1 2001-06-19 Geoffrey Keating <geoffk@redhat.com>
3 * doc/rtl.texi (Machine Modes): Correct description of
4 floating-point modes on machines with non-8-bit bytes.
6 2001-06-19 Bernd Schmidt <bernds@redhat.com>
8 * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
9 carries a REG_EQUIV note. If it carries REG_EQUAL, delete the
12 Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com)
14 * ssa.c (remove_phi_alternative): Remove declaration. No longer
15 static. Second argument is a pointer to a basic block structure,
16 not a basic block index.
17 (convert_to_ssa): Do not remove dead code.
18 (convert_from_ssa): Do not remove dead code to create death notes.
19 * ssa.h (remove_phi_alternative): Declare.
21 * flow.c (delete_unreachable_blocks): Fix patch error in
22 previous change (call to find_unreachable_blocks was lost).
24 * ssa.c (ssa_uses): Remove definition.
25 (apply_delayed_renames): Don't grow ssa_uses.
26 (rename_block): Remove comment related to ssa_uses.
27 (rename_registers): Do not initialize ssa_uses.
28 (convert_from_ssa): Do not free ssa_uses.
30 * ssa-dce.c: Renamed from dce.c.
31 * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
32 (dependencies): Replace dce.c with ssa-dce.c and dce.o with
35 2001-06-19 Eric Christopher <echristo@redhat.com>
37 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
38 and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use
39 GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
41 Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com>
43 * sh.c (output_branch): Delete bogus code.
45 * sh.c (initial_elimination_offset):
46 Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
48 Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com)
50 * flow.c (find_unreachable_blocks): New function.
51 (delete_unreachable_blocks): Use find_unreachable_blocks.
52 * basic-block.h (find_unreachable_blocks): Declare.
54 * dce.c (eliminate_dead_code): Fix formatting glitch.
56 2001-06-18 Jason Merrill <jason_merrill@redhat.com>
58 * c-common.h (RETURN_NULLIFIED_P): New macro.
59 * c-semantics.c (genrtl_return_stmt): Check it.
61 * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
62 (emit_block_move): Likewise.
64 Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz>
66 * unroll.c: Include predict.h.
67 (unroll_loop): Drop prediction notes on preconditioning.
68 * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
69 New; add comments on the others.
70 * Makefile.in: (unroll.o): Add dependancy on predict.h.
71 * loop.c (strength_reduce): Fix branch prediction.
73 Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz>
75 * stmt.c (emit_case_nodes): Optimize test whether index is in given
78 Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz>
80 * predict.c (estimate_probability): Do not bail out early
82 (combine_predictions_for_insn): Fix note removal code.
84 2001-06-18 Ben Elliston <bje@redhat.com>
86 * except.c (resolve_fixup_regions): Initialise "cleanup".
88 2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk>
90 * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
92 Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
94 * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
95 use put_var_into_stack.
97 2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
99 * gccspec.c (lang_specific_driver): If compiling ObjC, add
100 -shared-libgcc when necessary.
101 * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
103 2001-06-16 Daniel Berlin <dan@cgsoftware.com>
105 * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
106 bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
107 bitmap_last_set_bit. All for compatibility with sbitmap's.
109 *bitmap.c (bitmap_zero): New function.
110 (bitmap_union_of_diffs): New function.
111 (bitmap_first_set_bit): New function.
112 (bitmap_last_set_bit): New function.
114 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
116 * cpp.texi, invoke.texi: Update.
117 * cpp.1, gcc.1: Regenerate.
119 Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz>
121 * i386.md (minsf): Fix splitter. (PR fortran/3191)
123 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
125 * doc/cpp.texi: Update.
126 * doc/cpp.1: Regenerate.
128 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
130 * doc/install.texi: Use correct markup hints.
132 Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
134 * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
136 * explow.c (expr_size): If DECL and size specified, use it.
138 2001-06-15 Zack Weinberg <zackw@stanford.edu>
140 * doc/cpp.texi: Formatting corrections.
141 Correct buggy example of use of __GNUC__ etc.
142 Clarify $ in identifiers.
143 * doc/cpp.1: Regenerate.
145 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz>
147 * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
149 2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
151 * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
153 (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
154 Added Tru64 UNIX V5.1 bootstrap hints.
155 (Specific, alpha*-*-osf*): Removed old section, obsolete.
157 2001-06-15 Andreas Jaeger <aj@suse.de>
159 * doc/install.texi (Specific): Mention that glibc cannot be
160 compiled with GCC 3.0.
162 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
164 * combine.c (nonzero_bits): Don't optimize away division by
167 2001-06-15 Zack Weinberg <zackw@stanford.edu>
169 * doc/cpp.texi: Revised and brought up to date.
170 * doc/cpp.1: Regenerate.
172 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
174 * doc/install.texi: Update --enable-threads to match reality.
176 2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
178 * doc/install.texi: Update for C4x.
179 * README.C4X: Remove.
181 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
183 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
184 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
185 doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
186 Consistently use "built-in" and "bit-field". Minor logical markup
188 * doc/gcc.1: Regenerate.
190 2001-06-14 Richard Henderson <rth@redhat.com>
192 * config/mips/mips.md (exception_receiver): New.
194 2001-06-14 Daniel J. Berlin <dan@cgsoftware.com>
196 * doc/gcc.texi: Update passes documentation to be more in tune
199 Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz>
201 * i386.c (ix86_expand_prologue): Fix merging conflict.
203 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
205 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
206 doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
207 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
208 logical markup. Use TeX quotes and dashes. Use @dots{} and
209 @minus{}. Avoid spaces inside @var. Update last modification
211 * doc/gcc.1, doc/gcov.1: Regenerate.
213 Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz>
215 * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
216 x86_epilogue_using_move): New global variables.
217 (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
218 (ix86_emit_save_regs_using_mov): New static function.
219 (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
220 * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
221 MASK_MIX_SSE_I387): Renumber.
222 (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
223 (x86_accumulate_outgoing_args, x86_prologue_using_move,
224 x86_epilogue_using_move): Declare.
225 (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
227 2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca>
229 * inclhack.def (hpux10_cpp_pow_inline): New hack.
231 2001-06-13 Richard Henderson <rth@redhat.com>
233 * ifcvt.c (dead_or_predicable): Fix return value last patch.
235 2001-06-13 Mark Mitchell <mark@codesourcery.com>
239 2001-06-13 Richard Henderson <rth@redhat.com>
241 * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
242 (cond_exec_process_if_block, dead_or_predicable): Likewise.
244 2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
246 * mips-tfile.c (copy_object): Always pass indexNil for symbol
249 2001-06-13 Kazu Hirata <kazu@hxi.com>
251 * config/h8300/h8300.h (OK_FOR_T): Remove.
252 (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
253 * config/h8300/h8300.md: Remove alternatives involving inc and dec
254 in the helper patterns for addhi3 and addsi3.
256 2001-06-13 Phil Edwards <pme@sources.redhat.com>
258 * doc/contrib.texi: Link to libstdc++'s thanks.html for now.
260 2001-06-13 Zack Weinberg <zackw@stanford.edu>
262 * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
263 * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
265 * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
266 config/alpha/t-osf4, config/mips/t-iris6: Extract all
267 references to @shlib_map_file@, @shlib_objs@, or
268 @shlib_base_name@ to Makefile variables.
269 Bump soname version of libgcc to 1.
271 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
273 * doc/install.texi: Use more logical markup. Include @node
274 commands in the source when generating any non-HTML.
276 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
278 * README: Remove. Some of the contents moved to ../README.
280 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
282 * doc/install.texi (--enable-shared): List package names
285 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
287 * doc/install.texi (ix86-*-solaris*): Removed, outdated.
288 (*-*-solaris*): Document problem in /bin/sh that affects
289 configuring libraries.
290 (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
291 (*-sun-solaris2.8): Document linker problem that explains why
292 libjava is disabled by default.
294 2001-06-09 Mark Mitchell <mark@codesourcery.com>
297 * toplev.c (rest_of_compilation): Remove dead code before
300 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
303 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
304 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
305 * configure: Rebuilt.
307 2001-06-12 Jim Wilson <wilson@redhat.com>
309 * loop.c (strength_reduce): Move bl->all_reduced set before
310 check_ext_dependant_givs call.
311 (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
313 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
315 * doc/extend.texi (Function Attributes): Document SH's sp_switch
318 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
320 * doc/invoke.texi: Use more logical markup. Use TeX quotes,
323 2001-06-12 Richard Henderson <rth@redhat.com>
325 * config/i386/i386.c (ix86_expand_prologue): Always use
326 gen_pro_epilogue_adjust_stack; update arguments.
327 (ix86_expand_epilogue): Likewise.
328 (ix86_emit_epilogue_esp_adjustment): Remove.
329 (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
330 * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
331 clobber of scratch memory instead of a modification of EBP as the
332 barrier. Update all peepholes to match.
334 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
336 * doc/gcc.texi: Change the font used for @def... commands to a
338 * doc/extend.texi: Use more logical markup. Use "built-in"
339 instead of "builtin". Use @deftypefn to mark up built-in
340 functions; specify their types in the @deftypefn and not in the
341 descriptive text. Use TeX quotes and dashes. Add more index
344 2001-06-12 lars brinkhoff <lars@nocrew.org>
346 * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
347 (DIR_SEPARATOR_2): Likewise.
349 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
351 * doc/install.texi (--exec-prefix, --bindir, --libdir,
352 --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
354 (--enable-cpp): Change to document --disable-cpp instead; update
355 to reflect current default.
356 (--without-fast-fixincludes): Remove documentation.
357 (Final install): Document installation directories in more
358 detail. Document use of make dvi.
360 Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz>
362 * recog.c (validate_replace_rtx_1): Fix previous patch.
364 Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz>
366 * recog.c (validate_replace_rtx_1): Do plus_constant call always.
368 Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz>
370 * simplify-rtx.c (simplify_subreg): Allow volatile memory
371 to be subregged in case we don't have move instruction.
373 Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
375 * loop.c: Include predict.h
376 (strength_reduce): Drop branch prediction note in case
377 number of iterations is known.
378 * predict.def (PRED_LOOP_ITERATIONS): new.
379 * Makefile.in (loop.o): Add dependancy on predict.h
381 2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
383 * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
385 * c-typeck.c (c_start_case): Likewise.
387 2001-06-12 Mark Mitchell <mark@codesourcery.com>
389 * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
390 in a structure at a variable address.
392 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
394 * doc/gcov.texi: Use more logical markup.
396 2001-06-11 Mark Mitchell <mark@codesourcery.com>
398 * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
399 REG_NOTE_KIND, not PUT_MODE and GET_MODE.
400 (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
403 2001-06-11 Stan Shebs <shebs@apple.com>
405 * darwin.h (ASM_FILE_END): Remove decl of language_string.
407 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
409 * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
410 as an early clobber to make sure it is not used by reload in
413 2001-06-11 Mark Mitchell <mark@codesourcery.com>
415 * doc/c-tree.texi: Update information about flag_honor_std.
416 * doc/install.texi: Note that binutils is required on HPUX 11.
417 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
420 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
421 variable-sized types.
423 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
425 * doc/md.texi: Use TeX dashes and quotes.
427 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
429 * doc/rtl.texi: Reference manual chapter about trees.
431 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
433 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
434 (WINT_TYPE): Override.
435 (WINT_TYPE_SIZE): Likewise.
436 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
438 * config/sparc/sol2.h (WINT_TYPE): Define.
439 (WINT_TYPE_SIZE): Likewise.
441 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
442 (WINT_TYPE): Override.
443 (WINT_TYPE_SIZE): Likewise.
444 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
445 (CPP_ARCH64_SPEC): Likewise.
447 2001-06-11 Richard Henderson <rth@redhat.com>
449 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
450 with alias attribute.
452 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
453 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
455 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
457 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
459 2001-06-11 Stan Shebs <shebs@apple.com>
461 * darwin.c (darwin_encode_section_info): Rewrite to simplify
462 and fix coding mistakes.
464 2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>
466 * config/m32r/m32r.md (movstrsi_internal): Do not expect a
467 return string from m32r_output_block_move.
468 * config/m32r/m32r-protos.h: Make m32r_output_block_move a
470 * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
472 (ROUND_ADVANCE): Remove signed/unsigned conflict.
473 * config/m32r/m32r.c: Declare prototypes for static functions.
474 (move_src_operand): Replace INT32_P with UINT32_P.
475 (function_arg_partial_nregs): Fixed signed/unsigned conflict
476 in initialisation of 'size'.
477 (m32r_sched_reord): Remove redundant declarations of 'code'.
478 (m32r_output_block_move): Change to a void function.
479 (m32r_encode_section_info): Cast return of
480 TREE_STRING_POINTER to avoid compile time warning.
482 2001-06-11 Richard Henderson <rth@redhat.com>
484 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
485 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
486 (struct machine_function): Add gp_save_rtx.
487 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
488 (alpha_gp_save_rtx): New.
489 * config/alpha/alpha-protos.h: Declare it.
490 * config/alpha/alpha.md (exception_receiver): Make an expander.
491 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
493 2001-06-11 Richard Henderson <rth@redhat.com>
495 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
497 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
499 * configure.in: Align --help messages.
500 Remove trailing full stops.
501 Consistently use lower case.
502 Fix DWARF 2 spelling.
503 * configure: Rebuilt.
505 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
507 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
508 variants for .cpp/.cp/.c++ files.
509 Move definition of __LANGUAGE_C_PLUS_PLUS ...
510 (CPLUSPLUS_CPP_SPEC): ... here.
512 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
514 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
516 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
518 * c-decl.c (store_parm_decls): When comparing types in an
519 old-style function declaration with those from a previous
520 prototype, compare the unqualified versions of parameter types.
523 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
525 * doc/objc.texi: Use more logical markup. Use TeX dashes.
527 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
529 * doc/c-tree.texi: Use more logical markup.
531 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
533 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
535 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
537 * loop.c (scan_loop): Do not combine asm statements.
539 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
541 * simplify-rtx.c (simplify_subreg): Fix offset calculation
542 for complex values within a CONCAT.
544 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
546 * doc/install.texi: Update details of what components are included
547 in the GCC distribution. Update default directory for g++
548 includes. Update documentation relating to old libio. Adjust
549 documentation on DejaGnu environment variables. Remove
550 documentation of --enable-cpplib.
552 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
554 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
557 2001-06-10 Richard Henderson <rth@redhat.com>
559 * ifcvt.c (life_data_ok): New.
560 (merge_if_block): Use it to determine whether to update
562 (if_convert): Set it.
564 2001-06-10 Richard Henderson <rth@redhat.com>
566 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
568 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
570 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
571 (SH Options): Document -mieee.
572 * doc/install.texi (Final install): Remove obsolete information
573 about installing cross compilers.
574 * doc/gcc.1: Rebuilt.
576 2001-06-10 Richard Henderson <rth@redhat.com>
578 * config/alpha/alpha.c (override_options): Set align_loops,
579 align_jumps, and align_functions.
580 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
581 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
583 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
585 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
586 are one and two words in size.
588 2001-06-10 Richard Henderson <rth@redhat.com>
590 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
591 (Code Generation Options): Document -fnon-call-exceptions.
593 2001-06-10 Mark Kettenis <kettenis@gnu.org>
595 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
597 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
599 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
601 2001-06-10 Mark Mitchell <mark@codesourcery.com>
602 Gabriel Dos Reis <gdr@codesourcery.com>
604 * Makefile.in (c-parse.o): Depend on diagnostic.h
605 (dwarf2out.o): Likewise.
607 * dwarf2out.c: #include diagnostic.h
609 * toplev.h (warningcount, errorcount, sorrycount): Remove
612 * toplev.c (warningcount, errorcount, sorrycount): Remove
615 * diagnostic.h (struct output_buffer): Reorder fields.
616 (diagnostic_kind_count): New macro.
617 (errorcount, warningcount, sorrycount): Define as macros.
618 (diagnostic_report_warnings_p): New macro.
619 (output_state): Add diagnostic_count field.
621 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
622 Remove tentative declaration.
623 (count_error): Use diagnostic_report_warnings_p.
625 * c-parse.in: #include diagnostic.h
627 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
629 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
630 prefer a memory for operand 1.
631 ("*addsi3"): Fix constraints, the '!' was too strong.
632 ("*addsi3_split"): Accept soft register and split accordingly.
634 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
636 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
637 Move definition in the RTX_CODE section.
639 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
641 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
642 address as relative to the argument pointer.
644 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
646 * predict.def (PRED_OPCODE): Place before call and error_return.
648 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
650 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
651 * predict.c (estimate_probability): Calculate dominance
652 information; improve detection of NORETURN heuristics;
653 add call/error_return heuiristics; tweak comparison heuristics
656 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
658 * doc/invoke.texi (C Dialect Options): Document -aux-info.
659 (Debugging Options): Document -print-multi-directory and
661 * doc/gcc.1: Rebuilt.
663 * toplev.c (independent_decode_option): Require `=' between
664 `-aux-info' and filename in the same argument.
665 * gcc.c: Don't pass -aux-info=filename twice.
667 2001-06-09 Mark Mitchell <mark@codesourcery.com>
669 * expr.c (expand_expr, case ARRAY_REF): Do not replace
670 an array element with the known initializing value if it has
673 * toplev.c (rest_of_compilation): Remove dead code before
676 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
678 * cppinit.c (print_help): Document -fpreprocessed.
679 * invoke.texi: Similarly.
681 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
683 * predict.def: New file.
684 * predict.h: New file.
685 * predict.c: Include predict.h.
686 (predictor_info): New structure and array.
687 (predict_edge, predict_insn): Rewrite; make global.
688 (predict_edge_def, predict_insn_def): New global functions.
689 (dump_prediction, combine_predictions_for_insns): New
691 (estimate_probability): Change calls to predict_edge
692 to predict_edge_def and calls to predict_insn to predict_insn_def;
693 combine probabilities.
694 (expected_value_to_br_prob): Behave as predictor.
695 * rtl.h (REG_BR_PRED): Update coment.
696 (invert_br_probabilities): New.
697 * jump.c: Include predict.h
698 (duplicate_loop_exit_test): Drop branch prediction notes.
699 (invert_jump): Use invert_br_probabilities.
700 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
701 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
702 * combine.c (distribute_notes): Handle BR_PRED.
704 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
706 * predict.c (predict_insn, predict_edge): New static functions.
707 (estimate_probability): Revamp to use new functions;
708 fix loop header heruistics; add loop exist heruistics
710 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
712 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
714 2001-06-09 Peter Jakubek <pjak@snafu.de>
716 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
718 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
720 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
721 for integer operations that don't update C bit.
723 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
725 * gthr-posix.h (__gthread_objc_init_thread_system): If
726 pthread_key_create fails, it's not clear what the return value is.
727 This obvious fix makes sure it always returns -1 if a problem
730 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
732 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
733 more index entries. Use more logical markup where appropriate.
734 Use TeX quotes and dashes.
736 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
738 * unwind-pe.h: Conditionally qualify references to abort with
741 2001-06-09 Julian Foad <julian_foad@hotmail.com>
743 * doc/invoke.texi: Remove superfluous text.
745 2001-06-08 Richard Henderson <rth@redhat.com>
747 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
748 (LIB_SPEC): Mirror config/linux.h version.
750 2001-06-08 Richard Henderson <rth@redhat.com>
752 * except.c (get_exception_pointer, get_exception_filter): Take a
753 struct function. Update all callers.
754 * except.h (get_exception_pointer): Update declaration.
755 * expr.c (expand_expr): Update get_exception_pointer call.
756 * integrate.c (expand_inline_function): Remap the exception pointer
757 from callee to caller.
759 2001-06-08 Mark Mitchell <mark@codesourcery.com>
761 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
762 accurately reflect its cv-qualification.
763 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
764 cv-qualifiers on function types.
766 2001-06-08 Mark Mitchell <mark@codesourcery.com>
768 * basic-block.h: Improve comments.
769 * except.c (expand_eh_region_end_allowed): Remove redundant call
770 to do_pending_stack_adjust.
771 * flow.c (life_analysis): Fix typo in comment.
772 (calculate_global_regs_live): Add documentation.
773 (mark_set_1): Likewise.
774 (debug_regset): Likewise.
775 * doc/rtl.texi (cond_exec): Document it.
777 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
779 * i386.h (CONST_COSTS): set cost of constants representable in
780 immediate fields to 0.
782 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
784 * function.c (diddle_return_value): Kill code to determine
785 return value before expand_function_end.
786 (expand_function_end): Delay call to clobber_return_register
787 after fucntion return value is computed.
789 Re-install temporary reverted patch:
790 * toplev.c (rest_of_compilation): Call split_all_insns
791 before reg-stack and shorten-branches. Do shorten-branches
793 * final.c (shorten_branches): Remove insn splitting code.
795 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
797 * doc/gcc.texi, doc/invoke.texi: Add index of command line
798 options. Use @opindex to index them rather than other indexing
799 commands. Use @var{...} instead of <...>. Avoid spaces in names
800 inside @var. Don't use @kindex to index escape sequences in
803 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
805 * stmt.c (current_nesting_level): New fn.
806 * tree.h: Declare it.
807 * c-semantics.c (genrtl_compound_stmt): Use it.
809 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
811 2001-06-08 Jakub Jelinek <jakub@redhat.com>
813 * jump.c (mark_modified_reg): Allow jump threading if condition
814 codes are represented by a hard register.
816 2001-06-08 Jakub Jelinek <jakub@redhat.com>
818 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
819 for complex floats passed to unprototyped functions.
821 2001-06-08 Mark Mitchell <mark@codesourcery.com>
823 * except.c (expand_eh_region_end_allowed): Call
824 do_pending_stack_adjust as necessary.
826 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
828 * function.c (clobber_return_register): Clobber the pseudo return
831 * sibcall.c (skip_unreturned_value): New function.
832 (call_ends_block_p): Use it.
834 * recog.c (split_insn): Break out from ...
835 (split_all_insns): ... here; do not use basic block information
838 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
840 * simplify-rtx.c (simplify_subreg): Fix verification of
843 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
845 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
846 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
847 Move definition of _LANGUAGE_C_PLUS_PLUS ...
848 (CPLUSPLUS_CPP_SPEC): ... here.
849 Fixes PRs c++/3047, target/441.
851 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
853 * doc/install.texi2html (MAKEINFO): Keep value if set already.
855 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
857 * doc/gcc.texi: Add trailing slash to URL.
859 2001-06-07 Stan Shebs <shebs@apple.com>
861 * config/darwin.h (ENCODE_SECTION_INFO): Define.
862 (REDO_SECTION_INFO_P): Ditto.
863 (STRIP_NAME_ENCODING): Ditto.
864 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
865 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
866 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
867 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
868 * config/darwin.c: No longer include c-tree.h.
869 (machopic_classify_ident): Rewrite to use symbol encoding.
870 (lookup_name_darwin): Remove.
871 (machopic_non_lazy_ptr_name): Handle encoded symbols.
872 (machopic_stub_name): Use STRIP_NAME_ENCODING.
873 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
874 (machopic_finish): Ditto, remove test of decl.
875 (update_non_lazy_ptrs): New function.
876 (darwin_encode_section_info): New function.
877 * config/darwin-protos.h: Declare it.
878 * config/rs6000/rs6000.c (machopic_output_stub): Use
881 2001-06-07 Mark Mitchell <mark@codesourcery.com>
883 * tree.h (DECL_SOURCE_FILE): Improve documentation.
884 (DECL_SOURCE_LINE): Likewise.
886 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
888 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
891 2001-06-07 Phil Edwards <pme@sources.redhat.com>
893 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
894 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
896 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
898 * doc/contrib.texi: Add copyright notice.
900 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
902 * doc/md.texi: Use four digit years in copyright notice.
904 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
906 * config.gcc: For $target_alias of athlon-*, set
907 target_cpu_default2=5.
909 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
911 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
912 end of last block if last real insn is a JUMP_INSN.
914 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
918 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
920 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
921 pthread_t to objc_thread_t.
922 (__gthread_objc_thread_id): Likewise.
924 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
926 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
927 (ASM_OLDAS_SPEC): Likewise.
929 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
930 (CPP_SUBTARGET_SPEC): Use it.
931 (ASM_OLDAS_SPEC): Define.
933 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
935 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
937 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
940 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
942 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
943 Document use of N_(...), and show it in examples. Note that
944 documentation should be added to invoke.texi. Avoid an overfull
947 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
949 * toplev.c (rest_of_compilation): Revert previous patch.
950 * final.c (shorten_branches): Likewise.
952 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
954 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
957 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
959 * doc/install-old.texi: Remove more obsolete documentation.
961 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
963 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
965 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
967 * toplev.c (rest_of_compilation): Call split_all_insns
968 before reg-stack and shorten-branches. Do shorten-branches
970 * final.c (shorten_branches): Remove insn splitting code.
972 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
974 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
975 * configure: Rebuilt.
977 2001-06-07 Andreas Jaeger <aj@suse.de>
979 * emit-rtl.c (operand_subword): Remove unused variable.
981 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
983 * i386.md (floatdi?f): Avoid usinf of SSE instructions
984 if TARGET_64BIT is false.
985 (floatdi?f_i386_only): New insn.
986 (floatdi?f_i386): Disable for !TARGET_64BIT.
988 * (min?f, max?f splitters): Handle case where
989 operands are cross-matched.
991 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
992 (MMX_REGISTER_NAMES): Kill.
993 (PRINT_OPERAND): Fix comment.
994 (PRINT_REG): Likewise.
995 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
996 (print_operand): Update comment; kill 'm'.
998 * i386.c (x86_branch_hints): New global variable
999 (print_operand): Support outputting of branch prediction hints.
1000 * i386.md (conditional jump patterns): Add branch prediction hints
1002 * i386.h (x86_branch_hints): Declare
1003 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
1004 (PRINT_OPERAND_FUNCT_VALID_P): New.
1005 * final.c (final_forward_branch_p): New function.
1007 2001-06-06 Richard Henderson <rth@redhat.com>
1009 * flow.c (mark_used_reg): Clean up looping over multiple hard
1010 registers. Do conditional life bits across multiple hard regs.
1012 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
1014 * reload1.c (reload): Revert Schmidt's change so all USEs are not
1015 deleted during reload.
1017 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1019 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
1020 functions here, instead of ...
1021 * c-decl.c (c_expand_body): ... here.
1023 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1025 * config.gcc, config/sparc/bsd.h: Do not directly include
1026 sparc/sparc.h. Instead do it via tm_file.
1028 2001-06-05 Richard Henderson <rth@redhat.com>
1030 * dwarf2.h (DW_EH_PE_aligned): New.
1031 * dwarf2asm.c (eh_data_format_name): Name it.
1032 (dw2_asm_output_encoded_addr_rtx): Align for it.
1033 * dwarf2out.c (output_call_frame_info): Handle it for personality
1034 routine and LSDA pointers.
1036 * unwind-pe.h (DW_EH_PE_aligned): New.
1037 (base_of_encoded_value): Handle it.
1038 (read_encoded_value_with_base): Likewise.
1039 * unwind-dw2-fde.c (base_from_object): Likewise.
1040 (get_cie_encoding): Likewise.
1042 * config/alpha/elf.h: Remove ecoff commentary.
1043 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1045 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1047 * config.gcc, config/i386/bsd386.h: Do not directly include
1048 i386/386bsd.h. Instead do it via tm_file.
1050 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1052 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
1055 2001-06-05 Pascal Obry <obry@act-europe.fr>
1057 * configure.in: Quote $enable_win32_registry in case the value has
1061 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1063 * print-rtl.c (xspaces): Remove.
1064 (print_rtx): Use printf field-width, rather than xpsaces, to
1066 * toplev.c (main): Disable sibling-call optimization if we are
1067 handling exceptions.
1069 2001-06-05 Bernd Schmidt <bernds@redhat.com>
1071 * reload1.c (reload): Delete all USEs generated during reload.
1073 2001-06-05 scott snyder <snyder@fnal.gov>
1075 * gccbug.in: Fix typo.
1077 2001-06-05 Andreas Jaeger <aj@suse.de>
1079 * builtins.def: Fix definition of __builtin_cosf, it uses float as
1080 parameter and return value.
1082 2001-06-04 Anthony Green <green@redhat.com>
1084 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
1085 machine. This is now done in sparc.h.
1087 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1089 Correct CVS resurrection of invoke.texi.
1090 * doc/invoke.texi: Document new tree dump flags.
1092 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1094 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
1095 for casting an aggregate to its own type. Fixes PR c/2735.
1097 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1099 * doc/texinfo.tex: Update to version 2001-05-24.08.
1101 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1103 * c-common.h (flag_dump_translation_unit): Remove.
1104 (enum tree_dump_index): Define.
1105 (TDF_ADDRESS, TDF_SLIM): New #defines.
1106 (dump_node_to_file): Remove.
1107 (dump_node): Make extern. Add flags.
1108 (dump_flag, dump_enabled_p, dump_begin, dump_end,
1109 dump_switch_p): Prototype.
1110 * c-common.c (flag_dump_translation_unit): Remove.
1111 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
1112 logic. Use dump_switch_p.
1113 * c-dump.h (struct dump_info): Add node and user fields.
1114 (dump_pointer): Declare.
1115 * c-dump.c (dump_node): Make extern. Add flags.
1116 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
1117 (dump_new_line, dump_maybe_newline): Use them.
1118 (dump_pointer): New function.
1119 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
1120 chain or function's body. Dump address, if TDF_ADDRESS set.
1121 (dump_flag): Define.
1122 (dump_node_to_file): Remove.
1123 (struct dump_file_info): New struct.
1124 (dump_files): New array.
1125 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
1126 * c-lang.c (finish_file): Adjust dumping.
1127 * toplev.h (dump_base_name): Make extern.
1128 * invoke.texi: Document new flags.
1130 2001-06-04 Mark Mitchell <mark@codesourcery.com>
1132 * c-tree.h (lang_decl): Add pending_sizes fields.
1133 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
1135 (c_expand_body): Expand them.
1136 (lang_mark_tree): Mark lang_decl:pending_sizes.
1137 * function.c (expand_pending_sizes): New function, broken out
1139 (expand_function_start): ... here.
1140 * tree.h (expand_pending_sizes): Declare it.
1142 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
1144 * doc/install.texi: Update FreeBSD information. Generalize
1145 and update information for alpha-based platforms using ELF.
1147 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
1149 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
1150 (store_parm_decls): Likewise.
1151 * c-typeck.c (convert_arguments): Likewise.
1153 2001-06-04 Richard Henderson <rth@redhat.com>
1155 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
1156 optimization if current_function_calls_setjmp.
1158 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
1160 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
1163 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1165 * simplify-rtx.c (simplify_subreg): Fix combining of
1166 paradoxical subregs.
1168 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1170 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
1171 (no_labels_between_p): Short circuit case beg==end.
1173 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1175 * rtlanal.c (operand_preference): Fix preference for objects.
1177 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1179 * gcse.c (handle_avail_expr): Be prepared to handle single_set
1182 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1184 * combine.c (if_then_else_cond): Use simplify_subreg instead
1186 * integreate.c (sub_constants): Likewise.
1188 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1190 * emit-rtl.c (constant_subword): Deprecate; remove most of code
1191 and use simplify_gen_subreg.
1193 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
1195 * sibcall.c (skip_copy_to_return_value): recognize the situation
1196 when the called function's return value is copied into an
1197 intermediate pseudo, and then into the calling functions return
1200 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1202 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
1203 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
1204 in case register wasn't OK previously, accept it now; allow
1205 subregs of frame pointer if reload completed and frame pointer
1208 * combine.c (sombine_simplify_rtx): Fix comment;
1209 use subreg_lowpart_offset instead of subreg_lowpart_p
1210 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
1211 * rtl.h (subreg_lowpart_parts_p): Kill.
1212 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
1213 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
1214 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
1215 (gen_lowpart_common): Likewise.
1216 (subreg_lowpart_p): Likewise.
1217 (subreg_lowpart_parts_p): Kill.
1218 (subreg_lowpart_offset, subreg_highpart_offset): New function.
1220 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
1221 to simplify SUBREG and REG.
1222 (gen_highpart): Use simplify_gen_subreg for all simplifications.
1224 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
1227 * rtlanal.c (replace_regs): Use simplify_gen_subreg
1229 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1231 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
1232 (ARRAY_RANGE_REF): Added description.
1234 * tree.def (ARRAY_RANGE_REF): New code.
1235 * alias.c (handled_component_p, can_address_p): Handle it.
1236 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
1237 * explow.c (set_mem_attributes): Likewise.
1238 * expr.c (expand_assignment, get_inner_reference): Likewise.
1239 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
1240 * fold-const.c (operand_equal_p): Likewise.
1241 * tree.c (staticp, stabilize_reference): Likewise.
1242 * varasm.c (decode_addr_const): Likewise.
1244 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1246 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
1247 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
1249 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
1251 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
1252 mark_constant_pool_use before output_addr_const.
1253 (struct pool_node): New field wend.
1254 (add_constant): Note a sequence of constants that are referenced
1256 (pool_window_label, pool_window_last): New variables.
1257 (dump_table): Emit a unspec_volatile representing the end of a
1258 sequence of constants.
1259 (mark_constant_pool_use): New function.
1260 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
1261 (consttable_2): Add the second operand which flags whether
1262 this consttable entry was used or not.
1263 (consttable_4, consttable_8, consttable_sf, consttable_df):
1265 (consttable_window_end): New insn.
1267 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1269 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
1270 Reformat according to coding standards.
1273 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
1274 (shl_and_kind): Cast wide constant.
1275 (gen_far_branch): Define as static, as in declaration.
1276 (barrier_align): Compute cache-line length as unsigned. Add
1277 parentheses in initial credit computation.
1278 (rounded_frame_size): Add parentheses.
1279 (permanent_obstack): Remove declaration. Include ggc.h for
1280 declaration of ggc_add_root_rtx().
1281 (get_free_reg): Removed declaration of unused variable reg.
1282 (legitimize_pic_address): Mark mode argument as unused.
1284 2001-06-03 Igor Shevlyakov <igor@windriver.com>
1286 * config/sh/sh.c (output_branch): Support for insn with lenght
1287 attr 12 & 16 which represents cond branches outside +-4096 range.
1289 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1291 * config/sh/lib1funcs.asm (ic_invalidate): Align the
1292 cache-mirroring sequence. Add nops.
1294 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
1296 * doc/install-old.texi: Remove more old installation
1298 * doc/install.texi: Add relevant parts here.
1300 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1302 * doc/install.texi2html: New script.
1304 2001-06-03 David Edelsohn <edelsohn@gnu.org>
1306 * doc/install.texi: Update AIX information again.
1308 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1310 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
1311 installation documentation.
1312 * doc/install.texi: Move it to here.
1314 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1316 * doc/install.texi: Clean up Texinfo markup.
1318 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1320 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
1321 to just after title page.
1323 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1325 * doc/install-old.texi: Remove documentation of some configuration
1327 * doc/install.texi: Add relevant parts of this documentation here.
1329 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1331 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
1332 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
1334 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1336 * i386.md (all uses of ext_register_operand): Make sure they are
1337 VOIDmode; replace all uses outside zero_extend.
1338 (and?i splitters): Use ext_register_operands.
1339 (test?i peep2): Remove ignored constraints.
1340 * i386.c (ext_register_operand): Check that operand is
1341 eighter pseudo or hard or 'Q' register.
1343 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1345 * tree.h (struct record_layout_info_s): New field unpadded_align.
1346 (set_lang_adjust_rli): New declaration.
1347 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
1348 it would have if not packed, do not downgrade DECL_ALIGN.
1349 (lang_adjust_rli, set_lang_adjust_rli): New.
1350 (start_record_layout): Initialize new field unpadded_align.
1351 (debug_rli): Display it.
1352 (place_union_field, place_field): Set it.
1353 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
1355 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
1356 mean that; use proper names instead.
1357 Print DECL_NO_STATIC_CHAIN.
1359 * except.c (expand_builtin_frob_return_addr): Add missing call
1360 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
1361 (expand_builtin_eh_return): Likewise.
1362 (expand_eh_return): Clean up ptr_mode != Pmode cases.
1364 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
1366 * doc/invoke.texi: Remove references to papers about sequence points
1367 to readings.html, refer to that page.
1369 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1371 * README: Update references to installation instructions.
1373 2001-06-01 Laurent Guerby <guerby@acm.org>
1374 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1376 * doc/install.texi: Define srcdir when sources come from CVS.
1377 Significantly improve markup. Wrap overly long lines
1379 2001-06-01 DJ Delorie <dj@redhat.com>
1381 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
1382 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
1383 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
1384 gcov.1: Move to doc subdirectory.
1385 * install.texi: Move to doc/install-old.texi.
1386 * gcc.texi: Move to doc, refer to install-old.texi.
1387 * Makefile.in: Reflect move of docs to doc/.
1388 * f/Make-lang.in: Ditto.
1389 * java/Make-lang.in: Ditto.
1390 * doc/.cvsignore: New.
1392 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1394 * invoke.texi: use two spaces between command options, eliminate
1395 some 'overfull hboxes'
1397 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
1399 * Makefile.in (s-mlib): Make backtick-commands always succeed.
1400 (DRIVER_DEFINES): Ditto.
1402 2001-05-31 Richard Henderson <rth@redhat.com>
1404 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
1405 also link against libgcc.a.
1407 2001-05-31 Geoff Keating <geoffk@cygnus.com>
1409 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
1410 * config/mips/mips.c (mips_output_ascii): New function.
1411 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
1413 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
1415 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1417 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
1418 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
1420 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
1422 * install.texi (Configuration): Add html links for --with-gnu-as &
1423 --with-gnu-ld and refer to them from hppa & SCO triplets.
1424 (Specific): Link back to with-gnu-ld for all ELF platfoms.
1425 (Specific): Reword AVR binutils recommendation.
1427 2001-05-30 Zack Weinberg <zackw@stanford.edu>
1429 * ggc-page.c (size_lookup): Increase minimum allocation size
1431 (ggc_print_statistics): Report size of each bin in bytes, not
1432 as its order; there is no longer a direct relationship.
1434 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1436 * extend.texi: Fix formating of examples, eliminate some
1438 * gcc.texi: Eliminate some 'overfull hboxes'.
1439 * invoke.texi: Use two spaces between command options, eliminate
1440 some 'overfull hboxes'.
1442 2001-05-30 Richard Henderson <rth@redhat.com>
1444 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
1446 2001-05-30 Tom Tromey <tromey@redhat.com>
1448 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
1449 use it in the new association.
1451 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
1452 John David Anglin <dave@hiauly1.hia.nrc.ca>
1454 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
1455 to target type to allow ISO C++ compiler to accept it.
1456 * gthr-dce.h (__gthread_active_ptr): Likewise.
1457 * gthr-solaris.h (__gthread_active_ptr): Likewise.
1459 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1461 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
1462 so that we do accept comments in preprocessed input.
1464 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1466 * cpphash.c (alloc_node): Cast allocated pointer.
1468 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
1470 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
1472 2001-05-29 Stan Shebs <shebs@apple.com>
1474 * gcc.texi: Add links for information about Objective-C.
1476 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
1478 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
1479 /bin/sed fails on [^\"]).
1480 (configargs.h): Likewise.
1482 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1484 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
1486 2001-05-28 Stan Shebs <shebs@apple.com>
1488 * objc/objc.gperf: Remove, no longer used.
1490 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
1492 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1493 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1494 Remove trailing whitespace.
1496 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1498 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1499 became http://freeware.sgi.com/.
1501 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
1503 * local-alloc.c (update_equiv_regs): Don't eliminate constant
1506 2001-05-27 Stan Shebs <shebs@apple.com>
1508 * objc/objc-act.c: Add/fix various comments.
1509 (init_selector): Remove, no longer used.
1510 (build_msg_pool_reference): Ditto.
1511 (objc_debug): Ditto.
1513 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1515 * c-decl.c (init_decl_processing):
1516 Don't call start_identifier_warnings.
1517 * flags.h (warn_id_clash, id_clash_len): Remove.
1518 * stringpool.c: Don't include flags.h.
1519 (scan_for_clashes, do_identifier_warnings,
1520 start_identifier_warnings): Remove.
1521 * toplev.c (warn_id_clash, id_clash_len): Remove.
1522 (display_help): Don't document -Wid-clash.
1523 (decode_W_option): Print warning on -Wid-clash.
1524 * tree.h (start_identifier_warnings): Remove.
1525 * invoke.texi: Remove documentation of -Wid-clash.
1527 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1529 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
1531 2001-05-27 Bruce Korb <bkorb@gnu.org>
1533 * fixinc/check.tpl(HACK) add and use a Scheme variable
1534 (has no test text): error out if no "test_text" is defined
1535 * fixinc/fixincl.tpl: likewise
1536 (FIXIDX): make it an enumeration so we minimize diffs
1537 * fixinc/inclhack.def: re-alphabetize and add sort instructions
1538 * fixinc/fixincl.x: regenerate
1539 * fixinc/tests/base/stdio.h: test output got moved due to
1541 * README-fixinc: rewrite (mostly)
1543 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1545 * cpplib.c (run_directive): Set pfile->directive.
1547 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1549 * c-tree.texi: Reformat the manual as a single chapter now
1550 included by gcc.texi.
1551 * gcc.texi: Include c-tree.texi. Merge all indexes.
1552 * Makefile.in (dvi): Add generation for the cppinternals
1553 documentation. Added dependencies on fdl.texi and c-tree.texi
1554 where appropriate. Use TEXI2DVI instead of custom tex calls.
1555 (info): Added dependencies on fdl.texi and c-tree.texi where
1556 appropriate. Remove the target c-tree.info.
1558 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
1560 * combine.c (try_combine): Fix typo in comment.
1561 * expr.c (expand_expr): Likewise.
1562 * config/i370/i370.md (untyped_call): Likewise.
1564 2001-05-26 Bruce Korb <bkorb@gnu.org>
1566 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1567 when fixincl is operating in test mode
1568 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
1569 (AAB_ultrix_limits): remove redundant text
1570 (AAB_ultrix_memory): ditto
1571 (AAB_ultrix_string): ditto
1572 (djgpp_wchar_h): fix the test text
1573 (irix_stdio_va_list): add test text
1574 (irix_limits_const): add a testing output file (limits.h is overwritten)
1575 (strict_ansi_not_ctd): put limits.h second in list for same reason
1576 (solaris27_mutex_init): test text needed selection text, too
1578 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1579 when fixincl is operating in test mode
1581 2001-05-26 Philip Blundell <philb@gnu.org>
1583 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1584 * config/i960/i960-protos.h: Likewise.
1585 * config/i370/i370-protos.h: Likewise.
1586 * config/h8300/h8300-protos.h: Likewise,
1587 * config/sh/sh-protos.h: Likewise.
1588 * config/v850/v850-protos.h: Likewise.
1590 2001-05-26 Philip Blundell <philb@gnu.org>
1592 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1594 2001-05-25 Zack Weinberg <zackw@stanford.edu>
1596 * toplev.c (debug_args, f_options, W_options): Mark
1597 descriptions for translation.
1598 (display_help): Translate descriptions on output.
1600 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
1601 objc/lang-options.h: Mark descriptions for translation.
1603 * aclocal.m4: Quote final argument of patsubst. Use
1604 3-argument form of AC_DEFINE. Restore quotes to [] while
1606 * configure.in: Remove unnecessary changequote calls.
1607 * configure, config.in: Regenerate.
1609 2001-05-25 Sam TH <sam@uchicago.edu>
1611 * basic-block.h: Fix header include guards.
1612 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
1613 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
1614 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
1615 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
1616 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
1617 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
1618 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
1619 varray.h version.h: Likewise.
1620 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
1621 config/arm/arm.h config/c4x/c4x-protos.h
1622 config/h8300/h8300-protos.h config/h8300/h8300.h
1623 config/i370/i370-protos.h config/i370/i370.h
1624 config/i960/i960-protos.h config/mcore/mcore.h
1625 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
1626 config/v850/v850-protos.h config/v850/v850.h: Likewise.
1627 * fixinc/fixlib.h fixinc/server.h: Likewise.
1629 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
1631 * config/arc/initfini.c (.init): Fix typo.
1633 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
1635 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
1637 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1639 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
1641 2001-05-25 Richard Henderson <rth@redhat.com>
1643 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
1645 2001-05-25 Richard Henderson <rth@redhat.com>
1647 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
1648 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
1649 (sparc*-*-solaris2): Likewise.
1650 * config/t-linux: Remove shared libgcc macros.
1651 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
1652 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
1654 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
1656 * config.gcc (*-*-freebsd*): Report bad configuration.
1658 2001-05-25 David Edelsohn <edelsohn@gnu.org>
1660 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
1662 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
1664 (ASM_OUTPUT_LABELREF): Delete.
1666 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1668 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
1669 strict_ansi_only): Don't run if stdc_0_in_system_headers.
1670 * fixinc/fixincl.x: Regenerate.
1671 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
1672 (FIX_TEST_TABLE): Declare it.
1673 * fixinc/fixlib.h: Include config.h.
1675 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1677 * fixinc/inclhack.def (alpha___assert): Change char * args to
1678 const char * on Tru64 UNIX to avoid excessive warnings from
1680 * fixinc/fixincl.x: Regenerate.
1682 2001-05-25 Geoff Keating <geoffk@redhat.com>
1684 * dbxout.c (dbxout_symbol): Invert previous patch, which was
1685 outputting a tag only for variable-size records.
