1 2001-06-19 Bernd Schmidt <bernds@redhat.com>
3 * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
4 carries a REG_EQUIV note. If it carries REG_EQUAL, delete the
7 Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com)
9 * flow.c (delete_unreachable_blocks): Fix patch error in
10 previous change (call to find_unreachable_blocks was lost).
12 * ssa.c (ssa_uses): Remove definition.
13 (apply_delayed_renames): Don't grow ssa_uses.
14 (rename_block): Remove comment related to ssa_uses.
15 (rename_registers): Do not initialize ssa_uses.
16 (convert_from_ssa): Do not free ssa_uses.
18 * ssa-dce.c: Renamed from dce.c.
19 * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
20 (dependencies): Replace dce.c with ssa-dce.c and dce.o with
23 2001-06-19 Eric Christopher <echristo@redhat.com>
25 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
26 and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use
27 GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
29 Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com>
31 * sh.c (output_branch): Delete bogus code.
33 * sh.c (initial_elimination_offset):
34 Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
36 Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com)
38 * flow.c (find_unreachable_blocks): New function.
39 (delete_unreachable_blocks): Use find_unreachable_blocks.
40 * basic-block.h (find_unreachable_blocks): Declare.
42 * dce.c (eliminate_dead_code): Fix formatting glitch.
44 2001-06-18 Jason Merrill <jason_merrill@redhat.com>
46 * c-common.h (RETURN_NULLIFIED_P): New macro.
47 * c-semantics.c (genrtl_return_stmt): Check it.
49 * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
50 (emit_block_move): Likewise.
52 Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz>
54 * unroll.c: Include predict.h.
55 (unroll_loop): Drop prediction notes on preconditioning.
56 * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
57 New; add comments on the others.
58 * Makefile.in: (unroll.o): Add dependancy on predict.h.
59 * loop.c (strength_reduce): Fix branch prediction.
61 Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz>
63 * stmt.c (emit_case_nodes): Optimize test whether index is in given
66 Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz>
68 * predict.c (estimate_probability): Do not bail out early
70 (combine_predictions_for_insn): Fix note removal code.
72 2001-06-18 Ben Elliston <bje@redhat.com>
74 * except.c (resolve_fixup_regions): Initialise "cleanup".
76 2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk>
78 * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
80 Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
82 * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
83 use put_var_into_stack.
85 2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
87 * gccspec.c (lang_specific_driver): If compiling ObjC, add
88 -shared-libgcc when necessary.
89 * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
91 2001-06-16 Daniel Berlin <dan@cgsoftware.com>
93 * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
94 bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
95 bitmap_last_set_bit. All for compatibility with sbitmap's.
97 *bitmap.c (bitmap_zero): New function.
98 (bitmap_union_of_diffs): New function.
99 (bitmap_first_set_bit): New function.
100 (bitmap_last_set_bit): New function.
102 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
104 * cpp.texi, invoke.texi: Update.
105 * cpp.1, gcc.1: Regenerate.
107 Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz>
109 * i386.md (minsf): Fix splitter. (PR fortran/3191)
111 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
113 * doc/cpp.texi: Update.
114 * doc/cpp.1: Regenerate.
116 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
118 * doc/install.texi: Use correct markup hints.
120 Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
122 * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
124 * explow.c (expr_size): If DECL and size specified, use it.
126 2001-06-15 Zack Weinberg <zackw@stanford.edu>
128 * doc/cpp.texi: Formatting corrections.
129 Correct buggy example of use of __GNUC__ etc.
130 Clarify $ in identifiers.
131 * doc/cpp.1: Regenerate.
133 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz>
135 * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
137 2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
139 * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
141 (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
142 Added Tru64 UNIX V5.1 bootstrap hints.
143 (Specific, alpha*-*-osf*): Removed old section, obsolete.
145 2001-06-15 Andreas Jaeger <aj@suse.de>
147 * doc/install.texi (Specific): Mention that glibc cannot be
148 compiled with GCC 3.0.
150 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
152 * combine.c (nonzero_bits): Don't optimize away division by
155 2001-06-15 Zack Weinberg <zackw@stanford.edu>
157 * doc/cpp.texi: Revised and brought up to date.
158 * doc/cpp.1: Regenerate.
160 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
162 * doc/install.texi: Update --enable-threads to match reality.
164 2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
166 * doc/install.texi: Update for C4x.
167 * README.C4X: Remove.
169 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
171 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
172 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
173 doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
174 Consistently use "built-in" and "bit-field". Minor logical markup
176 * doc/gcc.1: Regenerate.
178 2001-06-14 Richard Henderson <rth@redhat.com>
180 * config/mips/mips.md (exception_receiver): New.
182 2001-06-14 Daniel J. Berlin <dan@cgsoftware.com>
184 * doc/gcc.texi: Update passes documentation to be more in tune
187 Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz>
189 * i386.c (ix86_expand_prologue): Fix merging conflict.
191 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
193 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
194 doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
195 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
196 logical markup. Use TeX quotes and dashes. Use @dots{} and
197 @minus{}. Avoid spaces inside @var. Update last modification
199 * doc/gcc.1, doc/gcov.1: Regenerate.
201 Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz>
203 * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
204 x86_epilogue_using_move): New global variables.
205 (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
206 (ix86_emit_save_regs_using_mov): New static function.
207 (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
208 * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
209 MASK_MIX_SSE_I387): Renumber.
210 (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
211 (x86_accumulate_outgoing_args, x86_prologue_using_move,
212 x86_epilogue_using_move): Declare.
213 (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
215 2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca>
217 * inclhack.def (hpux10_cpp_pow_inline): New hack.
219 2001-06-13 Richard Henderson <rth@redhat.com>
221 * ifcvt.c (dead_or_predicable): Fix return value last patch.
223 2001-06-13 Mark Mitchell <mark@codesourcery.com>
227 2001-06-13 Richard Henderson <rth@redhat.com>
229 * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
230 (cond_exec_process_if_block, dead_or_predicable): Likewise.
232 2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
234 * mips-tfile.c (copy_object): Always pass indexNil for symbol
237 2001-06-13 Kazu Hirata <kazu@hxi.com>
239 * config/h8300/h8300.h (OK_FOR_T): Remove.
240 (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
241 * config/h8300/h8300.md: Remove alternatives involving inc and dec
242 in the helper patterns for addhi3 and addsi3.
244 2001-06-13 Phil Edwards <pme@sources.redhat.com>
246 * doc/contrib.texi: Link to libstdc++'s thanks.html for now.
248 2001-06-13 Zack Weinberg <zackw@stanford.edu>
250 * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
251 * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
253 * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
254 config/alpha/t-osf4, config/mips/t-iris6: Extract all
255 references to @shlib_map_file@, @shlib_objs@, or
256 @shlib_base_name@ to Makefile variables.
257 Bump soname version of libgcc to 1.
259 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
261 * doc/install.texi: Use more logical markup. Include @node
262 commands in the source when generating any non-HTML.
264 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
266 * README: Remove. Some of the contents moved to ../README.
268 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
270 * doc/install.texi (--enable-shared): List package names
273 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
275 * doc/install.texi (ix86-*-solaris*): Removed, outdated.
276 (*-*-solaris*): Document problem in /bin/sh that affects
277 configuring libraries.
278 (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
279 (*-sun-solaris2.8): Document linker problem that explains why
280 libjava is disabled by default.
282 2001-06-09 Mark Mitchell <mark@codesourcery.com>
285 * toplev.c (rest_of_compilation): Remove dead code before
288 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
291 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
292 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
293 * configure: Rebuilt.
295 2001-06-12 Jim Wilson <wilson@redhat.com>
297 * loop.c (strength_reduce): Move bl->all_reduced set before
298 check_ext_dependant_givs call.
299 (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
301 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
303 * doc/extend.texi (Function Attributes): Document SH's sp_switch
306 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
308 * doc/invoke.texi: Use more logical markup. Use TeX quotes,
311 2001-06-12 Richard Henderson <rth@redhat.com>
313 * config/i386/i386.c (ix86_expand_prologue): Always use
314 gen_pro_epilogue_adjust_stack; update arguments.
315 (ix86_expand_epilogue): Likewise.
316 (ix86_emit_epilogue_esp_adjustment): Remove.
317 (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
318 * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
319 clobber of scratch memory instead of a modification of EBP as the
320 barrier. Update all peepholes to match.
322 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
324 * doc/gcc.texi: Change the font used for @def... commands to a
326 * doc/extend.texi: Use more logical markup. Use "built-in"
327 instead of "builtin". Use @deftypefn to mark up built-in
328 functions; specify their types in the @deftypefn and not in the
329 descriptive text. Use TeX quotes and dashes. Add more index
332 2001-06-12 lars brinkhoff <lars@nocrew.org>
334 * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
335 (DIR_SEPARATOR_2): Likewise.
337 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
339 * doc/install.texi (--exec-prefix, --bindir, --libdir,
340 --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
342 (--enable-cpp): Change to document --disable-cpp instead; update
343 to reflect current default.
344 (--without-fast-fixincludes): Remove documentation.
345 (Final install): Document installation directories in more
346 detail. Document use of make dvi.
348 Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz>
350 * recog.c (validate_replace_rtx_1): Fix previous patch.
352 Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz>
354 * recog.c (validate_replace_rtx_1): Do plus_constant call always.
356 Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz>
358 * simplify-rtx.c (simplify_subreg): Allow volatile memory
359 to be subregged in case we don't have move instruction.
361 Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
363 * loop.c: Include predict.h
364 (strength_reduce): Drop branch prediction note in case
365 number of iterations is known.
366 * predict.def (PRED_LOOP_ITERATIONS): new.
367 * Makefile.in (loop.o): Add dependancy on predict.h
369 2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
371 * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
373 * c-typeck.c (c_start_case): Likewise.
375 2001-06-12 Mark Mitchell <mark@codesourcery.com>
377 * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
378 in a structure at a variable address.
380 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
382 * doc/gcov.texi: Use more logical markup.
384 2001-06-11 Mark Mitchell <mark@codesourcery.com>
386 * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
387 REG_NOTE_KIND, not PUT_MODE and GET_MODE.
388 (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
391 2001-06-11 Stan Shebs <shebs@apple.com>
393 * darwin.h (ASM_FILE_END): Remove decl of language_string.
395 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
397 * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
398 as an early clobber to make sure it is not used by reload in
401 2001-06-11 Mark Mitchell <mark@codesourcery.com>
403 * doc/c-tree.texi: Update information about flag_honor_std.
404 * doc/install.texi: Note that binutils is required on HPUX 11.
405 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
408 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
409 variable-sized types.
411 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
413 * doc/md.texi: Use TeX dashes and quotes.
415 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
417 * doc/rtl.texi: Reference manual chapter about trees.
419 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
421 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
422 (WINT_TYPE): Override.
423 (WINT_TYPE_SIZE): Likewise.
424 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
426 * config/sparc/sol2.h (WINT_TYPE): Define.
427 (WINT_TYPE_SIZE): Likewise.
429 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
430 (WINT_TYPE): Override.
431 (WINT_TYPE_SIZE): Likewise.
432 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
433 (CPP_ARCH64_SPEC): Likewise.
435 2001-06-11 Richard Henderson <rth@redhat.com>
437 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
438 with alias attribute.
440 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
441 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
443 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
445 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
447 2001-06-11 Stan Shebs <shebs@apple.com>
449 * darwin.c (darwin_encode_section_info): Rewrite to simplify
450 and fix coding mistakes.
452 2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>
454 * config/m32r/m32r.md (movstrsi_internal): Do not expect a
455 return string from m32r_output_block_move.
456 * config/m32r/m32r-protos.h: Make m32r_output_block_move a
458 * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
460 (ROUND_ADVANCE): Remove signed/unsigned conflict.
461 * config/m32r/m32r.c: Declare prototypes for static functions.
462 (move_src_operand): Replace INT32_P with UINT32_P.
463 (function_arg_partial_nregs): Fixed signed/unsigned conflict
464 in initialisation of 'size'.
465 (m32r_sched_reord): Remove redundant declarations of 'code'.
466 (m32r_output_block_move): Change to a void function.
467 (m32r_encode_section_info): Cast return of
468 TREE_STRING_POINTER to avoid compile time warning.
470 2001-06-11 Richard Henderson <rth@redhat.com>
472 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
473 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
474 (struct machine_function): Add gp_save_rtx.
475 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
476 (alpha_gp_save_rtx): New.
477 * config/alpha/alpha-protos.h: Declare it.
478 * config/alpha/alpha.md (exception_receiver): Make an expander.
479 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
481 2001-06-11 Richard Henderson <rth@redhat.com>
483 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
485 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
487 * configure.in: Align --help messages.
488 Remove trailing full stops.
489 Consistently use lower case.
490 Fix DWARF 2 spelling.
491 * configure: Rebuilt.
493 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
495 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
496 variants for .cpp/.cp/.c++ files.
497 Move definition of __LANGUAGE_C_PLUS_PLUS ...
498 (CPLUSPLUS_CPP_SPEC): ... here.
500 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
502 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
504 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
506 * c-decl.c (store_parm_decls): When comparing types in an
507 old-style function declaration with those from a previous
508 prototype, compare the unqualified versions of parameter types.
511 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
513 * doc/objc.texi: Use more logical markup. Use TeX dashes.
515 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
517 * doc/c-tree.texi: Use more logical markup.
519 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
521 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
523 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
525 * loop.c (scan_loop): Do not combine asm statements.
527 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
529 * simplify-rtx.c (simplify_subreg): Fix offset calculation
530 for complex values within a CONCAT.
532 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
534 * doc/install.texi: Update details of what components are included
535 in the GCC distribution. Update default directory for g++
536 includes. Update documentation relating to old libio. Adjust
537 documentation on DejaGnu environment variables. Remove
538 documentation of --enable-cpplib.
540 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
542 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
545 2001-06-10 Richard Henderson <rth@redhat.com>
547 * ifcvt.c (life_data_ok): New.
548 (merge_if_block): Use it to determine whether to update
550 (if_convert): Set it.
552 2001-06-10 Richard Henderson <rth@redhat.com>
554 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
556 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
558 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
559 (SH Options): Document -mieee.
560 * doc/install.texi (Final install): Remove obsolete information
561 about installing cross compilers.
562 * doc/gcc.1: Rebuilt.
564 2001-06-10 Richard Henderson <rth@redhat.com>
566 * config/alpha/alpha.c (override_options): Set align_loops,
567 align_jumps, and align_functions.
568 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
569 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
571 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
573 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
574 are one and two words in size.
576 2001-06-10 Richard Henderson <rth@redhat.com>
578 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
579 (Code Generation Options): Document -fnon-call-exceptions.
581 2001-06-10 Mark Kettenis <kettenis@gnu.org>
583 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
585 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
587 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
589 2001-06-10 Mark Mitchell <mark@codesourcery.com>
590 Gabriel Dos Reis <gdr@codesourcery.com>
592 * Makefile.in (c-parse.o): Depend on diagnostic.h
593 (dwarf2out.o): Likewise.
595 * dwarf2out.c: #include diagnostic.h
597 * toplev.h (warningcount, errorcount, sorrycount): Remove
600 * toplev.c (warningcount, errorcount, sorrycount): Remove
603 * diagnostic.h (struct output_buffer): Reorder fields.
604 (diagnostic_kind_count): New macro.
605 (errorcount, warningcount, sorrycount): Define as macros.
606 (diagnostic_report_warnings_p): New macro.
607 (output_state): Add diagnostic_count field.
609 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
610 Remove tentative declaration.
611 (count_error): Use diagnostic_report_warnings_p.
613 * c-parse.in: #include diagnostic.h
615 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
617 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
618 prefer a memory for operand 1.
619 ("*addsi3"): Fix constraints, the '!' was too strong.
620 ("*addsi3_split"): Accept soft register and split accordingly.
622 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
624 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
625 Move definition in the RTX_CODE section.
627 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
629 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
630 address as relative to the argument pointer.
632 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
634 * predict.def (PRED_OPCODE): Place before call and error_return.
636 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
638 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
639 * predict.c (estimate_probability): Calculate dominance
640 information; improve detection of NORETURN heuristics;
641 add call/error_return heuiristics; tweak comparison heuristics
644 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
646 * doc/invoke.texi (C Dialect Options): Document -aux-info.
647 (Debugging Options): Document -print-multi-directory and
649 * doc/gcc.1: Rebuilt.
651 * toplev.c (independent_decode_option): Require `=' between
652 `-aux-info' and filename in the same argument.
653 * gcc.c: Don't pass -aux-info=filename twice.
655 2001-06-09 Mark Mitchell <mark@codesourcery.com>
657 * expr.c (expand_expr, case ARRAY_REF): Do not replace
658 an array element with the known initializing value if it has
661 * toplev.c (rest_of_compilation): Remove dead code before
664 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
666 * cppinit.c (print_help): Document -fpreprocessed.
667 * invoke.texi: Similarly.
669 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
671 * predict.def: New file.
672 * predict.h: New file.
673 * predict.c: Include predict.h.
674 (predictor_info): New structure and array.
675 (predict_edge, predict_insn): Rewrite; make global.
676 (predict_edge_def, predict_insn_def): New global functions.
677 (dump_prediction, combine_predictions_for_insns): New
679 (estimate_probability): Change calls to predict_edge
680 to predict_edge_def and calls to predict_insn to predict_insn_def;
681 combine probabilities.
682 (expected_value_to_br_prob): Behave as predictor.
683 * rtl.h (REG_BR_PRED): Update coment.
684 (invert_br_probabilities): New.
685 * jump.c: Include predict.h
686 (duplicate_loop_exit_test): Drop branch prediction notes.
687 (invert_jump): Use invert_br_probabilities.
688 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
689 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
690 * combine.c (distribute_notes): Handle BR_PRED.
692 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
694 * predict.c (predict_insn, predict_edge): New static functions.
695 (estimate_probability): Revamp to use new functions;
696 fix loop header heruistics; add loop exist heruistics
698 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
700 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
702 2001-06-09 Peter Jakubek <pjak@snafu.de>
704 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
706 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
708 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
709 for integer operations that don't update C bit.
711 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
713 * gthr-posix.h (__gthread_objc_init_thread_system): If
714 pthread_key_create fails, it's not clear what the return value is.
715 This obvious fix makes sure it always returns -1 if a problem
718 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
720 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
721 more index entries. Use more logical markup where appropriate.
722 Use TeX quotes and dashes.
724 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
726 * unwind-pe.h: Conditionally qualify references to abort with
729 2001-06-09 Julian Foad <julian_foad@hotmail.com>
731 * doc/invoke.texi: Remove superfluous text.
733 2001-06-08 Richard Henderson <rth@redhat.com>
735 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
736 (LIB_SPEC): Mirror config/linux.h version.
738 2001-06-08 Richard Henderson <rth@redhat.com>
740 * except.c (get_exception_pointer, get_exception_filter): Take a
741 struct function. Update all callers.
742 * except.h (get_exception_pointer): Update declaration.
743 * expr.c (expand_expr): Update get_exception_pointer call.
744 * integrate.c (expand_inline_function): Remap the exception pointer
745 from callee to caller.
747 2001-06-08 Mark Mitchell <mark@codesourcery.com>
749 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
750 accurately reflect its cv-qualification.
751 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
752 cv-qualifiers on function types.
754 2001-06-08 Mark Mitchell <mark@codesourcery.com>
756 * basic-block.h: Improve comments.
757 * except.c (expand_eh_region_end_allowed): Remove redundant call
758 to do_pending_stack_adjust.
759 * flow.c (life_analysis): Fix typo in comment.
760 (calculate_global_regs_live): Add documentation.
761 (mark_set_1): Likewise.
762 (debug_regset): Likewise.
763 * doc/rtl.texi (cond_exec): Document it.
765 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
767 * i386.h (CONST_COSTS): set cost of constants representable in
768 immediate fields to 0.
770 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
772 * function.c (diddle_return_value): Kill code to determine
773 return value before expand_function_end.
774 (expand_function_end): Delay call to clobber_return_register
775 after fucntion return value is computed.
777 Re-install temporary reverted patch:
778 * toplev.c (rest_of_compilation): Call split_all_insns
779 before reg-stack and shorten-branches. Do shorten-branches
781 * final.c (shorten_branches): Remove insn splitting code.
783 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
785 * doc/gcc.texi, doc/invoke.texi: Add index of command line
786 options. Use @opindex to index them rather than other indexing
787 commands. Use @var{...} instead of <...>. Avoid spaces in names
788 inside @var. Don't use @kindex to index escape sequences in
791 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
793 * stmt.c (current_nesting_level): New fn.
794 * tree.h: Declare it.
795 * c-semantics.c (genrtl_compound_stmt): Use it.
797 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
799 2001-06-08 Jakub Jelinek <jakub@redhat.com>
801 * jump.c (mark_modified_reg): Allow jump threading if condition
802 codes are represented by a hard register.
804 2001-06-08 Jakub Jelinek <jakub@redhat.com>
806 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
807 for complex floats passed to unprototyped functions.
809 2001-06-08 Mark Mitchell <mark@codesourcery.com>
811 * except.c (expand_eh_region_end_allowed): Call
812 do_pending_stack_adjust as necessary.
814 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
816 * function.c (clobber_return_register): Clobber the pseudo return
819 * sibcall.c (skip_unreturned_value): New function.
820 (call_ends_block_p): Use it.
822 * recog.c (split_insn): Break out from ...
823 (split_all_insns): ... here; do not use basic block information
826 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
828 * simplify-rtx.c (simplify_subreg): Fix verification of
831 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
833 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
834 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
835 Move definition of _LANGUAGE_C_PLUS_PLUS ...
836 (CPLUSPLUS_CPP_SPEC): ... here.
837 Fixes PRs c++/3047, target/441.
839 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
841 * doc/install.texi2html (MAKEINFO): Keep value if set already.
843 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
845 * doc/gcc.texi: Add trailing slash to URL.
847 2001-06-07 Stan Shebs <shebs@apple.com>
849 * config/darwin.h (ENCODE_SECTION_INFO): Define.
850 (REDO_SECTION_INFO_P): Ditto.
851 (STRIP_NAME_ENCODING): Ditto.
852 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
853 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
854 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
855 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
856 * config/darwin.c: No longer include c-tree.h.
857 (machopic_classify_ident): Rewrite to use symbol encoding.
858 (lookup_name_darwin): Remove.
859 (machopic_non_lazy_ptr_name): Handle encoded symbols.
860 (machopic_stub_name): Use STRIP_NAME_ENCODING.
861 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
862 (machopic_finish): Ditto, remove test of decl.
863 (update_non_lazy_ptrs): New function.
864 (darwin_encode_section_info): New function.
865 * config/darwin-protos.h: Declare it.
866 * config/rs6000/rs6000.c (machopic_output_stub): Use
869 2001-06-07 Mark Mitchell <mark@codesourcery.com>
871 * tree.h (DECL_SOURCE_FILE): Improve documentation.
872 (DECL_SOURCE_LINE): Likewise.
874 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
876 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
879 2001-06-07 Phil Edwards <pme@sources.redhat.com>
881 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
882 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
884 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
886 * doc/contrib.texi: Add copyright notice.
888 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
890 * doc/md.texi: Use four digit years in copyright notice.
892 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
894 * config.gcc: For $target_alias of athlon-*, set
895 target_cpu_default2=5.
897 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
899 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
900 end of last block if last real insn is a JUMP_INSN.
902 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
906 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
908 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
909 pthread_t to objc_thread_t.
910 (__gthread_objc_thread_id): Likewise.
912 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
914 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
915 (ASM_OLDAS_SPEC): Likewise.
917 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
918 (CPP_SUBTARGET_SPEC): Use it.
919 (ASM_OLDAS_SPEC): Define.
921 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
923 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
925 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
928 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
930 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
931 Document use of N_(...), and show it in examples. Note that
932 documentation should be added to invoke.texi. Avoid an overfull
935 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
937 * toplev.c (rest_of_compilation): Revert previous patch.
938 * final.c (shorten_branches): Likewise.
940 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
942 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
945 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
947 * doc/install-old.texi: Remove more obsolete documentation.
949 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
951 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
953 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
955 * toplev.c (rest_of_compilation): Call split_all_insns
956 before reg-stack and shorten-branches. Do shorten-branches
958 * final.c (shorten_branches): Remove insn splitting code.
960 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
962 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
963 * configure: Rebuilt.
965 2001-06-07 Andreas Jaeger <aj@suse.de>
967 * emit-rtl.c (operand_subword): Remove unused variable.
969 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
971 * i386.md (floatdi?f): Avoid usinf of SSE instructions
972 if TARGET_64BIT is false.
973 (floatdi?f_i386_only): New insn.
974 (floatdi?f_i386): Disable for !TARGET_64BIT.
976 * (min?f, max?f splitters): Handle case where
977 operands are cross-matched.
979 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
980 (MMX_REGISTER_NAMES): Kill.
981 (PRINT_OPERAND): Fix comment.
982 (PRINT_REG): Likewise.
983 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
984 (print_operand): Update comment; kill 'm'.
986 * i386.c (x86_branch_hints): New global variable
987 (print_operand): Support outputting of branch prediction hints.
988 * i386.md (conditional jump patterns): Add branch prediction hints
990 * i386.h (x86_branch_hints): Declare
991 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
992 (PRINT_OPERAND_FUNCT_VALID_P): New.
993 * final.c (final_forward_branch_p): New function.
995 2001-06-06 Richard Henderson <rth@redhat.com>
997 * flow.c (mark_used_reg): Clean up looping over multiple hard
998 registers. Do conditional life bits across multiple hard regs.
1000 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
1002 * reload1.c (reload): Revert Schmidt's change so all USEs are not
1003 deleted during reload.
1005 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1007 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
1008 functions here, instead of ...
1009 * c-decl.c (c_expand_body): ... here.
1011 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1013 * config.gcc, config/sparc/bsd.h: Do not directly include
1014 sparc/sparc.h. Instead do it via tm_file.
1016 2001-06-05 Richard Henderson <rth@redhat.com>
1018 * dwarf2.h (DW_EH_PE_aligned): New.
1019 * dwarf2asm.c (eh_data_format_name): Name it.
1020 (dw2_asm_output_encoded_addr_rtx): Align for it.
1021 * dwarf2out.c (output_call_frame_info): Handle it for personality
1022 routine and LSDA pointers.
1024 * unwind-pe.h (DW_EH_PE_aligned): New.
1025 (base_of_encoded_value): Handle it.
1026 (read_encoded_value_with_base): Likewise.
1027 * unwind-dw2-fde.c (base_from_object): Likewise.
1028 (get_cie_encoding): Likewise.
1030 * config/alpha/elf.h: Remove ecoff commentary.
1031 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1033 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1035 * config.gcc, config/i386/bsd386.h: Do not directly include
1036 i386/386bsd.h. Instead do it via tm_file.
1038 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1040 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
1043 2001-06-05 Pascal Obry <obry@act-europe.fr>
1045 * configure.in: Quote $enable_win32_registry in case the value has
1049 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1051 * print-rtl.c (xspaces): Remove.
1052 (print_rtx): Use printf field-width, rather than xpsaces, to
1054 * toplev.c (main): Disable sibling-call optimization if we are
1055 handling exceptions.
1057 2001-06-05 Bernd Schmidt <bernds@redhat.com>
1059 * reload1.c (reload): Delete all USEs generated during reload.
1061 2001-06-05 scott snyder <snyder@fnal.gov>
1063 * gccbug.in: Fix typo.
1065 2001-06-05 Andreas Jaeger <aj@suse.de>
1067 * builtins.def: Fix definition of __builtin_cosf, it uses float as
1068 parameter and return value.
1070 2001-06-04 Anthony Green <green@redhat.com>
1072 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
1073 machine. This is now done in sparc.h.
1075 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1077 Correct CVS resurrection of invoke.texi.
1078 * doc/invoke.texi: Document new tree dump flags.
1080 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1082 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
1083 for casting an aggregate to its own type. Fixes PR c/2735.
1085 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1087 * doc/texinfo.tex: Update to version 2001-05-24.08.
1089 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1091 * c-common.h (flag_dump_translation_unit): Remove.
1092 (enum tree_dump_index): Define.
1093 (TDF_ADDRESS, TDF_SLIM): New #defines.
1094 (dump_node_to_file): Remove.
1095 (dump_node): Make extern. Add flags.
1096 (dump_flag, dump_enabled_p, dump_begin, dump_end,
1097 dump_switch_p): Prototype.
1098 * c-common.c (flag_dump_translation_unit): Remove.
1099 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
1100 logic. Use dump_switch_p.
1101 * c-dump.h (struct dump_info): Add node and user fields.
1102 (dump_pointer): Declare.
1103 * c-dump.c (dump_node): Make extern. Add flags.
1104 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
1105 (dump_new_line, dump_maybe_newline): Use them.
1106 (dump_pointer): New function.
1107 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
1108 chain or function's body. Dump address, if TDF_ADDRESS set.
1109 (dump_flag): Define.
1110 (dump_node_to_file): Remove.
1111 (struct dump_file_info): New struct.
1112 (dump_files): New array.
1113 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
1114 * c-lang.c (finish_file): Adjust dumping.
1115 * toplev.h (dump_base_name): Make extern.
1116 * invoke.texi: Document new flags.
1118 2001-06-04 Mark Mitchell <mark@codesourcery.com>
1120 * c-tree.h (lang_decl): Add pending_sizes fields.
1121 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
1123 (c_expand_body): Expand them.
1124 (lang_mark_tree): Mark lang_decl:pending_sizes.
1125 * function.c (expand_pending_sizes): New function, broken out
1127 (expand_function_start): ... here.
1128 * tree.h (expand_pending_sizes): Declare it.
1130 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
1132 * doc/install.texi: Update FreeBSD information. Generalize
1133 and update information for alpha-based platforms using ELF.
1135 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
1137 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
1138 (store_parm_decls): Likewise.
1139 * c-typeck.c (convert_arguments): Likewise.
1141 2001-06-04 Richard Henderson <rth@redhat.com>
1143 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
1144 optimization if current_function_calls_setjmp.
1146 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
1148 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
1151 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1153 * simplify-rtx.c (simplify_subreg): Fix combining of
1154 paradoxical subregs.
1156 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1158 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
1159 (no_labels_between_p): Short circuit case beg==end.
1161 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1163 * rtlanal.c (operand_preference): Fix preference for objects.
1165 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1167 * gcse.c (handle_avail_expr): Be prepared to handle single_set
1170 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1172 * combine.c (if_then_else_cond): Use simplify_subreg instead
1174 * integreate.c (sub_constants): Likewise.
1176 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1178 * emit-rtl.c (constant_subword): Deprecate; remove most of code
1179 and use simplify_gen_subreg.
1181 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
1183 * sibcall.c (skip_copy_to_return_value): recognize the situation
1184 when the called function's return value is copied into an
1185 intermediate pseudo, and then into the calling functions return
1188 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1190 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
1191 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
1192 in case register wasn't OK previously, accept it now; allow
1193 subregs of frame pointer if reload completed and frame pointer
1196 * combine.c (sombine_simplify_rtx): Fix comment;
1197 use subreg_lowpart_offset instead of subreg_lowpart_p
1198 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
1199 * rtl.h (subreg_lowpart_parts_p): Kill.
1200 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
1201 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
1202 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
1203 (gen_lowpart_common): Likewise.
1204 (subreg_lowpart_p): Likewise.
1205 (subreg_lowpart_parts_p): Kill.
1206 (subreg_lowpart_offset, subreg_highpart_offset): New function.
1208 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
1209 to simplify SUBREG and REG.
1210 (gen_highpart): Use simplify_gen_subreg for all simplifications.
1212 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
1215 * rtlanal.c (replace_regs): Use simplify_gen_subreg
1217 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1219 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
1220 (ARRAY_RANGE_REF): Added description.
1222 * tree.def (ARRAY_RANGE_REF): New code.
1223 * alias.c (handled_component_p, can_address_p): Handle it.
1224 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
1225 * explow.c (set_mem_attributes): Likewise.
1226 * expr.c (expand_assignment, get_inner_reference): Likewise.
1227 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
1228 * fold-const.c (operand_equal_p): Likewise.
1229 * tree.c (staticp, stabilize_reference): Likewise.
1230 * varasm.c (decode_addr_const): Likewise.
1232 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1234 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
1235 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
1237 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
1239 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
1240 mark_constant_pool_use before output_addr_const.
1241 (struct pool_node): New field wend.
1242 (add_constant): Note a sequence of constants that are referenced
1244 (pool_window_label, pool_window_last): New variables.
1245 (dump_table): Emit a unspec_volatile representing the end of a
1246 sequence of constants.
1247 (mark_constant_pool_use): New function.
1248 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
1249 (consttable_2): Add the second operand which flags whether
1250 this consttable entry was used or not.
1251 (consttable_4, consttable_8, consttable_sf, consttable_df):
1253 (consttable_window_end): New insn.
1255 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1257 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
1258 Reformat according to coding standards.
1261 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
1262 (shl_and_kind): Cast wide constant.
1263 (gen_far_branch): Define as static, as in declaration.
1264 (barrier_align): Compute cache-line length as unsigned. Add
1265 parentheses in initial credit computation.
1266 (rounded_frame_size): Add parentheses.
1267 (permanent_obstack): Remove declaration. Include ggc.h for
1268 declaration of ggc_add_root_rtx().
1269 (get_free_reg): Removed declaration of unused variable reg.
1270 (legitimize_pic_address): Mark mode argument as unused.
1272 2001-06-03 Igor Shevlyakov <igor@windriver.com>
1274 * config/sh/sh.c (output_branch): Support for insn with lenght
1275 attr 12 & 16 which represents cond branches outside +-4096 range.
1277 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1279 * config/sh/lib1funcs.asm (ic_invalidate): Align the
1280 cache-mirroring sequence. Add nops.
1282 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
1284 * doc/install-old.texi: Remove more old installation
1286 * doc/install.texi: Add relevant parts here.
1288 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1290 * doc/install.texi2html: New script.
1292 2001-06-03 David Edelsohn <edelsohn@gnu.org>
1294 * doc/install.texi: Update AIX information again.
1296 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1298 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
1299 installation documentation.
1300 * doc/install.texi: Move it to here.
1302 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1304 * doc/install.texi: Clean up Texinfo markup.
1306 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1308 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
1309 to just after title page.
1311 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1313 * doc/install-old.texi: Remove documentation of some configuration
1315 * doc/install.texi: Add relevant parts of this documentation here.
1317 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1319 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
1320 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
1322 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1324 * i386.md (all uses of ext_register_operand): Make sure they are
1325 VOIDmode; replace all uses outside zero_extend.
1326 (and?i splitters): Use ext_register_operands.
1327 (test?i peep2): Remove ignored constraints.
1328 * i386.c (ext_register_operand): Check that operand is
1329 eighter pseudo or hard or 'Q' register.
1331 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1333 * tree.h (struct record_layout_info_s): New field unpadded_align.
1334 (set_lang_adjust_rli): New declaration.
1335 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
1336 it would have if not packed, do not downgrade DECL_ALIGN.
1337 (lang_adjust_rli, set_lang_adjust_rli): New.
1338 (start_record_layout): Initialize new field unpadded_align.
1339 (debug_rli): Display it.
1340 (place_union_field, place_field): Set it.
1341 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
1343 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
1344 mean that; use proper names instead.
1345 Print DECL_NO_STATIC_CHAIN.
1347 * except.c (expand_builtin_frob_return_addr): Add missing call
1348 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
1349 (expand_builtin_eh_return): Likewise.
1350 (expand_eh_return): Clean up ptr_mode != Pmode cases.
1352 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
1354 * doc/invoke.texi: Remove references to papers about sequence points
1355 to readings.html, refer to that page.
1357 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1359 * README: Update references to installation instructions.
1361 2001-06-01 Laurent Guerby <guerby@acm.org>
1362 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1364 * doc/install.texi: Define srcdir when sources come from CVS.
1365 Significantly improve markup. Wrap overly long lines
1367 2001-06-01 DJ Delorie <dj@redhat.com>
1369 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
1370 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
1371 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
1372 gcov.1: Move to doc subdirectory.
1373 * install.texi: Move to doc/install-old.texi.
1374 * gcc.texi: Move to doc, refer to install-old.texi.
1375 * Makefile.in: Reflect move of docs to doc/.
1376 * f/Make-lang.in: Ditto.
1377 * java/Make-lang.in: Ditto.
1378 * doc/.cvsignore: New.
1380 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1382 * invoke.texi: use two spaces between command options, eliminate
1383 some 'overfull hboxes'
1385 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
1387 * Makefile.in (s-mlib): Make backtick-commands always succeed.
1388 (DRIVER_DEFINES): Ditto.
1390 2001-05-31 Richard Henderson <rth@redhat.com>
1392 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
1393 also link against libgcc.a.
1395 2001-05-31 Geoff Keating <geoffk@cygnus.com>
1397 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
1398 * config/mips/mips.c (mips_output_ascii): New function.
1399 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
1401 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
1403 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1405 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
1406 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
1408 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
1410 * install.texi (Configuration): Add html links for --with-gnu-as &
1411 --with-gnu-ld and refer to them from hppa & SCO triplets.
1412 (Specific): Link back to with-gnu-ld for all ELF platfoms.
1413 (Specific): Reword AVR binutils recommendation.
1415 2001-05-30 Zack Weinberg <zackw@stanford.edu>
1417 * ggc-page.c (size_lookup): Increase minimum allocation size
1419 (ggc_print_statistics): Report size of each bin in bytes, not
1420 as its order; there is no longer a direct relationship.
1422 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1424 * extend.texi: Fix formating of examples, eliminate some
1426 * gcc.texi: Eliminate some 'overfull hboxes'.
1427 * invoke.texi: Use two spaces between command options, eliminate
1428 some 'overfull hboxes'.
1430 2001-05-30 Richard Henderson <rth@redhat.com>
1432 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
1434 2001-05-30 Tom Tromey <tromey@redhat.com>
1436 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
1437 use it in the new association.
1439 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
1440 John David Anglin <dave@hiauly1.hia.nrc.ca>
1442 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
1443 to target type to allow ISO C++ compiler to accept it.
1444 * gthr-dce.h (__gthread_active_ptr): Likewise.
1445 * gthr-solaris.h (__gthread_active_ptr): Likewise.
1447 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1449 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
1450 so that we do accept comments in preprocessed input.
1452 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1454 * cpphash.c (alloc_node): Cast allocated pointer.
1456 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
1458 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
1460 2001-05-29 Stan Shebs <shebs@apple.com>
1462 * gcc.texi: Add links for information about Objective-C.
1464 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
1466 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
1467 /bin/sed fails on [^\"]).
1468 (configargs.h): Likewise.
1470 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1472 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
1474 2001-05-28 Stan Shebs <shebs@apple.com>
1476 * objc/objc.gperf: Remove, no longer used.
1478 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
1480 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1481 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1482 Remove trailing whitespace.
1484 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1486 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1487 became http://freeware.sgi.com/.
1489 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
1491 * local-alloc.c (update_equiv_regs): Don't eliminate constant
1494 2001-05-27 Stan Shebs <shebs@apple.com>
1496 * objc/objc-act.c: Add/fix various comments.
1497 (init_selector): Remove, no longer used.
1498 (build_msg_pool_reference): Ditto.
1499 (objc_debug): Ditto.
1501 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1503 * c-decl.c (init_decl_processing):
1504 Don't call start_identifier_warnings.
1505 * flags.h (warn_id_clash, id_clash_len): Remove.
1506 * stringpool.c: Don't include flags.h.
1507 (scan_for_clashes, do_identifier_warnings,
1508 start_identifier_warnings): Remove.
1509 * toplev.c (warn_id_clash, id_clash_len): Remove.
1510 (display_help): Don't document -Wid-clash.
1511 (decode_W_option): Print warning on -Wid-clash.
1512 * tree.h (start_identifier_warnings): Remove.
1513 * invoke.texi: Remove documentation of -Wid-clash.
1515 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1517 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
1519 2001-05-27 Bruce Korb <bkorb@gnu.org>
1521 * fixinc/check.tpl(HACK) add and use a Scheme variable
1522 (has no test text): error out if no "test_text" is defined
1523 * fixinc/fixincl.tpl: likewise
1524 (FIXIDX): make it an enumeration so we minimize diffs
1525 * fixinc/inclhack.def: re-alphabetize and add sort instructions
1526 * fixinc/fixincl.x: regenerate
1527 * fixinc/tests/base/stdio.h: test output got moved due to
1529 * README-fixinc: rewrite (mostly)
1531 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1533 * cpplib.c (run_directive): Set pfile->directive.
1535 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1537 * c-tree.texi: Reformat the manual as a single chapter now
1538 included by gcc.texi.
1539 * gcc.texi: Include c-tree.texi. Merge all indexes.
1540 * Makefile.in (dvi): Add generation for the cppinternals
1541 documentation. Added dependencies on fdl.texi and c-tree.texi
1542 where appropriate. Use TEXI2DVI instead of custom tex calls.
1543 (info): Added dependencies on fdl.texi and c-tree.texi where
1544 appropriate. Remove the target c-tree.info.
1546 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
1548 * combine.c (try_combine): Fix typo in comment.
1549 * expr.c (expand_expr): Likewise.
1550 * config/i370/i370.md (untyped_call): Likewise.
1552 2001-05-26 Bruce Korb <bkorb@gnu.org>
1554 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1555 when fixincl is operating in test mode
1556 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
1557 (AAB_ultrix_limits): remove redundant text
1558 (AAB_ultrix_memory): ditto
1559 (AAB_ultrix_string): ditto
1560 (djgpp_wchar_h): fix the test text
1561 (irix_stdio_va_list): add test text
1562 (irix_limits_const): add a testing output file (limits.h is overwritten)
1563 (strict_ansi_not_ctd): put limits.h second in list for same reason
1564 (solaris27_mutex_init): test text needed selection text, too
1566 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1567 when fixincl is operating in test mode
1569 2001-05-26 Philip Blundell <philb@gnu.org>
1571 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1572 * config/i960/i960-protos.h: Likewise.
1573 * config/i370/i370-protos.h: Likewise.
1574 * config/h8300/h8300-protos.h: Likewise,
1575 * config/sh/sh-protos.h: Likewise.
1576 * config/v850/v850-protos.h: Likewise.
1578 2001-05-26 Philip Blundell <philb@gnu.org>
1580 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1582 2001-05-25 Zack Weinberg <zackw@stanford.edu>
1584 * toplev.c (debug_args, f_options, W_options): Mark
1585 descriptions for translation.
1586 (display_help): Translate descriptions on output.
1588 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
1589 objc/lang-options.h: Mark descriptions for translation.
1591 * aclocal.m4: Quote final argument of patsubst. Use
1592 3-argument form of AC_DEFINE. Restore quotes to [] while
1594 * configure.in: Remove unnecessary changequote calls.
1595 * configure, config.in: Regenerate.
1597 2001-05-25 Sam TH <sam@uchicago.edu>
1599 * basic-block.h: Fix header include guards.
1600 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
1601 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
1602 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
1603 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
1604 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
1605 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
1606 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
1607 varray.h version.h: Likewise.
1608 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
1609 config/arm/arm.h config/c4x/c4x-protos.h
1610 config/h8300/h8300-protos.h config/h8300/h8300.h
1611 config/i370/i370-protos.h config/i370/i370.h
1612 config/i960/i960-protos.h config/mcore/mcore.h
1613 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
1614 config/v850/v850-protos.h config/v850/v850.h: Likewise.
1615 * fixinc/fixlib.h fixinc/server.h: Likewise.
1617 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
1619 * config/arc/initfini.c (.init): Fix typo.
1621 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
1623 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
1625 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1627 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
1629 2001-05-25 Richard Henderson <rth@redhat.com>
1631 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
1633 2001-05-25 Richard Henderson <rth@redhat.com>
1635 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
1636 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
1637 (sparc*-*-solaris2): Likewise.
1638 * config/t-linux: Remove shared libgcc macros.
1639 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
1640 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
1642 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
1644 * config.gcc (*-*-freebsd*): Report bad configuration.
1646 2001-05-25 David Edelsohn <edelsohn@gnu.org>
1648 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
1650 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
1652 (ASM_OUTPUT_LABELREF): Delete.
1654 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1656 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
1657 strict_ansi_only): Don't run if stdc_0_in_system_headers.
1658 * fixinc/fixincl.x: Regenerate.
1659 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
1660 (FIX_TEST_TABLE): Declare it.
1661 * fixinc/fixlib.h: Include config.h.
1663 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1665 * fixinc/inclhack.def (alpha___assert): Change char * args to
1666 const char * on Tru64 UNIX to avoid excessive warnings from
1668 * fixinc/fixincl.x: Regenerate.
1670 2001-05-25 Geoff Keating <geoffk@redhat.com>
1672 * dbxout.c (dbxout_symbol): Invert previous patch, which was
1673 outputting a tag only for variable-size records.
1675 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
1677 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
1678 instead of rtx_equal_p for early clobber test.
1680 2001-05-26 Mark Mitchell <mark@codesourcery.com>
1682 * builtins.def: Encode additional information, such as names and
1684 * builtin-types.def: New file.
1685 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
1686 (built_in_decls): Likewise. Don't explicitly initialize global
1688 (expand_builtin_mathfn): Handle float and long double variants of
1690 (expand_builtin): Likewise.
1691 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
1692 (expand_tree_builtin): Handle long, long long, float, and long
1693 double variants of math functions.
1694 * c-common.h (c_tree_index): Remove some unused nodes.
1695 (void_ftype): Remove.
1696 (void_type_ptr): Likewise.
1697 (int_ftype_int): Likewise.
1698 (ptr_ftype_sizetype): Likewise.
1699 * c-decl.c (init_decl_processing): Remove creation of DWARF
1701 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
1702 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
1703 * Makefile.in (c-common.o): Depend on builtin-types.def.
1705 2001-05-25 Dale Johannesen <dalej@apple.com>
1707 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
1709 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
1711 * c-parse.in (notype_initdcl): Remove redundant line.
1713 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1715 * aclocal.m4: Fixed typo.
1716 (gcc_AC_HEADER_STDBOOL): Define.
1717 (gcc_AC_C__BOOL): Define.
1718 * configure.in: Use them.
1719 (AC_CHECK_HEADERS): Remove stdbool.h
1720 * configure, config.in: Regenerate.
1722 2001-05-25 Richard Henderson <rth@redhat.com>
1724 * function.c (expand_function_start): Don't abort on PARALLEL
1725 returns from hard_function_value.
1727 2001-05-25 Richard Henderson <rth@redhat.com>
1729 * config/i386/i386.md: Revert previous change. Do not apply
1730 the peephole if the components do not die after the sequence.
1732 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
1734 * c-parse.in (array_declarator): New. Handle C99 constructs.
1735 Don't restrict [*] declarators to C only.
1736 (after_type_declarator, parm_declarator_starttypename,
1737 parm_declarator_nostarttypename, notype_declarator,
1738 direct_absdcl1): Use it.
1739 * c-decl.c (build_array_declarator, set_array_declarator_type):
1740 New functions. Warn that [*] isn't properly implemented; pedwarn
1741 for [*] outside C99 mode if pedantic rather than giving a hard
1743 (grokdeclarator): Handle static and type qualifiers in parameter
1745 * c-tree.h (build_array_declarator, set_array_declarator_type):
1747 * extend.texi (Attribute Syntax): Document attributes in parameter
1750 2001-05-25 Mark Mitchell <mark@codesourcery.com>
1752 * config/i386/i386.md: Make sure cmpstr peepholes do not
1753 affect liveness information.
