1 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
3 * i386.md (floatdi?f): Avoid usinf of SSE instructions
4 if TARGET_64BIT is false.
5 (floatdi?f_i386_only): New insn.
6 (floatdi?f_i386): Disable for !TARGET_64BIT.
8 * (min?f, max?f splitters): Handle case where
9 operands are cross-matched.
11 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
12 (MMX_REGISTER_NAMES): Kill.
13 (PRINT_OPERAND): Fix comment.
14 (PRINT_REG): Likewise.
15 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
16 (print_operand): Update comment; kill 'm'.
18 * i386.c (x86_branch_hints): New global variable
19 (print_operand): Support outputting of branch prediction hints.
20 * i386.md (conditional jump patterns): Add branch prediction hints
22 * i386.h (x86_branch_hints): Declare
23 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
24 (PRINT_OPERAND_FUNCT_VALID_P): New.
25 * final.c (final_forward_branch_p): New function.
27 2001-06-06 Richard Henderson <rth@redhat.com>
29 * flow.c (mark_used_reg): Clean up looping over multiple hard
30 registers. Do conditional life bits across multiple hard regs.
32 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
34 * reload1.c (reload): Revert Schmidt's change so all USEs are not
35 deleted during reload.
37 2001-06-05 Mark Mitchell <mark@codesourcery.com>
39 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
40 functions here, instead of ...
41 * c-decl.c (c_expand_body): ... here.
43 2001-06-05 David O'Brien <obrien@FreeBSD.org>
45 * config.gcc, config/sparc/bsd.h: Do not directly include
46 sparc/sparc.h. Instead do it via tm_file.
48 2001-06-05 Richard Henderson <rth@redhat.com>
50 * dwarf2.h (DW_EH_PE_aligned): New.
51 * dwarf2asm.c (eh_data_format_name): Name it.
52 (dw2_asm_output_encoded_addr_rtx): Align for it.
53 * dwarf2out.c (output_call_frame_info): Handle it for personality
54 routine and LSDA pointers.
56 * unwind-pe.h (DW_EH_PE_aligned): New.
57 (base_of_encoded_value): Handle it.
58 (read_encoded_value_with_base): Likewise.
59 * unwind-dw2-fde.c (base_from_object): Likewise.
60 (get_cie_encoding): Likewise.
62 * config/alpha/elf.h: Remove ecoff commentary.
63 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
65 2001-06-05 David O'Brien <obrien@FreeBSD.org>
67 * config.gcc, config/i386/bsd386.h: Do not directly include
68 i386/386bsd.h. Instead do it via tm_file.
70 2001-06-05 David O'Brien <obrien@FreeBSD.org>
72 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
75 2001-06-05 Pascal Obry <obry@act-europe.fr>
77 * configure.in: Quote $enable_win32_registry in case the value has
81 2001-06-05 Mark Mitchell <mark@codesourcery.com>
83 * print-rtl.c (xspaces): Remove.
84 (print_rtx): Use printf field-width, rather than xpsaces, to
86 * toplev.c (main): Disable sibling-call optimization if we are
89 2001-06-05 Bernd Schmidt <bernds@redhat.com>
91 * reload1.c (reload): Delete all USEs generated during reload.
93 2001-06-05 scott snyder <snyder@fnal.gov>
95 * gccbug.in: Fix typo.
97 2001-06-05 Andreas Jaeger <aj@suse.de>
99 * builtins.def: Fix definition of __builtin_cosf, it uses float as
100 parameter and return value.
102 2001-06-04 Anthony Green <green@redhat.com>
104 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
105 machine. This is now done in sparc.h.
107 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
109 Correct CVS resurrection of invoke.texi.
110 * doc/invoke.texi: Document new tree dump flags.
112 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
114 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
115 for casting an aggregate to its own type. Fixes PR c/2735.
117 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
119 * doc/texinfo.tex: Update to version 2001-05-24.08.
121 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
123 * c-common.h (flag_dump_translation_unit): Remove.
124 (enum tree_dump_index): Define.
125 (TDF_ADDRESS, TDF_SLIM): New #defines.
126 (dump_node_to_file): Remove.
127 (dump_node): Make extern. Add flags.
128 (dump_flag, dump_enabled_p, dump_begin, dump_end,
129 dump_switch_p): Prototype.
130 * c-common.c (flag_dump_translation_unit): Remove.
131 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
132 logic. Use dump_switch_p.
133 * c-dump.h (struct dump_info): Add node and user fields.
134 (dump_pointer): Declare.
135 * c-dump.c (dump_node): Make extern. Add flags.
136 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
137 (dump_new_line, dump_maybe_newline): Use them.
138 (dump_pointer): New function.
139 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
140 chain or function's body. Dump address, if TDF_ADDRESS set.
142 (dump_node_to_file): Remove.
143 (struct dump_file_info): New struct.
144 (dump_files): New array.
145 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
146 * c-lang.c (finish_file): Adjust dumping.
147 * toplev.h (dump_base_name): Make extern.
148 * invoke.texi: Document new flags.
150 2001-06-04 Mark Mitchell <mark@codesourcery.com>
152 * c-tree.h (lang_decl): Add pending_sizes fields.
153 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
155 (c_expand_body): Expand them.
156 (lang_mark_tree): Mark lang_decl:pending_sizes.
157 * function.c (expand_pending_sizes): New function, broken out
159 (expand_function_start): ... here.
160 * tree.h (expand_pending_sizes): Declare it.
162 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
164 * doc/install.texi: Update FreeBSD information. Generalize
165 and update information for alpha-based platforms using ELF.
167 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
169 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
170 (store_parm_decls): Likewise.
171 * c-typeck.c (convert_arguments): Likewise.
173 2001-06-04 Richard Henderson <rth@redhat.com>
175 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
176 optimization if current_function_calls_setjmp.
178 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
180 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
183 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
185 * simplify-rtx.c (simplify_subreg): Fix combining of
188 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
190 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
191 (no_labels_between_p): Short circuit case beg==end.
193 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
195 * rtlanal.c (operand_preference): Fix preference for objects.
197 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
199 * gcse.c (handle_avail_expr): Be prepared to handle single_set
202 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
204 * combine.c (if_then_else_cond): Use simplify_subreg instead
206 * integreate.c (sub_constants): Likewise.
208 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
210 * emit-rtl.c (constant_subword): Deprecate; remove most of code
211 and use simplify_gen_subreg.
213 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
215 * sibcall.c (skip_copy_to_return_value): recognize the situation
216 when the called function's return value is copied into an
217 intermediate pseudo, and then into the calling functions return
220 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
222 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
223 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
224 in case register wasn't OK previously, accept it now; allow
225 subregs of frame pointer if reload completed and frame pointer
228 * combine.c (sombine_simplify_rtx): Fix comment;
229 use subreg_lowpart_offset instead of subreg_lowpart_p
230 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
231 * rtl.h (subreg_lowpart_parts_p): Kill.
232 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
233 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
234 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
235 (gen_lowpart_common): Likewise.
236 (subreg_lowpart_p): Likewise.
237 (subreg_lowpart_parts_p): Kill.
238 (subreg_lowpart_offset, subreg_highpart_offset): New function.
240 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
241 to simplify SUBREG and REG.
242 (gen_highpart): Use simplify_gen_subreg for all simplifications.
244 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
247 * rtlanal.c (replace_regs): Use simplify_gen_subreg
249 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
251 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
252 (ARRAY_RANGE_REF): Added description.
254 * tree.def (ARRAY_RANGE_REF): New code.
255 * alias.c (handled_component_p, can_address_p): Handle it.
256 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
257 * explow.c (set_mem_attributes): Likewise.
258 * expr.c (expand_assignment, get_inner_reference): Likewise.
259 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
260 * fold-const.c (operand_equal_p): Likewise.
261 * tree.c (staticp, stabilize_reference): Likewise.
262 * varasm.c (decode_addr_const): Likewise.
264 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
266 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
267 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
269 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
271 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
272 mark_constant_pool_use before output_addr_const.
273 (struct pool_node): New field wend.
274 (add_constant): Note a sequence of constants that are referenced
276 (pool_window_label, pool_window_last): New variables.
277 (dump_table): Emit a unspec_volatile representing the end of a
278 sequence of constants.
279 (mark_constant_pool_use): New function.
280 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
281 (consttable_2): Add the second operand which flags whether
282 this consttable entry was used or not.
283 (consttable_4, consttable_8, consttable_sf, consttable_df):
285 (consttable_window_end): New insn.
287 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
289 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
290 Reformat according to coding standards.
293 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
294 (shl_and_kind): Cast wide constant.
295 (gen_far_branch): Define as static, as in declaration.
296 (barrier_align): Compute cache-line length as unsigned. Add
297 parentheses in initial credit computation.
298 (rounded_frame_size): Add parentheses.
299 (permanent_obstack): Remove declaration. Include ggc.h for
300 declaration of ggc_add_root_rtx().
301 (get_free_reg): Removed declaration of unused variable reg.
302 (legitimize_pic_address): Mark mode argument as unused.
304 2001-06-03 Igor Shevlyakov <igor@windriver.com>
306 * config/sh/sh.c (output_branch): Support for insn with lenght
307 attr 12 & 16 which represents cond branches outside +-4096 range.
309 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
311 * config/sh/lib1funcs.asm (ic_invalidate): Align the
312 cache-mirroring sequence. Add nops.
314 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
316 * doc/install-old.texi: Remove more old installation
318 * doc/install.texi: Add relevant parts here.
320 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
322 * doc/install.texi2html: New script.
324 2001-06-03 David Edelsohn <edelsohn@gnu.org>
326 * doc/install.texi: Update AIX information again.
328 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
330 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
331 installation documentation.
332 * doc/install.texi: Move it to here.
334 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
336 * doc/install.texi: Clean up Texinfo markup.
338 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
340 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
341 to just after title page.
343 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
345 * doc/install-old.texi: Remove documentation of some configuration
347 * doc/install.texi: Add relevant parts of this documentation here.
349 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
351 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
352 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
354 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
356 * i386.md (all uses of ext_register_operand): Make sure they are
357 VOIDmode; replace all uses outside zero_extend.
358 (and?i splitters): Use ext_register_operands.
359 (test?i peep2): Remove ignored constraints.
360 * i386.c (ext_register_operand): Check that operand is
361 eighter pseudo or hard or 'Q' register.
363 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
365 * tree.h (struct record_layout_info_s): New field unpadded_align.
366 (set_lang_adjust_rli): New declaration.
367 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
368 it would have if not packed, do not downgrade DECL_ALIGN.
369 (lang_adjust_rli, set_lang_adjust_rli): New.
370 (start_record_layout): Initialize new field unpadded_align.
371 (debug_rli): Display it.
372 (place_union_field, place_field): Set it.
373 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
375 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
376 mean that; use proper names instead.
377 Print DECL_NO_STATIC_CHAIN.
379 * except.c (expand_builtin_frob_return_addr): Add missing call
380 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
381 (expand_builtin_eh_return): Likewise.
382 (expand_eh_return): Clean up ptr_mode != Pmode cases.
384 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
386 * doc/invoke.texi: Remove references to papers about sequence points
387 to readings.html, refer to that page.
389 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
391 * README: Update references to installation instructions.
393 2001-06-01 Laurent Guerby <guerby@acm.org>
394 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
396 * doc/install.texi: Define srcdir when sources come from CVS.
397 Significantly improve markup. Wrap overly long lines
399 2001-06-01 DJ Delorie <dj@redhat.com>
401 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
402 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi, objc.texi,
403 rtl.texi, tm.texi, texinfo.tex: Move to doc subdirectory.
404 * install.texi: Move to doc/install-old.texi.
405 * gcc.texi: Move to doc, refer to install-old.texi.
406 * Makefile.in: Reflect move of docs to doc/.
407 * f/Make-lang.in: Ditto.
408 * java/Make-lang.in: Ditto.
409 * doc/.cvsignore: New.
411 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
413 * invoke.texi: use two spaces between command options, eliminate
414 some 'overfull hboxes'
416 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
418 * Makefile.in (s-mlib): Make backtick-commands always succeed.
419 (DRIVER_DEFINES): Ditto.
421 2001-05-31 Richard Henderson <rth@redhat.com>
423 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
424 also link against libgcc.a.
426 2001-05-31 Geoff Keating <geoffk@cygnus.com>
428 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
429 * config/mips/mips.c (mips_output_ascii): New function.
430 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
432 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
434 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
436 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
437 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
439 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
441 * install.texi (Configuration): Add html links for --with-gnu-as &
442 --with-gnu-ld and refer to them from hppa & SCO triplets.
443 (Specific): Link back to with-gnu-ld for all ELF platfoms.
444 (Specific): Reword AVR binutils recommendation.
446 2001-05-30 Zack Weinberg <zackw@stanford.edu>
448 * ggc-page.c (size_lookup): Increase minimum allocation size
450 (ggc_print_statistics): Report size of each bin in bytes, not
451 as its order; there is no longer a direct relationship.
453 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
455 * extend.texi: Fix formating of examples, eliminate some
457 * gcc.texi: Eliminate some 'overfull hboxes'.
458 * invoke.texi: Use two spaces between command options, eliminate
459 some 'overfull hboxes'.
461 2001-05-30 Richard Henderson <rth@redhat.com>
463 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
465 2001-05-30 Tom Tromey <tromey@redhat.com>
467 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
468 use it in the new association.
470 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
471 John David Anglin <dave@hiauly1.hia.nrc.ca>
473 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
474 to target type to allow ISO C++ compiler to accept it.
475 * gthr-dce.h (__gthread_active_ptr): Likewise.
476 * gthr-solaris.h (__gthread_active_ptr): Likewise.
478 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
480 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
481 so that we do accept comments in preprocessed input.
483 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
485 * cpphash.c (alloc_node): Cast allocated pointer.
487 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
489 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
491 2001-05-29 Stan Shebs <shebs@apple.com>
493 * gcc.texi: Add links for information about Objective-C.
495 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
497 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
498 /bin/sed fails on [^\"]).
499 (configargs.h): Likewise.
501 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
503 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
505 2001-05-28 Stan Shebs <shebs@apple.com>
507 * objc/objc.gperf: Remove, no longer used.
509 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
511 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
512 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
513 Remove trailing whitespace.
515 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
517 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
518 became http://freeware.sgi.com/.
520 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
522 * local-alloc.c (update_equiv_regs): Don't eliminate constant
525 2001-05-27 Stan Shebs <shebs@apple.com>
527 * objc/objc-act.c: Add/fix various comments.
528 (init_selector): Remove, no longer used.
529 (build_msg_pool_reference): Ditto.
532 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
534 * c-decl.c (init_decl_processing):
535 Don't call start_identifier_warnings.
536 * flags.h (warn_id_clash, id_clash_len): Remove.
537 * stringpool.c: Don't include flags.h.
538 (scan_for_clashes, do_identifier_warnings,
539 start_identifier_warnings): Remove.
540 * toplev.c (warn_id_clash, id_clash_len): Remove.
541 (display_help): Don't document -Wid-clash.
542 (decode_W_option): Print warning on -Wid-clash.
543 * tree.h (start_identifier_warnings): Remove.
544 * invoke.texi: Remove documentation of -Wid-clash.
546 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
548 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
550 2001-05-27 Bruce Korb <bkorb@gnu.org>
552 * fixinc/check.tpl(HACK) add and use a Scheme variable
553 (has no test text): error out if no "test_text" is defined
554 * fixinc/fixincl.tpl: likewise
555 (FIXIDX): make it an enumeration so we minimize diffs
556 * fixinc/inclhack.def: re-alphabetize and add sort instructions
557 * fixinc/fixincl.x: regenerate
558 * fixinc/tests/base/stdio.h: test output got moved due to
560 * README-fixinc: rewrite (mostly)
562 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
564 * cpplib.c (run_directive): Set pfile->directive.
566 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
568 * c-tree.texi: Reformat the manual as a single chapter now
569 included by gcc.texi.
570 * gcc.texi: Include c-tree.texi. Merge all indexes.
571 * Makefile.in (dvi): Add generation for the cppinternals
572 documentation. Added dependencies on fdl.texi and c-tree.texi
573 where appropriate. Use TEXI2DVI instead of custom tex calls.
574 (info): Added dependencies on fdl.texi and c-tree.texi where
575 appropriate. Remove the target c-tree.info.
577 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
579 * combine.c (try_combine): Fix typo in comment.
580 * expr.c (expand_expr): Likewise.
581 * config/i370/i370.md (untyped_call): Likewise.
583 2001-05-26 Bruce Korb <bkorb@gnu.org>
585 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
586 when fixincl is operating in test mode
587 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
588 (AAB_ultrix_limits): remove redundant text
589 (AAB_ultrix_memory): ditto
590 (AAB_ultrix_string): ditto
591 (djgpp_wchar_h): fix the test text
592 (irix_stdio_va_list): add test text
593 (irix_limits_const): add a testing output file (limits.h is overwritten)
594 (strict_ansi_not_ctd): put limits.h second in list for same reason
595 (solaris27_mutex_init): test text needed selection text, too
597 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
598 when fixincl is operating in test mode
600 2001-05-26 Philip Blundell <philb@gnu.org>
602 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
603 * config/i960/i960-protos.h: Likewise.
604 * config/i370/i370-protos.h: Likewise.
605 * config/h8300/h8300-protos.h: Likewise,
606 * config/sh/sh-protos.h: Likewise.
607 * config/v850/v850-protos.h: Likewise.
609 2001-05-26 Philip Blundell <philb@gnu.org>
611 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
613 2001-05-25 Zack Weinberg <zackw@stanford.edu>
615 * toplev.c (debug_args, f_options, W_options): Mark
616 descriptions for translation.
617 (display_help): Translate descriptions on output.
619 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
620 objc/lang-options.h: Mark descriptions for translation.
622 * aclocal.m4: Quote final argument of patsubst. Use
623 3-argument form of AC_DEFINE. Restore quotes to [] while
625 * configure.in: Remove unnecessary changequote calls.
626 * configure, config.in: Regenerate.
628 2001-05-25 Sam TH <sam@uchicago.edu>
630 * basic-block.h: Fix header include guards.
631 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
632 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
633 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
634 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
635 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
636 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
637 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
638 varray.h version.h: Likewise.
639 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
640 config/arm/arm.h config/c4x/c4x-protos.h
641 config/h8300/h8300-protos.h config/h8300/h8300.h
642 config/i370/i370-protos.h config/i370/i370.h
643 config/i960/i960-protos.h config/mcore/mcore.h
644 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
645 config/v850/v850-protos.h config/v850/v850.h: Likewise.
646 * fixinc/fixlib.h fixinc/server.h: Likewise.
648 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
650 * config/arc/initfini.c (.init): Fix typo.
652 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
654 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
656 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
658 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
660 2001-05-25 Richard Henderson <rth@redhat.com>
662 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
664 2001-05-25 Richard Henderson <rth@redhat.com>
666 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
667 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
668 (sparc*-*-solaris2): Likewise.
669 * config/t-linux: Remove shared libgcc macros.
670 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
671 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
673 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
675 * config.gcc (*-*-freebsd*): Report bad configuration.
677 2001-05-25 David Edelsohn <edelsohn@gnu.org>
679 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
681 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
683 (ASM_OUTPUT_LABELREF): Delete.
685 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
687 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
688 strict_ansi_only): Don't run if stdc_0_in_system_headers.
689 * fixinc/fixincl.x: Regenerate.
690 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
691 (FIX_TEST_TABLE): Declare it.
692 * fixinc/fixlib.h: Include config.h.
694 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
696 * fixinc/inclhack.def (alpha___assert): Change char * args to
697 const char * on Tru64 UNIX to avoid excessive warnings from
699 * fixinc/fixincl.x: Regenerate.
701 2001-05-25 Geoff Keating <geoffk@redhat.com>
703 * dbxout.c (dbxout_symbol): Invert previous patch, which was
704 outputting a tag only for variable-size records.
706 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
708 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
709 instead of rtx_equal_p for early clobber test.
711 2001-05-26 Mark Mitchell <mark@codesourcery.com>
713 * builtins.def: Encode additional information, such as names and
715 * builtin-types.def: New file.
716 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
717 (built_in_decls): Likewise. Don't explicitly initialize global
719 (expand_builtin_mathfn): Handle float and long double variants of
721 (expand_builtin): Likewise.
722 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
723 (expand_tree_builtin): Handle long, long long, float, and long
724 double variants of math functions.
725 * c-common.h (c_tree_index): Remove some unused nodes.
726 (void_ftype): Remove.
727 (void_type_ptr): Likewise.
728 (int_ftype_int): Likewise.
729 (ptr_ftype_sizetype): Likewise.
730 * c-decl.c (init_decl_processing): Remove creation of DWARF
732 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
733 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
734 * Makefile.in (c-common.o): Depend on builtin-types.def.
736 2001-05-25 Dale Johannesen <dalej@apple.com>
738 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
740 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
742 * c-parse.in (notype_initdcl): Remove redundant line.
744 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
746 * aclocal.m4: Fixed typo.
747 (gcc_AC_HEADER_STDBOOL): Define.
748 (gcc_AC_C__BOOL): Define.
749 * configure.in: Use them.
750 (AC_CHECK_HEADERS): Remove stdbool.h
751 * configure, config.in: Regenerate.
753 2001-05-25 Richard Henderson <rth@redhat.com>
755 * function.c (expand_function_start): Don't abort on PARALLEL
756 returns from hard_function_value.
758 2001-05-25 Richard Henderson <rth@redhat.com>
760 * config/i386/i386.md: Revert previous change. Do not apply
761 the peephole if the components do not die after the sequence.
763 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
765 * c-parse.in (array_declarator): New. Handle C99 constructs.
766 Don't restrict [*] declarators to C only.
767 (after_type_declarator, parm_declarator_starttypename,
768 parm_declarator_nostarttypename, notype_declarator,
769 direct_absdcl1): Use it.
770 * c-decl.c (build_array_declarator, set_array_declarator_type):
771 New functions. Warn that [*] isn't properly implemented; pedwarn
772 for [*] outside C99 mode if pedantic rather than giving a hard
774 (grokdeclarator): Handle static and type qualifiers in parameter
776 * c-tree.h (build_array_declarator, set_array_declarator_type):
778 * extend.texi (Attribute Syntax): Document attributes in parameter
781 2001-05-25 Mark Mitchell <mark@codesourcery.com>
783 * config/i386/i386.md: Make sure cmpstr peepholes do not
784 affect liveness information.
786 2001-05-24 Mark Mitchell <mark@codesourcery.com>
788 * c-typeck.c (digest_init): Issue error messages about
789 invalid constants, not warnings.
791 2001-05-24 Mark Mitchell <mark@codesourcery.com>
793 * invoke.texi (-fno-builtin): Document that this is always on
796 2001-05-24 Philip Blundell <philb@gnu.org>
798 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
801 2001-05-24 Philip Blundell <philb@gnu.org>
803 * config/arm/arm.c (output_return_instruction): Correctly handle
804 interworking and interrupt functions.
806 2001-05-24 Philip Blundell <philb@gnu.org>
808 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
809 -m{no-}sched-prolog. Fix typos and improve formatting.
811 2001-05-24 Philip Blundell <philb@gnu.org>
813 * invoke.texi (ARM Options): Improve wording slightly. Add
814 documentation for more options, including those for Thumb mode.
815 Don't mention options that don't exist or are unimplemented.
816 (Thumb Options): Delete; merged into above section.
818 2001-05-24 Geoff Keating <geoffk@redhat.com>
820 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
821 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
823 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
825 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
826 fix hard register simplification.
828 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
830 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
831 of just copying CPP_CPU_SPEC.
833 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
835 * i386.c (incdec_operand): Accept only 1 and -1.
837 2001-05-23 Kelley Cook <kelley.cook@home.com>
839 * Makefile.in: Move many of the *_H definitions eariler in the
840 file, so that rules in t-* files that use them for
841 dependencies will work in a parallel build.
842 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
844 2001-05-23 Richard Henderson <rth@redhat.com>
846 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
848 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
850 * cpp.texi: Update for handling of charconsts.
851 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
852 diagnostics. Skip to the end if the UCS is too short.
853 (cpp_interpret_charconst): Long charconsts issue a warning
856 2001-05-23 Richard Henderson <rth@redhat.com>
858 * doc/install.texi (alpha-linux): Require binutils 2.11.
860 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
862 * c-lex.c (read_escape, read_ucs): Delete.
863 (lex_string): Use cpp_parse_escape.
864 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
865 if not C++ or not C99. Warn if traditional.
866 (parse_escape): Rename cpp_parse_escape. Make the bitmask
867 unsigned. Warn for out-of-range escape sequences here.
868 Update to use maybe_read_ucs.
869 (cpp_interpret_charconst): Don't warn here.
870 * cpplib.h (cpp_parse_escape): New exported function.
872 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
874 * extend.texi (Attribute Syntax): Clarify application of
875 attributes to parameters declared as functions or arrays.
877 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
879 * dbxout.c (dbxout_type_methods): Do still group methods by name.
881 2001-05-23 Zack Weinberg <zackw@stanford.edu>
883 * diagnostic.c (vnotice): Kill.
884 (fnotice): Call vfprintf directly.
885 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
886 verbatim, set_diagnostic_context): Rename string argument to
887 indicate that it is run through gettext.
888 (vbuild_message_string, build_message_string, output_do_printf):
889 Rename string argument to indicate that it is NOT run through
891 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
892 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
893 Run msgid argument through gettext.
894 (default_print_error_function): Run constant strings through
895 gettext when nothing else will.
896 (fatal_error, internal_error, error_recursion): Use fnotice.
897 Present complete sentences to gettext.
899 2001-05-23 Mark Mitchell <mark@codesourcery.com>
901 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
903 2001-05-23 Richard Henderson <rth@redhat.com>
905 * function.c (expand_function_start): Always use a pseudo
906 for the function result value.
908 2001-05-22 Richard Henderson <rth@redhat.com>
910 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
911 section pointer alignment.
913 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
915 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
916 of __USER_LABEL_PREFIX__.
918 2001-05-22 Richard Henderson <rth@redhat.com>
920 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
921 (__deregister_frame_info_bases): New.
922 * unwind-dw2-fde.h: Declare it.
923 * libgcc-std.ver: Export it.
924 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
925 called __register_frame_info_bases.
927 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
929 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
930 instead of #elif (which is OK for this case but not in general).
932 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
934 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
935 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
936 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
937 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
938 "r2" to the assembly file. Only issue allocs with non-zero parameters.
940 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
941 David O'Brien <obrien@freebsd.org>
943 * config/freebsd.h (LIB_SPEC): Key the exact setting to
944 configure-time options and target version of FreeBSD. Set-up
945 to match architectural change in threading support. Correctly
946 report when -pthread option is not supported by configure-time
948 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
949 and extend to encode target version number in run-time setting
950 of __FreeBSD__ macro to match the system compiler.
951 (CPP_PREDEFINES): Likewise.
952 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
954 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
955 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
957 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
958 David O'Brien <obrien@freebsd.org>
960 * config.gcc (the unlabeled system switch statement): Add
961 generic configuration section to handle *-*-freebsd*. Also,
962 to match the system compiler, default to threading support (it
963 may be disabled with the standard --disable-threads
964 configuration-time switch).
965 (i[34567]86-*-freebsd* in machine-specific section): Use it.
966 (alpha*-*-freebsd* in machine-specific section): Likewise.
968 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
969 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
970 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
971 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
972 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
974 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
975 David O'Brien <obrien@freebsd.org>
977 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
978 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
979 -pthread instead setting macro.
981 2001-05-22 Richard Henderson <rth@redhat.com>
983 * crtstuff.c (__register_frame_info_bases): Declare.
984 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
985 (__do_global_dtors_aux, __do_global_dtors): Streamline.
987 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
988 (CRT_GET_RFIB_DATA): New.
989 * config/i386/sysv4.h: Likewise.
990 * config/i386/sco5.h: Likewise.
991 (ASM_PREFERRED_EH_DATA_FORMAT): New.
993 2001-05-22 Richard Henderson <rth@redhat.com>
995 * rtl.c (read_string): Break out from ...
996 (read_rtx): ... here.
998 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1000 * doc/install.texi (Specific): Remove a bogus and duplicate part
1001 copied from the end of the document.
1003 2001-05-22 Bernd Schmidt <bernds@redhat.com>
1005 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
1007 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1009 * install.texi: Remove obsolete information on SunOS as well as
1010 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
1011 (Installing GNU CC on the Sun): Remove section.
1013 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
1015 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
1016 keep errno unchanged on success.
1018 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
1020 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
1021 once for hexadecimal floats, whether or not they contain a decimal
1022 point. Don't let the setting of pedantic otherwise affect the
1023 parsing of hexadecimal floats.
1025 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1027 * README.ACORN: Remove obsolete file.
1029 2001-05-22 Jan Hubicka <jh@suse.cz>
1031 * combine.c (gen_binary): Use swap_commutative_operands_p
1032 (simplify_comparison): Likewise.
1033 * expmed.c (emit_store_flag): Likewise.
1034 * expr.c (compare_from_rtx): Likewise.
1035 (do_compare_rtx_and_jump): Likewise.
1036 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
1037 if not emitting a branch and operands want swapping.
1039 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
1041 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
1042 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
1043 (maybe_get_identifier): Update.
1044 * tree.h (make_identifier): Delete.
1046 2001-05-21 Richard Henderson <rth@redhat.com>
1048 * combine.c (subst): Do not substitute for a register as
1049 a destination subreg/strict_low_part/zero_extract.
1051 * combine.c (simplify_comparison): Update op1 after constant
1053 * recog.c (const_int_operand): Accept only constants valid
1055 * genrecog.c: Update comments wrt const_int_operand.
1057 * emit-rtl.c (init_emit_once): Zero unused memory in a
1060 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1062 * tree.h (type_num_arguments): Declare it.
1063 * tree.c (type_num_arguments): New function.
1065 2001-05-21 Richard Henderson <rth@redhat.com>
1067 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
1070 2001-05-21 Geoff Keating <geoffk@redhat.com>
1072 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
1074 (minsf3): Use rs6000_emit_minmax.
1075 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
1077 (movsfcc): Use rs6000_emit_cmove.
1078 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
1079 Don't generate emit_fselsfsf4.
1080 (fseldfsf4): Likewise.
1081 (maxdf3): Use rs6000_emit_minmax.
1083 (mindf3): Use rs6000_emit_minmax.
1084 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
1086 (movdfcc): Use rs6000_emit_cmove.
1087 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
1088 Don't generate emit_fselsfsf4.
1089 (fselsfdf4): Likewise.
1090 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
1091 (min_max_operator): New predicate.
1092 (rs6000_emit_cmove): New function.
1093 (rs6000_emit_minmax): New function.
1094 * config/rs6000/rs6000-protos.h: Prototype new functions.
1095 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
1096 and min_max_operator.
1098 * config/rs6000/rs6000.c (output_cbranch): Handle all
1099 conditional types in the switch statement.
1101 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1103 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
1104 non-register variables.
1105 * extend.texi: Document that asm-specifications do not make sense
1106 for non-static local variables.
1108 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
1110 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
1111 (dbxout_type_fields): Lose minimal_debug support.
1112 (dbxout_type_methods, dbxout_type): Likewise.
1114 2001-05-17 Andrew Haley <aph@redhat.com>
1116 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1118 2001-05-21 Richard Henderson <rth@redhat.com>
1120 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
1123 2001-05-20 Richard Henderson <rth@redhat.com>
1125 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1126 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
1127 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
1128 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1129 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
1131 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1132 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
1133 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
1134 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1135 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1136 DEBUG_PUBNAMES_SECTION): Rename as above.
1137 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1139 2001-05-20 Richard Henderson <rth@redhat.com>
1141 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
1142 operands unless the operation is commutative.
1144 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1146 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
1149 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
1151 * extend.texi: Clarify documentation of extensions included in ISO
1152 C99. Prefer C99 terminology and syntax to old GNU terminology and
1153 syntax. Add more index entries. Document mixed declarations and
1154 code as an extension in C89 mode. Warn about future changes to
1155 semantics of inline functions. Fixes PR other/930.
1157 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1159 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
1160 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1161 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
1162 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1164 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
1166 2001-05-20 Richard Henderson <rth@redhat.com>
1168 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
1169 to be output before a branch.
1171 2001-05-20 Richard Henderson <rth@redhat.com>
1173 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
1175 2001-05-20 Richard Henderson <rth@redhat.com>
1177 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
1178 (ASM_DOUBLE): Remove.
1179 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
1180 * config/i386/sun386.h: Likewise.
1182 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
1183 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
1185 * config/i386/cygwin.h (INT_ASM_OP): Remove.
1186 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
1187 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
1188 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
1190 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
1191 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
1192 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
1193 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
1194 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
1195 * config/i386/win32.h: Likewise.
1197 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1199 * invoke.texi: Add more options to summary list.
1201 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1203 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
1204 used. Fixes PR c/2291.
1205 * gcc.1: Regenerate.
1207 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1209 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
1210 the -fpic and -fPIC options, clear flag_pic.
1212 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1214 * hashtable.c (calc_hash): Fix HASHSTEP definition.
1215 * stringpool.c (make_identifier): No statistics here anymore.
1216 * objc-act.c (steup_string_decl): Remove redundant check.
1218 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1220 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
1221 cpplib.o, cpphash.o, fix-header): Update.
1222 (hashtable.o): New target.
1223 * c-common.h: Include cpplib.h. Define C_RID_CODE and
1224 struct c_common_identifier here.
1225 * c-lang.c (c_init_options): Update. Call set_identifier_size.
1226 * c-lex.c (c_lex): Update.
1227 * c-pragma.h: Update.
1228 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
1230 (C_RID_CODE): Delete.
1231 * cpphash.c: Rewrite to use hashtable.c.
1232 * cpphash.h: Update include guards.
1233 (struct cpp_reader): Remove hashtab.
1234 hash_ob and buffer_ob are no longer pointers. Add hash_table
1236 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
1237 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
1238 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
1239 * cppinit.c (cpp_create_reader): Update.
1240 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
1241 (cpp_interpret_charconst): Eliminate warning.
1242 * cpplib.c (do_pragma, do_endif, push_conditional,
1243 cpp_push_buffer, cpp_pop_buffer): Update.
1244 (_cpp_init_stacks): Rename cpp_init_directives.
1245 (_cpp_cleanup_stacks): Remove.
1246 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
1247 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
1248 cpp_forall_identifiers, cpp_create_reader): Update.
1249 (C_RID_CODE, cpp_make_node): New.
1250 (c_common_identifier): New identifier node for C front ends.
1251 * cppmain.c (main): Update.
1252 * fix-header.c (read_scan_file): Update.
1253 * flags.h (id_clash_len): Make unsigned.
1254 * ggc.h (ggc_mark_nonnull_tree): New.
1257 * stringpool.c: Update comments and copyright. Update to use
1259 * toplev.c (approx_sqrt): Move to hashtable.c.
1260 (id_clash_len): Make unsigned.
1261 * toplev.h (ident_hash): New.
1262 * tree.c (gcc_obstack_init): Move to hashtable.c.
1263 * tree.h: Include hashtable.h.
1264 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
1265 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
1266 (struct tree_identifier): Update.
1267 (make_identifier): New.
1269 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
1270 (C_RID_CODE): Remove.
1271 * lex.c (cxx_init_options): Call set_identifier_size. Update.
1272 (init_parse): Don't do it here.
1274 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
1276 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
1278 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
1280 (expand_eh_return): Convert between word_mode and Pmode.
1281 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
1283 (execute_stack_op): Likewise.
1284 (execute_cfa_program): Likewise.
1285 (uw_frame_state_for): Likewise.
1286 (uw_update_context_1): Likewise.
1287 * unwind.inc (_Unwind_Reason_Code): Likewise.
1288 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
1289 (EH_RETURN_STACKADJ_RTX): Likewise.
1290 * config/mips/mips.c (compute_frame_size): Make space for saving
1291 EH return registers.
1292 (mips_expand_epilogue): Handle EH stack adjustments.
1293 * config/mips/mips.md (eh_return): New pattern.
1294 (eh_set_lr_si): Likewise.
1295 (eh_set_lr_di): Likewise.
1296 Add splitter to perform EH return after reload.
1298 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1300 * jump.c (mark_jump_label): Tidy previous change.
1302 2001-05-19 Bruce Korb <bkorb@gnu.org>
1304 * fixinc/genfixes: no need for two warnings
1305 * fixinc/Makefile.in: open stdin for those building with a closed one.
1307 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1309 * jump.c (jump_optimize_1): Tidy.
1310 (mark_jump_label): When changing the label in a LABEL_REF, change
1311 update any REG_EQUAL notes as well.
1313 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
1315 * c-parse.in (parm_declarator): Split into
1316 parm_declarator_starttypename and parm_declarator_nostarttypename.
1317 (parm_declarator_starttypename, parm_declarator_nostarttypename):
1318 New. Allow parenthesised sub-declarators which don't begin with a
1319 TYPENAME. Fixes PR c/166.
1321 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1323 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
1325 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1327 * toplev.c (main): If the target does not allow profiling without
1328 a frame pointer, issue an error message.
1329 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1332 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1334 * recog.c (general_operand): Modify last change to allow it if reload
1337 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1339 * recog.c (general_operand): Prohibit nonzero subreg bytes on
1340 subregs containing mem.
1342 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
1344 * regrename.c (regrename_optimize): frame pointer register can
1347 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
1349 * README.DWARF: Move into dwarfout.c.
1351 2001-05-18 Dale Johannesen <dalej@apple.com>
1353 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
1354 specific misuse of r0 as a reload address.
1356 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1358 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
1361 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1363 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
1364 (add_to_sequence): Make that decision type.
1365 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
1366 (write_switch, write_cond, debug_decision_2): Likewise.
1368 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
1370 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
1373 2001-05-18 Stan Shebs <shebs@apple.com>
1375 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
1376 * configure: Regenerate.
1378 2001-05-18 Per Bothner <per@bothner.com>
1380 Changes needed for java/jvspec.c
1381 * gcc.h (n_infiles, outfiles): Add declarations.
1382 * gcc.c (n_infiles, outfiles): Mske no longer static.
1384 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
1386 * config/pa/som.h (EXCEPTION_SECTION): Define.
1388 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
1390 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
1392 Add have_location_lists, a variable to determine whether we need a
1393 .debug_loc section or not.
1394 (enum dw_val_class): Add dw_val_class_loc_list.
1395 (dw_val_struct): Add val_loc_list.
1396 (dw_loc_list_struct): New structure, represents location lists.
1397 (new_loc_list): New function, return a new location list, given
1398 the range and location expression.
1399 (add_loc_descr_to_loc_list): New function, add a location
1400 expression to a location list, given the expression and range.
1401 (output_loc_list): New function, output a location list.
1402 (gen_internal_sym): Modified to take symbol prefix, so we can
1403 reuse it for location list symbols.
1404 (add_AT_loc_list): New function, add a location list to a DIE at
1405 the named attribute.
1406 (AT_loc_list): New function, return the location list reference
1407 for a given attribute, if it's a location list.
1408 (print_die): Handle dw_val_class_loc_list.
1409 (size_of_die): Ditto.
1410 (value_format): Ditto.
1411 (output_die): Ditto.
1412 (output_location_lists): New function, output all of the location
1413 lists for a DIE and it's children.
1414 (dwarf2out_finish): Call output_location_lists if we have location
1418 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1420 * gcse.c (try_replace_reg): First try global replace, later try to
1421 simplify the expression.
1423 * gcse.c (find_used_regs): Change calling convention; work via
1425 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
1427 2001-05-18 Bernd Schmidt <bernds@redhat.com>
1430 2001-02-09 Nick Clifton <nickc@redhat.com>
1431 * config/arm/arm.md: Change output constraint on post inc
1432 load/store multiple patterns to be a read/write constraint.
1434 2001-05-18 Mark Mitchell <mark@codesourcery.com>
1436 * basic-block.h (struct basic_block_def): Add documentation about
1437 what a basic block is, and what the various fields are used for.
1438 * flow.c (calculate_globlal_regs_live): Add documentation about
1439 how the algorithm works, and how we know that it will terminate.
1440 Check that the the inductive assumption that guarantees
1441 termination actually holds.
1442 (mark_used_regs): Treat conditionally set registers as used.
1443 (debug_regset): Add comment.
1444 * rtl.texi (cond_exec): Add documentation.
1446 * function.c (expand_function_start): Avoid creating BLKmode
1449 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1451 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
1452 DIE, even if it has no children.
1453 (dwarf2out_finish): Always output the line-number table, even if
1456 2001-05-18 David Edelsohn <edelsohn@gnu.org>
1458 * rs6000.md (movsfcc,movdfcc): Remove NE case.
1460 2001-05-17 Bruce Korb <bkorb@gnu.org>
1462 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
1463 * fixinc/genfixes: emit a warning if AutoGen is out of date
1465 2001-05-17 Brendan Conoboy <blc@cygnus.com>
1466 Bruce Korb <bkorb@gnu.org>
1468 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
1469 found in fixinc directory. Facilitates binary distributions.
1471 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
1473 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
1476 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
1478 * dwarf2out.c (modified_type_die): Equate qualified type to die.
1480 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1482 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
1483 (simplify_subreg): Handle complex types represented as CONCAT.
1485 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
1486 * rtl.h (swap_commutative_operands_p): Declare.
1487 * rtlanal.c (swap_commutative_operands_p): New.
1488 (operand_preference): New static function.
1490 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
1491 (gen_binary): Likewise.
1492 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
1493 * simplify-rtx.c (simplify_gen_binary,
1494 simplify_gen_relational): Likewise.
1496 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1498 * cse.c (fold_rtx): Use simplify_subreg.
1500 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
1501 (simplify_gen_subreg): New.
1502 (simplify_rtx): Use simplify_subreg.
1503 * rtl.h (simplify_gen_subreg): Declare.
1505 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1507 * doc/install.texi: Update Solaris information.
1509 * except.h (protect_cleanup_actions): Remove it.
1510 (lang_protect_cleanup_actions): Declare it.
1511 * except.c (protect_cleanup_actions): Remove it.
1512 (lang_protect_cleanup_actions): New variable.
1513 (init_eh): Don't make protect_cleanup_actions a GC root.
1514 (expand_eh_region_and_cleanup): Call
1515 lang_protect_cleanup_actions.
1516 (output_function_exception_table): Remove unused `align'
1518 * varasm.c (assemble_external): Abort if we have not yet
1519 opened the assembly output file.
1521 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
1523 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
1524 for eh_personality_libfunc.
1526 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1528 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
1529 when calling simplify_subreg. This is needed to allow replacing
1530 of expression of one mode by expression of different mode.
1532 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1534 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
1536 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1538 * expr.c (protect_from_queue): Protect against subsequent calls to
1540 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
1543 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
1545 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
1547 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1549 * gccbug.in (CATEGORIES): Add "bootstrap".
1551 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1553 * simplify-rtx.c (simplify_subreg): Break out from ...
1554 * combine.c (combine_splify_rtx) ... here and ...
1555 * recog.c (validate_replace_rtx_1): ... here;
1556 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
1557 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
1558 (subreg_lowpart_p): ... here.
1560 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1562 * stmt.c (expand_asm_operands): For inout operands, make sure
1563 the substitution of '=' for '+' makes it into the rtl.
1565 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
1566 (reload_as_needed): Call update_eliminable_offsets a bit later.
1568 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1570 * gcc.texi (gccbug): Refer to the web pages for detailed information
1573 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1575 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
1577 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
1578 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
1579 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
1580 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
1581 * cross-make: Don't set LIBGCC1.
1582 * mklibgcc.in: Delete all code for building from libgcc1.c.
