1 2001-06-04 Anthony Green <green@redhat.com>
3 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
4 machine. This is now done in sparc.h.
6 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
8 Correct CVS resurrection of invoke.texi.
9 * doc/invoke.texi: Document new tree dump flags.
11 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
13 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
14 for casting an aggregate to its own type. Fixes PR c/2735.
16 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
18 * doc/texinfo.tex: Update to version 2001-05-24.08.
20 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
22 * c-common.h (flag_dump_translation_unit): Remove.
23 (enum tree_dump_index): Define.
24 (TDF_ADDRESS, TDF_SLIM): New #defines.
25 (dump_node_to_file): Remove.
26 (dump_node): Make extern. Add flags.
27 (dump_flag, dump_enabled_p, dump_begin, dump_end,
28 dump_switch_p): Prototype.
29 * c-common.c (flag_dump_translation_unit): Remove.
30 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
31 logic. Use dump_switch_p.
32 * c-dump.h (struct dump_info): Add node and user fields.
33 (dump_pointer): Declare.
34 * c-dump.c (dump_node): Make extern. Add flags.
35 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
36 (dump_new_line, dump_maybe_newline): Use them.
37 (dump_pointer): New function.
38 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
39 chain or function's body. Dump address, if TDF_ADDRESS set.
41 (dump_node_to_file): Remove.
42 (struct dump_file_info): New struct.
43 (dump_files): New array.
44 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
45 * c-lang.c (finish_file): Adjust dumping.
46 * toplev.h (dump_base_name): Make extern.
47 * invoke.texi: Document new flags.
49 2001-06-04 Mark Mitchell <mark@codesourcery.com>
51 * c-tree.h (lang_decl): Add pending_sizes fields.
52 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
54 (c_expand_body): Expand them.
55 (lang_mark_tree): Mark lang_decl:pending_sizes.
56 * function.c (expand_pending_sizes): New function, broken out
58 (expand_function_start): ... here.
59 * tree.h (expand_pending_sizes): Declare it.
61 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
63 * doc/install.texi: Update FreeBSD information. Generalize
64 and update information for alpha-based platforms using ELF.
66 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
68 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
69 (store_parm_decls): Likewise.
70 * c-typeck.c (convert_arguments): Likewise.
72 2001-06-04 Richard Henderson <rth@redhat.com>
74 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
75 optimization if current_function_calls_setjmp.
77 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
79 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
82 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
84 * simplify-rtx.c (simplify_subreg): Fix combining of
87 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
89 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
90 (no_labels_between_p): Short circuit case beg==end.
92 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
94 * rtlanal.c (operand_preference): Fix preference for objects.
96 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
98 * gcse.c (handle_avail_expr): Be prepared to handle single_set
101 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
103 * combine.c (if_then_else_cond): Use simplify_subreg instead
105 * integreate.c (sub_constants): Likewise.
107 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
109 * emit-rtl.c (constant_subword): Deprecate; remove most of code
110 and use simplify_gen_subreg.
112 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
114 * sibcall.c (skip_copy_to_return_value): recognize the situation
115 when the called function's return value is copied into an
116 intermediate pseudo, and then into the calling functions return
119 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
121 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
122 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
123 in case register wasn't OK previously, accept it now; allow
124 subregs of frame pointer if reload completed and frame pointer
127 * combine.c (sombine_simplify_rtx): Fix comment;
128 use subreg_lowpart_offset instead of subreg_lowpart_p
129 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
130 * rtl.h (subreg_lowpart_parts_p): Kill.
131 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
132 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
133 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
134 (gen_lowpart_common): Likewise.
135 (subreg_lowpart_p): Likewise.
136 (subreg_lowpart_parts_p): Kill.
137 (subreg_lowpart_offset, subreg_highpart_offset): New function.
139 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
140 to simplify SUBREG and REG.
141 (gen_highpart): Use simplify_gen_subreg for all simplifications.
143 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
146 * rtlanal.c (replace_regs): Use simplify_gen_subreg
148 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
150 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
151 (ARRAY_RANGE_REF): Added description.
153 * tree.def (ARRAY_RANGE_REF): New code.
154 * alias.c (handled_component_p, can_address_p): Handle it.
155 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
156 * explow.c (set_mem_attributes): Likewise.
157 * expr.c (expand_assignment, get_inner_reference): Likewise.
158 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
159 * fold-const.c (operand_equal_p): Likewise.
160 * tree.c (staticp, stabilize_reference): Likewise.
161 * varasm.c (decode_addr_const): Likewise.
163 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
165 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
166 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
168 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
170 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
171 mark_constant_pool_use before output_addr_const.
172 (struct pool_node): New field wend.
173 (add_constant): Note a sequence of constants that are referenced
175 (pool_window_label, pool_window_last): New variables.
176 (dump_table): Emit a unspec_volatile representing the end of a
177 sequence of constants.
178 (mark_constant_pool_use): New function.
179 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
180 (consttable_2): Add the second operand which flags whether
181 this consttable entry was used or not.
182 (consttable_4, consttable_8, consttable_sf, consttable_df):
184 (consttable_window_end): New insn.
186 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
188 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
189 Reformat according to coding standards.
192 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
193 (shl_and_kind): Cast wide constant.
194 (gen_far_branch): Define as static, as in declaration.
195 (barrier_align): Compute cache-line length as unsigned. Add
196 parentheses in initial credit computation.
197 (rounded_frame_size): Add parentheses.
198 (permanent_obstack): Remove declaration. Include ggc.h for
199 declaration of ggc_add_root_rtx().
200 (get_free_reg): Removed declaration of unused variable reg.
201 (legitimize_pic_address): Mark mode argument as unused.
203 2001-06-03 Igor Shevlyakov <igor@windriver.com>
205 * config/sh/sh.c (output_branch): Support for insn with lenght
206 attr 12 & 16 which represents cond branches outside +-4096 range.
208 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
210 * config/sh/lib1funcs.asm (ic_invalidate): Align the
211 cache-mirroring sequence. Add nops.
213 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
215 * doc/install-old.texi: Remove more old installation
217 * doc/install.texi: Add relevant parts here.
219 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
221 * doc/install.texi2html: New script.
223 2001-06-03 David Edelsohn <edelsohn@gnu.org>
225 * doc/install.texi: Update AIX information again.
227 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
229 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
230 installation documentation.
231 * doc/install.texi: Move it to here.
233 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
235 * doc/install.texi: Clean up Texinfo markup.
237 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
239 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
240 to just after title page.
242 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
244 * doc/install-old.texi: Remove documentation of some configuration
246 * doc/install.texi: Add relevant parts of this documentation here.
248 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
250 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
251 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
253 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
255 * i386.md (all uses of ext_register_operand): Make sure they are
256 VOIDmode; replace all uses outside zero_extend.
257 (and?i splitters): Use ext_register_operands.
258 (test?i peep2): Remove ignored constraints.
259 * i386.c (ext_register_operand): Check that operand is
260 eighter pseudo or hard or 'Q' register.
262 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
264 * tree.h (struct record_layout_info_s): New field unpadded_align.
265 (set_lang_adjust_rli): New declaration.
266 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
267 it would have if not packed, do not downgrade DECL_ALIGN.
268 (lang_adjust_rli, set_lang_adjust_rli): New.
269 (start_record_layout): Initialize new field unpadded_align.
270 (debug_rli): Display it.
271 (place_union_field, place_field): Set it.
272 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
274 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
275 mean that; use proper names instead.
276 Print DECL_NO_STATIC_CHAIN.
278 * except.c (expand_builtin_frob_return_addr): Add missing call
279 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
280 (expand_builtin_eh_return): Likewise.
281 (expand_eh_return): Clean up ptr_mode != Pmode cases.
283 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
285 * doc/invoke.texi: Remove references to papers about sequence points
286 to readings.html, refer to that page.
288 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
290 * README: Update references to installation instructions.
292 2001-06-01 Laurent Guerby <guerby@acm.org>
293 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
295 * doc/install.texi: Define srcdir when sources come from CVS.
296 Significantly improve markup. Wrap overly long lines
298 2001-06-01 DJ Delorie <dj@redhat.com>
300 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
301 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi, objc.texi,
302 rtl.texi, tm.texi, texinfo.tex: Move to doc subdirectory.
303 * install.texi: Move to doc/install-old.texi.
304 * gcc.texi: Move to doc, refer to install-old.texi.
305 * Makefile.in: Reflect move of docs to doc/.
306 * f/Make-lang.in: Ditto.
307 * java/Make-lang.in: Ditto.
308 * doc/.cvsignore: New.
310 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
312 * invoke.texi: use two spaces between command options, eliminate
313 some 'overfull hboxes'
315 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
317 * Makefile.in (s-mlib): Make backtick-commands always succeed.
318 (DRIVER_DEFINES): Ditto.
320 2001-05-31 Richard Henderson <rth@redhat.com>
322 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
323 also link against libgcc.a.
325 2001-05-31 Geoff Keating <geoffk@cygnus.com>
327 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
328 * config/mips/mips.c (mips_output_ascii): New function.
329 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
331 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
333 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
335 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
336 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
338 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
340 * install.texi (Configuration): Add html links for --with-gnu-as &
341 --with-gnu-ld and refer to them from hppa & SCO triplets.
342 (Specific): Link back to with-gnu-ld for all ELF platfoms.
343 (Specific): Reword AVR binutils recommendation.
345 2001-05-30 Zack Weinberg <zackw@stanford.edu>
347 * ggc-page.c (size_lookup): Increase minimum allocation size
349 (ggc_print_statistics): Report size of each bin in bytes, not
350 as its order; there is no longer a direct relationship.
352 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
354 * extend.texi: Fix formating of examples, eliminate some
356 * gcc.texi: Eliminate some 'overfull hboxes'.
357 * invoke.texi: Use two spaces between command options, eliminate
358 some 'overfull hboxes'.
360 2001-05-30 Richard Henderson <rth@redhat.com>
362 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
364 2001-05-30 Tom Tromey <tromey@redhat.com>
366 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
367 use it in the new association.
369 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
370 John David Anglin <dave@hiauly1.hia.nrc.ca>
372 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
373 to target type to allow ISO C++ compiler to accept it.
374 * gthr-dce.h (__gthread_active_ptr): Likewise.
375 * gthr-solaris.h (__gthread_active_ptr): Likewise.
377 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
379 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
380 so that we do accept comments in preprocessed input.
382 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
384 * cpphash.c (alloc_node): Cast allocated pointer.
386 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
388 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
390 2001-05-29 Stan Shebs <shebs@apple.com>
392 * gcc.texi: Add links for information about Objective-C.
394 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
396 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
397 /bin/sed fails on [^\"]).
398 (configargs.h): Likewise.
400 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
402 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
404 2001-05-28 Stan Shebs <shebs@apple.com>
406 * objc/objc.gperf: Remove, no longer used.
408 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
410 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
411 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
412 Remove trailing whitespace.
414 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
416 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
417 became http://freeware.sgi.com/.
419 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
421 * local-alloc.c (update_equiv_regs): Don't eliminate constant
424 2001-05-27 Stan Shebs <shebs@apple.com>
426 * objc/objc-act.c: Add/fix various comments.
427 (init_selector): Remove, no longer used.
428 (build_msg_pool_reference): Ditto.
431 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
433 * c-decl.c (init_decl_processing):
434 Don't call start_identifier_warnings.
435 * flags.h (warn_id_clash, id_clash_len): Remove.
436 * stringpool.c: Don't include flags.h.
437 (scan_for_clashes, do_identifier_warnings,
438 start_identifier_warnings): Remove.
439 * toplev.c (warn_id_clash, id_clash_len): Remove.
440 (display_help): Don't document -Wid-clash.
441 (decode_W_option): Print warning on -Wid-clash.
442 * tree.h (start_identifier_warnings): Remove.
443 * invoke.texi: Remove documentation of -Wid-clash.
445 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
447 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
449 2001-05-27 Bruce Korb <bkorb@gnu.org>
451 * fixinc/check.tpl(HACK) add and use a Scheme variable
452 (has no test text): error out if no "test_text" is defined
453 * fixinc/fixincl.tpl: likewise
454 (FIXIDX): make it an enumeration so we minimize diffs
455 * fixinc/inclhack.def: re-alphabetize and add sort instructions
456 * fixinc/fixincl.x: regenerate
457 * fixinc/tests/base/stdio.h: test output got moved due to
459 * README-fixinc: rewrite (mostly)
461 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
463 * cpplib.c (run_directive): Set pfile->directive.
465 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
467 * c-tree.texi: Reformat the manual as a single chapter now
468 included by gcc.texi.
469 * gcc.texi: Include c-tree.texi. Merge all indexes.
470 * Makefile.in (dvi): Add generation for the cppinternals
471 documentation. Added dependencies on fdl.texi and c-tree.texi
472 where appropriate. Use TEXI2DVI instead of custom tex calls.
473 (info): Added dependencies on fdl.texi and c-tree.texi where
474 appropriate. Remove the target c-tree.info.
476 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
478 * combine.c (try_combine): Fix typo in comment.
479 * expr.c (expand_expr): Likewise.
480 * config/i370/i370.md (untyped_call): Likewise.
482 2001-05-26 Bruce Korb <bkorb@gnu.org>
484 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
485 when fixincl is operating in test mode
486 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
487 (AAB_ultrix_limits): remove redundant text
488 (AAB_ultrix_memory): ditto
489 (AAB_ultrix_string): ditto
490 (djgpp_wchar_h): fix the test text
491 (irix_stdio_va_list): add test text
492 (irix_limits_const): add a testing output file (limits.h is overwritten)
493 (strict_ansi_not_ctd): put limits.h second in list for same reason
494 (solaris27_mutex_init): test text needed selection text, too
496 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
497 when fixincl is operating in test mode
499 2001-05-26 Philip Blundell <philb@gnu.org>
501 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
502 * config/i960/i960-protos.h: Likewise.
503 * config/i370/i370-protos.h: Likewise.
504 * config/h8300/h8300-protos.h: Likewise,
505 * config/sh/sh-protos.h: Likewise.
506 * config/v850/v850-protos.h: Likewise.
508 2001-05-26 Philip Blundell <philb@gnu.org>
510 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
512 2001-05-25 Zack Weinberg <zackw@stanford.edu>
514 * toplev.c (debug_args, f_options, W_options): Mark
515 descriptions for translation.
516 (display_help): Translate descriptions on output.
518 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
519 objc/lang-options.h: Mark descriptions for translation.
521 * aclocal.m4: Quote final argument of patsubst. Use
522 3-argument form of AC_DEFINE. Restore quotes to [] while
524 * configure.in: Remove unnecessary changequote calls.
525 * configure, config.in: Regenerate.
527 2001-05-25 Sam TH <sam@uchicago.edu>
529 * basic-block.h: Fix header include guards.
530 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
531 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
532 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
533 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
534 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
535 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
536 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
537 varray.h version.h: Likewise.
538 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
539 config/arm/arm.h config/c4x/c4x-protos.h
540 config/h8300/h8300-protos.h config/h8300/h8300.h
541 config/i370/i370-protos.h config/i370/i370.h
542 config/i960/i960-protos.h config/mcore/mcore.h
543 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
544 config/v850/v850-protos.h config/v850/v850.h: Likewise.
545 * fixinc/fixlib.h fixinc/server.h: Likewise.
547 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
549 * config/arc/initfini.c (.init): Fix typo.
551 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
553 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
555 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
557 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
559 2001-05-25 Richard Henderson <rth@redhat.com>
561 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
563 2001-05-25 Richard Henderson <rth@redhat.com>
565 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
566 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
567 (sparc*-*-solaris2): Likewise.
568 * config/t-linux: Remove shared libgcc macros.
569 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
570 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
572 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
574 * config.gcc (*-*-freebsd*): Report bad configuration.
576 2001-05-25 David Edelsohn <edelsohn@gnu.org>
578 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
580 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
582 (ASM_OUTPUT_LABELREF): Delete.
584 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
586 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
587 strict_ansi_only): Don't run if stdc_0_in_system_headers.
588 * fixinc/fixincl.x: Regenerate.
589 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
590 (FIX_TEST_TABLE): Declare it.
591 * fixinc/fixlib.h: Include config.h.
593 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
595 * fixinc/inclhack.def (alpha___assert): Change char * args to
596 const char * on Tru64 UNIX to avoid excessive warnings from
598 * fixinc/fixincl.x: Regenerate.
600 2001-05-25 Geoff Keating <geoffk@redhat.com>
602 * dbxout.c (dbxout_symbol): Invert previous patch, which was
603 outputting a tag only for variable-size records.
605 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
607 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
608 instead of rtx_equal_p for early clobber test.
610 2001-05-26 Mark Mitchell <mark@codesourcery.com>
612 * builtins.def: Encode additional information, such as names and
614 * builtin-types.def: New file.
615 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
616 (built_in_decls): Likewise. Don't explicitly initialize global
618 (expand_builtin_mathfn): Handle float and long double variants of
620 (expand_builtin): Likewise.
621 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
622 (expand_tree_builtin): Handle long, long long, float, and long
623 double variants of math functions.
624 * c-common.h (c_tree_index): Remove some unused nodes.
625 (void_ftype): Remove.
626 (void_type_ptr): Likewise.
627 (int_ftype_int): Likewise.
628 (ptr_ftype_sizetype): Likewise.
629 * c-decl.c (init_decl_processing): Remove creation of DWARF
631 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
632 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
633 * Makefile.in (c-common.o): Depend on builtin-types.def.
635 2001-05-25 Dale Johannesen <dalej@apple.com>
637 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
639 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
641 * c-parse.in (notype_initdcl): Remove redundant line.
643 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
645 * aclocal.m4: Fixed typo.
646 (gcc_AC_HEADER_STDBOOL): Define.
647 (gcc_AC_C__BOOL): Define.
648 * configure.in: Use them.
649 (AC_CHECK_HEADERS): Remove stdbool.h
650 * configure, config.in: Regenerate.
652 2001-05-25 Richard Henderson <rth@redhat.com>
654 * function.c (expand_function_start): Don't abort on PARALLEL
655 returns from hard_function_value.
657 2001-05-25 Richard Henderson <rth@redhat.com>
659 * config/i386/i386.md: Revert previous change. Do not apply
660 the peephole if the components do not die after the sequence.
662 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
664 * c-parse.in (array_declarator): New. Handle C99 constructs.
665 Don't restrict [*] declarators to C only.
666 (after_type_declarator, parm_declarator_starttypename,
667 parm_declarator_nostarttypename, notype_declarator,
668 direct_absdcl1): Use it.
669 * c-decl.c (build_array_declarator, set_array_declarator_type):
670 New functions. Warn that [*] isn't properly implemented; pedwarn
671 for [*] outside C99 mode if pedantic rather than giving a hard
673 (grokdeclarator): Handle static and type qualifiers in parameter
675 * c-tree.h (build_array_declarator, set_array_declarator_type):
677 * extend.texi (Attribute Syntax): Document attributes in parameter
680 2001-05-25 Mark Mitchell <mark@codesourcery.com>
682 * config/i386/i386.md: Make sure cmpstr peepholes do not
683 affect liveness information.
685 2001-05-24 Mark Mitchell <mark@codesourcery.com>
687 * c-typeck.c (digest_init): Issue error messages about
688 invalid constants, not warnings.
690 2001-05-24 Mark Mitchell <mark@codesourcery.com>
692 * invoke.texi (-fno-builtin): Document that this is always on
695 2001-05-24 Philip Blundell <philb@gnu.org>
697 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
700 2001-05-24 Philip Blundell <philb@gnu.org>
702 * config/arm/arm.c (output_return_instruction): Correctly handle
703 interworking and interrupt functions.
705 2001-05-24 Philip Blundell <philb@gnu.org>
707 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
708 -m{no-}sched-prolog. Fix typos and improve formatting.
710 2001-05-24 Philip Blundell <philb@gnu.org>
712 * invoke.texi (ARM Options): Improve wording slightly. Add
713 documentation for more options, including those for Thumb mode.
714 Don't mention options that don't exist or are unimplemented.
715 (Thumb Options): Delete; merged into above section.
717 2001-05-24 Geoff Keating <geoffk@redhat.com>
719 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
720 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
722 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
724 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
725 fix hard register simplification.
727 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
729 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
730 of just copying CPP_CPU_SPEC.
732 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
734 * i386.c (incdec_operand): Accept only 1 and -1.
736 2001-05-23 Kelley Cook <kelley.cook@home.com>
738 * Makefile.in: Move many of the *_H definitions eariler in the
739 file, so that rules in t-* files that use them for
740 dependencies will work in a parallel build.
741 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
743 2001-05-23 Richard Henderson <rth@redhat.com>
745 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
747 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
749 * cpp.texi: Update for handling of charconsts.
750 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
751 diagnostics. Skip to the end if the UCS is too short.
752 (cpp_interpret_charconst): Long charconsts issue a warning
755 2001-05-23 Richard Henderson <rth@redhat.com>
757 * doc/install.texi (alpha-linux): Require binutils 2.11.
759 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
761 * c-lex.c (read_escape, read_ucs): Delete.
762 (lex_string): Use cpp_parse_escape.
763 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
764 if not C++ or not C99. Warn if traditional.
765 (parse_escape): Rename cpp_parse_escape. Make the bitmask
766 unsigned. Warn for out-of-range escape sequences here.
767 Update to use maybe_read_ucs.
768 (cpp_interpret_charconst): Don't warn here.
769 * cpplib.h (cpp_parse_escape): New exported function.
771 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
773 * extend.texi (Attribute Syntax): Clarify application of
774 attributes to parameters declared as functions or arrays.
776 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
778 * dbxout.c (dbxout_type_methods): Do still group methods by name.
780 2001-05-23 Zack Weinberg <zackw@stanford.edu>
782 * diagnostic.c (vnotice): Kill.
783 (fnotice): Call vfprintf directly.
784 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
785 verbatim, set_diagnostic_context): Rename string argument to
786 indicate that it is run through gettext.
787 (vbuild_message_string, build_message_string, output_do_printf):
788 Rename string argument to indicate that it is NOT run through
790 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
791 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
792 Run msgid argument through gettext.
793 (default_print_error_function): Run constant strings through
794 gettext when nothing else will.
795 (fatal_error, internal_error, error_recursion): Use fnotice.
796 Present complete sentences to gettext.
798 2001-05-23 Mark Mitchell <mark@codesourcery.com>
800 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
802 2001-05-23 Richard Henderson <rth@redhat.com>
804 * function.c (expand_function_start): Always use a pseudo
805 for the function result value.
807 2001-05-22 Richard Henderson <rth@redhat.com>
809 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
810 section pointer alignment.
812 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
814 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
815 of __USER_LABEL_PREFIX__.
817 2001-05-22 Richard Henderson <rth@redhat.com>
819 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
820 (__deregister_frame_info_bases): New.
821 * unwind-dw2-fde.h: Declare it.
822 * libgcc-std.ver: Export it.
823 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
824 called __register_frame_info_bases.
826 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
828 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
829 instead of #elif (which is OK for this case but not in general).
831 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
833 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
834 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
835 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
836 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
837 "r2" to the assembly file. Only issue allocs with non-zero parameters.
839 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
840 David O'Brien <obrien@freebsd.org>
842 * config/freebsd.h (LIB_SPEC): Key the exact setting to
843 configure-time options and target version of FreeBSD. Set-up
844 to match architectural change in threading support. Correctly
845 report when -pthread option is not supported by configure-time
847 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
848 and extend to encode target version number in run-time setting
849 of __FreeBSD__ macro to match the system compiler.
850 (CPP_PREDEFINES): Likewise.
851 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
853 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
854 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
856 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
857 David O'Brien <obrien@freebsd.org>
859 * config.gcc (the unlabeled system switch statement): Add
860 generic configuration section to handle *-*-freebsd*. Also,
861 to match the system compiler, default to threading support (it
862 may be disabled with the standard --disable-threads
863 configuration-time switch).
864 (i[34567]86-*-freebsd* in machine-specific section): Use it.
865 (alpha*-*-freebsd* in machine-specific section): Likewise.
867 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
868 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
869 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
870 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
871 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
873 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
874 David O'Brien <obrien@freebsd.org>
876 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
877 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
878 -pthread instead setting macro.
880 2001-05-22 Richard Henderson <rth@redhat.com>
882 * crtstuff.c (__register_frame_info_bases): Declare.
883 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
884 (__do_global_dtors_aux, __do_global_dtors): Streamline.
886 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
887 (CRT_GET_RFIB_DATA): New.
888 * config/i386/sysv4.h: Likewise.
889 * config/i386/sco5.h: Likewise.
890 (ASM_PREFERRED_EH_DATA_FORMAT): New.
892 2001-05-22 Richard Henderson <rth@redhat.com>
894 * rtl.c (read_string): Break out from ...
895 (read_rtx): ... here.
897 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
899 * doc/install.texi (Specific): Remove a bogus and duplicate part
900 copied from the end of the document.
902 2001-05-22 Bernd Schmidt <bernds@redhat.com>
904 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
906 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
908 * install.texi: Remove obsolete information on SunOS as well as
909 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
910 (Installing GNU CC on the Sun): Remove section.
912 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
914 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
915 keep errno unchanged on success.
917 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
919 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
920 once for hexadecimal floats, whether or not they contain a decimal
921 point. Don't let the setting of pedantic otherwise affect the
922 parsing of hexadecimal floats.
924 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
926 * README.ACORN: Remove obsolete file.
928 2001-05-22 Jan Hubicka <jh@suse.cz>
930 * combine.c (gen_binary): Use swap_commutative_operands_p
931 (simplify_comparison): Likewise.
932 * expmed.c (emit_store_flag): Likewise.
933 * expr.c (compare_from_rtx): Likewise.
934 (do_compare_rtx_and_jump): Likewise.
935 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
936 if not emitting a branch and operands want swapping.
938 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
940 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
941 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
942 (maybe_get_identifier): Update.
943 * tree.h (make_identifier): Delete.
945 2001-05-21 Richard Henderson <rth@redhat.com>
947 * combine.c (subst): Do not substitute for a register as
948 a destination subreg/strict_low_part/zero_extract.
950 * combine.c (simplify_comparison): Update op1 after constant
952 * recog.c (const_int_operand): Accept only constants valid
954 * genrecog.c: Update comments wrt const_int_operand.
956 * emit-rtl.c (init_emit_once): Zero unused memory in a
959 2001-05-21 Mark Mitchell <mark@codesourcery.com>
961 * tree.h (type_num_arguments): Declare it.
962 * tree.c (type_num_arguments): New function.
964 2001-05-21 Richard Henderson <rth@redhat.com>
966 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
969 2001-05-21 Geoff Keating <geoffk@redhat.com>
971 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
973 (minsf3): Use rs6000_emit_minmax.
974 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
976 (movsfcc): Use rs6000_emit_cmove.
977 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
978 Don't generate emit_fselsfsf4.
979 (fseldfsf4): Likewise.
980 (maxdf3): Use rs6000_emit_minmax.
982 (mindf3): Use rs6000_emit_minmax.
983 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
985 (movdfcc): Use rs6000_emit_cmove.
986 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
987 Don't generate emit_fselsfsf4.
988 (fselsfdf4): Likewise.
989 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
990 (min_max_operator): New predicate.
991 (rs6000_emit_cmove): New function.
992 (rs6000_emit_minmax): New function.
993 * config/rs6000/rs6000-protos.h: Prototype new functions.
994 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
995 and min_max_operator.
997 * config/rs6000/rs6000.c (output_cbranch): Handle all
998 conditional types in the switch statement.
1000 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1002 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
1003 non-register variables.
1004 * extend.texi: Document that asm-specifications do not make sense
1005 for non-static local variables.
1007 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
1009 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
1010 (dbxout_type_fields): Lose minimal_debug support.
1011 (dbxout_type_methods, dbxout_type): Likewise.
1013 2001-05-17 Andrew Haley <aph@redhat.com>
1015 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1017 2001-05-21 Richard Henderson <rth@redhat.com>
1019 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
1022 2001-05-20 Richard Henderson <rth@redhat.com>
1024 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1025 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
1026 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
1027 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1028 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
1030 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1031 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
1032 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
1033 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1034 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1035 DEBUG_PUBNAMES_SECTION): Rename as above.
1036 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1038 2001-05-20 Richard Henderson <rth@redhat.com>
1040 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
1041 operands unless the operation is commutative.
1043 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1045 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
1048 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
1050 * extend.texi: Clarify documentation of extensions included in ISO
1051 C99. Prefer C99 terminology and syntax to old GNU terminology and
1052 syntax. Add more index entries. Document mixed declarations and
1053 code as an extension in C89 mode. Warn about future changes to
1054 semantics of inline functions. Fixes PR other/930.
1056 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1058 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
1059 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1060 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
1061 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1063 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
1065 2001-05-20 Richard Henderson <rth@redhat.com>
1067 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
1068 to be output before a branch.
1070 2001-05-20 Richard Henderson <rth@redhat.com>
1072 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
1074 2001-05-20 Richard Henderson <rth@redhat.com>
1076 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
1077 (ASM_DOUBLE): Remove.
1078 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
1079 * config/i386/sun386.h: Likewise.
1081 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
1082 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
1084 * config/i386/cygwin.h (INT_ASM_OP): Remove.
1085 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
1086 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
1087 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
1089 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
1090 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
1091 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
1092 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
1093 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
1094 * config/i386/win32.h: Likewise.
1096 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1098 * invoke.texi: Add more options to summary list.
1100 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1102 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
1103 used. Fixes PR c/2291.
1104 * gcc.1: Regenerate.
1106 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1108 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
1109 the -fpic and -fPIC options, clear flag_pic.
1111 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1113 * hashtable.c (calc_hash): Fix HASHSTEP definition.
1114 * stringpool.c (make_identifier): No statistics here anymore.
1115 * objc-act.c (steup_string_decl): Remove redundant check.
1117 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1119 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
1120 cpplib.o, cpphash.o, fix-header): Update.
1121 (hashtable.o): New target.
1122 * c-common.h: Include cpplib.h. Define C_RID_CODE and
1123 struct c_common_identifier here.
1124 * c-lang.c (c_init_options): Update. Call set_identifier_size.
1125 * c-lex.c (c_lex): Update.
1126 * c-pragma.h: Update.
1127 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
1129 (C_RID_CODE): Delete.
1130 * cpphash.c: Rewrite to use hashtable.c.
1131 * cpphash.h: Update include guards.
1132 (struct cpp_reader): Remove hashtab.
1133 hash_ob and buffer_ob are no longer pointers. Add hash_table
1135 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
1136 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
1137 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
1138 * cppinit.c (cpp_create_reader): Update.
1139 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
1140 (cpp_interpret_charconst): Eliminate warning.
1141 * cpplib.c (do_pragma, do_endif, push_conditional,
1142 cpp_push_buffer, cpp_pop_buffer): Update.
1143 (_cpp_init_stacks): Rename cpp_init_directives.
1144 (_cpp_cleanup_stacks): Remove.
1145 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
1146 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
1147 cpp_forall_identifiers, cpp_create_reader): Update.
1148 (C_RID_CODE, cpp_make_node): New.
1149 (c_common_identifier): New identifier node for C front ends.
1150 * cppmain.c (main): Update.
1151 * fix-header.c (read_scan_file): Update.
1152 * flags.h (id_clash_len): Make unsigned.
1153 * ggc.h (ggc_mark_nonnull_tree): New.
1156 * stringpool.c: Update comments and copyright. Update to use
1158 * toplev.c (approx_sqrt): Move to hashtable.c.
1159 (id_clash_len): Make unsigned.
1160 * toplev.h (ident_hash): New.
1161 * tree.c (gcc_obstack_init): Move to hashtable.c.
1162 * tree.h: Include hashtable.h.
1163 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
1164 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
1165 (struct tree_identifier): Update.
1166 (make_identifier): New.
1168 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
1169 (C_RID_CODE): Remove.
1170 * lex.c (cxx_init_options): Call set_identifier_size. Update.
1171 (init_parse): Don't do it here.
1173 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
1175 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
1177 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
1179 (expand_eh_return): Convert between word_mode and Pmode.
1180 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
1182 (execute_stack_op): Likewise.
1183 (execute_cfa_program): Likewise.
1184 (uw_frame_state_for): Likewise.
1185 (uw_update_context_1): Likewise.
1186 * unwind.inc (_Unwind_Reason_Code): Likewise.
1187 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
1188 (EH_RETURN_STACKADJ_RTX): Likewise.
1189 * config/mips/mips.c (compute_frame_size): Make space for saving
1190 EH return registers.
1191 (mips_expand_epilogue): Handle EH stack adjustments.
1192 * config/mips/mips.md (eh_return): New pattern.
1193 (eh_set_lr_si): Likewise.
1194 (eh_set_lr_di): Likewise.
1195 Add splitter to perform EH return after reload.
1197 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1199 * jump.c (mark_jump_label): Tidy previous change.
1201 2001-05-19 Bruce Korb <bkorb@gnu.org>
1203 * fixinc/genfixes: no need for two warnings
1204 * fixinc/Makefile.in: open stdin for those building with a closed one.
1206 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1208 * jump.c (jump_optimize_1): Tidy.
1209 (mark_jump_label): When changing the label in a LABEL_REF, change
1210 update any REG_EQUAL notes as well.
1212 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
1214 * c-parse.in (parm_declarator): Split into
1215 parm_declarator_starttypename and parm_declarator_nostarttypename.
1216 (parm_declarator_starttypename, parm_declarator_nostarttypename):
1217 New. Allow parenthesised sub-declarators which don't begin with a
1218 TYPENAME. Fixes PR c/166.
1220 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1222 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
1224 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1226 * toplev.c (main): If the target does not allow profiling without
1227 a frame pointer, issue an error message.
1228 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1231 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1233 * recog.c (general_operand): Modify last change to allow it if reload
1236 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1238 * recog.c (general_operand): Prohibit nonzero subreg bytes on
1239 subregs containing mem.
1241 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
1243 * regrename.c (regrename_optimize): frame pointer register can
1246 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
1248 * README.DWARF: Move into dwarfout.c.
1250 2001-05-18 Dale Johannesen <dalej@apple.com>
1252 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
1253 specific misuse of r0 as a reload address.
1255 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1257 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
1260 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1262 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
1263 (add_to_sequence): Make that decision type.
1264 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
1265 (write_switch, write_cond, debug_decision_2): Likewise.
1267 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
1269 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
1272 2001-05-18 Stan Shebs <shebs@apple.com>
1274 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
1275 * configure: Regenerate.
1277 2001-05-18 Per Bothner <per@bothner.com>
1279 Changes needed for java/jvspec.c
1280 * gcc.h (n_infiles, outfiles): Add declarations.
1281 * gcc.c (n_infiles, outfiles): Mske no longer static.
1283 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
1285 * config/pa/som.h (EXCEPTION_SECTION): Define.
1287 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
1289 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
1291 Add have_location_lists, a variable to determine whether we need a
1292 .debug_loc section or not.
1293 (enum dw_val_class): Add dw_val_class_loc_list.
1294 (dw_val_struct): Add val_loc_list.
1295 (dw_loc_list_struct): New structure, represents location lists.
1296 (new_loc_list): New function, return a new location list, given
1297 the range and location expression.
1298 (add_loc_descr_to_loc_list): New function, add a location
1299 expression to a location list, given the expression and range.
1300 (output_loc_list): New function, output a location list.
1301 (gen_internal_sym): Modified to take symbol prefix, so we can
1302 reuse it for location list symbols.
1303 (add_AT_loc_list): New function, add a location list to a DIE at
1304 the named attribute.
1305 (AT_loc_list): New function, return the location list reference
1306 for a given attribute, if it's a location list.
1307 (print_die): Handle dw_val_class_loc_list.
1308 (size_of_die): Ditto.
1309 (value_format): Ditto.
1310 (output_die): Ditto.
1311 (output_location_lists): New function, output all of the location
1312 lists for a DIE and it's children.
1313 (dwarf2out_finish): Call output_location_lists if we have location
1317 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1319 * gcse.c (try_replace_reg): First try global replace, later try to
1320 simplify the expression.
1322 * gcse.c (find_used_regs): Change calling convention; work via
1324 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
1326 2001-05-18 Bernd Schmidt <bernds@redhat.com>
1329 2001-02-09 Nick Clifton <nickc@redhat.com>
1330 * config/arm/arm.md: Change output constraint on post inc
1331 load/store multiple patterns to be a read/write constraint.
1333 2001-05-18 Mark Mitchell <mark@codesourcery.com>
1335 * basic-block.h (struct basic_block_def): Add documentation about
1336 what a basic block is, and what the various fields are used for.
1337 * flow.c (calculate_globlal_regs_live): Add documentation about
1338 how the algorithm works, and how we know that it will terminate.
1339 Check that the the inductive assumption that guarantees
1340 termination actually holds.
1341 (mark_used_regs): Treat conditionally set registers as used.
1342 (debug_regset): Add comment.
1343 * rtl.texi (cond_exec): Add documentation.
1345 * function.c (expand_function_start): Avoid creating BLKmode
1348 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1350 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
1351 DIE, even if it has no children.
1352 (dwarf2out_finish): Always output the line-number table, even if
1355 2001-05-18 David Edelsohn <edelsohn@gnu.org>
1357 * rs6000.md (movsfcc,movdfcc): Remove NE case.
1359 2001-05-17 Bruce Korb <bkorb@gnu.org>
1361 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
1362 * fixinc/genfixes: emit a warning if AutoGen is out of date
1364 2001-05-17 Brendan Conoboy <blc@cygnus.com>
1365 Bruce Korb <bkorb@gnu.org>
1367 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
1368 found in fixinc directory. Facilitates binary distributions.
1370 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
1372 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
1375 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
1377 * dwarf2out.c (modified_type_die): Equate qualified type to die.
1379 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1381 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
1382 (simplify_subreg): Handle complex types represented as CONCAT.
1384 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
1385 * rtl.h (swap_commutative_operands_p): Declare.
1386 * rtlanal.c (swap_commutative_operands_p): New.
1387 (operand_preference): New static function.
1389 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
1390 (gen_binary): Likewise.
1391 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
1392 * simplify-rtx.c (simplify_gen_binary,
1393 simplify_gen_relational): Likewise.
1395 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1397 * cse.c (fold_rtx): Use simplify_subreg.
1399 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
1400 (simplify_gen_subreg): New.
1401 (simplify_rtx): Use simplify_subreg.
1402 * rtl.h (simplify_gen_subreg): Declare.
1404 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1406 * doc/install.texi: Update Solaris information.
1408 * except.h (protect_cleanup_actions): Remove it.
1409 (lang_protect_cleanup_actions): Declare it.
1410 * except.c (protect_cleanup_actions): Remove it.
1411 (lang_protect_cleanup_actions): New variable.
1412 (init_eh): Don't make protect_cleanup_actions a GC root.
1413 (expand_eh_region_and_cleanup): Call
1414 lang_protect_cleanup_actions.
1415 (output_function_exception_table): Remove unused `align'
1417 * varasm.c (assemble_external): Abort if we have not yet
1418 opened the assembly output file.
1420 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
1422 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
1423 for eh_personality_libfunc.
1425 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1427 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
1428 when calling simplify_subreg. This is needed to allow replacing
1429 of expression of one mode by expression of different mode.
1431 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1433 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
1435 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1437 * expr.c (protect_from_queue): Protect against subsequent calls to
1439 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
1442 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
1444 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
1446 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1448 * gccbug.in (CATEGORIES): Add "bootstrap".
1450 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1452 * simplify-rtx.c (simplify_subreg): Break out from ...
1453 * combine.c (combine_splify_rtx) ... here and ...
1454 * recog.c (validate_replace_rtx_1): ... here;
1455 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
1456 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
1457 (subreg_lowpart_p): ... here.
1459 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1461 * stmt.c (expand_asm_operands): For inout operands, make sure
1462 the substitution of '=' for '+' makes it into the rtl.
1464 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
1465 (reload_as_needed): Call update_eliminable_offsets a bit later.
1467 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1469 * gcc.texi (gccbug): Refer to the web pages for detailed information
1472 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1474 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
1476 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
1477 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
1478 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
1479 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
1480 * cross-make: Don't set LIBGCC1.
1481 * mklibgcc.in: Delete all code for building from libgcc1.c.
1482 Always honor LIB1ASMFUNCS if set.
1484 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
1485 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
1486 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
1487 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
1488 config/i386/uwin.asm, config/m68hc11/larith.asm,
1489 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
1490 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
1491 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
1492 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
1493 Delete or update references to libgcc1 in commentary.
1495 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
1496 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
1497 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
1498 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
1499 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
1500 config/arm/t-semi, config/arm/t-strongarm-coff,
1501 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
1502 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
1503 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
1504 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
1505 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
1506 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
1507 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
1508 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
1509 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1510 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
1511 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
1512 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
1513 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
1514 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
1515 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
1516 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
1517 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
1518 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
1519 config/mips/t-ultrix, config/mn10200/t-mn10200,
1520 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
1521 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
1522 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
1523 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
1524 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
1525 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
1526 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
1527 config/sparc/t-sparclite, config/sparc/t-splet,
1528 config/sparc/t-sunos41, config/sparc/t-vxsparc,
1529 config/sparc/t-vxsparc64, config/v850/t-v850:
1530 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
1532 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
1533 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
1534 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
1535 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
1536 nongcc_SI_type, nongcc_word_type, or perform_*
1537 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
1539 * config/i386/386bsd.h, config/i386/beos-elf.h,
1540 config/i386/linux-aout.h, config/i386/linux-oldld.h,
1541 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
1542 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
1543 Don't include i386/perform.h.
1545 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
1546 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
1547 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
1548 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
1549 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
1550 config/vax/t-openbsd, config/vax/t-vax: Delete.
1552 * config.gcc: Remove references to deleted files.
1553 (arm-semi-aof): Use arm/t-semi for tmake_file.
1555 * gcc.texi, install.texi, invoke.texi, tm.texi:
1556 Delete or rewrite text which is no longer relevant now that
1557 libgcc1 no longer exists.
1559 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
1560 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
1562 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
1563 Bruce Korb <bkorb@gnu.org>
1565 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
1568 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1570 * i386.md: Add two peepholes to clean up code generated by
1573 2001-05-16 Richard Henderson <rth@redhat.com>
1575 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
1576 variants of non-absolute encodings.
1578 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1580 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
1581 __register_frame_info_table_bases): Export.
1583 2001-05-16 Richard Henderson <rth@redhat.com>
1585 * except.c (eh_data_format_name): Move to ...
1586 * dwarf2asm.c: ... here. Use designated initializers if available.
1587 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
1588 * dwarf2asm.h: Update declarations.
1589 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
1590 ASM_PREFERRED_EH_DATA_FORMAT.
1591 (output_call_frame_info): Likewise. Use 'L' augmentation for
1594 * unwind-dw2-fde.h (struct fde_vector): New.
1595 (struct old_object): Rename from struct object.
1596 (struct object): New.
1597 (__register_frame_info_bases): Declare.
1598 (__register_frame_info_table_bases): Declare.
1599 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
1600 * unwind-dw2-fde.c (objects): Remove.
1601 (unseen_objects, seen_objects): New.
1602 (__register_frame_info_bases): New.
1603 (__register_frame_info): Use it.
1604 (__register_frame_info_table_bases): New.
1605 (__register_frame_info_table): Use it.
1606 (__deregister_frame_info): Rewrite for changed object struct.
1607 (base_from_object, get_cie_encoding, get_fde_encoding): New.
1608 (fde_unencoded_compare): Rename from fde_compare; uninline.
1609 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
1610 (start_fde_sort): Adjust for new definition of fde_vector.
1611 (fde_insert): Likewise.
