1 2001-06-07 Mark Mitchell <mark@codesourcery.com>
3 * tree.h (DECL_SOURCE_FILE): Improve documentation.
4 (DECL_SOURCE_LINE): Likewise.
6 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
8 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
11 2001-06-07 Phil Edwards <pme@sources.redhat.com>
13 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
14 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
16 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
18 * doc/contrib.texi: Add copyright notice.
20 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
22 * doc/md.texi: Use four digit years in copyright notice.
24 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
26 * config.gcc: For $target_alias of athlon-*, set
27 target_cpu_default2=5.
29 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
31 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
32 end of last block if last real insn is a JUMP_INSN.
34 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
38 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
40 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
41 pthread_t to objc_thread_t.
42 (__gthread_objc_thread_id): Likewise.
44 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
46 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
47 (ASM_OLDAS_SPEC): Likewise.
49 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
50 (CPP_SUBTARGET_SPEC): Use it.
51 (ASM_OLDAS_SPEC): Define.
53 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
55 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
57 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
60 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
62 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
63 Document use of N_(...), and show it in examples. Note that
64 documentation should be added to invoke.texi. Avoid an overfull
67 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
69 * toplev.c (rest_of_compilation): Revert previous patch.
70 * final.c (shorten_branches): Likewise.
72 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
74 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
77 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
79 * doc/install-old.texi: Remove more obsolete documentation.
81 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
83 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
85 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
87 * toplev.c (rest_of_compilation): Call split_all_insns
88 before reg-stack and shorten-branches. Do shorten-branches
90 * final.c (shorten_branches): Remove insn splitting code.
92 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
94 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
97 2001-06-07 Andreas Jaeger <aj@suse.de>
99 * emit-rtl.c (operand_subword): Remove unused variable.
101 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
103 * i386.md (floatdi?f): Avoid usinf of SSE instructions
104 if TARGET_64BIT is false.
105 (floatdi?f_i386_only): New insn.
106 (floatdi?f_i386): Disable for !TARGET_64BIT.
108 * (min?f, max?f splitters): Handle case where
109 operands are cross-matched.
111 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
112 (MMX_REGISTER_NAMES): Kill.
113 (PRINT_OPERAND): Fix comment.
114 (PRINT_REG): Likewise.
115 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
116 (print_operand): Update comment; kill 'm'.
118 * i386.c (x86_branch_hints): New global variable
119 (print_operand): Support outputting of branch prediction hints.
120 * i386.md (conditional jump patterns): Add branch prediction hints
122 * i386.h (x86_branch_hints): Declare
123 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
124 (PRINT_OPERAND_FUNCT_VALID_P): New.
125 * final.c (final_forward_branch_p): New function.
127 2001-06-06 Richard Henderson <rth@redhat.com>
129 * flow.c (mark_used_reg): Clean up looping over multiple hard
130 registers. Do conditional life bits across multiple hard regs.
132 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
134 * reload1.c (reload): Revert Schmidt's change so all USEs are not
135 deleted during reload.
137 2001-06-05 Mark Mitchell <mark@codesourcery.com>
139 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
140 functions here, instead of ...
141 * c-decl.c (c_expand_body): ... here.
143 2001-06-05 David O'Brien <obrien@FreeBSD.org>
145 * config.gcc, config/sparc/bsd.h: Do not directly include
146 sparc/sparc.h. Instead do it via tm_file.
148 2001-06-05 Richard Henderson <rth@redhat.com>
150 * dwarf2.h (DW_EH_PE_aligned): New.
151 * dwarf2asm.c (eh_data_format_name): Name it.
152 (dw2_asm_output_encoded_addr_rtx): Align for it.
153 * dwarf2out.c (output_call_frame_info): Handle it for personality
154 routine and LSDA pointers.
156 * unwind-pe.h (DW_EH_PE_aligned): New.
157 (base_of_encoded_value): Handle it.
158 (read_encoded_value_with_base): Likewise.
159 * unwind-dw2-fde.c (base_from_object): Likewise.
160 (get_cie_encoding): Likewise.
162 * config/alpha/elf.h: Remove ecoff commentary.
163 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
165 2001-06-05 David O'Brien <obrien@FreeBSD.org>
167 * config.gcc, config/i386/bsd386.h: Do not directly include
168 i386/386bsd.h. Instead do it via tm_file.
170 2001-06-05 David O'Brien <obrien@FreeBSD.org>
172 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
175 2001-06-05 Pascal Obry <obry@act-europe.fr>
177 * configure.in: Quote $enable_win32_registry in case the value has
181 2001-06-05 Mark Mitchell <mark@codesourcery.com>
183 * print-rtl.c (xspaces): Remove.
184 (print_rtx): Use printf field-width, rather than xpsaces, to
186 * toplev.c (main): Disable sibling-call optimization if we are
189 2001-06-05 Bernd Schmidt <bernds@redhat.com>
191 * reload1.c (reload): Delete all USEs generated during reload.
193 2001-06-05 scott snyder <snyder@fnal.gov>
195 * gccbug.in: Fix typo.
197 2001-06-05 Andreas Jaeger <aj@suse.de>
199 * builtins.def: Fix definition of __builtin_cosf, it uses float as
200 parameter and return value.
202 2001-06-04 Anthony Green <green@redhat.com>
204 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
205 machine. This is now done in sparc.h.
207 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
209 Correct CVS resurrection of invoke.texi.
210 * doc/invoke.texi: Document new tree dump flags.
212 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
214 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
215 for casting an aggregate to its own type. Fixes PR c/2735.
217 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
219 * doc/texinfo.tex: Update to version 2001-05-24.08.
221 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
223 * c-common.h (flag_dump_translation_unit): Remove.
224 (enum tree_dump_index): Define.
225 (TDF_ADDRESS, TDF_SLIM): New #defines.
226 (dump_node_to_file): Remove.
227 (dump_node): Make extern. Add flags.
228 (dump_flag, dump_enabled_p, dump_begin, dump_end,
229 dump_switch_p): Prototype.
230 * c-common.c (flag_dump_translation_unit): Remove.
231 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
232 logic. Use dump_switch_p.
233 * c-dump.h (struct dump_info): Add node and user fields.
234 (dump_pointer): Declare.
235 * c-dump.c (dump_node): Make extern. Add flags.
236 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
237 (dump_new_line, dump_maybe_newline): Use them.
238 (dump_pointer): New function.
239 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
240 chain or function's body. Dump address, if TDF_ADDRESS set.
242 (dump_node_to_file): Remove.
243 (struct dump_file_info): New struct.
244 (dump_files): New array.
245 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
246 * c-lang.c (finish_file): Adjust dumping.
247 * toplev.h (dump_base_name): Make extern.
248 * invoke.texi: Document new flags.
250 2001-06-04 Mark Mitchell <mark@codesourcery.com>
252 * c-tree.h (lang_decl): Add pending_sizes fields.
253 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
255 (c_expand_body): Expand them.
256 (lang_mark_tree): Mark lang_decl:pending_sizes.
257 * function.c (expand_pending_sizes): New function, broken out
259 (expand_function_start): ... here.
260 * tree.h (expand_pending_sizes): Declare it.
262 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
264 * doc/install.texi: Update FreeBSD information. Generalize
265 and update information for alpha-based platforms using ELF.
267 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
269 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
270 (store_parm_decls): Likewise.
271 * c-typeck.c (convert_arguments): Likewise.
273 2001-06-04 Richard Henderson <rth@redhat.com>
275 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
276 optimization if current_function_calls_setjmp.
278 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
280 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
283 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
285 * simplify-rtx.c (simplify_subreg): Fix combining of
288 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
290 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
291 (no_labels_between_p): Short circuit case beg==end.
293 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
295 * rtlanal.c (operand_preference): Fix preference for objects.
297 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
299 * gcse.c (handle_avail_expr): Be prepared to handle single_set
302 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
304 * combine.c (if_then_else_cond): Use simplify_subreg instead
306 * integreate.c (sub_constants): Likewise.
308 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
310 * emit-rtl.c (constant_subword): Deprecate; remove most of code
311 and use simplify_gen_subreg.
313 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
315 * sibcall.c (skip_copy_to_return_value): recognize the situation
316 when the called function's return value is copied into an
317 intermediate pseudo, and then into the calling functions return
320 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
322 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
323 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
324 in case register wasn't OK previously, accept it now; allow
325 subregs of frame pointer if reload completed and frame pointer
328 * combine.c (sombine_simplify_rtx): Fix comment;
329 use subreg_lowpart_offset instead of subreg_lowpart_p
330 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
331 * rtl.h (subreg_lowpart_parts_p): Kill.
332 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
333 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
334 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
335 (gen_lowpart_common): Likewise.
336 (subreg_lowpart_p): Likewise.
337 (subreg_lowpart_parts_p): Kill.
338 (subreg_lowpart_offset, subreg_highpart_offset): New function.
340 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
341 to simplify SUBREG and REG.
342 (gen_highpart): Use simplify_gen_subreg for all simplifications.
344 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
347 * rtlanal.c (replace_regs): Use simplify_gen_subreg
349 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
351 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
352 (ARRAY_RANGE_REF): Added description.
354 * tree.def (ARRAY_RANGE_REF): New code.
355 * alias.c (handled_component_p, can_address_p): Handle it.
356 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
357 * explow.c (set_mem_attributes): Likewise.
358 * expr.c (expand_assignment, get_inner_reference): Likewise.
359 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
360 * fold-const.c (operand_equal_p): Likewise.
361 * tree.c (staticp, stabilize_reference): Likewise.
362 * varasm.c (decode_addr_const): Likewise.
364 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
366 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
367 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
369 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
371 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
372 mark_constant_pool_use before output_addr_const.
373 (struct pool_node): New field wend.
374 (add_constant): Note a sequence of constants that are referenced
376 (pool_window_label, pool_window_last): New variables.
377 (dump_table): Emit a unspec_volatile representing the end of a
378 sequence of constants.
379 (mark_constant_pool_use): New function.
380 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
381 (consttable_2): Add the second operand which flags whether
382 this consttable entry was used or not.
383 (consttable_4, consttable_8, consttable_sf, consttable_df):
385 (consttable_window_end): New insn.
387 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
389 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
390 Reformat according to coding standards.
393 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
394 (shl_and_kind): Cast wide constant.
395 (gen_far_branch): Define as static, as in declaration.
396 (barrier_align): Compute cache-line length as unsigned. Add
397 parentheses in initial credit computation.
398 (rounded_frame_size): Add parentheses.
399 (permanent_obstack): Remove declaration. Include ggc.h for
400 declaration of ggc_add_root_rtx().
401 (get_free_reg): Removed declaration of unused variable reg.
402 (legitimize_pic_address): Mark mode argument as unused.
404 2001-06-03 Igor Shevlyakov <igor@windriver.com>
406 * config/sh/sh.c (output_branch): Support for insn with lenght
407 attr 12 & 16 which represents cond branches outside +-4096 range.
409 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
411 * config/sh/lib1funcs.asm (ic_invalidate): Align the
412 cache-mirroring sequence. Add nops.
414 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
416 * doc/install-old.texi: Remove more old installation
418 * doc/install.texi: Add relevant parts here.
420 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
422 * doc/install.texi2html: New script.
424 2001-06-03 David Edelsohn <edelsohn@gnu.org>
426 * doc/install.texi: Update AIX information again.
428 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
430 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
431 installation documentation.
432 * doc/install.texi: Move it to here.
434 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
436 * doc/install.texi: Clean up Texinfo markup.
438 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
440 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
441 to just after title page.
443 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
445 * doc/install-old.texi: Remove documentation of some configuration
447 * doc/install.texi: Add relevant parts of this documentation here.
449 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
451 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
452 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
454 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
456 * i386.md (all uses of ext_register_operand): Make sure they are
457 VOIDmode; replace all uses outside zero_extend.
458 (and?i splitters): Use ext_register_operands.
459 (test?i peep2): Remove ignored constraints.
460 * i386.c (ext_register_operand): Check that operand is
461 eighter pseudo or hard or 'Q' register.
463 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
465 * tree.h (struct record_layout_info_s): New field unpadded_align.
466 (set_lang_adjust_rli): New declaration.
467 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
468 it would have if not packed, do not downgrade DECL_ALIGN.
469 (lang_adjust_rli, set_lang_adjust_rli): New.
470 (start_record_layout): Initialize new field unpadded_align.
471 (debug_rli): Display it.
472 (place_union_field, place_field): Set it.
473 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
475 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
476 mean that; use proper names instead.
477 Print DECL_NO_STATIC_CHAIN.
479 * except.c (expand_builtin_frob_return_addr): Add missing call
480 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
481 (expand_builtin_eh_return): Likewise.
482 (expand_eh_return): Clean up ptr_mode != Pmode cases.
484 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
486 * doc/invoke.texi: Remove references to papers about sequence points
487 to readings.html, refer to that page.
489 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
491 * README: Update references to installation instructions.
493 2001-06-01 Laurent Guerby <guerby@acm.org>
494 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
496 * doc/install.texi: Define srcdir when sources come from CVS.
497 Significantly improve markup. Wrap overly long lines
499 2001-06-01 DJ Delorie <dj@redhat.com>
501 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
502 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
503 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
504 gcov.1: Move to doc subdirectory.
505 * install.texi: Move to doc/install-old.texi.
506 * gcc.texi: Move to doc, refer to install-old.texi.
507 * Makefile.in: Reflect move of docs to doc/.
508 * f/Make-lang.in: Ditto.
509 * java/Make-lang.in: Ditto.
510 * doc/.cvsignore: New.
512 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
514 * invoke.texi: use two spaces between command options, eliminate
515 some 'overfull hboxes'
517 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
519 * Makefile.in (s-mlib): Make backtick-commands always succeed.
520 (DRIVER_DEFINES): Ditto.
522 2001-05-31 Richard Henderson <rth@redhat.com>
524 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
525 also link against libgcc.a.
527 2001-05-31 Geoff Keating <geoffk@cygnus.com>
529 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
530 * config/mips/mips.c (mips_output_ascii): New function.
531 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
533 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
535 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
537 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
538 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
540 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
542 * install.texi (Configuration): Add html links for --with-gnu-as &
543 --with-gnu-ld and refer to them from hppa & SCO triplets.
544 (Specific): Link back to with-gnu-ld for all ELF platfoms.
545 (Specific): Reword AVR binutils recommendation.
547 2001-05-30 Zack Weinberg <zackw@stanford.edu>
549 * ggc-page.c (size_lookup): Increase minimum allocation size
551 (ggc_print_statistics): Report size of each bin in bytes, not
552 as its order; there is no longer a direct relationship.
554 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
556 * extend.texi: Fix formating of examples, eliminate some
558 * gcc.texi: Eliminate some 'overfull hboxes'.
559 * invoke.texi: Use two spaces between command options, eliminate
560 some 'overfull hboxes'.
562 2001-05-30 Richard Henderson <rth@redhat.com>
564 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
566 2001-05-30 Tom Tromey <tromey@redhat.com>
568 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
569 use it in the new association.
571 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
572 John David Anglin <dave@hiauly1.hia.nrc.ca>
574 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
575 to target type to allow ISO C++ compiler to accept it.
576 * gthr-dce.h (__gthread_active_ptr): Likewise.
577 * gthr-solaris.h (__gthread_active_ptr): Likewise.
579 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
581 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
582 so that we do accept comments in preprocessed input.
584 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
586 * cpphash.c (alloc_node): Cast allocated pointer.
588 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
590 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
592 2001-05-29 Stan Shebs <shebs@apple.com>
594 * gcc.texi: Add links for information about Objective-C.
596 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
598 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
599 /bin/sed fails on [^\"]).
600 (configargs.h): Likewise.
602 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
604 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
606 2001-05-28 Stan Shebs <shebs@apple.com>
608 * objc/objc.gperf: Remove, no longer used.
610 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
612 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
613 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
614 Remove trailing whitespace.
616 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
618 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
619 became http://freeware.sgi.com/.
621 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
623 * local-alloc.c (update_equiv_regs): Don't eliminate constant
626 2001-05-27 Stan Shebs <shebs@apple.com>
628 * objc/objc-act.c: Add/fix various comments.
629 (init_selector): Remove, no longer used.
630 (build_msg_pool_reference): Ditto.
633 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
635 * c-decl.c (init_decl_processing):
636 Don't call start_identifier_warnings.
637 * flags.h (warn_id_clash, id_clash_len): Remove.
638 * stringpool.c: Don't include flags.h.
639 (scan_for_clashes, do_identifier_warnings,
640 start_identifier_warnings): Remove.
641 * toplev.c (warn_id_clash, id_clash_len): Remove.
642 (display_help): Don't document -Wid-clash.
643 (decode_W_option): Print warning on -Wid-clash.
644 * tree.h (start_identifier_warnings): Remove.
645 * invoke.texi: Remove documentation of -Wid-clash.
647 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
649 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
651 2001-05-27 Bruce Korb <bkorb@gnu.org>
653 * fixinc/check.tpl(HACK) add and use a Scheme variable
654 (has no test text): error out if no "test_text" is defined
655 * fixinc/fixincl.tpl: likewise
656 (FIXIDX): make it an enumeration so we minimize diffs
657 * fixinc/inclhack.def: re-alphabetize and add sort instructions
658 * fixinc/fixincl.x: regenerate
659 * fixinc/tests/base/stdio.h: test output got moved due to
661 * README-fixinc: rewrite (mostly)
663 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
665 * cpplib.c (run_directive): Set pfile->directive.
667 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
669 * c-tree.texi: Reformat the manual as a single chapter now
670 included by gcc.texi.
671 * gcc.texi: Include c-tree.texi. Merge all indexes.
672 * Makefile.in (dvi): Add generation for the cppinternals
673 documentation. Added dependencies on fdl.texi and c-tree.texi
674 where appropriate. Use TEXI2DVI instead of custom tex calls.
675 (info): Added dependencies on fdl.texi and c-tree.texi where
676 appropriate. Remove the target c-tree.info.
678 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
680 * combine.c (try_combine): Fix typo in comment.
681 * expr.c (expand_expr): Likewise.
682 * config/i370/i370.md (untyped_call): Likewise.
684 2001-05-26 Bruce Korb <bkorb@gnu.org>
686 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
687 when fixincl is operating in test mode
688 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
689 (AAB_ultrix_limits): remove redundant text
690 (AAB_ultrix_memory): ditto
691 (AAB_ultrix_string): ditto
692 (djgpp_wchar_h): fix the test text
693 (irix_stdio_va_list): add test text
694 (irix_limits_const): add a testing output file (limits.h is overwritten)
695 (strict_ansi_not_ctd): put limits.h second in list for same reason
696 (solaris27_mutex_init): test text needed selection text, too
698 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
699 when fixincl is operating in test mode
701 2001-05-26 Philip Blundell <philb@gnu.org>
703 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
704 * config/i960/i960-protos.h: Likewise.
705 * config/i370/i370-protos.h: Likewise.
706 * config/h8300/h8300-protos.h: Likewise,
707 * config/sh/sh-protos.h: Likewise.
708 * config/v850/v850-protos.h: Likewise.
710 2001-05-26 Philip Blundell <philb@gnu.org>
712 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
714 2001-05-25 Zack Weinberg <zackw@stanford.edu>
716 * toplev.c (debug_args, f_options, W_options): Mark
717 descriptions for translation.
718 (display_help): Translate descriptions on output.
720 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
721 objc/lang-options.h: Mark descriptions for translation.
723 * aclocal.m4: Quote final argument of patsubst. Use
724 3-argument form of AC_DEFINE. Restore quotes to [] while
726 * configure.in: Remove unnecessary changequote calls.
727 * configure, config.in: Regenerate.
729 2001-05-25 Sam TH <sam@uchicago.edu>
731 * basic-block.h: Fix header include guards.
732 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
733 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
734 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
735 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
736 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
737 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
738 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
739 varray.h version.h: Likewise.
740 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
741 config/arm/arm.h config/c4x/c4x-protos.h
742 config/h8300/h8300-protos.h config/h8300/h8300.h
743 config/i370/i370-protos.h config/i370/i370.h
744 config/i960/i960-protos.h config/mcore/mcore.h
745 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
746 config/v850/v850-protos.h config/v850/v850.h: Likewise.
747 * fixinc/fixlib.h fixinc/server.h: Likewise.
749 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
751 * config/arc/initfini.c (.init): Fix typo.
753 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
755 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
757 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
759 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
761 2001-05-25 Richard Henderson <rth@redhat.com>
763 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
765 2001-05-25 Richard Henderson <rth@redhat.com>
767 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
768 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
769 (sparc*-*-solaris2): Likewise.
770 * config/t-linux: Remove shared libgcc macros.
771 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
772 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
774 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
776 * config.gcc (*-*-freebsd*): Report bad configuration.
778 2001-05-25 David Edelsohn <edelsohn@gnu.org>
780 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
782 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
784 (ASM_OUTPUT_LABELREF): Delete.
786 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
788 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
789 strict_ansi_only): Don't run if stdc_0_in_system_headers.
790 * fixinc/fixincl.x: Regenerate.
791 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
792 (FIX_TEST_TABLE): Declare it.
793 * fixinc/fixlib.h: Include config.h.
795 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
797 * fixinc/inclhack.def (alpha___assert): Change char * args to
798 const char * on Tru64 UNIX to avoid excessive warnings from
800 * fixinc/fixincl.x: Regenerate.
802 2001-05-25 Geoff Keating <geoffk@redhat.com>
804 * dbxout.c (dbxout_symbol): Invert previous patch, which was
805 outputting a tag only for variable-size records.
807 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
809 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
810 instead of rtx_equal_p for early clobber test.
812 2001-05-26 Mark Mitchell <mark@codesourcery.com>
814 * builtins.def: Encode additional information, such as names and
816 * builtin-types.def: New file.
817 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
818 (built_in_decls): Likewise. Don't explicitly initialize global
820 (expand_builtin_mathfn): Handle float and long double variants of
822 (expand_builtin): Likewise.
823 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
824 (expand_tree_builtin): Handle long, long long, float, and long
825 double variants of math functions.
826 * c-common.h (c_tree_index): Remove some unused nodes.
827 (void_ftype): Remove.
828 (void_type_ptr): Likewise.
829 (int_ftype_int): Likewise.
830 (ptr_ftype_sizetype): Likewise.
831 * c-decl.c (init_decl_processing): Remove creation of DWARF
833 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
834 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
835 * Makefile.in (c-common.o): Depend on builtin-types.def.
837 2001-05-25 Dale Johannesen <dalej@apple.com>
839 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
841 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
843 * c-parse.in (notype_initdcl): Remove redundant line.
845 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
847 * aclocal.m4: Fixed typo.
848 (gcc_AC_HEADER_STDBOOL): Define.
849 (gcc_AC_C__BOOL): Define.
850 * configure.in: Use them.
851 (AC_CHECK_HEADERS): Remove stdbool.h
852 * configure, config.in: Regenerate.
854 2001-05-25 Richard Henderson <rth@redhat.com>
856 * function.c (expand_function_start): Don't abort on PARALLEL
857 returns from hard_function_value.
859 2001-05-25 Richard Henderson <rth@redhat.com>
861 * config/i386/i386.md: Revert previous change. Do not apply
862 the peephole if the components do not die after the sequence.
864 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
866 * c-parse.in (array_declarator): New. Handle C99 constructs.
867 Don't restrict [*] declarators to C only.
868 (after_type_declarator, parm_declarator_starttypename,
869 parm_declarator_nostarttypename, notype_declarator,
870 direct_absdcl1): Use it.
871 * c-decl.c (build_array_declarator, set_array_declarator_type):
872 New functions. Warn that [*] isn't properly implemented; pedwarn
873 for [*] outside C99 mode if pedantic rather than giving a hard
875 (grokdeclarator): Handle static and type qualifiers in parameter
877 * c-tree.h (build_array_declarator, set_array_declarator_type):
879 * extend.texi (Attribute Syntax): Document attributes in parameter
882 2001-05-25 Mark Mitchell <mark@codesourcery.com>
884 * config/i386/i386.md: Make sure cmpstr peepholes do not
885 affect liveness information.
887 2001-05-24 Mark Mitchell <mark@codesourcery.com>
889 * c-typeck.c (digest_init): Issue error messages about
890 invalid constants, not warnings.
892 2001-05-24 Mark Mitchell <mark@codesourcery.com>
894 * invoke.texi (-fno-builtin): Document that this is always on
897 2001-05-24 Philip Blundell <philb@gnu.org>
899 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
902 2001-05-24 Philip Blundell <philb@gnu.org>
904 * config/arm/arm.c (output_return_instruction): Correctly handle
905 interworking and interrupt functions.
907 2001-05-24 Philip Blundell <philb@gnu.org>
909 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
910 -m{no-}sched-prolog. Fix typos and improve formatting.
912 2001-05-24 Philip Blundell <philb@gnu.org>
914 * invoke.texi (ARM Options): Improve wording slightly. Add
915 documentation for more options, including those for Thumb mode.
916 Don't mention options that don't exist or are unimplemented.
917 (Thumb Options): Delete; merged into above section.
919 2001-05-24 Geoff Keating <geoffk@redhat.com>
921 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
922 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
924 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
926 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
927 fix hard register simplification.
929 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
931 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
932 of just copying CPP_CPU_SPEC.
934 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
936 * i386.c (incdec_operand): Accept only 1 and -1.
938 2001-05-23 Kelley Cook <kelley.cook@home.com>
940 * Makefile.in: Move many of the *_H definitions eariler in the
941 file, so that rules in t-* files that use them for
942 dependencies will work in a parallel build.
943 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
945 2001-05-23 Richard Henderson <rth@redhat.com>
947 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
949 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
951 * cpp.texi: Update for handling of charconsts.
952 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
953 diagnostics. Skip to the end if the UCS is too short.
954 (cpp_interpret_charconst): Long charconsts issue a warning
957 2001-05-23 Richard Henderson <rth@redhat.com>
959 * doc/install.texi (alpha-linux): Require binutils 2.11.
961 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
963 * c-lex.c (read_escape, read_ucs): Delete.
964 (lex_string): Use cpp_parse_escape.
965 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
966 if not C++ or not C99. Warn if traditional.
967 (parse_escape): Rename cpp_parse_escape. Make the bitmask
968 unsigned. Warn for out-of-range escape sequences here.
969 Update to use maybe_read_ucs.
970 (cpp_interpret_charconst): Don't warn here.
971 * cpplib.h (cpp_parse_escape): New exported function.
973 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
975 * extend.texi (Attribute Syntax): Clarify application of
976 attributes to parameters declared as functions or arrays.
978 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
980 * dbxout.c (dbxout_type_methods): Do still group methods by name.
982 2001-05-23 Zack Weinberg <zackw@stanford.edu>
984 * diagnostic.c (vnotice): Kill.
985 (fnotice): Call vfprintf directly.
986 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
987 verbatim, set_diagnostic_context): Rename string argument to
988 indicate that it is run through gettext.
989 (vbuild_message_string, build_message_string, output_do_printf):
990 Rename string argument to indicate that it is NOT run through
992 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
993 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
994 Run msgid argument through gettext.
995 (default_print_error_function): Run constant strings through
996 gettext when nothing else will.
997 (fatal_error, internal_error, error_recursion): Use fnotice.
998 Present complete sentences to gettext.
1000 2001-05-23 Mark Mitchell <mark@codesourcery.com>
1002 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
1004 2001-05-23 Richard Henderson <rth@redhat.com>
1006 * function.c (expand_function_start): Always use a pseudo
1007 for the function result value.
1009 2001-05-22 Richard Henderson <rth@redhat.com>
1011 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
1012 section pointer alignment.
1014 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
1016 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
1017 of __USER_LABEL_PREFIX__.
1019 2001-05-22 Richard Henderson <rth@redhat.com>
1021 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
1022 (__deregister_frame_info_bases): New.
1023 * unwind-dw2-fde.h: Declare it.
1024 * libgcc-std.ver: Export it.
1025 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
1026 called __register_frame_info_bases.
1028 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1030 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
1031 instead of #elif (which is OK for this case but not in general).
1033 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
1035 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
1036 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
1037 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
1038 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
1039 "r2" to the assembly file. Only issue allocs with non-zero parameters.
1041 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1042 David O'Brien <obrien@freebsd.org>
1044 * config/freebsd.h (LIB_SPEC): Key the exact setting to
1045 configure-time options and target version of FreeBSD. Set-up
1046 to match architectural change in threading support. Correctly
1047 report when -pthread option is not supported by configure-time
1049 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
1050 and extend to encode target version number in run-time setting
1051 of __FreeBSD__ macro to match the system compiler.
1052 (CPP_PREDEFINES): Likewise.
1053 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
1055 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
1056 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
1058 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1059 David O'Brien <obrien@freebsd.org>
1061 * config.gcc (the unlabeled system switch statement): Add
1062 generic configuration section to handle *-*-freebsd*. Also,
1063 to match the system compiler, default to threading support (it
1064 may be disabled with the standard --disable-threads
1065 configuration-time switch).
1066 (i[34567]86-*-freebsd* in machine-specific section): Use it.
1067 (alpha*-*-freebsd* in machine-specific section): Likewise.
1069 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
1070 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
1071 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
1072 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
1073 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
1075 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1076 David O'Brien <obrien@freebsd.org>
1078 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1079 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
1080 -pthread instead setting macro.
1082 2001-05-22 Richard Henderson <rth@redhat.com>
1084 * crtstuff.c (__register_frame_info_bases): Declare.
1085 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
1086 (__do_global_dtors_aux, __do_global_dtors): Streamline.
1088 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1089 (CRT_GET_RFIB_DATA): New.
1090 * config/i386/sysv4.h: Likewise.
1091 * config/i386/sco5.h: Likewise.
1092 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1094 2001-05-22 Richard Henderson <rth@redhat.com>
1096 * rtl.c (read_string): Break out from ...
1097 (read_rtx): ... here.
1099 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1101 * doc/install.texi (Specific): Remove a bogus and duplicate part
1102 copied from the end of the document.
1104 2001-05-22 Bernd Schmidt <bernds@redhat.com>
1106 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
1108 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1110 * install.texi: Remove obsolete information on SunOS as well as
1111 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
1112 (Installing GNU CC on the Sun): Remove section.
1114 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
1116 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
1117 keep errno unchanged on success.
1119 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
1121 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
1122 once for hexadecimal floats, whether or not they contain a decimal
1123 point. Don't let the setting of pedantic otherwise affect the
1124 parsing of hexadecimal floats.
1126 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1128 * README.ACORN: Remove obsolete file.
1130 2001-05-22 Jan Hubicka <jh@suse.cz>
1132 * combine.c (gen_binary): Use swap_commutative_operands_p
1133 (simplify_comparison): Likewise.
1134 * expmed.c (emit_store_flag): Likewise.
1135 * expr.c (compare_from_rtx): Likewise.
1136 (do_compare_rtx_and_jump): Likewise.
1137 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
1138 if not emitting a branch and operands want swapping.
1140 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
1142 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
1143 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
1144 (maybe_get_identifier): Update.
1145 * tree.h (make_identifier): Delete.
1147 2001-05-21 Richard Henderson <rth@redhat.com>
1149 * combine.c (subst): Do not substitute for a register as
1150 a destination subreg/strict_low_part/zero_extract.
1152 * combine.c (simplify_comparison): Update op1 after constant
1154 * recog.c (const_int_operand): Accept only constants valid
1156 * genrecog.c: Update comments wrt const_int_operand.
1158 * emit-rtl.c (init_emit_once): Zero unused memory in a
1161 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1163 * tree.h (type_num_arguments): Declare it.
1164 * tree.c (type_num_arguments): New function.
1166 2001-05-21 Richard Henderson <rth@redhat.com>
1168 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
1171 2001-05-21 Geoff Keating <geoffk@redhat.com>
1173 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
1175 (minsf3): Use rs6000_emit_minmax.
1176 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
1178 (movsfcc): Use rs6000_emit_cmove.
1179 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
1180 Don't generate emit_fselsfsf4.
1181 (fseldfsf4): Likewise.
1182 (maxdf3): Use rs6000_emit_minmax.
1184 (mindf3): Use rs6000_emit_minmax.
1185 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
1187 (movdfcc): Use rs6000_emit_cmove.
1188 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
1189 Don't generate emit_fselsfsf4.
1190 (fselsfdf4): Likewise.
1191 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
1192 (min_max_operator): New predicate.
1193 (rs6000_emit_cmove): New function.
1194 (rs6000_emit_minmax): New function.
1195 * config/rs6000/rs6000-protos.h: Prototype new functions.
1196 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
1197 and min_max_operator.
1199 * config/rs6000/rs6000.c (output_cbranch): Handle all
1200 conditional types in the switch statement.
1202 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1204 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
1205 non-register variables.
1206 * extend.texi: Document that asm-specifications do not make sense
1207 for non-static local variables.
1209 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
1211 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
1212 (dbxout_type_fields): Lose minimal_debug support.
1213 (dbxout_type_methods, dbxout_type): Likewise.
1215 2001-05-17 Andrew Haley <aph@redhat.com>
1217 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1219 2001-05-21 Richard Henderson <rth@redhat.com>
1221 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
1224 2001-05-20 Richard Henderson <rth@redhat.com>
1226 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1227 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
1228 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
1229 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1230 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
1232 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1233 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
1234 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
1235 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1236 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1237 DEBUG_PUBNAMES_SECTION): Rename as above.
1238 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1240 2001-05-20 Richard Henderson <rth@redhat.com>
1242 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
1243 operands unless the operation is commutative.
1245 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1247 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
1250 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
1252 * extend.texi: Clarify documentation of extensions included in ISO
1253 C99. Prefer C99 terminology and syntax to old GNU terminology and
1254 syntax. Add more index entries. Document mixed declarations and
1255 code as an extension in C89 mode. Warn about future changes to
1256 semantics of inline functions. Fixes PR other/930.
1258 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1260 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
1261 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1262 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
1263 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1265 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
1267 2001-05-20 Richard Henderson <rth@redhat.com>
1269 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
1270 to be output before a branch.
1272 2001-05-20 Richard Henderson <rth@redhat.com>
1274 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
1276 2001-05-20 Richard Henderson <rth@redhat.com>
1278 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
1279 (ASM_DOUBLE): Remove.
1280 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
1281 * config/i386/sun386.h: Likewise.
1283 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
1284 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
1286 * config/i386/cygwin.h (INT_ASM_OP): Remove.
1287 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
1288 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
1289 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
1291 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
1292 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
1293 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
1294 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
1295 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
1296 * config/i386/win32.h: Likewise.
1298 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1300 * invoke.texi: Add more options to summary list.
1302 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1304 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
1305 used. Fixes PR c/2291.
1306 * gcc.1: Regenerate.
1308 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1310 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
1311 the -fpic and -fPIC options, clear flag_pic.
1313 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1315 * hashtable.c (calc_hash): Fix HASHSTEP definition.
1316 * stringpool.c (make_identifier): No statistics here anymore.
1317 * objc-act.c (steup_string_decl): Remove redundant check.
1319 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1321 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
1322 cpplib.o, cpphash.o, fix-header): Update.
1323 (hashtable.o): New target.
1324 * c-common.h: Include cpplib.h. Define C_RID_CODE and
1325 struct c_common_identifier here.
1326 * c-lang.c (c_init_options): Update. Call set_identifier_size.
1327 * c-lex.c (c_lex): Update.
1328 * c-pragma.h: Update.
1329 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
1331 (C_RID_CODE): Delete.
1332 * cpphash.c: Rewrite to use hashtable.c.
1333 * cpphash.h: Update include guards.
1334 (struct cpp_reader): Remove hashtab.
1335 hash_ob and buffer_ob are no longer pointers. Add hash_table
1337 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
1338 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
1339 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
1340 * cppinit.c (cpp_create_reader): Update.
1341 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
1342 (cpp_interpret_charconst): Eliminate warning.
1343 * cpplib.c (do_pragma, do_endif, push_conditional,
1344 cpp_push_buffer, cpp_pop_buffer): Update.
1345 (_cpp_init_stacks): Rename cpp_init_directives.
1346 (_cpp_cleanup_stacks): Remove.
1347 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
1348 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
1349 cpp_forall_identifiers, cpp_create_reader): Update.
1350 (C_RID_CODE, cpp_make_node): New.
1351 (c_common_identifier): New identifier node for C front ends.
1352 * cppmain.c (main): Update.
1353 * fix-header.c (read_scan_file): Update.
1354 * flags.h (id_clash_len): Make unsigned.
1355 * ggc.h (ggc_mark_nonnull_tree): New.
1358 * stringpool.c: Update comments and copyright. Update to use
1360 * toplev.c (approx_sqrt): Move to hashtable.c.
1361 (id_clash_len): Make unsigned.
1362 * toplev.h (ident_hash): New.
1363 * tree.c (gcc_obstack_init): Move to hashtable.c.
1364 * tree.h: Include hashtable.h.
1365 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
1366 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
1367 (struct tree_identifier): Update.
1368 (make_identifier): New.
1370 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
1371 (C_RID_CODE): Remove.
1372 * lex.c (cxx_init_options): Call set_identifier_size. Update.
1373 (init_parse): Don't do it here.
1375 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
1377 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
1379 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
1381 (expand_eh_return): Convert between word_mode and Pmode.
1382 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
1384 (execute_stack_op): Likewise.
1385 (execute_cfa_program): Likewise.
1386 (uw_frame_state_for): Likewise.
1387 (uw_update_context_1): Likewise.
1388 * unwind.inc (_Unwind_Reason_Code): Likewise.
1389 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
1390 (EH_RETURN_STACKADJ_RTX): Likewise.
1391 * config/mips/mips.c (compute_frame_size): Make space for saving
1392 EH return registers.
1393 (mips_expand_epilogue): Handle EH stack adjustments.
1394 * config/mips/mips.md (eh_return): New pattern.
1395 (eh_set_lr_si): Likewise.
1396 (eh_set_lr_di): Likewise.
1397 Add splitter to perform EH return after reload.
1399 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1401 * jump.c (mark_jump_label): Tidy previous change.
1403 2001-05-19 Bruce Korb <bkorb@gnu.org>
1405 * fixinc/genfixes: no need for two warnings
1406 * fixinc/Makefile.in: open stdin for those building with a closed one.
1408 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1410 * jump.c (jump_optimize_1): Tidy.
1411 (mark_jump_label): When changing the label in a LABEL_REF, change
1412 update any REG_EQUAL notes as well.
1414 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
1416 * c-parse.in (parm_declarator): Split into
1417 parm_declarator_starttypename and parm_declarator_nostarttypename.
1418 (parm_declarator_starttypename, parm_declarator_nostarttypename):
1419 New. Allow parenthesised sub-declarators which don't begin with a
1420 TYPENAME. Fixes PR c/166.
1422 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1424 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
1426 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1428 * toplev.c (main): If the target does not allow profiling without
1429 a frame pointer, issue an error message.
1430 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1433 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1435 * recog.c (general_operand): Modify last change to allow it if reload
1438 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1440 * recog.c (general_operand): Prohibit nonzero subreg bytes on
1441 subregs containing mem.
1443 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
1445 * regrename.c (regrename_optimize): frame pointer register can
1448 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
1450 * README.DWARF: Move into dwarfout.c.
1452 2001-05-18 Dale Johannesen <dalej@apple.com>
1454 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
1455 specific misuse of r0 as a reload address.
1457 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1459 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
1462 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1464 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
1465 (add_to_sequence): Make that decision type.
1466 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
1467 (write_switch, write_cond, debug_decision_2): Likewise.
1469 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
1471 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
1474 2001-05-18 Stan Shebs <shebs@apple.com>
1476 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
1477 * configure: Regenerate.
1479 2001-05-18 Per Bothner <per@bothner.com>
1481 Changes needed for java/jvspec.c
1482 * gcc.h (n_infiles, outfiles): Add declarations.
1483 * gcc.c (n_infiles, outfiles): Mske no longer static.
1485 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
1487 * config/pa/som.h (EXCEPTION_SECTION): Define.
1489 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
1491 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
1493 Add have_location_lists, a variable to determine whether we need a
1494 .debug_loc section or not.
1495 (enum dw_val_class): Add dw_val_class_loc_list.
1496 (dw_val_struct): Add val_loc_list.
1497 (dw_loc_list_struct): New structure, represents location lists.
1498 (new_loc_list): New function, return a new location list, given
1499 the range and location expression.
1500 (add_loc_descr_to_loc_list): New function, add a location
1501 expression to a location list, given the expression and range.
1502 (output_loc_list): New function, output a location list.
1503 (gen_internal_sym): Modified to take symbol prefix, so we can
1504 reuse it for location list symbols.
1505 (add_AT_loc_list): New function, add a location list to a DIE at
1506 the named attribute.
1507 (AT_loc_list): New function, return the location list reference
1508 for a given attribute, if it's a location list.
1509 (print_die): Handle dw_val_class_loc_list.
1510 (size_of_die): Ditto.
1511 (value_format): Ditto.
1512 (output_die): Ditto.
1513 (output_location_lists): New function, output all of the location
1514 lists for a DIE and it's children.
1515 (dwarf2out_finish): Call output_location_lists if we have location
1519 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1521 * gcse.c (try_replace_reg): First try global replace, later try to
1522 simplify the expression.
1524 * gcse.c (find_used_regs): Change calling convention; work via
1526 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
1528 2001-05-18 Bernd Schmidt <bernds@redhat.com>
1531 2001-02-09 Nick Clifton <nickc@redhat.com>
1532 * config/arm/arm.md: Change output constraint on post inc
1533 load/store multiple patterns to be a read/write constraint.
1535 2001-05-18 Mark Mitchell <mark@codesourcery.com>
1537 * basic-block.h (struct basic_block_def): Add documentation about
1538 what a basic block is, and what the various fields are used for.
1539 * flow.c (calculate_globlal_regs_live): Add documentation about
1540 how the algorithm works, and how we know that it will terminate.
1541 Check that the the inductive assumption that guarantees
1542 termination actually holds.
1543 (mark_used_regs): Treat conditionally set registers as used.
1544 (debug_regset): Add comment.
1545 * rtl.texi (cond_exec): Add documentation.
1547 * function.c (expand_function_start): Avoid creating BLKmode
1550 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1552 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
1553 DIE, even if it has no children.
1554 (dwarf2out_finish): Always output the line-number table, even if
1557 2001-05-18 David Edelsohn <edelsohn@gnu.org>
1559 * rs6000.md (movsfcc,movdfcc): Remove NE case.
1561 2001-05-17 Bruce Korb <bkorb@gnu.org>
1563 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
1564 * fixinc/genfixes: emit a warning if AutoGen is out of date
1566 2001-05-17 Brendan Conoboy <blc@cygnus.com>
1567 Bruce Korb <bkorb@gnu.org>
1569 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
1570 found in fixinc directory. Facilitates binary distributions.
1572 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
1574 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
1577 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
1579 * dwarf2out.c (modified_type_die): Equate qualified type to die.
1581 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1583 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
1584 (simplify_subreg): Handle complex types represented as CONCAT.
1586 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
1587 * rtl.h (swap_commutative_operands_p): Declare.
1588 * rtlanal.c (swap_commutative_operands_p): New.
1589 (operand_preference): New static function.
1591 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
1592 (gen_binary): Likewise.
1593 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
1594 * simplify-rtx.c (simplify_gen_binary,
1595 simplify_gen_relational): Likewise.
1597 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1599 * cse.c (fold_rtx): Use simplify_subreg.
1601 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
1602 (simplify_gen_subreg): New.
1603 (simplify_rtx): Use simplify_subreg.
1604 * rtl.h (simplify_gen_subreg): Declare.
1606 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1608 * doc/install.texi: Update Solaris information.
1610 * except.h (protect_cleanup_actions): Remove it.
1611 (lang_protect_cleanup_actions): Declare it.
1612 * except.c (protect_cleanup_actions): Remove it.
1613 (lang_protect_cleanup_actions): New variable.
1614 (init_eh): Don't make protect_cleanup_actions a GC root.
1615 (expand_eh_region_and_cleanup): Call
1616 lang_protect_cleanup_actions.
1617 (output_function_exception_table): Remove unused `align'
1619 * varasm.c (assemble_external): Abort if we have not yet
1620 opened the assembly output file.
1622 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
1624 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
1625 for eh_personality_libfunc.
1627 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1629 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
1630 when calling simplify_subreg. This is needed to allow replacing
1631 of expression of one mode by expression of different mode.