1687 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
1689 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
1690 instead of rtx_equal_p for early clobber test.
1692 2001-05-26 Mark Mitchell <mark@codesourcery.com>
1694 * builtins.def: Encode additional information, such as names and
1696 * builtin-types.def: New file.
1697 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
1698 (built_in_decls): Likewise. Don't explicitly initialize global
1700 (expand_builtin_mathfn): Handle float and long double variants of
1702 (expand_builtin): Likewise.
1703 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
1704 (expand_tree_builtin): Handle long, long long, float, and long
1705 double variants of math functions.
1706 * c-common.h (c_tree_index): Remove some unused nodes.
1707 (void_ftype): Remove.
1708 (void_type_ptr): Likewise.
1709 (int_ftype_int): Likewise.
1710 (ptr_ftype_sizetype): Likewise.
1711 * c-decl.c (init_decl_processing): Remove creation of DWARF
1713 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
1714 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
1715 * Makefile.in (c-common.o): Depend on builtin-types.def.
1717 2001-05-25 Dale Johannesen <dalej@apple.com>
1719 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
1721 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
1723 * c-parse.in (notype_initdcl): Remove redundant line.
1725 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1727 * aclocal.m4: Fixed typo.
1728 (gcc_AC_HEADER_STDBOOL): Define.
1729 (gcc_AC_C__BOOL): Define.
1730 * configure.in: Use them.
1731 (AC_CHECK_HEADERS): Remove stdbool.h
1732 * configure, config.in: Regenerate.
1734 2001-05-25 Richard Henderson <rth@redhat.com>
1736 * function.c (expand_function_start): Don't abort on PARALLEL
1737 returns from hard_function_value.
1739 2001-05-25 Richard Henderson <rth@redhat.com>
1741 * config/i386/i386.md: Revert previous change. Do not apply
1742 the peephole if the components do not die after the sequence.
1744 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
1746 * c-parse.in (array_declarator): New. Handle C99 constructs.
1747 Don't restrict [*] declarators to C only.
1748 (after_type_declarator, parm_declarator_starttypename,
1749 parm_declarator_nostarttypename, notype_declarator,
1750 direct_absdcl1): Use it.
1751 * c-decl.c (build_array_declarator, set_array_declarator_type):
1752 New functions. Warn that [*] isn't properly implemented; pedwarn
1753 for [*] outside C99 mode if pedantic rather than giving a hard
1755 (grokdeclarator): Handle static and type qualifiers in parameter
1757 * c-tree.h (build_array_declarator, set_array_declarator_type):
1759 * extend.texi (Attribute Syntax): Document attributes in parameter
1762 2001-05-25 Mark Mitchell <mark@codesourcery.com>
1764 * config/i386/i386.md: Make sure cmpstr peepholes do not
1765 affect liveness information.
1767 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1769 * c-typeck.c (digest_init): Issue error messages about
1770 invalid constants, not warnings.
1772 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1774 * invoke.texi (-fno-builtin): Document that this is always on
1777 2001-05-24 Philip Blundell <philb@gnu.org>
1779 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
1782 2001-05-24 Philip Blundell <philb@gnu.org>
1784 * config/arm/arm.c (output_return_instruction): Correctly handle
1785 interworking and interrupt functions.
1787 2001-05-24 Philip Blundell <philb@gnu.org>
1789 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
1790 -m{no-}sched-prolog. Fix typos and improve formatting.
1792 2001-05-24 Philip Blundell <philb@gnu.org>
1794 * invoke.texi (ARM Options): Improve wording slightly. Add
1795 documentation for more options, including those for Thumb mode.
1796 Don't mention options that don't exist or are unimplemented.
1797 (Thumb Options): Delete; merged into above section.
1799 2001-05-24 Geoff Keating <geoffk@redhat.com>
1801 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
1802 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
1804 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1806 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
1807 fix hard register simplification.
1809 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1811 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
1812 of just copying CPP_CPU_SPEC.
1814 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1816 * i386.c (incdec_operand): Accept only 1 and -1.
1818 2001-05-23 Kelley Cook <kelley.cook@home.com>
1820 * Makefile.in: Move many of the *_H definitions eariler in the
1821 file, so that rules in t-* files that use them for
1822 dependencies will work in a parallel build.
1823 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
1825 2001-05-23 Richard Henderson <rth@redhat.com>
1827 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
1829 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1831 * cpp.texi: Update for handling of charconsts.
1832 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
1833 diagnostics. Skip to the end if the UCS is too short.
1834 (cpp_interpret_charconst): Long charconsts issue a warning
1837 2001-05-23 Richard Henderson <rth@redhat.com>
1839 * doc/install.texi (alpha-linux): Require binutils 2.11.
1841 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1843 * c-lex.c (read_escape, read_ucs): Delete.
1844 (lex_string): Use cpp_parse_escape.
1845 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
1846 if not C++ or not C99. Warn if traditional.
1847 (parse_escape): Rename cpp_parse_escape. Make the bitmask
1848 unsigned. Warn for out-of-range escape sequences here.
1849 Update to use maybe_read_ucs.
1850 (cpp_interpret_charconst): Don't warn here.
1851 * cpplib.h (cpp_parse_escape): New exported function.
1853 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
1855 * extend.texi (Attribute Syntax): Clarify application of
1856 attributes to parameters declared as functions or arrays.
1858 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
1860 * dbxout.c (dbxout_type_methods): Do still group methods by name.
1862 2001-05-23 Zack Weinberg <zackw@stanford.edu>
1864 * diagnostic.c (vnotice): Kill.
1865 (fnotice): Call vfprintf directly.
1866 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
1867 verbatim, set_diagnostic_context): Rename string argument to
1868 indicate that it is run through gettext.
1869 (vbuild_message_string, build_message_string, output_do_printf):
1870 Rename string argument to indicate that it is NOT run through
1872 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
1873 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
1874 Run msgid argument through gettext.
1875 (default_print_error_function): Run constant strings through
1876 gettext when nothing else will.
1877 (fatal_error, internal_error, error_recursion): Use fnotice.
1878 Present complete sentences to gettext.
1880 2001-05-23 Mark Mitchell <mark@codesourcery.com>
1882 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
1884 2001-05-23 Richard Henderson <rth@redhat.com>
1886 * function.c (expand_function_start): Always use a pseudo
1887 for the function result value.
1889 2001-05-22 Richard Henderson <rth@redhat.com>
1891 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
1892 section pointer alignment.
1894 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
1896 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
1897 of __USER_LABEL_PREFIX__.
1899 2001-05-22 Richard Henderson <rth@redhat.com>
1901 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
1902 (__deregister_frame_info_bases): New.
1903 * unwind-dw2-fde.h: Declare it.
1904 * libgcc-std.ver: Export it.
1905 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
1906 called __register_frame_info_bases.
1908 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1910 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
1911 instead of #elif (which is OK for this case but not in general).
1913 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
1915 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
1916 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
1917 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
1918 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
1919 "r2" to the assembly file. Only issue allocs with non-zero parameters.
1921 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1922 David O'Brien <obrien@freebsd.org>
1924 * config/freebsd.h (LIB_SPEC): Key the exact setting to
1925 configure-time options and target version of FreeBSD. Set-up
1926 to match architectural change in threading support. Correctly
1927 report when -pthread option is not supported by configure-time
1929 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
1930 and extend to encode target version number in run-time setting
1931 of __FreeBSD__ macro to match the system compiler.
1932 (CPP_PREDEFINES): Likewise.
1933 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
1935 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
1936 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
1938 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1939 David O'Brien <obrien@freebsd.org>
1941 * config.gcc (the unlabeled system switch statement): Add
1942 generic configuration section to handle *-*-freebsd*. Also,
1943 to match the system compiler, default to threading support (it
1944 may be disabled with the standard --disable-threads
1945 configuration-time switch).
1946 (i[34567]86-*-freebsd* in machine-specific section): Use it.
1947 (alpha*-*-freebsd* in machine-specific section): Likewise.
1949 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
1950 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
1951 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
1952 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
1953 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
1955 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1956 David O'Brien <obrien@freebsd.org>
1958 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1959 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
1960 -pthread instead setting macro.
1962 2001-05-22 Richard Henderson <rth@redhat.com>
1964 * crtstuff.c (__register_frame_info_bases): Declare.
1965 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
1966 (__do_global_dtors_aux, __do_global_dtors): Streamline.
1968 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1969 (CRT_GET_RFIB_DATA): New.
1970 * config/i386/sysv4.h: Likewise.
1971 * config/i386/sco5.h: Likewise.
1972 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1974 2001-05-22 Richard Henderson <rth@redhat.com>
1976 * rtl.c (read_string): Break out from ...
1977 (read_rtx): ... here.
1979 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1981 * doc/install.texi (Specific): Remove a bogus and duplicate part
1982 copied from the end of the document.
1984 2001-05-22 Bernd Schmidt <bernds@redhat.com>
1986 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
1988 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1990 * install.texi: Remove obsolete information on SunOS as well as
1991 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
1992 (Installing GNU CC on the Sun): Remove section.
1994 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
1996 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
1997 keep errno unchanged on success.
1999 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
2001 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
2002 once for hexadecimal floats, whether or not they contain a decimal
2003 point. Don't let the setting of pedantic otherwise affect the
2004 parsing of hexadecimal floats.
2006 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2008 * README.ACORN: Remove obsolete file.
2010 2001-05-22 Jan Hubicka <jh@suse.cz>
2012 * combine.c (gen_binary): Use swap_commutative_operands_p
2013 (simplify_comparison): Likewise.
2014 * expmed.c (emit_store_flag): Likewise.
2015 * expr.c (compare_from_rtx): Likewise.
2016 (do_compare_rtx_and_jump): Likewise.
2017 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
2018 if not emitting a branch and operands want swapping.
2020 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
2022 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
2023 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
2024 (maybe_get_identifier): Update.
2025 * tree.h (make_identifier): Delete.
2027 2001-05-21 Richard Henderson <rth@redhat.com>
2029 * combine.c (subst): Do not substitute for a register as
2030 a destination subreg/strict_low_part/zero_extract.
2032 * combine.c (simplify_comparison): Update op1 after constant
2034 * recog.c (const_int_operand): Accept only constants valid
2036 * genrecog.c: Update comments wrt const_int_operand.
2038 * emit-rtl.c (init_emit_once): Zero unused memory in a
2041 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2043 * tree.h (type_num_arguments): Declare it.
2044 * tree.c (type_num_arguments): New function.
2046 2001-05-21 Richard Henderson <rth@redhat.com>
2048 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
2051 2001-05-21 Geoff Keating <geoffk@redhat.com>
2053 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
2055 (minsf3): Use rs6000_emit_minmax.
2056 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
2058 (movsfcc): Use rs6000_emit_cmove.
2059 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
2060 Don't generate emit_fselsfsf4.
2061 (fseldfsf4): Likewise.
2062 (maxdf3): Use rs6000_emit_minmax.
2064 (mindf3): Use rs6000_emit_minmax.
2065 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
2067 (movdfcc): Use rs6000_emit_cmove.
2068 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
2069 Don't generate emit_fselsfsf4.
2070 (fselsfdf4): Likewise.
2071 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
2072 (min_max_operator): New predicate.
2073 (rs6000_emit_cmove): New function.
2074 (rs6000_emit_minmax): New function.
2075 * config/rs6000/rs6000-protos.h: Prototype new functions.
2076 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
2077 and min_max_operator.
2079 * config/rs6000/rs6000.c (output_cbranch): Handle all
2080 conditional types in the switch statement.
2082 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2084 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
2085 non-register variables.
2086 * extend.texi: Document that asm-specifications do not make sense
2087 for non-static local variables.
2089 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
2091 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
2092 (dbxout_type_fields): Lose minimal_debug support.
2093 (dbxout_type_methods, dbxout_type): Likewise.
2095 2001-05-17 Andrew Haley <aph@redhat.com>
2097 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2099 2001-05-21 Richard Henderson <rth@redhat.com>
2101 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
2104 2001-05-20 Richard Henderson <rth@redhat.com>
2106 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2107 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
2108 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
2109 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2110 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
2112 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2113 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
2114 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
2115 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2116 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2117 DEBUG_PUBNAMES_SECTION): Rename as above.
2118 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2120 2001-05-20 Richard Henderson <rth@redhat.com>
2122 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
2123 operands unless the operation is commutative.
2125 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2127 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
2130 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
2132 * extend.texi: Clarify documentation of extensions included in ISO
2133 C99. Prefer C99 terminology and syntax to old GNU terminology and
2134 syntax. Add more index entries. Document mixed declarations and
2135 code as an extension in C89 mode. Warn about future changes to
2136 semantics of inline functions. Fixes PR other/930.
2138 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2140 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
2141 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2142 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
2143 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2145 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
2147 2001-05-20 Richard Henderson <rth@redhat.com>
2149 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
2150 to be output before a branch.
2152 2001-05-20 Richard Henderson <rth@redhat.com>
2154 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
2156 2001-05-20 Richard Henderson <rth@redhat.com>
2158 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
2159 (ASM_DOUBLE): Remove.
2160 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
2161 * config/i386/sun386.h: Likewise.
2163 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
2164 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
2166 * config/i386/cygwin.h (INT_ASM_OP): Remove.
2167 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
2168 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
2169 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
2171 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
2172 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
2173 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
2174 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
2175 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
2176 * config/i386/win32.h: Likewise.
2178 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2180 * invoke.texi: Add more options to summary list.
2182 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2184 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
2185 used. Fixes PR c/2291.
2186 * gcc.1: Regenerate.
2188 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2190 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
2191 the -fpic and -fPIC options, clear flag_pic.
2193 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2195 * hashtable.c (calc_hash): Fix HASHSTEP definition.
2196 * stringpool.c (make_identifier): No statistics here anymore.
2197 * objc-act.c (steup_string_decl): Remove redundant check.
2199 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2201 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
2202 cpplib.o, cpphash.o, fix-header): Update.
2203 (hashtable.o): New target.
2204 * c-common.h: Include cpplib.h. Define C_RID_CODE and
2205 struct c_common_identifier here.
2206 * c-lang.c (c_init_options): Update. Call set_identifier_size.
2207 * c-lex.c (c_lex): Update.
2208 * c-pragma.h: Update.
2209 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
2211 (C_RID_CODE): Delete.
2212 * cpphash.c: Rewrite to use hashtable.c.
2213 * cpphash.h: Update include guards.
2214 (struct cpp_reader): Remove hashtab.
2215 hash_ob and buffer_ob are no longer pointers. Add hash_table
2217 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
2218 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
2219 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
2220 * cppinit.c (cpp_create_reader): Update.
2221 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
2222 (cpp_interpret_charconst): Eliminate warning.
2223 * cpplib.c (do_pragma, do_endif, push_conditional,
2224 cpp_push_buffer, cpp_pop_buffer): Update.
2225 (_cpp_init_stacks): Rename cpp_init_directives.
2226 (_cpp_cleanup_stacks): Remove.
2227 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
2228 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
2229 cpp_forall_identifiers, cpp_create_reader): Update.
2230 (C_RID_CODE, cpp_make_node): New.
2231 (c_common_identifier): New identifier node for C front ends.
2232 * cppmain.c (main): Update.
2233 * fix-header.c (read_scan_file): Update.
2234 * flags.h (id_clash_len): Make unsigned.
2235 * ggc.h (ggc_mark_nonnull_tree): New.
2238 * stringpool.c: Update comments and copyright. Update to use
2240 * toplev.c (approx_sqrt): Move to hashtable.c.
2241 (id_clash_len): Make unsigned.
2242 * toplev.h (ident_hash): New.
2243 * tree.c (gcc_obstack_init): Move to hashtable.c.
2244 * tree.h: Include hashtable.h.
2245 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
2246 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
2247 (struct tree_identifier): Update.
2248 (make_identifier): New.
2250 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
2251 (C_RID_CODE): Remove.
2252 * lex.c (cxx_init_options): Call set_identifier_size. Update.
2253 (init_parse): Don't do it here.
2255 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
2257 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
2259 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
2261 (expand_eh_return): Convert between word_mode and Pmode.
2262 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
2264 (execute_stack_op): Likewise.
2265 (execute_cfa_program): Likewise.
2266 (uw_frame_state_for): Likewise.
2267 (uw_update_context_1): Likewise.
2268 * unwind.inc (_Unwind_Reason_Code): Likewise.
2269 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
2270 (EH_RETURN_STACKADJ_RTX): Likewise.
2271 * config/mips/mips.c (compute_frame_size): Make space for saving
2272 EH return registers.
2273 (mips_expand_epilogue): Handle EH stack adjustments.
2274 * config/mips/mips.md (eh_return): New pattern.
2275 (eh_set_lr_si): Likewise.
2276 (eh_set_lr_di): Likewise.
2277 Add splitter to perform EH return after reload.
2279 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2281 * jump.c (mark_jump_label): Tidy previous change.
2283 2001-05-19 Bruce Korb <bkorb@gnu.org>
2285 * fixinc/genfixes: no need for two warnings
2286 * fixinc/Makefile.in: open stdin for those building with a closed one.
2288 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2290 * jump.c (jump_optimize_1): Tidy.
2291 (mark_jump_label): When changing the label in a LABEL_REF, change
2292 update any REG_EQUAL notes as well.
2294 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
2296 * c-parse.in (parm_declarator): Split into
2297 parm_declarator_starttypename and parm_declarator_nostarttypename.
2298 (parm_declarator_starttypename, parm_declarator_nostarttypename):
2299 New. Allow parenthesised sub-declarators which don't begin with a
2300 TYPENAME. Fixes PR c/166.
2302 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2304 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
2306 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2308 * toplev.c (main): If the target does not allow profiling without
2309 a frame pointer, issue an error message.
2310 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2313 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2315 * recog.c (general_operand): Modify last change to allow it if reload
2318 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2320 * recog.c (general_operand): Prohibit nonzero subreg bytes on
2321 subregs containing mem.
2323 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
2325 * regrename.c (regrename_optimize): frame pointer register can
2328 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
2330 * README.DWARF: Move into dwarfout.c.
2332 2001-05-18 Dale Johannesen <dalej@apple.com>
2334 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
2335 specific misuse of r0 as a reload address.
2337 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2339 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
2342 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2344 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
2345 (add_to_sequence): Make that decision type.
2346 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
2347 (write_switch, write_cond, debug_decision_2): Likewise.
2349 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
2351 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
2354 2001-05-18 Stan Shebs <shebs@apple.com>
2356 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
2357 * configure: Regenerate.
2359 2001-05-18 Per Bothner <per@bothner.com>
2361 Changes needed for java/jvspec.c
2362 * gcc.h (n_infiles, outfiles): Add declarations.
2363 * gcc.c (n_infiles, outfiles): Mske no longer static.
2365 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
2367 * config/pa/som.h (EXCEPTION_SECTION): Define.
2369 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
2371 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
2373 Add have_location_lists, a variable to determine whether we need a
2374 .debug_loc section or not.
2375 (enum dw_val_class): Add dw_val_class_loc_list.
2376 (dw_val_struct): Add val_loc_list.
2377 (dw_loc_list_struct): New structure, represents location lists.
2378 (new_loc_list): New function, return a new location list, given
2379 the range and location expression.
2380 (add_loc_descr_to_loc_list): New function, add a location
2381 expression to a location list, given the expression and range.
2382 (output_loc_list): New function, output a location list.
2383 (gen_internal_sym): Modified to take symbol prefix, so we can
2384 reuse it for location list symbols.
2385 (add_AT_loc_list): New function, add a location list to a DIE at
2386 the named attribute.
2387 (AT_loc_list): New function, return the location list reference
2388 for a given attribute, if it's a location list.
2389 (print_die): Handle dw_val_class_loc_list.
2390 (size_of_die): Ditto.
2391 (value_format): Ditto.
2392 (output_die): Ditto.
2393 (output_location_lists): New function, output all of the location
2394 lists for a DIE and it's children.
2395 (dwarf2out_finish): Call output_location_lists if we have location
2399 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2401 * gcse.c (try_replace_reg): First try global replace, later try to
2402 simplify the expression.
2404 * gcse.c (find_used_regs): Change calling convention; work via
2406 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
2408 2001-05-18 Bernd Schmidt <bernds@redhat.com>
2411 2001-02-09 Nick Clifton <nickc@redhat.com>
2412 * config/arm/arm.md: Change output constraint on post inc
2413 load/store multiple patterns to be a read/write constraint.
2415 2001-05-18 Mark Mitchell <mark@codesourcery.com>
2417 * basic-block.h (struct basic_block_def): Add documentation about
2418 what a basic block is, and what the various fields are used for.
2419 * flow.c (calculate_globlal_regs_live): Add documentation about
2420 how the algorithm works, and how we know that it will terminate.
2421 Check that the the inductive assumption that guarantees
2422 termination actually holds.
2423 (mark_used_regs): Treat conditionally set registers as used.
2424 (debug_regset): Add comment.
2425 * rtl.texi (cond_exec): Add documentation.
2427 * function.c (expand_function_start): Avoid creating BLKmode
2430 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2432 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
2433 DIE, even if it has no children.
2434 (dwarf2out_finish): Always output the line-number table, even if
2437 2001-05-18 David Edelsohn <edelsohn@gnu.org>
2439 * rs6000.md (movsfcc,movdfcc): Remove NE case.
2441 2001-05-17 Bruce Korb <bkorb@gnu.org>
2443 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
2444 * fixinc/genfixes: emit a warning if AutoGen is out of date
2446 2001-05-17 Brendan Conoboy <blc@cygnus.com>
2447 Bruce Korb <bkorb@gnu.org>
2449 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
2450 found in fixinc directory. Facilitates binary distributions.
2452 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
2454 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
2457 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
2459 * dwarf2out.c (modified_type_die): Equate qualified type to die.
2461 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2463 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
2464 (simplify_subreg): Handle complex types represented as CONCAT.
2466 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
2467 * rtl.h (swap_commutative_operands_p): Declare.
2468 * rtlanal.c (swap_commutative_operands_p): New.
2469 (operand_preference): New static function.
2471 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
2472 (gen_binary): Likewise.
2473 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
2474 * simplify-rtx.c (simplify_gen_binary,
2475 simplify_gen_relational): Likewise.
2477 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2479 * cse.c (fold_rtx): Use simplify_subreg.
2481 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
2482 (simplify_gen_subreg): New.
2483 (simplify_rtx): Use simplify_subreg.
2484 * rtl.h (simplify_gen_subreg): Declare.
2486 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2488 * doc/install.texi: Update Solaris information.
2490 * except.h (protect_cleanup_actions): Remove it.
2491 (lang_protect_cleanup_actions): Declare it.
2492 * except.c (protect_cleanup_actions): Remove it.
2493 (lang_protect_cleanup_actions): New variable.
2494 (init_eh): Don't make protect_cleanup_actions a GC root.
2495 (expand_eh_region_and_cleanup): Call
2496 lang_protect_cleanup_actions.
2497 (output_function_exception_table): Remove unused `align'
2499 * varasm.c (assemble_external): Abort if we have not yet
2500 opened the assembly output file.
2502 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
2504 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2505 for eh_personality_libfunc.
2507 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2509 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
2510 when calling simplify_subreg. This is needed to allow replacing
2511 of expression of one mode by expression of different mode.
2513 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2515 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
2517 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2519 * expr.c (protect_from_queue): Protect against subsequent calls to
2521 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2524 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
2526 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
2528 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2530 * gccbug.in (CATEGORIES): Add "bootstrap".
2532 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2534 * simplify-rtx.c (simplify_subreg): Break out from ...
2535 * combine.c (combine_splify_rtx) ... here and ...
2536 * recog.c (validate_replace_rtx_1): ... here;
2537 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
2538 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
2539 (subreg_lowpart_p): ... here.
2541 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2543 * stmt.c (expand_asm_operands): For inout operands, make sure
2544 the substitution of '=' for '+' makes it into the rtl.
2546 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
2547 (reload_as_needed): Call update_eliminable_offsets a bit later.
2549 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2551 * gcc.texi (gccbug): Refer to the web pages for detailed information
2554 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2556 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
2558 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
2559 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
2560 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
2561 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
2562 * cross-make: Don't set LIBGCC1.
2563 * mklibgcc.in: Delete all code for building from libgcc1.c.
2564 Always honor LIB1ASMFUNCS if set.
2566 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
2567 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
2568 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
2569 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
2570 config/i386/uwin.asm, config/m68hc11/larith.asm,
2571 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
2572 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
2573 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
2574 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
2575 Delete or update references to libgcc1 in commentary.
2577 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
2578 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
2579 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
2580 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
2581 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
2582 config/arm/t-semi, config/arm/t-strongarm-coff,
2583 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
2584 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
2585 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
2586 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
2587 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
2588 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
2589 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
2590 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
2591 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2592 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
2593 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
2594 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
2595 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
2596 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
2597 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
2598 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
2599 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
2600 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
2601 config/mips/t-ultrix, config/mn10200/t-mn10200,
2602 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
2603 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
2604 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
2605 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
2606 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
2607 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
2608 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
2609 config/sparc/t-sparclite, config/sparc/t-splet,
2610 config/sparc/t-sunos41, config/sparc/t-vxsparc,
2611 config/sparc/t-vxsparc64, config/v850/t-v850:
2612 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
2614 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
2615 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
2616 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
2617 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
2618 nongcc_SI_type, nongcc_word_type, or perform_*
2619 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
2621 * config/i386/386bsd.h, config/i386/beos-elf.h,
2622 config/i386/linux-aout.h, config/i386/linux-oldld.h,
2623 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
2624 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
2625 Don't include i386/perform.h.
2627 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
2628 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
2629 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
2630 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
2631 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
2632 config/vax/t-openbsd, config/vax/t-vax: Delete.
2634 * config.gcc: Remove references to deleted files.
2635 (arm-semi-aof): Use arm/t-semi for tmake_file.
2637 * gcc.texi, install.texi, invoke.texi, tm.texi:
2638 Delete or rewrite text which is no longer relevant now that
2639 libgcc1 no longer exists.
2641 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
2642 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
2644 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
2645 Bruce Korb <bkorb@gnu.org>
2647 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
2650 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2652 * i386.md: Add two peepholes to clean up code generated by
2655 2001-05-16 Richard Henderson <rth@redhat.com>
2657 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
2658 variants of non-absolute encodings.
2660 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2662 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
2663 __register_frame_info_table_bases): Export.
2665 2001-05-16 Richard Henderson <rth@redhat.com>
2667 * except.c (eh_data_format_name): Move to ...
2668 * dwarf2asm.c: ... here. Use designated initializers if available.
2669 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
2670 * dwarf2asm.h: Update declarations.
2671 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
2672 ASM_PREFERRED_EH_DATA_FORMAT.
2673 (output_call_frame_info): Likewise. Use 'L' augmentation for
2676 * unwind-dw2-fde.h (struct fde_vector): New.
2677 (struct old_object): Rename from struct object.
2678 (struct object): New.
2679 (__register_frame_info_bases): Declare.
2680 (__register_frame_info_table_bases): Declare.
2681 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
2682 * unwind-dw2-fde.c (objects): Remove.
2683 (unseen_objects, seen_objects): New.
2684 (__register_frame_info_bases): New.
2685 (__register_frame_info): Use it.
2686 (__register_frame_info_table_bases): New.
2687 (__register_frame_info_table): Use it.
2688 (__deregister_frame_info): Rewrite for changed object struct.
2689 (base_from_object, get_cie_encoding, get_fde_encoding): New.
2690 (fde_unencoded_compare): Rename from fde_compare; uninline.
2691 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
2692 (start_fde_sort): Adjust for new definition of fde_vector.
2693 (fde_insert): Likewise.
2694 (end_fde_sort): Likewise. Select comparison function based
2695 on properties of the object.
2696 (fde_split): Take object and fde_compare_t arguments.
2697 (frame_heapsort, fde_merge): Likewise.
2698 (classify_object_over_fdes): Rename from count_fdes. Handle
2699 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
2701 (add_fdes): Handle encoded pointers.
2702 (init_object): Rename from frame_init. Update for new struct object.
2703 (linear_search_fdes): Rename from search_fdes. Handle encoded
2705 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
2706 (binary_search_single_encoding_fdes): New.
2707 (binary_search_mixed_encoding_fdes): New.
2708 (search_object): New.
2709 (_Unwind_Find_FDE): Update for new struct object. Fill in
2711 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
2712 iterating over EH data.
2713 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
2714 fde_encoding, lsda_encoding.
2715 (read_uleb128, read_sleb128): Remove.
2716 (read_encoded_pointer): Remove. All callers use read_encoded_value.
2717 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
2718 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
2720 * unwind-pe.h: Add "struct" to _Unwind_Context references.
2722 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2724 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
2725 * cpphash.c (_cpp_lookup_with_hash): Similarly.
2726 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
2727 cpp_spell_token, cpp_output_token): Similarly.
2728 * cpplib.c (lex_macro_node, do_undef, do_pragma,
2729 do_pragma_poison, parse_assertion, do_assert): Similarly.
2730 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
2731 save_parameter, _cpp_create_definition, check_trad_stringification,
2732 cpp_macro_definition): Similarly.
2733 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
2734 * c-lex.c (cb_undef, c_lex): Similarly.
2735 * fix-header.c (recognized_function): Similarly.
2736 * cpplib.h (NODE_LEN, NODE_NAME): New.
2737 (cpp_hashnode): Rename length len.
2739 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
2741 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
2744 2001-05-16 Andreas Jaeger <aj@suse.de>
2746 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
2748 * toplev.c: Include dwarf2asm.h for prototype of
2749 dw2_output_indirect_constants.
2751 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2753 * stmt.c (expand_asm_operands): Be able to offload addressof
2754 expression to memory. (PR optimization/185)
2756 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
2758 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
2759 applying distributive law.
2761 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2763 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
2765 * gthr-dce.h (UNUSED): Attribute unused macro.
2766 (__gthread_key_dtor): Make arguments UNUSED.
2767 (__gthread_key_delete): Revise for compatibility with DRAFT4
2770 2001-05-16 David Edelsohn <edelsohn@gnu.org>
2772 * doc/install.texi: Update AIX information.
2773 * README.RS6000: Remove obsolete file.
2775 2001-05-16 Jakub Jelinek <jakub@redhat.com>
2776 Nathan Sidwell <nathan@codesourcery.com>
2778 * gcc.c (give_switch): Don't write before start of string.
2779 Always append suffix.
2781 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
2783 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
2786 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2788 * README.ALTOS: Remove obsolete file.
2790 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2792 * c-lex.h (save_and_forget_protocol_qualifiers,
2793 forget_protocol_qualifiers, remember_protocol_qualifiers):
2794 Remove deleted functions' prototypes.
2796 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2798 * c-parse.in (methodtype): New production.
2799 (methoddef, methodproto): Collapse separate '-' and '+'
2802 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2804 * c-common.h (RID_FIRST_PQ): New.
2805 * c-parse.in (objc_pq_context): New.
2806 (objc parser): Set objc_pq_context rather than calling
2807 remember_protocol_qualifiers and forget_protocol_qualifiers.
2808 Don't call save_and_forget_protocol_qualifiers.
2809 (yylexname): Handle objc protocol qualifiers here.
2810 * stringpool.c (struct str_header): Replace with sp_hashnode.
2811 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
2812 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
2813 Allocate an IDENTIFIER_NODE for each identifier.
2814 (FORALL_STRINGS, set_identifier): Delete.
2815 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
2816 (ggc_alloc_string): Use an obstack.
2817 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
2818 * tree.h: Update comments.
2819 (set_identifier): Delete.
2820 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
2821 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
2822 remember_protocol_qualifiers): Delete.
2824 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
2826 * flow.c (life_analysis): After life analysis is complete, do
2827 an optional scan over insns looking for REG_LABEL notes that
2828 reference a deleted label.
2829 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
2830 before peeking at LABEL_NUSES.
2832 2001-05-15 Richard Henderson <rth@redhat.com>
2834 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
2835 (_Unwind_GetTextRelBase): New.
2837 2001-05-15 Mark Mitchell <mark@codesourcery.com>
2839 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
2841 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
2843 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
2844 so that CHOOSE_SECTION gets used.
2846 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
2847 TARGET_RELOCATABLE like flag_pic for now.
2849 2001-05-15 David Edelsohn <edelsohn@gnu.org>
2851 * rs6000.md (movdi splitter): Sign extend more efficiently.
2852 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
2853 to "long long" valid on 32-bit and 64-bit hosts.
2854 (logical_operand): Cast trunc_int_for_mode return value.
2855 (rs6000_emit_move): Shift macro to encapsulate variable.
2856 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
2857 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
2858 plus_constant requires signed argument.
2860 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
2862 * gthr-posix.h: Make additional pthread-* functions weak.
2864 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
2866 * recog.c (apply_change_group): Avoid unneeded validating.
2868 2001-05-14 David Edelsohn <edelsohn@gnu.org>
2870 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
2871 (num_insns_constant): CONST_INT can be 64-bits.
2873 2001-05-14 Stan Shebs <shebs@apple.com>
2875 * config/darwin.h (LIB_SPEC): Just use -lSystem.
2876 (LIBGCC_SPEC): Don't define.
2878 2001-05-14 Richard Henderson <rth@redhat.com>
2880 * configure.in (gcc_cv_as_eh_frame): New test.
2881 * config.in, configure: Rebuild.
2882 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
2884 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2886 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
2887 extended precision divide.
2889 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2891 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
2892 for RETURNS as well.
2894 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2896 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
2897 (CPP_CPU??_SIZE_TYPE): New.
2898 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
2899 (CPP_CPU_SPEC): ... here; support choosing of CPU.
2900 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
2901 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
2903 * i386.c (override_options): Add sorry about not suported modes.
2905 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
2907 * config/pa/som.h (NM_FLAGS): Remove.
2908 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
2909 (ASM_OUTPUT_SECTION_NAME): Remove.
2910 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
2912 2001-05-14 Mark Mitchell <mark@codesourcery.com>
2914 * regrename.c (regrename_optimize): Do not rename registers to
2917 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
2919 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
2920 contain MEMs. Remove useless distinction about clobbering
2923 2001-05-13 Geoff Keating <geoffk@redhat.com>
2925 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
2926 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
2927 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
2928 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2929 (EXCEPTION_SECTION): Define.
2931 2001-05-13 Zack Weinberg <zackw@stanford.edu>
2933 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
2934 binary backward compat only.
2935 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
2936 in LIB2FUNCS. Pass it to mklibgcc.
2937 * mklibgcc.in: Handle LIB2FUNCS_ST.
2939 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
2941 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
2943 * tm.texi (THREAD_MODEL_SPEC): Document it.
2944 * gcc.c (main): Use it.
2945 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
2946 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
2948 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2950 * rtl.h (SYMBOL_REF_WEAK): New macro.
2951 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
2952 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
2953 * rtl.texi (SYMBOL_REF_WEAK): Document it.
2954 * gcc.texi: Remove wrong description.
2956 2001-05-13 Mark Mitchell <mark@codesourcery.com>
2958 * Makefile.in (STAMP): New macro.
2959 Replace all uses of `touch' with $(STAMP).
2960 * fixinc/Makefile.in: Likewise.
2962 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2964 * configure.in: ldopen is never in -lexc, so don't test for it.
2965 Add test for exc_resume in -lexc for Ada.
2966 * configure: Regenerated.
2968 2001-05-12 Richard Henderson <rth@redhat.com>
2970 * dwarf2asm.c (size_of_encoded_value): New function.
2971 * dwarf2asm.h: Declare it.
2972 * except.c (output_function_exception_table): Align the TType
2973 array only as wide as the encoding.
2975 2001-05-12 Zack Weinberg <zackw@stanford.edu>
2977 * extend.texi: Document #pragma GCC java_exceptions.
2979 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2981 * c-parse.in (bison parser, init_reswords): Remove uses of
2983 * c-tree.h (doing_objc_thang): Remove.
2985 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2987 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
2988 about files not ending in newlines.
2990 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2992 * dwarfout.c (dwarfout_init): Add cast.
2993 * sched-deps.c (sched_analyze_insn): Remove unused vars.
2994 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
2996 * method.c (build_mangled_C99_name): Remove unused prototype.
2998 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3000 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
3002 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3004 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
3005 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
3007 2001-05-11 Richard Henderson <rth@redhat.com>
3009 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3010 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
3011 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
3012 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
3013 (dw2_output_indirect_constants): Prototype.
3014 * dwarf2out.c (dwarf2out_begin_prologue): Generate
3015 current_function_func_begin_label if we'll need it for EH. Exit
3016 early for IA64_UNWIND_INFO.
3017 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
3018 (eh_data_format_name): Update for indirect references.
3019 (output_function_exception_table): Care for IA64_UNWIND_INFO.
3020 Handle ASM_PREFERRED_EH_DATA_FORMAT.
3021 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
3022 define HAVE_eh_return etc.
3023 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
3024 (final_end_function): Don't call output_function_exception_table.
3025 * toplev.c (compile_file): Call dw2_output_indirect_constants.
3026 (rest_of_compilation): Invoke output_function_exception_table
3027 for ia64 before assemble_end_function.
3028 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
3029 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
3031 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
3032 * unwind.h: Declare them.
3033 * libgcc-std.ver: Export them.
3034 * unwind-pe.h: New file.
3036 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3038 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
3040 (find_fde_for_dso): Extract DT_PLTGOT.
3041 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
3042 the segment and gp as well.
3043 * config/ia64/frame-ia64.c: Remove file.
3044 * config/ia64/frame-ia64.h: Remove file.
3045 * config/ia64/unwind-ia64.c: New file.
3046 * config/ia64/unwind-ia64.h: New file.
3047 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
3048 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
3049 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
3050 (ASM_PREFERRED_EH_DATA_FORMAT): New.
3051 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
3052 (IA64_UNWIND_INFO): Re-enable.
3053 (HANDLER_SECTION): Remove.
3054 (EH_RETURN_DATA_REGNO): New.
3055 * config/ia64/ia64.md (exception_receiver): Remove.
3056 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
3057 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
3059 2001-05-11 Richard Henderson <rth@redhat.com>
3061 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
3062 calls and jumps to be bundled together.
3063 (ia64_reorg): Emit a break after a noreturn call that ends
3065 * config/ia64/ia64.md (break_f): New.
3067 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3069 * c-lex.c (lex_charconst): Convert into a simple wrapper
3070 around cpp_interpret_charconst, to which most of the code
3072 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
3073 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
3074 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
3075 (lex): Use cpp_interpret_charconst.
3076 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
3077 hex_digit_value): New functions.
3078 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
3079 * cpplib.h (cpp_interpret_charconst): New prototype.
3080 * Makefile.in: Update.
3082 2001-05-12 Dean Wakerley <dean@wakerley.com>
3084 * doc/install.texi: New file. Converted to texinfo from the HTML
3085 documentation in wwwdocs/htdocs/install.
3087 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
3089 * gcse.c (insert_insn_end_bb): Do not search for assignments to
3090 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3092 * toplev.c (compile_file): Move comment for opening output
3093 file to just before the code that opens the output file.
3095 2001-05-11 Jakub Jelinek <jakub@redhat.com>
3097 * regmove.c (regmove_optimize): Suppress the optimization for
3098 unchanging destination register. Add comment above function.
3100 2001-05-11 Zack Weinberg <zackw@stanford.edu>
3102 * Makefile.in: Exterminate all references to assert.h.
3103 * cross-make: Likewise.
3105 * configure.in: Correct commentary.
3106 * configure: Regenerate.
3108 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
3111 * config/t-freebsd, config/t-linux, config/t-linux-aout,
3112 config/t-netbsd, config/t-rtems, config/x-linux,
3113 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
3114 No need to override INSTALL_ASSERT_H.
3116 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
3117 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
3118 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
3120 2001-05-11 Graham Stott <grahams@redhat.com>
3122 * combine.c (simplify_comparison): Fix typo.
3124 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3126 * loop.h (struct movables): Remove `num'.
3127 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
3128 Adjust call to strength_reduce.
3129 (num_unmoved_movables): New function.
3130 (move_movables): Don't set movables->num.
3131 (strength_reduce): Compute the number of instructions in the loop
3132 here, rather than in the caller.
3133 (check_dbra_loop): Always clear reversible_mem_store if there
3134 are any memory sets.
3135 (loop_regs_scan): Don't count instructions here.
3136 (count_insn_in_loop): New function.
3138 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3140 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
3142 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
3144 * c-common.c (finish_label_expr): New function, lifted from
3145 from cp/semantics.c.
3146 * c-common.h (finish_label_expr, lookup_label): New prototypes.
3147 * c-parse.in: Move 3 blocks of parser code into new functions.
3148 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
3149 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
3150 (lookup_label): Remove.
3152 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
3154 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
3155 FLOAT_BIT_ORDER_MISMATCH.
3157 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3159 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
3160 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
3162 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3164 * expr.c (emit_group_load): extract_bit_field requires a REG or
3167 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
3169 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
3170 a computed jump into an unconditional jump.
3171 In second hunk of code for collapsing computed and conditional jumps
3172 into unconditional jumps, reemit the jump in additional cases.
3174 * jump.c (jump_optimize_1): Do not wrap the new jump target
3175 inside a LABEL_REF; gen_jump will do that automatically.
3177 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
3179 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
3180 contents for a SYMBOL_REF in case of floating point constants.
3182 2001-05-10 DJ Delorie <dj@redhat.com>
3184 * c-common.c (combine_strings): Widen strings in a
3185 host-endian-independent way.
3187 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
3189 * c-parse.in: Remove many shift/reduce conflicts. Update
3191 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
3192 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
3193 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
3194 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
3195 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
3196 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
3197 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
3198 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
3199 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
3200 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
3201 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
3202 typespec_reserved_nonattr, typespec_reserved_attr,
3203 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
3204 structsp_nonattr, components_notype, component_notype_declarator,
3205 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
3206 firstparm, setspecs_fp): New
3207 (typed_declspecs, reserved_declspecs, typed_typespecs,
3208 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
3209 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
3210 declmods_no_prefix_attr, nonempty_type_quals, structsp,
3211 type_quals): Remove. Users updated.
3212 (initdecls, notype_initdecls, after_type_declarator,
3213 parm_declarator, notype_declarator, absdcl1, components, ivars):
3214 Don't allow attributes at the start of a declarator; include them
3215 in the production containing the declarator instead. Always
3216 require type specifiers before trying to redeclare a typedef name.
3217 (typename): Allow for attributes but warn that they are ignored.
3218 (parmlist, firstparm, setspecs_fp): Include attributes in
3219 parmlist; suck them off the parser stack in firstparm using
3222 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
3224 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
3225 to determine if a block has an unconditional jump at its end.
3227 * jump.c (jump_optimize_1): When converting a conditional jump
3228 to an unconditional jump, build the jump using gen_jump instead
3229 of just modify operands in-place.
3231 2001-05-09 Zack Weinberg <zackw@stanford.edu>
3233 * cppinit.c (cpp_post_options): Shut off macro expansion if
3235 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
3236 IN_I directives only if the # is in column 1 and the directive
3237 name begins in column 2.
3238 * cppmain.c (scan_buffer): Insert a space between # and an
3239 identifier, when that identifier is a directive name.
3241 * tradcpp.c (struct file_buf): Add a pointer to the next entry
3242 in the header search path.
3243 (enum node_type): Add T_INCLUDE_NEXT.
3244 (directive_table): Add entry for include_next.
3245 (do_include_next): New function.
3246 (process_include): New routine, broken out of do_include.
3247 (finclude): Insert 'nhd' argument, to be copied into
3248 next_header_dir of the new buffer.
3249 (main): Adjust to match.
3250 * gsyslimits.h, limity.h: Un-indent #include_next.
3252 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
3254 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
3255 inclusion as a chapter of the GCC manual.
3256 * gcc.texi: Include objc.texi.
3257 * fdl.texi: Use @unnumberedsec for the addendum.
3258 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
3260 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3262 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
3264 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
3266 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
3267 handling of two-address insns.
3269 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
3271 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
3272 ../binutils/nm-new instead of ../binutils/nm.
3274 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3276 * i386.md (movdi splitter): Fix the splitting condition
3277 (float_extenddftf splitter): Fix mode.
3279 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3281 * genrecog.c (write_switch): Avoid outputting of switch for
3282 types wider than int.
3284 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
3286 * reload1.c (copy_eh_notes): New function.
3287 (emit_input_reload_insns): Call it.
3288 (emit_output_reload_insns): Call it.
3290 2001-05-07 Zack Weinberg <zackw@stanford.edu>
3292 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
3294 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
3295 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
3297 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
3299 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
3301 * pa.md (interspace_jump): Revise comment.
3302 (builtin_longjmp): Block initial setup insns from delay slot of
3304 (builtin_setjmp_receiver): New expander to save and restore PIC
3307 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
3309 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
3311 * toplev.c (compile_file): Set up the output file before we call
3312 the various initializers for the compiler.
3314 * except.c (sjlj_mark_call_sites): Do not search for assignments to
3315 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3317 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
3318 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
3320 2001-05-06 Zack Weinberg <zackw@stanford.edu>
3322 * Makefile.in (tradcpp0): Correct typo in dependency list.
3324 2001-05-06 Geoff Keating <geoffk@redhat.com>
3326 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
3327 the link register if we're not going to use it.
3329 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
3330 (output_function_profiler): Likewise.
3332 2001-05-07 Alan Modra <amodra@one.net.au>
3334 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
3336 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
3338 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
3339 zero-extend it. Make abs_inc unsigned.
