1 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
3 * doc/install.texi (--enable-shared): List package names
6 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
8 * doc/install.texi (ix86-*-solaris*): Removed, outdated.
9 (*-*-solaris*): Document problem in /bin/sh that affects
10 configuring libraries.
11 (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
12 (*-sun-solaris2.8): Document linker problem that explains why
13 libjava is disabled by default.
15 2001-06-09 Mark Mitchell <mark@codesourcery.com>
18 * toplev.c (rest_of_compilation): Remove dead code before
21 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
24 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
25 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
28 2001-06-12 Jim Wilson <wilson@redhat.com>
30 * loop.c (strength_reduce): Move bl->all_reduced set before
31 check_ext_dependant_givs call.
32 (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
34 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
36 * doc/extend.texi (Function Attributes): Document SH's sp_switch
39 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
41 * doc/invoke.texi: Use more logical markup. Use TeX quotes,
44 2001-06-12 Richard Henderson <rth@redhat.com>
46 * config/i386/i386.c (ix86_expand_prologue): Always use
47 gen_pro_epilogue_adjust_stack; update arguments.
48 (ix86_expand_epilogue): Likewise.
49 (ix86_emit_epilogue_esp_adjustment): Remove.
50 (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
51 * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
52 clobber of scratch memory instead of a modification of EBP as the
53 barrier. Update all peepholes to match.
55 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
57 * doc/gcc.texi: Change the font used for @def... commands to a
59 * doc/extend.texi: Use more logical markup. Use "built-in"
60 instead of "builtin". Use @deftypefn to mark up built-in
61 functions; specify their types in the @deftypefn and not in the
62 descriptive text. Use TeX quotes and dashes. Add more index
65 2001-06-12 lars brinkhoff <lars@nocrew.org>
67 * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
68 (DIR_SEPARATOR_2): Likewise.
70 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
72 * doc/install.texi (--exec-prefix, --bindir, --libdir,
73 --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
75 (--enable-cpp): Change to document --disable-cpp instead; update
76 to reflect current default.
77 (--without-fast-fixincludes): Remove documentation.
78 (Final install): Document installation directories in more
79 detail. Document use of make dvi.
81 Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz>
83 * recog.c (validate_replace_rtx_1): Fix previous patch.
85 Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz>
87 * recog.c (validate_replace_rtx_1): Do plus_constant call always.
89 Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz>
91 * simplify-rtx.c (simplify_subreg): Allow volatile memory
92 to be subregged in case we don't have move instruction.
94 Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
96 * loop.c: Include predict.h
97 (strength_reduce): Drop branch prediction note in case
98 number of iterations is known.
99 * predict.def (PRED_LOOP_ITERATIONS): new.
100 * Makefile.in (loop.o): Add dependancy on predict.h
102 2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
104 * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
106 * c-typeck.c (c_start_case): Likewise.
108 2001-06-12 Mark Mitchell <mark@codesourcery.com>
110 * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
111 in a structure at a variable address.
113 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
115 * doc/gcov.texi: Use more logical markup.
117 2001-06-11 Mark Mitchell <mark@codesourcery.com>
119 * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
120 REG_NOTE_KIND, not PUT_MODE and GET_MODE.
121 (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
124 2001-06-11 Stan Shebs <shebs@apple.com>
126 * darwin.h (ASM_FILE_END): Remove decl of language_string.
128 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
130 * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
131 as an early clobber to make sure it is not used by reload in
134 2001-06-11 Mark Mitchell <mark@codesourcery.com>
136 * doc/c-tree.texi: Update information about flag_honor_std.
137 * doc/install.texi: Note that binutils is required on HPUX 11.
138 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
141 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
142 variable-sized types.
144 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
146 * doc/md.texi: Use TeX dashes and quotes.
148 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
150 * doc/rtl.texi: Reference manual chapter about trees.
152 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
154 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
155 (WINT_TYPE): Override.
156 (WINT_TYPE_SIZE): Likewise.
157 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
159 * config/sparc/sol2.h (WINT_TYPE): Define.
160 (WINT_TYPE_SIZE): Likewise.
162 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
163 (WINT_TYPE): Override.
164 (WINT_TYPE_SIZE): Likewise.
165 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
166 (CPP_ARCH64_SPEC): Likewise.
168 2001-06-11 Richard Henderson <rth@redhat.com>
170 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
171 with alias attribute.
173 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
174 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
176 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
178 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
180 2001-06-11 Stan Shebs <shebs@apple.com>
182 * darwin.c (darwin_encode_section_info): Rewrite to simplify
183 and fix coding mistakes.
185 2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>
187 * config/m32r/m32r.md (movstrsi_internal): Do not expect a
188 return string from m32r_output_block_move.
189 * config/m32r/m32r-protos.h: Make m32r_output_block_move a
191 * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
193 (ROUND_ADVANCE): Remove signed/unsigned conflict.
194 * config/m32r/m32r.c: Declare prototypes for static functions.
195 (move_src_operand): Replace INT32_P with UINT32_P.
196 (function_arg_partial_nregs): Fixed signed/unsigned conflict
197 in initialisation of 'size'.
198 (m32r_sched_reord): Remove redundant declarations of 'code'.
199 (m32r_output_block_move): Change to a void function.
200 (m32r_encode_section_info): Cast return of
201 TREE_STRING_POINTER to avoid compile time warning.
203 2001-06-11 Richard Henderson <rth@redhat.com>
205 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
206 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
207 (struct machine_function): Add gp_save_rtx.
208 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
209 (alpha_gp_save_rtx): New.
210 * config/alpha/alpha-protos.h: Declare it.
211 * config/alpha/alpha.md (exception_receiver): Make an expander.
212 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
214 2001-06-11 Richard Henderson <rth@redhat.com>
216 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
218 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
220 * configure.in: Align --help messages.
221 Remove trailing full stops.
222 Consistently use lower case.
223 Fix DWARF 2 spelling.
224 * configure: Rebuilt.
226 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
228 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
229 variants for .cpp/.cp/.c++ files.
230 Move definition of __LANGUAGE_C_PLUS_PLUS ...
231 (CPLUSPLUS_CPP_SPEC): ... here.
233 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
235 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
237 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
239 * c-decl.c (store_parm_decls): When comparing types in an
240 old-style function declaration with those from a previous
241 prototype, compare the unqualified versions of parameter types.
244 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
246 * doc/objc.texi: Use more logical markup. Use TeX dashes.
248 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
250 * doc/c-tree.texi: Use more logical markup.
252 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
254 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
256 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
258 * loop.c (scan_loop): Do not combine asm statements.
260 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
262 * simplify-rtx.c (simplify_subreg): Fix offset calculation
263 for complex values within a CONCAT.
265 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
267 * doc/install.texi: Update details of what components are included
268 in the GCC distribution. Update default directory for g++
269 includes. Update documentation relating to old libio. Adjust
270 documentation on DejaGnu environment variables. Remove
271 documentation of --enable-cpplib.
273 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
275 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
278 2001-06-10 Richard Henderson <rth@redhat.com>
280 * ifcvt.c (life_data_ok): New.
281 (merge_if_block): Use it to determine whether to update
283 (if_convert): Set it.
285 2001-06-10 Richard Henderson <rth@redhat.com>
287 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
289 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
291 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
292 (SH Options): Document -mieee.
293 * doc/install.texi (Final install): Remove obsolete information
294 about installing cross compilers.
295 * doc/gcc.1: Rebuilt.
297 2001-06-10 Richard Henderson <rth@redhat.com>
299 * config/alpha/alpha.c (override_options): Set align_loops,
300 align_jumps, and align_functions.
301 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
302 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
304 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
306 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
307 are one and two words in size.
309 2001-06-10 Richard Henderson <rth@redhat.com>
311 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
312 (Code Generation Options): Document -fnon-call-exceptions.
314 2001-06-10 Mark Kettenis <kettenis@gnu.org>
316 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
318 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
320 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
322 2001-06-10 Mark Mitchell <mark@codesourcery.com>
323 Gabriel Dos Reis <gdr@codesourcery.com>
325 * Makefile.in (c-parse.o): Depend on diagnostic.h
326 (dwarf2out.o): Likewise.
328 * dwarf2out.c: #include diagnostic.h
330 * toplev.h (warningcount, errorcount, sorrycount): Remove
333 * toplev.c (warningcount, errorcount, sorrycount): Remove
336 * diagnostic.h (struct output_buffer): Reorder fields.
337 (diagnostic_kind_count): New macro.
338 (errorcount, warningcount, sorrycount): Define as macros.
339 (diagnostic_report_warnings_p): New macro.
340 (output_state): Add diagnostic_count field.
342 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
343 Remove tentative declaration.
344 (count_error): Use diagnostic_report_warnings_p.
346 * c-parse.in: #include diagnostic.h
348 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
350 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
351 prefer a memory for operand 1.
352 ("*addsi3"): Fix constraints, the '!' was too strong.
353 ("*addsi3_split"): Accept soft register and split accordingly.
355 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
357 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
358 Move definition in the RTX_CODE section.
360 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
362 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
363 address as relative to the argument pointer.
365 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
367 * predict.def (PRED_OPCODE): Place before call and error_return.
369 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
371 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
372 * predict.c (estimate_probability): Calculate dominance
373 information; improve detection of NORETURN heuristics;
374 add call/error_return heuiristics; tweak comparison heuristics
377 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
379 * doc/invoke.texi (C Dialect Options): Document -aux-info.
380 (Debugging Options): Document -print-multi-directory and
382 * doc/gcc.1: Rebuilt.
384 * toplev.c (independent_decode_option): Require `=' between
385 `-aux-info' and filename in the same argument.
386 * gcc.c: Don't pass -aux-info=filename twice.
388 2001-06-09 Mark Mitchell <mark@codesourcery.com>
390 * expr.c (expand_expr, case ARRAY_REF): Do not replace
391 an array element with the known initializing value if it has
394 * toplev.c (rest_of_compilation): Remove dead code before
397 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
399 * cppinit.c (print_help): Document -fpreprocessed.
400 * invoke.texi: Similarly.
402 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
404 * predict.def: New file.
405 * predict.h: New file.
406 * predict.c: Include predict.h.
407 (predictor_info): New structure and array.
408 (predict_edge, predict_insn): Rewrite; make global.
409 (predict_edge_def, predict_insn_def): New global functions.
410 (dump_prediction, combine_predictions_for_insns): New
412 (estimate_probability): Change calls to predict_edge
413 to predict_edge_def and calls to predict_insn to predict_insn_def;
414 combine probabilities.
415 (expected_value_to_br_prob): Behave as predictor.
416 * rtl.h (REG_BR_PRED): Update coment.
417 (invert_br_probabilities): New.
418 * jump.c: Include predict.h
419 (duplicate_loop_exit_test): Drop branch prediction notes.
420 (invert_jump): Use invert_br_probabilities.
421 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
422 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
423 * combine.c (distribute_notes): Handle BR_PRED.
425 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
427 * predict.c (predict_insn, predict_edge): New static functions.
428 (estimate_probability): Revamp to use new functions;
429 fix loop header heruistics; add loop exist heruistics
431 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
433 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
435 2001-06-09 Peter Jakubek <pjak@snafu.de>
437 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
439 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
441 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
442 for integer operations that don't update C bit.
444 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
446 * gthr-posix.h (__gthread_objc_init_thread_system): If
447 pthread_key_create fails, it's not clear what the return value is.
448 This obvious fix makes sure it always returns -1 if a problem
451 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
453 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
454 more index entries. Use more logical markup where appropriate.
455 Use TeX quotes and dashes.
457 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
459 * unwind-pe.h: Conditionally qualify references to abort with
462 2001-06-09 Julian Foad <julian_foad@hotmail.com>
464 * doc/invoke.texi: Remove superfluous text.
466 2001-06-08 Richard Henderson <rth@redhat.com>
468 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
469 (LIB_SPEC): Mirror config/linux.h version.
471 2001-06-08 Richard Henderson <rth@redhat.com>
473 * except.c (get_exception_pointer, get_exception_filter): Take a
474 struct function. Update all callers.
475 * except.h (get_exception_pointer): Update declaration.
476 * expr.c (expand_expr): Update get_exception_pointer call.
477 * integrate.c (expand_inline_function): Remap the exception pointer
478 from callee to caller.
480 2001-06-08 Mark Mitchell <mark@codesourcery.com>
482 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
483 accurately reflect its cv-qualification.
484 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
485 cv-qualifiers on function types.
487 2001-06-08 Mark Mitchell <mark@codesourcery.com>
489 * basic-block.h: Improve comments.
490 * except.c (expand_eh_region_end_allowed): Remove redundant call
491 to do_pending_stack_adjust.
492 * flow.c (life_analysis): Fix typo in comment.
493 (calculate_global_regs_live): Add documentation.
494 (mark_set_1): Likewise.
495 (debug_regset): Likewise.
496 * doc/rtl.texi (cond_exec): Document it.
498 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
500 * i386.h (CONST_COSTS): set cost of constants representable in
501 immediate fields to 0.
503 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
505 * function.c (diddle_return_value): Kill code to determine
506 return value before expand_function_end.
507 (expand_function_end): Delay call to clobber_return_register
508 after fucntion return value is computed.
510 Re-install temporary reverted patch:
511 * toplev.c (rest_of_compilation): Call split_all_insns
512 before reg-stack and shorten-branches. Do shorten-branches
514 * final.c (shorten_branches): Remove insn splitting code.
516 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
518 * doc/gcc.texi, doc/invoke.texi: Add index of command line
519 options. Use @opindex to index them rather than other indexing
520 commands. Use @var{...} instead of <...>. Avoid spaces in names
521 inside @var. Don't use @kindex to index escape sequences in
524 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
526 * stmt.c (current_nesting_level): New fn.
527 * tree.h: Declare it.
528 * c-semantics.c (genrtl_compound_stmt): Use it.
530 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
532 2001-06-08 Jakub Jelinek <jakub@redhat.com>
534 * jump.c (mark_modified_reg): Allow jump threading if condition
535 codes are represented by a hard register.
537 2001-06-08 Jakub Jelinek <jakub@redhat.com>
539 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
540 for complex floats passed to unprototyped functions.
542 2001-06-08 Mark Mitchell <mark@codesourcery.com>
544 * except.c (expand_eh_region_end_allowed): Call
545 do_pending_stack_adjust as necessary.
547 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
549 * function.c (clobber_return_register): Clobber the pseudo return
552 * sibcall.c (skip_unreturned_value): New function.
553 (call_ends_block_p): Use it.
555 * recog.c (split_insn): Break out from ...
556 (split_all_insns): ... here; do not use basic block information
559 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
561 * simplify-rtx.c (simplify_subreg): Fix verification of
564 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
566 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
567 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
568 Move definition of _LANGUAGE_C_PLUS_PLUS ...
569 (CPLUSPLUS_CPP_SPEC): ... here.
570 Fixes PRs c++/3047, target/441.
572 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
574 * doc/install.texi2html (MAKEINFO): Keep value if set already.
576 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
578 * doc/gcc.texi: Add trailing slash to URL.
580 2001-06-07 Stan Shebs <shebs@apple.com>
582 * config/darwin.h (ENCODE_SECTION_INFO): Define.
583 (REDO_SECTION_INFO_P): Ditto.
584 (STRIP_NAME_ENCODING): Ditto.
585 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
586 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
587 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
588 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
589 * config/darwin.c: No longer include c-tree.h.
590 (machopic_classify_ident): Rewrite to use symbol encoding.
591 (lookup_name_darwin): Remove.
592 (machopic_non_lazy_ptr_name): Handle encoded symbols.
593 (machopic_stub_name): Use STRIP_NAME_ENCODING.
594 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
595 (machopic_finish): Ditto, remove test of decl.
596 (update_non_lazy_ptrs): New function.
597 (darwin_encode_section_info): New function.
598 * config/darwin-protos.h: Declare it.
599 * config/rs6000/rs6000.c (machopic_output_stub): Use
602 2001-06-07 Mark Mitchell <mark@codesourcery.com>
604 * tree.h (DECL_SOURCE_FILE): Improve documentation.
605 (DECL_SOURCE_LINE): Likewise.
607 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
609 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
612 2001-06-07 Phil Edwards <pme@sources.redhat.com>
614 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
615 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
617 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
619 * doc/contrib.texi: Add copyright notice.
621 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
623 * doc/md.texi: Use four digit years in copyright notice.
625 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
627 * config.gcc: For $target_alias of athlon-*, set
628 target_cpu_default2=5.
630 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
632 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
633 end of last block if last real insn is a JUMP_INSN.
635 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
639 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
641 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
642 pthread_t to objc_thread_t.
643 (__gthread_objc_thread_id): Likewise.
645 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
647 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
648 (ASM_OLDAS_SPEC): Likewise.
650 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
651 (CPP_SUBTARGET_SPEC): Use it.
652 (ASM_OLDAS_SPEC): Define.
654 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
656 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
658 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
661 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
663 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
664 Document use of N_(...), and show it in examples. Note that
665 documentation should be added to invoke.texi. Avoid an overfull
668 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
670 * toplev.c (rest_of_compilation): Revert previous patch.
671 * final.c (shorten_branches): Likewise.
673 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
675 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
678 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
680 * doc/install-old.texi: Remove more obsolete documentation.
682 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
684 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
686 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
688 * toplev.c (rest_of_compilation): Call split_all_insns
689 before reg-stack and shorten-branches. Do shorten-branches
691 * final.c (shorten_branches): Remove insn splitting code.
693 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
695 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
696 * configure: Rebuilt.
698 2001-06-07 Andreas Jaeger <aj@suse.de>
700 * emit-rtl.c (operand_subword): Remove unused variable.
702 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
704 * i386.md (floatdi?f): Avoid usinf of SSE instructions
705 if TARGET_64BIT is false.
706 (floatdi?f_i386_only): New insn.
707 (floatdi?f_i386): Disable for !TARGET_64BIT.
709 * (min?f, max?f splitters): Handle case where
710 operands are cross-matched.
712 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
713 (MMX_REGISTER_NAMES): Kill.
714 (PRINT_OPERAND): Fix comment.
715 (PRINT_REG): Likewise.
716 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
717 (print_operand): Update comment; kill 'm'.
719 * i386.c (x86_branch_hints): New global variable
720 (print_operand): Support outputting of branch prediction hints.
721 * i386.md (conditional jump patterns): Add branch prediction hints
723 * i386.h (x86_branch_hints): Declare
724 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
725 (PRINT_OPERAND_FUNCT_VALID_P): New.
726 * final.c (final_forward_branch_p): New function.
728 2001-06-06 Richard Henderson <rth@redhat.com>
730 * flow.c (mark_used_reg): Clean up looping over multiple hard
731 registers. Do conditional life bits across multiple hard regs.
733 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
735 * reload1.c (reload): Revert Schmidt's change so all USEs are not
736 deleted during reload.
738 2001-06-05 Mark Mitchell <mark@codesourcery.com>
740 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
741 functions here, instead of ...
742 * c-decl.c (c_expand_body): ... here.
744 2001-06-05 David O'Brien <obrien@FreeBSD.org>
746 * config.gcc, config/sparc/bsd.h: Do not directly include
747 sparc/sparc.h. Instead do it via tm_file.
749 2001-06-05 Richard Henderson <rth@redhat.com>
751 * dwarf2.h (DW_EH_PE_aligned): New.
752 * dwarf2asm.c (eh_data_format_name): Name it.
753 (dw2_asm_output_encoded_addr_rtx): Align for it.
754 * dwarf2out.c (output_call_frame_info): Handle it for personality
755 routine and LSDA pointers.
757 * unwind-pe.h (DW_EH_PE_aligned): New.
758 (base_of_encoded_value): Handle it.
759 (read_encoded_value_with_base): Likewise.
760 * unwind-dw2-fde.c (base_from_object): Likewise.
761 (get_cie_encoding): Likewise.
763 * config/alpha/elf.h: Remove ecoff commentary.
764 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
766 2001-06-05 David O'Brien <obrien@FreeBSD.org>
768 * config.gcc, config/i386/bsd386.h: Do not directly include
769 i386/386bsd.h. Instead do it via tm_file.
771 2001-06-05 David O'Brien <obrien@FreeBSD.org>
773 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
776 2001-06-05 Pascal Obry <obry@act-europe.fr>
778 * configure.in: Quote $enable_win32_registry in case the value has
782 2001-06-05 Mark Mitchell <mark@codesourcery.com>
784 * print-rtl.c (xspaces): Remove.
785 (print_rtx): Use printf field-width, rather than xpsaces, to
787 * toplev.c (main): Disable sibling-call optimization if we are
790 2001-06-05 Bernd Schmidt <bernds@redhat.com>
792 * reload1.c (reload): Delete all USEs generated during reload.
794 2001-06-05 scott snyder <snyder@fnal.gov>
796 * gccbug.in: Fix typo.
798 2001-06-05 Andreas Jaeger <aj@suse.de>
800 * builtins.def: Fix definition of __builtin_cosf, it uses float as
801 parameter and return value.
803 2001-06-04 Anthony Green <green@redhat.com>
805 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
806 machine. This is now done in sparc.h.
808 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
810 Correct CVS resurrection of invoke.texi.
811 * doc/invoke.texi: Document new tree dump flags.
813 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
815 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
816 for casting an aggregate to its own type. Fixes PR c/2735.
818 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
820 * doc/texinfo.tex: Update to version 2001-05-24.08.
822 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
824 * c-common.h (flag_dump_translation_unit): Remove.
825 (enum tree_dump_index): Define.
826 (TDF_ADDRESS, TDF_SLIM): New #defines.
827 (dump_node_to_file): Remove.
828 (dump_node): Make extern. Add flags.
829 (dump_flag, dump_enabled_p, dump_begin, dump_end,
830 dump_switch_p): Prototype.
831 * c-common.c (flag_dump_translation_unit): Remove.
832 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
833 logic. Use dump_switch_p.
834 * c-dump.h (struct dump_info): Add node and user fields.
835 (dump_pointer): Declare.
836 * c-dump.c (dump_node): Make extern. Add flags.
837 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
838 (dump_new_line, dump_maybe_newline): Use them.
839 (dump_pointer): New function.
840 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
841 chain or function's body. Dump address, if TDF_ADDRESS set.
843 (dump_node_to_file): Remove.
844 (struct dump_file_info): New struct.
845 (dump_files): New array.
846 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
847 * c-lang.c (finish_file): Adjust dumping.
848 * toplev.h (dump_base_name): Make extern.
849 * invoke.texi: Document new flags.
851 2001-06-04 Mark Mitchell <mark@codesourcery.com>
853 * c-tree.h (lang_decl): Add pending_sizes fields.
854 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
856 (c_expand_body): Expand them.
857 (lang_mark_tree): Mark lang_decl:pending_sizes.
858 * function.c (expand_pending_sizes): New function, broken out
860 (expand_function_start): ... here.
861 * tree.h (expand_pending_sizes): Declare it.
863 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
865 * doc/install.texi: Update FreeBSD information. Generalize
866 and update information for alpha-based platforms using ELF.
868 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
870 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
871 (store_parm_decls): Likewise.
872 * c-typeck.c (convert_arguments): Likewise.
874 2001-06-04 Richard Henderson <rth@redhat.com>
876 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
877 optimization if current_function_calls_setjmp.
879 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
881 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
884 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
886 * simplify-rtx.c (simplify_subreg): Fix combining of
889 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
891 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
892 (no_labels_between_p): Short circuit case beg==end.
894 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
896 * rtlanal.c (operand_preference): Fix preference for objects.
898 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
900 * gcse.c (handle_avail_expr): Be prepared to handle single_set
903 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
905 * combine.c (if_then_else_cond): Use simplify_subreg instead
907 * integreate.c (sub_constants): Likewise.
909 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
911 * emit-rtl.c (constant_subword): Deprecate; remove most of code
912 and use simplify_gen_subreg.
914 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
916 * sibcall.c (skip_copy_to_return_value): recognize the situation
917 when the called function's return value is copied into an
918 intermediate pseudo, and then into the calling functions return
921 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
923 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
924 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
925 in case register wasn't OK previously, accept it now; allow
926 subregs of frame pointer if reload completed and frame pointer
929 * combine.c (sombine_simplify_rtx): Fix comment;
930 use subreg_lowpart_offset instead of subreg_lowpart_p
931 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
932 * rtl.h (subreg_lowpart_parts_p): Kill.
933 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
934 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
935 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
936 (gen_lowpart_common): Likewise.
937 (subreg_lowpart_p): Likewise.
938 (subreg_lowpart_parts_p): Kill.
939 (subreg_lowpart_offset, subreg_highpart_offset): New function.
941 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
942 to simplify SUBREG and REG.
943 (gen_highpart): Use simplify_gen_subreg for all simplifications.
945 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
948 * rtlanal.c (replace_regs): Use simplify_gen_subreg
950 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
952 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
953 (ARRAY_RANGE_REF): Added description.
955 * tree.def (ARRAY_RANGE_REF): New code.
956 * alias.c (handled_component_p, can_address_p): Handle it.
957 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
958 * explow.c (set_mem_attributes): Likewise.
959 * expr.c (expand_assignment, get_inner_reference): Likewise.
960 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
961 * fold-const.c (operand_equal_p): Likewise.
962 * tree.c (staticp, stabilize_reference): Likewise.
963 * varasm.c (decode_addr_const): Likewise.
965 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
967 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
968 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
970 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
972 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
973 mark_constant_pool_use before output_addr_const.
974 (struct pool_node): New field wend.
975 (add_constant): Note a sequence of constants that are referenced
977 (pool_window_label, pool_window_last): New variables.
978 (dump_table): Emit a unspec_volatile representing the end of a
979 sequence of constants.
980 (mark_constant_pool_use): New function.
981 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
982 (consttable_2): Add the second operand which flags whether
983 this consttable entry was used or not.
984 (consttable_4, consttable_8, consttable_sf, consttable_df):
986 (consttable_window_end): New insn.
988 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
990 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
991 Reformat according to coding standards.
994 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
995 (shl_and_kind): Cast wide constant.
996 (gen_far_branch): Define as static, as in declaration.
997 (barrier_align): Compute cache-line length as unsigned. Add
998 parentheses in initial credit computation.
999 (rounded_frame_size): Add parentheses.
1000 (permanent_obstack): Remove declaration. Include ggc.h for
1001 declaration of ggc_add_root_rtx().
1002 (get_free_reg): Removed declaration of unused variable reg.
1003 (legitimize_pic_address): Mark mode argument as unused.
1005 2001-06-03 Igor Shevlyakov <igor@windriver.com>
1007 * config/sh/sh.c (output_branch): Support for insn with lenght
1008 attr 12 & 16 which represents cond branches outside +-4096 range.
1010 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1012 * config/sh/lib1funcs.asm (ic_invalidate): Align the
1013 cache-mirroring sequence. Add nops.
1015 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
1017 * doc/install-old.texi: Remove more old installation
1019 * doc/install.texi: Add relevant parts here.
1021 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1023 * doc/install.texi2html: New script.
1025 2001-06-03 David Edelsohn <edelsohn@gnu.org>
1027 * doc/install.texi: Update AIX information again.
1029 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1031 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
1032 installation documentation.
1033 * doc/install.texi: Move it to here.
1035 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1037 * doc/install.texi: Clean up Texinfo markup.
1039 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1041 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
1042 to just after title page.
1044 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1046 * doc/install-old.texi: Remove documentation of some configuration
1048 * doc/install.texi: Add relevant parts of this documentation here.
1050 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1052 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
1053 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
1055 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1057 * i386.md (all uses of ext_register_operand): Make sure they are
1058 VOIDmode; replace all uses outside zero_extend.
1059 (and?i splitters): Use ext_register_operands.
1060 (test?i peep2): Remove ignored constraints.
1061 * i386.c (ext_register_operand): Check that operand is
1062 eighter pseudo or hard or 'Q' register.
1064 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1066 * tree.h (struct record_layout_info_s): New field unpadded_align.
1067 (set_lang_adjust_rli): New declaration.
1068 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
1069 it would have if not packed, do not downgrade DECL_ALIGN.
1070 (lang_adjust_rli, set_lang_adjust_rli): New.
1071 (start_record_layout): Initialize new field unpadded_align.
1072 (debug_rli): Display it.
1073 (place_union_field, place_field): Set it.
1074 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
1076 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
1077 mean that; use proper names instead.
1078 Print DECL_NO_STATIC_CHAIN.
1080 * except.c (expand_builtin_frob_return_addr): Add missing call
1081 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
1082 (expand_builtin_eh_return): Likewise.
1083 (expand_eh_return): Clean up ptr_mode != Pmode cases.
1085 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
1087 * doc/invoke.texi: Remove references to papers about sequence points
1088 to readings.html, refer to that page.
1090 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1092 * README: Update references to installation instructions.
1094 2001-06-01 Laurent Guerby <guerby@acm.org>
1095 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1097 * doc/install.texi: Define srcdir when sources come from CVS.
1098 Significantly improve markup. Wrap overly long lines
1100 2001-06-01 DJ Delorie <dj@redhat.com>
1102 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
1103 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
1104 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
1105 gcov.1: Move to doc subdirectory.
1106 * install.texi: Move to doc/install-old.texi.
1107 * gcc.texi: Move to doc, refer to install-old.texi.
1108 * Makefile.in: Reflect move of docs to doc/.
1109 * f/Make-lang.in: Ditto.
1110 * java/Make-lang.in: Ditto.
1111 * doc/.cvsignore: New.
1113 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1115 * invoke.texi: use two spaces between command options, eliminate
1116 some 'overfull hboxes'
1118 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
1120 * Makefile.in (s-mlib): Make backtick-commands always succeed.
1121 (DRIVER_DEFINES): Ditto.
1123 2001-05-31 Richard Henderson <rth@redhat.com>
1125 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
1126 also link against libgcc.a.
1128 2001-05-31 Geoff Keating <geoffk@cygnus.com>
1130 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
1131 * config/mips/mips.c (mips_output_ascii): New function.
1132 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
1134 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
1136 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1138 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
1139 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
1141 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
1143 * install.texi (Configuration): Add html links for --with-gnu-as &
1144 --with-gnu-ld and refer to them from hppa & SCO triplets.
1145 (Specific): Link back to with-gnu-ld for all ELF platfoms.
1146 (Specific): Reword AVR binutils recommendation.
1148 2001-05-30 Zack Weinberg <zackw@stanford.edu>
1150 * ggc-page.c (size_lookup): Increase minimum allocation size
1152 (ggc_print_statistics): Report size of each bin in bytes, not
1153 as its order; there is no longer a direct relationship.
1155 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1157 * extend.texi: Fix formating of examples, eliminate some
1159 * gcc.texi: Eliminate some 'overfull hboxes'.
1160 * invoke.texi: Use two spaces between command options, eliminate
1161 some 'overfull hboxes'.
1163 2001-05-30 Richard Henderson <rth@redhat.com>
1165 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
1167 2001-05-30 Tom Tromey <tromey@redhat.com>
1169 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
1170 use it in the new association.
1172 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
1173 John David Anglin <dave@hiauly1.hia.nrc.ca>
1175 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
1176 to target type to allow ISO C++ compiler to accept it.
1177 * gthr-dce.h (__gthread_active_ptr): Likewise.
1178 * gthr-solaris.h (__gthread_active_ptr): Likewise.
1180 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1182 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
1183 so that we do accept comments in preprocessed input.
1185 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1187 * cpphash.c (alloc_node): Cast allocated pointer.
1189 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
1191 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
1193 2001-05-29 Stan Shebs <shebs@apple.com>
1195 * gcc.texi: Add links for information about Objective-C.
1197 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
1199 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
1200 /bin/sed fails on [^\"]).
1201 (configargs.h): Likewise.
1203 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1205 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
1207 2001-05-28 Stan Shebs <shebs@apple.com>
1209 * objc/objc.gperf: Remove, no longer used.
1211 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
1213 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1214 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1215 Remove trailing whitespace.
1217 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1219 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1220 became http://freeware.sgi.com/.
1222 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
1224 * local-alloc.c (update_equiv_regs): Don't eliminate constant
1227 2001-05-27 Stan Shebs <shebs@apple.com>
1229 * objc/objc-act.c: Add/fix various comments.
1230 (init_selector): Remove, no longer used.
1231 (build_msg_pool_reference): Ditto.
1232 (objc_debug): Ditto.
1234 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1236 * c-decl.c (init_decl_processing):
1237 Don't call start_identifier_warnings.
1238 * flags.h (warn_id_clash, id_clash_len): Remove.
1239 * stringpool.c: Don't include flags.h.
1240 (scan_for_clashes, do_identifier_warnings,
1241 start_identifier_warnings): Remove.
1242 * toplev.c (warn_id_clash, id_clash_len): Remove.
1243 (display_help): Don't document -Wid-clash.
1244 (decode_W_option): Print warning on -Wid-clash.
1245 * tree.h (start_identifier_warnings): Remove.
1246 * invoke.texi: Remove documentation of -Wid-clash.
1248 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1250 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
1252 2001-05-27 Bruce Korb <bkorb@gnu.org>
1254 * fixinc/check.tpl(HACK) add and use a Scheme variable
1255 (has no test text): error out if no "test_text" is defined
1256 * fixinc/fixincl.tpl: likewise
1257 (FIXIDX): make it an enumeration so we minimize diffs
1258 * fixinc/inclhack.def: re-alphabetize and add sort instructions
1259 * fixinc/fixincl.x: regenerate
1260 * fixinc/tests/base/stdio.h: test output got moved due to
1262 * README-fixinc: rewrite (mostly)
1264 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1266 * cpplib.c (run_directive): Set pfile->directive.
1268 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1270 * c-tree.texi: Reformat the manual as a single chapter now
1271 included by gcc.texi.
1272 * gcc.texi: Include c-tree.texi. Merge all indexes.
1273 * Makefile.in (dvi): Add generation for the cppinternals
1274 documentation. Added dependencies on fdl.texi and c-tree.texi
1275 where appropriate. Use TEXI2DVI instead of custom tex calls.
1276 (info): Added dependencies on fdl.texi and c-tree.texi where
1277 appropriate. Remove the target c-tree.info.
1279 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
1281 * combine.c (try_combine): Fix typo in comment.
1282 * expr.c (expand_expr): Likewise.
1283 * config/i370/i370.md (untyped_call): Likewise.
1285 2001-05-26 Bruce Korb <bkorb@gnu.org>
1287 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1288 when fixincl is operating in test mode
1289 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
1290 (AAB_ultrix_limits): remove redundant text
1291 (AAB_ultrix_memory): ditto
1292 (AAB_ultrix_string): ditto
1293 (djgpp_wchar_h): fix the test text
1294 (irix_stdio_va_list): add test text
1295 (irix_limits_const): add a testing output file (limits.h is overwritten)
1296 (strict_ansi_not_ctd): put limits.h second in list for same reason
1297 (solaris27_mutex_init): test text needed selection text, too
1299 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1300 when fixincl is operating in test mode
1302 2001-05-26 Philip Blundell <philb@gnu.org>
1304 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1305 * config/i960/i960-protos.h: Likewise.
1306 * config/i370/i370-protos.h: Likewise.
1307 * config/h8300/h8300-protos.h: Likewise,
1308 * config/sh/sh-protos.h: Likewise.
1309 * config/v850/v850-protos.h: Likewise.
1311 2001-05-26 Philip Blundell <philb@gnu.org>
1313 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1315 2001-05-25 Zack Weinberg <zackw@stanford.edu>
1317 * toplev.c (debug_args, f_options, W_options): Mark
1318 descriptions for translation.
1319 (display_help): Translate descriptions on output.
1321 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
1322 objc/lang-options.h: Mark descriptions for translation.
1324 * aclocal.m4: Quote final argument of patsubst. Use
1325 3-argument form of AC_DEFINE. Restore quotes to [] while
1327 * configure.in: Remove unnecessary changequote calls.
1328 * configure, config.in: Regenerate.
1330 2001-05-25 Sam TH <sam@uchicago.edu>
1332 * basic-block.h: Fix header include guards.
1333 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
1334 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
1335 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
1336 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
1337 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
1338 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
1339 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
1340 varray.h version.h: Likewise.
1341 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
1342 config/arm/arm.h config/c4x/c4x-protos.h
1343 config/h8300/h8300-protos.h config/h8300/h8300.h
1344 config/i370/i370-protos.h config/i370/i370.h
1345 config/i960/i960-protos.h config/mcore/mcore.h
1346 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
1347 config/v850/v850-protos.h config/v850/v850.h: Likewise.
1348 * fixinc/fixlib.h fixinc/server.h: Likewise.
1350 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
1352 * config/arc/initfini.c (.init): Fix typo.
1354 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
1356 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
1358 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1360 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
1362 2001-05-25 Richard Henderson <rth@redhat.com>
1364 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
1366 2001-05-25 Richard Henderson <rth@redhat.com>
1368 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
1369 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
1370 (sparc*-*-solaris2): Likewise.
1371 * config/t-linux: Remove shared libgcc macros.
1372 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
1373 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
1375 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
1377 * config.gcc (*-*-freebsd*): Report bad configuration.
1379 2001-05-25 David Edelsohn <edelsohn@gnu.org>
1381 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
1383 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
1385 (ASM_OUTPUT_LABELREF): Delete.
1387 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1389 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
1390 strict_ansi_only): Don't run if stdc_0_in_system_headers.
1391 * fixinc/fixincl.x: Regenerate.
1392 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
1393 (FIX_TEST_TABLE): Declare it.
1394 * fixinc/fixlib.h: Include config.h.
1396 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1398 * fixinc/inclhack.def (alpha___assert): Change char * args to
1399 const char * on Tru64 UNIX to avoid excessive warnings from
1401 * fixinc/fixincl.x: Regenerate.
1403 2001-05-25 Geoff Keating <geoffk@redhat.com>
1405 * dbxout.c (dbxout_symbol): Invert previous patch, which was
1406 outputting a tag only for variable-size records.
1408 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
1410 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
1411 instead of rtx_equal_p for early clobber test.
1413 2001-05-26 Mark Mitchell <mark@codesourcery.com>
1415 * builtins.def: Encode additional information, such as names and
1417 * builtin-types.def: New file.
1418 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
1419 (built_in_decls): Likewise. Don't explicitly initialize global
1421 (expand_builtin_mathfn): Handle float and long double variants of
1423 (expand_builtin): Likewise.
1424 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
1425 (expand_tree_builtin): Handle long, long long, float, and long
1426 double variants of math functions.
1427 * c-common.h (c_tree_index): Remove some unused nodes.
1428 (void_ftype): Remove.
1429 (void_type_ptr): Likewise.
1430 (int_ftype_int): Likewise.
1431 (ptr_ftype_sizetype): Likewise.
1432 * c-decl.c (init_decl_processing): Remove creation of DWARF
1434 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
1435 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
1436 * Makefile.in (c-common.o): Depend on builtin-types.def.
1438 2001-05-25 Dale Johannesen <dalej@apple.com>
1440 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
1442 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
1444 * c-parse.in (notype_initdcl): Remove redundant line.
1446 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1448 * aclocal.m4: Fixed typo.
1449 (gcc_AC_HEADER_STDBOOL): Define.
1450 (gcc_AC_C__BOOL): Define.
1451 * configure.in: Use them.
1452 (AC_CHECK_HEADERS): Remove stdbool.h
1453 * configure, config.in: Regenerate.
1455 2001-05-25 Richard Henderson <rth@redhat.com>
1457 * function.c (expand_function_start): Don't abort on PARALLEL
1458 returns from hard_function_value.
1460 2001-05-25 Richard Henderson <rth@redhat.com>
1462 * config/i386/i386.md: Revert previous change. Do not apply
1463 the peephole if the components do not die after the sequence.
1465 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
1467 * c-parse.in (array_declarator): New. Handle C99 constructs.
1468 Don't restrict [*] declarators to C only.
1469 (after_type_declarator, parm_declarator_starttypename,
1470 parm_declarator_nostarttypename, notype_declarator,
1471 direct_absdcl1): Use it.
1472 * c-decl.c (build_array_declarator, set_array_declarator_type):
1473 New functions. Warn that [*] isn't properly implemented; pedwarn
1474 for [*] outside C99 mode if pedantic rather than giving a hard
1476 (grokdeclarator): Handle static and type qualifiers in parameter
1478 * c-tree.h (build_array_declarator, set_array_declarator_type):
1480 * extend.texi (Attribute Syntax): Document attributes in parameter
1483 2001-05-25 Mark Mitchell <mark@codesourcery.com>
1485 * config/i386/i386.md: Make sure cmpstr peepholes do not
1486 affect liveness information.
1488 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1490 * c-typeck.c (digest_init): Issue error messages about
1491 invalid constants, not warnings.
1493 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1495 * invoke.texi (-fno-builtin): Document that this is always on
1498 2001-05-24 Philip Blundell <philb@gnu.org>
1500 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
1503 2001-05-24 Philip Blundell <philb@gnu.org>
1505 * config/arm/arm.c (output_return_instruction): Correctly handle
1506 interworking and interrupt functions.
1508 2001-05-24 Philip Blundell <philb@gnu.org>
1510 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
1511 -m{no-}sched-prolog. Fix typos and improve formatting.
1513 2001-05-24 Philip Blundell <philb@gnu.org>
1515 * invoke.texi (ARM Options): Improve wording slightly. Add
1516 documentation for more options, including those for Thumb mode.
1517 Don't mention options that don't exist or are unimplemented.
1518 (Thumb Options): Delete; merged into above section.
1520 2001-05-24 Geoff Keating <geoffk@redhat.com>
1522 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
1523 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
1525 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1527 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
1528 fix hard register simplification.
1530 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1532 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
1533 of just copying CPP_CPU_SPEC.
1535 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1537 * i386.c (incdec_operand): Accept only 1 and -1.
1539 2001-05-23 Kelley Cook <kelley.cook@home.com>
1541 * Makefile.in: Move many of the *_H definitions eariler in the
1542 file, so that rules in t-* files that use them for
1543 dependencies will work in a parallel build.
1544 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
1546 2001-05-23 Richard Henderson <rth@redhat.com>
1548 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
1550 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1552 * cpp.texi: Update for handling of charconsts.
1553 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
1554 diagnostics. Skip to the end if the UCS is too short.
1555 (cpp_interpret_charconst): Long charconsts issue a warning
1558 2001-05-23 Richard Henderson <rth@redhat.com>
1560 * doc/install.texi (alpha-linux): Require binutils 2.11.
1562 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1564 * c-lex.c (read_escape, read_ucs): Delete.
1565 (lex_string): Use cpp_parse_escape.
1566 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
1567 if not C++ or not C99. Warn if traditional.
1568 (parse_escape): Rename cpp_parse_escape. Make the bitmask
1569 unsigned. Warn for out-of-range escape sequences here.
1570 Update to use maybe_read_ucs.
1571 (cpp_interpret_charconst): Don't warn here.
1572 * cpplib.h (cpp_parse_escape): New exported function.
1574 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
1576 * extend.texi (Attribute Syntax): Clarify application of
1577 attributes to parameters declared as functions or arrays.
1579 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
1581 * dbxout.c (dbxout_type_methods): Do still group methods by name.
1583 2001-05-23 Zack Weinberg <zackw@stanford.edu>
1585 * diagnostic.c (vnotice): Kill.
1586 (fnotice): Call vfprintf directly.
1587 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
1588 verbatim, set_diagnostic_context): Rename string argument to
1589 indicate that it is run through gettext.
1590 (vbuild_message_string, build_message_string, output_do_printf):
1591 Rename string argument to indicate that it is NOT run through
1593 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
1594 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
1595 Run msgid argument through gettext.
1596 (default_print_error_function): Run constant strings through
1597 gettext when nothing else will.
1598 (fatal_error, internal_error, error_recursion): Use fnotice.
1599 Present complete sentences to gettext.
1601 2001-05-23 Mark Mitchell <mark@codesourcery.com>
1603 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
1605 2001-05-23 Richard Henderson <rth@redhat.com>
1607 * function.c (expand_function_start): Always use a pseudo
1608 for the function result value.
1610 2001-05-22 Richard Henderson <rth@redhat.com>
1612 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
1613 section pointer alignment.
1615 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
1617 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
1618 of __USER_LABEL_PREFIX__.
1620 2001-05-22 Richard Henderson <rth@redhat.com>
1622 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
1623 (__deregister_frame_info_bases): New.
1624 * unwind-dw2-fde.h: Declare it.
1625 * libgcc-std.ver: Export it.
1626 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
1627 called __register_frame_info_bases.
1629 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1631 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
1632 instead of #elif (which is OK for this case but not in general).
1634 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
1636 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
1637 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
1638 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
1639 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
1640 "r2" to the assembly file. Only issue allocs with non-zero parameters.
1642 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1643 David O'Brien <obrien@freebsd.org>
1645 * config/freebsd.h (LIB_SPEC): Key the exact setting to
1646 configure-time options and target version of FreeBSD. Set-up
1647 to match architectural change in threading support. Correctly
1648 report when -pthread option is not supported by configure-time
1650 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
1651 and extend to encode target version number in run-time setting
1652 of __FreeBSD__ macro to match the system compiler.
1653 (CPP_PREDEFINES): Likewise.
1654 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
1656 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
1657 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
1659 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1660 David O'Brien <obrien@freebsd.org>
1662 * config.gcc (the unlabeled system switch statement): Add
1663 generic configuration section to handle *-*-freebsd*. Also,
1664 to match the system compiler, default to threading support (it
1665 may be disabled with the standard --disable-threads
1666 configuration-time switch).
1667 (i[34567]86-*-freebsd* in machine-specific section): Use it.
1668 (alpha*-*-freebsd* in machine-specific section): Likewise.
1670 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
1671 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
1672 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
1673 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
1674 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
1676 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1677 David O'Brien <obrien@freebsd.org>
1679 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1680 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
1681 -pthread instead setting macro.
1683 2001-05-22 Richard Henderson <rth@redhat.com>
1685 * crtstuff.c (__register_frame_info_bases): Declare.
1686 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
1687 (__do_global_dtors_aux, __do_global_dtors): Streamline.
1689 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1690 (CRT_GET_RFIB_DATA): New.
1691 * config/i386/sysv4.h: Likewise.
1692 * config/i386/sco5.h: Likewise.
1693 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1695 2001-05-22 Richard Henderson <rth@redhat.com>
1697 * rtl.c (read_string): Break out from ...
1698 (read_rtx): ... here.
1700 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1702 * doc/install.texi (Specific): Remove a bogus and duplicate part
1703 copied from the end of the document.
