1 2001-06-08 Mark Mitchell <mark@codesourcery.com>
3 * except.c (expand_eh_region_end_allowed): Call
4 do_pending_stack_adjust as necessary.
6 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
8 * function.c (clobber_return_register): Clobber the pseudo return
11 * sibcall.c (skip_unreturned_value): New function.
12 (call_ends_block_p): Use it.
14 * recog.c (split_insn): Break out from ...
15 (split_all_insns): ... here; do not use basic block information
18 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
20 * simplify-rtx.c (simplify_subreg): Fix verification of
23 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
26 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
27 Move definition of _LANGUAGE_C_PLUS_PLUS ...
28 (CPLUSPLUS_CPP_SPEC): ... here.
29 Fixes PRs c++/3047, target/441.
31 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
33 * doc/install.texi2html (MAKEINFO): Keep value if set already.
35 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
37 * doc/gcc.texi: Add trailing slash to URL.
39 2001-06-07 Stan Shebs <shebs@apple.com>
41 * config/darwin.h (ENCODE_SECTION_INFO): Define.
42 (REDO_SECTION_INFO_P): Ditto.
43 (STRIP_NAME_ENCODING): Ditto.
44 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
45 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
46 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
47 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
48 * config/darwin.c: No longer include c-tree.h.
49 (machopic_classify_ident): Rewrite to use symbol encoding.
50 (lookup_name_darwin): Remove.
51 (machopic_non_lazy_ptr_name): Handle encoded symbols.
52 (machopic_stub_name): Use STRIP_NAME_ENCODING.
53 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
54 (machopic_finish): Ditto, remove test of decl.
55 (update_non_lazy_ptrs): New function.
56 (darwin_encode_section_info): New function.
57 * config/darwin-protos.h: Declare it.
58 * config/rs6000/rs6000.c (machopic_output_stub): Use
61 2001-06-07 Mark Mitchell <mark@codesourcery.com>
63 * tree.h (DECL_SOURCE_FILE): Improve documentation.
64 (DECL_SOURCE_LINE): Likewise.
66 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
68 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
71 2001-06-07 Phil Edwards <pme@sources.redhat.com>
73 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
74 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
76 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
78 * doc/contrib.texi: Add copyright notice.
80 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
82 * doc/md.texi: Use four digit years in copyright notice.
84 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
86 * config.gcc: For $target_alias of athlon-*, set
87 target_cpu_default2=5.
89 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
91 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
92 end of last block if last real insn is a JUMP_INSN.
94 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
98 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
100 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
101 pthread_t to objc_thread_t.
102 (__gthread_objc_thread_id): Likewise.
104 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
106 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
107 (ASM_OLDAS_SPEC): Likewise.
109 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
110 (CPP_SUBTARGET_SPEC): Use it.
111 (ASM_OLDAS_SPEC): Define.
113 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
115 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
117 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
120 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
122 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
123 Document use of N_(...), and show it in examples. Note that
124 documentation should be added to invoke.texi. Avoid an overfull
128 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
130 * toplev.c (rest_of_compilation): Revert previous patch.
131 * final.c (shorten_branches): Likewise.
133 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
135 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
138 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
140 * doc/install-old.texi: Remove more obsolete documentation.
142 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
144 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
146 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
148 * toplev.c (rest_of_compilation): Call split_all_insns
149 before reg-stack and shorten-branches. Do shorten-branches
151 * final.c (shorten_branches): Remove insn splitting code.
153 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
155 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
156 * configure: Rebuilt.
158 2001-06-07 Andreas Jaeger <aj@suse.de>
160 * emit-rtl.c (operand_subword): Remove unused variable.
162 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
164 * i386.md (floatdi?f): Avoid usinf of SSE instructions
165 if TARGET_64BIT is false.
166 (floatdi?f_i386_only): New insn.
167 (floatdi?f_i386): Disable for !TARGET_64BIT.
169 * (min?f, max?f splitters): Handle case where
170 operands are cross-matched.
172 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
173 (MMX_REGISTER_NAMES): Kill.
174 (PRINT_OPERAND): Fix comment.
175 (PRINT_REG): Likewise.
176 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
177 (print_operand): Update comment; kill 'm'.
179 * i386.c (x86_branch_hints): New global variable
180 (print_operand): Support outputting of branch prediction hints.
181 * i386.md (conditional jump patterns): Add branch prediction hints
183 * i386.h (x86_branch_hints): Declare
184 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
185 (PRINT_OPERAND_FUNCT_VALID_P): New.
186 * final.c (final_forward_branch_p): New function.
188 2001-06-06 Richard Henderson <rth@redhat.com>
190 * flow.c (mark_used_reg): Clean up looping over multiple hard
191 registers. Do conditional life bits across multiple hard regs.
193 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
195 * reload1.c (reload): Revert Schmidt's change so all USEs are not
196 deleted during reload.
198 2001-06-05 Mark Mitchell <mark@codesourcery.com>
200 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
201 functions here, instead of ...
202 * c-decl.c (c_expand_body): ... here.
204 2001-06-05 David O'Brien <obrien@FreeBSD.org>
206 * config.gcc, config/sparc/bsd.h: Do not directly include
207 sparc/sparc.h. Instead do it via tm_file.
209 2001-06-05 Richard Henderson <rth@redhat.com>
211 * dwarf2.h (DW_EH_PE_aligned): New.
212 * dwarf2asm.c (eh_data_format_name): Name it.
213 (dw2_asm_output_encoded_addr_rtx): Align for it.
214 * dwarf2out.c (output_call_frame_info): Handle it for personality
215 routine and LSDA pointers.
217 * unwind-pe.h (DW_EH_PE_aligned): New.
218 (base_of_encoded_value): Handle it.
219 (read_encoded_value_with_base): Likewise.
220 * unwind-dw2-fde.c (base_from_object): Likewise.
221 (get_cie_encoding): Likewise.
223 * config/alpha/elf.h: Remove ecoff commentary.
224 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
226 2001-06-05 David O'Brien <obrien@FreeBSD.org>
228 * config.gcc, config/i386/bsd386.h: Do not directly include
229 i386/386bsd.h. Instead do it via tm_file.
231 2001-06-05 David O'Brien <obrien@FreeBSD.org>
233 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
236 2001-06-05 Pascal Obry <obry@act-europe.fr>
238 * configure.in: Quote $enable_win32_registry in case the value has
242 2001-06-05 Mark Mitchell <mark@codesourcery.com>
244 * print-rtl.c (xspaces): Remove.
245 (print_rtx): Use printf field-width, rather than xpsaces, to
247 * toplev.c (main): Disable sibling-call optimization if we are
250 2001-06-05 Bernd Schmidt <bernds@redhat.com>
252 * reload1.c (reload): Delete all USEs generated during reload.
254 2001-06-05 scott snyder <snyder@fnal.gov>
256 * gccbug.in: Fix typo.
258 2001-06-05 Andreas Jaeger <aj@suse.de>
260 * builtins.def: Fix definition of __builtin_cosf, it uses float as
261 parameter and return value.
263 2001-06-04 Anthony Green <green@redhat.com>
265 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
266 machine. This is now done in sparc.h.
268 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
270 Correct CVS resurrection of invoke.texi.
271 * doc/invoke.texi: Document new tree dump flags.
273 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
275 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
276 for casting an aggregate to its own type. Fixes PR c/2735.
278 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
280 * doc/texinfo.tex: Update to version 2001-05-24.08.
282 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
284 * c-common.h (flag_dump_translation_unit): Remove.
285 (enum tree_dump_index): Define.
286 (TDF_ADDRESS, TDF_SLIM): New #defines.
287 (dump_node_to_file): Remove.
288 (dump_node): Make extern. Add flags.
289 (dump_flag, dump_enabled_p, dump_begin, dump_end,
290 dump_switch_p): Prototype.
291 * c-common.c (flag_dump_translation_unit): Remove.
292 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
293 logic. Use dump_switch_p.
294 * c-dump.h (struct dump_info): Add node and user fields.
295 (dump_pointer): Declare.
296 * c-dump.c (dump_node): Make extern. Add flags.
297 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
298 (dump_new_line, dump_maybe_newline): Use them.
299 (dump_pointer): New function.
300 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
301 chain or function's body. Dump address, if TDF_ADDRESS set.
303 (dump_node_to_file): Remove.
304 (struct dump_file_info): New struct.
305 (dump_files): New array.
306 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
307 * c-lang.c (finish_file): Adjust dumping.
308 * toplev.h (dump_base_name): Make extern.
309 * invoke.texi: Document new flags.
311 2001-06-04 Mark Mitchell <mark@codesourcery.com>
313 * c-tree.h (lang_decl): Add pending_sizes fields.
314 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
316 (c_expand_body): Expand them.
317 (lang_mark_tree): Mark lang_decl:pending_sizes.
318 * function.c (expand_pending_sizes): New function, broken out
320 (expand_function_start): ... here.
321 * tree.h (expand_pending_sizes): Declare it.
323 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
325 * doc/install.texi: Update FreeBSD information. Generalize
326 and update information for alpha-based platforms using ELF.
328 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
330 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
331 (store_parm_decls): Likewise.
332 * c-typeck.c (convert_arguments): Likewise.
334 2001-06-04 Richard Henderson <rth@redhat.com>
336 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
337 optimization if current_function_calls_setjmp.
339 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
341 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
344 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
346 * simplify-rtx.c (simplify_subreg): Fix combining of
349 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
351 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
352 (no_labels_between_p): Short circuit case beg==end.
354 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
356 * rtlanal.c (operand_preference): Fix preference for objects.
358 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
360 * gcse.c (handle_avail_expr): Be prepared to handle single_set
363 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
365 * combine.c (if_then_else_cond): Use simplify_subreg instead
367 * integreate.c (sub_constants): Likewise.
369 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
371 * emit-rtl.c (constant_subword): Deprecate; remove most of code
372 and use simplify_gen_subreg.
374 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
376 * sibcall.c (skip_copy_to_return_value): recognize the situation
377 when the called function's return value is copied into an
378 intermediate pseudo, and then into the calling functions return
381 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
383 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
384 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
385 in case register wasn't OK previously, accept it now; allow
386 subregs of frame pointer if reload completed and frame pointer
389 * combine.c (sombine_simplify_rtx): Fix comment;
390 use subreg_lowpart_offset instead of subreg_lowpart_p
391 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
392 * rtl.h (subreg_lowpart_parts_p): Kill.
393 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
394 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
395 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
396 (gen_lowpart_common): Likewise.
397 (subreg_lowpart_p): Likewise.
398 (subreg_lowpart_parts_p): Kill.
399 (subreg_lowpart_offset, subreg_highpart_offset): New function.
401 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
402 to simplify SUBREG and REG.
403 (gen_highpart): Use simplify_gen_subreg for all simplifications.
405 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
408 * rtlanal.c (replace_regs): Use simplify_gen_subreg
410 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
412 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
413 (ARRAY_RANGE_REF): Added description.
415 * tree.def (ARRAY_RANGE_REF): New code.
416 * alias.c (handled_component_p, can_address_p): Handle it.
417 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
418 * explow.c (set_mem_attributes): Likewise.
419 * expr.c (expand_assignment, get_inner_reference): Likewise.
420 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
421 * fold-const.c (operand_equal_p): Likewise.
422 * tree.c (staticp, stabilize_reference): Likewise.
423 * varasm.c (decode_addr_const): Likewise.
425 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
427 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
428 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
430 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
432 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
433 mark_constant_pool_use before output_addr_const.
434 (struct pool_node): New field wend.
435 (add_constant): Note a sequence of constants that are referenced
437 (pool_window_label, pool_window_last): New variables.
438 (dump_table): Emit a unspec_volatile representing the end of a
439 sequence of constants.
440 (mark_constant_pool_use): New function.
441 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
442 (consttable_2): Add the second operand which flags whether
443 this consttable entry was used or not.
444 (consttable_4, consttable_8, consttable_sf, consttable_df):
446 (consttable_window_end): New insn.
448 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
450 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
451 Reformat according to coding standards.
454 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
455 (shl_and_kind): Cast wide constant.
456 (gen_far_branch): Define as static, as in declaration.
457 (barrier_align): Compute cache-line length as unsigned. Add
458 parentheses in initial credit computation.
459 (rounded_frame_size): Add parentheses.
460 (permanent_obstack): Remove declaration. Include ggc.h for
461 declaration of ggc_add_root_rtx().
462 (get_free_reg): Removed declaration of unused variable reg.
463 (legitimize_pic_address): Mark mode argument as unused.
465 2001-06-03 Igor Shevlyakov <igor@windriver.com>
467 * config/sh/sh.c (output_branch): Support for insn with lenght
468 attr 12 & 16 which represents cond branches outside +-4096 range.
470 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
472 * config/sh/lib1funcs.asm (ic_invalidate): Align the
473 cache-mirroring sequence. Add nops.
475 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
477 * doc/install-old.texi: Remove more old installation
479 * doc/install.texi: Add relevant parts here.
481 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
483 * doc/install.texi2html: New script.
485 2001-06-03 David Edelsohn <edelsohn@gnu.org>
487 * doc/install.texi: Update AIX information again.
489 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
491 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
492 installation documentation.
493 * doc/install.texi: Move it to here.
495 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
497 * doc/install.texi: Clean up Texinfo markup.
499 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
501 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
502 to just after title page.
504 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
506 * doc/install-old.texi: Remove documentation of some configuration
508 * doc/install.texi: Add relevant parts of this documentation here.
510 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
512 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
513 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
515 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
517 * i386.md (all uses of ext_register_operand): Make sure they are
518 VOIDmode; replace all uses outside zero_extend.
519 (and?i splitters): Use ext_register_operands.
520 (test?i peep2): Remove ignored constraints.
521 * i386.c (ext_register_operand): Check that operand is
522 eighter pseudo or hard or 'Q' register.
524 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
526 * tree.h (struct record_layout_info_s): New field unpadded_align.
527 (set_lang_adjust_rli): New declaration.
528 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
529 it would have if not packed, do not downgrade DECL_ALIGN.
530 (lang_adjust_rli, set_lang_adjust_rli): New.
531 (start_record_layout): Initialize new field unpadded_align.
532 (debug_rli): Display it.
533 (place_union_field, place_field): Set it.
534 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
536 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
537 mean that; use proper names instead.
538 Print DECL_NO_STATIC_CHAIN.
540 * except.c (expand_builtin_frob_return_addr): Add missing call
541 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
542 (expand_builtin_eh_return): Likewise.
543 (expand_eh_return): Clean up ptr_mode != Pmode cases.
545 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
547 * doc/invoke.texi: Remove references to papers about sequence points
548 to readings.html, refer to that page.
550 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
552 * README: Update references to installation instructions.
554 2001-06-01 Laurent Guerby <guerby@acm.org>
555 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
557 * doc/install.texi: Define srcdir when sources come from CVS.
558 Significantly improve markup. Wrap overly long lines
560 2001-06-01 DJ Delorie <dj@redhat.com>
562 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
563 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
564 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
565 gcov.1: Move to doc subdirectory.
566 * install.texi: Move to doc/install-old.texi.
567 * gcc.texi: Move to doc, refer to install-old.texi.
568 * Makefile.in: Reflect move of docs to doc/.
569 * f/Make-lang.in: Ditto.
570 * java/Make-lang.in: Ditto.
571 * doc/.cvsignore: New.
573 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
575 * invoke.texi: use two spaces between command options, eliminate
576 some 'overfull hboxes'
578 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
580 * Makefile.in (s-mlib): Make backtick-commands always succeed.
581 (DRIVER_DEFINES): Ditto.
583 2001-05-31 Richard Henderson <rth@redhat.com>
585 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
586 also link against libgcc.a.
588 2001-05-31 Geoff Keating <geoffk@cygnus.com>
590 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
591 * config/mips/mips.c (mips_output_ascii): New function.
592 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
594 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
596 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
598 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
599 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
601 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
603 * install.texi (Configuration): Add html links for --with-gnu-as &
604 --with-gnu-ld and refer to them from hppa & SCO triplets.
605 (Specific): Link back to with-gnu-ld for all ELF platfoms.
606 (Specific): Reword AVR binutils recommendation.
608 2001-05-30 Zack Weinberg <zackw@stanford.edu>
610 * ggc-page.c (size_lookup): Increase minimum allocation size
612 (ggc_print_statistics): Report size of each bin in bytes, not
613 as its order; there is no longer a direct relationship.
615 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
617 * extend.texi: Fix formating of examples, eliminate some
619 * gcc.texi: Eliminate some 'overfull hboxes'.
620 * invoke.texi: Use two spaces between command options, eliminate
621 some 'overfull hboxes'.
623 2001-05-30 Richard Henderson <rth@redhat.com>
625 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
627 2001-05-30 Tom Tromey <tromey@redhat.com>
629 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
630 use it in the new association.
632 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
633 John David Anglin <dave@hiauly1.hia.nrc.ca>
635 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
636 to target type to allow ISO C++ compiler to accept it.
637 * gthr-dce.h (__gthread_active_ptr): Likewise.
638 * gthr-solaris.h (__gthread_active_ptr): Likewise.
640 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
642 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
643 so that we do accept comments in preprocessed input.
645 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
647 * cpphash.c (alloc_node): Cast allocated pointer.
649 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
651 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
653 2001-05-29 Stan Shebs <shebs@apple.com>
655 * gcc.texi: Add links for information about Objective-C.
657 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
659 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
660 /bin/sed fails on [^\"]).
661 (configargs.h): Likewise.
663 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
665 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
667 2001-05-28 Stan Shebs <shebs@apple.com>
669 * objc/objc.gperf: Remove, no longer used.
671 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
673 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
674 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
675 Remove trailing whitespace.
677 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
679 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
680 became http://freeware.sgi.com/.
682 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
684 * local-alloc.c (update_equiv_regs): Don't eliminate constant
687 2001-05-27 Stan Shebs <shebs@apple.com>
689 * objc/objc-act.c: Add/fix various comments.
690 (init_selector): Remove, no longer used.
691 (build_msg_pool_reference): Ditto.
694 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
696 * c-decl.c (init_decl_processing):
697 Don't call start_identifier_warnings.
698 * flags.h (warn_id_clash, id_clash_len): Remove.
699 * stringpool.c: Don't include flags.h.
700 (scan_for_clashes, do_identifier_warnings,
701 start_identifier_warnings): Remove.
702 * toplev.c (warn_id_clash, id_clash_len): Remove.
703 (display_help): Don't document -Wid-clash.
704 (decode_W_option): Print warning on -Wid-clash.
705 * tree.h (start_identifier_warnings): Remove.
706 * invoke.texi: Remove documentation of -Wid-clash.
708 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
710 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
712 2001-05-27 Bruce Korb <bkorb@gnu.org>
714 * fixinc/check.tpl(HACK) add and use a Scheme variable
715 (has no test text): error out if no "test_text" is defined
716 * fixinc/fixincl.tpl: likewise
717 (FIXIDX): make it an enumeration so we minimize diffs
718 * fixinc/inclhack.def: re-alphabetize and add sort instructions
719 * fixinc/fixincl.x: regenerate
720 * fixinc/tests/base/stdio.h: test output got moved due to
722 * README-fixinc: rewrite (mostly)
724 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
726 * cpplib.c (run_directive): Set pfile->directive.
728 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
730 * c-tree.texi: Reformat the manual as a single chapter now
731 included by gcc.texi.
732 * gcc.texi: Include c-tree.texi. Merge all indexes.
733 * Makefile.in (dvi): Add generation for the cppinternals
734 documentation. Added dependencies on fdl.texi and c-tree.texi
735 where appropriate. Use TEXI2DVI instead of custom tex calls.
736 (info): Added dependencies on fdl.texi and c-tree.texi where
737 appropriate. Remove the target c-tree.info.
739 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
741 * combine.c (try_combine): Fix typo in comment.
742 * expr.c (expand_expr): Likewise.
743 * config/i370/i370.md (untyped_call): Likewise.
745 2001-05-26 Bruce Korb <bkorb@gnu.org>
747 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
748 when fixincl is operating in test mode
749 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
750 (AAB_ultrix_limits): remove redundant text
751 (AAB_ultrix_memory): ditto
752 (AAB_ultrix_string): ditto
753 (djgpp_wchar_h): fix the test text
754 (irix_stdio_va_list): add test text
755 (irix_limits_const): add a testing output file (limits.h is overwritten)
756 (strict_ansi_not_ctd): put limits.h second in list for same reason
757 (solaris27_mutex_init): test text needed selection text, too
759 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
760 when fixincl is operating in test mode
762 2001-05-26 Philip Blundell <philb@gnu.org>
764 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
765 * config/i960/i960-protos.h: Likewise.
766 * config/i370/i370-protos.h: Likewise.
767 * config/h8300/h8300-protos.h: Likewise,
768 * config/sh/sh-protos.h: Likewise.
769 * config/v850/v850-protos.h: Likewise.
771 2001-05-26 Philip Blundell <philb@gnu.org>
773 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
775 2001-05-25 Zack Weinberg <zackw@stanford.edu>
777 * toplev.c (debug_args, f_options, W_options): Mark
778 descriptions for translation.
779 (display_help): Translate descriptions on output.
781 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
782 objc/lang-options.h: Mark descriptions for translation.
784 * aclocal.m4: Quote final argument of patsubst. Use
785 3-argument form of AC_DEFINE. Restore quotes to [] while
787 * configure.in: Remove unnecessary changequote calls.
788 * configure, config.in: Regenerate.
790 2001-05-25 Sam TH <sam@uchicago.edu>
792 * basic-block.h: Fix header include guards.
793 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
794 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
795 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
796 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
797 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
798 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
799 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
800 varray.h version.h: Likewise.
801 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
802 config/arm/arm.h config/c4x/c4x-protos.h
803 config/h8300/h8300-protos.h config/h8300/h8300.h
804 config/i370/i370-protos.h config/i370/i370.h
805 config/i960/i960-protos.h config/mcore/mcore.h
806 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
807 config/v850/v850-protos.h config/v850/v850.h: Likewise.
808 * fixinc/fixlib.h fixinc/server.h: Likewise.
810 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
812 * config/arc/initfini.c (.init): Fix typo.
814 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
816 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
818 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
820 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
822 2001-05-25 Richard Henderson <rth@redhat.com>
824 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
826 2001-05-25 Richard Henderson <rth@redhat.com>
828 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
829 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
830 (sparc*-*-solaris2): Likewise.
831 * config/t-linux: Remove shared libgcc macros.
832 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
833 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
835 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
837 * config.gcc (*-*-freebsd*): Report bad configuration.
839 2001-05-25 David Edelsohn <edelsohn@gnu.org>
841 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
843 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
845 (ASM_OUTPUT_LABELREF): Delete.
847 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
849 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
850 strict_ansi_only): Don't run if stdc_0_in_system_headers.
851 * fixinc/fixincl.x: Regenerate.
852 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
853 (FIX_TEST_TABLE): Declare it.
854 * fixinc/fixlib.h: Include config.h.
856 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
858 * fixinc/inclhack.def (alpha___assert): Change char * args to
859 const char * on Tru64 UNIX to avoid excessive warnings from
861 * fixinc/fixincl.x: Regenerate.
863 2001-05-25 Geoff Keating <geoffk@redhat.com>
865 * dbxout.c (dbxout_symbol): Invert previous patch, which was
866 outputting a tag only for variable-size records.
868 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
870 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
871 instead of rtx_equal_p for early clobber test.
873 2001-05-26 Mark Mitchell <mark@codesourcery.com>
875 * builtins.def: Encode additional information, such as names and
877 * builtin-types.def: New file.
878 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
879 (built_in_decls): Likewise. Don't explicitly initialize global
881 (expand_builtin_mathfn): Handle float and long double variants of
883 (expand_builtin): Likewise.
884 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
885 (expand_tree_builtin): Handle long, long long, float, and long
886 double variants of math functions.
887 * c-common.h (c_tree_index): Remove some unused nodes.
888 (void_ftype): Remove.
889 (void_type_ptr): Likewise.
890 (int_ftype_int): Likewise.
891 (ptr_ftype_sizetype): Likewise.
892 * c-decl.c (init_decl_processing): Remove creation of DWARF
894 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
895 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
896 * Makefile.in (c-common.o): Depend on builtin-types.def.
898 2001-05-25 Dale Johannesen <dalej@apple.com>
900 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
902 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
904 * c-parse.in (notype_initdcl): Remove redundant line.
906 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
908 * aclocal.m4: Fixed typo.
909 (gcc_AC_HEADER_STDBOOL): Define.
910 (gcc_AC_C__BOOL): Define.
911 * configure.in: Use them.
912 (AC_CHECK_HEADERS): Remove stdbool.h
913 * configure, config.in: Regenerate.
915 2001-05-25 Richard Henderson <rth@redhat.com>
917 * function.c (expand_function_start): Don't abort on PARALLEL
918 returns from hard_function_value.
920 2001-05-25 Richard Henderson <rth@redhat.com>
922 * config/i386/i386.md: Revert previous change. Do not apply
923 the peephole if the components do not die after the sequence.
925 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
927 * c-parse.in (array_declarator): New. Handle C99 constructs.
928 Don't restrict [*] declarators to C only.
929 (after_type_declarator, parm_declarator_starttypename,
930 parm_declarator_nostarttypename, notype_declarator,
931 direct_absdcl1): Use it.
932 * c-decl.c (build_array_declarator, set_array_declarator_type):
933 New functions. Warn that [*] isn't properly implemented; pedwarn
934 for [*] outside C99 mode if pedantic rather than giving a hard
936 (grokdeclarator): Handle static and type qualifiers in parameter
938 * c-tree.h (build_array_declarator, set_array_declarator_type):
940 * extend.texi (Attribute Syntax): Document attributes in parameter
943 2001-05-25 Mark Mitchell <mark@codesourcery.com>
945 * config/i386/i386.md: Make sure cmpstr peepholes do not
946 affect liveness information.
948 2001-05-24 Mark Mitchell <mark@codesourcery.com>
950 * c-typeck.c (digest_init): Issue error messages about
951 invalid constants, not warnings.
953 2001-05-24 Mark Mitchell <mark@codesourcery.com>
955 * invoke.texi (-fno-builtin): Document that this is always on
958 2001-05-24 Philip Blundell <philb@gnu.org>
960 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
963 2001-05-24 Philip Blundell <philb@gnu.org>
965 * config/arm/arm.c (output_return_instruction): Correctly handle
966 interworking and interrupt functions.
968 2001-05-24 Philip Blundell <philb@gnu.org>
970 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
971 -m{no-}sched-prolog. Fix typos and improve formatting.
973 2001-05-24 Philip Blundell <philb@gnu.org>
975 * invoke.texi (ARM Options): Improve wording slightly. Add
976 documentation for more options, including those for Thumb mode.
977 Don't mention options that don't exist or are unimplemented.
978 (Thumb Options): Delete; merged into above section.
980 2001-05-24 Geoff Keating <geoffk@redhat.com>
982 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
983 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
985 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
987 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
988 fix hard register simplification.
990 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
992 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
993 of just copying CPP_CPU_SPEC.
995 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
997 * i386.c (incdec_operand): Accept only 1 and -1.
999 2001-05-23 Kelley Cook <kelley.cook@home.com>
1001 * Makefile.in: Move many of the *_H definitions eariler in the
1002 file, so that rules in t-* files that use them for
1003 dependencies will work in a parallel build.
1004 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
1006 2001-05-23 Richard Henderson <rth@redhat.com>
1008 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
1010 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1012 * cpp.texi: Update for handling of charconsts.
1013 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
1014 diagnostics. Skip to the end if the UCS is too short.
1015 (cpp_interpret_charconst): Long charconsts issue a warning
1018 2001-05-23 Richard Henderson <rth@redhat.com>
1020 * doc/install.texi (alpha-linux): Require binutils 2.11.
1022 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1024 * c-lex.c (read_escape, read_ucs): Delete.
1025 (lex_string): Use cpp_parse_escape.
1026 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
1027 if not C++ or not C99. Warn if traditional.
1028 (parse_escape): Rename cpp_parse_escape. Make the bitmask
1029 unsigned. Warn for out-of-range escape sequences here.
1030 Update to use maybe_read_ucs.
1031 (cpp_interpret_charconst): Don't warn here.
1032 * cpplib.h (cpp_parse_escape): New exported function.
1034 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
1036 * extend.texi (Attribute Syntax): Clarify application of
1037 attributes to parameters declared as functions or arrays.
1039 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
1041 * dbxout.c (dbxout_type_methods): Do still group methods by name.
1043 2001-05-23 Zack Weinberg <zackw@stanford.edu>
1045 * diagnostic.c (vnotice): Kill.
1046 (fnotice): Call vfprintf directly.
1047 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
1048 verbatim, set_diagnostic_context): Rename string argument to
1049 indicate that it is run through gettext.
1050 (vbuild_message_string, build_message_string, output_do_printf):
1051 Rename string argument to indicate that it is NOT run through
1053 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
1054 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
1055 Run msgid argument through gettext.
1056 (default_print_error_function): Run constant strings through
1057 gettext when nothing else will.
1058 (fatal_error, internal_error, error_recursion): Use fnotice.
1059 Present complete sentences to gettext.
1061 2001-05-23 Mark Mitchell <mark@codesourcery.com>
1063 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
1065 2001-05-23 Richard Henderson <rth@redhat.com>
1067 * function.c (expand_function_start): Always use a pseudo
1068 for the function result value.
1070 2001-05-22 Richard Henderson <rth@redhat.com>
1072 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
1073 section pointer alignment.
1075 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
1077 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
1078 of __USER_LABEL_PREFIX__.
1080 2001-05-22 Richard Henderson <rth@redhat.com>
1082 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
1083 (__deregister_frame_info_bases): New.
1084 * unwind-dw2-fde.h: Declare it.
1085 * libgcc-std.ver: Export it.
1086 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
1087 called __register_frame_info_bases.
1089 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1091 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
1092 instead of #elif (which is OK for this case but not in general).
1094 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
1096 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
1097 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
1098 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
1099 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
1100 "r2" to the assembly file. Only issue allocs with non-zero parameters.
1102 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1103 David O'Brien <obrien@freebsd.org>
1105 * config/freebsd.h (LIB_SPEC): Key the exact setting to
1106 configure-time options and target version of FreeBSD. Set-up
1107 to match architectural change in threading support. Correctly
1108 report when -pthread option is not supported by configure-time
1110 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
1111 and extend to encode target version number in run-time setting
1112 of __FreeBSD__ macro to match the system compiler.
1113 (CPP_PREDEFINES): Likewise.
1114 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
1116 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
1117 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
1119 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1120 David O'Brien <obrien@freebsd.org>
1122 * config.gcc (the unlabeled system switch statement): Add
1123 generic configuration section to handle *-*-freebsd*. Also,
1124 to match the system compiler, default to threading support (it
1125 may be disabled with the standard --disable-threads
1126 configuration-time switch).
1127 (i[34567]86-*-freebsd* in machine-specific section): Use it.
1128 (alpha*-*-freebsd* in machine-specific section): Likewise.
1130 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
1131 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
1132 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
1133 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
1134 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
1136 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1137 David O'Brien <obrien@freebsd.org>
1139 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1140 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
1141 -pthread instead setting macro.
1143 2001-05-22 Richard Henderson <rth@redhat.com>
1145 * crtstuff.c (__register_frame_info_bases): Declare.
1146 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
1147 (__do_global_dtors_aux, __do_global_dtors): Streamline.
1149 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1150 (CRT_GET_RFIB_DATA): New.
1151 * config/i386/sysv4.h: Likewise.
1152 * config/i386/sco5.h: Likewise.
1153 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1155 2001-05-22 Richard Henderson <rth@redhat.com>
1157 * rtl.c (read_string): Break out from ...
1158 (read_rtx): ... here.
1160 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1162 * doc/install.texi (Specific): Remove a bogus and duplicate part
1163 copied from the end of the document.
1165 2001-05-22 Bernd Schmidt <bernds@redhat.com>
1167 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
1169 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1171 * install.texi: Remove obsolete information on SunOS as well as
1172 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
1173 (Installing GNU CC on the Sun): Remove section.
1175 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
1177 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
1178 keep errno unchanged on success.
1180 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
1182 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
1183 once for hexadecimal floats, whether or not they contain a decimal
1184 point. Don't let the setting of pedantic otherwise affect the
1185 parsing of hexadecimal floats.
1187 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1189 * README.ACORN: Remove obsolete file.
1191 2001-05-22 Jan Hubicka <jh@suse.cz>
1193 * combine.c (gen_binary): Use swap_commutative_operands_p
1194 (simplify_comparison): Likewise.
1195 * expmed.c (emit_store_flag): Likewise.
1196 * expr.c (compare_from_rtx): Likewise.
1197 (do_compare_rtx_and_jump): Likewise.
1198 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
1199 if not emitting a branch and operands want swapping.
1201 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
1203 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
1204 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
1205 (maybe_get_identifier): Update.
1206 * tree.h (make_identifier): Delete.
1208 2001-05-21 Richard Henderson <rth@redhat.com>
1210 * combine.c (subst): Do not substitute for a register as
1211 a destination subreg/strict_low_part/zero_extract.
1213 * combine.c (simplify_comparison): Update op1 after constant
1215 * recog.c (const_int_operand): Accept only constants valid
1217 * genrecog.c: Update comments wrt const_int_operand.
1219 * emit-rtl.c (init_emit_once): Zero unused memory in a
1222 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1224 * tree.h (type_num_arguments): Declare it.
1225 * tree.c (type_num_arguments): New function.
1227 2001-05-21 Richard Henderson <rth@redhat.com>
1229 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
1232 2001-05-21 Geoff Keating <geoffk@redhat.com>
1234 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
1236 (minsf3): Use rs6000_emit_minmax.
1237 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
1239 (movsfcc): Use rs6000_emit_cmove.
1240 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
1241 Don't generate emit_fselsfsf4.
1242 (fseldfsf4): Likewise.
1243 (maxdf3): Use rs6000_emit_minmax.
1245 (mindf3): Use rs6000_emit_minmax.
1246 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
1248 (movdfcc): Use rs6000_emit_cmove.
1249 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
1250 Don't generate emit_fselsfsf4.
1251 (fselsfdf4): Likewise.
1252 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
1253 (min_max_operator): New predicate.
1254 (rs6000_emit_cmove): New function.
1255 (rs6000_emit_minmax): New function.
1256 * config/rs6000/rs6000-protos.h: Prototype new functions.
1257 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
1258 and min_max_operator.
1260 * config/rs6000/rs6000.c (output_cbranch): Handle all
1261 conditional types in the switch statement.
1263 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1265 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
1266 non-register variables.
1267 * extend.texi: Document that asm-specifications do not make sense
1268 for non-static local variables.
1270 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
1272 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
1273 (dbxout_type_fields): Lose minimal_debug support.
1274 (dbxout_type_methods, dbxout_type): Likewise.
1276 2001-05-17 Andrew Haley <aph@redhat.com>
1278 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1280 2001-05-21 Richard Henderson <rth@redhat.com>
1282 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
1285 2001-05-20 Richard Henderson <rth@redhat.com>
1287 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1288 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
1289 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
1290 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1291 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
1293 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1294 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
1295 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
1296 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1297 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1298 DEBUG_PUBNAMES_SECTION): Rename as above.
1299 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1301 2001-05-20 Richard Henderson <rth@redhat.com>
1303 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
1304 operands unless the operation is commutative.
1306 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1308 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
1311 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
1313 * extend.texi: Clarify documentation of extensions included in ISO
1314 C99. Prefer C99 terminology and syntax to old GNU terminology and
1315 syntax. Add more index entries. Document mixed declarations and
1316 code as an extension in C89 mode. Warn about future changes to
1317 semantics of inline functions. Fixes PR other/930.
1319 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1321 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
1322 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1323 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
1324 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1326 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
1328 2001-05-20 Richard Henderson <rth@redhat.com>
1330 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
1331 to be output before a branch.
1333 2001-05-20 Richard Henderson <rth@redhat.com>
1335 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
1337 2001-05-20 Richard Henderson <rth@redhat.com>
1339 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
1340 (ASM_DOUBLE): Remove.
1341 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
1342 * config/i386/sun386.h: Likewise.
1344 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
1345 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
1347 * config/i386/cygwin.h (INT_ASM_OP): Remove.
1348 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
1349 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
1350 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
1352 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
1353 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
1354 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
1355 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
1356 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
1357 * config/i386/win32.h: Likewise.
1359 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1361 * invoke.texi: Add more options to summary list.
1363 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1365 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
1366 used. Fixes PR c/2291.
1367 * gcc.1: Regenerate.
1369 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1371 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
1372 the -fpic and -fPIC options, clear flag_pic.
1374 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1376 * hashtable.c (calc_hash): Fix HASHSTEP definition.
1377 * stringpool.c (make_identifier): No statistics here anymore.
1378 * objc-act.c (steup_string_decl): Remove redundant check.
1380 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1382 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
1383 cpplib.o, cpphash.o, fix-header): Update.
1384 (hashtable.o): New target.
1385 * c-common.h: Include cpplib.h. Define C_RID_CODE and
1386 struct c_common_identifier here.
1387 * c-lang.c (c_init_options): Update. Call set_identifier_size.
1388 * c-lex.c (c_lex): Update.
1389 * c-pragma.h: Update.
1390 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
1392 (C_RID_CODE): Delete.
1393 * cpphash.c: Rewrite to use hashtable.c.
1394 * cpphash.h: Update include guards.
1395 (struct cpp_reader): Remove hashtab.
1396 hash_ob and buffer_ob are no longer pointers. Add hash_table
1398 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
1399 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
1400 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
1401 * cppinit.c (cpp_create_reader): Update.
1402 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
1403 (cpp_interpret_charconst): Eliminate warning.
1404 * cpplib.c (do_pragma, do_endif, push_conditional,
1405 cpp_push_buffer, cpp_pop_buffer): Update.
1406 (_cpp_init_stacks): Rename cpp_init_directives.
1407 (_cpp_cleanup_stacks): Remove.
1408 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
1409 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
1410 cpp_forall_identifiers, cpp_create_reader): Update.
1411 (C_RID_CODE, cpp_make_node): New.
1412 (c_common_identifier): New identifier node for C front ends.
1413 * cppmain.c (main): Update.
1414 * fix-header.c (read_scan_file): Update.
1415 * flags.h (id_clash_len): Make unsigned.
1416 * ggc.h (ggc_mark_nonnull_tree): New.
1419 * stringpool.c: Update comments and copyright. Update to use
1421 * toplev.c (approx_sqrt): Move to hashtable.c.
1422 (id_clash_len): Make unsigned.
1423 * toplev.h (ident_hash): New.
1424 * tree.c (gcc_obstack_init): Move to hashtable.c.
1425 * tree.h: Include hashtable.h.
1426 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
1427 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
1428 (struct tree_identifier): Update.
1429 (make_identifier): New.
1431 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
1432 (C_RID_CODE): Remove.
1433 * lex.c (cxx_init_options): Call set_identifier_size. Update.
1434 (init_parse): Don't do it here.
1436 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
1438 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
1440 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
1442 (expand_eh_return): Convert between word_mode and Pmode.
1443 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
1445 (execute_stack_op): Likewise.
1446 (execute_cfa_program): Likewise.
1447 (uw_frame_state_for): Likewise.
1448 (uw_update_context_1): Likewise.
1449 * unwind.inc (_Unwind_Reason_Code): Likewise.
1450 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
1451 (EH_RETURN_STACKADJ_RTX): Likewise.
1452 * config/mips/mips.c (compute_frame_size): Make space for saving
1453 EH return registers.
1454 (mips_expand_epilogue): Handle EH stack adjustments.
1455 * config/mips/mips.md (eh_return): New pattern.
1456 (eh_set_lr_si): Likewise.
1457 (eh_set_lr_di): Likewise.
1458 Add splitter to perform EH return after reload.
1460 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1462 * jump.c (mark_jump_label): Tidy previous change.
1464 2001-05-19 Bruce Korb <bkorb@gnu.org>
1466 * fixinc/genfixes: no need for two warnings
1467 * fixinc/Makefile.in: open stdin for those building with a closed one.
1469 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1471 * jump.c (jump_optimize_1): Tidy.
1472 (mark_jump_label): When changing the label in a LABEL_REF, change
1473 update any REG_EQUAL notes as well.
1475 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
1477 * c-parse.in (parm_declarator): Split into
1478 parm_declarator_starttypename and parm_declarator_nostarttypename.
1479 (parm_declarator_starttypename, parm_declarator_nostarttypename):
1480 New. Allow parenthesised sub-declarators which don't begin with a
1481 TYPENAME. Fixes PR c/166.
1483 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1485 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
1487 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1489 * toplev.c (main): If the target does not allow profiling without
1490 a frame pointer, issue an error message.
1491 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1494 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1496 * recog.c (general_operand): Modify last change to allow it if reload
1499 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1501 * recog.c (general_operand): Prohibit nonzero subreg bytes on
1502 subregs containing mem.
1504 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
1506 * regrename.c (regrename_optimize): frame pointer register can
1509 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
1511 * README.DWARF: Move into dwarfout.c.
1513 2001-05-18 Dale Johannesen <dalej@apple.com>
1515 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
1516 specific misuse of r0 as a reload address.
1518 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1520 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
1523 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1525 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
1526 (add_to_sequence): Make that decision type.
1527 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
1528 (write_switch, write_cond, debug_decision_2): Likewise.
1530 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
1532 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
1535 2001-05-18 Stan Shebs <shebs@apple.com>
1537 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
1538 * configure: Regenerate.
1540 2001-05-18 Per Bothner <per@bothner.com>
1542 Changes needed for java/jvspec.c
1543 * gcc.h (n_infiles, outfiles): Add declarations.
1544 * gcc.c (n_infiles, outfiles): Mske no longer static.
1546 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
1548 * config/pa/som.h (EXCEPTION_SECTION): Define.
1550 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
1552 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
1554 Add have_location_lists, a variable to determine whether we need a
1555 .debug_loc section or not.
1556 (enum dw_val_class): Add dw_val_class_loc_list.
1557 (dw_val_struct): Add val_loc_list.
1558 (dw_loc_list_struct): New structure, represents location lists.
1559 (new_loc_list): New function, return a new location list, given
1560 the range and location expression.
1561 (add_loc_descr_to_loc_list): New function, add a location
1562 expression to a location list, given the expression and range.
1563 (output_loc_list): New function, output a location list.
1564 (gen_internal_sym): Modified to take symbol prefix, so we can
1565 reuse it for location list symbols.
1566 (add_AT_loc_list): New function, add a location list to a DIE at
1567 the named attribute.
1568 (AT_loc_list): New function, return the location list reference
1569 for a given attribute, if it's a location list.
1570 (print_die): Handle dw_val_class_loc_list.
1571 (size_of_die): Ditto.
1572 (value_format): Ditto.
1573 (output_die): Ditto.
1574 (output_location_lists): New function, output all of the location
1575 lists for a DIE and it's children.
1576 (dwarf2out_finish): Call output_location_lists if we have location
1580 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1582 * gcse.c (try_replace_reg): First try global replace, later try to
1583 simplify the expression.
1585 * gcse.c (find_used_regs): Change calling convention; work via
1587 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
1589 2001-05-18 Bernd Schmidt <bernds@redhat.com>
1592 2001-02-09 Nick Clifton <nickc@redhat.com>
1593 * config/arm/arm.md: Change output constraint on post inc
1594 load/store multiple patterns to be a read/write constraint.
1596 2001-05-18 Mark Mitchell <mark@codesourcery.com>
1598 * basic-block.h (struct basic_block_def): Add documentation about
1599 what a basic block is, and what the various fields are used for.
1600 * flow.c (calculate_globlal_regs_live): Add documentation about
1601 how the algorithm works, and how we know that it will terminate.
1602 Check that the the inductive assumption that guarantees
1603 termination actually holds.
1604 (mark_used_regs): Treat conditionally set registers as used.
1605 (debug_regset): Add comment.
1606 * rtl.texi (cond_exec): Add documentation.
1608 * function.c (expand_function_start): Avoid creating BLKmode
1611 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1613 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
1614 DIE, even if it has no children.
1615 (dwarf2out_finish): Always output the line-number table, even if
1618 2001-05-18 David Edelsohn <edelsohn@gnu.org>
1620 * rs6000.md (movsfcc,movdfcc): Remove NE case.
1622 2001-05-17 Bruce Korb <bkorb@gnu.org>
1624 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
1625 * fixinc/genfixes: emit a warning if AutoGen is out of date
1627 2001-05-17 Brendan Conoboy <blc@cygnus.com>
1628 Bruce Korb <bkorb@gnu.org>
1630 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
1631 found in fixinc directory. Facilitates binary distributions.
