1 2001-06-04 Mark Mitchell <mark@codesourcery.com>
3 * c-tree.h (lang_decl): Add pending_sizes fields.
4 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
6 (c_expand_body): Expand them.
7 (lang_mark_tree): Mark lang_decl:pending_sizes.
8 * function.c (expand_pending_sizes): New function, broken out
10 (expand_function_start): ... here.
11 * tree.h (expand_pending_sizes): Declare it.
13 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
15 * doc/install.texi: Update FreeBSD information. Generalize
16 and update information for alpha-based platforms using ELF.
18 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
20 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
21 (store_parm_decls): Likewise.
22 * c-typeck.c (convert_arguments): Likewise.
24 2001-06-04 Richard Henderson <rth@redhat.com>
26 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
27 optimization if current_function_calls_setjmp.
29 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
31 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
34 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
36 * simplify-rtx.c (simplify_subreg): Fix combining of
39 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
41 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
42 (no_labels_between_p): Short circuit case beg==end.
44 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
46 * rtlanal.c (operand_preference): Fix preference for objects.
48 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
50 * gcse.c (handle_avail_expr): Be prepared to handle single_set
53 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
55 * combine.c (if_then_else_cond): Use simplify_subreg instead
57 * integreate.c (sub_constants): Likewise.
59 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
61 * emit-rtl.c (constant_subword): Deprecate; remove most of code
62 and use simplify_gen_subreg.
64 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
66 * sibcall.c (skip_copy_to_return_value): recognize the situation
67 when the called function's return value is copied into an
68 intermediate pseudo, and then into the calling functions return
71 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
73 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
74 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
75 in case register wasn't OK previously, accept it now; allow
76 subregs of frame pointer if reload completed and frame pointer
79 * combine.c (sombine_simplify_rtx): Fix comment;
80 use subreg_lowpart_offset instead of subreg_lowpart_p
81 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
82 * rtl.h (subreg_lowpart_parts_p): Kill.
83 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
84 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
85 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
86 (gen_lowpart_common): Likewise.
87 (subreg_lowpart_p): Likewise.
88 (subreg_lowpart_parts_p): Kill.
89 (subreg_lowpart_offset, subreg_highpart_offset): New function.
91 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
92 to simplify SUBREG and REG.
93 (gen_highpart): Use simplify_gen_subreg for all simplifications.
95 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
98 * rtlanal.c (replace_regs): Use simplify_gen_subreg
100 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
102 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
103 (ARRAY_RANGE_REF): Added description.
105 * tree.def (ARRAY_RANGE_REF): New code.
106 * alias.c (handled_component_p, can_address_p): Handle it.
107 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
108 * explow.c (set_mem_attributes): Likewise.
109 * expr.c (expand_assignment, get_inner_reference): Likewise.
110 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
111 * fold-const.c (operand_equal_p): Likewise.
112 * tree.c (staticp, stabilize_reference): Likewise.
113 * varasm.c (decode_addr_const): Likewise.
115 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
117 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
118 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
120 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
122 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
123 mark_constant_pool_use before output_addr_const.
124 (struct pool_node): New field wend.
125 (add_constant): Note a sequence of constants that are referenced
127 (pool_window_label, pool_window_last): New variables.
128 (dump_table): Emit a unspec_volatile representing the end of a
129 sequence of constants.
130 (mark_constant_pool_use): New function.
131 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
132 (consttable_2): Add the second operand which flags whether
133 this consttable entry was used or not.
134 (consttable_4, consttable_8, consttable_sf, consttable_df):
136 (consttable_window_end): New insn.
138 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
140 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
141 Reformat according to coding standards.
144 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
145 (shl_and_kind): Cast wide constant.
146 (gen_far_branch): Define as static, as in declaration.
147 (barrier_align): Compute cache-line length as unsigned. Add
148 parentheses in initial credit computation.
149 (rounded_frame_size): Add parentheses.
150 (permanent_obstack): Remove declaration. Include ggc.h for
151 declaration of ggc_add_root_rtx().
152 (get_free_reg): Removed declaration of unused variable reg.
153 (legitimize_pic_address): Mark mode argument as unused.
155 2001-06-03 Igor Shevlyakov <igor@windriver.com>
157 * config/sh/sh.c (output_branch): Support for insn with lenght
158 attr 12 & 16 which represents cond branches outside +-4096 range.
160 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
162 * config/sh/lib1funcs.asm (ic_invalidate): Align the
163 cache-mirroring sequence. Add nops.
165 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
167 * doc/install-old.texi: Remove more old installation
169 * doc/install.texi: Add relevant parts here.
171 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
173 * doc/install.texi2html: New script.
175 2001-06-03 David Edelsohn <edelsohn@gnu.org>
177 * doc/install.texi: Update AIX information again.
179 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
181 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
182 installation documentation.
183 * doc/install.texi: Move it to here.
185 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
187 * doc/install.texi: Clean up Texinfo markup.
189 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
191 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
192 to just after title page.
194 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
196 * doc/install-old.texi: Remove documentation of some configuration
198 * doc/install.texi: Add relevant parts of this documentation here.
200 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
202 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
203 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
205 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
207 * i386.md (all uses of ext_register_operand): Make sure they are
208 VOIDmode; replace all uses outside zero_extend.
209 (and?i splitters): Use ext_register_operands.
210 (test?i peep2): Remove ignored constraints.
211 * i386.c (ext_register_operand): Check that operand is
212 eighter pseudo or hard or 'Q' register.
214 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
216 * tree.h (struct record_layout_info_s): New field unpadded_align.
217 (set_lang_adjust_rli): New declaration.
218 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
219 it would have if not packed, do not downgrade DECL_ALIGN.
220 (lang_adjust_rli, set_lang_adjust_rli): New.
221 (start_record_layout): Initialize new field unpadded_align.
222 (debug_rli): Display it.
223 (place_union_field, place_field): Set it.
224 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
226 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
227 mean that; use proper names instead.
228 Print DECL_NO_STATIC_CHAIN.
230 * except.c (expand_builtin_frob_return_addr): Add missing call
231 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
232 (expand_builtin_eh_return): Likewise.
233 (expand_eh_return): Clean up ptr_mode != Pmode cases.
235 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
237 * doc/invoke.texi: Remove references to papers about sequence points
238 to readings.html, refer to that page.
240 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
242 * README: Update references to installation instructions.
244 2001-06-01 Laurent Guerby <guerby@acm.org>
245 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
247 * doc/install.texi: Define srcdir when sources come from CVS.
248 Significantly improve markup. Wrap overly long lines
250 2001-06-01 DJ Delorie <dj@redhat.com>
252 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
253 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi, objc.texi,
254 rtl.texi, tm.texi, texinfo.tex: Move to doc subdirectory.
255 * install.texi: Move to doc/install-old.texi.
256 * gcc.texi: Move to doc, refer to install-old.texi.
257 * Makefile.in: Reflect move of docs to doc/.
258 * f/Make-lang.in: Ditto.
259 * java/Make-lang.in: Ditto.
260 * doc/.cvsignore: New.
262 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
264 * invoke.texi: use two spaces between command options, eliminate
265 some 'overfull hboxes'
267 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
269 * Makefile.in (s-mlib): Make backtick-commands always succeed.
270 (DRIVER_DEFINES): Ditto.
272 2001-05-31 Richard Henderson <rth@redhat.com>
274 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
275 also link against libgcc.a.
277 2001-05-31 Geoff Keating <geoffk@cygnus.com>
279 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
280 * config/mips/mips.c (mips_output_ascii): New function.
281 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
283 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
285 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
287 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
288 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
290 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
292 * install.texi (Configuration): Add html links for --with-gnu-as &
293 --with-gnu-ld and refer to them from hppa & SCO triplets.
294 (Specific): Link back to with-gnu-ld for all ELF platfoms.
295 (Specific): Reword AVR binutils recommendation.
297 2001-05-30 Zack Weinberg <zackw@stanford.edu>
299 * ggc-page.c (size_lookup): Increase minimum allocation size
301 (ggc_print_statistics): Report size of each bin in bytes, not
302 as its order; there is no longer a direct relationship.
304 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
306 * extend.texi: Fix formating of examples, eliminate some
308 * gcc.texi: Eliminate some 'overfull hboxes'.
309 * invoke.texi: Use two spaces between command options, eliminate
310 some 'overfull hboxes'.
312 2001-05-30 Richard Henderson <rth@redhat.com>
314 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
316 2001-05-30 Tom Tromey <tromey@redhat.com>
318 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
319 use it in the new association.
321 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
322 John David Anglin <dave@hiauly1.hia.nrc.ca>
324 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
325 to target type to allow ISO C++ compiler to accept it.
326 * gthr-dce.h (__gthread_active_ptr): Likewise.
327 * gthr-solaris.h (__gthread_active_ptr): Likewise.
329 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
331 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
332 so that we do accept comments in preprocessed input.
334 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
336 * cpphash.c (alloc_node): Cast allocated pointer.
338 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
340 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
342 2001-05-29 Stan Shebs <shebs@apple.com>
344 * gcc.texi: Add links for information about Objective-C.
346 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
348 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
349 /bin/sed fails on [^\"]).
350 (configargs.h): Likewise.
352 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
354 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
356 2001-05-28 Stan Shebs <shebs@apple.com>
358 * objc/objc.gperf: Remove, no longer used.
360 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
362 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
363 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
364 Remove trailing whitespace.
366 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
368 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
369 became http://freeware.sgi.com/.
371 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
373 * local-alloc.c (update_equiv_regs): Don't eliminate constant
376 2001-05-27 Stan Shebs <shebs@apple.com>
378 * objc/objc-act.c: Add/fix various comments.
379 (init_selector): Remove, no longer used.
380 (build_msg_pool_reference): Ditto.
383 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
385 * c-decl.c (init_decl_processing):
386 Don't call start_identifier_warnings.
387 * flags.h (warn_id_clash, id_clash_len): Remove.
388 * stringpool.c: Don't include flags.h.
389 (scan_for_clashes, do_identifier_warnings,
390 start_identifier_warnings): Remove.
391 * toplev.c (warn_id_clash, id_clash_len): Remove.
392 (display_help): Don't document -Wid-clash.
393 (decode_W_option): Print warning on -Wid-clash.
394 * tree.h (start_identifier_warnings): Remove.
395 * invoke.texi: Remove documentation of -Wid-clash.
397 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
399 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
401 2001-05-27 Bruce Korb <bkorb@gnu.org>
403 * fixinc/check.tpl(HACK) add and use a Scheme variable
404 (has no test text): error out if no "test_text" is defined
405 * fixinc/fixincl.tpl: likewise
406 (FIXIDX): make it an enumeration so we minimize diffs
407 * fixinc/inclhack.def: re-alphabetize and add sort instructions
408 * fixinc/fixincl.x: regenerate
409 * fixinc/tests/base/stdio.h: test output got moved due to
411 * README-fixinc: rewrite (mostly)
413 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
415 * cpplib.c (run_directive): Set pfile->directive.
417 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
419 * c-tree.texi: Reformat the manual as a single chapter now
420 included by gcc.texi.
421 * gcc.texi: Include c-tree.texi. Merge all indexes.
422 * Makefile.in (dvi): Add generation for the cppinternals
423 documentation. Added dependencies on fdl.texi and c-tree.texi
424 where appropriate. Use TEXI2DVI instead of custom tex calls.
425 (info): Added dependencies on fdl.texi and c-tree.texi where
426 appropriate. Remove the target c-tree.info.
428 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
430 * combine.c (try_combine): Fix typo in comment.
431 * expr.c (expand_expr): Likewise.
432 * config/i370/i370.md (untyped_call): Likewise.
434 2001-05-26 Bruce Korb <bkorb@gnu.org>
436 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
437 when fixincl is operating in test mode
438 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
439 (AAB_ultrix_limits): remove redundant text
440 (AAB_ultrix_memory): ditto
441 (AAB_ultrix_string): ditto
442 (djgpp_wchar_h): fix the test text
443 (irix_stdio_va_list): add test text
444 (irix_limits_const): add a testing output file (limits.h is overwritten)
445 (strict_ansi_not_ctd): put limits.h second in list for same reason
446 (solaris27_mutex_init): test text needed selection text, too
448 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
449 when fixincl is operating in test mode
451 2001-05-26 Philip Blundell <philb@gnu.org>
453 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
454 * config/i960/i960-protos.h: Likewise.
455 * config/i370/i370-protos.h: Likewise.
456 * config/h8300/h8300-protos.h: Likewise,
457 * config/sh/sh-protos.h: Likewise.
458 * config/v850/v850-protos.h: Likewise.
460 2001-05-26 Philip Blundell <philb@gnu.org>
462 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
464 2001-05-25 Zack Weinberg <zackw@stanford.edu>
466 * toplev.c (debug_args, f_options, W_options): Mark
467 descriptions for translation.
468 (display_help): Translate descriptions on output.
470 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
471 objc/lang-options.h: Mark descriptions for translation.
473 * aclocal.m4: Quote final argument of patsubst. Use
474 3-argument form of AC_DEFINE. Restore quotes to [] while
476 * configure.in: Remove unnecessary changequote calls.
477 * configure, config.in: Regenerate.
479 2001-05-25 Sam TH <sam@uchicago.edu>
481 * basic-block.h: Fix header include guards.
482 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
483 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
484 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
485 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
486 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
487 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
488 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
489 varray.h version.h: Likewise.
490 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
491 config/arm/arm.h config/c4x/c4x-protos.h
492 config/h8300/h8300-protos.h config/h8300/h8300.h
493 config/i370/i370-protos.h config/i370/i370.h
494 config/i960/i960-protos.h config/mcore/mcore.h
495 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
496 config/v850/v850-protos.h config/v850/v850.h: Likewise.
497 * fixinc/fixlib.h fixinc/server.h: Likewise.
499 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
501 * config/arc/initfini.c (.init): Fix typo.
503 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
505 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
507 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
509 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
511 2001-05-25 Richard Henderson <rth@redhat.com>
513 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
515 2001-05-25 Richard Henderson <rth@redhat.com>
517 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
518 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
519 (sparc*-*-solaris2): Likewise.
520 * config/t-linux: Remove shared libgcc macros.
521 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
522 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
524 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
526 * config.gcc (*-*-freebsd*): Report bad configuration.
528 2001-05-25 David Edelsohn <edelsohn@gnu.org>
530 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
532 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
534 (ASM_OUTPUT_LABELREF): Delete.
536 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
538 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
539 strict_ansi_only): Don't run if stdc_0_in_system_headers.
540 * fixinc/fixincl.x: Regenerate.
541 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
542 (FIX_TEST_TABLE): Declare it.
543 * fixinc/fixlib.h: Include config.h.
545 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
547 * fixinc/inclhack.def (alpha___assert): Change char * args to
548 const char * on Tru64 UNIX to avoid excessive warnings from
550 * fixinc/fixincl.x: Regenerate.
552 2001-05-25 Geoff Keating <geoffk@redhat.com>
554 * dbxout.c (dbxout_symbol): Invert previous patch, which was
555 outputting a tag only for variable-size records.
557 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
559 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
560 instead of rtx_equal_p for early clobber test.
562 2001-05-26 Mark Mitchell <mark@codesourcery.com>
564 * builtins.def: Encode additional information, such as names and
566 * builtin-types.def: New file.
567 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
568 (built_in_decls): Likewise. Don't explicitly initialize global
570 (expand_builtin_mathfn): Handle float and long double variants of
572 (expand_builtin): Likewise.
573 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
574 (expand_tree_builtin): Handle long, long long, float, and long
575 double variants of math functions.
576 * c-common.h (c_tree_index): Remove some unused nodes.
577 (void_ftype): Remove.
578 (void_type_ptr): Likewise.
579 (int_ftype_int): Likewise.
580 (ptr_ftype_sizetype): Likewise.
581 * c-decl.c (init_decl_processing): Remove creation of DWARF
583 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
584 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
585 * Makefile.in (c-common.o): Depend on builtin-types.def.
587 2001-05-25 Dale Johannesen <dalej@apple.com>
589 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
591 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
593 * c-parse.in (notype_initdcl): Remove redundant line.
595 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
597 * aclocal.m4: Fixed typo.
598 (gcc_AC_HEADER_STDBOOL): Define.
599 (gcc_AC_C__BOOL): Define.
600 * configure.in: Use them.
601 (AC_CHECK_HEADERS): Remove stdbool.h
602 * configure, config.in: Regenerate.
604 2001-05-25 Richard Henderson <rth@redhat.com>
606 * function.c (expand_function_start): Don't abort on PARALLEL
607 returns from hard_function_value.
609 2001-05-25 Richard Henderson <rth@redhat.com>
611 * config/i386/i386.md: Revert previous change. Do not apply
612 the peephole if the components do not die after the sequence.
614 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
616 * c-parse.in (array_declarator): New. Handle C99 constructs.
617 Don't restrict [*] declarators to C only.
618 (after_type_declarator, parm_declarator_starttypename,
619 parm_declarator_nostarttypename, notype_declarator,
620 direct_absdcl1): Use it.
621 * c-decl.c (build_array_declarator, set_array_declarator_type):
622 New functions. Warn that [*] isn't properly implemented; pedwarn
623 for [*] outside C99 mode if pedantic rather than giving a hard
625 (grokdeclarator): Handle static and type qualifiers in parameter
627 * c-tree.h (build_array_declarator, set_array_declarator_type):
629 * extend.texi (Attribute Syntax): Document attributes in parameter
632 2001-05-25 Mark Mitchell <mark@codesourcery.com>
634 * config/i386/i386.md: Make sure cmpstr peepholes do not
635 affect liveness information.
637 2001-05-24 Mark Mitchell <mark@codesourcery.com>
639 * c-typeck.c (digest_init): Issue error messages about
640 invalid constants, not warnings.
642 2001-05-24 Mark Mitchell <mark@codesourcery.com>
644 * invoke.texi (-fno-builtin): Document that this is always on
647 2001-05-24 Philip Blundell <philb@gnu.org>
649 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
652 2001-05-24 Philip Blundell <philb@gnu.org>
654 * config/arm/arm.c (output_return_instruction): Correctly handle
655 interworking and interrupt functions.
657 2001-05-24 Philip Blundell <philb@gnu.org>
659 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
660 -m{no-}sched-prolog. Fix typos and improve formatting.
662 2001-05-24 Philip Blundell <philb@gnu.org>
664 * invoke.texi (ARM Options): Improve wording slightly. Add
665 documentation for more options, including those for Thumb mode.
666 Don't mention options that don't exist or are unimplemented.
667 (Thumb Options): Delete; merged into above section.
669 2001-05-24 Geoff Keating <geoffk@redhat.com>
671 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
672 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
674 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
676 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
677 fix hard register simplification.
679 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
681 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
682 of just copying CPP_CPU_SPEC.
684 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
686 * i386.c (incdec_operand): Accept only 1 and -1.
688 2001-05-23 Kelley Cook <kelley.cook@home.com>
690 * Makefile.in: Move many of the *_H definitions eariler in the
691 file, so that rules in t-* files that use them for
692 dependencies will work in a parallel build.
693 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
695 2001-05-23 Richard Henderson <rth@redhat.com>
697 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
699 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
701 * cpp.texi: Update for handling of charconsts.
702 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
703 diagnostics. Skip to the end if the UCS is too short.
704 (cpp_interpret_charconst): Long charconsts issue a warning
707 2001-05-23 Richard Henderson <rth@redhat.com>
709 * doc/install.texi (alpha-linux): Require binutils 2.11.
711 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
713 * c-lex.c (read_escape, read_ucs): Delete.
714 (lex_string): Use cpp_parse_escape.
715 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
716 if not C++ or not C99. Warn if traditional.
717 (parse_escape): Rename cpp_parse_escape. Make the bitmask
718 unsigned. Warn for out-of-range escape sequences here.
719 Update to use maybe_read_ucs.
720 (cpp_interpret_charconst): Don't warn here.
721 * cpplib.h (cpp_parse_escape): New exported function.
723 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
725 * extend.texi (Attribute Syntax): Clarify application of
726 attributes to parameters declared as functions or arrays.
728 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
730 * dbxout.c (dbxout_type_methods): Do still group methods by name.
732 2001-05-23 Zack Weinberg <zackw@stanford.edu>
734 * diagnostic.c (vnotice): Kill.
735 (fnotice): Call vfprintf directly.
736 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
737 verbatim, set_diagnostic_context): Rename string argument to
738 indicate that it is run through gettext.
739 (vbuild_message_string, build_message_string, output_do_printf):
740 Rename string argument to indicate that it is NOT run through
742 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
743 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
744 Run msgid argument through gettext.
745 (default_print_error_function): Run constant strings through
746 gettext when nothing else will.
747 (fatal_error, internal_error, error_recursion): Use fnotice.
748 Present complete sentences to gettext.
750 2001-05-23 Mark Mitchell <mark@codesourcery.com>
752 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
754 2001-05-23 Richard Henderson <rth@redhat.com>
756 * function.c (expand_function_start): Always use a pseudo
757 for the function result value.
759 2001-05-22 Richard Henderson <rth@redhat.com>
761 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
762 section pointer alignment.
764 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
766 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
767 of __USER_LABEL_PREFIX__.
769 2001-05-22 Richard Henderson <rth@redhat.com>
771 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
772 (__deregister_frame_info_bases): New.
773 * unwind-dw2-fde.h: Declare it.
774 * libgcc-std.ver: Export it.
775 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
776 called __register_frame_info_bases.
778 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
780 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
781 instead of #elif (which is OK for this case but not in general).
783 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
785 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
786 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
787 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
788 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
789 "r2" to the assembly file. Only issue allocs with non-zero parameters.
791 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
792 David O'Brien <obrien@freebsd.org>
794 * config/freebsd.h (LIB_SPEC): Key the exact setting to
795 configure-time options and target version of FreeBSD. Set-up
796 to match architectural change in threading support. Correctly
797 report when -pthread option is not supported by configure-time
799 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
800 and extend to encode target version number in run-time setting
801 of __FreeBSD__ macro to match the system compiler.
802 (CPP_PREDEFINES): Likewise.
803 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
805 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
806 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
808 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
809 David O'Brien <obrien@freebsd.org>
811 * config.gcc (the unlabeled system switch statement): Add
812 generic configuration section to handle *-*-freebsd*. Also,
813 to match the system compiler, default to threading support (it
814 may be disabled with the standard --disable-threads
815 configuration-time switch).
816 (i[34567]86-*-freebsd* in machine-specific section): Use it.
817 (alpha*-*-freebsd* in machine-specific section): Likewise.
819 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
820 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
821 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
822 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
823 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
825 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
826 David O'Brien <obrien@freebsd.org>
828 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
829 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
830 -pthread instead setting macro.
832 2001-05-22 Richard Henderson <rth@redhat.com>
834 * crtstuff.c (__register_frame_info_bases): Declare.
835 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
836 (__do_global_dtors_aux, __do_global_dtors): Streamline.
838 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
839 (CRT_GET_RFIB_DATA): New.
840 * config/i386/sysv4.h: Likewise.
841 * config/i386/sco5.h: Likewise.
842 (ASM_PREFERRED_EH_DATA_FORMAT): New.
844 2001-05-22 Richard Henderson <rth@redhat.com>
846 * rtl.c (read_string): Break out from ...
847 (read_rtx): ... here.
849 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
851 * doc/install.texi (Specific): Remove a bogus and duplicate part
852 copied from the end of the document.
854 2001-05-22 Bernd Schmidt <bernds@redhat.com>
856 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
858 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
860 * install.texi: Remove obsolete information on SunOS as well as
861 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
862 (Installing GNU CC on the Sun): Remove section.
864 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
866 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
867 keep errno unchanged on success.
869 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
871 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
872 once for hexadecimal floats, whether or not they contain a decimal
873 point. Don't let the setting of pedantic otherwise affect the
874 parsing of hexadecimal floats.
876 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
878 * README.ACORN: Remove obsolete file.
880 2001-05-22 Jan Hubicka <jh@suse.cz>
882 * combine.c (gen_binary): Use swap_commutative_operands_p
883 (simplify_comparison): Likewise.
884 * expmed.c (emit_store_flag): Likewise.
885 * expr.c (compare_from_rtx): Likewise.
886 (do_compare_rtx_and_jump): Likewise.
887 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
888 if not emitting a branch and operands want swapping.
890 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
892 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
893 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
894 (maybe_get_identifier): Update.
895 * tree.h (make_identifier): Delete.
897 2001-05-21 Richard Henderson <rth@redhat.com>
899 * combine.c (subst): Do not substitute for a register as
900 a destination subreg/strict_low_part/zero_extract.
902 * combine.c (simplify_comparison): Update op1 after constant
904 * recog.c (const_int_operand): Accept only constants valid
906 * genrecog.c: Update comments wrt const_int_operand.
908 * emit-rtl.c (init_emit_once): Zero unused memory in a
911 2001-05-21 Mark Mitchell <mark@codesourcery.com>
913 * tree.h (type_num_arguments): Declare it.
914 * tree.c (type_num_arguments): New function.
916 2001-05-21 Richard Henderson <rth@redhat.com>
918 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
921 2001-05-21 Geoff Keating <geoffk@redhat.com>
923 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
925 (minsf3): Use rs6000_emit_minmax.
926 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
928 (movsfcc): Use rs6000_emit_cmove.
929 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
930 Don't generate emit_fselsfsf4.
931 (fseldfsf4): Likewise.
932 (maxdf3): Use rs6000_emit_minmax.
934 (mindf3): Use rs6000_emit_minmax.
935 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
937 (movdfcc): Use rs6000_emit_cmove.
938 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
939 Don't generate emit_fselsfsf4.
940 (fselsfdf4): Likewise.
941 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
942 (min_max_operator): New predicate.
943 (rs6000_emit_cmove): New function.
944 (rs6000_emit_minmax): New function.
945 * config/rs6000/rs6000-protos.h: Prototype new functions.
946 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
947 and min_max_operator.
949 * config/rs6000/rs6000.c (output_cbranch): Handle all
950 conditional types in the switch statement.
952 2001-05-21 Mark Mitchell <mark@codesourcery.com>
954 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
955 non-register variables.
956 * extend.texi: Document that asm-specifications do not make sense
957 for non-static local variables.
959 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
961 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
962 (dbxout_type_fields): Lose minimal_debug support.
963 (dbxout_type_methods, dbxout_type): Likewise.
965 2001-05-17 Andrew Haley <aph@redhat.com>
967 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
969 2001-05-21 Richard Henderson <rth@redhat.com>
971 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
974 2001-05-20 Richard Henderson <rth@redhat.com>
976 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
977 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
978 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
979 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
980 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
982 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
983 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
984 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
985 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
986 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
987 DEBUG_PUBNAMES_SECTION): Rename as above.
988 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
990 2001-05-20 Richard Henderson <rth@redhat.com>
992 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
993 operands unless the operation is commutative.
995 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
997 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
1000 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
1002 * extend.texi: Clarify documentation of extensions included in ISO
1003 C99. Prefer C99 terminology and syntax to old GNU terminology and
1004 syntax. Add more index entries. Document mixed declarations and
1005 code as an extension in C89 mode. Warn about future changes to
1006 semantics of inline functions. Fixes PR other/930.
1008 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1010 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
1011 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1012 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
1013 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1015 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
1017 2001-05-20 Richard Henderson <rth@redhat.com>
1019 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
1020 to be output before a branch.
1022 2001-05-20 Richard Henderson <rth@redhat.com>
1024 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
1026 2001-05-20 Richard Henderson <rth@redhat.com>
1028 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
1029 (ASM_DOUBLE): Remove.
1030 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
1031 * config/i386/sun386.h: Likewise.
1033 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
1034 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
1036 * config/i386/cygwin.h (INT_ASM_OP): Remove.
1037 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
1038 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
1039 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
1041 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
1042 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
1043 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
1044 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
1045 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
1046 * config/i386/win32.h: Likewise.
1048 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1050 * invoke.texi: Add more options to summary list.
1052 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1054 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
1055 used. Fixes PR c/2291.
1056 * gcc.1: Regenerate.
1058 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1060 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
1061 the -fpic and -fPIC options, clear flag_pic.
1063 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1065 * hashtable.c (calc_hash): Fix HASHSTEP definition.
1066 * stringpool.c (make_identifier): No statistics here anymore.
1067 * objc-act.c (steup_string_decl): Remove redundant check.
1069 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1071 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
1072 cpplib.o, cpphash.o, fix-header): Update.
1073 (hashtable.o): New target.
1074 * c-common.h: Include cpplib.h. Define C_RID_CODE and
1075 struct c_common_identifier here.
1076 * c-lang.c (c_init_options): Update. Call set_identifier_size.
1077 * c-lex.c (c_lex): Update.
1078 * c-pragma.h: Update.
1079 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
1081 (C_RID_CODE): Delete.
1082 * cpphash.c: Rewrite to use hashtable.c.
1083 * cpphash.h: Update include guards.
1084 (struct cpp_reader): Remove hashtab.
1085 hash_ob and buffer_ob are no longer pointers. Add hash_table
1087 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
1088 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
1089 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
1090 * cppinit.c (cpp_create_reader): Update.
1091 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
1092 (cpp_interpret_charconst): Eliminate warning.
1093 * cpplib.c (do_pragma, do_endif, push_conditional,
1094 cpp_push_buffer, cpp_pop_buffer): Update.
1095 (_cpp_init_stacks): Rename cpp_init_directives.
1096 (_cpp_cleanup_stacks): Remove.
1097 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
1098 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
1099 cpp_forall_identifiers, cpp_create_reader): Update.
1100 (C_RID_CODE, cpp_make_node): New.
1101 (c_common_identifier): New identifier node for C front ends.
1102 * cppmain.c (main): Update.
1103 * fix-header.c (read_scan_file): Update.
1104 * flags.h (id_clash_len): Make unsigned.
1105 * ggc.h (ggc_mark_nonnull_tree): New.
1108 * stringpool.c: Update comments and copyright. Update to use
1110 * toplev.c (approx_sqrt): Move to hashtable.c.
1111 (id_clash_len): Make unsigned.
1112 * toplev.h (ident_hash): New.
1113 * tree.c (gcc_obstack_init): Move to hashtable.c.
1114 * tree.h: Include hashtable.h.
1115 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
1116 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
1117 (struct tree_identifier): Update.
1118 (make_identifier): New.
1120 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
1121 (C_RID_CODE): Remove.
1122 * lex.c (cxx_init_options): Call set_identifier_size. Update.
1123 (init_parse): Don't do it here.
1125 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
1127 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
1129 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
1131 (expand_eh_return): Convert between word_mode and Pmode.
1132 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
1134 (execute_stack_op): Likewise.
1135 (execute_cfa_program): Likewise.
1136 (uw_frame_state_for): Likewise.
1137 (uw_update_context_1): Likewise.
1138 * unwind.inc (_Unwind_Reason_Code): Likewise.
1139 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
1140 (EH_RETURN_STACKADJ_RTX): Likewise.
1141 * config/mips/mips.c (compute_frame_size): Make space for saving
1142 EH return registers.
1143 (mips_expand_epilogue): Handle EH stack adjustments.
1144 * config/mips/mips.md (eh_return): New pattern.
1145 (eh_set_lr_si): Likewise.
1146 (eh_set_lr_di): Likewise.
1147 Add splitter to perform EH return after reload.
1149 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1151 * jump.c (mark_jump_label): Tidy previous change.
1153 2001-05-19 Bruce Korb <bkorb@gnu.org>
1155 * fixinc/genfixes: no need for two warnings
1156 * fixinc/Makefile.in: open stdin for those building with a closed one.
1158 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1160 * jump.c (jump_optimize_1): Tidy.
1161 (mark_jump_label): When changing the label in a LABEL_REF, change
1162 update any REG_EQUAL notes as well.
1164 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
1166 * c-parse.in (parm_declarator): Split into
1167 parm_declarator_starttypename and parm_declarator_nostarttypename.
1168 (parm_declarator_starttypename, parm_declarator_nostarttypename):
1169 New. Allow parenthesised sub-declarators which don't begin with a
1170 TYPENAME. Fixes PR c/166.
1172 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1174 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
1176 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1178 * toplev.c (main): If the target does not allow profiling without
1179 a frame pointer, issue an error message.
1180 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1183 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1185 * recog.c (general_operand): Modify last change to allow it if reload
1188 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1190 * recog.c (general_operand): Prohibit nonzero subreg bytes on
1191 subregs containing mem.
1193 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
1195 * regrename.c (regrename_optimize): frame pointer register can
1198 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
1200 * README.DWARF: Move into dwarfout.c.
1202 2001-05-18 Dale Johannesen <dalej@apple.com>
1204 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
1205 specific misuse of r0 as a reload address.
1207 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1209 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
1212 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1214 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
1215 (add_to_sequence): Make that decision type.
1216 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
1217 (write_switch, write_cond, debug_decision_2): Likewise.
1219 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
1221 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
1224 2001-05-18 Stan Shebs <shebs@apple.com>
1226 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
1227 * configure: Regenerate.
1229 2001-05-18 Per Bothner <per@bothner.com>
1231 Changes needed for java/jvspec.c
1232 * gcc.h (n_infiles, outfiles): Add declarations.
1233 * gcc.c (n_infiles, outfiles): Mske no longer static.
1235 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
1237 * config/pa/som.h (EXCEPTION_SECTION): Define.
1239 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
1241 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
1243 Add have_location_lists, a variable to determine whether we need a
1244 .debug_loc section or not.
1245 (enum dw_val_class): Add dw_val_class_loc_list.
1246 (dw_val_struct): Add val_loc_list.
1247 (dw_loc_list_struct): New structure, represents location lists.
1248 (new_loc_list): New function, return a new location list, given
1249 the range and location expression.
1250 (add_loc_descr_to_loc_list): New function, add a location
1251 expression to a location list, given the expression and range.
1252 (output_loc_list): New function, output a location list.
1253 (gen_internal_sym): Modified to take symbol prefix, so we can
1254 reuse it for location list symbols.
1255 (add_AT_loc_list): New function, add a location list to a DIE at
1256 the named attribute.
1257 (AT_loc_list): New function, return the location list reference
1258 for a given attribute, if it's a location list.
1259 (print_die): Handle dw_val_class_loc_list.
1260 (size_of_die): Ditto.
1261 (value_format): Ditto.
1262 (output_die): Ditto.
1263 (output_location_lists): New function, output all of the location
1264 lists for a DIE and it's children.
1265 (dwarf2out_finish): Call output_location_lists if we have location
1269 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1271 * gcse.c (try_replace_reg): First try global replace, later try to
1272 simplify the expression.
1274 * gcse.c (find_used_regs): Change calling convention; work via
1276 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
1278 2001-05-18 Bernd Schmidt <bernds@redhat.com>
1281 2001-02-09 Nick Clifton <nickc@redhat.com>
1282 * config/arm/arm.md: Change output constraint on post inc
1283 load/store multiple patterns to be a read/write constraint.
1285 2001-05-18 Mark Mitchell <mark@codesourcery.com>
1287 * basic-block.h (struct basic_block_def): Add documentation about
1288 what a basic block is, and what the various fields are used for.
1289 * flow.c (calculate_globlal_regs_live): Add documentation about
1290 how the algorithm works, and how we know that it will terminate.
1291 Check that the the inductive assumption that guarantees
1292 termination actually holds.
1293 (mark_used_regs): Treat conditionally set registers as used.
1294 (debug_regset): Add comment.
1295 * rtl.texi (cond_exec): Add documentation.
1297 * function.c (expand_function_start): Avoid creating BLKmode
1300 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1302 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
1303 DIE, even if it has no children.
1304 (dwarf2out_finish): Always output the line-number table, even if
1307 2001-05-18 David Edelsohn <edelsohn@gnu.org>
1309 * rs6000.md (movsfcc,movdfcc): Remove NE case.
1311 2001-05-17 Bruce Korb <bkorb@gnu.org>
1313 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
1314 * fixinc/genfixes: emit a warning if AutoGen is out of date
1316 2001-05-17 Brendan Conoboy <blc@cygnus.com>
1317 Bruce Korb <bkorb@gnu.org>
1319 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
1320 found in fixinc directory. Facilitates binary distributions.
1322 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
1324 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
1327 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
1329 * dwarf2out.c (modified_type_die): Equate qualified type to die.
1331 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1333 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
1334 (simplify_subreg): Handle complex types represented as CONCAT.
1336 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
1337 * rtl.h (swap_commutative_operands_p): Declare.
1338 * rtlanal.c (swap_commutative_operands_p): New.
1339 (operand_preference): New static function.
1341 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
1342 (gen_binary): Likewise.
1343 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
1344 * simplify-rtx.c (simplify_gen_binary,
1345 simplify_gen_relational): Likewise.
1347 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1349 * cse.c (fold_rtx): Use simplify_subreg.
1351 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
1352 (simplify_gen_subreg): New.
1353 (simplify_rtx): Use simplify_subreg.
1354 * rtl.h (simplify_gen_subreg): Declare.
1356 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1358 * doc/install.texi: Update Solaris information.
1360 * except.h (protect_cleanup_actions): Remove it.
1361 (lang_protect_cleanup_actions): Declare it.
1362 * except.c (protect_cleanup_actions): Remove it.
1363 (lang_protect_cleanup_actions): New variable.
1364 (init_eh): Don't make protect_cleanup_actions a GC root.
1365 (expand_eh_region_and_cleanup): Call
1366 lang_protect_cleanup_actions.
1367 (output_function_exception_table): Remove unused `align'
1369 * varasm.c (assemble_external): Abort if we have not yet
1370 opened the assembly output file.
1372 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
1374 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
1375 for eh_personality_libfunc.
1377 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1379 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
1380 when calling simplify_subreg. This is needed to allow replacing
1381 of expression of one mode by expression of different mode.
1383 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1385 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
1387 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1389 * expr.c (protect_from_queue): Protect against subsequent calls to
1391 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
1394 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
1396 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
1398 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1400 * gccbug.in (CATEGORIES): Add "bootstrap".
1402 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1404 * simplify-rtx.c (simplify_subreg): Break out from ...
1405 * combine.c (combine_splify_rtx) ... here and ...
1406 * recog.c (validate_replace_rtx_1): ... here;
1407 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
1408 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
1409 (subreg_lowpart_p): ... here.
1411 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1413 * stmt.c (expand_asm_operands): For inout operands, make sure
1414 the substitution of '=' for '+' makes it into the rtl.
1416 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
1417 (reload_as_needed): Call update_eliminable_offsets a bit later.
1419 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1421 * gcc.texi (gccbug): Refer to the web pages for detailed information
1424 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1426 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
1428 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
1429 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
1430 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
1431 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
1432 * cross-make: Don't set LIBGCC1.
1433 * mklibgcc.in: Delete all code for building from libgcc1.c.
1434 Always honor LIB1ASMFUNCS if set.
1436 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
1437 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
1438 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
1439 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
1440 config/i386/uwin.asm, config/m68hc11/larith.asm,
1441 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
1442 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
1443 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
1444 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
1445 Delete or update references to libgcc1 in commentary.
1447 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
1448 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
1449 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
1450 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
1451 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
1452 config/arm/t-semi, config/arm/t-strongarm-coff,
1453 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
1454 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
1455 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
1456 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
1457 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
1458 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
1459 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
1460 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
1461 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1462 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
1463 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
1464 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
1465 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
1466 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
1467 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
1468 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
1469 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
1470 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
1471 config/mips/t-ultrix, config/mn10200/t-mn10200,
1472 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
1473 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
1474 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
1475 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
1476 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
1477 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
1478 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
1479 config/sparc/t-sparclite, config/sparc/t-splet,
1480 config/sparc/t-sunos41, config/sparc/t-vxsparc,
1481 config/sparc/t-vxsparc64, config/v850/t-v850:
1482 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
1484 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
1485 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
1486 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
1487 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
1488 nongcc_SI_type, nongcc_word_type, or perform_*
1489 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
1491 * config/i386/386bsd.h, config/i386/beos-elf.h,
1492 config/i386/linux-aout.h, config/i386/linux-oldld.h,
1493 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
1494 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
1495 Don't include i386/perform.h.
1497 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
1498 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
1499 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
1500 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
1501 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
1502 config/vax/t-openbsd, config/vax/t-vax: Delete.
1504 * config.gcc: Remove references to deleted files.
1505 (arm-semi-aof): Use arm/t-semi for tmake_file.
1507 * gcc.texi, install.texi, invoke.texi, tm.texi:
1508 Delete or rewrite text which is no longer relevant now that
1509 libgcc1 no longer exists.
1511 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
1512 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
1514 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
1515 Bruce Korb <bkorb@gnu.org>
1517 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
1520 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1522 * i386.md: Add two peepholes to clean up code generated by
1525 2001-05-16 Richard Henderson <rth@redhat.com>
1527 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
1528 variants of non-absolute encodings.
1530 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1532 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
1533 __register_frame_info_table_bases): Export.
1535 2001-05-16 Richard Henderson <rth@redhat.com>
1537 * except.c (eh_data_format_name): Move to ...
1538 * dwarf2asm.c: ... here. Use designated initializers if available.
1539 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
1540 * dwarf2asm.h: Update declarations.
1541 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
1542 ASM_PREFERRED_EH_DATA_FORMAT.
1543 (output_call_frame_info): Likewise. Use 'L' augmentation for
1546 * unwind-dw2-fde.h (struct fde_vector): New.
1547 (struct old_object): Rename from struct object.
1548 (struct object): New.
1549 (__register_frame_info_bases): Declare.
1550 (__register_frame_info_table_bases): Declare.
1551 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
1552 * unwind-dw2-fde.c (objects): Remove.
1553 (unseen_objects, seen_objects): New.
1554 (__register_frame_info_bases): New.
1555 (__register_frame_info): Use it.
1556 (__register_frame_info_table_bases): New.
1557 (__register_frame_info_table): Use it.
1558 (__deregister_frame_info): Rewrite for changed object struct.
1559 (base_from_object, get_cie_encoding, get_fde_encoding): New.
1560 (fde_unencoded_compare): Rename from fde_compare; uninline.
1561 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
1562 (start_fde_sort): Adjust for new definition of fde_vector.
1563 (fde_insert): Likewise.
1564 (end_fde_sort): Likewise. Select comparison function based
1565 on properties of the object.
1566 (fde_split): Take object and fde_compare_t arguments.
1567 (frame_heapsort, fde_merge): Likewise.
1568 (classify_object_over_fdes): Rename from count_fdes. Handle
1569 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
1571 (add_fdes): Handle encoded pointers.
1572 (init_object): Rename from frame_init. Update for new struct object.
1573 (linear_search_fdes): Rename from search_fdes. Handle encoded
1575 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
1576 (binary_search_single_encoding_fdes): New.
1577 (binary_search_mixed_encoding_fdes): New.
1578 (search_object): New.
1579 (_Unwind_Find_FDE): Update for new struct object. Fill in
1581 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
1582 iterating over EH data.
1583 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
1584 fde_encoding, lsda_encoding.
1585 (read_uleb128, read_sleb128): Remove.
1586 (read_encoded_pointer): Remove. All callers use read_encoded_value.
1587 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
1588 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
1590 * unwind-pe.h: Add "struct" to _Unwind_Context references.
1592 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1594 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
1595 * cpphash.c (_cpp_lookup_with_hash): Similarly.
1596 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
1597 cpp_spell_token, cpp_output_token): Similarly.
1598 * cpplib.c (lex_macro_node, do_undef, do_pragma,
1599 do_pragma_poison, parse_assertion, do_assert): Similarly.