1583 Always honor LIB1ASMFUNCS if set.
1585 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
1586 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
1587 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
1588 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
1589 config/i386/uwin.asm, config/m68hc11/larith.asm,
1590 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
1591 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
1592 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
1593 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
1594 Delete or update references to libgcc1 in commentary.
1596 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
1597 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
1598 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
1599 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
1600 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
1601 config/arm/t-semi, config/arm/t-strongarm-coff,
1602 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
1603 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
1604 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
1605 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
1606 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
1607 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
1608 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
1609 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
1610 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1611 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
1612 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
1613 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
1614 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
1615 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
1616 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
1617 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
1618 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
1619 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
1620 config/mips/t-ultrix, config/mn10200/t-mn10200,
1621 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
1622 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
1623 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
1624 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
1625 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
1626 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
1627 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
1628 config/sparc/t-sparclite, config/sparc/t-splet,
1629 config/sparc/t-sunos41, config/sparc/t-vxsparc,
1630 config/sparc/t-vxsparc64, config/v850/t-v850:
1631 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
1633 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
1634 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
1635 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
1636 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
1637 nongcc_SI_type, nongcc_word_type, or perform_*
1638 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
1640 * config/i386/386bsd.h, config/i386/beos-elf.h,
1641 config/i386/linux-aout.h, config/i386/linux-oldld.h,
1642 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
1643 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
1644 Don't include i386/perform.h.
1646 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
1647 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
1648 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
1649 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
1650 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
1651 config/vax/t-openbsd, config/vax/t-vax: Delete.
1653 * config.gcc: Remove references to deleted files.
1654 (arm-semi-aof): Use arm/t-semi for tmake_file.
1656 * gcc.texi, install.texi, invoke.texi, tm.texi:
1657 Delete or rewrite text which is no longer relevant now that
1658 libgcc1 no longer exists.
1660 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
1661 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
1663 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
1664 Bruce Korb <bkorb@gnu.org>
1666 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
1669 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1671 * i386.md: Add two peepholes to clean up code generated by
1674 2001-05-16 Richard Henderson <rth@redhat.com>
1676 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
1677 variants of non-absolute encodings.
1679 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1681 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
1682 __register_frame_info_table_bases): Export.
1684 2001-05-16 Richard Henderson <rth@redhat.com>
1686 * except.c (eh_data_format_name): Move to ...
1687 * dwarf2asm.c: ... here. Use designated initializers if available.
1688 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
1689 * dwarf2asm.h: Update declarations.
1690 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
1691 ASM_PREFERRED_EH_DATA_FORMAT.
1692 (output_call_frame_info): Likewise. Use 'L' augmentation for
1695 * unwind-dw2-fde.h (struct fde_vector): New.
1696 (struct old_object): Rename from struct object.
1697 (struct object): New.
1698 (__register_frame_info_bases): Declare.
1699 (__register_frame_info_table_bases): Declare.
1700 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
1701 * unwind-dw2-fde.c (objects): Remove.
1702 (unseen_objects, seen_objects): New.
1703 (__register_frame_info_bases): New.
1704 (__register_frame_info): Use it.
1705 (__register_frame_info_table_bases): New.
1706 (__register_frame_info_table): Use it.
1707 (__deregister_frame_info): Rewrite for changed object struct.
1708 (base_from_object, get_cie_encoding, get_fde_encoding): New.
1709 (fde_unencoded_compare): Rename from fde_compare; uninline.
1710 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
1711 (start_fde_sort): Adjust for new definition of fde_vector.
1712 (fde_insert): Likewise.
1713 (end_fde_sort): Likewise. Select comparison function based
1714 on properties of the object.
1715 (fde_split): Take object and fde_compare_t arguments.
1716 (frame_heapsort, fde_merge): Likewise.
1717 (classify_object_over_fdes): Rename from count_fdes. Handle
1718 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
1720 (add_fdes): Handle encoded pointers.
1721 (init_object): Rename from frame_init. Update for new struct object.
1722 (linear_search_fdes): Rename from search_fdes. Handle encoded
1724 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
1725 (binary_search_single_encoding_fdes): New.
1726 (binary_search_mixed_encoding_fdes): New.
1727 (search_object): New.
1728 (_Unwind_Find_FDE): Update for new struct object. Fill in
1730 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
1731 iterating over EH data.
1732 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
1733 fde_encoding, lsda_encoding.
1734 (read_uleb128, read_sleb128): Remove.
1735 (read_encoded_pointer): Remove. All callers use read_encoded_value.
1736 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
1737 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
1739 * unwind-pe.h: Add "struct" to _Unwind_Context references.
1741 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1743 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
1744 * cpphash.c (_cpp_lookup_with_hash): Similarly.
1745 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
1746 cpp_spell_token, cpp_output_token): Similarly.
1747 * cpplib.c (lex_macro_node, do_undef, do_pragma,
1748 do_pragma_poison, parse_assertion, do_assert): Similarly.
1749 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
1750 save_parameter, _cpp_create_definition, check_trad_stringification,
1751 cpp_macro_definition): Similarly.
1752 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
1753 * c-lex.c (cb_undef, c_lex): Similarly.
1754 * fix-header.c (recognized_function): Similarly.
1755 * cpplib.h (NODE_LEN, NODE_NAME): New.
1756 (cpp_hashnode): Rename length len.
1758 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
1760 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1763 2001-05-16 Andreas Jaeger <aj@suse.de>
1765 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1767 * toplev.c: Include dwarf2asm.h for prototype of
1768 dw2_output_indirect_constants.
1770 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1772 * stmt.c (expand_asm_operands): Be able to offload addressof
1773 expression to memory. (PR optimization/185)
1775 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
1777 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
1778 applying distributive law.
1780 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1782 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1784 * gthr-dce.h (UNUSED): Attribute unused macro.
1785 (__gthread_key_dtor): Make arguments UNUSED.
1786 (__gthread_key_delete): Revise for compatibility with DRAFT4
1789 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1791 * doc/install.texi: Update AIX information.
1792 * README.RS6000: Remove obsolete file.
1794 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1795 Nathan Sidwell <nathan@codesourcery.com>
1797 * gcc.c (give_switch): Don't write before start of string.
1798 Always append suffix.
1800 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1802 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1805 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1807 * README.ALTOS: Remove obsolete file.
1809 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1811 * c-lex.h (save_and_forget_protocol_qualifiers,
1812 forget_protocol_qualifiers, remember_protocol_qualifiers):
1813 Remove deleted functions' prototypes.
1815 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1817 * c-parse.in (methodtype): New production.
1818 (methoddef, methodproto): Collapse separate '-' and '+'
1821 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1823 * c-common.h (RID_FIRST_PQ): New.
1824 * c-parse.in (objc_pq_context): New.
1825 (objc parser): Set objc_pq_context rather than calling
1826 remember_protocol_qualifiers and forget_protocol_qualifiers.
1827 Don't call save_and_forget_protocol_qualifiers.
1828 (yylexname): Handle objc protocol qualifiers here.
1829 * stringpool.c (struct str_header): Replace with sp_hashnode.
1830 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
1831 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
1832 Allocate an IDENTIFIER_NODE for each identifier.
1833 (FORALL_STRINGS, set_identifier): Delete.
1834 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
1835 (ggc_alloc_string): Use an obstack.
1836 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1837 * tree.h: Update comments.
1838 (set_identifier): Delete.
1839 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
1840 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
1841 remember_protocol_qualifiers): Delete.
1843 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
1845 * flow.c (life_analysis): After life analysis is complete, do
1846 an optional scan over insns looking for REG_LABEL notes that
1847 reference a deleted label.
1848 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1849 before peeking at LABEL_NUSES.
1851 2001-05-15 Richard Henderson <rth@redhat.com>
1853 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1854 (_Unwind_GetTextRelBase): New.
1856 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1858 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1860 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
1862 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
1863 so that CHOOSE_SECTION gets used.
1865 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
1866 TARGET_RELOCATABLE like flag_pic for now.
1868 2001-05-15 David Edelsohn <edelsohn@gnu.org>
1870 * rs6000.md (movdi splitter): Sign extend more efficiently.
1871 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
1872 to "long long" valid on 32-bit and 64-bit hosts.
1873 (logical_operand): Cast trunc_int_for_mode return value.
1874 (rs6000_emit_move): Shift macro to encapsulate variable.
1875 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
1876 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
1877 plus_constant requires signed argument.
1879 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1881 * gthr-posix.h: Make additional pthread-* functions weak.
1883 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1885 * recog.c (apply_change_group): Avoid unneeded validating.
1887 2001-05-14 David Edelsohn <edelsohn@gnu.org>
1889 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
1890 (num_insns_constant): CONST_INT can be 64-bits.
1892 2001-05-14 Stan Shebs <shebs@apple.com>
1894 * config/darwin.h (LIB_SPEC): Just use -lSystem.
1895 (LIBGCC_SPEC): Don't define.
1897 2001-05-14 Richard Henderson <rth@redhat.com>
1899 * configure.in (gcc_cv_as_eh_frame): New test.
1900 * config.in, configure: Rebuild.
1901 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1903 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1905 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1906 extended precision divide.
1908 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1910 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1911 for RETURNS as well.
1913 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1915 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
1916 (CPP_CPU??_SIZE_TYPE): New.
1917 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
1918 (CPP_CPU_SPEC): ... here; support choosing of CPU.
1919 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
1920 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
1922 * i386.c (override_options): Add sorry about not suported modes.
1924 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
1926 * config/pa/som.h (NM_FLAGS): Remove.
1927 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1928 (ASM_OUTPUT_SECTION_NAME): Remove.
1929 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1931 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1933 * regrename.c (regrename_optimize): Do not rename registers to
1936 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1938 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1939 contain MEMs. Remove useless distinction about clobbering
1942 2001-05-13 Geoff Keating <geoffk@redhat.com>
1944 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
1945 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
1946 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
1947 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1948 (EXCEPTION_SECTION): Define.
1950 2001-05-13 Zack Weinberg <zackw@stanford.edu>
1952 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
1953 binary backward compat only.
1954 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
1955 in LIB2FUNCS. Pass it to mklibgcc.
1956 * mklibgcc.in: Handle LIB2FUNCS_ST.
1958 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
1960 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1962 * tm.texi (THREAD_MODEL_SPEC): Document it.
1963 * gcc.c (main): Use it.
1964 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1965 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1967 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1969 * rtl.h (SYMBOL_REF_WEAK): New macro.
1970 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1971 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1972 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1973 * gcc.texi: Remove wrong description.
1975 2001-05-13 Mark Mitchell <mark@codesourcery.com>
1977 * Makefile.in (STAMP): New macro.
1978 Replace all uses of `touch' with $(STAMP).
1979 * fixinc/Makefile.in: Likewise.
1981 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1983 * configure.in: ldopen is never in -lexc, so don't test for it.
1984 Add test for exc_resume in -lexc for Ada.
1985 * configure: Regenerated.
1987 2001-05-12 Richard Henderson <rth@redhat.com>
1989 * dwarf2asm.c (size_of_encoded_value): New function.
1990 * dwarf2asm.h: Declare it.
1991 * except.c (output_function_exception_table): Align the TType
1992 array only as wide as the encoding.
1994 2001-05-12 Zack Weinberg <zackw@stanford.edu>
1996 * extend.texi: Document #pragma GCC java_exceptions.
1998 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2000 * c-parse.in (bison parser, init_reswords): Remove uses of
2002 * c-tree.h (doing_objc_thang): Remove.
2004 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2006 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
2007 about files not ending in newlines.
2009 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2011 * dwarfout.c (dwarfout_init): Add cast.
2012 * sched-deps.c (sched_analyze_insn): Remove unused vars.
2013 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
2015 * method.c (build_mangled_C99_name): Remove unused prototype.
2017 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2019 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
2021 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2023 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
2024 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
2026 2001-05-11 Richard Henderson <rth@redhat.com>
2028 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2029 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
2030 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
2031 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
2032 (dw2_output_indirect_constants): Prototype.
2033 * dwarf2out.c (dwarf2out_begin_prologue): Generate
2034 current_function_func_begin_label if we'll need it for EH. Exit
2035 early for IA64_UNWIND_INFO.
2036 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
2037 (eh_data_format_name): Update for indirect references.
2038 (output_function_exception_table): Care for IA64_UNWIND_INFO.
2039 Handle ASM_PREFERRED_EH_DATA_FORMAT.
2040 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
2041 define HAVE_eh_return etc.
2042 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
2043 (final_end_function): Don't call output_function_exception_table.
2044 * toplev.c (compile_file): Call dw2_output_indirect_constants.
2045 (rest_of_compilation): Invoke output_function_exception_table
2046 for ia64 before assemble_end_function.
2047 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
2048 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
2050 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
2051 * unwind.h: Declare them.
2052 * libgcc-std.ver: Export them.
2053 * unwind-pe.h: New file.
2055 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2057 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
2059 (find_fde_for_dso): Extract DT_PLTGOT.
2060 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
2061 the segment and gp as well.
2062 * config/ia64/frame-ia64.c: Remove file.
2063 * config/ia64/frame-ia64.h: Remove file.
2064 * config/ia64/unwind-ia64.c: New file.
2065 * config/ia64/unwind-ia64.h: New file.
2066 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
2067 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
2068 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
2069 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2070 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2071 (IA64_UNWIND_INFO): Re-enable.
2072 (HANDLER_SECTION): Remove.
2073 (EH_RETURN_DATA_REGNO): New.
2074 * config/ia64/ia64.md (exception_receiver): Remove.
2075 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
2076 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
2078 2001-05-11 Richard Henderson <rth@redhat.com>
2080 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
2081 calls and jumps to be bundled together.
2082 (ia64_reorg): Emit a break after a noreturn call that ends
2084 * config/ia64/ia64.md (break_f): New.
2086 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2088 * c-lex.c (lex_charconst): Convert into a simple wrapper
2089 around cpp_interpret_charconst, to which most of the code
2091 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
2092 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
2093 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
2094 (lex): Use cpp_interpret_charconst.
2095 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
2096 hex_digit_value): New functions.
2097 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
2098 * cpplib.h (cpp_interpret_charconst): New prototype.
2099 * Makefile.in: Update.
2101 2001-05-12 Dean Wakerley <dean@wakerley.com>
2103 * doc/install.texi: New file. Converted to texinfo from the HTML
2104 documentation in wwwdocs/htdocs/install.
2106 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
2108 * gcse.c (insert_insn_end_bb): Do not search for assignments to
2109 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2111 * toplev.c (compile_file): Move comment for opening output
2112 file to just before the code that opens the output file.
2114 2001-05-11 Jakub Jelinek <jakub@redhat.com>
2116 * regmove.c (regmove_optimize): Suppress the optimization for
2117 unchanging destination register. Add comment above function.
2119 2001-05-11 Zack Weinberg <zackw@stanford.edu>
2121 * Makefile.in: Exterminate all references to assert.h.
2122 * cross-make: Likewise.
2124 * configure.in: Correct commentary.
2125 * configure: Regenerate.
2127 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
2130 * config/t-freebsd, config/t-linux, config/t-linux-aout,
2131 config/t-netbsd, config/t-rtems, config/x-linux,
2132 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
2133 No need to override INSTALL_ASSERT_H.
2135 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
2136 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
2137 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
2139 2001-05-11 Graham Stott <grahams@redhat.com>
2141 * combine.c (simplify_comparison): Fix typo.
2143 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2145 * loop.h (struct movables): Remove `num'.
2146 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
2147 Adjust call to strength_reduce.
2148 (num_unmoved_movables): New function.
2149 (move_movables): Don't set movables->num.
2150 (strength_reduce): Compute the number of instructions in the loop
2151 here, rather than in the caller.
2152 (check_dbra_loop): Always clear reversible_mem_store if there
2153 are any memory sets.
2154 (loop_regs_scan): Don't count instructions here.
2155 (count_insn_in_loop): New function.
2157 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2159 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
2161 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
2163 * c-common.c (finish_label_expr): New function, lifted from
2164 from cp/semantics.c.
2165 * c-common.h (finish_label_expr, lookup_label): New prototypes.
2166 * c-parse.in: Move 3 blocks of parser code into new functions.
2167 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
2168 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
2169 (lookup_label): Remove.
2171 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
2173 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
2174 FLOAT_BIT_ORDER_MISMATCH.
2176 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2178 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
2179 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
2181 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2183 * expr.c (emit_group_load): extract_bit_field requires a REG or
2186 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
2188 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
2189 a computed jump into an unconditional jump.
2190 In second hunk of code for collapsing computed and conditional jumps
2191 into unconditional jumps, reemit the jump in additional cases.
2193 * jump.c (jump_optimize_1): Do not wrap the new jump target
2194 inside a LABEL_REF; gen_jump will do that automatically.
2196 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
2198 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
2199 contents for a SYMBOL_REF in case of floating point constants.
2201 2001-05-10 DJ Delorie <dj@redhat.com>
2203 * c-common.c (combine_strings): Widen strings in a
2204 host-endian-independent way.
2206 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
2208 * c-parse.in: Remove many shift/reduce conflicts. Update
2210 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
2211 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
2212 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
2213 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
2214 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
2215 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
2216 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
2217 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
2218 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
2219 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
2220 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
2221 typespec_reserved_nonattr, typespec_reserved_attr,
2222 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
2223 structsp_nonattr, components_notype, component_notype_declarator,
2224 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
2225 firstparm, setspecs_fp): New
2226 (typed_declspecs, reserved_declspecs, typed_typespecs,
2227 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
2228 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
2229 declmods_no_prefix_attr, nonempty_type_quals, structsp,
2230 type_quals): Remove. Users updated.
2231 (initdecls, notype_initdecls, after_type_declarator,
2232 parm_declarator, notype_declarator, absdcl1, components, ivars):
2233 Don't allow attributes at the start of a declarator; include them
2234 in the production containing the declarator instead. Always
2235 require type specifiers before trying to redeclare a typedef name.
2236 (typename): Allow for attributes but warn that they are ignored.
2237 (parmlist, firstparm, setspecs_fp): Include attributes in
2238 parmlist; suck them off the parser stack in firstparm using
2241 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
2243 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
2244 to determine if a block has an unconditional jump at its end.
2246 * jump.c (jump_optimize_1): When converting a conditional jump
2247 to an unconditional jump, build the jump using gen_jump instead
2248 of just modify operands in-place.
2250 2001-05-09 Zack Weinberg <zackw@stanford.edu>
2252 * cppinit.c (cpp_post_options): Shut off macro expansion if
2254 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
2255 IN_I directives only if the # is in column 1 and the directive
2256 name begins in column 2.
2257 * cppmain.c (scan_buffer): Insert a space between # and an
2258 identifier, when that identifier is a directive name.
2260 * tradcpp.c (struct file_buf): Add a pointer to the next entry
2261 in the header search path.
2262 (enum node_type): Add T_INCLUDE_NEXT.
2263 (directive_table): Add entry for include_next.
2264 (do_include_next): New function.
2265 (process_include): New routine, broken out of do_include.
2266 (finclude): Insert 'nhd' argument, to be copied into
2267 next_header_dir of the new buffer.
2268 (main): Adjust to match.
2269 * gsyslimits.h, limity.h: Un-indent #include_next.
2271 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
2273 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
2274 inclusion as a chapter of the GCC manual.
2275 * gcc.texi: Include objc.texi.
2276 * fdl.texi: Use @unnumberedsec for the addendum.
2277 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
2279 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2281 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
2283 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
2285 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
2286 handling of two-address insns.
2288 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
2290 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
2291 ../binutils/nm-new instead of ../binutils/nm.
2293 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2295 * i386.md (movdi splitter): Fix the splitting condition
2296 (float_extenddftf splitter): Fix mode.
2298 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
2300 * genrecog.c (write_switch): Avoid outputting of switch for
2301 types wider than int.
2303 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
2305 * reload1.c (copy_eh_notes): New function.
2306 (emit_input_reload_insns): Call it.
2307 (emit_output_reload_insns): Call it.
2309 2001-05-07 Zack Weinberg <zackw@stanford.edu>
2311 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
2313 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
2314 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
2316 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
2318 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
2320 * pa.md (interspace_jump): Revise comment.
2321 (builtin_longjmp): Block initial setup insns from delay slot of
2323 (builtin_setjmp_receiver): New expander to save and restore PIC
2326 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
2328 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
2330 * toplev.c (compile_file): Set up the output file before we call
2331 the various initializers for the compiler.
2333 * except.c (sjlj_mark_call_sites): Do not search for assignments to
2334 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2336 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
2337 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
2339 2001-05-06 Zack Weinberg <zackw@stanford.edu>
2341 * Makefile.in (tradcpp0): Correct typo in dependency list.
2343 2001-05-06 Geoff Keating <geoffk@redhat.com>
2345 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
2346 the link register if we're not going to use it.
2348 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
2349 (output_function_profiler): Likewise.
2351 2001-05-07 Alan Modra <amodra@one.net.au>
2353 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
2355 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
2357 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
2358 zero-extend it. Make abs_inc unsigned.
2360 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
2361 widest mode in narrowing and widening operations.
2363 * config/mips/mips.md: Sign extend CONST_INTs.
2365 2001-05-06 Andreas Jaeger <aj@suse.de>
2367 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
2368 (i386 Options): Document -momit-leaf-frame-pointer.
2370 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
2372 * c-typeck.c (internal_build_compound_expr): Check for
2373 array to pointer conversion just once.
2375 2001-05-05 Richard Henderson <rth@redhat.com>
2377 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
2379 2001-05-05 Richard Henderson <rth@redhat.com>
2381 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
2382 to the parent of the fixup region.
2384 2001-05-05 Jakub Jelinek <jakub@redhat.com>
2386 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
2388 * cpp.texi (__NO_INLINE): Document it.
2390 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
2392 * cppfiles.c (struct include_file): New member err_no.
2393 (find_or_create_entry): Set it.
2394 (open_file): Don't set fds to -2. Instead, use err_no to
2395 remember previous errors, if any.
2397 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2399 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
2400 between X and Y by using sequences of xgdx and xgdy.
2402 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2404 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
2405 of '!' for the 'D' alternative ('!' is too strong).
2406 ("*logicalsi3_silshl16"): Likewise.
2407 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
2408 ("movstrictsi"): Remove spurious '+'.
2409 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
2410 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
2411 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
2414 2001-05-04 David Edelsohn <edelsohn@gnu.org>
2416 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
2418 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
2420 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
2423 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2425 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
2428 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2430 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
2431 soft register, use ror instead of rol.
2433 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2435 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
2436 into account pre/post increment decrement for 68HC12.
2437 Fix other problems in replacement and fix call to reg_mentioned_p.
2439 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2441 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
2442 Put the soft registers in bss for 68HC12.
2443 (L_regs_d3_4): New for _.d3 and _.d4.
2444 (L_regs_d5_6): Likewise.
2445 (L_regs_d1_2): Likewise.
2446 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
2448 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2450 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
2451 to the pre-processor when -fshort-double is specified.
2452 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
2454 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2456 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
2457 (__mulsi3): Rewrite for 68HC12.
2458 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
2459 Mark 'x' constraint with earlyclobber to prevent a
2460 RELOAD_FOR_OTHER_ADDRESS to go in it.
2461 (mulhi3_m68hc12): New pattern.
2462 (mulhi3_m68hc11): Rename of mulhi3.
2463 (mulhi3): New expand for 68HC12 optimisation.
2464 (umulhisi3, mulhisi3): New patterns for 68HC12.
2466 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2468 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
2469 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
2470 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
2472 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2474 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
2475 constants cheap after reload.
2476 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
2478 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
2479 so that gcc prefers a shift by 16.
2480 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
2482 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
2484 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
2486 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2488 * alpha.h: NULL_PTR -> NULL.
2495 * i386.md: Likewise.
2498 * m68hc11.h: Likewise.
2499 * rs6000.h: Likewise.
2502 * sparc.h: Likewise.
2506 * final.c: Likewise.
2508 * recog.c: Likewise.
2510 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2512 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
2513 `bool' parameter to `int'.
2515 * hash.c (hash_lookup): Likewise.
2517 * hash.h (hash_lookup): Likewise.
2519 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
2521 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2523 * i386.c (x86_initialize_trampoline): Fix mode of constant.
2525 2001-05-03 Geoff Keating <geoffk@redhat.com>
2527 * invoke.texi (i386 Options): Delete references to -malign-jumps,
2528 -malign-loops, -malign-functions.
2529 * i386.c (ix86_align_funcs): Delete.
2530 (ix86_align_loops): Delete.
2531 (ix86_align_jumps): Delete.
2532 (override_options): Mark -malign-* as obsolete. Emulate their
2533 behaviour with the -falign-* options. Default -falign-* from
2534 the processor table.
2535 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
2536 patch of Wed May 2 13:09:36 2001.
2537 (LOOP_ALIGN): Delete.
2538 (LOOP_ALIGN_MAX_SKIP): Delete.
2539 (LABEL_ALIGN_AFTER_BARRIER): Delete.
2540 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
2542 2001-05-04 Andreas Jaeger <aj@suse.de>
2544 * except.h: Add prototype declaration for
2545 expand_builtin_init_dwarf_reg_sizes.
2547 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
2549 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
2551 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2553 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
2555 ("bitcmpqi2"): New pattern for bit-extract and test.
2556 ("bitcmphi"): New pattern for bitb/bita instructions.
2558 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
2560 * gccbug.in: Use a temporary directory when the mktemp command is
2563 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2565 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
2567 (INITIALIZE_TRAMPOLINE): Call it.
2568 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
2569 (TRAMPOLINE_TEMPLATE): Remove.
2570 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
2571 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
2574 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2576 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
2577 and crtendS.o with PIC.
2579 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2581 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2583 (___subdi3, ___adddi3): Use x instead of y as index register.
2584 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2585 (__memset, __memcpy): Likewise.
2586 (regs): Put the soft registers in bss for 68HC12.
2587 (abort): Use trap to abort for 68hc12.
2588 (__mulhi3, __mulhi32): Use emul for 68hc12.
2589 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2591 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2593 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2594 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2595 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2596 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2597 Set 68HC12 min offset to -65536.
2598 (print_operand): Put parenthesis arround the operand if it refers
2599 to a symbol having the same name as a register.
2600 (m68hc11_z_replacement): When z register is replaced by its
2601 equivalent soft register, force the insn to be re-recognized.
2602 (m68hc11_check_z_replacement): Fix the test when destination is
2603 the index register and z dies in the insn.
2604 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2606 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2608 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2609 costs according to processor variant.
2610 (m68hc11_shift_cost): New function to compute shift costs.
2611 (m68hc11_rtx_costs): Define costs according to processor variant.
2612 (m6811_cost): Costs for 68HC11.
2613 (m6812_cost): Costs for 68HC12.
2614 (COSTS_N_INSNS): Remove.
2616 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2617 (DEFAULT_RTX_COSTS): Remove.
2618 (CONST_COSTS): Define costs according to OUTER_CODE.
2619 (processor_costs): New struct to define costs.
2620 (m68hc11_cost): Pointer to current costs.
2622 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2624 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2625 and use m68hc11_notice_keep_cc when using leax/leay.
2626 (addhi3 split): Reject split if the insn is handled by
2628 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2629 push must be handled in a special way if the source operand uses
2630 sp as index register.
2631 (m68hc11_notice_keep_cc): New function.
2632 (m68hc11_gen_movhi): Use it when an insn changes a register but
2634 (m68hc11_gen_movqi): Fix move for 68HC12.
2635 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2637 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2639 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2640 and don't pass operands[0] to emit_library_call_value.
2642 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2644 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2645 (zero_extendsi split): Simplify and use (zero_extendhi).
2646 (*addhi3): Remove 'w' constraint since stack pointer is handled
2648 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2649 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2650 (*ashrhi3_const): Fix shift by 7.
2651 (*lshrsi3_const16): Fix template.
2652 (call, call_value): Fix constraint and predicate.
2654 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2656 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2657 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2658 (CC_REGNUM): Likewise.
2659 (*unnamed splits): Use above constants instead of hard coded numbers.
2660 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2661 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2662 (*return_16bit, *unnamed peepholes): Likewise.
2664 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2666 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
2667 rs6000/rs6000.h twice.
2669 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
2671 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
2672 (CPP_SPEC): Conditionally define MSDOS and GO32.
2673 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
2674 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
2676 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
2678 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2680 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
2682 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2684 * integrate.h (struct inline_remap): Add leaf_reg_map table.
2685 * integrate.c (expand_inline_function): Use xcalloc to allocate
2687 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
2690 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2692 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
2695 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2697 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
2698 linker if -mrelax is given.
2699 (TARGET_SWITCHES): Document -mrelax.
2701 Re-installed 2001-01-09's patch:
2702 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2703 if it's wider than long and the target's long is wider than the
2706 2001-05-02 David O'Brien <obrien@FreeBSD.org>
2708 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
2709 directly include rs6000/rs6000.h. Instead do it in tm.h.
2711 2001-05-02 Stan Shebs <shebs@apple.com>
2713 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
2714 NSConstantString for NeXT-style runtimes.
2715 (STRING_OBJECT_GLOBAL_NAME): New macro.
2716 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
2717 OCTI_STRING_CLASS_DECL.
2718 (constant_string_global_id): New macro.
2719 (string_class_decl): Ditto.
2720 (setup_string_decl): New function.
2721 (build_objc_string_object): Use it to build a NeXT runtime
2722 compatible string initializer.
2724 2001-05-02 Jakub Jelinek <jakub@redhat.com>
2726 * tradcpp.c (do_define): Make sure we don't walk past limit.
2728 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2730 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
2731 offsets if not REG_OK_STRICT.
2733 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
2734 (INT_REG_OK_FOR_INDEX_P): Likewise.
2735 (INT_REG_OK_FOR_BASE_P): Likewise.
2736 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
2737 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
2738 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
2739 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
2740 REG_OK_FOR_BASE_P. Take an additional parameter.
2741 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
2742 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
2743 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
2744 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
2745 rs6000_legitimate_address() and use it.
2746 * config/rs6000/rs6000.c: Update all callers.
2747 (rs6000_legitimate_address): New function.
2749 2001-05-02 David Edelsohn <edelsohn@gnu.org>
2751 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
2752 special_constant conditional blocks together.
2754 2001-05-02 Dale Johannesen <dalej@apple.com>
2756 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2758 (STRICT_ARGUMENT_NAMING): Define.
2759 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2760 function_arg_partial_nregs, setup_incoming_varargs): Remove
2761 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2764 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2766 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
2768 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2771 * expr.c (store_field): Do nothing except elaborate side-effects if
2774 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2776 * c-lex.c: NULL_PTR -> NULL.
2778 * emit-rtl.c: Likewise.
2780 * genpeep.c: Likewise.
2782 * mips-tdump.c: Likewise.
2783 * reload1.c: Likewise.
2784 * rtlanal.c: Likewise.
2786 * stor-layout.c: Likewise.
2787 * toplev.c: Likewise.
2789 2001-05-01 Per Bothner <per@bothner.com>
2791 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2792 call do_pending_stack_adjust before emiting label.
2794 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2796 * extend.texi: Fix typo.
2798 2001-05-01 Stan Shebs <shebs@apple.com>
2800 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2801 of UOBJC_MODULES_decl.
2802 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2803 (generate_descriptor_table): Ditto.
2804 (generate_protocols): Ditto.
2805 (generate_protocol_list): Ditto.
2806 (generate_classref_translation_entry): Ditto.
2808 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2810 * invoke.texi (Optimize Options): Add documentation for `--param
2811 max-delay-slot-insn-search' and `--param
2812 max-delay-slot-live-search' and reorder --param section.
2813 * params.def: Modify initial comment.
2814 * params.h (param_info): Add `help' member.
2815 * toplev.c (lang_independent_params): Include `help' description.
2816 (display_help): Print --param parameters.
2818 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2820 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
2821 Remove references to deleted files.
2822 (*-*-openbsd): No need to override xmake_file.
2823 (*-*-sysv4): Treat like *-*-sysv.
2825 * configure.in: Probe for ldopen in various places, and set up
2826 collect2 to be linked with them if found.
2827 Don't dink with Windows registry stuff unless $host_os is a
2828 Win32 os name. Check to see if we need -ladvapi32.
2829 * configure: Regenerate.
2831 * Makefile: Get rid of CLIB and HOST_CLIB.
2832 Substitute in COLLECT2_LIBS and link collect2 against its contents.
2833 * build-make: Get rid of HOST_CLIB.
2835 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2836 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2837 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2838 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
2839 config/rs6000/x-rs6000: Delete.
2841 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
2844 24 x-host fragments remain, 0 x-cpu, 3 top level.
2846 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2848 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
2849 * configure: Regenerate.
2851 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
2853 * Makefile.in (install-headers): Remove redundant dependency.
2855 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2857 * c-tree.texi (USING_STMT): Document.
2859 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2861 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
2862 * c-common.c: Likewise.
2863 * c-decl.c: Likewise.
2864 * combine.c: Likewise.
2865 * rs6000.c: Likewise.
2866 * except.c: Likewise.
2867 * explow.c: Likewise.
2869 * fold-const.c: Likewise.
2870 * function.c: Likewise.
2873 * integrate.c: Likewise.
2875 * objc/objc-act.c: Likewise.
2876 * recog.c: Likewise.
2877 * reg-stack.c: Likewise.
2878 * reload.c: Likewise.
2879 * reload1.c: Likewise.
2880 * simplify-rtx.c: Likewise.
2882 * varasm.c: Likewise.
2884 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
2886 * diagnostic.def: New file.
2887 * diagnostic.h (diagnostic_t): New enum.
2888 * Makefile.in (diagnostic.o): Depend on diagnostic.def
2890 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2892 * tsystem.h: Test only POSIX for availability of string.h
2894 * config.gcc (all systems): If USG appeared in xm_defines,
2895 change it to POSIX. If both USG and POSIX appeared, just
2896 delete USG. Remove unnecessary quotes around xm_defines
2898 (m68k-crds-unos*): Don't #define unos - tested nowhere.
2899 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
2900 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
2901 powerpc-*-linux*): No need to set xm_defines - handled by
2902 global settings for *-*-linux*.
2904 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2906 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
2907 Always include gstab.h, not system stab.h. Don't provide
2908 default definitions of N_CATCH or N_OPT. Always use the
2909 gstab.h variant of STAB_CODE_TYPE.
2910 * final.c: Don't include stab.h/gstab.h at all, or provide
2911 defaults for N_SLINE and N_SOL.
2913 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
2914 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
2916 * sdbout.c: Always include gsyms.h instead of system syms.h.
2918 * configure.in: No need to check for stab.h.
2919 * configure, config.in: Regenerate.
2920 * Makefile.in (final.o): Don't depend on gstab.h.
2922 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2923 Richard Henderson <rth@redhat.com>
2925 * extend.texi: Improve documentation of volatile asms.
2927 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2929 * c-tree.texi: Fix thinko.
2930 * gcc.texi: Likewise.
2932 2001-04-30 Richard Henderson <rth@redhat.com>
2934 * c-common.c (c_promoting_integer_type_p): New function, from the
2935 corpse of old macro. Properly promote too-small enumerations and
2936 booleans. Adjust all callers.
2937 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2938 (c_promoting_integer_type_p): Declare.
2939 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2940 * c-typeck.c: Likewise.
2941 (default_conversion): Remove now redundant boolean check.
2943 2001-04-30 Jan Hubicka <jh@suse.cz>
2944 Richard Henderson <rth@redhat.com>
2946 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2948 (combine_stack_adjustments_for_block): Don't combine stack
2949 allocation followed by deallocations. Handle grow-up stacks.
2951 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2953 * fdl.texi: New file.
2954 * c-tree.texi: Use the GFDL.
2955 * gcc.texi: Likewise.
2957 2001-04-30 Stan Shebs <shebs@apple.com>
2959 * invoke.texi: Add a section documenting Objective-C options.
2961 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
2963 * emit-rtl.c (try_split): Copy EH notes to sequence.
2965 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2967 * regmove.c (record_stack_memrefs): Catch all references to the
2970 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
2972 * Makefile.in (stmp-fixinc): quote shell assignment values
2974 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2976 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
2980 * prefix.c: Likewise.
2982 2001-04-28 Stan Shebs <shebs@apple.com>
2984 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
2985 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
2986 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
2987 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
2989 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
2990 (NEXT_OBJC_RUNTIME): Define.
2992 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2994 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
2995 * simplify-rtx.c (simplify_gen_relational): Likewise.
2997 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
2999 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
3000 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
3002 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
3003 registers in SSE case; fix handling of the immediates.
3004 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
3005 operands to be in regsiters before reload.
3006 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
3007 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
3008 (abstf,absxf,negtf,negxf splitters): Compute
3009 properly the regnum for x86_64.
3010 (avsdf2_if_rex64): New.
3012 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
3014 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
3015 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
3016 into the constant pool.
3017 * jump.c (jump_optimize_1): Remove barrier successors after all
3018 the LABEL_NUSES counds have been computed.
3019 (delete_barrier_successors): When deleting a tablejump insn, also
3020 delete the jump table it uses.
3021 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
3024 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
3026 * pa.c (FRP): Remove erroneous white space in macro definition.
3028 2001-04-28 Andreas Jaeger <aj@suse.de>
3030 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
3032 * extend.texi: Likewise.
3033 * tm.texi: Likewise.
3035 2001-04-28 Andreas Jaeger <aj@suse.de>
3037 * md.texi: Use XX-bit instead of XXbit or XX bit where
3040 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
3042 * gcc.c (process_command): Allow -l lib in addition to -llib
3043 for POSIX compliance. This fixes PR c/2347.
3045 * invoke.texi: Update section on Link Options accordingly.
3047 2001-04-27 Zack Weinberg <zackw@stanford.edu>
3049 * function.c (purge_addressof_1): Remove the duplicate
3050 if (code == SET) block. Fold the two if (code == ADDRESSOF)
3053 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
3055 * except.c (expand_eh_region_start): Don't start a new block.
3056 (expand_eh_region_end): Don't end a block.
3057 * stmt.c (expand_end_bindings): Don't end EH blocks.
3058 (expand_decl_cleanup): Starting an EH region won't change the block.
3059 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
3060 (is_eh_region): Lose.
3063 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
3065 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
3067 * collect2.c (main): Add `-L' case to remove duplicate entries.
3068 (is_in_args): New function to check for a duplicate argument.
3069 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
3070 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
3071 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
3072 Define to be nonzero.
3074 2001-04-27 Andreas Jaeger <aj@suse.de>
3075 Richard Henderson <rth@redhat.com>
3077 * md.texi (Machine Constraints): Document additional i386
3078 constraints and fix description of "A".
3080 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
3082 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
3084 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
3086 * except.c (get_exception_filter): word_mode, not Pmode.
3088 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
3090 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
3091 common to other movsf patterns. Move up so that in future
3092 people who change the other patterns will change it too.
3093 (movsf_lo_sum): Allow even for soft-float; add appropriate
3095 (movsf_high): Likewise.
3096 (movsf_high+1): Allow even for soft-float.
3098 * function.c (expand_function_end): Always clobber the
3099 return registers, even if there is no return label.
3101 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3103 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
3105 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
3107 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
3108 (pushqi2_rex64, pushhi2_rex64): Add.
3110 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
3112 * except.c (expand_eh_region_end_cleanup): Force pending stack
3113 adjust before emitting label that branches around cleanup code.
3115 2001-04-26 H.J. Lu (hjl@gnu.org)
3117 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
3119 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
3121 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
3122 (ASM_OUTPUT_SECTION_NAME): Likewise.
3123 (ASM_WEAKEN_LABEL): Likewise.
3124 (UNIQUE_SECTION): Likewise.
3125 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3126 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3127 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
3128 (ASM_OUTPUT_SECTION_NAME): Likewise.
3129 (ASM_WEAKEN_LABEL): Likewise.
3130 (UNIQUE_SECTION): Likewise.
3131 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3132 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3133 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
3134 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
3135 (ASM_FILE_START): Likewise.
3136 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3137 (ASM_DECLARE_OBJECT_NAME): Likewise.
3138 (ASM_FILE_END): Likewise.
3139 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3140 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3141 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3142 (ASM_OUTPUT_CASE_LABEL): Likewise.
3143 (ASM_OUTPUT_SKIP): Likewise.
3144 (ASM_OUTPUT_ASCII): Likewise.
3145 (ASM_OUTPUT_IDENT): Likewise.
3146 (READONLY_DATA_SECTION): Likewise.
3147 (EXTRA_SECTIONS): Likewise.
3148 (EXTRA_SECTION_FUNCTIONS): Likewise.
3149 (SELECT_RTX_SECTION): Likewise.
3150 (SELECT_SECTION): Likewise.
3152 * config/mips/linux.h (INVOKE__main): Undefine.
3153 (CTOR_LIST_BEGIN): Likewise.
3154 (CTOR_LIST_END): Likewise.
3155 (DTOR_LIST_BEGIN): Likewise.
3156 (DTOR_LIST_END): Likewise.
3157 (SET_ASM_OP): Defined it to ".dummy".
3158 (ASM_OUTPUT_DEF): Defined.
3159 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
3161 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
3163 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
3164 assembler supports .p2align.
3166 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
3168 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
3170 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3172 * integrate.c (expand_inline_function): Check for error_mark_node
3175 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3177 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
3180 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
3182 * configure.in (configargs.h): Define thread_model.
3183 * configure: Rebuilt.
3184 * gcc.c (main): Print it with -v.
3186 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
3188 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
3189 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
3190 * gcc.1: Regenerate.
3192 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3194 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
3195 is_redundant_typedef): Use static inline instead of inline static.
3197 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
3199 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
3200 this directory is always searched.
3202 2001-04-25 Richard Henderson <rth@redhat.com>
3204 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
3205 of registers to restore along non eh_return path.
3207 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3209 * c-format.c (check_format_info_recurse): Handle
3210 PLUS_EXPR for format string.
3212 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3214 * config/ia64/ia64.h (CC1_SPEC): Define.
3215 * config/ia64/linux.h (CC1_SPEC): Define.
3217 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
3219 * emit-rtl.c (constant_subword): Also do sign extension in
3220 BITS_PER_WORD == 16 case.
3222 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
3224 * loop.c (try_swap_copy_prop): Go back to checking insn.
3226 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3228 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
3229 if check_mode is non-zero.
3231 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3233 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
3234 out and comparison sequence has been detected, put result into
3235 proper temporary pseudo.
3237 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3239 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
3240 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
3241 * libgcc2.c: Remove __dummy and __builtin_saveregs.
3242 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
3243 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
3244 for future reference.
3246 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
3248 * except.c (reachable_handlers): Step out one level from a RESX.
3250 * except.c (struct eh_region): Rename 'last' to 'resume'.
3251 (mark_eh_region, duplicate_eh_region_1): Adjust.
3252 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
3253 (build_post_landing_pads): Likewise.
3254 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
3255 (expand_eh_region_end_must_not_throw): Likewise.
3256 (connect_post_landing_pads): Thread (only) regions with non-deleted
3259 * except.c (expand_eh_region_end_cleanup): Save the EH return data
3260 registers around the cleanup.
3261 (get_exception_filter): New fn.
3262 (finish_eh_generation): Use it.
3264 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
3266 * c-semantics.c (add_scope_stmt): Don't call
3267 current_scope_stmt_stack multiple times.
3269 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3270 Nathan Sidwell <nathan@codesourcery.com>
3272 Lazy __FUNCTION__ generation.
3273 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
3274 RID_C99_FUNCTION_NAME): New _RIDs.
3275 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
3276 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
3277 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
3279 (function_id_node, pretty_function_id_node, func_id_node): Remove.
3280 (c99_function_name_decl_node, function_name_decl_node,
3281 pretty_function_name_decl_node, saved_function_name_decls):
3283 (struct language_function): Remove x_function_name_declared_p.
3284 (make_fname_decl): Remove a parameter.
3285 (declare_function_names): Remove prototype.
3286 (start_fname_decls, finish_fname_decls): Prototype.
3287 (fname_as_string): Likewise.
3288 (fname_string, fname_decl): Likewise.
3289 * c-common.c (make_fname_decl): Adjust.
3290 (struct fname_var_t): New struct.
3291 (fname_vars): New static array.
3292 (declare_function_name): Remove.
3293 (start_fname_decls, finish_fname_decls): New functions.
3294 (fname_as_string): New function from remnants of
3295 declare_function_name.
3296 (fname_string, fname_decl): New functions.
3298 * c-decl.c (c_function_name_declared_p): Remove.
3299 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
3300 don't call declare_function_name. Call start_fname_decls.