1633 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
1635 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
1638 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
1640 * dwarf2out.c (modified_type_die): Equate qualified type to die.
1642 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1644 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
1645 (simplify_subreg): Handle complex types represented as CONCAT.
1647 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
1648 * rtl.h (swap_commutative_operands_p): Declare.
1649 * rtlanal.c (swap_commutative_operands_p): New.
1650 (operand_preference): New static function.
1652 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
1653 (gen_binary): Likewise.
1654 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
1655 * simplify-rtx.c (simplify_gen_binary,
1656 simplify_gen_relational): Likewise.
1658 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1660 * cse.c (fold_rtx): Use simplify_subreg.
1662 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
1663 (simplify_gen_subreg): New.
1664 (simplify_rtx): Use simplify_subreg.
1665 * rtl.h (simplify_gen_subreg): Declare.
1667 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1669 * doc/install.texi: Update Solaris information.
1671 * except.h (protect_cleanup_actions): Remove it.
1672 (lang_protect_cleanup_actions): Declare it.
1673 * except.c (protect_cleanup_actions): Remove it.
1674 (lang_protect_cleanup_actions): New variable.
1675 (init_eh): Don't make protect_cleanup_actions a GC root.
1676 (expand_eh_region_and_cleanup): Call
1677 lang_protect_cleanup_actions.
1678 (output_function_exception_table): Remove unused `align'
1680 * varasm.c (assemble_external): Abort if we have not yet
1681 opened the assembly output file.
1683 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
1685 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
1686 for eh_personality_libfunc.
1688 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1690 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
1691 when calling simplify_subreg. This is needed to allow replacing
1692 of expression of one mode by expression of different mode.
1694 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1696 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
1698 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1700 * expr.c (protect_from_queue): Protect against subsequent calls to
1702 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
1705 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
1707 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
1709 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1711 * gccbug.in (CATEGORIES): Add "bootstrap".
1713 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1715 * simplify-rtx.c (simplify_subreg): Break out from ...
1716 * combine.c (combine_splify_rtx) ... here and ...
1717 * recog.c (validate_replace_rtx_1): ... here;
1718 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
1719 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
1720 (subreg_lowpart_p): ... here.
1722 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1724 * stmt.c (expand_asm_operands): For inout operands, make sure
1725 the substitution of '=' for '+' makes it into the rtl.
1727 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
1728 (reload_as_needed): Call update_eliminable_offsets a bit later.
1730 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1732 * gcc.texi (gccbug): Refer to the web pages for detailed information
1735 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1737 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
1739 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
1740 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
1741 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
1742 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
1743 * cross-make: Don't set LIBGCC1.
1744 * mklibgcc.in: Delete all code for building from libgcc1.c.
1745 Always honor LIB1ASMFUNCS if set.
1747 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
1748 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
1749 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
1750 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
1751 config/i386/uwin.asm, config/m68hc11/larith.asm,
1752 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
1753 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
1754 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
1755 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
1756 Delete or update references to libgcc1 in commentary.
1758 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
1759 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
1760 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
1761 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
1762 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
1763 config/arm/t-semi, config/arm/t-strongarm-coff,
1764 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
1765 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
1766 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
1767 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
1768 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
1769 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
1770 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
1771 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
1772 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1773 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
1774 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
1775 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
1776 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
1777 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
1778 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
1779 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
1780 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
1781 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
1782 config/mips/t-ultrix, config/mn10200/t-mn10200,
1783 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
1784 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
1785 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
1786 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
1787 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
1788 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
1789 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
1790 config/sparc/t-sparclite, config/sparc/t-splet,
1791 config/sparc/t-sunos41, config/sparc/t-vxsparc,
1792 config/sparc/t-vxsparc64, config/v850/t-v850:
1793 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
1795 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
1796 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
1797 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
1798 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
1799 nongcc_SI_type, nongcc_word_type, or perform_*
1800 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
1802 * config/i386/386bsd.h, config/i386/beos-elf.h,
1803 config/i386/linux-aout.h, config/i386/linux-oldld.h,
1804 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
1805 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
1806 Don't include i386/perform.h.
1808 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
1809 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
1810 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
1811 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
1812 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
1813 config/vax/t-openbsd, config/vax/t-vax: Delete.
1815 * config.gcc: Remove references to deleted files.
1816 (arm-semi-aof): Use arm/t-semi for tmake_file.
1818 * gcc.texi, install.texi, invoke.texi, tm.texi:
1819 Delete or rewrite text which is no longer relevant now that
1820 libgcc1 no longer exists.
1822 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
1823 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
1825 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
1826 Bruce Korb <bkorb@gnu.org>
1828 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
1831 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1833 * i386.md: Add two peepholes to clean up code generated by
1836 2001-05-16 Richard Henderson <rth@redhat.com>
1838 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
1839 variants of non-absolute encodings.
1841 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1843 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
1844 __register_frame_info_table_bases): Export.
1846 2001-05-16 Richard Henderson <rth@redhat.com>
1848 * except.c (eh_data_format_name): Move to ...
1849 * dwarf2asm.c: ... here. Use designated initializers if available.
1850 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
1851 * dwarf2asm.h: Update declarations.
1852 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
1853 ASM_PREFERRED_EH_DATA_FORMAT.
1854 (output_call_frame_info): Likewise. Use 'L' augmentation for
1857 * unwind-dw2-fde.h (struct fde_vector): New.
1858 (struct old_object): Rename from struct object.
1859 (struct object): New.
1860 (__register_frame_info_bases): Declare.
1861 (__register_frame_info_table_bases): Declare.
1862 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
1863 * unwind-dw2-fde.c (objects): Remove.
1864 (unseen_objects, seen_objects): New.
1865 (__register_frame_info_bases): New.
1866 (__register_frame_info): Use it.
1867 (__register_frame_info_table_bases): New.
1868 (__register_frame_info_table): Use it.
1869 (__deregister_frame_info): Rewrite for changed object struct.
1870 (base_from_object, get_cie_encoding, get_fde_encoding): New.
1871 (fde_unencoded_compare): Rename from fde_compare; uninline.
1872 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
1873 (start_fde_sort): Adjust for new definition of fde_vector.
1874 (fde_insert): Likewise.
1875 (end_fde_sort): Likewise. Select comparison function based
1876 on properties of the object.
1877 (fde_split): Take object and fde_compare_t arguments.
1878 (frame_heapsort, fde_merge): Likewise.
1879 (classify_object_over_fdes): Rename from count_fdes. Handle
1880 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
1882 (add_fdes): Handle encoded pointers.
1883 (init_object): Rename from frame_init. Update for new struct object.
1884 (linear_search_fdes): Rename from search_fdes. Handle encoded
1886 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
1887 (binary_search_single_encoding_fdes): New.
1888 (binary_search_mixed_encoding_fdes): New.
1889 (search_object): New.
1890 (_Unwind_Find_FDE): Update for new struct object. Fill in
1892 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
1893 iterating over EH data.
1894 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
1895 fde_encoding, lsda_encoding.
1896 (read_uleb128, read_sleb128): Remove.
1897 (read_encoded_pointer): Remove. All callers use read_encoded_value.
1898 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
1899 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
1901 * unwind-pe.h: Add "struct" to _Unwind_Context references.
1903 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1905 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
1906 * cpphash.c (_cpp_lookup_with_hash): Similarly.
1907 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
1908 cpp_spell_token, cpp_output_token): Similarly.
1909 * cpplib.c (lex_macro_node, do_undef, do_pragma,
1910 do_pragma_poison, parse_assertion, do_assert): Similarly.
1911 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
1912 save_parameter, _cpp_create_definition, check_trad_stringification,
1913 cpp_macro_definition): Similarly.
1914 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
1915 * c-lex.c (cb_undef, c_lex): Similarly.
1916 * fix-header.c (recognized_function): Similarly.
1917 * cpplib.h (NODE_LEN, NODE_NAME): New.
1918 (cpp_hashnode): Rename length len.
1920 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
1922 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1925 2001-05-16 Andreas Jaeger <aj@suse.de>
1927 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1929 * toplev.c: Include dwarf2asm.h for prototype of
1930 dw2_output_indirect_constants.
1932 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1934 * stmt.c (expand_asm_operands): Be able to offload addressof
1935 expression to memory. (PR optimization/185)
1937 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
1939 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
1940 applying distributive law.
1942 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1944 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1946 * gthr-dce.h (UNUSED): Attribute unused macro.
1947 (__gthread_key_dtor): Make arguments UNUSED.
1948 (__gthread_key_delete): Revise for compatibility with DRAFT4
1951 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1953 * doc/install.texi: Update AIX information.
1954 * README.RS6000: Remove obsolete file.
1956 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1957 Nathan Sidwell <nathan@codesourcery.com>
1959 * gcc.c (give_switch): Don't write before start of string.
1960 Always append suffix.
1962 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1964 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1967 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1969 * README.ALTOS: Remove obsolete file.
1971 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1973 * c-lex.h (save_and_forget_protocol_qualifiers,
1974 forget_protocol_qualifiers, remember_protocol_qualifiers):
1975 Remove deleted functions' prototypes.
1977 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1979 * c-parse.in (methodtype): New production.
1980 (methoddef, methodproto): Collapse separate '-' and '+'
1983 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1985 * c-common.h (RID_FIRST_PQ): New.
1986 * c-parse.in (objc_pq_context): New.
1987 (objc parser): Set objc_pq_context rather than calling
1988 remember_protocol_qualifiers and forget_protocol_qualifiers.
1989 Don't call save_and_forget_protocol_qualifiers.
1990 (yylexname): Handle objc protocol qualifiers here.
1991 * stringpool.c (struct str_header): Replace with sp_hashnode.
1992 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
1993 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
1994 Allocate an IDENTIFIER_NODE for each identifier.
1995 (FORALL_STRINGS, set_identifier): Delete.
1996 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
1997 (ggc_alloc_string): Use an obstack.
1998 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1999 * tree.h: Update comments.
2000 (set_identifier): Delete.
2001 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
2002 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
2003 remember_protocol_qualifiers): Delete.
2005 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
2007 * flow.c (life_analysis): After life analysis is complete, do
2008 an optional scan over insns looking for REG_LABEL notes that
2009 reference a deleted label.
2010 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
2011 before peeking at LABEL_NUSES.
2013 2001-05-15 Richard Henderson <rth@redhat.com>
2015 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
2016 (_Unwind_GetTextRelBase): New.
2018 2001-05-15 Mark Mitchell <mark@codesourcery.com>
2020 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
2022 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
2024 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
2025 so that CHOOSE_SECTION gets used.
2027 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
2028 TARGET_RELOCATABLE like flag_pic for now.
2030 2001-05-15 David Edelsohn <edelsohn@gnu.org>
2032 * rs6000.md (movdi splitter): Sign extend more efficiently.
2033 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
2034 to "long long" valid on 32-bit and 64-bit hosts.
2035 (logical_operand): Cast trunc_int_for_mode return value.
2036 (rs6000_emit_move): Shift macro to encapsulate variable.
2037 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
2038 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
2039 plus_constant requires signed argument.
2041 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
2043 * gthr-posix.h: Make additional pthread-* functions weak.
2045 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
2047 * recog.c (apply_change_group): Avoid unneeded validating.
2049 2001-05-14 David Edelsohn <edelsohn@gnu.org>
2051 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
2052 (num_insns_constant): CONST_INT can be 64-bits.
2054 2001-05-14 Stan Shebs <shebs@apple.com>
2056 * config/darwin.h (LIB_SPEC): Just use -lSystem.
2057 (LIBGCC_SPEC): Don't define.
2059 2001-05-14 Richard Henderson <rth@redhat.com>
2061 * configure.in (gcc_cv_as_eh_frame): New test.
2062 * config.in, configure: Rebuild.
2063 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
2065 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2067 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
2068 extended precision divide.
2070 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2072 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
2073 for RETURNS as well.
2075 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2077 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
2078 (CPP_CPU??_SIZE_TYPE): New.
2079 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
2080 (CPP_CPU_SPEC): ... here; support choosing of CPU.
2081 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
2082 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
2084 * i386.c (override_options): Add sorry about not suported modes.
2086 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
2088 * config/pa/som.h (NM_FLAGS): Remove.
2089 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
2090 (ASM_OUTPUT_SECTION_NAME): Remove.
2091 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
2093 2001-05-14 Mark Mitchell <mark@codesourcery.com>
2095 * regrename.c (regrename_optimize): Do not rename registers to
2098 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
2100 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
2101 contain MEMs. Remove useless distinction about clobbering
2104 2001-05-13 Geoff Keating <geoffk@redhat.com>
2106 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
2107 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
2108 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
2109 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2110 (EXCEPTION_SECTION): Define.
2112 2001-05-13 Zack Weinberg <zackw@stanford.edu>
2114 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
2115 binary backward compat only.
2116 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
2117 in LIB2FUNCS. Pass it to mklibgcc.
2118 * mklibgcc.in: Handle LIB2FUNCS_ST.
2120 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
2122 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
2124 * tm.texi (THREAD_MODEL_SPEC): Document it.
2125 * gcc.c (main): Use it.
2126 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
2127 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
2129 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2131 * rtl.h (SYMBOL_REF_WEAK): New macro.
2132 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
2133 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
2134 * rtl.texi (SYMBOL_REF_WEAK): Document it.
2135 * gcc.texi: Remove wrong description.
2137 2001-05-13 Mark Mitchell <mark@codesourcery.com>
2139 * Makefile.in (STAMP): New macro.
2140 Replace all uses of `touch' with $(STAMP).
2141 * fixinc/Makefile.in: Likewise.
2143 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2145 * configure.in: ldopen is never in -lexc, so don't test for it.
2146 Add test for exc_resume in -lexc for Ada.
2147 * configure: Regenerated.
2149 2001-05-12 Richard Henderson <rth@redhat.com>
2151 * dwarf2asm.c (size_of_encoded_value): New function.
2152 * dwarf2asm.h: Declare it.
2153 * except.c (output_function_exception_table): Align the TType
2154 array only as wide as the encoding.
2156 2001-05-12 Zack Weinberg <zackw@stanford.edu>
2158 * extend.texi: Document #pragma GCC java_exceptions.
2160 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2162 * c-parse.in (bison parser, init_reswords): Remove uses of
2164 * c-tree.h (doing_objc_thang): Remove.
2166 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2168 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
2169 about files not ending in newlines.
2171 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2173 * dwarfout.c (dwarfout_init): Add cast.
2174 * sched-deps.c (sched_analyze_insn): Remove unused vars.
2175 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
2177 * method.c (build_mangled_C99_name): Remove unused prototype.
2179 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2181 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
2183 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2185 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
2186 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
2188 2001-05-11 Richard Henderson <rth@redhat.com>
2190 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2191 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
2192 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
2193 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
2194 (dw2_output_indirect_constants): Prototype.
2195 * dwarf2out.c (dwarf2out_begin_prologue): Generate
2196 current_function_func_begin_label if we'll need it for EH. Exit
2197 early for IA64_UNWIND_INFO.
2198 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
2199 (eh_data_format_name): Update for indirect references.
2200 (output_function_exception_table): Care for IA64_UNWIND_INFO.
2201 Handle ASM_PREFERRED_EH_DATA_FORMAT.
2202 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
2203 define HAVE_eh_return etc.
2204 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
2205 (final_end_function): Don't call output_function_exception_table.
2206 * toplev.c (compile_file): Call dw2_output_indirect_constants.
2207 (rest_of_compilation): Invoke output_function_exception_table
2208 for ia64 before assemble_end_function.
2209 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
2210 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
2212 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
2213 * unwind.h: Declare them.
2214 * libgcc-std.ver: Export them.
2215 * unwind-pe.h: New file.
2217 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2219 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
2221 (find_fde_for_dso): Extract DT_PLTGOT.
2222 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
2223 the segment and gp as well.
2224 * config/ia64/frame-ia64.c: Remove file.
2225 * config/ia64/frame-ia64.h: Remove file.
2226 * config/ia64/unwind-ia64.c: New file.
2227 * config/ia64/unwind-ia64.h: New file.
2228 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
2229 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
2230 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
2231 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2232 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2233 (IA64_UNWIND_INFO): Re-enable.
2234 (HANDLER_SECTION): Remove.
2235 (EH_RETURN_DATA_REGNO): New.
2236 * config/ia64/ia64.md (exception_receiver): Remove.
2237 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
2238 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
2240 2001-05-11 Richard Henderson <rth@redhat.com>
2242 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
2243 calls and jumps to be bundled together.
2244 (ia64_reorg): Emit a break after a noreturn call that ends
2246 * config/ia64/ia64.md (break_f): New.
2248 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2250 * c-lex.c (lex_charconst): Convert into a simple wrapper
2251 around cpp_interpret_charconst, to which most of the code
2253 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
2254 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
2255 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
2256 (lex): Use cpp_interpret_charconst.
2257 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
2258 hex_digit_value): New functions.
2259 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
2260 * cpplib.h (cpp_interpret_charconst): New prototype.
2261 * Makefile.in: Update.
2263 2001-05-12 Dean Wakerley <dean@wakerley.com>
2265 * doc/install.texi: New file. Converted to texinfo from the HTML
2266 documentation in wwwdocs/htdocs/install.
2268 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
2270 * gcse.c (insert_insn_end_bb): Do not search for assignments to
2271 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2273 * toplev.c (compile_file): Move comment for opening output
2274 file to just before the code that opens the output file.
2276 2001-05-11 Jakub Jelinek <jakub@redhat.com>
2278 * regmove.c (regmove_optimize): Suppress the optimization for
2279 unchanging destination register. Add comment above function.
2281 2001-05-11 Zack Weinberg <zackw@stanford.edu>
2283 * Makefile.in: Exterminate all references to assert.h.
2284 * cross-make: Likewise.
2286 * configure.in: Correct commentary.
2287 * configure: Regenerate.
2289 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
2292 * config/t-freebsd, config/t-linux, config/t-linux-aout,
2293 config/t-netbsd, config/t-rtems, config/x-linux,
2294 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
2295 No need to override INSTALL_ASSERT_H.
2297 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
2298 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
2299 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
2301 2001-05-11 Graham Stott <grahams@redhat.com>
2303 * combine.c (simplify_comparison): Fix typo.
2305 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2307 * loop.h (struct movables): Remove `num'.
2308 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
2309 Adjust call to strength_reduce.
2310 (num_unmoved_movables): New function.
2311 (move_movables): Don't set movables->num.
2312 (strength_reduce): Compute the number of instructions in the loop
2313 here, rather than in the caller.
2314 (check_dbra_loop): Always clear reversible_mem_store if there
2315 are any memory sets.
2316 (loop_regs_scan): Don't count instructions here.
2317 (count_insn_in_loop): New function.
2319 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2321 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
2323 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
2325 * c-common.c (finish_label_expr): New function, lifted from
2326 from cp/semantics.c.
2327 * c-common.h (finish_label_expr, lookup_label): New prototypes.
2328 * c-parse.in: Move 3 blocks of parser code into new functions.
2329 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
2330 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
2331 (lookup_label): Remove.
2333 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
2335 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
2336 FLOAT_BIT_ORDER_MISMATCH.
2338 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2340 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
2341 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
2343 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2345 * expr.c (emit_group_load): extract_bit_field requires a REG or
2348 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
2350 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
2351 a computed jump into an unconditional jump.
2352 In second hunk of code for collapsing computed and conditional jumps
2353 into unconditional jumps, reemit the jump in additional cases.
2355 * jump.c (jump_optimize_1): Do not wrap the new jump target
2356 inside a LABEL_REF; gen_jump will do that automatically.
2358 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
2360 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
2361 contents for a SYMBOL_REF in case of floating point constants.
2363 2001-05-10 DJ Delorie <dj@redhat.com>
2365 * c-common.c (combine_strings): Widen strings in a
2366 host-endian-independent way.
2368 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
2370 * c-parse.in: Remove many shift/reduce conflicts. Update
2372 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
2373 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
2374 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
2375 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
2376 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
2377 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
2378 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
2379 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
2380 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
2381 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
2382 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
2383 typespec_reserved_nonattr, typespec_reserved_attr,
2384 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
2385 structsp_nonattr, components_notype, component_notype_declarator,
2386 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
2387 firstparm, setspecs_fp): New
2388 (typed_declspecs, reserved_declspecs, typed_typespecs,
2389 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
2390 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
2391 declmods_no_prefix_attr, nonempty_type_quals, structsp,
2392 type_quals): Remove. Users updated.
2393 (initdecls, notype_initdecls, after_type_declarator,
2394 parm_declarator, notype_declarator, absdcl1, components, ivars):
2395 Don't allow attributes at the start of a declarator; include them
2396 in the production containing the declarator instead. Always
2397 require type specifiers before trying to redeclare a typedef name.
2398 (typename): Allow for attributes but warn that they are ignored.
2399 (parmlist, firstparm, setspecs_fp): Include attributes in
2400 parmlist; suck them off the parser stack in firstparm using
2403 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
2405 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
2406 to determine if a block has an unconditional jump at its end.
2408 * jump.c (jump_optimize_1): When converting a conditional jump
2409 to an unconditional jump, build the jump using gen_jump instead
2410 of just modify operands in-place.
2412 2001-05-09 Zack Weinberg <zackw@stanford.edu>
2414 * cppinit.c (cpp_post_options): Shut off macro expansion if
2416 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
2417 IN_I directives only if the # is in column 1 and the directive
2418 name begins in column 2.
2419 * cppmain.c (scan_buffer): Insert a space between # and an
2420 identifier, when that identifier is a directive name.
2422 * tradcpp.c (struct file_buf): Add a pointer to the next entry
2423 in the header search path.
2424 (enum node_type): Add T_INCLUDE_NEXT.
2425 (directive_table): Add entry for include_next.
2426 (do_include_next): New function.
2427 (process_include): New routine, broken out of do_include.
2428 (finclude): Insert 'nhd' argument, to be copied into
2429 next_header_dir of the new buffer.
2430 (main): Adjust to match.
2431 * gsyslimits.h, limity.h: Un-indent #include_next.
2433 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
2435 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
2436 inclusion as a chapter of the GCC manual.
2437 * gcc.texi: Include objc.texi.
2438 * fdl.texi: Use @unnumberedsec for the addendum.
2439 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
2441 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2443 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
2445 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
2447 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
2448 handling of two-address insns.
2450 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
2452 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
2453 ../binutils/nm-new instead of ../binutils/nm.
2455 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2457 * i386.md (movdi splitter): Fix the splitting condition
2458 (float_extenddftf splitter): Fix mode.
2460 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
2462 * genrecog.c (write_switch): Avoid outputting of switch for
2463 types wider than int.
2465 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
2467 * reload1.c (copy_eh_notes): New function.
2468 (emit_input_reload_insns): Call it.
2469 (emit_output_reload_insns): Call it.
2471 2001-05-07 Zack Weinberg <zackw@stanford.edu>
2473 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
2475 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
2476 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
2478 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
2480 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
2482 * pa.md (interspace_jump): Revise comment.
2483 (builtin_longjmp): Block initial setup insns from delay slot of
2485 (builtin_setjmp_receiver): New expander to save and restore PIC
2488 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
2490 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
2492 * toplev.c (compile_file): Set up the output file before we call
2493 the various initializers for the compiler.
2495 * except.c (sjlj_mark_call_sites): Do not search for assignments to
2496 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2498 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
2499 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
2501 2001-05-06 Zack Weinberg <zackw@stanford.edu>
2503 * Makefile.in (tradcpp0): Correct typo in dependency list.
2505 2001-05-06 Geoff Keating <geoffk@redhat.com>
2507 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
2508 the link register if we're not going to use it.
2510 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
2511 (output_function_profiler): Likewise.
2513 2001-05-07 Alan Modra <amodra@one.net.au>
2515 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
2517 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
2519 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
2520 zero-extend it. Make abs_inc unsigned.
2522 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
2523 widest mode in narrowing and widening operations.
2525 * config/mips/mips.md: Sign extend CONST_INTs.
2527 2001-05-06 Andreas Jaeger <aj@suse.de>
2529 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
2530 (i386 Options): Document -momit-leaf-frame-pointer.
2532 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
2534 * c-typeck.c (internal_build_compound_expr): Check for
2535 array to pointer conversion just once.
2537 2001-05-05 Richard Henderson <rth@redhat.com>
2539 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
2541 2001-05-05 Richard Henderson <rth@redhat.com>
2543 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
2544 to the parent of the fixup region.
2546 2001-05-05 Jakub Jelinek <jakub@redhat.com>
2548 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
2550 * cpp.texi (__NO_INLINE): Document it.
2552 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
2554 * cppfiles.c (struct include_file): New member err_no.
2555 (find_or_create_entry): Set it.
2556 (open_file): Don't set fds to -2. Instead, use err_no to
2557 remember previous errors, if any.
2559 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2561 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
2562 between X and Y by using sequences of xgdx and xgdy.
2564 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2566 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
2567 of '!' for the 'D' alternative ('!' is too strong).
2568 ("*logicalsi3_silshl16"): Likewise.
2569 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
2570 ("movstrictsi"): Remove spurious '+'.
2571 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
2572 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
2573 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
2576 2001-05-04 David Edelsohn <edelsohn@gnu.org>
2578 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
2580 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
2582 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
2585 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2587 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
2590 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2592 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
2593 soft register, use ror instead of rol.
2595 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2597 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
2598 into account pre/post increment decrement for 68HC12.
2599 Fix other problems in replacement and fix call to reg_mentioned_p.
2601 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2603 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
2604 Put the soft registers in bss for 68HC12.
2605 (L_regs_d3_4): New for _.d3 and _.d4.
2606 (L_regs_d5_6): Likewise.
2607 (L_regs_d1_2): Likewise.
2608 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
2610 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2612 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
2613 to the pre-processor when -fshort-double is specified.
2614 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
2616 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2618 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
2619 (__mulsi3): Rewrite for 68HC12.
2620 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
2621 Mark 'x' constraint with earlyclobber to prevent a
2622 RELOAD_FOR_OTHER_ADDRESS to go in it.
2623 (mulhi3_m68hc12): New pattern.
2624 (mulhi3_m68hc11): Rename of mulhi3.
2625 (mulhi3): New expand for 68HC12 optimisation.
2626 (umulhisi3, mulhisi3): New patterns for 68HC12.
2628 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2630 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
2631 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
2632 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
2634 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2636 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
2637 constants cheap after reload.
2638 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
2640 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
2641 so that gcc prefers a shift by 16.
2642 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
2644 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
2646 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
2648 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2650 * alpha.h: NULL_PTR -> NULL.
2657 * i386.md: Likewise.
2660 * m68hc11.h: Likewise.
2661 * rs6000.h: Likewise.
2664 * sparc.h: Likewise.
2668 * final.c: Likewise.
2670 * recog.c: Likewise.
2672 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2674 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
2675 `bool' parameter to `int'.
2677 * hash.c (hash_lookup): Likewise.
2679 * hash.h (hash_lookup): Likewise.
2681 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
2683 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2685 * i386.c (x86_initialize_trampoline): Fix mode of constant.
2687 2001-05-03 Geoff Keating <geoffk@redhat.com>
2689 * invoke.texi (i386 Options): Delete references to -malign-jumps,
2690 -malign-loops, -malign-functions.
2691 * i386.c (ix86_align_funcs): Delete.
2692 (ix86_align_loops): Delete.
2693 (ix86_align_jumps): Delete.
2694 (override_options): Mark -malign-* as obsolete. Emulate their
2695 behaviour with the -falign-* options. Default -falign-* from
2696 the processor table.
2697 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
2698 patch of Wed May 2 13:09:36 2001.
2699 (LOOP_ALIGN): Delete.
2700 (LOOP_ALIGN_MAX_SKIP): Delete.
2701 (LABEL_ALIGN_AFTER_BARRIER): Delete.
2702 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
2704 2001-05-04 Andreas Jaeger <aj@suse.de>
2706 * except.h: Add prototype declaration for
2707 expand_builtin_init_dwarf_reg_sizes.
2709 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
2711 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
2713 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2715 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
2717 ("bitcmpqi2"): New pattern for bit-extract and test.
2718 ("bitcmphi"): New pattern for bitb/bita instructions.
2720 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
2722 * gccbug.in: Use a temporary directory when the mktemp command is
2725 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2727 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
2729 (INITIALIZE_TRAMPOLINE): Call it.
2730 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
2731 (TRAMPOLINE_TEMPLATE): Remove.
2732 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
2733 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
2736 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2738 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
2739 and crtendS.o with PIC.
2741 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2743 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2745 (___subdi3, ___adddi3): Use x instead of y as index register.
2746 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2747 (__memset, __memcpy): Likewise.
2748 (regs): Put the soft registers in bss for 68HC12.
2749 (abort): Use trap to abort for 68hc12.
2750 (__mulhi3, __mulhi32): Use emul for 68hc12.
2751 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2753 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2755 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2756 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2757 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2758 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2759 Set 68HC12 min offset to -65536.
2760 (print_operand): Put parenthesis arround the operand if it refers
2761 to a symbol having the same name as a register.
2762 (m68hc11_z_replacement): When z register is replaced by its
2763 equivalent soft register, force the insn to be re-recognized.
2764 (m68hc11_check_z_replacement): Fix the test when destination is
2765 the index register and z dies in the insn.
2766 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2768 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2770 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2771 costs according to processor variant.
2772 (m68hc11_shift_cost): New function to compute shift costs.
2773 (m68hc11_rtx_costs): Define costs according to processor variant.
2774 (m6811_cost): Costs for 68HC11.
2775 (m6812_cost): Costs for 68HC12.
2776 (COSTS_N_INSNS): Remove.
2778 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2779 (DEFAULT_RTX_COSTS): Remove.
2780 (CONST_COSTS): Define costs according to OUTER_CODE.
2781 (processor_costs): New struct to define costs.
2782 (m68hc11_cost): Pointer to current costs.
2784 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2786 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2787 and use m68hc11_notice_keep_cc when using leax/leay.
2788 (addhi3 split): Reject split if the insn is handled by
2790 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2791 push must be handled in a special way if the source operand uses
2792 sp as index register.
2793 (m68hc11_notice_keep_cc): New function.
2794 (m68hc11_gen_movhi): Use it when an insn changes a register but
2796 (m68hc11_gen_movqi): Fix move for 68HC12.
2797 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2799 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2801 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2802 and don't pass operands[0] to emit_library_call_value.
2804 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2806 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2807 (zero_extendsi split): Simplify and use (zero_extendhi).
2808 (*addhi3): Remove 'w' constraint since stack pointer is handled
2810 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2811 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2812 (*ashrhi3_const): Fix shift by 7.
2813 (*lshrsi3_const16): Fix template.
2814 (call, call_value): Fix constraint and predicate.
2816 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2818 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2819 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2820 (CC_REGNUM): Likewise.
2821 (*unnamed splits): Use above constants instead of hard coded numbers.
2822 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2823 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2824 (*return_16bit, *unnamed peepholes): Likewise.
2826 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2828 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
2829 rs6000/rs6000.h twice.
2831 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
2833 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
2834 (CPP_SPEC): Conditionally define MSDOS and GO32.
2835 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
2836 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
2838 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
2840 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2842 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
2844 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2846 * integrate.h (struct inline_remap): Add leaf_reg_map table.
2847 * integrate.c (expand_inline_function): Use xcalloc to allocate
2849 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
2852 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2854 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
2857 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2859 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
2860 linker if -mrelax is given.
2861 (TARGET_SWITCHES): Document -mrelax.
2863 Re-installed 2001-01-09's patch:
2864 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2865 if it's wider than long and the target's long is wider than the
2868 2001-05-02 David O'Brien <obrien@FreeBSD.org>
2870 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
2871 directly include rs6000/rs6000.h. Instead do it in tm.h.
2873 2001-05-02 Stan Shebs <shebs@apple.com>
2875 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
2876 NSConstantString for NeXT-style runtimes.
2877 (STRING_OBJECT_GLOBAL_NAME): New macro.
2878 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
2879 OCTI_STRING_CLASS_DECL.
2880 (constant_string_global_id): New macro.
2881 (string_class_decl): Ditto.
2882 (setup_string_decl): New function.
2883 (build_objc_string_object): Use it to build a NeXT runtime
2884 compatible string initializer.
2886 2001-05-02 Jakub Jelinek <jakub@redhat.com>
2888 * tradcpp.c (do_define): Make sure we don't walk past limit.
2890 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2892 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
2893 offsets if not REG_OK_STRICT.
2895 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
2896 (INT_REG_OK_FOR_INDEX_P): Likewise.
2897 (INT_REG_OK_FOR_BASE_P): Likewise.
2898 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
2899 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
2900 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
2901 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
2902 REG_OK_FOR_BASE_P. Take an additional parameter.
2903 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
2904 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
2905 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
2906 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
2907 rs6000_legitimate_address() and use it.
2908 * config/rs6000/rs6000.c: Update all callers.
2909 (rs6000_legitimate_address): New function.
2911 2001-05-02 David Edelsohn <edelsohn@gnu.org>
2913 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
2914 special_constant conditional blocks together.
2916 2001-05-02 Dale Johannesen <dalej@apple.com>
2918 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2920 (STRICT_ARGUMENT_NAMING): Define.
2921 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2922 function_arg_partial_nregs, setup_incoming_varargs): Remove
2923 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2926 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2928 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
2930 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2933 * expr.c (store_field): Do nothing except elaborate side-effects if
2936 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2938 * c-lex.c: NULL_PTR -> NULL.
2940 * emit-rtl.c: Likewise.
2942 * genpeep.c: Likewise.
2944 * mips-tdump.c: Likewise.
2945 * reload1.c: Likewise.
2946 * rtlanal.c: Likewise.
2948 * stor-layout.c: Likewise.
2949 * toplev.c: Likewise.
2951 2001-05-01 Per Bothner <per@bothner.com>
2953 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2954 call do_pending_stack_adjust before emiting label.
2956 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2958 * extend.texi: Fix typo.
2960 2001-05-01 Stan Shebs <shebs@apple.com>
2962 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2963 of UOBJC_MODULES_decl.
2964 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2965 (generate_descriptor_table): Ditto.
2966 (generate_protocols): Ditto.
2967 (generate_protocol_list): Ditto.
2968 (generate_classref_translation_entry): Ditto.
2970 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2972 * invoke.texi (Optimize Options): Add documentation for `--param
2973 max-delay-slot-insn-search' and `--param
2974 max-delay-slot-live-search' and reorder --param section.
2975 * params.def: Modify initial comment.
2976 * params.h (param_info): Add `help' member.
2977 * toplev.c (lang_independent_params): Include `help' description.
2978 (display_help): Print --param parameters.
2980 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2982 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
2983 Remove references to deleted files.
2984 (*-*-openbsd): No need to override xmake_file.
2985 (*-*-sysv4): Treat like *-*-sysv.
2987 * configure.in: Probe for ldopen in various places, and set up
2988 collect2 to be linked with them if found.
2989 Don't dink with Windows registry stuff unless $host_os is a
2990 Win32 os name. Check to see if we need -ladvapi32.
2991 * configure: Regenerate.
2993 * Makefile: Get rid of CLIB and HOST_CLIB.
2994 Substitute in COLLECT2_LIBS and link collect2 against its contents.
2995 * build-make: Get rid of HOST_CLIB.
2997 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2998 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2999 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3000 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
3001 config/rs6000/x-rs6000: Delete.
3003 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
3006 24 x-host fragments remain, 0 x-cpu, 3 top level.
3008 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3010 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
3011 * configure: Regenerate.
3013 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
3015 * Makefile.in (install-headers): Remove redundant dependency.
3017 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
3019 * c-tree.texi (USING_STMT): Document.
3021 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3023 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
3024 * c-common.c: Likewise.
3025 * c-decl.c: Likewise.
3026 * combine.c: Likewise.
3027 * rs6000.c: Likewise.
3028 * except.c: Likewise.
3029 * explow.c: Likewise.
3031 * fold-const.c: Likewise.
3032 * function.c: Likewise.
3035 * integrate.c: Likewise.
3037 * objc/objc-act.c: Likewise.
3038 * recog.c: Likewise.
3039 * reg-stack.c: Likewise.
3040 * reload.c: Likewise.
3041 * reload1.c: Likewise.
3042 * simplify-rtx.c: Likewise.
3044 * varasm.c: Likewise.
3046 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
3048 * diagnostic.def: New file.
3049 * diagnostic.h (diagnostic_t): New enum.
3050 * Makefile.in (diagnostic.o): Depend on diagnostic.def
3052 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3054 * tsystem.h: Test only POSIX for availability of string.h
3056 * config.gcc (all systems): If USG appeared in xm_defines,
3057 change it to POSIX. If both USG and POSIX appeared, just
3058 delete USG. Remove unnecessary quotes around xm_defines
3060 (m68k-crds-unos*): Don't #define unos - tested nowhere.
3061 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
3062 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
3063 powerpc-*-linux*): No need to set xm_defines - handled by
3064 global settings for *-*-linux*.
3066 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3068 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
3069 Always include gstab.h, not system stab.h. Don't provide
3070 default definitions of N_CATCH or N_OPT. Always use the
3071 gstab.h variant of STAB_CODE_TYPE.
3072 * final.c: Don't include stab.h/gstab.h at all, or provide
3073 defaults for N_SLINE and N_SOL.
3075 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
3076 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
3078 * sdbout.c: Always include gsyms.h instead of system syms.h.
3080 * configure.in: No need to check for stab.h.
3081 * configure, config.in: Regenerate.
3082 * Makefile.in (final.o): Don't depend on gstab.h.
3084 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3085 Richard Henderson <rth@redhat.com>
3087 * extend.texi: Improve documentation of volatile asms.
3089 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3091 * c-tree.texi: Fix thinko.
3092 * gcc.texi: Likewise.
3094 2001-04-30 Richard Henderson <rth@redhat.com>
3096 * c-common.c (c_promoting_integer_type_p): New function, from the
3097 corpse of old macro. Properly promote too-small enumerations and
3098 booleans. Adjust all callers.
3099 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
3100 (c_promoting_integer_type_p): Declare.
3101 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
3102 * c-typeck.c: Likewise.
3103 (default_conversion): Remove now redundant boolean check.
3105 2001-04-30 Jan Hubicka <jh@suse.cz>
3106 Richard Henderson <rth@redhat.com>
3108 * regmove.c (try_apply_stack_adjustment): Remove now redundant
3110 (combine_stack_adjustments_for_block): Don't combine stack
3111 allocation followed by deallocations. Handle grow-up stacks.
3113 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3115 * fdl.texi: New file.
3116 * c-tree.texi: Use the GFDL.
3117 * gcc.texi: Likewise.
3119 2001-04-30 Stan Shebs <shebs@apple.com>
3121 * invoke.texi: Add a section documenting Objective-C options.
3123 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
3125 * emit-rtl.c (try_split): Copy EH notes to sequence.
3127 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3129 * regmove.c (record_stack_memrefs): Catch all references to the
3132 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
3134 * Makefile.in (stmp-fixinc): quote shell assignment values
3136 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3138 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
3142 * prefix.c: Likewise.
3144 2001-04-28 Stan Shebs <shebs@apple.com>
3146 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
3147 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
3148 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
3149 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
3151 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
3152 (NEXT_OBJC_RUNTIME): Define.
3154 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
3156 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
3157 * simplify-rtx.c (simplify_gen_relational): Likewise.
3159 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
3161 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
3162 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
3164 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
3165 registers in SSE case; fix handling of the immediates.
3166 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
3167 operands to be in regsiters before reload.
3168 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
3169 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
3170 (abstf,absxf,negtf,negxf splitters): Compute
3171 properly the regnum for x86_64.
3172 (avsdf2_if_rex64): New.
3174 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
3176 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
3177 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
3178 into the constant pool.
3179 * jump.c (jump_optimize_1): Remove barrier successors after all
3180 the LABEL_NUSES counds have been computed.
3181 (delete_barrier_successors): When deleting a tablejump insn, also
3182 delete the jump table it uses.
3183 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
3186 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
3188 * pa.c (FRP): Remove erroneous white space in macro definition.
3190 2001-04-28 Andreas Jaeger <aj@suse.de>
3192 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
3194 * extend.texi: Likewise.
3195 * tm.texi: Likewise.
3197 2001-04-28 Andreas Jaeger <aj@suse.de>
3199 * md.texi: Use XX-bit instead of XXbit or XX bit where
3202 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
3204 * gcc.c (process_command): Allow -l lib in addition to -llib
3205 for POSIX compliance. This fixes PR c/2347.
3207 * invoke.texi: Update section on Link Options accordingly.
3209 2001-04-27 Zack Weinberg <zackw@stanford.edu>
3211 * function.c (purge_addressof_1): Remove the duplicate
3212 if (code == SET) block. Fold the two if (code == ADDRESSOF)
3215 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
3217 * except.c (expand_eh_region_start): Don't start a new block.
3218 (expand_eh_region_end): Don't end a block.
3219 * stmt.c (expand_end_bindings): Don't end EH blocks.
3220 (expand_decl_cleanup): Starting an EH region won't change the block.
3221 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
3222 (is_eh_region): Lose.
3225 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
3227 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
3229 * collect2.c (main): Add `-L' case to remove duplicate entries.
3230 (is_in_args): New function to check for a duplicate argument.
3231 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
3232 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
3233 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
3234 Define to be nonzero.
3236 2001-04-27 Andreas Jaeger <aj@suse.de>
3237 Richard Henderson <rth@redhat.com>
3239 * md.texi (Machine Constraints): Document additional i386
3240 constraints and fix description of "A".
3242 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
3244 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
3246 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
3248 * except.c (get_exception_filter): word_mode, not Pmode.
3250 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
3252 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
3253 common to other movsf patterns. Move up so that in future
3254 people who change the other patterns will change it too.
3255 (movsf_lo_sum): Allow even for soft-float; add appropriate
3257 (movsf_high): Likewise.
3258 (movsf_high+1): Allow even for soft-float.
3260 * function.c (expand_function_end): Always clobber the
3261 return registers, even if there is no return label.
3263 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3265 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
3267 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
3269 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
3270 (pushqi2_rex64, pushhi2_rex64): Add.
3272 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
3274 * except.c (expand_eh_region_end_cleanup): Force pending stack
3275 adjust before emitting label that branches around cleanup code.
3277 2001-04-26 H.J. Lu (hjl@gnu.org)
3279 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
3281 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
3283 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
3284 (ASM_OUTPUT_SECTION_NAME): Likewise.
3285 (ASM_WEAKEN_LABEL): Likewise.
3286 (UNIQUE_SECTION): Likewise.
3287 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3288 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3289 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
3290 (ASM_OUTPUT_SECTION_NAME): Likewise.
3291 (ASM_WEAKEN_LABEL): Likewise.
3292 (UNIQUE_SECTION): Likewise.
3293 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3294 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3295 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
3296 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
3297 (ASM_FILE_START): Likewise.
3298 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3299 (ASM_DECLARE_OBJECT_NAME): Likewise.
3300 (ASM_FILE_END): Likewise.
3301 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3302 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3303 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3304 (ASM_OUTPUT_CASE_LABEL): Likewise.
3305 (ASM_OUTPUT_SKIP): Likewise.
3306 (ASM_OUTPUT_ASCII): Likewise.
3307 (ASM_OUTPUT_IDENT): Likewise.
3308 (READONLY_DATA_SECTION): Likewise.
3309 (EXTRA_SECTIONS): Likewise.
3310 (EXTRA_SECTION_FUNCTIONS): Likewise.
3311 (SELECT_RTX_SECTION): Likewise.
3312 (SELECT_SECTION): Likewise.
3314 * config/mips/linux.h (INVOKE__main): Undefine.
3315 (CTOR_LIST_BEGIN): Likewise.
3316 (CTOR_LIST_END): Likewise.
3317 (DTOR_LIST_BEGIN): Likewise.
3318 (DTOR_LIST_END): Likewise.
3319 (SET_ASM_OP): Defined it to ".dummy".
3320 (ASM_OUTPUT_DEF): Defined.
3321 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
3323 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
3325 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
3326 assembler supports .p2align.
3328 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
3330 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
3332 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3334 * integrate.c (expand_inline_function): Check for error_mark_node
3337 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3339 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
3342 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
3344 * configure.in (configargs.h): Define thread_model.
3345 * configure: Rebuilt.
3346 * gcc.c (main): Print it with -v.
3348 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
3350 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
3351 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
3352 * gcc.1: Regenerate.
3354 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3356 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
3357 is_redundant_typedef): Use static inline instead of inline static.
3359 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
3361 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
3362 this directory is always searched.
