1 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
3 * doc/install-old.texi: Remove more obsolete documentation.
5 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
7 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
9 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
11 * toplev.c (rest_of_compilation): Call split_all_insns
12 before reg-stack and shorten-branches. Do shorten-branches
14 * final.c (shorten_branches): Remove insn splitting code.
16 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
18 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
21 2001-06-07 Andreas Jaeger <aj@suse.de>
23 * emit-rtl.c (operand_subword): Remove unused variable.
25 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
27 * i386.md (floatdi?f): Avoid usinf of SSE instructions
28 if TARGET_64BIT is false.
29 (floatdi?f_i386_only): New insn.
30 (floatdi?f_i386): Disable for !TARGET_64BIT.
32 * (min?f, max?f splitters): Handle case where
33 operands are cross-matched.
35 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
36 (MMX_REGISTER_NAMES): Kill.
37 (PRINT_OPERAND): Fix comment.
38 (PRINT_REG): Likewise.
39 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
40 (print_operand): Update comment; kill 'm'.
42 * i386.c (x86_branch_hints): New global variable
43 (print_operand): Support outputting of branch prediction hints.
44 * i386.md (conditional jump patterns): Add branch prediction hints
46 * i386.h (x86_branch_hints): Declare
47 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
48 (PRINT_OPERAND_FUNCT_VALID_P): New.
49 * final.c (final_forward_branch_p): New function.
51 2001-06-06 Richard Henderson <rth@redhat.com>
53 * flow.c (mark_used_reg): Clean up looping over multiple hard
54 registers. Do conditional life bits across multiple hard regs.
56 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
58 * reload1.c (reload): Revert Schmidt's change so all USEs are not
59 deleted during reload.
61 2001-06-05 Mark Mitchell <mark@codesourcery.com>
63 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
64 functions here, instead of ...
65 * c-decl.c (c_expand_body): ... here.
67 2001-06-05 David O'Brien <obrien@FreeBSD.org>
69 * config.gcc, config/sparc/bsd.h: Do not directly include
70 sparc/sparc.h. Instead do it via tm_file.
72 2001-06-05 Richard Henderson <rth@redhat.com>
74 * dwarf2.h (DW_EH_PE_aligned): New.
75 * dwarf2asm.c (eh_data_format_name): Name it.
76 (dw2_asm_output_encoded_addr_rtx): Align for it.
77 * dwarf2out.c (output_call_frame_info): Handle it for personality
78 routine and LSDA pointers.
80 * unwind-pe.h (DW_EH_PE_aligned): New.
81 (base_of_encoded_value): Handle it.
82 (read_encoded_value_with_base): Likewise.
83 * unwind-dw2-fde.c (base_from_object): Likewise.
84 (get_cie_encoding): Likewise.
86 * config/alpha/elf.h: Remove ecoff commentary.
87 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
89 2001-06-05 David O'Brien <obrien@FreeBSD.org>
91 * config.gcc, config/i386/bsd386.h: Do not directly include
92 i386/386bsd.h. Instead do it via tm_file.
94 2001-06-05 David O'Brien <obrien@FreeBSD.org>
96 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
99 2001-06-05 Pascal Obry <obry@act-europe.fr>
101 * configure.in: Quote $enable_win32_registry in case the value has
105 2001-06-05 Mark Mitchell <mark@codesourcery.com>
107 * print-rtl.c (xspaces): Remove.
108 (print_rtx): Use printf field-width, rather than xpsaces, to
110 * toplev.c (main): Disable sibling-call optimization if we are
113 2001-06-05 Bernd Schmidt <bernds@redhat.com>
115 * reload1.c (reload): Delete all USEs generated during reload.
117 2001-06-05 scott snyder <snyder@fnal.gov>
119 * gccbug.in: Fix typo.
121 2001-06-05 Andreas Jaeger <aj@suse.de>
123 * builtins.def: Fix definition of __builtin_cosf, it uses float as
124 parameter and return value.
126 2001-06-04 Anthony Green <green@redhat.com>
128 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
129 machine. This is now done in sparc.h.
131 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
133 Correct CVS resurrection of invoke.texi.
134 * doc/invoke.texi: Document new tree dump flags.
136 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
138 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
139 for casting an aggregate to its own type. Fixes PR c/2735.
141 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
143 * doc/texinfo.tex: Update to version 2001-05-24.08.
145 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
147 * c-common.h (flag_dump_translation_unit): Remove.
148 (enum tree_dump_index): Define.
149 (TDF_ADDRESS, TDF_SLIM): New #defines.
150 (dump_node_to_file): Remove.
151 (dump_node): Make extern. Add flags.
152 (dump_flag, dump_enabled_p, dump_begin, dump_end,
153 dump_switch_p): Prototype.
154 * c-common.c (flag_dump_translation_unit): Remove.
155 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
156 logic. Use dump_switch_p.
157 * c-dump.h (struct dump_info): Add node and user fields.
158 (dump_pointer): Declare.
159 * c-dump.c (dump_node): Make extern. Add flags.
160 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
161 (dump_new_line, dump_maybe_newline): Use them.
162 (dump_pointer): New function.
163 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
164 chain or function's body. Dump address, if TDF_ADDRESS set.
166 (dump_node_to_file): Remove.
167 (struct dump_file_info): New struct.
168 (dump_files): New array.
169 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
170 * c-lang.c (finish_file): Adjust dumping.
171 * toplev.h (dump_base_name): Make extern.
172 * invoke.texi: Document new flags.
174 2001-06-04 Mark Mitchell <mark@codesourcery.com>
176 * c-tree.h (lang_decl): Add pending_sizes fields.
177 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
179 (c_expand_body): Expand them.
180 (lang_mark_tree): Mark lang_decl:pending_sizes.
181 * function.c (expand_pending_sizes): New function, broken out
183 (expand_function_start): ... here.
184 * tree.h (expand_pending_sizes): Declare it.
186 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
188 * doc/install.texi: Update FreeBSD information. Generalize
189 and update information for alpha-based platforms using ELF.
191 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
193 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
194 (store_parm_decls): Likewise.
195 * c-typeck.c (convert_arguments): Likewise.
197 2001-06-04 Richard Henderson <rth@redhat.com>
199 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
200 optimization if current_function_calls_setjmp.
202 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
204 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
207 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
209 * simplify-rtx.c (simplify_subreg): Fix combining of
212 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
214 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
215 (no_labels_between_p): Short circuit case beg==end.
217 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
219 * rtlanal.c (operand_preference): Fix preference for objects.
221 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
223 * gcse.c (handle_avail_expr): Be prepared to handle single_set
226 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
228 * combine.c (if_then_else_cond): Use simplify_subreg instead
230 * integreate.c (sub_constants): Likewise.
232 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
234 * emit-rtl.c (constant_subword): Deprecate; remove most of code
235 and use simplify_gen_subreg.
237 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
239 * sibcall.c (skip_copy_to_return_value): recognize the situation
240 when the called function's return value is copied into an
241 intermediate pseudo, and then into the calling functions return
244 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
246 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
247 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
248 in case register wasn't OK previously, accept it now; allow
249 subregs of frame pointer if reload completed and frame pointer
252 * combine.c (sombine_simplify_rtx): Fix comment;
253 use subreg_lowpart_offset instead of subreg_lowpart_p
254 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
255 * rtl.h (subreg_lowpart_parts_p): Kill.
256 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
257 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
258 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
259 (gen_lowpart_common): Likewise.
260 (subreg_lowpart_p): Likewise.
261 (subreg_lowpart_parts_p): Kill.
262 (subreg_lowpart_offset, subreg_highpart_offset): New function.
264 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
265 to simplify SUBREG and REG.
266 (gen_highpart): Use simplify_gen_subreg for all simplifications.
268 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
271 * rtlanal.c (replace_regs): Use simplify_gen_subreg
273 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
275 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
276 (ARRAY_RANGE_REF): Added description.
278 * tree.def (ARRAY_RANGE_REF): New code.
279 * alias.c (handled_component_p, can_address_p): Handle it.
280 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
281 * explow.c (set_mem_attributes): Likewise.
282 * expr.c (expand_assignment, get_inner_reference): Likewise.
283 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
284 * fold-const.c (operand_equal_p): Likewise.
285 * tree.c (staticp, stabilize_reference): Likewise.
286 * varasm.c (decode_addr_const): Likewise.
288 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
290 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
291 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
293 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
295 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
296 mark_constant_pool_use before output_addr_const.
297 (struct pool_node): New field wend.
298 (add_constant): Note a sequence of constants that are referenced
300 (pool_window_label, pool_window_last): New variables.
301 (dump_table): Emit a unspec_volatile representing the end of a
302 sequence of constants.
303 (mark_constant_pool_use): New function.
304 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
305 (consttable_2): Add the second operand which flags whether
306 this consttable entry was used or not.
307 (consttable_4, consttable_8, consttable_sf, consttable_df):
309 (consttable_window_end): New insn.
311 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
313 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
314 Reformat according to coding standards.
317 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
318 (shl_and_kind): Cast wide constant.
319 (gen_far_branch): Define as static, as in declaration.
320 (barrier_align): Compute cache-line length as unsigned. Add
321 parentheses in initial credit computation.
322 (rounded_frame_size): Add parentheses.
323 (permanent_obstack): Remove declaration. Include ggc.h for
324 declaration of ggc_add_root_rtx().
325 (get_free_reg): Removed declaration of unused variable reg.
326 (legitimize_pic_address): Mark mode argument as unused.
328 2001-06-03 Igor Shevlyakov <igor@windriver.com>
330 * config/sh/sh.c (output_branch): Support for insn with lenght
331 attr 12 & 16 which represents cond branches outside +-4096 range.
333 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
335 * config/sh/lib1funcs.asm (ic_invalidate): Align the
336 cache-mirroring sequence. Add nops.
338 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
340 * doc/install-old.texi: Remove more old installation
342 * doc/install.texi: Add relevant parts here.
344 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
346 * doc/install.texi2html: New script.
348 2001-06-03 David Edelsohn <edelsohn@gnu.org>
350 * doc/install.texi: Update AIX information again.
352 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
354 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
355 installation documentation.
356 * doc/install.texi: Move it to here.
358 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
360 * doc/install.texi: Clean up Texinfo markup.
362 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
364 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
365 to just after title page.
367 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
369 * doc/install-old.texi: Remove documentation of some configuration
371 * doc/install.texi: Add relevant parts of this documentation here.
373 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
375 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
376 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
378 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
380 * i386.md (all uses of ext_register_operand): Make sure they are
381 VOIDmode; replace all uses outside zero_extend.
382 (and?i splitters): Use ext_register_operands.
383 (test?i peep2): Remove ignored constraints.
384 * i386.c (ext_register_operand): Check that operand is
385 eighter pseudo or hard or 'Q' register.
387 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
389 * tree.h (struct record_layout_info_s): New field unpadded_align.
390 (set_lang_adjust_rli): New declaration.
391 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
392 it would have if not packed, do not downgrade DECL_ALIGN.
393 (lang_adjust_rli, set_lang_adjust_rli): New.
394 (start_record_layout): Initialize new field unpadded_align.
395 (debug_rli): Display it.
396 (place_union_field, place_field): Set it.
397 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
399 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
400 mean that; use proper names instead.
401 Print DECL_NO_STATIC_CHAIN.
403 * except.c (expand_builtin_frob_return_addr): Add missing call
404 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
405 (expand_builtin_eh_return): Likewise.
406 (expand_eh_return): Clean up ptr_mode != Pmode cases.
408 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
410 * doc/invoke.texi: Remove references to papers about sequence points
411 to readings.html, refer to that page.
413 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
415 * README: Update references to installation instructions.
417 2001-06-01 Laurent Guerby <guerby@acm.org>
418 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
420 * doc/install.texi: Define srcdir when sources come from CVS.
421 Significantly improve markup. Wrap overly long lines
423 2001-06-01 DJ Delorie <dj@redhat.com>
425 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
426 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi, objc.texi,
427 rtl.texi, tm.texi, texinfo.tex: Move to doc subdirectory.
428 * install.texi: Move to doc/install-old.texi.
429 * gcc.texi: Move to doc, refer to install-old.texi.
430 * Makefile.in: Reflect move of docs to doc/.
431 * f/Make-lang.in: Ditto.
432 * java/Make-lang.in: Ditto.
433 * doc/.cvsignore: New.
435 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
437 * invoke.texi: use two spaces between command options, eliminate
438 some 'overfull hboxes'
440 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
442 * Makefile.in (s-mlib): Make backtick-commands always succeed.
443 (DRIVER_DEFINES): Ditto.
445 2001-05-31 Richard Henderson <rth@redhat.com>
447 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
448 also link against libgcc.a.
450 2001-05-31 Geoff Keating <geoffk@cygnus.com>
452 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
453 * config/mips/mips.c (mips_output_ascii): New function.
454 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
456 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
458 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
460 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
461 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
463 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
465 * install.texi (Configuration): Add html links for --with-gnu-as &
466 --with-gnu-ld and refer to them from hppa & SCO triplets.
467 (Specific): Link back to with-gnu-ld for all ELF platfoms.
468 (Specific): Reword AVR binutils recommendation.
470 2001-05-30 Zack Weinberg <zackw@stanford.edu>
472 * ggc-page.c (size_lookup): Increase minimum allocation size
474 (ggc_print_statistics): Report size of each bin in bytes, not
475 as its order; there is no longer a direct relationship.
477 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
479 * extend.texi: Fix formating of examples, eliminate some
481 * gcc.texi: Eliminate some 'overfull hboxes'.
482 * invoke.texi: Use two spaces between command options, eliminate
483 some 'overfull hboxes'.
485 2001-05-30 Richard Henderson <rth@redhat.com>
487 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
489 2001-05-30 Tom Tromey <tromey@redhat.com>
491 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
492 use it in the new association.
494 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
495 John David Anglin <dave@hiauly1.hia.nrc.ca>
497 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
498 to target type to allow ISO C++ compiler to accept it.
499 * gthr-dce.h (__gthread_active_ptr): Likewise.
500 * gthr-solaris.h (__gthread_active_ptr): Likewise.
502 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
504 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
505 so that we do accept comments in preprocessed input.
507 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
509 * cpphash.c (alloc_node): Cast allocated pointer.
511 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
513 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
515 2001-05-29 Stan Shebs <shebs@apple.com>
517 * gcc.texi: Add links for information about Objective-C.
519 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
521 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
522 /bin/sed fails on [^\"]).
523 (configargs.h): Likewise.
525 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
527 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
529 2001-05-28 Stan Shebs <shebs@apple.com>
531 * objc/objc.gperf: Remove, no longer used.
533 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
535 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
536 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
537 Remove trailing whitespace.
539 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
541 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
542 became http://freeware.sgi.com/.
544 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
546 * local-alloc.c (update_equiv_regs): Don't eliminate constant
549 2001-05-27 Stan Shebs <shebs@apple.com>
551 * objc/objc-act.c: Add/fix various comments.
552 (init_selector): Remove, no longer used.
553 (build_msg_pool_reference): Ditto.
556 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
558 * c-decl.c (init_decl_processing):
559 Don't call start_identifier_warnings.
560 * flags.h (warn_id_clash, id_clash_len): Remove.
561 * stringpool.c: Don't include flags.h.
562 (scan_for_clashes, do_identifier_warnings,
563 start_identifier_warnings): Remove.
564 * toplev.c (warn_id_clash, id_clash_len): Remove.
565 (display_help): Don't document -Wid-clash.
566 (decode_W_option): Print warning on -Wid-clash.
567 * tree.h (start_identifier_warnings): Remove.
568 * invoke.texi: Remove documentation of -Wid-clash.
570 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
572 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
574 2001-05-27 Bruce Korb <bkorb@gnu.org>
576 * fixinc/check.tpl(HACK) add and use a Scheme variable
577 (has no test text): error out if no "test_text" is defined
578 * fixinc/fixincl.tpl: likewise
579 (FIXIDX): make it an enumeration so we minimize diffs
580 * fixinc/inclhack.def: re-alphabetize and add sort instructions
581 * fixinc/fixincl.x: regenerate
582 * fixinc/tests/base/stdio.h: test output got moved due to
584 * README-fixinc: rewrite (mostly)
586 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
588 * cpplib.c (run_directive): Set pfile->directive.
590 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
592 * c-tree.texi: Reformat the manual as a single chapter now
593 included by gcc.texi.
594 * gcc.texi: Include c-tree.texi. Merge all indexes.
595 * Makefile.in (dvi): Add generation for the cppinternals
596 documentation. Added dependencies on fdl.texi and c-tree.texi
597 where appropriate. Use TEXI2DVI instead of custom tex calls.
598 (info): Added dependencies on fdl.texi and c-tree.texi where
599 appropriate. Remove the target c-tree.info.
601 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
603 * combine.c (try_combine): Fix typo in comment.
604 * expr.c (expand_expr): Likewise.
605 * config/i370/i370.md (untyped_call): Likewise.
607 2001-05-26 Bruce Korb <bkorb@gnu.org>
609 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
610 when fixincl is operating in test mode
611 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
612 (AAB_ultrix_limits): remove redundant text
613 (AAB_ultrix_memory): ditto
614 (AAB_ultrix_string): ditto
615 (djgpp_wchar_h): fix the test text
616 (irix_stdio_va_list): add test text
617 (irix_limits_const): add a testing output file (limits.h is overwritten)
618 (strict_ansi_not_ctd): put limits.h second in list for same reason
619 (solaris27_mutex_init): test text needed selection text, too
621 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
622 when fixincl is operating in test mode
624 2001-05-26 Philip Blundell <philb@gnu.org>
626 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
627 * config/i960/i960-protos.h: Likewise.
628 * config/i370/i370-protos.h: Likewise.
629 * config/h8300/h8300-protos.h: Likewise,
630 * config/sh/sh-protos.h: Likewise.
631 * config/v850/v850-protos.h: Likewise.
633 2001-05-26 Philip Blundell <philb@gnu.org>
635 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
637 2001-05-25 Zack Weinberg <zackw@stanford.edu>
639 * toplev.c (debug_args, f_options, W_options): Mark
640 descriptions for translation.
641 (display_help): Translate descriptions on output.
643 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
644 objc/lang-options.h: Mark descriptions for translation.
646 * aclocal.m4: Quote final argument of patsubst. Use
647 3-argument form of AC_DEFINE. Restore quotes to [] while
649 * configure.in: Remove unnecessary changequote calls.
650 * configure, config.in: Regenerate.
652 2001-05-25 Sam TH <sam@uchicago.edu>
654 * basic-block.h: Fix header include guards.
655 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
656 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
657 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
658 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
659 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
660 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
661 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
662 varray.h version.h: Likewise.
663 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
664 config/arm/arm.h config/c4x/c4x-protos.h
665 config/h8300/h8300-protos.h config/h8300/h8300.h
666 config/i370/i370-protos.h config/i370/i370.h
667 config/i960/i960-protos.h config/mcore/mcore.h
668 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
669 config/v850/v850-protos.h config/v850/v850.h: Likewise.
670 * fixinc/fixlib.h fixinc/server.h: Likewise.
672 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
674 * config/arc/initfini.c (.init): Fix typo.
676 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
678 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
680 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
682 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
684 2001-05-25 Richard Henderson <rth@redhat.com>
686 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
688 2001-05-25 Richard Henderson <rth@redhat.com>
690 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
691 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
692 (sparc*-*-solaris2): Likewise.
693 * config/t-linux: Remove shared libgcc macros.
694 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
695 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
697 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
699 * config.gcc (*-*-freebsd*): Report bad configuration.
701 2001-05-25 David Edelsohn <edelsohn@gnu.org>
703 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
705 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
707 (ASM_OUTPUT_LABELREF): Delete.
709 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
711 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
712 strict_ansi_only): Don't run if stdc_0_in_system_headers.
713 * fixinc/fixincl.x: Regenerate.
714 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
715 (FIX_TEST_TABLE): Declare it.
716 * fixinc/fixlib.h: Include config.h.
718 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
720 * fixinc/inclhack.def (alpha___assert): Change char * args to
721 const char * on Tru64 UNIX to avoid excessive warnings from
723 * fixinc/fixincl.x: Regenerate.
725 2001-05-25 Geoff Keating <geoffk@redhat.com>
727 * dbxout.c (dbxout_symbol): Invert previous patch, which was
728 outputting a tag only for variable-size records.
730 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
732 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
733 instead of rtx_equal_p for early clobber test.
735 2001-05-26 Mark Mitchell <mark@codesourcery.com>
737 * builtins.def: Encode additional information, such as names and
739 * builtin-types.def: New file.
740 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
741 (built_in_decls): Likewise. Don't explicitly initialize global
743 (expand_builtin_mathfn): Handle float and long double variants of
745 (expand_builtin): Likewise.
746 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
747 (expand_tree_builtin): Handle long, long long, float, and long
748 double variants of math functions.
749 * c-common.h (c_tree_index): Remove some unused nodes.
750 (void_ftype): Remove.
751 (void_type_ptr): Likewise.
752 (int_ftype_int): Likewise.
753 (ptr_ftype_sizetype): Likewise.
754 * c-decl.c (init_decl_processing): Remove creation of DWARF
756 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
757 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
758 * Makefile.in (c-common.o): Depend on builtin-types.def.
760 2001-05-25 Dale Johannesen <dalej@apple.com>
762 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
764 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
766 * c-parse.in (notype_initdcl): Remove redundant line.
768 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
770 * aclocal.m4: Fixed typo.
771 (gcc_AC_HEADER_STDBOOL): Define.
772 (gcc_AC_C__BOOL): Define.
773 * configure.in: Use them.
774 (AC_CHECK_HEADERS): Remove stdbool.h
775 * configure, config.in: Regenerate.
777 2001-05-25 Richard Henderson <rth@redhat.com>
779 * function.c (expand_function_start): Don't abort on PARALLEL
780 returns from hard_function_value.
782 2001-05-25 Richard Henderson <rth@redhat.com>
784 * config/i386/i386.md: Revert previous change. Do not apply
785 the peephole if the components do not die after the sequence.
787 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
789 * c-parse.in (array_declarator): New. Handle C99 constructs.
790 Don't restrict [*] declarators to C only.
791 (after_type_declarator, parm_declarator_starttypename,
792 parm_declarator_nostarttypename, notype_declarator,
793 direct_absdcl1): Use it.
794 * c-decl.c (build_array_declarator, set_array_declarator_type):
795 New functions. Warn that [*] isn't properly implemented; pedwarn
796 for [*] outside C99 mode if pedantic rather than giving a hard
798 (grokdeclarator): Handle static and type qualifiers in parameter
800 * c-tree.h (build_array_declarator, set_array_declarator_type):
802 * extend.texi (Attribute Syntax): Document attributes in parameter
805 2001-05-25 Mark Mitchell <mark@codesourcery.com>
807 * config/i386/i386.md: Make sure cmpstr peepholes do not
808 affect liveness information.
810 2001-05-24 Mark Mitchell <mark@codesourcery.com>
812 * c-typeck.c (digest_init): Issue error messages about
813 invalid constants, not warnings.
815 2001-05-24 Mark Mitchell <mark@codesourcery.com>
817 * invoke.texi (-fno-builtin): Document that this is always on
820 2001-05-24 Philip Blundell <philb@gnu.org>
822 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
825 2001-05-24 Philip Blundell <philb@gnu.org>
827 * config/arm/arm.c (output_return_instruction): Correctly handle
828 interworking and interrupt functions.
830 2001-05-24 Philip Blundell <philb@gnu.org>
832 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
833 -m{no-}sched-prolog. Fix typos and improve formatting.
835 2001-05-24 Philip Blundell <philb@gnu.org>
837 * invoke.texi (ARM Options): Improve wording slightly. Add
838 documentation for more options, including those for Thumb mode.
839 Don't mention options that don't exist or are unimplemented.
840 (Thumb Options): Delete; merged into above section.
842 2001-05-24 Geoff Keating <geoffk@redhat.com>
844 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
845 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
847 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
849 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
850 fix hard register simplification.
852 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
854 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
855 of just copying CPP_CPU_SPEC.
857 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
859 * i386.c (incdec_operand): Accept only 1 and -1.
861 2001-05-23 Kelley Cook <kelley.cook@home.com>
863 * Makefile.in: Move many of the *_H definitions eariler in the
864 file, so that rules in t-* files that use them for
865 dependencies will work in a parallel build.
866 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
868 2001-05-23 Richard Henderson <rth@redhat.com>
870 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
872 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
874 * cpp.texi: Update for handling of charconsts.
875 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
876 diagnostics. Skip to the end if the UCS is too short.
877 (cpp_interpret_charconst): Long charconsts issue a warning
880 2001-05-23 Richard Henderson <rth@redhat.com>
882 * doc/install.texi (alpha-linux): Require binutils 2.11.
884 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
886 * c-lex.c (read_escape, read_ucs): Delete.
887 (lex_string): Use cpp_parse_escape.
888 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
889 if not C++ or not C99. Warn if traditional.
890 (parse_escape): Rename cpp_parse_escape. Make the bitmask
891 unsigned. Warn for out-of-range escape sequences here.
892 Update to use maybe_read_ucs.
893 (cpp_interpret_charconst): Don't warn here.
894 * cpplib.h (cpp_parse_escape): New exported function.
896 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
898 * extend.texi (Attribute Syntax): Clarify application of
899 attributes to parameters declared as functions or arrays.
901 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
903 * dbxout.c (dbxout_type_methods): Do still group methods by name.
905 2001-05-23 Zack Weinberg <zackw@stanford.edu>
907 * diagnostic.c (vnotice): Kill.
908 (fnotice): Call vfprintf directly.
909 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
910 verbatim, set_diagnostic_context): Rename string argument to
911 indicate that it is run through gettext.
912 (vbuild_message_string, build_message_string, output_do_printf):
913 Rename string argument to indicate that it is NOT run through
915 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
916 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
917 Run msgid argument through gettext.
918 (default_print_error_function): Run constant strings through
919 gettext when nothing else will.
920 (fatal_error, internal_error, error_recursion): Use fnotice.
921 Present complete sentences to gettext.
923 2001-05-23 Mark Mitchell <mark@codesourcery.com>
925 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
927 2001-05-23 Richard Henderson <rth@redhat.com>
929 * function.c (expand_function_start): Always use a pseudo
930 for the function result value.
932 2001-05-22 Richard Henderson <rth@redhat.com>
934 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
935 section pointer alignment.
937 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
939 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
940 of __USER_LABEL_PREFIX__.
942 2001-05-22 Richard Henderson <rth@redhat.com>
944 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
945 (__deregister_frame_info_bases): New.
946 * unwind-dw2-fde.h: Declare it.
947 * libgcc-std.ver: Export it.
948 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
949 called __register_frame_info_bases.
951 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
953 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
954 instead of #elif (which is OK for this case but not in general).
956 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
958 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
959 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
960 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
961 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
962 "r2" to the assembly file. Only issue allocs with non-zero parameters.
964 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
965 David O'Brien <obrien@freebsd.org>
967 * config/freebsd.h (LIB_SPEC): Key the exact setting to
968 configure-time options and target version of FreeBSD. Set-up
969 to match architectural change in threading support. Correctly
970 report when -pthread option is not supported by configure-time
972 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
973 and extend to encode target version number in run-time setting
974 of __FreeBSD__ macro to match the system compiler.
975 (CPP_PREDEFINES): Likewise.
976 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
978 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
979 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
981 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
982 David O'Brien <obrien@freebsd.org>
984 * config.gcc (the unlabeled system switch statement): Add
985 generic configuration section to handle *-*-freebsd*. Also,
986 to match the system compiler, default to threading support (it
987 may be disabled with the standard --disable-threads
988 configuration-time switch).
989 (i[34567]86-*-freebsd* in machine-specific section): Use it.
990 (alpha*-*-freebsd* in machine-specific section): Likewise.
992 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
993 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
994 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
995 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
996 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
998 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
999 David O'Brien <obrien@freebsd.org>
1001 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1002 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
1003 -pthread instead setting macro.
1005 2001-05-22 Richard Henderson <rth@redhat.com>
1007 * crtstuff.c (__register_frame_info_bases): Declare.
1008 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
1009 (__do_global_dtors_aux, __do_global_dtors): Streamline.
1011 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1012 (CRT_GET_RFIB_DATA): New.
1013 * config/i386/sysv4.h: Likewise.
1014 * config/i386/sco5.h: Likewise.
1015 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1017 2001-05-22 Richard Henderson <rth@redhat.com>
1019 * rtl.c (read_string): Break out from ...
1020 (read_rtx): ... here.
1022 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1024 * doc/install.texi (Specific): Remove a bogus and duplicate part
1025 copied from the end of the document.
1027 2001-05-22 Bernd Schmidt <bernds@redhat.com>
1029 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
1031 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1033 * install.texi: Remove obsolete information on SunOS as well as
1034 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
1035 (Installing GNU CC on the Sun): Remove section.
1037 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
1039 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
1040 keep errno unchanged on success.
1042 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
1044 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
1045 once for hexadecimal floats, whether or not they contain a decimal
1046 point. Don't let the setting of pedantic otherwise affect the
1047 parsing of hexadecimal floats.
1049 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1051 * README.ACORN: Remove obsolete file.
1053 2001-05-22 Jan Hubicka <jh@suse.cz>
1055 * combine.c (gen_binary): Use swap_commutative_operands_p
1056 (simplify_comparison): Likewise.
1057 * expmed.c (emit_store_flag): Likewise.
1058 * expr.c (compare_from_rtx): Likewise.
1059 (do_compare_rtx_and_jump): Likewise.
1060 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
1061 if not emitting a branch and operands want swapping.
1063 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
1065 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
1066 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
1067 (maybe_get_identifier): Update.
1068 * tree.h (make_identifier): Delete.
1070 2001-05-21 Richard Henderson <rth@redhat.com>
1072 * combine.c (subst): Do not substitute for a register as
1073 a destination subreg/strict_low_part/zero_extract.
1075 * combine.c (simplify_comparison): Update op1 after constant
1077 * recog.c (const_int_operand): Accept only constants valid
1079 * genrecog.c: Update comments wrt const_int_operand.
1081 * emit-rtl.c (init_emit_once): Zero unused memory in a
1084 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1086 * tree.h (type_num_arguments): Declare it.
1087 * tree.c (type_num_arguments): New function.
1089 2001-05-21 Richard Henderson <rth@redhat.com>
1091 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
1094 2001-05-21 Geoff Keating <geoffk@redhat.com>
1096 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
1098 (minsf3): Use rs6000_emit_minmax.
1099 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
1101 (movsfcc): Use rs6000_emit_cmove.
1102 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
1103 Don't generate emit_fselsfsf4.
1104 (fseldfsf4): Likewise.
1105 (maxdf3): Use rs6000_emit_minmax.
1107 (mindf3): Use rs6000_emit_minmax.
1108 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
1110 (movdfcc): Use rs6000_emit_cmove.
1111 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
1112 Don't generate emit_fselsfsf4.
1113 (fselsfdf4): Likewise.
1114 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
1115 (min_max_operator): New predicate.
1116 (rs6000_emit_cmove): New function.
1117 (rs6000_emit_minmax): New function.
1118 * config/rs6000/rs6000-protos.h: Prototype new functions.
1119 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
1120 and min_max_operator.
1122 * config/rs6000/rs6000.c (output_cbranch): Handle all
1123 conditional types in the switch statement.
1125 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1127 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
1128 non-register variables.
1129 * extend.texi: Document that asm-specifications do not make sense
1130 for non-static local variables.
1132 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
1134 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
1135 (dbxout_type_fields): Lose minimal_debug support.
1136 (dbxout_type_methods, dbxout_type): Likewise.
1138 2001-05-17 Andrew Haley <aph@redhat.com>
1140 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1142 2001-05-21 Richard Henderson <rth@redhat.com>
1144 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
1147 2001-05-20 Richard Henderson <rth@redhat.com>
1149 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1150 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
1151 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
1152 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1153 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
1155 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1156 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
1157 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
1158 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1159 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1160 DEBUG_PUBNAMES_SECTION): Rename as above.
1161 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1163 2001-05-20 Richard Henderson <rth@redhat.com>
1165 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
1166 operands unless the operation is commutative.
1168 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1170 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
1173 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
1175 * extend.texi: Clarify documentation of extensions included in ISO
1176 C99. Prefer C99 terminology and syntax to old GNU terminology and
1177 syntax. Add more index entries. Document mixed declarations and
1178 code as an extension in C89 mode. Warn about future changes to
1179 semantics of inline functions. Fixes PR other/930.
1181 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1183 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
1184 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1185 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
1186 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1188 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
1190 2001-05-20 Richard Henderson <rth@redhat.com>
1192 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
1193 to be output before a branch.
1195 2001-05-20 Richard Henderson <rth@redhat.com>
1197 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
1199 2001-05-20 Richard Henderson <rth@redhat.com>
1201 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
1202 (ASM_DOUBLE): Remove.
1203 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
1204 * config/i386/sun386.h: Likewise.
1206 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
1207 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
1209 * config/i386/cygwin.h (INT_ASM_OP): Remove.
1210 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
1211 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
1212 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
1214 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
1215 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
1216 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
1217 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
1218 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
1219 * config/i386/win32.h: Likewise.
1221 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1223 * invoke.texi: Add more options to summary list.
1225 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1227 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
1228 used. Fixes PR c/2291.
1229 * gcc.1: Regenerate.
1231 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1233 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
1234 the -fpic and -fPIC options, clear flag_pic.
1236 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1238 * hashtable.c (calc_hash): Fix HASHSTEP definition.
1239 * stringpool.c (make_identifier): No statistics here anymore.
1240 * objc-act.c (steup_string_decl): Remove redundant check.
1242 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1244 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
1245 cpplib.o, cpphash.o, fix-header): Update.
1246 (hashtable.o): New target.
1247 * c-common.h: Include cpplib.h. Define C_RID_CODE and
1248 struct c_common_identifier here.
1249 * c-lang.c (c_init_options): Update. Call set_identifier_size.
1250 * c-lex.c (c_lex): Update.
1251 * c-pragma.h: Update.
1252 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
1254 (C_RID_CODE): Delete.
1255 * cpphash.c: Rewrite to use hashtable.c.
1256 * cpphash.h: Update include guards.
1257 (struct cpp_reader): Remove hashtab.
1258 hash_ob and buffer_ob are no longer pointers. Add hash_table
1260 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
1261 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
1262 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
1263 * cppinit.c (cpp_create_reader): Update.
1264 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
1265 (cpp_interpret_charconst): Eliminate warning.
1266 * cpplib.c (do_pragma, do_endif, push_conditional,
1267 cpp_push_buffer, cpp_pop_buffer): Update.
1268 (_cpp_init_stacks): Rename cpp_init_directives.
1269 (_cpp_cleanup_stacks): Remove.
1270 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
1271 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
1272 cpp_forall_identifiers, cpp_create_reader): Update.
1273 (C_RID_CODE, cpp_make_node): New.
1274 (c_common_identifier): New identifier node for C front ends.
1275 * cppmain.c (main): Update.
1276 * fix-header.c (read_scan_file): Update.
1277 * flags.h (id_clash_len): Make unsigned.
1278 * ggc.h (ggc_mark_nonnull_tree): New.
1281 * stringpool.c: Update comments and copyright. Update to use
1283 * toplev.c (approx_sqrt): Move to hashtable.c.
1284 (id_clash_len): Make unsigned.
1285 * toplev.h (ident_hash): New.
1286 * tree.c (gcc_obstack_init): Move to hashtable.c.
1287 * tree.h: Include hashtable.h.
1288 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
1289 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
1290 (struct tree_identifier): Update.
1291 (make_identifier): New.
1293 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
1294 (C_RID_CODE): Remove.
1295 * lex.c (cxx_init_options): Call set_identifier_size. Update.
1296 (init_parse): Don't do it here.
1298 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
1300 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
1302 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
1304 (expand_eh_return): Convert between word_mode and Pmode.
1305 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
1307 (execute_stack_op): Likewise.
1308 (execute_cfa_program): Likewise.
1309 (uw_frame_state_for): Likewise.
1310 (uw_update_context_1): Likewise.
1311 * unwind.inc (_Unwind_Reason_Code): Likewise.
1312 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
1313 (EH_RETURN_STACKADJ_RTX): Likewise.
1314 * config/mips/mips.c (compute_frame_size): Make space for saving
1315 EH return registers.
1316 (mips_expand_epilogue): Handle EH stack adjustments.
1317 * config/mips/mips.md (eh_return): New pattern.
1318 (eh_set_lr_si): Likewise.
1319 (eh_set_lr_di): Likewise.
1320 Add splitter to perform EH return after reload.
1322 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1324 * jump.c (mark_jump_label): Tidy previous change.
1326 2001-05-19 Bruce Korb <bkorb@gnu.org>
1328 * fixinc/genfixes: no need for two warnings
1329 * fixinc/Makefile.in: open stdin for those building with a closed one.
1331 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1333 * jump.c (jump_optimize_1): Tidy.
1334 (mark_jump_label): When changing the label in a LABEL_REF, change
1335 update any REG_EQUAL notes as well.
1337 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
1339 * c-parse.in (parm_declarator): Split into
1340 parm_declarator_starttypename and parm_declarator_nostarttypename.
1341 (parm_declarator_starttypename, parm_declarator_nostarttypename):
1342 New. Allow parenthesised sub-declarators which don't begin with a
1343 TYPENAME. Fixes PR c/166.
1345 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1347 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
1349 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1351 * toplev.c (main): If the target does not allow profiling without
1352 a frame pointer, issue an error message.
1353 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1356 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1358 * recog.c (general_operand): Modify last change to allow it if reload
1361 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1363 * recog.c (general_operand): Prohibit nonzero subreg bytes on
1364 subregs containing mem.
1366 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
1368 * regrename.c (regrename_optimize): frame pointer register can
1371 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
1373 * README.DWARF: Move into dwarfout.c.
1375 2001-05-18 Dale Johannesen <dalej@apple.com>
1377 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
1378 specific misuse of r0 as a reload address.
1380 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1382 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
1385 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1387 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
1388 (add_to_sequence): Make that decision type.
1389 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
1390 (write_switch, write_cond, debug_decision_2): Likewise.
1392 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
1394 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
1397 2001-05-18 Stan Shebs <shebs@apple.com>
1399 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
1400 * configure: Regenerate.
1402 2001-05-18 Per Bothner <per@bothner.com>
1404 Changes needed for java/jvspec.c
1405 * gcc.h (n_infiles, outfiles): Add declarations.
1406 * gcc.c (n_infiles, outfiles): Mske no longer static.
1408 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
1410 * config/pa/som.h (EXCEPTION_SECTION): Define.
1412 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
1414 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
1416 Add have_location_lists, a variable to determine whether we need a
1417 .debug_loc section or not.
1418 (enum dw_val_class): Add dw_val_class_loc_list.
1419 (dw_val_struct): Add val_loc_list.
1420 (dw_loc_list_struct): New structure, represents location lists.
1421 (new_loc_list): New function, return a new location list, given
1422 the range and location expression.
1423 (add_loc_descr_to_loc_list): New function, add a location
1424 expression to a location list, given the expression and range.
1425 (output_loc_list): New function, output a location list.
1426 (gen_internal_sym): Modified to take symbol prefix, so we can
1427 reuse it for location list symbols.
1428 (add_AT_loc_list): New function, add a location list to a DIE at
1429 the named attribute.
1430 (AT_loc_list): New function, return the location list reference
1431 for a given attribute, if it's a location list.
1432 (print_die): Handle dw_val_class_loc_list.
1433 (size_of_die): Ditto.
1434 (value_format): Ditto.
1435 (output_die): Ditto.
1436 (output_location_lists): New function, output all of the location
1437 lists for a DIE and it's children.
1438 (dwarf2out_finish): Call output_location_lists if we have location
1442 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1444 * gcse.c (try_replace_reg): First try global replace, later try to
1445 simplify the expression.
1447 * gcse.c (find_used_regs): Change calling convention; work via
1449 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
1451 2001-05-18 Bernd Schmidt <bernds@redhat.com>
1454 2001-02-09 Nick Clifton <nickc@redhat.com>
1455 * config/arm/arm.md: Change output constraint on post inc
1456 load/store multiple patterns to be a read/write constraint.
1458 2001-05-18 Mark Mitchell <mark@codesourcery.com>
1460 * basic-block.h (struct basic_block_def): Add documentation about
1461 what a basic block is, and what the various fields are used for.
1462 * flow.c (calculate_globlal_regs_live): Add documentation about
1463 how the algorithm works, and how we know that it will terminate.
1464 Check that the the inductive assumption that guarantees
1465 termination actually holds.
1466 (mark_used_regs): Treat conditionally set registers as used.
1467 (debug_regset): Add comment.
1468 * rtl.texi (cond_exec): Add documentation.
1470 * function.c (expand_function_start): Avoid creating BLKmode
1473 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1475 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
1476 DIE, even if it has no children.
1477 (dwarf2out_finish): Always output the line-number table, even if
1480 2001-05-18 David Edelsohn <edelsohn@gnu.org>
1482 * rs6000.md (movsfcc,movdfcc): Remove NE case.
1484 2001-05-17 Bruce Korb <bkorb@gnu.org>
1486 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
1487 * fixinc/genfixes: emit a warning if AutoGen is out of date
1489 2001-05-17 Brendan Conoboy <blc@cygnus.com>
1490 Bruce Korb <bkorb@gnu.org>
1492 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
1493 found in fixinc directory. Facilitates binary distributions.
1495 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
1497 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
1500 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
1502 * dwarf2out.c (modified_type_die): Equate qualified type to die.
1504 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1506 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
1507 (simplify_subreg): Handle complex types represented as CONCAT.
1509 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
1510 * rtl.h (swap_commutative_operands_p): Declare.
1511 * rtlanal.c (swap_commutative_operands_p): New.
1512 (operand_preference): New static function.
1514 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
1515 (gen_binary): Likewise.
1516 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
1517 * simplify-rtx.c (simplify_gen_binary,
1518 simplify_gen_relational): Likewise.
1520 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1522 * cse.c (fold_rtx): Use simplify_subreg.
1524 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
1525 (simplify_gen_subreg): New.
1526 (simplify_rtx): Use simplify_subreg.
1527 * rtl.h (simplify_gen_subreg): Declare.
1529 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1531 * doc/install.texi: Update Solaris information.
1533 * except.h (protect_cleanup_actions): Remove it.
1534 (lang_protect_cleanup_actions): Declare it.
1535 * except.c (protect_cleanup_actions): Remove it.
1536 (lang_protect_cleanup_actions): New variable.
1537 (init_eh): Don't make protect_cleanup_actions a GC root.
1538 (expand_eh_region_and_cleanup): Call
1539 lang_protect_cleanup_actions.
1540 (output_function_exception_table): Remove unused `align'
1542 * varasm.c (assemble_external): Abort if we have not yet
1543 opened the assembly output file.
1545 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
1547 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
1548 for eh_personality_libfunc.
1550 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1552 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
1553 when calling simplify_subreg. This is needed to allow replacing
1554 of expression of one mode by expression of different mode.
1556 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1558 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
1560 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1562 * expr.c (protect_from_queue): Protect against subsequent calls to
1564 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
1567 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
1569 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
1571 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1573 * gccbug.in (CATEGORIES): Add "bootstrap".
1575 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1577 * simplify-rtx.c (simplify_subreg): Break out from ...
1578 * combine.c (combine_splify_rtx) ... here and ...
1579 * recog.c (validate_replace_rtx_1): ... here;
1580 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
1581 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
1582 (subreg_lowpart_p): ... here.
1584 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1586 * stmt.c (expand_asm_operands): For inout operands, make sure
1587 the substitution of '=' for '+' makes it into the rtl.
1589 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
1590 (reload_as_needed): Call update_eliminable_offsets a bit later.
1592 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1594 * gcc.texi (gccbug): Refer to the web pages for detailed information
1597 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1599 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
1601 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
1602 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
1603 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
1604 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
1605 * cross-make: Don't set LIBGCC1.
1606 * mklibgcc.in: Delete all code for building from libgcc1.c.