1633 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1635 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
1637 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1639 * expr.c (protect_from_queue): Protect against subsequent calls to
1641 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
1644 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
1646 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
1648 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1650 * gccbug.in (CATEGORIES): Add "bootstrap".
1652 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1654 * simplify-rtx.c (simplify_subreg): Break out from ...
1655 * combine.c (combine_splify_rtx) ... here and ...
1656 * recog.c (validate_replace_rtx_1): ... here;
1657 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
1658 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
1659 (subreg_lowpart_p): ... here.
1661 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1663 * stmt.c (expand_asm_operands): For inout operands, make sure
1664 the substitution of '=' for '+' makes it into the rtl.
1666 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
1667 (reload_as_needed): Call update_eliminable_offsets a bit later.
1669 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1671 * gcc.texi (gccbug): Refer to the web pages for detailed information
1674 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1676 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
1678 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
1679 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
1680 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
1681 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
1682 * cross-make: Don't set LIBGCC1.
1683 * mklibgcc.in: Delete all code for building from libgcc1.c.
1684 Always honor LIB1ASMFUNCS if set.
1686 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
1687 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
1688 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
1689 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
1690 config/i386/uwin.asm, config/m68hc11/larith.asm,
1691 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
1692 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
1693 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
1694 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
1695 Delete or update references to libgcc1 in commentary.
1697 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
1698 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
1699 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
1700 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
1701 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
1702 config/arm/t-semi, config/arm/t-strongarm-coff,
1703 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
1704 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
1705 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
1706 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
1707 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
1708 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
1709 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
1710 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
1711 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1712 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
1713 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
1714 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
1715 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
1716 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
1717 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
1718 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
1719 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
1720 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
1721 config/mips/t-ultrix, config/mn10200/t-mn10200,
1722 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
1723 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
1724 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
1725 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
1726 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
1727 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
1728 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
1729 config/sparc/t-sparclite, config/sparc/t-splet,
1730 config/sparc/t-sunos41, config/sparc/t-vxsparc,
1731 config/sparc/t-vxsparc64, config/v850/t-v850:
1732 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
1734 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
1735 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
1736 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
1737 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
1738 nongcc_SI_type, nongcc_word_type, or perform_*
1739 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
1741 * config/i386/386bsd.h, config/i386/beos-elf.h,
1742 config/i386/linux-aout.h, config/i386/linux-oldld.h,
1743 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
1744 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
1745 Don't include i386/perform.h.
1747 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
1748 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
1749 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
1750 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
1751 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
1752 config/vax/t-openbsd, config/vax/t-vax: Delete.
1754 * config.gcc: Remove references to deleted files.
1755 (arm-semi-aof): Use arm/t-semi for tmake_file.
1757 * gcc.texi, install.texi, invoke.texi, tm.texi:
1758 Delete or rewrite text which is no longer relevant now that
1759 libgcc1 no longer exists.
1761 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
1762 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
1764 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
1765 Bruce Korb <bkorb@gnu.org>
1767 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
1770 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1772 * i386.md: Add two peepholes to clean up code generated by
1775 2001-05-16 Richard Henderson <rth@redhat.com>
1777 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
1778 variants of non-absolute encodings.
1780 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1782 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
1783 __register_frame_info_table_bases): Export.
1785 2001-05-16 Richard Henderson <rth@redhat.com>
1787 * except.c (eh_data_format_name): Move to ...
1788 * dwarf2asm.c: ... here. Use designated initializers if available.
1789 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
1790 * dwarf2asm.h: Update declarations.
1791 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
1792 ASM_PREFERRED_EH_DATA_FORMAT.
1793 (output_call_frame_info): Likewise. Use 'L' augmentation for
1796 * unwind-dw2-fde.h (struct fde_vector): New.
1797 (struct old_object): Rename from struct object.
1798 (struct object): New.
1799 (__register_frame_info_bases): Declare.
1800 (__register_frame_info_table_bases): Declare.
1801 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
1802 * unwind-dw2-fde.c (objects): Remove.
1803 (unseen_objects, seen_objects): New.
1804 (__register_frame_info_bases): New.
1805 (__register_frame_info): Use it.
1806 (__register_frame_info_table_bases): New.
1807 (__register_frame_info_table): Use it.
1808 (__deregister_frame_info): Rewrite for changed object struct.
1809 (base_from_object, get_cie_encoding, get_fde_encoding): New.
1810 (fde_unencoded_compare): Rename from fde_compare; uninline.
1811 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
1812 (start_fde_sort): Adjust for new definition of fde_vector.
1813 (fde_insert): Likewise.
1814 (end_fde_sort): Likewise. Select comparison function based
1815 on properties of the object.
1816 (fde_split): Take object and fde_compare_t arguments.
1817 (frame_heapsort, fde_merge): Likewise.
1818 (classify_object_over_fdes): Rename from count_fdes. Handle
1819 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
1821 (add_fdes): Handle encoded pointers.
1822 (init_object): Rename from frame_init. Update for new struct object.
1823 (linear_search_fdes): Rename from search_fdes. Handle encoded
1825 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
1826 (binary_search_single_encoding_fdes): New.
1827 (binary_search_mixed_encoding_fdes): New.
1828 (search_object): New.
1829 (_Unwind_Find_FDE): Update for new struct object. Fill in
1831 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
1832 iterating over EH data.
1833 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
1834 fde_encoding, lsda_encoding.
1835 (read_uleb128, read_sleb128): Remove.
1836 (read_encoded_pointer): Remove. All callers use read_encoded_value.
1837 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
1838 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
1840 * unwind-pe.h: Add "struct" to _Unwind_Context references.
1842 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1844 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
1845 * cpphash.c (_cpp_lookup_with_hash): Similarly.
1846 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
1847 cpp_spell_token, cpp_output_token): Similarly.
1848 * cpplib.c (lex_macro_node, do_undef, do_pragma,
1849 do_pragma_poison, parse_assertion, do_assert): Similarly.
1850 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
1851 save_parameter, _cpp_create_definition, check_trad_stringification,
1852 cpp_macro_definition): Similarly.
1853 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
1854 * c-lex.c (cb_undef, c_lex): Similarly.
1855 * fix-header.c (recognized_function): Similarly.
1856 * cpplib.h (NODE_LEN, NODE_NAME): New.
1857 (cpp_hashnode): Rename length len.
1859 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
1861 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1864 2001-05-16 Andreas Jaeger <aj@suse.de>
1866 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1868 * toplev.c: Include dwarf2asm.h for prototype of
1869 dw2_output_indirect_constants.
1871 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1873 * stmt.c (expand_asm_operands): Be able to offload addressof
1874 expression to memory. (PR optimization/185)
1876 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
1878 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
1879 applying distributive law.
1881 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1883 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1885 * gthr-dce.h (UNUSED): Attribute unused macro.
1886 (__gthread_key_dtor): Make arguments UNUSED.
1887 (__gthread_key_delete): Revise for compatibility with DRAFT4
1890 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1892 * doc/install.texi: Update AIX information.
1893 * README.RS6000: Remove obsolete file.
1895 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1896 Nathan Sidwell <nathan@codesourcery.com>
1898 * gcc.c (give_switch): Don't write before start of string.
1899 Always append suffix.
1901 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1903 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1906 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1908 * README.ALTOS: Remove obsolete file.
1910 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1912 * c-lex.h (save_and_forget_protocol_qualifiers,
1913 forget_protocol_qualifiers, remember_protocol_qualifiers):
1914 Remove deleted functions' prototypes.
1916 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1918 * c-parse.in (methodtype): New production.
1919 (methoddef, methodproto): Collapse separate '-' and '+'
1922 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1924 * c-common.h (RID_FIRST_PQ): New.
1925 * c-parse.in (objc_pq_context): New.
1926 (objc parser): Set objc_pq_context rather than calling
1927 remember_protocol_qualifiers and forget_protocol_qualifiers.
1928 Don't call save_and_forget_protocol_qualifiers.
1929 (yylexname): Handle objc protocol qualifiers here.
1930 * stringpool.c (struct str_header): Replace with sp_hashnode.
1931 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
1932 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
1933 Allocate an IDENTIFIER_NODE for each identifier.
1934 (FORALL_STRINGS, set_identifier): Delete.
1935 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
1936 (ggc_alloc_string): Use an obstack.
1937 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1938 * tree.h: Update comments.
1939 (set_identifier): Delete.
1940 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
1941 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
1942 remember_protocol_qualifiers): Delete.
1944 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
1946 * flow.c (life_analysis): After life analysis is complete, do
1947 an optional scan over insns looking for REG_LABEL notes that
1948 reference a deleted label.
1949 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1950 before peeking at LABEL_NUSES.
1952 2001-05-15 Richard Henderson <rth@redhat.com>
1954 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1955 (_Unwind_GetTextRelBase): New.
1957 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1959 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1961 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
1963 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
1964 so that CHOOSE_SECTION gets used.
1966 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
1967 TARGET_RELOCATABLE like flag_pic for now.
1969 2001-05-15 David Edelsohn <edelsohn@gnu.org>
1971 * rs6000.md (movdi splitter): Sign extend more efficiently.
1972 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
1973 to "long long" valid on 32-bit and 64-bit hosts.
1974 (logical_operand): Cast trunc_int_for_mode return value.
1975 (rs6000_emit_move): Shift macro to encapsulate variable.
1976 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
1977 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
1978 plus_constant requires signed argument.
1980 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1982 * gthr-posix.h: Make additional pthread-* functions weak.
1984 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1986 * recog.c (apply_change_group): Avoid unneeded validating.
1988 2001-05-14 David Edelsohn <edelsohn@gnu.org>
1990 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
1991 (num_insns_constant): CONST_INT can be 64-bits.
1993 2001-05-14 Stan Shebs <shebs@apple.com>
1995 * config/darwin.h (LIB_SPEC): Just use -lSystem.
1996 (LIBGCC_SPEC): Don't define.
1998 2001-05-14 Richard Henderson <rth@redhat.com>
2000 * configure.in (gcc_cv_as_eh_frame): New test.
2001 * config.in, configure: Rebuild.
2002 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
2004 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2006 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
2007 extended precision divide.
2009 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2011 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
2012 for RETURNS as well.
2014 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2016 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
2017 (CPP_CPU??_SIZE_TYPE): New.
2018 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
2019 (CPP_CPU_SPEC): ... here; support choosing of CPU.
2020 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
2021 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
2023 * i386.c (override_options): Add sorry about not suported modes.
2025 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
2027 * config/pa/som.h (NM_FLAGS): Remove.
2028 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
2029 (ASM_OUTPUT_SECTION_NAME): Remove.
2030 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
2032 2001-05-14 Mark Mitchell <mark@codesourcery.com>
2034 * regrename.c (regrename_optimize): Do not rename registers to
2037 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
2039 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
2040 contain MEMs. Remove useless distinction about clobbering
2043 2001-05-13 Geoff Keating <geoffk@redhat.com>
2045 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
2046 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
2047 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
2048 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2049 (EXCEPTION_SECTION): Define.
2051 2001-05-13 Zack Weinberg <zackw@stanford.edu>
2053 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
2054 binary backward compat only.
2055 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
2056 in LIB2FUNCS. Pass it to mklibgcc.
2057 * mklibgcc.in: Handle LIB2FUNCS_ST.
2059 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
2061 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
2063 * tm.texi (THREAD_MODEL_SPEC): Document it.
2064 * gcc.c (main): Use it.
2065 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
2066 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
2068 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2070 * rtl.h (SYMBOL_REF_WEAK): New macro.
2071 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
2072 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
2073 * rtl.texi (SYMBOL_REF_WEAK): Document it.
2074 * gcc.texi: Remove wrong description.
2076 2001-05-13 Mark Mitchell <mark@codesourcery.com>
2078 * Makefile.in (STAMP): New macro.
2079 Replace all uses of `touch' with $(STAMP).
2080 * fixinc/Makefile.in: Likewise.
2082 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2084 * configure.in: ldopen is never in -lexc, so don't test for it.
2085 Add test for exc_resume in -lexc for Ada.
2086 * configure: Regenerated.
2088 2001-05-12 Richard Henderson <rth@redhat.com>
2090 * dwarf2asm.c (size_of_encoded_value): New function.
2091 * dwarf2asm.h: Declare it.
2092 * except.c (output_function_exception_table): Align the TType
2093 array only as wide as the encoding.
2095 2001-05-12 Zack Weinberg <zackw@stanford.edu>
2097 * extend.texi: Document #pragma GCC java_exceptions.
2099 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2101 * c-parse.in (bison parser, init_reswords): Remove uses of
2103 * c-tree.h (doing_objc_thang): Remove.
2105 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2107 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
2108 about files not ending in newlines.
2110 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2112 * dwarfout.c (dwarfout_init): Add cast.
2113 * sched-deps.c (sched_analyze_insn): Remove unused vars.
2114 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
2116 * method.c (build_mangled_C99_name): Remove unused prototype.
2118 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2120 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
2122 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2124 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
2125 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
2127 2001-05-11 Richard Henderson <rth@redhat.com>
2129 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2130 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
2131 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
2132 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
2133 (dw2_output_indirect_constants): Prototype.
2134 * dwarf2out.c (dwarf2out_begin_prologue): Generate
2135 current_function_func_begin_label if we'll need it for EH. Exit
2136 early for IA64_UNWIND_INFO.
2137 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
2138 (eh_data_format_name): Update for indirect references.
2139 (output_function_exception_table): Care for IA64_UNWIND_INFO.
2140 Handle ASM_PREFERRED_EH_DATA_FORMAT.
2141 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
2142 define HAVE_eh_return etc.
2143 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
2144 (final_end_function): Don't call output_function_exception_table.
2145 * toplev.c (compile_file): Call dw2_output_indirect_constants.
2146 (rest_of_compilation): Invoke output_function_exception_table
2147 for ia64 before assemble_end_function.
2148 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
2149 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
2151 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
2152 * unwind.h: Declare them.
2153 * libgcc-std.ver: Export them.
2154 * unwind-pe.h: New file.
2156 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2158 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
2160 (find_fde_for_dso): Extract DT_PLTGOT.
2161 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
2162 the segment and gp as well.
2163 * config/ia64/frame-ia64.c: Remove file.
2164 * config/ia64/frame-ia64.h: Remove file.
2165 * config/ia64/unwind-ia64.c: New file.
2166 * config/ia64/unwind-ia64.h: New file.
2167 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
2168 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
2169 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
2170 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2171 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2172 (IA64_UNWIND_INFO): Re-enable.
2173 (HANDLER_SECTION): Remove.
2174 (EH_RETURN_DATA_REGNO): New.
2175 * config/ia64/ia64.md (exception_receiver): Remove.
2176 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
2177 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
2179 2001-05-11 Richard Henderson <rth@redhat.com>
2181 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
2182 calls and jumps to be bundled together.
2183 (ia64_reorg): Emit a break after a noreturn call that ends
2185 * config/ia64/ia64.md (break_f): New.
2187 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2189 * c-lex.c (lex_charconst): Convert into a simple wrapper
2190 around cpp_interpret_charconst, to which most of the code
2192 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
2193 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
2194 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
2195 (lex): Use cpp_interpret_charconst.
2196 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
2197 hex_digit_value): New functions.
2198 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
2199 * cpplib.h (cpp_interpret_charconst): New prototype.
2200 * Makefile.in: Update.
2202 2001-05-12 Dean Wakerley <dean@wakerley.com>
2204 * doc/install.texi: New file. Converted to texinfo from the HTML
2205 documentation in wwwdocs/htdocs/install.
2207 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
2209 * gcse.c (insert_insn_end_bb): Do not search for assignments to
2210 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2212 * toplev.c (compile_file): Move comment for opening output
2213 file to just before the code that opens the output file.
2215 2001-05-11 Jakub Jelinek <jakub@redhat.com>
2217 * regmove.c (regmove_optimize): Suppress the optimization for
2218 unchanging destination register. Add comment above function.
2220 2001-05-11 Zack Weinberg <zackw@stanford.edu>
2222 * Makefile.in: Exterminate all references to assert.h.
2223 * cross-make: Likewise.
2225 * configure.in: Correct commentary.
2226 * configure: Regenerate.
2228 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
2231 * config/t-freebsd, config/t-linux, config/t-linux-aout,
2232 config/t-netbsd, config/t-rtems, config/x-linux,
2233 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
2234 No need to override INSTALL_ASSERT_H.
2236 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
2237 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
2238 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
2240 2001-05-11 Graham Stott <grahams@redhat.com>
2242 * combine.c (simplify_comparison): Fix typo.
2244 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2246 * loop.h (struct movables): Remove `num'.
2247 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
2248 Adjust call to strength_reduce.
2249 (num_unmoved_movables): New function.
2250 (move_movables): Don't set movables->num.
2251 (strength_reduce): Compute the number of instructions in the loop
2252 here, rather than in the caller.
2253 (check_dbra_loop): Always clear reversible_mem_store if there
2254 are any memory sets.
2255 (loop_regs_scan): Don't count instructions here.
2256 (count_insn_in_loop): New function.
2258 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2260 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
2262 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
2264 * c-common.c (finish_label_expr): New function, lifted from
2265 from cp/semantics.c.
2266 * c-common.h (finish_label_expr, lookup_label): New prototypes.
2267 * c-parse.in: Move 3 blocks of parser code into new functions.
2268 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
2269 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
2270 (lookup_label): Remove.
2272 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
2274 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
2275 FLOAT_BIT_ORDER_MISMATCH.
2277 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2279 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
2280 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
2282 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2284 * expr.c (emit_group_load): extract_bit_field requires a REG or
2287 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
2289 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
2290 a computed jump into an unconditional jump.
2291 In second hunk of code for collapsing computed and conditional jumps
2292 into unconditional jumps, reemit the jump in additional cases.
2294 * jump.c (jump_optimize_1): Do not wrap the new jump target
2295 inside a LABEL_REF; gen_jump will do that automatically.
2297 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
2299 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
2300 contents for a SYMBOL_REF in case of floating point constants.
2302 2001-05-10 DJ Delorie <dj@redhat.com>
2304 * c-common.c (combine_strings): Widen strings in a
2305 host-endian-independent way.
2307 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
2309 * c-parse.in: Remove many shift/reduce conflicts. Update
2311 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
2312 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
2313 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
2314 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
2315 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
2316 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
2317 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
2318 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
2319 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
2320 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
2321 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
2322 typespec_reserved_nonattr, typespec_reserved_attr,
2323 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
2324 structsp_nonattr, components_notype, component_notype_declarator,
2325 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
2326 firstparm, setspecs_fp): New
2327 (typed_declspecs, reserved_declspecs, typed_typespecs,
2328 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
2329 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
2330 declmods_no_prefix_attr, nonempty_type_quals, structsp,
2331 type_quals): Remove. Users updated.
2332 (initdecls, notype_initdecls, after_type_declarator,
2333 parm_declarator, notype_declarator, absdcl1, components, ivars):
2334 Don't allow attributes at the start of a declarator; include them
2335 in the production containing the declarator instead. Always
2336 require type specifiers before trying to redeclare a typedef name.
2337 (typename): Allow for attributes but warn that they are ignored.
2338 (parmlist, firstparm, setspecs_fp): Include attributes in
2339 parmlist; suck them off the parser stack in firstparm using
2342 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
2344 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
2345 to determine if a block has an unconditional jump at its end.
2347 * jump.c (jump_optimize_1): When converting a conditional jump
2348 to an unconditional jump, build the jump using gen_jump instead
2349 of just modify operands in-place.
2351 2001-05-09 Zack Weinberg <zackw@stanford.edu>
2353 * cppinit.c (cpp_post_options): Shut off macro expansion if
2355 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
2356 IN_I directives only if the # is in column 1 and the directive
2357 name begins in column 2.
2358 * cppmain.c (scan_buffer): Insert a space between # and an
2359 identifier, when that identifier is a directive name.
2361 * tradcpp.c (struct file_buf): Add a pointer to the next entry
2362 in the header search path.
2363 (enum node_type): Add T_INCLUDE_NEXT.
2364 (directive_table): Add entry for include_next.
2365 (do_include_next): New function.
2366 (process_include): New routine, broken out of do_include.
2367 (finclude): Insert 'nhd' argument, to be copied into
2368 next_header_dir of the new buffer.
2369 (main): Adjust to match.
2370 * gsyslimits.h, limity.h: Un-indent #include_next.
2372 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
2374 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
2375 inclusion as a chapter of the GCC manual.
2376 * gcc.texi: Include objc.texi.
2377 * fdl.texi: Use @unnumberedsec for the addendum.
2378 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
2380 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2382 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
2384 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
2386 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
2387 handling of two-address insns.
2389 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
2391 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
2392 ../binutils/nm-new instead of ../binutils/nm.
2394 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2396 * i386.md (movdi splitter): Fix the splitting condition
2397 (float_extenddftf splitter): Fix mode.
2399 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
2401 * genrecog.c (write_switch): Avoid outputting of switch for
2402 types wider than int.
2404 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
2406 * reload1.c (copy_eh_notes): New function.
2407 (emit_input_reload_insns): Call it.
2408 (emit_output_reload_insns): Call it.
2410 2001-05-07 Zack Weinberg <zackw@stanford.edu>
2412 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
2414 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
2415 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
2417 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
2419 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
2421 * pa.md (interspace_jump): Revise comment.
2422 (builtin_longjmp): Block initial setup insns from delay slot of
2424 (builtin_setjmp_receiver): New expander to save and restore PIC
2427 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
2429 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
2431 * toplev.c (compile_file): Set up the output file before we call
2432 the various initializers for the compiler.
2434 * except.c (sjlj_mark_call_sites): Do not search for assignments to
2435 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2437 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
2438 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
2440 2001-05-06 Zack Weinberg <zackw@stanford.edu>
2442 * Makefile.in (tradcpp0): Correct typo in dependency list.
2444 2001-05-06 Geoff Keating <geoffk@redhat.com>
2446 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
2447 the link register if we're not going to use it.
2449 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
2450 (output_function_profiler): Likewise.
2452 2001-05-07 Alan Modra <amodra@one.net.au>
2454 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
2456 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
2458 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
2459 zero-extend it. Make abs_inc unsigned.
2461 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
2462 widest mode in narrowing and widening operations.
2464 * config/mips/mips.md: Sign extend CONST_INTs.
2466 2001-05-06 Andreas Jaeger <aj@suse.de>
2468 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
2469 (i386 Options): Document -momit-leaf-frame-pointer.
2471 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
2473 * c-typeck.c (internal_build_compound_expr): Check for
2474 array to pointer conversion just once.
2476 2001-05-05 Richard Henderson <rth@redhat.com>
2478 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
2480 2001-05-05 Richard Henderson <rth@redhat.com>
2482 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
2483 to the parent of the fixup region.
2485 2001-05-05 Jakub Jelinek <jakub@redhat.com>
2487 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
2489 * cpp.texi (__NO_INLINE): Document it.
2491 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
2493 * cppfiles.c (struct include_file): New member err_no.
2494 (find_or_create_entry): Set it.
2495 (open_file): Don't set fds to -2. Instead, use err_no to
2496 remember previous errors, if any.
2498 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2500 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
2501 between X and Y by using sequences of xgdx and xgdy.
2503 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2505 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
2506 of '!' for the 'D' alternative ('!' is too strong).
2507 ("*logicalsi3_silshl16"): Likewise.
2508 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
2509 ("movstrictsi"): Remove spurious '+'.
2510 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
2511 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
2512 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
2515 2001-05-04 David Edelsohn <edelsohn@gnu.org>
2517 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
2519 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
2521 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
2524 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2526 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
2529 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2531 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
2532 soft register, use ror instead of rol.
2534 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2536 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
2537 into account pre/post increment decrement for 68HC12.
2538 Fix other problems in replacement and fix call to reg_mentioned_p.
2540 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2542 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
2543 Put the soft registers in bss for 68HC12.
2544 (L_regs_d3_4): New for _.d3 and _.d4.
2545 (L_regs_d5_6): Likewise.
2546 (L_regs_d1_2): Likewise.
2547 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
2549 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2551 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
2552 to the pre-processor when -fshort-double is specified.
2553 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
2555 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2557 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
2558 (__mulsi3): Rewrite for 68HC12.
2559 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
2560 Mark 'x' constraint with earlyclobber to prevent a
2561 RELOAD_FOR_OTHER_ADDRESS to go in it.
2562 (mulhi3_m68hc12): New pattern.
2563 (mulhi3_m68hc11): Rename of mulhi3.
2564 (mulhi3): New expand for 68HC12 optimisation.
2565 (umulhisi3, mulhisi3): New patterns for 68HC12.
2567 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2569 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
2570 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
2571 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
2573 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2575 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
2576 constants cheap after reload.
2577 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
2579 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
2580 so that gcc prefers a shift by 16.
2581 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
2583 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
2585 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
2587 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2589 * alpha.h: NULL_PTR -> NULL.
2596 * i386.md: Likewise.
2599 * m68hc11.h: Likewise.
2600 * rs6000.h: Likewise.
2603 * sparc.h: Likewise.
2607 * final.c: Likewise.
2609 * recog.c: Likewise.
2611 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2613 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
2614 `bool' parameter to `int'.
2616 * hash.c (hash_lookup): Likewise.
2618 * hash.h (hash_lookup): Likewise.
2620 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
2622 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2624 * i386.c (x86_initialize_trampoline): Fix mode of constant.
2626 2001-05-03 Geoff Keating <geoffk@redhat.com>
2628 * invoke.texi (i386 Options): Delete references to -malign-jumps,
2629 -malign-loops, -malign-functions.
2630 * i386.c (ix86_align_funcs): Delete.
2631 (ix86_align_loops): Delete.
2632 (ix86_align_jumps): Delete.
2633 (override_options): Mark -malign-* as obsolete. Emulate their
2634 behaviour with the -falign-* options. Default -falign-* from
2635 the processor table.
2636 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
2637 patch of Wed May 2 13:09:36 2001.
2638 (LOOP_ALIGN): Delete.
2639 (LOOP_ALIGN_MAX_SKIP): Delete.
2640 (LABEL_ALIGN_AFTER_BARRIER): Delete.
2641 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
2643 2001-05-04 Andreas Jaeger <aj@suse.de>
2645 * except.h: Add prototype declaration for
2646 expand_builtin_init_dwarf_reg_sizes.
2648 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
2650 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
2652 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2654 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
2656 ("bitcmpqi2"): New pattern for bit-extract and test.
2657 ("bitcmphi"): New pattern for bitb/bita instructions.
2659 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
2661 * gccbug.in: Use a temporary directory when the mktemp command is
2664 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2666 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
2668 (INITIALIZE_TRAMPOLINE): Call it.
2669 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
2670 (TRAMPOLINE_TEMPLATE): Remove.
2671 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
2672 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
2675 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2677 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
2678 and crtendS.o with PIC.
2680 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2682 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2684 (___subdi3, ___adddi3): Use x instead of y as index register.
2685 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2686 (__memset, __memcpy): Likewise.
2687 (regs): Put the soft registers in bss for 68HC12.
2688 (abort): Use trap to abort for 68hc12.
2689 (__mulhi3, __mulhi32): Use emul for 68hc12.
2690 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2692 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2694 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2695 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2696 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2697 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2698 Set 68HC12 min offset to -65536.
2699 (print_operand): Put parenthesis arround the operand if it refers
2700 to a symbol having the same name as a register.
2701 (m68hc11_z_replacement): When z register is replaced by its
2702 equivalent soft register, force the insn to be re-recognized.
2703 (m68hc11_check_z_replacement): Fix the test when destination is
2704 the index register and z dies in the insn.
2705 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2707 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2709 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2710 costs according to processor variant.
2711 (m68hc11_shift_cost): New function to compute shift costs.
2712 (m68hc11_rtx_costs): Define costs according to processor variant.
2713 (m6811_cost): Costs for 68HC11.
2714 (m6812_cost): Costs for 68HC12.
2715 (COSTS_N_INSNS): Remove.
2717 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2718 (DEFAULT_RTX_COSTS): Remove.
2719 (CONST_COSTS): Define costs according to OUTER_CODE.
2720 (processor_costs): New struct to define costs.
2721 (m68hc11_cost): Pointer to current costs.
2723 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2725 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2726 and use m68hc11_notice_keep_cc when using leax/leay.
2727 (addhi3 split): Reject split if the insn is handled by
2729 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2730 push must be handled in a special way if the source operand uses
2731 sp as index register.
2732 (m68hc11_notice_keep_cc): New function.
2733 (m68hc11_gen_movhi): Use it when an insn changes a register but
2735 (m68hc11_gen_movqi): Fix move for 68HC12.
2736 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2738 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2740 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2741 and don't pass operands[0] to emit_library_call_value.
2743 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2745 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2746 (zero_extendsi split): Simplify and use (zero_extendhi).
2747 (*addhi3): Remove 'w' constraint since stack pointer is handled
2749 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2750 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2751 (*ashrhi3_const): Fix shift by 7.
2752 (*lshrsi3_const16): Fix template.
2753 (call, call_value): Fix constraint and predicate.
2755 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2757 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2758 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2759 (CC_REGNUM): Likewise.
2760 (*unnamed splits): Use above constants instead of hard coded numbers.
2761 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2762 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2763 (*return_16bit, *unnamed peepholes): Likewise.
2765 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2767 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
2768 rs6000/rs6000.h twice.
2770 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
2772 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
2773 (CPP_SPEC): Conditionally define MSDOS and GO32.
2774 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
2775 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
2777 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
2779 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2781 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
2783 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2785 * integrate.h (struct inline_remap): Add leaf_reg_map table.
2786 * integrate.c (expand_inline_function): Use xcalloc to allocate
2788 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
2791 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2793 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
2796 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2798 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
2799 linker if -mrelax is given.
2800 (TARGET_SWITCHES): Document -mrelax.
2802 Re-installed 2001-01-09's patch:
2803 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2804 if it's wider than long and the target's long is wider than the
2807 2001-05-02 David O'Brien <obrien@FreeBSD.org>
2809 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
2810 directly include rs6000/rs6000.h. Instead do it in tm.h.
2812 2001-05-02 Stan Shebs <shebs@apple.com>
2814 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
2815 NSConstantString for NeXT-style runtimes.
2816 (STRING_OBJECT_GLOBAL_NAME): New macro.
2817 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
2818 OCTI_STRING_CLASS_DECL.
2819 (constant_string_global_id): New macro.
2820 (string_class_decl): Ditto.
2821 (setup_string_decl): New function.
2822 (build_objc_string_object): Use it to build a NeXT runtime
2823 compatible string initializer.
2825 2001-05-02 Jakub Jelinek <jakub@redhat.com>
2827 * tradcpp.c (do_define): Make sure we don't walk past limit.
2829 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2831 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
2832 offsets if not REG_OK_STRICT.
2834 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
2835 (INT_REG_OK_FOR_INDEX_P): Likewise.
2836 (INT_REG_OK_FOR_BASE_P): Likewise.
2837 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
2838 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
2839 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
2840 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
2841 REG_OK_FOR_BASE_P. Take an additional parameter.
2842 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
2843 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
2844 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
2845 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
2846 rs6000_legitimate_address() and use it.
2847 * config/rs6000/rs6000.c: Update all callers.
2848 (rs6000_legitimate_address): New function.
2850 2001-05-02 David Edelsohn <edelsohn@gnu.org>
2852 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
2853 special_constant conditional blocks together.
2855 2001-05-02 Dale Johannesen <dalej@apple.com>
2857 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2859 (STRICT_ARGUMENT_NAMING): Define.
2860 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2861 function_arg_partial_nregs, setup_incoming_varargs): Remove
2862 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2865 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2867 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
2869 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2872 * expr.c (store_field): Do nothing except elaborate side-effects if
2875 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2877 * c-lex.c: NULL_PTR -> NULL.
2879 * emit-rtl.c: Likewise.
2881 * genpeep.c: Likewise.
2883 * mips-tdump.c: Likewise.
2884 * reload1.c: Likewise.
2885 * rtlanal.c: Likewise.
2887 * stor-layout.c: Likewise.
2888 * toplev.c: Likewise.
2890 2001-05-01 Per Bothner <per@bothner.com>
2892 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2893 call do_pending_stack_adjust before emiting label.
2895 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2897 * extend.texi: Fix typo.
2899 2001-05-01 Stan Shebs <shebs@apple.com>
2901 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2902 of UOBJC_MODULES_decl.
2903 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2904 (generate_descriptor_table): Ditto.
2905 (generate_protocols): Ditto.
2906 (generate_protocol_list): Ditto.
2907 (generate_classref_translation_entry): Ditto.
2909 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2911 * invoke.texi (Optimize Options): Add documentation for `--param
2912 max-delay-slot-insn-search' and `--param
2913 max-delay-slot-live-search' and reorder --param section.
2914 * params.def: Modify initial comment.
2915 * params.h (param_info): Add `help' member.
2916 * toplev.c (lang_independent_params): Include `help' description.
2917 (display_help): Print --param parameters.
2919 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2921 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
2922 Remove references to deleted files.
2923 (*-*-openbsd): No need to override xmake_file.
2924 (*-*-sysv4): Treat like *-*-sysv.
2926 * configure.in: Probe for ldopen in various places, and set up
2927 collect2 to be linked with them if found.
2928 Don't dink with Windows registry stuff unless $host_os is a
2929 Win32 os name. Check to see if we need -ladvapi32.
2930 * configure: Regenerate.
2932 * Makefile: Get rid of CLIB and HOST_CLIB.
2933 Substitute in COLLECT2_LIBS and link collect2 against its contents.
2934 * build-make: Get rid of HOST_CLIB.
2936 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2937 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2938 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2939 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
2940 config/rs6000/x-rs6000: Delete.
2942 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
2945 24 x-host fragments remain, 0 x-cpu, 3 top level.
2947 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2949 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
2950 * configure: Regenerate.
2952 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
2954 * Makefile.in (install-headers): Remove redundant dependency.
2956 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2958 * c-tree.texi (USING_STMT): Document.
2960 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2962 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
2963 * c-common.c: Likewise.
2964 * c-decl.c: Likewise.
2965 * combine.c: Likewise.
2966 * rs6000.c: Likewise.
2967 * except.c: Likewise.
2968 * explow.c: Likewise.
2970 * fold-const.c: Likewise.
2971 * function.c: Likewise.
2974 * integrate.c: Likewise.
2976 * objc/objc-act.c: Likewise.
2977 * recog.c: Likewise.
2978 * reg-stack.c: Likewise.
2979 * reload.c: Likewise.
2980 * reload1.c: Likewise.
2981 * simplify-rtx.c: Likewise.
2983 * varasm.c: Likewise.
2985 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
2987 * diagnostic.def: New file.
2988 * diagnostic.h (diagnostic_t): New enum.
2989 * Makefile.in (diagnostic.o): Depend on diagnostic.def
2991 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2993 * tsystem.h: Test only POSIX for availability of string.h
2995 * config.gcc (all systems): If USG appeared in xm_defines,
2996 change it to POSIX. If both USG and POSIX appeared, just
2997 delete USG. Remove unnecessary quotes around xm_defines
2999 (m68k-crds-unos*): Don't #define unos - tested nowhere.
3000 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
3001 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
3002 powerpc-*-linux*): No need to set xm_defines - handled by
3003 global settings for *-*-linux*.
3005 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3007 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
3008 Always include gstab.h, not system stab.h. Don't provide
3009 default definitions of N_CATCH or N_OPT. Always use the
3010 gstab.h variant of STAB_CODE_TYPE.
3011 * final.c: Don't include stab.h/gstab.h at all, or provide
3012 defaults for N_SLINE and N_SOL.
3014 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
3015 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
3017 * sdbout.c: Always include gsyms.h instead of system syms.h.
3019 * configure.in: No need to check for stab.h.
3020 * configure, config.in: Regenerate.
3021 * Makefile.in (final.o): Don't depend on gstab.h.
3023 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3024 Richard Henderson <rth@redhat.com>
3026 * extend.texi: Improve documentation of volatile asms.
3028 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3030 * c-tree.texi: Fix thinko.
3031 * gcc.texi: Likewise.
3033 2001-04-30 Richard Henderson <rth@redhat.com>
3035 * c-common.c (c_promoting_integer_type_p): New function, from the
3036 corpse of old macro. Properly promote too-small enumerations and
3037 booleans. Adjust all callers.
3038 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
3039 (c_promoting_integer_type_p): Declare.
3040 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
3041 * c-typeck.c: Likewise.
3042 (default_conversion): Remove now redundant boolean check.
3044 2001-04-30 Jan Hubicka <jh@suse.cz>
3045 Richard Henderson <rth@redhat.com>
3047 * regmove.c (try_apply_stack_adjustment): Remove now redundant
3049 (combine_stack_adjustments_for_block): Don't combine stack
3050 allocation followed by deallocations. Handle grow-up stacks.
3052 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3054 * fdl.texi: New file.
3055 * c-tree.texi: Use the GFDL.
3056 * gcc.texi: Likewise.
3058 2001-04-30 Stan Shebs <shebs@apple.com>
3060 * invoke.texi: Add a section documenting Objective-C options.
3062 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
3064 * emit-rtl.c (try_split): Copy EH notes to sequence.
3066 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3068 * regmove.c (record_stack_memrefs): Catch all references to the
3071 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
3073 * Makefile.in (stmp-fixinc): quote shell assignment values
3075 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3077 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
3081 * prefix.c: Likewise.
3083 2001-04-28 Stan Shebs <shebs@apple.com>
3085 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
3086 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
3087 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
3088 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
3090 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
3091 (NEXT_OBJC_RUNTIME): Define.
3093 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
3095 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
3096 * simplify-rtx.c (simplify_gen_relational): Likewise.
3098 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
3100 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
3101 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
3103 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
3104 registers in SSE case; fix handling of the immediates.
3105 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
3106 operands to be in regsiters before reload.
3107 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
3108 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
3109 (abstf,absxf,negtf,negxf splitters): Compute
3110 properly the regnum for x86_64.
3111 (avsdf2_if_rex64): New.
3113 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
3115 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
3116 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
3117 into the constant pool.
3118 * jump.c (jump_optimize_1): Remove barrier successors after all
3119 the LABEL_NUSES counds have been computed.
3120 (delete_barrier_successors): When deleting a tablejump insn, also
3121 delete the jump table it uses.
3122 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
3125 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
3127 * pa.c (FRP): Remove erroneous white space in macro definition.
3129 2001-04-28 Andreas Jaeger <aj@suse.de>
3131 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
3133 * extend.texi: Likewise.
3134 * tm.texi: Likewise.
3136 2001-04-28 Andreas Jaeger <aj@suse.de>
3138 * md.texi: Use XX-bit instead of XXbit or XX bit where
3141 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
3143 * gcc.c (process_command): Allow -l lib in addition to -llib
3144 for POSIX compliance. This fixes PR c/2347.
3146 * invoke.texi: Update section on Link Options accordingly.
3148 2001-04-27 Zack Weinberg <zackw@stanford.edu>
3150 * function.c (purge_addressof_1): Remove the duplicate
3151 if (code == SET) block. Fold the two if (code == ADDRESSOF)
3154 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
3156 * except.c (expand_eh_region_start): Don't start a new block.
3157 (expand_eh_region_end): Don't end a block.
3158 * stmt.c (expand_end_bindings): Don't end EH blocks.
3159 (expand_decl_cleanup): Starting an EH region won't change the block.
3160 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
3161 (is_eh_region): Lose.
3164 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
3166 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
3168 * collect2.c (main): Add `-L' case to remove duplicate entries.
3169 (is_in_args): New function to check for a duplicate argument.
3170 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
3171 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
3172 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
3173 Define to be nonzero.
3175 2001-04-27 Andreas Jaeger <aj@suse.de>
3176 Richard Henderson <rth@redhat.com>
3178 * md.texi (Machine Constraints): Document additional i386
3179 constraints and fix description of "A".
3181 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
3183 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
3185 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
3187 * except.c (get_exception_filter): word_mode, not Pmode.
3189 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
3191 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
3192 common to other movsf patterns. Move up so that in future
3193 people who change the other patterns will change it too.
3194 (movsf_lo_sum): Allow even for soft-float; add appropriate
3196 (movsf_high): Likewise.
3197 (movsf_high+1): Allow even for soft-float.
3199 * function.c (expand_function_end): Always clobber the
3200 return registers, even if there is no return label.
3202 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3204 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
3206 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
3208 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
3209 (pushqi2_rex64, pushhi2_rex64): Add.
3211 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
3213 * except.c (expand_eh_region_end_cleanup): Force pending stack
3214 adjust before emitting label that branches around cleanup code.
3216 2001-04-26 H.J. Lu (hjl@gnu.org)
3218 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
3220 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
3222 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
3223 (ASM_OUTPUT_SECTION_NAME): Likewise.
3224 (ASM_WEAKEN_LABEL): Likewise.
3225 (UNIQUE_SECTION): Likewise.
3226 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3227 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3228 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
3229 (ASM_OUTPUT_SECTION_NAME): Likewise.
3230 (ASM_WEAKEN_LABEL): Likewise.
3231 (UNIQUE_SECTION): Likewise.
3232 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3233 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3234 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
3235 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
3236 (ASM_FILE_START): Likewise.
3237 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3238 (ASM_DECLARE_OBJECT_NAME): Likewise.
3239 (ASM_FILE_END): Likewise.
3240 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3241 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3242 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3243 (ASM_OUTPUT_CASE_LABEL): Likewise.
3244 (ASM_OUTPUT_SKIP): Likewise.
3245 (ASM_OUTPUT_ASCII): Likewise.
3246 (ASM_OUTPUT_IDENT): Likewise.
3247 (READONLY_DATA_SECTION): Likewise.
3248 (EXTRA_SECTIONS): Likewise.
3249 (EXTRA_SECTION_FUNCTIONS): Likewise.
3250 (SELECT_RTX_SECTION): Likewise.
3251 (SELECT_SECTION): Likewise.
3253 * config/mips/linux.h (INVOKE__main): Undefine.
3254 (CTOR_LIST_BEGIN): Likewise.
3255 (CTOR_LIST_END): Likewise.
3256 (DTOR_LIST_BEGIN): Likewise.
3257 (DTOR_LIST_END): Likewise.
3258 (SET_ASM_OP): Defined it to ".dummy".
3259 (ASM_OUTPUT_DEF): Defined.
3260 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
3262 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
3264 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
3265 assembler supports .p2align.
3267 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
3269 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
3271 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3273 * integrate.c (expand_inline_function): Check for error_mark_node
3276 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3278 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
3281 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
3283 * configure.in (configargs.h): Define thread_model.
3284 * configure: Rebuilt.
3285 * gcc.c (main): Print it with -v.
3287 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
3289 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
3290 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
3291 * gcc.1: Regenerate.
3293 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3295 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
3296 is_redundant_typedef): Use static inline instead of inline static.
3298 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
3300 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
3301 this directory is always searched.
3303 2001-04-25 Richard Henderson <rth@redhat.com>
3305 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
3306 of registers to restore along non eh_return path.
3308 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3310 * c-format.c (check_format_info_recurse): Handle
3311 PLUS_EXPR for format string.
3313 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3315 * config/ia64/ia64.h (CC1_SPEC): Define.
3316 * config/ia64/linux.h (CC1_SPEC): Define.
3318 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
3320 * emit-rtl.c (constant_subword): Also do sign extension in
3321 BITS_PER_WORD == 16 case.
3323 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
3325 * loop.c (try_swap_copy_prop): Go back to checking insn.
3327 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3329 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
3330 if check_mode is non-zero.
3332 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3334 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
3335 out and comparison sequence has been detected, put result into
3336 proper temporary pseudo.
3338 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3340 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
3341 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
3342 * libgcc2.c: Remove __dummy and __builtin_saveregs.
3343 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
3344 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
3345 for future reference.
3347 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
3349 * except.c (reachable_handlers): Step out one level from a RESX.
3351 * except.c (struct eh_region): Rename 'last' to 'resume'.
3352 (mark_eh_region, duplicate_eh_region_1): Adjust.
3353 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
3354 (build_post_landing_pads): Likewise.
3355 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
3356 (expand_eh_region_end_must_not_throw): Likewise.
3357 (connect_post_landing_pads): Thread (only) regions with non-deleted
3360 * except.c (expand_eh_region_end_cleanup): Save the EH return data
3361 registers around the cleanup.