1705 2001-05-22 Bernd Schmidt <bernds@redhat.com>
1707 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
1709 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1711 * install.texi: Remove obsolete information on SunOS as well as
1712 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
1713 (Installing GNU CC on the Sun): Remove section.
1715 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
1717 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
1718 keep errno unchanged on success.
1720 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
1722 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
1723 once for hexadecimal floats, whether or not they contain a decimal
1724 point. Don't let the setting of pedantic otherwise affect the
1725 parsing of hexadecimal floats.
1727 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1729 * README.ACORN: Remove obsolete file.
1731 2001-05-22 Jan Hubicka <jh@suse.cz>
1733 * combine.c (gen_binary): Use swap_commutative_operands_p
1734 (simplify_comparison): Likewise.
1735 * expmed.c (emit_store_flag): Likewise.
1736 * expr.c (compare_from_rtx): Likewise.
1737 (do_compare_rtx_and_jump): Likewise.
1738 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
1739 if not emitting a branch and operands want swapping.
1741 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
1743 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
1744 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
1745 (maybe_get_identifier): Update.
1746 * tree.h (make_identifier): Delete.
1748 2001-05-21 Richard Henderson <rth@redhat.com>
1750 * combine.c (subst): Do not substitute for a register as
1751 a destination subreg/strict_low_part/zero_extract.
1753 * combine.c (simplify_comparison): Update op1 after constant
1755 * recog.c (const_int_operand): Accept only constants valid
1757 * genrecog.c: Update comments wrt const_int_operand.
1759 * emit-rtl.c (init_emit_once): Zero unused memory in a
1762 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1764 * tree.h (type_num_arguments): Declare it.
1765 * tree.c (type_num_arguments): New function.
1767 2001-05-21 Richard Henderson <rth@redhat.com>
1769 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
1772 2001-05-21 Geoff Keating <geoffk@redhat.com>
1774 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
1776 (minsf3): Use rs6000_emit_minmax.
1777 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
1779 (movsfcc): Use rs6000_emit_cmove.
1780 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
1781 Don't generate emit_fselsfsf4.
1782 (fseldfsf4): Likewise.
1783 (maxdf3): Use rs6000_emit_minmax.
1785 (mindf3): Use rs6000_emit_minmax.
1786 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
1788 (movdfcc): Use rs6000_emit_cmove.
1789 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
1790 Don't generate emit_fselsfsf4.
1791 (fselsfdf4): Likewise.
1792 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
1793 (min_max_operator): New predicate.
1794 (rs6000_emit_cmove): New function.
1795 (rs6000_emit_minmax): New function.
1796 * config/rs6000/rs6000-protos.h: Prototype new functions.
1797 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
1798 and min_max_operator.
1800 * config/rs6000/rs6000.c (output_cbranch): Handle all
1801 conditional types in the switch statement.
1803 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1805 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
1806 non-register variables.
1807 * extend.texi: Document that asm-specifications do not make sense
1808 for non-static local variables.
1810 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
1812 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
1813 (dbxout_type_fields): Lose minimal_debug support.
1814 (dbxout_type_methods, dbxout_type): Likewise.
1816 2001-05-17 Andrew Haley <aph@redhat.com>
1818 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1820 2001-05-21 Richard Henderson <rth@redhat.com>
1822 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
1825 2001-05-20 Richard Henderson <rth@redhat.com>
1827 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1828 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
1829 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
1830 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1831 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
1833 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1834 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
1835 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
1836 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1837 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1838 DEBUG_PUBNAMES_SECTION): Rename as above.
1839 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1841 2001-05-20 Richard Henderson <rth@redhat.com>
1843 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
1844 operands unless the operation is commutative.
1846 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1848 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
1851 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
1853 * extend.texi: Clarify documentation of extensions included in ISO
1854 C99. Prefer C99 terminology and syntax to old GNU terminology and
1855 syntax. Add more index entries. Document mixed declarations and
1856 code as an extension in C89 mode. Warn about future changes to
1857 semantics of inline functions. Fixes PR other/930.
1859 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1861 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
1862 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1863 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
1864 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1866 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
1868 2001-05-20 Richard Henderson <rth@redhat.com>
1870 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
1871 to be output before a branch.
1873 2001-05-20 Richard Henderson <rth@redhat.com>
1875 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
1877 2001-05-20 Richard Henderson <rth@redhat.com>
1879 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
1880 (ASM_DOUBLE): Remove.
1881 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
1882 * config/i386/sun386.h: Likewise.
1884 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
1885 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
1887 * config/i386/cygwin.h (INT_ASM_OP): Remove.
1888 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
1889 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
1890 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
1892 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
1893 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
1894 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
1895 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
1896 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
1897 * config/i386/win32.h: Likewise.
1899 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1901 * invoke.texi: Add more options to summary list.
1903 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1905 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
1906 used. Fixes PR c/2291.
1907 * gcc.1: Regenerate.
1909 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1911 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
1912 the -fpic and -fPIC options, clear flag_pic.
1914 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1916 * hashtable.c (calc_hash): Fix HASHSTEP definition.
1917 * stringpool.c (make_identifier): No statistics here anymore.
1918 * objc-act.c (steup_string_decl): Remove redundant check.
1920 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1922 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
1923 cpplib.o, cpphash.o, fix-header): Update.
1924 (hashtable.o): New target.
1925 * c-common.h: Include cpplib.h. Define C_RID_CODE and
1926 struct c_common_identifier here.
1927 * c-lang.c (c_init_options): Update. Call set_identifier_size.
1928 * c-lex.c (c_lex): Update.
1929 * c-pragma.h: Update.
1930 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
1932 (C_RID_CODE): Delete.
1933 * cpphash.c: Rewrite to use hashtable.c.
1934 * cpphash.h: Update include guards.
1935 (struct cpp_reader): Remove hashtab.
1936 hash_ob and buffer_ob are no longer pointers. Add hash_table
1938 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
1939 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
1940 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
1941 * cppinit.c (cpp_create_reader): Update.
1942 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
1943 (cpp_interpret_charconst): Eliminate warning.
1944 * cpplib.c (do_pragma, do_endif, push_conditional,
1945 cpp_push_buffer, cpp_pop_buffer): Update.
1946 (_cpp_init_stacks): Rename cpp_init_directives.
1947 (_cpp_cleanup_stacks): Remove.
1948 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
1949 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
1950 cpp_forall_identifiers, cpp_create_reader): Update.
1951 (C_RID_CODE, cpp_make_node): New.
1952 (c_common_identifier): New identifier node for C front ends.
1953 * cppmain.c (main): Update.
1954 * fix-header.c (read_scan_file): Update.
1955 * flags.h (id_clash_len): Make unsigned.
1956 * ggc.h (ggc_mark_nonnull_tree): New.
1959 * stringpool.c: Update comments and copyright. Update to use
1961 * toplev.c (approx_sqrt): Move to hashtable.c.
1962 (id_clash_len): Make unsigned.
1963 * toplev.h (ident_hash): New.
1964 * tree.c (gcc_obstack_init): Move to hashtable.c.
1965 * tree.h: Include hashtable.h.
1966 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
1967 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
1968 (struct tree_identifier): Update.
1969 (make_identifier): New.
1971 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
1972 (C_RID_CODE): Remove.
1973 * lex.c (cxx_init_options): Call set_identifier_size. Update.
1974 (init_parse): Don't do it here.
1976 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
1978 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
1980 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
1982 (expand_eh_return): Convert between word_mode and Pmode.
1983 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
1985 (execute_stack_op): Likewise.
1986 (execute_cfa_program): Likewise.
1987 (uw_frame_state_for): Likewise.
1988 (uw_update_context_1): Likewise.
1989 * unwind.inc (_Unwind_Reason_Code): Likewise.
1990 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
1991 (EH_RETURN_STACKADJ_RTX): Likewise.
1992 * config/mips/mips.c (compute_frame_size): Make space for saving
1993 EH return registers.
1994 (mips_expand_epilogue): Handle EH stack adjustments.
1995 * config/mips/mips.md (eh_return): New pattern.
1996 (eh_set_lr_si): Likewise.
1997 (eh_set_lr_di): Likewise.
1998 Add splitter to perform EH return after reload.
2000 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2002 * jump.c (mark_jump_label): Tidy previous change.
2004 2001-05-19 Bruce Korb <bkorb@gnu.org>
2006 * fixinc/genfixes: no need for two warnings
2007 * fixinc/Makefile.in: open stdin for those building with a closed one.
2009 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2011 * jump.c (jump_optimize_1): Tidy.
2012 (mark_jump_label): When changing the label in a LABEL_REF, change
2013 update any REG_EQUAL notes as well.
2015 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
2017 * c-parse.in (parm_declarator): Split into
2018 parm_declarator_starttypename and parm_declarator_nostarttypename.
2019 (parm_declarator_starttypename, parm_declarator_nostarttypename):
2020 New. Allow parenthesised sub-declarators which don't begin with a
2021 TYPENAME. Fixes PR c/166.
2023 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2025 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
2027 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2029 * toplev.c (main): If the target does not allow profiling without
2030 a frame pointer, issue an error message.
2031 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2034 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2036 * recog.c (general_operand): Modify last change to allow it if reload
2039 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2041 * recog.c (general_operand): Prohibit nonzero subreg bytes on
2042 subregs containing mem.
2044 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
2046 * regrename.c (regrename_optimize): frame pointer register can
2049 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
2051 * README.DWARF: Move into dwarfout.c.
2053 2001-05-18 Dale Johannesen <dalej@apple.com>
2055 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
2056 specific misuse of r0 as a reload address.
2058 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2060 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
2063 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2065 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
2066 (add_to_sequence): Make that decision type.
2067 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
2068 (write_switch, write_cond, debug_decision_2): Likewise.
2070 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
2072 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
2075 2001-05-18 Stan Shebs <shebs@apple.com>
2077 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
2078 * configure: Regenerate.
2080 2001-05-18 Per Bothner <per@bothner.com>
2082 Changes needed for java/jvspec.c
2083 * gcc.h (n_infiles, outfiles): Add declarations.
2084 * gcc.c (n_infiles, outfiles): Mske no longer static.
2086 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
2088 * config/pa/som.h (EXCEPTION_SECTION): Define.
2090 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
2092 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
2094 Add have_location_lists, a variable to determine whether we need a
2095 .debug_loc section or not.
2096 (enum dw_val_class): Add dw_val_class_loc_list.
2097 (dw_val_struct): Add val_loc_list.
2098 (dw_loc_list_struct): New structure, represents location lists.
2099 (new_loc_list): New function, return a new location list, given
2100 the range and location expression.
2101 (add_loc_descr_to_loc_list): New function, add a location
2102 expression to a location list, given the expression and range.
2103 (output_loc_list): New function, output a location list.
2104 (gen_internal_sym): Modified to take symbol prefix, so we can
2105 reuse it for location list symbols.
2106 (add_AT_loc_list): New function, add a location list to a DIE at
2107 the named attribute.
2108 (AT_loc_list): New function, return the location list reference
2109 for a given attribute, if it's a location list.
2110 (print_die): Handle dw_val_class_loc_list.
2111 (size_of_die): Ditto.
2112 (value_format): Ditto.
2113 (output_die): Ditto.
2114 (output_location_lists): New function, output all of the location
2115 lists for a DIE and it's children.
2116 (dwarf2out_finish): Call output_location_lists if we have location
2120 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2122 * gcse.c (try_replace_reg): First try global replace, later try to
2123 simplify the expression.
2125 * gcse.c (find_used_regs): Change calling convention; work via
2127 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
2129 2001-05-18 Bernd Schmidt <bernds@redhat.com>
2132 2001-02-09 Nick Clifton <nickc@redhat.com>
2133 * config/arm/arm.md: Change output constraint on post inc
2134 load/store multiple patterns to be a read/write constraint.
2136 2001-05-18 Mark Mitchell <mark@codesourcery.com>
2138 * basic-block.h (struct basic_block_def): Add documentation about
2139 what a basic block is, and what the various fields are used for.
2140 * flow.c (calculate_globlal_regs_live): Add documentation about
2141 how the algorithm works, and how we know that it will terminate.
2142 Check that the the inductive assumption that guarantees
2143 termination actually holds.
2144 (mark_used_regs): Treat conditionally set registers as used.
2145 (debug_regset): Add comment.
2146 * rtl.texi (cond_exec): Add documentation.
2148 * function.c (expand_function_start): Avoid creating BLKmode
2151 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2153 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
2154 DIE, even if it has no children.
2155 (dwarf2out_finish): Always output the line-number table, even if
2158 2001-05-18 David Edelsohn <edelsohn@gnu.org>
2160 * rs6000.md (movsfcc,movdfcc): Remove NE case.
2162 2001-05-17 Bruce Korb <bkorb@gnu.org>
2164 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
2165 * fixinc/genfixes: emit a warning if AutoGen is out of date
2167 2001-05-17 Brendan Conoboy <blc@cygnus.com>
2168 Bruce Korb <bkorb@gnu.org>
2170 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
2171 found in fixinc directory. Facilitates binary distributions.
2173 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
2175 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
2178 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
2180 * dwarf2out.c (modified_type_die): Equate qualified type to die.
2182 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2184 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
2185 (simplify_subreg): Handle complex types represented as CONCAT.
2187 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
2188 * rtl.h (swap_commutative_operands_p): Declare.
2189 * rtlanal.c (swap_commutative_operands_p): New.
2190 (operand_preference): New static function.
2192 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
2193 (gen_binary): Likewise.
2194 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
2195 * simplify-rtx.c (simplify_gen_binary,
2196 simplify_gen_relational): Likewise.
2198 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2200 * cse.c (fold_rtx): Use simplify_subreg.
2202 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
2203 (simplify_gen_subreg): New.
2204 (simplify_rtx): Use simplify_subreg.
2205 * rtl.h (simplify_gen_subreg): Declare.
2207 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2209 * doc/install.texi: Update Solaris information.
2211 * except.h (protect_cleanup_actions): Remove it.
2212 (lang_protect_cleanup_actions): Declare it.
2213 * except.c (protect_cleanup_actions): Remove it.
2214 (lang_protect_cleanup_actions): New variable.
2215 (init_eh): Don't make protect_cleanup_actions a GC root.
2216 (expand_eh_region_and_cleanup): Call
2217 lang_protect_cleanup_actions.
2218 (output_function_exception_table): Remove unused `align'
2220 * varasm.c (assemble_external): Abort if we have not yet
2221 opened the assembly output file.
2223 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
2225 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2226 for eh_personality_libfunc.
2228 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2230 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
2231 when calling simplify_subreg. This is needed to allow replacing
2232 of expression of one mode by expression of different mode.
2234 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2236 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
2238 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2240 * expr.c (protect_from_queue): Protect against subsequent calls to
2242 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2245 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
2247 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
2249 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2251 * gccbug.in (CATEGORIES): Add "bootstrap".
2253 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2255 * simplify-rtx.c (simplify_subreg): Break out from ...
2256 * combine.c (combine_splify_rtx) ... here and ...
2257 * recog.c (validate_replace_rtx_1): ... here;
2258 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
2259 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
2260 (subreg_lowpart_p): ... here.
2262 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2264 * stmt.c (expand_asm_operands): For inout operands, make sure
2265 the substitution of '=' for '+' makes it into the rtl.
2267 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
2268 (reload_as_needed): Call update_eliminable_offsets a bit later.
2270 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2272 * gcc.texi (gccbug): Refer to the web pages for detailed information
2275 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2277 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
2279 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
2280 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
2281 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
2282 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
2283 * cross-make: Don't set LIBGCC1.
2284 * mklibgcc.in: Delete all code for building from libgcc1.c.
2285 Always honor LIB1ASMFUNCS if set.
2287 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
2288 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
2289 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
2290 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
2291 config/i386/uwin.asm, config/m68hc11/larith.asm,
2292 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
2293 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
2294 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
2295 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
2296 Delete or update references to libgcc1 in commentary.
2298 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
2299 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
2300 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
2301 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
2302 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
2303 config/arm/t-semi, config/arm/t-strongarm-coff,
2304 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
2305 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
2306 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
2307 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
2308 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
2309 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
2310 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
2311 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
2312 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2313 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
2314 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
2315 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
2316 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
2317 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
2318 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
2319 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
2320 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
2321 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
2322 config/mips/t-ultrix, config/mn10200/t-mn10200,
2323 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
2324 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
2325 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
2326 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
2327 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
2328 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
2329 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
2330 config/sparc/t-sparclite, config/sparc/t-splet,
2331 config/sparc/t-sunos41, config/sparc/t-vxsparc,
2332 config/sparc/t-vxsparc64, config/v850/t-v850:
2333 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
2335 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
2336 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
2337 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
2338 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
2339 nongcc_SI_type, nongcc_word_type, or perform_*
2340 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
2342 * config/i386/386bsd.h, config/i386/beos-elf.h,
2343 config/i386/linux-aout.h, config/i386/linux-oldld.h,
2344 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
2345 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
2346 Don't include i386/perform.h.
2348 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
2349 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
2350 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
2351 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
2352 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
2353 config/vax/t-openbsd, config/vax/t-vax: Delete.
2355 * config.gcc: Remove references to deleted files.
2356 (arm-semi-aof): Use arm/t-semi for tmake_file.
2358 * gcc.texi, install.texi, invoke.texi, tm.texi:
2359 Delete or rewrite text which is no longer relevant now that
2360 libgcc1 no longer exists.
2362 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
2363 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
2365 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
2366 Bruce Korb <bkorb@gnu.org>
2368 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
2371 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2373 * i386.md: Add two peepholes to clean up code generated by
2376 2001-05-16 Richard Henderson <rth@redhat.com>
2378 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
2379 variants of non-absolute encodings.
2381 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2383 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
2384 __register_frame_info_table_bases): Export.
2386 2001-05-16 Richard Henderson <rth@redhat.com>
2388 * except.c (eh_data_format_name): Move to ...
2389 * dwarf2asm.c: ... here. Use designated initializers if available.
2390 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
2391 * dwarf2asm.h: Update declarations.
2392 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
2393 ASM_PREFERRED_EH_DATA_FORMAT.
2394 (output_call_frame_info): Likewise. Use 'L' augmentation for
2397 * unwind-dw2-fde.h (struct fde_vector): New.
2398 (struct old_object): Rename from struct object.
2399 (struct object): New.
2400 (__register_frame_info_bases): Declare.
2401 (__register_frame_info_table_bases): Declare.
2402 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
2403 * unwind-dw2-fde.c (objects): Remove.
2404 (unseen_objects, seen_objects): New.
2405 (__register_frame_info_bases): New.
2406 (__register_frame_info): Use it.
2407 (__register_frame_info_table_bases): New.
2408 (__register_frame_info_table): Use it.
2409 (__deregister_frame_info): Rewrite for changed object struct.
2410 (base_from_object, get_cie_encoding, get_fde_encoding): New.
2411 (fde_unencoded_compare): Rename from fde_compare; uninline.
2412 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
2413 (start_fde_sort): Adjust for new definition of fde_vector.
2414 (fde_insert): Likewise.
2415 (end_fde_sort): Likewise. Select comparison function based
2416 on properties of the object.
2417 (fde_split): Take object and fde_compare_t arguments.
2418 (frame_heapsort, fde_merge): Likewise.
2419 (classify_object_over_fdes): Rename from count_fdes. Handle
2420 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
2422 (add_fdes): Handle encoded pointers.
2423 (init_object): Rename from frame_init. Update for new struct object.
2424 (linear_search_fdes): Rename from search_fdes. Handle encoded
2426 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
2427 (binary_search_single_encoding_fdes): New.
2428 (binary_search_mixed_encoding_fdes): New.
2429 (search_object): New.
2430 (_Unwind_Find_FDE): Update for new struct object. Fill in
2432 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
2433 iterating over EH data.
2434 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
2435 fde_encoding, lsda_encoding.
2436 (read_uleb128, read_sleb128): Remove.
2437 (read_encoded_pointer): Remove. All callers use read_encoded_value.
2438 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
2439 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
2441 * unwind-pe.h: Add "struct" to _Unwind_Context references.
2443 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2445 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
2446 * cpphash.c (_cpp_lookup_with_hash): Similarly.
2447 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
2448 cpp_spell_token, cpp_output_token): Similarly.
2449 * cpplib.c (lex_macro_node, do_undef, do_pragma,
2450 do_pragma_poison, parse_assertion, do_assert): Similarly.
2451 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
2452 save_parameter, _cpp_create_definition, check_trad_stringification,
2453 cpp_macro_definition): Similarly.
2454 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
2455 * c-lex.c (cb_undef, c_lex): Similarly.
2456 * fix-header.c (recognized_function): Similarly.
2457 * cpplib.h (NODE_LEN, NODE_NAME): New.
2458 (cpp_hashnode): Rename length len.
2460 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
2462 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
2465 2001-05-16 Andreas Jaeger <aj@suse.de>
2467 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
2469 * toplev.c: Include dwarf2asm.h for prototype of
2470 dw2_output_indirect_constants.
2472 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2474 * stmt.c (expand_asm_operands): Be able to offload addressof
2475 expression to memory. (PR optimization/185)
2477 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
2479 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
2480 applying distributive law.
2482 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2484 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
2486 * gthr-dce.h (UNUSED): Attribute unused macro.
2487 (__gthread_key_dtor): Make arguments UNUSED.
2488 (__gthread_key_delete): Revise for compatibility with DRAFT4
2491 2001-05-16 David Edelsohn <edelsohn@gnu.org>
2493 * doc/install.texi: Update AIX information.
2494 * README.RS6000: Remove obsolete file.
2496 2001-05-16 Jakub Jelinek <jakub@redhat.com>
2497 Nathan Sidwell <nathan@codesourcery.com>
2499 * gcc.c (give_switch): Don't write before start of string.
2500 Always append suffix.
2502 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
2504 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
2507 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2509 * README.ALTOS: Remove obsolete file.
2511 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2513 * c-lex.h (save_and_forget_protocol_qualifiers,
2514 forget_protocol_qualifiers, remember_protocol_qualifiers):
2515 Remove deleted functions' prototypes.
2517 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2519 * c-parse.in (methodtype): New production.
2520 (methoddef, methodproto): Collapse separate '-' and '+'
2523 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2525 * c-common.h (RID_FIRST_PQ): New.
2526 * c-parse.in (objc_pq_context): New.
2527 (objc parser): Set objc_pq_context rather than calling
2528 remember_protocol_qualifiers and forget_protocol_qualifiers.
2529 Don't call save_and_forget_protocol_qualifiers.
2530 (yylexname): Handle objc protocol qualifiers here.
2531 * stringpool.c (struct str_header): Replace with sp_hashnode.
2532 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
2533 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
2534 Allocate an IDENTIFIER_NODE for each identifier.
2535 (FORALL_STRINGS, set_identifier): Delete.
2536 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
2537 (ggc_alloc_string): Use an obstack.
2538 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
2539 * tree.h: Update comments.
2540 (set_identifier): Delete.
2541 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
2542 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
2543 remember_protocol_qualifiers): Delete.
2545 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
2547 * flow.c (life_analysis): After life analysis is complete, do
2548 an optional scan over insns looking for REG_LABEL notes that
2549 reference a deleted label.
2550 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
2551 before peeking at LABEL_NUSES.
2553 2001-05-15 Richard Henderson <rth@redhat.com>
2555 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
2556 (_Unwind_GetTextRelBase): New.
2558 2001-05-15 Mark Mitchell <mark@codesourcery.com>
2560 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
2562 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
2564 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
2565 so that CHOOSE_SECTION gets used.
2567 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
2568 TARGET_RELOCATABLE like flag_pic for now.
2570 2001-05-15 David Edelsohn <edelsohn@gnu.org>
2572 * rs6000.md (movdi splitter): Sign extend more efficiently.
2573 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
2574 to "long long" valid on 32-bit and 64-bit hosts.
2575 (logical_operand): Cast trunc_int_for_mode return value.
2576 (rs6000_emit_move): Shift macro to encapsulate variable.
2577 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
2578 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
2579 plus_constant requires signed argument.
2581 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
2583 * gthr-posix.h: Make additional pthread-* functions weak.
2585 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
2587 * recog.c (apply_change_group): Avoid unneeded validating.
2589 2001-05-14 David Edelsohn <edelsohn@gnu.org>
2591 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
2592 (num_insns_constant): CONST_INT can be 64-bits.
2594 2001-05-14 Stan Shebs <shebs@apple.com>
2596 * config/darwin.h (LIB_SPEC): Just use -lSystem.
2597 (LIBGCC_SPEC): Don't define.
2599 2001-05-14 Richard Henderson <rth@redhat.com>
2601 * configure.in (gcc_cv_as_eh_frame): New test.
2602 * config.in, configure: Rebuild.
2603 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
2605 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2607 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
2608 extended precision divide.
2610 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2612 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
2613 for RETURNS as well.
2615 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2617 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
2618 (CPP_CPU??_SIZE_TYPE): New.
2619 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
2620 (CPP_CPU_SPEC): ... here; support choosing of CPU.
2621 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
2622 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
2624 * i386.c (override_options): Add sorry about not suported modes.
2626 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
2628 * config/pa/som.h (NM_FLAGS): Remove.
2629 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
2630 (ASM_OUTPUT_SECTION_NAME): Remove.
2631 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
2633 2001-05-14 Mark Mitchell <mark@codesourcery.com>
2635 * regrename.c (regrename_optimize): Do not rename registers to
2638 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
2640 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
2641 contain MEMs. Remove useless distinction about clobbering
2644 2001-05-13 Geoff Keating <geoffk@redhat.com>
2646 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
2647 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
2648 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
2649 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2650 (EXCEPTION_SECTION): Define.
2652 2001-05-13 Zack Weinberg <zackw@stanford.edu>
2654 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
2655 binary backward compat only.
2656 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
2657 in LIB2FUNCS. Pass it to mklibgcc.
2658 * mklibgcc.in: Handle LIB2FUNCS_ST.
2660 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
2662 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
2664 * tm.texi (THREAD_MODEL_SPEC): Document it.
2665 * gcc.c (main): Use it.
2666 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
2667 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
2669 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2671 * rtl.h (SYMBOL_REF_WEAK): New macro.
2672 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
2673 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
2674 * rtl.texi (SYMBOL_REF_WEAK): Document it.
2675 * gcc.texi: Remove wrong description.
2677 2001-05-13 Mark Mitchell <mark@codesourcery.com>
2679 * Makefile.in (STAMP): New macro.
2680 Replace all uses of `touch' with $(STAMP).
2681 * fixinc/Makefile.in: Likewise.
2683 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2685 * configure.in: ldopen is never in -lexc, so don't test for it.
2686 Add test for exc_resume in -lexc for Ada.
2687 * configure: Regenerated.
2689 2001-05-12 Richard Henderson <rth@redhat.com>
2691 * dwarf2asm.c (size_of_encoded_value): New function.
2692 * dwarf2asm.h: Declare it.
2693 * except.c (output_function_exception_table): Align the TType
2694 array only as wide as the encoding.
2696 2001-05-12 Zack Weinberg <zackw@stanford.edu>
2698 * extend.texi: Document #pragma GCC java_exceptions.
2700 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2702 * c-parse.in (bison parser, init_reswords): Remove uses of
2704 * c-tree.h (doing_objc_thang): Remove.
2706 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2708 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
2709 about files not ending in newlines.
2711 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2713 * dwarfout.c (dwarfout_init): Add cast.
2714 * sched-deps.c (sched_analyze_insn): Remove unused vars.
2715 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
2717 * method.c (build_mangled_C99_name): Remove unused prototype.
2719 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2721 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
2723 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2725 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
2726 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
2728 2001-05-11 Richard Henderson <rth@redhat.com>
2730 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2731 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
2732 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
2733 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
2734 (dw2_output_indirect_constants): Prototype.
2735 * dwarf2out.c (dwarf2out_begin_prologue): Generate
2736 current_function_func_begin_label if we'll need it for EH. Exit
2737 early for IA64_UNWIND_INFO.
2738 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
2739 (eh_data_format_name): Update for indirect references.
2740 (output_function_exception_table): Care for IA64_UNWIND_INFO.
2741 Handle ASM_PREFERRED_EH_DATA_FORMAT.
2742 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
2743 define HAVE_eh_return etc.
2744 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
2745 (final_end_function): Don't call output_function_exception_table.
2746 * toplev.c (compile_file): Call dw2_output_indirect_constants.
2747 (rest_of_compilation): Invoke output_function_exception_table
2748 for ia64 before assemble_end_function.
2749 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
2750 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
2752 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
2753 * unwind.h: Declare them.
2754 * libgcc-std.ver: Export them.
2755 * unwind-pe.h: New file.
2757 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2759 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
2761 (find_fde_for_dso): Extract DT_PLTGOT.
2762 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
2763 the segment and gp as well.
2764 * config/ia64/frame-ia64.c: Remove file.
2765 * config/ia64/frame-ia64.h: Remove file.
2766 * config/ia64/unwind-ia64.c: New file.
2767 * config/ia64/unwind-ia64.h: New file.
2768 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
2769 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
2770 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
2771 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2772 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2773 (IA64_UNWIND_INFO): Re-enable.
2774 (HANDLER_SECTION): Remove.
2775 (EH_RETURN_DATA_REGNO): New.
2776 * config/ia64/ia64.md (exception_receiver): Remove.
2777 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
2778 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
2780 2001-05-11 Richard Henderson <rth@redhat.com>
2782 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
2783 calls and jumps to be bundled together.
2784 (ia64_reorg): Emit a break after a noreturn call that ends
2786 * config/ia64/ia64.md (break_f): New.
2788 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2790 * c-lex.c (lex_charconst): Convert into a simple wrapper
2791 around cpp_interpret_charconst, to which most of the code
2793 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
2794 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
2795 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
2796 (lex): Use cpp_interpret_charconst.
2797 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
2798 hex_digit_value): New functions.
2799 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
2800 * cpplib.h (cpp_interpret_charconst): New prototype.
2801 * Makefile.in: Update.
2803 2001-05-12 Dean Wakerley <dean@wakerley.com>
2805 * doc/install.texi: New file. Converted to texinfo from the HTML
2806 documentation in wwwdocs/htdocs/install.
2808 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
2810 * gcse.c (insert_insn_end_bb): Do not search for assignments to
2811 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2813 * toplev.c (compile_file): Move comment for opening output
2814 file to just before the code that opens the output file.
2816 2001-05-11 Jakub Jelinek <jakub@redhat.com>
2818 * regmove.c (regmove_optimize): Suppress the optimization for
2819 unchanging destination register. Add comment above function.
2821 2001-05-11 Zack Weinberg <zackw@stanford.edu>
2823 * Makefile.in: Exterminate all references to assert.h.
2824 * cross-make: Likewise.
2826 * configure.in: Correct commentary.
2827 * configure: Regenerate.
2829 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
2832 * config/t-freebsd, config/t-linux, config/t-linux-aout,
2833 config/t-netbsd, config/t-rtems, config/x-linux,
2834 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
2835 No need to override INSTALL_ASSERT_H.
2837 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
2838 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
2839 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
2841 2001-05-11 Graham Stott <grahams@redhat.com>
2843 * combine.c (simplify_comparison): Fix typo.
2845 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2847 * loop.h (struct movables): Remove `num'.
2848 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
2849 Adjust call to strength_reduce.
2850 (num_unmoved_movables): New function.
2851 (move_movables): Don't set movables->num.
2852 (strength_reduce): Compute the number of instructions in the loop
2853 here, rather than in the caller.
2854 (check_dbra_loop): Always clear reversible_mem_store if there
2855 are any memory sets.
2856 (loop_regs_scan): Don't count instructions here.
2857 (count_insn_in_loop): New function.
2859 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2861 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
2863 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
2865 * c-common.c (finish_label_expr): New function, lifted from
2866 from cp/semantics.c.
2867 * c-common.h (finish_label_expr, lookup_label): New prototypes.
2868 * c-parse.in: Move 3 blocks of parser code into new functions.
2869 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
2870 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
2871 (lookup_label): Remove.
2873 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
2875 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
2876 FLOAT_BIT_ORDER_MISMATCH.
2878 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2880 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
2881 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
2883 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2885 * expr.c (emit_group_load): extract_bit_field requires a REG or
2888 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
2890 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
2891 a computed jump into an unconditional jump.
2892 In second hunk of code for collapsing computed and conditional jumps
2893 into unconditional jumps, reemit the jump in additional cases.
2895 * jump.c (jump_optimize_1): Do not wrap the new jump target
2896 inside a LABEL_REF; gen_jump will do that automatically.
2898 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
2900 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
2901 contents for a SYMBOL_REF in case of floating point constants.
2903 2001-05-10 DJ Delorie <dj@redhat.com>
2905 * c-common.c (combine_strings): Widen strings in a
2906 host-endian-independent way.
2908 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
2910 * c-parse.in: Remove many shift/reduce conflicts. Update
2912 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
2913 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
2914 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
2915 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
2916 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
2917 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
2918 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
2919 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
2920 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
2921 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
2922 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
2923 typespec_reserved_nonattr, typespec_reserved_attr,
2924 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
2925 structsp_nonattr, components_notype, component_notype_declarator,
2926 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
2927 firstparm, setspecs_fp): New
2928 (typed_declspecs, reserved_declspecs, typed_typespecs,
2929 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
2930 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
2931 declmods_no_prefix_attr, nonempty_type_quals, structsp,
2932 type_quals): Remove. Users updated.
2933 (initdecls, notype_initdecls, after_type_declarator,
2934 parm_declarator, notype_declarator, absdcl1, components, ivars):
2935 Don't allow attributes at the start of a declarator; include them
2936 in the production containing the declarator instead. Always
2937 require type specifiers before trying to redeclare a typedef name.
2938 (typename): Allow for attributes but warn that they are ignored.
2939 (parmlist, firstparm, setspecs_fp): Include attributes in
2940 parmlist; suck them off the parser stack in firstparm using
2943 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
2945 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
2946 to determine if a block has an unconditional jump at its end.
2948 * jump.c (jump_optimize_1): When converting a conditional jump
2949 to an unconditional jump, build the jump using gen_jump instead
2950 of just modify operands in-place.
2952 2001-05-09 Zack Weinberg <zackw@stanford.edu>
2954 * cppinit.c (cpp_post_options): Shut off macro expansion if
2956 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
2957 IN_I directives only if the # is in column 1 and the directive
2958 name begins in column 2.
2959 * cppmain.c (scan_buffer): Insert a space between # and an
2960 identifier, when that identifier is a directive name.
2962 * tradcpp.c (struct file_buf): Add a pointer to the next entry
2963 in the header search path.
2964 (enum node_type): Add T_INCLUDE_NEXT.
2965 (directive_table): Add entry for include_next.
2966 (do_include_next): New function.
2967 (process_include): New routine, broken out of do_include.
2968 (finclude): Insert 'nhd' argument, to be copied into
2969 next_header_dir of the new buffer.
2970 (main): Adjust to match.
2971 * gsyslimits.h, limity.h: Un-indent #include_next.
2973 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
2975 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
2976 inclusion as a chapter of the GCC manual.
2977 * gcc.texi: Include objc.texi.
2978 * fdl.texi: Use @unnumberedsec for the addendum.
2979 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
2981 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2983 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
2985 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
2987 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
2988 handling of two-address insns.
2990 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
2992 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
2993 ../binutils/nm-new instead of ../binutils/nm.
2995 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2997 * i386.md (movdi splitter): Fix the splitting condition
2998 (float_extenddftf splitter): Fix mode.
3000 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3002 * genrecog.c (write_switch): Avoid outputting of switch for
3003 types wider than int.
3005 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
3007 * reload1.c (copy_eh_notes): New function.
3008 (emit_input_reload_insns): Call it.
3009 (emit_output_reload_insns): Call it.
3011 2001-05-07 Zack Weinberg <zackw@stanford.edu>
3013 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
3015 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
3016 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
3018 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
3020 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
3022 * pa.md (interspace_jump): Revise comment.
3023 (builtin_longjmp): Block initial setup insns from delay slot of
3025 (builtin_setjmp_receiver): New expander to save and restore PIC
3028 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
3030 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
3032 * toplev.c (compile_file): Set up the output file before we call
3033 the various initializers for the compiler.
3035 * except.c (sjlj_mark_call_sites): Do not search for assignments to
3036 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3038 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
3039 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
3041 2001-05-06 Zack Weinberg <zackw@stanford.edu>
3043 * Makefile.in (tradcpp0): Correct typo in dependency list.
3045 2001-05-06 Geoff Keating <geoffk@redhat.com>
3047 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
3048 the link register if we're not going to use it.
3050 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
3051 (output_function_profiler): Likewise.
3053 2001-05-07 Alan Modra <amodra@one.net.au>
3055 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
3057 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
3059 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
3060 zero-extend it. Make abs_inc unsigned.
3062 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
3063 widest mode in narrowing and widening operations.
3065 * config/mips/mips.md: Sign extend CONST_INTs.
3067 2001-05-06 Andreas Jaeger <aj@suse.de>
3069 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
3070 (i386 Options): Document -momit-leaf-frame-pointer.
3072 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
3074 * c-typeck.c (internal_build_compound_expr): Check for
3075 array to pointer conversion just once.
3077 2001-05-05 Richard Henderson <rth@redhat.com>
3079 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
3081 2001-05-05 Richard Henderson <rth@redhat.com>
3083 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
3084 to the parent of the fixup region.
3086 2001-05-05 Jakub Jelinek <jakub@redhat.com>
3088 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
3090 * cpp.texi (__NO_INLINE): Document it.
3092 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
3094 * cppfiles.c (struct include_file): New member err_no.
3095 (find_or_create_entry): Set it.
3096 (open_file): Don't set fds to -2. Instead, use err_no to
3097 remember previous errors, if any.
3099 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3101 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
3102 between X and Y by using sequences of xgdx and xgdy.
3104 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3106 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
3107 of '!' for the 'D' alternative ('!' is too strong).
3108 ("*logicalsi3_silshl16"): Likewise.
3109 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
3110 ("movstrictsi"): Remove spurious '+'.
3111 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
3112 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
3113 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
3116 2001-05-04 David Edelsohn <edelsohn@gnu.org>
3118 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
3120 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
3122 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
3125 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3127 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
3130 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3132 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
3133 soft register, use ror instead of rol.
3135 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3137 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
3138 into account pre/post increment decrement for 68HC12.
3139 Fix other problems in replacement and fix call to reg_mentioned_p.
3141 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3143 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
3144 Put the soft registers in bss for 68HC12.
3145 (L_regs_d3_4): New for _.d3 and _.d4.
3146 (L_regs_d5_6): Likewise.
3147 (L_regs_d1_2): Likewise.
3148 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
3150 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3152 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
3153 to the pre-processor when -fshort-double is specified.
3154 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
3156 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3158 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
3159 (__mulsi3): Rewrite for 68HC12.
3160 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
3161 Mark 'x' constraint with earlyclobber to prevent a
3162 RELOAD_FOR_OTHER_ADDRESS to go in it.
3163 (mulhi3_m68hc12): New pattern.
3164 (mulhi3_m68hc11): Rename of mulhi3.
3165 (mulhi3): New expand for 68HC12 optimisation.
3166 (umulhisi3, mulhisi3): New patterns for 68HC12.
3168 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3170 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
3171 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
3172 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
3174 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3176 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
3177 constants cheap after reload.
3178 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
3180 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
3181 so that gcc prefers a shift by 16.
3182 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
3184 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
3186 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
3188 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3190 * alpha.h: NULL_PTR -> NULL.
3197 * i386.md: Likewise.
3200 * m68hc11.h: Likewise.
3201 * rs6000.h: Likewise.
3204 * sparc.h: Likewise.
3208 * final.c: Likewise.
3210 * recog.c: Likewise.
3212 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3214 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
3215 `bool' parameter to `int'.
3217 * hash.c (hash_lookup): Likewise.
3219 * hash.h (hash_lookup): Likewise.
3221 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3223 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3225 * i386.c (x86_initialize_trampoline): Fix mode of constant.
3227 2001-05-03 Geoff Keating <geoffk@redhat.com>
3229 * invoke.texi (i386 Options): Delete references to -malign-jumps,
3230 -malign-loops, -malign-functions.
3231 * i386.c (ix86_align_funcs): Delete.
3232 (ix86_align_loops): Delete.
3233 (ix86_align_jumps): Delete.
3234 (override_options): Mark -malign-* as obsolete. Emulate their
3235 behaviour with the -falign-* options. Default -falign-* from
3236 the processor table.
3237 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
3238 patch of Wed May 2 13:09:36 2001.
3239 (LOOP_ALIGN): Delete.
3240 (LOOP_ALIGN_MAX_SKIP): Delete.
3241 (LABEL_ALIGN_AFTER_BARRIER): Delete.
3242 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
3244 2001-05-04 Andreas Jaeger <aj@suse.de>
3246 * except.h: Add prototype declaration for
3247 expand_builtin_init_dwarf_reg_sizes.
3249 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
3251 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
3253 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3255 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
3257 ("bitcmpqi2"): New pattern for bit-extract and test.
3258 ("bitcmphi"): New pattern for bitb/bita instructions.
3260 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
3262 * gccbug.in: Use a temporary directory when the mktemp command is
3265 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3267 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
3269 (INITIALIZE_TRAMPOLINE): Call it.
3270 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
3271 (TRAMPOLINE_TEMPLATE): Remove.
3272 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
3273 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
3276 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3278 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
3279 and crtendS.o with PIC.
3281 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3283 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
3285 (___subdi3, ___adddi3): Use x instead of y as index register.
3286 (__init_bss_section, __map_data_section): Optimize for 68HC12.
3287 (__memset, __memcpy): Likewise.
3288 (regs): Put the soft registers in bss for 68HC12.
3289 (abort): Use trap to abort for 68hc12.
3290 (__mulhi3, __mulhi32): Use emul for 68hc12.
3291 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
3293 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3295 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
3296 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
3297 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
3298 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
3299 Set 68HC12 min offset to -65536.
3300 (print_operand): Put parenthesis arround the operand if it refers
3301 to a symbol having the same name as a register.
3302 (m68hc11_z_replacement): When z register is replaced by its
3303 equivalent soft register, force the insn to be re-recognized.
3304 (m68hc11_check_z_replacement): Fix the test when destination is
3305 the index register and z dies in the insn.
3306 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
3308 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3310 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
3311 costs according to processor variant.
3312 (m68hc11_shift_cost): New function to compute shift costs.
3313 (m68hc11_rtx_costs): Define costs according to processor variant.
3314 (m6811_cost): Costs for 68HC11.
3315 (m6812_cost): Costs for 68HC12.
3316 (COSTS_N_INSNS): Remove.
3318 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
3319 (DEFAULT_RTX_COSTS): Remove.
3320 (CONST_COSTS): Define costs according to OUTER_CODE.
3321 (processor_costs): New struct to define costs.
3322 (m68hc11_cost): Pointer to current costs.
3324 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3326 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
3327 and use m68hc11_notice_keep_cc when using leax/leay.
3328 (addhi3 split): Reject split if the insn is handled by
3330 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
3331 push must be handled in a special way if the source operand uses
3332 sp as index register.
3333 (m68hc11_notice_keep_cc): New function.
3334 (m68hc11_gen_movhi): Use it when an insn changes a register but
3336 (m68hc11_gen_movqi): Fix move for 68HC12.
3337 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
3339 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3341 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
3342 and don't pass operands[0] to emit_library_call_value.
3344 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3346 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
3347 (zero_extendsi split): Simplify and use (zero_extendhi).
3348 (*addhi3): Remove 'w' constraint since stack pointer is handled
3350 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
3351 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
3352 (*ashrhi3_const): Fix shift by 7.
3353 (*lshrsi3_const16): Fix template.
3354 (call, call_value): Fix constraint and predicate.
3356 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3358 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
3359 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
3360 (CC_REGNUM): Likewise.
3361 (*unnamed splits): Use above constants instead of hard coded numbers.
3362 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
3363 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
3364 (*return_16bit, *unnamed peepholes): Likewise.
3366 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3368 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
3369 rs6000/rs6000.h twice.
3371 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
3373 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
3374 (CPP_SPEC): Conditionally define MSDOS and GO32.
3375 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
3376 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
3378 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
3380 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3382 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
3384 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3386 * integrate.h (struct inline_remap): Add leaf_reg_map table.
3387 * integrate.c (expand_inline_function): Use xcalloc to allocate
3389 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
3392 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3394 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
3397 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3399 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
3400 linker if -mrelax is given.
3401 (TARGET_SWITCHES): Document -mrelax.
3403 Re-installed 2001-01-09's patch:
3404 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3405 if it's wider than long and the target's long is wider than the
3408 2001-05-02 David O'Brien <obrien@FreeBSD.org>
3410 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
3411 directly include rs6000/rs6000.h. Instead do it in tm.h.
3413 2001-05-02 Stan Shebs <shebs@apple.com>
3415 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
3416 NSConstantString for NeXT-style runtimes.
3417 (STRING_OBJECT_GLOBAL_NAME): New macro.
3418 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
3419 OCTI_STRING_CLASS_DECL.
3420 (constant_string_global_id): New macro.
3421 (string_class_decl): Ditto.
3422 (setup_string_decl): New function.
3423 (build_objc_string_object): Use it to build a NeXT runtime
3424 compatible string initializer.
3426 2001-05-02 Jakub Jelinek <jakub@redhat.com>
3428 * tradcpp.c (do_define): Make sure we don't walk past limit.
3430 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3432 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
3433 offsets if not REG_OK_STRICT.
3435 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
3436 (INT_REG_OK_FOR_INDEX_P): Likewise.
3437 (INT_REG_OK_FOR_BASE_P): Likewise.
3438 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
3439 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
3440 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
3441 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
3442 REG_OK_FOR_BASE_P. Take an additional parameter.
3443 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
3444 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
3445 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
3446 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
3447 rs6000_legitimate_address() and use it.
3448 * config/rs6000/rs6000.c: Update all callers.
3449 (rs6000_legitimate_address): New function.
3451 2001-05-02 David Edelsohn <edelsohn@gnu.org>
3453 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
3454 special_constant conditional blocks together.
3456 2001-05-02 Dale Johannesen <dalej@apple.com>
3458 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
3460 (STRICT_ARGUMENT_NAMING): Define.
3461 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
3462 function_arg_partial_nregs, setup_incoming_varargs): Remove
3463 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
3466 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3468 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
3470 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
3473 * expr.c (store_field): Do nothing except elaborate side-effects if
3476 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3478 * c-lex.c: NULL_PTR -> NULL.