1607 Always honor LIB1ASMFUNCS if set.
1609 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
1610 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
1611 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
1612 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
1613 config/i386/uwin.asm, config/m68hc11/larith.asm,
1614 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
1615 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
1616 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
1617 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
1618 Delete or update references to libgcc1 in commentary.
1620 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
1621 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
1622 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
1623 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
1624 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
1625 config/arm/t-semi, config/arm/t-strongarm-coff,
1626 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
1627 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
1628 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
1629 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
1630 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
1631 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
1632 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
1633 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
1634 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1635 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
1636 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
1637 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
1638 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
1639 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
1640 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
1641 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
1642 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
1643 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
1644 config/mips/t-ultrix, config/mn10200/t-mn10200,
1645 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
1646 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
1647 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
1648 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
1649 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
1650 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
1651 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
1652 config/sparc/t-sparclite, config/sparc/t-splet,
1653 config/sparc/t-sunos41, config/sparc/t-vxsparc,
1654 config/sparc/t-vxsparc64, config/v850/t-v850:
1655 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
1657 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
1658 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
1659 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
1660 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
1661 nongcc_SI_type, nongcc_word_type, or perform_*
1662 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
1664 * config/i386/386bsd.h, config/i386/beos-elf.h,
1665 config/i386/linux-aout.h, config/i386/linux-oldld.h,
1666 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
1667 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
1668 Don't include i386/perform.h.
1670 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
1671 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
1672 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
1673 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
1674 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
1675 config/vax/t-openbsd, config/vax/t-vax: Delete.
1677 * config.gcc: Remove references to deleted files.
1678 (arm-semi-aof): Use arm/t-semi for tmake_file.
1680 * gcc.texi, install.texi, invoke.texi, tm.texi:
1681 Delete or rewrite text which is no longer relevant now that
1682 libgcc1 no longer exists.
1684 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
1685 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
1687 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
1688 Bruce Korb <bkorb@gnu.org>
1690 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
1693 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1695 * i386.md: Add two peepholes to clean up code generated by
1698 2001-05-16 Richard Henderson <rth@redhat.com>
1700 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
1701 variants of non-absolute encodings.
1703 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1705 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
1706 __register_frame_info_table_bases): Export.
1708 2001-05-16 Richard Henderson <rth@redhat.com>
1710 * except.c (eh_data_format_name): Move to ...
1711 * dwarf2asm.c: ... here. Use designated initializers if available.
1712 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
1713 * dwarf2asm.h: Update declarations.
1714 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
1715 ASM_PREFERRED_EH_DATA_FORMAT.
1716 (output_call_frame_info): Likewise. Use 'L' augmentation for
1719 * unwind-dw2-fde.h (struct fde_vector): New.
1720 (struct old_object): Rename from struct object.
1721 (struct object): New.
1722 (__register_frame_info_bases): Declare.
1723 (__register_frame_info_table_bases): Declare.
1724 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
1725 * unwind-dw2-fde.c (objects): Remove.
1726 (unseen_objects, seen_objects): New.
1727 (__register_frame_info_bases): New.
1728 (__register_frame_info): Use it.
1729 (__register_frame_info_table_bases): New.
1730 (__register_frame_info_table): Use it.
1731 (__deregister_frame_info): Rewrite for changed object struct.
1732 (base_from_object, get_cie_encoding, get_fde_encoding): New.
1733 (fde_unencoded_compare): Rename from fde_compare; uninline.
1734 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
1735 (start_fde_sort): Adjust for new definition of fde_vector.
1736 (fde_insert): Likewise.
1737 (end_fde_sort): Likewise. Select comparison function based
1738 on properties of the object.
1739 (fde_split): Take object and fde_compare_t arguments.
1740 (frame_heapsort, fde_merge): Likewise.
1741 (classify_object_over_fdes): Rename from count_fdes. Handle
1742 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
1744 (add_fdes): Handle encoded pointers.
1745 (init_object): Rename from frame_init. Update for new struct object.
1746 (linear_search_fdes): Rename from search_fdes. Handle encoded
1748 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
1749 (binary_search_single_encoding_fdes): New.
1750 (binary_search_mixed_encoding_fdes): New.
1751 (search_object): New.
1752 (_Unwind_Find_FDE): Update for new struct object. Fill in
1754 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
1755 iterating over EH data.
1756 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
1757 fde_encoding, lsda_encoding.
1758 (read_uleb128, read_sleb128): Remove.
1759 (read_encoded_pointer): Remove. All callers use read_encoded_value.
1760 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
1761 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
1763 * unwind-pe.h: Add "struct" to _Unwind_Context references.
1765 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1767 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
1768 * cpphash.c (_cpp_lookup_with_hash): Similarly.
1769 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
1770 cpp_spell_token, cpp_output_token): Similarly.
1771 * cpplib.c (lex_macro_node, do_undef, do_pragma,
1772 do_pragma_poison, parse_assertion, do_assert): Similarly.
1773 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
1774 save_parameter, _cpp_create_definition, check_trad_stringification,
1775 cpp_macro_definition): Similarly.
1776 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
1777 * c-lex.c (cb_undef, c_lex): Similarly.
1778 * fix-header.c (recognized_function): Similarly.
1779 * cpplib.h (NODE_LEN, NODE_NAME): New.
1780 (cpp_hashnode): Rename length len.
1782 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
1784 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1787 2001-05-16 Andreas Jaeger <aj@suse.de>
1789 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1791 * toplev.c: Include dwarf2asm.h for prototype of
1792 dw2_output_indirect_constants.
1794 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1796 * stmt.c (expand_asm_operands): Be able to offload addressof
1797 expression to memory. (PR optimization/185)
1799 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
1801 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
1802 applying distributive law.
1804 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1806 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1808 * gthr-dce.h (UNUSED): Attribute unused macro.
1809 (__gthread_key_dtor): Make arguments UNUSED.
1810 (__gthread_key_delete): Revise for compatibility with DRAFT4
1813 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1815 * doc/install.texi: Update AIX information.
1816 * README.RS6000: Remove obsolete file.
1818 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1819 Nathan Sidwell <nathan@codesourcery.com>
1821 * gcc.c (give_switch): Don't write before start of string.
1822 Always append suffix.
1824 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1826 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1829 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1831 * README.ALTOS: Remove obsolete file.
1833 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1835 * c-lex.h (save_and_forget_protocol_qualifiers,
1836 forget_protocol_qualifiers, remember_protocol_qualifiers):
1837 Remove deleted functions' prototypes.
1839 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1841 * c-parse.in (methodtype): New production.
1842 (methoddef, methodproto): Collapse separate '-' and '+'
1845 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1847 * c-common.h (RID_FIRST_PQ): New.
1848 * c-parse.in (objc_pq_context): New.
1849 (objc parser): Set objc_pq_context rather than calling
1850 remember_protocol_qualifiers and forget_protocol_qualifiers.
1851 Don't call save_and_forget_protocol_qualifiers.
1852 (yylexname): Handle objc protocol qualifiers here.
1853 * stringpool.c (struct str_header): Replace with sp_hashnode.
1854 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
1855 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
1856 Allocate an IDENTIFIER_NODE for each identifier.
1857 (FORALL_STRINGS, set_identifier): Delete.
1858 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
1859 (ggc_alloc_string): Use an obstack.
1860 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1861 * tree.h: Update comments.
1862 (set_identifier): Delete.
1863 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
1864 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
1865 remember_protocol_qualifiers): Delete.
1867 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
1869 * flow.c (life_analysis): After life analysis is complete, do
1870 an optional scan over insns looking for REG_LABEL notes that
1871 reference a deleted label.
1872 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1873 before peeking at LABEL_NUSES.
1875 2001-05-15 Richard Henderson <rth@redhat.com>
1877 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1878 (_Unwind_GetTextRelBase): New.
1880 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1882 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1884 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
1886 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
1887 so that CHOOSE_SECTION gets used.
1889 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
1890 TARGET_RELOCATABLE like flag_pic for now.
1892 2001-05-15 David Edelsohn <edelsohn@gnu.org>
1894 * rs6000.md (movdi splitter): Sign extend more efficiently.
1895 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
1896 to "long long" valid on 32-bit and 64-bit hosts.
1897 (logical_operand): Cast trunc_int_for_mode return value.
1898 (rs6000_emit_move): Shift macro to encapsulate variable.
1899 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
1900 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
1901 plus_constant requires signed argument.
1903 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1905 * gthr-posix.h: Make additional pthread-* functions weak.
1907 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1909 * recog.c (apply_change_group): Avoid unneeded validating.
1911 2001-05-14 David Edelsohn <edelsohn@gnu.org>
1913 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
1914 (num_insns_constant): CONST_INT can be 64-bits.
1916 2001-05-14 Stan Shebs <shebs@apple.com>
1918 * config/darwin.h (LIB_SPEC): Just use -lSystem.
1919 (LIBGCC_SPEC): Don't define.
1921 2001-05-14 Richard Henderson <rth@redhat.com>
1923 * configure.in (gcc_cv_as_eh_frame): New test.
1924 * config.in, configure: Rebuild.
1925 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1927 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1929 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1930 extended precision divide.
1932 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1934 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1935 for RETURNS as well.
1937 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1939 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
1940 (CPP_CPU??_SIZE_TYPE): New.
1941 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
1942 (CPP_CPU_SPEC): ... here; support choosing of CPU.
1943 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
1944 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
1946 * i386.c (override_options): Add sorry about not suported modes.
1948 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
1950 * config/pa/som.h (NM_FLAGS): Remove.
1951 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1952 (ASM_OUTPUT_SECTION_NAME): Remove.
1953 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1955 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1957 * regrename.c (regrename_optimize): Do not rename registers to
1960 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1962 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1963 contain MEMs. Remove useless distinction about clobbering
1966 2001-05-13 Geoff Keating <geoffk@redhat.com>
1968 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
1969 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
1970 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
1971 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1972 (EXCEPTION_SECTION): Define.
1974 2001-05-13 Zack Weinberg <zackw@stanford.edu>
1976 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
1977 binary backward compat only.
1978 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
1979 in LIB2FUNCS. Pass it to mklibgcc.
1980 * mklibgcc.in: Handle LIB2FUNCS_ST.
1982 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
1984 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1986 * tm.texi (THREAD_MODEL_SPEC): Document it.
1987 * gcc.c (main): Use it.
1988 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1989 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1991 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1993 * rtl.h (SYMBOL_REF_WEAK): New macro.
1994 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1995 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1996 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1997 * gcc.texi: Remove wrong description.
1999 2001-05-13 Mark Mitchell <mark@codesourcery.com>
2001 * Makefile.in (STAMP): New macro.
2002 Replace all uses of `touch' with $(STAMP).
2003 * fixinc/Makefile.in: Likewise.
2005 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2007 * configure.in: ldopen is never in -lexc, so don't test for it.
2008 Add test for exc_resume in -lexc for Ada.
2009 * configure: Regenerated.
2011 2001-05-12 Richard Henderson <rth@redhat.com>
2013 * dwarf2asm.c (size_of_encoded_value): New function.
2014 * dwarf2asm.h: Declare it.
2015 * except.c (output_function_exception_table): Align the TType
2016 array only as wide as the encoding.
2018 2001-05-12 Zack Weinberg <zackw@stanford.edu>
2020 * extend.texi: Document #pragma GCC java_exceptions.
2022 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2024 * c-parse.in (bison parser, init_reswords): Remove uses of
2026 * c-tree.h (doing_objc_thang): Remove.
2028 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2030 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
2031 about files not ending in newlines.
2033 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2035 * dwarfout.c (dwarfout_init): Add cast.
2036 * sched-deps.c (sched_analyze_insn): Remove unused vars.
2037 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
2039 * method.c (build_mangled_C99_name): Remove unused prototype.
2041 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2043 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
2045 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2047 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
2048 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
2050 2001-05-11 Richard Henderson <rth@redhat.com>
2052 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2053 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
2054 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
2055 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
2056 (dw2_output_indirect_constants): Prototype.
2057 * dwarf2out.c (dwarf2out_begin_prologue): Generate
2058 current_function_func_begin_label if we'll need it for EH. Exit
2059 early for IA64_UNWIND_INFO.
2060 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
2061 (eh_data_format_name): Update for indirect references.
2062 (output_function_exception_table): Care for IA64_UNWIND_INFO.
2063 Handle ASM_PREFERRED_EH_DATA_FORMAT.
2064 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
2065 define HAVE_eh_return etc.
2066 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
2067 (final_end_function): Don't call output_function_exception_table.
2068 * toplev.c (compile_file): Call dw2_output_indirect_constants.
2069 (rest_of_compilation): Invoke output_function_exception_table
2070 for ia64 before assemble_end_function.
2071 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
2072 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
2074 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
2075 * unwind.h: Declare them.
2076 * libgcc-std.ver: Export them.
2077 * unwind-pe.h: New file.
2079 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2081 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
2083 (find_fde_for_dso): Extract DT_PLTGOT.
2084 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
2085 the segment and gp as well.
2086 * config/ia64/frame-ia64.c: Remove file.
2087 * config/ia64/frame-ia64.h: Remove file.
2088 * config/ia64/unwind-ia64.c: New file.
2089 * config/ia64/unwind-ia64.h: New file.
2090 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
2091 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
2092 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
2093 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2094 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2095 (IA64_UNWIND_INFO): Re-enable.
2096 (HANDLER_SECTION): Remove.
2097 (EH_RETURN_DATA_REGNO): New.
2098 * config/ia64/ia64.md (exception_receiver): Remove.
2099 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
2100 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
2102 2001-05-11 Richard Henderson <rth@redhat.com>
2104 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
2105 calls and jumps to be bundled together.
2106 (ia64_reorg): Emit a break after a noreturn call that ends
2108 * config/ia64/ia64.md (break_f): New.
2110 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2112 * c-lex.c (lex_charconst): Convert into a simple wrapper
2113 around cpp_interpret_charconst, to which most of the code
2115 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
2116 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
2117 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
2118 (lex): Use cpp_interpret_charconst.
2119 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
2120 hex_digit_value): New functions.
2121 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
2122 * cpplib.h (cpp_interpret_charconst): New prototype.
2123 * Makefile.in: Update.
2125 2001-05-12 Dean Wakerley <dean@wakerley.com>
2127 * doc/install.texi: New file. Converted to texinfo from the HTML
2128 documentation in wwwdocs/htdocs/install.
2130 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
2132 * gcse.c (insert_insn_end_bb): Do not search for assignments to
2133 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2135 * toplev.c (compile_file): Move comment for opening output
2136 file to just before the code that opens the output file.
2138 2001-05-11 Jakub Jelinek <jakub@redhat.com>
2140 * regmove.c (regmove_optimize): Suppress the optimization for
2141 unchanging destination register. Add comment above function.
2143 2001-05-11 Zack Weinberg <zackw@stanford.edu>
2145 * Makefile.in: Exterminate all references to assert.h.
2146 * cross-make: Likewise.
2148 * configure.in: Correct commentary.
2149 * configure: Regenerate.
2151 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
2154 * config/t-freebsd, config/t-linux, config/t-linux-aout,
2155 config/t-netbsd, config/t-rtems, config/x-linux,
2156 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
2157 No need to override INSTALL_ASSERT_H.
2159 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
2160 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
2161 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
2163 2001-05-11 Graham Stott <grahams@redhat.com>
2165 * combine.c (simplify_comparison): Fix typo.
2167 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2169 * loop.h (struct movables): Remove `num'.
2170 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
2171 Adjust call to strength_reduce.
2172 (num_unmoved_movables): New function.
2173 (move_movables): Don't set movables->num.
2174 (strength_reduce): Compute the number of instructions in the loop
2175 here, rather than in the caller.
2176 (check_dbra_loop): Always clear reversible_mem_store if there
2177 are any memory sets.
2178 (loop_regs_scan): Don't count instructions here.
2179 (count_insn_in_loop): New function.
2181 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2183 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
2185 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
2187 * c-common.c (finish_label_expr): New function, lifted from
2188 from cp/semantics.c.
2189 * c-common.h (finish_label_expr, lookup_label): New prototypes.
2190 * c-parse.in: Move 3 blocks of parser code into new functions.
2191 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
2192 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
2193 (lookup_label): Remove.
2195 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
2197 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
2198 FLOAT_BIT_ORDER_MISMATCH.
2200 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2202 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
2203 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
2205 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2207 * expr.c (emit_group_load): extract_bit_field requires a REG or
2210 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
2212 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
2213 a computed jump into an unconditional jump.
2214 In second hunk of code for collapsing computed and conditional jumps
2215 into unconditional jumps, reemit the jump in additional cases.
2217 * jump.c (jump_optimize_1): Do not wrap the new jump target
2218 inside a LABEL_REF; gen_jump will do that automatically.
2220 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
2222 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
2223 contents for a SYMBOL_REF in case of floating point constants.
2225 2001-05-10 DJ Delorie <dj@redhat.com>
2227 * c-common.c (combine_strings): Widen strings in a
2228 host-endian-independent way.
2230 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
2232 * c-parse.in: Remove many shift/reduce conflicts. Update
2234 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
2235 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
2236 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
2237 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
2238 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
2239 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
2240 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
2241 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
2242 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
2243 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
2244 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
2245 typespec_reserved_nonattr, typespec_reserved_attr,
2246 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
2247 structsp_nonattr, components_notype, component_notype_declarator,
2248 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
2249 firstparm, setspecs_fp): New
2250 (typed_declspecs, reserved_declspecs, typed_typespecs,
2251 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
2252 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
2253 declmods_no_prefix_attr, nonempty_type_quals, structsp,
2254 type_quals): Remove. Users updated.
2255 (initdecls, notype_initdecls, after_type_declarator,
2256 parm_declarator, notype_declarator, absdcl1, components, ivars):
2257 Don't allow attributes at the start of a declarator; include them
2258 in the production containing the declarator instead. Always
2259 require type specifiers before trying to redeclare a typedef name.
2260 (typename): Allow for attributes but warn that they are ignored.
2261 (parmlist, firstparm, setspecs_fp): Include attributes in
2262 parmlist; suck them off the parser stack in firstparm using
2265 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
2267 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
2268 to determine if a block has an unconditional jump at its end.
2270 * jump.c (jump_optimize_1): When converting a conditional jump
2271 to an unconditional jump, build the jump using gen_jump instead
2272 of just modify operands in-place.
2274 2001-05-09 Zack Weinberg <zackw@stanford.edu>
2276 * cppinit.c (cpp_post_options): Shut off macro expansion if
2278 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
2279 IN_I directives only if the # is in column 1 and the directive
2280 name begins in column 2.
2281 * cppmain.c (scan_buffer): Insert a space between # and an
2282 identifier, when that identifier is a directive name.
2284 * tradcpp.c (struct file_buf): Add a pointer to the next entry
2285 in the header search path.
2286 (enum node_type): Add T_INCLUDE_NEXT.
2287 (directive_table): Add entry for include_next.
2288 (do_include_next): New function.
2289 (process_include): New routine, broken out of do_include.
2290 (finclude): Insert 'nhd' argument, to be copied into
2291 next_header_dir of the new buffer.
2292 (main): Adjust to match.
2293 * gsyslimits.h, limity.h: Un-indent #include_next.
2295 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
2297 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
2298 inclusion as a chapter of the GCC manual.
2299 * gcc.texi: Include objc.texi.
2300 * fdl.texi: Use @unnumberedsec for the addendum.
2301 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
2303 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2305 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
2307 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
2309 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
2310 handling of two-address insns.
2312 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
2314 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
2315 ../binutils/nm-new instead of ../binutils/nm.
2317 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2319 * i386.md (movdi splitter): Fix the splitting condition
2320 (float_extenddftf splitter): Fix mode.
2322 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
2324 * genrecog.c (write_switch): Avoid outputting of switch for
2325 types wider than int.
2327 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
2329 * reload1.c (copy_eh_notes): New function.
2330 (emit_input_reload_insns): Call it.
2331 (emit_output_reload_insns): Call it.
2333 2001-05-07 Zack Weinberg <zackw@stanford.edu>
2335 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
2337 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
2338 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
2340 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
2342 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
2344 * pa.md (interspace_jump): Revise comment.
2345 (builtin_longjmp): Block initial setup insns from delay slot of
2347 (builtin_setjmp_receiver): New expander to save and restore PIC
2350 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
2352 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
2354 * toplev.c (compile_file): Set up the output file before we call
2355 the various initializers for the compiler.
2357 * except.c (sjlj_mark_call_sites): Do not search for assignments to
2358 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2360 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
2361 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
2363 2001-05-06 Zack Weinberg <zackw@stanford.edu>
2365 * Makefile.in (tradcpp0): Correct typo in dependency list.
2367 2001-05-06 Geoff Keating <geoffk@redhat.com>
2369 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
2370 the link register if we're not going to use it.
2372 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
2373 (output_function_profiler): Likewise.
2375 2001-05-07 Alan Modra <amodra@one.net.au>
2377 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
2379 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
2381 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
2382 zero-extend it. Make abs_inc unsigned.
2384 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
2385 widest mode in narrowing and widening operations.
2387 * config/mips/mips.md: Sign extend CONST_INTs.
2389 2001-05-06 Andreas Jaeger <aj@suse.de>
2391 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
2392 (i386 Options): Document -momit-leaf-frame-pointer.
2394 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
2396 * c-typeck.c (internal_build_compound_expr): Check for
2397 array to pointer conversion just once.
2399 2001-05-05 Richard Henderson <rth@redhat.com>
2401 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
2403 2001-05-05 Richard Henderson <rth@redhat.com>
2405 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
2406 to the parent of the fixup region.
2408 2001-05-05 Jakub Jelinek <jakub@redhat.com>
2410 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
2412 * cpp.texi (__NO_INLINE): Document it.
2414 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
2416 * cppfiles.c (struct include_file): New member err_no.
2417 (find_or_create_entry): Set it.
2418 (open_file): Don't set fds to -2. Instead, use err_no to
2419 remember previous errors, if any.
2421 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2423 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
2424 between X and Y by using sequences of xgdx and xgdy.
2426 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2428 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
2429 of '!' for the 'D' alternative ('!' is too strong).
2430 ("*logicalsi3_silshl16"): Likewise.
2431 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
2432 ("movstrictsi"): Remove spurious '+'.
2433 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
2434 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
2435 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
2438 2001-05-04 David Edelsohn <edelsohn@gnu.org>
2440 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
2442 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
2444 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
2447 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2449 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
2452 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2454 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
2455 soft register, use ror instead of rol.
2457 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2459 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
2460 into account pre/post increment decrement for 68HC12.
2461 Fix other problems in replacement and fix call to reg_mentioned_p.
2463 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2465 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
2466 Put the soft registers in bss for 68HC12.
2467 (L_regs_d3_4): New for _.d3 and _.d4.
2468 (L_regs_d5_6): Likewise.
2469 (L_regs_d1_2): Likewise.
2470 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
2472 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2474 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
2475 to the pre-processor when -fshort-double is specified.
2476 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
2478 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2480 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
2481 (__mulsi3): Rewrite for 68HC12.
2482 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
2483 Mark 'x' constraint with earlyclobber to prevent a
2484 RELOAD_FOR_OTHER_ADDRESS to go in it.
2485 (mulhi3_m68hc12): New pattern.
2486 (mulhi3_m68hc11): Rename of mulhi3.
2487 (mulhi3): New expand for 68HC12 optimisation.
2488 (umulhisi3, mulhisi3): New patterns for 68HC12.
2490 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2492 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
2493 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
2494 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
2496 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2498 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
2499 constants cheap after reload.
2500 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
2502 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
2503 so that gcc prefers a shift by 16.
2504 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
2506 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
2508 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
2510 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2512 * alpha.h: NULL_PTR -> NULL.
2519 * i386.md: Likewise.
2522 * m68hc11.h: Likewise.
2523 * rs6000.h: Likewise.
2526 * sparc.h: Likewise.
2530 * final.c: Likewise.
2532 * recog.c: Likewise.
2534 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2536 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
2537 `bool' parameter to `int'.
2539 * hash.c (hash_lookup): Likewise.
2541 * hash.h (hash_lookup): Likewise.
2543 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
2545 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2547 * i386.c (x86_initialize_trampoline): Fix mode of constant.
2549 2001-05-03 Geoff Keating <geoffk@redhat.com>
2551 * invoke.texi (i386 Options): Delete references to -malign-jumps,
2552 -malign-loops, -malign-functions.
2553 * i386.c (ix86_align_funcs): Delete.
2554 (ix86_align_loops): Delete.
2555 (ix86_align_jumps): Delete.
2556 (override_options): Mark -malign-* as obsolete. Emulate their
2557 behaviour with the -falign-* options. Default -falign-* from
2558 the processor table.
2559 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
2560 patch of Wed May 2 13:09:36 2001.
2561 (LOOP_ALIGN): Delete.
2562 (LOOP_ALIGN_MAX_SKIP): Delete.
2563 (LABEL_ALIGN_AFTER_BARRIER): Delete.
2564 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
2566 2001-05-04 Andreas Jaeger <aj@suse.de>
2568 * except.h: Add prototype declaration for
2569 expand_builtin_init_dwarf_reg_sizes.
2571 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
2573 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
2575 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2577 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
2579 ("bitcmpqi2"): New pattern for bit-extract and test.
2580 ("bitcmphi"): New pattern for bitb/bita instructions.
2582 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
2584 * gccbug.in: Use a temporary directory when the mktemp command is
2587 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2589 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
2591 (INITIALIZE_TRAMPOLINE): Call it.
2592 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
2593 (TRAMPOLINE_TEMPLATE): Remove.
2594 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
2595 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
2598 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2600 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
2601 and crtendS.o with PIC.
2603 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2605 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2607 (___subdi3, ___adddi3): Use x instead of y as index register.
2608 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2609 (__memset, __memcpy): Likewise.
2610 (regs): Put the soft registers in bss for 68HC12.
2611 (abort): Use trap to abort for 68hc12.
2612 (__mulhi3, __mulhi32): Use emul for 68hc12.
2613 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2615 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2617 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2618 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2619 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2620 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2621 Set 68HC12 min offset to -65536.
2622 (print_operand): Put parenthesis arround the operand if it refers
2623 to a symbol having the same name as a register.
2624 (m68hc11_z_replacement): When z register is replaced by its
2625 equivalent soft register, force the insn to be re-recognized.
2626 (m68hc11_check_z_replacement): Fix the test when destination is
2627 the index register and z dies in the insn.
2628 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2630 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2632 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2633 costs according to processor variant.
2634 (m68hc11_shift_cost): New function to compute shift costs.
2635 (m68hc11_rtx_costs): Define costs according to processor variant.
2636 (m6811_cost): Costs for 68HC11.
2637 (m6812_cost): Costs for 68HC12.
2638 (COSTS_N_INSNS): Remove.
2640 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2641 (DEFAULT_RTX_COSTS): Remove.
2642 (CONST_COSTS): Define costs according to OUTER_CODE.
2643 (processor_costs): New struct to define costs.
2644 (m68hc11_cost): Pointer to current costs.
2646 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2648 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2649 and use m68hc11_notice_keep_cc when using leax/leay.
2650 (addhi3 split): Reject split if the insn is handled by
2652 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2653 push must be handled in a special way if the source operand uses
2654 sp as index register.
2655 (m68hc11_notice_keep_cc): New function.
2656 (m68hc11_gen_movhi): Use it when an insn changes a register but
2658 (m68hc11_gen_movqi): Fix move for 68HC12.
2659 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2661 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2663 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2664 and don't pass operands[0] to emit_library_call_value.
2666 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2668 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2669 (zero_extendsi split): Simplify and use (zero_extendhi).
2670 (*addhi3): Remove 'w' constraint since stack pointer is handled
2672 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2673 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2674 (*ashrhi3_const): Fix shift by 7.
2675 (*lshrsi3_const16): Fix template.
2676 (call, call_value): Fix constraint and predicate.
2678 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2680 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2681 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2682 (CC_REGNUM): Likewise.
2683 (*unnamed splits): Use above constants instead of hard coded numbers.
2684 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2685 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2686 (*return_16bit, *unnamed peepholes): Likewise.
2688 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2690 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
2691 rs6000/rs6000.h twice.
2693 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
2695 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
2696 (CPP_SPEC): Conditionally define MSDOS and GO32.
2697 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
2698 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
2700 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
2702 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2704 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
2706 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2708 * integrate.h (struct inline_remap): Add leaf_reg_map table.
2709 * integrate.c (expand_inline_function): Use xcalloc to allocate
2711 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
2714 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2716 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
2719 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2721 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
2722 linker if -mrelax is given.
2723 (TARGET_SWITCHES): Document -mrelax.
2725 Re-installed 2001-01-09's patch:
2726 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2727 if it's wider than long and the target's long is wider than the
2730 2001-05-02 David O'Brien <obrien@FreeBSD.org>
2732 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
2733 directly include rs6000/rs6000.h. Instead do it in tm.h.
2735 2001-05-02 Stan Shebs <shebs@apple.com>
2737 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
2738 NSConstantString for NeXT-style runtimes.
2739 (STRING_OBJECT_GLOBAL_NAME): New macro.
2740 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
2741 OCTI_STRING_CLASS_DECL.
2742 (constant_string_global_id): New macro.
2743 (string_class_decl): Ditto.
2744 (setup_string_decl): New function.
2745 (build_objc_string_object): Use it to build a NeXT runtime
2746 compatible string initializer.
2748 2001-05-02 Jakub Jelinek <jakub@redhat.com>
2750 * tradcpp.c (do_define): Make sure we don't walk past limit.
2752 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2754 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
2755 offsets if not REG_OK_STRICT.
2757 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
2758 (INT_REG_OK_FOR_INDEX_P): Likewise.
2759 (INT_REG_OK_FOR_BASE_P): Likewise.
2760 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
2761 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
2762 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
2763 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
2764 REG_OK_FOR_BASE_P. Take an additional parameter.
2765 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
2766 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
2767 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
2768 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
2769 rs6000_legitimate_address() and use it.
2770 * config/rs6000/rs6000.c: Update all callers.
2771 (rs6000_legitimate_address): New function.
2773 2001-05-02 David Edelsohn <edelsohn@gnu.org>
2775 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
2776 special_constant conditional blocks together.
2778 2001-05-02 Dale Johannesen <dalej@apple.com>
2780 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2782 (STRICT_ARGUMENT_NAMING): Define.
2783 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2784 function_arg_partial_nregs, setup_incoming_varargs): Remove
2785 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2788 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2790 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
2792 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2795 * expr.c (store_field): Do nothing except elaborate side-effects if
2798 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2800 * c-lex.c: NULL_PTR -> NULL.
2802 * emit-rtl.c: Likewise.
2804 * genpeep.c: Likewise.
2806 * mips-tdump.c: Likewise.
2807 * reload1.c: Likewise.
2808 * rtlanal.c: Likewise.
2810 * stor-layout.c: Likewise.
2811 * toplev.c: Likewise.
2813 2001-05-01 Per Bothner <per@bothner.com>
2815 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2816 call do_pending_stack_adjust before emiting label.
2818 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2820 * extend.texi: Fix typo.
2822 2001-05-01 Stan Shebs <shebs@apple.com>
2824 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2825 of UOBJC_MODULES_decl.
2826 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2827 (generate_descriptor_table): Ditto.
2828 (generate_protocols): Ditto.
2829 (generate_protocol_list): Ditto.
2830 (generate_classref_translation_entry): Ditto.
2832 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2834 * invoke.texi (Optimize Options): Add documentation for `--param
2835 max-delay-slot-insn-search' and `--param
2836 max-delay-slot-live-search' and reorder --param section.
2837 * params.def: Modify initial comment.
2838 * params.h (param_info): Add `help' member.
2839 * toplev.c (lang_independent_params): Include `help' description.
2840 (display_help): Print --param parameters.
2842 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2844 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
2845 Remove references to deleted files.
2846 (*-*-openbsd): No need to override xmake_file.
2847 (*-*-sysv4): Treat like *-*-sysv.
2849 * configure.in: Probe for ldopen in various places, and set up
2850 collect2 to be linked with them if found.
2851 Don't dink with Windows registry stuff unless $host_os is a
2852 Win32 os name. Check to see if we need -ladvapi32.
2853 * configure: Regenerate.
2855 * Makefile: Get rid of CLIB and HOST_CLIB.
2856 Substitute in COLLECT2_LIBS and link collect2 against its contents.
2857 * build-make: Get rid of HOST_CLIB.
2859 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2860 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2861 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2862 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
2863 config/rs6000/x-rs6000: Delete.
2865 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
2868 24 x-host fragments remain, 0 x-cpu, 3 top level.
2870 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2872 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
2873 * configure: Regenerate.
2875 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
2877 * Makefile.in (install-headers): Remove redundant dependency.
2879 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2881 * c-tree.texi (USING_STMT): Document.
2883 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2885 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
2886 * c-common.c: Likewise.
2887 * c-decl.c: Likewise.
2888 * combine.c: Likewise.
2889 * rs6000.c: Likewise.
2890 * except.c: Likewise.
2891 * explow.c: Likewise.
2893 * fold-const.c: Likewise.
2894 * function.c: Likewise.
2897 * integrate.c: Likewise.
2899 * objc/objc-act.c: Likewise.
2900 * recog.c: Likewise.
2901 * reg-stack.c: Likewise.
2902 * reload.c: Likewise.
2903 * reload1.c: Likewise.
2904 * simplify-rtx.c: Likewise.
2906 * varasm.c: Likewise.
2908 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
2910 * diagnostic.def: New file.
2911 * diagnostic.h (diagnostic_t): New enum.
2912 * Makefile.in (diagnostic.o): Depend on diagnostic.def
2914 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2916 * tsystem.h: Test only POSIX for availability of string.h
2918 * config.gcc (all systems): If USG appeared in xm_defines,
2919 change it to POSIX. If both USG and POSIX appeared, just
2920 delete USG. Remove unnecessary quotes around xm_defines
2922 (m68k-crds-unos*): Don't #define unos - tested nowhere.
2923 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
2924 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
2925 powerpc-*-linux*): No need to set xm_defines - handled by
2926 global settings for *-*-linux*.
2928 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2930 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
2931 Always include gstab.h, not system stab.h. Don't provide
2932 default definitions of N_CATCH or N_OPT. Always use the
2933 gstab.h variant of STAB_CODE_TYPE.
2934 * final.c: Don't include stab.h/gstab.h at all, or provide
2935 defaults for N_SLINE and N_SOL.
2937 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
2938 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
2940 * sdbout.c: Always include gsyms.h instead of system syms.h.
2942 * configure.in: No need to check for stab.h.
2943 * configure, config.in: Regenerate.
2944 * Makefile.in (final.o): Don't depend on gstab.h.
2946 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2947 Richard Henderson <rth@redhat.com>
2949 * extend.texi: Improve documentation of volatile asms.
2951 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2953 * c-tree.texi: Fix thinko.
2954 * gcc.texi: Likewise.
2956 2001-04-30 Richard Henderson <rth@redhat.com>
2958 * c-common.c (c_promoting_integer_type_p): New function, from the
2959 corpse of old macro. Properly promote too-small enumerations and
2960 booleans. Adjust all callers.
2961 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2962 (c_promoting_integer_type_p): Declare.
2963 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2964 * c-typeck.c: Likewise.
2965 (default_conversion): Remove now redundant boolean check.
2967 2001-04-30 Jan Hubicka <jh@suse.cz>
2968 Richard Henderson <rth@redhat.com>
2970 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2972 (combine_stack_adjustments_for_block): Don't combine stack
2973 allocation followed by deallocations. Handle grow-up stacks.
2975 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2977 * fdl.texi: New file.
2978 * c-tree.texi: Use the GFDL.
2979 * gcc.texi: Likewise.
2981 2001-04-30 Stan Shebs <shebs@apple.com>
2983 * invoke.texi: Add a section documenting Objective-C options.
2985 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
2987 * emit-rtl.c (try_split): Copy EH notes to sequence.
2989 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2991 * regmove.c (record_stack_memrefs): Catch all references to the
2994 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
2996 * Makefile.in (stmp-fixinc): quote shell assignment values
2998 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3000 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
3004 * prefix.c: Likewise.
3006 2001-04-28 Stan Shebs <shebs@apple.com>
3008 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
3009 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
3010 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
3011 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
3013 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
3014 (NEXT_OBJC_RUNTIME): Define.
3016 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
3018 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
3019 * simplify-rtx.c (simplify_gen_relational): Likewise.
3021 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
3023 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
3024 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
3026 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
3027 registers in SSE case; fix handling of the immediates.
3028 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
3029 operands to be in regsiters before reload.
3030 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
3031 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
3032 (abstf,absxf,negtf,negxf splitters): Compute
3033 properly the regnum for x86_64.
3034 (avsdf2_if_rex64): New.
3036 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
3038 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
3039 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
3040 into the constant pool.
3041 * jump.c (jump_optimize_1): Remove barrier successors after all
3042 the LABEL_NUSES counds have been computed.
3043 (delete_barrier_successors): When deleting a tablejump insn, also
3044 delete the jump table it uses.
3045 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
3048 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
3050 * pa.c (FRP): Remove erroneous white space in macro definition.
3052 2001-04-28 Andreas Jaeger <aj@suse.de>
3054 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
3056 * extend.texi: Likewise.
3057 * tm.texi: Likewise.
3059 2001-04-28 Andreas Jaeger <aj@suse.de>
3061 * md.texi: Use XX-bit instead of XXbit or XX bit where
3064 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
3066 * gcc.c (process_command): Allow -l lib in addition to -llib
3067 for POSIX compliance. This fixes PR c/2347.
3069 * invoke.texi: Update section on Link Options accordingly.
3071 2001-04-27 Zack Weinberg <zackw@stanford.edu>
3073 * function.c (purge_addressof_1): Remove the duplicate
3074 if (code == SET) block. Fold the two if (code == ADDRESSOF)
3077 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
3079 * except.c (expand_eh_region_start): Don't start a new block.
3080 (expand_eh_region_end): Don't end a block.
3081 * stmt.c (expand_end_bindings): Don't end EH blocks.
3082 (expand_decl_cleanup): Starting an EH region won't change the block.
3083 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
3084 (is_eh_region): Lose.
3087 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
3089 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
3091 * collect2.c (main): Add `-L' case to remove duplicate entries.
3092 (is_in_args): New function to check for a duplicate argument.
3093 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
3094 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
3095 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
3096 Define to be nonzero.
3098 2001-04-27 Andreas Jaeger <aj@suse.de>
3099 Richard Henderson <rth@redhat.com>
3101 * md.texi (Machine Constraints): Document additional i386
3102 constraints and fix description of "A".
3104 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
3106 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
3108 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
3110 * except.c (get_exception_filter): word_mode, not Pmode.
3112 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
3114 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
3115 common to other movsf patterns. Move up so that in future
3116 people who change the other patterns will change it too.
3117 (movsf_lo_sum): Allow even for soft-float; add appropriate
3119 (movsf_high): Likewise.
3120 (movsf_high+1): Allow even for soft-float.
3122 * function.c (expand_function_end): Always clobber the
3123 return registers, even if there is no return label.
3125 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3127 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
3129 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
3131 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
3132 (pushqi2_rex64, pushhi2_rex64): Add.
3134 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
3136 * except.c (expand_eh_region_end_cleanup): Force pending stack
3137 adjust before emitting label that branches around cleanup code.
3139 2001-04-26 H.J. Lu (hjl@gnu.org)
3141 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
3143 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
3145 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
3146 (ASM_OUTPUT_SECTION_NAME): Likewise.
3147 (ASM_WEAKEN_LABEL): Likewise.
3148 (UNIQUE_SECTION): Likewise.
3149 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3150 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3151 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
3152 (ASM_OUTPUT_SECTION_NAME): Likewise.
3153 (ASM_WEAKEN_LABEL): Likewise.
3154 (UNIQUE_SECTION): Likewise.
3155 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3156 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3157 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
3158 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
3159 (ASM_FILE_START): Likewise.
3160 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3161 (ASM_DECLARE_OBJECT_NAME): Likewise.
3162 (ASM_FILE_END): Likewise.
3163 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3164 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3165 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3166 (ASM_OUTPUT_CASE_LABEL): Likewise.
3167 (ASM_OUTPUT_SKIP): Likewise.
3168 (ASM_OUTPUT_ASCII): Likewise.
3169 (ASM_OUTPUT_IDENT): Likewise.
3170 (READONLY_DATA_SECTION): Likewise.
3171 (EXTRA_SECTIONS): Likewise.
3172 (EXTRA_SECTION_FUNCTIONS): Likewise.
3173 (SELECT_RTX_SECTION): Likewise.
3174 (SELECT_SECTION): Likewise.
3176 * config/mips/linux.h (INVOKE__main): Undefine.
3177 (CTOR_LIST_BEGIN): Likewise.
3178 (CTOR_LIST_END): Likewise.
3179 (DTOR_LIST_BEGIN): Likewise.
3180 (DTOR_LIST_END): Likewise.
3181 (SET_ASM_OP): Defined it to ".dummy".
3182 (ASM_OUTPUT_DEF): Defined.
3183 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
3185 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
3187 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
3188 assembler supports .p2align.
3190 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
3192 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
3194 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3196 * integrate.c (expand_inline_function): Check for error_mark_node
3199 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3201 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
3204 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
3206 * configure.in (configargs.h): Define thread_model.
3207 * configure: Rebuilt.
3208 * gcc.c (main): Print it with -v.
3210 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
3212 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
3213 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
3214 * gcc.1: Regenerate.
3216 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3218 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
3219 is_redundant_typedef): Use static inline instead of inline static.
3221 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
3223 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
3224 this directory is always searched.
3226 2001-04-25 Richard Henderson <rth@redhat.com>
3228 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
3229 of registers to restore along non eh_return path.
3231 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3233 * c-format.c (check_format_info_recurse): Handle
3234 PLUS_EXPR for format string.
3236 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3238 * config/ia64/ia64.h (CC1_SPEC): Define.
3239 * config/ia64/linux.h (CC1_SPEC): Define.
3241 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
3243 * emit-rtl.c (constant_subword): Also do sign extension in
3244 BITS_PER_WORD == 16 case.
3246 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
3248 * loop.c (try_swap_copy_prop): Go back to checking insn.
3250 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3252 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
3253 if check_mode is non-zero.
3255 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3257 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
3258 out and comparison sequence has been detected, put result into
3259 proper temporary pseudo.
3261 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3263 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
3264 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
3265 * libgcc2.c: Remove __dummy and __builtin_saveregs.
3266 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
3267 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
3268 for future reference.
3270 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
3272 * except.c (reachable_handlers): Step out one level from a RESX.
3274 * except.c (struct eh_region): Rename 'last' to 'resume'.
3275 (mark_eh_region, duplicate_eh_region_1): Adjust.
3276 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
3277 (build_post_landing_pads): Likewise.
3278 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
3279 (expand_eh_region_end_must_not_throw): Likewise.
3280 (connect_post_landing_pads): Thread (only) regions with non-deleted
3283 * except.c (expand_eh_region_end_cleanup): Save the EH return data
3284 registers around the cleanup.
3285 (get_exception_filter): New fn.
3286 (finish_eh_generation): Use it.
3288 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
3290 * c-semantics.c (add_scope_stmt): Don't call
3291 current_scope_stmt_stack multiple times.
3293 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3294 Nathan Sidwell <nathan@codesourcery.com>
3296 Lazy __FUNCTION__ generation.
3297 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
3298 RID_C99_FUNCTION_NAME): New _RIDs.
3299 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
3300 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
3301 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
3303 (function_id_node, pretty_function_id_node, func_id_node): Remove.
3304 (c99_function_name_decl_node, function_name_decl_node,
3305 pretty_function_name_decl_node, saved_function_name_decls):
3307 (struct language_function): Remove x_function_name_declared_p.
3308 (make_fname_decl): Remove a parameter.
3309 (declare_function_names): Remove prototype.
3310 (start_fname_decls, finish_fname_decls): Prototype.
3311 (fname_as_string): Likewise.
3312 (fname_string, fname_decl): Likewise.
3313 * c-common.c (make_fname_decl): Adjust.
3314 (struct fname_var_t): New struct.
3315 (fname_vars): New static array.
3316 (declare_function_name): Remove.