1612 (end_fde_sort): Likewise. Select comparison function based
1613 on properties of the object.
1614 (fde_split): Take object and fde_compare_t arguments.
1615 (frame_heapsort, fde_merge): Likewise.
1616 (classify_object_over_fdes): Rename from count_fdes. Handle
1617 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
1619 (add_fdes): Handle encoded pointers.
1620 (init_object): Rename from frame_init. Update for new struct object.
1621 (linear_search_fdes): Rename from search_fdes. Handle encoded
1623 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
1624 (binary_search_single_encoding_fdes): New.
1625 (binary_search_mixed_encoding_fdes): New.
1626 (search_object): New.
1627 (_Unwind_Find_FDE): Update for new struct object. Fill in
1629 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
1630 iterating over EH data.
1631 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
1632 fde_encoding, lsda_encoding.
1633 (read_uleb128, read_sleb128): Remove.
1634 (read_encoded_pointer): Remove. All callers use read_encoded_value.
1635 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
1636 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
1638 * unwind-pe.h: Add "struct" to _Unwind_Context references.
1640 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1642 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
1643 * cpphash.c (_cpp_lookup_with_hash): Similarly.
1644 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
1645 cpp_spell_token, cpp_output_token): Similarly.
1646 * cpplib.c (lex_macro_node, do_undef, do_pragma,
1647 do_pragma_poison, parse_assertion, do_assert): Similarly.
1648 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
1649 save_parameter, _cpp_create_definition, check_trad_stringification,
1650 cpp_macro_definition): Similarly.
1651 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
1652 * c-lex.c (cb_undef, c_lex): Similarly.
1653 * fix-header.c (recognized_function): Similarly.
1654 * cpplib.h (NODE_LEN, NODE_NAME): New.
1655 (cpp_hashnode): Rename length len.
1657 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
1659 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1662 2001-05-16 Andreas Jaeger <aj@suse.de>
1664 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1666 * toplev.c: Include dwarf2asm.h for prototype of
1667 dw2_output_indirect_constants.
1669 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1671 * stmt.c (expand_asm_operands): Be able to offload addressof
1672 expression to memory. (PR optimization/185)
1674 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
1676 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
1677 applying distributive law.
1679 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1681 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1683 * gthr-dce.h (UNUSED): Attribute unused macro.
1684 (__gthread_key_dtor): Make arguments UNUSED.
1685 (__gthread_key_delete): Revise for compatibility with DRAFT4
1688 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1690 * doc/install.texi: Update AIX information.
1691 * README.RS6000: Remove obsolete file.
1693 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1694 Nathan Sidwell <nathan@codesourcery.com>
1696 * gcc.c (give_switch): Don't write before start of string.
1697 Always append suffix.
1699 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1701 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1704 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1706 * README.ALTOS: Remove obsolete file.
1708 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1710 * c-lex.h (save_and_forget_protocol_qualifiers,
1711 forget_protocol_qualifiers, remember_protocol_qualifiers):
1712 Remove deleted functions' prototypes.
1714 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1716 * c-parse.in (methodtype): New production.
1717 (methoddef, methodproto): Collapse separate '-' and '+'
1720 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1722 * c-common.h (RID_FIRST_PQ): New.
1723 * c-parse.in (objc_pq_context): New.
1724 (objc parser): Set objc_pq_context rather than calling
1725 remember_protocol_qualifiers and forget_protocol_qualifiers.
1726 Don't call save_and_forget_protocol_qualifiers.
1727 (yylexname): Handle objc protocol qualifiers here.
1728 * stringpool.c (struct str_header): Replace with sp_hashnode.
1729 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
1730 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
1731 Allocate an IDENTIFIER_NODE for each identifier.
1732 (FORALL_STRINGS, set_identifier): Delete.
1733 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
1734 (ggc_alloc_string): Use an obstack.
1735 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1736 * tree.h: Update comments.
1737 (set_identifier): Delete.
1738 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
1739 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
1740 remember_protocol_qualifiers): Delete.
1742 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
1744 * flow.c (life_analysis): After life analysis is complete, do
1745 an optional scan over insns looking for REG_LABEL notes that
1746 reference a deleted label.
1747 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1748 before peeking at LABEL_NUSES.
1750 2001-05-15 Richard Henderson <rth@redhat.com>
1752 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1753 (_Unwind_GetTextRelBase): New.
1755 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1757 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1759 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
1761 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
1762 so that CHOOSE_SECTION gets used.
1764 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
1765 TARGET_RELOCATABLE like flag_pic for now.
1767 2001-05-15 David Edelsohn <edelsohn@gnu.org>
1769 * rs6000.md (movdi splitter): Sign extend more efficiently.
1770 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
1771 to "long long" valid on 32-bit and 64-bit hosts.
1772 (logical_operand): Cast trunc_int_for_mode return value.
1773 (rs6000_emit_move): Shift macro to encapsulate variable.
1774 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
1775 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
1776 plus_constant requires signed argument.
1778 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1780 * gthr-posix.h: Make additional pthread-* functions weak.
1782 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1784 * recog.c (apply_change_group): Avoid unneeded validating.
1786 2001-05-14 David Edelsohn <edelsohn@gnu.org>
1788 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
1789 (num_insns_constant): CONST_INT can be 64-bits.
1791 2001-05-14 Stan Shebs <shebs@apple.com>
1793 * config/darwin.h (LIB_SPEC): Just use -lSystem.
1794 (LIBGCC_SPEC): Don't define.
1796 2001-05-14 Richard Henderson <rth@redhat.com>
1798 * configure.in (gcc_cv_as_eh_frame): New test.
1799 * config.in, configure: Rebuild.
1800 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1802 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1804 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1805 extended precision divide.
1807 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1809 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1810 for RETURNS as well.
1812 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1814 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
1815 (CPP_CPU??_SIZE_TYPE): New.
1816 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
1817 (CPP_CPU_SPEC): ... here; support choosing of CPU.
1818 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
1819 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
1821 * i386.c (override_options): Add sorry about not suported modes.
1823 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
1825 * config/pa/som.h (NM_FLAGS): Remove.
1826 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1827 (ASM_OUTPUT_SECTION_NAME): Remove.
1828 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1830 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1832 * regrename.c (regrename_optimize): Do not rename registers to
1835 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1837 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1838 contain MEMs. Remove useless distinction about clobbering
1841 2001-05-13 Geoff Keating <geoffk@redhat.com>
1843 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
1844 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
1845 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
1846 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1847 (EXCEPTION_SECTION): Define.
1849 2001-05-13 Zack Weinberg <zackw@stanford.edu>
1851 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
1852 binary backward compat only.
1853 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
1854 in LIB2FUNCS. Pass it to mklibgcc.
1855 * mklibgcc.in: Handle LIB2FUNCS_ST.
1857 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
1859 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1861 * tm.texi (THREAD_MODEL_SPEC): Document it.
1862 * gcc.c (main): Use it.
1863 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1864 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1866 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1868 * rtl.h (SYMBOL_REF_WEAK): New macro.
1869 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1870 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1871 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1872 * gcc.texi: Remove wrong description.
1874 2001-05-13 Mark Mitchell <mark@codesourcery.com>
1876 * Makefile.in (STAMP): New macro.
1877 Replace all uses of `touch' with $(STAMP).
1878 * fixinc/Makefile.in: Likewise.
1880 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1882 * configure.in: ldopen is never in -lexc, so don't test for it.
1883 Add test for exc_resume in -lexc for Ada.
1884 * configure: Regenerated.
1886 2001-05-12 Richard Henderson <rth@redhat.com>
1888 * dwarf2asm.c (size_of_encoded_value): New function.
1889 * dwarf2asm.h: Declare it.
1890 * except.c (output_function_exception_table): Align the TType
1891 array only as wide as the encoding.
1893 2001-05-12 Zack Weinberg <zackw@stanford.edu>
1895 * extend.texi: Document #pragma GCC java_exceptions.
1897 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1899 * c-parse.in (bison parser, init_reswords): Remove uses of
1901 * c-tree.h (doing_objc_thang): Remove.
1903 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1905 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
1906 about files not ending in newlines.
1908 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1910 * dwarfout.c (dwarfout_init): Add cast.
1911 * sched-deps.c (sched_analyze_insn): Remove unused vars.
1912 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
1914 * method.c (build_mangled_C99_name): Remove unused prototype.
1916 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1918 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
1920 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1922 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
1923 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
1925 2001-05-11 Richard Henderson <rth@redhat.com>
1927 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1928 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
1929 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
1930 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
1931 (dw2_output_indirect_constants): Prototype.
1932 * dwarf2out.c (dwarf2out_begin_prologue): Generate
1933 current_function_func_begin_label if we'll need it for EH. Exit
1934 early for IA64_UNWIND_INFO.
1935 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
1936 (eh_data_format_name): Update for indirect references.
1937 (output_function_exception_table): Care for IA64_UNWIND_INFO.
1938 Handle ASM_PREFERRED_EH_DATA_FORMAT.
1939 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
1940 define HAVE_eh_return etc.
1941 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
1942 (final_end_function): Don't call output_function_exception_table.
1943 * toplev.c (compile_file): Call dw2_output_indirect_constants.
1944 (rest_of_compilation): Invoke output_function_exception_table
1945 for ia64 before assemble_end_function.
1946 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
1947 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
1949 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
1950 * unwind.h: Declare them.
1951 * libgcc-std.ver: Export them.
1952 * unwind-pe.h: New file.
1954 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1956 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
1958 (find_fde_for_dso): Extract DT_PLTGOT.
1959 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
1960 the segment and gp as well.
1961 * config/ia64/frame-ia64.c: Remove file.
1962 * config/ia64/frame-ia64.h: Remove file.
1963 * config/ia64/unwind-ia64.c: New file.
1964 * config/ia64/unwind-ia64.h: New file.
1965 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
1966 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
1967 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
1968 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1969 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1970 (IA64_UNWIND_INFO): Re-enable.
1971 (HANDLER_SECTION): Remove.
1972 (EH_RETURN_DATA_REGNO): New.
1973 * config/ia64/ia64.md (exception_receiver): Remove.
1974 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
1975 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
1977 2001-05-11 Richard Henderson <rth@redhat.com>
1979 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
1980 calls and jumps to be bundled together.
1981 (ia64_reorg): Emit a break after a noreturn call that ends
1983 * config/ia64/ia64.md (break_f): New.
1985 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1987 * c-lex.c (lex_charconst): Convert into a simple wrapper
1988 around cpp_interpret_charconst, to which most of the code
1990 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
1991 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
1992 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
1993 (lex): Use cpp_interpret_charconst.
1994 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
1995 hex_digit_value): New functions.
1996 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
1997 * cpplib.h (cpp_interpret_charconst): New prototype.
1998 * Makefile.in: Update.
2000 2001-05-12 Dean Wakerley <dean@wakerley.com>
2002 * doc/install.texi: New file. Converted to texinfo from the HTML
2003 documentation in wwwdocs/htdocs/install.
2005 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
2007 * gcse.c (insert_insn_end_bb): Do not search for assignments to
2008 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2010 * toplev.c (compile_file): Move comment for opening output
2011 file to just before the code that opens the output file.
2013 2001-05-11 Jakub Jelinek <jakub@redhat.com>
2015 * regmove.c (regmove_optimize): Suppress the optimization for
2016 unchanging destination register. Add comment above function.
2018 2001-05-11 Zack Weinberg <zackw@stanford.edu>
2020 * Makefile.in: Exterminate all references to assert.h.
2021 * cross-make: Likewise.
2023 * configure.in: Correct commentary.
2024 * configure: Regenerate.
2026 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
2029 * config/t-freebsd, config/t-linux, config/t-linux-aout,
2030 config/t-netbsd, config/t-rtems, config/x-linux,
2031 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
2032 No need to override INSTALL_ASSERT_H.
2034 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
2035 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
2036 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
2038 2001-05-11 Graham Stott <grahams@redhat.com>
2040 * combine.c (simplify_comparison): Fix typo.
2042 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2044 * loop.h (struct movables): Remove `num'.
2045 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
2046 Adjust call to strength_reduce.
2047 (num_unmoved_movables): New function.
2048 (move_movables): Don't set movables->num.
2049 (strength_reduce): Compute the number of instructions in the loop
2050 here, rather than in the caller.
2051 (check_dbra_loop): Always clear reversible_mem_store if there
2052 are any memory sets.
2053 (loop_regs_scan): Don't count instructions here.
2054 (count_insn_in_loop): New function.
2056 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2058 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
2060 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
2062 * c-common.c (finish_label_expr): New function, lifted from
2063 from cp/semantics.c.
2064 * c-common.h (finish_label_expr, lookup_label): New prototypes.
2065 * c-parse.in: Move 3 blocks of parser code into new functions.
2066 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
2067 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
2068 (lookup_label): Remove.
2070 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
2072 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
2073 FLOAT_BIT_ORDER_MISMATCH.
2075 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2077 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
2078 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
2080 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2082 * expr.c (emit_group_load): extract_bit_field requires a REG or
2085 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
2087 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
2088 a computed jump into an unconditional jump.
2089 In second hunk of code for collapsing computed and conditional jumps
2090 into unconditional jumps, reemit the jump in additional cases.
2092 * jump.c (jump_optimize_1): Do not wrap the new jump target
2093 inside a LABEL_REF; gen_jump will do that automatically.
2095 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
2097 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
2098 contents for a SYMBOL_REF in case of floating point constants.
2100 2001-05-10 DJ Delorie <dj@redhat.com>
2102 * c-common.c (combine_strings): Widen strings in a
2103 host-endian-independent way.
2105 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
2107 * c-parse.in: Remove many shift/reduce conflicts. Update
2109 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
2110 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
2111 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
2112 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
2113 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
2114 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
2115 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
2116 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
2117 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
2118 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
2119 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
2120 typespec_reserved_nonattr, typespec_reserved_attr,
2121 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
2122 structsp_nonattr, components_notype, component_notype_declarator,
2123 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
2124 firstparm, setspecs_fp): New
2125 (typed_declspecs, reserved_declspecs, typed_typespecs,
2126 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
2127 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
2128 declmods_no_prefix_attr, nonempty_type_quals, structsp,
2129 type_quals): Remove. Users updated.
2130 (initdecls, notype_initdecls, after_type_declarator,
2131 parm_declarator, notype_declarator, absdcl1, components, ivars):
2132 Don't allow attributes at the start of a declarator; include them
2133 in the production containing the declarator instead. Always
2134 require type specifiers before trying to redeclare a typedef name.
2135 (typename): Allow for attributes but warn that they are ignored.
2136 (parmlist, firstparm, setspecs_fp): Include attributes in
2137 parmlist; suck them off the parser stack in firstparm using
2140 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
2142 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
2143 to determine if a block has an unconditional jump at its end.
2145 * jump.c (jump_optimize_1): When converting a conditional jump
2146 to an unconditional jump, build the jump using gen_jump instead
2147 of just modify operands in-place.
2149 2001-05-09 Zack Weinberg <zackw@stanford.edu>
2151 * cppinit.c (cpp_post_options): Shut off macro expansion if
2153 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
2154 IN_I directives only if the # is in column 1 and the directive
2155 name begins in column 2.
2156 * cppmain.c (scan_buffer): Insert a space between # and an
2157 identifier, when that identifier is a directive name.
2159 * tradcpp.c (struct file_buf): Add a pointer to the next entry
2160 in the header search path.
2161 (enum node_type): Add T_INCLUDE_NEXT.
2162 (directive_table): Add entry for include_next.
2163 (do_include_next): New function.
2164 (process_include): New routine, broken out of do_include.
2165 (finclude): Insert 'nhd' argument, to be copied into
2166 next_header_dir of the new buffer.
2167 (main): Adjust to match.
2168 * gsyslimits.h, limity.h: Un-indent #include_next.
2170 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
2172 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
2173 inclusion as a chapter of the GCC manual.
2174 * gcc.texi: Include objc.texi.
2175 * fdl.texi: Use @unnumberedsec for the addendum.
2176 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
2178 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2180 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
2182 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
2184 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
2185 handling of two-address insns.
2187 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
2189 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
2190 ../binutils/nm-new instead of ../binutils/nm.
2192 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2194 * i386.md (movdi splitter): Fix the splitting condition
2195 (float_extenddftf splitter): Fix mode.
2197 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
2199 * genrecog.c (write_switch): Avoid outputting of switch for
2200 types wider than int.
2202 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
2204 * reload1.c (copy_eh_notes): New function.
2205 (emit_input_reload_insns): Call it.
2206 (emit_output_reload_insns): Call it.
2208 2001-05-07 Zack Weinberg <zackw@stanford.edu>
2210 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
2212 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
2213 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
2215 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
2217 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
2219 * pa.md (interspace_jump): Revise comment.
2220 (builtin_longjmp): Block initial setup insns from delay slot of
2222 (builtin_setjmp_receiver): New expander to save and restore PIC
2225 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
2227 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
2229 * toplev.c (compile_file): Set up the output file before we call
2230 the various initializers for the compiler.
2232 * except.c (sjlj_mark_call_sites): Do not search for assignments to
2233 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2235 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
2236 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
2238 2001-05-06 Zack Weinberg <zackw@stanford.edu>
2240 * Makefile.in (tradcpp0): Correct typo in dependency list.
2242 2001-05-06 Geoff Keating <geoffk@redhat.com>
2244 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
2245 the link register if we're not going to use it.
2247 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
2248 (output_function_profiler): Likewise.
2250 2001-05-07 Alan Modra <amodra@one.net.au>
2252 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
2254 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
2256 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
2257 zero-extend it. Make abs_inc unsigned.
2259 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
2260 widest mode in narrowing and widening operations.
2262 * config/mips/mips.md: Sign extend CONST_INTs.
2264 2001-05-06 Andreas Jaeger <aj@suse.de>
2266 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
2267 (i386 Options): Document -momit-leaf-frame-pointer.
2269 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
2271 * c-typeck.c (internal_build_compound_expr): Check for
2272 array to pointer conversion just once.
2274 2001-05-05 Richard Henderson <rth@redhat.com>
2276 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
2278 2001-05-05 Richard Henderson <rth@redhat.com>
2280 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
2281 to the parent of the fixup region.
2283 2001-05-05 Jakub Jelinek <jakub@redhat.com>
2285 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
2287 * cpp.texi (__NO_INLINE): Document it.
2289 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
2291 * cppfiles.c (struct include_file): New member err_no.
2292 (find_or_create_entry): Set it.
2293 (open_file): Don't set fds to -2. Instead, use err_no to
2294 remember previous errors, if any.
2296 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2298 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
2299 between X and Y by using sequences of xgdx and xgdy.
2301 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2303 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
2304 of '!' for the 'D' alternative ('!' is too strong).
2305 ("*logicalsi3_silshl16"): Likewise.
2306 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
2307 ("movstrictsi"): Remove spurious '+'.
2308 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
2309 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
2310 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
2313 2001-05-04 David Edelsohn <edelsohn@gnu.org>
2315 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
2317 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
2319 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
2322 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2324 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
2327 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2329 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
2330 soft register, use ror instead of rol.
2332 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2334 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
2335 into account pre/post increment decrement for 68HC12.
2336 Fix other problems in replacement and fix call to reg_mentioned_p.
2338 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2340 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
2341 Put the soft registers in bss for 68HC12.
2342 (L_regs_d3_4): New for _.d3 and _.d4.
2343 (L_regs_d5_6): Likewise.
2344 (L_regs_d1_2): Likewise.
2345 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
2347 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2349 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
2350 to the pre-processor when -fshort-double is specified.
2351 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
2353 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2355 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
2356 (__mulsi3): Rewrite for 68HC12.
2357 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
2358 Mark 'x' constraint with earlyclobber to prevent a
2359 RELOAD_FOR_OTHER_ADDRESS to go in it.
2360 (mulhi3_m68hc12): New pattern.
2361 (mulhi3_m68hc11): Rename of mulhi3.
2362 (mulhi3): New expand for 68HC12 optimisation.
2363 (umulhisi3, mulhisi3): New patterns for 68HC12.
2365 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2367 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
2368 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
2369 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
2371 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2373 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
2374 constants cheap after reload.
2375 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
2377 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
2378 so that gcc prefers a shift by 16.
2379 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
2381 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
2383 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
2385 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2387 * alpha.h: NULL_PTR -> NULL.
2394 * i386.md: Likewise.
2397 * m68hc11.h: Likewise.
2398 * rs6000.h: Likewise.
2401 * sparc.h: Likewise.
2405 * final.c: Likewise.
2407 * recog.c: Likewise.
2409 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2411 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
2412 `bool' parameter to `int'.
2414 * hash.c (hash_lookup): Likewise.
2416 * hash.h (hash_lookup): Likewise.
2418 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
2420 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2422 * i386.c (x86_initialize_trampoline): Fix mode of constant.
2424 2001-05-03 Geoff Keating <geoffk@redhat.com>
2426 * invoke.texi (i386 Options): Delete references to -malign-jumps,
2427 -malign-loops, -malign-functions.
2428 * i386.c (ix86_align_funcs): Delete.
2429 (ix86_align_loops): Delete.
2430 (ix86_align_jumps): Delete.
2431 (override_options): Mark -malign-* as obsolete. Emulate their
2432 behaviour with the -falign-* options. Default -falign-* from
2433 the processor table.
2434 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
2435 patch of Wed May 2 13:09:36 2001.
2436 (LOOP_ALIGN): Delete.
2437 (LOOP_ALIGN_MAX_SKIP): Delete.
2438 (LABEL_ALIGN_AFTER_BARRIER): Delete.
2439 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
2441 2001-05-04 Andreas Jaeger <aj@suse.de>
2443 * except.h: Add prototype declaration for
2444 expand_builtin_init_dwarf_reg_sizes.
2446 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
2448 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
2450 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2452 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
2454 ("bitcmpqi2"): New pattern for bit-extract and test.
2455 ("bitcmphi"): New pattern for bitb/bita instructions.
2457 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
2459 * gccbug.in: Use a temporary directory when the mktemp command is
2462 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2464 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
2466 (INITIALIZE_TRAMPOLINE): Call it.
2467 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
2468 (TRAMPOLINE_TEMPLATE): Remove.
2469 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
2470 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
2473 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2475 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
2476 and crtendS.o with PIC.
2478 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2480 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2482 (___subdi3, ___adddi3): Use x instead of y as index register.
2483 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2484 (__memset, __memcpy): Likewise.
2485 (regs): Put the soft registers in bss for 68HC12.
2486 (abort): Use trap to abort for 68hc12.
2487 (__mulhi3, __mulhi32): Use emul for 68hc12.
2488 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2490 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2492 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2493 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2494 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2495 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2496 Set 68HC12 min offset to -65536.
2497 (print_operand): Put parenthesis arround the operand if it refers
2498 to a symbol having the same name as a register.
2499 (m68hc11_z_replacement): When z register is replaced by its
2500 equivalent soft register, force the insn to be re-recognized.
2501 (m68hc11_check_z_replacement): Fix the test when destination is
2502 the index register and z dies in the insn.
2503 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2505 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2507 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2508 costs according to processor variant.
2509 (m68hc11_shift_cost): New function to compute shift costs.
2510 (m68hc11_rtx_costs): Define costs according to processor variant.
2511 (m6811_cost): Costs for 68HC11.
2512 (m6812_cost): Costs for 68HC12.
2513 (COSTS_N_INSNS): Remove.
2515 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2516 (DEFAULT_RTX_COSTS): Remove.
2517 (CONST_COSTS): Define costs according to OUTER_CODE.
2518 (processor_costs): New struct to define costs.
2519 (m68hc11_cost): Pointer to current costs.
2521 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2523 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2524 and use m68hc11_notice_keep_cc when using leax/leay.
2525 (addhi3 split): Reject split if the insn is handled by
2527 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2528 push must be handled in a special way if the source operand uses
2529 sp as index register.
2530 (m68hc11_notice_keep_cc): New function.
2531 (m68hc11_gen_movhi): Use it when an insn changes a register but
2533 (m68hc11_gen_movqi): Fix move for 68HC12.
2534 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2536 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2538 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2539 and don't pass operands[0] to emit_library_call_value.
2541 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2543 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2544 (zero_extendsi split): Simplify and use (zero_extendhi).
2545 (*addhi3): Remove 'w' constraint since stack pointer is handled
2547 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2548 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2549 (*ashrhi3_const): Fix shift by 7.
2550 (*lshrsi3_const16): Fix template.
2551 (call, call_value): Fix constraint and predicate.
2553 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2555 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2556 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2557 (CC_REGNUM): Likewise.
2558 (*unnamed splits): Use above constants instead of hard coded numbers.
2559 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2560 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2561 (*return_16bit, *unnamed peepholes): Likewise.
2563 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2565 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
2566 rs6000/rs6000.h twice.
2568 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
2570 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
2571 (CPP_SPEC): Conditionally define MSDOS and GO32.
2572 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
2573 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
2575 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
2577 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2579 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
2581 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2583 * integrate.h (struct inline_remap): Add leaf_reg_map table.
2584 * integrate.c (expand_inline_function): Use xcalloc to allocate
2586 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
2589 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2591 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
2594 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2596 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
2597 linker if -mrelax is given.
2598 (TARGET_SWITCHES): Document -mrelax.
2600 Re-installed 2001-01-09's patch:
2601 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2602 if it's wider than long and the target's long is wider than the
2605 2001-05-02 David O'Brien <obrien@FreeBSD.org>
2607 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
2608 directly include rs6000/rs6000.h. Instead do it in tm.h.
2610 2001-05-02 Stan Shebs <shebs@apple.com>
2612 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
2613 NSConstantString for NeXT-style runtimes.
2614 (STRING_OBJECT_GLOBAL_NAME): New macro.
2615 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
2616 OCTI_STRING_CLASS_DECL.
2617 (constant_string_global_id): New macro.
2618 (string_class_decl): Ditto.
2619 (setup_string_decl): New function.
2620 (build_objc_string_object): Use it to build a NeXT runtime
2621 compatible string initializer.
2623 2001-05-02 Jakub Jelinek <jakub@redhat.com>
2625 * tradcpp.c (do_define): Make sure we don't walk past limit.
2627 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2629 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
2630 offsets if not REG_OK_STRICT.
2632 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
2633 (INT_REG_OK_FOR_INDEX_P): Likewise.
2634 (INT_REG_OK_FOR_BASE_P): Likewise.
2635 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
2636 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
2637 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
2638 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
2639 REG_OK_FOR_BASE_P. Take an additional parameter.
2640 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
2641 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
2642 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
2643 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
2644 rs6000_legitimate_address() and use it.
2645 * config/rs6000/rs6000.c: Update all callers.
2646 (rs6000_legitimate_address): New function.
2648 2001-05-02 David Edelsohn <edelsohn@gnu.org>
2650 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
2651 special_constant conditional blocks together.
2653 2001-05-02 Dale Johannesen <dalej@apple.com>
2655 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2657 (STRICT_ARGUMENT_NAMING): Define.
2658 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2659 function_arg_partial_nregs, setup_incoming_varargs): Remove
2660 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2663 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2665 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
2667 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2670 * expr.c (store_field): Do nothing except elaborate side-effects if
2673 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2675 * c-lex.c: NULL_PTR -> NULL.
2677 * emit-rtl.c: Likewise.
2679 * genpeep.c: Likewise.
2681 * mips-tdump.c: Likewise.
2682 * reload1.c: Likewise.
2683 * rtlanal.c: Likewise.
2685 * stor-layout.c: Likewise.
2686 * toplev.c: Likewise.
2688 2001-05-01 Per Bothner <per@bothner.com>
2690 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2691 call do_pending_stack_adjust before emiting label.
2693 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2695 * extend.texi: Fix typo.
2697 2001-05-01 Stan Shebs <shebs@apple.com>
2699 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2700 of UOBJC_MODULES_decl.
2701 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2702 (generate_descriptor_table): Ditto.
2703 (generate_protocols): Ditto.
2704 (generate_protocol_list): Ditto.
2705 (generate_classref_translation_entry): Ditto.
2707 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2709 * invoke.texi (Optimize Options): Add documentation for `--param
2710 max-delay-slot-insn-search' and `--param
2711 max-delay-slot-live-search' and reorder --param section.
2712 * params.def: Modify initial comment.
2713 * params.h (param_info): Add `help' member.
2714 * toplev.c (lang_independent_params): Include `help' description.
2715 (display_help): Print --param parameters.
2717 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2719 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
2720 Remove references to deleted files.
2721 (*-*-openbsd): No need to override xmake_file.
2722 (*-*-sysv4): Treat like *-*-sysv.
2724 * configure.in: Probe for ldopen in various places, and set up
2725 collect2 to be linked with them if found.
2726 Don't dink with Windows registry stuff unless $host_os is a
2727 Win32 os name. Check to see if we need -ladvapi32.
2728 * configure: Regenerate.
2730 * Makefile: Get rid of CLIB and HOST_CLIB.
2731 Substitute in COLLECT2_LIBS and link collect2 against its contents.
2732 * build-make: Get rid of HOST_CLIB.
2734 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2735 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2736 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2737 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
2738 config/rs6000/x-rs6000: Delete.
2740 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
2743 24 x-host fragments remain, 0 x-cpu, 3 top level.
2745 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2747 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
2748 * configure: Regenerate.
2750 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
2752 * Makefile.in (install-headers): Remove redundant dependency.
2754 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2756 * c-tree.texi (USING_STMT): Document.
2758 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2760 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
2761 * c-common.c: Likewise.
2762 * c-decl.c: Likewise.
2763 * combine.c: Likewise.
2764 * rs6000.c: Likewise.
2765 * except.c: Likewise.
2766 * explow.c: Likewise.
2768 * fold-const.c: Likewise.
2769 * function.c: Likewise.
2772 * integrate.c: Likewise.
2774 * objc/objc-act.c: Likewise.
2775 * recog.c: Likewise.
2776 * reg-stack.c: Likewise.
2777 * reload.c: Likewise.
2778 * reload1.c: Likewise.
2779 * simplify-rtx.c: Likewise.
2781 * varasm.c: Likewise.
2783 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
2785 * diagnostic.def: New file.
2786 * diagnostic.h (diagnostic_t): New enum.
2787 * Makefile.in (diagnostic.o): Depend on diagnostic.def
2789 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2791 * tsystem.h: Test only POSIX for availability of string.h
2793 * config.gcc (all systems): If USG appeared in xm_defines,
2794 change it to POSIX. If both USG and POSIX appeared, just
2795 delete USG. Remove unnecessary quotes around xm_defines
2797 (m68k-crds-unos*): Don't #define unos - tested nowhere.
2798 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
2799 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
2800 powerpc-*-linux*): No need to set xm_defines - handled by
2801 global settings for *-*-linux*.
2803 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2805 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
2806 Always include gstab.h, not system stab.h. Don't provide
2807 default definitions of N_CATCH or N_OPT. Always use the
2808 gstab.h variant of STAB_CODE_TYPE.
2809 * final.c: Don't include stab.h/gstab.h at all, or provide
2810 defaults for N_SLINE and N_SOL.
2812 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
2813 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
2815 * sdbout.c: Always include gsyms.h instead of system syms.h.
2817 * configure.in: No need to check for stab.h.
2818 * configure, config.in: Regenerate.
2819 * Makefile.in (final.o): Don't depend on gstab.h.
2821 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2822 Richard Henderson <rth@redhat.com>
2824 * extend.texi: Improve documentation of volatile asms.
2826 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2828 * c-tree.texi: Fix thinko.
2829 * gcc.texi: Likewise.
2831 2001-04-30 Richard Henderson <rth@redhat.com>
2833 * c-common.c (c_promoting_integer_type_p): New function, from the
2834 corpse of old macro. Properly promote too-small enumerations and
2835 booleans. Adjust all callers.
2836 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2837 (c_promoting_integer_type_p): Declare.
2838 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2839 * c-typeck.c: Likewise.
2840 (default_conversion): Remove now redundant boolean check.
2842 2001-04-30 Jan Hubicka <jh@suse.cz>
2843 Richard Henderson <rth@redhat.com>
2845 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2847 (combine_stack_adjustments_for_block): Don't combine stack
2848 allocation followed by deallocations. Handle grow-up stacks.
2850 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2852 * fdl.texi: New file.
2853 * c-tree.texi: Use the GFDL.
2854 * gcc.texi: Likewise.
2856 2001-04-30 Stan Shebs <shebs@apple.com>
2858 * invoke.texi: Add a section documenting Objective-C options.
2860 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
2862 * emit-rtl.c (try_split): Copy EH notes to sequence.
2864 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2866 * regmove.c (record_stack_memrefs): Catch all references to the
2869 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
2871 * Makefile.in (stmp-fixinc): quote shell assignment values
2873 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2875 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
2879 * prefix.c: Likewise.
2881 2001-04-28 Stan Shebs <shebs@apple.com>
2883 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
2884 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
2885 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
2886 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
2888 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
2889 (NEXT_OBJC_RUNTIME): Define.
2891 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2893 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
2894 * simplify-rtx.c (simplify_gen_relational): Likewise.
2896 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
2898 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
2899 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
2901 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
2902 registers in SSE case; fix handling of the immediates.
2903 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
2904 operands to be in regsiters before reload.
2905 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
2906 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
2907 (abstf,absxf,negtf,negxf splitters): Compute
2908 properly the regnum for x86_64.
2909 (avsdf2_if_rex64): New.
2911 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
2913 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
2914 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
2915 into the constant pool.
2916 * jump.c (jump_optimize_1): Remove barrier successors after all
2917 the LABEL_NUSES counds have been computed.
2918 (delete_barrier_successors): When deleting a tablejump insn, also
2919 delete the jump table it uses.
2920 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
2923 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
2925 * pa.c (FRP): Remove erroneous white space in macro definition.
2927 2001-04-28 Andreas Jaeger <aj@suse.de>
2929 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
2931 * extend.texi: Likewise.
2932 * tm.texi: Likewise.
2934 2001-04-28 Andreas Jaeger <aj@suse.de>
2936 * md.texi: Use XX-bit instead of XXbit or XX bit where
2939 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
2941 * gcc.c (process_command): Allow -l lib in addition to -llib
2942 for POSIX compliance. This fixes PR c/2347.
2944 * invoke.texi: Update section on Link Options accordingly.
2946 2001-04-27 Zack Weinberg <zackw@stanford.edu>
2948 * function.c (purge_addressof_1): Remove the duplicate
2949 if (code == SET) block. Fold the two if (code == ADDRESSOF)
2952 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
2954 * except.c (expand_eh_region_start): Don't start a new block.
2955 (expand_eh_region_end): Don't end a block.
2956 * stmt.c (expand_end_bindings): Don't end EH blocks.
2957 (expand_decl_cleanup): Starting an EH region won't change the block.
2958 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
2959 (is_eh_region): Lose.
2962 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
2964 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
2966 * collect2.c (main): Add `-L' case to remove duplicate entries.
2967 (is_in_args): New function to check for a duplicate argument.
2968 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
2969 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
2970 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2971 Define to be nonzero.
2973 2001-04-27 Andreas Jaeger <aj@suse.de>
2974 Richard Henderson <rth@redhat.com>
2976 * md.texi (Machine Constraints): Document additional i386
2977 constraints and fix description of "A".
2979 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
2981 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
2983 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
2985 * except.c (get_exception_filter): word_mode, not Pmode.
2987 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
2989 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
2990 common to other movsf patterns. Move up so that in future
2991 people who change the other patterns will change it too.
2992 (movsf_lo_sum): Allow even for soft-float; add appropriate
2994 (movsf_high): Likewise.
2995 (movsf_high+1): Allow even for soft-float.
2997 * function.c (expand_function_end): Always clobber the
2998 return registers, even if there is no return label.
3000 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3002 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
3004 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
3006 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
3007 (pushqi2_rex64, pushhi2_rex64): Add.
3009 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
3011 * except.c (expand_eh_region_end_cleanup): Force pending stack
3012 adjust before emitting label that branches around cleanup code.
3014 2001-04-26 H.J. Lu (hjl@gnu.org)
3016 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
3018 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
3020 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
3021 (ASM_OUTPUT_SECTION_NAME): Likewise.
3022 (ASM_WEAKEN_LABEL): Likewise.
3023 (UNIQUE_SECTION): Likewise.
3024 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3025 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3026 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
3027 (ASM_OUTPUT_SECTION_NAME): Likewise.
3028 (ASM_WEAKEN_LABEL): Likewise.
3029 (UNIQUE_SECTION): Likewise.
3030 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3031 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3032 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
3033 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
3034 (ASM_FILE_START): Likewise.
3035 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3036 (ASM_DECLARE_OBJECT_NAME): Likewise.
3037 (ASM_FILE_END): Likewise.
3038 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3039 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3040 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3041 (ASM_OUTPUT_CASE_LABEL): Likewise.
3042 (ASM_OUTPUT_SKIP): Likewise.
3043 (ASM_OUTPUT_ASCII): Likewise.
3044 (ASM_OUTPUT_IDENT): Likewise.
3045 (READONLY_DATA_SECTION): Likewise.
3046 (EXTRA_SECTIONS): Likewise.
3047 (EXTRA_SECTION_FUNCTIONS): Likewise.
3048 (SELECT_RTX_SECTION): Likewise.
3049 (SELECT_SECTION): Likewise.
3051 * config/mips/linux.h (INVOKE__main): Undefine.
3052 (CTOR_LIST_BEGIN): Likewise.
3053 (CTOR_LIST_END): Likewise.
3054 (DTOR_LIST_BEGIN): Likewise.
3055 (DTOR_LIST_END): Likewise.
3056 (SET_ASM_OP): Defined it to ".dummy".
3057 (ASM_OUTPUT_DEF): Defined.
3058 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
3060 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
3062 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
3063 assembler supports .p2align.
3065 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
3067 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
3069 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3071 * integrate.c (expand_inline_function): Check for error_mark_node
3074 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3076 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
3079 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
3081 * configure.in (configargs.h): Define thread_model.
3082 * configure: Rebuilt.
3083 * gcc.c (main): Print it with -v.
3085 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
3087 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
3088 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
3089 * gcc.1: Regenerate.
3091 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3093 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
3094 is_redundant_typedef): Use static inline instead of inline static.
3096 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
3098 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
3099 this directory is always searched.
3101 2001-04-25 Richard Henderson <rth@redhat.com>
3103 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
3104 of registers to restore along non eh_return path.
3106 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3108 * c-format.c (check_format_info_recurse): Handle
3109 PLUS_EXPR for format string.
3111 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3113 * config/ia64/ia64.h (CC1_SPEC): Define.
3114 * config/ia64/linux.h (CC1_SPEC): Define.
3116 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
3118 * emit-rtl.c (constant_subword): Also do sign extension in
3119 BITS_PER_WORD == 16 case.
3121 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
3123 * loop.c (try_swap_copy_prop): Go back to checking insn.
3125 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3127 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
3128 if check_mode is non-zero.
3130 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3132 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
3133 out and comparison sequence has been detected, put result into
3134 proper temporary pseudo.
3136 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3138 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
3139 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
3140 * libgcc2.c: Remove __dummy and __builtin_saveregs.
3141 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
3142 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
3143 for future reference.
3145 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
3147 * except.c (reachable_handlers): Step out one level from a RESX.
3149 * except.c (struct eh_region): Rename 'last' to 'resume'.
3150 (mark_eh_region, duplicate_eh_region_1): Adjust.
3151 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
3152 (build_post_landing_pads): Likewise.
3153 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
3154 (expand_eh_region_end_must_not_throw): Likewise.
3155 (connect_post_landing_pads): Thread (only) regions with non-deleted
3158 * except.c (expand_eh_region_end_cleanup): Save the EH return data
3159 registers around the cleanup.
3160 (get_exception_filter): New fn.
3161 (finish_eh_generation): Use it.
3163 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
3165 * c-semantics.c (add_scope_stmt): Don't call
3166 current_scope_stmt_stack multiple times.
3168 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3169 Nathan Sidwell <nathan@codesourcery.com>
3171 Lazy __FUNCTION__ generation.
3172 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
3173 RID_C99_FUNCTION_NAME): New _RIDs.
3174 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
3175 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
3176 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
3178 (function_id_node, pretty_function_id_node, func_id_node): Remove.
3179 (c99_function_name_decl_node, function_name_decl_node,
3180 pretty_function_name_decl_node, saved_function_name_decls):
3182 (struct language_function): Remove x_function_name_declared_p.
3183 (make_fname_decl): Remove a parameter.
3184 (declare_function_names): Remove prototype.
3185 (start_fname_decls, finish_fname_decls): Prototype.
3186 (fname_as_string): Likewise.
3187 (fname_string, fname_decl): Likewise.
3188 * c-common.c (make_fname_decl): Adjust.
3189 (struct fname_var_t): New struct.
3190 (fname_vars): New static array.
3191 (declare_function_name): Remove.
3192 (start_fname_decls, finish_fname_decls): New functions.
3193 (fname_as_string): New function from remnants of
3194 declare_function_name.
3195 (fname_string, fname_decl): New functions.
3197 * c-decl.c (c_function_name_declared_p): Remove.
3198 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
3199 don't call declare_function_name. Call start_fname_decls.
3200 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
3201 clobber the line number. Call finish_decl.
3202 (start_function): Call start_fname_decls.
3203 (finish_function): Call finish_fname_decls.
3204 Remove c_function_name_declared_p.
3205 (push_c_function_context): Don't push c_function_name_declared_p.
3206 (pop_c_function_context): Don't pop c_function_name_declared_p.
3207 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
3208 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
3209 (program): Call finish_fname_decls for C.
3210 (primary): Add VAR_FUNC_NAME.
3211 (reswords): Add slots for __FUNCTION__ et al.
3212 (rid_to_yy): Add mappings for __FUNCTION__ et al.
3213 (yylexname): If it's a STRING_FUNC_NAME generate the function name
3214 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
3215 * c-semantics.c (prune_unused_decls): Remove.
3216 (finish_stmt_tree): Don't call prune_unused_decls.
3217 (genrtl_decl_stmt): Don't prune unused decls here.
3219 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
3221 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
3222 constant pool, use the pool's SYMBOL_REF instead.
3224 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
3227 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
3229 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
3230 passing nested NOP_EXPRs to fold.
3232 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
3234 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
3236 2001-04-22 Mark Mitchell <mark@codesourcery.com>
3238 * loop.c (loop_delete_insns): Add prototype.
3240 2001-04-23 Phil Edwards <pme@sources.redhat.com>
3242 * configure.in: Remove ENABLE_STD_NAMESPACE.
3243 * config.in: Regenerated.
3244 * configure: Regenerated.
3246 2001-04-22 Stan Shebs <shebs@apple.com>
3248 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
3250 * config/rs6000/xm-darwin.h: Remove file.
3252 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3254 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
3255 (write_c_file_stat): Likewise.
3257 * dbxout.c (dbxout_init): Likewise.
3259 * profile.c (output_func_start_profiler): Likewise.
3261 2001-04-22 Philipp Thomas <pthomas@suse.de>
3263 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
3264 require it instead of the CVS version.
3265 * cpperror.c (v_message): Put a blank before the macro
3266 body to not confuse exgettext.
3268 2001-04-21 Mark Mitchell <mark@codesourcery.com>
3270 * flow.c (proagate_one_insn): Remove useless assignment.
3271 * jump.c (delete_insn): Tidy.
3272 * loop.c (try_copy_prop): When deleting an instruction with a
3273 REG_RETVAL note, delete the entire libcall sequence.
3274 (loop_delete_insns): New function.
3275 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
3276 we're not substituting into them yet.
3278 2001-04-21 Kazu Hirata <kazu@hxi.com>
3280 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
3282 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
3284 * config/i960/i960.c (signed_arith_operand): Likewise.