1600 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
1601 save_parameter, _cpp_create_definition, check_trad_stringification,
1602 cpp_macro_definition): Similarly.
1603 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
1604 * c-lex.c (cb_undef, c_lex): Similarly.
1605 * fix-header.c (recognized_function): Similarly.
1606 * cpplib.h (NODE_LEN, NODE_NAME): New.
1607 (cpp_hashnode): Rename length len.
1609 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
1611 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1614 2001-05-16 Andreas Jaeger <aj@suse.de>
1616 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1618 * toplev.c: Include dwarf2asm.h for prototype of
1619 dw2_output_indirect_constants.
1621 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1623 * stmt.c (expand_asm_operands): Be able to offload addressof
1624 expression to memory. (PR optimization/185)
1626 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
1628 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
1629 applying distributive law.
1631 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1633 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1635 * gthr-dce.h (UNUSED): Attribute unused macro.
1636 (__gthread_key_dtor): Make arguments UNUSED.
1637 (__gthread_key_delete): Revise for compatibility with DRAFT4
1640 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1642 * doc/install.texi: Update AIX information.
1643 * README.RS6000: Remove obsolete file.
1645 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1646 Nathan Sidwell <nathan@codesourcery.com>
1648 * gcc.c (give_switch): Don't write before start of string.
1649 Always append suffix.
1651 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1653 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1656 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1658 * README.ALTOS: Remove obsolete file.
1660 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1662 * c-lex.h (save_and_forget_protocol_qualifiers,
1663 forget_protocol_qualifiers, remember_protocol_qualifiers):
1664 Remove deleted functions' prototypes.
1666 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1668 * c-parse.in (methodtype): New production.
1669 (methoddef, methodproto): Collapse separate '-' and '+'
1672 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1674 * c-common.h (RID_FIRST_PQ): New.
1675 * c-parse.in (objc_pq_context): New.
1676 (objc parser): Set objc_pq_context rather than calling
1677 remember_protocol_qualifiers and forget_protocol_qualifiers.
1678 Don't call save_and_forget_protocol_qualifiers.
1679 (yylexname): Handle objc protocol qualifiers here.
1680 * stringpool.c (struct str_header): Replace with sp_hashnode.
1681 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
1682 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
1683 Allocate an IDENTIFIER_NODE for each identifier.
1684 (FORALL_STRINGS, set_identifier): Delete.
1685 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
1686 (ggc_alloc_string): Use an obstack.
1687 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1688 * tree.h: Update comments.
1689 (set_identifier): Delete.
1690 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
1691 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
1692 remember_protocol_qualifiers): Delete.
1694 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
1696 * flow.c (life_analysis): After life analysis is complete, do
1697 an optional scan over insns looking for REG_LABEL notes that
1698 reference a deleted label.
1699 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1700 before peeking at LABEL_NUSES.
1702 2001-05-15 Richard Henderson <rth@redhat.com>
1704 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1705 (_Unwind_GetTextRelBase): New.
1707 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1709 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1711 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
1713 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
1714 so that CHOOSE_SECTION gets used.
1716 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
1717 TARGET_RELOCATABLE like flag_pic for now.
1719 2001-05-15 David Edelsohn <edelsohn@gnu.org>
1721 * rs6000.md (movdi splitter): Sign extend more efficiently.
1722 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
1723 to "long long" valid on 32-bit and 64-bit hosts.
1724 (logical_operand): Cast trunc_int_for_mode return value.
1725 (rs6000_emit_move): Shift macro to encapsulate variable.
1726 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
1727 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
1728 plus_constant requires signed argument.
1730 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1732 * gthr-posix.h: Make additional pthread-* functions weak.
1734 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1736 * recog.c (apply_change_group): Avoid unneeded validating.
1738 2001-05-14 David Edelsohn <edelsohn@gnu.org>
1740 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
1741 (num_insns_constant): CONST_INT can be 64-bits.
1743 2001-05-14 Stan Shebs <shebs@apple.com>
1745 * config/darwin.h (LIB_SPEC): Just use -lSystem.
1746 (LIBGCC_SPEC): Don't define.
1748 2001-05-14 Richard Henderson <rth@redhat.com>
1750 * configure.in (gcc_cv_as_eh_frame): New test.
1751 * config.in, configure: Rebuild.
1752 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1754 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1756 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1757 extended precision divide.
1759 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1761 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1762 for RETURNS as well.
1764 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1766 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
1767 (CPP_CPU??_SIZE_TYPE): New.
1768 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
1769 (CPP_CPU_SPEC): ... here; support choosing of CPU.
1770 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
1771 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
1773 * i386.c (override_options): Add sorry about not suported modes.
1775 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
1777 * config/pa/som.h (NM_FLAGS): Remove.
1778 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1779 (ASM_OUTPUT_SECTION_NAME): Remove.
1780 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1782 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1784 * regrename.c (regrename_optimize): Do not rename registers to
1787 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1789 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1790 contain MEMs. Remove useless distinction about clobbering
1793 2001-05-13 Geoff Keating <geoffk@redhat.com>
1795 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
1796 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
1797 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
1798 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1799 (EXCEPTION_SECTION): Define.
1801 2001-05-13 Zack Weinberg <zackw@stanford.edu>
1803 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
1804 binary backward compat only.
1805 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
1806 in LIB2FUNCS. Pass it to mklibgcc.
1807 * mklibgcc.in: Handle LIB2FUNCS_ST.
1809 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
1811 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1813 * tm.texi (THREAD_MODEL_SPEC): Document it.
1814 * gcc.c (main): Use it.
1815 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1816 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1818 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1820 * rtl.h (SYMBOL_REF_WEAK): New macro.
1821 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1822 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1823 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1824 * gcc.texi: Remove wrong description.
1826 2001-05-13 Mark Mitchell <mark@codesourcery.com>
1828 * Makefile.in (STAMP): New macro.
1829 Replace all uses of `touch' with $(STAMP).
1830 * fixinc/Makefile.in: Likewise.
1832 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1834 * configure.in: ldopen is never in -lexc, so don't test for it.
1835 Add test for exc_resume in -lexc for Ada.
1836 * configure: Regenerated.
1838 2001-05-12 Richard Henderson <rth@redhat.com>
1840 * dwarf2asm.c (size_of_encoded_value): New function.
1841 * dwarf2asm.h: Declare it.
1842 * except.c (output_function_exception_table): Align the TType
1843 array only as wide as the encoding.
1845 2001-05-12 Zack Weinberg <zackw@stanford.edu>
1847 * extend.texi: Document #pragma GCC java_exceptions.
1849 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1851 * c-parse.in (bison parser, init_reswords): Remove uses of
1853 * c-tree.h (doing_objc_thang): Remove.
1855 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1857 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
1858 about files not ending in newlines.
1860 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1862 * dwarfout.c (dwarfout_init): Add cast.
1863 * sched-deps.c (sched_analyze_insn): Remove unused vars.
1864 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
1866 * method.c (build_mangled_C99_name): Remove unused prototype.
1868 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1870 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
1872 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1874 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
1875 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
1877 2001-05-11 Richard Henderson <rth@redhat.com>
1879 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1880 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
1881 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
1882 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
1883 (dw2_output_indirect_constants): Prototype.
1884 * dwarf2out.c (dwarf2out_begin_prologue): Generate
1885 current_function_func_begin_label if we'll need it for EH. Exit
1886 early for IA64_UNWIND_INFO.
1887 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
1888 (eh_data_format_name): Update for indirect references.
1889 (output_function_exception_table): Care for IA64_UNWIND_INFO.
1890 Handle ASM_PREFERRED_EH_DATA_FORMAT.
1891 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
1892 define HAVE_eh_return etc.
1893 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
1894 (final_end_function): Don't call output_function_exception_table.
1895 * toplev.c (compile_file): Call dw2_output_indirect_constants.
1896 (rest_of_compilation): Invoke output_function_exception_table
1897 for ia64 before assemble_end_function.
1898 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
1899 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
1901 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
1902 * unwind.h: Declare them.
1903 * libgcc-std.ver: Export them.
1904 * unwind-pe.h: New file.
1906 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1908 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
1910 (find_fde_for_dso): Extract DT_PLTGOT.
1911 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
1912 the segment and gp as well.
1913 * config/ia64/frame-ia64.c: Remove file.
1914 * config/ia64/frame-ia64.h: Remove file.
1915 * config/ia64/unwind-ia64.c: New file.
1916 * config/ia64/unwind-ia64.h: New file.
1917 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
1918 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
1919 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
1920 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1921 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1922 (IA64_UNWIND_INFO): Re-enable.
1923 (HANDLER_SECTION): Remove.
1924 (EH_RETURN_DATA_REGNO): New.
1925 * config/ia64/ia64.md (exception_receiver): Remove.
1926 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
1927 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
1929 2001-05-11 Richard Henderson <rth@redhat.com>
1931 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
1932 calls and jumps to be bundled together.
1933 (ia64_reorg): Emit a break after a noreturn call that ends
1935 * config/ia64/ia64.md (break_f): New.
1937 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1939 * c-lex.c (lex_charconst): Convert into a simple wrapper
1940 around cpp_interpret_charconst, to which most of the code
1942 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
1943 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
1944 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
1945 (lex): Use cpp_interpret_charconst.
1946 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
1947 hex_digit_value): New functions.
1948 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
1949 * cpplib.h (cpp_interpret_charconst): New prototype.
1950 * Makefile.in: Update.
1952 2001-05-12 Dean Wakerley <dean@wakerley.com>
1954 * doc/install.texi: New file. Converted to texinfo from the HTML
1955 documentation in wwwdocs/htdocs/install.
1957 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
1959 * gcse.c (insert_insn_end_bb): Do not search for assignments to
1960 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1962 * toplev.c (compile_file): Move comment for opening output
1963 file to just before the code that opens the output file.
1965 2001-05-11 Jakub Jelinek <jakub@redhat.com>
1967 * regmove.c (regmove_optimize): Suppress the optimization for
1968 unchanging destination register. Add comment above function.
1970 2001-05-11 Zack Weinberg <zackw@stanford.edu>
1972 * Makefile.in: Exterminate all references to assert.h.
1973 * cross-make: Likewise.
1975 * configure.in: Correct commentary.
1976 * configure: Regenerate.
1978 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
1981 * config/t-freebsd, config/t-linux, config/t-linux-aout,
1982 config/t-netbsd, config/t-rtems, config/x-linux,
1983 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
1984 No need to override INSTALL_ASSERT_H.
1986 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
1987 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
1988 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
1990 2001-05-11 Graham Stott <grahams@redhat.com>
1992 * combine.c (simplify_comparison): Fix typo.
1994 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1996 * loop.h (struct movables): Remove `num'.
1997 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
1998 Adjust call to strength_reduce.
1999 (num_unmoved_movables): New function.
2000 (move_movables): Don't set movables->num.
2001 (strength_reduce): Compute the number of instructions in the loop
2002 here, rather than in the caller.
2003 (check_dbra_loop): Always clear reversible_mem_store if there
2004 are any memory sets.
2005 (loop_regs_scan): Don't count instructions here.
2006 (count_insn_in_loop): New function.
2008 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2010 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
2012 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
2014 * c-common.c (finish_label_expr): New function, lifted from
2015 from cp/semantics.c.
2016 * c-common.h (finish_label_expr, lookup_label): New prototypes.
2017 * c-parse.in: Move 3 blocks of parser code into new functions.
2018 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
2019 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
2020 (lookup_label): Remove.
2022 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
2024 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
2025 FLOAT_BIT_ORDER_MISMATCH.
2027 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2029 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
2030 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
2032 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2034 * expr.c (emit_group_load): extract_bit_field requires a REG or
2037 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
2039 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
2040 a computed jump into an unconditional jump.
2041 In second hunk of code for collapsing computed and conditional jumps
2042 into unconditional jumps, reemit the jump in additional cases.
2044 * jump.c (jump_optimize_1): Do not wrap the new jump target
2045 inside a LABEL_REF; gen_jump will do that automatically.
2047 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
2049 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
2050 contents for a SYMBOL_REF in case of floating point constants.
2052 2001-05-10 DJ Delorie <dj@redhat.com>
2054 * c-common.c (combine_strings): Widen strings in a
2055 host-endian-independent way.
2057 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
2059 * c-parse.in: Remove many shift/reduce conflicts. Update
2061 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
2062 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
2063 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
2064 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
2065 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
2066 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
2067 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
2068 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
2069 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
2070 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
2071 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
2072 typespec_reserved_nonattr, typespec_reserved_attr,
2073 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
2074 structsp_nonattr, components_notype, component_notype_declarator,
2075 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
2076 firstparm, setspecs_fp): New
2077 (typed_declspecs, reserved_declspecs, typed_typespecs,
2078 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
2079 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
2080 declmods_no_prefix_attr, nonempty_type_quals, structsp,
2081 type_quals): Remove. Users updated.
2082 (initdecls, notype_initdecls, after_type_declarator,
2083 parm_declarator, notype_declarator, absdcl1, components, ivars):
2084 Don't allow attributes at the start of a declarator; include them
2085 in the production containing the declarator instead. Always
2086 require type specifiers before trying to redeclare a typedef name.
2087 (typename): Allow for attributes but warn that they are ignored.
2088 (parmlist, firstparm, setspecs_fp): Include attributes in
2089 parmlist; suck them off the parser stack in firstparm using
2092 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
2094 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
2095 to determine if a block has an unconditional jump at its end.
2097 * jump.c (jump_optimize_1): When converting a conditional jump
2098 to an unconditional jump, build the jump using gen_jump instead
2099 of just modify operands in-place.
2101 2001-05-09 Zack Weinberg <zackw@stanford.edu>
2103 * cppinit.c (cpp_post_options): Shut off macro expansion if
2105 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
2106 IN_I directives only if the # is in column 1 and the directive
2107 name begins in column 2.
2108 * cppmain.c (scan_buffer): Insert a space between # and an
2109 identifier, when that identifier is a directive name.
2111 * tradcpp.c (struct file_buf): Add a pointer to the next entry
2112 in the header search path.
2113 (enum node_type): Add T_INCLUDE_NEXT.
2114 (directive_table): Add entry for include_next.
2115 (do_include_next): New function.
2116 (process_include): New routine, broken out of do_include.
2117 (finclude): Insert 'nhd' argument, to be copied into
2118 next_header_dir of the new buffer.
2119 (main): Adjust to match.
2120 * gsyslimits.h, limity.h: Un-indent #include_next.
2122 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
2124 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
2125 inclusion as a chapter of the GCC manual.
2126 * gcc.texi: Include objc.texi.
2127 * fdl.texi: Use @unnumberedsec for the addendum.
2128 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
2130 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2132 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
2134 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
2136 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
2137 handling of two-address insns.
2139 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
2141 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
2142 ../binutils/nm-new instead of ../binutils/nm.
2144 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2146 * i386.md (movdi splitter): Fix the splitting condition
2147 (float_extenddftf splitter): Fix mode.
2149 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
2151 * genrecog.c (write_switch): Avoid outputting of switch for
2152 types wider than int.
2154 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
2156 * reload1.c (copy_eh_notes): New function.
2157 (emit_input_reload_insns): Call it.
2158 (emit_output_reload_insns): Call it.
2160 2001-05-07 Zack Weinberg <zackw@stanford.edu>
2162 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
2164 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
2165 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
2167 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
2169 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
2171 * pa.md (interspace_jump): Revise comment.
2172 (builtin_longjmp): Block initial setup insns from delay slot of
2174 (builtin_setjmp_receiver): New expander to save and restore PIC
2177 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
2179 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
2181 * toplev.c (compile_file): Set up the output file before we call
2182 the various initializers for the compiler.
2184 * except.c (sjlj_mark_call_sites): Do not search for assignments to
2185 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2187 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
2188 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
2190 2001-05-06 Zack Weinberg <zackw@stanford.edu>
2192 * Makefile.in (tradcpp0): Correct typo in dependency list.
2194 2001-05-06 Geoff Keating <geoffk@redhat.com>
2196 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
2197 the link register if we're not going to use it.
2199 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
2200 (output_function_profiler): Likewise.
2202 2001-05-07 Alan Modra <amodra@one.net.au>
2204 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
2206 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
2208 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
2209 zero-extend it. Make abs_inc unsigned.
2211 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
2212 widest mode in narrowing and widening operations.
2214 * config/mips/mips.md: Sign extend CONST_INTs.
2216 2001-05-06 Andreas Jaeger <aj@suse.de>
2218 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
2219 (i386 Options): Document -momit-leaf-frame-pointer.
2221 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
2223 * c-typeck.c (internal_build_compound_expr): Check for
2224 array to pointer conversion just once.
2226 2001-05-05 Richard Henderson <rth@redhat.com>
2228 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
2230 2001-05-05 Richard Henderson <rth@redhat.com>
2232 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
2233 to the parent of the fixup region.
2235 2001-05-05 Jakub Jelinek <jakub@redhat.com>
2237 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
2239 * cpp.texi (__NO_INLINE): Document it.
2241 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
2243 * cppfiles.c (struct include_file): New member err_no.
2244 (find_or_create_entry): Set it.
2245 (open_file): Don't set fds to -2. Instead, use err_no to
2246 remember previous errors, if any.
2248 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2250 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
2251 between X and Y by using sequences of xgdx and xgdy.
2253 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2255 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
2256 of '!' for the 'D' alternative ('!' is too strong).
2257 ("*logicalsi3_silshl16"): Likewise.
2258 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
2259 ("movstrictsi"): Remove spurious '+'.
2260 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
2261 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
2262 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
2265 2001-05-04 David Edelsohn <edelsohn@gnu.org>
2267 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
2269 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
2271 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
2274 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2276 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
2279 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2281 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
2282 soft register, use ror instead of rol.
2284 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2286 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
2287 into account pre/post increment decrement for 68HC12.
2288 Fix other problems in replacement and fix call to reg_mentioned_p.
2290 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2292 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
2293 Put the soft registers in bss for 68HC12.
2294 (L_regs_d3_4): New for _.d3 and _.d4.
2295 (L_regs_d5_6): Likewise.
2296 (L_regs_d1_2): Likewise.
2297 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
2299 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2301 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
2302 to the pre-processor when -fshort-double is specified.
2303 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
2305 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2307 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
2308 (__mulsi3): Rewrite for 68HC12.
2309 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
2310 Mark 'x' constraint with earlyclobber to prevent a
2311 RELOAD_FOR_OTHER_ADDRESS to go in it.
2312 (mulhi3_m68hc12): New pattern.
2313 (mulhi3_m68hc11): Rename of mulhi3.
2314 (mulhi3): New expand for 68HC12 optimisation.
2315 (umulhisi3, mulhisi3): New patterns for 68HC12.
2317 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2319 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
2320 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
2321 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
2323 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2325 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
2326 constants cheap after reload.
2327 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
2329 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
2330 so that gcc prefers a shift by 16.
2331 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
2333 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
2335 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
2337 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2339 * alpha.h: NULL_PTR -> NULL.
2346 * i386.md: Likewise.
2349 * m68hc11.h: Likewise.
2350 * rs6000.h: Likewise.
2353 * sparc.h: Likewise.
2357 * final.c: Likewise.
2359 * recog.c: Likewise.
2361 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2363 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
2364 `bool' parameter to `int'.
2366 * hash.c (hash_lookup): Likewise.
2368 * hash.h (hash_lookup): Likewise.
2370 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
2372 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2374 * i386.c (x86_initialize_trampoline): Fix mode of constant.
2376 2001-05-03 Geoff Keating <geoffk@redhat.com>
2378 * invoke.texi (i386 Options): Delete references to -malign-jumps,
2379 -malign-loops, -malign-functions.
2380 * i386.c (ix86_align_funcs): Delete.
2381 (ix86_align_loops): Delete.
2382 (ix86_align_jumps): Delete.
2383 (override_options): Mark -malign-* as obsolete. Emulate their
2384 behaviour with the -falign-* options. Default -falign-* from
2385 the processor table.
2386 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
2387 patch of Wed May 2 13:09:36 2001.
2388 (LOOP_ALIGN): Delete.
2389 (LOOP_ALIGN_MAX_SKIP): Delete.
2390 (LABEL_ALIGN_AFTER_BARRIER): Delete.
2391 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
2393 2001-05-04 Andreas Jaeger <aj@suse.de>
2395 * except.h: Add prototype declaration for
2396 expand_builtin_init_dwarf_reg_sizes.
2398 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
2400 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
2402 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2404 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
2406 ("bitcmpqi2"): New pattern for bit-extract and test.
2407 ("bitcmphi"): New pattern for bitb/bita instructions.
2409 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
2411 * gccbug.in: Use a temporary directory when the mktemp command is
2414 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2416 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
2418 (INITIALIZE_TRAMPOLINE): Call it.
2419 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
2420 (TRAMPOLINE_TEMPLATE): Remove.
2421 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
2422 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
2425 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2427 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
2428 and crtendS.o with PIC.
2430 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2432 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2434 (___subdi3, ___adddi3): Use x instead of y as index register.
2435 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2436 (__memset, __memcpy): Likewise.
2437 (regs): Put the soft registers in bss for 68HC12.
2438 (abort): Use trap to abort for 68hc12.
2439 (__mulhi3, __mulhi32): Use emul for 68hc12.
2440 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2442 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2444 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2445 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2446 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2447 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2448 Set 68HC12 min offset to -65536.
2449 (print_operand): Put parenthesis arround the operand if it refers
2450 to a symbol having the same name as a register.
2451 (m68hc11_z_replacement): When z register is replaced by its
2452 equivalent soft register, force the insn to be re-recognized.
2453 (m68hc11_check_z_replacement): Fix the test when destination is
2454 the index register and z dies in the insn.
2455 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2457 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2459 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2460 costs according to processor variant.
2461 (m68hc11_shift_cost): New function to compute shift costs.
2462 (m68hc11_rtx_costs): Define costs according to processor variant.
2463 (m6811_cost): Costs for 68HC11.
2464 (m6812_cost): Costs for 68HC12.
2465 (COSTS_N_INSNS): Remove.
2467 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2468 (DEFAULT_RTX_COSTS): Remove.
2469 (CONST_COSTS): Define costs according to OUTER_CODE.
2470 (processor_costs): New struct to define costs.
2471 (m68hc11_cost): Pointer to current costs.
2473 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2475 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2476 and use m68hc11_notice_keep_cc when using leax/leay.
2477 (addhi3 split): Reject split if the insn is handled by
2479 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2480 push must be handled in a special way if the source operand uses
2481 sp as index register.
2482 (m68hc11_notice_keep_cc): New function.
2483 (m68hc11_gen_movhi): Use it when an insn changes a register but
2485 (m68hc11_gen_movqi): Fix move for 68HC12.
2486 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2488 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2490 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2491 and don't pass operands[0] to emit_library_call_value.
2493 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2495 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2496 (zero_extendsi split): Simplify and use (zero_extendhi).
2497 (*addhi3): Remove 'w' constraint since stack pointer is handled
2499 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2500 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2501 (*ashrhi3_const): Fix shift by 7.
2502 (*lshrsi3_const16): Fix template.
2503 (call, call_value): Fix constraint and predicate.
2505 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2507 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2508 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2509 (CC_REGNUM): Likewise.
2510 (*unnamed splits): Use above constants instead of hard coded numbers.
2511 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2512 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2513 (*return_16bit, *unnamed peepholes): Likewise.
2515 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2517 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
2518 rs6000/rs6000.h twice.
2520 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
2522 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
2523 (CPP_SPEC): Conditionally define MSDOS and GO32.
2524 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
2525 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
2527 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
2529 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2531 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
2533 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2535 * integrate.h (struct inline_remap): Add leaf_reg_map table.
2536 * integrate.c (expand_inline_function): Use xcalloc to allocate
2538 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
2541 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2543 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
2546 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2548 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
2549 linker if -mrelax is given.
2550 (TARGET_SWITCHES): Document -mrelax.
2552 Re-installed 2001-01-09's patch:
2553 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2554 if it's wider than long and the target's long is wider than the
2557 2001-05-02 David O'Brien <obrien@FreeBSD.org>
2559 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
2560 directly include rs6000/rs6000.h. Instead do it in tm.h.
2562 2001-05-02 Stan Shebs <shebs@apple.com>
2564 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
2565 NSConstantString for NeXT-style runtimes.
2566 (STRING_OBJECT_GLOBAL_NAME): New macro.
2567 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
2568 OCTI_STRING_CLASS_DECL.
2569 (constant_string_global_id): New macro.
2570 (string_class_decl): Ditto.
2571 (setup_string_decl): New function.
2572 (build_objc_string_object): Use it to build a NeXT runtime
2573 compatible string initializer.
2575 2001-05-02 Jakub Jelinek <jakub@redhat.com>
2577 * tradcpp.c (do_define): Make sure we don't walk past limit.
2579 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2581 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
2582 offsets if not REG_OK_STRICT.
2584 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
2585 (INT_REG_OK_FOR_INDEX_P): Likewise.
2586 (INT_REG_OK_FOR_BASE_P): Likewise.
2587 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
2588 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
2589 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
2590 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
2591 REG_OK_FOR_BASE_P. Take an additional parameter.
2592 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
2593 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
2594 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
2595 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
2596 rs6000_legitimate_address() and use it.
2597 * config/rs6000/rs6000.c: Update all callers.
2598 (rs6000_legitimate_address): New function.
2600 2001-05-02 David Edelsohn <edelsohn@gnu.org>
2602 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
2603 special_constant conditional blocks together.
2605 2001-05-02 Dale Johannesen <dalej@apple.com>
2607 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2609 (STRICT_ARGUMENT_NAMING): Define.
2610 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2611 function_arg_partial_nregs, setup_incoming_varargs): Remove
2612 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2615 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2617 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
2619 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2622 * expr.c (store_field): Do nothing except elaborate side-effects if
2625 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2627 * c-lex.c: NULL_PTR -> NULL.
2629 * emit-rtl.c: Likewise.
2631 * genpeep.c: Likewise.
2633 * mips-tdump.c: Likewise.
2634 * reload1.c: Likewise.
2635 * rtlanal.c: Likewise.
2637 * stor-layout.c: Likewise.
2638 * toplev.c: Likewise.
2640 2001-05-01 Per Bothner <per@bothner.com>
2642 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2643 call do_pending_stack_adjust before emiting label.
2645 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2647 * extend.texi: Fix typo.
2649 2001-05-01 Stan Shebs <shebs@apple.com>
2651 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2652 of UOBJC_MODULES_decl.
2653 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2654 (generate_descriptor_table): Ditto.
2655 (generate_protocols): Ditto.
2656 (generate_protocol_list): Ditto.
2657 (generate_classref_translation_entry): Ditto.
2659 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2661 * invoke.texi (Optimize Options): Add documentation for `--param
2662 max-delay-slot-insn-search' and `--param
2663 max-delay-slot-live-search' and reorder --param section.
2664 * params.def: Modify initial comment.
2665 * params.h (param_info): Add `help' member.
2666 * toplev.c (lang_independent_params): Include `help' description.
2667 (display_help): Print --param parameters.
2669 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2671 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
2672 Remove references to deleted files.
2673 (*-*-openbsd): No need to override xmake_file.
2674 (*-*-sysv4): Treat like *-*-sysv.
2676 * configure.in: Probe for ldopen in various places, and set up
2677 collect2 to be linked with them if found.
2678 Don't dink with Windows registry stuff unless $host_os is a
2679 Win32 os name. Check to see if we need -ladvapi32.
2680 * configure: Regenerate.
2682 * Makefile: Get rid of CLIB and HOST_CLIB.
2683 Substitute in COLLECT2_LIBS and link collect2 against its contents.
2684 * build-make: Get rid of HOST_CLIB.
2686 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2687 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2688 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2689 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
2690 config/rs6000/x-rs6000: Delete.
2692 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
2695 24 x-host fragments remain, 0 x-cpu, 3 top level.
2697 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2699 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
2700 * configure: Regenerate.
2702 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
2704 * Makefile.in (install-headers): Remove redundant dependency.
2706 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2708 * c-tree.texi (USING_STMT): Document.
2710 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2712 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
2713 * c-common.c: Likewise.
2714 * c-decl.c: Likewise.
2715 * combine.c: Likewise.
2716 * rs6000.c: Likewise.
2717 * except.c: Likewise.
2718 * explow.c: Likewise.
2720 * fold-const.c: Likewise.
2721 * function.c: Likewise.
2724 * integrate.c: Likewise.
2726 * objc/objc-act.c: Likewise.
2727 * recog.c: Likewise.
2728 * reg-stack.c: Likewise.
2729 * reload.c: Likewise.
2730 * reload1.c: Likewise.
2731 * simplify-rtx.c: Likewise.
2733 * varasm.c: Likewise.
2735 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
2737 * diagnostic.def: New file.
2738 * diagnostic.h (diagnostic_t): New enum.
2739 * Makefile.in (diagnostic.o): Depend on diagnostic.def
2741 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2743 * tsystem.h: Test only POSIX for availability of string.h
2745 * config.gcc (all systems): If USG appeared in xm_defines,
2746 change it to POSIX. If both USG and POSIX appeared, just
2747 delete USG. Remove unnecessary quotes around xm_defines
2749 (m68k-crds-unos*): Don't #define unos - tested nowhere.
2750 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
2751 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
2752 powerpc-*-linux*): No need to set xm_defines - handled by
2753 global settings for *-*-linux*.
2755 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2757 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
2758 Always include gstab.h, not system stab.h. Don't provide
2759 default definitions of N_CATCH or N_OPT. Always use the
2760 gstab.h variant of STAB_CODE_TYPE.
2761 * final.c: Don't include stab.h/gstab.h at all, or provide
2762 defaults for N_SLINE and N_SOL.
2764 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
2765 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
2767 * sdbout.c: Always include gsyms.h instead of system syms.h.
2769 * configure.in: No need to check for stab.h.
2770 * configure, config.in: Regenerate.
2771 * Makefile.in (final.o): Don't depend on gstab.h.
2773 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2774 Richard Henderson <rth@redhat.com>
2776 * extend.texi: Improve documentation of volatile asms.
2778 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2780 * c-tree.texi: Fix thinko.
2781 * gcc.texi: Likewise.
2783 2001-04-30 Richard Henderson <rth@redhat.com>
2785 * c-common.c (c_promoting_integer_type_p): New function, from the
2786 corpse of old macro. Properly promote too-small enumerations and
2787 booleans. Adjust all callers.
2788 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2789 (c_promoting_integer_type_p): Declare.
2790 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2791 * c-typeck.c: Likewise.
2792 (default_conversion): Remove now redundant boolean check.
2794 2001-04-30 Jan Hubicka <jh@suse.cz>
2795 Richard Henderson <rth@redhat.com>
2797 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2799 (combine_stack_adjustments_for_block): Don't combine stack
2800 allocation followed by deallocations. Handle grow-up stacks.
2802 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2804 * fdl.texi: New file.
2805 * c-tree.texi: Use the GFDL.
2806 * gcc.texi: Likewise.
2808 2001-04-30 Stan Shebs <shebs@apple.com>
2810 * invoke.texi: Add a section documenting Objective-C options.
2812 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
2814 * emit-rtl.c (try_split): Copy EH notes to sequence.
2816 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2818 * regmove.c (record_stack_memrefs): Catch all references to the
2821 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
2823 * Makefile.in (stmp-fixinc): quote shell assignment values
2825 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2827 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
2831 * prefix.c: Likewise.
2833 2001-04-28 Stan Shebs <shebs@apple.com>
2835 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
2836 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
2837 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
2838 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
2840 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
2841 (NEXT_OBJC_RUNTIME): Define.
2843 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2845 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
2846 * simplify-rtx.c (simplify_gen_relational): Likewise.
2848 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
2850 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
2851 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
2853 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
2854 registers in SSE case; fix handling of the immediates.
2855 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
2856 operands to be in regsiters before reload.
2857 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
2858 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
2859 (abstf,absxf,negtf,negxf splitters): Compute
2860 properly the regnum for x86_64.
2861 (avsdf2_if_rex64): New.
2863 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
2865 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
2866 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
2867 into the constant pool.
2868 * jump.c (jump_optimize_1): Remove barrier successors after all
2869 the LABEL_NUSES counds have been computed.
2870 (delete_barrier_successors): When deleting a tablejump insn, also
2871 delete the jump table it uses.
2872 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
2875 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
2877 * pa.c (FRP): Remove erroneous white space in macro definition.
2879 2001-04-28 Andreas Jaeger <aj@suse.de>
2881 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
2883 * extend.texi: Likewise.
2884 * tm.texi: Likewise.
2886 2001-04-28 Andreas Jaeger <aj@suse.de>
2888 * md.texi: Use XX-bit instead of XXbit or XX bit where
2891 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
2893 * gcc.c (process_command): Allow -l lib in addition to -llib
2894 for POSIX compliance. This fixes PR c/2347.
2896 * invoke.texi: Update section on Link Options accordingly.
2898 2001-04-27 Zack Weinberg <zackw@stanford.edu>
2900 * function.c (purge_addressof_1): Remove the duplicate
2901 if (code == SET) block. Fold the two if (code == ADDRESSOF)
2904 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
2906 * except.c (expand_eh_region_start): Don't start a new block.
2907 (expand_eh_region_end): Don't end a block.
2908 * stmt.c (expand_end_bindings): Don't end EH blocks.
2909 (expand_decl_cleanup): Starting an EH region won't change the block.
2910 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
2911 (is_eh_region): Lose.
2914 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
2916 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
2918 * collect2.c (main): Add `-L' case to remove duplicate entries.
2919 (is_in_args): New function to check for a duplicate argument.
2920 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
2921 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
2922 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2923 Define to be nonzero.
2925 2001-04-27 Andreas Jaeger <aj@suse.de>
2926 Richard Henderson <rth@redhat.com>
2928 * md.texi (Machine Constraints): Document additional i386
2929 constraints and fix description of "A".
2931 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
2933 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
2935 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
2937 * except.c (get_exception_filter): word_mode, not Pmode.
2939 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
2941 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
2942 common to other movsf patterns. Move up so that in future
2943 people who change the other patterns will change it too.
2944 (movsf_lo_sum): Allow even for soft-float; add appropriate
2946 (movsf_high): Likewise.
2947 (movsf_high+1): Allow even for soft-float.
2949 * function.c (expand_function_end): Always clobber the
2950 return registers, even if there is no return label.
2952 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2954 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
2956 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
2958 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
2959 (pushqi2_rex64, pushhi2_rex64): Add.
2961 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
2963 * except.c (expand_eh_region_end_cleanup): Force pending stack
2964 adjust before emitting label that branches around cleanup code.
2966 2001-04-26 H.J. Lu (hjl@gnu.org)
2968 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
2970 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
2972 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
2973 (ASM_OUTPUT_SECTION_NAME): Likewise.
2974 (ASM_WEAKEN_LABEL): Likewise.
2975 (UNIQUE_SECTION): Likewise.
2976 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2977 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2978 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
2979 (ASM_OUTPUT_SECTION_NAME): Likewise.
2980 (ASM_WEAKEN_LABEL): Likewise.
2981 (UNIQUE_SECTION): Likewise.
2982 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2983 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2984 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
2985 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
2986 (ASM_FILE_START): Likewise.
2987 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2988 (ASM_DECLARE_OBJECT_NAME): Likewise.
2989 (ASM_FILE_END): Likewise.
2990 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2991 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
2992 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2993 (ASM_OUTPUT_CASE_LABEL): Likewise.
2994 (ASM_OUTPUT_SKIP): Likewise.
2995 (ASM_OUTPUT_ASCII): Likewise.
2996 (ASM_OUTPUT_IDENT): Likewise.
2997 (READONLY_DATA_SECTION): Likewise.
2998 (EXTRA_SECTIONS): Likewise.
2999 (EXTRA_SECTION_FUNCTIONS): Likewise.
3000 (SELECT_RTX_SECTION): Likewise.
3001 (SELECT_SECTION): Likewise.
3003 * config/mips/linux.h (INVOKE__main): Undefine.
3004 (CTOR_LIST_BEGIN): Likewise.
3005 (CTOR_LIST_END): Likewise.
3006 (DTOR_LIST_BEGIN): Likewise.
3007 (DTOR_LIST_END): Likewise.
3008 (SET_ASM_OP): Defined it to ".dummy".
3009 (ASM_OUTPUT_DEF): Defined.
3010 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
3012 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
3014 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
3015 assembler supports .p2align.
3017 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
3019 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
3021 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3023 * integrate.c (expand_inline_function): Check for error_mark_node
3026 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3028 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
3031 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
3033 * configure.in (configargs.h): Define thread_model.
3034 * configure: Rebuilt.
3035 * gcc.c (main): Print it with -v.
3037 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
3039 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
3040 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
3041 * gcc.1: Regenerate.
3043 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3045 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
3046 is_redundant_typedef): Use static inline instead of inline static.
3048 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
3050 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
3051 this directory is always searched.
3053 2001-04-25 Richard Henderson <rth@redhat.com>
3055 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
3056 of registers to restore along non eh_return path.
3058 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3060 * c-format.c (check_format_info_recurse): Handle
3061 PLUS_EXPR for format string.
3063 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3065 * config/ia64/ia64.h (CC1_SPEC): Define.
3066 * config/ia64/linux.h (CC1_SPEC): Define.
3068 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
3070 * emit-rtl.c (constant_subword): Also do sign extension in
3071 BITS_PER_WORD == 16 case.
3073 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
3075 * loop.c (try_swap_copy_prop): Go back to checking insn.
3077 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3079 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
3080 if check_mode is non-zero.
3082 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3084 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
3085 out and comparison sequence has been detected, put result into
3086 proper temporary pseudo.
3088 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3090 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
3091 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
3092 * libgcc2.c: Remove __dummy and __builtin_saveregs.
3093 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
3094 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
3095 for future reference.
3097 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
3099 * except.c (reachable_handlers): Step out one level from a RESX.
3101 * except.c (struct eh_region): Rename 'last' to 'resume'.
3102 (mark_eh_region, duplicate_eh_region_1): Adjust.
3103 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
3104 (build_post_landing_pads): Likewise.
3105 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
3106 (expand_eh_region_end_must_not_throw): Likewise.
3107 (connect_post_landing_pads): Thread (only) regions with non-deleted
3110 * except.c (expand_eh_region_end_cleanup): Save the EH return data
3111 registers around the cleanup.
3112 (get_exception_filter): New fn.
3113 (finish_eh_generation): Use it.
3115 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
3117 * c-semantics.c (add_scope_stmt): Don't call
3118 current_scope_stmt_stack multiple times.
3120 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3121 Nathan Sidwell <nathan@codesourcery.com>
3123 Lazy __FUNCTION__ generation.
3124 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
3125 RID_C99_FUNCTION_NAME): New _RIDs.
3126 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
3127 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
3128 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
3130 (function_id_node, pretty_function_id_node, func_id_node): Remove.
3131 (c99_function_name_decl_node, function_name_decl_node,
3132 pretty_function_name_decl_node, saved_function_name_decls):
3134 (struct language_function): Remove x_function_name_declared_p.
3135 (make_fname_decl): Remove a parameter.
3136 (declare_function_names): Remove prototype.
3137 (start_fname_decls, finish_fname_decls): Prototype.
3138 (fname_as_string): Likewise.
3139 (fname_string, fname_decl): Likewise.
3140 * c-common.c (make_fname_decl): Adjust.
3141 (struct fname_var_t): New struct.
3142 (fname_vars): New static array.
3143 (declare_function_name): Remove.
3144 (start_fname_decls, finish_fname_decls): New functions.
3145 (fname_as_string): New function from remnants of
3146 declare_function_name.
3147 (fname_string, fname_decl): New functions.
3149 * c-decl.c (c_function_name_declared_p): Remove.
3150 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
3151 don't call declare_function_name. Call start_fname_decls.
3152 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
3153 clobber the line number. Call finish_decl.
3154 (start_function): Call start_fname_decls.
3155 (finish_function): Call finish_fname_decls.
3156 Remove c_function_name_declared_p.
3157 (push_c_function_context): Don't push c_function_name_declared_p.
3158 (pop_c_function_context): Don't pop c_function_name_declared_p.
3159 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
3160 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
3161 (program): Call finish_fname_decls for C.
3162 (primary): Add VAR_FUNC_NAME.
3163 (reswords): Add slots for __FUNCTION__ et al.
3164 (rid_to_yy): Add mappings for __FUNCTION__ et al.
3165 (yylexname): If it's a STRING_FUNC_NAME generate the function name
3166 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
3167 * c-semantics.c (prune_unused_decls): Remove.
3168 (finish_stmt_tree): Don't call prune_unused_decls.
3169 (genrtl_decl_stmt): Don't prune unused decls here.
3171 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
3173 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
3174 constant pool, use the pool's SYMBOL_REF instead.
3176 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
3179 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
3181 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
3182 passing nested NOP_EXPRs to fold.
3184 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
3186 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
3188 2001-04-22 Mark Mitchell <mark@codesourcery.com>
3190 * loop.c (loop_delete_insns): Add prototype.
3192 2001-04-23 Phil Edwards <pme@sources.redhat.com>
3194 * configure.in: Remove ENABLE_STD_NAMESPACE.
3195 * config.in: Regenerated.
3196 * configure: Regenerated.
3198 2001-04-22 Stan Shebs <shebs@apple.com>
3200 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
3202 * config/rs6000/xm-darwin.h: Remove file.
3204 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3206 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
3207 (write_c_file_stat): Likewise.
3209 * dbxout.c (dbxout_init): Likewise.
3211 * profile.c (output_func_start_profiler): Likewise.
3213 2001-04-22 Philipp Thomas <pthomas@suse.de>
3215 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
3216 require it instead of the CVS version.
3217 * cpperror.c (v_message): Put a blank before the macro
3218 body to not confuse exgettext.
3220 2001-04-21 Mark Mitchell <mark@codesourcery.com>
3222 * flow.c (proagate_one_insn): Remove useless assignment.
3223 * jump.c (delete_insn): Tidy.
3224 * loop.c (try_copy_prop): When deleting an instruction with a
3225 REG_RETVAL note, delete the entire libcall sequence.
3226 (loop_delete_insns): New function.
3227 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
3228 we're not substituting into them yet.
3230 2001-04-21 Kazu Hirata <kazu@hxi.com>
3232 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
3234 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
3236 * config/i960/i960.c (signed_arith_operand): Likewise.
3238 * calls.c (expand_call): Fix a comment typo.
3240 2001-04-20 Zack Weinberg <zackw@stanford.edu>
3242 * configure.in: Probe for times, clock, struct tms, and clock_t.
3243 * configure, config.in: Regenerate.
3244 * timevar.c: Replace ifdef forest in get_time with (relatively)
3245 straightforward series of checks based on autoconf's probes.
3247 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
3249 * config/pa/som.h (NM_FLAGS): Define.
3251 2001-04-20 Bernd Schmidt <bernds@redhat.com>
3253 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
3255 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
3256 * ia64.c (nop_cycles_until): New function.
3257 (prev_cycle, prev_first, last_issued): New static variables.
3258 (ia64_sched_reorder): Additional arg for clock.
3259 On final scheduling pass, emit extra NOPs as needed.
3260 Set prev_first and prev_cycle.
3261 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
3262 (ia64_variable_issue): Set last_issued.
3264 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
3266 * config/i386/i386.c (ix86_expand_int_movcc,
3267 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
3269 2001-04-20 Geoff Keating <geoffk@redhat.com>
3271 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
3272 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
3273 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
3274 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
3275 ctrdi_internal6): In the short-branch case, this insn is only 4
3276 bytes long. Reported by Reza Yazdani <reza@apple.com>.