3317 (start_fname_decls, finish_fname_decls): New functions.
3318 (fname_as_string): New function from remnants of
3319 declare_function_name.
3320 (fname_string, fname_decl): New functions.
3322 * c-decl.c (c_function_name_declared_p): Remove.
3323 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
3324 don't call declare_function_name. Call start_fname_decls.
3325 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
3326 clobber the line number. Call finish_decl.
3327 (start_function): Call start_fname_decls.
3328 (finish_function): Call finish_fname_decls.
3329 Remove c_function_name_declared_p.
3330 (push_c_function_context): Don't push c_function_name_declared_p.
3331 (pop_c_function_context): Don't pop c_function_name_declared_p.
3332 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
3333 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
3334 (program): Call finish_fname_decls for C.
3335 (primary): Add VAR_FUNC_NAME.
3336 (reswords): Add slots for __FUNCTION__ et al.
3337 (rid_to_yy): Add mappings for __FUNCTION__ et al.
3338 (yylexname): If it's a STRING_FUNC_NAME generate the function name
3339 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
3340 * c-semantics.c (prune_unused_decls): Remove.
3341 (finish_stmt_tree): Don't call prune_unused_decls.
3342 (genrtl_decl_stmt): Don't prune unused decls here.
3344 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
3346 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
3347 constant pool, use the pool's SYMBOL_REF instead.
3349 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
3352 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
3354 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
3355 passing nested NOP_EXPRs to fold.
3357 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
3359 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
3361 2001-04-22 Mark Mitchell <mark@codesourcery.com>
3363 * loop.c (loop_delete_insns): Add prototype.
3365 2001-04-23 Phil Edwards <pme@sources.redhat.com>
3367 * configure.in: Remove ENABLE_STD_NAMESPACE.
3368 * config.in: Regenerated.
3369 * configure: Regenerated.
3371 2001-04-22 Stan Shebs <shebs@apple.com>
3373 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
3375 * config/rs6000/xm-darwin.h: Remove file.
3377 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3379 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
3380 (write_c_file_stat): Likewise.
3382 * dbxout.c (dbxout_init): Likewise.
3384 * profile.c (output_func_start_profiler): Likewise.
3386 2001-04-22 Philipp Thomas <pthomas@suse.de>
3388 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
3389 require it instead of the CVS version.
3390 * cpperror.c (v_message): Put a blank before the macro
3391 body to not confuse exgettext.
3393 2001-04-21 Mark Mitchell <mark@codesourcery.com>
3395 * flow.c (proagate_one_insn): Remove useless assignment.
3396 * jump.c (delete_insn): Tidy.
3397 * loop.c (try_copy_prop): When deleting an instruction with a
3398 REG_RETVAL note, delete the entire libcall sequence.
3399 (loop_delete_insns): New function.
3400 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
3401 we're not substituting into them yet.
3403 2001-04-21 Kazu Hirata <kazu@hxi.com>
3405 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
3407 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
3409 * config/i960/i960.c (signed_arith_operand): Likewise.
3411 * calls.c (expand_call): Fix a comment typo.
3413 2001-04-20 Zack Weinberg <zackw@stanford.edu>
3415 * configure.in: Probe for times, clock, struct tms, and clock_t.
3416 * configure, config.in: Regenerate.
3417 * timevar.c: Replace ifdef forest in get_time with (relatively)
3418 straightforward series of checks based on autoconf's probes.
3420 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
3422 * config/pa/som.h (NM_FLAGS): Define.
3424 2001-04-20 Bernd Schmidt <bernds@redhat.com>
3426 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
3428 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
3429 * ia64.c (nop_cycles_until): New function.
3430 (prev_cycle, prev_first, last_issued): New static variables.
3431 (ia64_sched_reorder): Additional arg for clock.
3432 On final scheduling pass, emit extra NOPs as needed.
3433 Set prev_first and prev_cycle.
3434 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
3435 (ia64_variable_issue): Set last_issued.
3437 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
3439 * config/i386/i386.c (ix86_expand_int_movcc,
3440 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
3442 2001-04-20 Geoff Keating <geoffk@redhat.com>
3444 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
3445 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
3446 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
3447 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
3448 ctrdi_internal6): In the short-branch case, this insn is only 4
3449 bytes long. Reported by Reza Yazdani <reza@apple.com>.
3451 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3453 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
3454 "=u" is used together with "st" resp. "st(1)" clobber.
3456 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3458 * gcse.c (gcse_main): Fix comment typo.
3459 (delete_null_pointer_check): Likewise.
3460 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
3461 * cse.c (cse_insn): Likewise.
3462 * function.c (fixup_var_refs_insns_with_hash): The sequence is
3465 2001-04-19 Zack Weinberg <zackw@stanford.edu>
3467 * toplev.c: Excise all code for the undocumented -dm option.
3468 (float_signal): Call signal just once, unconditionally.
3470 2001-04-19 Geoff Keating <geoffk@redhat.com>
3472 * fold-const.c (fold): Use first_rtl_op rather than
3473 TREE_CODE_LENGTH when looping over parameters of a tree.
3474 Correct strange grouping in test for evaluated SAVE_EXPR.
3476 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
3478 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
3479 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
3481 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
3482 name at 32 total characters.
3483 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
3484 functions in named sections -- data items can still go into unique
3485 sections, but they have normal names (ie $LIT$ and $DATA$).
3487 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
3490 2001-04-19 DJ Delorie <dj@redhat.com>
3492 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3493 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
3494 * config/i386/cygwin.h: Likewise.
3495 * config/i386/mingw32.h: Likewise.
3496 * config/vax/vms.h: Likewise.
3497 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
3499 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3500 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
3501 * config/i386/xm-cygwin.h: Likewise.
3502 * config/i386/xm-djgpp.h: Likewise.
3503 * config/i386/xm-mingw32.h: Likewise.
3504 * config/vax/xm-vms.h: Likewise.
3506 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
3507 instead of OBJECT_SUFFIX.
3508 * collect2.c (find_a_file): Look for files matching the extension
3509 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
3510 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
3511 TARGET_EXECUTABLE_SUFFIX.
3512 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
3513 (make_relative_prefix): Likewise.
3514 (convert_filename): Use TARGET_ suffixes throughout. Remove
3516 (process_command): Likewise.
3517 (do_spec_1): Likewise.
3518 * java/lang.c (init_parse): Likewise.
3520 * gcc.texi : Document four new options matching the pattern
3521 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
3522 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
3523 documentation for NO_AUTO_EXE_SUFFIX.
3525 2001-04-19 Mark Mitchell <mark@codesourcery.com>
3527 * toplev.h (struct lang_hooks): Allow decode_option to indicate
3528 that language-independent processing should not be done.
3529 * toplev.c (main): Adjust accordingly.
3531 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
3532 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
3534 * mips.md (reload_outputdi): Require that operand0 be a
3537 2001-04-19 Jakub Jelinek <jakub@redhat.com>
3539 * invoke.texi (-Wshadow): Clarify.
3541 2001-04-18 Mark Mitchell <mark@codesourcery.com>
3543 * loop.c (load_mems): Examine all the instructions in the loop
3544 before concluding that all jumps branch to the first instruction
3547 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
3549 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
3551 2001-04-18 Jakub Jelinek <jakub@redhat.com>
3553 * cpp.texi (-Wwhite-space): Remove.
3554 (-Wall): -Wall does not imply -Wwhite-space.
3556 2001-04-17 Zack Weinberg <zackw@stanford.edu>
3558 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
3559 use it instead of blindly generating a .stabs.
3560 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
3562 * xcoffout.c: Don't bother defining default for N_CATCH.
3563 (UNKNOWN_STAB): Use internal_error.
3564 (stab_to_sclass): Remove now-unnecessary aborts.
3565 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
3567 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
3569 * jump.c (mark_all_labels): Canonicalize the tail recursion
3570 label attached to CALL_PLACEHOLDER insns.
3572 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3574 * output.h (dump_flow_info, free_basic_block_vars,
3575 which_alternative): Delete redundant prototypes.
3577 * rtl.h (bss_section): Likewise.
3579 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
3581 * dbxout.c (N_OPT): Define if not available from <stab.h>
3583 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3585 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
3586 libraries and native K&R compilers.
3588 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3590 * c-typeck.c (convert_arguments): Don't check for width changes
3593 * invoke.texi (-Wtraditional): Update documentation.
3595 2001-04-16 Zack Weinberg <zackw@stanford.edu>
3597 * toplev.c (output_lang_identify): Delete.
3598 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
3599 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
3600 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
3601 after calling ASM_FILE_END.
3603 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
3604 Instead, unconditionally emit an N_OPT stab with string equal
3605 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
3607 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
3609 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
3610 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
3611 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
3612 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
3613 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
3614 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
3615 config/i370/i370.h, config/i386/beos-elf.h,
3616 config/i386/osf1elf.h, config/i386/osfrose.h,
3617 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
3618 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
3619 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
3620 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
3621 config/mips/iris6.h, config/mips/osfrose.h,
3622 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
3623 config/sparc/sp64-elf.h:
3624 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
3625 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
3627 * config/elfos.h, config/freebsd.h, config/linux.h,
3628 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
3629 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
3630 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
3631 of ASM_FILE_START which merely emit a .version directive. Delete
3632 definitions of ASM_FILE_END which merely emit an .ident directive.
3634 * config/avr/avr.h, config/vax/vax.h: Delete definition of
3635 ASM_IDENTIFY_GCC and move part of its logic into
3638 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
3639 config/sparc/linux-aout.h: Don't emit .version directive in
3642 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
3643 (output_file_start): Correct comment.
3645 * config/i386/osfrose.h: Don't emit trailing .ident directive.
3646 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
3648 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
3649 * config/rs6000/aix.h: Correct comment.
3651 * config/i386/i386afe.h: Delete.
3652 * config.gcc: Remove references to i386afe.h.
3654 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
3655 other macros deleted by this patch were undocumented.
3657 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
3659 * pa.md (reload_outdi): Operand 0 must be a non hard register.
3661 * pa.c (secondary_reload_class): SAR<->FP copies require a
3664 * install.texi (mips-mips-bsd): Update list of functions
3665 required to include memmove.
3666 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
3667 used functions to include memmove.
3669 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
3671 * i386.md (sqrtdf2): SFmode should be DFmode.
3673 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
3675 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
3676 (find_moveable_store): Likewise.
3678 2001-04-15 Jim Wilson <wilson@redhat.com>
3680 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
3682 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
3684 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
3685 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
3687 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
3689 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
3692 2001-04-14 Alan Modra <amodra@one.net.au>
3694 * pa.c (force_mode): New function.
3695 (emit_move_sequence): Use it instead of generating new rtx_REGs.
3697 2001-04-13 Jim Wilson <wilson@redhat.com>
3699 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
3700 (first_instruction): New static variable.
3701 (rtx_needs_barrier): Return 1 for alloc.
3702 (init_insn_group_barriers): Set first_instruction.
3703 (rws_sum): Delete duplicate definition.
3704 (group_barrier_needed_p): Return 0 when first_instruction true.
3705 (safe_group_barrier_needed_p): Save and restore first_instruction
3706 around group_barrier_needed_p call.
3708 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
3710 * expr.h (enum libfunc_index): Add LTI_memmove.
3711 (memmove_libfunc): Define macro.
3712 * optabs.c (init_optabs): Initialize memmove_libfunc.
3713 * expr.c (expand_assignment): Use memmove_libfunc instead of
3716 2001-04-13 Alan Modra <alan@linuxcare.com.au>
3718 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
3721 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3723 * Makefile.in (reg-stack.o): Depend on reload.h.
3724 (insn-attrtab.o): Depend on flags.h.
3726 * genattrtab (main): Include flags.h in insn-attrtab.c.
3728 * reg-stack.c: Include reload.h.
3730 * sparc.h (flag_pic): Delete redundant declaration.
3732 * output.h (flag_pic): Likewise.
3734 * tree.h (pedantic): Likewise.
3736 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3738 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
3740 * jump.c, regmove.c, toplev.c: Include reload.h.
3742 * reload.h (reload_cse_regs): Declare.
3744 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
3745 reload_cse_regs, init_reload, mark_home_live, reload,
3746 init_caller_save): Delete redundant prototypes.
3748 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3750 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
3752 * regclass.c, ssa.c: Include expr.h.
3754 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
3755 gen_move_insn): Delete redundant declarations.
3757 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3759 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
3760 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
3761 MAKEINFO and MAKEINFOFLAGS too.
3762 (stage4_build): Correctly order -B flags.
3764 2001-04-13 Alan Modra <amodra@one.net.au>
3766 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
3767 PIC_OFFSET_TABLE_SAVE_RTX.
3768 (zdepi_cint_p): Describe zdepi insn.
3769 Formatting and white space fixes throughout file.
3771 * pa.c (uint32_operand): Don't use long constant >= 2^32.
3772 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
3773 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
3774 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
3775 (output_64bit_and): Use plain `int's for shift counts.
3776 (output_64bit_ior): Likewise.
3777 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
3778 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
3781 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
3782 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
3783 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
3784 NEW_HP_ASSEMBLER into one. Kill warnings.
3786 * pa-gas.h: Delete file.
3787 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
3788 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
3789 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
3790 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
3792 * config/pa/mill32.S: New file.
3793 * config/pa/mill64.S: New file.
3794 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
3795 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
3796 * config/pa/t-linux64: New file.
3797 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
3798 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
3799 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
3801 * elfos.h (SELECT_SECTION): Undef before defining.
3802 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
3803 (LIB_SPEC): Remove -lmilli.
3804 (DBX_REGISTER_NUMBER): Remove.
3805 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
3806 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
3807 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
3808 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
3809 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
3810 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
3811 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
3812 TARGET_GAS): Define.
3813 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
3814 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
3815 regs if we don't have a prototype.
3816 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
3817 * pa.h (TARGET_ELF32): Default to 0 if undefined.
3818 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
3819 EH_RETURN_HANDLER_RTX): Define.
3820 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
3821 (DWARF_FRAME_REGNUM): Define.
3822 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
3823 * pa32-linux.h: New file.
3824 * pa64-linux.h: New file.
3826 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3827 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
3828 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
3829 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
3830 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
3831 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
3832 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3833 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3834 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
3835 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
3836 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3837 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
3838 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
3839 * pa64-hpux.h: New file.
3840 (ASM_FILE_START): Correct typo.
3841 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
3842 * config.gcc: Modify for above.
3844 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3846 * jump.c (jump_optimize_1): Don't delete dead stores here.
3847 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
3848 prior to running jump optimize before cse2.
3850 2001-04-12 Richard Henderson <rth@redhat.com>
3852 * Makefile.in (regmove.o): Depend on except.h.
3853 * regmove.c: Include it.
3855 2001-04-12 Stan Shebs <shebs@apple.com>
3857 * objc/objc-act.c: Remove all code ifdefed with the never-used
3858 macro OBJC_INT_SELECTORS.
3859 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3860 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
3862 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3864 * config/pa/quadlib.c: Add prototypes.
3866 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3868 * bitmap.h (debug_bitmap): Delete redundant prototype.
3870 * rtl.h (get_frame_size): Likewise.
3872 2001-04-12 Jim Wilson <wilson@redhat.com>
3874 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
3875 to just emit an fnorm.
3877 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3879 * c-common.h (truthvalue_conversion, type_for_mode,
3880 type_for_size): Delete redundant declarations.
3882 * c-lex.h (is_class_name): Likewise.
3884 * c-tree.h (pedantic, convert, getdecls, gettags,
3885 global_bindings_p, init_decl_processing, insert_block,
3886 maybe_build_cleanup, poplevel, print_lang_decl,
3887 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
3888 set_block, incomplete_type_error, build_function_call,
3889 lvalue_or_else, mark_addressable): Likewise.
3891 * expr.h (expand_tree_builtin): Likewise.
3893 2001-04-12 Mark Mitchell <mark@codesourcery.com>
3895 * invoke.texi: Document --param max-gcse-memory.
3897 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3899 * configure.in (errno): Check for declaration.
3900 * configure, config.in: Regenerated.
3902 * system.h (errno): Only declare if not already done.
3904 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3906 * recog.c (general_operand, immediate_operand,
3907 nonmemory_operand): Require CONST_INTs to be sign-extended
3908 values for their modes.
3910 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3912 * expmed.c (store_bit_field): Truncate CONST_INTs.
3913 (expand_mult_highpart, expand_divmod): Likewise.
3914 * expr.c (convert_modes, store_field): Likewise.
3915 * integrate.c (expand_inline_function): Use promote_mode() to
3916 determine whether to convert_modes() an argument as signed
3918 * optabs.c (expand_binop): Get CONST_INT operands
3919 sign-extended for their appropriate modes.
3920 * stmt.c (emit_case_nodes): Convert node values to the
3922 (expand_end_case): Convert minval and range to the appropriate
3924 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
3925 the iteration variable.
3926 * varasm.c (immed_double_const): Don't require words to be
3927 narrower than host wide ints to properly sign-extend
3930 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3932 * sh.md (builtin_setjmp_receiver): New expander.
3934 2001-04-12 David Edelsohn <dje@watson.ibm.com>
3936 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
3937 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
3938 for generating CONST_INT and CONST_DOUBLE.
3940 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3942 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3943 already sign-extended.
3944 (rs6000_emit_prologue): Make register iterator signed.
3945 (rs6000_emit_epilogue): Likewise.
3946 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
3948 (movsf split, movdf split): Sign-extend CONST_INTs.
3949 (movdi splits): Likewise.
3951 2001-04-12 Kelley Cook <kelley.cook@home.com>
3953 * config-lang.in (lang_dirs): Add in zlib.
3955 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
3957 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
3958 operands that make it to RTL.
3960 2001-04-11 Stan Shebs <shebs@apple.com>
3962 Add Darwin (Mac OS X kernel) native support.
3963 * config.gcc (powerpc-*-darwin*): Add native bits.
3964 * config/darwin.c: New file, generic Darwin support functions.
3965 * config/darwin.h: New file, generic Darwin definitions.
3966 * config/darwin-protos.h: New file, generic Darwin prototypes.
3967 * rs6000/darwin.h: New file, Darwin for PowerPC.
3968 * rs6000/t-darwin: New file, Darwin makefile fragment.
3969 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
3970 (TARGET_MACHO): Ditto.
3971 (rs6000_abi): Add ABI_DARWIN.
3972 (RS6000_REG_SAVE): Add ABI_DARWIN case.
3973 (RS6000_SAVE_AREA): Ditto.
3974 (FP_ARG_MAX_REG): Ditto.
3975 (RETURN_ADDRESS_OFFSET): Ditto.
3976 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
3978 (rs6000_emit_move): Add ABI_DARWIN cases.
3979 (print_operand): Ditto.
3980 (first_reg_to_save): Ditto.
3981 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
3982 (debug_stack_info): Ditto.
3983 (rs6000_emit_prologue): Ditto.
3984 (rs6000_emit_epilogue): Ditto.
3985 (output_profiler_hook): Ditto.
3986 (output_function_profiler): Ditto.
3987 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
3988 (output_mi_thunk): Add TARGET_MACHO case.
3989 (add_compiler_stub): Ditto.
3990 (output_compiler_stub): Ditto.
3991 (no_previous_def): Ditto.
3992 (output_call): Ditto.
3993 (machopic_output_stub): Ditto.
3994 (rs6000_machopic_legitimize_pic_address): Ditto.
3995 (toc_section): Ditto.
3996 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
3997 (macho_high): Ditto.
4000 (load_macho_picbase): Ditto.
4001 (call): Add TARGET_MACHO case to modify function.
4002 (call_value): Ditto.
4003 (call_nonlocal_sysv): Add ABI_DARWIN case.
4004 (call_value_nonlocal_sysv): Ditto.
4005 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
4007 (machopic_output_stub): Ditto.
4008 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
4010 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4012 * dwarf2out.c (modified_type_die): Don't create new types here.
4013 * tree.h (get_qualified_type): New function.
4014 (build_qualified_type): Adjust comment.
4015 * tree.c (get_qualified_type): New function.
4016 (build_qualified_type): Use it.
4018 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4020 * cpp.texi (-Wtraditional): Update description.
4022 * invoke.texi (-Wtraditional): Likewise.
4024 2001-04-11 Jim Wilson <wilson@redhat.com>
4026 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
4027 requires more than 64 bits of alignment.
4029 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
4031 * cpplib.c (do_line): Sanity check iff enable checking.
4033 2001-04-11 Richard Henderson <rth@redhat.com>
4035 * Makefile.in (insn-recog.o): Depend on toplev.h.
4036 (insn-emit.o, doloop.o): Likewise.
4037 * genrecog.c, genemit.c: Include toplev.h in generated file.
4038 * doloop.c: Include toplev.h.
4040 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4042 * Makefile.in (gcse.o): Depend on params.h.
4043 * gcse.c: Include params.h.
4044 (gcse_main): Don't do GCSE if doing so will take inordinate
4046 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
4047 * params.h (MAX_GCSE_MEMORY): New macro.
4049 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4051 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
4053 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
4055 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4057 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
4059 * real.h (ereal_atof, real_value_truncate, target_isnan,
4060 target_isinf, target_negative, assemble_real, debug_real): Delete
4061 redundant prototypes.
4063 * Makefile.in (ifcvt.o): Depend on toplev.h.
4065 * c-semantics.c: Include expr.h.
4067 * ifcvt.c: Include toplev.h.
4069 * expr.h (rtx_equal_p): Delete prototype.
4071 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
4072 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
4073 eliminate_constant_term, expand_complex_abs, find_single_use,
4074 make_tree, init_expr_once, init_optabs, supports_one_only):
4077 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
4078 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
4079 expand_assignment, store_expr, emit_line_note_after,
4080 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
4082 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
4084 * sparc-protos.h: Delete redundant prototypes.
4086 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
4088 * reload.c (push_reload): Add condition missed in SUBREG byte
4091 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4093 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
4095 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
4097 * i386.md (floatsisf_sse): Fix output template
4098 * i386.c (ix86_expand_fp_movcc)
4100 * reg-stack.c (emit_pop_insn): Handle complex modes.
4101 (move_for_stack_reg): Emit proper move mode.
4102 (subst_stack_regs_pat): Handle complex modes.
4104 2001-04-11 Jakub Jelinek <jakub@redhat.com>
4106 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
4108 2001-04-10 Richard Henderson <rth@redhat.com>
4110 * libgcc2.h (__terminate_func_ptr): Remove typedef.
4111 (__pure_virtual, __terminate, __terminate_set_func,
4112 __default_terminate, __throw_type_match, __empty,
4113 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
4114 __eh_rtime_match, __unwinding_cleanup, __rethrow,
4115 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
4116 Remove prototypes of deleted functions.
4118 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4120 * c-typeck.c (convert_arguments): -Wtraditional now activates
4121 -Wconversion warnings, except for changes in signed-ness.
4122 Detect complex<->int & int<->complex conversions as well.
4124 * invoke.texi (-Wtraditional): Document it.
4126 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4128 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
4129 * flow.c (set_block_for_new_insns): Remove needless cast and
4130 properly check for unset block number.
4132 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
4134 * function.c (purge_single_hard_subreg_set): Only check REGNO if
4135 the subreg was a hard register. Pseudos are left as subregs.
4137 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4139 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
4140 (LIB2ADD_ST): New macro, pass it to mklibgcc.
4141 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
4142 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
4143 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
4145 2001-04-09 Bo Thorsen <bo@suse.co.uk>
4147 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
4149 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4151 * output.h (set_block_num): Missed it earlier, remove deprecated
4154 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4156 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
4157 (load_killed_in_block_p): Change bb parameter from int to basic_block.
4158 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
4159 (handle_rd_kill_set): Change bb parameter from int to basic_block.
4160 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
4161 (expr_killed_p): Change bb parameter from int to basic_block, pass
4162 basic_blocks instead of ints as parameters.
4163 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
4164 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
4165 from int to basic_block, pass basic_blocks instead of ints as parms.
4166 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
4167 parameter from int to basic_block, pass basic_blocks instead of ints.
4168 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
4169 (insert_insn_end_bb): Change bb parameter from int to basic_block,
4170 pass basic_blocks instead of ints.
4171 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
4172 basic_blocks instead of ints as parameters.
4173 (pre_delete): Pass basic_blocks instead of ints as parameters.
4174 (hoist_expr_reaches_here_p): Change bb parameter from int to
4175 basic_block, pass basic_blocks instead of ints.
4176 (hoist_code): Pass basic_blocks instead of ints as parameters.
4177 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
4178 Change bb parameter from int to basic_block.
4179 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
4180 (insert_insn_start_bb): Change bb parameter from int to basic_block,
4181 pass basic_blocks instead of ints.
4182 (insert_store): Pass basic_blocks instead of ints as parameters.
4183 (replace_store_insn, delete_store): Change bb parameter from int to
4184 basic_block, pass basic_blocks instead of ints.
4185 (store_motion): Pass basic_blocks instead of ints as parameters.
4187 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4189 * basic-block.h (set_new_block_for_insns): New Prototype.
4190 (set_block_num): Delete prototype.
4191 * flow.c (set_block_num): Remove obsolete function.
4192 (set_block_for_new_insns): Set BB for single or multiple insns.
4193 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
4194 (process_insn_end_bb): Use set_block_for_new_insns or
4195 set_block_for_insn instead of set_block_num.
4196 (pre_insert_copy_insn): Use set_block_for_new_insns.
4197 (update_ld_motion_stores): Use set_block_for_new_insns.
4198 (insert_insn_start_bb): Use set_block_for_new_insns.
4199 (replace_store_insn): Use set_block_for_new_insns.
4201 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4202 Jeff Law <law@redhat.com>
4204 * alias.c (get_addr): Externalize.
4205 (canon_true_dependence): New function. Behaves like true_dependance
4206 except it already assumes a MEM has been canonicalized.
4207 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
4208 * gcse.c (struct ls_expr): Add load/store expressions structure.
4209 (modify_mem_list, canon_modify_mem_list): New variable.
4210 (gcse_main): Initialize & finalize alias analysis. Use enhanced
4211 load motion and store motion if requested.
4212 (alloc_gcse_mem): Allocate space for modify_mem_list array.
4213 (free_gcse_mem): Free the modify_mem_list array.
4214 (oprs_unchanged_p): Use load_killed_in_block_p.
4215 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
4216 (mems_conflict_for_gcse_p): New function. Don't kill loads
4217 with stores to themselves if its in the load/store expression list.
4218 (load_killed_in_block_p): New function.
4219 (canon_list_insert): New Function.
4220 (record_last_mem_set_info): Keep a list of all instructions which
4221 can modify memory for each basic block.
4222 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
4223 (oprs_not_set_p): Use load_killed_in_block_p.
4224 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
4225 (expr_killed_p): Use load_killed_in_block_p.
4226 (compute_transp): Do not pessimize memory references.
4227 (pre_edge_insert): Update stores for a load motion expression.
4228 (one_pre_gcse_pass): Check loads/stores for extra load motion.
4229 (ldst_entry): Find or create a ldst_expr structure.
4230 (free_ldst_entry): Free memory for an individual item.
4231 (free_ldst_mems): Free entire load/store expression list.
4232 (print_ldst_list): Print debug info.
4233 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
4234 (enumerate_ldsts): Assign integer values to each entry in list.
4235 (first_ls_expr): First expression in the list.
4236 (next_ls_expr): Next expression in the list.
4237 (simple_mem): Check if expression qualifies for ld/st expression list.
4238 (invalidate_any_buried_refs): Remove from expression list if its
4239 used in some other way we dont understand.
4240 (compute_ld_motion_mems): Find all potential enhanced load motion
4242 (trim_ld_motion_mems): Remove any expressions which are invalid.
4243 (update_ld_motion_stores): Copy store values to registers for loads
4244 which have been moved.
4245 (regvec, st_antloc, num_store): New global statics.
4246 (reg_set_info): Marks registers as set.
4247 (store_ops_ok): Verfies registers expressions are valid in a block.
4248 (find_moveable_store): Look for moveable stores in a pattern.
4249 (compute_store_table): Find stores in a function worth moving, maybe.
4250 (load_kills_store): Check dependance of a load and store.
4251 (find_loads): Find any loads in a pattern.
4252 (store_killed_in_insn): Check if a store is killed in an insn.
4253 (store_killed_after): Check is store killed after an insn in a block.
4254 (store_killed_before): Check is store killed before an insn in a block.
4255 (build_store_vectors): Generate the antic and avail vectors.
4256 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
4257 (insert_store): Add a store to an edge.
4258 (replace_store_insn): Replace a store with a SET insn.
4259 (delete_store): Delete a store insn.
4260 (free_store_memory): Free memory.
4261 (store_motion): Perform store motion.
4262 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
4263 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
4264 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
4265 (f_options): Add gcse-lm and gcse-sm.
4267 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
4269 * i386.c (expand_fp_movcc): Fix condition reversal code.
4271 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
4272 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
4273 (CLASS_MAX_NREGS): Use it.
4275 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
4276 handle properly complex values.
4277 (CLASS_MAX_NREGS): Likewise; update comment.
4279 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4281 * ia64.c (ia64_flag_schedule_insns2): New variable.
4282 (ia64_override_options): Initialize it. Clear
4283 flag_schedule_insns_after_reload.
4284 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
4286 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
4288 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
4289 Do not require source to match destination anymore;
4290 Add abort to the nontrivial cases that should be handled by split.
4291 (fix_trunc?fdi): Add SSE case for x86_64.
4292 (floatdi?f): Likewise.
4293 (floatdi?f_sse): New.
4294 (fix_trunc?fdi_sse): New.
4296 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
4298 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
4299 (DEBUG_ARANGES_END_LABEL): Ditto.
4300 (dwarfout_init): Generate length and version fields at the start
4301 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
4302 after the length field.
4303 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
4304 the .debug_aranges info.
4306 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4308 * i386.c (call, call_value): Make sure that resulting call_insn
4309 does have proper second operand.
4311 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
4313 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
4314 function. Remove include of sys/cygwin.h.
4316 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
4318 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
4319 (CPP_SPEC): Always search */include/w32api for header files.
4320 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
4321 (LINK_SPEC): Add "cyg" to the library search prefixes.
4323 2001-04-08 Philip Blundell <philb@gnu.org>
4325 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
4327 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
4329 * cpperror.c (print_location): Don't special case <stdin>.
4330 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
4331 WARNING, but we don't check if we're in system headers.
4332 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
4333 * cpplib.c (do_warning): Warn in system headers.
4335 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
4337 * mbchar.c: Include config.h first.
4339 2001-04-07 Zack Weinberg <zackw@stanford.edu>
4341 * config.gcc: Set default for xmake_file at top, not bottom.
4342 Change places that set xmake_file to "none" to set to the
4343 empty string instead, or remove them entirely if there is no
4344 default xmake_file for this cpu_type. Remove references to
4347 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
4348 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
4349 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
4350 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
4351 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
4352 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
4353 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
4354 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
4355 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
4356 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
4359 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
4360 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4361 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4362 config/mips/x-sysv, config/rs6000/x-aix31:
4363 Just set CLIB to -lld or -lmld, as appropriate.
4365 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
4366 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
4367 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
4368 config/mips/x-iris, config/pa/x-pa:
4369 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
4370 OTHER_FIXINCLUDES_DIRS.
4372 * config/i386/x-djgpp: Don't set LN or LN_S.
4373 * config/m88k/x-dolph: Don't define __m88k__.
4374 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
4375 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
4376 * config/i860/fx2800.h: No need to #undef SVR4.
4378 38 x-host fragments remain, 2 x-cpu.
4380 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4382 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
4384 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4386 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
4388 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4390 * configure.in: Add check for lstat.
4391 * configure, config.in: Regenerate.
4392 * cppinit.c (append_include_chain): Make empty path ".".
4393 * cpplib.c (do_line): Don't simplify #line paths.
4394 * cppfiles.c (remove_component_p): New function.
4395 (find_or_create_entry): Acknowledge stat () errors during
4396 path simplification.
4397 (handle_missing_header): Don't simplify paths.
4398 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
4399 the empty path untouched. Don't leave a trailing '/'.
4401 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
4403 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4404 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4406 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4408 * cppfiles.c (open_file): Fail directories silently, but
4409 with an errno of NOENT set.
4410 (read_include_file): Move the common exit code to the sole
4411 caller. Return an int indicating success or failure. Let
4412 open_file handle directories.
4413 (stack_include_file): If read_include_file fails,
4414 push a "null" buffer.
4416 2001-04-05 DJ Delorie <dj@redhat.com>
4418 * function.h (virtuals_instantiated): Declare.
4419 * function.c: (virtuals_instantiated): Make global.
4420 * calls.c (emit_library_call_value_1): Use
4421 virtual_outgoing_args_rtx only if it hasn't been instantiated.
4422 Otherwise, use the stack pointer directly.
4424 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4426 * i386.c (x86_initialize_trampoline): New global function.
4427 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
4428 (INITIALIZE_TRAMPOLINE): Move offline.
4429 * i386-protos.h (x86_initialize_trampoline): Declare.
4431 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4433 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
4434 (lea_0): Rename to lea_1.
4435 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
4436 (lea_general_?): Allow SImodes on TARGET_64BIT
4437 (lea_general_?_zext): New patterns.
4438 (call_1, call_1_rex64): Fix.
4440 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4442 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
4444 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4446 * i386.c (function_arg): Return constm1_rtx for last argument.
4447 (ix86_expand_prologue): Update gen_call calls.
4448 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
4449 * i386.md (call_pop): Likewise.
4450 (call): Second operand is VOIDmode.
4451 (call_0): Likewise; Support 64bits.
4452 (call_exp): New expander.
4453 (call_1): Get to the sync.
4454 (call_1_exp): New pattern.
4455 (call_value): Support 64bit.
4456 (call_value_exp): New pattern.
4457 (untyped_call): Update gen_call call.
4458 (call_value_pop): Disable for 64bit.
4459 (call_value_0_rex64): New pattern.
4460 (call_value_1_rex64): Likewise.
4462 2001-04-05 Bo Thorsen <bo@suse.de>
4464 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
4466 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
4468 * i386.md (*andsi_1+3): If used after reload, make sure the operand
4469 satisfies ANY_QI_REG_P.
4471 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4473 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
4476 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
4479 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4481 * config.gcc: Remove default for xm_file. Clean up local
4482 machine type handling. Remove settings of xm_file to
4483 something that doesn't exist. In the big switch, set xm_file,
4484 don't append to it (the value before the big switch is always
4485 null). Don't force build_xm_file or host_xm_file to have a value.
4486 * configure.in: Remove default for xm_file. Do not special
4487 case $cpu/xm-$cpu.h not existing.
4488 * configure: Regenerate.
4490 2001-04-04 Diego Novillo <dnovillo@redhat.com>
4492 * simplify-rtx.c (simplify_binary_operation): Check for overflow
4493 when folding integer division and modulo operations.
4495 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
4497 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
4498 instead of DWARF2_ADDR_SIZE for EH addresses.
4499 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
4502 2001-04-04 Richard Henderson <rth@redhat.com>
4504 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
4505 * config/ia64/t-glibc (LIB2ADDEH): Disable.
4506 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
4508 2001-04-04 Richard Henderson <rth@redhat.com>
4510 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
4511 * configure: Rebuilt.
4513 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4515 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
4516 push insns to delete to it instead of deleting them.
4517 (delete_null_pointer_checks): Delete insns from delete_list after
4518 all delete_null_pointer_checks_1 passes are done.
4520 2001-04-04 Richard Henderson <rth@redhat.com>
4522 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
4523 * configure: Rebuilt.
4525 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4527 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
4528 * config/romp/xm-romp.h: Delete.
4530 2001-04-04 Bernd Schmidt <bernds@redhat.com>
4532 * sched-deps.c (sched_analyze_insn): Partially revert March 27
4535 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4537 * emit-rtl.c (mark_label_nuses) Increment the label uses for
4538 all labels present in rtx.
4539 (try_split) Call new function for all split insns.
4541 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4543 * recog.c (validate_replace_rtx_1): Instead of aborting just make
4544 sure the change won't be validated.
4546 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
4548 * rtl.h (set_noop_p): Declare.
4549 * flow.c (set_noop_p): Move from here ...
4550 * rtlanal.c (set_noop_p): ... to here and enhance.
4551 * cse.c (delete_trivially_dead_insns): Use it.
4552 * gcse.c (hash_scan_set): Likewise.
4553 * jump.c (delete_noop_moves): Likewise.
4554 * recog.c (split_all_insns): Likewise.
4556 2001-04-04 Alan Modra <alan@linuxcare.com.au>
4558 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
4559 stack pointer via a LO_SUM. Ditto for setting a temp register
4560 used to save to the stack. Set cfa_temp when setting fp, and
4561 allow matches to cfa_temp in addition to cfa_store when saving
4562 regs. Handle POST_INC and LO_SUM register stores. Document the
4563 changes and errors in rule 12 doco.
4565 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
4566 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
4567 (load_reg): Move closer to epilogue code.
4568 (DO_FRAME_NOTES): Define to control the following..
4569 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
4570 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
4572 (hppa_expand_epilogue): Likewise.
4574 2001-04-03 Richard Henderson <rth@redhat.com>
4576 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
4577 * configure: Rebuild.
4579 2001-04-03 Richard Henderson <rth@redhat.com>
4581 * rtl.h (LCT_THROW): New.
4582 * calls.c (emit_library_call_value_1): Handle it.
4583 * except.c (connect_post_landing_pads): Use it.
4585 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4587 * gansidecl.h: Delete file.
4588 * configure.in: Change all refs to gansidecl.h to use
4589 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
4591 * configure: Regenerate.
4593 * Makefile.in (intl.o): Don't depend on gansidecl.h.
4594 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
4595 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
4596 Don't include gansidecl.h.
4597 * intl.c, main.c, version.c, fixinc/fixlib.h,
4598 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
4601 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4603 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
4606 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4608 * config/i386/xm-beos.h, config/i386/xm-isc.h,
4609 config/i386/xm-next.h, config/i386/xm-sco.h,
4610 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
4611 config/m88k/xm-m88k.h: Delete.
4613 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
4614 * config/romp/xm-romp.h: Don't define bcopy.
4615 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
4616 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
4618 * config.gcc: Remove references to deleted files.
4620 14 xm-host.h remain, 1 xm-cpu.h.
4622 2001-04-03 Jakub Jelinek <jakub@redhat.com>
4623 David S. Miller <davem@pierdol.cobaltmicro.com>
4624 Andrew MacLeod <amacleod@redhat.com>
4626 Use byte offsets in SUBREGs instead of words.
4628 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
4629 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
4630 to pass new argument.
4631 (add_stored_regs): Use subreg_regno_offset function.
4632 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
4634 (precompute_arguments): Use gen_lowpart_SUBREG.
4635 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
4636 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
4637 (simplify_set): Rework to use SUBREG_BYTE.
4638 (expand_field_assignment): Use SUBREG_BYTE.
4639 (make_extraction): Use SUBREG_BYTE.
4640 (if_then_else_cond): Use SUBREG_BYTE.
4641 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
4642 (gen_lowpart_for_combine): Compute full byte offset.
4643 * cse.c (mention_regs): Use SUBREG_BYTE.
4644 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
4645 (canon_hash): Use SUBREG_BYTE.
4646 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
4647 (gen_lowpart_if_possible): Formatting.
4648 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
4650 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4651 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4652 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4653 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4654 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4655 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4656 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
4657 certain invariants about SUBREGs the compiler creates.
4658 (gen_lowpart_SUBREG): New function.
4659 (subreg_hard_regno): New function to get the final register number.
4660 (gen_lowpart_common): Use SUBREG_BYTE.
4661 (gen_imagpart): Spacing nits.
4662 (subreg_realpart_p): Use SUBREG_BYTE.
4663 (gen_highpart): Use SUBREG_BYTE.
4664 (subreg_lowpart_p): Always compute endian corrected goal offset,
4665 even at the byte level, then compare against that.
4666 (constant_subword): New function, pulled out all constant cases
4667 from operand_subword and changed second argument name to offset.
4668 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
4669 and call constant_subword to do the work. Return const0_rtx if
4670 looking for a word outside of OP.
4671 (operand_subword_force): Change second arg name to offset.
4672 * expmed.c (store_bit_field): Use SUBREG_BYTE.
4673 (store_split_bit_field): Use SUBREG_BYTE.
4674 (extract_bit_field): Use SUBREG_BYTE.
4675 (extract_split_bit_field): Use SUBREG_BYTE.
4676 (expand_shift): Use SUBREG_BYTE.
4677 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
4678 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
4679 * flow.c (set_noop_p): Use SUBREG_BYTE.
4680 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
4681 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
4682 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
4684 (optimize_bit_field): Use SUBREG_BYTE.
4685 (purge_addressof_1): Use SUBREG_BYTE.
4686 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
4687 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
4688 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
4689 * gengenrtl.c (special_rtx): Add SUBREG.
4690 * global.c (mark_reg_store): Use SUBREG_BYTE.
4691 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
4692 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
4693 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
4694 final byte offset is congruent to subreg's mode size.
4695 (subst_constants): Use SUBREG_BYTE.
4696 (mark_stores): Use subreg_regno_offset function.
4697 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
4698 function and SUBREG_BYTE.
4699 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
4700 (reg_is_born): Use subreg_hard_regno.
4701 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
4702 endian correction code. Don't combine subregs unless resulting
4703 offset aligns with type. Fix subreg constant extraction for DImode.
4704 Simplify SUBREG of VOIDmode CONST_DOUBLE.
4705 (general_operand): Remove dead mode_altering_drug code.
4706 (indirect_operand): Use SUBREG_BYTE.
4707 (constrain_operands): Use subreg_regno_offset function.
4708 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
4709 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
4710 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
4711 * regs.h (REG_SIZE): Allow target to override.
4712 (REGMODE_NATURAL_SIZE): New macro which target can override.
4713 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
4714 on the entire subreg rtx.
4715 (push_reload): Use SUBREG_BYTE in comments and code.
4716 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
4717 for hard registers inside subregs.
4718 (operands_match_p): Use subreg_regno_offset.
4719 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
4720 containing hard regs.
4721 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
4722 corrections when fixing up MEM subregs.
4723 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
4724 subreg_regno_offset where appropriate.
4725 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
4726 byte endian corrections when fixing up MEM subregs.
4727 (subst_reloads): When combining two subregs, make sure final
4728 offset is congruent to subreg's mode size.
4729 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
4730 (refers_to_regno_for_reload_p): Use subreg_regno.
4731 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
4732 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
4733 correction code for memory subreg fixups.
4734 (forget_old_reload_1): Use subreg_regno_offset.
4735 (choose_reload_regs): Use subreg_regno.
4736 (emit_input_reload_insns): Use SUBREG_BYTE.
4737 (reload_combine_note_store): Use subreg_regno_offset.
4738 (move2add_note_store): Use subreg_regno_offset.
4739 * resource.c (update_live_status, mark_referenced_resources): Use
4740 subreg_regno function.
4741 (mark_set_resources): Use subreg_regno function.
4742 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
4743 (subreg_regno_offset, subreg_regno): Define prototypes.
4744 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
4745 (gen_lowpart_SUBREG): Add prototype.
4746 * rtl.texi (subreg): Update to reflect new byte offset representation.
4747 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
4748 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
4749 (reg_overlap_mentioned_p): Use subreg_regno.
4750 (replace_regs); Make sure final offset of combined subreg is
4751 congruent to size of subreg's mode.
4752 (subreg_regno_offset): New function.
4753 (subreg_regno): New function.
4754 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
4755 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
4756 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
4757 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
4758 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
4759 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
4760 (a29k_get_reloaded_address): Use SUBREG_BYTE.
4761 (print_operand): Use SUBREG_BYTE.
4762 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
4763 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
4764 (arm_reload_out_hi): Use SUBREG_BYTE.
4765 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
4766 instead of SUBREG_WORD.
4767 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
4768 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
4769 SUBREG creation to use byte offset.
4770 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
4771 inverted load insns): Fix explicit rtl subregs to use byte
4773 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
4774 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
4775 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
4776 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
4777 to use byte offsets.
4778 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
4779 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
4780 offsets, also make sure it is congruent to SUBREG's mode size.