3286 * calls.c (expand_call): Fix a comment typo.
3288 2001-04-20 Zack Weinberg <zackw@stanford.edu>
3290 * configure.in: Probe for times, clock, struct tms, and clock_t.
3291 * configure, config.in: Regenerate.
3292 * timevar.c: Replace ifdef forest in get_time with (relatively)
3293 straightforward series of checks based on autoconf's probes.
3295 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
3297 * config/pa/som.h (NM_FLAGS): Define.
3299 2001-04-20 Bernd Schmidt <bernds@redhat.com>
3301 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
3303 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
3304 * ia64.c (nop_cycles_until): New function.
3305 (prev_cycle, prev_first, last_issued): New static variables.
3306 (ia64_sched_reorder): Additional arg for clock.
3307 On final scheduling pass, emit extra NOPs as needed.
3308 Set prev_first and prev_cycle.
3309 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
3310 (ia64_variable_issue): Set last_issued.
3312 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
3314 * config/i386/i386.c (ix86_expand_int_movcc,
3315 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
3317 2001-04-20 Geoff Keating <geoffk@redhat.com>
3319 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
3320 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
3321 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
3322 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
3323 ctrdi_internal6): In the short-branch case, this insn is only 4
3324 bytes long. Reported by Reza Yazdani <reza@apple.com>.
3326 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3328 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
3329 "=u" is used together with "st" resp. "st(1)" clobber.
3331 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3333 * gcse.c (gcse_main): Fix comment typo.
3334 (delete_null_pointer_check): Likewise.
3335 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
3336 * cse.c (cse_insn): Likewise.
3337 * function.c (fixup_var_refs_insns_with_hash): The sequence is
3340 2001-04-19 Zack Weinberg <zackw@stanford.edu>
3342 * toplev.c: Excise all code for the undocumented -dm option.
3343 (float_signal): Call signal just once, unconditionally.
3345 2001-04-19 Geoff Keating <geoffk@redhat.com>
3347 * fold-const.c (fold): Use first_rtl_op rather than
3348 TREE_CODE_LENGTH when looping over parameters of a tree.
3349 Correct strange grouping in test for evaluated SAVE_EXPR.
3351 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
3353 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
3354 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
3356 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
3357 name at 32 total characters.
3358 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
3359 functions in named sections -- data items can still go into unique
3360 sections, but they have normal names (ie $LIT$ and $DATA$).
3362 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
3365 2001-04-19 DJ Delorie <dj@redhat.com>
3367 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3368 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
3369 * config/i386/cygwin.h: Likewise.
3370 * config/i386/mingw32.h: Likewise.
3371 * config/vax/vms.h: Likewise.
3372 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
3374 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3375 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
3376 * config/i386/xm-cygwin.h: Likewise.
3377 * config/i386/xm-djgpp.h: Likewise.
3378 * config/i386/xm-mingw32.h: Likewise.
3379 * config/vax/xm-vms.h: Likewise.
3381 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
3382 instead of OBJECT_SUFFIX.
3383 * collect2.c (find_a_file): Look for files matching the extension
3384 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
3385 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
3386 TARGET_EXECUTABLE_SUFFIX.
3387 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
3388 (make_relative_prefix): Likewise.
3389 (convert_filename): Use TARGET_ suffixes throughout. Remove
3391 (process_command): Likewise.
3392 (do_spec_1): Likewise.
3393 * java/lang.c (init_parse): Likewise.
3395 * gcc.texi : Document four new options matching the pattern
3396 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
3397 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
3398 documentation for NO_AUTO_EXE_SUFFIX.
3400 2001-04-19 Mark Mitchell <mark@codesourcery.com>
3402 * toplev.h (struct lang_hooks): Allow decode_option to indicate
3403 that language-independent processing should not be done.
3404 * toplev.c (main): Adjust accordingly.
3406 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
3407 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
3409 * mips.md (reload_outputdi): Require that operand0 be a
3412 2001-04-19 Jakub Jelinek <jakub@redhat.com>
3414 * invoke.texi (-Wshadow): Clarify.
3416 2001-04-18 Mark Mitchell <mark@codesourcery.com>
3418 * loop.c (load_mems): Examine all the instructions in the loop
3419 before concluding that all jumps branch to the first instruction
3422 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
3424 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
3426 2001-04-18 Jakub Jelinek <jakub@redhat.com>
3428 * cpp.texi (-Wwhite-space): Remove.
3429 (-Wall): -Wall does not imply -Wwhite-space.
3431 2001-04-17 Zack Weinberg <zackw@stanford.edu>
3433 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
3434 use it instead of blindly generating a .stabs.
3435 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
3437 * xcoffout.c: Don't bother defining default for N_CATCH.
3438 (UNKNOWN_STAB): Use internal_error.
3439 (stab_to_sclass): Remove now-unnecessary aborts.
3440 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
3442 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
3444 * jump.c (mark_all_labels): Canonicalize the tail recursion
3445 label attached to CALL_PLACEHOLDER insns.
3447 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3449 * output.h (dump_flow_info, free_basic_block_vars,
3450 which_alternative): Delete redundant prototypes.
3452 * rtl.h (bss_section): Likewise.
3454 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
3456 * dbxout.c (N_OPT): Define if not available from <stab.h>
3458 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3460 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
3461 libraries and native K&R compilers.
3463 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3465 * c-typeck.c (convert_arguments): Don't check for width changes
3468 * invoke.texi (-Wtraditional): Update documentation.
3470 2001-04-16 Zack Weinberg <zackw@stanford.edu>
3472 * toplev.c (output_lang_identify): Delete.
3473 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
3474 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
3475 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
3476 after calling ASM_FILE_END.
3478 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
3479 Instead, unconditionally emit an N_OPT stab with string equal
3480 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
3482 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
3484 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
3485 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
3486 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
3487 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
3488 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
3489 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
3490 config/i370/i370.h, config/i386/beos-elf.h,
3491 config/i386/osf1elf.h, config/i386/osfrose.h,
3492 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
3493 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
3494 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
3495 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
3496 config/mips/iris6.h, config/mips/osfrose.h,
3497 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
3498 config/sparc/sp64-elf.h:
3499 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
3500 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
3502 * config/elfos.h, config/freebsd.h, config/linux.h,
3503 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
3504 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
3505 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
3506 of ASM_FILE_START which merely emit a .version directive. Delete
3507 definitions of ASM_FILE_END which merely emit an .ident directive.
3509 * config/avr/avr.h, config/vax/vax.h: Delete definition of
3510 ASM_IDENTIFY_GCC and move part of its logic into
3513 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
3514 config/sparc/linux-aout.h: Don't emit .version directive in
3517 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
3518 (output_file_start): Correct comment.
3520 * config/i386/osfrose.h: Don't emit trailing .ident directive.
3521 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
3523 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
3524 * config/rs6000/aix.h: Correct comment.
3526 * config/i386/i386afe.h: Delete.
3527 * config.gcc: Remove references to i386afe.h.
3529 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
3530 other macros deleted by this patch were undocumented.
3532 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
3534 * pa.md (reload_outdi): Operand 0 must be a non hard register.
3536 * pa.c (secondary_reload_class): SAR<->FP copies require a
3539 * install.texi (mips-mips-bsd): Update list of functions
3540 required to include memmove.
3541 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
3542 used functions to include memmove.
3544 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
3546 * i386.md (sqrtdf2): SFmode should be DFmode.
3548 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
3550 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
3551 (find_moveable_store): Likewise.
3553 2001-04-15 Jim Wilson <wilson@redhat.com>
3555 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
3557 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
3559 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
3560 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
3562 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
3564 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
3567 2001-04-14 Alan Modra <amodra@one.net.au>
3569 * pa.c (force_mode): New function.
3570 (emit_move_sequence): Use it instead of generating new rtx_REGs.
3572 2001-04-13 Jim Wilson <wilson@redhat.com>
3574 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
3575 (first_instruction): New static variable.
3576 (rtx_needs_barrier): Return 1 for alloc.
3577 (init_insn_group_barriers): Set first_instruction.
3578 (rws_sum): Delete duplicate definition.
3579 (group_barrier_needed_p): Return 0 when first_instruction true.
3580 (safe_group_barrier_needed_p): Save and restore first_instruction
3581 around group_barrier_needed_p call.
3583 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
3585 * expr.h (enum libfunc_index): Add LTI_memmove.
3586 (memmove_libfunc): Define macro.
3587 * optabs.c (init_optabs): Initialize memmove_libfunc.
3588 * expr.c (expand_assignment): Use memmove_libfunc instead of
3591 2001-04-13 Alan Modra <alan@linuxcare.com.au>
3593 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
3596 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3598 * Makefile.in (reg-stack.o): Depend on reload.h.
3599 (insn-attrtab.o): Depend on flags.h.
3601 * genattrtab (main): Include flags.h in insn-attrtab.c.
3603 * reg-stack.c: Include reload.h.
3605 * sparc.h (flag_pic): Delete redundant declaration.
3607 * output.h (flag_pic): Likewise.
3609 * tree.h (pedantic): Likewise.
3611 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3613 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
3615 * jump.c, regmove.c, toplev.c: Include reload.h.
3617 * reload.h (reload_cse_regs): Declare.
3619 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
3620 reload_cse_regs, init_reload, mark_home_live, reload,
3621 init_caller_save): Delete redundant prototypes.
3623 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3625 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
3627 * regclass.c, ssa.c: Include expr.h.
3629 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
3630 gen_move_insn): Delete redundant declarations.
3632 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3634 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
3635 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
3636 MAKEINFO and MAKEINFOFLAGS too.
3637 (stage4_build): Correctly order -B flags.
3639 2001-04-13 Alan Modra <amodra@one.net.au>
3641 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
3642 PIC_OFFSET_TABLE_SAVE_RTX.
3643 (zdepi_cint_p): Describe zdepi insn.
3644 Formatting and white space fixes throughout file.
3646 * pa.c (uint32_operand): Don't use long constant >= 2^32.
3647 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
3648 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
3649 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
3650 (output_64bit_and): Use plain `int's for shift counts.
3651 (output_64bit_ior): Likewise.
3652 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
3653 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
3656 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
3657 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
3658 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
3659 NEW_HP_ASSEMBLER into one. Kill warnings.
3661 * pa-gas.h: Delete file.
3662 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
3663 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
3664 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
3665 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
3667 * config/pa/mill32.S: New file.
3668 * config/pa/mill64.S: New file.
3669 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
3670 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
3671 * config/pa/t-linux64: New file.
3672 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
3673 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
3674 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
3676 * elfos.h (SELECT_SECTION): Undef before defining.
3677 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
3678 (LIB_SPEC): Remove -lmilli.
3679 (DBX_REGISTER_NUMBER): Remove.
3680 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
3681 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
3682 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
3683 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
3684 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
3685 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
3686 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
3687 TARGET_GAS): Define.
3688 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
3689 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
3690 regs if we don't have a prototype.
3691 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
3692 * pa.h (TARGET_ELF32): Default to 0 if undefined.
3693 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
3694 EH_RETURN_HANDLER_RTX): Define.
3695 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
3696 (DWARF_FRAME_REGNUM): Define.
3697 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
3698 * pa32-linux.h: New file.
3699 * pa64-linux.h: New file.
3701 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3702 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
3703 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
3704 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
3705 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
3706 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
3707 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3708 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3709 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
3710 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
3711 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3712 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
3713 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
3714 * pa64-hpux.h: New file.
3715 (ASM_FILE_START): Correct typo.
3716 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
3717 * config.gcc: Modify for above.
3719 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3721 * jump.c (jump_optimize_1): Don't delete dead stores here.
3722 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
3723 prior to running jump optimize before cse2.
3725 2001-04-12 Richard Henderson <rth@redhat.com>
3727 * Makefile.in (regmove.o): Depend on except.h.
3728 * regmove.c: Include it.
3730 2001-04-12 Stan Shebs <shebs@apple.com>
3732 * objc/objc-act.c: Remove all code ifdefed with the never-used
3733 macro OBJC_INT_SELECTORS.
3734 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3735 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
3737 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3739 * config/pa/quadlib.c: Add prototypes.
3741 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3743 * bitmap.h (debug_bitmap): Delete redundant prototype.
3745 * rtl.h (get_frame_size): Likewise.
3747 2001-04-12 Jim Wilson <wilson@redhat.com>
3749 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
3750 to just emit an fnorm.
3752 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3754 * c-common.h (truthvalue_conversion, type_for_mode,
3755 type_for_size): Delete redundant declarations.
3757 * c-lex.h (is_class_name): Likewise.
3759 * c-tree.h (pedantic, convert, getdecls, gettags,
3760 global_bindings_p, init_decl_processing, insert_block,
3761 maybe_build_cleanup, poplevel, print_lang_decl,
3762 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
3763 set_block, incomplete_type_error, build_function_call,
3764 lvalue_or_else, mark_addressable): Likewise.
3766 * expr.h (expand_tree_builtin): Likewise.
3768 2001-04-12 Mark Mitchell <mark@codesourcery.com>
3770 * invoke.texi: Document --param max-gcse-memory.
3772 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3774 * configure.in (errno): Check for declaration.
3775 * configure, config.in: Regenerated.
3777 * system.h (errno): Only declare if not already done.
3779 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3781 * recog.c (general_operand, immediate_operand,
3782 nonmemory_operand): Require CONST_INTs to be sign-extended
3783 values for their modes.
3785 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3787 * expmed.c (store_bit_field): Truncate CONST_INTs.
3788 (expand_mult_highpart, expand_divmod): Likewise.
3789 * expr.c (convert_modes, store_field): Likewise.
3790 * integrate.c (expand_inline_function): Use promote_mode() to
3791 determine whether to convert_modes() an argument as signed
3793 * optabs.c (expand_binop): Get CONST_INT operands
3794 sign-extended for their appropriate modes.
3795 * stmt.c (emit_case_nodes): Convert node values to the
3797 (expand_end_case): Convert minval and range to the appropriate
3799 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
3800 the iteration variable.
3801 * varasm.c (immed_double_const): Don't require words to be
3802 narrower than host wide ints to properly sign-extend
3805 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3807 * sh.md (builtin_setjmp_receiver): New expander.
3809 2001-04-12 David Edelsohn <dje@watson.ibm.com>
3811 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
3812 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
3813 for generating CONST_INT and CONST_DOUBLE.
3815 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3817 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3818 already sign-extended.
3819 (rs6000_emit_prologue): Make register iterator signed.
3820 (rs6000_emit_epilogue): Likewise.
3821 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
3823 (movsf split, movdf split): Sign-extend CONST_INTs.
3824 (movdi splits): Likewise.
3826 2001-04-12 Kelley Cook <kelley.cook@home.com>
3828 * config-lang.in (lang_dirs): Add in zlib.
3830 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
3832 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
3833 operands that make it to RTL.
3835 2001-04-11 Stan Shebs <shebs@apple.com>
3837 Add Darwin (Mac OS X kernel) native support.
3838 * config.gcc (powerpc-*-darwin*): Add native bits.
3839 * config/darwin.c: New file, generic Darwin support functions.
3840 * config/darwin.h: New file, generic Darwin definitions.
3841 * config/darwin-protos.h: New file, generic Darwin prototypes.
3842 * rs6000/darwin.h: New file, Darwin for PowerPC.
3843 * rs6000/t-darwin: New file, Darwin makefile fragment.
3844 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
3845 (TARGET_MACHO): Ditto.
3846 (rs6000_abi): Add ABI_DARWIN.
3847 (RS6000_REG_SAVE): Add ABI_DARWIN case.
3848 (RS6000_SAVE_AREA): Ditto.
3849 (FP_ARG_MAX_REG): Ditto.
3850 (RETURN_ADDRESS_OFFSET): Ditto.
3851 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
3853 (rs6000_emit_move): Add ABI_DARWIN cases.
3854 (print_operand): Ditto.
3855 (first_reg_to_save): Ditto.
3856 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
3857 (debug_stack_info): Ditto.
3858 (rs6000_emit_prologue): Ditto.
3859 (rs6000_emit_epilogue): Ditto.
3860 (output_profiler_hook): Ditto.
3861 (output_function_profiler): Ditto.
3862 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
3863 (output_mi_thunk): Add TARGET_MACHO case.
3864 (add_compiler_stub): Ditto.
3865 (output_compiler_stub): Ditto.
3866 (no_previous_def): Ditto.
3867 (output_call): Ditto.
3868 (machopic_output_stub): Ditto.
3869 (rs6000_machopic_legitimize_pic_address): Ditto.
3870 (toc_section): Ditto.
3871 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
3872 (macho_high): Ditto.
3875 (load_macho_picbase): Ditto.
3876 (call): Add TARGET_MACHO case to modify function.
3877 (call_value): Ditto.
3878 (call_nonlocal_sysv): Add ABI_DARWIN case.
3879 (call_value_nonlocal_sysv): Ditto.
3880 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
3882 (machopic_output_stub): Ditto.
3883 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
3885 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3887 * dwarf2out.c (modified_type_die): Don't create new types here.
3888 * tree.h (get_qualified_type): New function.
3889 (build_qualified_type): Adjust comment.
3890 * tree.c (get_qualified_type): New function.
3891 (build_qualified_type): Use it.
3893 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3895 * cpp.texi (-Wtraditional): Update description.
3897 * invoke.texi (-Wtraditional): Likewise.
3899 2001-04-11 Jim Wilson <wilson@redhat.com>
3901 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
3902 requires more than 64 bits of alignment.
3904 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
3906 * cpplib.c (do_line): Sanity check iff enable checking.
3908 2001-04-11 Richard Henderson <rth@redhat.com>
3910 * Makefile.in (insn-recog.o): Depend on toplev.h.
3911 (insn-emit.o, doloop.o): Likewise.
3912 * genrecog.c, genemit.c: Include toplev.h in generated file.
3913 * doloop.c: Include toplev.h.
3915 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3917 * Makefile.in (gcse.o): Depend on params.h.
3918 * gcse.c: Include params.h.
3919 (gcse_main): Don't do GCSE if doing so will take inordinate
3921 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
3922 * params.h (MAX_GCSE_MEMORY): New macro.
3924 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3926 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
3928 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
3930 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3932 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
3934 * real.h (ereal_atof, real_value_truncate, target_isnan,
3935 target_isinf, target_negative, assemble_real, debug_real): Delete
3936 redundant prototypes.
3938 * Makefile.in (ifcvt.o): Depend on toplev.h.
3940 * c-semantics.c: Include expr.h.
3942 * ifcvt.c: Include toplev.h.
3944 * expr.h (rtx_equal_p): Delete prototype.
3946 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
3947 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
3948 eliminate_constant_term, expand_complex_abs, find_single_use,
3949 make_tree, init_expr_once, init_optabs, supports_one_only):
3952 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
3953 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
3954 expand_assignment, store_expr, emit_line_note_after,
3955 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
3957 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
3959 * sparc-protos.h: Delete redundant prototypes.
3961 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
3963 * reload.c (push_reload): Add condition missed in SUBREG byte
3966 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3968 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
3970 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3972 * i386.md (floatsisf_sse): Fix output template
3973 * i386.c (ix86_expand_fp_movcc)
3975 * reg-stack.c (emit_pop_insn): Handle complex modes.
3976 (move_for_stack_reg): Emit proper move mode.
3977 (subst_stack_regs_pat): Handle complex modes.
3979 2001-04-11 Jakub Jelinek <jakub@redhat.com>
3981 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
3983 2001-04-10 Richard Henderson <rth@redhat.com>
3985 * libgcc2.h (__terminate_func_ptr): Remove typedef.
3986 (__pure_virtual, __terminate, __terminate_set_func,
3987 __default_terminate, __throw_type_match, __empty,
3988 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
3989 __eh_rtime_match, __unwinding_cleanup, __rethrow,
3990 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
3991 Remove prototypes of deleted functions.
3993 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3995 * c-typeck.c (convert_arguments): -Wtraditional now activates
3996 -Wconversion warnings, except for changes in signed-ness.
3997 Detect complex<->int & int<->complex conversions as well.
3999 * invoke.texi (-Wtraditional): Document it.
4001 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4003 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
4004 * flow.c (set_block_for_new_insns): Remove needless cast and
4005 properly check for unset block number.
4007 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
4009 * function.c (purge_single_hard_subreg_set): Only check REGNO if
4010 the subreg was a hard register. Pseudos are left as subregs.
4012 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4014 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
4015 (LIB2ADD_ST): New macro, pass it to mklibgcc.
4016 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
4017 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
4018 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
4020 2001-04-09 Bo Thorsen <bo@suse.co.uk>
4022 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
4024 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4026 * output.h (set_block_num): Missed it earlier, remove deprecated
4029 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4031 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
4032 (load_killed_in_block_p): Change bb parameter from int to basic_block.
4033 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
4034 (handle_rd_kill_set): Change bb parameter from int to basic_block.
4035 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
4036 (expr_killed_p): Change bb parameter from int to basic_block, pass
4037 basic_blocks instead of ints as parameters.
4038 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
4039 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
4040 from int to basic_block, pass basic_blocks instead of ints as parms.
4041 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
4042 parameter from int to basic_block, pass basic_blocks instead of ints.
4043 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
4044 (insert_insn_end_bb): Change bb parameter from int to basic_block,
4045 pass basic_blocks instead of ints.
4046 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
4047 basic_blocks instead of ints as parameters.
4048 (pre_delete): Pass basic_blocks instead of ints as parameters.
4049 (hoist_expr_reaches_here_p): Change bb parameter from int to
4050 basic_block, pass basic_blocks instead of ints.
4051 (hoist_code): Pass basic_blocks instead of ints as parameters.
4052 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
4053 Change bb parameter from int to basic_block.
4054 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
4055 (insert_insn_start_bb): Change bb parameter from int to basic_block,
4056 pass basic_blocks instead of ints.
4057 (insert_store): Pass basic_blocks instead of ints as parameters.
4058 (replace_store_insn, delete_store): Change bb parameter from int to
4059 basic_block, pass basic_blocks instead of ints.
4060 (store_motion): Pass basic_blocks instead of ints as parameters.
4062 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4064 * basic-block.h (set_new_block_for_insns): New Prototype.
4065 (set_block_num): Delete prototype.
4066 * flow.c (set_block_num): Remove obsolete function.
4067 (set_block_for_new_insns): Set BB for single or multiple insns.
4068 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
4069 (process_insn_end_bb): Use set_block_for_new_insns or
4070 set_block_for_insn instead of set_block_num.
4071 (pre_insert_copy_insn): Use set_block_for_new_insns.
4072 (update_ld_motion_stores): Use set_block_for_new_insns.
4073 (insert_insn_start_bb): Use set_block_for_new_insns.
4074 (replace_store_insn): Use set_block_for_new_insns.
4076 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4077 Jeff Law <law@redhat.com>
4079 * alias.c (get_addr): Externalize.
4080 (canon_true_dependence): New function. Behaves like true_dependance
4081 except it already assumes a MEM has been canonicalized.
4082 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
4083 * gcse.c (struct ls_expr): Add load/store expressions structure.
4084 (modify_mem_list, canon_modify_mem_list): New variable.
4085 (gcse_main): Initialize & finalize alias analysis. Use enhanced
4086 load motion and store motion if requested.
4087 (alloc_gcse_mem): Allocate space for modify_mem_list array.
4088 (free_gcse_mem): Free the modify_mem_list array.
4089 (oprs_unchanged_p): Use load_killed_in_block_p.
4090 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
4091 (mems_conflict_for_gcse_p): New function. Don't kill loads
4092 with stores to themselves if its in the load/store expression list.
4093 (load_killed_in_block_p): New function.
4094 (canon_list_insert): New Function.
4095 (record_last_mem_set_info): Keep a list of all instructions which
4096 can modify memory for each basic block.
4097 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
4098 (oprs_not_set_p): Use load_killed_in_block_p.
4099 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
4100 (expr_killed_p): Use load_killed_in_block_p.
4101 (compute_transp): Do not pessimize memory references.
4102 (pre_edge_insert): Update stores for a load motion expression.
4103 (one_pre_gcse_pass): Check loads/stores for extra load motion.
4104 (ldst_entry): Find or create a ldst_expr structure.
4105 (free_ldst_entry): Free memory for an individual item.
4106 (free_ldst_mems): Free entire load/store expression list.
4107 (print_ldst_list): Print debug info.
4108 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
4109 (enumerate_ldsts): Assign integer values to each entry in list.
4110 (first_ls_expr): First expression in the list.
4111 (next_ls_expr): Next expression in the list.
4112 (simple_mem): Check if expression qualifies for ld/st expression list.
4113 (invalidate_any_buried_refs): Remove from expression list if its
4114 used in some other way we dont understand.
4115 (compute_ld_motion_mems): Find all potential enhanced load motion
4117 (trim_ld_motion_mems): Remove any expressions which are invalid.
4118 (update_ld_motion_stores): Copy store values to registers for loads
4119 which have been moved.
4120 (regvec, st_antloc, num_store): New global statics.
4121 (reg_set_info): Marks registers as set.
4122 (store_ops_ok): Verfies registers expressions are valid in a block.
4123 (find_moveable_store): Look for moveable stores in a pattern.
4124 (compute_store_table): Find stores in a function worth moving, maybe.
4125 (load_kills_store): Check dependance of a load and store.
4126 (find_loads): Find any loads in a pattern.
4127 (store_killed_in_insn): Check if a store is killed in an insn.
4128 (store_killed_after): Check is store killed after an insn in a block.
4129 (store_killed_before): Check is store killed before an insn in a block.
4130 (build_store_vectors): Generate the antic and avail vectors.
4131 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
4132 (insert_store): Add a store to an edge.
4133 (replace_store_insn): Replace a store with a SET insn.
4134 (delete_store): Delete a store insn.
4135 (free_store_memory): Free memory.
4136 (store_motion): Perform store motion.
4137 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
4138 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
4139 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
4140 (f_options): Add gcse-lm and gcse-sm.
4142 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
4144 * i386.c (expand_fp_movcc): Fix condition reversal code.
4146 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
4147 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
4148 (CLASS_MAX_NREGS): Use it.
4150 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
4151 handle properly complex values.
4152 (CLASS_MAX_NREGS): Likewise; update comment.
4154 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4156 * ia64.c (ia64_flag_schedule_insns2): New variable.
4157 (ia64_override_options): Initialize it. Clear
4158 flag_schedule_insns_after_reload.
4159 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
4161 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
4163 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
4164 Do not require source to match destination anymore;
4165 Add abort to the nontrivial cases that should be handled by split.
4166 (fix_trunc?fdi): Add SSE case for x86_64.
4167 (floatdi?f): Likewise.
4168 (floatdi?f_sse): New.
4169 (fix_trunc?fdi_sse): New.
4171 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
4173 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
4174 (DEBUG_ARANGES_END_LABEL): Ditto.
4175 (dwarfout_init): Generate length and version fields at the start
4176 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
4177 after the length field.
4178 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
4179 the .debug_aranges info.
4181 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4183 * i386.c (call, call_value): Make sure that resulting call_insn
4184 does have proper second operand.
4186 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
4188 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
4189 function. Remove include of sys/cygwin.h.
4191 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
4193 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
4194 (CPP_SPEC): Always search */include/w32api for header files.
4195 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
4196 (LINK_SPEC): Add "cyg" to the library search prefixes.
4198 2001-04-08 Philip Blundell <philb@gnu.org>
4200 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
4202 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
4204 * cpperror.c (print_location): Don't special case <stdin>.
4205 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
4206 WARNING, but we don't check if we're in system headers.
4207 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
4208 * cpplib.c (do_warning): Warn in system headers.
4210 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
4212 * mbchar.c: Include config.h first.
4214 2001-04-07 Zack Weinberg <zackw@stanford.edu>
4216 * config.gcc: Set default for xmake_file at top, not bottom.
4217 Change places that set xmake_file to "none" to set to the
4218 empty string instead, or remove them entirely if there is no
4219 default xmake_file for this cpu_type. Remove references to
4222 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
4223 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
4224 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
4225 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
4226 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
4227 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
4228 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
4229 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
4230 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
4231 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
4234 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
4235 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4236 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4237 config/mips/x-sysv, config/rs6000/x-aix31:
4238 Just set CLIB to -lld or -lmld, as appropriate.
4240 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
4241 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
4242 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
4243 config/mips/x-iris, config/pa/x-pa:
4244 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
4245 OTHER_FIXINCLUDES_DIRS.
4247 * config/i386/x-djgpp: Don't set LN or LN_S.
4248 * config/m88k/x-dolph: Don't define __m88k__.
4249 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
4250 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
4251 * config/i860/fx2800.h: No need to #undef SVR4.
4253 38 x-host fragments remain, 2 x-cpu.
4255 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4257 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
4259 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4261 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
4263 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4265 * configure.in: Add check for lstat.
4266 * configure, config.in: Regenerate.
4267 * cppinit.c (append_include_chain): Make empty path ".".
4268 * cpplib.c (do_line): Don't simplify #line paths.
4269 * cppfiles.c (remove_component_p): New function.
4270 (find_or_create_entry): Acknowledge stat () errors during
4271 path simplification.
4272 (handle_missing_header): Don't simplify paths.
4273 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
4274 the empty path untouched. Don't leave a trailing '/'.
4276 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
4278 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4279 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4281 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4283 * cppfiles.c (open_file): Fail directories silently, but
4284 with an errno of NOENT set.
4285 (read_include_file): Move the common exit code to the sole
4286 caller. Return an int indicating success or failure. Let
4287 open_file handle directories.
4288 (stack_include_file): If read_include_file fails,
4289 push a "null" buffer.
4291 2001-04-05 DJ Delorie <dj@redhat.com>
4293 * function.h (virtuals_instantiated): Declare.
4294 * function.c: (virtuals_instantiated): Make global.
4295 * calls.c (emit_library_call_value_1): Use
4296 virtual_outgoing_args_rtx only if it hasn't been instantiated.
4297 Otherwise, use the stack pointer directly.
4299 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4301 * i386.c (x86_initialize_trampoline): New global function.
4302 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
4303 (INITIALIZE_TRAMPOLINE): Move offline.
4304 * i386-protos.h (x86_initialize_trampoline): Declare.
4306 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4308 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
4309 (lea_0): Rename to lea_1.
4310 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
4311 (lea_general_?): Allow SImodes on TARGET_64BIT
4312 (lea_general_?_zext): New patterns.
4313 (call_1, call_1_rex64): Fix.
4315 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4317 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
4319 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4321 * i386.c (function_arg): Return constm1_rtx for last argument.
4322 (ix86_expand_prologue): Update gen_call calls.
4323 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
4324 * i386.md (call_pop): Likewise.
4325 (call): Second operand is VOIDmode.
4326 (call_0): Likewise; Support 64bits.
4327 (call_exp): New expander.
4328 (call_1): Get to the sync.
4329 (call_1_exp): New pattern.
4330 (call_value): Support 64bit.
4331 (call_value_exp): New pattern.
4332 (untyped_call): Update gen_call call.
4333 (call_value_pop): Disable for 64bit.
4334 (call_value_0_rex64): New pattern.
4335 (call_value_1_rex64): Likewise.
4337 2001-04-05 Bo Thorsen <bo@suse.de>
4339 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
4341 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
4343 * i386.md (*andsi_1+3): If used after reload, make sure the operand
4344 satisfies ANY_QI_REG_P.
4346 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4348 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
4351 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
4354 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4356 * config.gcc: Remove default for xm_file. Clean up local
4357 machine type handling. Remove settings of xm_file to
4358 something that doesn't exist. In the big switch, set xm_file,
4359 don't append to it (the value before the big switch is always
4360 null). Don't force build_xm_file or host_xm_file to have a value.
4361 * configure.in: Remove default for xm_file. Do not special
4362 case $cpu/xm-$cpu.h not existing.
4363 * configure: Regenerate.
4365 2001-04-04 Diego Novillo <dnovillo@redhat.com>
4367 * simplify-rtx.c (simplify_binary_operation): Check for overflow
4368 when folding integer division and modulo operations.
4370 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
4372 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
4373 instead of DWARF2_ADDR_SIZE for EH addresses.
4374 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
4377 2001-04-04 Richard Henderson <rth@redhat.com>
4379 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
4380 * config/ia64/t-glibc (LIB2ADDEH): Disable.
4381 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
4383 2001-04-04 Richard Henderson <rth@redhat.com>
4385 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
4386 * configure: Rebuilt.
4388 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4390 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
4391 push insns to delete to it instead of deleting them.
4392 (delete_null_pointer_checks): Delete insns from delete_list after
4393 all delete_null_pointer_checks_1 passes are done.
4395 2001-04-04 Richard Henderson <rth@redhat.com>
4397 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
4398 * configure: Rebuilt.
4400 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4402 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
4403 * config/romp/xm-romp.h: Delete.
4405 2001-04-04 Bernd Schmidt <bernds@redhat.com>
4407 * sched-deps.c (sched_analyze_insn): Partially revert March 27
4410 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4412 * emit-rtl.c (mark_label_nuses) Increment the label uses for
4413 all labels present in rtx.
4414 (try_split) Call new function for all split insns.
4416 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4418 * recog.c (validate_replace_rtx_1): Instead of aborting just make
4419 sure the change won't be validated.
4421 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
4423 * rtl.h (set_noop_p): Declare.
4424 * flow.c (set_noop_p): Move from here ...
4425 * rtlanal.c (set_noop_p): ... to here and enhance.
4426 * cse.c (delete_trivially_dead_insns): Use it.
4427 * gcse.c (hash_scan_set): Likewise.
4428 * jump.c (delete_noop_moves): Likewise.
4429 * recog.c (split_all_insns): Likewise.
4431 2001-04-04 Alan Modra <alan@linuxcare.com.au>
4433 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
4434 stack pointer via a LO_SUM. Ditto for setting a temp register
4435 used to save to the stack. Set cfa_temp when setting fp, and
4436 allow matches to cfa_temp in addition to cfa_store when saving
4437 regs. Handle POST_INC and LO_SUM register stores. Document the
4438 changes and errors in rule 12 doco.
4440 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
4441 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
4442 (load_reg): Move closer to epilogue code.
4443 (DO_FRAME_NOTES): Define to control the following..
4444 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
4445 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
4447 (hppa_expand_epilogue): Likewise.
4449 2001-04-03 Richard Henderson <rth@redhat.com>
4451 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
4452 * configure: Rebuild.
4454 2001-04-03 Richard Henderson <rth@redhat.com>
4456 * rtl.h (LCT_THROW): New.
4457 * calls.c (emit_library_call_value_1): Handle it.
4458 * except.c (connect_post_landing_pads): Use it.
4460 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4462 * gansidecl.h: Delete file.
4463 * configure.in: Change all refs to gansidecl.h to use
4464 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
4466 * configure: Regenerate.
4468 * Makefile.in (intl.o): Don't depend on gansidecl.h.
4469 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
4470 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
4471 Don't include gansidecl.h.
4472 * intl.c, main.c, version.c, fixinc/fixlib.h,
4473 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
4476 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4478 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
4481 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4483 * config/i386/xm-beos.h, config/i386/xm-isc.h,
4484 config/i386/xm-next.h, config/i386/xm-sco.h,
4485 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
4486 config/m88k/xm-m88k.h: Delete.
4488 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
4489 * config/romp/xm-romp.h: Don't define bcopy.
4490 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
4491 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
4493 * config.gcc: Remove references to deleted files.
4495 14 xm-host.h remain, 1 xm-cpu.h.
4497 2001-04-03 Jakub Jelinek <jakub@redhat.com>
4498 David S. Miller <davem@pierdol.cobaltmicro.com>
4499 Andrew MacLeod <amacleod@redhat.com>
4501 Use byte offsets in SUBREGs instead of words.
4503 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
4504 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
4505 to pass new argument.
4506 (add_stored_regs): Use subreg_regno_offset function.
4507 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
4509 (precompute_arguments): Use gen_lowpart_SUBREG.
4510 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
4511 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
4512 (simplify_set): Rework to use SUBREG_BYTE.
4513 (expand_field_assignment): Use SUBREG_BYTE.
4514 (make_extraction): Use SUBREG_BYTE.
4515 (if_then_else_cond): Use SUBREG_BYTE.
4516 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
4517 (gen_lowpart_for_combine): Compute full byte offset.
4518 * cse.c (mention_regs): Use SUBREG_BYTE.
4519 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
4520 (canon_hash): Use SUBREG_BYTE.
4521 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
4522 (gen_lowpart_if_possible): Formatting.
4523 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
4525 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4526 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4527 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4528 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4529 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4530 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4531 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
4532 certain invariants about SUBREGs the compiler creates.
4533 (gen_lowpart_SUBREG): New function.
4534 (subreg_hard_regno): New function to get the final register number.
4535 (gen_lowpart_common): Use SUBREG_BYTE.
4536 (gen_imagpart): Spacing nits.
4537 (subreg_realpart_p): Use SUBREG_BYTE.
4538 (gen_highpart): Use SUBREG_BYTE.
4539 (subreg_lowpart_p): Always compute endian corrected goal offset,
4540 even at the byte level, then compare against that.
4541 (constant_subword): New function, pulled out all constant cases
4542 from operand_subword and changed second argument name to offset.
4543 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
4544 and call constant_subword to do the work. Return const0_rtx if
4545 looking for a word outside of OP.
4546 (operand_subword_force): Change second arg name to offset.
4547 * expmed.c (store_bit_field): Use SUBREG_BYTE.
4548 (store_split_bit_field): Use SUBREG_BYTE.
4549 (extract_bit_field): Use SUBREG_BYTE.
4550 (extract_split_bit_field): Use SUBREG_BYTE.
4551 (expand_shift): Use SUBREG_BYTE.
4552 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
4553 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
4554 * flow.c (set_noop_p): Use SUBREG_BYTE.
4555 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
4556 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
4557 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
4559 (optimize_bit_field): Use SUBREG_BYTE.
4560 (purge_addressof_1): Use SUBREG_BYTE.
4561 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
4562 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
4563 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
4564 * gengenrtl.c (special_rtx): Add SUBREG.
4565 * global.c (mark_reg_store): Use SUBREG_BYTE.
4566 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
4567 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
4568 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
4569 final byte offset is congruent to subreg's mode size.
4570 (subst_constants): Use SUBREG_BYTE.
4571 (mark_stores): Use subreg_regno_offset function.
4572 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
4573 function and SUBREG_BYTE.
4574 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
4575 (reg_is_born): Use subreg_hard_regno.
4576 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
4577 endian correction code. Don't combine subregs unless resulting
4578 offset aligns with type. Fix subreg constant extraction for DImode.
4579 Simplify SUBREG of VOIDmode CONST_DOUBLE.
4580 (general_operand): Remove dead mode_altering_drug code.
4581 (indirect_operand): Use SUBREG_BYTE.
4582 (constrain_operands): Use subreg_regno_offset function.
4583 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
4584 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
4585 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
4586 * regs.h (REG_SIZE): Allow target to override.
4587 (REGMODE_NATURAL_SIZE): New macro which target can override.
4588 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
4589 on the entire subreg rtx.
4590 (push_reload): Use SUBREG_BYTE in comments and code.
4591 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
4592 for hard registers inside subregs.
4593 (operands_match_p): Use subreg_regno_offset.
4594 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
4595 containing hard regs.
4596 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
4597 corrections when fixing up MEM subregs.
4598 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
4599 subreg_regno_offset where appropriate.
4600 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
4601 byte endian corrections when fixing up MEM subregs.
4602 (subst_reloads): When combining two subregs, make sure final
4603 offset is congruent to subreg's mode size.
4604 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
4605 (refers_to_regno_for_reload_p): Use subreg_regno.
4606 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
4607 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
4608 correction code for memory subreg fixups.
4609 (forget_old_reload_1): Use subreg_regno_offset.
4610 (choose_reload_regs): Use subreg_regno.
4611 (emit_input_reload_insns): Use SUBREG_BYTE.
4612 (reload_combine_note_store): Use subreg_regno_offset.
4613 (move2add_note_store): Use subreg_regno_offset.
4614 * resource.c (update_live_status, mark_referenced_resources): Use
4615 subreg_regno function.
4616 (mark_set_resources): Use subreg_regno function.
4617 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
4618 (subreg_regno_offset, subreg_regno): Define prototypes.
4619 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
4620 (gen_lowpart_SUBREG): Add prototype.
4621 * rtl.texi (subreg): Update to reflect new byte offset representation.
4622 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
4623 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
4624 (reg_overlap_mentioned_p): Use subreg_regno.
4625 (replace_regs); Make sure final offset of combined subreg is
4626 congruent to size of subreg's mode.
4627 (subreg_regno_offset): New function.
4628 (subreg_regno): New function.
4629 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
4630 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
4631 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
4632 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
4633 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
4634 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
4635 (a29k_get_reloaded_address): Use SUBREG_BYTE.
4636 (print_operand): Use SUBREG_BYTE.
4637 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
4638 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
4639 (arm_reload_out_hi): Use SUBREG_BYTE.
4640 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
4641 instead of SUBREG_WORD.
4642 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
4643 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
4644 SUBREG creation to use byte offset.
4645 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
4646 inverted load insns): Fix explicit rtl subregs to use byte
4648 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
4649 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
4650 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
4651 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
4652 to use byte offsets.
4653 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
4654 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
4655 offsets, also make sure it is congruent to SUBREG's mode size.
4656 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
4657 unnamed ldob insn): Generate SUBREGs with byte offset.
4658 (zero_extendqihi2): SUBREG's are byte offsets.
4659 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
4660 (m68hc11_gen_highpart): Use SUBREG_BYTE.
4661 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
4662 zero-extendqisi2): Generate SUBREGs with byte offset.
4663 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
4664 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
4665 subregs in rtl to use byte offsets.
4666 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
4667 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
4668 (mips_move_2words): Use subreg_regno_offset.
4669 (mips_secondary_reload_class): Use subreg_regno_offset.
4670 * config/mips/mips.md (DImode plus, minus, move, and logical op
4671 splits): Fixup explicit subregs in rtl to use byte offsets.
4672 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
4673 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
4674 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
4675 rtl to use byte offsets.
4676 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
4677 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
4678 subregs to use byte offsets.
4679 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
4680 Fixup explicit subregs in rtl to use byte offsets.
4681 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
4682 and remove byte endian correction code.
4683 * config/sh/sh.c (output_movedouble): Use subreg_regno.
4684 (gen_ashift_hi): Use SUBREG_BYTE.
4685 (regs_used): Use subreg_regno_offset.
4686 (machine_dependent_reorg): Use subreg_regno_offset.
4687 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
4688 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
4689 (movdf_i4): Subregs are byte offsets now.
4690 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
4691 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
4692 (REGMODE_NATURAL_SIZE): Override.
4693 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
4694 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
4696 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
4697 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
4698 extendqidi2): Generate SUBREGs with byte offsets, also make sure
4699 it is congruent to SUBREG's mode size.
4700 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
4702 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
4703 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
4704 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
4705 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
4706 * config/v850/v850.c (print_operand, output_move_double): Use
4707 subreg_regno function.
4709 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4711 * configure.in (target_subdir): Use target_alias, not target.
4712 * configure: Rebuilt.
4714 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4716 * config/sh/crti.asm: Fix typos in comments.
4718 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4720 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
4721 TARGET_FAST_INDIRECT_CALLS.
4722 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
4724 (return_addr_rtx): Short circuit export stub matching when
4725 TARGET_NO_SPACE_REGS.
4726 (output_millicode_call): For out of range calls, make -fPIC
4727 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
4728 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
4729 * pa.md: Modify length attr calculation of all millicode insns to
4732 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
4734 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4735 Require at least 2.11 in the version test. Specifically check
4736 for and reject GAS version 2.10.90.
4737 * configure: regenerate.