3480 * emit-rtl.c: Likewise.
3482 * genpeep.c: Likewise.
3484 * mips-tdump.c: Likewise.
3485 * reload1.c: Likewise.
3486 * rtlanal.c: Likewise.
3488 * stor-layout.c: Likewise.
3489 * toplev.c: Likewise.
3491 2001-05-01 Per Bothner <per@bothner.com>
3493 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
3494 call do_pending_stack_adjust before emiting label.
3496 2001-05-01 Mark Mitchell <mark@codesourcery.com>
3498 * extend.texi: Fix typo.
3500 2001-05-01 Stan Shebs <shebs@apple.com>
3502 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
3503 of UOBJC_MODULES_decl.
3504 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
3505 (generate_descriptor_table): Ditto.
3506 (generate_protocols): Ditto.
3507 (generate_protocol_list): Ditto.
3508 (generate_classref_translation_entry): Ditto.
3510 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
3512 * invoke.texi (Optimize Options): Add documentation for `--param
3513 max-delay-slot-insn-search' and `--param
3514 max-delay-slot-live-search' and reorder --param section.
3515 * params.def: Modify initial comment.
3516 * params.h (param_info): Add `help' member.
3517 * toplev.c (lang_independent_params): Include `help' description.
3518 (display_help): Print --param parameters.
3520 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3522 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
3523 Remove references to deleted files.
3524 (*-*-openbsd): No need to override xmake_file.
3525 (*-*-sysv4): Treat like *-*-sysv.
3527 * configure.in: Probe for ldopen in various places, and set up
3528 collect2 to be linked with them if found.
3529 Don't dink with Windows registry stuff unless $host_os is a
3530 Win32 os name. Check to see if we need -ladvapi32.
3531 * configure: Regenerate.
3533 * Makefile: Get rid of CLIB and HOST_CLIB.
3534 Substitute in COLLECT2_LIBS and link collect2 against its contents.
3535 * build-make: Get rid of HOST_CLIB.
3537 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
3538 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3539 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3540 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
3541 config/rs6000/x-rs6000: Delete.
3543 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
3546 24 x-host fragments remain, 0 x-cpu, 3 top level.
3548 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3550 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
3551 * configure: Regenerate.
3553 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
3555 * Makefile.in (install-headers): Remove redundant dependency.
3557 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
3559 * c-tree.texi (USING_STMT): Document.
3561 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3563 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
3564 * c-common.c: Likewise.
3565 * c-decl.c: Likewise.
3566 * combine.c: Likewise.
3567 * rs6000.c: Likewise.
3568 * except.c: Likewise.
3569 * explow.c: Likewise.
3571 * fold-const.c: Likewise.
3572 * function.c: Likewise.
3575 * integrate.c: Likewise.
3577 * objc/objc-act.c: Likewise.
3578 * recog.c: Likewise.
3579 * reg-stack.c: Likewise.
3580 * reload.c: Likewise.
3581 * reload1.c: Likewise.
3582 * simplify-rtx.c: Likewise.
3584 * varasm.c: Likewise.
3586 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
3588 * diagnostic.def: New file.
3589 * diagnostic.h (diagnostic_t): New enum.
3590 * Makefile.in (diagnostic.o): Depend on diagnostic.def
3592 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3594 * tsystem.h: Test only POSIX for availability of string.h
3596 * config.gcc (all systems): If USG appeared in xm_defines,
3597 change it to POSIX. If both USG and POSIX appeared, just
3598 delete USG. Remove unnecessary quotes around xm_defines
3600 (m68k-crds-unos*): Don't #define unos - tested nowhere.
3601 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
3602 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
3603 powerpc-*-linux*): No need to set xm_defines - handled by
3604 global settings for *-*-linux*.
3606 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3608 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
3609 Always include gstab.h, not system stab.h. Don't provide
3610 default definitions of N_CATCH or N_OPT. Always use the
3611 gstab.h variant of STAB_CODE_TYPE.
3612 * final.c: Don't include stab.h/gstab.h at all, or provide
3613 defaults for N_SLINE and N_SOL.
3615 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
3616 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
3618 * sdbout.c: Always include gsyms.h instead of system syms.h.
3620 * configure.in: No need to check for stab.h.
3621 * configure, config.in: Regenerate.
3622 * Makefile.in (final.o): Don't depend on gstab.h.
3624 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3625 Richard Henderson <rth@redhat.com>
3627 * extend.texi: Improve documentation of volatile asms.
3629 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3631 * c-tree.texi: Fix thinko.
3632 * gcc.texi: Likewise.
3634 2001-04-30 Richard Henderson <rth@redhat.com>
3636 * c-common.c (c_promoting_integer_type_p): New function, from the
3637 corpse of old macro. Properly promote too-small enumerations and
3638 booleans. Adjust all callers.
3639 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
3640 (c_promoting_integer_type_p): Declare.
3641 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
3642 * c-typeck.c: Likewise.
3643 (default_conversion): Remove now redundant boolean check.
3645 2001-04-30 Jan Hubicka <jh@suse.cz>
3646 Richard Henderson <rth@redhat.com>
3648 * regmove.c (try_apply_stack_adjustment): Remove now redundant
3650 (combine_stack_adjustments_for_block): Don't combine stack
3651 allocation followed by deallocations. Handle grow-up stacks.
3653 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3655 * fdl.texi: New file.
3656 * c-tree.texi: Use the GFDL.
3657 * gcc.texi: Likewise.
3659 2001-04-30 Stan Shebs <shebs@apple.com>
3661 * invoke.texi: Add a section documenting Objective-C options.
3663 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
3665 * emit-rtl.c (try_split): Copy EH notes to sequence.
3667 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3669 * regmove.c (record_stack_memrefs): Catch all references to the
3672 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
3674 * Makefile.in (stmp-fixinc): quote shell assignment values
3676 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3678 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
3682 * prefix.c: Likewise.
3684 2001-04-28 Stan Shebs <shebs@apple.com>
3686 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
3687 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
3688 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
3689 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
3691 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
3692 (NEXT_OBJC_RUNTIME): Define.
3694 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
3696 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
3697 * simplify-rtx.c (simplify_gen_relational): Likewise.
3699 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
3701 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
3702 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
3704 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
3705 registers in SSE case; fix handling of the immediates.
3706 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
3707 operands to be in regsiters before reload.
3708 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
3709 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
3710 (abstf,absxf,negtf,negxf splitters): Compute
3711 properly the regnum for x86_64.
3712 (avsdf2_if_rex64): New.
3714 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
3716 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
3717 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
3718 into the constant pool.
3719 * jump.c (jump_optimize_1): Remove barrier successors after all
3720 the LABEL_NUSES counds have been computed.
3721 (delete_barrier_successors): When deleting a tablejump insn, also
3722 delete the jump table it uses.
3723 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
3726 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
3728 * pa.c (FRP): Remove erroneous white space in macro definition.
3730 2001-04-28 Andreas Jaeger <aj@suse.de>
3732 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
3734 * extend.texi: Likewise.
3735 * tm.texi: Likewise.
3737 2001-04-28 Andreas Jaeger <aj@suse.de>
3739 * md.texi: Use XX-bit instead of XXbit or XX bit where
3742 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
3744 * gcc.c (process_command): Allow -l lib in addition to -llib
3745 for POSIX compliance. This fixes PR c/2347.
3747 * invoke.texi: Update section on Link Options accordingly.
3749 2001-04-27 Zack Weinberg <zackw@stanford.edu>
3751 * function.c (purge_addressof_1): Remove the duplicate
3752 if (code == SET) block. Fold the two if (code == ADDRESSOF)
3755 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
3757 * except.c (expand_eh_region_start): Don't start a new block.
3758 (expand_eh_region_end): Don't end a block.
3759 * stmt.c (expand_end_bindings): Don't end EH blocks.
3760 (expand_decl_cleanup): Starting an EH region won't change the block.
3761 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
3762 (is_eh_region): Lose.
3765 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
3767 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
3769 * collect2.c (main): Add `-L' case to remove duplicate entries.
3770 (is_in_args): New function to check for a duplicate argument.
3771 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
3772 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
3773 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
3774 Define to be nonzero.
3776 2001-04-27 Andreas Jaeger <aj@suse.de>
3777 Richard Henderson <rth@redhat.com>
3779 * md.texi (Machine Constraints): Document additional i386
3780 constraints and fix description of "A".
3782 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
3784 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
3786 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
3788 * except.c (get_exception_filter): word_mode, not Pmode.
3790 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
3792 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
3793 common to other movsf patterns. Move up so that in future
3794 people who change the other patterns will change it too.
3795 (movsf_lo_sum): Allow even for soft-float; add appropriate
3797 (movsf_high): Likewise.
3798 (movsf_high+1): Allow even for soft-float.
3800 * function.c (expand_function_end): Always clobber the
3801 return registers, even if there is no return label.
3803 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3805 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
3807 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
3809 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
3810 (pushqi2_rex64, pushhi2_rex64): Add.
3812 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
3814 * except.c (expand_eh_region_end_cleanup): Force pending stack
3815 adjust before emitting label that branches around cleanup code.
3817 2001-04-26 H.J. Lu (hjl@gnu.org)
3819 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
3821 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
3823 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
3824 (ASM_OUTPUT_SECTION_NAME): Likewise.
3825 (ASM_WEAKEN_LABEL): Likewise.
3826 (UNIQUE_SECTION): Likewise.
3827 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3828 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3829 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
3830 (ASM_OUTPUT_SECTION_NAME): Likewise.
3831 (ASM_WEAKEN_LABEL): Likewise.
3832 (UNIQUE_SECTION): Likewise.
3833 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3834 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3835 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
3836 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
3837 (ASM_FILE_START): Likewise.
3838 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3839 (ASM_DECLARE_OBJECT_NAME): Likewise.
3840 (ASM_FILE_END): Likewise.
3841 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3842 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3843 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3844 (ASM_OUTPUT_CASE_LABEL): Likewise.
3845 (ASM_OUTPUT_SKIP): Likewise.
3846 (ASM_OUTPUT_ASCII): Likewise.
3847 (ASM_OUTPUT_IDENT): Likewise.
3848 (READONLY_DATA_SECTION): Likewise.
3849 (EXTRA_SECTIONS): Likewise.
3850 (EXTRA_SECTION_FUNCTIONS): Likewise.
3851 (SELECT_RTX_SECTION): Likewise.
3852 (SELECT_SECTION): Likewise.
3854 * config/mips/linux.h (INVOKE__main): Undefine.
3855 (CTOR_LIST_BEGIN): Likewise.
3856 (CTOR_LIST_END): Likewise.
3857 (DTOR_LIST_BEGIN): Likewise.
3858 (DTOR_LIST_END): Likewise.
3859 (SET_ASM_OP): Defined it to ".dummy".
3860 (ASM_OUTPUT_DEF): Defined.
3861 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
3863 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
3865 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
3866 assembler supports .p2align.
3868 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
3870 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
3872 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3874 * integrate.c (expand_inline_function): Check for error_mark_node
3877 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3879 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
3882 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
3884 * configure.in (configargs.h): Define thread_model.
3885 * configure: Rebuilt.
3886 * gcc.c (main): Print it with -v.
3888 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
3890 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
3891 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
3892 * gcc.1: Regenerate.
3894 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3896 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
3897 is_redundant_typedef): Use static inline instead of inline static.
3899 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
3901 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
3902 this directory is always searched.
3904 2001-04-25 Richard Henderson <rth@redhat.com>
3906 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
3907 of registers to restore along non eh_return path.
3909 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3911 * c-format.c (check_format_info_recurse): Handle
3912 PLUS_EXPR for format string.
3914 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3916 * config/ia64/ia64.h (CC1_SPEC): Define.
3917 * config/ia64/linux.h (CC1_SPEC): Define.
3919 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
3921 * emit-rtl.c (constant_subword): Also do sign extension in
3922 BITS_PER_WORD == 16 case.
3924 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
3926 * loop.c (try_swap_copy_prop): Go back to checking insn.
3928 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3930 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
3931 if check_mode is non-zero.
3933 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3935 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
3936 out and comparison sequence has been detected, put result into
3937 proper temporary pseudo.
3939 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3941 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
3942 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
3943 * libgcc2.c: Remove __dummy and __builtin_saveregs.
3944 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
3945 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
3946 for future reference.
3948 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
3950 * except.c (reachable_handlers): Step out one level from a RESX.
3952 * except.c (struct eh_region): Rename 'last' to 'resume'.
3953 (mark_eh_region, duplicate_eh_region_1): Adjust.
3954 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
3955 (build_post_landing_pads): Likewise.
3956 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
3957 (expand_eh_region_end_must_not_throw): Likewise.
3958 (connect_post_landing_pads): Thread (only) regions with non-deleted
3961 * except.c (expand_eh_region_end_cleanup): Save the EH return data
3962 registers around the cleanup.
3963 (get_exception_filter): New fn.
3964 (finish_eh_generation): Use it.
3966 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
3968 * c-semantics.c (add_scope_stmt): Don't call
3969 current_scope_stmt_stack multiple times.
3971 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3972 Nathan Sidwell <nathan@codesourcery.com>
3974 Lazy __FUNCTION__ generation.
3975 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
3976 RID_C99_FUNCTION_NAME): New _RIDs.
3977 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
3978 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
3979 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
3981 (function_id_node, pretty_function_id_node, func_id_node): Remove.
3982 (c99_function_name_decl_node, function_name_decl_node,
3983 pretty_function_name_decl_node, saved_function_name_decls):
3985 (struct language_function): Remove x_function_name_declared_p.
3986 (make_fname_decl): Remove a parameter.
3987 (declare_function_names): Remove prototype.
3988 (start_fname_decls, finish_fname_decls): Prototype.
3989 (fname_as_string): Likewise.
3990 (fname_string, fname_decl): Likewise.
3991 * c-common.c (make_fname_decl): Adjust.
3992 (struct fname_var_t): New struct.
3993 (fname_vars): New static array.
3994 (declare_function_name): Remove.
3995 (start_fname_decls, finish_fname_decls): New functions.
3996 (fname_as_string): New function from remnants of
3997 declare_function_name.
3998 (fname_string, fname_decl): New functions.
4000 * c-decl.c (c_function_name_declared_p): Remove.
4001 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
4002 don't call declare_function_name. Call start_fname_decls.
4003 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
4004 clobber the line number. Call finish_decl.
4005 (start_function): Call start_fname_decls.
4006 (finish_function): Call finish_fname_decls.
4007 Remove c_function_name_declared_p.
4008 (push_c_function_context): Don't push c_function_name_declared_p.
4009 (pop_c_function_context): Don't pop c_function_name_declared_p.
4010 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
4011 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
4012 (program): Call finish_fname_decls for C.
4013 (primary): Add VAR_FUNC_NAME.
4014 (reswords): Add slots for __FUNCTION__ et al.
4015 (rid_to_yy): Add mappings for __FUNCTION__ et al.
4016 (yylexname): If it's a STRING_FUNC_NAME generate the function name
4017 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
4018 * c-semantics.c (prune_unused_decls): Remove.
4019 (finish_stmt_tree): Don't call prune_unused_decls.
4020 (genrtl_decl_stmt): Don't prune unused decls here.
4022 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
4024 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
4025 constant pool, use the pool's SYMBOL_REF instead.
4027 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
4030 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
4032 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
4033 passing nested NOP_EXPRs to fold.
4035 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
4037 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
4039 2001-04-22 Mark Mitchell <mark@codesourcery.com>
4041 * loop.c (loop_delete_insns): Add prototype.
4043 2001-04-23 Phil Edwards <pme@sources.redhat.com>
4045 * configure.in: Remove ENABLE_STD_NAMESPACE.
4046 * config.in: Regenerated.
4047 * configure: Regenerated.
4049 2001-04-22 Stan Shebs <shebs@apple.com>
4051 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
4053 * config/rs6000/xm-darwin.h: Remove file.
4055 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4057 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
4058 (write_c_file_stat): Likewise.
4060 * dbxout.c (dbxout_init): Likewise.
4062 * profile.c (output_func_start_profiler): Likewise.
4064 2001-04-22 Philipp Thomas <pthomas@suse.de>
4066 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
4067 require it instead of the CVS version.
4068 * cpperror.c (v_message): Put a blank before the macro
4069 body to not confuse exgettext.
4071 2001-04-21 Mark Mitchell <mark@codesourcery.com>
4073 * flow.c (proagate_one_insn): Remove useless assignment.
4074 * jump.c (delete_insn): Tidy.
4075 * loop.c (try_copy_prop): When deleting an instruction with a
4076 REG_RETVAL note, delete the entire libcall sequence.
4077 (loop_delete_insns): New function.
4078 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
4079 we're not substituting into them yet.
4081 2001-04-21 Kazu Hirata <kazu@hxi.com>
4083 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
4085 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
4087 * config/i960/i960.c (signed_arith_operand): Likewise.
4089 * calls.c (expand_call): Fix a comment typo.
4091 2001-04-20 Zack Weinberg <zackw@stanford.edu>
4093 * configure.in: Probe for times, clock, struct tms, and clock_t.
4094 * configure, config.in: Regenerate.
4095 * timevar.c: Replace ifdef forest in get_time with (relatively)
4096 straightforward series of checks based on autoconf's probes.
4098 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
4100 * config/pa/som.h (NM_FLAGS): Define.
4102 2001-04-20 Bernd Schmidt <bernds@redhat.com>
4104 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
4106 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
4107 * ia64.c (nop_cycles_until): New function.
4108 (prev_cycle, prev_first, last_issued): New static variables.
4109 (ia64_sched_reorder): Additional arg for clock.
4110 On final scheduling pass, emit extra NOPs as needed.
4111 Set prev_first and prev_cycle.
4112 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
4113 (ia64_variable_issue): Set last_issued.
4115 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
4117 * config/i386/i386.c (ix86_expand_int_movcc,
4118 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
4120 2001-04-20 Geoff Keating <geoffk@redhat.com>
4122 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
4123 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
4124 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
4125 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
4126 ctrdi_internal6): In the short-branch case, this insn is only 4
4127 bytes long. Reported by Reza Yazdani <reza@apple.com>.
4129 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4131 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
4132 "=u" is used together with "st" resp. "st(1)" clobber.
4134 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4136 * gcse.c (gcse_main): Fix comment typo.
4137 (delete_null_pointer_check): Likewise.
4138 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
4139 * cse.c (cse_insn): Likewise.
4140 * function.c (fixup_var_refs_insns_with_hash): The sequence is
4143 2001-04-19 Zack Weinberg <zackw@stanford.edu>
4145 * toplev.c: Excise all code for the undocumented -dm option.
4146 (float_signal): Call signal just once, unconditionally.
4148 2001-04-19 Geoff Keating <geoffk@redhat.com>
4150 * fold-const.c (fold): Use first_rtl_op rather than
4151 TREE_CODE_LENGTH when looping over parameters of a tree.
4152 Correct strange grouping in test for evaluated SAVE_EXPR.
4154 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
4156 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
4157 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
4159 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
4160 name at 32 total characters.
4161 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
4162 functions in named sections -- data items can still go into unique
4163 sections, but they have normal names (ie $LIT$ and $DATA$).
4165 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
4168 2001-04-19 DJ Delorie <dj@redhat.com>
4170 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4171 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
4172 * config/i386/cygwin.h: Likewise.
4173 * config/i386/mingw32.h: Likewise.
4174 * config/vax/vms.h: Likewise.
4175 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
4177 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4178 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
4179 * config/i386/xm-cygwin.h: Likewise.
4180 * config/i386/xm-djgpp.h: Likewise.
4181 * config/i386/xm-mingw32.h: Likewise.
4182 * config/vax/xm-vms.h: Likewise.
4184 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
4185 instead of OBJECT_SUFFIX.
4186 * collect2.c (find_a_file): Look for files matching the extension
4187 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
4188 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
4189 TARGET_EXECUTABLE_SUFFIX.
4190 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
4191 (make_relative_prefix): Likewise.
4192 (convert_filename): Use TARGET_ suffixes throughout. Remove
4194 (process_command): Likewise.
4195 (do_spec_1): Likewise.
4196 * java/lang.c (init_parse): Likewise.
4198 * gcc.texi : Document four new options matching the pattern
4199 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
4200 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
4201 documentation for NO_AUTO_EXE_SUFFIX.
4203 2001-04-19 Mark Mitchell <mark@codesourcery.com>
4205 * toplev.h (struct lang_hooks): Allow decode_option to indicate
4206 that language-independent processing should not be done.
4207 * toplev.c (main): Adjust accordingly.
4209 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
4210 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
4212 * mips.md (reload_outputdi): Require that operand0 be a
4215 2001-04-19 Jakub Jelinek <jakub@redhat.com>
4217 * invoke.texi (-Wshadow): Clarify.
4219 2001-04-18 Mark Mitchell <mark@codesourcery.com>
4221 * loop.c (load_mems): Examine all the instructions in the loop
4222 before concluding that all jumps branch to the first instruction
4225 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
4227 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
4229 2001-04-18 Jakub Jelinek <jakub@redhat.com>
4231 * cpp.texi (-Wwhite-space): Remove.
4232 (-Wall): -Wall does not imply -Wwhite-space.
4234 2001-04-17 Zack Weinberg <zackw@stanford.edu>
4236 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
4237 use it instead of blindly generating a .stabs.
4238 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
4240 * xcoffout.c: Don't bother defining default for N_CATCH.
4241 (UNKNOWN_STAB): Use internal_error.
4242 (stab_to_sclass): Remove now-unnecessary aborts.
4243 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
4245 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
4247 * jump.c (mark_all_labels): Canonicalize the tail recursion
4248 label attached to CALL_PLACEHOLDER insns.
4250 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4252 * output.h (dump_flow_info, free_basic_block_vars,
4253 which_alternative): Delete redundant prototypes.
4255 * rtl.h (bss_section): Likewise.
4257 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
4259 * dbxout.c (N_OPT): Define if not available from <stab.h>
4261 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4263 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
4264 libraries and native K&R compilers.
4266 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4268 * c-typeck.c (convert_arguments): Don't check for width changes
4271 * invoke.texi (-Wtraditional): Update documentation.
4273 2001-04-16 Zack Weinberg <zackw@stanford.edu>
4275 * toplev.c (output_lang_identify): Delete.
4276 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
4277 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
4278 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
4279 after calling ASM_FILE_END.
4281 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
4282 Instead, unconditionally emit an N_OPT stab with string equal
4283 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
4285 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
4287 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
4288 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
4289 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
4290 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
4291 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
4292 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
4293 config/i370/i370.h, config/i386/beos-elf.h,
4294 config/i386/osf1elf.h, config/i386/osfrose.h,
4295 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
4296 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
4297 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
4298 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
4299 config/mips/iris6.h, config/mips/osfrose.h,
4300 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
4301 config/sparc/sp64-elf.h:
4302 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
4303 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
4305 * config/elfos.h, config/freebsd.h, config/linux.h,
4306 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
4307 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
4308 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
4309 of ASM_FILE_START which merely emit a .version directive. Delete
4310 definitions of ASM_FILE_END which merely emit an .ident directive.
4312 * config/avr/avr.h, config/vax/vax.h: Delete definition of
4313 ASM_IDENTIFY_GCC and move part of its logic into
4316 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
4317 config/sparc/linux-aout.h: Don't emit .version directive in
4320 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
4321 (output_file_start): Correct comment.
4323 * config/i386/osfrose.h: Don't emit trailing .ident directive.
4324 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
4326 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
4327 * config/rs6000/aix.h: Correct comment.
4329 * config/i386/i386afe.h: Delete.
4330 * config.gcc: Remove references to i386afe.h.
4332 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
4333 other macros deleted by this patch were undocumented.
4335 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
4337 * pa.md (reload_outdi): Operand 0 must be a non hard register.
4339 * pa.c (secondary_reload_class): SAR<->FP copies require a
4342 * install.texi (mips-mips-bsd): Update list of functions
4343 required to include memmove.
4344 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
4345 used functions to include memmove.
4347 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
4349 * i386.md (sqrtdf2): SFmode should be DFmode.
4351 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
4353 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
4354 (find_moveable_store): Likewise.
4356 2001-04-15 Jim Wilson <wilson@redhat.com>
4358 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
4360 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4362 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
4363 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
4365 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
4367 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
4370 2001-04-14 Alan Modra <amodra@one.net.au>
4372 * pa.c (force_mode): New function.
4373 (emit_move_sequence): Use it instead of generating new rtx_REGs.
4375 2001-04-13 Jim Wilson <wilson@redhat.com>
4377 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
4378 (first_instruction): New static variable.
4379 (rtx_needs_barrier): Return 1 for alloc.
4380 (init_insn_group_barriers): Set first_instruction.
4381 (rws_sum): Delete duplicate definition.
4382 (group_barrier_needed_p): Return 0 when first_instruction true.
4383 (safe_group_barrier_needed_p): Save and restore first_instruction
4384 around group_barrier_needed_p call.
4386 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
4388 * expr.h (enum libfunc_index): Add LTI_memmove.
4389 (memmove_libfunc): Define macro.
4390 * optabs.c (init_optabs): Initialize memmove_libfunc.
4391 * expr.c (expand_assignment): Use memmove_libfunc instead of
4394 2001-04-13 Alan Modra <alan@linuxcare.com.au>
4396 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
4399 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4401 * Makefile.in (reg-stack.o): Depend on reload.h.
4402 (insn-attrtab.o): Depend on flags.h.
4404 * genattrtab (main): Include flags.h in insn-attrtab.c.
4406 * reg-stack.c: Include reload.h.
4408 * sparc.h (flag_pic): Delete redundant declaration.
4410 * output.h (flag_pic): Likewise.
4412 * tree.h (pedantic): Likewise.
4414 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4416 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
4418 * jump.c, regmove.c, toplev.c: Include reload.h.
4420 * reload.h (reload_cse_regs): Declare.
4422 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
4423 reload_cse_regs, init_reload, mark_home_live, reload,
4424 init_caller_save): Delete redundant prototypes.
4426 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4428 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
4430 * regclass.c, ssa.c: Include expr.h.
4432 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
4433 gen_move_insn): Delete redundant declarations.
4435 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4437 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
4438 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
4439 MAKEINFO and MAKEINFOFLAGS too.
4440 (stage4_build): Correctly order -B flags.
4442 2001-04-13 Alan Modra <amodra@one.net.au>
4444 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
4445 PIC_OFFSET_TABLE_SAVE_RTX.
4446 (zdepi_cint_p): Describe zdepi insn.
4447 Formatting and white space fixes throughout file.
4449 * pa.c (uint32_operand): Don't use long constant >= 2^32.
4450 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
4451 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
4452 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
4453 (output_64bit_and): Use plain `int's for shift counts.
4454 (output_64bit_ior): Likewise.
4455 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
4456 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
4459 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
4460 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
4461 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
4462 NEW_HP_ASSEMBLER into one. Kill warnings.
4464 * pa-gas.h: Delete file.
4465 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
4466 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
4467 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
4468 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
4470 * config/pa/mill32.S: New file.
4471 * config/pa/mill64.S: New file.
4472 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
4473 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
4474 * config/pa/t-linux64: New file.
4475 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
4476 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
4477 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
4479 * elfos.h (SELECT_SECTION): Undef before defining.
4480 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
4481 (LIB_SPEC): Remove -lmilli.
4482 (DBX_REGISTER_NUMBER): Remove.
4483 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
4484 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
4485 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
4486 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
4487 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
4488 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
4489 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
4490 TARGET_GAS): Define.
4491 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
4492 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
4493 regs if we don't have a prototype.
4494 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
4495 * pa.h (TARGET_ELF32): Default to 0 if undefined.
4496 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
4497 EH_RETURN_HANDLER_RTX): Define.
4498 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
4499 (DWARF_FRAME_REGNUM): Define.
4500 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
4501 * pa32-linux.h: New file.
4502 * pa64-linux.h: New file.
4504 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4505 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
4506 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
4507 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
4508 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
4509 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
4510 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4511 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
4512 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
4513 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
4514 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4515 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
4516 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
4517 * pa64-hpux.h: New file.
4518 (ASM_FILE_START): Correct typo.
4519 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
4520 * config.gcc: Modify for above.
4522 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
4524 * jump.c (jump_optimize_1): Don't delete dead stores here.
4525 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
4526 prior to running jump optimize before cse2.
4528 2001-04-12 Richard Henderson <rth@redhat.com>
4530 * Makefile.in (regmove.o): Depend on except.h.
4531 * regmove.c: Include it.
4533 2001-04-12 Stan Shebs <shebs@apple.com>
4535 * objc/objc-act.c: Remove all code ifdefed with the never-used
4536 macro OBJC_INT_SELECTORS.
4537 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
4538 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
4540 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
4542 * config/pa/quadlib.c: Add prototypes.
4544 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4546 * bitmap.h (debug_bitmap): Delete redundant prototype.
4548 * rtl.h (get_frame_size): Likewise.
4550 2001-04-12 Jim Wilson <wilson@redhat.com>
4552 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
4553 to just emit an fnorm.
4555 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4557 * c-common.h (truthvalue_conversion, type_for_mode,
4558 type_for_size): Delete redundant declarations.
4560 * c-lex.h (is_class_name): Likewise.
4562 * c-tree.h (pedantic, convert, getdecls, gettags,
4563 global_bindings_p, init_decl_processing, insert_block,
4564 maybe_build_cleanup, poplevel, print_lang_decl,
4565 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
4566 set_block, incomplete_type_error, build_function_call,
4567 lvalue_or_else, mark_addressable): Likewise.
4569 * expr.h (expand_tree_builtin): Likewise.
4571 2001-04-12 Mark Mitchell <mark@codesourcery.com>
4573 * invoke.texi: Document --param max-gcse-memory.
4575 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4577 * configure.in (errno): Check for declaration.
4578 * configure, config.in: Regenerated.
4580 * system.h (errno): Only declare if not already done.
4582 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4584 * recog.c (general_operand, immediate_operand,
4585 nonmemory_operand): Require CONST_INTs to be sign-extended
4586 values for their modes.
4588 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4590 * expmed.c (store_bit_field): Truncate CONST_INTs.
4591 (expand_mult_highpart, expand_divmod): Likewise.
4592 * expr.c (convert_modes, store_field): Likewise.
4593 * integrate.c (expand_inline_function): Use promote_mode() to
4594 determine whether to convert_modes() an argument as signed
4596 * optabs.c (expand_binop): Get CONST_INT operands
4597 sign-extended for their appropriate modes.
4598 * stmt.c (emit_case_nodes): Convert node values to the
4600 (expand_end_case): Convert minval and range to the appropriate
4602 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
4603 the iteration variable.
4604 * varasm.c (immed_double_const): Don't require words to be
4605 narrower than host wide ints to properly sign-extend
4608 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
4610 * sh.md (builtin_setjmp_receiver): New expander.
4612 2001-04-12 David Edelsohn <dje@watson.ibm.com>
4614 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
4615 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
4616 for generating CONST_INT and CONST_DOUBLE.
4618 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4620 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
4621 already sign-extended.
4622 (rs6000_emit_prologue): Make register iterator signed.
4623 (rs6000_emit_epilogue): Likewise.
4624 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
4626 (movsf split, movdf split): Sign-extend CONST_INTs.
4627 (movdi splits): Likewise.
4629 2001-04-12 Kelley Cook <kelley.cook@home.com>
4631 * config-lang.in (lang_dirs): Add in zlib.
4633 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
4635 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
4636 operands that make it to RTL.
4638 2001-04-11 Stan Shebs <shebs@apple.com>
4640 Add Darwin (Mac OS X kernel) native support.
4641 * config.gcc (powerpc-*-darwin*): Add native bits.
4642 * config/darwin.c: New file, generic Darwin support functions.
4643 * config/darwin.h: New file, generic Darwin definitions.
4644 * config/darwin-protos.h: New file, generic Darwin prototypes.
4645 * rs6000/darwin.h: New file, Darwin for PowerPC.
4646 * rs6000/t-darwin: New file, Darwin makefile fragment.
4647 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
4648 (TARGET_MACHO): Ditto.
4649 (rs6000_abi): Add ABI_DARWIN.
4650 (RS6000_REG_SAVE): Add ABI_DARWIN case.
4651 (RS6000_SAVE_AREA): Ditto.
4652 (FP_ARG_MAX_REG): Ditto.
4653 (RETURN_ADDRESS_OFFSET): Ditto.
4654 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
4656 (rs6000_emit_move): Add ABI_DARWIN cases.
4657 (print_operand): Ditto.
4658 (first_reg_to_save): Ditto.
4659 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
4660 (debug_stack_info): Ditto.
4661 (rs6000_emit_prologue): Ditto.
4662 (rs6000_emit_epilogue): Ditto.
4663 (output_profiler_hook): Ditto.
4664 (output_function_profiler): Ditto.
4665 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
4666 (output_mi_thunk): Add TARGET_MACHO case.
4667 (add_compiler_stub): Ditto.
4668 (output_compiler_stub): Ditto.
4669 (no_previous_def): Ditto.
4670 (output_call): Ditto.
4671 (machopic_output_stub): Ditto.
4672 (rs6000_machopic_legitimize_pic_address): Ditto.
4673 (toc_section): Ditto.
4674 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
4675 (macho_high): Ditto.
4678 (load_macho_picbase): Ditto.
4679 (call): Add TARGET_MACHO case to modify function.
4680 (call_value): Ditto.
4681 (call_nonlocal_sysv): Add ABI_DARWIN case.
4682 (call_value_nonlocal_sysv): Ditto.
4683 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
4685 (machopic_output_stub): Ditto.
4686 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
4688 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4690 * dwarf2out.c (modified_type_die): Don't create new types here.
4691 * tree.h (get_qualified_type): New function.
4692 (build_qualified_type): Adjust comment.
4693 * tree.c (get_qualified_type): New function.
4694 (build_qualified_type): Use it.
4696 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4698 * cpp.texi (-Wtraditional): Update description.
4700 * invoke.texi (-Wtraditional): Likewise.
4702 2001-04-11 Jim Wilson <wilson@redhat.com>
4704 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
4705 requires more than 64 bits of alignment.
4707 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
4709 * cpplib.c (do_line): Sanity check iff enable checking.
4711 2001-04-11 Richard Henderson <rth@redhat.com>
4713 * Makefile.in (insn-recog.o): Depend on toplev.h.
4714 (insn-emit.o, doloop.o): Likewise.
4715 * genrecog.c, genemit.c: Include toplev.h in generated file.
4716 * doloop.c: Include toplev.h.
4718 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4720 * Makefile.in (gcse.o): Depend on params.h.
4721 * gcse.c: Include params.h.
4722 (gcse_main): Don't do GCSE if doing so will take inordinate
4724 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
4725 * params.h (MAX_GCSE_MEMORY): New macro.
4727 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4729 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
4731 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
4733 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4735 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
4737 * real.h (ereal_atof, real_value_truncate, target_isnan,
4738 target_isinf, target_negative, assemble_real, debug_real): Delete
4739 redundant prototypes.
4741 * Makefile.in (ifcvt.o): Depend on toplev.h.
4743 * c-semantics.c: Include expr.h.
4745 * ifcvt.c: Include toplev.h.
4747 * expr.h (rtx_equal_p): Delete prototype.
4749 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
4750 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
4751 eliminate_constant_term, expand_complex_abs, find_single_use,
4752 make_tree, init_expr_once, init_optabs, supports_one_only):
4755 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
4756 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
4757 expand_assignment, store_expr, emit_line_note_after,
4758 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
4760 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
4762 * sparc-protos.h: Delete redundant prototypes.
4764 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
4766 * reload.c (push_reload): Add condition missed in SUBREG byte
4769 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4771 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
4773 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
4775 * i386.md (floatsisf_sse): Fix output template
4776 * i386.c (ix86_expand_fp_movcc)
4778 * reg-stack.c (emit_pop_insn): Handle complex modes.
4779 (move_for_stack_reg): Emit proper move mode.
4780 (subst_stack_regs_pat): Handle complex modes.
4782 2001-04-11 Jakub Jelinek <jakub@redhat.com>
4784 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
4786 2001-04-10 Richard Henderson <rth@redhat.com>
4788 * libgcc2.h (__terminate_func_ptr): Remove typedef.
4789 (__pure_virtual, __terminate, __terminate_set_func,
4790 __default_terminate, __throw_type_match, __empty,
4791 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
4792 __eh_rtime_match, __unwinding_cleanup, __rethrow,
4793 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
4794 Remove prototypes of deleted functions.
4796 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4798 * c-typeck.c (convert_arguments): -Wtraditional now activates
4799 -Wconversion warnings, except for changes in signed-ness.
4800 Detect complex<->int & int<->complex conversions as well.
4802 * invoke.texi (-Wtraditional): Document it.
4804 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4806 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
4807 * flow.c (set_block_for_new_insns): Remove needless cast and
4808 properly check for unset block number.
4810 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
4812 * function.c (purge_single_hard_subreg_set): Only check REGNO if
4813 the subreg was a hard register. Pseudos are left as subregs.
4815 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4817 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
4818 (LIB2ADD_ST): New macro, pass it to mklibgcc.
4819 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
4820 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
4821 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
4823 2001-04-09 Bo Thorsen <bo@suse.co.uk>
4825 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
4827 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4829 * output.h (set_block_num): Missed it earlier, remove deprecated
4832 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4834 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
4835 (load_killed_in_block_p): Change bb parameter from int to basic_block.
4836 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
4837 (handle_rd_kill_set): Change bb parameter from int to basic_block.
4838 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
4839 (expr_killed_p): Change bb parameter from int to basic_block, pass
4840 basic_blocks instead of ints as parameters.
4841 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
4842 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
4843 from int to basic_block, pass basic_blocks instead of ints as parms.
4844 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
4845 parameter from int to basic_block, pass basic_blocks instead of ints.
4846 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
4847 (insert_insn_end_bb): Change bb parameter from int to basic_block,
4848 pass basic_blocks instead of ints.
4849 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
4850 basic_blocks instead of ints as parameters.
4851 (pre_delete): Pass basic_blocks instead of ints as parameters.
4852 (hoist_expr_reaches_here_p): Change bb parameter from int to
4853 basic_block, pass basic_blocks instead of ints.
4854 (hoist_code): Pass basic_blocks instead of ints as parameters.
4855 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
4856 Change bb parameter from int to basic_block.
4857 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
4858 (insert_insn_start_bb): Change bb parameter from int to basic_block,
4859 pass basic_blocks instead of ints.
4860 (insert_store): Pass basic_blocks instead of ints as parameters.
4861 (replace_store_insn, delete_store): Change bb parameter from int to
4862 basic_block, pass basic_blocks instead of ints.
4863 (store_motion): Pass basic_blocks instead of ints as parameters.
4865 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4867 * basic-block.h (set_new_block_for_insns): New Prototype.
4868 (set_block_num): Delete prototype.
4869 * flow.c (set_block_num): Remove obsolete function.
4870 (set_block_for_new_insns): Set BB for single or multiple insns.
4871 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
4872 (process_insn_end_bb): Use set_block_for_new_insns or
4873 set_block_for_insn instead of set_block_num.
4874 (pre_insert_copy_insn): Use set_block_for_new_insns.
4875 (update_ld_motion_stores): Use set_block_for_new_insns.
4876 (insert_insn_start_bb): Use set_block_for_new_insns.
4877 (replace_store_insn): Use set_block_for_new_insns.
4879 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4880 Jeff Law <law@redhat.com>
4882 * alias.c (get_addr): Externalize.
4883 (canon_true_dependence): New function. Behaves like true_dependance
4884 except it already assumes a MEM has been canonicalized.
4885 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
4886 * gcse.c (struct ls_expr): Add load/store expressions structure.
4887 (modify_mem_list, canon_modify_mem_list): New variable.
4888 (gcse_main): Initialize & finalize alias analysis. Use enhanced
4889 load motion and store motion if requested.
4890 (alloc_gcse_mem): Allocate space for modify_mem_list array.
4891 (free_gcse_mem): Free the modify_mem_list array.
4892 (oprs_unchanged_p): Use load_killed_in_block_p.
4893 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
4894 (mems_conflict_for_gcse_p): New function. Don't kill loads
4895 with stores to themselves if its in the load/store expression list.
4896 (load_killed_in_block_p): New function.
4897 (canon_list_insert): New Function.
4898 (record_last_mem_set_info): Keep a list of all instructions which
4899 can modify memory for each basic block.
4900 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
4901 (oprs_not_set_p): Use load_killed_in_block_p.
4902 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
4903 (expr_killed_p): Use load_killed_in_block_p.
4904 (compute_transp): Do not pessimize memory references.
4905 (pre_edge_insert): Update stores for a load motion expression.
4906 (one_pre_gcse_pass): Check loads/stores for extra load motion.
4907 (ldst_entry): Find or create a ldst_expr structure.
4908 (free_ldst_entry): Free memory for an individual item.
4909 (free_ldst_mems): Free entire load/store expression list.
4910 (print_ldst_list): Print debug info.
4911 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
4912 (enumerate_ldsts): Assign integer values to each entry in list.
4913 (first_ls_expr): First expression in the list.
4914 (next_ls_expr): Next expression in the list.
4915 (simple_mem): Check if expression qualifies for ld/st expression list.
4916 (invalidate_any_buried_refs): Remove from expression list if its
4917 used in some other way we dont understand.
4918 (compute_ld_motion_mems): Find all potential enhanced load motion
4920 (trim_ld_motion_mems): Remove any expressions which are invalid.
4921 (update_ld_motion_stores): Copy store values to registers for loads
4922 which have been moved.
4923 (regvec, st_antloc, num_store): New global statics.
4924 (reg_set_info): Marks registers as set.
4925 (store_ops_ok): Verfies registers expressions are valid in a block.
4926 (find_moveable_store): Look for moveable stores in a pattern.
4927 (compute_store_table): Find stores in a function worth moving, maybe.
4928 (load_kills_store): Check dependance of a load and store.
4929 (find_loads): Find any loads in a pattern.
4930 (store_killed_in_insn): Check if a store is killed in an insn.
4931 (store_killed_after): Check is store killed after an insn in a block.
4932 (store_killed_before): Check is store killed before an insn in a block.
4933 (build_store_vectors): Generate the antic and avail vectors.
4934 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
4935 (insert_store): Add a store to an edge.
4936 (replace_store_insn): Replace a store with a SET insn.
4937 (delete_store): Delete a store insn.
4938 (free_store_memory): Free memory.
4939 (store_motion): Perform store motion.
4940 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
4941 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
4942 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
4943 (f_options): Add gcse-lm and gcse-sm.
4945 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
4947 * i386.c (expand_fp_movcc): Fix condition reversal code.
4949 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
4950 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
4951 (CLASS_MAX_NREGS): Use it.
4953 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
4954 handle properly complex values.
4955 (CLASS_MAX_NREGS): Likewise; update comment.
4957 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4959 * ia64.c (ia64_flag_schedule_insns2): New variable.
4960 (ia64_override_options): Initialize it. Clear
4961 flag_schedule_insns_after_reload.
4962 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
4964 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
4966 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
4967 Do not require source to match destination anymore;
4968 Add abort to the nontrivial cases that should be handled by split.
4969 (fix_trunc?fdi): Add SSE case for x86_64.
4970 (floatdi?f): Likewise.
4971 (floatdi?f_sse): New.
4972 (fix_trunc?fdi_sse): New.
4974 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
4976 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
4977 (DEBUG_ARANGES_END_LABEL): Ditto.
4978 (dwarfout_init): Generate length and version fields at the start
4979 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
4980 after the length field.
4981 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
4982 the .debug_aranges info.
4984 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4986 * i386.c (call, call_value): Make sure that resulting call_insn
4987 does have proper second operand.
4989 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
4991 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
4992 function. Remove include of sys/cygwin.h.
4994 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
4996 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
4997 (CPP_SPEC): Always search */include/w32api for header files.
4998 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
4999 (LINK_SPEC): Add "cyg" to the library search prefixes.
5001 2001-04-08 Philip Blundell <philb@gnu.org>
5003 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
5005 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
5007 * cpperror.c (print_location): Don't special case <stdin>.
5008 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
5009 WARNING, but we don't check if we're in system headers.
5010 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
5011 * cpplib.c (do_warning): Warn in system headers.
5013 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
5015 * mbchar.c: Include config.h first.
5017 2001-04-07 Zack Weinberg <zackw@stanford.edu>
5019 * config.gcc: Set default for xmake_file at top, not bottom.
5020 Change places that set xmake_file to "none" to set to the
5021 empty string instead, or remove them entirely if there is no
5022 default xmake_file for this cpu_type. Remove references to
5025 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
5026 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
5027 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
5028 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
5029 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
5030 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
5031 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
5032 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
5033 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
5034 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
5037 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
5038 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
5039 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
5040 config/mips/x-sysv, config/rs6000/x-aix31:
5041 Just set CLIB to -lld or -lmld, as appropriate.
5043 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
5044 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
5045 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
5046 config/mips/x-iris, config/pa/x-pa:
5047 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
5048 OTHER_FIXINCLUDES_DIRS.
5050 * config/i386/x-djgpp: Don't set LN or LN_S.
5051 * config/m88k/x-dolph: Don't define __m88k__.
5052 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
5053 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
5054 * config/i860/fx2800.h: No need to #undef SVR4.
5056 38 x-host fragments remain, 2 x-cpu.
5058 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5060 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
5062 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5064 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
5066 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5068 * configure.in: Add check for lstat.
5069 * configure, config.in: Regenerate.
5070 * cppinit.c (append_include_chain): Make empty path ".".
5071 * cpplib.c (do_line): Don't simplify #line paths.
5072 * cppfiles.c (remove_component_p): New function.
5073 (find_or_create_entry): Acknowledge stat () errors during
5074 path simplification.
5075 (handle_missing_header): Don't simplify paths.
5076 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
5077 the empty path untouched. Don't leave a trailing '/'.
5079 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
5081 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5082 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5084 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5086 * cppfiles.c (open_file): Fail directories silently, but
5087 with an errno of NOENT set.
5088 (read_include_file): Move the common exit code to the sole
5089 caller. Return an int indicating success or failure. Let
5090 open_file handle directories.
5091 (stack_include_file): If read_include_file fails,
5092 push a "null" buffer.
5094 2001-04-05 DJ Delorie <dj@redhat.com>
5096 * function.h (virtuals_instantiated): Declare.
5097 * function.c: (virtuals_instantiated): Make global.
5098 * calls.c (emit_library_call_value_1): Use
5099 virtual_outgoing_args_rtx only if it hasn't been instantiated.