4781 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
4782 unnamed ldob insn): Generate SUBREGs with byte offset.
4783 (zero_extendqihi2): SUBREG's are byte offsets.
4784 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
4785 (m68hc11_gen_highpart): Use SUBREG_BYTE.
4786 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
4787 zero-extendqisi2): Generate SUBREGs with byte offset.
4788 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
4789 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
4790 subregs in rtl to use byte offsets.
4791 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
4792 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
4793 (mips_move_2words): Use subreg_regno_offset.
4794 (mips_secondary_reload_class): Use subreg_regno_offset.
4795 * config/mips/mips.md (DImode plus, minus, move, and logical op
4796 splits): Fixup explicit subregs in rtl to use byte offsets.
4797 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
4798 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
4799 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
4800 rtl to use byte offsets.
4801 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
4802 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
4803 subregs to use byte offsets.
4804 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
4805 Fixup explicit subregs in rtl to use byte offsets.
4806 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
4807 and remove byte endian correction code.
4808 * config/sh/sh.c (output_movedouble): Use subreg_regno.
4809 (gen_ashift_hi): Use SUBREG_BYTE.
4810 (regs_used): Use subreg_regno_offset.
4811 (machine_dependent_reorg): Use subreg_regno_offset.
4812 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
4813 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
4814 (movdf_i4): Subregs are byte offsets now.
4815 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
4816 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
4817 (REGMODE_NATURAL_SIZE): Override.
4818 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
4819 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
4821 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
4822 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
4823 extendqidi2): Generate SUBREGs with byte offsets, also make sure
4824 it is congruent to SUBREG's mode size.
4825 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
4827 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
4828 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
4829 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
4830 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
4831 * config/v850/v850.c (print_operand, output_move_double): Use
4832 subreg_regno function.
4834 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4836 * configure.in (target_subdir): Use target_alias, not target.
4837 * configure: Rebuilt.
4839 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4841 * config/sh/crti.asm: Fix typos in comments.
4843 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4845 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
4846 TARGET_FAST_INDIRECT_CALLS.
4847 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
4849 (return_addr_rtx): Short circuit export stub matching when
4850 TARGET_NO_SPACE_REGS.
4851 (output_millicode_call): For out of range calls, make -fPIC
4852 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
4853 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
4854 * pa.md: Modify length attr calculation of all millicode insns to
4857 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
4859 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4860 Require at least 2.11 in the version test. Specifically check
4861 for and reject GAS version 2.10.90.
4862 * configure: regenerate.
4864 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4866 * pa.c (override_options): Remove PIC profiling warning.
4867 (hp_profile_labelno): Delete.
4868 (hp_profile_label_rtx): Delete.
4869 (hp_profile_label_name): Delete.
4870 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
4871 (output_function_prologue): Remove profiling code and all tests on
4872 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
4873 merge_sp_adjust_with_store can work for PIC and profiling.
4874 (hppa_expand_epilogue): Remove profile_flag test.
4875 (hppa_can_use_return_insn_p): Likewise.
4876 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
4877 cater for PROFILE_HOOK.
4878 (hppa_profile_hook): New function.
4879 * pa.h (FUNCTION_PROFILER): Now does nothing.
4880 (PROFILE_HOOK): Define.
4881 (hppa_profile_hook): Declare.
4882 (PROFILE_BEFORE_PROLOGUE): Delete.
4883 (ASM_OUTPUT_REG_PUSH): Delete.
4884 (ASM_OUTPUT_REG_POP): Delete.
4885 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
4886 r24. Accept function name operand, and use this and a locally
4887 generated label to calculate pc-rel offset to func start.
4889 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4891 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
4892 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
4895 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4897 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4898 LO_SUM cases to where they belong.
4900 2001-04-02 Richard Henderson <rth@redhat.com>
4902 * except.h (lang_eh_type_covers): Mark extern.
4903 (lang_eh_runtime_type): Likewise.
4905 2001-04-02 Zack Weinberg <zackw@stanford.edu>
4907 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
4908 gengenrtl.c: Wrap generated header in multiple-include guard.
4909 Improve error checking.
4911 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4913 * configure.in: Don't check for putenv.
4914 * configure: Regenerate.
4915 * gcc.c (putenv): Don't define.
4916 * vax/xm-vms.h: Handle putenv.
4918 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4920 * ifcvt.c (noce_emit_move_insn): New.
4921 (noce_try_store_flag, noce_try_store_flag_constants,
4922 noce_try_store_flag_inc, noce_try_store_flag_mask,
4923 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
4924 noce_try_abs): Use it.
4925 (noce_process_if_block): Likewise.
4926 For STRICT_LOW_PART, take mode from its SUBREG.
4928 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4930 * fold-const.c (fold): Before optimizing unsigned comparison with
4931 0x7fffffffU, make sure arg0 is integral type.
4933 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4935 * c-tree.texi: Document representation of wide strings.
4937 2001-04-01 Richard Henderson <rth@redhat.com>
4939 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
4941 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
4943 * i386.md: remove obsoleted comments.
4944 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
4945 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
4946 fix output template.
4948 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4950 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
4952 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4954 * loop.c (load_mems): When generating a load from a pseudo, update
4957 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4959 * i386.c (ix86_split_long_move): Use change address to compensate
4960 stack pointer change in push instruction.
4962 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4964 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
4965 instead of rtx_equal_p; fix the output template.
4967 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4969 * i386.c (ix86_expand_setcc): Support 64bit.
4970 (ix86_expand_int_movcc): Likewise.
4971 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
4974 * i386.md (allocate_stack_worker): Turn to expander.
4975 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
4977 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
4979 2001-03-29 Richard Henderson <rth@redhat.com>
4981 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
4983 2001-03-28 Matthew Hiller <hiller@redhat.com>
4985 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
4988 * MAINTAINERS: Added self.
4990 2001-03-28 Richard Henderson <rth@redhat.com>
4992 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4993 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
4995 2001-03-28 Jim Wilson <wilson@redhat.com>
4997 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
5000 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5002 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
5004 * tradcif.y (yyerror): Likewise. Add format specifier in call to
5007 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
5009 2001-03-28 DJ Delorie <dj@redhat.com>
5011 * Makefile.in (stage1_build): Revert CFLAGS patch.
5013 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
5015 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
5016 when multiplier or multiplicand is zero.
5018 2001-03-28 Bernd Schmidt <bernds@redhat.com>
5020 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
5022 * config/ia64/ia64.c (update_set_flags): New function, broken out of
5024 (set_src_needs_barrier): Likewise.
5025 (rtx_needs_barrier): For SET case, use these two functions. Rework
5026 PARALLEL case to handle all inputs before all outputs.
5027 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
5028 saw a label and no stop bit since then.
5029 (maybe_rotate, process_epilogue): Add prototypes.
5031 2001-03-28 Richard Henderson <rth@redhat.com>
5033 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
5034 not TARGET_TOC for special toc restore handling.
5035 * config/rs6000/rs6000.md (eh_return): Likewise.
5037 2001-03-28 Richard Henderson <rth@redhat.com>
5039 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
5040 current_function_calls_eh_return.
5041 (output_function_epilogue): Handle eh_return.
5042 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
5043 (EH_RETURN_DATA_REGNO): New.
5044 (EH_RETURN_STACKADJ_RTX): New.
5045 (EH_RETURN_HANDLER_RTX): New.
5046 * config/sparc/sparc.md (call/short branch peepholes): Check
5047 can_throw_internal instead of in_same_eh_region.
5049 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
5050 for eh_return data registers.
5051 (rs6000_emit_prologue): Save eh_return data registers.
5052 (rs6000_emit_epilogue): Force inline restores if eh_return.
5053 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
5054 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
5055 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
5056 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
5057 the target uses one.
5058 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
5059 (return_eh_si, return_eh_di): Remove.
5060 (eh_return): New, from corpse of eh_epilogue.
5061 (eh_set_lr_si, eh_set_lr_di): New.
5063 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
5064 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
5065 True for pic register if current_function_calls_eh_return.
5066 (ix86_expand_epilogue): Change "emit_return" argument into "style".
5067 Handle eh_return requirements.
5068 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
5069 (EH_RETURN_STACKADJ_RTX): New.
5070 * config/i386/i386.md (exception_receiver): Remove.
5071 (eh_return, eh_return_1): New.
5072 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5074 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
5075 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
5076 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
5077 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
5078 (EH_RETURN_DATA_REGNO): New.
5079 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
5080 * config/alpha/alpha.md (eh_epilogue): Remove.
5081 (exception_receiver): Use $26 for ldgp input.
5082 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5084 2001-03-28 Richard Henderson <rth@redhat.com>
5086 * except.c: Rewrite entirely for IA-64 ABI exception handling.
5087 * except.h: Likewise.
5089 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
5090 (LIB2ADDEHDEP): New.
5091 (LIB2FUNCS_EH): Remove.
5092 (LIB2ADD): Remove LIB2ADDEH.
5093 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
5094 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
5095 (crt{begin,end}[S].o): Likewise.
5096 (except.o): Update includes.
5097 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
5098 (libgcc2_c_dep): Use LIB2ADDEHDEP.
5100 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
5101 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
5102 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
5103 * builtins.c (expand_builtin): Implement it.
5104 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
5105 * c-common.c (c_common_nodes_and_builtins): Declare it.
5106 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
5107 * calls.c (libfunc_nothrow): Remove.
5108 (emit_library_call_value_1): Don't call it.
5109 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
5110 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
5111 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
5112 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
5113 (current_funcdef_number): Globalize.
5114 (output_call_frame_info): Emit frame data if an lsda is needed.
5115 Generate augmentation for personality routine. Don't play with
5117 (dwarf2out_begin_prologue): Record funcdef_number.
5118 * dwarf2out.h (current_funcdef_number): Declare.
5119 * expr.c (expand_expr): Update for except.h name changes.
5120 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
5121 * expr.h (LTI_throw, LTI_rethrow): Remove.
5122 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
5123 (LTI_eh_rtime_match): Remove.
5124 (LTI_unwind_resume, LTI_eh_personality): Add.
5125 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
5126 * final.c (final): Don't call check_exception_handler_labels,
5127 init_insn_eh_region, or free_insn_eh_region.
5128 (final_scan_insn): Always emit debug labels for
5129 NOTE_INSN_EH_REGION notes.
5130 * flags.h (flag_new_exceptions): Remove.
5131 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
5132 (record_active_eh_regions): Remove.
5133 (count_basic_blocks): Check all instructions for REG_EH_REGION.
5134 Use can_throw_internal.
5135 (find_basic_blocks_1): Likewise.
5136 (move_stray_eh_region_notes): Remove.
5137 (find_label_refs): No eh_return_stub_label.
5138 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
5139 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
5141 (delete_unreachable_blocks): Don't track deleted handlers.
5142 (flow_delete_block): Use maybe_remove_eh_handler.
5143 (delete_eh_regions): Remove.
5144 (merge_blocks): Don't check for eh region match.
5145 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
5146 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
5147 (init_propagate_block_info): Disable dead frame store optimization
5148 when current_function_calls_eh_return.
5149 (dump_bb): Don't print eh_beg, eh_end.
5150 * function.c (fixup_var_refs): No catch_clauses.
5151 (expand_function_end): Likewise. Call expand_eh_return before
5152 the return register use. Call sjlj_emit_function_exit_after.
5153 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
5154 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
5155 * ifcvt.c (dead_or_predicable): Remove eh region check.
5156 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
5157 Don't check for EH vs parameters.
5158 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
5159 (expand_inline_function): Call duplicate_eh_regions.
5160 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
5161 (copy_insn_notes): Remap REG_EH_REGION notes.
5162 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
5163 * integrate.h (struct inline_remap): Add local_return_label.
5164 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
5165 check_exception_handler_labels, nor exception_optimize.
5166 (find_cross_jump): No EH region check.
5167 * optabs.c (init_optabs): Update for changed eh libfuncs.
5168 * rtl.def (RESX): New.
5169 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
5170 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
5171 checks. Update for except.h name changes.
5172 (expand_cleanups): Likewise.
5173 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
5174 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
5175 (compile_file): Call init_eh before init_optabs. Don't
5176 output_exception_table here.
5177 (rest_of_compilation): Call convert_from_eh_region_ranges,
5178 convert_to_eh_region_ranges, output_function_exception_table.
5179 Don't emit_eh_context.
5180 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
5181 (EXC_PTR_EXPR): New.
5183 * md.texi (eh_epilogue): Remove.
5184 (eh_return): Document.
5185 * tm.texi (EH_RETURN_DATA_REGNO): Document.
5186 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
5188 * eh-common.h: Remove file.
5189 * frame-dwarf2.c, frame.c, frame.h: Remove files.
5190 * libgcc2.c (L_eh): Remove.
5192 * unwind-dw2-fde.c: New file, largely copied from frame.c.
5193 * unwind-dw2-fde.h: New file.
5194 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
5195 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
5196 * libgcc-std.ver: Update for eh symbols.
5198 2001-03-27 Richard Henderson <rth@redhat.com>
5200 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
5201 reduce false positives.
5202 (regmove_optimize): Disable if flag_non_call_exceptions.
5204 * stmt.c (expand_return): Remove always true predicate.
5205 (expand_decl_cleanup_no_eh): Remove dead code.
5207 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
5208 barrier code. Add a scheduling barrier if a non-call insn
5209 can throw internally.
5211 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
5212 Auto-inc addresses trap only if their base register does.
5214 * except.c (can_throw_internal): Rename from can_throw.
5215 * except.h, resource.c: Update references.
5217 * integrate.c (copy_insn_list): Use returnjump_p.
5218 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
5220 * function.h (struct function): Move all boolean valued fields
5221 to single bit fields at the end of the struct.
5223 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
5225 Rename asynchronous_exceptions to flag_non_call_exceptions.
5227 * gthr-single.h (UNUSED): New. Distinguish between how C
5228 and C++ mark unused function arguments. Use throughout.
5230 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
5231 value to target configuration header.
5232 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
5233 * config.in, configure: Rebuild.
5234 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
5235 configuration and target defines.
5236 (exceptions_via_longjmp): Remove.
5237 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
5238 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
5240 * except.h (flag_non_call_exceptions): Move ...
5241 * flags.h: ... here.
5243 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
5244 exceptions, put the note on the trapping instruction.
5246 * flags.h (flag_new_exceptions): Remove.
5247 * toplev.c: Don't set it.
5248 * final.c: Don't check it.
5249 * except.c: Provide stub definition.
5251 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
5252 (calculate_global_regs_live): Kill call-clobbered registers
5253 across exception edges.
5254 * reg-stack.c (convert_regs_1): Kill the entire target stack
5255 across non-call exception edges.
5257 * flow.c (cleanup_cfg): Take no argument.
5258 * output.h, sibcall.c, toplev.c: Update all calls.
5260 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5262 * configure.in: Don't check for bcopy.
5263 * configure, config.in: Regenerate.
5265 * system.h: Don't define or prototype bcopy, instead poison it.
5267 2001-03-27 Richard Henderson <rth@redhat.com>
5269 * function.c (expand_function_start): Set DECL_REGISTER on
5270 a pseudo used for DECL_RESULT.
5272 * rtl.h (LCT_NORETURN): New.
5273 * calls.c (emit_library_call_value_1): Handle it.
5275 2001-03-27 Stan Shebs <shebs@apple.com>
5277 * objc/objc-act.c (objc_init): Use dump_base_name.
5278 (gen_declaration): Clear the buffer arg.
5279 (gen_declaration_1): New function, body of gen_declaration.
5280 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
5281 (gen_method_decl): Ditto, plus always clear buffer arg.
5282 (error_with_ivar): Simplify.
5283 (warn_with_method): Ditto.
5284 (build_message_expr): Don't clear buffers.
5285 (dump_interface): Ditto.
5286 (objc_debug): Ditto.
5287 (build_keyword_selector): Clear the buffer by only zeroing
5289 (objc_implementation_context): Declare.
5290 (start_class): Warn about missing @end.
5291 (finish_objc): Ditto.
5293 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
5295 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
5297 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5299 * Makefile.in (SYSTEM_H): Define.
5300 Depend on $(SYSTEM_H), not system.h.
5302 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
5304 2001-03-27 Jim Wilson <wilson@redhat.com>
5306 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
5308 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
5309 (process_epilogue): New static function.
5310 (process_set): Call process_epilogue instead of emitting .restore
5312 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
5314 * flow.c (struct reg_cond_life_info): New fields orig_condition
5316 (init_propagate_block_info): Set new fields.
5317 (mark_regno_cond_dead): Set and use new fields.
5318 (flush_reg_cond_reg_1): Likewise.
5319 (and_reg_cond, case AND): Check for redundant AND conditions.
5320 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
5323 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
5325 * cppmacro.c (stringify_arg): Null terminate strings.
5327 2001-03-27 Zack Weinberg <zackw@stanford.edu>
5329 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
5330 inclusion style. xm-m68hc11.h no longer exists.
5331 * config/m68hc11/xm-m68hc11.h: Delete file.
5332 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
5334 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
5335 Don't define GCC_VERSION, N_, or PARAMS; don't include
5336 gansidecl.h or stdio.h. Define inhibit_libc here.
5337 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5338 Delete code conditioned on #if GCC_VERSION == 2095.
5340 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
5341 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5342 Delete code conditioned on #if GCC_VERSION == 2095.
5344 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5346 * system.h: Include symcat.h.
5347 (STRINGIFY): Don't define.
5349 * configure.in: Adjust comment.
5351 * builtins.c: Use STRINGX, not STRINGIFY.
5352 * gencheck.c: Likewise.
5353 * gengenrtl.c: Likewise.
5354 * protoize.c: Likewise.
5356 * cpplex.c: Don't include symcat.h.
5357 * cpplib.c: Likewise.
5359 * gansidecl.h (HAVE_STRINGIZE): Don't define.
5361 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5363 * c-typeck.c (digest_init): Fold init expression.
5365 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5367 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
5369 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5371 * except.c (eh_regs): Save results of build_pointer_type to a temp
5372 as FUNCTION_VALUE macro may evaluate its args multiple times.
5374 2001-03-26 Mark Mitchell <mark@codesourcery.com>
5376 * c-common.h (DECL_NUM_STMTS): New macro.
5377 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
5379 (pushdecl): Likewise.
5380 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
5381 * integrate.c (expand_inline_function): Don't check
5383 * print-tree.c (print_node): Don't print it.
5384 * toplev.c (rest_of_compilation): Don't try to inline when
5385 flag_no_inline is on.
5386 * tree.h (DECL_FRAME_SIZE): Remove.
5387 (tree_decl): Adjust accordingly.
5389 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5391 * combine.c (try_combine): Use memcpy, not bcopy.
5393 * genattrtab.c (expand_units): Likewise.
5395 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5397 * i386.md (push mem DI peep2): New.
5398 (mov 0, mov -1 peep2): Handle 64bit.
5399 (lea to arithmetics peep2): Handle 64bit leas.
5400 (rsp arithmetics to push/pop peep2s): New.
5402 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
5404 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5406 * i386.c (struct machine_function): Add save_varrargs_registers.
5407 (ix86_save_varrargs_registers): New macro.
5408 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
5409 (ix86_expand_prologue): Likewise.
5410 (ix86_emit_epilogue_esp_adjustement): Likewise.
5411 (ix86_expand_epilogue): Likewise.
5412 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
5413 (pro_epilogue_adjust_stack_1): New insn.
5414 (pro_epilogue_adjust_stack_rex64): Likewise.
5415 * i386.h (MASK_NO_RED_ZONE): New constant.
5416 (TARGET_RED_ZONE): New macro.
5417 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
5418 (RED_ZONE_SIZE): New constant.
5419 (RED_ZONE_RESERVE): New constant.
5421 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5423 * toplev.c (set_float_handler): Use memcpy, not bcopy.
5425 2001-03-25 Kazu Hirata <kazu@hxi.com>
5427 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
5430 (umodhi3): Likewise.
5433 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5435 * mkconfig.sh (DEFINES): Handle entries with '='.
5437 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
5438 Set xm_defines to MACRO=value instead.
5440 * i370/xm-mvs.h: Delete.
5442 * ns32k/xm-pc532-min.h: Likewise.
5444 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5446 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
5448 use ix86_expand_binary_operator
5449 (?sh??i_?): Disable for 64bit.
5450 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
5451 * i386.c (shiftdi_operand): New predicate.
5453 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
5454 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
5455 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
5456 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
5457 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
5458 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
5459 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
5460 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
5461 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
5462 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
5463 (rotldi3, rotrdi3): New expanders.
5465 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5467 * i386.md (movstrsi): Move offline.
5469 (strmovdi_rex64): New.
5470 (strmov?i): Accept 64bit.
5471 (strmov?i_rex64): New.
5472 (strmov?i_rex_1): New.
5473 (strmov?i_1): Disable for 64bit.
5474 (rep_mov?i_rex64): New.
5475 (rep_mov?i): Disable for 64bit.
5476 (clrstrsi): Move offline.
5477 (strset?i_rex64): New.
5478 (strset?i: Accept 64bit.
5479 (rep_stos?i): Disable for 64bit.
5480 (rep_stos?i_rex64): New.
5481 (strset?i_rex_1): New.
5482 (strset?i_1): Disable for 64bit.
5483 (cmpstrsi): Accept 64bit.
5484 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
5485 (cmpstrqi_nz_rex_1): New.
5486 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
5487 (strlensi): Move offline.
5489 (strlenqi_1): Disable for 64bit; fix constraints.
5490 (strlenqi_rex_1): New.
5491 * i386.c (ix86_adjust_counter): New static function.
5492 (ix86_zero_extend_to_Pmode): Likewise.
5493 (ix86_expand_aligntest): Likweise.
5494 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
5495 (ix86_expand_movstr): New global function.
5496 (ix86_expand_clrstr): New global function.
5497 (ix86_expand_strlen): New global function.
5498 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
5499 ix86_expand_strlen): Declare.
5500 (ix86_expand_strlensi_unroll_1): Delete.
5502 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
5504 * i386.md (cmpdi): Fix operand predicates.
5505 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
5506 cmpdi_1_insn_rex64): New patterns.
5507 (adddi3): Turn to expander.
5508 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
5509 (addsi3_carry_zext): New pattern.
5510 (adddi_?_rex64): New patterns and splitters.
5511 (addsi_?_zext): New patterns.
5512 (subsi3_carry_zext): New pattern.
5513 (subdi_?_rex64): New patterns and splitters.
5514 (iorsi_?_zext): New patterns.
5515 (iordi_?_rex64): New patterns and splitters.
5516 (iorsi_?_zext): New patterns.
5517 (iorsi_?_zext_imm): New patterns.
5518 (xorsi_?_zext): New patterns.
5519 (xordi_?_rex64): New patterns and splitters.
5520 (xorsi_?_zext): New patterns.
5521 (negdi*): New patterns.
5522 (one_cmpldi*): Likewise.
5523 (one_cmplsi*_zext, negsi*_zext): Likewise.
5524 (testqi_ext_3_rex64): New pattern.
5526 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
5528 * i386-protos.h (ix86_split_long_move): Return void.
5529 * i386.c (ix86_split_to_parts): Handle 64bit target.
5530 (ix86_split_long_move): Likewise.
5531 * i386.md (all calls to ix86_split_long_move): Update.
5533 2001-03-23 Richard Henderson <rth@redhat.com>
5535 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
5536 to avoid shadowing arguments.
5538 2001-03-23 Jakub Jelinek <jakub@redhat.com>
5540 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
5541 to variable names where DECL_NAME is different from
5542 DECL_ASSEMBLER_NAME.
5544 2001-03-23 Jim Wilson <wilson@redhat.com>
5546 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
5547 (assemble_alias): Call make_decl_rtl.
5549 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
5551 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
5553 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
5555 * extend.texi: Document the "java_interface" attribute.
5557 2001-03-22 Zack Weinberg <zackw@stanford.edu>
5559 * mkconfig.sh: Use a subshell with redirected stdout,
5560 instead of closing stdout and confusing commands that run
5561 afterward. Throw away output of cmp.
5563 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
5565 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
5567 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
5569 * i386.md (zero_extendsidi2_32): Break out from ...
5570 (zero_extendsidi2): ... here ; turn to expander.
5571 (zero_extendsidi2_rex64): New.
5572 (extendsidi2_32): Break out from ...
5573 (extendsidi2): ... here ; turn to expander.
5574 (extendsidi2_rex64): New.
5575 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
5576 (trunc?f?f splitters): Add 64bit versions.
5578 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
5580 * i386.md (pushsi, pushsi2_prologue): Disable.
5581 (pushsi2_rex64): New.
5582 (movabs?i_1_rex64, movabs?i_2_rex64): New.
5583 (movqi_ext_1): Disable for 64bit.
5584 (movqi_ext_1_rex64): New.
5585 (pushdi2_rex64): New pattern, peep2s and splitter.
5586 (pushdi2_prologue_rex64): New pattern.
5587 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
5589 (movdi splitters): Disable for 64bit.
5590 (movdi_1_rex64): New pattern, peep2s and splitters.
5591 (swapdi): New pattern.
5592 (pushsf): Disable for 64bit.
5593 (pushsf_rex64): New pattern and splitter.
5594 (pushdf_nointeger): Disable for 64bit.
5595 (pushdf_integer): Handle the 64bit case.
5596 (pushtf): Likewise; update splitters.
5598 2001-03-22 Richard Henderson <rth@redhat.com>
5600 * mkconfig.sh: Include insn-flags.h.
5601 * Makefile.in (CONFIG_H): Include insn-flags.h.
5602 (lots of objects): Remove insn-codes.h and insn-flags.h.
5604 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
5605 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
5606 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
5607 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
5608 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
5609 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
5610 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
5611 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
5612 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
5613 v850/v850.c, vax/vax.c:
5614 Don't include insn-flags.h.
5616 * diagnostic.c, expr.h, reload.c, toplev.c:
5617 Don't include insn-codes.h.
5619 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
5620 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
5621 c4x/c4x.c, i960/i960.c, mips/mips.c:
5622 Don't include insn-codes.h or insn-flags.h.
5624 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
5625 or insn-flags.h in the generated code.
5626 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
5627 (main): Forward declare struct rtx_def.
5629 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
5631 * invoke.texi (-ffast-math): Remove duplicate line about
5634 * gcc.texi: Remove more obsolete documentation of bugs and
5635 installation problems.
5637 2001-03-21 Kazu Hirata <kazu@hxi.com>
5639 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
5642 2001-03-20 Jason Merrill <jason@redhat.com>
5644 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
5646 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
5647 * varasm.c (CHKR_PREFIX): Likewise.
5649 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5651 * gcse.c (hash_scan_set): An expression is not anticipatible if it
5652 is part of a multi-SET insn.
5654 * cse.c (find_comparison_args): Remove previous change.
5655 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
5658 * config/i386/i386.md (conditional_trap): Remove warning.
5660 * recog.c (push_operand): Fix error in last change that caused
5661 undefined symbol on many targets.
5663 * sdbout.c: #include ggc.h.
5664 (sdbout_init): Move to end of file.
5665 Call ggc_add_tree_root for anonymous_types.
5666 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
5667 (sdbout_one_type): Use DECL_NAME for field name.
5668 * Makefile.in (sdbout.o): Show includes ggc.h.
5670 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
5672 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
5673 (override_options): Use properlimits for preferred_stack_boundary.
5674 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
5676 (ext_register_operand): Accept DImode.
5677 (load_pic_register): Abort on 64bit.
5678 (gen_push): Use Pmode instead of SImode.
5679 (ix86_save_reg): Pic reg is never used on 64bit.
5680 (ix86_expand_prologue): Likewise.
5681 (ix86_emit_save_regs): Use Pmode instead of SImode.
5682 (legitimate_address_p): Check displacement for 64bit.
5683 (print_operand): Avoid outputting of (%rip) on 64bit.
5684 (print_operand_address): Output (%rip) where possible.
5685 (split_di): Abort on 64bit registers.
5686 (ix86_expand_branch): DImode comparison is simple for x86_64.
5687 (memory_address_length): Recognize memory addresses formed using
5689 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
5691 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
5693 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
5695 * recog.c (push_operand): Recognize new format of push instructions.
5697 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
5699 * i386.md (pushqi1): New.
5700 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
5701 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5702 x86_64_immediate_operand, x86_64_immediate_operand,
5703 x86_64_zext_immediate_operand): Declare.
5704 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
5705 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5706 x86_64_immediate_operand, x86_64_immediate_operand,
5707 x86_64_zext_immediate_operand): define.
5708 * i386.h (PREDICATE_CODES): Add new predicates.
5710 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
5712 * i386.md (pophi1, popqi1, pushqi1): Remove.
5714 * expr.c (emit_single_push_insn): New function.
5715 (move_by_pieces): Accept NULL as destination for push instructions.
5716 (gen_push_operand): Kill.
5717 (emit_push_insn): Pass NULL when pushing; avoid updating of
5718 stack_pointer_delta.
5719 * expr.h (gen_push_operand): Kill.
5721 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5723 * rtl.texi (COMPARE): Clarify documentation and reference section
5726 2001-03-20 Stan Shebs <shebs@apple.com>
5728 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
5729 (get_object_reference): Ditto.
5730 (error_with_ivar): Use error_with_file_and_line.
5731 (warn_with_method): Use warning_with_file_and_line.
5733 2001-03-20 Tom Tromey <tromey@redhat.com>
5735 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
5737 2001-03-20 Mark Mitchell <mark@codesourcery.com>
5739 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
5740 variables that are TREE_PUBLIC, even if not TREE_STATIC.
5742 2001-03-20 DJ Delorie <dj@redhat.com>
5744 * Makefile.in (install-libgcc): Pass complete list of variables.
5745 (install-multilib): Ditto.
5747 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5749 * config/i386/cygwin.h: Declare ctor_section, dtor_section
5750 drectve_section, switch_to_section.
5752 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
5753 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
5754 i386_pe_mark_dllimport.
5756 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5758 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
5759 functions i386_pe_*.
5761 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
5762 i386_pe_* functions with char * arguments.
5764 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
5766 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
5768 (movsi_ie): Introduce fpul store.
5770 2001-03-20 Alan Modra <alan@linuxcare.com.au>
5772 * Makefile.in (OBJS): Remove hashtab.o.
5774 2001-03-19 Stan Shebs <shebs@apple.com>
5776 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
5777 * c-lang.c (maybe_objc_method_name): Ditto.
5778 * c-tree.h (maybe_objc_method_name): Remove decl.
5780 2001-03-19 Tom Tromey <tromey@redhat.com>
5782 * gcc.c (init_gcc_specs): Fix comment.
5784 2001-03-19 Mark Mitchell <mark@codesourcery.com>
5786 Compute DECL_ASSEMBLER_NAME lazily.
5787 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
5788 (DECL_ASSEMBLER_NAME_SET_P): New macro.
5789 (SET_DECL_ASSEMBLER_NAME): Likewise.
5790 (COPY_DECL_ASSEMBLER_NAME): Likewise.
5791 (set_decl_assembler_name): Declare.
5792 (lang_set_decl_assembler_name): Likewise.
5793 * tree.c (lang_set_decl_assembler_name): New variab.e
5794 (set_decl_assembler_name): New function.
5795 (init_obstacks): Set lang_set_decl_assembler_name.
5796 (build_decl): Don't set DECL_ASSEMBLER_NAME.
5797 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
5798 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
5799 where it's not necessary.
5800 (builtin_function): Likewise.
5801 (finish_decl): Likewise.
5802 * dbxout.c (dbxout_type_methods): Likewise.
5803 * ggc-common.c (ggc_mark_trees): Likewise.
5804 * profile.c (output_func_start_profiler): Likewise.
5805 * varasm.c (make_decl_rtl): Likewise.
5807 * cse.c (find_comparison_args): Update documentation. Fix
5808 mishandling of COMPARE operations.
5810 * tree.def (ABS_EXPR): Add documentation.
5811 * fold-const.c (fold): Improve folding of ABS_EXPRs.
5813 2001-03-19 Zack Weinberg <zackw@stanford.edu>
5815 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
5817 2001-03-19 Jakub Jelinek <jakub@redhat.com>
5819 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
5820 Remove ia32 linux PIC kludge and move it...
5821 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
5823 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
5825 * i386.md (absdf2 expander): Fix 64bit case.
5827 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
5829 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
5831 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
5833 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
5835 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5837 * README.X11: Remove obsolete file.
5839 2001-03-18 Anthony Green <green@redhat.com>
5841 * config/pj/pj.h: Remove some trailing commas.
5842 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
5844 2001-03-18 Richard Henderson <rth@redhat.com>
5846 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
5847 * calls.c: ... here.
5848 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
5849 defaults for them here.
5851 2001-03-17 Anthony Green <green@redhat.com>
5853 * config/pj/lib1funcs.S: Fix broken comment.
5854 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
5857 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
5859 * gcc.texi: Remove obsolete information relating to build and
5860 installation problems with enquire or the Pyramid C compiler.
5862 2001-03-17 Richard Henderson <rth@redhat.com>
5864 * dwarf2out.c (queue_reg_save): New.
5865 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
5866 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
5868 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
5869 (cfa, cfa_store, cfa_temp): Make static.
5870 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
5872 2001-03-17 Richard Henderson <rth@redhat.com>
5874 * integrate.h (struct inline_remap): Add local_return_label.
5875 * integrate.c (expand_inline_function): Initialize it and emit
5876 it after copy_insn_notes.
5877 (copy_insn_list): Don't store local_return_label here.
5878 (copy_insn_notes): New function split out from copy_insn_list.
5880 2001-03-17 Richard Henderson <rth@redhat.com>
5882 * dwarf2out.c (lookup_filename): Emit .file if the assembler
5883 is generating .debug_line.
5884 (dwarf2out_init): Add main_input_filename to the file table first.
5885 * configure.in (as_dwarf2_debug_line): Test with file number 1
5886 instead of file number 0.
5888 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5890 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
5891 (gen_rtx_combine): Deleted; all references changed as appropriate.
5892 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
5894 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
5896 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
5898 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
5901 2001-03-16 Jim Wilson <wilson@redhat.com>
5903 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
5904 then set it to LOC_REG (79) instead of aborting.
5906 2001-03-16 Phil Edwards <pme@sources.redhat.com>
5908 * gccbug.in: Remove high priority.
5910 2001-03-16 Richard Henerson <rth@redhat.com>
5912 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
5913 output with a space instead of deleting it.
5914 * configure: Regenerate.
5916 2001-03-16 Zack Weinberg <zackw@stanford.edu>
5918 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
5919 handles the gory details of converting an object file into
5920 something that's safe to grep.
5921 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5922 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
5923 newlines at either end of the string we're looking for.
5924 Make 'checking ...' message less stilted.
5925 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
5926 ARM in-memory layout and its hypothetical converse. Don't
5927 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
5928 HOST_WORDS_BIG_ENDIAN.
5930 * configure.in: Adjust for renamed macro. Move
5931 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
5932 * configure, config.in: Regenerate.
5934 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5936 * fixinc/Makefile.in: Set SHELL.
5938 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5940 * fixinc/fixincl.c (fix_with_system): Quote file names before
5941 passing them to shell.
5943 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5945 * Makefile.in: Use fix-header$(build_exeext) instead
5948 2001-03-16 Richard Henderson <rth@redhat.com>
5950 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
5951 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5952 (size_of_line_prolog): Remove.
5953 (output_line_info): Compute prologue size via label difference.
5954 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
5956 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
5957 assembler error when redefining file numbers.
5958 * config.in, configure: Rebuild.
5960 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
5961 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
5962 (dw2_asm_output_delta_uleb128): Likewise.
5963 (dw2_asm_output_delta_sleb128): Similarly.
5964 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
5966 2001-03-16 Michael Meissner <meissner@redhat.com>
5968 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
5970 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
5972 (BITMASK_LOWER16): Replacement for 0x0000ffff.
5974 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
5975 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
5976 being unsigned in ISO C and signed in traditional.
5977 (expand_prologue): Ditto.
5978 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
5980 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
5982 (divsi3,divdi3): Ditto.
5983 (modsi3,moddi3): Ditto.
5984 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
5985 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
5986 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
5989 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
5991 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
5992 SSE based conditional moves on LTGT/UNEQ conditions;
5993 Canonicalize EQ to NE.
5994 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
5995 (sse_mov?fcc_ne): New.
5997 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
5999 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6001 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
6002 register may be dead.
6004 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
6006 * Makefile.in (hash.o): Depend on CONFIG_H.
6008 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6010 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
6012 2001-03-15 Richard Henderson <rth@redhat.com>
6014 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
6015 (ASM_OUTPUT_DWARF_PCREL): New.
6016 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
6018 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6020 * cppfiles.c (stack_include_file): Use MAX of sysp.
6022 2001-03-15 Steve Ellcey <sje@cup.hp.com>
6024 * config.gcc (ia64*-*-hpux*): New case.
6025 * config/ia64/hpux.h: New file for HP-UX support.
6026 * config/ia64/t-hpux: New file for HP-UX support.
6028 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
6030 * fixinc/inclhack.def (irix_stdio_va_list): New.
6031 * fixinc/fixincl.x: Rebuilt.
6033 2001-03-15 Richard Henderson <rth@redhat.com>
6035 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
6036 if provided by the target.
6037 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
6038 (dw2_asm_output_addr): New.
6039 * dwarf2asm.h (dw2_asm_output_addr): Declare.
6040 * dwarf2out.c (output_cfi): Use it for program addresses.
6041 (output_call_frame_info, output_die): Likewise.
6042 (output_aranges, output_line_info): Likewise.
6044 2001-03-15 Bruce Korb <bkorb@gnu.org>
6046 * gcc.c(main): make more rigorous
6047 * collect2.c(main): guard against ignoring SIGCHLD
6048 * protoize.c(main): ditto
6049 * gcc/fixinc/fixincl.c(initialize): ditto
6051 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6053 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
6054 (sdbout_parms): Likewise.
6056 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
6058 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
6059 "widen" a destination that is already wider than a word. Also do
6060 not widen if LOAD_EXTEND_OP is NIL for the given mode.
6062 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6064 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
6066 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
6068 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
6070 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
6072 * i960.h (i960_maxbitalignment,
6073 i960_last_maxbitalignment): Declare.
6074 * i960.c (i960_maxbitalignment,
6075 i960_last_maxbitalignment): Make global.
6076 (process_pragma): Delete.
6077 (i960_pr_align, i960_pr_noalign): Move from here ...
6078 * i960-c.c: ... to this new file.
6079 * t-960bare (i960-c.o): New rule.
6080 * t-vxworks960 (i960-c.o): Likewise.
6081 * config.gcc (i960-*-*): Define c_target_objs and
6084 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6086 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
6087 without adding in rtx code and mode.
6089 * alias.c (init_alias_analysis): Don't use any rtx whose value
6090 varies as a known value.
6091 Delete a superfluous test.
6093 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
6095 (ia64_sched_reorder): Call maybe_rotate; also rotate after
6096 scheduling a stop bit.
6097 (ia64_emit_nops): Correctly handle ASMs.
6099 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6101 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
6103 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
6105 * cpp.texi: Update documentation for -include and -imacros.
6106 * cppfiles.c (struct include_file): Remove "defined" memeber.
6107 (find_or_create_entry): Make a copy of the file name, and
6109 (open_file): Update to ensure we use the simplified filename.
6110 (stack_include_file): Don't set search_from.
6111 (cpp_included): Don't simplify the path name here.
6112 (find_include_file): New prototype. Call search_from to
6113 get the start of the "" include chain. Don't simplify the
6115 (_cpp_execute_include): New prototype. Move diagnostics to
6116 do_include_common. Update.
6117 (_cpp_pop_file_buffer): Don't set defined.
6118 (search_from): New prototype. Use the preprocessor's cwd
6119 for files included from the command line.
6120 (read_name_map): Don't simplify the pathname here.
6121 * cpphash.h (enum include_type): New.
6122 (struct buffer): Delete search from. New search_cached.
6123 (_cpp_execute_include): Update prototype.
6124 * cppinit.c (do_includes): Use _cpp_execute_include.
6125 * cpplib.c (do_include_common): New function.
6126 (do_include, do_include_next, do_import): Use it.
6128 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6130 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
6131 contents of the RTL, to determine the name of the object.
6133 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6135 * tree.h (DECL_RTL): Allocate RTL lazily.
6136 (SET_DECL_RTL): New macro.
6137 (DECL_RTL_SET_P): Likewise.
6138 (COPY_DECL_RTL): Likewise.
6139 (DECL_RTL_IF_SET): Likewise.
6140 * varasm.c (make_decl_rtl): Add assertions about the kind of
6141 declaration we are processing.
6142 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
6143 (start_decl): Likewise.
6144 (finish_decl): Likewise.
6145 * c-semantics.c (emit_local_var): Likewise.
6146 * calls.c (expand_call): Likewise.
6147 * dbxout.c (dbxout_symbol): Likewise.
6148 * emit-rtl.c (unshare_all_rtl): Likewise.
6149 (unshare_all_decls): Likewise.
6150 (reset_used_decls): Likewise.
6151 * expr.c (store_constructor): Likewise.
6152 (safe_from_p): Likewise.
6153 (expand_expr): Likewise.
6154 * function.c (put_var_into_stack): Likewise.
6155 (instantiate_decls_1): Likewise.
6156 (assign_parms): Likewise.
6157 (expand_function_start): Likewise.
6158 (expand_function_end): Likewise.
6159 * ggc-common.c (gcc_mark_trees): Likewise.
6160 * integrate.c (function_cannot_inline_p): Likewise.
6161 (copy_decl_for_inlining): Likewise.
6162 (expand_inline_function): Likewise.
6163 (integrate_parm_decls): Likewise.
6164 (integrate_decl_tree): Likewise.
6165 * print-tree.c (print_node): Likewise.
6166 * reg-stack.c (stack_result): Likewise.
6167 * stmt.c (label_rtx): Likewise.
6168 (expand_return): Likewise.
6169 (expand_decl): Likewise.
6170 (expand_decl_cleanup): Likewise.
6171 (expand_anon_union_decl): Likewise.
6172 * toplev.c (check_global_declarations): Likewise.
6173 (rest_of_decl_compilation): Likewise.
6174 * tree.c (simple_cst_equal): Likewise.
6175 * objc/objc-act.c (generate_static_references): Likewise.
6177 2001-03-14 Zack Weinberg <zackw@stanford.edu>
6179 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
6180 gcc_AC_C_FLOAT_FORMAT): New macros.
6181 * configure.in: Add AC_PROG_CPP after CC tests;
6182 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
6183 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
6184 * configure, config.in: Regenerate.
6186 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
6187 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6188 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6189 config/i370/xm-linux.h, config/i370/xm-oe.h,
6190 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6191 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
6192 config/pa/xm-linux.h, config/pa/xm-pa.h,
6193 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
6194 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
6195 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
6196 config/we32k/xm-we32k.h: Delete.
6198 * config/i370/xm-mvs.h, config/m88k/m88k.h,
6199 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6200 config/vax/xm-vms.h: Don't define any of:
6201 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
6203 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
6205 * config.gcc: Remove references to deleted files.
6206 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
6207 FATAL_EXIT_CODE, which is the same between oe and mvs).
6209 2001-03-14 DJ Delorie <dj@redhat.com>
6210 Vladimir Makarov <vmakarov@redhat.com>
6212 * config/i960/i960.c (i960_function_prologue): Compute size of
6213 frame according to number of registers actually saved there.
6215 2001-03-14 Richard Henderson <rth@redhat.com>
6217 * expr.c (emit_move_insn_1): Fix else if around #endif.
6219 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
6222 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
6225 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
6227 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
6228 (override_options): Parse cmodel string.
6229 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
6230 * i386.h (TARGET_OPTIONS): Add "cmodel".
6231 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
6233 (ix86_cmodel_string, ix86_cmodel): Declare.
6235 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
6238 * i386.h (GENERAL_REG_P): Add missing REG_P.
6240 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
6242 * configure.in: Use $gcc_cv_as instead of $as.
6243 * configure: Regenerated.