3362 (get_exception_filter): New fn.
3363 (finish_eh_generation): Use it.
3365 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
3367 * c-semantics.c (add_scope_stmt): Don't call
3368 current_scope_stmt_stack multiple times.
3370 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3371 Nathan Sidwell <nathan@codesourcery.com>
3373 Lazy __FUNCTION__ generation.
3374 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
3375 RID_C99_FUNCTION_NAME): New _RIDs.
3376 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
3377 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
3378 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
3380 (function_id_node, pretty_function_id_node, func_id_node): Remove.
3381 (c99_function_name_decl_node, function_name_decl_node,
3382 pretty_function_name_decl_node, saved_function_name_decls):
3384 (struct language_function): Remove x_function_name_declared_p.
3385 (make_fname_decl): Remove a parameter.
3386 (declare_function_names): Remove prototype.
3387 (start_fname_decls, finish_fname_decls): Prototype.
3388 (fname_as_string): Likewise.
3389 (fname_string, fname_decl): Likewise.
3390 * c-common.c (make_fname_decl): Adjust.
3391 (struct fname_var_t): New struct.
3392 (fname_vars): New static array.
3393 (declare_function_name): Remove.
3394 (start_fname_decls, finish_fname_decls): New functions.
3395 (fname_as_string): New function from remnants of
3396 declare_function_name.
3397 (fname_string, fname_decl): New functions.
3399 * c-decl.c (c_function_name_declared_p): Remove.
3400 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
3401 don't call declare_function_name. Call start_fname_decls.
3402 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
3403 clobber the line number. Call finish_decl.
3404 (start_function): Call start_fname_decls.
3405 (finish_function): Call finish_fname_decls.
3406 Remove c_function_name_declared_p.
3407 (push_c_function_context): Don't push c_function_name_declared_p.
3408 (pop_c_function_context): Don't pop c_function_name_declared_p.
3409 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
3410 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
3411 (program): Call finish_fname_decls for C.
3412 (primary): Add VAR_FUNC_NAME.
3413 (reswords): Add slots for __FUNCTION__ et al.
3414 (rid_to_yy): Add mappings for __FUNCTION__ et al.
3415 (yylexname): If it's a STRING_FUNC_NAME generate the function name
3416 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
3417 * c-semantics.c (prune_unused_decls): Remove.
3418 (finish_stmt_tree): Don't call prune_unused_decls.
3419 (genrtl_decl_stmt): Don't prune unused decls here.
3421 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
3423 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
3424 constant pool, use the pool's SYMBOL_REF instead.
3426 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
3429 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
3431 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
3432 passing nested NOP_EXPRs to fold.
3434 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
3436 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
3438 2001-04-22 Mark Mitchell <mark@codesourcery.com>
3440 * loop.c (loop_delete_insns): Add prototype.
3442 2001-04-23 Phil Edwards <pme@sources.redhat.com>
3444 * configure.in: Remove ENABLE_STD_NAMESPACE.
3445 * config.in: Regenerated.
3446 * configure: Regenerated.
3448 2001-04-22 Stan Shebs <shebs@apple.com>
3450 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
3452 * config/rs6000/xm-darwin.h: Remove file.
3454 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3456 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
3457 (write_c_file_stat): Likewise.
3459 * dbxout.c (dbxout_init): Likewise.
3461 * profile.c (output_func_start_profiler): Likewise.
3463 2001-04-22 Philipp Thomas <pthomas@suse.de>
3465 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
3466 require it instead of the CVS version.
3467 * cpperror.c (v_message): Put a blank before the macro
3468 body to not confuse exgettext.
3470 2001-04-21 Mark Mitchell <mark@codesourcery.com>
3472 * flow.c (proagate_one_insn): Remove useless assignment.
3473 * jump.c (delete_insn): Tidy.
3474 * loop.c (try_copy_prop): When deleting an instruction with a
3475 REG_RETVAL note, delete the entire libcall sequence.
3476 (loop_delete_insns): New function.
3477 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
3478 we're not substituting into them yet.
3480 2001-04-21 Kazu Hirata <kazu@hxi.com>
3482 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
3484 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
3486 * config/i960/i960.c (signed_arith_operand): Likewise.
3488 * calls.c (expand_call): Fix a comment typo.
3490 2001-04-20 Zack Weinberg <zackw@stanford.edu>
3492 * configure.in: Probe for times, clock, struct tms, and clock_t.
3493 * configure, config.in: Regenerate.
3494 * timevar.c: Replace ifdef forest in get_time with (relatively)
3495 straightforward series of checks based on autoconf's probes.
3497 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
3499 * config/pa/som.h (NM_FLAGS): Define.
3501 2001-04-20 Bernd Schmidt <bernds@redhat.com>
3503 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
3505 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
3506 * ia64.c (nop_cycles_until): New function.
3507 (prev_cycle, prev_first, last_issued): New static variables.
3508 (ia64_sched_reorder): Additional arg for clock.
3509 On final scheduling pass, emit extra NOPs as needed.
3510 Set prev_first and prev_cycle.
3511 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
3512 (ia64_variable_issue): Set last_issued.
3514 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
3516 * config/i386/i386.c (ix86_expand_int_movcc,
3517 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
3519 2001-04-20 Geoff Keating <geoffk@redhat.com>
3521 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
3522 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
3523 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
3524 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
3525 ctrdi_internal6): In the short-branch case, this insn is only 4
3526 bytes long. Reported by Reza Yazdani <reza@apple.com>.
3528 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3530 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
3531 "=u" is used together with "st" resp. "st(1)" clobber.
3533 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3535 * gcse.c (gcse_main): Fix comment typo.
3536 (delete_null_pointer_check): Likewise.
3537 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
3538 * cse.c (cse_insn): Likewise.
3539 * function.c (fixup_var_refs_insns_with_hash): The sequence is
3542 2001-04-19 Zack Weinberg <zackw@stanford.edu>
3544 * toplev.c: Excise all code for the undocumented -dm option.
3545 (float_signal): Call signal just once, unconditionally.
3547 2001-04-19 Geoff Keating <geoffk@redhat.com>
3549 * fold-const.c (fold): Use first_rtl_op rather than
3550 TREE_CODE_LENGTH when looping over parameters of a tree.
3551 Correct strange grouping in test for evaluated SAVE_EXPR.
3553 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
3555 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
3556 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
3558 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
3559 name at 32 total characters.
3560 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
3561 functions in named sections -- data items can still go into unique
3562 sections, but they have normal names (ie $LIT$ and $DATA$).
3564 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
3567 2001-04-19 DJ Delorie <dj@redhat.com>
3569 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3570 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
3571 * config/i386/cygwin.h: Likewise.
3572 * config/i386/mingw32.h: Likewise.
3573 * config/vax/vms.h: Likewise.
3574 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
3576 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3577 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
3578 * config/i386/xm-cygwin.h: Likewise.
3579 * config/i386/xm-djgpp.h: Likewise.
3580 * config/i386/xm-mingw32.h: Likewise.
3581 * config/vax/xm-vms.h: Likewise.
3583 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
3584 instead of OBJECT_SUFFIX.
3585 * collect2.c (find_a_file): Look for files matching the extension
3586 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
3587 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
3588 TARGET_EXECUTABLE_SUFFIX.
3589 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
3590 (make_relative_prefix): Likewise.
3591 (convert_filename): Use TARGET_ suffixes throughout. Remove
3593 (process_command): Likewise.
3594 (do_spec_1): Likewise.
3595 * java/lang.c (init_parse): Likewise.
3597 * gcc.texi : Document four new options matching the pattern
3598 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
3599 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
3600 documentation for NO_AUTO_EXE_SUFFIX.
3602 2001-04-19 Mark Mitchell <mark@codesourcery.com>
3604 * toplev.h (struct lang_hooks): Allow decode_option to indicate
3605 that language-independent processing should not be done.
3606 * toplev.c (main): Adjust accordingly.
3608 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
3609 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
3611 * mips.md (reload_outputdi): Require that operand0 be a
3614 2001-04-19 Jakub Jelinek <jakub@redhat.com>
3616 * invoke.texi (-Wshadow): Clarify.
3618 2001-04-18 Mark Mitchell <mark@codesourcery.com>
3620 * loop.c (load_mems): Examine all the instructions in the loop
3621 before concluding that all jumps branch to the first instruction
3624 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
3626 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
3628 2001-04-18 Jakub Jelinek <jakub@redhat.com>
3630 * cpp.texi (-Wwhite-space): Remove.
3631 (-Wall): -Wall does not imply -Wwhite-space.
3633 2001-04-17 Zack Weinberg <zackw@stanford.edu>
3635 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
3636 use it instead of blindly generating a .stabs.
3637 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
3639 * xcoffout.c: Don't bother defining default for N_CATCH.
3640 (UNKNOWN_STAB): Use internal_error.
3641 (stab_to_sclass): Remove now-unnecessary aborts.
3642 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
3644 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
3646 * jump.c (mark_all_labels): Canonicalize the tail recursion
3647 label attached to CALL_PLACEHOLDER insns.
3649 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3651 * output.h (dump_flow_info, free_basic_block_vars,
3652 which_alternative): Delete redundant prototypes.
3654 * rtl.h (bss_section): Likewise.
3656 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
3658 * dbxout.c (N_OPT): Define if not available from <stab.h>
3660 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3662 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
3663 libraries and native K&R compilers.
3665 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3667 * c-typeck.c (convert_arguments): Don't check for width changes
3670 * invoke.texi (-Wtraditional): Update documentation.
3672 2001-04-16 Zack Weinberg <zackw@stanford.edu>
3674 * toplev.c (output_lang_identify): Delete.
3675 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
3676 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
3677 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
3678 after calling ASM_FILE_END.
3680 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
3681 Instead, unconditionally emit an N_OPT stab with string equal
3682 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
3684 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
3686 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
3687 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
3688 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
3689 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
3690 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
3691 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
3692 config/i370/i370.h, config/i386/beos-elf.h,
3693 config/i386/osf1elf.h, config/i386/osfrose.h,
3694 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
3695 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
3696 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
3697 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
3698 config/mips/iris6.h, config/mips/osfrose.h,
3699 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
3700 config/sparc/sp64-elf.h:
3701 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
3702 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
3704 * config/elfos.h, config/freebsd.h, config/linux.h,
3705 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
3706 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
3707 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
3708 of ASM_FILE_START which merely emit a .version directive. Delete
3709 definitions of ASM_FILE_END which merely emit an .ident directive.
3711 * config/avr/avr.h, config/vax/vax.h: Delete definition of
3712 ASM_IDENTIFY_GCC and move part of its logic into
3715 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
3716 config/sparc/linux-aout.h: Don't emit .version directive in
3719 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
3720 (output_file_start): Correct comment.
3722 * config/i386/osfrose.h: Don't emit trailing .ident directive.
3723 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
3725 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
3726 * config/rs6000/aix.h: Correct comment.
3728 * config/i386/i386afe.h: Delete.
3729 * config.gcc: Remove references to i386afe.h.
3731 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
3732 other macros deleted by this patch were undocumented.
3734 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
3736 * pa.md (reload_outdi): Operand 0 must be a non hard register.
3738 * pa.c (secondary_reload_class): SAR<->FP copies require a
3741 * install.texi (mips-mips-bsd): Update list of functions
3742 required to include memmove.
3743 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
3744 used functions to include memmove.
3746 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
3748 * i386.md (sqrtdf2): SFmode should be DFmode.
3750 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
3752 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
3753 (find_moveable_store): Likewise.
3755 2001-04-15 Jim Wilson <wilson@redhat.com>
3757 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
3759 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
3761 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
3762 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
3764 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
3766 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
3769 2001-04-14 Alan Modra <amodra@one.net.au>
3771 * pa.c (force_mode): New function.
3772 (emit_move_sequence): Use it instead of generating new rtx_REGs.
3774 2001-04-13 Jim Wilson <wilson@redhat.com>
3776 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
3777 (first_instruction): New static variable.
3778 (rtx_needs_barrier): Return 1 for alloc.
3779 (init_insn_group_barriers): Set first_instruction.
3780 (rws_sum): Delete duplicate definition.
3781 (group_barrier_needed_p): Return 0 when first_instruction true.
3782 (safe_group_barrier_needed_p): Save and restore first_instruction
3783 around group_barrier_needed_p call.
3785 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
3787 * expr.h (enum libfunc_index): Add LTI_memmove.
3788 (memmove_libfunc): Define macro.
3789 * optabs.c (init_optabs): Initialize memmove_libfunc.
3790 * expr.c (expand_assignment): Use memmove_libfunc instead of
3793 2001-04-13 Alan Modra <alan@linuxcare.com.au>
3795 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
3798 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3800 * Makefile.in (reg-stack.o): Depend on reload.h.
3801 (insn-attrtab.o): Depend on flags.h.
3803 * genattrtab (main): Include flags.h in insn-attrtab.c.
3805 * reg-stack.c: Include reload.h.
3807 * sparc.h (flag_pic): Delete redundant declaration.
3809 * output.h (flag_pic): Likewise.
3811 * tree.h (pedantic): Likewise.
3813 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3815 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
3817 * jump.c, regmove.c, toplev.c: Include reload.h.
3819 * reload.h (reload_cse_regs): Declare.
3821 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
3822 reload_cse_regs, init_reload, mark_home_live, reload,
3823 init_caller_save): Delete redundant prototypes.
3825 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3827 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
3829 * regclass.c, ssa.c: Include expr.h.
3831 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
3832 gen_move_insn): Delete redundant declarations.
3834 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3836 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
3837 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
3838 MAKEINFO and MAKEINFOFLAGS too.
3839 (stage4_build): Correctly order -B flags.
3841 2001-04-13 Alan Modra <amodra@one.net.au>
3843 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
3844 PIC_OFFSET_TABLE_SAVE_RTX.
3845 (zdepi_cint_p): Describe zdepi insn.
3846 Formatting and white space fixes throughout file.
3848 * pa.c (uint32_operand): Don't use long constant >= 2^32.
3849 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
3850 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
3851 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
3852 (output_64bit_and): Use plain `int's for shift counts.
3853 (output_64bit_ior): Likewise.
3854 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
3855 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
3858 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
3859 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
3860 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
3861 NEW_HP_ASSEMBLER into one. Kill warnings.
3863 * pa-gas.h: Delete file.
3864 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
3865 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
3866 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
3867 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
3869 * config/pa/mill32.S: New file.
3870 * config/pa/mill64.S: New file.
3871 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
3872 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
3873 * config/pa/t-linux64: New file.
3874 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
3875 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
3876 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
3878 * elfos.h (SELECT_SECTION): Undef before defining.
3879 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
3880 (LIB_SPEC): Remove -lmilli.
3881 (DBX_REGISTER_NUMBER): Remove.
3882 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
3883 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
3884 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
3885 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
3886 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
3887 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
3888 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
3889 TARGET_GAS): Define.
3890 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
3891 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
3892 regs if we don't have a prototype.
3893 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
3894 * pa.h (TARGET_ELF32): Default to 0 if undefined.
3895 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
3896 EH_RETURN_HANDLER_RTX): Define.
3897 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
3898 (DWARF_FRAME_REGNUM): Define.
3899 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
3900 * pa32-linux.h: New file.
3901 * pa64-linux.h: New file.
3903 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3904 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
3905 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
3906 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
3907 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
3908 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
3909 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3910 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3911 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
3912 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
3913 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3914 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
3915 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
3916 * pa64-hpux.h: New file.
3917 (ASM_FILE_START): Correct typo.
3918 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
3919 * config.gcc: Modify for above.
3921 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3923 * jump.c (jump_optimize_1): Don't delete dead stores here.
3924 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
3925 prior to running jump optimize before cse2.
3927 2001-04-12 Richard Henderson <rth@redhat.com>
3929 * Makefile.in (regmove.o): Depend on except.h.
3930 * regmove.c: Include it.
3932 2001-04-12 Stan Shebs <shebs@apple.com>
3934 * objc/objc-act.c: Remove all code ifdefed with the never-used
3935 macro OBJC_INT_SELECTORS.
3936 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3937 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
3939 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3941 * config/pa/quadlib.c: Add prototypes.
3943 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3945 * bitmap.h (debug_bitmap): Delete redundant prototype.
3947 * rtl.h (get_frame_size): Likewise.
3949 2001-04-12 Jim Wilson <wilson@redhat.com>
3951 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
3952 to just emit an fnorm.
3954 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3956 * c-common.h (truthvalue_conversion, type_for_mode,
3957 type_for_size): Delete redundant declarations.
3959 * c-lex.h (is_class_name): Likewise.
3961 * c-tree.h (pedantic, convert, getdecls, gettags,
3962 global_bindings_p, init_decl_processing, insert_block,
3963 maybe_build_cleanup, poplevel, print_lang_decl,
3964 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
3965 set_block, incomplete_type_error, build_function_call,
3966 lvalue_or_else, mark_addressable): Likewise.
3968 * expr.h (expand_tree_builtin): Likewise.
3970 2001-04-12 Mark Mitchell <mark@codesourcery.com>
3972 * invoke.texi: Document --param max-gcse-memory.
3974 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3976 * configure.in (errno): Check for declaration.
3977 * configure, config.in: Regenerated.
3979 * system.h (errno): Only declare if not already done.
3981 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3983 * recog.c (general_operand, immediate_operand,
3984 nonmemory_operand): Require CONST_INTs to be sign-extended
3985 values for their modes.
3987 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3989 * expmed.c (store_bit_field): Truncate CONST_INTs.
3990 (expand_mult_highpart, expand_divmod): Likewise.
3991 * expr.c (convert_modes, store_field): Likewise.
3992 * integrate.c (expand_inline_function): Use promote_mode() to
3993 determine whether to convert_modes() an argument as signed
3995 * optabs.c (expand_binop): Get CONST_INT operands
3996 sign-extended for their appropriate modes.
3997 * stmt.c (emit_case_nodes): Convert node values to the
3999 (expand_end_case): Convert minval and range to the appropriate
4001 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
4002 the iteration variable.
4003 * varasm.c (immed_double_const): Don't require words to be
4004 narrower than host wide ints to properly sign-extend
4007 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
4009 * sh.md (builtin_setjmp_receiver): New expander.
4011 2001-04-12 David Edelsohn <dje@watson.ibm.com>
4013 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
4014 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
4015 for generating CONST_INT and CONST_DOUBLE.
4017 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4019 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
4020 already sign-extended.
4021 (rs6000_emit_prologue): Make register iterator signed.
4022 (rs6000_emit_epilogue): Likewise.
4023 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
4025 (movsf split, movdf split): Sign-extend CONST_INTs.
4026 (movdi splits): Likewise.
4028 2001-04-12 Kelley Cook <kelley.cook@home.com>
4030 * config-lang.in (lang_dirs): Add in zlib.
4032 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
4034 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
4035 operands that make it to RTL.
4037 2001-04-11 Stan Shebs <shebs@apple.com>
4039 Add Darwin (Mac OS X kernel) native support.
4040 * config.gcc (powerpc-*-darwin*): Add native bits.
4041 * config/darwin.c: New file, generic Darwin support functions.
4042 * config/darwin.h: New file, generic Darwin definitions.
4043 * config/darwin-protos.h: New file, generic Darwin prototypes.
4044 * rs6000/darwin.h: New file, Darwin for PowerPC.
4045 * rs6000/t-darwin: New file, Darwin makefile fragment.
4046 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
4047 (TARGET_MACHO): Ditto.
4048 (rs6000_abi): Add ABI_DARWIN.
4049 (RS6000_REG_SAVE): Add ABI_DARWIN case.
4050 (RS6000_SAVE_AREA): Ditto.
4051 (FP_ARG_MAX_REG): Ditto.
4052 (RETURN_ADDRESS_OFFSET): Ditto.
4053 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
4055 (rs6000_emit_move): Add ABI_DARWIN cases.
4056 (print_operand): Ditto.
4057 (first_reg_to_save): Ditto.
4058 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
4059 (debug_stack_info): Ditto.
4060 (rs6000_emit_prologue): Ditto.
4061 (rs6000_emit_epilogue): Ditto.
4062 (output_profiler_hook): Ditto.
4063 (output_function_profiler): Ditto.
4064 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
4065 (output_mi_thunk): Add TARGET_MACHO case.
4066 (add_compiler_stub): Ditto.
4067 (output_compiler_stub): Ditto.
4068 (no_previous_def): Ditto.
4069 (output_call): Ditto.
4070 (machopic_output_stub): Ditto.
4071 (rs6000_machopic_legitimize_pic_address): Ditto.
4072 (toc_section): Ditto.
4073 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
4074 (macho_high): Ditto.
4077 (load_macho_picbase): Ditto.
4078 (call): Add TARGET_MACHO case to modify function.
4079 (call_value): Ditto.
4080 (call_nonlocal_sysv): Add ABI_DARWIN case.
4081 (call_value_nonlocal_sysv): Ditto.
4082 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
4084 (machopic_output_stub): Ditto.
4085 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
4087 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4089 * dwarf2out.c (modified_type_die): Don't create new types here.
4090 * tree.h (get_qualified_type): New function.
4091 (build_qualified_type): Adjust comment.
4092 * tree.c (get_qualified_type): New function.
4093 (build_qualified_type): Use it.
4095 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4097 * cpp.texi (-Wtraditional): Update description.
4099 * invoke.texi (-Wtraditional): Likewise.
4101 2001-04-11 Jim Wilson <wilson@redhat.com>
4103 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
4104 requires more than 64 bits of alignment.
4106 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
4108 * cpplib.c (do_line): Sanity check iff enable checking.
4110 2001-04-11 Richard Henderson <rth@redhat.com>
4112 * Makefile.in (insn-recog.o): Depend on toplev.h.
4113 (insn-emit.o, doloop.o): Likewise.
4114 * genrecog.c, genemit.c: Include toplev.h in generated file.
4115 * doloop.c: Include toplev.h.
4117 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4119 * Makefile.in (gcse.o): Depend on params.h.
4120 * gcse.c: Include params.h.
4121 (gcse_main): Don't do GCSE if doing so will take inordinate
4123 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
4124 * params.h (MAX_GCSE_MEMORY): New macro.
4126 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4128 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
4130 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
4132 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4134 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
4136 * real.h (ereal_atof, real_value_truncate, target_isnan,
4137 target_isinf, target_negative, assemble_real, debug_real): Delete
4138 redundant prototypes.
4140 * Makefile.in (ifcvt.o): Depend on toplev.h.
4142 * c-semantics.c: Include expr.h.
4144 * ifcvt.c: Include toplev.h.
4146 * expr.h (rtx_equal_p): Delete prototype.
4148 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
4149 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
4150 eliminate_constant_term, expand_complex_abs, find_single_use,
4151 make_tree, init_expr_once, init_optabs, supports_one_only):
4154 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
4155 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
4156 expand_assignment, store_expr, emit_line_note_after,
4157 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
4159 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
4161 * sparc-protos.h: Delete redundant prototypes.
4163 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
4165 * reload.c (push_reload): Add condition missed in SUBREG byte
4168 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4170 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
4172 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
4174 * i386.md (floatsisf_sse): Fix output template
4175 * i386.c (ix86_expand_fp_movcc)
4177 * reg-stack.c (emit_pop_insn): Handle complex modes.
4178 (move_for_stack_reg): Emit proper move mode.
4179 (subst_stack_regs_pat): Handle complex modes.
4181 2001-04-11 Jakub Jelinek <jakub@redhat.com>
4183 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
4185 2001-04-10 Richard Henderson <rth@redhat.com>
4187 * libgcc2.h (__terminate_func_ptr): Remove typedef.
4188 (__pure_virtual, __terminate, __terminate_set_func,
4189 __default_terminate, __throw_type_match, __empty,
4190 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
4191 __eh_rtime_match, __unwinding_cleanup, __rethrow,
4192 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
4193 Remove prototypes of deleted functions.
4195 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4197 * c-typeck.c (convert_arguments): -Wtraditional now activates
4198 -Wconversion warnings, except for changes in signed-ness.
4199 Detect complex<->int & int<->complex conversions as well.
4201 * invoke.texi (-Wtraditional): Document it.
4203 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4205 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
4206 * flow.c (set_block_for_new_insns): Remove needless cast and
4207 properly check for unset block number.
4209 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
4211 * function.c (purge_single_hard_subreg_set): Only check REGNO if
4212 the subreg was a hard register. Pseudos are left as subregs.
4214 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4216 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
4217 (LIB2ADD_ST): New macro, pass it to mklibgcc.
4218 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
4219 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
4220 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
4222 2001-04-09 Bo Thorsen <bo@suse.co.uk>
4224 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
4226 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4228 * output.h (set_block_num): Missed it earlier, remove deprecated
4231 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4233 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
4234 (load_killed_in_block_p): Change bb parameter from int to basic_block.
4235 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
4236 (handle_rd_kill_set): Change bb parameter from int to basic_block.
4237 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
4238 (expr_killed_p): Change bb parameter from int to basic_block, pass
4239 basic_blocks instead of ints as parameters.
4240 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
4241 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
4242 from int to basic_block, pass basic_blocks instead of ints as parms.
4243 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
4244 parameter from int to basic_block, pass basic_blocks instead of ints.
4245 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
4246 (insert_insn_end_bb): Change bb parameter from int to basic_block,
4247 pass basic_blocks instead of ints.
4248 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
4249 basic_blocks instead of ints as parameters.
4250 (pre_delete): Pass basic_blocks instead of ints as parameters.
4251 (hoist_expr_reaches_here_p): Change bb parameter from int to
4252 basic_block, pass basic_blocks instead of ints.
4253 (hoist_code): Pass basic_blocks instead of ints as parameters.
4254 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
4255 Change bb parameter from int to basic_block.
4256 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
4257 (insert_insn_start_bb): Change bb parameter from int to basic_block,
4258 pass basic_blocks instead of ints.
4259 (insert_store): Pass basic_blocks instead of ints as parameters.
4260 (replace_store_insn, delete_store): Change bb parameter from int to
4261 basic_block, pass basic_blocks instead of ints.
4262 (store_motion): Pass basic_blocks instead of ints as parameters.
4264 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4266 * basic-block.h (set_new_block_for_insns): New Prototype.
4267 (set_block_num): Delete prototype.
4268 * flow.c (set_block_num): Remove obsolete function.
4269 (set_block_for_new_insns): Set BB for single or multiple insns.
4270 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
4271 (process_insn_end_bb): Use set_block_for_new_insns or
4272 set_block_for_insn instead of set_block_num.
4273 (pre_insert_copy_insn): Use set_block_for_new_insns.
4274 (update_ld_motion_stores): Use set_block_for_new_insns.
4275 (insert_insn_start_bb): Use set_block_for_new_insns.
4276 (replace_store_insn): Use set_block_for_new_insns.
4278 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4279 Jeff Law <law@redhat.com>
4281 * alias.c (get_addr): Externalize.
4282 (canon_true_dependence): New function. Behaves like true_dependance
4283 except it already assumes a MEM has been canonicalized.
4284 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
4285 * gcse.c (struct ls_expr): Add load/store expressions structure.
4286 (modify_mem_list, canon_modify_mem_list): New variable.
4287 (gcse_main): Initialize & finalize alias analysis. Use enhanced
4288 load motion and store motion if requested.
4289 (alloc_gcse_mem): Allocate space for modify_mem_list array.
4290 (free_gcse_mem): Free the modify_mem_list array.
4291 (oprs_unchanged_p): Use load_killed_in_block_p.
4292 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
4293 (mems_conflict_for_gcse_p): New function. Don't kill loads
4294 with stores to themselves if its in the load/store expression list.
4295 (load_killed_in_block_p): New function.
4296 (canon_list_insert): New Function.
4297 (record_last_mem_set_info): Keep a list of all instructions which
4298 can modify memory for each basic block.
4299 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
4300 (oprs_not_set_p): Use load_killed_in_block_p.
4301 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
4302 (expr_killed_p): Use load_killed_in_block_p.
4303 (compute_transp): Do not pessimize memory references.
4304 (pre_edge_insert): Update stores for a load motion expression.
4305 (one_pre_gcse_pass): Check loads/stores for extra load motion.
4306 (ldst_entry): Find or create a ldst_expr structure.
4307 (free_ldst_entry): Free memory for an individual item.
4308 (free_ldst_mems): Free entire load/store expression list.
4309 (print_ldst_list): Print debug info.
4310 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
4311 (enumerate_ldsts): Assign integer values to each entry in list.
4312 (first_ls_expr): First expression in the list.
4313 (next_ls_expr): Next expression in the list.
4314 (simple_mem): Check if expression qualifies for ld/st expression list.
4315 (invalidate_any_buried_refs): Remove from expression list if its
4316 used in some other way we dont understand.
4317 (compute_ld_motion_mems): Find all potential enhanced load motion
4319 (trim_ld_motion_mems): Remove any expressions which are invalid.
4320 (update_ld_motion_stores): Copy store values to registers for loads
4321 which have been moved.
4322 (regvec, st_antloc, num_store): New global statics.
4323 (reg_set_info): Marks registers as set.
4324 (store_ops_ok): Verfies registers expressions are valid in a block.
4325 (find_moveable_store): Look for moveable stores in a pattern.
4326 (compute_store_table): Find stores in a function worth moving, maybe.
4327 (load_kills_store): Check dependance of a load and store.
4328 (find_loads): Find any loads in a pattern.
4329 (store_killed_in_insn): Check if a store is killed in an insn.
4330 (store_killed_after): Check is store killed after an insn in a block.
4331 (store_killed_before): Check is store killed before an insn in a block.
4332 (build_store_vectors): Generate the antic and avail vectors.
4333 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
4334 (insert_store): Add a store to an edge.
4335 (replace_store_insn): Replace a store with a SET insn.
4336 (delete_store): Delete a store insn.
4337 (free_store_memory): Free memory.
4338 (store_motion): Perform store motion.
4339 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
4340 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
4341 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
4342 (f_options): Add gcse-lm and gcse-sm.
4344 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
4346 * i386.c (expand_fp_movcc): Fix condition reversal code.
4348 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
4349 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
4350 (CLASS_MAX_NREGS): Use it.
4352 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
4353 handle properly complex values.
4354 (CLASS_MAX_NREGS): Likewise; update comment.
4356 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4358 * ia64.c (ia64_flag_schedule_insns2): New variable.
4359 (ia64_override_options): Initialize it. Clear
4360 flag_schedule_insns_after_reload.
4361 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
4363 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
4365 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
4366 Do not require source to match destination anymore;
4367 Add abort to the nontrivial cases that should be handled by split.
4368 (fix_trunc?fdi): Add SSE case for x86_64.
4369 (floatdi?f): Likewise.
4370 (floatdi?f_sse): New.
4371 (fix_trunc?fdi_sse): New.
4373 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
4375 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
4376 (DEBUG_ARANGES_END_LABEL): Ditto.
4377 (dwarfout_init): Generate length and version fields at the start
4378 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
4379 after the length field.
4380 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
4381 the .debug_aranges info.
4383 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4385 * i386.c (call, call_value): Make sure that resulting call_insn
4386 does have proper second operand.
4388 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
4390 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
4391 function. Remove include of sys/cygwin.h.
4393 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
4395 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
4396 (CPP_SPEC): Always search */include/w32api for header files.
4397 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
4398 (LINK_SPEC): Add "cyg" to the library search prefixes.
4400 2001-04-08 Philip Blundell <philb@gnu.org>
4402 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
4404 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
4406 * cpperror.c (print_location): Don't special case <stdin>.
4407 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
4408 WARNING, but we don't check if we're in system headers.
4409 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
4410 * cpplib.c (do_warning): Warn in system headers.
4412 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
4414 * mbchar.c: Include config.h first.
4416 2001-04-07 Zack Weinberg <zackw@stanford.edu>
4418 * config.gcc: Set default for xmake_file at top, not bottom.
4419 Change places that set xmake_file to "none" to set to the
4420 empty string instead, or remove them entirely if there is no
4421 default xmake_file for this cpu_type. Remove references to
4424 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
4425 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
4426 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
4427 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
4428 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
4429 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
4430 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
4431 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
4432 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
4433 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
4436 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
4437 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4438 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4439 config/mips/x-sysv, config/rs6000/x-aix31:
4440 Just set CLIB to -lld or -lmld, as appropriate.
4442 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
4443 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
4444 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
4445 config/mips/x-iris, config/pa/x-pa:
4446 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
4447 OTHER_FIXINCLUDES_DIRS.
4449 * config/i386/x-djgpp: Don't set LN or LN_S.
4450 * config/m88k/x-dolph: Don't define __m88k__.
4451 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
4452 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
4453 * config/i860/fx2800.h: No need to #undef SVR4.
4455 38 x-host fragments remain, 2 x-cpu.
4457 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4459 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
4461 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4463 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
4465 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4467 * configure.in: Add check for lstat.
4468 * configure, config.in: Regenerate.
4469 * cppinit.c (append_include_chain): Make empty path ".".
4470 * cpplib.c (do_line): Don't simplify #line paths.
4471 * cppfiles.c (remove_component_p): New function.
4472 (find_or_create_entry): Acknowledge stat () errors during
4473 path simplification.
4474 (handle_missing_header): Don't simplify paths.
4475 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
4476 the empty path untouched. Don't leave a trailing '/'.
4478 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
4480 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4481 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4483 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4485 * cppfiles.c (open_file): Fail directories silently, but
4486 with an errno of NOENT set.
4487 (read_include_file): Move the common exit code to the sole
4488 caller. Return an int indicating success or failure. Let
4489 open_file handle directories.
4490 (stack_include_file): If read_include_file fails,
4491 push a "null" buffer.
4493 2001-04-05 DJ Delorie <dj@redhat.com>
4495 * function.h (virtuals_instantiated): Declare.
4496 * function.c: (virtuals_instantiated): Make global.
4497 * calls.c (emit_library_call_value_1): Use
4498 virtual_outgoing_args_rtx only if it hasn't been instantiated.
4499 Otherwise, use the stack pointer directly.
4501 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4503 * i386.c (x86_initialize_trampoline): New global function.
4504 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
4505 (INITIALIZE_TRAMPOLINE): Move offline.
4506 * i386-protos.h (x86_initialize_trampoline): Declare.
4508 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4510 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
4511 (lea_0): Rename to lea_1.
4512 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
4513 (lea_general_?): Allow SImodes on TARGET_64BIT
4514 (lea_general_?_zext): New patterns.
4515 (call_1, call_1_rex64): Fix.
4517 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4519 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
4521 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4523 * i386.c (function_arg): Return constm1_rtx for last argument.
4524 (ix86_expand_prologue): Update gen_call calls.
4525 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
4526 * i386.md (call_pop): Likewise.
4527 (call): Second operand is VOIDmode.
4528 (call_0): Likewise; Support 64bits.
4529 (call_exp): New expander.
4530 (call_1): Get to the sync.
4531 (call_1_exp): New pattern.
4532 (call_value): Support 64bit.
4533 (call_value_exp): New pattern.
4534 (untyped_call): Update gen_call call.
4535 (call_value_pop): Disable for 64bit.
4536 (call_value_0_rex64): New pattern.
4537 (call_value_1_rex64): Likewise.
4539 2001-04-05 Bo Thorsen <bo@suse.de>
4541 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
4543 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
4545 * i386.md (*andsi_1+3): If used after reload, make sure the operand
4546 satisfies ANY_QI_REG_P.
4548 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4550 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
4553 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
4556 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4558 * config.gcc: Remove default for xm_file. Clean up local
4559 machine type handling. Remove settings of xm_file to
4560 something that doesn't exist. In the big switch, set xm_file,
4561 don't append to it (the value before the big switch is always
4562 null). Don't force build_xm_file or host_xm_file to have a value.
4563 * configure.in: Remove default for xm_file. Do not special
4564 case $cpu/xm-$cpu.h not existing.
4565 * configure: Regenerate.
4567 2001-04-04 Diego Novillo <dnovillo@redhat.com>
4569 * simplify-rtx.c (simplify_binary_operation): Check for overflow
4570 when folding integer division and modulo operations.
4572 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
4574 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
4575 instead of DWARF2_ADDR_SIZE for EH addresses.
4576 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
4579 2001-04-04 Richard Henderson <rth@redhat.com>
4581 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
4582 * config/ia64/t-glibc (LIB2ADDEH): Disable.
4583 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
4585 2001-04-04 Richard Henderson <rth@redhat.com>
4587 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
4588 * configure: Rebuilt.
4590 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4592 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
4593 push insns to delete to it instead of deleting them.
4594 (delete_null_pointer_checks): Delete insns from delete_list after
4595 all delete_null_pointer_checks_1 passes are done.
4597 2001-04-04 Richard Henderson <rth@redhat.com>
4599 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
4600 * configure: Rebuilt.
4602 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4604 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
4605 * config/romp/xm-romp.h: Delete.
4607 2001-04-04 Bernd Schmidt <bernds@redhat.com>
4609 * sched-deps.c (sched_analyze_insn): Partially revert March 27
4612 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4614 * emit-rtl.c (mark_label_nuses) Increment the label uses for
4615 all labels present in rtx.
4616 (try_split) Call new function for all split insns.
4618 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4620 * recog.c (validate_replace_rtx_1): Instead of aborting just make
4621 sure the change won't be validated.
4623 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
4625 * rtl.h (set_noop_p): Declare.
4626 * flow.c (set_noop_p): Move from here ...
4627 * rtlanal.c (set_noop_p): ... to here and enhance.
4628 * cse.c (delete_trivially_dead_insns): Use it.
4629 * gcse.c (hash_scan_set): Likewise.
4630 * jump.c (delete_noop_moves): Likewise.
4631 * recog.c (split_all_insns): Likewise.
4633 2001-04-04 Alan Modra <alan@linuxcare.com.au>
4635 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
4636 stack pointer via a LO_SUM. Ditto for setting a temp register
4637 used to save to the stack. Set cfa_temp when setting fp, and
4638 allow matches to cfa_temp in addition to cfa_store when saving
4639 regs. Handle POST_INC and LO_SUM register stores. Document the
4640 changes and errors in rule 12 doco.
4642 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
4643 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
4644 (load_reg): Move closer to epilogue code.
4645 (DO_FRAME_NOTES): Define to control the following..
4646 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
4647 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
4649 (hppa_expand_epilogue): Likewise.
4651 2001-04-03 Richard Henderson <rth@redhat.com>
4653 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
4654 * configure: Rebuild.
4656 2001-04-03 Richard Henderson <rth@redhat.com>
4658 * rtl.h (LCT_THROW): New.
4659 * calls.c (emit_library_call_value_1): Handle it.
4660 * except.c (connect_post_landing_pads): Use it.
4662 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4664 * gansidecl.h: Delete file.
4665 * configure.in: Change all refs to gansidecl.h to use
4666 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
4668 * configure: Regenerate.
4670 * Makefile.in (intl.o): Don't depend on gansidecl.h.
4671 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
4672 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
4673 Don't include gansidecl.h.
4674 * intl.c, main.c, version.c, fixinc/fixlib.h,
4675 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
4678 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4680 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
4683 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4685 * config/i386/xm-beos.h, config/i386/xm-isc.h,
4686 config/i386/xm-next.h, config/i386/xm-sco.h,
4687 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
4688 config/m88k/xm-m88k.h: Delete.
4690 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
4691 * config/romp/xm-romp.h: Don't define bcopy.
4692 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
4693 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
4695 * config.gcc: Remove references to deleted files.
4697 14 xm-host.h remain, 1 xm-cpu.h.
4699 2001-04-03 Jakub Jelinek <jakub@redhat.com>
4700 David S. Miller <davem@pierdol.cobaltmicro.com>
4701 Andrew MacLeod <amacleod@redhat.com>
4703 Use byte offsets in SUBREGs instead of words.
4705 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
4706 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
4707 to pass new argument.
4708 (add_stored_regs): Use subreg_regno_offset function.
4709 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
4711 (precompute_arguments): Use gen_lowpart_SUBREG.
4712 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
4713 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
4714 (simplify_set): Rework to use SUBREG_BYTE.
4715 (expand_field_assignment): Use SUBREG_BYTE.
4716 (make_extraction): Use SUBREG_BYTE.
4717 (if_then_else_cond): Use SUBREG_BYTE.
4718 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
4719 (gen_lowpart_for_combine): Compute full byte offset.
4720 * cse.c (mention_regs): Use SUBREG_BYTE.
4721 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
4722 (canon_hash): Use SUBREG_BYTE.
4723 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
4724 (gen_lowpart_if_possible): Formatting.
4725 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
4727 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4728 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4729 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4730 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4731 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4732 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4733 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
4734 certain invariants about SUBREGs the compiler creates.
4735 (gen_lowpart_SUBREG): New function.
4736 (subreg_hard_regno): New function to get the final register number.
4737 (gen_lowpart_common): Use SUBREG_BYTE.
4738 (gen_imagpart): Spacing nits.
4739 (subreg_realpart_p): Use SUBREG_BYTE.
4740 (gen_highpart): Use SUBREG_BYTE.
4741 (subreg_lowpart_p): Always compute endian corrected goal offset,
4742 even at the byte level, then compare against that.
4743 (constant_subword): New function, pulled out all constant cases
4744 from operand_subword and changed second argument name to offset.
4745 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
4746 and call constant_subword to do the work. Return const0_rtx if
4747 looking for a word outside of OP.
4748 (operand_subword_force): Change second arg name to offset.
4749 * expmed.c (store_bit_field): Use SUBREG_BYTE.
4750 (store_split_bit_field): Use SUBREG_BYTE.
4751 (extract_bit_field): Use SUBREG_BYTE.
4752 (extract_split_bit_field): Use SUBREG_BYTE.
4753 (expand_shift): Use SUBREG_BYTE.
4754 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
4755 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
4756 * flow.c (set_noop_p): Use SUBREG_BYTE.
4757 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
4758 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
4759 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
4761 (optimize_bit_field): Use SUBREG_BYTE.
4762 (purge_addressof_1): Use SUBREG_BYTE.
4763 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
4764 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
4765 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
4766 * gengenrtl.c (special_rtx): Add SUBREG.
4767 * global.c (mark_reg_store): Use SUBREG_BYTE.
4768 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
4769 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
4770 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
4771 final byte offset is congruent to subreg's mode size.
4772 (subst_constants): Use SUBREG_BYTE.
4773 (mark_stores): Use subreg_regno_offset function.
4774 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
4775 function and SUBREG_BYTE.
4776 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
4777 (reg_is_born): Use subreg_hard_regno.
4778 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
4779 endian correction code. Don't combine subregs unless resulting
4780 offset aligns with type. Fix subreg constant extraction for DImode.
4781 Simplify SUBREG of VOIDmode CONST_DOUBLE.
4782 (general_operand): Remove dead mode_altering_drug code.
4783 (indirect_operand): Use SUBREG_BYTE.
4784 (constrain_operands): Use subreg_regno_offset function.
4785 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
4786 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
4787 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
4788 * regs.h (REG_SIZE): Allow target to override.
4789 (REGMODE_NATURAL_SIZE): New macro which target can override.
4790 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
4791 on the entire subreg rtx.
4792 (push_reload): Use SUBREG_BYTE in comments and code.
4793 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
4794 for hard registers inside subregs.
4795 (operands_match_p): Use subreg_regno_offset.
4796 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
4797 containing hard regs.
4798 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
4799 corrections when fixing up MEM subregs.
4800 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
4801 subreg_regno_offset where appropriate.
4802 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
4803 byte endian corrections when fixing up MEM subregs.
4804 (subst_reloads): When combining two subregs, make sure final
4805 offset is congruent to subreg's mode size.
4806 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
4807 (refers_to_regno_for_reload_p): Use subreg_regno.
4808 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
4809 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
4810 correction code for memory subreg fixups.
4811 (forget_old_reload_1): Use subreg_regno_offset.
4812 (choose_reload_regs): Use subreg_regno.
4813 (emit_input_reload_insns): Use SUBREG_BYTE.
4814 (reload_combine_note_store): Use subreg_regno_offset.
4815 (move2add_note_store): Use subreg_regno_offset.
4816 * resource.c (update_live_status, mark_referenced_resources): Use
4817 subreg_regno function.
4818 (mark_set_resources): Use subreg_regno function.
4819 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
4820 (subreg_regno_offset, subreg_regno): Define prototypes.
4821 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
4822 (gen_lowpart_SUBREG): Add prototype.
4823 * rtl.texi (subreg): Update to reflect new byte offset representation.