4739 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4741 * pa.c (override_options): Remove PIC profiling warning.
4742 (hp_profile_labelno): Delete.
4743 (hp_profile_label_rtx): Delete.
4744 (hp_profile_label_name): Delete.
4745 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
4746 (output_function_prologue): Remove profiling code and all tests on
4747 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
4748 merge_sp_adjust_with_store can work for PIC and profiling.
4749 (hppa_expand_epilogue): Remove profile_flag test.
4750 (hppa_can_use_return_insn_p): Likewise.
4751 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
4752 cater for PROFILE_HOOK.
4753 (hppa_profile_hook): New function.
4754 * pa.h (FUNCTION_PROFILER): Now does nothing.
4755 (PROFILE_HOOK): Define.
4756 (hppa_profile_hook): Declare.
4757 (PROFILE_BEFORE_PROLOGUE): Delete.
4758 (ASM_OUTPUT_REG_PUSH): Delete.
4759 (ASM_OUTPUT_REG_POP): Delete.
4760 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
4761 r24. Accept function name operand, and use this and a locally
4762 generated label to calculate pc-rel offset to func start.
4764 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4766 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
4767 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
4770 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4772 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4773 LO_SUM cases to where they belong.
4775 2001-04-02 Richard Henderson <rth@redhat.com>
4777 * except.h (lang_eh_type_covers): Mark extern.
4778 (lang_eh_runtime_type): Likewise.
4780 2001-04-02 Zack Weinberg <zackw@stanford.edu>
4782 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
4783 gengenrtl.c: Wrap generated header in multiple-include guard.
4784 Improve error checking.
4786 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4788 * configure.in: Don't check for putenv.
4789 * configure: Regenerate.
4790 * gcc.c (putenv): Don't define.
4791 * vax/xm-vms.h: Handle putenv.
4793 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4795 * ifcvt.c (noce_emit_move_insn): New.
4796 (noce_try_store_flag, noce_try_store_flag_constants,
4797 noce_try_store_flag_inc, noce_try_store_flag_mask,
4798 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
4799 noce_try_abs): Use it.
4800 (noce_process_if_block): Likewise.
4801 For STRICT_LOW_PART, take mode from its SUBREG.
4803 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4805 * fold-const.c (fold): Before optimizing unsigned comparison with
4806 0x7fffffffU, make sure arg0 is integral type.
4808 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4810 * c-tree.texi: Document representation of wide strings.
4812 2001-04-01 Richard Henderson <rth@redhat.com>
4814 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
4816 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
4818 * i386.md: remove obsoleted comments.
4819 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
4820 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
4821 fix output template.
4823 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4825 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
4827 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4829 * loop.c (load_mems): When generating a load from a pseudo, update
4832 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4834 * i386.c (ix86_split_long_move): Use change address to compensate
4835 stack pointer change in push instruction.
4837 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4839 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
4840 instead of rtx_equal_p; fix the output template.
4842 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4844 * i386.c (ix86_expand_setcc): Support 64bit.
4845 (ix86_expand_int_movcc): Likewise.
4846 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
4849 * i386.md (allocate_stack_worker): Turn to expander.
4850 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
4852 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
4854 2001-03-29 Richard Henderson <rth@redhat.com>
4856 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
4858 2001-03-28 Matthew Hiller <hiller@redhat.com>
4860 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
4863 * MAINTAINERS: Added self.
4865 2001-03-28 Richard Henderson <rth@redhat.com>
4867 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4868 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
4870 2001-03-28 Jim Wilson <wilson@redhat.com>
4872 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
4875 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4877 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
4879 * tradcif.y (yyerror): Likewise. Add format specifier in call to
4882 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
4884 2001-03-28 DJ Delorie <dj@redhat.com>
4886 * Makefile.in (stage1_build): Revert CFLAGS patch.
4888 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
4890 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
4891 when multiplier or multiplicand is zero.
4893 2001-03-28 Bernd Schmidt <bernds@redhat.com>
4895 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
4897 * config/ia64/ia64.c (update_set_flags): New function, broken out of
4899 (set_src_needs_barrier): Likewise.
4900 (rtx_needs_barrier): For SET case, use these two functions. Rework
4901 PARALLEL case to handle all inputs before all outputs.
4902 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
4903 saw a label and no stop bit since then.
4904 (maybe_rotate, process_epilogue): Add prototypes.
4906 2001-03-28 Richard Henderson <rth@redhat.com>
4908 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
4909 not TARGET_TOC for special toc restore handling.
4910 * config/rs6000/rs6000.md (eh_return): Likewise.
4912 2001-03-28 Richard Henderson <rth@redhat.com>
4914 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
4915 current_function_calls_eh_return.
4916 (output_function_epilogue): Handle eh_return.
4917 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
4918 (EH_RETURN_DATA_REGNO): New.
4919 (EH_RETURN_STACKADJ_RTX): New.
4920 (EH_RETURN_HANDLER_RTX): New.
4921 * config/sparc/sparc.md (call/short branch peepholes): Check
4922 can_throw_internal instead of in_same_eh_region.
4924 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
4925 for eh_return data registers.
4926 (rs6000_emit_prologue): Save eh_return data registers.
4927 (rs6000_emit_epilogue): Force inline restores if eh_return.
4928 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
4929 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
4930 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
4931 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
4932 the target uses one.
4933 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
4934 (return_eh_si, return_eh_di): Remove.
4935 (eh_return): New, from corpse of eh_epilogue.
4936 (eh_set_lr_si, eh_set_lr_di): New.
4938 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
4939 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
4940 True for pic register if current_function_calls_eh_return.
4941 (ix86_expand_epilogue): Change "emit_return" argument into "style".
4942 Handle eh_return requirements.
4943 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
4944 (EH_RETURN_STACKADJ_RTX): New.
4945 * config/i386/i386.md (exception_receiver): Remove.
4946 (eh_return, eh_return_1): New.
4947 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4949 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
4950 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
4951 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
4952 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
4953 (EH_RETURN_DATA_REGNO): New.
4954 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
4955 * config/alpha/alpha.md (eh_epilogue): Remove.
4956 (exception_receiver): Use $26 for ldgp input.
4957 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4959 2001-03-28 Richard Henderson <rth@redhat.com>
4961 * except.c: Rewrite entirely for IA-64 ABI exception handling.
4962 * except.h: Likewise.
4964 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
4965 (LIB2ADDEHDEP): New.
4966 (LIB2FUNCS_EH): Remove.
4967 (LIB2ADD): Remove LIB2ADDEH.
4968 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
4969 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
4970 (crt{begin,end}[S].o): Likewise.
4971 (except.o): Update includes.
4972 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
4973 (libgcc2_c_dep): Use LIB2ADDEHDEP.
4975 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
4976 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
4977 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
4978 * builtins.c (expand_builtin): Implement it.
4979 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
4980 * c-common.c (c_common_nodes_and_builtins): Declare it.
4981 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
4982 * calls.c (libfunc_nothrow): Remove.
4983 (emit_library_call_value_1): Don't call it.
4984 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
4985 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
4986 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
4987 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
4988 (current_funcdef_number): Globalize.
4989 (output_call_frame_info): Emit frame data if an lsda is needed.
4990 Generate augmentation for personality routine. Don't play with
4992 (dwarf2out_begin_prologue): Record funcdef_number.
4993 * dwarf2out.h (current_funcdef_number): Declare.
4994 * expr.c (expand_expr): Update for except.h name changes.
4995 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
4996 * expr.h (LTI_throw, LTI_rethrow): Remove.
4997 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
4998 (LTI_eh_rtime_match): Remove.
4999 (LTI_unwind_resume, LTI_eh_personality): Add.
5000 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
5001 * final.c (final): Don't call check_exception_handler_labels,
5002 init_insn_eh_region, or free_insn_eh_region.
5003 (final_scan_insn): Always emit debug labels for
5004 NOTE_INSN_EH_REGION notes.
5005 * flags.h (flag_new_exceptions): Remove.
5006 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
5007 (record_active_eh_regions): Remove.
5008 (count_basic_blocks): Check all instructions for REG_EH_REGION.
5009 Use can_throw_internal.
5010 (find_basic_blocks_1): Likewise.
5011 (move_stray_eh_region_notes): Remove.
5012 (find_label_refs): No eh_return_stub_label.
5013 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
5014 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
5016 (delete_unreachable_blocks): Don't track deleted handlers.
5017 (flow_delete_block): Use maybe_remove_eh_handler.
5018 (delete_eh_regions): Remove.
5019 (merge_blocks): Don't check for eh region match.
5020 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
5021 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
5022 (init_propagate_block_info): Disable dead frame store optimization
5023 when current_function_calls_eh_return.
5024 (dump_bb): Don't print eh_beg, eh_end.
5025 * function.c (fixup_var_refs): No catch_clauses.
5026 (expand_function_end): Likewise. Call expand_eh_return before
5027 the return register use. Call sjlj_emit_function_exit_after.
5028 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
5029 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
5030 * ifcvt.c (dead_or_predicable): Remove eh region check.
5031 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
5032 Don't check for EH vs parameters.
5033 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
5034 (expand_inline_function): Call duplicate_eh_regions.
5035 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
5036 (copy_insn_notes): Remap REG_EH_REGION notes.
5037 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
5038 * integrate.h (struct inline_remap): Add local_return_label.
5039 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
5040 check_exception_handler_labels, nor exception_optimize.
5041 (find_cross_jump): No EH region check.
5042 * optabs.c (init_optabs): Update for changed eh libfuncs.
5043 * rtl.def (RESX): New.
5044 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
5045 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
5046 checks. Update for except.h name changes.
5047 (expand_cleanups): Likewise.
5048 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
5049 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
5050 (compile_file): Call init_eh before init_optabs. Don't
5051 output_exception_table here.
5052 (rest_of_compilation): Call convert_from_eh_region_ranges,
5053 convert_to_eh_region_ranges, output_function_exception_table.
5054 Don't emit_eh_context.
5055 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
5056 (EXC_PTR_EXPR): New.
5058 * md.texi (eh_epilogue): Remove.
5059 (eh_return): Document.
5060 * tm.texi (EH_RETURN_DATA_REGNO): Document.
5061 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
5063 * eh-common.h: Remove file.
5064 * frame-dwarf2.c, frame.c, frame.h: Remove files.
5065 * libgcc2.c (L_eh): Remove.
5067 * unwind-dw2-fde.c: New file, largely copied from frame.c.
5068 * unwind-dw2-fde.h: New file.
5069 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
5070 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
5071 * libgcc-std.ver: Update for eh symbols.
5073 2001-03-27 Richard Henderson <rth@redhat.com>
5075 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
5076 reduce false positives.
5077 (regmove_optimize): Disable if flag_non_call_exceptions.
5079 * stmt.c (expand_return): Remove always true predicate.
5080 (expand_decl_cleanup_no_eh): Remove dead code.
5082 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
5083 barrier code. Add a scheduling barrier if a non-call insn
5084 can throw internally.
5086 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
5087 Auto-inc addresses trap only if their base register does.
5089 * except.c (can_throw_internal): Rename from can_throw.
5090 * except.h, resource.c: Update references.
5092 * integrate.c (copy_insn_list): Use returnjump_p.
5093 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
5095 * function.h (struct function): Move all boolean valued fields
5096 to single bit fields at the end of the struct.
5098 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
5100 Rename asynchronous_exceptions to flag_non_call_exceptions.
5102 * gthr-single.h (UNUSED): New. Distinguish between how C
5103 and C++ mark unused function arguments. Use throughout.
5105 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
5106 value to target configuration header.
5107 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
5108 * config.in, configure: Rebuild.
5109 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
5110 configuration and target defines.
5111 (exceptions_via_longjmp): Remove.
5112 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
5113 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
5115 * except.h (flag_non_call_exceptions): Move ...
5116 * flags.h: ... here.
5118 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
5119 exceptions, put the note on the trapping instruction.
5121 * flags.h (flag_new_exceptions): Remove.
5122 * toplev.c: Don't set it.
5123 * final.c: Don't check it.
5124 * except.c: Provide stub definition.
5126 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
5127 (calculate_global_regs_live): Kill call-clobbered registers
5128 across exception edges.
5129 * reg-stack.c (convert_regs_1): Kill the entire target stack
5130 across non-call exception edges.
5132 * flow.c (cleanup_cfg): Take no argument.
5133 * output.h, sibcall.c, toplev.c: Update all calls.
5135 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5137 * configure.in: Don't check for bcopy.
5138 * configure, config.in: Regenerate.
5140 * system.h: Don't define or prototype bcopy, instead poison it.
5142 2001-03-27 Richard Henderson <rth@redhat.com>
5144 * function.c (expand_function_start): Set DECL_REGISTER on
5145 a pseudo used for DECL_RESULT.
5147 * rtl.h (LCT_NORETURN): New.
5148 * calls.c (emit_library_call_value_1): Handle it.
5150 2001-03-27 Stan Shebs <shebs@apple.com>
5152 * objc/objc-act.c (objc_init): Use dump_base_name.
5153 (gen_declaration): Clear the buffer arg.
5154 (gen_declaration_1): New function, body of gen_declaration.
5155 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
5156 (gen_method_decl): Ditto, plus always clear buffer arg.
5157 (error_with_ivar): Simplify.
5158 (warn_with_method): Ditto.
5159 (build_message_expr): Don't clear buffers.
5160 (dump_interface): Ditto.
5161 (objc_debug): Ditto.
5162 (build_keyword_selector): Clear the buffer by only zeroing
5164 (objc_implementation_context): Declare.
5165 (start_class): Warn about missing @end.
5166 (finish_objc): Ditto.
5168 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
5170 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
5172 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5174 * Makefile.in (SYSTEM_H): Define.
5175 Depend on $(SYSTEM_H), not system.h.
5177 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
5179 2001-03-27 Jim Wilson <wilson@redhat.com>
5181 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
5183 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
5184 (process_epilogue): New static function.
5185 (process_set): Call process_epilogue instead of emitting .restore
5187 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
5189 * flow.c (struct reg_cond_life_info): New fields orig_condition
5191 (init_propagate_block_info): Set new fields.
5192 (mark_regno_cond_dead): Set and use new fields.
5193 (flush_reg_cond_reg_1): Likewise.
5194 (and_reg_cond, case AND): Check for redundant AND conditions.
5195 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
5198 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
5200 * cppmacro.c (stringify_arg): Null terminate strings.
5202 2001-03-27 Zack Weinberg <zackw@stanford.edu>
5204 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
5205 inclusion style. xm-m68hc11.h no longer exists.
5206 * config/m68hc11/xm-m68hc11.h: Delete file.
5207 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
5209 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
5210 Don't define GCC_VERSION, N_, or PARAMS; don't include
5211 gansidecl.h or stdio.h. Define inhibit_libc here.
5212 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5213 Delete code conditioned on #if GCC_VERSION == 2095.
5215 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
5216 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5217 Delete code conditioned on #if GCC_VERSION == 2095.
5219 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5221 * system.h: Include symcat.h.
5222 (STRINGIFY): Don't define.
5224 * configure.in: Adjust comment.
5226 * builtins.c: Use STRINGX, not STRINGIFY.
5227 * gencheck.c: Likewise.
5228 * gengenrtl.c: Likewise.
5229 * protoize.c: Likewise.
5231 * cpplex.c: Don't include symcat.h.
5232 * cpplib.c: Likewise.
5234 * gansidecl.h (HAVE_STRINGIZE): Don't define.
5236 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5238 * c-typeck.c (digest_init): Fold init expression.
5240 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5242 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
5244 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5246 * except.c (eh_regs): Save results of build_pointer_type to a temp
5247 as FUNCTION_VALUE macro may evaluate its args multiple times.
5249 2001-03-26 Mark Mitchell <mark@codesourcery.com>
5251 * c-common.h (DECL_NUM_STMTS): New macro.
5252 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
5254 (pushdecl): Likewise.
5255 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
5256 * integrate.c (expand_inline_function): Don't check
5258 * print-tree.c (print_node): Don't print it.
5259 * toplev.c (rest_of_compilation): Don't try to inline when
5260 flag_no_inline is on.
5261 * tree.h (DECL_FRAME_SIZE): Remove.
5262 (tree_decl): Adjust accordingly.
5264 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5266 * combine.c (try_combine): Use memcpy, not bcopy.
5268 * genattrtab.c (expand_units): Likewise.
5270 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5272 * i386.md (push mem DI peep2): New.
5273 (mov 0, mov -1 peep2): Handle 64bit.
5274 (lea to arithmetics peep2): Handle 64bit leas.
5275 (rsp arithmetics to push/pop peep2s): New.
5277 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
5279 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5281 * i386.c (struct machine_function): Add save_varrargs_registers.
5282 (ix86_save_varrargs_registers): New macro.
5283 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
5284 (ix86_expand_prologue): Likewise.
5285 (ix86_emit_epilogue_esp_adjustement): Likewise.
5286 (ix86_expand_epilogue): Likewise.
5287 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
5288 (pro_epilogue_adjust_stack_1): New insn.
5289 (pro_epilogue_adjust_stack_rex64): Likewise.
5290 * i386.h (MASK_NO_RED_ZONE): New constant.
5291 (TARGET_RED_ZONE): New macro.
5292 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
5293 (RED_ZONE_SIZE): New constant.
5294 (RED_ZONE_RESERVE): New constant.
5296 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5298 * toplev.c (set_float_handler): Use memcpy, not bcopy.
5300 2001-03-25 Kazu Hirata <kazu@hxi.com>
5302 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
5305 (umodhi3): Likewise.
5308 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5310 * mkconfig.sh (DEFINES): Handle entries with '='.
5312 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
5313 Set xm_defines to MACRO=value instead.
5315 * i370/xm-mvs.h: Delete.
5317 * ns32k/xm-pc532-min.h: Likewise.
5319 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5321 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
5323 use ix86_expand_binary_operator
5324 (?sh??i_?): Disable for 64bit.
5325 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
5326 * i386.c (shiftdi_operand): New predicate.
5328 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
5329 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
5330 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
5331 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
5332 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
5333 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
5334 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
5335 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
5336 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
5337 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
5338 (rotldi3, rotrdi3): New expanders.
5340 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5342 * i386.md (movstrsi): Move offline.
5344 (strmovdi_rex64): New.
5345 (strmov?i): Accept 64bit.
5346 (strmov?i_rex64): New.
5347 (strmov?i_rex_1): New.
5348 (strmov?i_1): Disable for 64bit.
5349 (rep_mov?i_rex64): New.
5350 (rep_mov?i): Disable for 64bit.
5351 (clrstrsi): Move offline.
5352 (strset?i_rex64): New.
5353 (strset?i: Accept 64bit.
5354 (rep_stos?i): Disable for 64bit.
5355 (rep_stos?i_rex64): New.
5356 (strset?i_rex_1): New.
5357 (strset?i_1): Disable for 64bit.
5358 (cmpstrsi): Accept 64bit.
5359 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
5360 (cmpstrqi_nz_rex_1): New.
5361 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
5362 (strlensi): Move offline.
5364 (strlenqi_1): Disable for 64bit; fix constraints.
5365 (strlenqi_rex_1): New.
5366 * i386.c (ix86_adjust_counter): New static function.
5367 (ix86_zero_extend_to_Pmode): Likewise.
5368 (ix86_expand_aligntest): Likweise.
5369 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
5370 (ix86_expand_movstr): New global function.
5371 (ix86_expand_clrstr): New global function.
5372 (ix86_expand_strlen): New global function.
5373 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
5374 ix86_expand_strlen): Declare.
5375 (ix86_expand_strlensi_unroll_1): Delete.
5377 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
5379 * i386.md (cmpdi): Fix operand predicates.
5380 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
5381 cmpdi_1_insn_rex64): New patterns.
5382 (adddi3): Turn to expander.
5383 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
5384 (addsi3_carry_zext): New pattern.
5385 (adddi_?_rex64): New patterns and splitters.
5386 (addsi_?_zext): New patterns.
5387 (subsi3_carry_zext): New pattern.
5388 (subdi_?_rex64): New patterns and splitters.
5389 (iorsi_?_zext): New patterns.
5390 (iordi_?_rex64): New patterns and splitters.
5391 (iorsi_?_zext): New patterns.
5392 (iorsi_?_zext_imm): New patterns.
5393 (xorsi_?_zext): New patterns.
5394 (xordi_?_rex64): New patterns and splitters.
5395 (xorsi_?_zext): New patterns.
5396 (negdi*): New patterns.
5397 (one_cmpldi*): Likewise.
5398 (one_cmplsi*_zext, negsi*_zext): Likewise.
5399 (testqi_ext_3_rex64): New pattern.
5401 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
5403 * i386-protos.h (ix86_split_long_move): Return void.
5404 * i386.c (ix86_split_to_parts): Handle 64bit target.
5405 (ix86_split_long_move): Likewise.
5406 * i386.md (all calls to ix86_split_long_move): Update.
5408 2001-03-23 Richard Henderson <rth@redhat.com>
5410 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
5411 to avoid shadowing arguments.
5413 2001-03-23 Jakub Jelinek <jakub@redhat.com>
5415 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
5416 to variable names where DECL_NAME is different from
5417 DECL_ASSEMBLER_NAME.
5419 2001-03-23 Jim Wilson <wilson@redhat.com>
5421 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
5422 (assemble_alias): Call make_decl_rtl.
5424 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
5426 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
5428 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
5430 * extend.texi: Document the "java_interface" attribute.
5432 2001-03-22 Zack Weinberg <zackw@stanford.edu>
5434 * mkconfig.sh: Use a subshell with redirected stdout,
5435 instead of closing stdout and confusing commands that run
5436 afterward. Throw away output of cmp.
5438 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
5440 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
5442 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
5444 * i386.md (zero_extendsidi2_32): Break out from ...
5445 (zero_extendsidi2): ... here ; turn to expander.
5446 (zero_extendsidi2_rex64): New.
5447 (extendsidi2_32): Break out from ...
5448 (extendsidi2): ... here ; turn to expander.
5449 (extendsidi2_rex64): New.
5450 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
5451 (trunc?f?f splitters): Add 64bit versions.
5453 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
5455 * i386.md (pushsi, pushsi2_prologue): Disable.
5456 (pushsi2_rex64): New.
5457 (movabs?i_1_rex64, movabs?i_2_rex64): New.
5458 (movqi_ext_1): Disable for 64bit.
5459 (movqi_ext_1_rex64): New.
5460 (pushdi2_rex64): New pattern, peep2s and splitter.
5461 (pushdi2_prologue_rex64): New pattern.
5462 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
5464 (movdi splitters): Disable for 64bit.
5465 (movdi_1_rex64): New pattern, peep2s and splitters.
5466 (swapdi): New pattern.
5467 (pushsf): Disable for 64bit.
5468 (pushsf_rex64): New pattern and splitter.
5469 (pushdf_nointeger): Disable for 64bit.
5470 (pushdf_integer): Handle the 64bit case.
5471 (pushtf): Likewise; update splitters.
5473 2001-03-22 Richard Henderson <rth@redhat.com>
5475 * mkconfig.sh: Include insn-flags.h.
5476 * Makefile.in (CONFIG_H): Include insn-flags.h.
5477 (lots of objects): Remove insn-codes.h and insn-flags.h.
5479 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
5480 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
5481 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
5482 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
5483 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
5484 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
5485 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
5486 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
5487 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
5488 v850/v850.c, vax/vax.c:
5489 Don't include insn-flags.h.
5491 * diagnostic.c, expr.h, reload.c, toplev.c:
5492 Don't include insn-codes.h.
5494 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
5495 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
5496 c4x/c4x.c, i960/i960.c, mips/mips.c:
5497 Don't include insn-codes.h or insn-flags.h.
5499 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
5500 or insn-flags.h in the generated code.
5501 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
5502 (main): Forward declare struct rtx_def.
5504 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
5506 * invoke.texi (-ffast-math): Remove duplicate line about
5509 * gcc.texi: Remove more obsolete documentation of bugs and
5510 installation problems.
5512 2001-03-21 Kazu Hirata <kazu@hxi.com>
5514 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
5517 2001-03-20 Jason Merrill <jason@redhat.com>
5519 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
5521 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
5522 * varasm.c (CHKR_PREFIX): Likewise.
5524 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5526 * gcse.c (hash_scan_set): An expression is not anticipatible if it
5527 is part of a multi-SET insn.
5529 * cse.c (find_comparison_args): Remove previous change.
5530 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
5533 * config/i386/i386.md (conditional_trap): Remove warning.
5535 * recog.c (push_operand): Fix error in last change that caused
5536 undefined symbol on many targets.
5538 * sdbout.c: #include ggc.h.
5539 (sdbout_init): Move to end of file.
5540 Call ggc_add_tree_root for anonymous_types.
5541 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
5542 (sdbout_one_type): Use DECL_NAME for field name.
5543 * Makefile.in (sdbout.o): Show includes ggc.h.
5545 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
5547 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
5548 (override_options): Use properlimits for preferred_stack_boundary.
5549 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
5551 (ext_register_operand): Accept DImode.
5552 (load_pic_register): Abort on 64bit.
5553 (gen_push): Use Pmode instead of SImode.
5554 (ix86_save_reg): Pic reg is never used on 64bit.
5555 (ix86_expand_prologue): Likewise.
5556 (ix86_emit_save_regs): Use Pmode instead of SImode.
5557 (legitimate_address_p): Check displacement for 64bit.
5558 (print_operand): Avoid outputting of (%rip) on 64bit.
5559 (print_operand_address): Output (%rip) where possible.
5560 (split_di): Abort on 64bit registers.
5561 (ix86_expand_branch): DImode comparison is simple for x86_64.
5562 (memory_address_length): Recognize memory addresses formed using
5564 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
5566 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
5568 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
5570 * recog.c (push_operand): Recognize new format of push instructions.
5572 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
5574 * i386.md (pushqi1): New.
5575 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
5576 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5577 x86_64_immediate_operand, x86_64_immediate_operand,
5578 x86_64_zext_immediate_operand): Declare.
5579 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
5580 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5581 x86_64_immediate_operand, x86_64_immediate_operand,
5582 x86_64_zext_immediate_operand): define.
5583 * i386.h (PREDICATE_CODES): Add new predicates.
5585 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
5587 * i386.md (pophi1, popqi1, pushqi1): Remove.
5589 * expr.c (emit_single_push_insn): New function.
5590 (move_by_pieces): Accept NULL as destination for push instructions.
5591 (gen_push_operand): Kill.
5592 (emit_push_insn): Pass NULL when pushing; avoid updating of
5593 stack_pointer_delta.
5594 * expr.h (gen_push_operand): Kill.
5596 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5598 * rtl.texi (COMPARE): Clarify documentation and reference section
5601 2001-03-20 Stan Shebs <shebs@apple.com>
5603 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
5604 (get_object_reference): Ditto.
5605 (error_with_ivar): Use error_with_file_and_line.
5606 (warn_with_method): Use warning_with_file_and_line.
5608 2001-03-20 Tom Tromey <tromey@redhat.com>
5610 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
5612 2001-03-20 Mark Mitchell <mark@codesourcery.com>
5614 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
5615 variables that are TREE_PUBLIC, even if not TREE_STATIC.
5617 2001-03-20 DJ Delorie <dj@redhat.com>
5619 * Makefile.in (install-libgcc): Pass complete list of variables.
5620 (install-multilib): Ditto.
5622 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5624 * config/i386/cygwin.h: Declare ctor_section, dtor_section
5625 drectve_section, switch_to_section.
5627 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
5628 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
5629 i386_pe_mark_dllimport.
5631 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5633 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
5634 functions i386_pe_*.
5636 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
5637 i386_pe_* functions with char * arguments.
5639 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
5641 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
5643 (movsi_ie): Introduce fpul store.
5645 2001-03-20 Alan Modra <alan@linuxcare.com.au>
5647 * Makefile.in (OBJS): Remove hashtab.o.
5649 2001-03-19 Stan Shebs <shebs@apple.com>
5651 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
5652 * c-lang.c (maybe_objc_method_name): Ditto.
5653 * c-tree.h (maybe_objc_method_name): Remove decl.
5655 2001-03-19 Tom Tromey <tromey@redhat.com>
5657 * gcc.c (init_gcc_specs): Fix comment.
5659 2001-03-19 Mark Mitchell <mark@codesourcery.com>
5661 Compute DECL_ASSEMBLER_NAME lazily.
5662 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
5663 (DECL_ASSEMBLER_NAME_SET_P): New macro.
5664 (SET_DECL_ASSEMBLER_NAME): Likewise.
5665 (COPY_DECL_ASSEMBLER_NAME): Likewise.
5666 (set_decl_assembler_name): Declare.
5667 (lang_set_decl_assembler_name): Likewise.
5668 * tree.c (lang_set_decl_assembler_name): New variab.e
5669 (set_decl_assembler_name): New function.
5670 (init_obstacks): Set lang_set_decl_assembler_name.
5671 (build_decl): Don't set DECL_ASSEMBLER_NAME.
5672 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
5673 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
5674 where it's not necessary.
5675 (builtin_function): Likewise.
5676 (finish_decl): Likewise.
5677 * dbxout.c (dbxout_type_methods): Likewise.
5678 * ggc-common.c (ggc_mark_trees): Likewise.
5679 * profile.c (output_func_start_profiler): Likewise.
5680 * varasm.c (make_decl_rtl): Likewise.
5682 * cse.c (find_comparison_args): Update documentation. Fix
5683 mishandling of COMPARE operations.
5685 * tree.def (ABS_EXPR): Add documentation.
5686 * fold-const.c (fold): Improve folding of ABS_EXPRs.
5688 2001-03-19 Zack Weinberg <zackw@stanford.edu>
5690 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
5692 2001-03-19 Jakub Jelinek <jakub@redhat.com>
5694 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
5695 Remove ia32 linux PIC kludge and move it...
5696 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
5698 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
5700 * i386.md (absdf2 expander): Fix 64bit case.
5702 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
5704 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
5706 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
5708 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
5710 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5712 * README.X11: Remove obsolete file.
5714 2001-03-18 Anthony Green <green@redhat.com>
5716 * config/pj/pj.h: Remove some trailing commas.
5717 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
5719 2001-03-18 Richard Henderson <rth@redhat.com>
5721 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
5722 * calls.c: ... here.
5723 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
5724 defaults for them here.
5726 2001-03-17 Anthony Green <green@redhat.com>
5728 * config/pj/lib1funcs.S: Fix broken comment.
5729 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
5732 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
5734 * gcc.texi: Remove obsolete information relating to build and
5735 installation problems with enquire or the Pyramid C compiler.
5737 2001-03-17 Richard Henderson <rth@redhat.com>
5739 * dwarf2out.c (queue_reg_save): New.
5740 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
5741 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
5743 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
5744 (cfa, cfa_store, cfa_temp): Make static.
5745 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
5747 2001-03-17 Richard Henderson <rth@redhat.com>
5749 * integrate.h (struct inline_remap): Add local_return_label.
5750 * integrate.c (expand_inline_function): Initialize it and emit
5751 it after copy_insn_notes.
5752 (copy_insn_list): Don't store local_return_label here.
5753 (copy_insn_notes): New function split out from copy_insn_list.
5755 2001-03-17 Richard Henderson <rth@redhat.com>
5757 * dwarf2out.c (lookup_filename): Emit .file if the assembler
5758 is generating .debug_line.
5759 (dwarf2out_init): Add main_input_filename to the file table first.
5760 * configure.in (as_dwarf2_debug_line): Test with file number 1
5761 instead of file number 0.
5763 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5765 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
5766 (gen_rtx_combine): Deleted; all references changed as appropriate.
5767 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
5769 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
5771 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
5773 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
5776 2001-03-16 Jim Wilson <wilson@redhat.com>
5778 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
5779 then set it to LOC_REG (79) instead of aborting.
5781 2001-03-16 Phil Edwards <pme@sources.redhat.com>
5783 * gccbug.in: Remove high priority.
5785 2001-03-16 Richard Henerson <rth@redhat.com>
5787 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
5788 output with a space instead of deleting it.
5789 * configure: Regenerate.
5791 2001-03-16 Zack Weinberg <zackw@stanford.edu>
5793 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
5794 handles the gory details of converting an object file into
5795 something that's safe to grep.
5796 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5797 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
5798 newlines at either end of the string we're looking for.
5799 Make 'checking ...' message less stilted.
5800 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
5801 ARM in-memory layout and its hypothetical converse. Don't
5802 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
5803 HOST_WORDS_BIG_ENDIAN.
5805 * configure.in: Adjust for renamed macro. Move
5806 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
5807 * configure, config.in: Regenerate.
5809 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5811 * fixinc/Makefile.in: Set SHELL.
5813 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5815 * fixinc/fixincl.c (fix_with_system): Quote file names before
5816 passing them to shell.
5818 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5820 * Makefile.in: Use fix-header$(build_exeext) instead
5823 2001-03-16 Richard Henderson <rth@redhat.com>
5825 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
5826 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5827 (size_of_line_prolog): Remove.
5828 (output_line_info): Compute prologue size via label difference.
5829 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
5831 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
5832 assembler error when redefining file numbers.
5833 * config.in, configure: Rebuild.
5835 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
5836 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
5837 (dw2_asm_output_delta_uleb128): Likewise.
5838 (dw2_asm_output_delta_sleb128): Similarly.
5839 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
5841 2001-03-16 Michael Meissner <meissner@redhat.com>
5843 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
5845 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
5847 (BITMASK_LOWER16): Replacement for 0x0000ffff.
5849 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
5850 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
5851 being unsigned in ISO C and signed in traditional.
5852 (expand_prologue): Ditto.
5853 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
5855 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
5857 (divsi3,divdi3): Ditto.
5858 (modsi3,moddi3): Ditto.
5859 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
5860 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
5861 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
5864 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
5866 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
5867 SSE based conditional moves on LTGT/UNEQ conditions;
5868 Canonicalize EQ to NE.
5869 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
5870 (sse_mov?fcc_ne): New.
5872 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
5874 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5876 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
5877 register may be dead.
5879 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
5881 * Makefile.in (hash.o): Depend on CONFIG_H.
5883 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5885 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
5887 2001-03-15 Richard Henderson <rth@redhat.com>
5889 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
5890 (ASM_OUTPUT_DWARF_PCREL): New.
5891 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
5893 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5895 * cppfiles.c (stack_include_file): Use MAX of sysp.
5897 2001-03-15 Steve Ellcey <sje@cup.hp.com>
5899 * config.gcc (ia64*-*-hpux*): New case.
5900 * config/ia64/hpux.h: New file for HP-UX support.
5901 * config/ia64/t-hpux: New file for HP-UX support.
5903 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
5905 * fixinc/inclhack.def (irix_stdio_va_list): New.
5906 * fixinc/fixincl.x: Rebuilt.
5908 2001-03-15 Richard Henderson <rth@redhat.com>
5910 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
5911 if provided by the target.
5912 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
5913 (dw2_asm_output_addr): New.
5914 * dwarf2asm.h (dw2_asm_output_addr): Declare.
5915 * dwarf2out.c (output_cfi): Use it for program addresses.
5916 (output_call_frame_info, output_die): Likewise.
5917 (output_aranges, output_line_info): Likewise.
5919 2001-03-15 Bruce Korb <bkorb@gnu.org>
5921 * gcc.c(main): make more rigorous
5922 * collect2.c(main): guard against ignoring SIGCHLD
5923 * protoize.c(main): ditto
5924 * gcc/fixinc/fixincl.c(initialize): ditto
5926 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5928 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
5929 (sdbout_parms): Likewise.
5931 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
5933 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
5934 "widen" a destination that is already wider than a word. Also do
5935 not widen if LOAD_EXTEND_OP is NIL for the given mode.
5937 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5939 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
5941 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
5943 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
5945 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
5947 * i960.h (i960_maxbitalignment,
5948 i960_last_maxbitalignment): Declare.
5949 * i960.c (i960_maxbitalignment,
5950 i960_last_maxbitalignment): Make global.
5951 (process_pragma): Delete.
5952 (i960_pr_align, i960_pr_noalign): Move from here ...
5953 * i960-c.c: ... to this new file.
5954 * t-960bare (i960-c.o): New rule.
5955 * t-vxworks960 (i960-c.o): Likewise.
5956 * config.gcc (i960-*-*): Define c_target_objs and
5959 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5961 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
5962 without adding in rtx code and mode.
5964 * alias.c (init_alias_analysis): Don't use any rtx whose value
5965 varies as a known value.
5966 Delete a superfluous test.
5968 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
5970 (ia64_sched_reorder): Call maybe_rotate; also rotate after
5971 scheduling a stop bit.
5972 (ia64_emit_nops): Correctly handle ASMs.
5974 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5976 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
5978 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
5980 * cpp.texi: Update documentation for -include and -imacros.
5981 * cppfiles.c (struct include_file): Remove "defined" memeber.
5982 (find_or_create_entry): Make a copy of the file name, and
5984 (open_file): Update to ensure we use the simplified filename.
5985 (stack_include_file): Don't set search_from.
5986 (cpp_included): Don't simplify the path name here.
5987 (find_include_file): New prototype. Call search_from to
5988 get the start of the "" include chain. Don't simplify the
5990 (_cpp_execute_include): New prototype. Move diagnostics to
5991 do_include_common. Update.
5992 (_cpp_pop_file_buffer): Don't set defined.
5993 (search_from): New prototype. Use the preprocessor's cwd
5994 for files included from the command line.
5995 (read_name_map): Don't simplify the pathname here.
5996 * cpphash.h (enum include_type): New.
5997 (struct buffer): Delete search from. New search_cached.
5998 (_cpp_execute_include): Update prototype.
5999 * cppinit.c (do_includes): Use _cpp_execute_include.
6000 * cpplib.c (do_include_common): New function.
6001 (do_include, do_include_next, do_import): Use it.
6003 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6005 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
6006 contents of the RTL, to determine the name of the object.
6008 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6010 * tree.h (DECL_RTL): Allocate RTL lazily.
6011 (SET_DECL_RTL): New macro.
6012 (DECL_RTL_SET_P): Likewise.
6013 (COPY_DECL_RTL): Likewise.
6014 (DECL_RTL_IF_SET): Likewise.
6015 * varasm.c (make_decl_rtl): Add assertions about the kind of
6016 declaration we are processing.
6017 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
6018 (start_decl): Likewise.
6019 (finish_decl): Likewise.
6020 * c-semantics.c (emit_local_var): Likewise.
6021 * calls.c (expand_call): Likewise.
6022 * dbxout.c (dbxout_symbol): Likewise.
6023 * emit-rtl.c (unshare_all_rtl): Likewise.
6024 (unshare_all_decls): Likewise.
6025 (reset_used_decls): Likewise.
6026 * expr.c (store_constructor): Likewise.
6027 (safe_from_p): Likewise.
6028 (expand_expr): Likewise.
6029 * function.c (put_var_into_stack): Likewise.
6030 (instantiate_decls_1): Likewise.
6031 (assign_parms): Likewise.
6032 (expand_function_start): Likewise.
6033 (expand_function_end): Likewise.
6034 * ggc-common.c (gcc_mark_trees): Likewise.
6035 * integrate.c (function_cannot_inline_p): Likewise.
6036 (copy_decl_for_inlining): Likewise.
6037 (expand_inline_function): Likewise.
6038 (integrate_parm_decls): Likewise.
6039 (integrate_decl_tree): Likewise.
6040 * print-tree.c (print_node): Likewise.
6041 * reg-stack.c (stack_result): Likewise.
6042 * stmt.c (label_rtx): Likewise.
6043 (expand_return): Likewise.
6044 (expand_decl): Likewise.
6045 (expand_decl_cleanup): Likewise.
6046 (expand_anon_union_decl): Likewise.
6047 * toplev.c (check_global_declarations): Likewise.
6048 (rest_of_decl_compilation): Likewise.
6049 * tree.c (simple_cst_equal): Likewise.
6050 * objc/objc-act.c (generate_static_references): Likewise.
6052 2001-03-14 Zack Weinberg <zackw@stanford.edu>
6054 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
6055 gcc_AC_C_FLOAT_FORMAT): New macros.
6056 * configure.in: Add AC_PROG_CPP after CC tests;
6057 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
6058 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
6059 * configure, config.in: Regenerate.
6061 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
6062 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6063 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6064 config/i370/xm-linux.h, config/i370/xm-oe.h,
6065 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6066 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
6067 config/pa/xm-linux.h, config/pa/xm-pa.h,
6068 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
6069 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
6070 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
6071 config/we32k/xm-we32k.h: Delete.
6073 * config/i370/xm-mvs.h, config/m88k/m88k.h,
6074 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6075 config/vax/xm-vms.h: Don't define any of:
6076 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
6078 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
6080 * config.gcc: Remove references to deleted files.
6081 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
6082 FATAL_EXIT_CODE, which is the same between oe and mvs).
6084 2001-03-14 DJ Delorie <dj@redhat.com>
6085 Vladimir Makarov <vmakarov@redhat.com>
6087 * config/i960/i960.c (i960_function_prologue): Compute size of
6088 frame according to number of registers actually saved there.
6090 2001-03-14 Richard Henderson <rth@redhat.com>
6092 * expr.c (emit_move_insn_1): Fix else if around #endif.
6094 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
6097 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
6100 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
6102 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
6103 (override_options): Parse cmodel string.
6104 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
6105 * i386.h (TARGET_OPTIONS): Add "cmodel".
6106 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
6108 (ix86_cmodel_string, ix86_cmodel): Declare.
6110 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
6113 * i386.h (GENERAL_REG_P): Add missing REG_P.
6115 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
6117 * configure.in: Use $gcc_cv_as instead of $as.
6118 * configure: Regenerated.
6120 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
6122 * cppfiles.c (stack_include_file): Only increase the include
6123 count if we actually process the file properly, as opposed
6124 to treating it as length zero. Only call read_include_file
6125 if not DO_NOT_REREAD. Handle the -H include file output
6127 (read_include_file): Remove now redundant DO_NOT_REREAD check.
6128 (cpp_included, find_include_file): Simplify pathnames after
6129 remapping them. If remapping, don't use the remapped file
6130 name's buffer as our scratch buffer.
6131 (cpp_pop_file_buffer): Replace the multiple include macro
6132 only if it isn't yet set.
6133 (read_name_map): Simplify remapped names when reading in.
6134 (remap_filename): Move code to code path that uses it.
6135 (_cpp_simplify_pathname): Return the input pointer.
6136 * cpphash.h (_cpp_simplify_pathname): Update prototype.
6138 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6140 * expr.c (expand_expr): Revove bogus conditional.
6142 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
6144 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
6146 2001-03-14 Jakub Jelinek <jakub@redhat.com>
6148 * reg-stack.c (stack_result): Unconditionally use
6149 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
6151 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
6153 * expr.c (emit_move_insn_1): Split push of complex value when
6154 no suitable push instruction exist.
6156 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
6157 instead of QI_REG_P.
6159 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6161 * alias.c (handled_component_p, can_address_p): New functions.
6162 (get_alias_set): Use them.
6164 2001-03-13 Jim Wilson <wilson@redhat.com>
6166 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
6167 from 80 in try_locals code.
6168 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
6170 2001-03-13 Zack Weinberg <zackw@stanford.edu>
6172 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
6173 gcc_AC_C_LONG_LONG): New.
6174 * configure.in: Use them. Probe the size of short, int, long,
6175 and long long/__int64 if we have them. Move all the AC_C_*
6176 checks together, except gcc_AC_C_CHAR_BIT which has to go
6177 after AC_CHECK_HEADERS(limits.h).
6178 Take hwint.h out of host_xm_file and build_xm_file.
6180 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
6181 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
6182 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
6183 Move the HOST_WIDEST_INT setup logic here from system.h.
6184 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
6186 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
6187 is now handled by hwint.h.