1755 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1757 * c-typeck.c (digest_init): Issue error messages about
1758 invalid constants, not warnings.
1760 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1762 * invoke.texi (-fno-builtin): Document that this is always on
1765 2001-05-24 Philip Blundell <philb@gnu.org>
1767 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
1770 2001-05-24 Philip Blundell <philb@gnu.org>
1772 * config/arm/arm.c (output_return_instruction): Correctly handle
1773 interworking and interrupt functions.
1775 2001-05-24 Philip Blundell <philb@gnu.org>
1777 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
1778 -m{no-}sched-prolog. Fix typos and improve formatting.
1780 2001-05-24 Philip Blundell <philb@gnu.org>
1782 * invoke.texi (ARM Options): Improve wording slightly. Add
1783 documentation for more options, including those for Thumb mode.
1784 Don't mention options that don't exist or are unimplemented.
1785 (Thumb Options): Delete; merged into above section.
1787 2001-05-24 Geoff Keating <geoffk@redhat.com>
1789 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
1790 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
1792 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1794 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
1795 fix hard register simplification.
1797 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1799 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
1800 of just copying CPP_CPU_SPEC.
1802 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1804 * i386.c (incdec_operand): Accept only 1 and -1.
1806 2001-05-23 Kelley Cook <kelley.cook@home.com>
1808 * Makefile.in: Move many of the *_H definitions eariler in the
1809 file, so that rules in t-* files that use them for
1810 dependencies will work in a parallel build.
1811 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
1813 2001-05-23 Richard Henderson <rth@redhat.com>
1815 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
1817 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1819 * cpp.texi: Update for handling of charconsts.
1820 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
1821 diagnostics. Skip to the end if the UCS is too short.
1822 (cpp_interpret_charconst): Long charconsts issue a warning
1825 2001-05-23 Richard Henderson <rth@redhat.com>
1827 * doc/install.texi (alpha-linux): Require binutils 2.11.
1829 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1831 * c-lex.c (read_escape, read_ucs): Delete.
1832 (lex_string): Use cpp_parse_escape.
1833 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
1834 if not C++ or not C99. Warn if traditional.
1835 (parse_escape): Rename cpp_parse_escape. Make the bitmask
1836 unsigned. Warn for out-of-range escape sequences here.
1837 Update to use maybe_read_ucs.
1838 (cpp_interpret_charconst): Don't warn here.
1839 * cpplib.h (cpp_parse_escape): New exported function.
1841 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
1843 * extend.texi (Attribute Syntax): Clarify application of
1844 attributes to parameters declared as functions or arrays.
1846 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
1848 * dbxout.c (dbxout_type_methods): Do still group methods by name.
1850 2001-05-23 Zack Weinberg <zackw@stanford.edu>
1852 * diagnostic.c (vnotice): Kill.
1853 (fnotice): Call vfprintf directly.
1854 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
1855 verbatim, set_diagnostic_context): Rename string argument to
1856 indicate that it is run through gettext.
1857 (vbuild_message_string, build_message_string, output_do_printf):
1858 Rename string argument to indicate that it is NOT run through
1860 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
1861 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
1862 Run msgid argument through gettext.
1863 (default_print_error_function): Run constant strings through
1864 gettext when nothing else will.
1865 (fatal_error, internal_error, error_recursion): Use fnotice.
1866 Present complete sentences to gettext.
1868 2001-05-23 Mark Mitchell <mark@codesourcery.com>
1870 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
1872 2001-05-23 Richard Henderson <rth@redhat.com>
1874 * function.c (expand_function_start): Always use a pseudo
1875 for the function result value.
1877 2001-05-22 Richard Henderson <rth@redhat.com>
1879 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
1880 section pointer alignment.
1882 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
1884 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
1885 of __USER_LABEL_PREFIX__.
1887 2001-05-22 Richard Henderson <rth@redhat.com>
1889 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
1890 (__deregister_frame_info_bases): New.
1891 * unwind-dw2-fde.h: Declare it.
1892 * libgcc-std.ver: Export it.
1893 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
1894 called __register_frame_info_bases.
1896 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1898 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
1899 instead of #elif (which is OK for this case but not in general).
1901 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
1903 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
1904 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
1905 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
1906 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
1907 "r2" to the assembly file. Only issue allocs with non-zero parameters.
1909 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1910 David O'Brien <obrien@freebsd.org>
1912 * config/freebsd.h (LIB_SPEC): Key the exact setting to
1913 configure-time options and target version of FreeBSD. Set-up
1914 to match architectural change in threading support. Correctly
1915 report when -pthread option is not supported by configure-time
1917 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
1918 and extend to encode target version number in run-time setting
1919 of __FreeBSD__ macro to match the system compiler.
1920 (CPP_PREDEFINES): Likewise.
1921 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
1923 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
1924 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
1926 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1927 David O'Brien <obrien@freebsd.org>
1929 * config.gcc (the unlabeled system switch statement): Add
1930 generic configuration section to handle *-*-freebsd*. Also,
1931 to match the system compiler, default to threading support (it
1932 may be disabled with the standard --disable-threads
1933 configuration-time switch).
1934 (i[34567]86-*-freebsd* in machine-specific section): Use it.
1935 (alpha*-*-freebsd* in machine-specific section): Likewise.
1937 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
1938 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
1939 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
1940 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
1941 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
1943 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1944 David O'Brien <obrien@freebsd.org>
1946 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1947 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
1948 -pthread instead setting macro.
1950 2001-05-22 Richard Henderson <rth@redhat.com>
1952 * crtstuff.c (__register_frame_info_bases): Declare.
1953 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
1954 (__do_global_dtors_aux, __do_global_dtors): Streamline.
1956 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1957 (CRT_GET_RFIB_DATA): New.
1958 * config/i386/sysv4.h: Likewise.
1959 * config/i386/sco5.h: Likewise.
1960 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1962 2001-05-22 Richard Henderson <rth@redhat.com>
1964 * rtl.c (read_string): Break out from ...
1965 (read_rtx): ... here.
1967 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1969 * doc/install.texi (Specific): Remove a bogus and duplicate part
1970 copied from the end of the document.
1972 2001-05-22 Bernd Schmidt <bernds@redhat.com>
1974 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
1976 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1978 * install.texi: Remove obsolete information on SunOS as well as
1979 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
1980 (Installing GNU CC on the Sun): Remove section.
1982 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
1984 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
1985 keep errno unchanged on success.
1987 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
1989 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
1990 once for hexadecimal floats, whether or not they contain a decimal
1991 point. Don't let the setting of pedantic otherwise affect the
1992 parsing of hexadecimal floats.
1994 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1996 * README.ACORN: Remove obsolete file.
1998 2001-05-22 Jan Hubicka <jh@suse.cz>
2000 * combine.c (gen_binary): Use swap_commutative_operands_p
2001 (simplify_comparison): Likewise.
2002 * expmed.c (emit_store_flag): Likewise.
2003 * expr.c (compare_from_rtx): Likewise.
2004 (do_compare_rtx_and_jump): Likewise.
2005 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
2006 if not emitting a branch and operands want swapping.
2008 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
2010 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
2011 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
2012 (maybe_get_identifier): Update.
2013 * tree.h (make_identifier): Delete.
2015 2001-05-21 Richard Henderson <rth@redhat.com>
2017 * combine.c (subst): Do not substitute for a register as
2018 a destination subreg/strict_low_part/zero_extract.
2020 * combine.c (simplify_comparison): Update op1 after constant
2022 * recog.c (const_int_operand): Accept only constants valid
2024 * genrecog.c: Update comments wrt const_int_operand.
2026 * emit-rtl.c (init_emit_once): Zero unused memory in a
2029 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2031 * tree.h (type_num_arguments): Declare it.
2032 * tree.c (type_num_arguments): New function.
2034 2001-05-21 Richard Henderson <rth@redhat.com>
2036 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
2039 2001-05-21 Geoff Keating <geoffk@redhat.com>
2041 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
2043 (minsf3): Use rs6000_emit_minmax.
2044 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
2046 (movsfcc): Use rs6000_emit_cmove.
2047 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
2048 Don't generate emit_fselsfsf4.
2049 (fseldfsf4): Likewise.
2050 (maxdf3): Use rs6000_emit_minmax.
2052 (mindf3): Use rs6000_emit_minmax.
2053 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
2055 (movdfcc): Use rs6000_emit_cmove.
2056 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
2057 Don't generate emit_fselsfsf4.
2058 (fselsfdf4): Likewise.
2059 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
2060 (min_max_operator): New predicate.
2061 (rs6000_emit_cmove): New function.
2062 (rs6000_emit_minmax): New function.
2063 * config/rs6000/rs6000-protos.h: Prototype new functions.
2064 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
2065 and min_max_operator.
2067 * config/rs6000/rs6000.c (output_cbranch): Handle all
2068 conditional types in the switch statement.
2070 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2072 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
2073 non-register variables.
2074 * extend.texi: Document that asm-specifications do not make sense
2075 for non-static local variables.
2077 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
2079 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
2080 (dbxout_type_fields): Lose minimal_debug support.
2081 (dbxout_type_methods, dbxout_type): Likewise.
2083 2001-05-17 Andrew Haley <aph@redhat.com>
2085 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2087 2001-05-21 Richard Henderson <rth@redhat.com>
2089 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
2092 2001-05-20 Richard Henderson <rth@redhat.com>
2094 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2095 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
2096 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
2097 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2098 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
2100 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2101 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
2102 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
2103 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2104 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2105 DEBUG_PUBNAMES_SECTION): Rename as above.
2106 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2108 2001-05-20 Richard Henderson <rth@redhat.com>
2110 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
2111 operands unless the operation is commutative.
2113 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2115 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
2118 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
2120 * extend.texi: Clarify documentation of extensions included in ISO
2121 C99. Prefer C99 terminology and syntax to old GNU terminology and
2122 syntax. Add more index entries. Document mixed declarations and
2123 code as an extension in C89 mode. Warn about future changes to
2124 semantics of inline functions. Fixes PR other/930.
2126 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2128 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
2129 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2130 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
2131 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2133 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
2135 2001-05-20 Richard Henderson <rth@redhat.com>
2137 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
2138 to be output before a branch.
2140 2001-05-20 Richard Henderson <rth@redhat.com>
2142 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
2144 2001-05-20 Richard Henderson <rth@redhat.com>
2146 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
2147 (ASM_DOUBLE): Remove.
2148 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
2149 * config/i386/sun386.h: Likewise.
2151 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
2152 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
2154 * config/i386/cygwin.h (INT_ASM_OP): Remove.
2155 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
2156 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
2157 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
2159 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
2160 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
2161 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
2162 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
2163 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
2164 * config/i386/win32.h: Likewise.
2166 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2168 * invoke.texi: Add more options to summary list.
2170 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2172 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
2173 used. Fixes PR c/2291.
2174 * gcc.1: Regenerate.
2176 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2178 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
2179 the -fpic and -fPIC options, clear flag_pic.
2181 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2183 * hashtable.c (calc_hash): Fix HASHSTEP definition.
2184 * stringpool.c (make_identifier): No statistics here anymore.
2185 * objc-act.c (steup_string_decl): Remove redundant check.
2187 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2189 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
2190 cpplib.o, cpphash.o, fix-header): Update.
2191 (hashtable.o): New target.
2192 * c-common.h: Include cpplib.h. Define C_RID_CODE and
2193 struct c_common_identifier here.
2194 * c-lang.c (c_init_options): Update. Call set_identifier_size.
2195 * c-lex.c (c_lex): Update.
2196 * c-pragma.h: Update.
2197 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
2199 (C_RID_CODE): Delete.
2200 * cpphash.c: Rewrite to use hashtable.c.
2201 * cpphash.h: Update include guards.
2202 (struct cpp_reader): Remove hashtab.
2203 hash_ob and buffer_ob are no longer pointers. Add hash_table
2205 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
2206 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
2207 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
2208 * cppinit.c (cpp_create_reader): Update.
2209 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
2210 (cpp_interpret_charconst): Eliminate warning.
2211 * cpplib.c (do_pragma, do_endif, push_conditional,
2212 cpp_push_buffer, cpp_pop_buffer): Update.
2213 (_cpp_init_stacks): Rename cpp_init_directives.
2214 (_cpp_cleanup_stacks): Remove.
2215 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
2216 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
2217 cpp_forall_identifiers, cpp_create_reader): Update.
2218 (C_RID_CODE, cpp_make_node): New.
2219 (c_common_identifier): New identifier node for C front ends.
2220 * cppmain.c (main): Update.
2221 * fix-header.c (read_scan_file): Update.
2222 * flags.h (id_clash_len): Make unsigned.
2223 * ggc.h (ggc_mark_nonnull_tree): New.
2226 * stringpool.c: Update comments and copyright. Update to use
2228 * toplev.c (approx_sqrt): Move to hashtable.c.
2229 (id_clash_len): Make unsigned.
2230 * toplev.h (ident_hash): New.
2231 * tree.c (gcc_obstack_init): Move to hashtable.c.
2232 * tree.h: Include hashtable.h.
2233 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
2234 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
2235 (struct tree_identifier): Update.
2236 (make_identifier): New.
2238 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
2239 (C_RID_CODE): Remove.
2240 * lex.c (cxx_init_options): Call set_identifier_size. Update.
2241 (init_parse): Don't do it here.
2243 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
2245 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
2247 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
2249 (expand_eh_return): Convert between word_mode and Pmode.
2250 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
2252 (execute_stack_op): Likewise.
2253 (execute_cfa_program): Likewise.
2254 (uw_frame_state_for): Likewise.
2255 (uw_update_context_1): Likewise.
2256 * unwind.inc (_Unwind_Reason_Code): Likewise.
2257 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
2258 (EH_RETURN_STACKADJ_RTX): Likewise.
2259 * config/mips/mips.c (compute_frame_size): Make space for saving
2260 EH return registers.
2261 (mips_expand_epilogue): Handle EH stack adjustments.
2262 * config/mips/mips.md (eh_return): New pattern.
2263 (eh_set_lr_si): Likewise.
2264 (eh_set_lr_di): Likewise.
2265 Add splitter to perform EH return after reload.
2267 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2269 * jump.c (mark_jump_label): Tidy previous change.
2271 2001-05-19 Bruce Korb <bkorb@gnu.org>
2273 * fixinc/genfixes: no need for two warnings
2274 * fixinc/Makefile.in: open stdin for those building with a closed one.
2276 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2278 * jump.c (jump_optimize_1): Tidy.
2279 (mark_jump_label): When changing the label in a LABEL_REF, change
2280 update any REG_EQUAL notes as well.
2282 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
2284 * c-parse.in (parm_declarator): Split into
2285 parm_declarator_starttypename and parm_declarator_nostarttypename.
2286 (parm_declarator_starttypename, parm_declarator_nostarttypename):
2287 New. Allow parenthesised sub-declarators which don't begin with a
2288 TYPENAME. Fixes PR c/166.
2290 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2292 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
2294 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2296 * toplev.c (main): If the target does not allow profiling without
2297 a frame pointer, issue an error message.
2298 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2301 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2303 * recog.c (general_operand): Modify last change to allow it if reload
2306 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2308 * recog.c (general_operand): Prohibit nonzero subreg bytes on
2309 subregs containing mem.
2311 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
2313 * regrename.c (regrename_optimize): frame pointer register can
2316 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
2318 * README.DWARF: Move into dwarfout.c.
2320 2001-05-18 Dale Johannesen <dalej@apple.com>
2322 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
2323 specific misuse of r0 as a reload address.
2325 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2327 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
2330 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2332 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
2333 (add_to_sequence): Make that decision type.
2334 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
2335 (write_switch, write_cond, debug_decision_2): Likewise.
2337 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
2339 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
2342 2001-05-18 Stan Shebs <shebs@apple.com>
2344 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
2345 * configure: Regenerate.
2347 2001-05-18 Per Bothner <per@bothner.com>
2349 Changes needed for java/jvspec.c
2350 * gcc.h (n_infiles, outfiles): Add declarations.
2351 * gcc.c (n_infiles, outfiles): Mske no longer static.
2353 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
2355 * config/pa/som.h (EXCEPTION_SECTION): Define.
2357 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
2359 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
2361 Add have_location_lists, a variable to determine whether we need a
2362 .debug_loc section or not.
2363 (enum dw_val_class): Add dw_val_class_loc_list.
2364 (dw_val_struct): Add val_loc_list.
2365 (dw_loc_list_struct): New structure, represents location lists.
2366 (new_loc_list): New function, return a new location list, given
2367 the range and location expression.
2368 (add_loc_descr_to_loc_list): New function, add a location
2369 expression to a location list, given the expression and range.
2370 (output_loc_list): New function, output a location list.
2371 (gen_internal_sym): Modified to take symbol prefix, so we can
2372 reuse it for location list symbols.
2373 (add_AT_loc_list): New function, add a location list to a DIE at
2374 the named attribute.
2375 (AT_loc_list): New function, return the location list reference
2376 for a given attribute, if it's a location list.
2377 (print_die): Handle dw_val_class_loc_list.
2378 (size_of_die): Ditto.
2379 (value_format): Ditto.
2380 (output_die): Ditto.
2381 (output_location_lists): New function, output all of the location
2382 lists for a DIE and it's children.
2383 (dwarf2out_finish): Call output_location_lists if we have location
2387 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2389 * gcse.c (try_replace_reg): First try global replace, later try to
2390 simplify the expression.
2392 * gcse.c (find_used_regs): Change calling convention; work via
2394 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
2396 2001-05-18 Bernd Schmidt <bernds@redhat.com>
2399 2001-02-09 Nick Clifton <nickc@redhat.com>
2400 * config/arm/arm.md: Change output constraint on post inc
2401 load/store multiple patterns to be a read/write constraint.
2403 2001-05-18 Mark Mitchell <mark@codesourcery.com>
2405 * basic-block.h (struct basic_block_def): Add documentation about
2406 what a basic block is, and what the various fields are used for.
2407 * flow.c (calculate_globlal_regs_live): Add documentation about
2408 how the algorithm works, and how we know that it will terminate.
2409 Check that the the inductive assumption that guarantees
2410 termination actually holds.
2411 (mark_used_regs): Treat conditionally set registers as used.
2412 (debug_regset): Add comment.
2413 * rtl.texi (cond_exec): Add documentation.
2415 * function.c (expand_function_start): Avoid creating BLKmode
2418 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2420 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
2421 DIE, even if it has no children.
2422 (dwarf2out_finish): Always output the line-number table, even if
2425 2001-05-18 David Edelsohn <edelsohn@gnu.org>
2427 * rs6000.md (movsfcc,movdfcc): Remove NE case.
2429 2001-05-17 Bruce Korb <bkorb@gnu.org>
2431 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
2432 * fixinc/genfixes: emit a warning if AutoGen is out of date
2434 2001-05-17 Brendan Conoboy <blc@cygnus.com>
2435 Bruce Korb <bkorb@gnu.org>
2437 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
2438 found in fixinc directory. Facilitates binary distributions.
2440 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
2442 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
2445 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
2447 * dwarf2out.c (modified_type_die): Equate qualified type to die.
2449 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2451 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
2452 (simplify_subreg): Handle complex types represented as CONCAT.
2454 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
2455 * rtl.h (swap_commutative_operands_p): Declare.
2456 * rtlanal.c (swap_commutative_operands_p): New.
2457 (operand_preference): New static function.
2459 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
2460 (gen_binary): Likewise.
2461 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
2462 * simplify-rtx.c (simplify_gen_binary,
2463 simplify_gen_relational): Likewise.
2465 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2467 * cse.c (fold_rtx): Use simplify_subreg.
2469 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
2470 (simplify_gen_subreg): New.
2471 (simplify_rtx): Use simplify_subreg.
2472 * rtl.h (simplify_gen_subreg): Declare.
2474 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2476 * doc/install.texi: Update Solaris information.
2478 * except.h (protect_cleanup_actions): Remove it.
2479 (lang_protect_cleanup_actions): Declare it.
2480 * except.c (protect_cleanup_actions): Remove it.
2481 (lang_protect_cleanup_actions): New variable.
2482 (init_eh): Don't make protect_cleanup_actions a GC root.
2483 (expand_eh_region_and_cleanup): Call
2484 lang_protect_cleanup_actions.
2485 (output_function_exception_table): Remove unused `align'
2487 * varasm.c (assemble_external): Abort if we have not yet
2488 opened the assembly output file.
2490 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
2492 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2493 for eh_personality_libfunc.
2495 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2497 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
2498 when calling simplify_subreg. This is needed to allow replacing
2499 of expression of one mode by expression of different mode.
2501 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2503 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
2505 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2507 * expr.c (protect_from_queue): Protect against subsequent calls to
2509 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2512 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
2514 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
2516 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2518 * gccbug.in (CATEGORIES): Add "bootstrap".
2520 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2522 * simplify-rtx.c (simplify_subreg): Break out from ...
2523 * combine.c (combine_splify_rtx) ... here and ...
2524 * recog.c (validate_replace_rtx_1): ... here;
2525 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
2526 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
2527 (subreg_lowpart_p): ... here.
2529 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2531 * stmt.c (expand_asm_operands): For inout operands, make sure
2532 the substitution of '=' for '+' makes it into the rtl.
2534 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
2535 (reload_as_needed): Call update_eliminable_offsets a bit later.
2537 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2539 * gcc.texi (gccbug): Refer to the web pages for detailed information
2542 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2544 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
2546 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
2547 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
2548 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
2549 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
2550 * cross-make: Don't set LIBGCC1.
2551 * mklibgcc.in: Delete all code for building from libgcc1.c.
2552 Always honor LIB1ASMFUNCS if set.
2554 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
2555 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
2556 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
2557 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
2558 config/i386/uwin.asm, config/m68hc11/larith.asm,
2559 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
2560 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
2561 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
2562 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
2563 Delete or update references to libgcc1 in commentary.
2565 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
2566 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
2567 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
2568 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
2569 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
2570 config/arm/t-semi, config/arm/t-strongarm-coff,
2571 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
2572 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
2573 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
2574 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
2575 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
2576 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
2577 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
2578 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
2579 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2580 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
2581 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
2582 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
2583 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
2584 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
2585 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
2586 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
2587 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
2588 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
2589 config/mips/t-ultrix, config/mn10200/t-mn10200,
2590 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
2591 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
2592 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
2593 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
2594 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
2595 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
2596 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
2597 config/sparc/t-sparclite, config/sparc/t-splet,
2598 config/sparc/t-sunos41, config/sparc/t-vxsparc,
2599 config/sparc/t-vxsparc64, config/v850/t-v850:
2600 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
2602 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
2603 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
2604 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
2605 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
2606 nongcc_SI_type, nongcc_word_type, or perform_*
2607 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
2609 * config/i386/386bsd.h, config/i386/beos-elf.h,
2610 config/i386/linux-aout.h, config/i386/linux-oldld.h,
2611 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
2612 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
2613 Don't include i386/perform.h.
2615 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
2616 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
2617 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
2618 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
2619 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
2620 config/vax/t-openbsd, config/vax/t-vax: Delete.
2622 * config.gcc: Remove references to deleted files.
2623 (arm-semi-aof): Use arm/t-semi for tmake_file.
2625 * gcc.texi, install.texi, invoke.texi, tm.texi:
2626 Delete or rewrite text which is no longer relevant now that
2627 libgcc1 no longer exists.
2629 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
2630 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
2632 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
2633 Bruce Korb <bkorb@gnu.org>
2635 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
2638 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2640 * i386.md: Add two peepholes to clean up code generated by
2643 2001-05-16 Richard Henderson <rth@redhat.com>
2645 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
2646 variants of non-absolute encodings.
2648 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2650 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
2651 __register_frame_info_table_bases): Export.
2653 2001-05-16 Richard Henderson <rth@redhat.com>
2655 * except.c (eh_data_format_name): Move to ...
2656 * dwarf2asm.c: ... here. Use designated initializers if available.
2657 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
2658 * dwarf2asm.h: Update declarations.
2659 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
2660 ASM_PREFERRED_EH_DATA_FORMAT.
2661 (output_call_frame_info): Likewise. Use 'L' augmentation for
2664 * unwind-dw2-fde.h (struct fde_vector): New.
2665 (struct old_object): Rename from struct object.
2666 (struct object): New.
2667 (__register_frame_info_bases): Declare.
2668 (__register_frame_info_table_bases): Declare.
2669 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
2670 * unwind-dw2-fde.c (objects): Remove.
2671 (unseen_objects, seen_objects): New.
2672 (__register_frame_info_bases): New.
2673 (__register_frame_info): Use it.
2674 (__register_frame_info_table_bases): New.
2675 (__register_frame_info_table): Use it.
2676 (__deregister_frame_info): Rewrite for changed object struct.
2677 (base_from_object, get_cie_encoding, get_fde_encoding): New.
2678 (fde_unencoded_compare): Rename from fde_compare; uninline.
2679 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
2680 (start_fde_sort): Adjust for new definition of fde_vector.
2681 (fde_insert): Likewise.
2682 (end_fde_sort): Likewise. Select comparison function based
2683 on properties of the object.
2684 (fde_split): Take object and fde_compare_t arguments.
2685 (frame_heapsort, fde_merge): Likewise.
2686 (classify_object_over_fdes): Rename from count_fdes. Handle
2687 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
2689 (add_fdes): Handle encoded pointers.
2690 (init_object): Rename from frame_init. Update for new struct object.
2691 (linear_search_fdes): Rename from search_fdes. Handle encoded
2693 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
2694 (binary_search_single_encoding_fdes): New.
2695 (binary_search_mixed_encoding_fdes): New.
2696 (search_object): New.
2697 (_Unwind_Find_FDE): Update for new struct object. Fill in
2699 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
2700 iterating over EH data.
2701 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
2702 fde_encoding, lsda_encoding.
2703 (read_uleb128, read_sleb128): Remove.
2704 (read_encoded_pointer): Remove. All callers use read_encoded_value.
2705 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
2706 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
2708 * unwind-pe.h: Add "struct" to _Unwind_Context references.
2710 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2712 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
2713 * cpphash.c (_cpp_lookup_with_hash): Similarly.
2714 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
2715 cpp_spell_token, cpp_output_token): Similarly.
2716 * cpplib.c (lex_macro_node, do_undef, do_pragma,
2717 do_pragma_poison, parse_assertion, do_assert): Similarly.
2718 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
2719 save_parameter, _cpp_create_definition, check_trad_stringification,
2720 cpp_macro_definition): Similarly.
2721 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
2722 * c-lex.c (cb_undef, c_lex): Similarly.
2723 * fix-header.c (recognized_function): Similarly.
2724 * cpplib.h (NODE_LEN, NODE_NAME): New.
2725 (cpp_hashnode): Rename length len.
2727 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
2729 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
2732 2001-05-16 Andreas Jaeger <aj@suse.de>
2734 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
2736 * toplev.c: Include dwarf2asm.h for prototype of
2737 dw2_output_indirect_constants.
2739 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2741 * stmt.c (expand_asm_operands): Be able to offload addressof
2742 expression to memory. (PR optimization/185)
2744 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
2746 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
2747 applying distributive law.
2749 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2751 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
2753 * gthr-dce.h (UNUSED): Attribute unused macro.
2754 (__gthread_key_dtor): Make arguments UNUSED.
2755 (__gthread_key_delete): Revise for compatibility with DRAFT4
2758 2001-05-16 David Edelsohn <edelsohn@gnu.org>
2760 * doc/install.texi: Update AIX information.
2761 * README.RS6000: Remove obsolete file.
2763 2001-05-16 Jakub Jelinek <jakub@redhat.com>
2764 Nathan Sidwell <nathan@codesourcery.com>
2766 * gcc.c (give_switch): Don't write before start of string.
2767 Always append suffix.
2769 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
2771 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
2774 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2776 * README.ALTOS: Remove obsolete file.
2778 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2780 * c-lex.h (save_and_forget_protocol_qualifiers,
2781 forget_protocol_qualifiers, remember_protocol_qualifiers):
2782 Remove deleted functions' prototypes.
2784 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2786 * c-parse.in (methodtype): New production.
2787 (methoddef, methodproto): Collapse separate '-' and '+'
2790 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2792 * c-common.h (RID_FIRST_PQ): New.
2793 * c-parse.in (objc_pq_context): New.
2794 (objc parser): Set objc_pq_context rather than calling
2795 remember_protocol_qualifiers and forget_protocol_qualifiers.
2796 Don't call save_and_forget_protocol_qualifiers.
2797 (yylexname): Handle objc protocol qualifiers here.
2798 * stringpool.c (struct str_header): Replace with sp_hashnode.
2799 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
2800 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
2801 Allocate an IDENTIFIER_NODE for each identifier.
2802 (FORALL_STRINGS, set_identifier): Delete.
2803 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
2804 (ggc_alloc_string): Use an obstack.
2805 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
2806 * tree.h: Update comments.
2807 (set_identifier): Delete.
2808 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
2809 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
2810 remember_protocol_qualifiers): Delete.
2812 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
2814 * flow.c (life_analysis): After life analysis is complete, do
2815 an optional scan over insns looking for REG_LABEL notes that
2816 reference a deleted label.
2817 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
2818 before peeking at LABEL_NUSES.
2820 2001-05-15 Richard Henderson <rth@redhat.com>
2822 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
2823 (_Unwind_GetTextRelBase): New.
2825 2001-05-15 Mark Mitchell <mark@codesourcery.com>
2827 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
2829 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
2831 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
2832 so that CHOOSE_SECTION gets used.
2834 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
2835 TARGET_RELOCATABLE like flag_pic for now.
2837 2001-05-15 David Edelsohn <edelsohn@gnu.org>
2839 * rs6000.md (movdi splitter): Sign extend more efficiently.
2840 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
2841 to "long long" valid on 32-bit and 64-bit hosts.
2842 (logical_operand): Cast trunc_int_for_mode return value.
2843 (rs6000_emit_move): Shift macro to encapsulate variable.
2844 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
2845 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
2846 plus_constant requires signed argument.
2848 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
2850 * gthr-posix.h: Make additional pthread-* functions weak.
2852 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
2854 * recog.c (apply_change_group): Avoid unneeded validating.
2856 2001-05-14 David Edelsohn <edelsohn@gnu.org>
2858 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
2859 (num_insns_constant): CONST_INT can be 64-bits.
2861 2001-05-14 Stan Shebs <shebs@apple.com>
2863 * config/darwin.h (LIB_SPEC): Just use -lSystem.
2864 (LIBGCC_SPEC): Don't define.
2866 2001-05-14 Richard Henderson <rth@redhat.com>
2868 * configure.in (gcc_cv_as_eh_frame): New test.
2869 * config.in, configure: Rebuild.
2870 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
2872 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2874 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
2875 extended precision divide.
2877 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2879 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
2880 for RETURNS as well.
2882 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2884 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
2885 (CPP_CPU??_SIZE_TYPE): New.
2886 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
2887 (CPP_CPU_SPEC): ... here; support choosing of CPU.
2888 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
2889 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
2891 * i386.c (override_options): Add sorry about not suported modes.
2893 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
2895 * config/pa/som.h (NM_FLAGS): Remove.
2896 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
2897 (ASM_OUTPUT_SECTION_NAME): Remove.
2898 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
2900 2001-05-14 Mark Mitchell <mark@codesourcery.com>
2902 * regrename.c (regrename_optimize): Do not rename registers to
2905 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
2907 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
2908 contain MEMs. Remove useless distinction about clobbering
2911 2001-05-13 Geoff Keating <geoffk@redhat.com>
2913 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
2914 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
2915 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
2916 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2917 (EXCEPTION_SECTION): Define.
2919 2001-05-13 Zack Weinberg <zackw@stanford.edu>
2921 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
2922 binary backward compat only.
2923 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
2924 in LIB2FUNCS. Pass it to mklibgcc.
2925 * mklibgcc.in: Handle LIB2FUNCS_ST.
2927 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
2929 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
2931 * tm.texi (THREAD_MODEL_SPEC): Document it.
2932 * gcc.c (main): Use it.
2933 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
2934 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
2936 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2938 * rtl.h (SYMBOL_REF_WEAK): New macro.
2939 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
2940 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
2941 * rtl.texi (SYMBOL_REF_WEAK): Document it.
2942 * gcc.texi: Remove wrong description.
2944 2001-05-13 Mark Mitchell <mark@codesourcery.com>
2946 * Makefile.in (STAMP): New macro.
2947 Replace all uses of `touch' with $(STAMP).
2948 * fixinc/Makefile.in: Likewise.
2950 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2952 * configure.in: ldopen is never in -lexc, so don't test for it.
2953 Add test for exc_resume in -lexc for Ada.
2954 * configure: Regenerated.
2956 2001-05-12 Richard Henderson <rth@redhat.com>
2958 * dwarf2asm.c (size_of_encoded_value): New function.
2959 * dwarf2asm.h: Declare it.
2960 * except.c (output_function_exception_table): Align the TType
2961 array only as wide as the encoding.
2963 2001-05-12 Zack Weinberg <zackw@stanford.edu>
2965 * extend.texi: Document #pragma GCC java_exceptions.
2967 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2969 * c-parse.in (bison parser, init_reswords): Remove uses of
2971 * c-tree.h (doing_objc_thang): Remove.
2973 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2975 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
2976 about files not ending in newlines.
2978 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2980 * dwarfout.c (dwarfout_init): Add cast.
2981 * sched-deps.c (sched_analyze_insn): Remove unused vars.
2982 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
2984 * method.c (build_mangled_C99_name): Remove unused prototype.
2986 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2988 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
2990 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2992 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
2993 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
2995 2001-05-11 Richard Henderson <rth@redhat.com>
2997 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2998 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
2999 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
3000 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
3001 (dw2_output_indirect_constants): Prototype.
3002 * dwarf2out.c (dwarf2out_begin_prologue): Generate
3003 current_function_func_begin_label if we'll need it for EH. Exit
3004 early for IA64_UNWIND_INFO.
3005 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
3006 (eh_data_format_name): Update for indirect references.
3007 (output_function_exception_table): Care for IA64_UNWIND_INFO.
3008 Handle ASM_PREFERRED_EH_DATA_FORMAT.
3009 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
3010 define HAVE_eh_return etc.
3011 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
3012 (final_end_function): Don't call output_function_exception_table.
3013 * toplev.c (compile_file): Call dw2_output_indirect_constants.
3014 (rest_of_compilation): Invoke output_function_exception_table
3015 for ia64 before assemble_end_function.
3016 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
3017 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
3019 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
3020 * unwind.h: Declare them.
3021 * libgcc-std.ver: Export them.
3022 * unwind-pe.h: New file.
3024 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3026 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
3028 (find_fde_for_dso): Extract DT_PLTGOT.
3029 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
3030 the segment and gp as well.
3031 * config/ia64/frame-ia64.c: Remove file.
3032 * config/ia64/frame-ia64.h: Remove file.
3033 * config/ia64/unwind-ia64.c: New file.
3034 * config/ia64/unwind-ia64.h: New file.
3035 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
3036 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
3037 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
3038 (ASM_PREFERRED_EH_DATA_FORMAT): New.
3039 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
3040 (IA64_UNWIND_INFO): Re-enable.
3041 (HANDLER_SECTION): Remove.
3042 (EH_RETURN_DATA_REGNO): New.
3043 * config/ia64/ia64.md (exception_receiver): Remove.
3044 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
3045 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
3047 2001-05-11 Richard Henderson <rth@redhat.com>
3049 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
3050 calls and jumps to be bundled together.
3051 (ia64_reorg): Emit a break after a noreturn call that ends
3053 * config/ia64/ia64.md (break_f): New.
3055 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3057 * c-lex.c (lex_charconst): Convert into a simple wrapper
3058 around cpp_interpret_charconst, to which most of the code
3060 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
3061 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
3062 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
3063 (lex): Use cpp_interpret_charconst.
3064 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
3065 hex_digit_value): New functions.
3066 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
3067 * cpplib.h (cpp_interpret_charconst): New prototype.
3068 * Makefile.in: Update.
3070 2001-05-12 Dean Wakerley <dean@wakerley.com>
3072 * doc/install.texi: New file. Converted to texinfo from the HTML
3073 documentation in wwwdocs/htdocs/install.
3075 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
3077 * gcse.c (insert_insn_end_bb): Do not search for assignments to
3078 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3080 * toplev.c (compile_file): Move comment for opening output
3081 file to just before the code that opens the output file.
3083 2001-05-11 Jakub Jelinek <jakub@redhat.com>
3085 * regmove.c (regmove_optimize): Suppress the optimization for
3086 unchanging destination register. Add comment above function.
3088 2001-05-11 Zack Weinberg <zackw@stanford.edu>
3090 * Makefile.in: Exterminate all references to assert.h.
3091 * cross-make: Likewise.
3093 * configure.in: Correct commentary.
3094 * configure: Regenerate.
3096 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
3099 * config/t-freebsd, config/t-linux, config/t-linux-aout,
3100 config/t-netbsd, config/t-rtems, config/x-linux,
3101 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
3102 No need to override INSTALL_ASSERT_H.
3104 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
3105 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
3106 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
3108 2001-05-11 Graham Stott <grahams@redhat.com>
3110 * combine.c (simplify_comparison): Fix typo.
3112 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3114 * loop.h (struct movables): Remove `num'.
3115 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
3116 Adjust call to strength_reduce.
3117 (num_unmoved_movables): New function.
3118 (move_movables): Don't set movables->num.
3119 (strength_reduce): Compute the number of instructions in the loop
3120 here, rather than in the caller.
3121 (check_dbra_loop): Always clear reversible_mem_store if there
3122 are any memory sets.
3123 (loop_regs_scan): Don't count instructions here.
3124 (count_insn_in_loop): New function.
3126 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3128 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
3130 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
3132 * c-common.c (finish_label_expr): New function, lifted from
3133 from cp/semantics.c.
3134 * c-common.h (finish_label_expr, lookup_label): New prototypes.
3135 * c-parse.in: Move 3 blocks of parser code into new functions.
3136 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
3137 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
3138 (lookup_label): Remove.
3140 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
3142 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
3143 FLOAT_BIT_ORDER_MISMATCH.
3145 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3147 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
3148 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
3150 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3152 * expr.c (emit_group_load): extract_bit_field requires a REG or
3155 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
3157 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
3158 a computed jump into an unconditional jump.
3159 In second hunk of code for collapsing computed and conditional jumps
3160 into unconditional jumps, reemit the jump in additional cases.
3162 * jump.c (jump_optimize_1): Do not wrap the new jump target
3163 inside a LABEL_REF; gen_jump will do that automatically.
3165 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
3167 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
3168 contents for a SYMBOL_REF in case of floating point constants.
3170 2001-05-10 DJ Delorie <dj@redhat.com>
3172 * c-common.c (combine_strings): Widen strings in a
3173 host-endian-independent way.
3175 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
3177 * c-parse.in: Remove many shift/reduce conflicts. Update
3179 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
3180 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
3181 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
3182 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
3183 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
3184 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
3185 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
3186 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
3187 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
3188 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
3189 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
3190 typespec_reserved_nonattr, typespec_reserved_attr,
3191 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
3192 structsp_nonattr, components_notype, component_notype_declarator,
3193 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
3194 firstparm, setspecs_fp): New
3195 (typed_declspecs, reserved_declspecs, typed_typespecs,
3196 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
3197 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
3198 declmods_no_prefix_attr, nonempty_type_quals, structsp,
3199 type_quals): Remove. Users updated.
3200 (initdecls, notype_initdecls, after_type_declarator,
3201 parm_declarator, notype_declarator, absdcl1, components, ivars):
3202 Don't allow attributes at the start of a declarator; include them
3203 in the production containing the declarator instead. Always
3204 require type specifiers before trying to redeclare a typedef name.
3205 (typename): Allow for attributes but warn that they are ignored.
3206 (parmlist, firstparm, setspecs_fp): Include attributes in
3207 parmlist; suck them off the parser stack in firstparm using
3210 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
3212 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
3213 to determine if a block has an unconditional jump at its end.
3215 * jump.c (jump_optimize_1): When converting a conditional jump
3216 to an unconditional jump, build the jump using gen_jump instead
3217 of just modify operands in-place.
3219 2001-05-09 Zack Weinberg <zackw@stanford.edu>
3221 * cppinit.c (cpp_post_options): Shut off macro expansion if
3223 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
3224 IN_I directives only if the # is in column 1 and the directive
3225 name begins in column 2.
3226 * cppmain.c (scan_buffer): Insert a space between # and an
3227 identifier, when that identifier is a directive name.
3229 * tradcpp.c (struct file_buf): Add a pointer to the next entry
3230 in the header search path.
3231 (enum node_type): Add T_INCLUDE_NEXT.
3232 (directive_table): Add entry for include_next.
3233 (do_include_next): New function.
3234 (process_include): New routine, broken out of do_include.
3235 (finclude): Insert 'nhd' argument, to be copied into
3236 next_header_dir of the new buffer.
3237 (main): Adjust to match.
3238 * gsyslimits.h, limity.h: Un-indent #include_next.
3240 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
3242 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
3243 inclusion as a chapter of the GCC manual.
3244 * gcc.texi: Include objc.texi.
3245 * fdl.texi: Use @unnumberedsec for the addendum.
3246 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
3248 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3250 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
3252 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
3254 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
3255 handling of two-address insns.
3257 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
3259 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
3260 ../binutils/nm-new instead of ../binutils/nm.
3262 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3264 * i386.md (movdi splitter): Fix the splitting condition
3265 (float_extenddftf splitter): Fix mode.
3267 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3269 * genrecog.c (write_switch): Avoid outputting of switch for
3270 types wider than int.
3272 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
3274 * reload1.c (copy_eh_notes): New function.
3275 (emit_input_reload_insns): Call it.
3276 (emit_output_reload_insns): Call it.
3278 2001-05-07 Zack Weinberg <zackw@stanford.edu>
3280 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
3282 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
3283 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
3285 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
3287 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
3289 * pa.md (interspace_jump): Revise comment.
3290 (builtin_longjmp): Block initial setup insns from delay slot of
3292 (builtin_setjmp_receiver): New expander to save and restore PIC
3295 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
3297 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
3299 * toplev.c (compile_file): Set up the output file before we call
3300 the various initializers for the compiler.
3302 * except.c (sjlj_mark_call_sites): Do not search for assignments to
3303 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3305 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
3306 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
3308 2001-05-06 Zack Weinberg <zackw@stanford.edu>
3310 * Makefile.in (tradcpp0): Correct typo in dependency list.
3312 2001-05-06 Geoff Keating <geoffk@redhat.com>
3314 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
3315 the link register if we're not going to use it.
3317 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
3318 (output_function_profiler): Likewise.
3320 2001-05-07 Alan Modra <amodra@one.net.au>
3322 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
3324 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
3326 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
3327 zero-extend it. Make abs_inc unsigned.
3329 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
3330 widest mode in narrowing and widening operations.
3332 * config/mips/mips.md: Sign extend CONST_INTs.
3334 2001-05-06 Andreas Jaeger <aj@suse.de>
3336 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
3337 (i386 Options): Document -momit-leaf-frame-pointer.
3339 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
3341 * c-typeck.c (internal_build_compound_expr): Check for
3342 array to pointer conversion just once.
3344 2001-05-05 Richard Henderson <rth@redhat.com>
3346 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
3348 2001-05-05 Richard Henderson <rth@redhat.com>
3350 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
3351 to the parent of the fixup region.
3353 2001-05-05 Jakub Jelinek <jakub@redhat.com>
3355 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
3357 * cpp.texi (__NO_INLINE): Document it.
3359 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
3361 * cppfiles.c (struct include_file): New member err_no.
3362 (find_or_create_entry): Set it.
3363 (open_file): Don't set fds to -2. Instead, use err_no to
3364 remember previous errors, if any.
3366 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3368 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
3369 between X and Y by using sequences of xgdx and xgdy.
3371 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3373 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
3374 of '!' for the 'D' alternative ('!' is too strong).
3375 ("*logicalsi3_silshl16"): Likewise.
3376 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
3377 ("movstrictsi"): Remove spurious '+'.
3378 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
3379 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
3380 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
3383 2001-05-04 David Edelsohn <edelsohn@gnu.org>
3385 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
3387 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
3389 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
3392 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3394 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
3397 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3399 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
3400 soft register, use ror instead of rol.
3402 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3404 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
3405 into account pre/post increment decrement for 68HC12.
3406 Fix other problems in replacement and fix call to reg_mentioned_p.
3408 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3410 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
3411 Put the soft registers in bss for 68HC12.
3412 (L_regs_d3_4): New for _.d3 and _.d4.
3413 (L_regs_d5_6): Likewise.
3414 (L_regs_d1_2): Likewise.
3415 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
3417 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3419 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
3420 to the pre-processor when -fshort-double is specified.
3421 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
3423 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3425 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
3426 (__mulsi3): Rewrite for 68HC12.
3427 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
3428 Mark 'x' constraint with earlyclobber to prevent a
3429 RELOAD_FOR_OTHER_ADDRESS to go in it.
3430 (mulhi3_m68hc12): New pattern.
3431 (mulhi3_m68hc11): Rename of mulhi3.
3432 (mulhi3): New expand for 68HC12 optimisation.
3433 (umulhisi3, mulhisi3): New patterns for 68HC12.
3435 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3437 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
3438 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
3439 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
3441 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3443 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
3444 constants cheap after reload.
3445 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
3447 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
3448 so that gcc prefers a shift by 16.
3449 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
3451 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
3453 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
3455 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3457 * alpha.h: NULL_PTR -> NULL.
3464 * i386.md: Likewise.
3467 * m68hc11.h: Likewise.
3468 * rs6000.h: Likewise.
3471 * sparc.h: Likewise.
3475 * final.c: Likewise.
3477 * recog.c: Likewise.
3479 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3481 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
3482 `bool' parameter to `int'.
3484 * hash.c (hash_lookup): Likewise.
3486 * hash.h (hash_lookup): Likewise.
3488 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3490 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3492 * i386.c (x86_initialize_trampoline): Fix mode of constant.
3494 2001-05-03 Geoff Keating <geoffk@redhat.com>
3496 * invoke.texi (i386 Options): Delete references to -malign-jumps,
3497 -malign-loops, -malign-functions.
3498 * i386.c (ix86_align_funcs): Delete.
3499 (ix86_align_loops): Delete.
3500 (ix86_align_jumps): Delete.
3501 (override_options): Mark -malign-* as obsolete. Emulate their
3502 behaviour with the -falign-* options. Default -falign-* from
3503 the processor table.
3504 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
3505 patch of Wed May 2 13:09:36 2001.
3506 (LOOP_ALIGN): Delete.
3507 (LOOP_ALIGN_MAX_SKIP): Delete.
3508 (LABEL_ALIGN_AFTER_BARRIER): Delete.
3509 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
3511 2001-05-04 Andreas Jaeger <aj@suse.de>
3513 * except.h: Add prototype declaration for
3514 expand_builtin_init_dwarf_reg_sizes.
3516 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
3518 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
3520 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3522 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
3524 ("bitcmpqi2"): New pattern for bit-extract and test.
3525 ("bitcmphi"): New pattern for bitb/bita instructions.
3527 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
3529 * gccbug.in: Use a temporary directory when the mktemp command is
3532 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3534 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
3536 (INITIALIZE_TRAMPOLINE): Call it.