6245 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
6247 * cppfiles.c (stack_include_file): Only increase the include
6248 count if we actually process the file properly, as opposed
6249 to treating it as length zero. Only call read_include_file
6250 if not DO_NOT_REREAD. Handle the -H include file output
6252 (read_include_file): Remove now redundant DO_NOT_REREAD check.
6253 (cpp_included, find_include_file): Simplify pathnames after
6254 remapping them. If remapping, don't use the remapped file
6255 name's buffer as our scratch buffer.
6256 (cpp_pop_file_buffer): Replace the multiple include macro
6257 only if it isn't yet set.
6258 (read_name_map): Simplify remapped names when reading in.
6259 (remap_filename): Move code to code path that uses it.
6260 (_cpp_simplify_pathname): Return the input pointer.
6261 * cpphash.h (_cpp_simplify_pathname): Update prototype.
6263 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6265 * expr.c (expand_expr): Revove bogus conditional.
6267 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
6269 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
6271 2001-03-14 Jakub Jelinek <jakub@redhat.com>
6273 * reg-stack.c (stack_result): Unconditionally use
6274 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
6276 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
6278 * expr.c (emit_move_insn_1): Split push of complex value when
6279 no suitable push instruction exist.
6281 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
6282 instead of QI_REG_P.
6284 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6286 * alias.c (handled_component_p, can_address_p): New functions.
6287 (get_alias_set): Use them.
6289 2001-03-13 Jim Wilson <wilson@redhat.com>
6291 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
6292 from 80 in try_locals code.
6293 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
6295 2001-03-13 Zack Weinberg <zackw@stanford.edu>
6297 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
6298 gcc_AC_C_LONG_LONG): New.
6299 * configure.in: Use them. Probe the size of short, int, long,
6300 and long long/__int64 if we have them. Move all the AC_C_*
6301 checks together, except gcc_AC_C_CHAR_BIT which has to go
6302 after AC_CHECK_HEADERS(limits.h).
6303 Take hwint.h out of host_xm_file and build_xm_file.
6305 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
6306 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
6307 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
6308 Move the HOST_WIDEST_INT setup logic here from system.h.
6309 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
6311 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
6312 is now handled by hwint.h.
6314 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
6315 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
6316 config/ia64/xm-ia64.h: Don't define any of:
6317 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
6318 HOST_BITS_PER_LONGLONG.
6320 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
6321 config/h8300/xm-h8300.h, config/mips/iris6.h,
6322 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
6323 config/sparc/xm-sp64.h: Delete.
6324 * config.gcc: Remove references to deleted files.
6326 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
6327 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
6328 * config/i370/xm-linux.h: Clarify floating-point situation in
6331 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
6333 * cppfiles.c (NO_INCLUDE_PATH): New macro.
6334 (find_include_file): Decide here which part of the include
6335 chain to start the search. Complain about an empty include
6336 chain in all cases apart from an abolsute file name.
6337 (_cpp_execute_include): Don't choose the search chain here.
6338 Don't call handle_missing_include in the case of an empty
6340 (_cpp_compare_file_date): Don't choose the search chain here.
6341 * cpplib.c (do_include_next): Move the in-main-file diagnostic
6342 here from _cpp_execute_include. Behave like #include if
6343 we're in the main file.
6345 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6347 * system.h (malloc, realloc, calloc, strdup): Only poison these
6348 tokens when IN_GCC is defined.
6350 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
6352 * i386.md (abs?f expander): Support SSE case.
6353 (abd?f_if): Add new "USE"; add splitters.
6355 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6357 * cpp.texi (poison): Explain the macro expansion exception.
6359 2001-03-13 Jakub Jelinek <jakub@redhat.com>
6361 * expr.c (store_expr): Add dont_store_target. If temp is already in
6362 target before copying to reg, don't store it into target again.
6364 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6366 * cppinternals.texi: Update for file handling.
6368 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6370 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
6371 2001-02-24 which broke building the Java library.
6372 * function.c (identify_blocks): Likewise.
6373 (all_blocks): Likewise.
6374 * integrate.c (integrate_decl_tree): Likewise.
6375 * print-tree.c (print_node): Likewise.
6376 * tree.h (BLOCK_NUMBER): Likewise.
6377 (struct tree_block): Likewise.
6379 2001-03-12 David Edelsohn <edelsohn@gnu.org>
6381 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
6382 __WCHAR_TYPE__ definition.
6383 (WCHAR_TYPE_SIZE): #undef before #define.
6385 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6387 * cppfiles.c: Update comments.
6388 (destroy_include_file_node): Rename destroy_node.
6389 (find_or_create_entry): New function.
6390 (open_file, _cpp_fake_include): Use it.
6391 (handle_missing_header): New function, broken out of
6392 _cpp_execute include. Don't segfault if there is no
6393 system or quoted path.
6394 (_cpp_execute_include): Use handle_missing_header.
6396 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6398 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
6399 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
6401 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6403 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
6404 unless anti_dependence says they are.
6405 * alias.c (objects_must_conflict): If neither has a type specified,
6408 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6409 David Billinghurst <David.Billinghurst@riotinto.com>
6411 * config/mips/iris5.h: Change WCHAR_TYPE to int.
6413 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
6415 * i386.md (trunctfdf2_2): Rename missnamed pattern.
6416 (*_one_bit): Remove type on the match_operand in attributes.
6418 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
6420 * i386.c: Commit forgotten hunk in previous patch.
6421 (regclass_map): Add extended registers.
6422 (dbx_register_map): Add missing frame register.
6424 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
6426 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
6428 * i386.md (x86_sahf_1): Disable for 64bit.
6429 (popsi*, pophi*): Likewise.
6430 (pushqi, pushhi): Likewise.
6431 (movdi, pushdi): Likewise.
6432 (zero extend DImode splitter): Likewise.
6433 (adddi, minusdi splitter): Likewise.
6434 (umulsidi): Likewise.
6436 (mulsidi): Disable for 64bit
6437 (lshift:DI/ashift:DI): Disable for 64bit.
6438 (loop patterns): Likewise.
6439 (call_pop, call_value_pop expanders and patterns): Likewise.
6440 (prologue_get_pc): Likewise.
6442 (fcmovDI pattern and splitter): Likewise.
6443 (movdfcc_1_rex64): New.
6445 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
6447 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
6448 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
6449 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
6450 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
6451 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
6452 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
6453 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
6454 (PUSH_ROUNDING): x86_64 rounds to 64bits.
6455 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
6456 (REGPARM_MAX): Set to 6 for x86_64.
6457 (SSE_REGPARM_MAX): Set to 16 for x86_64.
6458 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
6461 * (patterns that does use upper halves): Update constraints
6462 'q' to 'Q' and 'r' to 'R'.
6463 (cmpqi_ext_1): Disable for 64bit.
6464 (cmpqi_ext_3_insn): Likewise.
6465 (movqi_extzv_1): Likewsie.
6466 (addqi_ext_1): Liekwsie
6467 (testqi_ext_1): Liekwsie
6468 (andqi_ext_1): Liekwsie
6469 (xorqi_ext_1): Liekwsie
6470 (cmpqi_ext_1_rex64): New.
6471 (cmpqi_ext_3_insn_rex64): Likewise.
6472 (movqi_extzv_1_rex64): Likewsie.
6473 (addqi_ext_1_rex64): Liekwsie
6474 (testqi_ext_1_rex64): Liekwsie
6475 (andqi_ext_1_rex64): Liekwsie
6476 (xorqi_ext_1_rex64): Liekwsie
6478 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6480 * configure.in: Move check for unsigned enumerated bitfields
6481 to macro in aclocal.m4. Disable it for now.
6482 * configure, config.in: Regenerate.
6483 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
6484 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
6485 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
6486 kind above its first use.
6488 * config/xm-interix.h, config/alpha/xm-alpha.h,
6489 config/i370/xm-linux.h, config/i386/xm-beos.h,
6490 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
6491 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6492 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
6493 Don't define ONLY_INT_FIELDS under any circumstances.
6495 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
6497 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6498 config/sparc/xm-sysv4.h: Delete - now identical with some
6500 * config.gcc (hppa targets): Replace xm-pahpux.h and
6501 xm-papro.h with implicit xm-pa.h.
6502 (sparc targets): Replace xm-sysv4.h with implicit or explicit
6505 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
6507 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
6508 before reload_cse_noop_set_p.
6510 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6512 * config.gcc: Where xm-host.h used to include another
6513 xm-host.h, list the nested header directly in xm_file. Remove
6514 references to deleted files. Can now use sparc/xm-sp64.h for
6517 * config/xm-linux.h, config/arm/xm-linux.h,
6518 config/i386/xm-dos.h, config/i386/xm-gnu.h,
6519 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
6520 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
6521 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
6522 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
6525 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
6526 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
6527 bother to wrap #undef in #ifdef.
6528 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
6529 Don't include xm-linux.h.
6530 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
6532 * configure.in: Wrap regexps using [] in changequote block.
6533 Use expr : not echo | grep. Simplify regexps.
6534 * configure: Regenerate.
6536 56 xm-files remain, 22 xm-arch.
6538 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6540 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
6541 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6542 (local_index, local_rindex): Delete, use strchr/strrchr instead.
6543 (copy_object): Fix format specifier vs argument mismatch.
6545 * mips-tdump.c: Make local functions static.
6546 (rindex): Don't #undef.
6547 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6548 (fatal, fancy_abort): Delete.
6549 (read_seek): Avoid signed/unsigned compare.
6551 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6553 * combine.c (try_combine): Fix error in change to try original
6555 (gen_rtx_combine): Do same as gen_rtx for now.
6557 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6559 * configure.in: AC_SUBST xm_defines.
6560 * configure: Regenerate.
6561 * Makefile.in: Set DEFINES=$(xm_defines) when building
6564 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
6566 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
6567 (cpp_included, find_include_file): Update.
6568 (_cpp_compare_file_date): Make else unconditional.
6570 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
6572 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
6574 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6576 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
6577 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
6579 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
6581 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
6582 if it's a record type.
6584 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
6586 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
6587 mingw includes slightly.
6589 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6591 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
6592 #undef token before poisoning it.
6594 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6596 * alpha.c (check_float_value): Use memcpy, not bcopy.
6598 * m32r.c (m32r_sched_reorder): Likewise.
6600 * vax.c (check_float_value): Likewise.
6602 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6604 * toplev.c (file_name_nondirectory): Remove.
6605 * toplev.h: Similarly.
6606 * dwarf2out.c (compute_section_prefix): Use lbasename instead
6607 of file_name_nondirectory.
6609 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6611 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
6612 * mips-tfile.c: Don't #undef rindex; not used.
6614 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
6616 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
6617 (dbx64_register_map): Declare.
6618 (RETURN_ADDR_RTX): Fix for 64bit.
6619 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
6620 (INCOMING_FRAME_SP_OFFSET): Set to 8.
6621 * i386.c (dbx64_register_map): New global array.
6622 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
6623 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
6626 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6628 * cppfiles.c (search_from): Use lbasename.
6629 * mkdeps.c (deps_add_default_target): Use lbasename.
6631 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6633 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
6634 xcalloc in lieu of malloc, realloc & calloc.
6636 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
6638 * gengenrtl.c (xmalloc): Likewise.
6640 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
6641 really_call_* memory allocation routines.
6643 * stmt.c (check_for_full_enumeration_handling): Use
6644 really_call_calloc, not calloc.
6646 * system.h (really_call_malloc, really_call_calloc,
6647 really_call_realloc): Define.
6648 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
6650 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
6652 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
6654 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
6656 * configure: Rebuilt.
6657 * configure.in: Only use `lang_requires' for languages athat are
6660 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
6662 * invoke.texi: Fix typo.
6663 * gcc.1: Regenerate.
6665 2001-03-09 Zack Weinberg <zackw@stanford.edu>
6667 * configure.in: Prune nonexistent files from build_xm_file,
6668 xm_file, and host_xm_file lists. Warn unless they're
6670 Don't generate *config.h here.
6671 AC_SUBST all variables needed to generate *config.h.
6672 * configure: Regenerate.
6673 * mkconfig.sh: New helper script, from code removed from
6675 * Makefile.in: Zap all MALLOC variables - no longer used
6676 anywhere, and malloc.c doesn't exist.
6677 Substitute in variables needed to generate *config.h.
6678 Stop lying about the dependencies contained in CONFIG_H and
6680 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
6681 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
6682 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
6683 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
6684 $(TM_P_H), etc. as appropriate.
6686 * config.gcc: Zap references to deleted files.
6687 * ggc-none.c: Don't include rtl.h or tm_p.h.
6689 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
6690 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
6691 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
6692 config/i386/xm-linux.h, config/i386/xm-linux.h,
6693 config/i386/xm-next.h, config/i386/xm-openbsd.h,
6694 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
6695 Don't include i386/xm-i386.h.
6697 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
6698 config/i386/xm-i386.h, config/i860/xm-i860.h,
6699 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
6700 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6701 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
6702 Delete (empty except comments, #includes of other deleted
6703 files, and macros used nowhere).
6705 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
6707 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
6708 independent on TARGET_FLAGS.
6710 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
6712 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
6714 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
6716 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
6718 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
6719 LAST_REX_SSE_REG): define.
6720 (enum reg_class): Add 'LEGACY_REGS'
6721 (REG_CLASS_CONTENTS): Likewise; add extended registers.
6722 (SSE_REGNO_P): Recognize extended registers.
6723 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
6724 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
6725 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
6726 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
6727 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
6728 REG_OK_FOR_STRREG_P): Remove.
6729 (HI_REGISTER_NAMES): Add extended registers.
6730 (ADDITIONAL_REGISTER_NAMES): Likewise.
6731 (QI_REGISTER_NAMES): Add 8bit extended registers.
6732 (DEBUG_REG): Support extended registers.
6733 * i386.c (regclass_map): Add extended registers.
6734 (dbx_register-map): Likewise.
6735 (svr4_dbx_register_map): Likewise.
6736 (print_reg): Support extended registers.
6737 (print_operand): Support 64bit operands.
6739 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
6741 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
6742 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6743 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
6744 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
6745 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
6746 STACK_BOUNDARY): Set properly for 64bits.
6747 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
6748 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
6749 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
6750 (MOVE_MAX): Set to 16.
6751 (MOVE_MAX_PIECES): 8 for 64bit.
6752 (Pmode): Set to SImode.
6754 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
6756 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
6758 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
6760 * i386.h (mask_64bit): New constant.
6761 (target_64bit): New macro.
6762 (target_options): Add '64'/'32'
6763 (target_default): Define.
6764 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
6765 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
6766 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
6768 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
6770 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
6772 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
6774 * rtlanal.c (rtx_varies_p): Check operand 0 of a
6775 LO_SUM unless for_alias is set.
6777 2001-03-08 Stan Shebs <shebs@apple.com>
6779 * objc/objc-act.c: Fix old typos in comments, add comments for
6781 (hash_init): Fix file name in error message.
6782 (hash_enter): Ditto.
6783 (hash_add_attr): Ditto.
6784 (continue_class): Ditto.
6786 2001-03-08 Bruce Korb <bkorb@gnu.org>
6788 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
6789 wait4() can receive the signal.
6791 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6793 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
6795 * fixinc/fixincl.x: Regenerate.
6797 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6799 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
6801 * fixinc/fixincl.x: Regenerate.
6803 2001-03-08 Richard Henderson <rth@redhat.com>
6805 * configure.in (HAVE_AS_LEB128): New assembler check.
6806 * configure, config.in: Rebuilt.
6808 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
6810 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
6813 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6815 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
6816 references to the MAXPATHLEN macro.
6818 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
6819 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
6822 * config/i386/xm-gnu.h, config/xm-gnu.h,
6823 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
6824 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
6825 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
6826 and/or unused files.
6828 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
6829 doing so in various xm-*.h files.
6831 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6833 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
6835 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
6837 * configure.in (enable_shared): Support per-package shared-library
6839 * configure: Rebuilt.
6841 2001-03-07 David Edelsohn <edelsohn@gnu.org>
6843 * rs6000.md (cr logic): Add original POWER mnemonic alternative
6844 for crnot. Set operands[5] in splitter.
6846 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6848 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
6849 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
6850 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
6851 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
6852 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
6853 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
6854 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
6857 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
6858 config/i370/xm-i370.h, config/i386/xm-dgux.h,
6859 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6860 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6861 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
6862 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
6863 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
6864 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
6865 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
6866 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
6867 Delete unused and/or empty files.
6869 * config.gcc: Define USG in xm_defines as appropriate. Define
6870 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
6871 macro. Remove deleted xm-* files from $xm_files variable.
6873 2001-03-07 Tom Tromey <tromey@redhat.com>
6875 * configure: Rebuilt.
6876 * configure.in: Allow config-lang.in to set `lang_requires' to list
6877 of other required languages.
6879 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
6881 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
6883 (output_prologue): Use xmalloc not oballoc.
6884 (output_epilog): Free a29k_first_epilogue_insn when finished.
6885 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
6887 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
6889 * builtins.c (expand_builtin_mathfn): Check
6890 flag_unsafe_math_optimizations, not flag_fast_math.
6891 (expand_builtin): Likewise
6892 * combine.c (combine_simplify_rtx): Likewise.
6893 (simplify_if_then_else): Likewise.
6894 * cse.c (fold_rtx): Likewise.
6895 * flags.h: Remove flag_fast_math. Add
6896 flag_unsafe_math_optimizations and flag_trapping_math.
6897 * fold-const.c (negate_expr): Check
6898 flag_unsafe_math_optimizations, not flag_fast_math.
6899 (invert_truthvalue): Likewise.
6900 (fold): Likewise. Before associating operands, check that
6901 code == MULT_EXPR, not code != MULT_EXPR.
6902 * ifcvt.c (noce_try_minmax): Check
6903 flag_unsafe_math_optimizations, not flag_fast_math.
6904 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
6905 * invoke.texi: Document -funsafe-math-optimizations and
6906 -fno-trapping-math. Change documentation for -ffast-math.
6907 * jump.c (reversed_comparison_code_parts): Likewise.
6908 (rtx_equal_for_thread_p): Likewise.
6909 * optabs.c (emit_conditional_move): Likewise.
6910 * simplify-rtx.c (simplify_binary_operation): Likewise.
6911 (simplify_relational_operation): Likewise.
6912 (simplify_ternary_operation): Likewise.
6913 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
6914 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
6915 Add trapping-math and unsafe-math-optimizations entries to f_options.
6916 (set_fast_math_flags): New, sets flags for -ffast-math.
6917 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
6918 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
6919 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
6921 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6922 (alpha_emit_conditional_move): Initialize local_fast_math to
6923 flag_unsafe_math_optimizations, not flat_fast_math.
6924 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
6925 instead of setting flag_fast_math to 1.
6926 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
6928 * config/i386/i386.c (override_options): Likewise
6929 * config/i386/i386.md: Likewise.
6930 * config/m68k/m68k.md: Likewise.
6931 * config/mips/mips.md: Likewise.
6932 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
6933 (rs6000_generate_compare): Likewise.
6935 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6937 * Makefile.in: Set RANLIB to @RANLIB@.
6940 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6942 * fixinc/inclhack.def (djgpp_wchar_h): New test.
6943 * fixinc/fixincl.x: Regenerated.
6945 2001-03-07 Richard Henderson <rth@redhat.com>
6947 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
6949 2001-03-07 Richard Henderson <rth@redhat.com>
6951 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
6952 of block notes and exception handling notes.
6954 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
6955 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
6956 (compile_file): ... here.
6958 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6960 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
6962 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
6963 config.h now. Include libiberty.h to handle alloca.
6965 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6967 * c-parse.in (yylexname): New function, split out of _yylex.
6968 (objc_rid_sans_at): New table.
6969 (init_reswords): Initialize it.
6970 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
6971 retrieving the next token and checking it for significance as
6972 an ObjC keyword or string constant.
6974 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
6975 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
6977 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
6980 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
6982 * config/m68k/m68k.c (const_uint32_operand): Accept any
6983 const_int on a 32-bit host.
6985 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
6987 * objc/objc-act.c (init_objc): Set save_lang_status,
6988 restore_lang_status, and mark_lang_status.
6990 2001-03-06 Krister Walfridsson <cato@df.lth.se>
6992 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
6994 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
6996 * cppinternals.texi: Update.
6998 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7000 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7001 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
7002 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
7003 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7004 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
7005 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7006 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
7007 config/i386/xm-i386.h, config/i860/xm-i860.h,
7008 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7009 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
7010 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7011 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7012 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7013 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7014 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
7015 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7016 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
7017 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7018 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7019 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
7020 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
7021 match the defaults provided in hwint.h.
7023 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7024 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
7026 * config.gcc (xm_file): Don't set to files which are deleted.
7028 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
7029 guard this file against these macros being undefined.
7031 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7033 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
7034 and DECL_DEFER_OUTPUT on the decl we create, before calling
7035 rest_of_decl_compilation.
7037 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7039 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
7041 * configure, config.in: Regenerate.
7042 * config.gcc: Remove references to deleted files.
7044 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
7045 genrecog.c, rtl.c: Do not use alloca anywhere.
7047 * Makefile.in, build-make, system.h, config/x-interix,
7048 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
7049 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
7050 config/arc/xm-arc.h, config/arm/xm-arm.h,
7051 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7052 config/h8300/xm-h8300.h, config/i370/x-oe,
7053 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
7054 config/i386/x-ncr3000, config/i386/x-sco5,
7055 config/i386/xm-dgux.h, config/i860/x-sysv4,
7056 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
7057 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
7058 config/m68k/x-hp320g, config/m69k/x-mot3300,
7059 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
7060 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
7061 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
7062 config/m88k/x-sysv4, config/m88k/x-tekXD88,
7063 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7064 config/mips/x-iris, config/mips/x-iris3,
7065 config/mips/x-sni-svr4, config/mips/x-sysv,
7066 config/mips/xm-iris6.h, config/mips/xm-mips.h,
7067 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
7068 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
7069 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7070 config/pa/xm-papro.h, config/romp/xm-romp.h,
7071 config/rs6000/x-aix31, config/rs6000/x-aix41,
7072 config/rs6000/x-beos, config/rs6000/x-lynx,
7073 config/rs6000/x-mach, config/rs6000/x-rs6000,
7074 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
7075 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7076 config/sparc/x-sysv4, config/sparc/xm-linux.h,
7077 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
7078 config/vax/xm-vms.h: Eradicate all references to alloca and
7081 * config/xm-alloca.h, config/clipper/x-clix,
7082 config/i386/xm-sysv4.h, config/i860/x-fx2800,
7083 config/i860/x-sysv3, config/m88k/x-sysv3,
7084 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
7085 (contained only alloca related hacks).
7087 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
7090 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
7092 * invoke.texi: Document __FAST_MATH__.
7094 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7096 * crtstuff.c: Restore include of auto-host.h.
7098 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
7100 Put main() in a separate file, so that the language
7101 front-end can use a different main().
7104 * toplev.c: (main): Rename as toplev_main.
7105 * toplev.h: Declare toplev_main.
7106 * Makefile.in (OBJS): add toplev.o.
7107 (BACKEND): remove toplev.o, add main.o.
7109 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7111 * cppfiles.c (search_from): Special case the empty string.
7113 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7115 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
7116 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
7117 strlen or strcpy; we already know the length.
7118 (_cpp_compare_file_date): Similarly.
7119 * cpphash.h (struct cpp_reader): Delete done_initialising.
7120 (CPP_PREV_BUFFER): Delete.
7121 * cppinit.c (cpp_start_read): Don't set done_initialising.
7122 * cpplex.c (parse_string): Guarantee null-termination.
7123 (_cpp_equiv_toklists): Remove.
7124 * cpplib.c (glue_header_name): Null-terminate.
7125 (do_line): Don't leak memory.
7126 * cpplib.h (BT_WEAK): Delete.
7127 * cppmain.c (cb_ident): Strings are now null-terminated.
7129 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
7131 * gcc.c (convert_filename): Append executable suffix
7132 if NO_AUTO_EXE_SUFFIX is not defined.
7133 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
7134 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
7136 2001-03-03 David O'Brien <obrien@FreeBSD.org>
7138 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7139 * c-parse.gperf, c-gperf.h: Delete.
7140 (c-gperf.h was accidently re-added to the CVS repo in the rev
7141 1.16 commit by tromey)
7143 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7145 * cpplex.c (_cpp_lex_token): Don't warn about directives in
7146 macro arguments when looking for the '('.
7147 * cppmacro.c (funlike_invocation_p): Set parsing_args to
7148 2 when really parsing arguments; 1 when looking for '('.
7149 Always restore the lexer position.
7151 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7153 * longlong.h (umul_ppmm): Don't use a multiline string.
7155 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
7157 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
7158 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
7159 t_bool in declaration because pcc can't combine volatile with typedef
7162 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
7164 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
7165 until when it is really needed.
7166 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
7167 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
7168 * i386.md (float?i?f splitter): Don't force source operand to memory
7170 (sse_movdfcc): Fix constraint.
7171 (sse_movdfcc splitter): Handle properly the second alternative.
7173 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7175 * cpplex.c (parse_string): Unconditionally pedwarn.
7177 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7180 * cppexp.c (parse_number): Update.
7181 * cpplex.c (parse_string): Pedwarn if multiline string does not
7182 result from a system header's macro.
7183 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
7184 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
7185 for function-like macros too.
7186 * c-lex.c (lex_number): Update.
7188 2001-03-03 Richard Henderson <rth@redhat.com>
7190 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
7192 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
7194 * combine.c (try_combine): If split with mode-changed scratch
7195 register didn't work, try the original mode.
7197 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
7199 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
7200 * config/c4x/c4x.h: Likewise.
7201 * stor-layout.c (compute_record_mode): Likewise.
7202 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
7204 2001-03-02 Zack Weinberg <zackw@stanford.edu>
7206 * configure.in: Kill tm.h. Include the files in the $tm_file
7207 list in all three of config.h, hconfig.h, tconfig.h, after the
7208 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
7209 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
7210 * configure: Regenerate.
7211 * Makefile.in (clean): Don't delete tm.h.
7213 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
7214 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
7215 those are not defined, set SEC and FEC to 0 and 1.
7216 * gcc.texi: Update to match.
7218 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
7219 * config/fp-bit.c, config/m68k/aux-crt2.asm,
7220 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
7221 Include tconfig.h, not tm.h.
7223 * config/xm-lynx.h, config/xm-std32.h,
7224 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7225 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
7226 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
7227 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7228 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7229 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7230 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
7231 config/i386/xm-i386.h, config/i860/xm-i860.h,
7232 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7233 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
7234 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7235 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7236 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7237 config/pa/xm-linux.h, config/pa/xm-pa.h,
7238 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7239 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
7240 config/pj/xm-pj.h, config/romp/xm-romp.h,
7241 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7242 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7243 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7244 config/v850/xm-v850.h, config/vax/xm-vax.h,
7245 config/we32k/xm-we32k.h:
7247 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
7249 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
7250 config/i370/xm-oe.h: Don't include tm.h. Don't define
7252 * config/vax/xm-vms.h: Don't include tm.h.
7254 * config/xm-lynx.h, config/avr/xm-avr.h,
7255 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
7256 Delete; made empty by above changes.
7257 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7258 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
7259 Don't include config/xm-lynx.h or tm.h.
7261 * config/xm-gnu.h: Don't include fcntl.h.
7262 * config/sparc/xm-lynx.h: Don't include sys/types.h and
7264 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
7266 2001-03-02 Richard Henderson <rth@redhat.com>
7268 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
7269 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
7271 2001-03-02 Richard Henderson <rth@redhat.com>
7273 * Makefile.in (OBJS): Add dwarf2asm.o.
7274 * dwarf2asm.c, dwarf2asm.h: New files.
7275 * dwarf2out.c (*): Use them.
7276 (size_of_uleb128, size_of_sleb128): Remove.
7277 (output_uleb128, output_sleb128): Remove.
7278 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
7279 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
7280 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
7281 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
7282 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
7283 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
7284 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
7285 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
7286 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
7287 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7288 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
7289 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
7290 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
7291 (dwarf2out_frame_debug): Remove unused variables.
7292 (output_loc_operands): Don't abort on 8 byte constants if
7293 host integers are wide enough.
7294 (output_symbolic_ref): Remove.
7295 (size_of_die): Don't assume 4 byte host integers.
7296 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
7298 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
7299 something stupid with HOST_WIDE_INT to long truncation.
7300 [CONST_DOUBLE]: Likewise.
7302 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
7303 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7304 * config/arm/unknown-elf.h: Likewise.
7305 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
7306 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
7307 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
7308 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
7309 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
7310 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
7311 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
7312 (ASM_OUTPUT_DWARF_OFFSET): Remove.
7313 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
7314 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
7315 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
7316 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
7318 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7320 * cselib.c (hash_rtx): Cast enums to unsigned int.
7322 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7324 * print-rtl.c (print_rtx): Cast enums to int for comparison.
7325 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
7327 * c-format.c (C_STD_VER): Cast to int for comparisons.
7328 (check_function_format): Cast various enums to int for &.
7329 (maybe_read_dollar_number): Likewise.
7330 (check_format_info): Likewise.
7331 (check_format_info_main): Likewise.
7332 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
7333 (safe_from_p): Likewise.
7334 * varasm.c (const_hash): Cast enum to int for %.
7335 * emit-rtl.c (init_emit_once): Use int loop variable to work around
7336 pcc enum problems with < and ++ operators.
7337 * regclass.c (init_reg_sets_1): Cast enums for comparison.
7338 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
7339 (regclass_init): Change enum class to int to iterate over reg_classes.
7340 * genrecog.c (merge_trees): Cast enums for comparison.
7341 * rtl.h (GET_CODE): Cast to enum rtx_code.
7342 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
7343 (GET_MODE): Cast to enum machine_mode.
7344 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
7345 (GET_NOTE_INSN_NAME): Cast enum to int.
7346 * tree.h (TREE_CODE): Cast to enum tree_code.
7347 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
7348 * timevar.c (timevar_print): Change loop variable id from enum to
7350 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
7351 * config/i386/i386.md: Use PUT_MODE for mode assignment.
7352 * toplev.c (compile_file): Cast enum DFI to int.
7353 (decode_d_option): Likewise.
7355 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
7357 * cppinit.c (append_include_chain): Mark "after" include file name list
7358 as a system directory.
7359 * cpp.texi: Document new behavior.
7361 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
7363 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
7365 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
7367 * cppfiles.c (struct include_file): Update.
7368 (stack_include_file): Use search_from.
7369 (cpp_included, find_include_file): Update.
7370 (cpp_execute_include): Update. ptr->name may not be
7371 null terminated. Use the new search_from member variable
7373 (_cpp_compare_file_date): Similarly.
7374 (search_from): New function, similiar to actual_directory.
7375 (actual_directory): Delete.
7376 (remap_filename): Update. loc->name may not be null terminated.
7377 (struct file_name_list): Rename search_path. Update.
7378 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
7379 search_from and dir.
7380 (struct cpp_reader): Remove actual_dirs.
7381 * cppinit.c (struct cpp_pending): Update for renamed objects.
7382 (append_include_chain, remove_dup_dir, remove_dup_dirs,
7383 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
7384 * cpplib.h (struct cpp_options): Similarly.
7386 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7388 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
7389 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
7390 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7391 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7392 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7393 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7394 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7395 config/i370/xm-linux.h, config/i370/xm-mvs.h,
7396 config/i370/xm-oe.h, config/i386/xm-aix.h,
7397 config/i386/xm-i386.h, config/i386/xm-osf.h,
7398 config/i860/xm-i860.h, config/i960/xm-i960.h,
7399 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7400 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
7401 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
7402 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
7403 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
7404 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7405 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7406 config/pj/xm-pj.h, config/romp/xm-romp.h,
7407 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7408 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7409 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7410 config/v850/xm-v850.h, config/vax/xm-vax.h,
7411 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
7412 Do not define TRUE or FALSE.
7414 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
7415 empty by above change.
7416 * config.gcc: Remove references to these files.
7418 * configure.in: Detect stdbool.h.
7419 * configure, config.in: Regenerate.
7420 * system.h: Include stddef.h here if available.
7421 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
7422 Then set up a sensible boolean type at the very end.
7424 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
7425 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
7427 * hash.h: Delete 'boolean' typedef and related #undefs.
7429 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
7430 all uses of 'boolean' with 'bool'.
7432 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7434 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
7435 * cppexp.c (lex): Cast enums for comparison.
7436 * cppinit.c (parse_option): Cast enum for comparison.
7437 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
7438 (cpp_output_token): Likewise.
7439 (cpp_can_paste): Cast enums for comparsion and plus/minus.
7440 (cpp_avoid_paste): Cast enums for minus and comparison.
7442 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7444 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
7445 field to all array elements.
7447 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7449 * cpphash.h (struct cpp_reader): Add print_version field.
7450 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
7451 just set print_version and other flags as appropriate.
7452 (cpp_post_options): Print version here if print_version is set.
7454 * toplev.c (exit_after_options): New flag.
7455 (independent_decode_option): Don't exit here; just set
7457 (main): Exit after calling lang_hooks.post_options if
7458 exit_after_options is true.
7460 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
7461 (merge_include_chains): Adjust comment to match code.
7463 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7465 * stringpool.c (set_identifier): New function.
7466 * tree.h: Prototype it.
7468 * c-parse.in: Kill D_YES. If compiled for objc, call
7469 save_and_forget_protocol_qualifiers from init_reswords.
7470 * objc/objc-act.c (remember_protocol_qualifiers,
7471 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
7472 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
7474 (save_and_forget_protocol_qualifiers): New function.
7475 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
7477 2001-03-01 Diego Novillo <dnovillo@redhat.com>
7479 * c-semantics.c (prune_unused_decls): Return error_mark_node
7480 instead of (tree) 1 to stop traversing the tree chain.
7482 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7484 Fix a problem introduced by Kenner's Feb 18 change.
7485 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
7486 flag_cse_skip_blocks only temporarily, not for ever.
7488 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
7490 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
7491 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
7493 * pa.c (emit_move_sequence): Verify operand0 is a hard register
7494 before determining its register class.
7496 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7498 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
7499 from reg 4 if current_function_calls_setjmp.
7500 (gen_nop_type): New function.
7501 (ia64_emit_nops): New function.
7502 (ia64_reorg): Call it.
7503 (ia64_sched_reorder): Move code that rotates bundles up a bit.
7505 * reload1.c (eliminate_regs_in_insn): Restrict the special case
7506 code not to try to optimize adds with anything but a REG destination.
7508 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
7509 (INSN_PRIORITY_KNOWN): New accessor macro.
7510 * haifa-sched.c (priority): Use it instead of testing priority against
7513 2001-02-28 DJ Delorie <dj@redhat.com>
7515 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
7516 since that doesn't work the way gcc wants on a generic m68k.
7518 2001-02-28 Richard Henderson <rth@redhat.com>
7520 * caller-save.c (save_call_clobbered_regs): Fix typo in
7521 comparison last change.
7523 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
7525 * i386.c (pentium4_cost): New.
7526 (m_PENT4): New macro.
7527 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
7528 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
7529 x86_integer_DFmode_moves, x86_partial_reg_dependency,
7530 x86_memory_mismatch_stall): Add Pentium4
7531 (x86_use_q_reg, x86_use_any_reg): Kill.
7532 (override_options): Add pentium4.
7533 (incdec_operand): Return 0 for pentium4.
7534 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
7535 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
7536 (TARGET_PENTIUM4): Define.
7537 (enum processor_type): Add PROCESSOR_PENTIUM4.
7538 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
7539 * i386.md (attribute "cpu"): Add pentium4.
7540 * invoke.texi (march): Add pentium4.
7542 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
7544 * i386.md (sse_mov?fcc*): New patterns and splitters.
7545 * i386.c (ix86_expand_movcc): Work post-reload; recognize
7546 the SSE based conditional moves.
7548 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
7550 * i386.md (attribute mode): Add "TI".
7551 (movsf_1): Add pxor support; remove constant propagation splitter.
7552 (movdf_integer): Likewise.
7553 (movdf_nointeger): Likewise.
7554 (movxf constant prop splitter): Handle all modes; update for SSE.
7555 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
7556 * i386.c (standard_80387_constant_p): Rewrite.
7557 (standard_sse_constant_p): New.
7558 * i386-protos.h (standard_sse_constant_p): New.
7560 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
7562 * i386.md (sse_setccsf, sse_setccdf): New.
7563 (sse_cmp* patterns): Use '%D' instead of outputtting condition
7565 * i386.c (sse_comparison_operator): Accept the supported unordered
7566 comparses; be ready for fast_math.
7567 (print_operand): Support 'D'.
7569 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
7571 * jump.c (reversed_comparison_code): Kill.
7573 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
7575 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
7578 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
7580 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
7581 add missing '%' in constraints.
7583 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
7585 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
7586 for HOST_BITS_PER_WIDE_INT == 32 too.
7588 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
7590 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
7592 (insert_save, insert_restore): New parameter save_mode.
7593 (init_caller_save): Update initialization of reg_save_code
7594 and reg_restore_code.
7595 (save_call_clobbered_regs): Compute save_modes and update calls to
7596 reg_save_code and reg_restore_code.
7597 (insert_restore): Unsignetize numbers; use save_modes to choose mode
7598 of spill; update use of reg_restore_code.
7599 (insert_save): Likewise.
7600 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7601 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7602 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
7604 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7606 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
7607 noce_try_store_flag_inc, noce_try_store_flag_mask,
7608 noce_try_cmove_arith):
7609 Use reversed_comparison_code instead of reverse_comparison and
7610 can_reverse_comparison_p.
7612 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
7614 * jump.c (reversed_comparison_code_parts): Allow reversal of
7615 unordered compares in -ffast-math mode; reverse ordered compares
7616 for FP even w/o -ffast-math.
7618 2001-02-27 Richard Henderson <rth@redhat.com>
7620 * print-rtl.c (print_rtx) [i]: Don't print field five on
7621 NOTEs other than NOTE_INSN_DELETED_LABEL.
7623 2001-02-27 Zack Weinberg <zackw@stanford.edu>
7625 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
7626 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
7628 2001-02-27 Diego Novillo <dnovillo@redhat.com>
7630 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
7631 even if walk_subtrees is 0.
7632 * c-semantics.c (prune_unused_decls): Return a non-null value to
7633 stop traversing the tree chain.
7635 2001-02-27 DJ Delorie <dj@redhat.com>
7637 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
7638 register, *then* define it as the new CFA.
7640 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
7642 * pa.c (override_options): Promote -fpic to -fPIC.
7643 (legitimize_pic_address): Simplify due to removal of
7644 small PIC as a code generation option.
7645 (secondary_reload_class): Similarly.
7646 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
7647 (PRINT_OPERAND_ADDRESS): Similarly.
7648 * pa.md (various patterns): Similarly.
7649 (small pic lo_sum pattern): Remove.
7651 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
7654 * md.texi (min, max): Document
7656 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
7658 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
7659 TARGET_PARTIAL_REG_DEPENDENCY.
7660 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
7662 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
7664 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
7666 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
7668 * mips.c (mips_make_temp_file): Fix thinko in last change.
7670 2001-02-26 Jason Eckhardt <jle@redhat.com>
7672 * combine.c (known_cond): Do not reverse the condition when
7673 SMAX/UMAX is being considered and the condition is for equality
7676 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
7678 2001-02-26 Philip Blundell <philb@gnu.org>
7680 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
7682 * config/arm/linux-elf.h: Remove historical relics related to
7683 above configurations.
7684 * config/arm/linux-oldld.h: Delete.
7685 * config/arm/linux-elf26.h: Delete.
7687 2001-02-26 Jason Merrill <jason@redhat.com>
7689 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
7691 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
7692 recognize a tentative definition. Lose obsolete code.
7694 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
7695 variables unless necessary, either.
7697 2001-02-25 Richard Henderson <rth@redhat.com>
7699 * ifcvt.c (struct noce_if_info): Add test_bb.
7700 (noce_get_alt_condition): New.
7701 (noce_try_minmax, noce_try_abs): New.
7702 (noce_operand_ok): New.
7703 (noce_process_if_block): Use them.
7704 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
7706 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
7708 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
7711 2001-02-25 Zack Weinberg <zackw@stanford.edu>
7713 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
7714 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
7716 (mips_asm_file_end): Free temp_filename here.
7718 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7720 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
7721 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
7723 * config/i386/i386.md (movstrsi): Handle FAIL case.
7725 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
7727 * cppinit.c (builtin_array): Update.
7728 (init_builtins): Flag builtins to warn if redefined or
7729 undefined. Define __GXX_WEAK as a normal macro.
7730 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
7731 * cpplib.h (NODE_WARN): New flag.
7732 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
7733 Handle __STDC__ as a builtin only on Solaris.
7734 (warn_of_redefinition): Renamed from check_macro_definition.
7735 Reverse sense of test. Always warn if NODE_WARN.
7736 (_cpp_create_definition): Use warn_of_redefinition. Flag
7737 any macro beginning with "__STDC_" to require a mandatory
7738 warning if redefined or undefined.
7740 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7742 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
7743 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
7744 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
7745 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
7746 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
7747 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
7748 Don't define any of:
7749 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
7750 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
7751 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
7752 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
7753 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
7755 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
7756 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
7759 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
7760 Delete now-empty file.
7762 * alpha/vms.h: Define NEED_ATEXIT here...
7763 * alpha/xm-vms.h: ...not here.
7765 * i386/cygwin.h: Don't define PARAMS.
7766 * mips/mips.c: Don't prototype mktemp. Don't define
7767 P_tmpdir. Use make_temp_file to create temporary files.
7768 Don't be clever and delete temporary files early.
7769 * config.gcc: Drop references to deleted files. Don't define
7771 * gcc.texi: Don't mention USE_PROTOTYPES.
7773 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7775 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
7776 (ix86_set_move_mem_attrs_1): Likewise.
7777 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
7778 * config/i386/i386.md (movstrsi): Call it.
7780 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7782 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
7783 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
7784 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
7785 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
7787 (i750a-*-*): Error here if hosting on i750a.
7788 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
7790 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
7791 Remove (empty modulo comments).
7793 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
7794 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
7795 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
7796 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
7797 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
7798 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
7800 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
7801 Remove reference to winnt.h in comment.
7802 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
7804 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7806 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
7807 used to set another biv.
7809 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7811 * tree.h (BLOCK_DEAD): New macro.
7812 (struct tree_block): New flag, dead_flag.
7813 * print-tree.c (print_node, case 'b'): Print missing fields.
7814 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
7815 * function.c (identify_blocks): Enable test for misplaced notes.
7816 (all_blocks): Skip BLOCK_DEAD blocks.
7817 * integrate.c (integrate_decl_tree): Likewise.
7819 * errors.c (internal_error, trim_filename): New functions.
7820 (fancy_abort): Call internal_error.
7821 * errors.h (internal_error, trim_filename): New declarations.
7823 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
7825 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
7827 (EXTRA_CONSTRAINT): Formatting changes.
7829 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7831 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
7833 2001-02-23 Per Bothner <per@bothner.com>
7835 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
7836 so they can be called from java/jvspec.c.
7837 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
7839 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
7841 * i386.c (ix86_frame): New structure.
7842 (ix86_compute_frame_size): Kill.
7843 (ix86_compute_frame_layout): New.
7844 (ix86_save_reg): New.
7845 (ix86_can_use_return_insn_p): Use frame layout stuff.
7846 (ix86_expand_prologue): Likewise.
7847 (ix86_expand_epilogue): Likewise.
7848 (ix86_initial_elimination_offset): Likewise.
7849 (ix86_nsaved_regs): Use ix86_save_reg.
7850 (ix86_emit_save_regs): Likewise.
7852 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
7854 * flow.c (find_sub_basic_blocks): New function.
7855 (split_block): Be ready for basic block introduced by CODE_LABEL.
7856 (commit_one_edge_insertion): Call find_sub_basic_block.
7858 * flow.c (make_edges): Add edge from entry for blocks starting with
7859 label having ALTERNATE_NAME
7861 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
7863 * function.c (epilogue_done): Be ready for first basic block not
7864 containing PROLOGUE_END note.
7865 (reposition_prologue_and_epilogue_notes): Avoid placing
7866 PROLOGUE_END note between BASIC_BLOCK.
7868 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
7870 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
7872 2001-02-21 DJ Delorie <dj@redhat.com>
7874 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
7875 check for current_function_has_nonlocal_goto from 1999-11-12.