3278 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3280 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
3281 "=u" is used together with "st" resp. "st(1)" clobber.
3283 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3285 * gcse.c (gcse_main): Fix comment typo.
3286 (delete_null_pointer_check): Likewise.
3287 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
3288 * cse.c (cse_insn): Likewise.
3289 * function.c (fixup_var_refs_insns_with_hash): The sequence is
3292 2001-04-19 Zack Weinberg <zackw@stanford.edu>
3294 * toplev.c: Excise all code for the undocumented -dm option.
3295 (float_signal): Call signal just once, unconditionally.
3297 2001-04-19 Geoff Keating <geoffk@redhat.com>
3299 * fold-const.c (fold): Use first_rtl_op rather than
3300 TREE_CODE_LENGTH when looping over parameters of a tree.
3301 Correct strange grouping in test for evaluated SAVE_EXPR.
3303 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
3305 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
3306 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
3308 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
3309 name at 32 total characters.
3310 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
3311 functions in named sections -- data items can still go into unique
3312 sections, but they have normal names (ie $LIT$ and $DATA$).
3314 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
3317 2001-04-19 DJ Delorie <dj@redhat.com>
3319 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3320 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
3321 * config/i386/cygwin.h: Likewise.
3322 * config/i386/mingw32.h: Likewise.
3323 * config/vax/vms.h: Likewise.
3324 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
3326 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3327 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
3328 * config/i386/xm-cygwin.h: Likewise.
3329 * config/i386/xm-djgpp.h: Likewise.
3330 * config/i386/xm-mingw32.h: Likewise.
3331 * config/vax/xm-vms.h: Likewise.
3333 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
3334 instead of OBJECT_SUFFIX.
3335 * collect2.c (find_a_file): Look for files matching the extension
3336 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
3337 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
3338 TARGET_EXECUTABLE_SUFFIX.
3339 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
3340 (make_relative_prefix): Likewise.
3341 (convert_filename): Use TARGET_ suffixes throughout. Remove
3343 (process_command): Likewise.
3344 (do_spec_1): Likewise.
3345 * java/lang.c (init_parse): Likewise.
3347 * gcc.texi : Document four new options matching the pattern
3348 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
3349 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
3350 documentation for NO_AUTO_EXE_SUFFIX.
3352 2001-04-19 Mark Mitchell <mark@codesourcery.com>
3354 * toplev.h (struct lang_hooks): Allow decode_option to indicate
3355 that language-independent processing should not be done.
3356 * toplev.c (main): Adjust accordingly.
3358 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
3359 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
3361 * mips.md (reload_outputdi): Require that operand0 be a
3364 2001-04-19 Jakub Jelinek <jakub@redhat.com>
3366 * invoke.texi (-Wshadow): Clarify.
3368 2001-04-18 Mark Mitchell <mark@codesourcery.com>
3370 * loop.c (load_mems): Examine all the instructions in the loop
3371 before concluding that all jumps branch to the first instruction
3374 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
3376 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
3378 2001-04-18 Jakub Jelinek <jakub@redhat.com>
3380 * cpp.texi (-Wwhite-space): Remove.
3381 (-Wall): -Wall does not imply -Wwhite-space.
3383 2001-04-17 Zack Weinberg <zackw@stanford.edu>
3385 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
3386 use it instead of blindly generating a .stabs.
3387 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
3389 * xcoffout.c: Don't bother defining default for N_CATCH.
3390 (UNKNOWN_STAB): Use internal_error.
3391 (stab_to_sclass): Remove now-unnecessary aborts.
3392 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
3394 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
3396 * jump.c (mark_all_labels): Canonicalize the tail recursion
3397 label attached to CALL_PLACEHOLDER insns.
3399 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3401 * output.h (dump_flow_info, free_basic_block_vars,
3402 which_alternative): Delete redundant prototypes.
3404 * rtl.h (bss_section): Likewise.
3406 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
3408 * dbxout.c (N_OPT): Define if not available from <stab.h>
3410 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3412 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
3413 libraries and native K&R compilers.
3415 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3417 * c-typeck.c (convert_arguments): Don't check for width changes
3420 * invoke.texi (-Wtraditional): Update documentation.
3422 2001-04-16 Zack Weinberg <zackw@stanford.edu>
3424 * toplev.c (output_lang_identify): Delete.
3425 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
3426 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
3427 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
3428 after calling ASM_FILE_END.
3430 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
3431 Instead, unconditionally emit an N_OPT stab with string equal
3432 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
3434 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
3436 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
3437 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
3438 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
3439 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
3440 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
3441 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
3442 config/i370/i370.h, config/i386/beos-elf.h,
3443 config/i386/osf1elf.h, config/i386/osfrose.h,
3444 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
3445 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
3446 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
3447 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
3448 config/mips/iris6.h, config/mips/osfrose.h,
3449 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
3450 config/sparc/sp64-elf.h:
3451 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
3452 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
3454 * config/elfos.h, config/freebsd.h, config/linux.h,
3455 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
3456 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
3457 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
3458 of ASM_FILE_START which merely emit a .version directive. Delete
3459 definitions of ASM_FILE_END which merely emit an .ident directive.
3461 * config/avr/avr.h, config/vax/vax.h: Delete definition of
3462 ASM_IDENTIFY_GCC and move part of its logic into
3465 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
3466 config/sparc/linux-aout.h: Don't emit .version directive in
3469 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
3470 (output_file_start): Correct comment.
3472 * config/i386/osfrose.h: Don't emit trailing .ident directive.
3473 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
3475 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
3476 * config/rs6000/aix.h: Correct comment.
3478 * config/i386/i386afe.h: Delete.
3479 * config.gcc: Remove references to i386afe.h.
3481 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
3482 other macros deleted by this patch were undocumented.
3484 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
3486 * pa.md (reload_outdi): Operand 0 must be a non hard register.
3488 * pa.c (secondary_reload_class): SAR<->FP copies require a
3491 * install.texi (mips-mips-bsd): Update list of functions
3492 required to include memmove.
3493 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
3494 used functions to include memmove.
3496 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
3498 * i386.md (sqrtdf2): SFmode should be DFmode.
3500 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
3502 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
3503 (find_moveable_store): Likewise.
3505 2001-04-15 Jim Wilson <wilson@redhat.com>
3507 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
3509 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
3511 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
3512 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
3514 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
3516 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
3519 2001-04-14 Alan Modra <amodra@one.net.au>
3521 * pa.c (force_mode): New function.
3522 (emit_move_sequence): Use it instead of generating new rtx_REGs.
3524 2001-04-13 Jim Wilson <wilson@redhat.com>
3526 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
3527 (first_instruction): New static variable.
3528 (rtx_needs_barrier): Return 1 for alloc.
3529 (init_insn_group_barriers): Set first_instruction.
3530 (rws_sum): Delete duplicate definition.
3531 (group_barrier_needed_p): Return 0 when first_instruction true.
3532 (safe_group_barrier_needed_p): Save and restore first_instruction
3533 around group_barrier_needed_p call.
3535 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
3537 * expr.h (enum libfunc_index): Add LTI_memmove.
3538 (memmove_libfunc): Define macro.
3539 * optabs.c (init_optabs): Initialize memmove_libfunc.
3540 * expr.c (expand_assignment): Use memmove_libfunc instead of
3543 2001-04-13 Alan Modra <alan@linuxcare.com.au>
3545 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
3548 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3550 * Makefile.in (reg-stack.o): Depend on reload.h.
3551 (insn-attrtab.o): Depend on flags.h.
3553 * genattrtab (main): Include flags.h in insn-attrtab.c.
3555 * reg-stack.c: Include reload.h.
3557 * sparc.h (flag_pic): Delete redundant declaration.
3559 * output.h (flag_pic): Likewise.
3561 * tree.h (pedantic): Likewise.
3563 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3565 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
3567 * jump.c, regmove.c, toplev.c: Include reload.h.
3569 * reload.h (reload_cse_regs): Declare.
3571 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
3572 reload_cse_regs, init_reload, mark_home_live, reload,
3573 init_caller_save): Delete redundant prototypes.
3575 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3577 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
3579 * regclass.c, ssa.c: Include expr.h.
3581 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
3582 gen_move_insn): Delete redundant declarations.
3584 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3586 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
3587 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
3588 MAKEINFO and MAKEINFOFLAGS too.
3589 (stage4_build): Correctly order -B flags.
3591 2001-04-13 Alan Modra <amodra@one.net.au>
3593 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
3594 PIC_OFFSET_TABLE_SAVE_RTX.
3595 (zdepi_cint_p): Describe zdepi insn.
3596 Formatting and white space fixes throughout file.
3598 * pa.c (uint32_operand): Don't use long constant >= 2^32.
3599 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
3600 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
3601 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
3602 (output_64bit_and): Use plain `int's for shift counts.
3603 (output_64bit_ior): Likewise.
3604 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
3605 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
3608 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
3609 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
3610 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
3611 NEW_HP_ASSEMBLER into one. Kill warnings.
3613 * pa-gas.h: Delete file.
3614 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
3615 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
3616 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
3617 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
3619 * config/pa/mill32.S: New file.
3620 * config/pa/mill64.S: New file.
3621 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
3622 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
3623 * config/pa/t-linux64: New file.
3624 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
3625 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
3626 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
3628 * elfos.h (SELECT_SECTION): Undef before defining.
3629 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
3630 (LIB_SPEC): Remove -lmilli.
3631 (DBX_REGISTER_NUMBER): Remove.
3632 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
3633 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
3634 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
3635 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
3636 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
3637 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
3638 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
3639 TARGET_GAS): Define.
3640 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
3641 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
3642 regs if we don't have a prototype.
3643 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
3644 * pa.h (TARGET_ELF32): Default to 0 if undefined.
3645 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
3646 EH_RETURN_HANDLER_RTX): Define.
3647 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
3648 (DWARF_FRAME_REGNUM): Define.
3649 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
3650 * pa32-linux.h: New file.
3651 * pa64-linux.h: New file.
3653 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3654 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
3655 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
3656 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
3657 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
3658 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
3659 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3660 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3661 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
3662 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
3663 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3664 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
3665 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
3666 * pa64-hpux.h: New file.
3667 (ASM_FILE_START): Correct typo.
3668 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
3669 * config.gcc: Modify for above.
3671 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3673 * jump.c (jump_optimize_1): Don't delete dead stores here.
3674 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
3675 prior to running jump optimize before cse2.
3677 2001-04-12 Richard Henderson <rth@redhat.com>
3679 * Makefile.in (regmove.o): Depend on except.h.
3680 * regmove.c: Include it.
3682 2001-04-12 Stan Shebs <shebs@apple.com>
3684 * objc/objc-act.c: Remove all code ifdefed with the never-used
3685 macro OBJC_INT_SELECTORS.
3686 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3687 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
3689 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3691 * config/pa/quadlib.c: Add prototypes.
3693 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3695 * bitmap.h (debug_bitmap): Delete redundant prototype.
3697 * rtl.h (get_frame_size): Likewise.
3699 2001-04-12 Jim Wilson <wilson@redhat.com>
3701 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
3702 to just emit an fnorm.
3704 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3706 * c-common.h (truthvalue_conversion, type_for_mode,
3707 type_for_size): Delete redundant declarations.
3709 * c-lex.h (is_class_name): Likewise.
3711 * c-tree.h (pedantic, convert, getdecls, gettags,
3712 global_bindings_p, init_decl_processing, insert_block,
3713 maybe_build_cleanup, poplevel, print_lang_decl,
3714 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
3715 set_block, incomplete_type_error, build_function_call,
3716 lvalue_or_else, mark_addressable): Likewise.
3718 * expr.h (expand_tree_builtin): Likewise.
3720 2001-04-12 Mark Mitchell <mark@codesourcery.com>
3722 * invoke.texi: Document --param max-gcse-memory.
3724 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3726 * configure.in (errno): Check for declaration.
3727 * configure, config.in: Regenerated.
3729 * system.h (errno): Only declare if not already done.
3731 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3733 * recog.c (general_operand, immediate_operand,
3734 nonmemory_operand): Require CONST_INTs to be sign-extended
3735 values for their modes.
3737 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3739 * expmed.c (store_bit_field): Truncate CONST_INTs.
3740 (expand_mult_highpart, expand_divmod): Likewise.
3741 * expr.c (convert_modes, store_field): Likewise.
3742 * integrate.c (expand_inline_function): Use promote_mode() to
3743 determine whether to convert_modes() an argument as signed
3745 * optabs.c (expand_binop): Get CONST_INT operands
3746 sign-extended for their appropriate modes.
3747 * stmt.c (emit_case_nodes): Convert node values to the
3749 (expand_end_case): Convert minval and range to the appropriate
3751 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
3752 the iteration variable.
3753 * varasm.c (immed_double_const): Don't require words to be
3754 narrower than host wide ints to properly sign-extend
3757 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3759 * sh.md (builtin_setjmp_receiver): New expander.
3761 2001-04-12 David Edelsohn <dje@watson.ibm.com>
3763 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
3764 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
3765 for generating CONST_INT and CONST_DOUBLE.
3767 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3769 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3770 already sign-extended.
3771 (rs6000_emit_prologue): Make register iterator signed.
3772 (rs6000_emit_epilogue): Likewise.
3773 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
3775 (movsf split, movdf split): Sign-extend CONST_INTs.
3776 (movdi splits): Likewise.
3778 2001-04-12 Kelley Cook <kelley.cook@home.com>
3780 * config-lang.in (lang_dirs): Add in zlib.
3782 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
3784 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
3785 operands that make it to RTL.
3787 2001-04-11 Stan Shebs <shebs@apple.com>
3789 Add Darwin (Mac OS X kernel) native support.
3790 * config.gcc (powerpc-*-darwin*): Add native bits.
3791 * config/darwin.c: New file, generic Darwin support functions.
3792 * config/darwin.h: New file, generic Darwin definitions.
3793 * config/darwin-protos.h: New file, generic Darwin prototypes.
3794 * rs6000/darwin.h: New file, Darwin for PowerPC.
3795 * rs6000/t-darwin: New file, Darwin makefile fragment.
3796 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
3797 (TARGET_MACHO): Ditto.
3798 (rs6000_abi): Add ABI_DARWIN.
3799 (RS6000_REG_SAVE): Add ABI_DARWIN case.
3800 (RS6000_SAVE_AREA): Ditto.
3801 (FP_ARG_MAX_REG): Ditto.
3802 (RETURN_ADDRESS_OFFSET): Ditto.
3803 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
3805 (rs6000_emit_move): Add ABI_DARWIN cases.
3806 (print_operand): Ditto.
3807 (first_reg_to_save): Ditto.
3808 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
3809 (debug_stack_info): Ditto.
3810 (rs6000_emit_prologue): Ditto.
3811 (rs6000_emit_epilogue): Ditto.
3812 (output_profiler_hook): Ditto.
3813 (output_function_profiler): Ditto.
3814 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
3815 (output_mi_thunk): Add TARGET_MACHO case.
3816 (add_compiler_stub): Ditto.
3817 (output_compiler_stub): Ditto.
3818 (no_previous_def): Ditto.
3819 (output_call): Ditto.
3820 (machopic_output_stub): Ditto.
3821 (rs6000_machopic_legitimize_pic_address): Ditto.
3822 (toc_section): Ditto.
3823 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
3824 (macho_high): Ditto.
3827 (load_macho_picbase): Ditto.
3828 (call): Add TARGET_MACHO case to modify function.
3829 (call_value): Ditto.
3830 (call_nonlocal_sysv): Add ABI_DARWIN case.
3831 (call_value_nonlocal_sysv): Ditto.
3832 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
3834 (machopic_output_stub): Ditto.
3835 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
3837 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3839 * dwarf2out.c (modified_type_die): Don't create new types here.
3840 * tree.h (get_qualified_type): New function.
3841 (build_qualified_type): Adjust comment.
3842 * tree.c (get_qualified_type): New function.
3843 (build_qualified_type): Use it.
3845 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3847 * cpp.texi (-Wtraditional): Update description.
3849 * invoke.texi (-Wtraditional): Likewise.
3851 2001-04-11 Jim Wilson <wilson@redhat.com>
3853 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
3854 requires more than 64 bits of alignment.
3856 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
3858 * cpplib.c (do_line): Sanity check iff enable checking.
3860 2001-04-11 Richard Henderson <rth@redhat.com>
3862 * Makefile.in (insn-recog.o): Depend on toplev.h.
3863 (insn-emit.o, doloop.o): Likewise.
3864 * genrecog.c, genemit.c: Include toplev.h in generated file.
3865 * doloop.c: Include toplev.h.
3867 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3869 * Makefile.in (gcse.o): Depend on params.h.
3870 * gcse.c: Include params.h.
3871 (gcse_main): Don't do GCSE if doing so will take inordinate
3873 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
3874 * params.h (MAX_GCSE_MEMORY): New macro.
3876 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3878 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
3880 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
3882 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3884 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
3886 * real.h (ereal_atof, real_value_truncate, target_isnan,
3887 target_isinf, target_negative, assemble_real, debug_real): Delete
3888 redundant prototypes.
3890 * Makefile.in (ifcvt.o): Depend on toplev.h.
3892 * c-semantics.c: Include expr.h.
3894 * ifcvt.c: Include toplev.h.
3896 * expr.h (rtx_equal_p): Delete prototype.
3898 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
3899 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
3900 eliminate_constant_term, expand_complex_abs, find_single_use,
3901 make_tree, init_expr_once, init_optabs, supports_one_only):
3904 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
3905 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
3906 expand_assignment, store_expr, emit_line_note_after,
3907 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
3909 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
3911 * sparc-protos.h: Delete redundant prototypes.
3913 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
3915 * reload.c (push_reload): Add condition missed in SUBREG byte
3918 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3920 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
3922 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3924 * i386.md (floatsisf_sse): Fix output template
3925 * i386.c (ix86_expand_fp_movcc)
3927 * reg-stack.c (emit_pop_insn): Handle complex modes.
3928 (move_for_stack_reg): Emit proper move mode.
3929 (subst_stack_regs_pat): Handle complex modes.
3931 2001-04-11 Jakub Jelinek <jakub@redhat.com>
3933 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
3935 2001-04-10 Richard Henderson <rth@redhat.com>
3937 * libgcc2.h (__terminate_func_ptr): Remove typedef.
3938 (__pure_virtual, __terminate, __terminate_set_func,
3939 __default_terminate, __throw_type_match, __empty,
3940 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
3941 __eh_rtime_match, __unwinding_cleanup, __rethrow,
3942 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
3943 Remove prototypes of deleted functions.
3945 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3947 * c-typeck.c (convert_arguments): -Wtraditional now activates
3948 -Wconversion warnings, except for changes in signed-ness.
3949 Detect complex<->int & int<->complex conversions as well.
3951 * invoke.texi (-Wtraditional): Document it.
3953 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3955 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
3956 * flow.c (set_block_for_new_insns): Remove needless cast and
3957 properly check for unset block number.
3959 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
3961 * function.c (purge_single_hard_subreg_set): Only check REGNO if
3962 the subreg was a hard register. Pseudos are left as subregs.
3964 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3966 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
3967 (LIB2ADD_ST): New macro, pass it to mklibgcc.
3968 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
3969 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
3970 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
3972 2001-04-09 Bo Thorsen <bo@suse.co.uk>
3974 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
3976 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3978 * output.h (set_block_num): Missed it earlier, remove deprecated
3981 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3983 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
3984 (load_killed_in_block_p): Change bb parameter from int to basic_block.
3985 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
3986 (handle_rd_kill_set): Change bb parameter from int to basic_block.
3987 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
3988 (expr_killed_p): Change bb parameter from int to basic_block, pass
3989 basic_blocks instead of ints as parameters.
3990 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
3991 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
3992 from int to basic_block, pass basic_blocks instead of ints as parms.
3993 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
3994 parameter from int to basic_block, pass basic_blocks instead of ints.
3995 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
3996 (insert_insn_end_bb): Change bb parameter from int to basic_block,
3997 pass basic_blocks instead of ints.
3998 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
3999 basic_blocks instead of ints as parameters.
4000 (pre_delete): Pass basic_blocks instead of ints as parameters.
4001 (hoist_expr_reaches_here_p): Change bb parameter from int to
4002 basic_block, pass basic_blocks instead of ints.
4003 (hoist_code): Pass basic_blocks instead of ints as parameters.
4004 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
4005 Change bb parameter from int to basic_block.
4006 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
4007 (insert_insn_start_bb): Change bb parameter from int to basic_block,
4008 pass basic_blocks instead of ints.
4009 (insert_store): Pass basic_blocks instead of ints as parameters.
4010 (replace_store_insn, delete_store): Change bb parameter from int to
4011 basic_block, pass basic_blocks instead of ints.
4012 (store_motion): Pass basic_blocks instead of ints as parameters.
4014 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4016 * basic-block.h (set_new_block_for_insns): New Prototype.
4017 (set_block_num): Delete prototype.
4018 * flow.c (set_block_num): Remove obsolete function.
4019 (set_block_for_new_insns): Set BB for single or multiple insns.
4020 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
4021 (process_insn_end_bb): Use set_block_for_new_insns or
4022 set_block_for_insn instead of set_block_num.
4023 (pre_insert_copy_insn): Use set_block_for_new_insns.
4024 (update_ld_motion_stores): Use set_block_for_new_insns.
4025 (insert_insn_start_bb): Use set_block_for_new_insns.
4026 (replace_store_insn): Use set_block_for_new_insns.
4028 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4029 Jeff Law <law@redhat.com>
4031 * alias.c (get_addr): Externalize.
4032 (canon_true_dependence): New function. Behaves like true_dependance
4033 except it already assumes a MEM has been canonicalized.
4034 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
4035 * gcse.c (struct ls_expr): Add load/store expressions structure.
4036 (modify_mem_list, canon_modify_mem_list): New variable.
4037 (gcse_main): Initialize & finalize alias analysis. Use enhanced
4038 load motion and store motion if requested.
4039 (alloc_gcse_mem): Allocate space for modify_mem_list array.
4040 (free_gcse_mem): Free the modify_mem_list array.
4041 (oprs_unchanged_p): Use load_killed_in_block_p.
4042 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
4043 (mems_conflict_for_gcse_p): New function. Don't kill loads
4044 with stores to themselves if its in the load/store expression list.
4045 (load_killed_in_block_p): New function.
4046 (canon_list_insert): New Function.
4047 (record_last_mem_set_info): Keep a list of all instructions which
4048 can modify memory for each basic block.
4049 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
4050 (oprs_not_set_p): Use load_killed_in_block_p.
4051 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
4052 (expr_killed_p): Use load_killed_in_block_p.
4053 (compute_transp): Do not pessimize memory references.
4054 (pre_edge_insert): Update stores for a load motion expression.
4055 (one_pre_gcse_pass): Check loads/stores for extra load motion.
4056 (ldst_entry): Find or create a ldst_expr structure.
4057 (free_ldst_entry): Free memory for an individual item.
4058 (free_ldst_mems): Free entire load/store expression list.
4059 (print_ldst_list): Print debug info.
4060 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
4061 (enumerate_ldsts): Assign integer values to each entry in list.
4062 (first_ls_expr): First expression in the list.
4063 (next_ls_expr): Next expression in the list.
4064 (simple_mem): Check if expression qualifies for ld/st expression list.
4065 (invalidate_any_buried_refs): Remove from expression list if its
4066 used in some other way we dont understand.
4067 (compute_ld_motion_mems): Find all potential enhanced load motion
4069 (trim_ld_motion_mems): Remove any expressions which are invalid.
4070 (update_ld_motion_stores): Copy store values to registers for loads
4071 which have been moved.
4072 (regvec, st_antloc, num_store): New global statics.
4073 (reg_set_info): Marks registers as set.
4074 (store_ops_ok): Verfies registers expressions are valid in a block.
4075 (find_moveable_store): Look for moveable stores in a pattern.
4076 (compute_store_table): Find stores in a function worth moving, maybe.
4077 (load_kills_store): Check dependance of a load and store.
4078 (find_loads): Find any loads in a pattern.
4079 (store_killed_in_insn): Check if a store is killed in an insn.
4080 (store_killed_after): Check is store killed after an insn in a block.
4081 (store_killed_before): Check is store killed before an insn in a block.
4082 (build_store_vectors): Generate the antic and avail vectors.
4083 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
4084 (insert_store): Add a store to an edge.
4085 (replace_store_insn): Replace a store with a SET insn.
4086 (delete_store): Delete a store insn.
4087 (free_store_memory): Free memory.
4088 (store_motion): Perform store motion.
4089 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
4090 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
4091 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
4092 (f_options): Add gcse-lm and gcse-sm.
4094 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
4096 * i386.c (expand_fp_movcc): Fix condition reversal code.
4098 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
4099 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
4100 (CLASS_MAX_NREGS): Use it.
4102 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
4103 handle properly complex values.
4104 (CLASS_MAX_NREGS): Likewise; update comment.
4106 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4108 * ia64.c (ia64_flag_schedule_insns2): New variable.
4109 (ia64_override_options): Initialize it. Clear
4110 flag_schedule_insns_after_reload.
4111 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
4113 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
4115 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
4116 Do not require source to match destination anymore;
4117 Add abort to the nontrivial cases that should be handled by split.
4118 (fix_trunc?fdi): Add SSE case for x86_64.
4119 (floatdi?f): Likewise.
4120 (floatdi?f_sse): New.
4121 (fix_trunc?fdi_sse): New.
4123 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
4125 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
4126 (DEBUG_ARANGES_END_LABEL): Ditto.
4127 (dwarfout_init): Generate length and version fields at the start
4128 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
4129 after the length field.
4130 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
4131 the .debug_aranges info.
4133 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4135 * i386.c (call, call_value): Make sure that resulting call_insn
4136 does have proper second operand.
4138 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
4140 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
4141 function. Remove include of sys/cygwin.h.
4143 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
4145 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
4146 (CPP_SPEC): Always search */include/w32api for header files.
4147 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
4148 (LINK_SPEC): Add "cyg" to the library search prefixes.
4150 2001-04-08 Philip Blundell <philb@gnu.org>
4152 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
4154 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
4156 * cpperror.c (print_location): Don't special case <stdin>.
4157 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
4158 WARNING, but we don't check if we're in system headers.
4159 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
4160 * cpplib.c (do_warning): Warn in system headers.
4162 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
4164 * mbchar.c: Include config.h first.
4166 2001-04-07 Zack Weinberg <zackw@stanford.edu>
4168 * config.gcc: Set default for xmake_file at top, not bottom.
4169 Change places that set xmake_file to "none" to set to the
4170 empty string instead, or remove them entirely if there is no
4171 default xmake_file for this cpu_type. Remove references to
4174 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
4175 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
4176 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
4177 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
4178 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
4179 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
4180 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
4181 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
4182 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
4183 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
4186 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
4187 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4188 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4189 config/mips/x-sysv, config/rs6000/x-aix31:
4190 Just set CLIB to -lld or -lmld, as appropriate.
4192 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
4193 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
4194 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
4195 config/mips/x-iris, config/pa/x-pa:
4196 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
4197 OTHER_FIXINCLUDES_DIRS.
4199 * config/i386/x-djgpp: Don't set LN or LN_S.
4200 * config/m88k/x-dolph: Don't define __m88k__.
4201 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
4202 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
4203 * config/i860/fx2800.h: No need to #undef SVR4.
4205 38 x-host fragments remain, 2 x-cpu.
4207 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4209 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
4211 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4213 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
4215 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4217 * configure.in: Add check for lstat.
4218 * configure, config.in: Regenerate.
4219 * cppinit.c (append_include_chain): Make empty path ".".
4220 * cpplib.c (do_line): Don't simplify #line paths.
4221 * cppfiles.c (remove_component_p): New function.
4222 (find_or_create_entry): Acknowledge stat () errors during
4223 path simplification.
4224 (handle_missing_header): Don't simplify paths.
4225 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
4226 the empty path untouched. Don't leave a trailing '/'.
4228 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
4230 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4231 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4233 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4235 * cppfiles.c (open_file): Fail directories silently, but
4236 with an errno of NOENT set.
4237 (read_include_file): Move the common exit code to the sole
4238 caller. Return an int indicating success or failure. Let
4239 open_file handle directories.
4240 (stack_include_file): If read_include_file fails,
4241 push a "null" buffer.
4243 2001-04-05 DJ Delorie <dj@redhat.com>
4245 * function.h (virtuals_instantiated): Declare.
4246 * function.c: (virtuals_instantiated): Make global.
4247 * calls.c (emit_library_call_value_1): Use
4248 virtual_outgoing_args_rtx only if it hasn't been instantiated.
4249 Otherwise, use the stack pointer directly.
4251 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4253 * i386.c (x86_initialize_trampoline): New global function.
4254 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
4255 (INITIALIZE_TRAMPOLINE): Move offline.
4256 * i386-protos.h (x86_initialize_trampoline): Declare.
4258 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4260 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
4261 (lea_0): Rename to lea_1.
4262 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
4263 (lea_general_?): Allow SImodes on TARGET_64BIT
4264 (lea_general_?_zext): New patterns.
4265 (call_1, call_1_rex64): Fix.
4267 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4269 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
4271 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4273 * i386.c (function_arg): Return constm1_rtx for last argument.
4274 (ix86_expand_prologue): Update gen_call calls.
4275 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
4276 * i386.md (call_pop): Likewise.
4277 (call): Second operand is VOIDmode.
4278 (call_0): Likewise; Support 64bits.
4279 (call_exp): New expander.
4280 (call_1): Get to the sync.
4281 (call_1_exp): New pattern.
4282 (call_value): Support 64bit.
4283 (call_value_exp): New pattern.
4284 (untyped_call): Update gen_call call.
4285 (call_value_pop): Disable for 64bit.
4286 (call_value_0_rex64): New pattern.
4287 (call_value_1_rex64): Likewise.
4289 2001-04-05 Bo Thorsen <bo@suse.de>
4291 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
4293 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
4295 * i386.md (*andsi_1+3): If used after reload, make sure the operand
4296 satisfies ANY_QI_REG_P.
4298 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4300 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
4303 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
4306 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4308 * config.gcc: Remove default for xm_file. Clean up local
4309 machine type handling. Remove settings of xm_file to
4310 something that doesn't exist. In the big switch, set xm_file,
4311 don't append to it (the value before the big switch is always
4312 null). Don't force build_xm_file or host_xm_file to have a value.
4313 * configure.in: Remove default for xm_file. Do not special
4314 case $cpu/xm-$cpu.h not existing.
4315 * configure: Regenerate.
4317 2001-04-04 Diego Novillo <dnovillo@redhat.com>
4319 * simplify-rtx.c (simplify_binary_operation): Check for overflow
4320 when folding integer division and modulo operations.
4322 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
4324 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
4325 instead of DWARF2_ADDR_SIZE for EH addresses.
4326 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
4329 2001-04-04 Richard Henderson <rth@redhat.com>
4331 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
4332 * config/ia64/t-glibc (LIB2ADDEH): Disable.
4333 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
4335 2001-04-04 Richard Henderson <rth@redhat.com>
4337 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
4338 * configure: Rebuilt.
4340 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4342 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
4343 push insns to delete to it instead of deleting them.
4344 (delete_null_pointer_checks): Delete insns from delete_list after
4345 all delete_null_pointer_checks_1 passes are done.
4347 2001-04-04 Richard Henderson <rth@redhat.com>
4349 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
4350 * configure: Rebuilt.
4352 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4354 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
4355 * config/romp/xm-romp.h: Delete.
4357 2001-04-04 Bernd Schmidt <bernds@redhat.com>
4359 * sched-deps.c (sched_analyze_insn): Partially revert March 27
4362 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4364 * emit-rtl.c (mark_label_nuses) Increment the label uses for
4365 all labels present in rtx.
4366 (try_split) Call new function for all split insns.
4368 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4370 * recog.c (validate_replace_rtx_1): Instead of aborting just make
4371 sure the change won't be validated.
4373 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
4375 * rtl.h (set_noop_p): Declare.
4376 * flow.c (set_noop_p): Move from here ...
4377 * rtlanal.c (set_noop_p): ... to here and enhance.
4378 * cse.c (delete_trivially_dead_insns): Use it.
4379 * gcse.c (hash_scan_set): Likewise.
4380 * jump.c (delete_noop_moves): Likewise.
4381 * recog.c (split_all_insns): Likewise.
4383 2001-04-04 Alan Modra <alan@linuxcare.com.au>
4385 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
4386 stack pointer via a LO_SUM. Ditto for setting a temp register
4387 used to save to the stack. Set cfa_temp when setting fp, and
4388 allow matches to cfa_temp in addition to cfa_store when saving
4389 regs. Handle POST_INC and LO_SUM register stores. Document the
4390 changes and errors in rule 12 doco.
4392 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
4393 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
4394 (load_reg): Move closer to epilogue code.
4395 (DO_FRAME_NOTES): Define to control the following..
4396 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
4397 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
4399 (hppa_expand_epilogue): Likewise.
4401 2001-04-03 Richard Henderson <rth@redhat.com>
4403 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
4404 * configure: Rebuild.
4406 2001-04-03 Richard Henderson <rth@redhat.com>
4408 * rtl.h (LCT_THROW): New.
4409 * calls.c (emit_library_call_value_1): Handle it.
4410 * except.c (connect_post_landing_pads): Use it.
4412 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4414 * gansidecl.h: Delete file.
4415 * configure.in: Change all refs to gansidecl.h to use
4416 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
4418 * configure: Regenerate.
4420 * Makefile.in (intl.o): Don't depend on gansidecl.h.
4421 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
4422 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
4423 Don't include gansidecl.h.
4424 * intl.c, main.c, version.c, fixinc/fixlib.h,
4425 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
4428 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4430 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
4433 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4435 * config/i386/xm-beos.h, config/i386/xm-isc.h,
4436 config/i386/xm-next.h, config/i386/xm-sco.h,
4437 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
4438 config/m88k/xm-m88k.h: Delete.
4440 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
4441 * config/romp/xm-romp.h: Don't define bcopy.
4442 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
4443 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
4445 * config.gcc: Remove references to deleted files.
4447 14 xm-host.h remain, 1 xm-cpu.h.
4449 2001-04-03 Jakub Jelinek <jakub@redhat.com>
4450 David S. Miller <davem@pierdol.cobaltmicro.com>
4451 Andrew MacLeod <amacleod@redhat.com>
4453 Use byte offsets in SUBREGs instead of words.
4455 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
4456 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
4457 to pass new argument.
4458 (add_stored_regs): Use subreg_regno_offset function.
4459 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
4461 (precompute_arguments): Use gen_lowpart_SUBREG.
4462 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
4463 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
4464 (simplify_set): Rework to use SUBREG_BYTE.
4465 (expand_field_assignment): Use SUBREG_BYTE.
4466 (make_extraction): Use SUBREG_BYTE.
4467 (if_then_else_cond): Use SUBREG_BYTE.
4468 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
4469 (gen_lowpart_for_combine): Compute full byte offset.
4470 * cse.c (mention_regs): Use SUBREG_BYTE.
4471 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
4472 (canon_hash): Use SUBREG_BYTE.
4473 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
4474 (gen_lowpart_if_possible): Formatting.
4475 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
4477 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4478 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4479 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4480 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4481 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4482 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4483 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
4484 certain invariants about SUBREGs the compiler creates.
4485 (gen_lowpart_SUBREG): New function.
4486 (subreg_hard_regno): New function to get the final register number.
4487 (gen_lowpart_common): Use SUBREG_BYTE.
4488 (gen_imagpart): Spacing nits.
4489 (subreg_realpart_p): Use SUBREG_BYTE.
4490 (gen_highpart): Use SUBREG_BYTE.
4491 (subreg_lowpart_p): Always compute endian corrected goal offset,
4492 even at the byte level, then compare against that.
4493 (constant_subword): New function, pulled out all constant cases
4494 from operand_subword and changed second argument name to offset.
4495 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
4496 and call constant_subword to do the work. Return const0_rtx if
4497 looking for a word outside of OP.
4498 (operand_subword_force): Change second arg name to offset.
4499 * expmed.c (store_bit_field): Use SUBREG_BYTE.
4500 (store_split_bit_field): Use SUBREG_BYTE.
4501 (extract_bit_field): Use SUBREG_BYTE.
4502 (extract_split_bit_field): Use SUBREG_BYTE.
4503 (expand_shift): Use SUBREG_BYTE.
4504 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
4505 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
4506 * flow.c (set_noop_p): Use SUBREG_BYTE.
4507 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
4508 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
4509 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
4511 (optimize_bit_field): Use SUBREG_BYTE.
4512 (purge_addressof_1): Use SUBREG_BYTE.
4513 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
4514 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
4515 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
4516 * gengenrtl.c (special_rtx): Add SUBREG.
4517 * global.c (mark_reg_store): Use SUBREG_BYTE.
4518 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
4519 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
4520 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
4521 final byte offset is congruent to subreg's mode size.
4522 (subst_constants): Use SUBREG_BYTE.
4523 (mark_stores): Use subreg_regno_offset function.
4524 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
4525 function and SUBREG_BYTE.
4526 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
4527 (reg_is_born): Use subreg_hard_regno.
4528 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
4529 endian correction code. Don't combine subregs unless resulting
4530 offset aligns with type. Fix subreg constant extraction for DImode.
4531 Simplify SUBREG of VOIDmode CONST_DOUBLE.
4532 (general_operand): Remove dead mode_altering_drug code.
4533 (indirect_operand): Use SUBREG_BYTE.
4534 (constrain_operands): Use subreg_regno_offset function.
4535 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
4536 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
4537 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
4538 * regs.h (REG_SIZE): Allow target to override.
4539 (REGMODE_NATURAL_SIZE): New macro which target can override.
4540 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
4541 on the entire subreg rtx.
4542 (push_reload): Use SUBREG_BYTE in comments and code.
4543 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
4544 for hard registers inside subregs.
4545 (operands_match_p): Use subreg_regno_offset.
4546 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
4547 containing hard regs.
4548 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
4549 corrections when fixing up MEM subregs.
4550 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
4551 subreg_regno_offset where appropriate.
4552 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
4553 byte endian corrections when fixing up MEM subregs.
4554 (subst_reloads): When combining two subregs, make sure final
4555 offset is congruent to subreg's mode size.
4556 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
4557 (refers_to_regno_for_reload_p): Use subreg_regno.
4558 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
4559 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
4560 correction code for memory subreg fixups.
4561 (forget_old_reload_1): Use subreg_regno_offset.
4562 (choose_reload_regs): Use subreg_regno.
4563 (emit_input_reload_insns): Use SUBREG_BYTE.
4564 (reload_combine_note_store): Use subreg_regno_offset.
4565 (move2add_note_store): Use subreg_regno_offset.
4566 * resource.c (update_live_status, mark_referenced_resources): Use
4567 subreg_regno function.
4568 (mark_set_resources): Use subreg_regno function.
4569 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
4570 (subreg_regno_offset, subreg_regno): Define prototypes.
4571 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
4572 (gen_lowpart_SUBREG): Add prototype.
4573 * rtl.texi (subreg): Update to reflect new byte offset representation.
4574 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
4575 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
4576 (reg_overlap_mentioned_p): Use subreg_regno.
4577 (replace_regs); Make sure final offset of combined subreg is
4578 congruent to size of subreg's mode.
4579 (subreg_regno_offset): New function.
4580 (subreg_regno): New function.
4581 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
4582 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
4583 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
4584 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
4585 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
4586 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
4587 (a29k_get_reloaded_address): Use SUBREG_BYTE.
4588 (print_operand): Use SUBREG_BYTE.
4589 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
4590 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
4591 (arm_reload_out_hi): Use SUBREG_BYTE.
4592 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
4593 instead of SUBREG_WORD.
4594 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
4595 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
4596 SUBREG creation to use byte offset.
4597 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
4598 inverted load insns): Fix explicit rtl subregs to use byte
4600 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
4601 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
4602 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
4603 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
4604 to use byte offsets.
4605 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
4606 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
4607 offsets, also make sure it is congruent to SUBREG's mode size.
4608 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
4609 unnamed ldob insn): Generate SUBREGs with byte offset.
4610 (zero_extendqihi2): SUBREG's are byte offsets.
4611 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
4612 (m68hc11_gen_highpart): Use SUBREG_BYTE.
4613 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
4614 zero-extendqisi2): Generate SUBREGs with byte offset.
4615 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
4616 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
4617 subregs in rtl to use byte offsets.
4618 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
4619 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
4620 (mips_move_2words): Use subreg_regno_offset.
4621 (mips_secondary_reload_class): Use subreg_regno_offset.
4622 * config/mips/mips.md (DImode plus, minus, move, and logical op
4623 splits): Fixup explicit subregs in rtl to use byte offsets.
4624 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
4625 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
4626 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
4627 rtl to use byte offsets.
4628 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
4629 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
4630 subregs to use byte offsets.
4631 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
4632 Fixup explicit subregs in rtl to use byte offsets.
4633 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
4634 and remove byte endian correction code.
4635 * config/sh/sh.c (output_movedouble): Use subreg_regno.
4636 (gen_ashift_hi): Use SUBREG_BYTE.
4637 (regs_used): Use subreg_regno_offset.
4638 (machine_dependent_reorg): Use subreg_regno_offset.
4639 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
4640 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
4641 (movdf_i4): Subregs are byte offsets now.
4642 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
4643 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
4644 (REGMODE_NATURAL_SIZE): Override.
4645 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
4646 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
4648 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
4649 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
4650 extendqidi2): Generate SUBREGs with byte offsets, also make sure
4651 it is congruent to SUBREG's mode size.
4652 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
4654 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
4655 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
4656 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
4657 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
4658 * config/v850/v850.c (print_operand, output_move_double): Use
4659 subreg_regno function.
4661 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4663 * configure.in (target_subdir): Use target_alias, not target.
4664 * configure: Rebuilt.
4666 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4668 * config/sh/crti.asm: Fix typos in comments.
4670 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4672 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
4673 TARGET_FAST_INDIRECT_CALLS.
4674 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
4676 (return_addr_rtx): Short circuit export stub matching when
4677 TARGET_NO_SPACE_REGS.
4678 (output_millicode_call): For out of range calls, make -fPIC
4679 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
4680 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
4681 * pa.md: Modify length attr calculation of all millicode insns to
4684 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
4686 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4687 Require at least 2.11 in the version test. Specifically check
4688 for and reject GAS version 2.10.90.
4689 * configure: regenerate.
4691 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4693 * pa.c (override_options): Remove PIC profiling warning.
4694 (hp_profile_labelno): Delete.
4695 (hp_profile_label_rtx): Delete.
4696 (hp_profile_label_name): Delete.
4697 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
4698 (output_function_prologue): Remove profiling code and all tests on
4699 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
4700 merge_sp_adjust_with_store can work for PIC and profiling.
4701 (hppa_expand_epilogue): Remove profile_flag test.
4702 (hppa_can_use_return_insn_p): Likewise.
4703 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
4704 cater for PROFILE_HOOK.
4705 (hppa_profile_hook): New function.
4706 * pa.h (FUNCTION_PROFILER): Now does nothing.
4707 (PROFILE_HOOK): Define.
4708 (hppa_profile_hook): Declare.
4709 (PROFILE_BEFORE_PROLOGUE): Delete.
4710 (ASM_OUTPUT_REG_PUSH): Delete.
4711 (ASM_OUTPUT_REG_POP): Delete.