4824 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
4825 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
4826 (reg_overlap_mentioned_p): Use subreg_regno.
4827 (replace_regs); Make sure final offset of combined subreg is
4828 congruent to size of subreg's mode.
4829 (subreg_regno_offset): New function.
4830 (subreg_regno): New function.
4831 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
4832 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
4833 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
4834 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
4835 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
4836 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
4837 (a29k_get_reloaded_address): Use SUBREG_BYTE.
4838 (print_operand): Use SUBREG_BYTE.
4839 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
4840 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
4841 (arm_reload_out_hi): Use SUBREG_BYTE.
4842 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
4843 instead of SUBREG_WORD.
4844 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
4845 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
4846 SUBREG creation to use byte offset.
4847 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
4848 inverted load insns): Fix explicit rtl subregs to use byte
4850 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
4851 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
4852 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
4853 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
4854 to use byte offsets.
4855 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
4856 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
4857 offsets, also make sure it is congruent to SUBREG's mode size.
4858 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
4859 unnamed ldob insn): Generate SUBREGs with byte offset.
4860 (zero_extendqihi2): SUBREG's are byte offsets.
4861 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
4862 (m68hc11_gen_highpart): Use SUBREG_BYTE.
4863 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
4864 zero-extendqisi2): Generate SUBREGs with byte offset.
4865 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
4866 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
4867 subregs in rtl to use byte offsets.
4868 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
4869 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
4870 (mips_move_2words): Use subreg_regno_offset.
4871 (mips_secondary_reload_class): Use subreg_regno_offset.
4872 * config/mips/mips.md (DImode plus, minus, move, and logical op
4873 splits): Fixup explicit subregs in rtl to use byte offsets.
4874 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
4875 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
4876 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
4877 rtl to use byte offsets.
4878 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
4879 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
4880 subregs to use byte offsets.
4881 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
4882 Fixup explicit subregs in rtl to use byte offsets.
4883 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
4884 and remove byte endian correction code.
4885 * config/sh/sh.c (output_movedouble): Use subreg_regno.
4886 (gen_ashift_hi): Use SUBREG_BYTE.
4887 (regs_used): Use subreg_regno_offset.
4888 (machine_dependent_reorg): Use subreg_regno_offset.
4889 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
4890 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
4891 (movdf_i4): Subregs are byte offsets now.
4892 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
4893 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
4894 (REGMODE_NATURAL_SIZE): Override.
4895 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
4896 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
4898 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
4899 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
4900 extendqidi2): Generate SUBREGs with byte offsets, also make sure
4901 it is congruent to SUBREG's mode size.
4902 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
4904 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
4905 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
4906 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
4907 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
4908 * config/v850/v850.c (print_operand, output_move_double): Use
4909 subreg_regno function.
4911 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4913 * configure.in (target_subdir): Use target_alias, not target.
4914 * configure: Rebuilt.
4916 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4918 * config/sh/crti.asm: Fix typos in comments.
4920 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4922 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
4923 TARGET_FAST_INDIRECT_CALLS.
4924 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
4926 (return_addr_rtx): Short circuit export stub matching when
4927 TARGET_NO_SPACE_REGS.
4928 (output_millicode_call): For out of range calls, make -fPIC
4929 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
4930 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
4931 * pa.md: Modify length attr calculation of all millicode insns to
4934 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
4936 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4937 Require at least 2.11 in the version test. Specifically check
4938 for and reject GAS version 2.10.90.
4939 * configure: regenerate.
4941 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4943 * pa.c (override_options): Remove PIC profiling warning.
4944 (hp_profile_labelno): Delete.
4945 (hp_profile_label_rtx): Delete.
4946 (hp_profile_label_name): Delete.
4947 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
4948 (output_function_prologue): Remove profiling code and all tests on
4949 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
4950 merge_sp_adjust_with_store can work for PIC and profiling.
4951 (hppa_expand_epilogue): Remove profile_flag test.
4952 (hppa_can_use_return_insn_p): Likewise.
4953 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
4954 cater for PROFILE_HOOK.
4955 (hppa_profile_hook): New function.
4956 * pa.h (FUNCTION_PROFILER): Now does nothing.
4957 (PROFILE_HOOK): Define.
4958 (hppa_profile_hook): Declare.
4959 (PROFILE_BEFORE_PROLOGUE): Delete.
4960 (ASM_OUTPUT_REG_PUSH): Delete.
4961 (ASM_OUTPUT_REG_POP): Delete.
4962 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
4963 r24. Accept function name operand, and use this and a locally
4964 generated label to calculate pc-rel offset to func start.
4966 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4968 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
4969 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
4972 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4974 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4975 LO_SUM cases to where they belong.
4977 2001-04-02 Richard Henderson <rth@redhat.com>
4979 * except.h (lang_eh_type_covers): Mark extern.
4980 (lang_eh_runtime_type): Likewise.
4982 2001-04-02 Zack Weinberg <zackw@stanford.edu>
4984 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
4985 gengenrtl.c: Wrap generated header in multiple-include guard.
4986 Improve error checking.
4988 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4990 * configure.in: Don't check for putenv.
4991 * configure: Regenerate.
4992 * gcc.c (putenv): Don't define.
4993 * vax/xm-vms.h: Handle putenv.
4995 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4997 * ifcvt.c (noce_emit_move_insn): New.
4998 (noce_try_store_flag, noce_try_store_flag_constants,
4999 noce_try_store_flag_inc, noce_try_store_flag_mask,
5000 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
5001 noce_try_abs): Use it.
5002 (noce_process_if_block): Likewise.
5003 For STRICT_LOW_PART, take mode from its SUBREG.
5005 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5007 * fold-const.c (fold): Before optimizing unsigned comparison with
5008 0x7fffffffU, make sure arg0 is integral type.
5010 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
5012 * c-tree.texi: Document representation of wide strings.
5014 2001-04-01 Richard Henderson <rth@redhat.com>
5016 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
5018 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
5020 * i386.md: remove obsoleted comments.
5021 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
5022 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
5023 fix output template.
5025 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
5027 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
5029 2001-03-30 Bernd Schmidt <bernds@redhat.com>
5031 * loop.c (load_mems): When generating a load from a pseudo, update
5034 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5036 * i386.c (ix86_split_long_move): Use change address to compensate
5037 stack pointer change in push instruction.
5039 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5041 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
5042 instead of rtx_equal_p; fix the output template.
5044 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
5046 * i386.c (ix86_expand_setcc): Support 64bit.
5047 (ix86_expand_int_movcc): Likewise.
5048 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
5051 * i386.md (allocate_stack_worker): Turn to expander.
5052 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
5054 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
5056 2001-03-29 Richard Henderson <rth@redhat.com>
5058 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
5060 2001-03-28 Matthew Hiller <hiller@redhat.com>
5062 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
5065 * MAINTAINERS: Added self.
5067 2001-03-28 Richard Henderson <rth@redhat.com>
5069 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
5070 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
5072 2001-03-28 Jim Wilson <wilson@redhat.com>
5074 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
5077 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5079 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
5081 * tradcif.y (yyerror): Likewise. Add format specifier in call to
5084 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
5086 2001-03-28 DJ Delorie <dj@redhat.com>
5088 * Makefile.in (stage1_build): Revert CFLAGS patch.
5090 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
5092 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
5093 when multiplier or multiplicand is zero.
5095 2001-03-28 Bernd Schmidt <bernds@redhat.com>
5097 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
5099 * config/ia64/ia64.c (update_set_flags): New function, broken out of
5101 (set_src_needs_barrier): Likewise.
5102 (rtx_needs_barrier): For SET case, use these two functions. Rework
5103 PARALLEL case to handle all inputs before all outputs.
5104 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
5105 saw a label and no stop bit since then.
5106 (maybe_rotate, process_epilogue): Add prototypes.
5108 2001-03-28 Richard Henderson <rth@redhat.com>
5110 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
5111 not TARGET_TOC for special toc restore handling.
5112 * config/rs6000/rs6000.md (eh_return): Likewise.
5114 2001-03-28 Richard Henderson <rth@redhat.com>
5116 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
5117 current_function_calls_eh_return.
5118 (output_function_epilogue): Handle eh_return.
5119 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
5120 (EH_RETURN_DATA_REGNO): New.
5121 (EH_RETURN_STACKADJ_RTX): New.
5122 (EH_RETURN_HANDLER_RTX): New.
5123 * config/sparc/sparc.md (call/short branch peepholes): Check
5124 can_throw_internal instead of in_same_eh_region.
5126 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
5127 for eh_return data registers.
5128 (rs6000_emit_prologue): Save eh_return data registers.
5129 (rs6000_emit_epilogue): Force inline restores if eh_return.
5130 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
5131 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
5132 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
5133 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
5134 the target uses one.
5135 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
5136 (return_eh_si, return_eh_di): Remove.
5137 (eh_return): New, from corpse of eh_epilogue.
5138 (eh_set_lr_si, eh_set_lr_di): New.
5140 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
5141 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
5142 True for pic register if current_function_calls_eh_return.
5143 (ix86_expand_epilogue): Change "emit_return" argument into "style".
5144 Handle eh_return requirements.
5145 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
5146 (EH_RETURN_STACKADJ_RTX): New.
5147 * config/i386/i386.md (exception_receiver): Remove.
5148 (eh_return, eh_return_1): New.
5149 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5151 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
5152 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
5153 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
5154 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
5155 (EH_RETURN_DATA_REGNO): New.
5156 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
5157 * config/alpha/alpha.md (eh_epilogue): Remove.
5158 (exception_receiver): Use $26 for ldgp input.
5159 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5161 2001-03-28 Richard Henderson <rth@redhat.com>
5163 * except.c: Rewrite entirely for IA-64 ABI exception handling.
5164 * except.h: Likewise.
5166 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
5167 (LIB2ADDEHDEP): New.
5168 (LIB2FUNCS_EH): Remove.
5169 (LIB2ADD): Remove LIB2ADDEH.
5170 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
5171 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
5172 (crt{begin,end}[S].o): Likewise.
5173 (except.o): Update includes.
5174 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
5175 (libgcc2_c_dep): Use LIB2ADDEHDEP.
5177 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
5178 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
5179 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
5180 * builtins.c (expand_builtin): Implement it.
5181 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
5182 * c-common.c (c_common_nodes_and_builtins): Declare it.
5183 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
5184 * calls.c (libfunc_nothrow): Remove.
5185 (emit_library_call_value_1): Don't call it.
5186 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
5187 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
5188 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
5189 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
5190 (current_funcdef_number): Globalize.
5191 (output_call_frame_info): Emit frame data if an lsda is needed.
5192 Generate augmentation for personality routine. Don't play with
5194 (dwarf2out_begin_prologue): Record funcdef_number.
5195 * dwarf2out.h (current_funcdef_number): Declare.
5196 * expr.c (expand_expr): Update for except.h name changes.
5197 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
5198 * expr.h (LTI_throw, LTI_rethrow): Remove.
5199 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
5200 (LTI_eh_rtime_match): Remove.
5201 (LTI_unwind_resume, LTI_eh_personality): Add.
5202 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
5203 * final.c (final): Don't call check_exception_handler_labels,
5204 init_insn_eh_region, or free_insn_eh_region.
5205 (final_scan_insn): Always emit debug labels for
5206 NOTE_INSN_EH_REGION notes.
5207 * flags.h (flag_new_exceptions): Remove.
5208 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
5209 (record_active_eh_regions): Remove.
5210 (count_basic_blocks): Check all instructions for REG_EH_REGION.
5211 Use can_throw_internal.
5212 (find_basic_blocks_1): Likewise.
5213 (move_stray_eh_region_notes): Remove.
5214 (find_label_refs): No eh_return_stub_label.
5215 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
5216 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
5218 (delete_unreachable_blocks): Don't track deleted handlers.
5219 (flow_delete_block): Use maybe_remove_eh_handler.
5220 (delete_eh_regions): Remove.
5221 (merge_blocks): Don't check for eh region match.
5222 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
5223 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
5224 (init_propagate_block_info): Disable dead frame store optimization
5225 when current_function_calls_eh_return.
5226 (dump_bb): Don't print eh_beg, eh_end.
5227 * function.c (fixup_var_refs): No catch_clauses.
5228 (expand_function_end): Likewise. Call expand_eh_return before
5229 the return register use. Call sjlj_emit_function_exit_after.
5230 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
5231 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
5232 * ifcvt.c (dead_or_predicable): Remove eh region check.
5233 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
5234 Don't check for EH vs parameters.
5235 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
5236 (expand_inline_function): Call duplicate_eh_regions.
5237 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
5238 (copy_insn_notes): Remap REG_EH_REGION notes.
5239 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
5240 * integrate.h (struct inline_remap): Add local_return_label.
5241 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
5242 check_exception_handler_labels, nor exception_optimize.
5243 (find_cross_jump): No EH region check.
5244 * optabs.c (init_optabs): Update for changed eh libfuncs.
5245 * rtl.def (RESX): New.
5246 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
5247 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
5248 checks. Update for except.h name changes.
5249 (expand_cleanups): Likewise.
5250 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
5251 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
5252 (compile_file): Call init_eh before init_optabs. Don't
5253 output_exception_table here.
5254 (rest_of_compilation): Call convert_from_eh_region_ranges,
5255 convert_to_eh_region_ranges, output_function_exception_table.
5256 Don't emit_eh_context.
5257 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
5258 (EXC_PTR_EXPR): New.
5260 * md.texi (eh_epilogue): Remove.
5261 (eh_return): Document.
5262 * tm.texi (EH_RETURN_DATA_REGNO): Document.
5263 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
5265 * eh-common.h: Remove file.
5266 * frame-dwarf2.c, frame.c, frame.h: Remove files.
5267 * libgcc2.c (L_eh): Remove.
5269 * unwind-dw2-fde.c: New file, largely copied from frame.c.
5270 * unwind-dw2-fde.h: New file.
5271 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
5272 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
5273 * libgcc-std.ver: Update for eh symbols.
5275 2001-03-27 Richard Henderson <rth@redhat.com>
5277 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
5278 reduce false positives.
5279 (regmove_optimize): Disable if flag_non_call_exceptions.
5281 * stmt.c (expand_return): Remove always true predicate.
5282 (expand_decl_cleanup_no_eh): Remove dead code.
5284 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
5285 barrier code. Add a scheduling barrier if a non-call insn
5286 can throw internally.
5288 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
5289 Auto-inc addresses trap only if their base register does.
5291 * except.c (can_throw_internal): Rename from can_throw.
5292 * except.h, resource.c: Update references.
5294 * integrate.c (copy_insn_list): Use returnjump_p.
5295 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
5297 * function.h (struct function): Move all boolean valued fields
5298 to single bit fields at the end of the struct.
5300 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
5302 Rename asynchronous_exceptions to flag_non_call_exceptions.
5304 * gthr-single.h (UNUSED): New. Distinguish between how C
5305 and C++ mark unused function arguments. Use throughout.
5307 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
5308 value to target configuration header.
5309 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
5310 * config.in, configure: Rebuild.
5311 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
5312 configuration and target defines.
5313 (exceptions_via_longjmp): Remove.
5314 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
5315 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
5317 * except.h (flag_non_call_exceptions): Move ...
5318 * flags.h: ... here.
5320 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
5321 exceptions, put the note on the trapping instruction.
5323 * flags.h (flag_new_exceptions): Remove.
5324 * toplev.c: Don't set it.
5325 * final.c: Don't check it.
5326 * except.c: Provide stub definition.
5328 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
5329 (calculate_global_regs_live): Kill call-clobbered registers
5330 across exception edges.
5331 * reg-stack.c (convert_regs_1): Kill the entire target stack
5332 across non-call exception edges.
5334 * flow.c (cleanup_cfg): Take no argument.
5335 * output.h, sibcall.c, toplev.c: Update all calls.
5337 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5339 * configure.in: Don't check for bcopy.
5340 * configure, config.in: Regenerate.
5342 * system.h: Don't define or prototype bcopy, instead poison it.
5344 2001-03-27 Richard Henderson <rth@redhat.com>
5346 * function.c (expand_function_start): Set DECL_REGISTER on
5347 a pseudo used for DECL_RESULT.
5349 * rtl.h (LCT_NORETURN): New.
5350 * calls.c (emit_library_call_value_1): Handle it.
5352 2001-03-27 Stan Shebs <shebs@apple.com>
5354 * objc/objc-act.c (objc_init): Use dump_base_name.
5355 (gen_declaration): Clear the buffer arg.
5356 (gen_declaration_1): New function, body of gen_declaration.
5357 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
5358 (gen_method_decl): Ditto, plus always clear buffer arg.
5359 (error_with_ivar): Simplify.
5360 (warn_with_method): Ditto.
5361 (build_message_expr): Don't clear buffers.
5362 (dump_interface): Ditto.
5363 (objc_debug): Ditto.
5364 (build_keyword_selector): Clear the buffer by only zeroing
5366 (objc_implementation_context): Declare.
5367 (start_class): Warn about missing @end.
5368 (finish_objc): Ditto.
5370 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
5372 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
5374 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5376 * Makefile.in (SYSTEM_H): Define.
5377 Depend on $(SYSTEM_H), not system.h.
5379 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
5381 2001-03-27 Jim Wilson <wilson@redhat.com>
5383 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
5385 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
5386 (process_epilogue): New static function.
5387 (process_set): Call process_epilogue instead of emitting .restore
5389 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
5391 * flow.c (struct reg_cond_life_info): New fields orig_condition
5393 (init_propagate_block_info): Set new fields.
5394 (mark_regno_cond_dead): Set and use new fields.
5395 (flush_reg_cond_reg_1): Likewise.
5396 (and_reg_cond, case AND): Check for redundant AND conditions.
5397 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
5400 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
5402 * cppmacro.c (stringify_arg): Null terminate strings.
5404 2001-03-27 Zack Weinberg <zackw@stanford.edu>
5406 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
5407 inclusion style. xm-m68hc11.h no longer exists.
5408 * config/m68hc11/xm-m68hc11.h: Delete file.
5409 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
5411 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
5412 Don't define GCC_VERSION, N_, or PARAMS; don't include
5413 gansidecl.h or stdio.h. Define inhibit_libc here.
5414 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5415 Delete code conditioned on #if GCC_VERSION == 2095.
5417 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
5418 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5419 Delete code conditioned on #if GCC_VERSION == 2095.
5421 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5423 * system.h: Include symcat.h.
5424 (STRINGIFY): Don't define.
5426 * configure.in: Adjust comment.
5428 * builtins.c: Use STRINGX, not STRINGIFY.
5429 * gencheck.c: Likewise.
5430 * gengenrtl.c: Likewise.
5431 * protoize.c: Likewise.
5433 * cpplex.c: Don't include symcat.h.
5434 * cpplib.c: Likewise.
5436 * gansidecl.h (HAVE_STRINGIZE): Don't define.
5438 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5440 * c-typeck.c (digest_init): Fold init expression.
5442 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5444 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
5446 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5448 * except.c (eh_regs): Save results of build_pointer_type to a temp
5449 as FUNCTION_VALUE macro may evaluate its args multiple times.
5451 2001-03-26 Mark Mitchell <mark@codesourcery.com>
5453 * c-common.h (DECL_NUM_STMTS): New macro.
5454 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
5456 (pushdecl): Likewise.
5457 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
5458 * integrate.c (expand_inline_function): Don't check
5460 * print-tree.c (print_node): Don't print it.
5461 * toplev.c (rest_of_compilation): Don't try to inline when
5462 flag_no_inline is on.
5463 * tree.h (DECL_FRAME_SIZE): Remove.
5464 (tree_decl): Adjust accordingly.
5466 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5468 * combine.c (try_combine): Use memcpy, not bcopy.
5470 * genattrtab.c (expand_units): Likewise.
5472 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5474 * i386.md (push mem DI peep2): New.
5475 (mov 0, mov -1 peep2): Handle 64bit.
5476 (lea to arithmetics peep2): Handle 64bit leas.
5477 (rsp arithmetics to push/pop peep2s): New.
5479 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
5481 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5483 * i386.c (struct machine_function): Add save_varrargs_registers.
5484 (ix86_save_varrargs_registers): New macro.
5485 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
5486 (ix86_expand_prologue): Likewise.
5487 (ix86_emit_epilogue_esp_adjustement): Likewise.
5488 (ix86_expand_epilogue): Likewise.
5489 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
5490 (pro_epilogue_adjust_stack_1): New insn.
5491 (pro_epilogue_adjust_stack_rex64): Likewise.
5492 * i386.h (MASK_NO_RED_ZONE): New constant.
5493 (TARGET_RED_ZONE): New macro.
5494 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
5495 (RED_ZONE_SIZE): New constant.
5496 (RED_ZONE_RESERVE): New constant.
5498 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5500 * toplev.c (set_float_handler): Use memcpy, not bcopy.
5502 2001-03-25 Kazu Hirata <kazu@hxi.com>
5504 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
5507 (umodhi3): Likewise.
5510 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5512 * mkconfig.sh (DEFINES): Handle entries with '='.
5514 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
5515 Set xm_defines to MACRO=value instead.
5517 * i370/xm-mvs.h: Delete.
5519 * ns32k/xm-pc532-min.h: Likewise.
5521 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5523 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
5525 use ix86_expand_binary_operator
5526 (?sh??i_?): Disable for 64bit.
5527 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
5528 * i386.c (shiftdi_operand): New predicate.
5530 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
5531 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
5532 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
5533 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
5534 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
5535 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
5536 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
5537 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
5538 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
5539 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
5540 (rotldi3, rotrdi3): New expanders.
5542 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5544 * i386.md (movstrsi): Move offline.
5546 (strmovdi_rex64): New.
5547 (strmov?i): Accept 64bit.
5548 (strmov?i_rex64): New.
5549 (strmov?i_rex_1): New.
5550 (strmov?i_1): Disable for 64bit.
5551 (rep_mov?i_rex64): New.
5552 (rep_mov?i): Disable for 64bit.
5553 (clrstrsi): Move offline.
5554 (strset?i_rex64): New.
5555 (strset?i: Accept 64bit.
5556 (rep_stos?i): Disable for 64bit.
5557 (rep_stos?i_rex64): New.
5558 (strset?i_rex_1): New.
5559 (strset?i_1): Disable for 64bit.
5560 (cmpstrsi): Accept 64bit.
5561 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
5562 (cmpstrqi_nz_rex_1): New.
5563 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
5564 (strlensi): Move offline.
5566 (strlenqi_1): Disable for 64bit; fix constraints.
5567 (strlenqi_rex_1): New.
5568 * i386.c (ix86_adjust_counter): New static function.
5569 (ix86_zero_extend_to_Pmode): Likewise.
5570 (ix86_expand_aligntest): Likweise.
5571 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
5572 (ix86_expand_movstr): New global function.
5573 (ix86_expand_clrstr): New global function.
5574 (ix86_expand_strlen): New global function.
5575 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
5576 ix86_expand_strlen): Declare.
5577 (ix86_expand_strlensi_unroll_1): Delete.
5579 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
5581 * i386.md (cmpdi): Fix operand predicates.
5582 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
5583 cmpdi_1_insn_rex64): New patterns.
5584 (adddi3): Turn to expander.
5585 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
5586 (addsi3_carry_zext): New pattern.
5587 (adddi_?_rex64): New patterns and splitters.
5588 (addsi_?_zext): New patterns.
5589 (subsi3_carry_zext): New pattern.
5590 (subdi_?_rex64): New patterns and splitters.
5591 (iorsi_?_zext): New patterns.
5592 (iordi_?_rex64): New patterns and splitters.
5593 (iorsi_?_zext): New patterns.
5594 (iorsi_?_zext_imm): New patterns.
5595 (xorsi_?_zext): New patterns.
5596 (xordi_?_rex64): New patterns and splitters.
5597 (xorsi_?_zext): New patterns.
5598 (negdi*): New patterns.
5599 (one_cmpldi*): Likewise.
5600 (one_cmplsi*_zext, negsi*_zext): Likewise.
5601 (testqi_ext_3_rex64): New pattern.
5603 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
5605 * i386-protos.h (ix86_split_long_move): Return void.
5606 * i386.c (ix86_split_to_parts): Handle 64bit target.
5607 (ix86_split_long_move): Likewise.
5608 * i386.md (all calls to ix86_split_long_move): Update.
5610 2001-03-23 Richard Henderson <rth@redhat.com>
5612 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
5613 to avoid shadowing arguments.
5615 2001-03-23 Jakub Jelinek <jakub@redhat.com>
5617 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
5618 to variable names where DECL_NAME is different from
5619 DECL_ASSEMBLER_NAME.
5621 2001-03-23 Jim Wilson <wilson@redhat.com>
5623 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
5624 (assemble_alias): Call make_decl_rtl.
5626 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
5628 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
5630 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
5632 * extend.texi: Document the "java_interface" attribute.
5634 2001-03-22 Zack Weinberg <zackw@stanford.edu>
5636 * mkconfig.sh: Use a subshell with redirected stdout,
5637 instead of closing stdout and confusing commands that run
5638 afterward. Throw away output of cmp.
5640 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
5642 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
5644 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
5646 * i386.md (zero_extendsidi2_32): Break out from ...
5647 (zero_extendsidi2): ... here ; turn to expander.
5648 (zero_extendsidi2_rex64): New.
5649 (extendsidi2_32): Break out from ...
5650 (extendsidi2): ... here ; turn to expander.
5651 (extendsidi2_rex64): New.
5652 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
5653 (trunc?f?f splitters): Add 64bit versions.
5655 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
5657 * i386.md (pushsi, pushsi2_prologue): Disable.
5658 (pushsi2_rex64): New.
5659 (movabs?i_1_rex64, movabs?i_2_rex64): New.
5660 (movqi_ext_1): Disable for 64bit.
5661 (movqi_ext_1_rex64): New.
5662 (pushdi2_rex64): New pattern, peep2s and splitter.
5663 (pushdi2_prologue_rex64): New pattern.
5664 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
5666 (movdi splitters): Disable for 64bit.
5667 (movdi_1_rex64): New pattern, peep2s and splitters.
5668 (swapdi): New pattern.
5669 (pushsf): Disable for 64bit.
5670 (pushsf_rex64): New pattern and splitter.
5671 (pushdf_nointeger): Disable for 64bit.
5672 (pushdf_integer): Handle the 64bit case.
5673 (pushtf): Likewise; update splitters.
5675 2001-03-22 Richard Henderson <rth@redhat.com>
5677 * mkconfig.sh: Include insn-flags.h.
5678 * Makefile.in (CONFIG_H): Include insn-flags.h.
5679 (lots of objects): Remove insn-codes.h and insn-flags.h.
5681 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
5682 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
5683 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
5684 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
5685 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
5686 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
5687 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
5688 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
5689 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
5690 v850/v850.c, vax/vax.c:
5691 Don't include insn-flags.h.
5693 * diagnostic.c, expr.h, reload.c, toplev.c:
5694 Don't include insn-codes.h.
5696 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
5697 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
5698 c4x/c4x.c, i960/i960.c, mips/mips.c:
5699 Don't include insn-codes.h or insn-flags.h.
5701 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
5702 or insn-flags.h in the generated code.
5703 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
5704 (main): Forward declare struct rtx_def.
5706 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
5708 * invoke.texi (-ffast-math): Remove duplicate line about
5711 * gcc.texi: Remove more obsolete documentation of bugs and
5712 installation problems.
5714 2001-03-21 Kazu Hirata <kazu@hxi.com>
5716 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
5719 2001-03-20 Jason Merrill <jason@redhat.com>
5721 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
5723 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
5724 * varasm.c (CHKR_PREFIX): Likewise.
5726 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5728 * gcse.c (hash_scan_set): An expression is not anticipatible if it
5729 is part of a multi-SET insn.
5731 * cse.c (find_comparison_args): Remove previous change.
5732 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
5735 * config/i386/i386.md (conditional_trap): Remove warning.
5737 * recog.c (push_operand): Fix error in last change that caused
5738 undefined symbol on many targets.
5740 * sdbout.c: #include ggc.h.
5741 (sdbout_init): Move to end of file.
5742 Call ggc_add_tree_root for anonymous_types.
5743 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
5744 (sdbout_one_type): Use DECL_NAME for field name.
5745 * Makefile.in (sdbout.o): Show includes ggc.h.
5747 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
5749 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
5750 (override_options): Use properlimits for preferred_stack_boundary.
5751 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
5753 (ext_register_operand): Accept DImode.
5754 (load_pic_register): Abort on 64bit.
5755 (gen_push): Use Pmode instead of SImode.
5756 (ix86_save_reg): Pic reg is never used on 64bit.
5757 (ix86_expand_prologue): Likewise.
5758 (ix86_emit_save_regs): Use Pmode instead of SImode.
5759 (legitimate_address_p): Check displacement for 64bit.
5760 (print_operand): Avoid outputting of (%rip) on 64bit.
5761 (print_operand_address): Output (%rip) where possible.
5762 (split_di): Abort on 64bit registers.
5763 (ix86_expand_branch): DImode comparison is simple for x86_64.
5764 (memory_address_length): Recognize memory addresses formed using
5766 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
5768 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
5770 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
5772 * recog.c (push_operand): Recognize new format of push instructions.
5774 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
5776 * i386.md (pushqi1): New.
5777 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
5778 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5779 x86_64_immediate_operand, x86_64_immediate_operand,
5780 x86_64_zext_immediate_operand): Declare.
5781 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
5782 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5783 x86_64_immediate_operand, x86_64_immediate_operand,
5784 x86_64_zext_immediate_operand): define.
5785 * i386.h (PREDICATE_CODES): Add new predicates.
5787 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
5789 * i386.md (pophi1, popqi1, pushqi1): Remove.
5791 * expr.c (emit_single_push_insn): New function.
5792 (move_by_pieces): Accept NULL as destination for push instructions.
5793 (gen_push_operand): Kill.
5794 (emit_push_insn): Pass NULL when pushing; avoid updating of
5795 stack_pointer_delta.
5796 * expr.h (gen_push_operand): Kill.
5798 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5800 * rtl.texi (COMPARE): Clarify documentation and reference section
5803 2001-03-20 Stan Shebs <shebs@apple.com>
5805 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
5806 (get_object_reference): Ditto.
5807 (error_with_ivar): Use error_with_file_and_line.
5808 (warn_with_method): Use warning_with_file_and_line.
5810 2001-03-20 Tom Tromey <tromey@redhat.com>
5812 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
5814 2001-03-20 Mark Mitchell <mark@codesourcery.com>
5816 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
5817 variables that are TREE_PUBLIC, even if not TREE_STATIC.
5819 2001-03-20 DJ Delorie <dj@redhat.com>
5821 * Makefile.in (install-libgcc): Pass complete list of variables.
5822 (install-multilib): Ditto.
5824 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5826 * config/i386/cygwin.h: Declare ctor_section, dtor_section
5827 drectve_section, switch_to_section.
5829 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
5830 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
5831 i386_pe_mark_dllimport.
5833 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5835 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
5836 functions i386_pe_*.
5838 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
5839 i386_pe_* functions with char * arguments.
5841 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
5843 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
5845 (movsi_ie): Introduce fpul store.
5847 2001-03-20 Alan Modra <alan@linuxcare.com.au>
5849 * Makefile.in (OBJS): Remove hashtab.o.
5851 2001-03-19 Stan Shebs <shebs@apple.com>
5853 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
5854 * c-lang.c (maybe_objc_method_name): Ditto.
5855 * c-tree.h (maybe_objc_method_name): Remove decl.
5857 2001-03-19 Tom Tromey <tromey@redhat.com>
5859 * gcc.c (init_gcc_specs): Fix comment.
5861 2001-03-19 Mark Mitchell <mark@codesourcery.com>
5863 Compute DECL_ASSEMBLER_NAME lazily.
5864 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
5865 (DECL_ASSEMBLER_NAME_SET_P): New macro.
5866 (SET_DECL_ASSEMBLER_NAME): Likewise.
5867 (COPY_DECL_ASSEMBLER_NAME): Likewise.
5868 (set_decl_assembler_name): Declare.
5869 (lang_set_decl_assembler_name): Likewise.
5870 * tree.c (lang_set_decl_assembler_name): New variab.e
5871 (set_decl_assembler_name): New function.
5872 (init_obstacks): Set lang_set_decl_assembler_name.
5873 (build_decl): Don't set DECL_ASSEMBLER_NAME.
5874 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
5875 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
5876 where it's not necessary.
5877 (builtin_function): Likewise.
5878 (finish_decl): Likewise.
5879 * dbxout.c (dbxout_type_methods): Likewise.
5880 * ggc-common.c (ggc_mark_trees): Likewise.
5881 * profile.c (output_func_start_profiler): Likewise.
5882 * varasm.c (make_decl_rtl): Likewise.
5884 * cse.c (find_comparison_args): Update documentation. Fix
5885 mishandling of COMPARE operations.
5887 * tree.def (ABS_EXPR): Add documentation.
5888 * fold-const.c (fold): Improve folding of ABS_EXPRs.
5890 2001-03-19 Zack Weinberg <zackw@stanford.edu>
5892 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
5894 2001-03-19 Jakub Jelinek <jakub@redhat.com>
5896 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
5897 Remove ia32 linux PIC kludge and move it...
5898 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
5900 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
5902 * i386.md (absdf2 expander): Fix 64bit case.
5904 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
5906 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
5908 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
5910 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
5912 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5914 * README.X11: Remove obsolete file.
5916 2001-03-18 Anthony Green <green@redhat.com>
5918 * config/pj/pj.h: Remove some trailing commas.
5919 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
5921 2001-03-18 Richard Henderson <rth@redhat.com>
5923 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
5924 * calls.c: ... here.
5925 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
5926 defaults for them here.
5928 2001-03-17 Anthony Green <green@redhat.com>
5930 * config/pj/lib1funcs.S: Fix broken comment.
5931 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
5934 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
5936 * gcc.texi: Remove obsolete information relating to build and
5937 installation problems with enquire or the Pyramid C compiler.
5939 2001-03-17 Richard Henderson <rth@redhat.com>
5941 * dwarf2out.c (queue_reg_save): New.
5942 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
5943 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
5945 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
5946 (cfa, cfa_store, cfa_temp): Make static.
5947 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
5949 2001-03-17 Richard Henderson <rth@redhat.com>
5951 * integrate.h (struct inline_remap): Add local_return_label.
5952 * integrate.c (expand_inline_function): Initialize it and emit
5953 it after copy_insn_notes.
5954 (copy_insn_list): Don't store local_return_label here.
5955 (copy_insn_notes): New function split out from copy_insn_list.
5957 2001-03-17 Richard Henderson <rth@redhat.com>
5959 * dwarf2out.c (lookup_filename): Emit .file if the assembler
5960 is generating .debug_line.
5961 (dwarf2out_init): Add main_input_filename to the file table first.
5962 * configure.in (as_dwarf2_debug_line): Test with file number 1
5963 instead of file number 0.
5965 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5967 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
5968 (gen_rtx_combine): Deleted; all references changed as appropriate.
5969 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
5971 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
5973 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
5975 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
5978 2001-03-16 Jim Wilson <wilson@redhat.com>
5980 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
5981 then set it to LOC_REG (79) instead of aborting.
5983 2001-03-16 Phil Edwards <pme@sources.redhat.com>
5985 * gccbug.in: Remove high priority.
5987 2001-03-16 Richard Henerson <rth@redhat.com>
5989 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
5990 output with a space instead of deleting it.
5991 * configure: Regenerate.
5993 2001-03-16 Zack Weinberg <zackw@stanford.edu>
5995 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
5996 handles the gory details of converting an object file into
5997 something that's safe to grep.
5998 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5999 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
6000 newlines at either end of the string we're looking for.
6001 Make 'checking ...' message less stilted.
6002 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
6003 ARM in-memory layout and its hypothetical converse. Don't
6004 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
6005 HOST_WORDS_BIG_ENDIAN.
6007 * configure.in: Adjust for renamed macro. Move
6008 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
6009 * configure, config.in: Regenerate.
6011 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6013 * fixinc/Makefile.in: Set SHELL.
6015 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6017 * fixinc/fixincl.c (fix_with_system): Quote file names before
6018 passing them to shell.
6020 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6022 * Makefile.in: Use fix-header$(build_exeext) instead
6025 2001-03-16 Richard Henderson <rth@redhat.com>
6027 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
6028 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
6029 (size_of_line_prolog): Remove.
6030 (output_line_info): Compute prologue size via label difference.
6031 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
6033 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
6034 assembler error when redefining file numbers.
6035 * config.in, configure: Rebuild.
6037 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
6038 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
6039 (dw2_asm_output_delta_uleb128): Likewise.
6040 (dw2_asm_output_delta_sleb128): Similarly.
6041 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
6043 2001-03-16 Michael Meissner <meissner@redhat.com>
6045 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
6047 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
6049 (BITMASK_LOWER16): Replacement for 0x0000ffff.
6051 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
6052 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
6053 being unsigned in ISO C and signed in traditional.
6054 (expand_prologue): Ditto.
6055 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
6057 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
6059 (divsi3,divdi3): Ditto.
6060 (modsi3,moddi3): Ditto.
6061 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
6062 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
6063 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
6066 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
6068 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
6069 SSE based conditional moves on LTGT/UNEQ conditions;
6070 Canonicalize EQ to NE.
6071 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
6072 (sse_mov?fcc_ne): New.
6074 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
6076 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6078 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
6079 register may be dead.
6081 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
6083 * Makefile.in (hash.o): Depend on CONFIG_H.
6085 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6087 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
6089 2001-03-15 Richard Henderson <rth@redhat.com>
6091 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
6092 (ASM_OUTPUT_DWARF_PCREL): New.
6093 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
6095 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6097 * cppfiles.c (stack_include_file): Use MAX of sysp.
6099 2001-03-15 Steve Ellcey <sje@cup.hp.com>
6101 * config.gcc (ia64*-*-hpux*): New case.
6102 * config/ia64/hpux.h: New file for HP-UX support.
6103 * config/ia64/t-hpux: New file for HP-UX support.
6105 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
6107 * fixinc/inclhack.def (irix_stdio_va_list): New.
6108 * fixinc/fixincl.x: Rebuilt.
6110 2001-03-15 Richard Henderson <rth@redhat.com>
6112 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
6113 if provided by the target.
6114 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
6115 (dw2_asm_output_addr): New.
6116 * dwarf2asm.h (dw2_asm_output_addr): Declare.
6117 * dwarf2out.c (output_cfi): Use it for program addresses.
6118 (output_call_frame_info, output_die): Likewise.
6119 (output_aranges, output_line_info): Likewise.
6121 2001-03-15 Bruce Korb <bkorb@gnu.org>
6123 * gcc.c(main): make more rigorous
6124 * collect2.c(main): guard against ignoring SIGCHLD
6125 * protoize.c(main): ditto
6126 * gcc/fixinc/fixincl.c(initialize): ditto
6128 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6130 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
6131 (sdbout_parms): Likewise.
6133 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
6135 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
6136 "widen" a destination that is already wider than a word. Also do
6137 not widen if LOAD_EXTEND_OP is NIL for the given mode.
6139 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6141 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
6143 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
6145 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
6147 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
6149 * i960.h (i960_maxbitalignment,
6150 i960_last_maxbitalignment): Declare.
6151 * i960.c (i960_maxbitalignment,
6152 i960_last_maxbitalignment): Make global.
6153 (process_pragma): Delete.
6154 (i960_pr_align, i960_pr_noalign): Move from here ...
6155 * i960-c.c: ... to this new file.
6156 * t-960bare (i960-c.o): New rule.
6157 * t-vxworks960 (i960-c.o): Likewise.
6158 * config.gcc (i960-*-*): Define c_target_objs and
6161 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6163 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
6164 without adding in rtx code and mode.
6166 * alias.c (init_alias_analysis): Don't use any rtx whose value
6167 varies as a known value.
6168 Delete a superfluous test.
6170 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
6172 (ia64_sched_reorder): Call maybe_rotate; also rotate after
6173 scheduling a stop bit.
6174 (ia64_emit_nops): Correctly handle ASMs.
6176 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6178 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
6180 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
6182 * cpp.texi: Update documentation for -include and -imacros.
6183 * cppfiles.c (struct include_file): Remove "defined" memeber.
6184 (find_or_create_entry): Make a copy of the file name, and
6186 (open_file): Update to ensure we use the simplified filename.
6187 (stack_include_file): Don't set search_from.
6188 (cpp_included): Don't simplify the path name here.
6189 (find_include_file): New prototype. Call search_from to
6190 get the start of the "" include chain. Don't simplify the
6192 (_cpp_execute_include): New prototype. Move diagnostics to
6193 do_include_common. Update.
6194 (_cpp_pop_file_buffer): Don't set defined.
6195 (search_from): New prototype. Use the preprocessor's cwd
6196 for files included from the command line.
6197 (read_name_map): Don't simplify the pathname here.
6198 * cpphash.h (enum include_type): New.
6199 (struct buffer): Delete search from. New search_cached.
6200 (_cpp_execute_include): Update prototype.
6201 * cppinit.c (do_includes): Use _cpp_execute_include.
6202 * cpplib.c (do_include_common): New function.
6203 (do_include, do_include_next, do_import): Use it.
6205 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6207 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
6208 contents of the RTL, to determine the name of the object.
6210 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6212 * tree.h (DECL_RTL): Allocate RTL lazily.
6213 (SET_DECL_RTL): New macro.
6214 (DECL_RTL_SET_P): Likewise.
6215 (COPY_DECL_RTL): Likewise.
6216 (DECL_RTL_IF_SET): Likewise.
6217 * varasm.c (make_decl_rtl): Add assertions about the kind of
6218 declaration we are processing.
6219 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
6220 (start_decl): Likewise.
6221 (finish_decl): Likewise.
6222 * c-semantics.c (emit_local_var): Likewise.
6223 * calls.c (expand_call): Likewise.
6224 * dbxout.c (dbxout_symbol): Likewise.
6225 * emit-rtl.c (unshare_all_rtl): Likewise.
6226 (unshare_all_decls): Likewise.
6227 (reset_used_decls): Likewise.
6228 * expr.c (store_constructor): Likewise.
6229 (safe_from_p): Likewise.
6230 (expand_expr): Likewise.
6231 * function.c (put_var_into_stack): Likewise.
6232 (instantiate_decls_1): Likewise.
6233 (assign_parms): Likewise.
6234 (expand_function_start): Likewise.
6235 (expand_function_end): Likewise.
6236 * ggc-common.c (gcc_mark_trees): Likewise.
6237 * integrate.c (function_cannot_inline_p): Likewise.
6238 (copy_decl_for_inlining): Likewise.
6239 (expand_inline_function): Likewise.
6240 (integrate_parm_decls): Likewise.
6241 (integrate_decl_tree): Likewise.
6242 * print-tree.c (print_node): Likewise.
6243 * reg-stack.c (stack_result): Likewise.
6244 * stmt.c (label_rtx): Likewise.
6245 (expand_return): Likewise.
6246 (expand_decl): Likewise.
6247 (expand_decl_cleanup): Likewise.
6248 (expand_anon_union_decl): Likewise.
6249 * toplev.c (check_global_declarations): Likewise.
6250 (rest_of_decl_compilation): Likewise.
6251 * tree.c (simple_cst_equal): Likewise.
6252 * objc/objc-act.c (generate_static_references): Likewise.
6254 2001-03-14 Zack Weinberg <zackw@stanford.edu>
6256 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
6257 gcc_AC_C_FLOAT_FORMAT): New macros.
6258 * configure.in: Add AC_PROG_CPP after CC tests;
6259 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
6260 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
6261 * configure, config.in: Regenerate.
6263 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
6264 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6265 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6266 config/i370/xm-linux.h, config/i370/xm-oe.h,
6267 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6268 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
6269 config/pa/xm-linux.h, config/pa/xm-pa.h,
6270 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
6271 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
6272 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
6273 config/we32k/xm-we32k.h: Delete.
6275 * config/i370/xm-mvs.h, config/m88k/m88k.h,
6276 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6277 config/vax/xm-vms.h: Don't define any of:
6278 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
6280 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
6282 * config.gcc: Remove references to deleted files.
6283 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
6284 FATAL_EXIT_CODE, which is the same between oe and mvs).
6286 2001-03-14 DJ Delorie <dj@redhat.com>
6287 Vladimir Makarov <vmakarov@redhat.com>
6289 * config/i960/i960.c (i960_function_prologue): Compute size of
6290 frame according to number of registers actually saved there.