3341 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
3342 widest mode in narrowing and widening operations.
3344 * config/mips/mips.md: Sign extend CONST_INTs.
3346 2001-05-06 Andreas Jaeger <aj@suse.de>
3348 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
3349 (i386 Options): Document -momit-leaf-frame-pointer.
3351 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
3353 * c-typeck.c (internal_build_compound_expr): Check for
3354 array to pointer conversion just once.
3356 2001-05-05 Richard Henderson <rth@redhat.com>
3358 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
3360 2001-05-05 Richard Henderson <rth@redhat.com>
3362 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
3363 to the parent of the fixup region.
3365 2001-05-05 Jakub Jelinek <jakub@redhat.com>
3367 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
3369 * cpp.texi (__NO_INLINE): Document it.
3371 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
3373 * cppfiles.c (struct include_file): New member err_no.
3374 (find_or_create_entry): Set it.
3375 (open_file): Don't set fds to -2. Instead, use err_no to
3376 remember previous errors, if any.
3378 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3380 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
3381 between X and Y by using sequences of xgdx and xgdy.
3383 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3385 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
3386 of '!' for the 'D' alternative ('!' is too strong).
3387 ("*logicalsi3_silshl16"): Likewise.
3388 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
3389 ("movstrictsi"): Remove spurious '+'.
3390 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
3391 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
3392 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
3395 2001-05-04 David Edelsohn <edelsohn@gnu.org>
3397 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
3399 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
3401 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
3404 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3406 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
3409 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3411 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
3412 soft register, use ror instead of rol.
3414 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3416 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
3417 into account pre/post increment decrement for 68HC12.
3418 Fix other problems in replacement and fix call to reg_mentioned_p.
3420 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3422 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
3423 Put the soft registers in bss for 68HC12.
3424 (L_regs_d3_4): New for _.d3 and _.d4.
3425 (L_regs_d5_6): Likewise.
3426 (L_regs_d1_2): Likewise.
3427 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
3429 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3431 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
3432 to the pre-processor when -fshort-double is specified.
3433 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
3435 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3437 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
3438 (__mulsi3): Rewrite for 68HC12.
3439 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
3440 Mark 'x' constraint with earlyclobber to prevent a
3441 RELOAD_FOR_OTHER_ADDRESS to go in it.
3442 (mulhi3_m68hc12): New pattern.
3443 (mulhi3_m68hc11): Rename of mulhi3.
3444 (mulhi3): New expand for 68HC12 optimisation.
3445 (umulhisi3, mulhisi3): New patterns for 68HC12.
3447 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3449 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
3450 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
3451 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
3453 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3455 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
3456 constants cheap after reload.
3457 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
3459 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
3460 so that gcc prefers a shift by 16.
3461 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
3463 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
3465 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
3467 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3469 * alpha.h: NULL_PTR -> NULL.
3476 * i386.md: Likewise.
3479 * m68hc11.h: Likewise.
3480 * rs6000.h: Likewise.
3483 * sparc.h: Likewise.
3487 * final.c: Likewise.
3489 * recog.c: Likewise.
3491 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3493 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
3494 `bool' parameter to `int'.
3496 * hash.c (hash_lookup): Likewise.
3498 * hash.h (hash_lookup): Likewise.
3500 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3502 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3504 * i386.c (x86_initialize_trampoline): Fix mode of constant.
3506 2001-05-03 Geoff Keating <geoffk@redhat.com>
3508 * invoke.texi (i386 Options): Delete references to -malign-jumps,
3509 -malign-loops, -malign-functions.
3510 * i386.c (ix86_align_funcs): Delete.
3511 (ix86_align_loops): Delete.
3512 (ix86_align_jumps): Delete.
3513 (override_options): Mark -malign-* as obsolete. Emulate their
3514 behaviour with the -falign-* options. Default -falign-* from
3515 the processor table.
3516 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
3517 patch of Wed May 2 13:09:36 2001.
3518 (LOOP_ALIGN): Delete.
3519 (LOOP_ALIGN_MAX_SKIP): Delete.
3520 (LABEL_ALIGN_AFTER_BARRIER): Delete.
3521 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
3523 2001-05-04 Andreas Jaeger <aj@suse.de>
3525 * except.h: Add prototype declaration for
3526 expand_builtin_init_dwarf_reg_sizes.
3528 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
3530 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
3532 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3534 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
3536 ("bitcmpqi2"): New pattern for bit-extract and test.
3537 ("bitcmphi"): New pattern for bitb/bita instructions.
3539 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
3541 * gccbug.in: Use a temporary directory when the mktemp command is
3544 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3546 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
3548 (INITIALIZE_TRAMPOLINE): Call it.
3549 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
3550 (TRAMPOLINE_TEMPLATE): Remove.
3551 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
3552 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
3555 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3557 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
3558 and crtendS.o with PIC.
3560 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3562 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
3564 (___subdi3, ___adddi3): Use x instead of y as index register.
3565 (__init_bss_section, __map_data_section): Optimize for 68HC12.
3566 (__memset, __memcpy): Likewise.
3567 (regs): Put the soft registers in bss for 68HC12.
3568 (abort): Use trap to abort for 68hc12.
3569 (__mulhi3, __mulhi32): Use emul for 68hc12.
3570 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
3572 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3574 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
3575 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
3576 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
3577 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
3578 Set 68HC12 min offset to -65536.
3579 (print_operand): Put parenthesis arround the operand if it refers
3580 to a symbol having the same name as a register.
3581 (m68hc11_z_replacement): When z register is replaced by its
3582 equivalent soft register, force the insn to be re-recognized.
3583 (m68hc11_check_z_replacement): Fix the test when destination is
3584 the index register and z dies in the insn.
3585 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
3587 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3589 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
3590 costs according to processor variant.
3591 (m68hc11_shift_cost): New function to compute shift costs.
3592 (m68hc11_rtx_costs): Define costs according to processor variant.
3593 (m6811_cost): Costs for 68HC11.
3594 (m6812_cost): Costs for 68HC12.
3595 (COSTS_N_INSNS): Remove.
3597 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
3598 (DEFAULT_RTX_COSTS): Remove.
3599 (CONST_COSTS): Define costs according to OUTER_CODE.
3600 (processor_costs): New struct to define costs.
3601 (m68hc11_cost): Pointer to current costs.
3603 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3605 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
3606 and use m68hc11_notice_keep_cc when using leax/leay.
3607 (addhi3 split): Reject split if the insn is handled by
3609 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
3610 push must be handled in a special way if the source operand uses
3611 sp as index register.
3612 (m68hc11_notice_keep_cc): New function.
3613 (m68hc11_gen_movhi): Use it when an insn changes a register but
3615 (m68hc11_gen_movqi): Fix move for 68HC12.
3616 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
3618 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3620 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
3621 and don't pass operands[0] to emit_library_call_value.
3623 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3625 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
3626 (zero_extendsi split): Simplify and use (zero_extendhi).
3627 (*addhi3): Remove 'w' constraint since stack pointer is handled
3629 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
3630 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
3631 (*ashrhi3_const): Fix shift by 7.
3632 (*lshrsi3_const16): Fix template.
3633 (call, call_value): Fix constraint and predicate.
3635 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3637 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
3638 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
3639 (CC_REGNUM): Likewise.
3640 (*unnamed splits): Use above constants instead of hard coded numbers.
3641 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
3642 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
3643 (*return_16bit, *unnamed peepholes): Likewise.
3645 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3647 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
3648 rs6000/rs6000.h twice.
3650 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
3652 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
3653 (CPP_SPEC): Conditionally define MSDOS and GO32.
3654 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
3655 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
3657 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
3659 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3661 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
3663 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3665 * integrate.h (struct inline_remap): Add leaf_reg_map table.
3666 * integrate.c (expand_inline_function): Use xcalloc to allocate
3668 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
3671 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3673 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
3676 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3678 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
3679 linker if -mrelax is given.
3680 (TARGET_SWITCHES): Document -mrelax.
3682 Re-installed 2001-01-09's patch:
3683 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3684 if it's wider than long and the target's long is wider than the
3687 2001-05-02 David O'Brien <obrien@FreeBSD.org>
3689 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
3690 directly include rs6000/rs6000.h. Instead do it in tm.h.
3692 2001-05-02 Stan Shebs <shebs@apple.com>
3694 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
3695 NSConstantString for NeXT-style runtimes.
3696 (STRING_OBJECT_GLOBAL_NAME): New macro.
3697 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
3698 OCTI_STRING_CLASS_DECL.
3699 (constant_string_global_id): New macro.
3700 (string_class_decl): Ditto.
3701 (setup_string_decl): New function.
3702 (build_objc_string_object): Use it to build a NeXT runtime
3703 compatible string initializer.
3705 2001-05-02 Jakub Jelinek <jakub@redhat.com>
3707 * tradcpp.c (do_define): Make sure we don't walk past limit.
3709 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3711 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
3712 offsets if not REG_OK_STRICT.
3714 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
3715 (INT_REG_OK_FOR_INDEX_P): Likewise.
3716 (INT_REG_OK_FOR_BASE_P): Likewise.
3717 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
3718 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
3719 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
3720 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
3721 REG_OK_FOR_BASE_P. Take an additional parameter.
3722 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
3723 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
3724 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
3725 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
3726 rs6000_legitimate_address() and use it.
3727 * config/rs6000/rs6000.c: Update all callers.
3728 (rs6000_legitimate_address): New function.
3730 2001-05-02 David Edelsohn <edelsohn@gnu.org>
3732 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
3733 special_constant conditional blocks together.
3735 2001-05-02 Dale Johannesen <dalej@apple.com>
3737 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
3739 (STRICT_ARGUMENT_NAMING): Define.
3740 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
3741 function_arg_partial_nregs, setup_incoming_varargs): Remove
3742 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
3745 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3747 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
3749 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
3752 * expr.c (store_field): Do nothing except elaborate side-effects if
3755 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3757 * c-lex.c: NULL_PTR -> NULL.
3759 * emit-rtl.c: Likewise.
3761 * genpeep.c: Likewise.
3763 * mips-tdump.c: Likewise.
3764 * reload1.c: Likewise.
3765 * rtlanal.c: Likewise.
3767 * stor-layout.c: Likewise.
3768 * toplev.c: Likewise.
3770 2001-05-01 Per Bothner <per@bothner.com>
3772 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
3773 call do_pending_stack_adjust before emiting label.
3775 2001-05-01 Mark Mitchell <mark@codesourcery.com>
3777 * extend.texi: Fix typo.
3779 2001-05-01 Stan Shebs <shebs@apple.com>
3781 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
3782 of UOBJC_MODULES_decl.
3783 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
3784 (generate_descriptor_table): Ditto.
3785 (generate_protocols): Ditto.
3786 (generate_protocol_list): Ditto.
3787 (generate_classref_translation_entry): Ditto.
3789 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
3791 * invoke.texi (Optimize Options): Add documentation for `--param
3792 max-delay-slot-insn-search' and `--param
3793 max-delay-slot-live-search' and reorder --param section.
3794 * params.def: Modify initial comment.
3795 * params.h (param_info): Add `help' member.
3796 * toplev.c (lang_independent_params): Include `help' description.
3797 (display_help): Print --param parameters.
3799 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3801 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
3802 Remove references to deleted files.
3803 (*-*-openbsd): No need to override xmake_file.
3804 (*-*-sysv4): Treat like *-*-sysv.
3806 * configure.in: Probe for ldopen in various places, and set up
3807 collect2 to be linked with them if found.
3808 Don't dink with Windows registry stuff unless $host_os is a
3809 Win32 os name. Check to see if we need -ladvapi32.
3810 * configure: Regenerate.
3812 * Makefile: Get rid of CLIB and HOST_CLIB.
3813 Substitute in COLLECT2_LIBS and link collect2 against its contents.
3814 * build-make: Get rid of HOST_CLIB.
3816 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
3817 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3818 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3819 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
3820 config/rs6000/x-rs6000: Delete.
3822 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
3825 24 x-host fragments remain, 0 x-cpu, 3 top level.
3827 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3829 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
3830 * configure: Regenerate.
3832 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
3834 * Makefile.in (install-headers): Remove redundant dependency.
3836 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
3838 * c-tree.texi (USING_STMT): Document.
3840 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3842 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
3843 * c-common.c: Likewise.
3844 * c-decl.c: Likewise.
3845 * combine.c: Likewise.
3846 * rs6000.c: Likewise.
3847 * except.c: Likewise.
3848 * explow.c: Likewise.
3850 * fold-const.c: Likewise.
3851 * function.c: Likewise.
3854 * integrate.c: Likewise.
3856 * objc/objc-act.c: Likewise.
3857 * recog.c: Likewise.
3858 * reg-stack.c: Likewise.
3859 * reload.c: Likewise.
3860 * reload1.c: Likewise.
3861 * simplify-rtx.c: Likewise.
3863 * varasm.c: Likewise.
3865 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
3867 * diagnostic.def: New file.
3868 * diagnostic.h (diagnostic_t): New enum.
3869 * Makefile.in (diagnostic.o): Depend on diagnostic.def
3871 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3873 * tsystem.h: Test only POSIX for availability of string.h
3875 * config.gcc (all systems): If USG appeared in xm_defines,
3876 change it to POSIX. If both USG and POSIX appeared, just
3877 delete USG. Remove unnecessary quotes around xm_defines
3879 (m68k-crds-unos*): Don't #define unos - tested nowhere.
3880 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
3881 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
3882 powerpc-*-linux*): No need to set xm_defines - handled by
3883 global settings for *-*-linux*.
3885 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3887 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
3888 Always include gstab.h, not system stab.h. Don't provide
3889 default definitions of N_CATCH or N_OPT. Always use the
3890 gstab.h variant of STAB_CODE_TYPE.
3891 * final.c: Don't include stab.h/gstab.h at all, or provide
3892 defaults for N_SLINE and N_SOL.
3894 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
3895 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
3897 * sdbout.c: Always include gsyms.h instead of system syms.h.
3899 * configure.in: No need to check for stab.h.
3900 * configure, config.in: Regenerate.
3901 * Makefile.in (final.o): Don't depend on gstab.h.
3903 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3904 Richard Henderson <rth@redhat.com>
3906 * extend.texi: Improve documentation of volatile asms.
3908 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3910 * c-tree.texi: Fix thinko.
3911 * gcc.texi: Likewise.
3913 2001-04-30 Richard Henderson <rth@redhat.com>
3915 * c-common.c (c_promoting_integer_type_p): New function, from the
3916 corpse of old macro. Properly promote too-small enumerations and
3917 booleans. Adjust all callers.
3918 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
3919 (c_promoting_integer_type_p): Declare.
3920 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
3921 * c-typeck.c: Likewise.
3922 (default_conversion): Remove now redundant boolean check.
3924 2001-04-30 Jan Hubicka <jh@suse.cz>
3925 Richard Henderson <rth@redhat.com>
3927 * regmove.c (try_apply_stack_adjustment): Remove now redundant
3929 (combine_stack_adjustments_for_block): Don't combine stack
3930 allocation followed by deallocations. Handle grow-up stacks.
3932 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3934 * fdl.texi: New file.
3935 * c-tree.texi: Use the GFDL.
3936 * gcc.texi: Likewise.
3938 2001-04-30 Stan Shebs <shebs@apple.com>
3940 * invoke.texi: Add a section documenting Objective-C options.
3942 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
3944 * emit-rtl.c (try_split): Copy EH notes to sequence.
3946 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3948 * regmove.c (record_stack_memrefs): Catch all references to the
3951 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
3953 * Makefile.in (stmp-fixinc): quote shell assignment values
3955 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3957 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
3961 * prefix.c: Likewise.
3963 2001-04-28 Stan Shebs <shebs@apple.com>
3965 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
3966 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
3967 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
3968 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
3970 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
3971 (NEXT_OBJC_RUNTIME): Define.
3973 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
3975 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
3976 * simplify-rtx.c (simplify_gen_relational): Likewise.
3978 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
3980 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
3981 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
3983 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
3984 registers in SSE case; fix handling of the immediates.
3985 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
3986 operands to be in regsiters before reload.
3987 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
3988 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
3989 (abstf,absxf,negtf,negxf splitters): Compute
3990 properly the regnum for x86_64.
3991 (avsdf2_if_rex64): New.
3993 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
3995 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
3996 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
3997 into the constant pool.
3998 * jump.c (jump_optimize_1): Remove barrier successors after all
3999 the LABEL_NUSES counds have been computed.
4000 (delete_barrier_successors): When deleting a tablejump insn, also
4001 delete the jump table it uses.
4002 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
4005 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
4007 * pa.c (FRP): Remove erroneous white space in macro definition.
4009 2001-04-28 Andreas Jaeger <aj@suse.de>
4011 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
4013 * extend.texi: Likewise.
4014 * tm.texi: Likewise.
4016 2001-04-28 Andreas Jaeger <aj@suse.de>
4018 * md.texi: Use XX-bit instead of XXbit or XX bit where
4021 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
4023 * gcc.c (process_command): Allow -l lib in addition to -llib
4024 for POSIX compliance. This fixes PR c/2347.
4026 * invoke.texi: Update section on Link Options accordingly.
4028 2001-04-27 Zack Weinberg <zackw@stanford.edu>
4030 * function.c (purge_addressof_1): Remove the duplicate
4031 if (code == SET) block. Fold the two if (code == ADDRESSOF)
4034 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
4036 * except.c (expand_eh_region_start): Don't start a new block.
4037 (expand_eh_region_end): Don't end a block.
4038 * stmt.c (expand_end_bindings): Don't end EH blocks.
4039 (expand_decl_cleanup): Starting an EH region won't change the block.
4040 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
4041 (is_eh_region): Lose.
4044 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
4046 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
4048 * collect2.c (main): Add `-L' case to remove duplicate entries.
4049 (is_in_args): New function to check for a duplicate argument.
4050 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
4051 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
4052 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
4053 Define to be nonzero.
4055 2001-04-27 Andreas Jaeger <aj@suse.de>
4056 Richard Henderson <rth@redhat.com>
4058 * md.texi (Machine Constraints): Document additional i386
4059 constraints and fix description of "A".
4061 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
4063 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
4065 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
4067 * except.c (get_exception_filter): word_mode, not Pmode.
4069 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
4071 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
4072 common to other movsf patterns. Move up so that in future
4073 people who change the other patterns will change it too.
4074 (movsf_lo_sum): Allow even for soft-float; add appropriate
4076 (movsf_high): Likewise.
4077 (movsf_high+1): Allow even for soft-float.
4079 * function.c (expand_function_end): Always clobber the
4080 return registers, even if there is no return label.
4082 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4084 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
4086 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
4088 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
4089 (pushqi2_rex64, pushhi2_rex64): Add.
4091 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
4093 * except.c (expand_eh_region_end_cleanup): Force pending stack
4094 adjust before emitting label that branches around cleanup code.
4096 2001-04-26 H.J. Lu (hjl@gnu.org)
4098 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
4100 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
4102 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
4103 (ASM_OUTPUT_SECTION_NAME): Likewise.
4104 (ASM_WEAKEN_LABEL): Likewise.
4105 (UNIQUE_SECTION): Likewise.
4106 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4107 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4108 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
4109 (ASM_OUTPUT_SECTION_NAME): Likewise.
4110 (ASM_WEAKEN_LABEL): Likewise.
4111 (UNIQUE_SECTION): Likewise.
4112 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4113 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4114 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
4115 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
4116 (ASM_FILE_START): Likewise.
4117 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4118 (ASM_DECLARE_OBJECT_NAME): Likewise.
4119 (ASM_FILE_END): Likewise.
4120 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4121 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4122 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4123 (ASM_OUTPUT_CASE_LABEL): Likewise.
4124 (ASM_OUTPUT_SKIP): Likewise.
4125 (ASM_OUTPUT_ASCII): Likewise.
4126 (ASM_OUTPUT_IDENT): Likewise.
4127 (READONLY_DATA_SECTION): Likewise.
4128 (EXTRA_SECTIONS): Likewise.
4129 (EXTRA_SECTION_FUNCTIONS): Likewise.
4130 (SELECT_RTX_SECTION): Likewise.
4131 (SELECT_SECTION): Likewise.
4133 * config/mips/linux.h (INVOKE__main): Undefine.
4134 (CTOR_LIST_BEGIN): Likewise.
4135 (CTOR_LIST_END): Likewise.
4136 (DTOR_LIST_BEGIN): Likewise.
4137 (DTOR_LIST_END): Likewise.
4138 (SET_ASM_OP): Defined it to ".dummy".
4139 (ASM_OUTPUT_DEF): Defined.
4140 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
4142 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
4144 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
4145 assembler supports .p2align.
4147 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
4149 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
4151 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4153 * integrate.c (expand_inline_function): Check for error_mark_node
4156 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4158 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
4161 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
4163 * configure.in (configargs.h): Define thread_model.
4164 * configure: Rebuilt.
4165 * gcc.c (main): Print it with -v.
4167 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
4169 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
4170 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
4171 * gcc.1: Regenerate.
4173 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4175 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
4176 is_redundant_typedef): Use static inline instead of inline static.
4178 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
4180 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
4181 this directory is always searched.
4183 2001-04-25 Richard Henderson <rth@redhat.com>
4185 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
4186 of registers to restore along non eh_return path.
4188 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4190 * c-format.c (check_format_info_recurse): Handle
4191 PLUS_EXPR for format string.
4193 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4195 * config/ia64/ia64.h (CC1_SPEC): Define.
4196 * config/ia64/linux.h (CC1_SPEC): Define.
4198 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
4200 * emit-rtl.c (constant_subword): Also do sign extension in
4201 BITS_PER_WORD == 16 case.
4203 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
4205 * loop.c (try_swap_copy_prop): Go back to checking insn.
4207 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4209 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
4210 if check_mode is non-zero.
4212 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4214 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
4215 out and comparison sequence has been detected, put result into
4216 proper temporary pseudo.
4218 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4220 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
4221 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
4222 * libgcc2.c: Remove __dummy and __builtin_saveregs.
4223 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
4224 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
4225 for future reference.
4227 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
4229 * except.c (reachable_handlers): Step out one level from a RESX.
4231 * except.c (struct eh_region): Rename 'last' to 'resume'.
4232 (mark_eh_region, duplicate_eh_region_1): Adjust.
4233 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
4234 (build_post_landing_pads): Likewise.
4235 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
4236 (expand_eh_region_end_must_not_throw): Likewise.
4237 (connect_post_landing_pads): Thread (only) regions with non-deleted
4240 * except.c (expand_eh_region_end_cleanup): Save the EH return data
4241 registers around the cleanup.
4242 (get_exception_filter): New fn.
4243 (finish_eh_generation): Use it.
4245 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
4247 * c-semantics.c (add_scope_stmt): Don't call
4248 current_scope_stmt_stack multiple times.
4250 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4251 Nathan Sidwell <nathan@codesourcery.com>
4253 Lazy __FUNCTION__ generation.
4254 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
4255 RID_C99_FUNCTION_NAME): New _RIDs.
4256 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
4257 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
4258 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
4260 (function_id_node, pretty_function_id_node, func_id_node): Remove.
4261 (c99_function_name_decl_node, function_name_decl_node,
4262 pretty_function_name_decl_node, saved_function_name_decls):
4264 (struct language_function): Remove x_function_name_declared_p.
4265 (make_fname_decl): Remove a parameter.
4266 (declare_function_names): Remove prototype.
4267 (start_fname_decls, finish_fname_decls): Prototype.
4268 (fname_as_string): Likewise.
4269 (fname_string, fname_decl): Likewise.
4270 * c-common.c (make_fname_decl): Adjust.
4271 (struct fname_var_t): New struct.
4272 (fname_vars): New static array.
4273 (declare_function_name): Remove.
4274 (start_fname_decls, finish_fname_decls): New functions.
4275 (fname_as_string): New function from remnants of
4276 declare_function_name.
4277 (fname_string, fname_decl): New functions.
4279 * c-decl.c (c_function_name_declared_p): Remove.
4280 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
4281 don't call declare_function_name. Call start_fname_decls.
4282 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
4283 clobber the line number. Call finish_decl.
4284 (start_function): Call start_fname_decls.
4285 (finish_function): Call finish_fname_decls.
4286 Remove c_function_name_declared_p.
4287 (push_c_function_context): Don't push c_function_name_declared_p.
4288 (pop_c_function_context): Don't pop c_function_name_declared_p.
4289 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
4290 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
4291 (program): Call finish_fname_decls for C.
4292 (primary): Add VAR_FUNC_NAME.
4293 (reswords): Add slots for __FUNCTION__ et al.
4294 (rid_to_yy): Add mappings for __FUNCTION__ et al.
4295 (yylexname): If it's a STRING_FUNC_NAME generate the function name
4296 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
4297 * c-semantics.c (prune_unused_decls): Remove.
4298 (finish_stmt_tree): Don't call prune_unused_decls.
4299 (genrtl_decl_stmt): Don't prune unused decls here.
4301 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
4303 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
4304 constant pool, use the pool's SYMBOL_REF instead.
4306 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
4309 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
4311 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
4312 passing nested NOP_EXPRs to fold.
4314 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
4316 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
4318 2001-04-22 Mark Mitchell <mark@codesourcery.com>
4320 * loop.c (loop_delete_insns): Add prototype.
4322 2001-04-23 Phil Edwards <pme@sources.redhat.com>
4324 * configure.in: Remove ENABLE_STD_NAMESPACE.
4325 * config.in: Regenerated.
4326 * configure: Regenerated.
4328 2001-04-22 Stan Shebs <shebs@apple.com>
4330 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
4332 * config/rs6000/xm-darwin.h: Remove file.
4334 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4336 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
4337 (write_c_file_stat): Likewise.
4339 * dbxout.c (dbxout_init): Likewise.
4341 * profile.c (output_func_start_profiler): Likewise.
4343 2001-04-22 Philipp Thomas <pthomas@suse.de>
4345 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
4346 require it instead of the CVS version.
4347 * cpperror.c (v_message): Put a blank before the macro
4348 body to not confuse exgettext.
4350 2001-04-21 Mark Mitchell <mark@codesourcery.com>
4352 * flow.c (proagate_one_insn): Remove useless assignment.
4353 * jump.c (delete_insn): Tidy.
4354 * loop.c (try_copy_prop): When deleting an instruction with a
4355 REG_RETVAL note, delete the entire libcall sequence.
4356 (loop_delete_insns): New function.
4357 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
4358 we're not substituting into them yet.
4360 2001-04-21 Kazu Hirata <kazu@hxi.com>
4362 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
4364 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
4366 * config/i960/i960.c (signed_arith_operand): Likewise.
4368 * calls.c (expand_call): Fix a comment typo.
4370 2001-04-20 Zack Weinberg <zackw@stanford.edu>
4372 * configure.in: Probe for times, clock, struct tms, and clock_t.
4373 * configure, config.in: Regenerate.
4374 * timevar.c: Replace ifdef forest in get_time with (relatively)
4375 straightforward series of checks based on autoconf's probes.
4377 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
4379 * config/pa/som.h (NM_FLAGS): Define.
4381 2001-04-20 Bernd Schmidt <bernds@redhat.com>
4383 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
4385 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
4386 * ia64.c (nop_cycles_until): New function.
4387 (prev_cycle, prev_first, last_issued): New static variables.
4388 (ia64_sched_reorder): Additional arg for clock.
4389 On final scheduling pass, emit extra NOPs as needed.
4390 Set prev_first and prev_cycle.
4391 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
4392 (ia64_variable_issue): Set last_issued.
4394 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
4396 * config/i386/i386.c (ix86_expand_int_movcc,
4397 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
4399 2001-04-20 Geoff Keating <geoffk@redhat.com>
4401 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
4402 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
4403 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
4404 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
4405 ctrdi_internal6): In the short-branch case, this insn is only 4
4406 bytes long. Reported by Reza Yazdani <reza@apple.com>.
4408 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4410 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
4411 "=u" is used together with "st" resp. "st(1)" clobber.
4413 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4415 * gcse.c (gcse_main): Fix comment typo.
4416 (delete_null_pointer_check): Likewise.
4417 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
4418 * cse.c (cse_insn): Likewise.
4419 * function.c (fixup_var_refs_insns_with_hash): The sequence is
4422 2001-04-19 Zack Weinberg <zackw@stanford.edu>
4424 * toplev.c: Excise all code for the undocumented -dm option.
4425 (float_signal): Call signal just once, unconditionally.
4427 2001-04-19 Geoff Keating <geoffk@redhat.com>
4429 * fold-const.c (fold): Use first_rtl_op rather than
4430 TREE_CODE_LENGTH when looping over parameters of a tree.
4431 Correct strange grouping in test for evaluated SAVE_EXPR.
4433 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
4435 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
4436 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
4438 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
4439 name at 32 total characters.
4440 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
4441 functions in named sections -- data items can still go into unique
4442 sections, but they have normal names (ie $LIT$ and $DATA$).
4444 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
4447 2001-04-19 DJ Delorie <dj@redhat.com>
4449 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4450 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
4451 * config/i386/cygwin.h: Likewise.
4452 * config/i386/mingw32.h: Likewise.
4453 * config/vax/vms.h: Likewise.
4454 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
4456 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4457 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
4458 * config/i386/xm-cygwin.h: Likewise.
4459 * config/i386/xm-djgpp.h: Likewise.
4460 * config/i386/xm-mingw32.h: Likewise.
4461 * config/vax/xm-vms.h: Likewise.
4463 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
4464 instead of OBJECT_SUFFIX.
4465 * collect2.c (find_a_file): Look for files matching the extension
4466 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
4467 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
4468 TARGET_EXECUTABLE_SUFFIX.
4469 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
4470 (make_relative_prefix): Likewise.
4471 (convert_filename): Use TARGET_ suffixes throughout. Remove
4473 (process_command): Likewise.
4474 (do_spec_1): Likewise.
4475 * java/lang.c (init_parse): Likewise.
4477 * gcc.texi : Document four new options matching the pattern
4478 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
4479 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
4480 documentation for NO_AUTO_EXE_SUFFIX.
4482 2001-04-19 Mark Mitchell <mark@codesourcery.com>
4484 * toplev.h (struct lang_hooks): Allow decode_option to indicate
4485 that language-independent processing should not be done.
4486 * toplev.c (main): Adjust accordingly.
4488 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
4489 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
4491 * mips.md (reload_outputdi): Require that operand0 be a
4494 2001-04-19 Jakub Jelinek <jakub@redhat.com>
4496 * invoke.texi (-Wshadow): Clarify.
4498 2001-04-18 Mark Mitchell <mark@codesourcery.com>
4500 * loop.c (load_mems): Examine all the instructions in the loop
4501 before concluding that all jumps branch to the first instruction
4504 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
4506 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
4508 2001-04-18 Jakub Jelinek <jakub@redhat.com>
4510 * cpp.texi (-Wwhite-space): Remove.
4511 (-Wall): -Wall does not imply -Wwhite-space.
4513 2001-04-17 Zack Weinberg <zackw@stanford.edu>
4515 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
4516 use it instead of blindly generating a .stabs.
4517 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
4519 * xcoffout.c: Don't bother defining default for N_CATCH.
4520 (UNKNOWN_STAB): Use internal_error.
4521 (stab_to_sclass): Remove now-unnecessary aborts.
4522 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
4524 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
4526 * jump.c (mark_all_labels): Canonicalize the tail recursion
4527 label attached to CALL_PLACEHOLDER insns.
4529 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4531 * output.h (dump_flow_info, free_basic_block_vars,
4532 which_alternative): Delete redundant prototypes.
4534 * rtl.h (bss_section): Likewise.
4536 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
4538 * dbxout.c (N_OPT): Define if not available from <stab.h>
4540 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4542 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
4543 libraries and native K&R compilers.
4545 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4547 * c-typeck.c (convert_arguments): Don't check for width changes
4550 * invoke.texi (-Wtraditional): Update documentation.
4552 2001-04-16 Zack Weinberg <zackw@stanford.edu>
4554 * toplev.c (output_lang_identify): Delete.
4555 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
4556 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
4557 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
4558 after calling ASM_FILE_END.
4560 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
4561 Instead, unconditionally emit an N_OPT stab with string equal
4562 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
4564 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
4566 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
4567 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
4568 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
4569 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
4570 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
4571 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
4572 config/i370/i370.h, config/i386/beos-elf.h,
4573 config/i386/osf1elf.h, config/i386/osfrose.h,
4574 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
4575 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
4576 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
4577 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
4578 config/mips/iris6.h, config/mips/osfrose.h,
4579 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
4580 config/sparc/sp64-elf.h:
4581 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
4582 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
4584 * config/elfos.h, config/freebsd.h, config/linux.h,
4585 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
4586 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
4587 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
4588 of ASM_FILE_START which merely emit a .version directive. Delete
4589 definitions of ASM_FILE_END which merely emit an .ident directive.
4591 * config/avr/avr.h, config/vax/vax.h: Delete definition of
4592 ASM_IDENTIFY_GCC and move part of its logic into
4595 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
4596 config/sparc/linux-aout.h: Don't emit .version directive in
4599 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
4600 (output_file_start): Correct comment.
4602 * config/i386/osfrose.h: Don't emit trailing .ident directive.
4603 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
4605 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
4606 * config/rs6000/aix.h: Correct comment.
4608 * config/i386/i386afe.h: Delete.
4609 * config.gcc: Remove references to i386afe.h.
4611 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
4612 other macros deleted by this patch were undocumented.
4614 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
4616 * pa.md (reload_outdi): Operand 0 must be a non hard register.
4618 * pa.c (secondary_reload_class): SAR<->FP copies require a
4621 * install.texi (mips-mips-bsd): Update list of functions
4622 required to include memmove.
4623 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
4624 used functions to include memmove.
4626 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
4628 * i386.md (sqrtdf2): SFmode should be DFmode.
4630 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
4632 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
4633 (find_moveable_store): Likewise.
4635 2001-04-15 Jim Wilson <wilson@redhat.com>
4637 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
4639 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4641 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
4642 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
4644 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
4646 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
4649 2001-04-14 Alan Modra <amodra@one.net.au>
4651 * pa.c (force_mode): New function.
4652 (emit_move_sequence): Use it instead of generating new rtx_REGs.
4654 2001-04-13 Jim Wilson <wilson@redhat.com>
4656 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
4657 (first_instruction): New static variable.
4658 (rtx_needs_barrier): Return 1 for alloc.
4659 (init_insn_group_barriers): Set first_instruction.
4660 (rws_sum): Delete duplicate definition.
4661 (group_barrier_needed_p): Return 0 when first_instruction true.
4662 (safe_group_barrier_needed_p): Save and restore first_instruction
4663 around group_barrier_needed_p call.
4665 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
4667 * expr.h (enum libfunc_index): Add LTI_memmove.
4668 (memmove_libfunc): Define macro.
4669 * optabs.c (init_optabs): Initialize memmove_libfunc.
4670 * expr.c (expand_assignment): Use memmove_libfunc instead of
4673 2001-04-13 Alan Modra <alan@linuxcare.com.au>
4675 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
4678 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4680 * Makefile.in (reg-stack.o): Depend on reload.h.
4681 (insn-attrtab.o): Depend on flags.h.
4683 * genattrtab (main): Include flags.h in insn-attrtab.c.
4685 * reg-stack.c: Include reload.h.
4687 * sparc.h (flag_pic): Delete redundant declaration.
4689 * output.h (flag_pic): Likewise.
4691 * tree.h (pedantic): Likewise.
4693 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4695 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
4697 * jump.c, regmove.c, toplev.c: Include reload.h.
4699 * reload.h (reload_cse_regs): Declare.
4701 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
4702 reload_cse_regs, init_reload, mark_home_live, reload,
4703 init_caller_save): Delete redundant prototypes.
4705 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4707 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
4709 * regclass.c, ssa.c: Include expr.h.
4711 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
4712 gen_move_insn): Delete redundant declarations.
4714 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4716 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
4717 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
4718 MAKEINFO and MAKEINFOFLAGS too.
4719 (stage4_build): Correctly order -B flags.
4721 2001-04-13 Alan Modra <amodra@one.net.au>
4723 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
4724 PIC_OFFSET_TABLE_SAVE_RTX.
4725 (zdepi_cint_p): Describe zdepi insn.
4726 Formatting and white space fixes throughout file.
4728 * pa.c (uint32_operand): Don't use long constant >= 2^32.
4729 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
4730 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
4731 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
4732 (output_64bit_and): Use plain `int's for shift counts.
4733 (output_64bit_ior): Likewise.
4734 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
4735 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
4738 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
4739 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
4740 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
4741 NEW_HP_ASSEMBLER into one. Kill warnings.
4743 * pa-gas.h: Delete file.
4744 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
4745 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
4746 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
4747 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
4749 * config/pa/mill32.S: New file.
4750 * config/pa/mill64.S: New file.
4751 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
4752 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
4753 * config/pa/t-linux64: New file.
4754 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
4755 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
4756 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
4758 * elfos.h (SELECT_SECTION): Undef before defining.
4759 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
4760 (LIB_SPEC): Remove -lmilli.
4761 (DBX_REGISTER_NUMBER): Remove.
4762 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
4763 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
4764 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
4765 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
4766 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
4767 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
4768 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
4769 TARGET_GAS): Define.
4770 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
4771 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
4772 regs if we don't have a prototype.
4773 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
4774 * pa.h (TARGET_ELF32): Default to 0 if undefined.
4775 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
4776 EH_RETURN_HANDLER_RTX): Define.
4777 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
4778 (DWARF_FRAME_REGNUM): Define.
4779 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
4780 * pa32-linux.h: New file.
4781 * pa64-linux.h: New file.
4783 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4784 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
4785 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
4786 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
4787 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
4788 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
4789 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4790 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
4791 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
4792 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
4793 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4794 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
4795 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
4796 * pa64-hpux.h: New file.
4797 (ASM_FILE_START): Correct typo.
4798 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
4799 * config.gcc: Modify for above.
4801 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
4803 * jump.c (jump_optimize_1): Don't delete dead stores here.
4804 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
4805 prior to running jump optimize before cse2.
4807 2001-04-12 Richard Henderson <rth@redhat.com>
4809 * Makefile.in (regmove.o): Depend on except.h.
4810 * regmove.c: Include it.
4812 2001-04-12 Stan Shebs <shebs@apple.com>
4814 * objc/objc-act.c: Remove all code ifdefed with the never-used
4815 macro OBJC_INT_SELECTORS.
4816 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
4817 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
4819 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
4821 * config/pa/quadlib.c: Add prototypes.
4823 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4825 * bitmap.h (debug_bitmap): Delete redundant prototype.
4827 * rtl.h (get_frame_size): Likewise.
4829 2001-04-12 Jim Wilson <wilson@redhat.com>
4831 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
4832 to just emit an fnorm.
4834 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4836 * c-common.h (truthvalue_conversion, type_for_mode,
4837 type_for_size): Delete redundant declarations.
4839 * c-lex.h (is_class_name): Likewise.
4841 * c-tree.h (pedantic, convert, getdecls, gettags,
4842 global_bindings_p, init_decl_processing, insert_block,
4843 maybe_build_cleanup, poplevel, print_lang_decl,
4844 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
4845 set_block, incomplete_type_error, build_function_call,
4846 lvalue_or_else, mark_addressable): Likewise.
4848 * expr.h (expand_tree_builtin): Likewise.
4850 2001-04-12 Mark Mitchell <mark@codesourcery.com>
4852 * invoke.texi: Document --param max-gcse-memory.
4854 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4856 * configure.in (errno): Check for declaration.
4857 * configure, config.in: Regenerated.
4859 * system.h (errno): Only declare if not already done.
4861 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4863 * recog.c (general_operand, immediate_operand,
4864 nonmemory_operand): Require CONST_INTs to be sign-extended
4865 values for their modes.
4867 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4869 * expmed.c (store_bit_field): Truncate CONST_INTs.
4870 (expand_mult_highpart, expand_divmod): Likewise.
4871 * expr.c (convert_modes, store_field): Likewise.
4872 * integrate.c (expand_inline_function): Use promote_mode() to
4873 determine whether to convert_modes() an argument as signed
4875 * optabs.c (expand_binop): Get CONST_INT operands
4876 sign-extended for their appropriate modes.
4877 * stmt.c (emit_case_nodes): Convert node values to the
4879 (expand_end_case): Convert minval and range to the appropriate
4881 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
4882 the iteration variable.
4883 * varasm.c (immed_double_const): Don't require words to be
4884 narrower than host wide ints to properly sign-extend
4887 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
4889 * sh.md (builtin_setjmp_receiver): New expander.
4891 2001-04-12 David Edelsohn <dje@watson.ibm.com>
4893 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
4894 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
4895 for generating CONST_INT and CONST_DOUBLE.
4897 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4899 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
4900 already sign-extended.
4901 (rs6000_emit_prologue): Make register iterator signed.
4902 (rs6000_emit_epilogue): Likewise.
4903 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
4905 (movsf split, movdf split): Sign-extend CONST_INTs.
4906 (movdi splits): Likewise.
4908 2001-04-12 Kelley Cook <kelley.cook@home.com>
4910 * config-lang.in (lang_dirs): Add in zlib.
4912 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
4914 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
4915 operands that make it to RTL.
4917 2001-04-11 Stan Shebs <shebs@apple.com>
4919 Add Darwin (Mac OS X kernel) native support.
4920 * config.gcc (powerpc-*-darwin*): Add native bits.
4921 * config/darwin.c: New file, generic Darwin support functions.
4922 * config/darwin.h: New file, generic Darwin definitions.
4923 * config/darwin-protos.h: New file, generic Darwin prototypes.
4924 * rs6000/darwin.h: New file, Darwin for PowerPC.
4925 * rs6000/t-darwin: New file, Darwin makefile fragment.
4926 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
4927 (TARGET_MACHO): Ditto.
4928 (rs6000_abi): Add ABI_DARWIN.
4929 (RS6000_REG_SAVE): Add ABI_DARWIN case.
4930 (RS6000_SAVE_AREA): Ditto.
4931 (FP_ARG_MAX_REG): Ditto.
4932 (RETURN_ADDRESS_OFFSET): Ditto.
4933 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
4935 (rs6000_emit_move): Add ABI_DARWIN cases.
4936 (print_operand): Ditto.
4937 (first_reg_to_save): Ditto.
4938 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
4939 (debug_stack_info): Ditto.
4940 (rs6000_emit_prologue): Ditto.
4941 (rs6000_emit_epilogue): Ditto.
4942 (output_profiler_hook): Ditto.
4943 (output_function_profiler): Ditto.
4944 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
4945 (output_mi_thunk): Add TARGET_MACHO case.
4946 (add_compiler_stub): Ditto.
4947 (output_compiler_stub): Ditto.
4948 (no_previous_def): Ditto.
4949 (output_call): Ditto.
4950 (machopic_output_stub): Ditto.
4951 (rs6000_machopic_legitimize_pic_address): Ditto.
4952 (toc_section): Ditto.
4953 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
4954 (macho_high): Ditto.
4957 (load_macho_picbase): Ditto.
4958 (call): Add TARGET_MACHO case to modify function.
4959 (call_value): Ditto.
4960 (call_nonlocal_sysv): Add ABI_DARWIN case.
4961 (call_value_nonlocal_sysv): Ditto.
4962 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
4964 (machopic_output_stub): Ditto.
4965 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
4967 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4969 * dwarf2out.c (modified_type_die): Don't create new types here.
4970 * tree.h (get_qualified_type): New function.
4971 (build_qualified_type): Adjust comment.
4972 * tree.c (get_qualified_type): New function.
4973 (build_qualified_type): Use it.
4975 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4977 * cpp.texi (-Wtraditional): Update description.
4979 * invoke.texi (-Wtraditional): Likewise.
4981 2001-04-11 Jim Wilson <wilson@redhat.com>
4983 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
4984 requires more than 64 bits of alignment.
4986 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
4988 * cpplib.c (do_line): Sanity check iff enable checking.
4990 2001-04-11 Richard Henderson <rth@redhat.com>
4992 * Makefile.in (insn-recog.o): Depend on toplev.h.
4993 (insn-emit.o, doloop.o): Likewise.
4994 * genrecog.c, genemit.c: Include toplev.h in generated file.
4995 * doloop.c: Include toplev.h.
4997 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4999 * Makefile.in (gcse.o): Depend on params.h.
5000 * gcse.c: Include params.h.
5001 (gcse_main): Don't do GCSE if doing so will take inordinate
5003 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
5004 * params.h (MAX_GCSE_MEMORY): New macro.
5006 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5008 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
5010 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
5012 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5014 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
5016 * real.h (ereal_atof, real_value_truncate, target_isnan,
5017 target_isinf, target_negative, assemble_real, debug_real): Delete
5018 redundant prototypes.
5020 * Makefile.in (ifcvt.o): Depend on toplev.h.
5022 * c-semantics.c: Include expr.h.
5024 * ifcvt.c: Include toplev.h.
5026 * expr.h (rtx_equal_p): Delete prototype.
5028 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
5029 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
5030 eliminate_constant_term, expand_complex_abs, find_single_use,
5031 make_tree, init_expr_once, init_optabs, supports_one_only):
5034 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
5035 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
5036 expand_assignment, store_expr, emit_line_note_after,
5037 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
5039 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
5041 * sparc-protos.h: Delete redundant prototypes.
5043 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
5045 * reload.c (push_reload): Add condition missed in SUBREG byte
5048 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5050 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
5052 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
5054 * i386.md (floatsisf_sse): Fix output template
5055 * i386.c (ix86_expand_fp_movcc)
5057 * reg-stack.c (emit_pop_insn): Handle complex modes.