4712 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
4713 r24. Accept function name operand, and use this and a locally
4714 generated label to calculate pc-rel offset to func start.
4716 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4718 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
4719 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
4722 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4724 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4725 LO_SUM cases to where they belong.
4727 2001-04-02 Richard Henderson <rth@redhat.com>
4729 * except.h (lang_eh_type_covers): Mark extern.
4730 (lang_eh_runtime_type): Likewise.
4732 2001-04-02 Zack Weinberg <zackw@stanford.edu>
4734 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
4735 gengenrtl.c: Wrap generated header in multiple-include guard.
4736 Improve error checking.
4738 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4740 * configure.in: Don't check for putenv.
4741 * configure: Regenerate.
4742 * gcc.c (putenv): Don't define.
4743 * vax/xm-vms.h: Handle putenv.
4745 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4747 * ifcvt.c (noce_emit_move_insn): New.
4748 (noce_try_store_flag, noce_try_store_flag_constants,
4749 noce_try_store_flag_inc, noce_try_store_flag_mask,
4750 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
4751 noce_try_abs): Use it.
4752 (noce_process_if_block): Likewise.
4753 For STRICT_LOW_PART, take mode from its SUBREG.
4755 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4757 * fold-const.c (fold): Before optimizing unsigned comparison with
4758 0x7fffffffU, make sure arg0 is integral type.
4760 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4762 * c-tree.texi: Document representation of wide strings.
4764 2001-04-01 Richard Henderson <rth@redhat.com>
4766 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
4768 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
4770 * i386.md: remove obsoleted comments.
4771 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
4772 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
4773 fix output template.
4775 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4777 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
4779 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4781 * loop.c (load_mems): When generating a load from a pseudo, update
4784 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4786 * i386.c (ix86_split_long_move): Use change address to compensate
4787 stack pointer change in push instruction.
4789 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4791 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
4792 instead of rtx_equal_p; fix the output template.
4794 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4796 * i386.c (ix86_expand_setcc): Support 64bit.
4797 (ix86_expand_int_movcc): Likewise.
4798 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
4801 * i386.md (allocate_stack_worker): Turn to expander.
4802 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
4804 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
4806 2001-03-29 Richard Henderson <rth@redhat.com>
4808 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
4810 2001-03-28 Matthew Hiller <hiller@redhat.com>
4812 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
4815 * MAINTAINERS: Added self.
4817 2001-03-28 Richard Henderson <rth@redhat.com>
4819 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4820 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
4822 2001-03-28 Jim Wilson <wilson@redhat.com>
4824 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
4827 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4829 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
4831 * tradcif.y (yyerror): Likewise. Add format specifier in call to
4834 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
4836 2001-03-28 DJ Delorie <dj@redhat.com>
4838 * Makefile.in (stage1_build): Revert CFLAGS patch.
4840 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
4842 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
4843 when multiplier or multiplicand is zero.
4845 2001-03-28 Bernd Schmidt <bernds@redhat.com>
4847 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
4849 * config/ia64/ia64.c (update_set_flags): New function, broken out of
4851 (set_src_needs_barrier): Likewise.
4852 (rtx_needs_barrier): For SET case, use these two functions. Rework
4853 PARALLEL case to handle all inputs before all outputs.
4854 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
4855 saw a label and no stop bit since then.
4856 (maybe_rotate, process_epilogue): Add prototypes.
4858 2001-03-28 Richard Henderson <rth@redhat.com>
4860 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
4861 not TARGET_TOC for special toc restore handling.
4862 * config/rs6000/rs6000.md (eh_return): Likewise.
4864 2001-03-28 Richard Henderson <rth@redhat.com>
4866 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
4867 current_function_calls_eh_return.
4868 (output_function_epilogue): Handle eh_return.
4869 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
4870 (EH_RETURN_DATA_REGNO): New.
4871 (EH_RETURN_STACKADJ_RTX): New.
4872 (EH_RETURN_HANDLER_RTX): New.
4873 * config/sparc/sparc.md (call/short branch peepholes): Check
4874 can_throw_internal instead of in_same_eh_region.
4876 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
4877 for eh_return data registers.
4878 (rs6000_emit_prologue): Save eh_return data registers.
4879 (rs6000_emit_epilogue): Force inline restores if eh_return.
4880 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
4881 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
4882 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
4883 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
4884 the target uses one.
4885 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
4886 (return_eh_si, return_eh_di): Remove.
4887 (eh_return): New, from corpse of eh_epilogue.
4888 (eh_set_lr_si, eh_set_lr_di): New.
4890 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
4891 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
4892 True for pic register if current_function_calls_eh_return.
4893 (ix86_expand_epilogue): Change "emit_return" argument into "style".
4894 Handle eh_return requirements.
4895 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
4896 (EH_RETURN_STACKADJ_RTX): New.
4897 * config/i386/i386.md (exception_receiver): Remove.
4898 (eh_return, eh_return_1): New.
4899 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4901 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
4902 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
4903 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
4904 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
4905 (EH_RETURN_DATA_REGNO): New.
4906 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
4907 * config/alpha/alpha.md (eh_epilogue): Remove.
4908 (exception_receiver): Use $26 for ldgp input.
4909 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4911 2001-03-28 Richard Henderson <rth@redhat.com>
4913 * except.c: Rewrite entirely for IA-64 ABI exception handling.
4914 * except.h: Likewise.
4916 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
4917 (LIB2ADDEHDEP): New.
4918 (LIB2FUNCS_EH): Remove.
4919 (LIB2ADD): Remove LIB2ADDEH.
4920 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
4921 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
4922 (crt{begin,end}[S].o): Likewise.
4923 (except.o): Update includes.
4924 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
4925 (libgcc2_c_dep): Use LIB2ADDEHDEP.
4927 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
4928 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
4929 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
4930 * builtins.c (expand_builtin): Implement it.
4931 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
4932 * c-common.c (c_common_nodes_and_builtins): Declare it.
4933 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
4934 * calls.c (libfunc_nothrow): Remove.
4935 (emit_library_call_value_1): Don't call it.
4936 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
4937 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
4938 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
4939 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
4940 (current_funcdef_number): Globalize.
4941 (output_call_frame_info): Emit frame data if an lsda is needed.
4942 Generate augmentation for personality routine. Don't play with
4944 (dwarf2out_begin_prologue): Record funcdef_number.
4945 * dwarf2out.h (current_funcdef_number): Declare.
4946 * expr.c (expand_expr): Update for except.h name changes.
4947 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
4948 * expr.h (LTI_throw, LTI_rethrow): Remove.
4949 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
4950 (LTI_eh_rtime_match): Remove.
4951 (LTI_unwind_resume, LTI_eh_personality): Add.
4952 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
4953 * final.c (final): Don't call check_exception_handler_labels,
4954 init_insn_eh_region, or free_insn_eh_region.
4955 (final_scan_insn): Always emit debug labels for
4956 NOTE_INSN_EH_REGION notes.
4957 * flags.h (flag_new_exceptions): Remove.
4958 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
4959 (record_active_eh_regions): Remove.
4960 (count_basic_blocks): Check all instructions for REG_EH_REGION.
4961 Use can_throw_internal.
4962 (find_basic_blocks_1): Likewise.
4963 (move_stray_eh_region_notes): Remove.
4964 (find_label_refs): No eh_return_stub_label.
4965 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
4966 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
4968 (delete_unreachable_blocks): Don't track deleted handlers.
4969 (flow_delete_block): Use maybe_remove_eh_handler.
4970 (delete_eh_regions): Remove.
4971 (merge_blocks): Don't check for eh region match.
4972 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
4973 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
4974 (init_propagate_block_info): Disable dead frame store optimization
4975 when current_function_calls_eh_return.
4976 (dump_bb): Don't print eh_beg, eh_end.
4977 * function.c (fixup_var_refs): No catch_clauses.
4978 (expand_function_end): Likewise. Call expand_eh_return before
4979 the return register use. Call sjlj_emit_function_exit_after.
4980 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
4981 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
4982 * ifcvt.c (dead_or_predicable): Remove eh region check.
4983 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
4984 Don't check for EH vs parameters.
4985 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
4986 (expand_inline_function): Call duplicate_eh_regions.
4987 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
4988 (copy_insn_notes): Remap REG_EH_REGION notes.
4989 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
4990 * integrate.h (struct inline_remap): Add local_return_label.
4991 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
4992 check_exception_handler_labels, nor exception_optimize.
4993 (find_cross_jump): No EH region check.
4994 * optabs.c (init_optabs): Update for changed eh libfuncs.
4995 * rtl.def (RESX): New.
4996 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
4997 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
4998 checks. Update for except.h name changes.
4999 (expand_cleanups): Likewise.
5000 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
5001 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
5002 (compile_file): Call init_eh before init_optabs. Don't
5003 output_exception_table here.
5004 (rest_of_compilation): Call convert_from_eh_region_ranges,
5005 convert_to_eh_region_ranges, output_function_exception_table.
5006 Don't emit_eh_context.
5007 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
5008 (EXC_PTR_EXPR): New.
5010 * md.texi (eh_epilogue): Remove.
5011 (eh_return): Document.
5012 * tm.texi (EH_RETURN_DATA_REGNO): Document.
5013 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
5015 * eh-common.h: Remove file.
5016 * frame-dwarf2.c, frame.c, frame.h: Remove files.
5017 * libgcc2.c (L_eh): Remove.
5019 * unwind-dw2-fde.c: New file, largely copied from frame.c.
5020 * unwind-dw2-fde.h: New file.
5021 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
5022 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
5023 * libgcc-std.ver: Update for eh symbols.
5025 2001-03-27 Richard Henderson <rth@redhat.com>
5027 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
5028 reduce false positives.
5029 (regmove_optimize): Disable if flag_non_call_exceptions.
5031 * stmt.c (expand_return): Remove always true predicate.
5032 (expand_decl_cleanup_no_eh): Remove dead code.
5034 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
5035 barrier code. Add a scheduling barrier if a non-call insn
5036 can throw internally.
5038 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
5039 Auto-inc addresses trap only if their base register does.
5041 * except.c (can_throw_internal): Rename from can_throw.
5042 * except.h, resource.c: Update references.
5044 * integrate.c (copy_insn_list): Use returnjump_p.
5045 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
5047 * function.h (struct function): Move all boolean valued fields
5048 to single bit fields at the end of the struct.
5050 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
5052 Rename asynchronous_exceptions to flag_non_call_exceptions.
5054 * gthr-single.h (UNUSED): New. Distinguish between how C
5055 and C++ mark unused function arguments. Use throughout.
5057 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
5058 value to target configuration header.
5059 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
5060 * config.in, configure: Rebuild.
5061 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
5062 configuration and target defines.
5063 (exceptions_via_longjmp): Remove.
5064 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
5065 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
5067 * except.h (flag_non_call_exceptions): Move ...
5068 * flags.h: ... here.
5070 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
5071 exceptions, put the note on the trapping instruction.
5073 * flags.h (flag_new_exceptions): Remove.
5074 * toplev.c: Don't set it.
5075 * final.c: Don't check it.
5076 * except.c: Provide stub definition.
5078 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
5079 (calculate_global_regs_live): Kill call-clobbered registers
5080 across exception edges.
5081 * reg-stack.c (convert_regs_1): Kill the entire target stack
5082 across non-call exception edges.
5084 * flow.c (cleanup_cfg): Take no argument.
5085 * output.h, sibcall.c, toplev.c: Update all calls.
5087 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5089 * configure.in: Don't check for bcopy.
5090 * configure, config.in: Regenerate.
5092 * system.h: Don't define or prototype bcopy, instead poison it.
5094 2001-03-27 Richard Henderson <rth@redhat.com>
5096 * function.c (expand_function_start): Set DECL_REGISTER on
5097 a pseudo used for DECL_RESULT.
5099 * rtl.h (LCT_NORETURN): New.
5100 * calls.c (emit_library_call_value_1): Handle it.
5102 2001-03-27 Stan Shebs <shebs@apple.com>
5104 * objc/objc-act.c (objc_init): Use dump_base_name.
5105 (gen_declaration): Clear the buffer arg.
5106 (gen_declaration_1): New function, body of gen_declaration.
5107 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
5108 (gen_method_decl): Ditto, plus always clear buffer arg.
5109 (error_with_ivar): Simplify.
5110 (warn_with_method): Ditto.
5111 (build_message_expr): Don't clear buffers.
5112 (dump_interface): Ditto.
5113 (objc_debug): Ditto.
5114 (build_keyword_selector): Clear the buffer by only zeroing
5116 (objc_implementation_context): Declare.
5117 (start_class): Warn about missing @end.
5118 (finish_objc): Ditto.
5120 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
5122 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
5124 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5126 * Makefile.in (SYSTEM_H): Define.
5127 Depend on $(SYSTEM_H), not system.h.
5129 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
5131 2001-03-27 Jim Wilson <wilson@redhat.com>
5133 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
5135 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
5136 (process_epilogue): New static function.
5137 (process_set): Call process_epilogue instead of emitting .restore
5139 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
5141 * flow.c (struct reg_cond_life_info): New fields orig_condition
5143 (init_propagate_block_info): Set new fields.
5144 (mark_regno_cond_dead): Set and use new fields.
5145 (flush_reg_cond_reg_1): Likewise.
5146 (and_reg_cond, case AND): Check for redundant AND conditions.
5147 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
5150 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
5152 * cppmacro.c (stringify_arg): Null terminate strings.
5154 2001-03-27 Zack Weinberg <zackw@stanford.edu>
5156 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
5157 inclusion style. xm-m68hc11.h no longer exists.
5158 * config/m68hc11/xm-m68hc11.h: Delete file.
5159 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
5161 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
5162 Don't define GCC_VERSION, N_, or PARAMS; don't include
5163 gansidecl.h or stdio.h. Define inhibit_libc here.
5164 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5165 Delete code conditioned on #if GCC_VERSION == 2095.
5167 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
5168 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5169 Delete code conditioned on #if GCC_VERSION == 2095.
5171 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5173 * system.h: Include symcat.h.
5174 (STRINGIFY): Don't define.
5176 * configure.in: Adjust comment.
5178 * builtins.c: Use STRINGX, not STRINGIFY.
5179 * gencheck.c: Likewise.
5180 * gengenrtl.c: Likewise.
5181 * protoize.c: Likewise.
5183 * cpplex.c: Don't include symcat.h.
5184 * cpplib.c: Likewise.
5186 * gansidecl.h (HAVE_STRINGIZE): Don't define.
5188 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5190 * c-typeck.c (digest_init): Fold init expression.
5192 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5194 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
5196 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5198 * except.c (eh_regs): Save results of build_pointer_type to a temp
5199 as FUNCTION_VALUE macro may evaluate its args multiple times.
5201 2001-03-26 Mark Mitchell <mark@codesourcery.com>
5203 * c-common.h (DECL_NUM_STMTS): New macro.
5204 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
5206 (pushdecl): Likewise.
5207 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
5208 * integrate.c (expand_inline_function): Don't check
5210 * print-tree.c (print_node): Don't print it.
5211 * toplev.c (rest_of_compilation): Don't try to inline when
5212 flag_no_inline is on.
5213 * tree.h (DECL_FRAME_SIZE): Remove.
5214 (tree_decl): Adjust accordingly.
5216 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5218 * combine.c (try_combine): Use memcpy, not bcopy.
5220 * genattrtab.c (expand_units): Likewise.
5222 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5224 * i386.md (push mem DI peep2): New.
5225 (mov 0, mov -1 peep2): Handle 64bit.
5226 (lea to arithmetics peep2): Handle 64bit leas.
5227 (rsp arithmetics to push/pop peep2s): New.
5229 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
5231 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5233 * i386.c (struct machine_function): Add save_varrargs_registers.
5234 (ix86_save_varrargs_registers): New macro.
5235 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
5236 (ix86_expand_prologue): Likewise.
5237 (ix86_emit_epilogue_esp_adjustement): Likewise.
5238 (ix86_expand_epilogue): Likewise.
5239 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
5240 (pro_epilogue_adjust_stack_1): New insn.
5241 (pro_epilogue_adjust_stack_rex64): Likewise.
5242 * i386.h (MASK_NO_RED_ZONE): New constant.
5243 (TARGET_RED_ZONE): New macro.
5244 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
5245 (RED_ZONE_SIZE): New constant.
5246 (RED_ZONE_RESERVE): New constant.
5248 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5250 * toplev.c (set_float_handler): Use memcpy, not bcopy.
5252 2001-03-25 Kazu Hirata <kazu@hxi.com>
5254 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
5257 (umodhi3): Likewise.
5260 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5262 * mkconfig.sh (DEFINES): Handle entries with '='.
5264 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
5265 Set xm_defines to MACRO=value instead.
5267 * i370/xm-mvs.h: Delete.
5269 * ns32k/xm-pc532-min.h: Likewise.
5271 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5273 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
5275 use ix86_expand_binary_operator
5276 (?sh??i_?): Disable for 64bit.
5277 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
5278 * i386.c (shiftdi_operand): New predicate.
5280 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
5281 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
5282 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
5283 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
5284 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
5285 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
5286 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
5287 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
5288 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
5289 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
5290 (rotldi3, rotrdi3): New expanders.
5292 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5294 * i386.md (movstrsi): Move offline.
5296 (strmovdi_rex64): New.
5297 (strmov?i): Accept 64bit.
5298 (strmov?i_rex64): New.
5299 (strmov?i_rex_1): New.
5300 (strmov?i_1): Disable for 64bit.
5301 (rep_mov?i_rex64): New.
5302 (rep_mov?i): Disable for 64bit.
5303 (clrstrsi): Move offline.
5304 (strset?i_rex64): New.
5305 (strset?i: Accept 64bit.
5306 (rep_stos?i): Disable for 64bit.
5307 (rep_stos?i_rex64): New.
5308 (strset?i_rex_1): New.
5309 (strset?i_1): Disable for 64bit.
5310 (cmpstrsi): Accept 64bit.
5311 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
5312 (cmpstrqi_nz_rex_1): New.
5313 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
5314 (strlensi): Move offline.
5316 (strlenqi_1): Disable for 64bit; fix constraints.
5317 (strlenqi_rex_1): New.
5318 * i386.c (ix86_adjust_counter): New static function.
5319 (ix86_zero_extend_to_Pmode): Likewise.
5320 (ix86_expand_aligntest): Likweise.
5321 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
5322 (ix86_expand_movstr): New global function.
5323 (ix86_expand_clrstr): New global function.
5324 (ix86_expand_strlen): New global function.
5325 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
5326 ix86_expand_strlen): Declare.
5327 (ix86_expand_strlensi_unroll_1): Delete.
5329 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
5331 * i386.md (cmpdi): Fix operand predicates.
5332 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
5333 cmpdi_1_insn_rex64): New patterns.
5334 (adddi3): Turn to expander.
5335 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
5336 (addsi3_carry_zext): New pattern.
5337 (adddi_?_rex64): New patterns and splitters.
5338 (addsi_?_zext): New patterns.
5339 (subsi3_carry_zext): New pattern.
5340 (subdi_?_rex64): New patterns and splitters.
5341 (iorsi_?_zext): New patterns.
5342 (iordi_?_rex64): New patterns and splitters.
5343 (iorsi_?_zext): New patterns.
5344 (iorsi_?_zext_imm): New patterns.
5345 (xorsi_?_zext): New patterns.
5346 (xordi_?_rex64): New patterns and splitters.
5347 (xorsi_?_zext): New patterns.
5348 (negdi*): New patterns.
5349 (one_cmpldi*): Likewise.
5350 (one_cmplsi*_zext, negsi*_zext): Likewise.
5351 (testqi_ext_3_rex64): New pattern.
5353 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
5355 * i386-protos.h (ix86_split_long_move): Return void.
5356 * i386.c (ix86_split_to_parts): Handle 64bit target.
5357 (ix86_split_long_move): Likewise.
5358 * i386.md (all calls to ix86_split_long_move): Update.
5360 2001-03-23 Richard Henderson <rth@redhat.com>
5362 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
5363 to avoid shadowing arguments.
5365 2001-03-23 Jakub Jelinek <jakub@redhat.com>
5367 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
5368 to variable names where DECL_NAME is different from
5369 DECL_ASSEMBLER_NAME.
5371 2001-03-23 Jim Wilson <wilson@redhat.com>
5373 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
5374 (assemble_alias): Call make_decl_rtl.
5376 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
5378 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
5380 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
5382 * extend.texi: Document the "java_interface" attribute.
5384 2001-03-22 Zack Weinberg <zackw@stanford.edu>
5386 * mkconfig.sh: Use a subshell with redirected stdout,
5387 instead of closing stdout and confusing commands that run
5388 afterward. Throw away output of cmp.
5390 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
5392 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
5394 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
5396 * i386.md (zero_extendsidi2_32): Break out from ...
5397 (zero_extendsidi2): ... here ; turn to expander.
5398 (zero_extendsidi2_rex64): New.
5399 (extendsidi2_32): Break out from ...
5400 (extendsidi2): ... here ; turn to expander.
5401 (extendsidi2_rex64): New.
5402 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
5403 (trunc?f?f splitters): Add 64bit versions.
5405 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
5407 * i386.md (pushsi, pushsi2_prologue): Disable.
5408 (pushsi2_rex64): New.
5409 (movabs?i_1_rex64, movabs?i_2_rex64): New.
5410 (movqi_ext_1): Disable for 64bit.
5411 (movqi_ext_1_rex64): New.
5412 (pushdi2_rex64): New pattern, peep2s and splitter.
5413 (pushdi2_prologue_rex64): New pattern.
5414 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
5416 (movdi splitters): Disable for 64bit.
5417 (movdi_1_rex64): New pattern, peep2s and splitters.
5418 (swapdi): New pattern.
5419 (pushsf): Disable for 64bit.
5420 (pushsf_rex64): New pattern and splitter.
5421 (pushdf_nointeger): Disable for 64bit.
5422 (pushdf_integer): Handle the 64bit case.
5423 (pushtf): Likewise; update splitters.
5425 2001-03-22 Richard Henderson <rth@redhat.com>
5427 * mkconfig.sh: Include insn-flags.h.
5428 * Makefile.in (CONFIG_H): Include insn-flags.h.
5429 (lots of objects): Remove insn-codes.h and insn-flags.h.
5431 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
5432 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
5433 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
5434 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
5435 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
5436 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
5437 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
5438 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
5439 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
5440 v850/v850.c, vax/vax.c:
5441 Don't include insn-flags.h.
5443 * diagnostic.c, expr.h, reload.c, toplev.c:
5444 Don't include insn-codes.h.
5446 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
5447 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
5448 c4x/c4x.c, i960/i960.c, mips/mips.c:
5449 Don't include insn-codes.h or insn-flags.h.
5451 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
5452 or insn-flags.h in the generated code.
5453 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
5454 (main): Forward declare struct rtx_def.
5456 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
5458 * invoke.texi (-ffast-math): Remove duplicate line about
5461 * gcc.texi: Remove more obsolete documentation of bugs and
5462 installation problems.
5464 2001-03-21 Kazu Hirata <kazu@hxi.com>
5466 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
5469 2001-03-20 Jason Merrill <jason@redhat.com>
5471 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
5473 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
5474 * varasm.c (CHKR_PREFIX): Likewise.
5476 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5478 * gcse.c (hash_scan_set): An expression is not anticipatible if it
5479 is part of a multi-SET insn.
5481 * cse.c (find_comparison_args): Remove previous change.
5482 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
5485 * config/i386/i386.md (conditional_trap): Remove warning.
5487 * recog.c (push_operand): Fix error in last change that caused
5488 undefined symbol on many targets.
5490 * sdbout.c: #include ggc.h.
5491 (sdbout_init): Move to end of file.
5492 Call ggc_add_tree_root for anonymous_types.
5493 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
5494 (sdbout_one_type): Use DECL_NAME for field name.
5495 * Makefile.in (sdbout.o): Show includes ggc.h.
5497 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
5499 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
5500 (override_options): Use properlimits for preferred_stack_boundary.
5501 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
5503 (ext_register_operand): Accept DImode.
5504 (load_pic_register): Abort on 64bit.
5505 (gen_push): Use Pmode instead of SImode.
5506 (ix86_save_reg): Pic reg is never used on 64bit.
5507 (ix86_expand_prologue): Likewise.
5508 (ix86_emit_save_regs): Use Pmode instead of SImode.
5509 (legitimate_address_p): Check displacement for 64bit.
5510 (print_operand): Avoid outputting of (%rip) on 64bit.
5511 (print_operand_address): Output (%rip) where possible.
5512 (split_di): Abort on 64bit registers.
5513 (ix86_expand_branch): DImode comparison is simple for x86_64.
5514 (memory_address_length): Recognize memory addresses formed using
5516 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
5518 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
5520 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
5522 * recog.c (push_operand): Recognize new format of push instructions.
5524 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
5526 * i386.md (pushqi1): New.
5527 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
5528 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5529 x86_64_immediate_operand, x86_64_immediate_operand,
5530 x86_64_zext_immediate_operand): Declare.
5531 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
5532 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5533 x86_64_immediate_operand, x86_64_immediate_operand,
5534 x86_64_zext_immediate_operand): define.
5535 * i386.h (PREDICATE_CODES): Add new predicates.
5537 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
5539 * i386.md (pophi1, popqi1, pushqi1): Remove.
5541 * expr.c (emit_single_push_insn): New function.
5542 (move_by_pieces): Accept NULL as destination for push instructions.
5543 (gen_push_operand): Kill.
5544 (emit_push_insn): Pass NULL when pushing; avoid updating of
5545 stack_pointer_delta.
5546 * expr.h (gen_push_operand): Kill.
5548 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5550 * rtl.texi (COMPARE): Clarify documentation and reference section
5553 2001-03-20 Stan Shebs <shebs@apple.com>
5555 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
5556 (get_object_reference): Ditto.
5557 (error_with_ivar): Use error_with_file_and_line.
5558 (warn_with_method): Use warning_with_file_and_line.
5560 2001-03-20 Tom Tromey <tromey@redhat.com>
5562 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
5564 2001-03-20 Mark Mitchell <mark@codesourcery.com>
5566 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
5567 variables that are TREE_PUBLIC, even if not TREE_STATIC.
5569 2001-03-20 DJ Delorie <dj@redhat.com>
5571 * Makefile.in (install-libgcc): Pass complete list of variables.
5572 (install-multilib): Ditto.
5574 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5576 * config/i386/cygwin.h: Declare ctor_section, dtor_section
5577 drectve_section, switch_to_section.
5579 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
5580 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
5581 i386_pe_mark_dllimport.
5583 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5585 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
5586 functions i386_pe_*.
5588 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
5589 i386_pe_* functions with char * arguments.
5591 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
5593 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
5595 (movsi_ie): Introduce fpul store.
5597 2001-03-20 Alan Modra <alan@linuxcare.com.au>
5599 * Makefile.in (OBJS): Remove hashtab.o.
5601 2001-03-19 Stan Shebs <shebs@apple.com>
5603 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
5604 * c-lang.c (maybe_objc_method_name): Ditto.
5605 * c-tree.h (maybe_objc_method_name): Remove decl.
5607 2001-03-19 Tom Tromey <tromey@redhat.com>
5609 * gcc.c (init_gcc_specs): Fix comment.
5611 2001-03-19 Mark Mitchell <mark@codesourcery.com>
5613 Compute DECL_ASSEMBLER_NAME lazily.
5614 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
5615 (DECL_ASSEMBLER_NAME_SET_P): New macro.
5616 (SET_DECL_ASSEMBLER_NAME): Likewise.
5617 (COPY_DECL_ASSEMBLER_NAME): Likewise.
5618 (set_decl_assembler_name): Declare.
5619 (lang_set_decl_assembler_name): Likewise.
5620 * tree.c (lang_set_decl_assembler_name): New variab.e
5621 (set_decl_assembler_name): New function.
5622 (init_obstacks): Set lang_set_decl_assembler_name.
5623 (build_decl): Don't set DECL_ASSEMBLER_NAME.
5624 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
5625 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
5626 where it's not necessary.
5627 (builtin_function): Likewise.
5628 (finish_decl): Likewise.
5629 * dbxout.c (dbxout_type_methods): Likewise.
5630 * ggc-common.c (ggc_mark_trees): Likewise.
5631 * profile.c (output_func_start_profiler): Likewise.
5632 * varasm.c (make_decl_rtl): Likewise.
5634 * cse.c (find_comparison_args): Update documentation. Fix
5635 mishandling of COMPARE operations.
5637 * tree.def (ABS_EXPR): Add documentation.
5638 * fold-const.c (fold): Improve folding of ABS_EXPRs.
5640 2001-03-19 Zack Weinberg <zackw@stanford.edu>
5642 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
5644 2001-03-19 Jakub Jelinek <jakub@redhat.com>
5646 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
5647 Remove ia32 linux PIC kludge and move it...
5648 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
5650 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
5652 * i386.md (absdf2 expander): Fix 64bit case.
5654 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
5656 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
5658 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
5660 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
5662 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5664 * README.X11: Remove obsolete file.
5666 2001-03-18 Anthony Green <green@redhat.com>
5668 * config/pj/pj.h: Remove some trailing commas.
5669 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
5671 2001-03-18 Richard Henderson <rth@redhat.com>
5673 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
5674 * calls.c: ... here.
5675 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
5676 defaults for them here.
5678 2001-03-17 Anthony Green <green@redhat.com>
5680 * config/pj/lib1funcs.S: Fix broken comment.
5681 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
5684 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
5686 * gcc.texi: Remove obsolete information relating to build and
5687 installation problems with enquire or the Pyramid C compiler.
5689 2001-03-17 Richard Henderson <rth@redhat.com>
5691 * dwarf2out.c (queue_reg_save): New.
5692 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
5693 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
5695 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
5696 (cfa, cfa_store, cfa_temp): Make static.
5697 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
5699 2001-03-17 Richard Henderson <rth@redhat.com>
5701 * integrate.h (struct inline_remap): Add local_return_label.
5702 * integrate.c (expand_inline_function): Initialize it and emit
5703 it after copy_insn_notes.
5704 (copy_insn_list): Don't store local_return_label here.
5705 (copy_insn_notes): New function split out from copy_insn_list.
5707 2001-03-17 Richard Henderson <rth@redhat.com>
5709 * dwarf2out.c (lookup_filename): Emit .file if the assembler
5710 is generating .debug_line.
5711 (dwarf2out_init): Add main_input_filename to the file table first.
5712 * configure.in (as_dwarf2_debug_line): Test with file number 1
5713 instead of file number 0.
5715 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5717 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
5718 (gen_rtx_combine): Deleted; all references changed as appropriate.
5719 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
5721 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
5723 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
5725 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
5728 2001-03-16 Jim Wilson <wilson@redhat.com>
5730 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
5731 then set it to LOC_REG (79) instead of aborting.
5733 2001-03-16 Phil Edwards <pme@sources.redhat.com>
5735 * gccbug.in: Remove high priority.
5737 2001-03-16 Richard Henerson <rth@redhat.com>
5739 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
5740 output with a space instead of deleting it.
5741 * configure: Regenerate.
5743 2001-03-16 Zack Weinberg <zackw@stanford.edu>
5745 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
5746 handles the gory details of converting an object file into
5747 something that's safe to grep.
5748 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5749 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
5750 newlines at either end of the string we're looking for.
5751 Make 'checking ...' message less stilted.
5752 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
5753 ARM in-memory layout and its hypothetical converse. Don't
5754 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
5755 HOST_WORDS_BIG_ENDIAN.
5757 * configure.in: Adjust for renamed macro. Move
5758 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
5759 * configure, config.in: Regenerate.
5761 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5763 * fixinc/Makefile.in: Set SHELL.
5765 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5767 * fixinc/fixincl.c (fix_with_system): Quote file names before
5768 passing them to shell.
5770 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5772 * Makefile.in: Use fix-header$(build_exeext) instead
5775 2001-03-16 Richard Henderson <rth@redhat.com>
5777 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
5778 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5779 (size_of_line_prolog): Remove.
5780 (output_line_info): Compute prologue size via label difference.
5781 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
5783 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
5784 assembler error when redefining file numbers.
5785 * config.in, configure: Rebuild.
5787 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
5788 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
5789 (dw2_asm_output_delta_uleb128): Likewise.
5790 (dw2_asm_output_delta_sleb128): Similarly.
5791 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
5793 2001-03-16 Michael Meissner <meissner@redhat.com>
5795 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
5797 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
5799 (BITMASK_LOWER16): Replacement for 0x0000ffff.
5801 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
5802 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
5803 being unsigned in ISO C and signed in traditional.
5804 (expand_prologue): Ditto.
5805 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
5807 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
5809 (divsi3,divdi3): Ditto.
5810 (modsi3,moddi3): Ditto.
5811 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
5812 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
5813 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
5816 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
5818 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
5819 SSE based conditional moves on LTGT/UNEQ conditions;
5820 Canonicalize EQ to NE.
5821 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
5822 (sse_mov?fcc_ne): New.
5824 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
5826 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5828 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
5829 register may be dead.
5831 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
5833 * Makefile.in (hash.o): Depend on CONFIG_H.
5835 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5837 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
5839 2001-03-15 Richard Henderson <rth@redhat.com>
5841 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
5842 (ASM_OUTPUT_DWARF_PCREL): New.
5843 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
5845 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5847 * cppfiles.c (stack_include_file): Use MAX of sysp.
5849 2001-03-15 Steve Ellcey <sje@cup.hp.com>
5851 * config.gcc (ia64*-*-hpux*): New case.
5852 * config/ia64/hpux.h: New file for HP-UX support.
5853 * config/ia64/t-hpux: New file for HP-UX support.
5855 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
5857 * fixinc/inclhack.def (irix_stdio_va_list): New.
5858 * fixinc/fixincl.x: Rebuilt.
5860 2001-03-15 Richard Henderson <rth@redhat.com>
5862 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
5863 if provided by the target.
5864 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
5865 (dw2_asm_output_addr): New.
5866 * dwarf2asm.h (dw2_asm_output_addr): Declare.
5867 * dwarf2out.c (output_cfi): Use it for program addresses.
5868 (output_call_frame_info, output_die): Likewise.
5869 (output_aranges, output_line_info): Likewise.
5871 2001-03-15 Bruce Korb <bkorb@gnu.org>
5873 * gcc.c(main): make more rigorous
5874 * collect2.c(main): guard against ignoring SIGCHLD
5875 * protoize.c(main): ditto
5876 * gcc/fixinc/fixincl.c(initialize): ditto
5878 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5880 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
5881 (sdbout_parms): Likewise.
5883 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
5885 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
5886 "widen" a destination that is already wider than a word. Also do
5887 not widen if LOAD_EXTEND_OP is NIL for the given mode.
5889 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5891 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
5893 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
5895 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
5897 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
5899 * i960.h (i960_maxbitalignment,
5900 i960_last_maxbitalignment): Declare.
5901 * i960.c (i960_maxbitalignment,
5902 i960_last_maxbitalignment): Make global.
5903 (process_pragma): Delete.
5904 (i960_pr_align, i960_pr_noalign): Move from here ...
5905 * i960-c.c: ... to this new file.
5906 * t-960bare (i960-c.o): New rule.
5907 * t-vxworks960 (i960-c.o): Likewise.
5908 * config.gcc (i960-*-*): Define c_target_objs and
5911 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5913 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
5914 without adding in rtx code and mode.
5916 * alias.c (init_alias_analysis): Don't use any rtx whose value
5917 varies as a known value.
5918 Delete a superfluous test.
5920 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
5922 (ia64_sched_reorder): Call maybe_rotate; also rotate after
5923 scheduling a stop bit.
5924 (ia64_emit_nops): Correctly handle ASMs.
5926 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5928 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
5930 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
5932 * cpp.texi: Update documentation for -include and -imacros.
5933 * cppfiles.c (struct include_file): Remove "defined" memeber.
5934 (find_or_create_entry): Make a copy of the file name, and
5936 (open_file): Update to ensure we use the simplified filename.
5937 (stack_include_file): Don't set search_from.
5938 (cpp_included): Don't simplify the path name here.
5939 (find_include_file): New prototype. Call search_from to
5940 get the start of the "" include chain. Don't simplify the
5942 (_cpp_execute_include): New prototype. Move diagnostics to
5943 do_include_common. Update.
5944 (_cpp_pop_file_buffer): Don't set defined.
5945 (search_from): New prototype. Use the preprocessor's cwd
5946 for files included from the command line.
5947 (read_name_map): Don't simplify the pathname here.
5948 * cpphash.h (enum include_type): New.
5949 (struct buffer): Delete search from. New search_cached.
5950 (_cpp_execute_include): Update prototype.
5951 * cppinit.c (do_includes): Use _cpp_execute_include.
5952 * cpplib.c (do_include_common): New function.
5953 (do_include, do_include_next, do_import): Use it.
5955 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5957 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
5958 contents of the RTL, to determine the name of the object.
5960 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5962 * tree.h (DECL_RTL): Allocate RTL lazily.
5963 (SET_DECL_RTL): New macro.
5964 (DECL_RTL_SET_P): Likewise.
5965 (COPY_DECL_RTL): Likewise.
5966 (DECL_RTL_IF_SET): Likewise.
5967 * varasm.c (make_decl_rtl): Add assertions about the kind of
5968 declaration we are processing.
5969 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
5970 (start_decl): Likewise.
5971 (finish_decl): Likewise.
5972 * c-semantics.c (emit_local_var): Likewise.
5973 * calls.c (expand_call): Likewise.
5974 * dbxout.c (dbxout_symbol): Likewise.
5975 * emit-rtl.c (unshare_all_rtl): Likewise.
5976 (unshare_all_decls): Likewise.
5977 (reset_used_decls): Likewise.
5978 * expr.c (store_constructor): Likewise.
5979 (safe_from_p): Likewise.
5980 (expand_expr): Likewise.
5981 * function.c (put_var_into_stack): Likewise.
5982 (instantiate_decls_1): Likewise.
5983 (assign_parms): Likewise.
5984 (expand_function_start): Likewise.
5985 (expand_function_end): Likewise.
5986 * ggc-common.c (gcc_mark_trees): Likewise.
5987 * integrate.c (function_cannot_inline_p): Likewise.
5988 (copy_decl_for_inlining): Likewise.
5989 (expand_inline_function): Likewise.
5990 (integrate_parm_decls): Likewise.
5991 (integrate_decl_tree): Likewise.
5992 * print-tree.c (print_node): Likewise.
5993 * reg-stack.c (stack_result): Likewise.
5994 * stmt.c (label_rtx): Likewise.
5995 (expand_return): Likewise.
5996 (expand_decl): Likewise.
5997 (expand_decl_cleanup): Likewise.
5998 (expand_anon_union_decl): Likewise.
5999 * toplev.c (check_global_declarations): Likewise.
6000 (rest_of_decl_compilation): Likewise.
6001 * tree.c (simple_cst_equal): Likewise.
6002 * objc/objc-act.c (generate_static_references): Likewise.
6004 2001-03-14 Zack Weinberg <zackw@stanford.edu>
6006 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
6007 gcc_AC_C_FLOAT_FORMAT): New macros.
6008 * configure.in: Add AC_PROG_CPP after CC tests;
6009 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
6010 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
6011 * configure, config.in: Regenerate.
6013 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
6014 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6015 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6016 config/i370/xm-linux.h, config/i370/xm-oe.h,
6017 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6018 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
6019 config/pa/xm-linux.h, config/pa/xm-pa.h,
6020 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
6021 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
6022 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
6023 config/we32k/xm-we32k.h: Delete.
6025 * config/i370/xm-mvs.h, config/m88k/m88k.h,
6026 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6027 config/vax/xm-vms.h: Don't define any of:
6028 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
6030 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
6032 * config.gcc: Remove references to deleted files.
6033 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
6034 FATAL_EXIT_CODE, which is the same between oe and mvs).
6036 2001-03-14 DJ Delorie <dj@redhat.com>
6037 Vladimir Makarov <vmakarov@redhat.com>
6039 * config/i960/i960.c (i960_function_prologue): Compute size of
6040 frame according to number of registers actually saved there.
6042 2001-03-14 Richard Henderson <rth@redhat.com>
6044 * expr.c (emit_move_insn_1): Fix else if around #endif.
6046 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
6049 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
6052 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
6054 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
6055 (override_options): Parse cmodel string.
6056 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
6057 * i386.h (TARGET_OPTIONS): Add "cmodel".
6058 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
6060 (ix86_cmodel_string, ix86_cmodel): Declare.
6062 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
6065 * i386.h (GENERAL_REG_P): Add missing REG_P.
6067 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
6069 * configure.in: Use $gcc_cv_as instead of $as.
6070 * configure: Regenerated.
6072 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
6074 * cppfiles.c (stack_include_file): Only increase the include
6075 count if we actually process the file properly, as opposed
6076 to treating it as length zero. Only call read_include_file
6077 if not DO_NOT_REREAD. Handle the -H include file output
6079 (read_include_file): Remove now redundant DO_NOT_REREAD check.
6080 (cpp_included, find_include_file): Simplify pathnames after
6081 remapping them. If remapping, don't use the remapped file
6082 name's buffer as our scratch buffer.
6083 (cpp_pop_file_buffer): Replace the multiple include macro
6084 only if it isn't yet set.
6085 (read_name_map): Simplify remapped names when reading in.
6086 (remap_filename): Move code to code path that uses it.
6087 (_cpp_simplify_pathname): Return the input pointer.
6088 * cpphash.h (_cpp_simplify_pathname): Update prototype.
6090 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6092 * expr.c (expand_expr): Revove bogus conditional.
6094 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
6096 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
6098 2001-03-14 Jakub Jelinek <jakub@redhat.com>
6100 * reg-stack.c (stack_result): Unconditionally use
6101 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
6103 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
6105 * expr.c (emit_move_insn_1): Split push of complex value when
6106 no suitable push instruction exist.
6108 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
6109 instead of QI_REG_P.
6111 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6113 * alias.c (handled_component_p, can_address_p): New functions.
6114 (get_alias_set): Use them.
6116 2001-03-13 Jim Wilson <wilson@redhat.com>
6118 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
6119 from 80 in try_locals code.
6120 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
6122 2001-03-13 Zack Weinberg <zackw@stanford.edu>
6124 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
6125 gcc_AC_C_LONG_LONG): New.
6126 * configure.in: Use them. Probe the size of short, int, long,
6127 and long long/__int64 if we have them. Move all the AC_C_*
6128 checks together, except gcc_AC_C_CHAR_BIT which has to go
6129 after AC_CHECK_HEADERS(limits.h).
6130 Take hwint.h out of host_xm_file and build_xm_file.
6132 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
6133 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
6134 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
6135 Move the HOST_WIDEST_INT setup logic here from system.h.
6136 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
6138 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
6139 is now handled by hwint.h.
6141 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
6142 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
6143 config/ia64/xm-ia64.h: Don't define any of:
6144 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
6145 HOST_BITS_PER_LONGLONG.
6147 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
6148 config/h8300/xm-h8300.h, config/mips/iris6.h,
6149 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
6150 config/sparc/xm-sp64.h: Delete.
6151 * config.gcc: Remove references to deleted files.
6153 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
6154 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
6155 * config/i370/xm-linux.h: Clarify floating-point situation in
6158 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
6160 * cppfiles.c (NO_INCLUDE_PATH): New macro.
6161 (find_include_file): Decide here which part of the include
6162 chain to start the search. Complain about an empty include
6163 chain in all cases apart from an abolsute file name.