6189 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
6190 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
6191 config/ia64/xm-ia64.h: Don't define any of:
6192 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
6193 HOST_BITS_PER_LONGLONG.
6195 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
6196 config/h8300/xm-h8300.h, config/mips/iris6.h,
6197 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
6198 config/sparc/xm-sp64.h: Delete.
6199 * config.gcc: Remove references to deleted files.
6201 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
6202 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
6203 * config/i370/xm-linux.h: Clarify floating-point situation in
6206 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
6208 * cppfiles.c (NO_INCLUDE_PATH): New macro.
6209 (find_include_file): Decide here which part of the include
6210 chain to start the search. Complain about an empty include
6211 chain in all cases apart from an abolsute file name.
6212 (_cpp_execute_include): Don't choose the search chain here.
6213 Don't call handle_missing_include in the case of an empty
6215 (_cpp_compare_file_date): Don't choose the search chain here.
6216 * cpplib.c (do_include_next): Move the in-main-file diagnostic
6217 here from _cpp_execute_include. Behave like #include if
6218 we're in the main file.
6220 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6222 * system.h (malloc, realloc, calloc, strdup): Only poison these
6223 tokens when IN_GCC is defined.
6225 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
6227 * i386.md (abs?f expander): Support SSE case.
6228 (abd?f_if): Add new "USE"; add splitters.
6230 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6232 * cpp.texi (poison): Explain the macro expansion exception.
6234 2001-03-13 Jakub Jelinek <jakub@redhat.com>
6236 * expr.c (store_expr): Add dont_store_target. If temp is already in
6237 target before copying to reg, don't store it into target again.
6239 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6241 * cppinternals.texi: Update for file handling.
6243 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6245 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
6246 2001-02-24 which broke building the Java library.
6247 * function.c (identify_blocks): Likewise.
6248 (all_blocks): Likewise.
6249 * integrate.c (integrate_decl_tree): Likewise.
6250 * print-tree.c (print_node): Likewise.
6251 * tree.h (BLOCK_NUMBER): Likewise.
6252 (struct tree_block): Likewise.
6254 2001-03-12 David Edelsohn <edelsohn@gnu.org>
6256 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
6257 __WCHAR_TYPE__ definition.
6258 (WCHAR_TYPE_SIZE): #undef before #define.
6260 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6262 * cppfiles.c: Update comments.
6263 (destroy_include_file_node): Rename destroy_node.
6264 (find_or_create_entry): New function.
6265 (open_file, _cpp_fake_include): Use it.
6266 (handle_missing_header): New function, broken out of
6267 _cpp_execute include. Don't segfault if there is no
6268 system or quoted path.
6269 (_cpp_execute_include): Use handle_missing_header.
6271 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6273 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
6274 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
6276 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6278 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
6279 unless anti_dependence says they are.
6280 * alias.c (objects_must_conflict): If neither has a type specified,
6283 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6284 David Billinghurst <David.Billinghurst@riotinto.com>
6286 * config/mips/iris5.h: Change WCHAR_TYPE to int.
6288 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
6290 * i386.md (trunctfdf2_2): Rename missnamed pattern.
6291 (*_one_bit): Remove type on the match_operand in attributes.
6293 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
6295 * i386.c: Commit forgotten hunk in previous patch.
6296 (regclass_map): Add extended registers.
6297 (dbx_register_map): Add missing frame register.
6299 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
6301 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
6303 * i386.md (x86_sahf_1): Disable for 64bit.
6304 (popsi*, pophi*): Likewise.
6305 (pushqi, pushhi): Likewise.
6306 (movdi, pushdi): Likewise.
6307 (zero extend DImode splitter): Likewise.
6308 (adddi, minusdi splitter): Likewise.
6309 (umulsidi): Likewise.
6311 (mulsidi): Disable for 64bit
6312 (lshift:DI/ashift:DI): Disable for 64bit.
6313 (loop patterns): Likewise.
6314 (call_pop, call_value_pop expanders and patterns): Likewise.
6315 (prologue_get_pc): Likewise.
6317 (fcmovDI pattern and splitter): Likewise.
6318 (movdfcc_1_rex64): New.
6320 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
6322 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
6323 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
6324 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
6325 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
6326 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
6327 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
6328 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
6329 (PUSH_ROUNDING): x86_64 rounds to 64bits.
6330 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
6331 (REGPARM_MAX): Set to 6 for x86_64.
6332 (SSE_REGPARM_MAX): Set to 16 for x86_64.
6333 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
6336 * (patterns that does use upper halves): Update constraints
6337 'q' to 'Q' and 'r' to 'R'.
6338 (cmpqi_ext_1): Disable for 64bit.
6339 (cmpqi_ext_3_insn): Likewise.
6340 (movqi_extzv_1): Likewsie.
6341 (addqi_ext_1): Liekwsie
6342 (testqi_ext_1): Liekwsie
6343 (andqi_ext_1): Liekwsie
6344 (xorqi_ext_1): Liekwsie
6345 (cmpqi_ext_1_rex64): New.
6346 (cmpqi_ext_3_insn_rex64): Likewise.
6347 (movqi_extzv_1_rex64): Likewsie.
6348 (addqi_ext_1_rex64): Liekwsie
6349 (testqi_ext_1_rex64): Liekwsie
6350 (andqi_ext_1_rex64): Liekwsie
6351 (xorqi_ext_1_rex64): Liekwsie
6353 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6355 * configure.in: Move check for unsigned enumerated bitfields
6356 to macro in aclocal.m4. Disable it for now.
6357 * configure, config.in: Regenerate.
6358 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
6359 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
6360 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
6361 kind above its first use.
6363 * config/xm-interix.h, config/alpha/xm-alpha.h,
6364 config/i370/xm-linux.h, config/i386/xm-beos.h,
6365 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
6366 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6367 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
6368 Don't define ONLY_INT_FIELDS under any circumstances.
6370 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
6372 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6373 config/sparc/xm-sysv4.h: Delete - now identical with some
6375 * config.gcc (hppa targets): Replace xm-pahpux.h and
6376 xm-papro.h with implicit xm-pa.h.
6377 (sparc targets): Replace xm-sysv4.h with implicit or explicit
6380 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
6382 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
6383 before reload_cse_noop_set_p.
6385 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6387 * config.gcc: Where xm-host.h used to include another
6388 xm-host.h, list the nested header directly in xm_file. Remove
6389 references to deleted files. Can now use sparc/xm-sp64.h for
6392 * config/xm-linux.h, config/arm/xm-linux.h,
6393 config/i386/xm-dos.h, config/i386/xm-gnu.h,
6394 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
6395 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
6396 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
6397 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
6400 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
6401 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
6402 bother to wrap #undef in #ifdef.
6403 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
6404 Don't include xm-linux.h.
6405 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
6407 * configure.in: Wrap regexps using [] in changequote block.
6408 Use expr : not echo | grep. Simplify regexps.
6409 * configure: Regenerate.
6411 56 xm-files remain, 22 xm-arch.
6413 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6415 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
6416 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6417 (local_index, local_rindex): Delete, use strchr/strrchr instead.
6418 (copy_object): Fix format specifier vs argument mismatch.
6420 * mips-tdump.c: Make local functions static.
6421 (rindex): Don't #undef.
6422 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6423 (fatal, fancy_abort): Delete.
6424 (read_seek): Avoid signed/unsigned compare.
6426 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6428 * combine.c (try_combine): Fix error in change to try original
6430 (gen_rtx_combine): Do same as gen_rtx for now.
6432 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6434 * configure.in: AC_SUBST xm_defines.
6435 * configure: Regenerate.
6436 * Makefile.in: Set DEFINES=$(xm_defines) when building
6439 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
6441 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
6442 (cpp_included, find_include_file): Update.
6443 (_cpp_compare_file_date): Make else unconditional.
6445 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
6447 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
6449 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6451 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
6452 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
6454 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
6456 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
6457 if it's a record type.
6459 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
6461 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
6462 mingw includes slightly.
6464 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6466 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
6467 #undef token before poisoning it.
6469 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6471 * alpha.c (check_float_value): Use memcpy, not bcopy.
6473 * m32r.c (m32r_sched_reorder): Likewise.
6475 * vax.c (check_float_value): Likewise.
6477 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6479 * toplev.c (file_name_nondirectory): Remove.
6480 * toplev.h: Similarly.
6481 * dwarf2out.c (compute_section_prefix): Use lbasename instead
6482 of file_name_nondirectory.
6484 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6486 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
6487 * mips-tfile.c: Don't #undef rindex; not used.
6489 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
6491 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
6492 (dbx64_register_map): Declare.
6493 (RETURN_ADDR_RTX): Fix for 64bit.
6494 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
6495 (INCOMING_FRAME_SP_OFFSET): Set to 8.
6496 * i386.c (dbx64_register_map): New global array.
6497 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
6498 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
6501 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6503 * cppfiles.c (search_from): Use lbasename.
6504 * mkdeps.c (deps_add_default_target): Use lbasename.
6506 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6508 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
6509 xcalloc in lieu of malloc, realloc & calloc.
6511 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
6513 * gengenrtl.c (xmalloc): Likewise.
6515 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
6516 really_call_* memory allocation routines.
6518 * stmt.c (check_for_full_enumeration_handling): Use
6519 really_call_calloc, not calloc.
6521 * system.h (really_call_malloc, really_call_calloc,
6522 really_call_realloc): Define.
6523 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
6525 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
6527 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
6529 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
6531 * configure: Rebuilt.
6532 * configure.in: Only use `lang_requires' for languages athat are
6535 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
6537 * invoke.texi: Fix typo.
6538 * gcc.1: Regenerate.
6540 2001-03-09 Zack Weinberg <zackw@stanford.edu>
6542 * configure.in: Prune nonexistent files from build_xm_file,
6543 xm_file, and host_xm_file lists. Warn unless they're
6545 Don't generate *config.h here.
6546 AC_SUBST all variables needed to generate *config.h.
6547 * configure: Regenerate.
6548 * mkconfig.sh: New helper script, from code removed from
6550 * Makefile.in: Zap all MALLOC variables - no longer used
6551 anywhere, and malloc.c doesn't exist.
6552 Substitute in variables needed to generate *config.h.
6553 Stop lying about the dependencies contained in CONFIG_H and
6555 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
6556 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
6557 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
6558 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
6559 $(TM_P_H), etc. as appropriate.
6561 * config.gcc: Zap references to deleted files.
6562 * ggc-none.c: Don't include rtl.h or tm_p.h.
6564 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
6565 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
6566 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
6567 config/i386/xm-linux.h, config/i386/xm-linux.h,
6568 config/i386/xm-next.h, config/i386/xm-openbsd.h,
6569 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
6570 Don't include i386/xm-i386.h.
6572 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
6573 config/i386/xm-i386.h, config/i860/xm-i860.h,
6574 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
6575 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6576 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
6577 Delete (empty except comments, #includes of other deleted
6578 files, and macros used nowhere).
6580 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
6582 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
6583 independent on TARGET_FLAGS.
6585 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
6587 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
6589 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
6591 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
6593 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
6594 LAST_REX_SSE_REG): define.
6595 (enum reg_class): Add 'LEGACY_REGS'
6596 (REG_CLASS_CONTENTS): Likewise; add extended registers.
6597 (SSE_REGNO_P): Recognize extended registers.
6598 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
6599 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
6600 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
6601 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
6602 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
6603 REG_OK_FOR_STRREG_P): Remove.
6604 (HI_REGISTER_NAMES): Add extended registers.
6605 (ADDITIONAL_REGISTER_NAMES): Likewise.
6606 (QI_REGISTER_NAMES): Add 8bit extended registers.
6607 (DEBUG_REG): Support extended registers.
6608 * i386.c (regclass_map): Add extended registers.
6609 (dbx_register-map): Likewise.
6610 (svr4_dbx_register_map): Likewise.
6611 (print_reg): Support extended registers.
6612 (print_operand): Support 64bit operands.
6614 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
6616 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
6617 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6618 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
6619 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
6620 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
6621 STACK_BOUNDARY): Set properly for 64bits.
6622 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
6623 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
6624 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
6625 (MOVE_MAX): Set to 16.
6626 (MOVE_MAX_PIECES): 8 for 64bit.
6627 (Pmode): Set to SImode.
6629 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
6631 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
6633 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
6635 * i386.h (mask_64bit): New constant.
6636 (target_64bit): New macro.
6637 (target_options): Add '64'/'32'
6638 (target_default): Define.
6639 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
6640 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
6641 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
6643 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
6645 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
6647 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
6649 * rtlanal.c (rtx_varies_p): Check operand 0 of a
6650 LO_SUM unless for_alias is set.
6652 2001-03-08 Stan Shebs <shebs@apple.com>
6654 * objc/objc-act.c: Fix old typos in comments, add comments for
6656 (hash_init): Fix file name in error message.
6657 (hash_enter): Ditto.
6658 (hash_add_attr): Ditto.
6659 (continue_class): Ditto.
6661 2001-03-08 Bruce Korb <bkorb@gnu.org>
6663 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
6664 wait4() can receive the signal.
6666 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6668 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
6670 * fixinc/fixincl.x: Regenerate.
6672 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6674 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
6676 * fixinc/fixincl.x: Regenerate.
6678 2001-03-08 Richard Henderson <rth@redhat.com>
6680 * configure.in (HAVE_AS_LEB128): New assembler check.
6681 * configure, config.in: Rebuilt.
6683 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
6685 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
6688 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6690 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
6691 references to the MAXPATHLEN macro.
6693 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
6694 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
6697 * config/i386/xm-gnu.h, config/xm-gnu.h,
6698 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
6699 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
6700 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
6701 and/or unused files.
6703 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
6704 doing so in various xm-*.h files.
6706 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6708 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
6710 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
6712 * configure.in (enable_shared): Support per-package shared-library
6714 * configure: Rebuilt.
6716 2001-03-07 David Edelsohn <edelsohn@gnu.org>
6718 * rs6000.md (cr logic): Add original POWER mnemonic alternative
6719 for crnot. Set operands[5] in splitter.
6721 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6723 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
6724 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
6725 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
6726 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
6727 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
6728 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
6729 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
6732 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
6733 config/i370/xm-i370.h, config/i386/xm-dgux.h,
6734 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6735 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6736 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
6737 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
6738 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
6739 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
6740 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
6741 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
6742 Delete unused and/or empty files.
6744 * config.gcc: Define USG in xm_defines as appropriate. Define
6745 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
6746 macro. Remove deleted xm-* files from $xm_files variable.
6748 2001-03-07 Tom Tromey <tromey@redhat.com>
6750 * configure: Rebuilt.
6751 * configure.in: Allow config-lang.in to set `lang_requires' to list
6752 of other required languages.
6754 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
6756 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
6758 (output_prologue): Use xmalloc not oballoc.
6759 (output_epilog): Free a29k_first_epilogue_insn when finished.
6760 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
6762 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
6764 * builtins.c (expand_builtin_mathfn): Check
6765 flag_unsafe_math_optimizations, not flag_fast_math.
6766 (expand_builtin): Likewise
6767 * combine.c (combine_simplify_rtx): Likewise.
6768 (simplify_if_then_else): Likewise.
6769 * cse.c (fold_rtx): Likewise.
6770 * flags.h: Remove flag_fast_math. Add
6771 flag_unsafe_math_optimizations and flag_trapping_math.
6772 * fold-const.c (negate_expr): Check
6773 flag_unsafe_math_optimizations, not flag_fast_math.
6774 (invert_truthvalue): Likewise.
6775 (fold): Likewise. Before associating operands, check that
6776 code == MULT_EXPR, not code != MULT_EXPR.
6777 * ifcvt.c (noce_try_minmax): Check
6778 flag_unsafe_math_optimizations, not flag_fast_math.
6779 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
6780 * invoke.texi: Document -funsafe-math-optimizations and
6781 -fno-trapping-math. Change documentation for -ffast-math.
6782 * jump.c (reversed_comparison_code_parts): Likewise.
6783 (rtx_equal_for_thread_p): Likewise.
6784 * optabs.c (emit_conditional_move): Likewise.
6785 * simplify-rtx.c (simplify_binary_operation): Likewise.
6786 (simplify_relational_operation): Likewise.
6787 (simplify_ternary_operation): Likewise.
6788 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
6789 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
6790 Add trapping-math and unsafe-math-optimizations entries to f_options.
6791 (set_fast_math_flags): New, sets flags for -ffast-math.
6792 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
6793 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
6794 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
6796 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6797 (alpha_emit_conditional_move): Initialize local_fast_math to
6798 flag_unsafe_math_optimizations, not flat_fast_math.
6799 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
6800 instead of setting flag_fast_math to 1.
6801 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
6803 * config/i386/i386.c (override_options): Likewise
6804 * config/i386/i386.md: Likewise.
6805 * config/m68k/m68k.md: Likewise.
6806 * config/mips/mips.md: Likewise.
6807 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
6808 (rs6000_generate_compare): Likewise.
6810 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6812 * Makefile.in: Set RANLIB to @RANLIB@.
6815 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6817 * fixinc/inclhack.def (djgpp_wchar_h): New test.
6818 * fixinc/fixincl.x: Regenerated.
6820 2001-03-07 Richard Henderson <rth@redhat.com>
6822 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
6824 2001-03-07 Richard Henderson <rth@redhat.com>
6826 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
6827 of block notes and exception handling notes.
6829 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
6830 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
6831 (compile_file): ... here.
6833 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6835 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
6837 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
6838 config.h now. Include libiberty.h to handle alloca.
6840 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6842 * c-parse.in (yylexname): New function, split out of _yylex.
6843 (objc_rid_sans_at): New table.
6844 (init_reswords): Initialize it.
6845 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
6846 retrieving the next token and checking it for significance as
6847 an ObjC keyword or string constant.
6849 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
6850 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
6852 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
6855 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
6857 * config/m68k/m68k.c (const_uint32_operand): Accept any
6858 const_int on a 32-bit host.
6860 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
6862 * objc/objc-act.c (init_objc): Set save_lang_status,
6863 restore_lang_status, and mark_lang_status.
6865 2001-03-06 Krister Walfridsson <cato@df.lth.se>
6867 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
6869 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
6871 * cppinternals.texi: Update.
6873 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6875 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6876 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
6877 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
6878 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6879 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
6880 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6881 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
6882 config/i386/xm-i386.h, config/i860/xm-i860.h,
6883 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6884 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
6885 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6886 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6887 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6888 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6889 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
6890 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6891 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
6892 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6893 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6894 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
6895 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
6896 match the defaults provided in hwint.h.
6898 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6899 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
6901 * config.gcc (xm_file): Don't set to files which are deleted.
6903 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
6904 guard this file against these macros being undefined.
6906 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6908 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
6909 and DECL_DEFER_OUTPUT on the decl we create, before calling
6910 rest_of_decl_compilation.
6912 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6914 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
6916 * configure, config.in: Regenerate.
6917 * config.gcc: Remove references to deleted files.
6919 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
6920 genrecog.c, rtl.c: Do not use alloca anywhere.
6922 * Makefile.in, build-make, system.h, config/x-interix,
6923 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
6924 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
6925 config/arc/xm-arc.h, config/arm/xm-arm.h,
6926 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6927 config/h8300/xm-h8300.h, config/i370/x-oe,
6928 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
6929 config/i386/x-ncr3000, config/i386/x-sco5,
6930 config/i386/xm-dgux.h, config/i860/x-sysv4,
6931 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
6932 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
6933 config/m68k/x-hp320g, config/m69k/x-mot3300,
6934 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
6935 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
6936 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
6937 config/m88k/x-sysv4, config/m88k/x-tekXD88,
6938 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6939 config/mips/x-iris, config/mips/x-iris3,
6940 config/mips/x-sni-svr4, config/mips/x-sysv,
6941 config/mips/xm-iris6.h, config/mips/xm-mips.h,
6942 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
6943 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
6944 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6945 config/pa/xm-papro.h, config/romp/xm-romp.h,
6946 config/rs6000/x-aix31, config/rs6000/x-aix41,
6947 config/rs6000/x-beos, config/rs6000/x-lynx,
6948 config/rs6000/x-mach, config/rs6000/x-rs6000,
6949 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
6950 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6951 config/sparc/x-sysv4, config/sparc/xm-linux.h,
6952 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
6953 config/vax/xm-vms.h: Eradicate all references to alloca and
6956 * config/xm-alloca.h, config/clipper/x-clix,
6957 config/i386/xm-sysv4.h, config/i860/x-fx2800,
6958 config/i860/x-sysv3, config/m88k/x-sysv3,
6959 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
6960 (contained only alloca related hacks).
6962 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
6965 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
6967 * invoke.texi: Document __FAST_MATH__.
6969 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6971 * crtstuff.c: Restore include of auto-host.h.
6973 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
6975 Put main() in a separate file, so that the language
6976 front-end can use a different main().
6979 * toplev.c: (main): Rename as toplev_main.
6980 * toplev.h: Declare toplev_main.
6981 * Makefile.in (OBJS): add toplev.o.
6982 (BACKEND): remove toplev.o, add main.o.
6984 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6986 * cppfiles.c (search_from): Special case the empty string.
6988 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6990 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
6991 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
6992 strlen or strcpy; we already know the length.
6993 (_cpp_compare_file_date): Similarly.
6994 * cpphash.h (struct cpp_reader): Delete done_initialising.
6995 (CPP_PREV_BUFFER): Delete.
6996 * cppinit.c (cpp_start_read): Don't set done_initialising.
6997 * cpplex.c (parse_string): Guarantee null-termination.
6998 (_cpp_equiv_toklists): Remove.
6999 * cpplib.c (glue_header_name): Null-terminate.
7000 (do_line): Don't leak memory.
7001 * cpplib.h (BT_WEAK): Delete.
7002 * cppmain.c (cb_ident): Strings are now null-terminated.
7004 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
7006 * gcc.c (convert_filename): Append executable suffix
7007 if NO_AUTO_EXE_SUFFIX is not defined.
7008 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
7009 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
7011 2001-03-03 David O'Brien <obrien@FreeBSD.org>
7013 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7014 * c-parse.gperf, c-gperf.h: Delete.
7015 (c-gperf.h was accidently re-added to the CVS repo in the rev
7016 1.16 commit by tromey)
7018 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7020 * cpplex.c (_cpp_lex_token): Don't warn about directives in
7021 macro arguments when looking for the '('.
7022 * cppmacro.c (funlike_invocation_p): Set parsing_args to
7023 2 when really parsing arguments; 1 when looking for '('.
7024 Always restore the lexer position.
7026 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7028 * longlong.h (umul_ppmm): Don't use a multiline string.
7030 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
7032 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
7033 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
7034 t_bool in declaration because pcc can't combine volatile with typedef
7037 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
7039 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
7040 until when it is really needed.
7041 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
7042 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
7043 * i386.md (float?i?f splitter): Don't force source operand to memory
7045 (sse_movdfcc): Fix constraint.
7046 (sse_movdfcc splitter): Handle properly the second alternative.
7048 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7050 * cpplex.c (parse_string): Unconditionally pedwarn.
7052 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7055 * cppexp.c (parse_number): Update.
7056 * cpplex.c (parse_string): Pedwarn if multiline string does not
7057 result from a system header's macro.
7058 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
7059 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
7060 for function-like macros too.
7061 * c-lex.c (lex_number): Update.
7063 2001-03-03 Richard Henderson <rth@redhat.com>
7065 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
7067 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
7069 * combine.c (try_combine): If split with mode-changed scratch
7070 register didn't work, try the original mode.
7072 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
7074 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
7075 * config/c4x/c4x.h: Likewise.
7076 * stor-layout.c (compute_record_mode): Likewise.
7077 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
7079 2001-03-02 Zack Weinberg <zackw@stanford.edu>
7081 * configure.in: Kill tm.h. Include the files in the $tm_file
7082 list in all three of config.h, hconfig.h, tconfig.h, after the
7083 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
7084 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
7085 * configure: Regenerate.
7086 * Makefile.in (clean): Don't delete tm.h.
7088 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
7089 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
7090 those are not defined, set SEC and FEC to 0 and 1.
7091 * gcc.texi: Update to match.
7093 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
7094 * config/fp-bit.c, config/m68k/aux-crt2.asm,
7095 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
7096 Include tconfig.h, not tm.h.
7098 * config/xm-lynx.h, config/xm-std32.h,
7099 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7100 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
7101 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
7102 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7103 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7104 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7105 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
7106 config/i386/xm-i386.h, config/i860/xm-i860.h,
7107 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7108 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
7109 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7110 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7111 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7112 config/pa/xm-linux.h, config/pa/xm-pa.h,
7113 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7114 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
7115 config/pj/xm-pj.h, config/romp/xm-romp.h,
7116 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7117 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7118 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7119 config/v850/xm-v850.h, config/vax/xm-vax.h,
7120 config/we32k/xm-we32k.h:
7122 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
7124 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
7125 config/i370/xm-oe.h: Don't include tm.h. Don't define
7127 * config/vax/xm-vms.h: Don't include tm.h.
7129 * config/xm-lynx.h, config/avr/xm-avr.h,
7130 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
7131 Delete; made empty by above changes.
7132 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7133 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
7134 Don't include config/xm-lynx.h or tm.h.
7136 * config/xm-gnu.h: Don't include fcntl.h.
7137 * config/sparc/xm-lynx.h: Don't include sys/types.h and
7139 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
7141 2001-03-02 Richard Henderson <rth@redhat.com>
7143 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
7144 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
7146 2001-03-02 Richard Henderson <rth@redhat.com>
7148 * Makefile.in (OBJS): Add dwarf2asm.o.
7149 * dwarf2asm.c, dwarf2asm.h: New files.
7150 * dwarf2out.c (*): Use them.
7151 (size_of_uleb128, size_of_sleb128): Remove.
7152 (output_uleb128, output_sleb128): Remove.
7153 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
7154 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
7155 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
7156 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
7157 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
7158 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
7159 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
7160 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
7161 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
7162 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7163 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
7164 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
7165 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
7166 (dwarf2out_frame_debug): Remove unused variables.
7167 (output_loc_operands): Don't abort on 8 byte constants if
7168 host integers are wide enough.
7169 (output_symbolic_ref): Remove.
7170 (size_of_die): Don't assume 4 byte host integers.
7171 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
7173 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
7174 something stupid with HOST_WIDE_INT to long truncation.
7175 [CONST_DOUBLE]: Likewise.
7177 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
7178 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7179 * config/arm/unknown-elf.h: Likewise.
7180 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
7181 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
7182 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
7183 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
7184 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
7185 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
7186 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
7187 (ASM_OUTPUT_DWARF_OFFSET): Remove.
7188 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
7189 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
7190 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
7191 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
7193 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7195 * cselib.c (hash_rtx): Cast enums to unsigned int.
7197 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7199 * print-rtl.c (print_rtx): Cast enums to int for comparison.
7200 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
7202 * c-format.c (C_STD_VER): Cast to int for comparisons.
7203 (check_function_format): Cast various enums to int for &.
7204 (maybe_read_dollar_number): Likewise.
7205 (check_format_info): Likewise.
7206 (check_format_info_main): Likewise.
7207 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
7208 (safe_from_p): Likewise.
7209 * varasm.c (const_hash): Cast enum to int for %.
7210 * emit-rtl.c (init_emit_once): Use int loop variable to work around
7211 pcc enum problems with < and ++ operators.
7212 * regclass.c (init_reg_sets_1): Cast enums for comparison.
7213 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
7214 (regclass_init): Change enum class to int to iterate over reg_classes.
7215 * genrecog.c (merge_trees): Cast enums for comparison.
7216 * rtl.h (GET_CODE): Cast to enum rtx_code.
7217 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
7218 (GET_MODE): Cast to enum machine_mode.
7219 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
7220 (GET_NOTE_INSN_NAME): Cast enum to int.
7221 * tree.h (TREE_CODE): Cast to enum tree_code.
7222 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
7223 * timevar.c (timevar_print): Change loop variable id from enum to
7225 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
7226 * config/i386/i386.md: Use PUT_MODE for mode assignment.
7227 * toplev.c (compile_file): Cast enum DFI to int.
7228 (decode_d_option): Likewise.
7230 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
7232 * cppinit.c (append_include_chain): Mark "after" include file name list
7233 as a system directory.
7234 * cpp.texi: Document new behavior.
7236 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
7238 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
7240 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
7242 * cppfiles.c (struct include_file): Update.
7243 (stack_include_file): Use search_from.
7244 (cpp_included, find_include_file): Update.
7245 (cpp_execute_include): Update. ptr->name may not be
7246 null terminated. Use the new search_from member variable
7248 (_cpp_compare_file_date): Similarly.
7249 (search_from): New function, similiar to actual_directory.
7250 (actual_directory): Delete.
7251 (remap_filename): Update. loc->name may not be null terminated.
7252 (struct file_name_list): Rename search_path. Update.
7253 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
7254 search_from and dir.
7255 (struct cpp_reader): Remove actual_dirs.
7256 * cppinit.c (struct cpp_pending): Update for renamed objects.
7257 (append_include_chain, remove_dup_dir, remove_dup_dirs,
7258 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
7259 * cpplib.h (struct cpp_options): Similarly.
7261 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7263 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
7264 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
7265 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7266 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7267 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7268 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7269 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7270 config/i370/xm-linux.h, config/i370/xm-mvs.h,
7271 config/i370/xm-oe.h, config/i386/xm-aix.h,
7272 config/i386/xm-i386.h, config/i386/xm-osf.h,
7273 config/i860/xm-i860.h, config/i960/xm-i960.h,
7274 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7275 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
7276 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
7277 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
7278 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
7279 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7280 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7281 config/pj/xm-pj.h, config/romp/xm-romp.h,
7282 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7283 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7284 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7285 config/v850/xm-v850.h, config/vax/xm-vax.h,
7286 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
7287 Do not define TRUE or FALSE.
7289 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
7290 empty by above change.
7291 * config.gcc: Remove references to these files.
7293 * configure.in: Detect stdbool.h.
7294 * configure, config.in: Regenerate.
7295 * system.h: Include stddef.h here if available.
7296 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
7297 Then set up a sensible boolean type at the very end.
7299 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
7300 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
7302 * hash.h: Delete 'boolean' typedef and related #undefs.
7304 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
7305 all uses of 'boolean' with 'bool'.
7307 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7309 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
7310 * cppexp.c (lex): Cast enums for comparison.
7311 * cppinit.c (parse_option): Cast enum for comparison.
7312 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
7313 (cpp_output_token): Likewise.
7314 (cpp_can_paste): Cast enums for comparsion and plus/minus.
7315 (cpp_avoid_paste): Cast enums for minus and comparison.
7317 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7319 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
7320 field to all array elements.
7322 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7324 * cpphash.h (struct cpp_reader): Add print_version field.
7325 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
7326 just set print_version and other flags as appropriate.
7327 (cpp_post_options): Print version here if print_version is set.
7329 * toplev.c (exit_after_options): New flag.
7330 (independent_decode_option): Don't exit here; just set
7332 (main): Exit after calling lang_hooks.post_options if
7333 exit_after_options is true.
7335 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
7336 (merge_include_chains): Adjust comment to match code.
7338 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7340 * stringpool.c (set_identifier): New function.
7341 * tree.h: Prototype it.
7343 * c-parse.in: Kill D_YES. If compiled for objc, call
7344 save_and_forget_protocol_qualifiers from init_reswords.
7345 * objc/objc-act.c (remember_protocol_qualifiers,
7346 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
7347 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
7349 (save_and_forget_protocol_qualifiers): New function.
7350 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
7352 2001-03-01 Diego Novillo <dnovillo@redhat.com>
7354 * c-semantics.c (prune_unused_decls): Return error_mark_node
7355 instead of (tree) 1 to stop traversing the tree chain.
7357 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7359 Fix a problem introduced by Kenner's Feb 18 change.
7360 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
7361 flag_cse_skip_blocks only temporarily, not for ever.
7363 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
7365 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
7366 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
7368 * pa.c (emit_move_sequence): Verify operand0 is a hard register
7369 before determining its register class.
7371 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7373 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
7374 from reg 4 if current_function_calls_setjmp.
7375 (gen_nop_type): New function.
7376 (ia64_emit_nops): New function.
7377 (ia64_reorg): Call it.
7378 (ia64_sched_reorder): Move code that rotates bundles up a bit.
7380 * reload1.c (eliminate_regs_in_insn): Restrict the special case
7381 code not to try to optimize adds with anything but a REG destination.
7383 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
7384 (INSN_PRIORITY_KNOWN): New accessor macro.
7385 * haifa-sched.c (priority): Use it instead of testing priority against
7388 2001-02-28 DJ Delorie <dj@redhat.com>
7390 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
7391 since that doesn't work the way gcc wants on a generic m68k.
7393 2001-02-28 Richard Henderson <rth@redhat.com>
7395 * caller-save.c (save_call_clobbered_regs): Fix typo in
7396 comparison last change.
7398 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
7400 * i386.c (pentium4_cost): New.
7401 (m_PENT4): New macro.
7402 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
7403 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
7404 x86_integer_DFmode_moves, x86_partial_reg_dependency,
7405 x86_memory_mismatch_stall): Add Pentium4
7406 (x86_use_q_reg, x86_use_any_reg): Kill.
7407 (override_options): Add pentium4.
7408 (incdec_operand): Return 0 for pentium4.
7409 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
7410 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
7411 (TARGET_PENTIUM4): Define.
7412 (enum processor_type): Add PROCESSOR_PENTIUM4.
7413 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
7414 * i386.md (attribute "cpu"): Add pentium4.
7415 * invoke.texi (march): Add pentium4.
7417 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
7419 * i386.md (sse_mov?fcc*): New patterns and splitters.
7420 * i386.c (ix86_expand_movcc): Work post-reload; recognize
7421 the SSE based conditional moves.
7423 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
7425 * i386.md (attribute mode): Add "TI".
7426 (movsf_1): Add pxor support; remove constant propagation splitter.
7427 (movdf_integer): Likewise.
7428 (movdf_nointeger): Likewise.
7429 (movxf constant prop splitter): Handle all modes; update for SSE.
7430 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
7431 * i386.c (standard_80387_constant_p): Rewrite.
7432 (standard_sse_constant_p): New.
7433 * i386-protos.h (standard_sse_constant_p): New.
7435 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
7437 * i386.md (sse_setccsf, sse_setccdf): New.
7438 (sse_cmp* patterns): Use '%D' instead of outputtting condition
7440 * i386.c (sse_comparison_operator): Accept the supported unordered
7441 comparses; be ready for fast_math.
7442 (print_operand): Support 'D'.
7444 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
7446 * jump.c (reversed_comparison_code): Kill.
7448 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
7450 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
7453 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
7455 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
7456 add missing '%' in constraints.
7458 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
7460 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
7461 for HOST_BITS_PER_WIDE_INT == 32 too.
7463 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
7465 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
7467 (insert_save, insert_restore): New parameter save_mode.
7468 (init_caller_save): Update initialization of reg_save_code
7469 and reg_restore_code.
7470 (save_call_clobbered_regs): Compute save_modes and update calls to
7471 reg_save_code and reg_restore_code.
7472 (insert_restore): Unsignetize numbers; use save_modes to choose mode
7473 of spill; update use of reg_restore_code.
7474 (insert_save): Likewise.
7475 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7476 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7477 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
7479 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7481 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
7482 noce_try_store_flag_inc, noce_try_store_flag_mask,
7483 noce_try_cmove_arith):
7484 Use reversed_comparison_code instead of reverse_comparison and
7485 can_reverse_comparison_p.
7487 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
7489 * jump.c (reversed_comparison_code_parts): Allow reversal of
7490 unordered compares in -ffast-math mode; reverse ordered compares
7491 for FP even w/o -ffast-math.
7493 2001-02-27 Richard Henderson <rth@redhat.com>
7495 * print-rtl.c (print_rtx) [i]: Don't print field five on
7496 NOTEs other than NOTE_INSN_DELETED_LABEL.
7498 2001-02-27 Zack Weinberg <zackw@stanford.edu>
7500 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
7501 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
7503 2001-02-27 Diego Novillo <dnovillo@redhat.com>
7505 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
7506 even if walk_subtrees is 0.
7507 * c-semantics.c (prune_unused_decls): Return a non-null value to
7508 stop traversing the tree chain.
7510 2001-02-27 DJ Delorie <dj@redhat.com>
7512 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
7513 register, *then* define it as the new CFA.
7515 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
7517 * pa.c (override_options): Promote -fpic to -fPIC.
7518 (legitimize_pic_address): Simplify due to removal of
7519 small PIC as a code generation option.
7520 (secondary_reload_class): Similarly.
7521 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
7522 (PRINT_OPERAND_ADDRESS): Similarly.
7523 * pa.md (various patterns): Similarly.
7524 (small pic lo_sum pattern): Remove.
7526 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
7529 * md.texi (min, max): Document
7531 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
7533 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
7534 TARGET_PARTIAL_REG_DEPENDENCY.
7535 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
7537 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
7539 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
7541 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
7543 * mips.c (mips_make_temp_file): Fix thinko in last change.
7545 2001-02-26 Jason Eckhardt <jle@redhat.com>
7547 * combine.c (known_cond): Do not reverse the condition when
7548 SMAX/UMAX is being considered and the condition is for equality
7551 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
7553 2001-02-26 Philip Blundell <philb@gnu.org>
7555 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
7557 * config/arm/linux-elf.h: Remove historical relics related to
7558 above configurations.
7559 * config/arm/linux-oldld.h: Delete.
7560 * config/arm/linux-elf26.h: Delete.
7562 2001-02-26 Jason Merrill <jason@redhat.com>
7564 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
7566 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
7567 recognize a tentative definition. Lose obsolete code.
7569 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
7570 variables unless necessary, either.
7572 2001-02-25 Richard Henderson <rth@redhat.com>
7574 * ifcvt.c (struct noce_if_info): Add test_bb.
7575 (noce_get_alt_condition): New.
7576 (noce_try_minmax, noce_try_abs): New.
7577 (noce_operand_ok): New.
7578 (noce_process_if_block): Use them.
7579 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
7581 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
7583 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
7586 2001-02-25 Zack Weinberg <zackw@stanford.edu>
7588 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
7589 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
7591 (mips_asm_file_end): Free temp_filename here.
7593 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7595 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
7596 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
7598 * config/i386/i386.md (movstrsi): Handle FAIL case.
7600 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
7602 * cppinit.c (builtin_array): Update.
7603 (init_builtins): Flag builtins to warn if redefined or
7604 undefined. Define __GXX_WEAK as a normal macro.
7605 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
7606 * cpplib.h (NODE_WARN): New flag.
7607 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
7608 Handle __STDC__ as a builtin only on Solaris.
7609 (warn_of_redefinition): Renamed from check_macro_definition.
7610 Reverse sense of test. Always warn if NODE_WARN.
7611 (_cpp_create_definition): Use warn_of_redefinition. Flag
7612 any macro beginning with "__STDC_" to require a mandatory
7613 warning if redefined or undefined.
7615 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7617 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
7618 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
7619 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
7620 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
7621 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
7622 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
7623 Don't define any of:
7624 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
7625 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
7626 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
7627 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
7628 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
7630 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
7631 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
7634 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
7635 Delete now-empty file.
7637 * alpha/vms.h: Define NEED_ATEXIT here...
7638 * alpha/xm-vms.h: ...not here.
7640 * i386/cygwin.h: Don't define PARAMS.
7641 * mips/mips.c: Don't prototype mktemp. Don't define
7642 P_tmpdir. Use make_temp_file to create temporary files.
7643 Don't be clever and delete temporary files early.
7644 * config.gcc: Drop references to deleted files. Don't define
7646 * gcc.texi: Don't mention USE_PROTOTYPES.
7648 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7650 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
7651 (ix86_set_move_mem_attrs_1): Likewise.
7652 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
7653 * config/i386/i386.md (movstrsi): Call it.
7655 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7657 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
7658 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
7659 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
7660 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
7662 (i750a-*-*): Error here if hosting on i750a.
7663 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
7665 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
7666 Remove (empty modulo comments).
7668 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
7669 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
7670 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
7671 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
7672 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
7673 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
7675 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
7676 Remove reference to winnt.h in comment.
7677 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
7679 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7681 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
7682 used to set another biv.
7684 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7686 * tree.h (BLOCK_DEAD): New macro.
7687 (struct tree_block): New flag, dead_flag.
7688 * print-tree.c (print_node, case 'b'): Print missing fields.
7689 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
7690 * function.c (identify_blocks): Enable test for misplaced notes.
7691 (all_blocks): Skip BLOCK_DEAD blocks.
7692 * integrate.c (integrate_decl_tree): Likewise.
7694 * errors.c (internal_error, trim_filename): New functions.
7695 (fancy_abort): Call internal_error.
7696 * errors.h (internal_error, trim_filename): New declarations.
7698 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
7700 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
7702 (EXTRA_CONSTRAINT): Formatting changes.
7704 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7706 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
7708 2001-02-23 Per Bothner <per@bothner.com>
7710 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
7711 so they can be called from java/jvspec.c.
7712 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
7714 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
7716 * i386.c (ix86_frame): New structure.
7717 (ix86_compute_frame_size): Kill.
7718 (ix86_compute_frame_layout): New.
7719 (ix86_save_reg): New.
7720 (ix86_can_use_return_insn_p): Use frame layout stuff.
7721 (ix86_expand_prologue): Likewise.
7722 (ix86_expand_epilogue): Likewise.
7723 (ix86_initial_elimination_offset): Likewise.
7724 (ix86_nsaved_regs): Use ix86_save_reg.
7725 (ix86_emit_save_regs): Likewise.
7727 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
7729 * flow.c (find_sub_basic_blocks): New function.
7730 (split_block): Be ready for basic block introduced by CODE_LABEL.
7731 (commit_one_edge_insertion): Call find_sub_basic_block.
7733 * flow.c (make_edges): Add edge from entry for blocks starting with
7734 label having ALTERNATE_NAME
7736 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
7738 * function.c (epilogue_done): Be ready for first basic block not
7739 containing PROLOGUE_END note.
7740 (reposition_prologue_and_epilogue_notes): Avoid placing
7741 PROLOGUE_END note between BASIC_BLOCK.
7743 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
7745 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
7747 2001-02-21 DJ Delorie <dj@redhat.com>
7749 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
7750 check for current_function_has_nonlocal_goto from 1999-11-12.
7752 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7754 * diagnostic.c (trim_filename): No longer static.
7755 * toplev.h (trim_filename): Declare.
7756 * rtl.c (rtl_check_failed_bounds): Call internal_error.
7757 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
7758 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
7759 (rtvec_check_failed_bounds): Likewise.
7760 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
7762 * convert.c (convert_to_integer): Don't do unsigned unless result or
7763 both inputs are unsigned.
7765 * fold-const.c (fold_convert): Don't call size_int_type_wide if
7768 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
7770 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
7772 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
7774 * Makefile.in (resource.o): Add params.h dependence.
7775 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
7776 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
7777 * resource.c: Add dependence on params.h.
7778 (current_live_regs): Fix explanatory comment.
7779 (find_basic_block): Add new parameter to permit limiting search
7781 (mark_target_live_regs): Add new argument to find_basic_block call.
7782 (incr_ticks_for_insn): Likewise.
7784 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7786 * diagnostic.c (output_to_stream): Rename to
7787 output_buffer_to_stream. Loses the stream parameter.
7788 (init_output_buffer): Set diagnosic_buffer's stream.
7789 (flush_diagnostic_buffer): Adjust.
7790 (default_print_error_function): Likewise.
7791 (finish_diagnostic): Likewise.
7792 (verbatim): Likewise.
7794 * diagnostic.h (struct output_buffer): Add `stream' field.