6292 2001-03-14 Richard Henderson <rth@redhat.com>
6294 * expr.c (emit_move_insn_1): Fix else if around #endif.
6296 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
6299 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
6302 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
6304 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
6305 (override_options): Parse cmodel string.
6306 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
6307 * i386.h (TARGET_OPTIONS): Add "cmodel".
6308 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
6310 (ix86_cmodel_string, ix86_cmodel): Declare.
6312 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
6315 * i386.h (GENERAL_REG_P): Add missing REG_P.
6317 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
6319 * configure.in: Use $gcc_cv_as instead of $as.
6320 * configure: Regenerated.
6322 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
6324 * cppfiles.c (stack_include_file): Only increase the include
6325 count if we actually process the file properly, as opposed
6326 to treating it as length zero. Only call read_include_file
6327 if not DO_NOT_REREAD. Handle the -H include file output
6329 (read_include_file): Remove now redundant DO_NOT_REREAD check.
6330 (cpp_included, find_include_file): Simplify pathnames after
6331 remapping them. If remapping, don't use the remapped file
6332 name's buffer as our scratch buffer.
6333 (cpp_pop_file_buffer): Replace the multiple include macro
6334 only if it isn't yet set.
6335 (read_name_map): Simplify remapped names when reading in.
6336 (remap_filename): Move code to code path that uses it.
6337 (_cpp_simplify_pathname): Return the input pointer.
6338 * cpphash.h (_cpp_simplify_pathname): Update prototype.
6340 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6342 * expr.c (expand_expr): Revove bogus conditional.
6344 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
6346 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
6348 2001-03-14 Jakub Jelinek <jakub@redhat.com>
6350 * reg-stack.c (stack_result): Unconditionally use
6351 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
6353 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
6355 * expr.c (emit_move_insn_1): Split push of complex value when
6356 no suitable push instruction exist.
6358 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
6359 instead of QI_REG_P.
6361 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6363 * alias.c (handled_component_p, can_address_p): New functions.
6364 (get_alias_set): Use them.
6366 2001-03-13 Jim Wilson <wilson@redhat.com>
6368 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
6369 from 80 in try_locals code.
6370 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
6372 2001-03-13 Zack Weinberg <zackw@stanford.edu>
6374 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
6375 gcc_AC_C_LONG_LONG): New.
6376 * configure.in: Use them. Probe the size of short, int, long,
6377 and long long/__int64 if we have them. Move all the AC_C_*
6378 checks together, except gcc_AC_C_CHAR_BIT which has to go
6379 after AC_CHECK_HEADERS(limits.h).
6380 Take hwint.h out of host_xm_file and build_xm_file.
6382 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
6383 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
6384 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
6385 Move the HOST_WIDEST_INT setup logic here from system.h.
6386 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
6388 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
6389 is now handled by hwint.h.
6391 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
6392 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
6393 config/ia64/xm-ia64.h: Don't define any of:
6394 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
6395 HOST_BITS_PER_LONGLONG.
6397 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
6398 config/h8300/xm-h8300.h, config/mips/iris6.h,
6399 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
6400 config/sparc/xm-sp64.h: Delete.
6401 * config.gcc: Remove references to deleted files.
6403 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
6404 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
6405 * config/i370/xm-linux.h: Clarify floating-point situation in
6408 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
6410 * cppfiles.c (NO_INCLUDE_PATH): New macro.
6411 (find_include_file): Decide here which part of the include
6412 chain to start the search. Complain about an empty include
6413 chain in all cases apart from an abolsute file name.
6414 (_cpp_execute_include): Don't choose the search chain here.
6415 Don't call handle_missing_include in the case of an empty
6417 (_cpp_compare_file_date): Don't choose the search chain here.
6418 * cpplib.c (do_include_next): Move the in-main-file diagnostic
6419 here from _cpp_execute_include. Behave like #include if
6420 we're in the main file.
6422 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6424 * system.h (malloc, realloc, calloc, strdup): Only poison these
6425 tokens when IN_GCC is defined.
6427 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
6429 * i386.md (abs?f expander): Support SSE case.
6430 (abd?f_if): Add new "USE"; add splitters.
6432 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6434 * cpp.texi (poison): Explain the macro expansion exception.
6436 2001-03-13 Jakub Jelinek <jakub@redhat.com>
6438 * expr.c (store_expr): Add dont_store_target. If temp is already in
6439 target before copying to reg, don't store it into target again.
6441 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6443 * cppinternals.texi: Update for file handling.
6445 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6447 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
6448 2001-02-24 which broke building the Java library.
6449 * function.c (identify_blocks): Likewise.
6450 (all_blocks): Likewise.
6451 * integrate.c (integrate_decl_tree): Likewise.
6452 * print-tree.c (print_node): Likewise.
6453 * tree.h (BLOCK_NUMBER): Likewise.
6454 (struct tree_block): Likewise.
6456 2001-03-12 David Edelsohn <edelsohn@gnu.org>
6458 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
6459 __WCHAR_TYPE__ definition.
6460 (WCHAR_TYPE_SIZE): #undef before #define.
6462 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6464 * cppfiles.c: Update comments.
6465 (destroy_include_file_node): Rename destroy_node.
6466 (find_or_create_entry): New function.
6467 (open_file, _cpp_fake_include): Use it.
6468 (handle_missing_header): New function, broken out of
6469 _cpp_execute include. Don't segfault if there is no
6470 system or quoted path.
6471 (_cpp_execute_include): Use handle_missing_header.
6473 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6475 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
6476 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
6478 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6480 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
6481 unless anti_dependence says they are.
6482 * alias.c (objects_must_conflict): If neither has a type specified,
6485 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6486 David Billinghurst <David.Billinghurst@riotinto.com>
6488 * config/mips/iris5.h: Change WCHAR_TYPE to int.
6490 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
6492 * i386.md (trunctfdf2_2): Rename missnamed pattern.
6493 (*_one_bit): Remove type on the match_operand in attributes.
6495 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
6497 * i386.c: Commit forgotten hunk in previous patch.
6498 (regclass_map): Add extended registers.
6499 (dbx_register_map): Add missing frame register.
6501 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
6503 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
6505 * i386.md (x86_sahf_1): Disable for 64bit.
6506 (popsi*, pophi*): Likewise.
6507 (pushqi, pushhi): Likewise.
6508 (movdi, pushdi): Likewise.
6509 (zero extend DImode splitter): Likewise.
6510 (adddi, minusdi splitter): Likewise.
6511 (umulsidi): Likewise.
6513 (mulsidi): Disable for 64bit
6514 (lshift:DI/ashift:DI): Disable for 64bit.
6515 (loop patterns): Likewise.
6516 (call_pop, call_value_pop expanders and patterns): Likewise.
6517 (prologue_get_pc): Likewise.
6519 (fcmovDI pattern and splitter): Likewise.
6520 (movdfcc_1_rex64): New.
6522 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
6524 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
6525 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
6526 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
6527 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
6528 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
6529 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
6530 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
6531 (PUSH_ROUNDING): x86_64 rounds to 64bits.
6532 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
6533 (REGPARM_MAX): Set to 6 for x86_64.
6534 (SSE_REGPARM_MAX): Set to 16 for x86_64.
6535 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
6538 * (patterns that does use upper halves): Update constraints
6539 'q' to 'Q' and 'r' to 'R'.
6540 (cmpqi_ext_1): Disable for 64bit.
6541 (cmpqi_ext_3_insn): Likewise.
6542 (movqi_extzv_1): Likewsie.
6543 (addqi_ext_1): Liekwsie
6544 (testqi_ext_1): Liekwsie
6545 (andqi_ext_1): Liekwsie
6546 (xorqi_ext_1): Liekwsie
6547 (cmpqi_ext_1_rex64): New.
6548 (cmpqi_ext_3_insn_rex64): Likewise.
6549 (movqi_extzv_1_rex64): Likewsie.
6550 (addqi_ext_1_rex64): Liekwsie
6551 (testqi_ext_1_rex64): Liekwsie
6552 (andqi_ext_1_rex64): Liekwsie
6553 (xorqi_ext_1_rex64): Liekwsie
6555 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6557 * configure.in: Move check for unsigned enumerated bitfields
6558 to macro in aclocal.m4. Disable it for now.
6559 * configure, config.in: Regenerate.
6560 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
6561 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
6562 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
6563 kind above its first use.
6565 * config/xm-interix.h, config/alpha/xm-alpha.h,
6566 config/i370/xm-linux.h, config/i386/xm-beos.h,
6567 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
6568 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6569 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
6570 Don't define ONLY_INT_FIELDS under any circumstances.
6572 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
6574 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6575 config/sparc/xm-sysv4.h: Delete - now identical with some
6577 * config.gcc (hppa targets): Replace xm-pahpux.h and
6578 xm-papro.h with implicit xm-pa.h.
6579 (sparc targets): Replace xm-sysv4.h with implicit or explicit
6582 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
6584 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
6585 before reload_cse_noop_set_p.
6587 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6589 * config.gcc: Where xm-host.h used to include another
6590 xm-host.h, list the nested header directly in xm_file. Remove
6591 references to deleted files. Can now use sparc/xm-sp64.h for
6594 * config/xm-linux.h, config/arm/xm-linux.h,
6595 config/i386/xm-dos.h, config/i386/xm-gnu.h,
6596 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
6597 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
6598 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
6599 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
6602 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
6603 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
6604 bother to wrap #undef in #ifdef.
6605 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
6606 Don't include xm-linux.h.
6607 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
6609 * configure.in: Wrap regexps using [] in changequote block.
6610 Use expr : not echo | grep. Simplify regexps.
6611 * configure: Regenerate.
6613 56 xm-files remain, 22 xm-arch.
6615 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6617 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
6618 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6619 (local_index, local_rindex): Delete, use strchr/strrchr instead.
6620 (copy_object): Fix format specifier vs argument mismatch.
6622 * mips-tdump.c: Make local functions static.
6623 (rindex): Don't #undef.
6624 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6625 (fatal, fancy_abort): Delete.
6626 (read_seek): Avoid signed/unsigned compare.
6628 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6630 * combine.c (try_combine): Fix error in change to try original
6632 (gen_rtx_combine): Do same as gen_rtx for now.
6634 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6636 * configure.in: AC_SUBST xm_defines.
6637 * configure: Regenerate.
6638 * Makefile.in: Set DEFINES=$(xm_defines) when building
6641 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
6643 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
6644 (cpp_included, find_include_file): Update.
6645 (_cpp_compare_file_date): Make else unconditional.
6647 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
6649 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
6651 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6653 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
6654 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
6656 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
6658 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
6659 if it's a record type.
6661 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
6663 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
6664 mingw includes slightly.
6666 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6668 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
6669 #undef token before poisoning it.
6671 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6673 * alpha.c (check_float_value): Use memcpy, not bcopy.
6675 * m32r.c (m32r_sched_reorder): Likewise.
6677 * vax.c (check_float_value): Likewise.
6679 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6681 * toplev.c (file_name_nondirectory): Remove.
6682 * toplev.h: Similarly.
6683 * dwarf2out.c (compute_section_prefix): Use lbasename instead
6684 of file_name_nondirectory.
6686 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6688 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
6689 * mips-tfile.c: Don't #undef rindex; not used.
6691 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
6693 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
6694 (dbx64_register_map): Declare.
6695 (RETURN_ADDR_RTX): Fix for 64bit.
6696 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
6697 (INCOMING_FRAME_SP_OFFSET): Set to 8.
6698 * i386.c (dbx64_register_map): New global array.
6699 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
6700 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
6703 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6705 * cppfiles.c (search_from): Use lbasename.
6706 * mkdeps.c (deps_add_default_target): Use lbasename.
6708 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6710 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
6711 xcalloc in lieu of malloc, realloc & calloc.
6713 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
6715 * gengenrtl.c (xmalloc): Likewise.
6717 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
6718 really_call_* memory allocation routines.
6720 * stmt.c (check_for_full_enumeration_handling): Use
6721 really_call_calloc, not calloc.
6723 * system.h (really_call_malloc, really_call_calloc,
6724 really_call_realloc): Define.
6725 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
6727 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
6729 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
6731 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
6733 * configure: Rebuilt.
6734 * configure.in: Only use `lang_requires' for languages athat are
6737 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
6739 * invoke.texi: Fix typo.
6740 * gcc.1: Regenerate.
6742 2001-03-09 Zack Weinberg <zackw@stanford.edu>
6744 * configure.in: Prune nonexistent files from build_xm_file,
6745 xm_file, and host_xm_file lists. Warn unless they're
6747 Don't generate *config.h here.
6748 AC_SUBST all variables needed to generate *config.h.
6749 * configure: Regenerate.
6750 * mkconfig.sh: New helper script, from code removed from
6752 * Makefile.in: Zap all MALLOC variables - no longer used
6753 anywhere, and malloc.c doesn't exist.
6754 Substitute in variables needed to generate *config.h.
6755 Stop lying about the dependencies contained in CONFIG_H and
6757 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
6758 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
6759 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
6760 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
6761 $(TM_P_H), etc. as appropriate.
6763 * config.gcc: Zap references to deleted files.
6764 * ggc-none.c: Don't include rtl.h or tm_p.h.
6766 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
6767 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
6768 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
6769 config/i386/xm-linux.h, config/i386/xm-linux.h,
6770 config/i386/xm-next.h, config/i386/xm-openbsd.h,
6771 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
6772 Don't include i386/xm-i386.h.
6774 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
6775 config/i386/xm-i386.h, config/i860/xm-i860.h,
6776 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
6777 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6778 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
6779 Delete (empty except comments, #includes of other deleted
6780 files, and macros used nowhere).
6782 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
6784 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
6785 independent on TARGET_FLAGS.
6787 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
6789 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
6791 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
6793 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
6795 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
6796 LAST_REX_SSE_REG): define.
6797 (enum reg_class): Add 'LEGACY_REGS'
6798 (REG_CLASS_CONTENTS): Likewise; add extended registers.
6799 (SSE_REGNO_P): Recognize extended registers.
6800 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
6801 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
6802 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
6803 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
6804 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
6805 REG_OK_FOR_STRREG_P): Remove.
6806 (HI_REGISTER_NAMES): Add extended registers.
6807 (ADDITIONAL_REGISTER_NAMES): Likewise.
6808 (QI_REGISTER_NAMES): Add 8bit extended registers.
6809 (DEBUG_REG): Support extended registers.
6810 * i386.c (regclass_map): Add extended registers.
6811 (dbx_register-map): Likewise.
6812 (svr4_dbx_register_map): Likewise.
6813 (print_reg): Support extended registers.
6814 (print_operand): Support 64bit operands.
6816 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
6818 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
6819 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6820 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
6821 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
6822 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
6823 STACK_BOUNDARY): Set properly for 64bits.
6824 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
6825 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
6826 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
6827 (MOVE_MAX): Set to 16.
6828 (MOVE_MAX_PIECES): 8 for 64bit.
6829 (Pmode): Set to SImode.
6831 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
6833 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
6835 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
6837 * i386.h (mask_64bit): New constant.
6838 (target_64bit): New macro.
6839 (target_options): Add '64'/'32'
6840 (target_default): Define.
6841 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
6842 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
6843 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
6845 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
6847 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
6849 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
6851 * rtlanal.c (rtx_varies_p): Check operand 0 of a
6852 LO_SUM unless for_alias is set.
6854 2001-03-08 Stan Shebs <shebs@apple.com>
6856 * objc/objc-act.c: Fix old typos in comments, add comments for
6858 (hash_init): Fix file name in error message.
6859 (hash_enter): Ditto.
6860 (hash_add_attr): Ditto.
6861 (continue_class): Ditto.
6863 2001-03-08 Bruce Korb <bkorb@gnu.org>
6865 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
6866 wait4() can receive the signal.
6868 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6870 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
6872 * fixinc/fixincl.x: Regenerate.
6874 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6876 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
6878 * fixinc/fixincl.x: Regenerate.
6880 2001-03-08 Richard Henderson <rth@redhat.com>
6882 * configure.in (HAVE_AS_LEB128): New assembler check.
6883 * configure, config.in: Rebuilt.
6885 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
6887 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
6890 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6892 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
6893 references to the MAXPATHLEN macro.
6895 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
6896 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
6899 * config/i386/xm-gnu.h, config/xm-gnu.h,
6900 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
6901 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
6902 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
6903 and/or unused files.
6905 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
6906 doing so in various xm-*.h files.
6908 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6910 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
6912 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
6914 * configure.in (enable_shared): Support per-package shared-library
6916 * configure: Rebuilt.
6918 2001-03-07 David Edelsohn <edelsohn@gnu.org>
6920 * rs6000.md (cr logic): Add original POWER mnemonic alternative
6921 for crnot. Set operands[5] in splitter.
6923 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6925 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
6926 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
6927 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
6928 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
6929 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
6930 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
6931 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
6934 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
6935 config/i370/xm-i370.h, config/i386/xm-dgux.h,
6936 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6937 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6938 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
6939 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
6940 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
6941 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
6942 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
6943 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
6944 Delete unused and/or empty files.
6946 * config.gcc: Define USG in xm_defines as appropriate. Define
6947 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
6948 macro. Remove deleted xm-* files from $xm_files variable.
6950 2001-03-07 Tom Tromey <tromey@redhat.com>
6952 * configure: Rebuilt.
6953 * configure.in: Allow config-lang.in to set `lang_requires' to list
6954 of other required languages.
6956 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
6958 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
6960 (output_prologue): Use xmalloc not oballoc.
6961 (output_epilog): Free a29k_first_epilogue_insn when finished.
6962 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
6964 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
6966 * builtins.c (expand_builtin_mathfn): Check
6967 flag_unsafe_math_optimizations, not flag_fast_math.
6968 (expand_builtin): Likewise
6969 * combine.c (combine_simplify_rtx): Likewise.
6970 (simplify_if_then_else): Likewise.
6971 * cse.c (fold_rtx): Likewise.
6972 * flags.h: Remove flag_fast_math. Add
6973 flag_unsafe_math_optimizations and flag_trapping_math.
6974 * fold-const.c (negate_expr): Check
6975 flag_unsafe_math_optimizations, not flag_fast_math.
6976 (invert_truthvalue): Likewise.
6977 (fold): Likewise. Before associating operands, check that
6978 code == MULT_EXPR, not code != MULT_EXPR.
6979 * ifcvt.c (noce_try_minmax): Check
6980 flag_unsafe_math_optimizations, not flag_fast_math.
6981 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
6982 * invoke.texi: Document -funsafe-math-optimizations and
6983 -fno-trapping-math. Change documentation for -ffast-math.
6984 * jump.c (reversed_comparison_code_parts): Likewise.
6985 (rtx_equal_for_thread_p): Likewise.
6986 * optabs.c (emit_conditional_move): Likewise.
6987 * simplify-rtx.c (simplify_binary_operation): Likewise.
6988 (simplify_relational_operation): Likewise.
6989 (simplify_ternary_operation): Likewise.
6990 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
6991 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
6992 Add trapping-math and unsafe-math-optimizations entries to f_options.
6993 (set_fast_math_flags): New, sets flags for -ffast-math.
6994 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
6995 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
6996 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
6998 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6999 (alpha_emit_conditional_move): Initialize local_fast_math to
7000 flag_unsafe_math_optimizations, not flat_fast_math.
7001 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
7002 instead of setting flag_fast_math to 1.
7003 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
7005 * config/i386/i386.c (override_options): Likewise
7006 * config/i386/i386.md: Likewise.
7007 * config/m68k/m68k.md: Likewise.
7008 * config/mips/mips.md: Likewise.
7009 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
7010 (rs6000_generate_compare): Likewise.
7012 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7014 * Makefile.in: Set RANLIB to @RANLIB@.
7017 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7019 * fixinc/inclhack.def (djgpp_wchar_h): New test.
7020 * fixinc/fixincl.x: Regenerated.
7022 2001-03-07 Richard Henderson <rth@redhat.com>
7024 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
7026 2001-03-07 Richard Henderson <rth@redhat.com>
7028 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
7029 of block notes and exception handling notes.
7031 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
7032 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
7033 (compile_file): ... here.
7035 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7037 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
7039 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
7040 config.h now. Include libiberty.h to handle alloca.
7042 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7044 * c-parse.in (yylexname): New function, split out of _yylex.
7045 (objc_rid_sans_at): New table.
7046 (init_reswords): Initialize it.
7047 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
7048 retrieving the next token and checking it for significance as
7049 an ObjC keyword or string constant.
7051 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
7052 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
7054 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
7057 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
7059 * config/m68k/m68k.c (const_uint32_operand): Accept any
7060 const_int on a 32-bit host.
7062 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
7064 * objc/objc-act.c (init_objc): Set save_lang_status,
7065 restore_lang_status, and mark_lang_status.
7067 2001-03-06 Krister Walfridsson <cato@df.lth.se>
7069 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
7071 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
7073 * cppinternals.texi: Update.
7075 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7077 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7078 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
7079 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
7080 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7081 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
7082 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7083 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
7084 config/i386/xm-i386.h, config/i860/xm-i860.h,
7085 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7086 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
7087 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7088 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7089 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7090 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7091 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
7092 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7093 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
7094 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7095 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7096 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
7097 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
7098 match the defaults provided in hwint.h.
7100 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7101 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
7103 * config.gcc (xm_file): Don't set to files which are deleted.
7105 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
7106 guard this file against these macros being undefined.
7108 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7110 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
7111 and DECL_DEFER_OUTPUT on the decl we create, before calling
7112 rest_of_decl_compilation.
7114 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7116 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
7118 * configure, config.in: Regenerate.
7119 * config.gcc: Remove references to deleted files.
7121 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
7122 genrecog.c, rtl.c: Do not use alloca anywhere.
7124 * Makefile.in, build-make, system.h, config/x-interix,
7125 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
7126 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
7127 config/arc/xm-arc.h, config/arm/xm-arm.h,
7128 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7129 config/h8300/xm-h8300.h, config/i370/x-oe,
7130 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
7131 config/i386/x-ncr3000, config/i386/x-sco5,
7132 config/i386/xm-dgux.h, config/i860/x-sysv4,
7133 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
7134 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
7135 config/m68k/x-hp320g, config/m69k/x-mot3300,
7136 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
7137 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
7138 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
7139 config/m88k/x-sysv4, config/m88k/x-tekXD88,
7140 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7141 config/mips/x-iris, config/mips/x-iris3,
7142 config/mips/x-sni-svr4, config/mips/x-sysv,
7143 config/mips/xm-iris6.h, config/mips/xm-mips.h,
7144 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
7145 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
7146 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7147 config/pa/xm-papro.h, config/romp/xm-romp.h,
7148 config/rs6000/x-aix31, config/rs6000/x-aix41,
7149 config/rs6000/x-beos, config/rs6000/x-lynx,
7150 config/rs6000/x-mach, config/rs6000/x-rs6000,
7151 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
7152 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7153 config/sparc/x-sysv4, config/sparc/xm-linux.h,
7154 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
7155 config/vax/xm-vms.h: Eradicate all references to alloca and
7158 * config/xm-alloca.h, config/clipper/x-clix,
7159 config/i386/xm-sysv4.h, config/i860/x-fx2800,
7160 config/i860/x-sysv3, config/m88k/x-sysv3,
7161 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
7162 (contained only alloca related hacks).
7164 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
7167 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
7169 * invoke.texi: Document __FAST_MATH__.
7171 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7173 * crtstuff.c: Restore include of auto-host.h.
7175 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
7177 Put main() in a separate file, so that the language
7178 front-end can use a different main().
7181 * toplev.c: (main): Rename as toplev_main.
7182 * toplev.h: Declare toplev_main.
7183 * Makefile.in (OBJS): add toplev.o.
7184 (BACKEND): remove toplev.o, add main.o.
7186 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7188 * cppfiles.c (search_from): Special case the empty string.
7190 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7192 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
7193 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
7194 strlen or strcpy; we already know the length.
7195 (_cpp_compare_file_date): Similarly.
7196 * cpphash.h (struct cpp_reader): Delete done_initialising.
7197 (CPP_PREV_BUFFER): Delete.
7198 * cppinit.c (cpp_start_read): Don't set done_initialising.
7199 * cpplex.c (parse_string): Guarantee null-termination.
7200 (_cpp_equiv_toklists): Remove.
7201 * cpplib.c (glue_header_name): Null-terminate.
7202 (do_line): Don't leak memory.
7203 * cpplib.h (BT_WEAK): Delete.
7204 * cppmain.c (cb_ident): Strings are now null-terminated.
7206 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
7208 * gcc.c (convert_filename): Append executable suffix
7209 if NO_AUTO_EXE_SUFFIX is not defined.
7210 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
7211 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
7213 2001-03-03 David O'Brien <obrien@FreeBSD.org>
7215 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7216 * c-parse.gperf, c-gperf.h: Delete.
7217 (c-gperf.h was accidently re-added to the CVS repo in the rev
7218 1.16 commit by tromey)
7220 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7222 * cpplex.c (_cpp_lex_token): Don't warn about directives in
7223 macro arguments when looking for the '('.
7224 * cppmacro.c (funlike_invocation_p): Set parsing_args to
7225 2 when really parsing arguments; 1 when looking for '('.
7226 Always restore the lexer position.
7228 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7230 * longlong.h (umul_ppmm): Don't use a multiline string.
7232 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
7234 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
7235 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
7236 t_bool in declaration because pcc can't combine volatile with typedef
7239 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
7241 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
7242 until when it is really needed.
7243 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
7244 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
7245 * i386.md (float?i?f splitter): Don't force source operand to memory
7247 (sse_movdfcc): Fix constraint.
7248 (sse_movdfcc splitter): Handle properly the second alternative.
7250 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7252 * cpplex.c (parse_string): Unconditionally pedwarn.
7254 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7257 * cppexp.c (parse_number): Update.
7258 * cpplex.c (parse_string): Pedwarn if multiline string does not
7259 result from a system header's macro.
7260 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
7261 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
7262 for function-like macros too.
7263 * c-lex.c (lex_number): Update.
7265 2001-03-03 Richard Henderson <rth@redhat.com>
7267 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
7269 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
7271 * combine.c (try_combine): If split with mode-changed scratch
7272 register didn't work, try the original mode.
7274 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
7276 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
7277 * config/c4x/c4x.h: Likewise.
7278 * stor-layout.c (compute_record_mode): Likewise.
7279 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
7281 2001-03-02 Zack Weinberg <zackw@stanford.edu>
7283 * configure.in: Kill tm.h. Include the files in the $tm_file
7284 list in all three of config.h, hconfig.h, tconfig.h, after the
7285 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
7286 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
7287 * configure: Regenerate.
7288 * Makefile.in (clean): Don't delete tm.h.
7290 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
7291 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
7292 those are not defined, set SEC and FEC to 0 and 1.
7293 * gcc.texi: Update to match.
7295 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
7296 * config/fp-bit.c, config/m68k/aux-crt2.asm,
7297 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
7298 Include tconfig.h, not tm.h.
7300 * config/xm-lynx.h, config/xm-std32.h,
7301 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7302 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
7303 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
7304 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7305 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7306 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7307 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
7308 config/i386/xm-i386.h, config/i860/xm-i860.h,
7309 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7310 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
7311 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7312 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7313 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7314 config/pa/xm-linux.h, config/pa/xm-pa.h,
7315 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7316 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
7317 config/pj/xm-pj.h, config/romp/xm-romp.h,
7318 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7319 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7320 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7321 config/v850/xm-v850.h, config/vax/xm-vax.h,
7322 config/we32k/xm-we32k.h:
7324 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
7326 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
7327 config/i370/xm-oe.h: Don't include tm.h. Don't define
7329 * config/vax/xm-vms.h: Don't include tm.h.
7331 * config/xm-lynx.h, config/avr/xm-avr.h,
7332 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
7333 Delete; made empty by above changes.
7334 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7335 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
7336 Don't include config/xm-lynx.h or tm.h.
7338 * config/xm-gnu.h: Don't include fcntl.h.
7339 * config/sparc/xm-lynx.h: Don't include sys/types.h and
7341 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
7343 2001-03-02 Richard Henderson <rth@redhat.com>
7345 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
7346 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
7348 2001-03-02 Richard Henderson <rth@redhat.com>
7350 * Makefile.in (OBJS): Add dwarf2asm.o.
7351 * dwarf2asm.c, dwarf2asm.h: New files.
7352 * dwarf2out.c (*): Use them.
7353 (size_of_uleb128, size_of_sleb128): Remove.
7354 (output_uleb128, output_sleb128): Remove.
7355 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
7356 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
7357 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
7358 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
7359 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
7360 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
7361 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
7362 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
7363 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
7364 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7365 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
7366 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
7367 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
7368 (dwarf2out_frame_debug): Remove unused variables.
7369 (output_loc_operands): Don't abort on 8 byte constants if
7370 host integers are wide enough.
7371 (output_symbolic_ref): Remove.
7372 (size_of_die): Don't assume 4 byte host integers.
7373 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
7375 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
7376 something stupid with HOST_WIDE_INT to long truncation.
7377 [CONST_DOUBLE]: Likewise.
7379 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
7380 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7381 * config/arm/unknown-elf.h: Likewise.
7382 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
7383 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
7384 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
7385 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
7386 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
7387 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
7388 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
7389 (ASM_OUTPUT_DWARF_OFFSET): Remove.
7390 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
7391 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
7392 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
7393 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
7395 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7397 * cselib.c (hash_rtx): Cast enums to unsigned int.
7399 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7401 * print-rtl.c (print_rtx): Cast enums to int for comparison.
7402 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
7404 * c-format.c (C_STD_VER): Cast to int for comparisons.
7405 (check_function_format): Cast various enums to int for &.
7406 (maybe_read_dollar_number): Likewise.
7407 (check_format_info): Likewise.
7408 (check_format_info_main): Likewise.
7409 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
7410 (safe_from_p): Likewise.
7411 * varasm.c (const_hash): Cast enum to int for %.
7412 * emit-rtl.c (init_emit_once): Use int loop variable to work around
7413 pcc enum problems with < and ++ operators.
7414 * regclass.c (init_reg_sets_1): Cast enums for comparison.
7415 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
7416 (regclass_init): Change enum class to int to iterate over reg_classes.
7417 * genrecog.c (merge_trees): Cast enums for comparison.
7418 * rtl.h (GET_CODE): Cast to enum rtx_code.
7419 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
7420 (GET_MODE): Cast to enum machine_mode.
7421 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
7422 (GET_NOTE_INSN_NAME): Cast enum to int.
7423 * tree.h (TREE_CODE): Cast to enum tree_code.
7424 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
7425 * timevar.c (timevar_print): Change loop variable id from enum to
7427 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
7428 * config/i386/i386.md: Use PUT_MODE for mode assignment.
7429 * toplev.c (compile_file): Cast enum DFI to int.
7430 (decode_d_option): Likewise.
7432 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
7434 * cppinit.c (append_include_chain): Mark "after" include file name list
7435 as a system directory.
7436 * cpp.texi: Document new behavior.
7438 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
7440 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
7442 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
7444 * cppfiles.c (struct include_file): Update.
7445 (stack_include_file): Use search_from.
7446 (cpp_included, find_include_file): Update.
7447 (cpp_execute_include): Update. ptr->name may not be
7448 null terminated. Use the new search_from member variable
7450 (_cpp_compare_file_date): Similarly.
7451 (search_from): New function, similiar to actual_directory.
7452 (actual_directory): Delete.
7453 (remap_filename): Update. loc->name may not be null terminated.
7454 (struct file_name_list): Rename search_path. Update.
7455 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
7456 search_from and dir.
7457 (struct cpp_reader): Remove actual_dirs.
7458 * cppinit.c (struct cpp_pending): Update for renamed objects.
7459 (append_include_chain, remove_dup_dir, remove_dup_dirs,
7460 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
7461 * cpplib.h (struct cpp_options): Similarly.
7463 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7465 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
7466 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
7467 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7468 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7469 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7470 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7471 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7472 config/i370/xm-linux.h, config/i370/xm-mvs.h,
7473 config/i370/xm-oe.h, config/i386/xm-aix.h,
7474 config/i386/xm-i386.h, config/i386/xm-osf.h,
7475 config/i860/xm-i860.h, config/i960/xm-i960.h,
7476 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7477 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
7478 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
7479 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
7480 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
7481 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7482 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7483 config/pj/xm-pj.h, config/romp/xm-romp.h,
7484 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7485 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7486 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7487 config/v850/xm-v850.h, config/vax/xm-vax.h,
7488 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
7489 Do not define TRUE or FALSE.
7491 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
7492 empty by above change.
7493 * config.gcc: Remove references to these files.
7495 * configure.in: Detect stdbool.h.
7496 * configure, config.in: Regenerate.
7497 * system.h: Include stddef.h here if available.
7498 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
7499 Then set up a sensible boolean type at the very end.
7501 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
7502 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
7504 * hash.h: Delete 'boolean' typedef and related #undefs.
7506 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
7507 all uses of 'boolean' with 'bool'.
7509 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7511 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
7512 * cppexp.c (lex): Cast enums for comparison.
7513 * cppinit.c (parse_option): Cast enum for comparison.
7514 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
7515 (cpp_output_token): Likewise.
7516 (cpp_can_paste): Cast enums for comparsion and plus/minus.
7517 (cpp_avoid_paste): Cast enums for minus and comparison.
7519 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7521 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
7522 field to all array elements.
7524 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7526 * cpphash.h (struct cpp_reader): Add print_version field.
7527 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
7528 just set print_version and other flags as appropriate.
7529 (cpp_post_options): Print version here if print_version is set.
7531 * toplev.c (exit_after_options): New flag.
7532 (independent_decode_option): Don't exit here; just set
7534 (main): Exit after calling lang_hooks.post_options if
7535 exit_after_options is true.
7537 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
7538 (merge_include_chains): Adjust comment to match code.
7540 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7542 * stringpool.c (set_identifier): New function.
7543 * tree.h: Prototype it.
7545 * c-parse.in: Kill D_YES. If compiled for objc, call
7546 save_and_forget_protocol_qualifiers from init_reswords.
7547 * objc/objc-act.c (remember_protocol_qualifiers,
7548 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
7549 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
7551 (save_and_forget_protocol_qualifiers): New function.
7552 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
7554 2001-03-01 Diego Novillo <dnovillo@redhat.com>
7556 * c-semantics.c (prune_unused_decls): Return error_mark_node
7557 instead of (tree) 1 to stop traversing the tree chain.
7559 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7561 Fix a problem introduced by Kenner's Feb 18 change.
7562 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
7563 flag_cse_skip_blocks only temporarily, not for ever.
7565 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
7567 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
7568 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
7570 * pa.c (emit_move_sequence): Verify operand0 is a hard register
7571 before determining its register class.
7573 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7575 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
7576 from reg 4 if current_function_calls_setjmp.
7577 (gen_nop_type): New function.
7578 (ia64_emit_nops): New function.
7579 (ia64_reorg): Call it.
7580 (ia64_sched_reorder): Move code that rotates bundles up a bit.
7582 * reload1.c (eliminate_regs_in_insn): Restrict the special case
7583 code not to try to optimize adds with anything but a REG destination.
7585 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
7586 (INSN_PRIORITY_KNOWN): New accessor macro.
7587 * haifa-sched.c (priority): Use it instead of testing priority against
7590 2001-02-28 DJ Delorie <dj@redhat.com>
7592 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
7593 since that doesn't work the way gcc wants on a generic m68k.
7595 2001-02-28 Richard Henderson <rth@redhat.com>
7597 * caller-save.c (save_call_clobbered_regs): Fix typo in
7598 comparison last change.
7600 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
7602 * i386.c (pentium4_cost): New.
7603 (m_PENT4): New macro.
7604 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
7605 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
7606 x86_integer_DFmode_moves, x86_partial_reg_dependency,
7607 x86_memory_mismatch_stall): Add Pentium4
7608 (x86_use_q_reg, x86_use_any_reg): Kill.
7609 (override_options): Add pentium4.
7610 (incdec_operand): Return 0 for pentium4.
7611 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
7612 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
7613 (TARGET_PENTIUM4): Define.
7614 (enum processor_type): Add PROCESSOR_PENTIUM4.
7615 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
7616 * i386.md (attribute "cpu"): Add pentium4.
7617 * invoke.texi (march): Add pentium4.
7619 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
7621 * i386.md (sse_mov?fcc*): New patterns and splitters.
7622 * i386.c (ix86_expand_movcc): Work post-reload; recognize
7623 the SSE based conditional moves.
7625 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
7627 * i386.md (attribute mode): Add "TI".
7628 (movsf_1): Add pxor support; remove constant propagation splitter.
7629 (movdf_integer): Likewise.
7630 (movdf_nointeger): Likewise.
7631 (movxf constant prop splitter): Handle all modes; update for SSE.
7632 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
7633 * i386.c (standard_80387_constant_p): Rewrite.
7634 (standard_sse_constant_p): New.
7635 * i386-protos.h (standard_sse_constant_p): New.
7637 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
7639 * i386.md (sse_setccsf, sse_setccdf): New.
7640 (sse_cmp* patterns): Use '%D' instead of outputtting condition
7642 * i386.c (sse_comparison_operator): Accept the supported unordered
7643 comparses; be ready for fast_math.
7644 (print_operand): Support 'D'.
7646 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
7648 * jump.c (reversed_comparison_code): Kill.
7650 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
7652 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
7655 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
7657 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
7658 add missing '%' in constraints.
7660 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
7662 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
7663 for HOST_BITS_PER_WIDE_INT == 32 too.
7665 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
7667 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
7669 (insert_save, insert_restore): New parameter save_mode.
7670 (init_caller_save): Update initialization of reg_save_code
7671 and reg_restore_code.
7672 (save_call_clobbered_regs): Compute save_modes and update calls to
7673 reg_save_code and reg_restore_code.
7674 (insert_restore): Unsignetize numbers; use save_modes to choose mode
7675 of spill; update use of reg_restore_code.
7676 (insert_save): Likewise.
7677 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7678 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7679 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
7681 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7683 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
7684 noce_try_store_flag_inc, noce_try_store_flag_mask,
7685 noce_try_cmove_arith):
7686 Use reversed_comparison_code instead of reverse_comparison and
7687 can_reverse_comparison_p.
7689 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
7691 * jump.c (reversed_comparison_code_parts): Allow reversal of
7692 unordered compares in -ffast-math mode; reverse ordered compares
7693 for FP even w/o -ffast-math.
7695 2001-02-27 Richard Henderson <rth@redhat.com>
7697 * print-rtl.c (print_rtx) [i]: Don't print field five on
7698 NOTEs other than NOTE_INSN_DELETED_LABEL.
7700 2001-02-27 Zack Weinberg <zackw@stanford.edu>
7702 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
7703 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
7705 2001-02-27 Diego Novillo <dnovillo@redhat.com>
7707 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
7708 even if walk_subtrees is 0.
7709 * c-semantics.c (prune_unused_decls): Return a non-null value to
7710 stop traversing the tree chain.
7712 2001-02-27 DJ Delorie <dj@redhat.com>
7714 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
7715 register, *then* define it as the new CFA.
7717 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
7719 * pa.c (override_options): Promote -fpic to -fPIC.
7720 (legitimize_pic_address): Simplify due to removal of
7721 small PIC as a code generation option.
7722 (secondary_reload_class): Similarly.
7723 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
7724 (PRINT_OPERAND_ADDRESS): Similarly.
7725 * pa.md (various patterns): Similarly.
7726 (small pic lo_sum pattern): Remove.
7728 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
7731 * md.texi (min, max): Document
7733 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
7735 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
7736 TARGET_PARTIAL_REG_DEPENDENCY.
7737 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
7739 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
7741 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
7743 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
7745 * mips.c (mips_make_temp_file): Fix thinko in last change.
7747 2001-02-26 Jason Eckhardt <jle@redhat.com>
7749 * combine.c (known_cond): Do not reverse the condition when
7750 SMAX/UMAX is being considered and the condition is for equality
7753 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
7755 2001-02-26 Philip Blundell <philb@gnu.org>
7757 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
7759 * config/arm/linux-elf.h: Remove historical relics related to
7760 above configurations.
7761 * config/arm/linux-oldld.h: Delete.
7762 * config/arm/linux-elf26.h: Delete.
7764 2001-02-26 Jason Merrill <jason@redhat.com>
7766 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
7768 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
7769 recognize a tentative definition. Lose obsolete code.
7771 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
7772 variables unless necessary, either.
7774 2001-02-25 Richard Henderson <rth@redhat.com>
7776 * ifcvt.c (struct noce_if_info): Add test_bb.
7777 (noce_get_alt_condition): New.
7778 (noce_try_minmax, noce_try_abs): New.
7779 (noce_operand_ok): New.
7780 (noce_process_if_block): Use them.
7781 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
7783 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
7785 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
7788 2001-02-25 Zack Weinberg <zackw@stanford.edu>
7790 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
7791 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
7793 (mips_asm_file_end): Free temp_filename here.
7795 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7797 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
7798 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
7800 * config/i386/i386.md (movstrsi): Handle FAIL case.
7802 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
7804 * cppinit.c (builtin_array): Update.
7805 (init_builtins): Flag builtins to warn if redefined or
7806 undefined. Define __GXX_WEAK as a normal macro.
7807 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
7808 * cpplib.h (NODE_WARN): New flag.
7809 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
7810 Handle __STDC__ as a builtin only on Solaris.
7811 (warn_of_redefinition): Renamed from check_macro_definition.
7812 Reverse sense of test. Always warn if NODE_WARN.
7813 (_cpp_create_definition): Use warn_of_redefinition. Flag
7814 any macro beginning with "__STDC_" to require a mandatory
7815 warning if redefined or undefined.
7817 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7819 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
7820 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
7821 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
7822 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
7823 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
7824 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
7825 Don't define any of:
7826 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
7827 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
7828 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
7829 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
7830 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
7832 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
7833 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
7836 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
7837 Delete now-empty file.
7839 * alpha/vms.h: Define NEED_ATEXIT here...
7840 * alpha/xm-vms.h: ...not here.
7842 * i386/cygwin.h: Don't define PARAMS.
7843 * mips/mips.c: Don't prototype mktemp. Don't define
7844 P_tmpdir. Use make_temp_file to create temporary files.
7845 Don't be clever and delete temporary files early.
7846 * config.gcc: Drop references to deleted files. Don't define
7848 * gcc.texi: Don't mention USE_PROTOTYPES.
7850 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7852 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
7853 (ix86_set_move_mem_attrs_1): Likewise.
7854 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
7855 * config/i386/i386.md (movstrsi): Call it.
7857 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7859 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
7860 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
7861 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
7862 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
7864 (i750a-*-*): Error here if hosting on i750a.
7865 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
7867 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
7868 Remove (empty modulo comments).
7870 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
7871 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
7872 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
7873 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
7874 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
7875 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
7877 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
7878 Remove reference to winnt.h in comment.
7879 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
7881 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7883 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
7884 used to set another biv.
7886 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7888 * tree.h (BLOCK_DEAD): New macro.
7889 (struct tree_block): New flag, dead_flag.
7890 * print-tree.c (print_node, case 'b'): Print missing fields.
7891 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
7892 * function.c (identify_blocks): Enable test for misplaced notes.
7893 (all_blocks): Skip BLOCK_DEAD blocks.
7894 * integrate.c (integrate_decl_tree): Likewise.
7896 * errors.c (internal_error, trim_filename): New functions.
7897 (fancy_abort): Call internal_error.
7898 * errors.h (internal_error, trim_filename): New declarations.
7900 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
7902 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
7904 (EXTRA_CONSTRAINT): Formatting changes.
7906 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7908 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
7910 2001-02-23 Per Bothner <per@bothner.com>
7912 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
7913 so they can be called from java/jvspec.c.
7914 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
7916 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
7918 * i386.c (ix86_frame): New structure.
7919 (ix86_compute_frame_size): Kill.
7920 (ix86_compute_frame_layout): New.
7921 (ix86_save_reg): New.
7922 (ix86_can_use_return_insn_p): Use frame layout stuff.
7923 (ix86_expand_prologue): Likewise.
7924 (ix86_expand_epilogue): Likewise.
7925 (ix86_initial_elimination_offset): Likewise.
7926 (ix86_nsaved_regs): Use ix86_save_reg.
7927 (ix86_emit_save_regs): Likewise.