3301 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
3302 clobber the line number. Call finish_decl.
3303 (start_function): Call start_fname_decls.
3304 (finish_function): Call finish_fname_decls.
3305 Remove c_function_name_declared_p.
3306 (push_c_function_context): Don't push c_function_name_declared_p.
3307 (pop_c_function_context): Don't pop c_function_name_declared_p.
3308 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
3309 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
3310 (program): Call finish_fname_decls for C.
3311 (primary): Add VAR_FUNC_NAME.
3312 (reswords): Add slots for __FUNCTION__ et al.
3313 (rid_to_yy): Add mappings for __FUNCTION__ et al.
3314 (yylexname): If it's a STRING_FUNC_NAME generate the function name
3315 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
3316 * c-semantics.c (prune_unused_decls): Remove.
3317 (finish_stmt_tree): Don't call prune_unused_decls.
3318 (genrtl_decl_stmt): Don't prune unused decls here.
3320 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
3322 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
3323 constant pool, use the pool's SYMBOL_REF instead.
3325 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
3328 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
3330 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
3331 passing nested NOP_EXPRs to fold.
3333 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
3335 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
3337 2001-04-22 Mark Mitchell <mark@codesourcery.com>
3339 * loop.c (loop_delete_insns): Add prototype.
3341 2001-04-23 Phil Edwards <pme@sources.redhat.com>
3343 * configure.in: Remove ENABLE_STD_NAMESPACE.
3344 * config.in: Regenerated.
3345 * configure: Regenerated.
3347 2001-04-22 Stan Shebs <shebs@apple.com>
3349 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
3351 * config/rs6000/xm-darwin.h: Remove file.
3353 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3355 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
3356 (write_c_file_stat): Likewise.
3358 * dbxout.c (dbxout_init): Likewise.
3360 * profile.c (output_func_start_profiler): Likewise.
3362 2001-04-22 Philipp Thomas <pthomas@suse.de>
3364 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
3365 require it instead of the CVS version.
3366 * cpperror.c (v_message): Put a blank before the macro
3367 body to not confuse exgettext.
3369 2001-04-21 Mark Mitchell <mark@codesourcery.com>
3371 * flow.c (proagate_one_insn): Remove useless assignment.
3372 * jump.c (delete_insn): Tidy.
3373 * loop.c (try_copy_prop): When deleting an instruction with a
3374 REG_RETVAL note, delete the entire libcall sequence.
3375 (loop_delete_insns): New function.
3376 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
3377 we're not substituting into them yet.
3379 2001-04-21 Kazu Hirata <kazu@hxi.com>
3381 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
3383 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
3385 * config/i960/i960.c (signed_arith_operand): Likewise.
3387 * calls.c (expand_call): Fix a comment typo.
3389 2001-04-20 Zack Weinberg <zackw@stanford.edu>
3391 * configure.in: Probe for times, clock, struct tms, and clock_t.
3392 * configure, config.in: Regenerate.
3393 * timevar.c: Replace ifdef forest in get_time with (relatively)
3394 straightforward series of checks based on autoconf's probes.
3396 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
3398 * config/pa/som.h (NM_FLAGS): Define.
3400 2001-04-20 Bernd Schmidt <bernds@redhat.com>
3402 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
3404 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
3405 * ia64.c (nop_cycles_until): New function.
3406 (prev_cycle, prev_first, last_issued): New static variables.
3407 (ia64_sched_reorder): Additional arg for clock.
3408 On final scheduling pass, emit extra NOPs as needed.
3409 Set prev_first and prev_cycle.
3410 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
3411 (ia64_variable_issue): Set last_issued.
3413 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
3415 * config/i386/i386.c (ix86_expand_int_movcc,
3416 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
3418 2001-04-20 Geoff Keating <geoffk@redhat.com>
3420 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
3421 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
3422 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
3423 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
3424 ctrdi_internal6): In the short-branch case, this insn is only 4
3425 bytes long. Reported by Reza Yazdani <reza@apple.com>.
3427 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3429 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
3430 "=u" is used together with "st" resp. "st(1)" clobber.
3432 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3434 * gcse.c (gcse_main): Fix comment typo.
3435 (delete_null_pointer_check): Likewise.
3436 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
3437 * cse.c (cse_insn): Likewise.
3438 * function.c (fixup_var_refs_insns_with_hash): The sequence is
3441 2001-04-19 Zack Weinberg <zackw@stanford.edu>
3443 * toplev.c: Excise all code for the undocumented -dm option.
3444 (float_signal): Call signal just once, unconditionally.
3446 2001-04-19 Geoff Keating <geoffk@redhat.com>
3448 * fold-const.c (fold): Use first_rtl_op rather than
3449 TREE_CODE_LENGTH when looping over parameters of a tree.
3450 Correct strange grouping in test for evaluated SAVE_EXPR.
3452 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
3454 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
3455 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
3457 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
3458 name at 32 total characters.
3459 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
3460 functions in named sections -- data items can still go into unique
3461 sections, but they have normal names (ie $LIT$ and $DATA$).
3463 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
3466 2001-04-19 DJ Delorie <dj@redhat.com>
3468 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3469 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
3470 * config/i386/cygwin.h: Likewise.
3471 * config/i386/mingw32.h: Likewise.
3472 * config/vax/vms.h: Likewise.
3473 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
3475 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3476 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
3477 * config/i386/xm-cygwin.h: Likewise.
3478 * config/i386/xm-djgpp.h: Likewise.
3479 * config/i386/xm-mingw32.h: Likewise.
3480 * config/vax/xm-vms.h: Likewise.
3482 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
3483 instead of OBJECT_SUFFIX.
3484 * collect2.c (find_a_file): Look for files matching the extension
3485 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
3486 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
3487 TARGET_EXECUTABLE_SUFFIX.
3488 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
3489 (make_relative_prefix): Likewise.
3490 (convert_filename): Use TARGET_ suffixes throughout. Remove
3492 (process_command): Likewise.
3493 (do_spec_1): Likewise.
3494 * java/lang.c (init_parse): Likewise.
3496 * gcc.texi : Document four new options matching the pattern
3497 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
3498 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
3499 documentation for NO_AUTO_EXE_SUFFIX.
3501 2001-04-19 Mark Mitchell <mark@codesourcery.com>
3503 * toplev.h (struct lang_hooks): Allow decode_option to indicate
3504 that language-independent processing should not be done.
3505 * toplev.c (main): Adjust accordingly.
3507 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
3508 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
3510 * mips.md (reload_outputdi): Require that operand0 be a
3513 2001-04-19 Jakub Jelinek <jakub@redhat.com>
3515 * invoke.texi (-Wshadow): Clarify.
3517 2001-04-18 Mark Mitchell <mark@codesourcery.com>
3519 * loop.c (load_mems): Examine all the instructions in the loop
3520 before concluding that all jumps branch to the first instruction
3523 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
3525 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
3527 2001-04-18 Jakub Jelinek <jakub@redhat.com>
3529 * cpp.texi (-Wwhite-space): Remove.
3530 (-Wall): -Wall does not imply -Wwhite-space.
3532 2001-04-17 Zack Weinberg <zackw@stanford.edu>
3534 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
3535 use it instead of blindly generating a .stabs.
3536 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
3538 * xcoffout.c: Don't bother defining default for N_CATCH.
3539 (UNKNOWN_STAB): Use internal_error.
3540 (stab_to_sclass): Remove now-unnecessary aborts.
3541 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
3543 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
3545 * jump.c (mark_all_labels): Canonicalize the tail recursion
3546 label attached to CALL_PLACEHOLDER insns.
3548 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3550 * output.h (dump_flow_info, free_basic_block_vars,
3551 which_alternative): Delete redundant prototypes.
3553 * rtl.h (bss_section): Likewise.
3555 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
3557 * dbxout.c (N_OPT): Define if not available from <stab.h>
3559 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3561 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
3562 libraries and native K&R compilers.
3564 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3566 * c-typeck.c (convert_arguments): Don't check for width changes
3569 * invoke.texi (-Wtraditional): Update documentation.
3571 2001-04-16 Zack Weinberg <zackw@stanford.edu>
3573 * toplev.c (output_lang_identify): Delete.
3574 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
3575 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
3576 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
3577 after calling ASM_FILE_END.
3579 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
3580 Instead, unconditionally emit an N_OPT stab with string equal
3581 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
3583 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
3585 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
3586 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
3587 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
3588 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
3589 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
3590 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
3591 config/i370/i370.h, config/i386/beos-elf.h,
3592 config/i386/osf1elf.h, config/i386/osfrose.h,
3593 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
3594 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
3595 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
3596 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
3597 config/mips/iris6.h, config/mips/osfrose.h,
3598 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
3599 config/sparc/sp64-elf.h:
3600 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
3601 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
3603 * config/elfos.h, config/freebsd.h, config/linux.h,
3604 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
3605 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
3606 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
3607 of ASM_FILE_START which merely emit a .version directive. Delete
3608 definitions of ASM_FILE_END which merely emit an .ident directive.
3610 * config/avr/avr.h, config/vax/vax.h: Delete definition of
3611 ASM_IDENTIFY_GCC and move part of its logic into
3614 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
3615 config/sparc/linux-aout.h: Don't emit .version directive in
3618 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
3619 (output_file_start): Correct comment.
3621 * config/i386/osfrose.h: Don't emit trailing .ident directive.
3622 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
3624 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
3625 * config/rs6000/aix.h: Correct comment.
3627 * config/i386/i386afe.h: Delete.
3628 * config.gcc: Remove references to i386afe.h.
3630 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
3631 other macros deleted by this patch were undocumented.
3633 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
3635 * pa.md (reload_outdi): Operand 0 must be a non hard register.
3637 * pa.c (secondary_reload_class): SAR<->FP copies require a
3640 * install.texi (mips-mips-bsd): Update list of functions
3641 required to include memmove.
3642 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
3643 used functions to include memmove.
3645 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
3647 * i386.md (sqrtdf2): SFmode should be DFmode.
3649 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
3651 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
3652 (find_moveable_store): Likewise.
3654 2001-04-15 Jim Wilson <wilson@redhat.com>
3656 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
3658 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
3660 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
3661 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
3663 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
3665 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
3668 2001-04-14 Alan Modra <amodra@one.net.au>
3670 * pa.c (force_mode): New function.
3671 (emit_move_sequence): Use it instead of generating new rtx_REGs.
3673 2001-04-13 Jim Wilson <wilson@redhat.com>
3675 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
3676 (first_instruction): New static variable.
3677 (rtx_needs_barrier): Return 1 for alloc.
3678 (init_insn_group_barriers): Set first_instruction.
3679 (rws_sum): Delete duplicate definition.
3680 (group_barrier_needed_p): Return 0 when first_instruction true.
3681 (safe_group_barrier_needed_p): Save and restore first_instruction
3682 around group_barrier_needed_p call.
3684 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
3686 * expr.h (enum libfunc_index): Add LTI_memmove.
3687 (memmove_libfunc): Define macro.
3688 * optabs.c (init_optabs): Initialize memmove_libfunc.
3689 * expr.c (expand_assignment): Use memmove_libfunc instead of
3692 2001-04-13 Alan Modra <alan@linuxcare.com.au>
3694 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
3697 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3699 * Makefile.in (reg-stack.o): Depend on reload.h.
3700 (insn-attrtab.o): Depend on flags.h.
3702 * genattrtab (main): Include flags.h in insn-attrtab.c.
3704 * reg-stack.c: Include reload.h.
3706 * sparc.h (flag_pic): Delete redundant declaration.
3708 * output.h (flag_pic): Likewise.
3710 * tree.h (pedantic): Likewise.
3712 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3714 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
3716 * jump.c, regmove.c, toplev.c: Include reload.h.
3718 * reload.h (reload_cse_regs): Declare.
3720 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
3721 reload_cse_regs, init_reload, mark_home_live, reload,
3722 init_caller_save): Delete redundant prototypes.
3724 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3726 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
3728 * regclass.c, ssa.c: Include expr.h.
3730 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
3731 gen_move_insn): Delete redundant declarations.
3733 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3735 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
3736 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
3737 MAKEINFO and MAKEINFOFLAGS too.
3738 (stage4_build): Correctly order -B flags.
3740 2001-04-13 Alan Modra <amodra@one.net.au>
3742 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
3743 PIC_OFFSET_TABLE_SAVE_RTX.
3744 (zdepi_cint_p): Describe zdepi insn.
3745 Formatting and white space fixes throughout file.
3747 * pa.c (uint32_operand): Don't use long constant >= 2^32.
3748 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
3749 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
3750 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
3751 (output_64bit_and): Use plain `int's for shift counts.
3752 (output_64bit_ior): Likewise.
3753 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
3754 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
3757 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
3758 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
3759 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
3760 NEW_HP_ASSEMBLER into one. Kill warnings.
3762 * pa-gas.h: Delete file.
3763 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
3764 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
3765 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
3766 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
3768 * config/pa/mill32.S: New file.
3769 * config/pa/mill64.S: New file.
3770 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
3771 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
3772 * config/pa/t-linux64: New file.
3773 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
3774 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
3775 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
3777 * elfos.h (SELECT_SECTION): Undef before defining.
3778 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
3779 (LIB_SPEC): Remove -lmilli.
3780 (DBX_REGISTER_NUMBER): Remove.
3781 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
3782 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
3783 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
3784 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
3785 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
3786 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
3787 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
3788 TARGET_GAS): Define.
3789 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
3790 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
3791 regs if we don't have a prototype.
3792 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
3793 * pa.h (TARGET_ELF32): Default to 0 if undefined.
3794 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
3795 EH_RETURN_HANDLER_RTX): Define.
3796 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
3797 (DWARF_FRAME_REGNUM): Define.
3798 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
3799 * pa32-linux.h: New file.
3800 * pa64-linux.h: New file.
3802 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3803 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
3804 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
3805 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
3806 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
3807 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
3808 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3809 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3810 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
3811 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
3812 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3813 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
3814 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
3815 * pa64-hpux.h: New file.
3816 (ASM_FILE_START): Correct typo.
3817 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
3818 * config.gcc: Modify for above.
3820 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3822 * jump.c (jump_optimize_1): Don't delete dead stores here.
3823 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
3824 prior to running jump optimize before cse2.
3826 2001-04-12 Richard Henderson <rth@redhat.com>
3828 * Makefile.in (regmove.o): Depend on except.h.
3829 * regmove.c: Include it.
3831 2001-04-12 Stan Shebs <shebs@apple.com>
3833 * objc/objc-act.c: Remove all code ifdefed with the never-used
3834 macro OBJC_INT_SELECTORS.
3835 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3836 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
3838 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3840 * config/pa/quadlib.c: Add prototypes.
3842 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3844 * bitmap.h (debug_bitmap): Delete redundant prototype.
3846 * rtl.h (get_frame_size): Likewise.
3848 2001-04-12 Jim Wilson <wilson@redhat.com>
3850 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
3851 to just emit an fnorm.
3853 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3855 * c-common.h (truthvalue_conversion, type_for_mode,
3856 type_for_size): Delete redundant declarations.
3858 * c-lex.h (is_class_name): Likewise.
3860 * c-tree.h (pedantic, convert, getdecls, gettags,
3861 global_bindings_p, init_decl_processing, insert_block,
3862 maybe_build_cleanup, poplevel, print_lang_decl,
3863 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
3864 set_block, incomplete_type_error, build_function_call,
3865 lvalue_or_else, mark_addressable): Likewise.
3867 * expr.h (expand_tree_builtin): Likewise.
3869 2001-04-12 Mark Mitchell <mark@codesourcery.com>
3871 * invoke.texi: Document --param max-gcse-memory.
3873 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3875 * configure.in (errno): Check for declaration.
3876 * configure, config.in: Regenerated.
3878 * system.h (errno): Only declare if not already done.
3880 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3882 * recog.c (general_operand, immediate_operand,
3883 nonmemory_operand): Require CONST_INTs to be sign-extended
3884 values for their modes.
3886 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3888 * expmed.c (store_bit_field): Truncate CONST_INTs.
3889 (expand_mult_highpart, expand_divmod): Likewise.
3890 * expr.c (convert_modes, store_field): Likewise.
3891 * integrate.c (expand_inline_function): Use promote_mode() to
3892 determine whether to convert_modes() an argument as signed
3894 * optabs.c (expand_binop): Get CONST_INT operands
3895 sign-extended for their appropriate modes.
3896 * stmt.c (emit_case_nodes): Convert node values to the
3898 (expand_end_case): Convert minval and range to the appropriate
3900 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
3901 the iteration variable.
3902 * varasm.c (immed_double_const): Don't require words to be
3903 narrower than host wide ints to properly sign-extend
3906 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3908 * sh.md (builtin_setjmp_receiver): New expander.
3910 2001-04-12 David Edelsohn <dje@watson.ibm.com>
3912 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
3913 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
3914 for generating CONST_INT and CONST_DOUBLE.
3916 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3918 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3919 already sign-extended.
3920 (rs6000_emit_prologue): Make register iterator signed.
3921 (rs6000_emit_epilogue): Likewise.
3922 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
3924 (movsf split, movdf split): Sign-extend CONST_INTs.
3925 (movdi splits): Likewise.
3927 2001-04-12 Kelley Cook <kelley.cook@home.com>
3929 * config-lang.in (lang_dirs): Add in zlib.
3931 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
3933 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
3934 operands that make it to RTL.
3936 2001-04-11 Stan Shebs <shebs@apple.com>
3938 Add Darwin (Mac OS X kernel) native support.
3939 * config.gcc (powerpc-*-darwin*): Add native bits.
3940 * config/darwin.c: New file, generic Darwin support functions.
3941 * config/darwin.h: New file, generic Darwin definitions.
3942 * config/darwin-protos.h: New file, generic Darwin prototypes.
3943 * rs6000/darwin.h: New file, Darwin for PowerPC.
3944 * rs6000/t-darwin: New file, Darwin makefile fragment.
3945 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
3946 (TARGET_MACHO): Ditto.
3947 (rs6000_abi): Add ABI_DARWIN.
3948 (RS6000_REG_SAVE): Add ABI_DARWIN case.
3949 (RS6000_SAVE_AREA): Ditto.
3950 (FP_ARG_MAX_REG): Ditto.
3951 (RETURN_ADDRESS_OFFSET): Ditto.
3952 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
3954 (rs6000_emit_move): Add ABI_DARWIN cases.
3955 (print_operand): Ditto.
3956 (first_reg_to_save): Ditto.
3957 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
3958 (debug_stack_info): Ditto.
3959 (rs6000_emit_prologue): Ditto.
3960 (rs6000_emit_epilogue): Ditto.
3961 (output_profiler_hook): Ditto.
3962 (output_function_profiler): Ditto.
3963 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
3964 (output_mi_thunk): Add TARGET_MACHO case.
3965 (add_compiler_stub): Ditto.
3966 (output_compiler_stub): Ditto.
3967 (no_previous_def): Ditto.
3968 (output_call): Ditto.
3969 (machopic_output_stub): Ditto.
3970 (rs6000_machopic_legitimize_pic_address): Ditto.
3971 (toc_section): Ditto.
3972 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
3973 (macho_high): Ditto.
3976 (load_macho_picbase): Ditto.
3977 (call): Add TARGET_MACHO case to modify function.
3978 (call_value): Ditto.
3979 (call_nonlocal_sysv): Add ABI_DARWIN case.
3980 (call_value_nonlocal_sysv): Ditto.
3981 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
3983 (machopic_output_stub): Ditto.
3984 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
3986 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3988 * dwarf2out.c (modified_type_die): Don't create new types here.
3989 * tree.h (get_qualified_type): New function.
3990 (build_qualified_type): Adjust comment.
3991 * tree.c (get_qualified_type): New function.
3992 (build_qualified_type): Use it.
3994 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3996 * cpp.texi (-Wtraditional): Update description.
3998 * invoke.texi (-Wtraditional): Likewise.
4000 2001-04-11 Jim Wilson <wilson@redhat.com>
4002 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
4003 requires more than 64 bits of alignment.
4005 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
4007 * cpplib.c (do_line): Sanity check iff enable checking.
4009 2001-04-11 Richard Henderson <rth@redhat.com>
4011 * Makefile.in (insn-recog.o): Depend on toplev.h.
4012 (insn-emit.o, doloop.o): Likewise.
4013 * genrecog.c, genemit.c: Include toplev.h in generated file.
4014 * doloop.c: Include toplev.h.
4016 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4018 * Makefile.in (gcse.o): Depend on params.h.
4019 * gcse.c: Include params.h.
4020 (gcse_main): Don't do GCSE if doing so will take inordinate
4022 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
4023 * params.h (MAX_GCSE_MEMORY): New macro.
4025 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4027 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
4029 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
4031 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4033 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
4035 * real.h (ereal_atof, real_value_truncate, target_isnan,
4036 target_isinf, target_negative, assemble_real, debug_real): Delete
4037 redundant prototypes.
4039 * Makefile.in (ifcvt.o): Depend on toplev.h.
4041 * c-semantics.c: Include expr.h.
4043 * ifcvt.c: Include toplev.h.
4045 * expr.h (rtx_equal_p): Delete prototype.
4047 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
4048 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
4049 eliminate_constant_term, expand_complex_abs, find_single_use,
4050 make_tree, init_expr_once, init_optabs, supports_one_only):
4053 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
4054 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
4055 expand_assignment, store_expr, emit_line_note_after,
4056 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
4058 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
4060 * sparc-protos.h: Delete redundant prototypes.
4062 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
4064 * reload.c (push_reload): Add condition missed in SUBREG byte
4067 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4069 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
4071 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
4073 * i386.md (floatsisf_sse): Fix output template
4074 * i386.c (ix86_expand_fp_movcc)
4076 * reg-stack.c (emit_pop_insn): Handle complex modes.
4077 (move_for_stack_reg): Emit proper move mode.
4078 (subst_stack_regs_pat): Handle complex modes.
4080 2001-04-11 Jakub Jelinek <jakub@redhat.com>
4082 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
4084 2001-04-10 Richard Henderson <rth@redhat.com>
4086 * libgcc2.h (__terminate_func_ptr): Remove typedef.
4087 (__pure_virtual, __terminate, __terminate_set_func,
4088 __default_terminate, __throw_type_match, __empty,
4089 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
4090 __eh_rtime_match, __unwinding_cleanup, __rethrow,
4091 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
4092 Remove prototypes of deleted functions.
4094 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4096 * c-typeck.c (convert_arguments): -Wtraditional now activates
4097 -Wconversion warnings, except for changes in signed-ness.
4098 Detect complex<->int & int<->complex conversions as well.
4100 * invoke.texi (-Wtraditional): Document it.
4102 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4104 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
4105 * flow.c (set_block_for_new_insns): Remove needless cast and
4106 properly check for unset block number.
4108 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
4110 * function.c (purge_single_hard_subreg_set): Only check REGNO if
4111 the subreg was a hard register. Pseudos are left as subregs.
4113 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4115 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
4116 (LIB2ADD_ST): New macro, pass it to mklibgcc.
4117 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
4118 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
4119 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
4121 2001-04-09 Bo Thorsen <bo@suse.co.uk>
4123 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
4125 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4127 * output.h (set_block_num): Missed it earlier, remove deprecated
4130 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4132 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
4133 (load_killed_in_block_p): Change bb parameter from int to basic_block.
4134 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
4135 (handle_rd_kill_set): Change bb parameter from int to basic_block.
4136 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
4137 (expr_killed_p): Change bb parameter from int to basic_block, pass
4138 basic_blocks instead of ints as parameters.
4139 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
4140 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
4141 from int to basic_block, pass basic_blocks instead of ints as parms.
4142 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
4143 parameter from int to basic_block, pass basic_blocks instead of ints.
4144 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
4145 (insert_insn_end_bb): Change bb parameter from int to basic_block,
4146 pass basic_blocks instead of ints.
4147 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
4148 basic_blocks instead of ints as parameters.
4149 (pre_delete): Pass basic_blocks instead of ints as parameters.
4150 (hoist_expr_reaches_here_p): Change bb parameter from int to
4151 basic_block, pass basic_blocks instead of ints.
4152 (hoist_code): Pass basic_blocks instead of ints as parameters.
4153 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
4154 Change bb parameter from int to basic_block.
4155 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
4156 (insert_insn_start_bb): Change bb parameter from int to basic_block,
4157 pass basic_blocks instead of ints.
4158 (insert_store): Pass basic_blocks instead of ints as parameters.
4159 (replace_store_insn, delete_store): Change bb parameter from int to
4160 basic_block, pass basic_blocks instead of ints.
4161 (store_motion): Pass basic_blocks instead of ints as parameters.
4163 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4165 * basic-block.h (set_new_block_for_insns): New Prototype.
4166 (set_block_num): Delete prototype.
4167 * flow.c (set_block_num): Remove obsolete function.
4168 (set_block_for_new_insns): Set BB for single or multiple insns.
4169 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
4170 (process_insn_end_bb): Use set_block_for_new_insns or
4171 set_block_for_insn instead of set_block_num.
4172 (pre_insert_copy_insn): Use set_block_for_new_insns.
4173 (update_ld_motion_stores): Use set_block_for_new_insns.
4174 (insert_insn_start_bb): Use set_block_for_new_insns.
4175 (replace_store_insn): Use set_block_for_new_insns.
4177 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4178 Jeff Law <law@redhat.com>
4180 * alias.c (get_addr): Externalize.
4181 (canon_true_dependence): New function. Behaves like true_dependance
4182 except it already assumes a MEM has been canonicalized.
4183 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
4184 * gcse.c (struct ls_expr): Add load/store expressions structure.
4185 (modify_mem_list, canon_modify_mem_list): New variable.
4186 (gcse_main): Initialize & finalize alias analysis. Use enhanced
4187 load motion and store motion if requested.
4188 (alloc_gcse_mem): Allocate space for modify_mem_list array.
4189 (free_gcse_mem): Free the modify_mem_list array.
4190 (oprs_unchanged_p): Use load_killed_in_block_p.
4191 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
4192 (mems_conflict_for_gcse_p): New function. Don't kill loads
4193 with stores to themselves if its in the load/store expression list.
4194 (load_killed_in_block_p): New function.
4195 (canon_list_insert): New Function.
4196 (record_last_mem_set_info): Keep a list of all instructions which
4197 can modify memory for each basic block.
4198 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
4199 (oprs_not_set_p): Use load_killed_in_block_p.
4200 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
4201 (expr_killed_p): Use load_killed_in_block_p.
4202 (compute_transp): Do not pessimize memory references.
4203 (pre_edge_insert): Update stores for a load motion expression.
4204 (one_pre_gcse_pass): Check loads/stores for extra load motion.
4205 (ldst_entry): Find or create a ldst_expr structure.
4206 (free_ldst_entry): Free memory for an individual item.
4207 (free_ldst_mems): Free entire load/store expression list.
4208 (print_ldst_list): Print debug info.
4209 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
4210 (enumerate_ldsts): Assign integer values to each entry in list.
4211 (first_ls_expr): First expression in the list.
4212 (next_ls_expr): Next expression in the list.
4213 (simple_mem): Check if expression qualifies for ld/st expression list.
4214 (invalidate_any_buried_refs): Remove from expression list if its
4215 used in some other way we dont understand.
4216 (compute_ld_motion_mems): Find all potential enhanced load motion
4218 (trim_ld_motion_mems): Remove any expressions which are invalid.
4219 (update_ld_motion_stores): Copy store values to registers for loads
4220 which have been moved.
4221 (regvec, st_antloc, num_store): New global statics.
4222 (reg_set_info): Marks registers as set.
4223 (store_ops_ok): Verfies registers expressions are valid in a block.
4224 (find_moveable_store): Look for moveable stores in a pattern.
4225 (compute_store_table): Find stores in a function worth moving, maybe.
4226 (load_kills_store): Check dependance of a load and store.
4227 (find_loads): Find any loads in a pattern.
4228 (store_killed_in_insn): Check if a store is killed in an insn.
4229 (store_killed_after): Check is store killed after an insn in a block.
4230 (store_killed_before): Check is store killed before an insn in a block.
4231 (build_store_vectors): Generate the antic and avail vectors.
4232 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
4233 (insert_store): Add a store to an edge.
4234 (replace_store_insn): Replace a store with a SET insn.
4235 (delete_store): Delete a store insn.
4236 (free_store_memory): Free memory.
4237 (store_motion): Perform store motion.
4238 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
4239 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
4240 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
4241 (f_options): Add gcse-lm and gcse-sm.
4243 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
4245 * i386.c (expand_fp_movcc): Fix condition reversal code.
4247 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
4248 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
4249 (CLASS_MAX_NREGS): Use it.
4251 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
4252 handle properly complex values.
4253 (CLASS_MAX_NREGS): Likewise; update comment.
4255 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4257 * ia64.c (ia64_flag_schedule_insns2): New variable.
4258 (ia64_override_options): Initialize it. Clear
4259 flag_schedule_insns_after_reload.
4260 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
4262 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
4264 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
4265 Do not require source to match destination anymore;
4266 Add abort to the nontrivial cases that should be handled by split.
4267 (fix_trunc?fdi): Add SSE case for x86_64.
4268 (floatdi?f): Likewise.
4269 (floatdi?f_sse): New.
4270 (fix_trunc?fdi_sse): New.
4272 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
4274 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
4275 (DEBUG_ARANGES_END_LABEL): Ditto.
4276 (dwarfout_init): Generate length and version fields at the start
4277 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
4278 after the length field.
4279 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
4280 the .debug_aranges info.
4282 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4284 * i386.c (call, call_value): Make sure that resulting call_insn
4285 does have proper second operand.
4287 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
4289 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
4290 function. Remove include of sys/cygwin.h.
4292 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
4294 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
4295 (CPP_SPEC): Always search */include/w32api for header files.
4296 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
4297 (LINK_SPEC): Add "cyg" to the library search prefixes.
4299 2001-04-08 Philip Blundell <philb@gnu.org>
4301 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
4303 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
4305 * cpperror.c (print_location): Don't special case <stdin>.
4306 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
4307 WARNING, but we don't check if we're in system headers.
4308 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
4309 * cpplib.c (do_warning): Warn in system headers.
4311 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
4313 * mbchar.c: Include config.h first.
4315 2001-04-07 Zack Weinberg <zackw@stanford.edu>
4317 * config.gcc: Set default for xmake_file at top, not bottom.
4318 Change places that set xmake_file to "none" to set to the
4319 empty string instead, or remove them entirely if there is no
4320 default xmake_file for this cpu_type. Remove references to
4323 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
4324 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
4325 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
4326 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
4327 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
4328 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
4329 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
4330 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
4331 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
4332 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
4335 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
4336 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4337 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4338 config/mips/x-sysv, config/rs6000/x-aix31:
4339 Just set CLIB to -lld or -lmld, as appropriate.
4341 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
4342 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
4343 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
4344 config/mips/x-iris, config/pa/x-pa:
4345 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
4346 OTHER_FIXINCLUDES_DIRS.
4348 * config/i386/x-djgpp: Don't set LN or LN_S.
4349 * config/m88k/x-dolph: Don't define __m88k__.
4350 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
4351 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
4352 * config/i860/fx2800.h: No need to #undef SVR4.
4354 38 x-host fragments remain, 2 x-cpu.
4356 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4358 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
4360 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4362 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
4364 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4366 * configure.in: Add check for lstat.
4367 * configure, config.in: Regenerate.
4368 * cppinit.c (append_include_chain): Make empty path ".".
4369 * cpplib.c (do_line): Don't simplify #line paths.
4370 * cppfiles.c (remove_component_p): New function.
4371 (find_or_create_entry): Acknowledge stat () errors during
4372 path simplification.
4373 (handle_missing_header): Don't simplify paths.
4374 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
4375 the empty path untouched. Don't leave a trailing '/'.
4377 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
4379 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4380 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4382 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4384 * cppfiles.c (open_file): Fail directories silently, but
4385 with an errno of NOENT set.
4386 (read_include_file): Move the common exit code to the sole
4387 caller. Return an int indicating success or failure. Let
4388 open_file handle directories.
4389 (stack_include_file): If read_include_file fails,
4390 push a "null" buffer.
4392 2001-04-05 DJ Delorie <dj@redhat.com>
4394 * function.h (virtuals_instantiated): Declare.
4395 * function.c: (virtuals_instantiated): Make global.
4396 * calls.c (emit_library_call_value_1): Use
4397 virtual_outgoing_args_rtx only if it hasn't been instantiated.
4398 Otherwise, use the stack pointer directly.
4400 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4402 * i386.c (x86_initialize_trampoline): New global function.
4403 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
4404 (INITIALIZE_TRAMPOLINE): Move offline.
4405 * i386-protos.h (x86_initialize_trampoline): Declare.
4407 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4409 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
4410 (lea_0): Rename to lea_1.
4411 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
4412 (lea_general_?): Allow SImodes on TARGET_64BIT
4413 (lea_general_?_zext): New patterns.
4414 (call_1, call_1_rex64): Fix.
4416 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4418 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
4420 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4422 * i386.c (function_arg): Return constm1_rtx for last argument.
4423 (ix86_expand_prologue): Update gen_call calls.
4424 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
4425 * i386.md (call_pop): Likewise.
4426 (call): Second operand is VOIDmode.
4427 (call_0): Likewise; Support 64bits.
4428 (call_exp): New expander.
4429 (call_1): Get to the sync.
4430 (call_1_exp): New pattern.
4431 (call_value): Support 64bit.
4432 (call_value_exp): New pattern.
4433 (untyped_call): Update gen_call call.
4434 (call_value_pop): Disable for 64bit.
4435 (call_value_0_rex64): New pattern.
4436 (call_value_1_rex64): Likewise.
4438 2001-04-05 Bo Thorsen <bo@suse.de>
4440 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
4442 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
4444 * i386.md (*andsi_1+3): If used after reload, make sure the operand
4445 satisfies ANY_QI_REG_P.
4447 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4449 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
4452 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
4455 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4457 * config.gcc: Remove default for xm_file. Clean up local
4458 machine type handling. Remove settings of xm_file to
4459 something that doesn't exist. In the big switch, set xm_file,
4460 don't append to it (the value before the big switch is always
4461 null). Don't force build_xm_file or host_xm_file to have a value.
4462 * configure.in: Remove default for xm_file. Do not special
4463 case $cpu/xm-$cpu.h not existing.
4464 * configure: Regenerate.
4466 2001-04-04 Diego Novillo <dnovillo@redhat.com>
4468 * simplify-rtx.c (simplify_binary_operation): Check for overflow
4469 when folding integer division and modulo operations.
4471 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
4473 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
4474 instead of DWARF2_ADDR_SIZE for EH addresses.
4475 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
4478 2001-04-04 Richard Henderson <rth@redhat.com>
4480 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
4481 * config/ia64/t-glibc (LIB2ADDEH): Disable.
4482 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
4484 2001-04-04 Richard Henderson <rth@redhat.com>
4486 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
4487 * configure: Rebuilt.
4489 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4491 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
4492 push insns to delete to it instead of deleting them.
4493 (delete_null_pointer_checks): Delete insns from delete_list after
4494 all delete_null_pointer_checks_1 passes are done.
4496 2001-04-04 Richard Henderson <rth@redhat.com>
4498 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
4499 * configure: Rebuilt.
4501 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4503 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
4504 * config/romp/xm-romp.h: Delete.
4506 2001-04-04 Bernd Schmidt <bernds@redhat.com>
4508 * sched-deps.c (sched_analyze_insn): Partially revert March 27
4511 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4513 * emit-rtl.c (mark_label_nuses) Increment the label uses for
4514 all labels present in rtx.
4515 (try_split) Call new function for all split insns.
4517 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4519 * recog.c (validate_replace_rtx_1): Instead of aborting just make
4520 sure the change won't be validated.
4522 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
4524 * rtl.h (set_noop_p): Declare.
4525 * flow.c (set_noop_p): Move from here ...
4526 * rtlanal.c (set_noop_p): ... to here and enhance.
4527 * cse.c (delete_trivially_dead_insns): Use it.
4528 * gcse.c (hash_scan_set): Likewise.
4529 * jump.c (delete_noop_moves): Likewise.
4530 * recog.c (split_all_insns): Likewise.
4532 2001-04-04 Alan Modra <alan@linuxcare.com.au>
4534 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
4535 stack pointer via a LO_SUM. Ditto for setting a temp register
4536 used to save to the stack. Set cfa_temp when setting fp, and
4537 allow matches to cfa_temp in addition to cfa_store when saving
4538 regs. Handle POST_INC and LO_SUM register stores. Document the
4539 changes and errors in rule 12 doco.
4541 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
4542 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
4543 (load_reg): Move closer to epilogue code.
4544 (DO_FRAME_NOTES): Define to control the following..
4545 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
4546 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
4548 (hppa_expand_epilogue): Likewise.
4550 2001-04-03 Richard Henderson <rth@redhat.com>
4552 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
4553 * configure: Rebuild.
4555 2001-04-03 Richard Henderson <rth@redhat.com>
4557 * rtl.h (LCT_THROW): New.
4558 * calls.c (emit_library_call_value_1): Handle it.
4559 * except.c (connect_post_landing_pads): Use it.
4561 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4563 * gansidecl.h: Delete file.
4564 * configure.in: Change all refs to gansidecl.h to use
4565 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
4567 * configure: Regenerate.
4569 * Makefile.in (intl.o): Don't depend on gansidecl.h.
4570 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
4571 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
4572 Don't include gansidecl.h.
4573 * intl.c, main.c, version.c, fixinc/fixlib.h,
4574 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
4577 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4579 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
4582 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4584 * config/i386/xm-beos.h, config/i386/xm-isc.h,
4585 config/i386/xm-next.h, config/i386/xm-sco.h,
4586 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
4587 config/m88k/xm-m88k.h: Delete.
4589 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
4590 * config/romp/xm-romp.h: Don't define bcopy.
4591 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
4592 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
4594 * config.gcc: Remove references to deleted files.
4596 14 xm-host.h remain, 1 xm-cpu.h.
4598 2001-04-03 Jakub Jelinek <jakub@redhat.com>
4599 David S. Miller <davem@pierdol.cobaltmicro.com>
4600 Andrew MacLeod <amacleod@redhat.com>
4602 Use byte offsets in SUBREGs instead of words.
4604 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
4605 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
4606 to pass new argument.
4607 (add_stored_regs): Use subreg_regno_offset function.
4608 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
4610 (precompute_arguments): Use gen_lowpart_SUBREG.
4611 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
4612 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
4613 (simplify_set): Rework to use SUBREG_BYTE.
4614 (expand_field_assignment): Use SUBREG_BYTE.
4615 (make_extraction): Use SUBREG_BYTE.
4616 (if_then_else_cond): Use SUBREG_BYTE.
4617 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
4618 (gen_lowpart_for_combine): Compute full byte offset.
4619 * cse.c (mention_regs): Use SUBREG_BYTE.
4620 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
4621 (canon_hash): Use SUBREG_BYTE.
4622 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
4623 (gen_lowpart_if_possible): Formatting.
4624 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
4626 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4627 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4628 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4629 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4630 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4631 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4632 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
4633 certain invariants about SUBREGs the compiler creates.
4634 (gen_lowpart_SUBREG): New function.
4635 (subreg_hard_regno): New function to get the final register number.
4636 (gen_lowpart_common): Use SUBREG_BYTE.
4637 (gen_imagpart): Spacing nits.
4638 (subreg_realpart_p): Use SUBREG_BYTE.
4639 (gen_highpart): Use SUBREG_BYTE.
4640 (subreg_lowpart_p): Always compute endian corrected goal offset,
4641 even at the byte level, then compare against that.
4642 (constant_subword): New function, pulled out all constant cases
4643 from operand_subword and changed second argument name to offset.
4644 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
4645 and call constant_subword to do the work. Return const0_rtx if
4646 looking for a word outside of OP.
4647 (operand_subword_force): Change second arg name to offset.
4648 * expmed.c (store_bit_field): Use SUBREG_BYTE.
4649 (store_split_bit_field): Use SUBREG_BYTE.
4650 (extract_bit_field): Use SUBREG_BYTE.
4651 (extract_split_bit_field): Use SUBREG_BYTE.
4652 (expand_shift): Use SUBREG_BYTE.
4653 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
4654 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
4655 * flow.c (set_noop_p): Use SUBREG_BYTE.
4656 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
4657 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
4658 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
4660 (optimize_bit_field): Use SUBREG_BYTE.
4661 (purge_addressof_1): Use SUBREG_BYTE.
4662 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
4663 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
4664 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
4665 * gengenrtl.c (special_rtx): Add SUBREG.
4666 * global.c (mark_reg_store): Use SUBREG_BYTE.
4667 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
4668 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
4669 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
4670 final byte offset is congruent to subreg's mode size.
4671 (subst_constants): Use SUBREG_BYTE.
4672 (mark_stores): Use subreg_regno_offset function.
4673 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
4674 function and SUBREG_BYTE.
4675 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
4676 (reg_is_born): Use subreg_hard_regno.
4677 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
4678 endian correction code. Don't combine subregs unless resulting
4679 offset aligns with type. Fix subreg constant extraction for DImode.
4680 Simplify SUBREG of VOIDmode CONST_DOUBLE.
4681 (general_operand): Remove dead mode_altering_drug code.
4682 (indirect_operand): Use SUBREG_BYTE.
4683 (constrain_operands): Use subreg_regno_offset function.
4684 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
4685 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
4686 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
4687 * regs.h (REG_SIZE): Allow target to override.
4688 (REGMODE_NATURAL_SIZE): New macro which target can override.
4689 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
4690 on the entire subreg rtx.
4691 (push_reload): Use SUBREG_BYTE in comments and code.
4692 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
4693 for hard registers inside subregs.
4694 (operands_match_p): Use subreg_regno_offset.
4695 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
4696 containing hard regs.
4697 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
4698 corrections when fixing up MEM subregs.
4699 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
4700 subreg_regno_offset where appropriate.
4701 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
4702 byte endian corrections when fixing up MEM subregs.
4703 (subst_reloads): When combining two subregs, make sure final
4704 offset is congruent to subreg's mode size.
4705 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
4706 (refers_to_regno_for_reload_p): Use subreg_regno.
4707 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
4708 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
4709 correction code for memory subreg fixups.
4710 (forget_old_reload_1): Use subreg_regno_offset.
4711 (choose_reload_regs): Use subreg_regno.
4712 (emit_input_reload_insns): Use SUBREG_BYTE.
4713 (reload_combine_note_store): Use subreg_regno_offset.
4714 (move2add_note_store): Use subreg_regno_offset.
4715 * resource.c (update_live_status, mark_referenced_resources): Use
4716 subreg_regno function.
4717 (mark_set_resources): Use subreg_regno function.
4718 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
4719 (subreg_regno_offset, subreg_regno): Define prototypes.
4720 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
4721 (gen_lowpart_SUBREG): Add prototype.
4722 * rtl.texi (subreg): Update to reflect new byte offset representation.
4723 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
4724 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
4725 (reg_overlap_mentioned_p): Use subreg_regno.
4726 (replace_regs); Make sure final offset of combined subreg is
4727 congruent to size of subreg's mode.
4728 (subreg_regno_offset): New function.
4729 (subreg_regno): New function.
4730 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
4731 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
4732 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
4733 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
4734 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
4735 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
4736 (a29k_get_reloaded_address): Use SUBREG_BYTE.
4737 (print_operand): Use SUBREG_BYTE.
4738 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
4739 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
4740 (arm_reload_out_hi): Use SUBREG_BYTE.
4741 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
4742 instead of SUBREG_WORD.
4743 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
4744 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
4745 SUBREG creation to use byte offset.
4746 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
4747 inverted load insns): Fix explicit rtl subregs to use byte
4749 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
4750 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
4751 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
4752 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
4753 to use byte offsets.
4754 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
4755 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
4756 offsets, also make sure it is congruent to SUBREG's mode size.
4757 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
4758 unnamed ldob insn): Generate SUBREGs with byte offset.
4759 (zero_extendqihi2): SUBREG's are byte offsets.
4760 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
4761 (m68hc11_gen_highpart): Use SUBREG_BYTE.