3364 2001-04-25 Richard Henderson <rth@redhat.com>
3366 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
3367 of registers to restore along non eh_return path.
3369 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3371 * c-format.c (check_format_info_recurse): Handle
3372 PLUS_EXPR for format string.
3374 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3376 * config/ia64/ia64.h (CC1_SPEC): Define.
3377 * config/ia64/linux.h (CC1_SPEC): Define.
3379 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
3381 * emit-rtl.c (constant_subword): Also do sign extension in
3382 BITS_PER_WORD == 16 case.
3384 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
3386 * loop.c (try_swap_copy_prop): Go back to checking insn.
3388 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3390 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
3391 if check_mode is non-zero.
3393 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3395 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
3396 out and comparison sequence has been detected, put result into
3397 proper temporary pseudo.
3399 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3401 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
3402 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
3403 * libgcc2.c: Remove __dummy and __builtin_saveregs.
3404 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
3405 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
3406 for future reference.
3408 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
3410 * except.c (reachable_handlers): Step out one level from a RESX.
3412 * except.c (struct eh_region): Rename 'last' to 'resume'.
3413 (mark_eh_region, duplicate_eh_region_1): Adjust.
3414 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
3415 (build_post_landing_pads): Likewise.
3416 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
3417 (expand_eh_region_end_must_not_throw): Likewise.
3418 (connect_post_landing_pads): Thread (only) regions with non-deleted
3421 * except.c (expand_eh_region_end_cleanup): Save the EH return data
3422 registers around the cleanup.
3423 (get_exception_filter): New fn.
3424 (finish_eh_generation): Use it.
3426 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
3428 * c-semantics.c (add_scope_stmt): Don't call
3429 current_scope_stmt_stack multiple times.
3431 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3432 Nathan Sidwell <nathan@codesourcery.com>
3434 Lazy __FUNCTION__ generation.
3435 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
3436 RID_C99_FUNCTION_NAME): New _RIDs.
3437 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
3438 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
3439 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
3441 (function_id_node, pretty_function_id_node, func_id_node): Remove.
3442 (c99_function_name_decl_node, function_name_decl_node,
3443 pretty_function_name_decl_node, saved_function_name_decls):
3445 (struct language_function): Remove x_function_name_declared_p.
3446 (make_fname_decl): Remove a parameter.
3447 (declare_function_names): Remove prototype.
3448 (start_fname_decls, finish_fname_decls): Prototype.
3449 (fname_as_string): Likewise.
3450 (fname_string, fname_decl): Likewise.
3451 * c-common.c (make_fname_decl): Adjust.
3452 (struct fname_var_t): New struct.
3453 (fname_vars): New static array.
3454 (declare_function_name): Remove.
3455 (start_fname_decls, finish_fname_decls): New functions.
3456 (fname_as_string): New function from remnants of
3457 declare_function_name.
3458 (fname_string, fname_decl): New functions.
3460 * c-decl.c (c_function_name_declared_p): Remove.
3461 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
3462 don't call declare_function_name. Call start_fname_decls.
3463 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
3464 clobber the line number. Call finish_decl.
3465 (start_function): Call start_fname_decls.
3466 (finish_function): Call finish_fname_decls.
3467 Remove c_function_name_declared_p.
3468 (push_c_function_context): Don't push c_function_name_declared_p.
3469 (pop_c_function_context): Don't pop c_function_name_declared_p.
3470 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
3471 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
3472 (program): Call finish_fname_decls for C.
3473 (primary): Add VAR_FUNC_NAME.
3474 (reswords): Add slots for __FUNCTION__ et al.
3475 (rid_to_yy): Add mappings for __FUNCTION__ et al.
3476 (yylexname): If it's a STRING_FUNC_NAME generate the function name
3477 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
3478 * c-semantics.c (prune_unused_decls): Remove.
3479 (finish_stmt_tree): Don't call prune_unused_decls.
3480 (genrtl_decl_stmt): Don't prune unused decls here.
3482 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
3484 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
3485 constant pool, use the pool's SYMBOL_REF instead.
3487 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
3490 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
3492 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
3493 passing nested NOP_EXPRs to fold.
3495 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
3497 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
3499 2001-04-22 Mark Mitchell <mark@codesourcery.com>
3501 * loop.c (loop_delete_insns): Add prototype.
3503 2001-04-23 Phil Edwards <pme@sources.redhat.com>
3505 * configure.in: Remove ENABLE_STD_NAMESPACE.
3506 * config.in: Regenerated.
3507 * configure: Regenerated.
3509 2001-04-22 Stan Shebs <shebs@apple.com>
3511 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
3513 * config/rs6000/xm-darwin.h: Remove file.
3515 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3517 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
3518 (write_c_file_stat): Likewise.
3520 * dbxout.c (dbxout_init): Likewise.
3522 * profile.c (output_func_start_profiler): Likewise.
3524 2001-04-22 Philipp Thomas <pthomas@suse.de>
3526 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
3527 require it instead of the CVS version.
3528 * cpperror.c (v_message): Put a blank before the macro
3529 body to not confuse exgettext.
3531 2001-04-21 Mark Mitchell <mark@codesourcery.com>
3533 * flow.c (proagate_one_insn): Remove useless assignment.
3534 * jump.c (delete_insn): Tidy.
3535 * loop.c (try_copy_prop): When deleting an instruction with a
3536 REG_RETVAL note, delete the entire libcall sequence.
3537 (loop_delete_insns): New function.
3538 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
3539 we're not substituting into them yet.
3541 2001-04-21 Kazu Hirata <kazu@hxi.com>
3543 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
3545 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
3547 * config/i960/i960.c (signed_arith_operand): Likewise.
3549 * calls.c (expand_call): Fix a comment typo.
3551 2001-04-20 Zack Weinberg <zackw@stanford.edu>
3553 * configure.in: Probe for times, clock, struct tms, and clock_t.
3554 * configure, config.in: Regenerate.
3555 * timevar.c: Replace ifdef forest in get_time with (relatively)
3556 straightforward series of checks based on autoconf's probes.
3558 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
3560 * config/pa/som.h (NM_FLAGS): Define.
3562 2001-04-20 Bernd Schmidt <bernds@redhat.com>
3564 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
3566 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
3567 * ia64.c (nop_cycles_until): New function.
3568 (prev_cycle, prev_first, last_issued): New static variables.
3569 (ia64_sched_reorder): Additional arg for clock.
3570 On final scheduling pass, emit extra NOPs as needed.
3571 Set prev_first and prev_cycle.
3572 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
3573 (ia64_variable_issue): Set last_issued.
3575 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
3577 * config/i386/i386.c (ix86_expand_int_movcc,
3578 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
3580 2001-04-20 Geoff Keating <geoffk@redhat.com>
3582 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
3583 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
3584 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
3585 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
3586 ctrdi_internal6): In the short-branch case, this insn is only 4
3587 bytes long. Reported by Reza Yazdani <reza@apple.com>.
3589 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3591 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
3592 "=u" is used together with "st" resp. "st(1)" clobber.
3594 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3596 * gcse.c (gcse_main): Fix comment typo.
3597 (delete_null_pointer_check): Likewise.
3598 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
3599 * cse.c (cse_insn): Likewise.
3600 * function.c (fixup_var_refs_insns_with_hash): The sequence is
3603 2001-04-19 Zack Weinberg <zackw@stanford.edu>
3605 * toplev.c: Excise all code for the undocumented -dm option.
3606 (float_signal): Call signal just once, unconditionally.
3608 2001-04-19 Geoff Keating <geoffk@redhat.com>
3610 * fold-const.c (fold): Use first_rtl_op rather than
3611 TREE_CODE_LENGTH when looping over parameters of a tree.
3612 Correct strange grouping in test for evaluated SAVE_EXPR.
3614 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
3616 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
3617 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
3619 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
3620 name at 32 total characters.
3621 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
3622 functions in named sections -- data items can still go into unique
3623 sections, but they have normal names (ie $LIT$ and $DATA$).
3625 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
3628 2001-04-19 DJ Delorie <dj@redhat.com>
3630 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3631 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
3632 * config/i386/cygwin.h: Likewise.
3633 * config/i386/mingw32.h: Likewise.
3634 * config/vax/vms.h: Likewise.
3635 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
3637 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3638 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
3639 * config/i386/xm-cygwin.h: Likewise.
3640 * config/i386/xm-djgpp.h: Likewise.
3641 * config/i386/xm-mingw32.h: Likewise.
3642 * config/vax/xm-vms.h: Likewise.
3644 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
3645 instead of OBJECT_SUFFIX.
3646 * collect2.c (find_a_file): Look for files matching the extension
3647 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
3648 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
3649 TARGET_EXECUTABLE_SUFFIX.
3650 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
3651 (make_relative_prefix): Likewise.
3652 (convert_filename): Use TARGET_ suffixes throughout. Remove
3654 (process_command): Likewise.
3655 (do_spec_1): Likewise.
3656 * java/lang.c (init_parse): Likewise.
3658 * gcc.texi : Document four new options matching the pattern
3659 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
3660 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
3661 documentation for NO_AUTO_EXE_SUFFIX.
3663 2001-04-19 Mark Mitchell <mark@codesourcery.com>
3665 * toplev.h (struct lang_hooks): Allow decode_option to indicate
3666 that language-independent processing should not be done.
3667 * toplev.c (main): Adjust accordingly.
3669 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
3670 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
3672 * mips.md (reload_outputdi): Require that operand0 be a
3675 2001-04-19 Jakub Jelinek <jakub@redhat.com>
3677 * invoke.texi (-Wshadow): Clarify.
3679 2001-04-18 Mark Mitchell <mark@codesourcery.com>
3681 * loop.c (load_mems): Examine all the instructions in the loop
3682 before concluding that all jumps branch to the first instruction
3685 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
3687 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
3689 2001-04-18 Jakub Jelinek <jakub@redhat.com>
3691 * cpp.texi (-Wwhite-space): Remove.
3692 (-Wall): -Wall does not imply -Wwhite-space.
3694 2001-04-17 Zack Weinberg <zackw@stanford.edu>
3696 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
3697 use it instead of blindly generating a .stabs.
3698 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
3700 * xcoffout.c: Don't bother defining default for N_CATCH.
3701 (UNKNOWN_STAB): Use internal_error.
3702 (stab_to_sclass): Remove now-unnecessary aborts.
3703 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
3705 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
3707 * jump.c (mark_all_labels): Canonicalize the tail recursion
3708 label attached to CALL_PLACEHOLDER insns.
3710 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3712 * output.h (dump_flow_info, free_basic_block_vars,
3713 which_alternative): Delete redundant prototypes.
3715 * rtl.h (bss_section): Likewise.
3717 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
3719 * dbxout.c (N_OPT): Define if not available from <stab.h>
3721 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3723 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
3724 libraries and native K&R compilers.
3726 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3728 * c-typeck.c (convert_arguments): Don't check for width changes
3731 * invoke.texi (-Wtraditional): Update documentation.
3733 2001-04-16 Zack Weinberg <zackw@stanford.edu>
3735 * toplev.c (output_lang_identify): Delete.
3736 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
3737 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
3738 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
3739 after calling ASM_FILE_END.
3741 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
3742 Instead, unconditionally emit an N_OPT stab with string equal
3743 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
3745 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
3747 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
3748 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
3749 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
3750 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
3751 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
3752 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
3753 config/i370/i370.h, config/i386/beos-elf.h,
3754 config/i386/osf1elf.h, config/i386/osfrose.h,
3755 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
3756 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
3757 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
3758 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
3759 config/mips/iris6.h, config/mips/osfrose.h,
3760 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
3761 config/sparc/sp64-elf.h:
3762 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
3763 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
3765 * config/elfos.h, config/freebsd.h, config/linux.h,
3766 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
3767 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
3768 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
3769 of ASM_FILE_START which merely emit a .version directive. Delete
3770 definitions of ASM_FILE_END which merely emit an .ident directive.
3772 * config/avr/avr.h, config/vax/vax.h: Delete definition of
3773 ASM_IDENTIFY_GCC and move part of its logic into
3776 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
3777 config/sparc/linux-aout.h: Don't emit .version directive in
3780 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
3781 (output_file_start): Correct comment.
3783 * config/i386/osfrose.h: Don't emit trailing .ident directive.
3784 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
3786 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
3787 * config/rs6000/aix.h: Correct comment.
3789 * config/i386/i386afe.h: Delete.
3790 * config.gcc: Remove references to i386afe.h.
3792 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
3793 other macros deleted by this patch were undocumented.
3795 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
3797 * pa.md (reload_outdi): Operand 0 must be a non hard register.
3799 * pa.c (secondary_reload_class): SAR<->FP copies require a
3802 * install.texi (mips-mips-bsd): Update list of functions
3803 required to include memmove.
3804 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
3805 used functions to include memmove.
3807 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
3809 * i386.md (sqrtdf2): SFmode should be DFmode.
3811 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
3813 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
3814 (find_moveable_store): Likewise.
3816 2001-04-15 Jim Wilson <wilson@redhat.com>
3818 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
3820 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
3822 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
3823 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
3825 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
3827 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
3830 2001-04-14 Alan Modra <amodra@one.net.au>
3832 * pa.c (force_mode): New function.
3833 (emit_move_sequence): Use it instead of generating new rtx_REGs.
3835 2001-04-13 Jim Wilson <wilson@redhat.com>
3837 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
3838 (first_instruction): New static variable.
3839 (rtx_needs_barrier): Return 1 for alloc.
3840 (init_insn_group_barriers): Set first_instruction.
3841 (rws_sum): Delete duplicate definition.
3842 (group_barrier_needed_p): Return 0 when first_instruction true.
3843 (safe_group_barrier_needed_p): Save and restore first_instruction
3844 around group_barrier_needed_p call.
3846 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
3848 * expr.h (enum libfunc_index): Add LTI_memmove.
3849 (memmove_libfunc): Define macro.
3850 * optabs.c (init_optabs): Initialize memmove_libfunc.
3851 * expr.c (expand_assignment): Use memmove_libfunc instead of
3854 2001-04-13 Alan Modra <alan@linuxcare.com.au>
3856 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
3859 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3861 * Makefile.in (reg-stack.o): Depend on reload.h.
3862 (insn-attrtab.o): Depend on flags.h.
3864 * genattrtab (main): Include flags.h in insn-attrtab.c.
3866 * reg-stack.c: Include reload.h.
3868 * sparc.h (flag_pic): Delete redundant declaration.
3870 * output.h (flag_pic): Likewise.
3872 * tree.h (pedantic): Likewise.
3874 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3876 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
3878 * jump.c, regmove.c, toplev.c: Include reload.h.
3880 * reload.h (reload_cse_regs): Declare.
3882 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
3883 reload_cse_regs, init_reload, mark_home_live, reload,
3884 init_caller_save): Delete redundant prototypes.
3886 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3888 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
3890 * regclass.c, ssa.c: Include expr.h.
3892 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
3893 gen_move_insn): Delete redundant declarations.
3895 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3897 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
3898 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
3899 MAKEINFO and MAKEINFOFLAGS too.
3900 (stage4_build): Correctly order -B flags.
3902 2001-04-13 Alan Modra <amodra@one.net.au>
3904 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
3905 PIC_OFFSET_TABLE_SAVE_RTX.
3906 (zdepi_cint_p): Describe zdepi insn.
3907 Formatting and white space fixes throughout file.
3909 * pa.c (uint32_operand): Don't use long constant >= 2^32.
3910 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
3911 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
3912 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
3913 (output_64bit_and): Use plain `int's for shift counts.
3914 (output_64bit_ior): Likewise.
3915 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
3916 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
3919 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
3920 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
3921 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
3922 NEW_HP_ASSEMBLER into one. Kill warnings.
3924 * pa-gas.h: Delete file.
3925 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
3926 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
3927 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
3928 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
3930 * config/pa/mill32.S: New file.
3931 * config/pa/mill64.S: New file.
3932 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
3933 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
3934 * config/pa/t-linux64: New file.
3935 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
3936 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
3937 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
3939 * elfos.h (SELECT_SECTION): Undef before defining.
3940 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
3941 (LIB_SPEC): Remove -lmilli.
3942 (DBX_REGISTER_NUMBER): Remove.
3943 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
3944 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
3945 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
3946 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
3947 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
3948 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
3949 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
3950 TARGET_GAS): Define.
3951 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
3952 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
3953 regs if we don't have a prototype.
3954 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
3955 * pa.h (TARGET_ELF32): Default to 0 if undefined.
3956 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
3957 EH_RETURN_HANDLER_RTX): Define.
3958 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
3959 (DWARF_FRAME_REGNUM): Define.
3960 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
3961 * pa32-linux.h: New file.
3962 * pa64-linux.h: New file.
3964 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3965 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
3966 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
3967 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
3968 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
3969 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
3970 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3971 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3972 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
3973 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
3974 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3975 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
3976 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
3977 * pa64-hpux.h: New file.
3978 (ASM_FILE_START): Correct typo.
3979 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
3980 * config.gcc: Modify for above.
3982 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3984 * jump.c (jump_optimize_1): Don't delete dead stores here.
3985 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
3986 prior to running jump optimize before cse2.
3988 2001-04-12 Richard Henderson <rth@redhat.com>
3990 * Makefile.in (regmove.o): Depend on except.h.
3991 * regmove.c: Include it.
3993 2001-04-12 Stan Shebs <shebs@apple.com>
3995 * objc/objc-act.c: Remove all code ifdefed with the never-used
3996 macro OBJC_INT_SELECTORS.
3997 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3998 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
4000 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
4002 * config/pa/quadlib.c: Add prototypes.
4004 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4006 * bitmap.h (debug_bitmap): Delete redundant prototype.
4008 * rtl.h (get_frame_size): Likewise.
4010 2001-04-12 Jim Wilson <wilson@redhat.com>
4012 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
4013 to just emit an fnorm.
4015 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4017 * c-common.h (truthvalue_conversion, type_for_mode,
4018 type_for_size): Delete redundant declarations.
4020 * c-lex.h (is_class_name): Likewise.
4022 * c-tree.h (pedantic, convert, getdecls, gettags,
4023 global_bindings_p, init_decl_processing, insert_block,
4024 maybe_build_cleanup, poplevel, print_lang_decl,
4025 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
4026 set_block, incomplete_type_error, build_function_call,
4027 lvalue_or_else, mark_addressable): Likewise.
4029 * expr.h (expand_tree_builtin): Likewise.
4031 2001-04-12 Mark Mitchell <mark@codesourcery.com>
4033 * invoke.texi: Document --param max-gcse-memory.
4035 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4037 * configure.in (errno): Check for declaration.
4038 * configure, config.in: Regenerated.
4040 * system.h (errno): Only declare if not already done.
4042 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4044 * recog.c (general_operand, immediate_operand,
4045 nonmemory_operand): Require CONST_INTs to be sign-extended
4046 values for their modes.
4048 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4050 * expmed.c (store_bit_field): Truncate CONST_INTs.
4051 (expand_mult_highpart, expand_divmod): Likewise.
4052 * expr.c (convert_modes, store_field): Likewise.
4053 * integrate.c (expand_inline_function): Use promote_mode() to
4054 determine whether to convert_modes() an argument as signed
4056 * optabs.c (expand_binop): Get CONST_INT operands
4057 sign-extended for their appropriate modes.
4058 * stmt.c (emit_case_nodes): Convert node values to the
4060 (expand_end_case): Convert minval and range to the appropriate
4062 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
4063 the iteration variable.
4064 * varasm.c (immed_double_const): Don't require words to be
4065 narrower than host wide ints to properly sign-extend
4068 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
4070 * sh.md (builtin_setjmp_receiver): New expander.
4072 2001-04-12 David Edelsohn <dje@watson.ibm.com>
4074 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
4075 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
4076 for generating CONST_INT and CONST_DOUBLE.
4078 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4080 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
4081 already sign-extended.
4082 (rs6000_emit_prologue): Make register iterator signed.
4083 (rs6000_emit_epilogue): Likewise.
4084 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
4086 (movsf split, movdf split): Sign-extend CONST_INTs.
4087 (movdi splits): Likewise.
4089 2001-04-12 Kelley Cook <kelley.cook@home.com>
4091 * config-lang.in (lang_dirs): Add in zlib.
4093 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
4095 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
4096 operands that make it to RTL.
4098 2001-04-11 Stan Shebs <shebs@apple.com>
4100 Add Darwin (Mac OS X kernel) native support.
4101 * config.gcc (powerpc-*-darwin*): Add native bits.
4102 * config/darwin.c: New file, generic Darwin support functions.
4103 * config/darwin.h: New file, generic Darwin definitions.
4104 * config/darwin-protos.h: New file, generic Darwin prototypes.
4105 * rs6000/darwin.h: New file, Darwin for PowerPC.
4106 * rs6000/t-darwin: New file, Darwin makefile fragment.
4107 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
4108 (TARGET_MACHO): Ditto.
4109 (rs6000_abi): Add ABI_DARWIN.
4110 (RS6000_REG_SAVE): Add ABI_DARWIN case.
4111 (RS6000_SAVE_AREA): Ditto.
4112 (FP_ARG_MAX_REG): Ditto.
4113 (RETURN_ADDRESS_OFFSET): Ditto.
4114 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
4116 (rs6000_emit_move): Add ABI_DARWIN cases.
4117 (print_operand): Ditto.
4118 (first_reg_to_save): Ditto.
4119 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
4120 (debug_stack_info): Ditto.
4121 (rs6000_emit_prologue): Ditto.
4122 (rs6000_emit_epilogue): Ditto.
4123 (output_profiler_hook): Ditto.
4124 (output_function_profiler): Ditto.
4125 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
4126 (output_mi_thunk): Add TARGET_MACHO case.
4127 (add_compiler_stub): Ditto.
4128 (output_compiler_stub): Ditto.
4129 (no_previous_def): Ditto.
4130 (output_call): Ditto.
4131 (machopic_output_stub): Ditto.
4132 (rs6000_machopic_legitimize_pic_address): Ditto.
4133 (toc_section): Ditto.
4134 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
4135 (macho_high): Ditto.
4138 (load_macho_picbase): Ditto.
4139 (call): Add TARGET_MACHO case to modify function.
4140 (call_value): Ditto.
4141 (call_nonlocal_sysv): Add ABI_DARWIN case.
4142 (call_value_nonlocal_sysv): Ditto.
4143 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
4145 (machopic_output_stub): Ditto.
4146 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
4148 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4150 * dwarf2out.c (modified_type_die): Don't create new types here.
4151 * tree.h (get_qualified_type): New function.
4152 (build_qualified_type): Adjust comment.
4153 * tree.c (get_qualified_type): New function.
4154 (build_qualified_type): Use it.
4156 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4158 * cpp.texi (-Wtraditional): Update description.
4160 * invoke.texi (-Wtraditional): Likewise.
4162 2001-04-11 Jim Wilson <wilson@redhat.com>
4164 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
4165 requires more than 64 bits of alignment.
4167 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
4169 * cpplib.c (do_line): Sanity check iff enable checking.
4171 2001-04-11 Richard Henderson <rth@redhat.com>
4173 * Makefile.in (insn-recog.o): Depend on toplev.h.
4174 (insn-emit.o, doloop.o): Likewise.
4175 * genrecog.c, genemit.c: Include toplev.h in generated file.
4176 * doloop.c: Include toplev.h.
4178 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4180 * Makefile.in (gcse.o): Depend on params.h.
4181 * gcse.c: Include params.h.
4182 (gcse_main): Don't do GCSE if doing so will take inordinate
4184 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
4185 * params.h (MAX_GCSE_MEMORY): New macro.
4187 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4189 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
4191 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
4193 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4195 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
4197 * real.h (ereal_atof, real_value_truncate, target_isnan,
4198 target_isinf, target_negative, assemble_real, debug_real): Delete
4199 redundant prototypes.
4201 * Makefile.in (ifcvt.o): Depend on toplev.h.
4203 * c-semantics.c: Include expr.h.
4205 * ifcvt.c: Include toplev.h.
4207 * expr.h (rtx_equal_p): Delete prototype.
4209 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
4210 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
4211 eliminate_constant_term, expand_complex_abs, find_single_use,
4212 make_tree, init_expr_once, init_optabs, supports_one_only):
4215 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
4216 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
4217 expand_assignment, store_expr, emit_line_note_after,
4218 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
4220 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
4222 * sparc-protos.h: Delete redundant prototypes.
4224 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
4226 * reload.c (push_reload): Add condition missed in SUBREG byte
4229 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4231 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
4233 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
4235 * i386.md (floatsisf_sse): Fix output template
4236 * i386.c (ix86_expand_fp_movcc)
4238 * reg-stack.c (emit_pop_insn): Handle complex modes.
4239 (move_for_stack_reg): Emit proper move mode.
4240 (subst_stack_regs_pat): Handle complex modes.
4242 2001-04-11 Jakub Jelinek <jakub@redhat.com>
4244 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
4246 2001-04-10 Richard Henderson <rth@redhat.com>
4248 * libgcc2.h (__terminate_func_ptr): Remove typedef.
4249 (__pure_virtual, __terminate, __terminate_set_func,
4250 __default_terminate, __throw_type_match, __empty,
4251 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
4252 __eh_rtime_match, __unwinding_cleanup, __rethrow,
4253 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
4254 Remove prototypes of deleted functions.
4256 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4258 * c-typeck.c (convert_arguments): -Wtraditional now activates
4259 -Wconversion warnings, except for changes in signed-ness.
4260 Detect complex<->int & int<->complex conversions as well.
4262 * invoke.texi (-Wtraditional): Document it.
4264 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4266 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
4267 * flow.c (set_block_for_new_insns): Remove needless cast and
4268 properly check for unset block number.
4270 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
4272 * function.c (purge_single_hard_subreg_set): Only check REGNO if
4273 the subreg was a hard register. Pseudos are left as subregs.
4275 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4277 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
4278 (LIB2ADD_ST): New macro, pass it to mklibgcc.
4279 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
4280 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
4281 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
4283 2001-04-09 Bo Thorsen <bo@suse.co.uk>
4285 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
4287 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4289 * output.h (set_block_num): Missed it earlier, remove deprecated
4292 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4294 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
4295 (load_killed_in_block_p): Change bb parameter from int to basic_block.
4296 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
4297 (handle_rd_kill_set): Change bb parameter from int to basic_block.
4298 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
4299 (expr_killed_p): Change bb parameter from int to basic_block, pass
4300 basic_blocks instead of ints as parameters.
4301 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
4302 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
4303 from int to basic_block, pass basic_blocks instead of ints as parms.
4304 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
4305 parameter from int to basic_block, pass basic_blocks instead of ints.
4306 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
4307 (insert_insn_end_bb): Change bb parameter from int to basic_block,
4308 pass basic_blocks instead of ints.
4309 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
4310 basic_blocks instead of ints as parameters.
4311 (pre_delete): Pass basic_blocks instead of ints as parameters.
4312 (hoist_expr_reaches_here_p): Change bb parameter from int to
4313 basic_block, pass basic_blocks instead of ints.
4314 (hoist_code): Pass basic_blocks instead of ints as parameters.
4315 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
4316 Change bb parameter from int to basic_block.
4317 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
4318 (insert_insn_start_bb): Change bb parameter from int to basic_block,
4319 pass basic_blocks instead of ints.
4320 (insert_store): Pass basic_blocks instead of ints as parameters.
4321 (replace_store_insn, delete_store): Change bb parameter from int to
4322 basic_block, pass basic_blocks instead of ints.
4323 (store_motion): Pass basic_blocks instead of ints as parameters.
4325 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4327 * basic-block.h (set_new_block_for_insns): New Prototype.
4328 (set_block_num): Delete prototype.
4329 * flow.c (set_block_num): Remove obsolete function.
4330 (set_block_for_new_insns): Set BB for single or multiple insns.
4331 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
4332 (process_insn_end_bb): Use set_block_for_new_insns or
4333 set_block_for_insn instead of set_block_num.
4334 (pre_insert_copy_insn): Use set_block_for_new_insns.
4335 (update_ld_motion_stores): Use set_block_for_new_insns.
4336 (insert_insn_start_bb): Use set_block_for_new_insns.
4337 (replace_store_insn): Use set_block_for_new_insns.
4339 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4340 Jeff Law <law@redhat.com>
4342 * alias.c (get_addr): Externalize.
4343 (canon_true_dependence): New function. Behaves like true_dependance
4344 except it already assumes a MEM has been canonicalized.
4345 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
4346 * gcse.c (struct ls_expr): Add load/store expressions structure.
4347 (modify_mem_list, canon_modify_mem_list): New variable.
4348 (gcse_main): Initialize & finalize alias analysis. Use enhanced
4349 load motion and store motion if requested.
4350 (alloc_gcse_mem): Allocate space for modify_mem_list array.
4351 (free_gcse_mem): Free the modify_mem_list array.
4352 (oprs_unchanged_p): Use load_killed_in_block_p.
4353 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
4354 (mems_conflict_for_gcse_p): New function. Don't kill loads
4355 with stores to themselves if its in the load/store expression list.
4356 (load_killed_in_block_p): New function.
4357 (canon_list_insert): New Function.
4358 (record_last_mem_set_info): Keep a list of all instructions which
4359 can modify memory for each basic block.
4360 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
4361 (oprs_not_set_p): Use load_killed_in_block_p.
4362 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
4363 (expr_killed_p): Use load_killed_in_block_p.
4364 (compute_transp): Do not pessimize memory references.
4365 (pre_edge_insert): Update stores for a load motion expression.
4366 (one_pre_gcse_pass): Check loads/stores for extra load motion.
4367 (ldst_entry): Find or create a ldst_expr structure.
4368 (free_ldst_entry): Free memory for an individual item.
4369 (free_ldst_mems): Free entire load/store expression list.
4370 (print_ldst_list): Print debug info.
4371 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
4372 (enumerate_ldsts): Assign integer values to each entry in list.
4373 (first_ls_expr): First expression in the list.
4374 (next_ls_expr): Next expression in the list.
4375 (simple_mem): Check if expression qualifies for ld/st expression list.
4376 (invalidate_any_buried_refs): Remove from expression list if its
4377 used in some other way we dont understand.
4378 (compute_ld_motion_mems): Find all potential enhanced load motion
4380 (trim_ld_motion_mems): Remove any expressions which are invalid.
4381 (update_ld_motion_stores): Copy store values to registers for loads
4382 which have been moved.
4383 (regvec, st_antloc, num_store): New global statics.
4384 (reg_set_info): Marks registers as set.
4385 (store_ops_ok): Verfies registers expressions are valid in a block.
4386 (find_moveable_store): Look for moveable stores in a pattern.
4387 (compute_store_table): Find stores in a function worth moving, maybe.
4388 (load_kills_store): Check dependance of a load and store.
4389 (find_loads): Find any loads in a pattern.
4390 (store_killed_in_insn): Check if a store is killed in an insn.
4391 (store_killed_after): Check is store killed after an insn in a block.
4392 (store_killed_before): Check is store killed before an insn in a block.
4393 (build_store_vectors): Generate the antic and avail vectors.
4394 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
4395 (insert_store): Add a store to an edge.
4396 (replace_store_insn): Replace a store with a SET insn.
4397 (delete_store): Delete a store insn.
4398 (free_store_memory): Free memory.
4399 (store_motion): Perform store motion.
4400 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
4401 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
4402 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
4403 (f_options): Add gcse-lm and gcse-sm.
4405 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
4407 * i386.c (expand_fp_movcc): Fix condition reversal code.
4409 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
4410 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
4411 (CLASS_MAX_NREGS): Use it.
4413 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
4414 handle properly complex values.
4415 (CLASS_MAX_NREGS): Likewise; update comment.
4417 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4419 * ia64.c (ia64_flag_schedule_insns2): New variable.
4420 (ia64_override_options): Initialize it. Clear
4421 flag_schedule_insns_after_reload.
4422 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
4424 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
4426 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
4427 Do not require source to match destination anymore;
4428 Add abort to the nontrivial cases that should be handled by split.
4429 (fix_trunc?fdi): Add SSE case for x86_64.
4430 (floatdi?f): Likewise.
4431 (floatdi?f_sse): New.
4432 (fix_trunc?fdi_sse): New.
4434 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
4436 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
4437 (DEBUG_ARANGES_END_LABEL): Ditto.
4438 (dwarfout_init): Generate length and version fields at the start
4439 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
4440 after the length field.
4441 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
4442 the .debug_aranges info.
4444 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4446 * i386.c (call, call_value): Make sure that resulting call_insn
4447 does have proper second operand.
4449 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
4451 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
4452 function. Remove include of sys/cygwin.h.
4454 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
4456 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
4457 (CPP_SPEC): Always search */include/w32api for header files.
4458 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
4459 (LINK_SPEC): Add "cyg" to the library search prefixes.
4461 2001-04-08 Philip Blundell <philb@gnu.org>
4463 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
4465 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
4467 * cpperror.c (print_location): Don't special case <stdin>.
4468 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
4469 WARNING, but we don't check if we're in system headers.
4470 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
4471 * cpplib.c (do_warning): Warn in system headers.
4473 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
4475 * mbchar.c: Include config.h first.
4477 2001-04-07 Zack Weinberg <zackw@stanford.edu>
4479 * config.gcc: Set default for xmake_file at top, not bottom.
4480 Change places that set xmake_file to "none" to set to the
4481 empty string instead, or remove them entirely if there is no
4482 default xmake_file for this cpu_type. Remove references to
4485 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
4486 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
4487 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
4488 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
4489 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
4490 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
4491 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
4492 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
4493 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
4494 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
4497 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
4498 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4499 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4500 config/mips/x-sysv, config/rs6000/x-aix31:
4501 Just set CLIB to -lld or -lmld, as appropriate.
4503 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
4504 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
4505 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
4506 config/mips/x-iris, config/pa/x-pa:
4507 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
4508 OTHER_FIXINCLUDES_DIRS.
4510 * config/i386/x-djgpp: Don't set LN or LN_S.
4511 * config/m88k/x-dolph: Don't define __m88k__.
4512 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
4513 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
4514 * config/i860/fx2800.h: No need to #undef SVR4.
4516 38 x-host fragments remain, 2 x-cpu.
4518 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4520 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
4522 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4524 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
4526 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4528 * configure.in: Add check for lstat.
4529 * configure, config.in: Regenerate.
4530 * cppinit.c (append_include_chain): Make empty path ".".
4531 * cpplib.c (do_line): Don't simplify #line paths.
4532 * cppfiles.c (remove_component_p): New function.
4533 (find_or_create_entry): Acknowledge stat () errors during
4534 path simplification.
4535 (handle_missing_header): Don't simplify paths.
4536 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
4537 the empty path untouched. Don't leave a trailing '/'.
4539 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
4541 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4542 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4544 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4546 * cppfiles.c (open_file): Fail directories silently, but
4547 with an errno of NOENT set.
4548 (read_include_file): Move the common exit code to the sole
4549 caller. Return an int indicating success or failure. Let
4550 open_file handle directories.
4551 (stack_include_file): If read_include_file fails,
4552 push a "null" buffer.
4554 2001-04-05 DJ Delorie <dj@redhat.com>
4556 * function.h (virtuals_instantiated): Declare.
4557 * function.c: (virtuals_instantiated): Make global.
4558 * calls.c (emit_library_call_value_1): Use
4559 virtual_outgoing_args_rtx only if it hasn't been instantiated.
4560 Otherwise, use the stack pointer directly.
4562 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4564 * i386.c (x86_initialize_trampoline): New global function.
4565 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
4566 (INITIALIZE_TRAMPOLINE): Move offline.
4567 * i386-protos.h (x86_initialize_trampoline): Declare.
4569 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4571 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
4572 (lea_0): Rename to lea_1.
4573 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
4574 (lea_general_?): Allow SImodes on TARGET_64BIT
4575 (lea_general_?_zext): New patterns.
4576 (call_1, call_1_rex64): Fix.
4578 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4580 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
4582 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4584 * i386.c (function_arg): Return constm1_rtx for last argument.
4585 (ix86_expand_prologue): Update gen_call calls.
4586 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
4587 * i386.md (call_pop): Likewise.
4588 (call): Second operand is VOIDmode.
4589 (call_0): Likewise; Support 64bits.
4590 (call_exp): New expander.
4591 (call_1): Get to the sync.
4592 (call_1_exp): New pattern.
4593 (call_value): Support 64bit.
4594 (call_value_exp): New pattern.
4595 (untyped_call): Update gen_call call.
4596 (call_value_pop): Disable for 64bit.
4597 (call_value_0_rex64): New pattern.
4598 (call_value_1_rex64): Likewise.
4600 2001-04-05 Bo Thorsen <bo@suse.de>
4602 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
4604 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
4606 * i386.md (*andsi_1+3): If used after reload, make sure the operand
4607 satisfies ANY_QI_REG_P.
4609 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4611 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
4614 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
4617 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4619 * config.gcc: Remove default for xm_file. Clean up local
4620 machine type handling. Remove settings of xm_file to
4621 something that doesn't exist. In the big switch, set xm_file,
4622 don't append to it (the value before the big switch is always
4623 null). Don't force build_xm_file or host_xm_file to have a value.
4624 * configure.in: Remove default for xm_file. Do not special
4625 case $cpu/xm-$cpu.h not existing.
4626 * configure: Regenerate.
4628 2001-04-04 Diego Novillo <dnovillo@redhat.com>
4630 * simplify-rtx.c (simplify_binary_operation): Check for overflow
4631 when folding integer division and modulo operations.
4633 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
4635 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
4636 instead of DWARF2_ADDR_SIZE for EH addresses.
4637 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
4640 2001-04-04 Richard Henderson <rth@redhat.com>
4642 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
4643 * config/ia64/t-glibc (LIB2ADDEH): Disable.
4644 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
4646 2001-04-04 Richard Henderson <rth@redhat.com>
4648 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
4649 * configure: Rebuilt.
4651 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4653 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
4654 push insns to delete to it instead of deleting them.
4655 (delete_null_pointer_checks): Delete insns from delete_list after
4656 all delete_null_pointer_checks_1 passes are done.
4658 2001-04-04 Richard Henderson <rth@redhat.com>
4660 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
4661 * configure: Rebuilt.
4663 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4665 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
4666 * config/romp/xm-romp.h: Delete.
4668 2001-04-04 Bernd Schmidt <bernds@redhat.com>
4670 * sched-deps.c (sched_analyze_insn): Partially revert March 27
4673 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4675 * emit-rtl.c (mark_label_nuses) Increment the label uses for
4676 all labels present in rtx.
4677 (try_split) Call new function for all split insns.
4679 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4681 * recog.c (validate_replace_rtx_1): Instead of aborting just make
4682 sure the change won't be validated.
4684 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
4686 * rtl.h (set_noop_p): Declare.
4687 * flow.c (set_noop_p): Move from here ...
4688 * rtlanal.c (set_noop_p): ... to here and enhance.
4689 * cse.c (delete_trivially_dead_insns): Use it.
4690 * gcse.c (hash_scan_set): Likewise.
4691 * jump.c (delete_noop_moves): Likewise.
4692 * recog.c (split_all_insns): Likewise.
4694 2001-04-04 Alan Modra <alan@linuxcare.com.au>
4696 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
4697 stack pointer via a LO_SUM. Ditto for setting a temp register
4698 used to save to the stack. Set cfa_temp when setting fp, and
4699 allow matches to cfa_temp in addition to cfa_store when saving
4700 regs. Handle POST_INC and LO_SUM register stores. Document the
4701 changes and errors in rule 12 doco.
4703 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
4704 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
4705 (load_reg): Move closer to epilogue code.
4706 (DO_FRAME_NOTES): Define to control the following..
4707 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
4708 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
4710 (hppa_expand_epilogue): Likewise.
4712 2001-04-03 Richard Henderson <rth@redhat.com>
4714 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
4715 * configure: Rebuild.
4717 2001-04-03 Richard Henderson <rth@redhat.com>
4719 * rtl.h (LCT_THROW): New.
4720 * calls.c (emit_library_call_value_1): Handle it.
4721 * except.c (connect_post_landing_pads): Use it.
4723 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4725 * gansidecl.h: Delete file.
4726 * configure.in: Change all refs to gansidecl.h to use
4727 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
4729 * configure: Regenerate.
4731 * Makefile.in (intl.o): Don't depend on gansidecl.h.
4732 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
4733 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
4734 Don't include gansidecl.h.
4735 * intl.c, main.c, version.c, fixinc/fixlib.h,
4736 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
4739 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4741 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
4744 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4746 * config/i386/xm-beos.h, config/i386/xm-isc.h,
4747 config/i386/xm-next.h, config/i386/xm-sco.h,
4748 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
4749 config/m88k/xm-m88k.h: Delete.
4751 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
4752 * config/romp/xm-romp.h: Don't define bcopy.
4753 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
4754 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
4756 * config.gcc: Remove references to deleted files.
4758 14 xm-host.h remain, 1 xm-cpu.h.
4760 2001-04-03 Jakub Jelinek <jakub@redhat.com>
4761 David S. Miller <davem@pierdol.cobaltmicro.com>
4762 Andrew MacLeod <amacleod@redhat.com>
4764 Use byte offsets in SUBREGs instead of words.
4766 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
4767 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
4768 to pass new argument.
4769 (add_stored_regs): Use subreg_regno_offset function.
4770 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
4772 (precompute_arguments): Use gen_lowpart_SUBREG.
4773 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
4774 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
4775 (simplify_set): Rework to use SUBREG_BYTE.
4776 (expand_field_assignment): Use SUBREG_BYTE.
4777 (make_extraction): Use SUBREG_BYTE.
4778 (if_then_else_cond): Use SUBREG_BYTE.
4779 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
4780 (gen_lowpart_for_combine): Compute full byte offset.
4781 * cse.c (mention_regs): Use SUBREG_BYTE.
4782 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
4783 (canon_hash): Use SUBREG_BYTE.
4784 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
4785 (gen_lowpart_if_possible): Formatting.
4786 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
4788 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4789 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4790 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4791 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4792 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4793 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4794 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
4795 certain invariants about SUBREGs the compiler creates.
4796 (gen_lowpart_SUBREG): New function.
4797 (subreg_hard_regno): New function to get the final register number.
4798 (gen_lowpart_common): Use SUBREG_BYTE.
4799 (gen_imagpart): Spacing nits.
4800 (subreg_realpart_p): Use SUBREG_BYTE.
4801 (gen_highpart): Use SUBREG_BYTE.
4802 (subreg_lowpart_p): Always compute endian corrected goal offset,
4803 even at the byte level, then compare against that.
4804 (constant_subword): New function, pulled out all constant cases
4805 from operand_subword and changed second argument name to offset.
4806 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
4807 and call constant_subword to do the work. Return const0_rtx if
4808 looking for a word outside of OP.
4809 (operand_subword_force): Change second arg name to offset.
4810 * expmed.c (store_bit_field): Use SUBREG_BYTE.
4811 (store_split_bit_field): Use SUBREG_BYTE.
4812 (extract_bit_field): Use SUBREG_BYTE.
4813 (extract_split_bit_field): Use SUBREG_BYTE.
4814 (expand_shift): Use SUBREG_BYTE.
4815 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
4816 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
4817 * flow.c (set_noop_p): Use SUBREG_BYTE.
4818 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
4819 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
4820 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
4822 (optimize_bit_field): Use SUBREG_BYTE.
4823 (purge_addressof_1): Use SUBREG_BYTE.
4824 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
4825 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
4826 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
4827 * gengenrtl.c (special_rtx): Add SUBREG.
4828 * global.c (mark_reg_store): Use SUBREG_BYTE.
4829 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
4830 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
4831 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
4832 final byte offset is congruent to subreg's mode size.
4833 (subst_constants): Use SUBREG_BYTE.
4834 (mark_stores): Use subreg_regno_offset function.
4835 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
4836 function and SUBREG_BYTE.
4837 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
4838 (reg_is_born): Use subreg_hard_regno.
4839 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
4840 endian correction code. Don't combine subregs unless resulting
4841 offset aligns with type. Fix subreg constant extraction for DImode.
4842 Simplify SUBREG of VOIDmode CONST_DOUBLE.
4843 (general_operand): Remove dead mode_altering_drug code.
4844 (indirect_operand): Use SUBREG_BYTE.
4845 (constrain_operands): Use subreg_regno_offset function.
4846 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
4847 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
4848 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
4849 * regs.h (REG_SIZE): Allow target to override.
4850 (REGMODE_NATURAL_SIZE): New macro which target can override.
4851 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
4852 on the entire subreg rtx.
4853 (push_reload): Use SUBREG_BYTE in comments and code.
4854 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
4855 for hard registers inside subregs.