7929 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
7931 * flow.c (find_sub_basic_blocks): New function.
7932 (split_block): Be ready for basic block introduced by CODE_LABEL.
7933 (commit_one_edge_insertion): Call find_sub_basic_block.
7935 * flow.c (make_edges): Add edge from entry for blocks starting with
7936 label having ALTERNATE_NAME
7938 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
7940 * function.c (epilogue_done): Be ready for first basic block not
7941 containing PROLOGUE_END note.
7942 (reposition_prologue_and_epilogue_notes): Avoid placing
7943 PROLOGUE_END note between BASIC_BLOCK.
7945 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
7947 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
7949 2001-02-21 DJ Delorie <dj@redhat.com>
7951 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
7952 check for current_function_has_nonlocal_goto from 1999-11-12.
7954 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7956 * diagnostic.c (trim_filename): No longer static.
7957 * toplev.h (trim_filename): Declare.
7958 * rtl.c (rtl_check_failed_bounds): Call internal_error.
7959 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
7960 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
7961 (rtvec_check_failed_bounds): Likewise.
7962 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
7964 * convert.c (convert_to_integer): Don't do unsigned unless result or
7965 both inputs are unsigned.
7967 * fold-const.c (fold_convert): Don't call size_int_type_wide if
7970 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
7972 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
7974 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
7976 * Makefile.in (resource.o): Add params.h dependence.
7977 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
7978 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
7979 * resource.c: Add dependence on params.h.
7980 (current_live_regs): Fix explanatory comment.
7981 (find_basic_block): Add new parameter to permit limiting search
7983 (mark_target_live_regs): Add new argument to find_basic_block call.
7984 (incr_ticks_for_insn): Likewise.
7986 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7988 * diagnostic.c (output_to_stream): Rename to
7989 output_buffer_to_stream. Loses the stream parameter.
7990 (init_output_buffer): Set diagnosic_buffer's stream.
7991 (flush_diagnostic_buffer): Adjust.
7992 (default_print_error_function): Likewise.
7993 (finish_diagnostic): Likewise.
7994 (verbatim): Likewise.
7996 * diagnostic.h (struct output_buffer): Add `stream' field.
7997 (output_buffer_attached_stream): New macro.
7999 2001-02-23 Jakub Jelinek <jakub@redhat.com>
8001 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
8002 check if either operand is divisible by C.
8003 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
8004 If type is signed, consider negative numbers as well.
8006 2001-02-22 Richard Henderson <rth@redhat.com>
8008 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
8009 reach .text instead of gp-relative relocs.
8010 * config/ia64/crtend.asm (.init): Likewise.
8012 2001-02-22 Andreas Jaeger <aj@suse.de>
8014 * extend.texi (C++ Attributes): Fix typo.
8016 2001-02-21 David Mosberger <davidm@hpl.hp.com>
8018 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
8019 functions, drop current_function_args_info.words test.
8020 (ia64_compute_frame_size): Mark syscall_linkage functions as
8021 using eight input registers.
8023 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
8024 Bruce Korb <bkorb@gnu.org>
8026 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
8027 * fixinc/README: Document how to convert sed substitutions
8028 to format style c_fix-es.
8029 * fixinc/fixincl.x: regen
8031 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
8033 * gcc.c: Add comment explaining how to add a command-line option.
8034 Add title to specs language comment.
8036 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8038 * gcc.c (cc1_options): Add "-param".
8039 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
8040 (option_map): Likewise.
8041 * toplev.c (display_help): Add entry for "--param".
8042 (independent_decode_option): Fix typographical error.
8044 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
8045 Bernd Schmidt <bernds@redhat.com>
8046 Jan Hubicka <jh@suse.cz>
8048 * i386.c (function_arg_advance): Pass SSE arguments in registers.
8049 (function_arg): Likewise.
8051 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
8053 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
8055 2001-02-21 Kazu Hirata <kazu@hxi.com>
8057 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
8061 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
8063 * flow.c (init_propagate_block_info): Canon address and use single_set
8064 for killing dead memory stores.
8066 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8068 * Makefile.in (reorg.o): Add params.h dependence.
8069 * params.def: Fix typographical error in comment.
8070 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8071 * params.h: Modify introductory comment.
8072 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8073 * reorg.c: Add dependence on params.h.
8074 (redundant_insn): Add parameterized throttle for search.
8075 (fill_simple_delay_slots): Add a comment explaining a variable.
8076 Move conditional out of loop, simplifying code.
8077 (fill_eager_delay_slots): Fix typographical error in comment.
8079 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
8081 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
8083 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
8084 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
8086 2001-02-21 Jason Merrill <jason@redhat.com>
8088 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
8089 (struct tree_decl): Add uninlinable bitfield.
8090 * c-decl.c (duplicate_decls): Set it.
8091 * integrate.c (function_cannot_inline_p): Check it.
8093 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
8094 DW_AT_MIPS_linkage_name to abstract methods.
8095 (dwarf2out_abstract_function): Emit class context before calling
8096 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
8097 (gen_subprogram_die): Remove obsolete code.
8098 (gen_member_die): Don't include clones in the member list.
8099 (gen_decl_die): Emit abstract info for clone origin.
8100 * dwarfout.c (output_type): Don't include clones in the member list.
8101 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
8102 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
8103 DECL_ABSTRACT on a function that already has it set.
8105 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
8106 (get_subprogram_die): Pass it in.
8108 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
8110 * flow.c (mark_set_1): Make not_dead unsigned long. For
8111 non-pseudos, use it as a bitmask of the hard regs that
8114 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
8116 * cppfiles.c: Update comments.
8117 (_cpp_read_file): Don't check for NULL filenames any more.
8118 * cppinit.c (cpp_start_read): Don't do canonicalization of
8119 in_fname and out_fname. Use the passed file name exclusively.
8120 (_cpp_handle_options): Don't treat "-" as a command line option,
8121 but as a normal filename.
8122 (_cpp_post_options): Canonicalize in_fname and out_fname.
8123 * cppmain.c (printer_init): Don't check out_fname for NULL.
8124 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
8125 (init_c_lex): Update, and use "" to represent stdin to CPP.
8128 2001-02-20 Will Cohen <wcohen@redhat.com>
8130 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
8131 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
8132 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
8135 2001-02-20 Stan Shebs <shebs@apple.com>
8137 * config/rs6000/rs6000.c (output_cbranch): Output branches
8138 on separate lines instead of using ';' to separate.
8140 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
8142 * cppinit.c (set_lang): Move builtin handling to...
8143 (init_builtins): ...here.
8144 (_cpp_create_reader): Move call to set_lang.
8146 2001-02-20 Mark Mitchell <mark@codesourcery.com>
8148 * stmt.c (expand_return): If an attempt is made to return the
8149 error_mar_node, treat the return like a return without a value.
8151 2001-02-19 Zack Weinberg <zackw@stanford.edu>
8153 * sibcall.c (skip_copy_to_return_value): Call
8154 identify_call_return_value here, and return orig_insn if it
8155 returns zero. Hardret and softret arguments now unnecessary.
8156 (call_ends_block_p): Don't call identify_call_return_value here.
8158 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
8160 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
8161 * ggc.h (ggc_mark_if_gcable): Delete prototype.
8163 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
8165 * pa.c (move_operand): Accept code to load the address of a
8166 symbol out of the DLT as a valid move operand.
8167 (print_operand, case 'A'): New to handle generating a DLT
8168 reference for a LO_SUM expression.
8169 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
8170 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
8172 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
8174 * README, cpp.texi, gcc.texi, version.c: Update version number to
8176 * cpp.1, gcov.1, gcc.1: Regenerate.
8178 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
8180 * cppfiles.c (stack_include_file): Generate dependencies
8181 here, and manage include_count here too.
8182 (PRINT_THIS_DEP): Delete.
8183 (_cpp_execute_include): Do not generate dependencies here,
8184 apart from the case of a missing header. Do not manage
8186 (_cpp_read_file): Leave dependency generation to
8189 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
8191 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
8192 target_cpu_default. Remove dead assignment to
8195 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
8197 * regclass.c (contains_reg_of_mode): Make global.
8198 (init_reg_sets): Remove contains_reg_of_mode; take into account
8199 CLASS_MAX_NREGS when looking for the proper mode.
8200 (dump_regclass): Dump only classes considered for the pseudo.
8201 (regclass): Use contains_reg_of_mode.
8203 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
8205 * gcc.c (do_spec_1): 'n' for printing notices.
8206 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
8208 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
8210 * reg-stack.c (next_flags_user): Use current_block->end
8211 (swap_rtx_condition): Look for next user if flags don't die;
8212 give up on CALL_INSNs; use current_block->end.
8214 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8216 * sibcall.c (call_ends_block_p): New function.
8217 (optimize_sibling_and_tail_recursive_call): Use it.
8219 2001-02-18 Kazu Hirata <kazu@hxi.com>
8221 * config/h8300/h8300.md: Update copyright.
8222 (andsi3): Do not output an extra newline character.
8224 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8226 * toplev.c (note_deferral_of_defined_inlined_function): Argument
8227 FNDECL may be unused.
8229 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
8230 follow jumps after first run.
8231 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
8232 it doesn't change any jumps.
8234 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
8236 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
8237 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
8238 (mostlyclean): Corresponding changes.
8239 * rtlanal.c (hard-reg-set.h): Include.
8240 (rtx_unstable_p): Do not treat the argument pointer specially
8241 if it is not a fixed register.
8242 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
8244 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8246 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
8247 against last real insn in basic block.
8248 Rework to avoid gotos.
8250 * Makefile.in (gcse.o): Now includes ggc.h.
8251 * gcse.c: Include ggc.h.
8252 (want_to_gcse_p): Verify expression can be in SET as valid insn.
8253 (try_replace_reg): Remove warning of uninitialize variable.
8254 (process_insert_insn): Call invalid_insn_p to validate insn.
8255 * recog.c (insn_invalid_p): Now global.
8256 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
8257 * recog.h (insn_invalid_p): New declaration.
8259 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
8261 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
8262 assignments from FP constants since 'Y' output code can't handle it.
8263 (eligible_for_sibcall_delay): Likewise.
8265 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
8266 Call fancy_abort directly, passing args.
8267 (print_rtl_and_abort): Now a macro, like fancy_abort.
8269 * final.c (output_operand_lossage): Use internal_error, not error.
8271 2001-02-18 Shane Nay <shane@agendacomputing.com>
8273 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
8274 structure shift insns.
8276 2001-02-18 Mark Mitchell <mark@codesourcery.com>
8278 * invoke.texi (-fsquangle): Remove documentation.
8279 (-fname-mangling-version): Likewise.
8281 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
8283 * optabs.c (expand_abs): Remove reference to
8284 HAVE_contitional_arithmetic.
8285 * combine.c (simplify_set): Likewise.
8287 2001-02-18 Richard Henderson <rth@redhat.com>
8289 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
8292 2001-02-18 Richard Henderson <rth@redhat.com>
8294 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
8296 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
8298 * reload1.c (reload_cse_simplify_set): Fix typo.
8300 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8302 * diagnostic.c (_fatal_insn): Decrement errorcount.
8304 * invoke.texi (-I): Add note avoiding use for system header files.
8306 * rtl.h (add_clobbers): Remove duplicate declaration.
8307 * recog.h (added_clobbers_hard_reg_p): New declaration.
8308 * genemit.c (struct clobber_pat): New field has_hard_reg.
8309 (gen_insn): Record if added clobbers clobber hard reg.
8310 (gen_split): Avoid unused warning if number of operands is 0.
8311 (output_added_clobbers_hard_reg_p): New function.
8314 2001-02-18 Alan Modra <alan@linuxcare.com.au>
8316 * pa.c (hppa_expand_prologue): Simplify code storing return
8317 pointer. For large (>=8k) frames with a post_store, adjust stack
8318 pointer by 8k-64 first rather than by 64. When testing with
8319 VAL_14_BITS_P, always use the actual value rather than the value
8320 negated. Add blockage to prevent scheduling of spills before
8321 stack frame has been created.
8322 (hppa_expand_epilogue): Simplify code loading return pointer.
8323 Allow a slightly larger range for merge_sp_adjust_with_load case.
8324 When testing with VAL_14_BITS_P, always use the actual value.
8326 * pa.c (pa_adjust_insn_length): Check that block move
8327 pattern is a set before looking at operands.
8329 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8331 * fold-const.c (fold_binary_op_with_conditional_arg): New
8332 function, split out from ...
8334 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
8335 conditional arms that throw exceptions.
8337 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
8340 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8342 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
8343 define HAVE_DECL_* to 1 to mask potential backup declarations.
8344 * configure: Regenerated.
8346 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8348 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
8350 2001-02-17 Richard Henderson <rth@redhat.com>
8352 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
8353 when replacing a memory load with a register.
8355 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8356 Jan Hubicka <jh@suse.cz>
8358 * recog.c (validate_replace_src_1): New.
8359 (validate_replace_src_data): Likewise.
8360 (validate_replace_src): Use note_uses.
8361 * rtl.h (note_uses): Declare.
8362 * rtlanal.c (note_uses): New.
8364 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
8366 * reg-stack.c (stack_def): Make field reg unsigned.
8367 (remove_regno_note): Unsignetize parameter.
8369 2001-02-16 Jes Sorensen <jes@linuxcare.com>
8371 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
8372 shladd_operand() call.
8374 2001-02-16 Bruce Korb <bkorb@gnu.org>
8375 Rodney Brown <RodneyBrown@mynd.com>
8377 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
8378 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
8379 machine restrictions
8380 * fixinc/fixincl.x: regen
8382 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8384 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
8386 (hash_scan_insn): Clean up calls to hash_scan_set.
8387 (compute_kill_rd): REGNO now unsigned.
8388 (try_replace_reg): Rework to use simplify_replace_rtx.
8389 (cprop_jump, cprop_cc0_jump): Likewise.
8390 (cprop_insn): Call find_reg_equal_equiv_note.
8391 Reflect changes to cprop_jump and cprop_cc0_jump.
8393 * recog.c (validate_replace_src): Replace in operands of
8394 ZERO_EXTRACT in SET_DEST.
8396 * cse.c (new_label_ref): New variable.
8397 (insert): Set it instead of recorded_label_ref.
8398 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
8399 CODE_LABEL for this function, and not already in REG_LABEL note.
8401 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
8403 * resource.c (mark_referenced_resources): Fix typo in introductory
8405 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
8408 2001-02-16 Jason Merrill <jason@redhat.com>
8410 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
8412 (gen_subprogram_die): Don't abort on seeing a second definition if
8413 the previous one was abstract. Don't replace an abstract instance
8414 in the lookup table.
8416 * dwarf2out.c (dwarf2out_abstract_function): Rename from
8417 gen_abstract_function.
8418 * dwarf2out.h: Declare it.
8419 * toplev.c (note_outlining_of_inline_function): New fn.
8420 * toplev.h: Declare it.
8421 * integrate.c (output_inline_function): Call it.
8422 * c-decl.c (duplicate_decls): Call it when redefining an extern
8423 inline. Don't inline the new defn.
8425 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
8427 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8429 * .gdbinit: Rename to gdbinit.in.
8430 * gdbinit.in: New file,
8431 * configure.in: Generate .gdbinit from gdbinit.in.
8432 * configure: Regenerated.
8433 * Makefile.in (distclean): Always remove .gdbinit.
8435 2001-02-16 Jakub Jelinek <jakub@redhat.com>
8437 * objc/objc-act.c (start_class): Register implemented_classes with
8440 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
8442 * cppfiles.c (_cpp_make_system_header): Generate a file
8445 2001-02-15 Jim Meyering <meyering@lucent.com>
8447 * Makefile.in (install-common): Don't depend on installdirs here.
8448 Instead, make each of the lang.install-common targets (e.g.,
8449 c++.install-common in cp/Make-lang.in) depend on it.
8450 (install-driver): Depend on installdirs.
8452 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8454 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
8456 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
8459 2001-02-15 Mark Mitchell <mark@codesourcery.com>
8461 * invoke.texi (--param): Document.
8463 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
8465 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
8467 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
8469 * i386.md (extendsfdf2_2): Fix constraints.
8471 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
8473 * i386.md (fop_df_3 splitter): Fix operand number.
8475 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
8477 * invoke.texi (-mreg-alloc): Nuke.
8478 * i386.c (ix86_reg_alloc_order, regs_allocated,
8479 order_regs_for_local_alloc): Nuke.
8480 (override_options): Kill reg_alloc code.
8481 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
8482 (REG_ALLOC_ORDER): SSE goes before I387.
8483 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
8484 (ix86_reg_alloc_order): Likewise.
8485 * i386-protos.h (ix86_reg_alloc_order): Kill.
8487 2001-02-14 Richard Henderson <rth@redhat.com>
8489 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
8491 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
8493 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
8495 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
8497 * i386-protos.h (ix86_memory_move_cost): Move offline.
8498 * i386.c (ix86_register_move_cost): Compute properly cost of
8499 SSE, MMX and i387 instructions.
8500 (*_cost): Add costs of SSE/MMX moves.
8501 (ix86_memory_move_cost): Move offline from ....; Likewise.
8502 * i386.h (MEMORY_MOVE_COST): .... here;
8503 (struct processor costs): Add new fields to represent costs
8506 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
8508 * regclass.c (init_reg_sets_1): Reinstall the optimization of
8509 move_cost together with Matt Kraai's fix.
8511 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8513 * Makefile.in (OBJS): Add params.o.
8515 2001-02-14 Richard Henderson <rth@redhat.com>
8516 DJ Delorie <dj@redhat.com>
8518 * jump.c (jump_optimize_1): When we delete a conditional jump
8519 preceeding a non-conditional jump to effectively the same place,
8520 make sure that the combined jump skips any clobber insns between
8523 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8525 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
8527 2001-02-14 Mark Mitchell <mark@codesourcery.com>
8529 * Makefile.in (toplev.o): Depend on params.h.
8530 (intergate.o): Likewise.
8531 (params.o): New target.
8532 * flags.h (inline_max_insns): Remove.
8533 * integrate.c: Include params.h.
8534 Use MAX_INLINE_INSNS instead of inline_max_insns.
8535 * params.c: New file.
8536 * params.h: Likewise.
8537 * params.def: Likewise.
8538 * toplev.c: Include params.h.
8539 (lang_independent_params): New variable.
8540 (decode_f_option): Use the param machinery instead of setting
8542 (independent_decode_option): Handle "--param name=value".
8543 (main): Register language-independent parameters.
8545 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
8547 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
8549 2001-02-14 Richard Henderson <rth@redhat.com>
8551 * regclass.c (init_reg_sets_1): Revert last two changes.
8553 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8555 * stor-layout.c (is_pending_size, put_pending_size): New functions.
8556 (variable_size): Call put_pending_size.
8557 * tree.h (is_pending_size, put_pending_size): Add prototypes.
8558 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
8559 sizes list, put newly created SAVE_EXPR there as well.
8561 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8563 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
8564 (errata_find_address_regs): load_group has only 2 entries.
8565 (errata_emit_nops): Likewise. shladd is not problematic.
8566 Clear last_group if nop was emitted.
8567 (fixup_errata): load_group has only 2 entries.
8570 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
8572 * c-lex.c (lex_number): Only warn traditionally for U suffix
8573 outside system macros.
8574 * cppexp.c (parse_number): Similarly.
8575 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
8576 * cppmacro.c (struct cpp_macro): New member node.
8577 (parse_args): Only warn about missing rest args if not
8579 (funlike_invocation_p): Similarly for uninvoked funlike macros.
8580 (cpp_sys_objmacro_p): New.
8581 (_cpp_create_definition): Store the node with the macro defn.
8582 Remember if the macro is defined in a system header.
8584 2001-02-13 DJ Delorie <dj@redhat.com>
8586 * configure.in (check_languages): determine languages to check
8587 * Makefile.in (check-c++): alias for check-g++
8588 (check-f77): alias for check-g77
8589 (CHECK_TARGETS): depend on configured languages
8591 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
8593 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8594 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8595 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8596 (sqrtextendsfdf2): Disable for SSE2.
8598 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8600 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8601 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8602 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8603 (sqrtextendsfdf2): Disable for SSE2.
8605 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
8607 * i386.md (movsfcc_1): Support integer cmove instruction.
8608 (movdfcc_1): Likewise; new splitter.
8610 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
8612 * i386.c (output_fp_compare): Support SSE.
8613 (prepare_fp_compare_args): SSE comparisons always support memory.
8614 * i386.h (TARGET_CMOVE): SSE imply cmove.
8615 * i386.md (cmp?f2): Enable for SSE too.
8616 (cmpfp_i*): Support SSE.
8618 (cmpfp_i_sse_only): New.
8619 (s*, b* fp expanters): Enable for SSE too.
8620 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
8623 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
8625 * regclass.c (init_reg_sets_1): Silence warning.
8627 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
8629 * i386.md (sqrt?f2): Change to expander.
8630 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
8632 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8634 * rtlanal.c (find_reg_equal_equiv_note): New function.
8635 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
8636 (simplify_gen_relational, simplify_replace_rtx): Likewise.
8637 * rtl.h: Add declarations for above functions.
8639 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
8641 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
8643 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
8644 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
8645 * flow.c (mark_regs_live_at_end): Likewise.
8646 (calculate_global_regs_live): Likewise.
8647 * gcse.c (compute_hash_table): Likewise.
8648 (compute_kill_rd): Likewise.
8649 * resource.c (mark_target_live_regs): Likewise.
8650 * rtl.h (INVALID_REGNUM): New macro.
8652 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
8654 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
8656 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
8658 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
8661 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
8663 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
8665 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
8666 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
8667 (fop_sf_1_sse, fop_df_1_sse): New patterns
8668 (fop_*): Disable float_extend and float patterns for SSE compilation.
8669 * i386.c (output_387_binary_op): Support SSE.
8671 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
8673 * i386.md (dummy_extendsfdf2): Support SSE2
8674 (extendsfdf2): Enable if 80387 or SSE2.
8675 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
8676 and no MIX_I387_SSE2
8677 (extendsfdf2_1_sse_only): New pattern.
8678 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
8680 (truncdfsf2_1): Support SSE.
8681 (truncdfsf2_2): Support SSE.
8682 (truncdfsf2_2_1_sse): New pattern.
8683 (fixtruncsfsi2): Always use SSE if available.
8684 (fix_truncsfsi_sse): New pattern.
8685 (fix_truncdfsi_sse): New pattern.
8686 (floatsis?f2): Support SSE.
8687 (floatsidf2_i387): New pattern.
8688 (floatsidf2_sse): Likewise.
8690 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8692 * configure.in: Use "have_gnat" variable, not "gnat".
8693 * configure: Regenerated.
8695 * config/sparc/sparc.c (function_value): Treat all non-record
8696 aggregate types like used to treat UNION_TYPE.
8698 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
8700 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
8701 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
8703 (MASK_MIX_SSE_I387): New.
8704 (TARGET_SSE): SSE2 imply SSE.
8705 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
8706 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
8707 (enum reg_class): Add new classes.
8708 (REG_CLASS_NAMES): Likewise.
8709 (REG_CLASS_CONTENTS): Likewise.
8710 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
8711 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
8712 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
8713 (CLASS_MAX_NREGS): Use new macros.
8714 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
8715 * i386.md (pushsf, movsf): Support SSE.
8716 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
8717 splitters to use ANY_FP_REGNO_P.
8718 (movdf_nointeger, movdf_integer): Likewise.
8720 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8722 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
8723 (try_combine): Use it.
8725 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
8727 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
8728 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
8729 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
8730 (REGISTER_MOVE_COST): Likewise.
8731 * i386-protos.h (ix86_secondary_memory_needed,
8732 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
8733 * i386.c (ix86_secondary_memory_needed,
8734 ix86_preferred_reload_class, ix86_register_move_cost): New function.
8736 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
8738 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
8739 (HARD_REGNO_MODE_OK): Move offline to ....
8740 * i386.c (ix86_hard_regno_mode_ok) ... here;
8741 refuse all incorrect modes.
8742 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
8744 2001-02-13 Richard Henderson <rth@redhat.com>
8746 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
8747 entire operator; replicate that and match_dup the operands.
8748 (cmp_ccx_arith_op_set): Likewise.
8749 (cmp_cc_arith_op_not_set): Likewise.
8750 (cmp_ccx_arith_op_not_set): Likewise.
8752 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8754 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
8756 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8758 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
8759 (TARGET_NO_BITFIELD_WORD): New macro.
8760 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
8761 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
8763 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8765 * cselib.c: New file, from simplify-rtx.c.
8766 * simplify-rtx.c: Remove cselib parts.
8767 * Makefile.in: Add cselib.o.
8769 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8771 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
8772 (setup_incoming_varargs): Remove warning.
8774 * config/rs6000/rs6000.c (validate_condition_mode): When
8775 flag_fast_math, allow floating-point conditionals to be reversed.
8776 (rs6000_generate_compare): When flag_fast_math, don't generate
8777 cror operations for FP conditionals.
8779 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
8781 (ASM_SPEC): Likewise.
8782 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
8783 (CC1_SPEC): Likewise.
8784 (LINK_TARGET_SPEC): Likewise.
8785 (CPP_ENDIAN_SPEC): Likewise.
8786 * Makefile.in (check-consistency): New target.
8788 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
8790 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
8791 "return type defaults" warning for functions with return type
8793 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
8794 function declarations by default rather than only when pedantic.
8796 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
8798 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
8801 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8803 * extend.texi (Deprecated): Deprecate new initializer lists.
8805 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8807 * mkdeps.c (deps_add_default_target): Robustify. Add
8808 basename component only.
8809 * cpp.texi (-M): Describe how default target is generated.
8810 * invoke.texi (-M): Likewise.
8812 2001-02-12 Kazu Hirata <kazu@hxi.com>
8814 * toplev.c (push_float_handler): Remove.
8815 (pop_float_handler): Remove.
8816 * toplev.h: Remove prototypes for the above functions.
8818 2001-02-12 Jakub Jelinek <jakub@redhat.com>
8820 * c-common.c (constant_fits_type_p): New function.
8821 (convert_and_check): Use it.
8823 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8825 * Makefile.in (GXX_ABI_FLAG): Don't define.
8826 * configure.in (--enable-new-gxx-abi): Remove option.
8827 * config.in: Regenerated.
8828 * configure: Likewise.
8830 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
8832 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
8834 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
8835 regular basic block, and arrange for all edges into it to switch
8838 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8840 * Makefile.in (distclean): Do not remove .gdbinit.
8842 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8844 * Makefile.in (gcc.o): Fix typos.
8845 (protize.o): Likewise.
8846 (unprotoize.o): Likewise.
8848 2001-02-11 Richard Henderson <rth@redhat.com>
8850 * tree.c (build1): Check for null operand in last change.
8852 2001-02-11 Richard Henderson <rth@redhat.com>
8854 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
8855 (fold): Don't assume a constant isn't foldable.
8856 * tree.c (build): Set TREE_CONSTANT for an expression with no
8857 side-effects and constant operands.
8860 2001-02-10 Richard Henderson <rth@redhat.com>
8862 * jump.c (squeeze_notes): Revert 2000-05-12 change.
8864 2001-02-10 Anthony Green <green@redhat.com>
8866 * cpp.texi (Standard Predefined): Add documentation for
8869 * c-common.c (combine_strings): Improve warning message.
8871 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
8873 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
8875 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
8877 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
8879 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
8882 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
8884 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
8887 2001-02-09 Nick Clifton <nickc@redhat.com>
8889 * config/arm/arm.md: Change output contraint on post inc
8890 load/store multiple patterns to be a read/write contraint.
8892 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
8894 * gcc.c (cpp_options): Delete .d files on error. Don't delete
8895 .o files when using the -M options.
8897 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8898 David Edelsohn <edelsohn@gnu.org>
8900 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
8901 handle DImode constants. Use one TOC entry for SImode and smaller
8902 constants, aligned properly.
8904 2001-02-08 Jason Merrill <jason@redhat.com>
8906 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
8907 about the SP adjustment for saving the static chain pointer.
8908 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
8909 offset when setting a temporary CFA register.
8911 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
8913 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
8914 powerpc-*-chorusos* .
8915 * config/rs6000/chorus.h : New file.
8916 * config/i386/chorus.h : New file.
8917 * config/sparc/chorus.h : New file.
8918 * config/sparc/t-chorus-elf : New file.
8920 2001-02-08 David Edelsohn <edelsohn@gnu.org>
8922 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
8923 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
8924 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
8925 (__WCHAR_TYPE__): Correct macro name.
8927 2001-02-08 Richard Henderson <rth@redhat.com>
8929 * config/i386/i386.c (ix86_frame_pointer_required): New.
8930 (ix86_setup_frame_addresses): New.
8931 (struct machine_funciton): Add accesses_prev_frame.
8932 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
8933 ix86_frame_pointer_required.
8934 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
8935 (SETUP_FRAME_ADDRESSES): New.
8936 * config/i386/i386-protos.h: Update.
8937 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8938 from FRAME_POINTER_REQUIRED.
8939 * config/i386/svr3gas.h: Likewise.
8940 * config/i386/sysv3.h: Likewise.
8941 * config/i386/v3gas.h: Likewise.
8943 2001-02-08 Richard Henderson <rth@redhat.com>
8945 * config/sparc/sparc.c (function_arg_record_value_3): Fix
8946 calculation of the number of integer registers required.
8947 (function_arg_record_value): Likewise.
8949 2001-02-08 Jason Merrill <jason@redhat.com>
8951 * diagnostic.c (internal_error): Say "confused" after 1 error, not
8952 two. Print file and line with "confused" message.
8954 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
8956 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8958 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
8960 2001-02-08 Bernd Schmidt <bernds@redhat.com>
8962 * final.c (cleanup_subreg_operands): The address of a MEM can
8965 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
8968 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
8970 * gcc.texi (Incompatibilities): Update documentation of
8971 preprocessing numbers.
8973 2001-02-07 Jakub Jelinek <jakub@redhat.com>
8975 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
8977 2001-02-07 Mark Mitchell <mark@codesourcery.com>
8979 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
8981 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
8982 * gcc.c (struct compiler): Add cpp_spec field.
8983 (input_file_compiler): New variable.
8984 (do_spec_1): Allow a particular compiler to handle `%C'
8986 (main): Store the current compiler in input_file_compiler.
8987 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
8989 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
8991 * cpphash.h (struct spec_nodes): Add n_true and n_false.
8992 * cppinit.c (cpp_create_reader): Initialize them.
8993 (append_include_chain): cxx_aware arg might be unused.
8994 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
8995 keywords and give them their phase 7 meaning. Pedwarn about
8996 this unless '__bool_true_false_are_defined' is defined.
8998 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9000 * lcm.c (optimize_mode_switching): Emit mode_set before the
9001 JUMP_INSN of an abnormal edge.
9003 2001-02-07 Bernd Schmidt <bernds@redhat.com>
9005 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
9006 a scheduling barrier at the end.
9008 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
9010 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9012 * config/sh/sh.md (reload_outsf): Removed.
9013 (movsf_ie): Introduce constraints for FPUL loads and stores.
9014 (reload_insf): Broaden the output constraint.
9016 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
9018 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
9019 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
9021 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
9023 * final.c: Revert my previous changes.
9024 * output.h: Make profile_label_no extern.
9025 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
9026 for generating label.
9028 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
9030 * config/i386/djgpp.h: Add comments about standard paths.
9031 (MD_EXEC_PREFIX): Undefine before defining.
9032 (MD_STARTFILE_PREFIX): New.
9034 2001-01-30 Bruce Korb <bkorb@gnu.org>
9036 fixinc/fixincl.c(process): Emit error message only if appropriate :)
9037 (load_file): do not rely on load_file_data() to close file pointer
9038 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
9039 fixinc/inclhack.def(irix_limits_const): add test_text
9041 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9043 * cppexp.c (parse_defined): Improve diagnostics for invalid
9046 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9048 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
9050 2001-02-06 Mark Mitchell <mark@codesourcery.com>
9052 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
9053 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
9054 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
9055 (rs6000_output_symbol_ref): New function.
9056 (output_toc): Use VTABLE_NAME_P.
9058 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9060 * print-tree.c (print_node, case PARM_DECL):
9061 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
9063 * stor-layout.c (reference_types_internal): New variable.
9064 (internal_reference_types): New function.
9065 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
9066 * tree.h (internal_reference_types): New declaration.
9068 * cse.c (find_best_addr): Fix typo in computing cost.
9070 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9072 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
9073 and this is the sum of a pointer and a constant, we know the result
9075 (num_sign_bit_copies, case PLUS): Likewise.
9076 * explow.c (convert_memory_address): Remove opposite SUBREG.
9077 * function.c (instantiate_new_reg): New function (from common code).
9078 (instantiate_virtual_regs_1): Call it.
9079 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
9080 if pointers sign- or zero-extend.
9081 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
9082 If pointers extend unsigned, use inside of SUBREG.
9083 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
9085 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
9087 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
9088 subdir of gcc_gxx_include_dir.
9089 (gcc_gxx_target_include_dir): Remove.
9091 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
9093 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
9094 (dwarf2out_frame_debug_expr): Revise introductory comments to add
9095 a high-level description.
9097 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
9099 * final.c: Move the declaration of profile_label_no to ...
9100 * output.h: ... here.
9101 * function.c (expand_function_start): Call PROFILE_HOOK.
9102 * config/rs6000/aix.h: Define PROFILE_HOOK.
9103 * config/rs6000/rs6000-protos.h: output_profile_hook new.
9104 * config/rs6000/rs6000.c (output_profile_hook): Define.
9105 (output_prolog): Do nothing for ABI_AIX as it is taken care by
9106 output_profile_hook.
9107 tm.texi : Explain new macro PROFILE_HOOK.
9109 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
9111 * extend.texi (Extended Asm): Do not say that semicolon is always
9112 a valid line-breaking character for GNU assemblers. Use
9113 newline-tab as the most commonly supported syntax. Use
9114 newline-tab rather than semicolon in multi-insn examples.
9116 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9118 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
9120 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9121 David Edelsohn <edelsohn@gnu.org>
9123 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
9124 code for AIX, even without flag_pic.
9126 2001-02-05 Jakub Jelinek <jakub@redhat.com>
9128 * c-typeck.c (common_type): push and pop binding level around
9129 calling common_type on function parameters.
9131 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
9133 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
9135 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9137 * config/mips/mips.c (override_options): Fix typo in last change.
9138 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
9139 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
9141 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
9143 * invoke.texi (-fdump-class-layout): Document.
9144 (-fdump-translation-unit): Use `=' as filename separator.
9146 2001-02-05 Mark Mitchell <mark@codesourcery.com>
9148 * Makefile.in (s-mlib): Don't build multilibs if
9150 (DRIVER_DEFINES): Adjust accordingly.
9152 (protoize.o): Likewise.
9153 (unprotoize.o): Likewise.
9154 * configure.in: Recognize --enable-multilib.
9156 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9158 * Makefile.in (DRIVER_DEFINES): Fix quoting.
9160 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
9161 * configure.in: Remove --enable-libstdcxx_v3 support.
9162 * configure: Regenerated.
9164 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9166 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
9167 Call abort instead of fatal.
9168 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
9169 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
9170 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
9171 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
9172 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
9173 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
9175 * diagnostic.h (set_internal_error_function): Renamed.
9176 * toplev.h (internal_error): Renamed from fatal.
9177 (pfatal_with_name): Deleted.
9178 (fatal_io_error): Now has printf-style arguments.
9179 * diagnostic.c (pfatal_with_name): Deleted.
9180 (fatal_io_error): Rework to have args in printf-style.
9181 (set_internal_error_function): Renamed from set_fatal_function.
9182 (internal_error): Renamed from fatal.
9183 (error_recursion, fancy_abort): Call internal_error instead of fatal.
9184 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
9185 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
9186 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
9187 * flow.c (verify_flow_info): Likewise.
9188 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
9189 * config/mips/mips.c (save_restore_insns): Likewise.
9191 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
9192 * flow.c (verify_flow_info): Likewise.
9193 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
9194 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
9195 (avr_normalize_condition): Likewise.
9196 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
9197 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
9198 (limit_reload_class, double_reg_to_memory): Likewise.
9199 (print_operand_address, emit_1600_code_shift): Likewise.
9200 (gen_tst_reg, gen_compare_reg): Likewise.
9201 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
9202 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
9204 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
9206 * c-parse.in (methoddef): Call fatal_error instead of fatal.
9207 * objc/objc-act.c (build_ivar_chain): Likewise.
9208 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
9210 * graph.c (clean_graph_dump_file): Likewise.
9211 * profile.c (init_branch_prob): Likewise.
9212 * objc/objc-act.c (objc_init): Likewise.
9214 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
9215 * config/avr/avr.c (avr_override_options): Likewise.
9216 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
9217 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
9218 * config/h8300/h8300.c (h8300_init_once): Likewise.
9219 * config/mips/mips.c (override_options): Likewise.
9220 * config/i386/i386.c (override_options): Likewise, rework.
9221 * config/m68k/m68k.c (override_options): Likewise.
9223 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
9225 * config/mips/mips.c (print_operand): Likewise.
9226 * hash.c (hash_allocate): Don't check for failure returns from
9227 obstack functions that can't fail.
9228 (hash_table_init_n, hash_table_init): Likewise; also now return void.
9229 * hash.h (hash_table_init_n, hash_table_init): Now return void.
9230 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
9231 (get_object_reference): Likewise.
9233 2001-02-04 Nick Clifton <nickc@redhat.com>
9235 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
9236 StrongARM1110, 10TDMI, and 1020T.
9238 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9240 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
9242 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
9244 * config/sh/sh.md (movdf load split): Pass register number to
9245 FP_OR_XD_REGISTER_P.
9247 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9249 * cppinit.c (BC): New macro.
9250 (builtin_array): Add __GXX_WEAK__.
9251 * cpplib.h (builtin_type): Add BT_WEAK.
9252 * cppmacro.c (builtin_macro): Handle BT_WEAK.
9253 * defaults.h (SUPPORTS_ONE_ONLY): Define.
9254 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
9256 2001-02-03 Jakub Jelinek <jakub@redhat.com>
9258 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
9260 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9262 * cpphash.h: Rename _ALIGN POOL_ALIGN.
9263 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9265 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9267 * cpphash.h: Rename ALIGN _ALIGN.
9268 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9270 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
9272 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
9273 compilation environment.
9274 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
9275 control over location of cygwin includes and libs.
9277 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9279 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
9281 2001-02-02 lars brinkhoff <lars@nocrew.org>
9283 * md.texi (Standard Names): remove reference to spur.md.
9285 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9287 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
9288 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
9289 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
9290 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
9291 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
9293 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9295 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
9296 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
9297 number before reload.
9298 (c4x_adjust_cost): Return zero before reload.
9299 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
9300 split before reload.
9302 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9304 * c4x.c (c4x_hard_regno_rename_ok): New.
9305 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
9306 * c4x.h (HARD_REGNO_RENAME_OK): Define.
9308 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9310 * diagnostic.h: Add missing "extern" in all declarations.
9312 2001-02-02 Alex Samuel <samuel@codesourcery.com>
9314 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
9315 as for gcc_gxx_include_dir.
9317 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
9319 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
9321 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9323 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
9324 label before alignment to be used as the braf base address.
9325 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
9327 (casesi_jump_2): Require at least TARGET_SH2.
9329 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
9330 truncation to 32-bit doubles on -m3e and -m4-single-only.
9332 2001-02-02 Mark Mitchell <mark@codesourcery.com>
9334 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
9335 the default when building a shared object.
9336 (init_spec): Use it.
9337 * testsuite/lib/g++.exp: Include the directory where libgcc
9338 is located to the LD_LIBRARY_PATH list.
9339 * invoke.texi (-shared-libgcc): Document the cases in which
9340 GCC defaults to using the shared libgcc.
9342 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9344 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
9345 unsigned is wide enough.
9347 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
9348 (si_to_float): Likewise.
9349 (float_to_si, float_to_usi): Use BITS_PER_SI.
9351 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9353 * dwarf2out.c: Added explanation of abbreviations.
9354 (def_cfa_1): Added comments listing DWARF2 instructions.
9355 (cfa_temp_reg): Removed in favor of cfa_temp.
9356 (cfa_temp_value): Removed in favor of cfa_temp.
9357 (cfa_temp): New global variable.
9358 (dwarf2out_frame_debug_expr): Added extensive introductory
9359 comments explaining the function's transformations. Revised to
9360 use cfa_temp. Added some rtx checking. Generalize IOR case.
9361 (dwarf2out_frame_debug): Revised to use cfa_temp.
9362 (output_aranges): Cast as "unsigned" to avoid warning.
9363 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
9364 explain which instructions must be marked.
9366 2001-02-01 Richard Henderson <rth@redhat.com>
9368 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
9371 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
9373 * config/sh/crt1.asm (main_k): Modified so that start calls
9374 ___setup_argv_and_call_main.
9376 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
9378 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
9379 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
9380 and AVOID_LPASTE is cleared on meeting an unescaped newline.
9381 * cppmacro.c (builtin_macro): Set builtin flags here.
9382 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
9383 (replace_args): Clarify intent.
9384 (cpp_get_token): Macro expansion tokens get the saved flags.
9386 * cppmain.c (scan_buffer): Remove now-redundant print.printed
9389 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9391 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
9394 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9396 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
9397 returns Pmode pseudo, but we need ptr_mode.
9398 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
9399 Remove bogus conversions; use HOST_WIDE_INT for size.
9400 Don't use TARGET if wrong mode.
9402 * config/i386/i386.c (ix86_compute_frame_size): Allow
9403 stack_alignment_needed to be non-default even if size is zero.
9405 2001-01-31 Alan Modra <alan@linuxcare.com.au>
9407 * pa.c (hppa_init_pic_save): New function.
9408 * pa.h (hppa_init_pic_save): Declare.
9409 * pa.md (call, call_value, sibcall, sibcall_value): Use
9410 the above instead of duplicated code.
9412 * pa.c (hppa_encode_label): Correct size of alloca buffer
9413 so we don't overrun it. Correct leading `*' case.
9414 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
9415 need to handle `*@'.
9416 (FUNCTION_NAME_P): Likewise.
9418 2001-01-31 Richard Henderson <rth@redhat.com>
9420 * config.gcc (alpha-osf5): Use float-i128.h.
9422 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
9423 * config/float-i32.h: Likewise.
9424 * config/float-i64.h: Likewise.
9425 * config/float-sh.h: Likewise.
9426 * config/float-sparc.h: Likewise.
9428 2001-01-31 DJ Delorie <dj@redhat.com>
9430 * expmed.c (extract_bit_field): allow non-integral modes if we
9431 want to extract a whole register from itself.
9433 2001-01-31 Jakub Jelinek <jakub@redhat.com>
9435 * c-typeck.c (set_init_index): If first is equal to last, assume as
9436 if it was not a range at all.
9438 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9440 * config/fp-bit.c: Include tm.h.
9441 (float_to_si): Don't assume SImode is 32-bits wide.
9442 (float_to_usi): Likewise.
9444 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
9446 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
9448 (typename): Call pending_xref_error after parsing typed_typespecs.
9449 * c-decl.c (lookup_tag): Give error immediately rather than
9450 leaving it pending if the tag of the wrong type is in the same
9452 (xref_tag): Don't pedwarn for forward declarations of enum types
9454 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
9457 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9459 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
9461 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9463 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
9464 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
9466 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9468 * cpphash.h (struct cpp_reader): New saved_flags.
9469 * cppmacro.c (cpp_get_token): Use saved_flags to remember
9470 to avoid a paste after a pasted token.
9472 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9474 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
9475 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
9476 Wtype_MIN instead of LONG_MIN.
9478 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9480 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
9482 * fixinc/fixincl.x: Regenerated.
9483 * fixinc/inclhack.def (irix_limits_const): New definition to
9484 convert "const" to "__const" in limits.h.
9486 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9488 * fixinc/genfixes (AG): Fix "autogen4" thinko.
9490 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9492 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
9493 when register dies in the insn.
9495 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9497 * diagnostic.c (fatal): Fix word wrap.
9499 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
9501 * combine.c (try_combine): Fix SUBREG setting for
9502 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
9504 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9506 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
9509 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9511 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
9513 * toplev.c (decode_W_option): Update warn_larger_than
9514 unconditionally for each processed switch.