4762 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
4763 zero-extendqisi2): Generate SUBREGs with byte offset.
4764 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
4765 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
4766 subregs in rtl to use byte offsets.
4767 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
4768 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
4769 (mips_move_2words): Use subreg_regno_offset.
4770 (mips_secondary_reload_class): Use subreg_regno_offset.
4771 * config/mips/mips.md (DImode plus, minus, move, and logical op
4772 splits): Fixup explicit subregs in rtl to use byte offsets.
4773 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
4774 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
4775 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
4776 rtl to use byte offsets.
4777 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
4778 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
4779 subregs to use byte offsets.
4780 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
4781 Fixup explicit subregs in rtl to use byte offsets.
4782 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
4783 and remove byte endian correction code.
4784 * config/sh/sh.c (output_movedouble): Use subreg_regno.
4785 (gen_ashift_hi): Use SUBREG_BYTE.
4786 (regs_used): Use subreg_regno_offset.
4787 (machine_dependent_reorg): Use subreg_regno_offset.
4788 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
4789 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
4790 (movdf_i4): Subregs are byte offsets now.
4791 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
4792 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
4793 (REGMODE_NATURAL_SIZE): Override.
4794 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
4795 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
4797 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
4798 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
4799 extendqidi2): Generate SUBREGs with byte offsets, also make sure
4800 it is congruent to SUBREG's mode size.
4801 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
4803 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
4804 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
4805 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
4806 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
4807 * config/v850/v850.c (print_operand, output_move_double): Use
4808 subreg_regno function.
4810 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4812 * configure.in (target_subdir): Use target_alias, not target.
4813 * configure: Rebuilt.
4815 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4817 * config/sh/crti.asm: Fix typos in comments.
4819 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4821 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
4822 TARGET_FAST_INDIRECT_CALLS.
4823 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
4825 (return_addr_rtx): Short circuit export stub matching when
4826 TARGET_NO_SPACE_REGS.
4827 (output_millicode_call): For out of range calls, make -fPIC
4828 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
4829 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
4830 * pa.md: Modify length attr calculation of all millicode insns to
4833 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
4835 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4836 Require at least 2.11 in the version test. Specifically check
4837 for and reject GAS version 2.10.90.
4838 * configure: regenerate.
4840 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4842 * pa.c (override_options): Remove PIC profiling warning.
4843 (hp_profile_labelno): Delete.
4844 (hp_profile_label_rtx): Delete.
4845 (hp_profile_label_name): Delete.
4846 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
4847 (output_function_prologue): Remove profiling code and all tests on
4848 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
4849 merge_sp_adjust_with_store can work for PIC and profiling.
4850 (hppa_expand_epilogue): Remove profile_flag test.
4851 (hppa_can_use_return_insn_p): Likewise.
4852 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
4853 cater for PROFILE_HOOK.
4854 (hppa_profile_hook): New function.
4855 * pa.h (FUNCTION_PROFILER): Now does nothing.
4856 (PROFILE_HOOK): Define.
4857 (hppa_profile_hook): Declare.
4858 (PROFILE_BEFORE_PROLOGUE): Delete.
4859 (ASM_OUTPUT_REG_PUSH): Delete.
4860 (ASM_OUTPUT_REG_POP): Delete.
4861 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
4862 r24. Accept function name operand, and use this and a locally
4863 generated label to calculate pc-rel offset to func start.
4865 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4867 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
4868 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
4871 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4873 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4874 LO_SUM cases to where they belong.
4876 2001-04-02 Richard Henderson <rth@redhat.com>
4878 * except.h (lang_eh_type_covers): Mark extern.
4879 (lang_eh_runtime_type): Likewise.
4881 2001-04-02 Zack Weinberg <zackw@stanford.edu>
4883 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
4884 gengenrtl.c: Wrap generated header in multiple-include guard.
4885 Improve error checking.
4887 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4889 * configure.in: Don't check for putenv.
4890 * configure: Regenerate.
4891 * gcc.c (putenv): Don't define.
4892 * vax/xm-vms.h: Handle putenv.
4894 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4896 * ifcvt.c (noce_emit_move_insn): New.
4897 (noce_try_store_flag, noce_try_store_flag_constants,
4898 noce_try_store_flag_inc, noce_try_store_flag_mask,
4899 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
4900 noce_try_abs): Use it.
4901 (noce_process_if_block): Likewise.
4902 For STRICT_LOW_PART, take mode from its SUBREG.
4904 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4906 * fold-const.c (fold): Before optimizing unsigned comparison with
4907 0x7fffffffU, make sure arg0 is integral type.
4909 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4911 * c-tree.texi: Document representation of wide strings.
4913 2001-04-01 Richard Henderson <rth@redhat.com>
4915 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
4917 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
4919 * i386.md: remove obsoleted comments.
4920 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
4921 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
4922 fix output template.
4924 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4926 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
4928 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4930 * loop.c (load_mems): When generating a load from a pseudo, update
4933 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4935 * i386.c (ix86_split_long_move): Use change address to compensate
4936 stack pointer change in push instruction.
4938 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4940 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
4941 instead of rtx_equal_p; fix the output template.
4943 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4945 * i386.c (ix86_expand_setcc): Support 64bit.
4946 (ix86_expand_int_movcc): Likewise.
4947 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
4950 * i386.md (allocate_stack_worker): Turn to expander.
4951 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
4953 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
4955 2001-03-29 Richard Henderson <rth@redhat.com>
4957 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
4959 2001-03-28 Matthew Hiller <hiller@redhat.com>
4961 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
4964 * MAINTAINERS: Added self.
4966 2001-03-28 Richard Henderson <rth@redhat.com>
4968 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4969 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
4971 2001-03-28 Jim Wilson <wilson@redhat.com>
4973 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
4976 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4978 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
4980 * tradcif.y (yyerror): Likewise. Add format specifier in call to
4983 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
4985 2001-03-28 DJ Delorie <dj@redhat.com>
4987 * Makefile.in (stage1_build): Revert CFLAGS patch.
4989 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
4991 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
4992 when multiplier or multiplicand is zero.
4994 2001-03-28 Bernd Schmidt <bernds@redhat.com>
4996 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
4998 * config/ia64/ia64.c (update_set_flags): New function, broken out of
5000 (set_src_needs_barrier): Likewise.
5001 (rtx_needs_barrier): For SET case, use these two functions. Rework
5002 PARALLEL case to handle all inputs before all outputs.
5003 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
5004 saw a label and no stop bit since then.
5005 (maybe_rotate, process_epilogue): Add prototypes.
5007 2001-03-28 Richard Henderson <rth@redhat.com>
5009 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
5010 not TARGET_TOC for special toc restore handling.
5011 * config/rs6000/rs6000.md (eh_return): Likewise.
5013 2001-03-28 Richard Henderson <rth@redhat.com>
5015 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
5016 current_function_calls_eh_return.
5017 (output_function_epilogue): Handle eh_return.
5018 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
5019 (EH_RETURN_DATA_REGNO): New.
5020 (EH_RETURN_STACKADJ_RTX): New.
5021 (EH_RETURN_HANDLER_RTX): New.
5022 * config/sparc/sparc.md (call/short branch peepholes): Check
5023 can_throw_internal instead of in_same_eh_region.
5025 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
5026 for eh_return data registers.
5027 (rs6000_emit_prologue): Save eh_return data registers.
5028 (rs6000_emit_epilogue): Force inline restores if eh_return.
5029 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
5030 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
5031 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
5032 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
5033 the target uses one.
5034 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
5035 (return_eh_si, return_eh_di): Remove.
5036 (eh_return): New, from corpse of eh_epilogue.
5037 (eh_set_lr_si, eh_set_lr_di): New.
5039 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
5040 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
5041 True for pic register if current_function_calls_eh_return.
5042 (ix86_expand_epilogue): Change "emit_return" argument into "style".
5043 Handle eh_return requirements.
5044 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
5045 (EH_RETURN_STACKADJ_RTX): New.
5046 * config/i386/i386.md (exception_receiver): Remove.
5047 (eh_return, eh_return_1): New.
5048 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5050 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
5051 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
5052 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
5053 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
5054 (EH_RETURN_DATA_REGNO): New.
5055 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
5056 * config/alpha/alpha.md (eh_epilogue): Remove.
5057 (exception_receiver): Use $26 for ldgp input.
5058 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5060 2001-03-28 Richard Henderson <rth@redhat.com>
5062 * except.c: Rewrite entirely for IA-64 ABI exception handling.
5063 * except.h: Likewise.
5065 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
5066 (LIB2ADDEHDEP): New.
5067 (LIB2FUNCS_EH): Remove.
5068 (LIB2ADD): Remove LIB2ADDEH.
5069 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
5070 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
5071 (crt{begin,end}[S].o): Likewise.
5072 (except.o): Update includes.
5073 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
5074 (libgcc2_c_dep): Use LIB2ADDEHDEP.
5076 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
5077 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
5078 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
5079 * builtins.c (expand_builtin): Implement it.
5080 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
5081 * c-common.c (c_common_nodes_and_builtins): Declare it.
5082 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
5083 * calls.c (libfunc_nothrow): Remove.
5084 (emit_library_call_value_1): Don't call it.
5085 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
5086 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
5087 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
5088 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
5089 (current_funcdef_number): Globalize.
5090 (output_call_frame_info): Emit frame data if an lsda is needed.
5091 Generate augmentation for personality routine. Don't play with
5093 (dwarf2out_begin_prologue): Record funcdef_number.
5094 * dwarf2out.h (current_funcdef_number): Declare.
5095 * expr.c (expand_expr): Update for except.h name changes.
5096 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
5097 * expr.h (LTI_throw, LTI_rethrow): Remove.
5098 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
5099 (LTI_eh_rtime_match): Remove.
5100 (LTI_unwind_resume, LTI_eh_personality): Add.
5101 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
5102 * final.c (final): Don't call check_exception_handler_labels,
5103 init_insn_eh_region, or free_insn_eh_region.
5104 (final_scan_insn): Always emit debug labels for
5105 NOTE_INSN_EH_REGION notes.
5106 * flags.h (flag_new_exceptions): Remove.
5107 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
5108 (record_active_eh_regions): Remove.
5109 (count_basic_blocks): Check all instructions for REG_EH_REGION.
5110 Use can_throw_internal.
5111 (find_basic_blocks_1): Likewise.
5112 (move_stray_eh_region_notes): Remove.
5113 (find_label_refs): No eh_return_stub_label.
5114 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
5115 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
5117 (delete_unreachable_blocks): Don't track deleted handlers.
5118 (flow_delete_block): Use maybe_remove_eh_handler.
5119 (delete_eh_regions): Remove.
5120 (merge_blocks): Don't check for eh region match.
5121 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
5122 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
5123 (init_propagate_block_info): Disable dead frame store optimization
5124 when current_function_calls_eh_return.
5125 (dump_bb): Don't print eh_beg, eh_end.
5126 * function.c (fixup_var_refs): No catch_clauses.
5127 (expand_function_end): Likewise. Call expand_eh_return before
5128 the return register use. Call sjlj_emit_function_exit_after.
5129 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
5130 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
5131 * ifcvt.c (dead_or_predicable): Remove eh region check.
5132 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
5133 Don't check for EH vs parameters.
5134 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
5135 (expand_inline_function): Call duplicate_eh_regions.
5136 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
5137 (copy_insn_notes): Remap REG_EH_REGION notes.
5138 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
5139 * integrate.h (struct inline_remap): Add local_return_label.
5140 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
5141 check_exception_handler_labels, nor exception_optimize.
5142 (find_cross_jump): No EH region check.
5143 * optabs.c (init_optabs): Update for changed eh libfuncs.
5144 * rtl.def (RESX): New.
5145 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
5146 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
5147 checks. Update for except.h name changes.
5148 (expand_cleanups): Likewise.
5149 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
5150 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
5151 (compile_file): Call init_eh before init_optabs. Don't
5152 output_exception_table here.
5153 (rest_of_compilation): Call convert_from_eh_region_ranges,
5154 convert_to_eh_region_ranges, output_function_exception_table.
5155 Don't emit_eh_context.
5156 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
5157 (EXC_PTR_EXPR): New.
5159 * md.texi (eh_epilogue): Remove.
5160 (eh_return): Document.
5161 * tm.texi (EH_RETURN_DATA_REGNO): Document.
5162 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
5164 * eh-common.h: Remove file.
5165 * frame-dwarf2.c, frame.c, frame.h: Remove files.
5166 * libgcc2.c (L_eh): Remove.
5168 * unwind-dw2-fde.c: New file, largely copied from frame.c.
5169 * unwind-dw2-fde.h: New file.
5170 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
5171 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
5172 * libgcc-std.ver: Update for eh symbols.
5174 2001-03-27 Richard Henderson <rth@redhat.com>
5176 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
5177 reduce false positives.
5178 (regmove_optimize): Disable if flag_non_call_exceptions.
5180 * stmt.c (expand_return): Remove always true predicate.
5181 (expand_decl_cleanup_no_eh): Remove dead code.
5183 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
5184 barrier code. Add a scheduling barrier if a non-call insn
5185 can throw internally.
5187 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
5188 Auto-inc addresses trap only if their base register does.
5190 * except.c (can_throw_internal): Rename from can_throw.
5191 * except.h, resource.c: Update references.
5193 * integrate.c (copy_insn_list): Use returnjump_p.
5194 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
5196 * function.h (struct function): Move all boolean valued fields
5197 to single bit fields at the end of the struct.
5199 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
5201 Rename asynchronous_exceptions to flag_non_call_exceptions.
5203 * gthr-single.h (UNUSED): New. Distinguish between how C
5204 and C++ mark unused function arguments. Use throughout.
5206 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
5207 value to target configuration header.
5208 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
5209 * config.in, configure: Rebuild.
5210 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
5211 configuration and target defines.
5212 (exceptions_via_longjmp): Remove.
5213 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
5214 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
5216 * except.h (flag_non_call_exceptions): Move ...
5217 * flags.h: ... here.
5219 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
5220 exceptions, put the note on the trapping instruction.
5222 * flags.h (flag_new_exceptions): Remove.
5223 * toplev.c: Don't set it.
5224 * final.c: Don't check it.
5225 * except.c: Provide stub definition.
5227 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
5228 (calculate_global_regs_live): Kill call-clobbered registers
5229 across exception edges.
5230 * reg-stack.c (convert_regs_1): Kill the entire target stack
5231 across non-call exception edges.
5233 * flow.c (cleanup_cfg): Take no argument.
5234 * output.h, sibcall.c, toplev.c: Update all calls.
5236 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5238 * configure.in: Don't check for bcopy.
5239 * configure, config.in: Regenerate.
5241 * system.h: Don't define or prototype bcopy, instead poison it.
5243 2001-03-27 Richard Henderson <rth@redhat.com>
5245 * function.c (expand_function_start): Set DECL_REGISTER on
5246 a pseudo used for DECL_RESULT.
5248 * rtl.h (LCT_NORETURN): New.
5249 * calls.c (emit_library_call_value_1): Handle it.
5251 2001-03-27 Stan Shebs <shebs@apple.com>
5253 * objc/objc-act.c (objc_init): Use dump_base_name.
5254 (gen_declaration): Clear the buffer arg.
5255 (gen_declaration_1): New function, body of gen_declaration.
5256 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
5257 (gen_method_decl): Ditto, plus always clear buffer arg.
5258 (error_with_ivar): Simplify.
5259 (warn_with_method): Ditto.
5260 (build_message_expr): Don't clear buffers.
5261 (dump_interface): Ditto.
5262 (objc_debug): Ditto.
5263 (build_keyword_selector): Clear the buffer by only zeroing
5265 (objc_implementation_context): Declare.
5266 (start_class): Warn about missing @end.
5267 (finish_objc): Ditto.
5269 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
5271 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
5273 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5275 * Makefile.in (SYSTEM_H): Define.
5276 Depend on $(SYSTEM_H), not system.h.
5278 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
5280 2001-03-27 Jim Wilson <wilson@redhat.com>
5282 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
5284 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
5285 (process_epilogue): New static function.
5286 (process_set): Call process_epilogue instead of emitting .restore
5288 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
5290 * flow.c (struct reg_cond_life_info): New fields orig_condition
5292 (init_propagate_block_info): Set new fields.
5293 (mark_regno_cond_dead): Set and use new fields.
5294 (flush_reg_cond_reg_1): Likewise.
5295 (and_reg_cond, case AND): Check for redundant AND conditions.
5296 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
5299 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
5301 * cppmacro.c (stringify_arg): Null terminate strings.
5303 2001-03-27 Zack Weinberg <zackw@stanford.edu>
5305 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
5306 inclusion style. xm-m68hc11.h no longer exists.
5307 * config/m68hc11/xm-m68hc11.h: Delete file.
5308 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
5310 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
5311 Don't define GCC_VERSION, N_, or PARAMS; don't include
5312 gansidecl.h or stdio.h. Define inhibit_libc here.
5313 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5314 Delete code conditioned on #if GCC_VERSION == 2095.
5316 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
5317 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5318 Delete code conditioned on #if GCC_VERSION == 2095.
5320 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5322 * system.h: Include symcat.h.
5323 (STRINGIFY): Don't define.
5325 * configure.in: Adjust comment.
5327 * builtins.c: Use STRINGX, not STRINGIFY.
5328 * gencheck.c: Likewise.
5329 * gengenrtl.c: Likewise.
5330 * protoize.c: Likewise.
5332 * cpplex.c: Don't include symcat.h.
5333 * cpplib.c: Likewise.
5335 * gansidecl.h (HAVE_STRINGIZE): Don't define.
5337 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5339 * c-typeck.c (digest_init): Fold init expression.
5341 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5343 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
5345 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5347 * except.c (eh_regs): Save results of build_pointer_type to a temp
5348 as FUNCTION_VALUE macro may evaluate its args multiple times.
5350 2001-03-26 Mark Mitchell <mark@codesourcery.com>
5352 * c-common.h (DECL_NUM_STMTS): New macro.
5353 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
5355 (pushdecl): Likewise.
5356 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
5357 * integrate.c (expand_inline_function): Don't check
5359 * print-tree.c (print_node): Don't print it.
5360 * toplev.c (rest_of_compilation): Don't try to inline when
5361 flag_no_inline is on.
5362 * tree.h (DECL_FRAME_SIZE): Remove.
5363 (tree_decl): Adjust accordingly.
5365 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5367 * combine.c (try_combine): Use memcpy, not bcopy.
5369 * genattrtab.c (expand_units): Likewise.
5371 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5373 * i386.md (push mem DI peep2): New.
5374 (mov 0, mov -1 peep2): Handle 64bit.
5375 (lea to arithmetics peep2): Handle 64bit leas.
5376 (rsp arithmetics to push/pop peep2s): New.
5378 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
5380 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5382 * i386.c (struct machine_function): Add save_varrargs_registers.
5383 (ix86_save_varrargs_registers): New macro.
5384 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
5385 (ix86_expand_prologue): Likewise.
5386 (ix86_emit_epilogue_esp_adjustement): Likewise.
5387 (ix86_expand_epilogue): Likewise.
5388 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
5389 (pro_epilogue_adjust_stack_1): New insn.
5390 (pro_epilogue_adjust_stack_rex64): Likewise.
5391 * i386.h (MASK_NO_RED_ZONE): New constant.
5392 (TARGET_RED_ZONE): New macro.
5393 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
5394 (RED_ZONE_SIZE): New constant.
5395 (RED_ZONE_RESERVE): New constant.
5397 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5399 * toplev.c (set_float_handler): Use memcpy, not bcopy.
5401 2001-03-25 Kazu Hirata <kazu@hxi.com>
5403 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
5406 (umodhi3): Likewise.
5409 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5411 * mkconfig.sh (DEFINES): Handle entries with '='.
5413 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
5414 Set xm_defines to MACRO=value instead.
5416 * i370/xm-mvs.h: Delete.
5418 * ns32k/xm-pc532-min.h: Likewise.
5420 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5422 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
5424 use ix86_expand_binary_operator
5425 (?sh??i_?): Disable for 64bit.
5426 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
5427 * i386.c (shiftdi_operand): New predicate.
5429 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
5430 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
5431 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
5432 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
5433 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
5434 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
5435 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
5436 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
5437 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
5438 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
5439 (rotldi3, rotrdi3): New expanders.
5441 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5443 * i386.md (movstrsi): Move offline.
5445 (strmovdi_rex64): New.
5446 (strmov?i): Accept 64bit.
5447 (strmov?i_rex64): New.
5448 (strmov?i_rex_1): New.
5449 (strmov?i_1): Disable for 64bit.
5450 (rep_mov?i_rex64): New.
5451 (rep_mov?i): Disable for 64bit.
5452 (clrstrsi): Move offline.
5453 (strset?i_rex64): New.
5454 (strset?i: Accept 64bit.
5455 (rep_stos?i): Disable for 64bit.
5456 (rep_stos?i_rex64): New.
5457 (strset?i_rex_1): New.
5458 (strset?i_1): Disable for 64bit.
5459 (cmpstrsi): Accept 64bit.
5460 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
5461 (cmpstrqi_nz_rex_1): New.
5462 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
5463 (strlensi): Move offline.
5465 (strlenqi_1): Disable for 64bit; fix constraints.
5466 (strlenqi_rex_1): New.
5467 * i386.c (ix86_adjust_counter): New static function.
5468 (ix86_zero_extend_to_Pmode): Likewise.
5469 (ix86_expand_aligntest): Likweise.
5470 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
5471 (ix86_expand_movstr): New global function.
5472 (ix86_expand_clrstr): New global function.
5473 (ix86_expand_strlen): New global function.
5474 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
5475 ix86_expand_strlen): Declare.
5476 (ix86_expand_strlensi_unroll_1): Delete.
5478 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
5480 * i386.md (cmpdi): Fix operand predicates.
5481 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
5482 cmpdi_1_insn_rex64): New patterns.
5483 (adddi3): Turn to expander.
5484 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
5485 (addsi3_carry_zext): New pattern.
5486 (adddi_?_rex64): New patterns and splitters.
5487 (addsi_?_zext): New patterns.
5488 (subsi3_carry_zext): New pattern.
5489 (subdi_?_rex64): New patterns and splitters.
5490 (iorsi_?_zext): New patterns.
5491 (iordi_?_rex64): New patterns and splitters.
5492 (iorsi_?_zext): New patterns.
5493 (iorsi_?_zext_imm): New patterns.
5494 (xorsi_?_zext): New patterns.
5495 (xordi_?_rex64): New patterns and splitters.
5496 (xorsi_?_zext): New patterns.
5497 (negdi*): New patterns.
5498 (one_cmpldi*): Likewise.
5499 (one_cmplsi*_zext, negsi*_zext): Likewise.
5500 (testqi_ext_3_rex64): New pattern.
5502 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
5504 * i386-protos.h (ix86_split_long_move): Return void.
5505 * i386.c (ix86_split_to_parts): Handle 64bit target.
5506 (ix86_split_long_move): Likewise.
5507 * i386.md (all calls to ix86_split_long_move): Update.
5509 2001-03-23 Richard Henderson <rth@redhat.com>
5511 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
5512 to avoid shadowing arguments.
5514 2001-03-23 Jakub Jelinek <jakub@redhat.com>
5516 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
5517 to variable names where DECL_NAME is different from
5518 DECL_ASSEMBLER_NAME.
5520 2001-03-23 Jim Wilson <wilson@redhat.com>
5522 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
5523 (assemble_alias): Call make_decl_rtl.
5525 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
5527 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
5529 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
5531 * extend.texi: Document the "java_interface" attribute.
5533 2001-03-22 Zack Weinberg <zackw@stanford.edu>
5535 * mkconfig.sh: Use a subshell with redirected stdout,
5536 instead of closing stdout and confusing commands that run
5537 afterward. Throw away output of cmp.
5539 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
5541 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
5543 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
5545 * i386.md (zero_extendsidi2_32): Break out from ...
5546 (zero_extendsidi2): ... here ; turn to expander.
5547 (zero_extendsidi2_rex64): New.
5548 (extendsidi2_32): Break out from ...
5549 (extendsidi2): ... here ; turn to expander.
5550 (extendsidi2_rex64): New.
5551 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
5552 (trunc?f?f splitters): Add 64bit versions.
5554 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
5556 * i386.md (pushsi, pushsi2_prologue): Disable.
5557 (pushsi2_rex64): New.
5558 (movabs?i_1_rex64, movabs?i_2_rex64): New.
5559 (movqi_ext_1): Disable for 64bit.
5560 (movqi_ext_1_rex64): New.
5561 (pushdi2_rex64): New pattern, peep2s and splitter.
5562 (pushdi2_prologue_rex64): New pattern.
5563 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
5565 (movdi splitters): Disable for 64bit.
5566 (movdi_1_rex64): New pattern, peep2s and splitters.
5567 (swapdi): New pattern.
5568 (pushsf): Disable for 64bit.
5569 (pushsf_rex64): New pattern and splitter.
5570 (pushdf_nointeger): Disable for 64bit.
5571 (pushdf_integer): Handle the 64bit case.
5572 (pushtf): Likewise; update splitters.
5574 2001-03-22 Richard Henderson <rth@redhat.com>
5576 * mkconfig.sh: Include insn-flags.h.
5577 * Makefile.in (CONFIG_H): Include insn-flags.h.
5578 (lots of objects): Remove insn-codes.h and insn-flags.h.
5580 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
5581 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
5582 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
5583 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
5584 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
5585 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
5586 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
5587 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
5588 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
5589 v850/v850.c, vax/vax.c:
5590 Don't include insn-flags.h.
5592 * diagnostic.c, expr.h, reload.c, toplev.c:
5593 Don't include insn-codes.h.
5595 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
5596 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
5597 c4x/c4x.c, i960/i960.c, mips/mips.c:
5598 Don't include insn-codes.h or insn-flags.h.
5600 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
5601 or insn-flags.h in the generated code.
5602 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
5603 (main): Forward declare struct rtx_def.
5605 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
5607 * invoke.texi (-ffast-math): Remove duplicate line about
5610 * gcc.texi: Remove more obsolete documentation of bugs and
5611 installation problems.
5613 2001-03-21 Kazu Hirata <kazu@hxi.com>
5615 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
5618 2001-03-20 Jason Merrill <jason@redhat.com>
5620 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
5622 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
5623 * varasm.c (CHKR_PREFIX): Likewise.
5625 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5627 * gcse.c (hash_scan_set): An expression is not anticipatible if it
5628 is part of a multi-SET insn.
5630 * cse.c (find_comparison_args): Remove previous change.
5631 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
5634 * config/i386/i386.md (conditional_trap): Remove warning.
5636 * recog.c (push_operand): Fix error in last change that caused
5637 undefined symbol on many targets.
5639 * sdbout.c: #include ggc.h.
5640 (sdbout_init): Move to end of file.
5641 Call ggc_add_tree_root for anonymous_types.
5642 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
5643 (sdbout_one_type): Use DECL_NAME for field name.
5644 * Makefile.in (sdbout.o): Show includes ggc.h.
5646 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
5648 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
5649 (override_options): Use properlimits for preferred_stack_boundary.
5650 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
5652 (ext_register_operand): Accept DImode.
5653 (load_pic_register): Abort on 64bit.
5654 (gen_push): Use Pmode instead of SImode.
5655 (ix86_save_reg): Pic reg is never used on 64bit.
5656 (ix86_expand_prologue): Likewise.
5657 (ix86_emit_save_regs): Use Pmode instead of SImode.
5658 (legitimate_address_p): Check displacement for 64bit.
5659 (print_operand): Avoid outputting of (%rip) on 64bit.
5660 (print_operand_address): Output (%rip) where possible.
5661 (split_di): Abort on 64bit registers.
5662 (ix86_expand_branch): DImode comparison is simple for x86_64.
5663 (memory_address_length): Recognize memory addresses formed using
5665 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
5667 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
5669 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
5671 * recog.c (push_operand): Recognize new format of push instructions.
5673 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
5675 * i386.md (pushqi1): New.
5676 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
5677 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5678 x86_64_immediate_operand, x86_64_immediate_operand,
5679 x86_64_zext_immediate_operand): Declare.
5680 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
5681 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5682 x86_64_immediate_operand, x86_64_immediate_operand,
5683 x86_64_zext_immediate_operand): define.
5684 * i386.h (PREDICATE_CODES): Add new predicates.
5686 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
5688 * i386.md (pophi1, popqi1, pushqi1): Remove.
5690 * expr.c (emit_single_push_insn): New function.
5691 (move_by_pieces): Accept NULL as destination for push instructions.
5692 (gen_push_operand): Kill.
5693 (emit_push_insn): Pass NULL when pushing; avoid updating of
5694 stack_pointer_delta.
5695 * expr.h (gen_push_operand): Kill.
5697 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5699 * rtl.texi (COMPARE): Clarify documentation and reference section
5702 2001-03-20 Stan Shebs <shebs@apple.com>
5704 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
5705 (get_object_reference): Ditto.
5706 (error_with_ivar): Use error_with_file_and_line.
5707 (warn_with_method): Use warning_with_file_and_line.
5709 2001-03-20 Tom Tromey <tromey@redhat.com>
5711 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
5713 2001-03-20 Mark Mitchell <mark@codesourcery.com>
5715 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
5716 variables that are TREE_PUBLIC, even if not TREE_STATIC.
5718 2001-03-20 DJ Delorie <dj@redhat.com>
5720 * Makefile.in (install-libgcc): Pass complete list of variables.
5721 (install-multilib): Ditto.
5723 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5725 * config/i386/cygwin.h: Declare ctor_section, dtor_section
5726 drectve_section, switch_to_section.
5728 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
5729 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
5730 i386_pe_mark_dllimport.
5732 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5734 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
5735 functions i386_pe_*.
5737 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
5738 i386_pe_* functions with char * arguments.
5740 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
5742 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
5744 (movsi_ie): Introduce fpul store.
5746 2001-03-20 Alan Modra <alan@linuxcare.com.au>
5748 * Makefile.in (OBJS): Remove hashtab.o.
5750 2001-03-19 Stan Shebs <shebs@apple.com>
5752 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
5753 * c-lang.c (maybe_objc_method_name): Ditto.
5754 * c-tree.h (maybe_objc_method_name): Remove decl.
5756 2001-03-19 Tom Tromey <tromey@redhat.com>
5758 * gcc.c (init_gcc_specs): Fix comment.
5760 2001-03-19 Mark Mitchell <mark@codesourcery.com>
5762 Compute DECL_ASSEMBLER_NAME lazily.
5763 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
5764 (DECL_ASSEMBLER_NAME_SET_P): New macro.
5765 (SET_DECL_ASSEMBLER_NAME): Likewise.
5766 (COPY_DECL_ASSEMBLER_NAME): Likewise.
5767 (set_decl_assembler_name): Declare.
5768 (lang_set_decl_assembler_name): Likewise.
5769 * tree.c (lang_set_decl_assembler_name): New variab.e
5770 (set_decl_assembler_name): New function.
5771 (init_obstacks): Set lang_set_decl_assembler_name.
5772 (build_decl): Don't set DECL_ASSEMBLER_NAME.
5773 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
5774 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
5775 where it's not necessary.
5776 (builtin_function): Likewise.
5777 (finish_decl): Likewise.
5778 * dbxout.c (dbxout_type_methods): Likewise.
5779 * ggc-common.c (ggc_mark_trees): Likewise.
5780 * profile.c (output_func_start_profiler): Likewise.
5781 * varasm.c (make_decl_rtl): Likewise.
5783 * cse.c (find_comparison_args): Update documentation. Fix
5784 mishandling of COMPARE operations.
5786 * tree.def (ABS_EXPR): Add documentation.
5787 * fold-const.c (fold): Improve folding of ABS_EXPRs.
5789 2001-03-19 Zack Weinberg <zackw@stanford.edu>
5791 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
5793 2001-03-19 Jakub Jelinek <jakub@redhat.com>
5795 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
5796 Remove ia32 linux PIC kludge and move it...
5797 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
5799 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
5801 * i386.md (absdf2 expander): Fix 64bit case.
5803 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
5805 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
5807 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
5809 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
5811 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5813 * README.X11: Remove obsolete file.
5815 2001-03-18 Anthony Green <green@redhat.com>
5817 * config/pj/pj.h: Remove some trailing commas.
5818 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
5820 2001-03-18 Richard Henderson <rth@redhat.com>
5822 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
5823 * calls.c: ... here.
5824 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
5825 defaults for them here.
5827 2001-03-17 Anthony Green <green@redhat.com>
5829 * config/pj/lib1funcs.S: Fix broken comment.
5830 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
5833 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
5835 * gcc.texi: Remove obsolete information relating to build and
5836 installation problems with enquire or the Pyramid C compiler.
5838 2001-03-17 Richard Henderson <rth@redhat.com>
5840 * dwarf2out.c (queue_reg_save): New.
5841 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
5842 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
5844 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
5845 (cfa, cfa_store, cfa_temp): Make static.
5846 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
5848 2001-03-17 Richard Henderson <rth@redhat.com>
5850 * integrate.h (struct inline_remap): Add local_return_label.
5851 * integrate.c (expand_inline_function): Initialize it and emit
5852 it after copy_insn_notes.
5853 (copy_insn_list): Don't store local_return_label here.
5854 (copy_insn_notes): New function split out from copy_insn_list.
5856 2001-03-17 Richard Henderson <rth@redhat.com>
5858 * dwarf2out.c (lookup_filename): Emit .file if the assembler
5859 is generating .debug_line.
5860 (dwarf2out_init): Add main_input_filename to the file table first.
5861 * configure.in (as_dwarf2_debug_line): Test with file number 1
5862 instead of file number 0.
5864 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5866 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
5867 (gen_rtx_combine): Deleted; all references changed as appropriate.
5868 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
5870 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
5872 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
5874 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
5877 2001-03-16 Jim Wilson <wilson@redhat.com>
5879 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
5880 then set it to LOC_REG (79) instead of aborting.
5882 2001-03-16 Phil Edwards <pme@sources.redhat.com>
5884 * gccbug.in: Remove high priority.
5886 2001-03-16 Richard Henerson <rth@redhat.com>
5888 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
5889 output with a space instead of deleting it.
5890 * configure: Regenerate.
5892 2001-03-16 Zack Weinberg <zackw@stanford.edu>
5894 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
5895 handles the gory details of converting an object file into
5896 something that's safe to grep.
5897 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5898 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
5899 newlines at either end of the string we're looking for.
5900 Make 'checking ...' message less stilted.
5901 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
5902 ARM in-memory layout and its hypothetical converse. Don't
5903 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
5904 HOST_WORDS_BIG_ENDIAN.
5906 * configure.in: Adjust for renamed macro. Move
5907 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
5908 * configure, config.in: Regenerate.
5910 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5912 * fixinc/Makefile.in: Set SHELL.
5914 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5916 * fixinc/fixincl.c (fix_with_system): Quote file names before
5917 passing them to shell.
5919 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5921 * Makefile.in: Use fix-header$(build_exeext) instead
5924 2001-03-16 Richard Henderson <rth@redhat.com>
5926 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
5927 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5928 (size_of_line_prolog): Remove.
5929 (output_line_info): Compute prologue size via label difference.
5930 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
5932 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
5933 assembler error when redefining file numbers.
5934 * config.in, configure: Rebuild.
5936 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
5937 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
5938 (dw2_asm_output_delta_uleb128): Likewise.
5939 (dw2_asm_output_delta_sleb128): Similarly.
5940 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
5942 2001-03-16 Michael Meissner <meissner@redhat.com>
5944 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
5946 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
5948 (BITMASK_LOWER16): Replacement for 0x0000ffff.
5950 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
5951 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
5952 being unsigned in ISO C and signed in traditional.
5953 (expand_prologue): Ditto.
5954 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
5956 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
5958 (divsi3,divdi3): Ditto.
5959 (modsi3,moddi3): Ditto.
5960 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
5961 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
5962 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
5965 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
5967 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
5968 SSE based conditional moves on LTGT/UNEQ conditions;
5969 Canonicalize EQ to NE.
5970 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
5971 (sse_mov?fcc_ne): New.
5973 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
5975 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5977 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
5978 register may be dead.
5980 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
5982 * Makefile.in (hash.o): Depend on CONFIG_H.
5984 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5986 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
5988 2001-03-15 Richard Henderson <rth@redhat.com>
5990 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
5991 (ASM_OUTPUT_DWARF_PCREL): New.
5992 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
5994 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5996 * cppfiles.c (stack_include_file): Use MAX of sysp.
5998 2001-03-15 Steve Ellcey <sje@cup.hp.com>
6000 * config.gcc (ia64*-*-hpux*): New case.
6001 * config/ia64/hpux.h: New file for HP-UX support.
6002 * config/ia64/t-hpux: New file for HP-UX support.
6004 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
6006 * fixinc/inclhack.def (irix_stdio_va_list): New.
6007 * fixinc/fixincl.x: Rebuilt.
6009 2001-03-15 Richard Henderson <rth@redhat.com>
6011 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
6012 if provided by the target.
6013 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
6014 (dw2_asm_output_addr): New.
6015 * dwarf2asm.h (dw2_asm_output_addr): Declare.
6016 * dwarf2out.c (output_cfi): Use it for program addresses.
6017 (output_call_frame_info, output_die): Likewise.
6018 (output_aranges, output_line_info): Likewise.
6020 2001-03-15 Bruce Korb <bkorb@gnu.org>
6022 * gcc.c(main): make more rigorous
6023 * collect2.c(main): guard against ignoring SIGCHLD
6024 * protoize.c(main): ditto
6025 * gcc/fixinc/fixincl.c(initialize): ditto
6027 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6029 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
6030 (sdbout_parms): Likewise.
6032 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
6034 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
6035 "widen" a destination that is already wider than a word. Also do
6036 not widen if LOAD_EXTEND_OP is NIL for the given mode.
6038 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6040 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
6042 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
6044 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
6046 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
6048 * i960.h (i960_maxbitalignment,
6049 i960_last_maxbitalignment): Declare.
6050 * i960.c (i960_maxbitalignment,
6051 i960_last_maxbitalignment): Make global.
6052 (process_pragma): Delete.
6053 (i960_pr_align, i960_pr_noalign): Move from here ...
6054 * i960-c.c: ... to this new file.
6055 * t-960bare (i960-c.o): New rule.
6056 * t-vxworks960 (i960-c.o): Likewise.
6057 * config.gcc (i960-*-*): Define c_target_objs and
6060 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6062 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
6063 without adding in rtx code and mode.
6065 * alias.c (init_alias_analysis): Don't use any rtx whose value
6066 varies as a known value.
6067 Delete a superfluous test.
6069 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
6071 (ia64_sched_reorder): Call maybe_rotate; also rotate after
6072 scheduling a stop bit.
6073 (ia64_emit_nops): Correctly handle ASMs.
6075 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6077 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
6079 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
6081 * cpp.texi: Update documentation for -include and -imacros.
6082 * cppfiles.c (struct include_file): Remove "defined" memeber.
6083 (find_or_create_entry): Make a copy of the file name, and
6085 (open_file): Update to ensure we use the simplified filename.
6086 (stack_include_file): Don't set search_from.
6087 (cpp_included): Don't simplify the path name here.
6088 (find_include_file): New prototype. Call search_from to
6089 get the start of the "" include chain. Don't simplify the
6091 (_cpp_execute_include): New prototype. Move diagnostics to
6092 do_include_common. Update.
6093 (_cpp_pop_file_buffer): Don't set defined.
6094 (search_from): New prototype. Use the preprocessor's cwd
6095 for files included from the command line.
6096 (read_name_map): Don't simplify the pathname here.
6097 * cpphash.h (enum include_type): New.
6098 (struct buffer): Delete search from. New search_cached.
6099 (_cpp_execute_include): Update prototype.
6100 * cppinit.c (do_includes): Use _cpp_execute_include.
6101 * cpplib.c (do_include_common): New function.
6102 (do_include, do_include_next, do_import): Use it.
6104 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6106 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
6107 contents of the RTL, to determine the name of the object.
6109 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6111 * tree.h (DECL_RTL): Allocate RTL lazily.
6112 (SET_DECL_RTL): New macro.
6113 (DECL_RTL_SET_P): Likewise.
6114 (COPY_DECL_RTL): Likewise.
6115 (DECL_RTL_IF_SET): Likewise.
6116 * varasm.c (make_decl_rtl): Add assertions about the kind of
6117 declaration we are processing.
6118 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
6119 (start_decl): Likewise.
6120 (finish_decl): Likewise.
6121 * c-semantics.c (emit_local_var): Likewise.
6122 * calls.c (expand_call): Likewise.
6123 * dbxout.c (dbxout_symbol): Likewise.
6124 * emit-rtl.c (unshare_all_rtl): Likewise.
6125 (unshare_all_decls): Likewise.
6126 (reset_used_decls): Likewise.
6127 * expr.c (store_constructor): Likewise.
6128 (safe_from_p): Likewise.
6129 (expand_expr): Likewise.
6130 * function.c (put_var_into_stack): Likewise.
6131 (instantiate_decls_1): Likewise.
6132 (assign_parms): Likewise.
6133 (expand_function_start): Likewise.
6134 (expand_function_end): Likewise.
6135 * ggc-common.c (gcc_mark_trees): Likewise.
6136 * integrate.c (function_cannot_inline_p): Likewise.
6137 (copy_decl_for_inlining): Likewise.
6138 (expand_inline_function): Likewise.
6139 (integrate_parm_decls): Likewise.
6140 (integrate_decl_tree): Likewise.
6141 * print-tree.c (print_node): Likewise.
6142 * reg-stack.c (stack_result): Likewise.
6143 * stmt.c (label_rtx): Likewise.
6144 (expand_return): Likewise.
6145 (expand_decl): Likewise.
6146 (expand_decl_cleanup): Likewise.
6147 (expand_anon_union_decl): Likewise.
6148 * toplev.c (check_global_declarations): Likewise.
6149 (rest_of_decl_compilation): Likewise.
6150 * tree.c (simple_cst_equal): Likewise.
6151 * objc/objc-act.c (generate_static_references): Likewise.
6153 2001-03-14 Zack Weinberg <zackw@stanford.edu>
6155 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
6156 gcc_AC_C_FLOAT_FORMAT): New macros.
6157 * configure.in: Add AC_PROG_CPP after CC tests;
6158 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
6159 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
6160 * configure, config.in: Regenerate.
6162 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
6163 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6164 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6165 config/i370/xm-linux.h, config/i370/xm-oe.h,
6166 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6167 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
6168 config/pa/xm-linux.h, config/pa/xm-pa.h,
6169 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
6170 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
6171 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
6172 config/we32k/xm-we32k.h: Delete.
6174 * config/i370/xm-mvs.h, config/m88k/m88k.h,
6175 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6176 config/vax/xm-vms.h: Don't define any of:
6177 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
6179 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
6181 * config.gcc: Remove references to deleted files.
6182 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
6183 FATAL_EXIT_CODE, which is the same between oe and mvs).
6185 2001-03-14 DJ Delorie <dj@redhat.com>
6186 Vladimir Makarov <vmakarov@redhat.com>
6188 * config/i960/i960.c (i960_function_prologue): Compute size of
6189 frame according to number of registers actually saved there.
6191 2001-03-14 Richard Henderson <rth@redhat.com>
6193 * expr.c (emit_move_insn_1): Fix else if around #endif.
6195 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
6198 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
6201 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
6203 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
6204 (override_options): Parse cmodel string.
6205 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
6206 * i386.h (TARGET_OPTIONS): Add "cmodel".
6207 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
6209 (ix86_cmodel_string, ix86_cmodel): Declare.
6211 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
6214 * i386.h (GENERAL_REG_P): Add missing REG_P.
6216 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
6218 * configure.in: Use $gcc_cv_as instead of $as.
6219 * configure: Regenerated.
6221 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
6223 * cppfiles.c (stack_include_file): Only increase the include
6224 count if we actually process the file properly, as opposed
6225 to treating it as length zero. Only call read_include_file
6226 if not DO_NOT_REREAD. Handle the -H include file output
6228 (read_include_file): Remove now redundant DO_NOT_REREAD check.