4856 (operands_match_p): Use subreg_regno_offset.
4857 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
4858 containing hard regs.
4859 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
4860 corrections when fixing up MEM subregs.
4861 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
4862 subreg_regno_offset where appropriate.
4863 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
4864 byte endian corrections when fixing up MEM subregs.
4865 (subst_reloads): When combining two subregs, make sure final
4866 offset is congruent to subreg's mode size.
4867 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
4868 (refers_to_regno_for_reload_p): Use subreg_regno.
4869 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
4870 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
4871 correction code for memory subreg fixups.
4872 (forget_old_reload_1): Use subreg_regno_offset.
4873 (choose_reload_regs): Use subreg_regno.
4874 (emit_input_reload_insns): Use SUBREG_BYTE.
4875 (reload_combine_note_store): Use subreg_regno_offset.
4876 (move2add_note_store): Use subreg_regno_offset.
4877 * resource.c (update_live_status, mark_referenced_resources): Use
4878 subreg_regno function.
4879 (mark_set_resources): Use subreg_regno function.
4880 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
4881 (subreg_regno_offset, subreg_regno): Define prototypes.
4882 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
4883 (gen_lowpart_SUBREG): Add prototype.
4884 * rtl.texi (subreg): Update to reflect new byte offset representation.
4885 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
4886 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
4887 (reg_overlap_mentioned_p): Use subreg_regno.
4888 (replace_regs); Make sure final offset of combined subreg is
4889 congruent to size of subreg's mode.
4890 (subreg_regno_offset): New function.
4891 (subreg_regno): New function.
4892 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
4893 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
4894 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
4895 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
4896 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
4897 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
4898 (a29k_get_reloaded_address): Use SUBREG_BYTE.
4899 (print_operand): Use SUBREG_BYTE.
4900 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
4901 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
4902 (arm_reload_out_hi): Use SUBREG_BYTE.
4903 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
4904 instead of SUBREG_WORD.
4905 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
4906 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
4907 SUBREG creation to use byte offset.
4908 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
4909 inverted load insns): Fix explicit rtl subregs to use byte
4911 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
4912 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
4913 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
4914 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
4915 to use byte offsets.
4916 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
4917 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
4918 offsets, also make sure it is congruent to SUBREG's mode size.
4919 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
4920 unnamed ldob insn): Generate SUBREGs with byte offset.
4921 (zero_extendqihi2): SUBREG's are byte offsets.
4922 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
4923 (m68hc11_gen_highpart): Use SUBREG_BYTE.
4924 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
4925 zero-extendqisi2): Generate SUBREGs with byte offset.
4926 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
4927 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
4928 subregs in rtl to use byte offsets.
4929 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
4930 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
4931 (mips_move_2words): Use subreg_regno_offset.
4932 (mips_secondary_reload_class): Use subreg_regno_offset.
4933 * config/mips/mips.md (DImode plus, minus, move, and logical op
4934 splits): Fixup explicit subregs in rtl to use byte offsets.
4935 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
4936 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
4937 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
4938 rtl to use byte offsets.
4939 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
4940 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
4941 subregs to use byte offsets.
4942 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
4943 Fixup explicit subregs in rtl to use byte offsets.
4944 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
4945 and remove byte endian correction code.
4946 * config/sh/sh.c (output_movedouble): Use subreg_regno.
4947 (gen_ashift_hi): Use SUBREG_BYTE.
4948 (regs_used): Use subreg_regno_offset.
4949 (machine_dependent_reorg): Use subreg_regno_offset.
4950 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
4951 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
4952 (movdf_i4): Subregs are byte offsets now.
4953 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
4954 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
4955 (REGMODE_NATURAL_SIZE): Override.
4956 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
4957 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
4959 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
4960 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
4961 extendqidi2): Generate SUBREGs with byte offsets, also make sure
4962 it is congruent to SUBREG's mode size.
4963 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
4965 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
4966 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
4967 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
4968 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
4969 * config/v850/v850.c (print_operand, output_move_double): Use
4970 subreg_regno function.
4972 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4974 * configure.in (target_subdir): Use target_alias, not target.
4975 * configure: Rebuilt.
4977 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4979 * config/sh/crti.asm: Fix typos in comments.
4981 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4983 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
4984 TARGET_FAST_INDIRECT_CALLS.
4985 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
4987 (return_addr_rtx): Short circuit export stub matching when
4988 TARGET_NO_SPACE_REGS.
4989 (output_millicode_call): For out of range calls, make -fPIC
4990 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
4991 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
4992 * pa.md: Modify length attr calculation of all millicode insns to
4995 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
4997 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4998 Require at least 2.11 in the version test. Specifically check
4999 for and reject GAS version 2.10.90.
5000 * configure: regenerate.
5002 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5004 * pa.c (override_options): Remove PIC profiling warning.
5005 (hp_profile_labelno): Delete.
5006 (hp_profile_label_rtx): Delete.
5007 (hp_profile_label_name): Delete.
5008 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
5009 (output_function_prologue): Remove profiling code and all tests on
5010 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
5011 merge_sp_adjust_with_store can work for PIC and profiling.
5012 (hppa_expand_epilogue): Remove profile_flag test.
5013 (hppa_can_use_return_insn_p): Likewise.
5014 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
5015 cater for PROFILE_HOOK.
5016 (hppa_profile_hook): New function.
5017 * pa.h (FUNCTION_PROFILER): Now does nothing.
5018 (PROFILE_HOOK): Define.
5019 (hppa_profile_hook): Declare.
5020 (PROFILE_BEFORE_PROLOGUE): Delete.
5021 (ASM_OUTPUT_REG_PUSH): Delete.
5022 (ASM_OUTPUT_REG_POP): Delete.
5023 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
5024 r24. Accept function name operand, and use this and a locally
5025 generated label to calculate pc-rel offset to func start.
5027 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5029 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
5030 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
5033 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5035 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
5036 LO_SUM cases to where they belong.
5038 2001-04-02 Richard Henderson <rth@redhat.com>
5040 * except.h (lang_eh_type_covers): Mark extern.
5041 (lang_eh_runtime_type): Likewise.
5043 2001-04-02 Zack Weinberg <zackw@stanford.edu>
5045 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
5046 gengenrtl.c: Wrap generated header in multiple-include guard.
5047 Improve error checking.
5049 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5051 * configure.in: Don't check for putenv.
5052 * configure: Regenerate.
5053 * gcc.c (putenv): Don't define.
5054 * vax/xm-vms.h: Handle putenv.
5056 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5058 * ifcvt.c (noce_emit_move_insn): New.
5059 (noce_try_store_flag, noce_try_store_flag_constants,
5060 noce_try_store_flag_inc, noce_try_store_flag_mask,
5061 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
5062 noce_try_abs): Use it.
5063 (noce_process_if_block): Likewise.
5064 For STRICT_LOW_PART, take mode from its SUBREG.
5066 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5068 * fold-const.c (fold): Before optimizing unsigned comparison with
5069 0x7fffffffU, make sure arg0 is integral type.
5071 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
5073 * c-tree.texi: Document representation of wide strings.
5075 2001-04-01 Richard Henderson <rth@redhat.com>
5077 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
5079 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
5081 * i386.md: remove obsoleted comments.
5082 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
5083 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
5084 fix output template.
5086 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
5088 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
5090 2001-03-30 Bernd Schmidt <bernds@redhat.com>
5092 * loop.c (load_mems): When generating a load from a pseudo, update
5095 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5097 * i386.c (ix86_split_long_move): Use change address to compensate
5098 stack pointer change in push instruction.
5100 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5102 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
5103 instead of rtx_equal_p; fix the output template.
5105 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
5107 * i386.c (ix86_expand_setcc): Support 64bit.
5108 (ix86_expand_int_movcc): Likewise.
5109 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
5112 * i386.md (allocate_stack_worker): Turn to expander.
5113 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
5115 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
5117 2001-03-29 Richard Henderson <rth@redhat.com>
5119 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
5121 2001-03-28 Matthew Hiller <hiller@redhat.com>
5123 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
5126 * MAINTAINERS: Added self.
5128 2001-03-28 Richard Henderson <rth@redhat.com>
5130 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
5131 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
5133 2001-03-28 Jim Wilson <wilson@redhat.com>
5135 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
5138 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5140 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
5142 * tradcif.y (yyerror): Likewise. Add format specifier in call to
5145 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
5147 2001-03-28 DJ Delorie <dj@redhat.com>
5149 * Makefile.in (stage1_build): Revert CFLAGS patch.
5151 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
5153 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
5154 when multiplier or multiplicand is zero.
5156 2001-03-28 Bernd Schmidt <bernds@redhat.com>
5158 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
5160 * config/ia64/ia64.c (update_set_flags): New function, broken out of
5162 (set_src_needs_barrier): Likewise.
5163 (rtx_needs_barrier): For SET case, use these two functions. Rework
5164 PARALLEL case to handle all inputs before all outputs.
5165 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
5166 saw a label and no stop bit since then.
5167 (maybe_rotate, process_epilogue): Add prototypes.
5169 2001-03-28 Richard Henderson <rth@redhat.com>
5171 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
5172 not TARGET_TOC for special toc restore handling.
5173 * config/rs6000/rs6000.md (eh_return): Likewise.
5175 2001-03-28 Richard Henderson <rth@redhat.com>
5177 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
5178 current_function_calls_eh_return.
5179 (output_function_epilogue): Handle eh_return.
5180 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
5181 (EH_RETURN_DATA_REGNO): New.
5182 (EH_RETURN_STACKADJ_RTX): New.
5183 (EH_RETURN_HANDLER_RTX): New.
5184 * config/sparc/sparc.md (call/short branch peepholes): Check
5185 can_throw_internal instead of in_same_eh_region.
5187 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
5188 for eh_return data registers.
5189 (rs6000_emit_prologue): Save eh_return data registers.
5190 (rs6000_emit_epilogue): Force inline restores if eh_return.
5191 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
5192 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
5193 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
5194 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
5195 the target uses one.
5196 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
5197 (return_eh_si, return_eh_di): Remove.
5198 (eh_return): New, from corpse of eh_epilogue.
5199 (eh_set_lr_si, eh_set_lr_di): New.
5201 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
5202 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
5203 True for pic register if current_function_calls_eh_return.
5204 (ix86_expand_epilogue): Change "emit_return" argument into "style".
5205 Handle eh_return requirements.
5206 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
5207 (EH_RETURN_STACKADJ_RTX): New.
5208 * config/i386/i386.md (exception_receiver): Remove.
5209 (eh_return, eh_return_1): New.
5210 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5212 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
5213 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
5214 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
5215 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
5216 (EH_RETURN_DATA_REGNO): New.
5217 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
5218 * config/alpha/alpha.md (eh_epilogue): Remove.
5219 (exception_receiver): Use $26 for ldgp input.
5220 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5222 2001-03-28 Richard Henderson <rth@redhat.com>
5224 * except.c: Rewrite entirely for IA-64 ABI exception handling.
5225 * except.h: Likewise.
5227 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
5228 (LIB2ADDEHDEP): New.
5229 (LIB2FUNCS_EH): Remove.
5230 (LIB2ADD): Remove LIB2ADDEH.
5231 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
5232 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
5233 (crt{begin,end}[S].o): Likewise.
5234 (except.o): Update includes.
5235 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
5236 (libgcc2_c_dep): Use LIB2ADDEHDEP.
5238 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
5239 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
5240 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
5241 * builtins.c (expand_builtin): Implement it.
5242 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
5243 * c-common.c (c_common_nodes_and_builtins): Declare it.
5244 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
5245 * calls.c (libfunc_nothrow): Remove.
5246 (emit_library_call_value_1): Don't call it.
5247 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
5248 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
5249 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
5250 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
5251 (current_funcdef_number): Globalize.
5252 (output_call_frame_info): Emit frame data if an lsda is needed.
5253 Generate augmentation for personality routine. Don't play with
5255 (dwarf2out_begin_prologue): Record funcdef_number.
5256 * dwarf2out.h (current_funcdef_number): Declare.
5257 * expr.c (expand_expr): Update for except.h name changes.
5258 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
5259 * expr.h (LTI_throw, LTI_rethrow): Remove.
5260 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
5261 (LTI_eh_rtime_match): Remove.
5262 (LTI_unwind_resume, LTI_eh_personality): Add.
5263 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
5264 * final.c (final): Don't call check_exception_handler_labels,
5265 init_insn_eh_region, or free_insn_eh_region.
5266 (final_scan_insn): Always emit debug labels for
5267 NOTE_INSN_EH_REGION notes.
5268 * flags.h (flag_new_exceptions): Remove.
5269 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
5270 (record_active_eh_regions): Remove.
5271 (count_basic_blocks): Check all instructions for REG_EH_REGION.
5272 Use can_throw_internal.
5273 (find_basic_blocks_1): Likewise.
5274 (move_stray_eh_region_notes): Remove.
5275 (find_label_refs): No eh_return_stub_label.
5276 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
5277 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
5279 (delete_unreachable_blocks): Don't track deleted handlers.
5280 (flow_delete_block): Use maybe_remove_eh_handler.
5281 (delete_eh_regions): Remove.
5282 (merge_blocks): Don't check for eh region match.
5283 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
5284 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
5285 (init_propagate_block_info): Disable dead frame store optimization
5286 when current_function_calls_eh_return.
5287 (dump_bb): Don't print eh_beg, eh_end.
5288 * function.c (fixup_var_refs): No catch_clauses.
5289 (expand_function_end): Likewise. Call expand_eh_return before
5290 the return register use. Call sjlj_emit_function_exit_after.
5291 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
5292 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
5293 * ifcvt.c (dead_or_predicable): Remove eh region check.
5294 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
5295 Don't check for EH vs parameters.
5296 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
5297 (expand_inline_function): Call duplicate_eh_regions.
5298 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
5299 (copy_insn_notes): Remap REG_EH_REGION notes.
5300 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
5301 * integrate.h (struct inline_remap): Add local_return_label.
5302 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
5303 check_exception_handler_labels, nor exception_optimize.
5304 (find_cross_jump): No EH region check.
5305 * optabs.c (init_optabs): Update for changed eh libfuncs.
5306 * rtl.def (RESX): New.
5307 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
5308 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
5309 checks. Update for except.h name changes.
5310 (expand_cleanups): Likewise.
5311 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
5312 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
5313 (compile_file): Call init_eh before init_optabs. Don't
5314 output_exception_table here.
5315 (rest_of_compilation): Call convert_from_eh_region_ranges,
5316 convert_to_eh_region_ranges, output_function_exception_table.
5317 Don't emit_eh_context.
5318 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
5319 (EXC_PTR_EXPR): New.
5321 * md.texi (eh_epilogue): Remove.
5322 (eh_return): Document.
5323 * tm.texi (EH_RETURN_DATA_REGNO): Document.
5324 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
5326 * eh-common.h: Remove file.
5327 * frame-dwarf2.c, frame.c, frame.h: Remove files.
5328 * libgcc2.c (L_eh): Remove.
5330 * unwind-dw2-fde.c: New file, largely copied from frame.c.
5331 * unwind-dw2-fde.h: New file.
5332 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
5333 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
5334 * libgcc-std.ver: Update for eh symbols.
5336 2001-03-27 Richard Henderson <rth@redhat.com>
5338 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
5339 reduce false positives.
5340 (regmove_optimize): Disable if flag_non_call_exceptions.
5342 * stmt.c (expand_return): Remove always true predicate.
5343 (expand_decl_cleanup_no_eh): Remove dead code.
5345 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
5346 barrier code. Add a scheduling barrier if a non-call insn
5347 can throw internally.
5349 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
5350 Auto-inc addresses trap only if their base register does.
5352 * except.c (can_throw_internal): Rename from can_throw.
5353 * except.h, resource.c: Update references.
5355 * integrate.c (copy_insn_list): Use returnjump_p.
5356 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
5358 * function.h (struct function): Move all boolean valued fields
5359 to single bit fields at the end of the struct.
5361 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
5363 Rename asynchronous_exceptions to flag_non_call_exceptions.
5365 * gthr-single.h (UNUSED): New. Distinguish between how C
5366 and C++ mark unused function arguments. Use throughout.
5368 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
5369 value to target configuration header.
5370 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
5371 * config.in, configure: Rebuild.
5372 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
5373 configuration and target defines.
5374 (exceptions_via_longjmp): Remove.
5375 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
5376 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
5378 * except.h (flag_non_call_exceptions): Move ...
5379 * flags.h: ... here.
5381 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
5382 exceptions, put the note on the trapping instruction.
5384 * flags.h (flag_new_exceptions): Remove.
5385 * toplev.c: Don't set it.
5386 * final.c: Don't check it.
5387 * except.c: Provide stub definition.
5389 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
5390 (calculate_global_regs_live): Kill call-clobbered registers
5391 across exception edges.
5392 * reg-stack.c (convert_regs_1): Kill the entire target stack
5393 across non-call exception edges.
5395 * flow.c (cleanup_cfg): Take no argument.
5396 * output.h, sibcall.c, toplev.c: Update all calls.
5398 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5400 * configure.in: Don't check for bcopy.
5401 * configure, config.in: Regenerate.
5403 * system.h: Don't define or prototype bcopy, instead poison it.
5405 2001-03-27 Richard Henderson <rth@redhat.com>
5407 * function.c (expand_function_start): Set DECL_REGISTER on
5408 a pseudo used for DECL_RESULT.
5410 * rtl.h (LCT_NORETURN): New.
5411 * calls.c (emit_library_call_value_1): Handle it.
5413 2001-03-27 Stan Shebs <shebs@apple.com>
5415 * objc/objc-act.c (objc_init): Use dump_base_name.
5416 (gen_declaration): Clear the buffer arg.
5417 (gen_declaration_1): New function, body of gen_declaration.
5418 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
5419 (gen_method_decl): Ditto, plus always clear buffer arg.
5420 (error_with_ivar): Simplify.
5421 (warn_with_method): Ditto.
5422 (build_message_expr): Don't clear buffers.
5423 (dump_interface): Ditto.
5424 (objc_debug): Ditto.
5425 (build_keyword_selector): Clear the buffer by only zeroing
5427 (objc_implementation_context): Declare.
5428 (start_class): Warn about missing @end.
5429 (finish_objc): Ditto.
5431 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
5433 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
5435 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5437 * Makefile.in (SYSTEM_H): Define.
5438 Depend on $(SYSTEM_H), not system.h.
5440 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
5442 2001-03-27 Jim Wilson <wilson@redhat.com>
5444 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
5446 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
5447 (process_epilogue): New static function.
5448 (process_set): Call process_epilogue instead of emitting .restore
5450 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
5452 * flow.c (struct reg_cond_life_info): New fields orig_condition
5454 (init_propagate_block_info): Set new fields.
5455 (mark_regno_cond_dead): Set and use new fields.
5456 (flush_reg_cond_reg_1): Likewise.
5457 (and_reg_cond, case AND): Check for redundant AND conditions.
5458 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
5461 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
5463 * cppmacro.c (stringify_arg): Null terminate strings.
5465 2001-03-27 Zack Weinberg <zackw@stanford.edu>
5467 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
5468 inclusion style. xm-m68hc11.h no longer exists.
5469 * config/m68hc11/xm-m68hc11.h: Delete file.
5470 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
5472 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
5473 Don't define GCC_VERSION, N_, or PARAMS; don't include
5474 gansidecl.h or stdio.h. Define inhibit_libc here.
5475 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5476 Delete code conditioned on #if GCC_VERSION == 2095.
5478 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
5479 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5480 Delete code conditioned on #if GCC_VERSION == 2095.
5482 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5484 * system.h: Include symcat.h.
5485 (STRINGIFY): Don't define.
5487 * configure.in: Adjust comment.
5489 * builtins.c: Use STRINGX, not STRINGIFY.
5490 * gencheck.c: Likewise.
5491 * gengenrtl.c: Likewise.
5492 * protoize.c: Likewise.
5494 * cpplex.c: Don't include symcat.h.
5495 * cpplib.c: Likewise.
5497 * gansidecl.h (HAVE_STRINGIZE): Don't define.
5499 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5501 * c-typeck.c (digest_init): Fold init expression.
5503 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5505 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
5507 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5509 * except.c (eh_regs): Save results of build_pointer_type to a temp
5510 as FUNCTION_VALUE macro may evaluate its args multiple times.
5512 2001-03-26 Mark Mitchell <mark@codesourcery.com>
5514 * c-common.h (DECL_NUM_STMTS): New macro.
5515 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
5517 (pushdecl): Likewise.
5518 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
5519 * integrate.c (expand_inline_function): Don't check
5521 * print-tree.c (print_node): Don't print it.
5522 * toplev.c (rest_of_compilation): Don't try to inline when
5523 flag_no_inline is on.
5524 * tree.h (DECL_FRAME_SIZE): Remove.
5525 (tree_decl): Adjust accordingly.
5527 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5529 * combine.c (try_combine): Use memcpy, not bcopy.
5531 * genattrtab.c (expand_units): Likewise.
5533 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5535 * i386.md (push mem DI peep2): New.
5536 (mov 0, mov -1 peep2): Handle 64bit.
5537 (lea to arithmetics peep2): Handle 64bit leas.
5538 (rsp arithmetics to push/pop peep2s): New.
5540 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
5542 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5544 * i386.c (struct machine_function): Add save_varrargs_registers.
5545 (ix86_save_varrargs_registers): New macro.
5546 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
5547 (ix86_expand_prologue): Likewise.
5548 (ix86_emit_epilogue_esp_adjustement): Likewise.
5549 (ix86_expand_epilogue): Likewise.
5550 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
5551 (pro_epilogue_adjust_stack_1): New insn.
5552 (pro_epilogue_adjust_stack_rex64): Likewise.
5553 * i386.h (MASK_NO_RED_ZONE): New constant.
5554 (TARGET_RED_ZONE): New macro.
5555 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
5556 (RED_ZONE_SIZE): New constant.
5557 (RED_ZONE_RESERVE): New constant.
5559 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5561 * toplev.c (set_float_handler): Use memcpy, not bcopy.
5563 2001-03-25 Kazu Hirata <kazu@hxi.com>
5565 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
5568 (umodhi3): Likewise.
5571 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5573 * mkconfig.sh (DEFINES): Handle entries with '='.
5575 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
5576 Set xm_defines to MACRO=value instead.
5578 * i370/xm-mvs.h: Delete.
5580 * ns32k/xm-pc532-min.h: Likewise.
5582 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5584 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
5586 use ix86_expand_binary_operator
5587 (?sh??i_?): Disable for 64bit.
5588 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
5589 * i386.c (shiftdi_operand): New predicate.
5591 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
5592 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
5593 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
5594 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
5595 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
5596 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
5597 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
5598 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
5599 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
5600 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
5601 (rotldi3, rotrdi3): New expanders.
5603 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5605 * i386.md (movstrsi): Move offline.
5607 (strmovdi_rex64): New.
5608 (strmov?i): Accept 64bit.
5609 (strmov?i_rex64): New.
5610 (strmov?i_rex_1): New.
5611 (strmov?i_1): Disable for 64bit.
5612 (rep_mov?i_rex64): New.
5613 (rep_mov?i): Disable for 64bit.
5614 (clrstrsi): Move offline.
5615 (strset?i_rex64): New.
5616 (strset?i: Accept 64bit.
5617 (rep_stos?i): Disable for 64bit.
5618 (rep_stos?i_rex64): New.
5619 (strset?i_rex_1): New.
5620 (strset?i_1): Disable for 64bit.
5621 (cmpstrsi): Accept 64bit.
5622 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
5623 (cmpstrqi_nz_rex_1): New.
5624 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
5625 (strlensi): Move offline.
5627 (strlenqi_1): Disable for 64bit; fix constraints.
5628 (strlenqi_rex_1): New.
5629 * i386.c (ix86_adjust_counter): New static function.
5630 (ix86_zero_extend_to_Pmode): Likewise.
5631 (ix86_expand_aligntest): Likweise.
5632 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
5633 (ix86_expand_movstr): New global function.
5634 (ix86_expand_clrstr): New global function.
5635 (ix86_expand_strlen): New global function.
5636 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
5637 ix86_expand_strlen): Declare.
5638 (ix86_expand_strlensi_unroll_1): Delete.
5640 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
5642 * i386.md (cmpdi): Fix operand predicates.
5643 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
5644 cmpdi_1_insn_rex64): New patterns.
5645 (adddi3): Turn to expander.
5646 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
5647 (addsi3_carry_zext): New pattern.
5648 (adddi_?_rex64): New patterns and splitters.
5649 (addsi_?_zext): New patterns.
5650 (subsi3_carry_zext): New pattern.
5651 (subdi_?_rex64): New patterns and splitters.
5652 (iorsi_?_zext): New patterns.
5653 (iordi_?_rex64): New patterns and splitters.
5654 (iorsi_?_zext): New patterns.
5655 (iorsi_?_zext_imm): New patterns.
5656 (xorsi_?_zext): New patterns.
5657 (xordi_?_rex64): New patterns and splitters.
5658 (xorsi_?_zext): New patterns.
5659 (negdi*): New patterns.
5660 (one_cmpldi*): Likewise.
5661 (one_cmplsi*_zext, negsi*_zext): Likewise.
5662 (testqi_ext_3_rex64): New pattern.
5664 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
5666 * i386-protos.h (ix86_split_long_move): Return void.
5667 * i386.c (ix86_split_to_parts): Handle 64bit target.
5668 (ix86_split_long_move): Likewise.
5669 * i386.md (all calls to ix86_split_long_move): Update.
5671 2001-03-23 Richard Henderson <rth@redhat.com>
5673 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
5674 to avoid shadowing arguments.
5676 2001-03-23 Jakub Jelinek <jakub@redhat.com>
5678 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
5679 to variable names where DECL_NAME is different from
5680 DECL_ASSEMBLER_NAME.
5682 2001-03-23 Jim Wilson <wilson@redhat.com>
5684 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
5685 (assemble_alias): Call make_decl_rtl.
5687 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
5689 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
5691 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
5693 * extend.texi: Document the "java_interface" attribute.
5695 2001-03-22 Zack Weinberg <zackw@stanford.edu>
5697 * mkconfig.sh: Use a subshell with redirected stdout,
5698 instead of closing stdout and confusing commands that run
5699 afterward. Throw away output of cmp.
5701 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
5703 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
5705 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
5707 * i386.md (zero_extendsidi2_32): Break out from ...
5708 (zero_extendsidi2): ... here ; turn to expander.
5709 (zero_extendsidi2_rex64): New.
5710 (extendsidi2_32): Break out from ...
5711 (extendsidi2): ... here ; turn to expander.
5712 (extendsidi2_rex64): New.
5713 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
5714 (trunc?f?f splitters): Add 64bit versions.
5716 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
5718 * i386.md (pushsi, pushsi2_prologue): Disable.
5719 (pushsi2_rex64): New.
5720 (movabs?i_1_rex64, movabs?i_2_rex64): New.
5721 (movqi_ext_1): Disable for 64bit.
5722 (movqi_ext_1_rex64): New.
5723 (pushdi2_rex64): New pattern, peep2s and splitter.
5724 (pushdi2_prologue_rex64): New pattern.
5725 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
5727 (movdi splitters): Disable for 64bit.
5728 (movdi_1_rex64): New pattern, peep2s and splitters.
5729 (swapdi): New pattern.
5730 (pushsf): Disable for 64bit.
5731 (pushsf_rex64): New pattern and splitter.
5732 (pushdf_nointeger): Disable for 64bit.
5733 (pushdf_integer): Handle the 64bit case.
5734 (pushtf): Likewise; update splitters.
5736 2001-03-22 Richard Henderson <rth@redhat.com>
5738 * mkconfig.sh: Include insn-flags.h.
5739 * Makefile.in (CONFIG_H): Include insn-flags.h.
5740 (lots of objects): Remove insn-codes.h and insn-flags.h.
5742 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
5743 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
5744 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
5745 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
5746 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
5747 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
5748 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
5749 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
5750 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
5751 v850/v850.c, vax/vax.c:
5752 Don't include insn-flags.h.
5754 * diagnostic.c, expr.h, reload.c, toplev.c:
5755 Don't include insn-codes.h.
5757 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
5758 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
5759 c4x/c4x.c, i960/i960.c, mips/mips.c:
5760 Don't include insn-codes.h or insn-flags.h.
5762 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
5763 or insn-flags.h in the generated code.
5764 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
5765 (main): Forward declare struct rtx_def.
5767 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
5769 * invoke.texi (-ffast-math): Remove duplicate line about
5772 * gcc.texi: Remove more obsolete documentation of bugs and
5773 installation problems.
5775 2001-03-21 Kazu Hirata <kazu@hxi.com>
5777 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
5780 2001-03-20 Jason Merrill <jason@redhat.com>
5782 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
5784 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
5785 * varasm.c (CHKR_PREFIX): Likewise.
5787 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5789 * gcse.c (hash_scan_set): An expression is not anticipatible if it
5790 is part of a multi-SET insn.
5792 * cse.c (find_comparison_args): Remove previous change.
5793 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
5796 * config/i386/i386.md (conditional_trap): Remove warning.
5798 * recog.c (push_operand): Fix error in last change that caused
5799 undefined symbol on many targets.
5801 * sdbout.c: #include ggc.h.
5802 (sdbout_init): Move to end of file.
5803 Call ggc_add_tree_root for anonymous_types.
5804 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
5805 (sdbout_one_type): Use DECL_NAME for field name.
5806 * Makefile.in (sdbout.o): Show includes ggc.h.
5808 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
5810 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
5811 (override_options): Use properlimits for preferred_stack_boundary.
5812 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
5814 (ext_register_operand): Accept DImode.
5815 (load_pic_register): Abort on 64bit.
5816 (gen_push): Use Pmode instead of SImode.
5817 (ix86_save_reg): Pic reg is never used on 64bit.
5818 (ix86_expand_prologue): Likewise.
5819 (ix86_emit_save_regs): Use Pmode instead of SImode.
5820 (legitimate_address_p): Check displacement for 64bit.
5821 (print_operand): Avoid outputting of (%rip) on 64bit.
5822 (print_operand_address): Output (%rip) where possible.
5823 (split_di): Abort on 64bit registers.
5824 (ix86_expand_branch): DImode comparison is simple for x86_64.
5825 (memory_address_length): Recognize memory addresses formed using
5827 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
5829 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
5831 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
5833 * recog.c (push_operand): Recognize new format of push instructions.
5835 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
5837 * i386.md (pushqi1): New.
5838 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
5839 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5840 x86_64_immediate_operand, x86_64_immediate_operand,
5841 x86_64_zext_immediate_operand): Declare.
5842 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
5843 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5844 x86_64_immediate_operand, x86_64_immediate_operand,
5845 x86_64_zext_immediate_operand): define.
5846 * i386.h (PREDICATE_CODES): Add new predicates.
5848 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
5850 * i386.md (pophi1, popqi1, pushqi1): Remove.
5852 * expr.c (emit_single_push_insn): New function.
5853 (move_by_pieces): Accept NULL as destination for push instructions.
5854 (gen_push_operand): Kill.
5855 (emit_push_insn): Pass NULL when pushing; avoid updating of
5856 stack_pointer_delta.
5857 * expr.h (gen_push_operand): Kill.
5859 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5861 * rtl.texi (COMPARE): Clarify documentation and reference section
5864 2001-03-20 Stan Shebs <shebs@apple.com>
5866 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
5867 (get_object_reference): Ditto.
5868 (error_with_ivar): Use error_with_file_and_line.
5869 (warn_with_method): Use warning_with_file_and_line.
5871 2001-03-20 Tom Tromey <tromey@redhat.com>
5873 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
5875 2001-03-20 Mark Mitchell <mark@codesourcery.com>
5877 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
5878 variables that are TREE_PUBLIC, even if not TREE_STATIC.
5880 2001-03-20 DJ Delorie <dj@redhat.com>
5882 * Makefile.in (install-libgcc): Pass complete list of variables.
5883 (install-multilib): Ditto.
5885 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5887 * config/i386/cygwin.h: Declare ctor_section, dtor_section
5888 drectve_section, switch_to_section.
5890 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
5891 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
5892 i386_pe_mark_dllimport.
5894 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5896 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
5897 functions i386_pe_*.
5899 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
5900 i386_pe_* functions with char * arguments.
5902 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
5904 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
5906 (movsi_ie): Introduce fpul store.
5908 2001-03-20 Alan Modra <alan@linuxcare.com.au>
5910 * Makefile.in (OBJS): Remove hashtab.o.
5912 2001-03-19 Stan Shebs <shebs@apple.com>
5914 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
5915 * c-lang.c (maybe_objc_method_name): Ditto.
5916 * c-tree.h (maybe_objc_method_name): Remove decl.
5918 2001-03-19 Tom Tromey <tromey@redhat.com>
5920 * gcc.c (init_gcc_specs): Fix comment.
5922 2001-03-19 Mark Mitchell <mark@codesourcery.com>
5924 Compute DECL_ASSEMBLER_NAME lazily.
5925 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
5926 (DECL_ASSEMBLER_NAME_SET_P): New macro.
5927 (SET_DECL_ASSEMBLER_NAME): Likewise.
5928 (COPY_DECL_ASSEMBLER_NAME): Likewise.
5929 (set_decl_assembler_name): Declare.
5930 (lang_set_decl_assembler_name): Likewise.
5931 * tree.c (lang_set_decl_assembler_name): New variab.e
5932 (set_decl_assembler_name): New function.
5933 (init_obstacks): Set lang_set_decl_assembler_name.
5934 (build_decl): Don't set DECL_ASSEMBLER_NAME.
5935 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
5936 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
5937 where it's not necessary.
5938 (builtin_function): Likewise.
5939 (finish_decl): Likewise.
5940 * dbxout.c (dbxout_type_methods): Likewise.
5941 * ggc-common.c (ggc_mark_trees): Likewise.
5942 * profile.c (output_func_start_profiler): Likewise.
5943 * varasm.c (make_decl_rtl): Likewise.
5945 * cse.c (find_comparison_args): Update documentation. Fix
5946 mishandling of COMPARE operations.
5948 * tree.def (ABS_EXPR): Add documentation.
5949 * fold-const.c (fold): Improve folding of ABS_EXPRs.
5951 2001-03-19 Zack Weinberg <zackw@stanford.edu>
5953 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
5955 2001-03-19 Jakub Jelinek <jakub@redhat.com>
5957 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
5958 Remove ia32 linux PIC kludge and move it...
5959 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
5961 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
5963 * i386.md (absdf2 expander): Fix 64bit case.
5965 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
5967 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
5969 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
5971 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
5973 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5975 * README.X11: Remove obsolete file.
5977 2001-03-18 Anthony Green <green@redhat.com>
5979 * config/pj/pj.h: Remove some trailing commas.
5980 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
5982 2001-03-18 Richard Henderson <rth@redhat.com>
5984 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
5985 * calls.c: ... here.
5986 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
5987 defaults for them here.
5989 2001-03-17 Anthony Green <green@redhat.com>
5991 * config/pj/lib1funcs.S: Fix broken comment.
5992 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
5995 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
5997 * gcc.texi: Remove obsolete information relating to build and
5998 installation problems with enquire or the Pyramid C compiler.
6000 2001-03-17 Richard Henderson <rth@redhat.com>
6002 * dwarf2out.c (queue_reg_save): New.
6003 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
6004 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
6006 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
6007 (cfa, cfa_store, cfa_temp): Make static.
6008 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
6010 2001-03-17 Richard Henderson <rth@redhat.com>
6012 * integrate.h (struct inline_remap): Add local_return_label.
6013 * integrate.c (expand_inline_function): Initialize it and emit
6014 it after copy_insn_notes.
6015 (copy_insn_list): Don't store local_return_label here.
6016 (copy_insn_notes): New function split out from copy_insn_list.
6018 2001-03-17 Richard Henderson <rth@redhat.com>
6020 * dwarf2out.c (lookup_filename): Emit .file if the assembler
6021 is generating .debug_line.
6022 (dwarf2out_init): Add main_input_filename to the file table first.
6023 * configure.in (as_dwarf2_debug_line): Test with file number 1
6024 instead of file number 0.
6026 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6028 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
6029 (gen_rtx_combine): Deleted; all references changed as appropriate.
6030 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
6032 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
6034 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
6036 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
6039 2001-03-16 Jim Wilson <wilson@redhat.com>
6041 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
6042 then set it to LOC_REG (79) instead of aborting.
6044 2001-03-16 Phil Edwards <pme@sources.redhat.com>
6046 * gccbug.in: Remove high priority.
6048 2001-03-16 Richard Henerson <rth@redhat.com>
6050 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
6051 output with a space instead of deleting it.
6052 * configure: Regenerate.
6054 2001-03-16 Zack Weinberg <zackw@stanford.edu>
6056 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
6057 handles the gory details of converting an object file into
6058 something that's safe to grep.
6059 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
6060 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
6061 newlines at either end of the string we're looking for.
6062 Make 'checking ...' message less stilted.
6063 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
6064 ARM in-memory layout and its hypothetical converse. Don't
6065 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
6066 HOST_WORDS_BIG_ENDIAN.
6068 * configure.in: Adjust for renamed macro. Move
6069 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
6070 * configure, config.in: Regenerate.
6072 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6074 * fixinc/Makefile.in: Set SHELL.
6076 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6078 * fixinc/fixincl.c (fix_with_system): Quote file names before
6079 passing them to shell.
6081 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6083 * Makefile.in: Use fix-header$(build_exeext) instead
6086 2001-03-16 Richard Henderson <rth@redhat.com>
6088 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
6089 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
6090 (size_of_line_prolog): Remove.
6091 (output_line_info): Compute prologue size via label difference.
6092 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
6094 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
6095 assembler error when redefining file numbers.
6096 * config.in, configure: Rebuild.
6098 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
6099 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
6100 (dw2_asm_output_delta_uleb128): Likewise.
6101 (dw2_asm_output_delta_sleb128): Similarly.
6102 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
6104 2001-03-16 Michael Meissner <meissner@redhat.com>
6106 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
6108 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
6110 (BITMASK_LOWER16): Replacement for 0x0000ffff.
6112 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
6113 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
6114 being unsigned in ISO C and signed in traditional.
6115 (expand_prologue): Ditto.
6116 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
6118 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
6120 (divsi3,divdi3): Ditto.
6121 (modsi3,moddi3): Ditto.
6122 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
6123 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
6124 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
6127 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
6129 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
6130 SSE based conditional moves on LTGT/UNEQ conditions;
6131 Canonicalize EQ to NE.
6132 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
6133 (sse_mov?fcc_ne): New.
6135 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
6137 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6139 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
6140 register may be dead.
6142 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
6144 * Makefile.in (hash.o): Depend on CONFIG_H.
6146 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6148 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
6150 2001-03-15 Richard Henderson <rth@redhat.com>
6152 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
6153 (ASM_OUTPUT_DWARF_PCREL): New.
6154 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
6156 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6158 * cppfiles.c (stack_include_file): Use MAX of sysp.
6160 2001-03-15 Steve Ellcey <sje@cup.hp.com>
6162 * config.gcc (ia64*-*-hpux*): New case.
6163 * config/ia64/hpux.h: New file for HP-UX support.
6164 * config/ia64/t-hpux: New file for HP-UX support.
6166 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
6168 * fixinc/inclhack.def (irix_stdio_va_list): New.
6169 * fixinc/fixincl.x: Rebuilt.
6171 2001-03-15 Richard Henderson <rth@redhat.com>
6173 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
6174 if provided by the target.
6175 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
6176 (dw2_asm_output_addr): New.
6177 * dwarf2asm.h (dw2_asm_output_addr): Declare.
6178 * dwarf2out.c (output_cfi): Use it for program addresses.
6179 (output_call_frame_info, output_die): Likewise.
6180 (output_aranges, output_line_info): Likewise.
6182 2001-03-15 Bruce Korb <bkorb@gnu.org>
6184 * gcc.c(main): make more rigorous
6185 * collect2.c(main): guard against ignoring SIGCHLD
6186 * protoize.c(main): ditto
6187 * gcc/fixinc/fixincl.c(initialize): ditto
6189 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6191 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
6192 (sdbout_parms): Likewise.
6194 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
6196 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
6197 "widen" a destination that is already wider than a word. Also do
6198 not widen if LOAD_EXTEND_OP is NIL for the given mode.
6200 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6202 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
6204 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
6206 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
6208 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
6210 * i960.h (i960_maxbitalignment,
6211 i960_last_maxbitalignment): Declare.
6212 * i960.c (i960_maxbitalignment,
6213 i960_last_maxbitalignment): Make global.
6214 (process_pragma): Delete.
6215 (i960_pr_align, i960_pr_noalign): Move from here ...
6216 * i960-c.c: ... to this new file.
6217 * t-960bare (i960-c.o): New rule.
6218 * t-vxworks960 (i960-c.o): Likewise.
6219 * config.gcc (i960-*-*): Define c_target_objs and
6222 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6224 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
6225 without adding in rtx code and mode.
6227 * alias.c (init_alias_analysis): Don't use any rtx whose value
6228 varies as a known value.
6229 Delete a superfluous test.
6231 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
6233 (ia64_sched_reorder): Call maybe_rotate; also rotate after
6234 scheduling a stop bit.
6235 (ia64_emit_nops): Correctly handle ASMs.
6237 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6239 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
6241 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
6243 * cpp.texi: Update documentation for -include and -imacros.
6244 * cppfiles.c (struct include_file): Remove "defined" memeber.
6245 (find_or_create_entry): Make a copy of the file name, and
6247 (open_file): Update to ensure we use the simplified filename.
6248 (stack_include_file): Don't set search_from.
6249 (cpp_included): Don't simplify the path name here.
6250 (find_include_file): New prototype. Call search_from to
6251 get the start of the "" include chain. Don't simplify the
6253 (_cpp_execute_include): New prototype. Move diagnostics to
6254 do_include_common. Update.
6255 (_cpp_pop_file_buffer): Don't set defined.
6256 (search_from): New prototype. Use the preprocessor's cwd
6257 for files included from the command line.
6258 (read_name_map): Don't simplify the pathname here.
6259 * cpphash.h (enum include_type): New.
6260 (struct buffer): Delete search from. New search_cached.
6261 (_cpp_execute_include): Update prototype.
6262 * cppinit.c (do_includes): Use _cpp_execute_include.
6263 * cpplib.c (do_include_common): New function.
6264 (do_include, do_include_next, do_import): Use it.
6266 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6268 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
6269 contents of the RTL, to determine the name of the object.
6271 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6273 * tree.h (DECL_RTL): Allocate RTL lazily.
6274 (SET_DECL_RTL): New macro.
6275 (DECL_RTL_SET_P): Likewise.
6276 (COPY_DECL_RTL): Likewise.
6277 (DECL_RTL_IF_SET): Likewise.
6278 * varasm.c (make_decl_rtl): Add assertions about the kind of
6279 declaration we are processing.
6280 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
6281 (start_decl): Likewise.
6282 (finish_decl): Likewise.
6283 * c-semantics.c (emit_local_var): Likewise.
6284 * calls.c (expand_call): Likewise.
6285 * dbxout.c (dbxout_symbol): Likewise.
6286 * emit-rtl.c (unshare_all_rtl): Likewise.
6287 (unshare_all_decls): Likewise.
6288 (reset_used_decls): Likewise.
6289 * expr.c (store_constructor): Likewise.
6290 (safe_from_p): Likewise.
6291 (expand_expr): Likewise.
6292 * function.c (put_var_into_stack): Likewise.
6293 (instantiate_decls_1): Likewise.
6294 (assign_parms): Likewise.
6295 (expand_function_start): Likewise.
6296 (expand_function_end): Likewise.
6297 * ggc-common.c (gcc_mark_trees): Likewise.
6298 * integrate.c (function_cannot_inline_p): Likewise.
6299 (copy_decl_for_inlining): Likewise.
6300 (expand_inline_function): Likewise.
6301 (integrate_parm_decls): Likewise.
6302 (integrate_decl_tree): Likewise.
6303 * print-tree.c (print_node): Likewise.
6304 * reg-stack.c (stack_result): Likewise.
6305 * stmt.c (label_rtx): Likewise.
6306 (expand_return): Likewise.
6307 (expand_decl): Likewise.
6308 (expand_decl_cleanup): Likewise.
6309 (expand_anon_union_decl): Likewise.
6310 * toplev.c (check_global_declarations): Likewise.
6311 (rest_of_decl_compilation): Likewise.
6312 * tree.c (simple_cst_equal): Likewise.
6313 * objc/objc-act.c (generate_static_references): Likewise.