5100 Otherwise, use the stack pointer directly.
5102 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5104 * i386.c (x86_initialize_trampoline): New global function.
5105 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
5106 (INITIALIZE_TRAMPOLINE): Move offline.
5107 * i386-protos.h (x86_initialize_trampoline): Declare.
5109 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5111 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
5112 (lea_0): Rename to lea_1.
5113 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
5114 (lea_general_?): Allow SImodes on TARGET_64BIT
5115 (lea_general_?_zext): New patterns.
5116 (call_1, call_1_rex64): Fix.
5118 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5120 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
5122 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5124 * i386.c (function_arg): Return constm1_rtx for last argument.
5125 (ix86_expand_prologue): Update gen_call calls.
5126 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
5127 * i386.md (call_pop): Likewise.
5128 (call): Second operand is VOIDmode.
5129 (call_0): Likewise; Support 64bits.
5130 (call_exp): New expander.
5131 (call_1): Get to the sync.
5132 (call_1_exp): New pattern.
5133 (call_value): Support 64bit.
5134 (call_value_exp): New pattern.
5135 (untyped_call): Update gen_call call.
5136 (call_value_pop): Disable for 64bit.
5137 (call_value_0_rex64): New pattern.
5138 (call_value_1_rex64): Likewise.
5140 2001-04-05 Bo Thorsen <bo@suse.de>
5142 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
5144 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
5146 * i386.md (*andsi_1+3): If used after reload, make sure the operand
5147 satisfies ANY_QI_REG_P.
5149 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5151 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
5154 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
5157 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5159 * config.gcc: Remove default for xm_file. Clean up local
5160 machine type handling. Remove settings of xm_file to
5161 something that doesn't exist. In the big switch, set xm_file,
5162 don't append to it (the value before the big switch is always
5163 null). Don't force build_xm_file or host_xm_file to have a value.
5164 * configure.in: Remove default for xm_file. Do not special
5165 case $cpu/xm-$cpu.h not existing.
5166 * configure: Regenerate.
5168 2001-04-04 Diego Novillo <dnovillo@redhat.com>
5170 * simplify-rtx.c (simplify_binary_operation): Check for overflow
5171 when folding integer division and modulo operations.
5173 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
5175 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
5176 instead of DWARF2_ADDR_SIZE for EH addresses.
5177 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
5180 2001-04-04 Richard Henderson <rth@redhat.com>
5182 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
5183 * config/ia64/t-glibc (LIB2ADDEH): Disable.
5184 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
5186 2001-04-04 Richard Henderson <rth@redhat.com>
5188 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
5189 * configure: Rebuilt.
5191 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5193 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
5194 push insns to delete to it instead of deleting them.
5195 (delete_null_pointer_checks): Delete insns from delete_list after
5196 all delete_null_pointer_checks_1 passes are done.
5198 2001-04-04 Richard Henderson <rth@redhat.com>
5200 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
5201 * configure: Rebuilt.
5203 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5205 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
5206 * config/romp/xm-romp.h: Delete.
5208 2001-04-04 Bernd Schmidt <bernds@redhat.com>
5210 * sched-deps.c (sched_analyze_insn): Partially revert March 27
5213 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5215 * emit-rtl.c (mark_label_nuses) Increment the label uses for
5216 all labels present in rtx.
5217 (try_split) Call new function for all split insns.
5219 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5221 * recog.c (validate_replace_rtx_1): Instead of aborting just make
5222 sure the change won't be validated.
5224 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
5226 * rtl.h (set_noop_p): Declare.
5227 * flow.c (set_noop_p): Move from here ...
5228 * rtlanal.c (set_noop_p): ... to here and enhance.
5229 * cse.c (delete_trivially_dead_insns): Use it.
5230 * gcse.c (hash_scan_set): Likewise.
5231 * jump.c (delete_noop_moves): Likewise.
5232 * recog.c (split_all_insns): Likewise.
5234 2001-04-04 Alan Modra <alan@linuxcare.com.au>
5236 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
5237 stack pointer via a LO_SUM. Ditto for setting a temp register
5238 used to save to the stack. Set cfa_temp when setting fp, and
5239 allow matches to cfa_temp in addition to cfa_store when saving
5240 regs. Handle POST_INC and LO_SUM register stores. Document the
5241 changes and errors in rule 12 doco.
5243 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
5244 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
5245 (load_reg): Move closer to epilogue code.
5246 (DO_FRAME_NOTES): Define to control the following..
5247 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
5248 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
5250 (hppa_expand_epilogue): Likewise.
5252 2001-04-03 Richard Henderson <rth@redhat.com>
5254 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
5255 * configure: Rebuild.
5257 2001-04-03 Richard Henderson <rth@redhat.com>
5259 * rtl.h (LCT_THROW): New.
5260 * calls.c (emit_library_call_value_1): Handle it.
5261 * except.c (connect_post_landing_pads): Use it.
5263 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5265 * gansidecl.h: Delete file.
5266 * configure.in: Change all refs to gansidecl.h to use
5267 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
5269 * configure: Regenerate.
5271 * Makefile.in (intl.o): Don't depend on gansidecl.h.
5272 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
5273 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
5274 Don't include gansidecl.h.
5275 * intl.c, main.c, version.c, fixinc/fixlib.h,
5276 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
5279 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5281 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
5284 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5286 * config/i386/xm-beos.h, config/i386/xm-isc.h,
5287 config/i386/xm-next.h, config/i386/xm-sco.h,
5288 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
5289 config/m88k/xm-m88k.h: Delete.
5291 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
5292 * config/romp/xm-romp.h: Don't define bcopy.
5293 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
5294 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
5296 * config.gcc: Remove references to deleted files.
5298 14 xm-host.h remain, 1 xm-cpu.h.
5300 2001-04-03 Jakub Jelinek <jakub@redhat.com>
5301 David S. Miller <davem@pierdol.cobaltmicro.com>
5302 Andrew MacLeod <amacleod@redhat.com>
5304 Use byte offsets in SUBREGs instead of words.
5306 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
5307 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
5308 to pass new argument.
5309 (add_stored_regs): Use subreg_regno_offset function.
5310 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
5312 (precompute_arguments): Use gen_lowpart_SUBREG.
5313 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
5314 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
5315 (simplify_set): Rework to use SUBREG_BYTE.
5316 (expand_field_assignment): Use SUBREG_BYTE.
5317 (make_extraction): Use SUBREG_BYTE.
5318 (if_then_else_cond): Use SUBREG_BYTE.
5319 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
5320 (gen_lowpart_for_combine): Compute full byte offset.
5321 * cse.c (mention_regs): Use SUBREG_BYTE.
5322 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
5323 (canon_hash): Use SUBREG_BYTE.
5324 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
5325 (gen_lowpart_if_possible): Formatting.
5326 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
5328 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5329 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5330 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5331 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5332 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5333 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5334 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
5335 certain invariants about SUBREGs the compiler creates.
5336 (gen_lowpart_SUBREG): New function.
5337 (subreg_hard_regno): New function to get the final register number.
5338 (gen_lowpart_common): Use SUBREG_BYTE.
5339 (gen_imagpart): Spacing nits.
5340 (subreg_realpart_p): Use SUBREG_BYTE.
5341 (gen_highpart): Use SUBREG_BYTE.
5342 (subreg_lowpart_p): Always compute endian corrected goal offset,
5343 even at the byte level, then compare against that.
5344 (constant_subword): New function, pulled out all constant cases
5345 from operand_subword and changed second argument name to offset.
5346 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
5347 and call constant_subword to do the work. Return const0_rtx if
5348 looking for a word outside of OP.
5349 (operand_subword_force): Change second arg name to offset.
5350 * expmed.c (store_bit_field): Use SUBREG_BYTE.
5351 (store_split_bit_field): Use SUBREG_BYTE.
5352 (extract_bit_field): Use SUBREG_BYTE.
5353 (extract_split_bit_field): Use SUBREG_BYTE.
5354 (expand_shift): Use SUBREG_BYTE.
5355 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
5356 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
5357 * flow.c (set_noop_p): Use SUBREG_BYTE.
5358 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
5359 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
5360 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
5362 (optimize_bit_field): Use SUBREG_BYTE.
5363 (purge_addressof_1): Use SUBREG_BYTE.
5364 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
5365 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
5366 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
5367 * gengenrtl.c (special_rtx): Add SUBREG.
5368 * global.c (mark_reg_store): Use SUBREG_BYTE.
5369 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
5370 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
5371 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
5372 final byte offset is congruent to subreg's mode size.
5373 (subst_constants): Use SUBREG_BYTE.
5374 (mark_stores): Use subreg_regno_offset function.
5375 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
5376 function and SUBREG_BYTE.
5377 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
5378 (reg_is_born): Use subreg_hard_regno.
5379 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
5380 endian correction code. Don't combine subregs unless resulting
5381 offset aligns with type. Fix subreg constant extraction for DImode.
5382 Simplify SUBREG of VOIDmode CONST_DOUBLE.
5383 (general_operand): Remove dead mode_altering_drug code.
5384 (indirect_operand): Use SUBREG_BYTE.
5385 (constrain_operands): Use subreg_regno_offset function.
5386 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
5387 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
5388 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
5389 * regs.h (REG_SIZE): Allow target to override.
5390 (REGMODE_NATURAL_SIZE): New macro which target can override.
5391 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
5392 on the entire subreg rtx.
5393 (push_reload): Use SUBREG_BYTE in comments and code.
5394 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
5395 for hard registers inside subregs.
5396 (operands_match_p): Use subreg_regno_offset.
5397 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
5398 containing hard regs.
5399 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
5400 corrections when fixing up MEM subregs.
5401 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
5402 subreg_regno_offset where appropriate.
5403 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
5404 byte endian corrections when fixing up MEM subregs.
5405 (subst_reloads): When combining two subregs, make sure final
5406 offset is congruent to subreg's mode size.
5407 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
5408 (refers_to_regno_for_reload_p): Use subreg_regno.
5409 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
5410 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
5411 correction code for memory subreg fixups.
5412 (forget_old_reload_1): Use subreg_regno_offset.
5413 (choose_reload_regs): Use subreg_regno.
5414 (emit_input_reload_insns): Use SUBREG_BYTE.
5415 (reload_combine_note_store): Use subreg_regno_offset.
5416 (move2add_note_store): Use subreg_regno_offset.
5417 * resource.c (update_live_status, mark_referenced_resources): Use
5418 subreg_regno function.
5419 (mark_set_resources): Use subreg_regno function.
5420 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
5421 (subreg_regno_offset, subreg_regno): Define prototypes.
5422 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
5423 (gen_lowpart_SUBREG): Add prototype.
5424 * rtl.texi (subreg): Update to reflect new byte offset representation.
5425 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
5426 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
5427 (reg_overlap_mentioned_p): Use subreg_regno.
5428 (replace_regs); Make sure final offset of combined subreg is
5429 congruent to size of subreg's mode.
5430 (subreg_regno_offset): New function.
5431 (subreg_regno): New function.
5432 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
5433 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
5434 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
5435 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
5436 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
5437 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
5438 (a29k_get_reloaded_address): Use SUBREG_BYTE.
5439 (print_operand): Use SUBREG_BYTE.
5440 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
5441 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
5442 (arm_reload_out_hi): Use SUBREG_BYTE.
5443 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
5444 instead of SUBREG_WORD.
5445 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
5446 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
5447 SUBREG creation to use byte offset.
5448 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
5449 inverted load insns): Fix explicit rtl subregs to use byte
5451 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
5452 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
5453 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
5454 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
5455 to use byte offsets.
5456 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
5457 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
5458 offsets, also make sure it is congruent to SUBREG's mode size.
5459 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
5460 unnamed ldob insn): Generate SUBREGs with byte offset.
5461 (zero_extendqihi2): SUBREG's are byte offsets.
5462 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
5463 (m68hc11_gen_highpart): Use SUBREG_BYTE.
5464 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
5465 zero-extendqisi2): Generate SUBREGs with byte offset.
5466 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
5467 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
5468 subregs in rtl to use byte offsets.
5469 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
5470 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
5471 (mips_move_2words): Use subreg_regno_offset.
5472 (mips_secondary_reload_class): Use subreg_regno_offset.
5473 * config/mips/mips.md (DImode plus, minus, move, and logical op
5474 splits): Fixup explicit subregs in rtl to use byte offsets.
5475 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
5476 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
5477 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
5478 rtl to use byte offsets.
5479 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
5480 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
5481 subregs to use byte offsets.
5482 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
5483 Fixup explicit subregs in rtl to use byte offsets.
5484 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
5485 and remove byte endian correction code.
5486 * config/sh/sh.c (output_movedouble): Use subreg_regno.
5487 (gen_ashift_hi): Use SUBREG_BYTE.
5488 (regs_used): Use subreg_regno_offset.
5489 (machine_dependent_reorg): Use subreg_regno_offset.
5490 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
5491 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
5492 (movdf_i4): Subregs are byte offsets now.
5493 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
5494 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
5495 (REGMODE_NATURAL_SIZE): Override.
5496 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
5497 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
5499 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
5500 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
5501 extendqidi2): Generate SUBREGs with byte offsets, also make sure
5502 it is congruent to SUBREG's mode size.
5503 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
5505 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
5506 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
5507 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
5508 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
5509 * config/v850/v850.c (print_operand, output_move_double): Use
5510 subreg_regno function.
5512 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
5514 * configure.in (target_subdir): Use target_alias, not target.
5515 * configure: Rebuilt.
5517 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
5519 * config/sh/crti.asm: Fix typos in comments.
5521 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5523 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
5524 TARGET_FAST_INDIRECT_CALLS.
5525 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
5527 (return_addr_rtx): Short circuit export stub matching when
5528 TARGET_NO_SPACE_REGS.
5529 (output_millicode_call): For out of range calls, make -fPIC
5530 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
5531 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
5532 * pa.md: Modify length attr calculation of all millicode insns to
5535 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
5537 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
5538 Require at least 2.11 in the version test. Specifically check
5539 for and reject GAS version 2.10.90.
5540 * configure: regenerate.
5542 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5544 * pa.c (override_options): Remove PIC profiling warning.
5545 (hp_profile_labelno): Delete.
5546 (hp_profile_label_rtx): Delete.
5547 (hp_profile_label_name): Delete.
5548 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
5549 (output_function_prologue): Remove profiling code and all tests on
5550 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
5551 merge_sp_adjust_with_store can work for PIC and profiling.
5552 (hppa_expand_epilogue): Remove profile_flag test.
5553 (hppa_can_use_return_insn_p): Likewise.
5554 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
5555 cater for PROFILE_HOOK.
5556 (hppa_profile_hook): New function.
5557 * pa.h (FUNCTION_PROFILER): Now does nothing.
5558 (PROFILE_HOOK): Define.
5559 (hppa_profile_hook): Declare.
5560 (PROFILE_BEFORE_PROLOGUE): Delete.
5561 (ASM_OUTPUT_REG_PUSH): Delete.
5562 (ASM_OUTPUT_REG_POP): Delete.
5563 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
5564 r24. Accept function name operand, and use this and a locally
5565 generated label to calculate pc-rel offset to func start.
5567 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5569 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
5570 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
5573 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5575 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
5576 LO_SUM cases to where they belong.
5578 2001-04-02 Richard Henderson <rth@redhat.com>
5580 * except.h (lang_eh_type_covers): Mark extern.
5581 (lang_eh_runtime_type): Likewise.
5583 2001-04-02 Zack Weinberg <zackw@stanford.edu>
5585 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
5586 gengenrtl.c: Wrap generated header in multiple-include guard.
5587 Improve error checking.
5589 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5591 * configure.in: Don't check for putenv.
5592 * configure: Regenerate.
5593 * gcc.c (putenv): Don't define.
5594 * vax/xm-vms.h: Handle putenv.
5596 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5598 * ifcvt.c (noce_emit_move_insn): New.
5599 (noce_try_store_flag, noce_try_store_flag_constants,
5600 noce_try_store_flag_inc, noce_try_store_flag_mask,
5601 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
5602 noce_try_abs): Use it.
5603 (noce_process_if_block): Likewise.
5604 For STRICT_LOW_PART, take mode from its SUBREG.
5606 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5608 * fold-const.c (fold): Before optimizing unsigned comparison with
5609 0x7fffffffU, make sure arg0 is integral type.
5611 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
5613 * c-tree.texi: Document representation of wide strings.
5615 2001-04-01 Richard Henderson <rth@redhat.com>
5617 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
5619 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
5621 * i386.md: remove obsoleted comments.
5622 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
5623 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
5624 fix output template.
5626 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
5628 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
5630 2001-03-30 Bernd Schmidt <bernds@redhat.com>
5632 * loop.c (load_mems): When generating a load from a pseudo, update
5635 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5637 * i386.c (ix86_split_long_move): Use change address to compensate
5638 stack pointer change in push instruction.
5640 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5642 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
5643 instead of rtx_equal_p; fix the output template.
5645 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
5647 * i386.c (ix86_expand_setcc): Support 64bit.
5648 (ix86_expand_int_movcc): Likewise.
5649 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
5652 * i386.md (allocate_stack_worker): Turn to expander.
5653 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
5655 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
5657 2001-03-29 Richard Henderson <rth@redhat.com>
5659 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
5661 2001-03-28 Matthew Hiller <hiller@redhat.com>
5663 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
5666 * MAINTAINERS: Added self.
5668 2001-03-28 Richard Henderson <rth@redhat.com>
5670 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
5671 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
5673 2001-03-28 Jim Wilson <wilson@redhat.com>
5675 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
5678 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5680 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
5682 * tradcif.y (yyerror): Likewise. Add format specifier in call to
5685 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
5687 2001-03-28 DJ Delorie <dj@redhat.com>
5689 * Makefile.in (stage1_build): Revert CFLAGS patch.
5691 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
5693 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
5694 when multiplier or multiplicand is zero.
5696 2001-03-28 Bernd Schmidt <bernds@redhat.com>
5698 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
5700 * config/ia64/ia64.c (update_set_flags): New function, broken out of
5702 (set_src_needs_barrier): Likewise.
5703 (rtx_needs_barrier): For SET case, use these two functions. Rework
5704 PARALLEL case to handle all inputs before all outputs.
5705 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
5706 saw a label and no stop bit since then.
5707 (maybe_rotate, process_epilogue): Add prototypes.
5709 2001-03-28 Richard Henderson <rth@redhat.com>
5711 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
5712 not TARGET_TOC for special toc restore handling.
5713 * config/rs6000/rs6000.md (eh_return): Likewise.
5715 2001-03-28 Richard Henderson <rth@redhat.com>
5717 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
5718 current_function_calls_eh_return.
5719 (output_function_epilogue): Handle eh_return.
5720 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
5721 (EH_RETURN_DATA_REGNO): New.
5722 (EH_RETURN_STACKADJ_RTX): New.
5723 (EH_RETURN_HANDLER_RTX): New.
5724 * config/sparc/sparc.md (call/short branch peepholes): Check
5725 can_throw_internal instead of in_same_eh_region.
5727 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
5728 for eh_return data registers.
5729 (rs6000_emit_prologue): Save eh_return data registers.
5730 (rs6000_emit_epilogue): Force inline restores if eh_return.
5731 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
5732 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
5733 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
5734 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
5735 the target uses one.
5736 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
5737 (return_eh_si, return_eh_di): Remove.
5738 (eh_return): New, from corpse of eh_epilogue.
5739 (eh_set_lr_si, eh_set_lr_di): New.
5741 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
5742 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
5743 True for pic register if current_function_calls_eh_return.
5744 (ix86_expand_epilogue): Change "emit_return" argument into "style".
5745 Handle eh_return requirements.
5746 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
5747 (EH_RETURN_STACKADJ_RTX): New.
5748 * config/i386/i386.md (exception_receiver): Remove.
5749 (eh_return, eh_return_1): New.
5750 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5752 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
5753 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
5754 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
5755 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
5756 (EH_RETURN_DATA_REGNO): New.
5757 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
5758 * config/alpha/alpha.md (eh_epilogue): Remove.
5759 (exception_receiver): Use $26 for ldgp input.
5760 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5762 2001-03-28 Richard Henderson <rth@redhat.com>
5764 * except.c: Rewrite entirely for IA-64 ABI exception handling.
5765 * except.h: Likewise.
5767 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
5768 (LIB2ADDEHDEP): New.
5769 (LIB2FUNCS_EH): Remove.
5770 (LIB2ADD): Remove LIB2ADDEH.
5771 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
5772 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
5773 (crt{begin,end}[S].o): Likewise.
5774 (except.o): Update includes.
5775 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
5776 (libgcc2_c_dep): Use LIB2ADDEHDEP.
5778 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
5779 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
5780 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
5781 * builtins.c (expand_builtin): Implement it.
5782 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
5783 * c-common.c (c_common_nodes_and_builtins): Declare it.
5784 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
5785 * calls.c (libfunc_nothrow): Remove.
5786 (emit_library_call_value_1): Don't call it.
5787 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
5788 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
5789 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
5790 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
5791 (current_funcdef_number): Globalize.
5792 (output_call_frame_info): Emit frame data if an lsda is needed.
5793 Generate augmentation for personality routine. Don't play with
5795 (dwarf2out_begin_prologue): Record funcdef_number.
5796 * dwarf2out.h (current_funcdef_number): Declare.
5797 * expr.c (expand_expr): Update for except.h name changes.
5798 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
5799 * expr.h (LTI_throw, LTI_rethrow): Remove.
5800 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
5801 (LTI_eh_rtime_match): Remove.
5802 (LTI_unwind_resume, LTI_eh_personality): Add.
5803 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
5804 * final.c (final): Don't call check_exception_handler_labels,
5805 init_insn_eh_region, or free_insn_eh_region.
5806 (final_scan_insn): Always emit debug labels for
5807 NOTE_INSN_EH_REGION notes.
5808 * flags.h (flag_new_exceptions): Remove.
5809 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
5810 (record_active_eh_regions): Remove.
5811 (count_basic_blocks): Check all instructions for REG_EH_REGION.
5812 Use can_throw_internal.
5813 (find_basic_blocks_1): Likewise.
5814 (move_stray_eh_region_notes): Remove.
5815 (find_label_refs): No eh_return_stub_label.
5816 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
5817 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
5819 (delete_unreachable_blocks): Don't track deleted handlers.
5820 (flow_delete_block): Use maybe_remove_eh_handler.
5821 (delete_eh_regions): Remove.
5822 (merge_blocks): Don't check for eh region match.
5823 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
5824 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
5825 (init_propagate_block_info): Disable dead frame store optimization
5826 when current_function_calls_eh_return.
5827 (dump_bb): Don't print eh_beg, eh_end.
5828 * function.c (fixup_var_refs): No catch_clauses.
5829 (expand_function_end): Likewise. Call expand_eh_return before
5830 the return register use. Call sjlj_emit_function_exit_after.
5831 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
5832 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
5833 * ifcvt.c (dead_or_predicable): Remove eh region check.
5834 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
5835 Don't check for EH vs parameters.
5836 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
5837 (expand_inline_function): Call duplicate_eh_regions.
5838 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
5839 (copy_insn_notes): Remap REG_EH_REGION notes.
5840 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
5841 * integrate.h (struct inline_remap): Add local_return_label.
5842 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
5843 check_exception_handler_labels, nor exception_optimize.
5844 (find_cross_jump): No EH region check.
5845 * optabs.c (init_optabs): Update for changed eh libfuncs.
5846 * rtl.def (RESX): New.
5847 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
5848 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
5849 checks. Update for except.h name changes.
5850 (expand_cleanups): Likewise.
5851 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
5852 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
5853 (compile_file): Call init_eh before init_optabs. Don't
5854 output_exception_table here.
5855 (rest_of_compilation): Call convert_from_eh_region_ranges,
5856 convert_to_eh_region_ranges, output_function_exception_table.
5857 Don't emit_eh_context.
5858 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
5859 (EXC_PTR_EXPR): New.
5861 * md.texi (eh_epilogue): Remove.
5862 (eh_return): Document.
5863 * tm.texi (EH_RETURN_DATA_REGNO): Document.
5864 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
5866 * eh-common.h: Remove file.
5867 * frame-dwarf2.c, frame.c, frame.h: Remove files.
5868 * libgcc2.c (L_eh): Remove.
5870 * unwind-dw2-fde.c: New file, largely copied from frame.c.
5871 * unwind-dw2-fde.h: New file.
5872 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
5873 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
5874 * libgcc-std.ver: Update for eh symbols.
5876 2001-03-27 Richard Henderson <rth@redhat.com>
5878 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
5879 reduce false positives.
5880 (regmove_optimize): Disable if flag_non_call_exceptions.
5882 * stmt.c (expand_return): Remove always true predicate.
5883 (expand_decl_cleanup_no_eh): Remove dead code.
5885 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
5886 barrier code. Add a scheduling barrier if a non-call insn
5887 can throw internally.
5889 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
5890 Auto-inc addresses trap only if their base register does.
5892 * except.c (can_throw_internal): Rename from can_throw.
5893 * except.h, resource.c: Update references.
5895 * integrate.c (copy_insn_list): Use returnjump_p.
5896 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
5898 * function.h (struct function): Move all boolean valued fields
5899 to single bit fields at the end of the struct.
5901 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
5903 Rename asynchronous_exceptions to flag_non_call_exceptions.
5905 * gthr-single.h (UNUSED): New. Distinguish between how C
5906 and C++ mark unused function arguments. Use throughout.
5908 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
5909 value to target configuration header.
5910 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
5911 * config.in, configure: Rebuild.
5912 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
5913 configuration and target defines.
5914 (exceptions_via_longjmp): Remove.
5915 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
5916 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
5918 * except.h (flag_non_call_exceptions): Move ...
5919 * flags.h: ... here.
5921 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
5922 exceptions, put the note on the trapping instruction.
5924 * flags.h (flag_new_exceptions): Remove.
5925 * toplev.c: Don't set it.
5926 * final.c: Don't check it.
5927 * except.c: Provide stub definition.
5929 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
5930 (calculate_global_regs_live): Kill call-clobbered registers
5931 across exception edges.
5932 * reg-stack.c (convert_regs_1): Kill the entire target stack
5933 across non-call exception edges.
5935 * flow.c (cleanup_cfg): Take no argument.
5936 * output.h, sibcall.c, toplev.c: Update all calls.
5938 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5940 * configure.in: Don't check for bcopy.
5941 * configure, config.in: Regenerate.
5943 * system.h: Don't define or prototype bcopy, instead poison it.
5945 2001-03-27 Richard Henderson <rth@redhat.com>
5947 * function.c (expand_function_start): Set DECL_REGISTER on
5948 a pseudo used for DECL_RESULT.
5950 * rtl.h (LCT_NORETURN): New.
5951 * calls.c (emit_library_call_value_1): Handle it.
5953 2001-03-27 Stan Shebs <shebs@apple.com>
5955 * objc/objc-act.c (objc_init): Use dump_base_name.
5956 (gen_declaration): Clear the buffer arg.
5957 (gen_declaration_1): New function, body of gen_declaration.
5958 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
5959 (gen_method_decl): Ditto, plus always clear buffer arg.
5960 (error_with_ivar): Simplify.
5961 (warn_with_method): Ditto.
5962 (build_message_expr): Don't clear buffers.
5963 (dump_interface): Ditto.
5964 (objc_debug): Ditto.
5965 (build_keyword_selector): Clear the buffer by only zeroing
5967 (objc_implementation_context): Declare.
5968 (start_class): Warn about missing @end.
5969 (finish_objc): Ditto.
5971 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
5973 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
5975 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5977 * Makefile.in (SYSTEM_H): Define.
5978 Depend on $(SYSTEM_H), not system.h.
5980 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
5982 2001-03-27 Jim Wilson <wilson@redhat.com>
5984 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
5986 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
5987 (process_epilogue): New static function.
5988 (process_set): Call process_epilogue instead of emitting .restore
5990 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
5992 * flow.c (struct reg_cond_life_info): New fields orig_condition
5994 (init_propagate_block_info): Set new fields.
5995 (mark_regno_cond_dead): Set and use new fields.
5996 (flush_reg_cond_reg_1): Likewise.
5997 (and_reg_cond, case AND): Check for redundant AND conditions.
5998 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
6001 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
6003 * cppmacro.c (stringify_arg): Null terminate strings.
6005 2001-03-27 Zack Weinberg <zackw@stanford.edu>
6007 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
6008 inclusion style. xm-m68hc11.h no longer exists.
6009 * config/m68hc11/xm-m68hc11.h: Delete file.
6010 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
6012 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
6013 Don't define GCC_VERSION, N_, or PARAMS; don't include
6014 gansidecl.h or stdio.h. Define inhibit_libc here.
6015 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6016 Delete code conditioned on #if GCC_VERSION == 2095.
6018 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
6019 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6020 Delete code conditioned on #if GCC_VERSION == 2095.
6022 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6024 * system.h: Include symcat.h.
6025 (STRINGIFY): Don't define.
6027 * configure.in: Adjust comment.
6029 * builtins.c: Use STRINGX, not STRINGIFY.
6030 * gencheck.c: Likewise.
6031 * gengenrtl.c: Likewise.
6032 * protoize.c: Likewise.
6034 * cpplex.c: Don't include symcat.h.
6035 * cpplib.c: Likewise.
6037 * gansidecl.h (HAVE_STRINGIZE): Don't define.
6039 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6041 * c-typeck.c (digest_init): Fold init expression.
6043 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6045 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
6047 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6049 * except.c (eh_regs): Save results of build_pointer_type to a temp
6050 as FUNCTION_VALUE macro may evaluate its args multiple times.
6052 2001-03-26 Mark Mitchell <mark@codesourcery.com>
6054 * c-common.h (DECL_NUM_STMTS): New macro.
6055 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
6057 (pushdecl): Likewise.
6058 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
6059 * integrate.c (expand_inline_function): Don't check
6061 * print-tree.c (print_node): Don't print it.
6062 * toplev.c (rest_of_compilation): Don't try to inline when
6063 flag_no_inline is on.
6064 * tree.h (DECL_FRAME_SIZE): Remove.
6065 (tree_decl): Adjust accordingly.
6067 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6069 * combine.c (try_combine): Use memcpy, not bcopy.
6071 * genattrtab.c (expand_units): Likewise.
6073 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6075 * i386.md (push mem DI peep2): New.
6076 (mov 0, mov -1 peep2): Handle 64bit.
6077 (lea to arithmetics peep2): Handle 64bit leas.
6078 (rsp arithmetics to push/pop peep2s): New.
6080 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
6082 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6084 * i386.c (struct machine_function): Add save_varrargs_registers.
6085 (ix86_save_varrargs_registers): New macro.
6086 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
6087 (ix86_expand_prologue): Likewise.
6088 (ix86_emit_epilogue_esp_adjustement): Likewise.
6089 (ix86_expand_epilogue): Likewise.
6090 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
6091 (pro_epilogue_adjust_stack_1): New insn.
6092 (pro_epilogue_adjust_stack_rex64): Likewise.
6093 * i386.h (MASK_NO_RED_ZONE): New constant.
6094 (TARGET_RED_ZONE): New macro.
6095 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
6096 (RED_ZONE_SIZE): New constant.
6097 (RED_ZONE_RESERVE): New constant.
6099 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6101 * toplev.c (set_float_handler): Use memcpy, not bcopy.
6103 2001-03-25 Kazu Hirata <kazu@hxi.com>
6105 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
6108 (umodhi3): Likewise.
6111 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6113 * mkconfig.sh (DEFINES): Handle entries with '='.
6115 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
6116 Set xm_defines to MACRO=value instead.
6118 * i370/xm-mvs.h: Delete.
6120 * ns32k/xm-pc532-min.h: Likewise.
6122 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6124 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
6126 use ix86_expand_binary_operator
6127 (?sh??i_?): Disable for 64bit.
6128 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
6129 * i386.c (shiftdi_operand): New predicate.
6131 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
6132 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
6133 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
6134 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
6135 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
6136 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
6137 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
6138 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
6139 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
6140 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
6141 (rotldi3, rotrdi3): New expanders.
6143 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
6145 * i386.md (movstrsi): Move offline.
6147 (strmovdi_rex64): New.
6148 (strmov?i): Accept 64bit.
6149 (strmov?i_rex64): New.
6150 (strmov?i_rex_1): New.
6151 (strmov?i_1): Disable for 64bit.
6152 (rep_mov?i_rex64): New.
6153 (rep_mov?i): Disable for 64bit.
6154 (clrstrsi): Move offline.
6155 (strset?i_rex64): New.
6156 (strset?i: Accept 64bit.
6157 (rep_stos?i): Disable for 64bit.
6158 (rep_stos?i_rex64): New.
6159 (strset?i_rex_1): New.
6160 (strset?i_1): Disable for 64bit.
6161 (cmpstrsi): Accept 64bit.
6162 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
6163 (cmpstrqi_nz_rex_1): New.
6164 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
6165 (strlensi): Move offline.
6167 (strlenqi_1): Disable for 64bit; fix constraints.
6168 (strlenqi_rex_1): New.
6169 * i386.c (ix86_adjust_counter): New static function.
6170 (ix86_zero_extend_to_Pmode): Likewise.
6171 (ix86_expand_aligntest): Likweise.
6172 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
6173 (ix86_expand_movstr): New global function.
6174 (ix86_expand_clrstr): New global function.
6175 (ix86_expand_strlen): New global function.
6176 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
6177 ix86_expand_strlen): Declare.
6178 (ix86_expand_strlensi_unroll_1): Delete.
6180 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
6182 * i386.md (cmpdi): Fix operand predicates.
6183 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
6184 cmpdi_1_insn_rex64): New patterns.
6185 (adddi3): Turn to expander.
6186 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
6187 (addsi3_carry_zext): New pattern.
6188 (adddi_?_rex64): New patterns and splitters.
6189 (addsi_?_zext): New patterns.
6190 (subsi3_carry_zext): New pattern.
6191 (subdi_?_rex64): New patterns and splitters.
6192 (iorsi_?_zext): New patterns.
6193 (iordi_?_rex64): New patterns and splitters.
6194 (iorsi_?_zext): New patterns.
6195 (iorsi_?_zext_imm): New patterns.
6196 (xorsi_?_zext): New patterns.
6197 (xordi_?_rex64): New patterns and splitters.
6198 (xorsi_?_zext): New patterns.
6199 (negdi*): New patterns.
6200 (one_cmpldi*): Likewise.
6201 (one_cmplsi*_zext, negsi*_zext): Likewise.
6202 (testqi_ext_3_rex64): New pattern.
6204 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
6206 * i386-protos.h (ix86_split_long_move): Return void.
6207 * i386.c (ix86_split_to_parts): Handle 64bit target.
6208 (ix86_split_long_move): Likewise.
6209 * i386.md (all calls to ix86_split_long_move): Update.
6211 2001-03-23 Richard Henderson <rth@redhat.com>
6213 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
6214 to avoid shadowing arguments.
6216 2001-03-23 Jakub Jelinek <jakub@redhat.com>
6218 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
6219 to variable names where DECL_NAME is different from
6220 DECL_ASSEMBLER_NAME.
6222 2001-03-23 Jim Wilson <wilson@redhat.com>
6224 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
6225 (assemble_alias): Call make_decl_rtl.
6227 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
6229 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
6231 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
6233 * extend.texi: Document the "java_interface" attribute.
6235 2001-03-22 Zack Weinberg <zackw@stanford.edu>
6237 * mkconfig.sh: Use a subshell with redirected stdout,
6238 instead of closing stdout and confusing commands that run
6239 afterward. Throw away output of cmp.
6241 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
6243 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
6245 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
6247 * i386.md (zero_extendsidi2_32): Break out from ...
6248 (zero_extendsidi2): ... here ; turn to expander.
6249 (zero_extendsidi2_rex64): New.
6250 (extendsidi2_32): Break out from ...
6251 (extendsidi2): ... here ; turn to expander.
6252 (extendsidi2_rex64): New.
6253 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
6254 (trunc?f?f splitters): Add 64bit versions.
6256 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
6258 * i386.md (pushsi, pushsi2_prologue): Disable.
6259 (pushsi2_rex64): New.
6260 (movabs?i_1_rex64, movabs?i_2_rex64): New.
6261 (movqi_ext_1): Disable for 64bit.
6262 (movqi_ext_1_rex64): New.
6263 (pushdi2_rex64): New pattern, peep2s and splitter.
6264 (pushdi2_prologue_rex64): New pattern.
6265 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
6267 (movdi splitters): Disable for 64bit.
6268 (movdi_1_rex64): New pattern, peep2s and splitters.
6269 (swapdi): New pattern.
6270 (pushsf): Disable for 64bit.
6271 (pushsf_rex64): New pattern and splitter.
6272 (pushdf_nointeger): Disable for 64bit.
6273 (pushdf_integer): Handle the 64bit case.
6274 (pushtf): Likewise; update splitters.
6276 2001-03-22 Richard Henderson <rth@redhat.com>
6278 * mkconfig.sh: Include insn-flags.h.
6279 * Makefile.in (CONFIG_H): Include insn-flags.h.
6280 (lots of objects): Remove insn-codes.h and insn-flags.h.
6282 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
6283 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
6284 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
6285 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
6286 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
6287 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
6288 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
6289 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
6290 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
6291 v850/v850.c, vax/vax.c:
6292 Don't include insn-flags.h.
6294 * diagnostic.c, expr.h, reload.c, toplev.c:
6295 Don't include insn-codes.h.
6297 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
6298 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
6299 c4x/c4x.c, i960/i960.c, mips/mips.c:
6300 Don't include insn-codes.h or insn-flags.h.
6302 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
6303 or insn-flags.h in the generated code.
6304 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
6305 (main): Forward declare struct rtx_def.
6307 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
6309 * invoke.texi (-ffast-math): Remove duplicate line about
6312 * gcc.texi: Remove more obsolete documentation of bugs and
6313 installation problems.
6315 2001-03-21 Kazu Hirata <kazu@hxi.com>
6317 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
6320 2001-03-20 Jason Merrill <jason@redhat.com>
6322 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
6324 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
6325 * varasm.c (CHKR_PREFIX): Likewise.
6327 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6329 * gcse.c (hash_scan_set): An expression is not anticipatible if it
6330 is part of a multi-SET insn.
6332 * cse.c (find_comparison_args): Remove previous change.
6333 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
6336 * config/i386/i386.md (conditional_trap): Remove warning.
6338 * recog.c (push_operand): Fix error in last change that caused
6339 undefined symbol on many targets.
6341 * sdbout.c: #include ggc.h.
6342 (sdbout_init): Move to end of file.
6343 Call ggc_add_tree_root for anonymous_types.
6344 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
6345 (sdbout_one_type): Use DECL_NAME for field name.
6346 * Makefile.in (sdbout.o): Show includes ggc.h.
6348 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
6350 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
6351 (override_options): Use properlimits for preferred_stack_boundary.
6352 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
6354 (ext_register_operand): Accept DImode.
6355 (load_pic_register): Abort on 64bit.
6356 (gen_push): Use Pmode instead of SImode.
6357 (ix86_save_reg): Pic reg is never used on 64bit.
6358 (ix86_expand_prologue): Likewise.
6359 (ix86_emit_save_regs): Use Pmode instead of SImode.
6360 (legitimate_address_p): Check displacement for 64bit.
6361 (print_operand): Avoid outputting of (%rip) on 64bit.
6362 (print_operand_address): Output (%rip) where possible.
6363 (split_di): Abort on 64bit registers.
6364 (ix86_expand_branch): DImode comparison is simple for x86_64.
6365 (memory_address_length): Recognize memory addresses formed using
6367 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
6369 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
6371 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
6373 * recog.c (push_operand): Recognize new format of push instructions.
6375 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
6377 * i386.md (pushqi1): New.
6378 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
6379 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6380 x86_64_immediate_operand, x86_64_immediate_operand,
6381 x86_64_zext_immediate_operand): Declare.
6382 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
6383 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6384 x86_64_immediate_operand, x86_64_immediate_operand,
6385 x86_64_zext_immediate_operand): define.
6386 * i386.h (PREDICATE_CODES): Add new predicates.
6388 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
6390 * i386.md (pophi1, popqi1, pushqi1): Remove.
6392 * expr.c (emit_single_push_insn): New function.
6393 (move_by_pieces): Accept NULL as destination for push instructions.
6394 (gen_push_operand): Kill.
6395 (emit_push_insn): Pass NULL when pushing; avoid updating of
6396 stack_pointer_delta.
6397 * expr.h (gen_push_operand): Kill.
6399 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6401 * rtl.texi (COMPARE): Clarify documentation and reference section
6404 2001-03-20 Stan Shebs <shebs@apple.com>
6406 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
6407 (get_object_reference): Ditto.
6408 (error_with_ivar): Use error_with_file_and_line.
6409 (warn_with_method): Use warning_with_file_and_line.
6411 2001-03-20 Tom Tromey <tromey@redhat.com>
6413 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
6415 2001-03-20 Mark Mitchell <mark@codesourcery.com>
6417 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
6418 variables that are TREE_PUBLIC, even if not TREE_STATIC.
6420 2001-03-20 DJ Delorie <dj@redhat.com>
6422 * Makefile.in (install-libgcc): Pass complete list of variables.
6423 (install-multilib): Ditto.
6425 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6427 * config/i386/cygwin.h: Declare ctor_section, dtor_section
6428 drectve_section, switch_to_section.
6430 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
6431 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
6432 i386_pe_mark_dllimport.
6434 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6436 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
6437 functions i386_pe_*.
6439 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
6440 i386_pe_* functions with char * arguments.
6442 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
6444 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
6446 (movsi_ie): Introduce fpul store.
6448 2001-03-20 Alan Modra <alan@linuxcare.com.au>
6450 * Makefile.in (OBJS): Remove hashtab.o.
6452 2001-03-19 Stan Shebs <shebs@apple.com>
6454 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
6455 * c-lang.c (maybe_objc_method_name): Ditto.
6456 * c-tree.h (maybe_objc_method_name): Remove decl.
6458 2001-03-19 Tom Tromey <tromey@redhat.com>
6460 * gcc.c (init_gcc_specs): Fix comment.
6462 2001-03-19 Mark Mitchell <mark@codesourcery.com>
6464 Compute DECL_ASSEMBLER_NAME lazily.
6465 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
6466 (DECL_ASSEMBLER_NAME_SET_P): New macro.
6467 (SET_DECL_ASSEMBLER_NAME): Likewise.
6468 (COPY_DECL_ASSEMBLER_NAME): Likewise.
6469 (set_decl_assembler_name): Declare.
6470 (lang_set_decl_assembler_name): Likewise.
6471 * tree.c (lang_set_decl_assembler_name): New variab.e
6472 (set_decl_assembler_name): New function.
6473 (init_obstacks): Set lang_set_decl_assembler_name.
6474 (build_decl): Don't set DECL_ASSEMBLER_NAME.
6475 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
6476 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
6477 where it's not necessary.
6478 (builtin_function): Likewise.
6479 (finish_decl): Likewise.
6480 * dbxout.c (dbxout_type_methods): Likewise.
6481 * ggc-common.c (ggc_mark_trees): Likewise.
6482 * profile.c (output_func_start_profiler): Likewise.
6483 * varasm.c (make_decl_rtl): Likewise.
6485 * cse.c (find_comparison_args): Update documentation. Fix
6486 mishandling of COMPARE operations.
6488 * tree.def (ABS_EXPR): Add documentation.
6489 * fold-const.c (fold): Improve folding of ABS_EXPRs.
6491 2001-03-19 Zack Weinberg <zackw@stanford.edu>
6493 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
6495 2001-03-19 Jakub Jelinek <jakub@redhat.com>
6497 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
6498 Remove ia32 linux PIC kludge and move it...
6499 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
6501 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
6503 * i386.md (absdf2 expander): Fix 64bit case.
6505 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
6507 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
6509 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
6511 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
6513 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6515 * README.X11: Remove obsolete file.
6517 2001-03-18 Anthony Green <green@redhat.com>
6519 * config/pj/pj.h: Remove some trailing commas.
6520 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
6522 2001-03-18 Richard Henderson <rth@redhat.com>
6524 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
6525 * calls.c: ... here.
6526 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
6527 defaults for them here.
6529 2001-03-17 Anthony Green <green@redhat.com>
6531 * config/pj/lib1funcs.S: Fix broken comment.
6532 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
6535 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
6537 * gcc.texi: Remove obsolete information relating to build and
6538 installation problems with enquire or the Pyramid C compiler.
6540 2001-03-17 Richard Henderson <rth@redhat.com>
6542 * dwarf2out.c (queue_reg_save): New.
6543 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
6544 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
6546 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
6547 (cfa, cfa_store, cfa_temp): Make static.
6548 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
6550 2001-03-17 Richard Henderson <rth@redhat.com>
6552 * integrate.h (struct inline_remap): Add local_return_label.
6553 * integrate.c (expand_inline_function): Initialize it and emit
6554 it after copy_insn_notes.
6555 (copy_insn_list): Don't store local_return_label here.
6556 (copy_insn_notes): New function split out from copy_insn_list.
6558 2001-03-17 Richard Henderson <rth@redhat.com>
6560 * dwarf2out.c (lookup_filename): Emit .file if the assembler
6561 is generating .debug_line.
6562 (dwarf2out_init): Add main_input_filename to the file table first.
6563 * configure.in (as_dwarf2_debug_line): Test with file number 1
6564 instead of file number 0.
6566 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6568 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
6569 (gen_rtx_combine): Deleted; all references changed as appropriate.
6570 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
6572 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
6574 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
6576 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
6579 2001-03-16 Jim Wilson <wilson@redhat.com>
6581 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
6582 then set it to LOC_REG (79) instead of aborting.
6584 2001-03-16 Phil Edwards <pme@sources.redhat.com>
6586 * gccbug.in: Remove high priority.
6588 2001-03-16 Richard Henerson <rth@redhat.com>
6590 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
6591 output with a space instead of deleting it.
6592 * configure: Regenerate.
6594 2001-03-16 Zack Weinberg <zackw@stanford.edu>
6596 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
6597 handles the gory details of converting an object file into
6598 something that's safe to grep.
6599 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
6600 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
6601 newlines at either end of the string we're looking for.
6602 Make 'checking ...' message less stilted.
6603 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
6604 ARM in-memory layout and its hypothetical converse. Don't
6605 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
6606 HOST_WORDS_BIG_ENDIAN.
6608 * configure.in: Adjust for renamed macro. Move
6609 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
6610 * configure, config.in: Regenerate.
6612 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6614 * fixinc/Makefile.in: Set SHELL.