5058 (move_for_stack_reg): Emit proper move mode.
5059 (subst_stack_regs_pat): Handle complex modes.
5061 2001-04-11 Jakub Jelinek <jakub@redhat.com>
5063 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
5065 2001-04-10 Richard Henderson <rth@redhat.com>
5067 * libgcc2.h (__terminate_func_ptr): Remove typedef.
5068 (__pure_virtual, __terminate, __terminate_set_func,
5069 __default_terminate, __throw_type_match, __empty,
5070 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
5071 __eh_rtime_match, __unwinding_cleanup, __rethrow,
5072 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
5073 Remove prototypes of deleted functions.
5075 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5077 * c-typeck.c (convert_arguments): -Wtraditional now activates
5078 -Wconversion warnings, except for changes in signed-ness.
5079 Detect complex<->int & int<->complex conversions as well.
5081 * invoke.texi (-Wtraditional): Document it.
5083 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5085 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
5086 * flow.c (set_block_for_new_insns): Remove needless cast and
5087 properly check for unset block number.
5089 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
5091 * function.c (purge_single_hard_subreg_set): Only check REGNO if
5092 the subreg was a hard register. Pseudos are left as subregs.
5094 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5096 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
5097 (LIB2ADD_ST): New macro, pass it to mklibgcc.
5098 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
5099 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
5100 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
5102 2001-04-09 Bo Thorsen <bo@suse.co.uk>
5104 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
5106 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5108 * output.h (set_block_num): Missed it earlier, remove deprecated
5111 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5113 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
5114 (load_killed_in_block_p): Change bb parameter from int to basic_block.
5115 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
5116 (handle_rd_kill_set): Change bb parameter from int to basic_block.
5117 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
5118 (expr_killed_p): Change bb parameter from int to basic_block, pass
5119 basic_blocks instead of ints as parameters.
5120 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
5121 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
5122 from int to basic_block, pass basic_blocks instead of ints as parms.
5123 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
5124 parameter from int to basic_block, pass basic_blocks instead of ints.
5125 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
5126 (insert_insn_end_bb): Change bb parameter from int to basic_block,
5127 pass basic_blocks instead of ints.
5128 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
5129 basic_blocks instead of ints as parameters.
5130 (pre_delete): Pass basic_blocks instead of ints as parameters.
5131 (hoist_expr_reaches_here_p): Change bb parameter from int to
5132 basic_block, pass basic_blocks instead of ints.
5133 (hoist_code): Pass basic_blocks instead of ints as parameters.
5134 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
5135 Change bb parameter from int to basic_block.
5136 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
5137 (insert_insn_start_bb): Change bb parameter from int to basic_block,
5138 pass basic_blocks instead of ints.
5139 (insert_store): Pass basic_blocks instead of ints as parameters.
5140 (replace_store_insn, delete_store): Change bb parameter from int to
5141 basic_block, pass basic_blocks instead of ints.
5142 (store_motion): Pass basic_blocks instead of ints as parameters.
5144 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5146 * basic-block.h (set_new_block_for_insns): New Prototype.
5147 (set_block_num): Delete prototype.
5148 * flow.c (set_block_num): Remove obsolete function.
5149 (set_block_for_new_insns): Set BB for single or multiple insns.
5150 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
5151 (process_insn_end_bb): Use set_block_for_new_insns or
5152 set_block_for_insn instead of set_block_num.
5153 (pre_insert_copy_insn): Use set_block_for_new_insns.
5154 (update_ld_motion_stores): Use set_block_for_new_insns.
5155 (insert_insn_start_bb): Use set_block_for_new_insns.
5156 (replace_store_insn): Use set_block_for_new_insns.
5158 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5159 Jeff Law <law@redhat.com>
5161 * alias.c (get_addr): Externalize.
5162 (canon_true_dependence): New function. Behaves like true_dependance
5163 except it already assumes a MEM has been canonicalized.
5164 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
5165 * gcse.c (struct ls_expr): Add load/store expressions structure.
5166 (modify_mem_list, canon_modify_mem_list): New variable.
5167 (gcse_main): Initialize & finalize alias analysis. Use enhanced
5168 load motion and store motion if requested.
5169 (alloc_gcse_mem): Allocate space for modify_mem_list array.
5170 (free_gcse_mem): Free the modify_mem_list array.
5171 (oprs_unchanged_p): Use load_killed_in_block_p.
5172 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
5173 (mems_conflict_for_gcse_p): New function. Don't kill loads
5174 with stores to themselves if its in the load/store expression list.
5175 (load_killed_in_block_p): New function.
5176 (canon_list_insert): New Function.
5177 (record_last_mem_set_info): Keep a list of all instructions which
5178 can modify memory for each basic block.
5179 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
5180 (oprs_not_set_p): Use load_killed_in_block_p.
5181 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
5182 (expr_killed_p): Use load_killed_in_block_p.
5183 (compute_transp): Do not pessimize memory references.
5184 (pre_edge_insert): Update stores for a load motion expression.
5185 (one_pre_gcse_pass): Check loads/stores for extra load motion.
5186 (ldst_entry): Find or create a ldst_expr structure.
5187 (free_ldst_entry): Free memory for an individual item.
5188 (free_ldst_mems): Free entire load/store expression list.
5189 (print_ldst_list): Print debug info.
5190 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
5191 (enumerate_ldsts): Assign integer values to each entry in list.
5192 (first_ls_expr): First expression in the list.
5193 (next_ls_expr): Next expression in the list.
5194 (simple_mem): Check if expression qualifies for ld/st expression list.
5195 (invalidate_any_buried_refs): Remove from expression list if its
5196 used in some other way we dont understand.
5197 (compute_ld_motion_mems): Find all potential enhanced load motion
5199 (trim_ld_motion_mems): Remove any expressions which are invalid.
5200 (update_ld_motion_stores): Copy store values to registers for loads
5201 which have been moved.
5202 (regvec, st_antloc, num_store): New global statics.
5203 (reg_set_info): Marks registers as set.
5204 (store_ops_ok): Verfies registers expressions are valid in a block.
5205 (find_moveable_store): Look for moveable stores in a pattern.
5206 (compute_store_table): Find stores in a function worth moving, maybe.
5207 (load_kills_store): Check dependance of a load and store.
5208 (find_loads): Find any loads in a pattern.
5209 (store_killed_in_insn): Check if a store is killed in an insn.
5210 (store_killed_after): Check is store killed after an insn in a block.
5211 (store_killed_before): Check is store killed before an insn in a block.
5212 (build_store_vectors): Generate the antic and avail vectors.
5213 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
5214 (insert_store): Add a store to an edge.
5215 (replace_store_insn): Replace a store with a SET insn.
5216 (delete_store): Delete a store insn.
5217 (free_store_memory): Free memory.
5218 (store_motion): Perform store motion.
5219 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
5220 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
5221 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
5222 (f_options): Add gcse-lm and gcse-sm.
5224 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
5226 * i386.c (expand_fp_movcc): Fix condition reversal code.
5228 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
5229 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
5230 (CLASS_MAX_NREGS): Use it.
5232 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
5233 handle properly complex values.
5234 (CLASS_MAX_NREGS): Likewise; update comment.
5236 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5238 * ia64.c (ia64_flag_schedule_insns2): New variable.
5239 (ia64_override_options): Initialize it. Clear
5240 flag_schedule_insns_after_reload.
5241 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
5243 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5245 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
5246 Do not require source to match destination anymore;
5247 Add abort to the nontrivial cases that should be handled by split.
5248 (fix_trunc?fdi): Add SSE case for x86_64.
5249 (floatdi?f): Likewise.
5250 (floatdi?f_sse): New.
5251 (fix_trunc?fdi_sse): New.
5253 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
5255 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
5256 (DEBUG_ARANGES_END_LABEL): Ditto.
5257 (dwarfout_init): Generate length and version fields at the start
5258 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
5259 after the length field.
5260 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
5261 the .debug_aranges info.
5263 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5265 * i386.c (call, call_value): Make sure that resulting call_insn
5266 does have proper second operand.
5268 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
5270 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
5271 function. Remove include of sys/cygwin.h.
5273 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
5275 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
5276 (CPP_SPEC): Always search */include/w32api for header files.
5277 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
5278 (LINK_SPEC): Add "cyg" to the library search prefixes.
5280 2001-04-08 Philip Blundell <philb@gnu.org>
5282 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
5284 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
5286 * cpperror.c (print_location): Don't special case <stdin>.
5287 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
5288 WARNING, but we don't check if we're in system headers.
5289 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
5290 * cpplib.c (do_warning): Warn in system headers.
5292 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
5294 * mbchar.c: Include config.h first.
5296 2001-04-07 Zack Weinberg <zackw@stanford.edu>
5298 * config.gcc: Set default for xmake_file at top, not bottom.
5299 Change places that set xmake_file to "none" to set to the
5300 empty string instead, or remove them entirely if there is no
5301 default xmake_file for this cpu_type. Remove references to
5304 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
5305 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
5306 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
5307 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
5308 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
5309 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
5310 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
5311 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
5312 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
5313 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
5316 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
5317 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
5318 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
5319 config/mips/x-sysv, config/rs6000/x-aix31:
5320 Just set CLIB to -lld or -lmld, as appropriate.
5322 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
5323 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
5324 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
5325 config/mips/x-iris, config/pa/x-pa:
5326 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
5327 OTHER_FIXINCLUDES_DIRS.
5329 * config/i386/x-djgpp: Don't set LN or LN_S.
5330 * config/m88k/x-dolph: Don't define __m88k__.
5331 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
5332 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
5333 * config/i860/fx2800.h: No need to #undef SVR4.
5335 38 x-host fragments remain, 2 x-cpu.
5337 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5339 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
5341 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5343 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
5345 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5347 * configure.in: Add check for lstat.
5348 * configure, config.in: Regenerate.
5349 * cppinit.c (append_include_chain): Make empty path ".".
5350 * cpplib.c (do_line): Don't simplify #line paths.
5351 * cppfiles.c (remove_component_p): New function.
5352 (find_or_create_entry): Acknowledge stat () errors during
5353 path simplification.
5354 (handle_missing_header): Don't simplify paths.
5355 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
5356 the empty path untouched. Don't leave a trailing '/'.
5358 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
5360 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5361 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5363 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5365 * cppfiles.c (open_file): Fail directories silently, but
5366 with an errno of NOENT set.
5367 (read_include_file): Move the common exit code to the sole
5368 caller. Return an int indicating success or failure. Let
5369 open_file handle directories.
5370 (stack_include_file): If read_include_file fails,
5371 push a "null" buffer.
5373 2001-04-05 DJ Delorie <dj@redhat.com>
5375 * function.h (virtuals_instantiated): Declare.
5376 * function.c: (virtuals_instantiated): Make global.
5377 * calls.c (emit_library_call_value_1): Use
5378 virtual_outgoing_args_rtx only if it hasn't been instantiated.
5379 Otherwise, use the stack pointer directly.
5381 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5383 * i386.c (x86_initialize_trampoline): New global function.
5384 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
5385 (INITIALIZE_TRAMPOLINE): Move offline.
5386 * i386-protos.h (x86_initialize_trampoline): Declare.
5388 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5390 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
5391 (lea_0): Rename to lea_1.
5392 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
5393 (lea_general_?): Allow SImodes on TARGET_64BIT
5394 (lea_general_?_zext): New patterns.
5395 (call_1, call_1_rex64): Fix.
5397 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5399 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
5401 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5403 * i386.c (function_arg): Return constm1_rtx for last argument.
5404 (ix86_expand_prologue): Update gen_call calls.
5405 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
5406 * i386.md (call_pop): Likewise.
5407 (call): Second operand is VOIDmode.
5408 (call_0): Likewise; Support 64bits.
5409 (call_exp): New expander.
5410 (call_1): Get to the sync.
5411 (call_1_exp): New pattern.
5412 (call_value): Support 64bit.
5413 (call_value_exp): New pattern.
5414 (untyped_call): Update gen_call call.
5415 (call_value_pop): Disable for 64bit.
5416 (call_value_0_rex64): New pattern.
5417 (call_value_1_rex64): Likewise.
5419 2001-04-05 Bo Thorsen <bo@suse.de>
5421 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
5423 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
5425 * i386.md (*andsi_1+3): If used after reload, make sure the operand
5426 satisfies ANY_QI_REG_P.
5428 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5430 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
5433 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
5436 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5438 * config.gcc: Remove default for xm_file. Clean up local
5439 machine type handling. Remove settings of xm_file to
5440 something that doesn't exist. In the big switch, set xm_file,
5441 don't append to it (the value before the big switch is always
5442 null). Don't force build_xm_file or host_xm_file to have a value.
5443 * configure.in: Remove default for xm_file. Do not special
5444 case $cpu/xm-$cpu.h not existing.
5445 * configure: Regenerate.
5447 2001-04-04 Diego Novillo <dnovillo@redhat.com>
5449 * simplify-rtx.c (simplify_binary_operation): Check for overflow
5450 when folding integer division and modulo operations.
5452 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
5454 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
5455 instead of DWARF2_ADDR_SIZE for EH addresses.
5456 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
5459 2001-04-04 Richard Henderson <rth@redhat.com>
5461 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
5462 * config/ia64/t-glibc (LIB2ADDEH): Disable.
5463 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
5465 2001-04-04 Richard Henderson <rth@redhat.com>
5467 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
5468 * configure: Rebuilt.
5470 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5472 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
5473 push insns to delete to it instead of deleting them.
5474 (delete_null_pointer_checks): Delete insns from delete_list after
5475 all delete_null_pointer_checks_1 passes are done.
5477 2001-04-04 Richard Henderson <rth@redhat.com>
5479 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
5480 * configure: Rebuilt.
5482 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5484 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
5485 * config/romp/xm-romp.h: Delete.
5487 2001-04-04 Bernd Schmidt <bernds@redhat.com>
5489 * sched-deps.c (sched_analyze_insn): Partially revert March 27
5492 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5494 * emit-rtl.c (mark_label_nuses) Increment the label uses for
5495 all labels present in rtx.
5496 (try_split) Call new function for all split insns.
5498 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5500 * recog.c (validate_replace_rtx_1): Instead of aborting just make
5501 sure the change won't be validated.
5503 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
5505 * rtl.h (set_noop_p): Declare.
5506 * flow.c (set_noop_p): Move from here ...
5507 * rtlanal.c (set_noop_p): ... to here and enhance.
5508 * cse.c (delete_trivially_dead_insns): Use it.
5509 * gcse.c (hash_scan_set): Likewise.
5510 * jump.c (delete_noop_moves): Likewise.
5511 * recog.c (split_all_insns): Likewise.
5513 2001-04-04 Alan Modra <alan@linuxcare.com.au>
5515 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
5516 stack pointer via a LO_SUM. Ditto for setting a temp register
5517 used to save to the stack. Set cfa_temp when setting fp, and
5518 allow matches to cfa_temp in addition to cfa_store when saving
5519 regs. Handle POST_INC and LO_SUM register stores. Document the
5520 changes and errors in rule 12 doco.
5522 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
5523 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
5524 (load_reg): Move closer to epilogue code.
5525 (DO_FRAME_NOTES): Define to control the following..
5526 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
5527 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
5529 (hppa_expand_epilogue): Likewise.
5531 2001-04-03 Richard Henderson <rth@redhat.com>
5533 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
5534 * configure: Rebuild.
5536 2001-04-03 Richard Henderson <rth@redhat.com>
5538 * rtl.h (LCT_THROW): New.
5539 * calls.c (emit_library_call_value_1): Handle it.
5540 * except.c (connect_post_landing_pads): Use it.
5542 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5544 * gansidecl.h: Delete file.
5545 * configure.in: Change all refs to gansidecl.h to use
5546 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
5548 * configure: Regenerate.
5550 * Makefile.in (intl.o): Don't depend on gansidecl.h.
5551 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
5552 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
5553 Don't include gansidecl.h.
5554 * intl.c, main.c, version.c, fixinc/fixlib.h,
5555 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
5558 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5560 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
5563 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5565 * config/i386/xm-beos.h, config/i386/xm-isc.h,
5566 config/i386/xm-next.h, config/i386/xm-sco.h,
5567 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
5568 config/m88k/xm-m88k.h: Delete.
5570 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
5571 * config/romp/xm-romp.h: Don't define bcopy.
5572 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
5573 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
5575 * config.gcc: Remove references to deleted files.
5577 14 xm-host.h remain, 1 xm-cpu.h.
5579 2001-04-03 Jakub Jelinek <jakub@redhat.com>
5580 David S. Miller <davem@pierdol.cobaltmicro.com>
5581 Andrew MacLeod <amacleod@redhat.com>
5583 Use byte offsets in SUBREGs instead of words.
5585 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
5586 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
5587 to pass new argument.
5588 (add_stored_regs): Use subreg_regno_offset function.
5589 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
5591 (precompute_arguments): Use gen_lowpart_SUBREG.
5592 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
5593 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
5594 (simplify_set): Rework to use SUBREG_BYTE.
5595 (expand_field_assignment): Use SUBREG_BYTE.
5596 (make_extraction): Use SUBREG_BYTE.
5597 (if_then_else_cond): Use SUBREG_BYTE.
5598 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
5599 (gen_lowpart_for_combine): Compute full byte offset.
5600 * cse.c (mention_regs): Use SUBREG_BYTE.
5601 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
5602 (canon_hash): Use SUBREG_BYTE.
5603 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
5604 (gen_lowpart_if_possible): Formatting.
5605 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
5607 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5608 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5609 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5610 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5611 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5612 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5613 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
5614 certain invariants about SUBREGs the compiler creates.
5615 (gen_lowpart_SUBREG): New function.
5616 (subreg_hard_regno): New function to get the final register number.
5617 (gen_lowpart_common): Use SUBREG_BYTE.
5618 (gen_imagpart): Spacing nits.
5619 (subreg_realpart_p): Use SUBREG_BYTE.
5620 (gen_highpart): Use SUBREG_BYTE.
5621 (subreg_lowpart_p): Always compute endian corrected goal offset,
5622 even at the byte level, then compare against that.
5623 (constant_subword): New function, pulled out all constant cases
5624 from operand_subword and changed second argument name to offset.
5625 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
5626 and call constant_subword to do the work. Return const0_rtx if
5627 looking for a word outside of OP.
5628 (operand_subword_force): Change second arg name to offset.
5629 * expmed.c (store_bit_field): Use SUBREG_BYTE.
5630 (store_split_bit_field): Use SUBREG_BYTE.
5631 (extract_bit_field): Use SUBREG_BYTE.
5632 (extract_split_bit_field): Use SUBREG_BYTE.
5633 (expand_shift): Use SUBREG_BYTE.
5634 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
5635 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
5636 * flow.c (set_noop_p): Use SUBREG_BYTE.
5637 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
5638 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
5639 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
5641 (optimize_bit_field): Use SUBREG_BYTE.
5642 (purge_addressof_1): Use SUBREG_BYTE.
5643 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
5644 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
5645 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
5646 * gengenrtl.c (special_rtx): Add SUBREG.
5647 * global.c (mark_reg_store): Use SUBREG_BYTE.
5648 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
5649 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
5650 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
5651 final byte offset is congruent to subreg's mode size.
5652 (subst_constants): Use SUBREG_BYTE.
5653 (mark_stores): Use subreg_regno_offset function.
5654 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
5655 function and SUBREG_BYTE.
5656 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
5657 (reg_is_born): Use subreg_hard_regno.
5658 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
5659 endian correction code. Don't combine subregs unless resulting
5660 offset aligns with type. Fix subreg constant extraction for DImode.
5661 Simplify SUBREG of VOIDmode CONST_DOUBLE.
5662 (general_operand): Remove dead mode_altering_drug code.
5663 (indirect_operand): Use SUBREG_BYTE.
5664 (constrain_operands): Use subreg_regno_offset function.
5665 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
5666 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
5667 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
5668 * regs.h (REG_SIZE): Allow target to override.
5669 (REGMODE_NATURAL_SIZE): New macro which target can override.
5670 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
5671 on the entire subreg rtx.
5672 (push_reload): Use SUBREG_BYTE in comments and code.
5673 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
5674 for hard registers inside subregs.
5675 (operands_match_p): Use subreg_regno_offset.
5676 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
5677 containing hard regs.
5678 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
5679 corrections when fixing up MEM subregs.
5680 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
5681 subreg_regno_offset where appropriate.
5682 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
5683 byte endian corrections when fixing up MEM subregs.
5684 (subst_reloads): When combining two subregs, make sure final
5685 offset is congruent to subreg's mode size.
5686 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
5687 (refers_to_regno_for_reload_p): Use subreg_regno.
5688 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
5689 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
5690 correction code for memory subreg fixups.
5691 (forget_old_reload_1): Use subreg_regno_offset.
5692 (choose_reload_regs): Use subreg_regno.
5693 (emit_input_reload_insns): Use SUBREG_BYTE.
5694 (reload_combine_note_store): Use subreg_regno_offset.
5695 (move2add_note_store): Use subreg_regno_offset.
5696 * resource.c (update_live_status, mark_referenced_resources): Use
5697 subreg_regno function.
5698 (mark_set_resources): Use subreg_regno function.
5699 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
5700 (subreg_regno_offset, subreg_regno): Define prototypes.
5701 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
5702 (gen_lowpart_SUBREG): Add prototype.
5703 * rtl.texi (subreg): Update to reflect new byte offset representation.
5704 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
5705 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
5706 (reg_overlap_mentioned_p): Use subreg_regno.
5707 (replace_regs); Make sure final offset of combined subreg is
5708 congruent to size of subreg's mode.
5709 (subreg_regno_offset): New function.
5710 (subreg_regno): New function.
5711 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
5712 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
5713 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
5714 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
5715 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
5716 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
5717 (a29k_get_reloaded_address): Use SUBREG_BYTE.
5718 (print_operand): Use SUBREG_BYTE.
5719 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
5720 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
5721 (arm_reload_out_hi): Use SUBREG_BYTE.
5722 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
5723 instead of SUBREG_WORD.
5724 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
5725 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
5726 SUBREG creation to use byte offset.
5727 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
5728 inverted load insns): Fix explicit rtl subregs to use byte
5730 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
5731 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
5732 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
5733 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
5734 to use byte offsets.
5735 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
5736 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
5737 offsets, also make sure it is congruent to SUBREG's mode size.
5738 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
5739 unnamed ldob insn): Generate SUBREGs with byte offset.
5740 (zero_extendqihi2): SUBREG's are byte offsets.
5741 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
5742 (m68hc11_gen_highpart): Use SUBREG_BYTE.
5743 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
5744 zero-extendqisi2): Generate SUBREGs with byte offset.
5745 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
5746 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
5747 subregs in rtl to use byte offsets.
5748 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
5749 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
5750 (mips_move_2words): Use subreg_regno_offset.
5751 (mips_secondary_reload_class): Use subreg_regno_offset.
5752 * config/mips/mips.md (DImode plus, minus, move, and logical op
5753 splits): Fixup explicit subregs in rtl to use byte offsets.
5754 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
5755 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
5756 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
5757 rtl to use byte offsets.
5758 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
5759 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
5760 subregs to use byte offsets.
5761 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
5762 Fixup explicit subregs in rtl to use byte offsets.
5763 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
5764 and remove byte endian correction code.
5765 * config/sh/sh.c (output_movedouble): Use subreg_regno.
5766 (gen_ashift_hi): Use SUBREG_BYTE.
5767 (regs_used): Use subreg_regno_offset.
5768 (machine_dependent_reorg): Use subreg_regno_offset.
5769 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
5770 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
5771 (movdf_i4): Subregs are byte offsets now.
5772 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
5773 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
5774 (REGMODE_NATURAL_SIZE): Override.
5775 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
5776 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
5778 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
5779 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
5780 extendqidi2): Generate SUBREGs with byte offsets, also make sure
5781 it is congruent to SUBREG's mode size.
5782 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
5784 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
5785 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
5786 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
5787 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
5788 * config/v850/v850.c (print_operand, output_move_double): Use
5789 subreg_regno function.
5791 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
5793 * configure.in (target_subdir): Use target_alias, not target.
5794 * configure: Rebuilt.
5796 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
5798 * config/sh/crti.asm: Fix typos in comments.
5800 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5802 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
5803 TARGET_FAST_INDIRECT_CALLS.
5804 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
5806 (return_addr_rtx): Short circuit export stub matching when
5807 TARGET_NO_SPACE_REGS.
5808 (output_millicode_call): For out of range calls, make -fPIC
5809 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
5810 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
5811 * pa.md: Modify length attr calculation of all millicode insns to
5814 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
5816 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
5817 Require at least 2.11 in the version test. Specifically check
5818 for and reject GAS version 2.10.90.
5819 * configure: regenerate.
5821 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5823 * pa.c (override_options): Remove PIC profiling warning.
5824 (hp_profile_labelno): Delete.
5825 (hp_profile_label_rtx): Delete.
5826 (hp_profile_label_name): Delete.
5827 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
5828 (output_function_prologue): Remove profiling code and all tests on
5829 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
5830 merge_sp_adjust_with_store can work for PIC and profiling.
5831 (hppa_expand_epilogue): Remove profile_flag test.
5832 (hppa_can_use_return_insn_p): Likewise.
5833 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
5834 cater for PROFILE_HOOK.
5835 (hppa_profile_hook): New function.
5836 * pa.h (FUNCTION_PROFILER): Now does nothing.
5837 (PROFILE_HOOK): Define.
5838 (hppa_profile_hook): Declare.
5839 (PROFILE_BEFORE_PROLOGUE): Delete.
5840 (ASM_OUTPUT_REG_PUSH): Delete.
5841 (ASM_OUTPUT_REG_POP): Delete.
5842 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
5843 r24. Accept function name operand, and use this and a locally
5844 generated label to calculate pc-rel offset to func start.
5846 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5848 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
5849 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
5852 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5854 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
5855 LO_SUM cases to where they belong.
5857 2001-04-02 Richard Henderson <rth@redhat.com>
5859 * except.h (lang_eh_type_covers): Mark extern.
5860 (lang_eh_runtime_type): Likewise.
5862 2001-04-02 Zack Weinberg <zackw@stanford.edu>
5864 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
5865 gengenrtl.c: Wrap generated header in multiple-include guard.
5866 Improve error checking.
5868 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5870 * configure.in: Don't check for putenv.
5871 * configure: Regenerate.
5872 * gcc.c (putenv): Don't define.
5873 * vax/xm-vms.h: Handle putenv.
5875 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5877 * ifcvt.c (noce_emit_move_insn): New.
5878 (noce_try_store_flag, noce_try_store_flag_constants,
5879 noce_try_store_flag_inc, noce_try_store_flag_mask,
5880 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
5881 noce_try_abs): Use it.
5882 (noce_process_if_block): Likewise.
5883 For STRICT_LOW_PART, take mode from its SUBREG.
5885 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5887 * fold-const.c (fold): Before optimizing unsigned comparison with
5888 0x7fffffffU, make sure arg0 is integral type.
5890 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
5892 * c-tree.texi: Document representation of wide strings.
5894 2001-04-01 Richard Henderson <rth@redhat.com>
5896 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
5898 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
5900 * i386.md: remove obsoleted comments.
5901 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
5902 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
5903 fix output template.
5905 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
5907 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
5909 2001-03-30 Bernd Schmidt <bernds@redhat.com>
5911 * loop.c (load_mems): When generating a load from a pseudo, update
5914 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5916 * i386.c (ix86_split_long_move): Use change address to compensate
5917 stack pointer change in push instruction.
5919 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5921 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
5922 instead of rtx_equal_p; fix the output template.
5924 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
5926 * i386.c (ix86_expand_setcc): Support 64bit.
5927 (ix86_expand_int_movcc): Likewise.
5928 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
5931 * i386.md (allocate_stack_worker): Turn to expander.
5932 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
5934 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
5936 2001-03-29 Richard Henderson <rth@redhat.com>
5938 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
5940 2001-03-28 Matthew Hiller <hiller@redhat.com>
5942 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
5945 * MAINTAINERS: Added self.
5947 2001-03-28 Richard Henderson <rth@redhat.com>
5949 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
5950 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
5952 2001-03-28 Jim Wilson <wilson@redhat.com>
5954 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
5957 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5959 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
5961 * tradcif.y (yyerror): Likewise. Add format specifier in call to
5964 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
5966 2001-03-28 DJ Delorie <dj@redhat.com>
5968 * Makefile.in (stage1_build): Revert CFLAGS patch.
5970 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
5972 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
5973 when multiplier or multiplicand is zero.
5975 2001-03-28 Bernd Schmidt <bernds@redhat.com>
5977 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
5979 * config/ia64/ia64.c (update_set_flags): New function, broken out of
5981 (set_src_needs_barrier): Likewise.
5982 (rtx_needs_barrier): For SET case, use these two functions. Rework
5983 PARALLEL case to handle all inputs before all outputs.
5984 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
5985 saw a label and no stop bit since then.
5986 (maybe_rotate, process_epilogue): Add prototypes.
5988 2001-03-28 Richard Henderson <rth@redhat.com>
5990 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
5991 not TARGET_TOC for special toc restore handling.
5992 * config/rs6000/rs6000.md (eh_return): Likewise.
5994 2001-03-28 Richard Henderson <rth@redhat.com>
5996 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
5997 current_function_calls_eh_return.
5998 (output_function_epilogue): Handle eh_return.
5999 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
6000 (EH_RETURN_DATA_REGNO): New.
6001 (EH_RETURN_STACKADJ_RTX): New.
6002 (EH_RETURN_HANDLER_RTX): New.
6003 * config/sparc/sparc.md (call/short branch peepholes): Check
6004 can_throw_internal instead of in_same_eh_region.
6006 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
6007 for eh_return data registers.
6008 (rs6000_emit_prologue): Save eh_return data registers.
6009 (rs6000_emit_epilogue): Force inline restores if eh_return.
6010 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
6011 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
6012 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
6013 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
6014 the target uses one.
6015 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
6016 (return_eh_si, return_eh_di): Remove.
6017 (eh_return): New, from corpse of eh_epilogue.
6018 (eh_set_lr_si, eh_set_lr_di): New.
6020 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
6021 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
6022 True for pic register if current_function_calls_eh_return.
6023 (ix86_expand_epilogue): Change "emit_return" argument into "style".
6024 Handle eh_return requirements.
6025 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
6026 (EH_RETURN_STACKADJ_RTX): New.
6027 * config/i386/i386.md (exception_receiver): Remove.
6028 (eh_return, eh_return_1): New.
6029 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6031 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
6032 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
6033 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
6034 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
6035 (EH_RETURN_DATA_REGNO): New.
6036 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
6037 * config/alpha/alpha.md (eh_epilogue): Remove.
6038 (exception_receiver): Use $26 for ldgp input.
6039 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6041 2001-03-28 Richard Henderson <rth@redhat.com>
6043 * except.c: Rewrite entirely for IA-64 ABI exception handling.
6044 * except.h: Likewise.
6046 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
6047 (LIB2ADDEHDEP): New.
6048 (LIB2FUNCS_EH): Remove.
6049 (LIB2ADD): Remove LIB2ADDEH.
6050 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
6051 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
6052 (crt{begin,end}[S].o): Likewise.
6053 (except.o): Update includes.
6054 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
6055 (libgcc2_c_dep): Use LIB2ADDEHDEP.
6057 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
6058 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
6059 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
6060 * builtins.c (expand_builtin): Implement it.
6061 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
6062 * c-common.c (c_common_nodes_and_builtins): Declare it.
6063 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
6064 * calls.c (libfunc_nothrow): Remove.
6065 (emit_library_call_value_1): Don't call it.
6066 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
6067 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
6068 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
6069 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
6070 (current_funcdef_number): Globalize.
6071 (output_call_frame_info): Emit frame data if an lsda is needed.
6072 Generate augmentation for personality routine. Don't play with
6074 (dwarf2out_begin_prologue): Record funcdef_number.
6075 * dwarf2out.h (current_funcdef_number): Declare.
6076 * expr.c (expand_expr): Update for except.h name changes.
6077 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
6078 * expr.h (LTI_throw, LTI_rethrow): Remove.
6079 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
6080 (LTI_eh_rtime_match): Remove.
6081 (LTI_unwind_resume, LTI_eh_personality): Add.
6082 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
6083 * final.c (final): Don't call check_exception_handler_labels,
6084 init_insn_eh_region, or free_insn_eh_region.
6085 (final_scan_insn): Always emit debug labels for
6086 NOTE_INSN_EH_REGION notes.
6087 * flags.h (flag_new_exceptions): Remove.
6088 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
6089 (record_active_eh_regions): Remove.
6090 (count_basic_blocks): Check all instructions for REG_EH_REGION.
6091 Use can_throw_internal.
6092 (find_basic_blocks_1): Likewise.
6093 (move_stray_eh_region_notes): Remove.
6094 (find_label_refs): No eh_return_stub_label.
6095 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
6096 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
6098 (delete_unreachable_blocks): Don't track deleted handlers.
6099 (flow_delete_block): Use maybe_remove_eh_handler.
6100 (delete_eh_regions): Remove.
6101 (merge_blocks): Don't check for eh region match.
6102 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
6103 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
6104 (init_propagate_block_info): Disable dead frame store optimization
6105 when current_function_calls_eh_return.
6106 (dump_bb): Don't print eh_beg, eh_end.
6107 * function.c (fixup_var_refs): No catch_clauses.
6108 (expand_function_end): Likewise. Call expand_eh_return before
6109 the return register use. Call sjlj_emit_function_exit_after.
6110 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
6111 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
6112 * ifcvt.c (dead_or_predicable): Remove eh region check.
6113 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
6114 Don't check for EH vs parameters.
6115 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
6116 (expand_inline_function): Call duplicate_eh_regions.
6117 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
6118 (copy_insn_notes): Remap REG_EH_REGION notes.
6119 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
6120 * integrate.h (struct inline_remap): Add local_return_label.
6121 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
6122 check_exception_handler_labels, nor exception_optimize.
6123 (find_cross_jump): No EH region check.
6124 * optabs.c (init_optabs): Update for changed eh libfuncs.
6125 * rtl.def (RESX): New.
6126 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
6127 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
6128 checks. Update for except.h name changes.
6129 (expand_cleanups): Likewise.
6130 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
6131 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
6132 (compile_file): Call init_eh before init_optabs. Don't
6133 output_exception_table here.
6134 (rest_of_compilation): Call convert_from_eh_region_ranges,
6135 convert_to_eh_region_ranges, output_function_exception_table.
6136 Don't emit_eh_context.
6137 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
6138 (EXC_PTR_EXPR): New.
6140 * md.texi (eh_epilogue): Remove.
6141 (eh_return): Document.
6142 * tm.texi (EH_RETURN_DATA_REGNO): Document.
6143 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
6145 * eh-common.h: Remove file.
6146 * frame-dwarf2.c, frame.c, frame.h: Remove files.
6147 * libgcc2.c (L_eh): Remove.
6149 * unwind-dw2-fde.c: New file, largely copied from frame.c.
6150 * unwind-dw2-fde.h: New file.
6151 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
6152 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
6153 * libgcc-std.ver: Update for eh symbols.
6155 2001-03-27 Richard Henderson <rth@redhat.com>
6157 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
6158 reduce false positives.
6159 (regmove_optimize): Disable if flag_non_call_exceptions.
6161 * stmt.c (expand_return): Remove always true predicate.
6162 (expand_decl_cleanup_no_eh): Remove dead code.
6164 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
6165 barrier code. Add a scheduling barrier if a non-call insn
6166 can throw internally.
6168 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
6169 Auto-inc addresses trap only if their base register does.
6171 * except.c (can_throw_internal): Rename from can_throw.
6172 * except.h, resource.c: Update references.
6174 * integrate.c (copy_insn_list): Use returnjump_p.
6175 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
6177 * function.h (struct function): Move all boolean valued fields
6178 to single bit fields at the end of the struct.
6180 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
6182 Rename asynchronous_exceptions to flag_non_call_exceptions.
6184 * gthr-single.h (UNUSED): New. Distinguish between how C
6185 and C++ mark unused function arguments. Use throughout.
6187 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
6188 value to target configuration header.
6189 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
6190 * config.in, configure: Rebuild.
6191 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
6192 configuration and target defines.
6193 (exceptions_via_longjmp): Remove.
6194 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
6195 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
6197 * except.h (flag_non_call_exceptions): Move ...
6198 * flags.h: ... here.
6200 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
6201 exceptions, put the note on the trapping instruction.
6203 * flags.h (flag_new_exceptions): Remove.
6204 * toplev.c: Don't set it.
6205 * final.c: Don't check it.
6206 * except.c: Provide stub definition.
6208 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
6209 (calculate_global_regs_live): Kill call-clobbered registers
6210 across exception edges.
6211 * reg-stack.c (convert_regs_1): Kill the entire target stack
6212 across non-call exception edges.
6214 * flow.c (cleanup_cfg): Take no argument.
6215 * output.h, sibcall.c, toplev.c: Update all calls.
6217 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6219 * configure.in: Don't check for bcopy.
6220 * configure, config.in: Regenerate.
6222 * system.h: Don't define or prototype bcopy, instead poison it.
6224 2001-03-27 Richard Henderson <rth@redhat.com>
6226 * function.c (expand_function_start): Set DECL_REGISTER on
6227 a pseudo used for DECL_RESULT.
6229 * rtl.h (LCT_NORETURN): New.
6230 * calls.c (emit_library_call_value_1): Handle it.
6232 2001-03-27 Stan Shebs <shebs@apple.com>
6234 * objc/objc-act.c (objc_init): Use dump_base_name.
6235 (gen_declaration): Clear the buffer arg.
6236 (gen_declaration_1): New function, body of gen_declaration.
6237 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
6238 (gen_method_decl): Ditto, plus always clear buffer arg.
6239 (error_with_ivar): Simplify.
6240 (warn_with_method): Ditto.
6241 (build_message_expr): Don't clear buffers.
6242 (dump_interface): Ditto.
6243 (objc_debug): Ditto.
6244 (build_keyword_selector): Clear the buffer by only zeroing
6246 (objc_implementation_context): Declare.
6247 (start_class): Warn about missing @end.
6248 (finish_objc): Ditto.
6250 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
6252 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
6254 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6256 * Makefile.in (SYSTEM_H): Define.
6257 Depend on $(SYSTEM_H), not system.h.
6259 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
6261 2001-03-27 Jim Wilson <wilson@redhat.com>
6263 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
6265 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
6266 (process_epilogue): New static function.
6267 (process_set): Call process_epilogue instead of emitting .restore
6269 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
6271 * flow.c (struct reg_cond_life_info): New fields orig_condition
6273 (init_propagate_block_info): Set new fields.
6274 (mark_regno_cond_dead): Set and use new fields.
6275 (flush_reg_cond_reg_1): Likewise.
6276 (and_reg_cond, case AND): Check for redundant AND conditions.
6277 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
6280 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
6282 * cppmacro.c (stringify_arg): Null terminate strings.
6284 2001-03-27 Zack Weinberg <zackw@stanford.edu>
6286 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
6287 inclusion style. xm-m68hc11.h no longer exists.
6288 * config/m68hc11/xm-m68hc11.h: Delete file.
6289 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
6291 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
6292 Don't define GCC_VERSION, N_, or PARAMS; don't include
6293 gansidecl.h or stdio.h. Define inhibit_libc here.
6294 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6295 Delete code conditioned on #if GCC_VERSION == 2095.
6297 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
6298 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6299 Delete code conditioned on #if GCC_VERSION == 2095.
6301 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6303 * system.h: Include symcat.h.
6304 (STRINGIFY): Don't define.
6306 * configure.in: Adjust comment.
6308 * builtins.c: Use STRINGX, not STRINGIFY.
6309 * gencheck.c: Likewise.
6310 * gengenrtl.c: Likewise.
6311 * protoize.c: Likewise.
6313 * cpplex.c: Don't include symcat.h.
6314 * cpplib.c: Likewise.
6316 * gansidecl.h (HAVE_STRINGIZE): Don't define.
6318 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6320 * c-typeck.c (digest_init): Fold init expression.
6322 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6324 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
6326 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6328 * except.c (eh_regs): Save results of build_pointer_type to a temp
6329 as FUNCTION_VALUE macro may evaluate its args multiple times.
6331 2001-03-26 Mark Mitchell <mark@codesourcery.com>
6333 * c-common.h (DECL_NUM_STMTS): New macro.
6334 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
6336 (pushdecl): Likewise.
6337 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
6338 * integrate.c (expand_inline_function): Don't check
6340 * print-tree.c (print_node): Don't print it.
6341 * toplev.c (rest_of_compilation): Don't try to inline when
6342 flag_no_inline is on.
6343 * tree.h (DECL_FRAME_SIZE): Remove.
6344 (tree_decl): Adjust accordingly.
6346 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6348 * combine.c (try_combine): Use memcpy, not bcopy.
6350 * genattrtab.c (expand_units): Likewise.
6352 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6354 * i386.md (push mem DI peep2): New.
6355 (mov 0, mov -1 peep2): Handle 64bit.
6356 (lea to arithmetics peep2): Handle 64bit leas.
6357 (rsp arithmetics to push/pop peep2s): New.
6359 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
6361 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6363 * i386.c (struct machine_function): Add save_varrargs_registers.
6364 (ix86_save_varrargs_registers): New macro.
6365 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
6366 (ix86_expand_prologue): Likewise.
6367 (ix86_emit_epilogue_esp_adjustement): Likewise.
6368 (ix86_expand_epilogue): Likewise.
6369 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
6370 (pro_epilogue_adjust_stack_1): New insn.
6371 (pro_epilogue_adjust_stack_rex64): Likewise.
6372 * i386.h (MASK_NO_RED_ZONE): New constant.
6373 (TARGET_RED_ZONE): New macro.
6374 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
6375 (RED_ZONE_SIZE): New constant.
6376 (RED_ZONE_RESERVE): New constant.
6378 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6380 * toplev.c (set_float_handler): Use memcpy, not bcopy.
6382 2001-03-25 Kazu Hirata <kazu@hxi.com>
6384 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
6387 (umodhi3): Likewise.
6390 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6392 * mkconfig.sh (DEFINES): Handle entries with '='.
6394 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
6395 Set xm_defines to MACRO=value instead.
6397 * i370/xm-mvs.h: Delete.
6399 * ns32k/xm-pc532-min.h: Likewise.
6401 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6403 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
6405 use ix86_expand_binary_operator
6406 (?sh??i_?): Disable for 64bit.
6407 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
6408 * i386.c (shiftdi_operand): New predicate.
6410 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
6411 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
6412 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
6413 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
6414 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
6415 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
6416 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
6417 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
6418 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
6419 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
6420 (rotldi3, rotrdi3): New expanders.
6422 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
6424 * i386.md (movstrsi): Move offline.
6426 (strmovdi_rex64): New.
6427 (strmov?i): Accept 64bit.
6428 (strmov?i_rex64): New.
6429 (strmov?i_rex_1): New.
6430 (strmov?i_1): Disable for 64bit.
6431 (rep_mov?i_rex64): New.
6432 (rep_mov?i): Disable for 64bit.
6433 (clrstrsi): Move offline.
6434 (strset?i_rex64): New.
6435 (strset?i: Accept 64bit.
6436 (rep_stos?i): Disable for 64bit.
6437 (rep_stos?i_rex64): New.
6438 (strset?i_rex_1): New.
6439 (strset?i_1): Disable for 64bit.
6440 (cmpstrsi): Accept 64bit.
6441 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
6442 (cmpstrqi_nz_rex_1): New.
6443 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
6444 (strlensi): Move offline.
6446 (strlenqi_1): Disable for 64bit; fix constraints.
6447 (strlenqi_rex_1): New.
6448 * i386.c (ix86_adjust_counter): New static function.
6449 (ix86_zero_extend_to_Pmode): Likewise.
6450 (ix86_expand_aligntest): Likweise.
6451 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
6452 (ix86_expand_movstr): New global function.
6453 (ix86_expand_clrstr): New global function.
6454 (ix86_expand_strlen): New global function.
6455 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
6456 ix86_expand_strlen): Declare.
6457 (ix86_expand_strlensi_unroll_1): Delete.
6459 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
6461 * i386.md (cmpdi): Fix operand predicates.
6462 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
6463 cmpdi_1_insn_rex64): New patterns.
6464 (adddi3): Turn to expander.
6465 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
6466 (addsi3_carry_zext): New pattern.
6467 (adddi_?_rex64): New patterns and splitters.
6468 (addsi_?_zext): New patterns.
6469 (subsi3_carry_zext): New pattern.
6470 (subdi_?_rex64): New patterns and splitters.
6471 (iorsi_?_zext): New patterns.
6472 (iordi_?_rex64): New patterns and splitters.
6473 (iorsi_?_zext): New patterns.
6474 (iorsi_?_zext_imm): New patterns.
6475 (xorsi_?_zext): New patterns.
6476 (xordi_?_rex64): New patterns and splitters.
6477 (xorsi_?_zext): New patterns.
6478 (negdi*): New patterns.
6479 (one_cmpldi*): Likewise.
6480 (one_cmplsi*_zext, negsi*_zext): Likewise.
6481 (testqi_ext_3_rex64): New pattern.
6483 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
6485 * i386-protos.h (ix86_split_long_move): Return void.