6315 2001-03-14 Zack Weinberg <zackw@stanford.edu>
6317 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
6318 gcc_AC_C_FLOAT_FORMAT): New macros.
6319 * configure.in: Add AC_PROG_CPP after CC tests;
6320 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
6321 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
6322 * configure, config.in: Regenerate.
6324 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
6325 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6326 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6327 config/i370/xm-linux.h, config/i370/xm-oe.h,
6328 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6329 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
6330 config/pa/xm-linux.h, config/pa/xm-pa.h,
6331 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
6332 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
6333 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
6334 config/we32k/xm-we32k.h: Delete.
6336 * config/i370/xm-mvs.h, config/m88k/m88k.h,
6337 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6338 config/vax/xm-vms.h: Don't define any of:
6339 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
6341 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
6343 * config.gcc: Remove references to deleted files.
6344 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
6345 FATAL_EXIT_CODE, which is the same between oe and mvs).
6347 2001-03-14 DJ Delorie <dj@redhat.com>
6348 Vladimir Makarov <vmakarov@redhat.com>
6350 * config/i960/i960.c (i960_function_prologue): Compute size of
6351 frame according to number of registers actually saved there.
6353 2001-03-14 Richard Henderson <rth@redhat.com>
6355 * expr.c (emit_move_insn_1): Fix else if around #endif.
6357 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
6360 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
6363 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
6365 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
6366 (override_options): Parse cmodel string.
6367 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
6368 * i386.h (TARGET_OPTIONS): Add "cmodel".
6369 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
6371 (ix86_cmodel_string, ix86_cmodel): Declare.
6373 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
6376 * i386.h (GENERAL_REG_P): Add missing REG_P.
6378 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
6380 * configure.in: Use $gcc_cv_as instead of $as.
6381 * configure: Regenerated.
6383 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
6385 * cppfiles.c (stack_include_file): Only increase the include
6386 count if we actually process the file properly, as opposed
6387 to treating it as length zero. Only call read_include_file
6388 if not DO_NOT_REREAD. Handle the -H include file output
6390 (read_include_file): Remove now redundant DO_NOT_REREAD check.
6391 (cpp_included, find_include_file): Simplify pathnames after
6392 remapping them. If remapping, don't use the remapped file
6393 name's buffer as our scratch buffer.
6394 (cpp_pop_file_buffer): Replace the multiple include macro
6395 only if it isn't yet set.
6396 (read_name_map): Simplify remapped names when reading in.
6397 (remap_filename): Move code to code path that uses it.
6398 (_cpp_simplify_pathname): Return the input pointer.
6399 * cpphash.h (_cpp_simplify_pathname): Update prototype.
6401 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6403 * expr.c (expand_expr): Revove bogus conditional.
6405 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
6407 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
6409 2001-03-14 Jakub Jelinek <jakub@redhat.com>
6411 * reg-stack.c (stack_result): Unconditionally use
6412 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
6414 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
6416 * expr.c (emit_move_insn_1): Split push of complex value when
6417 no suitable push instruction exist.
6419 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
6420 instead of QI_REG_P.
6422 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6424 * alias.c (handled_component_p, can_address_p): New functions.
6425 (get_alias_set): Use them.
6427 2001-03-13 Jim Wilson <wilson@redhat.com>
6429 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
6430 from 80 in try_locals code.
6431 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
6433 2001-03-13 Zack Weinberg <zackw@stanford.edu>
6435 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
6436 gcc_AC_C_LONG_LONG): New.
6437 * configure.in: Use them. Probe the size of short, int, long,
6438 and long long/__int64 if we have them. Move all the AC_C_*
6439 checks together, except gcc_AC_C_CHAR_BIT which has to go
6440 after AC_CHECK_HEADERS(limits.h).
6441 Take hwint.h out of host_xm_file and build_xm_file.
6443 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
6444 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
6445 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
6446 Move the HOST_WIDEST_INT setup logic here from system.h.
6447 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
6449 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
6450 is now handled by hwint.h.
6452 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
6453 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
6454 config/ia64/xm-ia64.h: Don't define any of:
6455 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
6456 HOST_BITS_PER_LONGLONG.
6458 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
6459 config/h8300/xm-h8300.h, config/mips/iris6.h,
6460 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
6461 config/sparc/xm-sp64.h: Delete.
6462 * config.gcc: Remove references to deleted files.
6464 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
6465 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
6466 * config/i370/xm-linux.h: Clarify floating-point situation in
6469 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
6471 * cppfiles.c (NO_INCLUDE_PATH): New macro.
6472 (find_include_file): Decide here which part of the include
6473 chain to start the search. Complain about an empty include
6474 chain in all cases apart from an abolsute file name.
6475 (_cpp_execute_include): Don't choose the search chain here.
6476 Don't call handle_missing_include in the case of an empty
6478 (_cpp_compare_file_date): Don't choose the search chain here.
6479 * cpplib.c (do_include_next): Move the in-main-file diagnostic
6480 here from _cpp_execute_include. Behave like #include if
6481 we're in the main file.
6483 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6485 * system.h (malloc, realloc, calloc, strdup): Only poison these
6486 tokens when IN_GCC is defined.
6488 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
6490 * i386.md (abs?f expander): Support SSE case.
6491 (abd?f_if): Add new "USE"; add splitters.
6493 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6495 * cpp.texi (poison): Explain the macro expansion exception.
6497 2001-03-13 Jakub Jelinek <jakub@redhat.com>
6499 * expr.c (store_expr): Add dont_store_target. If temp is already in
6500 target before copying to reg, don't store it into target again.
6502 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6504 * cppinternals.texi: Update for file handling.
6506 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6508 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
6509 2001-02-24 which broke building the Java library.
6510 * function.c (identify_blocks): Likewise.
6511 (all_blocks): Likewise.
6512 * integrate.c (integrate_decl_tree): Likewise.
6513 * print-tree.c (print_node): Likewise.
6514 * tree.h (BLOCK_NUMBER): Likewise.
6515 (struct tree_block): Likewise.
6517 2001-03-12 David Edelsohn <edelsohn@gnu.org>
6519 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
6520 __WCHAR_TYPE__ definition.
6521 (WCHAR_TYPE_SIZE): #undef before #define.
6523 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6525 * cppfiles.c: Update comments.
6526 (destroy_include_file_node): Rename destroy_node.
6527 (find_or_create_entry): New function.
6528 (open_file, _cpp_fake_include): Use it.
6529 (handle_missing_header): New function, broken out of
6530 _cpp_execute include. Don't segfault if there is no
6531 system or quoted path.
6532 (_cpp_execute_include): Use handle_missing_header.
6534 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6536 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
6537 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
6539 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6541 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
6542 unless anti_dependence says they are.
6543 * alias.c (objects_must_conflict): If neither has a type specified,
6546 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6547 David Billinghurst <David.Billinghurst@riotinto.com>
6549 * config/mips/iris5.h: Change WCHAR_TYPE to int.
6551 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
6553 * i386.md (trunctfdf2_2): Rename missnamed pattern.
6554 (*_one_bit): Remove type on the match_operand in attributes.
6556 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
6558 * i386.c: Commit forgotten hunk in previous patch.
6559 (regclass_map): Add extended registers.
6560 (dbx_register_map): Add missing frame register.
6562 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
6564 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
6566 * i386.md (x86_sahf_1): Disable for 64bit.
6567 (popsi*, pophi*): Likewise.
6568 (pushqi, pushhi): Likewise.
6569 (movdi, pushdi): Likewise.
6570 (zero extend DImode splitter): Likewise.
6571 (adddi, minusdi splitter): Likewise.
6572 (umulsidi): Likewise.
6574 (mulsidi): Disable for 64bit
6575 (lshift:DI/ashift:DI): Disable for 64bit.
6576 (loop patterns): Likewise.
6577 (call_pop, call_value_pop expanders and patterns): Likewise.
6578 (prologue_get_pc): Likewise.
6580 (fcmovDI pattern and splitter): Likewise.
6581 (movdfcc_1_rex64): New.
6583 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
6585 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
6586 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
6587 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
6588 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
6589 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
6590 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
6591 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
6592 (PUSH_ROUNDING): x86_64 rounds to 64bits.
6593 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
6594 (REGPARM_MAX): Set to 6 for x86_64.
6595 (SSE_REGPARM_MAX): Set to 16 for x86_64.
6596 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
6599 * (patterns that does use upper halves): Update constraints
6600 'q' to 'Q' and 'r' to 'R'.
6601 (cmpqi_ext_1): Disable for 64bit.
6602 (cmpqi_ext_3_insn): Likewise.
6603 (movqi_extzv_1): Likewsie.
6604 (addqi_ext_1): Liekwsie
6605 (testqi_ext_1): Liekwsie
6606 (andqi_ext_1): Liekwsie
6607 (xorqi_ext_1): Liekwsie
6608 (cmpqi_ext_1_rex64): New.
6609 (cmpqi_ext_3_insn_rex64): Likewise.
6610 (movqi_extzv_1_rex64): Likewsie.
6611 (addqi_ext_1_rex64): Liekwsie
6612 (testqi_ext_1_rex64): Liekwsie
6613 (andqi_ext_1_rex64): Liekwsie
6614 (xorqi_ext_1_rex64): Liekwsie
6616 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6618 * configure.in: Move check for unsigned enumerated bitfields
6619 to macro in aclocal.m4. Disable it for now.
6620 * configure, config.in: Regenerate.
6621 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
6622 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
6623 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
6624 kind above its first use.
6626 * config/xm-interix.h, config/alpha/xm-alpha.h,
6627 config/i370/xm-linux.h, config/i386/xm-beos.h,
6628 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
6629 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6630 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
6631 Don't define ONLY_INT_FIELDS under any circumstances.
6633 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
6635 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6636 config/sparc/xm-sysv4.h: Delete - now identical with some
6638 * config.gcc (hppa targets): Replace xm-pahpux.h and
6639 xm-papro.h with implicit xm-pa.h.
6640 (sparc targets): Replace xm-sysv4.h with implicit or explicit
6643 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
6645 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
6646 before reload_cse_noop_set_p.
6648 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6650 * config.gcc: Where xm-host.h used to include another
6651 xm-host.h, list the nested header directly in xm_file. Remove
6652 references to deleted files. Can now use sparc/xm-sp64.h for
6655 * config/xm-linux.h, config/arm/xm-linux.h,
6656 config/i386/xm-dos.h, config/i386/xm-gnu.h,
6657 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
6658 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
6659 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
6660 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
6663 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
6664 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
6665 bother to wrap #undef in #ifdef.
6666 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
6667 Don't include xm-linux.h.
6668 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
6670 * configure.in: Wrap regexps using [] in changequote block.
6671 Use expr : not echo | grep. Simplify regexps.
6672 * configure: Regenerate.
6674 56 xm-files remain, 22 xm-arch.
6676 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6678 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
6679 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6680 (local_index, local_rindex): Delete, use strchr/strrchr instead.
6681 (copy_object): Fix format specifier vs argument mismatch.
6683 * mips-tdump.c: Make local functions static.
6684 (rindex): Don't #undef.
6685 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6686 (fatal, fancy_abort): Delete.
6687 (read_seek): Avoid signed/unsigned compare.
6689 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6691 * combine.c (try_combine): Fix error in change to try original
6693 (gen_rtx_combine): Do same as gen_rtx for now.
6695 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6697 * configure.in: AC_SUBST xm_defines.
6698 * configure: Regenerate.
6699 * Makefile.in: Set DEFINES=$(xm_defines) when building
6702 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
6704 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
6705 (cpp_included, find_include_file): Update.
6706 (_cpp_compare_file_date): Make else unconditional.
6708 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
6710 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
6712 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6714 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
6715 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
6717 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
6719 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
6720 if it's a record type.
6722 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
6724 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
6725 mingw includes slightly.
6727 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6729 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
6730 #undef token before poisoning it.
6732 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6734 * alpha.c (check_float_value): Use memcpy, not bcopy.
6736 * m32r.c (m32r_sched_reorder): Likewise.
6738 * vax.c (check_float_value): Likewise.
6740 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6742 * toplev.c (file_name_nondirectory): Remove.
6743 * toplev.h: Similarly.
6744 * dwarf2out.c (compute_section_prefix): Use lbasename instead
6745 of file_name_nondirectory.
6747 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6749 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
6750 * mips-tfile.c: Don't #undef rindex; not used.
6752 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
6754 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
6755 (dbx64_register_map): Declare.
6756 (RETURN_ADDR_RTX): Fix for 64bit.
6757 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
6758 (INCOMING_FRAME_SP_OFFSET): Set to 8.
6759 * i386.c (dbx64_register_map): New global array.
6760 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
6761 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
6764 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6766 * cppfiles.c (search_from): Use lbasename.
6767 * mkdeps.c (deps_add_default_target): Use lbasename.
6769 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6771 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
6772 xcalloc in lieu of malloc, realloc & calloc.
6774 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
6776 * gengenrtl.c (xmalloc): Likewise.
6778 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
6779 really_call_* memory allocation routines.
6781 * stmt.c (check_for_full_enumeration_handling): Use
6782 really_call_calloc, not calloc.
6784 * system.h (really_call_malloc, really_call_calloc,
6785 really_call_realloc): Define.
6786 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
6788 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
6790 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
6792 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
6794 * configure: Rebuilt.
6795 * configure.in: Only use `lang_requires' for languages athat are
6798 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
6800 * invoke.texi: Fix typo.
6801 * gcc.1: Regenerate.
6803 2001-03-09 Zack Weinberg <zackw@stanford.edu>
6805 * configure.in: Prune nonexistent files from build_xm_file,
6806 xm_file, and host_xm_file lists. Warn unless they're
6808 Don't generate *config.h here.
6809 AC_SUBST all variables needed to generate *config.h.
6810 * configure: Regenerate.
6811 * mkconfig.sh: New helper script, from code removed from
6813 * Makefile.in: Zap all MALLOC variables - no longer used
6814 anywhere, and malloc.c doesn't exist.
6815 Substitute in variables needed to generate *config.h.
6816 Stop lying about the dependencies contained in CONFIG_H and
6818 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
6819 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
6820 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
6821 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
6822 $(TM_P_H), etc. as appropriate.
6824 * config.gcc: Zap references to deleted files.
6825 * ggc-none.c: Don't include rtl.h or tm_p.h.
6827 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
6828 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
6829 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
6830 config/i386/xm-linux.h, config/i386/xm-linux.h,
6831 config/i386/xm-next.h, config/i386/xm-openbsd.h,
6832 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
6833 Don't include i386/xm-i386.h.
6835 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
6836 config/i386/xm-i386.h, config/i860/xm-i860.h,
6837 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
6838 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6839 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
6840 Delete (empty except comments, #includes of other deleted
6841 files, and macros used nowhere).
6843 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
6845 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
6846 independent on TARGET_FLAGS.
6848 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
6850 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
6852 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
6854 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
6856 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
6857 LAST_REX_SSE_REG): define.
6858 (enum reg_class): Add 'LEGACY_REGS'
6859 (REG_CLASS_CONTENTS): Likewise; add extended registers.
6860 (SSE_REGNO_P): Recognize extended registers.
6861 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
6862 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
6863 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
6864 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
6865 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
6866 REG_OK_FOR_STRREG_P): Remove.
6867 (HI_REGISTER_NAMES): Add extended registers.
6868 (ADDITIONAL_REGISTER_NAMES): Likewise.
6869 (QI_REGISTER_NAMES): Add 8bit extended registers.
6870 (DEBUG_REG): Support extended registers.
6871 * i386.c (regclass_map): Add extended registers.
6872 (dbx_register-map): Likewise.
6873 (svr4_dbx_register_map): Likewise.
6874 (print_reg): Support extended registers.
6875 (print_operand): Support 64bit operands.
6877 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
6879 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
6880 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6881 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
6882 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
6883 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
6884 STACK_BOUNDARY): Set properly for 64bits.
6885 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
6886 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
6887 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
6888 (MOVE_MAX): Set to 16.
6889 (MOVE_MAX_PIECES): 8 for 64bit.
6890 (Pmode): Set to SImode.
6892 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
6894 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
6896 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
6898 * i386.h (mask_64bit): New constant.
6899 (target_64bit): New macro.
6900 (target_options): Add '64'/'32'
6901 (target_default): Define.
6902 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
6903 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
6904 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
6906 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
6908 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
6910 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
6912 * rtlanal.c (rtx_varies_p): Check operand 0 of a
6913 LO_SUM unless for_alias is set.
6915 2001-03-08 Stan Shebs <shebs@apple.com>
6917 * objc/objc-act.c: Fix old typos in comments, add comments for
6919 (hash_init): Fix file name in error message.
6920 (hash_enter): Ditto.
6921 (hash_add_attr): Ditto.
6922 (continue_class): Ditto.
6924 2001-03-08 Bruce Korb <bkorb@gnu.org>
6926 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
6927 wait4() can receive the signal.
6929 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6931 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
6933 * fixinc/fixincl.x: Regenerate.
6935 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6937 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
6939 * fixinc/fixincl.x: Regenerate.
6941 2001-03-08 Richard Henderson <rth@redhat.com>
6943 * configure.in (HAVE_AS_LEB128): New assembler check.
6944 * configure, config.in: Rebuilt.
6946 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
6948 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
6951 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6953 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
6954 references to the MAXPATHLEN macro.
6956 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
6957 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
6960 * config/i386/xm-gnu.h, config/xm-gnu.h,
6961 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
6962 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
6963 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
6964 and/or unused files.
6966 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
6967 doing so in various xm-*.h files.
6969 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6971 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
6973 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
6975 * configure.in (enable_shared): Support per-package shared-library
6977 * configure: Rebuilt.
6979 2001-03-07 David Edelsohn <edelsohn@gnu.org>
6981 * rs6000.md (cr logic): Add original POWER mnemonic alternative
6982 for crnot. Set operands[5] in splitter.
6984 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6986 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
6987 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
6988 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
6989 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
6990 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
6991 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
6992 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
6995 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
6996 config/i370/xm-i370.h, config/i386/xm-dgux.h,
6997 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6998 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6999 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
7000 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
7001 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
7002 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
7003 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
7004 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
7005 Delete unused and/or empty files.
7007 * config.gcc: Define USG in xm_defines as appropriate. Define
7008 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
7009 macro. Remove deleted xm-* files from $xm_files variable.
7011 2001-03-07 Tom Tromey <tromey@redhat.com>
7013 * configure: Rebuilt.
7014 * configure.in: Allow config-lang.in to set `lang_requires' to list
7015 of other required languages.
7017 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
7019 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
7021 (output_prologue): Use xmalloc not oballoc.
7022 (output_epilog): Free a29k_first_epilogue_insn when finished.
7023 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
7025 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
7027 * builtins.c (expand_builtin_mathfn): Check
7028 flag_unsafe_math_optimizations, not flag_fast_math.
7029 (expand_builtin): Likewise
7030 * combine.c (combine_simplify_rtx): Likewise.
7031 (simplify_if_then_else): Likewise.
7032 * cse.c (fold_rtx): Likewise.
7033 * flags.h: Remove flag_fast_math. Add
7034 flag_unsafe_math_optimizations and flag_trapping_math.
7035 * fold-const.c (negate_expr): Check
7036 flag_unsafe_math_optimizations, not flag_fast_math.
7037 (invert_truthvalue): Likewise.
7038 (fold): Likewise. Before associating operands, check that
7039 code == MULT_EXPR, not code != MULT_EXPR.
7040 * ifcvt.c (noce_try_minmax): Check
7041 flag_unsafe_math_optimizations, not flag_fast_math.
7042 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
7043 * invoke.texi: Document -funsafe-math-optimizations and
7044 -fno-trapping-math. Change documentation for -ffast-math.
7045 * jump.c (reversed_comparison_code_parts): Likewise.
7046 (rtx_equal_for_thread_p): Likewise.
7047 * optabs.c (emit_conditional_move): Likewise.
7048 * simplify-rtx.c (simplify_binary_operation): Likewise.
7049 (simplify_relational_operation): Likewise.
7050 (simplify_ternary_operation): Likewise.
7051 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
7052 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
7053 Add trapping-math and unsafe-math-optimizations entries to f_options.
7054 (set_fast_math_flags): New, sets flags for -ffast-math.
7055 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
7056 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
7057 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
7059 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
7060 (alpha_emit_conditional_move): Initialize local_fast_math to
7061 flag_unsafe_math_optimizations, not flat_fast_math.
7062 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
7063 instead of setting flag_fast_math to 1.
7064 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
7066 * config/i386/i386.c (override_options): Likewise
7067 * config/i386/i386.md: Likewise.
7068 * config/m68k/m68k.md: Likewise.
7069 * config/mips/mips.md: Likewise.
7070 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
7071 (rs6000_generate_compare): Likewise.
7073 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7075 * Makefile.in: Set RANLIB to @RANLIB@.
7078 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7080 * fixinc/inclhack.def (djgpp_wchar_h): New test.
7081 * fixinc/fixincl.x: Regenerated.
7083 2001-03-07 Richard Henderson <rth@redhat.com>
7085 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
7087 2001-03-07 Richard Henderson <rth@redhat.com>
7089 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
7090 of block notes and exception handling notes.
7092 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
7093 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
7094 (compile_file): ... here.
7096 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7098 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
7100 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
7101 config.h now. Include libiberty.h to handle alloca.
7103 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7105 * c-parse.in (yylexname): New function, split out of _yylex.
7106 (objc_rid_sans_at): New table.
7107 (init_reswords): Initialize it.
7108 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
7109 retrieving the next token and checking it for significance as
7110 an ObjC keyword or string constant.
7112 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
7113 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
7115 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
7118 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
7120 * config/m68k/m68k.c (const_uint32_operand): Accept any
7121 const_int on a 32-bit host.
7123 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
7125 * objc/objc-act.c (init_objc): Set save_lang_status,
7126 restore_lang_status, and mark_lang_status.
7128 2001-03-06 Krister Walfridsson <cato@df.lth.se>
7130 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
7132 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
7134 * cppinternals.texi: Update.
7136 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7138 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7139 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
7140 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
7141 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7142 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
7143 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7144 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
7145 config/i386/xm-i386.h, config/i860/xm-i860.h,
7146 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7147 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
7148 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7149 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7150 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7151 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7152 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
7153 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7154 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
7155 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7156 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7157 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
7158 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
7159 match the defaults provided in hwint.h.
7161 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7162 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
7164 * config.gcc (xm_file): Don't set to files which are deleted.
7166 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
7167 guard this file against these macros being undefined.
7169 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7171 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
7172 and DECL_DEFER_OUTPUT on the decl we create, before calling
7173 rest_of_decl_compilation.
7175 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7177 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
7179 * configure, config.in: Regenerate.
7180 * config.gcc: Remove references to deleted files.
7182 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
7183 genrecog.c, rtl.c: Do not use alloca anywhere.
7185 * Makefile.in, build-make, system.h, config/x-interix,
7186 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
7187 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
7188 config/arc/xm-arc.h, config/arm/xm-arm.h,
7189 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7190 config/h8300/xm-h8300.h, config/i370/x-oe,
7191 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
7192 config/i386/x-ncr3000, config/i386/x-sco5,
7193 config/i386/xm-dgux.h, config/i860/x-sysv4,
7194 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
7195 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
7196 config/m68k/x-hp320g, config/m69k/x-mot3300,
7197 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
7198 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
7199 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
7200 config/m88k/x-sysv4, config/m88k/x-tekXD88,
7201 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7202 config/mips/x-iris, config/mips/x-iris3,
7203 config/mips/x-sni-svr4, config/mips/x-sysv,
7204 config/mips/xm-iris6.h, config/mips/xm-mips.h,
7205 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
7206 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
7207 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7208 config/pa/xm-papro.h, config/romp/xm-romp.h,
7209 config/rs6000/x-aix31, config/rs6000/x-aix41,
7210 config/rs6000/x-beos, config/rs6000/x-lynx,
7211 config/rs6000/x-mach, config/rs6000/x-rs6000,
7212 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
7213 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7214 config/sparc/x-sysv4, config/sparc/xm-linux.h,
7215 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
7216 config/vax/xm-vms.h: Eradicate all references to alloca and
7219 * config/xm-alloca.h, config/clipper/x-clix,
7220 config/i386/xm-sysv4.h, config/i860/x-fx2800,
7221 config/i860/x-sysv3, config/m88k/x-sysv3,
7222 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
7223 (contained only alloca related hacks).
7225 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
7228 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
7230 * invoke.texi: Document __FAST_MATH__.
7232 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7234 * crtstuff.c: Restore include of auto-host.h.
7236 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
7238 Put main() in a separate file, so that the language
7239 front-end can use a different main().
7242 * toplev.c: (main): Rename as toplev_main.
7243 * toplev.h: Declare toplev_main.
7244 * Makefile.in (OBJS): add toplev.o.
7245 (BACKEND): remove toplev.o, add main.o.
7247 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7249 * cppfiles.c (search_from): Special case the empty string.
7251 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7253 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
7254 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
7255 strlen or strcpy; we already know the length.
7256 (_cpp_compare_file_date): Similarly.
7257 * cpphash.h (struct cpp_reader): Delete done_initialising.
7258 (CPP_PREV_BUFFER): Delete.
7259 * cppinit.c (cpp_start_read): Don't set done_initialising.
7260 * cpplex.c (parse_string): Guarantee null-termination.
7261 (_cpp_equiv_toklists): Remove.
7262 * cpplib.c (glue_header_name): Null-terminate.
7263 (do_line): Don't leak memory.
7264 * cpplib.h (BT_WEAK): Delete.
7265 * cppmain.c (cb_ident): Strings are now null-terminated.
7267 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
7269 * gcc.c (convert_filename): Append executable suffix
7270 if NO_AUTO_EXE_SUFFIX is not defined.
7271 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
7272 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
7274 2001-03-03 David O'Brien <obrien@FreeBSD.org>
7276 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7277 * c-parse.gperf, c-gperf.h: Delete.
7278 (c-gperf.h was accidently re-added to the CVS repo in the rev
7279 1.16 commit by tromey)
7281 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7283 * cpplex.c (_cpp_lex_token): Don't warn about directives in
7284 macro arguments when looking for the '('.
7285 * cppmacro.c (funlike_invocation_p): Set parsing_args to
7286 2 when really parsing arguments; 1 when looking for '('.
7287 Always restore the lexer position.
7289 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7291 * longlong.h (umul_ppmm): Don't use a multiline string.
7293 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
7295 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
7296 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
7297 t_bool in declaration because pcc can't combine volatile with typedef
7300 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
7302 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
7303 until when it is really needed.
7304 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
7305 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
7306 * i386.md (float?i?f splitter): Don't force source operand to memory
7308 (sse_movdfcc): Fix constraint.
7309 (sse_movdfcc splitter): Handle properly the second alternative.
7311 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7313 * cpplex.c (parse_string): Unconditionally pedwarn.
7315 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7318 * cppexp.c (parse_number): Update.
7319 * cpplex.c (parse_string): Pedwarn if multiline string does not
7320 result from a system header's macro.
7321 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
7322 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
7323 for function-like macros too.
7324 * c-lex.c (lex_number): Update.
7326 2001-03-03 Richard Henderson <rth@redhat.com>
7328 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
7330 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
7332 * combine.c (try_combine): If split with mode-changed scratch
7333 register didn't work, try the original mode.
7335 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
7337 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
7338 * config/c4x/c4x.h: Likewise.
7339 * stor-layout.c (compute_record_mode): Likewise.
7340 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
7342 2001-03-02 Zack Weinberg <zackw@stanford.edu>
7344 * configure.in: Kill tm.h. Include the files in the $tm_file
7345 list in all three of config.h, hconfig.h, tconfig.h, after the
7346 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
7347 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
7348 * configure: Regenerate.
7349 * Makefile.in (clean): Don't delete tm.h.
7351 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
7352 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
7353 those are not defined, set SEC and FEC to 0 and 1.
7354 * gcc.texi: Update to match.
7356 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
7357 * config/fp-bit.c, config/m68k/aux-crt2.asm,
7358 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
7359 Include tconfig.h, not tm.h.
7361 * config/xm-lynx.h, config/xm-std32.h,
7362 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7363 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
7364 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
7365 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7366 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7367 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7368 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
7369 config/i386/xm-i386.h, config/i860/xm-i860.h,
7370 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7371 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
7372 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7373 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7374 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7375 config/pa/xm-linux.h, config/pa/xm-pa.h,
7376 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7377 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
7378 config/pj/xm-pj.h, config/romp/xm-romp.h,
7379 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7380 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7381 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7382 config/v850/xm-v850.h, config/vax/xm-vax.h,
7383 config/we32k/xm-we32k.h:
7385 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
7387 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
7388 config/i370/xm-oe.h: Don't include tm.h. Don't define
7390 * config/vax/xm-vms.h: Don't include tm.h.
7392 * config/xm-lynx.h, config/avr/xm-avr.h,
7393 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
7394 Delete; made empty by above changes.
7395 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7396 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
7397 Don't include config/xm-lynx.h or tm.h.
7399 * config/xm-gnu.h: Don't include fcntl.h.
7400 * config/sparc/xm-lynx.h: Don't include sys/types.h and
7402 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
7404 2001-03-02 Richard Henderson <rth@redhat.com>
7406 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
7407 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
7409 2001-03-02 Richard Henderson <rth@redhat.com>
7411 * Makefile.in (OBJS): Add dwarf2asm.o.
7412 * dwarf2asm.c, dwarf2asm.h: New files.
7413 * dwarf2out.c (*): Use them.
7414 (size_of_uleb128, size_of_sleb128): Remove.
7415 (output_uleb128, output_sleb128): Remove.
7416 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
7417 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
7418 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
7419 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
7420 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
7421 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
7422 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
7423 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
7424 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
7425 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7426 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
7427 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
7428 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
7429 (dwarf2out_frame_debug): Remove unused variables.
7430 (output_loc_operands): Don't abort on 8 byte constants if
7431 host integers are wide enough.
7432 (output_symbolic_ref): Remove.
7433 (size_of_die): Don't assume 4 byte host integers.
7434 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
7436 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
7437 something stupid with HOST_WIDE_INT to long truncation.
7438 [CONST_DOUBLE]: Likewise.
7440 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
7441 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7442 * config/arm/unknown-elf.h: Likewise.
7443 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
7444 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
7445 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
7446 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
7447 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
7448 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
7449 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
7450 (ASM_OUTPUT_DWARF_OFFSET): Remove.
7451 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
7452 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
7453 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
7454 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
7456 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7458 * cselib.c (hash_rtx): Cast enums to unsigned int.
7460 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7462 * print-rtl.c (print_rtx): Cast enums to int for comparison.
7463 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
7465 * c-format.c (C_STD_VER): Cast to int for comparisons.
7466 (check_function_format): Cast various enums to int for &.
7467 (maybe_read_dollar_number): Likewise.
7468 (check_format_info): Likewise.
7469 (check_format_info_main): Likewise.
7470 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
7471 (safe_from_p): Likewise.
7472 * varasm.c (const_hash): Cast enum to int for %.
7473 * emit-rtl.c (init_emit_once): Use int loop variable to work around
7474 pcc enum problems with < and ++ operators.
7475 * regclass.c (init_reg_sets_1): Cast enums for comparison.
7476 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
7477 (regclass_init): Change enum class to int to iterate over reg_classes.
7478 * genrecog.c (merge_trees): Cast enums for comparison.
7479 * rtl.h (GET_CODE): Cast to enum rtx_code.
7480 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
7481 (GET_MODE): Cast to enum machine_mode.
7482 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
7483 (GET_NOTE_INSN_NAME): Cast enum to int.
7484 * tree.h (TREE_CODE): Cast to enum tree_code.
7485 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
7486 * timevar.c (timevar_print): Change loop variable id from enum to
7488 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
7489 * config/i386/i386.md: Use PUT_MODE for mode assignment.
7490 * toplev.c (compile_file): Cast enum DFI to int.
7491 (decode_d_option): Likewise.
7493 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
7495 * cppinit.c (append_include_chain): Mark "after" include file name list
7496 as a system directory.
7497 * cpp.texi: Document new behavior.
7499 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
7501 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
7503 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
7505 * cppfiles.c (struct include_file): Update.
7506 (stack_include_file): Use search_from.
7507 (cpp_included, find_include_file): Update.
7508 (cpp_execute_include): Update. ptr->name may not be
7509 null terminated. Use the new search_from member variable
7511 (_cpp_compare_file_date): Similarly.
7512 (search_from): New function, similiar to actual_directory.
7513 (actual_directory): Delete.
7514 (remap_filename): Update. loc->name may not be null terminated.
7515 (struct file_name_list): Rename search_path. Update.
7516 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
7517 search_from and dir.
7518 (struct cpp_reader): Remove actual_dirs.
7519 * cppinit.c (struct cpp_pending): Update for renamed objects.
7520 (append_include_chain, remove_dup_dir, remove_dup_dirs,
7521 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
7522 * cpplib.h (struct cpp_options): Similarly.
7524 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7526 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
7527 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
7528 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7529 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7530 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7531 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7532 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7533 config/i370/xm-linux.h, config/i370/xm-mvs.h,
7534 config/i370/xm-oe.h, config/i386/xm-aix.h,
7535 config/i386/xm-i386.h, config/i386/xm-osf.h,
7536 config/i860/xm-i860.h, config/i960/xm-i960.h,
7537 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7538 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
7539 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
7540 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
7541 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
7542 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7543 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7544 config/pj/xm-pj.h, config/romp/xm-romp.h,
7545 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7546 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7547 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7548 config/v850/xm-v850.h, config/vax/xm-vax.h,
7549 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
7550 Do not define TRUE or FALSE.
7552 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
7553 empty by above change.
7554 * config.gcc: Remove references to these files.
7556 * configure.in: Detect stdbool.h.
7557 * configure, config.in: Regenerate.
7558 * system.h: Include stddef.h here if available.
7559 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
7560 Then set up a sensible boolean type at the very end.
7562 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
7563 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
7565 * hash.h: Delete 'boolean' typedef and related #undefs.
7567 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
7568 all uses of 'boolean' with 'bool'.
7570 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7572 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
7573 * cppexp.c (lex): Cast enums for comparison.
7574 * cppinit.c (parse_option): Cast enum for comparison.
7575 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
7576 (cpp_output_token): Likewise.
7577 (cpp_can_paste): Cast enums for comparsion and plus/minus.
7578 (cpp_avoid_paste): Cast enums for minus and comparison.
7580 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7582 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
7583 field to all array elements.
7585 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7587 * cpphash.h (struct cpp_reader): Add print_version field.
7588 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
7589 just set print_version and other flags as appropriate.
7590 (cpp_post_options): Print version here if print_version is set.
7592 * toplev.c (exit_after_options): New flag.
7593 (independent_decode_option): Don't exit here; just set
7595 (main): Exit after calling lang_hooks.post_options if
7596 exit_after_options is true.
7598 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
7599 (merge_include_chains): Adjust comment to match code.
7601 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7603 * stringpool.c (set_identifier): New function.
7604 * tree.h: Prototype it.
7606 * c-parse.in: Kill D_YES. If compiled for objc, call
7607 save_and_forget_protocol_qualifiers from init_reswords.
7608 * objc/objc-act.c (remember_protocol_qualifiers,
7609 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
7610 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
7612 (save_and_forget_protocol_qualifiers): New function.
7613 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
7615 2001-03-01 Diego Novillo <dnovillo@redhat.com>
7617 * c-semantics.c (prune_unused_decls): Return error_mark_node
7618 instead of (tree) 1 to stop traversing the tree chain.
7620 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7622 Fix a problem introduced by Kenner's Feb 18 change.
7623 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
7624 flag_cse_skip_blocks only temporarily, not for ever.
7626 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
7628 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
7629 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
7631 * pa.c (emit_move_sequence): Verify operand0 is a hard register
7632 before determining its register class.
7634 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7636 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
7637 from reg 4 if current_function_calls_setjmp.
7638 (gen_nop_type): New function.
7639 (ia64_emit_nops): New function.
7640 (ia64_reorg): Call it.
7641 (ia64_sched_reorder): Move code that rotates bundles up a bit.
7643 * reload1.c (eliminate_regs_in_insn): Restrict the special case
7644 code not to try to optimize adds with anything but a REG destination.
7646 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
7647 (INSN_PRIORITY_KNOWN): New accessor macro.
7648 * haifa-sched.c (priority): Use it instead of testing priority against
7651 2001-02-28 DJ Delorie <dj@redhat.com>
7653 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
7654 since that doesn't work the way gcc wants on a generic m68k.
7656 2001-02-28 Richard Henderson <rth@redhat.com>
7658 * caller-save.c (save_call_clobbered_regs): Fix typo in
7659 comparison last change.
7661 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
7663 * i386.c (pentium4_cost): New.
7664 (m_PENT4): New macro.
7665 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
7666 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
7667 x86_integer_DFmode_moves, x86_partial_reg_dependency,
7668 x86_memory_mismatch_stall): Add Pentium4
7669 (x86_use_q_reg, x86_use_any_reg): Kill.
7670 (override_options): Add pentium4.
7671 (incdec_operand): Return 0 for pentium4.
7672 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
7673 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
7674 (TARGET_PENTIUM4): Define.
7675 (enum processor_type): Add PROCESSOR_PENTIUM4.
7676 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
7677 * i386.md (attribute "cpu"): Add pentium4.
7678 * invoke.texi (march): Add pentium4.
7680 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
7682 * i386.md (sse_mov?fcc*): New patterns and splitters.
7683 * i386.c (ix86_expand_movcc): Work post-reload; recognize
7684 the SSE based conditional moves.
7686 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
7688 * i386.md (attribute mode): Add "TI".
7689 (movsf_1): Add pxor support; remove constant propagation splitter.
7690 (movdf_integer): Likewise.
7691 (movdf_nointeger): Likewise.
7692 (movxf constant prop splitter): Handle all modes; update for SSE.
7693 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
7694 * i386.c (standard_80387_constant_p): Rewrite.
7695 (standard_sse_constant_p): New.
7696 * i386-protos.h (standard_sse_constant_p): New.
7698 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
7700 * i386.md (sse_setccsf, sse_setccdf): New.
7701 (sse_cmp* patterns): Use '%D' instead of outputtting condition
7703 * i386.c (sse_comparison_operator): Accept the supported unordered
7704 comparses; be ready for fast_math.
7705 (print_operand): Support 'D'.
7707 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
7709 * jump.c (reversed_comparison_code): Kill.
7711 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
7713 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
7716 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
7718 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
7719 add missing '%' in constraints.
7721 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
7723 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
7724 for HOST_BITS_PER_WIDE_INT == 32 too.
7726 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
7728 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
7730 (insert_save, insert_restore): New parameter save_mode.
7731 (init_caller_save): Update initialization of reg_save_code
7732 and reg_restore_code.
7733 (save_call_clobbered_regs): Compute save_modes and update calls to
7734 reg_save_code and reg_restore_code.
7735 (insert_restore): Unsignetize numbers; use save_modes to choose mode
7736 of spill; update use of reg_restore_code.
7737 (insert_save): Likewise.
7738 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7739 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7740 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
7742 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7744 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
7745 noce_try_store_flag_inc, noce_try_store_flag_mask,
7746 noce_try_cmove_arith):
7747 Use reversed_comparison_code instead of reverse_comparison and
7748 can_reverse_comparison_p.
7750 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
7752 * jump.c (reversed_comparison_code_parts): Allow reversal of
7753 unordered compares in -ffast-math mode; reverse ordered compares
7754 for FP even w/o -ffast-math.
7756 2001-02-27 Richard Henderson <rth@redhat.com>
7758 * print-rtl.c (print_rtx) [i]: Don't print field five on
7759 NOTEs other than NOTE_INSN_DELETED_LABEL.
7761 2001-02-27 Zack Weinberg <zackw@stanford.edu>
7763 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
7764 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
7766 2001-02-27 Diego Novillo <dnovillo@redhat.com>
7768 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
7769 even if walk_subtrees is 0.
7770 * c-semantics.c (prune_unused_decls): Return a non-null value to
7771 stop traversing the tree chain.
7773 2001-02-27 DJ Delorie <dj@redhat.com>
7775 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
7776 register, *then* define it as the new CFA.
7778 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
7780 * pa.c (override_options): Promote -fpic to -fPIC.
7781 (legitimize_pic_address): Simplify due to removal of
7782 small PIC as a code generation option.
7783 (secondary_reload_class): Similarly.
7784 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
7785 (PRINT_OPERAND_ADDRESS): Similarly.
7786 * pa.md (various patterns): Similarly.
7787 (small pic lo_sum pattern): Remove.
7789 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
7792 * md.texi (min, max): Document
7794 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
7796 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
7797 TARGET_PARTIAL_REG_DEPENDENCY.
7798 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
7800 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
7802 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
7804 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
7806 * mips.c (mips_make_temp_file): Fix thinko in last change.
7808 2001-02-26 Jason Eckhardt <jle@redhat.com>
7810 * combine.c (known_cond): Do not reverse the condition when
7811 SMAX/UMAX is being considered and the condition is for equality
7814 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
7816 2001-02-26 Philip Blundell <philb@gnu.org>
7818 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
7820 * config/arm/linux-elf.h: Remove historical relics related to
7821 above configurations.
7822 * config/arm/linux-oldld.h: Delete.
7823 * config/arm/linux-elf26.h: Delete.
7825 2001-02-26 Jason Merrill <jason@redhat.com>
7827 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
7829 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
7830 recognize a tentative definition. Lose obsolete code.
7832 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
7833 variables unless necessary, either.
7835 2001-02-25 Richard Henderson <rth@redhat.com>
7837 * ifcvt.c (struct noce_if_info): Add test_bb.
7838 (noce_get_alt_condition): New.
7839 (noce_try_minmax, noce_try_abs): New.
7840 (noce_operand_ok): New.
7841 (noce_process_if_block): Use them.
7842 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
7844 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
7846 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
7849 2001-02-25 Zack Weinberg <zackw@stanford.edu>
7851 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
7852 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
7854 (mips_asm_file_end): Free temp_filename here.
7856 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7858 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
7859 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
7861 * config/i386/i386.md (movstrsi): Handle FAIL case.
7863 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
7865 * cppinit.c (builtin_array): Update.
7866 (init_builtins): Flag builtins to warn if redefined or
7867 undefined. Define __GXX_WEAK as a normal macro.
7868 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
7869 * cpplib.h (NODE_WARN): New flag.
7870 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
7871 Handle __STDC__ as a builtin only on Solaris.
7872 (warn_of_redefinition): Renamed from check_macro_definition.
7873 Reverse sense of test. Always warn if NODE_WARN.
7874 (_cpp_create_definition): Use warn_of_redefinition. Flag
7875 any macro beginning with "__STDC_" to require a mandatory
7876 warning if redefined or undefined.
7878 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7880 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
7881 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
7882 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
7883 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
7884 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
7885 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
7886 Don't define any of:
7887 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
7888 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
7889 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
7890 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
7891 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
7893 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
7894 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
7897 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
7898 Delete now-empty file.
7900 * alpha/vms.h: Define NEED_ATEXIT here...
7901 * alpha/xm-vms.h: ...not here.
7903 * i386/cygwin.h: Don't define PARAMS.
7904 * mips/mips.c: Don't prototype mktemp. Don't define
7905 P_tmpdir. Use make_temp_file to create temporary files.
7906 Don't be clever and delete temporary files early.
7907 * config.gcc: Drop references to deleted files. Don't define
7909 * gcc.texi: Don't mention USE_PROTOTYPES.
7911 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7913 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
7914 (ix86_set_move_mem_attrs_1): Likewise.
7915 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
7916 * config/i386/i386.md (movstrsi): Call it.
7918 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7920 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
7921 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
7922 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
7923 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
7925 (i750a-*-*): Error here if hosting on i750a.
7926 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
7928 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
7929 Remove (empty modulo comments).
7931 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
7932 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
7933 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
7934 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
7935 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
7936 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
7938 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
7939 Remove reference to winnt.h in comment.
7940 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
7942 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7944 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
7945 used to set another biv.
7947 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7949 * tree.h (BLOCK_DEAD): New macro.
7950 (struct tree_block): New flag, dead_flag.
7951 * print-tree.c (print_node, case 'b'): Print missing fields.
7952 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
7953 * function.c (identify_blocks): Enable test for misplaced notes.
7954 (all_blocks): Skip BLOCK_DEAD blocks.
7955 * integrate.c (integrate_decl_tree): Likewise.
7957 * errors.c (internal_error, trim_filename): New functions.
7958 (fancy_abort): Call internal_error.
7959 * errors.h (internal_error, trim_filename): New declarations.
7961 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
7963 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
7965 (EXTRA_CONSTRAINT): Formatting changes.