7795 (output_buffer_attached_stream): New macro.
7797 2001-02-23 Jakub Jelinek <jakub@redhat.com>
7799 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
7800 check if either operand is divisible by C.
7801 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
7802 If type is signed, consider negative numbers as well.
7804 2001-02-22 Richard Henderson <rth@redhat.com>
7806 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
7807 reach .text instead of gp-relative relocs.
7808 * config/ia64/crtend.asm (.init): Likewise.
7810 2001-02-22 Andreas Jaeger <aj@suse.de>
7812 * extend.texi (C++ Attributes): Fix typo.
7814 2001-02-21 David Mosberger <davidm@hpl.hp.com>
7816 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
7817 functions, drop current_function_args_info.words test.
7818 (ia64_compute_frame_size): Mark syscall_linkage functions as
7819 using eight input registers.
7821 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
7822 Bruce Korb <bkorb@gnu.org>
7824 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
7825 * fixinc/README: Document how to convert sed substitutions
7826 to format style c_fix-es.
7827 * fixinc/fixincl.x: regen
7829 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
7831 * gcc.c: Add comment explaining how to add a command-line option.
7832 Add title to specs language comment.
7834 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7836 * gcc.c (cc1_options): Add "-param".
7837 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
7838 (option_map): Likewise.
7839 * toplev.c (display_help): Add entry for "--param".
7840 (independent_decode_option): Fix typographical error.
7842 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
7843 Bernd Schmidt <bernds@redhat.com>
7844 Jan Hubicka <jh@suse.cz>
7846 * i386.c (function_arg_advance): Pass SSE arguments in registers.
7847 (function_arg): Likewise.
7849 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
7851 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
7853 2001-02-21 Kazu Hirata <kazu@hxi.com>
7855 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7859 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
7861 * flow.c (init_propagate_block_info): Canon address and use single_set
7862 for killing dead memory stores.
7864 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7866 * Makefile.in (reorg.o): Add params.h dependence.
7867 * params.def: Fix typographical error in comment.
7868 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7869 * params.h: Modify introductory comment.
7870 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7871 * reorg.c: Add dependence on params.h.
7872 (redundant_insn): Add parameterized throttle for search.
7873 (fill_simple_delay_slots): Add a comment explaining a variable.
7874 Move conditional out of loop, simplifying code.
7875 (fill_eager_delay_slots): Fix typographical error in comment.
7877 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
7879 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
7881 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
7882 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
7884 2001-02-21 Jason Merrill <jason@redhat.com>
7886 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
7887 (struct tree_decl): Add uninlinable bitfield.
7888 * c-decl.c (duplicate_decls): Set it.
7889 * integrate.c (function_cannot_inline_p): Check it.
7891 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
7892 DW_AT_MIPS_linkage_name to abstract methods.
7893 (dwarf2out_abstract_function): Emit class context before calling
7894 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
7895 (gen_subprogram_die): Remove obsolete code.
7896 (gen_member_die): Don't include clones in the member list.
7897 (gen_decl_die): Emit abstract info for clone origin.
7898 * dwarfout.c (output_type): Don't include clones in the member list.
7899 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
7900 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
7901 DECL_ABSTRACT on a function that already has it set.
7903 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
7904 (get_subprogram_die): Pass it in.
7906 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
7908 * flow.c (mark_set_1): Make not_dead unsigned long. For
7909 non-pseudos, use it as a bitmask of the hard regs that
7912 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
7914 * cppfiles.c: Update comments.
7915 (_cpp_read_file): Don't check for NULL filenames any more.
7916 * cppinit.c (cpp_start_read): Don't do canonicalization of
7917 in_fname and out_fname. Use the passed file name exclusively.
7918 (_cpp_handle_options): Don't treat "-" as a command line option,
7919 but as a normal filename.
7920 (_cpp_post_options): Canonicalize in_fname and out_fname.
7921 * cppmain.c (printer_init): Don't check out_fname for NULL.
7922 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
7923 (init_c_lex): Update, and use "" to represent stdin to CPP.
7926 2001-02-20 Will Cohen <wcohen@redhat.com>
7928 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
7929 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
7930 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
7933 2001-02-20 Stan Shebs <shebs@apple.com>
7935 * config/rs6000/rs6000.c (output_cbranch): Output branches
7936 on separate lines instead of using ';' to separate.
7938 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
7940 * cppinit.c (set_lang): Move builtin handling to...
7941 (init_builtins): ...here.
7942 (_cpp_create_reader): Move call to set_lang.
7944 2001-02-20 Mark Mitchell <mark@codesourcery.com>
7946 * stmt.c (expand_return): If an attempt is made to return the
7947 error_mar_node, treat the return like a return without a value.
7949 2001-02-19 Zack Weinberg <zackw@stanford.edu>
7951 * sibcall.c (skip_copy_to_return_value): Call
7952 identify_call_return_value here, and return orig_insn if it
7953 returns zero. Hardret and softret arguments now unnecessary.
7954 (call_ends_block_p): Don't call identify_call_return_value here.
7956 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
7958 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
7959 * ggc.h (ggc_mark_if_gcable): Delete prototype.
7961 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
7963 * pa.c (move_operand): Accept code to load the address of a
7964 symbol out of the DLT as a valid move operand.
7965 (print_operand, case 'A'): New to handle generating a DLT
7966 reference for a LO_SUM expression.
7967 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
7968 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
7970 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
7972 * README, cpp.texi, gcc.texi, version.c: Update version number to
7974 * cpp.1, gcov.1, gcc.1: Regenerate.
7976 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
7978 * cppfiles.c (stack_include_file): Generate dependencies
7979 here, and manage include_count here too.
7980 (PRINT_THIS_DEP): Delete.
7981 (_cpp_execute_include): Do not generate dependencies here,
7982 apart from the case of a missing header. Do not manage
7984 (_cpp_read_file): Leave dependency generation to
7987 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
7989 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
7990 target_cpu_default. Remove dead assignment to
7993 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
7995 * regclass.c (contains_reg_of_mode): Make global.
7996 (init_reg_sets): Remove contains_reg_of_mode; take into account
7997 CLASS_MAX_NREGS when looking for the proper mode.
7998 (dump_regclass): Dump only classes considered for the pseudo.
7999 (regclass): Use contains_reg_of_mode.
8001 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
8003 * gcc.c (do_spec_1): 'n' for printing notices.
8004 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
8006 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
8008 * reg-stack.c (next_flags_user): Use current_block->end
8009 (swap_rtx_condition): Look for next user if flags don't die;
8010 give up on CALL_INSNs; use current_block->end.
8012 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8014 * sibcall.c (call_ends_block_p): New function.
8015 (optimize_sibling_and_tail_recursive_call): Use it.
8017 2001-02-18 Kazu Hirata <kazu@hxi.com>
8019 * config/h8300/h8300.md: Update copyright.
8020 (andsi3): Do not output an extra newline character.
8022 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8024 * toplev.c (note_deferral_of_defined_inlined_function): Argument
8025 FNDECL may be unused.
8027 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
8028 follow jumps after first run.
8029 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
8030 it doesn't change any jumps.
8032 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
8034 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
8035 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
8036 (mostlyclean): Corresponding changes.
8037 * rtlanal.c (hard-reg-set.h): Include.
8038 (rtx_unstable_p): Do not treat the argument pointer specially
8039 if it is not a fixed register.
8040 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
8042 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8044 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
8045 against last real insn in basic block.
8046 Rework to avoid gotos.
8048 * Makefile.in (gcse.o): Now includes ggc.h.
8049 * gcse.c: Include ggc.h.
8050 (want_to_gcse_p): Verify expression can be in SET as valid insn.
8051 (try_replace_reg): Remove warning of uninitialize variable.
8052 (process_insert_insn): Call invalid_insn_p to validate insn.
8053 * recog.c (insn_invalid_p): Now global.
8054 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
8055 * recog.h (insn_invalid_p): New declaration.
8057 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
8059 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
8060 assignments from FP constants since 'Y' output code can't handle it.
8061 (eligible_for_sibcall_delay): Likewise.
8063 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
8064 Call fancy_abort directly, passing args.
8065 (print_rtl_and_abort): Now a macro, like fancy_abort.
8067 * final.c (output_operand_lossage): Use internal_error, not error.
8069 2001-02-18 Shane Nay <shane@agendacomputing.com>
8071 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
8072 structure shift insns.
8074 2001-02-18 Mark Mitchell <mark@codesourcery.com>
8076 * invoke.texi (-fsquangle): Remove documentation.
8077 (-fname-mangling-version): Likewise.
8079 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
8081 * optabs.c (expand_abs): Remove reference to
8082 HAVE_contitional_arithmetic.
8083 * combine.c (simplify_set): Likewise.
8085 2001-02-18 Richard Henderson <rth@redhat.com>
8087 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
8090 2001-02-18 Richard Henderson <rth@redhat.com>
8092 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
8094 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
8096 * reload1.c (reload_cse_simplify_set): Fix typo.
8098 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8100 * diagnostic.c (_fatal_insn): Decrement errorcount.
8102 * invoke.texi (-I): Add note avoiding use for system header files.
8104 * rtl.h (add_clobbers): Remove duplicate declaration.
8105 * recog.h (added_clobbers_hard_reg_p): New declaration.
8106 * genemit.c (struct clobber_pat): New field has_hard_reg.
8107 (gen_insn): Record if added clobbers clobber hard reg.
8108 (gen_split): Avoid unused warning if number of operands is 0.
8109 (output_added_clobbers_hard_reg_p): New function.
8112 2001-02-18 Alan Modra <alan@linuxcare.com.au>
8114 * pa.c (hppa_expand_prologue): Simplify code storing return
8115 pointer. For large (>=8k) frames with a post_store, adjust stack
8116 pointer by 8k-64 first rather than by 64. When testing with
8117 VAL_14_BITS_P, always use the actual value rather than the value
8118 negated. Add blockage to prevent scheduling of spills before
8119 stack frame has been created.
8120 (hppa_expand_epilogue): Simplify code loading return pointer.
8121 Allow a slightly larger range for merge_sp_adjust_with_load case.
8122 When testing with VAL_14_BITS_P, always use the actual value.
8124 * pa.c (pa_adjust_insn_length): Check that block move
8125 pattern is a set before looking at operands.
8127 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8129 * fold-const.c (fold_binary_op_with_conditional_arg): New
8130 function, split out from ...
8132 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
8133 conditional arms that throw exceptions.
8135 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
8138 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8140 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
8141 define HAVE_DECL_* to 1 to mask potential backup declarations.
8142 * configure: Regenerated.
8144 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8146 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
8148 2001-02-17 Richard Henderson <rth@redhat.com>
8150 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
8151 when replacing a memory load with a register.
8153 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8154 Jan Hubicka <jh@suse.cz>
8156 * recog.c (validate_replace_src_1): New.
8157 (validate_replace_src_data): Likewise.
8158 (validate_replace_src): Use note_uses.
8159 * rtl.h (note_uses): Declare.
8160 * rtlanal.c (note_uses): New.
8162 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
8164 * reg-stack.c (stack_def): Make field reg unsigned.
8165 (remove_regno_note): Unsignetize parameter.
8167 2001-02-16 Jes Sorensen <jes@linuxcare.com>
8169 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
8170 shladd_operand() call.
8172 2001-02-16 Bruce Korb <bkorb@gnu.org>
8173 Rodney Brown <RodneyBrown@mynd.com>
8175 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
8176 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
8177 machine restrictions
8178 * fixinc/fixincl.x: regen
8180 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8182 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
8184 (hash_scan_insn): Clean up calls to hash_scan_set.
8185 (compute_kill_rd): REGNO now unsigned.
8186 (try_replace_reg): Rework to use simplify_replace_rtx.
8187 (cprop_jump, cprop_cc0_jump): Likewise.
8188 (cprop_insn): Call find_reg_equal_equiv_note.
8189 Reflect changes to cprop_jump and cprop_cc0_jump.
8191 * recog.c (validate_replace_src): Replace in operands of
8192 ZERO_EXTRACT in SET_DEST.
8194 * cse.c (new_label_ref): New variable.
8195 (insert): Set it instead of recorded_label_ref.
8196 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
8197 CODE_LABEL for this function, and not already in REG_LABEL note.
8199 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
8201 * resource.c (mark_referenced_resources): Fix typo in introductory
8203 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
8206 2001-02-16 Jason Merrill <jason@redhat.com>
8208 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
8210 (gen_subprogram_die): Don't abort on seeing a second definition if
8211 the previous one was abstract. Don't replace an abstract instance
8212 in the lookup table.
8214 * dwarf2out.c (dwarf2out_abstract_function): Rename from
8215 gen_abstract_function.
8216 * dwarf2out.h: Declare it.
8217 * toplev.c (note_outlining_of_inline_function): New fn.
8218 * toplev.h: Declare it.
8219 * integrate.c (output_inline_function): Call it.
8220 * c-decl.c (duplicate_decls): Call it when redefining an extern
8221 inline. Don't inline the new defn.
8223 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
8225 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8227 * .gdbinit: Rename to gdbinit.in.
8228 * gdbinit.in: New file,
8229 * configure.in: Generate .gdbinit from gdbinit.in.
8230 * configure: Regenerated.
8231 * Makefile.in (distclean): Always remove .gdbinit.
8233 2001-02-16 Jakub Jelinek <jakub@redhat.com>
8235 * objc/objc-act.c (start_class): Register implemented_classes with
8238 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
8240 * cppfiles.c (_cpp_make_system_header): Generate a file
8243 2001-02-15 Jim Meyering <meyering@lucent.com>
8245 * Makefile.in (install-common): Don't depend on installdirs here.
8246 Instead, make each of the lang.install-common targets (e.g.,
8247 c++.install-common in cp/Make-lang.in) depend on it.
8248 (install-driver): Depend on installdirs.
8250 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8252 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
8254 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
8257 2001-02-15 Mark Mitchell <mark@codesourcery.com>
8259 * invoke.texi (--param): Document.
8261 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
8263 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
8265 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
8267 * i386.md (extendsfdf2_2): Fix constraints.
8269 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
8271 * i386.md (fop_df_3 splitter): Fix operand number.
8273 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
8275 * invoke.texi (-mreg-alloc): Nuke.
8276 * i386.c (ix86_reg_alloc_order, regs_allocated,
8277 order_regs_for_local_alloc): Nuke.
8278 (override_options): Kill reg_alloc code.
8279 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
8280 (REG_ALLOC_ORDER): SSE goes before I387.
8281 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
8282 (ix86_reg_alloc_order): Likewise.
8283 * i386-protos.h (ix86_reg_alloc_order): Kill.
8285 2001-02-14 Richard Henderson <rth@redhat.com>
8287 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
8289 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
8291 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
8293 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
8295 * i386-protos.h (ix86_memory_move_cost): Move offline.
8296 * i386.c (ix86_register_move_cost): Compute properly cost of
8297 SSE, MMX and i387 instructions.
8298 (*_cost): Add costs of SSE/MMX moves.
8299 (ix86_memory_move_cost): Move offline from ....; Likewise.
8300 * i386.h (MEMORY_MOVE_COST): .... here;
8301 (struct processor costs): Add new fields to represent costs
8304 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
8306 * regclass.c (init_reg_sets_1): Reinstall the optimization of
8307 move_cost together with Matt Kraai's fix.
8309 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8311 * Makefile.in (OBJS): Add params.o.
8313 2001-02-14 Richard Henderson <rth@redhat.com>
8314 DJ Delorie <dj@redhat.com>
8316 * jump.c (jump_optimize_1): When we delete a conditional jump
8317 preceeding a non-conditional jump to effectively the same place,
8318 make sure that the combined jump skips any clobber insns between
8321 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8323 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
8325 2001-02-14 Mark Mitchell <mark@codesourcery.com>
8327 * Makefile.in (toplev.o): Depend on params.h.
8328 (intergate.o): Likewise.
8329 (params.o): New target.
8330 * flags.h (inline_max_insns): Remove.
8331 * integrate.c: Include params.h.
8332 Use MAX_INLINE_INSNS instead of inline_max_insns.
8333 * params.c: New file.
8334 * params.h: Likewise.
8335 * params.def: Likewise.
8336 * toplev.c: Include params.h.
8337 (lang_independent_params): New variable.
8338 (decode_f_option): Use the param machinery instead of setting
8340 (independent_decode_option): Handle "--param name=value".
8341 (main): Register language-independent parameters.
8343 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
8345 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
8347 2001-02-14 Richard Henderson <rth@redhat.com>
8349 * regclass.c (init_reg_sets_1): Revert last two changes.
8351 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8353 * stor-layout.c (is_pending_size, put_pending_size): New functions.
8354 (variable_size): Call put_pending_size.
8355 * tree.h (is_pending_size, put_pending_size): Add prototypes.
8356 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
8357 sizes list, put newly created SAVE_EXPR there as well.
8359 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8361 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
8362 (errata_find_address_regs): load_group has only 2 entries.
8363 (errata_emit_nops): Likewise. shladd is not problematic.
8364 Clear last_group if nop was emitted.
8365 (fixup_errata): load_group has only 2 entries.
8368 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
8370 * c-lex.c (lex_number): Only warn traditionally for U suffix
8371 outside system macros.
8372 * cppexp.c (parse_number): Similarly.
8373 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
8374 * cppmacro.c (struct cpp_macro): New member node.
8375 (parse_args): Only warn about missing rest args if not
8377 (funlike_invocation_p): Similarly for uninvoked funlike macros.
8378 (cpp_sys_objmacro_p): New.
8379 (_cpp_create_definition): Store the node with the macro defn.
8380 Remember if the macro is defined in a system header.
8382 2001-02-13 DJ Delorie <dj@redhat.com>
8384 * configure.in (check_languages): determine languages to check
8385 * Makefile.in (check-c++): alias for check-g++
8386 (check-f77): alias for check-g77
8387 (CHECK_TARGETS): depend on configured languages
8389 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
8391 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8392 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8393 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8394 (sqrtextendsfdf2): Disable for SSE2.
8396 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8398 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8399 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8400 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8401 (sqrtextendsfdf2): Disable for SSE2.
8403 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
8405 * i386.md (movsfcc_1): Support integer cmove instruction.
8406 (movdfcc_1): Likewise; new splitter.
8408 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
8410 * i386.c (output_fp_compare): Support SSE.
8411 (prepare_fp_compare_args): SSE comparisons always support memory.
8412 * i386.h (TARGET_CMOVE): SSE imply cmove.
8413 * i386.md (cmp?f2): Enable for SSE too.
8414 (cmpfp_i*): Support SSE.
8416 (cmpfp_i_sse_only): New.
8417 (s*, b* fp expanters): Enable for SSE too.
8418 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
8421 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
8423 * regclass.c (init_reg_sets_1): Silence warning.
8425 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
8427 * i386.md (sqrt?f2): Change to expander.
8428 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
8430 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8432 * rtlanal.c (find_reg_equal_equiv_note): New function.
8433 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
8434 (simplify_gen_relational, simplify_replace_rtx): Likewise.
8435 * rtl.h: Add declarations for above functions.
8437 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
8439 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
8441 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
8442 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
8443 * flow.c (mark_regs_live_at_end): Likewise.
8444 (calculate_global_regs_live): Likewise.
8445 * gcse.c (compute_hash_table): Likewise.
8446 (compute_kill_rd): Likewise.
8447 * resource.c (mark_target_live_regs): Likewise.
8448 * rtl.h (INVALID_REGNUM): New macro.
8450 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
8452 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
8454 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
8456 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
8459 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
8461 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
8463 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
8464 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
8465 (fop_sf_1_sse, fop_df_1_sse): New patterns
8466 (fop_*): Disable float_extend and float patterns for SSE compilation.
8467 * i386.c (output_387_binary_op): Support SSE.
8469 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
8471 * i386.md (dummy_extendsfdf2): Support SSE2
8472 (extendsfdf2): Enable if 80387 or SSE2.
8473 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
8474 and no MIX_I387_SSE2
8475 (extendsfdf2_1_sse_only): New pattern.
8476 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
8478 (truncdfsf2_1): Support SSE.
8479 (truncdfsf2_2): Support SSE.
8480 (truncdfsf2_2_1_sse): New pattern.
8481 (fixtruncsfsi2): Always use SSE if available.
8482 (fix_truncsfsi_sse): New pattern.
8483 (fix_truncdfsi_sse): New pattern.
8484 (floatsis?f2): Support SSE.
8485 (floatsidf2_i387): New pattern.
8486 (floatsidf2_sse): Likewise.
8488 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8490 * configure.in: Use "have_gnat" variable, not "gnat".
8491 * configure: Regenerated.
8493 * config/sparc/sparc.c (function_value): Treat all non-record
8494 aggregate types like used to treat UNION_TYPE.
8496 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
8498 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
8499 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
8501 (MASK_MIX_SSE_I387): New.
8502 (TARGET_SSE): SSE2 imply SSE.
8503 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
8504 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
8505 (enum reg_class): Add new classes.
8506 (REG_CLASS_NAMES): Likewise.
8507 (REG_CLASS_CONTENTS): Likewise.
8508 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
8509 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
8510 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
8511 (CLASS_MAX_NREGS): Use new macros.
8512 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
8513 * i386.md (pushsf, movsf): Support SSE.
8514 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
8515 splitters to use ANY_FP_REGNO_P.
8516 (movdf_nointeger, movdf_integer): Likewise.
8518 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8520 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
8521 (try_combine): Use it.
8523 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
8525 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
8526 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
8527 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
8528 (REGISTER_MOVE_COST): Likewise.
8529 * i386-protos.h (ix86_secondary_memory_needed,
8530 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
8531 * i386.c (ix86_secondary_memory_needed,
8532 ix86_preferred_reload_class, ix86_register_move_cost): New function.
8534 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
8536 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
8537 (HARD_REGNO_MODE_OK): Move offline to ....
8538 * i386.c (ix86_hard_regno_mode_ok) ... here;
8539 refuse all incorrect modes.
8540 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
8542 2001-02-13 Richard Henderson <rth@redhat.com>
8544 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
8545 entire operator; replicate that and match_dup the operands.
8546 (cmp_ccx_arith_op_set): Likewise.
8547 (cmp_cc_arith_op_not_set): Likewise.
8548 (cmp_ccx_arith_op_not_set): Likewise.
8550 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8552 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
8554 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8556 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
8557 (TARGET_NO_BITFIELD_WORD): New macro.
8558 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
8559 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
8561 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8563 * cselib.c: New file, from simplify-rtx.c.
8564 * simplify-rtx.c: Remove cselib parts.
8565 * Makefile.in: Add cselib.o.
8567 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8569 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
8570 (setup_incoming_varargs): Remove warning.
8572 * config/rs6000/rs6000.c (validate_condition_mode): When
8573 flag_fast_math, allow floating-point conditionals to be reversed.
8574 (rs6000_generate_compare): When flag_fast_math, don't generate
8575 cror operations for FP conditionals.
8577 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
8579 (ASM_SPEC): Likewise.
8580 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
8581 (CC1_SPEC): Likewise.
8582 (LINK_TARGET_SPEC): Likewise.
8583 (CPP_ENDIAN_SPEC): Likewise.
8584 * Makefile.in (check-consistency): New target.
8586 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
8588 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
8589 "return type defaults" warning for functions with return type
8591 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
8592 function declarations by default rather than only when pedantic.
8594 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
8596 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
8599 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8601 * extend.texi (Deprecated): Deprecate new initializer lists.
8603 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8605 * mkdeps.c (deps_add_default_target): Robustify. Add
8606 basename component only.
8607 * cpp.texi (-M): Describe how default target is generated.
8608 * invoke.texi (-M): Likewise.
8610 2001-02-12 Kazu Hirata <kazu@hxi.com>
8612 * toplev.c (push_float_handler): Remove.
8613 (pop_float_handler): Remove.
8614 * toplev.h: Remove prototypes for the above functions.
8616 2001-02-12 Jakub Jelinek <jakub@redhat.com>
8618 * c-common.c (constant_fits_type_p): New function.
8619 (convert_and_check): Use it.
8621 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8623 * Makefile.in (GXX_ABI_FLAG): Don't define.
8624 * configure.in (--enable-new-gxx-abi): Remove option.
8625 * config.in: Regenerated.
8626 * configure: Likewise.
8628 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
8630 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
8632 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
8633 regular basic block, and arrange for all edges into it to switch
8636 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8638 * Makefile.in (distclean): Do not remove .gdbinit.
8640 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8642 * Makefile.in (gcc.o): Fix typos.
8643 (protize.o): Likewise.
8644 (unprotoize.o): Likewise.
8646 2001-02-11 Richard Henderson <rth@redhat.com>
8648 * tree.c (build1): Check for null operand in last change.
8650 2001-02-11 Richard Henderson <rth@redhat.com>
8652 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
8653 (fold): Don't assume a constant isn't foldable.
8654 * tree.c (build): Set TREE_CONSTANT for an expression with no
8655 side-effects and constant operands.
8658 2001-02-10 Richard Henderson <rth@redhat.com>
8660 * jump.c (squeeze_notes): Revert 2000-05-12 change.
8662 2001-02-10 Anthony Green <green@redhat.com>
8664 * cpp.texi (Standard Predefined): Add documentation for
8667 * c-common.c (combine_strings): Improve warning message.
8669 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
8671 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
8673 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
8675 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
8677 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
8680 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
8682 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
8685 2001-02-09 Nick Clifton <nickc@redhat.com>
8687 * config/arm/arm.md: Change output contraint on post inc
8688 load/store multiple patterns to be a read/write contraint.
8690 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
8692 * gcc.c (cpp_options): Delete .d files on error. Don't delete
8693 .o files when using the -M options.
8695 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8696 David Edelsohn <edelsohn@gnu.org>
8698 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
8699 handle DImode constants. Use one TOC entry for SImode and smaller
8700 constants, aligned properly.
8702 2001-02-08 Jason Merrill <jason@redhat.com>
8704 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
8705 about the SP adjustment for saving the static chain pointer.
8706 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
8707 offset when setting a temporary CFA register.
8709 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
8711 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
8712 powerpc-*-chorusos* .
8713 * config/rs6000/chorus.h : New file.
8714 * config/i386/chorus.h : New file.
8715 * config/sparc/chorus.h : New file.
8716 * config/sparc/t-chorus-elf : New file.
8718 2001-02-08 David Edelsohn <edelsohn@gnu.org>
8720 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
8721 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
8722 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
8723 (__WCHAR_TYPE__): Correct macro name.
8725 2001-02-08 Richard Henderson <rth@redhat.com>
8727 * config/i386/i386.c (ix86_frame_pointer_required): New.
8728 (ix86_setup_frame_addresses): New.
8729 (struct machine_funciton): Add accesses_prev_frame.
8730 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
8731 ix86_frame_pointer_required.
8732 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
8733 (SETUP_FRAME_ADDRESSES): New.
8734 * config/i386/i386-protos.h: Update.
8735 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8736 from FRAME_POINTER_REQUIRED.
8737 * config/i386/svr3gas.h: Likewise.
8738 * config/i386/sysv3.h: Likewise.
8739 * config/i386/v3gas.h: Likewise.
8741 2001-02-08 Richard Henderson <rth@redhat.com>
8743 * config/sparc/sparc.c (function_arg_record_value_3): Fix
8744 calculation of the number of integer registers required.
8745 (function_arg_record_value): Likewise.
8747 2001-02-08 Jason Merrill <jason@redhat.com>
8749 * diagnostic.c (internal_error): Say "confused" after 1 error, not
8750 two. Print file and line with "confused" message.
8752 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
8754 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8756 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
8758 2001-02-08 Bernd Schmidt <bernds@redhat.com>
8760 * final.c (cleanup_subreg_operands): The address of a MEM can
8763 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
8766 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
8768 * gcc.texi (Incompatibilities): Update documentation of
8769 preprocessing numbers.
8771 2001-02-07 Jakub Jelinek <jakub@redhat.com>
8773 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
8775 2001-02-07 Mark Mitchell <mark@codesourcery.com>
8777 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
8779 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
8780 * gcc.c (struct compiler): Add cpp_spec field.
8781 (input_file_compiler): New variable.
8782 (do_spec_1): Allow a particular compiler to handle `%C'
8784 (main): Store the current compiler in input_file_compiler.
8785 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
8787 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
8789 * cpphash.h (struct spec_nodes): Add n_true and n_false.
8790 * cppinit.c (cpp_create_reader): Initialize them.
8791 (append_include_chain): cxx_aware arg might be unused.
8792 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
8793 keywords and give them their phase 7 meaning. Pedwarn about
8794 this unless '__bool_true_false_are_defined' is defined.
8796 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8798 * lcm.c (optimize_mode_switching): Emit mode_set before the
8799 JUMP_INSN of an abnormal edge.
8801 2001-02-07 Bernd Schmidt <bernds@redhat.com>
8803 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
8804 a scheduling barrier at the end.
8806 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
8808 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8810 * config/sh/sh.md (reload_outsf): Removed.
8811 (movsf_ie): Introduce constraints for FPUL loads and stores.
8812 (reload_insf): Broaden the output constraint.
8814 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
8816 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
8817 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
8819 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
8821 * final.c: Revert my previous changes.
8822 * output.h: Make profile_label_no extern.
8823 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
8824 for generating label.
8826 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
8828 * config/i386/djgpp.h: Add comments about standard paths.
8829 (MD_EXEC_PREFIX): Undefine before defining.
8830 (MD_STARTFILE_PREFIX): New.
8832 2001-01-30 Bruce Korb <bkorb@gnu.org>
8834 fixinc/fixincl.c(process): Emit error message only if appropriate :)
8835 (load_file): do not rely on load_file_data() to close file pointer
8836 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
8837 fixinc/inclhack.def(irix_limits_const): add test_text
8839 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8841 * cppexp.c (parse_defined): Improve diagnostics for invalid
8844 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8846 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
8848 2001-02-06 Mark Mitchell <mark@codesourcery.com>
8850 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
8851 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
8852 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
8853 (rs6000_output_symbol_ref): New function.
8854 (output_toc): Use VTABLE_NAME_P.
8856 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8858 * print-tree.c (print_node, case PARM_DECL):
8859 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
8861 * stor-layout.c (reference_types_internal): New variable.
8862 (internal_reference_types): New function.
8863 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
8864 * tree.h (internal_reference_types): New declaration.
8866 * cse.c (find_best_addr): Fix typo in computing cost.
8868 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8870 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
8871 and this is the sum of a pointer and a constant, we know the result
8873 (num_sign_bit_copies, case PLUS): Likewise.
8874 * explow.c (convert_memory_address): Remove opposite SUBREG.
8875 * function.c (instantiate_new_reg): New function (from common code).
8876 (instantiate_virtual_regs_1): Call it.
8877 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
8878 if pointers sign- or zero-extend.
8879 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
8880 If pointers extend unsigned, use inside of SUBREG.
8881 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
8883 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
8885 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
8886 subdir of gcc_gxx_include_dir.
8887 (gcc_gxx_target_include_dir): Remove.
8889 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
8891 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
8892 (dwarf2out_frame_debug_expr): Revise introductory comments to add
8893 a high-level description.
8895 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
8897 * final.c: Move the declaration of profile_label_no to ...
8898 * output.h: ... here.
8899 * function.c (expand_function_start): Call PROFILE_HOOK.
8900 * config/rs6000/aix.h: Define PROFILE_HOOK.
8901 * config/rs6000/rs6000-protos.h: output_profile_hook new.
8902 * config/rs6000/rs6000.c (output_profile_hook): Define.
8903 (output_prolog): Do nothing for ABI_AIX as it is taken care by
8904 output_profile_hook.
8905 tm.texi : Explain new macro PROFILE_HOOK.
8907 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
8909 * extend.texi (Extended Asm): Do not say that semicolon is always
8910 a valid line-breaking character for GNU assemblers. Use
8911 newline-tab as the most commonly supported syntax. Use
8912 newline-tab rather than semicolon in multi-insn examples.
8914 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8916 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
8918 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8919 David Edelsohn <edelsohn@gnu.org>
8921 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
8922 code for AIX, even without flag_pic.
8924 2001-02-05 Jakub Jelinek <jakub@redhat.com>
8926 * c-typeck.c (common_type): push and pop binding level around
8927 calling common_type on function parameters.
8929 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
8931 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
8933 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8935 * config/mips/mips.c (override_options): Fix typo in last change.
8936 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
8937 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
8939 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
8941 * invoke.texi (-fdump-class-layout): Document.
8942 (-fdump-translation-unit): Use `=' as filename separator.
8944 2001-02-05 Mark Mitchell <mark@codesourcery.com>
8946 * Makefile.in (s-mlib): Don't build multilibs if
8948 (DRIVER_DEFINES): Adjust accordingly.
8950 (protoize.o): Likewise.
8951 (unprotoize.o): Likewise.
8952 * configure.in: Recognize --enable-multilib.
8954 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8956 * Makefile.in (DRIVER_DEFINES): Fix quoting.
8958 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
8959 * configure.in: Remove --enable-libstdcxx_v3 support.
8960 * configure: Regenerated.
8962 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8964 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
8965 Call abort instead of fatal.
8966 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
8967 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
8968 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
8969 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
8970 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
8971 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
8973 * diagnostic.h (set_internal_error_function): Renamed.
8974 * toplev.h (internal_error): Renamed from fatal.
8975 (pfatal_with_name): Deleted.
8976 (fatal_io_error): Now has printf-style arguments.
8977 * diagnostic.c (pfatal_with_name): Deleted.
8978 (fatal_io_error): Rework to have args in printf-style.
8979 (set_internal_error_function): Renamed from set_fatal_function.
8980 (internal_error): Renamed from fatal.
8981 (error_recursion, fancy_abort): Call internal_error instead of fatal.
8982 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
8983 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
8984 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
8985 * flow.c (verify_flow_info): Likewise.
8986 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
8987 * config/mips/mips.c (save_restore_insns): Likewise.
8989 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
8990 * flow.c (verify_flow_info): Likewise.
8991 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
8992 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
8993 (avr_normalize_condition): Likewise.
8994 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
8995 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
8996 (limit_reload_class, double_reg_to_memory): Likewise.
8997 (print_operand_address, emit_1600_code_shift): Likewise.
8998 (gen_tst_reg, gen_compare_reg): Likewise.
8999 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
9000 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
9002 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
9004 * c-parse.in (methoddef): Call fatal_error instead of fatal.
9005 * objc/objc-act.c (build_ivar_chain): Likewise.
9006 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
9008 * graph.c (clean_graph_dump_file): Likewise.
9009 * profile.c (init_branch_prob): Likewise.
9010 * objc/objc-act.c (objc_init): Likewise.
9012 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
9013 * config/avr/avr.c (avr_override_options): Likewise.
9014 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
9015 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
9016 * config/h8300/h8300.c (h8300_init_once): Likewise.
9017 * config/mips/mips.c (override_options): Likewise.
9018 * config/i386/i386.c (override_options): Likewise, rework.
9019 * config/m68k/m68k.c (override_options): Likewise.
9021 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
9023 * config/mips/mips.c (print_operand): Likewise.
9024 * hash.c (hash_allocate): Don't check for failure returns from
9025 obstack functions that can't fail.
9026 (hash_table_init_n, hash_table_init): Likewise; also now return void.
9027 * hash.h (hash_table_init_n, hash_table_init): Now return void.
9028 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
9029 (get_object_reference): Likewise.
9031 2001-02-04 Nick Clifton <nickc@redhat.com>
9033 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
9034 StrongARM1110, 10TDMI, and 1020T.
9036 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9038 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
9040 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
9042 * config/sh/sh.md (movdf load split): Pass register number to
9043 FP_OR_XD_REGISTER_P.
9045 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9047 * cppinit.c (BC): New macro.
9048 (builtin_array): Add __GXX_WEAK__.
9049 * cpplib.h (builtin_type): Add BT_WEAK.
9050 * cppmacro.c (builtin_macro): Handle BT_WEAK.
9051 * defaults.h (SUPPORTS_ONE_ONLY): Define.
9052 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
9054 2001-02-03 Jakub Jelinek <jakub@redhat.com>
9056 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
9058 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9060 * cpphash.h: Rename _ALIGN POOL_ALIGN.
9061 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9063 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9065 * cpphash.h: Rename ALIGN _ALIGN.
9066 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9068 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
9070 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
9071 compilation environment.
9072 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
9073 control over location of cygwin includes and libs.
9075 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9077 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
9079 2001-02-02 lars brinkhoff <lars@nocrew.org>
9081 * md.texi (Standard Names): remove reference to spur.md.
9083 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9085 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
9086 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
9087 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
9088 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
9089 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
9091 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9093 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
9094 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
9095 number before reload.
9096 (c4x_adjust_cost): Return zero before reload.
9097 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
9098 split before reload.
9100 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9102 * c4x.c (c4x_hard_regno_rename_ok): New.
9103 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
9104 * c4x.h (HARD_REGNO_RENAME_OK): Define.
9106 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9108 * diagnostic.h: Add missing "extern" in all declarations.
9110 2001-02-02 Alex Samuel <samuel@codesourcery.com>
9112 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
9113 as for gcc_gxx_include_dir.
9115 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
9117 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
9119 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9121 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
9122 label before alignment to be used as the braf base address.
9123 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
9125 (casesi_jump_2): Require at least TARGET_SH2.
9127 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
9128 truncation to 32-bit doubles on -m3e and -m4-single-only.
9130 2001-02-02 Mark Mitchell <mark@codesourcery.com>
9132 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
9133 the default when building a shared object.
9134 (init_spec): Use it.
9135 * testsuite/lib/g++.exp: Include the directory where libgcc
9136 is located to the LD_LIBRARY_PATH list.
9137 * invoke.texi (-shared-libgcc): Document the cases in which
9138 GCC defaults to using the shared libgcc.
9140 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9142 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
9143 unsigned is wide enough.
9145 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
9146 (si_to_float): Likewise.
9147 (float_to_si, float_to_usi): Use BITS_PER_SI.
9149 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9151 * dwarf2out.c: Added explanation of abbreviations.
9152 (def_cfa_1): Added comments listing DWARF2 instructions.
9153 (cfa_temp_reg): Removed in favor of cfa_temp.
9154 (cfa_temp_value): Removed in favor of cfa_temp.
9155 (cfa_temp): New global variable.
9156 (dwarf2out_frame_debug_expr): Added extensive introductory
9157 comments explaining the function's transformations. Revised to
9158 use cfa_temp. Added some rtx checking. Generalize IOR case.
9159 (dwarf2out_frame_debug): Revised to use cfa_temp.
9160 (output_aranges): Cast as "unsigned" to avoid warning.
9161 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
9162 explain which instructions must be marked.
9164 2001-02-01 Richard Henderson <rth@redhat.com>
9166 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
9169 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
9171 * config/sh/crt1.asm (main_k): Modified so that start calls
9172 ___setup_argv_and_call_main.
9174 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
9176 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
9177 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
9178 and AVOID_LPASTE is cleared on meeting an unescaped newline.
9179 * cppmacro.c (builtin_macro): Set builtin flags here.
9180 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
9181 (replace_args): Clarify intent.
9182 (cpp_get_token): Macro expansion tokens get the saved flags.
9184 * cppmain.c (scan_buffer): Remove now-redundant print.printed
9187 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9189 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
9192 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9194 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
9195 returns Pmode pseudo, but we need ptr_mode.
9196 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
9197 Remove bogus conversions; use HOST_WIDE_INT for size.
9198 Don't use TARGET if wrong mode.
9200 * config/i386/i386.c (ix86_compute_frame_size): Allow
9201 stack_alignment_needed to be non-default even if size is zero.
9203 2001-01-31 Alan Modra <alan@linuxcare.com.au>
9205 * pa.c (hppa_init_pic_save): New function.
9206 * pa.h (hppa_init_pic_save): Declare.
9207 * pa.md (call, call_value, sibcall, sibcall_value): Use
9208 the above instead of duplicated code.
9210 * pa.c (hppa_encode_label): Correct size of alloca buffer
9211 so we don't overrun it. Correct leading `*' case.
9212 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
9213 need to handle `*@'.
9214 (FUNCTION_NAME_P): Likewise.
9216 2001-01-31 Richard Henderson <rth@redhat.com>
9218 * config.gcc (alpha-osf5): Use float-i128.h.
9220 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
9221 * config/float-i32.h: Likewise.
9222 * config/float-i64.h: Likewise.
9223 * config/float-sh.h: Likewise.
9224 * config/float-sparc.h: Likewise.
9226 2001-01-31 DJ Delorie <dj@redhat.com>
9228 * expmed.c (extract_bit_field): allow non-integral modes if we
9229 want to extract a whole register from itself.
9231 2001-01-31 Jakub Jelinek <jakub@redhat.com>
9233 * c-typeck.c (set_init_index): If first is equal to last, assume as
9234 if it was not a range at all.
9236 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9238 * config/fp-bit.c: Include tm.h.
9239 (float_to_si): Don't assume SImode is 32-bits wide.
9240 (float_to_usi): Likewise.
9242 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
9244 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
9246 (typename): Call pending_xref_error after parsing typed_typespecs.
9247 * c-decl.c (lookup_tag): Give error immediately rather than
9248 leaving it pending if the tag of the wrong type is in the same
9250 (xref_tag): Don't pedwarn for forward declarations of enum types
9252 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
9255 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9257 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
9259 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9261 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
9262 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
9264 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9266 * cpphash.h (struct cpp_reader): New saved_flags.
9267 * cppmacro.c (cpp_get_token): Use saved_flags to remember
9268 to avoid a paste after a pasted token.
9270 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9272 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
9273 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
9274 Wtype_MIN instead of LONG_MIN.
9276 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9278 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
9280 * fixinc/fixincl.x: Regenerated.
9281 * fixinc/inclhack.def (irix_limits_const): New definition to
9282 convert "const" to "__const" in limits.h.
9284 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9286 * fixinc/genfixes (AG): Fix "autogen4" thinko.
9288 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9290 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
9291 when register dies in the insn.
9293 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9295 * diagnostic.c (fatal): Fix word wrap.
9297 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
9299 * combine.c (try_combine): Fix SUBREG setting for
9300 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
9302 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9304 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
9307 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9309 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
9311 * toplev.c (decode_W_option): Update warn_larger_than
9312 unconditionally for each processed switch.
9314 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
9316 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
9318 (hppa_expand_prologue): Delete code to save pic offset table register
9319 in the function prologue.
9320 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
9321 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
9322 table register at the beginning of the function after the prologue.
9324 2001-01-29 lars brinkhoff <lars@nocrew.org>
9326 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
9328 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
9329 Jeff Law <law@redhat.com>
9331 * pa.md (return): Revise comment for trivial return.
9332 (return_internal): Non-trivial return pattern for non-PIC code.
9333 (return_internal_pic): Non-trivial return pattern for PIC code.
9334 It uses the PIC register to ensure it is restored after
9336 (epilogue): Generate appropriate return for PIC and non-PIC code.
9338 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
9340 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
9342 2001-01-29 DJ Delorie <dj@redhat.com>
9344 * combine.c (if_then_else_cond): Pass the correct mode to
9345 operand_subword() for constants.
9347 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
9349 * config/i386/cygwin.h: Add w32api to include search. Search different
9350 directories in a cross-build environment.
9352 2001-11-29 Tim Josling <tej@melbpc.org.au>
9354 * tree.h (TYPE_STUB_DECL): Add documentation.
9356 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
9358 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
9359 (sdbout_field_types): Likwise. Fix use of host_integerp.
9361 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
9363 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
9366 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
9368 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
9369 to use flag_gnu_linker.
9371 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
9373 * cpplib.c (T_BAD_DIRECTIVE): Remove.