6229 (cpp_included, find_include_file): Simplify pathnames after
6230 remapping them. If remapping, don't use the remapped file
6231 name's buffer as our scratch buffer.
6232 (cpp_pop_file_buffer): Replace the multiple include macro
6233 only if it isn't yet set.
6234 (read_name_map): Simplify remapped names when reading in.
6235 (remap_filename): Move code to code path that uses it.
6236 (_cpp_simplify_pathname): Return the input pointer.
6237 * cpphash.h (_cpp_simplify_pathname): Update prototype.
6239 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6241 * expr.c (expand_expr): Revove bogus conditional.
6243 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
6245 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
6247 2001-03-14 Jakub Jelinek <jakub@redhat.com>
6249 * reg-stack.c (stack_result): Unconditionally use
6250 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
6252 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
6254 * expr.c (emit_move_insn_1): Split push of complex value when
6255 no suitable push instruction exist.
6257 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
6258 instead of QI_REG_P.
6260 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6262 * alias.c (handled_component_p, can_address_p): New functions.
6263 (get_alias_set): Use them.
6265 2001-03-13 Jim Wilson <wilson@redhat.com>
6267 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
6268 from 80 in try_locals code.
6269 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
6271 2001-03-13 Zack Weinberg <zackw@stanford.edu>
6273 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
6274 gcc_AC_C_LONG_LONG): New.
6275 * configure.in: Use them. Probe the size of short, int, long,
6276 and long long/__int64 if we have them. Move all the AC_C_*
6277 checks together, except gcc_AC_C_CHAR_BIT which has to go
6278 after AC_CHECK_HEADERS(limits.h).
6279 Take hwint.h out of host_xm_file and build_xm_file.
6281 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
6282 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
6283 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
6284 Move the HOST_WIDEST_INT setup logic here from system.h.
6285 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
6287 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
6288 is now handled by hwint.h.
6290 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
6291 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
6292 config/ia64/xm-ia64.h: Don't define any of:
6293 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
6294 HOST_BITS_PER_LONGLONG.
6296 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
6297 config/h8300/xm-h8300.h, config/mips/iris6.h,
6298 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
6299 config/sparc/xm-sp64.h: Delete.
6300 * config.gcc: Remove references to deleted files.
6302 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
6303 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
6304 * config/i370/xm-linux.h: Clarify floating-point situation in
6307 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
6309 * cppfiles.c (NO_INCLUDE_PATH): New macro.
6310 (find_include_file): Decide here which part of the include
6311 chain to start the search. Complain about an empty include
6312 chain in all cases apart from an abolsute file name.
6313 (_cpp_execute_include): Don't choose the search chain here.
6314 Don't call handle_missing_include in the case of an empty
6316 (_cpp_compare_file_date): Don't choose the search chain here.
6317 * cpplib.c (do_include_next): Move the in-main-file diagnostic
6318 here from _cpp_execute_include. Behave like #include if
6319 we're in the main file.
6321 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6323 * system.h (malloc, realloc, calloc, strdup): Only poison these
6324 tokens when IN_GCC is defined.
6326 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
6328 * i386.md (abs?f expander): Support SSE case.
6329 (abd?f_if): Add new "USE"; add splitters.
6331 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6333 * cpp.texi (poison): Explain the macro expansion exception.
6335 2001-03-13 Jakub Jelinek <jakub@redhat.com>
6337 * expr.c (store_expr): Add dont_store_target. If temp is already in
6338 target before copying to reg, don't store it into target again.
6340 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6342 * cppinternals.texi: Update for file handling.
6344 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6346 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
6347 2001-02-24 which broke building the Java library.
6348 * function.c (identify_blocks): Likewise.
6349 (all_blocks): Likewise.
6350 * integrate.c (integrate_decl_tree): Likewise.
6351 * print-tree.c (print_node): Likewise.
6352 * tree.h (BLOCK_NUMBER): Likewise.
6353 (struct tree_block): Likewise.
6355 2001-03-12 David Edelsohn <edelsohn@gnu.org>
6357 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
6358 __WCHAR_TYPE__ definition.
6359 (WCHAR_TYPE_SIZE): #undef before #define.
6361 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6363 * cppfiles.c: Update comments.
6364 (destroy_include_file_node): Rename destroy_node.
6365 (find_or_create_entry): New function.
6366 (open_file, _cpp_fake_include): Use it.
6367 (handle_missing_header): New function, broken out of
6368 _cpp_execute include. Don't segfault if there is no
6369 system or quoted path.
6370 (_cpp_execute_include): Use handle_missing_header.
6372 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6374 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
6375 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
6377 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6379 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
6380 unless anti_dependence says they are.
6381 * alias.c (objects_must_conflict): If neither has a type specified,
6384 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6385 David Billinghurst <David.Billinghurst@riotinto.com>
6387 * config/mips/iris5.h: Change WCHAR_TYPE to int.
6389 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
6391 * i386.md (trunctfdf2_2): Rename missnamed pattern.
6392 (*_one_bit): Remove type on the match_operand in attributes.
6394 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
6396 * i386.c: Commit forgotten hunk in previous patch.
6397 (regclass_map): Add extended registers.
6398 (dbx_register_map): Add missing frame register.
6400 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
6402 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
6404 * i386.md (x86_sahf_1): Disable for 64bit.
6405 (popsi*, pophi*): Likewise.
6406 (pushqi, pushhi): Likewise.
6407 (movdi, pushdi): Likewise.
6408 (zero extend DImode splitter): Likewise.
6409 (adddi, minusdi splitter): Likewise.
6410 (umulsidi): Likewise.
6412 (mulsidi): Disable for 64bit
6413 (lshift:DI/ashift:DI): Disable for 64bit.
6414 (loop patterns): Likewise.
6415 (call_pop, call_value_pop expanders and patterns): Likewise.
6416 (prologue_get_pc): Likewise.
6418 (fcmovDI pattern and splitter): Likewise.
6419 (movdfcc_1_rex64): New.
6421 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
6423 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
6424 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
6425 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
6426 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
6427 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
6428 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
6429 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
6430 (PUSH_ROUNDING): x86_64 rounds to 64bits.
6431 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
6432 (REGPARM_MAX): Set to 6 for x86_64.
6433 (SSE_REGPARM_MAX): Set to 16 for x86_64.
6434 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
6437 * (patterns that does use upper halves): Update constraints
6438 'q' to 'Q' and 'r' to 'R'.
6439 (cmpqi_ext_1): Disable for 64bit.
6440 (cmpqi_ext_3_insn): Likewise.
6441 (movqi_extzv_1): Likewsie.
6442 (addqi_ext_1): Liekwsie
6443 (testqi_ext_1): Liekwsie
6444 (andqi_ext_1): Liekwsie
6445 (xorqi_ext_1): Liekwsie
6446 (cmpqi_ext_1_rex64): New.
6447 (cmpqi_ext_3_insn_rex64): Likewise.
6448 (movqi_extzv_1_rex64): Likewsie.
6449 (addqi_ext_1_rex64): Liekwsie
6450 (testqi_ext_1_rex64): Liekwsie
6451 (andqi_ext_1_rex64): Liekwsie
6452 (xorqi_ext_1_rex64): Liekwsie
6454 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6456 * configure.in: Move check for unsigned enumerated bitfields
6457 to macro in aclocal.m4. Disable it for now.
6458 * configure, config.in: Regenerate.
6459 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
6460 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
6461 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
6462 kind above its first use.
6464 * config/xm-interix.h, config/alpha/xm-alpha.h,
6465 config/i370/xm-linux.h, config/i386/xm-beos.h,
6466 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
6467 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6468 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
6469 Don't define ONLY_INT_FIELDS under any circumstances.
6471 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
6473 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6474 config/sparc/xm-sysv4.h: Delete - now identical with some
6476 * config.gcc (hppa targets): Replace xm-pahpux.h and
6477 xm-papro.h with implicit xm-pa.h.
6478 (sparc targets): Replace xm-sysv4.h with implicit or explicit
6481 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
6483 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
6484 before reload_cse_noop_set_p.
6486 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6488 * config.gcc: Where xm-host.h used to include another
6489 xm-host.h, list the nested header directly in xm_file. Remove
6490 references to deleted files. Can now use sparc/xm-sp64.h for
6493 * config/xm-linux.h, config/arm/xm-linux.h,
6494 config/i386/xm-dos.h, config/i386/xm-gnu.h,
6495 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
6496 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
6497 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
6498 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
6501 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
6502 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
6503 bother to wrap #undef in #ifdef.
6504 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
6505 Don't include xm-linux.h.
6506 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
6508 * configure.in: Wrap regexps using [] in changequote block.
6509 Use expr : not echo | grep. Simplify regexps.
6510 * configure: Regenerate.
6512 56 xm-files remain, 22 xm-arch.
6514 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6516 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
6517 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6518 (local_index, local_rindex): Delete, use strchr/strrchr instead.
6519 (copy_object): Fix format specifier vs argument mismatch.
6521 * mips-tdump.c: Make local functions static.
6522 (rindex): Don't #undef.
6523 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6524 (fatal, fancy_abort): Delete.
6525 (read_seek): Avoid signed/unsigned compare.
6527 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6529 * combine.c (try_combine): Fix error in change to try original
6531 (gen_rtx_combine): Do same as gen_rtx for now.
6533 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6535 * configure.in: AC_SUBST xm_defines.
6536 * configure: Regenerate.
6537 * Makefile.in: Set DEFINES=$(xm_defines) when building
6540 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
6542 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
6543 (cpp_included, find_include_file): Update.
6544 (_cpp_compare_file_date): Make else unconditional.
6546 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
6548 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
6550 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6552 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
6553 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
6555 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
6557 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
6558 if it's a record type.
6560 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
6562 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
6563 mingw includes slightly.
6565 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6567 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
6568 #undef token before poisoning it.
6570 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6572 * alpha.c (check_float_value): Use memcpy, not bcopy.
6574 * m32r.c (m32r_sched_reorder): Likewise.
6576 * vax.c (check_float_value): Likewise.
6578 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6580 * toplev.c (file_name_nondirectory): Remove.
6581 * toplev.h: Similarly.
6582 * dwarf2out.c (compute_section_prefix): Use lbasename instead
6583 of file_name_nondirectory.
6585 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6587 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
6588 * mips-tfile.c: Don't #undef rindex; not used.
6590 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
6592 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
6593 (dbx64_register_map): Declare.
6594 (RETURN_ADDR_RTX): Fix for 64bit.
6595 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
6596 (INCOMING_FRAME_SP_OFFSET): Set to 8.
6597 * i386.c (dbx64_register_map): New global array.
6598 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
6599 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
6602 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6604 * cppfiles.c (search_from): Use lbasename.
6605 * mkdeps.c (deps_add_default_target): Use lbasename.
6607 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6609 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
6610 xcalloc in lieu of malloc, realloc & calloc.
6612 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
6614 * gengenrtl.c (xmalloc): Likewise.
6616 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
6617 really_call_* memory allocation routines.
6619 * stmt.c (check_for_full_enumeration_handling): Use
6620 really_call_calloc, not calloc.
6622 * system.h (really_call_malloc, really_call_calloc,
6623 really_call_realloc): Define.
6624 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
6626 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
6628 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
6630 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
6632 * configure: Rebuilt.
6633 * configure.in: Only use `lang_requires' for languages athat are
6636 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
6638 * invoke.texi: Fix typo.
6639 * gcc.1: Regenerate.
6641 2001-03-09 Zack Weinberg <zackw@stanford.edu>
6643 * configure.in: Prune nonexistent files from build_xm_file,
6644 xm_file, and host_xm_file lists. Warn unless they're
6646 Don't generate *config.h here.
6647 AC_SUBST all variables needed to generate *config.h.
6648 * configure: Regenerate.
6649 * mkconfig.sh: New helper script, from code removed from
6651 * Makefile.in: Zap all MALLOC variables - no longer used
6652 anywhere, and malloc.c doesn't exist.
6653 Substitute in variables needed to generate *config.h.
6654 Stop lying about the dependencies contained in CONFIG_H and
6656 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
6657 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
6658 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
6659 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
6660 $(TM_P_H), etc. as appropriate.
6662 * config.gcc: Zap references to deleted files.
6663 * ggc-none.c: Don't include rtl.h or tm_p.h.
6665 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
6666 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
6667 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
6668 config/i386/xm-linux.h, config/i386/xm-linux.h,
6669 config/i386/xm-next.h, config/i386/xm-openbsd.h,
6670 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
6671 Don't include i386/xm-i386.h.
6673 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
6674 config/i386/xm-i386.h, config/i860/xm-i860.h,
6675 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
6676 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6677 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
6678 Delete (empty except comments, #includes of other deleted
6679 files, and macros used nowhere).
6681 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
6683 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
6684 independent on TARGET_FLAGS.
6686 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
6688 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
6690 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
6692 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
6694 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
6695 LAST_REX_SSE_REG): define.
6696 (enum reg_class): Add 'LEGACY_REGS'
6697 (REG_CLASS_CONTENTS): Likewise; add extended registers.
6698 (SSE_REGNO_P): Recognize extended registers.
6699 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
6700 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
6701 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
6702 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
6703 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
6704 REG_OK_FOR_STRREG_P): Remove.
6705 (HI_REGISTER_NAMES): Add extended registers.
6706 (ADDITIONAL_REGISTER_NAMES): Likewise.
6707 (QI_REGISTER_NAMES): Add 8bit extended registers.
6708 (DEBUG_REG): Support extended registers.
6709 * i386.c (regclass_map): Add extended registers.
6710 (dbx_register-map): Likewise.
6711 (svr4_dbx_register_map): Likewise.
6712 (print_reg): Support extended registers.
6713 (print_operand): Support 64bit operands.
6715 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
6717 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
6718 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6719 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
6720 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
6721 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
6722 STACK_BOUNDARY): Set properly for 64bits.
6723 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
6724 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
6725 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
6726 (MOVE_MAX): Set to 16.
6727 (MOVE_MAX_PIECES): 8 for 64bit.
6728 (Pmode): Set to SImode.
6730 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
6732 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
6734 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
6736 * i386.h (mask_64bit): New constant.
6737 (target_64bit): New macro.
6738 (target_options): Add '64'/'32'
6739 (target_default): Define.
6740 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
6741 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
6742 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
6744 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
6746 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
6748 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
6750 * rtlanal.c (rtx_varies_p): Check operand 0 of a
6751 LO_SUM unless for_alias is set.
6753 2001-03-08 Stan Shebs <shebs@apple.com>
6755 * objc/objc-act.c: Fix old typos in comments, add comments for
6757 (hash_init): Fix file name in error message.
6758 (hash_enter): Ditto.
6759 (hash_add_attr): Ditto.
6760 (continue_class): Ditto.
6762 2001-03-08 Bruce Korb <bkorb@gnu.org>
6764 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
6765 wait4() can receive the signal.
6767 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6769 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
6771 * fixinc/fixincl.x: Regenerate.
6773 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6775 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
6777 * fixinc/fixincl.x: Regenerate.
6779 2001-03-08 Richard Henderson <rth@redhat.com>
6781 * configure.in (HAVE_AS_LEB128): New assembler check.
6782 * configure, config.in: Rebuilt.
6784 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
6786 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
6789 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6791 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
6792 references to the MAXPATHLEN macro.
6794 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
6795 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
6798 * config/i386/xm-gnu.h, config/xm-gnu.h,
6799 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
6800 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
6801 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
6802 and/or unused files.
6804 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
6805 doing so in various xm-*.h files.
6807 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6809 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
6811 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
6813 * configure.in (enable_shared): Support per-package shared-library
6815 * configure: Rebuilt.
6817 2001-03-07 David Edelsohn <edelsohn@gnu.org>
6819 * rs6000.md (cr logic): Add original POWER mnemonic alternative
6820 for crnot. Set operands[5] in splitter.
6822 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6824 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
6825 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
6826 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
6827 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
6828 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
6829 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
6830 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
6833 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
6834 config/i370/xm-i370.h, config/i386/xm-dgux.h,
6835 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6836 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6837 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
6838 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
6839 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
6840 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
6841 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
6842 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
6843 Delete unused and/or empty files.
6845 * config.gcc: Define USG in xm_defines as appropriate. Define
6846 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
6847 macro. Remove deleted xm-* files from $xm_files variable.
6849 2001-03-07 Tom Tromey <tromey@redhat.com>
6851 * configure: Rebuilt.
6852 * configure.in: Allow config-lang.in to set `lang_requires' to list
6853 of other required languages.
6855 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
6857 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
6859 (output_prologue): Use xmalloc not oballoc.
6860 (output_epilog): Free a29k_first_epilogue_insn when finished.
6861 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
6863 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
6865 * builtins.c (expand_builtin_mathfn): Check
6866 flag_unsafe_math_optimizations, not flag_fast_math.
6867 (expand_builtin): Likewise
6868 * combine.c (combine_simplify_rtx): Likewise.
6869 (simplify_if_then_else): Likewise.
6870 * cse.c (fold_rtx): Likewise.
6871 * flags.h: Remove flag_fast_math. Add
6872 flag_unsafe_math_optimizations and flag_trapping_math.
6873 * fold-const.c (negate_expr): Check
6874 flag_unsafe_math_optimizations, not flag_fast_math.
6875 (invert_truthvalue): Likewise.
6876 (fold): Likewise. Before associating operands, check that
6877 code == MULT_EXPR, not code != MULT_EXPR.
6878 * ifcvt.c (noce_try_minmax): Check
6879 flag_unsafe_math_optimizations, not flag_fast_math.
6880 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
6881 * invoke.texi: Document -funsafe-math-optimizations and
6882 -fno-trapping-math. Change documentation for -ffast-math.
6883 * jump.c (reversed_comparison_code_parts): Likewise.
6884 (rtx_equal_for_thread_p): Likewise.
6885 * optabs.c (emit_conditional_move): Likewise.
6886 * simplify-rtx.c (simplify_binary_operation): Likewise.
6887 (simplify_relational_operation): Likewise.
6888 (simplify_ternary_operation): Likewise.
6889 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
6890 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
6891 Add trapping-math and unsafe-math-optimizations entries to f_options.
6892 (set_fast_math_flags): New, sets flags for -ffast-math.
6893 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
6894 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
6895 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
6897 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6898 (alpha_emit_conditional_move): Initialize local_fast_math to
6899 flag_unsafe_math_optimizations, not flat_fast_math.
6900 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
6901 instead of setting flag_fast_math to 1.
6902 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
6904 * config/i386/i386.c (override_options): Likewise
6905 * config/i386/i386.md: Likewise.
6906 * config/m68k/m68k.md: Likewise.
6907 * config/mips/mips.md: Likewise.
6908 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
6909 (rs6000_generate_compare): Likewise.
6911 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6913 * Makefile.in: Set RANLIB to @RANLIB@.
6916 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6918 * fixinc/inclhack.def (djgpp_wchar_h): New test.
6919 * fixinc/fixincl.x: Regenerated.
6921 2001-03-07 Richard Henderson <rth@redhat.com>
6923 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
6925 2001-03-07 Richard Henderson <rth@redhat.com>
6927 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
6928 of block notes and exception handling notes.
6930 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
6931 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
6932 (compile_file): ... here.
6934 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6936 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
6938 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
6939 config.h now. Include libiberty.h to handle alloca.
6941 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6943 * c-parse.in (yylexname): New function, split out of _yylex.
6944 (objc_rid_sans_at): New table.
6945 (init_reswords): Initialize it.
6946 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
6947 retrieving the next token and checking it for significance as
6948 an ObjC keyword or string constant.
6950 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
6951 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
6953 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
6956 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
6958 * config/m68k/m68k.c (const_uint32_operand): Accept any
6959 const_int on a 32-bit host.
6961 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
6963 * objc/objc-act.c (init_objc): Set save_lang_status,
6964 restore_lang_status, and mark_lang_status.
6966 2001-03-06 Krister Walfridsson <cato@df.lth.se>
6968 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
6970 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
6972 * cppinternals.texi: Update.
6974 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6976 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6977 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
6978 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
6979 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6980 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
6981 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6982 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
6983 config/i386/xm-i386.h, config/i860/xm-i860.h,
6984 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6985 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
6986 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6987 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6988 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6989 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6990 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
6991 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6992 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
6993 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6994 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6995 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
6996 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
6997 match the defaults provided in hwint.h.
6999 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7000 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
7002 * config.gcc (xm_file): Don't set to files which are deleted.
7004 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
7005 guard this file against these macros being undefined.
7007 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7009 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
7010 and DECL_DEFER_OUTPUT on the decl we create, before calling
7011 rest_of_decl_compilation.
7013 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7015 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
7017 * configure, config.in: Regenerate.
7018 * config.gcc: Remove references to deleted files.
7020 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
7021 genrecog.c, rtl.c: Do not use alloca anywhere.
7023 * Makefile.in, build-make, system.h, config/x-interix,
7024 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
7025 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
7026 config/arc/xm-arc.h, config/arm/xm-arm.h,
7027 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7028 config/h8300/xm-h8300.h, config/i370/x-oe,
7029 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
7030 config/i386/x-ncr3000, config/i386/x-sco5,
7031 config/i386/xm-dgux.h, config/i860/x-sysv4,
7032 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
7033 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
7034 config/m68k/x-hp320g, config/m69k/x-mot3300,
7035 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
7036 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
7037 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
7038 config/m88k/x-sysv4, config/m88k/x-tekXD88,
7039 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7040 config/mips/x-iris, config/mips/x-iris3,
7041 config/mips/x-sni-svr4, config/mips/x-sysv,
7042 config/mips/xm-iris6.h, config/mips/xm-mips.h,
7043 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
7044 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
7045 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7046 config/pa/xm-papro.h, config/romp/xm-romp.h,
7047 config/rs6000/x-aix31, config/rs6000/x-aix41,
7048 config/rs6000/x-beos, config/rs6000/x-lynx,
7049 config/rs6000/x-mach, config/rs6000/x-rs6000,
7050 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
7051 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7052 config/sparc/x-sysv4, config/sparc/xm-linux.h,
7053 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
7054 config/vax/xm-vms.h: Eradicate all references to alloca and
7057 * config/xm-alloca.h, config/clipper/x-clix,
7058 config/i386/xm-sysv4.h, config/i860/x-fx2800,
7059 config/i860/x-sysv3, config/m88k/x-sysv3,
7060 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
7061 (contained only alloca related hacks).
7063 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
7066 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
7068 * invoke.texi: Document __FAST_MATH__.
7070 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7072 * crtstuff.c: Restore include of auto-host.h.
7074 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
7076 Put main() in a separate file, so that the language
7077 front-end can use a different main().
7080 * toplev.c: (main): Rename as toplev_main.
7081 * toplev.h: Declare toplev_main.
7082 * Makefile.in (OBJS): add toplev.o.
7083 (BACKEND): remove toplev.o, add main.o.
7085 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7087 * cppfiles.c (search_from): Special case the empty string.
7089 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7091 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
7092 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
7093 strlen or strcpy; we already know the length.
7094 (_cpp_compare_file_date): Similarly.
7095 * cpphash.h (struct cpp_reader): Delete done_initialising.
7096 (CPP_PREV_BUFFER): Delete.
7097 * cppinit.c (cpp_start_read): Don't set done_initialising.
7098 * cpplex.c (parse_string): Guarantee null-termination.
7099 (_cpp_equiv_toklists): Remove.
7100 * cpplib.c (glue_header_name): Null-terminate.
7101 (do_line): Don't leak memory.
7102 * cpplib.h (BT_WEAK): Delete.
7103 * cppmain.c (cb_ident): Strings are now null-terminated.
7105 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
7107 * gcc.c (convert_filename): Append executable suffix
7108 if NO_AUTO_EXE_SUFFIX is not defined.
7109 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
7110 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
7112 2001-03-03 David O'Brien <obrien@FreeBSD.org>
7114 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7115 * c-parse.gperf, c-gperf.h: Delete.
7116 (c-gperf.h was accidently re-added to the CVS repo in the rev
7117 1.16 commit by tromey)
7119 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7121 * cpplex.c (_cpp_lex_token): Don't warn about directives in
7122 macro arguments when looking for the '('.
7123 * cppmacro.c (funlike_invocation_p): Set parsing_args to
7124 2 when really parsing arguments; 1 when looking for '('.
7125 Always restore the lexer position.
7127 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7129 * longlong.h (umul_ppmm): Don't use a multiline string.
7131 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
7133 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
7134 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
7135 t_bool in declaration because pcc can't combine volatile with typedef
7138 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
7140 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
7141 until when it is really needed.
7142 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
7143 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
7144 * i386.md (float?i?f splitter): Don't force source operand to memory
7146 (sse_movdfcc): Fix constraint.
7147 (sse_movdfcc splitter): Handle properly the second alternative.
7149 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7151 * cpplex.c (parse_string): Unconditionally pedwarn.
7153 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7156 * cppexp.c (parse_number): Update.
7157 * cpplex.c (parse_string): Pedwarn if multiline string does not
7158 result from a system header's macro.
7159 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
7160 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
7161 for function-like macros too.
7162 * c-lex.c (lex_number): Update.
7164 2001-03-03 Richard Henderson <rth@redhat.com>
7166 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
7168 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
7170 * combine.c (try_combine): If split with mode-changed scratch
7171 register didn't work, try the original mode.
7173 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
7175 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
7176 * config/c4x/c4x.h: Likewise.
7177 * stor-layout.c (compute_record_mode): Likewise.
7178 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
7180 2001-03-02 Zack Weinberg <zackw@stanford.edu>
7182 * configure.in: Kill tm.h. Include the files in the $tm_file
7183 list in all three of config.h, hconfig.h, tconfig.h, after the
7184 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
7185 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
7186 * configure: Regenerate.
7187 * Makefile.in (clean): Don't delete tm.h.
7189 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
7190 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
7191 those are not defined, set SEC and FEC to 0 and 1.
7192 * gcc.texi: Update to match.
7194 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
7195 * config/fp-bit.c, config/m68k/aux-crt2.asm,
7196 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
7197 Include tconfig.h, not tm.h.
7199 * config/xm-lynx.h, config/xm-std32.h,
7200 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7201 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
7202 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
7203 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7204 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7205 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7206 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
7207 config/i386/xm-i386.h, config/i860/xm-i860.h,
7208 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7209 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
7210 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7211 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7212 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7213 config/pa/xm-linux.h, config/pa/xm-pa.h,
7214 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7215 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
7216 config/pj/xm-pj.h, config/romp/xm-romp.h,
7217 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7218 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7219 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7220 config/v850/xm-v850.h, config/vax/xm-vax.h,
7221 config/we32k/xm-we32k.h:
7223 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
7225 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
7226 config/i370/xm-oe.h: Don't include tm.h. Don't define
7228 * config/vax/xm-vms.h: Don't include tm.h.
7230 * config/xm-lynx.h, config/avr/xm-avr.h,
7231 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
7232 Delete; made empty by above changes.
7233 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7234 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
7235 Don't include config/xm-lynx.h or tm.h.
7237 * config/xm-gnu.h: Don't include fcntl.h.
7238 * config/sparc/xm-lynx.h: Don't include sys/types.h and
7240 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
7242 2001-03-02 Richard Henderson <rth@redhat.com>
7244 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
7245 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
7247 2001-03-02 Richard Henderson <rth@redhat.com>
7249 * Makefile.in (OBJS): Add dwarf2asm.o.
7250 * dwarf2asm.c, dwarf2asm.h: New files.
7251 * dwarf2out.c (*): Use them.
7252 (size_of_uleb128, size_of_sleb128): Remove.
7253 (output_uleb128, output_sleb128): Remove.
7254 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
7255 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
7256 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
7257 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
7258 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
7259 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
7260 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
7261 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
7262 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
7263 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7264 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
7265 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
7266 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
7267 (dwarf2out_frame_debug): Remove unused variables.
7268 (output_loc_operands): Don't abort on 8 byte constants if
7269 host integers are wide enough.
7270 (output_symbolic_ref): Remove.
7271 (size_of_die): Don't assume 4 byte host integers.
7272 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
7274 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
7275 something stupid with HOST_WIDE_INT to long truncation.
7276 [CONST_DOUBLE]: Likewise.
7278 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
7279 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7280 * config/arm/unknown-elf.h: Likewise.
7281 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
7282 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
7283 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
7284 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
7285 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
7286 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
7287 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
7288 (ASM_OUTPUT_DWARF_OFFSET): Remove.
7289 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
7290 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
7291 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
7292 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
7294 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7296 * cselib.c (hash_rtx): Cast enums to unsigned int.
7298 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7300 * print-rtl.c (print_rtx): Cast enums to int for comparison.
7301 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
7303 * c-format.c (C_STD_VER): Cast to int for comparisons.
7304 (check_function_format): Cast various enums to int for &.
7305 (maybe_read_dollar_number): Likewise.
7306 (check_format_info): Likewise.
7307 (check_format_info_main): Likewise.
7308 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
7309 (safe_from_p): Likewise.
7310 * varasm.c (const_hash): Cast enum to int for %.
7311 * emit-rtl.c (init_emit_once): Use int loop variable to work around
7312 pcc enum problems with < and ++ operators.
7313 * regclass.c (init_reg_sets_1): Cast enums for comparison.
7314 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
7315 (regclass_init): Change enum class to int to iterate over reg_classes.
7316 * genrecog.c (merge_trees): Cast enums for comparison.
7317 * rtl.h (GET_CODE): Cast to enum rtx_code.
7318 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
7319 (GET_MODE): Cast to enum machine_mode.
7320 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
7321 (GET_NOTE_INSN_NAME): Cast enum to int.
7322 * tree.h (TREE_CODE): Cast to enum tree_code.
7323 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
7324 * timevar.c (timevar_print): Change loop variable id from enum to
7326 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
7327 * config/i386/i386.md: Use PUT_MODE for mode assignment.
7328 * toplev.c (compile_file): Cast enum DFI to int.
7329 (decode_d_option): Likewise.
7331 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
7333 * cppinit.c (append_include_chain): Mark "after" include file name list
7334 as a system directory.
7335 * cpp.texi: Document new behavior.
7337 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
7339 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
7341 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
7343 * cppfiles.c (struct include_file): Update.
7344 (stack_include_file): Use search_from.
7345 (cpp_included, find_include_file): Update.
7346 (cpp_execute_include): Update. ptr->name may not be
7347 null terminated. Use the new search_from member variable
7349 (_cpp_compare_file_date): Similarly.
7350 (search_from): New function, similiar to actual_directory.
7351 (actual_directory): Delete.
7352 (remap_filename): Update. loc->name may not be null terminated.
7353 (struct file_name_list): Rename search_path. Update.
7354 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
7355 search_from and dir.
7356 (struct cpp_reader): Remove actual_dirs.
7357 * cppinit.c (struct cpp_pending): Update for renamed objects.
7358 (append_include_chain, remove_dup_dir, remove_dup_dirs,
7359 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
7360 * cpplib.h (struct cpp_options): Similarly.
7362 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7364 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
7365 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
7366 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7367 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7368 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7369 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7370 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7371 config/i370/xm-linux.h, config/i370/xm-mvs.h,
7372 config/i370/xm-oe.h, config/i386/xm-aix.h,
7373 config/i386/xm-i386.h, config/i386/xm-osf.h,
7374 config/i860/xm-i860.h, config/i960/xm-i960.h,
7375 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7376 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
7377 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
7378 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
7379 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
7380 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7381 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7382 config/pj/xm-pj.h, config/romp/xm-romp.h,
7383 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7384 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7385 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7386 config/v850/xm-v850.h, config/vax/xm-vax.h,
7387 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
7388 Do not define TRUE or FALSE.
7390 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
7391 empty by above change.
7392 * config.gcc: Remove references to these files.
7394 * configure.in: Detect stdbool.h.
7395 * configure, config.in: Regenerate.
7396 * system.h: Include stddef.h here if available.
7397 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
7398 Then set up a sensible boolean type at the very end.
7400 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
7401 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
7403 * hash.h: Delete 'boolean' typedef and related #undefs.
7405 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
7406 all uses of 'boolean' with 'bool'.
7408 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7410 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
7411 * cppexp.c (lex): Cast enums for comparison.
7412 * cppinit.c (parse_option): Cast enum for comparison.
7413 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
7414 (cpp_output_token): Likewise.
7415 (cpp_can_paste): Cast enums for comparsion and plus/minus.
7416 (cpp_avoid_paste): Cast enums for minus and comparison.
7418 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7420 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
7421 field to all array elements.
7423 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7425 * cpphash.h (struct cpp_reader): Add print_version field.
7426 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
7427 just set print_version and other flags as appropriate.
7428 (cpp_post_options): Print version here if print_version is set.
7430 * toplev.c (exit_after_options): New flag.
7431 (independent_decode_option): Don't exit here; just set
7433 (main): Exit after calling lang_hooks.post_options if
7434 exit_after_options is true.
7436 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
7437 (merge_include_chains): Adjust comment to match code.
7439 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7441 * stringpool.c (set_identifier): New function.
7442 * tree.h: Prototype it.
7444 * c-parse.in: Kill D_YES. If compiled for objc, call
7445 save_and_forget_protocol_qualifiers from init_reswords.
7446 * objc/objc-act.c (remember_protocol_qualifiers,
7447 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
7448 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
7450 (save_and_forget_protocol_qualifiers): New function.
7451 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
7453 2001-03-01 Diego Novillo <dnovillo@redhat.com>
7455 * c-semantics.c (prune_unused_decls): Return error_mark_node
7456 instead of (tree) 1 to stop traversing the tree chain.
7458 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7460 Fix a problem introduced by Kenner's Feb 18 change.
7461 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
7462 flag_cse_skip_blocks only temporarily, not for ever.
7464 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
7466 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
7467 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
7469 * pa.c (emit_move_sequence): Verify operand0 is a hard register
7470 before determining its register class.
7472 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7474 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
7475 from reg 4 if current_function_calls_setjmp.
7476 (gen_nop_type): New function.
7477 (ia64_emit_nops): New function.
7478 (ia64_reorg): Call it.
7479 (ia64_sched_reorder): Move code that rotates bundles up a bit.
7481 * reload1.c (eliminate_regs_in_insn): Restrict the special case
7482 code not to try to optimize adds with anything but a REG destination.
7484 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
7485 (INSN_PRIORITY_KNOWN): New accessor macro.
7486 * haifa-sched.c (priority): Use it instead of testing priority against
7489 2001-02-28 DJ Delorie <dj@redhat.com>
7491 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
7492 since that doesn't work the way gcc wants on a generic m68k.
7494 2001-02-28 Richard Henderson <rth@redhat.com>
7496 * caller-save.c (save_call_clobbered_regs): Fix typo in
7497 comparison last change.
7499 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
7501 * i386.c (pentium4_cost): New.
7502 (m_PENT4): New macro.
7503 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
7504 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
7505 x86_integer_DFmode_moves, x86_partial_reg_dependency,
7506 x86_memory_mismatch_stall): Add Pentium4
7507 (x86_use_q_reg, x86_use_any_reg): Kill.
7508 (override_options): Add pentium4.
7509 (incdec_operand): Return 0 for pentium4.
7510 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
7511 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
7512 (TARGET_PENTIUM4): Define.
7513 (enum processor_type): Add PROCESSOR_PENTIUM4.
7514 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
7515 * i386.md (attribute "cpu"): Add pentium4.
7516 * invoke.texi (march): Add pentium4.
7518 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
7520 * i386.md (sse_mov?fcc*): New patterns and splitters.
7521 * i386.c (ix86_expand_movcc): Work post-reload; recognize
7522 the SSE based conditional moves.
7524 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
7526 * i386.md (attribute mode): Add "TI".
7527 (movsf_1): Add pxor support; remove constant propagation splitter.
7528 (movdf_integer): Likewise.
7529 (movdf_nointeger): Likewise.
7530 (movxf constant prop splitter): Handle all modes; update for SSE.
7531 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
7532 * i386.c (standard_80387_constant_p): Rewrite.
7533 (standard_sse_constant_p): New.
7534 * i386-protos.h (standard_sse_constant_p): New.
7536 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
7538 * i386.md (sse_setccsf, sse_setccdf): New.
7539 (sse_cmp* patterns): Use '%D' instead of outputtting condition
7541 * i386.c (sse_comparison_operator): Accept the supported unordered
7542 comparses; be ready for fast_math.
7543 (print_operand): Support 'D'.
7545 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
7547 * jump.c (reversed_comparison_code): Kill.
7549 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
7551 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
7554 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
7556 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
7557 add missing '%' in constraints.
7559 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
7561 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
7562 for HOST_BITS_PER_WIDE_INT == 32 too.
7564 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
7566 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
7568 (insert_save, insert_restore): New parameter save_mode.
7569 (init_caller_save): Update initialization of reg_save_code
7570 and reg_restore_code.
7571 (save_call_clobbered_regs): Compute save_modes and update calls to
7572 reg_save_code and reg_restore_code.
7573 (insert_restore): Unsignetize numbers; use save_modes to choose mode
7574 of spill; update use of reg_restore_code.
7575 (insert_save): Likewise.
7576 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7577 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7578 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
7580 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7582 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
7583 noce_try_store_flag_inc, noce_try_store_flag_mask,
7584 noce_try_cmove_arith):
7585 Use reversed_comparison_code instead of reverse_comparison and
7586 can_reverse_comparison_p.
7588 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
7590 * jump.c (reversed_comparison_code_parts): Allow reversal of
7591 unordered compares in -ffast-math mode; reverse ordered compares
7592 for FP even w/o -ffast-math.
7594 2001-02-27 Richard Henderson <rth@redhat.com>
7596 * print-rtl.c (print_rtx) [i]: Don't print field five on
7597 NOTEs other than NOTE_INSN_DELETED_LABEL.
7599 2001-02-27 Zack Weinberg <zackw@stanford.edu>
7601 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
7602 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
7604 2001-02-27 Diego Novillo <dnovillo@redhat.com>
7606 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
7607 even if walk_subtrees is 0.
7608 * c-semantics.c (prune_unused_decls): Return a non-null value to
7609 stop traversing the tree chain.
7611 2001-02-27 DJ Delorie <dj@redhat.com>
7613 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
7614 register, *then* define it as the new CFA.
7616 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
7618 * pa.c (override_options): Promote -fpic to -fPIC.
7619 (legitimize_pic_address): Simplify due to removal of
7620 small PIC as a code generation option.
7621 (secondary_reload_class): Similarly.
7622 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
7623 (PRINT_OPERAND_ADDRESS): Similarly.
7624 * pa.md (various patterns): Similarly.
7625 (small pic lo_sum pattern): Remove.
7627 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
7630 * md.texi (min, max): Document
7632 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
7634 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
7635 TARGET_PARTIAL_REG_DEPENDENCY.
7636 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
7638 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
7640 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
7642 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
7644 * mips.c (mips_make_temp_file): Fix thinko in last change.
7646 2001-02-26 Jason Eckhardt <jle@redhat.com>
7648 * combine.c (known_cond): Do not reverse the condition when
7649 SMAX/UMAX is being considered and the condition is for equality
7652 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
7654 2001-02-26 Philip Blundell <philb@gnu.org>
7656 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
7658 * config/arm/linux-elf.h: Remove historical relics related to
7659 above configurations.
7660 * config/arm/linux-oldld.h: Delete.
7661 * config/arm/linux-elf26.h: Delete.
7663 2001-02-26 Jason Merrill <jason@redhat.com>
7665 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
7667 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
7668 recognize a tentative definition. Lose obsolete code.
7670 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
7671 variables unless necessary, either.
7673 2001-02-25 Richard Henderson <rth@redhat.com>
7675 * ifcvt.c (struct noce_if_info): Add test_bb.
7676 (noce_get_alt_condition): New.
7677 (noce_try_minmax, noce_try_abs): New.
7678 (noce_operand_ok): New.
7679 (noce_process_if_block): Use them.
7680 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
7682 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
7684 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
7687 2001-02-25 Zack Weinberg <zackw@stanford.edu>
7689 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
7690 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
7692 (mips_asm_file_end): Free temp_filename here.
7694 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7696 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
7697 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
7699 * config/i386/i386.md (movstrsi): Handle FAIL case.
7701 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
7703 * cppinit.c (builtin_array): Update.
7704 (init_builtins): Flag builtins to warn if redefined or
7705 undefined. Define __GXX_WEAK as a normal macro.
7706 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
7707 * cpplib.h (NODE_WARN): New flag.
7708 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
7709 Handle __STDC__ as a builtin only on Solaris.
7710 (warn_of_redefinition): Renamed from check_macro_definition.
7711 Reverse sense of test. Always warn if NODE_WARN.
7712 (_cpp_create_definition): Use warn_of_redefinition. Flag
7713 any macro beginning with "__STDC_" to require a mandatory
7714 warning if redefined or undefined.
7716 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7718 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
7719 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
7720 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
7721 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
7722 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
7723 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
7724 Don't define any of:
7725 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
7726 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
7727 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
7728 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
7729 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
7731 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
7732 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
7735 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
7736 Delete now-empty file.
7738 * alpha/vms.h: Define NEED_ATEXIT here...
7739 * alpha/xm-vms.h: ...not here.
7741 * i386/cygwin.h: Don't define PARAMS.
7742 * mips/mips.c: Don't prototype mktemp. Don't define
7743 P_tmpdir. Use make_temp_file to create temporary files.
7744 Don't be clever and delete temporary files early.
7745 * config.gcc: Drop references to deleted files. Don't define
7747 * gcc.texi: Don't mention USE_PROTOTYPES.
7749 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7751 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
7752 (ix86_set_move_mem_attrs_1): Likewise.
7753 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
7754 * config/i386/i386.md (movstrsi): Call it.
7756 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7758 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
7759 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
7760 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
7761 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
7763 (i750a-*-*): Error here if hosting on i750a.
7764 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
7766 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
7767 Remove (empty modulo comments).
7769 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
7770 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
7771 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
7772 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
7773 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
7774 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
7776 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
7777 Remove reference to winnt.h in comment.
7778 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
7780 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7782 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
7783 used to set another biv.
7785 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7787 * tree.h (BLOCK_DEAD): New macro.
7788 (struct tree_block): New flag, dead_flag.
7789 * print-tree.c (print_node, case 'b'): Print missing fields.
7790 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
7791 * function.c (identify_blocks): Enable test for misplaced notes.
7792 (all_blocks): Skip BLOCK_DEAD blocks.
7793 * integrate.c (integrate_decl_tree): Likewise.
7795 * errors.c (internal_error, trim_filename): New functions.
7796 (fancy_abort): Call internal_error.
7797 * errors.h (internal_error, trim_filename): New declarations.
7799 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
7801 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
7803 (EXTRA_CONSTRAINT): Formatting changes.
7805 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7807 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
7809 2001-02-23 Per Bothner <per@bothner.com>
7811 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
7812 so they can be called from java/jvspec.c.
7813 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
7815 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
7817 * i386.c (ix86_frame): New structure.
7818 (ix86_compute_frame_size): Kill.
7819 (ix86_compute_frame_layout): New.
7820 (ix86_save_reg): New.
7821 (ix86_can_use_return_insn_p): Use frame layout stuff.
7822 (ix86_expand_prologue): Likewise.
7823 (ix86_expand_epilogue): Likewise.
7824 (ix86_initial_elimination_offset): Likewise.
7825 (ix86_nsaved_regs): Use ix86_save_reg.
7826 (ix86_emit_save_regs): Likewise.
7828 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
7830 * flow.c (find_sub_basic_blocks): New function.
7831 (split_block): Be ready for basic block introduced by CODE_LABEL.
7832 (commit_one_edge_insertion): Call find_sub_basic_block.
7834 * flow.c (make_edges): Add edge from entry for blocks starting with
7835 label having ALTERNATE_NAME
7837 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
7839 * function.c (epilogue_done): Be ready for first basic block not
7840 containing PROLOGUE_END note.
7841 (reposition_prologue_and_epilogue_notes): Avoid placing
7842 PROLOGUE_END note between BASIC_BLOCK.
7844 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
7846 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
7848 2001-02-21 DJ Delorie <dj@redhat.com>
7850 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
7851 check for current_function_has_nonlocal_goto from 1999-11-12.