7967 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7969 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
7971 2001-02-23 Per Bothner <per@bothner.com>
7973 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
7974 so they can be called from java/jvspec.c.
7975 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
7977 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
7979 * i386.c (ix86_frame): New structure.
7980 (ix86_compute_frame_size): Kill.
7981 (ix86_compute_frame_layout): New.
7982 (ix86_save_reg): New.
7983 (ix86_can_use_return_insn_p): Use frame layout stuff.
7984 (ix86_expand_prologue): Likewise.
7985 (ix86_expand_epilogue): Likewise.
7986 (ix86_initial_elimination_offset): Likewise.
7987 (ix86_nsaved_regs): Use ix86_save_reg.
7988 (ix86_emit_save_regs): Likewise.
7990 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
7992 * flow.c (find_sub_basic_blocks): New function.
7993 (split_block): Be ready for basic block introduced by CODE_LABEL.
7994 (commit_one_edge_insertion): Call find_sub_basic_block.
7996 * flow.c (make_edges): Add edge from entry for blocks starting with
7997 label having ALTERNATE_NAME
7999 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
8001 * function.c (epilogue_done): Be ready for first basic block not
8002 containing PROLOGUE_END note.
8003 (reposition_prologue_and_epilogue_notes): Avoid placing
8004 PROLOGUE_END note between BASIC_BLOCK.
8006 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
8008 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
8010 2001-02-21 DJ Delorie <dj@redhat.com>
8012 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
8013 check for current_function_has_nonlocal_goto from 1999-11-12.
8015 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8017 * diagnostic.c (trim_filename): No longer static.
8018 * toplev.h (trim_filename): Declare.
8019 * rtl.c (rtl_check_failed_bounds): Call internal_error.
8020 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
8021 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
8022 (rtvec_check_failed_bounds): Likewise.
8023 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
8025 * convert.c (convert_to_integer): Don't do unsigned unless result or
8026 both inputs are unsigned.
8028 * fold-const.c (fold_convert): Don't call size_int_type_wide if
8031 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
8033 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
8035 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
8037 * Makefile.in (resource.o): Add params.h dependence.
8038 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
8039 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
8040 * resource.c: Add dependence on params.h.
8041 (current_live_regs): Fix explanatory comment.
8042 (find_basic_block): Add new parameter to permit limiting search
8044 (mark_target_live_regs): Add new argument to find_basic_block call.
8045 (incr_ticks_for_insn): Likewise.
8047 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8049 * diagnostic.c (output_to_stream): Rename to
8050 output_buffer_to_stream. Loses the stream parameter.
8051 (init_output_buffer): Set diagnosic_buffer's stream.
8052 (flush_diagnostic_buffer): Adjust.
8053 (default_print_error_function): Likewise.
8054 (finish_diagnostic): Likewise.
8055 (verbatim): Likewise.
8057 * diagnostic.h (struct output_buffer): Add `stream' field.
8058 (output_buffer_attached_stream): New macro.
8060 2001-02-23 Jakub Jelinek <jakub@redhat.com>
8062 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
8063 check if either operand is divisible by C.
8064 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
8065 If type is signed, consider negative numbers as well.
8067 2001-02-22 Richard Henderson <rth@redhat.com>
8069 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
8070 reach .text instead of gp-relative relocs.
8071 * config/ia64/crtend.asm (.init): Likewise.
8073 2001-02-22 Andreas Jaeger <aj@suse.de>
8075 * extend.texi (C++ Attributes): Fix typo.
8077 2001-02-21 David Mosberger <davidm@hpl.hp.com>
8079 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
8080 functions, drop current_function_args_info.words test.
8081 (ia64_compute_frame_size): Mark syscall_linkage functions as
8082 using eight input registers.
8084 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
8085 Bruce Korb <bkorb@gnu.org>
8087 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
8088 * fixinc/README: Document how to convert sed substitutions
8089 to format style c_fix-es.
8090 * fixinc/fixincl.x: regen
8092 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
8094 * gcc.c: Add comment explaining how to add a command-line option.
8095 Add title to specs language comment.
8097 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8099 * gcc.c (cc1_options): Add "-param".
8100 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
8101 (option_map): Likewise.
8102 * toplev.c (display_help): Add entry for "--param".
8103 (independent_decode_option): Fix typographical error.
8105 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
8106 Bernd Schmidt <bernds@redhat.com>
8107 Jan Hubicka <jh@suse.cz>
8109 * i386.c (function_arg_advance): Pass SSE arguments in registers.
8110 (function_arg): Likewise.
8112 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
8114 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
8116 2001-02-21 Kazu Hirata <kazu@hxi.com>
8118 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
8122 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
8124 * flow.c (init_propagate_block_info): Canon address and use single_set
8125 for killing dead memory stores.
8127 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8129 * Makefile.in (reorg.o): Add params.h dependence.
8130 * params.def: Fix typographical error in comment.
8131 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8132 * params.h: Modify introductory comment.
8133 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8134 * reorg.c: Add dependence on params.h.
8135 (redundant_insn): Add parameterized throttle for search.
8136 (fill_simple_delay_slots): Add a comment explaining a variable.
8137 Move conditional out of loop, simplifying code.
8138 (fill_eager_delay_slots): Fix typographical error in comment.
8140 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
8142 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
8144 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
8145 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
8147 2001-02-21 Jason Merrill <jason@redhat.com>
8149 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
8150 (struct tree_decl): Add uninlinable bitfield.
8151 * c-decl.c (duplicate_decls): Set it.
8152 * integrate.c (function_cannot_inline_p): Check it.
8154 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
8155 DW_AT_MIPS_linkage_name to abstract methods.
8156 (dwarf2out_abstract_function): Emit class context before calling
8157 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
8158 (gen_subprogram_die): Remove obsolete code.
8159 (gen_member_die): Don't include clones in the member list.
8160 (gen_decl_die): Emit abstract info for clone origin.
8161 * dwarfout.c (output_type): Don't include clones in the member list.
8162 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
8163 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
8164 DECL_ABSTRACT on a function that already has it set.
8166 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
8167 (get_subprogram_die): Pass it in.
8169 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
8171 * flow.c (mark_set_1): Make not_dead unsigned long. For
8172 non-pseudos, use it as a bitmask of the hard regs that
8175 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
8177 * cppfiles.c: Update comments.
8178 (_cpp_read_file): Don't check for NULL filenames any more.
8179 * cppinit.c (cpp_start_read): Don't do canonicalization of
8180 in_fname and out_fname. Use the passed file name exclusively.
8181 (_cpp_handle_options): Don't treat "-" as a command line option,
8182 but as a normal filename.
8183 (_cpp_post_options): Canonicalize in_fname and out_fname.
8184 * cppmain.c (printer_init): Don't check out_fname for NULL.
8185 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
8186 (init_c_lex): Update, and use "" to represent stdin to CPP.
8189 2001-02-20 Will Cohen <wcohen@redhat.com>
8191 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
8192 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
8193 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
8196 2001-02-20 Stan Shebs <shebs@apple.com>
8198 * config/rs6000/rs6000.c (output_cbranch): Output branches
8199 on separate lines instead of using ';' to separate.
8201 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
8203 * cppinit.c (set_lang): Move builtin handling to...
8204 (init_builtins): ...here.
8205 (_cpp_create_reader): Move call to set_lang.
8207 2001-02-20 Mark Mitchell <mark@codesourcery.com>
8209 * stmt.c (expand_return): If an attempt is made to return the
8210 error_mar_node, treat the return like a return without a value.
8212 2001-02-19 Zack Weinberg <zackw@stanford.edu>
8214 * sibcall.c (skip_copy_to_return_value): Call
8215 identify_call_return_value here, and return orig_insn if it
8216 returns zero. Hardret and softret arguments now unnecessary.
8217 (call_ends_block_p): Don't call identify_call_return_value here.
8219 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
8221 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
8222 * ggc.h (ggc_mark_if_gcable): Delete prototype.
8224 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
8226 * pa.c (move_operand): Accept code to load the address of a
8227 symbol out of the DLT as a valid move operand.
8228 (print_operand, case 'A'): New to handle generating a DLT
8229 reference for a LO_SUM expression.
8230 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
8231 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
8233 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
8235 * README, cpp.texi, gcc.texi, version.c: Update version number to
8237 * cpp.1, gcov.1, gcc.1: Regenerate.
8239 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
8241 * cppfiles.c (stack_include_file): Generate dependencies
8242 here, and manage include_count here too.
8243 (PRINT_THIS_DEP): Delete.
8244 (_cpp_execute_include): Do not generate dependencies here,
8245 apart from the case of a missing header. Do not manage
8247 (_cpp_read_file): Leave dependency generation to
8250 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
8252 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
8253 target_cpu_default. Remove dead assignment to
8256 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
8258 * regclass.c (contains_reg_of_mode): Make global.
8259 (init_reg_sets): Remove contains_reg_of_mode; take into account
8260 CLASS_MAX_NREGS when looking for the proper mode.
8261 (dump_regclass): Dump only classes considered for the pseudo.
8262 (regclass): Use contains_reg_of_mode.
8264 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
8266 * gcc.c (do_spec_1): 'n' for printing notices.
8267 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
8269 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
8271 * reg-stack.c (next_flags_user): Use current_block->end
8272 (swap_rtx_condition): Look for next user if flags don't die;
8273 give up on CALL_INSNs; use current_block->end.
8275 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8277 * sibcall.c (call_ends_block_p): New function.
8278 (optimize_sibling_and_tail_recursive_call): Use it.
8280 2001-02-18 Kazu Hirata <kazu@hxi.com>
8282 * config/h8300/h8300.md: Update copyright.
8283 (andsi3): Do not output an extra newline character.
8285 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8287 * toplev.c (note_deferral_of_defined_inlined_function): Argument
8288 FNDECL may be unused.
8290 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
8291 follow jumps after first run.
8292 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
8293 it doesn't change any jumps.
8295 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
8297 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
8298 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
8299 (mostlyclean): Corresponding changes.
8300 * rtlanal.c (hard-reg-set.h): Include.
8301 (rtx_unstable_p): Do not treat the argument pointer specially
8302 if it is not a fixed register.
8303 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
8305 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8307 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
8308 against last real insn in basic block.
8309 Rework to avoid gotos.
8311 * Makefile.in (gcse.o): Now includes ggc.h.
8312 * gcse.c: Include ggc.h.
8313 (want_to_gcse_p): Verify expression can be in SET as valid insn.
8314 (try_replace_reg): Remove warning of uninitialize variable.
8315 (process_insert_insn): Call invalid_insn_p to validate insn.
8316 * recog.c (insn_invalid_p): Now global.
8317 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
8318 * recog.h (insn_invalid_p): New declaration.
8320 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
8322 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
8323 assignments from FP constants since 'Y' output code can't handle it.
8324 (eligible_for_sibcall_delay): Likewise.
8326 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
8327 Call fancy_abort directly, passing args.
8328 (print_rtl_and_abort): Now a macro, like fancy_abort.
8330 * final.c (output_operand_lossage): Use internal_error, not error.
8332 2001-02-18 Shane Nay <shane@agendacomputing.com>
8334 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
8335 structure shift insns.
8337 2001-02-18 Mark Mitchell <mark@codesourcery.com>
8339 * invoke.texi (-fsquangle): Remove documentation.
8340 (-fname-mangling-version): Likewise.
8342 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
8344 * optabs.c (expand_abs): Remove reference to
8345 HAVE_contitional_arithmetic.
8346 * combine.c (simplify_set): Likewise.
8348 2001-02-18 Richard Henderson <rth@redhat.com>
8350 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
8353 2001-02-18 Richard Henderson <rth@redhat.com>
8355 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
8357 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
8359 * reload1.c (reload_cse_simplify_set): Fix typo.
8361 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8363 * diagnostic.c (_fatal_insn): Decrement errorcount.
8365 * invoke.texi (-I): Add note avoiding use for system header files.
8367 * rtl.h (add_clobbers): Remove duplicate declaration.
8368 * recog.h (added_clobbers_hard_reg_p): New declaration.
8369 * genemit.c (struct clobber_pat): New field has_hard_reg.
8370 (gen_insn): Record if added clobbers clobber hard reg.
8371 (gen_split): Avoid unused warning if number of operands is 0.
8372 (output_added_clobbers_hard_reg_p): New function.
8375 2001-02-18 Alan Modra <alan@linuxcare.com.au>
8377 * pa.c (hppa_expand_prologue): Simplify code storing return
8378 pointer. For large (>=8k) frames with a post_store, adjust stack
8379 pointer by 8k-64 first rather than by 64. When testing with
8380 VAL_14_BITS_P, always use the actual value rather than the value
8381 negated. Add blockage to prevent scheduling of spills before
8382 stack frame has been created.
8383 (hppa_expand_epilogue): Simplify code loading return pointer.
8384 Allow a slightly larger range for merge_sp_adjust_with_load case.
8385 When testing with VAL_14_BITS_P, always use the actual value.
8387 * pa.c (pa_adjust_insn_length): Check that block move
8388 pattern is a set before looking at operands.
8390 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8392 * fold-const.c (fold_binary_op_with_conditional_arg): New
8393 function, split out from ...
8395 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
8396 conditional arms that throw exceptions.
8398 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
8401 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8403 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
8404 define HAVE_DECL_* to 1 to mask potential backup declarations.
8405 * configure: Regenerated.
8407 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8409 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
8411 2001-02-17 Richard Henderson <rth@redhat.com>
8413 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
8414 when replacing a memory load with a register.
8416 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8417 Jan Hubicka <jh@suse.cz>
8419 * recog.c (validate_replace_src_1): New.
8420 (validate_replace_src_data): Likewise.
8421 (validate_replace_src): Use note_uses.
8422 * rtl.h (note_uses): Declare.
8423 * rtlanal.c (note_uses): New.
8425 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
8427 * reg-stack.c (stack_def): Make field reg unsigned.
8428 (remove_regno_note): Unsignetize parameter.
8430 2001-02-16 Jes Sorensen <jes@linuxcare.com>
8432 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
8433 shladd_operand() call.
8435 2001-02-16 Bruce Korb <bkorb@gnu.org>
8436 Rodney Brown <RodneyBrown@mynd.com>
8438 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
8439 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
8440 machine restrictions
8441 * fixinc/fixincl.x: regen
8443 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8445 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
8447 (hash_scan_insn): Clean up calls to hash_scan_set.
8448 (compute_kill_rd): REGNO now unsigned.
8449 (try_replace_reg): Rework to use simplify_replace_rtx.
8450 (cprop_jump, cprop_cc0_jump): Likewise.
8451 (cprop_insn): Call find_reg_equal_equiv_note.
8452 Reflect changes to cprop_jump and cprop_cc0_jump.
8454 * recog.c (validate_replace_src): Replace in operands of
8455 ZERO_EXTRACT in SET_DEST.
8457 * cse.c (new_label_ref): New variable.
8458 (insert): Set it instead of recorded_label_ref.
8459 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
8460 CODE_LABEL for this function, and not already in REG_LABEL note.
8462 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
8464 * resource.c (mark_referenced_resources): Fix typo in introductory
8466 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
8469 2001-02-16 Jason Merrill <jason@redhat.com>
8471 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
8473 (gen_subprogram_die): Don't abort on seeing a second definition if
8474 the previous one was abstract. Don't replace an abstract instance
8475 in the lookup table.
8477 * dwarf2out.c (dwarf2out_abstract_function): Rename from
8478 gen_abstract_function.
8479 * dwarf2out.h: Declare it.
8480 * toplev.c (note_outlining_of_inline_function): New fn.
8481 * toplev.h: Declare it.
8482 * integrate.c (output_inline_function): Call it.
8483 * c-decl.c (duplicate_decls): Call it when redefining an extern
8484 inline. Don't inline the new defn.
8486 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
8488 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8490 * .gdbinit: Rename to gdbinit.in.
8491 * gdbinit.in: New file,
8492 * configure.in: Generate .gdbinit from gdbinit.in.
8493 * configure: Regenerated.
8494 * Makefile.in (distclean): Always remove .gdbinit.
8496 2001-02-16 Jakub Jelinek <jakub@redhat.com>
8498 * objc/objc-act.c (start_class): Register implemented_classes with
8501 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
8503 * cppfiles.c (_cpp_make_system_header): Generate a file
8506 2001-02-15 Jim Meyering <meyering@lucent.com>
8508 * Makefile.in (install-common): Don't depend on installdirs here.
8509 Instead, make each of the lang.install-common targets (e.g.,
8510 c++.install-common in cp/Make-lang.in) depend on it.
8511 (install-driver): Depend on installdirs.
8513 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8515 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
8517 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
8520 2001-02-15 Mark Mitchell <mark@codesourcery.com>
8522 * invoke.texi (--param): Document.
8524 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
8526 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
8528 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
8530 * i386.md (extendsfdf2_2): Fix constraints.
8532 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
8534 * i386.md (fop_df_3 splitter): Fix operand number.
8536 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
8538 * invoke.texi (-mreg-alloc): Nuke.
8539 * i386.c (ix86_reg_alloc_order, regs_allocated,
8540 order_regs_for_local_alloc): Nuke.
8541 (override_options): Kill reg_alloc code.
8542 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
8543 (REG_ALLOC_ORDER): SSE goes before I387.
8544 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
8545 (ix86_reg_alloc_order): Likewise.
8546 * i386-protos.h (ix86_reg_alloc_order): Kill.
8548 2001-02-14 Richard Henderson <rth@redhat.com>
8550 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
8552 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
8554 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
8556 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
8558 * i386-protos.h (ix86_memory_move_cost): Move offline.
8559 * i386.c (ix86_register_move_cost): Compute properly cost of
8560 SSE, MMX and i387 instructions.
8561 (*_cost): Add costs of SSE/MMX moves.
8562 (ix86_memory_move_cost): Move offline from ....; Likewise.
8563 * i386.h (MEMORY_MOVE_COST): .... here;
8564 (struct processor costs): Add new fields to represent costs
8567 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
8569 * regclass.c (init_reg_sets_1): Reinstall the optimization of
8570 move_cost together with Matt Kraai's fix.
8572 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8574 * Makefile.in (OBJS): Add params.o.
8576 2001-02-14 Richard Henderson <rth@redhat.com>
8577 DJ Delorie <dj@redhat.com>
8579 * jump.c (jump_optimize_1): When we delete a conditional jump
8580 preceeding a non-conditional jump to effectively the same place,
8581 make sure that the combined jump skips any clobber insns between
8584 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8586 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
8588 2001-02-14 Mark Mitchell <mark@codesourcery.com>
8590 * Makefile.in (toplev.o): Depend on params.h.
8591 (intergate.o): Likewise.
8592 (params.o): New target.
8593 * flags.h (inline_max_insns): Remove.
8594 * integrate.c: Include params.h.
8595 Use MAX_INLINE_INSNS instead of inline_max_insns.
8596 * params.c: New file.
8597 * params.h: Likewise.
8598 * params.def: Likewise.
8599 * toplev.c: Include params.h.
8600 (lang_independent_params): New variable.
8601 (decode_f_option): Use the param machinery instead of setting
8603 (independent_decode_option): Handle "--param name=value".
8604 (main): Register language-independent parameters.
8606 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
8608 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
8610 2001-02-14 Richard Henderson <rth@redhat.com>
8612 * regclass.c (init_reg_sets_1): Revert last two changes.
8614 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8616 * stor-layout.c (is_pending_size, put_pending_size): New functions.
8617 (variable_size): Call put_pending_size.
8618 * tree.h (is_pending_size, put_pending_size): Add prototypes.
8619 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
8620 sizes list, put newly created SAVE_EXPR there as well.
8622 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8624 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
8625 (errata_find_address_regs): load_group has only 2 entries.
8626 (errata_emit_nops): Likewise. shladd is not problematic.
8627 Clear last_group if nop was emitted.
8628 (fixup_errata): load_group has only 2 entries.
8631 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
8633 * c-lex.c (lex_number): Only warn traditionally for U suffix
8634 outside system macros.
8635 * cppexp.c (parse_number): Similarly.
8636 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
8637 * cppmacro.c (struct cpp_macro): New member node.
8638 (parse_args): Only warn about missing rest args if not
8640 (funlike_invocation_p): Similarly for uninvoked funlike macros.
8641 (cpp_sys_objmacro_p): New.
8642 (_cpp_create_definition): Store the node with the macro defn.
8643 Remember if the macro is defined in a system header.
8645 2001-02-13 DJ Delorie <dj@redhat.com>
8647 * configure.in (check_languages): determine languages to check
8648 * Makefile.in (check-c++): alias for check-g++
8649 (check-f77): alias for check-g77
8650 (CHECK_TARGETS): depend on configured languages
8652 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
8654 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8655 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8656 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8657 (sqrtextendsfdf2): Disable for SSE2.
8659 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8661 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8662 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8663 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8664 (sqrtextendsfdf2): Disable for SSE2.
8666 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
8668 * i386.md (movsfcc_1): Support integer cmove instruction.
8669 (movdfcc_1): Likewise; new splitter.
8671 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
8673 * i386.c (output_fp_compare): Support SSE.
8674 (prepare_fp_compare_args): SSE comparisons always support memory.
8675 * i386.h (TARGET_CMOVE): SSE imply cmove.
8676 * i386.md (cmp?f2): Enable for SSE too.
8677 (cmpfp_i*): Support SSE.
8679 (cmpfp_i_sse_only): New.
8680 (s*, b* fp expanters): Enable for SSE too.
8681 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
8684 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
8686 * regclass.c (init_reg_sets_1): Silence warning.
8688 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
8690 * i386.md (sqrt?f2): Change to expander.
8691 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
8693 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8695 * rtlanal.c (find_reg_equal_equiv_note): New function.
8696 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
8697 (simplify_gen_relational, simplify_replace_rtx): Likewise.
8698 * rtl.h: Add declarations for above functions.
8700 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
8702 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
8704 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
8705 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
8706 * flow.c (mark_regs_live_at_end): Likewise.
8707 (calculate_global_regs_live): Likewise.
8708 * gcse.c (compute_hash_table): Likewise.
8709 (compute_kill_rd): Likewise.
8710 * resource.c (mark_target_live_regs): Likewise.
8711 * rtl.h (INVALID_REGNUM): New macro.
8713 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
8715 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
8717 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
8719 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
8722 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
8724 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
8726 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
8727 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
8728 (fop_sf_1_sse, fop_df_1_sse): New patterns
8729 (fop_*): Disable float_extend and float patterns for SSE compilation.
8730 * i386.c (output_387_binary_op): Support SSE.
8732 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
8734 * i386.md (dummy_extendsfdf2): Support SSE2
8735 (extendsfdf2): Enable if 80387 or SSE2.
8736 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
8737 and no MIX_I387_SSE2
8738 (extendsfdf2_1_sse_only): New pattern.
8739 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
8741 (truncdfsf2_1): Support SSE.
8742 (truncdfsf2_2): Support SSE.
8743 (truncdfsf2_2_1_sse): New pattern.
8744 (fixtruncsfsi2): Always use SSE if available.
8745 (fix_truncsfsi_sse): New pattern.
8746 (fix_truncdfsi_sse): New pattern.
8747 (floatsis?f2): Support SSE.
8748 (floatsidf2_i387): New pattern.
8749 (floatsidf2_sse): Likewise.
8751 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8753 * configure.in: Use "have_gnat" variable, not "gnat".
8754 * configure: Regenerated.
8756 * config/sparc/sparc.c (function_value): Treat all non-record
8757 aggregate types like used to treat UNION_TYPE.
8759 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
8761 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
8762 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
8764 (MASK_MIX_SSE_I387): New.
8765 (TARGET_SSE): SSE2 imply SSE.
8766 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
8767 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
8768 (enum reg_class): Add new classes.
8769 (REG_CLASS_NAMES): Likewise.
8770 (REG_CLASS_CONTENTS): Likewise.
8771 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
8772 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
8773 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
8774 (CLASS_MAX_NREGS): Use new macros.
8775 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
8776 * i386.md (pushsf, movsf): Support SSE.
8777 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
8778 splitters to use ANY_FP_REGNO_P.
8779 (movdf_nointeger, movdf_integer): Likewise.
8781 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8783 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
8784 (try_combine): Use it.
8786 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
8788 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
8789 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
8790 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
8791 (REGISTER_MOVE_COST): Likewise.
8792 * i386-protos.h (ix86_secondary_memory_needed,
8793 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
8794 * i386.c (ix86_secondary_memory_needed,
8795 ix86_preferred_reload_class, ix86_register_move_cost): New function.
8797 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
8799 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
8800 (HARD_REGNO_MODE_OK): Move offline to ....
8801 * i386.c (ix86_hard_regno_mode_ok) ... here;
8802 refuse all incorrect modes.
8803 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
8805 2001-02-13 Richard Henderson <rth@redhat.com>
8807 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
8808 entire operator; replicate that and match_dup the operands.
8809 (cmp_ccx_arith_op_set): Likewise.
8810 (cmp_cc_arith_op_not_set): Likewise.
8811 (cmp_ccx_arith_op_not_set): Likewise.
8813 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8815 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
8817 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8819 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
8820 (TARGET_NO_BITFIELD_WORD): New macro.
8821 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
8822 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
8824 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8826 * cselib.c: New file, from simplify-rtx.c.
8827 * simplify-rtx.c: Remove cselib parts.
8828 * Makefile.in: Add cselib.o.
8830 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8832 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
8833 (setup_incoming_varargs): Remove warning.
8835 * config/rs6000/rs6000.c (validate_condition_mode): When
8836 flag_fast_math, allow floating-point conditionals to be reversed.
8837 (rs6000_generate_compare): When flag_fast_math, don't generate
8838 cror operations for FP conditionals.
8840 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
8842 (ASM_SPEC): Likewise.
8843 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
8844 (CC1_SPEC): Likewise.
8845 (LINK_TARGET_SPEC): Likewise.
8846 (CPP_ENDIAN_SPEC): Likewise.
8847 * Makefile.in (check-consistency): New target.
8849 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
8851 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
8852 "return type defaults" warning for functions with return type
8854 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
8855 function declarations by default rather than only when pedantic.
8857 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
8859 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
8862 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8864 * extend.texi (Deprecated): Deprecate new initializer lists.
8866 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8868 * mkdeps.c (deps_add_default_target): Robustify. Add
8869 basename component only.
8870 * cpp.texi (-M): Describe how default target is generated.
8871 * invoke.texi (-M): Likewise.
8873 2001-02-12 Kazu Hirata <kazu@hxi.com>
8875 * toplev.c (push_float_handler): Remove.
8876 (pop_float_handler): Remove.
8877 * toplev.h: Remove prototypes for the above functions.
8879 2001-02-12 Jakub Jelinek <jakub@redhat.com>
8881 * c-common.c (constant_fits_type_p): New function.
8882 (convert_and_check): Use it.
8884 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8886 * Makefile.in (GXX_ABI_FLAG): Don't define.
8887 * configure.in (--enable-new-gxx-abi): Remove option.
8888 * config.in: Regenerated.
8889 * configure: Likewise.
8891 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
8893 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
8895 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
8896 regular basic block, and arrange for all edges into it to switch
8899 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8901 * Makefile.in (distclean): Do not remove .gdbinit.
8903 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8905 * Makefile.in (gcc.o): Fix typos.
8906 (protize.o): Likewise.
8907 (unprotoize.o): Likewise.
8909 2001-02-11 Richard Henderson <rth@redhat.com>
8911 * tree.c (build1): Check for null operand in last change.
8913 2001-02-11 Richard Henderson <rth@redhat.com>
8915 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
8916 (fold): Don't assume a constant isn't foldable.
8917 * tree.c (build): Set TREE_CONSTANT for an expression with no
8918 side-effects and constant operands.
8921 2001-02-10 Richard Henderson <rth@redhat.com>
8923 * jump.c (squeeze_notes): Revert 2000-05-12 change.
8925 2001-02-10 Anthony Green <green@redhat.com>
8927 * cpp.texi (Standard Predefined): Add documentation for
8930 * c-common.c (combine_strings): Improve warning message.
8932 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
8934 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
8936 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
8938 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
8940 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
8943 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
8945 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
8948 2001-02-09 Nick Clifton <nickc@redhat.com>
8950 * config/arm/arm.md: Change output contraint on post inc
8951 load/store multiple patterns to be a read/write contraint.
8953 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
8955 * gcc.c (cpp_options): Delete .d files on error. Don't delete
8956 .o files when using the -M options.
8958 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8959 David Edelsohn <edelsohn@gnu.org>
8961 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
8962 handle DImode constants. Use one TOC entry for SImode and smaller
8963 constants, aligned properly.
8965 2001-02-08 Jason Merrill <jason@redhat.com>
8967 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
8968 about the SP adjustment for saving the static chain pointer.
8969 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
8970 offset when setting a temporary CFA register.
8972 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
8974 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
8975 powerpc-*-chorusos* .
8976 * config/rs6000/chorus.h : New file.
8977 * config/i386/chorus.h : New file.
8978 * config/sparc/chorus.h : New file.
8979 * config/sparc/t-chorus-elf : New file.
8981 2001-02-08 David Edelsohn <edelsohn@gnu.org>
8983 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
8984 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
8985 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
8986 (__WCHAR_TYPE__): Correct macro name.
8988 2001-02-08 Richard Henderson <rth@redhat.com>
8990 * config/i386/i386.c (ix86_frame_pointer_required): New.
8991 (ix86_setup_frame_addresses): New.
8992 (struct machine_funciton): Add accesses_prev_frame.
8993 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
8994 ix86_frame_pointer_required.
8995 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
8996 (SETUP_FRAME_ADDRESSES): New.
8997 * config/i386/i386-protos.h: Update.
8998 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8999 from FRAME_POINTER_REQUIRED.
9000 * config/i386/svr3gas.h: Likewise.
9001 * config/i386/sysv3.h: Likewise.
9002 * config/i386/v3gas.h: Likewise.
9004 2001-02-08 Richard Henderson <rth@redhat.com>
9006 * config/sparc/sparc.c (function_arg_record_value_3): Fix
9007 calculation of the number of integer registers required.
9008 (function_arg_record_value): Likewise.
9010 2001-02-08 Jason Merrill <jason@redhat.com>
9012 * diagnostic.c (internal_error): Say "confused" after 1 error, not
9013 two. Print file and line with "confused" message.
9015 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
9017 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9019 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
9021 2001-02-08 Bernd Schmidt <bernds@redhat.com>
9023 * final.c (cleanup_subreg_operands): The address of a MEM can
9026 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
9029 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
9031 * gcc.texi (Incompatibilities): Update documentation of
9032 preprocessing numbers.
9034 2001-02-07 Jakub Jelinek <jakub@redhat.com>
9036 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
9038 2001-02-07 Mark Mitchell <mark@codesourcery.com>
9040 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
9042 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
9043 * gcc.c (struct compiler): Add cpp_spec field.
9044 (input_file_compiler): New variable.
9045 (do_spec_1): Allow a particular compiler to handle `%C'
9047 (main): Store the current compiler in input_file_compiler.
9048 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
9050 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
9052 * cpphash.h (struct spec_nodes): Add n_true and n_false.
9053 * cppinit.c (cpp_create_reader): Initialize them.
9054 (append_include_chain): cxx_aware arg might be unused.
9055 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
9056 keywords and give them their phase 7 meaning. Pedwarn about
9057 this unless '__bool_true_false_are_defined' is defined.
9059 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9061 * lcm.c (optimize_mode_switching): Emit mode_set before the
9062 JUMP_INSN of an abnormal edge.
9064 2001-02-07 Bernd Schmidt <bernds@redhat.com>
9066 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
9067 a scheduling barrier at the end.
9069 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
9071 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9073 * config/sh/sh.md (reload_outsf): Removed.
9074 (movsf_ie): Introduce constraints for FPUL loads and stores.
9075 (reload_insf): Broaden the output constraint.
9077 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
9079 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
9080 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
9082 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
9084 * final.c: Revert my previous changes.
9085 * output.h: Make profile_label_no extern.
9086 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
9087 for generating label.
9089 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
9091 * config/i386/djgpp.h: Add comments about standard paths.
9092 (MD_EXEC_PREFIX): Undefine before defining.
9093 (MD_STARTFILE_PREFIX): New.
9095 2001-01-30 Bruce Korb <bkorb@gnu.org>
9097 fixinc/fixincl.c(process): Emit error message only if appropriate :)
9098 (load_file): do not rely on load_file_data() to close file pointer
9099 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
9100 fixinc/inclhack.def(irix_limits_const): add test_text
9102 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9104 * cppexp.c (parse_defined): Improve diagnostics for invalid
9107 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9109 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
9111 2001-02-06 Mark Mitchell <mark@codesourcery.com>
9113 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
9114 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
9115 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
9116 (rs6000_output_symbol_ref): New function.
9117 (output_toc): Use VTABLE_NAME_P.
9119 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9121 * print-tree.c (print_node, case PARM_DECL):
9122 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
9124 * stor-layout.c (reference_types_internal): New variable.
9125 (internal_reference_types): New function.
9126 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
9127 * tree.h (internal_reference_types): New declaration.
9129 * cse.c (find_best_addr): Fix typo in computing cost.
9131 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9133 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
9134 and this is the sum of a pointer and a constant, we know the result
9136 (num_sign_bit_copies, case PLUS): Likewise.
9137 * explow.c (convert_memory_address): Remove opposite SUBREG.
9138 * function.c (instantiate_new_reg): New function (from common code).
9139 (instantiate_virtual_regs_1): Call it.
9140 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
9141 if pointers sign- or zero-extend.
9142 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
9143 If pointers extend unsigned, use inside of SUBREG.
9144 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
9146 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
9148 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
9149 subdir of gcc_gxx_include_dir.
9150 (gcc_gxx_target_include_dir): Remove.
9152 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
9154 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
9155 (dwarf2out_frame_debug_expr): Revise introductory comments to add
9156 a high-level description.
9158 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
9160 * final.c: Move the declaration of profile_label_no to ...
9161 * output.h: ... here.
9162 * function.c (expand_function_start): Call PROFILE_HOOK.
9163 * config/rs6000/aix.h: Define PROFILE_HOOK.
9164 * config/rs6000/rs6000-protos.h: output_profile_hook new.
9165 * config/rs6000/rs6000.c (output_profile_hook): Define.
9166 (output_prolog): Do nothing for ABI_AIX as it is taken care by
9167 output_profile_hook.
9168 tm.texi : Explain new macro PROFILE_HOOK.
9170 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
9172 * extend.texi (Extended Asm): Do not say that semicolon is always
9173 a valid line-breaking character for GNU assemblers. Use
9174 newline-tab as the most commonly supported syntax. Use
9175 newline-tab rather than semicolon in multi-insn examples.
9177 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9179 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
9181 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9182 David Edelsohn <edelsohn@gnu.org>
9184 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
9185 code for AIX, even without flag_pic.
9187 2001-02-05 Jakub Jelinek <jakub@redhat.com>
9189 * c-typeck.c (common_type): push and pop binding level around
9190 calling common_type on function parameters.
9192 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
9194 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
9196 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9198 * config/mips/mips.c (override_options): Fix typo in last change.
9199 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
9200 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
9202 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
9204 * invoke.texi (-fdump-class-layout): Document.
9205 (-fdump-translation-unit): Use `=' as filename separator.
9207 2001-02-05 Mark Mitchell <mark@codesourcery.com>
9209 * Makefile.in (s-mlib): Don't build multilibs if
9211 (DRIVER_DEFINES): Adjust accordingly.
9213 (protoize.o): Likewise.
9214 (unprotoize.o): Likewise.
9215 * configure.in: Recognize --enable-multilib.
9217 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9219 * Makefile.in (DRIVER_DEFINES): Fix quoting.
9221 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
9222 * configure.in: Remove --enable-libstdcxx_v3 support.
9223 * configure: Regenerated.
9225 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9227 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
9228 Call abort instead of fatal.
9229 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
9230 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
9231 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
9232 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
9233 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
9234 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
9236 * diagnostic.h (set_internal_error_function): Renamed.
9237 * toplev.h (internal_error): Renamed from fatal.
9238 (pfatal_with_name): Deleted.
9239 (fatal_io_error): Now has printf-style arguments.
9240 * diagnostic.c (pfatal_with_name): Deleted.
9241 (fatal_io_error): Rework to have args in printf-style.
9242 (set_internal_error_function): Renamed from set_fatal_function.
9243 (internal_error): Renamed from fatal.
9244 (error_recursion, fancy_abort): Call internal_error instead of fatal.
9245 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
9246 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
9247 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
9248 * flow.c (verify_flow_info): Likewise.
9249 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
9250 * config/mips/mips.c (save_restore_insns): Likewise.
9252 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
9253 * flow.c (verify_flow_info): Likewise.
9254 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
9255 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
9256 (avr_normalize_condition): Likewise.
9257 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
9258 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
9259 (limit_reload_class, double_reg_to_memory): Likewise.
9260 (print_operand_address, emit_1600_code_shift): Likewise.
9261 (gen_tst_reg, gen_compare_reg): Likewise.
9262 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
9263 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
9265 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
9267 * c-parse.in (methoddef): Call fatal_error instead of fatal.
9268 * objc/objc-act.c (build_ivar_chain): Likewise.
9269 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
9271 * graph.c (clean_graph_dump_file): Likewise.
9272 * profile.c (init_branch_prob): Likewise.
9273 * objc/objc-act.c (objc_init): Likewise.
9275 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
9276 * config/avr/avr.c (avr_override_options): Likewise.
9277 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
9278 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
9279 * config/h8300/h8300.c (h8300_init_once): Likewise.
9280 * config/mips/mips.c (override_options): Likewise.
9281 * config/i386/i386.c (override_options): Likewise, rework.
9282 * config/m68k/m68k.c (override_options): Likewise.
9284 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
9286 * config/mips/mips.c (print_operand): Likewise.
9287 * hash.c (hash_allocate): Don't check for failure returns from
9288 obstack functions that can't fail.
9289 (hash_table_init_n, hash_table_init): Likewise; also now return void.
9290 * hash.h (hash_table_init_n, hash_table_init): Now return void.
9291 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
9292 (get_object_reference): Likewise.
9294 2001-02-04 Nick Clifton <nickc@redhat.com>
9296 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
9297 StrongARM1110, 10TDMI, and 1020T.
9299 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9301 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
9303 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
9305 * config/sh/sh.md (movdf load split): Pass register number to
9306 FP_OR_XD_REGISTER_P.
9308 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9310 * cppinit.c (BC): New macro.
9311 (builtin_array): Add __GXX_WEAK__.
9312 * cpplib.h (builtin_type): Add BT_WEAK.
9313 * cppmacro.c (builtin_macro): Handle BT_WEAK.
9314 * defaults.h (SUPPORTS_ONE_ONLY): Define.
9315 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
9317 2001-02-03 Jakub Jelinek <jakub@redhat.com>
9319 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
9321 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9323 * cpphash.h: Rename _ALIGN POOL_ALIGN.
9324 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9326 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9328 * cpphash.h: Rename ALIGN _ALIGN.
9329 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9331 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
9333 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
9334 compilation environment.
9335 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
9336 control over location of cygwin includes and libs.
9338 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9340 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
9342 2001-02-02 lars brinkhoff <lars@nocrew.org>
9344 * md.texi (Standard Names): remove reference to spur.md.
9346 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9348 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
9349 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
9350 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
9351 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
9352 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
9354 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9356 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
9357 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
9358 number before reload.
9359 (c4x_adjust_cost): Return zero before reload.
9360 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
9361 split before reload.
9363 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9365 * c4x.c (c4x_hard_regno_rename_ok): New.
9366 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
9367 * c4x.h (HARD_REGNO_RENAME_OK): Define.
9369 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9371 * diagnostic.h: Add missing "extern" in all declarations.
9373 2001-02-02 Alex Samuel <samuel@codesourcery.com>
9375 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
9376 as for gcc_gxx_include_dir.
9378 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
9380 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
9382 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9384 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
9385 label before alignment to be used as the braf base address.
9386 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
9388 (casesi_jump_2): Require at least TARGET_SH2.
9390 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
9391 truncation to 32-bit doubles on -m3e and -m4-single-only.
9393 2001-02-02 Mark Mitchell <mark@codesourcery.com>
9395 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
9396 the default when building a shared object.
9397 (init_spec): Use it.
9398 * testsuite/lib/g++.exp: Include the directory where libgcc
9399 is located to the LD_LIBRARY_PATH list.
9400 * invoke.texi (-shared-libgcc): Document the cases in which
9401 GCC defaults to using the shared libgcc.
9403 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9405 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
9406 unsigned is wide enough.
9408 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
9409 (si_to_float): Likewise.
9410 (float_to_si, float_to_usi): Use BITS_PER_SI.
9412 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9414 * dwarf2out.c: Added explanation of abbreviations.
9415 (def_cfa_1): Added comments listing DWARF2 instructions.
9416 (cfa_temp_reg): Removed in favor of cfa_temp.
9417 (cfa_temp_value): Removed in favor of cfa_temp.
9418 (cfa_temp): New global variable.
9419 (dwarf2out_frame_debug_expr): Added extensive introductory
9420 comments explaining the function's transformations. Revised to
9421 use cfa_temp. Added some rtx checking. Generalize IOR case.
9422 (dwarf2out_frame_debug): Revised to use cfa_temp.
9423 (output_aranges): Cast as "unsigned" to avoid warning.
9424 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
9425 explain which instructions must be marked.
9427 2001-02-01 Richard Henderson <rth@redhat.com>
9429 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
9432 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
9434 * config/sh/crt1.asm (main_k): Modified so that start calls
9435 ___setup_argv_and_call_main.
9437 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
9439 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
9440 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
9441 and AVOID_LPASTE is cleared on meeting an unescaped newline.
9442 * cppmacro.c (builtin_macro): Set builtin flags here.
9443 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
9444 (replace_args): Clarify intent.
9445 (cpp_get_token): Macro expansion tokens get the saved flags.
9447 * cppmain.c (scan_buffer): Remove now-redundant print.printed
9450 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9452 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
9455 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9457 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
9458 returns Pmode pseudo, but we need ptr_mode.
9459 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
9460 Remove bogus conversions; use HOST_WIDE_INT for size.
9461 Don't use TARGET if wrong mode.
9463 * config/i386/i386.c (ix86_compute_frame_size): Allow
9464 stack_alignment_needed to be non-default even if size is zero.
9466 2001-01-31 Alan Modra <alan@linuxcare.com.au>
9468 * pa.c (hppa_init_pic_save): New function.
9469 * pa.h (hppa_init_pic_save): Declare.
9470 * pa.md (call, call_value, sibcall, sibcall_value): Use
9471 the above instead of duplicated code.
9473 * pa.c (hppa_encode_label): Correct size of alloca buffer
9474 so we don't overrun it. Correct leading `*' case.
9475 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
9476 need to handle `*@'.
9477 (FUNCTION_NAME_P): Likewise.
9479 2001-01-31 Richard Henderson <rth@redhat.com>
9481 * config.gcc (alpha-osf5): Use float-i128.h.
9483 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
9484 * config/float-i32.h: Likewise.
9485 * config/float-i64.h: Likewise.
9486 * config/float-sh.h: Likewise.
9487 * config/float-sparc.h: Likewise.
9489 2001-01-31 DJ Delorie <dj@redhat.com>
9491 * expmed.c (extract_bit_field): allow non-integral modes if we
9492 want to extract a whole register from itself.
9494 2001-01-31 Jakub Jelinek <jakub@redhat.com>
9496 * c-typeck.c (set_init_index): If first is equal to last, assume as
9497 if it was not a range at all.
9499 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9501 * config/fp-bit.c: Include tm.h.
9502 (float_to_si): Don't assume SImode is 32-bits wide.
9503 (float_to_usi): Likewise.
9505 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
9507 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
9509 (typename): Call pending_xref_error after parsing typed_typespecs.
9510 * c-decl.c (lookup_tag): Give error immediately rather than
9511 leaving it pending if the tag of the wrong type is in the same
9513 (xref_tag): Don't pedwarn for forward declarations of enum types
9515 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
9518 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9520 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
9522 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9524 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
9525 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
9527 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9529 * cpphash.h (struct cpp_reader): New saved_flags.
9530 * cppmacro.c (cpp_get_token): Use saved_flags to remember
9531 to avoid a paste after a pasted token.
9533 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9535 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
9536 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
9537 Wtype_MIN instead of LONG_MIN.
9539 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9541 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
9543 * fixinc/fixincl.x: Regenerated.
9544 * fixinc/inclhack.def (irix_limits_const): New definition to
9545 convert "const" to "__const" in limits.h.