9374 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
9376 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
9378 * tree.c, tree.h (build_parse_node): Remove; was identical to
9380 * c-lang.c (start_cdtor), objc/objc-act.c
9381 (build_module_descriptor): Use build_nt instead of
9384 2001-01-29 Jakub Jelinek <jakub@redhat.com>
9386 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
9387 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
9388 not have any upper bits set.
9390 2001-01-29 Phil Edwards <pme@sources.redhat.com>
9392 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
9394 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9396 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
9398 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
9400 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
9401 (integer_minus_one_node): Define.
9403 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
9405 * Makefile.in (bootstrap2-lean): Fix typo.
9407 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
9409 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
9410 : Don't set fe_value.
9411 * cpplib.h (AVOID_LPASTE): New flag.
9412 (struct cpp_hashnode): Remove fe_value.
9413 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
9414 * cppmacro.c (builtin_macro): Don't set flags here.
9415 (replace_args): Set AVOID_LPASTE flag on first token of an
9416 argument, and the token following it.
9417 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
9418 macro expansion, and on the token following it. Do it for
9420 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
9422 2001-01-27 Richard Henderson <rth@redhat.com>
9424 * config/alpha/t-ieee: Remove multilibbing.
9425 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
9427 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9429 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
9431 * Makefile.in: Remove all dependencies on defaults.h.
9432 * builtins.c: Don't include defaults.h.
9433 * c-common.c: Likewise.
9434 * c-decl.c: Likewise.
9435 * c-pragma.c: Likewise.
9436 * c-typeck.c: Likewise.
9437 * combine.c: Likewise.
9439 * frame-ia64.c: Likewise.
9440 * cppexp.c: Likewise.
9441 * crtstuff.c: Likewise.
9442 * dbxout.c: Likewise.
9443 * dwarf2out.c: Likewise.
9444 * dwarfout.c: Likewise.
9445 * emit-rtl.c: Likewise.
9446 * except.c: Likewise.
9448 * final.c: Likewise.
9449 * frame-dwarf2.c: Likewise.
9450 * libgcc2.c: Likewise.
9451 * optabs.c: Likewise.
9452 * profile.c: Likewise.
9453 * sdbout.c: Likewise.
9454 * toplev.c: Likewise.
9455 * tradcif.y: Likewise.
9457 * varasm.c: Likewise.
9459 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9461 * builtins.c (expand_builtin_fputs): Use size_one_node when
9462 transforming into fwrite.
9464 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
9466 * extend.texi (Attribute Syntax): New section.
9468 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9470 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
9471 they didn't need fixing.
9473 2001-01-27 Janis Johnson <janis@us.ibm.com>
9475 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
9477 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
9478 to remove macro definitions that are duplicated from elfos.h.
9480 2001-01-27 Richard Henderson <rth@redhat.com>
9482 * config/i386/sco5gas.h: Move ...
9483 * config/usegas.h: ... here.
9484 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
9486 2001-01-27 Jakub Jelinek <jakub@redhat.com>
9488 * c-typeck.c (struct constructor_stack): Add range_stack member.
9489 (really_start_incremental_init): Clear it.
9490 (push_init_level): Save constructor_range_stack and clear it if
9491 pushing explicit braces.
9492 (pop_init_level): abort if constructor_range_stack is non-zero at
9493 explicit closing brace. Restore saved constructor_range_stack if
9496 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9498 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
9499 into register was forced into memory.
9501 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9503 * Makefile.in: Remove uses of + before $(MAKE).
9505 2001-01-26 Richard Henderson <rth@redhat.com>
9507 * stmt.c (cost_table): Remove.
9508 (COST_TABLE, cost_table_initialized): New.
9509 (estimate_case_costs): Use the later instead of the former.
9510 (balance_case_nodes): Likewise.
9512 2001-01-26 Richard Henderson <rth@redhat.com>
9514 * alias.c (objects_must_conflict_p): Read-only slots may not
9515 conflict despite having the same type.
9517 2001-01-27 Michael Hayes <mhayes@redhat.com>
9519 * loop.c (loop_giv_reduce_benefit): Copy mode size into
9521 (check_ext_dependant_givs): Initialise u_start_val and
9523 (load_mems): Make last_max_reg unsigned.
9524 (try_swap_copy_prop): Use INSN_P and initialise set.
9526 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
9528 * README.AVR : Removed.
9530 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
9532 * pa-64.h (text_section): Remove declaration.
9534 * pa.md (return_internal): Remove mode on PIC register use.
9536 2001-01-25 lars brinkhoff <lars@nocrew.org>
9538 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
9539 ASM_CLOSE_PAREN): fix typos.
9541 2001-01-25 Mark Mitchell <mark@codesourcery.com>
9543 * acconfig.h: Define `const' to the empty string if neither
9544 __STDC__ nor __cplusplus is defined.
9545 * config.in: Regenerated.
9547 2001-01-25 David Edelsohn <edelsohn@gnu.org>
9549 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
9550 * collect2.c (main): Delete importf. Add ".obj" file extension.
9551 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
9552 (aix_std_libs): Add additional AIX libraries to skip.
9553 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
9554 * config/rs6000/aix51.h: New file.
9556 2001-01-25 Michael Hayes <mhayes@redhat.com>
9558 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
9559 (loop_insn_emit_before): No longer static.
9560 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
9561 (loop_givs_rescan, load_mems): Likewise.
9562 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
9563 (maybe_eliminate_biv_1):
9564 (move_movables): Replace emit_call_insn_before with
9565 loop_call_insn_hoist.
9566 * loop.h (loop_insn_emit_before): Add.
9567 * unroll.c (copy_loop_body): Replace emit_insn_before with
9568 loop_insn_emit_before.
9570 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
9572 * diagnostic.c (fatal): Request preprocessed source.
9574 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
9576 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
9577 olddecl has argument types and newdecl has none, use the argument
9580 2001-01-24 Ulrich Drepper <drepper@redhat.com>
9582 * dwarf2out.c (prefix_of): New function. Determine longest common
9583 prefix of the two arguments. The units are whole path components.
9584 (output_file_names): When adding a new directory find the one entry
9585 with the longest common prefix already in the list. Artificially
9586 generate entry if there is none for this prefix.
9587 Fix test to check whether the zeroth directory entry is used.
9589 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
9591 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
9592 Changed all callers. Take it into account when deciding if a
9593 previously loaded value matches.
9595 2001-01-24 Richard Henderson <rth@redhat.com>
9597 * reload.c (find_reloads_subreg_address): Fail the substitution
9598 if the resulting address is insufficiently aligned.
9600 2001-01-24 DJ Delorie <dj@redhat.com>
9602 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
9603 check the original operand's mode also.
9604 * simplify-rtx.c (simplify_ternary_operation): Ditto.
9606 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9608 * c-parse.in (cast_expr): Move compound literals from here ...
9609 (primary): ... to here. Use standard terminology "compound
9610 literal" instead of "constructor expression".
9612 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9614 * gcc.1, cpp.1: Regenerate.
9616 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
9618 * calls.c (emit_library_call_value_1): Memory slot for
9619 pass-by-reference argument should have the mode of the argument,
9620 not of the pointer to it.
9622 2001-01-24 Tom Tromey <tromey@redhat.com>
9624 * gcc.texi (G++ and GCC): Mention gcj manual.
9625 (Standards): Link to section of manual mentioning gcj/Java
9628 2001-01-24 Jakub Jelinek <jakub@redhat.com>
9630 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
9631 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
9632 * tradcpp.c (main): Add -imacros or -include'd dependencies
9634 * cpp.texi (-M, -MM): Document -M -include behaviour.
9636 2001-01-24 Roger Collins <roger@ProProject.com>
9638 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
9640 2001-01-24 Will Cohen <wcohen@redhat.com>
9642 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
9643 whether registers are 32 bits or 64 bits in size.
9645 2001-01-24 Ben Elliston <bje@redhat.com>
9647 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
9649 2001-01-24 Richard Henderson <rth@redhat.com>
9651 * config/alpha/alpha.md (builtin_longjmp_internal): New.
9652 (builtin_longjmp): Use it instead of emit_indirect_jump.
9654 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
9656 * bb-reorder.c (make_reorder_chain_1): Handle case where
9657 jump edge goes to the same block as the fallthru edge.
9659 2001-01-23 Jim Wilson <wilson@redhat.com>
9661 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9662 * frame.h (__ia64_personality_v1): Add prototype.
9663 * libgcc2.c (ia64_throw_helper): Change personality declaration to
9664 prototype form. Add void * cast to first argument to personality
9666 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
9667 (asctoe113): Likewise.
9668 * config/ia64/frame-ia64.c: Include eh-common.h.
9669 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
9671 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
9673 (itanium_split_issue): Add prototype.
9674 (gen_nop_type): Ifdef out.
9675 (find_best_packet): Initialize best_packet.
9676 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
9678 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
9679 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
9680 (flushrs): Add explicit stop bit at end.
9681 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
9684 2001-01-23 Chris Demetriou <cgd@broadcom.com>
9686 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
9688 * libgcc2.c (__terminate_func): Make variable static.
9689 (__terminate_set_func): New function to set __terminate_func.
9690 * libgcc2.h (__terminate_func_ptr): New typedef.
9691 (__terminate_set_func): New function.
9693 2001-01-23 Richard Henderson <rth@redhat.com>
9695 * flow.c (init_propagate_block_info): Don't consider unchanging
9696 memories for dead frame store elimination.
9698 2001-01-23 Richard Henderson <rth@redhat.com>
9700 * varasm.c (UNIQUE_SECTION): Move default implementation ...
9701 * defaults.h: ... here.
9703 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9705 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
9707 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
9709 * c-lex.c (lex_charconst): Fix typo: s/p/str.
9711 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9713 * rs6000.h (rs6000_return_addr): Move prototype from here...
9714 * rs6000-protos.h (rs6000_return_addr): ...to here.
9715 (rs6000_init_expanders): Delete prototype.
9717 2001-01-23 Nick Clifton <nickc@redhat.com>
9719 * invoke.texi: Replace , with \, inside @gccoptlist macros.
9720 (Spec Files): Document %B and %j and %. and %v3 and %M and
9721 %{S*&T} spec switches.
9723 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9725 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
9727 2001-01-23 Chris Demetriou <cgd@sibyte.com>
9728 Neil Booth <neil@daikokuya.demon.co.uk>
9730 * cpperror.c: Merge handlers of PEDWARN and WARNING.
9731 Have -Werror make pedantic warnings errors, like the
9734 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9736 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
9738 2001-01-23 Jakub Jelinek <jakub@redhat.com>
9740 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
9741 * integrate.c (expand_inline_function): Initialize them.
9742 (subst_constants): If changing COMPARE so that both its arguments
9743 will be VOIDmode and the comparison mode will be lost, note
9744 compare_mode. Use the recorded compare_mode to optimize
9747 2001-01-23 Jason Merrill <jason@redhat.com>
9749 * dwarf2out.c (new_die): Use xcalloc.
9750 (output_die): Abort rather than emit a local reference to offset 0.
9752 2001-01-17 Andrew Haley <aph@redhat.com>
9754 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
9755 of a saved register; return NULL instead.
9756 (copy_reg): Take a pointer to a source register rather than a
9758 (next_stack_level): Remember the address in the stack frame of all
9760 Use the saved register pointer array as the source of the CFA.
9761 (throw_helper): Rewrite. Unwind once rather than twice and keep
9762 track of saved registers as we go.
9764 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9766 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
9767 * c4x.c (c4x_legitimize_reload_address): Remove.
9768 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
9769 reload address for ldp(k) insn.
9771 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
9773 * pa.md (return_internal): Add a USE of the PIC register to ensure
9774 it is restored after each call.
9775 (return expander): Corresponding changes.
9777 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9779 * rs6000.h (INIT_EXPANDERS): Delete.
9780 (RETURN_ADDR_RTX): Call rs6000_return_addr().
9781 * rs6000.c (rs6000_override_options): Call *_machine_status from
9783 (rs6000_init_expanders): ...instead of here. Delete.
9784 (rs6000_mark_machine_status): New function.
9785 (rs6000_init_machine_status): Use xcalloc.
9786 (rs6000_return_addr): Generate RTX for the return address.
9787 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
9788 (rs6000_stack_info): Use it.
9790 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
9792 * gthr-win32.h: Include errno.h to get a declaration for
9793 EINVAL and _mingw.h if the target is mingw32.
9795 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9797 * cpp.texi: Correct typos.
9799 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9801 * explow.c (probe_stack_range): Ensure value passed to
9802 stack_check_libfunc is ptr_mode, not Pmode.
9804 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
9806 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
9807 case, don't use operand_subword to calculate a SUBREG that is
9810 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
9812 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9814 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
9815 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
9816 valid. If not replace it by equivalent insns.
9818 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9820 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
9821 contains SYMBOL_REF, LABEL_REF and CONST_INT.
9822 (c4x_U_constraint, symbolic_address_operand): Likewise.
9823 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
9825 (c4x_r11_set_p, c4x_check_laj_p): New functions.
9826 * c4x-protos.h (c4x_check_laj_p): Add prototype.
9827 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
9828 anulling slot because of silicon bug.
9829 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
9831 2001-01-22 Alan Modra <alan@linuxcare.com.au>
9833 * cppexp.c (parse_charconst): Change `mask' type to agree
9836 2001-01-21 Richard Henderson <rth@redhat.com>
9838 * config/i386/i386.c (ix86_asm_file_end): Disable putting
9839 pic_label_name in a linkonce section.
9841 2001-01-17 Philipp Thomas <pthomas@suse.de>
9843 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
9845 * configure: Regenerate.
9847 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
9849 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
9850 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
9852 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
9854 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9855 If REVERSE nonzero then condition code in X must be reversed.
9856 (encode_section_info): Optimise if/else.
9857 (avr_function_value): Fix formatting.
9859 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9860 (difficult_branch): Likewise.
9861 (rvbranch): Likewise.
9862 (difficult_rvbranch): Likewise.
9864 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
9866 * config/avr/libgcc.S: Fix comment.
9868 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9870 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
9872 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9874 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
9876 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9878 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
9879 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
9880 * configure, config.in: Regenerate.
9881 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
9882 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
9883 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
9884 (doprint.o): New rule.
9886 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
9888 * c-typeck.c (digest_init): Handle boolean types as scalars.
9890 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9892 * stmt.c (expand_return): Don't return anything if size is zero.
9893 Delete redundant assignment to BYTES.
9894 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
9896 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
9898 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
9899 the same as the default library function names.
9900 * config/avr/avr.md: Document special characters after '%'.
9901 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
9902 knowing which of the call-used registers are really clobbered.
9903 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
9904 New. Both quotient and remainder from one libgcc.S call.
9905 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
9906 clobber as few registers as possible.
9907 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
9909 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
9911 * cppmacro.c (funlike_invocation_p): Don't move back up to the
9912 context of the top of the stack.
9914 2001-01-20 Jakub Jelinek <jakub@redhat.com>
9916 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
9917 (fixup_var_refs_insns): ...here.
9919 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
9921 * function.c (fixup_var_refs_insns): Break up into
9922 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
9923 [loop over entire insn list], and fixup_var_refs_insns_with_hash
9924 [loop over hash table entries].
9925 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
9926 fixup_var_refs_insns_with_hash, to match above changes.
9928 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
9930 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
9931 (libgcc.a): Likewise.
9932 (stmp-multilib): Likewise.
9933 (STAGE2_FLAGS_TO_PASS): Likewise.
9935 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
9937 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
9938 temporary if no_new_pseudos.
9940 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
9942 * cppinternals.texi: Update.
9944 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
9946 * arm.c (arm_init_builtins): Re-enable builtins.
9948 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9950 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
9951 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
9952 element to be null, and always expect an EXPR_LIST.
9953 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
9954 * sched-deps.c (sched_analyze_1): Likewise.
9955 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9957 * regclass.c (max_set_parallel): New variable.
9958 (reg_scan): Take it into account in computation of max_parallel.
9959 (reg_scan_mark_refs, case SET): Compute it.
9961 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
9963 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
9964 * function.c (assign_parms): Use INTVAL for a CONST_INT.
9966 2001-01-19 Jason Merrill <jason@redhat.com>
9968 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
9969 for the abstract instance of an inline function.
9971 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
9972 J"orn Rennecke <amylaar@redhat.com>
9974 * reload1.c (move2add_note_store): Treat all registers directly or
9975 indirectly derived from a base register as members of the same set
9977 (reload_cse_move2add): Adjust accordingly. Take mode and offset
9978 of base register into account.
9980 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
9982 * alias.c (find_base_value): Recognize TRUNCATE.
9983 (record_set): In PLUS case, invalidate if other summand is also a
9986 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9988 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
9989 entry to be EXPR_LIST.
9990 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
9991 be an EXPR_LIST (but not null, which other code doesn't allow).
9992 (note_stores): Properly handle PARALLEL in SET.
9993 Recursively call for top-level PARALLEL.
9994 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
9995 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9997 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
9999 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
10001 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
10002 not pfile->skipping (== 0).
10004 2001-01-17 Nick Clifton <nickc@redhat.com>
10006 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
10009 2001-01-17 Jim Wilson <wilson@redhat.com>
10011 * invoke.texi (IA-64 options): Improve.
10013 2001-01-17 Tom Tromey <tromey@redhat.com>
10015 * invoke.texi (Optimize Options): Use `{}' to around @samp
10018 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
10020 * invoke.texi (-fno-guess-branch-probability): New option.
10022 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10024 * combine.c (try_combine): Don't set i3_subst_into_i2 for
10025 case of making new double-word constant.
10026 Revert last change: instead just test i3_subst_into_i2.
10028 2001-01-17 Jakub Jelinek <jakub@redhat.com>
10030 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
10031 Use q constraints instead of r.
10033 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
10035 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
10036 (machine_function): Define.
10037 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
10038 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
10039 pa_free_machine_status): New functions.
10040 (override_options): Set {init,mark,free}_machine_status to above.
10041 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10042 PIC_OFFSET_TABLE_REGNUM_SAVED.
10043 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10044 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
10045 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
10046 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
10047 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10049 2001-01-15 DJ Delorie <dj@redhat.com>
10051 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
10055 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10057 * flow.c (propagate_one_insn): Make trying to delete a prologue
10058 or epilogue insn an ICE, not a warning. Allow doing this if
10059 the current function returns with stack pointer depressed.
10061 * combine.c (try_combine): If i3_subst_into_i2, properly check for
10062 I3 having more than one SET.
10064 2001-01-16 Jim Wilson <wilson@redhat.com>
10066 * invoke.texi: Document IA-64 options.
10068 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
10069 (fixup_errata): Delete TARGET_A_STEP use.
10070 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
10071 (TARGET_SWITCHES): Delete -ma-step option.
10072 * config/ia64/ia64.md (all FP patterns): Delete %B0.
10073 (movqicc_astep, movqi_internal_astep, movhicc_astep,
10074 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
10075 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
10076 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
10077 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
10079 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
10080 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
10081 cmovsi_internal): Delete ! TARGET_A_STEP check.
10083 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10085 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
10086 possibility to report bugs via postal mail. Change a URL and
10087 merge in a nearly duplicate statement...
10088 (Bug Reporting): ...from here.
10089 (Service): Refer to the Bug Reporting section instead of
10090 duplicating an URL.
10091 (Contributing): Remove trivial explanations concerning snapshots.
10093 2001-01-16 Alan Modra <alan@linuxcare.com.au>
10095 * cppmain.c (general_init): Don't use ANSI prototype.
10097 2001-01-16 Tom Tromey <tromey@redhat.com>
10099 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
10101 2001-01-16 Richard Henderson <rth@redhat.com>
10103 * config/i386/i386.h: Fix comment typo.
10104 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
10105 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
10107 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10109 * gcc.c: Revert previous -fsyntax-only-related change; move
10112 2001-01-16 Jakub Jelinek <jakub@redhat.com>
10114 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
10115 inmode after checking GET_CODE (op).
10117 2001-01-16 Richard Henderson <rth@redhat.com>
10119 * flow.c (struct propagate_block_info): Add mem_set_list_len.
10120 (MAX_MEM_SET_LIST_LEN): New.
10121 (propagate_one_insn): Update mem_set_list_len.
10122 (invalidate_mems_from_autoinc): Likewise.
10123 (invalidate_mems_from_set): Likewise.
10124 (mark_used_regs): Likewise.
10125 (init_propagate_block_info): Likewise. Stop collecting memories
10126 when we reach MAX_MEM_SET_LIST_LEN.
10127 (mark_set_1): Likewise.
10129 2001-01-16 Richard Henderson <rth@redhat.com>
10131 * unroll.c (precondition_loop_p): Fail if no iteration
10134 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10136 * gcc.c: When -fsyntax-only is given, do not complain about
10139 2001-01-15 Richard Henderson <rth@redhat.com>
10141 * config/i386/i386.c (asm_output_function_prefix): Remove.
10142 (ix86_asm_file_end): New.
10143 (load_pic_register): Generate pic_label_name into a
10144 staticly allocated buffer.
10145 * config/i386/i386-protos.h: Update.
10146 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
10147 (ASM_FILE_END): New.
10148 * config/i386/i386afe.h: New file.
10149 * config.gcc (i?86-*-elf) [tm_file]: Use it.
10150 (i?86-*-{freebsd,linux*,moss*}): Likewise.
10151 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
10152 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
10153 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
10154 * config/i386/sco5.h (ASM_FILE_END): Likewise.
10155 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
10157 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
10159 * Makefile.in (install-man): Remove explicit dependency on
10162 * configure.in, configure: Revert previous patch requiring perl
10165 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
10167 * toplev.c (flag_guess_branch_prob): New.
10168 (f_options): Add guess-branch-probability option.
10169 (rest_of_decl_compilation): Only estimate branch probability if
10171 (main): set flag_guess_branch_prob.
10173 * flags.h (flag_guess_branch_prob): New.
10175 2001-01-15 DJ Delorie <dj@redhat.com>
10177 * gcc.texi (Makefile): Add documentation for Makefile targets.
10179 2001-01-15 Philip Blundell <philb@gnu.org>
10181 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
10183 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
10184 (is_pic): Delete declaration.
10185 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
10186 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
10187 * config/arm/arm.md (builtin_setjmp_receiver): New.
10189 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10191 * arm.c (use_return_insn): Don't try to determine the function type
10192 until after reload has completed.
10193 (arm_output_epilogue): Don't adjust the sp value recovered from the
10195 (emit_multi_reg_push): Don't record dwarf information for the pc.
10196 * arm.md (eh_epilogue): The function type may have changed, so it
10197 needs to be recalculated.
10198 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
10199 unwind tables on arm/netbsd.
10201 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10203 * arm.md (cbranchsi4): Correct calculation of branch ranges.
10204 (negated_cbranchsi4): Likewise.
10206 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10208 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
10209 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10210 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
10211 pass -mapcs-* options to assembler.
10212 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
10213 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10214 (ASM_SPEC): Call subtarget_extra_asm_spec.
10216 2001-01-15 Andreas Jaeger <aj@suse.de>
10218 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
10220 (ix86_expand_builtin): Likewise.
10222 * gencodes.c (output_predicate_decls): Make i size_t to avoid
10223 warning about comparison between signed and unsigned.
10225 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10227 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
10229 2001-01-14 Ralf Baechle <ralf@gnu.org>
10231 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
10232 SUBTARGET_CPP_SPEC apropriatly.
10234 2001-01-12 Mark Mitchell <mark@codesourcery.com>
10236 * varasm.c (make_decl_rtl): Fix typo in last change.
10238 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
10240 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
10241 linker supports the init_priority C++ attribute.
10242 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
10243 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
10244 linker does not support init_priority C++ attribute.
10246 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
10248 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
10250 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10252 * c-parse.in (finish_parse): Add comment about cpp_destroy.
10253 * cp/lex.c (finish_parse): Similarly.
10254 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
10255 Return the number of errors encountered.
10256 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
10257 * cppmain.c (main): Don't call cpp_destroy.
10259 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
10261 * configure.in: Require at least perl 5.6.0 to regenerate
10263 * configure: Regenerate.
10265 2001-01-14 Richard Henderson <rth@redhat.com>
10267 * genrecog.c (DT_veclen_ge): New.
10268 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
10269 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
10270 (nodes_identical_1): Handle DT_veclen_ge.
10271 (write_cond, debug_decision_2): Likewise.
10273 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10275 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
10277 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
10279 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10281 * cppmain.c (do_preprocessing): New function; most of the old
10283 (main): Call it to do most of the work.
10284 (cb): Move from global scope to set_callbacks ().
10285 (setup_callbacks): Get the callback pointer.
10286 (general_init, printer_init): Clean up code and comments.
10288 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10290 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
10293 2001-01-14 Kazu Hirata <kazu@hxi.com>
10295 * config/h8300/h8300.c (get_shift_alg): Update comments.
10297 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10299 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
10300 (alloc_page, ggc_alloc): Add casts to remove warnings.
10302 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10304 * combine.c (simplify_comparison): Don't change `code' when
10305 can't reverse comparison.
10307 2001-01-14 Richard Henderson <rth@redhat.com>
10309 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
10310 update all call sites. Return true for all non-label constants.
10312 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
10314 * i386.c (ix86_expand_compare): Add bypass_test and second_test
10316 (ix86_expand_branch): Update.
10317 (ix86_expand_setcc): Update to handle multiple test conditions.
10318 (expand_int_movcc): Likewise.
10319 (expand_fp_movcc): Likewise.
10320 * i386-protos.h (ix86_expand_compare): New.
10321 * i386.md (andqi_?_slp, orqi_?_slp): New.
10322 (conditional trap expander): Update call to ix86_expand_compare.
10324 2001-01-14 Richard Henderson <rth@redhat.com>
10326 * config/vax/vax.md: Use nonimmediate_operand instead of
10327 general_operand in destinations.
10329 * config/vax/vax.md (indirect_jump): Use register_operand.
10331 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
10332 * config/vax/vax.md (call_pop): Turn into an expander.
10333 (call_value_pop): Likewise.
10334 (call, call_value): New.
10336 2001-01-14 Andreas Jaeger <aj@suse.de>
10338 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
10340 (ix86_fp_compare_mode): Add unused attribute.
10341 (ix86_expand_fp_movcc): Remove unused variable.
10342 (ix86_expand_builtin): Make fcode unsigned.
10344 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
10345 (expand_expr): Add cast to avoid signed warning.
10346 (store_field): Likewise.
10347 (store_constructor_field): Likewise.
10348 (store_constructor): Likewise.
10349 (store_expr): Likewise.
10350 (clear_storage): Likewise.
10351 (emit_group_store): Likewise.
10352 (emit_group_load): Likewise.
10354 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10356 * c-common.c: Move format checking code to ...
10357 * c-format.c: ... here. New file. Reorder some functions and
10359 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
10361 * c-common.h (decl_handle_format_attribute,
10362 decl_handle_format_arg_attribute): Declare.
10363 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
10364 (c-common.o): Adjust dependencies.
10365 (c-format.o): New list of dependencies.
10367 2001-01-13 Jakub Jelinek <jakub@redhat.com>
10369 * unroll.c (loop_iterations): If we cannot prove iteration variable
10370 is set once in each iteration, punt.
10372 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
10374 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
10375 (*strlenhi): Remove clobber (which was buggy) of output address.
10377 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10379 * Makefile.in (generated-manpages): Add gcc.1
10380 ($(srcdir)/gcc.1): New target.
10381 (maintainer-clean): Delete $(srcdir)/gcc.1.
10382 * gcc.texi: Add macros @gccoptlist and @gol.
10383 * invoke.texi: Include option summary in manpage. Mark up option
10384 summary with @gccoptlist and @gol. Use @r in one place where
10386 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
10387 * gcc.1: Generate from invoke.texi.
10389 2001-01-13 Richard Henderson <rth@redhat.com>
10391 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
10392 (struct page_entry): Add group member.
10393 (struct page_group): New.
10394 (struct globals): Add page_groups member.
10395 (alloc_anon): Only define for using mmap; remove valloc call.
10396 (page_group_index): New.
10397 (set_page_group_in_use): New.
10398 (clear_page_group_in_use): New.
10399 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
10400 (free_page, release_pages): Likewise.
10401 * configure.in (with-gc): Default to ggc-page always.
10403 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10405 * reload1.c (replace_pseudos_in_call_usage): Use
10406 reg_equiv_constant and reg_equiv_address, and don't try
10407 regno_reg_rtx first.
10409 2001-01-13 Richard Henderson <rth@redhat.com>
10411 * ggc-page.c (alloc_page): Round up allocation size to one page.
10412 Set e->order on extra pages.
10414 2001-01-13 Richard Henderson <rth@redhat.com>
10416 * genrecog.c (nodes_identical): Expand commentary.
10417 (write_switch): Watch out for identical nodes.
10419 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10421 * cppfiles.c (_cpp_fake_include): New function.
10422 * cpphash.h (_cpp_fake_include): New.
10423 * cpplib.c (do_line): Call _cpp_fake_include when entering
10424 header files in preprocessed input.
10425 * cppmain.c (cb_pragma_implementation): Remove handling.
10426 (setup_callbacks): Don't register pragmas.
10428 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10430 * extend.texi: Udate for CPP.
10432 2001-01-13 Andreas Jaeger <aj@suse.de>
10434 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
10436 * regmove.c: Add prototype for replace_in_call_usage.
10438 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10440 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
10441 struct cpp_chunk, struct htab, struct toklist,
10442 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
10443 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
10444 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
10445 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
10446 (struct macro_args): Delete.
10447 * cpphash.h: See above.
10449 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10451 * cppmain.c (struct printer): Remove no_line_dirs.
10452 (options, cb): New.
10453 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
10454 : Use options rather than CPP_OPTION.
10455 (setup_callbacks): Use cb rather than pfile->cb.
10456 (main): No need to check for a buffer. Use cpp_errors.
10457 (printer_init): Don't set no_line_dirs.
10458 (maybe_print_line): Use options not no_line_dirs.
10459 (cb_file_change): Don't call print_line if -P.
10461 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10463 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
10465 * c-parse.in (finish_parse): Use cpp_errors.
10466 (__yylex): Use return value of cpp_pop_buffer.
10467 * cp/lex.c (finish_parse): Use cpp_errors.
10468 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
10470 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
10472 * README.AVR: URLs corrected.
10474 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10476 * c-decl.c (start_function): Don't warn if old prototype is builtin
10477 that's not in C's namespace.
10478 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
10479 (_bb): Add prototype for ctime.
10480 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
10482 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
10484 * i386.c (ix86_fp_comparison_arithmetics_cost,
10485 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
10486 ix86_fp_comparison_cost): New functions.
10487 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
10488 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
10489 two-branch sequences; make static.
10490 (ix86_use_fcomi_compare): Do decision according to the costs.
10491 (split_fp_branch): New.
10492 * i386.md (compare-and-branch patterns): Use split_fp_branch.
10493 * i386-protos.h (ix86_expand_fp_compare): Remove
10494 (ix86_split_fp_branch): Declare.
10496 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
10497 and ix86_comparison_operator.
10499 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
10500 to make it cheaper.
10502 * i386.c (put_condition_code): Output properly the unordered/ordered
10503 compares in fp case.
10504 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
10506 * tm.texi (REVERSE_CONDITION): Document.
10507 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
10508 in -ffast-math mode.
10509 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
10511 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10513 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
10515 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
10518 * config/sh/sh.c (mova_p): Fix test for mova_const.
10520 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10522 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
10523 cpp_get_options rather than dereferencing pfile and using
10525 * scan-decls.c (scan_decls): Use return value of
10526 cpp_pop_buffer rather than CPP_BUFFER.
10528 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10530 * cppinit.c (cpp_handle_option): help_only is now part of the
10531 cpp_options structure.
10532 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
10533 cpp_set_callbacks): New functions.
10534 * cpplib.h (cpp_callbacks): Break out as a named structure.
10535 (cpp_options): Move help_only here from cpp_reader.
10536 (CPP_FATAL_ERRORS): Update to use cpp_errors.
10537 (cpp_errors, cpp_get_options, cpp_get_callbacks,
10538 cpp_set_callbacks): New prototypes.
10539 * cppmain.c (main): Update for help_only.
10541 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10543 * Makefile.in (info, maintainer-clean, install-info, uninstall):
10544 Also build and remove and install and uninstall c-tree.info and
10546 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
10547 ($(srcdir)/cppinternals.info): New target.
10548 * c-tree.texi: Change file name used when makeinfo used without -o
10549 from ir.info to c-tree.info. Add info directory entry.
10550 * cppinternals.texi: Add info directory entry.
10551 * .cvsignore: Update.
10553 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10555 * c-typeck.c (store_init_value): Don't require constant initializer
10556 elements with -pedantic -std=c99.
10557 (digest_init): Change error about non-constant initializer elements
10559 (constructor_range_end): Remove.
10560 (constructor_incremental, designator_depth,
10561 designator_errorneous): New variables.
10562 (struct constructor_stack): Remove range_end, add incremental.
10563 (struct constructor_range_stack, constructor_range_stack): New.
10564 (struct initializer_stack): Add constructor_range_stack.
10565 (finish_init): Set it.
10566 (start_init): Likewise. require_constant_elements for non-static
10567 trees only if not flag_isoc99.
10568 (really_start_incremental_init): Remove constructor_range_end, add
10569 constructor_incremental.
10570 (pop_init_level): Likewise.
10571 (push_init_level): Likewise. If implicit and the subobject had some
10572 value set already, preinitialize the level with it.
10573 Warn about missing braces only if not pushing due to designators.
10574 (set_designator, push_range_stack): New functions.
10575 (set_init_label): Use them.
10576 (set_init_index): Likewise. Remove constructor_range_end.
10577 Error if designator index is outside of array bounds.
10578 (add_pending_init): Compare values of purpose index trees, not the
10579 trees themselves. Allow overwriting of already initialized element.
10580 Issue a warning if it had side-effects.
10581 (set_nonincremental_init, set_nonincremental_init_from_string): New
10583 (pending_init_member): Rename to...
10584 (find_init_member): ...this function. Call set_nonincremental_init
10585 if necessary. Compare values of purpose index trees, not the trees
10586 themselves. Return the actual value, not just non-zero if something
10588 (output_init_element): Remove checks for duplicates.
10589 If field has zero size, only check the initializer for correctness.
10590 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
10591 if constructor_incremental is zero. Change error about initializers
10592 not computable at load time into pedwarn.
10593 (output_pending_init_elements): Compare bit positions, not
10594 FIELD_DECLs to take into account zero-sized fields.
10595 (process_init_element): Use constructor_range_stack to fill all
10596 ranges in the designator lists from current level up.
10597 * extend.texi: Update documentation for labeled elements.
10599 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
10601 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
10602 to function usage for arguments passed by reference. Optimize
10603 callee-copied arguments.
10604 * regmove.c (replace_in_call_usage): New function.
10605 (fixup_match_1): Call it.
10606 * cse.c (cse_insn): Canonicalize registers in function usage.
10607 * reload1.c (replace_pseudos_in_call_usage): New function.
10610 * Makefile.in: Reverted yesterday's wrong patch. Installed the
10613 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10615 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
10618 2001-01-12 DJ Delorie <dj@redhat.com>
10620 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
10621 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
10624 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10626 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
10627 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
10628 -std options alongside references to -ansi. Update some
10629 documentation for C99.
10630 * cpp.1: Regenerate.
10632 2001-01-12 Andreas Jaeger <aj@suse.de>
10634 * haifa-sched.c (restore_line_notes): Remove argument block B
10636 * sched-ebb.c (schedule_ebb): Change caller.
10637 * sched-rgn.c (schedule_region): Likewise.
10638 * sched-int.h (restore_line_notes): Adjust prototype.
10640 * loop.h: Remove wrong declaration of doloop_condition_get.
10642 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10644 * extend.texi: Move C++-extension-related node from the C section
10645 into the C++ section.
10647 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10649 * extend.texi: Refer to an array of pointers to functions instead
10650 of one of functions.
10652 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
10653 Jan Hubicka <jh@suse.cz>
10655 * combine.c (reversed_comparison): Fix typo in last patch.
10657 (combine_reversed_comparison_code): Make static to follow
10658 prototype declaration.
10660 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10662 * install.texi: Remove misplaced duplicate entry.
10664 2001-01-11 Ulrich Drepper <drepper@redhat.com>
10666 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
10668 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
10670 * final.c: (leaf_function_p): Fix typo.
10672 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
10674 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
10675 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10677 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
10678 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
10679 mmap_anon, and valloc is available.
10680 * ggc-page.c: Restructure ifdef logic to match new autoconf
10681 spec. Don't throw away the test page in init_ggc.
10683 * configure, config.in: Regenerate.
10685 2001-01-12 Michael Hayes <mhayes@redhat.com>
10687 * loop.h (total_biv_increment): Constify iv_class pointer.
10688 (struct induction): Replace `mem_mode' with `mem' rtx.
10689 * unroll.c (total_biv_increment): Constify iv_class pointer.
10690 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
10691 (find_mem_givs, combine_givs_p): Likewise.
10692 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
10694 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
10696 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
10698 (__gthread_getspecific): Ditto.
10700 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
10702 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
10703 put_condition_code): Convert fp comparison codes to integer
10705 (ix86_expand_fp_compare): Postnote the fp comparison code converison
10708 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
10709 * i386-protos.h (no_comparison_operator): Kill.
10711 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
10713 * combine.c (REVERSIBLE_CC_MODE): Remove.
10714 (reversible_comparison_p): Remove.
10715 (combine_reversed_comparison_code): New.
10716 (reversed_comparison): New.
10717 (combine_simplify_rtx): Use
10718 combine_reversed_comparison_code/reversed_comparison instead
10719 of reversible_comparison_p.
10720 (simplify_if_then_else): Likewise.
10721 (simplify_set): Likewise.
10722 (simplify_logical): Likewise.
10723 (if_then_else_cond): Likewise.
10724 (known_cond): Likewise.
10725 (simplify_comparison): Likewise.
10727 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
10729 * builtins.c (std_expand_builtin_va_start): Handle varargs when
10730 sizeof (int) is larger than sizeof(__word__).
10732 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10734 * cppinit.c (do_includes): Fix typo.
10736 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10738 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
10739 in S_REGS does not occur because not all sources are possible
10740 when a S_REGS is a destination (sometimes needs a clobber).
10741 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
10742 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
10743 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
10744 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
10745 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
10746 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
10747 (lshrdi_const1, lshrsi3_const16): Likewise.
10748 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
10749 (*movhi_68hc12, *movqi_68hc12): Likewise.
10750 (movstrictqi): Make sure reloading in D_REGS as a destination
10753 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10755 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10757 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10759 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
10760 -D, -U and -A, and don't initialize the builtins.
10761 (do_includes): Error if -include or -imacros with -fpreprocessed.
10762 * cppmain.c (cb_define, cb_undef): Unconditionally process
10764 * tradcpp.c (main): Fix typo.
10766 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
10768 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
10769 (read_name_map): Use IS_ABSOLUTE_PATH.
10770 * tradcpp.c (get_filename): Likewise.
10772 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10774 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
10775 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
10776 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
10777 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
10778 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
10779 (cmphi_z_used): Don't use '@' for the output.
10780 (tstqi_z_used): Likewise.
10781 (cmpqi_z_used): Likewise.
10782 (one_cmplsi2): Likewise.
10784 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10786 * config/sh/sh.c (barrier_align): Recognize branch around far
10787 branch and redundant insn.
10789 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10791 * invoke.texi: Restore documentation of the drivers' switches -MD
10794 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10796 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
10798 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
10799 check-objc//%): Support parallel testing of multilibs.
10800 (TESTSUITEDIR): Set to testsuite by default, but override for
10802 (check-gcc, check-g++, check-g77, check-objc): Enter
10805 2001-01-11 Bernd Schmidt <bernds@redhat.com>
10807 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
10808 * sched-deps.c (deps_may_trap_p): Likewise.
10809 * basic-block.h: Remove a comment.
10810 * flow.c (PROP_POSTRELOAD): Remove.
10811 (update_life_info): Don't add it to prop_flags.
10812 (mark_set_1): Lose the code that was enabled by it.
10814 2001-01-11 Michael Hayes <mhayes@redhat.com>
10816 * flow.c (flow_call_edges_add): New.
10817 * basic_block.h (flow_call_edges_add): New.
10819 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
10821 * reload1.c (move2add_note_store): Update reg_set_luid even if
10822 base reg remains the same.
10824 2001-01-10 Nick Clifton <nickc@redhat.com>
10826 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
10827 machine_function structure to zero.
10828 Add prototypes for machine_status functions.
10830 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10832 * c-common.h (CTI_VOID_LIST): Remove.
10833 (void_list_node): Likewise.
10834 * tree.h (TI_VOID_LIST_NODE): New enumeral.
10835 (void_list_node): New macro.
10836 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
10837 * config/i386/i386.c (ix86_init_builtins): Likewise.
10838 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
10840 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10842 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
10843 * cppinit.c (cpp_start_read): Update comment, remove unneeded
10845 * tradcpp.c: Include mkdeps.h.
10846 (deps, print_deps_phony_targets, deps_append, output_deps,
10847 init_dependency_output, output_deps): New.
10848 (deps_buffer, deps_allocated_size, deps_size, deps_column,
10849 deps_output): Delete.
10850 (print_deps_missing_files): Rename deps_missing_files.
10851 (inhibit_output): Make global.
10852 (main): Delete inhibit_output, deps_stream, deps_target.
10853 Use mkdeps functionality in the same way as cpplib. Remove
10854 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
10855 -M and -MM. Remove old handling of deps via deps_out, and
10856 old reading of environment variables.
10857 (get_filename): Update to use deps_add_dep.
10859 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10861 * output.h (make_function_rtl): Remove prototype.
10862 (make_decl_rtl): Likewise.
10863 * varasm.c (make_function_rtl): Remove.
10864 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
10865 than from a third parameter.
10866 * tree.h (make_decl_rtl): Remove last parameter.
10867 * c-decl.c (builtin_function): Remove last argument in call to
10868 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
10869 (start_function): Likewise.
10870 * except.c (call_get_eh_context): Likewise.
10871 * expr.c (emit_block_move): Likewise.
10872 (clear_storage): Likewise.
10873 * profile.c (output_func_start_profiler): Likewise.
10874 * toplev.c (rest_of_decl_compilation): Likewise.
10875 * objc/objc-act.c (create_builtin_decl): Likewise.
10876 (synth_module_prologue): Likewise.
10877 (generate_static_reference): Likewise.
10878 (build_selector_reference_decl): Likewise.
10879 (build_class_reference_decl): Likewise.
10880 (build_objc_string_decl): Likewise.
10881 (build_protocol_reference): Likewise.
10883 2001-01-10 Richard Henderson <rth@redhat.com>
10885 * hwint.h: Revert yesterday's change.
10887 2001-01-10 Nick Clifton <nickc@redhat.com>
10889 * function.h (save_machine_status): Delete.
10890 (restore_machine_status): Delete.
10891 Amend comment describing {init|mark|free}_machine_status.
10893 * function.c (save_machine_status): Delete.
10894 (restore_machine_status): Delete.
10895 Amend comment describing {init|mark|free}_machine_status.
10896 (push_function_context_to): Remove invocation of
10897 save_machine_status.
10898 (pop_function_context_from): Remove invocation of
10899 restore_machine_status.
10901 * emit-rtl.c (init_emit_once): Amend comment describing
10902 {init|mark|free}_machine_status.
10904 * tm.texi (Per-Function Data): New node. Describe the
10905 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
10908 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10910 * cppinit.c (OPT_g): Remove.
10911 (cpp_handle_option): Update for removed -g3.
10912 (print_help): Update.
10913 * cpplib.h (struct cpp_options): Remove debug_output.