9516 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
9518 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
9520 (hppa_expand_prologue): Delete code to save pic offset table register
9521 in the function prologue.
9522 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
9523 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
9524 table register at the beginning of the function after the prologue.
9526 2001-01-29 lars brinkhoff <lars@nocrew.org>
9528 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
9530 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
9531 Jeff Law <law@redhat.com>
9533 * pa.md (return): Revise comment for trivial return.
9534 (return_internal): Non-trivial return pattern for non-PIC code.
9535 (return_internal_pic): Non-trivial return pattern for PIC code.
9536 It uses the PIC register to ensure it is restored after
9538 (epilogue): Generate appropriate return for PIC and non-PIC code.
9540 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
9542 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
9544 2001-01-29 DJ Delorie <dj@redhat.com>
9546 * combine.c (if_then_else_cond): Pass the correct mode to
9547 operand_subword() for constants.
9549 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
9551 * config/i386/cygwin.h: Add w32api to include search. Search different
9552 directories in a cross-build environment.
9554 2001-11-29 Tim Josling <tej@melbpc.org.au>
9556 * tree.h (TYPE_STUB_DECL): Add documentation.
9558 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
9560 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
9561 (sdbout_field_types): Likwise. Fix use of host_integerp.
9563 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
9565 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
9568 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
9570 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
9571 to use flag_gnu_linker.
9573 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
9575 * cpplib.c (T_BAD_DIRECTIVE): Remove.
9576 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
9578 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
9580 * tree.c, tree.h (build_parse_node): Remove; was identical to
9582 * c-lang.c (start_cdtor), objc/objc-act.c
9583 (build_module_descriptor): Use build_nt instead of
9586 2001-01-29 Jakub Jelinek <jakub@redhat.com>
9588 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
9589 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
9590 not have any upper bits set.
9592 2001-01-29 Phil Edwards <pme@sources.redhat.com>
9594 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
9596 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9598 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
9600 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
9602 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
9603 (integer_minus_one_node): Define.
9605 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
9607 * Makefile.in (bootstrap2-lean): Fix typo.
9609 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
9611 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
9612 : Don't set fe_value.
9613 * cpplib.h (AVOID_LPASTE): New flag.
9614 (struct cpp_hashnode): Remove fe_value.
9615 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
9616 * cppmacro.c (builtin_macro): Don't set flags here.
9617 (replace_args): Set AVOID_LPASTE flag on first token of an
9618 argument, and the token following it.
9619 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
9620 macro expansion, and on the token following it. Do it for
9622 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
9624 2001-01-27 Richard Henderson <rth@redhat.com>
9626 * config/alpha/t-ieee: Remove multilibbing.
9627 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
9629 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9631 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
9633 * Makefile.in: Remove all dependencies on defaults.h.
9634 * builtins.c: Don't include defaults.h.
9635 * c-common.c: Likewise.
9636 * c-decl.c: Likewise.
9637 * c-pragma.c: Likewise.
9638 * c-typeck.c: Likewise.
9639 * combine.c: Likewise.
9641 * frame-ia64.c: Likewise.
9642 * cppexp.c: Likewise.
9643 * crtstuff.c: Likewise.
9644 * dbxout.c: Likewise.
9645 * dwarf2out.c: Likewise.
9646 * dwarfout.c: Likewise.
9647 * emit-rtl.c: Likewise.
9648 * except.c: Likewise.
9650 * final.c: Likewise.
9651 * frame-dwarf2.c: Likewise.
9652 * libgcc2.c: Likewise.
9653 * optabs.c: Likewise.
9654 * profile.c: Likewise.
9655 * sdbout.c: Likewise.
9656 * toplev.c: Likewise.
9657 * tradcif.y: Likewise.
9659 * varasm.c: Likewise.
9661 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9663 * builtins.c (expand_builtin_fputs): Use size_one_node when
9664 transforming into fwrite.
9666 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
9668 * extend.texi (Attribute Syntax): New section.
9670 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9672 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
9673 they didn't need fixing.
9675 2001-01-27 Janis Johnson <janis@us.ibm.com>
9677 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
9679 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
9680 to remove macro definitions that are duplicated from elfos.h.
9682 2001-01-27 Richard Henderson <rth@redhat.com>
9684 * config/i386/sco5gas.h: Move ...
9685 * config/usegas.h: ... here.
9686 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
9688 2001-01-27 Jakub Jelinek <jakub@redhat.com>
9690 * c-typeck.c (struct constructor_stack): Add range_stack member.
9691 (really_start_incremental_init): Clear it.
9692 (push_init_level): Save constructor_range_stack and clear it if
9693 pushing explicit braces.
9694 (pop_init_level): abort if constructor_range_stack is non-zero at
9695 explicit closing brace. Restore saved constructor_range_stack if
9698 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9700 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
9701 into register was forced into memory.
9703 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9705 * Makefile.in: Remove uses of + before $(MAKE).
9707 2001-01-26 Richard Henderson <rth@redhat.com>
9709 * stmt.c (cost_table): Remove.
9710 (COST_TABLE, cost_table_initialized): New.
9711 (estimate_case_costs): Use the later instead of the former.
9712 (balance_case_nodes): Likewise.
9714 2001-01-26 Richard Henderson <rth@redhat.com>
9716 * alias.c (objects_must_conflict_p): Read-only slots may not
9717 conflict despite having the same type.
9719 2001-01-27 Michael Hayes <mhayes@redhat.com>
9721 * loop.c (loop_giv_reduce_benefit): Copy mode size into
9723 (check_ext_dependant_givs): Initialise u_start_val and
9725 (load_mems): Make last_max_reg unsigned.
9726 (try_swap_copy_prop): Use INSN_P and initialise set.
9728 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
9730 * README.AVR : Removed.
9732 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
9734 * pa-64.h (text_section): Remove declaration.
9736 * pa.md (return_internal): Remove mode on PIC register use.
9738 2001-01-25 lars brinkhoff <lars@nocrew.org>
9740 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
9741 ASM_CLOSE_PAREN): fix typos.
9743 2001-01-25 Mark Mitchell <mark@codesourcery.com>
9745 * acconfig.h: Define `const' to the empty string if neither
9746 __STDC__ nor __cplusplus is defined.
9747 * config.in: Regenerated.
9749 2001-01-25 David Edelsohn <edelsohn@gnu.org>
9751 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
9752 * collect2.c (main): Delete importf. Add ".obj" file extension.
9753 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
9754 (aix_std_libs): Add additional AIX libraries to skip.
9755 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
9756 * config/rs6000/aix51.h: New file.
9758 2001-01-25 Michael Hayes <mhayes@redhat.com>
9760 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
9761 (loop_insn_emit_before): No longer static.
9762 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
9763 (loop_givs_rescan, load_mems): Likewise.
9764 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
9765 (maybe_eliminate_biv_1):
9766 (move_movables): Replace emit_call_insn_before with
9767 loop_call_insn_hoist.
9768 * loop.h (loop_insn_emit_before): Add.
9769 * unroll.c (copy_loop_body): Replace emit_insn_before with
9770 loop_insn_emit_before.
9772 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
9774 * diagnostic.c (fatal): Request preprocessed source.
9776 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
9778 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
9779 olddecl has argument types and newdecl has none, use the argument
9782 2001-01-24 Ulrich Drepper <drepper@redhat.com>
9784 * dwarf2out.c (prefix_of): New function. Determine longest common
9785 prefix of the two arguments. The units are whole path components.
9786 (output_file_names): When adding a new directory find the one entry
9787 with the longest common prefix already in the list. Artificially
9788 generate entry if there is none for this prefix.
9789 Fix test to check whether the zeroth directory entry is used.
9791 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
9793 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
9794 Changed all callers. Take it into account when deciding if a
9795 previously loaded value matches.
9797 2001-01-24 Richard Henderson <rth@redhat.com>
9799 * reload.c (find_reloads_subreg_address): Fail the substitution
9800 if the resulting address is insufficiently aligned.
9802 2001-01-24 DJ Delorie <dj@redhat.com>
9804 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
9805 check the original operand's mode also.
9806 * simplify-rtx.c (simplify_ternary_operation): Ditto.
9808 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9810 * c-parse.in (cast_expr): Move compound literals from here ...
9811 (primary): ... to here. Use standard terminology "compound
9812 literal" instead of "constructor expression".
9814 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9816 * gcc.1, cpp.1: Regenerate.
9818 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
9820 * calls.c (emit_library_call_value_1): Memory slot for
9821 pass-by-reference argument should have the mode of the argument,
9822 not of the pointer to it.
9824 2001-01-24 Tom Tromey <tromey@redhat.com>
9826 * gcc.texi (G++ and GCC): Mention gcj manual.
9827 (Standards): Link to section of manual mentioning gcj/Java
9830 2001-01-24 Jakub Jelinek <jakub@redhat.com>
9832 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
9833 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
9834 * tradcpp.c (main): Add -imacros or -include'd dependencies
9836 * cpp.texi (-M, -MM): Document -M -include behaviour.
9838 2001-01-24 Roger Collins <roger@ProProject.com>
9840 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
9842 2001-01-24 Will Cohen <wcohen@redhat.com>
9844 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
9845 whether registers are 32 bits or 64 bits in size.
9847 2001-01-24 Ben Elliston <bje@redhat.com>
9849 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
9851 2001-01-24 Richard Henderson <rth@redhat.com>
9853 * config/alpha/alpha.md (builtin_longjmp_internal): New.
9854 (builtin_longjmp): Use it instead of emit_indirect_jump.
9856 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
9858 * bb-reorder.c (make_reorder_chain_1): Handle case where
9859 jump edge goes to the same block as the fallthru edge.
9861 2001-01-23 Jim Wilson <wilson@redhat.com>
9863 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9864 * frame.h (__ia64_personality_v1): Add prototype.
9865 * libgcc2.c (ia64_throw_helper): Change personality declaration to
9866 prototype form. Add void * cast to first argument to personality
9868 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
9869 (asctoe113): Likewise.
9870 * config/ia64/frame-ia64.c: Include eh-common.h.
9871 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
9873 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
9875 (itanium_split_issue): Add prototype.
9876 (gen_nop_type): Ifdef out.
9877 (find_best_packet): Initialize best_packet.
9878 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
9880 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
9881 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
9882 (flushrs): Add explicit stop bit at end.
9883 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
9886 2001-01-23 Chris Demetriou <cgd@broadcom.com>
9888 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
9890 * libgcc2.c (__terminate_func): Make variable static.
9891 (__terminate_set_func): New function to set __terminate_func.
9892 * libgcc2.h (__terminate_func_ptr): New typedef.
9893 (__terminate_set_func): New function.
9895 2001-01-23 Richard Henderson <rth@redhat.com>
9897 * flow.c (init_propagate_block_info): Don't consider unchanging
9898 memories for dead frame store elimination.
9900 2001-01-23 Richard Henderson <rth@redhat.com>
9902 * varasm.c (UNIQUE_SECTION): Move default implementation ...
9903 * defaults.h: ... here.
9905 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9907 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
9909 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
9911 * c-lex.c (lex_charconst): Fix typo: s/p/str.
9913 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9915 * rs6000.h (rs6000_return_addr): Move prototype from here...
9916 * rs6000-protos.h (rs6000_return_addr): ...to here.
9917 (rs6000_init_expanders): Delete prototype.
9919 2001-01-23 Nick Clifton <nickc@redhat.com>
9921 * invoke.texi: Replace , with \, inside @gccoptlist macros.
9922 (Spec Files): Document %B and %j and %. and %v3 and %M and
9923 %{S*&T} spec switches.
9925 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9927 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
9929 2001-01-23 Chris Demetriou <cgd@sibyte.com>
9930 Neil Booth <neil@daikokuya.demon.co.uk>
9932 * cpperror.c: Merge handlers of PEDWARN and WARNING.
9933 Have -Werror make pedantic warnings errors, like the
9936 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9938 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
9940 2001-01-23 Jakub Jelinek <jakub@redhat.com>
9942 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
9943 * integrate.c (expand_inline_function): Initialize them.
9944 (subst_constants): If changing COMPARE so that both its arguments
9945 will be VOIDmode and the comparison mode will be lost, note
9946 compare_mode. Use the recorded compare_mode to optimize
9949 2001-01-23 Jason Merrill <jason@redhat.com>
9951 * dwarf2out.c (new_die): Use xcalloc.
9952 (output_die): Abort rather than emit a local reference to offset 0.
9954 2001-01-17 Andrew Haley <aph@redhat.com>
9956 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
9957 of a saved register; return NULL instead.
9958 (copy_reg): Take a pointer to a source register rather than a
9960 (next_stack_level): Remember the address in the stack frame of all
9962 Use the saved register pointer array as the source of the CFA.
9963 (throw_helper): Rewrite. Unwind once rather than twice and keep
9964 track of saved registers as we go.
9966 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9968 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
9969 * c4x.c (c4x_legitimize_reload_address): Remove.
9970 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
9971 reload address for ldp(k) insn.
9973 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
9975 * pa.md (return_internal): Add a USE of the PIC register to ensure
9976 it is restored after each call.
9977 (return expander): Corresponding changes.
9979 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9981 * rs6000.h (INIT_EXPANDERS): Delete.
9982 (RETURN_ADDR_RTX): Call rs6000_return_addr().
9983 * rs6000.c (rs6000_override_options): Call *_machine_status from
9985 (rs6000_init_expanders): ...instead of here. Delete.
9986 (rs6000_mark_machine_status): New function.
9987 (rs6000_init_machine_status): Use xcalloc.
9988 (rs6000_return_addr): Generate RTX for the return address.
9989 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
9990 (rs6000_stack_info): Use it.
9992 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
9994 * gthr-win32.h: Include errno.h to get a declaration for
9995 EINVAL and _mingw.h if the target is mingw32.
9997 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9999 * cpp.texi: Correct typos.
10001 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10003 * explow.c (probe_stack_range): Ensure value passed to
10004 stack_check_libfunc is ptr_mode, not Pmode.
10006 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
10008 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
10009 case, don't use operand_subword to calculate a SUBREG that is
10012 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
10014 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10016 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
10017 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
10018 valid. If not replace it by equivalent insns.
10020 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10022 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
10023 contains SYMBOL_REF, LABEL_REF and CONST_INT.
10024 (c4x_U_constraint, symbolic_address_operand): Likewise.
10025 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
10027 (c4x_r11_set_p, c4x_check_laj_p): New functions.
10028 * c4x-protos.h (c4x_check_laj_p): Add prototype.
10029 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
10030 anulling slot because of silicon bug.
10031 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
10033 2001-01-22 Alan Modra <alan@linuxcare.com.au>
10035 * cppexp.c (parse_charconst): Change `mask' type to agree
10038 2001-01-21 Richard Henderson <rth@redhat.com>
10040 * config/i386/i386.c (ix86_asm_file_end): Disable putting
10041 pic_label_name in a linkonce section.
10043 2001-01-17 Philipp Thomas <pthomas@suse.de>
10045 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
10047 * configure: Regenerate.
10049 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
10051 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
10052 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
10054 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
10056 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
10057 If REVERSE nonzero then condition code in X must be reversed.
10058 (encode_section_info): Optimise if/else.
10059 (avr_function_value): Fix formatting.
10061 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
10062 (difficult_branch): Likewise.
10063 (rvbranch): Likewise.
10064 (difficult_rvbranch): Likewise.
10066 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
10068 * config/avr/libgcc.S: Fix comment.
10070 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10072 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
10074 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10076 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
10078 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10080 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
10081 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
10082 * configure, config.in: Regenerate.
10083 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
10084 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
10085 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
10086 (doprint.o): New rule.
10088 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
10090 * c-typeck.c (digest_init): Handle boolean types as scalars.
10092 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10094 * stmt.c (expand_return): Don't return anything if size is zero.
10095 Delete redundant assignment to BYTES.
10096 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
10098 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
10100 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
10101 the same as the default library function names.
10102 * config/avr/avr.md: Document special characters after '%'.
10103 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
10104 knowing which of the call-used registers are really clobbered.
10105 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
10106 New. Both quotient and remainder from one libgcc.S call.
10107 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
10108 clobber as few registers as possible.
10109 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
10111 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
10113 * cppmacro.c (funlike_invocation_p): Don't move back up to the
10114 context of the top of the stack.
10116 2001-01-20 Jakub Jelinek <jakub@redhat.com>
10118 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
10119 (fixup_var_refs_insns): ...here.
10121 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
10123 * function.c (fixup_var_refs_insns): Break up into
10124 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
10125 [loop over entire insn list], and fixup_var_refs_insns_with_hash
10126 [loop over hash table entries].
10127 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
10128 fixup_var_refs_insns_with_hash, to match above changes.
10130 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
10132 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
10133 (libgcc.a): Likewise.
10134 (stmp-multilib): Likewise.
10135 (STAGE2_FLAGS_TO_PASS): Likewise.
10137 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
10139 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
10140 temporary if no_new_pseudos.
10142 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
10144 * cppinternals.texi: Update.
10146 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
10148 * arm.c (arm_init_builtins): Re-enable builtins.
10150 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10152 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
10153 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
10154 element to be null, and always expect an EXPR_LIST.
10155 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
10156 * sched-deps.c (sched_analyze_1): Likewise.
10157 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10159 * regclass.c (max_set_parallel): New variable.
10160 (reg_scan): Take it into account in computation of max_parallel.
10161 (reg_scan_mark_refs, case SET): Compute it.
10163 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
10165 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
10166 * function.c (assign_parms): Use INTVAL for a CONST_INT.
10168 2001-01-19 Jason Merrill <jason@redhat.com>
10170 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
10171 for the abstract instance of an inline function.
10173 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
10174 J"orn Rennecke <amylaar@redhat.com>
10176 * reload1.c (move2add_note_store): Treat all registers directly or
10177 indirectly derived from a base register as members of the same set
10179 (reload_cse_move2add): Adjust accordingly. Take mode and offset
10180 of base register into account.
10182 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
10184 * alias.c (find_base_value): Recognize TRUNCATE.
10185 (record_set): In PLUS case, invalidate if other summand is also a
10188 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10190 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
10191 entry to be EXPR_LIST.
10192 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
10193 be an EXPR_LIST (but not null, which other code doesn't allow).
10194 (note_stores): Properly handle PARALLEL in SET.
10195 Recursively call for top-level PARALLEL.
10196 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
10197 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10199 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
10201 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
10203 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
10204 not pfile->skipping (== 0).
10206 2001-01-17 Nick Clifton <nickc@redhat.com>
10208 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
10211 2001-01-17 Jim Wilson <wilson@redhat.com>
10213 * invoke.texi (IA-64 options): Improve.
10215 2001-01-17 Tom Tromey <tromey@redhat.com>
10217 * invoke.texi (Optimize Options): Use `{}' to around @samp
10220 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
10222 * invoke.texi (-fno-guess-branch-probability): New option.
10224 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10226 * combine.c (try_combine): Don't set i3_subst_into_i2 for
10227 case of making new double-word constant.
10228 Revert last change: instead just test i3_subst_into_i2.
10230 2001-01-17 Jakub Jelinek <jakub@redhat.com>
10232 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
10233 Use q constraints instead of r.
10235 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
10237 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
10238 (machine_function): Define.
10239 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
10240 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
10241 pa_free_machine_status): New functions.
10242 (override_options): Set {init,mark,free}_machine_status to above.
10243 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10244 PIC_OFFSET_TABLE_REGNUM_SAVED.
10245 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10246 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
10247 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
10248 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
10249 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10251 2001-01-15 DJ Delorie <dj@redhat.com>
10253 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
10257 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10259 * flow.c (propagate_one_insn): Make trying to delete a prologue
10260 or epilogue insn an ICE, not a warning. Allow doing this if
10261 the current function returns with stack pointer depressed.
10263 * combine.c (try_combine): If i3_subst_into_i2, properly check for
10264 I3 having more than one SET.
10266 2001-01-16 Jim Wilson <wilson@redhat.com>
10268 * invoke.texi: Document IA-64 options.
10270 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
10271 (fixup_errata): Delete TARGET_A_STEP use.
10272 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
10273 (TARGET_SWITCHES): Delete -ma-step option.
10274 * config/ia64/ia64.md (all FP patterns): Delete %B0.
10275 (movqicc_astep, movqi_internal_astep, movhicc_astep,
10276 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
10277 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
10278 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
10279 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
10281 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
10282 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
10283 cmovsi_internal): Delete ! TARGET_A_STEP check.
10285 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10287 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
10288 possibility to report bugs via postal mail. Change a URL and
10289 merge in a nearly duplicate statement...
10290 (Bug Reporting): ...from here.
10291 (Service): Refer to the Bug Reporting section instead of
10292 duplicating an URL.
10293 (Contributing): Remove trivial explanations concerning snapshots.
10295 2001-01-16 Alan Modra <alan@linuxcare.com.au>
10297 * cppmain.c (general_init): Don't use ANSI prototype.
10299 2001-01-16 Tom Tromey <tromey@redhat.com>
10301 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
10303 2001-01-16 Richard Henderson <rth@redhat.com>
10305 * config/i386/i386.h: Fix comment typo.
10306 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
10307 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
10309 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10311 * gcc.c: Revert previous -fsyntax-only-related change; move
10314 2001-01-16 Jakub Jelinek <jakub@redhat.com>
10316 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
10317 inmode after checking GET_CODE (op).
10319 2001-01-16 Richard Henderson <rth@redhat.com>
10321 * flow.c (struct propagate_block_info): Add mem_set_list_len.
10322 (MAX_MEM_SET_LIST_LEN): New.
10323 (propagate_one_insn): Update mem_set_list_len.
10324 (invalidate_mems_from_autoinc): Likewise.
10325 (invalidate_mems_from_set): Likewise.
10326 (mark_used_regs): Likewise.
10327 (init_propagate_block_info): Likewise. Stop collecting memories
10328 when we reach MAX_MEM_SET_LIST_LEN.
10329 (mark_set_1): Likewise.
10331 2001-01-16 Richard Henderson <rth@redhat.com>
10333 * unroll.c (precondition_loop_p): Fail if no iteration
10336 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10338 * gcc.c: When -fsyntax-only is given, do not complain about
10341 2001-01-15 Richard Henderson <rth@redhat.com>
10343 * config/i386/i386.c (asm_output_function_prefix): Remove.
10344 (ix86_asm_file_end): New.
10345 (load_pic_register): Generate pic_label_name into a
10346 staticly allocated buffer.
10347 * config/i386/i386-protos.h: Update.
10348 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
10349 (ASM_FILE_END): New.
10350 * config/i386/i386afe.h: New file.
10351 * config.gcc (i?86-*-elf) [tm_file]: Use it.
10352 (i?86-*-{freebsd,linux*,moss*}): Likewise.
10353 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
10354 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
10355 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
10356 * config/i386/sco5.h (ASM_FILE_END): Likewise.
10357 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
10359 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
10361 * Makefile.in (install-man): Remove explicit dependency on
10364 * configure.in, configure: Revert previous patch requiring perl
10367 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
10369 * toplev.c (flag_guess_branch_prob): New.
10370 (f_options): Add guess-branch-probability option.
10371 (rest_of_decl_compilation): Only estimate branch probability if
10373 (main): set flag_guess_branch_prob.
10375 * flags.h (flag_guess_branch_prob): New.
10377 2001-01-15 DJ Delorie <dj@redhat.com>
10379 * gcc.texi (Makefile): Add documentation for Makefile targets.
10381 2001-01-15 Philip Blundell <philb@gnu.org>
10383 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
10385 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
10386 (is_pic): Delete declaration.
10387 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
10388 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
10389 * config/arm/arm.md (builtin_setjmp_receiver): New.
10391 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10393 * arm.c (use_return_insn): Don't try to determine the function type
10394 until after reload has completed.
10395 (arm_output_epilogue): Don't adjust the sp value recovered from the
10397 (emit_multi_reg_push): Don't record dwarf information for the pc.
10398 * arm.md (eh_epilogue): The function type may have changed, so it
10399 needs to be recalculated.
10400 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
10401 unwind tables on arm/netbsd.
10403 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10405 * arm.md (cbranchsi4): Correct calculation of branch ranges.
10406 (negated_cbranchsi4): Likewise.
10408 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10410 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
10411 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10412 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
10413 pass -mapcs-* options to assembler.
10414 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
10415 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10416 (ASM_SPEC): Call subtarget_extra_asm_spec.
10418 2001-01-15 Andreas Jaeger <aj@suse.de>
10420 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
10422 (ix86_expand_builtin): Likewise.
10424 * gencodes.c (output_predicate_decls): Make i size_t to avoid
10425 warning about comparison between signed and unsigned.
10427 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10429 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
10431 2001-01-14 Ralf Baechle <ralf@gnu.org>
10433 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
10434 SUBTARGET_CPP_SPEC apropriatly.
10436 2001-01-12 Mark Mitchell <mark@codesourcery.com>
10438 * varasm.c (make_decl_rtl): Fix typo in last change.
10440 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
10442 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
10443 linker supports the init_priority C++ attribute.
10444 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
10445 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
10446 linker does not support init_priority C++ attribute.
10448 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
10450 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
10452 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10454 * c-parse.in (finish_parse): Add comment about cpp_destroy.
10455 * cp/lex.c (finish_parse): Similarly.
10456 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
10457 Return the number of errors encountered.
10458 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
10459 * cppmain.c (main): Don't call cpp_destroy.
10461 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
10463 * configure.in: Require at least perl 5.6.0 to regenerate
10465 * configure: Regenerate.
10467 2001-01-14 Richard Henderson <rth@redhat.com>
10469 * genrecog.c (DT_veclen_ge): New.
10470 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
10471 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
10472 (nodes_identical_1): Handle DT_veclen_ge.
10473 (write_cond, debug_decision_2): Likewise.
10475 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10477 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
10479 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
10481 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10483 * cppmain.c (do_preprocessing): New function; most of the old
10485 (main): Call it to do most of the work.
10486 (cb): Move from global scope to set_callbacks ().
10487 (setup_callbacks): Get the callback pointer.
10488 (general_init, printer_init): Clean up code and comments.
10490 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10492 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
10495 2001-01-14 Kazu Hirata <kazu@hxi.com>
10497 * config/h8300/h8300.c (get_shift_alg): Update comments.
10499 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10501 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
10502 (alloc_page, ggc_alloc): Add casts to remove warnings.
10504 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10506 * combine.c (simplify_comparison): Don't change `code' when
10507 can't reverse comparison.
10509 2001-01-14 Richard Henderson <rth@redhat.com>
10511 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
10512 update all call sites. Return true for all non-label constants.
10514 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
10516 * i386.c (ix86_expand_compare): Add bypass_test and second_test
10518 (ix86_expand_branch): Update.
10519 (ix86_expand_setcc): Update to handle multiple test conditions.
10520 (expand_int_movcc): Likewise.
10521 (expand_fp_movcc): Likewise.
10522 * i386-protos.h (ix86_expand_compare): New.
10523 * i386.md (andqi_?_slp, orqi_?_slp): New.
10524 (conditional trap expander): Update call to ix86_expand_compare.
10526 2001-01-14 Richard Henderson <rth@redhat.com>
10528 * config/vax/vax.md: Use nonimmediate_operand instead of
10529 general_operand in destinations.
10531 * config/vax/vax.md (indirect_jump): Use register_operand.
10533 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
10534 * config/vax/vax.md (call_pop): Turn into an expander.
10535 (call_value_pop): Likewise.
10536 (call, call_value): New.
10538 2001-01-14 Andreas Jaeger <aj@suse.de>
10540 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
10542 (ix86_fp_compare_mode): Add unused attribute.
10543 (ix86_expand_fp_movcc): Remove unused variable.
10544 (ix86_expand_builtin): Make fcode unsigned.
10546 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
10547 (expand_expr): Add cast to avoid signed warning.
10548 (store_field): Likewise.
10549 (store_constructor_field): Likewise.
10550 (store_constructor): Likewise.
10551 (store_expr): Likewise.
10552 (clear_storage): Likewise.
10553 (emit_group_store): Likewise.
10554 (emit_group_load): Likewise.
10556 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10558 * c-common.c: Move format checking code to ...
10559 * c-format.c: ... here. New file. Reorder some functions and
10561 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
10563 * c-common.h (decl_handle_format_attribute,
10564 decl_handle_format_arg_attribute): Declare.
10565 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
10566 (c-common.o): Adjust dependencies.
10567 (c-format.o): New list of dependencies.
10569 2001-01-13 Jakub Jelinek <jakub@redhat.com>
10571 * unroll.c (loop_iterations): If we cannot prove iteration variable
10572 is set once in each iteration, punt.
10574 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
10576 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
10577 (*strlenhi): Remove clobber (which was buggy) of output address.
10579 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10581 * Makefile.in (generated-manpages): Add gcc.1
10582 ($(srcdir)/gcc.1): New target.
10583 (maintainer-clean): Delete $(srcdir)/gcc.1.
10584 * gcc.texi: Add macros @gccoptlist and @gol.
10585 * invoke.texi: Include option summary in manpage. Mark up option
10586 summary with @gccoptlist and @gol. Use @r in one place where
10588 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
10589 * gcc.1: Generate from invoke.texi.
10591 2001-01-13 Richard Henderson <rth@redhat.com>
10593 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
10594 (struct page_entry): Add group member.
10595 (struct page_group): New.
10596 (struct globals): Add page_groups member.
10597 (alloc_anon): Only define for using mmap; remove valloc call.
10598 (page_group_index): New.
10599 (set_page_group_in_use): New.
10600 (clear_page_group_in_use): New.
10601 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
10602 (free_page, release_pages): Likewise.
10603 * configure.in (with-gc): Default to ggc-page always.
10605 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10607 * reload1.c (replace_pseudos_in_call_usage): Use
10608 reg_equiv_constant and reg_equiv_address, and don't try
10609 regno_reg_rtx first.
10611 2001-01-13 Richard Henderson <rth@redhat.com>
10613 * ggc-page.c (alloc_page): Round up allocation size to one page.
10614 Set e->order on extra pages.
10616 2001-01-13 Richard Henderson <rth@redhat.com>
10618 * genrecog.c (nodes_identical): Expand commentary.
10619 (write_switch): Watch out for identical nodes.
10621 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10623 * cppfiles.c (_cpp_fake_include): New function.
10624 * cpphash.h (_cpp_fake_include): New.
10625 * cpplib.c (do_line): Call _cpp_fake_include when entering
10626 header files in preprocessed input.
10627 * cppmain.c (cb_pragma_implementation): Remove handling.
10628 (setup_callbacks): Don't register pragmas.
10630 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10632 * extend.texi: Udate for CPP.
10634 2001-01-13 Andreas Jaeger <aj@suse.de>
10636 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
10638 * regmove.c: Add prototype for replace_in_call_usage.
10640 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10642 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
10643 struct cpp_chunk, struct htab, struct toklist,
10644 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
10645 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
10646 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
10647 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
10648 (struct macro_args): Delete.
10649 * cpphash.h: See above.
10651 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10653 * cppmain.c (struct printer): Remove no_line_dirs.
10654 (options, cb): New.
10655 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
10656 : Use options rather than CPP_OPTION.
10657 (setup_callbacks): Use cb rather than pfile->cb.
10658 (main): No need to check for a buffer. Use cpp_errors.
10659 (printer_init): Don't set no_line_dirs.
10660 (maybe_print_line): Use options not no_line_dirs.
10661 (cb_file_change): Don't call print_line if -P.
10663 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10665 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
10667 * c-parse.in (finish_parse): Use cpp_errors.
10668 (__yylex): Use return value of cpp_pop_buffer.
10669 * cp/lex.c (finish_parse): Use cpp_errors.
10670 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
10672 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
10674 * README.AVR: URLs corrected.
10676 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10678 * c-decl.c (start_function): Don't warn if old prototype is builtin
10679 that's not in C's namespace.
10680 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
10681 (_bb): Add prototype for ctime.
10682 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
10684 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
10686 * i386.c (ix86_fp_comparison_arithmetics_cost,
10687 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
10688 ix86_fp_comparison_cost): New functions.
10689 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
10690 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
10691 two-branch sequences; make static.
10692 (ix86_use_fcomi_compare): Do decision according to the costs.
10693 (split_fp_branch): New.
10694 * i386.md (compare-and-branch patterns): Use split_fp_branch.
10695 * i386-protos.h (ix86_expand_fp_compare): Remove
10696 (ix86_split_fp_branch): Declare.
10698 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
10699 and ix86_comparison_operator.
10701 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
10702 to make it cheaper.
10704 * i386.c (put_condition_code): Output properly the unordered/ordered
10705 compares in fp case.
10706 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
10708 * tm.texi (REVERSE_CONDITION): Document.
10709 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
10710 in -ffast-math mode.
10711 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
10713 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10715 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
10717 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
10720 * config/sh/sh.c (mova_p): Fix test for mova_const.
10722 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10724 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
10725 cpp_get_options rather than dereferencing pfile and using
10727 * scan-decls.c (scan_decls): Use return value of
10728 cpp_pop_buffer rather than CPP_BUFFER.
10730 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10732 * cppinit.c (cpp_handle_option): help_only is now part of the
10733 cpp_options structure.
10734 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
10735 cpp_set_callbacks): New functions.
10736 * cpplib.h (cpp_callbacks): Break out as a named structure.
10737 (cpp_options): Move help_only here from cpp_reader.
10738 (CPP_FATAL_ERRORS): Update to use cpp_errors.
10739 (cpp_errors, cpp_get_options, cpp_get_callbacks,
10740 cpp_set_callbacks): New prototypes.
10741 * cppmain.c (main): Update for help_only.
10743 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10745 * Makefile.in (info, maintainer-clean, install-info, uninstall):
10746 Also build and remove and install and uninstall c-tree.info and
10748 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
10749 ($(srcdir)/cppinternals.info): New target.
10750 * c-tree.texi: Change file name used when makeinfo used without -o
10751 from ir.info to c-tree.info. Add info directory entry.
10752 * cppinternals.texi: Add info directory entry.
10753 * .cvsignore: Update.
10755 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10757 * c-typeck.c (store_init_value): Don't require constant initializer
10758 elements with -pedantic -std=c99.
10759 (digest_init): Change error about non-constant initializer elements
10761 (constructor_range_end): Remove.
10762 (constructor_incremental, designator_depth,
10763 designator_errorneous): New variables.
10764 (struct constructor_stack): Remove range_end, add incremental.
10765 (struct constructor_range_stack, constructor_range_stack): New.
10766 (struct initializer_stack): Add constructor_range_stack.
10767 (finish_init): Set it.
10768 (start_init): Likewise. require_constant_elements for non-static
10769 trees only if not flag_isoc99.
10770 (really_start_incremental_init): Remove constructor_range_end, add
10771 constructor_incremental.
10772 (pop_init_level): Likewise.
10773 (push_init_level): Likewise. If implicit and the subobject had some
10774 value set already, preinitialize the level with it.
10775 Warn about missing braces only if not pushing due to designators.
10776 (set_designator, push_range_stack): New functions.
10777 (set_init_label): Use them.
10778 (set_init_index): Likewise. Remove constructor_range_end.
10779 Error if designator index is outside of array bounds.
10780 (add_pending_init): Compare values of purpose index trees, not the
10781 trees themselves. Allow overwriting of already initialized element.
10782 Issue a warning if it had side-effects.
10783 (set_nonincremental_init, set_nonincremental_init_from_string): New
10785 (pending_init_member): Rename to...
10786 (find_init_member): ...this function. Call set_nonincremental_init
10787 if necessary. Compare values of purpose index trees, not the trees
10788 themselves. Return the actual value, not just non-zero if something
10790 (output_init_element): Remove checks for duplicates.
10791 If field has zero size, only check the initializer for correctness.
10792 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
10793 if constructor_incremental is zero. Change error about initializers
10794 not computable at load time into pedwarn.
10795 (output_pending_init_elements): Compare bit positions, not
10796 FIELD_DECLs to take into account zero-sized fields.
10797 (process_init_element): Use constructor_range_stack to fill all
10798 ranges in the designator lists from current level up.
10799 * extend.texi: Update documentation for labeled elements.
10801 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
10803 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
10804 to function usage for arguments passed by reference. Optimize
10805 callee-copied arguments.
10806 * regmove.c (replace_in_call_usage): New function.
10807 (fixup_match_1): Call it.
10808 * cse.c (cse_insn): Canonicalize registers in function usage.
10809 * reload1.c (replace_pseudos_in_call_usage): New function.
10812 * Makefile.in: Reverted yesterday's wrong patch. Installed the
10815 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10817 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
10820 2001-01-12 DJ Delorie <dj@redhat.com>
10822 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
10823 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
10826 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10828 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
10829 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
10830 -std options alongside references to -ansi. Update some
10831 documentation for C99.
10832 * cpp.1: Regenerate.
10834 2001-01-12 Andreas Jaeger <aj@suse.de>
10836 * haifa-sched.c (restore_line_notes): Remove argument block B
10838 * sched-ebb.c (schedule_ebb): Change caller.
10839 * sched-rgn.c (schedule_region): Likewise.
10840 * sched-int.h (restore_line_notes): Adjust prototype.
10842 * loop.h: Remove wrong declaration of doloop_condition_get.
10844 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10846 * extend.texi: Move C++-extension-related node from the C section
10847 into the C++ section.
10849 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10851 * extend.texi: Refer to an array of pointers to functions instead
10852 of one of functions.
10854 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
10855 Jan Hubicka <jh@suse.cz>
10857 * combine.c (reversed_comparison): Fix typo in last patch.
10859 (combine_reversed_comparison_code): Make static to follow
10860 prototype declaration.
10862 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10864 * install.texi: Remove misplaced duplicate entry.
10866 2001-01-11 Ulrich Drepper <drepper@redhat.com>
10868 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
10870 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
10872 * final.c: (leaf_function_p): Fix typo.
10874 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
10876 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
10877 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10879 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
10880 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
10881 mmap_anon, and valloc is available.
10882 * ggc-page.c: Restructure ifdef logic to match new autoconf
10883 spec. Don't throw away the test page in init_ggc.
10885 * configure, config.in: Regenerate.
10887 2001-01-12 Michael Hayes <mhayes@redhat.com>
10889 * loop.h (total_biv_increment): Constify iv_class pointer.
10890 (struct induction): Replace `mem_mode' with `mem' rtx.
10891 * unroll.c (total_biv_increment): Constify iv_class pointer.
10892 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
10893 (find_mem_givs, combine_givs_p): Likewise.
10894 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
10896 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
10898 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
10900 (__gthread_getspecific): Ditto.
10902 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
10904 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
10905 put_condition_code): Convert fp comparison codes to integer
10907 (ix86_expand_fp_compare): Postnote the fp comparison code converison
10910 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
10911 * i386-protos.h (no_comparison_operator): Kill.
10913 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
10915 * combine.c (REVERSIBLE_CC_MODE): Remove.
10916 (reversible_comparison_p): Remove.
10917 (combine_reversed_comparison_code): New.
10918 (reversed_comparison): New.
10919 (combine_simplify_rtx): Use
10920 combine_reversed_comparison_code/reversed_comparison instead
10921 of reversible_comparison_p.
10922 (simplify_if_then_else): Likewise.
10923 (simplify_set): Likewise.
10924 (simplify_logical): Likewise.
10925 (if_then_else_cond): Likewise.
10926 (known_cond): Likewise.
10927 (simplify_comparison): Likewise.
10929 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
10931 * builtins.c (std_expand_builtin_va_start): Handle varargs when
10932 sizeof (int) is larger than sizeof(__word__).
10934 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10936 * cppinit.c (do_includes): Fix typo.
10938 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10940 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
10941 in S_REGS does not occur because not all sources are possible
10942 when a S_REGS is a destination (sometimes needs a clobber).
10943 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
10944 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
10945 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
10946 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
10947 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
10948 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
10949 (lshrdi_const1, lshrsi3_const16): Likewise.
10950 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
10951 (*movhi_68hc12, *movqi_68hc12): Likewise.
10952 (movstrictqi): Make sure reloading in D_REGS as a destination
10955 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10957 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10959 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10961 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
10962 -D, -U and -A, and don't initialize the builtins.
10963 (do_includes): Error if -include or -imacros with -fpreprocessed.
10964 * cppmain.c (cb_define, cb_undef): Unconditionally process
10966 * tradcpp.c (main): Fix typo.
10968 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
10970 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
10971 (read_name_map): Use IS_ABSOLUTE_PATH.
10972 * tradcpp.c (get_filename): Likewise.
10974 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10976 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
10977 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
10978 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
10979 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
10980 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
10981 (cmphi_z_used): Don't use '@' for the output.
10982 (tstqi_z_used): Likewise.
10983 (cmpqi_z_used): Likewise.
10984 (one_cmplsi2): Likewise.
10986 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10988 * config/sh/sh.c (barrier_align): Recognize branch around far
10989 branch and redundant insn.
10991 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10993 * invoke.texi: Restore documentation of the drivers' switches -MD
10996 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10998 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
11000 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
11001 check-objc//%): Support parallel testing of multilibs.
11002 (TESTSUITEDIR): Set to testsuite by default, but override for
11004 (check-gcc, check-g++, check-g77, check-objc): Enter
11007 2001-01-11 Bernd Schmidt <bernds@redhat.com>
11009 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
11010 * sched-deps.c (deps_may_trap_p): Likewise.
11011 * basic-block.h: Remove a comment.
11012 * flow.c (PROP_POSTRELOAD): Remove.
11013 (update_life_info): Don't add it to prop_flags.
11014 (mark_set_1): Lose the code that was enabled by it.
11016 2001-01-11 Michael Hayes <mhayes@redhat.com>
11018 * flow.c (flow_call_edges_add): New.
11019 * basic_block.h (flow_call_edges_add): New.
11021 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
11023 * reload1.c (move2add_note_store): Update reg_set_luid even if
11024 base reg remains the same.
11026 2001-01-10 Nick Clifton <nickc@redhat.com>
11028 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
11029 machine_function structure to zero.
11030 Add prototypes for machine_status functions.
11032 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11034 * c-common.h (CTI_VOID_LIST): Remove.
11035 (void_list_node): Likewise.
11036 * tree.h (TI_VOID_LIST_NODE): New enumeral.
11037 (void_list_node): New macro.
11038 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
11039 * config/i386/i386.c (ix86_init_builtins): Likewise.
11040 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
11042 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11044 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
11045 * cppinit.c (cpp_start_read): Update comment, remove unneeded
11047 * tradcpp.c: Include mkdeps.h.
11048 (deps, print_deps_phony_targets, deps_append, output_deps,
11049 init_dependency_output, output_deps): New.
11050 (deps_buffer, deps_allocated_size, deps_size, deps_column,
11051 deps_output): Delete.
11052 (print_deps_missing_files): Rename deps_missing_files.
11053 (inhibit_output): Make global.
11054 (main): Delete inhibit_output, deps_stream, deps_target.
11055 Use mkdeps functionality in the same way as cpplib. Remove
11056 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
11057 -M and -MM. Remove old handling of deps via deps_out, and
11058 old reading of environment variables.
11059 (get_filename): Update to use deps_add_dep.
11061 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11063 * output.h (make_function_rtl): Remove prototype.
11064 (make_decl_rtl): Likewise.
11065 * varasm.c (make_function_rtl): Remove.
11066 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
11067 than from a third parameter.
11068 * tree.h (make_decl_rtl): Remove last parameter.
11069 * c-decl.c (builtin_function): Remove last argument in call to
11070 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
11071 (start_function): Likewise.
11072 * except.c (call_get_eh_context): Likewise.
11073 * expr.c (emit_block_move): Likewise.
11074 (clear_storage): Likewise.
11075 * profile.c (output_func_start_profiler): Likewise.
11076 * toplev.c (rest_of_decl_compilation): Likewise.
11077 * objc/objc-act.c (create_builtin_decl): Likewise.
11078 (synth_module_prologue): Likewise.
11079 (generate_static_reference): Likewise.
11080 (build_selector_reference_decl): Likewise.
11081 (build_class_reference_decl): Likewise.
11082 (build_objc_string_decl): Likewise.
11083 (build_protocol_reference): Likewise.
11085 2001-01-10 Richard Henderson <rth@redhat.com>
11087 * hwint.h: Revert yesterday's change.
11089 2001-01-10 Nick Clifton <nickc@redhat.com>
11091 * function.h (save_machine_status): Delete.
11092 (restore_machine_status): Delete.
11093 Amend comment describing {init|mark|free}_machine_status.
11095 * function.c (save_machine_status): Delete.