9547 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9549 * fixinc/genfixes (AG): Fix "autogen4" thinko.
9551 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9553 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
9554 when register dies in the insn.
9556 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9558 * diagnostic.c (fatal): Fix word wrap.
9560 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
9562 * combine.c (try_combine): Fix SUBREG setting for
9563 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
9565 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9567 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
9570 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9572 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
9574 * toplev.c (decode_W_option): Update warn_larger_than
9575 unconditionally for each processed switch.
9577 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
9579 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
9581 (hppa_expand_prologue): Delete code to save pic offset table register
9582 in the function prologue.
9583 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
9584 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
9585 table register at the beginning of the function after the prologue.
9587 2001-01-29 lars brinkhoff <lars@nocrew.org>
9589 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
9591 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
9592 Jeff Law <law@redhat.com>
9594 * pa.md (return): Revise comment for trivial return.
9595 (return_internal): Non-trivial return pattern for non-PIC code.
9596 (return_internal_pic): Non-trivial return pattern for PIC code.
9597 It uses the PIC register to ensure it is restored after
9599 (epilogue): Generate appropriate return for PIC and non-PIC code.
9601 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
9603 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
9605 2001-01-29 DJ Delorie <dj@redhat.com>
9607 * combine.c (if_then_else_cond): Pass the correct mode to
9608 operand_subword() for constants.
9610 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
9612 * config/i386/cygwin.h: Add w32api to include search. Search different
9613 directories in a cross-build environment.
9615 2001-11-29 Tim Josling <tej@melbpc.org.au>
9617 * tree.h (TYPE_STUB_DECL): Add documentation.
9619 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
9621 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
9622 (sdbout_field_types): Likwise. Fix use of host_integerp.
9624 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
9626 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
9629 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
9631 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
9632 to use flag_gnu_linker.
9634 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
9636 * cpplib.c (T_BAD_DIRECTIVE): Remove.
9637 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
9639 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
9641 * tree.c, tree.h (build_parse_node): Remove; was identical to
9643 * c-lang.c (start_cdtor), objc/objc-act.c
9644 (build_module_descriptor): Use build_nt instead of
9647 2001-01-29 Jakub Jelinek <jakub@redhat.com>
9649 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
9650 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
9651 not have any upper bits set.
9653 2001-01-29 Phil Edwards <pme@sources.redhat.com>
9655 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
9657 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9659 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
9661 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
9663 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
9664 (integer_minus_one_node): Define.
9666 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
9668 * Makefile.in (bootstrap2-lean): Fix typo.
9670 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
9672 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
9673 : Don't set fe_value.
9674 * cpplib.h (AVOID_LPASTE): New flag.
9675 (struct cpp_hashnode): Remove fe_value.
9676 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
9677 * cppmacro.c (builtin_macro): Don't set flags here.
9678 (replace_args): Set AVOID_LPASTE flag on first token of an
9679 argument, and the token following it.
9680 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
9681 macro expansion, and on the token following it. Do it for
9683 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
9685 2001-01-27 Richard Henderson <rth@redhat.com>
9687 * config/alpha/t-ieee: Remove multilibbing.
9688 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
9690 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9692 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
9694 * Makefile.in: Remove all dependencies on defaults.h.
9695 * builtins.c: Don't include defaults.h.
9696 * c-common.c: Likewise.
9697 * c-decl.c: Likewise.
9698 * c-pragma.c: Likewise.
9699 * c-typeck.c: Likewise.
9700 * combine.c: Likewise.
9702 * frame-ia64.c: Likewise.
9703 * cppexp.c: Likewise.
9704 * crtstuff.c: Likewise.
9705 * dbxout.c: Likewise.
9706 * dwarf2out.c: Likewise.
9707 * dwarfout.c: Likewise.
9708 * emit-rtl.c: Likewise.
9709 * except.c: Likewise.
9711 * final.c: Likewise.
9712 * frame-dwarf2.c: Likewise.
9713 * libgcc2.c: Likewise.
9714 * optabs.c: Likewise.
9715 * profile.c: Likewise.
9716 * sdbout.c: Likewise.
9717 * toplev.c: Likewise.
9718 * tradcif.y: Likewise.
9720 * varasm.c: Likewise.
9722 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9724 * builtins.c (expand_builtin_fputs): Use size_one_node when
9725 transforming into fwrite.
9727 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
9729 * extend.texi (Attribute Syntax): New section.
9731 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9733 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
9734 they didn't need fixing.
9736 2001-01-27 Janis Johnson <janis@us.ibm.com>
9738 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
9740 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
9741 to remove macro definitions that are duplicated from elfos.h.
9743 2001-01-27 Richard Henderson <rth@redhat.com>
9745 * config/i386/sco5gas.h: Move ...
9746 * config/usegas.h: ... here.
9747 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
9749 2001-01-27 Jakub Jelinek <jakub@redhat.com>
9751 * c-typeck.c (struct constructor_stack): Add range_stack member.
9752 (really_start_incremental_init): Clear it.
9753 (push_init_level): Save constructor_range_stack and clear it if
9754 pushing explicit braces.
9755 (pop_init_level): abort if constructor_range_stack is non-zero at
9756 explicit closing brace. Restore saved constructor_range_stack if
9759 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9761 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
9762 into register was forced into memory.
9764 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9766 * Makefile.in: Remove uses of + before $(MAKE).
9768 2001-01-26 Richard Henderson <rth@redhat.com>
9770 * stmt.c (cost_table): Remove.
9771 (COST_TABLE, cost_table_initialized): New.
9772 (estimate_case_costs): Use the later instead of the former.
9773 (balance_case_nodes): Likewise.
9775 2001-01-26 Richard Henderson <rth@redhat.com>
9777 * alias.c (objects_must_conflict_p): Read-only slots may not
9778 conflict despite having the same type.
9780 2001-01-27 Michael Hayes <mhayes@redhat.com>
9782 * loop.c (loop_giv_reduce_benefit): Copy mode size into
9784 (check_ext_dependant_givs): Initialise u_start_val and
9786 (load_mems): Make last_max_reg unsigned.
9787 (try_swap_copy_prop): Use INSN_P and initialise set.
9789 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
9791 * README.AVR : Removed.
9793 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
9795 * pa-64.h (text_section): Remove declaration.
9797 * pa.md (return_internal): Remove mode on PIC register use.
9799 2001-01-25 lars brinkhoff <lars@nocrew.org>
9801 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
9802 ASM_CLOSE_PAREN): fix typos.
9804 2001-01-25 Mark Mitchell <mark@codesourcery.com>
9806 * acconfig.h: Define `const' to the empty string if neither
9807 __STDC__ nor __cplusplus is defined.
9808 * config.in: Regenerated.
9810 2001-01-25 David Edelsohn <edelsohn@gnu.org>
9812 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
9813 * collect2.c (main): Delete importf. Add ".obj" file extension.
9814 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
9815 (aix_std_libs): Add additional AIX libraries to skip.
9816 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
9817 * config/rs6000/aix51.h: New file.
9819 2001-01-25 Michael Hayes <mhayes@redhat.com>
9821 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
9822 (loop_insn_emit_before): No longer static.
9823 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
9824 (loop_givs_rescan, load_mems): Likewise.
9825 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
9826 (maybe_eliminate_biv_1):
9827 (move_movables): Replace emit_call_insn_before with
9828 loop_call_insn_hoist.
9829 * loop.h (loop_insn_emit_before): Add.
9830 * unroll.c (copy_loop_body): Replace emit_insn_before with
9831 loop_insn_emit_before.
9833 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
9835 * diagnostic.c (fatal): Request preprocessed source.
9837 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
9839 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
9840 olddecl has argument types and newdecl has none, use the argument
9843 2001-01-24 Ulrich Drepper <drepper@redhat.com>
9845 * dwarf2out.c (prefix_of): New function. Determine longest common
9846 prefix of the two arguments. The units are whole path components.
9847 (output_file_names): When adding a new directory find the one entry
9848 with the longest common prefix already in the list. Artificially
9849 generate entry if there is none for this prefix.
9850 Fix test to check whether the zeroth directory entry is used.
9852 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
9854 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
9855 Changed all callers. Take it into account when deciding if a
9856 previously loaded value matches.
9858 2001-01-24 Richard Henderson <rth@redhat.com>
9860 * reload.c (find_reloads_subreg_address): Fail the substitution
9861 if the resulting address is insufficiently aligned.
9863 2001-01-24 DJ Delorie <dj@redhat.com>
9865 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
9866 check the original operand's mode also.
9867 * simplify-rtx.c (simplify_ternary_operation): Ditto.
9869 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9871 * c-parse.in (cast_expr): Move compound literals from here ...
9872 (primary): ... to here. Use standard terminology "compound
9873 literal" instead of "constructor expression".
9875 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9877 * gcc.1, cpp.1: Regenerate.
9879 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
9881 * calls.c (emit_library_call_value_1): Memory slot for
9882 pass-by-reference argument should have the mode of the argument,
9883 not of the pointer to it.
9885 2001-01-24 Tom Tromey <tromey@redhat.com>
9887 * gcc.texi (G++ and GCC): Mention gcj manual.
9888 (Standards): Link to section of manual mentioning gcj/Java
9891 2001-01-24 Jakub Jelinek <jakub@redhat.com>
9893 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
9894 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
9895 * tradcpp.c (main): Add -imacros or -include'd dependencies
9897 * cpp.texi (-M, -MM): Document -M -include behaviour.
9899 2001-01-24 Roger Collins <roger@ProProject.com>
9901 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
9903 2001-01-24 Will Cohen <wcohen@redhat.com>
9905 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
9906 whether registers are 32 bits or 64 bits in size.
9908 2001-01-24 Ben Elliston <bje@redhat.com>
9910 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
9912 2001-01-24 Richard Henderson <rth@redhat.com>
9914 * config/alpha/alpha.md (builtin_longjmp_internal): New.
9915 (builtin_longjmp): Use it instead of emit_indirect_jump.
9917 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
9919 * bb-reorder.c (make_reorder_chain_1): Handle case where
9920 jump edge goes to the same block as the fallthru edge.
9922 2001-01-23 Jim Wilson <wilson@redhat.com>
9924 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9925 * frame.h (__ia64_personality_v1): Add prototype.
9926 * libgcc2.c (ia64_throw_helper): Change personality declaration to
9927 prototype form. Add void * cast to first argument to personality
9929 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
9930 (asctoe113): Likewise.
9931 * config/ia64/frame-ia64.c: Include eh-common.h.
9932 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
9934 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
9936 (itanium_split_issue): Add prototype.
9937 (gen_nop_type): Ifdef out.
9938 (find_best_packet): Initialize best_packet.
9939 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
9941 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
9942 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
9943 (flushrs): Add explicit stop bit at end.
9944 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
9947 2001-01-23 Chris Demetriou <cgd@broadcom.com>
9949 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
9951 * libgcc2.c (__terminate_func): Make variable static.
9952 (__terminate_set_func): New function to set __terminate_func.
9953 * libgcc2.h (__terminate_func_ptr): New typedef.
9954 (__terminate_set_func): New function.
9956 2001-01-23 Richard Henderson <rth@redhat.com>
9958 * flow.c (init_propagate_block_info): Don't consider unchanging
9959 memories for dead frame store elimination.
9961 2001-01-23 Richard Henderson <rth@redhat.com>
9963 * varasm.c (UNIQUE_SECTION): Move default implementation ...
9964 * defaults.h: ... here.
9966 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9968 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
9970 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
9972 * c-lex.c (lex_charconst): Fix typo: s/p/str.
9974 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9976 * rs6000.h (rs6000_return_addr): Move prototype from here...
9977 * rs6000-protos.h (rs6000_return_addr): ...to here.
9978 (rs6000_init_expanders): Delete prototype.
9980 2001-01-23 Nick Clifton <nickc@redhat.com>
9982 * invoke.texi: Replace , with \, inside @gccoptlist macros.
9983 (Spec Files): Document %B and %j and %. and %v3 and %M and
9984 %{S*&T} spec switches.
9986 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9988 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
9990 2001-01-23 Chris Demetriou <cgd@sibyte.com>
9991 Neil Booth <neil@daikokuya.demon.co.uk>
9993 * cpperror.c: Merge handlers of PEDWARN and WARNING.
9994 Have -Werror make pedantic warnings errors, like the
9997 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9999 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
10001 2001-01-23 Jakub Jelinek <jakub@redhat.com>
10003 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
10004 * integrate.c (expand_inline_function): Initialize them.
10005 (subst_constants): If changing COMPARE so that both its arguments
10006 will be VOIDmode and the comparison mode will be lost, note
10007 compare_mode. Use the recorded compare_mode to optimize
10010 2001-01-23 Jason Merrill <jason@redhat.com>
10012 * dwarf2out.c (new_die): Use xcalloc.
10013 (output_die): Abort rather than emit a local reference to offset 0.
10015 2001-01-17 Andrew Haley <aph@redhat.com>
10017 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
10018 of a saved register; return NULL instead.
10019 (copy_reg): Take a pointer to a source register rather than a
10021 (next_stack_level): Remember the address in the stack frame of all
10023 Use the saved register pointer array as the source of the CFA.
10024 (throw_helper): Rewrite. Unwind once rather than twice and keep
10025 track of saved registers as we go.
10027 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10029 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
10030 * c4x.c (c4x_legitimize_reload_address): Remove.
10031 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
10032 reload address for ldp(k) insn.
10034 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
10036 * pa.md (return_internal): Add a USE of the PIC register to ensure
10037 it is restored after each call.
10038 (return expander): Corresponding changes.
10040 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10042 * rs6000.h (INIT_EXPANDERS): Delete.
10043 (RETURN_ADDR_RTX): Call rs6000_return_addr().
10044 * rs6000.c (rs6000_override_options): Call *_machine_status from
10046 (rs6000_init_expanders): ...instead of here. Delete.
10047 (rs6000_mark_machine_status): New function.
10048 (rs6000_init_machine_status): Use xcalloc.
10049 (rs6000_return_addr): Generate RTX for the return address.
10050 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
10051 (rs6000_stack_info): Use it.
10053 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
10055 * gthr-win32.h: Include errno.h to get a declaration for
10056 EINVAL and _mingw.h if the target is mingw32.
10058 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
10060 * cpp.texi: Correct typos.
10062 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10064 * explow.c (probe_stack_range): Ensure value passed to
10065 stack_check_libfunc is ptr_mode, not Pmode.
10067 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
10069 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
10070 case, don't use operand_subword to calculate a SUBREG that is
10073 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
10075 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10077 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
10078 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
10079 valid. If not replace it by equivalent insns.
10081 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10083 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
10084 contains SYMBOL_REF, LABEL_REF and CONST_INT.
10085 (c4x_U_constraint, symbolic_address_operand): Likewise.
10086 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
10088 (c4x_r11_set_p, c4x_check_laj_p): New functions.
10089 * c4x-protos.h (c4x_check_laj_p): Add prototype.
10090 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
10091 anulling slot because of silicon bug.
10092 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
10094 2001-01-22 Alan Modra <alan@linuxcare.com.au>
10096 * cppexp.c (parse_charconst): Change `mask' type to agree
10099 2001-01-21 Richard Henderson <rth@redhat.com>
10101 * config/i386/i386.c (ix86_asm_file_end): Disable putting
10102 pic_label_name in a linkonce section.
10104 2001-01-17 Philipp Thomas <pthomas@suse.de>
10106 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
10108 * configure: Regenerate.
10110 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
10112 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
10113 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
10115 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
10117 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
10118 If REVERSE nonzero then condition code in X must be reversed.
10119 (encode_section_info): Optimise if/else.
10120 (avr_function_value): Fix formatting.
10122 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
10123 (difficult_branch): Likewise.
10124 (rvbranch): Likewise.
10125 (difficult_rvbranch): Likewise.
10127 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
10129 * config/avr/libgcc.S: Fix comment.
10131 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10133 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
10135 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10137 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
10139 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10141 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
10142 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
10143 * configure, config.in: Regenerate.
10144 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
10145 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
10146 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
10147 (doprint.o): New rule.
10149 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
10151 * c-typeck.c (digest_init): Handle boolean types as scalars.
10153 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10155 * stmt.c (expand_return): Don't return anything if size is zero.
10156 Delete redundant assignment to BYTES.
10157 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
10159 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
10161 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
10162 the same as the default library function names.
10163 * config/avr/avr.md: Document special characters after '%'.
10164 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
10165 knowing which of the call-used registers are really clobbered.
10166 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
10167 New. Both quotient and remainder from one libgcc.S call.
10168 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
10169 clobber as few registers as possible.
10170 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
10172 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
10174 * cppmacro.c (funlike_invocation_p): Don't move back up to the
10175 context of the top of the stack.
10177 2001-01-20 Jakub Jelinek <jakub@redhat.com>
10179 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
10180 (fixup_var_refs_insns): ...here.
10182 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
10184 * function.c (fixup_var_refs_insns): Break up into
10185 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
10186 [loop over entire insn list], and fixup_var_refs_insns_with_hash
10187 [loop over hash table entries].
10188 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
10189 fixup_var_refs_insns_with_hash, to match above changes.
10191 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
10193 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
10194 (libgcc.a): Likewise.
10195 (stmp-multilib): Likewise.
10196 (STAGE2_FLAGS_TO_PASS): Likewise.
10198 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
10200 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
10201 temporary if no_new_pseudos.
10203 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
10205 * cppinternals.texi: Update.
10207 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
10209 * arm.c (arm_init_builtins): Re-enable builtins.
10211 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10213 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
10214 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
10215 element to be null, and always expect an EXPR_LIST.
10216 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
10217 * sched-deps.c (sched_analyze_1): Likewise.
10218 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10220 * regclass.c (max_set_parallel): New variable.
10221 (reg_scan): Take it into account in computation of max_parallel.
10222 (reg_scan_mark_refs, case SET): Compute it.
10224 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
10226 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
10227 * function.c (assign_parms): Use INTVAL for a CONST_INT.
10229 2001-01-19 Jason Merrill <jason@redhat.com>
10231 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
10232 for the abstract instance of an inline function.
10234 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
10235 J"orn Rennecke <amylaar@redhat.com>
10237 * reload1.c (move2add_note_store): Treat all registers directly or
10238 indirectly derived from a base register as members of the same set
10240 (reload_cse_move2add): Adjust accordingly. Take mode and offset
10241 of base register into account.
10243 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
10245 * alias.c (find_base_value): Recognize TRUNCATE.
10246 (record_set): In PLUS case, invalidate if other summand is also a
10249 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10251 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
10252 entry to be EXPR_LIST.
10253 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
10254 be an EXPR_LIST (but not null, which other code doesn't allow).
10255 (note_stores): Properly handle PARALLEL in SET.
10256 Recursively call for top-level PARALLEL.
10257 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
10258 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10260 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
10262 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
10264 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
10265 not pfile->skipping (== 0).
10267 2001-01-17 Nick Clifton <nickc@redhat.com>
10269 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
10272 2001-01-17 Jim Wilson <wilson@redhat.com>
10274 * invoke.texi (IA-64 options): Improve.
10276 2001-01-17 Tom Tromey <tromey@redhat.com>
10278 * invoke.texi (Optimize Options): Use `{}' to around @samp
10281 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
10283 * invoke.texi (-fno-guess-branch-probability): New option.
10285 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10287 * combine.c (try_combine): Don't set i3_subst_into_i2 for
10288 case of making new double-word constant.
10289 Revert last change: instead just test i3_subst_into_i2.
10291 2001-01-17 Jakub Jelinek <jakub@redhat.com>
10293 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
10294 Use q constraints instead of r.
10296 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
10298 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
10299 (machine_function): Define.
10300 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
10301 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
10302 pa_free_machine_status): New functions.
10303 (override_options): Set {init,mark,free}_machine_status to above.
10304 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10305 PIC_OFFSET_TABLE_REGNUM_SAVED.
10306 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10307 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
10308 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
10309 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
10310 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10312 2001-01-15 DJ Delorie <dj@redhat.com>
10314 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
10318 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10320 * flow.c (propagate_one_insn): Make trying to delete a prologue
10321 or epilogue insn an ICE, not a warning. Allow doing this if
10322 the current function returns with stack pointer depressed.
10324 * combine.c (try_combine): If i3_subst_into_i2, properly check for
10325 I3 having more than one SET.
10327 2001-01-16 Jim Wilson <wilson@redhat.com>
10329 * invoke.texi: Document IA-64 options.
10331 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
10332 (fixup_errata): Delete TARGET_A_STEP use.
10333 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
10334 (TARGET_SWITCHES): Delete -ma-step option.
10335 * config/ia64/ia64.md (all FP patterns): Delete %B0.
10336 (movqicc_astep, movqi_internal_astep, movhicc_astep,
10337 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
10338 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
10339 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
10340 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
10342 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
10343 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
10344 cmovsi_internal): Delete ! TARGET_A_STEP check.
10346 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10348 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
10349 possibility to report bugs via postal mail. Change a URL and
10350 merge in a nearly duplicate statement...
10351 (Bug Reporting): ...from here.
10352 (Service): Refer to the Bug Reporting section instead of
10353 duplicating an URL.
10354 (Contributing): Remove trivial explanations concerning snapshots.
10356 2001-01-16 Alan Modra <alan@linuxcare.com.au>
10358 * cppmain.c (general_init): Don't use ANSI prototype.
10360 2001-01-16 Tom Tromey <tromey@redhat.com>
10362 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
10364 2001-01-16 Richard Henderson <rth@redhat.com>
10366 * config/i386/i386.h: Fix comment typo.
10367 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
10368 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
10370 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10372 * gcc.c: Revert previous -fsyntax-only-related change; move
10375 2001-01-16 Jakub Jelinek <jakub@redhat.com>
10377 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
10378 inmode after checking GET_CODE (op).
10380 2001-01-16 Richard Henderson <rth@redhat.com>
10382 * flow.c (struct propagate_block_info): Add mem_set_list_len.
10383 (MAX_MEM_SET_LIST_LEN): New.
10384 (propagate_one_insn): Update mem_set_list_len.
10385 (invalidate_mems_from_autoinc): Likewise.
10386 (invalidate_mems_from_set): Likewise.
10387 (mark_used_regs): Likewise.
10388 (init_propagate_block_info): Likewise. Stop collecting memories
10389 when we reach MAX_MEM_SET_LIST_LEN.
10390 (mark_set_1): Likewise.
10392 2001-01-16 Richard Henderson <rth@redhat.com>
10394 * unroll.c (precondition_loop_p): Fail if no iteration
10397 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10399 * gcc.c: When -fsyntax-only is given, do not complain about
10402 2001-01-15 Richard Henderson <rth@redhat.com>
10404 * config/i386/i386.c (asm_output_function_prefix): Remove.
10405 (ix86_asm_file_end): New.
10406 (load_pic_register): Generate pic_label_name into a
10407 staticly allocated buffer.
10408 * config/i386/i386-protos.h: Update.
10409 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
10410 (ASM_FILE_END): New.
10411 * config/i386/i386afe.h: New file.
10412 * config.gcc (i?86-*-elf) [tm_file]: Use it.
10413 (i?86-*-{freebsd,linux*,moss*}): Likewise.
10414 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
10415 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
10416 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
10417 * config/i386/sco5.h (ASM_FILE_END): Likewise.
10418 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
10420 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
10422 * Makefile.in (install-man): Remove explicit dependency on
10425 * configure.in, configure: Revert previous patch requiring perl
10428 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
10430 * toplev.c (flag_guess_branch_prob): New.
10431 (f_options): Add guess-branch-probability option.
10432 (rest_of_decl_compilation): Only estimate branch probability if
10434 (main): set flag_guess_branch_prob.
10436 * flags.h (flag_guess_branch_prob): New.
10438 2001-01-15 DJ Delorie <dj@redhat.com>
10440 * gcc.texi (Makefile): Add documentation for Makefile targets.
10442 2001-01-15 Philip Blundell <philb@gnu.org>
10444 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
10446 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
10447 (is_pic): Delete declaration.
10448 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
10449 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
10450 * config/arm/arm.md (builtin_setjmp_receiver): New.
10452 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10454 * arm.c (use_return_insn): Don't try to determine the function type
10455 until after reload has completed.
10456 (arm_output_epilogue): Don't adjust the sp value recovered from the
10458 (emit_multi_reg_push): Don't record dwarf information for the pc.
10459 * arm.md (eh_epilogue): The function type may have changed, so it
10460 needs to be recalculated.
10461 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
10462 unwind tables on arm/netbsd.
10464 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10466 * arm.md (cbranchsi4): Correct calculation of branch ranges.
10467 (negated_cbranchsi4): Likewise.
10469 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10471 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
10472 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10473 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
10474 pass -mapcs-* options to assembler.
10475 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
10476 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10477 (ASM_SPEC): Call subtarget_extra_asm_spec.
10479 2001-01-15 Andreas Jaeger <aj@suse.de>
10481 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
10483 (ix86_expand_builtin): Likewise.
10485 * gencodes.c (output_predicate_decls): Make i size_t to avoid
10486 warning about comparison between signed and unsigned.
10488 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10490 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
10492 2001-01-14 Ralf Baechle <ralf@gnu.org>
10494 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
10495 SUBTARGET_CPP_SPEC apropriatly.
10497 2001-01-12 Mark Mitchell <mark@codesourcery.com>
10499 * varasm.c (make_decl_rtl): Fix typo in last change.
10501 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
10503 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
10504 linker supports the init_priority C++ attribute.
10505 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
10506 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
10507 linker does not support init_priority C++ attribute.
10509 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
10511 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
10513 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10515 * c-parse.in (finish_parse): Add comment about cpp_destroy.
10516 * cp/lex.c (finish_parse): Similarly.
10517 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
10518 Return the number of errors encountered.
10519 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
10520 * cppmain.c (main): Don't call cpp_destroy.
10522 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
10524 * configure.in: Require at least perl 5.6.0 to regenerate
10526 * configure: Regenerate.
10528 2001-01-14 Richard Henderson <rth@redhat.com>
10530 * genrecog.c (DT_veclen_ge): New.
10531 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
10532 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
10533 (nodes_identical_1): Handle DT_veclen_ge.
10534 (write_cond, debug_decision_2): Likewise.
10536 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10538 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
10540 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
10542 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10544 * cppmain.c (do_preprocessing): New function; most of the old
10546 (main): Call it to do most of the work.
10547 (cb): Move from global scope to set_callbacks ().
10548 (setup_callbacks): Get the callback pointer.
10549 (general_init, printer_init): Clean up code and comments.
10551 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10553 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
10556 2001-01-14 Kazu Hirata <kazu@hxi.com>
10558 * config/h8300/h8300.c (get_shift_alg): Update comments.
10560 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10562 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
10563 (alloc_page, ggc_alloc): Add casts to remove warnings.
10565 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10567 * combine.c (simplify_comparison): Don't change `code' when
10568 can't reverse comparison.
10570 2001-01-14 Richard Henderson <rth@redhat.com>
10572 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
10573 update all call sites. Return true for all non-label constants.
10575 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
10577 * i386.c (ix86_expand_compare): Add bypass_test and second_test
10579 (ix86_expand_branch): Update.
10580 (ix86_expand_setcc): Update to handle multiple test conditions.
10581 (expand_int_movcc): Likewise.
10582 (expand_fp_movcc): Likewise.
10583 * i386-protos.h (ix86_expand_compare): New.
10584 * i386.md (andqi_?_slp, orqi_?_slp): New.
10585 (conditional trap expander): Update call to ix86_expand_compare.
10587 2001-01-14 Richard Henderson <rth@redhat.com>
10589 * config/vax/vax.md: Use nonimmediate_operand instead of
10590 general_operand in destinations.
10592 * config/vax/vax.md (indirect_jump): Use register_operand.
10594 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
10595 * config/vax/vax.md (call_pop): Turn into an expander.
10596 (call_value_pop): Likewise.
10597 (call, call_value): New.
10599 2001-01-14 Andreas Jaeger <aj@suse.de>
10601 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
10603 (ix86_fp_compare_mode): Add unused attribute.
10604 (ix86_expand_fp_movcc): Remove unused variable.
10605 (ix86_expand_builtin): Make fcode unsigned.
10607 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
10608 (expand_expr): Add cast to avoid signed warning.
10609 (store_field): Likewise.
10610 (store_constructor_field): Likewise.
10611 (store_constructor): Likewise.
10612 (store_expr): Likewise.
10613 (clear_storage): Likewise.
10614 (emit_group_store): Likewise.
10615 (emit_group_load): Likewise.
10617 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10619 * c-common.c: Move format checking code to ...
10620 * c-format.c: ... here. New file. Reorder some functions and
10622 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
10624 * c-common.h (decl_handle_format_attribute,
10625 decl_handle_format_arg_attribute): Declare.
10626 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
10627 (c-common.o): Adjust dependencies.
10628 (c-format.o): New list of dependencies.
10630 2001-01-13 Jakub Jelinek <jakub@redhat.com>
10632 * unroll.c (loop_iterations): If we cannot prove iteration variable
10633 is set once in each iteration, punt.
10635 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
10637 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
10638 (*strlenhi): Remove clobber (which was buggy) of output address.
10640 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10642 * Makefile.in (generated-manpages): Add gcc.1
10643 ($(srcdir)/gcc.1): New target.
10644 (maintainer-clean): Delete $(srcdir)/gcc.1.
10645 * gcc.texi: Add macros @gccoptlist and @gol.
10646 * invoke.texi: Include option summary in manpage. Mark up option
10647 summary with @gccoptlist and @gol. Use @r in one place where
10649 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
10650 * gcc.1: Generate from invoke.texi.
10652 2001-01-13 Richard Henderson <rth@redhat.com>
10654 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
10655 (struct page_entry): Add group member.
10656 (struct page_group): New.
10657 (struct globals): Add page_groups member.
10658 (alloc_anon): Only define for using mmap; remove valloc call.
10659 (page_group_index): New.
10660 (set_page_group_in_use): New.
10661 (clear_page_group_in_use): New.
10662 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
10663 (free_page, release_pages): Likewise.
10664 * configure.in (with-gc): Default to ggc-page always.
10666 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10668 * reload1.c (replace_pseudos_in_call_usage): Use
10669 reg_equiv_constant and reg_equiv_address, and don't try
10670 regno_reg_rtx first.
10672 2001-01-13 Richard Henderson <rth@redhat.com>
10674 * ggc-page.c (alloc_page): Round up allocation size to one page.
10675 Set e->order on extra pages.
10677 2001-01-13 Richard Henderson <rth@redhat.com>
10679 * genrecog.c (nodes_identical): Expand commentary.
10680 (write_switch): Watch out for identical nodes.
10682 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10684 * cppfiles.c (_cpp_fake_include): New function.
10685 * cpphash.h (_cpp_fake_include): New.
10686 * cpplib.c (do_line): Call _cpp_fake_include when entering
10687 header files in preprocessed input.
10688 * cppmain.c (cb_pragma_implementation): Remove handling.
10689 (setup_callbacks): Don't register pragmas.
10691 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10693 * extend.texi: Udate for CPP.
10695 2001-01-13 Andreas Jaeger <aj@suse.de>
10697 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
10699 * regmove.c: Add prototype for replace_in_call_usage.
10701 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10703 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
10704 struct cpp_chunk, struct htab, struct toklist,
10705 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
10706 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
10707 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
10708 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
10709 (struct macro_args): Delete.
10710 * cpphash.h: See above.
10712 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10714 * cppmain.c (struct printer): Remove no_line_dirs.
10715 (options, cb): New.
10716 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
10717 : Use options rather than CPP_OPTION.
10718 (setup_callbacks): Use cb rather than pfile->cb.
10719 (main): No need to check for a buffer. Use cpp_errors.
10720 (printer_init): Don't set no_line_dirs.
10721 (maybe_print_line): Use options not no_line_dirs.
10722 (cb_file_change): Don't call print_line if -P.
10724 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10726 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
10728 * c-parse.in (finish_parse): Use cpp_errors.
10729 (__yylex): Use return value of cpp_pop_buffer.
10730 * cp/lex.c (finish_parse): Use cpp_errors.
10731 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
10733 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
10735 * README.AVR: URLs corrected.
10737 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10739 * c-decl.c (start_function): Don't warn if old prototype is builtin
10740 that's not in C's namespace.
10741 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
10742 (_bb): Add prototype for ctime.
10743 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
10745 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
10747 * i386.c (ix86_fp_comparison_arithmetics_cost,
10748 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
10749 ix86_fp_comparison_cost): New functions.
10750 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
10751 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
10752 two-branch sequences; make static.
10753 (ix86_use_fcomi_compare): Do decision according to the costs.
10754 (split_fp_branch): New.
10755 * i386.md (compare-and-branch patterns): Use split_fp_branch.
10756 * i386-protos.h (ix86_expand_fp_compare): Remove
10757 (ix86_split_fp_branch): Declare.
10759 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
10760 and ix86_comparison_operator.
10762 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
10763 to make it cheaper.
10765 * i386.c (put_condition_code): Output properly the unordered/ordered
10766 compares in fp case.
10767 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
10769 * tm.texi (REVERSE_CONDITION): Document.
10770 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
10771 in -ffast-math mode.
10772 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
10774 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10776 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
10778 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
10781 * config/sh/sh.c (mova_p): Fix test for mova_const.
10783 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10785 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
10786 cpp_get_options rather than dereferencing pfile and using
10788 * scan-decls.c (scan_decls): Use return value of
10789 cpp_pop_buffer rather than CPP_BUFFER.
10791 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10793 * cppinit.c (cpp_handle_option): help_only is now part of the
10794 cpp_options structure.
10795 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
10796 cpp_set_callbacks): New functions.
10797 * cpplib.h (cpp_callbacks): Break out as a named structure.
10798 (cpp_options): Move help_only here from cpp_reader.
10799 (CPP_FATAL_ERRORS): Update to use cpp_errors.
10800 (cpp_errors, cpp_get_options, cpp_get_callbacks,
10801 cpp_set_callbacks): New prototypes.
10802 * cppmain.c (main): Update for help_only.
10804 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10806 * Makefile.in (info, maintainer-clean, install-info, uninstall):
10807 Also build and remove and install and uninstall c-tree.info and
10809 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
10810 ($(srcdir)/cppinternals.info): New target.
10811 * c-tree.texi: Change file name used when makeinfo used without -o
10812 from ir.info to c-tree.info. Add info directory entry.
10813 * cppinternals.texi: Add info directory entry.
10814 * .cvsignore: Update.
10816 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10818 * c-typeck.c (store_init_value): Don't require constant initializer
10819 elements with -pedantic -std=c99.
10820 (digest_init): Change error about non-constant initializer elements
10822 (constructor_range_end): Remove.
10823 (constructor_incremental, designator_depth,
10824 designator_errorneous): New variables.
10825 (struct constructor_stack): Remove range_end, add incremental.
10826 (struct constructor_range_stack, constructor_range_stack): New.
10827 (struct initializer_stack): Add constructor_range_stack.
10828 (finish_init): Set it.
10829 (start_init): Likewise. require_constant_elements for non-static
10830 trees only if not flag_isoc99.
10831 (really_start_incremental_init): Remove constructor_range_end, add
10832 constructor_incremental.
10833 (pop_init_level): Likewise.
10834 (push_init_level): Likewise. If implicit and the subobject had some
10835 value set already, preinitialize the level with it.
10836 Warn about missing braces only if not pushing due to designators.
10837 (set_designator, push_range_stack): New functions.
10838 (set_init_label): Use them.
10839 (set_init_index): Likewise. Remove constructor_range_end.
10840 Error if designator index is outside of array bounds.
10841 (add_pending_init): Compare values of purpose index trees, not the
10842 trees themselves. Allow overwriting of already initialized element.
10843 Issue a warning if it had side-effects.
10844 (set_nonincremental_init, set_nonincremental_init_from_string): New
10846 (pending_init_member): Rename to...
10847 (find_init_member): ...this function. Call set_nonincremental_init
10848 if necessary. Compare values of purpose index trees, not the trees
10849 themselves. Return the actual value, not just non-zero if something
10851 (output_init_element): Remove checks for duplicates.
10852 If field has zero size, only check the initializer for correctness.
10853 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
10854 if constructor_incremental is zero. Change error about initializers
10855 not computable at load time into pedwarn.
10856 (output_pending_init_elements): Compare bit positions, not
10857 FIELD_DECLs to take into account zero-sized fields.
10858 (process_init_element): Use constructor_range_stack to fill all
10859 ranges in the designator lists from current level up.
10860 * extend.texi: Update documentation for labeled elements.
10862 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
10864 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
10865 to function usage for arguments passed by reference. Optimize
10866 callee-copied arguments.
10867 * regmove.c (replace_in_call_usage): New function.
10868 (fixup_match_1): Call it.
10869 * cse.c (cse_insn): Canonicalize registers in function usage.
10870 * reload1.c (replace_pseudos_in_call_usage): New function.
10873 * Makefile.in: Reverted yesterday's wrong patch. Installed the
10876 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10878 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
10881 2001-01-12 DJ Delorie <dj@redhat.com>
10883 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
10884 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
10887 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10889 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
10890 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
10891 -std options alongside references to -ansi. Update some
10892 documentation for C99.
10893 * cpp.1: Regenerate.
10895 2001-01-12 Andreas Jaeger <aj@suse.de>
10897 * haifa-sched.c (restore_line_notes): Remove argument block B
10899 * sched-ebb.c (schedule_ebb): Change caller.
10900 * sched-rgn.c (schedule_region): Likewise.
10901 * sched-int.h (restore_line_notes): Adjust prototype.
10903 * loop.h: Remove wrong declaration of doloop_condition_get.
10905 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10907 * extend.texi: Move C++-extension-related node from the C section
10908 into the C++ section.
10910 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10912 * extend.texi: Refer to an array of pointers to functions instead
10913 of one of functions.
10915 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
10916 Jan Hubicka <jh@suse.cz>
10918 * combine.c (reversed_comparison): Fix typo in last patch.
10920 (combine_reversed_comparison_code): Make static to follow
10921 prototype declaration.
10923 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10925 * install.texi: Remove misplaced duplicate entry.
10927 2001-01-11 Ulrich Drepper <drepper@redhat.com>
10929 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
10931 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
10933 * final.c: (leaf_function_p): Fix typo.
10935 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
10937 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
10938 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10940 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
10941 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
10942 mmap_anon, and valloc is available.
10943 * ggc-page.c: Restructure ifdef logic to match new autoconf
10944 spec. Don't throw away the test page in init_ggc.
10946 * configure, config.in: Regenerate.
10948 2001-01-12 Michael Hayes <mhayes@redhat.com>
10950 * loop.h (total_biv_increment): Constify iv_class pointer.
10951 (struct induction): Replace `mem_mode' with `mem' rtx.
10952 * unroll.c (total_biv_increment): Constify iv_class pointer.
10953 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
10954 (find_mem_givs, combine_givs_p): Likewise.
10955 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
10957 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
10959 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
10961 (__gthread_getspecific): Ditto.
10963 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
10965 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
10966 put_condition_code): Convert fp comparison codes to integer
10968 (ix86_expand_fp_compare): Postnote the fp comparison code converison
10971 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
10972 * i386-protos.h (no_comparison_operator): Kill.
10974 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
10976 * combine.c (REVERSIBLE_CC_MODE): Remove.
10977 (reversible_comparison_p): Remove.
10978 (combine_reversed_comparison_code): New.
10979 (reversed_comparison): New.
10980 (combine_simplify_rtx): Use
10981 combine_reversed_comparison_code/reversed_comparison instead
10982 of reversible_comparison_p.
10983 (simplify_if_then_else): Likewise.
10984 (simplify_set): Likewise.
10985 (simplify_logical): Likewise.
10986 (if_then_else_cond): Likewise.
10987 (known_cond): Likewise.
10988 (simplify_comparison): Likewise.
10990 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
10992 * builtins.c (std_expand_builtin_va_start): Handle varargs when
10993 sizeof (int) is larger than sizeof(__word__).
10995 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10997 * cppinit.c (do_includes): Fix typo.
10999 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11001 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
11002 in S_REGS does not occur because not all sources are possible
11003 when a S_REGS is a destination (sometimes needs a clobber).
11004 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
11005 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
11006 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
11007 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
11008 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
11009 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
11010 (lshrdi_const1, lshrsi3_const16): Likewise.
11011 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
11012 (*movhi_68hc12, *movqi_68hc12): Likewise.
11013 (movstrictqi): Make sure reloading in D_REGS as a destination
11016 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11018 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11020 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11022 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
11023 -D, -U and -A, and don't initialize the builtins.
11024 (do_includes): Error if -include or -imacros with -fpreprocessed.
11025 * cppmain.c (cb_define, cb_undef): Unconditionally process
11027 * tradcpp.c (main): Fix typo.
11029 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
11031 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
11032 (read_name_map): Use IS_ABSOLUTE_PATH.
11033 * tradcpp.c (get_filename): Likewise.
11035 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11037 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
11038 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
11039 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
11040 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
11041 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
11042 (cmphi_z_used): Don't use '@' for the output.
11043 (tstqi_z_used): Likewise.
11044 (cmpqi_z_used): Likewise.
11045 (one_cmplsi2): Likewise.
11047 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11049 * config/sh/sh.c (barrier_align): Recognize branch around far
11050 branch and redundant insn.
11052 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11054 * invoke.texi: Restore documentation of the drivers' switches -MD
11057 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11059 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
11061 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
11062 check-objc//%): Support parallel testing of multilibs.
11063 (TESTSUITEDIR): Set to testsuite by default, but override for
11065 (check-gcc, check-g++, check-g77, check-objc): Enter
11068 2001-01-11 Bernd Schmidt <bernds@redhat.com>
11070 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
11071 * sched-deps.c (deps_may_trap_p): Likewise.
11072 * basic-block.h: Remove a comment.
11073 * flow.c (PROP_POSTRELOAD): Remove.
11074 (update_life_info): Don't add it to prop_flags.
11075 (mark_set_1): Lose the code that was enabled by it.
11077 2001-01-11 Michael Hayes <mhayes@redhat.com>
11079 * flow.c (flow_call_edges_add): New.
11080 * basic_block.h (flow_call_edges_add): New.
11082 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
11084 * reload1.c (move2add_note_store): Update reg_set_luid even if
11085 base reg remains the same.
11087 2001-01-10 Nick Clifton <nickc@redhat.com>
11089 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
11090 machine_function structure to zero.
11091 Add prototypes for machine_status functions.
11093 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11095 * c-common.h (CTI_VOID_LIST): Remove.
11096 (void_list_node): Likewise.
11097 * tree.h (TI_VOID_LIST_NODE): New enumeral.
11098 (void_list_node): New macro.
11099 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
11100 * config/i386/i386.c (ix86_init_builtins): Likewise.
11101 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
11103 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11105 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
11106 * cppinit.c (cpp_start_read): Update comment, remove unneeded
11108 * tradcpp.c: Include mkdeps.h.
11109 (deps, print_deps_phony_targets, deps_append, output_deps,
11110 init_dependency_output, output_deps): New.
11111 (deps_buffer, deps_allocated_size, deps_size, deps_column,
11112 deps_output): Delete.
11113 (print_deps_missing_files): Rename deps_missing_files.
11114 (inhibit_output): Make global.
11115 (main): Delete inhibit_output, deps_stream, deps_target.
11116 Use mkdeps functionality in the same way as cpplib. Remove
11117 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
11118 -M and -MM. Remove old handling of deps via deps_out, and
11119 old reading of environment variables.
11120 (get_filename): Update to use deps_add_dep.
11122 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11124 * output.h (make_function_rtl): Remove prototype.
11125 (make_decl_rtl): Likewise.
11126 * varasm.c (make_function_rtl): Remove.
11127 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
11128 than from a third parameter.
11129 * tree.h (make_decl_rtl): Remove last parameter.
11130 * c-decl.c (builtin_function): Remove last argument in call to
11131 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
11132 (start_function): Likewise.
11133 * except.c (call_get_eh_context): Likewise.
11134 * expr.c (emit_block_move): Likewise.
11135 (clear_storage): Likewise.
11136 * profile.c (output_func_start_profiler): Likewise.
11137 * toplev.c (rest_of_decl_compilation): Likewise.
11138 * objc/objc-act.c (create_builtin_decl): Likewise.
11139 (synth_module_prologue): Likewise.
11140 (generate_static_reference): Likewise.
11141 (build_selector_reference_decl): Likewise.
11142 (build_class_reference_decl): Likewise.
11143 (build_objc_string_decl): Likewise.
11144 (build_protocol_reference): Likewise.
11146 2001-01-10 Richard Henderson <rth@redhat.com>
11148 * hwint.h: Revert yesterday's change.