3537 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
3538 (TRAMPOLINE_TEMPLATE): Remove.
3539 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
3540 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
3543 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3545 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
3546 and crtendS.o with PIC.
3548 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3550 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
3552 (___subdi3, ___adddi3): Use x instead of y as index register.
3553 (__init_bss_section, __map_data_section): Optimize for 68HC12.
3554 (__memset, __memcpy): Likewise.
3555 (regs): Put the soft registers in bss for 68HC12.
3556 (abort): Use trap to abort for 68hc12.
3557 (__mulhi3, __mulhi32): Use emul for 68hc12.
3558 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
3560 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3562 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
3563 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
3564 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
3565 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
3566 Set 68HC12 min offset to -65536.
3567 (print_operand): Put parenthesis arround the operand if it refers
3568 to a symbol having the same name as a register.
3569 (m68hc11_z_replacement): When z register is replaced by its
3570 equivalent soft register, force the insn to be re-recognized.
3571 (m68hc11_check_z_replacement): Fix the test when destination is
3572 the index register and z dies in the insn.
3573 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
3575 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3577 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
3578 costs according to processor variant.
3579 (m68hc11_shift_cost): New function to compute shift costs.
3580 (m68hc11_rtx_costs): Define costs according to processor variant.
3581 (m6811_cost): Costs for 68HC11.
3582 (m6812_cost): Costs for 68HC12.
3583 (COSTS_N_INSNS): Remove.
3585 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
3586 (DEFAULT_RTX_COSTS): Remove.
3587 (CONST_COSTS): Define costs according to OUTER_CODE.
3588 (processor_costs): New struct to define costs.
3589 (m68hc11_cost): Pointer to current costs.
3591 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3593 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
3594 and use m68hc11_notice_keep_cc when using leax/leay.
3595 (addhi3 split): Reject split if the insn is handled by
3597 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
3598 push must be handled in a special way if the source operand uses
3599 sp as index register.
3600 (m68hc11_notice_keep_cc): New function.
3601 (m68hc11_gen_movhi): Use it when an insn changes a register but
3603 (m68hc11_gen_movqi): Fix move for 68HC12.
3604 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
3606 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3608 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
3609 and don't pass operands[0] to emit_library_call_value.
3611 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3613 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
3614 (zero_extendsi split): Simplify and use (zero_extendhi).
3615 (*addhi3): Remove 'w' constraint since stack pointer is handled
3617 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
3618 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
3619 (*ashrhi3_const): Fix shift by 7.
3620 (*lshrsi3_const16): Fix template.
3621 (call, call_value): Fix constraint and predicate.
3623 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3625 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
3626 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
3627 (CC_REGNUM): Likewise.
3628 (*unnamed splits): Use above constants instead of hard coded numbers.
3629 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
3630 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
3631 (*return_16bit, *unnamed peepholes): Likewise.
3633 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3635 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
3636 rs6000/rs6000.h twice.
3638 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
3640 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
3641 (CPP_SPEC): Conditionally define MSDOS and GO32.
3642 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
3643 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
3645 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
3647 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3649 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
3651 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3653 * integrate.h (struct inline_remap): Add leaf_reg_map table.
3654 * integrate.c (expand_inline_function): Use xcalloc to allocate
3656 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
3659 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3661 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
3664 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3666 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
3667 linker if -mrelax is given.
3668 (TARGET_SWITCHES): Document -mrelax.
3670 Re-installed 2001-01-09's patch:
3671 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3672 if it's wider than long and the target's long is wider than the
3675 2001-05-02 David O'Brien <obrien@FreeBSD.org>
3677 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
3678 directly include rs6000/rs6000.h. Instead do it in tm.h.
3680 2001-05-02 Stan Shebs <shebs@apple.com>
3682 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
3683 NSConstantString for NeXT-style runtimes.
3684 (STRING_OBJECT_GLOBAL_NAME): New macro.
3685 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
3686 OCTI_STRING_CLASS_DECL.
3687 (constant_string_global_id): New macro.
3688 (string_class_decl): Ditto.
3689 (setup_string_decl): New function.
3690 (build_objc_string_object): Use it to build a NeXT runtime
3691 compatible string initializer.
3693 2001-05-02 Jakub Jelinek <jakub@redhat.com>
3695 * tradcpp.c (do_define): Make sure we don't walk past limit.
3697 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3699 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
3700 offsets if not REG_OK_STRICT.
3702 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
3703 (INT_REG_OK_FOR_INDEX_P): Likewise.
3704 (INT_REG_OK_FOR_BASE_P): Likewise.
3705 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
3706 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
3707 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
3708 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
3709 REG_OK_FOR_BASE_P. Take an additional parameter.
3710 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
3711 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
3712 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
3713 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
3714 rs6000_legitimate_address() and use it.
3715 * config/rs6000/rs6000.c: Update all callers.
3716 (rs6000_legitimate_address): New function.
3718 2001-05-02 David Edelsohn <edelsohn@gnu.org>
3720 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
3721 special_constant conditional blocks together.
3723 2001-05-02 Dale Johannesen <dalej@apple.com>
3725 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
3727 (STRICT_ARGUMENT_NAMING): Define.
3728 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
3729 function_arg_partial_nregs, setup_incoming_varargs): Remove
3730 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
3733 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3735 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
3737 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
3740 * expr.c (store_field): Do nothing except elaborate side-effects if
3743 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3745 * c-lex.c: NULL_PTR -> NULL.
3747 * emit-rtl.c: Likewise.
3749 * genpeep.c: Likewise.
3751 * mips-tdump.c: Likewise.
3752 * reload1.c: Likewise.
3753 * rtlanal.c: Likewise.
3755 * stor-layout.c: Likewise.
3756 * toplev.c: Likewise.
3758 2001-05-01 Per Bothner <per@bothner.com>
3760 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
3761 call do_pending_stack_adjust before emiting label.
3763 2001-05-01 Mark Mitchell <mark@codesourcery.com>
3765 * extend.texi: Fix typo.
3767 2001-05-01 Stan Shebs <shebs@apple.com>
3769 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
3770 of UOBJC_MODULES_decl.
3771 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
3772 (generate_descriptor_table): Ditto.
3773 (generate_protocols): Ditto.
3774 (generate_protocol_list): Ditto.
3775 (generate_classref_translation_entry): Ditto.
3777 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
3779 * invoke.texi (Optimize Options): Add documentation for `--param
3780 max-delay-slot-insn-search' and `--param
3781 max-delay-slot-live-search' and reorder --param section.
3782 * params.def: Modify initial comment.
3783 * params.h (param_info): Add `help' member.
3784 * toplev.c (lang_independent_params): Include `help' description.
3785 (display_help): Print --param parameters.
3787 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3789 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
3790 Remove references to deleted files.
3791 (*-*-openbsd): No need to override xmake_file.
3792 (*-*-sysv4): Treat like *-*-sysv.
3794 * configure.in: Probe for ldopen in various places, and set up
3795 collect2 to be linked with them if found.
3796 Don't dink with Windows registry stuff unless $host_os is a
3797 Win32 os name. Check to see if we need -ladvapi32.
3798 * configure: Regenerate.
3800 * Makefile: Get rid of CLIB and HOST_CLIB.
3801 Substitute in COLLECT2_LIBS and link collect2 against its contents.
3802 * build-make: Get rid of HOST_CLIB.
3804 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
3805 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3806 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3807 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
3808 config/rs6000/x-rs6000: Delete.
3810 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
3813 24 x-host fragments remain, 0 x-cpu, 3 top level.
3815 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3817 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
3818 * configure: Regenerate.
3820 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
3822 * Makefile.in (install-headers): Remove redundant dependency.
3824 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
3826 * c-tree.texi (USING_STMT): Document.
3828 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3830 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
3831 * c-common.c: Likewise.
3832 * c-decl.c: Likewise.
3833 * combine.c: Likewise.
3834 * rs6000.c: Likewise.
3835 * except.c: Likewise.
3836 * explow.c: Likewise.
3838 * fold-const.c: Likewise.
3839 * function.c: Likewise.
3842 * integrate.c: Likewise.
3844 * objc/objc-act.c: Likewise.
3845 * recog.c: Likewise.
3846 * reg-stack.c: Likewise.
3847 * reload.c: Likewise.
3848 * reload1.c: Likewise.
3849 * simplify-rtx.c: Likewise.
3851 * varasm.c: Likewise.
3853 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
3855 * diagnostic.def: New file.
3856 * diagnostic.h (diagnostic_t): New enum.
3857 * Makefile.in (diagnostic.o): Depend on diagnostic.def
3859 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3861 * tsystem.h: Test only POSIX for availability of string.h
3863 * config.gcc (all systems): If USG appeared in xm_defines,
3864 change it to POSIX. If both USG and POSIX appeared, just
3865 delete USG. Remove unnecessary quotes around xm_defines
3867 (m68k-crds-unos*): Don't #define unos - tested nowhere.
3868 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
3869 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
3870 powerpc-*-linux*): No need to set xm_defines - handled by
3871 global settings for *-*-linux*.
3873 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3875 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
3876 Always include gstab.h, not system stab.h. Don't provide
3877 default definitions of N_CATCH or N_OPT. Always use the
3878 gstab.h variant of STAB_CODE_TYPE.
3879 * final.c: Don't include stab.h/gstab.h at all, or provide
3880 defaults for N_SLINE and N_SOL.
3882 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
3883 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
3885 * sdbout.c: Always include gsyms.h instead of system syms.h.
3887 * configure.in: No need to check for stab.h.
3888 * configure, config.in: Regenerate.
3889 * Makefile.in (final.o): Don't depend on gstab.h.
3891 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3892 Richard Henderson <rth@redhat.com>
3894 * extend.texi: Improve documentation of volatile asms.
3896 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3898 * c-tree.texi: Fix thinko.
3899 * gcc.texi: Likewise.
3901 2001-04-30 Richard Henderson <rth@redhat.com>
3903 * c-common.c (c_promoting_integer_type_p): New function, from the
3904 corpse of old macro. Properly promote too-small enumerations and
3905 booleans. Adjust all callers.
3906 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
3907 (c_promoting_integer_type_p): Declare.
3908 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
3909 * c-typeck.c: Likewise.
3910 (default_conversion): Remove now redundant boolean check.
3912 2001-04-30 Jan Hubicka <jh@suse.cz>
3913 Richard Henderson <rth@redhat.com>
3915 * regmove.c (try_apply_stack_adjustment): Remove now redundant
3917 (combine_stack_adjustments_for_block): Don't combine stack
3918 allocation followed by deallocations. Handle grow-up stacks.
3920 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3922 * fdl.texi: New file.
3923 * c-tree.texi: Use the GFDL.
3924 * gcc.texi: Likewise.
3926 2001-04-30 Stan Shebs <shebs@apple.com>
3928 * invoke.texi: Add a section documenting Objective-C options.
3930 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
3932 * emit-rtl.c (try_split): Copy EH notes to sequence.
3934 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3936 * regmove.c (record_stack_memrefs): Catch all references to the
3939 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
3941 * Makefile.in (stmp-fixinc): quote shell assignment values
3943 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3945 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
3949 * prefix.c: Likewise.
3951 2001-04-28 Stan Shebs <shebs@apple.com>
3953 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
3954 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
3955 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
3956 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
3958 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
3959 (NEXT_OBJC_RUNTIME): Define.
3961 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
3963 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
3964 * simplify-rtx.c (simplify_gen_relational): Likewise.
3966 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
3968 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
3969 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
3971 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
3972 registers in SSE case; fix handling of the immediates.
3973 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
3974 operands to be in regsiters before reload.
3975 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
3976 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
3977 (abstf,absxf,negtf,negxf splitters): Compute
3978 properly the regnum for x86_64.
3979 (avsdf2_if_rex64): New.
3981 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
3983 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
3984 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
3985 into the constant pool.
3986 * jump.c (jump_optimize_1): Remove barrier successors after all
3987 the LABEL_NUSES counds have been computed.
3988 (delete_barrier_successors): When deleting a tablejump insn, also
3989 delete the jump table it uses.
3990 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
3993 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
3995 * pa.c (FRP): Remove erroneous white space in macro definition.
3997 2001-04-28 Andreas Jaeger <aj@suse.de>
3999 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
4001 * extend.texi: Likewise.
4002 * tm.texi: Likewise.
4004 2001-04-28 Andreas Jaeger <aj@suse.de>
4006 * md.texi: Use XX-bit instead of XXbit or XX bit where
4009 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
4011 * gcc.c (process_command): Allow -l lib in addition to -llib
4012 for POSIX compliance. This fixes PR c/2347.
4014 * invoke.texi: Update section on Link Options accordingly.
4016 2001-04-27 Zack Weinberg <zackw@stanford.edu>
4018 * function.c (purge_addressof_1): Remove the duplicate
4019 if (code == SET) block. Fold the two if (code == ADDRESSOF)
4022 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
4024 * except.c (expand_eh_region_start): Don't start a new block.
4025 (expand_eh_region_end): Don't end a block.
4026 * stmt.c (expand_end_bindings): Don't end EH blocks.
4027 (expand_decl_cleanup): Starting an EH region won't change the block.
4028 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
4029 (is_eh_region): Lose.
4032 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
4034 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
4036 * collect2.c (main): Add `-L' case to remove duplicate entries.
4037 (is_in_args): New function to check for a duplicate argument.
4038 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
4039 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
4040 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
4041 Define to be nonzero.
4043 2001-04-27 Andreas Jaeger <aj@suse.de>
4044 Richard Henderson <rth@redhat.com>
4046 * md.texi (Machine Constraints): Document additional i386
4047 constraints and fix description of "A".
4049 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
4051 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
4053 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
4055 * except.c (get_exception_filter): word_mode, not Pmode.
4057 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
4059 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
4060 common to other movsf patterns. Move up so that in future
4061 people who change the other patterns will change it too.
4062 (movsf_lo_sum): Allow even for soft-float; add appropriate
4064 (movsf_high): Likewise.
4065 (movsf_high+1): Allow even for soft-float.
4067 * function.c (expand_function_end): Always clobber the
4068 return registers, even if there is no return label.
4070 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4072 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
4074 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
4076 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
4077 (pushqi2_rex64, pushhi2_rex64): Add.
4079 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
4081 * except.c (expand_eh_region_end_cleanup): Force pending stack
4082 adjust before emitting label that branches around cleanup code.
4084 2001-04-26 H.J. Lu (hjl@gnu.org)
4086 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
4088 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
4090 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
4091 (ASM_OUTPUT_SECTION_NAME): Likewise.
4092 (ASM_WEAKEN_LABEL): Likewise.
4093 (UNIQUE_SECTION): Likewise.
4094 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4095 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4096 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
4097 (ASM_OUTPUT_SECTION_NAME): Likewise.
4098 (ASM_WEAKEN_LABEL): Likewise.
4099 (UNIQUE_SECTION): Likewise.
4100 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4101 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4102 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
4103 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
4104 (ASM_FILE_START): Likewise.
4105 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4106 (ASM_DECLARE_OBJECT_NAME): Likewise.
4107 (ASM_FILE_END): Likewise.
4108 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4109 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4110 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4111 (ASM_OUTPUT_CASE_LABEL): Likewise.
4112 (ASM_OUTPUT_SKIP): Likewise.
4113 (ASM_OUTPUT_ASCII): Likewise.
4114 (ASM_OUTPUT_IDENT): Likewise.
4115 (READONLY_DATA_SECTION): Likewise.
4116 (EXTRA_SECTIONS): Likewise.
4117 (EXTRA_SECTION_FUNCTIONS): Likewise.
4118 (SELECT_RTX_SECTION): Likewise.
4119 (SELECT_SECTION): Likewise.
4121 * config/mips/linux.h (INVOKE__main): Undefine.
4122 (CTOR_LIST_BEGIN): Likewise.
4123 (CTOR_LIST_END): Likewise.
4124 (DTOR_LIST_BEGIN): Likewise.
4125 (DTOR_LIST_END): Likewise.
4126 (SET_ASM_OP): Defined it to ".dummy".
4127 (ASM_OUTPUT_DEF): Defined.
4128 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
4130 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
4132 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
4133 assembler supports .p2align.
4135 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
4137 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
4139 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4141 * integrate.c (expand_inline_function): Check for error_mark_node
4144 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4146 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
4149 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
4151 * configure.in (configargs.h): Define thread_model.
4152 * configure: Rebuilt.
4153 * gcc.c (main): Print it with -v.
4155 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
4157 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
4158 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
4159 * gcc.1: Regenerate.
4161 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4163 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
4164 is_redundant_typedef): Use static inline instead of inline static.
4166 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
4168 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
4169 this directory is always searched.
4171 2001-04-25 Richard Henderson <rth@redhat.com>
4173 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
4174 of registers to restore along non eh_return path.
4176 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4178 * c-format.c (check_format_info_recurse): Handle
4179 PLUS_EXPR for format string.
4181 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4183 * config/ia64/ia64.h (CC1_SPEC): Define.
4184 * config/ia64/linux.h (CC1_SPEC): Define.
4186 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
4188 * emit-rtl.c (constant_subword): Also do sign extension in
4189 BITS_PER_WORD == 16 case.
4191 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
4193 * loop.c (try_swap_copy_prop): Go back to checking insn.
4195 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4197 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
4198 if check_mode is non-zero.
4200 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4202 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
4203 out and comparison sequence has been detected, put result into
4204 proper temporary pseudo.
4206 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4208 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
4209 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
4210 * libgcc2.c: Remove __dummy and __builtin_saveregs.
4211 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
4212 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
4213 for future reference.
4215 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
4217 * except.c (reachable_handlers): Step out one level from a RESX.
4219 * except.c (struct eh_region): Rename 'last' to 'resume'.
4220 (mark_eh_region, duplicate_eh_region_1): Adjust.
4221 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
4222 (build_post_landing_pads): Likewise.
4223 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
4224 (expand_eh_region_end_must_not_throw): Likewise.
4225 (connect_post_landing_pads): Thread (only) regions with non-deleted
4228 * except.c (expand_eh_region_end_cleanup): Save the EH return data
4229 registers around the cleanup.
4230 (get_exception_filter): New fn.
4231 (finish_eh_generation): Use it.
4233 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
4235 * c-semantics.c (add_scope_stmt): Don't call
4236 current_scope_stmt_stack multiple times.
4238 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4239 Nathan Sidwell <nathan@codesourcery.com>
4241 Lazy __FUNCTION__ generation.
4242 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
4243 RID_C99_FUNCTION_NAME): New _RIDs.
4244 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
4245 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
4246 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
4248 (function_id_node, pretty_function_id_node, func_id_node): Remove.
4249 (c99_function_name_decl_node, function_name_decl_node,
4250 pretty_function_name_decl_node, saved_function_name_decls):
4252 (struct language_function): Remove x_function_name_declared_p.
4253 (make_fname_decl): Remove a parameter.
4254 (declare_function_names): Remove prototype.
4255 (start_fname_decls, finish_fname_decls): Prototype.
4256 (fname_as_string): Likewise.
4257 (fname_string, fname_decl): Likewise.
4258 * c-common.c (make_fname_decl): Adjust.
4259 (struct fname_var_t): New struct.
4260 (fname_vars): New static array.
4261 (declare_function_name): Remove.
4262 (start_fname_decls, finish_fname_decls): New functions.
4263 (fname_as_string): New function from remnants of
4264 declare_function_name.
4265 (fname_string, fname_decl): New functions.
4267 * c-decl.c (c_function_name_declared_p): Remove.
4268 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
4269 don't call declare_function_name. Call start_fname_decls.
4270 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
4271 clobber the line number. Call finish_decl.
4272 (start_function): Call start_fname_decls.
4273 (finish_function): Call finish_fname_decls.
4274 Remove c_function_name_declared_p.
4275 (push_c_function_context): Don't push c_function_name_declared_p.
4276 (pop_c_function_context): Don't pop c_function_name_declared_p.
4277 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
4278 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
4279 (program): Call finish_fname_decls for C.
4280 (primary): Add VAR_FUNC_NAME.
4281 (reswords): Add slots for __FUNCTION__ et al.
4282 (rid_to_yy): Add mappings for __FUNCTION__ et al.
4283 (yylexname): If it's a STRING_FUNC_NAME generate the function name
4284 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
4285 * c-semantics.c (prune_unused_decls): Remove.
4286 (finish_stmt_tree): Don't call prune_unused_decls.
4287 (genrtl_decl_stmt): Don't prune unused decls here.
4289 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
4291 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
4292 constant pool, use the pool's SYMBOL_REF instead.
4294 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
4297 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
4299 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
4300 passing nested NOP_EXPRs to fold.
4302 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
4304 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
4306 2001-04-22 Mark Mitchell <mark@codesourcery.com>
4308 * loop.c (loop_delete_insns): Add prototype.
4310 2001-04-23 Phil Edwards <pme@sources.redhat.com>
4312 * configure.in: Remove ENABLE_STD_NAMESPACE.
4313 * config.in: Regenerated.
4314 * configure: Regenerated.
4316 2001-04-22 Stan Shebs <shebs@apple.com>
4318 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
4320 * config/rs6000/xm-darwin.h: Remove file.
4322 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4324 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
4325 (write_c_file_stat): Likewise.
4327 * dbxout.c (dbxout_init): Likewise.
4329 * profile.c (output_func_start_profiler): Likewise.
4331 2001-04-22 Philipp Thomas <pthomas@suse.de>
4333 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
4334 require it instead of the CVS version.
4335 * cpperror.c (v_message): Put a blank before the macro
4336 body to not confuse exgettext.
4338 2001-04-21 Mark Mitchell <mark@codesourcery.com>
4340 * flow.c (proagate_one_insn): Remove useless assignment.
4341 * jump.c (delete_insn): Tidy.
4342 * loop.c (try_copy_prop): When deleting an instruction with a
4343 REG_RETVAL note, delete the entire libcall sequence.
4344 (loop_delete_insns): New function.
4345 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
4346 we're not substituting into them yet.
4348 2001-04-21 Kazu Hirata <kazu@hxi.com>
4350 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
4352 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
4354 * config/i960/i960.c (signed_arith_operand): Likewise.
4356 * calls.c (expand_call): Fix a comment typo.
4358 2001-04-20 Zack Weinberg <zackw@stanford.edu>
4360 * configure.in: Probe for times, clock, struct tms, and clock_t.
4361 * configure, config.in: Regenerate.
4362 * timevar.c: Replace ifdef forest in get_time with (relatively)
4363 straightforward series of checks based on autoconf's probes.
4365 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
4367 * config/pa/som.h (NM_FLAGS): Define.
4369 2001-04-20 Bernd Schmidt <bernds@redhat.com>
4371 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
4373 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
4374 * ia64.c (nop_cycles_until): New function.
4375 (prev_cycle, prev_first, last_issued): New static variables.
4376 (ia64_sched_reorder): Additional arg for clock.
4377 On final scheduling pass, emit extra NOPs as needed.
4378 Set prev_first and prev_cycle.
4379 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
4380 (ia64_variable_issue): Set last_issued.
4382 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
4384 * config/i386/i386.c (ix86_expand_int_movcc,
4385 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
4387 2001-04-20 Geoff Keating <geoffk@redhat.com>
4389 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
4390 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
4391 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
4392 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
4393 ctrdi_internal6): In the short-branch case, this insn is only 4
4394 bytes long. Reported by Reza Yazdani <reza@apple.com>.
4396 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4398 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
4399 "=u" is used together with "st" resp. "st(1)" clobber.
4401 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4403 * gcse.c (gcse_main): Fix comment typo.
4404 (delete_null_pointer_check): Likewise.
4405 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
4406 * cse.c (cse_insn): Likewise.
4407 * function.c (fixup_var_refs_insns_with_hash): The sequence is
4410 2001-04-19 Zack Weinberg <zackw@stanford.edu>
4412 * toplev.c: Excise all code for the undocumented -dm option.
4413 (float_signal): Call signal just once, unconditionally.
4415 2001-04-19 Geoff Keating <geoffk@redhat.com>
4417 * fold-const.c (fold): Use first_rtl_op rather than
4418 TREE_CODE_LENGTH when looping over parameters of a tree.
4419 Correct strange grouping in test for evaluated SAVE_EXPR.
4421 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
4423 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
4424 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
4426 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
4427 name at 32 total characters.
4428 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
4429 functions in named sections -- data items can still go into unique
4430 sections, but they have normal names (ie $LIT$ and $DATA$).
4432 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
4435 2001-04-19 DJ Delorie <dj@redhat.com>
4437 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4438 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
4439 * config/i386/cygwin.h: Likewise.
4440 * config/i386/mingw32.h: Likewise.
4441 * config/vax/vms.h: Likewise.
4442 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
4444 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4445 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
4446 * config/i386/xm-cygwin.h: Likewise.
4447 * config/i386/xm-djgpp.h: Likewise.
4448 * config/i386/xm-mingw32.h: Likewise.
4449 * config/vax/xm-vms.h: Likewise.
4451 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
4452 instead of OBJECT_SUFFIX.
4453 * collect2.c (find_a_file): Look for files matching the extension
4454 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
4455 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
4456 TARGET_EXECUTABLE_SUFFIX.
4457 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
4458 (make_relative_prefix): Likewise.
4459 (convert_filename): Use TARGET_ suffixes throughout. Remove
4461 (process_command): Likewise.
4462 (do_spec_1): Likewise.
4463 * java/lang.c (init_parse): Likewise.
4465 * gcc.texi : Document four new options matching the pattern
4466 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
4467 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
4468 documentation for NO_AUTO_EXE_SUFFIX.
4470 2001-04-19 Mark Mitchell <mark@codesourcery.com>
4472 * toplev.h (struct lang_hooks): Allow decode_option to indicate
4473 that language-independent processing should not be done.
4474 * toplev.c (main): Adjust accordingly.
4476 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
4477 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
4479 * mips.md (reload_outputdi): Require that operand0 be a
4482 2001-04-19 Jakub Jelinek <jakub@redhat.com>
4484 * invoke.texi (-Wshadow): Clarify.
4486 2001-04-18 Mark Mitchell <mark@codesourcery.com>
4488 * loop.c (load_mems): Examine all the instructions in the loop
4489 before concluding that all jumps branch to the first instruction
4492 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
4494 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
4496 2001-04-18 Jakub Jelinek <jakub@redhat.com>
4498 * cpp.texi (-Wwhite-space): Remove.
4499 (-Wall): -Wall does not imply -Wwhite-space.
4501 2001-04-17 Zack Weinberg <zackw@stanford.edu>
4503 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
4504 use it instead of blindly generating a .stabs.
4505 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
4507 * xcoffout.c: Don't bother defining default for N_CATCH.
4508 (UNKNOWN_STAB): Use internal_error.
4509 (stab_to_sclass): Remove now-unnecessary aborts.
4510 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
4512 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
4514 * jump.c (mark_all_labels): Canonicalize the tail recursion
4515 label attached to CALL_PLACEHOLDER insns.
4517 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4519 * output.h (dump_flow_info, free_basic_block_vars,
4520 which_alternative): Delete redundant prototypes.
4522 * rtl.h (bss_section): Likewise.
4524 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
4526 * dbxout.c (N_OPT): Define if not available from <stab.h>
4528 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4530 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
4531 libraries and native K&R compilers.
4533 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4535 * c-typeck.c (convert_arguments): Don't check for width changes
4538 * invoke.texi (-Wtraditional): Update documentation.
4540 2001-04-16 Zack Weinberg <zackw@stanford.edu>
4542 * toplev.c (output_lang_identify): Delete.
4543 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
4544 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
4545 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
4546 after calling ASM_FILE_END.
4548 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
4549 Instead, unconditionally emit an N_OPT stab with string equal
4550 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
4552 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
4554 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
4555 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
4556 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
4557 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
4558 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
4559 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
4560 config/i370/i370.h, config/i386/beos-elf.h,
4561 config/i386/osf1elf.h, config/i386/osfrose.h,
4562 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
4563 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
4564 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
4565 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
4566 config/mips/iris6.h, config/mips/osfrose.h,
4567 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
4568 config/sparc/sp64-elf.h:
4569 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
4570 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
4572 * config/elfos.h, config/freebsd.h, config/linux.h,
4573 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
4574 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
4575 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
4576 of ASM_FILE_START which merely emit a .version directive. Delete
4577 definitions of ASM_FILE_END which merely emit an .ident directive.
4579 * config/avr/avr.h, config/vax/vax.h: Delete definition of
4580 ASM_IDENTIFY_GCC and move part of its logic into
4583 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
4584 config/sparc/linux-aout.h: Don't emit .version directive in
4587 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
4588 (output_file_start): Correct comment.
4590 * config/i386/osfrose.h: Don't emit trailing .ident directive.
4591 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
4593 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
4594 * config/rs6000/aix.h: Correct comment.
4596 * config/i386/i386afe.h: Delete.
4597 * config.gcc: Remove references to i386afe.h.
4599 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
4600 other macros deleted by this patch were undocumented.
4602 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
4604 * pa.md (reload_outdi): Operand 0 must be a non hard register.
4606 * pa.c (secondary_reload_class): SAR<->FP copies require a
4609 * install.texi (mips-mips-bsd): Update list of functions
4610 required to include memmove.
4611 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
4612 used functions to include memmove.
4614 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
4616 * i386.md (sqrtdf2): SFmode should be DFmode.
4618 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
4620 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
4621 (find_moveable_store): Likewise.
4623 2001-04-15 Jim Wilson <wilson@redhat.com>
4625 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
4627 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4629 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
4630 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
4632 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
4634 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
4637 2001-04-14 Alan Modra <amodra@one.net.au>
4639 * pa.c (force_mode): New function.
4640 (emit_move_sequence): Use it instead of generating new rtx_REGs.
4642 2001-04-13 Jim Wilson <wilson@redhat.com>
4644 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
4645 (first_instruction): New static variable.
4646 (rtx_needs_barrier): Return 1 for alloc.
4647 (init_insn_group_barriers): Set first_instruction.
4648 (rws_sum): Delete duplicate definition.
4649 (group_barrier_needed_p): Return 0 when first_instruction true.
4650 (safe_group_barrier_needed_p): Save and restore first_instruction
4651 around group_barrier_needed_p call.
4653 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
4655 * expr.h (enum libfunc_index): Add LTI_memmove.
4656 (memmove_libfunc): Define macro.
4657 * optabs.c (init_optabs): Initialize memmove_libfunc.
4658 * expr.c (expand_assignment): Use memmove_libfunc instead of
4661 2001-04-13 Alan Modra <alan@linuxcare.com.au>
4663 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
4666 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4668 * Makefile.in (reg-stack.o): Depend on reload.h.
4669 (insn-attrtab.o): Depend on flags.h.
4671 * genattrtab (main): Include flags.h in insn-attrtab.c.
4673 * reg-stack.c: Include reload.h.
4675 * sparc.h (flag_pic): Delete redundant declaration.
4677 * output.h (flag_pic): Likewise.
4679 * tree.h (pedantic): Likewise.
4681 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4683 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
4685 * jump.c, regmove.c, toplev.c: Include reload.h.
4687 * reload.h (reload_cse_regs): Declare.
4689 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
4690 reload_cse_regs, init_reload, mark_home_live, reload,
4691 init_caller_save): Delete redundant prototypes.
4693 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4695 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
4697 * regclass.c, ssa.c: Include expr.h.
4699 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
4700 gen_move_insn): Delete redundant declarations.
4702 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4704 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
4705 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
4706 MAKEINFO and MAKEINFOFLAGS too.
4707 (stage4_build): Correctly order -B flags.
4709 2001-04-13 Alan Modra <amodra@one.net.au>
4711 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
4712 PIC_OFFSET_TABLE_SAVE_RTX.
4713 (zdepi_cint_p): Describe zdepi insn.
4714 Formatting and white space fixes throughout file.
4716 * pa.c (uint32_operand): Don't use long constant >= 2^32.
4717 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
4718 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
4719 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
4720 (output_64bit_and): Use plain `int's for shift counts.
4721 (output_64bit_ior): Likewise.
4722 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
4723 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
4726 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
4727 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
4728 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
4729 NEW_HP_ASSEMBLER into one. Kill warnings.
4731 * pa-gas.h: Delete file.
4732 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
4733 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
4734 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
4735 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
4737 * config/pa/mill32.S: New file.
4738 * config/pa/mill64.S: New file.
4739 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
4740 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
4741 * config/pa/t-linux64: New file.
4742 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
4743 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
4744 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
4746 * elfos.h (SELECT_SECTION): Undef before defining.
4747 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
4748 (LIB_SPEC): Remove -lmilli.
4749 (DBX_REGISTER_NUMBER): Remove.
4750 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
4751 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
4752 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
4753 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
4754 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
4755 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
4756 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
4757 TARGET_GAS): Define.
4758 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
4759 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
4760 regs if we don't have a prototype.
4761 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
4762 * pa.h (TARGET_ELF32): Default to 0 if undefined.
4763 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
4764 EH_RETURN_HANDLER_RTX): Define.
4765 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
4766 (DWARF_FRAME_REGNUM): Define.
4767 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
4768 * pa32-linux.h: New file.
4769 * pa64-linux.h: New file.
4771 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4772 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
4773 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
4774 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
4775 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
4776 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
4777 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4778 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
4779 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
4780 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
4781 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4782 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
4783 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
4784 * pa64-hpux.h: New file.
4785 (ASM_FILE_START): Correct typo.
4786 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
4787 * config.gcc: Modify for above.
4789 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
4791 * jump.c (jump_optimize_1): Don't delete dead stores here.
4792 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
4793 prior to running jump optimize before cse2.
4795 2001-04-12 Richard Henderson <rth@redhat.com>
4797 * Makefile.in (regmove.o): Depend on except.h.
4798 * regmove.c: Include it.
4800 2001-04-12 Stan Shebs <shebs@apple.com>
4802 * objc/objc-act.c: Remove all code ifdefed with the never-used
4803 macro OBJC_INT_SELECTORS.
4804 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
4805 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
4807 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
4809 * config/pa/quadlib.c: Add prototypes.
4811 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4813 * bitmap.h (debug_bitmap): Delete redundant prototype.
4815 * rtl.h (get_frame_size): Likewise.
4817 2001-04-12 Jim Wilson <wilson@redhat.com>
4819 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
4820 to just emit an fnorm.
4822 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4824 * c-common.h (truthvalue_conversion, type_for_mode,
4825 type_for_size): Delete redundant declarations.
4827 * c-lex.h (is_class_name): Likewise.
4829 * c-tree.h (pedantic, convert, getdecls, gettags,
4830 global_bindings_p, init_decl_processing, insert_block,
4831 maybe_build_cleanup, poplevel, print_lang_decl,
4832 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
4833 set_block, incomplete_type_error, build_function_call,
4834 lvalue_or_else, mark_addressable): Likewise.
4836 * expr.h (expand_tree_builtin): Likewise.
4838 2001-04-12 Mark Mitchell <mark@codesourcery.com>
4840 * invoke.texi: Document --param max-gcse-memory.
4842 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4844 * configure.in (errno): Check for declaration.
4845 * configure, config.in: Regenerated.
4847 * system.h (errno): Only declare if not already done.
4849 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4851 * recog.c (general_operand, immediate_operand,
4852 nonmemory_operand): Require CONST_INTs to be sign-extended
4853 values for their modes.
4855 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4857 * expmed.c (store_bit_field): Truncate CONST_INTs.
4858 (expand_mult_highpart, expand_divmod): Likewise.
4859 * expr.c (convert_modes, store_field): Likewise.
4860 * integrate.c (expand_inline_function): Use promote_mode() to
4861 determine whether to convert_modes() an argument as signed
4863 * optabs.c (expand_binop): Get CONST_INT operands
4864 sign-extended for their appropriate modes.
4865 * stmt.c (emit_case_nodes): Convert node values to the
4867 (expand_end_case): Convert minval and range to the appropriate
4869 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
4870 the iteration variable.
4871 * varasm.c (immed_double_const): Don't require words to be
4872 narrower than host wide ints to properly sign-extend
4875 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
4877 * sh.md (builtin_setjmp_receiver): New expander.
4879 2001-04-12 David Edelsohn <dje@watson.ibm.com>
4881 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
4882 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
4883 for generating CONST_INT and CONST_DOUBLE.
4885 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4887 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
4888 already sign-extended.
4889 (rs6000_emit_prologue): Make register iterator signed.
4890 (rs6000_emit_epilogue): Likewise.
4891 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
4893 (movsf split, movdf split): Sign-extend CONST_INTs.
4894 (movdi splits): Likewise.
4896 2001-04-12 Kelley Cook <kelley.cook@home.com>
4898 * config-lang.in (lang_dirs): Add in zlib.
4900 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
4902 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
4903 operands that make it to RTL.
4905 2001-04-11 Stan Shebs <shebs@apple.com>
4907 Add Darwin (Mac OS X kernel) native support.
4908 * config.gcc (powerpc-*-darwin*): Add native bits.
4909 * config/darwin.c: New file, generic Darwin support functions.
4910 * config/darwin.h: New file, generic Darwin definitions.
4911 * config/darwin-protos.h: New file, generic Darwin prototypes.
4912 * rs6000/darwin.h: New file, Darwin for PowerPC.
4913 * rs6000/t-darwin: New file, Darwin makefile fragment.
4914 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
4915 (TARGET_MACHO): Ditto.
4916 (rs6000_abi): Add ABI_DARWIN.
4917 (RS6000_REG_SAVE): Add ABI_DARWIN case.
4918 (RS6000_SAVE_AREA): Ditto.
4919 (FP_ARG_MAX_REG): Ditto.
4920 (RETURN_ADDRESS_OFFSET): Ditto.
4921 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
4923 (rs6000_emit_move): Add ABI_DARWIN cases.
4924 (print_operand): Ditto.
4925 (first_reg_to_save): Ditto.
4926 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
4927 (debug_stack_info): Ditto.
4928 (rs6000_emit_prologue): Ditto.
4929 (rs6000_emit_epilogue): Ditto.
4930 (output_profiler_hook): Ditto.
4931 (output_function_profiler): Ditto.
4932 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
4933 (output_mi_thunk): Add TARGET_MACHO case.
4934 (add_compiler_stub): Ditto.
4935 (output_compiler_stub): Ditto.
4936 (no_previous_def): Ditto.
4937 (output_call): Ditto.
4938 (machopic_output_stub): Ditto.
4939 (rs6000_machopic_legitimize_pic_address): Ditto.
4940 (toc_section): Ditto.
4941 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
4942 (macho_high): Ditto.
4945 (load_macho_picbase): Ditto.
4946 (call): Add TARGET_MACHO case to modify function.
4947 (call_value): Ditto.
4948 (call_nonlocal_sysv): Add ABI_DARWIN case.
4949 (call_value_nonlocal_sysv): Ditto.
4950 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
4952 (machopic_output_stub): Ditto.
4953 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
4955 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4957 * dwarf2out.c (modified_type_die): Don't create new types here.
4958 * tree.h (get_qualified_type): New function.
4959 (build_qualified_type): Adjust comment.
4960 * tree.c (get_qualified_type): New function.
4961 (build_qualified_type): Use it.
4963 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4965 * cpp.texi (-Wtraditional): Update description.
4967 * invoke.texi (-Wtraditional): Likewise.
4969 2001-04-11 Jim Wilson <wilson@redhat.com>
4971 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
4972 requires more than 64 bits of alignment.
4974 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
4976 * cpplib.c (do_line): Sanity check iff enable checking.
4978 2001-04-11 Richard Henderson <rth@redhat.com>
4980 * Makefile.in (insn-recog.o): Depend on toplev.h.
4981 (insn-emit.o, doloop.o): Likewise.
4982 * genrecog.c, genemit.c: Include toplev.h in generated file.
4983 * doloop.c: Include toplev.h.
4985 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4987 * Makefile.in (gcse.o): Depend on params.h.
4988 * gcse.c: Include params.h.
4989 (gcse_main): Don't do GCSE if doing so will take inordinate
4991 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
4992 * params.h (MAX_GCSE_MEMORY): New macro.
4994 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4996 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
4998 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
5000 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5002 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
5004 * real.h (ereal_atof, real_value_truncate, target_isnan,
5005 target_isinf, target_negative, assemble_real, debug_real): Delete
5006 redundant prototypes.
5008 * Makefile.in (ifcvt.o): Depend on toplev.h.
5010 * c-semantics.c: Include expr.h.
5012 * ifcvt.c: Include toplev.h.
5014 * expr.h (rtx_equal_p): Delete prototype.
5016 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
5017 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
5018 eliminate_constant_term, expand_complex_abs, find_single_use,
5019 make_tree, init_expr_once, init_optabs, supports_one_only):
5022 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
5023 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
5024 expand_assignment, store_expr, emit_line_note_after,
5025 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
5027 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
5029 * sparc-protos.h: Delete redundant prototypes.
5031 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
5033 * reload.c (push_reload): Add condition missed in SUBREG byte
5036 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5038 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
5040 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
5042 * i386.md (floatsisf_sse): Fix output template
5043 * i386.c (ix86_expand_fp_movcc)
5045 * reg-stack.c (emit_pop_insn): Handle complex modes.
5046 (move_for_stack_reg): Emit proper move mode.
5047 (subst_stack_regs_pat): Handle complex modes.
5049 2001-04-11 Jakub Jelinek <jakub@redhat.com>
5051 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
5053 2001-04-10 Richard Henderson <rth@redhat.com>
5055 * libgcc2.h (__terminate_func_ptr): Remove typedef.
5056 (__pure_virtual, __terminate, __terminate_set_func,
5057 __default_terminate, __throw_type_match, __empty,
5058 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
5059 __eh_rtime_match, __unwinding_cleanup, __rethrow,
5060 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
5061 Remove prototypes of deleted functions.
5063 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5065 * c-typeck.c (convert_arguments): -Wtraditional now activates
5066 -Wconversion warnings, except for changes in signed-ness.
5067 Detect complex<->int & int<->complex conversions as well.
5069 * invoke.texi (-Wtraditional): Document it.
5071 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5073 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
5074 * flow.c (set_block_for_new_insns): Remove needless cast and
5075 properly check for unset block number.
5077 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
5079 * function.c (purge_single_hard_subreg_set): Only check REGNO if
5080 the subreg was a hard register. Pseudos are left as subregs.
5082 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5084 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
5085 (LIB2ADD_ST): New macro, pass it to mklibgcc.
5086 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
5087 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
5088 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
5090 2001-04-09 Bo Thorsen <bo@suse.co.uk>
5092 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
5094 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5096 * output.h (set_block_num): Missed it earlier, remove deprecated
5099 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5101 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
5102 (load_killed_in_block_p): Change bb parameter from int to basic_block.
5103 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
5104 (handle_rd_kill_set): Change bb parameter from int to basic_block.
5105 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
5106 (expr_killed_p): Change bb parameter from int to basic_block, pass
5107 basic_blocks instead of ints as parameters.
5108 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
5109 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
5110 from int to basic_block, pass basic_blocks instead of ints as parms.
5111 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
5112 parameter from int to basic_block, pass basic_blocks instead of ints.
5113 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
5114 (insert_insn_end_bb): Change bb parameter from int to basic_block,
5115 pass basic_blocks instead of ints.
5116 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
5117 basic_blocks instead of ints as parameters.
5118 (pre_delete): Pass basic_blocks instead of ints as parameters.
5119 (hoist_expr_reaches_here_p): Change bb parameter from int to
5120 basic_block, pass basic_blocks instead of ints.
5121 (hoist_code): Pass basic_blocks instead of ints as parameters.
5122 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
5123 Change bb parameter from int to basic_block.
5124 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
5125 (insert_insn_start_bb): Change bb parameter from int to basic_block,
5126 pass basic_blocks instead of ints.
5127 (insert_store): Pass basic_blocks instead of ints as parameters.
5128 (replace_store_insn, delete_store): Change bb parameter from int to
5129 basic_block, pass basic_blocks instead of ints.
5130 (store_motion): Pass basic_blocks instead of ints as parameters.
5132 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5134 * basic-block.h (set_new_block_for_insns): New Prototype.
5135 (set_block_num): Delete prototype.
5136 * flow.c (set_block_num): Remove obsolete function.
5137 (set_block_for_new_insns): Set BB for single or multiple insns.
5138 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
5139 (process_insn_end_bb): Use set_block_for_new_insns or
5140 set_block_for_insn instead of set_block_num.
5141 (pre_insert_copy_insn): Use set_block_for_new_insns.
5142 (update_ld_motion_stores): Use set_block_for_new_insns.
5143 (insert_insn_start_bb): Use set_block_for_new_insns.
5144 (replace_store_insn): Use set_block_for_new_insns.
5146 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5147 Jeff Law <law@redhat.com>
5149 * alias.c (get_addr): Externalize.
5150 (canon_true_dependence): New function. Behaves like true_dependance
5151 except it already assumes a MEM has been canonicalized.
5152 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
5153 * gcse.c (struct ls_expr): Add load/store expressions structure.
5154 (modify_mem_list, canon_modify_mem_list): New variable.
5155 (gcse_main): Initialize & finalize alias analysis. Use enhanced
5156 load motion and store motion if requested.
5157 (alloc_gcse_mem): Allocate space for modify_mem_list array.
5158 (free_gcse_mem): Free the modify_mem_list array.
5159 (oprs_unchanged_p): Use load_killed_in_block_p.
5160 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
5161 (mems_conflict_for_gcse_p): New function. Don't kill loads
5162 with stores to themselves if its in the load/store expression list.
5163 (load_killed_in_block_p): New function.
5164 (canon_list_insert): New Function.
5165 (record_last_mem_set_info): Keep a list of all instructions which
5166 can modify memory for each basic block.
5167 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
5168 (oprs_not_set_p): Use load_killed_in_block_p.
5169 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
5170 (expr_killed_p): Use load_killed_in_block_p.
5171 (compute_transp): Do not pessimize memory references.
5172 (pre_edge_insert): Update stores for a load motion expression.
5173 (one_pre_gcse_pass): Check loads/stores for extra load motion.
5174 (ldst_entry): Find or create a ldst_expr structure.
5175 (free_ldst_entry): Free memory for an individual item.
5176 (free_ldst_mems): Free entire load/store expression list.
5177 (print_ldst_list): Print debug info.
5178 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
5179 (enumerate_ldsts): Assign integer values to each entry in list.
5180 (first_ls_expr): First expression in the list.
5181 (next_ls_expr): Next expression in the list.
5182 (simple_mem): Check if expression qualifies for ld/st expression list.
5183 (invalidate_any_buried_refs): Remove from expression list if its
5184 used in some other way we dont understand.
5185 (compute_ld_motion_mems): Find all potential enhanced load motion
5187 (trim_ld_motion_mems): Remove any expressions which are invalid.
5188 (update_ld_motion_stores): Copy store values to registers for loads
5189 which have been moved.
5190 (regvec, st_antloc, num_store): New global statics.
5191 (reg_set_info): Marks registers as set.
5192 (store_ops_ok): Verfies registers expressions are valid in a block.
5193 (find_moveable_store): Look for moveable stores in a pattern.
5194 (compute_store_table): Find stores in a function worth moving, maybe.
5195 (load_kills_store): Check dependance of a load and store.
5196 (find_loads): Find any loads in a pattern.
5197 (store_killed_in_insn): Check if a store is killed in an insn.
5198 (store_killed_after): Check is store killed after an insn in a block.
5199 (store_killed_before): Check is store killed before an insn in a block.