7853 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7855 * diagnostic.c (trim_filename): No longer static.
7856 * toplev.h (trim_filename): Declare.
7857 * rtl.c (rtl_check_failed_bounds): Call internal_error.
7858 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
7859 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
7860 (rtvec_check_failed_bounds): Likewise.
7861 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
7863 * convert.c (convert_to_integer): Don't do unsigned unless result or
7864 both inputs are unsigned.
7866 * fold-const.c (fold_convert): Don't call size_int_type_wide if
7869 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
7871 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
7873 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
7875 * Makefile.in (resource.o): Add params.h dependence.
7876 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
7877 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
7878 * resource.c: Add dependence on params.h.
7879 (current_live_regs): Fix explanatory comment.
7880 (find_basic_block): Add new parameter to permit limiting search
7882 (mark_target_live_regs): Add new argument to find_basic_block call.
7883 (incr_ticks_for_insn): Likewise.
7885 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7887 * diagnostic.c (output_to_stream): Rename to
7888 output_buffer_to_stream. Loses the stream parameter.
7889 (init_output_buffer): Set diagnosic_buffer's stream.
7890 (flush_diagnostic_buffer): Adjust.
7891 (default_print_error_function): Likewise.
7892 (finish_diagnostic): Likewise.
7893 (verbatim): Likewise.
7895 * diagnostic.h (struct output_buffer): Add `stream' field.
7896 (output_buffer_attached_stream): New macro.
7898 2001-02-23 Jakub Jelinek <jakub@redhat.com>
7900 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
7901 check if either operand is divisible by C.
7902 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
7903 If type is signed, consider negative numbers as well.
7905 2001-02-22 Richard Henderson <rth@redhat.com>
7907 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
7908 reach .text instead of gp-relative relocs.
7909 * config/ia64/crtend.asm (.init): Likewise.
7911 2001-02-22 Andreas Jaeger <aj@suse.de>
7913 * extend.texi (C++ Attributes): Fix typo.
7915 2001-02-21 David Mosberger <davidm@hpl.hp.com>
7917 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
7918 functions, drop current_function_args_info.words test.
7919 (ia64_compute_frame_size): Mark syscall_linkage functions as
7920 using eight input registers.
7922 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
7923 Bruce Korb <bkorb@gnu.org>
7925 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
7926 * fixinc/README: Document how to convert sed substitutions
7927 to format style c_fix-es.
7928 * fixinc/fixincl.x: regen
7930 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
7932 * gcc.c: Add comment explaining how to add a command-line option.
7933 Add title to specs language comment.
7935 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7937 * gcc.c (cc1_options): Add "-param".
7938 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
7939 (option_map): Likewise.
7940 * toplev.c (display_help): Add entry for "--param".
7941 (independent_decode_option): Fix typographical error.
7943 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
7944 Bernd Schmidt <bernds@redhat.com>
7945 Jan Hubicka <jh@suse.cz>
7947 * i386.c (function_arg_advance): Pass SSE arguments in registers.
7948 (function_arg): Likewise.
7950 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
7952 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
7954 2001-02-21 Kazu Hirata <kazu@hxi.com>
7956 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7960 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
7962 * flow.c (init_propagate_block_info): Canon address and use single_set
7963 for killing dead memory stores.
7965 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7967 * Makefile.in (reorg.o): Add params.h dependence.
7968 * params.def: Fix typographical error in comment.
7969 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7970 * params.h: Modify introductory comment.
7971 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7972 * reorg.c: Add dependence on params.h.
7973 (redundant_insn): Add parameterized throttle for search.
7974 (fill_simple_delay_slots): Add a comment explaining a variable.
7975 Move conditional out of loop, simplifying code.
7976 (fill_eager_delay_slots): Fix typographical error in comment.
7978 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
7980 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
7982 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
7983 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
7985 2001-02-21 Jason Merrill <jason@redhat.com>
7987 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
7988 (struct tree_decl): Add uninlinable bitfield.
7989 * c-decl.c (duplicate_decls): Set it.
7990 * integrate.c (function_cannot_inline_p): Check it.
7992 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
7993 DW_AT_MIPS_linkage_name to abstract methods.
7994 (dwarf2out_abstract_function): Emit class context before calling
7995 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
7996 (gen_subprogram_die): Remove obsolete code.
7997 (gen_member_die): Don't include clones in the member list.
7998 (gen_decl_die): Emit abstract info for clone origin.
7999 * dwarfout.c (output_type): Don't include clones in the member list.
8000 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
8001 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
8002 DECL_ABSTRACT on a function that already has it set.
8004 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
8005 (get_subprogram_die): Pass it in.
8007 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
8009 * flow.c (mark_set_1): Make not_dead unsigned long. For
8010 non-pseudos, use it as a bitmask of the hard regs that
8013 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
8015 * cppfiles.c: Update comments.
8016 (_cpp_read_file): Don't check for NULL filenames any more.
8017 * cppinit.c (cpp_start_read): Don't do canonicalization of
8018 in_fname and out_fname. Use the passed file name exclusively.
8019 (_cpp_handle_options): Don't treat "-" as a command line option,
8020 but as a normal filename.
8021 (_cpp_post_options): Canonicalize in_fname and out_fname.
8022 * cppmain.c (printer_init): Don't check out_fname for NULL.
8023 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
8024 (init_c_lex): Update, and use "" to represent stdin to CPP.
8027 2001-02-20 Will Cohen <wcohen@redhat.com>
8029 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
8030 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
8031 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
8034 2001-02-20 Stan Shebs <shebs@apple.com>
8036 * config/rs6000/rs6000.c (output_cbranch): Output branches
8037 on separate lines instead of using ';' to separate.
8039 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
8041 * cppinit.c (set_lang): Move builtin handling to...
8042 (init_builtins): ...here.
8043 (_cpp_create_reader): Move call to set_lang.
8045 2001-02-20 Mark Mitchell <mark@codesourcery.com>
8047 * stmt.c (expand_return): If an attempt is made to return the
8048 error_mar_node, treat the return like a return without a value.
8050 2001-02-19 Zack Weinberg <zackw@stanford.edu>
8052 * sibcall.c (skip_copy_to_return_value): Call
8053 identify_call_return_value here, and return orig_insn if it
8054 returns zero. Hardret and softret arguments now unnecessary.
8055 (call_ends_block_p): Don't call identify_call_return_value here.
8057 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
8059 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
8060 * ggc.h (ggc_mark_if_gcable): Delete prototype.
8062 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
8064 * pa.c (move_operand): Accept code to load the address of a
8065 symbol out of the DLT as a valid move operand.
8066 (print_operand, case 'A'): New to handle generating a DLT
8067 reference for a LO_SUM expression.
8068 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
8069 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
8071 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
8073 * README, cpp.texi, gcc.texi, version.c: Update version number to
8075 * cpp.1, gcov.1, gcc.1: Regenerate.
8077 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
8079 * cppfiles.c (stack_include_file): Generate dependencies
8080 here, and manage include_count here too.
8081 (PRINT_THIS_DEP): Delete.
8082 (_cpp_execute_include): Do not generate dependencies here,
8083 apart from the case of a missing header. Do not manage
8085 (_cpp_read_file): Leave dependency generation to
8088 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
8090 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
8091 target_cpu_default. Remove dead assignment to
8094 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
8096 * regclass.c (contains_reg_of_mode): Make global.
8097 (init_reg_sets): Remove contains_reg_of_mode; take into account
8098 CLASS_MAX_NREGS when looking for the proper mode.
8099 (dump_regclass): Dump only classes considered for the pseudo.
8100 (regclass): Use contains_reg_of_mode.
8102 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
8104 * gcc.c (do_spec_1): 'n' for printing notices.
8105 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
8107 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
8109 * reg-stack.c (next_flags_user): Use current_block->end
8110 (swap_rtx_condition): Look for next user if flags don't die;
8111 give up on CALL_INSNs; use current_block->end.
8113 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8115 * sibcall.c (call_ends_block_p): New function.
8116 (optimize_sibling_and_tail_recursive_call): Use it.
8118 2001-02-18 Kazu Hirata <kazu@hxi.com>
8120 * config/h8300/h8300.md: Update copyright.
8121 (andsi3): Do not output an extra newline character.
8123 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8125 * toplev.c (note_deferral_of_defined_inlined_function): Argument
8126 FNDECL may be unused.
8128 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
8129 follow jumps after first run.
8130 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
8131 it doesn't change any jumps.
8133 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
8135 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
8136 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
8137 (mostlyclean): Corresponding changes.
8138 * rtlanal.c (hard-reg-set.h): Include.
8139 (rtx_unstable_p): Do not treat the argument pointer specially
8140 if it is not a fixed register.
8141 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
8143 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8145 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
8146 against last real insn in basic block.
8147 Rework to avoid gotos.
8149 * Makefile.in (gcse.o): Now includes ggc.h.
8150 * gcse.c: Include ggc.h.
8151 (want_to_gcse_p): Verify expression can be in SET as valid insn.
8152 (try_replace_reg): Remove warning of uninitialize variable.
8153 (process_insert_insn): Call invalid_insn_p to validate insn.
8154 * recog.c (insn_invalid_p): Now global.
8155 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
8156 * recog.h (insn_invalid_p): New declaration.
8158 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
8160 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
8161 assignments from FP constants since 'Y' output code can't handle it.
8162 (eligible_for_sibcall_delay): Likewise.
8164 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
8165 Call fancy_abort directly, passing args.
8166 (print_rtl_and_abort): Now a macro, like fancy_abort.
8168 * final.c (output_operand_lossage): Use internal_error, not error.
8170 2001-02-18 Shane Nay <shane@agendacomputing.com>
8172 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
8173 structure shift insns.
8175 2001-02-18 Mark Mitchell <mark@codesourcery.com>
8177 * invoke.texi (-fsquangle): Remove documentation.
8178 (-fname-mangling-version): Likewise.
8180 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
8182 * optabs.c (expand_abs): Remove reference to
8183 HAVE_contitional_arithmetic.
8184 * combine.c (simplify_set): Likewise.
8186 2001-02-18 Richard Henderson <rth@redhat.com>
8188 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
8191 2001-02-18 Richard Henderson <rth@redhat.com>
8193 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
8195 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
8197 * reload1.c (reload_cse_simplify_set): Fix typo.
8199 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8201 * diagnostic.c (_fatal_insn): Decrement errorcount.
8203 * invoke.texi (-I): Add note avoiding use for system header files.
8205 * rtl.h (add_clobbers): Remove duplicate declaration.
8206 * recog.h (added_clobbers_hard_reg_p): New declaration.
8207 * genemit.c (struct clobber_pat): New field has_hard_reg.
8208 (gen_insn): Record if added clobbers clobber hard reg.
8209 (gen_split): Avoid unused warning if number of operands is 0.
8210 (output_added_clobbers_hard_reg_p): New function.
8213 2001-02-18 Alan Modra <alan@linuxcare.com.au>
8215 * pa.c (hppa_expand_prologue): Simplify code storing return
8216 pointer. For large (>=8k) frames with a post_store, adjust stack
8217 pointer by 8k-64 first rather than by 64. When testing with
8218 VAL_14_BITS_P, always use the actual value rather than the value
8219 negated. Add blockage to prevent scheduling of spills before
8220 stack frame has been created.
8221 (hppa_expand_epilogue): Simplify code loading return pointer.
8222 Allow a slightly larger range for merge_sp_adjust_with_load case.
8223 When testing with VAL_14_BITS_P, always use the actual value.
8225 * pa.c (pa_adjust_insn_length): Check that block move
8226 pattern is a set before looking at operands.
8228 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8230 * fold-const.c (fold_binary_op_with_conditional_arg): New
8231 function, split out from ...
8233 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
8234 conditional arms that throw exceptions.
8236 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
8239 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8241 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
8242 define HAVE_DECL_* to 1 to mask potential backup declarations.
8243 * configure: Regenerated.
8245 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8247 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
8249 2001-02-17 Richard Henderson <rth@redhat.com>
8251 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
8252 when replacing a memory load with a register.
8254 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8255 Jan Hubicka <jh@suse.cz>
8257 * recog.c (validate_replace_src_1): New.
8258 (validate_replace_src_data): Likewise.
8259 (validate_replace_src): Use note_uses.
8260 * rtl.h (note_uses): Declare.
8261 * rtlanal.c (note_uses): New.
8263 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
8265 * reg-stack.c (stack_def): Make field reg unsigned.
8266 (remove_regno_note): Unsignetize parameter.
8268 2001-02-16 Jes Sorensen <jes@linuxcare.com>
8270 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
8271 shladd_operand() call.
8273 2001-02-16 Bruce Korb <bkorb@gnu.org>
8274 Rodney Brown <RodneyBrown@mynd.com>
8276 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
8277 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
8278 machine restrictions
8279 * fixinc/fixincl.x: regen
8281 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8283 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
8285 (hash_scan_insn): Clean up calls to hash_scan_set.
8286 (compute_kill_rd): REGNO now unsigned.
8287 (try_replace_reg): Rework to use simplify_replace_rtx.
8288 (cprop_jump, cprop_cc0_jump): Likewise.
8289 (cprop_insn): Call find_reg_equal_equiv_note.
8290 Reflect changes to cprop_jump and cprop_cc0_jump.
8292 * recog.c (validate_replace_src): Replace in operands of
8293 ZERO_EXTRACT in SET_DEST.
8295 * cse.c (new_label_ref): New variable.
8296 (insert): Set it instead of recorded_label_ref.
8297 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
8298 CODE_LABEL for this function, and not already in REG_LABEL note.
8300 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
8302 * resource.c (mark_referenced_resources): Fix typo in introductory
8304 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
8307 2001-02-16 Jason Merrill <jason@redhat.com>
8309 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
8311 (gen_subprogram_die): Don't abort on seeing a second definition if
8312 the previous one was abstract. Don't replace an abstract instance
8313 in the lookup table.
8315 * dwarf2out.c (dwarf2out_abstract_function): Rename from
8316 gen_abstract_function.
8317 * dwarf2out.h: Declare it.
8318 * toplev.c (note_outlining_of_inline_function): New fn.
8319 * toplev.h: Declare it.
8320 * integrate.c (output_inline_function): Call it.
8321 * c-decl.c (duplicate_decls): Call it when redefining an extern
8322 inline. Don't inline the new defn.
8324 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
8326 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8328 * .gdbinit: Rename to gdbinit.in.
8329 * gdbinit.in: New file,
8330 * configure.in: Generate .gdbinit from gdbinit.in.
8331 * configure: Regenerated.
8332 * Makefile.in (distclean): Always remove .gdbinit.
8334 2001-02-16 Jakub Jelinek <jakub@redhat.com>
8336 * objc/objc-act.c (start_class): Register implemented_classes with
8339 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
8341 * cppfiles.c (_cpp_make_system_header): Generate a file
8344 2001-02-15 Jim Meyering <meyering@lucent.com>
8346 * Makefile.in (install-common): Don't depend on installdirs here.
8347 Instead, make each of the lang.install-common targets (e.g.,
8348 c++.install-common in cp/Make-lang.in) depend on it.
8349 (install-driver): Depend on installdirs.
8351 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8353 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
8355 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
8358 2001-02-15 Mark Mitchell <mark@codesourcery.com>
8360 * invoke.texi (--param): Document.
8362 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
8364 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
8366 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
8368 * i386.md (extendsfdf2_2): Fix constraints.
8370 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
8372 * i386.md (fop_df_3 splitter): Fix operand number.
8374 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
8376 * invoke.texi (-mreg-alloc): Nuke.
8377 * i386.c (ix86_reg_alloc_order, regs_allocated,
8378 order_regs_for_local_alloc): Nuke.
8379 (override_options): Kill reg_alloc code.
8380 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
8381 (REG_ALLOC_ORDER): SSE goes before I387.
8382 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
8383 (ix86_reg_alloc_order): Likewise.
8384 * i386-protos.h (ix86_reg_alloc_order): Kill.
8386 2001-02-14 Richard Henderson <rth@redhat.com>
8388 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
8390 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
8392 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
8394 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
8396 * i386-protos.h (ix86_memory_move_cost): Move offline.
8397 * i386.c (ix86_register_move_cost): Compute properly cost of
8398 SSE, MMX and i387 instructions.
8399 (*_cost): Add costs of SSE/MMX moves.
8400 (ix86_memory_move_cost): Move offline from ....; Likewise.
8401 * i386.h (MEMORY_MOVE_COST): .... here;
8402 (struct processor costs): Add new fields to represent costs
8405 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
8407 * regclass.c (init_reg_sets_1): Reinstall the optimization of
8408 move_cost together with Matt Kraai's fix.
8410 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8412 * Makefile.in (OBJS): Add params.o.
8414 2001-02-14 Richard Henderson <rth@redhat.com>
8415 DJ Delorie <dj@redhat.com>
8417 * jump.c (jump_optimize_1): When we delete a conditional jump
8418 preceeding a non-conditional jump to effectively the same place,
8419 make sure that the combined jump skips any clobber insns between
8422 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8424 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
8426 2001-02-14 Mark Mitchell <mark@codesourcery.com>
8428 * Makefile.in (toplev.o): Depend on params.h.
8429 (intergate.o): Likewise.
8430 (params.o): New target.
8431 * flags.h (inline_max_insns): Remove.
8432 * integrate.c: Include params.h.
8433 Use MAX_INLINE_INSNS instead of inline_max_insns.
8434 * params.c: New file.
8435 * params.h: Likewise.
8436 * params.def: Likewise.
8437 * toplev.c: Include params.h.
8438 (lang_independent_params): New variable.
8439 (decode_f_option): Use the param machinery instead of setting
8441 (independent_decode_option): Handle "--param name=value".
8442 (main): Register language-independent parameters.
8444 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
8446 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
8448 2001-02-14 Richard Henderson <rth@redhat.com>
8450 * regclass.c (init_reg_sets_1): Revert last two changes.
8452 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8454 * stor-layout.c (is_pending_size, put_pending_size): New functions.
8455 (variable_size): Call put_pending_size.
8456 * tree.h (is_pending_size, put_pending_size): Add prototypes.
8457 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
8458 sizes list, put newly created SAVE_EXPR there as well.
8460 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8462 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
8463 (errata_find_address_regs): load_group has only 2 entries.
8464 (errata_emit_nops): Likewise. shladd is not problematic.
8465 Clear last_group if nop was emitted.
8466 (fixup_errata): load_group has only 2 entries.
8469 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
8471 * c-lex.c (lex_number): Only warn traditionally for U suffix
8472 outside system macros.
8473 * cppexp.c (parse_number): Similarly.
8474 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
8475 * cppmacro.c (struct cpp_macro): New member node.
8476 (parse_args): Only warn about missing rest args if not
8478 (funlike_invocation_p): Similarly for uninvoked funlike macros.
8479 (cpp_sys_objmacro_p): New.
8480 (_cpp_create_definition): Store the node with the macro defn.
8481 Remember if the macro is defined in a system header.
8483 2001-02-13 DJ Delorie <dj@redhat.com>
8485 * configure.in (check_languages): determine languages to check
8486 * Makefile.in (check-c++): alias for check-g++
8487 (check-f77): alias for check-g77
8488 (CHECK_TARGETS): depend on configured languages
8490 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
8492 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8493 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8494 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8495 (sqrtextendsfdf2): Disable for SSE2.
8497 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8499 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8500 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8501 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8502 (sqrtextendsfdf2): Disable for SSE2.
8504 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
8506 * i386.md (movsfcc_1): Support integer cmove instruction.
8507 (movdfcc_1): Likewise; new splitter.
8509 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
8511 * i386.c (output_fp_compare): Support SSE.
8512 (prepare_fp_compare_args): SSE comparisons always support memory.
8513 * i386.h (TARGET_CMOVE): SSE imply cmove.
8514 * i386.md (cmp?f2): Enable for SSE too.
8515 (cmpfp_i*): Support SSE.
8517 (cmpfp_i_sse_only): New.
8518 (s*, b* fp expanters): Enable for SSE too.
8519 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
8522 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
8524 * regclass.c (init_reg_sets_1): Silence warning.
8526 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
8528 * i386.md (sqrt?f2): Change to expander.
8529 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
8531 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8533 * rtlanal.c (find_reg_equal_equiv_note): New function.
8534 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
8535 (simplify_gen_relational, simplify_replace_rtx): Likewise.
8536 * rtl.h: Add declarations for above functions.
8538 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
8540 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
8542 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
8543 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
8544 * flow.c (mark_regs_live_at_end): Likewise.
8545 (calculate_global_regs_live): Likewise.
8546 * gcse.c (compute_hash_table): Likewise.
8547 (compute_kill_rd): Likewise.
8548 * resource.c (mark_target_live_regs): Likewise.
8549 * rtl.h (INVALID_REGNUM): New macro.
8551 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
8553 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
8555 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
8557 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
8560 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
8562 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
8564 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
8565 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
8566 (fop_sf_1_sse, fop_df_1_sse): New patterns
8567 (fop_*): Disable float_extend and float patterns for SSE compilation.
8568 * i386.c (output_387_binary_op): Support SSE.
8570 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
8572 * i386.md (dummy_extendsfdf2): Support SSE2
8573 (extendsfdf2): Enable if 80387 or SSE2.
8574 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
8575 and no MIX_I387_SSE2
8576 (extendsfdf2_1_sse_only): New pattern.
8577 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
8579 (truncdfsf2_1): Support SSE.
8580 (truncdfsf2_2): Support SSE.
8581 (truncdfsf2_2_1_sse): New pattern.
8582 (fixtruncsfsi2): Always use SSE if available.
8583 (fix_truncsfsi_sse): New pattern.
8584 (fix_truncdfsi_sse): New pattern.
8585 (floatsis?f2): Support SSE.
8586 (floatsidf2_i387): New pattern.
8587 (floatsidf2_sse): Likewise.
8589 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8591 * configure.in: Use "have_gnat" variable, not "gnat".
8592 * configure: Regenerated.
8594 * config/sparc/sparc.c (function_value): Treat all non-record
8595 aggregate types like used to treat UNION_TYPE.
8597 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
8599 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
8600 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
8602 (MASK_MIX_SSE_I387): New.
8603 (TARGET_SSE): SSE2 imply SSE.
8604 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
8605 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
8606 (enum reg_class): Add new classes.
8607 (REG_CLASS_NAMES): Likewise.
8608 (REG_CLASS_CONTENTS): Likewise.
8609 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
8610 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
8611 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
8612 (CLASS_MAX_NREGS): Use new macros.
8613 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
8614 * i386.md (pushsf, movsf): Support SSE.
8615 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
8616 splitters to use ANY_FP_REGNO_P.
8617 (movdf_nointeger, movdf_integer): Likewise.
8619 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8621 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
8622 (try_combine): Use it.
8624 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
8626 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
8627 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
8628 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
8629 (REGISTER_MOVE_COST): Likewise.
8630 * i386-protos.h (ix86_secondary_memory_needed,
8631 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
8632 * i386.c (ix86_secondary_memory_needed,
8633 ix86_preferred_reload_class, ix86_register_move_cost): New function.
8635 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
8637 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
8638 (HARD_REGNO_MODE_OK): Move offline to ....
8639 * i386.c (ix86_hard_regno_mode_ok) ... here;
8640 refuse all incorrect modes.
8641 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
8643 2001-02-13 Richard Henderson <rth@redhat.com>
8645 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
8646 entire operator; replicate that and match_dup the operands.
8647 (cmp_ccx_arith_op_set): Likewise.
8648 (cmp_cc_arith_op_not_set): Likewise.
8649 (cmp_ccx_arith_op_not_set): Likewise.
8651 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8653 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
8655 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8657 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
8658 (TARGET_NO_BITFIELD_WORD): New macro.
8659 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
8660 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
8662 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8664 * cselib.c: New file, from simplify-rtx.c.
8665 * simplify-rtx.c: Remove cselib parts.
8666 * Makefile.in: Add cselib.o.
8668 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8670 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
8671 (setup_incoming_varargs): Remove warning.
8673 * config/rs6000/rs6000.c (validate_condition_mode): When
8674 flag_fast_math, allow floating-point conditionals to be reversed.
8675 (rs6000_generate_compare): When flag_fast_math, don't generate
8676 cror operations for FP conditionals.
8678 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
8680 (ASM_SPEC): Likewise.
8681 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
8682 (CC1_SPEC): Likewise.
8683 (LINK_TARGET_SPEC): Likewise.
8684 (CPP_ENDIAN_SPEC): Likewise.
8685 * Makefile.in (check-consistency): New target.
8687 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
8689 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
8690 "return type defaults" warning for functions with return type
8692 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
8693 function declarations by default rather than only when pedantic.
8695 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
8697 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
8700 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8702 * extend.texi (Deprecated): Deprecate new initializer lists.
8704 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8706 * mkdeps.c (deps_add_default_target): Robustify. Add
8707 basename component only.
8708 * cpp.texi (-M): Describe how default target is generated.
8709 * invoke.texi (-M): Likewise.
8711 2001-02-12 Kazu Hirata <kazu@hxi.com>
8713 * toplev.c (push_float_handler): Remove.
8714 (pop_float_handler): Remove.
8715 * toplev.h: Remove prototypes for the above functions.
8717 2001-02-12 Jakub Jelinek <jakub@redhat.com>
8719 * c-common.c (constant_fits_type_p): New function.
8720 (convert_and_check): Use it.
8722 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8724 * Makefile.in (GXX_ABI_FLAG): Don't define.
8725 * configure.in (--enable-new-gxx-abi): Remove option.
8726 * config.in: Regenerated.
8727 * configure: Likewise.
8729 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
8731 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
8733 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
8734 regular basic block, and arrange for all edges into it to switch
8737 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8739 * Makefile.in (distclean): Do not remove .gdbinit.
8741 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8743 * Makefile.in (gcc.o): Fix typos.
8744 (protize.o): Likewise.
8745 (unprotoize.o): Likewise.
8747 2001-02-11 Richard Henderson <rth@redhat.com>
8749 * tree.c (build1): Check for null operand in last change.
8751 2001-02-11 Richard Henderson <rth@redhat.com>
8753 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
8754 (fold): Don't assume a constant isn't foldable.
8755 * tree.c (build): Set TREE_CONSTANT for an expression with no
8756 side-effects and constant operands.
8759 2001-02-10 Richard Henderson <rth@redhat.com>
8761 * jump.c (squeeze_notes): Revert 2000-05-12 change.
8763 2001-02-10 Anthony Green <green@redhat.com>
8765 * cpp.texi (Standard Predefined): Add documentation for
8768 * c-common.c (combine_strings): Improve warning message.
8770 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
8772 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
8774 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
8776 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
8778 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
8781 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
8783 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
8786 2001-02-09 Nick Clifton <nickc@redhat.com>
8788 * config/arm/arm.md: Change output contraint on post inc
8789 load/store multiple patterns to be a read/write contraint.
8791 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
8793 * gcc.c (cpp_options): Delete .d files on error. Don't delete
8794 .o files when using the -M options.
8796 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8797 David Edelsohn <edelsohn@gnu.org>
8799 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
8800 handle DImode constants. Use one TOC entry for SImode and smaller
8801 constants, aligned properly.
8803 2001-02-08 Jason Merrill <jason@redhat.com>
8805 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
8806 about the SP adjustment for saving the static chain pointer.
8807 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
8808 offset when setting a temporary CFA register.
8810 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
8812 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
8813 powerpc-*-chorusos* .
8814 * config/rs6000/chorus.h : New file.
8815 * config/i386/chorus.h : New file.
8816 * config/sparc/chorus.h : New file.
8817 * config/sparc/t-chorus-elf : New file.
8819 2001-02-08 David Edelsohn <edelsohn@gnu.org>
8821 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
8822 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
8823 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
8824 (__WCHAR_TYPE__): Correct macro name.
8826 2001-02-08 Richard Henderson <rth@redhat.com>
8828 * config/i386/i386.c (ix86_frame_pointer_required): New.
8829 (ix86_setup_frame_addresses): New.
8830 (struct machine_funciton): Add accesses_prev_frame.
8831 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
8832 ix86_frame_pointer_required.
8833 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
8834 (SETUP_FRAME_ADDRESSES): New.
8835 * config/i386/i386-protos.h: Update.
8836 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8837 from FRAME_POINTER_REQUIRED.
8838 * config/i386/svr3gas.h: Likewise.
8839 * config/i386/sysv3.h: Likewise.
8840 * config/i386/v3gas.h: Likewise.
8842 2001-02-08 Richard Henderson <rth@redhat.com>
8844 * config/sparc/sparc.c (function_arg_record_value_3): Fix
8845 calculation of the number of integer registers required.
8846 (function_arg_record_value): Likewise.
8848 2001-02-08 Jason Merrill <jason@redhat.com>
8850 * diagnostic.c (internal_error): Say "confused" after 1 error, not
8851 two. Print file and line with "confused" message.
8853 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
8855 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8857 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
8859 2001-02-08 Bernd Schmidt <bernds@redhat.com>
8861 * final.c (cleanup_subreg_operands): The address of a MEM can
8864 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
8867 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
8869 * gcc.texi (Incompatibilities): Update documentation of
8870 preprocessing numbers.
8872 2001-02-07 Jakub Jelinek <jakub@redhat.com>
8874 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
8876 2001-02-07 Mark Mitchell <mark@codesourcery.com>
8878 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
8880 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
8881 * gcc.c (struct compiler): Add cpp_spec field.
8882 (input_file_compiler): New variable.
8883 (do_spec_1): Allow a particular compiler to handle `%C'
8885 (main): Store the current compiler in input_file_compiler.
8886 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
8888 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
8890 * cpphash.h (struct spec_nodes): Add n_true and n_false.
8891 * cppinit.c (cpp_create_reader): Initialize them.
8892 (append_include_chain): cxx_aware arg might be unused.
8893 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
8894 keywords and give them their phase 7 meaning. Pedwarn about
8895 this unless '__bool_true_false_are_defined' is defined.
8897 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8899 * lcm.c (optimize_mode_switching): Emit mode_set before the
8900 JUMP_INSN of an abnormal edge.
8902 2001-02-07 Bernd Schmidt <bernds@redhat.com>
8904 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
8905 a scheduling barrier at the end.
8907 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
8909 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8911 * config/sh/sh.md (reload_outsf): Removed.
8912 (movsf_ie): Introduce constraints for FPUL loads and stores.
8913 (reload_insf): Broaden the output constraint.
8915 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
8917 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
8918 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
8920 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
8922 * final.c: Revert my previous changes.
8923 * output.h: Make profile_label_no extern.
8924 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
8925 for generating label.
8927 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
8929 * config/i386/djgpp.h: Add comments about standard paths.
8930 (MD_EXEC_PREFIX): Undefine before defining.
8931 (MD_STARTFILE_PREFIX): New.
8933 2001-01-30 Bruce Korb <bkorb@gnu.org>
8935 fixinc/fixincl.c(process): Emit error message only if appropriate :)
8936 (load_file): do not rely on load_file_data() to close file pointer
8937 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
8938 fixinc/inclhack.def(irix_limits_const): add test_text
8940 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8942 * cppexp.c (parse_defined): Improve diagnostics for invalid
8945 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8947 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
8949 2001-02-06 Mark Mitchell <mark@codesourcery.com>
8951 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
8952 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
8953 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
8954 (rs6000_output_symbol_ref): New function.
8955 (output_toc): Use VTABLE_NAME_P.
8957 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8959 * print-tree.c (print_node, case PARM_DECL):
8960 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
8962 * stor-layout.c (reference_types_internal): New variable.
8963 (internal_reference_types): New function.
8964 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
8965 * tree.h (internal_reference_types): New declaration.
8967 * cse.c (find_best_addr): Fix typo in computing cost.
8969 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8971 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
8972 and this is the sum of a pointer and a constant, we know the result
8974 (num_sign_bit_copies, case PLUS): Likewise.
8975 * explow.c (convert_memory_address): Remove opposite SUBREG.
8976 * function.c (instantiate_new_reg): New function (from common code).
8977 (instantiate_virtual_regs_1): Call it.
8978 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
8979 if pointers sign- or zero-extend.
8980 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
8981 If pointers extend unsigned, use inside of SUBREG.
8982 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
8984 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
8986 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
8987 subdir of gcc_gxx_include_dir.
8988 (gcc_gxx_target_include_dir): Remove.
8990 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
8992 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
8993 (dwarf2out_frame_debug_expr): Revise introductory comments to add
8994 a high-level description.
8996 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
8998 * final.c: Move the declaration of profile_label_no to ...
8999 * output.h: ... here.
9000 * function.c (expand_function_start): Call PROFILE_HOOK.
9001 * config/rs6000/aix.h: Define PROFILE_HOOK.
9002 * config/rs6000/rs6000-protos.h: output_profile_hook new.
9003 * config/rs6000/rs6000.c (output_profile_hook): Define.
9004 (output_prolog): Do nothing for ABI_AIX as it is taken care by
9005 output_profile_hook.
9006 tm.texi : Explain new macro PROFILE_HOOK.
9008 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
9010 * extend.texi (Extended Asm): Do not say that semicolon is always
9011 a valid line-breaking character for GNU assemblers. Use
9012 newline-tab as the most commonly supported syntax. Use
9013 newline-tab rather than semicolon in multi-insn examples.
9015 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9017 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
9019 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9020 David Edelsohn <edelsohn@gnu.org>
9022 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
9023 code for AIX, even without flag_pic.
9025 2001-02-05 Jakub Jelinek <jakub@redhat.com>
9027 * c-typeck.c (common_type): push and pop binding level around
9028 calling common_type on function parameters.
9030 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
9032 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
9034 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9036 * config/mips/mips.c (override_options): Fix typo in last change.
9037 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
9038 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
9040 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
9042 * invoke.texi (-fdump-class-layout): Document.
9043 (-fdump-translation-unit): Use `=' as filename separator.
9045 2001-02-05 Mark Mitchell <mark@codesourcery.com>
9047 * Makefile.in (s-mlib): Don't build multilibs if
9049 (DRIVER_DEFINES): Adjust accordingly.
9051 (protoize.o): Likewise.
9052 (unprotoize.o): Likewise.
9053 * configure.in: Recognize --enable-multilib.
9055 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9057 * Makefile.in (DRIVER_DEFINES): Fix quoting.
9059 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
9060 * configure.in: Remove --enable-libstdcxx_v3 support.
9061 * configure: Regenerated.
9063 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9065 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
9066 Call abort instead of fatal.
9067 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
9068 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
9069 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
9070 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
9071 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
9072 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
9074 * diagnostic.h (set_internal_error_function): Renamed.
9075 * toplev.h (internal_error): Renamed from fatal.
9076 (pfatal_with_name): Deleted.
9077 (fatal_io_error): Now has printf-style arguments.
9078 * diagnostic.c (pfatal_with_name): Deleted.
9079 (fatal_io_error): Rework to have args in printf-style.
9080 (set_internal_error_function): Renamed from set_fatal_function.
9081 (internal_error): Renamed from fatal.
9082 (error_recursion, fancy_abort): Call internal_error instead of fatal.
9083 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
9084 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
9085 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
9086 * flow.c (verify_flow_info): Likewise.
9087 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
9088 * config/mips/mips.c (save_restore_insns): Likewise.
9090 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
9091 * flow.c (verify_flow_info): Likewise.
9092 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
9093 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
9094 (avr_normalize_condition): Likewise.
9095 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
9096 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
9097 (limit_reload_class, double_reg_to_memory): Likewise.
9098 (print_operand_address, emit_1600_code_shift): Likewise.
9099 (gen_tst_reg, gen_compare_reg): Likewise.
9100 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
9101 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
9103 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
9105 * c-parse.in (methoddef): Call fatal_error instead of fatal.
9106 * objc/objc-act.c (build_ivar_chain): Likewise.
9107 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
9109 * graph.c (clean_graph_dump_file): Likewise.
9110 * profile.c (init_branch_prob): Likewise.
9111 * objc/objc-act.c (objc_init): Likewise.
9113 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
9114 * config/avr/avr.c (avr_override_options): Likewise.
9115 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
9116 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
9117 * config/h8300/h8300.c (h8300_init_once): Likewise.
9118 * config/mips/mips.c (override_options): Likewise.
9119 * config/i386/i386.c (override_options): Likewise, rework.
9120 * config/m68k/m68k.c (override_options): Likewise.
9122 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
9124 * config/mips/mips.c (print_operand): Likewise.
9125 * hash.c (hash_allocate): Don't check for failure returns from
9126 obstack functions that can't fail.
9127 (hash_table_init_n, hash_table_init): Likewise; also now return void.
9128 * hash.h (hash_table_init_n, hash_table_init): Now return void.
9129 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
9130 (get_object_reference): Likewise.
9132 2001-02-04 Nick Clifton <nickc@redhat.com>
9134 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
9135 StrongARM1110, 10TDMI, and 1020T.
9137 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9139 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
9141 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
9143 * config/sh/sh.md (movdf load split): Pass register number to
9144 FP_OR_XD_REGISTER_P.
9146 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9148 * cppinit.c (BC): New macro.
9149 (builtin_array): Add __GXX_WEAK__.
9150 * cpplib.h (builtin_type): Add BT_WEAK.
9151 * cppmacro.c (builtin_macro): Handle BT_WEAK.
9152 * defaults.h (SUPPORTS_ONE_ONLY): Define.
9153 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
9155 2001-02-03 Jakub Jelinek <jakub@redhat.com>
9157 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
9159 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9161 * cpphash.h: Rename _ALIGN POOL_ALIGN.
9162 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9164 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9166 * cpphash.h: Rename ALIGN _ALIGN.
9167 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9169 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
9171 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
9172 compilation environment.
9173 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
9174 control over location of cygwin includes and libs.
9176 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9178 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
9180 2001-02-02 lars brinkhoff <lars@nocrew.org>
9182 * md.texi (Standard Names): remove reference to spur.md.
9184 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9186 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
9187 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
9188 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
9189 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
9190 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
9192 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9194 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
9195 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
9196 number before reload.
9197 (c4x_adjust_cost): Return zero before reload.
9198 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
9199 split before reload.
9201 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9203 * c4x.c (c4x_hard_regno_rename_ok): New.
9204 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
9205 * c4x.h (HARD_REGNO_RENAME_OK): Define.
9207 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9209 * diagnostic.h: Add missing "extern" in all declarations.
9211 2001-02-02 Alex Samuel <samuel@codesourcery.com>
9213 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
9214 as for gcc_gxx_include_dir.
9216 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
9218 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
9220 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9222 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
9223 label before alignment to be used as the braf base address.
9224 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
9226 (casesi_jump_2): Require at least TARGET_SH2.
9228 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
9229 truncation to 32-bit doubles on -m3e and -m4-single-only.
9231 2001-02-02 Mark Mitchell <mark@codesourcery.com>
9233 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
9234 the default when building a shared object.
9235 (init_spec): Use it.
9236 * testsuite/lib/g++.exp: Include the directory where libgcc
9237 is located to the LD_LIBRARY_PATH list.
9238 * invoke.texi (-shared-libgcc): Document the cases in which
9239 GCC defaults to using the shared libgcc.
9241 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9243 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
9244 unsigned is wide enough.
9246 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
9247 (si_to_float): Likewise.
9248 (float_to_si, float_to_usi): Use BITS_PER_SI.
9250 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9252 * dwarf2out.c: Added explanation of abbreviations.
9253 (def_cfa_1): Added comments listing DWARF2 instructions.
9254 (cfa_temp_reg): Removed in favor of cfa_temp.
9255 (cfa_temp_value): Removed in favor of cfa_temp.
9256 (cfa_temp): New global variable.
9257 (dwarf2out_frame_debug_expr): Added extensive introductory
9258 comments explaining the function's transformations. Revised to
9259 use cfa_temp. Added some rtx checking. Generalize IOR case.
9260 (dwarf2out_frame_debug): Revised to use cfa_temp.
9261 (output_aranges): Cast as "unsigned" to avoid warning.
9262 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
9263 explain which instructions must be marked.
9265 2001-02-01 Richard Henderson <rth@redhat.com>
9267 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
9270 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
9272 * config/sh/crt1.asm (main_k): Modified so that start calls
9273 ___setup_argv_and_call_main.
9275 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
9277 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
9278 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
9279 and AVOID_LPASTE is cleared on meeting an unescaped newline.
9280 * cppmacro.c (builtin_macro): Set builtin flags here.
9281 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
9282 (replace_args): Clarify intent.
9283 (cpp_get_token): Macro expansion tokens get the saved flags.
9285 * cppmain.c (scan_buffer): Remove now-redundant print.printed
9288 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9290 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
9293 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9295 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
9296 returns Pmode pseudo, but we need ptr_mode.
9297 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
9298 Remove bogus conversions; use HOST_WIDE_INT for size.
9299 Don't use TARGET if wrong mode.
9301 * config/i386/i386.c (ix86_compute_frame_size): Allow
9302 stack_alignment_needed to be non-default even if size is zero.
9304 2001-01-31 Alan Modra <alan@linuxcare.com.au>
9306 * pa.c (hppa_init_pic_save): New function.
9307 * pa.h (hppa_init_pic_save): Declare.
9308 * pa.md (call, call_value, sibcall, sibcall_value): Use
9309 the above instead of duplicated code.
9311 * pa.c (hppa_encode_label): Correct size of alloca buffer
9312 so we don't overrun it. Correct leading `*' case.
9313 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
9314 need to handle `*@'.
9315 (FUNCTION_NAME_P): Likewise.
9317 2001-01-31 Richard Henderson <rth@redhat.com>
9319 * config.gcc (alpha-osf5): Use float-i128.h.
9321 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
9322 * config/float-i32.h: Likewise.
9323 * config/float-i64.h: Likewise.
9324 * config/float-sh.h: Likewise.
9325 * config/float-sparc.h: Likewise.
9327 2001-01-31 DJ Delorie <dj@redhat.com>
9329 * expmed.c (extract_bit_field): allow non-integral modes if we
9330 want to extract a whole register from itself.
9332 2001-01-31 Jakub Jelinek <jakub@redhat.com>
9334 * c-typeck.c (set_init_index): If first is equal to last, assume as
9335 if it was not a range at all.
9337 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9339 * config/fp-bit.c: Include tm.h.
9340 (float_to_si): Don't assume SImode is 32-bits wide.
9341 (float_to_usi): Likewise.
9343 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
9345 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
9347 (typename): Call pending_xref_error after parsing typed_typespecs.
9348 * c-decl.c (lookup_tag): Give error immediately rather than
9349 leaving it pending if the tag of the wrong type is in the same
9351 (xref_tag): Don't pedwarn for forward declarations of enum types
9353 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
9356 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9358 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
9360 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9362 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
9363 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
9365 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9367 * cpphash.h (struct cpp_reader): New saved_flags.
9368 * cppmacro.c (cpp_get_token): Use saved_flags to remember
9369 to avoid a paste after a pasted token.
9371 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9373 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
9374 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
9375 Wtype_MIN instead of LONG_MIN.
9377 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9379 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
9381 * fixinc/fixincl.x: Regenerated.
9382 * fixinc/inclhack.def (irix_limits_const): New definition to
9383 convert "const" to "__const" in limits.h.
9385 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9387 * fixinc/genfixes (AG): Fix "autogen4" thinko.
9389 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9391 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
9392 when register dies in the insn.
9394 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9396 * diagnostic.c (fatal): Fix word wrap.
9398 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
9400 * combine.c (try_combine): Fix SUBREG setting for
9401 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
9403 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9405 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
9408 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9410 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
9412 * toplev.c (decode_W_option): Update warn_larger_than
9413 unconditionally for each processed switch.
9415 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
9417 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
9419 (hppa_expand_prologue): Delete code to save pic offset table register
9420 in the function prologue.
9421 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
9422 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
9423 table register at the beginning of the function after the prologue.
9425 2001-01-29 lars brinkhoff <lars@nocrew.org>
9427 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
9429 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
9430 Jeff Law <law@redhat.com>
9432 * pa.md (return): Revise comment for trivial return.
9433 (return_internal): Non-trivial return pattern for non-PIC code.
9434 (return_internal_pic): Non-trivial return pattern for PIC code.