7877 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7879 * diagnostic.c (trim_filename): No longer static.
7880 * toplev.h (trim_filename): Declare.
7881 * rtl.c (rtl_check_failed_bounds): Call internal_error.
7882 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
7883 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
7884 (rtvec_check_failed_bounds): Likewise.
7885 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
7887 * convert.c (convert_to_integer): Don't do unsigned unless result or
7888 both inputs are unsigned.
7890 * fold-const.c (fold_convert): Don't call size_int_type_wide if
7893 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
7895 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
7897 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
7899 * Makefile.in (resource.o): Add params.h dependence.
7900 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
7901 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
7902 * resource.c: Add dependence on params.h.
7903 (current_live_regs): Fix explanatory comment.
7904 (find_basic_block): Add new parameter to permit limiting search
7906 (mark_target_live_regs): Add new argument to find_basic_block call.
7907 (incr_ticks_for_insn): Likewise.
7909 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7911 * diagnostic.c (output_to_stream): Rename to
7912 output_buffer_to_stream. Loses the stream parameter.
7913 (init_output_buffer): Set diagnosic_buffer's stream.
7914 (flush_diagnostic_buffer): Adjust.
7915 (default_print_error_function): Likewise.
7916 (finish_diagnostic): Likewise.
7917 (verbatim): Likewise.
7919 * diagnostic.h (struct output_buffer): Add `stream' field.
7920 (output_buffer_attached_stream): New macro.
7922 2001-02-23 Jakub Jelinek <jakub@redhat.com>
7924 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
7925 check if either operand is divisible by C.
7926 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
7927 If type is signed, consider negative numbers as well.
7929 2001-02-22 Richard Henderson <rth@redhat.com>
7931 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
7932 reach .text instead of gp-relative relocs.
7933 * config/ia64/crtend.asm (.init): Likewise.
7935 2001-02-22 Andreas Jaeger <aj@suse.de>
7937 * extend.texi (C++ Attributes): Fix typo.
7939 2001-02-21 David Mosberger <davidm@hpl.hp.com>
7941 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
7942 functions, drop current_function_args_info.words test.
7943 (ia64_compute_frame_size): Mark syscall_linkage functions as
7944 using eight input registers.
7946 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
7947 Bruce Korb <bkorb@gnu.org>
7949 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
7950 * fixinc/README: Document how to convert sed substitutions
7951 to format style c_fix-es.
7952 * fixinc/fixincl.x: regen
7954 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
7956 * gcc.c: Add comment explaining how to add a command-line option.
7957 Add title to specs language comment.
7959 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7961 * gcc.c (cc1_options): Add "-param".
7962 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
7963 (option_map): Likewise.
7964 * toplev.c (display_help): Add entry for "--param".
7965 (independent_decode_option): Fix typographical error.
7967 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
7968 Bernd Schmidt <bernds@redhat.com>
7969 Jan Hubicka <jh@suse.cz>
7971 * i386.c (function_arg_advance): Pass SSE arguments in registers.
7972 (function_arg): Likewise.
7974 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
7976 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
7978 2001-02-21 Kazu Hirata <kazu@hxi.com>
7980 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7984 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
7986 * flow.c (init_propagate_block_info): Canon address and use single_set
7987 for killing dead memory stores.
7989 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7991 * Makefile.in (reorg.o): Add params.h dependence.
7992 * params.def: Fix typographical error in comment.
7993 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7994 * params.h: Modify introductory comment.
7995 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7996 * reorg.c: Add dependence on params.h.
7997 (redundant_insn): Add parameterized throttle for search.
7998 (fill_simple_delay_slots): Add a comment explaining a variable.
7999 Move conditional out of loop, simplifying code.
8000 (fill_eager_delay_slots): Fix typographical error in comment.
8002 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
8004 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
8006 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
8007 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
8009 2001-02-21 Jason Merrill <jason@redhat.com>
8011 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
8012 (struct tree_decl): Add uninlinable bitfield.
8013 * c-decl.c (duplicate_decls): Set it.
8014 * integrate.c (function_cannot_inline_p): Check it.
8016 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
8017 DW_AT_MIPS_linkage_name to abstract methods.
8018 (dwarf2out_abstract_function): Emit class context before calling
8019 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
8020 (gen_subprogram_die): Remove obsolete code.
8021 (gen_member_die): Don't include clones in the member list.
8022 (gen_decl_die): Emit abstract info for clone origin.
8023 * dwarfout.c (output_type): Don't include clones in the member list.
8024 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
8025 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
8026 DECL_ABSTRACT on a function that already has it set.
8028 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
8029 (get_subprogram_die): Pass it in.
8031 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
8033 * flow.c (mark_set_1): Make not_dead unsigned long. For
8034 non-pseudos, use it as a bitmask of the hard regs that
8037 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
8039 * cppfiles.c: Update comments.
8040 (_cpp_read_file): Don't check for NULL filenames any more.
8041 * cppinit.c (cpp_start_read): Don't do canonicalization of
8042 in_fname and out_fname. Use the passed file name exclusively.
8043 (_cpp_handle_options): Don't treat "-" as a command line option,
8044 but as a normal filename.
8045 (_cpp_post_options): Canonicalize in_fname and out_fname.
8046 * cppmain.c (printer_init): Don't check out_fname for NULL.
8047 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
8048 (init_c_lex): Update, and use "" to represent stdin to CPP.
8051 2001-02-20 Will Cohen <wcohen@redhat.com>
8053 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
8054 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
8055 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
8058 2001-02-20 Stan Shebs <shebs@apple.com>
8060 * config/rs6000/rs6000.c (output_cbranch): Output branches
8061 on separate lines instead of using ';' to separate.
8063 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
8065 * cppinit.c (set_lang): Move builtin handling to...
8066 (init_builtins): ...here.
8067 (_cpp_create_reader): Move call to set_lang.
8069 2001-02-20 Mark Mitchell <mark@codesourcery.com>
8071 * stmt.c (expand_return): If an attempt is made to return the
8072 error_mar_node, treat the return like a return without a value.
8074 2001-02-19 Zack Weinberg <zackw@stanford.edu>
8076 * sibcall.c (skip_copy_to_return_value): Call
8077 identify_call_return_value here, and return orig_insn if it
8078 returns zero. Hardret and softret arguments now unnecessary.
8079 (call_ends_block_p): Don't call identify_call_return_value here.
8081 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
8083 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
8084 * ggc.h (ggc_mark_if_gcable): Delete prototype.
8086 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
8088 * pa.c (move_operand): Accept code to load the address of a
8089 symbol out of the DLT as a valid move operand.
8090 (print_operand, case 'A'): New to handle generating a DLT
8091 reference for a LO_SUM expression.
8092 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
8093 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
8095 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
8097 * README, cpp.texi, gcc.texi, version.c: Update version number to
8099 * cpp.1, gcov.1, gcc.1: Regenerate.
8101 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
8103 * cppfiles.c (stack_include_file): Generate dependencies
8104 here, and manage include_count here too.
8105 (PRINT_THIS_DEP): Delete.
8106 (_cpp_execute_include): Do not generate dependencies here,
8107 apart from the case of a missing header. Do not manage
8109 (_cpp_read_file): Leave dependency generation to
8112 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
8114 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
8115 target_cpu_default. Remove dead assignment to
8118 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
8120 * regclass.c (contains_reg_of_mode): Make global.
8121 (init_reg_sets): Remove contains_reg_of_mode; take into account
8122 CLASS_MAX_NREGS when looking for the proper mode.
8123 (dump_regclass): Dump only classes considered for the pseudo.
8124 (regclass): Use contains_reg_of_mode.
8126 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
8128 * gcc.c (do_spec_1): 'n' for printing notices.
8129 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
8131 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
8133 * reg-stack.c (next_flags_user): Use current_block->end
8134 (swap_rtx_condition): Look for next user if flags don't die;
8135 give up on CALL_INSNs; use current_block->end.
8137 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8139 * sibcall.c (call_ends_block_p): New function.
8140 (optimize_sibling_and_tail_recursive_call): Use it.
8142 2001-02-18 Kazu Hirata <kazu@hxi.com>
8144 * config/h8300/h8300.md: Update copyright.
8145 (andsi3): Do not output an extra newline character.
8147 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8149 * toplev.c (note_deferral_of_defined_inlined_function): Argument
8150 FNDECL may be unused.
8152 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
8153 follow jumps after first run.
8154 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
8155 it doesn't change any jumps.
8157 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
8159 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
8160 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
8161 (mostlyclean): Corresponding changes.
8162 * rtlanal.c (hard-reg-set.h): Include.
8163 (rtx_unstable_p): Do not treat the argument pointer specially
8164 if it is not a fixed register.
8165 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
8167 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8169 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
8170 against last real insn in basic block.
8171 Rework to avoid gotos.
8173 * Makefile.in (gcse.o): Now includes ggc.h.
8174 * gcse.c: Include ggc.h.
8175 (want_to_gcse_p): Verify expression can be in SET as valid insn.
8176 (try_replace_reg): Remove warning of uninitialize variable.
8177 (process_insert_insn): Call invalid_insn_p to validate insn.
8178 * recog.c (insn_invalid_p): Now global.
8179 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
8180 * recog.h (insn_invalid_p): New declaration.
8182 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
8184 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
8185 assignments from FP constants since 'Y' output code can't handle it.
8186 (eligible_for_sibcall_delay): Likewise.
8188 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
8189 Call fancy_abort directly, passing args.
8190 (print_rtl_and_abort): Now a macro, like fancy_abort.
8192 * final.c (output_operand_lossage): Use internal_error, not error.
8194 2001-02-18 Shane Nay <shane@agendacomputing.com>
8196 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
8197 structure shift insns.
8199 2001-02-18 Mark Mitchell <mark@codesourcery.com>
8201 * invoke.texi (-fsquangle): Remove documentation.
8202 (-fname-mangling-version): Likewise.
8204 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
8206 * optabs.c (expand_abs): Remove reference to
8207 HAVE_contitional_arithmetic.
8208 * combine.c (simplify_set): Likewise.
8210 2001-02-18 Richard Henderson <rth@redhat.com>
8212 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
8215 2001-02-18 Richard Henderson <rth@redhat.com>
8217 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
8219 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
8221 * reload1.c (reload_cse_simplify_set): Fix typo.
8223 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8225 * diagnostic.c (_fatal_insn): Decrement errorcount.
8227 * invoke.texi (-I): Add note avoiding use for system header files.
8229 * rtl.h (add_clobbers): Remove duplicate declaration.
8230 * recog.h (added_clobbers_hard_reg_p): New declaration.
8231 * genemit.c (struct clobber_pat): New field has_hard_reg.
8232 (gen_insn): Record if added clobbers clobber hard reg.
8233 (gen_split): Avoid unused warning if number of operands is 0.
8234 (output_added_clobbers_hard_reg_p): New function.
8237 2001-02-18 Alan Modra <alan@linuxcare.com.au>
8239 * pa.c (hppa_expand_prologue): Simplify code storing return
8240 pointer. For large (>=8k) frames with a post_store, adjust stack
8241 pointer by 8k-64 first rather than by 64. When testing with
8242 VAL_14_BITS_P, always use the actual value rather than the value
8243 negated. Add blockage to prevent scheduling of spills before
8244 stack frame has been created.
8245 (hppa_expand_epilogue): Simplify code loading return pointer.
8246 Allow a slightly larger range for merge_sp_adjust_with_load case.
8247 When testing with VAL_14_BITS_P, always use the actual value.
8249 * pa.c (pa_adjust_insn_length): Check that block move
8250 pattern is a set before looking at operands.
8252 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8254 * fold-const.c (fold_binary_op_with_conditional_arg): New
8255 function, split out from ...
8257 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
8258 conditional arms that throw exceptions.
8260 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
8263 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8265 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
8266 define HAVE_DECL_* to 1 to mask potential backup declarations.
8267 * configure: Regenerated.
8269 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8271 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
8273 2001-02-17 Richard Henderson <rth@redhat.com>
8275 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
8276 when replacing a memory load with a register.
8278 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8279 Jan Hubicka <jh@suse.cz>
8281 * recog.c (validate_replace_src_1): New.
8282 (validate_replace_src_data): Likewise.
8283 (validate_replace_src): Use note_uses.
8284 * rtl.h (note_uses): Declare.
8285 * rtlanal.c (note_uses): New.
8287 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
8289 * reg-stack.c (stack_def): Make field reg unsigned.
8290 (remove_regno_note): Unsignetize parameter.
8292 2001-02-16 Jes Sorensen <jes@linuxcare.com>
8294 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
8295 shladd_operand() call.
8297 2001-02-16 Bruce Korb <bkorb@gnu.org>
8298 Rodney Brown <RodneyBrown@mynd.com>
8300 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
8301 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
8302 machine restrictions
8303 * fixinc/fixincl.x: regen
8305 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8307 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
8309 (hash_scan_insn): Clean up calls to hash_scan_set.
8310 (compute_kill_rd): REGNO now unsigned.
8311 (try_replace_reg): Rework to use simplify_replace_rtx.
8312 (cprop_jump, cprop_cc0_jump): Likewise.
8313 (cprop_insn): Call find_reg_equal_equiv_note.
8314 Reflect changes to cprop_jump and cprop_cc0_jump.
8316 * recog.c (validate_replace_src): Replace in operands of
8317 ZERO_EXTRACT in SET_DEST.
8319 * cse.c (new_label_ref): New variable.
8320 (insert): Set it instead of recorded_label_ref.
8321 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
8322 CODE_LABEL for this function, and not already in REG_LABEL note.
8324 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
8326 * resource.c (mark_referenced_resources): Fix typo in introductory
8328 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
8331 2001-02-16 Jason Merrill <jason@redhat.com>
8333 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
8335 (gen_subprogram_die): Don't abort on seeing a second definition if
8336 the previous one was abstract. Don't replace an abstract instance
8337 in the lookup table.
8339 * dwarf2out.c (dwarf2out_abstract_function): Rename from
8340 gen_abstract_function.
8341 * dwarf2out.h: Declare it.
8342 * toplev.c (note_outlining_of_inline_function): New fn.
8343 * toplev.h: Declare it.
8344 * integrate.c (output_inline_function): Call it.
8345 * c-decl.c (duplicate_decls): Call it when redefining an extern
8346 inline. Don't inline the new defn.
8348 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
8350 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8352 * .gdbinit: Rename to gdbinit.in.
8353 * gdbinit.in: New file,
8354 * configure.in: Generate .gdbinit from gdbinit.in.
8355 * configure: Regenerated.
8356 * Makefile.in (distclean): Always remove .gdbinit.
8358 2001-02-16 Jakub Jelinek <jakub@redhat.com>
8360 * objc/objc-act.c (start_class): Register implemented_classes with
8363 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
8365 * cppfiles.c (_cpp_make_system_header): Generate a file
8368 2001-02-15 Jim Meyering <meyering@lucent.com>
8370 * Makefile.in (install-common): Don't depend on installdirs here.
8371 Instead, make each of the lang.install-common targets (e.g.,
8372 c++.install-common in cp/Make-lang.in) depend on it.
8373 (install-driver): Depend on installdirs.
8375 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8377 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
8379 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
8382 2001-02-15 Mark Mitchell <mark@codesourcery.com>
8384 * invoke.texi (--param): Document.
8386 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
8388 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
8390 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
8392 * i386.md (extendsfdf2_2): Fix constraints.
8394 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
8396 * i386.md (fop_df_3 splitter): Fix operand number.
8398 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
8400 * invoke.texi (-mreg-alloc): Nuke.
8401 * i386.c (ix86_reg_alloc_order, regs_allocated,
8402 order_regs_for_local_alloc): Nuke.
8403 (override_options): Kill reg_alloc code.
8404 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
8405 (REG_ALLOC_ORDER): SSE goes before I387.
8406 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
8407 (ix86_reg_alloc_order): Likewise.
8408 * i386-protos.h (ix86_reg_alloc_order): Kill.
8410 2001-02-14 Richard Henderson <rth@redhat.com>
8412 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
8414 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
8416 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
8418 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
8420 * i386-protos.h (ix86_memory_move_cost): Move offline.
8421 * i386.c (ix86_register_move_cost): Compute properly cost of
8422 SSE, MMX and i387 instructions.
8423 (*_cost): Add costs of SSE/MMX moves.
8424 (ix86_memory_move_cost): Move offline from ....; Likewise.
8425 * i386.h (MEMORY_MOVE_COST): .... here;
8426 (struct processor costs): Add new fields to represent costs
8429 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
8431 * regclass.c (init_reg_sets_1): Reinstall the optimization of
8432 move_cost together with Matt Kraai's fix.
8434 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8436 * Makefile.in (OBJS): Add params.o.
8438 2001-02-14 Richard Henderson <rth@redhat.com>
8439 DJ Delorie <dj@redhat.com>
8441 * jump.c (jump_optimize_1): When we delete a conditional jump
8442 preceeding a non-conditional jump to effectively the same place,
8443 make sure that the combined jump skips any clobber insns between
8446 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8448 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
8450 2001-02-14 Mark Mitchell <mark@codesourcery.com>
8452 * Makefile.in (toplev.o): Depend on params.h.
8453 (intergate.o): Likewise.
8454 (params.o): New target.
8455 * flags.h (inline_max_insns): Remove.
8456 * integrate.c: Include params.h.
8457 Use MAX_INLINE_INSNS instead of inline_max_insns.
8458 * params.c: New file.
8459 * params.h: Likewise.
8460 * params.def: Likewise.
8461 * toplev.c: Include params.h.
8462 (lang_independent_params): New variable.
8463 (decode_f_option): Use the param machinery instead of setting
8465 (independent_decode_option): Handle "--param name=value".
8466 (main): Register language-independent parameters.
8468 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
8470 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
8472 2001-02-14 Richard Henderson <rth@redhat.com>
8474 * regclass.c (init_reg_sets_1): Revert last two changes.
8476 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8478 * stor-layout.c (is_pending_size, put_pending_size): New functions.
8479 (variable_size): Call put_pending_size.
8480 * tree.h (is_pending_size, put_pending_size): Add prototypes.
8481 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
8482 sizes list, put newly created SAVE_EXPR there as well.
8484 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8486 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
8487 (errata_find_address_regs): load_group has only 2 entries.
8488 (errata_emit_nops): Likewise. shladd is not problematic.
8489 Clear last_group if nop was emitted.
8490 (fixup_errata): load_group has only 2 entries.
8493 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
8495 * c-lex.c (lex_number): Only warn traditionally for U suffix
8496 outside system macros.
8497 * cppexp.c (parse_number): Similarly.
8498 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
8499 * cppmacro.c (struct cpp_macro): New member node.
8500 (parse_args): Only warn about missing rest args if not
8502 (funlike_invocation_p): Similarly for uninvoked funlike macros.
8503 (cpp_sys_objmacro_p): New.
8504 (_cpp_create_definition): Store the node with the macro defn.
8505 Remember if the macro is defined in a system header.
8507 2001-02-13 DJ Delorie <dj@redhat.com>
8509 * configure.in (check_languages): determine languages to check
8510 * Makefile.in (check-c++): alias for check-g++
8511 (check-f77): alias for check-g77
8512 (CHECK_TARGETS): depend on configured languages
8514 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
8516 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8517 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8518 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8519 (sqrtextendsfdf2): Disable for SSE2.
8521 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8523 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8524 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8525 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8526 (sqrtextendsfdf2): Disable for SSE2.
8528 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
8530 * i386.md (movsfcc_1): Support integer cmove instruction.
8531 (movdfcc_1): Likewise; new splitter.
8533 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
8535 * i386.c (output_fp_compare): Support SSE.
8536 (prepare_fp_compare_args): SSE comparisons always support memory.
8537 * i386.h (TARGET_CMOVE): SSE imply cmove.
8538 * i386.md (cmp?f2): Enable for SSE too.
8539 (cmpfp_i*): Support SSE.
8541 (cmpfp_i_sse_only): New.
8542 (s*, b* fp expanters): Enable for SSE too.
8543 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
8546 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
8548 * regclass.c (init_reg_sets_1): Silence warning.
8550 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
8552 * i386.md (sqrt?f2): Change to expander.
8553 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
8555 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8557 * rtlanal.c (find_reg_equal_equiv_note): New function.
8558 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
8559 (simplify_gen_relational, simplify_replace_rtx): Likewise.
8560 * rtl.h: Add declarations for above functions.
8562 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
8564 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
8566 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
8567 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
8568 * flow.c (mark_regs_live_at_end): Likewise.
8569 (calculate_global_regs_live): Likewise.
8570 * gcse.c (compute_hash_table): Likewise.
8571 (compute_kill_rd): Likewise.
8572 * resource.c (mark_target_live_regs): Likewise.
8573 * rtl.h (INVALID_REGNUM): New macro.
8575 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
8577 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
8579 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
8581 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
8584 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
8586 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
8588 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
8589 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
8590 (fop_sf_1_sse, fop_df_1_sse): New patterns
8591 (fop_*): Disable float_extend and float patterns for SSE compilation.
8592 * i386.c (output_387_binary_op): Support SSE.
8594 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
8596 * i386.md (dummy_extendsfdf2): Support SSE2
8597 (extendsfdf2): Enable if 80387 or SSE2.
8598 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
8599 and no MIX_I387_SSE2
8600 (extendsfdf2_1_sse_only): New pattern.
8601 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
8603 (truncdfsf2_1): Support SSE.
8604 (truncdfsf2_2): Support SSE.
8605 (truncdfsf2_2_1_sse): New pattern.
8606 (fixtruncsfsi2): Always use SSE if available.
8607 (fix_truncsfsi_sse): New pattern.
8608 (fix_truncdfsi_sse): New pattern.
8609 (floatsis?f2): Support SSE.
8610 (floatsidf2_i387): New pattern.
8611 (floatsidf2_sse): Likewise.
8613 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8615 * configure.in: Use "have_gnat" variable, not "gnat".
8616 * configure: Regenerated.
8618 * config/sparc/sparc.c (function_value): Treat all non-record
8619 aggregate types like used to treat UNION_TYPE.
8621 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
8623 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
8624 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
8626 (MASK_MIX_SSE_I387): New.
8627 (TARGET_SSE): SSE2 imply SSE.
8628 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
8629 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
8630 (enum reg_class): Add new classes.
8631 (REG_CLASS_NAMES): Likewise.
8632 (REG_CLASS_CONTENTS): Likewise.
8633 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
8634 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
8635 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
8636 (CLASS_MAX_NREGS): Use new macros.
8637 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
8638 * i386.md (pushsf, movsf): Support SSE.
8639 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
8640 splitters to use ANY_FP_REGNO_P.
8641 (movdf_nointeger, movdf_integer): Likewise.
8643 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8645 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
8646 (try_combine): Use it.
8648 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
8650 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
8651 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
8652 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
8653 (REGISTER_MOVE_COST): Likewise.
8654 * i386-protos.h (ix86_secondary_memory_needed,
8655 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
8656 * i386.c (ix86_secondary_memory_needed,
8657 ix86_preferred_reload_class, ix86_register_move_cost): New function.
8659 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
8661 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
8662 (HARD_REGNO_MODE_OK): Move offline to ....
8663 * i386.c (ix86_hard_regno_mode_ok) ... here;
8664 refuse all incorrect modes.
8665 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
8667 2001-02-13 Richard Henderson <rth@redhat.com>
8669 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
8670 entire operator; replicate that and match_dup the operands.
8671 (cmp_ccx_arith_op_set): Likewise.
8672 (cmp_cc_arith_op_not_set): Likewise.
8673 (cmp_ccx_arith_op_not_set): Likewise.
8675 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8677 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
8679 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8681 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
8682 (TARGET_NO_BITFIELD_WORD): New macro.
8683 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
8684 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
8686 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8688 * cselib.c: New file, from simplify-rtx.c.
8689 * simplify-rtx.c: Remove cselib parts.
8690 * Makefile.in: Add cselib.o.
8692 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8694 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
8695 (setup_incoming_varargs): Remove warning.
8697 * config/rs6000/rs6000.c (validate_condition_mode): When
8698 flag_fast_math, allow floating-point conditionals to be reversed.
8699 (rs6000_generate_compare): When flag_fast_math, don't generate
8700 cror operations for FP conditionals.
8702 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
8704 (ASM_SPEC): Likewise.
8705 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
8706 (CC1_SPEC): Likewise.
8707 (LINK_TARGET_SPEC): Likewise.
8708 (CPP_ENDIAN_SPEC): Likewise.
8709 * Makefile.in (check-consistency): New target.
8711 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
8713 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
8714 "return type defaults" warning for functions with return type
8716 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
8717 function declarations by default rather than only when pedantic.
8719 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
8721 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
8724 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8726 * extend.texi (Deprecated): Deprecate new initializer lists.
8728 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8730 * mkdeps.c (deps_add_default_target): Robustify. Add
8731 basename component only.
8732 * cpp.texi (-M): Describe how default target is generated.
8733 * invoke.texi (-M): Likewise.
8735 2001-02-12 Kazu Hirata <kazu@hxi.com>
8737 * toplev.c (push_float_handler): Remove.
8738 (pop_float_handler): Remove.
8739 * toplev.h: Remove prototypes for the above functions.
8741 2001-02-12 Jakub Jelinek <jakub@redhat.com>
8743 * c-common.c (constant_fits_type_p): New function.
8744 (convert_and_check): Use it.
8746 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8748 * Makefile.in (GXX_ABI_FLAG): Don't define.
8749 * configure.in (--enable-new-gxx-abi): Remove option.
8750 * config.in: Regenerated.
8751 * configure: Likewise.
8753 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
8755 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
8757 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
8758 regular basic block, and arrange for all edges into it to switch
8761 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8763 * Makefile.in (distclean): Do not remove .gdbinit.
8765 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8767 * Makefile.in (gcc.o): Fix typos.
8768 (protize.o): Likewise.
8769 (unprotoize.o): Likewise.
8771 2001-02-11 Richard Henderson <rth@redhat.com>
8773 * tree.c (build1): Check for null operand in last change.
8775 2001-02-11 Richard Henderson <rth@redhat.com>
8777 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
8778 (fold): Don't assume a constant isn't foldable.
8779 * tree.c (build): Set TREE_CONSTANT for an expression with no
8780 side-effects and constant operands.
8783 2001-02-10 Richard Henderson <rth@redhat.com>
8785 * jump.c (squeeze_notes): Revert 2000-05-12 change.
8787 2001-02-10 Anthony Green <green@redhat.com>
8789 * cpp.texi (Standard Predefined): Add documentation for
8792 * c-common.c (combine_strings): Improve warning message.
8794 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
8796 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
8798 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
8800 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
8802 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
8805 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
8807 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
8810 2001-02-09 Nick Clifton <nickc@redhat.com>
8812 * config/arm/arm.md: Change output contraint on post inc
8813 load/store multiple patterns to be a read/write contraint.
8815 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
8817 * gcc.c (cpp_options): Delete .d files on error. Don't delete
8818 .o files when using the -M options.
8820 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8821 David Edelsohn <edelsohn@gnu.org>
8823 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
8824 handle DImode constants. Use one TOC entry for SImode and smaller
8825 constants, aligned properly.
8827 2001-02-08 Jason Merrill <jason@redhat.com>
8829 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
8830 about the SP adjustment for saving the static chain pointer.
8831 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
8832 offset when setting a temporary CFA register.
8834 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
8836 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
8837 powerpc-*-chorusos* .
8838 * config/rs6000/chorus.h : New file.
8839 * config/i386/chorus.h : New file.
8840 * config/sparc/chorus.h : New file.
8841 * config/sparc/t-chorus-elf : New file.
8843 2001-02-08 David Edelsohn <edelsohn@gnu.org>
8845 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
8846 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
8847 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
8848 (__WCHAR_TYPE__): Correct macro name.
8850 2001-02-08 Richard Henderson <rth@redhat.com>
8852 * config/i386/i386.c (ix86_frame_pointer_required): New.
8853 (ix86_setup_frame_addresses): New.
8854 (struct machine_funciton): Add accesses_prev_frame.
8855 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
8856 ix86_frame_pointer_required.
8857 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
8858 (SETUP_FRAME_ADDRESSES): New.
8859 * config/i386/i386-protos.h: Update.
8860 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8861 from FRAME_POINTER_REQUIRED.
8862 * config/i386/svr3gas.h: Likewise.
8863 * config/i386/sysv3.h: Likewise.
8864 * config/i386/v3gas.h: Likewise.
8866 2001-02-08 Richard Henderson <rth@redhat.com>
8868 * config/sparc/sparc.c (function_arg_record_value_3): Fix
8869 calculation of the number of integer registers required.
8870 (function_arg_record_value): Likewise.
8872 2001-02-08 Jason Merrill <jason@redhat.com>
8874 * diagnostic.c (internal_error): Say "confused" after 1 error, not
8875 two. Print file and line with "confused" message.
8877 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
8879 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8881 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
8883 2001-02-08 Bernd Schmidt <bernds@redhat.com>
8885 * final.c (cleanup_subreg_operands): The address of a MEM can
8888 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
8891 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
8893 * gcc.texi (Incompatibilities): Update documentation of
8894 preprocessing numbers.
8896 2001-02-07 Jakub Jelinek <jakub@redhat.com>
8898 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
8900 2001-02-07 Mark Mitchell <mark@codesourcery.com>
8902 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
8904 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
8905 * gcc.c (struct compiler): Add cpp_spec field.
8906 (input_file_compiler): New variable.
8907 (do_spec_1): Allow a particular compiler to handle `%C'
8909 (main): Store the current compiler in input_file_compiler.
8910 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
8912 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
8914 * cpphash.h (struct spec_nodes): Add n_true and n_false.
8915 * cppinit.c (cpp_create_reader): Initialize them.
8916 (append_include_chain): cxx_aware arg might be unused.
8917 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
8918 keywords and give them their phase 7 meaning. Pedwarn about
8919 this unless '__bool_true_false_are_defined' is defined.
8921 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8923 * lcm.c (optimize_mode_switching): Emit mode_set before the
8924 JUMP_INSN of an abnormal edge.
8926 2001-02-07 Bernd Schmidt <bernds@redhat.com>
8928 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
8929 a scheduling barrier at the end.
8931 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
8933 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8935 * config/sh/sh.md (reload_outsf): Removed.
8936 (movsf_ie): Introduce constraints for FPUL loads and stores.
8937 (reload_insf): Broaden the output constraint.
8939 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
8941 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
8942 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
8944 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
8946 * final.c: Revert my previous changes.
8947 * output.h: Make profile_label_no extern.
8948 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
8949 for generating label.
8951 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
8953 * config/i386/djgpp.h: Add comments about standard paths.
8954 (MD_EXEC_PREFIX): Undefine before defining.
8955 (MD_STARTFILE_PREFIX): New.
8957 2001-01-30 Bruce Korb <bkorb@gnu.org>
8959 fixinc/fixincl.c(process): Emit error message only if appropriate :)
8960 (load_file): do not rely on load_file_data() to close file pointer
8961 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
8962 fixinc/inclhack.def(irix_limits_const): add test_text
8964 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8966 * cppexp.c (parse_defined): Improve diagnostics for invalid
8969 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8971 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
8973 2001-02-06 Mark Mitchell <mark@codesourcery.com>
8975 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
8976 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
8977 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
8978 (rs6000_output_symbol_ref): New function.
8979 (output_toc): Use VTABLE_NAME_P.
8981 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8983 * print-tree.c (print_node, case PARM_DECL):
8984 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
8986 * stor-layout.c (reference_types_internal): New variable.
8987 (internal_reference_types): New function.
8988 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
8989 * tree.h (internal_reference_types): New declaration.
8991 * cse.c (find_best_addr): Fix typo in computing cost.
8993 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8995 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
8996 and this is the sum of a pointer and a constant, we know the result
8998 (num_sign_bit_copies, case PLUS): Likewise.
8999 * explow.c (convert_memory_address): Remove opposite SUBREG.
9000 * function.c (instantiate_new_reg): New function (from common code).
9001 (instantiate_virtual_regs_1): Call it.
9002 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
9003 if pointers sign- or zero-extend.
9004 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
9005 If pointers extend unsigned, use inside of SUBREG.
9006 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
9008 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
9010 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
9011 subdir of gcc_gxx_include_dir.
9012 (gcc_gxx_target_include_dir): Remove.
9014 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
9016 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
9017 (dwarf2out_frame_debug_expr): Revise introductory comments to add
9018 a high-level description.
9020 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
9022 * final.c: Move the declaration of profile_label_no to ...
9023 * output.h: ... here.
9024 * function.c (expand_function_start): Call PROFILE_HOOK.
9025 * config/rs6000/aix.h: Define PROFILE_HOOK.
9026 * config/rs6000/rs6000-protos.h: output_profile_hook new.
9027 * config/rs6000/rs6000.c (output_profile_hook): Define.
9028 (output_prolog): Do nothing for ABI_AIX as it is taken care by
9029 output_profile_hook.
9030 tm.texi : Explain new macro PROFILE_HOOK.
9032 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
9034 * extend.texi (Extended Asm): Do not say that semicolon is always
9035 a valid line-breaking character for GNU assemblers. Use
9036 newline-tab as the most commonly supported syntax. Use
9037 newline-tab rather than semicolon in multi-insn examples.
9039 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9041 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
9043 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9044 David Edelsohn <edelsohn@gnu.org>
9046 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
9047 code for AIX, even without flag_pic.
9049 2001-02-05 Jakub Jelinek <jakub@redhat.com>
9051 * c-typeck.c (common_type): push and pop binding level around
9052 calling common_type on function parameters.
9054 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
9056 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
9058 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9060 * config/mips/mips.c (override_options): Fix typo in last change.
9061 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
9062 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
9064 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
9066 * invoke.texi (-fdump-class-layout): Document.
9067 (-fdump-translation-unit): Use `=' as filename separator.
9069 2001-02-05 Mark Mitchell <mark@codesourcery.com>
9071 * Makefile.in (s-mlib): Don't build multilibs if
9073 (DRIVER_DEFINES): Adjust accordingly.
9075 (protoize.o): Likewise.
9076 (unprotoize.o): Likewise.
9077 * configure.in: Recognize --enable-multilib.
9079 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9081 * Makefile.in (DRIVER_DEFINES): Fix quoting.
9083 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
9084 * configure.in: Remove --enable-libstdcxx_v3 support.
9085 * configure: Regenerated.
9087 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9089 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
9090 Call abort instead of fatal.
9091 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
9092 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
9093 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
9094 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
9095 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
9096 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
9098 * diagnostic.h (set_internal_error_function): Renamed.
9099 * toplev.h (internal_error): Renamed from fatal.
9100 (pfatal_with_name): Deleted.
9101 (fatal_io_error): Now has printf-style arguments.
9102 * diagnostic.c (pfatal_with_name): Deleted.
9103 (fatal_io_error): Rework to have args in printf-style.
9104 (set_internal_error_function): Renamed from set_fatal_function.
9105 (internal_error): Renamed from fatal.
9106 (error_recursion, fancy_abort): Call internal_error instead of fatal.
9107 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
9108 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
9109 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
9110 * flow.c (verify_flow_info): Likewise.
9111 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
9112 * config/mips/mips.c (save_restore_insns): Likewise.
9114 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
9115 * flow.c (verify_flow_info): Likewise.
9116 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
9117 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
9118 (avr_normalize_condition): Likewise.
9119 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
9120 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
9121 (limit_reload_class, double_reg_to_memory): Likewise.
9122 (print_operand_address, emit_1600_code_shift): Likewise.
9123 (gen_tst_reg, gen_compare_reg): Likewise.
9124 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
9125 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
9127 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
9129 * c-parse.in (methoddef): Call fatal_error instead of fatal.
9130 * objc/objc-act.c (build_ivar_chain): Likewise.
9131 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
9133 * graph.c (clean_graph_dump_file): Likewise.
9134 * profile.c (init_branch_prob): Likewise.
9135 * objc/objc-act.c (objc_init): Likewise.
9137 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
9138 * config/avr/avr.c (avr_override_options): Likewise.
9139 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
9140 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
9141 * config/h8300/h8300.c (h8300_init_once): Likewise.
9142 * config/mips/mips.c (override_options): Likewise.
9143 * config/i386/i386.c (override_options): Likewise, rework.
9144 * config/m68k/m68k.c (override_options): Likewise.
9146 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
9148 * config/mips/mips.c (print_operand): Likewise.
9149 * hash.c (hash_allocate): Don't check for failure returns from
9150 obstack functions that can't fail.
9151 (hash_table_init_n, hash_table_init): Likewise; also now return void.
9152 * hash.h (hash_table_init_n, hash_table_init): Now return void.
9153 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
9154 (get_object_reference): Likewise.
9156 2001-02-04 Nick Clifton <nickc@redhat.com>
9158 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
9159 StrongARM1110, 10TDMI, and 1020T.
9161 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9163 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
9165 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
9167 * config/sh/sh.md (movdf load split): Pass register number to
9168 FP_OR_XD_REGISTER_P.
9170 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9172 * cppinit.c (BC): New macro.
9173 (builtin_array): Add __GXX_WEAK__.
9174 * cpplib.h (builtin_type): Add BT_WEAK.
9175 * cppmacro.c (builtin_macro): Handle BT_WEAK.
9176 * defaults.h (SUPPORTS_ONE_ONLY): Define.
9177 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
9179 2001-02-03 Jakub Jelinek <jakub@redhat.com>
9181 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
9183 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9185 * cpphash.h: Rename _ALIGN POOL_ALIGN.
9186 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9188 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9190 * cpphash.h: Rename ALIGN _ALIGN.
9191 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9193 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
9195 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
9196 compilation environment.
9197 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
9198 control over location of cygwin includes and libs.
9200 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9202 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
9204 2001-02-02 lars brinkhoff <lars@nocrew.org>
9206 * md.texi (Standard Names): remove reference to spur.md.
9208 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9210 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
9211 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
9212 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
9213 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
9214 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
9216 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9218 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
9219 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
9220 number before reload.
9221 (c4x_adjust_cost): Return zero before reload.
9222 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
9223 split before reload.
9225 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9227 * c4x.c (c4x_hard_regno_rename_ok): New.
9228 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
9229 * c4x.h (HARD_REGNO_RENAME_OK): Define.
9231 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9233 * diagnostic.h: Add missing "extern" in all declarations.
9235 2001-02-02 Alex Samuel <samuel@codesourcery.com>
9237 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
9238 as for gcc_gxx_include_dir.
9240 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
9242 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
9244 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9246 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
9247 label before alignment to be used as the braf base address.
9248 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
9250 (casesi_jump_2): Require at least TARGET_SH2.
9252 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
9253 truncation to 32-bit doubles on -m3e and -m4-single-only.
9255 2001-02-02 Mark Mitchell <mark@codesourcery.com>
9257 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
9258 the default when building a shared object.
9259 (init_spec): Use it.
9260 * testsuite/lib/g++.exp: Include the directory where libgcc
9261 is located to the LD_LIBRARY_PATH list.
9262 * invoke.texi (-shared-libgcc): Document the cases in which
9263 GCC defaults to using the shared libgcc.
9265 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9267 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
9268 unsigned is wide enough.
9270 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
9271 (si_to_float): Likewise.
9272 (float_to_si, float_to_usi): Use BITS_PER_SI.
9274 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9276 * dwarf2out.c: Added explanation of abbreviations.
9277 (def_cfa_1): Added comments listing DWARF2 instructions.
9278 (cfa_temp_reg): Removed in favor of cfa_temp.
9279 (cfa_temp_value): Removed in favor of cfa_temp.
9280 (cfa_temp): New global variable.
9281 (dwarf2out_frame_debug_expr): Added extensive introductory
9282 comments explaining the function's transformations. Revised to
9283 use cfa_temp. Added some rtx checking. Generalize IOR case.
9284 (dwarf2out_frame_debug): Revised to use cfa_temp.
9285 (output_aranges): Cast as "unsigned" to avoid warning.
9286 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
9287 explain which instructions must be marked.
9289 2001-02-01 Richard Henderson <rth@redhat.com>
9291 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
9294 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
9296 * config/sh/crt1.asm (main_k): Modified so that start calls
9297 ___setup_argv_and_call_main.
9299 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
9301 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
9302 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
9303 and AVOID_LPASTE is cleared on meeting an unescaped newline.
9304 * cppmacro.c (builtin_macro): Set builtin flags here.
9305 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
9306 (replace_args): Clarify intent.
9307 (cpp_get_token): Macro expansion tokens get the saved flags.
9309 * cppmain.c (scan_buffer): Remove now-redundant print.printed
9312 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9314 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
9317 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9319 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
9320 returns Pmode pseudo, but we need ptr_mode.
9321 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
9322 Remove bogus conversions; use HOST_WIDE_INT for size.
9323 Don't use TARGET if wrong mode.
9325 * config/i386/i386.c (ix86_compute_frame_size): Allow
9326 stack_alignment_needed to be non-default even if size is zero.
9328 2001-01-31 Alan Modra <alan@linuxcare.com.au>
9330 * pa.c (hppa_init_pic_save): New function.
9331 * pa.h (hppa_init_pic_save): Declare.
9332 * pa.md (call, call_value, sibcall, sibcall_value): Use
9333 the above instead of duplicated code.
9335 * pa.c (hppa_encode_label): Correct size of alloca buffer
9336 so we don't overrun it. Correct leading `*' case.
9337 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
9338 need to handle `*@'.
9339 (FUNCTION_NAME_P): Likewise.
9341 2001-01-31 Richard Henderson <rth@redhat.com>
9343 * config.gcc (alpha-osf5): Use float-i128.h.
9345 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
9346 * config/float-i32.h: Likewise.
9347 * config/float-i64.h: Likewise.
9348 * config/float-sh.h: Likewise.
9349 * config/float-sparc.h: Likewise.
9351 2001-01-31 DJ Delorie <dj@redhat.com>
9353 * expmed.c (extract_bit_field): allow non-integral modes if we
9354 want to extract a whole register from itself.
9356 2001-01-31 Jakub Jelinek <jakub@redhat.com>
9358 * c-typeck.c (set_init_index): If first is equal to last, assume as
9359 if it was not a range at all.
9361 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9363 * config/fp-bit.c: Include tm.h.
9364 (float_to_si): Don't assume SImode is 32-bits wide.
9365 (float_to_usi): Likewise.
9367 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
9369 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
9371 (typename): Call pending_xref_error after parsing typed_typespecs.
9372 * c-decl.c (lookup_tag): Give error immediately rather than
9373 leaving it pending if the tag of the wrong type is in the same
9375 (xref_tag): Don't pedwarn for forward declarations of enum types
9377 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
9380 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9382 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
9384 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9386 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
9387 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
9389 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9391 * cpphash.h (struct cpp_reader): New saved_flags.
9392 * cppmacro.c (cpp_get_token): Use saved_flags to remember
9393 to avoid a paste after a pasted token.
9395 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9397 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
9398 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
9399 Wtype_MIN instead of LONG_MIN.
9401 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9403 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
9405 * fixinc/fixincl.x: Regenerated.
9406 * fixinc/inclhack.def (irix_limits_const): New definition to
9407 convert "const" to "__const" in limits.h.
9409 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9411 * fixinc/genfixes (AG): Fix "autogen4" thinko.
9413 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9415 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
9416 when register dies in the insn.
9418 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9420 * diagnostic.c (fatal): Fix word wrap.
9422 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
9424 * combine.c (try_combine): Fix SUBREG setting for
9425 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
9427 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9429 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
9432 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9434 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
9436 * toplev.c (decode_W_option): Update warn_larger_than
9437 unconditionally for each processed switch.
9439 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
9441 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
9443 (hppa_expand_prologue): Delete code to save pic offset table register
9444 in the function prologue.
9445 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
9446 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
9447 table register at the beginning of the function after the prologue.
9449 2001-01-29 lars brinkhoff <lars@nocrew.org>
9451 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
9453 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
9454 Jeff Law <law@redhat.com>
9456 * pa.md (return): Revise comment for trivial return.
9457 (return_internal): Non-trivial return pattern for non-PIC code.