10914 * cppmain.c (setup_callbacks, cb_define): Update.
10915 * gcc.c (cpp_options): Translate -g3 to -dD.
10917 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
10919 * config/i960/i960.md: Change modifier to + on the zero_extract
10920 pattern after the (rotate -2 reg) canonicalization pattern.
10922 2001-01-10 Richard Henderson <rth@redhat.com>
10924 * config/alpha/alpha.c (alpha_free_machine_status): New.
10925 (override_options): Install it.
10926 (alpha_mark_machine_status): Verify machine non-null.
10927 * config/i386/i386.c (ix86_free_machine_status): New.
10928 (override_options): Install it.
10929 (ix86_init_machine_status): Use xcalloc.
10930 (ix86_mark_machine_status): Verify machine non-null.
10931 * config/ia64/ia64.c (ia64_free_machine_status): New.
10932 (ia64_override_options): Install it.
10933 (ia64_mark_machine_status): Verify machine non-null.
10935 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
10937 * function.c (instantiate_virtual_regs): Instantiate virtual
10938 registers found in CALL_INSN_FUNCTION_USAGE.
10940 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10942 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
10943 equivalent to -ansi in disabling -Di386.
10945 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
10947 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
10949 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
10951 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
10953 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
10955 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10957 * invoke.texi: Document that -fcond-mismatch isn't supported for
10960 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10962 * gcc.texi: Define macro gcctabopt.
10963 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
10964 @command, @env and @option in some places where appropriate. Use
10965 @gcctabopt where appropriate. Put URLs and email addresses inside
10968 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
10970 * gcc.c (cpp_options): Set MD file name from output
10971 filename, if specified.
10972 (suffix_subst): New static variable.
10973 (do_spec): Clear it.
10974 (do_spec_1, case '.'): Handle new `%.suffix' spec.
10976 (give_switch): Handle suffix_subst.
10978 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10980 * invoke.texi: Fix another typo.
10982 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10984 * invoke.texi: Fix typo.
10986 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10988 * c-lang.c (lang_hooks): Update.
10989 (lang_decode_option): Remove.
10990 (lang_init_options): Rename c_init_options.
10991 * toplev.c (main): Use lang_hooks for lang_init_options
10992 and lang_decode_option.
10993 * toplev.h (lang_hooks): Add 2 new hooks.
10994 * tree.h: Remove lang_init_options and lang_decode_option.
10995 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
10996 * cp/decl2.c: Similarly.
10997 * cp/lex.c (lang_init_options): Rename cxx_init_options.
10998 (lang_hooks): Update.
10999 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
11001 (lang_init_options): Rename ffe_init_options.
11002 (lang_hooks): Update.
11003 (lang_decode_option): Remove.
11004 * java/lang.c (lang_init_options): Rename java_init_options.
11005 (lang_decode_option): Rename java_decode_option.
11006 (lang_hooks): Update.
11007 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
11008 (lang_decode_option): Rename objc_decode_option.
11009 (lang_hooks): Update.
11011 2001-01-09 Nick Clifton <nickc@redhat.com>
11013 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
11014 (d30v_return_addr_rtx): Delete.
11015 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
11016 cfun->machine structure.
11017 (struct machine_function): Move to d30v.h
11018 (d30v_save_machine_status): Delete.
11019 (d30v_restore_machine_status): Delete.
11020 (d30v_init_machine_status): New Function.
11021 (d30v_mark_machine_status): New Function.
11022 (d30v_free_machine_status): New Function.
11023 (d30v_init_expanders): Use new functions.
11024 (d30v_return_addr): Use ra_rtx field in cfun->machine.
11025 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
11026 d30v_return_addr_rtx.
11028 * config/d30v/d30v.h (struct_machine): Move here.
11029 Add eh_epilogue_sp_ofs field.
11031 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
11032 field in cfun->machine structure.
11034 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
11036 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
11037 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
11038 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11040 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
11042 * objc/lang-options.h: Remove bogus reference to
11045 2001-01-09 Kazu Hirata <kazu@hxi.com>
11047 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
11050 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
11052 * reload.c (find_reloads_address): Check for eliminable registers
11053 when substituting a constant expression for a pseudo.
11055 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
11057 * c-common.c (enum format_type): Add format_type_error.
11058 (decode_format_type): New function.
11059 (decl_attributes): Use it.
11060 (format_kind_info): Adjust comment.
11062 2001-01-09 David O'Brien <obrien@BSDi.com>
11064 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
11065 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
11067 * config/i386/gnu.h: Don't include required platform specific .h files,
11068 tm.h will do it instead.
11069 * config/i386/i386elf.h: Likewise.
11070 * config/i386/linux.h: Likewise.
11071 * config/i386/moss.h: Likewise.
11072 * config/mips/gnu.h: Likewise.
11074 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11076 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
11077 (rs6000-ibm-aix3.[01]*): Likewise.
11078 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
11079 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
11080 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
11081 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
11082 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
11083 (powerpc-*-eabiaix*): Likewise.
11084 (powerpc-*-eabisim*): Likewise.
11085 (powerpc-*-elf*): Likewise.
11086 (powerpc-*-eabi*): Likewise.
11087 (powerpc-*-rtems*): Likewise.
11088 (powerpc-*-linux*libc1): Likewise.
11089 (powerpc-*-linux*): Likewise.
11090 (powerpc-wrs-vxworks*): Likewise.
11091 (powerpcle-wrs-vxworks*): Likewise.
11092 (powerpcle-*-sysv*): Likewise.
11093 (powerpcle-*-elf*): Likewise.
11094 (powerpcle-*-eabisim*): Likewise.
11095 (powerpcle-*-eabi*): Likewise.
11096 (powerpcle-*-solaris2*): Likewise.
11097 * config/rs6000/aix31.h: Delete includes.
11098 * config/rs6000/aix3newas.h: Likewise.
11099 * config/rs6000/aix41.h: Likewise.
11100 * config/rs6000/aix43.h: Likewise.
11101 * config/rs6000/beos.h: Likewise.
11102 * config/rs6000/rtems.h: Likewise.
11103 * config/rs6000/sysv4.h: Likewise.
11105 2001-01-09 Kazu Hirata <kazu@hxi.com>
11107 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
11108 Change an argument mode of machine_mode to shift_mode of
11109 shift_mode. Remove an extra error check.
11110 (emit_a_shift): Adopt to the new calling prototype of
11112 (function_prologue): Fix code for a monitor
11113 function. Support H8/S.
11114 (function_epilogue): Do not output pop for a monitor function.
11116 2001-01-09 Nick Clifton <nickc@redhat.com>
11118 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
11119 (setup_incoming_varargs): Use sysv_varargs_p field of the
11120 cfun->machine structure.
11121 (struct machine_function): Move to rs6000.h
11122 (rs6000_save_machine_status): Delete.
11123 (rs6000_restore_machine_status): Delete.
11124 (rs6000_init_machine_status): New Function.
11125 (rs6000_free_machine_status): New Function.
11126 (rs6000_init_expanders): Use new functions.
11128 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
11130 (struct machine_function): Move here.
11132 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
11133 sysv_varargs_p field of the cfun->machine structure.
11135 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
11137 (rs6000_restore_machine_status): Remove prototype.
11139 2001-01-09 Richard Henderson <rth@redhat.com>
11141 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
11142 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
11143 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
11144 (sched_analyze_2, sched_analyze_insn): Likewise.
11145 (sched_analyze, init_deps): Likewise.
11146 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
11147 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
11148 (compute_block_backward_dependences): Update propagate_deps call.
11150 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
11152 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
11154 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11156 * cppinit.c (OPT_MD, OPT_MMD): Restore.
11157 (cpp_handle_option): Handle them.
11158 (cpp_post_options): Ensure one of -M or -MM is specified with
11159 any other -M? option.
11160 (init_dependency_output): Suppress output with -MG.
11162 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11164 * cpp.texi: Update.
11165 * invoke.texi: Update.
11167 2001-01-09 Bernd Schmidt <bernds@redhat.com>
11169 * sh.md (reload_outsf): Generate recognizable patterns for
11172 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11174 * c-lang.c (lang_hooks): Update.
11175 (lang_init): Rename c_init.
11176 (lang_finish): Remove.
11177 * toplev.c (compile_file): Use lang_hooks for lang_init ()
11178 and lang_finish ().
11179 * toplev.h (lang_hooks): Add init () and finish ().
11180 * tree.h (lang_init, lang_finish): Remove.
11181 * cp/tree.h (lang_init, lang_finish): Remove.
11182 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
11183 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
11185 (lang_init, lang_finish): Remove.
11186 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
11187 (lang_hooks): Update.
11188 * java/lang.c (lang_init): Rename java_init.
11189 (lang_finish): Remove.
11190 (lang_hooks): Update.
11191 * objc/objc-act.c (lang_init): Rename objc_init.
11192 (lang_finish): Remove.
11193 (lang_hoooks): Update.
11195 20001-01-09 Graham Stott <grahams@redhat.com>
11197 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
11198 after `ptr` is initialised.
11200 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11202 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
11203 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
11204 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
11205 stack adjusts, instead of r3.
11207 2001-01-09 Michael Hayes <mhayes@redhat.com>
11209 * flow.c (flow_loop_scan): Break out of ...
11210 (flow_loops_find) ... here.
11211 * basic-block.h (flow_loop_scan): New.
11212 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
11213 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
11215 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11217 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
11219 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
11220 realloc()ing macro_buffer.
11222 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
11223 if it's wider than long and the target's long is wider than the
11226 2001-01-09 Mark Mitchell <mark@codesourcery.com>
11228 Remove support for using UWIN as a host machine.
11229 * configure.in: Issue an error message.
11230 * configure: Regenerated.
11231 * config.gcc: Remove xm_* UWIN configury.
11232 * config/i386/xm-uwin.h: Remove.
11234 2001-01-08 Nick Clifton <nickc@redhat.com>
11236 * config/v850/v850.c (ra_rtx): Delete.
11237 (v850_save_machine_status): Delete.
11238 (v850_restore_machine_status): Delete.
11239 (v850_init_machine_status): New function.
11240 (v850_mark_machine_status): New function.
11241 (v850_free_machine_status): New function.
11242 (v850_return_addr): Use ra_rtx field in machine structure.
11243 (v850_init_expanders): Use new functions.
11245 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
11246 * config/v850/v850.c: Change arguments to v850_output+* functions
11247 to take a const char *, to avoid compile time warning.
11248 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
11249 (USER_LABEL_PREFIX): Redefine.
11251 2000-01-08 Jim Wilson <wilson@redhat.com>
11253 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
11254 1 to unsigned HOST_WIDE_INT before left shift.
11256 2001-01-08 Nick Clifton <nickc@redhat.com>
11258 * config/arm/arm.c (arm_mark_machine_status): Check to see if
11259 the machine structure has been allocated.
11260 (arm_free_machine_status): New function: Free the machine
11261 specific function structure.
11263 2001-01-08 Richard Henderson <rth@redhat.com>
11265 * jump.c (simplejump_p): Revert last change.
11267 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
11269 * cppinit.c (init): Rename init_library.
11270 (cpp_create_reader): Update.
11271 * gcc.c (cpp_options): If -o given, use it as the target of
11274 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11276 * arm.c (arm_arch5e): New variable.
11277 (all_cores): XScale is a 5TE device.
11278 (arm_override_options): Set arm_arch5e.
11279 (arm_init_builtins): __builtin_prefetch is in arch5e.
11280 * arm.h (arm_arch5e): Declare it.
11282 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
11284 * arm.md (define_constants): Add defines for UNSPEC and
11285 UNSPEC_VOLATILE insns. Update all users.
11286 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
11287 * arm.c (multi_register_push, note_invalid_constants)
11288 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
11289 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
11290 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
11292 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
11294 * jump.c (jump_optimize_1): Use reversed_comparison_code
11295 instead of can_reverse_comparison_p.
11296 (jump_back_p): Likewise.
11297 (invert_exp_1): Likewise.
11298 (thread_jumps): Likewise.
11299 * simplify-rtx.c (simplify_unary_operation): Likewise.
11300 (simplify_ternary_operation): Likewise.
11301 * cse.c (find_comparison_args): Convert to use
11302 can_reverse_comparison_p.
11303 (record_jump_equiv): Likewise.
11305 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11307 * arm.h (HARD_REGNO_RENAME_OK): Delete.
11308 (EPILOGUE_USES): Define.
11309 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
11310 automatically stack the LR if it isn't live.
11312 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
11314 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
11317 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
11319 * ggc-page.c (max_alignment): New structure.
11320 (MAX_ALIGNMENT): New macro.
11321 (init_ggc): Use it to round up the sizes in the
11322 extra_order_size_table.
11324 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11326 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
11329 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11331 * builtins.def (BUILT_IN_FPRINTF): New entry.
11333 * c-common.c (c_expand_builtin_fprintf): New function.
11334 (init_function_format_info): Handle __builtin_fprintf.
11335 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
11336 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
11338 * c-decl.c (duplicate_decls): Adjust comment.
11340 * extend.texi (fprintf): Document new builtin.
11342 2001-01-07 Richard Henderson <rth@redhat.com>
11344 * jump.c (simplejump_p): Recognize any single_set jump
11345 of the proper form.
11347 2001-01-07 Richard Henderson <rth@redhat.com>
11349 * configure.in (slibdir): Accept an --with-slibdir option.
11350 Use "test" not "[" in configure. Default to $(libdir).
11352 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
11354 * config/t-aix43 (SHLIB_INSTALL): Likewise.
11355 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
11356 (SHLIB_LINK): Create links for the soname.
11357 * config/mips/t-iris6: Likewise.
11358 * config/sparc/t-slibgcc: Likewise.
11359 * config/sparc/t-slibgcc-sld: Likewise.
11361 2001-01-07 Jakub Jelinek <jakub@redhat.com>
11363 * config/i386/i386.c (constant_call_address_operand): Accept
11364 (const (plus (symbol_ref) (const_int))).
11365 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
11366 constant_call_address_operand.
11368 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11370 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
11371 and LONG_LONG_TYPE_SIZE > 32.
11373 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11375 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
11376 the previous change.
11378 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
11380 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
11382 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
11383 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
11384 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
11387 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11389 * fix-header.c (read_scan_file): s/pfile/scan_in/.
11391 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11393 * c-lang.c (c_post_options): Call cpp_post_options.
11394 * objc/objc-act.c (objc_post_options): Similarly.
11395 * cppmain.c (main): Similarly.
11396 * fix-header.c (read_scan_file): Similarly.
11397 * cppinit.c (cpp_start_read): Move option consistency checks
11398 to cpp_post_options. Don't call init_dependency_output.
11399 If needed, add default target and main file dependency.
11400 (OPT_MD, OPT_MMD): Remove.
11402 (cpp_handle_option): Update for OPT_* changes.
11403 (cpp_post_options): New.
11404 (init_dependency_output): Command line -MF overrides environment
11405 variables. Don't set default target etc. Suppress output
11406 if dependencies are going to stdout.
11407 (print_help): Update.
11408 * cpplib.h (cpp_post_options): New.
11409 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
11411 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
11413 * jump.c (comparison_dominates_p): Support unordered compares.
11415 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
11417 * simplify-rtx.c (simplify_relational_operation): Always simplify
11418 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
11421 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
11423 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
11424 (nonzero_bits): Likewise.
11425 (simplify_comparison): Likewise.
11426 (num_sign_bit_copies): Likewise; return more sane value depending
11427 on STORE_FLAG_VALUE.
11428 (known_cond): Do not assume EQ to be always true for equivalent
11431 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
11433 * cse.c (fold_rtx): Handle unordered comparisons.
11435 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
11437 * rtlanal.c (set_of_1): New static function.
11438 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
11439 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
11440 reg_set_last_last_regno): Remove.
11441 (set_of): New global function.
11442 (set_of_data): New structure.
11443 (reg_set_p, reg_set_last): Revamp for set_of.
11444 * rtl.h (set_of): New.
11446 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
11448 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
11449 * extend.texi: Document _Exit builtin.
11451 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11453 * (initialize, initialize_builtins,
11454 initialize_dependency_output, initialize_standard_includes):
11455 Rename s/initialize/init. Update.
11456 (init_dependency_output): Move to after
11457 cpp_handle_options, the correct location temporally at least.
11458 (opt_comp): Move next to init (), its caller. Fix prototype.
11459 (init): Make "initialized" local scope.
11460 (cpp_create_reader): Always call init ().
11461 (cpp_start_read): Update.
11462 (output_deps): New function, broken out of cpp_finish.
11463 (cpp_finish): Break out output_deps.
11465 2001-01-07 Richard Henderson <rth@redhat.com>
11467 * collect2.c (COFF specific stuff): Revert 12-06 patch
11468 to prototype system functions.
11470 2001-01-07 Michael Hayes <mhayes@redhat.com>
11472 * hard-reg-set.h: Add multiple include guard.
11473 * basic-block.h (struct loop): Add `sink' field.
11474 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
11475 (emit_iv_add_mult): Delete.
11476 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
11477 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
11478 (unroll_loop): Remove end_insert_before argument.
11479 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
11480 (maybe_eliminate_biv_1): Likewise.
11481 (emit_iv_add_mult): Delete.
11482 (gen_add_mult, loop_regs_update): New.
11483 (loop_insn_emit_after, loop_insn_emit_before): New.
11484 (loop_insn_sink, loop_insn_sink_or_swim): New.
11485 (emit_iv_add_mult): Delete.
11486 (scan_loop): Set loop->sink.
11487 (loop_givs_reduce): Use loop_insn_sink and its ilk.
11488 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
11489 (maybe_eliminate_biv_1): Likewise.
11490 (maybe_eliminate_biv_1): Add basic block argument.
11491 * unroll.c (unroll_loop): Remove end_insert_before argument.
11492 (find_splittable_regs): Likewise.
11493 (find_splittable_regs): Use loop_insn_sink and its ilk.
11494 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
11496 2001-01-07 Michael Hayes <mhayes@redhat.com>
11498 * loop.h (loop_insn_hoist): New prototype.
11499 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
11500 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
11501 (check_dbra_loop, load_mems): Likewise.
11502 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
11503 (find_splittable_givs): Likewise.
11505 2001-01-07 Michael Hayes <mhayes@redhat.com>
11507 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
11509 2001-01-07 Richard Henderson <rth@redhat.com>
11511 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
11513 2001-01-07 Richard Henderson <rth@redhat.com>
11515 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
11516 NO_SHARED_LIBGCC_MULTILIB as required for the target.
11517 * gcc.c (init_spec): Massage the existing libgcc_spec into a
11518 variant that handles a shared libgcc.
11519 (process_command): Always validate -{static,shared}-libgcc.
11520 (do_spec_1): New 'M' case.
11521 * invoke.text (Link Options): Document -{static,shared}-libgcc.
11523 2001-01-07 Richard Henderson <rth@redhat.com>
11525 * Makefile.in (slibdir): New variable.
11526 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
11527 (installdirs): Create slibdir.
11528 (install-libgcc, install-multilib): Defer to libgcc.mk.
11529 * configure.in (slibdir): Substitute.
11530 * mklibgcc.in (install): New target.
11532 * config/t-linux (SHLIB_LINK): Create links for the soname.
11533 (SHLIB_INSTALL): New.
11534 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
11535 * config/mips/t-iris6 (SHLIB_INSTALL): New.
11536 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
11537 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
11538 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
11540 2001-01-07 Richard Henderson <rth@redhat.com>
11542 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
11543 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
11544 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
11546 2001-01-07 Michael Hayes <mhayes@redhat.com>
11548 * loop.c (count_loop_regs_set): Delete.
11549 (load_mems_and_recount_loop_regs_set): Delete.
11550 (loop_regs_scan): Merge common code from count_loop_regs_set,
11551 scan_loop, and load_mems_and_recount_loop_regs_set.
11552 (scan_loop): Call load_mems directly and loop_regs_scan
11553 again if new registers created.
11555 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11557 * toplev.c (main): Call the front-end specific post_options
11558 hook if one is given.
11559 * toplev.h (struct_lang_hooks, lang_hooks): New.
11560 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
11561 for the C front end.
11562 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
11563 lang_hooks for the C++ front end.
11564 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
11565 lang_hooks for the ObjC front end.
11566 * f/com.c (lang_hooks): Hooks for the Fortran front end.
11567 * java/lang.c (lang_hooks): Hooks for the Java front end.
11569 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11571 * c-lex.c (init_c_lex): Request #define / #undef callbacks
11572 for verbose DWARF[2] debugging.
11573 (cb_define, cb_undef): The new callbacks.
11574 * toplev.h (debug_define, debug_undef): Make const correct.
11575 * toplev.c (debug_define, debug_undef): Similarly. Do not
11576 perform the verbosity tests here anymore.
11578 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
11580 * reload.c (subst_reloads): Take INSN argument. When
11581 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
11582 * reload.h (subst_reloads): Adjust prototype.
11583 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
11584 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
11585 present in JUMP_INSNs and copy them to JUMP_LABEL.
11586 * flow.c (find_label_refs, find_basic_blocks_1): Skip
11587 JUMP_INSNs and insns with REG_LABELs that are followed by
11588 JUMP_INSNs with the same REG_LABEL.
11589 * sched-rgn.c (is_cfg_nonregular): Likewise.
11590 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
11592 * unroll.c (unroll_loop): Look for REG_LABEL notes in
11594 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
11596 2001-01-06 Richard Henderson <rth@redhat.com>
11598 * loop.c (scan_loop): Use xcalloc for the regs array.
11599 (load_mems_and_recount_loop_regs_set): Zero the new memory
11600 received from xrealloc.
11602 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
11604 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
11606 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
11608 * integrate.c (copy_rtx_and_substitute): When copying
11609 an ignored return value, strip REG_FUNCTION_VALUE_P.
11611 2001-01-06 Michael Hayes <mhayes@redhat.com>
11613 * loop.c (debug_biv, debug_giv): New.
11614 (loop_biv_dump): Break out from ...
11615 (record_biv): ... here.
11616 (loop_giv_dump): Break out from ...
11617 (record_giv): ... here.
11618 (loop_bivs_check): Use print_simple_rtl.
11619 * unroll.c (loop_iterations): Use print_simple_rtl.
11621 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
11623 * pa.md (return, return_internal): Modify patterns to prevent regrename
11624 mucking with the return pointer.
11626 2001-01-05 Richard Henderson <rth@redhat.com>
11628 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
11630 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
11632 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
11633 version supplied by Matteo Frigo.
11635 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11637 * cpp.texi: Update for -MQ.
11638 * cppinit.c (cpp_create_reader): Always create pfile->deps.
11639 (cpp_cleanup): Always free pfile->deps.
11640 (initialize_dependency_output): Don't create pfile->deps.
11641 (cpp_handle_option): Similarly.
11643 * gcc.c (cpp_options): Handle -MQ.
11644 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11645 * mkdeps.c (base_name): Remove.
11646 (deps_init): Don't allocate vector space until it's needed.
11647 (deps_free): Only free vectors if allocated.
11648 (deps_add_target, deps_add_dep): Update for initial allocation.
11649 (deps_add_default_target): Don't strip to the base_name.
11651 2001-01-05 DJ Delorie <dj@redhat.com>
11653 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
11654 (INIT_EXPANDERS): Define.
11656 * config/v850/v850.c (struct machine_function): Define.
11657 (v850_save_machine_status): New function.
11658 (v850_restore_machine_status): New function.
11659 (v850_return_addr): New function.
11660 (v850_init_expanders): New function.
11662 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
11663 and v850_init_expanders.
11665 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11667 * cpplib.h (struct cpp_reader): Add help_only field.
11668 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
11669 (cpp_handle_option): Set pfile->help_only if we see -h,
11670 --help, -target-help, or --version. Print version string but
11671 do not set help_only if we see -v or -version. Make text
11672 printed by -v match that printed by (-)-version.
11674 * cppmain.c (main): Exit after option parsing if
11675 pfile->help_only is true.
11677 * toplev.c (independent_decode_option): Call print_version,
11678 then exit, if we see --version (but not -version).
11679 (print_version): Split lengthy message into two lines.
11681 2001-01-05 Nick Clifton <nickc@redhat.com>
11683 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
11684 temporary string for initialisation before calling ggc_alloc_string.
11686 2001-01-06 Michael Hayes <mhayes@redhat.com>
11688 * rtl.h (print_simple_rtl): New.
11689 * print-rtl.c (print_simple_rtl): New.
11690 (flag_simple): New.
11691 (print_rtx): Disable printing of flags and modes, etc.,
11692 if `flag_simple` nonzero.
11694 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11696 * function.c (fixup_var_refs): Use push_to_full_sequence where
11699 2001-01-05 Michael Meissner <meissner@redhat.com>
11701 * flags.h (flag_reorder_blocks): Add declaration.
11702 (flag_rename_block): Ditto.
11704 2001-01-05 DJ Delorie <dj@redhat.com>
11706 * function.c (reorder_blocks): Make sure the flags are all reset
11707 before using them to mark blocks, else a second invocation will
11708 corrupt the block chain.
11709 (reorder_blocks_0): New, resets the flags.
11711 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
11713 * cse.c (find_comparison_args): Stop if the argument is known to
11716 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11718 * config/sh/sh.md (movdf): When splitting load into pair of
11719 registers, don't clobber the register used in the address too
11722 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
11724 * varasm.c (mark_constant_pool): Improve initial comments.
11725 (mark_constants): Move marking of constants to mark_constant.
11726 (mark_constant): New function to recursively mark all constants
11727 referred to by a constant.
11729 2001-01-05 Catherine Moore <clm@redhat.com>
11731 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
11733 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11735 * cp/lang-options.h: Bring comment in line with reality.
11736 * f/lang-options.h: Likewise.
11737 * java/lang-options.h: Likewise.
11738 * objc/lang-options.h: Likewise.
11739 * ch/lang-options.h: Likewise.
11740 * f/g77.texi: And update the manual.
11742 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
11743 Denis Chertykov <denisc@overta.ru>
11745 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
11746 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
11747 * config/avr/avr.md (all peepholes that request a scratch register):
11748 Call it, FAIL the peephole if not safe (in interrupt functions).
11750 2001-01-05 Mark Mitchell <mark@codesourcery.com>
11752 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
11754 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
11756 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
11758 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
11759 BUILT_IN_CREAL and BUILT_IN_CIMAG.
11760 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
11761 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
11762 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
11764 * extend.texi: Document these builtins.
11766 2001-01-05 Daniel Berlin <dberlin@redhat.com>
11768 * c-common.c (lang_get_alias_set): Say we know nothing of
11769 VECTOR_TYPE aliasing.
11771 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
11773 2001-01-05 Bruce Korb <bkorb@gnu.org>
11775 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
11776 their x* equivalent versions for atexit-less systems
11777 * fixinc/fixincl.c(main): do not return from main() on atexit-less
11778 systems (or any other system any more).
11780 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
11782 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
11783 output operands. Use arm_hard_register_operand for operand 4.
11784 (stmsi_postinc): Similarly.
11785 (ldmsi): Use arm_hard_register_operand for opernand 2.
11786 (stmsi): Similarly.
11787 * arm.c (arm_hard_register_operand): New function.
11788 * arm-protos.h (arm_hard_register_operand): Prototype it.
11790 * arm.h (HARD_REGNO_RENAME_OK): Define.
11792 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
11794 * simplify-rtx.c (cfc_args): add "unordered" field.
11795 (check_fold_consts): Set unordered field.
11796 (simplify_relational_operation): Simplify the unordered
11799 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
11802 * emit-rtl.c (try_split): Fix code to mark labels.
11803 * jump.c (mark_jump_label): Make global.
11804 * rtl.h (mark_jump_label): Declare.
11806 * predict.c (estimate_probability): Handle unordred comparisons.
11808 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11810 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
11811 * cppinit.c (initialize_dependency_output): Update.
11812 (cpp_finish): Output dummy targets for -MP.
11814 (cpp_handle_option): Handle -MP. Don't quote -MT options.
11815 * cpplib.h (struct cpp_options): Add deps_phony_targets.
11816 * gcc.c (cpp_options): Update to handle -MP.
11817 * mkdeps.c (deps_add_target, deps_add_default_target): Update
11818 to quote only the default target.
11819 (deps_phony_targets): Insert a preceding newline. Rename from
11820 deps_dummy_targets for consistency.
11823 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11825 * calls.c (emit_library_call_value_1): Support
11826 INIT_CUMULATIVE_LIBCALL_ARGS.
11827 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
11829 2001-01-04 Richard Henderson <rth@redhat.com>
11831 * c-decl.c (finish_struct): Detect flexible array members
11832 used in an inappropriate context.
11833 * c-typeck.c (really_start_incremental_init): Special case
11834 constructor_max_index for zero length arrays.
11835 (pop_init_level): Allow initialization of flexible array
11836 members. Deprecate initialization of zero length arrays.
11837 Don't issue missing initializer warning for flexible array
11838 members or zero length arrays.
11839 (process_init_element): Don't dereference null DECL_SIZE.
11840 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
11841 Don't abort for empty constructors. Use size_binop
11842 (output_constructor): Add commentary regarding zero length
11843 array futures. Abort if we try to initialize an array of
11844 unspecified length with a non-empty constructor in the middle
11847 * extend.texi (Zero Length): Update and clarify documentation
11848 on static initialization.
11850 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11852 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
11853 with more than 32767 words of local storage.
11855 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11857 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
11858 for 'abs', 'labs', and 'fabs'.
11859 (c4x_expand_builtin): Likewise.
11860 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
11862 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11864 * config/sh/sh.md (prget, prset): New insn types.
11865 (return delay slot): Dont' allow prset.
11866 (call, sfunc delay slot): Don't allow prget.
11867 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
11868 for prset and prget.
11870 2001-01-05 Michael Hayes <mhayes@redhat.com>
11872 * loop.h (struct loop_reg): New.
11873 (struct loop_regs): Change to use array of `struct loop_reg'.
11874 * loop.c: Replace assortment of varrays with single regs array.
11875 (count_one_set): Delete may_not_move array argument
11876 and use regs array instead. All caller's changed.
11877 (count_loop_regs_set): Delete may_not_move and single_usage
11878 arguments and use regs array instead. All caller's changed.
11879 (find_single_use_in_loop): Replace usage array argument with pointer
11880 to regs structure. All caller's changed.
11881 (loop_optimize): Delete `moved_once' array.
11883 2001-01-05 Michael Hayes <mhayes@redhat.com>
11885 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
11886 Use it instead of loop_info->has_call for scanning loop mems.
11887 (check_dbra_loop): Replace loop_info->has_call test with
11888 loop_info->has_nonconst_call.
11890 2000-01-04 Matthew Hiller <hiller@redhat.com>
11892 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
11895 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11897 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
11898 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
11900 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11902 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
11903 (flag_short_double, flag_short_wchar): Define.
11904 (c_common_nodes_and_builtins): Create many tree nodes shared
11905 between C and C++ here instead of in cp/decl.c and ...
11906 * c-decl.c (init_decl_processing): ... here.
11907 (SIZE_TYPE, WCHAR_TYPE): Don't define.
11908 (flag_short_double, flag_short_wchar): Don't define.
11909 (record_builtin_type): New function.
11910 (build_void_list_node): New function.
11911 * c-common.h (flag_short_double, flag_short_wchar,
11912 record_builtin_type, build_void_list_node): Declare.
11914 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
11916 * integrate.c (expand_inline_function): Don't put a virtual
11917 register into the reg map.
11919 * function.c (fixup_var_refs_1): If force_operand didn't put
11920 the address into the target, move it there.
11922 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11924 Special-case tree_decl/tree_list allocations.
11925 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
11926 (OBJECT_SIZE): New macro.
11927 (NUM_EXTRA_ORDER): Likewise.
11928 (extra_order_size_table): New variable.
11929 (NUM_ORDERS): New macro.
11930 (objects_per_page_table): New variable.
11931 (object_size_table): New variable.
11932 (G.pages): Use NUM_ORDERS to bound the array.
11933 (G.page_tails): Likewise.
11934 (DIV_ROUND_UP): Remove.
11935 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
11936 (alloc_page): Use OBJECT_SIZE.
11937 (size_lookup): Don't make it const.
11938 (ggc_alloc): Use OBJECT_SIZE.
11939 (ggc_set_mark): Likewise.
11940 (ggc_get_size): Likewise.
11941 (init_ggc): Set up the object_size_table, objects_per_page_table,
11942 and adjust size_lookup.
11943 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
11944 (ggc_pop_context): Use NUM_ORDERS.
11945 (clear_marks): Likewise.
11946 (sweep_pages): Likewise.
11947 (poison_pages): Likewise.
11948 (ggc_print_statistics): Use OBJECT_SIZE.
11950 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11952 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
11953 Only call array_size_for_constructor if last field and array type
11954 with no upper bound.
11956 2001-01-04 Philip Blundell <philb@gnu.org>
11958 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
11959 from bit 31 downwards, if this requires no more insns.
11960 (count_insns_for_constant): New helper function for above.
11962 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
11964 * gencodes.c (output_predicate_decls): Remove empty initializer.
11966 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11968 * tree.c (copy_node): Remove documentation about obstacks.
11969 (buidl1): Check that nobody tries to build 2-argument nodes this
11972 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11974 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
11977 * gencodes.c (output_predicate_decls): Fill empty initializer
11980 2001-01-04 Jakub Jelinek <jakub@redhat.com>
11982 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
11983 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
11985 (do_include): Handle missing headers like cpp0.
11986 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
11987 paths with first include pathname. Don't strcat to uninitialized
11990 2001-01-04 Bernd Schmidt <bernds@redhat.com>
11992 * regrename.c (regrename_optimize): Don't rename from frame pointer
11993 if frame_pointer_needed.
11994 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
11995 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
11996 (ia64_reorg): Use it instead of scheduling if ! optimize.
11997 (errata_emit_nops): Properly call asm_noperands.
11998 (ia64_sched_reorder): Finish cycle if we see an asm.
11999 (ia64_variable_issue): Clear scheduling state after asms.
12001 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
12003 * cpp.texi: Update for -MT.
12004 * cppinit.c (initialize_dependency_output): Add a default
12005 target if none has been given already.
12006 (no_tgt, OPT_MT): New.
12007 (cpp_handle_option): Handle -MT. Update -M etc.
12008 * cpplib.h (struct cpp_options): Remove deps_target.
12009 * gcc.c (cpp_options): Handle -MT.
12010 * mkdeps.c (struct deps): Move from mkdeps.h.
12011 (deps_calc_target): Rename deps_add_default_target. Add a
12012 default target if none has been specified already.
12013 * mkdeps.h (struct deps): Move to mkdeps.c.
12014 (deps_calc_target): Rename deps_add_default_target.
12016 2000-01-03 Richard Henderson <rth@redhat.com>
12018 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
12020 * c-typeck.c (push_init_level): Move checks for flexible array
12021 members and zero length arrays ...
12022 (pop_init_level): ... here. Silently discard empty initializations.
12024 * varasm.c (output_constructor): Update for sizeof change to
12025 zero-length arrays.
12027 * extend.texi (Zero Length): Clarify semantics.
12029 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12031 * configure.in (tm.h): Include isns-codes.h last.
12032 * configure: Rebuilt.
12034 2001-01-03 Richard Henderson <rth@redhat.com>
12036 * config/alpha/alpha.md (addvsi3, addvdi3): New.
12037 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
12039 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12041 * tradcpp.c (main): Make sure finclude() is called with a valid
12042 indepth value while handling -include.
12044 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12046 * gencodes.c (output_predicate_decls): New function.
12048 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
12049 even if it is not the first time machmode.h is #included.
12050 * config/sh/sh.c (fpul_operand): Declare MODE argument.
12051 * tm.texi (PREDICATE_CODES): Document predicate declarations.
12052 * gcc.texi (Copyright): Added 2001.
12054 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12056 * c-common.c (c_common_lang_init): New function. Warn if format
12057 warning options which only have effects when used with -Wformat
12058 are used without -Wformat.
12059 * c-common.h (c_common_lang_init): Declare.
12060 * c-lang.c (lang_init): Call c_common_lang_init.
12061 * objc/objc-act.c (lang_init): Call c_common_lang_init.
12063 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12065 * configure.in: Check for the mktemp command.
12066 * configure: Regenerate.
12067 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
12068 $TEMP. Create temporary files with mktemp, if available at
12069 configure time; otherwise use set -C. Remove temporary files
12072 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12074 * configure.in: Require at least texinfo 4.0. Check for whether
12075 Pod::Man is sufficiently recent to regenerate GCC manpages.
12076 * configure: Regenerate.
12077 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
12079 (GENERATED_MANPAGES): Define.
12080 (generated-manpages): New target. Depend on cpp.1 as well as
12082 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
12083 configure to generated-manpages or empty) rather than on the
12084 manpages directly. Remove execute permission from installed
12085 gcov.1 as well as cpp.1.
12086 * cpp.1, gcov.1: Regenerate.
12088 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12090 * builtins.c (expand_builtin_strncmp): Use host_integerp and
12091 tree_low_cst. Allow using cmpstrsi in more cases.
12093 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12095 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
12098 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
12100 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
12101 * Makefile.in (HOST_CFLAGS): Mention build-make.
12103 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12105 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
12108 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12110 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
12113 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
12116 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
12117 reg_base_value and reg_known_value arrays.
12118 (init_alias_analysis): Add more cases to detect known values.
12119 * sched-deps.c (deps_may_trap_p): New function.
12120 (sched_analyze_2): Use it.
12122 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12124 * combine.c (simplify_shift_const): Even if we're sign-extracting,
12125 don't discard an ASHIFTRT if we're shifting in a wider mode.
12127 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
12129 * toplev.c (rest_of_compilation): Don't print basic block information
12130 when CFG isn't up to date.
12132 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
12134 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
12135 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
12136 (UNALIGNED_SHORT_ASM_OP): Define.
12137 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
12139 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12141 * fold-const.c (fold_convert): Fix typo.
12143 2001-01-02 Richard Henderson <rth@redhat.com>
12145 * c-common.h (ASM_INPUT_P): New.
12146 * c-parse.in (asm): Set it when needed.
12147 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
12148 existance of an operand.
12150 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
12152 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
12153 (dwarf2out_frame_debug_expr): Likewise.
12154 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
12156 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
12158 * i386.c (ix86_split_to_parts): Return number of part required;
12160 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
12162 (ix86_split_long_move): Use number of part returned
12163 by ix86_split_to_parts
12164 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
12166 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
12167 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
12168 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
12169 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
12170 (ALIGN_MODE_128): Add TFmode.
12171 (IS_STACK_MODE): Likewise.
12172 (HARD_REGNO_NREGS): TFmode needs 3 registers.
12173 (HARD_REGNO_OK): Support TFmodes.
12174 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
12175 * i386.md (scheduler definitions): Use memory operand to determine
12176 fst/fld instructions; use mode attribute to determine real mode of
12178 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
12179 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
12181 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12183 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
12185 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12187 * expr.c (store_constructor_field): Update ALIGN before calling
12190 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12192 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
12195 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12197 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
12200 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12202 * c-decl.c (start_function): Don't warn on third parameter to main.
12204 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12206 * tsystem.h: Define HAVE_DECL_GETOPT.
12208 2001-01-02 Philip Blundell <pb@futuretv.com>
12210 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
12213 2001-01-02 Richard Henderson <rth@redhat.com>
12215 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
12217 2001-01-02 Andreas Jaeger <aj@suse.de>
12219 * c-decl.c (c_decode_option): Remove support of
12220 -Wmissing-noreturn.
12222 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
12223 (W_options): Add -Wmissing-noreturn here.
12225 * flow.c: Define lang_missing_noreturn_ok_p.
12226 (check_function_return_warnings): Use it.
12228 * c-common.h: Declare lang_missing_noreturn_ok_p.
12230 * c-lang.c (c_missing_noreturn_ok_p): New function.
12231 (lang_init): Set lang_missing_noreturn_ok_p.
12233 * invoke.texi (Warning Options): Document this.
12235 2000-12-27 Phil Edwards <pme@sources.redhat.com>
12237 * extend.texi (C++ Extensions): New node for C++ attributes;
12238 describe init_priority and com_interface.
12239 * invoke.texi: Remove -finit-priority as it now has zero effect.
12240 * install.texi: Fix xref syntax.
12241 * md.texi: Likewise.
12243 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12245 * config.gcc (sparc64-wrs-vxworks*): New case.
12246 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
12248 * config/sparc/sparc.c (sparc_override_options): Do support different
12249 pointer and architecture size.
12250 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
12251 (POINTERS_EXTEND_UNSIGNED): Define.
12252 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
12253 (FUNCTION_MODE): Define to be Pmode.
12254 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
12256 * function.c (expand_function_end): Properly handle DECL_RESULT
12257 and copy when ptr_mode != Pmode.
12258 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
12260 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12262 * c-common.c (c_common_nodes_and_builtins): Set prototype
12263 parameters for __builtin_fputs, __builtin_fputc and
12264 __builtin_fwrite. Don't declare plain fputc as a builtin.
12266 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
12268 * loop.c (add_label_notes): Increment the label usage count when
12269 a note is added to an insn which refers to a CODE_LABEL.
12270 * gcse.c (add_label_notes): Likewise.
12272 2001-01-01 Andreas Jaeger <aj@suse.de>
12274 * loop.c (scan_loop): Use xmalloc to allocate movables.
12276 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
12278 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
12279 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
12280 * reload1.c (REGISTER_MOVE_COST): Likewise.
12281 * regclass.c (REGISTER_MOVE_COST): Likewise.
12282 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
12283 dimension. Adjust all users.
12284 (init_reg_sets_1): Iterate on all modes.
12285 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
12286 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
12287 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
12288 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
12289 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
12290 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
12291 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
12292 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
12293 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
12294 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
12295 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
12296 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
12297 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
12298 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
12299 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
12300 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
12301 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
12302 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
12303 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
12304 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
12305 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
12306 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
12307 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
12308 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
12309 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
12310 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
12311 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
12313 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12315 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
12316 arg VARIES_P. Call it with extra arg.
12317 (true_dependence): Likewise.
12318 * rtl.h (rtx_addr_can_trap_p): Declare.
12319 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
12321 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
12322 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
12323 pic offset table register if it's zero. All callers changed.
12324 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
12326 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12328 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
12329 STRING_POOL_ADDRESS_P.
12331 * config/sparc/sparc.c (input_operand): Properly test for short op.
12333 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
12334 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
12335 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
12336 * config/sparc/elf.h: No longer include sol2.h.
12337 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
12338 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
12340 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
12342 2001-01-01 Michael Hayes <mhayes@redhat.com>
12344 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
12345 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
12346 (record_initial): Likewise.
12347 * unroll.c (copy_loop_body, loop_iterations): Likewise.
12348 (remap_split_bivs): Likewise.
12350 2001-01-01 Michael Hayes <mhayes@redhat.com>
12352 * loop.c (loop_ivs_free): New function.
12353 (strength_reduce): Break out from...
12355 2001-01-01 Michael Hayes <mhayes@redhat.com>
12357 * loop.h (struct iv): New.
12358 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
12359 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
12360 'reg_biv_class' fields with 'regs' and 'n_regs'.
12361 (struct ivs): Rename 'loop_iv_list' field to 'list'.
12362 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
12363 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
12365 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
12367 * resource.c (mark_referenced_resources): Abort() before
12368 attempting to mark a pseudo register.
12369 (mark_set_resources): Likewise.
12371 2001-01-01 Michael Hayes <mhayes@redhat.com>
12373 * loop.h (REG_IV_CLASS): New accessor macro.
12374 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
12375 * unroll.c (REG_IV_CLASS): Likewise.
12377 See ChangeLog.4 for earlier changes.