5200 (build_store_vectors): Generate the antic and avail vectors.
5201 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
5202 (insert_store): Add a store to an edge.
5203 (replace_store_insn): Replace a store with a SET insn.
5204 (delete_store): Delete a store insn.
5205 (free_store_memory): Free memory.
5206 (store_motion): Perform store motion.
5207 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
5208 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
5209 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
5210 (f_options): Add gcse-lm and gcse-sm.
5212 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
5214 * i386.c (expand_fp_movcc): Fix condition reversal code.
5216 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
5217 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
5218 (CLASS_MAX_NREGS): Use it.
5220 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
5221 handle properly complex values.
5222 (CLASS_MAX_NREGS): Likewise; update comment.
5224 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5226 * ia64.c (ia64_flag_schedule_insns2): New variable.
5227 (ia64_override_options): Initialize it. Clear
5228 flag_schedule_insns_after_reload.
5229 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
5231 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5233 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
5234 Do not require source to match destination anymore;
5235 Add abort to the nontrivial cases that should be handled by split.
5236 (fix_trunc?fdi): Add SSE case for x86_64.
5237 (floatdi?f): Likewise.
5238 (floatdi?f_sse): New.
5239 (fix_trunc?fdi_sse): New.
5241 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
5243 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
5244 (DEBUG_ARANGES_END_LABEL): Ditto.
5245 (dwarfout_init): Generate length and version fields at the start
5246 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
5247 after the length field.
5248 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
5249 the .debug_aranges info.
5251 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5253 * i386.c (call, call_value): Make sure that resulting call_insn
5254 does have proper second operand.
5256 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
5258 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
5259 function. Remove include of sys/cygwin.h.
5261 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
5263 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
5264 (CPP_SPEC): Always search */include/w32api for header files.
5265 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
5266 (LINK_SPEC): Add "cyg" to the library search prefixes.
5268 2001-04-08 Philip Blundell <philb@gnu.org>
5270 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
5272 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
5274 * cpperror.c (print_location): Don't special case <stdin>.
5275 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
5276 WARNING, but we don't check if we're in system headers.
5277 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
5278 * cpplib.c (do_warning): Warn in system headers.
5280 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
5282 * mbchar.c: Include config.h first.
5284 2001-04-07 Zack Weinberg <zackw@stanford.edu>
5286 * config.gcc: Set default for xmake_file at top, not bottom.
5287 Change places that set xmake_file to "none" to set to the
5288 empty string instead, or remove them entirely if there is no
5289 default xmake_file for this cpu_type. Remove references to
5292 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
5293 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
5294 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
5295 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
5296 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
5297 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
5298 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
5299 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
5300 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
5301 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
5304 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
5305 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
5306 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
5307 config/mips/x-sysv, config/rs6000/x-aix31:
5308 Just set CLIB to -lld or -lmld, as appropriate.
5310 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
5311 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
5312 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
5313 config/mips/x-iris, config/pa/x-pa:
5314 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
5315 OTHER_FIXINCLUDES_DIRS.
5317 * config/i386/x-djgpp: Don't set LN or LN_S.
5318 * config/m88k/x-dolph: Don't define __m88k__.
5319 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
5320 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
5321 * config/i860/fx2800.h: No need to #undef SVR4.
5323 38 x-host fragments remain, 2 x-cpu.
5325 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5327 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
5329 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5331 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
5333 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5335 * configure.in: Add check for lstat.
5336 * configure, config.in: Regenerate.
5337 * cppinit.c (append_include_chain): Make empty path ".".
5338 * cpplib.c (do_line): Don't simplify #line paths.
5339 * cppfiles.c (remove_component_p): New function.
5340 (find_or_create_entry): Acknowledge stat () errors during
5341 path simplification.
5342 (handle_missing_header): Don't simplify paths.
5343 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
5344 the empty path untouched. Don't leave a trailing '/'.
5346 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
5348 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5349 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5351 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5353 * cppfiles.c (open_file): Fail directories silently, but
5354 with an errno of NOENT set.
5355 (read_include_file): Move the common exit code to the sole
5356 caller. Return an int indicating success or failure. Let
5357 open_file handle directories.
5358 (stack_include_file): If read_include_file fails,
5359 push a "null" buffer.
5361 2001-04-05 DJ Delorie <dj@redhat.com>
5363 * function.h (virtuals_instantiated): Declare.
5364 * function.c: (virtuals_instantiated): Make global.
5365 * calls.c (emit_library_call_value_1): Use
5366 virtual_outgoing_args_rtx only if it hasn't been instantiated.
5367 Otherwise, use the stack pointer directly.
5369 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5371 * i386.c (x86_initialize_trampoline): New global function.
5372 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
5373 (INITIALIZE_TRAMPOLINE): Move offline.
5374 * i386-protos.h (x86_initialize_trampoline): Declare.
5376 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5378 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
5379 (lea_0): Rename to lea_1.
5380 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
5381 (lea_general_?): Allow SImodes on TARGET_64BIT
5382 (lea_general_?_zext): New patterns.
5383 (call_1, call_1_rex64): Fix.
5385 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5387 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
5389 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5391 * i386.c (function_arg): Return constm1_rtx for last argument.
5392 (ix86_expand_prologue): Update gen_call calls.
5393 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
5394 * i386.md (call_pop): Likewise.
5395 (call): Second operand is VOIDmode.
5396 (call_0): Likewise; Support 64bits.
5397 (call_exp): New expander.
5398 (call_1): Get to the sync.
5399 (call_1_exp): New pattern.
5400 (call_value): Support 64bit.
5401 (call_value_exp): New pattern.
5402 (untyped_call): Update gen_call call.
5403 (call_value_pop): Disable for 64bit.
5404 (call_value_0_rex64): New pattern.
5405 (call_value_1_rex64): Likewise.
5407 2001-04-05 Bo Thorsen <bo@suse.de>
5409 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
5411 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
5413 * i386.md (*andsi_1+3): If used after reload, make sure the operand
5414 satisfies ANY_QI_REG_P.
5416 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5418 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
5421 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
5424 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5426 * config.gcc: Remove default for xm_file. Clean up local
5427 machine type handling. Remove settings of xm_file to
5428 something that doesn't exist. In the big switch, set xm_file,
5429 don't append to it (the value before the big switch is always
5430 null). Don't force build_xm_file or host_xm_file to have a value.
5431 * configure.in: Remove default for xm_file. Do not special
5432 case $cpu/xm-$cpu.h not existing.
5433 * configure: Regenerate.
5435 2001-04-04 Diego Novillo <dnovillo@redhat.com>
5437 * simplify-rtx.c (simplify_binary_operation): Check for overflow
5438 when folding integer division and modulo operations.
5440 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
5442 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
5443 instead of DWARF2_ADDR_SIZE for EH addresses.
5444 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
5447 2001-04-04 Richard Henderson <rth@redhat.com>
5449 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
5450 * config/ia64/t-glibc (LIB2ADDEH): Disable.
5451 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
5453 2001-04-04 Richard Henderson <rth@redhat.com>
5455 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
5456 * configure: Rebuilt.
5458 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5460 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
5461 push insns to delete to it instead of deleting them.
5462 (delete_null_pointer_checks): Delete insns from delete_list after
5463 all delete_null_pointer_checks_1 passes are done.
5465 2001-04-04 Richard Henderson <rth@redhat.com>
5467 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
5468 * configure: Rebuilt.
5470 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5472 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
5473 * config/romp/xm-romp.h: Delete.
5475 2001-04-04 Bernd Schmidt <bernds@redhat.com>
5477 * sched-deps.c (sched_analyze_insn): Partially revert March 27
5480 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5482 * emit-rtl.c (mark_label_nuses) Increment the label uses for
5483 all labels present in rtx.
5484 (try_split) Call new function for all split insns.
5486 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5488 * recog.c (validate_replace_rtx_1): Instead of aborting just make
5489 sure the change won't be validated.
5491 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
5493 * rtl.h (set_noop_p): Declare.
5494 * flow.c (set_noop_p): Move from here ...
5495 * rtlanal.c (set_noop_p): ... to here and enhance.
5496 * cse.c (delete_trivially_dead_insns): Use it.
5497 * gcse.c (hash_scan_set): Likewise.
5498 * jump.c (delete_noop_moves): Likewise.
5499 * recog.c (split_all_insns): Likewise.
5501 2001-04-04 Alan Modra <alan@linuxcare.com.au>
5503 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
5504 stack pointer via a LO_SUM. Ditto for setting a temp register
5505 used to save to the stack. Set cfa_temp when setting fp, and
5506 allow matches to cfa_temp in addition to cfa_store when saving
5507 regs. Handle POST_INC and LO_SUM register stores. Document the
5508 changes and errors in rule 12 doco.
5510 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
5511 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
5512 (load_reg): Move closer to epilogue code.
5513 (DO_FRAME_NOTES): Define to control the following..
5514 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
5515 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
5517 (hppa_expand_epilogue): Likewise.
5519 2001-04-03 Richard Henderson <rth@redhat.com>
5521 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
5522 * configure: Rebuild.
5524 2001-04-03 Richard Henderson <rth@redhat.com>
5526 * rtl.h (LCT_THROW): New.
5527 * calls.c (emit_library_call_value_1): Handle it.
5528 * except.c (connect_post_landing_pads): Use it.
5530 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5532 * gansidecl.h: Delete file.
5533 * configure.in: Change all refs to gansidecl.h to use
5534 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
5536 * configure: Regenerate.
5538 * Makefile.in (intl.o): Don't depend on gansidecl.h.
5539 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
5540 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
5541 Don't include gansidecl.h.
5542 * intl.c, main.c, version.c, fixinc/fixlib.h,
5543 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
5546 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5548 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
5551 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5553 * config/i386/xm-beos.h, config/i386/xm-isc.h,
5554 config/i386/xm-next.h, config/i386/xm-sco.h,
5555 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
5556 config/m88k/xm-m88k.h: Delete.
5558 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
5559 * config/romp/xm-romp.h: Don't define bcopy.
5560 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
5561 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
5563 * config.gcc: Remove references to deleted files.
5565 14 xm-host.h remain, 1 xm-cpu.h.
5567 2001-04-03 Jakub Jelinek <jakub@redhat.com>
5568 David S. Miller <davem@pierdol.cobaltmicro.com>
5569 Andrew MacLeod <amacleod@redhat.com>
5571 Use byte offsets in SUBREGs instead of words.
5573 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
5574 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
5575 to pass new argument.
5576 (add_stored_regs): Use subreg_regno_offset function.
5577 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
5579 (precompute_arguments): Use gen_lowpart_SUBREG.
5580 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
5581 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
5582 (simplify_set): Rework to use SUBREG_BYTE.
5583 (expand_field_assignment): Use SUBREG_BYTE.
5584 (make_extraction): Use SUBREG_BYTE.
5585 (if_then_else_cond): Use SUBREG_BYTE.
5586 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
5587 (gen_lowpart_for_combine): Compute full byte offset.
5588 * cse.c (mention_regs): Use SUBREG_BYTE.
5589 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
5590 (canon_hash): Use SUBREG_BYTE.
5591 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
5592 (gen_lowpart_if_possible): Formatting.
5593 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
5595 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5596 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5597 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5598 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5599 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5600 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5601 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
5602 certain invariants about SUBREGs the compiler creates.
5603 (gen_lowpart_SUBREG): New function.
5604 (subreg_hard_regno): New function to get the final register number.
5605 (gen_lowpart_common): Use SUBREG_BYTE.
5606 (gen_imagpart): Spacing nits.
5607 (subreg_realpart_p): Use SUBREG_BYTE.
5608 (gen_highpart): Use SUBREG_BYTE.
5609 (subreg_lowpart_p): Always compute endian corrected goal offset,
5610 even at the byte level, then compare against that.
5611 (constant_subword): New function, pulled out all constant cases
5612 from operand_subword and changed second argument name to offset.
5613 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
5614 and call constant_subword to do the work. Return const0_rtx if
5615 looking for a word outside of OP.
5616 (operand_subword_force): Change second arg name to offset.
5617 * expmed.c (store_bit_field): Use SUBREG_BYTE.
5618 (store_split_bit_field): Use SUBREG_BYTE.
5619 (extract_bit_field): Use SUBREG_BYTE.
5620 (extract_split_bit_field): Use SUBREG_BYTE.
5621 (expand_shift): Use SUBREG_BYTE.
5622 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
5623 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
5624 * flow.c (set_noop_p): Use SUBREG_BYTE.
5625 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
5626 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
5627 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
5629 (optimize_bit_field): Use SUBREG_BYTE.
5630 (purge_addressof_1): Use SUBREG_BYTE.
5631 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
5632 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
5633 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
5634 * gengenrtl.c (special_rtx): Add SUBREG.
5635 * global.c (mark_reg_store): Use SUBREG_BYTE.
5636 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
5637 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
5638 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
5639 final byte offset is congruent to subreg's mode size.
5640 (subst_constants): Use SUBREG_BYTE.
5641 (mark_stores): Use subreg_regno_offset function.
5642 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
5643 function and SUBREG_BYTE.
5644 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
5645 (reg_is_born): Use subreg_hard_regno.
5646 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
5647 endian correction code. Don't combine subregs unless resulting
5648 offset aligns with type. Fix subreg constant extraction for DImode.
5649 Simplify SUBREG of VOIDmode CONST_DOUBLE.
5650 (general_operand): Remove dead mode_altering_drug code.
5651 (indirect_operand): Use SUBREG_BYTE.
5652 (constrain_operands): Use subreg_regno_offset function.
5653 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
5654 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
5655 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
5656 * regs.h (REG_SIZE): Allow target to override.
5657 (REGMODE_NATURAL_SIZE): New macro which target can override.
5658 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
5659 on the entire subreg rtx.
5660 (push_reload): Use SUBREG_BYTE in comments and code.
5661 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
5662 for hard registers inside subregs.
5663 (operands_match_p): Use subreg_regno_offset.
5664 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
5665 containing hard regs.
5666 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
5667 corrections when fixing up MEM subregs.
5668 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
5669 subreg_regno_offset where appropriate.
5670 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
5671 byte endian corrections when fixing up MEM subregs.
5672 (subst_reloads): When combining two subregs, make sure final
5673 offset is congruent to subreg's mode size.
5674 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
5675 (refers_to_regno_for_reload_p): Use subreg_regno.
5676 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
5677 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
5678 correction code for memory subreg fixups.
5679 (forget_old_reload_1): Use subreg_regno_offset.
5680 (choose_reload_regs): Use subreg_regno.
5681 (emit_input_reload_insns): Use SUBREG_BYTE.
5682 (reload_combine_note_store): Use subreg_regno_offset.
5683 (move2add_note_store): Use subreg_regno_offset.
5684 * resource.c (update_live_status, mark_referenced_resources): Use
5685 subreg_regno function.
5686 (mark_set_resources): Use subreg_regno function.
5687 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
5688 (subreg_regno_offset, subreg_regno): Define prototypes.
5689 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
5690 (gen_lowpart_SUBREG): Add prototype.
5691 * rtl.texi (subreg): Update to reflect new byte offset representation.
5692 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
5693 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
5694 (reg_overlap_mentioned_p): Use subreg_regno.
5695 (replace_regs); Make sure final offset of combined subreg is
5696 congruent to size of subreg's mode.
5697 (subreg_regno_offset): New function.
5698 (subreg_regno): New function.
5699 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
5700 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
5701 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
5702 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
5703 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
5704 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
5705 (a29k_get_reloaded_address): Use SUBREG_BYTE.
5706 (print_operand): Use SUBREG_BYTE.
5707 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
5708 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
5709 (arm_reload_out_hi): Use SUBREG_BYTE.
5710 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
5711 instead of SUBREG_WORD.
5712 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
5713 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
5714 SUBREG creation to use byte offset.
5715 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
5716 inverted load insns): Fix explicit rtl subregs to use byte
5718 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
5719 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
5720 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
5721 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
5722 to use byte offsets.
5723 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
5724 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
5725 offsets, also make sure it is congruent to SUBREG's mode size.
5726 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
5727 unnamed ldob insn): Generate SUBREGs with byte offset.
5728 (zero_extendqihi2): SUBREG's are byte offsets.
5729 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
5730 (m68hc11_gen_highpart): Use SUBREG_BYTE.
5731 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
5732 zero-extendqisi2): Generate SUBREGs with byte offset.
5733 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
5734 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
5735 subregs in rtl to use byte offsets.
5736 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
5737 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
5738 (mips_move_2words): Use subreg_regno_offset.
5739 (mips_secondary_reload_class): Use subreg_regno_offset.
5740 * config/mips/mips.md (DImode plus, minus, move, and logical op
5741 splits): Fixup explicit subregs in rtl to use byte offsets.
5742 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
5743 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
5744 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
5745 rtl to use byte offsets.
5746 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
5747 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
5748 subregs to use byte offsets.
5749 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
5750 Fixup explicit subregs in rtl to use byte offsets.
5751 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
5752 and remove byte endian correction code.
5753 * config/sh/sh.c (output_movedouble): Use subreg_regno.
5754 (gen_ashift_hi): Use SUBREG_BYTE.
5755 (regs_used): Use subreg_regno_offset.
5756 (machine_dependent_reorg): Use subreg_regno_offset.
5757 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
5758 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
5759 (movdf_i4): Subregs are byte offsets now.
5760 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
5761 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
5762 (REGMODE_NATURAL_SIZE): Override.
5763 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
5764 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
5766 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
5767 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
5768 extendqidi2): Generate SUBREGs with byte offsets, also make sure
5769 it is congruent to SUBREG's mode size.
5770 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
5772 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
5773 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
5774 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
5775 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
5776 * config/v850/v850.c (print_operand, output_move_double): Use
5777 subreg_regno function.
5779 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
5781 * configure.in (target_subdir): Use target_alias, not target.
5782 * configure: Rebuilt.
5784 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
5786 * config/sh/crti.asm: Fix typos in comments.
5788 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5790 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
5791 TARGET_FAST_INDIRECT_CALLS.
5792 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
5794 (return_addr_rtx): Short circuit export stub matching when
5795 TARGET_NO_SPACE_REGS.
5796 (output_millicode_call): For out of range calls, make -fPIC
5797 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
5798 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
5799 * pa.md: Modify length attr calculation of all millicode insns to
5802 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
5804 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
5805 Require at least 2.11 in the version test. Specifically check
5806 for and reject GAS version 2.10.90.
5807 * configure: regenerate.
5809 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5811 * pa.c (override_options): Remove PIC profiling warning.
5812 (hp_profile_labelno): Delete.
5813 (hp_profile_label_rtx): Delete.
5814 (hp_profile_label_name): Delete.
5815 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
5816 (output_function_prologue): Remove profiling code and all tests on
5817 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
5818 merge_sp_adjust_with_store can work for PIC and profiling.
5819 (hppa_expand_epilogue): Remove profile_flag test.
5820 (hppa_can_use_return_insn_p): Likewise.
5821 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
5822 cater for PROFILE_HOOK.
5823 (hppa_profile_hook): New function.
5824 * pa.h (FUNCTION_PROFILER): Now does nothing.
5825 (PROFILE_HOOK): Define.
5826 (hppa_profile_hook): Declare.
5827 (PROFILE_BEFORE_PROLOGUE): Delete.
5828 (ASM_OUTPUT_REG_PUSH): Delete.
5829 (ASM_OUTPUT_REG_POP): Delete.
5830 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
5831 r24. Accept function name operand, and use this and a locally
5832 generated label to calculate pc-rel offset to func start.
5834 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5836 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
5837 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
5840 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5842 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
5843 LO_SUM cases to where they belong.
5845 2001-04-02 Richard Henderson <rth@redhat.com>
5847 * except.h (lang_eh_type_covers): Mark extern.
5848 (lang_eh_runtime_type): Likewise.
5850 2001-04-02 Zack Weinberg <zackw@stanford.edu>
5852 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
5853 gengenrtl.c: Wrap generated header in multiple-include guard.
5854 Improve error checking.
5856 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5858 * configure.in: Don't check for putenv.
5859 * configure: Regenerate.
5860 * gcc.c (putenv): Don't define.
5861 * vax/xm-vms.h: Handle putenv.
5863 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5865 * ifcvt.c (noce_emit_move_insn): New.
5866 (noce_try_store_flag, noce_try_store_flag_constants,
5867 noce_try_store_flag_inc, noce_try_store_flag_mask,
5868 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
5869 noce_try_abs): Use it.
5870 (noce_process_if_block): Likewise.
5871 For STRICT_LOW_PART, take mode from its SUBREG.
5873 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5875 * fold-const.c (fold): Before optimizing unsigned comparison with
5876 0x7fffffffU, make sure arg0 is integral type.
5878 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
5880 * c-tree.texi: Document representation of wide strings.
5882 2001-04-01 Richard Henderson <rth@redhat.com>
5884 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
5886 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
5888 * i386.md: remove obsoleted comments.
5889 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
5890 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
5891 fix output template.
5893 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
5895 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
5897 2001-03-30 Bernd Schmidt <bernds@redhat.com>
5899 * loop.c (load_mems): When generating a load from a pseudo, update
5902 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5904 * i386.c (ix86_split_long_move): Use change address to compensate
5905 stack pointer change in push instruction.
5907 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5909 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
5910 instead of rtx_equal_p; fix the output template.
5912 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
5914 * i386.c (ix86_expand_setcc): Support 64bit.
5915 (ix86_expand_int_movcc): Likewise.
5916 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
5919 * i386.md (allocate_stack_worker): Turn to expander.
5920 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
5922 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
5924 2001-03-29 Richard Henderson <rth@redhat.com>
5926 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
5928 2001-03-28 Matthew Hiller <hiller@redhat.com>
5930 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
5933 * MAINTAINERS: Added self.
5935 2001-03-28 Richard Henderson <rth@redhat.com>
5937 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
5938 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
5940 2001-03-28 Jim Wilson <wilson@redhat.com>
5942 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
5945 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5947 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
5949 * tradcif.y (yyerror): Likewise. Add format specifier in call to
5952 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
5954 2001-03-28 DJ Delorie <dj@redhat.com>
5956 * Makefile.in (stage1_build): Revert CFLAGS patch.
5958 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
5960 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
5961 when multiplier or multiplicand is zero.
5963 2001-03-28 Bernd Schmidt <bernds@redhat.com>
5965 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
5967 * config/ia64/ia64.c (update_set_flags): New function, broken out of
5969 (set_src_needs_barrier): Likewise.
5970 (rtx_needs_barrier): For SET case, use these two functions. Rework
5971 PARALLEL case to handle all inputs before all outputs.
5972 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
5973 saw a label and no stop bit since then.
5974 (maybe_rotate, process_epilogue): Add prototypes.
5976 2001-03-28 Richard Henderson <rth@redhat.com>
5978 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
5979 not TARGET_TOC for special toc restore handling.
5980 * config/rs6000/rs6000.md (eh_return): Likewise.
5982 2001-03-28 Richard Henderson <rth@redhat.com>
5984 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
5985 current_function_calls_eh_return.
5986 (output_function_epilogue): Handle eh_return.
5987 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
5988 (EH_RETURN_DATA_REGNO): New.
5989 (EH_RETURN_STACKADJ_RTX): New.
5990 (EH_RETURN_HANDLER_RTX): New.
5991 * config/sparc/sparc.md (call/short branch peepholes): Check
5992 can_throw_internal instead of in_same_eh_region.
5994 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
5995 for eh_return data registers.
5996 (rs6000_emit_prologue): Save eh_return data registers.
5997 (rs6000_emit_epilogue): Force inline restores if eh_return.
5998 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
5999 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
6000 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
6001 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
6002 the target uses one.
6003 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
6004 (return_eh_si, return_eh_di): Remove.
6005 (eh_return): New, from corpse of eh_epilogue.
6006 (eh_set_lr_si, eh_set_lr_di): New.
6008 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
6009 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
6010 True for pic register if current_function_calls_eh_return.
6011 (ix86_expand_epilogue): Change "emit_return" argument into "style".
6012 Handle eh_return requirements.
6013 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
6014 (EH_RETURN_STACKADJ_RTX): New.
6015 * config/i386/i386.md (exception_receiver): Remove.
6016 (eh_return, eh_return_1): New.
6017 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6019 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
6020 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
6021 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
6022 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
6023 (EH_RETURN_DATA_REGNO): New.
6024 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
6025 * config/alpha/alpha.md (eh_epilogue): Remove.
6026 (exception_receiver): Use $26 for ldgp input.
6027 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6029 2001-03-28 Richard Henderson <rth@redhat.com>
6031 * except.c: Rewrite entirely for IA-64 ABI exception handling.
6032 * except.h: Likewise.
6034 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
6035 (LIB2ADDEHDEP): New.
6036 (LIB2FUNCS_EH): Remove.
6037 (LIB2ADD): Remove LIB2ADDEH.
6038 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
6039 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
6040 (crt{begin,end}[S].o): Likewise.
6041 (except.o): Update includes.
6042 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
6043 (libgcc2_c_dep): Use LIB2ADDEHDEP.
6045 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
6046 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
6047 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
6048 * builtins.c (expand_builtin): Implement it.
6049 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
6050 * c-common.c (c_common_nodes_and_builtins): Declare it.
6051 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
6052 * calls.c (libfunc_nothrow): Remove.
6053 (emit_library_call_value_1): Don't call it.
6054 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
6055 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
6056 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
6057 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
6058 (current_funcdef_number): Globalize.
6059 (output_call_frame_info): Emit frame data if an lsda is needed.
6060 Generate augmentation for personality routine. Don't play with
6062 (dwarf2out_begin_prologue): Record funcdef_number.
6063 * dwarf2out.h (current_funcdef_number): Declare.
6064 * expr.c (expand_expr): Update for except.h name changes.
6065 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
6066 * expr.h (LTI_throw, LTI_rethrow): Remove.
6067 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
6068 (LTI_eh_rtime_match): Remove.
6069 (LTI_unwind_resume, LTI_eh_personality): Add.
6070 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
6071 * final.c (final): Don't call check_exception_handler_labels,
6072 init_insn_eh_region, or free_insn_eh_region.
6073 (final_scan_insn): Always emit debug labels for
6074 NOTE_INSN_EH_REGION notes.
6075 * flags.h (flag_new_exceptions): Remove.
6076 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
6077 (record_active_eh_regions): Remove.
6078 (count_basic_blocks): Check all instructions for REG_EH_REGION.
6079 Use can_throw_internal.
6080 (find_basic_blocks_1): Likewise.
6081 (move_stray_eh_region_notes): Remove.
6082 (find_label_refs): No eh_return_stub_label.
6083 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
6084 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
6086 (delete_unreachable_blocks): Don't track deleted handlers.
6087 (flow_delete_block): Use maybe_remove_eh_handler.
6088 (delete_eh_regions): Remove.
6089 (merge_blocks): Don't check for eh region match.
6090 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
6091 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
6092 (init_propagate_block_info): Disable dead frame store optimization
6093 when current_function_calls_eh_return.
6094 (dump_bb): Don't print eh_beg, eh_end.
6095 * function.c (fixup_var_refs): No catch_clauses.
6096 (expand_function_end): Likewise. Call expand_eh_return before
6097 the return register use. Call sjlj_emit_function_exit_after.
6098 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
6099 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
6100 * ifcvt.c (dead_or_predicable): Remove eh region check.
6101 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
6102 Don't check for EH vs parameters.
6103 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
6104 (expand_inline_function): Call duplicate_eh_regions.
6105 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
6106 (copy_insn_notes): Remap REG_EH_REGION notes.
6107 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
6108 * integrate.h (struct inline_remap): Add local_return_label.
6109 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
6110 check_exception_handler_labels, nor exception_optimize.
6111 (find_cross_jump): No EH region check.
6112 * optabs.c (init_optabs): Update for changed eh libfuncs.
6113 * rtl.def (RESX): New.
6114 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
6115 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
6116 checks. Update for except.h name changes.
6117 (expand_cleanups): Likewise.
6118 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
6119 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
6120 (compile_file): Call init_eh before init_optabs. Don't
6121 output_exception_table here.
6122 (rest_of_compilation): Call convert_from_eh_region_ranges,
6123 convert_to_eh_region_ranges, output_function_exception_table.
6124 Don't emit_eh_context.
6125 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
6126 (EXC_PTR_EXPR): New.
6128 * md.texi (eh_epilogue): Remove.
6129 (eh_return): Document.
6130 * tm.texi (EH_RETURN_DATA_REGNO): Document.
6131 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
6133 * eh-common.h: Remove file.
6134 * frame-dwarf2.c, frame.c, frame.h: Remove files.
6135 * libgcc2.c (L_eh): Remove.
6137 * unwind-dw2-fde.c: New file, largely copied from frame.c.
6138 * unwind-dw2-fde.h: New file.
6139 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
6140 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
6141 * libgcc-std.ver: Update for eh symbols.
6143 2001-03-27 Richard Henderson <rth@redhat.com>
6145 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
6146 reduce false positives.
6147 (regmove_optimize): Disable if flag_non_call_exceptions.
6149 * stmt.c (expand_return): Remove always true predicate.
6150 (expand_decl_cleanup_no_eh): Remove dead code.
6152 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
6153 barrier code. Add a scheduling barrier if a non-call insn
6154 can throw internally.
6156 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
6157 Auto-inc addresses trap only if their base register does.
6159 * except.c (can_throw_internal): Rename from can_throw.
6160 * except.h, resource.c: Update references.
6162 * integrate.c (copy_insn_list): Use returnjump_p.
6163 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
6165 * function.h (struct function): Move all boolean valued fields
6166 to single bit fields at the end of the struct.
6168 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
6170 Rename asynchronous_exceptions to flag_non_call_exceptions.
6172 * gthr-single.h (UNUSED): New. Distinguish between how C
6173 and C++ mark unused function arguments. Use throughout.
6175 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
6176 value to target configuration header.
6177 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
6178 * config.in, configure: Rebuild.
6179 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
6180 configuration and target defines.
6181 (exceptions_via_longjmp): Remove.
6182 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
6183 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
6185 * except.h (flag_non_call_exceptions): Move ...
6186 * flags.h: ... here.
6188 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
6189 exceptions, put the note on the trapping instruction.
6191 * flags.h (flag_new_exceptions): Remove.
6192 * toplev.c: Don't set it.
6193 * final.c: Don't check it.
6194 * except.c: Provide stub definition.
6196 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
6197 (calculate_global_regs_live): Kill call-clobbered registers
6198 across exception edges.
6199 * reg-stack.c (convert_regs_1): Kill the entire target stack
6200 across non-call exception edges.
6202 * flow.c (cleanup_cfg): Take no argument.
6203 * output.h, sibcall.c, toplev.c: Update all calls.
6205 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6207 * configure.in: Don't check for bcopy.
6208 * configure, config.in: Regenerate.
6210 * system.h: Don't define or prototype bcopy, instead poison it.
6212 2001-03-27 Richard Henderson <rth@redhat.com>
6214 * function.c (expand_function_start): Set DECL_REGISTER on
6215 a pseudo used for DECL_RESULT.
6217 * rtl.h (LCT_NORETURN): New.
6218 * calls.c (emit_library_call_value_1): Handle it.
6220 2001-03-27 Stan Shebs <shebs@apple.com>
6222 * objc/objc-act.c (objc_init): Use dump_base_name.
6223 (gen_declaration): Clear the buffer arg.
6224 (gen_declaration_1): New function, body of gen_declaration.
6225 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
6226 (gen_method_decl): Ditto, plus always clear buffer arg.
6227 (error_with_ivar): Simplify.
6228 (warn_with_method): Ditto.
6229 (build_message_expr): Don't clear buffers.
6230 (dump_interface): Ditto.
6231 (objc_debug): Ditto.
6232 (build_keyword_selector): Clear the buffer by only zeroing
6234 (objc_implementation_context): Declare.
6235 (start_class): Warn about missing @end.
6236 (finish_objc): Ditto.
6238 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
6240 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
6242 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6244 * Makefile.in (SYSTEM_H): Define.
6245 Depend on $(SYSTEM_H), not system.h.
6247 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
6249 2001-03-27 Jim Wilson <wilson@redhat.com>
6251 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
6253 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
6254 (process_epilogue): New static function.
6255 (process_set): Call process_epilogue instead of emitting .restore
6257 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
6259 * flow.c (struct reg_cond_life_info): New fields orig_condition
6261 (init_propagate_block_info): Set new fields.
6262 (mark_regno_cond_dead): Set and use new fields.
6263 (flush_reg_cond_reg_1): Likewise.
6264 (and_reg_cond, case AND): Check for redundant AND conditions.
6265 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
6268 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
6270 * cppmacro.c (stringify_arg): Null terminate strings.
6272 2001-03-27 Zack Weinberg <zackw@stanford.edu>
6274 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
6275 inclusion style. xm-m68hc11.h no longer exists.
6276 * config/m68hc11/xm-m68hc11.h: Delete file.
6277 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
6279 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
6280 Don't define GCC_VERSION, N_, or PARAMS; don't include
6281 gansidecl.h or stdio.h. Define inhibit_libc here.
6282 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6283 Delete code conditioned on #if GCC_VERSION == 2095.
6285 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
6286 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6287 Delete code conditioned on #if GCC_VERSION == 2095.
6289 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6291 * system.h: Include symcat.h.
6292 (STRINGIFY): Don't define.
6294 * configure.in: Adjust comment.
6296 * builtins.c: Use STRINGX, not STRINGIFY.
6297 * gencheck.c: Likewise.
6298 * gengenrtl.c: Likewise.
6299 * protoize.c: Likewise.
6301 * cpplex.c: Don't include symcat.h.
6302 * cpplib.c: Likewise.
6304 * gansidecl.h (HAVE_STRINGIZE): Don't define.
6306 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6308 * c-typeck.c (digest_init): Fold init expression.
6310 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6312 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
6314 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6316 * except.c (eh_regs): Save results of build_pointer_type to a temp
6317 as FUNCTION_VALUE macro may evaluate its args multiple times.
6319 2001-03-26 Mark Mitchell <mark@codesourcery.com>
6321 * c-common.h (DECL_NUM_STMTS): New macro.
6322 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
6324 (pushdecl): Likewise.
6325 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
6326 * integrate.c (expand_inline_function): Don't check
6328 * print-tree.c (print_node): Don't print it.
6329 * toplev.c (rest_of_compilation): Don't try to inline when
6330 flag_no_inline is on.
6331 * tree.h (DECL_FRAME_SIZE): Remove.
6332 (tree_decl): Adjust accordingly.
6334 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6336 * combine.c (try_combine): Use memcpy, not bcopy.
6338 * genattrtab.c (expand_units): Likewise.
6340 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6342 * i386.md (push mem DI peep2): New.
6343 (mov 0, mov -1 peep2): Handle 64bit.
6344 (lea to arithmetics peep2): Handle 64bit leas.
6345 (rsp arithmetics to push/pop peep2s): New.
6347 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
6349 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6351 * i386.c (struct machine_function): Add save_varrargs_registers.
6352 (ix86_save_varrargs_registers): New macro.
6353 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
6354 (ix86_expand_prologue): Likewise.
6355 (ix86_emit_epilogue_esp_adjustement): Likewise.
6356 (ix86_expand_epilogue): Likewise.
6357 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
6358 (pro_epilogue_adjust_stack_1): New insn.
6359 (pro_epilogue_adjust_stack_rex64): Likewise.
6360 * i386.h (MASK_NO_RED_ZONE): New constant.
6361 (TARGET_RED_ZONE): New macro.
6362 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
6363 (RED_ZONE_SIZE): New constant.
6364 (RED_ZONE_RESERVE): New constant.
6366 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6368 * toplev.c (set_float_handler): Use memcpy, not bcopy.
6370 2001-03-25 Kazu Hirata <kazu@hxi.com>
6372 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
6375 (umodhi3): Likewise.
6378 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6380 * mkconfig.sh (DEFINES): Handle entries with '='.
6382 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
6383 Set xm_defines to MACRO=value instead.
6385 * i370/xm-mvs.h: Delete.
6387 * ns32k/xm-pc532-min.h: Likewise.
6389 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6391 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
6393 use ix86_expand_binary_operator
6394 (?sh??i_?): Disable for 64bit.
6395 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
6396 * i386.c (shiftdi_operand): New predicate.
6398 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
6399 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
6400 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
6401 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
6402 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
6403 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
6404 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
6405 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
6406 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
6407 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
6408 (rotldi3, rotrdi3): New expanders.
6410 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
6412 * i386.md (movstrsi): Move offline.
6414 (strmovdi_rex64): New.
6415 (strmov?i): Accept 64bit.
6416 (strmov?i_rex64): New.
6417 (strmov?i_rex_1): New.
6418 (strmov?i_1): Disable for 64bit.
6419 (rep_mov?i_rex64): New.
6420 (rep_mov?i): Disable for 64bit.
6421 (clrstrsi): Move offline.
6422 (strset?i_rex64): New.
6423 (strset?i: Accept 64bit.
6424 (rep_stos?i): Disable for 64bit.
6425 (rep_stos?i_rex64): New.
6426 (strset?i_rex_1): New.
6427 (strset?i_1): Disable for 64bit.
6428 (cmpstrsi): Accept 64bit.
6429 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
6430 (cmpstrqi_nz_rex_1): New.
6431 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
6432 (strlensi): Move offline.
6434 (strlenqi_1): Disable for 64bit; fix constraints.
6435 (strlenqi_rex_1): New.
6436 * i386.c (ix86_adjust_counter): New static function.
6437 (ix86_zero_extend_to_Pmode): Likewise.
6438 (ix86_expand_aligntest): Likweise.
6439 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
6440 (ix86_expand_movstr): New global function.
6441 (ix86_expand_clrstr): New global function.
6442 (ix86_expand_strlen): New global function.
6443 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
6444 ix86_expand_strlen): Declare.
6445 (ix86_expand_strlensi_unroll_1): Delete.
6447 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
6449 * i386.md (cmpdi): Fix operand predicates.
6450 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
6451 cmpdi_1_insn_rex64): New patterns.
6452 (adddi3): Turn to expander.
6453 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
6454 (addsi3_carry_zext): New pattern.
6455 (adddi_?_rex64): New patterns and splitters.
6456 (addsi_?_zext): New patterns.
6457 (subsi3_carry_zext): New pattern.
6458 (subdi_?_rex64): New patterns and splitters.
6459 (iorsi_?_zext): New patterns.
6460 (iordi_?_rex64): New patterns and splitters.
6461 (iorsi_?_zext): New patterns.
6462 (iorsi_?_zext_imm): New patterns.
6463 (xorsi_?_zext): New patterns.
6464 (xordi_?_rex64): New patterns and splitters.
6465 (xorsi_?_zext): New patterns.
6466 (negdi*): New patterns.
6467 (one_cmpldi*): Likewise.
6468 (one_cmplsi*_zext, negsi*_zext): Likewise.
6469 (testqi_ext_3_rex64): New pattern.
6471 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
6473 * i386-protos.h (ix86_split_long_move): Return void.
6474 * i386.c (ix86_split_to_parts): Handle 64bit target.
6475 (ix86_split_long_move): Likewise.
6476 * i386.md (all calls to ix86_split_long_move): Update.
6478 2001-03-23 Richard Henderson <rth@redhat.com>
6480 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
6481 to avoid shadowing arguments.
6483 2001-03-23 Jakub Jelinek <jakub@redhat.com>
6485 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
6486 to variable names where DECL_NAME is different from
6487 DECL_ASSEMBLER_NAME.
6489 2001-03-23 Jim Wilson <wilson@redhat.com>
6491 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
6492 (assemble_alias): Call make_decl_rtl.
6494 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
6496 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
6498 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
6500 * extend.texi: Document the "java_interface" attribute.
6502 2001-03-22 Zack Weinberg <zackw@stanford.edu>
6504 * mkconfig.sh: Use a subshell with redirected stdout,
6505 instead of closing stdout and confusing commands that run
6506 afterward. Throw away output of cmp.
6508 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
6510 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
6512 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
6514 * i386.md (zero_extendsidi2_32): Break out from ...
6515 (zero_extendsidi2): ... here ; turn to expander.
6516 (zero_extendsidi2_rex64): New.
6517 (extendsidi2_32): Break out from ...
6518 (extendsidi2): ... here ; turn to expander.
6519 (extendsidi2_rex64): New.
6520 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
6521 (trunc?f?f splitters): Add 64bit versions.
6523 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
6525 * i386.md (pushsi, pushsi2_prologue): Disable.
6526 (pushsi2_rex64): New.
6527 (movabs?i_1_rex64, movabs?i_2_rex64): New.
6528 (movqi_ext_1): Disable for 64bit.
6529 (movqi_ext_1_rex64): New.
6530 (pushdi2_rex64): New pattern, peep2s and splitter.
6531 (pushdi2_prologue_rex64): New pattern.
6532 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
6534 (movdi splitters): Disable for 64bit.
6535 (movdi_1_rex64): New pattern, peep2s and splitters.
6536 (swapdi): New pattern.
6537 (pushsf): Disable for 64bit.
6538 (pushsf_rex64): New pattern and splitter.
6539 (pushdf_nointeger): Disable for 64bit.
6540 (pushdf_integer): Handle the 64bit case.
6541 (pushtf): Likewise; update splitters.
6543 2001-03-22 Richard Henderson <rth@redhat.com>
6545 * mkconfig.sh: Include insn-flags.h.
6546 * Makefile.in (CONFIG_H): Include insn-flags.h.
6547 (lots of objects): Remove insn-codes.h and insn-flags.h.
6549 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
6550 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
6551 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
6552 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
6553 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
6554 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
6555 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
6556 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
6557 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
6558 v850/v850.c, vax/vax.c:
6559 Don't include insn-flags.h.
6561 * diagnostic.c, expr.h, reload.c, toplev.c:
6562 Don't include insn-codes.h.
6564 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
6565 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
6566 c4x/c4x.c, i960/i960.c, mips/mips.c:
6567 Don't include insn-codes.h or insn-flags.h.
6569 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
6570 or insn-flags.h in the generated code.
6571 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
6572 (main): Forward declare struct rtx_def.
6574 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
6576 * invoke.texi (-ffast-math): Remove duplicate line about
6579 * gcc.texi: Remove more obsolete documentation of bugs and
6580 installation problems.
6582 2001-03-21 Kazu Hirata <kazu@hxi.com>
6584 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
6587 2001-03-20 Jason Merrill <jason@redhat.com>
6589 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
6591 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
6592 * varasm.c (CHKR_PREFIX): Likewise.
6594 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6596 * gcse.c (hash_scan_set): An expression is not anticipatible if it
6597 is part of a multi-SET insn.
6599 * cse.c (find_comparison_args): Remove previous change.
6600 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
6603 * config/i386/i386.md (conditional_trap): Remove warning.
6605 * recog.c (push_operand): Fix error in last change that caused
6606 undefined symbol on many targets.
6608 * sdbout.c: #include ggc.h.
6609 (sdbout_init): Move to end of file.
6610 Call ggc_add_tree_root for anonymous_types.
6611 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
6612 (sdbout_one_type): Use DECL_NAME for field name.
6613 * Makefile.in (sdbout.o): Show includes ggc.h.
6615 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
6617 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
6618 (override_options): Use properlimits for preferred_stack_boundary.
6619 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
6621 (ext_register_operand): Accept DImode.
6622 (load_pic_register): Abort on 64bit.
6623 (gen_push): Use Pmode instead of SImode.
6624 (ix86_save_reg): Pic reg is never used on 64bit.
6625 (ix86_expand_prologue): Likewise.
6626 (ix86_emit_save_regs): Use Pmode instead of SImode.
6627 (legitimate_address_p): Check displacement for 64bit.
6628 (print_operand): Avoid outputting of (%rip) on 64bit.
6629 (print_operand_address): Output (%rip) where possible.
6630 (split_di): Abort on 64bit registers.
6631 (ix86_expand_branch): DImode comparison is simple for x86_64.
6632 (memory_address_length): Recognize memory addresses formed using
6634 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
6636 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
6638 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
6640 * recog.c (push_operand): Recognize new format of push instructions.
6642 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
6644 * i386.md (pushqi1): New.
6645 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
6646 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6647 x86_64_immediate_operand, x86_64_immediate_operand,
6648 x86_64_zext_immediate_operand): Declare.
6649 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
6650 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6651 x86_64_immediate_operand, x86_64_immediate_operand,
6652 x86_64_zext_immediate_operand): define.
6653 * i386.h (PREDICATE_CODES): Add new predicates.
6655 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
6657 * i386.md (pophi1, popqi1, pushqi1): Remove.
6659 * expr.c (emit_single_push_insn): New function.
6660 (move_by_pieces): Accept NULL as destination for push instructions.
6661 (gen_push_operand): Kill.
6662 (emit_push_insn): Pass NULL when pushing; avoid updating of
6663 stack_pointer_delta.
6664 * expr.h (gen_push_operand): Kill.
6666 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6668 * rtl.texi (COMPARE): Clarify documentation and reference section
6671 2001-03-20 Stan Shebs <shebs@apple.com>
6673 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
6674 (get_object_reference): Ditto.
6675 (error_with_ivar): Use error_with_file_and_line.
6676 (warn_with_method): Use warning_with_file_and_line.
6678 2001-03-20 Tom Tromey <tromey@redhat.com>
6680 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
6682 2001-03-20 Mark Mitchell <mark@codesourcery.com>
6684 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
6685 variables that are TREE_PUBLIC, even if not TREE_STATIC.
6687 2001-03-20 DJ Delorie <dj@redhat.com>
6689 * Makefile.in (install-libgcc): Pass complete list of variables.
6690 (install-multilib): Ditto.
6692 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6694 * config/i386/cygwin.h: Declare ctor_section, dtor_section
6695 drectve_section, switch_to_section.
6697 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
6698 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
6699 i386_pe_mark_dllimport.
6701 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6703 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
6704 functions i386_pe_*.
6706 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
6707 i386_pe_* functions with char * arguments.
6709 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
6711 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
6713 (movsi_ie): Introduce fpul store.
6715 2001-03-20 Alan Modra <alan@linuxcare.com.au>
6717 * Makefile.in (OBJS): Remove hashtab.o.
6719 2001-03-19 Stan Shebs <shebs@apple.com>
6721 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
6722 * c-lang.c (maybe_objc_method_name): Ditto.
6723 * c-tree.h (maybe_objc_method_name): Remove decl.
6725 2001-03-19 Tom Tromey <tromey@redhat.com>
6727 * gcc.c (init_gcc_specs): Fix comment.
6729 2001-03-19 Mark Mitchell <mark@codesourcery.com>
6731 Compute DECL_ASSEMBLER_NAME lazily.
6732 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
6733 (DECL_ASSEMBLER_NAME_SET_P): New macro.
6734 (SET_DECL_ASSEMBLER_NAME): Likewise.
6735 (COPY_DECL_ASSEMBLER_NAME): Likewise.
6736 (set_decl_assembler_name): Declare.
6737 (lang_set_decl_assembler_name): Likewise.
6738 * tree.c (lang_set_decl_assembler_name): New variab.e
6739 (set_decl_assembler_name): New function.
6740 (init_obstacks): Set lang_set_decl_assembler_name.
6741 (build_decl): Don't set DECL_ASSEMBLER_NAME.
6742 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
6743 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
6744 where it's not necessary.
6745 (builtin_function): Likewise.
6746 (finish_decl): Likewise.
6747 * dbxout.c (dbxout_type_methods): Likewise.