6486 * i386.c (ix86_split_to_parts): Handle 64bit target.
6487 (ix86_split_long_move): Likewise.
6488 * i386.md (all calls to ix86_split_long_move): Update.
6490 2001-03-23 Richard Henderson <rth@redhat.com>
6492 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
6493 to avoid shadowing arguments.
6495 2001-03-23 Jakub Jelinek <jakub@redhat.com>
6497 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
6498 to variable names where DECL_NAME is different from
6499 DECL_ASSEMBLER_NAME.
6501 2001-03-23 Jim Wilson <wilson@redhat.com>
6503 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
6504 (assemble_alias): Call make_decl_rtl.
6506 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
6508 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
6510 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
6512 * extend.texi: Document the "java_interface" attribute.
6514 2001-03-22 Zack Weinberg <zackw@stanford.edu>
6516 * mkconfig.sh: Use a subshell with redirected stdout,
6517 instead of closing stdout and confusing commands that run
6518 afterward. Throw away output of cmp.
6520 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
6522 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
6524 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
6526 * i386.md (zero_extendsidi2_32): Break out from ...
6527 (zero_extendsidi2): ... here ; turn to expander.
6528 (zero_extendsidi2_rex64): New.
6529 (extendsidi2_32): Break out from ...
6530 (extendsidi2): ... here ; turn to expander.
6531 (extendsidi2_rex64): New.
6532 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
6533 (trunc?f?f splitters): Add 64bit versions.
6535 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
6537 * i386.md (pushsi, pushsi2_prologue): Disable.
6538 (pushsi2_rex64): New.
6539 (movabs?i_1_rex64, movabs?i_2_rex64): New.
6540 (movqi_ext_1): Disable for 64bit.
6541 (movqi_ext_1_rex64): New.
6542 (pushdi2_rex64): New pattern, peep2s and splitter.
6543 (pushdi2_prologue_rex64): New pattern.
6544 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
6546 (movdi splitters): Disable for 64bit.
6547 (movdi_1_rex64): New pattern, peep2s and splitters.
6548 (swapdi): New pattern.
6549 (pushsf): Disable for 64bit.
6550 (pushsf_rex64): New pattern and splitter.
6551 (pushdf_nointeger): Disable for 64bit.
6552 (pushdf_integer): Handle the 64bit case.
6553 (pushtf): Likewise; update splitters.
6555 2001-03-22 Richard Henderson <rth@redhat.com>
6557 * mkconfig.sh: Include insn-flags.h.
6558 * Makefile.in (CONFIG_H): Include insn-flags.h.
6559 (lots of objects): Remove insn-codes.h and insn-flags.h.
6561 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
6562 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
6563 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
6564 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
6565 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
6566 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
6567 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
6568 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
6569 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
6570 v850/v850.c, vax/vax.c:
6571 Don't include insn-flags.h.
6573 * diagnostic.c, expr.h, reload.c, toplev.c:
6574 Don't include insn-codes.h.
6576 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
6577 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
6578 c4x/c4x.c, i960/i960.c, mips/mips.c:
6579 Don't include insn-codes.h or insn-flags.h.
6581 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
6582 or insn-flags.h in the generated code.
6583 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
6584 (main): Forward declare struct rtx_def.
6586 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
6588 * invoke.texi (-ffast-math): Remove duplicate line about
6591 * gcc.texi: Remove more obsolete documentation of bugs and
6592 installation problems.
6594 2001-03-21 Kazu Hirata <kazu@hxi.com>
6596 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
6599 2001-03-20 Jason Merrill <jason@redhat.com>
6601 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
6603 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
6604 * varasm.c (CHKR_PREFIX): Likewise.
6606 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6608 * gcse.c (hash_scan_set): An expression is not anticipatible if it
6609 is part of a multi-SET insn.
6611 * cse.c (find_comparison_args): Remove previous change.
6612 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
6615 * config/i386/i386.md (conditional_trap): Remove warning.
6617 * recog.c (push_operand): Fix error in last change that caused
6618 undefined symbol on many targets.
6620 * sdbout.c: #include ggc.h.
6621 (sdbout_init): Move to end of file.
6622 Call ggc_add_tree_root for anonymous_types.
6623 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
6624 (sdbout_one_type): Use DECL_NAME for field name.
6625 * Makefile.in (sdbout.o): Show includes ggc.h.
6627 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
6629 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
6630 (override_options): Use properlimits for preferred_stack_boundary.
6631 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
6633 (ext_register_operand): Accept DImode.
6634 (load_pic_register): Abort on 64bit.
6635 (gen_push): Use Pmode instead of SImode.
6636 (ix86_save_reg): Pic reg is never used on 64bit.
6637 (ix86_expand_prologue): Likewise.
6638 (ix86_emit_save_regs): Use Pmode instead of SImode.
6639 (legitimate_address_p): Check displacement for 64bit.
6640 (print_operand): Avoid outputting of (%rip) on 64bit.
6641 (print_operand_address): Output (%rip) where possible.
6642 (split_di): Abort on 64bit registers.
6643 (ix86_expand_branch): DImode comparison is simple for x86_64.
6644 (memory_address_length): Recognize memory addresses formed using
6646 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
6648 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
6650 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
6652 * recog.c (push_operand): Recognize new format of push instructions.
6654 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
6656 * i386.md (pushqi1): New.
6657 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
6658 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6659 x86_64_immediate_operand, x86_64_immediate_operand,
6660 x86_64_zext_immediate_operand): Declare.
6661 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
6662 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6663 x86_64_immediate_operand, x86_64_immediate_operand,
6664 x86_64_zext_immediate_operand): define.
6665 * i386.h (PREDICATE_CODES): Add new predicates.
6667 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
6669 * i386.md (pophi1, popqi1, pushqi1): Remove.
6671 * expr.c (emit_single_push_insn): New function.
6672 (move_by_pieces): Accept NULL as destination for push instructions.
6673 (gen_push_operand): Kill.
6674 (emit_push_insn): Pass NULL when pushing; avoid updating of
6675 stack_pointer_delta.
6676 * expr.h (gen_push_operand): Kill.
6678 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6680 * rtl.texi (COMPARE): Clarify documentation and reference section
6683 2001-03-20 Stan Shebs <shebs@apple.com>
6685 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
6686 (get_object_reference): Ditto.
6687 (error_with_ivar): Use error_with_file_and_line.
6688 (warn_with_method): Use warning_with_file_and_line.
6690 2001-03-20 Tom Tromey <tromey@redhat.com>
6692 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
6694 2001-03-20 Mark Mitchell <mark@codesourcery.com>
6696 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
6697 variables that are TREE_PUBLIC, even if not TREE_STATIC.
6699 2001-03-20 DJ Delorie <dj@redhat.com>
6701 * Makefile.in (install-libgcc): Pass complete list of variables.
6702 (install-multilib): Ditto.
6704 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6706 * config/i386/cygwin.h: Declare ctor_section, dtor_section
6707 drectve_section, switch_to_section.
6709 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
6710 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
6711 i386_pe_mark_dllimport.
6713 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6715 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
6716 functions i386_pe_*.
6718 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
6719 i386_pe_* functions with char * arguments.
6721 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
6723 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
6725 (movsi_ie): Introduce fpul store.
6727 2001-03-20 Alan Modra <alan@linuxcare.com.au>
6729 * Makefile.in (OBJS): Remove hashtab.o.
6731 2001-03-19 Stan Shebs <shebs@apple.com>
6733 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
6734 * c-lang.c (maybe_objc_method_name): Ditto.
6735 * c-tree.h (maybe_objc_method_name): Remove decl.
6737 2001-03-19 Tom Tromey <tromey@redhat.com>
6739 * gcc.c (init_gcc_specs): Fix comment.
6741 2001-03-19 Mark Mitchell <mark@codesourcery.com>
6743 Compute DECL_ASSEMBLER_NAME lazily.
6744 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
6745 (DECL_ASSEMBLER_NAME_SET_P): New macro.
6746 (SET_DECL_ASSEMBLER_NAME): Likewise.
6747 (COPY_DECL_ASSEMBLER_NAME): Likewise.
6748 (set_decl_assembler_name): Declare.
6749 (lang_set_decl_assembler_name): Likewise.
6750 * tree.c (lang_set_decl_assembler_name): New variab.e
6751 (set_decl_assembler_name): New function.
6752 (init_obstacks): Set lang_set_decl_assembler_name.
6753 (build_decl): Don't set DECL_ASSEMBLER_NAME.
6754 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
6755 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
6756 where it's not necessary.
6757 (builtin_function): Likewise.
6758 (finish_decl): Likewise.
6759 * dbxout.c (dbxout_type_methods): Likewise.
6760 * ggc-common.c (ggc_mark_trees): Likewise.
6761 * profile.c (output_func_start_profiler): Likewise.
6762 * varasm.c (make_decl_rtl): Likewise.
6764 * cse.c (find_comparison_args): Update documentation. Fix
6765 mishandling of COMPARE operations.
6767 * tree.def (ABS_EXPR): Add documentation.
6768 * fold-const.c (fold): Improve folding of ABS_EXPRs.
6770 2001-03-19 Zack Weinberg <zackw@stanford.edu>
6772 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
6774 2001-03-19 Jakub Jelinek <jakub@redhat.com>
6776 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
6777 Remove ia32 linux PIC kludge and move it...
6778 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
6780 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
6782 * i386.md (absdf2 expander): Fix 64bit case.
6784 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
6786 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
6788 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
6790 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
6792 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6794 * README.X11: Remove obsolete file.
6796 2001-03-18 Anthony Green <green@redhat.com>
6798 * config/pj/pj.h: Remove some trailing commas.
6799 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
6801 2001-03-18 Richard Henderson <rth@redhat.com>
6803 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
6804 * calls.c: ... here.
6805 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
6806 defaults for them here.
6808 2001-03-17 Anthony Green <green@redhat.com>
6810 * config/pj/lib1funcs.S: Fix broken comment.
6811 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
6814 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
6816 * gcc.texi: Remove obsolete information relating to build and
6817 installation problems with enquire or the Pyramid C compiler.
6819 2001-03-17 Richard Henderson <rth@redhat.com>
6821 * dwarf2out.c (queue_reg_save): New.
6822 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
6823 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
6825 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
6826 (cfa, cfa_store, cfa_temp): Make static.
6827 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
6829 2001-03-17 Richard Henderson <rth@redhat.com>
6831 * integrate.h (struct inline_remap): Add local_return_label.
6832 * integrate.c (expand_inline_function): Initialize it and emit
6833 it after copy_insn_notes.
6834 (copy_insn_list): Don't store local_return_label here.
6835 (copy_insn_notes): New function split out from copy_insn_list.
6837 2001-03-17 Richard Henderson <rth@redhat.com>
6839 * dwarf2out.c (lookup_filename): Emit .file if the assembler
6840 is generating .debug_line.
6841 (dwarf2out_init): Add main_input_filename to the file table first.
6842 * configure.in (as_dwarf2_debug_line): Test with file number 1
6843 instead of file number 0.
6845 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6847 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
6848 (gen_rtx_combine): Deleted; all references changed as appropriate.
6849 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
6851 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
6853 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
6855 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
6858 2001-03-16 Jim Wilson <wilson@redhat.com>
6860 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
6861 then set it to LOC_REG (79) instead of aborting.
6863 2001-03-16 Phil Edwards <pme@sources.redhat.com>
6865 * gccbug.in: Remove high priority.
6867 2001-03-16 Richard Henerson <rth@redhat.com>
6869 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
6870 output with a space instead of deleting it.
6871 * configure: Regenerate.
6873 2001-03-16 Zack Weinberg <zackw@stanford.edu>
6875 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
6876 handles the gory details of converting an object file into
6877 something that's safe to grep.
6878 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
6879 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
6880 newlines at either end of the string we're looking for.
6881 Make 'checking ...' message less stilted.
6882 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
6883 ARM in-memory layout and its hypothetical converse. Don't
6884 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
6885 HOST_WORDS_BIG_ENDIAN.
6887 * configure.in: Adjust for renamed macro. Move
6888 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
6889 * configure, config.in: Regenerate.
6891 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6893 * fixinc/Makefile.in: Set SHELL.
6895 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6897 * fixinc/fixincl.c (fix_with_system): Quote file names before
6898 passing them to shell.
6900 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6902 * Makefile.in: Use fix-header$(build_exeext) instead
6905 2001-03-16 Richard Henderson <rth@redhat.com>
6907 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
6908 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
6909 (size_of_line_prolog): Remove.
6910 (output_line_info): Compute prologue size via label difference.
6911 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
6913 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
6914 assembler error when redefining file numbers.
6915 * config.in, configure: Rebuild.
6917 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
6918 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
6919 (dw2_asm_output_delta_uleb128): Likewise.
6920 (dw2_asm_output_delta_sleb128): Similarly.
6921 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
6923 2001-03-16 Michael Meissner <meissner@redhat.com>
6925 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
6927 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
6929 (BITMASK_LOWER16): Replacement for 0x0000ffff.
6931 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
6932 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
6933 being unsigned in ISO C and signed in traditional.
6934 (expand_prologue): Ditto.
6935 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
6937 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
6939 (divsi3,divdi3): Ditto.
6940 (modsi3,moddi3): Ditto.
6941 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
6942 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
6943 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
6946 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
6948 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
6949 SSE based conditional moves on LTGT/UNEQ conditions;
6950 Canonicalize EQ to NE.
6951 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
6952 (sse_mov?fcc_ne): New.
6954 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
6956 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6958 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
6959 register may be dead.
6961 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
6963 * Makefile.in (hash.o): Depend on CONFIG_H.
6965 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6967 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
6969 2001-03-15 Richard Henderson <rth@redhat.com>
6971 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
6972 (ASM_OUTPUT_DWARF_PCREL): New.
6973 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
6975 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6977 * cppfiles.c (stack_include_file): Use MAX of sysp.
6979 2001-03-15 Steve Ellcey <sje@cup.hp.com>
6981 * config.gcc (ia64*-*-hpux*): New case.
6982 * config/ia64/hpux.h: New file for HP-UX support.
6983 * config/ia64/t-hpux: New file for HP-UX support.
6985 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
6987 * fixinc/inclhack.def (irix_stdio_va_list): New.
6988 * fixinc/fixincl.x: Rebuilt.
6990 2001-03-15 Richard Henderson <rth@redhat.com>
6992 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
6993 if provided by the target.
6994 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
6995 (dw2_asm_output_addr): New.
6996 * dwarf2asm.h (dw2_asm_output_addr): Declare.
6997 * dwarf2out.c (output_cfi): Use it for program addresses.
6998 (output_call_frame_info, output_die): Likewise.
6999 (output_aranges, output_line_info): Likewise.
7001 2001-03-15 Bruce Korb <bkorb@gnu.org>
7003 * gcc.c(main): make more rigorous
7004 * collect2.c(main): guard against ignoring SIGCHLD
7005 * protoize.c(main): ditto
7006 * gcc/fixinc/fixincl.c(initialize): ditto
7008 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7010 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
7011 (sdbout_parms): Likewise.
7013 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
7015 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
7016 "widen" a destination that is already wider than a word. Also do
7017 not widen if LOAD_EXTEND_OP is NIL for the given mode.
7019 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7021 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
7023 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
7025 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
7027 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
7029 * i960.h (i960_maxbitalignment,
7030 i960_last_maxbitalignment): Declare.
7031 * i960.c (i960_maxbitalignment,
7032 i960_last_maxbitalignment): Make global.
7033 (process_pragma): Delete.
7034 (i960_pr_align, i960_pr_noalign): Move from here ...
7035 * i960-c.c: ... to this new file.
7036 * t-960bare (i960-c.o): New rule.
7037 * t-vxworks960 (i960-c.o): Likewise.
7038 * config.gcc (i960-*-*): Define c_target_objs and
7041 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7043 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
7044 without adding in rtx code and mode.
7046 * alias.c (init_alias_analysis): Don't use any rtx whose value
7047 varies as a known value.
7048 Delete a superfluous test.
7050 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
7052 (ia64_sched_reorder): Call maybe_rotate; also rotate after
7053 scheduling a stop bit.
7054 (ia64_emit_nops): Correctly handle ASMs.
7056 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7058 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
7060 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
7062 * cpp.texi: Update documentation for -include and -imacros.
7063 * cppfiles.c (struct include_file): Remove "defined" memeber.
7064 (find_or_create_entry): Make a copy of the file name, and
7066 (open_file): Update to ensure we use the simplified filename.
7067 (stack_include_file): Don't set search_from.
7068 (cpp_included): Don't simplify the path name here.
7069 (find_include_file): New prototype. Call search_from to
7070 get the start of the "" include chain. Don't simplify the
7072 (_cpp_execute_include): New prototype. Move diagnostics to
7073 do_include_common. Update.
7074 (_cpp_pop_file_buffer): Don't set defined.
7075 (search_from): New prototype. Use the preprocessor's cwd
7076 for files included from the command line.
7077 (read_name_map): Don't simplify the pathname here.
7078 * cpphash.h (enum include_type): New.
7079 (struct buffer): Delete search from. New search_cached.
7080 (_cpp_execute_include): Update prototype.
7081 * cppinit.c (do_includes): Use _cpp_execute_include.
7082 * cpplib.c (do_include_common): New function.
7083 (do_include, do_include_next, do_import): Use it.
7085 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7087 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
7088 contents of the RTL, to determine the name of the object.
7090 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7092 * tree.h (DECL_RTL): Allocate RTL lazily.
7093 (SET_DECL_RTL): New macro.
7094 (DECL_RTL_SET_P): Likewise.
7095 (COPY_DECL_RTL): Likewise.
7096 (DECL_RTL_IF_SET): Likewise.
7097 * varasm.c (make_decl_rtl): Add assertions about the kind of
7098 declaration we are processing.
7099 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
7100 (start_decl): Likewise.
7101 (finish_decl): Likewise.
7102 * c-semantics.c (emit_local_var): Likewise.
7103 * calls.c (expand_call): Likewise.
7104 * dbxout.c (dbxout_symbol): Likewise.
7105 * emit-rtl.c (unshare_all_rtl): Likewise.
7106 (unshare_all_decls): Likewise.
7107 (reset_used_decls): Likewise.
7108 * expr.c (store_constructor): Likewise.
7109 (safe_from_p): Likewise.
7110 (expand_expr): Likewise.
7111 * function.c (put_var_into_stack): Likewise.
7112 (instantiate_decls_1): Likewise.
7113 (assign_parms): Likewise.
7114 (expand_function_start): Likewise.
7115 (expand_function_end): Likewise.
7116 * ggc-common.c (gcc_mark_trees): Likewise.
7117 * integrate.c (function_cannot_inline_p): Likewise.
7118 (copy_decl_for_inlining): Likewise.
7119 (expand_inline_function): Likewise.
7120 (integrate_parm_decls): Likewise.
7121 (integrate_decl_tree): Likewise.
7122 * print-tree.c (print_node): Likewise.
7123 * reg-stack.c (stack_result): Likewise.
7124 * stmt.c (label_rtx): Likewise.
7125 (expand_return): Likewise.
7126 (expand_decl): Likewise.
7127 (expand_decl_cleanup): Likewise.
7128 (expand_anon_union_decl): Likewise.
7129 * toplev.c (check_global_declarations): Likewise.
7130 (rest_of_decl_compilation): Likewise.
7131 * tree.c (simple_cst_equal): Likewise.
7132 * objc/objc-act.c (generate_static_references): Likewise.
7134 2001-03-14 Zack Weinberg <zackw@stanford.edu>
7136 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
7137 gcc_AC_C_FLOAT_FORMAT): New macros.
7138 * configure.in: Add AC_PROG_CPP after CC tests;
7139 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
7140 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
7141 * configure, config.in: Regenerate.
7143 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
7144 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7145 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7146 config/i370/xm-linux.h, config/i370/xm-oe.h,
7147 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7148 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
7149 config/pa/xm-linux.h, config/pa/xm-pa.h,
7150 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
7151 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
7152 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
7153 config/we32k/xm-we32k.h: Delete.
7155 * config/i370/xm-mvs.h, config/m88k/m88k.h,
7156 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7157 config/vax/xm-vms.h: Don't define any of:
7158 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
7160 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
7162 * config.gcc: Remove references to deleted files.
7163 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
7164 FATAL_EXIT_CODE, which is the same between oe and mvs).
7166 2001-03-14 DJ Delorie <dj@redhat.com>
7167 Vladimir Makarov <vmakarov@redhat.com>
7169 * config/i960/i960.c (i960_function_prologue): Compute size of
7170 frame according to number of registers actually saved there.
7172 2001-03-14 Richard Henderson <rth@redhat.com>
7174 * expr.c (emit_move_insn_1): Fix else if around #endif.
7176 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
7179 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
7182 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
7184 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
7185 (override_options): Parse cmodel string.
7186 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
7187 * i386.h (TARGET_OPTIONS): Add "cmodel".
7188 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
7190 (ix86_cmodel_string, ix86_cmodel): Declare.
7192 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
7195 * i386.h (GENERAL_REG_P): Add missing REG_P.
7197 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
7199 * configure.in: Use $gcc_cv_as instead of $as.
7200 * configure: Regenerated.
7202 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
7204 * cppfiles.c (stack_include_file): Only increase the include
7205 count if we actually process the file properly, as opposed
7206 to treating it as length zero. Only call read_include_file
7207 if not DO_NOT_REREAD. Handle the -H include file output
7209 (read_include_file): Remove now redundant DO_NOT_REREAD check.
7210 (cpp_included, find_include_file): Simplify pathnames after
7211 remapping them. If remapping, don't use the remapped file
7212 name's buffer as our scratch buffer.
7213 (cpp_pop_file_buffer): Replace the multiple include macro
7214 only if it isn't yet set.
7215 (read_name_map): Simplify remapped names when reading in.
7216 (remap_filename): Move code to code path that uses it.
7217 (_cpp_simplify_pathname): Return the input pointer.
7218 * cpphash.h (_cpp_simplify_pathname): Update prototype.
7220 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7222 * expr.c (expand_expr): Revove bogus conditional.
7224 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
7226 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
7228 2001-03-14 Jakub Jelinek <jakub@redhat.com>
7230 * reg-stack.c (stack_result): Unconditionally use
7231 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
7233 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
7235 * expr.c (emit_move_insn_1): Split push of complex value when
7236 no suitable push instruction exist.
7238 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
7239 instead of QI_REG_P.
7241 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7243 * alias.c (handled_component_p, can_address_p): New functions.
7244 (get_alias_set): Use them.
7246 2001-03-13 Jim Wilson <wilson@redhat.com>
7248 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
7249 from 80 in try_locals code.
7250 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
7252 2001-03-13 Zack Weinberg <zackw@stanford.edu>
7254 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
7255 gcc_AC_C_LONG_LONG): New.
7256 * configure.in: Use them. Probe the size of short, int, long,
7257 and long long/__int64 if we have them. Move all the AC_C_*
7258 checks together, except gcc_AC_C_CHAR_BIT which has to go
7259 after AC_CHECK_HEADERS(limits.h).
7260 Take hwint.h out of host_xm_file and build_xm_file.
7262 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
7263 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
7264 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
7265 Move the HOST_WIDEST_INT setup logic here from system.h.
7266 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
7268 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
7269 is now handled by hwint.h.
7271 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
7272 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
7273 config/ia64/xm-ia64.h: Don't define any of:
7274 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
7275 HOST_BITS_PER_LONGLONG.
7277 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
7278 config/h8300/xm-h8300.h, config/mips/iris6.h,
7279 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
7280 config/sparc/xm-sp64.h: Delete.
7281 * config.gcc: Remove references to deleted files.
7283 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
7284 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
7285 * config/i370/xm-linux.h: Clarify floating-point situation in
7288 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
7290 * cppfiles.c (NO_INCLUDE_PATH): New macro.
7291 (find_include_file): Decide here which part of the include
7292 chain to start the search. Complain about an empty include
7293 chain in all cases apart from an abolsute file name.
7294 (_cpp_execute_include): Don't choose the search chain here.
7295 Don't call handle_missing_include in the case of an empty
7297 (_cpp_compare_file_date): Don't choose the search chain here.
7298 * cpplib.c (do_include_next): Move the in-main-file diagnostic
7299 here from _cpp_execute_include. Behave like #include if
7300 we're in the main file.
7302 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7304 * system.h (malloc, realloc, calloc, strdup): Only poison these
7305 tokens when IN_GCC is defined.
7307 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
7309 * i386.md (abs?f expander): Support SSE case.
7310 (abd?f_if): Add new "USE"; add splitters.
7312 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7314 * cpp.texi (poison): Explain the macro expansion exception.
7316 2001-03-13 Jakub Jelinek <jakub@redhat.com>
7318 * expr.c (store_expr): Add dont_store_target. If temp is already in
7319 target before copying to reg, don't store it into target again.
7321 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7323 * cppinternals.texi: Update for file handling.
7325 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7327 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
7328 2001-02-24 which broke building the Java library.
7329 * function.c (identify_blocks): Likewise.
7330 (all_blocks): Likewise.
7331 * integrate.c (integrate_decl_tree): Likewise.
7332 * print-tree.c (print_node): Likewise.
7333 * tree.h (BLOCK_NUMBER): Likewise.
7334 (struct tree_block): Likewise.
7336 2001-03-12 David Edelsohn <edelsohn@gnu.org>
7338 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
7339 __WCHAR_TYPE__ definition.
7340 (WCHAR_TYPE_SIZE): #undef before #define.
7342 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7344 * cppfiles.c: Update comments.
7345 (destroy_include_file_node): Rename destroy_node.
7346 (find_or_create_entry): New function.
7347 (open_file, _cpp_fake_include): Use it.
7348 (handle_missing_header): New function, broken out of
7349 _cpp_execute include. Don't segfault if there is no
7350 system or quoted path.
7351 (_cpp_execute_include): Use handle_missing_header.
7353 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7355 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
7356 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
7358 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7360 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
7361 unless anti_dependence says they are.
7362 * alias.c (objects_must_conflict): If neither has a type specified,
7365 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7366 David Billinghurst <David.Billinghurst@riotinto.com>
7368 * config/mips/iris5.h: Change WCHAR_TYPE to int.
7370 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
7372 * i386.md (trunctfdf2_2): Rename missnamed pattern.
7373 (*_one_bit): Remove type on the match_operand in attributes.
7375 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
7377 * i386.c: Commit forgotten hunk in previous patch.
7378 (regclass_map): Add extended registers.
7379 (dbx_register_map): Add missing frame register.
7381 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
7383 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
7385 * i386.md (x86_sahf_1): Disable for 64bit.
7386 (popsi*, pophi*): Likewise.
7387 (pushqi, pushhi): Likewise.
7388 (movdi, pushdi): Likewise.
7389 (zero extend DImode splitter): Likewise.
7390 (adddi, minusdi splitter): Likewise.
7391 (umulsidi): Likewise.
7393 (mulsidi): Disable for 64bit
7394 (lshift:DI/ashift:DI): Disable for 64bit.
7395 (loop patterns): Likewise.
7396 (call_pop, call_value_pop expanders and patterns): Likewise.
7397 (prologue_get_pc): Likewise.
7399 (fcmovDI pattern and splitter): Likewise.
7400 (movdfcc_1_rex64): New.
7402 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
7404 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
7405 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
7406 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
7407 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
7408 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
7409 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
7410 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
7411 (PUSH_ROUNDING): x86_64 rounds to 64bits.
7412 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
7413 (REGPARM_MAX): Set to 6 for x86_64.
7414 (SSE_REGPARM_MAX): Set to 16 for x86_64.
7415 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
7418 * (patterns that does use upper halves): Update constraints
7419 'q' to 'Q' and 'r' to 'R'.
7420 (cmpqi_ext_1): Disable for 64bit.
7421 (cmpqi_ext_3_insn): Likewise.
7422 (movqi_extzv_1): Likewsie.
7423 (addqi_ext_1): Liekwsie
7424 (testqi_ext_1): Liekwsie
7425 (andqi_ext_1): Liekwsie
7426 (xorqi_ext_1): Liekwsie
7427 (cmpqi_ext_1_rex64): New.
7428 (cmpqi_ext_3_insn_rex64): Likewise.
7429 (movqi_extzv_1_rex64): Likewsie.
7430 (addqi_ext_1_rex64): Liekwsie
7431 (testqi_ext_1_rex64): Liekwsie
7432 (andqi_ext_1_rex64): Liekwsie
7433 (xorqi_ext_1_rex64): Liekwsie
7435 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7437 * configure.in: Move check for unsigned enumerated bitfields
7438 to macro in aclocal.m4. Disable it for now.
7439 * configure, config.in: Regenerate.
7440 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
7441 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
7442 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
7443 kind above its first use.
7445 * config/xm-interix.h, config/alpha/xm-alpha.h,
7446 config/i370/xm-linux.h, config/i386/xm-beos.h,
7447 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
7448 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7449 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
7450 Don't define ONLY_INT_FIELDS under any circumstances.
7452 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
7454 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7455 config/sparc/xm-sysv4.h: Delete - now identical with some
7457 * config.gcc (hppa targets): Replace xm-pahpux.h and
7458 xm-papro.h with implicit xm-pa.h.
7459 (sparc targets): Replace xm-sysv4.h with implicit or explicit
7462 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
7464 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
7465 before reload_cse_noop_set_p.
7467 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7469 * config.gcc: Where xm-host.h used to include another
7470 xm-host.h, list the nested header directly in xm_file. Remove
7471 references to deleted files. Can now use sparc/xm-sp64.h for
7474 * config/xm-linux.h, config/arm/xm-linux.h,
7475 config/i386/xm-dos.h, config/i386/xm-gnu.h,
7476 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
7477 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
7478 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
7479 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
7482 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
7483 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
7484 bother to wrap #undef in #ifdef.
7485 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
7486 Don't include xm-linux.h.
7487 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
7489 * configure.in: Wrap regexps using [] in changequote block.
7490 Use expr : not echo | grep. Simplify regexps.
7491 * configure: Regenerate.
7493 56 xm-files remain, 22 xm-arch.
7495 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7497 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
7498 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7499 (local_index, local_rindex): Delete, use strchr/strrchr instead.
7500 (copy_object): Fix format specifier vs argument mismatch.
7502 * mips-tdump.c: Make local functions static.
7503 (rindex): Don't #undef.
7504 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7505 (fatal, fancy_abort): Delete.
7506 (read_seek): Avoid signed/unsigned compare.
7508 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7510 * combine.c (try_combine): Fix error in change to try original
7512 (gen_rtx_combine): Do same as gen_rtx for now.
7514 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7516 * configure.in: AC_SUBST xm_defines.
7517 * configure: Regenerate.
7518 * Makefile.in: Set DEFINES=$(xm_defines) when building
7521 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
7523 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
7524 (cpp_included, find_include_file): Update.
7525 (_cpp_compare_file_date): Make else unconditional.
7527 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
7529 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
7531 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
7533 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
7534 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
7536 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
7538 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
7539 if it's a record type.
7541 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
7543 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
7544 mingw includes slightly.
7546 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7548 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
7549 #undef token before poisoning it.
7551 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7553 * alpha.c (check_float_value): Use memcpy, not bcopy.
7555 * m32r.c (m32r_sched_reorder): Likewise.
7557 * vax.c (check_float_value): Likewise.
7559 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7561 * toplev.c (file_name_nondirectory): Remove.
7562 * toplev.h: Similarly.
7563 * dwarf2out.c (compute_section_prefix): Use lbasename instead
7564 of file_name_nondirectory.
7566 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7568 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
7569 * mips-tfile.c: Don't #undef rindex; not used.
7571 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
7573 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
7574 (dbx64_register_map): Declare.
7575 (RETURN_ADDR_RTX): Fix for 64bit.
7576 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
7577 (INCOMING_FRAME_SP_OFFSET): Set to 8.
7578 * i386.c (dbx64_register_map): New global array.
7579 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
7580 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
7583 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7585 * cppfiles.c (search_from): Use lbasename.
7586 * mkdeps.c (deps_add_default_target): Use lbasename.
7588 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7590 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
7591 xcalloc in lieu of malloc, realloc & calloc.
7593 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
7595 * gengenrtl.c (xmalloc): Likewise.
7597 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
7598 really_call_* memory allocation routines.
7600 * stmt.c (check_for_full_enumeration_handling): Use
7601 really_call_calloc, not calloc.
7603 * system.h (really_call_malloc, really_call_calloc,
7604 really_call_realloc): Define.
7605 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
7607 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
7609 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
7611 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
7613 * configure: Rebuilt.
7614 * configure.in: Only use `lang_requires' for languages athat are
7617 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
7619 * invoke.texi: Fix typo.
7620 * gcc.1: Regenerate.
7622 2001-03-09 Zack Weinberg <zackw@stanford.edu>
7624 * configure.in: Prune nonexistent files from build_xm_file,
7625 xm_file, and host_xm_file lists. Warn unless they're
7627 Don't generate *config.h here.
7628 AC_SUBST all variables needed to generate *config.h.
7629 * configure: Regenerate.
7630 * mkconfig.sh: New helper script, from code removed from
7632 * Makefile.in: Zap all MALLOC variables - no longer used
7633 anywhere, and malloc.c doesn't exist.
7634 Substitute in variables needed to generate *config.h.
7635 Stop lying about the dependencies contained in CONFIG_H and
7637 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
7638 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
7639 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
7640 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
7641 $(TM_P_H), etc. as appropriate.
7643 * config.gcc: Zap references to deleted files.
7644 * ggc-none.c: Don't include rtl.h or tm_p.h.
7646 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
7647 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
7648 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
7649 config/i386/xm-linux.h, config/i386/xm-linux.h,
7650 config/i386/xm-next.h, config/i386/xm-openbsd.h,
7651 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
7652 Don't include i386/xm-i386.h.
7654 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
7655 config/i386/xm-i386.h, config/i860/xm-i860.h,
7656 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
7657 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7658 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
7659 Delete (empty except comments, #includes of other deleted
7660 files, and macros used nowhere).
7662 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
7664 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
7665 independent on TARGET_FLAGS.
7667 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
7669 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
7671 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
7673 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
7675 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
7676 LAST_REX_SSE_REG): define.
7677 (enum reg_class): Add 'LEGACY_REGS'
7678 (REG_CLASS_CONTENTS): Likewise; add extended registers.
7679 (SSE_REGNO_P): Recognize extended registers.
7680 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
7681 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
7682 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
7683 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
7684 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
7685 REG_OK_FOR_STRREG_P): Remove.
7686 (HI_REGISTER_NAMES): Add extended registers.
7687 (ADDITIONAL_REGISTER_NAMES): Likewise.
7688 (QI_REGISTER_NAMES): Add 8bit extended registers.
7689 (DEBUG_REG): Support extended registers.
7690 * i386.c (regclass_map): Add extended registers.
7691 (dbx_register-map): Likewise.
7692 (svr4_dbx_register_map): Likewise.
7693 (print_reg): Support extended registers.
7694 (print_operand): Support 64bit operands.
7696 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
7698 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
7699 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7700 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
7701 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
7702 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
7703 STACK_BOUNDARY): Set properly for 64bits.
7704 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
7705 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
7706 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
7707 (MOVE_MAX): Set to 16.
7708 (MOVE_MAX_PIECES): 8 for 64bit.
7709 (Pmode): Set to SImode.
7711 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
7713 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
7715 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
7717 * i386.h (mask_64bit): New constant.
7718 (target_64bit): New macro.
7719 (target_options): Add '64'/'32'
7720 (target_default): Define.
7721 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
7722 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
7723 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
7725 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
7727 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
7729 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
7731 * rtlanal.c (rtx_varies_p): Check operand 0 of a
7732 LO_SUM unless for_alias is set.
7734 2001-03-08 Stan Shebs <shebs@apple.com>
7736 * objc/objc-act.c: Fix old typos in comments, add comments for
7738 (hash_init): Fix file name in error message.
7739 (hash_enter): Ditto.
7740 (hash_add_attr): Ditto.
7741 (continue_class): Ditto.
7743 2001-03-08 Bruce Korb <bkorb@gnu.org>
7745 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
7746 wait4() can receive the signal.
7748 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7750 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
7752 * fixinc/fixincl.x: Regenerate.
7754 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7756 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
7758 * fixinc/fixincl.x: Regenerate.
7760 2001-03-08 Richard Henderson <rth@redhat.com>
7762 * configure.in (HAVE_AS_LEB128): New assembler check.
7763 * configure, config.in: Rebuilt.
7765 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
7767 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
7770 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7772 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
7773 references to the MAXPATHLEN macro.
7775 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
7776 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
7779 * config/i386/xm-gnu.h, config/xm-gnu.h,
7780 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
7781 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
7782 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
7783 and/or unused files.
7785 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
7786 doing so in various xm-*.h files.
7788 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7790 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
7792 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
7794 * configure.in (enable_shared): Support per-package shared-library
7796 * configure: Rebuilt.
7798 2001-03-07 David Edelsohn <edelsohn@gnu.org>
7800 * rs6000.md (cr logic): Add original POWER mnemonic alternative
7801 for crnot. Set operands[5] in splitter.
7803 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7805 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
7806 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
7807 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
7808 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
7809 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
7810 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
7811 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
7814 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
7815 config/i370/xm-i370.h, config/i386/xm-dgux.h,
7816 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
7817 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
7818 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
7819 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
7820 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
7821 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
7822 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
7823 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
7824 Delete unused and/or empty files.
7826 * config.gcc: Define USG in xm_defines as appropriate. Define
7827 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
7828 macro. Remove deleted xm-* files from $xm_files variable.
7830 2001-03-07 Tom Tromey <tromey@redhat.com>
7832 * configure: Rebuilt.
7833 * configure.in: Allow config-lang.in to set `lang_requires' to list
7834 of other required languages.
7836 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
7838 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
7840 (output_prologue): Use xmalloc not oballoc.
7841 (output_epilog): Free a29k_first_epilogue_insn when finished.
7842 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
7844 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
7846 * builtins.c (expand_builtin_mathfn): Check
7847 flag_unsafe_math_optimizations, not flag_fast_math.
7848 (expand_builtin): Likewise
7849 * combine.c (combine_simplify_rtx): Likewise.
7850 (simplify_if_then_else): Likewise.
7851 * cse.c (fold_rtx): Likewise.
7852 * flags.h: Remove flag_fast_math. Add
7853 flag_unsafe_math_optimizations and flag_trapping_math.
7854 * fold-const.c (negate_expr): Check
7855 flag_unsafe_math_optimizations, not flag_fast_math.
7856 (invert_truthvalue): Likewise.
7857 (fold): Likewise. Before associating operands, check that
7858 code == MULT_EXPR, not code != MULT_EXPR.
7859 * ifcvt.c (noce_try_minmax): Check
7860 flag_unsafe_math_optimizations, not flag_fast_math.
7861 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
7862 * invoke.texi: Document -funsafe-math-optimizations and
7863 -fno-trapping-math. Change documentation for -ffast-math.
7864 * jump.c (reversed_comparison_code_parts): Likewise.
7865 (rtx_equal_for_thread_p): Likewise.
7866 * optabs.c (emit_conditional_move): Likewise.
7867 * simplify-rtx.c (simplify_binary_operation): Likewise.
7868 (simplify_relational_operation): Likewise.
7869 (simplify_ternary_operation): Likewise.
7870 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
7871 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
7872 Add trapping-math and unsafe-math-optimizations entries to f_options.
7873 (set_fast_math_flags): New, sets flags for -ffast-math.
7874 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
7875 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
7876 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
7878 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
7879 (alpha_emit_conditional_move): Initialize local_fast_math to
7880 flag_unsafe_math_optimizations, not flat_fast_math.
7881 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
7882 instead of setting flag_fast_math to 1.
7883 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
7885 * config/i386/i386.c (override_options): Likewise
7886 * config/i386/i386.md: Likewise.
7887 * config/m68k/m68k.md: Likewise.
7888 * config/mips/mips.md: Likewise.
7889 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
7890 (rs6000_generate_compare): Likewise.
7892 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7894 * Makefile.in: Set RANLIB to @RANLIB@.
7897 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7899 * fixinc/inclhack.def (djgpp_wchar_h): New test.
7900 * fixinc/fixincl.x: Regenerated.
7902 2001-03-07 Richard Henderson <rth@redhat.com>
7904 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
7906 2001-03-07 Richard Henderson <rth@redhat.com>
7908 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
7909 of block notes and exception handling notes.
7911 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
7912 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
7913 (compile_file): ... here.
7915 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7917 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
7919 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
7920 config.h now. Include libiberty.h to handle alloca.
7922 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7924 * c-parse.in (yylexname): New function, split out of _yylex.
7925 (objc_rid_sans_at): New table.
7926 (init_reswords): Initialize it.
7927 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
7928 retrieving the next token and checking it for significance as
7929 an ObjC keyword or string constant.
7931 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
7932 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
7934 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
7937 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
7939 * config/m68k/m68k.c (const_uint32_operand): Accept any
7940 const_int on a 32-bit host.
7942 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
7944 * objc/objc-act.c (init_objc): Set save_lang_status,
7945 restore_lang_status, and mark_lang_status.
7947 2001-03-06 Krister Walfridsson <cato@df.lth.se>
7949 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
7951 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
7953 * cppinternals.texi: Update.
7955 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7957 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7958 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
7959 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
7960 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7961 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
7962 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7963 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
7964 config/i386/xm-i386.h, config/i860/xm-i860.h,
7965 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7966 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
7967 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7968 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7969 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7970 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7971 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
7972 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7973 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
7974 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7975 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7976 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
7977 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
7978 match the defaults provided in hwint.h.
7980 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7981 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
7983 * config.gcc (xm_file): Don't set to files which are deleted.
7985 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
7986 guard this file against these macros being undefined.
7988 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7990 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
7991 and DECL_DEFER_OUTPUT on the decl we create, before calling
7992 rest_of_decl_compilation.
7994 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7996 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
7998 * configure, config.in: Regenerate.
7999 * config.gcc: Remove references to deleted files.
8001 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
8002 genrecog.c, rtl.c: Do not use alloca anywhere.
8004 * Makefile.in, build-make, system.h, config/x-interix,
8005 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
8006 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
8007 config/arc/xm-arc.h, config/arm/xm-arm.h,
8008 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8009 config/h8300/xm-h8300.h, config/i370/x-oe,
8010 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
8011 config/i386/x-ncr3000, config/i386/x-sco5,
8012 config/i386/xm-dgux.h, config/i860/x-sysv4,
8013 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
8014 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
8015 config/m68k/x-hp320g, config/m69k/x-mot3300,
8016 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
8017 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
8018 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
8019 config/m88k/x-sysv4, config/m88k/x-tekXD88,
8020 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8021 config/mips/x-iris, config/mips/x-iris3,
8022 config/mips/x-sni-svr4, config/mips/x-sysv,
8023 config/mips/xm-iris6.h, config/mips/xm-mips.h,
8024 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
8025 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
8026 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8027 config/pa/xm-papro.h, config/romp/xm-romp.h,
8028 config/rs6000/x-aix31, config/rs6000/x-aix41,
8029 config/rs6000/x-beos, config/rs6000/x-lynx,
8030 config/rs6000/x-mach, config/rs6000/x-rs6000,
8031 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
8032 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8033 config/sparc/x-sysv4, config/sparc/xm-linux.h,
8034 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
8035 config/vax/xm-vms.h: Eradicate all references to alloca and
8038 * config/xm-alloca.h, config/clipper/x-clix,
8039 config/i386/xm-sysv4.h, config/i860/x-fx2800,
8040 config/i860/x-sysv3, config/m88k/x-sysv3,
8041 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
8042 (contained only alloca related hacks).
8044 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
8047 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
8049 * invoke.texi: Document __FAST_MATH__.
8051 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8053 * crtstuff.c: Restore include of auto-host.h.
8055 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
8057 Put main() in a separate file, so that the language
8058 front-end can use a different main().
8061 * toplev.c: (main): Rename as toplev_main.
8062 * toplev.h: Declare toplev_main.
8063 * Makefile.in (OBJS): add toplev.o.
8064 (BACKEND): remove toplev.o, add main.o.
8066 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8068 * cppfiles.c (search_from): Special case the empty string.
8070 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8072 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
8073 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
8074 strlen or strcpy; we already know the length.
8075 (_cpp_compare_file_date): Similarly.
8076 * cpphash.h (struct cpp_reader): Delete done_initialising.
8077 (CPP_PREV_BUFFER): Delete.
8078 * cppinit.c (cpp_start_read): Don't set done_initialising.
8079 * cpplex.c (parse_string): Guarantee null-termination.
8080 (_cpp_equiv_toklists): Remove.
8081 * cpplib.c (glue_header_name): Null-terminate.
8082 (do_line): Don't leak memory.
8083 * cpplib.h (BT_WEAK): Delete.
8084 * cppmain.c (cb_ident): Strings are now null-terminated.
8086 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
8088 * gcc.c (convert_filename): Append executable suffix
8089 if NO_AUTO_EXE_SUFFIX is not defined.
8090 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
8091 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
8093 2001-03-03 David O'Brien <obrien@FreeBSD.org>
8095 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8096 * c-parse.gperf, c-gperf.h: Delete.
8097 (c-gperf.h was accidently re-added to the CVS repo in the rev
8098 1.16 commit by tromey)
8100 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8102 * cpplex.c (_cpp_lex_token): Don't warn about directives in
8103 macro arguments when looking for the '('.
8104 * cppmacro.c (funlike_invocation_p): Set parsing_args to
8105 2 when really parsing arguments; 1 when looking for '('.