11150 2001-01-10 Nick Clifton <nickc@redhat.com>
11152 * function.h (save_machine_status): Delete.
11153 (restore_machine_status): Delete.
11154 Amend comment describing {init|mark|free}_machine_status.
11156 * function.c (save_machine_status): Delete.
11157 (restore_machine_status): Delete.
11158 Amend comment describing {init|mark|free}_machine_status.
11159 (push_function_context_to): Remove invocation of
11160 save_machine_status.
11161 (pop_function_context_from): Remove invocation of
11162 restore_machine_status.
11164 * emit-rtl.c (init_emit_once): Amend comment describing
11165 {init|mark|free}_machine_status.
11167 * tm.texi (Per-Function Data): New node. Describe the
11168 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
11171 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11173 * cppinit.c (OPT_g): Remove.
11174 (cpp_handle_option): Update for removed -g3.
11175 (print_help): Update.
11176 * cpplib.h (struct cpp_options): Remove debug_output.
11177 * cppmain.c (setup_callbacks, cb_define): Update.
11178 * gcc.c (cpp_options): Translate -g3 to -dD.
11180 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
11182 * config/i960/i960.md: Change modifier to + on the zero_extract
11183 pattern after the (rotate -2 reg) canonicalization pattern.
11185 2001-01-10 Richard Henderson <rth@redhat.com>
11187 * config/alpha/alpha.c (alpha_free_machine_status): New.
11188 (override_options): Install it.
11189 (alpha_mark_machine_status): Verify machine non-null.
11190 * config/i386/i386.c (ix86_free_machine_status): New.
11191 (override_options): Install it.
11192 (ix86_init_machine_status): Use xcalloc.
11193 (ix86_mark_machine_status): Verify machine non-null.
11194 * config/ia64/ia64.c (ia64_free_machine_status): New.
11195 (ia64_override_options): Install it.
11196 (ia64_mark_machine_status): Verify machine non-null.
11198 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
11200 * function.c (instantiate_virtual_regs): Instantiate virtual
11201 registers found in CALL_INSN_FUNCTION_USAGE.
11203 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11205 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
11206 equivalent to -ansi in disabling -Di386.
11208 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
11210 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
11212 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
11214 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
11216 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
11218 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11220 * invoke.texi: Document that -fcond-mismatch isn't supported for
11223 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11225 * gcc.texi: Define macro gcctabopt.
11226 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
11227 @command, @env and @option in some places where appropriate. Use
11228 @gcctabopt where appropriate. Put URLs and email addresses inside
11231 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
11233 * gcc.c (cpp_options): Set MD file name from output
11234 filename, if specified.
11235 (suffix_subst): New static variable.
11236 (do_spec): Clear it.
11237 (do_spec_1, case '.'): Handle new `%.suffix' spec.
11239 (give_switch): Handle suffix_subst.
11241 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11243 * invoke.texi: Fix another typo.
11245 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11247 * invoke.texi: Fix typo.
11249 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11251 * c-lang.c (lang_hooks): Update.
11252 (lang_decode_option): Remove.
11253 (lang_init_options): Rename c_init_options.
11254 * toplev.c (main): Use lang_hooks for lang_init_options
11255 and lang_decode_option.
11256 * toplev.h (lang_hooks): Add 2 new hooks.
11257 * tree.h: Remove lang_init_options and lang_decode_option.
11258 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
11259 * cp/decl2.c: Similarly.
11260 * cp/lex.c (lang_init_options): Rename cxx_init_options.
11261 (lang_hooks): Update.
11262 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
11264 (lang_init_options): Rename ffe_init_options.
11265 (lang_hooks): Update.
11266 (lang_decode_option): Remove.
11267 * java/lang.c (lang_init_options): Rename java_init_options.
11268 (lang_decode_option): Rename java_decode_option.
11269 (lang_hooks): Update.
11270 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
11271 (lang_decode_option): Rename objc_decode_option.
11272 (lang_hooks): Update.
11274 2001-01-09 Nick Clifton <nickc@redhat.com>
11276 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
11277 (d30v_return_addr_rtx): Delete.
11278 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
11279 cfun->machine structure.
11280 (struct machine_function): Move to d30v.h
11281 (d30v_save_machine_status): Delete.
11282 (d30v_restore_machine_status): Delete.
11283 (d30v_init_machine_status): New Function.
11284 (d30v_mark_machine_status): New Function.
11285 (d30v_free_machine_status): New Function.
11286 (d30v_init_expanders): Use new functions.
11287 (d30v_return_addr): Use ra_rtx field in cfun->machine.
11288 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
11289 d30v_return_addr_rtx.
11291 * config/d30v/d30v.h (struct_machine): Move here.
11292 Add eh_epilogue_sp_ofs field.
11294 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
11295 field in cfun->machine structure.
11297 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
11299 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
11300 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
11301 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11303 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
11305 * objc/lang-options.h: Remove bogus reference to
11308 2001-01-09 Kazu Hirata <kazu@hxi.com>
11310 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
11313 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
11315 * reload.c (find_reloads_address): Check for eliminable registers
11316 when substituting a constant expression for a pseudo.
11318 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
11320 * c-common.c (enum format_type): Add format_type_error.
11321 (decode_format_type): New function.
11322 (decl_attributes): Use it.
11323 (format_kind_info): Adjust comment.
11325 2001-01-09 David O'Brien <obrien@BSDi.com>
11327 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
11328 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
11330 * config/i386/gnu.h: Don't include required platform specific .h files,
11331 tm.h will do it instead.
11332 * config/i386/i386elf.h: Likewise.
11333 * config/i386/linux.h: Likewise.
11334 * config/i386/moss.h: Likewise.
11335 * config/mips/gnu.h: Likewise.
11337 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11339 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
11340 (rs6000-ibm-aix3.[01]*): Likewise.
11341 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
11342 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
11343 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
11344 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
11345 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
11346 (powerpc-*-eabiaix*): Likewise.
11347 (powerpc-*-eabisim*): Likewise.
11348 (powerpc-*-elf*): Likewise.
11349 (powerpc-*-eabi*): Likewise.
11350 (powerpc-*-rtems*): Likewise.
11351 (powerpc-*-linux*libc1): Likewise.
11352 (powerpc-*-linux*): Likewise.
11353 (powerpc-wrs-vxworks*): Likewise.
11354 (powerpcle-wrs-vxworks*): Likewise.
11355 (powerpcle-*-sysv*): Likewise.
11356 (powerpcle-*-elf*): Likewise.
11357 (powerpcle-*-eabisim*): Likewise.
11358 (powerpcle-*-eabi*): Likewise.
11359 (powerpcle-*-solaris2*): Likewise.
11360 * config/rs6000/aix31.h: Delete includes.
11361 * config/rs6000/aix3newas.h: Likewise.
11362 * config/rs6000/aix41.h: Likewise.
11363 * config/rs6000/aix43.h: Likewise.
11364 * config/rs6000/beos.h: Likewise.
11365 * config/rs6000/rtems.h: Likewise.
11366 * config/rs6000/sysv4.h: Likewise.
11368 2001-01-09 Kazu Hirata <kazu@hxi.com>
11370 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
11371 Change an argument mode of machine_mode to shift_mode of
11372 shift_mode. Remove an extra error check.
11373 (emit_a_shift): Adopt to the new calling prototype of
11375 (function_prologue): Fix code for a monitor
11376 function. Support H8/S.
11377 (function_epilogue): Do not output pop for a monitor function.
11379 2001-01-09 Nick Clifton <nickc@redhat.com>
11381 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
11382 (setup_incoming_varargs): Use sysv_varargs_p field of the
11383 cfun->machine structure.
11384 (struct machine_function): Move to rs6000.h
11385 (rs6000_save_machine_status): Delete.
11386 (rs6000_restore_machine_status): Delete.
11387 (rs6000_init_machine_status): New Function.
11388 (rs6000_free_machine_status): New Function.
11389 (rs6000_init_expanders): Use new functions.
11391 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
11393 (struct machine_function): Move here.
11395 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
11396 sysv_varargs_p field of the cfun->machine structure.
11398 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
11400 (rs6000_restore_machine_status): Remove prototype.
11402 2001-01-09 Richard Henderson <rth@redhat.com>
11404 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
11405 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
11406 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
11407 (sched_analyze_2, sched_analyze_insn): Likewise.
11408 (sched_analyze, init_deps): Likewise.
11409 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
11410 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
11411 (compute_block_backward_dependences): Update propagate_deps call.
11413 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
11415 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
11417 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11419 * cppinit.c (OPT_MD, OPT_MMD): Restore.
11420 (cpp_handle_option): Handle them.
11421 (cpp_post_options): Ensure one of -M or -MM is specified with
11422 any other -M? option.
11423 (init_dependency_output): Suppress output with -MG.
11425 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11427 * cpp.texi: Update.
11428 * invoke.texi: Update.
11430 2001-01-09 Bernd Schmidt <bernds@redhat.com>
11432 * sh.md (reload_outsf): Generate recognizable patterns for
11435 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11437 * c-lang.c (lang_hooks): Update.
11438 (lang_init): Rename c_init.
11439 (lang_finish): Remove.
11440 * toplev.c (compile_file): Use lang_hooks for lang_init ()
11441 and lang_finish ().
11442 * toplev.h (lang_hooks): Add init () and finish ().
11443 * tree.h (lang_init, lang_finish): Remove.
11444 * cp/tree.h (lang_init, lang_finish): Remove.
11445 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
11446 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
11448 (lang_init, lang_finish): Remove.
11449 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
11450 (lang_hooks): Update.
11451 * java/lang.c (lang_init): Rename java_init.
11452 (lang_finish): Remove.
11453 (lang_hooks): Update.
11454 * objc/objc-act.c (lang_init): Rename objc_init.
11455 (lang_finish): Remove.
11456 (lang_hoooks): Update.
11458 20001-01-09 Graham Stott <grahams@redhat.com>
11460 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
11461 after `ptr` is initialised.
11463 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11465 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
11466 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
11467 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
11468 stack adjusts, instead of r3.
11470 2001-01-09 Michael Hayes <mhayes@redhat.com>
11472 * flow.c (flow_loop_scan): Break out of ...
11473 (flow_loops_find) ... here.
11474 * basic-block.h (flow_loop_scan): New.
11475 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
11476 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
11478 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11480 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
11482 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
11483 realloc()ing macro_buffer.
11485 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
11486 if it's wider than long and the target's long is wider than the
11489 2001-01-09 Mark Mitchell <mark@codesourcery.com>
11491 Remove support for using UWIN as a host machine.
11492 * configure.in: Issue an error message.
11493 * configure: Regenerated.
11494 * config.gcc: Remove xm_* UWIN configury.
11495 * config/i386/xm-uwin.h: Remove.
11497 2001-01-08 Nick Clifton <nickc@redhat.com>
11499 * config/v850/v850.c (ra_rtx): Delete.
11500 (v850_save_machine_status): Delete.
11501 (v850_restore_machine_status): Delete.
11502 (v850_init_machine_status): New function.
11503 (v850_mark_machine_status): New function.
11504 (v850_free_machine_status): New function.
11505 (v850_return_addr): Use ra_rtx field in machine structure.
11506 (v850_init_expanders): Use new functions.
11508 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
11509 * config/v850/v850.c: Change arguments to v850_output+* functions
11510 to take a const char *, to avoid compile time warning.
11511 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
11512 (USER_LABEL_PREFIX): Redefine.
11514 2000-01-08 Jim Wilson <wilson@redhat.com>
11516 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
11517 1 to unsigned HOST_WIDE_INT before left shift.
11519 2001-01-08 Nick Clifton <nickc@redhat.com>
11521 * config/arm/arm.c (arm_mark_machine_status): Check to see if
11522 the machine structure has been allocated.
11523 (arm_free_machine_status): New function: Free the machine
11524 specific function structure.
11526 2001-01-08 Richard Henderson <rth@redhat.com>
11528 * jump.c (simplejump_p): Revert last change.
11530 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
11532 * cppinit.c (init): Rename init_library.
11533 (cpp_create_reader): Update.
11534 * gcc.c (cpp_options): If -o given, use it as the target of
11537 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11539 * arm.c (arm_arch5e): New variable.
11540 (all_cores): XScale is a 5TE device.
11541 (arm_override_options): Set arm_arch5e.
11542 (arm_init_builtins): __builtin_prefetch is in arch5e.
11543 * arm.h (arm_arch5e): Declare it.
11545 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
11547 * arm.md (define_constants): Add defines for UNSPEC and
11548 UNSPEC_VOLATILE insns. Update all users.
11549 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
11550 * arm.c (multi_register_push, note_invalid_constants)
11551 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
11552 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
11553 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
11555 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
11557 * jump.c (jump_optimize_1): Use reversed_comparison_code
11558 instead of can_reverse_comparison_p.
11559 (jump_back_p): Likewise.
11560 (invert_exp_1): Likewise.
11561 (thread_jumps): Likewise.
11562 * simplify-rtx.c (simplify_unary_operation): Likewise.
11563 (simplify_ternary_operation): Likewise.
11564 * cse.c (find_comparison_args): Convert to use
11565 can_reverse_comparison_p.
11566 (record_jump_equiv): Likewise.
11568 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11570 * arm.h (HARD_REGNO_RENAME_OK): Delete.
11571 (EPILOGUE_USES): Define.
11572 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
11573 automatically stack the LR if it isn't live.
11575 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
11577 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
11580 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
11582 * ggc-page.c (max_alignment): New structure.
11583 (MAX_ALIGNMENT): New macro.
11584 (init_ggc): Use it to round up the sizes in the
11585 extra_order_size_table.
11587 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11589 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
11592 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11594 * builtins.def (BUILT_IN_FPRINTF): New entry.
11596 * c-common.c (c_expand_builtin_fprintf): New function.
11597 (init_function_format_info): Handle __builtin_fprintf.
11598 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
11599 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
11601 * c-decl.c (duplicate_decls): Adjust comment.
11603 * extend.texi (fprintf): Document new builtin.
11605 2001-01-07 Richard Henderson <rth@redhat.com>
11607 * jump.c (simplejump_p): Recognize any single_set jump
11608 of the proper form.
11610 2001-01-07 Richard Henderson <rth@redhat.com>
11612 * configure.in (slibdir): Accept an --with-slibdir option.
11613 Use "test" not "[" in configure. Default to $(libdir).
11615 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
11617 * config/t-aix43 (SHLIB_INSTALL): Likewise.
11618 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
11619 (SHLIB_LINK): Create links for the soname.
11620 * config/mips/t-iris6: Likewise.
11621 * config/sparc/t-slibgcc: Likewise.
11622 * config/sparc/t-slibgcc-sld: Likewise.
11624 2001-01-07 Jakub Jelinek <jakub@redhat.com>
11626 * config/i386/i386.c (constant_call_address_operand): Accept
11627 (const (plus (symbol_ref) (const_int))).
11628 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
11629 constant_call_address_operand.
11631 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11633 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
11634 and LONG_LONG_TYPE_SIZE > 32.
11636 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11638 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
11639 the previous change.
11641 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
11643 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
11645 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
11646 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
11647 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
11650 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11652 * fix-header.c (read_scan_file): s/pfile/scan_in/.
11654 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11656 * c-lang.c (c_post_options): Call cpp_post_options.
11657 * objc/objc-act.c (objc_post_options): Similarly.
11658 * cppmain.c (main): Similarly.
11659 * fix-header.c (read_scan_file): Similarly.
11660 * cppinit.c (cpp_start_read): Move option consistency checks
11661 to cpp_post_options. Don't call init_dependency_output.
11662 If needed, add default target and main file dependency.
11663 (OPT_MD, OPT_MMD): Remove.
11665 (cpp_handle_option): Update for OPT_* changes.
11666 (cpp_post_options): New.
11667 (init_dependency_output): Command line -MF overrides environment
11668 variables. Don't set default target etc. Suppress output
11669 if dependencies are going to stdout.
11670 (print_help): Update.
11671 * cpplib.h (cpp_post_options): New.
11672 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
11674 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
11676 * jump.c (comparison_dominates_p): Support unordered compares.
11678 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
11680 * simplify-rtx.c (simplify_relational_operation): Always simplify
11681 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
11684 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
11686 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
11687 (nonzero_bits): Likewise.
11688 (simplify_comparison): Likewise.
11689 (num_sign_bit_copies): Likewise; return more sane value depending
11690 on STORE_FLAG_VALUE.
11691 (known_cond): Do not assume EQ to be always true for equivalent
11694 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
11696 * cse.c (fold_rtx): Handle unordered comparisons.
11698 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
11700 * rtlanal.c (set_of_1): New static function.
11701 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
11702 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
11703 reg_set_last_last_regno): Remove.
11704 (set_of): New global function.
11705 (set_of_data): New structure.
11706 (reg_set_p, reg_set_last): Revamp for set_of.
11707 * rtl.h (set_of): New.
11709 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
11711 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
11712 * extend.texi: Document _Exit builtin.
11714 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11716 * (initialize, initialize_builtins,
11717 initialize_dependency_output, initialize_standard_includes):
11718 Rename s/initialize/init. Update.
11719 (init_dependency_output): Move to after
11720 cpp_handle_options, the correct location temporally at least.
11721 (opt_comp): Move next to init (), its caller. Fix prototype.
11722 (init): Make "initialized" local scope.
11723 (cpp_create_reader): Always call init ().
11724 (cpp_start_read): Update.
11725 (output_deps): New function, broken out of cpp_finish.
11726 (cpp_finish): Break out output_deps.
11728 2001-01-07 Richard Henderson <rth@redhat.com>
11730 * collect2.c (COFF specific stuff): Revert 12-06 patch
11731 to prototype system functions.
11733 2001-01-07 Michael Hayes <mhayes@redhat.com>
11735 * hard-reg-set.h: Add multiple include guard.
11736 * basic-block.h (struct loop): Add `sink' field.
11737 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
11738 (emit_iv_add_mult): Delete.
11739 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
11740 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
11741 (unroll_loop): Remove end_insert_before argument.
11742 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
11743 (maybe_eliminate_biv_1): Likewise.
11744 (emit_iv_add_mult): Delete.
11745 (gen_add_mult, loop_regs_update): New.
11746 (loop_insn_emit_after, loop_insn_emit_before): New.
11747 (loop_insn_sink, loop_insn_sink_or_swim): New.
11748 (emit_iv_add_mult): Delete.
11749 (scan_loop): Set loop->sink.
11750 (loop_givs_reduce): Use loop_insn_sink and its ilk.
11751 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
11752 (maybe_eliminate_biv_1): Likewise.
11753 (maybe_eliminate_biv_1): Add basic block argument.
11754 * unroll.c (unroll_loop): Remove end_insert_before argument.
11755 (find_splittable_regs): Likewise.
11756 (find_splittable_regs): Use loop_insn_sink and its ilk.
11757 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
11759 2001-01-07 Michael Hayes <mhayes@redhat.com>
11761 * loop.h (loop_insn_hoist): New prototype.
11762 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
11763 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
11764 (check_dbra_loop, load_mems): Likewise.
11765 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
11766 (find_splittable_givs): Likewise.
11768 2001-01-07 Michael Hayes <mhayes@redhat.com>
11770 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
11772 2001-01-07 Richard Henderson <rth@redhat.com>
11774 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
11776 2001-01-07 Richard Henderson <rth@redhat.com>
11778 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
11779 NO_SHARED_LIBGCC_MULTILIB as required for the target.
11780 * gcc.c (init_spec): Massage the existing libgcc_spec into a
11781 variant that handles a shared libgcc.
11782 (process_command): Always validate -{static,shared}-libgcc.
11783 (do_spec_1): New 'M' case.
11784 * invoke.text (Link Options): Document -{static,shared}-libgcc.
11786 2001-01-07 Richard Henderson <rth@redhat.com>
11788 * Makefile.in (slibdir): New variable.
11789 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
11790 (installdirs): Create slibdir.
11791 (install-libgcc, install-multilib): Defer to libgcc.mk.
11792 * configure.in (slibdir): Substitute.
11793 * mklibgcc.in (install): New target.
11795 * config/t-linux (SHLIB_LINK): Create links for the soname.
11796 (SHLIB_INSTALL): New.
11797 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
11798 * config/mips/t-iris6 (SHLIB_INSTALL): New.
11799 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
11800 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
11801 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
11803 2001-01-07 Richard Henderson <rth@redhat.com>
11805 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
11806 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
11807 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
11809 2001-01-07 Michael Hayes <mhayes@redhat.com>
11811 * loop.c (count_loop_regs_set): Delete.
11812 (load_mems_and_recount_loop_regs_set): Delete.
11813 (loop_regs_scan): Merge common code from count_loop_regs_set,
11814 scan_loop, and load_mems_and_recount_loop_regs_set.
11815 (scan_loop): Call load_mems directly and loop_regs_scan
11816 again if new registers created.
11818 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11820 * toplev.c (main): Call the front-end specific post_options
11821 hook if one is given.
11822 * toplev.h (struct_lang_hooks, lang_hooks): New.
11823 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
11824 for the C front end.
11825 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
11826 lang_hooks for the C++ front end.
11827 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
11828 lang_hooks for the ObjC front end.
11829 * f/com.c (lang_hooks): Hooks for the Fortran front end.
11830 * java/lang.c (lang_hooks): Hooks for the Java front end.
11832 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11834 * c-lex.c (init_c_lex): Request #define / #undef callbacks
11835 for verbose DWARF[2] debugging.
11836 (cb_define, cb_undef): The new callbacks.
11837 * toplev.h (debug_define, debug_undef): Make const correct.
11838 * toplev.c (debug_define, debug_undef): Similarly. Do not
11839 perform the verbosity tests here anymore.
11841 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
11843 * reload.c (subst_reloads): Take INSN argument. When
11844 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
11845 * reload.h (subst_reloads): Adjust prototype.
11846 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
11847 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
11848 present in JUMP_INSNs and copy them to JUMP_LABEL.
11849 * flow.c (find_label_refs, find_basic_blocks_1): Skip
11850 JUMP_INSNs and insns with REG_LABELs that are followed by
11851 JUMP_INSNs with the same REG_LABEL.
11852 * sched-rgn.c (is_cfg_nonregular): Likewise.
11853 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
11855 * unroll.c (unroll_loop): Look for REG_LABEL notes in
11857 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
11859 2001-01-06 Richard Henderson <rth@redhat.com>
11861 * loop.c (scan_loop): Use xcalloc for the regs array.
11862 (load_mems_and_recount_loop_regs_set): Zero the new memory
11863 received from xrealloc.
11865 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
11867 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
11869 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
11871 * integrate.c (copy_rtx_and_substitute): When copying
11872 an ignored return value, strip REG_FUNCTION_VALUE_P.
11874 2001-01-06 Michael Hayes <mhayes@redhat.com>
11876 * loop.c (debug_biv, debug_giv): New.
11877 (loop_biv_dump): Break out from ...
11878 (record_biv): ... here.
11879 (loop_giv_dump): Break out from ...
11880 (record_giv): ... here.
11881 (loop_bivs_check): Use print_simple_rtl.
11882 * unroll.c (loop_iterations): Use print_simple_rtl.
11884 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
11886 * pa.md (return, return_internal): Modify patterns to prevent regrename
11887 mucking with the return pointer.
11889 2001-01-05 Richard Henderson <rth@redhat.com>
11891 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
11893 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
11895 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
11896 version supplied by Matteo Frigo.
11898 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11900 * cpp.texi: Update for -MQ.
11901 * cppinit.c (cpp_create_reader): Always create pfile->deps.
11902 (cpp_cleanup): Always free pfile->deps.
11903 (initialize_dependency_output): Don't create pfile->deps.
11904 (cpp_handle_option): Similarly.
11906 * gcc.c (cpp_options): Handle -MQ.
11907 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11908 * mkdeps.c (base_name): Remove.
11909 (deps_init): Don't allocate vector space until it's needed.
11910 (deps_free): Only free vectors if allocated.
11911 (deps_add_target, deps_add_dep): Update for initial allocation.
11912 (deps_add_default_target): Don't strip to the base_name.
11914 2001-01-05 DJ Delorie <dj@redhat.com>
11916 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
11917 (INIT_EXPANDERS): Define.
11919 * config/v850/v850.c (struct machine_function): Define.
11920 (v850_save_machine_status): New function.
11921 (v850_restore_machine_status): New function.
11922 (v850_return_addr): New function.
11923 (v850_init_expanders): New function.
11925 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
11926 and v850_init_expanders.
11928 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11930 * cpplib.h (struct cpp_reader): Add help_only field.
11931 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
11932 (cpp_handle_option): Set pfile->help_only if we see -h,
11933 --help, -target-help, or --version. Print version string but
11934 do not set help_only if we see -v or -version. Make text
11935 printed by -v match that printed by (-)-version.
11937 * cppmain.c (main): Exit after option parsing if
11938 pfile->help_only is true.
11940 * toplev.c (independent_decode_option): Call print_version,
11941 then exit, if we see --version (but not -version).
11942 (print_version): Split lengthy message into two lines.
11944 2001-01-05 Nick Clifton <nickc@redhat.com>
11946 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
11947 temporary string for initialisation before calling ggc_alloc_string.
11949 2001-01-06 Michael Hayes <mhayes@redhat.com>
11951 * rtl.h (print_simple_rtl): New.
11952 * print-rtl.c (print_simple_rtl): New.
11953 (flag_simple): New.
11954 (print_rtx): Disable printing of flags and modes, etc.,
11955 if `flag_simple` nonzero.
11957 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11959 * function.c (fixup_var_refs): Use push_to_full_sequence where
11962 2001-01-05 Michael Meissner <meissner@redhat.com>
11964 * flags.h (flag_reorder_blocks): Add declaration.
11965 (flag_rename_block): Ditto.
11967 2001-01-05 DJ Delorie <dj@redhat.com>
11969 * function.c (reorder_blocks): Make sure the flags are all reset
11970 before using them to mark blocks, else a second invocation will
11971 corrupt the block chain.
11972 (reorder_blocks_0): New, resets the flags.
11974 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
11976 * cse.c (find_comparison_args): Stop if the argument is known to
11979 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11981 * config/sh/sh.md (movdf): When splitting load into pair of
11982 registers, don't clobber the register used in the address too
11985 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
11987 * varasm.c (mark_constant_pool): Improve initial comments.
11988 (mark_constants): Move marking of constants to mark_constant.
11989 (mark_constant): New function to recursively mark all constants
11990 referred to by a constant.
11992 2001-01-05 Catherine Moore <clm@redhat.com>
11994 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
11996 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11998 * cp/lang-options.h: Bring comment in line with reality.
11999 * f/lang-options.h: Likewise.
12000 * java/lang-options.h: Likewise.
12001 * objc/lang-options.h: Likewise.
12002 * ch/lang-options.h: Likewise.
12003 * f/g77.texi: And update the manual.
12005 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
12006 Denis Chertykov <denisc@overta.ru>
12008 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
12009 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
12010 * config/avr/avr.md (all peepholes that request a scratch register):
12011 Call it, FAIL the peephole if not safe (in interrupt functions).
12013 2001-01-05 Mark Mitchell <mark@codesourcery.com>
12015 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
12017 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
12019 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
12021 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
12022 BUILT_IN_CREAL and BUILT_IN_CIMAG.
12023 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
12024 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
12025 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
12027 * extend.texi: Document these builtins.
12029 2001-01-05 Daniel Berlin <dberlin@redhat.com>
12031 * c-common.c (lang_get_alias_set): Say we know nothing of
12032 VECTOR_TYPE aliasing.
12034 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
12036 2001-01-05 Bruce Korb <bkorb@gnu.org>
12038 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
12039 their x* equivalent versions for atexit-less systems
12040 * fixinc/fixincl.c(main): do not return from main() on atexit-less
12041 systems (or any other system any more).
12043 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
12045 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
12046 output operands. Use arm_hard_register_operand for operand 4.
12047 (stmsi_postinc): Similarly.
12048 (ldmsi): Use arm_hard_register_operand for opernand 2.
12049 (stmsi): Similarly.
12050 * arm.c (arm_hard_register_operand): New function.
12051 * arm-protos.h (arm_hard_register_operand): Prototype it.
12053 * arm.h (HARD_REGNO_RENAME_OK): Define.
12055 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
12057 * simplify-rtx.c (cfc_args): add "unordered" field.
12058 (check_fold_consts): Set unordered field.
12059 (simplify_relational_operation): Simplify the unordered
12062 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
12065 * emit-rtl.c (try_split): Fix code to mark labels.
12066 * jump.c (mark_jump_label): Make global.
12067 * rtl.h (mark_jump_label): Declare.
12069 * predict.c (estimate_probability): Handle unordred comparisons.
12071 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12073 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
12074 * cppinit.c (initialize_dependency_output): Update.
12075 (cpp_finish): Output dummy targets for -MP.
12077 (cpp_handle_option): Handle -MP. Don't quote -MT options.
12078 * cpplib.h (struct cpp_options): Add deps_phony_targets.
12079 * gcc.c (cpp_options): Update to handle -MP.
12080 * mkdeps.c (deps_add_target, deps_add_default_target): Update
12081 to quote only the default target.
12082 (deps_phony_targets): Insert a preceding newline. Rename from
12083 deps_dummy_targets for consistency.
12086 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12088 * calls.c (emit_library_call_value_1): Support
12089 INIT_CUMULATIVE_LIBCALL_ARGS.
12090 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
12092 2001-01-04 Richard Henderson <rth@redhat.com>
12094 * c-decl.c (finish_struct): Detect flexible array members
12095 used in an inappropriate context.
12096 * c-typeck.c (really_start_incremental_init): Special case
12097 constructor_max_index for zero length arrays.
12098 (pop_init_level): Allow initialization of flexible array
12099 members. Deprecate initialization of zero length arrays.
12100 Don't issue missing initializer warning for flexible array
12101 members or zero length arrays.
12102 (process_init_element): Don't dereference null DECL_SIZE.
12103 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
12104 Don't abort for empty constructors. Use size_binop
12105 (output_constructor): Add commentary regarding zero length
12106 array futures. Abort if we try to initialize an array of
12107 unspecified length with a non-empty constructor in the middle
12110 * extend.texi (Zero Length): Update and clarify documentation
12111 on static initialization.
12113 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12115 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
12116 with more than 32767 words of local storage.
12118 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12120 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
12121 for 'abs', 'labs', and 'fabs'.
12122 (c4x_expand_builtin): Likewise.
12123 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
12125 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12127 * config/sh/sh.md (prget, prset): New insn types.
12128 (return delay slot): Dont' allow prset.
12129 (call, sfunc delay slot): Don't allow prget.
12130 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
12131 for prset and prget.
12133 2001-01-05 Michael Hayes <mhayes@redhat.com>
12135 * loop.h (struct loop_reg): New.
12136 (struct loop_regs): Change to use array of `struct loop_reg'.
12137 * loop.c: Replace assortment of varrays with single regs array.
12138 (count_one_set): Delete may_not_move array argument
12139 and use regs array instead. All caller's changed.
12140 (count_loop_regs_set): Delete may_not_move and single_usage
12141 arguments and use regs array instead. All caller's changed.
12142 (find_single_use_in_loop): Replace usage array argument with pointer
12143 to regs structure. All caller's changed.
12144 (loop_optimize): Delete `moved_once' array.
12146 2001-01-05 Michael Hayes <mhayes@redhat.com>
12148 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
12149 Use it instead of loop_info->has_call for scanning loop mems.
12150 (check_dbra_loop): Replace loop_info->has_call test with
12151 loop_info->has_nonconst_call.
12153 2000-01-04 Matthew Hiller <hiller@redhat.com>
12155 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
12158 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12160 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
12161 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
12163 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12165 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
12166 (flag_short_double, flag_short_wchar): Define.
12167 (c_common_nodes_and_builtins): Create many tree nodes shared
12168 between C and C++ here instead of in cp/decl.c and ...
12169 * c-decl.c (init_decl_processing): ... here.
12170 (SIZE_TYPE, WCHAR_TYPE): Don't define.
12171 (flag_short_double, flag_short_wchar): Don't define.
12172 (record_builtin_type): New function.
12173 (build_void_list_node): New function.
12174 * c-common.h (flag_short_double, flag_short_wchar,
12175 record_builtin_type, build_void_list_node): Declare.
12177 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
12179 * integrate.c (expand_inline_function): Don't put a virtual
12180 register into the reg map.
12182 * function.c (fixup_var_refs_1): If force_operand didn't put
12183 the address into the target, move it there.
12185 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12187 Special-case tree_decl/tree_list allocations.
12188 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
12189 (OBJECT_SIZE): New macro.
12190 (NUM_EXTRA_ORDER): Likewise.
12191 (extra_order_size_table): New variable.
12192 (NUM_ORDERS): New macro.
12193 (objects_per_page_table): New variable.
12194 (object_size_table): New variable.
12195 (G.pages): Use NUM_ORDERS to bound the array.
12196 (G.page_tails): Likewise.
12197 (DIV_ROUND_UP): Remove.
12198 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
12199 (alloc_page): Use OBJECT_SIZE.
12200 (size_lookup): Don't make it const.
12201 (ggc_alloc): Use OBJECT_SIZE.
12202 (ggc_set_mark): Likewise.
12203 (ggc_get_size): Likewise.
12204 (init_ggc): Set up the object_size_table, objects_per_page_table,
12205 and adjust size_lookup.
12206 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
12207 (ggc_pop_context): Use NUM_ORDERS.
12208 (clear_marks): Likewise.
12209 (sweep_pages): Likewise.
12210 (poison_pages): Likewise.
12211 (ggc_print_statistics): Use OBJECT_SIZE.
12213 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12215 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
12216 Only call array_size_for_constructor if last field and array type
12217 with no upper bound.
12219 2001-01-04 Philip Blundell <philb@gnu.org>
12221 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
12222 from bit 31 downwards, if this requires no more insns.
12223 (count_insns_for_constant): New helper function for above.
12225 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
12227 * gencodes.c (output_predicate_decls): Remove empty initializer.
12229 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12231 * tree.c (copy_node): Remove documentation about obstacks.
12232 (buidl1): Check that nobody tries to build 2-argument nodes this
12235 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12237 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
12240 * gencodes.c (output_predicate_decls): Fill empty initializer
12243 2001-01-04 Jakub Jelinek <jakub@redhat.com>
12245 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
12246 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
12248 (do_include): Handle missing headers like cpp0.
12249 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
12250 paths with first include pathname. Don't strcat to uninitialized
12253 2001-01-04 Bernd Schmidt <bernds@redhat.com>
12255 * regrename.c (regrename_optimize): Don't rename from frame pointer
12256 if frame_pointer_needed.
12257 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
12258 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
12259 (ia64_reorg): Use it instead of scheduling if ! optimize.
12260 (errata_emit_nops): Properly call asm_noperands.
12261 (ia64_sched_reorder): Finish cycle if we see an asm.
12262 (ia64_variable_issue): Clear scheduling state after asms.
12264 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
12266 * cpp.texi: Update for -MT.
12267 * cppinit.c (initialize_dependency_output): Add a default
12268 target if none has been given already.
12269 (no_tgt, OPT_MT): New.
12270 (cpp_handle_option): Handle -MT. Update -M etc.
12271 * cpplib.h (struct cpp_options): Remove deps_target.
12272 * gcc.c (cpp_options): Handle -MT.
12273 * mkdeps.c (struct deps): Move from mkdeps.h.
12274 (deps_calc_target): Rename deps_add_default_target. Add a
12275 default target if none has been specified already.
12276 * mkdeps.h (struct deps): Move to mkdeps.c.
12277 (deps_calc_target): Rename deps_add_default_target.
12279 2000-01-03 Richard Henderson <rth@redhat.com>
12281 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
12283 * c-typeck.c (push_init_level): Move checks for flexible array
12284 members and zero length arrays ...
12285 (pop_init_level): ... here. Silently discard empty initializations.
12287 * varasm.c (output_constructor): Update for sizeof change to
12288 zero-length arrays.
12290 * extend.texi (Zero Length): Clarify semantics.
12292 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12294 * configure.in (tm.h): Include isns-codes.h last.
12295 * configure: Rebuilt.
12297 2001-01-03 Richard Henderson <rth@redhat.com>
12299 * config/alpha/alpha.md (addvsi3, addvdi3): New.
12300 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
12302 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12304 * tradcpp.c (main): Make sure finclude() is called with a valid
12305 indepth value while handling -include.
12307 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12309 * gencodes.c (output_predicate_decls): New function.
12311 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
12312 even if it is not the first time machmode.h is #included.
12313 * config/sh/sh.c (fpul_operand): Declare MODE argument.
12314 * tm.texi (PREDICATE_CODES): Document predicate declarations.
12315 * gcc.texi (Copyright): Added 2001.
12317 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12319 * c-common.c (c_common_lang_init): New function. Warn if format
12320 warning options which only have effects when used with -Wformat
12321 are used without -Wformat.
12322 * c-common.h (c_common_lang_init): Declare.
12323 * c-lang.c (lang_init): Call c_common_lang_init.
12324 * objc/objc-act.c (lang_init): Call c_common_lang_init.
12326 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12328 * configure.in: Check for the mktemp command.
12329 * configure: Regenerate.
12330 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
12331 $TEMP. Create temporary files with mktemp, if available at
12332 configure time; otherwise use set -C. Remove temporary files
12335 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12337 * configure.in: Require at least texinfo 4.0. Check for whether
12338 Pod::Man is sufficiently recent to regenerate GCC manpages.
12339 * configure: Regenerate.
12340 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
12342 (GENERATED_MANPAGES): Define.
12343 (generated-manpages): New target. Depend on cpp.1 as well as
12345 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
12346 configure to generated-manpages or empty) rather than on the
12347 manpages directly. Remove execute permission from installed
12348 gcov.1 as well as cpp.1.
12349 * cpp.1, gcov.1: Regenerate.
12351 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12353 * builtins.c (expand_builtin_strncmp): Use host_integerp and
12354 tree_low_cst. Allow using cmpstrsi in more cases.
12356 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12358 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
12361 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
12363 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
12364 * Makefile.in (HOST_CFLAGS): Mention build-make.
12366 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12368 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
12371 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12373 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
12376 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
12379 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
12380 reg_base_value and reg_known_value arrays.
12381 (init_alias_analysis): Add more cases to detect known values.
12382 * sched-deps.c (deps_may_trap_p): New function.
12383 (sched_analyze_2): Use it.
12385 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12387 * combine.c (simplify_shift_const): Even if we're sign-extracting,
12388 don't discard an ASHIFTRT if we're shifting in a wider mode.
12390 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
12392 * toplev.c (rest_of_compilation): Don't print basic block information
12393 when CFG isn't up to date.
12395 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
12397 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
12398 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
12399 (UNALIGNED_SHORT_ASM_OP): Define.
12400 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
12402 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12404 * fold-const.c (fold_convert): Fix typo.
12406 2001-01-02 Richard Henderson <rth@redhat.com>
12408 * c-common.h (ASM_INPUT_P): New.
12409 * c-parse.in (asm): Set it when needed.
12410 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
12411 existance of an operand.
12413 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
12415 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
12416 (dwarf2out_frame_debug_expr): Likewise.
12417 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
12419 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
12421 * i386.c (ix86_split_to_parts): Return number of part required;
12423 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
12425 (ix86_split_long_move): Use number of part returned
12426 by ix86_split_to_parts
12427 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
12429 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
12430 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
12431 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
12432 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
12433 (ALIGN_MODE_128): Add TFmode.
12434 (IS_STACK_MODE): Likewise.
12435 (HARD_REGNO_NREGS): TFmode needs 3 registers.
12436 (HARD_REGNO_OK): Support TFmodes.
12437 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
12438 * i386.md (scheduler definitions): Use memory operand to determine
12439 fst/fld instructions; use mode attribute to determine real mode of
12441 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
12442 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
12444 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12446 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
12448 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12450 * expr.c (store_constructor_field): Update ALIGN before calling
12453 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12455 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
12458 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12460 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
12463 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12465 * c-decl.c (start_function): Don't warn on third parameter to main.
12467 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12469 * tsystem.h: Define HAVE_DECL_GETOPT.
12471 2001-01-02 Philip Blundell <pb@futuretv.com>
12473 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
12476 2001-01-02 Richard Henderson <rth@redhat.com>
12478 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
12480 2001-01-02 Andreas Jaeger <aj@suse.de>
12482 * c-decl.c (c_decode_option): Remove support of
12483 -Wmissing-noreturn.
12485 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
12486 (W_options): Add -Wmissing-noreturn here.
12488 * flow.c: Define lang_missing_noreturn_ok_p.
12489 (check_function_return_warnings): Use it.
12491 * c-common.h: Declare lang_missing_noreturn_ok_p.
12493 * c-lang.c (c_missing_noreturn_ok_p): New function.
12494 (lang_init): Set lang_missing_noreturn_ok_p.
12496 * invoke.texi (Warning Options): Document this.
12498 2000-12-27 Phil Edwards <pme@sources.redhat.com>
12500 * extend.texi (C++ Extensions): New node for C++ attributes;
12501 describe init_priority and com_interface.
12502 * invoke.texi: Remove -finit-priority as it now has zero effect.
12503 * install.texi: Fix xref syntax.
12504 * md.texi: Likewise.
12506 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12508 * config.gcc (sparc64-wrs-vxworks*): New case.
12509 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
12511 * config/sparc/sparc.c (sparc_override_options): Do support different
12512 pointer and architecture size.
12513 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
12514 (POINTERS_EXTEND_UNSIGNED): Define.
12515 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
12516 (FUNCTION_MODE): Define to be Pmode.
12517 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
12519 * function.c (expand_function_end): Properly handle DECL_RESULT
12520 and copy when ptr_mode != Pmode.
12521 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
12523 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12525 * c-common.c (c_common_nodes_and_builtins): Set prototype
12526 parameters for __builtin_fputs, __builtin_fputc and
12527 __builtin_fwrite. Don't declare plain fputc as a builtin.
12529 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
12531 * loop.c (add_label_notes): Increment the label usage count when
12532 a note is added to an insn which refers to a CODE_LABEL.
12533 * gcse.c (add_label_notes): Likewise.
12535 2001-01-01 Andreas Jaeger <aj@suse.de>
12537 * loop.c (scan_loop): Use xmalloc to allocate movables.
12539 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
12541 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
12542 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
12543 * reload1.c (REGISTER_MOVE_COST): Likewise.
12544 * regclass.c (REGISTER_MOVE_COST): Likewise.
12545 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
12546 dimension. Adjust all users.
12547 (init_reg_sets_1): Iterate on all modes.
12548 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
12549 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
12550 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
12551 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
12552 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
12553 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
12554 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
12555 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
12556 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
12557 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
12558 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
12559 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
12560 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
12561 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
12562 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
12563 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
12564 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
12565 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
12566 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
12567 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
12568 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
12569 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
12570 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
12571 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
12572 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
12573 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
12574 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
12576 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12578 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
12579 arg VARIES_P. Call it with extra arg.
12580 (true_dependence): Likewise.
12581 * rtl.h (rtx_addr_can_trap_p): Declare.
12582 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
12584 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
12585 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
12586 pic offset table register if it's zero. All callers changed.
12587 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
12589 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12591 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
12592 STRING_POOL_ADDRESS_P.
12594 * config/sparc/sparc.c (input_operand): Properly test for short op.
12596 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
12597 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
12598 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
12599 * config/sparc/elf.h: No longer include sol2.h.
12600 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
12601 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
12603 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
12605 2001-01-01 Michael Hayes <mhayes@redhat.com>
12607 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
12608 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
12609 (record_initial): Likewise.
12610 * unroll.c (copy_loop_body, loop_iterations): Likewise.
12611 (remap_split_bivs): Likewise.
12613 2001-01-01 Michael Hayes <mhayes@redhat.com>
12615 * loop.c (loop_ivs_free): New function.
12616 (strength_reduce): Break out from...
12618 2001-01-01 Michael Hayes <mhayes@redhat.com>
12620 * loop.h (struct iv): New.
12621 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
12622 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
12623 'reg_biv_class' fields with 'regs' and 'n_regs'.
12624 (struct ivs): Rename 'loop_iv_list' field to 'list'.
12625 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
12626 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
12628 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
12630 * resource.c (mark_referenced_resources): Abort() before
12631 attempting to mark a pseudo register.
12632 (mark_set_resources): Likewise.
12634 2001-01-01 Michael Hayes <mhayes@redhat.com>
12636 * loop.h (REG_IV_CLASS): New accessor macro.
12637 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
12638 * unroll.c (REG_IV_CLASS): Likewise.
12640 See ChangeLog.4 for earlier changes.