6164 (_cpp_execute_include): Don't choose the search chain here.
6165 Don't call handle_missing_include in the case of an empty
6167 (_cpp_compare_file_date): Don't choose the search chain here.
6168 * cpplib.c (do_include_next): Move the in-main-file diagnostic
6169 here from _cpp_execute_include. Behave like #include if
6170 we're in the main file.
6172 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6174 * system.h (malloc, realloc, calloc, strdup): Only poison these
6175 tokens when IN_GCC is defined.
6177 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
6179 * i386.md (abs?f expander): Support SSE case.
6180 (abd?f_if): Add new "USE"; add splitters.
6182 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6184 * cpp.texi (poison): Explain the macro expansion exception.
6186 2001-03-13 Jakub Jelinek <jakub@redhat.com>
6188 * expr.c (store_expr): Add dont_store_target. If temp is already in
6189 target before copying to reg, don't store it into target again.
6191 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6193 * cppinternals.texi: Update for file handling.
6195 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6197 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
6198 2001-02-24 which broke building the Java library.
6199 * function.c (identify_blocks): Likewise.
6200 (all_blocks): Likewise.
6201 * integrate.c (integrate_decl_tree): Likewise.
6202 * print-tree.c (print_node): Likewise.
6203 * tree.h (BLOCK_NUMBER): Likewise.
6204 (struct tree_block): Likewise.
6206 2001-03-12 David Edelsohn <edelsohn@gnu.org>
6208 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
6209 __WCHAR_TYPE__ definition.
6210 (WCHAR_TYPE_SIZE): #undef before #define.
6212 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6214 * cppfiles.c: Update comments.
6215 (destroy_include_file_node): Rename destroy_node.
6216 (find_or_create_entry): New function.
6217 (open_file, _cpp_fake_include): Use it.
6218 (handle_missing_header): New function, broken out of
6219 _cpp_execute include. Don't segfault if there is no
6220 system or quoted path.
6221 (_cpp_execute_include): Use handle_missing_header.
6223 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6225 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
6226 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
6228 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6230 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
6231 unless anti_dependence says they are.
6232 * alias.c (objects_must_conflict): If neither has a type specified,
6235 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6236 David Billinghurst <David.Billinghurst@riotinto.com>
6238 * config/mips/iris5.h: Change WCHAR_TYPE to int.
6240 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
6242 * i386.md (trunctfdf2_2): Rename missnamed pattern.
6243 (*_one_bit): Remove type on the match_operand in attributes.
6245 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
6247 * i386.c: Commit forgotten hunk in previous patch.
6248 (regclass_map): Add extended registers.
6249 (dbx_register_map): Add missing frame register.
6251 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
6253 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
6255 * i386.md (x86_sahf_1): Disable for 64bit.
6256 (popsi*, pophi*): Likewise.
6257 (pushqi, pushhi): Likewise.
6258 (movdi, pushdi): Likewise.
6259 (zero extend DImode splitter): Likewise.
6260 (adddi, minusdi splitter): Likewise.
6261 (umulsidi): Likewise.
6263 (mulsidi): Disable for 64bit
6264 (lshift:DI/ashift:DI): Disable for 64bit.
6265 (loop patterns): Likewise.
6266 (call_pop, call_value_pop expanders and patterns): Likewise.
6267 (prologue_get_pc): Likewise.
6269 (fcmovDI pattern and splitter): Likewise.
6270 (movdfcc_1_rex64): New.
6272 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
6274 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
6275 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
6276 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
6277 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
6278 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
6279 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
6280 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
6281 (PUSH_ROUNDING): x86_64 rounds to 64bits.
6282 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
6283 (REGPARM_MAX): Set to 6 for x86_64.
6284 (SSE_REGPARM_MAX): Set to 16 for x86_64.
6285 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
6288 * (patterns that does use upper halves): Update constraints
6289 'q' to 'Q' and 'r' to 'R'.
6290 (cmpqi_ext_1): Disable for 64bit.
6291 (cmpqi_ext_3_insn): Likewise.
6292 (movqi_extzv_1): Likewsie.
6293 (addqi_ext_1): Liekwsie
6294 (testqi_ext_1): Liekwsie
6295 (andqi_ext_1): Liekwsie
6296 (xorqi_ext_1): Liekwsie
6297 (cmpqi_ext_1_rex64): New.
6298 (cmpqi_ext_3_insn_rex64): Likewise.
6299 (movqi_extzv_1_rex64): Likewsie.
6300 (addqi_ext_1_rex64): Liekwsie
6301 (testqi_ext_1_rex64): Liekwsie
6302 (andqi_ext_1_rex64): Liekwsie
6303 (xorqi_ext_1_rex64): Liekwsie
6305 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6307 * configure.in: Move check for unsigned enumerated bitfields
6308 to macro in aclocal.m4. Disable it for now.
6309 * configure, config.in: Regenerate.
6310 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
6311 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
6312 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
6313 kind above its first use.
6315 * config/xm-interix.h, config/alpha/xm-alpha.h,
6316 config/i370/xm-linux.h, config/i386/xm-beos.h,
6317 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
6318 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6319 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
6320 Don't define ONLY_INT_FIELDS under any circumstances.
6322 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
6324 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6325 config/sparc/xm-sysv4.h: Delete - now identical with some
6327 * config.gcc (hppa targets): Replace xm-pahpux.h and
6328 xm-papro.h with implicit xm-pa.h.
6329 (sparc targets): Replace xm-sysv4.h with implicit or explicit
6332 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
6334 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
6335 before reload_cse_noop_set_p.
6337 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6339 * config.gcc: Where xm-host.h used to include another
6340 xm-host.h, list the nested header directly in xm_file. Remove
6341 references to deleted files. Can now use sparc/xm-sp64.h for
6344 * config/xm-linux.h, config/arm/xm-linux.h,
6345 config/i386/xm-dos.h, config/i386/xm-gnu.h,
6346 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
6347 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
6348 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
6349 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
6352 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
6353 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
6354 bother to wrap #undef in #ifdef.
6355 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
6356 Don't include xm-linux.h.
6357 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
6359 * configure.in: Wrap regexps using [] in changequote block.
6360 Use expr : not echo | grep. Simplify regexps.
6361 * configure: Regenerate.
6363 56 xm-files remain, 22 xm-arch.
6365 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6367 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
6368 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6369 (local_index, local_rindex): Delete, use strchr/strrchr instead.
6370 (copy_object): Fix format specifier vs argument mismatch.
6372 * mips-tdump.c: Make local functions static.
6373 (rindex): Don't #undef.
6374 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6375 (fatal, fancy_abort): Delete.
6376 (read_seek): Avoid signed/unsigned compare.
6378 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6380 * combine.c (try_combine): Fix error in change to try original
6382 (gen_rtx_combine): Do same as gen_rtx for now.
6384 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6386 * configure.in: AC_SUBST xm_defines.
6387 * configure: Regenerate.
6388 * Makefile.in: Set DEFINES=$(xm_defines) when building
6391 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
6393 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
6394 (cpp_included, find_include_file): Update.
6395 (_cpp_compare_file_date): Make else unconditional.
6397 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
6399 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
6401 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6403 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
6404 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
6406 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
6408 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
6409 if it's a record type.
6411 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
6413 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
6414 mingw includes slightly.
6416 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6418 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
6419 #undef token before poisoning it.
6421 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6423 * alpha.c (check_float_value): Use memcpy, not bcopy.
6425 * m32r.c (m32r_sched_reorder): Likewise.
6427 * vax.c (check_float_value): Likewise.
6429 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6431 * toplev.c (file_name_nondirectory): Remove.
6432 * toplev.h: Similarly.
6433 * dwarf2out.c (compute_section_prefix): Use lbasename instead
6434 of file_name_nondirectory.
6436 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6438 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
6439 * mips-tfile.c: Don't #undef rindex; not used.
6441 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
6443 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
6444 (dbx64_register_map): Declare.
6445 (RETURN_ADDR_RTX): Fix for 64bit.
6446 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
6447 (INCOMING_FRAME_SP_OFFSET): Set to 8.
6448 * i386.c (dbx64_register_map): New global array.
6449 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
6450 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
6453 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6455 * cppfiles.c (search_from): Use lbasename.
6456 * mkdeps.c (deps_add_default_target): Use lbasename.
6458 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6460 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
6461 xcalloc in lieu of malloc, realloc & calloc.
6463 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
6465 * gengenrtl.c (xmalloc): Likewise.
6467 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
6468 really_call_* memory allocation routines.
6470 * stmt.c (check_for_full_enumeration_handling): Use
6471 really_call_calloc, not calloc.
6473 * system.h (really_call_malloc, really_call_calloc,
6474 really_call_realloc): Define.
6475 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
6477 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
6479 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
6481 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
6483 * configure: Rebuilt.
6484 * configure.in: Only use `lang_requires' for languages athat are
6487 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
6489 * invoke.texi: Fix typo.
6490 * gcc.1: Regenerate.
6492 2001-03-09 Zack Weinberg <zackw@stanford.edu>
6494 * configure.in: Prune nonexistent files from build_xm_file,
6495 xm_file, and host_xm_file lists. Warn unless they're
6497 Don't generate *config.h here.
6498 AC_SUBST all variables needed to generate *config.h.
6499 * configure: Regenerate.
6500 * mkconfig.sh: New helper script, from code removed from
6502 * Makefile.in: Zap all MALLOC variables - no longer used
6503 anywhere, and malloc.c doesn't exist.
6504 Substitute in variables needed to generate *config.h.
6505 Stop lying about the dependencies contained in CONFIG_H and
6507 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
6508 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
6509 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
6510 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
6511 $(TM_P_H), etc. as appropriate.
6513 * config.gcc: Zap references to deleted files.
6514 * ggc-none.c: Don't include rtl.h or tm_p.h.
6516 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
6517 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
6518 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
6519 config/i386/xm-linux.h, config/i386/xm-linux.h,
6520 config/i386/xm-next.h, config/i386/xm-openbsd.h,
6521 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
6522 Don't include i386/xm-i386.h.
6524 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
6525 config/i386/xm-i386.h, config/i860/xm-i860.h,
6526 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
6527 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6528 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
6529 Delete (empty except comments, #includes of other deleted
6530 files, and macros used nowhere).
6532 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
6534 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
6535 independent on TARGET_FLAGS.
6537 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
6539 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
6541 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
6543 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
6545 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
6546 LAST_REX_SSE_REG): define.
6547 (enum reg_class): Add 'LEGACY_REGS'
6548 (REG_CLASS_CONTENTS): Likewise; add extended registers.
6549 (SSE_REGNO_P): Recognize extended registers.
6550 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
6551 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
6552 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
6553 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
6554 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
6555 REG_OK_FOR_STRREG_P): Remove.
6556 (HI_REGISTER_NAMES): Add extended registers.
6557 (ADDITIONAL_REGISTER_NAMES): Likewise.
6558 (QI_REGISTER_NAMES): Add 8bit extended registers.
6559 (DEBUG_REG): Support extended registers.
6560 * i386.c (regclass_map): Add extended registers.
6561 (dbx_register-map): Likewise.
6562 (svr4_dbx_register_map): Likewise.
6563 (print_reg): Support extended registers.
6564 (print_operand): Support 64bit operands.
6566 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
6568 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
6569 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6570 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
6571 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
6572 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
6573 STACK_BOUNDARY): Set properly for 64bits.
6574 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
6575 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
6576 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
6577 (MOVE_MAX): Set to 16.
6578 (MOVE_MAX_PIECES): 8 for 64bit.
6579 (Pmode): Set to SImode.
6581 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
6583 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
6585 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
6587 * i386.h (mask_64bit): New constant.
6588 (target_64bit): New macro.
6589 (target_options): Add '64'/'32'
6590 (target_default): Define.
6591 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
6592 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
6593 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
6595 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
6597 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
6599 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
6601 * rtlanal.c (rtx_varies_p): Check operand 0 of a
6602 LO_SUM unless for_alias is set.
6604 2001-03-08 Stan Shebs <shebs@apple.com>
6606 * objc/objc-act.c: Fix old typos in comments, add comments for
6608 (hash_init): Fix file name in error message.
6609 (hash_enter): Ditto.
6610 (hash_add_attr): Ditto.
6611 (continue_class): Ditto.
6613 2001-03-08 Bruce Korb <bkorb@gnu.org>
6615 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
6616 wait4() can receive the signal.
6618 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6620 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
6622 * fixinc/fixincl.x: Regenerate.
6624 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6626 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
6628 * fixinc/fixincl.x: Regenerate.
6630 2001-03-08 Richard Henderson <rth@redhat.com>
6632 * configure.in (HAVE_AS_LEB128): New assembler check.
6633 * configure, config.in: Rebuilt.
6635 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
6637 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
6640 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6642 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
6643 references to the MAXPATHLEN macro.
6645 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
6646 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
6649 * config/i386/xm-gnu.h, config/xm-gnu.h,
6650 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
6651 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
6652 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
6653 and/or unused files.
6655 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
6656 doing so in various xm-*.h files.
6658 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6660 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
6662 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
6664 * configure.in (enable_shared): Support per-package shared-library
6666 * configure: Rebuilt.
6668 2001-03-07 David Edelsohn <edelsohn@gnu.org>
6670 * rs6000.md (cr logic): Add original POWER mnemonic alternative
6671 for crnot. Set operands[5] in splitter.
6673 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6675 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
6676 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
6677 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
6678 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
6679 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
6680 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
6681 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
6684 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
6685 config/i370/xm-i370.h, config/i386/xm-dgux.h,
6686 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6687 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6688 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
6689 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
6690 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
6691 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
6692 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
6693 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
6694 Delete unused and/or empty files.
6696 * config.gcc: Define USG in xm_defines as appropriate. Define
6697 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
6698 macro. Remove deleted xm-* files from $xm_files variable.
6700 2001-03-07 Tom Tromey <tromey@redhat.com>
6702 * configure: Rebuilt.
6703 * configure.in: Allow config-lang.in to set `lang_requires' to list
6704 of other required languages.
6706 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
6708 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
6710 (output_prologue): Use xmalloc not oballoc.
6711 (output_epilog): Free a29k_first_epilogue_insn when finished.
6712 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
6714 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
6716 * builtins.c (expand_builtin_mathfn): Check
6717 flag_unsafe_math_optimizations, not flag_fast_math.
6718 (expand_builtin): Likewise
6719 * combine.c (combine_simplify_rtx): Likewise.
6720 (simplify_if_then_else): Likewise.
6721 * cse.c (fold_rtx): Likewise.
6722 * flags.h: Remove flag_fast_math. Add
6723 flag_unsafe_math_optimizations and flag_trapping_math.
6724 * fold-const.c (negate_expr): Check
6725 flag_unsafe_math_optimizations, not flag_fast_math.
6726 (invert_truthvalue): Likewise.
6727 (fold): Likewise. Before associating operands, check that
6728 code == MULT_EXPR, not code != MULT_EXPR.
6729 * ifcvt.c (noce_try_minmax): Check
6730 flag_unsafe_math_optimizations, not flag_fast_math.
6731 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
6732 * invoke.texi: Document -funsafe-math-optimizations and
6733 -fno-trapping-math. Change documentation for -ffast-math.
6734 * jump.c (reversed_comparison_code_parts): Likewise.
6735 (rtx_equal_for_thread_p): Likewise.
6736 * optabs.c (emit_conditional_move): Likewise.
6737 * simplify-rtx.c (simplify_binary_operation): Likewise.
6738 (simplify_relational_operation): Likewise.
6739 (simplify_ternary_operation): Likewise.
6740 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
6741 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
6742 Add trapping-math and unsafe-math-optimizations entries to f_options.
6743 (set_fast_math_flags): New, sets flags for -ffast-math.
6744 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
6745 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
6746 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
6748 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6749 (alpha_emit_conditional_move): Initialize local_fast_math to
6750 flag_unsafe_math_optimizations, not flat_fast_math.
6751 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
6752 instead of setting flag_fast_math to 1.
6753 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
6755 * config/i386/i386.c (override_options): Likewise
6756 * config/i386/i386.md: Likewise.
6757 * config/m68k/m68k.md: Likewise.
6758 * config/mips/mips.md: Likewise.
6759 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
6760 (rs6000_generate_compare): Likewise.
6762 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6764 * Makefile.in: Set RANLIB to @RANLIB@.
6767 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6769 * fixinc/inclhack.def (djgpp_wchar_h): New test.
6770 * fixinc/fixincl.x: Regenerated.
6772 2001-03-07 Richard Henderson <rth@redhat.com>
6774 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
6776 2001-03-07 Richard Henderson <rth@redhat.com>
6778 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
6779 of block notes and exception handling notes.
6781 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
6782 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
6783 (compile_file): ... here.
6785 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6787 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
6789 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
6790 config.h now. Include libiberty.h to handle alloca.
6792 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6794 * c-parse.in (yylexname): New function, split out of _yylex.
6795 (objc_rid_sans_at): New table.
6796 (init_reswords): Initialize it.
6797 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
6798 retrieving the next token and checking it for significance as
6799 an ObjC keyword or string constant.
6801 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
6802 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
6804 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
6807 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
6809 * config/m68k/m68k.c (const_uint32_operand): Accept any
6810 const_int on a 32-bit host.
6812 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
6814 * objc/objc-act.c (init_objc): Set save_lang_status,
6815 restore_lang_status, and mark_lang_status.
6817 2001-03-06 Krister Walfridsson <cato@df.lth.se>
6819 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
6821 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
6823 * cppinternals.texi: Update.
6825 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6827 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6828 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
6829 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
6830 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6831 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
6832 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6833 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
6834 config/i386/xm-i386.h, config/i860/xm-i860.h,
6835 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6836 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
6837 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6838 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6839 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6840 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6841 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
6842 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6843 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
6844 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6845 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6846 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
6847 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
6848 match the defaults provided in hwint.h.
6850 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6851 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
6853 * config.gcc (xm_file): Don't set to files which are deleted.
6855 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
6856 guard this file against these macros being undefined.
6858 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6860 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
6861 and DECL_DEFER_OUTPUT on the decl we create, before calling
6862 rest_of_decl_compilation.
6864 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6866 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
6868 * configure, config.in: Regenerate.
6869 * config.gcc: Remove references to deleted files.
6871 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
6872 genrecog.c, rtl.c: Do not use alloca anywhere.
6874 * Makefile.in, build-make, system.h, config/x-interix,
6875 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
6876 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
6877 config/arc/xm-arc.h, config/arm/xm-arm.h,
6878 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6879 config/h8300/xm-h8300.h, config/i370/x-oe,
6880 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
6881 config/i386/x-ncr3000, config/i386/x-sco5,
6882 config/i386/xm-dgux.h, config/i860/x-sysv4,
6883 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
6884 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
6885 config/m68k/x-hp320g, config/m69k/x-mot3300,
6886 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
6887 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
6888 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
6889 config/m88k/x-sysv4, config/m88k/x-tekXD88,
6890 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6891 config/mips/x-iris, config/mips/x-iris3,
6892 config/mips/x-sni-svr4, config/mips/x-sysv,
6893 config/mips/xm-iris6.h, config/mips/xm-mips.h,
6894 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
6895 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
6896 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6897 config/pa/xm-papro.h, config/romp/xm-romp.h,
6898 config/rs6000/x-aix31, config/rs6000/x-aix41,
6899 config/rs6000/x-beos, config/rs6000/x-lynx,
6900 config/rs6000/x-mach, config/rs6000/x-rs6000,
6901 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
6902 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6903 config/sparc/x-sysv4, config/sparc/xm-linux.h,
6904 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
6905 config/vax/xm-vms.h: Eradicate all references to alloca and
6908 * config/xm-alloca.h, config/clipper/x-clix,
6909 config/i386/xm-sysv4.h, config/i860/x-fx2800,
6910 config/i860/x-sysv3, config/m88k/x-sysv3,
6911 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
6912 (contained only alloca related hacks).
6914 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
6917 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
6919 * invoke.texi: Document __FAST_MATH__.
6921 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6923 * crtstuff.c: Restore include of auto-host.h.
6925 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
6927 Put main() in a separate file, so that the language
6928 front-end can use a different main().
6931 * toplev.c: (main): Rename as toplev_main.
6932 * toplev.h: Declare toplev_main.
6933 * Makefile.in (OBJS): add toplev.o.
6934 (BACKEND): remove toplev.o, add main.o.
6936 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6938 * cppfiles.c (search_from): Special case the empty string.
6940 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6942 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
6943 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
6944 strlen or strcpy; we already know the length.
6945 (_cpp_compare_file_date): Similarly.
6946 * cpphash.h (struct cpp_reader): Delete done_initialising.
6947 (CPP_PREV_BUFFER): Delete.
6948 * cppinit.c (cpp_start_read): Don't set done_initialising.
6949 * cpplex.c (parse_string): Guarantee null-termination.
6950 (_cpp_equiv_toklists): Remove.
6951 * cpplib.c (glue_header_name): Null-terminate.
6952 (do_line): Don't leak memory.
6953 * cpplib.h (BT_WEAK): Delete.
6954 * cppmain.c (cb_ident): Strings are now null-terminated.
6956 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
6958 * gcc.c (convert_filename): Append executable suffix
6959 if NO_AUTO_EXE_SUFFIX is not defined.
6960 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
6961 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
6963 2001-03-03 David O'Brien <obrien@FreeBSD.org>
6965 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6966 * c-parse.gperf, c-gperf.h: Delete.
6967 (c-gperf.h was accidently re-added to the CVS repo in the rev
6968 1.16 commit by tromey)
6970 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6972 * cpplex.c (_cpp_lex_token): Don't warn about directives in
6973 macro arguments when looking for the '('.
6974 * cppmacro.c (funlike_invocation_p): Set parsing_args to
6975 2 when really parsing arguments; 1 when looking for '('.
6976 Always restore the lexer position.
6978 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6980 * longlong.h (umul_ppmm): Don't use a multiline string.
6982 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6984 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
6985 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
6986 t_bool in declaration because pcc can't combine volatile with typedef
6989 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
6991 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
6992 until when it is really needed.
6993 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
6994 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
6995 * i386.md (float?i?f splitter): Don't force source operand to memory
6997 (sse_movdfcc): Fix constraint.
6998 (sse_movdfcc splitter): Handle properly the second alternative.
7000 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7002 * cpplex.c (parse_string): Unconditionally pedwarn.
7004 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7007 * cppexp.c (parse_number): Update.
7008 * cpplex.c (parse_string): Pedwarn if multiline string does not
7009 result from a system header's macro.
7010 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
7011 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
7012 for function-like macros too.
7013 * c-lex.c (lex_number): Update.
7015 2001-03-03 Richard Henderson <rth@redhat.com>
7017 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
7019 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
7021 * combine.c (try_combine): If split with mode-changed scratch
7022 register didn't work, try the original mode.
7024 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
7026 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
7027 * config/c4x/c4x.h: Likewise.
7028 * stor-layout.c (compute_record_mode): Likewise.
7029 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
7031 2001-03-02 Zack Weinberg <zackw@stanford.edu>
7033 * configure.in: Kill tm.h. Include the files in the $tm_file
7034 list in all three of config.h, hconfig.h, tconfig.h, after the
7035 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
7036 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
7037 * configure: Regenerate.
7038 * Makefile.in (clean): Don't delete tm.h.
7040 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
7041 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
7042 those are not defined, set SEC and FEC to 0 and 1.
7043 * gcc.texi: Update to match.
7045 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
7046 * config/fp-bit.c, config/m68k/aux-crt2.asm,
7047 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
7048 Include tconfig.h, not tm.h.
7050 * config/xm-lynx.h, config/xm-std32.h,
7051 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7052 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
7053 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
7054 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7055 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7056 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7057 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
7058 config/i386/xm-i386.h, config/i860/xm-i860.h,
7059 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7060 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
7061 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7062 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7063 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7064 config/pa/xm-linux.h, config/pa/xm-pa.h,
7065 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7066 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
7067 config/pj/xm-pj.h, config/romp/xm-romp.h,
7068 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7069 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7070 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7071 config/v850/xm-v850.h, config/vax/xm-vax.h,
7072 config/we32k/xm-we32k.h:
7074 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
7076 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
7077 config/i370/xm-oe.h: Don't include tm.h. Don't define
7079 * config/vax/xm-vms.h: Don't include tm.h.
7081 * config/xm-lynx.h, config/avr/xm-avr.h,
7082 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
7083 Delete; made empty by above changes.
7084 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7085 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
7086 Don't include config/xm-lynx.h or tm.h.
7088 * config/xm-gnu.h: Don't include fcntl.h.
7089 * config/sparc/xm-lynx.h: Don't include sys/types.h and
7091 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
7093 2001-03-02 Richard Henderson <rth@redhat.com>
7095 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
7096 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
7098 2001-03-02 Richard Henderson <rth@redhat.com>
7100 * Makefile.in (OBJS): Add dwarf2asm.o.
7101 * dwarf2asm.c, dwarf2asm.h: New files.
7102 * dwarf2out.c (*): Use them.
7103 (size_of_uleb128, size_of_sleb128): Remove.
7104 (output_uleb128, output_sleb128): Remove.
7105 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
7106 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
7107 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
7108 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
7109 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
7110 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
7111 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
7112 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
7113 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
7114 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7115 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
7116 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
7117 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
7118 (dwarf2out_frame_debug): Remove unused variables.
7119 (output_loc_operands): Don't abort on 8 byte constants if
7120 host integers are wide enough.
7121 (output_symbolic_ref): Remove.
7122 (size_of_die): Don't assume 4 byte host integers.
7123 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
7125 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
7126 something stupid with HOST_WIDE_INT to long truncation.
7127 [CONST_DOUBLE]: Likewise.
7129 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
7130 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7131 * config/arm/unknown-elf.h: Likewise.
7132 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
7133 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
7134 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
7135 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
7136 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
7137 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
7138 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
7139 (ASM_OUTPUT_DWARF_OFFSET): Remove.
7140 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
7141 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
7142 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
7143 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
7145 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7147 * cselib.c (hash_rtx): Cast enums to unsigned int.
7149 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7151 * print-rtl.c (print_rtx): Cast enums to int for comparison.
7152 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
7154 * c-format.c (C_STD_VER): Cast to int for comparisons.
7155 (check_function_format): Cast various enums to int for &.
7156 (maybe_read_dollar_number): Likewise.
7157 (check_format_info): Likewise.
7158 (check_format_info_main): Likewise.
7159 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
7160 (safe_from_p): Likewise.
7161 * varasm.c (const_hash): Cast enum to int for %.
7162 * emit-rtl.c (init_emit_once): Use int loop variable to work around
7163 pcc enum problems with < and ++ operators.
7164 * regclass.c (init_reg_sets_1): Cast enums for comparison.
7165 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
7166 (regclass_init): Change enum class to int to iterate over reg_classes.
7167 * genrecog.c (merge_trees): Cast enums for comparison.
7168 * rtl.h (GET_CODE): Cast to enum rtx_code.
7169 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
7170 (GET_MODE): Cast to enum machine_mode.
7171 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
7172 (GET_NOTE_INSN_NAME): Cast enum to int.
7173 * tree.h (TREE_CODE): Cast to enum tree_code.
7174 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
7175 * timevar.c (timevar_print): Change loop variable id from enum to
7177 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
7178 * config/i386/i386.md: Use PUT_MODE for mode assignment.
7179 * toplev.c (compile_file): Cast enum DFI to int.
7180 (decode_d_option): Likewise.
7182 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
7184 * cppinit.c (append_include_chain): Mark "after" include file name list
7185 as a system directory.
7186 * cpp.texi: Document new behavior.
7188 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
7190 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
7192 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
7194 * cppfiles.c (struct include_file): Update.
7195 (stack_include_file): Use search_from.
7196 (cpp_included, find_include_file): Update.
7197 (cpp_execute_include): Update. ptr->name may not be
7198 null terminated. Use the new search_from member variable
7200 (_cpp_compare_file_date): Similarly.
7201 (search_from): New function, similiar to actual_directory.
7202 (actual_directory): Delete.
7203 (remap_filename): Update. loc->name may not be null terminated.
7204 (struct file_name_list): Rename search_path. Update.
7205 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
7206 search_from and dir.
7207 (struct cpp_reader): Remove actual_dirs.
7208 * cppinit.c (struct cpp_pending): Update for renamed objects.
7209 (append_include_chain, remove_dup_dir, remove_dup_dirs,
7210 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
7211 * cpplib.h (struct cpp_options): Similarly.
7213 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7215 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
7216 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
7217 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7218 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7219 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7220 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7221 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7222 config/i370/xm-linux.h, config/i370/xm-mvs.h,
7223 config/i370/xm-oe.h, config/i386/xm-aix.h,
7224 config/i386/xm-i386.h, config/i386/xm-osf.h,
7225 config/i860/xm-i860.h, config/i960/xm-i960.h,
7226 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7227 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
7228 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
7229 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
7230 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
7231 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7232 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7233 config/pj/xm-pj.h, config/romp/xm-romp.h,
7234 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7235 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7236 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7237 config/v850/xm-v850.h, config/vax/xm-vax.h,
7238 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
7239 Do not define TRUE or FALSE.
7241 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
7242 empty by above change.
7243 * config.gcc: Remove references to these files.
7245 * configure.in: Detect stdbool.h.
7246 * configure, config.in: Regenerate.
7247 * system.h: Include stddef.h here if available.
7248 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
7249 Then set up a sensible boolean type at the very end.
7251 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
7252 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
7254 * hash.h: Delete 'boolean' typedef and related #undefs.
7256 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
7257 all uses of 'boolean' with 'bool'.
7259 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7261 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
7262 * cppexp.c (lex): Cast enums for comparison.
7263 * cppinit.c (parse_option): Cast enum for comparison.
7264 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
7265 (cpp_output_token): Likewise.
7266 (cpp_can_paste): Cast enums for comparsion and plus/minus.
7267 (cpp_avoid_paste): Cast enums for minus and comparison.
7269 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7271 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
7272 field to all array elements.
7274 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7276 * cpphash.h (struct cpp_reader): Add print_version field.
7277 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
7278 just set print_version and other flags as appropriate.
7279 (cpp_post_options): Print version here if print_version is set.
7281 * toplev.c (exit_after_options): New flag.
7282 (independent_decode_option): Don't exit here; just set
7284 (main): Exit after calling lang_hooks.post_options if
7285 exit_after_options is true.
7287 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
7288 (merge_include_chains): Adjust comment to match code.
7290 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7292 * stringpool.c (set_identifier): New function.
7293 * tree.h: Prototype it.
7295 * c-parse.in: Kill D_YES. If compiled for objc, call
7296 save_and_forget_protocol_qualifiers from init_reswords.
7297 * objc/objc-act.c (remember_protocol_qualifiers,
7298 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
7299 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
7301 (save_and_forget_protocol_qualifiers): New function.
7302 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
7304 2001-03-01 Diego Novillo <dnovillo@redhat.com>
7306 * c-semantics.c (prune_unused_decls): Return error_mark_node
7307 instead of (tree) 1 to stop traversing the tree chain.
7309 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7311 Fix a problem introduced by Kenner's Feb 18 change.
7312 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
7313 flag_cse_skip_blocks only temporarily, not for ever.
7315 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
7317 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
7318 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
7320 * pa.c (emit_move_sequence): Verify operand0 is a hard register
7321 before determining its register class.
7323 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7325 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
7326 from reg 4 if current_function_calls_setjmp.
7327 (gen_nop_type): New function.
7328 (ia64_emit_nops): New function.
7329 (ia64_reorg): Call it.
7330 (ia64_sched_reorder): Move code that rotates bundles up a bit.
7332 * reload1.c (eliminate_regs_in_insn): Restrict the special case
7333 code not to try to optimize adds with anything but a REG destination.
7335 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
7336 (INSN_PRIORITY_KNOWN): New accessor macro.
7337 * haifa-sched.c (priority): Use it instead of testing priority against
7340 2001-02-28 DJ Delorie <dj@redhat.com>
7342 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
7343 since that doesn't work the way gcc wants on a generic m68k.
7345 2001-02-28 Richard Henderson <rth@redhat.com>
7347 * caller-save.c (save_call_clobbered_regs): Fix typo in
7348 comparison last change.
7350 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
7352 * i386.c (pentium4_cost): New.
7353 (m_PENT4): New macro.
7354 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
7355 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
7356 x86_integer_DFmode_moves, x86_partial_reg_dependency,
7357 x86_memory_mismatch_stall): Add Pentium4
7358 (x86_use_q_reg, x86_use_any_reg): Kill.
7359 (override_options): Add pentium4.
7360 (incdec_operand): Return 0 for pentium4.
7361 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
7362 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
7363 (TARGET_PENTIUM4): Define.
7364 (enum processor_type): Add PROCESSOR_PENTIUM4.
7365 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
7366 * i386.md (attribute "cpu"): Add pentium4.
7367 * invoke.texi (march): Add pentium4.
7369 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
7371 * i386.md (sse_mov?fcc*): New patterns and splitters.
7372 * i386.c (ix86_expand_movcc): Work post-reload; recognize
7373 the SSE based conditional moves.
7375 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
7377 * i386.md (attribute mode): Add "TI".
7378 (movsf_1): Add pxor support; remove constant propagation splitter.
7379 (movdf_integer): Likewise.
7380 (movdf_nointeger): Likewise.
7381 (movxf constant prop splitter): Handle all modes; update for SSE.
7382 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
7383 * i386.c (standard_80387_constant_p): Rewrite.
7384 (standard_sse_constant_p): New.
7385 * i386-protos.h (standard_sse_constant_p): New.
7387 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
7389 * i386.md (sse_setccsf, sse_setccdf): New.
7390 (sse_cmp* patterns): Use '%D' instead of outputtting condition
7392 * i386.c (sse_comparison_operator): Accept the supported unordered
7393 comparses; be ready for fast_math.
7394 (print_operand): Support 'D'.
7396 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
7398 * jump.c (reversed_comparison_code): Kill.
7400 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
7402 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
7405 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
7407 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
7408 add missing '%' in constraints.
7410 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
7412 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
7413 for HOST_BITS_PER_WIDE_INT == 32 too.
7415 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
7417 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
7419 (insert_save, insert_restore): New parameter save_mode.
7420 (init_caller_save): Update initialization of reg_save_code
7421 and reg_restore_code.
7422 (save_call_clobbered_regs): Compute save_modes and update calls to
7423 reg_save_code and reg_restore_code.
7424 (insert_restore): Unsignetize numbers; use save_modes to choose mode
7425 of spill; update use of reg_restore_code.
7426 (insert_save): Likewise.
7427 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7428 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7429 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
7431 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7433 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
7434 noce_try_store_flag_inc, noce_try_store_flag_mask,
7435 noce_try_cmove_arith):
7436 Use reversed_comparison_code instead of reverse_comparison and
7437 can_reverse_comparison_p.
7439 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
7441 * jump.c (reversed_comparison_code_parts): Allow reversal of
7442 unordered compares in -ffast-math mode; reverse ordered compares
7443 for FP even w/o -ffast-math.
7445 2001-02-27 Richard Henderson <rth@redhat.com>
7447 * print-rtl.c (print_rtx) [i]: Don't print field five on
7448 NOTEs other than NOTE_INSN_DELETED_LABEL.
7450 2001-02-27 Zack Weinberg <zackw@stanford.edu>
7452 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
7453 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
7455 2001-02-27 Diego Novillo <dnovillo@redhat.com>
7457 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
7458 even if walk_subtrees is 0.
7459 * c-semantics.c (prune_unused_decls): Return a non-null value to
7460 stop traversing the tree chain.
7462 2001-02-27 DJ Delorie <dj@redhat.com>
7464 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
7465 register, *then* define it as the new CFA.
7467 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
7469 * pa.c (override_options): Promote -fpic to -fPIC.
7470 (legitimize_pic_address): Simplify due to removal of
7471 small PIC as a code generation option.
7472 (secondary_reload_class): Similarly.
7473 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
7474 (PRINT_OPERAND_ADDRESS): Similarly.
7475 * pa.md (various patterns): Similarly.
7476 (small pic lo_sum pattern): Remove.
7478 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
7481 * md.texi (min, max): Document
7483 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
7485 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
7486 TARGET_PARTIAL_REG_DEPENDENCY.
7487 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
7489 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
7491 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
7493 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
7495 * mips.c (mips_make_temp_file): Fix thinko in last change.
7497 2001-02-26 Jason Eckhardt <jle@redhat.com>
7499 * combine.c (known_cond): Do not reverse the condition when
7500 SMAX/UMAX is being considered and the condition is for equality
7503 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
7505 2001-02-26 Philip Blundell <philb@gnu.org>
7507 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
7509 * config/arm/linux-elf.h: Remove historical relics related to
7510 above configurations.
7511 * config/arm/linux-oldld.h: Delete.
7512 * config/arm/linux-elf26.h: Delete.
7514 2001-02-26 Jason Merrill <jason@redhat.com>
7516 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
7518 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
7519 recognize a tentative definition. Lose obsolete code.
7521 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
7522 variables unless necessary, either.
7524 2001-02-25 Richard Henderson <rth@redhat.com>
7526 * ifcvt.c (struct noce_if_info): Add test_bb.
7527 (noce_get_alt_condition): New.
7528 (noce_try_minmax, noce_try_abs): New.
7529 (noce_operand_ok): New.
7530 (noce_process_if_block): Use them.
7531 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
7533 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
7535 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
7538 2001-02-25 Zack Weinberg <zackw@stanford.edu>
7540 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
7541 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
7543 (mips_asm_file_end): Free temp_filename here.
7545 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7547 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
7548 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
7550 * config/i386/i386.md (movstrsi): Handle FAIL case.
7552 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
7554 * cppinit.c (builtin_array): Update.
7555 (init_builtins): Flag builtins to warn if redefined or
7556 undefined. Define __GXX_WEAK as a normal macro.
7557 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
7558 * cpplib.h (NODE_WARN): New flag.
7559 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
7560 Handle __STDC__ as a builtin only on Solaris.
7561 (warn_of_redefinition): Renamed from check_macro_definition.
7562 Reverse sense of test. Always warn if NODE_WARN.
7563 (_cpp_create_definition): Use warn_of_redefinition. Flag
7564 any macro beginning with "__STDC_" to require a mandatory
7565 warning if redefined or undefined.
7567 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7569 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
7570 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
7571 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
7572 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
7573 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
7574 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
7575 Don't define any of:
7576 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
7577 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
7578 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
7579 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
7580 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
7582 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
7583 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
7586 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
7587 Delete now-empty file.
7589 * alpha/vms.h: Define NEED_ATEXIT here...
7590 * alpha/xm-vms.h: ...not here.
7592 * i386/cygwin.h: Don't define PARAMS.
7593 * mips/mips.c: Don't prototype mktemp. Don't define
7594 P_tmpdir. Use make_temp_file to create temporary files.
7595 Don't be clever and delete temporary files early.
7596 * config.gcc: Drop references to deleted files. Don't define
7598 * gcc.texi: Don't mention USE_PROTOTYPES.
7600 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7602 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
7603 (ix86_set_move_mem_attrs_1): Likewise.
7604 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
7605 * config/i386/i386.md (movstrsi): Call it.
7607 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7609 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
7610 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
7611 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
7612 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
7614 (i750a-*-*): Error here if hosting on i750a.
7615 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
7617 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
7618 Remove (empty modulo comments).
7620 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
7621 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
7622 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
7623 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
7624 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
7625 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
7627 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
7628 Remove reference to winnt.h in comment.
7629 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
7631 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7633 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
7634 used to set another biv.
7636 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7638 * tree.h (BLOCK_DEAD): New macro.
7639 (struct tree_block): New flag, dead_flag.
7640 * print-tree.c (print_node, case 'b'): Print missing fields.
7641 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
7642 * function.c (identify_blocks): Enable test for misplaced notes.
7643 (all_blocks): Skip BLOCK_DEAD blocks.
7644 * integrate.c (integrate_decl_tree): Likewise.
7646 * errors.c (internal_error, trim_filename): New functions.
7647 (fancy_abort): Call internal_error.
7648 * errors.h (internal_error, trim_filename): New declarations.
7650 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
7652 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
7654 (EXTRA_CONSTRAINT): Formatting changes.
7656 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7658 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
7660 2001-02-23 Per Bothner <per@bothner.com>
7662 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
7663 so they can be called from java/jvspec.c.
7664 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
7666 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
7668 * i386.c (ix86_frame): New structure.
7669 (ix86_compute_frame_size): Kill.
7670 (ix86_compute_frame_layout): New.
7671 (ix86_save_reg): New.
7672 (ix86_can_use_return_insn_p): Use frame layout stuff.
7673 (ix86_expand_prologue): Likewise.
7674 (ix86_expand_epilogue): Likewise.
7675 (ix86_initial_elimination_offset): Likewise.
7676 (ix86_nsaved_regs): Use ix86_save_reg.
7677 (ix86_emit_save_regs): Likewise.
7679 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
7681 * flow.c (find_sub_basic_blocks): New function.
7682 (split_block): Be ready for basic block introduced by CODE_LABEL.
7683 (commit_one_edge_insertion): Call find_sub_basic_block.
7685 * flow.c (make_edges): Add edge from entry for blocks starting with
7686 label having ALTERNATE_NAME
7688 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
7690 * function.c (epilogue_done): Be ready for first basic block not
7691 containing PROLOGUE_END note.
7692 (reposition_prologue_and_epilogue_notes): Avoid placing
7693 PROLOGUE_END note between BASIC_BLOCK.
7695 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
7697 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
7699 2001-02-21 DJ Delorie <dj@redhat.com>
7701 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
7702 check for current_function_has_nonlocal_goto from 1999-11-12.
7704 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7706 * diagnostic.c (trim_filename): No longer static.
7707 * toplev.h (trim_filename): Declare.
7708 * rtl.c (rtl_check_failed_bounds): Call internal_error.
7709 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
7710 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
7711 (rtvec_check_failed_bounds): Likewise.
7712 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
7714 * convert.c (convert_to_integer): Don't do unsigned unless result or
7715 both inputs are unsigned.
7717 * fold-const.c (fold_convert): Don't call size_int_type_wide if
7720 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
7722 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
7724 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
7726 * Makefile.in (resource.o): Add params.h dependence.
7727 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
7728 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
7729 * resource.c: Add dependence on params.h.
7730 (current_live_regs): Fix explanatory comment.
7731 (find_basic_block): Add new parameter to permit limiting search
7733 (mark_target_live_regs): Add new argument to find_basic_block call.
7734 (incr_ticks_for_insn): Likewise.
7736 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7738 * diagnostic.c (output_to_stream): Rename to
7739 output_buffer_to_stream. Loses the stream parameter.
7740 (init_output_buffer): Set diagnosic_buffer's stream.
7741 (flush_diagnostic_buffer): Adjust.
7742 (default_print_error_function): Likewise.
7743 (finish_diagnostic): Likewise.
7744 (verbatim): Likewise.
7746 * diagnostic.h (struct output_buffer): Add `stream' field.
7747 (output_buffer_attached_stream): New macro.
7749 2001-02-23 Jakub Jelinek <jakub@redhat.com>
7751 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
7752 check if either operand is divisible by C.
7753 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
7754 If type is signed, consider negative numbers as well.
7756 2001-02-22 Richard Henderson <rth@redhat.com>
7758 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
7759 reach .text instead of gp-relative relocs.
7760 * config/ia64/crtend.asm (.init): Likewise.
7762 2001-02-22 Andreas Jaeger <aj@suse.de>
7764 * extend.texi (C++ Attributes): Fix typo.