8106 Always restore the lexer position.
8108 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8110 * longlong.h (umul_ppmm): Don't use a multiline string.
8112 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
8114 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
8115 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
8116 t_bool in declaration because pcc can't combine volatile with typedef
8119 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
8121 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
8122 until when it is really needed.
8123 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
8124 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
8125 * i386.md (float?i?f splitter): Don't force source operand to memory
8127 (sse_movdfcc): Fix constraint.
8128 (sse_movdfcc splitter): Handle properly the second alternative.
8130 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8132 * cpplex.c (parse_string): Unconditionally pedwarn.
8134 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8137 * cppexp.c (parse_number): Update.
8138 * cpplex.c (parse_string): Pedwarn if multiline string does not
8139 result from a system header's macro.
8140 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
8141 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
8142 for function-like macros too.
8143 * c-lex.c (lex_number): Update.
8145 2001-03-03 Richard Henderson <rth@redhat.com>
8147 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
8149 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
8151 * combine.c (try_combine): If split with mode-changed scratch
8152 register didn't work, try the original mode.
8154 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
8156 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
8157 * config/c4x/c4x.h: Likewise.
8158 * stor-layout.c (compute_record_mode): Likewise.
8159 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
8161 2001-03-02 Zack Weinberg <zackw@stanford.edu>
8163 * configure.in: Kill tm.h. Include the files in the $tm_file
8164 list in all three of config.h, hconfig.h, tconfig.h, after the
8165 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
8166 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
8167 * configure: Regenerate.
8168 * Makefile.in (clean): Don't delete tm.h.
8170 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
8171 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
8172 those are not defined, set SEC and FEC to 0 and 1.
8173 * gcc.texi: Update to match.
8175 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
8176 * config/fp-bit.c, config/m68k/aux-crt2.asm,
8177 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
8178 Include tconfig.h, not tm.h.
8180 * config/xm-lynx.h, config/xm-std32.h,
8181 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8182 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
8183 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
8184 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8185 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8186 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8187 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
8188 config/i386/xm-i386.h, config/i860/xm-i860.h,
8189 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8190 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
8191 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8192 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8193 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8194 config/pa/xm-linux.h, config/pa/xm-pa.h,
8195 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8196 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
8197 config/pj/xm-pj.h, config/romp/xm-romp.h,
8198 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8199 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8200 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8201 config/v850/xm-v850.h, config/vax/xm-vax.h,
8202 config/we32k/xm-we32k.h:
8204 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
8206 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
8207 config/i370/xm-oe.h: Don't include tm.h. Don't define
8209 * config/vax/xm-vms.h: Don't include tm.h.
8211 * config/xm-lynx.h, config/avr/xm-avr.h,
8212 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
8213 Delete; made empty by above changes.
8214 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8215 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
8216 Don't include config/xm-lynx.h or tm.h.
8218 * config/xm-gnu.h: Don't include fcntl.h.
8219 * config/sparc/xm-lynx.h: Don't include sys/types.h and
8221 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
8223 2001-03-02 Richard Henderson <rth@redhat.com>
8225 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
8226 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
8228 2001-03-02 Richard Henderson <rth@redhat.com>
8230 * Makefile.in (OBJS): Add dwarf2asm.o.
8231 * dwarf2asm.c, dwarf2asm.h: New files.
8232 * dwarf2out.c (*): Use them.
8233 (size_of_uleb128, size_of_sleb128): Remove.
8234 (output_uleb128, output_sleb128): Remove.
8235 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
8236 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
8237 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
8238 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
8239 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
8240 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
8241 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
8242 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
8243 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
8244 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8245 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
8246 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
8247 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
8248 (dwarf2out_frame_debug): Remove unused variables.
8249 (output_loc_operands): Don't abort on 8 byte constants if
8250 host integers are wide enough.
8251 (output_symbolic_ref): Remove.
8252 (size_of_die): Don't assume 4 byte host integers.
8253 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
8255 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
8256 something stupid with HOST_WIDE_INT to long truncation.
8257 [CONST_DOUBLE]: Likewise.
8259 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
8260 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8261 * config/arm/unknown-elf.h: Likewise.
8262 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
8263 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
8264 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
8265 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
8266 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
8267 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
8268 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
8269 (ASM_OUTPUT_DWARF_OFFSET): Remove.
8270 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
8271 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
8272 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
8273 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
8275 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8277 * cselib.c (hash_rtx): Cast enums to unsigned int.
8279 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8281 * print-rtl.c (print_rtx): Cast enums to int for comparison.
8282 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
8284 * c-format.c (C_STD_VER): Cast to int for comparisons.
8285 (check_function_format): Cast various enums to int for &.
8286 (maybe_read_dollar_number): Likewise.
8287 (check_format_info): Likewise.
8288 (check_format_info_main): Likewise.
8289 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
8290 (safe_from_p): Likewise.
8291 * varasm.c (const_hash): Cast enum to int for %.
8292 * emit-rtl.c (init_emit_once): Use int loop variable to work around
8293 pcc enum problems with < and ++ operators.
8294 * regclass.c (init_reg_sets_1): Cast enums for comparison.
8295 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
8296 (regclass_init): Change enum class to int to iterate over reg_classes.
8297 * genrecog.c (merge_trees): Cast enums for comparison.
8298 * rtl.h (GET_CODE): Cast to enum rtx_code.
8299 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
8300 (GET_MODE): Cast to enum machine_mode.
8301 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
8302 (GET_NOTE_INSN_NAME): Cast enum to int.
8303 * tree.h (TREE_CODE): Cast to enum tree_code.
8304 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
8305 * timevar.c (timevar_print): Change loop variable id from enum to
8307 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
8308 * config/i386/i386.md: Use PUT_MODE for mode assignment.
8309 * toplev.c (compile_file): Cast enum DFI to int.
8310 (decode_d_option): Likewise.
8312 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
8314 * cppinit.c (append_include_chain): Mark "after" include file name list
8315 as a system directory.
8316 * cpp.texi: Document new behavior.
8318 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
8320 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
8322 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
8324 * cppfiles.c (struct include_file): Update.
8325 (stack_include_file): Use search_from.
8326 (cpp_included, find_include_file): Update.
8327 (cpp_execute_include): Update. ptr->name may not be
8328 null terminated. Use the new search_from member variable
8330 (_cpp_compare_file_date): Similarly.
8331 (search_from): New function, similiar to actual_directory.
8332 (actual_directory): Delete.
8333 (remap_filename): Update. loc->name may not be null terminated.
8334 (struct file_name_list): Rename search_path. Update.
8335 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
8336 search_from and dir.
8337 (struct cpp_reader): Remove actual_dirs.
8338 * cppinit.c (struct cpp_pending): Update for renamed objects.
8339 (append_include_chain, remove_dup_dir, remove_dup_dirs,
8340 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
8341 * cpplib.h (struct cpp_options): Similarly.
8343 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8345 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
8346 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
8347 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8348 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8349 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8350 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8351 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8352 config/i370/xm-linux.h, config/i370/xm-mvs.h,
8353 config/i370/xm-oe.h, config/i386/xm-aix.h,
8354 config/i386/xm-i386.h, config/i386/xm-osf.h,
8355 config/i860/xm-i860.h, config/i960/xm-i960.h,
8356 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8357 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
8358 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
8359 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
8360 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
8361 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8362 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8363 config/pj/xm-pj.h, config/romp/xm-romp.h,
8364 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8365 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8366 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8367 config/v850/xm-v850.h, config/vax/xm-vax.h,
8368 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
8369 Do not define TRUE or FALSE.
8371 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
8372 empty by above change.
8373 * config.gcc: Remove references to these files.
8375 * configure.in: Detect stdbool.h.
8376 * configure, config.in: Regenerate.
8377 * system.h: Include stddef.h here if available.
8378 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
8379 Then set up a sensible boolean type at the very end.
8381 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
8382 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
8384 * hash.h: Delete 'boolean' typedef and related #undefs.
8386 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
8387 all uses of 'boolean' with 'bool'.
8389 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8391 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
8392 * cppexp.c (lex): Cast enums for comparison.
8393 * cppinit.c (parse_option): Cast enum for comparison.
8394 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
8395 (cpp_output_token): Likewise.
8396 (cpp_can_paste): Cast enums for comparsion and plus/minus.
8397 (cpp_avoid_paste): Cast enums for minus and comparison.
8399 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8401 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
8402 field to all array elements.
8404 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8406 * cpphash.h (struct cpp_reader): Add print_version field.
8407 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
8408 just set print_version and other flags as appropriate.
8409 (cpp_post_options): Print version here if print_version is set.
8411 * toplev.c (exit_after_options): New flag.
8412 (independent_decode_option): Don't exit here; just set
8414 (main): Exit after calling lang_hooks.post_options if
8415 exit_after_options is true.
8417 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
8418 (merge_include_chains): Adjust comment to match code.
8420 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8422 * stringpool.c (set_identifier): New function.
8423 * tree.h: Prototype it.
8425 * c-parse.in: Kill D_YES. If compiled for objc, call
8426 save_and_forget_protocol_qualifiers from init_reswords.
8427 * objc/objc-act.c (remember_protocol_qualifiers,
8428 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
8429 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
8431 (save_and_forget_protocol_qualifiers): New function.
8432 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
8434 2001-03-01 Diego Novillo <dnovillo@redhat.com>
8436 * c-semantics.c (prune_unused_decls): Return error_mark_node
8437 instead of (tree) 1 to stop traversing the tree chain.
8439 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8441 Fix a problem introduced by Kenner's Feb 18 change.
8442 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
8443 flag_cse_skip_blocks only temporarily, not for ever.
8445 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
8447 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
8448 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
8450 * pa.c (emit_move_sequence): Verify operand0 is a hard register
8451 before determining its register class.
8453 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8455 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
8456 from reg 4 if current_function_calls_setjmp.
8457 (gen_nop_type): New function.
8458 (ia64_emit_nops): New function.
8459 (ia64_reorg): Call it.
8460 (ia64_sched_reorder): Move code that rotates bundles up a bit.
8462 * reload1.c (eliminate_regs_in_insn): Restrict the special case
8463 code not to try to optimize adds with anything but a REG destination.
8465 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
8466 (INSN_PRIORITY_KNOWN): New accessor macro.
8467 * haifa-sched.c (priority): Use it instead of testing priority against
8470 2001-02-28 DJ Delorie <dj@redhat.com>
8472 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
8473 since that doesn't work the way gcc wants on a generic m68k.
8475 2001-02-28 Richard Henderson <rth@redhat.com>
8477 * caller-save.c (save_call_clobbered_regs): Fix typo in
8478 comparison last change.
8480 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
8482 * i386.c (pentium4_cost): New.
8483 (m_PENT4): New macro.
8484 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
8485 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
8486 x86_integer_DFmode_moves, x86_partial_reg_dependency,
8487 x86_memory_mismatch_stall): Add Pentium4
8488 (x86_use_q_reg, x86_use_any_reg): Kill.
8489 (override_options): Add pentium4.
8490 (incdec_operand): Return 0 for pentium4.
8491 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
8492 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
8493 (TARGET_PENTIUM4): Define.
8494 (enum processor_type): Add PROCESSOR_PENTIUM4.
8495 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
8496 * i386.md (attribute "cpu"): Add pentium4.
8497 * invoke.texi (march): Add pentium4.
8499 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
8501 * i386.md (sse_mov?fcc*): New patterns and splitters.
8502 * i386.c (ix86_expand_movcc): Work post-reload; recognize
8503 the SSE based conditional moves.
8505 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
8507 * i386.md (attribute mode): Add "TI".
8508 (movsf_1): Add pxor support; remove constant propagation splitter.
8509 (movdf_integer): Likewise.
8510 (movdf_nointeger): Likewise.
8511 (movxf constant prop splitter): Handle all modes; update for SSE.
8512 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
8513 * i386.c (standard_80387_constant_p): Rewrite.
8514 (standard_sse_constant_p): New.
8515 * i386-protos.h (standard_sse_constant_p): New.
8517 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
8519 * i386.md (sse_setccsf, sse_setccdf): New.
8520 (sse_cmp* patterns): Use '%D' instead of outputtting condition
8522 * i386.c (sse_comparison_operator): Accept the supported unordered
8523 comparses; be ready for fast_math.
8524 (print_operand): Support 'D'.
8526 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
8528 * jump.c (reversed_comparison_code): Kill.
8530 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
8532 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
8535 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
8537 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
8538 add missing '%' in constraints.
8540 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
8542 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
8543 for HOST_BITS_PER_WIDE_INT == 32 too.
8545 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
8547 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
8549 (insert_save, insert_restore): New parameter save_mode.
8550 (init_caller_save): Update initialization of reg_save_code
8551 and reg_restore_code.
8552 (save_call_clobbered_regs): Compute save_modes and update calls to
8553 reg_save_code and reg_restore_code.
8554 (insert_restore): Unsignetize numbers; use save_modes to choose mode
8555 of spill; update use of reg_restore_code.
8556 (insert_save): Likewise.
8557 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8558 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8559 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
8561 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8563 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
8564 noce_try_store_flag_inc, noce_try_store_flag_mask,
8565 noce_try_cmove_arith):
8566 Use reversed_comparison_code instead of reverse_comparison and
8567 can_reverse_comparison_p.
8569 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
8571 * jump.c (reversed_comparison_code_parts): Allow reversal of
8572 unordered compares in -ffast-math mode; reverse ordered compares
8573 for FP even w/o -ffast-math.
8575 2001-02-27 Richard Henderson <rth@redhat.com>
8577 * print-rtl.c (print_rtx) [i]: Don't print field five on
8578 NOTEs other than NOTE_INSN_DELETED_LABEL.
8580 2001-02-27 Zack Weinberg <zackw@stanford.edu>
8582 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
8583 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
8585 2001-02-27 Diego Novillo <dnovillo@redhat.com>
8587 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
8588 even if walk_subtrees is 0.
8589 * c-semantics.c (prune_unused_decls): Return a non-null value to
8590 stop traversing the tree chain.
8592 2001-02-27 DJ Delorie <dj@redhat.com>
8594 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
8595 register, *then* define it as the new CFA.
8597 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
8599 * pa.c (override_options): Promote -fpic to -fPIC.
8600 (legitimize_pic_address): Simplify due to removal of
8601 small PIC as a code generation option.
8602 (secondary_reload_class): Similarly.
8603 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
8604 (PRINT_OPERAND_ADDRESS): Similarly.
8605 * pa.md (various patterns): Similarly.
8606 (small pic lo_sum pattern): Remove.
8608 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
8611 * md.texi (min, max): Document
8613 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
8615 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
8616 TARGET_PARTIAL_REG_DEPENDENCY.
8617 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
8619 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
8621 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
8623 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
8625 * mips.c (mips_make_temp_file): Fix thinko in last change.
8627 2001-02-26 Jason Eckhardt <jle@redhat.com>
8629 * combine.c (known_cond): Do not reverse the condition when
8630 SMAX/UMAX is being considered and the condition is for equality
8633 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
8635 2001-02-26 Philip Blundell <philb@gnu.org>
8637 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
8639 * config/arm/linux-elf.h: Remove historical relics related to
8640 above configurations.
8641 * config/arm/linux-oldld.h: Delete.
8642 * config/arm/linux-elf26.h: Delete.
8644 2001-02-26 Jason Merrill <jason@redhat.com>
8646 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
8648 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
8649 recognize a tentative definition. Lose obsolete code.
8651 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
8652 variables unless necessary, either.
8654 2001-02-25 Richard Henderson <rth@redhat.com>
8656 * ifcvt.c (struct noce_if_info): Add test_bb.
8657 (noce_get_alt_condition): New.
8658 (noce_try_minmax, noce_try_abs): New.
8659 (noce_operand_ok): New.
8660 (noce_process_if_block): Use them.
8661 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
8663 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
8665 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
8668 2001-02-25 Zack Weinberg <zackw@stanford.edu>
8670 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
8671 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
8673 (mips_asm_file_end): Free temp_filename here.
8675 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8677 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
8678 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
8680 * config/i386/i386.md (movstrsi): Handle FAIL case.
8682 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
8684 * cppinit.c (builtin_array): Update.
8685 (init_builtins): Flag builtins to warn if redefined or
8686 undefined. Define __GXX_WEAK as a normal macro.
8687 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
8688 * cpplib.h (NODE_WARN): New flag.
8689 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
8690 Handle __STDC__ as a builtin only on Solaris.
8691 (warn_of_redefinition): Renamed from check_macro_definition.
8692 Reverse sense of test. Always warn if NODE_WARN.
8693 (_cpp_create_definition): Use warn_of_redefinition. Flag
8694 any macro beginning with "__STDC_" to require a mandatory
8695 warning if redefined or undefined.
8697 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8699 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
8700 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
8701 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
8702 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
8703 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
8704 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
8705 Don't define any of:
8706 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
8707 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
8708 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
8709 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
8710 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
8712 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
8713 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
8716 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
8717 Delete now-empty file.
8719 * alpha/vms.h: Define NEED_ATEXIT here...
8720 * alpha/xm-vms.h: ...not here.
8722 * i386/cygwin.h: Don't define PARAMS.
8723 * mips/mips.c: Don't prototype mktemp. Don't define
8724 P_tmpdir. Use make_temp_file to create temporary files.
8725 Don't be clever and delete temporary files early.
8726 * config.gcc: Drop references to deleted files. Don't define
8728 * gcc.texi: Don't mention USE_PROTOTYPES.
8730 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8732 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
8733 (ix86_set_move_mem_attrs_1): Likewise.
8734 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
8735 * config/i386/i386.md (movstrsi): Call it.
8737 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8739 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
8740 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
8741 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
8742 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
8744 (i750a-*-*): Error here if hosting on i750a.
8745 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
8747 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
8748 Remove (empty modulo comments).
8750 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
8751 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
8752 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
8753 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
8754 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
8755 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
8757 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
8758 Remove reference to winnt.h in comment.
8759 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
8761 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8763 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
8764 used to set another biv.
8766 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8768 * tree.h (BLOCK_DEAD): New macro.
8769 (struct tree_block): New flag, dead_flag.
8770 * print-tree.c (print_node, case 'b'): Print missing fields.
8771 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
8772 * function.c (identify_blocks): Enable test for misplaced notes.
8773 (all_blocks): Skip BLOCK_DEAD blocks.
8774 * integrate.c (integrate_decl_tree): Likewise.
8776 * errors.c (internal_error, trim_filename): New functions.
8777 (fancy_abort): Call internal_error.
8778 * errors.h (internal_error, trim_filename): New declarations.
8780 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
8782 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
8784 (EXTRA_CONSTRAINT): Formatting changes.
8786 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8788 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
8790 2001-02-23 Per Bothner <per@bothner.com>
8792 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
8793 so they can be called from java/jvspec.c.
8794 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
8796 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
8798 * i386.c (ix86_frame): New structure.
8799 (ix86_compute_frame_size): Kill.
8800 (ix86_compute_frame_layout): New.
8801 (ix86_save_reg): New.
8802 (ix86_can_use_return_insn_p): Use frame layout stuff.
8803 (ix86_expand_prologue): Likewise.
8804 (ix86_expand_epilogue): Likewise.
8805 (ix86_initial_elimination_offset): Likewise.
8806 (ix86_nsaved_regs): Use ix86_save_reg.
8807 (ix86_emit_save_regs): Likewise.
8809 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
8811 * flow.c (find_sub_basic_blocks): New function.
8812 (split_block): Be ready for basic block introduced by CODE_LABEL.
8813 (commit_one_edge_insertion): Call find_sub_basic_block.
8815 * flow.c (make_edges): Add edge from entry for blocks starting with
8816 label having ALTERNATE_NAME
8818 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
8820 * function.c (epilogue_done): Be ready for first basic block not
8821 containing PROLOGUE_END note.
8822 (reposition_prologue_and_epilogue_notes): Avoid placing
8823 PROLOGUE_END note between BASIC_BLOCK.
8825 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
8827 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
8829 2001-02-21 DJ Delorie <dj@redhat.com>
8831 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
8832 check for current_function_has_nonlocal_goto from 1999-11-12.
8834 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8836 * diagnostic.c (trim_filename): No longer static.
8837 * toplev.h (trim_filename): Declare.
8838 * rtl.c (rtl_check_failed_bounds): Call internal_error.
8839 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
8840 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
8841 (rtvec_check_failed_bounds): Likewise.
8842 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
8844 * convert.c (convert_to_integer): Don't do unsigned unless result or
8845 both inputs are unsigned.
8847 * fold-const.c (fold_convert): Don't call size_int_type_wide if
8850 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
8852 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
8854 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
8856 * Makefile.in (resource.o): Add params.h dependence.
8857 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
8858 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
8859 * resource.c: Add dependence on params.h.
8860 (current_live_regs): Fix explanatory comment.
8861 (find_basic_block): Add new parameter to permit limiting search
8863 (mark_target_live_regs): Add new argument to find_basic_block call.
8864 (incr_ticks_for_insn): Likewise.
8866 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8868 * diagnostic.c (output_to_stream): Rename to
8869 output_buffer_to_stream. Loses the stream parameter.
8870 (init_output_buffer): Set diagnosic_buffer's stream.
8871 (flush_diagnostic_buffer): Adjust.
8872 (default_print_error_function): Likewise.
8873 (finish_diagnostic): Likewise.
8874 (verbatim): Likewise.
8876 * diagnostic.h (struct output_buffer): Add `stream' field.
8877 (output_buffer_attached_stream): New macro.
8879 2001-02-23 Jakub Jelinek <jakub@redhat.com>
8881 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
8882 check if either operand is divisible by C.
8883 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
8884 If type is signed, consider negative numbers as well.
8886 2001-02-22 Richard Henderson <rth@redhat.com>
8888 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
8889 reach .text instead of gp-relative relocs.
8890 * config/ia64/crtend.asm (.init): Likewise.
8892 2001-02-22 Andreas Jaeger <aj@suse.de>
8894 * extend.texi (C++ Attributes): Fix typo.
8896 2001-02-21 David Mosberger <davidm@hpl.hp.com>
8898 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
8899 functions, drop current_function_args_info.words test.
8900 (ia64_compute_frame_size): Mark syscall_linkage functions as
8901 using eight input registers.
8903 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
8904 Bruce Korb <bkorb@gnu.org>
8906 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
8907 * fixinc/README: Document how to convert sed substitutions
8908 to format style c_fix-es.
8909 * fixinc/fixincl.x: regen
8911 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
8913 * gcc.c: Add comment explaining how to add a command-line option.
8914 Add title to specs language comment.
8916 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8918 * gcc.c (cc1_options): Add "-param".
8919 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
8920 (option_map): Likewise.
8921 * toplev.c (display_help): Add entry for "--param".
8922 (independent_decode_option): Fix typographical error.
8924 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
8925 Bernd Schmidt <bernds@redhat.com>
8926 Jan Hubicka <jh@suse.cz>
8928 * i386.c (function_arg_advance): Pass SSE arguments in registers.
8929 (function_arg): Likewise.
8931 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
8933 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
8935 2001-02-21 Kazu Hirata <kazu@hxi.com>
8937 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
8941 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
8943 * flow.c (init_propagate_block_info): Canon address and use single_set
8944 for killing dead memory stores.
8946 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8948 * Makefile.in (reorg.o): Add params.h dependence.
8949 * params.def: Fix typographical error in comment.
8950 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8951 * params.h: Modify introductory comment.
8952 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8953 * reorg.c: Add dependence on params.h.
8954 (redundant_insn): Add parameterized throttle for search.
8955 (fill_simple_delay_slots): Add a comment explaining a variable.
8956 Move conditional out of loop, simplifying code.
8957 (fill_eager_delay_slots): Fix typographical error in comment.
8959 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
8961 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
8963 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
8964 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
8966 2001-02-21 Jason Merrill <jason@redhat.com>
8968 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
8969 (struct tree_decl): Add uninlinable bitfield.
8970 * c-decl.c (duplicate_decls): Set it.
8971 * integrate.c (function_cannot_inline_p): Check it.
8973 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
8974 DW_AT_MIPS_linkage_name to abstract methods.
8975 (dwarf2out_abstract_function): Emit class context before calling
8976 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
8977 (gen_subprogram_die): Remove obsolete code.
8978 (gen_member_die): Don't include clones in the member list.
8979 (gen_decl_die): Emit abstract info for clone origin.
8980 * dwarfout.c (output_type): Don't include clones in the member list.
8981 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
8982 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
8983 DECL_ABSTRACT on a function that already has it set.
8985 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
8986 (get_subprogram_die): Pass it in.
8988 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
8990 * flow.c (mark_set_1): Make not_dead unsigned long. For
8991 non-pseudos, use it as a bitmask of the hard regs that
8994 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
8996 * cppfiles.c: Update comments.
8997 (_cpp_read_file): Don't check for NULL filenames any more.
8998 * cppinit.c (cpp_start_read): Don't do canonicalization of
8999 in_fname and out_fname. Use the passed file name exclusively.
9000 (_cpp_handle_options): Don't treat "-" as a command line option,
9001 but as a normal filename.
9002 (_cpp_post_options): Canonicalize in_fname and out_fname.
9003 * cppmain.c (printer_init): Don't check out_fname for NULL.
9004 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
9005 (init_c_lex): Update, and use "" to represent stdin to CPP.
9008 2001-02-20 Will Cohen <wcohen@redhat.com>
9010 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
9011 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
9012 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
9015 2001-02-20 Stan Shebs <shebs@apple.com>
9017 * config/rs6000/rs6000.c (output_cbranch): Output branches
9018 on separate lines instead of using ';' to separate.
9020 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
9022 * cppinit.c (set_lang): Move builtin handling to...
9023 (init_builtins): ...here.
9024 (_cpp_create_reader): Move call to set_lang.
9026 2001-02-20 Mark Mitchell <mark@codesourcery.com>
9028 * stmt.c (expand_return): If an attempt is made to return the
9029 error_mar_node, treat the return like a return without a value.
9031 2001-02-19 Zack Weinberg <zackw@stanford.edu>
9033 * sibcall.c (skip_copy_to_return_value): Call
9034 identify_call_return_value here, and return orig_insn if it
9035 returns zero. Hardret and softret arguments now unnecessary.
9036 (call_ends_block_p): Don't call identify_call_return_value here.
9038 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
9040 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
9041 * ggc.h (ggc_mark_if_gcable): Delete prototype.
9043 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
9045 * pa.c (move_operand): Accept code to load the address of a
9046 symbol out of the DLT as a valid move operand.
9047 (print_operand, case 'A'): New to handle generating a DLT
9048 reference for a LO_SUM expression.
9049 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
9050 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
9052 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
9054 * README, cpp.texi, gcc.texi, version.c: Update version number to
9056 * cpp.1, gcov.1, gcc.1: Regenerate.
9058 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
9060 * cppfiles.c (stack_include_file): Generate dependencies
9061 here, and manage include_count here too.
9062 (PRINT_THIS_DEP): Delete.
9063 (_cpp_execute_include): Do not generate dependencies here,
9064 apart from the case of a missing header. Do not manage
9066 (_cpp_read_file): Leave dependency generation to
9069 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
9071 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
9072 target_cpu_default. Remove dead assignment to
9075 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
9077 * regclass.c (contains_reg_of_mode): Make global.
9078 (init_reg_sets): Remove contains_reg_of_mode; take into account
9079 CLASS_MAX_NREGS when looking for the proper mode.
9080 (dump_regclass): Dump only classes considered for the pseudo.
9081 (regclass): Use contains_reg_of_mode.
9083 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
9085 * gcc.c (do_spec_1): 'n' for printing notices.
9086 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
9088 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
9090 * reg-stack.c (next_flags_user): Use current_block->end
9091 (swap_rtx_condition): Look for next user if flags don't die;
9092 give up on CALL_INSNs; use current_block->end.
9094 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9096 * sibcall.c (call_ends_block_p): New function.
9097 (optimize_sibling_and_tail_recursive_call): Use it.
9099 2001-02-18 Kazu Hirata <kazu@hxi.com>
9101 * config/h8300/h8300.md: Update copyright.
9102 (andsi3): Do not output an extra newline character.
9104 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9106 * toplev.c (note_deferral_of_defined_inlined_function): Argument
9107 FNDECL may be unused.
9109 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
9110 follow jumps after first run.
9111 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
9112 it doesn't change any jumps.
9114 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
9116 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
9117 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
9118 (mostlyclean): Corresponding changes.
9119 * rtlanal.c (hard-reg-set.h): Include.
9120 (rtx_unstable_p): Do not treat the argument pointer specially
9121 if it is not a fixed register.
9122 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
9124 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9126 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
9127 against last real insn in basic block.
9128 Rework to avoid gotos.
9130 * Makefile.in (gcse.o): Now includes ggc.h.
9131 * gcse.c: Include ggc.h.
9132 (want_to_gcse_p): Verify expression can be in SET as valid insn.
9133 (try_replace_reg): Remove warning of uninitialize variable.
9134 (process_insert_insn): Call invalid_insn_p to validate insn.
9135 * recog.c (insn_invalid_p): Now global.
9136 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
9137 * recog.h (insn_invalid_p): New declaration.
9139 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
9141 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
9142 assignments from FP constants since 'Y' output code can't handle it.
9143 (eligible_for_sibcall_delay): Likewise.
9145 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
9146 Call fancy_abort directly, passing args.
9147 (print_rtl_and_abort): Now a macro, like fancy_abort.
9149 * final.c (output_operand_lossage): Use internal_error, not error.
9151 2001-02-18 Shane Nay <shane@agendacomputing.com>
9153 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
9154 structure shift insns.
9156 2001-02-18 Mark Mitchell <mark@codesourcery.com>
9158 * invoke.texi (-fsquangle): Remove documentation.
9159 (-fname-mangling-version): Likewise.
9161 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
9163 * optabs.c (expand_abs): Remove reference to
9164 HAVE_contitional_arithmetic.
9165 * combine.c (simplify_set): Likewise.
9167 2001-02-18 Richard Henderson <rth@redhat.com>
9169 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
9172 2001-02-18 Richard Henderson <rth@redhat.com>
9174 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
9176 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
9178 * reload1.c (reload_cse_simplify_set): Fix typo.
9180 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9182 * diagnostic.c (_fatal_insn): Decrement errorcount.
9184 * invoke.texi (-I): Add note avoiding use for system header files.
9186 * rtl.h (add_clobbers): Remove duplicate declaration.
9187 * recog.h (added_clobbers_hard_reg_p): New declaration.
9188 * genemit.c (struct clobber_pat): New field has_hard_reg.
9189 (gen_insn): Record if added clobbers clobber hard reg.
9190 (gen_split): Avoid unused warning if number of operands is 0.
9191 (output_added_clobbers_hard_reg_p): New function.
9194 2001-02-18 Alan Modra <alan@linuxcare.com.au>
9196 * pa.c (hppa_expand_prologue): Simplify code storing return
9197 pointer. For large (>=8k) frames with a post_store, adjust stack
9198 pointer by 8k-64 first rather than by 64. When testing with
9199 VAL_14_BITS_P, always use the actual value rather than the value
9200 negated. Add blockage to prevent scheduling of spills before
9201 stack frame has been created.
9202 (hppa_expand_epilogue): Simplify code loading return pointer.
9203 Allow a slightly larger range for merge_sp_adjust_with_load case.
9204 When testing with VAL_14_BITS_P, always use the actual value.
9206 * pa.c (pa_adjust_insn_length): Check that block move
9207 pattern is a set before looking at operands.
9209 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9211 * fold-const.c (fold_binary_op_with_conditional_arg): New
9212 function, split out from ...
9214 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
9215 conditional arms that throw exceptions.
9217 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
9220 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9222 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
9223 define HAVE_DECL_* to 1 to mask potential backup declarations.
9224 * configure: Regenerated.
9226 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9228 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
9230 2001-02-17 Richard Henderson <rth@redhat.com>
9232 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
9233 when replacing a memory load with a register.
9235 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9236 Jan Hubicka <jh@suse.cz>
9238 * recog.c (validate_replace_src_1): New.
9239 (validate_replace_src_data): Likewise.
9240 (validate_replace_src): Use note_uses.
9241 * rtl.h (note_uses): Declare.
9242 * rtlanal.c (note_uses): New.
9244 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
9246 * reg-stack.c (stack_def): Make field reg unsigned.
9247 (remove_regno_note): Unsignetize parameter.
9249 2001-02-16 Jes Sorensen <jes@linuxcare.com>
9251 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
9252 shladd_operand() call.
9254 2001-02-16 Bruce Korb <bkorb@gnu.org>
9255 Rodney Brown <RodneyBrown@mynd.com>
9257 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
9258 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
9259 machine restrictions
9260 * fixinc/fixincl.x: regen
9262 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9264 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
9266 (hash_scan_insn): Clean up calls to hash_scan_set.
9267 (compute_kill_rd): REGNO now unsigned.
9268 (try_replace_reg): Rework to use simplify_replace_rtx.
9269 (cprop_jump, cprop_cc0_jump): Likewise.
9270 (cprop_insn): Call find_reg_equal_equiv_note.
9271 Reflect changes to cprop_jump and cprop_cc0_jump.
9273 * recog.c (validate_replace_src): Replace in operands of
9274 ZERO_EXTRACT in SET_DEST.
9276 * cse.c (new_label_ref): New variable.
9277 (insert): Set it instead of recorded_label_ref.
9278 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
9279 CODE_LABEL for this function, and not already in REG_LABEL note.
9281 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
9283 * resource.c (mark_referenced_resources): Fix typo in introductory
9285 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
9288 2001-02-16 Jason Merrill <jason@redhat.com>
9290 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
9292 (gen_subprogram_die): Don't abort on seeing a second definition if
9293 the previous one was abstract. Don't replace an abstract instance
9294 in the lookup table.
9296 * dwarf2out.c (dwarf2out_abstract_function): Rename from
9297 gen_abstract_function.
9298 * dwarf2out.h: Declare it.
9299 * toplev.c (note_outlining_of_inline_function): New fn.
9300 * toplev.h: Declare it.
9301 * integrate.c (output_inline_function): Call it.
9302 * c-decl.c (duplicate_decls): Call it when redefining an extern
9303 inline. Don't inline the new defn.
9305 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
9307 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9309 * .gdbinit: Rename to gdbinit.in.
9310 * gdbinit.in: New file,
9311 * configure.in: Generate .gdbinit from gdbinit.in.
9312 * configure: Regenerated.
9313 * Makefile.in (distclean): Always remove .gdbinit.
9315 2001-02-16 Jakub Jelinek <jakub@redhat.com>
9317 * objc/objc-act.c (start_class): Register implemented_classes with
9320 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
9322 * cppfiles.c (_cpp_make_system_header): Generate a file
9325 2001-02-15 Jim Meyering <meyering@lucent.com>
9327 * Makefile.in (install-common): Don't depend on installdirs here.
9328 Instead, make each of the lang.install-common targets (e.g.,
9329 c++.install-common in cp/Make-lang.in) depend on it.
9330 (install-driver): Depend on installdirs.
9332 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9334 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
9336 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
9339 2001-02-15 Mark Mitchell <mark@codesourcery.com>
9341 * invoke.texi (--param): Document.
9343 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
9345 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
9347 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
9349 * i386.md (extendsfdf2_2): Fix constraints.
9351 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
9353 * i386.md (fop_df_3 splitter): Fix operand number.
9355 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
9357 * invoke.texi (-mreg-alloc): Nuke.
9358 * i386.c (ix86_reg_alloc_order, regs_allocated,
9359 order_regs_for_local_alloc): Nuke.
9360 (override_options): Kill reg_alloc code.
9361 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
9362 (REG_ALLOC_ORDER): SSE goes before I387.
9363 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
9364 (ix86_reg_alloc_order): Likewise.
9365 * i386-protos.h (ix86_reg_alloc_order): Kill.
9367 2001-02-14 Richard Henderson <rth@redhat.com>
9369 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
9371 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
9373 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
9375 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
9377 * i386-protos.h (ix86_memory_move_cost): Move offline.
9378 * i386.c (ix86_register_move_cost): Compute properly cost of
9379 SSE, MMX and i387 instructions.
9380 (*_cost): Add costs of SSE/MMX moves.
9381 (ix86_memory_move_cost): Move offline from ....; Likewise.
9382 * i386.h (MEMORY_MOVE_COST): .... here;
9383 (struct processor costs): Add new fields to represent costs
9386 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
9388 * regclass.c (init_reg_sets_1): Reinstall the optimization of
9389 move_cost together with Matt Kraai's fix.
9391 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9393 * Makefile.in (OBJS): Add params.o.
9395 2001-02-14 Richard Henderson <rth@redhat.com>
9396 DJ Delorie <dj@redhat.com>
9398 * jump.c (jump_optimize_1): When we delete a conditional jump
9399 preceeding a non-conditional jump to effectively the same place,
9400 make sure that the combined jump skips any clobber insns between
9403 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9405 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
9407 2001-02-14 Mark Mitchell <mark@codesourcery.com>
9409 * Makefile.in (toplev.o): Depend on params.h.
9410 (intergate.o): Likewise.
9411 (params.o): New target.
9412 * flags.h (inline_max_insns): Remove.
9413 * integrate.c: Include params.h.
9414 Use MAX_INLINE_INSNS instead of inline_max_insns.
9415 * params.c: New file.
9416 * params.h: Likewise.
9417 * params.def: Likewise.
9418 * toplev.c: Include params.h.
9419 (lang_independent_params): New variable.
9420 (decode_f_option): Use the param machinery instead of setting
9422 (independent_decode_option): Handle "--param name=value".
9423 (main): Register language-independent parameters.
9425 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
9427 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
9429 2001-02-14 Richard Henderson <rth@redhat.com>
9431 * regclass.c (init_reg_sets_1): Revert last two changes.
9433 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9435 * stor-layout.c (is_pending_size, put_pending_size): New functions.
9436 (variable_size): Call put_pending_size.
9437 * tree.h (is_pending_size, put_pending_size): Add prototypes.
9438 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
9439 sizes list, put newly created SAVE_EXPR there as well.
9441 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9443 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
9444 (errata_find_address_regs): load_group has only 2 entries.
9445 (errata_emit_nops): Likewise. shladd is not problematic.
9446 Clear last_group if nop was emitted.
9447 (fixup_errata): load_group has only 2 entries.
9450 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
9452 * c-lex.c (lex_number): Only warn traditionally for U suffix
9453 outside system macros.
9454 * cppexp.c (parse_number): Similarly.
9455 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
9456 * cppmacro.c (struct cpp_macro): New member node.
9457 (parse_args): Only warn about missing rest args if not
9459 (funlike_invocation_p): Similarly for uninvoked funlike macros.
9460 (cpp_sys_objmacro_p): New.
9461 (_cpp_create_definition): Store the node with the macro defn.
9462 Remember if the macro is defined in a system header.
9464 2001-02-13 DJ Delorie <dj@redhat.com>
9466 * configure.in (check_languages): determine languages to check
9467 * Makefile.in (check-c++): alias for check-g++
9468 (check-f77): alias for check-g77
9469 (CHECK_TARGETS): depend on configured languages
9471 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
9473 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9474 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9475 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9476 (sqrtextendsfdf2): Disable for SSE2.
9478 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9480 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9481 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9482 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9483 (sqrtextendsfdf2): Disable for SSE2.
9485 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
9487 * i386.md (movsfcc_1): Support integer cmove instruction.
9488 (movdfcc_1): Likewise; new splitter.
9490 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
9492 * i386.c (output_fp_compare): Support SSE.
9493 (prepare_fp_compare_args): SSE comparisons always support memory.
9494 * i386.h (TARGET_CMOVE): SSE imply cmove.
9495 * i386.md (cmp?f2): Enable for SSE too.
9496 (cmpfp_i*): Support SSE.
9498 (cmpfp_i_sse_only): New.
9499 (s*, b* fp expanters): Enable for SSE too.
9500 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
9503 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
9505 * regclass.c (init_reg_sets_1): Silence warning.
9507 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
9509 * i386.md (sqrt?f2): Change to expander.
9510 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
9512 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9514 * rtlanal.c (find_reg_equal_equiv_note): New function.
9515 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
9516 (simplify_gen_relational, simplify_replace_rtx): Likewise.
9517 * rtl.h: Add declarations for above functions.
9519 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
9521 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
9523 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
9524 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
9525 * flow.c (mark_regs_live_at_end): Likewise.
9526 (calculate_global_regs_live): Likewise.
9527 * gcse.c (compute_hash_table): Likewise.
9528 (compute_kill_rd): Likewise.
9529 * resource.c (mark_target_live_regs): Likewise.
9530 * rtl.h (INVALID_REGNUM): New macro.
9532 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
9534 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
9536 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
9538 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
9541 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
9543 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
9545 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
9546 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
9547 (fop_sf_1_sse, fop_df_1_sse): New patterns
9548 (fop_*): Disable float_extend and float patterns for SSE compilation.
9549 * i386.c (output_387_binary_op): Support SSE.
9551 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
9553 * i386.md (dummy_extendsfdf2): Support SSE2
9554 (extendsfdf2): Enable if 80387 or SSE2.
9555 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
9556 and no MIX_I387_SSE2
9557 (extendsfdf2_1_sse_only): New pattern.
9558 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
9560 (truncdfsf2_1): Support SSE.
9561 (truncdfsf2_2): Support SSE.
9562 (truncdfsf2_2_1_sse): New pattern.
9563 (fixtruncsfsi2): Always use SSE if available.
9564 (fix_truncsfsi_sse): New pattern.
9565 (fix_truncdfsi_sse): New pattern.
9566 (floatsis?f2): Support SSE.
9567 (floatsidf2_i387): New pattern.
9568 (floatsidf2_sse): Likewise.
9570 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9572 * configure.in: Use "have_gnat" variable, not "gnat".
9573 * configure: Regenerated.
9575 * config/sparc/sparc.c (function_value): Treat all non-record
9576 aggregate types like used to treat UNION_TYPE.
9578 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
9580 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
9581 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
9583 (MASK_MIX_SSE_I387): New.
9584 (TARGET_SSE): SSE2 imply SSE.
9585 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
9586 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
9587 (enum reg_class): Add new classes.
9588 (REG_CLASS_NAMES): Likewise.
9589 (REG_CLASS_CONTENTS): Likewise.
9590 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
9591 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
9592 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
9593 (CLASS_MAX_NREGS): Use new macros.
9594 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
9595 * i386.md (pushsf, movsf): Support SSE.
9596 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
9597 splitters to use ANY_FP_REGNO_P.
9598 (movdf_nointeger, movdf_integer): Likewise.
9600 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9602 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
9603 (try_combine): Use it.
9605 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
9607 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
9608 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
9609 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
9610 (REGISTER_MOVE_COST): Likewise.
9611 * i386-protos.h (ix86_secondary_memory_needed,
9612 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
9613 * i386.c (ix86_secondary_memory_needed,
9614 ix86_preferred_reload_class, ix86_register_move_cost): New function.
9616 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
9618 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
9619 (HARD_REGNO_MODE_OK): Move offline to ....
9620 * i386.c (ix86_hard_regno_mode_ok) ... here;
9621 refuse all incorrect modes.
9622 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
9624 2001-02-13 Richard Henderson <rth@redhat.com>
9626 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
9627 entire operator; replicate that and match_dup the operands.
9628 (cmp_ccx_arith_op_set): Likewise.
9629 (cmp_cc_arith_op_not_set): Likewise.
9630 (cmp_ccx_arith_op_not_set): Likewise.
9632 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9634 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
9636 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9638 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
9639 (TARGET_NO_BITFIELD_WORD): New macro.
9640 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
9641 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
9643 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9645 * cselib.c: New file, from simplify-rtx.c.
9646 * simplify-rtx.c: Remove cselib parts.
9647 * Makefile.in: Add cselib.o.
9649 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9651 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
9652 (setup_incoming_varargs): Remove warning.
9654 * config/rs6000/rs6000.c (validate_condition_mode): When
9655 flag_fast_math, allow floating-point conditionals to be reversed.
9656 (rs6000_generate_compare): When flag_fast_math, don't generate
9657 cror operations for FP conditionals.
9659 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
9661 (ASM_SPEC): Likewise.
9662 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
9663 (CC1_SPEC): Likewise.
9664 (LINK_TARGET_SPEC): Likewise.
9665 (CPP_ENDIAN_SPEC): Likewise.
9666 * Makefile.in (check-consistency): New target.
9668 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
9670 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
9671 "return type defaults" warning for functions with return type
9673 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
9674 function declarations by default rather than only when pedantic.
9676 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
9678 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
9681 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9683 * extend.texi (Deprecated): Deprecate new initializer lists.
9685 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9687 * mkdeps.c (deps_add_default_target): Robustify. Add
9688 basename component only.
9689 * cpp.texi (-M): Describe how default target is generated.
9690 * invoke.texi (-M): Likewise.
9692 2001-02-12 Kazu Hirata <kazu@hxi.com>
9694 * toplev.c (push_float_handler): Remove.
9695 (pop_float_handler): Remove.
9696 * toplev.h: Remove prototypes for the above functions.
9698 2001-02-12 Jakub Jelinek <jakub@redhat.com>
9700 * c-common.c (constant_fits_type_p): New function.
9701 (convert_and_check): Use it.
9703 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9705 * Makefile.in (GXX_ABI_FLAG): Don't define.
9706 * configure.in (--enable-new-gxx-abi): Remove option.