9435 It uses the PIC register to ensure it is restored after
9437 (epilogue): Generate appropriate return for PIC and non-PIC code.
9439 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
9441 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
9443 2001-01-29 DJ Delorie <dj@redhat.com>
9445 * combine.c (if_then_else_cond): Pass the correct mode to
9446 operand_subword() for constants.
9448 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
9450 * config/i386/cygwin.h: Add w32api to include search. Search different
9451 directories in a cross-build environment.
9453 2001-11-29 Tim Josling <tej@melbpc.org.au>
9455 * tree.h (TYPE_STUB_DECL): Add documentation.
9457 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
9459 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
9460 (sdbout_field_types): Likwise. Fix use of host_integerp.
9462 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
9464 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
9467 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
9469 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
9470 to use flag_gnu_linker.
9472 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
9474 * cpplib.c (T_BAD_DIRECTIVE): Remove.
9475 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
9477 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
9479 * tree.c, tree.h (build_parse_node): Remove; was identical to
9481 * c-lang.c (start_cdtor), objc/objc-act.c
9482 (build_module_descriptor): Use build_nt instead of
9485 2001-01-29 Jakub Jelinek <jakub@redhat.com>
9487 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
9488 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
9489 not have any upper bits set.
9491 2001-01-29 Phil Edwards <pme@sources.redhat.com>
9493 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
9495 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9497 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
9499 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
9501 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
9502 (integer_minus_one_node): Define.
9504 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
9506 * Makefile.in (bootstrap2-lean): Fix typo.
9508 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
9510 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
9511 : Don't set fe_value.
9512 * cpplib.h (AVOID_LPASTE): New flag.
9513 (struct cpp_hashnode): Remove fe_value.
9514 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
9515 * cppmacro.c (builtin_macro): Don't set flags here.
9516 (replace_args): Set AVOID_LPASTE flag on first token of an
9517 argument, and the token following it.
9518 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
9519 macro expansion, and on the token following it. Do it for
9521 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
9523 2001-01-27 Richard Henderson <rth@redhat.com>
9525 * config/alpha/t-ieee: Remove multilibbing.
9526 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
9528 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9530 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
9532 * Makefile.in: Remove all dependencies on defaults.h.
9533 * builtins.c: Don't include defaults.h.
9534 * c-common.c: Likewise.
9535 * c-decl.c: Likewise.
9536 * c-pragma.c: Likewise.
9537 * c-typeck.c: Likewise.
9538 * combine.c: Likewise.
9540 * frame-ia64.c: Likewise.
9541 * cppexp.c: Likewise.
9542 * crtstuff.c: Likewise.
9543 * dbxout.c: Likewise.
9544 * dwarf2out.c: Likewise.
9545 * dwarfout.c: Likewise.
9546 * emit-rtl.c: Likewise.
9547 * except.c: Likewise.
9549 * final.c: Likewise.
9550 * frame-dwarf2.c: Likewise.
9551 * libgcc2.c: Likewise.
9552 * optabs.c: Likewise.
9553 * profile.c: Likewise.
9554 * sdbout.c: Likewise.
9555 * toplev.c: Likewise.
9556 * tradcif.y: Likewise.
9558 * varasm.c: Likewise.
9560 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9562 * builtins.c (expand_builtin_fputs): Use size_one_node when
9563 transforming into fwrite.
9565 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
9567 * extend.texi (Attribute Syntax): New section.
9569 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9571 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
9572 they didn't need fixing.
9574 2001-01-27 Janis Johnson <janis@us.ibm.com>
9576 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
9578 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
9579 to remove macro definitions that are duplicated from elfos.h.
9581 2001-01-27 Richard Henderson <rth@redhat.com>
9583 * config/i386/sco5gas.h: Move ...
9584 * config/usegas.h: ... here.
9585 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
9587 2001-01-27 Jakub Jelinek <jakub@redhat.com>
9589 * c-typeck.c (struct constructor_stack): Add range_stack member.
9590 (really_start_incremental_init): Clear it.
9591 (push_init_level): Save constructor_range_stack and clear it if
9592 pushing explicit braces.
9593 (pop_init_level): abort if constructor_range_stack is non-zero at
9594 explicit closing brace. Restore saved constructor_range_stack if
9597 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9599 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
9600 into register was forced into memory.
9602 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9604 * Makefile.in: Remove uses of + before $(MAKE).
9606 2001-01-26 Richard Henderson <rth@redhat.com>
9608 * stmt.c (cost_table): Remove.
9609 (COST_TABLE, cost_table_initialized): New.
9610 (estimate_case_costs): Use the later instead of the former.
9611 (balance_case_nodes): Likewise.
9613 2001-01-26 Richard Henderson <rth@redhat.com>
9615 * alias.c (objects_must_conflict_p): Read-only slots may not
9616 conflict despite having the same type.
9618 2001-01-27 Michael Hayes <mhayes@redhat.com>
9620 * loop.c (loop_giv_reduce_benefit): Copy mode size into
9622 (check_ext_dependant_givs): Initialise u_start_val and
9624 (load_mems): Make last_max_reg unsigned.
9625 (try_swap_copy_prop): Use INSN_P and initialise set.
9627 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
9629 * README.AVR : Removed.
9631 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
9633 * pa-64.h (text_section): Remove declaration.
9635 * pa.md (return_internal): Remove mode on PIC register use.
9637 2001-01-25 lars brinkhoff <lars@nocrew.org>
9639 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
9640 ASM_CLOSE_PAREN): fix typos.
9642 2001-01-25 Mark Mitchell <mark@codesourcery.com>
9644 * acconfig.h: Define `const' to the empty string if neither
9645 __STDC__ nor __cplusplus is defined.
9646 * config.in: Regenerated.
9648 2001-01-25 David Edelsohn <edelsohn@gnu.org>
9650 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
9651 * collect2.c (main): Delete importf. Add ".obj" file extension.
9652 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
9653 (aix_std_libs): Add additional AIX libraries to skip.
9654 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
9655 * config/rs6000/aix51.h: New file.
9657 2001-01-25 Michael Hayes <mhayes@redhat.com>
9659 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
9660 (loop_insn_emit_before): No longer static.
9661 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
9662 (loop_givs_rescan, load_mems): Likewise.
9663 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
9664 (maybe_eliminate_biv_1):
9665 (move_movables): Replace emit_call_insn_before with
9666 loop_call_insn_hoist.
9667 * loop.h (loop_insn_emit_before): Add.
9668 * unroll.c (copy_loop_body): Replace emit_insn_before with
9669 loop_insn_emit_before.
9671 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
9673 * diagnostic.c (fatal): Request preprocessed source.
9675 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
9677 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
9678 olddecl has argument types and newdecl has none, use the argument
9681 2001-01-24 Ulrich Drepper <drepper@redhat.com>
9683 * dwarf2out.c (prefix_of): New function. Determine longest common
9684 prefix of the two arguments. The units are whole path components.
9685 (output_file_names): When adding a new directory find the one entry
9686 with the longest common prefix already in the list. Artificially
9687 generate entry if there is none for this prefix.
9688 Fix test to check whether the zeroth directory entry is used.
9690 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
9692 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
9693 Changed all callers. Take it into account when deciding if a
9694 previously loaded value matches.
9696 2001-01-24 Richard Henderson <rth@redhat.com>
9698 * reload.c (find_reloads_subreg_address): Fail the substitution
9699 if the resulting address is insufficiently aligned.
9701 2001-01-24 DJ Delorie <dj@redhat.com>
9703 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
9704 check the original operand's mode also.
9705 * simplify-rtx.c (simplify_ternary_operation): Ditto.
9707 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9709 * c-parse.in (cast_expr): Move compound literals from here ...
9710 (primary): ... to here. Use standard terminology "compound
9711 literal" instead of "constructor expression".
9713 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9715 * gcc.1, cpp.1: Regenerate.
9717 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
9719 * calls.c (emit_library_call_value_1): Memory slot for
9720 pass-by-reference argument should have the mode of the argument,
9721 not of the pointer to it.
9723 2001-01-24 Tom Tromey <tromey@redhat.com>
9725 * gcc.texi (G++ and GCC): Mention gcj manual.
9726 (Standards): Link to section of manual mentioning gcj/Java
9729 2001-01-24 Jakub Jelinek <jakub@redhat.com>
9731 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
9732 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
9733 * tradcpp.c (main): Add -imacros or -include'd dependencies
9735 * cpp.texi (-M, -MM): Document -M -include behaviour.
9737 2001-01-24 Roger Collins <roger@ProProject.com>
9739 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
9741 2001-01-24 Will Cohen <wcohen@redhat.com>
9743 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
9744 whether registers are 32 bits or 64 bits in size.
9746 2001-01-24 Ben Elliston <bje@redhat.com>
9748 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
9750 2001-01-24 Richard Henderson <rth@redhat.com>
9752 * config/alpha/alpha.md (builtin_longjmp_internal): New.
9753 (builtin_longjmp): Use it instead of emit_indirect_jump.
9755 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
9757 * bb-reorder.c (make_reorder_chain_1): Handle case where
9758 jump edge goes to the same block as the fallthru edge.
9760 2001-01-23 Jim Wilson <wilson@redhat.com>
9762 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9763 * frame.h (__ia64_personality_v1): Add prototype.
9764 * libgcc2.c (ia64_throw_helper): Change personality declaration to
9765 prototype form. Add void * cast to first argument to personality
9767 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
9768 (asctoe113): Likewise.
9769 * config/ia64/frame-ia64.c: Include eh-common.h.
9770 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
9772 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
9774 (itanium_split_issue): Add prototype.
9775 (gen_nop_type): Ifdef out.
9776 (find_best_packet): Initialize best_packet.
9777 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
9779 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
9780 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
9781 (flushrs): Add explicit stop bit at end.
9782 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
9785 2001-01-23 Chris Demetriou <cgd@broadcom.com>
9787 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
9789 * libgcc2.c (__terminate_func): Make variable static.
9790 (__terminate_set_func): New function to set __terminate_func.
9791 * libgcc2.h (__terminate_func_ptr): New typedef.
9792 (__terminate_set_func): New function.
9794 2001-01-23 Richard Henderson <rth@redhat.com>
9796 * flow.c (init_propagate_block_info): Don't consider unchanging
9797 memories for dead frame store elimination.
9799 2001-01-23 Richard Henderson <rth@redhat.com>
9801 * varasm.c (UNIQUE_SECTION): Move default implementation ...
9802 * defaults.h: ... here.
9804 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9806 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
9808 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
9810 * c-lex.c (lex_charconst): Fix typo: s/p/str.
9812 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9814 * rs6000.h (rs6000_return_addr): Move prototype from here...
9815 * rs6000-protos.h (rs6000_return_addr): ...to here.
9816 (rs6000_init_expanders): Delete prototype.
9818 2001-01-23 Nick Clifton <nickc@redhat.com>
9820 * invoke.texi: Replace , with \, inside @gccoptlist macros.
9821 (Spec Files): Document %B and %j and %. and %v3 and %M and
9822 %{S*&T} spec switches.
9824 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9826 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
9828 2001-01-23 Chris Demetriou <cgd@sibyte.com>
9829 Neil Booth <neil@daikokuya.demon.co.uk>
9831 * cpperror.c: Merge handlers of PEDWARN and WARNING.
9832 Have -Werror make pedantic warnings errors, like the
9835 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9837 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
9839 2001-01-23 Jakub Jelinek <jakub@redhat.com>
9841 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
9842 * integrate.c (expand_inline_function): Initialize them.
9843 (subst_constants): If changing COMPARE so that both its arguments
9844 will be VOIDmode and the comparison mode will be lost, note
9845 compare_mode. Use the recorded compare_mode to optimize
9848 2001-01-23 Jason Merrill <jason@redhat.com>
9850 * dwarf2out.c (new_die): Use xcalloc.
9851 (output_die): Abort rather than emit a local reference to offset 0.
9853 2001-01-17 Andrew Haley <aph@redhat.com>
9855 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
9856 of a saved register; return NULL instead.
9857 (copy_reg): Take a pointer to a source register rather than a
9859 (next_stack_level): Remember the address in the stack frame of all
9861 Use the saved register pointer array as the source of the CFA.
9862 (throw_helper): Rewrite. Unwind once rather than twice and keep
9863 track of saved registers as we go.
9865 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9867 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
9868 * c4x.c (c4x_legitimize_reload_address): Remove.
9869 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
9870 reload address for ldp(k) insn.
9872 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
9874 * pa.md (return_internal): Add a USE of the PIC register to ensure
9875 it is restored after each call.
9876 (return expander): Corresponding changes.
9878 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9880 * rs6000.h (INIT_EXPANDERS): Delete.
9881 (RETURN_ADDR_RTX): Call rs6000_return_addr().
9882 * rs6000.c (rs6000_override_options): Call *_machine_status from
9884 (rs6000_init_expanders): ...instead of here. Delete.
9885 (rs6000_mark_machine_status): New function.
9886 (rs6000_init_machine_status): Use xcalloc.
9887 (rs6000_return_addr): Generate RTX for the return address.
9888 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
9889 (rs6000_stack_info): Use it.
9891 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
9893 * gthr-win32.h: Include errno.h to get a declaration for
9894 EINVAL and _mingw.h if the target is mingw32.
9896 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9898 * cpp.texi: Correct typos.
9900 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9902 * explow.c (probe_stack_range): Ensure value passed to
9903 stack_check_libfunc is ptr_mode, not Pmode.
9905 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
9907 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
9908 case, don't use operand_subword to calculate a SUBREG that is
9911 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
9913 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9915 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
9916 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
9917 valid. If not replace it by equivalent insns.
9919 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9921 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
9922 contains SYMBOL_REF, LABEL_REF and CONST_INT.
9923 (c4x_U_constraint, symbolic_address_operand): Likewise.
9924 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
9926 (c4x_r11_set_p, c4x_check_laj_p): New functions.
9927 * c4x-protos.h (c4x_check_laj_p): Add prototype.
9928 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
9929 anulling slot because of silicon bug.
9930 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
9932 2001-01-22 Alan Modra <alan@linuxcare.com.au>
9934 * cppexp.c (parse_charconst): Change `mask' type to agree
9937 2001-01-21 Richard Henderson <rth@redhat.com>
9939 * config/i386/i386.c (ix86_asm_file_end): Disable putting
9940 pic_label_name in a linkonce section.
9942 2001-01-17 Philipp Thomas <pthomas@suse.de>
9944 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
9946 * configure: Regenerate.
9948 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
9950 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
9951 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
9953 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
9955 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9956 If REVERSE nonzero then condition code in X must be reversed.
9957 (encode_section_info): Optimise if/else.
9958 (avr_function_value): Fix formatting.
9960 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9961 (difficult_branch): Likewise.
9962 (rvbranch): Likewise.
9963 (difficult_rvbranch): Likewise.
9965 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
9967 * config/avr/libgcc.S: Fix comment.
9969 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9971 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
9973 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9975 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
9977 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9979 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
9980 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
9981 * configure, config.in: Regenerate.
9982 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
9983 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
9984 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
9985 (doprint.o): New rule.
9987 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
9989 * c-typeck.c (digest_init): Handle boolean types as scalars.
9991 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9993 * stmt.c (expand_return): Don't return anything if size is zero.
9994 Delete redundant assignment to BYTES.
9995 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
9997 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
9999 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
10000 the same as the default library function names.
10001 * config/avr/avr.md: Document special characters after '%'.
10002 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
10003 knowing which of the call-used registers are really clobbered.
10004 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
10005 New. Both quotient and remainder from one libgcc.S call.
10006 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
10007 clobber as few registers as possible.
10008 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
10010 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
10012 * cppmacro.c (funlike_invocation_p): Don't move back up to the
10013 context of the top of the stack.
10015 2001-01-20 Jakub Jelinek <jakub@redhat.com>
10017 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
10018 (fixup_var_refs_insns): ...here.
10020 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
10022 * function.c (fixup_var_refs_insns): Break up into
10023 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
10024 [loop over entire insn list], and fixup_var_refs_insns_with_hash
10025 [loop over hash table entries].
10026 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
10027 fixup_var_refs_insns_with_hash, to match above changes.
10029 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
10031 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
10032 (libgcc.a): Likewise.
10033 (stmp-multilib): Likewise.
10034 (STAGE2_FLAGS_TO_PASS): Likewise.
10036 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
10038 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
10039 temporary if no_new_pseudos.
10041 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
10043 * cppinternals.texi: Update.
10045 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
10047 * arm.c (arm_init_builtins): Re-enable builtins.
10049 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10051 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
10052 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
10053 element to be null, and always expect an EXPR_LIST.
10054 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
10055 * sched-deps.c (sched_analyze_1): Likewise.
10056 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10058 * regclass.c (max_set_parallel): New variable.
10059 (reg_scan): Take it into account in computation of max_parallel.
10060 (reg_scan_mark_refs, case SET): Compute it.
10062 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
10064 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
10065 * function.c (assign_parms): Use INTVAL for a CONST_INT.
10067 2001-01-19 Jason Merrill <jason@redhat.com>
10069 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
10070 for the abstract instance of an inline function.
10072 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
10073 J"orn Rennecke <amylaar@redhat.com>
10075 * reload1.c (move2add_note_store): Treat all registers directly or
10076 indirectly derived from a base register as members of the same set
10078 (reload_cse_move2add): Adjust accordingly. Take mode and offset
10079 of base register into account.
10081 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
10083 * alias.c (find_base_value): Recognize TRUNCATE.
10084 (record_set): In PLUS case, invalidate if other summand is also a
10087 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10089 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
10090 entry to be EXPR_LIST.
10091 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
10092 be an EXPR_LIST (but not null, which other code doesn't allow).
10093 (note_stores): Properly handle PARALLEL in SET.
10094 Recursively call for top-level PARALLEL.
10095 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
10096 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10098 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
10100 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
10102 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
10103 not pfile->skipping (== 0).
10105 2001-01-17 Nick Clifton <nickc@redhat.com>
10107 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
10110 2001-01-17 Jim Wilson <wilson@redhat.com>
10112 * invoke.texi (IA-64 options): Improve.
10114 2001-01-17 Tom Tromey <tromey@redhat.com>
10116 * invoke.texi (Optimize Options): Use `{}' to around @samp
10119 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
10121 * invoke.texi (-fno-guess-branch-probability): New option.
10123 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10125 * combine.c (try_combine): Don't set i3_subst_into_i2 for
10126 case of making new double-word constant.
10127 Revert last change: instead just test i3_subst_into_i2.
10129 2001-01-17 Jakub Jelinek <jakub@redhat.com>
10131 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
10132 Use q constraints instead of r.
10134 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
10136 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
10137 (machine_function): Define.
10138 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
10139 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
10140 pa_free_machine_status): New functions.
10141 (override_options): Set {init,mark,free}_machine_status to above.
10142 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10143 PIC_OFFSET_TABLE_REGNUM_SAVED.
10144 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10145 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
10146 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
10147 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
10148 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10150 2001-01-15 DJ Delorie <dj@redhat.com>
10152 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
10156 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10158 * flow.c (propagate_one_insn): Make trying to delete a prologue
10159 or epilogue insn an ICE, not a warning. Allow doing this if
10160 the current function returns with stack pointer depressed.
10162 * combine.c (try_combine): If i3_subst_into_i2, properly check for
10163 I3 having more than one SET.
10165 2001-01-16 Jim Wilson <wilson@redhat.com>
10167 * invoke.texi: Document IA-64 options.
10169 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
10170 (fixup_errata): Delete TARGET_A_STEP use.
10171 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
10172 (TARGET_SWITCHES): Delete -ma-step option.
10173 * config/ia64/ia64.md (all FP patterns): Delete %B0.
10174 (movqicc_astep, movqi_internal_astep, movhicc_astep,
10175 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
10176 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
10177 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
10178 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
10180 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
10181 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
10182 cmovsi_internal): Delete ! TARGET_A_STEP check.
10184 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10186 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
10187 possibility to report bugs via postal mail. Change a URL and
10188 merge in a nearly duplicate statement...
10189 (Bug Reporting): ...from here.
10190 (Service): Refer to the Bug Reporting section instead of
10191 duplicating an URL.
10192 (Contributing): Remove trivial explanations concerning snapshots.
10194 2001-01-16 Alan Modra <alan@linuxcare.com.au>
10196 * cppmain.c (general_init): Don't use ANSI prototype.
10198 2001-01-16 Tom Tromey <tromey@redhat.com>
10200 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
10202 2001-01-16 Richard Henderson <rth@redhat.com>
10204 * config/i386/i386.h: Fix comment typo.
10205 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
10206 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
10208 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10210 * gcc.c: Revert previous -fsyntax-only-related change; move
10213 2001-01-16 Jakub Jelinek <jakub@redhat.com>
10215 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
10216 inmode after checking GET_CODE (op).
10218 2001-01-16 Richard Henderson <rth@redhat.com>
10220 * flow.c (struct propagate_block_info): Add mem_set_list_len.
10221 (MAX_MEM_SET_LIST_LEN): New.
10222 (propagate_one_insn): Update mem_set_list_len.
10223 (invalidate_mems_from_autoinc): Likewise.
10224 (invalidate_mems_from_set): Likewise.
10225 (mark_used_regs): Likewise.
10226 (init_propagate_block_info): Likewise. Stop collecting memories
10227 when we reach MAX_MEM_SET_LIST_LEN.
10228 (mark_set_1): Likewise.
10230 2001-01-16 Richard Henderson <rth@redhat.com>
10232 * unroll.c (precondition_loop_p): Fail if no iteration
10235 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10237 * gcc.c: When -fsyntax-only is given, do not complain about
10240 2001-01-15 Richard Henderson <rth@redhat.com>
10242 * config/i386/i386.c (asm_output_function_prefix): Remove.
10243 (ix86_asm_file_end): New.
10244 (load_pic_register): Generate pic_label_name into a
10245 staticly allocated buffer.
10246 * config/i386/i386-protos.h: Update.
10247 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
10248 (ASM_FILE_END): New.
10249 * config/i386/i386afe.h: New file.
10250 * config.gcc (i?86-*-elf) [tm_file]: Use it.
10251 (i?86-*-{freebsd,linux*,moss*}): Likewise.
10252 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
10253 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
10254 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
10255 * config/i386/sco5.h (ASM_FILE_END): Likewise.
10256 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
10258 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
10260 * Makefile.in (install-man): Remove explicit dependency on
10263 * configure.in, configure: Revert previous patch requiring perl
10266 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
10268 * toplev.c (flag_guess_branch_prob): New.
10269 (f_options): Add guess-branch-probability option.
10270 (rest_of_decl_compilation): Only estimate branch probability if
10272 (main): set flag_guess_branch_prob.
10274 * flags.h (flag_guess_branch_prob): New.
10276 2001-01-15 DJ Delorie <dj@redhat.com>
10278 * gcc.texi (Makefile): Add documentation for Makefile targets.
10280 2001-01-15 Philip Blundell <philb@gnu.org>
10282 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
10284 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
10285 (is_pic): Delete declaration.
10286 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
10287 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
10288 * config/arm/arm.md (builtin_setjmp_receiver): New.
10290 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10292 * arm.c (use_return_insn): Don't try to determine the function type
10293 until after reload has completed.
10294 (arm_output_epilogue): Don't adjust the sp value recovered from the
10296 (emit_multi_reg_push): Don't record dwarf information for the pc.
10297 * arm.md (eh_epilogue): The function type may have changed, so it
10298 needs to be recalculated.
10299 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
10300 unwind tables on arm/netbsd.
10302 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10304 * arm.md (cbranchsi4): Correct calculation of branch ranges.
10305 (negated_cbranchsi4): Likewise.
10307 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10309 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
10310 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10311 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
10312 pass -mapcs-* options to assembler.
10313 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
10314 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10315 (ASM_SPEC): Call subtarget_extra_asm_spec.
10317 2001-01-15 Andreas Jaeger <aj@suse.de>
10319 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
10321 (ix86_expand_builtin): Likewise.
10323 * gencodes.c (output_predicate_decls): Make i size_t to avoid
10324 warning about comparison between signed and unsigned.
10326 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10328 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
10330 2001-01-14 Ralf Baechle <ralf@gnu.org>
10332 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
10333 SUBTARGET_CPP_SPEC apropriatly.
10335 2001-01-12 Mark Mitchell <mark@codesourcery.com>
10337 * varasm.c (make_decl_rtl): Fix typo in last change.
10339 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
10341 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
10342 linker supports the init_priority C++ attribute.
10343 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
10344 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
10345 linker does not support init_priority C++ attribute.
10347 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
10349 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
10351 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10353 * c-parse.in (finish_parse): Add comment about cpp_destroy.
10354 * cp/lex.c (finish_parse): Similarly.
10355 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
10356 Return the number of errors encountered.
10357 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
10358 * cppmain.c (main): Don't call cpp_destroy.
10360 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
10362 * configure.in: Require at least perl 5.6.0 to regenerate
10364 * configure: Regenerate.
10366 2001-01-14 Richard Henderson <rth@redhat.com>
10368 * genrecog.c (DT_veclen_ge): New.
10369 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
10370 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
10371 (nodes_identical_1): Handle DT_veclen_ge.
10372 (write_cond, debug_decision_2): Likewise.
10374 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10376 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
10378 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
10380 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10382 * cppmain.c (do_preprocessing): New function; most of the old
10384 (main): Call it to do most of the work.
10385 (cb): Move from global scope to set_callbacks ().
10386 (setup_callbacks): Get the callback pointer.
10387 (general_init, printer_init): Clean up code and comments.
10389 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10391 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
10394 2001-01-14 Kazu Hirata <kazu@hxi.com>
10396 * config/h8300/h8300.c (get_shift_alg): Update comments.
10398 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10400 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
10401 (alloc_page, ggc_alloc): Add casts to remove warnings.
10403 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10405 * combine.c (simplify_comparison): Don't change `code' when
10406 can't reverse comparison.
10408 2001-01-14 Richard Henderson <rth@redhat.com>
10410 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
10411 update all call sites. Return true for all non-label constants.
10413 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
10415 * i386.c (ix86_expand_compare): Add bypass_test and second_test
10417 (ix86_expand_branch): Update.
10418 (ix86_expand_setcc): Update to handle multiple test conditions.
10419 (expand_int_movcc): Likewise.
10420 (expand_fp_movcc): Likewise.
10421 * i386-protos.h (ix86_expand_compare): New.
10422 * i386.md (andqi_?_slp, orqi_?_slp): New.
10423 (conditional trap expander): Update call to ix86_expand_compare.
10425 2001-01-14 Richard Henderson <rth@redhat.com>
10427 * config/vax/vax.md: Use nonimmediate_operand instead of
10428 general_operand in destinations.
10430 * config/vax/vax.md (indirect_jump): Use register_operand.
10432 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
10433 * config/vax/vax.md (call_pop): Turn into an expander.
10434 (call_value_pop): Likewise.
10435 (call, call_value): New.
10437 2001-01-14 Andreas Jaeger <aj@suse.de>
10439 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
10441 (ix86_fp_compare_mode): Add unused attribute.
10442 (ix86_expand_fp_movcc): Remove unused variable.
10443 (ix86_expand_builtin): Make fcode unsigned.
10445 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
10446 (expand_expr): Add cast to avoid signed warning.
10447 (store_field): Likewise.
10448 (store_constructor_field): Likewise.
10449 (store_constructor): Likewise.
10450 (store_expr): Likewise.
10451 (clear_storage): Likewise.
10452 (emit_group_store): Likewise.
10453 (emit_group_load): Likewise.
10455 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10457 * c-common.c: Move format checking code to ...
10458 * c-format.c: ... here. New file. Reorder some functions and
10460 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
10462 * c-common.h (decl_handle_format_attribute,
10463 decl_handle_format_arg_attribute): Declare.
10464 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
10465 (c-common.o): Adjust dependencies.
10466 (c-format.o): New list of dependencies.
10468 2001-01-13 Jakub Jelinek <jakub@redhat.com>
10470 * unroll.c (loop_iterations): If we cannot prove iteration variable
10471 is set once in each iteration, punt.
10473 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
10475 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
10476 (*strlenhi): Remove clobber (which was buggy) of output address.
10478 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10480 * Makefile.in (generated-manpages): Add gcc.1
10481 ($(srcdir)/gcc.1): New target.
10482 (maintainer-clean): Delete $(srcdir)/gcc.1.
10483 * gcc.texi: Add macros @gccoptlist and @gol.
10484 * invoke.texi: Include option summary in manpage. Mark up option
10485 summary with @gccoptlist and @gol. Use @r in one place where
10487 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
10488 * gcc.1: Generate from invoke.texi.
10490 2001-01-13 Richard Henderson <rth@redhat.com>
10492 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
10493 (struct page_entry): Add group member.
10494 (struct page_group): New.
10495 (struct globals): Add page_groups member.
10496 (alloc_anon): Only define for using mmap; remove valloc call.
10497 (page_group_index): New.
10498 (set_page_group_in_use): New.
10499 (clear_page_group_in_use): New.
10500 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
10501 (free_page, release_pages): Likewise.
10502 * configure.in (with-gc): Default to ggc-page always.
10504 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10506 * reload1.c (replace_pseudos_in_call_usage): Use
10507 reg_equiv_constant and reg_equiv_address, and don't try
10508 regno_reg_rtx first.
10510 2001-01-13 Richard Henderson <rth@redhat.com>
10512 * ggc-page.c (alloc_page): Round up allocation size to one page.
10513 Set e->order on extra pages.
10515 2001-01-13 Richard Henderson <rth@redhat.com>
10517 * genrecog.c (nodes_identical): Expand commentary.
10518 (write_switch): Watch out for identical nodes.
10520 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10522 * cppfiles.c (_cpp_fake_include): New function.
10523 * cpphash.h (_cpp_fake_include): New.
10524 * cpplib.c (do_line): Call _cpp_fake_include when entering
10525 header files in preprocessed input.
10526 * cppmain.c (cb_pragma_implementation): Remove handling.
10527 (setup_callbacks): Don't register pragmas.
10529 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10531 * extend.texi: Udate for CPP.
10533 2001-01-13 Andreas Jaeger <aj@suse.de>
10535 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
10537 * regmove.c: Add prototype for replace_in_call_usage.
10539 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10541 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
10542 struct cpp_chunk, struct htab, struct toklist,
10543 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
10544 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
10545 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
10546 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
10547 (struct macro_args): Delete.
10548 * cpphash.h: See above.
10550 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10552 * cppmain.c (struct printer): Remove no_line_dirs.
10553 (options, cb): New.
10554 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
10555 : Use options rather than CPP_OPTION.
10556 (setup_callbacks): Use cb rather than pfile->cb.
10557 (main): No need to check for a buffer. Use cpp_errors.
10558 (printer_init): Don't set no_line_dirs.
10559 (maybe_print_line): Use options not no_line_dirs.
10560 (cb_file_change): Don't call print_line if -P.
10562 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10564 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
10566 * c-parse.in (finish_parse): Use cpp_errors.
10567 (__yylex): Use return value of cpp_pop_buffer.
10568 * cp/lex.c (finish_parse): Use cpp_errors.
10569 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
10571 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
10573 * README.AVR: URLs corrected.
10575 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10577 * c-decl.c (start_function): Don't warn if old prototype is builtin
10578 that's not in C's namespace.
10579 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
10580 (_bb): Add prototype for ctime.
10581 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
10583 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
10585 * i386.c (ix86_fp_comparison_arithmetics_cost,
10586 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
10587 ix86_fp_comparison_cost): New functions.
10588 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
10589 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
10590 two-branch sequences; make static.
10591 (ix86_use_fcomi_compare): Do decision according to the costs.
10592 (split_fp_branch): New.
10593 * i386.md (compare-and-branch patterns): Use split_fp_branch.
10594 * i386-protos.h (ix86_expand_fp_compare): Remove
10595 (ix86_split_fp_branch): Declare.
10597 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
10598 and ix86_comparison_operator.
10600 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
10601 to make it cheaper.
10603 * i386.c (put_condition_code): Output properly the unordered/ordered
10604 compares in fp case.
10605 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
10607 * tm.texi (REVERSE_CONDITION): Document.
10608 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
10609 in -ffast-math mode.
10610 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
10612 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10614 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
10616 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
10619 * config/sh/sh.c (mova_p): Fix test for mova_const.
10621 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10623 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
10624 cpp_get_options rather than dereferencing pfile and using
10626 * scan-decls.c (scan_decls): Use return value of
10627 cpp_pop_buffer rather than CPP_BUFFER.
10629 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10631 * cppinit.c (cpp_handle_option): help_only is now part of the
10632 cpp_options structure.
10633 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
10634 cpp_set_callbacks): New functions.
10635 * cpplib.h (cpp_callbacks): Break out as a named structure.
10636 (cpp_options): Move help_only here from cpp_reader.
10637 (CPP_FATAL_ERRORS): Update to use cpp_errors.
10638 (cpp_errors, cpp_get_options, cpp_get_callbacks,
10639 cpp_set_callbacks): New prototypes.
10640 * cppmain.c (main): Update for help_only.
10642 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10644 * Makefile.in (info, maintainer-clean, install-info, uninstall):
10645 Also build and remove and install and uninstall c-tree.info and
10647 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
10648 ($(srcdir)/cppinternals.info): New target.
10649 * c-tree.texi: Change file name used when makeinfo used without -o
10650 from ir.info to c-tree.info. Add info directory entry.
10651 * cppinternals.texi: Add info directory entry.
10652 * .cvsignore: Update.
10654 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10656 * c-typeck.c (store_init_value): Don't require constant initializer
10657 elements with -pedantic -std=c99.
10658 (digest_init): Change error about non-constant initializer elements
10660 (constructor_range_end): Remove.
10661 (constructor_incremental, designator_depth,
10662 designator_errorneous): New variables.
10663 (struct constructor_stack): Remove range_end, add incremental.
10664 (struct constructor_range_stack, constructor_range_stack): New.
10665 (struct initializer_stack): Add constructor_range_stack.
10666 (finish_init): Set it.
10667 (start_init): Likewise. require_constant_elements for non-static
10668 trees only if not flag_isoc99.
10669 (really_start_incremental_init): Remove constructor_range_end, add
10670 constructor_incremental.
10671 (pop_init_level): Likewise.
10672 (push_init_level): Likewise. If implicit and the subobject had some
10673 value set already, preinitialize the level with it.
10674 Warn about missing braces only if not pushing due to designators.
10675 (set_designator, push_range_stack): New functions.
10676 (set_init_label): Use them.
10677 (set_init_index): Likewise. Remove constructor_range_end.
10678 Error if designator index is outside of array bounds.
10679 (add_pending_init): Compare values of purpose index trees, not the
10680 trees themselves. Allow overwriting of already initialized element.
10681 Issue a warning if it had side-effects.
10682 (set_nonincremental_init, set_nonincremental_init_from_string): New
10684 (pending_init_member): Rename to...
10685 (find_init_member): ...this function. Call set_nonincremental_init
10686 if necessary. Compare values of purpose index trees, not the trees
10687 themselves. Return the actual value, not just non-zero if something
10689 (output_init_element): Remove checks for duplicates.
10690 If field has zero size, only check the initializer for correctness.
10691 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
10692 if constructor_incremental is zero. Change error about initializers
10693 not computable at load time into pedwarn.
10694 (output_pending_init_elements): Compare bit positions, not
10695 FIELD_DECLs to take into account zero-sized fields.
10696 (process_init_element): Use constructor_range_stack to fill all
10697 ranges in the designator lists from current level up.
10698 * extend.texi: Update documentation for labeled elements.
10700 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
10702 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
10703 to function usage for arguments passed by reference. Optimize
10704 callee-copied arguments.
10705 * regmove.c (replace_in_call_usage): New function.
10706 (fixup_match_1): Call it.
10707 * cse.c (cse_insn): Canonicalize registers in function usage.
10708 * reload1.c (replace_pseudos_in_call_usage): New function.
10711 * Makefile.in: Reverted yesterday's wrong patch. Installed the
10714 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10716 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
10719 2001-01-12 DJ Delorie <dj@redhat.com>
10721 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
10722 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
10725 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10727 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
10728 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
10729 -std options alongside references to -ansi. Update some
10730 documentation for C99.
10731 * cpp.1: Regenerate.
10733 2001-01-12 Andreas Jaeger <aj@suse.de>
10735 * haifa-sched.c (restore_line_notes): Remove argument block B
10737 * sched-ebb.c (schedule_ebb): Change caller.
10738 * sched-rgn.c (schedule_region): Likewise.
10739 * sched-int.h (restore_line_notes): Adjust prototype.
10741 * loop.h: Remove wrong declaration of doloop_condition_get.
10743 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10745 * extend.texi: Move C++-extension-related node from the C section
10746 into the C++ section.
10748 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10750 * extend.texi: Refer to an array of pointers to functions instead
10751 of one of functions.
10753 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
10754 Jan Hubicka <jh@suse.cz>
10756 * combine.c (reversed_comparison): Fix typo in last patch.
10758 (combine_reversed_comparison_code): Make static to follow
10759 prototype declaration.
10761 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10763 * install.texi: Remove misplaced duplicate entry.
10765 2001-01-11 Ulrich Drepper <drepper@redhat.com>
10767 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
10769 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
10771 * final.c: (leaf_function_p): Fix typo.
10773 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
10775 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
10776 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10778 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
10779 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
10780 mmap_anon, and valloc is available.
10781 * ggc-page.c: Restructure ifdef logic to match new autoconf
10782 spec. Don't throw away the test page in init_ggc.
10784 * configure, config.in: Regenerate.
10786 2001-01-12 Michael Hayes <mhayes@redhat.com>
10788 * loop.h (total_biv_increment): Constify iv_class pointer.
10789 (struct induction): Replace `mem_mode' with `mem' rtx.
10790 * unroll.c (total_biv_increment): Constify iv_class pointer.
10791 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
10792 (find_mem_givs, combine_givs_p): Likewise.
10793 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
10795 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
10797 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
10799 (__gthread_getspecific): Ditto.
10801 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
10803 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
10804 put_condition_code): Convert fp comparison codes to integer
10806 (ix86_expand_fp_compare): Postnote the fp comparison code converison
10809 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
10810 * i386-protos.h (no_comparison_operator): Kill.
10812 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
10814 * combine.c (REVERSIBLE_CC_MODE): Remove.
10815 (reversible_comparison_p): Remove.
10816 (combine_reversed_comparison_code): New.
10817 (reversed_comparison): New.
10818 (combine_simplify_rtx): Use
10819 combine_reversed_comparison_code/reversed_comparison instead
10820 of reversible_comparison_p.
10821 (simplify_if_then_else): Likewise.
10822 (simplify_set): Likewise.
10823 (simplify_logical): Likewise.
10824 (if_then_else_cond): Likewise.
10825 (known_cond): Likewise.
10826 (simplify_comparison): Likewise.
10828 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
10830 * builtins.c (std_expand_builtin_va_start): Handle varargs when
10831 sizeof (int) is larger than sizeof(__word__).
10833 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10835 * cppinit.c (do_includes): Fix typo.
10837 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10839 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
10840 in S_REGS does not occur because not all sources are possible
10841 when a S_REGS is a destination (sometimes needs a clobber).
10842 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
10843 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
10844 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
10845 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
10846 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
10847 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
10848 (lshrdi_const1, lshrsi3_const16): Likewise.
10849 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
10850 (*movhi_68hc12, *movqi_68hc12): Likewise.
10851 (movstrictqi): Make sure reloading in D_REGS as a destination
10854 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10856 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10858 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10860 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
10861 -D, -U and -A, and don't initialize the builtins.
10862 (do_includes): Error if -include or -imacros with -fpreprocessed.
10863 * cppmain.c (cb_define, cb_undef): Unconditionally process
10865 * tradcpp.c (main): Fix typo.
10867 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
10869 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
10870 (read_name_map): Use IS_ABSOLUTE_PATH.
10871 * tradcpp.c (get_filename): Likewise.
10873 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10875 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
10876 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
10877 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
10878 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
10879 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
10880 (cmphi_z_used): Don't use '@' for the output.
10881 (tstqi_z_used): Likewise.
10882 (cmpqi_z_used): Likewise.
10883 (one_cmplsi2): Likewise.
10885 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10887 * config/sh/sh.c (barrier_align): Recognize branch around far
10888 branch and redundant insn.
10890 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10892 * invoke.texi: Restore documentation of the drivers' switches -MD
10895 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10897 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
10899 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
10900 check-objc//%): Support parallel testing of multilibs.
10901 (TESTSUITEDIR): Set to testsuite by default, but override for
10903 (check-gcc, check-g++, check-g77, check-objc): Enter
10906 2001-01-11 Bernd Schmidt <bernds@redhat.com>
10908 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
10909 * sched-deps.c (deps_may_trap_p): Likewise.
10910 * basic-block.h: Remove a comment.
10911 * flow.c (PROP_POSTRELOAD): Remove.
10912 (update_life_info): Don't add it to prop_flags.
10913 (mark_set_1): Lose the code that was enabled by it.
10915 2001-01-11 Michael Hayes <mhayes@redhat.com>
10917 * flow.c (flow_call_edges_add): New.
10918 * basic_block.h (flow_call_edges_add): New.
10920 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
10922 * reload1.c (move2add_note_store): Update reg_set_luid even if
10923 base reg remains the same.
10925 2001-01-10 Nick Clifton <nickc@redhat.com>
10927 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
10928 machine_function structure to zero.
10929 Add prototypes for machine_status functions.
10931 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10933 * c-common.h (CTI_VOID_LIST): Remove.
10934 (void_list_node): Likewise.
10935 * tree.h (TI_VOID_LIST_NODE): New enumeral.
10936 (void_list_node): New macro.
10937 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
10938 * config/i386/i386.c (ix86_init_builtins): Likewise.
10939 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
10941 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10943 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
10944 * cppinit.c (cpp_start_read): Update comment, remove unneeded
10946 * tradcpp.c: Include mkdeps.h.
10947 (deps, print_deps_phony_targets, deps_append, output_deps,
10948 init_dependency_output, output_deps): New.
10949 (deps_buffer, deps_allocated_size, deps_size, deps_column,
10950 deps_output): Delete.
10951 (print_deps_missing_files): Rename deps_missing_files.
10952 (inhibit_output): Make global.
10953 (main): Delete inhibit_output, deps_stream, deps_target.
10954 Use mkdeps functionality in the same way as cpplib. Remove
10955 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
10956 -M and -MM. Remove old handling of deps via deps_out, and
10957 old reading of environment variables.
10958 (get_filename): Update to use deps_add_dep.
10960 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10962 * output.h (make_function_rtl): Remove prototype.
10963 (make_decl_rtl): Likewise.
10964 * varasm.c (make_function_rtl): Remove.
10965 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
10966 than from a third parameter.
10967 * tree.h (make_decl_rtl): Remove last parameter.
10968 * c-decl.c (builtin_function): Remove last argument in call to
10969 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
10970 (start_function): Likewise.
10971 * except.c (call_get_eh_context): Likewise.
10972 * expr.c (emit_block_move): Likewise.
10973 (clear_storage): Likewise.
10974 * profile.c (output_func_start_profiler): Likewise.
10975 * toplev.c (rest_of_decl_compilation): Likewise.
10976 * objc/objc-act.c (create_builtin_decl): Likewise.
10977 (synth_module_prologue): Likewise.
10978 (generate_static_reference): Likewise.
10979 (build_selector_reference_decl): Likewise.
10980 (build_class_reference_decl): Likewise.
10981 (build_objc_string_decl): Likewise.
10982 (build_protocol_reference): Likewise.
10984 2001-01-10 Richard Henderson <rth@redhat.com>
10986 * hwint.h: Revert yesterday's change.
10988 2001-01-10 Nick Clifton <nickc@redhat.com>
10990 * function.h (save_machine_status): Delete.
10991 (restore_machine_status): Delete.
10992 Amend comment describing {init|mark|free}_machine_status.
10994 * function.c (save_machine_status): Delete.
10995 (restore_machine_status): Delete.
10996 Amend comment describing {init|mark|free}_machine_status.
10997 (push_function_context_to): Remove invocation of
10998 save_machine_status.