7766 2001-02-21 David Mosberger <davidm@hpl.hp.com>
7768 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
7769 functions, drop current_function_args_info.words test.
7770 (ia64_compute_frame_size): Mark syscall_linkage functions as
7771 using eight input registers.
7773 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
7774 Bruce Korb <bkorb@gnu.org>
7776 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
7777 * fixinc/README: Document how to convert sed substitutions
7778 to format style c_fix-es.
7779 * fixinc/fixincl.x: regen
7781 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
7783 * gcc.c: Add comment explaining how to add a command-line option.
7784 Add title to specs language comment.
7786 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7788 * gcc.c (cc1_options): Add "-param".
7789 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
7790 (option_map): Likewise.
7791 * toplev.c (display_help): Add entry for "--param".
7792 (independent_decode_option): Fix typographical error.
7794 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
7795 Bernd Schmidt <bernds@redhat.com>
7796 Jan Hubicka <jh@suse.cz>
7798 * i386.c (function_arg_advance): Pass SSE arguments in registers.
7799 (function_arg): Likewise.
7801 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
7803 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
7805 2001-02-21 Kazu Hirata <kazu@hxi.com>
7807 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7811 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
7813 * flow.c (init_propagate_block_info): Canon address and use single_set
7814 for killing dead memory stores.
7816 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7818 * Makefile.in (reorg.o): Add params.h dependence.
7819 * params.def: Fix typographical error in comment.
7820 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7821 * params.h: Modify introductory comment.
7822 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7823 * reorg.c: Add dependence on params.h.
7824 (redundant_insn): Add parameterized throttle for search.
7825 (fill_simple_delay_slots): Add a comment explaining a variable.
7826 Move conditional out of loop, simplifying code.
7827 (fill_eager_delay_slots): Fix typographical error in comment.
7829 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
7831 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
7833 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
7834 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
7836 2001-02-21 Jason Merrill <jason@redhat.com>
7838 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
7839 (struct tree_decl): Add uninlinable bitfield.
7840 * c-decl.c (duplicate_decls): Set it.
7841 * integrate.c (function_cannot_inline_p): Check it.
7843 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
7844 DW_AT_MIPS_linkage_name to abstract methods.
7845 (dwarf2out_abstract_function): Emit class context before calling
7846 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
7847 (gen_subprogram_die): Remove obsolete code.
7848 (gen_member_die): Don't include clones in the member list.
7849 (gen_decl_die): Emit abstract info for clone origin.
7850 * dwarfout.c (output_type): Don't include clones in the member list.
7851 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
7852 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
7853 DECL_ABSTRACT on a function that already has it set.
7855 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
7856 (get_subprogram_die): Pass it in.
7858 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
7860 * flow.c (mark_set_1): Make not_dead unsigned long. For
7861 non-pseudos, use it as a bitmask of the hard regs that
7864 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
7866 * cppfiles.c: Update comments.
7867 (_cpp_read_file): Don't check for NULL filenames any more.
7868 * cppinit.c (cpp_start_read): Don't do canonicalization of
7869 in_fname and out_fname. Use the passed file name exclusively.
7870 (_cpp_handle_options): Don't treat "-" as a command line option,
7871 but as a normal filename.
7872 (_cpp_post_options): Canonicalize in_fname and out_fname.
7873 * cppmain.c (printer_init): Don't check out_fname for NULL.
7874 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
7875 (init_c_lex): Update, and use "" to represent stdin to CPP.
7878 2001-02-20 Will Cohen <wcohen@redhat.com>
7880 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
7881 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
7882 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
7885 2001-02-20 Stan Shebs <shebs@apple.com>
7887 * config/rs6000/rs6000.c (output_cbranch): Output branches
7888 on separate lines instead of using ';' to separate.
7890 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
7892 * cppinit.c (set_lang): Move builtin handling to...
7893 (init_builtins): ...here.
7894 (_cpp_create_reader): Move call to set_lang.
7896 2001-02-20 Mark Mitchell <mark@codesourcery.com>
7898 * stmt.c (expand_return): If an attempt is made to return the
7899 error_mar_node, treat the return like a return without a value.
7901 2001-02-19 Zack Weinberg <zackw@stanford.edu>
7903 * sibcall.c (skip_copy_to_return_value): Call
7904 identify_call_return_value here, and return orig_insn if it
7905 returns zero. Hardret and softret arguments now unnecessary.
7906 (call_ends_block_p): Don't call identify_call_return_value here.
7908 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
7910 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
7911 * ggc.h (ggc_mark_if_gcable): Delete prototype.
7913 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
7915 * pa.c (move_operand): Accept code to load the address of a
7916 symbol out of the DLT as a valid move operand.
7917 (print_operand, case 'A'): New to handle generating a DLT
7918 reference for a LO_SUM expression.
7919 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
7920 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
7922 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
7924 * README, cpp.texi, gcc.texi, version.c: Update version number to
7926 * cpp.1, gcov.1, gcc.1: Regenerate.
7928 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
7930 * cppfiles.c (stack_include_file): Generate dependencies
7931 here, and manage include_count here too.
7932 (PRINT_THIS_DEP): Delete.
7933 (_cpp_execute_include): Do not generate dependencies here,
7934 apart from the case of a missing header. Do not manage
7936 (_cpp_read_file): Leave dependency generation to
7939 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
7941 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
7942 target_cpu_default. Remove dead assignment to
7945 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
7947 * regclass.c (contains_reg_of_mode): Make global.
7948 (init_reg_sets): Remove contains_reg_of_mode; take into account
7949 CLASS_MAX_NREGS when looking for the proper mode.
7950 (dump_regclass): Dump only classes considered for the pseudo.
7951 (regclass): Use contains_reg_of_mode.
7953 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
7955 * gcc.c (do_spec_1): 'n' for printing notices.
7956 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
7958 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
7960 * reg-stack.c (next_flags_user): Use current_block->end
7961 (swap_rtx_condition): Look for next user if flags don't die;
7962 give up on CALL_INSNs; use current_block->end.
7964 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7966 * sibcall.c (call_ends_block_p): New function.
7967 (optimize_sibling_and_tail_recursive_call): Use it.
7969 2001-02-18 Kazu Hirata <kazu@hxi.com>
7971 * config/h8300/h8300.md: Update copyright.
7972 (andsi3): Do not output an extra newline character.
7974 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7976 * toplev.c (note_deferral_of_defined_inlined_function): Argument
7977 FNDECL may be unused.
7979 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
7980 follow jumps after first run.
7981 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
7982 it doesn't change any jumps.
7984 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
7986 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
7987 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
7988 (mostlyclean): Corresponding changes.
7989 * rtlanal.c (hard-reg-set.h): Include.
7990 (rtx_unstable_p): Do not treat the argument pointer specially
7991 if it is not a fixed register.
7992 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
7994 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7996 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
7997 against last real insn in basic block.
7998 Rework to avoid gotos.
8000 * Makefile.in (gcse.o): Now includes ggc.h.
8001 * gcse.c: Include ggc.h.
8002 (want_to_gcse_p): Verify expression can be in SET as valid insn.
8003 (try_replace_reg): Remove warning of uninitialize variable.
8004 (process_insert_insn): Call invalid_insn_p to validate insn.
8005 * recog.c (insn_invalid_p): Now global.
8006 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
8007 * recog.h (insn_invalid_p): New declaration.
8009 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
8011 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
8012 assignments from FP constants since 'Y' output code can't handle it.
8013 (eligible_for_sibcall_delay): Likewise.
8015 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
8016 Call fancy_abort directly, passing args.
8017 (print_rtl_and_abort): Now a macro, like fancy_abort.
8019 * final.c (output_operand_lossage): Use internal_error, not error.
8021 2001-02-18 Shane Nay <shane@agendacomputing.com>
8023 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
8024 structure shift insns.
8026 2001-02-18 Mark Mitchell <mark@codesourcery.com>
8028 * invoke.texi (-fsquangle): Remove documentation.
8029 (-fname-mangling-version): Likewise.
8031 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
8033 * optabs.c (expand_abs): Remove reference to
8034 HAVE_contitional_arithmetic.
8035 * combine.c (simplify_set): Likewise.
8037 2001-02-18 Richard Henderson <rth@redhat.com>
8039 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
8042 2001-02-18 Richard Henderson <rth@redhat.com>
8044 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
8046 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
8048 * reload1.c (reload_cse_simplify_set): Fix typo.
8050 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8052 * diagnostic.c (_fatal_insn): Decrement errorcount.
8054 * invoke.texi (-I): Add note avoiding use for system header files.
8056 * rtl.h (add_clobbers): Remove duplicate declaration.
8057 * recog.h (added_clobbers_hard_reg_p): New declaration.
8058 * genemit.c (struct clobber_pat): New field has_hard_reg.
8059 (gen_insn): Record if added clobbers clobber hard reg.
8060 (gen_split): Avoid unused warning if number of operands is 0.
8061 (output_added_clobbers_hard_reg_p): New function.
8064 2001-02-18 Alan Modra <alan@linuxcare.com.au>
8066 * pa.c (hppa_expand_prologue): Simplify code storing return
8067 pointer. For large (>=8k) frames with a post_store, adjust stack
8068 pointer by 8k-64 first rather than by 64. When testing with
8069 VAL_14_BITS_P, always use the actual value rather than the value
8070 negated. Add blockage to prevent scheduling of spills before
8071 stack frame has been created.
8072 (hppa_expand_epilogue): Simplify code loading return pointer.
8073 Allow a slightly larger range for merge_sp_adjust_with_load case.
8074 When testing with VAL_14_BITS_P, always use the actual value.
8076 * pa.c (pa_adjust_insn_length): Check that block move
8077 pattern is a set before looking at operands.
8079 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8081 * fold-const.c (fold_binary_op_with_conditional_arg): New
8082 function, split out from ...
8084 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
8085 conditional arms that throw exceptions.
8087 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
8090 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8092 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
8093 define HAVE_DECL_* to 1 to mask potential backup declarations.
8094 * configure: Regenerated.
8096 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8098 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
8100 2001-02-17 Richard Henderson <rth@redhat.com>
8102 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
8103 when replacing a memory load with a register.
8105 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8106 Jan Hubicka <jh@suse.cz>
8108 * recog.c (validate_replace_src_1): New.
8109 (validate_replace_src_data): Likewise.
8110 (validate_replace_src): Use note_uses.
8111 * rtl.h (note_uses): Declare.
8112 * rtlanal.c (note_uses): New.
8114 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
8116 * reg-stack.c (stack_def): Make field reg unsigned.
8117 (remove_regno_note): Unsignetize parameter.
8119 2001-02-16 Jes Sorensen <jes@linuxcare.com>
8121 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
8122 shladd_operand() call.
8124 2001-02-16 Bruce Korb <bkorb@gnu.org>
8125 Rodney Brown <RodneyBrown@mynd.com>
8127 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
8128 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
8129 machine restrictions
8130 * fixinc/fixincl.x: regen
8132 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8134 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
8136 (hash_scan_insn): Clean up calls to hash_scan_set.
8137 (compute_kill_rd): REGNO now unsigned.
8138 (try_replace_reg): Rework to use simplify_replace_rtx.
8139 (cprop_jump, cprop_cc0_jump): Likewise.
8140 (cprop_insn): Call find_reg_equal_equiv_note.
8141 Reflect changes to cprop_jump and cprop_cc0_jump.
8143 * recog.c (validate_replace_src): Replace in operands of
8144 ZERO_EXTRACT in SET_DEST.
8146 * cse.c (new_label_ref): New variable.
8147 (insert): Set it instead of recorded_label_ref.
8148 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
8149 CODE_LABEL for this function, and not already in REG_LABEL note.
8151 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
8153 * resource.c (mark_referenced_resources): Fix typo in introductory
8155 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
8158 2001-02-16 Jason Merrill <jason@redhat.com>
8160 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
8162 (gen_subprogram_die): Don't abort on seeing a second definition if
8163 the previous one was abstract. Don't replace an abstract instance
8164 in the lookup table.
8166 * dwarf2out.c (dwarf2out_abstract_function): Rename from
8167 gen_abstract_function.
8168 * dwarf2out.h: Declare it.
8169 * toplev.c (note_outlining_of_inline_function): New fn.
8170 * toplev.h: Declare it.
8171 * integrate.c (output_inline_function): Call it.
8172 * c-decl.c (duplicate_decls): Call it when redefining an extern
8173 inline. Don't inline the new defn.
8175 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
8177 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8179 * .gdbinit: Rename to gdbinit.in.
8180 * gdbinit.in: New file,
8181 * configure.in: Generate .gdbinit from gdbinit.in.
8182 * configure: Regenerated.
8183 * Makefile.in (distclean): Always remove .gdbinit.
8185 2001-02-16 Jakub Jelinek <jakub@redhat.com>
8187 * objc/objc-act.c (start_class): Register implemented_classes with
8190 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
8192 * cppfiles.c (_cpp_make_system_header): Generate a file
8195 2001-02-15 Jim Meyering <meyering@lucent.com>
8197 * Makefile.in (install-common): Don't depend on installdirs here.
8198 Instead, make each of the lang.install-common targets (e.g.,
8199 c++.install-common in cp/Make-lang.in) depend on it.
8200 (install-driver): Depend on installdirs.
8202 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8204 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
8206 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
8209 2001-02-15 Mark Mitchell <mark@codesourcery.com>
8211 * invoke.texi (--param): Document.
8213 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
8215 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
8217 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
8219 * i386.md (extendsfdf2_2): Fix constraints.
8221 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
8223 * i386.md (fop_df_3 splitter): Fix operand number.
8225 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
8227 * invoke.texi (-mreg-alloc): Nuke.
8228 * i386.c (ix86_reg_alloc_order, regs_allocated,
8229 order_regs_for_local_alloc): Nuke.
8230 (override_options): Kill reg_alloc code.
8231 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
8232 (REG_ALLOC_ORDER): SSE goes before I387.
8233 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
8234 (ix86_reg_alloc_order): Likewise.
8235 * i386-protos.h (ix86_reg_alloc_order): Kill.
8237 2001-02-14 Richard Henderson <rth@redhat.com>
8239 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
8241 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
8243 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
8245 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
8247 * i386-protos.h (ix86_memory_move_cost): Move offline.
8248 * i386.c (ix86_register_move_cost): Compute properly cost of
8249 SSE, MMX and i387 instructions.
8250 (*_cost): Add costs of SSE/MMX moves.
8251 (ix86_memory_move_cost): Move offline from ....; Likewise.
8252 * i386.h (MEMORY_MOVE_COST): .... here;
8253 (struct processor costs): Add new fields to represent costs
8256 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
8258 * regclass.c (init_reg_sets_1): Reinstall the optimization of
8259 move_cost together with Matt Kraai's fix.
8261 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8263 * Makefile.in (OBJS): Add params.o.
8265 2001-02-14 Richard Henderson <rth@redhat.com>
8266 DJ Delorie <dj@redhat.com>
8268 * jump.c (jump_optimize_1): When we delete a conditional jump
8269 preceeding a non-conditional jump to effectively the same place,
8270 make sure that the combined jump skips any clobber insns between
8273 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8275 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
8277 2001-02-14 Mark Mitchell <mark@codesourcery.com>
8279 * Makefile.in (toplev.o): Depend on params.h.
8280 (intergate.o): Likewise.
8281 (params.o): New target.
8282 * flags.h (inline_max_insns): Remove.
8283 * integrate.c: Include params.h.
8284 Use MAX_INLINE_INSNS instead of inline_max_insns.
8285 * params.c: New file.
8286 * params.h: Likewise.
8287 * params.def: Likewise.
8288 * toplev.c: Include params.h.
8289 (lang_independent_params): New variable.
8290 (decode_f_option): Use the param machinery instead of setting
8292 (independent_decode_option): Handle "--param name=value".
8293 (main): Register language-independent parameters.
8295 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
8297 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
8299 2001-02-14 Richard Henderson <rth@redhat.com>
8301 * regclass.c (init_reg_sets_1): Revert last two changes.
8303 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8305 * stor-layout.c (is_pending_size, put_pending_size): New functions.
8306 (variable_size): Call put_pending_size.
8307 * tree.h (is_pending_size, put_pending_size): Add prototypes.
8308 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
8309 sizes list, put newly created SAVE_EXPR there as well.
8311 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8313 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
8314 (errata_find_address_regs): load_group has only 2 entries.
8315 (errata_emit_nops): Likewise. shladd is not problematic.
8316 Clear last_group if nop was emitted.
8317 (fixup_errata): load_group has only 2 entries.
8320 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
8322 * c-lex.c (lex_number): Only warn traditionally for U suffix
8323 outside system macros.
8324 * cppexp.c (parse_number): Similarly.
8325 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
8326 * cppmacro.c (struct cpp_macro): New member node.
8327 (parse_args): Only warn about missing rest args if not
8329 (funlike_invocation_p): Similarly for uninvoked funlike macros.
8330 (cpp_sys_objmacro_p): New.
8331 (_cpp_create_definition): Store the node with the macro defn.
8332 Remember if the macro is defined in a system header.
8334 2001-02-13 DJ Delorie <dj@redhat.com>
8336 * configure.in (check_languages): determine languages to check
8337 * Makefile.in (check-c++): alias for check-g++
8338 (check-f77): alias for check-g77
8339 (CHECK_TARGETS): depend on configured languages
8341 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
8343 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8344 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8345 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8346 (sqrtextendsfdf2): Disable for SSE2.
8348 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8350 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8351 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8352 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8353 (sqrtextendsfdf2): Disable for SSE2.
8355 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
8357 * i386.md (movsfcc_1): Support integer cmove instruction.
8358 (movdfcc_1): Likewise; new splitter.
8360 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
8362 * i386.c (output_fp_compare): Support SSE.
8363 (prepare_fp_compare_args): SSE comparisons always support memory.
8364 * i386.h (TARGET_CMOVE): SSE imply cmove.
8365 * i386.md (cmp?f2): Enable for SSE too.
8366 (cmpfp_i*): Support SSE.
8368 (cmpfp_i_sse_only): New.
8369 (s*, b* fp expanters): Enable for SSE too.
8370 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
8373 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
8375 * regclass.c (init_reg_sets_1): Silence warning.
8377 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
8379 * i386.md (sqrt?f2): Change to expander.
8380 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
8382 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8384 * rtlanal.c (find_reg_equal_equiv_note): New function.
8385 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
8386 (simplify_gen_relational, simplify_replace_rtx): Likewise.
8387 * rtl.h: Add declarations for above functions.
8389 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
8391 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
8393 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
8394 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
8395 * flow.c (mark_regs_live_at_end): Likewise.
8396 (calculate_global_regs_live): Likewise.
8397 * gcse.c (compute_hash_table): Likewise.
8398 (compute_kill_rd): Likewise.
8399 * resource.c (mark_target_live_regs): Likewise.
8400 * rtl.h (INVALID_REGNUM): New macro.
8402 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
8404 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
8406 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
8408 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
8411 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
8413 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
8415 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
8416 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
8417 (fop_sf_1_sse, fop_df_1_sse): New patterns
8418 (fop_*): Disable float_extend and float patterns for SSE compilation.
8419 * i386.c (output_387_binary_op): Support SSE.
8421 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
8423 * i386.md (dummy_extendsfdf2): Support SSE2
8424 (extendsfdf2): Enable if 80387 or SSE2.
8425 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
8426 and no MIX_I387_SSE2
8427 (extendsfdf2_1_sse_only): New pattern.
8428 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
8430 (truncdfsf2_1): Support SSE.
8431 (truncdfsf2_2): Support SSE.
8432 (truncdfsf2_2_1_sse): New pattern.
8433 (fixtruncsfsi2): Always use SSE if available.
8434 (fix_truncsfsi_sse): New pattern.
8435 (fix_truncdfsi_sse): New pattern.
8436 (floatsis?f2): Support SSE.
8437 (floatsidf2_i387): New pattern.
8438 (floatsidf2_sse): Likewise.
8440 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8442 * configure.in: Use "have_gnat" variable, not "gnat".
8443 * configure: Regenerated.
8445 * config/sparc/sparc.c (function_value): Treat all non-record
8446 aggregate types like used to treat UNION_TYPE.
8448 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
8450 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
8451 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
8453 (MASK_MIX_SSE_I387): New.
8454 (TARGET_SSE): SSE2 imply SSE.
8455 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
8456 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
8457 (enum reg_class): Add new classes.
8458 (REG_CLASS_NAMES): Likewise.
8459 (REG_CLASS_CONTENTS): Likewise.
8460 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
8461 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
8462 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
8463 (CLASS_MAX_NREGS): Use new macros.
8464 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
8465 * i386.md (pushsf, movsf): Support SSE.
8466 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
8467 splitters to use ANY_FP_REGNO_P.
8468 (movdf_nointeger, movdf_integer): Likewise.
8470 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8472 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
8473 (try_combine): Use it.
8475 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
8477 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
8478 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
8479 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
8480 (REGISTER_MOVE_COST): Likewise.
8481 * i386-protos.h (ix86_secondary_memory_needed,
8482 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
8483 * i386.c (ix86_secondary_memory_needed,
8484 ix86_preferred_reload_class, ix86_register_move_cost): New function.
8486 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
8488 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
8489 (HARD_REGNO_MODE_OK): Move offline to ....
8490 * i386.c (ix86_hard_regno_mode_ok) ... here;
8491 refuse all incorrect modes.
8492 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
8494 2001-02-13 Richard Henderson <rth@redhat.com>
8496 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
8497 entire operator; replicate that and match_dup the operands.
8498 (cmp_ccx_arith_op_set): Likewise.
8499 (cmp_cc_arith_op_not_set): Likewise.
8500 (cmp_ccx_arith_op_not_set): Likewise.
8502 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8504 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
8506 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8508 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
8509 (TARGET_NO_BITFIELD_WORD): New macro.
8510 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
8511 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
8513 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8515 * cselib.c: New file, from simplify-rtx.c.
8516 * simplify-rtx.c: Remove cselib parts.
8517 * Makefile.in: Add cselib.o.
8519 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8521 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
8522 (setup_incoming_varargs): Remove warning.
8524 * config/rs6000/rs6000.c (validate_condition_mode): When
8525 flag_fast_math, allow floating-point conditionals to be reversed.
8526 (rs6000_generate_compare): When flag_fast_math, don't generate
8527 cror operations for FP conditionals.
8529 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
8531 (ASM_SPEC): Likewise.
8532 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
8533 (CC1_SPEC): Likewise.
8534 (LINK_TARGET_SPEC): Likewise.
8535 (CPP_ENDIAN_SPEC): Likewise.
8536 * Makefile.in (check-consistency): New target.
8538 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
8540 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
8541 "return type defaults" warning for functions with return type
8543 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
8544 function declarations by default rather than only when pedantic.
8546 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
8548 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
8551 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8553 * extend.texi (Deprecated): Deprecate new initializer lists.
8555 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8557 * mkdeps.c (deps_add_default_target): Robustify. Add
8558 basename component only.
8559 * cpp.texi (-M): Describe how default target is generated.
8560 * invoke.texi (-M): Likewise.
8562 2001-02-12 Kazu Hirata <kazu@hxi.com>
8564 * toplev.c (push_float_handler): Remove.
8565 (pop_float_handler): Remove.
8566 * toplev.h: Remove prototypes for the above functions.
8568 2001-02-12 Jakub Jelinek <jakub@redhat.com>
8570 * c-common.c (constant_fits_type_p): New function.
8571 (convert_and_check): Use it.
8573 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8575 * Makefile.in (GXX_ABI_FLAG): Don't define.
8576 * configure.in (--enable-new-gxx-abi): Remove option.
8577 * config.in: Regenerated.
8578 * configure: Likewise.
8580 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
8582 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
8584 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
8585 regular basic block, and arrange for all edges into it to switch
8588 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8590 * Makefile.in (distclean): Do not remove .gdbinit.
8592 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8594 * Makefile.in (gcc.o): Fix typos.
8595 (protize.o): Likewise.
8596 (unprotoize.o): Likewise.
8598 2001-02-11 Richard Henderson <rth@redhat.com>
8600 * tree.c (build1): Check for null operand in last change.
8602 2001-02-11 Richard Henderson <rth@redhat.com>
8604 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
8605 (fold): Don't assume a constant isn't foldable.
8606 * tree.c (build): Set TREE_CONSTANT for an expression with no
8607 side-effects and constant operands.
8610 2001-02-10 Richard Henderson <rth@redhat.com>
8612 * jump.c (squeeze_notes): Revert 2000-05-12 change.
8614 2001-02-10 Anthony Green <green@redhat.com>
8616 * cpp.texi (Standard Predefined): Add documentation for
8619 * c-common.c (combine_strings): Improve warning message.
8621 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
8623 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
8625 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
8627 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
8629 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
8632 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
8634 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
8637 2001-02-09 Nick Clifton <nickc@redhat.com>
8639 * config/arm/arm.md: Change output contraint on post inc
8640 load/store multiple patterns to be a read/write contraint.
8642 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
8644 * gcc.c (cpp_options): Delete .d files on error. Don't delete
8645 .o files when using the -M options.
8647 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8648 David Edelsohn <edelsohn@gnu.org>
8650 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
8651 handle DImode constants. Use one TOC entry for SImode and smaller
8652 constants, aligned properly.
8654 2001-02-08 Jason Merrill <jason@redhat.com>
8656 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
8657 about the SP adjustment for saving the static chain pointer.
8658 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
8659 offset when setting a temporary CFA register.
8661 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
8663 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
8664 powerpc-*-chorusos* .
8665 * config/rs6000/chorus.h : New file.
8666 * config/i386/chorus.h : New file.
8667 * config/sparc/chorus.h : New file.
8668 * config/sparc/t-chorus-elf : New file.
8670 2001-02-08 David Edelsohn <edelsohn@gnu.org>
8672 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
8673 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
8674 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
8675 (__WCHAR_TYPE__): Correct macro name.
8677 2001-02-08 Richard Henderson <rth@redhat.com>
8679 * config/i386/i386.c (ix86_frame_pointer_required): New.
8680 (ix86_setup_frame_addresses): New.
8681 (struct machine_funciton): Add accesses_prev_frame.
8682 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
8683 ix86_frame_pointer_required.
8684 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
8685 (SETUP_FRAME_ADDRESSES): New.
8686 * config/i386/i386-protos.h: Update.
8687 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8688 from FRAME_POINTER_REQUIRED.
8689 * config/i386/svr3gas.h: Likewise.
8690 * config/i386/sysv3.h: Likewise.
8691 * config/i386/v3gas.h: Likewise.
8693 2001-02-08 Richard Henderson <rth@redhat.com>
8695 * config/sparc/sparc.c (function_arg_record_value_3): Fix
8696 calculation of the number of integer registers required.
8697 (function_arg_record_value): Likewise.
8699 2001-02-08 Jason Merrill <jason@redhat.com>
8701 * diagnostic.c (internal_error): Say "confused" after 1 error, not
8702 two. Print file and line with "confused" message.
8704 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
8706 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8708 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
8710 2001-02-08 Bernd Schmidt <bernds@redhat.com>
8712 * final.c (cleanup_subreg_operands): The address of a MEM can
8715 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
8718 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
8720 * gcc.texi (Incompatibilities): Update documentation of
8721 preprocessing numbers.
8723 2001-02-07 Jakub Jelinek <jakub@redhat.com>
8725 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
8727 2001-02-07 Mark Mitchell <mark@codesourcery.com>
8729 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
8731 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
8732 * gcc.c (struct compiler): Add cpp_spec field.
8733 (input_file_compiler): New variable.
8734 (do_spec_1): Allow a particular compiler to handle `%C'
8736 (main): Store the current compiler in input_file_compiler.
8737 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
8739 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
8741 * cpphash.h (struct spec_nodes): Add n_true and n_false.
8742 * cppinit.c (cpp_create_reader): Initialize them.
8743 (append_include_chain): cxx_aware arg might be unused.
8744 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
8745 keywords and give them their phase 7 meaning. Pedwarn about
8746 this unless '__bool_true_false_are_defined' is defined.
8748 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8750 * lcm.c (optimize_mode_switching): Emit mode_set before the
8751 JUMP_INSN of an abnormal edge.
8753 2001-02-07 Bernd Schmidt <bernds@redhat.com>
8755 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
8756 a scheduling barrier at the end.
8758 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
8760 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8762 * config/sh/sh.md (reload_outsf): Removed.
8763 (movsf_ie): Introduce constraints for FPUL loads and stores.
8764 (reload_insf): Broaden the output constraint.
8766 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
8768 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
8769 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
8771 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
8773 * final.c: Revert my previous changes.
8774 * output.h: Make profile_label_no extern.
8775 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
8776 for generating label.
8778 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
8780 * config/i386/djgpp.h: Add comments about standard paths.
8781 (MD_EXEC_PREFIX): Undefine before defining.
8782 (MD_STARTFILE_PREFIX): New.
8784 2001-01-30 Bruce Korb <bkorb@gnu.org>
8786 fixinc/fixincl.c(process): Emit error message only if appropriate :)
8787 (load_file): do not rely on load_file_data() to close file pointer
8788 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
8789 fixinc/inclhack.def(irix_limits_const): add test_text
8791 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8793 * cppexp.c (parse_defined): Improve diagnostics for invalid
8796 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8798 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
8800 2001-02-06 Mark Mitchell <mark@codesourcery.com>
8802 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
8803 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
8804 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
8805 (rs6000_output_symbol_ref): New function.
8806 (output_toc): Use VTABLE_NAME_P.
8808 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8810 * print-tree.c (print_node, case PARM_DECL):
8811 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
8813 * stor-layout.c (reference_types_internal): New variable.
8814 (internal_reference_types): New function.
8815 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
8816 * tree.h (internal_reference_types): New declaration.
8818 * cse.c (find_best_addr): Fix typo in computing cost.
8820 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8822 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
8823 and this is the sum of a pointer and a constant, we know the result
8825 (num_sign_bit_copies, case PLUS): Likewise.
8826 * explow.c (convert_memory_address): Remove opposite SUBREG.
8827 * function.c (instantiate_new_reg): New function (from common code).
8828 (instantiate_virtual_regs_1): Call it.
8829 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
8830 if pointers sign- or zero-extend.
8831 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
8832 If pointers extend unsigned, use inside of SUBREG.
8833 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
8835 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
8837 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
8838 subdir of gcc_gxx_include_dir.
8839 (gcc_gxx_target_include_dir): Remove.
8841 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
8843 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
8844 (dwarf2out_frame_debug_expr): Revise introductory comments to add
8845 a high-level description.
8847 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
8849 * final.c: Move the declaration of profile_label_no to ...
8850 * output.h: ... here.
8851 * function.c (expand_function_start): Call PROFILE_HOOK.
8852 * config/rs6000/aix.h: Define PROFILE_HOOK.
8853 * config/rs6000/rs6000-protos.h: output_profile_hook new.
8854 * config/rs6000/rs6000.c (output_profile_hook): Define.
8855 (output_prolog): Do nothing for ABI_AIX as it is taken care by
8856 output_profile_hook.
8857 tm.texi : Explain new macro PROFILE_HOOK.
8859 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
8861 * extend.texi (Extended Asm): Do not say that semicolon is always
8862 a valid line-breaking character for GNU assemblers. Use
8863 newline-tab as the most commonly supported syntax. Use
8864 newline-tab rather than semicolon in multi-insn examples.
8866 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8868 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
8870 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8871 David Edelsohn <edelsohn@gnu.org>
8873 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
8874 code for AIX, even without flag_pic.
8876 2001-02-05 Jakub Jelinek <jakub@redhat.com>
8878 * c-typeck.c (common_type): push and pop binding level around
8879 calling common_type on function parameters.
8881 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
8883 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
8885 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8887 * config/mips/mips.c (override_options): Fix typo in last change.
8888 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
8889 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
8891 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
8893 * invoke.texi (-fdump-class-layout): Document.
8894 (-fdump-translation-unit): Use `=' as filename separator.
8896 2001-02-05 Mark Mitchell <mark@codesourcery.com>
8898 * Makefile.in (s-mlib): Don't build multilibs if
8900 (DRIVER_DEFINES): Adjust accordingly.
8902 (protoize.o): Likewise.
8903 (unprotoize.o): Likewise.
8904 * configure.in: Recognize --enable-multilib.
8906 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8908 * Makefile.in (DRIVER_DEFINES): Fix quoting.
8910 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
8911 * configure.in: Remove --enable-libstdcxx_v3 support.
8912 * configure: Regenerated.
8914 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8916 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
8917 Call abort instead of fatal.
8918 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
8919 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
8920 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
8921 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
8922 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
8923 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
8925 * diagnostic.h (set_internal_error_function): Renamed.
8926 * toplev.h (internal_error): Renamed from fatal.
8927 (pfatal_with_name): Deleted.
8928 (fatal_io_error): Now has printf-style arguments.
8929 * diagnostic.c (pfatal_with_name): Deleted.
8930 (fatal_io_error): Rework to have args in printf-style.
8931 (set_internal_error_function): Renamed from set_fatal_function.
8932 (internal_error): Renamed from fatal.
8933 (error_recursion, fancy_abort): Call internal_error instead of fatal.
8934 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
8935 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
8936 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
8937 * flow.c (verify_flow_info): Likewise.
8938 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
8939 * config/mips/mips.c (save_restore_insns): Likewise.
8941 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
8942 * flow.c (verify_flow_info): Likewise.
8943 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
8944 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
8945 (avr_normalize_condition): Likewise.
8946 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
8947 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
8948 (limit_reload_class, double_reg_to_memory): Likewise.
8949 (print_operand_address, emit_1600_code_shift): Likewise.
8950 (gen_tst_reg, gen_compare_reg): Likewise.
8951 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
8952 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
8954 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
8956 * c-parse.in (methoddef): Call fatal_error instead of fatal.
8957 * objc/objc-act.c (build_ivar_chain): Likewise.
8958 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
8960 * graph.c (clean_graph_dump_file): Likewise.
8961 * profile.c (init_branch_prob): Likewise.
8962 * objc/objc-act.c (objc_init): Likewise.
8964 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
8965 * config/avr/avr.c (avr_override_options): Likewise.
8966 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
8967 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
8968 * config/h8300/h8300.c (h8300_init_once): Likewise.
8969 * config/mips/mips.c (override_options): Likewise.
8970 * config/i386/i386.c (override_options): Likewise, rework.
8971 * config/m68k/m68k.c (override_options): Likewise.
8973 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
8975 * config/mips/mips.c (print_operand): Likewise.
8976 * hash.c (hash_allocate): Don't check for failure returns from
8977 obstack functions that can't fail.
8978 (hash_table_init_n, hash_table_init): Likewise; also now return void.
8979 * hash.h (hash_table_init_n, hash_table_init): Now return void.
8980 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
8981 (get_object_reference): Likewise.
8983 2001-02-04 Nick Clifton <nickc@redhat.com>
8985 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
8986 StrongARM1110, 10TDMI, and 1020T.
8988 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8990 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
8992 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
8994 * config/sh/sh.md (movdf load split): Pass register number to
8995 FP_OR_XD_REGISTER_P.
8997 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8999 * cppinit.c (BC): New macro.
9000 (builtin_array): Add __GXX_WEAK__.
9001 * cpplib.h (builtin_type): Add BT_WEAK.
9002 * cppmacro.c (builtin_macro): Handle BT_WEAK.
9003 * defaults.h (SUPPORTS_ONE_ONLY): Define.
9004 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
9006 2001-02-03 Jakub Jelinek <jakub@redhat.com>
9008 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
9010 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9012 * cpphash.h: Rename _ALIGN POOL_ALIGN.
9013 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9015 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9017 * cpphash.h: Rename ALIGN _ALIGN.
9018 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9020 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
9022 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
9023 compilation environment.
9024 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
9025 control over location of cygwin includes and libs.
9027 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9029 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
9031 2001-02-02 lars brinkhoff <lars@nocrew.org>
9033 * md.texi (Standard Names): remove reference to spur.md.
9035 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9037 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
9038 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
9039 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
9040 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
9041 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
9043 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9045 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
9046 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
9047 number before reload.
9048 (c4x_adjust_cost): Return zero before reload.
9049 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
9050 split before reload.
9052 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9054 * c4x.c (c4x_hard_regno_rename_ok): New.
9055 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
9056 * c4x.h (HARD_REGNO_RENAME_OK): Define.
9058 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9060 * diagnostic.h: Add missing "extern" in all declarations.
9062 2001-02-02 Alex Samuel <samuel@codesourcery.com>
9064 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
9065 as for gcc_gxx_include_dir.
9067 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
9069 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
9071 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9073 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
9074 label before alignment to be used as the braf base address.
9075 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
9077 (casesi_jump_2): Require at least TARGET_SH2.
9079 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
9080 truncation to 32-bit doubles on -m3e and -m4-single-only.
9082 2001-02-02 Mark Mitchell <mark@codesourcery.com>
9084 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
9085 the default when building a shared object.
9086 (init_spec): Use it.
9087 * testsuite/lib/g++.exp: Include the directory where libgcc
9088 is located to the LD_LIBRARY_PATH list.
9089 * invoke.texi (-shared-libgcc): Document the cases in which
9090 GCC defaults to using the shared libgcc.
9092 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9094 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
9095 unsigned is wide enough.
9097 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
9098 (si_to_float): Likewise.
9099 (float_to_si, float_to_usi): Use BITS_PER_SI.
9101 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9103 * dwarf2out.c: Added explanation of abbreviations.
9104 (def_cfa_1): Added comments listing DWARF2 instructions.
9105 (cfa_temp_reg): Removed in favor of cfa_temp.
9106 (cfa_temp_value): Removed in favor of cfa_temp.
9107 (cfa_temp): New global variable.
9108 (dwarf2out_frame_debug_expr): Added extensive introductory
9109 comments explaining the function's transformations. Revised to
9110 use cfa_temp. Added some rtx checking. Generalize IOR case.
9111 (dwarf2out_frame_debug): Revised to use cfa_temp.
9112 (output_aranges): Cast as "unsigned" to avoid warning.
9113 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
9114 explain which instructions must be marked.
9116 2001-02-01 Richard Henderson <rth@redhat.com>
9118 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
9121 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
9123 * config/sh/crt1.asm (main_k): Modified so that start calls
9124 ___setup_argv_and_call_main.
9126 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
9128 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
9129 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
9130 and AVOID_LPASTE is cleared on meeting an unescaped newline.
9131 * cppmacro.c (builtin_macro): Set builtin flags here.
9132 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
9133 (replace_args): Clarify intent.
9134 (cpp_get_token): Macro expansion tokens get the saved flags.
9136 * cppmain.c (scan_buffer): Remove now-redundant print.printed
9139 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9141 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
9144 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9146 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
9147 returns Pmode pseudo, but we need ptr_mode.
9148 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
9149 Remove bogus conversions; use HOST_WIDE_INT for size.
9150 Don't use TARGET if wrong mode.
9152 * config/i386/i386.c (ix86_compute_frame_size): Allow
9153 stack_alignment_needed to be non-default even if size is zero.
9155 2001-01-31 Alan Modra <alan@linuxcare.com.au>
9157 * pa.c (hppa_init_pic_save): New function.
9158 * pa.h (hppa_init_pic_save): Declare.
9159 * pa.md (call, call_value, sibcall, sibcall_value): Use
9160 the above instead of duplicated code.
9162 * pa.c (hppa_encode_label): Correct size of alloca buffer
9163 so we don't overrun it. Correct leading `*' case.
9164 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
9165 need to handle `*@'.
9166 (FUNCTION_NAME_P): Likewise.
9168 2001-01-31 Richard Henderson <rth@redhat.com>
9170 * config.gcc (alpha-osf5): Use float-i128.h.
9172 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
9173 * config/float-i32.h: Likewise.
9174 * config/float-i64.h: Likewise.
9175 * config/float-sh.h: Likewise.
9176 * config/float-sparc.h: Likewise.
9178 2001-01-31 DJ Delorie <dj@redhat.com>
9180 * expmed.c (extract_bit_field): allow non-integral modes if we
9181 want to extract a whole register from itself.
9183 2001-01-31 Jakub Jelinek <jakub@redhat.com>
9185 * c-typeck.c (set_init_index): If first is equal to last, assume as
9186 if it was not a range at all.
9188 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9190 * config/fp-bit.c: Include tm.h.
9191 (float_to_si): Don't assume SImode is 32-bits wide.
9192 (float_to_usi): Likewise.
9194 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
9196 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
9198 (typename): Call pending_xref_error after parsing typed_typespecs.
9199 * c-decl.c (lookup_tag): Give error immediately rather than
9200 leaving it pending if the tag of the wrong type is in the same
9202 (xref_tag): Don't pedwarn for forward declarations of enum types
9204 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
9207 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9209 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
9211 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9213 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
9214 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
9216 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9218 * cpphash.h (struct cpp_reader): New saved_flags.
9219 * cppmacro.c (cpp_get_token): Use saved_flags to remember
9220 to avoid a paste after a pasted token.
9222 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9224 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
9225 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
9226 Wtype_MIN instead of LONG_MIN.
9228 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9230 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
9232 * fixinc/fixincl.x: Regenerated.
9233 * fixinc/inclhack.def (irix_limits_const): New definition to
9234 convert "const" to "__const" in limits.h.
9236 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9238 * fixinc/genfixes (AG): Fix "autogen4" thinko.
9240 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9242 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
9243 when register dies in the insn.
9245 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9247 * diagnostic.c (fatal): Fix word wrap.
9249 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
9251 * combine.c (try_combine): Fix SUBREG setting for
9252 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
9254 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9256 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
9259 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9261 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
9263 * toplev.c (decode_W_option): Update warn_larger_than
9264 unconditionally for each processed switch.
9266 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
9268 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
9270 (hppa_expand_prologue): Delete code to save pic offset table register
9271 in the function prologue.
9272 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
9273 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
9274 table register at the beginning of the function after the prologue.
9276 2001-01-29 lars brinkhoff <lars@nocrew.org>
9278 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
9280 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
9281 Jeff Law <law@redhat.com>
9283 * pa.md (return): Revise comment for trivial return.
9284 (return_internal): Non-trivial return pattern for non-PIC code.
9285 (return_internal_pic): Non-trivial return pattern for PIC code.
9286 It uses the PIC register to ensure it is restored after
9288 (epilogue): Generate appropriate return for PIC and non-PIC code.
9290 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
9292 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
9294 2001-01-29 DJ Delorie <dj@redhat.com>
9296 * combine.c (if_then_else_cond): Pass the correct mode to
9297 operand_subword() for constants.
9299 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
9301 * config/i386/cygwin.h: Add w32api to include search. Search different
9302 directories in a cross-build environment.
9304 2001-11-29 Tim Josling <tej@melbpc.org.au>
9306 * tree.h (TYPE_STUB_DECL): Add documentation.
9308 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
9310 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
9311 (sdbout_field_types): Likwise. Fix use of host_integerp.
9313 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
9315 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
9318 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
9320 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
9321 to use flag_gnu_linker.
9323 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
9325 * cpplib.c (T_BAD_DIRECTIVE): Remove.
9326 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
9328 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
9330 * tree.c, tree.h (build_parse_node): Remove; was identical to
9332 * c-lang.c (start_cdtor), objc/objc-act.c
9333 (build_module_descriptor): Use build_nt instead of
9336 2001-01-29 Jakub Jelinek <jakub@redhat.com>
9338 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
9339 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
9340 not have any upper bits set.