9707 * config.in: Regenerated.
9708 * configure: Likewise.
9710 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
9712 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
9714 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
9715 regular basic block, and arrange for all edges into it to switch
9718 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9720 * Makefile.in (distclean): Do not remove .gdbinit.
9722 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9724 * Makefile.in (gcc.o): Fix typos.
9725 (protize.o): Likewise.
9726 (unprotoize.o): Likewise.
9728 2001-02-11 Richard Henderson <rth@redhat.com>
9730 * tree.c (build1): Check for null operand in last change.
9732 2001-02-11 Richard Henderson <rth@redhat.com>
9734 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
9735 (fold): Don't assume a constant isn't foldable.
9736 * tree.c (build): Set TREE_CONSTANT for an expression with no
9737 side-effects and constant operands.
9740 2001-02-10 Richard Henderson <rth@redhat.com>
9742 * jump.c (squeeze_notes): Revert 2000-05-12 change.
9744 2001-02-10 Anthony Green <green@redhat.com>
9746 * cpp.texi (Standard Predefined): Add documentation for
9749 * c-common.c (combine_strings): Improve warning message.
9751 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
9753 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
9755 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
9757 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
9759 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
9762 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
9764 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
9767 2001-02-09 Nick Clifton <nickc@redhat.com>
9769 * config/arm/arm.md: Change output contraint on post inc
9770 load/store multiple patterns to be a read/write contraint.
9772 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
9774 * gcc.c (cpp_options): Delete .d files on error. Don't delete
9775 .o files when using the -M options.
9777 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9778 David Edelsohn <edelsohn@gnu.org>
9780 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
9781 handle DImode constants. Use one TOC entry for SImode and smaller
9782 constants, aligned properly.
9784 2001-02-08 Jason Merrill <jason@redhat.com>
9786 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
9787 about the SP adjustment for saving the static chain pointer.
9788 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
9789 offset when setting a temporary CFA register.
9791 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
9793 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
9794 powerpc-*-chorusos* .
9795 * config/rs6000/chorus.h : New file.
9796 * config/i386/chorus.h : New file.
9797 * config/sparc/chorus.h : New file.
9798 * config/sparc/t-chorus-elf : New file.
9800 2001-02-08 David Edelsohn <edelsohn@gnu.org>
9802 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
9803 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
9804 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
9805 (__WCHAR_TYPE__): Correct macro name.
9807 2001-02-08 Richard Henderson <rth@redhat.com>
9809 * config/i386/i386.c (ix86_frame_pointer_required): New.
9810 (ix86_setup_frame_addresses): New.
9811 (struct machine_funciton): Add accesses_prev_frame.
9812 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
9813 ix86_frame_pointer_required.
9814 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
9815 (SETUP_FRAME_ADDRESSES): New.
9816 * config/i386/i386-protos.h: Update.
9817 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
9818 from FRAME_POINTER_REQUIRED.
9819 * config/i386/svr3gas.h: Likewise.
9820 * config/i386/sysv3.h: Likewise.
9821 * config/i386/v3gas.h: Likewise.
9823 2001-02-08 Richard Henderson <rth@redhat.com>
9825 * config/sparc/sparc.c (function_arg_record_value_3): Fix
9826 calculation of the number of integer registers required.
9827 (function_arg_record_value): Likewise.
9829 2001-02-08 Jason Merrill <jason@redhat.com>
9831 * diagnostic.c (internal_error): Say "confused" after 1 error, not
9832 two. Print file and line with "confused" message.
9834 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
9836 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9838 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
9840 2001-02-08 Bernd Schmidt <bernds@redhat.com>
9842 * final.c (cleanup_subreg_operands): The address of a MEM can
9845 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
9848 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
9850 * gcc.texi (Incompatibilities): Update documentation of
9851 preprocessing numbers.
9853 2001-02-07 Jakub Jelinek <jakub@redhat.com>
9855 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
9857 2001-02-07 Mark Mitchell <mark@codesourcery.com>
9859 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
9861 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
9862 * gcc.c (struct compiler): Add cpp_spec field.
9863 (input_file_compiler): New variable.
9864 (do_spec_1): Allow a particular compiler to handle `%C'
9866 (main): Store the current compiler in input_file_compiler.
9867 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
9869 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
9871 * cpphash.h (struct spec_nodes): Add n_true and n_false.
9872 * cppinit.c (cpp_create_reader): Initialize them.
9873 (append_include_chain): cxx_aware arg might be unused.
9874 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
9875 keywords and give them their phase 7 meaning. Pedwarn about
9876 this unless '__bool_true_false_are_defined' is defined.
9878 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9880 * lcm.c (optimize_mode_switching): Emit mode_set before the
9881 JUMP_INSN of an abnormal edge.
9883 2001-02-07 Bernd Schmidt <bernds@redhat.com>
9885 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
9886 a scheduling barrier at the end.
9888 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
9890 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9892 * config/sh/sh.md (reload_outsf): Removed.
9893 (movsf_ie): Introduce constraints for FPUL loads and stores.
9894 (reload_insf): Broaden the output constraint.
9896 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
9898 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
9899 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
9901 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
9903 * final.c: Revert my previous changes.
9904 * output.h: Make profile_label_no extern.
9905 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
9906 for generating label.
9908 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
9910 * config/i386/djgpp.h: Add comments about standard paths.
9911 (MD_EXEC_PREFIX): Undefine before defining.
9912 (MD_STARTFILE_PREFIX): New.
9914 2001-01-30 Bruce Korb <bkorb@gnu.org>
9916 fixinc/fixincl.c(process): Emit error message only if appropriate :)
9917 (load_file): do not rely on load_file_data() to close file pointer
9918 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
9919 fixinc/inclhack.def(irix_limits_const): add test_text
9921 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9923 * cppexp.c (parse_defined): Improve diagnostics for invalid
9926 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9928 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
9930 2001-02-06 Mark Mitchell <mark@codesourcery.com>
9932 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
9933 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
9934 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
9935 (rs6000_output_symbol_ref): New function.
9936 (output_toc): Use VTABLE_NAME_P.
9938 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9940 * print-tree.c (print_node, case PARM_DECL):
9941 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
9943 * stor-layout.c (reference_types_internal): New variable.
9944 (internal_reference_types): New function.
9945 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
9946 * tree.h (internal_reference_types): New declaration.
9948 * cse.c (find_best_addr): Fix typo in computing cost.
9950 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9952 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
9953 and this is the sum of a pointer and a constant, we know the result
9955 (num_sign_bit_copies, case PLUS): Likewise.
9956 * explow.c (convert_memory_address): Remove opposite SUBREG.
9957 * function.c (instantiate_new_reg): New function (from common code).
9958 (instantiate_virtual_regs_1): Call it.
9959 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
9960 if pointers sign- or zero-extend.
9961 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
9962 If pointers extend unsigned, use inside of SUBREG.
9963 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
9965 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
9967 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
9968 subdir of gcc_gxx_include_dir.
9969 (gcc_gxx_target_include_dir): Remove.
9971 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
9973 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
9974 (dwarf2out_frame_debug_expr): Revise introductory comments to add
9975 a high-level description.
9977 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
9979 * final.c: Move the declaration of profile_label_no to ...
9980 * output.h: ... here.
9981 * function.c (expand_function_start): Call PROFILE_HOOK.
9982 * config/rs6000/aix.h: Define PROFILE_HOOK.
9983 * config/rs6000/rs6000-protos.h: output_profile_hook new.
9984 * config/rs6000/rs6000.c (output_profile_hook): Define.
9985 (output_prolog): Do nothing for ABI_AIX as it is taken care by
9986 output_profile_hook.
9987 tm.texi : Explain new macro PROFILE_HOOK.
9989 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
9991 * extend.texi (Extended Asm): Do not say that semicolon is always
9992 a valid line-breaking character for GNU assemblers. Use
9993 newline-tab as the most commonly supported syntax. Use
9994 newline-tab rather than semicolon in multi-insn examples.
9996 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9998 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
10000 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10001 David Edelsohn <edelsohn@gnu.org>
10003 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
10004 code for AIX, even without flag_pic.
10006 2001-02-05 Jakub Jelinek <jakub@redhat.com>
10008 * c-typeck.c (common_type): push and pop binding level around
10009 calling common_type on function parameters.
10011 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
10013 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
10015 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10017 * config/mips/mips.c (override_options): Fix typo in last change.
10018 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
10019 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
10021 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
10023 * invoke.texi (-fdump-class-layout): Document.
10024 (-fdump-translation-unit): Use `=' as filename separator.
10026 2001-02-05 Mark Mitchell <mark@codesourcery.com>
10028 * Makefile.in (s-mlib): Don't build multilibs if
10029 --disable-multilib.
10030 (DRIVER_DEFINES): Adjust accordingly.
10032 (protoize.o): Likewise.
10033 (unprotoize.o): Likewise.
10034 * configure.in: Recognize --enable-multilib.
10036 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10038 * Makefile.in (DRIVER_DEFINES): Fix quoting.
10040 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
10041 * configure.in: Remove --enable-libstdcxx_v3 support.
10042 * configure: Regenerated.
10044 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10046 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
10047 Call abort instead of fatal.
10048 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
10049 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
10050 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
10051 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
10052 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
10053 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
10055 * diagnostic.h (set_internal_error_function): Renamed.
10056 * toplev.h (internal_error): Renamed from fatal.
10057 (pfatal_with_name): Deleted.
10058 (fatal_io_error): Now has printf-style arguments.
10059 * diagnostic.c (pfatal_with_name): Deleted.
10060 (fatal_io_error): Rework to have args in printf-style.
10061 (set_internal_error_function): Renamed from set_fatal_function.
10062 (internal_error): Renamed from fatal.
10063 (error_recursion, fancy_abort): Call internal_error instead of fatal.
10064 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
10065 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
10066 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
10067 * flow.c (verify_flow_info): Likewise.
10068 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
10069 * config/mips/mips.c (save_restore_insns): Likewise.
10071 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
10072 * flow.c (verify_flow_info): Likewise.
10073 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
10074 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
10075 (avr_normalize_condition): Likewise.
10076 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
10077 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
10078 (limit_reload_class, double_reg_to_memory): Likewise.
10079 (print_operand_address, emit_1600_code_shift): Likewise.
10080 (gen_tst_reg, gen_compare_reg): Likewise.
10081 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
10082 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
10084 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
10086 * c-parse.in (methoddef): Call fatal_error instead of fatal.
10087 * objc/objc-act.c (build_ivar_chain): Likewise.
10088 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
10090 * graph.c (clean_graph_dump_file): Likewise.
10091 * profile.c (init_branch_prob): Likewise.
10092 * objc/objc-act.c (objc_init): Likewise.
10094 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
10095 * config/avr/avr.c (avr_override_options): Likewise.
10096 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
10097 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
10098 * config/h8300/h8300.c (h8300_init_once): Likewise.
10099 * config/mips/mips.c (override_options): Likewise.
10100 * config/i386/i386.c (override_options): Likewise, rework.
10101 * config/m68k/m68k.c (override_options): Likewise.
10103 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
10105 * config/mips/mips.c (print_operand): Likewise.
10106 * hash.c (hash_allocate): Don't check for failure returns from
10107 obstack functions that can't fail.
10108 (hash_table_init_n, hash_table_init): Likewise; also now return void.
10109 * hash.h (hash_table_init_n, hash_table_init): Now return void.
10110 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
10111 (get_object_reference): Likewise.
10113 2001-02-04 Nick Clifton <nickc@redhat.com>
10115 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
10116 StrongARM1110, 10TDMI, and 1020T.
10118 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10120 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
10122 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
10124 * config/sh/sh.md (movdf load split): Pass register number to
10125 FP_OR_XD_REGISTER_P.
10127 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10129 * cppinit.c (BC): New macro.
10130 (builtin_array): Add __GXX_WEAK__.
10131 * cpplib.h (builtin_type): Add BT_WEAK.
10132 * cppmacro.c (builtin_macro): Handle BT_WEAK.
10133 * defaults.h (SUPPORTS_ONE_ONLY): Define.
10134 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
10136 2001-02-03 Jakub Jelinek <jakub@redhat.com>
10138 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
10140 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10142 * cpphash.h: Rename _ALIGN POOL_ALIGN.
10143 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10145 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10147 * cpphash.h: Rename ALIGN _ALIGN.
10148 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10150 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
10152 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
10153 compilation environment.
10154 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
10155 control over location of cygwin includes and libs.
10157 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10159 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
10161 2001-02-02 lars brinkhoff <lars@nocrew.org>
10163 * md.texi (Standard Names): remove reference to spur.md.
10165 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10167 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
10168 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
10169 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
10170 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
10171 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10173 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10175 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
10176 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
10177 number before reload.
10178 (c4x_adjust_cost): Return zero before reload.
10179 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
10180 split before reload.
10182 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10184 * c4x.c (c4x_hard_regno_rename_ok): New.
10185 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
10186 * c4x.h (HARD_REGNO_RENAME_OK): Define.
10188 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10190 * diagnostic.h: Add missing "extern" in all declarations.
10192 2001-02-02 Alex Samuel <samuel@codesourcery.com>
10194 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
10195 as for gcc_gxx_include_dir.
10197 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
10199 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
10201 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10203 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
10204 label before alignment to be used as the braf base address.
10205 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
10207 (casesi_jump_2): Require at least TARGET_SH2.
10209 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
10210 truncation to 32-bit doubles on -m3e and -m4-single-only.
10212 2001-02-02 Mark Mitchell <mark@codesourcery.com>
10214 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
10215 the default when building a shared object.
10216 (init_spec): Use it.
10217 * testsuite/lib/g++.exp: Include the directory where libgcc
10218 is located to the LD_LIBRARY_PATH list.
10219 * invoke.texi (-shared-libgcc): Document the cases in which
10220 GCC defaults to using the shared libgcc.
10222 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10224 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
10225 unsigned is wide enough.
10226 (BITS_PER_SI): New.
10227 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
10228 (si_to_float): Likewise.
10229 (float_to_si, float_to_usi): Use BITS_PER_SI.
10231 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10233 * dwarf2out.c: Added explanation of abbreviations.
10234 (def_cfa_1): Added comments listing DWARF2 instructions.
10235 (cfa_temp_reg): Removed in favor of cfa_temp.
10236 (cfa_temp_value): Removed in favor of cfa_temp.
10237 (cfa_temp): New global variable.
10238 (dwarf2out_frame_debug_expr): Added extensive introductory
10239 comments explaining the function's transformations. Revised to
10240 use cfa_temp. Added some rtx checking. Generalize IOR case.
10241 (dwarf2out_frame_debug): Revised to use cfa_temp.
10242 (output_aranges): Cast as "unsigned" to avoid warning.
10243 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
10244 explain which instructions must be marked.
10246 2001-02-01 Richard Henderson <rth@redhat.com>
10248 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
10251 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
10253 * config/sh/crt1.asm (main_k): Modified so that start calls
10254 ___setup_argv_and_call_main.
10256 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
10258 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
10259 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
10260 and AVOID_LPASTE is cleared on meeting an unescaped newline.
10261 * cppmacro.c (builtin_macro): Set builtin flags here.
10262 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
10263 (replace_args): Clarify intent.
10264 (cpp_get_token): Macro expansion tokens get the saved flags.
10266 * cppmain.c (scan_buffer): Remove now-redundant print.printed
10269 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10271 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
10274 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10276 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
10277 returns Pmode pseudo, but we need ptr_mode.
10278 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
10279 Remove bogus conversions; use HOST_WIDE_INT for size.
10280 Don't use TARGET if wrong mode.
10282 * config/i386/i386.c (ix86_compute_frame_size): Allow
10283 stack_alignment_needed to be non-default even if size is zero.
10285 2001-01-31 Alan Modra <alan@linuxcare.com.au>
10287 * pa.c (hppa_init_pic_save): New function.
10288 * pa.h (hppa_init_pic_save): Declare.
10289 * pa.md (call, call_value, sibcall, sibcall_value): Use
10290 the above instead of duplicated code.
10292 * pa.c (hppa_encode_label): Correct size of alloca buffer
10293 so we don't overrun it. Correct leading `*' case.
10294 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
10295 need to handle `*@'.
10296 (FUNCTION_NAME_P): Likewise.
10298 2001-01-31 Richard Henderson <rth@redhat.com>
10300 * config.gcc (alpha-osf5): Use float-i128.h.
10302 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
10303 * config/float-i32.h: Likewise.
10304 * config/float-i64.h: Likewise.
10305 * config/float-sh.h: Likewise.
10306 * config/float-sparc.h: Likewise.
10308 2001-01-31 DJ Delorie <dj@redhat.com>
10310 * expmed.c (extract_bit_field): allow non-integral modes if we
10311 want to extract a whole register from itself.
10313 2001-01-31 Jakub Jelinek <jakub@redhat.com>
10315 * c-typeck.c (set_init_index): If first is equal to last, assume as
10316 if it was not a range at all.
10318 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10320 * config/fp-bit.c: Include tm.h.
10321 (float_to_si): Don't assume SImode is 32-bits wide.
10322 (float_to_usi): Likewise.
10324 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
10326 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
10328 (typename): Call pending_xref_error after parsing typed_typespecs.
10329 * c-decl.c (lookup_tag): Give error immediately rather than
10330 leaving it pending if the tag of the wrong type is in the same
10332 (xref_tag): Don't pedwarn for forward declarations of enum types
10334 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
10337 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10339 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
10341 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10343 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
10344 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
10346 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10348 * cpphash.h (struct cpp_reader): New saved_flags.
10349 * cppmacro.c (cpp_get_token): Use saved_flags to remember
10350 to avoid a paste after a pasted token.
10352 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10354 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
10355 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
10356 Wtype_MIN instead of LONG_MIN.
10358 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10360 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
10362 * fixinc/fixincl.x: Regenerated.
10363 * fixinc/inclhack.def (irix_limits_const): New definition to
10364 convert "const" to "__const" in limits.h.
10366 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10368 * fixinc/genfixes (AG): Fix "autogen4" thinko.
10370 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10372 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
10373 when register dies in the insn.
10375 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10377 * diagnostic.c (fatal): Fix word wrap.
10379 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
10381 * combine.c (try_combine): Fix SUBREG setting for
10382 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
10384 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10386 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
10389 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10391 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
10393 * toplev.c (decode_W_option): Update warn_larger_than
10394 unconditionally for each processed switch.
10396 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
10398 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
10400 (hppa_expand_prologue): Delete code to save pic offset table register
10401 in the function prologue.
10402 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
10403 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
10404 table register at the beginning of the function after the prologue.
10406 2001-01-29 lars brinkhoff <lars@nocrew.org>
10408 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
10410 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
10411 Jeff Law <law@redhat.com>
10413 * pa.md (return): Revise comment for trivial return.
10414 (return_internal): Non-trivial return pattern for non-PIC code.
10415 (return_internal_pic): Non-trivial return pattern for PIC code.
10416 It uses the PIC register to ensure it is restored after
10418 (epilogue): Generate appropriate return for PIC and non-PIC code.
10420 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
10422 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
10424 2001-01-29 DJ Delorie <dj@redhat.com>
10426 * combine.c (if_then_else_cond): Pass the correct mode to
10427 operand_subword() for constants.
10429 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
10431 * config/i386/cygwin.h: Add w32api to include search. Search different
10432 directories in a cross-build environment.
10434 2001-11-29 Tim Josling <tej@melbpc.org.au>
10436 * tree.h (TYPE_STUB_DECL): Add documentation.
10438 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
10440 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
10441 (sdbout_field_types): Likwise. Fix use of host_integerp.
10443 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
10445 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
10448 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
10450 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
10451 to use flag_gnu_linker.
10453 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
10455 * cpplib.c (T_BAD_DIRECTIVE): Remove.
10456 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
10458 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
10460 * tree.c, tree.h (build_parse_node): Remove; was identical to
10462 * c-lang.c (start_cdtor), objc/objc-act.c
10463 (build_module_descriptor): Use build_nt instead of
10466 2001-01-29 Jakub Jelinek <jakub@redhat.com>
10468 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
10469 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
10470 not have any upper bits set.
10472 2001-01-29 Phil Edwards <pme@sources.redhat.com>
10474 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
10476 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10478 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
10480 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
10482 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
10483 (integer_minus_one_node): Define.
10485 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
10487 * Makefile.in (bootstrap2-lean): Fix typo.
10489 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
10491 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
10492 : Don't set fe_value.
10493 * cpplib.h (AVOID_LPASTE): New flag.
10494 (struct cpp_hashnode): Remove fe_value.
10495 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
10496 * cppmacro.c (builtin_macro): Don't set flags here.
10497 (replace_args): Set AVOID_LPASTE flag on first token of an
10498 argument, and the token following it.
10499 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
10500 macro expansion, and on the token following it. Do it for
10502 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
10504 2001-01-27 Richard Henderson <rth@redhat.com>
10506 * config/alpha/t-ieee: Remove multilibbing.
10507 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10509 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10511 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10513 * Makefile.in: Remove all dependencies on defaults.h.
10514 * builtins.c: Don't include defaults.h.
10515 * c-common.c: Likewise.
10516 * c-decl.c: Likewise.
10517 * c-pragma.c: Likewise.
10518 * c-typeck.c: Likewise.
10519 * combine.c: Likewise.
10520 * i386.c: Likewise.
10521 * frame-ia64.c: Likewise.
10522 * cppexp.c: Likewise.
10523 * crtstuff.c: Likewise.
10524 * dbxout.c: Likewise.
10525 * dwarf2out.c: Likewise.
10526 * dwarfout.c: Likewise.
10527 * emit-rtl.c: Likewise.
10528 * except.c: Likewise.
10529 * expr.c: Likewise.
10530 * final.c: Likewise.
10531 * frame-dwarf2.c: Likewise.
10532 * libgcc2.c: Likewise.
10533 * optabs.c: Likewise.
10534 * profile.c: Likewise.
10535 * sdbout.c: Likewise.
10536 * toplev.c: Likewise.
10537 * tradcif.y: Likewise.
10538 * tree.c: Likewise.
10539 * varasm.c: Likewise.
10541 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10543 * builtins.c (expand_builtin_fputs): Use size_one_node when
10544 transforming into fwrite.
10546 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
10548 * extend.texi (Attribute Syntax): New section.
10550 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10552 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
10553 they didn't need fixing.
10555 2001-01-27 Janis Johnson <janis@us.ibm.com>
10557 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
10559 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
10560 to remove macro definitions that are duplicated from elfos.h.
10562 2001-01-27 Richard Henderson <rth@redhat.com>
10564 * config/i386/sco5gas.h: Move ...
10565 * config/usegas.h: ... here.
10566 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
10568 2001-01-27 Jakub Jelinek <jakub@redhat.com>
10570 * c-typeck.c (struct constructor_stack): Add range_stack member.
10571 (really_start_incremental_init): Clear it.
10572 (push_init_level): Save constructor_range_stack and clear it if
10573 pushing explicit braces.
10574 (pop_init_level): abort if constructor_range_stack is non-zero at
10575 explicit closing brace. Restore saved constructor_range_stack if
10578 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10580 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
10581 into register was forced into memory.
10583 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10585 * Makefile.in: Remove uses of + before $(MAKE).
10587 2001-01-26 Richard Henderson <rth@redhat.com>
10589 * stmt.c (cost_table): Remove.
10590 (COST_TABLE, cost_table_initialized): New.
10591 (estimate_case_costs): Use the later instead of the former.
10592 (balance_case_nodes): Likewise.
10594 2001-01-26 Richard Henderson <rth@redhat.com>
10596 * alias.c (objects_must_conflict_p): Read-only slots may not
10597 conflict despite having the same type.
10599 2001-01-27 Michael Hayes <mhayes@redhat.com>
10601 * loop.c (loop_giv_reduce_benefit): Copy mode size into
10603 (check_ext_dependant_givs): Initialise u_start_val and
10605 (load_mems): Make last_max_reg unsigned.
10606 (try_swap_copy_prop): Use INSN_P and initialise set.
10608 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
10610 * README.AVR : Removed.
10612 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
10614 * pa-64.h (text_section): Remove declaration.
10616 * pa.md (return_internal): Remove mode on PIC register use.
10618 2001-01-25 lars brinkhoff <lars@nocrew.org>
10620 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
10621 ASM_CLOSE_PAREN): fix typos.
10623 2001-01-25 Mark Mitchell <mark@codesourcery.com>
10625 * acconfig.h: Define `const' to the empty string if neither
10626 __STDC__ nor __cplusplus is defined.
10627 * config.in: Regenerated.
10629 2001-01-25 David Edelsohn <edelsohn@gnu.org>
10631 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
10632 * collect2.c (main): Delete importf. Add ".obj" file extension.
10633 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
10634 (aix_std_libs): Add additional AIX libraries to skip.
10635 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
10636 * config/rs6000/aix51.h: New file.
10638 2001-01-25 Michael Hayes <mhayes@redhat.com>
10640 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
10641 (loop_insn_emit_before): No longer static.
10642 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
10643 (loop_givs_rescan, load_mems): Likewise.
10644 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
10645 (maybe_eliminate_biv_1):
10646 (move_movables): Replace emit_call_insn_before with
10647 loop_call_insn_hoist.
10648 * loop.h (loop_insn_emit_before): Add.
10649 * unroll.c (copy_loop_body): Replace emit_insn_before with
10650 loop_insn_emit_before.
10652 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
10654 * diagnostic.c (fatal): Request preprocessed source.
10656 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
10658 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
10659 olddecl has argument types and newdecl has none, use the argument
10660 types from olddecl.
10662 2001-01-24 Ulrich Drepper <drepper@redhat.com>
10664 * dwarf2out.c (prefix_of): New function. Determine longest common
10665 prefix of the two arguments. The units are whole path components.
10666 (output_file_names): When adding a new directory find the one entry
10667 with the longest common prefix already in the list. Artificially
10668 generate entry if there is none for this prefix.
10669 Fix test to check whether the zeroth directory entry is used.
10671 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
10673 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
10674 Changed all callers. Take it into account when deciding if a
10675 previously loaded value matches.
10677 2001-01-24 Richard Henderson <rth@redhat.com>
10679 * reload.c (find_reloads_subreg_address): Fail the substitution
10680 if the resulting address is insufficiently aligned.
10682 2001-01-24 DJ Delorie <dj@redhat.com>
10684 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
10685 check the original operand's mode also.
10686 * simplify-rtx.c (simplify_ternary_operation): Ditto.
10688 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10690 * c-parse.in (cast_expr): Move compound literals from here ...
10691 (primary): ... to here. Use standard terminology "compound
10692 literal" instead of "constructor expression".
10694 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10696 * gcc.1, cpp.1: Regenerate.
10698 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
10700 * calls.c (emit_library_call_value_1): Memory slot for
10701 pass-by-reference argument should have the mode of the argument,
10702 not of the pointer to it.
10704 2001-01-24 Tom Tromey <tromey@redhat.com>
10706 * gcc.texi (G++ and GCC): Mention gcj manual.
10707 (Standards): Link to section of manual mentioning gcj/Java
10710 2001-01-24 Jakub Jelinek <jakub@redhat.com>
10712 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
10713 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
10714 * tradcpp.c (main): Add -imacros or -include'd dependencies
10716 * cpp.texi (-M, -MM): Document -M -include behaviour.
10718 2001-01-24 Roger Collins <roger@ProProject.com>
10720 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
10722 2001-01-24 Will Cohen <wcohen@redhat.com>
10724 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
10725 whether registers are 32 bits or 64 bits in size.
10727 2001-01-24 Ben Elliston <bje@redhat.com>
10729 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
10731 2001-01-24 Richard Henderson <rth@redhat.com>
10733 * config/alpha/alpha.md (builtin_longjmp_internal): New.
10734 (builtin_longjmp): Use it instead of emit_indirect_jump.
10736 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
10738 * bb-reorder.c (make_reorder_chain_1): Handle case where
10739 jump edge goes to the same block as the fallthru edge.
10741 2001-01-23 Jim Wilson <wilson@redhat.com>
10743 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
10744 * frame.h (__ia64_personality_v1): Add prototype.
10745 * libgcc2.c (ia64_throw_helper): Change personality declaration to
10746 prototype form. Add void * cast to first argument to personality
10748 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
10749 (asctoe113): Likewise.
10750 * config/ia64/frame-ia64.c: Include eh-common.h.
10751 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
10753 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
10755 (itanium_split_issue): Add prototype.
10756 (gen_nop_type): Ifdef out.
10757 (find_best_packet): Initialize best_packet.
10758 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
10760 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
10761 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
10762 (flushrs): Add explicit stop bit at end.
10763 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
10766 2001-01-23 Chris Demetriou <cgd@broadcom.com>
10768 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
10770 * libgcc2.c (__terminate_func): Make variable static.
10771 (__terminate_set_func): New function to set __terminate_func.
10772 * libgcc2.h (__terminate_func_ptr): New typedef.
10773 (__terminate_set_func): New function.
10775 2001-01-23 Richard Henderson <rth@redhat.com>
10777 * flow.c (init_propagate_block_info): Don't consider unchanging
10778 memories for dead frame store elimination.
10780 2001-01-23 Richard Henderson <rth@redhat.com>
10782 * varasm.c (UNIQUE_SECTION): Move default implementation ...
10783 * defaults.h: ... here.
10785 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10787 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
10789 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
10791 * c-lex.c (lex_charconst): Fix typo: s/p/str.
10793 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10795 * rs6000.h (rs6000_return_addr): Move prototype from here...
10796 * rs6000-protos.h (rs6000_return_addr): ...to here.
10797 (rs6000_init_expanders): Delete prototype.
10799 2001-01-23 Nick Clifton <nickc@redhat.com>
10801 * invoke.texi: Replace , with \, inside @gccoptlist macros.
10802 (Spec Files): Document %B and %j and %. and %v3 and %M and
10803 %{S*&T} spec switches.
10805 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10807 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
10809 2001-01-23 Chris Demetriou <cgd@sibyte.com>
10810 Neil Booth <neil@daikokuya.demon.co.uk>
10812 * cpperror.c: Merge handlers of PEDWARN and WARNING.
10813 Have -Werror make pedantic warnings errors, like the
10816 2001-01-23 Phil Edwards <pme@sources.redhat.com>
10818 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
10820 2001-01-23 Jakub Jelinek <jakub@redhat.com>
10822 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
10823 * integrate.c (expand_inline_function): Initialize them.
10824 (subst_constants): If changing COMPARE so that both its arguments
10825 will be VOIDmode and the comparison mode will be lost, note
10826 compare_mode. Use the recorded compare_mode to optimize
10829 2001-01-23 Jason Merrill <jason@redhat.com>
10831 * dwarf2out.c (new_die): Use xcalloc.
10832 (output_die): Abort rather than emit a local reference to offset 0.
10834 2001-01-17 Andrew Haley <aph@redhat.com>
10836 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
10837 of a saved register; return NULL instead.
10838 (copy_reg): Take a pointer to a source register rather than a
10840 (next_stack_level): Remember the address in the stack frame of all
10842 Use the saved register pointer array as the source of the CFA.
10843 (throw_helper): Rewrite. Unwind once rather than twice and keep
10844 track of saved registers as we go.
10846 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10848 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
10849 * c4x.c (c4x_legitimize_reload_address): Remove.
10850 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
10851 reload address for ldp(k) insn.
10853 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
10855 * pa.md (return_internal): Add a USE of the PIC register to ensure
10856 it is restored after each call.
10857 (return expander): Corresponding changes.
10859 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10861 * rs6000.h (INIT_EXPANDERS): Delete.
10862 (RETURN_ADDR_RTX): Call rs6000_return_addr().
10863 * rs6000.c (rs6000_override_options): Call *_machine_status from
10865 (rs6000_init_expanders): ...instead of here. Delete.
10866 (rs6000_mark_machine_status): New function.
10867 (rs6000_init_machine_status): Use xcalloc.
10868 (rs6000_return_addr): Generate RTX for the return address.
10869 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
10870 (rs6000_stack_info): Use it.
10872 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
10874 * gthr-win32.h: Include errno.h to get a declaration for
10875 EINVAL and _mingw.h if the target is mingw32.
10877 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
10879 * cpp.texi: Correct typos.
10881 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10883 * explow.c (probe_stack_range): Ensure value passed to
10884 stack_check_libfunc is ptr_mode, not Pmode.
10886 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
10888 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
10889 case, don't use operand_subword to calculate a SUBREG that is
10892 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
10894 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10896 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
10897 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
10898 valid. If not replace it by equivalent insns.
10900 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10902 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
10903 contains SYMBOL_REF, LABEL_REF and CONST_INT.
10904 (c4x_U_constraint, symbolic_address_operand): Likewise.
10905 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
10907 (c4x_r11_set_p, c4x_check_laj_p): New functions.
10908 * c4x-protos.h (c4x_check_laj_p): Add prototype.
10909 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
10910 anulling slot because of silicon bug.
10911 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
10913 2001-01-22 Alan Modra <alan@linuxcare.com.au>
10915 * cppexp.c (parse_charconst): Change `mask' type to agree
10918 2001-01-21 Richard Henderson <rth@redhat.com>
10920 * config/i386/i386.c (ix86_asm_file_end): Disable putting
10921 pic_label_name in a linkonce section.
10923 2001-01-17 Philipp Thomas <pthomas@suse.de>
10925 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
10927 * configure: Regenerate.
10929 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
10931 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
10932 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
10934 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
10936 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
10937 If REVERSE nonzero then condition code in X must be reversed.
10938 (encode_section_info): Optimise if/else.
10939 (avr_function_value): Fix formatting.
10941 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
10942 (difficult_branch): Likewise.
10943 (rvbranch): Likewise.
10944 (difficult_rvbranch): Likewise.
10946 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
10948 * config/avr/libgcc.S: Fix comment.
10950 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10952 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
10954 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10956 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
10958 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10960 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
10961 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
10962 * configure, config.in: Regenerate.
10963 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
10964 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
10965 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
10966 (doprint.o): New rule.
10968 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
10970 * c-typeck.c (digest_init): Handle boolean types as scalars.
10972 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10974 * stmt.c (expand_return): Don't return anything if size is zero.
10975 Delete redundant assignment to BYTES.
10976 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
10978 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
10980 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
10981 the same as the default library function names.
10982 * config/avr/avr.md: Document special characters after '%'.
10983 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
10984 knowing which of the call-used registers are really clobbered.
10985 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
10986 New. Both quotient and remainder from one libgcc.S call.
10987 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
10988 clobber as few registers as possible.
10989 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
10991 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
10993 * cppmacro.c (funlike_invocation_p): Don't move back up to the
10994 context of the top of the stack.
10996 2001-01-20 Jakub Jelinek <jakub@redhat.com>
10998 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
10999 (fixup_var_refs_insns): ...here.
11001 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
11003 * function.c (fixup_var_refs_insns): Break up into
11004 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
11005 [loop over entire insn list], and fixup_var_refs_insns_with_hash
11006 [loop over hash table entries].
11007 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
11008 fixup_var_refs_insns_with_hash, to match above changes.
11010 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
11012 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
11013 (libgcc.a): Likewise.
11014 (stmp-multilib): Likewise.
11015 (STAGE2_FLAGS_TO_PASS): Likewise.
11017 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
11019 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
11020 temporary if no_new_pseudos.
11022 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
11024 * cppinternals.texi: Update.
11026 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
11028 * arm.c (arm_init_builtins): Re-enable builtins.
11030 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11032 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
11033 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
11034 element to be null, and always expect an EXPR_LIST.
11035 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
11036 * sched-deps.c (sched_analyze_1): Likewise.
11037 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11039 * regclass.c (max_set_parallel): New variable.
11040 (reg_scan): Take it into account in computation of max_parallel.
11041 (reg_scan_mark_refs, case SET): Compute it.
11043 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
11045 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
11046 * function.c (assign_parms): Use INTVAL for a CONST_INT.
11048 2001-01-19 Jason Merrill <jason@redhat.com>
11050 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
11051 for the abstract instance of an inline function.
11053 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
11054 J"orn Rennecke <amylaar@redhat.com>
11056 * reload1.c (move2add_note_store): Treat all registers directly or
11057 indirectly derived from a base register as members of the same set
11059 (reload_cse_move2add): Adjust accordingly. Take mode and offset
11060 of base register into account.
11062 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
11064 * alias.c (find_base_value): Recognize TRUNCATE.
11065 (record_set): In PLUS case, invalidate if other summand is also a
11068 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11070 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
11071 entry to be EXPR_LIST.
11072 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
11073 be an EXPR_LIST (but not null, which other code doesn't allow).
11074 (note_stores): Properly handle PARALLEL in SET.
11075 Recursively call for top-level PARALLEL.
11076 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
11077 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11079 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
11081 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
11083 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
11084 not pfile->skipping (== 0).
11086 2001-01-17 Nick Clifton <nickc@redhat.com>
11088 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
11091 2001-01-17 Jim Wilson <wilson@redhat.com>
11093 * invoke.texi (IA-64 options): Improve.
11095 2001-01-17 Tom Tromey <tromey@redhat.com>
11097 * invoke.texi (Optimize Options): Use `{}' to around @samp
11100 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
11102 * invoke.texi (-fno-guess-branch-probability): New option.
11104 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11106 * combine.c (try_combine): Don't set i3_subst_into_i2 for
11107 case of making new double-word constant.
11108 Revert last change: instead just test i3_subst_into_i2.
11110 2001-01-17 Jakub Jelinek <jakub@redhat.com>
11112 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
11113 Use q constraints instead of r.
11115 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
11117 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
11118 (machine_function): Define.
11119 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
11120 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
11121 pa_free_machine_status): New functions.
11122 (override_options): Set {init,mark,free}_machine_status to above.
11123 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11124 PIC_OFFSET_TABLE_REGNUM_SAVED.
11125 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11126 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
11127 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
11128 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
11129 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11131 2001-01-15 DJ Delorie <dj@redhat.com>
11133 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
11137 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11139 * flow.c (propagate_one_insn): Make trying to delete a prologue
11140 or epilogue insn an ICE, not a warning. Allow doing this if
11141 the current function returns with stack pointer depressed.
11143 * combine.c (try_combine): If i3_subst_into_i2, properly check for
11144 I3 having more than one SET.
11146 2001-01-16 Jim Wilson <wilson@redhat.com>
11148 * invoke.texi: Document IA-64 options.
11150 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
11151 (fixup_errata): Delete TARGET_A_STEP use.
11152 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
11153 (TARGET_SWITCHES): Delete -ma-step option.
11154 * config/ia64/ia64.md (all FP patterns): Delete %B0.
11155 (movqicc_astep, movqi_internal_astep, movhicc_astep,
11156 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
11157 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
11158 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
11159 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
11161 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
11162 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
11163 cmovsi_internal): Delete ! TARGET_A_STEP check.
11165 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11167 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
11168 possibility to report bugs via postal mail. Change a URL and
11169 merge in a nearly duplicate statement...
11170 (Bug Reporting): ...from here.
11171 (Service): Refer to the Bug Reporting section instead of
11172 duplicating an URL.
11173 (Contributing): Remove trivial explanations concerning snapshots.
11175 2001-01-16 Alan Modra <alan@linuxcare.com.au>
11177 * cppmain.c (general_init): Don't use ANSI prototype.
11179 2001-01-16 Tom Tromey <tromey@redhat.com>
11181 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
11183 2001-01-16 Richard Henderson <rth@redhat.com>
11185 * config/i386/i386.h: Fix comment typo.
11186 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
11187 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
11189 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11191 * gcc.c: Revert previous -fsyntax-only-related change; move
11194 2001-01-16 Jakub Jelinek <jakub@redhat.com>
11196 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
11197 inmode after checking GET_CODE (op).
11199 2001-01-16 Richard Henderson <rth@redhat.com>
11201 * flow.c (struct propagate_block_info): Add mem_set_list_len.
11202 (MAX_MEM_SET_LIST_LEN): New.
11203 (propagate_one_insn): Update mem_set_list_len.
11204 (invalidate_mems_from_autoinc): Likewise.
11205 (invalidate_mems_from_set): Likewise.
11206 (mark_used_regs): Likewise.
11207 (init_propagate_block_info): Likewise. Stop collecting memories
11208 when we reach MAX_MEM_SET_LIST_LEN.
11209 (mark_set_1): Likewise.
11211 2001-01-16 Richard Henderson <rth@redhat.com>
11213 * unroll.c (precondition_loop_p): Fail if no iteration
11216 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11218 * gcc.c: When -fsyntax-only is given, do not complain about
11221 2001-01-15 Richard Henderson <rth@redhat.com>
11223 * config/i386/i386.c (asm_output_function_prefix): Remove.
11224 (ix86_asm_file_end): New.
11225 (load_pic_register): Generate pic_label_name into a
11226 staticly allocated buffer.
11227 * config/i386/i386-protos.h: Update.
11228 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
11229 (ASM_FILE_END): New.
11230 * config/i386/i386afe.h: New file.
11231 * config.gcc (i?86-*-elf) [tm_file]: Use it.
11232 (i?86-*-{freebsd,linux*,moss*}): Likewise.
11233 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
11234 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
11235 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
11236 * config/i386/sco5.h (ASM_FILE_END): Likewise.
11237 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
11239 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
11241 * Makefile.in (install-man): Remove explicit dependency on
11244 * configure.in, configure: Revert previous patch requiring perl
11247 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
11249 * toplev.c (flag_guess_branch_prob): New.
11250 (f_options): Add guess-branch-probability option.
11251 (rest_of_decl_compilation): Only estimate branch probability if
11253 (main): set flag_guess_branch_prob.
11255 * flags.h (flag_guess_branch_prob): New.
11257 2001-01-15 DJ Delorie <dj@redhat.com>
11259 * gcc.texi (Makefile): Add documentation for Makefile targets.
11261 2001-01-15 Philip Blundell <philb@gnu.org>
11263 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
11265 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
11266 (is_pic): Delete declaration.
11267 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
11268 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
11269 * config/arm/arm.md (builtin_setjmp_receiver): New.
11271 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11273 * arm.c (use_return_insn): Don't try to determine the function type
11274 until after reload has completed.
11275 (arm_output_epilogue): Don't adjust the sp value recovered from the
11277 (emit_multi_reg_push): Don't record dwarf information for the pc.
11278 * arm.md (eh_epilogue): The function type may have changed, so it
11279 needs to be recalculated.
11280 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
11281 unwind tables on arm/netbsd.
11283 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11285 * arm.md (cbranchsi4): Correct calculation of branch ranges.
11286 (negated_cbranchsi4): Likewise.
11288 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11290 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
11291 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11292 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
11293 pass -mapcs-* options to assembler.
11294 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
11295 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11296 (ASM_SPEC): Call subtarget_extra_asm_spec.
11298 2001-01-15 Andreas Jaeger <aj@suse.de>
11300 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
11302 (ix86_expand_builtin): Likewise.
11304 * gencodes.c (output_predicate_decls): Make i size_t to avoid
11305 warning about comparison between signed and unsigned.
11307 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11309 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
11311 2001-01-14 Ralf Baechle <ralf@gnu.org>
11313 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
11314 SUBTARGET_CPP_SPEC apropriatly.
11316 2001-01-12 Mark Mitchell <mark@codesourcery.com>
11318 * varasm.c (make_decl_rtl): Fix typo in last change.
11320 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
11322 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
11323 linker supports the init_priority C++ attribute.
11324 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
11325 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
11326 linker does not support init_priority C++ attribute.
11328 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
11330 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
11332 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11334 * c-parse.in (finish_parse): Add comment about cpp_destroy.
11335 * cp/lex.c (finish_parse): Similarly.
11336 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
11337 Return the number of errors encountered.
11338 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
11339 * cppmain.c (main): Don't call cpp_destroy.
11341 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
11343 * configure.in: Require at least perl 5.6.0 to regenerate
11345 * configure: Regenerate.
11347 2001-01-14 Richard Henderson <rth@redhat.com>
11349 * genrecog.c (DT_veclen_ge): New.
11350 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
11351 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
11352 (nodes_identical_1): Handle DT_veclen_ge.
11353 (write_cond, debug_decision_2): Likewise.
11355 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11357 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
11359 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
11361 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11363 * cppmain.c (do_preprocessing): New function; most of the old
11365 (main): Call it to do most of the work.
11366 (cb): Move from global scope to set_callbacks ().
11367 (setup_callbacks): Get the callback pointer.
11368 (general_init, printer_init): Clean up code and comments.
11370 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11372 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
11375 2001-01-14 Kazu Hirata <kazu@hxi.com>
11377 * config/h8300/h8300.c (get_shift_alg): Update comments.
11379 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11381 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
11382 (alloc_page, ggc_alloc): Add casts to remove warnings.
11384 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11386 * combine.c (simplify_comparison): Don't change `code' when
11387 can't reverse comparison.
11389 2001-01-14 Richard Henderson <rth@redhat.com>
11391 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
11392 update all call sites. Return true for all non-label constants.
11394 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
11396 * i386.c (ix86_expand_compare): Add bypass_test and second_test
11398 (ix86_expand_branch): Update.
11399 (ix86_expand_setcc): Update to handle multiple test conditions.
11400 (expand_int_movcc): Likewise.
11401 (expand_fp_movcc): Likewise.
11402 * i386-protos.h (ix86_expand_compare): New.
11403 * i386.md (andqi_?_slp, orqi_?_slp): New.
11404 (conditional trap expander): Update call to ix86_expand_compare.