6748 * ggc-common.c (ggc_mark_trees): Likewise.
6749 * profile.c (output_func_start_profiler): Likewise.
6750 * varasm.c (make_decl_rtl): Likewise.
6752 * cse.c (find_comparison_args): Update documentation. Fix
6753 mishandling of COMPARE operations.
6755 * tree.def (ABS_EXPR): Add documentation.
6756 * fold-const.c (fold): Improve folding of ABS_EXPRs.
6758 2001-03-19 Zack Weinberg <zackw@stanford.edu>
6760 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
6762 2001-03-19 Jakub Jelinek <jakub@redhat.com>
6764 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
6765 Remove ia32 linux PIC kludge and move it...
6766 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
6768 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
6770 * i386.md (absdf2 expander): Fix 64bit case.
6772 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
6774 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
6776 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
6778 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
6780 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6782 * README.X11: Remove obsolete file.
6784 2001-03-18 Anthony Green <green@redhat.com>
6786 * config/pj/pj.h: Remove some trailing commas.
6787 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
6789 2001-03-18 Richard Henderson <rth@redhat.com>
6791 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
6792 * calls.c: ... here.
6793 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
6794 defaults for them here.
6796 2001-03-17 Anthony Green <green@redhat.com>
6798 * config/pj/lib1funcs.S: Fix broken comment.
6799 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
6802 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
6804 * gcc.texi: Remove obsolete information relating to build and
6805 installation problems with enquire or the Pyramid C compiler.
6807 2001-03-17 Richard Henderson <rth@redhat.com>
6809 * dwarf2out.c (queue_reg_save): New.
6810 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
6811 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
6813 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
6814 (cfa, cfa_store, cfa_temp): Make static.
6815 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
6817 2001-03-17 Richard Henderson <rth@redhat.com>
6819 * integrate.h (struct inline_remap): Add local_return_label.
6820 * integrate.c (expand_inline_function): Initialize it and emit
6821 it after copy_insn_notes.
6822 (copy_insn_list): Don't store local_return_label here.
6823 (copy_insn_notes): New function split out from copy_insn_list.
6825 2001-03-17 Richard Henderson <rth@redhat.com>
6827 * dwarf2out.c (lookup_filename): Emit .file if the assembler
6828 is generating .debug_line.
6829 (dwarf2out_init): Add main_input_filename to the file table first.
6830 * configure.in (as_dwarf2_debug_line): Test with file number 1
6831 instead of file number 0.
6833 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6835 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
6836 (gen_rtx_combine): Deleted; all references changed as appropriate.
6837 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
6839 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
6841 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
6843 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
6846 2001-03-16 Jim Wilson <wilson@redhat.com>
6848 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
6849 then set it to LOC_REG (79) instead of aborting.
6851 2001-03-16 Phil Edwards <pme@sources.redhat.com>
6853 * gccbug.in: Remove high priority.
6855 2001-03-16 Richard Henerson <rth@redhat.com>
6857 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
6858 output with a space instead of deleting it.
6859 * configure: Regenerate.
6861 2001-03-16 Zack Weinberg <zackw@stanford.edu>
6863 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
6864 handles the gory details of converting an object file into
6865 something that's safe to grep.
6866 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
6867 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
6868 newlines at either end of the string we're looking for.
6869 Make 'checking ...' message less stilted.
6870 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
6871 ARM in-memory layout and its hypothetical converse. Don't
6872 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
6873 HOST_WORDS_BIG_ENDIAN.
6875 * configure.in: Adjust for renamed macro. Move
6876 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
6877 * configure, config.in: Regenerate.
6879 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6881 * fixinc/Makefile.in: Set SHELL.
6883 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6885 * fixinc/fixincl.c (fix_with_system): Quote file names before
6886 passing them to shell.
6888 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6890 * Makefile.in: Use fix-header$(build_exeext) instead
6893 2001-03-16 Richard Henderson <rth@redhat.com>
6895 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
6896 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
6897 (size_of_line_prolog): Remove.
6898 (output_line_info): Compute prologue size via label difference.
6899 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
6901 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
6902 assembler error when redefining file numbers.
6903 * config.in, configure: Rebuild.
6905 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
6906 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
6907 (dw2_asm_output_delta_uleb128): Likewise.
6908 (dw2_asm_output_delta_sleb128): Similarly.
6909 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
6911 2001-03-16 Michael Meissner <meissner@redhat.com>
6913 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
6915 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
6917 (BITMASK_LOWER16): Replacement for 0x0000ffff.
6919 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
6920 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
6921 being unsigned in ISO C and signed in traditional.
6922 (expand_prologue): Ditto.
6923 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
6925 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
6927 (divsi3,divdi3): Ditto.
6928 (modsi3,moddi3): Ditto.
6929 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
6930 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
6931 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
6934 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
6936 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
6937 SSE based conditional moves on LTGT/UNEQ conditions;
6938 Canonicalize EQ to NE.
6939 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
6940 (sse_mov?fcc_ne): New.
6942 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
6944 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6946 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
6947 register may be dead.
6949 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
6951 * Makefile.in (hash.o): Depend on CONFIG_H.
6953 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6955 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
6957 2001-03-15 Richard Henderson <rth@redhat.com>
6959 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
6960 (ASM_OUTPUT_DWARF_PCREL): New.
6961 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
6963 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6965 * cppfiles.c (stack_include_file): Use MAX of sysp.
6967 2001-03-15 Steve Ellcey <sje@cup.hp.com>
6969 * config.gcc (ia64*-*-hpux*): New case.
6970 * config/ia64/hpux.h: New file for HP-UX support.
6971 * config/ia64/t-hpux: New file for HP-UX support.
6973 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
6975 * fixinc/inclhack.def (irix_stdio_va_list): New.
6976 * fixinc/fixincl.x: Rebuilt.
6978 2001-03-15 Richard Henderson <rth@redhat.com>
6980 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
6981 if provided by the target.
6982 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
6983 (dw2_asm_output_addr): New.
6984 * dwarf2asm.h (dw2_asm_output_addr): Declare.
6985 * dwarf2out.c (output_cfi): Use it for program addresses.
6986 (output_call_frame_info, output_die): Likewise.
6987 (output_aranges, output_line_info): Likewise.
6989 2001-03-15 Bruce Korb <bkorb@gnu.org>
6991 * gcc.c(main): make more rigorous
6992 * collect2.c(main): guard against ignoring SIGCHLD
6993 * protoize.c(main): ditto
6994 * gcc/fixinc/fixincl.c(initialize): ditto
6996 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6998 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
6999 (sdbout_parms): Likewise.
7001 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
7003 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
7004 "widen" a destination that is already wider than a word. Also do
7005 not widen if LOAD_EXTEND_OP is NIL for the given mode.
7007 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7009 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
7011 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
7013 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
7015 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
7017 * i960.h (i960_maxbitalignment,
7018 i960_last_maxbitalignment): Declare.
7019 * i960.c (i960_maxbitalignment,
7020 i960_last_maxbitalignment): Make global.
7021 (process_pragma): Delete.
7022 (i960_pr_align, i960_pr_noalign): Move from here ...
7023 * i960-c.c: ... to this new file.
7024 * t-960bare (i960-c.o): New rule.
7025 * t-vxworks960 (i960-c.o): Likewise.
7026 * config.gcc (i960-*-*): Define c_target_objs and
7029 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7031 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
7032 without adding in rtx code and mode.
7034 * alias.c (init_alias_analysis): Don't use any rtx whose value
7035 varies as a known value.
7036 Delete a superfluous test.
7038 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
7040 (ia64_sched_reorder): Call maybe_rotate; also rotate after
7041 scheduling a stop bit.
7042 (ia64_emit_nops): Correctly handle ASMs.
7044 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7046 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
7048 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
7050 * cpp.texi: Update documentation for -include and -imacros.
7051 * cppfiles.c (struct include_file): Remove "defined" memeber.
7052 (find_or_create_entry): Make a copy of the file name, and
7054 (open_file): Update to ensure we use the simplified filename.
7055 (stack_include_file): Don't set search_from.
7056 (cpp_included): Don't simplify the path name here.
7057 (find_include_file): New prototype. Call search_from to
7058 get the start of the "" include chain. Don't simplify the
7060 (_cpp_execute_include): New prototype. Move diagnostics to
7061 do_include_common. Update.
7062 (_cpp_pop_file_buffer): Don't set defined.
7063 (search_from): New prototype. Use the preprocessor's cwd
7064 for files included from the command line.
7065 (read_name_map): Don't simplify the pathname here.
7066 * cpphash.h (enum include_type): New.
7067 (struct buffer): Delete search from. New search_cached.
7068 (_cpp_execute_include): Update prototype.
7069 * cppinit.c (do_includes): Use _cpp_execute_include.
7070 * cpplib.c (do_include_common): New function.
7071 (do_include, do_include_next, do_import): Use it.
7073 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7075 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
7076 contents of the RTL, to determine the name of the object.
7078 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7080 * tree.h (DECL_RTL): Allocate RTL lazily.
7081 (SET_DECL_RTL): New macro.
7082 (DECL_RTL_SET_P): Likewise.
7083 (COPY_DECL_RTL): Likewise.
7084 (DECL_RTL_IF_SET): Likewise.
7085 * varasm.c (make_decl_rtl): Add assertions about the kind of
7086 declaration we are processing.
7087 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
7088 (start_decl): Likewise.
7089 (finish_decl): Likewise.
7090 * c-semantics.c (emit_local_var): Likewise.
7091 * calls.c (expand_call): Likewise.
7092 * dbxout.c (dbxout_symbol): Likewise.
7093 * emit-rtl.c (unshare_all_rtl): Likewise.
7094 (unshare_all_decls): Likewise.
7095 (reset_used_decls): Likewise.
7096 * expr.c (store_constructor): Likewise.
7097 (safe_from_p): Likewise.
7098 (expand_expr): Likewise.
7099 * function.c (put_var_into_stack): Likewise.
7100 (instantiate_decls_1): Likewise.
7101 (assign_parms): Likewise.
7102 (expand_function_start): Likewise.
7103 (expand_function_end): Likewise.
7104 * ggc-common.c (gcc_mark_trees): Likewise.
7105 * integrate.c (function_cannot_inline_p): Likewise.
7106 (copy_decl_for_inlining): Likewise.
7107 (expand_inline_function): Likewise.
7108 (integrate_parm_decls): Likewise.
7109 (integrate_decl_tree): Likewise.
7110 * print-tree.c (print_node): Likewise.
7111 * reg-stack.c (stack_result): Likewise.
7112 * stmt.c (label_rtx): Likewise.
7113 (expand_return): Likewise.
7114 (expand_decl): Likewise.
7115 (expand_decl_cleanup): Likewise.
7116 (expand_anon_union_decl): Likewise.
7117 * toplev.c (check_global_declarations): Likewise.
7118 (rest_of_decl_compilation): Likewise.
7119 * tree.c (simple_cst_equal): Likewise.
7120 * objc/objc-act.c (generate_static_references): Likewise.
7122 2001-03-14 Zack Weinberg <zackw@stanford.edu>
7124 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
7125 gcc_AC_C_FLOAT_FORMAT): New macros.
7126 * configure.in: Add AC_PROG_CPP after CC tests;
7127 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
7128 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
7129 * configure, config.in: Regenerate.
7131 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
7132 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7133 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7134 config/i370/xm-linux.h, config/i370/xm-oe.h,
7135 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7136 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
7137 config/pa/xm-linux.h, config/pa/xm-pa.h,
7138 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
7139 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
7140 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
7141 config/we32k/xm-we32k.h: Delete.
7143 * config/i370/xm-mvs.h, config/m88k/m88k.h,
7144 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7145 config/vax/xm-vms.h: Don't define any of:
7146 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
7148 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
7150 * config.gcc: Remove references to deleted files.
7151 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
7152 FATAL_EXIT_CODE, which is the same between oe and mvs).
7154 2001-03-14 DJ Delorie <dj@redhat.com>
7155 Vladimir Makarov <vmakarov@redhat.com>
7157 * config/i960/i960.c (i960_function_prologue): Compute size of
7158 frame according to number of registers actually saved there.
7160 2001-03-14 Richard Henderson <rth@redhat.com>
7162 * expr.c (emit_move_insn_1): Fix else if around #endif.
7164 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
7167 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
7170 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
7172 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
7173 (override_options): Parse cmodel string.
7174 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
7175 * i386.h (TARGET_OPTIONS): Add "cmodel".
7176 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
7178 (ix86_cmodel_string, ix86_cmodel): Declare.
7180 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
7183 * i386.h (GENERAL_REG_P): Add missing REG_P.
7185 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
7187 * configure.in: Use $gcc_cv_as instead of $as.
7188 * configure: Regenerated.
7190 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
7192 * cppfiles.c (stack_include_file): Only increase the include
7193 count if we actually process the file properly, as opposed
7194 to treating it as length zero. Only call read_include_file
7195 if not DO_NOT_REREAD. Handle the -H include file output
7197 (read_include_file): Remove now redundant DO_NOT_REREAD check.
7198 (cpp_included, find_include_file): Simplify pathnames after
7199 remapping them. If remapping, don't use the remapped file
7200 name's buffer as our scratch buffer.
7201 (cpp_pop_file_buffer): Replace the multiple include macro
7202 only if it isn't yet set.
7203 (read_name_map): Simplify remapped names when reading in.
7204 (remap_filename): Move code to code path that uses it.
7205 (_cpp_simplify_pathname): Return the input pointer.
7206 * cpphash.h (_cpp_simplify_pathname): Update prototype.
7208 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7210 * expr.c (expand_expr): Revove bogus conditional.
7212 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
7214 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
7216 2001-03-14 Jakub Jelinek <jakub@redhat.com>
7218 * reg-stack.c (stack_result): Unconditionally use
7219 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
7221 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
7223 * expr.c (emit_move_insn_1): Split push of complex value when
7224 no suitable push instruction exist.
7226 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
7227 instead of QI_REG_P.
7229 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7231 * alias.c (handled_component_p, can_address_p): New functions.
7232 (get_alias_set): Use them.
7234 2001-03-13 Jim Wilson <wilson@redhat.com>
7236 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
7237 from 80 in try_locals code.
7238 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
7240 2001-03-13 Zack Weinberg <zackw@stanford.edu>
7242 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
7243 gcc_AC_C_LONG_LONG): New.
7244 * configure.in: Use them. Probe the size of short, int, long,
7245 and long long/__int64 if we have them. Move all the AC_C_*
7246 checks together, except gcc_AC_C_CHAR_BIT which has to go
7247 after AC_CHECK_HEADERS(limits.h).
7248 Take hwint.h out of host_xm_file and build_xm_file.
7250 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
7251 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
7252 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
7253 Move the HOST_WIDEST_INT setup logic here from system.h.
7254 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
7256 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
7257 is now handled by hwint.h.
7259 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
7260 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
7261 config/ia64/xm-ia64.h: Don't define any of:
7262 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
7263 HOST_BITS_PER_LONGLONG.
7265 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
7266 config/h8300/xm-h8300.h, config/mips/iris6.h,
7267 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
7268 config/sparc/xm-sp64.h: Delete.
7269 * config.gcc: Remove references to deleted files.
7271 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
7272 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
7273 * config/i370/xm-linux.h: Clarify floating-point situation in
7276 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
7278 * cppfiles.c (NO_INCLUDE_PATH): New macro.
7279 (find_include_file): Decide here which part of the include
7280 chain to start the search. Complain about an empty include
7281 chain in all cases apart from an abolsute file name.
7282 (_cpp_execute_include): Don't choose the search chain here.
7283 Don't call handle_missing_include in the case of an empty
7285 (_cpp_compare_file_date): Don't choose the search chain here.
7286 * cpplib.c (do_include_next): Move the in-main-file diagnostic
7287 here from _cpp_execute_include. Behave like #include if
7288 we're in the main file.
7290 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7292 * system.h (malloc, realloc, calloc, strdup): Only poison these
7293 tokens when IN_GCC is defined.
7295 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
7297 * i386.md (abs?f expander): Support SSE case.
7298 (abd?f_if): Add new "USE"; add splitters.
7300 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7302 * cpp.texi (poison): Explain the macro expansion exception.
7304 2001-03-13 Jakub Jelinek <jakub@redhat.com>
7306 * expr.c (store_expr): Add dont_store_target. If temp is already in
7307 target before copying to reg, don't store it into target again.
7309 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7311 * cppinternals.texi: Update for file handling.
7313 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7315 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
7316 2001-02-24 which broke building the Java library.
7317 * function.c (identify_blocks): Likewise.
7318 (all_blocks): Likewise.
7319 * integrate.c (integrate_decl_tree): Likewise.
7320 * print-tree.c (print_node): Likewise.
7321 * tree.h (BLOCK_NUMBER): Likewise.
7322 (struct tree_block): Likewise.
7324 2001-03-12 David Edelsohn <edelsohn@gnu.org>
7326 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
7327 __WCHAR_TYPE__ definition.
7328 (WCHAR_TYPE_SIZE): #undef before #define.
7330 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7332 * cppfiles.c: Update comments.
7333 (destroy_include_file_node): Rename destroy_node.
7334 (find_or_create_entry): New function.
7335 (open_file, _cpp_fake_include): Use it.
7336 (handle_missing_header): New function, broken out of
7337 _cpp_execute include. Don't segfault if there is no
7338 system or quoted path.
7339 (_cpp_execute_include): Use handle_missing_header.
7341 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7343 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
7344 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
7346 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7348 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
7349 unless anti_dependence says they are.
7350 * alias.c (objects_must_conflict): If neither has a type specified,
7353 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7354 David Billinghurst <David.Billinghurst@riotinto.com>
7356 * config/mips/iris5.h: Change WCHAR_TYPE to int.
7358 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
7360 * i386.md (trunctfdf2_2): Rename missnamed pattern.
7361 (*_one_bit): Remove type on the match_operand in attributes.
7363 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
7365 * i386.c: Commit forgotten hunk in previous patch.
7366 (regclass_map): Add extended registers.
7367 (dbx_register_map): Add missing frame register.
7369 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
7371 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
7373 * i386.md (x86_sahf_1): Disable for 64bit.
7374 (popsi*, pophi*): Likewise.
7375 (pushqi, pushhi): Likewise.
7376 (movdi, pushdi): Likewise.
7377 (zero extend DImode splitter): Likewise.
7378 (adddi, minusdi splitter): Likewise.
7379 (umulsidi): Likewise.
7381 (mulsidi): Disable for 64bit
7382 (lshift:DI/ashift:DI): Disable for 64bit.
7383 (loop patterns): Likewise.
7384 (call_pop, call_value_pop expanders and patterns): Likewise.
7385 (prologue_get_pc): Likewise.
7387 (fcmovDI pattern and splitter): Likewise.
7388 (movdfcc_1_rex64): New.
7390 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
7392 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
7393 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
7394 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
7395 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
7396 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
7397 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
7398 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
7399 (PUSH_ROUNDING): x86_64 rounds to 64bits.
7400 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
7401 (REGPARM_MAX): Set to 6 for x86_64.
7402 (SSE_REGPARM_MAX): Set to 16 for x86_64.
7403 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
7406 * (patterns that does use upper halves): Update constraints
7407 'q' to 'Q' and 'r' to 'R'.
7408 (cmpqi_ext_1): Disable for 64bit.
7409 (cmpqi_ext_3_insn): Likewise.
7410 (movqi_extzv_1): Likewsie.
7411 (addqi_ext_1): Liekwsie
7412 (testqi_ext_1): Liekwsie
7413 (andqi_ext_1): Liekwsie
7414 (xorqi_ext_1): Liekwsie
7415 (cmpqi_ext_1_rex64): New.
7416 (cmpqi_ext_3_insn_rex64): Likewise.
7417 (movqi_extzv_1_rex64): Likewsie.
7418 (addqi_ext_1_rex64): Liekwsie
7419 (testqi_ext_1_rex64): Liekwsie
7420 (andqi_ext_1_rex64): Liekwsie
7421 (xorqi_ext_1_rex64): Liekwsie
7423 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7425 * configure.in: Move check for unsigned enumerated bitfields
7426 to macro in aclocal.m4. Disable it for now.
7427 * configure, config.in: Regenerate.
7428 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
7429 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
7430 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
7431 kind above its first use.
7433 * config/xm-interix.h, config/alpha/xm-alpha.h,
7434 config/i370/xm-linux.h, config/i386/xm-beos.h,
7435 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
7436 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7437 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
7438 Don't define ONLY_INT_FIELDS under any circumstances.
7440 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
7442 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7443 config/sparc/xm-sysv4.h: Delete - now identical with some
7445 * config.gcc (hppa targets): Replace xm-pahpux.h and
7446 xm-papro.h with implicit xm-pa.h.
7447 (sparc targets): Replace xm-sysv4.h with implicit or explicit
7450 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
7452 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
7453 before reload_cse_noop_set_p.
7455 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7457 * config.gcc: Where xm-host.h used to include another
7458 xm-host.h, list the nested header directly in xm_file. Remove
7459 references to deleted files. Can now use sparc/xm-sp64.h for
7462 * config/xm-linux.h, config/arm/xm-linux.h,
7463 config/i386/xm-dos.h, config/i386/xm-gnu.h,
7464 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
7465 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
7466 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
7467 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
7470 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
7471 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
7472 bother to wrap #undef in #ifdef.
7473 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
7474 Don't include xm-linux.h.
7475 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
7477 * configure.in: Wrap regexps using [] in changequote block.
7478 Use expr : not echo | grep. Simplify regexps.
7479 * configure: Regenerate.
7481 56 xm-files remain, 22 xm-arch.
7483 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7485 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
7486 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7487 (local_index, local_rindex): Delete, use strchr/strrchr instead.
7488 (copy_object): Fix format specifier vs argument mismatch.
7490 * mips-tdump.c: Make local functions static.
7491 (rindex): Don't #undef.
7492 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7493 (fatal, fancy_abort): Delete.
7494 (read_seek): Avoid signed/unsigned compare.
7496 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7498 * combine.c (try_combine): Fix error in change to try original
7500 (gen_rtx_combine): Do same as gen_rtx for now.
7502 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7504 * configure.in: AC_SUBST xm_defines.
7505 * configure: Regenerate.
7506 * Makefile.in: Set DEFINES=$(xm_defines) when building
7509 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
7511 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
7512 (cpp_included, find_include_file): Update.
7513 (_cpp_compare_file_date): Make else unconditional.
7515 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
7517 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
7519 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
7521 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
7522 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
7524 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
7526 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
7527 if it's a record type.
7529 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
7531 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
7532 mingw includes slightly.
7534 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7536 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
7537 #undef token before poisoning it.
7539 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7541 * alpha.c (check_float_value): Use memcpy, not bcopy.
7543 * m32r.c (m32r_sched_reorder): Likewise.
7545 * vax.c (check_float_value): Likewise.
7547 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7549 * toplev.c (file_name_nondirectory): Remove.
7550 * toplev.h: Similarly.
7551 * dwarf2out.c (compute_section_prefix): Use lbasename instead
7552 of file_name_nondirectory.
7554 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7556 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
7557 * mips-tfile.c: Don't #undef rindex; not used.
7559 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
7561 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
7562 (dbx64_register_map): Declare.
7563 (RETURN_ADDR_RTX): Fix for 64bit.
7564 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
7565 (INCOMING_FRAME_SP_OFFSET): Set to 8.
7566 * i386.c (dbx64_register_map): New global array.
7567 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
7568 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
7571 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7573 * cppfiles.c (search_from): Use lbasename.
7574 * mkdeps.c (deps_add_default_target): Use lbasename.
7576 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7578 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
7579 xcalloc in lieu of malloc, realloc & calloc.
7581 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
7583 * gengenrtl.c (xmalloc): Likewise.
7585 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
7586 really_call_* memory allocation routines.
7588 * stmt.c (check_for_full_enumeration_handling): Use
7589 really_call_calloc, not calloc.
7591 * system.h (really_call_malloc, really_call_calloc,
7592 really_call_realloc): Define.
7593 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
7595 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
7597 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
7599 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
7601 * configure: Rebuilt.
7602 * configure.in: Only use `lang_requires' for languages athat are
7605 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
7607 * invoke.texi: Fix typo.
7608 * gcc.1: Regenerate.
7610 2001-03-09 Zack Weinberg <zackw@stanford.edu>
7612 * configure.in: Prune nonexistent files from build_xm_file,
7613 xm_file, and host_xm_file lists. Warn unless they're
7615 Don't generate *config.h here.
7616 AC_SUBST all variables needed to generate *config.h.
7617 * configure: Regenerate.
7618 * mkconfig.sh: New helper script, from code removed from
7620 * Makefile.in: Zap all MALLOC variables - no longer used
7621 anywhere, and malloc.c doesn't exist.
7622 Substitute in variables needed to generate *config.h.
7623 Stop lying about the dependencies contained in CONFIG_H and
7625 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
7626 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
7627 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
7628 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
7629 $(TM_P_H), etc. as appropriate.
7631 * config.gcc: Zap references to deleted files.
7632 * ggc-none.c: Don't include rtl.h or tm_p.h.
7634 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
7635 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
7636 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
7637 config/i386/xm-linux.h, config/i386/xm-linux.h,
7638 config/i386/xm-next.h, config/i386/xm-openbsd.h,
7639 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
7640 Don't include i386/xm-i386.h.
7642 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
7643 config/i386/xm-i386.h, config/i860/xm-i860.h,
7644 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
7645 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7646 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
7647 Delete (empty except comments, #includes of other deleted
7648 files, and macros used nowhere).
7650 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
7652 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
7653 independent on TARGET_FLAGS.
7655 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
7657 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
7659 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
7661 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
7663 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
7664 LAST_REX_SSE_REG): define.
7665 (enum reg_class): Add 'LEGACY_REGS'
7666 (REG_CLASS_CONTENTS): Likewise; add extended registers.
7667 (SSE_REGNO_P): Recognize extended registers.
7668 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
7669 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
7670 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
7671 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
7672 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
7673 REG_OK_FOR_STRREG_P): Remove.
7674 (HI_REGISTER_NAMES): Add extended registers.
7675 (ADDITIONAL_REGISTER_NAMES): Likewise.
7676 (QI_REGISTER_NAMES): Add 8bit extended registers.
7677 (DEBUG_REG): Support extended registers.
7678 * i386.c (regclass_map): Add extended registers.
7679 (dbx_register-map): Likewise.
7680 (svr4_dbx_register_map): Likewise.
7681 (print_reg): Support extended registers.
7682 (print_operand): Support 64bit operands.
7684 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
7686 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
7687 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7688 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
7689 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
7690 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
7691 STACK_BOUNDARY): Set properly for 64bits.
7692 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
7693 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
7694 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
7695 (MOVE_MAX): Set to 16.
7696 (MOVE_MAX_PIECES): 8 for 64bit.
7697 (Pmode): Set to SImode.
7699 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
7701 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
7703 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
7705 * i386.h (mask_64bit): New constant.
7706 (target_64bit): New macro.
7707 (target_options): Add '64'/'32'
7708 (target_default): Define.
7709 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
7710 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
7711 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
7713 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
7715 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
7717 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
7719 * rtlanal.c (rtx_varies_p): Check operand 0 of a
7720 LO_SUM unless for_alias is set.
7722 2001-03-08 Stan Shebs <shebs@apple.com>
7724 * objc/objc-act.c: Fix old typos in comments, add comments for
7726 (hash_init): Fix file name in error message.
7727 (hash_enter): Ditto.
7728 (hash_add_attr): Ditto.
7729 (continue_class): Ditto.
7731 2001-03-08 Bruce Korb <bkorb@gnu.org>
7733 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
7734 wait4() can receive the signal.
7736 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7738 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
7740 * fixinc/fixincl.x: Regenerate.
7742 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7744 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
7746 * fixinc/fixincl.x: Regenerate.
7748 2001-03-08 Richard Henderson <rth@redhat.com>
7750 * configure.in (HAVE_AS_LEB128): New assembler check.
7751 * configure, config.in: Rebuilt.
7753 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
7755 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
7758 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7760 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
7761 references to the MAXPATHLEN macro.
7763 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
7764 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
7767 * config/i386/xm-gnu.h, config/xm-gnu.h,
7768 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
7769 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
7770 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
7771 and/or unused files.
7773 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
7774 doing so in various xm-*.h files.
7776 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7778 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
7780 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
7782 * configure.in (enable_shared): Support per-package shared-library
7784 * configure: Rebuilt.
7786 2001-03-07 David Edelsohn <edelsohn@gnu.org>
7788 * rs6000.md (cr logic): Add original POWER mnemonic alternative
7789 for crnot. Set operands[5] in splitter.
7791 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7793 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
7794 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
7795 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
7796 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
7797 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
7798 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
7799 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
7802 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
7803 config/i370/xm-i370.h, config/i386/xm-dgux.h,
7804 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
7805 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
7806 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
7807 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
7808 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
7809 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
7810 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
7811 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
7812 Delete unused and/or empty files.
7814 * config.gcc: Define USG in xm_defines as appropriate. Define
7815 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
7816 macro. Remove deleted xm-* files from $xm_files variable.
7818 2001-03-07 Tom Tromey <tromey@redhat.com>
7820 * configure: Rebuilt.
7821 * configure.in: Allow config-lang.in to set `lang_requires' to list
7822 of other required languages.
7824 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
7826 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
7828 (output_prologue): Use xmalloc not oballoc.
7829 (output_epilog): Free a29k_first_epilogue_insn when finished.
7830 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
7832 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
7834 * builtins.c (expand_builtin_mathfn): Check
7835 flag_unsafe_math_optimizations, not flag_fast_math.
7836 (expand_builtin): Likewise
7837 * combine.c (combine_simplify_rtx): Likewise.
7838 (simplify_if_then_else): Likewise.
7839 * cse.c (fold_rtx): Likewise.
7840 * flags.h: Remove flag_fast_math. Add
7841 flag_unsafe_math_optimizations and flag_trapping_math.
7842 * fold-const.c (negate_expr): Check
7843 flag_unsafe_math_optimizations, not flag_fast_math.
7844 (invert_truthvalue): Likewise.
7845 (fold): Likewise. Before associating operands, check that
7846 code == MULT_EXPR, not code != MULT_EXPR.
7847 * ifcvt.c (noce_try_minmax): Check
7848 flag_unsafe_math_optimizations, not flag_fast_math.
7849 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
7850 * invoke.texi: Document -funsafe-math-optimizations and
7851 -fno-trapping-math. Change documentation for -ffast-math.
7852 * jump.c (reversed_comparison_code_parts): Likewise.
7853 (rtx_equal_for_thread_p): Likewise.
7854 * optabs.c (emit_conditional_move): Likewise.
7855 * simplify-rtx.c (simplify_binary_operation): Likewise.
7856 (simplify_relational_operation): Likewise.
7857 (simplify_ternary_operation): Likewise.
7858 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
7859 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
7860 Add trapping-math and unsafe-math-optimizations entries to f_options.
7861 (set_fast_math_flags): New, sets flags for -ffast-math.
7862 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
7863 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
7864 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
7866 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
7867 (alpha_emit_conditional_move): Initialize local_fast_math to
7868 flag_unsafe_math_optimizations, not flat_fast_math.
7869 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
7870 instead of setting flag_fast_math to 1.
7871 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
7873 * config/i386/i386.c (override_options): Likewise
7874 * config/i386/i386.md: Likewise.
7875 * config/m68k/m68k.md: Likewise.
7876 * config/mips/mips.md: Likewise.
7877 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
7878 (rs6000_generate_compare): Likewise.
7880 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7882 * Makefile.in: Set RANLIB to @RANLIB@.
7885 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7887 * fixinc/inclhack.def (djgpp_wchar_h): New test.
7888 * fixinc/fixincl.x: Regenerated.
7890 2001-03-07 Richard Henderson <rth@redhat.com>
7892 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
7894 2001-03-07 Richard Henderson <rth@redhat.com>
7896 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
7897 of block notes and exception handling notes.
7899 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
7900 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
7901 (compile_file): ... here.
7903 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7905 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
7907 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
7908 config.h now. Include libiberty.h to handle alloca.
7910 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7912 * c-parse.in (yylexname): New function, split out of _yylex.
7913 (objc_rid_sans_at): New table.
7914 (init_reswords): Initialize it.
7915 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
7916 retrieving the next token and checking it for significance as
7917 an ObjC keyword or string constant.
7919 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
7920 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
7922 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
7925 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
7927 * config/m68k/m68k.c (const_uint32_operand): Accept any
7928 const_int on a 32-bit host.
7930 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
7932 * objc/objc-act.c (init_objc): Set save_lang_status,
7933 restore_lang_status, and mark_lang_status.
7935 2001-03-06 Krister Walfridsson <cato@df.lth.se>
7937 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
7939 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
7941 * cppinternals.texi: Update.
7943 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7945 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7946 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
7947 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
7948 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7949 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
7950 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7951 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
7952 config/i386/xm-i386.h, config/i860/xm-i860.h,
7953 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7954 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
7955 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7956 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7957 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7958 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7959 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
7960 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7961 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
7962 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7963 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7964 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
7965 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
7966 match the defaults provided in hwint.h.
7968 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7969 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
7971 * config.gcc (xm_file): Don't set to files which are deleted.
7973 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
7974 guard this file against these macros being undefined.
7976 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7978 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
7979 and DECL_DEFER_OUTPUT on the decl we create, before calling
7980 rest_of_decl_compilation.
7982 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7984 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
7986 * configure, config.in: Regenerate.
7987 * config.gcc: Remove references to deleted files.
7989 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
7990 genrecog.c, rtl.c: Do not use alloca anywhere.
7992 * Makefile.in, build-make, system.h, config/x-interix,
7993 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
7994 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
7995 config/arc/xm-arc.h, config/arm/xm-arm.h,
7996 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7997 config/h8300/xm-h8300.h, config/i370/x-oe,
7998 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
7999 config/i386/x-ncr3000, config/i386/x-sco5,
8000 config/i386/xm-dgux.h, config/i860/x-sysv4,
8001 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
8002 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
8003 config/m68k/x-hp320g, config/m69k/x-mot3300,
8004 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
8005 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
8006 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
8007 config/m88k/x-sysv4, config/m88k/x-tekXD88,
8008 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8009 config/mips/x-iris, config/mips/x-iris3,
8010 config/mips/x-sni-svr4, config/mips/x-sysv,
8011 config/mips/xm-iris6.h, config/mips/xm-mips.h,
8012 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
8013 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
8014 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8015 config/pa/xm-papro.h, config/romp/xm-romp.h,
8016 config/rs6000/x-aix31, config/rs6000/x-aix41,
8017 config/rs6000/x-beos, config/rs6000/x-lynx,
8018 config/rs6000/x-mach, config/rs6000/x-rs6000,
8019 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
8020 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8021 config/sparc/x-sysv4, config/sparc/xm-linux.h,
8022 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
8023 config/vax/xm-vms.h: Eradicate all references to alloca and
8026 * config/xm-alloca.h, config/clipper/x-clix,
8027 config/i386/xm-sysv4.h, config/i860/x-fx2800,
8028 config/i860/x-sysv3, config/m88k/x-sysv3,
8029 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
8030 (contained only alloca related hacks).
8032 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
8035 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
8037 * invoke.texi: Document __FAST_MATH__.
8039 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8041 * crtstuff.c: Restore include of auto-host.h.
8043 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
8045 Put main() in a separate file, so that the language
8046 front-end can use a different main().
8049 * toplev.c: (main): Rename as toplev_main.
8050 * toplev.h: Declare toplev_main.
8051 * Makefile.in (OBJS): add toplev.o.
8052 (BACKEND): remove toplev.o, add main.o.
8054 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8056 * cppfiles.c (search_from): Special case the empty string.
8058 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8060 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
8061 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
8062 strlen or strcpy; we already know the length.
8063 (_cpp_compare_file_date): Similarly.
8064 * cpphash.h (struct cpp_reader): Delete done_initialising.
8065 (CPP_PREV_BUFFER): Delete.
8066 * cppinit.c (cpp_start_read): Don't set done_initialising.
8067 * cpplex.c (parse_string): Guarantee null-termination.
8068 (_cpp_equiv_toklists): Remove.
8069 * cpplib.c (glue_header_name): Null-terminate.
8070 (do_line): Don't leak memory.
8071 * cpplib.h (BT_WEAK): Delete.
8072 * cppmain.c (cb_ident): Strings are now null-terminated.
8074 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
8076 * gcc.c (convert_filename): Append executable suffix
8077 if NO_AUTO_EXE_SUFFIX is not defined.
8078 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
8079 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
8081 2001-03-03 David O'Brien <obrien@FreeBSD.org>
8083 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8084 * c-parse.gperf, c-gperf.h: Delete.
8085 (c-gperf.h was accidently re-added to the CVS repo in the rev
8086 1.16 commit by tromey)
8088 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8090 * cpplex.c (_cpp_lex_token): Don't warn about directives in
8091 macro arguments when looking for the '('.
8092 * cppmacro.c (funlike_invocation_p): Set parsing_args to
8093 2 when really parsing arguments; 1 when looking for '('.
8094 Always restore the lexer position.
8096 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8098 * longlong.h (umul_ppmm): Don't use a multiline string.
8100 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
8102 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
8103 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
8104 t_bool in declaration because pcc can't combine volatile with typedef
8107 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
8109 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
8110 until when it is really needed.
8111 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
8112 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
8113 * i386.md (float?i?f splitter): Don't force source operand to memory
8115 (sse_movdfcc): Fix constraint.
8116 (sse_movdfcc splitter): Handle properly the second alternative.
8118 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8120 * cpplex.c (parse_string): Unconditionally pedwarn.
8122 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8125 * cppexp.c (parse_number): Update.
8126 * cpplex.c (parse_string): Pedwarn if multiline string does not
8127 result from a system header's macro.
8128 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
8129 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
8130 for function-like macros too.
8131 * c-lex.c (lex_number): Update.
8133 2001-03-03 Richard Henderson <rth@redhat.com>
8135 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
8137 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
8139 * combine.c (try_combine): If split with mode-changed scratch
8140 register didn't work, try the original mode.
8142 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
8144 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
8145 * config/c4x/c4x.h: Likewise.
8146 * stor-layout.c (compute_record_mode): Likewise.
8147 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
8149 2001-03-02 Zack Weinberg <zackw@stanford.edu>
8151 * configure.in: Kill tm.h. Include the files in the $tm_file
8152 list in all three of config.h, hconfig.h, tconfig.h, after the
8153 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
8154 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
8155 * configure: Regenerate.
8156 * Makefile.in (clean): Don't delete tm.h.
8158 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
8159 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
8160 those are not defined, set SEC and FEC to 0 and 1.
8161 * gcc.texi: Update to match.
8163 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
8164 * config/fp-bit.c, config/m68k/aux-crt2.asm,
8165 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
8166 Include tconfig.h, not tm.h.
8168 * config/xm-lynx.h, config/xm-std32.h,
8169 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8170 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
8171 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
8172 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8173 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8174 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8175 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
8176 config/i386/xm-i386.h, config/i860/xm-i860.h,
8177 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8178 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
8179 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8180 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8181 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8182 config/pa/xm-linux.h, config/pa/xm-pa.h,
8183 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8184 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
8185 config/pj/xm-pj.h, config/romp/xm-romp.h,
8186 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8187 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8188 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8189 config/v850/xm-v850.h, config/vax/xm-vax.h,
8190 config/we32k/xm-we32k.h:
8192 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
8194 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
8195 config/i370/xm-oe.h: Don't include tm.h. Don't define
8197 * config/vax/xm-vms.h: Don't include tm.h.
8199 * config/xm-lynx.h, config/avr/xm-avr.h,
8200 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
8201 Delete; made empty by above changes.
8202 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8203 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
8204 Don't include config/xm-lynx.h or tm.h.
8206 * config/xm-gnu.h: Don't include fcntl.h.
8207 * config/sparc/xm-lynx.h: Don't include sys/types.h and
8209 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
8211 2001-03-02 Richard Henderson <rth@redhat.com>
8213 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
8214 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
8216 2001-03-02 Richard Henderson <rth@redhat.com>
8218 * Makefile.in (OBJS): Add dwarf2asm.o.
8219 * dwarf2asm.c, dwarf2asm.h: New files.
8220 * dwarf2out.c (*): Use them.
8221 (size_of_uleb128, size_of_sleb128): Remove.
8222 (output_uleb128, output_sleb128): Remove.
8223 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
8224 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
8225 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
8226 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
8227 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
8228 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
8229 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
8230 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
8231 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
8232 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8233 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
8234 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
8235 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
8236 (dwarf2out_frame_debug): Remove unused variables.
8237 (output_loc_operands): Don't abort on 8 byte constants if
8238 host integers are wide enough.
8239 (output_symbolic_ref): Remove.
8240 (size_of_die): Don't assume 4 byte host integers.
8241 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
8243 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
8244 something stupid with HOST_WIDE_INT to long truncation.
8245 [CONST_DOUBLE]: Likewise.
8247 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
8248 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8249 * config/arm/unknown-elf.h: Likewise.
8250 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
8251 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
8252 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
8253 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
8254 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
8255 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
8256 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
8257 (ASM_OUTPUT_DWARF_OFFSET): Remove.
8258 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
8259 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
8260 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
8261 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
8263 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8265 * cselib.c (hash_rtx): Cast enums to unsigned int.
8267 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8269 * print-rtl.c (print_rtx): Cast enums to int for comparison.
8270 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
8272 * c-format.c (C_STD_VER): Cast to int for comparisons.
8273 (check_function_format): Cast various enums to int for &.
8274 (maybe_read_dollar_number): Likewise.
8275 (check_format_info): Likewise.
8276 (check_format_info_main): Likewise.
8277 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
8278 (safe_from_p): Likewise.
8279 * varasm.c (const_hash): Cast enum to int for %.
8280 * emit-rtl.c (init_emit_once): Use int loop variable to work around
8281 pcc enum problems with < and ++ operators.
8282 * regclass.c (init_reg_sets_1): Cast enums for comparison.
8283 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
8284 (regclass_init): Change enum class to int to iterate over reg_classes.
8285 * genrecog.c (merge_trees): Cast enums for comparison.
8286 * rtl.h (GET_CODE): Cast to enum rtx_code.
8287 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
8288 (GET_MODE): Cast to enum machine_mode.
8289 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
8290 (GET_NOTE_INSN_NAME): Cast enum to int.
8291 * tree.h (TREE_CODE): Cast to enum tree_code.
8292 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
8293 * timevar.c (timevar_print): Change loop variable id from enum to
8295 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
8296 * config/i386/i386.md: Use PUT_MODE for mode assignment.
8297 * toplev.c (compile_file): Cast enum DFI to int.
8298 (decode_d_option): Likewise.
8300 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
8302 * cppinit.c (append_include_chain): Mark "after" include file name list
8303 as a system directory.
8304 * cpp.texi: Document new behavior.
8306 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
8308 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
8310 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
8312 * cppfiles.c (struct include_file): Update.
8313 (stack_include_file): Use search_from.
8314 (cpp_included, find_include_file): Update.
8315 (cpp_execute_include): Update. ptr->name may not be
8316 null terminated. Use the new search_from member variable
8318 (_cpp_compare_file_date): Similarly.
8319 (search_from): New function, similiar to actual_directory.
8320 (actual_directory): Delete.
8321 (remap_filename): Update. loc->name may not be null terminated.
8322 (struct file_name_list): Rename search_path. Update.
8323 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
8324 search_from and dir.
8325 (struct cpp_reader): Remove actual_dirs.
8326 * cppinit.c (struct cpp_pending): Update for renamed objects.
8327 (append_include_chain, remove_dup_dir, remove_dup_dirs,
8328 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
8329 * cpplib.h (struct cpp_options): Similarly.
8331 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8333 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
8334 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
8335 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8336 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8337 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8338 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8339 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8340 config/i370/xm-linux.h, config/i370/xm-mvs.h,
8341 config/i370/xm-oe.h, config/i386/xm-aix.h,
8342 config/i386/xm-i386.h, config/i386/xm-osf.h,
8343 config/i860/xm-i860.h, config/i960/xm-i960.h,
8344 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8345 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
8346 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
8347 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
8348 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
8349 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8350 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8351 config/pj/xm-pj.h, config/romp/xm-romp.h,
8352 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8353 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8354 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8355 config/v850/xm-v850.h, config/vax/xm-vax.h,
8356 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
8357 Do not define TRUE or FALSE.
8359 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
8360 empty by above change.
8361 * config.gcc: Remove references to these files.
8363 * configure.in: Detect stdbool.h.
8364 * configure, config.in: Regenerate.
8365 * system.h: Include stddef.h here if available.
8366 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
8367 Then set up a sensible boolean type at the very end.
8369 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
8370 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
8372 * hash.h: Delete 'boolean' typedef and related #undefs.
8374 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
8375 all uses of 'boolean' with 'bool'.
8377 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8379 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
8380 * cppexp.c (lex): Cast enums for comparison.
8381 * cppinit.c (parse_option): Cast enum for comparison.
8382 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
8383 (cpp_output_token): Likewise.
8384 (cpp_can_paste): Cast enums for comparsion and plus/minus.
8385 (cpp_avoid_paste): Cast enums for minus and comparison.
8387 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8389 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
8390 field to all array elements.
8392 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8394 * cpphash.h (struct cpp_reader): Add print_version field.
8395 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
8396 just set print_version and other flags as appropriate.
8397 (cpp_post_options): Print version here if print_version is set.
8399 * toplev.c (exit_after_options): New flag.
8400 (independent_decode_option): Don't exit here; just set
8402 (main): Exit after calling lang_hooks.post_options if
8403 exit_after_options is true.
8405 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
8406 (merge_include_chains): Adjust comment to match code.
8408 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8410 * stringpool.c (set_identifier): New function.
8411 * tree.h: Prototype it.
8413 * c-parse.in: Kill D_YES. If compiled for objc, call
8414 save_and_forget_protocol_qualifiers from init_reswords.
8415 * objc/objc-act.c (remember_protocol_qualifiers,
8416 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
8417 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
8419 (save_and_forget_protocol_qualifiers): New function.
8420 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
8422 2001-03-01 Diego Novillo <dnovillo@redhat.com>
8424 * c-semantics.c (prune_unused_decls): Return error_mark_node
8425 instead of (tree) 1 to stop traversing the tree chain.
8427 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8429 Fix a problem introduced by Kenner's Feb 18 change.
8430 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
8431 flag_cse_skip_blocks only temporarily, not for ever.
8433 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
8435 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
8436 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
8438 * pa.c (emit_move_sequence): Verify operand0 is a hard register
8439 before determining its register class.
8441 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8443 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
8444 from reg 4 if current_function_calls_setjmp.
8445 (gen_nop_type): New function.
8446 (ia64_emit_nops): New function.
8447 (ia64_reorg): Call it.
8448 (ia64_sched_reorder): Move code that rotates bundles up a bit.
8450 * reload1.c (eliminate_regs_in_insn): Restrict the special case
8451 code not to try to optimize adds with anything but a REG destination.
8453 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
8454 (INSN_PRIORITY_KNOWN): New accessor macro.
8455 * haifa-sched.c (priority): Use it instead of testing priority against
8458 2001-02-28 DJ Delorie <dj@redhat.com>
8460 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
8461 since that doesn't work the way gcc wants on a generic m68k.
8463 2001-02-28 Richard Henderson <rth@redhat.com>
8465 * caller-save.c (save_call_clobbered_regs): Fix typo in
8466 comparison last change.