9342 2001-01-29 Phil Edwards <pme@sources.redhat.com>
9344 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
9346 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9348 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
9350 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
9352 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
9353 (integer_minus_one_node): Define.
9355 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
9357 * Makefile.in (bootstrap2-lean): Fix typo.
9359 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
9361 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
9362 : Don't set fe_value.
9363 * cpplib.h (AVOID_LPASTE): New flag.
9364 (struct cpp_hashnode): Remove fe_value.
9365 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
9366 * cppmacro.c (builtin_macro): Don't set flags here.
9367 (replace_args): Set AVOID_LPASTE flag on first token of an
9368 argument, and the token following it.
9369 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
9370 macro expansion, and on the token following it. Do it for
9372 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
9374 2001-01-27 Richard Henderson <rth@redhat.com>
9376 * config/alpha/t-ieee: Remove multilibbing.
9377 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
9379 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9381 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
9383 * Makefile.in: Remove all dependencies on defaults.h.
9384 * builtins.c: Don't include defaults.h.
9385 * c-common.c: Likewise.
9386 * c-decl.c: Likewise.
9387 * c-pragma.c: Likewise.
9388 * c-typeck.c: Likewise.
9389 * combine.c: Likewise.
9391 * frame-ia64.c: Likewise.
9392 * cppexp.c: Likewise.
9393 * crtstuff.c: Likewise.
9394 * dbxout.c: Likewise.
9395 * dwarf2out.c: Likewise.
9396 * dwarfout.c: Likewise.
9397 * emit-rtl.c: Likewise.
9398 * except.c: Likewise.
9400 * final.c: Likewise.
9401 * frame-dwarf2.c: Likewise.
9402 * libgcc2.c: Likewise.
9403 * optabs.c: Likewise.
9404 * profile.c: Likewise.
9405 * sdbout.c: Likewise.
9406 * toplev.c: Likewise.
9407 * tradcif.y: Likewise.
9409 * varasm.c: Likewise.
9411 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9413 * builtins.c (expand_builtin_fputs): Use size_one_node when
9414 transforming into fwrite.
9416 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
9418 * extend.texi (Attribute Syntax): New section.
9420 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9422 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
9423 they didn't need fixing.
9425 2001-01-27 Janis Johnson <janis@us.ibm.com>
9427 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
9429 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
9430 to remove macro definitions that are duplicated from elfos.h.
9432 2001-01-27 Richard Henderson <rth@redhat.com>
9434 * config/i386/sco5gas.h: Move ...
9435 * config/usegas.h: ... here.
9436 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
9438 2001-01-27 Jakub Jelinek <jakub@redhat.com>
9440 * c-typeck.c (struct constructor_stack): Add range_stack member.
9441 (really_start_incremental_init): Clear it.
9442 (push_init_level): Save constructor_range_stack and clear it if
9443 pushing explicit braces.
9444 (pop_init_level): abort if constructor_range_stack is non-zero at
9445 explicit closing brace. Restore saved constructor_range_stack if
9448 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9450 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
9451 into register was forced into memory.
9453 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9455 * Makefile.in: Remove uses of + before $(MAKE).
9457 2001-01-26 Richard Henderson <rth@redhat.com>
9459 * stmt.c (cost_table): Remove.
9460 (COST_TABLE, cost_table_initialized): New.
9461 (estimate_case_costs): Use the later instead of the former.
9462 (balance_case_nodes): Likewise.
9464 2001-01-26 Richard Henderson <rth@redhat.com>
9466 * alias.c (objects_must_conflict_p): Read-only slots may not
9467 conflict despite having the same type.
9469 2001-01-27 Michael Hayes <mhayes@redhat.com>
9471 * loop.c (loop_giv_reduce_benefit): Copy mode size into
9473 (check_ext_dependant_givs): Initialise u_start_val and
9475 (load_mems): Make last_max_reg unsigned.
9476 (try_swap_copy_prop): Use INSN_P and initialise set.
9478 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
9480 * README.AVR : Removed.
9482 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
9484 * pa-64.h (text_section): Remove declaration.
9486 * pa.md (return_internal): Remove mode on PIC register use.
9488 2001-01-25 lars brinkhoff <lars@nocrew.org>
9490 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
9491 ASM_CLOSE_PAREN): fix typos.
9493 2001-01-25 Mark Mitchell <mark@codesourcery.com>
9495 * acconfig.h: Define `const' to the empty string if neither
9496 __STDC__ nor __cplusplus is defined.
9497 * config.in: Regenerated.
9499 2001-01-25 David Edelsohn <edelsohn@gnu.org>
9501 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
9502 * collect2.c (main): Delete importf. Add ".obj" file extension.
9503 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
9504 (aix_std_libs): Add additional AIX libraries to skip.
9505 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
9506 * config/rs6000/aix51.h: New file.
9508 2001-01-25 Michael Hayes <mhayes@redhat.com>
9510 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
9511 (loop_insn_emit_before): No longer static.
9512 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
9513 (loop_givs_rescan, load_mems): Likewise.
9514 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
9515 (maybe_eliminate_biv_1):
9516 (move_movables): Replace emit_call_insn_before with
9517 loop_call_insn_hoist.
9518 * loop.h (loop_insn_emit_before): Add.
9519 * unroll.c (copy_loop_body): Replace emit_insn_before with
9520 loop_insn_emit_before.
9522 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
9524 * diagnostic.c (fatal): Request preprocessed source.
9526 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
9528 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
9529 olddecl has argument types and newdecl has none, use the argument
9532 2001-01-24 Ulrich Drepper <drepper@redhat.com>
9534 * dwarf2out.c (prefix_of): New function. Determine longest common
9535 prefix of the two arguments. The units are whole path components.
9536 (output_file_names): When adding a new directory find the one entry
9537 with the longest common prefix already in the list. Artificially
9538 generate entry if there is none for this prefix.
9539 Fix test to check whether the zeroth directory entry is used.
9541 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
9543 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
9544 Changed all callers. Take it into account when deciding if a
9545 previously loaded value matches.
9547 2001-01-24 Richard Henderson <rth@redhat.com>
9549 * reload.c (find_reloads_subreg_address): Fail the substitution
9550 if the resulting address is insufficiently aligned.
9552 2001-01-24 DJ Delorie <dj@redhat.com>
9554 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
9555 check the original operand's mode also.
9556 * simplify-rtx.c (simplify_ternary_operation): Ditto.
9558 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9560 * c-parse.in (cast_expr): Move compound literals from here ...
9561 (primary): ... to here. Use standard terminology "compound
9562 literal" instead of "constructor expression".
9564 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9566 * gcc.1, cpp.1: Regenerate.
9568 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
9570 * calls.c (emit_library_call_value_1): Memory slot for
9571 pass-by-reference argument should have the mode of the argument,
9572 not of the pointer to it.
9574 2001-01-24 Tom Tromey <tromey@redhat.com>
9576 * gcc.texi (G++ and GCC): Mention gcj manual.
9577 (Standards): Link to section of manual mentioning gcj/Java
9580 2001-01-24 Jakub Jelinek <jakub@redhat.com>
9582 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
9583 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
9584 * tradcpp.c (main): Add -imacros or -include'd dependencies
9586 * cpp.texi (-M, -MM): Document -M -include behaviour.
9588 2001-01-24 Roger Collins <roger@ProProject.com>
9590 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
9592 2001-01-24 Will Cohen <wcohen@redhat.com>
9594 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
9595 whether registers are 32 bits or 64 bits in size.
9597 2001-01-24 Ben Elliston <bje@redhat.com>
9599 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
9601 2001-01-24 Richard Henderson <rth@redhat.com>
9603 * config/alpha/alpha.md (builtin_longjmp_internal): New.
9604 (builtin_longjmp): Use it instead of emit_indirect_jump.
9606 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
9608 * bb-reorder.c (make_reorder_chain_1): Handle case where
9609 jump edge goes to the same block as the fallthru edge.
9611 2001-01-23 Jim Wilson <wilson@redhat.com>
9613 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9614 * frame.h (__ia64_personality_v1): Add prototype.
9615 * libgcc2.c (ia64_throw_helper): Change personality declaration to
9616 prototype form. Add void * cast to first argument to personality
9618 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
9619 (asctoe113): Likewise.
9620 * config/ia64/frame-ia64.c: Include eh-common.h.
9621 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
9623 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
9625 (itanium_split_issue): Add prototype.
9626 (gen_nop_type): Ifdef out.
9627 (find_best_packet): Initialize best_packet.
9628 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
9630 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
9631 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
9632 (flushrs): Add explicit stop bit at end.
9633 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
9636 2001-01-23 Chris Demetriou <cgd@broadcom.com>
9638 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
9640 * libgcc2.c (__terminate_func): Make variable static.
9641 (__terminate_set_func): New function to set __terminate_func.
9642 * libgcc2.h (__terminate_func_ptr): New typedef.
9643 (__terminate_set_func): New function.
9645 2001-01-23 Richard Henderson <rth@redhat.com>
9647 * flow.c (init_propagate_block_info): Don't consider unchanging
9648 memories for dead frame store elimination.
9650 2001-01-23 Richard Henderson <rth@redhat.com>
9652 * varasm.c (UNIQUE_SECTION): Move default implementation ...
9653 * defaults.h: ... here.
9655 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9657 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
9659 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
9661 * c-lex.c (lex_charconst): Fix typo: s/p/str.
9663 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9665 * rs6000.h (rs6000_return_addr): Move prototype from here...
9666 * rs6000-protos.h (rs6000_return_addr): ...to here.
9667 (rs6000_init_expanders): Delete prototype.
9669 2001-01-23 Nick Clifton <nickc@redhat.com>
9671 * invoke.texi: Replace , with \, inside @gccoptlist macros.
9672 (Spec Files): Document %B and %j and %. and %v3 and %M and
9673 %{S*&T} spec switches.
9675 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9677 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
9679 2001-01-23 Chris Demetriou <cgd@sibyte.com>
9680 Neil Booth <neil@daikokuya.demon.co.uk>
9682 * cpperror.c: Merge handlers of PEDWARN and WARNING.
9683 Have -Werror make pedantic warnings errors, like the
9686 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9688 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
9690 2001-01-23 Jakub Jelinek <jakub@redhat.com>
9692 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
9693 * integrate.c (expand_inline_function): Initialize them.
9694 (subst_constants): If changing COMPARE so that both its arguments
9695 will be VOIDmode and the comparison mode will be lost, note
9696 compare_mode. Use the recorded compare_mode to optimize
9699 2001-01-23 Jason Merrill <jason@redhat.com>
9701 * dwarf2out.c (new_die): Use xcalloc.
9702 (output_die): Abort rather than emit a local reference to offset 0.
9704 2001-01-17 Andrew Haley <aph@redhat.com>
9706 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
9707 of a saved register; return NULL instead.
9708 (copy_reg): Take a pointer to a source register rather than a
9710 (next_stack_level): Remember the address in the stack frame of all
9712 Use the saved register pointer array as the source of the CFA.
9713 (throw_helper): Rewrite. Unwind once rather than twice and keep
9714 track of saved registers as we go.
9716 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9718 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
9719 * c4x.c (c4x_legitimize_reload_address): Remove.
9720 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
9721 reload address for ldp(k) insn.
9723 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
9725 * pa.md (return_internal): Add a USE of the PIC register to ensure
9726 it is restored after each call.
9727 (return expander): Corresponding changes.
9729 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9731 * rs6000.h (INIT_EXPANDERS): Delete.
9732 (RETURN_ADDR_RTX): Call rs6000_return_addr().
9733 * rs6000.c (rs6000_override_options): Call *_machine_status from
9735 (rs6000_init_expanders): ...instead of here. Delete.
9736 (rs6000_mark_machine_status): New function.
9737 (rs6000_init_machine_status): Use xcalloc.
9738 (rs6000_return_addr): Generate RTX for the return address.
9739 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
9740 (rs6000_stack_info): Use it.
9742 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
9744 * gthr-win32.h: Include errno.h to get a declaration for
9745 EINVAL and _mingw.h if the target is mingw32.
9747 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9749 * cpp.texi: Correct typos.
9751 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9753 * explow.c (probe_stack_range): Ensure value passed to
9754 stack_check_libfunc is ptr_mode, not Pmode.
9756 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
9758 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
9759 case, don't use operand_subword to calculate a SUBREG that is
9762 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
9764 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9766 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
9767 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
9768 valid. If not replace it by equivalent insns.
9770 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9772 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
9773 contains SYMBOL_REF, LABEL_REF and CONST_INT.
9774 (c4x_U_constraint, symbolic_address_operand): Likewise.
9775 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
9777 (c4x_r11_set_p, c4x_check_laj_p): New functions.
9778 * c4x-protos.h (c4x_check_laj_p): Add prototype.
9779 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
9780 anulling slot because of silicon bug.
9781 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
9783 2001-01-22 Alan Modra <alan@linuxcare.com.au>
9785 * cppexp.c (parse_charconst): Change `mask' type to agree
9788 2001-01-21 Richard Henderson <rth@redhat.com>
9790 * config/i386/i386.c (ix86_asm_file_end): Disable putting
9791 pic_label_name in a linkonce section.
9793 2001-01-17 Philipp Thomas <pthomas@suse.de>
9795 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
9797 * configure: Regenerate.
9799 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
9801 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
9802 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
9804 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
9806 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9807 If REVERSE nonzero then condition code in X must be reversed.
9808 (encode_section_info): Optimise if/else.
9809 (avr_function_value): Fix formatting.
9811 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9812 (difficult_branch): Likewise.
9813 (rvbranch): Likewise.
9814 (difficult_rvbranch): Likewise.
9816 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
9818 * config/avr/libgcc.S: Fix comment.
9820 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9822 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
9824 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9826 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
9828 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9830 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
9831 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
9832 * configure, config.in: Regenerate.
9833 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
9834 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
9835 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
9836 (doprint.o): New rule.
9838 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
9840 * c-typeck.c (digest_init): Handle boolean types as scalars.
9842 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9844 * stmt.c (expand_return): Don't return anything if size is zero.
9845 Delete redundant assignment to BYTES.
9846 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
9848 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
9850 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
9851 the same as the default library function names.
9852 * config/avr/avr.md: Document special characters after '%'.
9853 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
9854 knowing which of the call-used registers are really clobbered.
9855 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
9856 New. Both quotient and remainder from one libgcc.S call.
9857 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
9858 clobber as few registers as possible.
9859 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
9861 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
9863 * cppmacro.c (funlike_invocation_p): Don't move back up to the
9864 context of the top of the stack.
9866 2001-01-20 Jakub Jelinek <jakub@redhat.com>
9868 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
9869 (fixup_var_refs_insns): ...here.
9871 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
9873 * function.c (fixup_var_refs_insns): Break up into
9874 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
9875 [loop over entire insn list], and fixup_var_refs_insns_with_hash
9876 [loop over hash table entries].
9877 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
9878 fixup_var_refs_insns_with_hash, to match above changes.
9880 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
9882 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
9883 (libgcc.a): Likewise.
9884 (stmp-multilib): Likewise.
9885 (STAGE2_FLAGS_TO_PASS): Likewise.
9887 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
9889 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
9890 temporary if no_new_pseudos.
9892 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
9894 * cppinternals.texi: Update.
9896 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
9898 * arm.c (arm_init_builtins): Re-enable builtins.
9900 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9902 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
9903 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
9904 element to be null, and always expect an EXPR_LIST.
9905 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
9906 * sched-deps.c (sched_analyze_1): Likewise.
9907 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9909 * regclass.c (max_set_parallel): New variable.
9910 (reg_scan): Take it into account in computation of max_parallel.
9911 (reg_scan_mark_refs, case SET): Compute it.
9913 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
9915 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
9916 * function.c (assign_parms): Use INTVAL for a CONST_INT.
9918 2001-01-19 Jason Merrill <jason@redhat.com>
9920 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
9921 for the abstract instance of an inline function.
9923 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
9924 J"orn Rennecke <amylaar@redhat.com>
9926 * reload1.c (move2add_note_store): Treat all registers directly or
9927 indirectly derived from a base register as members of the same set
9929 (reload_cse_move2add): Adjust accordingly. Take mode and offset
9930 of base register into account.
9932 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
9934 * alias.c (find_base_value): Recognize TRUNCATE.
9935 (record_set): In PLUS case, invalidate if other summand is also a
9938 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9940 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
9941 entry to be EXPR_LIST.
9942 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
9943 be an EXPR_LIST (but not null, which other code doesn't allow).
9944 (note_stores): Properly handle PARALLEL in SET.
9945 Recursively call for top-level PARALLEL.
9946 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
9947 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9949 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
9951 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
9953 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
9954 not pfile->skipping (== 0).
9956 2001-01-17 Nick Clifton <nickc@redhat.com>
9958 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
9961 2001-01-17 Jim Wilson <wilson@redhat.com>
9963 * invoke.texi (IA-64 options): Improve.
9965 2001-01-17 Tom Tromey <tromey@redhat.com>
9967 * invoke.texi (Optimize Options): Use `{}' to around @samp
9970 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
9972 * invoke.texi (-fno-guess-branch-probability): New option.
9974 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9976 * combine.c (try_combine): Don't set i3_subst_into_i2 for
9977 case of making new double-word constant.
9978 Revert last change: instead just test i3_subst_into_i2.
9980 2001-01-17 Jakub Jelinek <jakub@redhat.com>
9982 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
9983 Use q constraints instead of r.
9985 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
9987 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
9988 (machine_function): Define.
9989 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
9990 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
9991 pa_free_machine_status): New functions.
9992 (override_options): Set {init,mark,free}_machine_status to above.
9993 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9994 PIC_OFFSET_TABLE_REGNUM_SAVED.
9995 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9996 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
9997 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
9998 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
9999 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10001 2001-01-15 DJ Delorie <dj@redhat.com>
10003 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
10007 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10009 * flow.c (propagate_one_insn): Make trying to delete a prologue
10010 or epilogue insn an ICE, not a warning. Allow doing this if
10011 the current function returns with stack pointer depressed.
10013 * combine.c (try_combine): If i3_subst_into_i2, properly check for
10014 I3 having more than one SET.
10016 2001-01-16 Jim Wilson <wilson@redhat.com>
10018 * invoke.texi: Document IA-64 options.
10020 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
10021 (fixup_errata): Delete TARGET_A_STEP use.
10022 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
10023 (TARGET_SWITCHES): Delete -ma-step option.
10024 * config/ia64/ia64.md (all FP patterns): Delete %B0.
10025 (movqicc_astep, movqi_internal_astep, movhicc_astep,
10026 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
10027 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
10028 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
10029 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
10031 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
10032 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
10033 cmovsi_internal): Delete ! TARGET_A_STEP check.
10035 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10037 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
10038 possibility to report bugs via postal mail. Change a URL and
10039 merge in a nearly duplicate statement...
10040 (Bug Reporting): ...from here.
10041 (Service): Refer to the Bug Reporting section instead of
10042 duplicating an URL.
10043 (Contributing): Remove trivial explanations concerning snapshots.
10045 2001-01-16 Alan Modra <alan@linuxcare.com.au>
10047 * cppmain.c (general_init): Don't use ANSI prototype.
10049 2001-01-16 Tom Tromey <tromey@redhat.com>
10051 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
10053 2001-01-16 Richard Henderson <rth@redhat.com>
10055 * config/i386/i386.h: Fix comment typo.
10056 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
10057 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
10059 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10061 * gcc.c: Revert previous -fsyntax-only-related change; move
10064 2001-01-16 Jakub Jelinek <jakub@redhat.com>
10066 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
10067 inmode after checking GET_CODE (op).
10069 2001-01-16 Richard Henderson <rth@redhat.com>
10071 * flow.c (struct propagate_block_info): Add mem_set_list_len.
10072 (MAX_MEM_SET_LIST_LEN): New.
10073 (propagate_one_insn): Update mem_set_list_len.
10074 (invalidate_mems_from_autoinc): Likewise.
10075 (invalidate_mems_from_set): Likewise.
10076 (mark_used_regs): Likewise.
10077 (init_propagate_block_info): Likewise. Stop collecting memories
10078 when we reach MAX_MEM_SET_LIST_LEN.
10079 (mark_set_1): Likewise.
10081 2001-01-16 Richard Henderson <rth@redhat.com>
10083 * unroll.c (precondition_loop_p): Fail if no iteration
10086 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10088 * gcc.c: When -fsyntax-only is given, do not complain about
10091 2001-01-15 Richard Henderson <rth@redhat.com>
10093 * config/i386/i386.c (asm_output_function_prefix): Remove.
10094 (ix86_asm_file_end): New.
10095 (load_pic_register): Generate pic_label_name into a
10096 staticly allocated buffer.
10097 * config/i386/i386-protos.h: Update.
10098 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
10099 (ASM_FILE_END): New.
10100 * config/i386/i386afe.h: New file.
10101 * config.gcc (i?86-*-elf) [tm_file]: Use it.
10102 (i?86-*-{freebsd,linux*,moss*}): Likewise.
10103 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
10104 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
10105 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
10106 * config/i386/sco5.h (ASM_FILE_END): Likewise.
10107 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
10109 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
10111 * Makefile.in (install-man): Remove explicit dependency on
10114 * configure.in, configure: Revert previous patch requiring perl
10117 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
10119 * toplev.c (flag_guess_branch_prob): New.
10120 (f_options): Add guess-branch-probability option.
10121 (rest_of_decl_compilation): Only estimate branch probability if
10123 (main): set flag_guess_branch_prob.
10125 * flags.h (flag_guess_branch_prob): New.
10127 2001-01-15 DJ Delorie <dj@redhat.com>
10129 * gcc.texi (Makefile): Add documentation for Makefile targets.
10131 2001-01-15 Philip Blundell <philb@gnu.org>
10133 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
10135 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
10136 (is_pic): Delete declaration.
10137 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
10138 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
10139 * config/arm/arm.md (builtin_setjmp_receiver): New.
10141 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10143 * arm.c (use_return_insn): Don't try to determine the function type
10144 until after reload has completed.
10145 (arm_output_epilogue): Don't adjust the sp value recovered from the
10147 (emit_multi_reg_push): Don't record dwarf information for the pc.
10148 * arm.md (eh_epilogue): The function type may have changed, so it
10149 needs to be recalculated.
10150 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
10151 unwind tables on arm/netbsd.
10153 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10155 * arm.md (cbranchsi4): Correct calculation of branch ranges.
10156 (negated_cbranchsi4): Likewise.
10158 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10160 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
10161 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10162 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
10163 pass -mapcs-* options to assembler.
10164 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
10165 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10166 (ASM_SPEC): Call subtarget_extra_asm_spec.
10168 2001-01-15 Andreas Jaeger <aj@suse.de>
10170 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
10172 (ix86_expand_builtin): Likewise.
10174 * gencodes.c (output_predicate_decls): Make i size_t to avoid
10175 warning about comparison between signed and unsigned.
10177 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10179 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
10181 2001-01-14 Ralf Baechle <ralf@gnu.org>
10183 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
10184 SUBTARGET_CPP_SPEC apropriatly.
10186 2001-01-12 Mark Mitchell <mark@codesourcery.com>
10188 * varasm.c (make_decl_rtl): Fix typo in last change.
10190 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
10192 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
10193 linker supports the init_priority C++ attribute.
10194 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
10195 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
10196 linker does not support init_priority C++ attribute.
10198 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
10200 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
10202 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10204 * c-parse.in (finish_parse): Add comment about cpp_destroy.
10205 * cp/lex.c (finish_parse): Similarly.
10206 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
10207 Return the number of errors encountered.
10208 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
10209 * cppmain.c (main): Don't call cpp_destroy.
10211 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
10213 * configure.in: Require at least perl 5.6.0 to regenerate
10215 * configure: Regenerate.
10217 2001-01-14 Richard Henderson <rth@redhat.com>
10219 * genrecog.c (DT_veclen_ge): New.
10220 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
10221 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
10222 (nodes_identical_1): Handle DT_veclen_ge.
10223 (write_cond, debug_decision_2): Likewise.
10225 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10227 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
10229 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
10231 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10233 * cppmain.c (do_preprocessing): New function; most of the old
10235 (main): Call it to do most of the work.
10236 (cb): Move from global scope to set_callbacks ().
10237 (setup_callbacks): Get the callback pointer.
10238 (general_init, printer_init): Clean up code and comments.
10240 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10242 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
10245 2001-01-14 Kazu Hirata <kazu@hxi.com>
10247 * config/h8300/h8300.c (get_shift_alg): Update comments.
10249 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10251 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
10252 (alloc_page, ggc_alloc): Add casts to remove warnings.
10254 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10256 * combine.c (simplify_comparison): Don't change `code' when
10257 can't reverse comparison.
10259 2001-01-14 Richard Henderson <rth@redhat.com>
10261 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
10262 update all call sites. Return true for all non-label constants.
10264 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
10266 * i386.c (ix86_expand_compare): Add bypass_test and second_test
10268 (ix86_expand_branch): Update.
10269 (ix86_expand_setcc): Update to handle multiple test conditions.
10270 (expand_int_movcc): Likewise.
10271 (expand_fp_movcc): Likewise.
10272 * i386-protos.h (ix86_expand_compare): New.
10273 * i386.md (andqi_?_slp, orqi_?_slp): New.
10274 (conditional trap expander): Update call to ix86_expand_compare.
10276 2001-01-14 Richard Henderson <rth@redhat.com>
10278 * config/vax/vax.md: Use nonimmediate_operand instead of
10279 general_operand in destinations.
10281 * config/vax/vax.md (indirect_jump): Use register_operand.
10283 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
10284 * config/vax/vax.md (call_pop): Turn into an expander.
10285 (call_value_pop): Likewise.
10286 (call, call_value): New.
10288 2001-01-14 Andreas Jaeger <aj@suse.de>
10290 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
10292 (ix86_fp_compare_mode): Add unused attribute.
10293 (ix86_expand_fp_movcc): Remove unused variable.
10294 (ix86_expand_builtin): Make fcode unsigned.
10296 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
10297 (expand_expr): Add cast to avoid signed warning.
10298 (store_field): Likewise.
10299 (store_constructor_field): Likewise.
10300 (store_constructor): Likewise.
10301 (store_expr): Likewise.
10302 (clear_storage): Likewise.
10303 (emit_group_store): Likewise.
10304 (emit_group_load): Likewise.
10306 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10308 * c-common.c: Move format checking code to ...
10309 * c-format.c: ... here. New file. Reorder some functions and
10311 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
10313 * c-common.h (decl_handle_format_attribute,
10314 decl_handle_format_arg_attribute): Declare.
10315 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
10316 (c-common.o): Adjust dependencies.
10317 (c-format.o): New list of dependencies.
10319 2001-01-13 Jakub Jelinek <jakub@redhat.com>
10321 * unroll.c (loop_iterations): If we cannot prove iteration variable
10322 is set once in each iteration, punt.
10324 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
10326 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
10327 (*strlenhi): Remove clobber (which was buggy) of output address.
10329 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10331 * Makefile.in (generated-manpages): Add gcc.1
10332 ($(srcdir)/gcc.1): New target.
10333 (maintainer-clean): Delete $(srcdir)/gcc.1.
10334 * gcc.texi: Add macros @gccoptlist and @gol.
10335 * invoke.texi: Include option summary in manpage. Mark up option
10336 summary with @gccoptlist and @gol. Use @r in one place where
10338 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
10339 * gcc.1: Generate from invoke.texi.
10341 2001-01-13 Richard Henderson <rth@redhat.com>
10343 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
10344 (struct page_entry): Add group member.
10345 (struct page_group): New.
10346 (struct globals): Add page_groups member.
10347 (alloc_anon): Only define for using mmap; remove valloc call.
10348 (page_group_index): New.
10349 (set_page_group_in_use): New.
10350 (clear_page_group_in_use): New.
10351 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
10352 (free_page, release_pages): Likewise.
10353 * configure.in (with-gc): Default to ggc-page always.
10355 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10357 * reload1.c (replace_pseudos_in_call_usage): Use
10358 reg_equiv_constant and reg_equiv_address, and don't try
10359 regno_reg_rtx first.
10361 2001-01-13 Richard Henderson <rth@redhat.com>
10363 * ggc-page.c (alloc_page): Round up allocation size to one page.
10364 Set e->order on extra pages.
10366 2001-01-13 Richard Henderson <rth@redhat.com>
10368 * genrecog.c (nodes_identical): Expand commentary.
10369 (write_switch): Watch out for identical nodes.
10371 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10373 * cppfiles.c (_cpp_fake_include): New function.
10374 * cpphash.h (_cpp_fake_include): New.
10375 * cpplib.c (do_line): Call _cpp_fake_include when entering
10376 header files in preprocessed input.
10377 * cppmain.c (cb_pragma_implementation): Remove handling.
10378 (setup_callbacks): Don't register pragmas.
10380 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10382 * extend.texi: Udate for CPP.
10384 2001-01-13 Andreas Jaeger <aj@suse.de>
10386 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
10388 * regmove.c: Add prototype for replace_in_call_usage.
10390 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10392 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
10393 struct cpp_chunk, struct htab, struct toklist,
10394 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
10395 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
10396 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
10397 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
10398 (struct macro_args): Delete.
10399 * cpphash.h: See above.
10401 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10403 * cppmain.c (struct printer): Remove no_line_dirs.
10404 (options, cb): New.
10405 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
10406 : Use options rather than CPP_OPTION.
10407 (setup_callbacks): Use cb rather than pfile->cb.
10408 (main): No need to check for a buffer. Use cpp_errors.
10409 (printer_init): Don't set no_line_dirs.
10410 (maybe_print_line): Use options not no_line_dirs.
10411 (cb_file_change): Don't call print_line if -P.
10413 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10415 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
10417 * c-parse.in (finish_parse): Use cpp_errors.
10418 (__yylex): Use return value of cpp_pop_buffer.
10419 * cp/lex.c (finish_parse): Use cpp_errors.
10420 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
10422 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
10424 * README.AVR: URLs corrected.
10426 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10428 * c-decl.c (start_function): Don't warn if old prototype is builtin
10429 that's not in C's namespace.
10430 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
10431 (_bb): Add prototype for ctime.
10432 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
10434 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
10436 * i386.c (ix86_fp_comparison_arithmetics_cost,
10437 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
10438 ix86_fp_comparison_cost): New functions.
10439 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
10440 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
10441 two-branch sequences; make static.
10442 (ix86_use_fcomi_compare): Do decision according to the costs.
10443 (split_fp_branch): New.
10444 * i386.md (compare-and-branch patterns): Use split_fp_branch.
10445 * i386-protos.h (ix86_expand_fp_compare): Remove
10446 (ix86_split_fp_branch): Declare.
10448 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
10449 and ix86_comparison_operator.
10451 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
10452 to make it cheaper.
10454 * i386.c (put_condition_code): Output properly the unordered/ordered
10455 compares in fp case.
10456 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
10458 * tm.texi (REVERSE_CONDITION): Document.
10459 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
10460 in -ffast-math mode.
10461 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
10463 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10465 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
10467 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
10470 * config/sh/sh.c (mova_p): Fix test for mova_const.
10472 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10474 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
10475 cpp_get_options rather than dereferencing pfile and using
10477 * scan-decls.c (scan_decls): Use return value of
10478 cpp_pop_buffer rather than CPP_BUFFER.
10480 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10482 * cppinit.c (cpp_handle_option): help_only is now part of the
10483 cpp_options structure.
10484 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
10485 cpp_set_callbacks): New functions.
10486 * cpplib.h (cpp_callbacks): Break out as a named structure.
10487 (cpp_options): Move help_only here from cpp_reader.
10488 (CPP_FATAL_ERRORS): Update to use cpp_errors.
10489 (cpp_errors, cpp_get_options, cpp_get_callbacks,
10490 cpp_set_callbacks): New prototypes.
10491 * cppmain.c (main): Update for help_only.
10493 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10495 * Makefile.in (info, maintainer-clean, install-info, uninstall):
10496 Also build and remove and install and uninstall c-tree.info and
10498 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
10499 ($(srcdir)/cppinternals.info): New target.
10500 * c-tree.texi: Change file name used when makeinfo used without -o
10501 from ir.info to c-tree.info. Add info directory entry.
10502 * cppinternals.texi: Add info directory entry.
10503 * .cvsignore: Update.
10505 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10507 * c-typeck.c (store_init_value): Don't require constant initializer
10508 elements with -pedantic -std=c99.
10509 (digest_init): Change error about non-constant initializer elements
10511 (constructor_range_end): Remove.
10512 (constructor_incremental, designator_depth,
10513 designator_errorneous): New variables.
10514 (struct constructor_stack): Remove range_end, add incremental.
10515 (struct constructor_range_stack, constructor_range_stack): New.
10516 (struct initializer_stack): Add constructor_range_stack.
10517 (finish_init): Set it.
10518 (start_init): Likewise. require_constant_elements for non-static
10519 trees only if not flag_isoc99.
10520 (really_start_incremental_init): Remove constructor_range_end, add
10521 constructor_incremental.
10522 (pop_init_level): Likewise.
10523 (push_init_level): Likewise. If implicit and the subobject had some
10524 value set already, preinitialize the level with it.
10525 Warn about missing braces only if not pushing due to designators.
10526 (set_designator, push_range_stack): New functions.
10527 (set_init_label): Use them.
10528 (set_init_index): Likewise. Remove constructor_range_end.
10529 Error if designator index is outside of array bounds.
10530 (add_pending_init): Compare values of purpose index trees, not the
10531 trees themselves. Allow overwriting of already initialized element.
10532 Issue a warning if it had side-effects.
10533 (set_nonincremental_init, set_nonincremental_init_from_string): New
10535 (pending_init_member): Rename to...
10536 (find_init_member): ...this function. Call set_nonincremental_init
10537 if necessary. Compare values of purpose index trees, not the trees
10538 themselves. Return the actual value, not just non-zero if something
10540 (output_init_element): Remove checks for duplicates.
10541 If field has zero size, only check the initializer for correctness.
10542 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
10543 if constructor_incremental is zero. Change error about initializers
10544 not computable at load time into pedwarn.
10545 (output_pending_init_elements): Compare bit positions, not
10546 FIELD_DECLs to take into account zero-sized fields.
10547 (process_init_element): Use constructor_range_stack to fill all
10548 ranges in the designator lists from current level up.
10549 * extend.texi: Update documentation for labeled elements.
10551 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
10553 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
10554 to function usage for arguments passed by reference. Optimize
10555 callee-copied arguments.
10556 * regmove.c (replace_in_call_usage): New function.
10557 (fixup_match_1): Call it.
10558 * cse.c (cse_insn): Canonicalize registers in function usage.
10559 * reload1.c (replace_pseudos_in_call_usage): New function.
10562 * Makefile.in: Reverted yesterday's wrong patch. Installed the
10565 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10567 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
10570 2001-01-12 DJ Delorie <dj@redhat.com>
10572 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
10573 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
10576 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10578 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
10579 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
10580 -std options alongside references to -ansi. Update some
10581 documentation for C99.
10582 * cpp.1: Regenerate.
10584 2001-01-12 Andreas Jaeger <aj@suse.de>
10586 * haifa-sched.c (restore_line_notes): Remove argument block B
10588 * sched-ebb.c (schedule_ebb): Change caller.
10589 * sched-rgn.c (schedule_region): Likewise.
10590 * sched-int.h (restore_line_notes): Adjust prototype.
10592 * loop.h: Remove wrong declaration of doloop_condition_get.
10594 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10596 * extend.texi: Move C++-extension-related node from the C section
10597 into the C++ section.
10599 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10601 * extend.texi: Refer to an array of pointers to functions instead
10602 of one of functions.
10604 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
10605 Jan Hubicka <jh@suse.cz>
10607 * combine.c (reversed_comparison): Fix typo in last patch.
10609 (combine_reversed_comparison_code): Make static to follow
10610 prototype declaration.
10612 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10614 * install.texi: Remove misplaced duplicate entry.
10616 2001-01-11 Ulrich Drepper <drepper@redhat.com>
10618 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
10620 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
10622 * final.c: (leaf_function_p): Fix typo.
10624 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
10626 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
10627 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10629 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
10630 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
10631 mmap_anon, and valloc is available.
10632 * ggc-page.c: Restructure ifdef logic to match new autoconf
10633 spec. Don't throw away the test page in init_ggc.
10635 * configure, config.in: Regenerate.
10637 2001-01-12 Michael Hayes <mhayes@redhat.com>
10639 * loop.h (total_biv_increment): Constify iv_class pointer.
10640 (struct induction): Replace `mem_mode' with `mem' rtx.
10641 * unroll.c (total_biv_increment): Constify iv_class pointer.
10642 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
10643 (find_mem_givs, combine_givs_p): Likewise.
10644 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
10646 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
10648 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
10650 (__gthread_getspecific): Ditto.
10652 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
10654 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
10655 put_condition_code): Convert fp comparison codes to integer
10657 (ix86_expand_fp_compare): Postnote the fp comparison code converison
10660 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
10661 * i386-protos.h (no_comparison_operator): Kill.
10663 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
10665 * combine.c (REVERSIBLE_CC_MODE): Remove.
10666 (reversible_comparison_p): Remove.
10667 (combine_reversed_comparison_code): New.
10668 (reversed_comparison): New.
10669 (combine_simplify_rtx): Use
10670 combine_reversed_comparison_code/reversed_comparison instead
10671 of reversible_comparison_p.
10672 (simplify_if_then_else): Likewise.
10673 (simplify_set): Likewise.
10674 (simplify_logical): Likewise.
10675 (if_then_else_cond): Likewise.
10676 (known_cond): Likewise.
10677 (simplify_comparison): Likewise.
10679 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
10681 * builtins.c (std_expand_builtin_va_start): Handle varargs when
10682 sizeof (int) is larger than sizeof(__word__).
10684 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10686 * cppinit.c (do_includes): Fix typo.
10688 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10690 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
10691 in S_REGS does not occur because not all sources are possible
10692 when a S_REGS is a destination (sometimes needs a clobber).
10693 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
10694 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
10695 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
10696 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
10697 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
10698 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
10699 (lshrdi_const1, lshrsi3_const16): Likewise.
10700 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
10701 (*movhi_68hc12, *movqi_68hc12): Likewise.
10702 (movstrictqi): Make sure reloading in D_REGS as a destination
10705 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10707 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10709 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10711 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
10712 -D, -U and -A, and don't initialize the builtins.
10713 (do_includes): Error if -include or -imacros with -fpreprocessed.
10714 * cppmain.c (cb_define, cb_undef): Unconditionally process
10716 * tradcpp.c (main): Fix typo.
10718 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
10720 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
10721 (read_name_map): Use IS_ABSOLUTE_PATH.
10722 * tradcpp.c (get_filename): Likewise.
10724 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10726 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
10727 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
10728 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
10729 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
10730 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
10731 (cmphi_z_used): Don't use '@' for the output.
10732 (tstqi_z_used): Likewise.
10733 (cmpqi_z_used): Likewise.
10734 (one_cmplsi2): Likewise.
10736 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10738 * config/sh/sh.c (barrier_align): Recognize branch around far
10739 branch and redundant insn.
10741 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10743 * invoke.texi: Restore documentation of the drivers' switches -MD
10746 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10748 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
10750 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
10751 check-objc//%): Support parallel testing of multilibs.
10752 (TESTSUITEDIR): Set to testsuite by default, but override for
10754 (check-gcc, check-g++, check-g77, check-objc): Enter
10757 2001-01-11 Bernd Schmidt <bernds@redhat.com>
10759 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
10760 * sched-deps.c (deps_may_trap_p): Likewise.
10761 * basic-block.h: Remove a comment.
10762 * flow.c (PROP_POSTRELOAD): Remove.
10763 (update_life_info): Don't add it to prop_flags.
10764 (mark_set_1): Lose the code that was enabled by it.
10766 2001-01-11 Michael Hayes <mhayes@redhat.com>
10768 * flow.c (flow_call_edges_add): New.
10769 * basic_block.h (flow_call_edges_add): New.
10771 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
10773 * reload1.c (move2add_note_store): Update reg_set_luid even if
10774 base reg remains the same.
10776 2001-01-10 Nick Clifton <nickc@redhat.com>
10778 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
10779 machine_function structure to zero.
10780 Add prototypes for machine_status functions.
10782 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10784 * c-common.h (CTI_VOID_LIST): Remove.
10785 (void_list_node): Likewise.
10786 * tree.h (TI_VOID_LIST_NODE): New enumeral.
10787 (void_list_node): New macro.
10788 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
10789 * config/i386/i386.c (ix86_init_builtins): Likewise.
10790 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
10792 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10794 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
10795 * cppinit.c (cpp_start_read): Update comment, remove unneeded
10797 * tradcpp.c: Include mkdeps.h.
10798 (deps, print_deps_phony_targets, deps_append, output_deps,
10799 init_dependency_output, output_deps): New.
10800 (deps_buffer, deps_allocated_size, deps_size, deps_column,
10801 deps_output): Delete.
10802 (print_deps_missing_files): Rename deps_missing_files.
10803 (inhibit_output): Make global.
10804 (main): Delete inhibit_output, deps_stream, deps_target.
10805 Use mkdeps functionality in the same way as cpplib. Remove
10806 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
10807 -M and -MM. Remove old handling of deps via deps_out, and
10808 old reading of environment variables.
10809 (get_filename): Update to use deps_add_dep.
10811 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10813 * output.h (make_function_rtl): Remove prototype.
10814 (make_decl_rtl): Likewise.
10815 * varasm.c (make_function_rtl): Remove.
10816 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
10817 than from a third parameter.
10818 * tree.h (make_decl_rtl): Remove last parameter.
10819 * c-decl.c (builtin_function): Remove last argument in call to
10820 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
10821 (start_function): Likewise.
10822 * except.c (call_get_eh_context): Likewise.
10823 * expr.c (emit_block_move): Likewise.
10824 (clear_storage): Likewise.
10825 * profile.c (output_func_start_profiler): Likewise.
10826 * toplev.c (rest_of_decl_compilation): Likewise.
10827 * objc/objc-act.c (create_builtin_decl): Likewise.
10828 (synth_module_prologue): Likewise.
10829 (generate_static_reference): Likewise.
10830 (build_selector_reference_decl): Likewise.
10831 (build_class_reference_decl): Likewise.
10832 (build_objc_string_decl): Likewise.
10833 (build_protocol_reference): Likewise.
10835 2001-01-10 Richard Henderson <rth@redhat.com>
10837 * hwint.h: Revert yesterday's change.
10839 2001-01-10 Nick Clifton <nickc@redhat.com>
10841 * function.h (save_machine_status): Delete.
10842 (restore_machine_status): Delete.
10843 Amend comment describing {init|mark|free}_machine_status.
10845 * function.c (save_machine_status): Delete.
10846 (restore_machine_status): Delete.
10847 Amend comment describing {init|mark|free}_machine_status.
10848 (push_function_context_to): Remove invocation of
10849 save_machine_status.
10850 (pop_function_context_from): Remove invocation of
10851 restore_machine_status.
10853 * emit-rtl.c (init_emit_once): Amend comment describing
10854 {init|mark|free}_machine_status.
10856 * tm.texi (Per-Function Data): New node. Describe the
10857 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
10860 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10862 * cppinit.c (OPT_g): Remove.
10863 (cpp_handle_option): Update for removed -g3.
10864 (print_help): Update.
10865 * cpplib.h (struct cpp_options): Remove debug_output.
10866 * cppmain.c (setup_callbacks, cb_define): Update.
10867 * gcc.c (cpp_options): Translate -g3 to -dD.