6616 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6618 * fixinc/fixincl.c (fix_with_system): Quote file names before
6619 passing them to shell.
6621 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6623 * Makefile.in: Use fix-header$(build_exeext) instead
6626 2001-03-16 Richard Henderson <rth@redhat.com>
6628 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
6629 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
6630 (size_of_line_prolog): Remove.
6631 (output_line_info): Compute prologue size via label difference.
6632 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
6634 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
6635 assembler error when redefining file numbers.
6636 * config.in, configure: Rebuild.
6638 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
6639 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
6640 (dw2_asm_output_delta_uleb128): Likewise.
6641 (dw2_asm_output_delta_sleb128): Similarly.
6642 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
6644 2001-03-16 Michael Meissner <meissner@redhat.com>
6646 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
6648 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
6650 (BITMASK_LOWER16): Replacement for 0x0000ffff.
6652 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
6653 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
6654 being unsigned in ISO C and signed in traditional.
6655 (expand_prologue): Ditto.
6656 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
6658 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
6660 (divsi3,divdi3): Ditto.
6661 (modsi3,moddi3): Ditto.
6662 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
6663 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
6664 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
6667 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
6669 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
6670 SSE based conditional moves on LTGT/UNEQ conditions;
6671 Canonicalize EQ to NE.
6672 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
6673 (sse_mov?fcc_ne): New.
6675 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
6677 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6679 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
6680 register may be dead.
6682 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
6684 * Makefile.in (hash.o): Depend on CONFIG_H.
6686 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6688 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
6690 2001-03-15 Richard Henderson <rth@redhat.com>
6692 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
6693 (ASM_OUTPUT_DWARF_PCREL): New.
6694 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
6696 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6698 * cppfiles.c (stack_include_file): Use MAX of sysp.
6700 2001-03-15 Steve Ellcey <sje@cup.hp.com>
6702 * config.gcc (ia64*-*-hpux*): New case.
6703 * config/ia64/hpux.h: New file for HP-UX support.
6704 * config/ia64/t-hpux: New file for HP-UX support.
6706 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
6708 * fixinc/inclhack.def (irix_stdio_va_list): New.
6709 * fixinc/fixincl.x: Rebuilt.
6711 2001-03-15 Richard Henderson <rth@redhat.com>
6713 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
6714 if provided by the target.
6715 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
6716 (dw2_asm_output_addr): New.
6717 * dwarf2asm.h (dw2_asm_output_addr): Declare.
6718 * dwarf2out.c (output_cfi): Use it for program addresses.
6719 (output_call_frame_info, output_die): Likewise.
6720 (output_aranges, output_line_info): Likewise.
6722 2001-03-15 Bruce Korb <bkorb@gnu.org>
6724 * gcc.c(main): make more rigorous
6725 * collect2.c(main): guard against ignoring SIGCHLD
6726 * protoize.c(main): ditto
6727 * gcc/fixinc/fixincl.c(initialize): ditto
6729 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6731 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
6732 (sdbout_parms): Likewise.
6734 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
6736 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
6737 "widen" a destination that is already wider than a word. Also do
6738 not widen if LOAD_EXTEND_OP is NIL for the given mode.
6740 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6742 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
6744 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
6746 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
6748 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
6750 * i960.h (i960_maxbitalignment,
6751 i960_last_maxbitalignment): Declare.
6752 * i960.c (i960_maxbitalignment,
6753 i960_last_maxbitalignment): Make global.
6754 (process_pragma): Delete.
6755 (i960_pr_align, i960_pr_noalign): Move from here ...
6756 * i960-c.c: ... to this new file.
6757 * t-960bare (i960-c.o): New rule.
6758 * t-vxworks960 (i960-c.o): Likewise.
6759 * config.gcc (i960-*-*): Define c_target_objs and
6762 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6764 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
6765 without adding in rtx code and mode.
6767 * alias.c (init_alias_analysis): Don't use any rtx whose value
6768 varies as a known value.
6769 Delete a superfluous test.
6771 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
6773 (ia64_sched_reorder): Call maybe_rotate; also rotate after
6774 scheduling a stop bit.
6775 (ia64_emit_nops): Correctly handle ASMs.
6777 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6779 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
6781 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
6783 * cpp.texi: Update documentation for -include and -imacros.
6784 * cppfiles.c (struct include_file): Remove "defined" memeber.
6785 (find_or_create_entry): Make a copy of the file name, and
6787 (open_file): Update to ensure we use the simplified filename.
6788 (stack_include_file): Don't set search_from.
6789 (cpp_included): Don't simplify the path name here.
6790 (find_include_file): New prototype. Call search_from to
6791 get the start of the "" include chain. Don't simplify the
6793 (_cpp_execute_include): New prototype. Move diagnostics to
6794 do_include_common. Update.
6795 (_cpp_pop_file_buffer): Don't set defined.
6796 (search_from): New prototype. Use the preprocessor's cwd
6797 for files included from the command line.
6798 (read_name_map): Don't simplify the pathname here.
6799 * cpphash.h (enum include_type): New.
6800 (struct buffer): Delete search from. New search_cached.
6801 (_cpp_execute_include): Update prototype.
6802 * cppinit.c (do_includes): Use _cpp_execute_include.
6803 * cpplib.c (do_include_common): New function.
6804 (do_include, do_include_next, do_import): Use it.
6806 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6808 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
6809 contents of the RTL, to determine the name of the object.
6811 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6813 * tree.h (DECL_RTL): Allocate RTL lazily.
6814 (SET_DECL_RTL): New macro.
6815 (DECL_RTL_SET_P): Likewise.
6816 (COPY_DECL_RTL): Likewise.
6817 (DECL_RTL_IF_SET): Likewise.
6818 * varasm.c (make_decl_rtl): Add assertions about the kind of
6819 declaration we are processing.
6820 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
6821 (start_decl): Likewise.
6822 (finish_decl): Likewise.
6823 * c-semantics.c (emit_local_var): Likewise.
6824 * calls.c (expand_call): Likewise.
6825 * dbxout.c (dbxout_symbol): Likewise.
6826 * emit-rtl.c (unshare_all_rtl): Likewise.
6827 (unshare_all_decls): Likewise.
6828 (reset_used_decls): Likewise.
6829 * expr.c (store_constructor): Likewise.
6830 (safe_from_p): Likewise.
6831 (expand_expr): Likewise.
6832 * function.c (put_var_into_stack): Likewise.
6833 (instantiate_decls_1): Likewise.
6834 (assign_parms): Likewise.
6835 (expand_function_start): Likewise.
6836 (expand_function_end): Likewise.
6837 * ggc-common.c (gcc_mark_trees): Likewise.
6838 * integrate.c (function_cannot_inline_p): Likewise.
6839 (copy_decl_for_inlining): Likewise.
6840 (expand_inline_function): Likewise.
6841 (integrate_parm_decls): Likewise.
6842 (integrate_decl_tree): Likewise.
6843 * print-tree.c (print_node): Likewise.
6844 * reg-stack.c (stack_result): Likewise.
6845 * stmt.c (label_rtx): Likewise.
6846 (expand_return): Likewise.
6847 (expand_decl): Likewise.
6848 (expand_decl_cleanup): Likewise.
6849 (expand_anon_union_decl): Likewise.
6850 * toplev.c (check_global_declarations): Likewise.
6851 (rest_of_decl_compilation): Likewise.
6852 * tree.c (simple_cst_equal): Likewise.
6853 * objc/objc-act.c (generate_static_references): Likewise.
6855 2001-03-14 Zack Weinberg <zackw@stanford.edu>
6857 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
6858 gcc_AC_C_FLOAT_FORMAT): New macros.
6859 * configure.in: Add AC_PROG_CPP after CC tests;
6860 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
6861 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
6862 * configure, config.in: Regenerate.
6864 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
6865 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6866 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6867 config/i370/xm-linux.h, config/i370/xm-oe.h,
6868 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6869 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
6870 config/pa/xm-linux.h, config/pa/xm-pa.h,
6871 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
6872 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
6873 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
6874 config/we32k/xm-we32k.h: Delete.
6876 * config/i370/xm-mvs.h, config/m88k/m88k.h,
6877 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6878 config/vax/xm-vms.h: Don't define any of:
6879 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
6881 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
6883 * config.gcc: Remove references to deleted files.
6884 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
6885 FATAL_EXIT_CODE, which is the same between oe and mvs).
6887 2001-03-14 DJ Delorie <dj@redhat.com>
6888 Vladimir Makarov <vmakarov@redhat.com>
6890 * config/i960/i960.c (i960_function_prologue): Compute size of
6891 frame according to number of registers actually saved there.
6893 2001-03-14 Richard Henderson <rth@redhat.com>
6895 * expr.c (emit_move_insn_1): Fix else if around #endif.
6897 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
6900 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
6903 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
6905 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
6906 (override_options): Parse cmodel string.
6907 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
6908 * i386.h (TARGET_OPTIONS): Add "cmodel".
6909 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
6911 (ix86_cmodel_string, ix86_cmodel): Declare.
6913 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
6916 * i386.h (GENERAL_REG_P): Add missing REG_P.
6918 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
6920 * configure.in: Use $gcc_cv_as instead of $as.
6921 * configure: Regenerated.
6923 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
6925 * cppfiles.c (stack_include_file): Only increase the include
6926 count if we actually process the file properly, as opposed
6927 to treating it as length zero. Only call read_include_file
6928 if not DO_NOT_REREAD. Handle the -H include file output
6930 (read_include_file): Remove now redundant DO_NOT_REREAD check.
6931 (cpp_included, find_include_file): Simplify pathnames after
6932 remapping them. If remapping, don't use the remapped file
6933 name's buffer as our scratch buffer.
6934 (cpp_pop_file_buffer): Replace the multiple include macro
6935 only if it isn't yet set.
6936 (read_name_map): Simplify remapped names when reading in.
6937 (remap_filename): Move code to code path that uses it.
6938 (_cpp_simplify_pathname): Return the input pointer.
6939 * cpphash.h (_cpp_simplify_pathname): Update prototype.
6941 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6943 * expr.c (expand_expr): Revove bogus conditional.
6945 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
6947 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
6949 2001-03-14 Jakub Jelinek <jakub@redhat.com>
6951 * reg-stack.c (stack_result): Unconditionally use
6952 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
6954 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
6956 * expr.c (emit_move_insn_1): Split push of complex value when
6957 no suitable push instruction exist.
6959 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
6960 instead of QI_REG_P.
6962 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6964 * alias.c (handled_component_p, can_address_p): New functions.
6965 (get_alias_set): Use them.
6967 2001-03-13 Jim Wilson <wilson@redhat.com>
6969 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
6970 from 80 in try_locals code.
6971 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
6973 2001-03-13 Zack Weinberg <zackw@stanford.edu>
6975 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
6976 gcc_AC_C_LONG_LONG): New.
6977 * configure.in: Use them. Probe the size of short, int, long,
6978 and long long/__int64 if we have them. Move all the AC_C_*
6979 checks together, except gcc_AC_C_CHAR_BIT which has to go
6980 after AC_CHECK_HEADERS(limits.h).
6981 Take hwint.h out of host_xm_file and build_xm_file.
6983 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
6984 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
6985 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
6986 Move the HOST_WIDEST_INT setup logic here from system.h.
6987 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
6989 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
6990 is now handled by hwint.h.
6992 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
6993 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
6994 config/ia64/xm-ia64.h: Don't define any of:
6995 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
6996 HOST_BITS_PER_LONGLONG.
6998 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
6999 config/h8300/xm-h8300.h, config/mips/iris6.h,
7000 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
7001 config/sparc/xm-sp64.h: Delete.
7002 * config.gcc: Remove references to deleted files.
7004 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
7005 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
7006 * config/i370/xm-linux.h: Clarify floating-point situation in
7009 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
7011 * cppfiles.c (NO_INCLUDE_PATH): New macro.
7012 (find_include_file): Decide here which part of the include
7013 chain to start the search. Complain about an empty include
7014 chain in all cases apart from an abolsute file name.
7015 (_cpp_execute_include): Don't choose the search chain here.
7016 Don't call handle_missing_include in the case of an empty
7018 (_cpp_compare_file_date): Don't choose the search chain here.
7019 * cpplib.c (do_include_next): Move the in-main-file diagnostic
7020 here from _cpp_execute_include. Behave like #include if
7021 we're in the main file.
7023 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7025 * system.h (malloc, realloc, calloc, strdup): Only poison these
7026 tokens when IN_GCC is defined.
7028 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
7030 * i386.md (abs?f expander): Support SSE case.
7031 (abd?f_if): Add new "USE"; add splitters.
7033 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7035 * cpp.texi (poison): Explain the macro expansion exception.
7037 2001-03-13 Jakub Jelinek <jakub@redhat.com>
7039 * expr.c (store_expr): Add dont_store_target. If temp is already in
7040 target before copying to reg, don't store it into target again.
7042 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7044 * cppinternals.texi: Update for file handling.
7046 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7048 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
7049 2001-02-24 which broke building the Java library.
7050 * function.c (identify_blocks): Likewise.
7051 (all_blocks): Likewise.
7052 * integrate.c (integrate_decl_tree): Likewise.
7053 * print-tree.c (print_node): Likewise.
7054 * tree.h (BLOCK_NUMBER): Likewise.
7055 (struct tree_block): Likewise.
7057 2001-03-12 David Edelsohn <edelsohn@gnu.org>
7059 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
7060 __WCHAR_TYPE__ definition.
7061 (WCHAR_TYPE_SIZE): #undef before #define.
7063 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7065 * cppfiles.c: Update comments.
7066 (destroy_include_file_node): Rename destroy_node.
7067 (find_or_create_entry): New function.
7068 (open_file, _cpp_fake_include): Use it.
7069 (handle_missing_header): New function, broken out of
7070 _cpp_execute include. Don't segfault if there is no
7071 system or quoted path.
7072 (_cpp_execute_include): Use handle_missing_header.
7074 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7076 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
7077 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
7079 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7081 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
7082 unless anti_dependence says they are.
7083 * alias.c (objects_must_conflict): If neither has a type specified,
7086 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7087 David Billinghurst <David.Billinghurst@riotinto.com>
7089 * config/mips/iris5.h: Change WCHAR_TYPE to int.
7091 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
7093 * i386.md (trunctfdf2_2): Rename missnamed pattern.
7094 (*_one_bit): Remove type on the match_operand in attributes.
7096 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
7098 * i386.c: Commit forgotten hunk in previous patch.
7099 (regclass_map): Add extended registers.
7100 (dbx_register_map): Add missing frame register.
7102 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
7104 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
7106 * i386.md (x86_sahf_1): Disable for 64bit.
7107 (popsi*, pophi*): Likewise.
7108 (pushqi, pushhi): Likewise.
7109 (movdi, pushdi): Likewise.
7110 (zero extend DImode splitter): Likewise.
7111 (adddi, minusdi splitter): Likewise.
7112 (umulsidi): Likewise.
7114 (mulsidi): Disable for 64bit
7115 (lshift:DI/ashift:DI): Disable for 64bit.
7116 (loop patterns): Likewise.
7117 (call_pop, call_value_pop expanders and patterns): Likewise.
7118 (prologue_get_pc): Likewise.
7120 (fcmovDI pattern and splitter): Likewise.
7121 (movdfcc_1_rex64): New.
7123 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
7125 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
7126 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
7127 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
7128 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
7129 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
7130 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
7131 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
7132 (PUSH_ROUNDING): x86_64 rounds to 64bits.
7133 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
7134 (REGPARM_MAX): Set to 6 for x86_64.
7135 (SSE_REGPARM_MAX): Set to 16 for x86_64.
7136 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
7139 * (patterns that does use upper halves): Update constraints
7140 'q' to 'Q' and 'r' to 'R'.
7141 (cmpqi_ext_1): Disable for 64bit.
7142 (cmpqi_ext_3_insn): Likewise.
7143 (movqi_extzv_1): Likewsie.
7144 (addqi_ext_1): Liekwsie
7145 (testqi_ext_1): Liekwsie
7146 (andqi_ext_1): Liekwsie
7147 (xorqi_ext_1): Liekwsie
7148 (cmpqi_ext_1_rex64): New.
7149 (cmpqi_ext_3_insn_rex64): Likewise.
7150 (movqi_extzv_1_rex64): Likewsie.
7151 (addqi_ext_1_rex64): Liekwsie
7152 (testqi_ext_1_rex64): Liekwsie
7153 (andqi_ext_1_rex64): Liekwsie
7154 (xorqi_ext_1_rex64): Liekwsie
7156 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7158 * configure.in: Move check for unsigned enumerated bitfields
7159 to macro in aclocal.m4. Disable it for now.
7160 * configure, config.in: Regenerate.
7161 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
7162 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
7163 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
7164 kind above its first use.
7166 * config/xm-interix.h, config/alpha/xm-alpha.h,
7167 config/i370/xm-linux.h, config/i386/xm-beos.h,
7168 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
7169 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7170 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
7171 Don't define ONLY_INT_FIELDS under any circumstances.
7173 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
7175 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7176 config/sparc/xm-sysv4.h: Delete - now identical with some
7178 * config.gcc (hppa targets): Replace xm-pahpux.h and
7179 xm-papro.h with implicit xm-pa.h.
7180 (sparc targets): Replace xm-sysv4.h with implicit or explicit
7183 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
7185 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
7186 before reload_cse_noop_set_p.
7188 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7190 * config.gcc: Where xm-host.h used to include another
7191 xm-host.h, list the nested header directly in xm_file. Remove
7192 references to deleted files. Can now use sparc/xm-sp64.h for
7195 * config/xm-linux.h, config/arm/xm-linux.h,
7196 config/i386/xm-dos.h, config/i386/xm-gnu.h,
7197 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
7198 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
7199 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
7200 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
7203 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
7204 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
7205 bother to wrap #undef in #ifdef.
7206 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
7207 Don't include xm-linux.h.
7208 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
7210 * configure.in: Wrap regexps using [] in changequote block.
7211 Use expr : not echo | grep. Simplify regexps.
7212 * configure: Regenerate.
7214 56 xm-files remain, 22 xm-arch.
7216 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7218 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
7219 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7220 (local_index, local_rindex): Delete, use strchr/strrchr instead.
7221 (copy_object): Fix format specifier vs argument mismatch.
7223 * mips-tdump.c: Make local functions static.
7224 (rindex): Don't #undef.
7225 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7226 (fatal, fancy_abort): Delete.
7227 (read_seek): Avoid signed/unsigned compare.
7229 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7231 * combine.c (try_combine): Fix error in change to try original
7233 (gen_rtx_combine): Do same as gen_rtx for now.
7235 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7237 * configure.in: AC_SUBST xm_defines.
7238 * configure: Regenerate.
7239 * Makefile.in: Set DEFINES=$(xm_defines) when building
7242 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
7244 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
7245 (cpp_included, find_include_file): Update.
7246 (_cpp_compare_file_date): Make else unconditional.
7248 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
7250 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
7252 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
7254 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
7255 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
7257 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
7259 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
7260 if it's a record type.
7262 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
7264 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
7265 mingw includes slightly.
7267 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7269 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
7270 #undef token before poisoning it.
7272 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7274 * alpha.c (check_float_value): Use memcpy, not bcopy.
7276 * m32r.c (m32r_sched_reorder): Likewise.
7278 * vax.c (check_float_value): Likewise.
7280 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7282 * toplev.c (file_name_nondirectory): Remove.
7283 * toplev.h: Similarly.
7284 * dwarf2out.c (compute_section_prefix): Use lbasename instead
7285 of file_name_nondirectory.
7287 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7289 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
7290 * mips-tfile.c: Don't #undef rindex; not used.
7292 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
7294 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
7295 (dbx64_register_map): Declare.
7296 (RETURN_ADDR_RTX): Fix for 64bit.
7297 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
7298 (INCOMING_FRAME_SP_OFFSET): Set to 8.
7299 * i386.c (dbx64_register_map): New global array.
7300 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
7301 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
7304 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7306 * cppfiles.c (search_from): Use lbasename.
7307 * mkdeps.c (deps_add_default_target): Use lbasename.
7309 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7311 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
7312 xcalloc in lieu of malloc, realloc & calloc.
7314 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
7316 * gengenrtl.c (xmalloc): Likewise.
7318 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
7319 really_call_* memory allocation routines.
7321 * stmt.c (check_for_full_enumeration_handling): Use
7322 really_call_calloc, not calloc.
7324 * system.h (really_call_malloc, really_call_calloc,
7325 really_call_realloc): Define.
7326 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
7328 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
7330 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
7332 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
7334 * configure: Rebuilt.
7335 * configure.in: Only use `lang_requires' for languages athat are
7338 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
7340 * invoke.texi: Fix typo.
7341 * gcc.1: Regenerate.
7343 2001-03-09 Zack Weinberg <zackw@stanford.edu>
7345 * configure.in: Prune nonexistent files from build_xm_file,
7346 xm_file, and host_xm_file lists. Warn unless they're
7348 Don't generate *config.h here.
7349 AC_SUBST all variables needed to generate *config.h.
7350 * configure: Regenerate.
7351 * mkconfig.sh: New helper script, from code removed from
7353 * Makefile.in: Zap all MALLOC variables - no longer used
7354 anywhere, and malloc.c doesn't exist.
7355 Substitute in variables needed to generate *config.h.
7356 Stop lying about the dependencies contained in CONFIG_H and
7358 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
7359 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
7360 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
7361 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
7362 $(TM_P_H), etc. as appropriate.
7364 * config.gcc: Zap references to deleted files.
7365 * ggc-none.c: Don't include rtl.h or tm_p.h.
7367 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
7368 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
7369 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
7370 config/i386/xm-linux.h, config/i386/xm-linux.h,
7371 config/i386/xm-next.h, config/i386/xm-openbsd.h,
7372 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
7373 Don't include i386/xm-i386.h.
7375 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
7376 config/i386/xm-i386.h, config/i860/xm-i860.h,
7377 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
7378 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7379 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
7380 Delete (empty except comments, #includes of other deleted
7381 files, and macros used nowhere).
7383 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
7385 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
7386 independent on TARGET_FLAGS.
7388 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
7390 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
7392 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
7394 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
7396 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
7397 LAST_REX_SSE_REG): define.
7398 (enum reg_class): Add 'LEGACY_REGS'
7399 (REG_CLASS_CONTENTS): Likewise; add extended registers.
7400 (SSE_REGNO_P): Recognize extended registers.
7401 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
7402 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
7403 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
7404 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
7405 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
7406 REG_OK_FOR_STRREG_P): Remove.
7407 (HI_REGISTER_NAMES): Add extended registers.
7408 (ADDITIONAL_REGISTER_NAMES): Likewise.
7409 (QI_REGISTER_NAMES): Add 8bit extended registers.
7410 (DEBUG_REG): Support extended registers.
7411 * i386.c (regclass_map): Add extended registers.
7412 (dbx_register-map): Likewise.
7413 (svr4_dbx_register_map): Likewise.
7414 (print_reg): Support extended registers.
7415 (print_operand): Support 64bit operands.
7417 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
7419 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
7420 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7421 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
7422 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
7423 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
7424 STACK_BOUNDARY): Set properly for 64bits.
7425 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
7426 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
7427 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
7428 (MOVE_MAX): Set to 16.
7429 (MOVE_MAX_PIECES): 8 for 64bit.
7430 (Pmode): Set to SImode.
7432 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
7434 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
7436 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
7438 * i386.h (mask_64bit): New constant.
7439 (target_64bit): New macro.
7440 (target_options): Add '64'/'32'
7441 (target_default): Define.
7442 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
7443 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
7444 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
7446 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
7448 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
7450 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
7452 * rtlanal.c (rtx_varies_p): Check operand 0 of a
7453 LO_SUM unless for_alias is set.
7455 2001-03-08 Stan Shebs <shebs@apple.com>
7457 * objc/objc-act.c: Fix old typos in comments, add comments for
7459 (hash_init): Fix file name in error message.
7460 (hash_enter): Ditto.
7461 (hash_add_attr): Ditto.
7462 (continue_class): Ditto.
7464 2001-03-08 Bruce Korb <bkorb@gnu.org>
7466 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
7467 wait4() can receive the signal.
7469 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7471 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
7473 * fixinc/fixincl.x: Regenerate.
7475 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7477 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
7479 * fixinc/fixincl.x: Regenerate.
7481 2001-03-08 Richard Henderson <rth@redhat.com>
7483 * configure.in (HAVE_AS_LEB128): New assembler check.
7484 * configure, config.in: Rebuilt.
7486 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
7488 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
7491 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7493 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
7494 references to the MAXPATHLEN macro.
7496 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
7497 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
7500 * config/i386/xm-gnu.h, config/xm-gnu.h,
7501 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
7502 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
7503 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
7504 and/or unused files.
7506 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
7507 doing so in various xm-*.h files.
7509 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7511 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
7513 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
7515 * configure.in (enable_shared): Support per-package shared-library
7517 * configure: Rebuilt.
7519 2001-03-07 David Edelsohn <edelsohn@gnu.org>
7521 * rs6000.md (cr logic): Add original POWER mnemonic alternative
7522 for crnot. Set operands[5] in splitter.
7524 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7526 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
7527 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
7528 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
7529 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
7530 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
7531 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
7532 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
7535 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
7536 config/i370/xm-i370.h, config/i386/xm-dgux.h,
7537 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
7538 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
7539 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
7540 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
7541 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
7542 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
7543 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
7544 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
7545 Delete unused and/or empty files.
7547 * config.gcc: Define USG in xm_defines as appropriate. Define
7548 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
7549 macro. Remove deleted xm-* files from $xm_files variable.
7551 2001-03-07 Tom Tromey <tromey@redhat.com>
7553 * configure: Rebuilt.
7554 * configure.in: Allow config-lang.in to set `lang_requires' to list
7555 of other required languages.
7557 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
7559 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
7561 (output_prologue): Use xmalloc not oballoc.
7562 (output_epilog): Free a29k_first_epilogue_insn when finished.
7563 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
7565 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
7567 * builtins.c (expand_builtin_mathfn): Check
7568 flag_unsafe_math_optimizations, not flag_fast_math.
7569 (expand_builtin): Likewise
7570 * combine.c (combine_simplify_rtx): Likewise.
7571 (simplify_if_then_else): Likewise.
7572 * cse.c (fold_rtx): Likewise.
7573 * flags.h: Remove flag_fast_math. Add
7574 flag_unsafe_math_optimizations and flag_trapping_math.
7575 * fold-const.c (negate_expr): Check
7576 flag_unsafe_math_optimizations, not flag_fast_math.
7577 (invert_truthvalue): Likewise.
7578 (fold): Likewise. Before associating operands, check that
7579 code == MULT_EXPR, not code != MULT_EXPR.
7580 * ifcvt.c (noce_try_minmax): Check
7581 flag_unsafe_math_optimizations, not flag_fast_math.
7582 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
7583 * invoke.texi: Document -funsafe-math-optimizations and
7584 -fno-trapping-math. Change documentation for -ffast-math.
7585 * jump.c (reversed_comparison_code_parts): Likewise.
7586 (rtx_equal_for_thread_p): Likewise.
7587 * optabs.c (emit_conditional_move): Likewise.
7588 * simplify-rtx.c (simplify_binary_operation): Likewise.
7589 (simplify_relational_operation): Likewise.
7590 (simplify_ternary_operation): Likewise.
7591 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
7592 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
7593 Add trapping-math and unsafe-math-optimizations entries to f_options.
7594 (set_fast_math_flags): New, sets flags for -ffast-math.
7595 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
7596 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
7597 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
7599 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
7600 (alpha_emit_conditional_move): Initialize local_fast_math to
7601 flag_unsafe_math_optimizations, not flat_fast_math.
7602 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
7603 instead of setting flag_fast_math to 1.
7604 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
7606 * config/i386/i386.c (override_options): Likewise
7607 * config/i386/i386.md: Likewise.
7608 * config/m68k/m68k.md: Likewise.
7609 * config/mips/mips.md: Likewise.
7610 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
7611 (rs6000_generate_compare): Likewise.
7613 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7615 * Makefile.in: Set RANLIB to @RANLIB@.
7618 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7620 * fixinc/inclhack.def (djgpp_wchar_h): New test.
7621 * fixinc/fixincl.x: Regenerated.
7623 2001-03-07 Richard Henderson <rth@redhat.com>
7625 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
7627 2001-03-07 Richard Henderson <rth@redhat.com>
7629 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
7630 of block notes and exception handling notes.
7632 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
7633 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
7634 (compile_file): ... here.
7636 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7638 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
7640 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
7641 config.h now. Include libiberty.h to handle alloca.
7643 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7645 * c-parse.in (yylexname): New function, split out of _yylex.
7646 (objc_rid_sans_at): New table.
7647 (init_reswords): Initialize it.
7648 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
7649 retrieving the next token and checking it for significance as
7650 an ObjC keyword or string constant.
7652 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
7653 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
7655 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
7658 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
7660 * config/m68k/m68k.c (const_uint32_operand): Accept any
7661 const_int on a 32-bit host.
7663 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
7665 * objc/objc-act.c (init_objc): Set save_lang_status,
7666 restore_lang_status, and mark_lang_status.
7668 2001-03-06 Krister Walfridsson <cato@df.lth.se>
7670 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
7672 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
7674 * cppinternals.texi: Update.
7676 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7678 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7679 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
7680 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
7681 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7682 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
7683 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7684 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
7685 config/i386/xm-i386.h, config/i860/xm-i860.h,
7686 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7687 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
7688 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7689 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7690 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7691 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7692 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
7693 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7694 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
7695 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7696 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7697 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
7698 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
7699 match the defaults provided in hwint.h.
7701 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7702 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
7704 * config.gcc (xm_file): Don't set to files which are deleted.
7706 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
7707 guard this file against these macros being undefined.
7709 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7711 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
7712 and DECL_DEFER_OUTPUT on the decl we create, before calling
7713 rest_of_decl_compilation.
7715 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7717 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
7719 * configure, config.in: Regenerate.
7720 * config.gcc: Remove references to deleted files.
7722 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
7723 genrecog.c, rtl.c: Do not use alloca anywhere.
7725 * Makefile.in, build-make, system.h, config/x-interix,
7726 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
7727 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
7728 config/arc/xm-arc.h, config/arm/xm-arm.h,
7729 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7730 config/h8300/xm-h8300.h, config/i370/x-oe,
7731 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
7732 config/i386/x-ncr3000, config/i386/x-sco5,
7733 config/i386/xm-dgux.h, config/i860/x-sysv4,
7734 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
7735 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
7736 config/m68k/x-hp320g, config/m69k/x-mot3300,
7737 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
7738 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
7739 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
7740 config/m88k/x-sysv4, config/m88k/x-tekXD88,
7741 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7742 config/mips/x-iris, config/mips/x-iris3,
7743 config/mips/x-sni-svr4, config/mips/x-sysv,
7744 config/mips/xm-iris6.h, config/mips/xm-mips.h,
7745 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
7746 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
7747 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7748 config/pa/xm-papro.h, config/romp/xm-romp.h,
7749 config/rs6000/x-aix31, config/rs6000/x-aix41,
7750 config/rs6000/x-beos, config/rs6000/x-lynx,
7751 config/rs6000/x-mach, config/rs6000/x-rs6000,
7752 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
7753 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7754 config/sparc/x-sysv4, config/sparc/xm-linux.h,
7755 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
7756 config/vax/xm-vms.h: Eradicate all references to alloca and
7759 * config/xm-alloca.h, config/clipper/x-clix,
7760 config/i386/xm-sysv4.h, config/i860/x-fx2800,
7761 config/i860/x-sysv3, config/m88k/x-sysv3,
7762 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
7763 (contained only alloca related hacks).
7765 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
7768 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
7770 * invoke.texi: Document __FAST_MATH__.
7772 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7774 * crtstuff.c: Restore include of auto-host.h.
7776 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
7778 Put main() in a separate file, so that the language
7779 front-end can use a different main().
7782 * toplev.c: (main): Rename as toplev_main.
7783 * toplev.h: Declare toplev_main.
7784 * Makefile.in (OBJS): add toplev.o.
7785 (BACKEND): remove toplev.o, add main.o.
7787 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7789 * cppfiles.c (search_from): Special case the empty string.
7791 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7793 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
7794 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
7795 strlen or strcpy; we already know the length.
7796 (_cpp_compare_file_date): Similarly.
7797 * cpphash.h (struct cpp_reader): Delete done_initialising.
7798 (CPP_PREV_BUFFER): Delete.
7799 * cppinit.c (cpp_start_read): Don't set done_initialising.
7800 * cpplex.c (parse_string): Guarantee null-termination.
7801 (_cpp_equiv_toklists): Remove.
7802 * cpplib.c (glue_header_name): Null-terminate.
7803 (do_line): Don't leak memory.
7804 * cpplib.h (BT_WEAK): Delete.
7805 * cppmain.c (cb_ident): Strings are now null-terminated.
7807 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
7809 * gcc.c (convert_filename): Append executable suffix
7810 if NO_AUTO_EXE_SUFFIX is not defined.
7811 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
7812 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
7814 2001-03-03 David O'Brien <obrien@FreeBSD.org>
7816 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7817 * c-parse.gperf, c-gperf.h: Delete.
7818 (c-gperf.h was accidently re-added to the CVS repo in the rev
7819 1.16 commit by tromey)
7821 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7823 * cpplex.c (_cpp_lex_token): Don't warn about directives in
7824 macro arguments when looking for the '('.
7825 * cppmacro.c (funlike_invocation_p): Set parsing_args to
7826 2 when really parsing arguments; 1 when looking for '('.
7827 Always restore the lexer position.
7829 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7831 * longlong.h (umul_ppmm): Don't use a multiline string.
7833 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
7835 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
7836 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
7837 t_bool in declaration because pcc can't combine volatile with typedef
7840 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
7842 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
7843 until when it is really needed.
7844 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
7845 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
7846 * i386.md (float?i?f splitter): Don't force source operand to memory
7848 (sse_movdfcc): Fix constraint.
7849 (sse_movdfcc splitter): Handle properly the second alternative.
7851 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7853 * cpplex.c (parse_string): Unconditionally pedwarn.
7855 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7858 * cppexp.c (parse_number): Update.
7859 * cpplex.c (parse_string): Pedwarn if multiline string does not
7860 result from a system header's macro.
7861 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
7862 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
7863 for function-like macros too.
7864 * c-lex.c (lex_number): Update.
7866 2001-03-03 Richard Henderson <rth@redhat.com>
7868 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
7870 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
7872 * combine.c (try_combine): If split with mode-changed scratch
7873 register didn't work, try the original mode.
7875 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
7877 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
7878 * config/c4x/c4x.h: Likewise.
7879 * stor-layout.c (compute_record_mode): Likewise.
7880 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
7882 2001-03-02 Zack Weinberg <zackw@stanford.edu>
7884 * configure.in: Kill tm.h. Include the files in the $tm_file
7885 list in all three of config.h, hconfig.h, tconfig.h, after the
7886 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
7887 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
7888 * configure: Regenerate.
7889 * Makefile.in (clean): Don't delete tm.h.
7891 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
7892 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
7893 those are not defined, set SEC and FEC to 0 and 1.
7894 * gcc.texi: Update to match.
7896 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
7897 * config/fp-bit.c, config/m68k/aux-crt2.asm,
7898 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
7899 Include tconfig.h, not tm.h.
7901 * config/xm-lynx.h, config/xm-std32.h,
7902 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7903 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
7904 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
7905 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7906 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7907 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7908 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
7909 config/i386/xm-i386.h, config/i860/xm-i860.h,
7910 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7911 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
7912 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7913 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7914 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7915 config/pa/xm-linux.h, config/pa/xm-pa.h,
7916 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7917 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
7918 config/pj/xm-pj.h, config/romp/xm-romp.h,
7919 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7920 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7921 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7922 config/v850/xm-v850.h, config/vax/xm-vax.h,
7923 config/we32k/xm-we32k.h:
7925 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
7927 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
7928 config/i370/xm-oe.h: Don't include tm.h. Don't define
7930 * config/vax/xm-vms.h: Don't include tm.h.
7932 * config/xm-lynx.h, config/avr/xm-avr.h,
7933 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
7934 Delete; made empty by above changes.
7935 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7936 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
7937 Don't include config/xm-lynx.h or tm.h.
7939 * config/xm-gnu.h: Don't include fcntl.h.
7940 * config/sparc/xm-lynx.h: Don't include sys/types.h and
7942 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
7944 2001-03-02 Richard Henderson <rth@redhat.com>
7946 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
7947 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
7949 2001-03-02 Richard Henderson <rth@redhat.com>
7951 * Makefile.in (OBJS): Add dwarf2asm.o.
7952 * dwarf2asm.c, dwarf2asm.h: New files.
7953 * dwarf2out.c (*): Use them.
7954 (size_of_uleb128, size_of_sleb128): Remove.
7955 (output_uleb128, output_sleb128): Remove.
7956 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
7957 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
7958 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
7959 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
7960 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
7961 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
7962 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
7963 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
7964 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
7965 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7966 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
7967 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
7968 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
7969 (dwarf2out_frame_debug): Remove unused variables.
7970 (output_loc_operands): Don't abort on 8 byte constants if
7971 host integers are wide enough.
7972 (output_symbolic_ref): Remove.
7973 (size_of_die): Don't assume 4 byte host integers.
7974 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
7976 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
7977 something stupid with HOST_WIDE_INT to long truncation.
7978 [CONST_DOUBLE]: Likewise.
7980 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
7981 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7982 * config/arm/unknown-elf.h: Likewise.
7983 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
7984 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
7985 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
7986 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
7987 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
7988 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
7989 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
7990 (ASM_OUTPUT_DWARF_OFFSET): Remove.
7991 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
7992 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
7993 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
7994 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
7996 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7998 * cselib.c (hash_rtx): Cast enums to unsigned int.
8000 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8002 * print-rtl.c (print_rtx): Cast enums to int for comparison.
8003 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
8005 * c-format.c (C_STD_VER): Cast to int for comparisons.
8006 (check_function_format): Cast various enums to int for &.
8007 (maybe_read_dollar_number): Likewise.
8008 (check_format_info): Likewise.
8009 (check_format_info_main): Likewise.
8010 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
8011 (safe_from_p): Likewise.
8012 * varasm.c (const_hash): Cast enum to int for %.
8013 * emit-rtl.c (init_emit_once): Use int loop variable to work around
8014 pcc enum problems with < and ++ operators.
8015 * regclass.c (init_reg_sets_1): Cast enums for comparison.
8016 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
8017 (regclass_init): Change enum class to int to iterate over reg_classes.
8018 * genrecog.c (merge_trees): Cast enums for comparison.
8019 * rtl.h (GET_CODE): Cast to enum rtx_code.
8020 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
8021 (GET_MODE): Cast to enum machine_mode.
8022 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
8023 (GET_NOTE_INSN_NAME): Cast enum to int.
8024 * tree.h (TREE_CODE): Cast to enum tree_code.
8025 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
8026 * timevar.c (timevar_print): Change loop variable id from enum to
8028 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
8029 * config/i386/i386.md: Use PUT_MODE for mode assignment.
8030 * toplev.c (compile_file): Cast enum DFI to int.
8031 (decode_d_option): Likewise.
8033 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
8035 * cppinit.c (append_include_chain): Mark "after" include file name list
8036 as a system directory.
8037 * cpp.texi: Document new behavior.
8039 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
8041 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
8043 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
8045 * cppfiles.c (struct include_file): Update.
8046 (stack_include_file): Use search_from.
8047 (cpp_included, find_include_file): Update.
8048 (cpp_execute_include): Update. ptr->name may not be
8049 null terminated. Use the new search_from member variable
8051 (_cpp_compare_file_date): Similarly.
8052 (search_from): New function, similiar to actual_directory.
8053 (actual_directory): Delete.
8054 (remap_filename): Update. loc->name may not be null terminated.
8055 (struct file_name_list): Rename search_path. Update.
8056 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
8057 search_from and dir.
8058 (struct cpp_reader): Remove actual_dirs.
8059 * cppinit.c (struct cpp_pending): Update for renamed objects.
8060 (append_include_chain, remove_dup_dir, remove_dup_dirs,
8061 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
8062 * cpplib.h (struct cpp_options): Similarly.
8064 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8066 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
8067 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
8068 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8069 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8070 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8071 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8072 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8073 config/i370/xm-linux.h, config/i370/xm-mvs.h,
8074 config/i370/xm-oe.h, config/i386/xm-aix.h,
8075 config/i386/xm-i386.h, config/i386/xm-osf.h,
8076 config/i860/xm-i860.h, config/i960/xm-i960.h,
8077 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8078 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
8079 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
8080 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
8081 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
8082 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8083 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8084 config/pj/xm-pj.h, config/romp/xm-romp.h,
8085 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8086 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8087 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8088 config/v850/xm-v850.h, config/vax/xm-vax.h,
8089 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
8090 Do not define TRUE or FALSE.
8092 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
8093 empty by above change.
8094 * config.gcc: Remove references to these files.
8096 * configure.in: Detect stdbool.h.
8097 * configure, config.in: Regenerate.
8098 * system.h: Include stddef.h here if available.
8099 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
8100 Then set up a sensible boolean type at the very end.
8102 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
8103 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
8105 * hash.h: Delete 'boolean' typedef and related #undefs.
8107 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
8108 all uses of 'boolean' with 'bool'.
8110 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8112 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
8113 * cppexp.c (lex): Cast enums for comparison.
8114 * cppinit.c (parse_option): Cast enum for comparison.
8115 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
8116 (cpp_output_token): Likewise.
8117 (cpp_can_paste): Cast enums for comparsion and plus/minus.
8118 (cpp_avoid_paste): Cast enums for minus and comparison.
8120 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8122 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
8123 field to all array elements.
8125 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8127 * cpphash.h (struct cpp_reader): Add print_version field.
8128 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
8129 just set print_version and other flags as appropriate.
8130 (cpp_post_options): Print version here if print_version is set.
8132 * toplev.c (exit_after_options): New flag.
8133 (independent_decode_option): Don't exit here; just set
8135 (main): Exit after calling lang_hooks.post_options if
8136 exit_after_options is true.
8138 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
8139 (merge_include_chains): Adjust comment to match code.
8141 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8143 * stringpool.c (set_identifier): New function.
8144 * tree.h: Prototype it.
8146 * c-parse.in: Kill D_YES. If compiled for objc, call
8147 save_and_forget_protocol_qualifiers from init_reswords.
8148 * objc/objc-act.c (remember_protocol_qualifiers,
8149 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
8150 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
8152 (save_and_forget_protocol_qualifiers): New function.
8153 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
8155 2001-03-01 Diego Novillo <dnovillo@redhat.com>
8157 * c-semantics.c (prune_unused_decls): Return error_mark_node
8158 instead of (tree) 1 to stop traversing the tree chain.
8160 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8162 Fix a problem introduced by Kenner's Feb 18 change.
8163 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
8164 flag_cse_skip_blocks only temporarily, not for ever.
8166 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
8168 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
8169 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
8171 * pa.c (emit_move_sequence): Verify operand0 is a hard register
8172 before determining its register class.
8174 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8176 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
8177 from reg 4 if current_function_calls_setjmp.
8178 (gen_nop_type): New function.
8179 (ia64_emit_nops): New function.
8180 (ia64_reorg): Call it.
8181 (ia64_sched_reorder): Move code that rotates bundles up a bit.
8183 * reload1.c (eliminate_regs_in_insn): Restrict the special case
8184 code not to try to optimize adds with anything but a REG destination.
8186 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
8187 (INSN_PRIORITY_KNOWN): New accessor macro.
8188 * haifa-sched.c (priority): Use it instead of testing priority against
8191 2001-02-28 DJ Delorie <dj@redhat.com>
8193 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
8194 since that doesn't work the way gcc wants on a generic m68k.
8196 2001-02-28 Richard Henderson <rth@redhat.com>
8198 * caller-save.c (save_call_clobbered_regs): Fix typo in
8199 comparison last change.
8201 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
8203 * i386.c (pentium4_cost): New.
8204 (m_PENT4): New macro.
8205 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
8206 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
8207 x86_integer_DFmode_moves, x86_partial_reg_dependency,
8208 x86_memory_mismatch_stall): Add Pentium4
8209 (x86_use_q_reg, x86_use_any_reg): Kill.
8210 (override_options): Add pentium4.
8211 (incdec_operand): Return 0 for pentium4.
8212 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
8213 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
8214 (TARGET_PENTIUM4): Define.
8215 (enum processor_type): Add PROCESSOR_PENTIUM4.
8216 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
8217 * i386.md (attribute "cpu"): Add pentium4.
8218 * invoke.texi (march): Add pentium4.
8220 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
8222 * i386.md (sse_mov?fcc*): New patterns and splitters.
8223 * i386.c (ix86_expand_movcc): Work post-reload; recognize
8224 the SSE based conditional moves.
8226 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
8228 * i386.md (attribute mode): Add "TI".
8229 (movsf_1): Add pxor support; remove constant propagation splitter.
8230 (movdf_integer): Likewise.
8231 (movdf_nointeger): Likewise.
8232 (movxf constant prop splitter): Handle all modes; update for SSE.
8233 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
8234 * i386.c (standard_80387_constant_p): Rewrite.
8235 (standard_sse_constant_p): New.
8236 * i386-protos.h (standard_sse_constant_p): New.
8238 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
8240 * i386.md (sse_setccsf, sse_setccdf): New.
8241 (sse_cmp* patterns): Use '%D' instead of outputtting condition
8243 * i386.c (sse_comparison_operator): Accept the supported unordered
8244 comparses; be ready for fast_math.
8245 (print_operand): Support 'D'.
8247 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
8249 * jump.c (reversed_comparison_code): Kill.
8251 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
8253 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
8256 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
8258 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
8259 add missing '%' in constraints.
8261 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
8263 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
8264 for HOST_BITS_PER_WIDE_INT == 32 too.
8266 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
8268 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
8270 (insert_save, insert_restore): New parameter save_mode.
8271 (init_caller_save): Update initialization of reg_save_code
8272 and reg_restore_code.
8273 (save_call_clobbered_regs): Compute save_modes and update calls to
8274 reg_save_code and reg_restore_code.
8275 (insert_restore): Unsignetize numbers; use save_modes to choose mode
8276 of spill; update use of reg_restore_code.
8277 (insert_save): Likewise.
8278 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8279 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8280 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
8282 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8284 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
8285 noce_try_store_flag_inc, noce_try_store_flag_mask,
8286 noce_try_cmove_arith):
8287 Use reversed_comparison_code instead of reverse_comparison and
8288 can_reverse_comparison_p.