8468 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
8470 * i386.c (pentium4_cost): New.
8471 (m_PENT4): New macro.
8472 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
8473 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
8474 x86_integer_DFmode_moves, x86_partial_reg_dependency,
8475 x86_memory_mismatch_stall): Add Pentium4
8476 (x86_use_q_reg, x86_use_any_reg): Kill.
8477 (override_options): Add pentium4.
8478 (incdec_operand): Return 0 for pentium4.
8479 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
8480 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
8481 (TARGET_PENTIUM4): Define.
8482 (enum processor_type): Add PROCESSOR_PENTIUM4.
8483 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
8484 * i386.md (attribute "cpu"): Add pentium4.
8485 * invoke.texi (march): Add pentium4.
8487 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
8489 * i386.md (sse_mov?fcc*): New patterns and splitters.
8490 * i386.c (ix86_expand_movcc): Work post-reload; recognize
8491 the SSE based conditional moves.
8493 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
8495 * i386.md (attribute mode): Add "TI".
8496 (movsf_1): Add pxor support; remove constant propagation splitter.
8497 (movdf_integer): Likewise.
8498 (movdf_nointeger): Likewise.
8499 (movxf constant prop splitter): Handle all modes; update for SSE.
8500 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
8501 * i386.c (standard_80387_constant_p): Rewrite.
8502 (standard_sse_constant_p): New.
8503 * i386-protos.h (standard_sse_constant_p): New.
8505 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
8507 * i386.md (sse_setccsf, sse_setccdf): New.
8508 (sse_cmp* patterns): Use '%D' instead of outputtting condition
8510 * i386.c (sse_comparison_operator): Accept the supported unordered
8511 comparses; be ready for fast_math.
8512 (print_operand): Support 'D'.
8514 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
8516 * jump.c (reversed_comparison_code): Kill.
8518 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
8520 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
8523 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
8525 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
8526 add missing '%' in constraints.
8528 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
8530 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
8531 for HOST_BITS_PER_WIDE_INT == 32 too.
8533 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
8535 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
8537 (insert_save, insert_restore): New parameter save_mode.
8538 (init_caller_save): Update initialization of reg_save_code
8539 and reg_restore_code.
8540 (save_call_clobbered_regs): Compute save_modes and update calls to
8541 reg_save_code and reg_restore_code.
8542 (insert_restore): Unsignetize numbers; use save_modes to choose mode
8543 of spill; update use of reg_restore_code.
8544 (insert_save): Likewise.
8545 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8546 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8547 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
8549 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8551 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
8552 noce_try_store_flag_inc, noce_try_store_flag_mask,
8553 noce_try_cmove_arith):
8554 Use reversed_comparison_code instead of reverse_comparison and
8555 can_reverse_comparison_p.
8557 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
8559 * jump.c (reversed_comparison_code_parts): Allow reversal of
8560 unordered compares in -ffast-math mode; reverse ordered compares
8561 for FP even w/o -ffast-math.
8563 2001-02-27 Richard Henderson <rth@redhat.com>
8565 * print-rtl.c (print_rtx) [i]: Don't print field five on
8566 NOTEs other than NOTE_INSN_DELETED_LABEL.
8568 2001-02-27 Zack Weinberg <zackw@stanford.edu>
8570 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
8571 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
8573 2001-02-27 Diego Novillo <dnovillo@redhat.com>
8575 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
8576 even if walk_subtrees is 0.
8577 * c-semantics.c (prune_unused_decls): Return a non-null value to
8578 stop traversing the tree chain.
8580 2001-02-27 DJ Delorie <dj@redhat.com>
8582 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
8583 register, *then* define it as the new CFA.
8585 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
8587 * pa.c (override_options): Promote -fpic to -fPIC.
8588 (legitimize_pic_address): Simplify due to removal of
8589 small PIC as a code generation option.
8590 (secondary_reload_class): Similarly.
8591 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
8592 (PRINT_OPERAND_ADDRESS): Similarly.
8593 * pa.md (various patterns): Similarly.
8594 (small pic lo_sum pattern): Remove.
8596 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
8599 * md.texi (min, max): Document
8601 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
8603 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
8604 TARGET_PARTIAL_REG_DEPENDENCY.
8605 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
8607 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
8609 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
8611 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
8613 * mips.c (mips_make_temp_file): Fix thinko in last change.
8615 2001-02-26 Jason Eckhardt <jle@redhat.com>
8617 * combine.c (known_cond): Do not reverse the condition when
8618 SMAX/UMAX is being considered and the condition is for equality
8621 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
8623 2001-02-26 Philip Blundell <philb@gnu.org>
8625 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
8627 * config/arm/linux-elf.h: Remove historical relics related to
8628 above configurations.
8629 * config/arm/linux-oldld.h: Delete.
8630 * config/arm/linux-elf26.h: Delete.
8632 2001-02-26 Jason Merrill <jason@redhat.com>
8634 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
8636 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
8637 recognize a tentative definition. Lose obsolete code.
8639 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
8640 variables unless necessary, either.
8642 2001-02-25 Richard Henderson <rth@redhat.com>
8644 * ifcvt.c (struct noce_if_info): Add test_bb.
8645 (noce_get_alt_condition): New.
8646 (noce_try_minmax, noce_try_abs): New.
8647 (noce_operand_ok): New.
8648 (noce_process_if_block): Use them.
8649 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
8651 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
8653 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
8656 2001-02-25 Zack Weinberg <zackw@stanford.edu>
8658 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
8659 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
8661 (mips_asm_file_end): Free temp_filename here.
8663 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8665 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
8666 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
8668 * config/i386/i386.md (movstrsi): Handle FAIL case.
8670 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
8672 * cppinit.c (builtin_array): Update.
8673 (init_builtins): Flag builtins to warn if redefined or
8674 undefined. Define __GXX_WEAK as a normal macro.
8675 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
8676 * cpplib.h (NODE_WARN): New flag.
8677 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
8678 Handle __STDC__ as a builtin only on Solaris.
8679 (warn_of_redefinition): Renamed from check_macro_definition.
8680 Reverse sense of test. Always warn if NODE_WARN.
8681 (_cpp_create_definition): Use warn_of_redefinition. Flag
8682 any macro beginning with "__STDC_" to require a mandatory
8683 warning if redefined or undefined.
8685 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8687 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
8688 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
8689 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
8690 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
8691 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
8692 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
8693 Don't define any of:
8694 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
8695 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
8696 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
8697 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
8698 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
8700 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
8701 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
8704 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
8705 Delete now-empty file.
8707 * alpha/vms.h: Define NEED_ATEXIT here...
8708 * alpha/xm-vms.h: ...not here.
8710 * i386/cygwin.h: Don't define PARAMS.
8711 * mips/mips.c: Don't prototype mktemp. Don't define
8712 P_tmpdir. Use make_temp_file to create temporary files.
8713 Don't be clever and delete temporary files early.
8714 * config.gcc: Drop references to deleted files. Don't define
8716 * gcc.texi: Don't mention USE_PROTOTYPES.
8718 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8720 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
8721 (ix86_set_move_mem_attrs_1): Likewise.
8722 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
8723 * config/i386/i386.md (movstrsi): Call it.
8725 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8727 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
8728 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
8729 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
8730 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
8732 (i750a-*-*): Error here if hosting on i750a.
8733 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
8735 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
8736 Remove (empty modulo comments).
8738 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
8739 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
8740 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
8741 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
8742 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
8743 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
8745 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
8746 Remove reference to winnt.h in comment.
8747 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
8749 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8751 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
8752 used to set another biv.
8754 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8756 * tree.h (BLOCK_DEAD): New macro.
8757 (struct tree_block): New flag, dead_flag.
8758 * print-tree.c (print_node, case 'b'): Print missing fields.
8759 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
8760 * function.c (identify_blocks): Enable test for misplaced notes.
8761 (all_blocks): Skip BLOCK_DEAD blocks.
8762 * integrate.c (integrate_decl_tree): Likewise.
8764 * errors.c (internal_error, trim_filename): New functions.
8765 (fancy_abort): Call internal_error.
8766 * errors.h (internal_error, trim_filename): New declarations.
8768 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
8770 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
8772 (EXTRA_CONSTRAINT): Formatting changes.
8774 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8776 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
8778 2001-02-23 Per Bothner <per@bothner.com>
8780 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
8781 so they can be called from java/jvspec.c.
8782 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
8784 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
8786 * i386.c (ix86_frame): New structure.
8787 (ix86_compute_frame_size): Kill.
8788 (ix86_compute_frame_layout): New.
8789 (ix86_save_reg): New.
8790 (ix86_can_use_return_insn_p): Use frame layout stuff.
8791 (ix86_expand_prologue): Likewise.
8792 (ix86_expand_epilogue): Likewise.
8793 (ix86_initial_elimination_offset): Likewise.
8794 (ix86_nsaved_regs): Use ix86_save_reg.
8795 (ix86_emit_save_regs): Likewise.
8797 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
8799 * flow.c (find_sub_basic_blocks): New function.
8800 (split_block): Be ready for basic block introduced by CODE_LABEL.
8801 (commit_one_edge_insertion): Call find_sub_basic_block.
8803 * flow.c (make_edges): Add edge from entry for blocks starting with
8804 label having ALTERNATE_NAME
8806 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
8808 * function.c (epilogue_done): Be ready for first basic block not
8809 containing PROLOGUE_END note.
8810 (reposition_prologue_and_epilogue_notes): Avoid placing
8811 PROLOGUE_END note between BASIC_BLOCK.
8813 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
8815 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
8817 2001-02-21 DJ Delorie <dj@redhat.com>
8819 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
8820 check for current_function_has_nonlocal_goto from 1999-11-12.
8822 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8824 * diagnostic.c (trim_filename): No longer static.
8825 * toplev.h (trim_filename): Declare.
8826 * rtl.c (rtl_check_failed_bounds): Call internal_error.
8827 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
8828 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
8829 (rtvec_check_failed_bounds): Likewise.
8830 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
8832 * convert.c (convert_to_integer): Don't do unsigned unless result or
8833 both inputs are unsigned.
8835 * fold-const.c (fold_convert): Don't call size_int_type_wide if
8838 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
8840 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
8842 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
8844 * Makefile.in (resource.o): Add params.h dependence.
8845 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
8846 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
8847 * resource.c: Add dependence on params.h.
8848 (current_live_regs): Fix explanatory comment.
8849 (find_basic_block): Add new parameter to permit limiting search
8851 (mark_target_live_regs): Add new argument to find_basic_block call.
8852 (incr_ticks_for_insn): Likewise.
8854 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8856 * diagnostic.c (output_to_stream): Rename to
8857 output_buffer_to_stream. Loses the stream parameter.
8858 (init_output_buffer): Set diagnosic_buffer's stream.
8859 (flush_diagnostic_buffer): Adjust.
8860 (default_print_error_function): Likewise.
8861 (finish_diagnostic): Likewise.
8862 (verbatim): Likewise.
8864 * diagnostic.h (struct output_buffer): Add `stream' field.
8865 (output_buffer_attached_stream): New macro.
8867 2001-02-23 Jakub Jelinek <jakub@redhat.com>
8869 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
8870 check if either operand is divisible by C.
8871 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
8872 If type is signed, consider negative numbers as well.
8874 2001-02-22 Richard Henderson <rth@redhat.com>
8876 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
8877 reach .text instead of gp-relative relocs.
8878 * config/ia64/crtend.asm (.init): Likewise.
8880 2001-02-22 Andreas Jaeger <aj@suse.de>
8882 * extend.texi (C++ Attributes): Fix typo.
8884 2001-02-21 David Mosberger <davidm@hpl.hp.com>
8886 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
8887 functions, drop current_function_args_info.words test.
8888 (ia64_compute_frame_size): Mark syscall_linkage functions as
8889 using eight input registers.
8891 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
8892 Bruce Korb <bkorb@gnu.org>
8894 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
8895 * fixinc/README: Document how to convert sed substitutions
8896 to format style c_fix-es.
8897 * fixinc/fixincl.x: regen
8899 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
8901 * gcc.c: Add comment explaining how to add a command-line option.
8902 Add title to specs language comment.
8904 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8906 * gcc.c (cc1_options): Add "-param".
8907 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
8908 (option_map): Likewise.
8909 * toplev.c (display_help): Add entry for "--param".
8910 (independent_decode_option): Fix typographical error.
8912 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
8913 Bernd Schmidt <bernds@redhat.com>
8914 Jan Hubicka <jh@suse.cz>
8916 * i386.c (function_arg_advance): Pass SSE arguments in registers.
8917 (function_arg): Likewise.
8919 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
8921 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
8923 2001-02-21 Kazu Hirata <kazu@hxi.com>
8925 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
8929 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
8931 * flow.c (init_propagate_block_info): Canon address and use single_set
8932 for killing dead memory stores.
8934 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8936 * Makefile.in (reorg.o): Add params.h dependence.
8937 * params.def: Fix typographical error in comment.
8938 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8939 * params.h: Modify introductory comment.
8940 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8941 * reorg.c: Add dependence on params.h.
8942 (redundant_insn): Add parameterized throttle for search.
8943 (fill_simple_delay_slots): Add a comment explaining a variable.
8944 Move conditional out of loop, simplifying code.
8945 (fill_eager_delay_slots): Fix typographical error in comment.
8947 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
8949 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
8951 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
8952 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
8954 2001-02-21 Jason Merrill <jason@redhat.com>
8956 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
8957 (struct tree_decl): Add uninlinable bitfield.
8958 * c-decl.c (duplicate_decls): Set it.
8959 * integrate.c (function_cannot_inline_p): Check it.
8961 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
8962 DW_AT_MIPS_linkage_name to abstract methods.
8963 (dwarf2out_abstract_function): Emit class context before calling
8964 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
8965 (gen_subprogram_die): Remove obsolete code.
8966 (gen_member_die): Don't include clones in the member list.
8967 (gen_decl_die): Emit abstract info for clone origin.
8968 * dwarfout.c (output_type): Don't include clones in the member list.
8969 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
8970 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
8971 DECL_ABSTRACT on a function that already has it set.
8973 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
8974 (get_subprogram_die): Pass it in.
8976 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
8978 * flow.c (mark_set_1): Make not_dead unsigned long. For
8979 non-pseudos, use it as a bitmask of the hard regs that
8982 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
8984 * cppfiles.c: Update comments.
8985 (_cpp_read_file): Don't check for NULL filenames any more.
8986 * cppinit.c (cpp_start_read): Don't do canonicalization of
8987 in_fname and out_fname. Use the passed file name exclusively.
8988 (_cpp_handle_options): Don't treat "-" as a command line option,
8989 but as a normal filename.
8990 (_cpp_post_options): Canonicalize in_fname and out_fname.
8991 * cppmain.c (printer_init): Don't check out_fname for NULL.
8992 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
8993 (init_c_lex): Update, and use "" to represent stdin to CPP.
8996 2001-02-20 Will Cohen <wcohen@redhat.com>
8998 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
8999 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
9000 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
9003 2001-02-20 Stan Shebs <shebs@apple.com>
9005 * config/rs6000/rs6000.c (output_cbranch): Output branches
9006 on separate lines instead of using ';' to separate.
9008 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
9010 * cppinit.c (set_lang): Move builtin handling to...
9011 (init_builtins): ...here.
9012 (_cpp_create_reader): Move call to set_lang.
9014 2001-02-20 Mark Mitchell <mark@codesourcery.com>
9016 * stmt.c (expand_return): If an attempt is made to return the
9017 error_mar_node, treat the return like a return without a value.
9019 2001-02-19 Zack Weinberg <zackw@stanford.edu>
9021 * sibcall.c (skip_copy_to_return_value): Call
9022 identify_call_return_value here, and return orig_insn if it
9023 returns zero. Hardret and softret arguments now unnecessary.
9024 (call_ends_block_p): Don't call identify_call_return_value here.
9026 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
9028 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
9029 * ggc.h (ggc_mark_if_gcable): Delete prototype.
9031 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
9033 * pa.c (move_operand): Accept code to load the address of a
9034 symbol out of the DLT as a valid move operand.
9035 (print_operand, case 'A'): New to handle generating a DLT
9036 reference for a LO_SUM expression.
9037 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
9038 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
9040 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
9042 * README, cpp.texi, gcc.texi, version.c: Update version number to
9044 * cpp.1, gcov.1, gcc.1: Regenerate.
9046 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
9048 * cppfiles.c (stack_include_file): Generate dependencies
9049 here, and manage include_count here too.
9050 (PRINT_THIS_DEP): Delete.
9051 (_cpp_execute_include): Do not generate dependencies here,
9052 apart from the case of a missing header. Do not manage
9054 (_cpp_read_file): Leave dependency generation to
9057 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
9059 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
9060 target_cpu_default. Remove dead assignment to
9063 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
9065 * regclass.c (contains_reg_of_mode): Make global.
9066 (init_reg_sets): Remove contains_reg_of_mode; take into account
9067 CLASS_MAX_NREGS when looking for the proper mode.
9068 (dump_regclass): Dump only classes considered for the pseudo.
9069 (regclass): Use contains_reg_of_mode.
9071 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
9073 * gcc.c (do_spec_1): 'n' for printing notices.
9074 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
9076 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
9078 * reg-stack.c (next_flags_user): Use current_block->end
9079 (swap_rtx_condition): Look for next user if flags don't die;
9080 give up on CALL_INSNs; use current_block->end.
9082 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9084 * sibcall.c (call_ends_block_p): New function.
9085 (optimize_sibling_and_tail_recursive_call): Use it.
9087 2001-02-18 Kazu Hirata <kazu@hxi.com>
9089 * config/h8300/h8300.md: Update copyright.
9090 (andsi3): Do not output an extra newline character.
9092 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9094 * toplev.c (note_deferral_of_defined_inlined_function): Argument
9095 FNDECL may be unused.
9097 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
9098 follow jumps after first run.
9099 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
9100 it doesn't change any jumps.
9102 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
9104 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
9105 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
9106 (mostlyclean): Corresponding changes.
9107 * rtlanal.c (hard-reg-set.h): Include.
9108 (rtx_unstable_p): Do not treat the argument pointer specially
9109 if it is not a fixed register.
9110 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
9112 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9114 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
9115 against last real insn in basic block.
9116 Rework to avoid gotos.
9118 * Makefile.in (gcse.o): Now includes ggc.h.
9119 * gcse.c: Include ggc.h.
9120 (want_to_gcse_p): Verify expression can be in SET as valid insn.
9121 (try_replace_reg): Remove warning of uninitialize variable.
9122 (process_insert_insn): Call invalid_insn_p to validate insn.
9123 * recog.c (insn_invalid_p): Now global.
9124 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
9125 * recog.h (insn_invalid_p): New declaration.
9127 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
9129 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
9130 assignments from FP constants since 'Y' output code can't handle it.
9131 (eligible_for_sibcall_delay): Likewise.
9133 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
9134 Call fancy_abort directly, passing args.
9135 (print_rtl_and_abort): Now a macro, like fancy_abort.
9137 * final.c (output_operand_lossage): Use internal_error, not error.
9139 2001-02-18 Shane Nay <shane@agendacomputing.com>
9141 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
9142 structure shift insns.
9144 2001-02-18 Mark Mitchell <mark@codesourcery.com>
9146 * invoke.texi (-fsquangle): Remove documentation.
9147 (-fname-mangling-version): Likewise.
9149 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
9151 * optabs.c (expand_abs): Remove reference to
9152 HAVE_contitional_arithmetic.
9153 * combine.c (simplify_set): Likewise.
9155 2001-02-18 Richard Henderson <rth@redhat.com>
9157 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
9160 2001-02-18 Richard Henderson <rth@redhat.com>
9162 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
9164 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
9166 * reload1.c (reload_cse_simplify_set): Fix typo.
9168 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9170 * diagnostic.c (_fatal_insn): Decrement errorcount.
9172 * invoke.texi (-I): Add note avoiding use for system header files.
9174 * rtl.h (add_clobbers): Remove duplicate declaration.
9175 * recog.h (added_clobbers_hard_reg_p): New declaration.
9176 * genemit.c (struct clobber_pat): New field has_hard_reg.
9177 (gen_insn): Record if added clobbers clobber hard reg.
9178 (gen_split): Avoid unused warning if number of operands is 0.
9179 (output_added_clobbers_hard_reg_p): New function.
9182 2001-02-18 Alan Modra <alan@linuxcare.com.au>
9184 * pa.c (hppa_expand_prologue): Simplify code storing return
9185 pointer. For large (>=8k) frames with a post_store, adjust stack
9186 pointer by 8k-64 first rather than by 64. When testing with
9187 VAL_14_BITS_P, always use the actual value rather than the value
9188 negated. Add blockage to prevent scheduling of spills before
9189 stack frame has been created.
9190 (hppa_expand_epilogue): Simplify code loading return pointer.
9191 Allow a slightly larger range for merge_sp_adjust_with_load case.
9192 When testing with VAL_14_BITS_P, always use the actual value.
9194 * pa.c (pa_adjust_insn_length): Check that block move
9195 pattern is a set before looking at operands.
9197 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9199 * fold-const.c (fold_binary_op_with_conditional_arg): New
9200 function, split out from ...
9202 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
9203 conditional arms that throw exceptions.
9205 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
9208 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9210 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
9211 define HAVE_DECL_* to 1 to mask potential backup declarations.
9212 * configure: Regenerated.
9214 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9216 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
9218 2001-02-17 Richard Henderson <rth@redhat.com>
9220 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
9221 when replacing a memory load with a register.
9223 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9224 Jan Hubicka <jh@suse.cz>
9226 * recog.c (validate_replace_src_1): New.
9227 (validate_replace_src_data): Likewise.
9228 (validate_replace_src): Use note_uses.
9229 * rtl.h (note_uses): Declare.
9230 * rtlanal.c (note_uses): New.
9232 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
9234 * reg-stack.c (stack_def): Make field reg unsigned.
9235 (remove_regno_note): Unsignetize parameter.
9237 2001-02-16 Jes Sorensen <jes@linuxcare.com>
9239 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
9240 shladd_operand() call.
9242 2001-02-16 Bruce Korb <bkorb@gnu.org>
9243 Rodney Brown <RodneyBrown@mynd.com>
9245 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
9246 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
9247 machine restrictions
9248 * fixinc/fixincl.x: regen
9250 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9252 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
9254 (hash_scan_insn): Clean up calls to hash_scan_set.
9255 (compute_kill_rd): REGNO now unsigned.
9256 (try_replace_reg): Rework to use simplify_replace_rtx.
9257 (cprop_jump, cprop_cc0_jump): Likewise.
9258 (cprop_insn): Call find_reg_equal_equiv_note.
9259 Reflect changes to cprop_jump and cprop_cc0_jump.
9261 * recog.c (validate_replace_src): Replace in operands of
9262 ZERO_EXTRACT in SET_DEST.
9264 * cse.c (new_label_ref): New variable.
9265 (insert): Set it instead of recorded_label_ref.
9266 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
9267 CODE_LABEL for this function, and not already in REG_LABEL note.
9269 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
9271 * resource.c (mark_referenced_resources): Fix typo in introductory
9273 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
9276 2001-02-16 Jason Merrill <jason@redhat.com>
9278 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
9280 (gen_subprogram_die): Don't abort on seeing a second definition if
9281 the previous one was abstract. Don't replace an abstract instance
9282 in the lookup table.
9284 * dwarf2out.c (dwarf2out_abstract_function): Rename from
9285 gen_abstract_function.
9286 * dwarf2out.h: Declare it.
9287 * toplev.c (note_outlining_of_inline_function): New fn.
9288 * toplev.h: Declare it.
9289 * integrate.c (output_inline_function): Call it.
9290 * c-decl.c (duplicate_decls): Call it when redefining an extern
9291 inline. Don't inline the new defn.
9293 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
9295 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9297 * .gdbinit: Rename to gdbinit.in.
9298 * gdbinit.in: New file,
9299 * configure.in: Generate .gdbinit from gdbinit.in.
9300 * configure: Regenerated.
9301 * Makefile.in (distclean): Always remove .gdbinit.
9303 2001-02-16 Jakub Jelinek <jakub@redhat.com>
9305 * objc/objc-act.c (start_class): Register implemented_classes with
9308 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
9310 * cppfiles.c (_cpp_make_system_header): Generate a file
9313 2001-02-15 Jim Meyering <meyering@lucent.com>
9315 * Makefile.in (install-common): Don't depend on installdirs here.
9316 Instead, make each of the lang.install-common targets (e.g.,
9317 c++.install-common in cp/Make-lang.in) depend on it.
9318 (install-driver): Depend on installdirs.
9320 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9322 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
9324 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
9327 2001-02-15 Mark Mitchell <mark@codesourcery.com>
9329 * invoke.texi (--param): Document.
9331 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
9333 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
9335 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
9337 * i386.md (extendsfdf2_2): Fix constraints.
9339 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
9341 * i386.md (fop_df_3 splitter): Fix operand number.
9343 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
9345 * invoke.texi (-mreg-alloc): Nuke.
9346 * i386.c (ix86_reg_alloc_order, regs_allocated,
9347 order_regs_for_local_alloc): Nuke.
9348 (override_options): Kill reg_alloc code.
9349 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
9350 (REG_ALLOC_ORDER): SSE goes before I387.
9351 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
9352 (ix86_reg_alloc_order): Likewise.
9353 * i386-protos.h (ix86_reg_alloc_order): Kill.
9355 2001-02-14 Richard Henderson <rth@redhat.com>
9357 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
9359 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
9361 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
9363 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
9365 * i386-protos.h (ix86_memory_move_cost): Move offline.
9366 * i386.c (ix86_register_move_cost): Compute properly cost of
9367 SSE, MMX and i387 instructions.
9368 (*_cost): Add costs of SSE/MMX moves.
9369 (ix86_memory_move_cost): Move offline from ....; Likewise.
9370 * i386.h (MEMORY_MOVE_COST): .... here;
9371 (struct processor costs): Add new fields to represent costs
9374 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
9376 * regclass.c (init_reg_sets_1): Reinstall the optimization of
9377 move_cost together with Matt Kraai's fix.
9379 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9381 * Makefile.in (OBJS): Add params.o.
9383 2001-02-14 Richard Henderson <rth@redhat.com>
9384 DJ Delorie <dj@redhat.com>
9386 * jump.c (jump_optimize_1): When we delete a conditional jump
9387 preceeding a non-conditional jump to effectively the same place,
9388 make sure that the combined jump skips any clobber insns between
9391 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9393 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
9395 2001-02-14 Mark Mitchell <mark@codesourcery.com>
9397 * Makefile.in (toplev.o): Depend on params.h.
9398 (intergate.o): Likewise.
9399 (params.o): New target.
9400 * flags.h (inline_max_insns): Remove.
9401 * integrate.c: Include params.h.
9402 Use MAX_INLINE_INSNS instead of inline_max_insns.
9403 * params.c: New file.
9404 * params.h: Likewise.
9405 * params.def: Likewise.
9406 * toplev.c: Include params.h.
9407 (lang_independent_params): New variable.
9408 (decode_f_option): Use the param machinery instead of setting
9410 (independent_decode_option): Handle "--param name=value".
9411 (main): Register language-independent parameters.
9413 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
9415 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
9417 2001-02-14 Richard Henderson <rth@redhat.com>
9419 * regclass.c (init_reg_sets_1): Revert last two changes.
9421 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9423 * stor-layout.c (is_pending_size, put_pending_size): New functions.
9424 (variable_size): Call put_pending_size.
9425 * tree.h (is_pending_size, put_pending_size): Add prototypes.
9426 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
9427 sizes list, put newly created SAVE_EXPR there as well.
9429 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9431 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
9432 (errata_find_address_regs): load_group has only 2 entries.
9433 (errata_emit_nops): Likewise. shladd is not problematic.
9434 Clear last_group if nop was emitted.
9435 (fixup_errata): load_group has only 2 entries.
9438 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
9440 * c-lex.c (lex_number): Only warn traditionally for U suffix
9441 outside system macros.
9442 * cppexp.c (parse_number): Similarly.
9443 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
9444 * cppmacro.c (struct cpp_macro): New member node.
9445 (parse_args): Only warn about missing rest args if not
9447 (funlike_invocation_p): Similarly for uninvoked funlike macros.
9448 (cpp_sys_objmacro_p): New.
9449 (_cpp_create_definition): Store the node with the macro defn.
9450 Remember if the macro is defined in a system header.
9452 2001-02-13 DJ Delorie <dj@redhat.com>
9454 * configure.in (check_languages): determine languages to check
9455 * Makefile.in (check-c++): alias for check-g++
9456 (check-f77): alias for check-g77
9457 (CHECK_TARGETS): depend on configured languages
9459 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
9461 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9462 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9463 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9464 (sqrtextendsfdf2): Disable for SSE2.
9466 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9468 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9469 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9470 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9471 (sqrtextendsfdf2): Disable for SSE2.
9473 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
9475 * i386.md (movsfcc_1): Support integer cmove instruction.
9476 (movdfcc_1): Likewise; new splitter.
9478 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
9480 * i386.c (output_fp_compare): Support SSE.
9481 (prepare_fp_compare_args): SSE comparisons always support memory.
9482 * i386.h (TARGET_CMOVE): SSE imply cmove.
9483 * i386.md (cmp?f2): Enable for SSE too.
9484 (cmpfp_i*): Support SSE.
9486 (cmpfp_i_sse_only): New.
9487 (s*, b* fp expanters): Enable for SSE too.
9488 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
9491 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
9493 * regclass.c (init_reg_sets_1): Silence warning.
9495 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
9497 * i386.md (sqrt?f2): Change to expander.
9498 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
9500 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9502 * rtlanal.c (find_reg_equal_equiv_note): New function.
9503 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
9504 (simplify_gen_relational, simplify_replace_rtx): Likewise.
9505 * rtl.h: Add declarations for above functions.
9507 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
9509 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
9511 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
9512 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
9513 * flow.c (mark_regs_live_at_end): Likewise.
9514 (calculate_global_regs_live): Likewise.
9515 * gcse.c (compute_hash_table): Likewise.
9516 (compute_kill_rd): Likewise.
9517 * resource.c (mark_target_live_regs): Likewise.
9518 * rtl.h (INVALID_REGNUM): New macro.
9520 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
9522 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
9524 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
9526 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
9529 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
9531 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
9533 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
9534 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
9535 (fop_sf_1_sse, fop_df_1_sse): New patterns
9536 (fop_*): Disable float_extend and float patterns for SSE compilation.
9537 * i386.c (output_387_binary_op): Support SSE.
9539 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
9541 * i386.md (dummy_extendsfdf2): Support SSE2
9542 (extendsfdf2): Enable if 80387 or SSE2.
9543 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
9544 and no MIX_I387_SSE2
9545 (extendsfdf2_1_sse_only): New pattern.
9546 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
9548 (truncdfsf2_1): Support SSE.
9549 (truncdfsf2_2): Support SSE.
9550 (truncdfsf2_2_1_sse): New pattern.
9551 (fixtruncsfsi2): Always use SSE if available.
9552 (fix_truncsfsi_sse): New pattern.
9553 (fix_truncdfsi_sse): New pattern.
9554 (floatsis?f2): Support SSE.
9555 (floatsidf2_i387): New pattern.
9556 (floatsidf2_sse): Likewise.
9558 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9560 * configure.in: Use "have_gnat" variable, not "gnat".
9561 * configure: Regenerated.
9563 * config/sparc/sparc.c (function_value): Treat all non-record
9564 aggregate types like used to treat UNION_TYPE.
9566 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
9568 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
9569 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
9571 (MASK_MIX_SSE_I387): New.
9572 (TARGET_SSE): SSE2 imply SSE.
9573 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
9574 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
9575 (enum reg_class): Add new classes.
9576 (REG_CLASS_NAMES): Likewise.
9577 (REG_CLASS_CONTENTS): Likewise.
9578 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
9579 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
9580 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
9581 (CLASS_MAX_NREGS): Use new macros.
9582 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
9583 * i386.md (pushsf, movsf): Support SSE.
9584 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
9585 splitters to use ANY_FP_REGNO_P.
9586 (movdf_nointeger, movdf_integer): Likewise.
9588 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9590 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
9591 (try_combine): Use it.
9593 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
9595 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
9596 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
9597 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
9598 (REGISTER_MOVE_COST): Likewise.
9599 * i386-protos.h (ix86_secondary_memory_needed,
9600 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
9601 * i386.c (ix86_secondary_memory_needed,
9602 ix86_preferred_reload_class, ix86_register_move_cost): New function.
9604 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
9606 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
9607 (HARD_REGNO_MODE_OK): Move offline to ....
9608 * i386.c (ix86_hard_regno_mode_ok) ... here;
9609 refuse all incorrect modes.
9610 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
9612 2001-02-13 Richard Henderson <rth@redhat.com>
9614 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
9615 entire operator; replicate that and match_dup the operands.
9616 (cmp_ccx_arith_op_set): Likewise.
9617 (cmp_cc_arith_op_not_set): Likewise.
9618 (cmp_ccx_arith_op_not_set): Likewise.
9620 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9622 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
9624 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9626 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
9627 (TARGET_NO_BITFIELD_WORD): New macro.
9628 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
9629 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
9631 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9633 * cselib.c: New file, from simplify-rtx.c.
9634 * simplify-rtx.c: Remove cselib parts.
9635 * Makefile.in: Add cselib.o.
9637 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9639 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
9640 (setup_incoming_varargs): Remove warning.
9642 * config/rs6000/rs6000.c (validate_condition_mode): When
9643 flag_fast_math, allow floating-point conditionals to be reversed.
9644 (rs6000_generate_compare): When flag_fast_math, don't generate
9645 cror operations for FP conditionals.
9647 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
9649 (ASM_SPEC): Likewise.
9650 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
9651 (CC1_SPEC): Likewise.
9652 (LINK_TARGET_SPEC): Likewise.
9653 (CPP_ENDIAN_SPEC): Likewise.
9654 * Makefile.in (check-consistency): New target.
9656 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
9658 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
9659 "return type defaults" warning for functions with return type
9661 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
9662 function declarations by default rather than only when pedantic.
9664 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
9666 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
9669 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9671 * extend.texi (Deprecated): Deprecate new initializer lists.
9673 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9675 * mkdeps.c (deps_add_default_target): Robustify. Add
9676 basename component only.
9677 * cpp.texi (-M): Describe how default target is generated.
9678 * invoke.texi (-M): Likewise.
9680 2001-02-12 Kazu Hirata <kazu@hxi.com>
9682 * toplev.c (push_float_handler): Remove.
9683 (pop_float_handler): Remove.
9684 * toplev.h: Remove prototypes for the above functions.
9686 2001-02-12 Jakub Jelinek <jakub@redhat.com>
9688 * c-common.c (constant_fits_type_p): New function.
9689 (convert_and_check): Use it.
9691 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9693 * Makefile.in (GXX_ABI_FLAG): Don't define.
9694 * configure.in (--enable-new-gxx-abi): Remove option.
9695 * config.in: Regenerated.
9696 * configure: Likewise.
9698 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
9700 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
9702 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
9703 regular basic block, and arrange for all edges into it to switch
9706 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9708 * Makefile.in (distclean): Do not remove .gdbinit.
9710 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9712 * Makefile.in (gcc.o): Fix typos.
9713 (protize.o): Likewise.
9714 (unprotoize.o): Likewise.
9716 2001-02-11 Richard Henderson <rth@redhat.com>
9718 * tree.c (build1): Check for null operand in last change.
9720 2001-02-11 Richard Henderson <rth@redhat.com>
9722 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
9723 (fold): Don't assume a constant isn't foldable.
9724 * tree.c (build): Set TREE_CONSTANT for an expression with no
9725 side-effects and constant operands.
9728 2001-02-10 Richard Henderson <rth@redhat.com>
9730 * jump.c (squeeze_notes): Revert 2000-05-12 change.
9732 2001-02-10 Anthony Green <green@redhat.com>
9734 * cpp.texi (Standard Predefined): Add documentation for
9737 * c-common.c (combine_strings): Improve warning message.
9739 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
9741 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
9743 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
9745 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
9747 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
9750 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
9752 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
9755 2001-02-09 Nick Clifton <nickc@redhat.com>
9757 * config/arm/arm.md: Change output contraint on post inc
9758 load/store multiple patterns to be a read/write contraint.
9760 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
9762 * gcc.c (cpp_options): Delete .d files on error. Don't delete
9763 .o files when using the -M options.
9765 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9766 David Edelsohn <edelsohn@gnu.org>
9768 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
9769 handle DImode constants. Use one TOC entry for SImode and smaller
9770 constants, aligned properly.
9772 2001-02-08 Jason Merrill <jason@redhat.com>
9774 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
9775 about the SP adjustment for saving the static chain pointer.
9776 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
9777 offset when setting a temporary CFA register.
9779 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
9781 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
9782 powerpc-*-chorusos* .
9783 * config/rs6000/chorus.h : New file.
9784 * config/i386/chorus.h : New file.
9785 * config/sparc/chorus.h : New file.
9786 * config/sparc/t-chorus-elf : New file.
9788 2001-02-08 David Edelsohn <edelsohn@gnu.org>
9790 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
9791 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
9792 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
9793 (__WCHAR_TYPE__): Correct macro name.
9795 2001-02-08 Richard Henderson <rth@redhat.com>
9797 * config/i386/i386.c (ix86_frame_pointer_required): New.
9798 (ix86_setup_frame_addresses): New.
9799 (struct machine_funciton): Add accesses_prev_frame.
9800 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
9801 ix86_frame_pointer_required.
9802 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
9803 (SETUP_FRAME_ADDRESSES): New.
9804 * config/i386/i386-protos.h: Update.
9805 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
9806 from FRAME_POINTER_REQUIRED.
9807 * config/i386/svr3gas.h: Likewise.
9808 * config/i386/sysv3.h: Likewise.
9809 * config/i386/v3gas.h: Likewise.
9811 2001-02-08 Richard Henderson <rth@redhat.com>
9813 * config/sparc/sparc.c (function_arg_record_value_3): Fix
9814 calculation of the number of integer registers required.
9815 (function_arg_record_value): Likewise.
9817 2001-02-08 Jason Merrill <jason@redhat.com>
9819 * diagnostic.c (internal_error): Say "confused" after 1 error, not
9820 two. Print file and line with "confused" message.
9822 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
9824 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9826 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
9828 2001-02-08 Bernd Schmidt <bernds@redhat.com>
9830 * final.c (cleanup_subreg_operands): The address of a MEM can
9833 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
9836 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
9838 * gcc.texi (Incompatibilities): Update documentation of
9839 preprocessing numbers.
9841 2001-02-07 Jakub Jelinek <jakub@redhat.com>
9843 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
9845 2001-02-07 Mark Mitchell <mark@codesourcery.com>
9847 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
9849 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
9850 * gcc.c (struct compiler): Add cpp_spec field.
9851 (input_file_compiler): New variable.
9852 (do_spec_1): Allow a particular compiler to handle `%C'
9854 (main): Store the current compiler in input_file_compiler.
9855 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
9857 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
9859 * cpphash.h (struct spec_nodes): Add n_true and n_false.
9860 * cppinit.c (cpp_create_reader): Initialize them.
9861 (append_include_chain): cxx_aware arg might be unused.
9862 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
9863 keywords and give them their phase 7 meaning. Pedwarn about
9864 this unless '__bool_true_false_are_defined' is defined.
9866 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9868 * lcm.c (optimize_mode_switching): Emit mode_set before the
9869 JUMP_INSN of an abnormal edge.
9871 2001-02-07 Bernd Schmidt <bernds@redhat.com>
9873 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
9874 a scheduling barrier at the end.
9876 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
9878 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9880 * config/sh/sh.md (reload_outsf): Removed.
9881 (movsf_ie): Introduce constraints for FPUL loads and stores.
9882 (reload_insf): Broaden the output constraint.
9884 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
9886 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
9887 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
9889 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
9891 * final.c: Revert my previous changes.
9892 * output.h: Make profile_label_no extern.
9893 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
9894 for generating label.
9896 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
9898 * config/i386/djgpp.h: Add comments about standard paths.
9899 (MD_EXEC_PREFIX): Undefine before defining.
9900 (MD_STARTFILE_PREFIX): New.
9902 2001-01-30 Bruce Korb <bkorb@gnu.org>
9904 fixinc/fixincl.c(process): Emit error message only if appropriate :)
9905 (load_file): do not rely on load_file_data() to close file pointer
9906 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
9907 fixinc/inclhack.def(irix_limits_const): add test_text
9909 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9911 * cppexp.c (parse_defined): Improve diagnostics for invalid
9914 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9916 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
9918 2001-02-06 Mark Mitchell <mark@codesourcery.com>
9920 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
9921 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
9922 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
9923 (rs6000_output_symbol_ref): New function.
9924 (output_toc): Use VTABLE_NAME_P.
9926 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9928 * print-tree.c (print_node, case PARM_DECL):
9929 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
9931 * stor-layout.c (reference_types_internal): New variable.
9932 (internal_reference_types): New function.
9933 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
9934 * tree.h (internal_reference_types): New declaration.
9936 * cse.c (find_best_addr): Fix typo in computing cost.
9938 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9940 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
9941 and this is the sum of a pointer and a constant, we know the result
9943 (num_sign_bit_copies, case PLUS): Likewise.
9944 * explow.c (convert_memory_address): Remove opposite SUBREG.
9945 * function.c (instantiate_new_reg): New function (from common code).
9946 (instantiate_virtual_regs_1): Call it.
9947 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
9948 if pointers sign- or zero-extend.
9949 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
9950 If pointers extend unsigned, use inside of SUBREG.
9951 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
9953 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
9955 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
9956 subdir of gcc_gxx_include_dir.
9957 (gcc_gxx_target_include_dir): Remove.
9959 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
9961 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
9962 (dwarf2out_frame_debug_expr): Revise introductory comments to add
9963 a high-level description.
9965 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
9967 * final.c: Move the declaration of profile_label_no to ...
9968 * output.h: ... here.
9969 * function.c (expand_function_start): Call PROFILE_HOOK.
9970 * config/rs6000/aix.h: Define PROFILE_HOOK.
9971 * config/rs6000/rs6000-protos.h: output_profile_hook new.
9972 * config/rs6000/rs6000.c (output_profile_hook): Define.
9973 (output_prolog): Do nothing for ABI_AIX as it is taken care by
9974 output_profile_hook.
9975 tm.texi : Explain new macro PROFILE_HOOK.
9977 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
9979 * extend.texi (Extended Asm): Do not say that semicolon is always
9980 a valid line-breaking character for GNU assemblers. Use
9981 newline-tab as the most commonly supported syntax. Use
9982 newline-tab rather than semicolon in multi-insn examples.
9984 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9986 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
9988 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9989 David Edelsohn <edelsohn@gnu.org>
9991 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
9992 code for AIX, even without flag_pic.
9994 2001-02-05 Jakub Jelinek <jakub@redhat.com>
9996 * c-typeck.c (common_type): push and pop binding level around
9997 calling common_type on function parameters.
9999 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
10001 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
10003 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10005 * config/mips/mips.c (override_options): Fix typo in last change.
10006 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
10007 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
10009 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
10011 * invoke.texi (-fdump-class-layout): Document.
10012 (-fdump-translation-unit): Use `=' as filename separator.
10014 2001-02-05 Mark Mitchell <mark@codesourcery.com>
10016 * Makefile.in (s-mlib): Don't build multilibs if
10017 --disable-multilib.
10018 (DRIVER_DEFINES): Adjust accordingly.
10020 (protoize.o): Likewise.
10021 (unprotoize.o): Likewise.
10022 * configure.in: Recognize --enable-multilib.
10024 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10026 * Makefile.in (DRIVER_DEFINES): Fix quoting.
10028 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
10029 * configure.in: Remove --enable-libstdcxx_v3 support.
10030 * configure: Regenerated.
10032 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10034 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
10035 Call abort instead of fatal.
10036 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
10037 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
10038 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
10039 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
10040 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
10041 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
10043 * diagnostic.h (set_internal_error_function): Renamed.
10044 * toplev.h (internal_error): Renamed from fatal.
10045 (pfatal_with_name): Deleted.
10046 (fatal_io_error): Now has printf-style arguments.
10047 * diagnostic.c (pfatal_with_name): Deleted.
10048 (fatal_io_error): Rework to have args in printf-style.
10049 (set_internal_error_function): Renamed from set_fatal_function.
10050 (internal_error): Renamed from fatal.
10051 (error_recursion, fancy_abort): Call internal_error instead of fatal.
10052 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
10053 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
10054 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
10055 * flow.c (verify_flow_info): Likewise.
10056 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
10057 * config/mips/mips.c (save_restore_insns): Likewise.
10059 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
10060 * flow.c (verify_flow_info): Likewise.
10061 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
10062 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
10063 (avr_normalize_condition): Likewise.
10064 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
10065 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
10066 (limit_reload_class, double_reg_to_memory): Likewise.
10067 (print_operand_address, emit_1600_code_shift): Likewise.
10068 (gen_tst_reg, gen_compare_reg): Likewise.
10069 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
10070 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
10072 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
10074 * c-parse.in (methoddef): Call fatal_error instead of fatal.
10075 * objc/objc-act.c (build_ivar_chain): Likewise.
10076 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
10078 * graph.c (clean_graph_dump_file): Likewise.
10079 * profile.c (init_branch_prob): Likewise.
10080 * objc/objc-act.c (objc_init): Likewise.
10082 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
10083 * config/avr/avr.c (avr_override_options): Likewise.
10084 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
10085 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
10086 * config/h8300/h8300.c (h8300_init_once): Likewise.
10087 * config/mips/mips.c (override_options): Likewise.
10088 * config/i386/i386.c (override_options): Likewise, rework.
10089 * config/m68k/m68k.c (override_options): Likewise.
10091 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
10093 * config/mips/mips.c (print_operand): Likewise.
10094 * hash.c (hash_allocate): Don't check for failure returns from
10095 obstack functions that can't fail.
10096 (hash_table_init_n, hash_table_init): Likewise; also now return void.
10097 * hash.h (hash_table_init_n, hash_table_init): Now return void.
10098 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
10099 (get_object_reference): Likewise.
10101 2001-02-04 Nick Clifton <nickc@redhat.com>
10103 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
10104 StrongARM1110, 10TDMI, and 1020T.
10106 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10108 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
10110 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
10112 * config/sh/sh.md (movdf load split): Pass register number to
10113 FP_OR_XD_REGISTER_P.
10115 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10117 * cppinit.c (BC): New macro.
10118 (builtin_array): Add __GXX_WEAK__.
10119 * cpplib.h (builtin_type): Add BT_WEAK.
10120 * cppmacro.c (builtin_macro): Handle BT_WEAK.
10121 * defaults.h (SUPPORTS_ONE_ONLY): Define.
10122 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
10124 2001-02-03 Jakub Jelinek <jakub@redhat.com>
10126 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
10128 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10130 * cpphash.h: Rename _ALIGN POOL_ALIGN.
10131 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10133 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10135 * cpphash.h: Rename ALIGN _ALIGN.
10136 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10138 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
10140 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
10141 compilation environment.
10142 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
10143 control over location of cygwin includes and libs.
10145 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10147 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
10149 2001-02-02 lars brinkhoff <lars@nocrew.org>
10151 * md.texi (Standard Names): remove reference to spur.md.