10999 (pop_function_context_from): Remove invocation of
11000 restore_machine_status.
11002 * emit-rtl.c (init_emit_once): Amend comment describing
11003 {init|mark|free}_machine_status.
11005 * tm.texi (Per-Function Data): New node. Describe the
11006 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
11009 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11011 * cppinit.c (OPT_g): Remove.
11012 (cpp_handle_option): Update for removed -g3.
11013 (print_help): Update.
11014 * cpplib.h (struct cpp_options): Remove debug_output.
11015 * cppmain.c (setup_callbacks, cb_define): Update.
11016 * gcc.c (cpp_options): Translate -g3 to -dD.
11018 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
11020 * config/i960/i960.md: Change modifier to + on the zero_extract
11021 pattern after the (rotate -2 reg) canonicalization pattern.
11023 2001-01-10 Richard Henderson <rth@redhat.com>
11025 * config/alpha/alpha.c (alpha_free_machine_status): New.
11026 (override_options): Install it.
11027 (alpha_mark_machine_status): Verify machine non-null.
11028 * config/i386/i386.c (ix86_free_machine_status): New.
11029 (override_options): Install it.
11030 (ix86_init_machine_status): Use xcalloc.
11031 (ix86_mark_machine_status): Verify machine non-null.
11032 * config/ia64/ia64.c (ia64_free_machine_status): New.
11033 (ia64_override_options): Install it.
11034 (ia64_mark_machine_status): Verify machine non-null.
11036 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
11038 * function.c (instantiate_virtual_regs): Instantiate virtual
11039 registers found in CALL_INSN_FUNCTION_USAGE.
11041 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11043 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
11044 equivalent to -ansi in disabling -Di386.
11046 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
11048 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
11050 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
11052 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
11054 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
11056 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11058 * invoke.texi: Document that -fcond-mismatch isn't supported for
11061 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11063 * gcc.texi: Define macro gcctabopt.
11064 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
11065 @command, @env and @option in some places where appropriate. Use
11066 @gcctabopt where appropriate. Put URLs and email addresses inside
11069 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
11071 * gcc.c (cpp_options): Set MD file name from output
11072 filename, if specified.
11073 (suffix_subst): New static variable.
11074 (do_spec): Clear it.
11075 (do_spec_1, case '.'): Handle new `%.suffix' spec.
11077 (give_switch): Handle suffix_subst.
11079 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11081 * invoke.texi: Fix another typo.
11083 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11085 * invoke.texi: Fix typo.
11087 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11089 * c-lang.c (lang_hooks): Update.
11090 (lang_decode_option): Remove.
11091 (lang_init_options): Rename c_init_options.
11092 * toplev.c (main): Use lang_hooks for lang_init_options
11093 and lang_decode_option.
11094 * toplev.h (lang_hooks): Add 2 new hooks.
11095 * tree.h: Remove lang_init_options and lang_decode_option.
11096 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
11097 * cp/decl2.c: Similarly.
11098 * cp/lex.c (lang_init_options): Rename cxx_init_options.
11099 (lang_hooks): Update.
11100 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
11102 (lang_init_options): Rename ffe_init_options.
11103 (lang_hooks): Update.
11104 (lang_decode_option): Remove.
11105 * java/lang.c (lang_init_options): Rename java_init_options.
11106 (lang_decode_option): Rename java_decode_option.
11107 (lang_hooks): Update.
11108 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
11109 (lang_decode_option): Rename objc_decode_option.
11110 (lang_hooks): Update.
11112 2001-01-09 Nick Clifton <nickc@redhat.com>
11114 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
11115 (d30v_return_addr_rtx): Delete.
11116 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
11117 cfun->machine structure.
11118 (struct machine_function): Move to d30v.h
11119 (d30v_save_machine_status): Delete.
11120 (d30v_restore_machine_status): Delete.
11121 (d30v_init_machine_status): New Function.
11122 (d30v_mark_machine_status): New Function.
11123 (d30v_free_machine_status): New Function.
11124 (d30v_init_expanders): Use new functions.
11125 (d30v_return_addr): Use ra_rtx field in cfun->machine.
11126 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
11127 d30v_return_addr_rtx.
11129 * config/d30v/d30v.h (struct_machine): Move here.
11130 Add eh_epilogue_sp_ofs field.
11132 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
11133 field in cfun->machine structure.
11135 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
11137 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
11138 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
11139 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11141 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
11143 * objc/lang-options.h: Remove bogus reference to
11146 2001-01-09 Kazu Hirata <kazu@hxi.com>
11148 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
11151 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
11153 * reload.c (find_reloads_address): Check for eliminable registers
11154 when substituting a constant expression for a pseudo.
11156 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
11158 * c-common.c (enum format_type): Add format_type_error.
11159 (decode_format_type): New function.
11160 (decl_attributes): Use it.
11161 (format_kind_info): Adjust comment.
11163 2001-01-09 David O'Brien <obrien@BSDi.com>
11165 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
11166 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
11168 * config/i386/gnu.h: Don't include required platform specific .h files,
11169 tm.h will do it instead.
11170 * config/i386/i386elf.h: Likewise.
11171 * config/i386/linux.h: Likewise.
11172 * config/i386/moss.h: Likewise.
11173 * config/mips/gnu.h: Likewise.
11175 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11177 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
11178 (rs6000-ibm-aix3.[01]*): Likewise.
11179 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
11180 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
11181 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
11182 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
11183 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
11184 (powerpc-*-eabiaix*): Likewise.
11185 (powerpc-*-eabisim*): Likewise.
11186 (powerpc-*-elf*): Likewise.
11187 (powerpc-*-eabi*): Likewise.
11188 (powerpc-*-rtems*): Likewise.
11189 (powerpc-*-linux*libc1): Likewise.
11190 (powerpc-*-linux*): Likewise.
11191 (powerpc-wrs-vxworks*): Likewise.
11192 (powerpcle-wrs-vxworks*): Likewise.
11193 (powerpcle-*-sysv*): Likewise.
11194 (powerpcle-*-elf*): Likewise.
11195 (powerpcle-*-eabisim*): Likewise.
11196 (powerpcle-*-eabi*): Likewise.
11197 (powerpcle-*-solaris2*): Likewise.
11198 * config/rs6000/aix31.h: Delete includes.
11199 * config/rs6000/aix3newas.h: Likewise.
11200 * config/rs6000/aix41.h: Likewise.
11201 * config/rs6000/aix43.h: Likewise.
11202 * config/rs6000/beos.h: Likewise.
11203 * config/rs6000/rtems.h: Likewise.
11204 * config/rs6000/sysv4.h: Likewise.
11206 2001-01-09 Kazu Hirata <kazu@hxi.com>
11208 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
11209 Change an argument mode of machine_mode to shift_mode of
11210 shift_mode. Remove an extra error check.
11211 (emit_a_shift): Adopt to the new calling prototype of
11213 (function_prologue): Fix code for a monitor
11214 function. Support H8/S.
11215 (function_epilogue): Do not output pop for a monitor function.
11217 2001-01-09 Nick Clifton <nickc@redhat.com>
11219 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
11220 (setup_incoming_varargs): Use sysv_varargs_p field of the
11221 cfun->machine structure.
11222 (struct machine_function): Move to rs6000.h
11223 (rs6000_save_machine_status): Delete.
11224 (rs6000_restore_machine_status): Delete.
11225 (rs6000_init_machine_status): New Function.
11226 (rs6000_free_machine_status): New Function.
11227 (rs6000_init_expanders): Use new functions.
11229 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
11231 (struct machine_function): Move here.
11233 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
11234 sysv_varargs_p field of the cfun->machine structure.
11236 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
11238 (rs6000_restore_machine_status): Remove prototype.
11240 2001-01-09 Richard Henderson <rth@redhat.com>
11242 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
11243 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
11244 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
11245 (sched_analyze_2, sched_analyze_insn): Likewise.
11246 (sched_analyze, init_deps): Likewise.
11247 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
11248 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
11249 (compute_block_backward_dependences): Update propagate_deps call.
11251 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
11253 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
11255 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11257 * cppinit.c (OPT_MD, OPT_MMD): Restore.
11258 (cpp_handle_option): Handle them.
11259 (cpp_post_options): Ensure one of -M or -MM is specified with
11260 any other -M? option.
11261 (init_dependency_output): Suppress output with -MG.
11263 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11265 * cpp.texi: Update.
11266 * invoke.texi: Update.
11268 2001-01-09 Bernd Schmidt <bernds@redhat.com>
11270 * sh.md (reload_outsf): Generate recognizable patterns for
11273 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11275 * c-lang.c (lang_hooks): Update.
11276 (lang_init): Rename c_init.
11277 (lang_finish): Remove.
11278 * toplev.c (compile_file): Use lang_hooks for lang_init ()
11279 and lang_finish ().
11280 * toplev.h (lang_hooks): Add init () and finish ().
11281 * tree.h (lang_init, lang_finish): Remove.
11282 * cp/tree.h (lang_init, lang_finish): Remove.
11283 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
11284 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
11286 (lang_init, lang_finish): Remove.
11287 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
11288 (lang_hooks): Update.
11289 * java/lang.c (lang_init): Rename java_init.
11290 (lang_finish): Remove.
11291 (lang_hooks): Update.
11292 * objc/objc-act.c (lang_init): Rename objc_init.
11293 (lang_finish): Remove.
11294 (lang_hoooks): Update.
11296 20001-01-09 Graham Stott <grahams@redhat.com>
11298 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
11299 after `ptr` is initialised.
11301 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11303 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
11304 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
11305 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
11306 stack adjusts, instead of r3.
11308 2001-01-09 Michael Hayes <mhayes@redhat.com>
11310 * flow.c (flow_loop_scan): Break out of ...
11311 (flow_loops_find) ... here.
11312 * basic-block.h (flow_loop_scan): New.
11313 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
11314 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
11316 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11318 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
11320 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
11321 realloc()ing macro_buffer.
11323 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
11324 if it's wider than long and the target's long is wider than the
11327 2001-01-09 Mark Mitchell <mark@codesourcery.com>
11329 Remove support for using UWIN as a host machine.
11330 * configure.in: Issue an error message.
11331 * configure: Regenerated.
11332 * config.gcc: Remove xm_* UWIN configury.
11333 * config/i386/xm-uwin.h: Remove.
11335 2001-01-08 Nick Clifton <nickc@redhat.com>
11337 * config/v850/v850.c (ra_rtx): Delete.
11338 (v850_save_machine_status): Delete.
11339 (v850_restore_machine_status): Delete.
11340 (v850_init_machine_status): New function.
11341 (v850_mark_machine_status): New function.
11342 (v850_free_machine_status): New function.
11343 (v850_return_addr): Use ra_rtx field in machine structure.
11344 (v850_init_expanders): Use new functions.
11346 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
11347 * config/v850/v850.c: Change arguments to v850_output+* functions
11348 to take a const char *, to avoid compile time warning.
11349 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
11350 (USER_LABEL_PREFIX): Redefine.
11352 2000-01-08 Jim Wilson <wilson@redhat.com>
11354 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
11355 1 to unsigned HOST_WIDE_INT before left shift.
11357 2001-01-08 Nick Clifton <nickc@redhat.com>
11359 * config/arm/arm.c (arm_mark_machine_status): Check to see if
11360 the machine structure has been allocated.
11361 (arm_free_machine_status): New function: Free the machine
11362 specific function structure.
11364 2001-01-08 Richard Henderson <rth@redhat.com>
11366 * jump.c (simplejump_p): Revert last change.
11368 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
11370 * cppinit.c (init): Rename init_library.
11371 (cpp_create_reader): Update.
11372 * gcc.c (cpp_options): If -o given, use it as the target of
11375 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11377 * arm.c (arm_arch5e): New variable.
11378 (all_cores): XScale is a 5TE device.
11379 (arm_override_options): Set arm_arch5e.
11380 (arm_init_builtins): __builtin_prefetch is in arch5e.
11381 * arm.h (arm_arch5e): Declare it.
11383 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
11385 * arm.md (define_constants): Add defines for UNSPEC and
11386 UNSPEC_VOLATILE insns. Update all users.
11387 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
11388 * arm.c (multi_register_push, note_invalid_constants)
11389 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
11390 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
11391 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
11393 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
11395 * jump.c (jump_optimize_1): Use reversed_comparison_code
11396 instead of can_reverse_comparison_p.
11397 (jump_back_p): Likewise.
11398 (invert_exp_1): Likewise.
11399 (thread_jumps): Likewise.
11400 * simplify-rtx.c (simplify_unary_operation): Likewise.
11401 (simplify_ternary_operation): Likewise.
11402 * cse.c (find_comparison_args): Convert to use
11403 can_reverse_comparison_p.
11404 (record_jump_equiv): Likewise.
11406 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11408 * arm.h (HARD_REGNO_RENAME_OK): Delete.
11409 (EPILOGUE_USES): Define.
11410 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
11411 automatically stack the LR if it isn't live.
11413 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
11415 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
11418 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
11420 * ggc-page.c (max_alignment): New structure.
11421 (MAX_ALIGNMENT): New macro.
11422 (init_ggc): Use it to round up the sizes in the
11423 extra_order_size_table.
11425 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11427 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
11430 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11432 * builtins.def (BUILT_IN_FPRINTF): New entry.
11434 * c-common.c (c_expand_builtin_fprintf): New function.
11435 (init_function_format_info): Handle __builtin_fprintf.
11436 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
11437 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
11439 * c-decl.c (duplicate_decls): Adjust comment.
11441 * extend.texi (fprintf): Document new builtin.
11443 2001-01-07 Richard Henderson <rth@redhat.com>
11445 * jump.c (simplejump_p): Recognize any single_set jump
11446 of the proper form.
11448 2001-01-07 Richard Henderson <rth@redhat.com>
11450 * configure.in (slibdir): Accept an --with-slibdir option.
11451 Use "test" not "[" in configure. Default to $(libdir).
11453 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
11455 * config/t-aix43 (SHLIB_INSTALL): Likewise.
11456 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
11457 (SHLIB_LINK): Create links for the soname.
11458 * config/mips/t-iris6: Likewise.
11459 * config/sparc/t-slibgcc: Likewise.
11460 * config/sparc/t-slibgcc-sld: Likewise.
11462 2001-01-07 Jakub Jelinek <jakub@redhat.com>
11464 * config/i386/i386.c (constant_call_address_operand): Accept
11465 (const (plus (symbol_ref) (const_int))).
11466 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
11467 constant_call_address_operand.
11469 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11471 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
11472 and LONG_LONG_TYPE_SIZE > 32.
11474 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11476 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
11477 the previous change.
11479 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
11481 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
11483 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
11484 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
11485 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
11488 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11490 * fix-header.c (read_scan_file): s/pfile/scan_in/.
11492 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11494 * c-lang.c (c_post_options): Call cpp_post_options.
11495 * objc/objc-act.c (objc_post_options): Similarly.
11496 * cppmain.c (main): Similarly.
11497 * fix-header.c (read_scan_file): Similarly.
11498 * cppinit.c (cpp_start_read): Move option consistency checks
11499 to cpp_post_options. Don't call init_dependency_output.
11500 If needed, add default target and main file dependency.
11501 (OPT_MD, OPT_MMD): Remove.
11503 (cpp_handle_option): Update for OPT_* changes.
11504 (cpp_post_options): New.
11505 (init_dependency_output): Command line -MF overrides environment
11506 variables. Don't set default target etc. Suppress output
11507 if dependencies are going to stdout.
11508 (print_help): Update.
11509 * cpplib.h (cpp_post_options): New.
11510 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
11512 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
11514 * jump.c (comparison_dominates_p): Support unordered compares.
11516 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
11518 * simplify-rtx.c (simplify_relational_operation): Always simplify
11519 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
11522 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
11524 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
11525 (nonzero_bits): Likewise.
11526 (simplify_comparison): Likewise.
11527 (num_sign_bit_copies): Likewise; return more sane value depending
11528 on STORE_FLAG_VALUE.
11529 (known_cond): Do not assume EQ to be always true for equivalent
11532 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
11534 * cse.c (fold_rtx): Handle unordered comparisons.
11536 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
11538 * rtlanal.c (set_of_1): New static function.
11539 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
11540 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
11541 reg_set_last_last_regno): Remove.
11542 (set_of): New global function.
11543 (set_of_data): New structure.
11544 (reg_set_p, reg_set_last): Revamp for set_of.
11545 * rtl.h (set_of): New.
11547 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
11549 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
11550 * extend.texi: Document _Exit builtin.
11552 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11554 * (initialize, initialize_builtins,
11555 initialize_dependency_output, initialize_standard_includes):
11556 Rename s/initialize/init. Update.
11557 (init_dependency_output): Move to after
11558 cpp_handle_options, the correct location temporally at least.
11559 (opt_comp): Move next to init (), its caller. Fix prototype.
11560 (init): Make "initialized" local scope.
11561 (cpp_create_reader): Always call init ().
11562 (cpp_start_read): Update.
11563 (output_deps): New function, broken out of cpp_finish.
11564 (cpp_finish): Break out output_deps.
11566 2001-01-07 Richard Henderson <rth@redhat.com>
11568 * collect2.c (COFF specific stuff): Revert 12-06 patch
11569 to prototype system functions.
11571 2001-01-07 Michael Hayes <mhayes@redhat.com>
11573 * hard-reg-set.h: Add multiple include guard.
11574 * basic-block.h (struct loop): Add `sink' field.
11575 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
11576 (emit_iv_add_mult): Delete.
11577 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
11578 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
11579 (unroll_loop): Remove end_insert_before argument.
11580 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
11581 (maybe_eliminate_biv_1): Likewise.
11582 (emit_iv_add_mult): Delete.
11583 (gen_add_mult, loop_regs_update): New.
11584 (loop_insn_emit_after, loop_insn_emit_before): New.
11585 (loop_insn_sink, loop_insn_sink_or_swim): New.
11586 (emit_iv_add_mult): Delete.
11587 (scan_loop): Set loop->sink.
11588 (loop_givs_reduce): Use loop_insn_sink and its ilk.
11589 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
11590 (maybe_eliminate_biv_1): Likewise.
11591 (maybe_eliminate_biv_1): Add basic block argument.
11592 * unroll.c (unroll_loop): Remove end_insert_before argument.
11593 (find_splittable_regs): Likewise.
11594 (find_splittable_regs): Use loop_insn_sink and its ilk.
11595 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
11597 2001-01-07 Michael Hayes <mhayes@redhat.com>
11599 * loop.h (loop_insn_hoist): New prototype.
11600 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
11601 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
11602 (check_dbra_loop, load_mems): Likewise.
11603 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
11604 (find_splittable_givs): Likewise.
11606 2001-01-07 Michael Hayes <mhayes@redhat.com>
11608 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
11610 2001-01-07 Richard Henderson <rth@redhat.com>
11612 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
11614 2001-01-07 Richard Henderson <rth@redhat.com>
11616 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
11617 NO_SHARED_LIBGCC_MULTILIB as required for the target.
11618 * gcc.c (init_spec): Massage the existing libgcc_spec into a
11619 variant that handles a shared libgcc.
11620 (process_command): Always validate -{static,shared}-libgcc.
11621 (do_spec_1): New 'M' case.
11622 * invoke.text (Link Options): Document -{static,shared}-libgcc.
11624 2001-01-07 Richard Henderson <rth@redhat.com>
11626 * Makefile.in (slibdir): New variable.
11627 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
11628 (installdirs): Create slibdir.
11629 (install-libgcc, install-multilib): Defer to libgcc.mk.
11630 * configure.in (slibdir): Substitute.
11631 * mklibgcc.in (install): New target.
11633 * config/t-linux (SHLIB_LINK): Create links for the soname.
11634 (SHLIB_INSTALL): New.
11635 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
11636 * config/mips/t-iris6 (SHLIB_INSTALL): New.
11637 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
11638 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
11639 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
11641 2001-01-07 Richard Henderson <rth@redhat.com>
11643 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
11644 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
11645 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
11647 2001-01-07 Michael Hayes <mhayes@redhat.com>
11649 * loop.c (count_loop_regs_set): Delete.
11650 (load_mems_and_recount_loop_regs_set): Delete.
11651 (loop_regs_scan): Merge common code from count_loop_regs_set,
11652 scan_loop, and load_mems_and_recount_loop_regs_set.
11653 (scan_loop): Call load_mems directly and loop_regs_scan
11654 again if new registers created.
11656 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11658 * toplev.c (main): Call the front-end specific post_options
11659 hook if one is given.
11660 * toplev.h (struct_lang_hooks, lang_hooks): New.
11661 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
11662 for the C front end.
11663 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
11664 lang_hooks for the C++ front end.
11665 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
11666 lang_hooks for the ObjC front end.
11667 * f/com.c (lang_hooks): Hooks for the Fortran front end.
11668 * java/lang.c (lang_hooks): Hooks for the Java front end.
11670 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11672 * c-lex.c (init_c_lex): Request #define / #undef callbacks
11673 for verbose DWARF[2] debugging.
11674 (cb_define, cb_undef): The new callbacks.
11675 * toplev.h (debug_define, debug_undef): Make const correct.
11676 * toplev.c (debug_define, debug_undef): Similarly. Do not
11677 perform the verbosity tests here anymore.
11679 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
11681 * reload.c (subst_reloads): Take INSN argument. When
11682 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
11683 * reload.h (subst_reloads): Adjust prototype.
11684 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
11685 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
11686 present in JUMP_INSNs and copy them to JUMP_LABEL.
11687 * flow.c (find_label_refs, find_basic_blocks_1): Skip
11688 JUMP_INSNs and insns with REG_LABELs that are followed by
11689 JUMP_INSNs with the same REG_LABEL.
11690 * sched-rgn.c (is_cfg_nonregular): Likewise.
11691 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
11693 * unroll.c (unroll_loop): Look for REG_LABEL notes in
11695 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
11697 2001-01-06 Richard Henderson <rth@redhat.com>
11699 * loop.c (scan_loop): Use xcalloc for the regs array.
11700 (load_mems_and_recount_loop_regs_set): Zero the new memory
11701 received from xrealloc.
11703 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
11705 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
11707 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
11709 * integrate.c (copy_rtx_and_substitute): When copying
11710 an ignored return value, strip REG_FUNCTION_VALUE_P.
11712 2001-01-06 Michael Hayes <mhayes@redhat.com>
11714 * loop.c (debug_biv, debug_giv): New.
11715 (loop_biv_dump): Break out from ...
11716 (record_biv): ... here.
11717 (loop_giv_dump): Break out from ...
11718 (record_giv): ... here.
11719 (loop_bivs_check): Use print_simple_rtl.
11720 * unroll.c (loop_iterations): Use print_simple_rtl.
11722 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
11724 * pa.md (return, return_internal): Modify patterns to prevent regrename
11725 mucking with the return pointer.
11727 2001-01-05 Richard Henderson <rth@redhat.com>
11729 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
11731 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
11733 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
11734 version supplied by Matteo Frigo.
11736 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11738 * cpp.texi: Update for -MQ.
11739 * cppinit.c (cpp_create_reader): Always create pfile->deps.
11740 (cpp_cleanup): Always free pfile->deps.
11741 (initialize_dependency_output): Don't create pfile->deps.
11742 (cpp_handle_option): Similarly.
11744 * gcc.c (cpp_options): Handle -MQ.
11745 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11746 * mkdeps.c (base_name): Remove.
11747 (deps_init): Don't allocate vector space until it's needed.
11748 (deps_free): Only free vectors if allocated.
11749 (deps_add_target, deps_add_dep): Update for initial allocation.
11750 (deps_add_default_target): Don't strip to the base_name.
11752 2001-01-05 DJ Delorie <dj@redhat.com>
11754 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
11755 (INIT_EXPANDERS): Define.
11757 * config/v850/v850.c (struct machine_function): Define.
11758 (v850_save_machine_status): New function.
11759 (v850_restore_machine_status): New function.
11760 (v850_return_addr): New function.
11761 (v850_init_expanders): New function.
11763 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
11764 and v850_init_expanders.
11766 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11768 * cpplib.h (struct cpp_reader): Add help_only field.
11769 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
11770 (cpp_handle_option): Set pfile->help_only if we see -h,
11771 --help, -target-help, or --version. Print version string but
11772 do not set help_only if we see -v or -version. Make text
11773 printed by -v match that printed by (-)-version.
11775 * cppmain.c (main): Exit after option parsing if
11776 pfile->help_only is true.
11778 * toplev.c (independent_decode_option): Call print_version,
11779 then exit, if we see --version (but not -version).
11780 (print_version): Split lengthy message into two lines.
11782 2001-01-05 Nick Clifton <nickc@redhat.com>
11784 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
11785 temporary string for initialisation before calling ggc_alloc_string.
11787 2001-01-06 Michael Hayes <mhayes@redhat.com>
11789 * rtl.h (print_simple_rtl): New.
11790 * print-rtl.c (print_simple_rtl): New.
11791 (flag_simple): New.
11792 (print_rtx): Disable printing of flags and modes, etc.,
11793 if `flag_simple` nonzero.
11795 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11797 * function.c (fixup_var_refs): Use push_to_full_sequence where
11800 2001-01-05 Michael Meissner <meissner@redhat.com>
11802 * flags.h (flag_reorder_blocks): Add declaration.
11803 (flag_rename_block): Ditto.
11805 2001-01-05 DJ Delorie <dj@redhat.com>
11807 * function.c (reorder_blocks): Make sure the flags are all reset
11808 before using them to mark blocks, else a second invocation will
11809 corrupt the block chain.
11810 (reorder_blocks_0): New, resets the flags.
11812 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
11814 * cse.c (find_comparison_args): Stop if the argument is known to
11817 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11819 * config/sh/sh.md (movdf): When splitting load into pair of
11820 registers, don't clobber the register used in the address too
11823 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
11825 * varasm.c (mark_constant_pool): Improve initial comments.
11826 (mark_constants): Move marking of constants to mark_constant.
11827 (mark_constant): New function to recursively mark all constants
11828 referred to by a constant.
11830 2001-01-05 Catherine Moore <clm@redhat.com>
11832 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
11834 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11836 * cp/lang-options.h: Bring comment in line with reality.
11837 * f/lang-options.h: Likewise.
11838 * java/lang-options.h: Likewise.
11839 * objc/lang-options.h: Likewise.
11840 * ch/lang-options.h: Likewise.
11841 * f/g77.texi: And update the manual.
11843 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
11844 Denis Chertykov <denisc@overta.ru>
11846 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
11847 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
11848 * config/avr/avr.md (all peepholes that request a scratch register):
11849 Call it, FAIL the peephole if not safe (in interrupt functions).
11851 2001-01-05 Mark Mitchell <mark@codesourcery.com>
11853 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
11855 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
11857 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
11859 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
11860 BUILT_IN_CREAL and BUILT_IN_CIMAG.
11861 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
11862 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
11863 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
11865 * extend.texi: Document these builtins.
11867 2001-01-05 Daniel Berlin <dberlin@redhat.com>
11869 * c-common.c (lang_get_alias_set): Say we know nothing of
11870 VECTOR_TYPE aliasing.
11872 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
11874 2001-01-05 Bruce Korb <bkorb@gnu.org>
11876 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
11877 their x* equivalent versions for atexit-less systems
11878 * fixinc/fixincl.c(main): do not return from main() on atexit-less
11879 systems (or any other system any more).
11881 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
11883 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
11884 output operands. Use arm_hard_register_operand for operand 4.
11885 (stmsi_postinc): Similarly.
11886 (ldmsi): Use arm_hard_register_operand for opernand 2.
11887 (stmsi): Similarly.
11888 * arm.c (arm_hard_register_operand): New function.
11889 * arm-protos.h (arm_hard_register_operand): Prototype it.
11891 * arm.h (HARD_REGNO_RENAME_OK): Define.
11893 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
11895 * simplify-rtx.c (cfc_args): add "unordered" field.
11896 (check_fold_consts): Set unordered field.
11897 (simplify_relational_operation): Simplify the unordered
11900 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
11903 * emit-rtl.c (try_split): Fix code to mark labels.
11904 * jump.c (mark_jump_label): Make global.
11905 * rtl.h (mark_jump_label): Declare.
11907 * predict.c (estimate_probability): Handle unordred comparisons.
11909 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11911 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
11912 * cppinit.c (initialize_dependency_output): Update.
11913 (cpp_finish): Output dummy targets for -MP.
11915 (cpp_handle_option): Handle -MP. Don't quote -MT options.
11916 * cpplib.h (struct cpp_options): Add deps_phony_targets.
11917 * gcc.c (cpp_options): Update to handle -MP.
11918 * mkdeps.c (deps_add_target, deps_add_default_target): Update
11919 to quote only the default target.
11920 (deps_phony_targets): Insert a preceding newline. Rename from
11921 deps_dummy_targets for consistency.
11924 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11926 * calls.c (emit_library_call_value_1): Support
11927 INIT_CUMULATIVE_LIBCALL_ARGS.
11928 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
11930 2001-01-04 Richard Henderson <rth@redhat.com>
11932 * c-decl.c (finish_struct): Detect flexible array members
11933 used in an inappropriate context.
11934 * c-typeck.c (really_start_incremental_init): Special case
11935 constructor_max_index for zero length arrays.
11936 (pop_init_level): Allow initialization of flexible array
11937 members. Deprecate initialization of zero length arrays.
11938 Don't issue missing initializer warning for flexible array
11939 members or zero length arrays.
11940 (process_init_element): Don't dereference null DECL_SIZE.
11941 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
11942 Don't abort for empty constructors. Use size_binop
11943 (output_constructor): Add commentary regarding zero length
11944 array futures. Abort if we try to initialize an array of
11945 unspecified length with a non-empty constructor in the middle
11948 * extend.texi (Zero Length): Update and clarify documentation
11949 on static initialization.
11951 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11953 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
11954 with more than 32767 words of local storage.
11956 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11958 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
11959 for 'abs', 'labs', and 'fabs'.
11960 (c4x_expand_builtin): Likewise.
11961 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
11963 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11965 * config/sh/sh.md (prget, prset): New insn types.
11966 (return delay slot): Dont' allow prset.
11967 (call, sfunc delay slot): Don't allow prget.
11968 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
11969 for prset and prget.
11971 2001-01-05 Michael Hayes <mhayes@redhat.com>
11973 * loop.h (struct loop_reg): New.
11974 (struct loop_regs): Change to use array of `struct loop_reg'.
11975 * loop.c: Replace assortment of varrays with single regs array.
11976 (count_one_set): Delete may_not_move array argument
11977 and use regs array instead. All caller's changed.
11978 (count_loop_regs_set): Delete may_not_move and single_usage
11979 arguments and use regs array instead. All caller's changed.
11980 (find_single_use_in_loop): Replace usage array argument with pointer
11981 to regs structure. All caller's changed.
11982 (loop_optimize): Delete `moved_once' array.
11984 2001-01-05 Michael Hayes <mhayes@redhat.com>
11986 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
11987 Use it instead of loop_info->has_call for scanning loop mems.
11988 (check_dbra_loop): Replace loop_info->has_call test with
11989 loop_info->has_nonconst_call.
11991 2000-01-04 Matthew Hiller <hiller@redhat.com>
11993 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
11996 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11998 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
11999 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
12001 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12003 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
12004 (flag_short_double, flag_short_wchar): Define.
12005 (c_common_nodes_and_builtins): Create many tree nodes shared
12006 between C and C++ here instead of in cp/decl.c and ...
12007 * c-decl.c (init_decl_processing): ... here.
12008 (SIZE_TYPE, WCHAR_TYPE): Don't define.
12009 (flag_short_double, flag_short_wchar): Don't define.
12010 (record_builtin_type): New function.
12011 (build_void_list_node): New function.
12012 * c-common.h (flag_short_double, flag_short_wchar,
12013 record_builtin_type, build_void_list_node): Declare.
12015 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
12017 * integrate.c (expand_inline_function): Don't put a virtual
12018 register into the reg map.
12020 * function.c (fixup_var_refs_1): If force_operand didn't put
12021 the address into the target, move it there.
12023 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12025 Special-case tree_decl/tree_list allocations.
12026 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
12027 (OBJECT_SIZE): New macro.
12028 (NUM_EXTRA_ORDER): Likewise.
12029 (extra_order_size_table): New variable.
12030 (NUM_ORDERS): New macro.
12031 (objects_per_page_table): New variable.
12032 (object_size_table): New variable.
12033 (G.pages): Use NUM_ORDERS to bound the array.
12034 (G.page_tails): Likewise.
12035 (DIV_ROUND_UP): Remove.
12036 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
12037 (alloc_page): Use OBJECT_SIZE.
12038 (size_lookup): Don't make it const.
12039 (ggc_alloc): Use OBJECT_SIZE.
12040 (ggc_set_mark): Likewise.
12041 (ggc_get_size): Likewise.
12042 (init_ggc): Set up the object_size_table, objects_per_page_table,
12043 and adjust size_lookup.
12044 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
12045 (ggc_pop_context): Use NUM_ORDERS.
12046 (clear_marks): Likewise.
12047 (sweep_pages): Likewise.
12048 (poison_pages): Likewise.
12049 (ggc_print_statistics): Use OBJECT_SIZE.
12051 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12053 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
12054 Only call array_size_for_constructor if last field and array type
12055 with no upper bound.
12057 2001-01-04 Philip Blundell <philb@gnu.org>
12059 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
12060 from bit 31 downwards, if this requires no more insns.
12061 (count_insns_for_constant): New helper function for above.
12063 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
12065 * gencodes.c (output_predicate_decls): Remove empty initializer.
12067 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12069 * tree.c (copy_node): Remove documentation about obstacks.
12070 (buidl1): Check that nobody tries to build 2-argument nodes this
12073 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12075 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
12078 * gencodes.c (output_predicate_decls): Fill empty initializer
12081 2001-01-04 Jakub Jelinek <jakub@redhat.com>
12083 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
12084 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
12086 (do_include): Handle missing headers like cpp0.
12087 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
12088 paths with first include pathname. Don't strcat to uninitialized
12091 2001-01-04 Bernd Schmidt <bernds@redhat.com>
12093 * regrename.c (regrename_optimize): Don't rename from frame pointer
12094 if frame_pointer_needed.
12095 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
12096 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
12097 (ia64_reorg): Use it instead of scheduling if ! optimize.
12098 (errata_emit_nops): Properly call asm_noperands.
12099 (ia64_sched_reorder): Finish cycle if we see an asm.
12100 (ia64_variable_issue): Clear scheduling state after asms.
12102 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
12104 * cpp.texi: Update for -MT.
12105 * cppinit.c (initialize_dependency_output): Add a default
12106 target if none has been given already.
12107 (no_tgt, OPT_MT): New.
12108 (cpp_handle_option): Handle -MT. Update -M etc.
12109 * cpplib.h (struct cpp_options): Remove deps_target.
12110 * gcc.c (cpp_options): Handle -MT.
12111 * mkdeps.c (struct deps): Move from mkdeps.h.
12112 (deps_calc_target): Rename deps_add_default_target. Add a
12113 default target if none has been specified already.
12114 * mkdeps.h (struct deps): Move to mkdeps.c.
12115 (deps_calc_target): Rename deps_add_default_target.
12117 2000-01-03 Richard Henderson <rth@redhat.com>
12119 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
12121 * c-typeck.c (push_init_level): Move checks for flexible array
12122 members and zero length arrays ...
12123 (pop_init_level): ... here. Silently discard empty initializations.
12125 * varasm.c (output_constructor): Update for sizeof change to
12126 zero-length arrays.
12128 * extend.texi (Zero Length): Clarify semantics.
12130 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12132 * configure.in (tm.h): Include isns-codes.h last.
12133 * configure: Rebuilt.
12135 2001-01-03 Richard Henderson <rth@redhat.com>
12137 * config/alpha/alpha.md (addvsi3, addvdi3): New.
12138 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
12140 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12142 * tradcpp.c (main): Make sure finclude() is called with a valid
12143 indepth value while handling -include.
12145 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12147 * gencodes.c (output_predicate_decls): New function.
12149 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
12150 even if it is not the first time machmode.h is #included.
12151 * config/sh/sh.c (fpul_operand): Declare MODE argument.
12152 * tm.texi (PREDICATE_CODES): Document predicate declarations.
12153 * gcc.texi (Copyright): Added 2001.
12155 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12157 * c-common.c (c_common_lang_init): New function. Warn if format
12158 warning options which only have effects when used with -Wformat
12159 are used without -Wformat.
12160 * c-common.h (c_common_lang_init): Declare.
12161 * c-lang.c (lang_init): Call c_common_lang_init.
12162 * objc/objc-act.c (lang_init): Call c_common_lang_init.
12164 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12166 * configure.in: Check for the mktemp command.
12167 * configure: Regenerate.
12168 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
12169 $TEMP. Create temporary files with mktemp, if available at
12170 configure time; otherwise use set -C. Remove temporary files
12173 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12175 * configure.in: Require at least texinfo 4.0. Check for whether
12176 Pod::Man is sufficiently recent to regenerate GCC manpages.
12177 * configure: Regenerate.
12178 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
12180 (GENERATED_MANPAGES): Define.
12181 (generated-manpages): New target. Depend on cpp.1 as well as
12183 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
12184 configure to generated-manpages or empty) rather than on the
12185 manpages directly. Remove execute permission from installed
12186 gcov.1 as well as cpp.1.
12187 * cpp.1, gcov.1: Regenerate.
12189 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12191 * builtins.c (expand_builtin_strncmp): Use host_integerp and
12192 tree_low_cst. Allow using cmpstrsi in more cases.
12194 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12196 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
12199 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
12201 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
12202 * Makefile.in (HOST_CFLAGS): Mention build-make.
12204 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12206 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
12209 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12211 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
12214 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
12217 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
12218 reg_base_value and reg_known_value arrays.
12219 (init_alias_analysis): Add more cases to detect known values.
12220 * sched-deps.c (deps_may_trap_p): New function.
12221 (sched_analyze_2): Use it.
12223 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12225 * combine.c (simplify_shift_const): Even if we're sign-extracting,
12226 don't discard an ASHIFTRT if we're shifting in a wider mode.
12228 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
12230 * toplev.c (rest_of_compilation): Don't print basic block information
12231 when CFG isn't up to date.
12233 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
12235 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
12236 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
12237 (UNALIGNED_SHORT_ASM_OP): Define.
12238 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
12240 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12242 * fold-const.c (fold_convert): Fix typo.
12244 2001-01-02 Richard Henderson <rth@redhat.com>
12246 * c-common.h (ASM_INPUT_P): New.
12247 * c-parse.in (asm): Set it when needed.
12248 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
12249 existance of an operand.
12251 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
12253 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
12254 (dwarf2out_frame_debug_expr): Likewise.
12255 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
12257 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
12259 * i386.c (ix86_split_to_parts): Return number of part required;
12261 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
12263 (ix86_split_long_move): Use number of part returned
12264 by ix86_split_to_parts
12265 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
12267 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
12268 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
12269 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
12270 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
12271 (ALIGN_MODE_128): Add TFmode.
12272 (IS_STACK_MODE): Likewise.
12273 (HARD_REGNO_NREGS): TFmode needs 3 registers.
12274 (HARD_REGNO_OK): Support TFmodes.
12275 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
12276 * i386.md (scheduler definitions): Use memory operand to determine
12277 fst/fld instructions; use mode attribute to determine real mode of
12279 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
12280 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
12282 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12284 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
12286 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12288 * expr.c (store_constructor_field): Update ALIGN before calling
12291 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12293 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
12296 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12298 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
12301 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12303 * c-decl.c (start_function): Don't warn on third parameter to main.
12305 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12307 * tsystem.h: Define HAVE_DECL_GETOPT.
12309 2001-01-02 Philip Blundell <pb@futuretv.com>
12311 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
12314 2001-01-02 Richard Henderson <rth@redhat.com>
12316 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
12318 2001-01-02 Andreas Jaeger <aj@suse.de>
12320 * c-decl.c (c_decode_option): Remove support of
12321 -Wmissing-noreturn.
12323 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
12324 (W_options): Add -Wmissing-noreturn here.
12326 * flow.c: Define lang_missing_noreturn_ok_p.
12327 (check_function_return_warnings): Use it.
12329 * c-common.h: Declare lang_missing_noreturn_ok_p.
12331 * c-lang.c (c_missing_noreturn_ok_p): New function.
12332 (lang_init): Set lang_missing_noreturn_ok_p.
12334 * invoke.texi (Warning Options): Document this.
12336 2000-12-27 Phil Edwards <pme@sources.redhat.com>
12338 * extend.texi (C++ Extensions): New node for C++ attributes;
12339 describe init_priority and com_interface.
12340 * invoke.texi: Remove -finit-priority as it now has zero effect.
12341 * install.texi: Fix xref syntax.
12342 * md.texi: Likewise.
12344 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12346 * config.gcc (sparc64-wrs-vxworks*): New case.
12347 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
12349 * config/sparc/sparc.c (sparc_override_options): Do support different
12350 pointer and architecture size.
12351 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
12352 (POINTERS_EXTEND_UNSIGNED): Define.
12353 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
12354 (FUNCTION_MODE): Define to be Pmode.
12355 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
12357 * function.c (expand_function_end): Properly handle DECL_RESULT
12358 and copy when ptr_mode != Pmode.
12359 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
12361 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12363 * c-common.c (c_common_nodes_and_builtins): Set prototype
12364 parameters for __builtin_fputs, __builtin_fputc and
12365 __builtin_fwrite. Don't declare plain fputc as a builtin.
12367 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
12369 * loop.c (add_label_notes): Increment the label usage count when
12370 a note is added to an insn which refers to a CODE_LABEL.
12371 * gcse.c (add_label_notes): Likewise.
12373 2001-01-01 Andreas Jaeger <aj@suse.de>
12375 * loop.c (scan_loop): Use xmalloc to allocate movables.
12377 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
12379 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
12380 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
12381 * reload1.c (REGISTER_MOVE_COST): Likewise.
12382 * regclass.c (REGISTER_MOVE_COST): Likewise.
12383 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
12384 dimension. Adjust all users.
12385 (init_reg_sets_1): Iterate on all modes.
12386 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
12387 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
12388 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
12389 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
12390 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
12391 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
12392 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
12393 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
12394 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
12395 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
12396 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
12397 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
12398 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
12399 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
12400 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
12401 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
12402 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
12403 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
12404 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
12405 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
12406 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
12407 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
12408 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
12409 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
12410 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
12411 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
12412 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
12414 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12416 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
12417 arg VARIES_P. Call it with extra arg.
12418 (true_dependence): Likewise.
12419 * rtl.h (rtx_addr_can_trap_p): Declare.
12420 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
12422 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
12423 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
12424 pic offset table register if it's zero. All callers changed.
12425 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
12427 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12429 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
12430 STRING_POOL_ADDRESS_P.
12432 * config/sparc/sparc.c (input_operand): Properly test for short op.
12434 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
12435 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
12436 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
12437 * config/sparc/elf.h: No longer include sol2.h.
12438 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
12439 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
12441 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
12443 2001-01-01 Michael Hayes <mhayes@redhat.com>
12445 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
12446 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
12447 (record_initial): Likewise.
12448 * unroll.c (copy_loop_body, loop_iterations): Likewise.
12449 (remap_split_bivs): Likewise.
12451 2001-01-01 Michael Hayes <mhayes@redhat.com>
12453 * loop.c (loop_ivs_free): New function.
12454 (strength_reduce): Break out from...
12456 2001-01-01 Michael Hayes <mhayes@redhat.com>
12458 * loop.h (struct iv): New.
12459 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
12460 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
12461 'reg_biv_class' fields with 'regs' and 'n_regs'.
12462 (struct ivs): Rename 'loop_iv_list' field to 'list'.
12463 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
12464 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
12466 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
12468 * resource.c (mark_referenced_resources): Abort() before
12469 attempting to mark a pseudo register.
12470 (mark_set_resources): Likewise.
12472 2001-01-01 Michael Hayes <mhayes@redhat.com>
12474 * loop.h (REG_IV_CLASS): New accessor macro.
12475 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
12476 * unroll.c (REG_IV_CLASS): Likewise.
12478 See ChangeLog.4 for earlier changes.