8290 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
8292 * jump.c (reversed_comparison_code_parts): Allow reversal of
8293 unordered compares in -ffast-math mode; reverse ordered compares
8294 for FP even w/o -ffast-math.
8296 2001-02-27 Richard Henderson <rth@redhat.com>
8298 * print-rtl.c (print_rtx) [i]: Don't print field five on
8299 NOTEs other than NOTE_INSN_DELETED_LABEL.
8301 2001-02-27 Zack Weinberg <zackw@stanford.edu>
8303 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
8304 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
8306 2001-02-27 Diego Novillo <dnovillo@redhat.com>
8308 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
8309 even if walk_subtrees is 0.
8310 * c-semantics.c (prune_unused_decls): Return a non-null value to
8311 stop traversing the tree chain.
8313 2001-02-27 DJ Delorie <dj@redhat.com>
8315 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
8316 register, *then* define it as the new CFA.
8318 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
8320 * pa.c (override_options): Promote -fpic to -fPIC.
8321 (legitimize_pic_address): Simplify due to removal of
8322 small PIC as a code generation option.
8323 (secondary_reload_class): Similarly.
8324 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
8325 (PRINT_OPERAND_ADDRESS): Similarly.
8326 * pa.md (various patterns): Similarly.
8327 (small pic lo_sum pattern): Remove.
8329 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
8332 * md.texi (min, max): Document
8334 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
8336 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
8337 TARGET_PARTIAL_REG_DEPENDENCY.
8338 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
8340 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
8342 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
8344 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
8346 * mips.c (mips_make_temp_file): Fix thinko in last change.
8348 2001-02-26 Jason Eckhardt <jle@redhat.com>
8350 * combine.c (known_cond): Do not reverse the condition when
8351 SMAX/UMAX is being considered and the condition is for equality
8354 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
8356 2001-02-26 Philip Blundell <philb@gnu.org>
8358 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
8360 * config/arm/linux-elf.h: Remove historical relics related to
8361 above configurations.
8362 * config/arm/linux-oldld.h: Delete.
8363 * config/arm/linux-elf26.h: Delete.
8365 2001-02-26 Jason Merrill <jason@redhat.com>
8367 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
8369 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
8370 recognize a tentative definition. Lose obsolete code.
8372 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
8373 variables unless necessary, either.
8375 2001-02-25 Richard Henderson <rth@redhat.com>
8377 * ifcvt.c (struct noce_if_info): Add test_bb.
8378 (noce_get_alt_condition): New.
8379 (noce_try_minmax, noce_try_abs): New.
8380 (noce_operand_ok): New.
8381 (noce_process_if_block): Use them.
8382 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
8384 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
8386 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
8389 2001-02-25 Zack Weinberg <zackw@stanford.edu>
8391 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
8392 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
8394 (mips_asm_file_end): Free temp_filename here.
8396 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8398 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
8399 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
8401 * config/i386/i386.md (movstrsi): Handle FAIL case.
8403 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
8405 * cppinit.c (builtin_array): Update.
8406 (init_builtins): Flag builtins to warn if redefined or
8407 undefined. Define __GXX_WEAK as a normal macro.
8408 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
8409 * cpplib.h (NODE_WARN): New flag.
8410 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
8411 Handle __STDC__ as a builtin only on Solaris.
8412 (warn_of_redefinition): Renamed from check_macro_definition.
8413 Reverse sense of test. Always warn if NODE_WARN.
8414 (_cpp_create_definition): Use warn_of_redefinition. Flag
8415 any macro beginning with "__STDC_" to require a mandatory
8416 warning if redefined or undefined.
8418 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8420 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
8421 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
8422 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
8423 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
8424 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
8425 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
8426 Don't define any of:
8427 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
8428 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
8429 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
8430 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
8431 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
8433 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
8434 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
8437 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
8438 Delete now-empty file.
8440 * alpha/vms.h: Define NEED_ATEXIT here...
8441 * alpha/xm-vms.h: ...not here.
8443 * i386/cygwin.h: Don't define PARAMS.
8444 * mips/mips.c: Don't prototype mktemp. Don't define
8445 P_tmpdir. Use make_temp_file to create temporary files.
8446 Don't be clever and delete temporary files early.
8447 * config.gcc: Drop references to deleted files. Don't define
8449 * gcc.texi: Don't mention USE_PROTOTYPES.
8451 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8453 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
8454 (ix86_set_move_mem_attrs_1): Likewise.
8455 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
8456 * config/i386/i386.md (movstrsi): Call it.
8458 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8460 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
8461 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
8462 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
8463 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
8465 (i750a-*-*): Error here if hosting on i750a.
8466 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
8468 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
8469 Remove (empty modulo comments).
8471 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
8472 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
8473 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
8474 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
8475 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
8476 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
8478 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
8479 Remove reference to winnt.h in comment.
8480 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
8482 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8484 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
8485 used to set another biv.
8487 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8489 * tree.h (BLOCK_DEAD): New macro.
8490 (struct tree_block): New flag, dead_flag.
8491 * print-tree.c (print_node, case 'b'): Print missing fields.
8492 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
8493 * function.c (identify_blocks): Enable test for misplaced notes.
8494 (all_blocks): Skip BLOCK_DEAD blocks.
8495 * integrate.c (integrate_decl_tree): Likewise.
8497 * errors.c (internal_error, trim_filename): New functions.
8498 (fancy_abort): Call internal_error.
8499 * errors.h (internal_error, trim_filename): New declarations.
8501 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
8503 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
8505 (EXTRA_CONSTRAINT): Formatting changes.
8507 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8509 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
8511 2001-02-23 Per Bothner <per@bothner.com>
8513 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
8514 so they can be called from java/jvspec.c.
8515 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
8517 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
8519 * i386.c (ix86_frame): New structure.
8520 (ix86_compute_frame_size): Kill.
8521 (ix86_compute_frame_layout): New.
8522 (ix86_save_reg): New.
8523 (ix86_can_use_return_insn_p): Use frame layout stuff.
8524 (ix86_expand_prologue): Likewise.
8525 (ix86_expand_epilogue): Likewise.
8526 (ix86_initial_elimination_offset): Likewise.
8527 (ix86_nsaved_regs): Use ix86_save_reg.
8528 (ix86_emit_save_regs): Likewise.
8530 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
8532 * flow.c (find_sub_basic_blocks): New function.
8533 (split_block): Be ready for basic block introduced by CODE_LABEL.
8534 (commit_one_edge_insertion): Call find_sub_basic_block.
8536 * flow.c (make_edges): Add edge from entry for blocks starting with
8537 label having ALTERNATE_NAME
8539 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
8541 * function.c (epilogue_done): Be ready for first basic block not
8542 containing PROLOGUE_END note.
8543 (reposition_prologue_and_epilogue_notes): Avoid placing
8544 PROLOGUE_END note between BASIC_BLOCK.
8546 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
8548 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
8550 2001-02-21 DJ Delorie <dj@redhat.com>
8552 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
8553 check for current_function_has_nonlocal_goto from 1999-11-12.
8555 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8557 * diagnostic.c (trim_filename): No longer static.
8558 * toplev.h (trim_filename): Declare.
8559 * rtl.c (rtl_check_failed_bounds): Call internal_error.
8560 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
8561 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
8562 (rtvec_check_failed_bounds): Likewise.
8563 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
8565 * convert.c (convert_to_integer): Don't do unsigned unless result or
8566 both inputs are unsigned.
8568 * fold-const.c (fold_convert): Don't call size_int_type_wide if
8571 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
8573 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
8575 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
8577 * Makefile.in (resource.o): Add params.h dependence.
8578 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
8579 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
8580 * resource.c: Add dependence on params.h.
8581 (current_live_regs): Fix explanatory comment.
8582 (find_basic_block): Add new parameter to permit limiting search
8584 (mark_target_live_regs): Add new argument to find_basic_block call.
8585 (incr_ticks_for_insn): Likewise.
8587 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8589 * diagnostic.c (output_to_stream): Rename to
8590 output_buffer_to_stream. Loses the stream parameter.
8591 (init_output_buffer): Set diagnosic_buffer's stream.
8592 (flush_diagnostic_buffer): Adjust.
8593 (default_print_error_function): Likewise.
8594 (finish_diagnostic): Likewise.
8595 (verbatim): Likewise.
8597 * diagnostic.h (struct output_buffer): Add `stream' field.
8598 (output_buffer_attached_stream): New macro.
8600 2001-02-23 Jakub Jelinek <jakub@redhat.com>
8602 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
8603 check if either operand is divisible by C.
8604 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
8605 If type is signed, consider negative numbers as well.
8607 2001-02-22 Richard Henderson <rth@redhat.com>
8609 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
8610 reach .text instead of gp-relative relocs.
8611 * config/ia64/crtend.asm (.init): Likewise.
8613 2001-02-22 Andreas Jaeger <aj@suse.de>
8615 * extend.texi (C++ Attributes): Fix typo.
8617 2001-02-21 David Mosberger <davidm@hpl.hp.com>
8619 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
8620 functions, drop current_function_args_info.words test.
8621 (ia64_compute_frame_size): Mark syscall_linkage functions as
8622 using eight input registers.
8624 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
8625 Bruce Korb <bkorb@gnu.org>
8627 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
8628 * fixinc/README: Document how to convert sed substitutions
8629 to format style c_fix-es.
8630 * fixinc/fixincl.x: regen
8632 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
8634 * gcc.c: Add comment explaining how to add a command-line option.
8635 Add title to specs language comment.
8637 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8639 * gcc.c (cc1_options): Add "-param".
8640 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
8641 (option_map): Likewise.
8642 * toplev.c (display_help): Add entry for "--param".
8643 (independent_decode_option): Fix typographical error.
8645 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
8646 Bernd Schmidt <bernds@redhat.com>
8647 Jan Hubicka <jh@suse.cz>
8649 * i386.c (function_arg_advance): Pass SSE arguments in registers.
8650 (function_arg): Likewise.
8652 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
8654 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
8656 2001-02-21 Kazu Hirata <kazu@hxi.com>
8658 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
8662 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
8664 * flow.c (init_propagate_block_info): Canon address and use single_set
8665 for killing dead memory stores.
8667 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8669 * Makefile.in (reorg.o): Add params.h dependence.
8670 * params.def: Fix typographical error in comment.
8671 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8672 * params.h: Modify introductory comment.
8673 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8674 * reorg.c: Add dependence on params.h.
8675 (redundant_insn): Add parameterized throttle for search.
8676 (fill_simple_delay_slots): Add a comment explaining a variable.
8677 Move conditional out of loop, simplifying code.
8678 (fill_eager_delay_slots): Fix typographical error in comment.
8680 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
8682 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
8684 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
8685 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
8687 2001-02-21 Jason Merrill <jason@redhat.com>
8689 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
8690 (struct tree_decl): Add uninlinable bitfield.
8691 * c-decl.c (duplicate_decls): Set it.
8692 * integrate.c (function_cannot_inline_p): Check it.
8694 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
8695 DW_AT_MIPS_linkage_name to abstract methods.
8696 (dwarf2out_abstract_function): Emit class context before calling
8697 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
8698 (gen_subprogram_die): Remove obsolete code.
8699 (gen_member_die): Don't include clones in the member list.
8700 (gen_decl_die): Emit abstract info for clone origin.
8701 * dwarfout.c (output_type): Don't include clones in the member list.
8702 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
8703 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
8704 DECL_ABSTRACT on a function that already has it set.
8706 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
8707 (get_subprogram_die): Pass it in.
8709 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
8711 * flow.c (mark_set_1): Make not_dead unsigned long. For
8712 non-pseudos, use it as a bitmask of the hard regs that
8715 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
8717 * cppfiles.c: Update comments.
8718 (_cpp_read_file): Don't check for NULL filenames any more.
8719 * cppinit.c (cpp_start_read): Don't do canonicalization of
8720 in_fname and out_fname. Use the passed file name exclusively.
8721 (_cpp_handle_options): Don't treat "-" as a command line option,
8722 but as a normal filename.
8723 (_cpp_post_options): Canonicalize in_fname and out_fname.
8724 * cppmain.c (printer_init): Don't check out_fname for NULL.
8725 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
8726 (init_c_lex): Update, and use "" to represent stdin to CPP.
8729 2001-02-20 Will Cohen <wcohen@redhat.com>
8731 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
8732 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
8733 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
8736 2001-02-20 Stan Shebs <shebs@apple.com>
8738 * config/rs6000/rs6000.c (output_cbranch): Output branches
8739 on separate lines instead of using ';' to separate.
8741 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
8743 * cppinit.c (set_lang): Move builtin handling to...
8744 (init_builtins): ...here.
8745 (_cpp_create_reader): Move call to set_lang.
8747 2001-02-20 Mark Mitchell <mark@codesourcery.com>
8749 * stmt.c (expand_return): If an attempt is made to return the
8750 error_mar_node, treat the return like a return without a value.
8752 2001-02-19 Zack Weinberg <zackw@stanford.edu>
8754 * sibcall.c (skip_copy_to_return_value): Call
8755 identify_call_return_value here, and return orig_insn if it
8756 returns zero. Hardret and softret arguments now unnecessary.
8757 (call_ends_block_p): Don't call identify_call_return_value here.
8759 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
8761 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
8762 * ggc.h (ggc_mark_if_gcable): Delete prototype.
8764 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
8766 * pa.c (move_operand): Accept code to load the address of a
8767 symbol out of the DLT as a valid move operand.
8768 (print_operand, case 'A'): New to handle generating a DLT
8769 reference for a LO_SUM expression.
8770 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
8771 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
8773 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
8775 * README, cpp.texi, gcc.texi, version.c: Update version number to
8777 * cpp.1, gcov.1, gcc.1: Regenerate.
8779 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
8781 * cppfiles.c (stack_include_file): Generate dependencies
8782 here, and manage include_count here too.
8783 (PRINT_THIS_DEP): Delete.
8784 (_cpp_execute_include): Do not generate dependencies here,
8785 apart from the case of a missing header. Do not manage
8787 (_cpp_read_file): Leave dependency generation to
8790 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
8792 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
8793 target_cpu_default. Remove dead assignment to
8796 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
8798 * regclass.c (contains_reg_of_mode): Make global.
8799 (init_reg_sets): Remove contains_reg_of_mode; take into account
8800 CLASS_MAX_NREGS when looking for the proper mode.
8801 (dump_regclass): Dump only classes considered for the pseudo.
8802 (regclass): Use contains_reg_of_mode.
8804 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
8806 * gcc.c (do_spec_1): 'n' for printing notices.
8807 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
8809 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
8811 * reg-stack.c (next_flags_user): Use current_block->end
8812 (swap_rtx_condition): Look for next user if flags don't die;
8813 give up on CALL_INSNs; use current_block->end.
8815 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8817 * sibcall.c (call_ends_block_p): New function.
8818 (optimize_sibling_and_tail_recursive_call): Use it.
8820 2001-02-18 Kazu Hirata <kazu@hxi.com>
8822 * config/h8300/h8300.md: Update copyright.
8823 (andsi3): Do not output an extra newline character.
8825 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8827 * toplev.c (note_deferral_of_defined_inlined_function): Argument
8828 FNDECL may be unused.
8830 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
8831 follow jumps after first run.
8832 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
8833 it doesn't change any jumps.
8835 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
8837 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
8838 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
8839 (mostlyclean): Corresponding changes.
8840 * rtlanal.c (hard-reg-set.h): Include.
8841 (rtx_unstable_p): Do not treat the argument pointer specially
8842 if it is not a fixed register.
8843 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
8845 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8847 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
8848 against last real insn in basic block.
8849 Rework to avoid gotos.
8851 * Makefile.in (gcse.o): Now includes ggc.h.
8852 * gcse.c: Include ggc.h.
8853 (want_to_gcse_p): Verify expression can be in SET as valid insn.
8854 (try_replace_reg): Remove warning of uninitialize variable.
8855 (process_insert_insn): Call invalid_insn_p to validate insn.
8856 * recog.c (insn_invalid_p): Now global.
8857 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
8858 * recog.h (insn_invalid_p): New declaration.
8860 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
8862 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
8863 assignments from FP constants since 'Y' output code can't handle it.
8864 (eligible_for_sibcall_delay): Likewise.
8866 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
8867 Call fancy_abort directly, passing args.
8868 (print_rtl_and_abort): Now a macro, like fancy_abort.
8870 * final.c (output_operand_lossage): Use internal_error, not error.
8872 2001-02-18 Shane Nay <shane@agendacomputing.com>
8874 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
8875 structure shift insns.
8877 2001-02-18 Mark Mitchell <mark@codesourcery.com>
8879 * invoke.texi (-fsquangle): Remove documentation.
8880 (-fname-mangling-version): Likewise.
8882 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
8884 * optabs.c (expand_abs): Remove reference to
8885 HAVE_contitional_arithmetic.
8886 * combine.c (simplify_set): Likewise.
8888 2001-02-18 Richard Henderson <rth@redhat.com>
8890 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
8893 2001-02-18 Richard Henderson <rth@redhat.com>
8895 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
8897 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
8899 * reload1.c (reload_cse_simplify_set): Fix typo.
8901 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8903 * diagnostic.c (_fatal_insn): Decrement errorcount.
8905 * invoke.texi (-I): Add note avoiding use for system header files.
8907 * rtl.h (add_clobbers): Remove duplicate declaration.
8908 * recog.h (added_clobbers_hard_reg_p): New declaration.
8909 * genemit.c (struct clobber_pat): New field has_hard_reg.
8910 (gen_insn): Record if added clobbers clobber hard reg.
8911 (gen_split): Avoid unused warning if number of operands is 0.
8912 (output_added_clobbers_hard_reg_p): New function.
8915 2001-02-18 Alan Modra <alan@linuxcare.com.au>
8917 * pa.c (hppa_expand_prologue): Simplify code storing return
8918 pointer. For large (>=8k) frames with a post_store, adjust stack
8919 pointer by 8k-64 first rather than by 64. When testing with
8920 VAL_14_BITS_P, always use the actual value rather than the value
8921 negated. Add blockage to prevent scheduling of spills before
8922 stack frame has been created.
8923 (hppa_expand_epilogue): Simplify code loading return pointer.
8924 Allow a slightly larger range for merge_sp_adjust_with_load case.
8925 When testing with VAL_14_BITS_P, always use the actual value.
8927 * pa.c (pa_adjust_insn_length): Check that block move
8928 pattern is a set before looking at operands.
8930 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8932 * fold-const.c (fold_binary_op_with_conditional_arg): New
8933 function, split out from ...
8935 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
8936 conditional arms that throw exceptions.
8938 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
8941 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8943 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
8944 define HAVE_DECL_* to 1 to mask potential backup declarations.
8945 * configure: Regenerated.
8947 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8949 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
8951 2001-02-17 Richard Henderson <rth@redhat.com>
8953 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
8954 when replacing a memory load with a register.
8956 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8957 Jan Hubicka <jh@suse.cz>
8959 * recog.c (validate_replace_src_1): New.
8960 (validate_replace_src_data): Likewise.
8961 (validate_replace_src): Use note_uses.
8962 * rtl.h (note_uses): Declare.
8963 * rtlanal.c (note_uses): New.
8965 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
8967 * reg-stack.c (stack_def): Make field reg unsigned.
8968 (remove_regno_note): Unsignetize parameter.
8970 2001-02-16 Jes Sorensen <jes@linuxcare.com>
8972 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
8973 shladd_operand() call.
8975 2001-02-16 Bruce Korb <bkorb@gnu.org>
8976 Rodney Brown <RodneyBrown@mynd.com>
8978 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
8979 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
8980 machine restrictions
8981 * fixinc/fixincl.x: regen
8983 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8985 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
8987 (hash_scan_insn): Clean up calls to hash_scan_set.
8988 (compute_kill_rd): REGNO now unsigned.
8989 (try_replace_reg): Rework to use simplify_replace_rtx.
8990 (cprop_jump, cprop_cc0_jump): Likewise.
8991 (cprop_insn): Call find_reg_equal_equiv_note.
8992 Reflect changes to cprop_jump and cprop_cc0_jump.
8994 * recog.c (validate_replace_src): Replace in operands of
8995 ZERO_EXTRACT in SET_DEST.
8997 * cse.c (new_label_ref): New variable.
8998 (insert): Set it instead of recorded_label_ref.
8999 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
9000 CODE_LABEL for this function, and not already in REG_LABEL note.
9002 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
9004 * resource.c (mark_referenced_resources): Fix typo in introductory
9006 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
9009 2001-02-16 Jason Merrill <jason@redhat.com>
9011 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
9013 (gen_subprogram_die): Don't abort on seeing a second definition if
9014 the previous one was abstract. Don't replace an abstract instance
9015 in the lookup table.
9017 * dwarf2out.c (dwarf2out_abstract_function): Rename from
9018 gen_abstract_function.
9019 * dwarf2out.h: Declare it.
9020 * toplev.c (note_outlining_of_inline_function): New fn.
9021 * toplev.h: Declare it.
9022 * integrate.c (output_inline_function): Call it.
9023 * c-decl.c (duplicate_decls): Call it when redefining an extern
9024 inline. Don't inline the new defn.
9026 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
9028 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9030 * .gdbinit: Rename to gdbinit.in.
9031 * gdbinit.in: New file,
9032 * configure.in: Generate .gdbinit from gdbinit.in.
9033 * configure: Regenerated.
9034 * Makefile.in (distclean): Always remove .gdbinit.
9036 2001-02-16 Jakub Jelinek <jakub@redhat.com>
9038 * objc/objc-act.c (start_class): Register implemented_classes with
9041 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
9043 * cppfiles.c (_cpp_make_system_header): Generate a file
9046 2001-02-15 Jim Meyering <meyering@lucent.com>
9048 * Makefile.in (install-common): Don't depend on installdirs here.
9049 Instead, make each of the lang.install-common targets (e.g.,
9050 c++.install-common in cp/Make-lang.in) depend on it.
9051 (install-driver): Depend on installdirs.
9053 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9055 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
9057 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
9060 2001-02-15 Mark Mitchell <mark@codesourcery.com>
9062 * invoke.texi (--param): Document.
9064 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
9066 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
9068 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
9070 * i386.md (extendsfdf2_2): Fix constraints.
9072 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
9074 * i386.md (fop_df_3 splitter): Fix operand number.
9076 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
9078 * invoke.texi (-mreg-alloc): Nuke.
9079 * i386.c (ix86_reg_alloc_order, regs_allocated,
9080 order_regs_for_local_alloc): Nuke.
9081 (override_options): Kill reg_alloc code.
9082 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
9083 (REG_ALLOC_ORDER): SSE goes before I387.
9084 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
9085 (ix86_reg_alloc_order): Likewise.
9086 * i386-protos.h (ix86_reg_alloc_order): Kill.
9088 2001-02-14 Richard Henderson <rth@redhat.com>
9090 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
9092 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
9094 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
9096 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
9098 * i386-protos.h (ix86_memory_move_cost): Move offline.
9099 * i386.c (ix86_register_move_cost): Compute properly cost of
9100 SSE, MMX and i387 instructions.
9101 (*_cost): Add costs of SSE/MMX moves.
9102 (ix86_memory_move_cost): Move offline from ....; Likewise.
9103 * i386.h (MEMORY_MOVE_COST): .... here;
9104 (struct processor costs): Add new fields to represent costs
9107 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
9109 * regclass.c (init_reg_sets_1): Reinstall the optimization of
9110 move_cost together with Matt Kraai's fix.
9112 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9114 * Makefile.in (OBJS): Add params.o.
9116 2001-02-14 Richard Henderson <rth@redhat.com>
9117 DJ Delorie <dj@redhat.com>
9119 * jump.c (jump_optimize_1): When we delete a conditional jump
9120 preceeding a non-conditional jump to effectively the same place,
9121 make sure that the combined jump skips any clobber insns between
9124 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9126 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
9128 2001-02-14 Mark Mitchell <mark@codesourcery.com>
9130 * Makefile.in (toplev.o): Depend on params.h.
9131 (intergate.o): Likewise.
9132 (params.o): New target.
9133 * flags.h (inline_max_insns): Remove.
9134 * integrate.c: Include params.h.
9135 Use MAX_INLINE_INSNS instead of inline_max_insns.
9136 * params.c: New file.
9137 * params.h: Likewise.
9138 * params.def: Likewise.
9139 * toplev.c: Include params.h.
9140 (lang_independent_params): New variable.
9141 (decode_f_option): Use the param machinery instead of setting
9143 (independent_decode_option): Handle "--param name=value".
9144 (main): Register language-independent parameters.
9146 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
9148 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
9150 2001-02-14 Richard Henderson <rth@redhat.com>
9152 * regclass.c (init_reg_sets_1): Revert last two changes.
9154 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9156 * stor-layout.c (is_pending_size, put_pending_size): New functions.
9157 (variable_size): Call put_pending_size.
9158 * tree.h (is_pending_size, put_pending_size): Add prototypes.
9159 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
9160 sizes list, put newly created SAVE_EXPR there as well.
9162 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9164 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
9165 (errata_find_address_regs): load_group has only 2 entries.
9166 (errata_emit_nops): Likewise. shladd is not problematic.
9167 Clear last_group if nop was emitted.
9168 (fixup_errata): load_group has only 2 entries.
9171 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
9173 * c-lex.c (lex_number): Only warn traditionally for U suffix
9174 outside system macros.
9175 * cppexp.c (parse_number): Similarly.
9176 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
9177 * cppmacro.c (struct cpp_macro): New member node.
9178 (parse_args): Only warn about missing rest args if not
9180 (funlike_invocation_p): Similarly for uninvoked funlike macros.
9181 (cpp_sys_objmacro_p): New.
9182 (_cpp_create_definition): Store the node with the macro defn.
9183 Remember if the macro is defined in a system header.
9185 2001-02-13 DJ Delorie <dj@redhat.com>
9187 * configure.in (check_languages): determine languages to check
9188 * Makefile.in (check-c++): alias for check-g++
9189 (check-f77): alias for check-g77
9190 (CHECK_TARGETS): depend on configured languages
9192 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
9194 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9195 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9196 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9197 (sqrtextendsfdf2): Disable for SSE2.
9199 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9201 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9202 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9203 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9204 (sqrtextendsfdf2): Disable for SSE2.
9206 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
9208 * i386.md (movsfcc_1): Support integer cmove instruction.
9209 (movdfcc_1): Likewise; new splitter.
9211 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
9213 * i386.c (output_fp_compare): Support SSE.
9214 (prepare_fp_compare_args): SSE comparisons always support memory.
9215 * i386.h (TARGET_CMOVE): SSE imply cmove.
9216 * i386.md (cmp?f2): Enable for SSE too.
9217 (cmpfp_i*): Support SSE.
9219 (cmpfp_i_sse_only): New.
9220 (s*, b* fp expanters): Enable for SSE too.
9221 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
9224 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
9226 * regclass.c (init_reg_sets_1): Silence warning.
9228 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
9230 * i386.md (sqrt?f2): Change to expander.
9231 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
9233 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9235 * rtlanal.c (find_reg_equal_equiv_note): New function.
9236 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
9237 (simplify_gen_relational, simplify_replace_rtx): Likewise.
9238 * rtl.h: Add declarations for above functions.
9240 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
9242 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
9244 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
9245 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
9246 * flow.c (mark_regs_live_at_end): Likewise.
9247 (calculate_global_regs_live): Likewise.
9248 * gcse.c (compute_hash_table): Likewise.
9249 (compute_kill_rd): Likewise.
9250 * resource.c (mark_target_live_regs): Likewise.
9251 * rtl.h (INVALID_REGNUM): New macro.
9253 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
9255 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
9257 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
9259 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
9262 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
9264 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
9266 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
9267 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
9268 (fop_sf_1_sse, fop_df_1_sse): New patterns
9269 (fop_*): Disable float_extend and float patterns for SSE compilation.
9270 * i386.c (output_387_binary_op): Support SSE.
9272 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
9274 * i386.md (dummy_extendsfdf2): Support SSE2
9275 (extendsfdf2): Enable if 80387 or SSE2.
9276 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
9277 and no MIX_I387_SSE2
9278 (extendsfdf2_1_sse_only): New pattern.
9279 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
9281 (truncdfsf2_1): Support SSE.
9282 (truncdfsf2_2): Support SSE.
9283 (truncdfsf2_2_1_sse): New pattern.
9284 (fixtruncsfsi2): Always use SSE if available.
9285 (fix_truncsfsi_sse): New pattern.
9286 (fix_truncdfsi_sse): New pattern.
9287 (floatsis?f2): Support SSE.
9288 (floatsidf2_i387): New pattern.
9289 (floatsidf2_sse): Likewise.
9291 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9293 * configure.in: Use "have_gnat" variable, not "gnat".
9294 * configure: Regenerated.
9296 * config/sparc/sparc.c (function_value): Treat all non-record
9297 aggregate types like used to treat UNION_TYPE.
9299 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
9301 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
9302 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
9304 (MASK_MIX_SSE_I387): New.
9305 (TARGET_SSE): SSE2 imply SSE.
9306 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
9307 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
9308 (enum reg_class): Add new classes.
9309 (REG_CLASS_NAMES): Likewise.
9310 (REG_CLASS_CONTENTS): Likewise.
9311 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
9312 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
9313 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
9314 (CLASS_MAX_NREGS): Use new macros.
9315 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
9316 * i386.md (pushsf, movsf): Support SSE.
9317 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
9318 splitters to use ANY_FP_REGNO_P.
9319 (movdf_nointeger, movdf_integer): Likewise.
9321 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9323 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
9324 (try_combine): Use it.
9326 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
9328 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
9329 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
9330 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
9331 (REGISTER_MOVE_COST): Likewise.
9332 * i386-protos.h (ix86_secondary_memory_needed,
9333 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
9334 * i386.c (ix86_secondary_memory_needed,
9335 ix86_preferred_reload_class, ix86_register_move_cost): New function.
9337 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
9339 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
9340 (HARD_REGNO_MODE_OK): Move offline to ....
9341 * i386.c (ix86_hard_regno_mode_ok) ... here;
9342 refuse all incorrect modes.
9343 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
9345 2001-02-13 Richard Henderson <rth@redhat.com>
9347 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
9348 entire operator; replicate that and match_dup the operands.
9349 (cmp_ccx_arith_op_set): Likewise.
9350 (cmp_cc_arith_op_not_set): Likewise.
9351 (cmp_ccx_arith_op_not_set): Likewise.
9353 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9355 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
9357 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9359 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
9360 (TARGET_NO_BITFIELD_WORD): New macro.
9361 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
9362 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
9364 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9366 * cselib.c: New file, from simplify-rtx.c.
9367 * simplify-rtx.c: Remove cselib parts.
9368 * Makefile.in: Add cselib.o.
9370 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9372 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
9373 (setup_incoming_varargs): Remove warning.
9375 * config/rs6000/rs6000.c (validate_condition_mode): When
9376 flag_fast_math, allow floating-point conditionals to be reversed.
9377 (rs6000_generate_compare): When flag_fast_math, don't generate
9378 cror operations for FP conditionals.
9380 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
9382 (ASM_SPEC): Likewise.
9383 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
9384 (CC1_SPEC): Likewise.
9385 (LINK_TARGET_SPEC): Likewise.
9386 (CPP_ENDIAN_SPEC): Likewise.
9387 * Makefile.in (check-consistency): New target.
9389 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
9391 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
9392 "return type defaults" warning for functions with return type
9394 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
9395 function declarations by default rather than only when pedantic.
9397 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
9399 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
9402 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9404 * extend.texi (Deprecated): Deprecate new initializer lists.
9406 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9408 * mkdeps.c (deps_add_default_target): Robustify. Add
9409 basename component only.
9410 * cpp.texi (-M): Describe how default target is generated.
9411 * invoke.texi (-M): Likewise.
9413 2001-02-12 Kazu Hirata <kazu@hxi.com>
9415 * toplev.c (push_float_handler): Remove.
9416 (pop_float_handler): Remove.
9417 * toplev.h: Remove prototypes for the above functions.
9419 2001-02-12 Jakub Jelinek <jakub@redhat.com>
9421 * c-common.c (constant_fits_type_p): New function.
9422 (convert_and_check): Use it.
9424 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9426 * Makefile.in (GXX_ABI_FLAG): Don't define.
9427 * configure.in (--enable-new-gxx-abi): Remove option.
9428 * config.in: Regenerated.
9429 * configure: Likewise.
9431 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
9433 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
9435 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
9436 regular basic block, and arrange for all edges into it to switch
9439 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9441 * Makefile.in (distclean): Do not remove .gdbinit.
9443 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9445 * Makefile.in (gcc.o): Fix typos.
9446 (protize.o): Likewise.
9447 (unprotoize.o): Likewise.
9449 2001-02-11 Richard Henderson <rth@redhat.com>
9451 * tree.c (build1): Check for null operand in last change.
9453 2001-02-11 Richard Henderson <rth@redhat.com>
9455 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
9456 (fold): Don't assume a constant isn't foldable.
9457 * tree.c (build): Set TREE_CONSTANT for an expression with no
9458 side-effects and constant operands.
9461 2001-02-10 Richard Henderson <rth@redhat.com>
9463 * jump.c (squeeze_notes): Revert 2000-05-12 change.
9465 2001-02-10 Anthony Green <green@redhat.com>
9467 * cpp.texi (Standard Predefined): Add documentation for
9470 * c-common.c (combine_strings): Improve warning message.
9472 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
9474 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
9476 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
9478 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
9480 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
9483 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
9485 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
9488 2001-02-09 Nick Clifton <nickc@redhat.com>
9490 * config/arm/arm.md: Change output contraint on post inc
9491 load/store multiple patterns to be a read/write contraint.
9493 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
9495 * gcc.c (cpp_options): Delete .d files on error. Don't delete
9496 .o files when using the -M options.
9498 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9499 David Edelsohn <edelsohn@gnu.org>
9501 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
9502 handle DImode constants. Use one TOC entry for SImode and smaller
9503 constants, aligned properly.
9505 2001-02-08 Jason Merrill <jason@redhat.com>
9507 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
9508 about the SP adjustment for saving the static chain pointer.
9509 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
9510 offset when setting a temporary CFA register.
9512 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
9514 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
9515 powerpc-*-chorusos* .
9516 * config/rs6000/chorus.h : New file.
9517 * config/i386/chorus.h : New file.
9518 * config/sparc/chorus.h : New file.
9519 * config/sparc/t-chorus-elf : New file.
9521 2001-02-08 David Edelsohn <edelsohn@gnu.org>
9523 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
9524 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
9525 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
9526 (__WCHAR_TYPE__): Correct macro name.
9528 2001-02-08 Richard Henderson <rth@redhat.com>
9530 * config/i386/i386.c (ix86_frame_pointer_required): New.
9531 (ix86_setup_frame_addresses): New.
9532 (struct machine_funciton): Add accesses_prev_frame.
9533 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
9534 ix86_frame_pointer_required.
9535 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
9536 (SETUP_FRAME_ADDRESSES): New.
9537 * config/i386/i386-protos.h: Update.
9538 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
9539 from FRAME_POINTER_REQUIRED.
9540 * config/i386/svr3gas.h: Likewise.
9541 * config/i386/sysv3.h: Likewise.
9542 * config/i386/v3gas.h: Likewise.
9544 2001-02-08 Richard Henderson <rth@redhat.com>
9546 * config/sparc/sparc.c (function_arg_record_value_3): Fix
9547 calculation of the number of integer registers required.
9548 (function_arg_record_value): Likewise.
9550 2001-02-08 Jason Merrill <jason@redhat.com>
9552 * diagnostic.c (internal_error): Say "confused" after 1 error, not
9553 two. Print file and line with "confused" message.
9555 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
9557 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9559 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
9561 2001-02-08 Bernd Schmidt <bernds@redhat.com>
9563 * final.c (cleanup_subreg_operands): The address of a MEM can
9566 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
9569 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
9571 * gcc.texi (Incompatibilities): Update documentation of
9572 preprocessing numbers.
9574 2001-02-07 Jakub Jelinek <jakub@redhat.com>
9576 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
9578 2001-02-07 Mark Mitchell <mark@codesourcery.com>
9580 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
9582 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
9583 * gcc.c (struct compiler): Add cpp_spec field.
9584 (input_file_compiler): New variable.
9585 (do_spec_1): Allow a particular compiler to handle `%C'
9587 (main): Store the current compiler in input_file_compiler.
9588 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
9590 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
9592 * cpphash.h (struct spec_nodes): Add n_true and n_false.
9593 * cppinit.c (cpp_create_reader): Initialize them.
9594 (append_include_chain): cxx_aware arg might be unused.
9595 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
9596 keywords and give them their phase 7 meaning. Pedwarn about
9597 this unless '__bool_true_false_are_defined' is defined.
9599 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9601 * lcm.c (optimize_mode_switching): Emit mode_set before the
9602 JUMP_INSN of an abnormal edge.
9604 2001-02-07 Bernd Schmidt <bernds@redhat.com>
9606 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
9607 a scheduling barrier at the end.
9609 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
9611 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9613 * config/sh/sh.md (reload_outsf): Removed.
9614 (movsf_ie): Introduce constraints for FPUL loads and stores.
9615 (reload_insf): Broaden the output constraint.
9617 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
9619 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
9620 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
9622 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
9624 * final.c: Revert my previous changes.
9625 * output.h: Make profile_label_no extern.
9626 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
9627 for generating label.
9629 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
9631 * config/i386/djgpp.h: Add comments about standard paths.
9632 (MD_EXEC_PREFIX): Undefine before defining.
9633 (MD_STARTFILE_PREFIX): New.
9635 2001-01-30 Bruce Korb <bkorb@gnu.org>
9637 fixinc/fixincl.c(process): Emit error message only if appropriate :)
9638 (load_file): do not rely on load_file_data() to close file pointer
9639 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
9640 fixinc/inclhack.def(irix_limits_const): add test_text
9642 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9644 * cppexp.c (parse_defined): Improve diagnostics for invalid
9647 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9649 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
9651 2001-02-06 Mark Mitchell <mark@codesourcery.com>
9653 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
9654 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
9655 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
9656 (rs6000_output_symbol_ref): New function.
9657 (output_toc): Use VTABLE_NAME_P.
9659 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9661 * print-tree.c (print_node, case PARM_DECL):
9662 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
9664 * stor-layout.c (reference_types_internal): New variable.
9665 (internal_reference_types): New function.
9666 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
9667 * tree.h (internal_reference_types): New declaration.
9669 * cse.c (find_best_addr): Fix typo in computing cost.
9671 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9673 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
9674 and this is the sum of a pointer and a constant, we know the result
9676 (num_sign_bit_copies, case PLUS): Likewise.
9677 * explow.c (convert_memory_address): Remove opposite SUBREG.
9678 * function.c (instantiate_new_reg): New function (from common code).
9679 (instantiate_virtual_regs_1): Call it.
9680 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
9681 if pointers sign- or zero-extend.
9682 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
9683 If pointers extend unsigned, use inside of SUBREG.
9684 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
9686 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
9688 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
9689 subdir of gcc_gxx_include_dir.
9690 (gcc_gxx_target_include_dir): Remove.
9692 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
9694 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
9695 (dwarf2out_frame_debug_expr): Revise introductory comments to add
9696 a high-level description.
9698 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
9700 * final.c: Move the declaration of profile_label_no to ...
9701 * output.h: ... here.
9702 * function.c (expand_function_start): Call PROFILE_HOOK.
9703 * config/rs6000/aix.h: Define PROFILE_HOOK.
9704 * config/rs6000/rs6000-protos.h: output_profile_hook new.
9705 * config/rs6000/rs6000.c (output_profile_hook): Define.
9706 (output_prolog): Do nothing for ABI_AIX as it is taken care by
9707 output_profile_hook.
9708 tm.texi : Explain new macro PROFILE_HOOK.
9710 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
9712 * extend.texi (Extended Asm): Do not say that semicolon is always
9713 a valid line-breaking character for GNU assemblers. Use
9714 newline-tab as the most commonly supported syntax. Use
9715 newline-tab rather than semicolon in multi-insn examples.
9717 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9719 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
9721 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9722 David Edelsohn <edelsohn@gnu.org>
9724 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
9725 code for AIX, even without flag_pic.
9727 2001-02-05 Jakub Jelinek <jakub@redhat.com>
9729 * c-typeck.c (common_type): push and pop binding level around
9730 calling common_type on function parameters.
9732 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
9734 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
9736 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9738 * config/mips/mips.c (override_options): Fix typo in last change.
9739 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
9740 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
9742 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
9744 * invoke.texi (-fdump-class-layout): Document.
9745 (-fdump-translation-unit): Use `=' as filename separator.
9747 2001-02-05 Mark Mitchell <mark@codesourcery.com>
9749 * Makefile.in (s-mlib): Don't build multilibs if
9751 (DRIVER_DEFINES): Adjust accordingly.
9753 (protoize.o): Likewise.
9754 (unprotoize.o): Likewise.
9755 * configure.in: Recognize --enable-multilib.
9757 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9759 * Makefile.in (DRIVER_DEFINES): Fix quoting.
9761 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
9762 * configure.in: Remove --enable-libstdcxx_v3 support.
9763 * configure: Regenerated.
9765 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9767 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
9768 Call abort instead of fatal.
9769 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
9770 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
9771 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
9772 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
9773 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
9774 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
9776 * diagnostic.h (set_internal_error_function): Renamed.
9777 * toplev.h (internal_error): Renamed from fatal.
9778 (pfatal_with_name): Deleted.
9779 (fatal_io_error): Now has printf-style arguments.
9780 * diagnostic.c (pfatal_with_name): Deleted.
9781 (fatal_io_error): Rework to have args in printf-style.
9782 (set_internal_error_function): Renamed from set_fatal_function.
9783 (internal_error): Renamed from fatal.
9784 (error_recursion, fancy_abort): Call internal_error instead of fatal.
9785 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
9786 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
9787 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
9788 * flow.c (verify_flow_info): Likewise.
9789 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
9790 * config/mips/mips.c (save_restore_insns): Likewise.
9792 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
9793 * flow.c (verify_flow_info): Likewise.
9794 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
9795 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
9796 (avr_normalize_condition): Likewise.
9797 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
9798 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
9799 (limit_reload_class, double_reg_to_memory): Likewise.
9800 (print_operand_address, emit_1600_code_shift): Likewise.
9801 (gen_tst_reg, gen_compare_reg): Likewise.
9802 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
9803 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
9805 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
9807 * c-parse.in (methoddef): Call fatal_error instead of fatal.
9808 * objc/objc-act.c (build_ivar_chain): Likewise.
9809 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
9811 * graph.c (clean_graph_dump_file): Likewise.
9812 * profile.c (init_branch_prob): Likewise.
9813 * objc/objc-act.c (objc_init): Likewise.
9815 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
9816 * config/avr/avr.c (avr_override_options): Likewise.
9817 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
9818 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
9819 * config/h8300/h8300.c (h8300_init_once): Likewise.
9820 * config/mips/mips.c (override_options): Likewise.
9821 * config/i386/i386.c (override_options): Likewise, rework.
9822 * config/m68k/m68k.c (override_options): Likewise.
9824 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
9826 * config/mips/mips.c (print_operand): Likewise.
9827 * hash.c (hash_allocate): Don't check for failure returns from
9828 obstack functions that can't fail.
9829 (hash_table_init_n, hash_table_init): Likewise; also now return void.
9830 * hash.h (hash_table_init_n, hash_table_init): Now return void.
9831 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
9832 (get_object_reference): Likewise.
9834 2001-02-04 Nick Clifton <nickc@redhat.com>
9836 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
9837 StrongARM1110, 10TDMI, and 1020T.
9839 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9841 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
9843 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
9845 * config/sh/sh.md (movdf load split): Pass register number to
9846 FP_OR_XD_REGISTER_P.
9848 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9850 * cppinit.c (BC): New macro.
9851 (builtin_array): Add __GXX_WEAK__.
9852 * cpplib.h (builtin_type): Add BT_WEAK.
9853 * cppmacro.c (builtin_macro): Handle BT_WEAK.
9854 * defaults.h (SUPPORTS_ONE_ONLY): Define.
9855 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
9857 2001-02-03 Jakub Jelinek <jakub@redhat.com>
9859 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
9861 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9863 * cpphash.h: Rename _ALIGN POOL_ALIGN.
9864 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9866 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9868 * cpphash.h: Rename ALIGN _ALIGN.
9869 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9871 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
9873 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
9874 compilation environment.
9875 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
9876 control over location of cygwin includes and libs.
9878 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9880 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
9882 2001-02-02 lars brinkhoff <lars@nocrew.org>
9884 * md.texi (Standard Names): remove reference to spur.md.
9886 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9888 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
9889 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
9890 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
9891 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
9892 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
9894 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9896 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
9897 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
9898 number before reload.
9899 (c4x_adjust_cost): Return zero before reload.
9900 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
9901 split before reload.
9903 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9905 * c4x.c (c4x_hard_regno_rename_ok): New.
9906 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
9907 * c4x.h (HARD_REGNO_RENAME_OK): Define.
9909 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9911 * diagnostic.h: Add missing "extern" in all declarations.
9913 2001-02-02 Alex Samuel <samuel@codesourcery.com>
9915 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
9916 as for gcc_gxx_include_dir.
9918 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
9920 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
9922 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9924 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
9925 label before alignment to be used as the braf base address.
9926 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
9928 (casesi_jump_2): Require at least TARGET_SH2.
9930 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
9931 truncation to 32-bit doubles on -m3e and -m4-single-only.
9933 2001-02-02 Mark Mitchell <mark@codesourcery.com>
9935 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
9936 the default when building a shared object.
9937 (init_spec): Use it.
9938 * testsuite/lib/g++.exp: Include the directory where libgcc
9939 is located to the LD_LIBRARY_PATH list.
9940 * invoke.texi (-shared-libgcc): Document the cases in which
9941 GCC defaults to using the shared libgcc.
9943 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9945 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
9946 unsigned is wide enough.
9948 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
9949 (si_to_float): Likewise.
9950 (float_to_si, float_to_usi): Use BITS_PER_SI.
9952 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9954 * dwarf2out.c: Added explanation of abbreviations.
9955 (def_cfa_1): Added comments listing DWARF2 instructions.
9956 (cfa_temp_reg): Removed in favor of cfa_temp.
9957 (cfa_temp_value): Removed in favor of cfa_temp.
9958 (cfa_temp): New global variable.