9458 (return_internal_pic): Non-trivial return pattern for PIC code.
9459 It uses the PIC register to ensure it is restored after
9461 (epilogue): Generate appropriate return for PIC and non-PIC code.
9463 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
9465 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
9467 2001-01-29 DJ Delorie <dj@redhat.com>
9469 * combine.c (if_then_else_cond): Pass the correct mode to
9470 operand_subword() for constants.
9472 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
9474 * config/i386/cygwin.h: Add w32api to include search. Search different
9475 directories in a cross-build environment.
9477 2001-11-29 Tim Josling <tej@melbpc.org.au>
9479 * tree.h (TYPE_STUB_DECL): Add documentation.
9481 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
9483 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
9484 (sdbout_field_types): Likwise. Fix use of host_integerp.
9486 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
9488 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
9491 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
9493 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
9494 to use flag_gnu_linker.
9496 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
9498 * cpplib.c (T_BAD_DIRECTIVE): Remove.
9499 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
9501 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
9503 * tree.c, tree.h (build_parse_node): Remove; was identical to
9505 * c-lang.c (start_cdtor), objc/objc-act.c
9506 (build_module_descriptor): Use build_nt instead of
9509 2001-01-29 Jakub Jelinek <jakub@redhat.com>
9511 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
9512 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
9513 not have any upper bits set.
9515 2001-01-29 Phil Edwards <pme@sources.redhat.com>
9517 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
9519 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9521 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
9523 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
9525 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
9526 (integer_minus_one_node): Define.
9528 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
9530 * Makefile.in (bootstrap2-lean): Fix typo.
9532 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
9534 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
9535 : Don't set fe_value.
9536 * cpplib.h (AVOID_LPASTE): New flag.
9537 (struct cpp_hashnode): Remove fe_value.
9538 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
9539 * cppmacro.c (builtin_macro): Don't set flags here.
9540 (replace_args): Set AVOID_LPASTE flag on first token of an
9541 argument, and the token following it.
9542 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
9543 macro expansion, and on the token following it. Do it for
9545 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
9547 2001-01-27 Richard Henderson <rth@redhat.com>
9549 * config/alpha/t-ieee: Remove multilibbing.
9550 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
9552 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9554 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
9556 * Makefile.in: Remove all dependencies on defaults.h.
9557 * builtins.c: Don't include defaults.h.
9558 * c-common.c: Likewise.
9559 * c-decl.c: Likewise.
9560 * c-pragma.c: Likewise.
9561 * c-typeck.c: Likewise.
9562 * combine.c: Likewise.
9564 * frame-ia64.c: Likewise.
9565 * cppexp.c: Likewise.
9566 * crtstuff.c: Likewise.
9567 * dbxout.c: Likewise.
9568 * dwarf2out.c: Likewise.
9569 * dwarfout.c: Likewise.
9570 * emit-rtl.c: Likewise.
9571 * except.c: Likewise.
9573 * final.c: Likewise.
9574 * frame-dwarf2.c: Likewise.
9575 * libgcc2.c: Likewise.
9576 * optabs.c: Likewise.
9577 * profile.c: Likewise.
9578 * sdbout.c: Likewise.
9579 * toplev.c: Likewise.
9580 * tradcif.y: Likewise.
9582 * varasm.c: Likewise.
9584 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9586 * builtins.c (expand_builtin_fputs): Use size_one_node when
9587 transforming into fwrite.
9589 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
9591 * extend.texi (Attribute Syntax): New section.
9593 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9595 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
9596 they didn't need fixing.
9598 2001-01-27 Janis Johnson <janis@us.ibm.com>
9600 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
9602 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
9603 to remove macro definitions that are duplicated from elfos.h.
9605 2001-01-27 Richard Henderson <rth@redhat.com>
9607 * config/i386/sco5gas.h: Move ...
9608 * config/usegas.h: ... here.
9609 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
9611 2001-01-27 Jakub Jelinek <jakub@redhat.com>
9613 * c-typeck.c (struct constructor_stack): Add range_stack member.
9614 (really_start_incremental_init): Clear it.
9615 (push_init_level): Save constructor_range_stack and clear it if
9616 pushing explicit braces.
9617 (pop_init_level): abort if constructor_range_stack is non-zero at
9618 explicit closing brace. Restore saved constructor_range_stack if
9621 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9623 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
9624 into register was forced into memory.
9626 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9628 * Makefile.in: Remove uses of + before $(MAKE).
9630 2001-01-26 Richard Henderson <rth@redhat.com>
9632 * stmt.c (cost_table): Remove.
9633 (COST_TABLE, cost_table_initialized): New.
9634 (estimate_case_costs): Use the later instead of the former.
9635 (balance_case_nodes): Likewise.
9637 2001-01-26 Richard Henderson <rth@redhat.com>
9639 * alias.c (objects_must_conflict_p): Read-only slots may not
9640 conflict despite having the same type.
9642 2001-01-27 Michael Hayes <mhayes@redhat.com>
9644 * loop.c (loop_giv_reduce_benefit): Copy mode size into
9646 (check_ext_dependant_givs): Initialise u_start_val and
9648 (load_mems): Make last_max_reg unsigned.
9649 (try_swap_copy_prop): Use INSN_P and initialise set.
9651 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
9653 * README.AVR : Removed.
9655 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
9657 * pa-64.h (text_section): Remove declaration.
9659 * pa.md (return_internal): Remove mode on PIC register use.
9661 2001-01-25 lars brinkhoff <lars@nocrew.org>
9663 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
9664 ASM_CLOSE_PAREN): fix typos.
9666 2001-01-25 Mark Mitchell <mark@codesourcery.com>
9668 * acconfig.h: Define `const' to the empty string if neither
9669 __STDC__ nor __cplusplus is defined.
9670 * config.in: Regenerated.
9672 2001-01-25 David Edelsohn <edelsohn@gnu.org>
9674 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
9675 * collect2.c (main): Delete importf. Add ".obj" file extension.
9676 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
9677 (aix_std_libs): Add additional AIX libraries to skip.
9678 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
9679 * config/rs6000/aix51.h: New file.
9681 2001-01-25 Michael Hayes <mhayes@redhat.com>
9683 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
9684 (loop_insn_emit_before): No longer static.
9685 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
9686 (loop_givs_rescan, load_mems): Likewise.
9687 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
9688 (maybe_eliminate_biv_1):
9689 (move_movables): Replace emit_call_insn_before with
9690 loop_call_insn_hoist.
9691 * loop.h (loop_insn_emit_before): Add.
9692 * unroll.c (copy_loop_body): Replace emit_insn_before with
9693 loop_insn_emit_before.
9695 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
9697 * diagnostic.c (fatal): Request preprocessed source.
9699 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
9701 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
9702 olddecl has argument types and newdecl has none, use the argument
9705 2001-01-24 Ulrich Drepper <drepper@redhat.com>
9707 * dwarf2out.c (prefix_of): New function. Determine longest common
9708 prefix of the two arguments. The units are whole path components.
9709 (output_file_names): When adding a new directory find the one entry
9710 with the longest common prefix already in the list. Artificially
9711 generate entry if there is none for this prefix.
9712 Fix test to check whether the zeroth directory entry is used.
9714 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
9716 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
9717 Changed all callers. Take it into account when deciding if a
9718 previously loaded value matches.
9720 2001-01-24 Richard Henderson <rth@redhat.com>
9722 * reload.c (find_reloads_subreg_address): Fail the substitution
9723 if the resulting address is insufficiently aligned.
9725 2001-01-24 DJ Delorie <dj@redhat.com>
9727 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
9728 check the original operand's mode also.
9729 * simplify-rtx.c (simplify_ternary_operation): Ditto.
9731 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9733 * c-parse.in (cast_expr): Move compound literals from here ...
9734 (primary): ... to here. Use standard terminology "compound
9735 literal" instead of "constructor expression".
9737 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9739 * gcc.1, cpp.1: Regenerate.
9741 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
9743 * calls.c (emit_library_call_value_1): Memory slot for
9744 pass-by-reference argument should have the mode of the argument,
9745 not of the pointer to it.
9747 2001-01-24 Tom Tromey <tromey@redhat.com>
9749 * gcc.texi (G++ and GCC): Mention gcj manual.
9750 (Standards): Link to section of manual mentioning gcj/Java
9753 2001-01-24 Jakub Jelinek <jakub@redhat.com>
9755 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
9756 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
9757 * tradcpp.c (main): Add -imacros or -include'd dependencies
9759 * cpp.texi (-M, -MM): Document -M -include behaviour.
9761 2001-01-24 Roger Collins <roger@ProProject.com>
9763 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
9765 2001-01-24 Will Cohen <wcohen@redhat.com>
9767 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
9768 whether registers are 32 bits or 64 bits in size.
9770 2001-01-24 Ben Elliston <bje@redhat.com>
9772 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
9774 2001-01-24 Richard Henderson <rth@redhat.com>
9776 * config/alpha/alpha.md (builtin_longjmp_internal): New.
9777 (builtin_longjmp): Use it instead of emit_indirect_jump.
9779 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
9781 * bb-reorder.c (make_reorder_chain_1): Handle case where
9782 jump edge goes to the same block as the fallthru edge.
9784 2001-01-23 Jim Wilson <wilson@redhat.com>
9786 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9787 * frame.h (__ia64_personality_v1): Add prototype.
9788 * libgcc2.c (ia64_throw_helper): Change personality declaration to
9789 prototype form. Add void * cast to first argument to personality
9791 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
9792 (asctoe113): Likewise.
9793 * config/ia64/frame-ia64.c: Include eh-common.h.
9794 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
9796 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
9798 (itanium_split_issue): Add prototype.
9799 (gen_nop_type): Ifdef out.
9800 (find_best_packet): Initialize best_packet.
9801 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
9803 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
9804 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
9805 (flushrs): Add explicit stop bit at end.
9806 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
9809 2001-01-23 Chris Demetriou <cgd@broadcom.com>
9811 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
9813 * libgcc2.c (__terminate_func): Make variable static.
9814 (__terminate_set_func): New function to set __terminate_func.
9815 * libgcc2.h (__terminate_func_ptr): New typedef.
9816 (__terminate_set_func): New function.
9818 2001-01-23 Richard Henderson <rth@redhat.com>
9820 * flow.c (init_propagate_block_info): Don't consider unchanging
9821 memories for dead frame store elimination.
9823 2001-01-23 Richard Henderson <rth@redhat.com>
9825 * varasm.c (UNIQUE_SECTION): Move default implementation ...
9826 * defaults.h: ... here.
9828 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9830 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
9832 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
9834 * c-lex.c (lex_charconst): Fix typo: s/p/str.
9836 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9838 * rs6000.h (rs6000_return_addr): Move prototype from here...
9839 * rs6000-protos.h (rs6000_return_addr): ...to here.
9840 (rs6000_init_expanders): Delete prototype.
9842 2001-01-23 Nick Clifton <nickc@redhat.com>
9844 * invoke.texi: Replace , with \, inside @gccoptlist macros.
9845 (Spec Files): Document %B and %j and %. and %v3 and %M and
9846 %{S*&T} spec switches.
9848 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9850 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
9852 2001-01-23 Chris Demetriou <cgd@sibyte.com>
9853 Neil Booth <neil@daikokuya.demon.co.uk>
9855 * cpperror.c: Merge handlers of PEDWARN and WARNING.
9856 Have -Werror make pedantic warnings errors, like the
9859 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9861 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
9863 2001-01-23 Jakub Jelinek <jakub@redhat.com>
9865 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
9866 * integrate.c (expand_inline_function): Initialize them.
9867 (subst_constants): If changing COMPARE so that both its arguments
9868 will be VOIDmode and the comparison mode will be lost, note
9869 compare_mode. Use the recorded compare_mode to optimize
9872 2001-01-23 Jason Merrill <jason@redhat.com>
9874 * dwarf2out.c (new_die): Use xcalloc.
9875 (output_die): Abort rather than emit a local reference to offset 0.
9877 2001-01-17 Andrew Haley <aph@redhat.com>
9879 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
9880 of a saved register; return NULL instead.
9881 (copy_reg): Take a pointer to a source register rather than a
9883 (next_stack_level): Remember the address in the stack frame of all
9885 Use the saved register pointer array as the source of the CFA.
9886 (throw_helper): Rewrite. Unwind once rather than twice and keep
9887 track of saved registers as we go.
9889 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9891 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
9892 * c4x.c (c4x_legitimize_reload_address): Remove.
9893 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
9894 reload address for ldp(k) insn.
9896 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
9898 * pa.md (return_internal): Add a USE of the PIC register to ensure
9899 it is restored after each call.
9900 (return expander): Corresponding changes.
9902 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9904 * rs6000.h (INIT_EXPANDERS): Delete.
9905 (RETURN_ADDR_RTX): Call rs6000_return_addr().
9906 * rs6000.c (rs6000_override_options): Call *_machine_status from
9908 (rs6000_init_expanders): ...instead of here. Delete.
9909 (rs6000_mark_machine_status): New function.
9910 (rs6000_init_machine_status): Use xcalloc.
9911 (rs6000_return_addr): Generate RTX for the return address.
9912 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
9913 (rs6000_stack_info): Use it.
9915 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
9917 * gthr-win32.h: Include errno.h to get a declaration for
9918 EINVAL and _mingw.h if the target is mingw32.
9920 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9922 * cpp.texi: Correct typos.
9924 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9926 * explow.c (probe_stack_range): Ensure value passed to
9927 stack_check_libfunc is ptr_mode, not Pmode.
9929 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
9931 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
9932 case, don't use operand_subword to calculate a SUBREG that is
9935 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
9937 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9939 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
9940 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
9941 valid. If not replace it by equivalent insns.
9943 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9945 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
9946 contains SYMBOL_REF, LABEL_REF and CONST_INT.
9947 (c4x_U_constraint, symbolic_address_operand): Likewise.
9948 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
9950 (c4x_r11_set_p, c4x_check_laj_p): New functions.
9951 * c4x-protos.h (c4x_check_laj_p): Add prototype.
9952 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
9953 anulling slot because of silicon bug.
9954 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
9956 2001-01-22 Alan Modra <alan@linuxcare.com.au>
9958 * cppexp.c (parse_charconst): Change `mask' type to agree
9961 2001-01-21 Richard Henderson <rth@redhat.com>
9963 * config/i386/i386.c (ix86_asm_file_end): Disable putting
9964 pic_label_name in a linkonce section.
9966 2001-01-17 Philipp Thomas <pthomas@suse.de>
9968 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
9970 * configure: Regenerate.
9972 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
9974 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
9975 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
9977 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
9979 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9980 If REVERSE nonzero then condition code in X must be reversed.
9981 (encode_section_info): Optimise if/else.
9982 (avr_function_value): Fix formatting.
9984 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9985 (difficult_branch): Likewise.
9986 (rvbranch): Likewise.
9987 (difficult_rvbranch): Likewise.
9989 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
9991 * config/avr/libgcc.S: Fix comment.
9993 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9995 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
9997 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9999 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
10001 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10003 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
10004 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
10005 * configure, config.in: Regenerate.
10006 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
10007 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
10008 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
10009 (doprint.o): New rule.
10011 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
10013 * c-typeck.c (digest_init): Handle boolean types as scalars.
10015 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10017 * stmt.c (expand_return): Don't return anything if size is zero.
10018 Delete redundant assignment to BYTES.
10019 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
10021 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
10023 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
10024 the same as the default library function names.
10025 * config/avr/avr.md: Document special characters after '%'.
10026 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
10027 knowing which of the call-used registers are really clobbered.
10028 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
10029 New. Both quotient and remainder from one libgcc.S call.
10030 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
10031 clobber as few registers as possible.
10032 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
10034 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
10036 * cppmacro.c (funlike_invocation_p): Don't move back up to the
10037 context of the top of the stack.
10039 2001-01-20 Jakub Jelinek <jakub@redhat.com>
10041 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
10042 (fixup_var_refs_insns): ...here.
10044 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
10046 * function.c (fixup_var_refs_insns): Break up into
10047 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
10048 [loop over entire insn list], and fixup_var_refs_insns_with_hash
10049 [loop over hash table entries].
10050 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
10051 fixup_var_refs_insns_with_hash, to match above changes.
10053 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
10055 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
10056 (libgcc.a): Likewise.
10057 (stmp-multilib): Likewise.
10058 (STAGE2_FLAGS_TO_PASS): Likewise.
10060 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
10062 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
10063 temporary if no_new_pseudos.
10065 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
10067 * cppinternals.texi: Update.
10069 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
10071 * arm.c (arm_init_builtins): Re-enable builtins.
10073 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10075 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
10076 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
10077 element to be null, and always expect an EXPR_LIST.
10078 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
10079 * sched-deps.c (sched_analyze_1): Likewise.
10080 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10082 * regclass.c (max_set_parallel): New variable.
10083 (reg_scan): Take it into account in computation of max_parallel.
10084 (reg_scan_mark_refs, case SET): Compute it.
10086 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
10088 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
10089 * function.c (assign_parms): Use INTVAL for a CONST_INT.
10091 2001-01-19 Jason Merrill <jason@redhat.com>
10093 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
10094 for the abstract instance of an inline function.
10096 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
10097 J"orn Rennecke <amylaar@redhat.com>
10099 * reload1.c (move2add_note_store): Treat all registers directly or
10100 indirectly derived from a base register as members of the same set
10102 (reload_cse_move2add): Adjust accordingly. Take mode and offset
10103 of base register into account.
10105 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
10107 * alias.c (find_base_value): Recognize TRUNCATE.
10108 (record_set): In PLUS case, invalidate if other summand is also a
10111 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10113 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
10114 entry to be EXPR_LIST.
10115 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
10116 be an EXPR_LIST (but not null, which other code doesn't allow).
10117 (note_stores): Properly handle PARALLEL in SET.
10118 Recursively call for top-level PARALLEL.
10119 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
10120 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10122 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
10124 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
10126 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
10127 not pfile->skipping (== 0).
10129 2001-01-17 Nick Clifton <nickc@redhat.com>
10131 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
10134 2001-01-17 Jim Wilson <wilson@redhat.com>
10136 * invoke.texi (IA-64 options): Improve.
10138 2001-01-17 Tom Tromey <tromey@redhat.com>
10140 * invoke.texi (Optimize Options): Use `{}' to around @samp
10143 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
10145 * invoke.texi (-fno-guess-branch-probability): New option.
10147 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10149 * combine.c (try_combine): Don't set i3_subst_into_i2 for
10150 case of making new double-word constant.
10151 Revert last change: instead just test i3_subst_into_i2.
10153 2001-01-17 Jakub Jelinek <jakub@redhat.com>
10155 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
10156 Use q constraints instead of r.
10158 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
10160 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
10161 (machine_function): Define.
10162 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
10163 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
10164 pa_free_machine_status): New functions.
10165 (override_options): Set {init,mark,free}_machine_status to above.
10166 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10167 PIC_OFFSET_TABLE_REGNUM_SAVED.
10168 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10169 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
10170 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
10171 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
10172 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10174 2001-01-15 DJ Delorie <dj@redhat.com>
10176 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
10180 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10182 * flow.c (propagate_one_insn): Make trying to delete a prologue
10183 or epilogue insn an ICE, not a warning. Allow doing this if
10184 the current function returns with stack pointer depressed.
10186 * combine.c (try_combine): If i3_subst_into_i2, properly check for
10187 I3 having more than one SET.
10189 2001-01-16 Jim Wilson <wilson@redhat.com>
10191 * invoke.texi: Document IA-64 options.
10193 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
10194 (fixup_errata): Delete TARGET_A_STEP use.
10195 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
10196 (TARGET_SWITCHES): Delete -ma-step option.
10197 * config/ia64/ia64.md (all FP patterns): Delete %B0.
10198 (movqicc_astep, movqi_internal_astep, movhicc_astep,
10199 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
10200 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
10201 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
10202 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
10204 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
10205 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
10206 cmovsi_internal): Delete ! TARGET_A_STEP check.
10208 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10210 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
10211 possibility to report bugs via postal mail. Change a URL and
10212 merge in a nearly duplicate statement...
10213 (Bug Reporting): ...from here.
10214 (Service): Refer to the Bug Reporting section instead of
10215 duplicating an URL.
10216 (Contributing): Remove trivial explanations concerning snapshots.
10218 2001-01-16 Alan Modra <alan@linuxcare.com.au>
10220 * cppmain.c (general_init): Don't use ANSI prototype.
10222 2001-01-16 Tom Tromey <tromey@redhat.com>
10224 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
10226 2001-01-16 Richard Henderson <rth@redhat.com>
10228 * config/i386/i386.h: Fix comment typo.
10229 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
10230 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
10232 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10234 * gcc.c: Revert previous -fsyntax-only-related change; move
10237 2001-01-16 Jakub Jelinek <jakub@redhat.com>
10239 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
10240 inmode after checking GET_CODE (op).
10242 2001-01-16 Richard Henderson <rth@redhat.com>
10244 * flow.c (struct propagate_block_info): Add mem_set_list_len.
10245 (MAX_MEM_SET_LIST_LEN): New.
10246 (propagate_one_insn): Update mem_set_list_len.
10247 (invalidate_mems_from_autoinc): Likewise.
10248 (invalidate_mems_from_set): Likewise.
10249 (mark_used_regs): Likewise.
10250 (init_propagate_block_info): Likewise. Stop collecting memories
10251 when we reach MAX_MEM_SET_LIST_LEN.
10252 (mark_set_1): Likewise.
10254 2001-01-16 Richard Henderson <rth@redhat.com>
10256 * unroll.c (precondition_loop_p): Fail if no iteration
10259 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10261 * gcc.c: When -fsyntax-only is given, do not complain about
10264 2001-01-15 Richard Henderson <rth@redhat.com>
10266 * config/i386/i386.c (asm_output_function_prefix): Remove.
10267 (ix86_asm_file_end): New.
10268 (load_pic_register): Generate pic_label_name into a
10269 staticly allocated buffer.
10270 * config/i386/i386-protos.h: Update.
10271 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
10272 (ASM_FILE_END): New.
10273 * config/i386/i386afe.h: New file.
10274 * config.gcc (i?86-*-elf) [tm_file]: Use it.
10275 (i?86-*-{freebsd,linux*,moss*}): Likewise.
10276 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
10277 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
10278 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
10279 * config/i386/sco5.h (ASM_FILE_END): Likewise.
10280 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
10282 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
10284 * Makefile.in (install-man): Remove explicit dependency on
10287 * configure.in, configure: Revert previous patch requiring perl
10290 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
10292 * toplev.c (flag_guess_branch_prob): New.
10293 (f_options): Add guess-branch-probability option.
10294 (rest_of_decl_compilation): Only estimate branch probability if
10296 (main): set flag_guess_branch_prob.
10298 * flags.h (flag_guess_branch_prob): New.
10300 2001-01-15 DJ Delorie <dj@redhat.com>
10302 * gcc.texi (Makefile): Add documentation for Makefile targets.
10304 2001-01-15 Philip Blundell <philb@gnu.org>
10306 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
10308 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
10309 (is_pic): Delete declaration.
10310 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
10311 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
10312 * config/arm/arm.md (builtin_setjmp_receiver): New.
10314 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10316 * arm.c (use_return_insn): Don't try to determine the function type
10317 until after reload has completed.
10318 (arm_output_epilogue): Don't adjust the sp value recovered from the
10320 (emit_multi_reg_push): Don't record dwarf information for the pc.
10321 * arm.md (eh_epilogue): The function type may have changed, so it
10322 needs to be recalculated.
10323 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
10324 unwind tables on arm/netbsd.
10326 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10328 * arm.md (cbranchsi4): Correct calculation of branch ranges.
10329 (negated_cbranchsi4): Likewise.
10331 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10333 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
10334 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10335 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
10336 pass -mapcs-* options to assembler.
10337 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
10338 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10339 (ASM_SPEC): Call subtarget_extra_asm_spec.
10341 2001-01-15 Andreas Jaeger <aj@suse.de>
10343 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
10345 (ix86_expand_builtin): Likewise.
10347 * gencodes.c (output_predicate_decls): Make i size_t to avoid
10348 warning about comparison between signed and unsigned.
10350 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10352 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
10354 2001-01-14 Ralf Baechle <ralf@gnu.org>
10356 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
10357 SUBTARGET_CPP_SPEC apropriatly.
10359 2001-01-12 Mark Mitchell <mark@codesourcery.com>
10361 * varasm.c (make_decl_rtl): Fix typo in last change.
10363 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
10365 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
10366 linker supports the init_priority C++ attribute.
10367 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
10368 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
10369 linker does not support init_priority C++ attribute.
10371 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
10373 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
10375 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10377 * c-parse.in (finish_parse): Add comment about cpp_destroy.
10378 * cp/lex.c (finish_parse): Similarly.
10379 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
10380 Return the number of errors encountered.
10381 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
10382 * cppmain.c (main): Don't call cpp_destroy.
10384 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
10386 * configure.in: Require at least perl 5.6.0 to regenerate
10388 * configure: Regenerate.
10390 2001-01-14 Richard Henderson <rth@redhat.com>
10392 * genrecog.c (DT_veclen_ge): New.
10393 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
10394 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
10395 (nodes_identical_1): Handle DT_veclen_ge.
10396 (write_cond, debug_decision_2): Likewise.
10398 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10400 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
10402 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
10404 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10406 * cppmain.c (do_preprocessing): New function; most of the old
10408 (main): Call it to do most of the work.
10409 (cb): Move from global scope to set_callbacks ().
10410 (setup_callbacks): Get the callback pointer.
10411 (general_init, printer_init): Clean up code and comments.
10413 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10415 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
10418 2001-01-14 Kazu Hirata <kazu@hxi.com>
10420 * config/h8300/h8300.c (get_shift_alg): Update comments.
10422 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10424 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
10425 (alloc_page, ggc_alloc): Add casts to remove warnings.
10427 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10429 * combine.c (simplify_comparison): Don't change `code' when
10430 can't reverse comparison.
10432 2001-01-14 Richard Henderson <rth@redhat.com>
10434 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
10435 update all call sites. Return true for all non-label constants.
10437 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
10439 * i386.c (ix86_expand_compare): Add bypass_test and second_test
10441 (ix86_expand_branch): Update.
10442 (ix86_expand_setcc): Update to handle multiple test conditions.
10443 (expand_int_movcc): Likewise.
10444 (expand_fp_movcc): Likewise.
10445 * i386-protos.h (ix86_expand_compare): New.
10446 * i386.md (andqi_?_slp, orqi_?_slp): New.
10447 (conditional trap expander): Update call to ix86_expand_compare.
10449 2001-01-14 Richard Henderson <rth@redhat.com>
10451 * config/vax/vax.md: Use nonimmediate_operand instead of
10452 general_operand in destinations.
10454 * config/vax/vax.md (indirect_jump): Use register_operand.
10456 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
10457 * config/vax/vax.md (call_pop): Turn into an expander.
10458 (call_value_pop): Likewise.
10459 (call, call_value): New.
10461 2001-01-14 Andreas Jaeger <aj@suse.de>
10463 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
10465 (ix86_fp_compare_mode): Add unused attribute.
10466 (ix86_expand_fp_movcc): Remove unused variable.
10467 (ix86_expand_builtin): Make fcode unsigned.
10469 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
10470 (expand_expr): Add cast to avoid signed warning.
10471 (store_field): Likewise.
10472 (store_constructor_field): Likewise.
10473 (store_constructor): Likewise.
10474 (store_expr): Likewise.
10475 (clear_storage): Likewise.
10476 (emit_group_store): Likewise.
10477 (emit_group_load): Likewise.
10479 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10481 * c-common.c: Move format checking code to ...
10482 * c-format.c: ... here. New file. Reorder some functions and
10484 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
10486 * c-common.h (decl_handle_format_attribute,
10487 decl_handle_format_arg_attribute): Declare.
10488 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
10489 (c-common.o): Adjust dependencies.
10490 (c-format.o): New list of dependencies.
10492 2001-01-13 Jakub Jelinek <jakub@redhat.com>
10494 * unroll.c (loop_iterations): If we cannot prove iteration variable
10495 is set once in each iteration, punt.
10497 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
10499 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
10500 (*strlenhi): Remove clobber (which was buggy) of output address.
10502 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10504 * Makefile.in (generated-manpages): Add gcc.1
10505 ($(srcdir)/gcc.1): New target.
10506 (maintainer-clean): Delete $(srcdir)/gcc.1.
10507 * gcc.texi: Add macros @gccoptlist and @gol.
10508 * invoke.texi: Include option summary in manpage. Mark up option
10509 summary with @gccoptlist and @gol. Use @r in one place where
10511 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
10512 * gcc.1: Generate from invoke.texi.
10514 2001-01-13 Richard Henderson <rth@redhat.com>
10516 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
10517 (struct page_entry): Add group member.
10518 (struct page_group): New.
10519 (struct globals): Add page_groups member.
10520 (alloc_anon): Only define for using mmap; remove valloc call.
10521 (page_group_index): New.
10522 (set_page_group_in_use): New.
10523 (clear_page_group_in_use): New.
10524 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
10525 (free_page, release_pages): Likewise.
10526 * configure.in (with-gc): Default to ggc-page always.
10528 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10530 * reload1.c (replace_pseudos_in_call_usage): Use
10531 reg_equiv_constant and reg_equiv_address, and don't try
10532 regno_reg_rtx first.
10534 2001-01-13 Richard Henderson <rth@redhat.com>
10536 * ggc-page.c (alloc_page): Round up allocation size to one page.
10537 Set e->order on extra pages.
10539 2001-01-13 Richard Henderson <rth@redhat.com>
10541 * genrecog.c (nodes_identical): Expand commentary.
10542 (write_switch): Watch out for identical nodes.
10544 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10546 * cppfiles.c (_cpp_fake_include): New function.
10547 * cpphash.h (_cpp_fake_include): New.
10548 * cpplib.c (do_line): Call _cpp_fake_include when entering
10549 header files in preprocessed input.
10550 * cppmain.c (cb_pragma_implementation): Remove handling.
10551 (setup_callbacks): Don't register pragmas.
10553 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10555 * extend.texi: Udate for CPP.
10557 2001-01-13 Andreas Jaeger <aj@suse.de>
10559 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
10561 * regmove.c: Add prototype for replace_in_call_usage.
10563 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10565 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
10566 struct cpp_chunk, struct htab, struct toklist,
10567 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
10568 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
10569 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
10570 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
10571 (struct macro_args): Delete.
10572 * cpphash.h: See above.
10574 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10576 * cppmain.c (struct printer): Remove no_line_dirs.
10577 (options, cb): New.
10578 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
10579 : Use options rather than CPP_OPTION.
10580 (setup_callbacks): Use cb rather than pfile->cb.
10581 (main): No need to check for a buffer. Use cpp_errors.
10582 (printer_init): Don't set no_line_dirs.
10583 (maybe_print_line): Use options not no_line_dirs.
10584 (cb_file_change): Don't call print_line if -P.
10586 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10588 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
10590 * c-parse.in (finish_parse): Use cpp_errors.
10591 (__yylex): Use return value of cpp_pop_buffer.
10592 * cp/lex.c (finish_parse): Use cpp_errors.
10593 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
10595 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
10597 * README.AVR: URLs corrected.
10599 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10601 * c-decl.c (start_function): Don't warn if old prototype is builtin
10602 that's not in C's namespace.
10603 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
10604 (_bb): Add prototype for ctime.
10605 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
10607 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
10609 * i386.c (ix86_fp_comparison_arithmetics_cost,
10610 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
10611 ix86_fp_comparison_cost): New functions.
10612 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
10613 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
10614 two-branch sequences; make static.
10615 (ix86_use_fcomi_compare): Do decision according to the costs.
10616 (split_fp_branch): New.
10617 * i386.md (compare-and-branch patterns): Use split_fp_branch.
10618 * i386-protos.h (ix86_expand_fp_compare): Remove
10619 (ix86_split_fp_branch): Declare.
10621 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
10622 and ix86_comparison_operator.
10624 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
10625 to make it cheaper.
10627 * i386.c (put_condition_code): Output properly the unordered/ordered
10628 compares in fp case.
10629 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
10631 * tm.texi (REVERSE_CONDITION): Document.
10632 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
10633 in -ffast-math mode.
10634 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
10636 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10638 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
10640 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
10643 * config/sh/sh.c (mova_p): Fix test for mova_const.
10645 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10647 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
10648 cpp_get_options rather than dereferencing pfile and using
10650 * scan-decls.c (scan_decls): Use return value of
10651 cpp_pop_buffer rather than CPP_BUFFER.
10653 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10655 * cppinit.c (cpp_handle_option): help_only is now part of the
10656 cpp_options structure.
10657 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
10658 cpp_set_callbacks): New functions.
10659 * cpplib.h (cpp_callbacks): Break out as a named structure.
10660 (cpp_options): Move help_only here from cpp_reader.
10661 (CPP_FATAL_ERRORS): Update to use cpp_errors.
10662 (cpp_errors, cpp_get_options, cpp_get_callbacks,
10663 cpp_set_callbacks): New prototypes.
10664 * cppmain.c (main): Update for help_only.
10666 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10668 * Makefile.in (info, maintainer-clean, install-info, uninstall):
10669 Also build and remove and install and uninstall c-tree.info and
10671 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
10672 ($(srcdir)/cppinternals.info): New target.
10673 * c-tree.texi: Change file name used when makeinfo used without -o
10674 from ir.info to c-tree.info. Add info directory entry.
10675 * cppinternals.texi: Add info directory entry.
10676 * .cvsignore: Update.
10678 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10680 * c-typeck.c (store_init_value): Don't require constant initializer
10681 elements with -pedantic -std=c99.
10682 (digest_init): Change error about non-constant initializer elements
10684 (constructor_range_end): Remove.
10685 (constructor_incremental, designator_depth,
10686 designator_errorneous): New variables.
10687 (struct constructor_stack): Remove range_end, add incremental.
10688 (struct constructor_range_stack, constructor_range_stack): New.
10689 (struct initializer_stack): Add constructor_range_stack.
10690 (finish_init): Set it.
10691 (start_init): Likewise. require_constant_elements for non-static
10692 trees only if not flag_isoc99.
10693 (really_start_incremental_init): Remove constructor_range_end, add
10694 constructor_incremental.
10695 (pop_init_level): Likewise.
10696 (push_init_level): Likewise. If implicit and the subobject had some
10697 value set already, preinitialize the level with it.
10698 Warn about missing braces only if not pushing due to designators.
10699 (set_designator, push_range_stack): New functions.
10700 (set_init_label): Use them.
10701 (set_init_index): Likewise. Remove constructor_range_end.
10702 Error if designator index is outside of array bounds.
10703 (add_pending_init): Compare values of purpose index trees, not the
10704 trees themselves. Allow overwriting of already initialized element.
10705 Issue a warning if it had side-effects.
10706 (set_nonincremental_init, set_nonincremental_init_from_string): New
10708 (pending_init_member): Rename to...
10709 (find_init_member): ...this function. Call set_nonincremental_init
10710 if necessary. Compare values of purpose index trees, not the trees
10711 themselves. Return the actual value, not just non-zero if something
10713 (output_init_element): Remove checks for duplicates.
10714 If field has zero size, only check the initializer for correctness.
10715 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
10716 if constructor_incremental is zero. Change error about initializers
10717 not computable at load time into pedwarn.
10718 (output_pending_init_elements): Compare bit positions, not
10719 FIELD_DECLs to take into account zero-sized fields.
10720 (process_init_element): Use constructor_range_stack to fill all
10721 ranges in the designator lists from current level up.
10722 * extend.texi: Update documentation for labeled elements.
10724 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
10726 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
10727 to function usage for arguments passed by reference. Optimize
10728 callee-copied arguments.
10729 * regmove.c (replace_in_call_usage): New function.
10730 (fixup_match_1): Call it.
10731 * cse.c (cse_insn): Canonicalize registers in function usage.
10732 * reload1.c (replace_pseudos_in_call_usage): New function.
10735 * Makefile.in: Reverted yesterday's wrong patch. Installed the
10738 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10740 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
10743 2001-01-12 DJ Delorie <dj@redhat.com>
10745 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
10746 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
10749 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10751 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
10752 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
10753 -std options alongside references to -ansi. Update some
10754 documentation for C99.
10755 * cpp.1: Regenerate.
10757 2001-01-12 Andreas Jaeger <aj@suse.de>
10759 * haifa-sched.c (restore_line_notes): Remove argument block B
10761 * sched-ebb.c (schedule_ebb): Change caller.
10762 * sched-rgn.c (schedule_region): Likewise.
10763 * sched-int.h (restore_line_notes): Adjust prototype.
10765 * loop.h: Remove wrong declaration of doloop_condition_get.
10767 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10769 * extend.texi: Move C++-extension-related node from the C section
10770 into the C++ section.
10772 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10774 * extend.texi: Refer to an array of pointers to functions instead
10775 of one of functions.
10777 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
10778 Jan Hubicka <jh@suse.cz>
10780 * combine.c (reversed_comparison): Fix typo in last patch.
10782 (combine_reversed_comparison_code): Make static to follow
10783 prototype declaration.
10785 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10787 * install.texi: Remove misplaced duplicate entry.
10789 2001-01-11 Ulrich Drepper <drepper@redhat.com>
10791 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
10793 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
10795 * final.c: (leaf_function_p): Fix typo.
10797 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
10799 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
10800 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10802 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
10803 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
10804 mmap_anon, and valloc is available.
10805 * ggc-page.c: Restructure ifdef logic to match new autoconf
10806 spec. Don't throw away the test page in init_ggc.
10808 * configure, config.in: Regenerate.
10810 2001-01-12 Michael Hayes <mhayes@redhat.com>
10812 * loop.h (total_biv_increment): Constify iv_class pointer.
10813 (struct induction): Replace `mem_mode' with `mem' rtx.
10814 * unroll.c (total_biv_increment): Constify iv_class pointer.
10815 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
10816 (find_mem_givs, combine_givs_p): Likewise.
10817 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
10819 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
10821 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
10823 (__gthread_getspecific): Ditto.
10825 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
10827 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
10828 put_condition_code): Convert fp comparison codes to integer
10830 (ix86_expand_fp_compare): Postnote the fp comparison code converison
10833 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
10834 * i386-protos.h (no_comparison_operator): Kill.
10836 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
10838 * combine.c (REVERSIBLE_CC_MODE): Remove.
10839 (reversible_comparison_p): Remove.
10840 (combine_reversed_comparison_code): New.
10841 (reversed_comparison): New.
10842 (combine_simplify_rtx): Use
10843 combine_reversed_comparison_code/reversed_comparison instead
10844 of reversible_comparison_p.
10845 (simplify_if_then_else): Likewise.
10846 (simplify_set): Likewise.
10847 (simplify_logical): Likewise.
10848 (if_then_else_cond): Likewise.
10849 (known_cond): Likewise.
10850 (simplify_comparison): Likewise.
10852 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
10854 * builtins.c (std_expand_builtin_va_start): Handle varargs when
10855 sizeof (int) is larger than sizeof(__word__).
10857 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10859 * cppinit.c (do_includes): Fix typo.
10861 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10863 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
10864 in S_REGS does not occur because not all sources are possible
10865 when a S_REGS is a destination (sometimes needs a clobber).
10866 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
10867 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
10868 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
10869 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
10870 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
10871 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
10872 (lshrdi_const1, lshrsi3_const16): Likewise.
10873 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
10874 (*movhi_68hc12, *movqi_68hc12): Likewise.
10875 (movstrictqi): Make sure reloading in D_REGS as a destination
10878 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10880 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10882 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10884 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
10885 -D, -U and -A, and don't initialize the builtins.
10886 (do_includes): Error if -include or -imacros with -fpreprocessed.
10887 * cppmain.c (cb_define, cb_undef): Unconditionally process
10889 * tradcpp.c (main): Fix typo.
10891 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
10893 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
10894 (read_name_map): Use IS_ABSOLUTE_PATH.
10895 * tradcpp.c (get_filename): Likewise.
10897 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10899 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
10900 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
10901 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
10902 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
10903 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
10904 (cmphi_z_used): Don't use '@' for the output.
10905 (tstqi_z_used): Likewise.
10906 (cmpqi_z_used): Likewise.
10907 (one_cmplsi2): Likewise.
10909 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10911 * config/sh/sh.c (barrier_align): Recognize branch around far
10912 branch and redundant insn.
10914 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10916 * invoke.texi: Restore documentation of the drivers' switches -MD
10919 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10921 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
10923 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
10924 check-objc//%): Support parallel testing of multilibs.
10925 (TESTSUITEDIR): Set to testsuite by default, but override for
10927 (check-gcc, check-g++, check-g77, check-objc): Enter
10930 2001-01-11 Bernd Schmidt <bernds@redhat.com>
10932 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
10933 * sched-deps.c (deps_may_trap_p): Likewise.
10934 * basic-block.h: Remove a comment.
10935 * flow.c (PROP_POSTRELOAD): Remove.
10936 (update_life_info): Don't add it to prop_flags.
10937 (mark_set_1): Lose the code that was enabled by it.
10939 2001-01-11 Michael Hayes <mhayes@redhat.com>
10941 * flow.c (flow_call_edges_add): New.
10942 * basic_block.h (flow_call_edges_add): New.
10944 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
10946 * reload1.c (move2add_note_store): Update reg_set_luid even if
10947 base reg remains the same.
10949 2001-01-10 Nick Clifton <nickc@redhat.com>
10951 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
10952 machine_function structure to zero.
10953 Add prototypes for machine_status functions.
10955 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10957 * c-common.h (CTI_VOID_LIST): Remove.
10958 (void_list_node): Likewise.
10959 * tree.h (TI_VOID_LIST_NODE): New enumeral.
10960 (void_list_node): New macro.
10961 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
10962 * config/i386/i386.c (ix86_init_builtins): Likewise.
10963 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
10965 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10967 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
10968 * cppinit.c (cpp_start_read): Update comment, remove unneeded
10970 * tradcpp.c: Include mkdeps.h.
10971 (deps, print_deps_phony_targets, deps_append, output_deps,
10972 init_dependency_output, output_deps): New.
10973 (deps_buffer, deps_allocated_size, deps_size, deps_column,
10974 deps_output): Delete.
10975 (print_deps_missing_files): Rename deps_missing_files.
10976 (inhibit_output): Make global.
10977 (main): Delete inhibit_output, deps_stream, deps_target.
10978 Use mkdeps functionality in the same way as cpplib. Remove
10979 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
10980 -M and -MM. Remove old handling of deps via deps_out, and
10981 old reading of environment variables.
10982 (get_filename): Update to use deps_add_dep.
10984 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10986 * output.h (make_function_rtl): Remove prototype.
10987 (make_decl_rtl): Likewise.
10988 * varasm.c (make_function_rtl): Remove.
10989 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
10990 than from a third parameter.
10991 * tree.h (make_decl_rtl): Remove last parameter.
10992 * c-decl.c (builtin_function): Remove last argument in call to
10993 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
10994 (start_function): Likewise.
10995 * except.c (call_get_eh_context): Likewise.
10996 * expr.c (emit_block_move): Likewise.
10997 (clear_storage): Likewise.
10998 * profile.c (output_func_start_profiler): Likewise.
10999 * toplev.c (rest_of_decl_compilation): Likewise.
11000 * objc/objc-act.c (create_builtin_decl): Likewise.
11001 (synth_module_prologue): Likewise.
11002 (generate_static_reference): Likewise.
11003 (build_selector_reference_decl): Likewise.
11004 (build_class_reference_decl): Likewise.
11005 (build_objc_string_decl): Likewise.
11006 (build_protocol_reference): Likewise.
11008 2001-01-10 Richard Henderson <rth@redhat.com>
11010 * hwint.h: Revert yesterday's change.
11012 2001-01-10 Nick Clifton <nickc@redhat.com>
11014 * function.h (save_machine_status): Delete.
11015 (restore_machine_status): Delete.
11016 Amend comment describing {init|mark|free}_machine_status.
11018 * function.c (save_machine_status): Delete.
11019 (restore_machine_status): Delete.
11020 Amend comment describing {init|mark|free}_machine_status.
11021 (push_function_context_to): Remove invocation of
11022 save_machine_status.