10153 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10155 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
10156 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
10157 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
10158 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
10159 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10161 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10163 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
10164 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
10165 number before reload.
10166 (c4x_adjust_cost): Return zero before reload.
10167 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
10168 split before reload.
10170 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10172 * c4x.c (c4x_hard_regno_rename_ok): New.
10173 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
10174 * c4x.h (HARD_REGNO_RENAME_OK): Define.
10176 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10178 * diagnostic.h: Add missing "extern" in all declarations.
10180 2001-02-02 Alex Samuel <samuel@codesourcery.com>
10182 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
10183 as for gcc_gxx_include_dir.
10185 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
10187 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
10189 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10191 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
10192 label before alignment to be used as the braf base address.
10193 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
10195 (casesi_jump_2): Require at least TARGET_SH2.
10197 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
10198 truncation to 32-bit doubles on -m3e and -m4-single-only.
10200 2001-02-02 Mark Mitchell <mark@codesourcery.com>
10202 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
10203 the default when building a shared object.
10204 (init_spec): Use it.
10205 * testsuite/lib/g++.exp: Include the directory where libgcc
10206 is located to the LD_LIBRARY_PATH list.
10207 * invoke.texi (-shared-libgcc): Document the cases in which
10208 GCC defaults to using the shared libgcc.
10210 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10212 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
10213 unsigned is wide enough.
10214 (BITS_PER_SI): New.
10215 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
10216 (si_to_float): Likewise.
10217 (float_to_si, float_to_usi): Use BITS_PER_SI.
10219 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10221 * dwarf2out.c: Added explanation of abbreviations.
10222 (def_cfa_1): Added comments listing DWARF2 instructions.
10223 (cfa_temp_reg): Removed in favor of cfa_temp.
10224 (cfa_temp_value): Removed in favor of cfa_temp.
10225 (cfa_temp): New global variable.
10226 (dwarf2out_frame_debug_expr): Added extensive introductory
10227 comments explaining the function's transformations. Revised to
10228 use cfa_temp. Added some rtx checking. Generalize IOR case.
10229 (dwarf2out_frame_debug): Revised to use cfa_temp.
10230 (output_aranges): Cast as "unsigned" to avoid warning.
10231 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
10232 explain which instructions must be marked.
10234 2001-02-01 Richard Henderson <rth@redhat.com>
10236 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
10239 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
10241 * config/sh/crt1.asm (main_k): Modified so that start calls
10242 ___setup_argv_and_call_main.
10244 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
10246 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
10247 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
10248 and AVOID_LPASTE is cleared on meeting an unescaped newline.
10249 * cppmacro.c (builtin_macro): Set builtin flags here.
10250 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
10251 (replace_args): Clarify intent.
10252 (cpp_get_token): Macro expansion tokens get the saved flags.
10254 * cppmain.c (scan_buffer): Remove now-redundant print.printed
10257 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10259 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
10262 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10264 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
10265 returns Pmode pseudo, but we need ptr_mode.
10266 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
10267 Remove bogus conversions; use HOST_WIDE_INT for size.
10268 Don't use TARGET if wrong mode.
10270 * config/i386/i386.c (ix86_compute_frame_size): Allow
10271 stack_alignment_needed to be non-default even if size is zero.
10273 2001-01-31 Alan Modra <alan@linuxcare.com.au>
10275 * pa.c (hppa_init_pic_save): New function.
10276 * pa.h (hppa_init_pic_save): Declare.
10277 * pa.md (call, call_value, sibcall, sibcall_value): Use
10278 the above instead of duplicated code.
10280 * pa.c (hppa_encode_label): Correct size of alloca buffer
10281 so we don't overrun it. Correct leading `*' case.
10282 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
10283 need to handle `*@'.
10284 (FUNCTION_NAME_P): Likewise.
10286 2001-01-31 Richard Henderson <rth@redhat.com>
10288 * config.gcc (alpha-osf5): Use float-i128.h.
10290 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
10291 * config/float-i32.h: Likewise.
10292 * config/float-i64.h: Likewise.
10293 * config/float-sh.h: Likewise.
10294 * config/float-sparc.h: Likewise.
10296 2001-01-31 DJ Delorie <dj@redhat.com>
10298 * expmed.c (extract_bit_field): allow non-integral modes if we
10299 want to extract a whole register from itself.
10301 2001-01-31 Jakub Jelinek <jakub@redhat.com>
10303 * c-typeck.c (set_init_index): If first is equal to last, assume as
10304 if it was not a range at all.
10306 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10308 * config/fp-bit.c: Include tm.h.
10309 (float_to_si): Don't assume SImode is 32-bits wide.
10310 (float_to_usi): Likewise.
10312 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
10314 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
10316 (typename): Call pending_xref_error after parsing typed_typespecs.
10317 * c-decl.c (lookup_tag): Give error immediately rather than
10318 leaving it pending if the tag of the wrong type is in the same
10320 (xref_tag): Don't pedwarn for forward declarations of enum types
10322 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
10325 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10327 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
10329 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10331 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
10332 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
10334 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10336 * cpphash.h (struct cpp_reader): New saved_flags.
10337 * cppmacro.c (cpp_get_token): Use saved_flags to remember
10338 to avoid a paste after a pasted token.
10340 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10342 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
10343 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
10344 Wtype_MIN instead of LONG_MIN.
10346 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10348 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
10350 * fixinc/fixincl.x: Regenerated.
10351 * fixinc/inclhack.def (irix_limits_const): New definition to
10352 convert "const" to "__const" in limits.h.
10354 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10356 * fixinc/genfixes (AG): Fix "autogen4" thinko.
10358 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10360 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
10361 when register dies in the insn.
10363 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10365 * diagnostic.c (fatal): Fix word wrap.
10367 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
10369 * combine.c (try_combine): Fix SUBREG setting for
10370 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
10372 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10374 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
10377 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10379 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
10381 * toplev.c (decode_W_option): Update warn_larger_than
10382 unconditionally for each processed switch.
10384 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
10386 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
10388 (hppa_expand_prologue): Delete code to save pic offset table register
10389 in the function prologue.
10390 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
10391 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
10392 table register at the beginning of the function after the prologue.
10394 2001-01-29 lars brinkhoff <lars@nocrew.org>
10396 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
10398 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
10399 Jeff Law <law@redhat.com>
10401 * pa.md (return): Revise comment for trivial return.
10402 (return_internal): Non-trivial return pattern for non-PIC code.
10403 (return_internal_pic): Non-trivial return pattern for PIC code.
10404 It uses the PIC register to ensure it is restored after
10406 (epilogue): Generate appropriate return for PIC and non-PIC code.
10408 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
10410 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
10412 2001-01-29 DJ Delorie <dj@redhat.com>
10414 * combine.c (if_then_else_cond): Pass the correct mode to
10415 operand_subword() for constants.
10417 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
10419 * config/i386/cygwin.h: Add w32api to include search. Search different
10420 directories in a cross-build environment.
10422 2001-11-29 Tim Josling <tej@melbpc.org.au>
10424 * tree.h (TYPE_STUB_DECL): Add documentation.
10426 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
10428 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
10429 (sdbout_field_types): Likwise. Fix use of host_integerp.
10431 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
10433 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
10436 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
10438 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
10439 to use flag_gnu_linker.
10441 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
10443 * cpplib.c (T_BAD_DIRECTIVE): Remove.
10444 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
10446 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
10448 * tree.c, tree.h (build_parse_node): Remove; was identical to
10450 * c-lang.c (start_cdtor), objc/objc-act.c
10451 (build_module_descriptor): Use build_nt instead of
10454 2001-01-29 Jakub Jelinek <jakub@redhat.com>
10456 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
10457 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
10458 not have any upper bits set.
10460 2001-01-29 Phil Edwards <pme@sources.redhat.com>
10462 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
10464 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10466 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
10468 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
10470 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
10471 (integer_minus_one_node): Define.
10473 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
10475 * Makefile.in (bootstrap2-lean): Fix typo.
10477 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
10479 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
10480 : Don't set fe_value.
10481 * cpplib.h (AVOID_LPASTE): New flag.
10482 (struct cpp_hashnode): Remove fe_value.
10483 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
10484 * cppmacro.c (builtin_macro): Don't set flags here.
10485 (replace_args): Set AVOID_LPASTE flag on first token of an
10486 argument, and the token following it.
10487 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
10488 macro expansion, and on the token following it. Do it for
10490 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
10492 2001-01-27 Richard Henderson <rth@redhat.com>
10494 * config/alpha/t-ieee: Remove multilibbing.
10495 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10497 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10499 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10501 * Makefile.in: Remove all dependencies on defaults.h.
10502 * builtins.c: Don't include defaults.h.
10503 * c-common.c: Likewise.
10504 * c-decl.c: Likewise.
10505 * c-pragma.c: Likewise.
10506 * c-typeck.c: Likewise.
10507 * combine.c: Likewise.
10508 * i386.c: Likewise.
10509 * frame-ia64.c: Likewise.
10510 * cppexp.c: Likewise.
10511 * crtstuff.c: Likewise.
10512 * dbxout.c: Likewise.
10513 * dwarf2out.c: Likewise.
10514 * dwarfout.c: Likewise.
10515 * emit-rtl.c: Likewise.
10516 * except.c: Likewise.
10517 * expr.c: Likewise.
10518 * final.c: Likewise.
10519 * frame-dwarf2.c: Likewise.
10520 * libgcc2.c: Likewise.
10521 * optabs.c: Likewise.
10522 * profile.c: Likewise.
10523 * sdbout.c: Likewise.
10524 * toplev.c: Likewise.
10525 * tradcif.y: Likewise.
10526 * tree.c: Likewise.
10527 * varasm.c: Likewise.
10529 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10531 * builtins.c (expand_builtin_fputs): Use size_one_node when
10532 transforming into fwrite.
10534 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
10536 * extend.texi (Attribute Syntax): New section.
10538 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10540 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
10541 they didn't need fixing.
10543 2001-01-27 Janis Johnson <janis@us.ibm.com>
10545 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
10547 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
10548 to remove macro definitions that are duplicated from elfos.h.
10550 2001-01-27 Richard Henderson <rth@redhat.com>
10552 * config/i386/sco5gas.h: Move ...
10553 * config/usegas.h: ... here.
10554 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
10556 2001-01-27 Jakub Jelinek <jakub@redhat.com>
10558 * c-typeck.c (struct constructor_stack): Add range_stack member.
10559 (really_start_incremental_init): Clear it.
10560 (push_init_level): Save constructor_range_stack and clear it if
10561 pushing explicit braces.
10562 (pop_init_level): abort if constructor_range_stack is non-zero at
10563 explicit closing brace. Restore saved constructor_range_stack if
10566 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10568 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
10569 into register was forced into memory.
10571 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10573 * Makefile.in: Remove uses of + before $(MAKE).
10575 2001-01-26 Richard Henderson <rth@redhat.com>
10577 * stmt.c (cost_table): Remove.
10578 (COST_TABLE, cost_table_initialized): New.
10579 (estimate_case_costs): Use the later instead of the former.
10580 (balance_case_nodes): Likewise.
10582 2001-01-26 Richard Henderson <rth@redhat.com>
10584 * alias.c (objects_must_conflict_p): Read-only slots may not
10585 conflict despite having the same type.
10587 2001-01-27 Michael Hayes <mhayes@redhat.com>
10589 * loop.c (loop_giv_reduce_benefit): Copy mode size into
10591 (check_ext_dependant_givs): Initialise u_start_val and
10593 (load_mems): Make last_max_reg unsigned.
10594 (try_swap_copy_prop): Use INSN_P and initialise set.
10596 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
10598 * README.AVR : Removed.
10600 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
10602 * pa-64.h (text_section): Remove declaration.
10604 * pa.md (return_internal): Remove mode on PIC register use.
10606 2001-01-25 lars brinkhoff <lars@nocrew.org>
10608 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
10609 ASM_CLOSE_PAREN): fix typos.
10611 2001-01-25 Mark Mitchell <mark@codesourcery.com>
10613 * acconfig.h: Define `const' to the empty string if neither
10614 __STDC__ nor __cplusplus is defined.
10615 * config.in: Regenerated.
10617 2001-01-25 David Edelsohn <edelsohn@gnu.org>
10619 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
10620 * collect2.c (main): Delete importf. Add ".obj" file extension.
10621 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
10622 (aix_std_libs): Add additional AIX libraries to skip.
10623 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
10624 * config/rs6000/aix51.h: New file.
10626 2001-01-25 Michael Hayes <mhayes@redhat.com>
10628 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
10629 (loop_insn_emit_before): No longer static.
10630 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
10631 (loop_givs_rescan, load_mems): Likewise.
10632 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
10633 (maybe_eliminate_biv_1):
10634 (move_movables): Replace emit_call_insn_before with
10635 loop_call_insn_hoist.
10636 * loop.h (loop_insn_emit_before): Add.
10637 * unroll.c (copy_loop_body): Replace emit_insn_before with
10638 loop_insn_emit_before.
10640 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
10642 * diagnostic.c (fatal): Request preprocessed source.
10644 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
10646 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
10647 olddecl has argument types and newdecl has none, use the argument
10648 types from olddecl.
10650 2001-01-24 Ulrich Drepper <drepper@redhat.com>
10652 * dwarf2out.c (prefix_of): New function. Determine longest common
10653 prefix of the two arguments. The units are whole path components.
10654 (output_file_names): When adding a new directory find the one entry
10655 with the longest common prefix already in the list. Artificially
10656 generate entry if there is none for this prefix.
10657 Fix test to check whether the zeroth directory entry is used.
10659 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
10661 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
10662 Changed all callers. Take it into account when deciding if a
10663 previously loaded value matches.
10665 2001-01-24 Richard Henderson <rth@redhat.com>
10667 * reload.c (find_reloads_subreg_address): Fail the substitution
10668 if the resulting address is insufficiently aligned.
10670 2001-01-24 DJ Delorie <dj@redhat.com>
10672 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
10673 check the original operand's mode also.
10674 * simplify-rtx.c (simplify_ternary_operation): Ditto.
10676 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10678 * c-parse.in (cast_expr): Move compound literals from here ...
10679 (primary): ... to here. Use standard terminology "compound
10680 literal" instead of "constructor expression".
10682 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10684 * gcc.1, cpp.1: Regenerate.
10686 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
10688 * calls.c (emit_library_call_value_1): Memory slot for
10689 pass-by-reference argument should have the mode of the argument,
10690 not of the pointer to it.
10692 2001-01-24 Tom Tromey <tromey@redhat.com>
10694 * gcc.texi (G++ and GCC): Mention gcj manual.
10695 (Standards): Link to section of manual mentioning gcj/Java
10698 2001-01-24 Jakub Jelinek <jakub@redhat.com>
10700 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
10701 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
10702 * tradcpp.c (main): Add -imacros or -include'd dependencies
10704 * cpp.texi (-M, -MM): Document -M -include behaviour.
10706 2001-01-24 Roger Collins <roger@ProProject.com>
10708 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
10710 2001-01-24 Will Cohen <wcohen@redhat.com>
10712 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
10713 whether registers are 32 bits or 64 bits in size.
10715 2001-01-24 Ben Elliston <bje@redhat.com>
10717 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
10719 2001-01-24 Richard Henderson <rth@redhat.com>
10721 * config/alpha/alpha.md (builtin_longjmp_internal): New.
10722 (builtin_longjmp): Use it instead of emit_indirect_jump.
10724 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
10726 * bb-reorder.c (make_reorder_chain_1): Handle case where
10727 jump edge goes to the same block as the fallthru edge.
10729 2001-01-23 Jim Wilson <wilson@redhat.com>
10731 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
10732 * frame.h (__ia64_personality_v1): Add prototype.
10733 * libgcc2.c (ia64_throw_helper): Change personality declaration to
10734 prototype form. Add void * cast to first argument to personality
10736 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
10737 (asctoe113): Likewise.
10738 * config/ia64/frame-ia64.c: Include eh-common.h.
10739 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
10741 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
10743 (itanium_split_issue): Add prototype.
10744 (gen_nop_type): Ifdef out.
10745 (find_best_packet): Initialize best_packet.
10746 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
10748 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
10749 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
10750 (flushrs): Add explicit stop bit at end.
10751 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
10754 2001-01-23 Chris Demetriou <cgd@broadcom.com>
10756 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
10758 * libgcc2.c (__terminate_func): Make variable static.
10759 (__terminate_set_func): New function to set __terminate_func.
10760 * libgcc2.h (__terminate_func_ptr): New typedef.
10761 (__terminate_set_func): New function.
10763 2001-01-23 Richard Henderson <rth@redhat.com>
10765 * flow.c (init_propagate_block_info): Don't consider unchanging
10766 memories for dead frame store elimination.
10768 2001-01-23 Richard Henderson <rth@redhat.com>
10770 * varasm.c (UNIQUE_SECTION): Move default implementation ...
10771 * defaults.h: ... here.
10773 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10775 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
10777 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
10779 * c-lex.c (lex_charconst): Fix typo: s/p/str.
10781 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10783 * rs6000.h (rs6000_return_addr): Move prototype from here...
10784 * rs6000-protos.h (rs6000_return_addr): ...to here.
10785 (rs6000_init_expanders): Delete prototype.
10787 2001-01-23 Nick Clifton <nickc@redhat.com>
10789 * invoke.texi: Replace , with \, inside @gccoptlist macros.
10790 (Spec Files): Document %B and %j and %. and %v3 and %M and
10791 %{S*&T} spec switches.
10793 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10795 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
10797 2001-01-23 Chris Demetriou <cgd@sibyte.com>
10798 Neil Booth <neil@daikokuya.demon.co.uk>
10800 * cpperror.c: Merge handlers of PEDWARN and WARNING.
10801 Have -Werror make pedantic warnings errors, like the
10804 2001-01-23 Phil Edwards <pme@sources.redhat.com>
10806 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
10808 2001-01-23 Jakub Jelinek <jakub@redhat.com>
10810 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
10811 * integrate.c (expand_inline_function): Initialize them.
10812 (subst_constants): If changing COMPARE so that both its arguments
10813 will be VOIDmode and the comparison mode will be lost, note
10814 compare_mode. Use the recorded compare_mode to optimize
10817 2001-01-23 Jason Merrill <jason@redhat.com>
10819 * dwarf2out.c (new_die): Use xcalloc.
10820 (output_die): Abort rather than emit a local reference to offset 0.
10822 2001-01-17 Andrew Haley <aph@redhat.com>
10824 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
10825 of a saved register; return NULL instead.
10826 (copy_reg): Take a pointer to a source register rather than a
10828 (next_stack_level): Remember the address in the stack frame of all
10830 Use the saved register pointer array as the source of the CFA.
10831 (throw_helper): Rewrite. Unwind once rather than twice and keep
10832 track of saved registers as we go.
10834 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10836 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
10837 * c4x.c (c4x_legitimize_reload_address): Remove.
10838 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
10839 reload address for ldp(k) insn.
10841 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
10843 * pa.md (return_internal): Add a USE of the PIC register to ensure
10844 it is restored after each call.
10845 (return expander): Corresponding changes.
10847 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10849 * rs6000.h (INIT_EXPANDERS): Delete.
10850 (RETURN_ADDR_RTX): Call rs6000_return_addr().
10851 * rs6000.c (rs6000_override_options): Call *_machine_status from
10853 (rs6000_init_expanders): ...instead of here. Delete.
10854 (rs6000_mark_machine_status): New function.
10855 (rs6000_init_machine_status): Use xcalloc.
10856 (rs6000_return_addr): Generate RTX for the return address.
10857 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
10858 (rs6000_stack_info): Use it.
10860 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
10862 * gthr-win32.h: Include errno.h to get a declaration for
10863 EINVAL and _mingw.h if the target is mingw32.
10865 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
10867 * cpp.texi: Correct typos.
10869 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10871 * explow.c (probe_stack_range): Ensure value passed to
10872 stack_check_libfunc is ptr_mode, not Pmode.
10874 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
10876 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
10877 case, don't use operand_subword to calculate a SUBREG that is
10880 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
10882 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10884 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
10885 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
10886 valid. If not replace it by equivalent insns.
10888 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10890 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
10891 contains SYMBOL_REF, LABEL_REF and CONST_INT.
10892 (c4x_U_constraint, symbolic_address_operand): Likewise.
10893 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
10895 (c4x_r11_set_p, c4x_check_laj_p): New functions.
10896 * c4x-protos.h (c4x_check_laj_p): Add prototype.
10897 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
10898 anulling slot because of silicon bug.
10899 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
10901 2001-01-22 Alan Modra <alan@linuxcare.com.au>
10903 * cppexp.c (parse_charconst): Change `mask' type to agree
10906 2001-01-21 Richard Henderson <rth@redhat.com>
10908 * config/i386/i386.c (ix86_asm_file_end): Disable putting
10909 pic_label_name in a linkonce section.
10911 2001-01-17 Philipp Thomas <pthomas@suse.de>
10913 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
10915 * configure: Regenerate.
10917 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
10919 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
10920 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
10922 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
10924 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
10925 If REVERSE nonzero then condition code in X must be reversed.
10926 (encode_section_info): Optimise if/else.
10927 (avr_function_value): Fix formatting.
10929 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
10930 (difficult_branch): Likewise.
10931 (rvbranch): Likewise.
10932 (difficult_rvbranch): Likewise.
10934 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
10936 * config/avr/libgcc.S: Fix comment.
10938 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10940 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
10942 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10944 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
10946 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10948 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
10949 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
10950 * configure, config.in: Regenerate.
10951 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
10952 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
10953 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
10954 (doprint.o): New rule.
10956 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
10958 * c-typeck.c (digest_init): Handle boolean types as scalars.
10960 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10962 * stmt.c (expand_return): Don't return anything if size is zero.
10963 Delete redundant assignment to BYTES.
10964 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
10966 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
10968 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
10969 the same as the default library function names.
10970 * config/avr/avr.md: Document special characters after '%'.
10971 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
10972 knowing which of the call-used registers are really clobbered.
10973 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
10974 New. Both quotient and remainder from one libgcc.S call.
10975 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
10976 clobber as few registers as possible.
10977 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
10979 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
10981 * cppmacro.c (funlike_invocation_p): Don't move back up to the
10982 context of the top of the stack.
10984 2001-01-20 Jakub Jelinek <jakub@redhat.com>
10986 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
10987 (fixup_var_refs_insns): ...here.
10989 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
10991 * function.c (fixup_var_refs_insns): Break up into
10992 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
10993 [loop over entire insn list], and fixup_var_refs_insns_with_hash
10994 [loop over hash table entries].
10995 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
10996 fixup_var_refs_insns_with_hash, to match above changes.
10998 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
11000 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
11001 (libgcc.a): Likewise.
11002 (stmp-multilib): Likewise.
11003 (STAGE2_FLAGS_TO_PASS): Likewise.
11005 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
11007 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
11008 temporary if no_new_pseudos.
11010 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
11012 * cppinternals.texi: Update.
11014 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
11016 * arm.c (arm_init_builtins): Re-enable builtins.
11018 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11020 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
11021 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
11022 element to be null, and always expect an EXPR_LIST.
11023 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
11024 * sched-deps.c (sched_analyze_1): Likewise.
11025 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11027 * regclass.c (max_set_parallel): New variable.
11028 (reg_scan): Take it into account in computation of max_parallel.
11029 (reg_scan_mark_refs, case SET): Compute it.
11031 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
11033 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
11034 * function.c (assign_parms): Use INTVAL for a CONST_INT.
11036 2001-01-19 Jason Merrill <jason@redhat.com>
11038 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
11039 for the abstract instance of an inline function.
11041 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
11042 J"orn Rennecke <amylaar@redhat.com>
11044 * reload1.c (move2add_note_store): Treat all registers directly or
11045 indirectly derived from a base register as members of the same set
11047 (reload_cse_move2add): Adjust accordingly. Take mode and offset
11048 of base register into account.
11050 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
11052 * alias.c (find_base_value): Recognize TRUNCATE.
11053 (record_set): In PLUS case, invalidate if other summand is also a
11056 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11058 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
11059 entry to be EXPR_LIST.
11060 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
11061 be an EXPR_LIST (but not null, which other code doesn't allow).
11062 (note_stores): Properly handle PARALLEL in SET.
11063 Recursively call for top-level PARALLEL.
11064 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
11065 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11067 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
11069 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
11071 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
11072 not pfile->skipping (== 0).
11074 2001-01-17 Nick Clifton <nickc@redhat.com>
11076 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
11079 2001-01-17 Jim Wilson <wilson@redhat.com>
11081 * invoke.texi (IA-64 options): Improve.
11083 2001-01-17 Tom Tromey <tromey@redhat.com>
11085 * invoke.texi (Optimize Options): Use `{}' to around @samp
11088 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
11090 * invoke.texi (-fno-guess-branch-probability): New option.
11092 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11094 * combine.c (try_combine): Don't set i3_subst_into_i2 for
11095 case of making new double-word constant.
11096 Revert last change: instead just test i3_subst_into_i2.
11098 2001-01-17 Jakub Jelinek <jakub@redhat.com>
11100 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
11101 Use q constraints instead of r.
11103 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
11105 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
11106 (machine_function): Define.
11107 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
11108 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
11109 pa_free_machine_status): New functions.
11110 (override_options): Set {init,mark,free}_machine_status to above.
11111 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11112 PIC_OFFSET_TABLE_REGNUM_SAVED.
11113 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11114 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
11115 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
11116 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
11117 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11119 2001-01-15 DJ Delorie <dj@redhat.com>
11121 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
11125 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11127 * flow.c (propagate_one_insn): Make trying to delete a prologue
11128 or epilogue insn an ICE, not a warning. Allow doing this if
11129 the current function returns with stack pointer depressed.
11131 * combine.c (try_combine): If i3_subst_into_i2, properly check for
11132 I3 having more than one SET.
11134 2001-01-16 Jim Wilson <wilson@redhat.com>
11136 * invoke.texi: Document IA-64 options.
11138 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
11139 (fixup_errata): Delete TARGET_A_STEP use.
11140 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
11141 (TARGET_SWITCHES): Delete -ma-step option.
11142 * config/ia64/ia64.md (all FP patterns): Delete %B0.
11143 (movqicc_astep, movqi_internal_astep, movhicc_astep,
11144 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
11145 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
11146 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
11147 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
11149 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
11150 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
11151 cmovsi_internal): Delete ! TARGET_A_STEP check.
11153 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11155 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
11156 possibility to report bugs via postal mail. Change a URL and
11157 merge in a nearly duplicate statement...
11158 (Bug Reporting): ...from here.
11159 (Service): Refer to the Bug Reporting section instead of
11160 duplicating an URL.
11161 (Contributing): Remove trivial explanations concerning snapshots.
11163 2001-01-16 Alan Modra <alan@linuxcare.com.au>
11165 * cppmain.c (general_init): Don't use ANSI prototype.
11167 2001-01-16 Tom Tromey <tromey@redhat.com>
11169 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
11171 2001-01-16 Richard Henderson <rth@redhat.com>
11173 * config/i386/i386.h: Fix comment typo.
11174 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
11175 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
11177 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11179 * gcc.c: Revert previous -fsyntax-only-related change; move
11182 2001-01-16 Jakub Jelinek <jakub@redhat.com>
11184 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
11185 inmode after checking GET_CODE (op).
11187 2001-01-16 Richard Henderson <rth@redhat.com>
11189 * flow.c (struct propagate_block_info): Add mem_set_list_len.
11190 (MAX_MEM_SET_LIST_LEN): New.
11191 (propagate_one_insn): Update mem_set_list_len.
11192 (invalidate_mems_from_autoinc): Likewise.
11193 (invalidate_mems_from_set): Likewise.
11194 (mark_used_regs): Likewise.
11195 (init_propagate_block_info): Likewise. Stop collecting memories
11196 when we reach MAX_MEM_SET_LIST_LEN.
11197 (mark_set_1): Likewise.
11199 2001-01-16 Richard Henderson <rth@redhat.com>
11201 * unroll.c (precondition_loop_p): Fail if no iteration
11204 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11206 * gcc.c: When -fsyntax-only is given, do not complain about
11209 2001-01-15 Richard Henderson <rth@redhat.com>
11211 * config/i386/i386.c (asm_output_function_prefix): Remove.
11212 (ix86_asm_file_end): New.
11213 (load_pic_register): Generate pic_label_name into a
11214 staticly allocated buffer.
11215 * config/i386/i386-protos.h: Update.
11216 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
11217 (ASM_FILE_END): New.
11218 * config/i386/i386afe.h: New file.
11219 * config.gcc (i?86-*-elf) [tm_file]: Use it.
11220 (i?86-*-{freebsd,linux*,moss*}): Likewise.
11221 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
11222 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
11223 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
11224 * config/i386/sco5.h (ASM_FILE_END): Likewise.
11225 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
11227 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
11229 * Makefile.in (install-man): Remove explicit dependency on
11232 * configure.in, configure: Revert previous patch requiring perl
11235 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
11237 * toplev.c (flag_guess_branch_prob): New.
11238 (f_options): Add guess-branch-probability option.
11239 (rest_of_decl_compilation): Only estimate branch probability if
11241 (main): set flag_guess_branch_prob.
11243 * flags.h (flag_guess_branch_prob): New.
11245 2001-01-15 DJ Delorie <dj@redhat.com>
11247 * gcc.texi (Makefile): Add documentation for Makefile targets.
11249 2001-01-15 Philip Blundell <philb@gnu.org>
11251 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
11253 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
11254 (is_pic): Delete declaration.
11255 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
11256 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
11257 * config/arm/arm.md (builtin_setjmp_receiver): New.
11259 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11261 * arm.c (use_return_insn): Don't try to determine the function type
11262 until after reload has completed.
11263 (arm_output_epilogue): Don't adjust the sp value recovered from the
11265 (emit_multi_reg_push): Don't record dwarf information for the pc.
11266 * arm.md (eh_epilogue): The function type may have changed, so it
11267 needs to be recalculated.
11268 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
11269 unwind tables on arm/netbsd.
11271 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11273 * arm.md (cbranchsi4): Correct calculation of branch ranges.
11274 (negated_cbranchsi4): Likewise.
11276 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11278 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
11279 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11280 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
11281 pass -mapcs-* options to assembler.
11282 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
11283 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11284 (ASM_SPEC): Call subtarget_extra_asm_spec.
11286 2001-01-15 Andreas Jaeger <aj@suse.de>
11288 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
11290 (ix86_expand_builtin): Likewise.
11292 * gencodes.c (output_predicate_decls): Make i size_t to avoid
11293 warning about comparison between signed and unsigned.
11295 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11297 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
11299 2001-01-14 Ralf Baechle <ralf@gnu.org>
11301 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
11302 SUBTARGET_CPP_SPEC apropriatly.
11304 2001-01-12 Mark Mitchell <mark@codesourcery.com>
11306 * varasm.c (make_decl_rtl): Fix typo in last change.
11308 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
11310 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
11311 linker supports the init_priority C++ attribute.
11312 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
11313 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
11314 linker does not support init_priority C++ attribute.
11316 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
11318 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
11320 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11322 * c-parse.in (finish_parse): Add comment about cpp_destroy.
11323 * cp/lex.c (finish_parse): Similarly.
11324 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
11325 Return the number of errors encountered.
11326 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
11327 * cppmain.c (main): Don't call cpp_destroy.
11329 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
11331 * configure.in: Require at least perl 5.6.0 to regenerate
11333 * configure: Regenerate.
11335 2001-01-14 Richard Henderson <rth@redhat.com>
11337 * genrecog.c (DT_veclen_ge): New.
11338 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
11339 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
11340 (nodes_identical_1): Handle DT_veclen_ge.
11341 (write_cond, debug_decision_2): Likewise.
11343 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11345 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
11347 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
11349 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11351 * cppmain.c (do_preprocessing): New function; most of the old
11353 (main): Call it to do most of the work.
11354 (cb): Move from global scope to set_callbacks ().
11355 (setup_callbacks): Get the callback pointer.
11356 (general_init, printer_init): Clean up code and comments.
11358 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11360 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
11363 2001-01-14 Kazu Hirata <kazu@hxi.com>
11365 * config/h8300/h8300.c (get_shift_alg): Update comments.
11367 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11369 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
11370 (alloc_page, ggc_alloc): Add casts to remove warnings.
11372 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11374 * combine.c (simplify_comparison): Don't change `code' when
11375 can't reverse comparison.
11377 2001-01-14 Richard Henderson <rth@redhat.com>
11379 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
11380 update all call sites. Return true for all non-label constants.
11382 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
11384 * i386.c (ix86_expand_compare): Add bypass_test and second_test
11386 (ix86_expand_branch): Update.
11387 (ix86_expand_setcc): Update to handle multiple test conditions.
11388 (expand_int_movcc): Likewise.
11389 (expand_fp_movcc): Likewise.
11390 * i386-protos.h (ix86_expand_compare): New.
11391 * i386.md (andqi_?_slp, orqi_?_slp): New.
11392 (conditional trap expander): Update call to ix86_expand_compare.
11394 2001-01-14 Richard Henderson <rth@redhat.com>
11396 * config/vax/vax.md: Use nonimmediate_operand instead of
11397 general_operand in destinations.
11399 * config/vax/vax.md (indirect_jump): Use register_operand.
11401 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
11402 * config/vax/vax.md (call_pop): Turn into an expander.
11403 (call_value_pop): Likewise.
11404 (call, call_value): New.
11406 2001-01-14 Andreas Jaeger <aj@suse.de>
11408 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
11410 (ix86_fp_compare_mode): Add unused attribute.
11411 (ix86_expand_fp_movcc): Remove unused variable.
11412 (ix86_expand_builtin): Make fcode unsigned.
11414 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
11415 (expand_expr): Add cast to avoid signed warning.
11416 (store_field): Likewise.
11417 (store_constructor_field): Likewise.
11418 (store_constructor): Likewise.
11419 (store_expr): Likewise.
11420 (clear_storage): Likewise.
11421 (emit_group_store): Likewise.
11422 (emit_group_load): Likewise.
11424 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11426 * c-common.c: Move format checking code to ...
11427 * c-format.c: ... here. New file. Reorder some functions and
11429 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
11431 * c-common.h (decl_handle_format_attribute,
11432 decl_handle_format_arg_attribute): Declare.
11433 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
11434 (c-common.o): Adjust dependencies.
11435 (c-format.o): New list of dependencies.
11437 2001-01-13 Jakub Jelinek <jakub@redhat.com>
11439 * unroll.c (loop_iterations): If we cannot prove iteration variable
11440 is set once in each iteration, punt.
11442 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
11444 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
11445 (*strlenhi): Remove clobber (which was buggy) of output address.
11447 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11449 * Makefile.in (generated-manpages): Add gcc.1
11450 ($(srcdir)/gcc.1): New target.
11451 (maintainer-clean): Delete $(srcdir)/gcc.1.
11452 * gcc.texi: Add macros @gccoptlist and @gol.
11453 * invoke.texi: Include option summary in manpage. Mark up option
11454 summary with @gccoptlist and @gol. Use @r in one place where
11456 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
11457 * gcc.1: Generate from invoke.texi.
11459 2001-01-13 Richard Henderson <rth@redhat.com>
11461 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
11462 (struct page_entry): Add group member.
11463 (struct page_group): New.
11464 (struct globals): Add page_groups member.
11465 (alloc_anon): Only define for using mmap; remove valloc call.
11466 (page_group_index): New.
11467 (set_page_group_in_use): New.
11468 (clear_page_group_in_use): New.
11469 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
11470 (free_page, release_pages): Likewise.
11471 * configure.in (with-gc): Default to ggc-page always.
11473 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11475 * reload1.c (replace_pseudos_in_call_usage): Use
11476 reg_equiv_constant and reg_equiv_address, and don't try
11477 regno_reg_rtx first.
11479 2001-01-13 Richard Henderson <rth@redhat.com>
11481 * ggc-page.c (alloc_page): Round up allocation size to one page.
11482 Set e->order on extra pages.
11484 2001-01-13 Richard Henderson <rth@redhat.com>
11486 * genrecog.c (nodes_identical): Expand commentary.
11487 (write_switch): Watch out for identical nodes.
11489 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11491 * cppfiles.c (_cpp_fake_include): New function.
11492 * cpphash.h (_cpp_fake_include): New.
11493 * cpplib.c (do_line): Call _cpp_fake_include when entering
11494 header files in preprocessed input.
11495 * cppmain.c (cb_pragma_implementation): Remove handling.
11496 (setup_callbacks): Don't register pragmas.
11498 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11500 * extend.texi: Udate for CPP.
11502 2001-01-13 Andreas Jaeger <aj@suse.de>
11504 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
11506 * regmove.c: Add prototype for replace_in_call_usage.
11508 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11510 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
11511 struct cpp_chunk, struct htab, struct toklist,
11512 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
11513 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
11514 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
11515 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
11516 (struct macro_args): Delete.
11517 * cpphash.h: See above.
11519 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11521 * cppmain.c (struct printer): Remove no_line_dirs.
11522 (options, cb): New.
11523 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
11524 : Use options rather than CPP_OPTION.
11525 (setup_callbacks): Use cb rather than pfile->cb.
11526 (main): No need to check for a buffer. Use cpp_errors.
11527 (printer_init): Don't set no_line_dirs.
11528 (maybe_print_line): Use options not no_line_dirs.
11529 (cb_file_change): Don't call print_line if -P.
11531 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11533 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
11535 * c-parse.in (finish_parse): Use cpp_errors.
11536 (__yylex): Use return value of cpp_pop_buffer.
11537 * cp/lex.c (finish_parse): Use cpp_errors.
11538 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
11540 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
11542 * README.AVR: URLs corrected.
11544 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11546 * c-decl.c (start_function): Don't warn if old prototype is builtin
11547 that's not in C's namespace.
11548 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
11549 (_bb): Add prototype for ctime.
11550 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
11552 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
11554 * i386.c (ix86_fp_comparison_arithmetics_cost,
11555 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
11556 ix86_fp_comparison_cost): New functions.
11557 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
11558 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
11559 two-branch sequences; make static.
11560 (ix86_use_fcomi_compare): Do decision according to the costs.
11561 (split_fp_branch): New.
11562 * i386.md (compare-and-branch patterns): Use split_fp_branch.
11563 * i386-protos.h (ix86_expand_fp_compare): Remove
11564 (ix86_split_fp_branch): Declare.
11566 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
11567 and ix86_comparison_operator.
11569 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
11570 to make it cheaper.
11572 * i386.c (put_condition_code): Output properly the unordered/ordered
11573 compares in fp case.
11574 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
11576 * tm.texi (REVERSE_CONDITION): Document.
11577 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
11578 in -ffast-math mode.
11579 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
11581 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11583 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
11585 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
11588 * config/sh/sh.c (mova_p): Fix test for mova_const.
11590 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11592 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
11593 cpp_get_options rather than dereferencing pfile and using
11595 * scan-decls.c (scan_decls): Use return value of
11596 cpp_pop_buffer rather than CPP_BUFFER.
11598 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11600 * cppinit.c (cpp_handle_option): help_only is now part of the
11601 cpp_options structure.
11602 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
11603 cpp_set_callbacks): New functions.
11604 * cpplib.h (cpp_callbacks): Break out as a named structure.
11605 (cpp_options): Move help_only here from cpp_reader.
11606 (CPP_FATAL_ERRORS): Update to use cpp_errors.
11607 (cpp_errors, cpp_get_options, cpp_get_callbacks,
11608 cpp_set_callbacks): New prototypes.
11609 * cppmain.c (main): Update for help_only.
11611 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11613 * Makefile.in (info, maintainer-clean, install-info, uninstall):
11614 Also build and remove and install and uninstall c-tree.info and
11616 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
11617 ($(srcdir)/cppinternals.info): New target.
11618 * c-tree.texi: Change file name used when makeinfo used without -o
11619 from ir.info to c-tree.info. Add info directory entry.
11620 * cppinternals.texi: Add info directory entry.
11621 * .cvsignore: Update.
11623 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11625 * c-typeck.c (store_init_value): Don't require constant initializer
11626 elements with -pedantic -std=c99.
11627 (digest_init): Change error about non-constant initializer elements
11629 (constructor_range_end): Remove.
11630 (constructor_incremental, designator_depth,
11631 designator_errorneous): New variables.
11632 (struct constructor_stack): Remove range_end, add incremental.
11633 (struct constructor_range_stack, constructor_range_stack): New.
11634 (struct initializer_stack): Add constructor_range_stack.
11635 (finish_init): Set it.
11636 (start_init): Likewise. require_constant_elements for non-static
11637 trees only if not flag_isoc99.
11638 (really_start_incremental_init): Remove constructor_range_end, add
11639 constructor_incremental.
11640 (pop_init_level): Likewise.
11641 (push_init_level): Likewise. If implicit and the subobject had some
11642 value set already, preinitialize the level with it.
11643 Warn about missing braces only if not pushing due to designators.
11644 (set_designator, push_range_stack): New functions.
11645 (set_init_label): Use them.
11646 (set_init_index): Likewise. Remove constructor_range_end.
11647 Error if designator index is outside of array bounds.
11648 (add_pending_init): Compare values of purpose index trees, not the
11649 trees themselves. Allow overwriting of already initialized element.
11650 Issue a warning if it had side-effects.
11651 (set_nonincremental_init, set_nonincremental_init_from_string): New
11653 (pending_init_member): Rename to...
11654 (find_init_member): ...this function. Call set_nonincremental_init
11655 if necessary. Compare values of purpose index trees, not the trees
11656 themselves. Return the actual value, not just non-zero if something
11658 (output_init_element): Remove checks for duplicates.
11659 If field has zero size, only check the initializer for correctness.
11660 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
11661 if constructor_incremental is zero. Change error about initializers
11662 not computable at load time into pedwarn.
11663 (output_pending_init_elements): Compare bit positions, not
11664 FIELD_DECLs to take into account zero-sized fields.
11665 (process_init_element): Use constructor_range_stack to fill all
11666 ranges in the designator lists from current level up.
11667 * extend.texi: Update documentation for labeled elements.
11669 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
11671 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
11672 to function usage for arguments passed by reference. Optimize
11673 callee-copied arguments.
11674 * regmove.c (replace_in_call_usage): New function.
11675 (fixup_match_1): Call it.
11676 * cse.c (cse_insn): Canonicalize registers in function usage.
11677 * reload1.c (replace_pseudos_in_call_usage): New function.
11680 * Makefile.in: Reverted yesterday's wrong patch. Installed the
11683 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11685 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
11688 2001-01-12 DJ Delorie <dj@redhat.com>
11690 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
11691 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
11694 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11696 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
11697 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
11698 -std options alongside references to -ansi. Update some
11699 documentation for C99.
11700 * cpp.1: Regenerate.
11702 2001-01-12 Andreas Jaeger <aj@suse.de>
11704 * haifa-sched.c (restore_line_notes): Remove argument block B
11706 * sched-ebb.c (schedule_ebb): Change caller.
11707 * sched-rgn.c (schedule_region): Likewise.
11708 * sched-int.h (restore_line_notes): Adjust prototype.
11710 * loop.h: Remove wrong declaration of doloop_condition_get.
11712 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11714 * extend.texi: Move C++-extension-related node from the C section
11715 into the C++ section.
11717 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11719 * extend.texi: Refer to an array of pointers to functions instead
11720 of one of functions.
11722 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
11723 Jan Hubicka <jh@suse.cz>
11725 * combine.c (reversed_comparison): Fix typo in last patch.
11727 (combine_reversed_comparison_code): Make static to follow
11728 prototype declaration.
11730 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11732 * install.texi: Remove misplaced duplicate entry.
11734 2001-01-11 Ulrich Drepper <drepper@redhat.com>
11736 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
11738 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
11740 * final.c: (leaf_function_p): Fix typo.
11742 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
11744 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
11745 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
11747 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
11748 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
11749 mmap_anon, and valloc is available.
11750 * ggc-page.c: Restructure ifdef logic to match new autoconf
11751 spec. Don't throw away the test page in init_ggc.
11753 * configure, config.in: Regenerate.
11755 2001-01-12 Michael Hayes <mhayes@redhat.com>
11757 * loop.h (total_biv_increment): Constify iv_class pointer.
11758 (struct induction): Replace `mem_mode' with `mem' rtx.
11759 * unroll.c (total_biv_increment): Constify iv_class pointer.
11760 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
11761 (find_mem_givs, combine_givs_p): Likewise.
11762 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
11764 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
11766 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
11768 (__gthread_getspecific): Ditto.
11770 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
11772 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
11773 put_condition_code): Convert fp comparison codes to integer
11775 (ix86_expand_fp_compare): Postnote the fp comparison code converison
11778 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
11779 * i386-protos.h (no_comparison_operator): Kill.
11781 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
11783 * combine.c (REVERSIBLE_CC_MODE): Remove.
11784 (reversible_comparison_p): Remove.
11785 (combine_reversed_comparison_code): New.
11786 (reversed_comparison): New.
11787 (combine_simplify_rtx): Use
11788 combine_reversed_comparison_code/reversed_comparison instead
11789 of reversible_comparison_p.
11790 (simplify_if_then_else): Likewise.
11791 (simplify_set): Likewise.
11792 (simplify_logical): Likewise.
11793 (if_then_else_cond): Likewise.
11794 (known_cond): Likewise.
11795 (simplify_comparison): Likewise.
11797 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
11799 * builtins.c (std_expand_builtin_va_start): Handle varargs when
11800 sizeof (int) is larger than sizeof(__word__).
11802 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11804 * cppinit.c (do_includes): Fix typo.
11806 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11808 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
11809 in S_REGS does not occur because not all sources are possible
11810 when a S_REGS is a destination (sometimes needs a clobber).
11811 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
11812 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
11813 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
11814 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
11815 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
11816 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
11817 (lshrdi_const1, lshrsi3_const16): Likewise.
11818 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
11819 (*movhi_68hc12, *movqi_68hc12): Likewise.
11820 (movstrictqi): Make sure reloading in D_REGS as a destination
11823 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11825 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11827 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11829 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
11830 -D, -U and -A, and don't initialize the builtins.
11831 (do_includes): Error if -include or -imacros with -fpreprocessed.
11832 * cppmain.c (cb_define, cb_undef): Unconditionally process
11834 * tradcpp.c (main): Fix typo.
11836 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
11838 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
11839 (read_name_map): Use IS_ABSOLUTE_PATH.
11840 * tradcpp.c (get_filename): Likewise.
11842 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11844 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
11845 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
11846 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
11847 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
11848 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
11849 (cmphi_z_used): Don't use '@' for the output.
11850 (tstqi_z_used): Likewise.
11851 (cmpqi_z_used): Likewise.
11852 (one_cmplsi2): Likewise.
11854 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11856 * config/sh/sh.c (barrier_align): Recognize branch around far
11857 branch and redundant insn.
11859 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11861 * invoke.texi: Restore documentation of the drivers' switches -MD
11864 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11866 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
11868 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
11869 check-objc//%): Support parallel testing of multilibs.
11870 (TESTSUITEDIR): Set to testsuite by default, but override for
11872 (check-gcc, check-g++, check-g77, check-objc): Enter
11875 2001-01-11 Bernd Schmidt <bernds@redhat.com>
11877 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
11878 * sched-deps.c (deps_may_trap_p): Likewise.
11879 * basic-block.h: Remove a comment.
11880 * flow.c (PROP_POSTRELOAD): Remove.
11881 (update_life_info): Don't add it to prop_flags.