9959 (dwarf2out_frame_debug_expr): Added extensive introductory
9960 comments explaining the function's transformations. Revised to
9961 use cfa_temp. Added some rtx checking. Generalize IOR case.
9962 (dwarf2out_frame_debug): Revised to use cfa_temp.
9963 (output_aranges): Cast as "unsigned" to avoid warning.
9964 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
9965 explain which instructions must be marked.
9967 2001-02-01 Richard Henderson <rth@redhat.com>
9969 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
9972 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
9974 * config/sh/crt1.asm (main_k): Modified so that start calls
9975 ___setup_argv_and_call_main.
9977 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
9979 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
9980 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
9981 and AVOID_LPASTE is cleared on meeting an unescaped newline.
9982 * cppmacro.c (builtin_macro): Set builtin flags here.
9983 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
9984 (replace_args): Clarify intent.
9985 (cpp_get_token): Macro expansion tokens get the saved flags.
9987 * cppmain.c (scan_buffer): Remove now-redundant print.printed
9990 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9992 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
9995 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9997 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
9998 returns Pmode pseudo, but we need ptr_mode.
9999 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
10000 Remove bogus conversions; use HOST_WIDE_INT for size.
10001 Don't use TARGET if wrong mode.
10003 * config/i386/i386.c (ix86_compute_frame_size): Allow
10004 stack_alignment_needed to be non-default even if size is zero.
10006 2001-01-31 Alan Modra <alan@linuxcare.com.au>
10008 * pa.c (hppa_init_pic_save): New function.
10009 * pa.h (hppa_init_pic_save): Declare.
10010 * pa.md (call, call_value, sibcall, sibcall_value): Use
10011 the above instead of duplicated code.
10013 * pa.c (hppa_encode_label): Correct size of alloca buffer
10014 so we don't overrun it. Correct leading `*' case.
10015 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
10016 need to handle `*@'.
10017 (FUNCTION_NAME_P): Likewise.
10019 2001-01-31 Richard Henderson <rth@redhat.com>
10021 * config.gcc (alpha-osf5): Use float-i128.h.
10023 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
10024 * config/float-i32.h: Likewise.
10025 * config/float-i64.h: Likewise.
10026 * config/float-sh.h: Likewise.
10027 * config/float-sparc.h: Likewise.
10029 2001-01-31 DJ Delorie <dj@redhat.com>
10031 * expmed.c (extract_bit_field): allow non-integral modes if we
10032 want to extract a whole register from itself.
10034 2001-01-31 Jakub Jelinek <jakub@redhat.com>
10036 * c-typeck.c (set_init_index): If first is equal to last, assume as
10037 if it was not a range at all.
10039 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10041 * config/fp-bit.c: Include tm.h.
10042 (float_to_si): Don't assume SImode is 32-bits wide.
10043 (float_to_usi): Likewise.
10045 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
10047 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
10049 (typename): Call pending_xref_error after parsing typed_typespecs.
10050 * c-decl.c (lookup_tag): Give error immediately rather than
10051 leaving it pending if the tag of the wrong type is in the same
10053 (xref_tag): Don't pedwarn for forward declarations of enum types
10055 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
10058 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10060 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
10062 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10064 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
10065 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
10067 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10069 * cpphash.h (struct cpp_reader): New saved_flags.
10070 * cppmacro.c (cpp_get_token): Use saved_flags to remember
10071 to avoid a paste after a pasted token.
10073 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10075 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
10076 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
10077 Wtype_MIN instead of LONG_MIN.
10079 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10081 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
10083 * fixinc/fixincl.x: Regenerated.
10084 * fixinc/inclhack.def (irix_limits_const): New definition to
10085 convert "const" to "__const" in limits.h.
10087 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10089 * fixinc/genfixes (AG): Fix "autogen4" thinko.
10091 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10093 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
10094 when register dies in the insn.
10096 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10098 * diagnostic.c (fatal): Fix word wrap.
10100 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
10102 * combine.c (try_combine): Fix SUBREG setting for
10103 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
10105 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10107 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
10110 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10112 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
10114 * toplev.c (decode_W_option): Update warn_larger_than
10115 unconditionally for each processed switch.
10117 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
10119 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
10121 (hppa_expand_prologue): Delete code to save pic offset table register
10122 in the function prologue.
10123 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
10124 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
10125 table register at the beginning of the function after the prologue.
10127 2001-01-29 lars brinkhoff <lars@nocrew.org>
10129 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
10131 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
10132 Jeff Law <law@redhat.com>
10134 * pa.md (return): Revise comment for trivial return.
10135 (return_internal): Non-trivial return pattern for non-PIC code.
10136 (return_internal_pic): Non-trivial return pattern for PIC code.
10137 It uses the PIC register to ensure it is restored after
10139 (epilogue): Generate appropriate return for PIC and non-PIC code.
10141 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
10143 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
10145 2001-01-29 DJ Delorie <dj@redhat.com>
10147 * combine.c (if_then_else_cond): Pass the correct mode to
10148 operand_subword() for constants.
10150 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
10152 * config/i386/cygwin.h: Add w32api to include search. Search different
10153 directories in a cross-build environment.
10155 2001-11-29 Tim Josling <tej@melbpc.org.au>
10157 * tree.h (TYPE_STUB_DECL): Add documentation.
10159 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
10161 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
10162 (sdbout_field_types): Likwise. Fix use of host_integerp.
10164 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
10166 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
10169 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
10171 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
10172 to use flag_gnu_linker.
10174 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
10176 * cpplib.c (T_BAD_DIRECTIVE): Remove.
10177 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
10179 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
10181 * tree.c, tree.h (build_parse_node): Remove; was identical to
10183 * c-lang.c (start_cdtor), objc/objc-act.c
10184 (build_module_descriptor): Use build_nt instead of
10187 2001-01-29 Jakub Jelinek <jakub@redhat.com>
10189 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
10190 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
10191 not have any upper bits set.
10193 2001-01-29 Phil Edwards <pme@sources.redhat.com>
10195 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
10197 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10199 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
10201 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
10203 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
10204 (integer_minus_one_node): Define.
10206 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
10208 * Makefile.in (bootstrap2-lean): Fix typo.
10210 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
10212 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
10213 : Don't set fe_value.
10214 * cpplib.h (AVOID_LPASTE): New flag.
10215 (struct cpp_hashnode): Remove fe_value.
10216 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
10217 * cppmacro.c (builtin_macro): Don't set flags here.
10218 (replace_args): Set AVOID_LPASTE flag on first token of an
10219 argument, and the token following it.
10220 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
10221 macro expansion, and on the token following it. Do it for
10223 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
10225 2001-01-27 Richard Henderson <rth@redhat.com>
10227 * config/alpha/t-ieee: Remove multilibbing.
10228 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10230 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10232 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10234 * Makefile.in: Remove all dependencies on defaults.h.
10235 * builtins.c: Don't include defaults.h.
10236 * c-common.c: Likewise.
10237 * c-decl.c: Likewise.
10238 * c-pragma.c: Likewise.
10239 * c-typeck.c: Likewise.
10240 * combine.c: Likewise.
10241 * i386.c: Likewise.
10242 * frame-ia64.c: Likewise.
10243 * cppexp.c: Likewise.
10244 * crtstuff.c: Likewise.
10245 * dbxout.c: Likewise.
10246 * dwarf2out.c: Likewise.
10247 * dwarfout.c: Likewise.
10248 * emit-rtl.c: Likewise.
10249 * except.c: Likewise.
10250 * expr.c: Likewise.
10251 * final.c: Likewise.
10252 * frame-dwarf2.c: Likewise.
10253 * libgcc2.c: Likewise.
10254 * optabs.c: Likewise.
10255 * profile.c: Likewise.
10256 * sdbout.c: Likewise.
10257 * toplev.c: Likewise.
10258 * tradcif.y: Likewise.
10259 * tree.c: Likewise.
10260 * varasm.c: Likewise.
10262 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10264 * builtins.c (expand_builtin_fputs): Use size_one_node when
10265 transforming into fwrite.
10267 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
10269 * extend.texi (Attribute Syntax): New section.
10271 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10273 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
10274 they didn't need fixing.
10276 2001-01-27 Janis Johnson <janis@us.ibm.com>
10278 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
10280 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
10281 to remove macro definitions that are duplicated from elfos.h.
10283 2001-01-27 Richard Henderson <rth@redhat.com>
10285 * config/i386/sco5gas.h: Move ...
10286 * config/usegas.h: ... here.
10287 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
10289 2001-01-27 Jakub Jelinek <jakub@redhat.com>
10291 * c-typeck.c (struct constructor_stack): Add range_stack member.
10292 (really_start_incremental_init): Clear it.
10293 (push_init_level): Save constructor_range_stack and clear it if
10294 pushing explicit braces.
10295 (pop_init_level): abort if constructor_range_stack is non-zero at
10296 explicit closing brace. Restore saved constructor_range_stack if
10299 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10301 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
10302 into register was forced into memory.
10304 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10306 * Makefile.in: Remove uses of + before $(MAKE).
10308 2001-01-26 Richard Henderson <rth@redhat.com>
10310 * stmt.c (cost_table): Remove.
10311 (COST_TABLE, cost_table_initialized): New.
10312 (estimate_case_costs): Use the later instead of the former.
10313 (balance_case_nodes): Likewise.
10315 2001-01-26 Richard Henderson <rth@redhat.com>
10317 * alias.c (objects_must_conflict_p): Read-only slots may not
10318 conflict despite having the same type.
10320 2001-01-27 Michael Hayes <mhayes@redhat.com>
10322 * loop.c (loop_giv_reduce_benefit): Copy mode size into
10324 (check_ext_dependant_givs): Initialise u_start_val and
10326 (load_mems): Make last_max_reg unsigned.
10327 (try_swap_copy_prop): Use INSN_P and initialise set.
10329 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
10331 * README.AVR : Removed.
10333 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
10335 * pa-64.h (text_section): Remove declaration.
10337 * pa.md (return_internal): Remove mode on PIC register use.
10339 2001-01-25 lars brinkhoff <lars@nocrew.org>
10341 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
10342 ASM_CLOSE_PAREN): fix typos.
10344 2001-01-25 Mark Mitchell <mark@codesourcery.com>
10346 * acconfig.h: Define `const' to the empty string if neither
10347 __STDC__ nor __cplusplus is defined.
10348 * config.in: Regenerated.
10350 2001-01-25 David Edelsohn <edelsohn@gnu.org>
10352 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
10353 * collect2.c (main): Delete importf. Add ".obj" file extension.
10354 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
10355 (aix_std_libs): Add additional AIX libraries to skip.
10356 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
10357 * config/rs6000/aix51.h: New file.
10359 2001-01-25 Michael Hayes <mhayes@redhat.com>
10361 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
10362 (loop_insn_emit_before): No longer static.
10363 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
10364 (loop_givs_rescan, load_mems): Likewise.
10365 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
10366 (maybe_eliminate_biv_1):
10367 (move_movables): Replace emit_call_insn_before with
10368 loop_call_insn_hoist.
10369 * loop.h (loop_insn_emit_before): Add.
10370 * unroll.c (copy_loop_body): Replace emit_insn_before with
10371 loop_insn_emit_before.
10373 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
10375 * diagnostic.c (fatal): Request preprocessed source.
10377 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
10379 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
10380 olddecl has argument types and newdecl has none, use the argument
10381 types from olddecl.
10383 2001-01-24 Ulrich Drepper <drepper@redhat.com>
10385 * dwarf2out.c (prefix_of): New function. Determine longest common
10386 prefix of the two arguments. The units are whole path components.
10387 (output_file_names): When adding a new directory find the one entry
10388 with the longest common prefix already in the list. Artificially
10389 generate entry if there is none for this prefix.
10390 Fix test to check whether the zeroth directory entry is used.
10392 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
10394 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
10395 Changed all callers. Take it into account when deciding if a
10396 previously loaded value matches.
10398 2001-01-24 Richard Henderson <rth@redhat.com>
10400 * reload.c (find_reloads_subreg_address): Fail the substitution
10401 if the resulting address is insufficiently aligned.
10403 2001-01-24 DJ Delorie <dj@redhat.com>
10405 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
10406 check the original operand's mode also.
10407 * simplify-rtx.c (simplify_ternary_operation): Ditto.
10409 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10411 * c-parse.in (cast_expr): Move compound literals from here ...
10412 (primary): ... to here. Use standard terminology "compound
10413 literal" instead of "constructor expression".
10415 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10417 * gcc.1, cpp.1: Regenerate.
10419 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
10421 * calls.c (emit_library_call_value_1): Memory slot for
10422 pass-by-reference argument should have the mode of the argument,
10423 not of the pointer to it.
10425 2001-01-24 Tom Tromey <tromey@redhat.com>
10427 * gcc.texi (G++ and GCC): Mention gcj manual.
10428 (Standards): Link to section of manual mentioning gcj/Java
10431 2001-01-24 Jakub Jelinek <jakub@redhat.com>
10433 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
10434 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
10435 * tradcpp.c (main): Add -imacros or -include'd dependencies
10437 * cpp.texi (-M, -MM): Document -M -include behaviour.
10439 2001-01-24 Roger Collins <roger@ProProject.com>
10441 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
10443 2001-01-24 Will Cohen <wcohen@redhat.com>
10445 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
10446 whether registers are 32 bits or 64 bits in size.
10448 2001-01-24 Ben Elliston <bje@redhat.com>
10450 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
10452 2001-01-24 Richard Henderson <rth@redhat.com>
10454 * config/alpha/alpha.md (builtin_longjmp_internal): New.
10455 (builtin_longjmp): Use it instead of emit_indirect_jump.
10457 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
10459 * bb-reorder.c (make_reorder_chain_1): Handle case where
10460 jump edge goes to the same block as the fallthru edge.
10462 2001-01-23 Jim Wilson <wilson@redhat.com>
10464 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
10465 * frame.h (__ia64_personality_v1): Add prototype.
10466 * libgcc2.c (ia64_throw_helper): Change personality declaration to
10467 prototype form. Add void * cast to first argument to personality
10469 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
10470 (asctoe113): Likewise.
10471 * config/ia64/frame-ia64.c: Include eh-common.h.
10472 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
10474 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
10476 (itanium_split_issue): Add prototype.
10477 (gen_nop_type): Ifdef out.
10478 (find_best_packet): Initialize best_packet.
10479 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
10481 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
10482 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
10483 (flushrs): Add explicit stop bit at end.
10484 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
10487 2001-01-23 Chris Demetriou <cgd@broadcom.com>
10489 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
10491 * libgcc2.c (__terminate_func): Make variable static.
10492 (__terminate_set_func): New function to set __terminate_func.
10493 * libgcc2.h (__terminate_func_ptr): New typedef.
10494 (__terminate_set_func): New function.
10496 2001-01-23 Richard Henderson <rth@redhat.com>
10498 * flow.c (init_propagate_block_info): Don't consider unchanging
10499 memories for dead frame store elimination.
10501 2001-01-23 Richard Henderson <rth@redhat.com>
10503 * varasm.c (UNIQUE_SECTION): Move default implementation ...
10504 * defaults.h: ... here.
10506 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10508 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
10510 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
10512 * c-lex.c (lex_charconst): Fix typo: s/p/str.
10514 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10516 * rs6000.h (rs6000_return_addr): Move prototype from here...
10517 * rs6000-protos.h (rs6000_return_addr): ...to here.
10518 (rs6000_init_expanders): Delete prototype.
10520 2001-01-23 Nick Clifton <nickc@redhat.com>
10522 * invoke.texi: Replace , with \, inside @gccoptlist macros.
10523 (Spec Files): Document %B and %j and %. and %v3 and %M and
10524 %{S*&T} spec switches.
10526 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10528 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
10530 2001-01-23 Chris Demetriou <cgd@sibyte.com>
10531 Neil Booth <neil@daikokuya.demon.co.uk>
10533 * cpperror.c: Merge handlers of PEDWARN and WARNING.
10534 Have -Werror make pedantic warnings errors, like the
10537 2001-01-23 Phil Edwards <pme@sources.redhat.com>
10539 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
10541 2001-01-23 Jakub Jelinek <jakub@redhat.com>
10543 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
10544 * integrate.c (expand_inline_function): Initialize them.
10545 (subst_constants): If changing COMPARE so that both its arguments
10546 will be VOIDmode and the comparison mode will be lost, note
10547 compare_mode. Use the recorded compare_mode to optimize
10550 2001-01-23 Jason Merrill <jason@redhat.com>
10552 * dwarf2out.c (new_die): Use xcalloc.
10553 (output_die): Abort rather than emit a local reference to offset 0.
10555 2001-01-17 Andrew Haley <aph@redhat.com>
10557 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
10558 of a saved register; return NULL instead.
10559 (copy_reg): Take a pointer to a source register rather than a
10561 (next_stack_level): Remember the address in the stack frame of all
10563 Use the saved register pointer array as the source of the CFA.
10564 (throw_helper): Rewrite. Unwind once rather than twice and keep
10565 track of saved registers as we go.
10567 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10569 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
10570 * c4x.c (c4x_legitimize_reload_address): Remove.
10571 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
10572 reload address for ldp(k) insn.
10574 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
10576 * pa.md (return_internal): Add a USE of the PIC register to ensure
10577 it is restored after each call.
10578 (return expander): Corresponding changes.
10580 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10582 * rs6000.h (INIT_EXPANDERS): Delete.
10583 (RETURN_ADDR_RTX): Call rs6000_return_addr().
10584 * rs6000.c (rs6000_override_options): Call *_machine_status from
10586 (rs6000_init_expanders): ...instead of here. Delete.
10587 (rs6000_mark_machine_status): New function.
10588 (rs6000_init_machine_status): Use xcalloc.
10589 (rs6000_return_addr): Generate RTX for the return address.
10590 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
10591 (rs6000_stack_info): Use it.
10593 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
10595 * gthr-win32.h: Include errno.h to get a declaration for
10596 EINVAL and _mingw.h if the target is mingw32.
10598 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
10600 * cpp.texi: Correct typos.
10602 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10604 * explow.c (probe_stack_range): Ensure value passed to
10605 stack_check_libfunc is ptr_mode, not Pmode.
10607 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
10609 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
10610 case, don't use operand_subword to calculate a SUBREG that is
10613 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
10615 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10617 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
10618 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
10619 valid. If not replace it by equivalent insns.
10621 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10623 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
10624 contains SYMBOL_REF, LABEL_REF and CONST_INT.
10625 (c4x_U_constraint, symbolic_address_operand): Likewise.
10626 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
10628 (c4x_r11_set_p, c4x_check_laj_p): New functions.
10629 * c4x-protos.h (c4x_check_laj_p): Add prototype.
10630 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
10631 anulling slot because of silicon bug.
10632 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
10634 2001-01-22 Alan Modra <alan@linuxcare.com.au>
10636 * cppexp.c (parse_charconst): Change `mask' type to agree
10639 2001-01-21 Richard Henderson <rth@redhat.com>
10641 * config/i386/i386.c (ix86_asm_file_end): Disable putting
10642 pic_label_name in a linkonce section.
10644 2001-01-17 Philipp Thomas <pthomas@suse.de>
10646 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
10648 * configure: Regenerate.
10650 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
10652 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
10653 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
10655 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
10657 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
10658 If REVERSE nonzero then condition code in X must be reversed.
10659 (encode_section_info): Optimise if/else.
10660 (avr_function_value): Fix formatting.
10662 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
10663 (difficult_branch): Likewise.
10664 (rvbranch): Likewise.
10665 (difficult_rvbranch): Likewise.
10667 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
10669 * config/avr/libgcc.S: Fix comment.
10671 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10673 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
10675 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10677 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
10679 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10681 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
10682 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
10683 * configure, config.in: Regenerate.
10684 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
10685 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
10686 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
10687 (doprint.o): New rule.
10689 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
10691 * c-typeck.c (digest_init): Handle boolean types as scalars.
10693 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10695 * stmt.c (expand_return): Don't return anything if size is zero.
10696 Delete redundant assignment to BYTES.
10697 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
10699 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
10701 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
10702 the same as the default library function names.
10703 * config/avr/avr.md: Document special characters after '%'.
10704 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
10705 knowing which of the call-used registers are really clobbered.
10706 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
10707 New. Both quotient and remainder from one libgcc.S call.
10708 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
10709 clobber as few registers as possible.
10710 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
10712 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
10714 * cppmacro.c (funlike_invocation_p): Don't move back up to the
10715 context of the top of the stack.
10717 2001-01-20 Jakub Jelinek <jakub@redhat.com>
10719 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
10720 (fixup_var_refs_insns): ...here.
10722 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
10724 * function.c (fixup_var_refs_insns): Break up into
10725 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
10726 [loop over entire insn list], and fixup_var_refs_insns_with_hash
10727 [loop over hash table entries].
10728 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
10729 fixup_var_refs_insns_with_hash, to match above changes.
10731 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
10733 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
10734 (libgcc.a): Likewise.
10735 (stmp-multilib): Likewise.
10736 (STAGE2_FLAGS_TO_PASS): Likewise.
10738 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
10740 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
10741 temporary if no_new_pseudos.
10743 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
10745 * cppinternals.texi: Update.
10747 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
10749 * arm.c (arm_init_builtins): Re-enable builtins.
10751 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10753 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
10754 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
10755 element to be null, and always expect an EXPR_LIST.
10756 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
10757 * sched-deps.c (sched_analyze_1): Likewise.
10758 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10760 * regclass.c (max_set_parallel): New variable.
10761 (reg_scan): Take it into account in computation of max_parallel.
10762 (reg_scan_mark_refs, case SET): Compute it.
10764 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
10766 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
10767 * function.c (assign_parms): Use INTVAL for a CONST_INT.
10769 2001-01-19 Jason Merrill <jason@redhat.com>
10771 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
10772 for the abstract instance of an inline function.
10774 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
10775 J"orn Rennecke <amylaar@redhat.com>
10777 * reload1.c (move2add_note_store): Treat all registers directly or
10778 indirectly derived from a base register as members of the same set
10780 (reload_cse_move2add): Adjust accordingly. Take mode and offset
10781 of base register into account.
10783 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
10785 * alias.c (find_base_value): Recognize TRUNCATE.
10786 (record_set): In PLUS case, invalidate if other summand is also a
10789 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10791 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
10792 entry to be EXPR_LIST.
10793 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
10794 be an EXPR_LIST (but not null, which other code doesn't allow).
10795 (note_stores): Properly handle PARALLEL in SET.
10796 Recursively call for top-level PARALLEL.
10797 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
10798 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10800 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
10802 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
10804 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
10805 not pfile->skipping (== 0).
10807 2001-01-17 Nick Clifton <nickc@redhat.com>
10809 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
10812 2001-01-17 Jim Wilson <wilson@redhat.com>
10814 * invoke.texi (IA-64 options): Improve.
10816 2001-01-17 Tom Tromey <tromey@redhat.com>
10818 * invoke.texi (Optimize Options): Use `{}' to around @samp
10821 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
10823 * invoke.texi (-fno-guess-branch-probability): New option.
10825 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10827 * combine.c (try_combine): Don't set i3_subst_into_i2 for
10828 case of making new double-word constant.
10829 Revert last change: instead just test i3_subst_into_i2.
10831 2001-01-17 Jakub Jelinek <jakub@redhat.com>
10833 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
10834 Use q constraints instead of r.
10836 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
10838 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
10839 (machine_function): Define.
10840 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
10841 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
10842 pa_free_machine_status): New functions.
10843 (override_options): Set {init,mark,free}_machine_status to above.
10844 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10845 PIC_OFFSET_TABLE_REGNUM_SAVED.
10846 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10847 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
10848 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
10849 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
10850 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10852 2001-01-15 DJ Delorie <dj@redhat.com>
10854 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
10858 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10860 * flow.c (propagate_one_insn): Make trying to delete a prologue
10861 or epilogue insn an ICE, not a warning. Allow doing this if
10862 the current function returns with stack pointer depressed.
10864 * combine.c (try_combine): If i3_subst_into_i2, properly check for
10865 I3 having more than one SET.
10867 2001-01-16 Jim Wilson <wilson@redhat.com>
10869 * invoke.texi: Document IA-64 options.
10871 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
10872 (fixup_errata): Delete TARGET_A_STEP use.
10873 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
10874 (TARGET_SWITCHES): Delete -ma-step option.
10875 * config/ia64/ia64.md (all FP patterns): Delete %B0.
10876 (movqicc_astep, movqi_internal_astep, movhicc_astep,
10877 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
10878 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
10879 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
10880 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
10882 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
10883 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
10884 cmovsi_internal): Delete ! TARGET_A_STEP check.
10886 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10888 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
10889 possibility to report bugs via postal mail. Change a URL and
10890 merge in a nearly duplicate statement...
10891 (Bug Reporting): ...from here.
10892 (Service): Refer to the Bug Reporting section instead of
10893 duplicating an URL.
10894 (Contributing): Remove trivial explanations concerning snapshots.
10896 2001-01-16 Alan Modra <alan@linuxcare.com.au>
10898 * cppmain.c (general_init): Don't use ANSI prototype.
10900 2001-01-16 Tom Tromey <tromey@redhat.com>
10902 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
10904 2001-01-16 Richard Henderson <rth@redhat.com>
10906 * config/i386/i386.h: Fix comment typo.
10907 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
10908 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
10910 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10912 * gcc.c: Revert previous -fsyntax-only-related change; move
10915 2001-01-16 Jakub Jelinek <jakub@redhat.com>
10917 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
10918 inmode after checking GET_CODE (op).
10920 2001-01-16 Richard Henderson <rth@redhat.com>
10922 * flow.c (struct propagate_block_info): Add mem_set_list_len.
10923 (MAX_MEM_SET_LIST_LEN): New.
10924 (propagate_one_insn): Update mem_set_list_len.
10925 (invalidate_mems_from_autoinc): Likewise.
10926 (invalidate_mems_from_set): Likewise.
10927 (mark_used_regs): Likewise.
10928 (init_propagate_block_info): Likewise. Stop collecting memories
10929 when we reach MAX_MEM_SET_LIST_LEN.
10930 (mark_set_1): Likewise.
10932 2001-01-16 Richard Henderson <rth@redhat.com>
10934 * unroll.c (precondition_loop_p): Fail if no iteration
10937 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10939 * gcc.c: When -fsyntax-only is given, do not complain about
10942 2001-01-15 Richard Henderson <rth@redhat.com>
10944 * config/i386/i386.c (asm_output_function_prefix): Remove.
10945 (ix86_asm_file_end): New.
10946 (load_pic_register): Generate pic_label_name into a
10947 staticly allocated buffer.
10948 * config/i386/i386-protos.h: Update.
10949 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
10950 (ASM_FILE_END): New.
10951 * config/i386/i386afe.h: New file.
10952 * config.gcc (i?86-*-elf) [tm_file]: Use it.
10953 (i?86-*-{freebsd,linux*,moss*}): Likewise.
10954 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
10955 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
10956 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
10957 * config/i386/sco5.h (ASM_FILE_END): Likewise.
10958 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
10960 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
10962 * Makefile.in (install-man): Remove explicit dependency on
10965 * configure.in, configure: Revert previous patch requiring perl
10968 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
10970 * toplev.c (flag_guess_branch_prob): New.
10971 (f_options): Add guess-branch-probability option.
10972 (rest_of_decl_compilation): Only estimate branch probability if
10974 (main): set flag_guess_branch_prob.
10976 * flags.h (flag_guess_branch_prob): New.
10978 2001-01-15 DJ Delorie <dj@redhat.com>
10980 * gcc.texi (Makefile): Add documentation for Makefile targets.
10982 2001-01-15 Philip Blundell <philb@gnu.org>
10984 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
10986 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
10987 (is_pic): Delete declaration.
10988 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
10989 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
10990 * config/arm/arm.md (builtin_setjmp_receiver): New.
10992 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10994 * arm.c (use_return_insn): Don't try to determine the function type
10995 until after reload has completed.
10996 (arm_output_epilogue): Don't adjust the sp value recovered from the
10998 (emit_multi_reg_push): Don't record dwarf information for the pc.
10999 * arm.md (eh_epilogue): The function type may have changed, so it
11000 needs to be recalculated.
11001 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
11002 unwind tables on arm/netbsd.
11004 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11006 * arm.md (cbranchsi4): Correct calculation of branch ranges.
11007 (negated_cbranchsi4): Likewise.
11009 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11011 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
11012 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11013 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
11014 pass -mapcs-* options to assembler.
11015 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
11016 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11017 (ASM_SPEC): Call subtarget_extra_asm_spec.
11019 2001-01-15 Andreas Jaeger <aj@suse.de>
11021 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
11023 (ix86_expand_builtin): Likewise.
11025 * gencodes.c (output_predicate_decls): Make i size_t to avoid
11026 warning about comparison between signed and unsigned.
11028 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11030 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
11032 2001-01-14 Ralf Baechle <ralf@gnu.org>
11034 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
11035 SUBTARGET_CPP_SPEC apropriatly.
11037 2001-01-12 Mark Mitchell <mark@codesourcery.com>
11039 * varasm.c (make_decl_rtl): Fix typo in last change.
11041 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
11043 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
11044 linker supports the init_priority C++ attribute.
11045 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
11046 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
11047 linker does not support init_priority C++ attribute.
11049 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
11051 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
11053 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11055 * c-parse.in (finish_parse): Add comment about cpp_destroy.
11056 * cp/lex.c (finish_parse): Similarly.
11057 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
11058 Return the number of errors encountered.
11059 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
11060 * cppmain.c (main): Don't call cpp_destroy.
11062 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
11064 * configure.in: Require at least perl 5.6.0 to regenerate
11066 * configure: Regenerate.
11068 2001-01-14 Richard Henderson <rth@redhat.com>
11070 * genrecog.c (DT_veclen_ge): New.
11071 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
11072 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
11073 (nodes_identical_1): Handle DT_veclen_ge.
11074 (write_cond, debug_decision_2): Likewise.
11076 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11078 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
11080 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
11082 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11084 * cppmain.c (do_preprocessing): New function; most of the old
11086 (main): Call it to do most of the work.
11087 (cb): Move from global scope to set_callbacks ().
11088 (setup_callbacks): Get the callback pointer.
11089 (general_init, printer_init): Clean up code and comments.
11091 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11093 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
11096 2001-01-14 Kazu Hirata <kazu@hxi.com>
11098 * config/h8300/h8300.c (get_shift_alg): Update comments.
11100 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11102 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
11103 (alloc_page, ggc_alloc): Add casts to remove warnings.
11105 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11107 * combine.c (simplify_comparison): Don't change `code' when
11108 can't reverse comparison.
11110 2001-01-14 Richard Henderson <rth@redhat.com>
11112 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
11113 update all call sites. Return true for all non-label constants.
11115 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
11117 * i386.c (ix86_expand_compare): Add bypass_test and second_test
11119 (ix86_expand_branch): Update.
11120 (ix86_expand_setcc): Update to handle multiple test conditions.
11121 (expand_int_movcc): Likewise.
11122 (expand_fp_movcc): Likewise.
11123 * i386-protos.h (ix86_expand_compare): New.
11124 * i386.md (andqi_?_slp, orqi_?_slp): New.
11125 (conditional trap expander): Update call to ix86_expand_compare.
11127 2001-01-14 Richard Henderson <rth@redhat.com>
11129 * config/vax/vax.md: Use nonimmediate_operand instead of
11130 general_operand in destinations.
11132 * config/vax/vax.md (indirect_jump): Use register_operand.
11134 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
11135 * config/vax/vax.md (call_pop): Turn into an expander.
11136 (call_value_pop): Likewise.
11137 (call, call_value): New.
11139 2001-01-14 Andreas Jaeger <aj@suse.de>
11141 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
11143 (ix86_fp_compare_mode): Add unused attribute.
11144 (ix86_expand_fp_movcc): Remove unused variable.
11145 (ix86_expand_builtin): Make fcode unsigned.
11147 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
11148 (expand_expr): Add cast to avoid signed warning.
11149 (store_field): Likewise.
11150 (store_constructor_field): Likewise.
11151 (store_constructor): Likewise.
11152 (store_expr): Likewise.
11153 (clear_storage): Likewise.
11154 (emit_group_store): Likewise.
11155 (emit_group_load): Likewise.
11157 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11159 * c-common.c: Move format checking code to ...
11160 * c-format.c: ... here. New file. Reorder some functions and
11162 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
11164 * c-common.h (decl_handle_format_attribute,
11165 decl_handle_format_arg_attribute): Declare.
11166 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
11167 (c-common.o): Adjust dependencies.
11168 (c-format.o): New list of dependencies.
11170 2001-01-13 Jakub Jelinek <jakub@redhat.com>
11172 * unroll.c (loop_iterations): If we cannot prove iteration variable
11173 is set once in each iteration, punt.
11175 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
11177 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
11178 (*strlenhi): Remove clobber (which was buggy) of output address.
11180 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11182 * Makefile.in (generated-manpages): Add gcc.1
11183 ($(srcdir)/gcc.1): New target.
11184 (maintainer-clean): Delete $(srcdir)/gcc.1.
11185 * gcc.texi: Add macros @gccoptlist and @gol.
11186 * invoke.texi: Include option summary in manpage. Mark up option
11187 summary with @gccoptlist and @gol. Use @r in one place where
11189 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
11190 * gcc.1: Generate from invoke.texi.
11192 2001-01-13 Richard Henderson <rth@redhat.com>
11194 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
11195 (struct page_entry): Add group member.
11196 (struct page_group): New.
11197 (struct globals): Add page_groups member.
11198 (alloc_anon): Only define for using mmap; remove valloc call.
11199 (page_group_index): New.
11200 (set_page_group_in_use): New.
11201 (clear_page_group_in_use): New.
11202 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
11203 (free_page, release_pages): Likewise.
11204 * configure.in (with-gc): Default to ggc-page always.
11206 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11208 * reload1.c (replace_pseudos_in_call_usage): Use
11209 reg_equiv_constant and reg_equiv_address, and don't try
11210 regno_reg_rtx first.
11212 2001-01-13 Richard Henderson <rth@redhat.com>
11214 * ggc-page.c (alloc_page): Round up allocation size to one page.
11215 Set e->order on extra pages.
11217 2001-01-13 Richard Henderson <rth@redhat.com>
11219 * genrecog.c (nodes_identical): Expand commentary.
11220 (write_switch): Watch out for identical nodes.
11222 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11224 * cppfiles.c (_cpp_fake_include): New function.
11225 * cpphash.h (_cpp_fake_include): New.
11226 * cpplib.c (do_line): Call _cpp_fake_include when entering
11227 header files in preprocessed input.
11228 * cppmain.c (cb_pragma_implementation): Remove handling.
11229 (setup_callbacks): Don't register pragmas.
11231 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11233 * extend.texi: Udate for CPP.
11235 2001-01-13 Andreas Jaeger <aj@suse.de>
11237 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
11239 * regmove.c: Add prototype for replace_in_call_usage.
11241 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11243 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
11244 struct cpp_chunk, struct htab, struct toklist,
11245 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
11246 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
11247 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
11248 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
11249 (struct macro_args): Delete.
11250 * cpphash.h: See above.
11252 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11254 * cppmain.c (struct printer): Remove no_line_dirs.
11255 (options, cb): New.
11256 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
11257 : Use options rather than CPP_OPTION.
11258 (setup_callbacks): Use cb rather than pfile->cb.
11259 (main): No need to check for a buffer. Use cpp_errors.
11260 (printer_init): Don't set no_line_dirs.
11261 (maybe_print_line): Use options not no_line_dirs.
11262 (cb_file_change): Don't call print_line if -P.
11264 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11266 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
11268 * c-parse.in (finish_parse): Use cpp_errors.
11269 (__yylex): Use return value of cpp_pop_buffer.
11270 * cp/lex.c (finish_parse): Use cpp_errors.
11271 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
11273 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
11275 * README.AVR: URLs corrected.
11277 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11279 * c-decl.c (start_function): Don't warn if old prototype is builtin
11280 that's not in C's namespace.
11281 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
11282 (_bb): Add prototype for ctime.
11283 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
11285 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
11287 * i386.c (ix86_fp_comparison_arithmetics_cost,
11288 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
11289 ix86_fp_comparison_cost): New functions.
11290 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
11291 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
11292 two-branch sequences; make static.
11293 (ix86_use_fcomi_compare): Do decision according to the costs.
11294 (split_fp_branch): New.
11295 * i386.md (compare-and-branch patterns): Use split_fp_branch.
11296 * i386-protos.h (ix86_expand_fp_compare): Remove
11297 (ix86_split_fp_branch): Declare.
11299 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
11300 and ix86_comparison_operator.
11302 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
11303 to make it cheaper.
11305 * i386.c (put_condition_code): Output properly the unordered/ordered
11306 compares in fp case.
11307 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
11309 * tm.texi (REVERSE_CONDITION): Document.
11310 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
11311 in -ffast-math mode.
11312 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
11314 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11316 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
11318 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
11321 * config/sh/sh.c (mova_p): Fix test for mova_const.
11323 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11325 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
11326 cpp_get_options rather than dereferencing pfile and using
11328 * scan-decls.c (scan_decls): Use return value of
11329 cpp_pop_buffer rather than CPP_BUFFER.
11331 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11333 * cppinit.c (cpp_handle_option): help_only is now part of the
11334 cpp_options structure.
11335 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
11336 cpp_set_callbacks): New functions.
11337 * cpplib.h (cpp_callbacks): Break out as a named structure.
11338 (cpp_options): Move help_only here from cpp_reader.
11339 (CPP_FATAL_ERRORS): Update to use cpp_errors.
11340 (cpp_errors, cpp_get_options, cpp_get_callbacks,
11341 cpp_set_callbacks): New prototypes.
11342 * cppmain.c (main): Update for help_only.
11344 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11346 * Makefile.in (info, maintainer-clean, install-info, uninstall):
11347 Also build and remove and install and uninstall c-tree.info and
11349 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
11350 ($(srcdir)/cppinternals.info): New target.
11351 * c-tree.texi: Change file name used when makeinfo used without -o
11352 from ir.info to c-tree.info. Add info directory entry.
11353 * cppinternals.texi: Add info directory entry.
11354 * .cvsignore: Update.
11356 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11358 * c-typeck.c (store_init_value): Don't require constant initializer
11359 elements with -pedantic -std=c99.
11360 (digest_init): Change error about non-constant initializer elements
11362 (constructor_range_end): Remove.
11363 (constructor_incremental, designator_depth,
11364 designator_errorneous): New variables.
11365 (struct constructor_stack): Remove range_end, add incremental.
11366 (struct constructor_range_stack, constructor_range_stack): New.
11367 (struct initializer_stack): Add constructor_range_stack.
11368 (finish_init): Set it.
11369 (start_init): Likewise. require_constant_elements for non-static
11370 trees only if not flag_isoc99.
11371 (really_start_incremental_init): Remove constructor_range_end, add
11372 constructor_incremental.
11373 (pop_init_level): Likewise.
11374 (push_init_level): Likewise. If implicit and the subobject had some
11375 value set already, preinitialize the level with it.
11376 Warn about missing braces only if not pushing due to designators.
11377 (set_designator, push_range_stack): New functions.
11378 (set_init_label): Use them.
11379 (set_init_index): Likewise. Remove constructor_range_end.
11380 Error if designator index is outside of array bounds.
11381 (add_pending_init): Compare values of purpose index trees, not the
11382 trees themselves. Allow overwriting of already initialized element.
11383 Issue a warning if it had side-effects.
11384 (set_nonincremental_init, set_nonincremental_init_from_string): New
11386 (pending_init_member): Rename to...
11387 (find_init_member): ...this function. Call set_nonincremental_init
11388 if necessary. Compare values of purpose index trees, not the trees
11389 themselves. Return the actual value, not just non-zero if something
11391 (output_init_element): Remove checks for duplicates.
11392 If field has zero size, only check the initializer for correctness.
11393 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
11394 if constructor_incremental is zero. Change error about initializers
11395 not computable at load time into pedwarn.
11396 (output_pending_init_elements): Compare bit positions, not
11397 FIELD_DECLs to take into account zero-sized fields.
11398 (process_init_element): Use constructor_range_stack to fill all
11399 ranges in the designator lists from current level up.
11400 * extend.texi: Update documentation for labeled elements.
11402 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
11404 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
11405 to function usage for arguments passed by reference. Optimize
11406 callee-copied arguments.
11407 * regmove.c (replace_in_call_usage): New function.
11408 (fixup_match_1): Call it.
11409 * cse.c (cse_insn): Canonicalize registers in function usage.
11410 * reload1.c (replace_pseudos_in_call_usage): New function.
11413 * Makefile.in: Reverted yesterday's wrong patch. Installed the
11416 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11418 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
11421 2001-01-12 DJ Delorie <dj@redhat.com>
11423 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
11424 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
11427 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11429 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
11430 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
11431 -std options alongside references to -ansi. Update some
11432 documentation for C99.
11433 * cpp.1: Regenerate.
11435 2001-01-12 Andreas Jaeger <aj@suse.de>
11437 * haifa-sched.c (restore_line_notes): Remove argument block B
11439 * sched-ebb.c (schedule_ebb): Change caller.
11440 * sched-rgn.c (schedule_region): Likewise.
11441 * sched-int.h (restore_line_notes): Adjust prototype.
11443 * loop.h: Remove wrong declaration of doloop_condition_get.
11445 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11447 * extend.texi: Move C++-extension-related node from the C section
11448 into the C++ section.
11450 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11452 * extend.texi: Refer to an array of pointers to functions instead
11453 of one of functions.
11455 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
11456 Jan Hubicka <jh@suse.cz>
11458 * combine.c (reversed_comparison): Fix typo in last patch.
11460 (combine_reversed_comparison_code): Make static to follow
11461 prototype declaration.
11463 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11465 * install.texi: Remove misplaced duplicate entry.
11467 2001-01-11 Ulrich Drepper <drepper@redhat.com>
11469 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
11471 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
11473 * final.c: (leaf_function_p): Fix typo.
11475 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
11477 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
11478 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
11480 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
11481 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
11482 mmap_anon, and valloc is available.
11483 * ggc-page.c: Restructure ifdef logic to match new autoconf
11484 spec. Don't throw away the test page in init_ggc.
11486 * configure, config.in: Regenerate.
11488 2001-01-12 Michael Hayes <mhayes@redhat.com>
11490 * loop.h (total_biv_increment): Constify iv_class pointer.
11491 (struct induction): Replace `mem_mode' with `mem' rtx.
11492 * unroll.c (total_biv_increment): Constify iv_class pointer.
11493 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
11494 (find_mem_givs, combine_givs_p): Likewise.
11495 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
11497 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
11499 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
11501 (__gthread_getspecific): Ditto.
11503 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
11505 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
11506 put_condition_code): Convert fp comparison codes to integer
11508 (ix86_expand_fp_compare): Postnote the fp comparison code converison
11511 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
11512 * i386-protos.h (no_comparison_operator): Kill.
11514 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
11516 * combine.c (REVERSIBLE_CC_MODE): Remove.
11517 (reversible_comparison_p): Remove.
11518 (combine_reversed_comparison_code): New.
11519 (reversed_comparison): New.
11520 (combine_simplify_rtx): Use
11521 combine_reversed_comparison_code/reversed_comparison instead
11522 of reversible_comparison_p.
11523 (simplify_if_then_else): Likewise.
11524 (simplify_set): Likewise.
11525 (simplify_logical): Likewise.
11526 (if_then_else_cond): Likewise.
11527 (known_cond): Likewise.
11528 (simplify_comparison): Likewise.
11530 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
11532 * builtins.c (std_expand_builtin_va_start): Handle varargs when
11533 sizeof (int) is larger than sizeof(__word__).
11535 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11537 * cppinit.c (do_includes): Fix typo.
11539 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11541 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
11542 in S_REGS does not occur because not all sources are possible
11543 when a S_REGS is a destination (sometimes needs a clobber).
11544 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
11545 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
11546 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
11547 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
11548 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
11549 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
11550 (lshrdi_const1, lshrsi3_const16): Likewise.
11551 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
11552 (*movhi_68hc12, *movqi_68hc12): Likewise.
11553 (movstrictqi): Make sure reloading in D_REGS as a destination
11556 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11558 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11560 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11562 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
11563 -D, -U and -A, and don't initialize the builtins.
11564 (do_includes): Error if -include or -imacros with -fpreprocessed.
11565 * cppmain.c (cb_define, cb_undef): Unconditionally process
11567 * tradcpp.c (main): Fix typo.
11569 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
11571 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
11572 (read_name_map): Use IS_ABSOLUTE_PATH.
11573 * tradcpp.c (get_filename): Likewise.
11575 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11577 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
11578 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
11579 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
11580 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
11581 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
11582 (cmphi_z_used): Don't use '@' for the output.
11583 (tstqi_z_used): Likewise.
11584 (cmpqi_z_used): Likewise.
11585 (one_cmplsi2): Likewise.
11587 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11589 * config/sh/sh.c (barrier_align): Recognize branch around far
11590 branch and redundant insn.
11592 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11594 * invoke.texi: Restore documentation of the drivers' switches -MD
11597 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11599 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
11601 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
11602 check-objc//%): Support parallel testing of multilibs.
11603 (TESTSUITEDIR): Set to testsuite by default, but override for
11605 (check-gcc, check-g++, check-g77, check-objc): Enter
11608 2001-01-11 Bernd Schmidt <bernds@redhat.com>
11610 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
11611 * sched-deps.c (deps_may_trap_p): Likewise.
11612 * basic-block.h: Remove a comment.
11613 * flow.c (PROP_POSTRELOAD): Remove.
11614 (update_life_info): Don't add it to prop_flags.
11615 (mark_set_1): Lose the code that was enabled by it.
11617 2001-01-11 Michael Hayes <mhayes@redhat.com>
11619 * flow.c (flow_call_edges_add): New.
11620 * basic_block.h (flow_call_edges_add): New.
11622 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
11624 * reload1.c (move2add_note_store): Update reg_set_luid even if
11625 base reg remains the same.
11627 2001-01-10 Nick Clifton <nickc@redhat.com>
11629 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
11630 machine_function structure to zero.
11631 Add prototypes for machine_status functions.
11633 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11635 * c-common.h (CTI_VOID_LIST): Remove.
11636 (void_list_node): Likewise.
11637 * tree.h (TI_VOID_LIST_NODE): New enumeral.
11638 (void_list_node): New macro.
11639 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
11640 * config/i386/i386.c (ix86_init_builtins): Likewise.