11096 (restore_machine_status): Delete.
11097 Amend comment describing {init|mark|free}_machine_status.
11098 (push_function_context_to): Remove invocation of
11099 save_machine_status.
11100 (pop_function_context_from): Remove invocation of
11101 restore_machine_status.
11103 * emit-rtl.c (init_emit_once): Amend comment describing
11104 {init|mark|free}_machine_status.
11106 * tm.texi (Per-Function Data): New node. Describe the
11107 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
11110 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11112 * cppinit.c (OPT_g): Remove.
11113 (cpp_handle_option): Update for removed -g3.
11114 (print_help): Update.
11115 * cpplib.h (struct cpp_options): Remove debug_output.
11116 * cppmain.c (setup_callbacks, cb_define): Update.
11117 * gcc.c (cpp_options): Translate -g3 to -dD.
11119 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
11121 * config/i960/i960.md: Change modifier to + on the zero_extract
11122 pattern after the (rotate -2 reg) canonicalization pattern.
11124 2001-01-10 Richard Henderson <rth@redhat.com>
11126 * config/alpha/alpha.c (alpha_free_machine_status): New.
11127 (override_options): Install it.
11128 (alpha_mark_machine_status): Verify machine non-null.
11129 * config/i386/i386.c (ix86_free_machine_status): New.
11130 (override_options): Install it.
11131 (ix86_init_machine_status): Use xcalloc.
11132 (ix86_mark_machine_status): Verify machine non-null.
11133 * config/ia64/ia64.c (ia64_free_machine_status): New.
11134 (ia64_override_options): Install it.
11135 (ia64_mark_machine_status): Verify machine non-null.
11137 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
11139 * function.c (instantiate_virtual_regs): Instantiate virtual
11140 registers found in CALL_INSN_FUNCTION_USAGE.
11142 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11144 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
11145 equivalent to -ansi in disabling -Di386.
11147 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
11149 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
11151 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
11153 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
11155 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
11157 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11159 * invoke.texi: Document that -fcond-mismatch isn't supported for
11162 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11164 * gcc.texi: Define macro gcctabopt.
11165 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
11166 @command, @env and @option in some places where appropriate. Use
11167 @gcctabopt where appropriate. Put URLs and email addresses inside
11170 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
11172 * gcc.c (cpp_options): Set MD file name from output
11173 filename, if specified.
11174 (suffix_subst): New static variable.
11175 (do_spec): Clear it.
11176 (do_spec_1, case '.'): Handle new `%.suffix' spec.
11178 (give_switch): Handle suffix_subst.
11180 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11182 * invoke.texi: Fix another typo.
11184 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11186 * invoke.texi: Fix typo.
11188 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11190 * c-lang.c (lang_hooks): Update.
11191 (lang_decode_option): Remove.
11192 (lang_init_options): Rename c_init_options.
11193 * toplev.c (main): Use lang_hooks for lang_init_options
11194 and lang_decode_option.
11195 * toplev.h (lang_hooks): Add 2 new hooks.
11196 * tree.h: Remove lang_init_options and lang_decode_option.
11197 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
11198 * cp/decl2.c: Similarly.
11199 * cp/lex.c (lang_init_options): Rename cxx_init_options.
11200 (lang_hooks): Update.
11201 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
11203 (lang_init_options): Rename ffe_init_options.
11204 (lang_hooks): Update.
11205 (lang_decode_option): Remove.
11206 * java/lang.c (lang_init_options): Rename java_init_options.
11207 (lang_decode_option): Rename java_decode_option.
11208 (lang_hooks): Update.
11209 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
11210 (lang_decode_option): Rename objc_decode_option.
11211 (lang_hooks): Update.
11213 2001-01-09 Nick Clifton <nickc@redhat.com>
11215 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
11216 (d30v_return_addr_rtx): Delete.
11217 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
11218 cfun->machine structure.
11219 (struct machine_function): Move to d30v.h
11220 (d30v_save_machine_status): Delete.
11221 (d30v_restore_machine_status): Delete.
11222 (d30v_init_machine_status): New Function.
11223 (d30v_mark_machine_status): New Function.
11224 (d30v_free_machine_status): New Function.
11225 (d30v_init_expanders): Use new functions.
11226 (d30v_return_addr): Use ra_rtx field in cfun->machine.
11227 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
11228 d30v_return_addr_rtx.
11230 * config/d30v/d30v.h (struct_machine): Move here.
11231 Add eh_epilogue_sp_ofs field.
11233 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
11234 field in cfun->machine structure.
11236 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
11238 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
11239 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
11240 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11242 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
11244 * objc/lang-options.h: Remove bogus reference to
11247 2001-01-09 Kazu Hirata <kazu@hxi.com>
11249 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
11252 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
11254 * reload.c (find_reloads_address): Check for eliminable registers
11255 when substituting a constant expression for a pseudo.
11257 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
11259 * c-common.c (enum format_type): Add format_type_error.
11260 (decode_format_type): New function.
11261 (decl_attributes): Use it.
11262 (format_kind_info): Adjust comment.
11264 2001-01-09 David O'Brien <obrien@BSDi.com>
11266 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
11267 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
11269 * config/i386/gnu.h: Don't include required platform specific .h files,
11270 tm.h will do it instead.
11271 * config/i386/i386elf.h: Likewise.
11272 * config/i386/linux.h: Likewise.
11273 * config/i386/moss.h: Likewise.
11274 * config/mips/gnu.h: Likewise.
11276 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11278 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
11279 (rs6000-ibm-aix3.[01]*): Likewise.
11280 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
11281 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
11282 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
11283 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
11284 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
11285 (powerpc-*-eabiaix*): Likewise.
11286 (powerpc-*-eabisim*): Likewise.
11287 (powerpc-*-elf*): Likewise.
11288 (powerpc-*-eabi*): Likewise.
11289 (powerpc-*-rtems*): Likewise.
11290 (powerpc-*-linux*libc1): Likewise.
11291 (powerpc-*-linux*): Likewise.
11292 (powerpc-wrs-vxworks*): Likewise.
11293 (powerpcle-wrs-vxworks*): Likewise.
11294 (powerpcle-*-sysv*): Likewise.
11295 (powerpcle-*-elf*): Likewise.
11296 (powerpcle-*-eabisim*): Likewise.
11297 (powerpcle-*-eabi*): Likewise.
11298 (powerpcle-*-solaris2*): Likewise.
11299 * config/rs6000/aix31.h: Delete includes.
11300 * config/rs6000/aix3newas.h: Likewise.
11301 * config/rs6000/aix41.h: Likewise.
11302 * config/rs6000/aix43.h: Likewise.
11303 * config/rs6000/beos.h: Likewise.
11304 * config/rs6000/rtems.h: Likewise.
11305 * config/rs6000/sysv4.h: Likewise.
11307 2001-01-09 Kazu Hirata <kazu@hxi.com>
11309 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
11310 Change an argument mode of machine_mode to shift_mode of
11311 shift_mode. Remove an extra error check.
11312 (emit_a_shift): Adopt to the new calling prototype of
11314 (function_prologue): Fix code for a monitor
11315 function. Support H8/S.
11316 (function_epilogue): Do not output pop for a monitor function.
11318 2001-01-09 Nick Clifton <nickc@redhat.com>
11320 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
11321 (setup_incoming_varargs): Use sysv_varargs_p field of the
11322 cfun->machine structure.
11323 (struct machine_function): Move to rs6000.h
11324 (rs6000_save_machine_status): Delete.
11325 (rs6000_restore_machine_status): Delete.
11326 (rs6000_init_machine_status): New Function.
11327 (rs6000_free_machine_status): New Function.
11328 (rs6000_init_expanders): Use new functions.
11330 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
11332 (struct machine_function): Move here.
11334 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
11335 sysv_varargs_p field of the cfun->machine structure.
11337 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
11339 (rs6000_restore_machine_status): Remove prototype.
11341 2001-01-09 Richard Henderson <rth@redhat.com>
11343 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
11344 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
11345 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
11346 (sched_analyze_2, sched_analyze_insn): Likewise.
11347 (sched_analyze, init_deps): Likewise.
11348 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
11349 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
11350 (compute_block_backward_dependences): Update propagate_deps call.
11352 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
11354 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
11356 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11358 * cppinit.c (OPT_MD, OPT_MMD): Restore.
11359 (cpp_handle_option): Handle them.
11360 (cpp_post_options): Ensure one of -M or -MM is specified with
11361 any other -M? option.
11362 (init_dependency_output): Suppress output with -MG.
11364 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11366 * cpp.texi: Update.
11367 * invoke.texi: Update.
11369 2001-01-09 Bernd Schmidt <bernds@redhat.com>
11371 * sh.md (reload_outsf): Generate recognizable patterns for
11374 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11376 * c-lang.c (lang_hooks): Update.
11377 (lang_init): Rename c_init.
11378 (lang_finish): Remove.
11379 * toplev.c (compile_file): Use lang_hooks for lang_init ()
11380 and lang_finish ().
11381 * toplev.h (lang_hooks): Add init () and finish ().
11382 * tree.h (lang_init, lang_finish): Remove.
11383 * cp/tree.h (lang_init, lang_finish): Remove.
11384 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
11385 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
11387 (lang_init, lang_finish): Remove.
11388 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
11389 (lang_hooks): Update.
11390 * java/lang.c (lang_init): Rename java_init.
11391 (lang_finish): Remove.
11392 (lang_hooks): Update.
11393 * objc/objc-act.c (lang_init): Rename objc_init.
11394 (lang_finish): Remove.
11395 (lang_hoooks): Update.
11397 20001-01-09 Graham Stott <grahams@redhat.com>
11399 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
11400 after `ptr` is initialised.
11402 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11404 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
11405 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
11406 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
11407 stack adjusts, instead of r3.
11409 2001-01-09 Michael Hayes <mhayes@redhat.com>
11411 * flow.c (flow_loop_scan): Break out of ...
11412 (flow_loops_find) ... here.
11413 * basic-block.h (flow_loop_scan): New.
11414 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
11415 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
11417 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11419 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
11421 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
11422 realloc()ing macro_buffer.
11424 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
11425 if it's wider than long and the target's long is wider than the
11428 2001-01-09 Mark Mitchell <mark@codesourcery.com>
11430 Remove support for using UWIN as a host machine.
11431 * configure.in: Issue an error message.
11432 * configure: Regenerated.
11433 * config.gcc: Remove xm_* UWIN configury.
11434 * config/i386/xm-uwin.h: Remove.
11436 2001-01-08 Nick Clifton <nickc@redhat.com>
11438 * config/v850/v850.c (ra_rtx): Delete.
11439 (v850_save_machine_status): Delete.
11440 (v850_restore_machine_status): Delete.
11441 (v850_init_machine_status): New function.
11442 (v850_mark_machine_status): New function.
11443 (v850_free_machine_status): New function.
11444 (v850_return_addr): Use ra_rtx field in machine structure.
11445 (v850_init_expanders): Use new functions.
11447 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
11448 * config/v850/v850.c: Change arguments to v850_output+* functions
11449 to take a const char *, to avoid compile time warning.
11450 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
11451 (USER_LABEL_PREFIX): Redefine.
11453 2000-01-08 Jim Wilson <wilson@redhat.com>
11455 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
11456 1 to unsigned HOST_WIDE_INT before left shift.
11458 2001-01-08 Nick Clifton <nickc@redhat.com>
11460 * config/arm/arm.c (arm_mark_machine_status): Check to see if
11461 the machine structure has been allocated.
11462 (arm_free_machine_status): New function: Free the machine
11463 specific function structure.
11465 2001-01-08 Richard Henderson <rth@redhat.com>
11467 * jump.c (simplejump_p): Revert last change.
11469 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
11471 * cppinit.c (init): Rename init_library.
11472 (cpp_create_reader): Update.
11473 * gcc.c (cpp_options): If -o given, use it as the target of
11476 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11478 * arm.c (arm_arch5e): New variable.
11479 (all_cores): XScale is a 5TE device.
11480 (arm_override_options): Set arm_arch5e.
11481 (arm_init_builtins): __builtin_prefetch is in arch5e.
11482 * arm.h (arm_arch5e): Declare it.
11484 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
11486 * arm.md (define_constants): Add defines for UNSPEC and
11487 UNSPEC_VOLATILE insns. Update all users.
11488 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
11489 * arm.c (multi_register_push, note_invalid_constants)
11490 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
11491 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
11492 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
11494 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
11496 * jump.c (jump_optimize_1): Use reversed_comparison_code
11497 instead of can_reverse_comparison_p.
11498 (jump_back_p): Likewise.
11499 (invert_exp_1): Likewise.
11500 (thread_jumps): Likewise.
11501 * simplify-rtx.c (simplify_unary_operation): Likewise.
11502 (simplify_ternary_operation): Likewise.
11503 * cse.c (find_comparison_args): Convert to use
11504 can_reverse_comparison_p.
11505 (record_jump_equiv): Likewise.
11507 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11509 * arm.h (HARD_REGNO_RENAME_OK): Delete.
11510 (EPILOGUE_USES): Define.
11511 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
11512 automatically stack the LR if it isn't live.
11514 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
11516 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
11519 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
11521 * ggc-page.c (max_alignment): New structure.
11522 (MAX_ALIGNMENT): New macro.
11523 (init_ggc): Use it to round up the sizes in the
11524 extra_order_size_table.
11526 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11528 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
11531 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11533 * builtins.def (BUILT_IN_FPRINTF): New entry.
11535 * c-common.c (c_expand_builtin_fprintf): New function.
11536 (init_function_format_info): Handle __builtin_fprintf.
11537 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
11538 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
11540 * c-decl.c (duplicate_decls): Adjust comment.
11542 * extend.texi (fprintf): Document new builtin.
11544 2001-01-07 Richard Henderson <rth@redhat.com>
11546 * jump.c (simplejump_p): Recognize any single_set jump
11547 of the proper form.
11549 2001-01-07 Richard Henderson <rth@redhat.com>
11551 * configure.in (slibdir): Accept an --with-slibdir option.
11552 Use "test" not "[" in configure. Default to $(libdir).
11554 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
11556 * config/t-aix43 (SHLIB_INSTALL): Likewise.
11557 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
11558 (SHLIB_LINK): Create links for the soname.
11559 * config/mips/t-iris6: Likewise.
11560 * config/sparc/t-slibgcc: Likewise.
11561 * config/sparc/t-slibgcc-sld: Likewise.
11563 2001-01-07 Jakub Jelinek <jakub@redhat.com>
11565 * config/i386/i386.c (constant_call_address_operand): Accept
11566 (const (plus (symbol_ref) (const_int))).
11567 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
11568 constant_call_address_operand.
11570 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11572 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
11573 and LONG_LONG_TYPE_SIZE > 32.
11575 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11577 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
11578 the previous change.
11580 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
11582 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
11584 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
11585 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
11586 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
11589 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11591 * fix-header.c (read_scan_file): s/pfile/scan_in/.
11593 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11595 * c-lang.c (c_post_options): Call cpp_post_options.
11596 * objc/objc-act.c (objc_post_options): Similarly.
11597 * cppmain.c (main): Similarly.
11598 * fix-header.c (read_scan_file): Similarly.
11599 * cppinit.c (cpp_start_read): Move option consistency checks
11600 to cpp_post_options. Don't call init_dependency_output.
11601 If needed, add default target and main file dependency.
11602 (OPT_MD, OPT_MMD): Remove.
11604 (cpp_handle_option): Update for OPT_* changes.
11605 (cpp_post_options): New.
11606 (init_dependency_output): Command line -MF overrides environment
11607 variables. Don't set default target etc. Suppress output
11608 if dependencies are going to stdout.
11609 (print_help): Update.
11610 * cpplib.h (cpp_post_options): New.
11611 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
11613 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
11615 * jump.c (comparison_dominates_p): Support unordered compares.
11617 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
11619 * simplify-rtx.c (simplify_relational_operation): Always simplify
11620 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
11623 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
11625 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
11626 (nonzero_bits): Likewise.
11627 (simplify_comparison): Likewise.
11628 (num_sign_bit_copies): Likewise; return more sane value depending
11629 on STORE_FLAG_VALUE.
11630 (known_cond): Do not assume EQ to be always true for equivalent
11633 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
11635 * cse.c (fold_rtx): Handle unordered comparisons.
11637 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
11639 * rtlanal.c (set_of_1): New static function.
11640 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
11641 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
11642 reg_set_last_last_regno): Remove.
11643 (set_of): New global function.
11644 (set_of_data): New structure.
11645 (reg_set_p, reg_set_last): Revamp for set_of.
11646 * rtl.h (set_of): New.
11648 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
11650 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
11651 * extend.texi: Document _Exit builtin.
11653 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11655 * (initialize, initialize_builtins,
11656 initialize_dependency_output, initialize_standard_includes):
11657 Rename s/initialize/init. Update.
11658 (init_dependency_output): Move to after
11659 cpp_handle_options, the correct location temporally at least.
11660 (opt_comp): Move next to init (), its caller. Fix prototype.
11661 (init): Make "initialized" local scope.
11662 (cpp_create_reader): Always call init ().
11663 (cpp_start_read): Update.
11664 (output_deps): New function, broken out of cpp_finish.
11665 (cpp_finish): Break out output_deps.
11667 2001-01-07 Richard Henderson <rth@redhat.com>
11669 * collect2.c (COFF specific stuff): Revert 12-06 patch
11670 to prototype system functions.
11672 2001-01-07 Michael Hayes <mhayes@redhat.com>
11674 * hard-reg-set.h: Add multiple include guard.
11675 * basic-block.h (struct loop): Add `sink' field.
11676 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
11677 (emit_iv_add_mult): Delete.
11678 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
11679 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
11680 (unroll_loop): Remove end_insert_before argument.
11681 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
11682 (maybe_eliminate_biv_1): Likewise.
11683 (emit_iv_add_mult): Delete.
11684 (gen_add_mult, loop_regs_update): New.
11685 (loop_insn_emit_after, loop_insn_emit_before): New.
11686 (loop_insn_sink, loop_insn_sink_or_swim): New.
11687 (emit_iv_add_mult): Delete.
11688 (scan_loop): Set loop->sink.
11689 (loop_givs_reduce): Use loop_insn_sink and its ilk.
11690 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
11691 (maybe_eliminate_biv_1): Likewise.
11692 (maybe_eliminate_biv_1): Add basic block argument.
11693 * unroll.c (unroll_loop): Remove end_insert_before argument.
11694 (find_splittable_regs): Likewise.
11695 (find_splittable_regs): Use loop_insn_sink and its ilk.
11696 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
11698 2001-01-07 Michael Hayes <mhayes@redhat.com>
11700 * loop.h (loop_insn_hoist): New prototype.
11701 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
11702 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
11703 (check_dbra_loop, load_mems): Likewise.
11704 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
11705 (find_splittable_givs): Likewise.
11707 2001-01-07 Michael Hayes <mhayes@redhat.com>
11709 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
11711 2001-01-07 Richard Henderson <rth@redhat.com>
11713 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
11715 2001-01-07 Richard Henderson <rth@redhat.com>
11717 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
11718 NO_SHARED_LIBGCC_MULTILIB as required for the target.
11719 * gcc.c (init_spec): Massage the existing libgcc_spec into a
11720 variant that handles a shared libgcc.
11721 (process_command): Always validate -{static,shared}-libgcc.
11722 (do_spec_1): New 'M' case.
11723 * invoke.text (Link Options): Document -{static,shared}-libgcc.
11725 2001-01-07 Richard Henderson <rth@redhat.com>
11727 * Makefile.in (slibdir): New variable.
11728 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
11729 (installdirs): Create slibdir.
11730 (install-libgcc, install-multilib): Defer to libgcc.mk.
11731 * configure.in (slibdir): Substitute.
11732 * mklibgcc.in (install): New target.
11734 * config/t-linux (SHLIB_LINK): Create links for the soname.
11735 (SHLIB_INSTALL): New.
11736 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
11737 * config/mips/t-iris6 (SHLIB_INSTALL): New.
11738 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
11739 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
11740 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
11742 2001-01-07 Richard Henderson <rth@redhat.com>
11744 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
11745 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
11746 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
11748 2001-01-07 Michael Hayes <mhayes@redhat.com>
11750 * loop.c (count_loop_regs_set): Delete.
11751 (load_mems_and_recount_loop_regs_set): Delete.
11752 (loop_regs_scan): Merge common code from count_loop_regs_set,
11753 scan_loop, and load_mems_and_recount_loop_regs_set.
11754 (scan_loop): Call load_mems directly and loop_regs_scan
11755 again if new registers created.
11757 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11759 * toplev.c (main): Call the front-end specific post_options
11760 hook if one is given.
11761 * toplev.h (struct_lang_hooks, lang_hooks): New.
11762 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
11763 for the C front end.
11764 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
11765 lang_hooks for the C++ front end.
11766 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
11767 lang_hooks for the ObjC front end.
11768 * f/com.c (lang_hooks): Hooks for the Fortran front end.
11769 * java/lang.c (lang_hooks): Hooks for the Java front end.
11771 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11773 * c-lex.c (init_c_lex): Request #define / #undef callbacks
11774 for verbose DWARF[2] debugging.
11775 (cb_define, cb_undef): The new callbacks.
11776 * toplev.h (debug_define, debug_undef): Make const correct.
11777 * toplev.c (debug_define, debug_undef): Similarly. Do not
11778 perform the verbosity tests here anymore.
11780 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
11782 * reload.c (subst_reloads): Take INSN argument. When
11783 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
11784 * reload.h (subst_reloads): Adjust prototype.
11785 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
11786 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
11787 present in JUMP_INSNs and copy them to JUMP_LABEL.
11788 * flow.c (find_label_refs, find_basic_blocks_1): Skip
11789 JUMP_INSNs and insns with REG_LABELs that are followed by
11790 JUMP_INSNs with the same REG_LABEL.
11791 * sched-rgn.c (is_cfg_nonregular): Likewise.
11792 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
11794 * unroll.c (unroll_loop): Look for REG_LABEL notes in
11796 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
11798 2001-01-06 Richard Henderson <rth@redhat.com>
11800 * loop.c (scan_loop): Use xcalloc for the regs array.
11801 (load_mems_and_recount_loop_regs_set): Zero the new memory
11802 received from xrealloc.
11804 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
11806 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
11808 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
11810 * integrate.c (copy_rtx_and_substitute): When copying
11811 an ignored return value, strip REG_FUNCTION_VALUE_P.
11813 2001-01-06 Michael Hayes <mhayes@redhat.com>
11815 * loop.c (debug_biv, debug_giv): New.
11816 (loop_biv_dump): Break out from ...
11817 (record_biv): ... here.
11818 (loop_giv_dump): Break out from ...
11819 (record_giv): ... here.
11820 (loop_bivs_check): Use print_simple_rtl.
11821 * unroll.c (loop_iterations): Use print_simple_rtl.
11823 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
11825 * pa.md (return, return_internal): Modify patterns to prevent regrename
11826 mucking with the return pointer.
11828 2001-01-05 Richard Henderson <rth@redhat.com>
11830 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
11832 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
11834 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
11835 version supplied by Matteo Frigo.
11837 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11839 * cpp.texi: Update for -MQ.
11840 * cppinit.c (cpp_create_reader): Always create pfile->deps.
11841 (cpp_cleanup): Always free pfile->deps.
11842 (initialize_dependency_output): Don't create pfile->deps.
11843 (cpp_handle_option): Similarly.
11845 * gcc.c (cpp_options): Handle -MQ.
11846 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11847 * mkdeps.c (base_name): Remove.
11848 (deps_init): Don't allocate vector space until it's needed.
11849 (deps_free): Only free vectors if allocated.
11850 (deps_add_target, deps_add_dep): Update for initial allocation.
11851 (deps_add_default_target): Don't strip to the base_name.
11853 2001-01-05 DJ Delorie <dj@redhat.com>
11855 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
11856 (INIT_EXPANDERS): Define.
11858 * config/v850/v850.c (struct machine_function): Define.
11859 (v850_save_machine_status): New function.
11860 (v850_restore_machine_status): New function.
11861 (v850_return_addr): New function.
11862 (v850_init_expanders): New function.
11864 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
11865 and v850_init_expanders.
11867 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11869 * cpplib.h (struct cpp_reader): Add help_only field.
11870 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
11871 (cpp_handle_option): Set pfile->help_only if we see -h,
11872 --help, -target-help, or --version. Print version string but
11873 do not set help_only if we see -v or -version. Make text
11874 printed by -v match that printed by (-)-version.
11876 * cppmain.c (main): Exit after option parsing if
11877 pfile->help_only is true.
11879 * toplev.c (independent_decode_option): Call print_version,
11880 then exit, if we see --version (but not -version).
11881 (print_version): Split lengthy message into two lines.
11883 2001-01-05 Nick Clifton <nickc@redhat.com>
11885 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
11886 temporary string for initialisation before calling ggc_alloc_string.
11888 2001-01-06 Michael Hayes <mhayes@redhat.com>
11890 * rtl.h (print_simple_rtl): New.
11891 * print-rtl.c (print_simple_rtl): New.
11892 (flag_simple): New.
11893 (print_rtx): Disable printing of flags and modes, etc.,
11894 if `flag_simple` nonzero.
11896 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11898 * function.c (fixup_var_refs): Use push_to_full_sequence where
11901 2001-01-05 Michael Meissner <meissner@redhat.com>
11903 * flags.h (flag_reorder_blocks): Add declaration.
11904 (flag_rename_block): Ditto.
11906 2001-01-05 DJ Delorie <dj@redhat.com>
11908 * function.c (reorder_blocks): Make sure the flags are all reset
11909 before using them to mark blocks, else a second invocation will
11910 corrupt the block chain.
11911 (reorder_blocks_0): New, resets the flags.
11913 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
11915 * cse.c (find_comparison_args): Stop if the argument is known to
11918 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11920 * config/sh/sh.md (movdf): When splitting load into pair of
11921 registers, don't clobber the register used in the address too
11924 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
11926 * varasm.c (mark_constant_pool): Improve initial comments.
11927 (mark_constants): Move marking of constants to mark_constant.
11928 (mark_constant): New function to recursively mark all constants
11929 referred to by a constant.
11931 2001-01-05 Catherine Moore <clm@redhat.com>
11933 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
11935 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11937 * cp/lang-options.h: Bring comment in line with reality.
11938 * f/lang-options.h: Likewise.
11939 * java/lang-options.h: Likewise.
11940 * objc/lang-options.h: Likewise.
11941 * ch/lang-options.h: Likewise.
11942 * f/g77.texi: And update the manual.
11944 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
11945 Denis Chertykov <denisc@overta.ru>
11947 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
11948 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
11949 * config/avr/avr.md (all peepholes that request a scratch register):
11950 Call it, FAIL the peephole if not safe (in interrupt functions).
11952 2001-01-05 Mark Mitchell <mark@codesourcery.com>
11954 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
11956 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
11958 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
11960 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
11961 BUILT_IN_CREAL and BUILT_IN_CIMAG.
11962 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
11963 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
11964 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
11966 * extend.texi: Document these builtins.
11968 2001-01-05 Daniel Berlin <dberlin@redhat.com>
11970 * c-common.c (lang_get_alias_set): Say we know nothing of
11971 VECTOR_TYPE aliasing.
11973 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
11975 2001-01-05 Bruce Korb <bkorb@gnu.org>
11977 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
11978 their x* equivalent versions for atexit-less systems
11979 * fixinc/fixincl.c(main): do not return from main() on atexit-less
11980 systems (or any other system any more).
11982 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
11984 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
11985 output operands. Use arm_hard_register_operand for operand 4.
11986 (stmsi_postinc): Similarly.
11987 (ldmsi): Use arm_hard_register_operand for opernand 2.
11988 (stmsi): Similarly.
11989 * arm.c (arm_hard_register_operand): New function.
11990 * arm-protos.h (arm_hard_register_operand): Prototype it.
11992 * arm.h (HARD_REGNO_RENAME_OK): Define.
11994 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
11996 * simplify-rtx.c (cfc_args): add "unordered" field.
11997 (check_fold_consts): Set unordered field.
11998 (simplify_relational_operation): Simplify the unordered
12001 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
12004 * emit-rtl.c (try_split): Fix code to mark labels.
12005 * jump.c (mark_jump_label): Make global.
12006 * rtl.h (mark_jump_label): Declare.
12008 * predict.c (estimate_probability): Handle unordred comparisons.
12010 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12012 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
12013 * cppinit.c (initialize_dependency_output): Update.
12014 (cpp_finish): Output dummy targets for -MP.
12016 (cpp_handle_option): Handle -MP. Don't quote -MT options.
12017 * cpplib.h (struct cpp_options): Add deps_phony_targets.
12018 * gcc.c (cpp_options): Update to handle -MP.
12019 * mkdeps.c (deps_add_target, deps_add_default_target): Update
12020 to quote only the default target.
12021 (deps_phony_targets): Insert a preceding newline. Rename from
12022 deps_dummy_targets for consistency.
12025 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12027 * calls.c (emit_library_call_value_1): Support
12028 INIT_CUMULATIVE_LIBCALL_ARGS.
12029 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
12031 2001-01-04 Richard Henderson <rth@redhat.com>
12033 * c-decl.c (finish_struct): Detect flexible array members
12034 used in an inappropriate context.
12035 * c-typeck.c (really_start_incremental_init): Special case
12036 constructor_max_index for zero length arrays.
12037 (pop_init_level): Allow initialization of flexible array
12038 members. Deprecate initialization of zero length arrays.
12039 Don't issue missing initializer warning for flexible array
12040 members or zero length arrays.
12041 (process_init_element): Don't dereference null DECL_SIZE.
12042 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
12043 Don't abort for empty constructors. Use size_binop
12044 (output_constructor): Add commentary regarding zero length
12045 array futures. Abort if we try to initialize an array of
12046 unspecified length with a non-empty constructor in the middle
12049 * extend.texi (Zero Length): Update and clarify documentation
12050 on static initialization.
12052 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12054 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
12055 with more than 32767 words of local storage.
12057 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12059 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
12060 for 'abs', 'labs', and 'fabs'.
12061 (c4x_expand_builtin): Likewise.
12062 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
12064 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12066 * config/sh/sh.md (prget, prset): New insn types.
12067 (return delay slot): Dont' allow prset.
12068 (call, sfunc delay slot): Don't allow prget.
12069 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
12070 for prset and prget.
12072 2001-01-05 Michael Hayes <mhayes@redhat.com>
12074 * loop.h (struct loop_reg): New.
12075 (struct loop_regs): Change to use array of `struct loop_reg'.
12076 * loop.c: Replace assortment of varrays with single regs array.
12077 (count_one_set): Delete may_not_move array argument
12078 and use regs array instead. All caller's changed.
12079 (count_loop_regs_set): Delete may_not_move and single_usage
12080 arguments and use regs array instead. All caller's changed.
12081 (find_single_use_in_loop): Replace usage array argument with pointer
12082 to regs structure. All caller's changed.
12083 (loop_optimize): Delete `moved_once' array.
12085 2001-01-05 Michael Hayes <mhayes@redhat.com>
12087 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
12088 Use it instead of loop_info->has_call for scanning loop mems.
12089 (check_dbra_loop): Replace loop_info->has_call test with
12090 loop_info->has_nonconst_call.
12092 2000-01-04 Matthew Hiller <hiller@redhat.com>
12094 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
12097 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12099 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
12100 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
12102 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12104 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
12105 (flag_short_double, flag_short_wchar): Define.
12106 (c_common_nodes_and_builtins): Create many tree nodes shared
12107 between C and C++ here instead of in cp/decl.c and ...
12108 * c-decl.c (init_decl_processing): ... here.
12109 (SIZE_TYPE, WCHAR_TYPE): Don't define.
12110 (flag_short_double, flag_short_wchar): Don't define.
12111 (record_builtin_type): New function.
12112 (build_void_list_node): New function.
12113 * c-common.h (flag_short_double, flag_short_wchar,
12114 record_builtin_type, build_void_list_node): Declare.
12116 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
12118 * integrate.c (expand_inline_function): Don't put a virtual
12119 register into the reg map.
12121 * function.c (fixup_var_refs_1): If force_operand didn't put
12122 the address into the target, move it there.
12124 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12126 Special-case tree_decl/tree_list allocations.
12127 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
12128 (OBJECT_SIZE): New macro.
12129 (NUM_EXTRA_ORDER): Likewise.
12130 (extra_order_size_table): New variable.
12131 (NUM_ORDERS): New macro.
12132 (objects_per_page_table): New variable.
12133 (object_size_table): New variable.
12134 (G.pages): Use NUM_ORDERS to bound the array.
12135 (G.page_tails): Likewise.
12136 (DIV_ROUND_UP): Remove.
12137 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
12138 (alloc_page): Use OBJECT_SIZE.
12139 (size_lookup): Don't make it const.
12140 (ggc_alloc): Use OBJECT_SIZE.
12141 (ggc_set_mark): Likewise.
12142 (ggc_get_size): Likewise.
12143 (init_ggc): Set up the object_size_table, objects_per_page_table,
12144 and adjust size_lookup.
12145 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
12146 (ggc_pop_context): Use NUM_ORDERS.
12147 (clear_marks): Likewise.
12148 (sweep_pages): Likewise.
12149 (poison_pages): Likewise.
12150 (ggc_print_statistics): Use OBJECT_SIZE.
12152 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12154 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
12155 Only call array_size_for_constructor if last field and array type
12156 with no upper bound.
12158 2001-01-04 Philip Blundell <philb@gnu.org>
12160 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
12161 from bit 31 downwards, if this requires no more insns.
12162 (count_insns_for_constant): New helper function for above.
12164 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
12166 * gencodes.c (output_predicate_decls): Remove empty initializer.
12168 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12170 * tree.c (copy_node): Remove documentation about obstacks.
12171 (buidl1): Check that nobody tries to build 2-argument nodes this
12174 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12176 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
12179 * gencodes.c (output_predicate_decls): Fill empty initializer
12182 2001-01-04 Jakub Jelinek <jakub@redhat.com>
12184 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
12185 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
12187 (do_include): Handle missing headers like cpp0.
12188 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
12189 paths with first include pathname. Don't strcat to uninitialized
12192 2001-01-04 Bernd Schmidt <bernds@redhat.com>
12194 * regrename.c (regrename_optimize): Don't rename from frame pointer
12195 if frame_pointer_needed.
12196 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
12197 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
12198 (ia64_reorg): Use it instead of scheduling if ! optimize.
12199 (errata_emit_nops): Properly call asm_noperands.
12200 (ia64_sched_reorder): Finish cycle if we see an asm.
12201 (ia64_variable_issue): Clear scheduling state after asms.
12203 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
12205 * cpp.texi: Update for -MT.
12206 * cppinit.c (initialize_dependency_output): Add a default
12207 target if none has been given already.
12208 (no_tgt, OPT_MT): New.
12209 (cpp_handle_option): Handle -MT. Update -M etc.
12210 * cpplib.h (struct cpp_options): Remove deps_target.
12211 * gcc.c (cpp_options): Handle -MT.
12212 * mkdeps.c (struct deps): Move from mkdeps.h.
12213 (deps_calc_target): Rename deps_add_default_target. Add a
12214 default target if none has been specified already.
12215 * mkdeps.h (struct deps): Move to mkdeps.c.
12216 (deps_calc_target): Rename deps_add_default_target.
12218 2000-01-03 Richard Henderson <rth@redhat.com>
12220 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
12222 * c-typeck.c (push_init_level): Move checks for flexible array
12223 members and zero length arrays ...
12224 (pop_init_level): ... here. Silently discard empty initializations.
12226 * varasm.c (output_constructor): Update for sizeof change to
12227 zero-length arrays.
12229 * extend.texi (Zero Length): Clarify semantics.
12231 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12233 * configure.in (tm.h): Include isns-codes.h last.
12234 * configure: Rebuilt.
12236 2001-01-03 Richard Henderson <rth@redhat.com>
12238 * config/alpha/alpha.md (addvsi3, addvdi3): New.
12239 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
12241 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12243 * tradcpp.c (main): Make sure finclude() is called with a valid
12244 indepth value while handling -include.
12246 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12248 * gencodes.c (output_predicate_decls): New function.
12250 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
12251 even if it is not the first time machmode.h is #included.
12252 * config/sh/sh.c (fpul_operand): Declare MODE argument.
12253 * tm.texi (PREDICATE_CODES): Document predicate declarations.
12254 * gcc.texi (Copyright): Added 2001.
12256 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12258 * c-common.c (c_common_lang_init): New function. Warn if format
12259 warning options which only have effects when used with -Wformat
12260 are used without -Wformat.
12261 * c-common.h (c_common_lang_init): Declare.
12262 * c-lang.c (lang_init): Call c_common_lang_init.
12263 * objc/objc-act.c (lang_init): Call c_common_lang_init.
12265 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12267 * configure.in: Check for the mktemp command.
12268 * configure: Regenerate.
12269 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
12270 $TEMP. Create temporary files with mktemp, if available at
12271 configure time; otherwise use set -C. Remove temporary files
12274 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12276 * configure.in: Require at least texinfo 4.0. Check for whether
12277 Pod::Man is sufficiently recent to regenerate GCC manpages.
12278 * configure: Regenerate.
12279 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
12281 (GENERATED_MANPAGES): Define.
12282 (generated-manpages): New target. Depend on cpp.1 as well as
12284 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
12285 configure to generated-manpages or empty) rather than on the
12286 manpages directly. Remove execute permission from installed
12287 gcov.1 as well as cpp.1.
12288 * cpp.1, gcov.1: Regenerate.
12290 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12292 * builtins.c (expand_builtin_strncmp): Use host_integerp and
12293 tree_low_cst. Allow using cmpstrsi in more cases.
12295 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12297 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
12300 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
12302 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
12303 * Makefile.in (HOST_CFLAGS): Mention build-make.
12305 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12307 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
12310 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12312 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
12315 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
12318 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
12319 reg_base_value and reg_known_value arrays.
12320 (init_alias_analysis): Add more cases to detect known values.
12321 * sched-deps.c (deps_may_trap_p): New function.
12322 (sched_analyze_2): Use it.
12324 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12326 * combine.c (simplify_shift_const): Even if we're sign-extracting,
12327 don't discard an ASHIFTRT if we're shifting in a wider mode.
12329 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
12331 * toplev.c (rest_of_compilation): Don't print basic block information
12332 when CFG isn't up to date.
12334 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
12336 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
12337 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
12338 (UNALIGNED_SHORT_ASM_OP): Define.
12339 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
12341 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12343 * fold-const.c (fold_convert): Fix typo.
12345 2001-01-02 Richard Henderson <rth@redhat.com>
12347 * c-common.h (ASM_INPUT_P): New.
12348 * c-parse.in (asm): Set it when needed.
12349 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
12350 existance of an operand.
12352 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
12354 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
12355 (dwarf2out_frame_debug_expr): Likewise.
12356 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
12358 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
12360 * i386.c (ix86_split_to_parts): Return number of part required;
12362 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
12364 (ix86_split_long_move): Use number of part returned
12365 by ix86_split_to_parts
12366 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
12368 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
12369 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
12370 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
12371 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
12372 (ALIGN_MODE_128): Add TFmode.
12373 (IS_STACK_MODE): Likewise.
12374 (HARD_REGNO_NREGS): TFmode needs 3 registers.
12375 (HARD_REGNO_OK): Support TFmodes.
12376 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
12377 * i386.md (scheduler definitions): Use memory operand to determine
12378 fst/fld instructions; use mode attribute to determine real mode of
12380 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
12381 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
12383 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12385 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
12387 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12389 * expr.c (store_constructor_field): Update ALIGN before calling
12392 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12394 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
12397 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12399 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
12402 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12404 * c-decl.c (start_function): Don't warn on third parameter to main.
12406 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12408 * tsystem.h: Define HAVE_DECL_GETOPT.
12410 2001-01-02 Philip Blundell <pb@futuretv.com>
12412 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
12415 2001-01-02 Richard Henderson <rth@redhat.com>
12417 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
12419 2001-01-02 Andreas Jaeger <aj@suse.de>
12421 * c-decl.c (c_decode_option): Remove support of
12422 -Wmissing-noreturn.
12424 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
12425 (W_options): Add -Wmissing-noreturn here.
12427 * flow.c: Define lang_missing_noreturn_ok_p.
12428 (check_function_return_warnings): Use it.
12430 * c-common.h: Declare lang_missing_noreturn_ok_p.
12432 * c-lang.c (c_missing_noreturn_ok_p): New function.
12433 (lang_init): Set lang_missing_noreturn_ok_p.
12435 * invoke.texi (Warning Options): Document this.
12437 2000-12-27 Phil Edwards <pme@sources.redhat.com>
12439 * extend.texi (C++ Extensions): New node for C++ attributes;
12440 describe init_priority and com_interface.
12441 * invoke.texi: Remove -finit-priority as it now has zero effect.
12442 * install.texi: Fix xref syntax.
12443 * md.texi: Likewise.
12445 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12447 * config.gcc (sparc64-wrs-vxworks*): New case.
12448 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
12450 * config/sparc/sparc.c (sparc_override_options): Do support different
12451 pointer and architecture size.
12452 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
12453 (POINTERS_EXTEND_UNSIGNED): Define.
12454 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
12455 (FUNCTION_MODE): Define to be Pmode.
12456 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
12458 * function.c (expand_function_end): Properly handle DECL_RESULT
12459 and copy when ptr_mode != Pmode.
12460 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
12462 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12464 * c-common.c (c_common_nodes_and_builtins): Set prototype
12465 parameters for __builtin_fputs, __builtin_fputc and
12466 __builtin_fwrite. Don't declare plain fputc as a builtin.
12468 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
12470 * loop.c (add_label_notes): Increment the label usage count when
12471 a note is added to an insn which refers to a CODE_LABEL.
12472 * gcse.c (add_label_notes): Likewise.
12474 2001-01-01 Andreas Jaeger <aj@suse.de>
12476 * loop.c (scan_loop): Use xmalloc to allocate movables.
12478 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
12480 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
12481 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
12482 * reload1.c (REGISTER_MOVE_COST): Likewise.
12483 * regclass.c (REGISTER_MOVE_COST): Likewise.
12484 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
12485 dimension. Adjust all users.
12486 (init_reg_sets_1): Iterate on all modes.
12487 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
12488 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
12489 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
12490 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
12491 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
12492 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
12493 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
12494 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
12495 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
12496 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
12497 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
12498 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
12499 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
12500 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
12501 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
12502 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
12503 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
12504 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
12505 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
12506 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
12507 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
12508 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
12509 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
12510 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
12511 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
12512 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
12513 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
12515 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12517 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
12518 arg VARIES_P. Call it with extra arg.
12519 (true_dependence): Likewise.
12520 * rtl.h (rtx_addr_can_trap_p): Declare.
12521 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
12523 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
12524 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
12525 pic offset table register if it's zero. All callers changed.
12526 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
12528 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12530 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
12531 STRING_POOL_ADDRESS_P.
12533 * config/sparc/sparc.c (input_operand): Properly test for short op.
12535 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
12536 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
12537 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
12538 * config/sparc/elf.h: No longer include sol2.h.
12539 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
12540 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
12542 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
12544 2001-01-01 Michael Hayes <mhayes@redhat.com>
12546 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
12547 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
12548 (record_initial): Likewise.
12549 * unroll.c (copy_loop_body, loop_iterations): Likewise.
12550 (remap_split_bivs): Likewise.
12552 2001-01-01 Michael Hayes <mhayes@redhat.com>
12554 * loop.c (loop_ivs_free): New function.
12555 (strength_reduce): Break out from...
12557 2001-01-01 Michael Hayes <mhayes@redhat.com>
12559 * loop.h (struct iv): New.
12560 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
12561 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
12562 'reg_biv_class' fields with 'regs' and 'n_regs'.
12563 (struct ivs): Rename 'loop_iv_list' field to 'list'.
12564 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
12565 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
12567 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
12569 * resource.c (mark_referenced_resources): Abort() before
12570 attempting to mark a pseudo register.
12571 (mark_set_resources): Likewise.
12573 2001-01-01 Michael Hayes <mhayes@redhat.com>
12575 * loop.h (REG_IV_CLASS): New accessor macro.
12576 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
12577 * unroll.c (REG_IV_CLASS): Likewise.
12579 See ChangeLog.4 for earlier changes.