11023 (pop_function_context_from): Remove invocation of
11024 restore_machine_status.
11026 * emit-rtl.c (init_emit_once): Amend comment describing
11027 {init|mark|free}_machine_status.
11029 * tm.texi (Per-Function Data): New node. Describe the
11030 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
11033 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11035 * cppinit.c (OPT_g): Remove.
11036 (cpp_handle_option): Update for removed -g3.
11037 (print_help): Update.
11038 * cpplib.h (struct cpp_options): Remove debug_output.
11039 * cppmain.c (setup_callbacks, cb_define): Update.
11040 * gcc.c (cpp_options): Translate -g3 to -dD.
11042 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
11044 * config/i960/i960.md: Change modifier to + on the zero_extract
11045 pattern after the (rotate -2 reg) canonicalization pattern.
11047 2001-01-10 Richard Henderson <rth@redhat.com>
11049 * config/alpha/alpha.c (alpha_free_machine_status): New.
11050 (override_options): Install it.
11051 (alpha_mark_machine_status): Verify machine non-null.
11052 * config/i386/i386.c (ix86_free_machine_status): New.
11053 (override_options): Install it.
11054 (ix86_init_machine_status): Use xcalloc.
11055 (ix86_mark_machine_status): Verify machine non-null.
11056 * config/ia64/ia64.c (ia64_free_machine_status): New.
11057 (ia64_override_options): Install it.
11058 (ia64_mark_machine_status): Verify machine non-null.
11060 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
11062 * function.c (instantiate_virtual_regs): Instantiate virtual
11063 registers found in CALL_INSN_FUNCTION_USAGE.
11065 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11067 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
11068 equivalent to -ansi in disabling -Di386.
11070 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
11072 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
11074 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
11076 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
11078 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
11080 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11082 * invoke.texi: Document that -fcond-mismatch isn't supported for
11085 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11087 * gcc.texi: Define macro gcctabopt.
11088 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
11089 @command, @env and @option in some places where appropriate. Use
11090 @gcctabopt where appropriate. Put URLs and email addresses inside
11093 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
11095 * gcc.c (cpp_options): Set MD file name from output
11096 filename, if specified.
11097 (suffix_subst): New static variable.
11098 (do_spec): Clear it.
11099 (do_spec_1, case '.'): Handle new `%.suffix' spec.
11101 (give_switch): Handle suffix_subst.
11103 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11105 * invoke.texi: Fix another typo.
11107 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11109 * invoke.texi: Fix typo.
11111 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11113 * c-lang.c (lang_hooks): Update.
11114 (lang_decode_option): Remove.
11115 (lang_init_options): Rename c_init_options.
11116 * toplev.c (main): Use lang_hooks for lang_init_options
11117 and lang_decode_option.
11118 * toplev.h (lang_hooks): Add 2 new hooks.
11119 * tree.h: Remove lang_init_options and lang_decode_option.
11120 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
11121 * cp/decl2.c: Similarly.
11122 * cp/lex.c (lang_init_options): Rename cxx_init_options.
11123 (lang_hooks): Update.
11124 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
11126 (lang_init_options): Rename ffe_init_options.
11127 (lang_hooks): Update.
11128 (lang_decode_option): Remove.
11129 * java/lang.c (lang_init_options): Rename java_init_options.
11130 (lang_decode_option): Rename java_decode_option.
11131 (lang_hooks): Update.
11132 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
11133 (lang_decode_option): Rename objc_decode_option.
11134 (lang_hooks): Update.
11136 2001-01-09 Nick Clifton <nickc@redhat.com>
11138 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
11139 (d30v_return_addr_rtx): Delete.
11140 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
11141 cfun->machine structure.
11142 (struct machine_function): Move to d30v.h
11143 (d30v_save_machine_status): Delete.
11144 (d30v_restore_machine_status): Delete.
11145 (d30v_init_machine_status): New Function.
11146 (d30v_mark_machine_status): New Function.
11147 (d30v_free_machine_status): New Function.
11148 (d30v_init_expanders): Use new functions.
11149 (d30v_return_addr): Use ra_rtx field in cfun->machine.
11150 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
11151 d30v_return_addr_rtx.
11153 * config/d30v/d30v.h (struct_machine): Move here.
11154 Add eh_epilogue_sp_ofs field.
11156 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
11157 field in cfun->machine structure.
11159 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
11161 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
11162 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
11163 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11165 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
11167 * objc/lang-options.h: Remove bogus reference to
11170 2001-01-09 Kazu Hirata <kazu@hxi.com>
11172 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
11175 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
11177 * reload.c (find_reloads_address): Check for eliminable registers
11178 when substituting a constant expression for a pseudo.
11180 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
11182 * c-common.c (enum format_type): Add format_type_error.
11183 (decode_format_type): New function.
11184 (decl_attributes): Use it.
11185 (format_kind_info): Adjust comment.
11187 2001-01-09 David O'Brien <obrien@BSDi.com>
11189 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
11190 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
11192 * config/i386/gnu.h: Don't include required platform specific .h files,
11193 tm.h will do it instead.
11194 * config/i386/i386elf.h: Likewise.
11195 * config/i386/linux.h: Likewise.
11196 * config/i386/moss.h: Likewise.
11197 * config/mips/gnu.h: Likewise.
11199 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11201 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
11202 (rs6000-ibm-aix3.[01]*): Likewise.
11203 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
11204 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
11205 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
11206 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
11207 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
11208 (powerpc-*-eabiaix*): Likewise.
11209 (powerpc-*-eabisim*): Likewise.
11210 (powerpc-*-elf*): Likewise.
11211 (powerpc-*-eabi*): Likewise.
11212 (powerpc-*-rtems*): Likewise.
11213 (powerpc-*-linux*libc1): Likewise.
11214 (powerpc-*-linux*): Likewise.
11215 (powerpc-wrs-vxworks*): Likewise.
11216 (powerpcle-wrs-vxworks*): Likewise.
11217 (powerpcle-*-sysv*): Likewise.
11218 (powerpcle-*-elf*): Likewise.
11219 (powerpcle-*-eabisim*): Likewise.
11220 (powerpcle-*-eabi*): Likewise.
11221 (powerpcle-*-solaris2*): Likewise.
11222 * config/rs6000/aix31.h: Delete includes.
11223 * config/rs6000/aix3newas.h: Likewise.
11224 * config/rs6000/aix41.h: Likewise.
11225 * config/rs6000/aix43.h: Likewise.
11226 * config/rs6000/beos.h: Likewise.
11227 * config/rs6000/rtems.h: Likewise.
11228 * config/rs6000/sysv4.h: Likewise.
11230 2001-01-09 Kazu Hirata <kazu@hxi.com>
11232 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
11233 Change an argument mode of machine_mode to shift_mode of
11234 shift_mode. Remove an extra error check.
11235 (emit_a_shift): Adopt to the new calling prototype of
11237 (function_prologue): Fix code for a monitor
11238 function. Support H8/S.
11239 (function_epilogue): Do not output pop for a monitor function.
11241 2001-01-09 Nick Clifton <nickc@redhat.com>
11243 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
11244 (setup_incoming_varargs): Use sysv_varargs_p field of the
11245 cfun->machine structure.
11246 (struct machine_function): Move to rs6000.h
11247 (rs6000_save_machine_status): Delete.
11248 (rs6000_restore_machine_status): Delete.
11249 (rs6000_init_machine_status): New Function.
11250 (rs6000_free_machine_status): New Function.
11251 (rs6000_init_expanders): Use new functions.
11253 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
11255 (struct machine_function): Move here.
11257 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
11258 sysv_varargs_p field of the cfun->machine structure.
11260 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
11262 (rs6000_restore_machine_status): Remove prototype.
11264 2001-01-09 Richard Henderson <rth@redhat.com>
11266 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
11267 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
11268 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
11269 (sched_analyze_2, sched_analyze_insn): Likewise.
11270 (sched_analyze, init_deps): Likewise.
11271 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
11272 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
11273 (compute_block_backward_dependences): Update propagate_deps call.
11275 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
11277 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
11279 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11281 * cppinit.c (OPT_MD, OPT_MMD): Restore.
11282 (cpp_handle_option): Handle them.
11283 (cpp_post_options): Ensure one of -M or -MM is specified with
11284 any other -M? option.
11285 (init_dependency_output): Suppress output with -MG.
11287 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11289 * cpp.texi: Update.
11290 * invoke.texi: Update.
11292 2001-01-09 Bernd Schmidt <bernds@redhat.com>
11294 * sh.md (reload_outsf): Generate recognizable patterns for
11297 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11299 * c-lang.c (lang_hooks): Update.
11300 (lang_init): Rename c_init.
11301 (lang_finish): Remove.
11302 * toplev.c (compile_file): Use lang_hooks for lang_init ()
11303 and lang_finish ().
11304 * toplev.h (lang_hooks): Add init () and finish ().
11305 * tree.h (lang_init, lang_finish): Remove.
11306 * cp/tree.h (lang_init, lang_finish): Remove.
11307 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
11308 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
11310 (lang_init, lang_finish): Remove.
11311 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
11312 (lang_hooks): Update.
11313 * java/lang.c (lang_init): Rename java_init.
11314 (lang_finish): Remove.
11315 (lang_hooks): Update.
11316 * objc/objc-act.c (lang_init): Rename objc_init.
11317 (lang_finish): Remove.
11318 (lang_hoooks): Update.
11320 20001-01-09 Graham Stott <grahams@redhat.com>
11322 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
11323 after `ptr` is initialised.
11325 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11327 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
11328 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
11329 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
11330 stack adjusts, instead of r3.
11332 2001-01-09 Michael Hayes <mhayes@redhat.com>
11334 * flow.c (flow_loop_scan): Break out of ...
11335 (flow_loops_find) ... here.
11336 * basic-block.h (flow_loop_scan): New.
11337 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
11338 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
11340 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11342 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
11344 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
11345 realloc()ing macro_buffer.
11347 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
11348 if it's wider than long and the target's long is wider than the
11351 2001-01-09 Mark Mitchell <mark@codesourcery.com>
11353 Remove support for using UWIN as a host machine.
11354 * configure.in: Issue an error message.
11355 * configure: Regenerated.
11356 * config.gcc: Remove xm_* UWIN configury.
11357 * config/i386/xm-uwin.h: Remove.
11359 2001-01-08 Nick Clifton <nickc@redhat.com>
11361 * config/v850/v850.c (ra_rtx): Delete.
11362 (v850_save_machine_status): Delete.
11363 (v850_restore_machine_status): Delete.
11364 (v850_init_machine_status): New function.
11365 (v850_mark_machine_status): New function.
11366 (v850_free_machine_status): New function.
11367 (v850_return_addr): Use ra_rtx field in machine structure.
11368 (v850_init_expanders): Use new functions.
11370 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
11371 * config/v850/v850.c: Change arguments to v850_output+* functions
11372 to take a const char *, to avoid compile time warning.
11373 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
11374 (USER_LABEL_PREFIX): Redefine.
11376 2000-01-08 Jim Wilson <wilson@redhat.com>
11378 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
11379 1 to unsigned HOST_WIDE_INT before left shift.
11381 2001-01-08 Nick Clifton <nickc@redhat.com>
11383 * config/arm/arm.c (arm_mark_machine_status): Check to see if
11384 the machine structure has been allocated.
11385 (arm_free_machine_status): New function: Free the machine
11386 specific function structure.
11388 2001-01-08 Richard Henderson <rth@redhat.com>
11390 * jump.c (simplejump_p): Revert last change.
11392 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
11394 * cppinit.c (init): Rename init_library.
11395 (cpp_create_reader): Update.
11396 * gcc.c (cpp_options): If -o given, use it as the target of
11399 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11401 * arm.c (arm_arch5e): New variable.
11402 (all_cores): XScale is a 5TE device.
11403 (arm_override_options): Set arm_arch5e.
11404 (arm_init_builtins): __builtin_prefetch is in arch5e.
11405 * arm.h (arm_arch5e): Declare it.
11407 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
11409 * arm.md (define_constants): Add defines for UNSPEC and
11410 UNSPEC_VOLATILE insns. Update all users.
11411 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
11412 * arm.c (multi_register_push, note_invalid_constants)
11413 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
11414 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
11415 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
11417 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
11419 * jump.c (jump_optimize_1): Use reversed_comparison_code
11420 instead of can_reverse_comparison_p.
11421 (jump_back_p): Likewise.
11422 (invert_exp_1): Likewise.
11423 (thread_jumps): Likewise.
11424 * simplify-rtx.c (simplify_unary_operation): Likewise.
11425 (simplify_ternary_operation): Likewise.
11426 * cse.c (find_comparison_args): Convert to use
11427 can_reverse_comparison_p.
11428 (record_jump_equiv): Likewise.
11430 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11432 * arm.h (HARD_REGNO_RENAME_OK): Delete.
11433 (EPILOGUE_USES): Define.
11434 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
11435 automatically stack the LR if it isn't live.
11437 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
11439 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
11442 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
11444 * ggc-page.c (max_alignment): New structure.
11445 (MAX_ALIGNMENT): New macro.
11446 (init_ggc): Use it to round up the sizes in the
11447 extra_order_size_table.
11449 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11451 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
11454 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11456 * builtins.def (BUILT_IN_FPRINTF): New entry.
11458 * c-common.c (c_expand_builtin_fprintf): New function.
11459 (init_function_format_info): Handle __builtin_fprintf.
11460 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
11461 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
11463 * c-decl.c (duplicate_decls): Adjust comment.
11465 * extend.texi (fprintf): Document new builtin.
11467 2001-01-07 Richard Henderson <rth@redhat.com>
11469 * jump.c (simplejump_p): Recognize any single_set jump
11470 of the proper form.
11472 2001-01-07 Richard Henderson <rth@redhat.com>
11474 * configure.in (slibdir): Accept an --with-slibdir option.
11475 Use "test" not "[" in configure. Default to $(libdir).
11477 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
11479 * config/t-aix43 (SHLIB_INSTALL): Likewise.
11480 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
11481 (SHLIB_LINK): Create links for the soname.
11482 * config/mips/t-iris6: Likewise.
11483 * config/sparc/t-slibgcc: Likewise.
11484 * config/sparc/t-slibgcc-sld: Likewise.
11486 2001-01-07 Jakub Jelinek <jakub@redhat.com>
11488 * config/i386/i386.c (constant_call_address_operand): Accept
11489 (const (plus (symbol_ref) (const_int))).
11490 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
11491 constant_call_address_operand.
11493 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11495 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
11496 and LONG_LONG_TYPE_SIZE > 32.
11498 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11500 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
11501 the previous change.
11503 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
11505 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
11507 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
11508 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
11509 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
11512 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11514 * fix-header.c (read_scan_file): s/pfile/scan_in/.
11516 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11518 * c-lang.c (c_post_options): Call cpp_post_options.
11519 * objc/objc-act.c (objc_post_options): Similarly.
11520 * cppmain.c (main): Similarly.
11521 * fix-header.c (read_scan_file): Similarly.
11522 * cppinit.c (cpp_start_read): Move option consistency checks
11523 to cpp_post_options. Don't call init_dependency_output.
11524 If needed, add default target and main file dependency.
11525 (OPT_MD, OPT_MMD): Remove.
11527 (cpp_handle_option): Update for OPT_* changes.
11528 (cpp_post_options): New.
11529 (init_dependency_output): Command line -MF overrides environment
11530 variables. Don't set default target etc. Suppress output
11531 if dependencies are going to stdout.
11532 (print_help): Update.
11533 * cpplib.h (cpp_post_options): New.
11534 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
11536 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
11538 * jump.c (comparison_dominates_p): Support unordered compares.
11540 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
11542 * simplify-rtx.c (simplify_relational_operation): Always simplify
11543 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
11546 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
11548 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
11549 (nonzero_bits): Likewise.
11550 (simplify_comparison): Likewise.
11551 (num_sign_bit_copies): Likewise; return more sane value depending
11552 on STORE_FLAG_VALUE.
11553 (known_cond): Do not assume EQ to be always true for equivalent
11556 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
11558 * cse.c (fold_rtx): Handle unordered comparisons.
11560 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
11562 * rtlanal.c (set_of_1): New static function.
11563 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
11564 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
11565 reg_set_last_last_regno): Remove.
11566 (set_of): New global function.
11567 (set_of_data): New structure.
11568 (reg_set_p, reg_set_last): Revamp for set_of.
11569 * rtl.h (set_of): New.
11571 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
11573 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
11574 * extend.texi: Document _Exit builtin.
11576 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11578 * (initialize, initialize_builtins,
11579 initialize_dependency_output, initialize_standard_includes):
11580 Rename s/initialize/init. Update.
11581 (init_dependency_output): Move to after
11582 cpp_handle_options, the correct location temporally at least.
11583 (opt_comp): Move next to init (), its caller. Fix prototype.
11584 (init): Make "initialized" local scope.
11585 (cpp_create_reader): Always call init ().
11586 (cpp_start_read): Update.
11587 (output_deps): New function, broken out of cpp_finish.
11588 (cpp_finish): Break out output_deps.
11590 2001-01-07 Richard Henderson <rth@redhat.com>
11592 * collect2.c (COFF specific stuff): Revert 12-06 patch
11593 to prototype system functions.
11595 2001-01-07 Michael Hayes <mhayes@redhat.com>
11597 * hard-reg-set.h: Add multiple include guard.
11598 * basic-block.h (struct loop): Add `sink' field.
11599 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
11600 (emit_iv_add_mult): Delete.
11601 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
11602 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
11603 (unroll_loop): Remove end_insert_before argument.
11604 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
11605 (maybe_eliminate_biv_1): Likewise.
11606 (emit_iv_add_mult): Delete.
11607 (gen_add_mult, loop_regs_update): New.
11608 (loop_insn_emit_after, loop_insn_emit_before): New.
11609 (loop_insn_sink, loop_insn_sink_or_swim): New.
11610 (emit_iv_add_mult): Delete.
11611 (scan_loop): Set loop->sink.
11612 (loop_givs_reduce): Use loop_insn_sink and its ilk.
11613 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
11614 (maybe_eliminate_biv_1): Likewise.
11615 (maybe_eliminate_biv_1): Add basic block argument.
11616 * unroll.c (unroll_loop): Remove end_insert_before argument.
11617 (find_splittable_regs): Likewise.
11618 (find_splittable_regs): Use loop_insn_sink and its ilk.
11619 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
11621 2001-01-07 Michael Hayes <mhayes@redhat.com>
11623 * loop.h (loop_insn_hoist): New prototype.
11624 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
11625 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
11626 (check_dbra_loop, load_mems): Likewise.
11627 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
11628 (find_splittable_givs): Likewise.
11630 2001-01-07 Michael Hayes <mhayes@redhat.com>
11632 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
11634 2001-01-07 Richard Henderson <rth@redhat.com>
11636 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
11638 2001-01-07 Richard Henderson <rth@redhat.com>
11640 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
11641 NO_SHARED_LIBGCC_MULTILIB as required for the target.
11642 * gcc.c (init_spec): Massage the existing libgcc_spec into a
11643 variant that handles a shared libgcc.
11644 (process_command): Always validate -{static,shared}-libgcc.
11645 (do_spec_1): New 'M' case.
11646 * invoke.text (Link Options): Document -{static,shared}-libgcc.
11648 2001-01-07 Richard Henderson <rth@redhat.com>
11650 * Makefile.in (slibdir): New variable.
11651 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
11652 (installdirs): Create slibdir.
11653 (install-libgcc, install-multilib): Defer to libgcc.mk.
11654 * configure.in (slibdir): Substitute.
11655 * mklibgcc.in (install): New target.
11657 * config/t-linux (SHLIB_LINK): Create links for the soname.
11658 (SHLIB_INSTALL): New.
11659 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
11660 * config/mips/t-iris6 (SHLIB_INSTALL): New.
11661 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
11662 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
11663 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
11665 2001-01-07 Richard Henderson <rth@redhat.com>
11667 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
11668 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
11669 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
11671 2001-01-07 Michael Hayes <mhayes@redhat.com>
11673 * loop.c (count_loop_regs_set): Delete.
11674 (load_mems_and_recount_loop_regs_set): Delete.
11675 (loop_regs_scan): Merge common code from count_loop_regs_set,
11676 scan_loop, and load_mems_and_recount_loop_regs_set.
11677 (scan_loop): Call load_mems directly and loop_regs_scan
11678 again if new registers created.
11680 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11682 * toplev.c (main): Call the front-end specific post_options
11683 hook if one is given.
11684 * toplev.h (struct_lang_hooks, lang_hooks): New.
11685 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
11686 for the C front end.
11687 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
11688 lang_hooks for the C++ front end.
11689 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
11690 lang_hooks for the ObjC front end.
11691 * f/com.c (lang_hooks): Hooks for the Fortran front end.
11692 * java/lang.c (lang_hooks): Hooks for the Java front end.
11694 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11696 * c-lex.c (init_c_lex): Request #define / #undef callbacks
11697 for verbose DWARF[2] debugging.
11698 (cb_define, cb_undef): The new callbacks.
11699 * toplev.h (debug_define, debug_undef): Make const correct.
11700 * toplev.c (debug_define, debug_undef): Similarly. Do not
11701 perform the verbosity tests here anymore.
11703 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
11705 * reload.c (subst_reloads): Take INSN argument. When
11706 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
11707 * reload.h (subst_reloads): Adjust prototype.
11708 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
11709 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
11710 present in JUMP_INSNs and copy them to JUMP_LABEL.
11711 * flow.c (find_label_refs, find_basic_blocks_1): Skip
11712 JUMP_INSNs and insns with REG_LABELs that are followed by
11713 JUMP_INSNs with the same REG_LABEL.
11714 * sched-rgn.c (is_cfg_nonregular): Likewise.
11715 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
11717 * unroll.c (unroll_loop): Look for REG_LABEL notes in
11719 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
11721 2001-01-06 Richard Henderson <rth@redhat.com>
11723 * loop.c (scan_loop): Use xcalloc for the regs array.
11724 (load_mems_and_recount_loop_regs_set): Zero the new memory
11725 received from xrealloc.
11727 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
11729 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
11731 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
11733 * integrate.c (copy_rtx_and_substitute): When copying
11734 an ignored return value, strip REG_FUNCTION_VALUE_P.
11736 2001-01-06 Michael Hayes <mhayes@redhat.com>
11738 * loop.c (debug_biv, debug_giv): New.
11739 (loop_biv_dump): Break out from ...
11740 (record_biv): ... here.
11741 (loop_giv_dump): Break out from ...
11742 (record_giv): ... here.
11743 (loop_bivs_check): Use print_simple_rtl.
11744 * unroll.c (loop_iterations): Use print_simple_rtl.
11746 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
11748 * pa.md (return, return_internal): Modify patterns to prevent regrename
11749 mucking with the return pointer.
11751 2001-01-05 Richard Henderson <rth@redhat.com>
11753 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
11755 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
11757 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
11758 version supplied by Matteo Frigo.
11760 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11762 * cpp.texi: Update for -MQ.
11763 * cppinit.c (cpp_create_reader): Always create pfile->deps.
11764 (cpp_cleanup): Always free pfile->deps.
11765 (initialize_dependency_output): Don't create pfile->deps.
11766 (cpp_handle_option): Similarly.
11768 * gcc.c (cpp_options): Handle -MQ.
11769 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11770 * mkdeps.c (base_name): Remove.
11771 (deps_init): Don't allocate vector space until it's needed.
11772 (deps_free): Only free vectors if allocated.
11773 (deps_add_target, deps_add_dep): Update for initial allocation.
11774 (deps_add_default_target): Don't strip to the base_name.
11776 2001-01-05 DJ Delorie <dj@redhat.com>
11778 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
11779 (INIT_EXPANDERS): Define.
11781 * config/v850/v850.c (struct machine_function): Define.
11782 (v850_save_machine_status): New function.
11783 (v850_restore_machine_status): New function.
11784 (v850_return_addr): New function.
11785 (v850_init_expanders): New function.
11787 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
11788 and v850_init_expanders.
11790 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11792 * cpplib.h (struct cpp_reader): Add help_only field.
11793 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
11794 (cpp_handle_option): Set pfile->help_only if we see -h,
11795 --help, -target-help, or --version. Print version string but
11796 do not set help_only if we see -v or -version. Make text
11797 printed by -v match that printed by (-)-version.
11799 * cppmain.c (main): Exit after option parsing if
11800 pfile->help_only is true.
11802 * toplev.c (independent_decode_option): Call print_version,
11803 then exit, if we see --version (but not -version).
11804 (print_version): Split lengthy message into two lines.
11806 2001-01-05 Nick Clifton <nickc@redhat.com>
11808 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
11809 temporary string for initialisation before calling ggc_alloc_string.
11811 2001-01-06 Michael Hayes <mhayes@redhat.com>
11813 * rtl.h (print_simple_rtl): New.
11814 * print-rtl.c (print_simple_rtl): New.
11815 (flag_simple): New.
11816 (print_rtx): Disable printing of flags and modes, etc.,
11817 if `flag_simple` nonzero.
11819 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11821 * function.c (fixup_var_refs): Use push_to_full_sequence where
11824 2001-01-05 Michael Meissner <meissner@redhat.com>
11826 * flags.h (flag_reorder_blocks): Add declaration.
11827 (flag_rename_block): Ditto.
11829 2001-01-05 DJ Delorie <dj@redhat.com>
11831 * function.c (reorder_blocks): Make sure the flags are all reset
11832 before using them to mark blocks, else a second invocation will
11833 corrupt the block chain.
11834 (reorder_blocks_0): New, resets the flags.
11836 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
11838 * cse.c (find_comparison_args): Stop if the argument is known to
11841 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11843 * config/sh/sh.md (movdf): When splitting load into pair of
11844 registers, don't clobber the register used in the address too
11847 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
11849 * varasm.c (mark_constant_pool): Improve initial comments.
11850 (mark_constants): Move marking of constants to mark_constant.
11851 (mark_constant): New function to recursively mark all constants
11852 referred to by a constant.
11854 2001-01-05 Catherine Moore <clm@redhat.com>
11856 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
11858 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11860 * cp/lang-options.h: Bring comment in line with reality.
11861 * f/lang-options.h: Likewise.
11862 * java/lang-options.h: Likewise.
11863 * objc/lang-options.h: Likewise.
11864 * ch/lang-options.h: Likewise.
11865 * f/g77.texi: And update the manual.
11867 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
11868 Denis Chertykov <denisc@overta.ru>
11870 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
11871 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
11872 * config/avr/avr.md (all peepholes that request a scratch register):
11873 Call it, FAIL the peephole if not safe (in interrupt functions).
11875 2001-01-05 Mark Mitchell <mark@codesourcery.com>
11877 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
11879 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
11881 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
11883 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
11884 BUILT_IN_CREAL and BUILT_IN_CIMAG.
11885 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
11886 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
11887 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
11889 * extend.texi: Document these builtins.
11891 2001-01-05 Daniel Berlin <dberlin@redhat.com>
11893 * c-common.c (lang_get_alias_set): Say we know nothing of
11894 VECTOR_TYPE aliasing.
11896 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
11898 2001-01-05 Bruce Korb <bkorb@gnu.org>
11900 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
11901 their x* equivalent versions for atexit-less systems
11902 * fixinc/fixincl.c(main): do not return from main() on atexit-less
11903 systems (or any other system any more).
11905 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
11907 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
11908 output operands. Use arm_hard_register_operand for operand 4.
11909 (stmsi_postinc): Similarly.
11910 (ldmsi): Use arm_hard_register_operand for opernand 2.
11911 (stmsi): Similarly.
11912 * arm.c (arm_hard_register_operand): New function.
11913 * arm-protos.h (arm_hard_register_operand): Prototype it.
11915 * arm.h (HARD_REGNO_RENAME_OK): Define.
11917 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
11919 * simplify-rtx.c (cfc_args): add "unordered" field.
11920 (check_fold_consts): Set unordered field.
11921 (simplify_relational_operation): Simplify the unordered
11924 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
11927 * emit-rtl.c (try_split): Fix code to mark labels.
11928 * jump.c (mark_jump_label): Make global.
11929 * rtl.h (mark_jump_label): Declare.
11931 * predict.c (estimate_probability): Handle unordred comparisons.
11933 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11935 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
11936 * cppinit.c (initialize_dependency_output): Update.
11937 (cpp_finish): Output dummy targets for -MP.
11939 (cpp_handle_option): Handle -MP. Don't quote -MT options.
11940 * cpplib.h (struct cpp_options): Add deps_phony_targets.
11941 * gcc.c (cpp_options): Update to handle -MP.
11942 * mkdeps.c (deps_add_target, deps_add_default_target): Update
11943 to quote only the default target.
11944 (deps_phony_targets): Insert a preceding newline. Rename from
11945 deps_dummy_targets for consistency.
11948 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11950 * calls.c (emit_library_call_value_1): Support
11951 INIT_CUMULATIVE_LIBCALL_ARGS.
11952 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
11954 2001-01-04 Richard Henderson <rth@redhat.com>
11956 * c-decl.c (finish_struct): Detect flexible array members
11957 used in an inappropriate context.
11958 * c-typeck.c (really_start_incremental_init): Special case
11959 constructor_max_index for zero length arrays.
11960 (pop_init_level): Allow initialization of flexible array
11961 members. Deprecate initialization of zero length arrays.
11962 Don't issue missing initializer warning for flexible array
11963 members or zero length arrays.
11964 (process_init_element): Don't dereference null DECL_SIZE.
11965 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
11966 Don't abort for empty constructors. Use size_binop
11967 (output_constructor): Add commentary regarding zero length
11968 array futures. Abort if we try to initialize an array of
11969 unspecified length with a non-empty constructor in the middle
11972 * extend.texi (Zero Length): Update and clarify documentation
11973 on static initialization.
11975 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11977 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
11978 with more than 32767 words of local storage.
11980 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11982 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
11983 for 'abs', 'labs', and 'fabs'.
11984 (c4x_expand_builtin): Likewise.
11985 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
11987 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11989 * config/sh/sh.md (prget, prset): New insn types.
11990 (return delay slot): Dont' allow prset.
11991 (call, sfunc delay slot): Don't allow prget.
11992 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
11993 for prset and prget.
11995 2001-01-05 Michael Hayes <mhayes@redhat.com>
11997 * loop.h (struct loop_reg): New.
11998 (struct loop_regs): Change to use array of `struct loop_reg'.
11999 * loop.c: Replace assortment of varrays with single regs array.
12000 (count_one_set): Delete may_not_move array argument
12001 and use regs array instead. All caller's changed.
12002 (count_loop_regs_set): Delete may_not_move and single_usage
12003 arguments and use regs array instead. All caller's changed.
12004 (find_single_use_in_loop): Replace usage array argument with pointer
12005 to regs structure. All caller's changed.
12006 (loop_optimize): Delete `moved_once' array.
12008 2001-01-05 Michael Hayes <mhayes@redhat.com>
12010 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
12011 Use it instead of loop_info->has_call for scanning loop mems.
12012 (check_dbra_loop): Replace loop_info->has_call test with
12013 loop_info->has_nonconst_call.
12015 2000-01-04 Matthew Hiller <hiller@redhat.com>
12017 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
12020 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12022 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
12023 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
12025 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12027 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
12028 (flag_short_double, flag_short_wchar): Define.
12029 (c_common_nodes_and_builtins): Create many tree nodes shared
12030 between C and C++ here instead of in cp/decl.c and ...
12031 * c-decl.c (init_decl_processing): ... here.
12032 (SIZE_TYPE, WCHAR_TYPE): Don't define.
12033 (flag_short_double, flag_short_wchar): Don't define.
12034 (record_builtin_type): New function.
12035 (build_void_list_node): New function.
12036 * c-common.h (flag_short_double, flag_short_wchar,
12037 record_builtin_type, build_void_list_node): Declare.
12039 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
12041 * integrate.c (expand_inline_function): Don't put a virtual
12042 register into the reg map.
12044 * function.c (fixup_var_refs_1): If force_operand didn't put
12045 the address into the target, move it there.
12047 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12049 Special-case tree_decl/tree_list allocations.
12050 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
12051 (OBJECT_SIZE): New macro.
12052 (NUM_EXTRA_ORDER): Likewise.
12053 (extra_order_size_table): New variable.
12054 (NUM_ORDERS): New macro.
12055 (objects_per_page_table): New variable.
12056 (object_size_table): New variable.
12057 (G.pages): Use NUM_ORDERS to bound the array.
12058 (G.page_tails): Likewise.
12059 (DIV_ROUND_UP): Remove.
12060 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
12061 (alloc_page): Use OBJECT_SIZE.
12062 (size_lookup): Don't make it const.
12063 (ggc_alloc): Use OBJECT_SIZE.
12064 (ggc_set_mark): Likewise.
12065 (ggc_get_size): Likewise.
12066 (init_ggc): Set up the object_size_table, objects_per_page_table,
12067 and adjust size_lookup.
12068 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
12069 (ggc_pop_context): Use NUM_ORDERS.
12070 (clear_marks): Likewise.
12071 (sweep_pages): Likewise.
12072 (poison_pages): Likewise.
12073 (ggc_print_statistics): Use OBJECT_SIZE.
12075 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12077 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
12078 Only call array_size_for_constructor if last field and array type
12079 with no upper bound.
12081 2001-01-04 Philip Blundell <philb@gnu.org>
12083 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
12084 from bit 31 downwards, if this requires no more insns.
12085 (count_insns_for_constant): New helper function for above.
12087 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
12089 * gencodes.c (output_predicate_decls): Remove empty initializer.
12091 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12093 * tree.c (copy_node): Remove documentation about obstacks.
12094 (buidl1): Check that nobody tries to build 2-argument nodes this
12097 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12099 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
12102 * gencodes.c (output_predicate_decls): Fill empty initializer
12105 2001-01-04 Jakub Jelinek <jakub@redhat.com>
12107 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
12108 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
12110 (do_include): Handle missing headers like cpp0.
12111 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
12112 paths with first include pathname. Don't strcat to uninitialized
12115 2001-01-04 Bernd Schmidt <bernds@redhat.com>
12117 * regrename.c (regrename_optimize): Don't rename from frame pointer
12118 if frame_pointer_needed.
12119 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
12120 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
12121 (ia64_reorg): Use it instead of scheduling if ! optimize.
12122 (errata_emit_nops): Properly call asm_noperands.
12123 (ia64_sched_reorder): Finish cycle if we see an asm.
12124 (ia64_variable_issue): Clear scheduling state after asms.
12126 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
12128 * cpp.texi: Update for -MT.
12129 * cppinit.c (initialize_dependency_output): Add a default
12130 target if none has been given already.
12131 (no_tgt, OPT_MT): New.
12132 (cpp_handle_option): Handle -MT. Update -M etc.
12133 * cpplib.h (struct cpp_options): Remove deps_target.
12134 * gcc.c (cpp_options): Handle -MT.
12135 * mkdeps.c (struct deps): Move from mkdeps.h.
12136 (deps_calc_target): Rename deps_add_default_target. Add a
12137 default target if none has been specified already.
12138 * mkdeps.h (struct deps): Move to mkdeps.c.
12139 (deps_calc_target): Rename deps_add_default_target.
12141 2000-01-03 Richard Henderson <rth@redhat.com>
12143 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
12145 * c-typeck.c (push_init_level): Move checks for flexible array
12146 members and zero length arrays ...
12147 (pop_init_level): ... here. Silently discard empty initializations.
12149 * varasm.c (output_constructor): Update for sizeof change to
12150 zero-length arrays.
12152 * extend.texi (Zero Length): Clarify semantics.
12154 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12156 * configure.in (tm.h): Include isns-codes.h last.
12157 * configure: Rebuilt.
12159 2001-01-03 Richard Henderson <rth@redhat.com>
12161 * config/alpha/alpha.md (addvsi3, addvdi3): New.
12162 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
12164 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12166 * tradcpp.c (main): Make sure finclude() is called with a valid
12167 indepth value while handling -include.
12169 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12171 * gencodes.c (output_predicate_decls): New function.
12173 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
12174 even if it is not the first time machmode.h is #included.
12175 * config/sh/sh.c (fpul_operand): Declare MODE argument.
12176 * tm.texi (PREDICATE_CODES): Document predicate declarations.
12177 * gcc.texi (Copyright): Added 2001.
12179 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12181 * c-common.c (c_common_lang_init): New function. Warn if format
12182 warning options which only have effects when used with -Wformat
12183 are used without -Wformat.
12184 * c-common.h (c_common_lang_init): Declare.
12185 * c-lang.c (lang_init): Call c_common_lang_init.
12186 * objc/objc-act.c (lang_init): Call c_common_lang_init.
12188 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12190 * configure.in: Check for the mktemp command.
12191 * configure: Regenerate.
12192 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
12193 $TEMP. Create temporary files with mktemp, if available at
12194 configure time; otherwise use set -C. Remove temporary files
12197 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12199 * configure.in: Require at least texinfo 4.0. Check for whether
12200 Pod::Man is sufficiently recent to regenerate GCC manpages.
12201 * configure: Regenerate.
12202 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
12204 (GENERATED_MANPAGES): Define.
12205 (generated-manpages): New target. Depend on cpp.1 as well as
12207 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
12208 configure to generated-manpages or empty) rather than on the
12209 manpages directly. Remove execute permission from installed
12210 gcov.1 as well as cpp.1.
12211 * cpp.1, gcov.1: Regenerate.
12213 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12215 * builtins.c (expand_builtin_strncmp): Use host_integerp and
12216 tree_low_cst. Allow using cmpstrsi in more cases.
12218 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12220 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
12223 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
12225 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
12226 * Makefile.in (HOST_CFLAGS): Mention build-make.
12228 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12230 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
12233 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12235 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
12238 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
12241 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
12242 reg_base_value and reg_known_value arrays.
12243 (init_alias_analysis): Add more cases to detect known values.
12244 * sched-deps.c (deps_may_trap_p): New function.
12245 (sched_analyze_2): Use it.
12247 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12249 * combine.c (simplify_shift_const): Even if we're sign-extracting,
12250 don't discard an ASHIFTRT if we're shifting in a wider mode.
12252 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
12254 * toplev.c (rest_of_compilation): Don't print basic block information
12255 when CFG isn't up to date.
12257 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
12259 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
12260 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
12261 (UNALIGNED_SHORT_ASM_OP): Define.
12262 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
12264 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12266 * fold-const.c (fold_convert): Fix typo.
12268 2001-01-02 Richard Henderson <rth@redhat.com>
12270 * c-common.h (ASM_INPUT_P): New.
12271 * c-parse.in (asm): Set it when needed.
12272 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
12273 existance of an operand.
12275 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
12277 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
12278 (dwarf2out_frame_debug_expr): Likewise.
12279 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
12281 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
12283 * i386.c (ix86_split_to_parts): Return number of part required;
12285 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
12287 (ix86_split_long_move): Use number of part returned
12288 by ix86_split_to_parts
12289 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
12291 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
12292 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
12293 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
12294 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
12295 (ALIGN_MODE_128): Add TFmode.
12296 (IS_STACK_MODE): Likewise.
12297 (HARD_REGNO_NREGS): TFmode needs 3 registers.
12298 (HARD_REGNO_OK): Support TFmodes.
12299 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
12300 * i386.md (scheduler definitions): Use memory operand to determine
12301 fst/fld instructions; use mode attribute to determine real mode of
12303 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
12304 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
12306 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12308 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
12310 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12312 * expr.c (store_constructor_field): Update ALIGN before calling
12315 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12317 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
12320 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12322 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
12325 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12327 * c-decl.c (start_function): Don't warn on third parameter to main.
12329 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12331 * tsystem.h: Define HAVE_DECL_GETOPT.
12333 2001-01-02 Philip Blundell <pb@futuretv.com>
12335 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
12338 2001-01-02 Richard Henderson <rth@redhat.com>
12340 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
12342 2001-01-02 Andreas Jaeger <aj@suse.de>
12344 * c-decl.c (c_decode_option): Remove support of
12345 -Wmissing-noreturn.
12347 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
12348 (W_options): Add -Wmissing-noreturn here.
12350 * flow.c: Define lang_missing_noreturn_ok_p.
12351 (check_function_return_warnings): Use it.
12353 * c-common.h: Declare lang_missing_noreturn_ok_p.
12355 * c-lang.c (c_missing_noreturn_ok_p): New function.
12356 (lang_init): Set lang_missing_noreturn_ok_p.
12358 * invoke.texi (Warning Options): Document this.
12360 2000-12-27 Phil Edwards <pme@sources.redhat.com>
12362 * extend.texi (C++ Extensions): New node for C++ attributes;
12363 describe init_priority and com_interface.
12364 * invoke.texi: Remove -finit-priority as it now has zero effect.
12365 * install.texi: Fix xref syntax.
12366 * md.texi: Likewise.
12368 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12370 * config.gcc (sparc64-wrs-vxworks*): New case.
12371 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
12373 * config/sparc/sparc.c (sparc_override_options): Do support different
12374 pointer and architecture size.
12375 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
12376 (POINTERS_EXTEND_UNSIGNED): Define.
12377 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
12378 (FUNCTION_MODE): Define to be Pmode.
12379 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
12381 * function.c (expand_function_end): Properly handle DECL_RESULT
12382 and copy when ptr_mode != Pmode.
12383 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
12385 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12387 * c-common.c (c_common_nodes_and_builtins): Set prototype
12388 parameters for __builtin_fputs, __builtin_fputc and
12389 __builtin_fwrite. Don't declare plain fputc as a builtin.
12391 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
12393 * loop.c (add_label_notes): Increment the label usage count when
12394 a note is added to an insn which refers to a CODE_LABEL.
12395 * gcse.c (add_label_notes): Likewise.
12397 2001-01-01 Andreas Jaeger <aj@suse.de>
12399 * loop.c (scan_loop): Use xmalloc to allocate movables.
12401 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
12403 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
12404 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
12405 * reload1.c (REGISTER_MOVE_COST): Likewise.
12406 * regclass.c (REGISTER_MOVE_COST): Likewise.
12407 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
12408 dimension. Adjust all users.
12409 (init_reg_sets_1): Iterate on all modes.
12410 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
12411 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
12412 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
12413 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
12414 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
12415 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
12416 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
12417 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
12418 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
12419 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
12420 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
12421 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
12422 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
12423 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
12424 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
12425 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
12426 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
12427 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
12428 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
12429 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
12430 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
12431 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
12432 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
12433 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
12434 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
12435 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
12436 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
12438 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12440 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
12441 arg VARIES_P. Call it with extra arg.
12442 (true_dependence): Likewise.
12443 * rtl.h (rtx_addr_can_trap_p): Declare.
12444 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
12446 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
12447 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
12448 pic offset table register if it's zero. All callers changed.
12449 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
12451 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12453 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
12454 STRING_POOL_ADDRESS_P.
12456 * config/sparc/sparc.c (input_operand): Properly test for short op.
12458 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
12459 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
12460 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
12461 * config/sparc/elf.h: No longer include sol2.h.
12462 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
12463 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
12465 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
12467 2001-01-01 Michael Hayes <mhayes@redhat.com>
12469 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
12470 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
12471 (record_initial): Likewise.
12472 * unroll.c (copy_loop_body, loop_iterations): Likewise.
12473 (remap_split_bivs): Likewise.
12475 2001-01-01 Michael Hayes <mhayes@redhat.com>
12477 * loop.c (loop_ivs_free): New function.
12478 (strength_reduce): Break out from...
12480 2001-01-01 Michael Hayes <mhayes@redhat.com>
12482 * loop.h (struct iv): New.
12483 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
12484 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
12485 'reg_biv_class' fields with 'regs' and 'n_regs'.
12486 (struct ivs): Rename 'loop_iv_list' field to 'list'.
12487 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
12488 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
12490 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
12492 * resource.c (mark_referenced_resources): Abort() before
12493 attempting to mark a pseudo register.
12494 (mark_set_resources): Likewise.
12496 2001-01-01 Michael Hayes <mhayes@redhat.com>
12498 * loop.h (REG_IV_CLASS): New accessor macro.
12499 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
12500 * unroll.c (REG_IV_CLASS): Likewise.
12502 See ChangeLog.4 for earlier changes.