11641 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
11643 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11645 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
11646 * cppinit.c (cpp_start_read): Update comment, remove unneeded
11648 * tradcpp.c: Include mkdeps.h.
11649 (deps, print_deps_phony_targets, deps_append, output_deps,
11650 init_dependency_output, output_deps): New.
11651 (deps_buffer, deps_allocated_size, deps_size, deps_column,
11652 deps_output): Delete.
11653 (print_deps_missing_files): Rename deps_missing_files.
11654 (inhibit_output): Make global.
11655 (main): Delete inhibit_output, deps_stream, deps_target.
11656 Use mkdeps functionality in the same way as cpplib. Remove
11657 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
11658 -M and -MM. Remove old handling of deps via deps_out, and
11659 old reading of environment variables.
11660 (get_filename): Update to use deps_add_dep.
11662 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11664 * output.h (make_function_rtl): Remove prototype.
11665 (make_decl_rtl): Likewise.
11666 * varasm.c (make_function_rtl): Remove.
11667 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
11668 than from a third parameter.
11669 * tree.h (make_decl_rtl): Remove last parameter.
11670 * c-decl.c (builtin_function): Remove last argument in call to
11671 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
11672 (start_function): Likewise.
11673 * except.c (call_get_eh_context): Likewise.
11674 * expr.c (emit_block_move): Likewise.
11675 (clear_storage): Likewise.
11676 * profile.c (output_func_start_profiler): Likewise.
11677 * toplev.c (rest_of_decl_compilation): Likewise.
11678 * objc/objc-act.c (create_builtin_decl): Likewise.
11679 (synth_module_prologue): Likewise.
11680 (generate_static_reference): Likewise.
11681 (build_selector_reference_decl): Likewise.
11682 (build_class_reference_decl): Likewise.
11683 (build_objc_string_decl): Likewise.
11684 (build_protocol_reference): Likewise.
11686 2001-01-10 Richard Henderson <rth@redhat.com>
11688 * hwint.h: Revert yesterday's change.
11690 2001-01-10 Nick Clifton <nickc@redhat.com>
11692 * function.h (save_machine_status): Delete.
11693 (restore_machine_status): Delete.
11694 Amend comment describing {init|mark|free}_machine_status.
11696 * function.c (save_machine_status): Delete.
11697 (restore_machine_status): Delete.
11698 Amend comment describing {init|mark|free}_machine_status.
11699 (push_function_context_to): Remove invocation of
11700 save_machine_status.
11701 (pop_function_context_from): Remove invocation of
11702 restore_machine_status.
11704 * emit-rtl.c (init_emit_once): Amend comment describing
11705 {init|mark|free}_machine_status.
11707 * tm.texi (Per-Function Data): New node. Describe the
11708 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
11711 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11713 * cppinit.c (OPT_g): Remove.
11714 (cpp_handle_option): Update for removed -g3.
11715 (print_help): Update.
11716 * cpplib.h (struct cpp_options): Remove debug_output.
11717 * cppmain.c (setup_callbacks, cb_define): Update.
11718 * gcc.c (cpp_options): Translate -g3 to -dD.
11720 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
11722 * config/i960/i960.md: Change modifier to + on the zero_extract
11723 pattern after the (rotate -2 reg) canonicalization pattern.
11725 2001-01-10 Richard Henderson <rth@redhat.com>
11727 * config/alpha/alpha.c (alpha_free_machine_status): New.
11728 (override_options): Install it.
11729 (alpha_mark_machine_status): Verify machine non-null.
11730 * config/i386/i386.c (ix86_free_machine_status): New.
11731 (override_options): Install it.
11732 (ix86_init_machine_status): Use xcalloc.
11733 (ix86_mark_machine_status): Verify machine non-null.
11734 * config/ia64/ia64.c (ia64_free_machine_status): New.
11735 (ia64_override_options): Install it.
11736 (ia64_mark_machine_status): Verify machine non-null.
11738 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
11740 * function.c (instantiate_virtual_regs): Instantiate virtual
11741 registers found in CALL_INSN_FUNCTION_USAGE.
11743 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11745 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
11746 equivalent to -ansi in disabling -Di386.
11748 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
11750 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
11752 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
11754 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
11756 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
11758 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11760 * invoke.texi: Document that -fcond-mismatch isn't supported for
11763 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11765 * gcc.texi: Define macro gcctabopt.
11766 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
11767 @command, @env and @option in some places where appropriate. Use
11768 @gcctabopt where appropriate. Put URLs and email addresses inside
11771 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
11773 * gcc.c (cpp_options): Set MD file name from output
11774 filename, if specified.
11775 (suffix_subst): New static variable.
11776 (do_spec): Clear it.
11777 (do_spec_1, case '.'): Handle new `%.suffix' spec.
11779 (give_switch): Handle suffix_subst.
11781 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11783 * invoke.texi: Fix another typo.
11785 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11787 * invoke.texi: Fix typo.
11789 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11791 * c-lang.c (lang_hooks): Update.
11792 (lang_decode_option): Remove.
11793 (lang_init_options): Rename c_init_options.
11794 * toplev.c (main): Use lang_hooks for lang_init_options
11795 and lang_decode_option.
11796 * toplev.h (lang_hooks): Add 2 new hooks.
11797 * tree.h: Remove lang_init_options and lang_decode_option.
11798 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
11799 * cp/decl2.c: Similarly.
11800 * cp/lex.c (lang_init_options): Rename cxx_init_options.
11801 (lang_hooks): Update.
11802 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
11804 (lang_init_options): Rename ffe_init_options.
11805 (lang_hooks): Update.
11806 (lang_decode_option): Remove.
11807 * java/lang.c (lang_init_options): Rename java_init_options.
11808 (lang_decode_option): Rename java_decode_option.
11809 (lang_hooks): Update.
11810 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
11811 (lang_decode_option): Rename objc_decode_option.
11812 (lang_hooks): Update.
11814 2001-01-09 Nick Clifton <nickc@redhat.com>
11816 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
11817 (d30v_return_addr_rtx): Delete.
11818 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
11819 cfun->machine structure.
11820 (struct machine_function): Move to d30v.h
11821 (d30v_save_machine_status): Delete.
11822 (d30v_restore_machine_status): Delete.
11823 (d30v_init_machine_status): New Function.
11824 (d30v_mark_machine_status): New Function.
11825 (d30v_free_machine_status): New Function.
11826 (d30v_init_expanders): Use new functions.
11827 (d30v_return_addr): Use ra_rtx field in cfun->machine.
11828 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
11829 d30v_return_addr_rtx.
11831 * config/d30v/d30v.h (struct_machine): Move here.
11832 Add eh_epilogue_sp_ofs field.
11834 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
11835 field in cfun->machine structure.
11837 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
11839 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
11840 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
11841 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11843 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
11845 * objc/lang-options.h: Remove bogus reference to
11848 2001-01-09 Kazu Hirata <kazu@hxi.com>
11850 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
11853 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
11855 * reload.c (find_reloads_address): Check for eliminable registers
11856 when substituting a constant expression for a pseudo.
11858 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
11860 * c-common.c (enum format_type): Add format_type_error.
11861 (decode_format_type): New function.
11862 (decl_attributes): Use it.
11863 (format_kind_info): Adjust comment.
11865 2001-01-09 David O'Brien <obrien@BSDi.com>
11867 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
11868 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
11870 * config/i386/gnu.h: Don't include required platform specific .h files,
11871 tm.h will do it instead.
11872 * config/i386/i386elf.h: Likewise.
11873 * config/i386/linux.h: Likewise.
11874 * config/i386/moss.h: Likewise.
11875 * config/mips/gnu.h: Likewise.
11877 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11879 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
11880 (rs6000-ibm-aix3.[01]*): Likewise.
11881 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
11882 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
11883 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
11884 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
11885 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
11886 (powerpc-*-eabiaix*): Likewise.
11887 (powerpc-*-eabisim*): Likewise.
11888 (powerpc-*-elf*): Likewise.
11889 (powerpc-*-eabi*): Likewise.
11890 (powerpc-*-rtems*): Likewise.
11891 (powerpc-*-linux*libc1): Likewise.
11892 (powerpc-*-linux*): Likewise.
11893 (powerpc-wrs-vxworks*): Likewise.
11894 (powerpcle-wrs-vxworks*): Likewise.
11895 (powerpcle-*-sysv*): Likewise.
11896 (powerpcle-*-elf*): Likewise.
11897 (powerpcle-*-eabisim*): Likewise.
11898 (powerpcle-*-eabi*): Likewise.
11899 (powerpcle-*-solaris2*): Likewise.
11900 * config/rs6000/aix31.h: Delete includes.
11901 * config/rs6000/aix3newas.h: Likewise.
11902 * config/rs6000/aix41.h: Likewise.
11903 * config/rs6000/aix43.h: Likewise.
11904 * config/rs6000/beos.h: Likewise.
11905 * config/rs6000/rtems.h: Likewise.
11906 * config/rs6000/sysv4.h: Likewise.
11908 2001-01-09 Kazu Hirata <kazu@hxi.com>
11910 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
11911 Change an argument mode of machine_mode to shift_mode of
11912 shift_mode. Remove an extra error check.
11913 (emit_a_shift): Adopt to the new calling prototype of
11915 (function_prologue): Fix code for a monitor
11916 function. Support H8/S.
11917 (function_epilogue): Do not output pop for a monitor function.
11919 2001-01-09 Nick Clifton <nickc@redhat.com>
11921 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
11922 (setup_incoming_varargs): Use sysv_varargs_p field of the
11923 cfun->machine structure.
11924 (struct machine_function): Move to rs6000.h
11925 (rs6000_save_machine_status): Delete.
11926 (rs6000_restore_machine_status): Delete.
11927 (rs6000_init_machine_status): New Function.
11928 (rs6000_free_machine_status): New Function.
11929 (rs6000_init_expanders): Use new functions.
11931 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
11933 (struct machine_function): Move here.
11935 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
11936 sysv_varargs_p field of the cfun->machine structure.
11938 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
11940 (rs6000_restore_machine_status): Remove prototype.
11942 2001-01-09 Richard Henderson <rth@redhat.com>
11944 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
11945 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
11946 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
11947 (sched_analyze_2, sched_analyze_insn): Likewise.
11948 (sched_analyze, init_deps): Likewise.
11949 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
11950 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
11951 (compute_block_backward_dependences): Update propagate_deps call.
11953 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
11955 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
11957 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11959 * cppinit.c (OPT_MD, OPT_MMD): Restore.
11960 (cpp_handle_option): Handle them.
11961 (cpp_post_options): Ensure one of -M or -MM is specified with
11962 any other -M? option.
11963 (init_dependency_output): Suppress output with -MG.
11965 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11967 * cpp.texi: Update.
11968 * invoke.texi: Update.
11970 2001-01-09 Bernd Schmidt <bernds@redhat.com>
11972 * sh.md (reload_outsf): Generate recognizable patterns for
11975 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11977 * c-lang.c (lang_hooks): Update.
11978 (lang_init): Rename c_init.
11979 (lang_finish): Remove.
11980 * toplev.c (compile_file): Use lang_hooks for lang_init ()
11981 and lang_finish ().
11982 * toplev.h (lang_hooks): Add init () and finish ().
11983 * tree.h (lang_init, lang_finish): Remove.
11984 * cp/tree.h (lang_init, lang_finish): Remove.
11985 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
11986 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
11988 (lang_init, lang_finish): Remove.
11989 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
11990 (lang_hooks): Update.
11991 * java/lang.c (lang_init): Rename java_init.
11992 (lang_finish): Remove.
11993 (lang_hooks): Update.
11994 * objc/objc-act.c (lang_init): Rename objc_init.
11995 (lang_finish): Remove.
11996 (lang_hoooks): Update.
11998 20001-01-09 Graham Stott <grahams@redhat.com>
12000 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
12001 after `ptr` is initialised.
12003 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12005 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
12006 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
12007 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
12008 stack adjusts, instead of r3.
12010 2001-01-09 Michael Hayes <mhayes@redhat.com>
12012 * flow.c (flow_loop_scan): Break out of ...
12013 (flow_loops_find) ... here.
12014 * basic-block.h (flow_loop_scan): New.
12015 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
12016 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
12018 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12020 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
12022 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
12023 realloc()ing macro_buffer.
12025 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
12026 if it's wider than long and the target's long is wider than the
12029 2001-01-09 Mark Mitchell <mark@codesourcery.com>
12031 Remove support for using UWIN as a host machine.
12032 * configure.in: Issue an error message.
12033 * configure: Regenerated.
12034 * config.gcc: Remove xm_* UWIN configury.
12035 * config/i386/xm-uwin.h: Remove.
12037 2001-01-08 Nick Clifton <nickc@redhat.com>
12039 * config/v850/v850.c (ra_rtx): Delete.
12040 (v850_save_machine_status): Delete.
12041 (v850_restore_machine_status): Delete.
12042 (v850_init_machine_status): New function.
12043 (v850_mark_machine_status): New function.
12044 (v850_free_machine_status): New function.
12045 (v850_return_addr): Use ra_rtx field in machine structure.
12046 (v850_init_expanders): Use new functions.
12048 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
12049 * config/v850/v850.c: Change arguments to v850_output+* functions
12050 to take a const char *, to avoid compile time warning.
12051 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
12052 (USER_LABEL_PREFIX): Redefine.
12054 2000-01-08 Jim Wilson <wilson@redhat.com>
12056 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
12057 1 to unsigned HOST_WIDE_INT before left shift.
12059 2001-01-08 Nick Clifton <nickc@redhat.com>
12061 * config/arm/arm.c (arm_mark_machine_status): Check to see if
12062 the machine structure has been allocated.
12063 (arm_free_machine_status): New function: Free the machine
12064 specific function structure.
12066 2001-01-08 Richard Henderson <rth@redhat.com>
12068 * jump.c (simplejump_p): Revert last change.
12070 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
12072 * cppinit.c (init): Rename init_library.
12073 (cpp_create_reader): Update.
12074 * gcc.c (cpp_options): If -o given, use it as the target of
12077 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12079 * arm.c (arm_arch5e): New variable.
12080 (all_cores): XScale is a 5TE device.
12081 (arm_override_options): Set arm_arch5e.
12082 (arm_init_builtins): __builtin_prefetch is in arch5e.
12083 * arm.h (arm_arch5e): Declare it.
12085 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
12087 * arm.md (define_constants): Add defines for UNSPEC and
12088 UNSPEC_VOLATILE insns. Update all users.
12089 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
12090 * arm.c (multi_register_push, note_invalid_constants)
12091 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
12092 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
12093 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
12095 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
12097 * jump.c (jump_optimize_1): Use reversed_comparison_code
12098 instead of can_reverse_comparison_p.
12099 (jump_back_p): Likewise.
12100 (invert_exp_1): Likewise.
12101 (thread_jumps): Likewise.
12102 * simplify-rtx.c (simplify_unary_operation): Likewise.
12103 (simplify_ternary_operation): Likewise.
12104 * cse.c (find_comparison_args): Convert to use
12105 can_reverse_comparison_p.
12106 (record_jump_equiv): Likewise.
12108 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12110 * arm.h (HARD_REGNO_RENAME_OK): Delete.
12111 (EPILOGUE_USES): Define.
12112 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
12113 automatically stack the LR if it isn't live.
12115 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
12117 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
12120 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
12122 * ggc-page.c (max_alignment): New structure.
12123 (MAX_ALIGNMENT): New macro.
12124 (init_ggc): Use it to round up the sizes in the
12125 extra_order_size_table.
12127 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12129 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
12132 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12134 * builtins.def (BUILT_IN_FPRINTF): New entry.
12136 * c-common.c (c_expand_builtin_fprintf): New function.
12137 (init_function_format_info): Handle __builtin_fprintf.
12138 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
12139 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
12141 * c-decl.c (duplicate_decls): Adjust comment.
12143 * extend.texi (fprintf): Document new builtin.
12145 2001-01-07 Richard Henderson <rth@redhat.com>
12147 * jump.c (simplejump_p): Recognize any single_set jump
12148 of the proper form.
12150 2001-01-07 Richard Henderson <rth@redhat.com>
12152 * configure.in (slibdir): Accept an --with-slibdir option.
12153 Use "test" not "[" in configure. Default to $(libdir).
12155 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
12157 * config/t-aix43 (SHLIB_INSTALL): Likewise.
12158 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
12159 (SHLIB_LINK): Create links for the soname.
12160 * config/mips/t-iris6: Likewise.
12161 * config/sparc/t-slibgcc: Likewise.
12162 * config/sparc/t-slibgcc-sld: Likewise.
12164 2001-01-07 Jakub Jelinek <jakub@redhat.com>
12166 * config/i386/i386.c (constant_call_address_operand): Accept
12167 (const (plus (symbol_ref) (const_int))).
12168 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
12169 constant_call_address_operand.
12171 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12173 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
12174 and LONG_LONG_TYPE_SIZE > 32.
12176 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12178 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
12179 the previous change.
12181 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
12183 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
12185 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
12186 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
12187 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
12190 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12192 * fix-header.c (read_scan_file): s/pfile/scan_in/.
12194 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12196 * c-lang.c (c_post_options): Call cpp_post_options.
12197 * objc/objc-act.c (objc_post_options): Similarly.
12198 * cppmain.c (main): Similarly.
12199 * fix-header.c (read_scan_file): Similarly.
12200 * cppinit.c (cpp_start_read): Move option consistency checks
12201 to cpp_post_options. Don't call init_dependency_output.
12202 If needed, add default target and main file dependency.
12203 (OPT_MD, OPT_MMD): Remove.
12205 (cpp_handle_option): Update for OPT_* changes.
12206 (cpp_post_options): New.
12207 (init_dependency_output): Command line -MF overrides environment
12208 variables. Don't set default target etc. Suppress output
12209 if dependencies are going to stdout.
12210 (print_help): Update.
12211 * cpplib.h (cpp_post_options): New.
12212 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
12214 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
12216 * jump.c (comparison_dominates_p): Support unordered compares.
12218 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
12220 * simplify-rtx.c (simplify_relational_operation): Always simplify
12221 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
12224 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
12226 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
12227 (nonzero_bits): Likewise.
12228 (simplify_comparison): Likewise.
12229 (num_sign_bit_copies): Likewise; return more sane value depending
12230 on STORE_FLAG_VALUE.
12231 (known_cond): Do not assume EQ to be always true for equivalent
12234 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
12236 * cse.c (fold_rtx): Handle unordered comparisons.
12238 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
12240 * rtlanal.c (set_of_1): New static function.
12241 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
12242 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
12243 reg_set_last_last_regno): Remove.
12244 (set_of): New global function.
12245 (set_of_data): New structure.
12246 (reg_set_p, reg_set_last): Revamp for set_of.
12247 * rtl.h (set_of): New.
12249 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
12251 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
12252 * extend.texi: Document _Exit builtin.
12254 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12256 * (initialize, initialize_builtins,
12257 initialize_dependency_output, initialize_standard_includes):
12258 Rename s/initialize/init. Update.
12259 (init_dependency_output): Move to after
12260 cpp_handle_options, the correct location temporally at least.
12261 (opt_comp): Move next to init (), its caller. Fix prototype.
12262 (init): Make "initialized" local scope.
12263 (cpp_create_reader): Always call init ().
12264 (cpp_start_read): Update.
12265 (output_deps): New function, broken out of cpp_finish.
12266 (cpp_finish): Break out output_deps.
12268 2001-01-07 Richard Henderson <rth@redhat.com>
12270 * collect2.c (COFF specific stuff): Revert 12-06 patch
12271 to prototype system functions.
12273 2001-01-07 Michael Hayes <mhayes@redhat.com>
12275 * hard-reg-set.h: Add multiple include guard.
12276 * basic-block.h (struct loop): Add `sink' field.
12277 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
12278 (emit_iv_add_mult): Delete.
12279 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
12280 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
12281 (unroll_loop): Remove end_insert_before argument.
12282 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
12283 (maybe_eliminate_biv_1): Likewise.
12284 (emit_iv_add_mult): Delete.
12285 (gen_add_mult, loop_regs_update): New.
12286 (loop_insn_emit_after, loop_insn_emit_before): New.
12287 (loop_insn_sink, loop_insn_sink_or_swim): New.
12288 (emit_iv_add_mult): Delete.
12289 (scan_loop): Set loop->sink.
12290 (loop_givs_reduce): Use loop_insn_sink and its ilk.
12291 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
12292 (maybe_eliminate_biv_1): Likewise.
12293 (maybe_eliminate_biv_1): Add basic block argument.
12294 * unroll.c (unroll_loop): Remove end_insert_before argument.
12295 (find_splittable_regs): Likewise.
12296 (find_splittable_regs): Use loop_insn_sink and its ilk.
12297 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
12299 2001-01-07 Michael Hayes <mhayes@redhat.com>
12301 * loop.h (loop_insn_hoist): New prototype.
12302 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
12303 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
12304 (check_dbra_loop, load_mems): Likewise.
12305 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
12306 (find_splittable_givs): Likewise.
12308 2001-01-07 Michael Hayes <mhayes@redhat.com>
12310 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
12312 2001-01-07 Richard Henderson <rth@redhat.com>
12314 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
12316 2001-01-07 Richard Henderson <rth@redhat.com>
12318 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
12319 NO_SHARED_LIBGCC_MULTILIB as required for the target.
12320 * gcc.c (init_spec): Massage the existing libgcc_spec into a
12321 variant that handles a shared libgcc.
12322 (process_command): Always validate -{static,shared}-libgcc.
12323 (do_spec_1): New 'M' case.
12324 * invoke.text (Link Options): Document -{static,shared}-libgcc.
12326 2001-01-07 Richard Henderson <rth@redhat.com>
12328 * Makefile.in (slibdir): New variable.
12329 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
12330 (installdirs): Create slibdir.
12331 (install-libgcc, install-multilib): Defer to libgcc.mk.
12332 * configure.in (slibdir): Substitute.
12333 * mklibgcc.in (install): New target.
12335 * config/t-linux (SHLIB_LINK): Create links for the soname.
12336 (SHLIB_INSTALL): New.
12337 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
12338 * config/mips/t-iris6 (SHLIB_INSTALL): New.
12339 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
12340 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
12341 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
12343 2001-01-07 Richard Henderson <rth@redhat.com>
12345 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
12346 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
12347 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
12349 2001-01-07 Michael Hayes <mhayes@redhat.com>
12351 * loop.c (count_loop_regs_set): Delete.
12352 (load_mems_and_recount_loop_regs_set): Delete.
12353 (loop_regs_scan): Merge common code from count_loop_regs_set,
12354 scan_loop, and load_mems_and_recount_loop_regs_set.
12355 (scan_loop): Call load_mems directly and loop_regs_scan
12356 again if new registers created.
12358 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12360 * toplev.c (main): Call the front-end specific post_options
12361 hook if one is given.
12362 * toplev.h (struct_lang_hooks, lang_hooks): New.
12363 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
12364 for the C front end.
12365 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
12366 lang_hooks for the C++ front end.
12367 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
12368 lang_hooks for the ObjC front end.
12369 * f/com.c (lang_hooks): Hooks for the Fortran front end.
12370 * java/lang.c (lang_hooks): Hooks for the Java front end.
12372 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12374 * c-lex.c (init_c_lex): Request #define / #undef callbacks
12375 for verbose DWARF[2] debugging.
12376 (cb_define, cb_undef): The new callbacks.
12377 * toplev.h (debug_define, debug_undef): Make const correct.
12378 * toplev.c (debug_define, debug_undef): Similarly. Do not
12379 perform the verbosity tests here anymore.
12381 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
12383 * reload.c (subst_reloads): Take INSN argument. When
12384 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
12385 * reload.h (subst_reloads): Adjust prototype.
12386 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
12387 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
12388 present in JUMP_INSNs and copy them to JUMP_LABEL.
12389 * flow.c (find_label_refs, find_basic_blocks_1): Skip
12390 JUMP_INSNs and insns with REG_LABELs that are followed by
12391 JUMP_INSNs with the same REG_LABEL.
12392 * sched-rgn.c (is_cfg_nonregular): Likewise.
12393 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
12395 * unroll.c (unroll_loop): Look for REG_LABEL notes in
12397 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
12399 2001-01-06 Richard Henderson <rth@redhat.com>
12401 * loop.c (scan_loop): Use xcalloc for the regs array.
12402 (load_mems_and_recount_loop_regs_set): Zero the new memory
12403 received from xrealloc.
12405 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
12407 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
12409 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
12411 * integrate.c (copy_rtx_and_substitute): When copying
12412 an ignored return value, strip REG_FUNCTION_VALUE_P.
12414 2001-01-06 Michael Hayes <mhayes@redhat.com>
12416 * loop.c (debug_biv, debug_giv): New.
12417 (loop_biv_dump): Break out from ...
12418 (record_biv): ... here.
12419 (loop_giv_dump): Break out from ...
12420 (record_giv): ... here.
12421 (loop_bivs_check): Use print_simple_rtl.
12422 * unroll.c (loop_iterations): Use print_simple_rtl.
12424 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
12426 * pa.md (return, return_internal): Modify patterns to prevent regrename
12427 mucking with the return pointer.
12429 2001-01-05 Richard Henderson <rth@redhat.com>
12431 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
12433 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
12435 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
12436 version supplied by Matteo Frigo.
12438 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12440 * cpp.texi: Update for -MQ.
12441 * cppinit.c (cpp_create_reader): Always create pfile->deps.
12442 (cpp_cleanup): Always free pfile->deps.
12443 (initialize_dependency_output): Don't create pfile->deps.
12444 (cpp_handle_option): Similarly.
12446 * gcc.c (cpp_options): Handle -MQ.
12447 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12448 * mkdeps.c (base_name): Remove.
12449 (deps_init): Don't allocate vector space until it's needed.
12450 (deps_free): Only free vectors if allocated.
12451 (deps_add_target, deps_add_dep): Update for initial allocation.
12452 (deps_add_default_target): Don't strip to the base_name.
12454 2001-01-05 DJ Delorie <dj@redhat.com>
12456 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
12457 (INIT_EXPANDERS): Define.
12459 * config/v850/v850.c (struct machine_function): Define.
12460 (v850_save_machine_status): New function.
12461 (v850_restore_machine_status): New function.
12462 (v850_return_addr): New function.
12463 (v850_init_expanders): New function.
12465 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
12466 and v850_init_expanders.
12468 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12470 * cpplib.h (struct cpp_reader): Add help_only field.
12471 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
12472 (cpp_handle_option): Set pfile->help_only if we see -h,
12473 --help, -target-help, or --version. Print version string but
12474 do not set help_only if we see -v or -version. Make text
12475 printed by -v match that printed by (-)-version.
12477 * cppmain.c (main): Exit after option parsing if
12478 pfile->help_only is true.
12480 * toplev.c (independent_decode_option): Call print_version,
12481 then exit, if we see --version (but not -version).
12482 (print_version): Split lengthy message into two lines.
12484 2001-01-05 Nick Clifton <nickc@redhat.com>
12486 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
12487 temporary string for initialisation before calling ggc_alloc_string.
12489 2001-01-06 Michael Hayes <mhayes@redhat.com>
12491 * rtl.h (print_simple_rtl): New.
12492 * print-rtl.c (print_simple_rtl): New.
12493 (flag_simple): New.
12494 (print_rtx): Disable printing of flags and modes, etc.,
12495 if `flag_simple` nonzero.
12497 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12499 * function.c (fixup_var_refs): Use push_to_full_sequence where
12502 2001-01-05 Michael Meissner <meissner@redhat.com>
12504 * flags.h (flag_reorder_blocks): Add declaration.
12505 (flag_rename_block): Ditto.
12507 2001-01-05 DJ Delorie <dj@redhat.com>
12509 * function.c (reorder_blocks): Make sure the flags are all reset
12510 before using them to mark blocks, else a second invocation will
12511 corrupt the block chain.
12512 (reorder_blocks_0): New, resets the flags.
12514 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
12516 * cse.c (find_comparison_args): Stop if the argument is known to
12519 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12521 * config/sh/sh.md (movdf): When splitting load into pair of
12522 registers, don't clobber the register used in the address too
12525 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
12527 * varasm.c (mark_constant_pool): Improve initial comments.
12528 (mark_constants): Move marking of constants to mark_constant.
12529 (mark_constant): New function to recursively mark all constants
12530 referred to by a constant.
12532 2001-01-05 Catherine Moore <clm@redhat.com>
12534 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
12536 2001-01-05 Phil Edwards <pme@sources.redhat.com>
12538 * cp/lang-options.h: Bring comment in line with reality.
12539 * f/lang-options.h: Likewise.
12540 * java/lang-options.h: Likewise.
12541 * objc/lang-options.h: Likewise.
12542 * ch/lang-options.h: Likewise.
12543 * f/g77.texi: And update the manual.
12545 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
12546 Denis Chertykov <denisc@overta.ru>
12548 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
12549 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
12550 * config/avr/avr.md (all peepholes that request a scratch register):
12551 Call it, FAIL the peephole if not safe (in interrupt functions).
12553 2001-01-05 Mark Mitchell <mark@codesourcery.com>
12555 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
12557 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
12559 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
12561 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
12562 BUILT_IN_CREAL and BUILT_IN_CIMAG.
12563 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
12564 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
12565 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
12567 * extend.texi: Document these builtins.
12569 2001-01-05 Daniel Berlin <dberlin@redhat.com>
12571 * c-common.c (lang_get_alias_set): Say we know nothing of
12572 VECTOR_TYPE aliasing.
12574 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
12576 2001-01-05 Bruce Korb <bkorb@gnu.org>
12578 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
12579 their x* equivalent versions for atexit-less systems
12580 * fixinc/fixincl.c(main): do not return from main() on atexit-less
12581 systems (or any other system any more).
12583 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
12585 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
12586 output operands. Use arm_hard_register_operand for operand 4.
12587 (stmsi_postinc): Similarly.
12588 (ldmsi): Use arm_hard_register_operand for opernand 2.
12589 (stmsi): Similarly.
12590 * arm.c (arm_hard_register_operand): New function.
12591 * arm-protos.h (arm_hard_register_operand): Prototype it.
12593 * arm.h (HARD_REGNO_RENAME_OK): Define.
12595 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
12597 * simplify-rtx.c (cfc_args): add "unordered" field.
12598 (check_fold_consts): Set unordered field.
12599 (simplify_relational_operation): Simplify the unordered
12602 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
12605 * emit-rtl.c (try_split): Fix code to mark labels.
12606 * jump.c (mark_jump_label): Make global.
12607 * rtl.h (mark_jump_label): Declare.
12609 * predict.c (estimate_probability): Handle unordred comparisons.
12611 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12613 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
12614 * cppinit.c (initialize_dependency_output): Update.
12615 (cpp_finish): Output dummy targets for -MP.
12617 (cpp_handle_option): Handle -MP. Don't quote -MT options.
12618 * cpplib.h (struct cpp_options): Add deps_phony_targets.
12619 * gcc.c (cpp_options): Update to handle -MP.
12620 * mkdeps.c (deps_add_target, deps_add_default_target): Update
12621 to quote only the default target.
12622 (deps_phony_targets): Insert a preceding newline. Rename from
12623 deps_dummy_targets for consistency.
12626 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12628 * calls.c (emit_library_call_value_1): Support
12629 INIT_CUMULATIVE_LIBCALL_ARGS.
12630 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
12632 2001-01-04 Richard Henderson <rth@redhat.com>
12634 * c-decl.c (finish_struct): Detect flexible array members
12635 used in an inappropriate context.
12636 * c-typeck.c (really_start_incremental_init): Special case
12637 constructor_max_index for zero length arrays.
12638 (pop_init_level): Allow initialization of flexible array
12639 members. Deprecate initialization of zero length arrays.
12640 Don't issue missing initializer warning for flexible array
12641 members or zero length arrays.
12642 (process_init_element): Don't dereference null DECL_SIZE.
12643 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
12644 Don't abort for empty constructors. Use size_binop
12645 (output_constructor): Add commentary regarding zero length
12646 array futures. Abort if we try to initialize an array of
12647 unspecified length with a non-empty constructor in the middle
12650 * extend.texi (Zero Length): Update and clarify documentation
12651 on static initialization.
12653 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12655 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
12656 with more than 32767 words of local storage.
12658 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12660 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
12661 for 'abs', 'labs', and 'fabs'.
12662 (c4x_expand_builtin): Likewise.
12663 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
12665 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12667 * config/sh/sh.md (prget, prset): New insn types.
12668 (return delay slot): Dont' allow prset.
12669 (call, sfunc delay slot): Don't allow prget.
12670 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
12671 for prset and prget.
12673 2001-01-05 Michael Hayes <mhayes@redhat.com>
12675 * loop.h (struct loop_reg): New.
12676 (struct loop_regs): Change to use array of `struct loop_reg'.
12677 * loop.c: Replace assortment of varrays with single regs array.
12678 (count_one_set): Delete may_not_move array argument
12679 and use regs array instead. All caller's changed.
12680 (count_loop_regs_set): Delete may_not_move and single_usage
12681 arguments and use regs array instead. All caller's changed.
12682 (find_single_use_in_loop): Replace usage array argument with pointer
12683 to regs structure. All caller's changed.
12684 (loop_optimize): Delete `moved_once' array.
12686 2001-01-05 Michael Hayes <mhayes@redhat.com>
12688 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
12689 Use it instead of loop_info->has_call for scanning loop mems.
12690 (check_dbra_loop): Replace loop_info->has_call test with
12691 loop_info->has_nonconst_call.
12693 2000-01-04 Matthew Hiller <hiller@redhat.com>
12695 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
12698 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12700 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
12701 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
12703 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12705 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
12706 (flag_short_double, flag_short_wchar): Define.
12707 (c_common_nodes_and_builtins): Create many tree nodes shared
12708 between C and C++ here instead of in cp/decl.c and ...
12709 * c-decl.c (init_decl_processing): ... here.
12710 (SIZE_TYPE, WCHAR_TYPE): Don't define.
12711 (flag_short_double, flag_short_wchar): Don't define.
12712 (record_builtin_type): New function.
12713 (build_void_list_node): New function.
12714 * c-common.h (flag_short_double, flag_short_wchar,
12715 record_builtin_type, build_void_list_node): Declare.
12717 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
12719 * integrate.c (expand_inline_function): Don't put a virtual
12720 register into the reg map.
12722 * function.c (fixup_var_refs_1): If force_operand didn't put
12723 the address into the target, move it there.
12725 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12727 Special-case tree_decl/tree_list allocations.
12728 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
12729 (OBJECT_SIZE): New macro.
12730 (NUM_EXTRA_ORDER): Likewise.
12731 (extra_order_size_table): New variable.
12732 (NUM_ORDERS): New macro.
12733 (objects_per_page_table): New variable.
12734 (object_size_table): New variable.
12735 (G.pages): Use NUM_ORDERS to bound the array.
12736 (G.page_tails): Likewise.
12737 (DIV_ROUND_UP): Remove.
12738 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
12739 (alloc_page): Use OBJECT_SIZE.
12740 (size_lookup): Don't make it const.
12741 (ggc_alloc): Use OBJECT_SIZE.
12742 (ggc_set_mark): Likewise.
12743 (ggc_get_size): Likewise.
12744 (init_ggc): Set up the object_size_table, objects_per_page_table,
12745 and adjust size_lookup.
12746 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
12747 (ggc_pop_context): Use NUM_ORDERS.
12748 (clear_marks): Likewise.
12749 (sweep_pages): Likewise.
12750 (poison_pages): Likewise.
12751 (ggc_print_statistics): Use OBJECT_SIZE.
12753 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12755 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
12756 Only call array_size_for_constructor if last field and array type
12757 with no upper bound.
12759 2001-01-04 Philip Blundell <philb@gnu.org>
12761 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
12762 from bit 31 downwards, if this requires no more insns.
12763 (count_insns_for_constant): New helper function for above.
12765 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
12767 * gencodes.c (output_predicate_decls): Remove empty initializer.
12769 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12771 * tree.c (copy_node): Remove documentation about obstacks.
12772 (buidl1): Check that nobody tries to build 2-argument nodes this
12775 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12777 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
12780 * gencodes.c (output_predicate_decls): Fill empty initializer
12783 2001-01-04 Jakub Jelinek <jakub@redhat.com>
12785 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
12786 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
12788 (do_include): Handle missing headers like cpp0.
12789 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
12790 paths with first include pathname. Don't strcat to uninitialized
12793 2001-01-04 Bernd Schmidt <bernds@redhat.com>
12795 * regrename.c (regrename_optimize): Don't rename from frame pointer
12796 if frame_pointer_needed.
12797 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
12798 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
12799 (ia64_reorg): Use it instead of scheduling if ! optimize.
12800 (errata_emit_nops): Properly call asm_noperands.
12801 (ia64_sched_reorder): Finish cycle if we see an asm.
12802 (ia64_variable_issue): Clear scheduling state after asms.
12804 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
12806 * cpp.texi: Update for -MT.
12807 * cppinit.c (initialize_dependency_output): Add a default
12808 target if none has been given already.
12809 (no_tgt, OPT_MT): New.
12810 (cpp_handle_option): Handle -MT. Update -M etc.
12811 * cpplib.h (struct cpp_options): Remove deps_target.
12812 * gcc.c (cpp_options): Handle -MT.
12813 * mkdeps.c (struct deps): Move from mkdeps.h.
12814 (deps_calc_target): Rename deps_add_default_target. Add a
12815 default target if none has been specified already.
12816 * mkdeps.h (struct deps): Move to mkdeps.c.
12817 (deps_calc_target): Rename deps_add_default_target.
12819 2000-01-03 Richard Henderson <rth@redhat.com>
12821 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
12823 * c-typeck.c (push_init_level): Move checks for flexible array
12824 members and zero length arrays ...
12825 (pop_init_level): ... here. Silently discard empty initializations.
12827 * varasm.c (output_constructor): Update for sizeof change to
12828 zero-length arrays.
12830 * extend.texi (Zero Length): Clarify semantics.
12832 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12834 * configure.in (tm.h): Include isns-codes.h last.
12835 * configure: Rebuilt.
12837 2001-01-03 Richard Henderson <rth@redhat.com>
12839 * config/alpha/alpha.md (addvsi3, addvdi3): New.
12840 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
12842 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12844 * tradcpp.c (main): Make sure finclude() is called with a valid
12845 indepth value while handling -include.
12847 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12849 * gencodes.c (output_predicate_decls): New function.
12851 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
12852 even if it is not the first time machmode.h is #included.
12853 * config/sh/sh.c (fpul_operand): Declare MODE argument.
12854 * tm.texi (PREDICATE_CODES): Document predicate declarations.
12855 * gcc.texi (Copyright): Added 2001.
12857 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12859 * c-common.c (c_common_lang_init): New function. Warn if format
12860 warning options which only have effects when used with -Wformat
12861 are used without -Wformat.
12862 * c-common.h (c_common_lang_init): Declare.
12863 * c-lang.c (lang_init): Call c_common_lang_init.
12864 * objc/objc-act.c (lang_init): Call c_common_lang_init.
12866 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12868 * configure.in: Check for the mktemp command.
12869 * configure: Regenerate.
12870 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
12871 $TEMP. Create temporary files with mktemp, if available at
12872 configure time; otherwise use set -C. Remove temporary files
12875 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12877 * configure.in: Require at least texinfo 4.0. Check for whether
12878 Pod::Man is sufficiently recent to regenerate GCC manpages.
12879 * configure: Regenerate.
12880 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
12882 (GENERATED_MANPAGES): Define.
12883 (generated-manpages): New target. Depend on cpp.1 as well as
12885 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
12886 configure to generated-manpages or empty) rather than on the
12887 manpages directly. Remove execute permission from installed
12888 gcov.1 as well as cpp.1.
12889 * cpp.1, gcov.1: Regenerate.
12891 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12893 * builtins.c (expand_builtin_strncmp): Use host_integerp and
12894 tree_low_cst. Allow using cmpstrsi in more cases.
12896 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12898 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
12901 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
12903 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
12904 * Makefile.in (HOST_CFLAGS): Mention build-make.
12906 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12908 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
12911 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12913 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
12916 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
12919 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
12920 reg_base_value and reg_known_value arrays.
12921 (init_alias_analysis): Add more cases to detect known values.
12922 * sched-deps.c (deps_may_trap_p): New function.
12923 (sched_analyze_2): Use it.
12925 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12927 * combine.c (simplify_shift_const): Even if we're sign-extracting,
12928 don't discard an ASHIFTRT if we're shifting in a wider mode.
12930 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
12932 * toplev.c (rest_of_compilation): Don't print basic block information
12933 when CFG isn't up to date.
12935 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
12937 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
12938 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
12939 (UNALIGNED_SHORT_ASM_OP): Define.
12940 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
12942 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12944 * fold-const.c (fold_convert): Fix typo.
12946 2001-01-02 Richard Henderson <rth@redhat.com>
12948 * c-common.h (ASM_INPUT_P): New.
12949 * c-parse.in (asm): Set it when needed.
12950 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
12951 existance of an operand.
12953 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
12955 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
12956 (dwarf2out_frame_debug_expr): Likewise.
12957 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
12959 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
12961 * i386.c (ix86_split_to_parts): Return number of part required;
12963 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
12965 (ix86_split_long_move): Use number of part returned
12966 by ix86_split_to_parts
12967 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
12969 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
12970 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
12971 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
12972 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
12973 (ALIGN_MODE_128): Add TFmode.
12974 (IS_STACK_MODE): Likewise.
12975 (HARD_REGNO_NREGS): TFmode needs 3 registers.
12976 (HARD_REGNO_OK): Support TFmodes.
12977 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
12978 * i386.md (scheduler definitions): Use memory operand to determine
12979 fst/fld instructions; use mode attribute to determine real mode of
12981 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
12982 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
12984 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12986 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
12988 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12990 * expr.c (store_constructor_field): Update ALIGN before calling
12993 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12995 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
12998 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13000 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
13003 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13005 * c-decl.c (start_function): Don't warn on third parameter to main.
13007 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13009 * tsystem.h: Define HAVE_DECL_GETOPT.
13011 2001-01-02 Philip Blundell <pb@futuretv.com>
13013 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
13016 2001-01-02 Richard Henderson <rth@redhat.com>
13018 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
13020 2001-01-02 Andreas Jaeger <aj@suse.de>
13022 * c-decl.c (c_decode_option): Remove support of
13023 -Wmissing-noreturn.
13025 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
13026 (W_options): Add -Wmissing-noreturn here.
13028 * flow.c: Define lang_missing_noreturn_ok_p.
13029 (check_function_return_warnings): Use it.
13031 * c-common.h: Declare lang_missing_noreturn_ok_p.
13033 * c-lang.c (c_missing_noreturn_ok_p): New function.
13034 (lang_init): Set lang_missing_noreturn_ok_p.
13036 * invoke.texi (Warning Options): Document this.
13038 2000-12-27 Phil Edwards <pme@sources.redhat.com>
13040 * extend.texi (C++ Extensions): New node for C++ attributes;
13041 describe init_priority and com_interface.
13042 * invoke.texi: Remove -finit-priority as it now has zero effect.
13043 * install.texi: Fix xref syntax.
13044 * md.texi: Likewise.
13046 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13048 * config.gcc (sparc64-wrs-vxworks*): New case.
13049 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
13051 * config/sparc/sparc.c (sparc_override_options): Do support different
13052 pointer and architecture size.
13053 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
13054 (POINTERS_EXTEND_UNSIGNED): Define.
13055 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
13056 (FUNCTION_MODE): Define to be Pmode.
13057 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
13059 * function.c (expand_function_end): Properly handle DECL_RESULT
13060 and copy when ptr_mode != Pmode.
13061 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
13063 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13065 * c-common.c (c_common_nodes_and_builtins): Set prototype
13066 parameters for __builtin_fputs, __builtin_fputc and
13067 __builtin_fwrite. Don't declare plain fputc as a builtin.
13069 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
13071 * loop.c (add_label_notes): Increment the label usage count when
13072 a note is added to an insn which refers to a CODE_LABEL.
13073 * gcse.c (add_label_notes): Likewise.
13075 2001-01-01 Andreas Jaeger <aj@suse.de>
13077 * loop.c (scan_loop): Use xmalloc to allocate movables.
13079 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
13081 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
13082 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
13083 * reload1.c (REGISTER_MOVE_COST): Likewise.
13084 * regclass.c (REGISTER_MOVE_COST): Likewise.
13085 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
13086 dimension. Adjust all users.
13087 (init_reg_sets_1): Iterate on all modes.
13088 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
13089 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
13090 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
13091 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
13092 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
13093 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
13094 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
13095 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
13096 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
13097 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
13098 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
13099 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
13100 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
13101 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
13102 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
13103 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
13104 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
13105 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
13106 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
13107 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
13108 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
13109 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
13110 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
13111 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
13112 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
13113 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
13114 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
13116 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13118 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
13119 arg VARIES_P. Call it with extra arg.
13120 (true_dependence): Likewise.
13121 * rtl.h (rtx_addr_can_trap_p): Declare.
13122 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
13124 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
13125 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
13126 pic offset table register if it's zero. All callers changed.
13127 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
13129 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13131 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
13132 STRING_POOL_ADDRESS_P.
13134 * config/sparc/sparc.c (input_operand): Properly test for short op.
13136 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
13137 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
13138 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
13139 * config/sparc/elf.h: No longer include sol2.h.
13140 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
13141 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
13143 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
13145 2001-01-01 Michael Hayes <mhayes@redhat.com>
13147 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
13148 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
13149 (record_initial): Likewise.
13150 * unroll.c (copy_loop_body, loop_iterations): Likewise.
13151 (remap_split_bivs): Likewise.
13153 2001-01-01 Michael Hayes <mhayes@redhat.com>
13155 * loop.c (loop_ivs_free): New function.
13156 (strength_reduce): Break out from...
13158 2001-01-01 Michael Hayes <mhayes@redhat.com>
13160 * loop.h (struct iv): New.
13161 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
13162 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
13163 'reg_biv_class' fields with 'regs' and 'n_regs'.
13164 (struct ivs): Rename 'loop_iv_list' field to 'list'.
13165 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
13166 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
13168 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
13170 * resource.c (mark_referenced_resources): Abort() before
13171 attempting to mark a pseudo register.
13172 (mark_set_resources): Likewise.
13174 2001-01-01 Michael Hayes <mhayes@redhat.com>
13176 * loop.h (REG_IV_CLASS): New accessor macro.
13177 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
13178 * unroll.c (REG_IV_CLASS): Likewise.
13180 See ChangeLog.4 for earlier changes.