10869 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
10871 * config/i960/i960.md: Change modifier to + on the zero_extract
10872 pattern after the (rotate -2 reg) canonicalization pattern.
10874 2001-01-10 Richard Henderson <rth@redhat.com>
10876 * config/alpha/alpha.c (alpha_free_machine_status): New.
10877 (override_options): Install it.
10878 (alpha_mark_machine_status): Verify machine non-null.
10879 * config/i386/i386.c (ix86_free_machine_status): New.
10880 (override_options): Install it.
10881 (ix86_init_machine_status): Use xcalloc.
10882 (ix86_mark_machine_status): Verify machine non-null.
10883 * config/ia64/ia64.c (ia64_free_machine_status): New.
10884 (ia64_override_options): Install it.
10885 (ia64_mark_machine_status): Verify machine non-null.
10887 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
10889 * function.c (instantiate_virtual_regs): Instantiate virtual
10890 registers found in CALL_INSN_FUNCTION_USAGE.
10892 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10894 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
10895 equivalent to -ansi in disabling -Di386.
10897 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
10899 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
10901 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
10903 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
10905 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
10907 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10909 * invoke.texi: Document that -fcond-mismatch isn't supported for
10912 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10914 * gcc.texi: Define macro gcctabopt.
10915 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
10916 @command, @env and @option in some places where appropriate. Use
10917 @gcctabopt where appropriate. Put URLs and email addresses inside
10920 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
10922 * gcc.c (cpp_options): Set MD file name from output
10923 filename, if specified.
10924 (suffix_subst): New static variable.
10925 (do_spec): Clear it.
10926 (do_spec_1, case '.'): Handle new `%.suffix' spec.
10928 (give_switch): Handle suffix_subst.
10930 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10932 * invoke.texi: Fix another typo.
10934 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10936 * invoke.texi: Fix typo.
10938 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10940 * c-lang.c (lang_hooks): Update.
10941 (lang_decode_option): Remove.
10942 (lang_init_options): Rename c_init_options.
10943 * toplev.c (main): Use lang_hooks for lang_init_options
10944 and lang_decode_option.
10945 * toplev.h (lang_hooks): Add 2 new hooks.
10946 * tree.h: Remove lang_init_options and lang_decode_option.
10947 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
10948 * cp/decl2.c: Similarly.
10949 * cp/lex.c (lang_init_options): Rename cxx_init_options.
10950 (lang_hooks): Update.
10951 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
10953 (lang_init_options): Rename ffe_init_options.
10954 (lang_hooks): Update.
10955 (lang_decode_option): Remove.
10956 * java/lang.c (lang_init_options): Rename java_init_options.
10957 (lang_decode_option): Rename java_decode_option.
10958 (lang_hooks): Update.
10959 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
10960 (lang_decode_option): Rename objc_decode_option.
10961 (lang_hooks): Update.
10963 2001-01-09 Nick Clifton <nickc@redhat.com>
10965 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
10966 (d30v_return_addr_rtx): Delete.
10967 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
10968 cfun->machine structure.
10969 (struct machine_function): Move to d30v.h
10970 (d30v_save_machine_status): Delete.
10971 (d30v_restore_machine_status): Delete.
10972 (d30v_init_machine_status): New Function.
10973 (d30v_mark_machine_status): New Function.
10974 (d30v_free_machine_status): New Function.
10975 (d30v_init_expanders): Use new functions.
10976 (d30v_return_addr): Use ra_rtx field in cfun->machine.
10977 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
10978 d30v_return_addr_rtx.
10980 * config/d30v/d30v.h (struct_machine): Move here.
10981 Add eh_epilogue_sp_ofs field.
10983 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
10984 field in cfun->machine structure.
10986 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
10988 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
10989 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
10990 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10992 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
10994 * objc/lang-options.h: Remove bogus reference to
10997 2001-01-09 Kazu Hirata <kazu@hxi.com>
10999 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
11002 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
11004 * reload.c (find_reloads_address): Check for eliminable registers
11005 when substituting a constant expression for a pseudo.
11007 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
11009 * c-common.c (enum format_type): Add format_type_error.
11010 (decode_format_type): New function.
11011 (decl_attributes): Use it.
11012 (format_kind_info): Adjust comment.
11014 2001-01-09 David O'Brien <obrien@BSDi.com>
11016 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
11017 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
11019 * config/i386/gnu.h: Don't include required platform specific .h files,
11020 tm.h will do it instead.
11021 * config/i386/i386elf.h: Likewise.
11022 * config/i386/linux.h: Likewise.
11023 * config/i386/moss.h: Likewise.
11024 * config/mips/gnu.h: Likewise.
11026 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11028 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
11029 (rs6000-ibm-aix3.[01]*): Likewise.
11030 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
11031 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
11032 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
11033 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
11034 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
11035 (powerpc-*-eabiaix*): Likewise.
11036 (powerpc-*-eabisim*): Likewise.
11037 (powerpc-*-elf*): Likewise.
11038 (powerpc-*-eabi*): Likewise.
11039 (powerpc-*-rtems*): Likewise.
11040 (powerpc-*-linux*libc1): Likewise.
11041 (powerpc-*-linux*): Likewise.
11042 (powerpc-wrs-vxworks*): Likewise.
11043 (powerpcle-wrs-vxworks*): Likewise.
11044 (powerpcle-*-sysv*): Likewise.
11045 (powerpcle-*-elf*): Likewise.
11046 (powerpcle-*-eabisim*): Likewise.
11047 (powerpcle-*-eabi*): Likewise.
11048 (powerpcle-*-solaris2*): Likewise.
11049 * config/rs6000/aix31.h: Delete includes.
11050 * config/rs6000/aix3newas.h: Likewise.
11051 * config/rs6000/aix41.h: Likewise.
11052 * config/rs6000/aix43.h: Likewise.
11053 * config/rs6000/beos.h: Likewise.
11054 * config/rs6000/rtems.h: Likewise.
11055 * config/rs6000/sysv4.h: Likewise.
11057 2001-01-09 Kazu Hirata <kazu@hxi.com>
11059 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
11060 Change an argument mode of machine_mode to shift_mode of
11061 shift_mode. Remove an extra error check.
11062 (emit_a_shift): Adopt to the new calling prototype of
11064 (function_prologue): Fix code for a monitor
11065 function. Support H8/S.
11066 (function_epilogue): Do not output pop for a monitor function.
11068 2001-01-09 Nick Clifton <nickc@redhat.com>
11070 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
11071 (setup_incoming_varargs): Use sysv_varargs_p field of the
11072 cfun->machine structure.
11073 (struct machine_function): Move to rs6000.h
11074 (rs6000_save_machine_status): Delete.
11075 (rs6000_restore_machine_status): Delete.
11076 (rs6000_init_machine_status): New Function.
11077 (rs6000_free_machine_status): New Function.
11078 (rs6000_init_expanders): Use new functions.
11080 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
11082 (struct machine_function): Move here.
11084 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
11085 sysv_varargs_p field of the cfun->machine structure.
11087 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
11089 (rs6000_restore_machine_status): Remove prototype.
11091 2001-01-09 Richard Henderson <rth@redhat.com>
11093 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
11094 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
11095 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
11096 (sched_analyze_2, sched_analyze_insn): Likewise.
11097 (sched_analyze, init_deps): Likewise.
11098 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
11099 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
11100 (compute_block_backward_dependences): Update propagate_deps call.
11102 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
11104 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
11106 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11108 * cppinit.c (OPT_MD, OPT_MMD): Restore.
11109 (cpp_handle_option): Handle them.
11110 (cpp_post_options): Ensure one of -M or -MM is specified with
11111 any other -M? option.
11112 (init_dependency_output): Suppress output with -MG.
11114 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11116 * cpp.texi: Update.
11117 * invoke.texi: Update.
11119 2001-01-09 Bernd Schmidt <bernds@redhat.com>
11121 * sh.md (reload_outsf): Generate recognizable patterns for
11124 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11126 * c-lang.c (lang_hooks): Update.
11127 (lang_init): Rename c_init.
11128 (lang_finish): Remove.
11129 * toplev.c (compile_file): Use lang_hooks for lang_init ()
11130 and lang_finish ().
11131 * toplev.h (lang_hooks): Add init () and finish ().
11132 * tree.h (lang_init, lang_finish): Remove.
11133 * cp/tree.h (lang_init, lang_finish): Remove.
11134 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
11135 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
11137 (lang_init, lang_finish): Remove.
11138 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
11139 (lang_hooks): Update.
11140 * java/lang.c (lang_init): Rename java_init.
11141 (lang_finish): Remove.
11142 (lang_hooks): Update.
11143 * objc/objc-act.c (lang_init): Rename objc_init.
11144 (lang_finish): Remove.
11145 (lang_hoooks): Update.
11147 20001-01-09 Graham Stott <grahams@redhat.com>
11149 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
11150 after `ptr` is initialised.
11152 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11154 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
11155 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
11156 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
11157 stack adjusts, instead of r3.
11159 2001-01-09 Michael Hayes <mhayes@redhat.com>
11161 * flow.c (flow_loop_scan): Break out of ...
11162 (flow_loops_find) ... here.
11163 * basic-block.h (flow_loop_scan): New.
11164 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
11165 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
11167 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11169 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
11171 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
11172 realloc()ing macro_buffer.
11174 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
11175 if it's wider than long and the target's long is wider than the
11178 2001-01-09 Mark Mitchell <mark@codesourcery.com>
11180 Remove support for using UWIN as a host machine.
11181 * configure.in: Issue an error message.
11182 * configure: Regenerated.
11183 * config.gcc: Remove xm_* UWIN configury.
11184 * config/i386/xm-uwin.h: Remove.
11186 2001-01-08 Nick Clifton <nickc@redhat.com>
11188 * config/v850/v850.c (ra_rtx): Delete.
11189 (v850_save_machine_status): Delete.
11190 (v850_restore_machine_status): Delete.
11191 (v850_init_machine_status): New function.
11192 (v850_mark_machine_status): New function.
11193 (v850_free_machine_status): New function.
11194 (v850_return_addr): Use ra_rtx field in machine structure.
11195 (v850_init_expanders): Use new functions.
11197 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
11198 * config/v850/v850.c: Change arguments to v850_output+* functions
11199 to take a const char *, to avoid compile time warning.
11200 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
11201 (USER_LABEL_PREFIX): Redefine.
11203 2000-01-08 Jim Wilson <wilson@redhat.com>
11205 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
11206 1 to unsigned HOST_WIDE_INT before left shift.
11208 2001-01-08 Nick Clifton <nickc@redhat.com>
11210 * config/arm/arm.c (arm_mark_machine_status): Check to see if
11211 the machine structure has been allocated.
11212 (arm_free_machine_status): New function: Free the machine
11213 specific function structure.
11215 2001-01-08 Richard Henderson <rth@redhat.com>
11217 * jump.c (simplejump_p): Revert last change.
11219 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
11221 * cppinit.c (init): Rename init_library.
11222 (cpp_create_reader): Update.
11223 * gcc.c (cpp_options): If -o given, use it as the target of
11226 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11228 * arm.c (arm_arch5e): New variable.
11229 (all_cores): XScale is a 5TE device.
11230 (arm_override_options): Set arm_arch5e.
11231 (arm_init_builtins): __builtin_prefetch is in arch5e.
11232 * arm.h (arm_arch5e): Declare it.
11234 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
11236 * arm.md (define_constants): Add defines for UNSPEC and
11237 UNSPEC_VOLATILE insns. Update all users.
11238 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
11239 * arm.c (multi_register_push, note_invalid_constants)
11240 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
11241 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
11242 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
11244 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
11246 * jump.c (jump_optimize_1): Use reversed_comparison_code
11247 instead of can_reverse_comparison_p.
11248 (jump_back_p): Likewise.
11249 (invert_exp_1): Likewise.
11250 (thread_jumps): Likewise.
11251 * simplify-rtx.c (simplify_unary_operation): Likewise.
11252 (simplify_ternary_operation): Likewise.
11253 * cse.c (find_comparison_args): Convert to use
11254 can_reverse_comparison_p.
11255 (record_jump_equiv): Likewise.
11257 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11259 * arm.h (HARD_REGNO_RENAME_OK): Delete.
11260 (EPILOGUE_USES): Define.
11261 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
11262 automatically stack the LR if it isn't live.
11264 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
11266 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
11269 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
11271 * ggc-page.c (max_alignment): New structure.
11272 (MAX_ALIGNMENT): New macro.
11273 (init_ggc): Use it to round up the sizes in the
11274 extra_order_size_table.
11276 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11278 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
11281 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11283 * builtins.def (BUILT_IN_FPRINTF): New entry.
11285 * c-common.c (c_expand_builtin_fprintf): New function.
11286 (init_function_format_info): Handle __builtin_fprintf.
11287 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
11288 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
11290 * c-decl.c (duplicate_decls): Adjust comment.
11292 * extend.texi (fprintf): Document new builtin.
11294 2001-01-07 Richard Henderson <rth@redhat.com>
11296 * jump.c (simplejump_p): Recognize any single_set jump
11297 of the proper form.
11299 2001-01-07 Richard Henderson <rth@redhat.com>
11301 * configure.in (slibdir): Accept an --with-slibdir option.
11302 Use "test" not "[" in configure. Default to $(libdir).
11304 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
11306 * config/t-aix43 (SHLIB_INSTALL): Likewise.
11307 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
11308 (SHLIB_LINK): Create links for the soname.
11309 * config/mips/t-iris6: Likewise.
11310 * config/sparc/t-slibgcc: Likewise.
11311 * config/sparc/t-slibgcc-sld: Likewise.
11313 2001-01-07 Jakub Jelinek <jakub@redhat.com>
11315 * config/i386/i386.c (constant_call_address_operand): Accept
11316 (const (plus (symbol_ref) (const_int))).
11317 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
11318 constant_call_address_operand.
11320 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11322 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
11323 and LONG_LONG_TYPE_SIZE > 32.
11325 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11327 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
11328 the previous change.
11330 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
11332 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
11334 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
11335 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
11336 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
11339 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11341 * fix-header.c (read_scan_file): s/pfile/scan_in/.
11343 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11345 * c-lang.c (c_post_options): Call cpp_post_options.
11346 * objc/objc-act.c (objc_post_options): Similarly.
11347 * cppmain.c (main): Similarly.
11348 * fix-header.c (read_scan_file): Similarly.
11349 * cppinit.c (cpp_start_read): Move option consistency checks
11350 to cpp_post_options. Don't call init_dependency_output.
11351 If needed, add default target and main file dependency.
11352 (OPT_MD, OPT_MMD): Remove.
11354 (cpp_handle_option): Update for OPT_* changes.
11355 (cpp_post_options): New.
11356 (init_dependency_output): Command line -MF overrides environment
11357 variables. Don't set default target etc. Suppress output
11358 if dependencies are going to stdout.
11359 (print_help): Update.
11360 * cpplib.h (cpp_post_options): New.
11361 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
11363 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
11365 * jump.c (comparison_dominates_p): Support unordered compares.
11367 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
11369 * simplify-rtx.c (simplify_relational_operation): Always simplify
11370 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
11373 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
11375 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
11376 (nonzero_bits): Likewise.
11377 (simplify_comparison): Likewise.
11378 (num_sign_bit_copies): Likewise; return more sane value depending
11379 on STORE_FLAG_VALUE.
11380 (known_cond): Do not assume EQ to be always true for equivalent
11383 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
11385 * cse.c (fold_rtx): Handle unordered comparisons.
11387 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
11389 * rtlanal.c (set_of_1): New static function.
11390 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
11391 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
11392 reg_set_last_last_regno): Remove.
11393 (set_of): New global function.
11394 (set_of_data): New structure.
11395 (reg_set_p, reg_set_last): Revamp for set_of.
11396 * rtl.h (set_of): New.
11398 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
11400 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
11401 * extend.texi: Document _Exit builtin.
11403 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11405 * (initialize, initialize_builtins,
11406 initialize_dependency_output, initialize_standard_includes):
11407 Rename s/initialize/init. Update.
11408 (init_dependency_output): Move to after
11409 cpp_handle_options, the correct location temporally at least.
11410 (opt_comp): Move next to init (), its caller. Fix prototype.
11411 (init): Make "initialized" local scope.
11412 (cpp_create_reader): Always call init ().
11413 (cpp_start_read): Update.
11414 (output_deps): New function, broken out of cpp_finish.
11415 (cpp_finish): Break out output_deps.
11417 2001-01-07 Richard Henderson <rth@redhat.com>
11419 * collect2.c (COFF specific stuff): Revert 12-06 patch
11420 to prototype system functions.
11422 2001-01-07 Michael Hayes <mhayes@redhat.com>
11424 * hard-reg-set.h: Add multiple include guard.
11425 * basic-block.h (struct loop): Add `sink' field.
11426 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
11427 (emit_iv_add_mult): Delete.
11428 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
11429 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
11430 (unroll_loop): Remove end_insert_before argument.
11431 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
11432 (maybe_eliminate_biv_1): Likewise.
11433 (emit_iv_add_mult): Delete.
11434 (gen_add_mult, loop_regs_update): New.
11435 (loop_insn_emit_after, loop_insn_emit_before): New.
11436 (loop_insn_sink, loop_insn_sink_or_swim): New.
11437 (emit_iv_add_mult): Delete.
11438 (scan_loop): Set loop->sink.
11439 (loop_givs_reduce): Use loop_insn_sink and its ilk.
11440 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
11441 (maybe_eliminate_biv_1): Likewise.
11442 (maybe_eliminate_biv_1): Add basic block argument.
11443 * unroll.c (unroll_loop): Remove end_insert_before argument.
11444 (find_splittable_regs): Likewise.
11445 (find_splittable_regs): Use loop_insn_sink and its ilk.
11446 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
11448 2001-01-07 Michael Hayes <mhayes@redhat.com>
11450 * loop.h (loop_insn_hoist): New prototype.
11451 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
11452 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
11453 (check_dbra_loop, load_mems): Likewise.
11454 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
11455 (find_splittable_givs): Likewise.
11457 2001-01-07 Michael Hayes <mhayes@redhat.com>
11459 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
11461 2001-01-07 Richard Henderson <rth@redhat.com>
11463 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
11465 2001-01-07 Richard Henderson <rth@redhat.com>
11467 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
11468 NO_SHARED_LIBGCC_MULTILIB as required for the target.
11469 * gcc.c (init_spec): Massage the existing libgcc_spec into a
11470 variant that handles a shared libgcc.
11471 (process_command): Always validate -{static,shared}-libgcc.
11472 (do_spec_1): New 'M' case.
11473 * invoke.text (Link Options): Document -{static,shared}-libgcc.
11475 2001-01-07 Richard Henderson <rth@redhat.com>
11477 * Makefile.in (slibdir): New variable.
11478 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
11479 (installdirs): Create slibdir.
11480 (install-libgcc, install-multilib): Defer to libgcc.mk.
11481 * configure.in (slibdir): Substitute.
11482 * mklibgcc.in (install): New target.
11484 * config/t-linux (SHLIB_LINK): Create links for the soname.
11485 (SHLIB_INSTALL): New.
11486 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
11487 * config/mips/t-iris6 (SHLIB_INSTALL): New.
11488 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
11489 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
11490 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
11492 2001-01-07 Richard Henderson <rth@redhat.com>
11494 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
11495 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
11496 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
11498 2001-01-07 Michael Hayes <mhayes@redhat.com>
11500 * loop.c (count_loop_regs_set): Delete.
11501 (load_mems_and_recount_loop_regs_set): Delete.
11502 (loop_regs_scan): Merge common code from count_loop_regs_set,
11503 scan_loop, and load_mems_and_recount_loop_regs_set.
11504 (scan_loop): Call load_mems directly and loop_regs_scan
11505 again if new registers created.
11507 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11509 * toplev.c (main): Call the front-end specific post_options
11510 hook if one is given.
11511 * toplev.h (struct_lang_hooks, lang_hooks): New.
11512 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
11513 for the C front end.
11514 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
11515 lang_hooks for the C++ front end.
11516 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
11517 lang_hooks for the ObjC front end.
11518 * f/com.c (lang_hooks): Hooks for the Fortran front end.
11519 * java/lang.c (lang_hooks): Hooks for the Java front end.
11521 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11523 * c-lex.c (init_c_lex): Request #define / #undef callbacks
11524 for verbose DWARF[2] debugging.
11525 (cb_define, cb_undef): The new callbacks.
11526 * toplev.h (debug_define, debug_undef): Make const correct.
11527 * toplev.c (debug_define, debug_undef): Similarly. Do not
11528 perform the verbosity tests here anymore.
11530 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
11532 * reload.c (subst_reloads): Take INSN argument. When
11533 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
11534 * reload.h (subst_reloads): Adjust prototype.
11535 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
11536 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
11537 present in JUMP_INSNs and copy them to JUMP_LABEL.
11538 * flow.c (find_label_refs, find_basic_blocks_1): Skip
11539 JUMP_INSNs and insns with REG_LABELs that are followed by
11540 JUMP_INSNs with the same REG_LABEL.
11541 * sched-rgn.c (is_cfg_nonregular): Likewise.
11542 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
11544 * unroll.c (unroll_loop): Look for REG_LABEL notes in
11546 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
11548 2001-01-06 Richard Henderson <rth@redhat.com>
11550 * loop.c (scan_loop): Use xcalloc for the regs array.
11551 (load_mems_and_recount_loop_regs_set): Zero the new memory
11552 received from xrealloc.
11554 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
11556 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
11558 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
11560 * integrate.c (copy_rtx_and_substitute): When copying
11561 an ignored return value, strip REG_FUNCTION_VALUE_P.
11563 2001-01-06 Michael Hayes <mhayes@redhat.com>
11565 * loop.c (debug_biv, debug_giv): New.
11566 (loop_biv_dump): Break out from ...
11567 (record_biv): ... here.
11568 (loop_giv_dump): Break out from ...
11569 (record_giv): ... here.
11570 (loop_bivs_check): Use print_simple_rtl.
11571 * unroll.c (loop_iterations): Use print_simple_rtl.
11573 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
11575 * pa.md (return, return_internal): Modify patterns to prevent regrename
11576 mucking with the return pointer.
11578 2001-01-05 Richard Henderson <rth@redhat.com>
11580 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
11582 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
11584 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
11585 version supplied by Matteo Frigo.
11587 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11589 * cpp.texi: Update for -MQ.
11590 * cppinit.c (cpp_create_reader): Always create pfile->deps.
11591 (cpp_cleanup): Always free pfile->deps.
11592 (initialize_dependency_output): Don't create pfile->deps.
11593 (cpp_handle_option): Similarly.
11595 * gcc.c (cpp_options): Handle -MQ.
11596 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11597 * mkdeps.c (base_name): Remove.
11598 (deps_init): Don't allocate vector space until it's needed.
11599 (deps_free): Only free vectors if allocated.
11600 (deps_add_target, deps_add_dep): Update for initial allocation.
11601 (deps_add_default_target): Don't strip to the base_name.
11603 2001-01-05 DJ Delorie <dj@redhat.com>
11605 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
11606 (INIT_EXPANDERS): Define.
11608 * config/v850/v850.c (struct machine_function): Define.
11609 (v850_save_machine_status): New function.
11610 (v850_restore_machine_status): New function.
11611 (v850_return_addr): New function.
11612 (v850_init_expanders): New function.
11614 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
11615 and v850_init_expanders.
11617 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11619 * cpplib.h (struct cpp_reader): Add help_only field.
11620 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
11621 (cpp_handle_option): Set pfile->help_only if we see -h,
11622 --help, -target-help, or --version. Print version string but
11623 do not set help_only if we see -v or -version. Make text
11624 printed by -v match that printed by (-)-version.
11626 * cppmain.c (main): Exit after option parsing if
11627 pfile->help_only is true.
11629 * toplev.c (independent_decode_option): Call print_version,
11630 then exit, if we see --version (but not -version).
11631 (print_version): Split lengthy message into two lines.
11633 2001-01-05 Nick Clifton <nickc@redhat.com>
11635 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
11636 temporary string for initialisation before calling ggc_alloc_string.
11638 2001-01-06 Michael Hayes <mhayes@redhat.com>
11640 * rtl.h (print_simple_rtl): New.
11641 * print-rtl.c (print_simple_rtl): New.
11642 (flag_simple): New.
11643 (print_rtx): Disable printing of flags and modes, etc.,
11644 if `flag_simple` nonzero.
11646 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11648 * function.c (fixup_var_refs): Use push_to_full_sequence where
11651 2001-01-05 Michael Meissner <meissner@redhat.com>
11653 * flags.h (flag_reorder_blocks): Add declaration.
11654 (flag_rename_block): Ditto.
11656 2001-01-05 DJ Delorie <dj@redhat.com>
11658 * function.c (reorder_blocks): Make sure the flags are all reset
11659 before using them to mark blocks, else a second invocation will
11660 corrupt the block chain.
11661 (reorder_blocks_0): New, resets the flags.
11663 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
11665 * cse.c (find_comparison_args): Stop if the argument is known to
11668 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11670 * config/sh/sh.md (movdf): When splitting load into pair of
11671 registers, don't clobber the register used in the address too
11674 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
11676 * varasm.c (mark_constant_pool): Improve initial comments.
11677 (mark_constants): Move marking of constants to mark_constant.
11678 (mark_constant): New function to recursively mark all constants
11679 referred to by a constant.
11681 2001-01-05 Catherine Moore <clm@redhat.com>
11683 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
11685 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11687 * cp/lang-options.h: Bring comment in line with reality.
11688 * f/lang-options.h: Likewise.
11689 * java/lang-options.h: Likewise.
11690 * objc/lang-options.h: Likewise.
11691 * ch/lang-options.h: Likewise.
11692 * f/g77.texi: And update the manual.
11694 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
11695 Denis Chertykov <denisc@overta.ru>
11697 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
11698 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
11699 * config/avr/avr.md (all peepholes that request a scratch register):
11700 Call it, FAIL the peephole if not safe (in interrupt functions).
11702 2001-01-05 Mark Mitchell <mark@codesourcery.com>
11704 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
11706 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
11708 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
11710 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
11711 BUILT_IN_CREAL and BUILT_IN_CIMAG.
11712 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
11713 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
11714 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
11716 * extend.texi: Document these builtins.
11718 2001-01-05 Daniel Berlin <dberlin@redhat.com>
11720 * c-common.c (lang_get_alias_set): Say we know nothing of
11721 VECTOR_TYPE aliasing.
11723 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
11725 2001-01-05 Bruce Korb <bkorb@gnu.org>
11727 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
11728 their x* equivalent versions for atexit-less systems
11729 * fixinc/fixincl.c(main): do not return from main() on atexit-less
11730 systems (or any other system any more).
11732 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
11734 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
11735 output operands. Use arm_hard_register_operand for operand 4.
11736 (stmsi_postinc): Similarly.
11737 (ldmsi): Use arm_hard_register_operand for opernand 2.
11738 (stmsi): Similarly.
11739 * arm.c (arm_hard_register_operand): New function.
11740 * arm-protos.h (arm_hard_register_operand): Prototype it.
11742 * arm.h (HARD_REGNO_RENAME_OK): Define.
11744 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
11746 * simplify-rtx.c (cfc_args): add "unordered" field.
11747 (check_fold_consts): Set unordered field.
11748 (simplify_relational_operation): Simplify the unordered
11751 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
11754 * emit-rtl.c (try_split): Fix code to mark labels.
11755 * jump.c (mark_jump_label): Make global.
11756 * rtl.h (mark_jump_label): Declare.
11758 * predict.c (estimate_probability): Handle unordred comparisons.
11760 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11762 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
11763 * cppinit.c (initialize_dependency_output): Update.
11764 (cpp_finish): Output dummy targets for -MP.
11766 (cpp_handle_option): Handle -MP. Don't quote -MT options.
11767 * cpplib.h (struct cpp_options): Add deps_phony_targets.
11768 * gcc.c (cpp_options): Update to handle -MP.
11769 * mkdeps.c (deps_add_target, deps_add_default_target): Update
11770 to quote only the default target.
11771 (deps_phony_targets): Insert a preceding newline. Rename from
11772 deps_dummy_targets for consistency.
11775 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11777 * calls.c (emit_library_call_value_1): Support
11778 INIT_CUMULATIVE_LIBCALL_ARGS.
11779 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
11781 2001-01-04 Richard Henderson <rth@redhat.com>
11783 * c-decl.c (finish_struct): Detect flexible array members
11784 used in an inappropriate context.
11785 * c-typeck.c (really_start_incremental_init): Special case
11786 constructor_max_index for zero length arrays.
11787 (pop_init_level): Allow initialization of flexible array
11788 members. Deprecate initialization of zero length arrays.
11789 Don't issue missing initializer warning for flexible array
11790 members or zero length arrays.
11791 (process_init_element): Don't dereference null DECL_SIZE.
11792 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
11793 Don't abort for empty constructors. Use size_binop
11794 (output_constructor): Add commentary regarding zero length
11795 array futures. Abort if we try to initialize an array of
11796 unspecified length with a non-empty constructor in the middle
11799 * extend.texi (Zero Length): Update and clarify documentation
11800 on static initialization.
11802 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11804 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
11805 with more than 32767 words of local storage.
11807 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11809 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
11810 for 'abs', 'labs', and 'fabs'.
11811 (c4x_expand_builtin): Likewise.
11812 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
11814 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11816 * config/sh/sh.md (prget, prset): New insn types.
11817 (return delay slot): Dont' allow prset.
11818 (call, sfunc delay slot): Don't allow prget.
11819 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
11820 for prset and prget.
11822 2001-01-05 Michael Hayes <mhayes@redhat.com>
11824 * loop.h (struct loop_reg): New.
11825 (struct loop_regs): Change to use array of `struct loop_reg'.
11826 * loop.c: Replace assortment of varrays with single regs array.
11827 (count_one_set): Delete may_not_move array argument
11828 and use regs array instead. All caller's changed.
11829 (count_loop_regs_set): Delete may_not_move and single_usage
11830 arguments and use regs array instead. All caller's changed.
11831 (find_single_use_in_loop): Replace usage array argument with pointer
11832 to regs structure. All caller's changed.
11833 (loop_optimize): Delete `moved_once' array.
11835 2001-01-05 Michael Hayes <mhayes@redhat.com>
11837 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
11838 Use it instead of loop_info->has_call for scanning loop mems.
11839 (check_dbra_loop): Replace loop_info->has_call test with
11840 loop_info->has_nonconst_call.
11842 2000-01-04 Matthew Hiller <hiller@redhat.com>
11844 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
11847 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11849 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
11850 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
11852 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11854 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
11855 (flag_short_double, flag_short_wchar): Define.
11856 (c_common_nodes_and_builtins): Create many tree nodes shared
11857 between C and C++ here instead of in cp/decl.c and ...
11858 * c-decl.c (init_decl_processing): ... here.
11859 (SIZE_TYPE, WCHAR_TYPE): Don't define.
11860 (flag_short_double, flag_short_wchar): Don't define.
11861 (record_builtin_type): New function.
11862 (build_void_list_node): New function.
11863 * c-common.h (flag_short_double, flag_short_wchar,
11864 record_builtin_type, build_void_list_node): Declare.
11866 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
11868 * integrate.c (expand_inline_function): Don't put a virtual
11869 register into the reg map.
11871 * function.c (fixup_var_refs_1): If force_operand didn't put
11872 the address into the target, move it there.
11874 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11876 Special-case tree_decl/tree_list allocations.
11877 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
11878 (OBJECT_SIZE): New macro.
11879 (NUM_EXTRA_ORDER): Likewise.
11880 (extra_order_size_table): New variable.
11881 (NUM_ORDERS): New macro.
11882 (objects_per_page_table): New variable.
11883 (object_size_table): New variable.
11884 (G.pages): Use NUM_ORDERS to bound the array.
11885 (G.page_tails): Likewise.
11886 (DIV_ROUND_UP): Remove.
11887 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
11888 (alloc_page): Use OBJECT_SIZE.
11889 (size_lookup): Don't make it const.
11890 (ggc_alloc): Use OBJECT_SIZE.
11891 (ggc_set_mark): Likewise.
11892 (ggc_get_size): Likewise.
11893 (init_ggc): Set up the object_size_table, objects_per_page_table,
11894 and adjust size_lookup.
11895 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
11896 (ggc_pop_context): Use NUM_ORDERS.
11897 (clear_marks): Likewise.
11898 (sweep_pages): Likewise.
11899 (poison_pages): Likewise.
11900 (ggc_print_statistics): Use OBJECT_SIZE.
11902 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11904 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
11905 Only call array_size_for_constructor if last field and array type
11906 with no upper bound.
11908 2001-01-04 Philip Blundell <philb@gnu.org>
11910 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
11911 from bit 31 downwards, if this requires no more insns.
11912 (count_insns_for_constant): New helper function for above.
11914 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
11916 * gencodes.c (output_predicate_decls): Remove empty initializer.
11918 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11920 * tree.c (copy_node): Remove documentation about obstacks.
11921 (buidl1): Check that nobody tries to build 2-argument nodes this
11924 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11926 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
11929 * gencodes.c (output_predicate_decls): Fill empty initializer
11932 2001-01-04 Jakub Jelinek <jakub@redhat.com>
11934 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
11935 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
11937 (do_include): Handle missing headers like cpp0.
11938 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
11939 paths with first include pathname. Don't strcat to uninitialized
11942 2001-01-04 Bernd Schmidt <bernds@redhat.com>
11944 * regrename.c (regrename_optimize): Don't rename from frame pointer
11945 if frame_pointer_needed.
11946 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
11947 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
11948 (ia64_reorg): Use it instead of scheduling if ! optimize.
11949 (errata_emit_nops): Properly call asm_noperands.
11950 (ia64_sched_reorder): Finish cycle if we see an asm.
11951 (ia64_variable_issue): Clear scheduling state after asms.
11953 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
11955 * cpp.texi: Update for -MT.
11956 * cppinit.c (initialize_dependency_output): Add a default
11957 target if none has been given already.
11958 (no_tgt, OPT_MT): New.
11959 (cpp_handle_option): Handle -MT. Update -M etc.
11960 * cpplib.h (struct cpp_options): Remove deps_target.
11961 * gcc.c (cpp_options): Handle -MT.
11962 * mkdeps.c (struct deps): Move from mkdeps.h.
11963 (deps_calc_target): Rename deps_add_default_target. Add a
11964 default target if none has been specified already.
11965 * mkdeps.h (struct deps): Move to mkdeps.c.
11966 (deps_calc_target): Rename deps_add_default_target.
11968 2000-01-03 Richard Henderson <rth@redhat.com>
11970 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
11972 * c-typeck.c (push_init_level): Move checks for flexible array
11973 members and zero length arrays ...
11974 (pop_init_level): ... here. Silently discard empty initializations.
11976 * varasm.c (output_constructor): Update for sizeof change to
11977 zero-length arrays.
11979 * extend.texi (Zero Length): Clarify semantics.
11981 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11983 * configure.in (tm.h): Include isns-codes.h last.
11984 * configure: Rebuilt.
11986 2001-01-03 Richard Henderson <rth@redhat.com>
11988 * config/alpha/alpha.md (addvsi3, addvdi3): New.
11989 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
11991 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11993 * tradcpp.c (main): Make sure finclude() is called with a valid
11994 indepth value while handling -include.
11996 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11998 * gencodes.c (output_predicate_decls): New function.
12000 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
12001 even if it is not the first time machmode.h is #included.
12002 * config/sh/sh.c (fpul_operand): Declare MODE argument.
12003 * tm.texi (PREDICATE_CODES): Document predicate declarations.
12004 * gcc.texi (Copyright): Added 2001.
12006 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12008 * c-common.c (c_common_lang_init): New function. Warn if format
12009 warning options which only have effects when used with -Wformat
12010 are used without -Wformat.
12011 * c-common.h (c_common_lang_init): Declare.
12012 * c-lang.c (lang_init): Call c_common_lang_init.
12013 * objc/objc-act.c (lang_init): Call c_common_lang_init.
12015 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12017 * configure.in: Check for the mktemp command.
12018 * configure: Regenerate.
12019 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
12020 $TEMP. Create temporary files with mktemp, if available at
12021 configure time; otherwise use set -C. Remove temporary files
12024 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12026 * configure.in: Require at least texinfo 4.0. Check for whether
12027 Pod::Man is sufficiently recent to regenerate GCC manpages.
12028 * configure: Regenerate.
12029 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
12031 (GENERATED_MANPAGES): Define.
12032 (generated-manpages): New target. Depend on cpp.1 as well as
12034 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
12035 configure to generated-manpages or empty) rather than on the
12036 manpages directly. Remove execute permission from installed
12037 gcov.1 as well as cpp.1.
12038 * cpp.1, gcov.1: Regenerate.
12040 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12042 * builtins.c (expand_builtin_strncmp): Use host_integerp and
12043 tree_low_cst. Allow using cmpstrsi in more cases.
12045 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12047 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
12050 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
12052 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
12053 * Makefile.in (HOST_CFLAGS): Mention build-make.
12055 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12057 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
12060 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12062 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
12065 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
12068 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
12069 reg_base_value and reg_known_value arrays.
12070 (init_alias_analysis): Add more cases to detect known values.
12071 * sched-deps.c (deps_may_trap_p): New function.
12072 (sched_analyze_2): Use it.
12074 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12076 * combine.c (simplify_shift_const): Even if we're sign-extracting,
12077 don't discard an ASHIFTRT if we're shifting in a wider mode.
12079 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
12081 * toplev.c (rest_of_compilation): Don't print basic block information
12082 when CFG isn't up to date.
12084 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
12086 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
12087 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
12088 (UNALIGNED_SHORT_ASM_OP): Define.
12089 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
12091 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12093 * fold-const.c (fold_convert): Fix typo.
12095 2001-01-02 Richard Henderson <rth@redhat.com>
12097 * c-common.h (ASM_INPUT_P): New.
12098 * c-parse.in (asm): Set it when needed.
12099 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
12100 existance of an operand.
12102 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
12104 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
12105 (dwarf2out_frame_debug_expr): Likewise.
12106 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
12108 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
12110 * i386.c (ix86_split_to_parts): Return number of part required;
12112 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
12114 (ix86_split_long_move): Use number of part returned
12115 by ix86_split_to_parts
12116 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
12118 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
12119 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
12120 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
12121 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
12122 (ALIGN_MODE_128): Add TFmode.
12123 (IS_STACK_MODE): Likewise.
12124 (HARD_REGNO_NREGS): TFmode needs 3 registers.
12125 (HARD_REGNO_OK): Support TFmodes.
12126 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
12127 * i386.md (scheduler definitions): Use memory operand to determine
12128 fst/fld instructions; use mode attribute to determine real mode of
12130 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
12131 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
12133 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12135 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
12137 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12139 * expr.c (store_constructor_field): Update ALIGN before calling
12142 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12144 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
12147 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12149 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
12152 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12154 * c-decl.c (start_function): Don't warn on third parameter to main.
12156 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12158 * tsystem.h: Define HAVE_DECL_GETOPT.
12160 2001-01-02 Philip Blundell <pb@futuretv.com>
12162 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
12165 2001-01-02 Richard Henderson <rth@redhat.com>
12167 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
12169 2001-01-02 Andreas Jaeger <aj@suse.de>
12171 * c-decl.c (c_decode_option): Remove support of
12172 -Wmissing-noreturn.
12174 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
12175 (W_options): Add -Wmissing-noreturn here.
12177 * flow.c: Define lang_missing_noreturn_ok_p.
12178 (check_function_return_warnings): Use it.
12180 * c-common.h: Declare lang_missing_noreturn_ok_p.
12182 * c-lang.c (c_missing_noreturn_ok_p): New function.
12183 (lang_init): Set lang_missing_noreturn_ok_p.
12185 * invoke.texi (Warning Options): Document this.
12187 2000-12-27 Phil Edwards <pme@sources.redhat.com>
12189 * extend.texi (C++ Extensions): New node for C++ attributes;
12190 describe init_priority and com_interface.
12191 * invoke.texi: Remove -finit-priority as it now has zero effect.
12192 * install.texi: Fix xref syntax.
12193 * md.texi: Likewise.
12195 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12197 * config.gcc (sparc64-wrs-vxworks*): New case.
12198 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
12200 * config/sparc/sparc.c (sparc_override_options): Do support different
12201 pointer and architecture size.
12202 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
12203 (POINTERS_EXTEND_UNSIGNED): Define.
12204 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
12205 (FUNCTION_MODE): Define to be Pmode.
12206 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
12208 * function.c (expand_function_end): Properly handle DECL_RESULT
12209 and copy when ptr_mode != Pmode.
12210 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
12212 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12214 * c-common.c (c_common_nodes_and_builtins): Set prototype
12215 parameters for __builtin_fputs, __builtin_fputc and
12216 __builtin_fwrite. Don't declare plain fputc as a builtin.
12218 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
12220 * loop.c (add_label_notes): Increment the label usage count when
12221 a note is added to an insn which refers to a CODE_LABEL.
12222 * gcse.c (add_label_notes): Likewise.
12224 2001-01-01 Andreas Jaeger <aj@suse.de>
12226 * loop.c (scan_loop): Use xmalloc to allocate movables.
12228 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
12230 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
12231 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
12232 * reload1.c (REGISTER_MOVE_COST): Likewise.
12233 * regclass.c (REGISTER_MOVE_COST): Likewise.
12234 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
12235 dimension. Adjust all users.
12236 (init_reg_sets_1): Iterate on all modes.
12237 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
12238 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
12239 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
12240 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
12241 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
12242 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
12243 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
12244 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
12245 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
12246 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
12247 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
12248 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
12249 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
12250 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
12251 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
12252 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
12253 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
12254 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
12255 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
12256 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
12257 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
12258 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
12259 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
12260 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
12261 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
12262 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
12263 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
12265 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12267 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
12268 arg VARIES_P. Call it with extra arg.
12269 (true_dependence): Likewise.
12270 * rtl.h (rtx_addr_can_trap_p): Declare.
12271 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
12273 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
12274 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
12275 pic offset table register if it's zero. All callers changed.
12276 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
12278 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12280 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
12281 STRING_POOL_ADDRESS_P.
12283 * config/sparc/sparc.c (input_operand): Properly test for short op.
12285 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
12286 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
12287 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
12288 * config/sparc/elf.h: No longer include sol2.h.
12289 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
12290 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
12292 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
12294 2001-01-01 Michael Hayes <mhayes@redhat.com>
12296 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
12297 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
12298 (record_initial): Likewise.
12299 * unroll.c (copy_loop_body, loop_iterations): Likewise.
12300 (remap_split_bivs): Likewise.
12302 2001-01-01 Michael Hayes <mhayes@redhat.com>
12304 * loop.c (loop_ivs_free): New function.
12305 (strength_reduce): Break out from...
12307 2001-01-01 Michael Hayes <mhayes@redhat.com>
12309 * loop.h (struct iv): New.
12310 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
12311 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
12312 'reg_biv_class' fields with 'regs' and 'n_regs'.
12313 (struct ivs): Rename 'loop_iv_list' field to 'list'.
12314 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
12315 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
12317 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
12319 * resource.c (mark_referenced_resources): Abort() before
12320 attempting to mark a pseudo register.
12321 (mark_set_resources): Likewise.
12323 2001-01-01 Michael Hayes <mhayes@redhat.com>
12325 * loop.h (REG_IV_CLASS): New accessor macro.
12326 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
12327 * unroll.c (REG_IV_CLASS): Likewise.
12329 See ChangeLog.4 for earlier changes.