11882 (mark_set_1): Lose the code that was enabled by it.
11884 2001-01-11 Michael Hayes <mhayes@redhat.com>
11886 * flow.c (flow_call_edges_add): New.
11887 * basic_block.h (flow_call_edges_add): New.
11889 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
11891 * reload1.c (move2add_note_store): Update reg_set_luid even if
11892 base reg remains the same.
11894 2001-01-10 Nick Clifton <nickc@redhat.com>
11896 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
11897 machine_function structure to zero.
11898 Add prototypes for machine_status functions.
11900 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11902 * c-common.h (CTI_VOID_LIST): Remove.
11903 (void_list_node): Likewise.
11904 * tree.h (TI_VOID_LIST_NODE): New enumeral.
11905 (void_list_node): New macro.
11906 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
11907 * config/i386/i386.c (ix86_init_builtins): Likewise.
11908 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
11910 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11912 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
11913 * cppinit.c (cpp_start_read): Update comment, remove unneeded
11915 * tradcpp.c: Include mkdeps.h.
11916 (deps, print_deps_phony_targets, deps_append, output_deps,
11917 init_dependency_output, output_deps): New.
11918 (deps_buffer, deps_allocated_size, deps_size, deps_column,
11919 deps_output): Delete.
11920 (print_deps_missing_files): Rename deps_missing_files.
11921 (inhibit_output): Make global.
11922 (main): Delete inhibit_output, deps_stream, deps_target.
11923 Use mkdeps functionality in the same way as cpplib. Remove
11924 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
11925 -M and -MM. Remove old handling of deps via deps_out, and
11926 old reading of environment variables.
11927 (get_filename): Update to use deps_add_dep.
11929 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11931 * output.h (make_function_rtl): Remove prototype.
11932 (make_decl_rtl): Likewise.
11933 * varasm.c (make_function_rtl): Remove.
11934 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
11935 than from a third parameter.
11936 * tree.h (make_decl_rtl): Remove last parameter.
11937 * c-decl.c (builtin_function): Remove last argument in call to
11938 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
11939 (start_function): Likewise.
11940 * except.c (call_get_eh_context): Likewise.
11941 * expr.c (emit_block_move): Likewise.
11942 (clear_storage): Likewise.
11943 * profile.c (output_func_start_profiler): Likewise.
11944 * toplev.c (rest_of_decl_compilation): Likewise.
11945 * objc/objc-act.c (create_builtin_decl): Likewise.
11946 (synth_module_prologue): Likewise.
11947 (generate_static_reference): Likewise.
11948 (build_selector_reference_decl): Likewise.
11949 (build_class_reference_decl): Likewise.
11950 (build_objc_string_decl): Likewise.
11951 (build_protocol_reference): Likewise.
11953 2001-01-10 Richard Henderson <rth@redhat.com>
11955 * hwint.h: Revert yesterday's change.
11957 2001-01-10 Nick Clifton <nickc@redhat.com>
11959 * function.h (save_machine_status): Delete.
11960 (restore_machine_status): Delete.
11961 Amend comment describing {init|mark|free}_machine_status.
11963 * function.c (save_machine_status): Delete.
11964 (restore_machine_status): Delete.
11965 Amend comment describing {init|mark|free}_machine_status.
11966 (push_function_context_to): Remove invocation of
11967 save_machine_status.
11968 (pop_function_context_from): Remove invocation of
11969 restore_machine_status.
11971 * emit-rtl.c (init_emit_once): Amend comment describing
11972 {init|mark|free}_machine_status.
11974 * tm.texi (Per-Function Data): New node. Describe the
11975 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
11978 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11980 * cppinit.c (OPT_g): Remove.
11981 (cpp_handle_option): Update for removed -g3.
11982 (print_help): Update.
11983 * cpplib.h (struct cpp_options): Remove debug_output.
11984 * cppmain.c (setup_callbacks, cb_define): Update.
11985 * gcc.c (cpp_options): Translate -g3 to -dD.
11987 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
11989 * config/i960/i960.md: Change modifier to + on the zero_extract
11990 pattern after the (rotate -2 reg) canonicalization pattern.
11992 2001-01-10 Richard Henderson <rth@redhat.com>
11994 * config/alpha/alpha.c (alpha_free_machine_status): New.
11995 (override_options): Install it.
11996 (alpha_mark_machine_status): Verify machine non-null.
11997 * config/i386/i386.c (ix86_free_machine_status): New.
11998 (override_options): Install it.
11999 (ix86_init_machine_status): Use xcalloc.
12000 (ix86_mark_machine_status): Verify machine non-null.
12001 * config/ia64/ia64.c (ia64_free_machine_status): New.
12002 (ia64_override_options): Install it.
12003 (ia64_mark_machine_status): Verify machine non-null.
12005 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
12007 * function.c (instantiate_virtual_regs): Instantiate virtual
12008 registers found in CALL_INSN_FUNCTION_USAGE.
12010 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12012 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
12013 equivalent to -ansi in disabling -Di386.
12015 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
12017 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
12019 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
12021 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
12023 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
12025 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12027 * invoke.texi: Document that -fcond-mismatch isn't supported for
12030 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12032 * gcc.texi: Define macro gcctabopt.
12033 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
12034 @command, @env and @option in some places where appropriate. Use
12035 @gcctabopt where appropriate. Put URLs and email addresses inside
12038 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
12040 * gcc.c (cpp_options): Set MD file name from output
12041 filename, if specified.
12042 (suffix_subst): New static variable.
12043 (do_spec): Clear it.
12044 (do_spec_1, case '.'): Handle new `%.suffix' spec.
12046 (give_switch): Handle suffix_subst.
12048 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12050 * invoke.texi: Fix another typo.
12052 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12054 * invoke.texi: Fix typo.
12056 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12058 * c-lang.c (lang_hooks): Update.
12059 (lang_decode_option): Remove.
12060 (lang_init_options): Rename c_init_options.
12061 * toplev.c (main): Use lang_hooks for lang_init_options
12062 and lang_decode_option.
12063 * toplev.h (lang_hooks): Add 2 new hooks.
12064 * tree.h: Remove lang_init_options and lang_decode_option.
12065 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
12066 * cp/decl2.c: Similarly.
12067 * cp/lex.c (lang_init_options): Rename cxx_init_options.
12068 (lang_hooks): Update.
12069 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
12071 (lang_init_options): Rename ffe_init_options.
12072 (lang_hooks): Update.
12073 (lang_decode_option): Remove.
12074 * java/lang.c (lang_init_options): Rename java_init_options.
12075 (lang_decode_option): Rename java_decode_option.
12076 (lang_hooks): Update.
12077 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
12078 (lang_decode_option): Rename objc_decode_option.
12079 (lang_hooks): Update.
12081 2001-01-09 Nick Clifton <nickc@redhat.com>
12083 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
12084 (d30v_return_addr_rtx): Delete.
12085 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
12086 cfun->machine structure.
12087 (struct machine_function): Move to d30v.h
12088 (d30v_save_machine_status): Delete.
12089 (d30v_restore_machine_status): Delete.
12090 (d30v_init_machine_status): New Function.
12091 (d30v_mark_machine_status): New Function.
12092 (d30v_free_machine_status): New Function.
12093 (d30v_init_expanders): Use new functions.
12094 (d30v_return_addr): Use ra_rtx field in cfun->machine.
12095 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
12096 d30v_return_addr_rtx.
12098 * config/d30v/d30v.h (struct_machine): Move here.
12099 Add eh_epilogue_sp_ofs field.
12101 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
12102 field in cfun->machine structure.
12104 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
12106 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
12107 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
12108 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12110 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
12112 * objc/lang-options.h: Remove bogus reference to
12115 2001-01-09 Kazu Hirata <kazu@hxi.com>
12117 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
12120 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
12122 * reload.c (find_reloads_address): Check for eliminable registers
12123 when substituting a constant expression for a pseudo.
12125 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
12127 * c-common.c (enum format_type): Add format_type_error.
12128 (decode_format_type): New function.
12129 (decl_attributes): Use it.
12130 (format_kind_info): Adjust comment.
12132 2001-01-09 David O'Brien <obrien@BSDi.com>
12134 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
12135 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
12137 * config/i386/gnu.h: Don't include required platform specific .h files,
12138 tm.h will do it instead.
12139 * config/i386/i386elf.h: Likewise.
12140 * config/i386/linux.h: Likewise.
12141 * config/i386/moss.h: Likewise.
12142 * config/mips/gnu.h: Likewise.
12144 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12146 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
12147 (rs6000-ibm-aix3.[01]*): Likewise.
12148 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
12149 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
12150 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
12151 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
12152 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
12153 (powerpc-*-eabiaix*): Likewise.
12154 (powerpc-*-eabisim*): Likewise.
12155 (powerpc-*-elf*): Likewise.
12156 (powerpc-*-eabi*): Likewise.
12157 (powerpc-*-rtems*): Likewise.
12158 (powerpc-*-linux*libc1): Likewise.
12159 (powerpc-*-linux*): Likewise.
12160 (powerpc-wrs-vxworks*): Likewise.
12161 (powerpcle-wrs-vxworks*): Likewise.
12162 (powerpcle-*-sysv*): Likewise.
12163 (powerpcle-*-elf*): Likewise.
12164 (powerpcle-*-eabisim*): Likewise.
12165 (powerpcle-*-eabi*): Likewise.
12166 (powerpcle-*-solaris2*): Likewise.
12167 * config/rs6000/aix31.h: Delete includes.
12168 * config/rs6000/aix3newas.h: Likewise.
12169 * config/rs6000/aix41.h: Likewise.
12170 * config/rs6000/aix43.h: Likewise.
12171 * config/rs6000/beos.h: Likewise.
12172 * config/rs6000/rtems.h: Likewise.
12173 * config/rs6000/sysv4.h: Likewise.
12175 2001-01-09 Kazu Hirata <kazu@hxi.com>
12177 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
12178 Change an argument mode of machine_mode to shift_mode of
12179 shift_mode. Remove an extra error check.
12180 (emit_a_shift): Adopt to the new calling prototype of
12182 (function_prologue): Fix code for a monitor
12183 function. Support H8/S.
12184 (function_epilogue): Do not output pop for a monitor function.
12186 2001-01-09 Nick Clifton <nickc@redhat.com>
12188 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
12189 (setup_incoming_varargs): Use sysv_varargs_p field of the
12190 cfun->machine structure.
12191 (struct machine_function): Move to rs6000.h
12192 (rs6000_save_machine_status): Delete.
12193 (rs6000_restore_machine_status): Delete.
12194 (rs6000_init_machine_status): New Function.
12195 (rs6000_free_machine_status): New Function.
12196 (rs6000_init_expanders): Use new functions.
12198 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
12200 (struct machine_function): Move here.
12202 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
12203 sysv_varargs_p field of the cfun->machine structure.
12205 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
12207 (rs6000_restore_machine_status): Remove prototype.
12209 2001-01-09 Richard Henderson <rth@redhat.com>
12211 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
12212 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
12213 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
12214 (sched_analyze_2, sched_analyze_insn): Likewise.
12215 (sched_analyze, init_deps): Likewise.
12216 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
12217 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
12218 (compute_block_backward_dependences): Update propagate_deps call.
12220 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
12222 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
12224 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12226 * cppinit.c (OPT_MD, OPT_MMD): Restore.
12227 (cpp_handle_option): Handle them.
12228 (cpp_post_options): Ensure one of -M or -MM is specified with
12229 any other -M? option.
12230 (init_dependency_output): Suppress output with -MG.
12232 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12234 * cpp.texi: Update.
12235 * invoke.texi: Update.
12237 2001-01-09 Bernd Schmidt <bernds@redhat.com>
12239 * sh.md (reload_outsf): Generate recognizable patterns for
12242 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12244 * c-lang.c (lang_hooks): Update.
12245 (lang_init): Rename c_init.
12246 (lang_finish): Remove.
12247 * toplev.c (compile_file): Use lang_hooks for lang_init ()
12248 and lang_finish ().
12249 * toplev.h (lang_hooks): Add init () and finish ().
12250 * tree.h (lang_init, lang_finish): Remove.
12251 * cp/tree.h (lang_init, lang_finish): Remove.
12252 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
12253 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
12255 (lang_init, lang_finish): Remove.
12256 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
12257 (lang_hooks): Update.
12258 * java/lang.c (lang_init): Rename java_init.
12259 (lang_finish): Remove.
12260 (lang_hooks): Update.
12261 * objc/objc-act.c (lang_init): Rename objc_init.
12262 (lang_finish): Remove.
12263 (lang_hoooks): Update.
12265 20001-01-09 Graham Stott <grahams@redhat.com>
12267 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
12268 after `ptr` is initialised.
12270 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12272 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
12273 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
12274 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
12275 stack adjusts, instead of r3.
12277 2001-01-09 Michael Hayes <mhayes@redhat.com>
12279 * flow.c (flow_loop_scan): Break out of ...
12280 (flow_loops_find) ... here.
12281 * basic-block.h (flow_loop_scan): New.
12282 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
12283 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
12285 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12287 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
12289 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
12290 realloc()ing macro_buffer.
12292 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
12293 if it's wider than long and the target's long is wider than the
12296 2001-01-09 Mark Mitchell <mark@codesourcery.com>
12298 Remove support for using UWIN as a host machine.
12299 * configure.in: Issue an error message.
12300 * configure: Regenerated.
12301 * config.gcc: Remove xm_* UWIN configury.
12302 * config/i386/xm-uwin.h: Remove.
12304 2001-01-08 Nick Clifton <nickc@redhat.com>
12306 * config/v850/v850.c (ra_rtx): Delete.
12307 (v850_save_machine_status): Delete.
12308 (v850_restore_machine_status): Delete.
12309 (v850_init_machine_status): New function.
12310 (v850_mark_machine_status): New function.
12311 (v850_free_machine_status): New function.
12312 (v850_return_addr): Use ra_rtx field in machine structure.
12313 (v850_init_expanders): Use new functions.
12315 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
12316 * config/v850/v850.c: Change arguments to v850_output+* functions
12317 to take a const char *, to avoid compile time warning.
12318 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
12319 (USER_LABEL_PREFIX): Redefine.
12321 2000-01-08 Jim Wilson <wilson@redhat.com>
12323 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
12324 1 to unsigned HOST_WIDE_INT before left shift.
12326 2001-01-08 Nick Clifton <nickc@redhat.com>
12328 * config/arm/arm.c (arm_mark_machine_status): Check to see if
12329 the machine structure has been allocated.
12330 (arm_free_machine_status): New function: Free the machine
12331 specific function structure.
12333 2001-01-08 Richard Henderson <rth@redhat.com>
12335 * jump.c (simplejump_p): Revert last change.
12337 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
12339 * cppinit.c (init): Rename init_library.
12340 (cpp_create_reader): Update.
12341 * gcc.c (cpp_options): If -o given, use it as the target of
12344 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12346 * arm.c (arm_arch5e): New variable.
12347 (all_cores): XScale is a 5TE device.
12348 (arm_override_options): Set arm_arch5e.
12349 (arm_init_builtins): __builtin_prefetch is in arch5e.
12350 * arm.h (arm_arch5e): Declare it.
12352 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
12354 * arm.md (define_constants): Add defines for UNSPEC and
12355 UNSPEC_VOLATILE insns. Update all users.
12356 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
12357 * arm.c (multi_register_push, note_invalid_constants)
12358 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
12359 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
12360 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
12362 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
12364 * jump.c (jump_optimize_1): Use reversed_comparison_code
12365 instead of can_reverse_comparison_p.
12366 (jump_back_p): Likewise.
12367 (invert_exp_1): Likewise.
12368 (thread_jumps): Likewise.
12369 * simplify-rtx.c (simplify_unary_operation): Likewise.
12370 (simplify_ternary_operation): Likewise.
12371 * cse.c (find_comparison_args): Convert to use
12372 can_reverse_comparison_p.
12373 (record_jump_equiv): Likewise.
12375 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12377 * arm.h (HARD_REGNO_RENAME_OK): Delete.
12378 (EPILOGUE_USES): Define.
12379 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
12380 automatically stack the LR if it isn't live.
12382 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
12384 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
12387 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
12389 * ggc-page.c (max_alignment): New structure.
12390 (MAX_ALIGNMENT): New macro.
12391 (init_ggc): Use it to round up the sizes in the
12392 extra_order_size_table.
12394 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12396 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
12399 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12401 * builtins.def (BUILT_IN_FPRINTF): New entry.
12403 * c-common.c (c_expand_builtin_fprintf): New function.
12404 (init_function_format_info): Handle __builtin_fprintf.
12405 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
12406 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
12408 * c-decl.c (duplicate_decls): Adjust comment.
12410 * extend.texi (fprintf): Document new builtin.
12412 2001-01-07 Richard Henderson <rth@redhat.com>
12414 * jump.c (simplejump_p): Recognize any single_set jump
12415 of the proper form.
12417 2001-01-07 Richard Henderson <rth@redhat.com>
12419 * configure.in (slibdir): Accept an --with-slibdir option.
12420 Use "test" not "[" in configure. Default to $(libdir).
12422 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
12424 * config/t-aix43 (SHLIB_INSTALL): Likewise.
12425 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
12426 (SHLIB_LINK): Create links for the soname.
12427 * config/mips/t-iris6: Likewise.
12428 * config/sparc/t-slibgcc: Likewise.
12429 * config/sparc/t-slibgcc-sld: Likewise.
12431 2001-01-07 Jakub Jelinek <jakub@redhat.com>
12433 * config/i386/i386.c (constant_call_address_operand): Accept
12434 (const (plus (symbol_ref) (const_int))).
12435 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
12436 constant_call_address_operand.
12438 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12440 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
12441 and LONG_LONG_TYPE_SIZE > 32.
12443 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12445 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
12446 the previous change.
12448 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
12450 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
12452 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
12453 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
12454 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
12457 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12459 * fix-header.c (read_scan_file): s/pfile/scan_in/.
12461 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12463 * c-lang.c (c_post_options): Call cpp_post_options.
12464 * objc/objc-act.c (objc_post_options): Similarly.
12465 * cppmain.c (main): Similarly.
12466 * fix-header.c (read_scan_file): Similarly.
12467 * cppinit.c (cpp_start_read): Move option consistency checks
12468 to cpp_post_options. Don't call init_dependency_output.
12469 If needed, add default target and main file dependency.
12470 (OPT_MD, OPT_MMD): Remove.
12472 (cpp_handle_option): Update for OPT_* changes.
12473 (cpp_post_options): New.
12474 (init_dependency_output): Command line -MF overrides environment
12475 variables. Don't set default target etc. Suppress output
12476 if dependencies are going to stdout.
12477 (print_help): Update.
12478 * cpplib.h (cpp_post_options): New.
12479 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
12481 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
12483 * jump.c (comparison_dominates_p): Support unordered compares.
12485 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
12487 * simplify-rtx.c (simplify_relational_operation): Always simplify
12488 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
12491 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
12493 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
12494 (nonzero_bits): Likewise.
12495 (simplify_comparison): Likewise.
12496 (num_sign_bit_copies): Likewise; return more sane value depending
12497 on STORE_FLAG_VALUE.
12498 (known_cond): Do not assume EQ to be always true for equivalent
12501 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
12503 * cse.c (fold_rtx): Handle unordered comparisons.
12505 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
12507 * rtlanal.c (set_of_1): New static function.
12508 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
12509 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
12510 reg_set_last_last_regno): Remove.
12511 (set_of): New global function.
12512 (set_of_data): New structure.
12513 (reg_set_p, reg_set_last): Revamp for set_of.
12514 * rtl.h (set_of): New.
12516 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
12518 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
12519 * extend.texi: Document _Exit builtin.
12521 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12523 * (initialize, initialize_builtins,
12524 initialize_dependency_output, initialize_standard_includes):
12525 Rename s/initialize/init. Update.
12526 (init_dependency_output): Move to after
12527 cpp_handle_options, the correct location temporally at least.
12528 (opt_comp): Move next to init (), its caller. Fix prototype.
12529 (init): Make "initialized" local scope.
12530 (cpp_create_reader): Always call init ().
12531 (cpp_start_read): Update.
12532 (output_deps): New function, broken out of cpp_finish.
12533 (cpp_finish): Break out output_deps.
12535 2001-01-07 Richard Henderson <rth@redhat.com>
12537 * collect2.c (COFF specific stuff): Revert 12-06 patch
12538 to prototype system functions.
12540 2001-01-07 Michael Hayes <mhayes@redhat.com>
12542 * hard-reg-set.h: Add multiple include guard.
12543 * basic-block.h (struct loop): Add `sink' field.
12544 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
12545 (emit_iv_add_mult): Delete.
12546 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
12547 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
12548 (unroll_loop): Remove end_insert_before argument.
12549 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
12550 (maybe_eliminate_biv_1): Likewise.
12551 (emit_iv_add_mult): Delete.
12552 (gen_add_mult, loop_regs_update): New.
12553 (loop_insn_emit_after, loop_insn_emit_before): New.
12554 (loop_insn_sink, loop_insn_sink_or_swim): New.
12555 (emit_iv_add_mult): Delete.
12556 (scan_loop): Set loop->sink.
12557 (loop_givs_reduce): Use loop_insn_sink and its ilk.
12558 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
12559 (maybe_eliminate_biv_1): Likewise.
12560 (maybe_eliminate_biv_1): Add basic block argument.
12561 * unroll.c (unroll_loop): Remove end_insert_before argument.
12562 (find_splittable_regs): Likewise.
12563 (find_splittable_regs): Use loop_insn_sink and its ilk.
12564 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
12566 2001-01-07 Michael Hayes <mhayes@redhat.com>
12568 * loop.h (loop_insn_hoist): New prototype.
12569 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
12570 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
12571 (check_dbra_loop, load_mems): Likewise.
12572 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
12573 (find_splittable_givs): Likewise.
12575 2001-01-07 Michael Hayes <mhayes@redhat.com>
12577 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
12579 2001-01-07 Richard Henderson <rth@redhat.com>
12581 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
12583 2001-01-07 Richard Henderson <rth@redhat.com>
12585 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
12586 NO_SHARED_LIBGCC_MULTILIB as required for the target.
12587 * gcc.c (init_spec): Massage the existing libgcc_spec into a
12588 variant that handles a shared libgcc.
12589 (process_command): Always validate -{static,shared}-libgcc.
12590 (do_spec_1): New 'M' case.
12591 * invoke.text (Link Options): Document -{static,shared}-libgcc.
12593 2001-01-07 Richard Henderson <rth@redhat.com>
12595 * Makefile.in (slibdir): New variable.
12596 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
12597 (installdirs): Create slibdir.
12598 (install-libgcc, install-multilib): Defer to libgcc.mk.
12599 * configure.in (slibdir): Substitute.
12600 * mklibgcc.in (install): New target.
12602 * config/t-linux (SHLIB_LINK): Create links for the soname.
12603 (SHLIB_INSTALL): New.
12604 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
12605 * config/mips/t-iris6 (SHLIB_INSTALL): New.
12606 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
12607 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
12608 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
12610 2001-01-07 Richard Henderson <rth@redhat.com>
12612 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
12613 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
12614 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
12616 2001-01-07 Michael Hayes <mhayes@redhat.com>
12618 * loop.c (count_loop_regs_set): Delete.
12619 (load_mems_and_recount_loop_regs_set): Delete.
12620 (loop_regs_scan): Merge common code from count_loop_regs_set,
12621 scan_loop, and load_mems_and_recount_loop_regs_set.
12622 (scan_loop): Call load_mems directly and loop_regs_scan
12623 again if new registers created.
12625 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12627 * toplev.c (main): Call the front-end specific post_options
12628 hook if one is given.
12629 * toplev.h (struct_lang_hooks, lang_hooks): New.
12630 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
12631 for the C front end.
12632 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
12633 lang_hooks for the C++ front end.
12634 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
12635 lang_hooks for the ObjC front end.
12636 * f/com.c (lang_hooks): Hooks for the Fortran front end.
12637 * java/lang.c (lang_hooks): Hooks for the Java front end.
12639 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12641 * c-lex.c (init_c_lex): Request #define / #undef callbacks
12642 for verbose DWARF[2] debugging.
12643 (cb_define, cb_undef): The new callbacks.
12644 * toplev.h (debug_define, debug_undef): Make const correct.
12645 * toplev.c (debug_define, debug_undef): Similarly. Do not
12646 perform the verbosity tests here anymore.
12648 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
12650 * reload.c (subst_reloads): Take INSN argument. When
12651 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
12652 * reload.h (subst_reloads): Adjust prototype.
12653 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
12654 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
12655 present in JUMP_INSNs and copy them to JUMP_LABEL.
12656 * flow.c (find_label_refs, find_basic_blocks_1): Skip
12657 JUMP_INSNs and insns with REG_LABELs that are followed by
12658 JUMP_INSNs with the same REG_LABEL.
12659 * sched-rgn.c (is_cfg_nonregular): Likewise.
12660 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
12662 * unroll.c (unroll_loop): Look for REG_LABEL notes in
12664 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
12666 2001-01-06 Richard Henderson <rth@redhat.com>
12668 * loop.c (scan_loop): Use xcalloc for the regs array.
12669 (load_mems_and_recount_loop_regs_set): Zero the new memory
12670 received from xrealloc.
12672 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
12674 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
12676 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
12678 * integrate.c (copy_rtx_and_substitute): When copying
12679 an ignored return value, strip REG_FUNCTION_VALUE_P.
12681 2001-01-06 Michael Hayes <mhayes@redhat.com>
12683 * loop.c (debug_biv, debug_giv): New.
12684 (loop_biv_dump): Break out from ...
12685 (record_biv): ... here.
12686 (loop_giv_dump): Break out from ...
12687 (record_giv): ... here.
12688 (loop_bivs_check): Use print_simple_rtl.
12689 * unroll.c (loop_iterations): Use print_simple_rtl.
12691 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
12693 * pa.md (return, return_internal): Modify patterns to prevent regrename
12694 mucking with the return pointer.
12696 2001-01-05 Richard Henderson <rth@redhat.com>
12698 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
12700 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
12702 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
12703 version supplied by Matteo Frigo.
12705 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12707 * cpp.texi: Update for -MQ.
12708 * cppinit.c (cpp_create_reader): Always create pfile->deps.
12709 (cpp_cleanup): Always free pfile->deps.
12710 (initialize_dependency_output): Don't create pfile->deps.
12711 (cpp_handle_option): Similarly.
12713 * gcc.c (cpp_options): Handle -MQ.
12714 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12715 * mkdeps.c (base_name): Remove.
12716 (deps_init): Don't allocate vector space until it's needed.
12717 (deps_free): Only free vectors if allocated.
12718 (deps_add_target, deps_add_dep): Update for initial allocation.
12719 (deps_add_default_target): Don't strip to the base_name.
12721 2001-01-05 DJ Delorie <dj@redhat.com>
12723 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
12724 (INIT_EXPANDERS): Define.
12726 * config/v850/v850.c (struct machine_function): Define.
12727 (v850_save_machine_status): New function.
12728 (v850_restore_machine_status): New function.
12729 (v850_return_addr): New function.
12730 (v850_init_expanders): New function.
12732 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
12733 and v850_init_expanders.
12735 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12737 * cpplib.h (struct cpp_reader): Add help_only field.
12738 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
12739 (cpp_handle_option): Set pfile->help_only if we see -h,
12740 --help, -target-help, or --version. Print version string but
12741 do not set help_only if we see -v or -version. Make text
12742 printed by -v match that printed by (-)-version.
12744 * cppmain.c (main): Exit after option parsing if
12745 pfile->help_only is true.
12747 * toplev.c (independent_decode_option): Call print_version,
12748 then exit, if we see --version (but not -version).
12749 (print_version): Split lengthy message into two lines.
12751 2001-01-05 Nick Clifton <nickc@redhat.com>
12753 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
12754 temporary string for initialisation before calling ggc_alloc_string.
12756 2001-01-06 Michael Hayes <mhayes@redhat.com>
12758 * rtl.h (print_simple_rtl): New.
12759 * print-rtl.c (print_simple_rtl): New.
12760 (flag_simple): New.
12761 (print_rtx): Disable printing of flags and modes, etc.,
12762 if `flag_simple` nonzero.
12764 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12766 * function.c (fixup_var_refs): Use push_to_full_sequence where
12769 2001-01-05 Michael Meissner <meissner@redhat.com>
12771 * flags.h (flag_reorder_blocks): Add declaration.
12772 (flag_rename_block): Ditto.
12774 2001-01-05 DJ Delorie <dj@redhat.com>
12776 * function.c (reorder_blocks): Make sure the flags are all reset
12777 before using them to mark blocks, else a second invocation will
12778 corrupt the block chain.
12779 (reorder_blocks_0): New, resets the flags.
12781 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
12783 * cse.c (find_comparison_args): Stop if the argument is known to
12786 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12788 * config/sh/sh.md (movdf): When splitting load into pair of
12789 registers, don't clobber the register used in the address too
12792 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
12794 * varasm.c (mark_constant_pool): Improve initial comments.
12795 (mark_constants): Move marking of constants to mark_constant.
12796 (mark_constant): New function to recursively mark all constants
12797 referred to by a constant.
12799 2001-01-05 Catherine Moore <clm@redhat.com>
12801 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
12803 2001-01-05 Phil Edwards <pme@sources.redhat.com>
12805 * cp/lang-options.h: Bring comment in line with reality.
12806 * f/lang-options.h: Likewise.
12807 * java/lang-options.h: Likewise.
12808 * objc/lang-options.h: Likewise.
12809 * ch/lang-options.h: Likewise.
12810 * f/g77.texi: And update the manual.
12812 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
12813 Denis Chertykov <denisc@overta.ru>
12815 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
12816 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
12817 * config/avr/avr.md (all peepholes that request a scratch register):
12818 Call it, FAIL the peephole if not safe (in interrupt functions).
12820 2001-01-05 Mark Mitchell <mark@codesourcery.com>
12822 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
12824 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
12826 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
12828 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
12829 BUILT_IN_CREAL and BUILT_IN_CIMAG.
12830 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
12831 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
12832 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
12834 * extend.texi: Document these builtins.
12836 2001-01-05 Daniel Berlin <dberlin@redhat.com>
12838 * c-common.c (lang_get_alias_set): Say we know nothing of
12839 VECTOR_TYPE aliasing.
12841 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
12843 2001-01-05 Bruce Korb <bkorb@gnu.org>
12845 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
12846 their x* equivalent versions for atexit-less systems
12847 * fixinc/fixincl.c(main): do not return from main() on atexit-less
12848 systems (or any other system any more).
12850 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
12852 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
12853 output operands. Use arm_hard_register_operand for operand 4.
12854 (stmsi_postinc): Similarly.
12855 (ldmsi): Use arm_hard_register_operand for opernand 2.
12856 (stmsi): Similarly.
12857 * arm.c (arm_hard_register_operand): New function.
12858 * arm-protos.h (arm_hard_register_operand): Prototype it.
12860 * arm.h (HARD_REGNO_RENAME_OK): Define.
12862 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
12864 * simplify-rtx.c (cfc_args): add "unordered" field.
12865 (check_fold_consts): Set unordered field.
12866 (simplify_relational_operation): Simplify the unordered
12869 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
12872 * emit-rtl.c (try_split): Fix code to mark labels.
12873 * jump.c (mark_jump_label): Make global.
12874 * rtl.h (mark_jump_label): Declare.
12876 * predict.c (estimate_probability): Handle unordred comparisons.
12878 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12880 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
12881 * cppinit.c (initialize_dependency_output): Update.
12882 (cpp_finish): Output dummy targets for -MP.
12884 (cpp_handle_option): Handle -MP. Don't quote -MT options.
12885 * cpplib.h (struct cpp_options): Add deps_phony_targets.
12886 * gcc.c (cpp_options): Update to handle -MP.
12887 * mkdeps.c (deps_add_target, deps_add_default_target): Update
12888 to quote only the default target.
12889 (deps_phony_targets): Insert a preceding newline. Rename from
12890 deps_dummy_targets for consistency.
12893 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12895 * calls.c (emit_library_call_value_1): Support
12896 INIT_CUMULATIVE_LIBCALL_ARGS.
12897 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
12899 2001-01-04 Richard Henderson <rth@redhat.com>
12901 * c-decl.c (finish_struct): Detect flexible array members
12902 used in an inappropriate context.
12903 * c-typeck.c (really_start_incremental_init): Special case
12904 constructor_max_index for zero length arrays.
12905 (pop_init_level): Allow initialization of flexible array
12906 members. Deprecate initialization of zero length arrays.
12907 Don't issue missing initializer warning for flexible array
12908 members or zero length arrays.
12909 (process_init_element): Don't dereference null DECL_SIZE.
12910 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
12911 Don't abort for empty constructors. Use size_binop
12912 (output_constructor): Add commentary regarding zero length
12913 array futures. Abort if we try to initialize an array of
12914 unspecified length with a non-empty constructor in the middle
12917 * extend.texi (Zero Length): Update and clarify documentation
12918 on static initialization.
12920 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12922 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
12923 with more than 32767 words of local storage.
12925 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12927 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
12928 for 'abs', 'labs', and 'fabs'.
12929 (c4x_expand_builtin): Likewise.
12930 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
12932 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12934 * config/sh/sh.md (prget, prset): New insn types.
12935 (return delay slot): Dont' allow prset.
12936 (call, sfunc delay slot): Don't allow prget.
12937 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
12938 for prset and prget.
12940 2001-01-05 Michael Hayes <mhayes@redhat.com>
12942 * loop.h (struct loop_reg): New.
12943 (struct loop_regs): Change to use array of `struct loop_reg'.
12944 * loop.c: Replace assortment of varrays with single regs array.
12945 (count_one_set): Delete may_not_move array argument
12946 and use regs array instead. All caller's changed.
12947 (count_loop_regs_set): Delete may_not_move and single_usage
12948 arguments and use regs array instead. All caller's changed.
12949 (find_single_use_in_loop): Replace usage array argument with pointer
12950 to regs structure. All caller's changed.
12951 (loop_optimize): Delete `moved_once' array.
12953 2001-01-05 Michael Hayes <mhayes@redhat.com>
12955 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
12956 Use it instead of loop_info->has_call for scanning loop mems.
12957 (check_dbra_loop): Replace loop_info->has_call test with
12958 loop_info->has_nonconst_call.
12960 2000-01-04 Matthew Hiller <hiller@redhat.com>
12962 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
12965 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12967 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
12968 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
12970 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12972 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
12973 (flag_short_double, flag_short_wchar): Define.
12974 (c_common_nodes_and_builtins): Create many tree nodes shared
12975 between C and C++ here instead of in cp/decl.c and ...
12976 * c-decl.c (init_decl_processing): ... here.
12977 (SIZE_TYPE, WCHAR_TYPE): Don't define.
12978 (flag_short_double, flag_short_wchar): Don't define.
12979 (record_builtin_type): New function.
12980 (build_void_list_node): New function.
12981 * c-common.h (flag_short_double, flag_short_wchar,
12982 record_builtin_type, build_void_list_node): Declare.
12984 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
12986 * integrate.c (expand_inline_function): Don't put a virtual
12987 register into the reg map.
12989 * function.c (fixup_var_refs_1): If force_operand didn't put
12990 the address into the target, move it there.
12992 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12994 Special-case tree_decl/tree_list allocations.
12995 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
12996 (OBJECT_SIZE): New macro.
12997 (NUM_EXTRA_ORDER): Likewise.
12998 (extra_order_size_table): New variable.
12999 (NUM_ORDERS): New macro.
13000 (objects_per_page_table): New variable.
13001 (object_size_table): New variable.
13002 (G.pages): Use NUM_ORDERS to bound the array.
13003 (G.page_tails): Likewise.
13004 (DIV_ROUND_UP): Remove.
13005 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
13006 (alloc_page): Use OBJECT_SIZE.
13007 (size_lookup): Don't make it const.
13008 (ggc_alloc): Use OBJECT_SIZE.
13009 (ggc_set_mark): Likewise.
13010 (ggc_get_size): Likewise.
13011 (init_ggc): Set up the object_size_table, objects_per_page_table,
13012 and adjust size_lookup.
13013 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
13014 (ggc_pop_context): Use NUM_ORDERS.
13015 (clear_marks): Likewise.
13016 (sweep_pages): Likewise.
13017 (poison_pages): Likewise.
13018 (ggc_print_statistics): Use OBJECT_SIZE.
13020 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13022 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
13023 Only call array_size_for_constructor if last field and array type
13024 with no upper bound.
13026 2001-01-04 Philip Blundell <philb@gnu.org>
13028 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
13029 from bit 31 downwards, if this requires no more insns.
13030 (count_insns_for_constant): New helper function for above.
13032 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
13034 * gencodes.c (output_predicate_decls): Remove empty initializer.
13036 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13038 * tree.c (copy_node): Remove documentation about obstacks.
13039 (buidl1): Check that nobody tries to build 2-argument nodes this
13042 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13044 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
13047 * gencodes.c (output_predicate_decls): Fill empty initializer
13050 2001-01-04 Jakub Jelinek <jakub@redhat.com>
13052 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
13053 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
13055 (do_include): Handle missing headers like cpp0.
13056 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
13057 paths with first include pathname. Don't strcat to uninitialized
13060 2001-01-04 Bernd Schmidt <bernds@redhat.com>
13062 * regrename.c (regrename_optimize): Don't rename from frame pointer
13063 if frame_pointer_needed.
13064 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
13065 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
13066 (ia64_reorg): Use it instead of scheduling if ! optimize.
13067 (errata_emit_nops): Properly call asm_noperands.
13068 (ia64_sched_reorder): Finish cycle if we see an asm.
13069 (ia64_variable_issue): Clear scheduling state after asms.
13071 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
13073 * cpp.texi: Update for -MT.
13074 * cppinit.c (initialize_dependency_output): Add a default
13075 target if none has been given already.
13076 (no_tgt, OPT_MT): New.
13077 (cpp_handle_option): Handle -MT. Update -M etc.
13078 * cpplib.h (struct cpp_options): Remove deps_target.
13079 * gcc.c (cpp_options): Handle -MT.
13080 * mkdeps.c (struct deps): Move from mkdeps.h.
13081 (deps_calc_target): Rename deps_add_default_target. Add a
13082 default target if none has been specified already.
13083 * mkdeps.h (struct deps): Move to mkdeps.c.
13084 (deps_calc_target): Rename deps_add_default_target.
13086 2000-01-03 Richard Henderson <rth@redhat.com>
13088 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
13090 * c-typeck.c (push_init_level): Move checks for flexible array
13091 members and zero length arrays ...
13092 (pop_init_level): ... here. Silently discard empty initializations.
13094 * varasm.c (output_constructor): Update for sizeof change to
13095 zero-length arrays.
13097 * extend.texi (Zero Length): Clarify semantics.
13099 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13101 * configure.in (tm.h): Include isns-codes.h last.
13102 * configure: Rebuilt.
13104 2001-01-03 Richard Henderson <rth@redhat.com>
13106 * config/alpha/alpha.md (addvsi3, addvdi3): New.
13107 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
13109 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13111 * tradcpp.c (main): Make sure finclude() is called with a valid
13112 indepth value while handling -include.
13114 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13116 * gencodes.c (output_predicate_decls): New function.
13118 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
13119 even if it is not the first time machmode.h is #included.
13120 * config/sh/sh.c (fpul_operand): Declare MODE argument.
13121 * tm.texi (PREDICATE_CODES): Document predicate declarations.
13122 * gcc.texi (Copyright): Added 2001.
13124 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13126 * c-common.c (c_common_lang_init): New function. Warn if format
13127 warning options which only have effects when used with -Wformat
13128 are used without -Wformat.
13129 * c-common.h (c_common_lang_init): Declare.
13130 * c-lang.c (lang_init): Call c_common_lang_init.
13131 * objc/objc-act.c (lang_init): Call c_common_lang_init.
13133 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13135 * configure.in: Check for the mktemp command.
13136 * configure: Regenerate.
13137 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
13138 $TEMP. Create temporary files with mktemp, if available at
13139 configure time; otherwise use set -C. Remove temporary files
13142 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13144 * configure.in: Require at least texinfo 4.0. Check for whether
13145 Pod::Man is sufficiently recent to regenerate GCC manpages.
13146 * configure: Regenerate.
13147 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
13149 (GENERATED_MANPAGES): Define.
13150 (generated-manpages): New target. Depend on cpp.1 as well as
13152 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
13153 configure to generated-manpages or empty) rather than on the
13154 manpages directly. Remove execute permission from installed
13155 gcov.1 as well as cpp.1.
13156 * cpp.1, gcov.1: Regenerate.
13158 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13160 * builtins.c (expand_builtin_strncmp): Use host_integerp and
13161 tree_low_cst. Allow using cmpstrsi in more cases.
13163 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13165 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
13168 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
13170 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
13171 * Makefile.in (HOST_CFLAGS): Mention build-make.
13173 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13175 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
13178 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13180 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
13183 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
13186 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
13187 reg_base_value and reg_known_value arrays.
13188 (init_alias_analysis): Add more cases to detect known values.
13189 * sched-deps.c (deps_may_trap_p): New function.
13190 (sched_analyze_2): Use it.
13192 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13194 * combine.c (simplify_shift_const): Even if we're sign-extracting,
13195 don't discard an ASHIFTRT if we're shifting in a wider mode.
13197 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
13199 * toplev.c (rest_of_compilation): Don't print basic block information
13200 when CFG isn't up to date.
13202 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
13204 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
13205 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
13206 (UNALIGNED_SHORT_ASM_OP): Define.
13207 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
13209 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13211 * fold-const.c (fold_convert): Fix typo.
13213 2001-01-02 Richard Henderson <rth@redhat.com>
13215 * c-common.h (ASM_INPUT_P): New.
13216 * c-parse.in (asm): Set it when needed.
13217 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
13218 existance of an operand.
13220 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
13222 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
13223 (dwarf2out_frame_debug_expr): Likewise.
13224 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
13226 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
13228 * i386.c (ix86_split_to_parts): Return number of part required;
13230 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
13232 (ix86_split_long_move): Use number of part returned
13233 by ix86_split_to_parts
13234 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
13236 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
13237 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
13238 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
13239 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
13240 (ALIGN_MODE_128): Add TFmode.
13241 (IS_STACK_MODE): Likewise.
13242 (HARD_REGNO_NREGS): TFmode needs 3 registers.
13243 (HARD_REGNO_OK): Support TFmodes.
13244 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
13245 * i386.md (scheduler definitions): Use memory operand to determine
13246 fst/fld instructions; use mode attribute to determine real mode of
13248 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
13249 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
13251 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13253 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
13255 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13257 * expr.c (store_constructor_field): Update ALIGN before calling
13260 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13262 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
13265 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13267 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
13270 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13272 * c-decl.c (start_function): Don't warn on third parameter to main.
13274 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13276 * tsystem.h: Define HAVE_DECL_GETOPT.
13278 2001-01-02 Philip Blundell <pb@futuretv.com>
13280 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
13283 2001-01-02 Richard Henderson <rth@redhat.com>
13285 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
13287 2001-01-02 Andreas Jaeger <aj@suse.de>
13289 * c-decl.c (c_decode_option): Remove support of
13290 -Wmissing-noreturn.
13292 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
13293 (W_options): Add -Wmissing-noreturn here.
13295 * flow.c: Define lang_missing_noreturn_ok_p.
13296 (check_function_return_warnings): Use it.
13298 * c-common.h: Declare lang_missing_noreturn_ok_p.
13300 * c-lang.c (c_missing_noreturn_ok_p): New function.
13301 (lang_init): Set lang_missing_noreturn_ok_p.
13303 * invoke.texi (Warning Options): Document this.
13305 2000-12-27 Phil Edwards <pme@sources.redhat.com>
13307 * extend.texi (C++ Extensions): New node for C++ attributes;
13308 describe init_priority and com_interface.
13309 * invoke.texi: Remove -finit-priority as it now has zero effect.
13310 * install.texi: Fix xref syntax.
13311 * md.texi: Likewise.
13313 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13315 * config.gcc (sparc64-wrs-vxworks*): New case.
13316 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
13318 * config/sparc/sparc.c (sparc_override_options): Do support different
13319 pointer and architecture size.
13320 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
13321 (POINTERS_EXTEND_UNSIGNED): Define.
13322 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
13323 (FUNCTION_MODE): Define to be Pmode.
13324 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
13326 * function.c (expand_function_end): Properly handle DECL_RESULT
13327 and copy when ptr_mode != Pmode.
13328 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
13330 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13332 * c-common.c (c_common_nodes_and_builtins): Set prototype
13333 parameters for __builtin_fputs, __builtin_fputc and
13334 __builtin_fwrite. Don't declare plain fputc as a builtin.
13336 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
13338 * loop.c (add_label_notes): Increment the label usage count when
13339 a note is added to an insn which refers to a CODE_LABEL.
13340 * gcse.c (add_label_notes): Likewise.
13342 2001-01-01 Andreas Jaeger <aj@suse.de>
13344 * loop.c (scan_loop): Use xmalloc to allocate movables.
13346 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
13348 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
13349 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
13350 * reload1.c (REGISTER_MOVE_COST): Likewise.
13351 * regclass.c (REGISTER_MOVE_COST): Likewise.
13352 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
13353 dimension. Adjust all users.
13354 (init_reg_sets_1): Iterate on all modes.
13355 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
13356 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
13357 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
13358 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
13359 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
13360 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
13361 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
13362 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
13363 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
13364 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
13365 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
13366 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
13367 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
13368 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
13369 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
13370 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
13371 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
13372 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
13373 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
13374 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
13375 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
13376 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
13377 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
13378 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
13379 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
13380 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
13381 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
13383 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13385 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
13386 arg VARIES_P. Call it with extra arg.
13387 (true_dependence): Likewise.
13388 * rtl.h (rtx_addr_can_trap_p): Declare.
13389 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
13391 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
13392 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
13393 pic offset table register if it's zero. All callers changed.
13394 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
13396 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13398 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
13399 STRING_POOL_ADDRESS_P.
13401 * config/sparc/sparc.c (input_operand): Properly test for short op.
13403 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
13404 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
13405 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
13406 * config/sparc/elf.h: No longer include sol2.h.
13407 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
13408 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
13410 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
13412 2001-01-01 Michael Hayes <mhayes@redhat.com>
13414 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
13415 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
13416 (record_initial): Likewise.
13417 * unroll.c (copy_loop_body, loop_iterations): Likewise.
13418 (remap_split_bivs): Likewise.
13420 2001-01-01 Michael Hayes <mhayes@redhat.com>
13422 * loop.c (loop_ivs_free): New function.
13423 (strength_reduce): Break out from...
13425 2001-01-01 Michael Hayes <mhayes@redhat.com>
13427 * loop.h (struct iv): New.
13428 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
13429 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
13430 'reg_biv_class' fields with 'regs' and 'n_regs'.
13431 (struct ivs): Rename 'loop_iv_list' field to 'list'.
13432 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
13433 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
13435 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
13437 * resource.c (mark_referenced_resources): Abort() before
13438 attempting to mark a pseudo register.
13439 (mark_set_resources): Likewise.
13441 2001-01-01 Michael Hayes <mhayes@redhat.com>
13443 * loop.h (REG_IV_CLASS): New accessor macro.
13444 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
13445 * unroll.c (REG_IV_CLASS): Likewise.
13447 See ChangeLog.4 for earlier changes.