11406 2001-01-14 Richard Henderson <rth@redhat.com>
11408 * config/vax/vax.md: Use nonimmediate_operand instead of
11409 general_operand in destinations.
11411 * config/vax/vax.md (indirect_jump): Use register_operand.
11413 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
11414 * config/vax/vax.md (call_pop): Turn into an expander.
11415 (call_value_pop): Likewise.
11416 (call, call_value): New.
11418 2001-01-14 Andreas Jaeger <aj@suse.de>
11420 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
11422 (ix86_fp_compare_mode): Add unused attribute.
11423 (ix86_expand_fp_movcc): Remove unused variable.
11424 (ix86_expand_builtin): Make fcode unsigned.
11426 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
11427 (expand_expr): Add cast to avoid signed warning.
11428 (store_field): Likewise.
11429 (store_constructor_field): Likewise.
11430 (store_constructor): Likewise.
11431 (store_expr): Likewise.
11432 (clear_storage): Likewise.
11433 (emit_group_store): Likewise.
11434 (emit_group_load): Likewise.
11436 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11438 * c-common.c: Move format checking code to ...
11439 * c-format.c: ... here. New file. Reorder some functions and
11441 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
11443 * c-common.h (decl_handle_format_attribute,
11444 decl_handle_format_arg_attribute): Declare.
11445 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
11446 (c-common.o): Adjust dependencies.
11447 (c-format.o): New list of dependencies.
11449 2001-01-13 Jakub Jelinek <jakub@redhat.com>
11451 * unroll.c (loop_iterations): If we cannot prove iteration variable
11452 is set once in each iteration, punt.
11454 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
11456 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
11457 (*strlenhi): Remove clobber (which was buggy) of output address.
11459 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11461 * Makefile.in (generated-manpages): Add gcc.1
11462 ($(srcdir)/gcc.1): New target.
11463 (maintainer-clean): Delete $(srcdir)/gcc.1.
11464 * gcc.texi: Add macros @gccoptlist and @gol.
11465 * invoke.texi: Include option summary in manpage. Mark up option
11466 summary with @gccoptlist and @gol. Use @r in one place where
11468 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
11469 * gcc.1: Generate from invoke.texi.
11471 2001-01-13 Richard Henderson <rth@redhat.com>
11473 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
11474 (struct page_entry): Add group member.
11475 (struct page_group): New.
11476 (struct globals): Add page_groups member.
11477 (alloc_anon): Only define for using mmap; remove valloc call.
11478 (page_group_index): New.
11479 (set_page_group_in_use): New.
11480 (clear_page_group_in_use): New.
11481 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
11482 (free_page, release_pages): Likewise.
11483 * configure.in (with-gc): Default to ggc-page always.
11485 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11487 * reload1.c (replace_pseudos_in_call_usage): Use
11488 reg_equiv_constant and reg_equiv_address, and don't try
11489 regno_reg_rtx first.
11491 2001-01-13 Richard Henderson <rth@redhat.com>
11493 * ggc-page.c (alloc_page): Round up allocation size to one page.
11494 Set e->order on extra pages.
11496 2001-01-13 Richard Henderson <rth@redhat.com>
11498 * genrecog.c (nodes_identical): Expand commentary.
11499 (write_switch): Watch out for identical nodes.
11501 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11503 * cppfiles.c (_cpp_fake_include): New function.
11504 * cpphash.h (_cpp_fake_include): New.
11505 * cpplib.c (do_line): Call _cpp_fake_include when entering
11506 header files in preprocessed input.
11507 * cppmain.c (cb_pragma_implementation): Remove handling.
11508 (setup_callbacks): Don't register pragmas.
11510 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11512 * extend.texi: Udate for CPP.
11514 2001-01-13 Andreas Jaeger <aj@suse.de>
11516 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
11518 * regmove.c: Add prototype for replace_in_call_usage.
11520 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11522 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
11523 struct cpp_chunk, struct htab, struct toklist,
11524 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
11525 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
11526 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
11527 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
11528 (struct macro_args): Delete.
11529 * cpphash.h: See above.
11531 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11533 * cppmain.c (struct printer): Remove no_line_dirs.
11534 (options, cb): New.
11535 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
11536 : Use options rather than CPP_OPTION.
11537 (setup_callbacks): Use cb rather than pfile->cb.
11538 (main): No need to check for a buffer. Use cpp_errors.
11539 (printer_init): Don't set no_line_dirs.
11540 (maybe_print_line): Use options not no_line_dirs.
11541 (cb_file_change): Don't call print_line if -P.
11543 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11545 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
11547 * c-parse.in (finish_parse): Use cpp_errors.
11548 (__yylex): Use return value of cpp_pop_buffer.
11549 * cp/lex.c (finish_parse): Use cpp_errors.
11550 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
11552 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
11554 * README.AVR: URLs corrected.
11556 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11558 * c-decl.c (start_function): Don't warn if old prototype is builtin
11559 that's not in C's namespace.
11560 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
11561 (_bb): Add prototype for ctime.
11562 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
11564 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
11566 * i386.c (ix86_fp_comparison_arithmetics_cost,
11567 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
11568 ix86_fp_comparison_cost): New functions.
11569 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
11570 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
11571 two-branch sequences; make static.
11572 (ix86_use_fcomi_compare): Do decision according to the costs.
11573 (split_fp_branch): New.
11574 * i386.md (compare-and-branch patterns): Use split_fp_branch.
11575 * i386-protos.h (ix86_expand_fp_compare): Remove
11576 (ix86_split_fp_branch): Declare.
11578 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
11579 and ix86_comparison_operator.
11581 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
11582 to make it cheaper.
11584 * i386.c (put_condition_code): Output properly the unordered/ordered
11585 compares in fp case.
11586 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
11588 * tm.texi (REVERSE_CONDITION): Document.
11589 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
11590 in -ffast-math mode.
11591 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
11593 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11595 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
11597 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
11600 * config/sh/sh.c (mova_p): Fix test for mova_const.
11602 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11604 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
11605 cpp_get_options rather than dereferencing pfile and using
11607 * scan-decls.c (scan_decls): Use return value of
11608 cpp_pop_buffer rather than CPP_BUFFER.
11610 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11612 * cppinit.c (cpp_handle_option): help_only is now part of the
11613 cpp_options structure.
11614 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
11615 cpp_set_callbacks): New functions.
11616 * cpplib.h (cpp_callbacks): Break out as a named structure.
11617 (cpp_options): Move help_only here from cpp_reader.
11618 (CPP_FATAL_ERRORS): Update to use cpp_errors.
11619 (cpp_errors, cpp_get_options, cpp_get_callbacks,
11620 cpp_set_callbacks): New prototypes.
11621 * cppmain.c (main): Update for help_only.
11623 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11625 * Makefile.in (info, maintainer-clean, install-info, uninstall):
11626 Also build and remove and install and uninstall c-tree.info and
11628 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
11629 ($(srcdir)/cppinternals.info): New target.
11630 * c-tree.texi: Change file name used when makeinfo used without -o
11631 from ir.info to c-tree.info. Add info directory entry.
11632 * cppinternals.texi: Add info directory entry.
11633 * .cvsignore: Update.
11635 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11637 * c-typeck.c (store_init_value): Don't require constant initializer
11638 elements with -pedantic -std=c99.
11639 (digest_init): Change error about non-constant initializer elements
11641 (constructor_range_end): Remove.
11642 (constructor_incremental, designator_depth,
11643 designator_errorneous): New variables.
11644 (struct constructor_stack): Remove range_end, add incremental.
11645 (struct constructor_range_stack, constructor_range_stack): New.
11646 (struct initializer_stack): Add constructor_range_stack.
11647 (finish_init): Set it.
11648 (start_init): Likewise. require_constant_elements for non-static
11649 trees only if not flag_isoc99.
11650 (really_start_incremental_init): Remove constructor_range_end, add
11651 constructor_incremental.
11652 (pop_init_level): Likewise.
11653 (push_init_level): Likewise. If implicit and the subobject had some
11654 value set already, preinitialize the level with it.
11655 Warn about missing braces only if not pushing due to designators.
11656 (set_designator, push_range_stack): New functions.
11657 (set_init_label): Use them.
11658 (set_init_index): Likewise. Remove constructor_range_end.
11659 Error if designator index is outside of array bounds.
11660 (add_pending_init): Compare values of purpose index trees, not the
11661 trees themselves. Allow overwriting of already initialized element.
11662 Issue a warning if it had side-effects.
11663 (set_nonincremental_init, set_nonincremental_init_from_string): New
11665 (pending_init_member): Rename to...
11666 (find_init_member): ...this function. Call set_nonincremental_init
11667 if necessary. Compare values of purpose index trees, not the trees
11668 themselves. Return the actual value, not just non-zero if something
11670 (output_init_element): Remove checks for duplicates.
11671 If field has zero size, only check the initializer for correctness.
11672 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
11673 if constructor_incremental is zero. Change error about initializers
11674 not computable at load time into pedwarn.
11675 (output_pending_init_elements): Compare bit positions, not
11676 FIELD_DECLs to take into account zero-sized fields.
11677 (process_init_element): Use constructor_range_stack to fill all
11678 ranges in the designator lists from current level up.
11679 * extend.texi: Update documentation for labeled elements.
11681 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
11683 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
11684 to function usage for arguments passed by reference. Optimize
11685 callee-copied arguments.
11686 * regmove.c (replace_in_call_usage): New function.
11687 (fixup_match_1): Call it.
11688 * cse.c (cse_insn): Canonicalize registers in function usage.
11689 * reload1.c (replace_pseudos_in_call_usage): New function.
11692 * Makefile.in: Reverted yesterday's wrong patch. Installed the
11695 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11697 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
11700 2001-01-12 DJ Delorie <dj@redhat.com>
11702 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
11703 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
11706 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11708 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
11709 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
11710 -std options alongside references to -ansi. Update some
11711 documentation for C99.
11712 * cpp.1: Regenerate.
11714 2001-01-12 Andreas Jaeger <aj@suse.de>
11716 * haifa-sched.c (restore_line_notes): Remove argument block B
11718 * sched-ebb.c (schedule_ebb): Change caller.
11719 * sched-rgn.c (schedule_region): Likewise.
11720 * sched-int.h (restore_line_notes): Adjust prototype.
11722 * loop.h: Remove wrong declaration of doloop_condition_get.
11724 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11726 * extend.texi: Move C++-extension-related node from the C section
11727 into the C++ section.
11729 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11731 * extend.texi: Refer to an array of pointers to functions instead
11732 of one of functions.
11734 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
11735 Jan Hubicka <jh@suse.cz>
11737 * combine.c (reversed_comparison): Fix typo in last patch.
11739 (combine_reversed_comparison_code): Make static to follow
11740 prototype declaration.
11742 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11744 * install.texi: Remove misplaced duplicate entry.
11746 2001-01-11 Ulrich Drepper <drepper@redhat.com>
11748 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
11750 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
11752 * final.c: (leaf_function_p): Fix typo.
11754 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
11756 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
11757 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
11759 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
11760 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
11761 mmap_anon, and valloc is available.
11762 * ggc-page.c: Restructure ifdef logic to match new autoconf
11763 spec. Don't throw away the test page in init_ggc.
11765 * configure, config.in: Regenerate.
11767 2001-01-12 Michael Hayes <mhayes@redhat.com>
11769 * loop.h (total_biv_increment): Constify iv_class pointer.
11770 (struct induction): Replace `mem_mode' with `mem' rtx.
11771 * unroll.c (total_biv_increment): Constify iv_class pointer.
11772 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
11773 (find_mem_givs, combine_givs_p): Likewise.
11774 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
11776 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
11778 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
11780 (__gthread_getspecific): Ditto.
11782 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
11784 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
11785 put_condition_code): Convert fp comparison codes to integer
11787 (ix86_expand_fp_compare): Postnote the fp comparison code converison
11790 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
11791 * i386-protos.h (no_comparison_operator): Kill.
11793 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
11795 * combine.c (REVERSIBLE_CC_MODE): Remove.
11796 (reversible_comparison_p): Remove.
11797 (combine_reversed_comparison_code): New.
11798 (reversed_comparison): New.
11799 (combine_simplify_rtx): Use
11800 combine_reversed_comparison_code/reversed_comparison instead
11801 of reversible_comparison_p.
11802 (simplify_if_then_else): Likewise.
11803 (simplify_set): Likewise.
11804 (simplify_logical): Likewise.
11805 (if_then_else_cond): Likewise.
11806 (known_cond): Likewise.
11807 (simplify_comparison): Likewise.
11809 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
11811 * builtins.c (std_expand_builtin_va_start): Handle varargs when
11812 sizeof (int) is larger than sizeof(__word__).
11814 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11816 * cppinit.c (do_includes): Fix typo.
11818 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11820 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
11821 in S_REGS does not occur because not all sources are possible
11822 when a S_REGS is a destination (sometimes needs a clobber).
11823 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
11824 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
11825 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
11826 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
11827 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
11828 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
11829 (lshrdi_const1, lshrsi3_const16): Likewise.
11830 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
11831 (*movhi_68hc12, *movqi_68hc12): Likewise.
11832 (movstrictqi): Make sure reloading in D_REGS as a destination
11835 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11837 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11839 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11841 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
11842 -D, -U and -A, and don't initialize the builtins.
11843 (do_includes): Error if -include or -imacros with -fpreprocessed.
11844 * cppmain.c (cb_define, cb_undef): Unconditionally process
11846 * tradcpp.c (main): Fix typo.
11848 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
11850 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
11851 (read_name_map): Use IS_ABSOLUTE_PATH.
11852 * tradcpp.c (get_filename): Likewise.
11854 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11856 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
11857 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
11858 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
11859 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
11860 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
11861 (cmphi_z_used): Don't use '@' for the output.
11862 (tstqi_z_used): Likewise.
11863 (cmpqi_z_used): Likewise.
11864 (one_cmplsi2): Likewise.
11866 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11868 * config/sh/sh.c (barrier_align): Recognize branch around far
11869 branch and redundant insn.
11871 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11873 * invoke.texi: Restore documentation of the drivers' switches -MD
11876 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11878 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
11880 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
11881 check-objc//%): Support parallel testing of multilibs.
11882 (TESTSUITEDIR): Set to testsuite by default, but override for
11884 (check-gcc, check-g++, check-g77, check-objc): Enter
11887 2001-01-11 Bernd Schmidt <bernds@redhat.com>
11889 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
11890 * sched-deps.c (deps_may_trap_p): Likewise.
11891 * basic-block.h: Remove a comment.
11892 * flow.c (PROP_POSTRELOAD): Remove.
11893 (update_life_info): Don't add it to prop_flags.
11894 (mark_set_1): Lose the code that was enabled by it.
11896 2001-01-11 Michael Hayes <mhayes@redhat.com>
11898 * flow.c (flow_call_edges_add): New.
11899 * basic_block.h (flow_call_edges_add): New.
11901 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
11903 * reload1.c (move2add_note_store): Update reg_set_luid even if
11904 base reg remains the same.
11906 2001-01-10 Nick Clifton <nickc@redhat.com>
11908 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
11909 machine_function structure to zero.
11910 Add prototypes for machine_status functions.
11912 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11914 * c-common.h (CTI_VOID_LIST): Remove.
11915 (void_list_node): Likewise.
11916 * tree.h (TI_VOID_LIST_NODE): New enumeral.
11917 (void_list_node): New macro.
11918 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
11919 * config/i386/i386.c (ix86_init_builtins): Likewise.
11920 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
11922 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11924 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
11925 * cppinit.c (cpp_start_read): Update comment, remove unneeded
11927 * tradcpp.c: Include mkdeps.h.
11928 (deps, print_deps_phony_targets, deps_append, output_deps,
11929 init_dependency_output, output_deps): New.
11930 (deps_buffer, deps_allocated_size, deps_size, deps_column,
11931 deps_output): Delete.
11932 (print_deps_missing_files): Rename deps_missing_files.
11933 (inhibit_output): Make global.
11934 (main): Delete inhibit_output, deps_stream, deps_target.
11935 Use mkdeps functionality in the same way as cpplib. Remove
11936 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
11937 -M and -MM. Remove old handling of deps via deps_out, and
11938 old reading of environment variables.
11939 (get_filename): Update to use deps_add_dep.
11941 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11943 * output.h (make_function_rtl): Remove prototype.
11944 (make_decl_rtl): Likewise.
11945 * varasm.c (make_function_rtl): Remove.
11946 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
11947 than from a third parameter.
11948 * tree.h (make_decl_rtl): Remove last parameter.
11949 * c-decl.c (builtin_function): Remove last argument in call to
11950 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
11951 (start_function): Likewise.
11952 * except.c (call_get_eh_context): Likewise.
11953 * expr.c (emit_block_move): Likewise.
11954 (clear_storage): Likewise.
11955 * profile.c (output_func_start_profiler): Likewise.
11956 * toplev.c (rest_of_decl_compilation): Likewise.
11957 * objc/objc-act.c (create_builtin_decl): Likewise.
11958 (synth_module_prologue): Likewise.
11959 (generate_static_reference): Likewise.
11960 (build_selector_reference_decl): Likewise.
11961 (build_class_reference_decl): Likewise.
11962 (build_objc_string_decl): Likewise.
11963 (build_protocol_reference): Likewise.
11965 2001-01-10 Richard Henderson <rth@redhat.com>
11967 * hwint.h: Revert yesterday's change.
11969 2001-01-10 Nick Clifton <nickc@redhat.com>
11971 * function.h (save_machine_status): Delete.
11972 (restore_machine_status): Delete.
11973 Amend comment describing {init|mark|free}_machine_status.
11975 * function.c (save_machine_status): Delete.
11976 (restore_machine_status): Delete.
11977 Amend comment describing {init|mark|free}_machine_status.
11978 (push_function_context_to): Remove invocation of
11979 save_machine_status.
11980 (pop_function_context_from): Remove invocation of
11981 restore_machine_status.
11983 * emit-rtl.c (init_emit_once): Amend comment describing
11984 {init|mark|free}_machine_status.
11986 * tm.texi (Per-Function Data): New node. Describe the
11987 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
11990 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11992 * cppinit.c (OPT_g): Remove.
11993 (cpp_handle_option): Update for removed -g3.
11994 (print_help): Update.
11995 * cpplib.h (struct cpp_options): Remove debug_output.
11996 * cppmain.c (setup_callbacks, cb_define): Update.
11997 * gcc.c (cpp_options): Translate -g3 to -dD.
11999 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
12001 * config/i960/i960.md: Change modifier to + on the zero_extract
12002 pattern after the (rotate -2 reg) canonicalization pattern.
12004 2001-01-10 Richard Henderson <rth@redhat.com>
12006 * config/alpha/alpha.c (alpha_free_machine_status): New.
12007 (override_options): Install it.
12008 (alpha_mark_machine_status): Verify machine non-null.
12009 * config/i386/i386.c (ix86_free_machine_status): New.
12010 (override_options): Install it.
12011 (ix86_init_machine_status): Use xcalloc.
12012 (ix86_mark_machine_status): Verify machine non-null.
12013 * config/ia64/ia64.c (ia64_free_machine_status): New.
12014 (ia64_override_options): Install it.
12015 (ia64_mark_machine_status): Verify machine non-null.
12017 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
12019 * function.c (instantiate_virtual_regs): Instantiate virtual
12020 registers found in CALL_INSN_FUNCTION_USAGE.
12022 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12024 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
12025 equivalent to -ansi in disabling -Di386.
12027 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
12029 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
12031 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
12033 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
12035 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
12037 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12039 * invoke.texi: Document that -fcond-mismatch isn't supported for
12042 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12044 * gcc.texi: Define macro gcctabopt.
12045 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
12046 @command, @env and @option in some places where appropriate. Use
12047 @gcctabopt where appropriate. Put URLs and email addresses inside
12050 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
12052 * gcc.c (cpp_options): Set MD file name from output
12053 filename, if specified.
12054 (suffix_subst): New static variable.
12055 (do_spec): Clear it.
12056 (do_spec_1, case '.'): Handle new `%.suffix' spec.
12058 (give_switch): Handle suffix_subst.
12060 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12062 * invoke.texi: Fix another typo.
12064 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12066 * invoke.texi: Fix typo.
12068 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12070 * c-lang.c (lang_hooks): Update.
12071 (lang_decode_option): Remove.
12072 (lang_init_options): Rename c_init_options.
12073 * toplev.c (main): Use lang_hooks for lang_init_options
12074 and lang_decode_option.
12075 * toplev.h (lang_hooks): Add 2 new hooks.
12076 * tree.h: Remove lang_init_options and lang_decode_option.
12077 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
12078 * cp/decl2.c: Similarly.
12079 * cp/lex.c (lang_init_options): Rename cxx_init_options.
12080 (lang_hooks): Update.
12081 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
12083 (lang_init_options): Rename ffe_init_options.
12084 (lang_hooks): Update.
12085 (lang_decode_option): Remove.
12086 * java/lang.c (lang_init_options): Rename java_init_options.
12087 (lang_decode_option): Rename java_decode_option.
12088 (lang_hooks): Update.
12089 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
12090 (lang_decode_option): Rename objc_decode_option.
12091 (lang_hooks): Update.
12093 2001-01-09 Nick Clifton <nickc@redhat.com>
12095 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
12096 (d30v_return_addr_rtx): Delete.
12097 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
12098 cfun->machine structure.
12099 (struct machine_function): Move to d30v.h
12100 (d30v_save_machine_status): Delete.
12101 (d30v_restore_machine_status): Delete.
12102 (d30v_init_machine_status): New Function.
12103 (d30v_mark_machine_status): New Function.
12104 (d30v_free_machine_status): New Function.
12105 (d30v_init_expanders): Use new functions.
12106 (d30v_return_addr): Use ra_rtx field in cfun->machine.
12107 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
12108 d30v_return_addr_rtx.
12110 * config/d30v/d30v.h (struct_machine): Move here.
12111 Add eh_epilogue_sp_ofs field.
12113 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
12114 field in cfun->machine structure.
12116 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
12118 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
12119 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
12120 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12122 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
12124 * objc/lang-options.h: Remove bogus reference to
12127 2001-01-09 Kazu Hirata <kazu@hxi.com>
12129 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
12132 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
12134 * reload.c (find_reloads_address): Check for eliminable registers
12135 when substituting a constant expression for a pseudo.
12137 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
12139 * c-common.c (enum format_type): Add format_type_error.
12140 (decode_format_type): New function.
12141 (decl_attributes): Use it.
12142 (format_kind_info): Adjust comment.
12144 2001-01-09 David O'Brien <obrien@BSDi.com>
12146 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
12147 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
12149 * config/i386/gnu.h: Don't include required platform specific .h files,
12150 tm.h will do it instead.
12151 * config/i386/i386elf.h: Likewise.
12152 * config/i386/linux.h: Likewise.
12153 * config/i386/moss.h: Likewise.
12154 * config/mips/gnu.h: Likewise.
12156 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12158 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
12159 (rs6000-ibm-aix3.[01]*): Likewise.
12160 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
12161 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
12162 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
12163 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
12164 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
12165 (powerpc-*-eabiaix*): Likewise.
12166 (powerpc-*-eabisim*): Likewise.
12167 (powerpc-*-elf*): Likewise.
12168 (powerpc-*-eabi*): Likewise.
12169 (powerpc-*-rtems*): Likewise.
12170 (powerpc-*-linux*libc1): Likewise.
12171 (powerpc-*-linux*): Likewise.
12172 (powerpc-wrs-vxworks*): Likewise.
12173 (powerpcle-wrs-vxworks*): Likewise.
12174 (powerpcle-*-sysv*): Likewise.
12175 (powerpcle-*-elf*): Likewise.
12176 (powerpcle-*-eabisim*): Likewise.
12177 (powerpcle-*-eabi*): Likewise.
12178 (powerpcle-*-solaris2*): Likewise.
12179 * config/rs6000/aix31.h: Delete includes.
12180 * config/rs6000/aix3newas.h: Likewise.
12181 * config/rs6000/aix41.h: Likewise.
12182 * config/rs6000/aix43.h: Likewise.
12183 * config/rs6000/beos.h: Likewise.
12184 * config/rs6000/rtems.h: Likewise.
12185 * config/rs6000/sysv4.h: Likewise.
12187 2001-01-09 Kazu Hirata <kazu@hxi.com>
12189 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
12190 Change an argument mode of machine_mode to shift_mode of
12191 shift_mode. Remove an extra error check.
12192 (emit_a_shift): Adopt to the new calling prototype of
12194 (function_prologue): Fix code for a monitor
12195 function. Support H8/S.
12196 (function_epilogue): Do not output pop for a monitor function.
12198 2001-01-09 Nick Clifton <nickc@redhat.com>
12200 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
12201 (setup_incoming_varargs): Use sysv_varargs_p field of the
12202 cfun->machine structure.
12203 (struct machine_function): Move to rs6000.h
12204 (rs6000_save_machine_status): Delete.
12205 (rs6000_restore_machine_status): Delete.
12206 (rs6000_init_machine_status): New Function.
12207 (rs6000_free_machine_status): New Function.
12208 (rs6000_init_expanders): Use new functions.
12210 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
12212 (struct machine_function): Move here.
12214 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
12215 sysv_varargs_p field of the cfun->machine structure.
12217 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
12219 (rs6000_restore_machine_status): Remove prototype.
12221 2001-01-09 Richard Henderson <rth@redhat.com>
12223 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
12224 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
12225 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
12226 (sched_analyze_2, sched_analyze_insn): Likewise.
12227 (sched_analyze, init_deps): Likewise.
12228 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
12229 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
12230 (compute_block_backward_dependences): Update propagate_deps call.
12232 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
12234 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
12236 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12238 * cppinit.c (OPT_MD, OPT_MMD): Restore.
12239 (cpp_handle_option): Handle them.
12240 (cpp_post_options): Ensure one of -M or -MM is specified with
12241 any other -M? option.
12242 (init_dependency_output): Suppress output with -MG.
12244 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12246 * cpp.texi: Update.
12247 * invoke.texi: Update.
12249 2001-01-09 Bernd Schmidt <bernds@redhat.com>
12251 * sh.md (reload_outsf): Generate recognizable patterns for
12254 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12256 * c-lang.c (lang_hooks): Update.
12257 (lang_init): Rename c_init.
12258 (lang_finish): Remove.
12259 * toplev.c (compile_file): Use lang_hooks for lang_init ()
12260 and lang_finish ().
12261 * toplev.h (lang_hooks): Add init () and finish ().
12262 * tree.h (lang_init, lang_finish): Remove.
12263 * cp/tree.h (lang_init, lang_finish): Remove.
12264 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
12265 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
12267 (lang_init, lang_finish): Remove.
12268 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
12269 (lang_hooks): Update.
12270 * java/lang.c (lang_init): Rename java_init.
12271 (lang_finish): Remove.
12272 (lang_hooks): Update.
12273 * objc/objc-act.c (lang_init): Rename objc_init.
12274 (lang_finish): Remove.
12275 (lang_hoooks): Update.
12277 20001-01-09 Graham Stott <grahams@redhat.com>
12279 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
12280 after `ptr` is initialised.
12282 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12284 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
12285 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
12286 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
12287 stack adjusts, instead of r3.
12289 2001-01-09 Michael Hayes <mhayes@redhat.com>
12291 * flow.c (flow_loop_scan): Break out of ...
12292 (flow_loops_find) ... here.
12293 * basic-block.h (flow_loop_scan): New.
12294 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
12295 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
12297 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12299 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
12301 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
12302 realloc()ing macro_buffer.
12304 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
12305 if it's wider than long and the target's long is wider than the
12308 2001-01-09 Mark Mitchell <mark@codesourcery.com>
12310 Remove support for using UWIN as a host machine.
12311 * configure.in: Issue an error message.
12312 * configure: Regenerated.
12313 * config.gcc: Remove xm_* UWIN configury.
12314 * config/i386/xm-uwin.h: Remove.
12316 2001-01-08 Nick Clifton <nickc@redhat.com>
12318 * config/v850/v850.c (ra_rtx): Delete.
12319 (v850_save_machine_status): Delete.
12320 (v850_restore_machine_status): Delete.
12321 (v850_init_machine_status): New function.
12322 (v850_mark_machine_status): New function.
12323 (v850_free_machine_status): New function.
12324 (v850_return_addr): Use ra_rtx field in machine structure.
12325 (v850_init_expanders): Use new functions.
12327 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
12328 * config/v850/v850.c: Change arguments to v850_output+* functions
12329 to take a const char *, to avoid compile time warning.
12330 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
12331 (USER_LABEL_PREFIX): Redefine.
12333 2000-01-08 Jim Wilson <wilson@redhat.com>
12335 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
12336 1 to unsigned HOST_WIDE_INT before left shift.
12338 2001-01-08 Nick Clifton <nickc@redhat.com>
12340 * config/arm/arm.c (arm_mark_machine_status): Check to see if
12341 the machine structure has been allocated.
12342 (arm_free_machine_status): New function: Free the machine
12343 specific function structure.
12345 2001-01-08 Richard Henderson <rth@redhat.com>
12347 * jump.c (simplejump_p): Revert last change.
12349 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
12351 * cppinit.c (init): Rename init_library.
12352 (cpp_create_reader): Update.
12353 * gcc.c (cpp_options): If -o given, use it as the target of
12356 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12358 * arm.c (arm_arch5e): New variable.
12359 (all_cores): XScale is a 5TE device.
12360 (arm_override_options): Set arm_arch5e.
12361 (arm_init_builtins): __builtin_prefetch is in arch5e.
12362 * arm.h (arm_arch5e): Declare it.
12364 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
12366 * arm.md (define_constants): Add defines for UNSPEC and
12367 UNSPEC_VOLATILE insns. Update all users.
12368 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
12369 * arm.c (multi_register_push, note_invalid_constants)
12370 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
12371 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
12372 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
12374 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
12376 * jump.c (jump_optimize_1): Use reversed_comparison_code
12377 instead of can_reverse_comparison_p.
12378 (jump_back_p): Likewise.
12379 (invert_exp_1): Likewise.
12380 (thread_jumps): Likewise.
12381 * simplify-rtx.c (simplify_unary_operation): Likewise.
12382 (simplify_ternary_operation): Likewise.
12383 * cse.c (find_comparison_args): Convert to use
12384 can_reverse_comparison_p.
12385 (record_jump_equiv): Likewise.
12387 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12389 * arm.h (HARD_REGNO_RENAME_OK): Delete.
12390 (EPILOGUE_USES): Define.
12391 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
12392 automatically stack the LR if it isn't live.
12394 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
12396 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
12399 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
12401 * ggc-page.c (max_alignment): New structure.
12402 (MAX_ALIGNMENT): New macro.
12403 (init_ggc): Use it to round up the sizes in the
12404 extra_order_size_table.
12406 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12408 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
12411 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12413 * builtins.def (BUILT_IN_FPRINTF): New entry.
12415 * c-common.c (c_expand_builtin_fprintf): New function.
12416 (init_function_format_info): Handle __builtin_fprintf.
12417 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
12418 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
12420 * c-decl.c (duplicate_decls): Adjust comment.
12422 * extend.texi (fprintf): Document new builtin.
12424 2001-01-07 Richard Henderson <rth@redhat.com>
12426 * jump.c (simplejump_p): Recognize any single_set jump
12427 of the proper form.
12429 2001-01-07 Richard Henderson <rth@redhat.com>
12431 * configure.in (slibdir): Accept an --with-slibdir option.
12432 Use "test" not "[" in configure. Default to $(libdir).
12434 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
12436 * config/t-aix43 (SHLIB_INSTALL): Likewise.
12437 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
12438 (SHLIB_LINK): Create links for the soname.
12439 * config/mips/t-iris6: Likewise.
12440 * config/sparc/t-slibgcc: Likewise.
12441 * config/sparc/t-slibgcc-sld: Likewise.
12443 2001-01-07 Jakub Jelinek <jakub@redhat.com>
12445 * config/i386/i386.c (constant_call_address_operand): Accept
12446 (const (plus (symbol_ref) (const_int))).
12447 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
12448 constant_call_address_operand.
12450 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12452 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
12453 and LONG_LONG_TYPE_SIZE > 32.
12455 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12457 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
12458 the previous change.
12460 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
12462 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
12464 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
12465 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
12466 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
12469 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12471 * fix-header.c (read_scan_file): s/pfile/scan_in/.
12473 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12475 * c-lang.c (c_post_options): Call cpp_post_options.
12476 * objc/objc-act.c (objc_post_options): Similarly.
12477 * cppmain.c (main): Similarly.
12478 * fix-header.c (read_scan_file): Similarly.
12479 * cppinit.c (cpp_start_read): Move option consistency checks
12480 to cpp_post_options. Don't call init_dependency_output.
12481 If needed, add default target and main file dependency.
12482 (OPT_MD, OPT_MMD): Remove.
12484 (cpp_handle_option): Update for OPT_* changes.
12485 (cpp_post_options): New.
12486 (init_dependency_output): Command line -MF overrides environment
12487 variables. Don't set default target etc. Suppress output
12488 if dependencies are going to stdout.
12489 (print_help): Update.
12490 * cpplib.h (cpp_post_options): New.
12491 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
12493 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
12495 * jump.c (comparison_dominates_p): Support unordered compares.
12497 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
12499 * simplify-rtx.c (simplify_relational_operation): Always simplify
12500 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
12503 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
12505 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
12506 (nonzero_bits): Likewise.
12507 (simplify_comparison): Likewise.
12508 (num_sign_bit_copies): Likewise; return more sane value depending
12509 on STORE_FLAG_VALUE.
12510 (known_cond): Do not assume EQ to be always true for equivalent
12513 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
12515 * cse.c (fold_rtx): Handle unordered comparisons.
12517 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
12519 * rtlanal.c (set_of_1): New static function.
12520 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
12521 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
12522 reg_set_last_last_regno): Remove.
12523 (set_of): New global function.
12524 (set_of_data): New structure.
12525 (reg_set_p, reg_set_last): Revamp for set_of.
12526 * rtl.h (set_of): New.
12528 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
12530 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
12531 * extend.texi: Document _Exit builtin.
12533 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12535 * (initialize, initialize_builtins,
12536 initialize_dependency_output, initialize_standard_includes):
12537 Rename s/initialize/init. Update.
12538 (init_dependency_output): Move to after
12539 cpp_handle_options, the correct location temporally at least.
12540 (opt_comp): Move next to init (), its caller. Fix prototype.
12541 (init): Make "initialized" local scope.
12542 (cpp_create_reader): Always call init ().
12543 (cpp_start_read): Update.
12544 (output_deps): New function, broken out of cpp_finish.
12545 (cpp_finish): Break out output_deps.
12547 2001-01-07 Richard Henderson <rth@redhat.com>
12549 * collect2.c (COFF specific stuff): Revert 12-06 patch
12550 to prototype system functions.
12552 2001-01-07 Michael Hayes <mhayes@redhat.com>
12554 * hard-reg-set.h: Add multiple include guard.
12555 * basic-block.h (struct loop): Add `sink' field.
12556 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
12557 (emit_iv_add_mult): Delete.
12558 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
12559 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
12560 (unroll_loop): Remove end_insert_before argument.
12561 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
12562 (maybe_eliminate_biv_1): Likewise.
12563 (emit_iv_add_mult): Delete.
12564 (gen_add_mult, loop_regs_update): New.
12565 (loop_insn_emit_after, loop_insn_emit_before): New.
12566 (loop_insn_sink, loop_insn_sink_or_swim): New.
12567 (emit_iv_add_mult): Delete.
12568 (scan_loop): Set loop->sink.
12569 (loop_givs_reduce): Use loop_insn_sink and its ilk.
12570 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
12571 (maybe_eliminate_biv_1): Likewise.
12572 (maybe_eliminate_biv_1): Add basic block argument.
12573 * unroll.c (unroll_loop): Remove end_insert_before argument.
12574 (find_splittable_regs): Likewise.
12575 (find_splittable_regs): Use loop_insn_sink and its ilk.
12576 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
12578 2001-01-07 Michael Hayes <mhayes@redhat.com>
12580 * loop.h (loop_insn_hoist): New prototype.
12581 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
12582 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
12583 (check_dbra_loop, load_mems): Likewise.
12584 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
12585 (find_splittable_givs): Likewise.
12587 2001-01-07 Michael Hayes <mhayes@redhat.com>
12589 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
12591 2001-01-07 Richard Henderson <rth@redhat.com>
12593 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
12595 2001-01-07 Richard Henderson <rth@redhat.com>
12597 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
12598 NO_SHARED_LIBGCC_MULTILIB as required for the target.
12599 * gcc.c (init_spec): Massage the existing libgcc_spec into a
12600 variant that handles a shared libgcc.
12601 (process_command): Always validate -{static,shared}-libgcc.
12602 (do_spec_1): New 'M' case.
12603 * invoke.text (Link Options): Document -{static,shared}-libgcc.
12605 2001-01-07 Richard Henderson <rth@redhat.com>
12607 * Makefile.in (slibdir): New variable.
12608 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
12609 (installdirs): Create slibdir.
12610 (install-libgcc, install-multilib): Defer to libgcc.mk.
12611 * configure.in (slibdir): Substitute.
12612 * mklibgcc.in (install): New target.
12614 * config/t-linux (SHLIB_LINK): Create links for the soname.
12615 (SHLIB_INSTALL): New.
12616 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
12617 * config/mips/t-iris6 (SHLIB_INSTALL): New.
12618 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
12619 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
12620 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
12622 2001-01-07 Richard Henderson <rth@redhat.com>
12624 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
12625 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
12626 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
12628 2001-01-07 Michael Hayes <mhayes@redhat.com>
12630 * loop.c (count_loop_regs_set): Delete.
12631 (load_mems_and_recount_loop_regs_set): Delete.
12632 (loop_regs_scan): Merge common code from count_loop_regs_set,
12633 scan_loop, and load_mems_and_recount_loop_regs_set.
12634 (scan_loop): Call load_mems directly and loop_regs_scan
12635 again if new registers created.
12637 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12639 * toplev.c (main): Call the front-end specific post_options
12640 hook if one is given.
12641 * toplev.h (struct_lang_hooks, lang_hooks): New.
12642 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
12643 for the C front end.
12644 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
12645 lang_hooks for the C++ front end.
12646 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
12647 lang_hooks for the ObjC front end.
12648 * f/com.c (lang_hooks): Hooks for the Fortran front end.
12649 * java/lang.c (lang_hooks): Hooks for the Java front end.
12651 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12653 * c-lex.c (init_c_lex): Request #define / #undef callbacks
12654 for verbose DWARF[2] debugging.
12655 (cb_define, cb_undef): The new callbacks.
12656 * toplev.h (debug_define, debug_undef): Make const correct.
12657 * toplev.c (debug_define, debug_undef): Similarly. Do not
12658 perform the verbosity tests here anymore.
12660 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
12662 * reload.c (subst_reloads): Take INSN argument. When
12663 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
12664 * reload.h (subst_reloads): Adjust prototype.
12665 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
12666 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
12667 present in JUMP_INSNs and copy them to JUMP_LABEL.
12668 * flow.c (find_label_refs, find_basic_blocks_1): Skip
12669 JUMP_INSNs and insns with REG_LABELs that are followed by
12670 JUMP_INSNs with the same REG_LABEL.
12671 * sched-rgn.c (is_cfg_nonregular): Likewise.
12672 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
12674 * unroll.c (unroll_loop): Look for REG_LABEL notes in
12676 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
12678 2001-01-06 Richard Henderson <rth@redhat.com>
12680 * loop.c (scan_loop): Use xcalloc for the regs array.
12681 (load_mems_and_recount_loop_regs_set): Zero the new memory
12682 received from xrealloc.
12684 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
12686 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
12688 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
12690 * integrate.c (copy_rtx_and_substitute): When copying
12691 an ignored return value, strip REG_FUNCTION_VALUE_P.
12693 2001-01-06 Michael Hayes <mhayes@redhat.com>
12695 * loop.c (debug_biv, debug_giv): New.
12696 (loop_biv_dump): Break out from ...
12697 (record_biv): ... here.
12698 (loop_giv_dump): Break out from ...
12699 (record_giv): ... here.
12700 (loop_bivs_check): Use print_simple_rtl.
12701 * unroll.c (loop_iterations): Use print_simple_rtl.
12703 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
12705 * pa.md (return, return_internal): Modify patterns to prevent regrename
12706 mucking with the return pointer.
12708 2001-01-05 Richard Henderson <rth@redhat.com>
12710 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
12712 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
12714 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
12715 version supplied by Matteo Frigo.
12717 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12719 * cpp.texi: Update for -MQ.
12720 * cppinit.c (cpp_create_reader): Always create pfile->deps.
12721 (cpp_cleanup): Always free pfile->deps.
12722 (initialize_dependency_output): Don't create pfile->deps.
12723 (cpp_handle_option): Similarly.
12725 * gcc.c (cpp_options): Handle -MQ.
12726 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12727 * mkdeps.c (base_name): Remove.
12728 (deps_init): Don't allocate vector space until it's needed.
12729 (deps_free): Only free vectors if allocated.
12730 (deps_add_target, deps_add_dep): Update for initial allocation.
12731 (deps_add_default_target): Don't strip to the base_name.
12733 2001-01-05 DJ Delorie <dj@redhat.com>
12735 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
12736 (INIT_EXPANDERS): Define.
12738 * config/v850/v850.c (struct machine_function): Define.
12739 (v850_save_machine_status): New function.
12740 (v850_restore_machine_status): New function.
12741 (v850_return_addr): New function.
12742 (v850_init_expanders): New function.
12744 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
12745 and v850_init_expanders.
12747 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12749 * cpplib.h (struct cpp_reader): Add help_only field.
12750 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
12751 (cpp_handle_option): Set pfile->help_only if we see -h,
12752 --help, -target-help, or --version. Print version string but
12753 do not set help_only if we see -v or -version. Make text
12754 printed by -v match that printed by (-)-version.
12756 * cppmain.c (main): Exit after option parsing if
12757 pfile->help_only is true.
12759 * toplev.c (independent_decode_option): Call print_version,
12760 then exit, if we see --version (but not -version).
12761 (print_version): Split lengthy message into two lines.
12763 2001-01-05 Nick Clifton <nickc@redhat.com>
12765 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
12766 temporary string for initialisation before calling ggc_alloc_string.
12768 2001-01-06 Michael Hayes <mhayes@redhat.com>
12770 * rtl.h (print_simple_rtl): New.
12771 * print-rtl.c (print_simple_rtl): New.
12772 (flag_simple): New.
12773 (print_rtx): Disable printing of flags and modes, etc.,
12774 if `flag_simple` nonzero.
12776 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12778 * function.c (fixup_var_refs): Use push_to_full_sequence where
12781 2001-01-05 Michael Meissner <meissner@redhat.com>
12783 * flags.h (flag_reorder_blocks): Add declaration.
12784 (flag_rename_block): Ditto.
12786 2001-01-05 DJ Delorie <dj@redhat.com>
12788 * function.c (reorder_blocks): Make sure the flags are all reset
12789 before using them to mark blocks, else a second invocation will
12790 corrupt the block chain.
12791 (reorder_blocks_0): New, resets the flags.
12793 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
12795 * cse.c (find_comparison_args): Stop if the argument is known to
12798 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12800 * config/sh/sh.md (movdf): When splitting load into pair of
12801 registers, don't clobber the register used in the address too
12804 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
12806 * varasm.c (mark_constant_pool): Improve initial comments.
12807 (mark_constants): Move marking of constants to mark_constant.
12808 (mark_constant): New function to recursively mark all constants
12809 referred to by a constant.
12811 2001-01-05 Catherine Moore <clm@redhat.com>
12813 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
12815 2001-01-05 Phil Edwards <pme@sources.redhat.com>
12817 * cp/lang-options.h: Bring comment in line with reality.
12818 * f/lang-options.h: Likewise.
12819 * java/lang-options.h: Likewise.
12820 * objc/lang-options.h: Likewise.
12821 * ch/lang-options.h: Likewise.
12822 * f/g77.texi: And update the manual.
12824 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
12825 Denis Chertykov <denisc@overta.ru>
12827 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
12828 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
12829 * config/avr/avr.md (all peepholes that request a scratch register):
12830 Call it, FAIL the peephole if not safe (in interrupt functions).
12832 2001-01-05 Mark Mitchell <mark@codesourcery.com>
12834 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
12836 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
12838 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
12840 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
12841 BUILT_IN_CREAL and BUILT_IN_CIMAG.
12842 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
12843 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
12844 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
12846 * extend.texi: Document these builtins.
12848 2001-01-05 Daniel Berlin <dberlin@redhat.com>
12850 * c-common.c (lang_get_alias_set): Say we know nothing of
12851 VECTOR_TYPE aliasing.
12853 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
12855 2001-01-05 Bruce Korb <bkorb@gnu.org>
12857 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
12858 their x* equivalent versions for atexit-less systems
12859 * fixinc/fixincl.c(main): do not return from main() on atexit-less
12860 systems (or any other system any more).
12862 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
12864 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
12865 output operands. Use arm_hard_register_operand for operand 4.
12866 (stmsi_postinc): Similarly.
12867 (ldmsi): Use arm_hard_register_operand for opernand 2.
12868 (stmsi): Similarly.
12869 * arm.c (arm_hard_register_operand): New function.
12870 * arm-protos.h (arm_hard_register_operand): Prototype it.
12872 * arm.h (HARD_REGNO_RENAME_OK): Define.
12874 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
12876 * simplify-rtx.c (cfc_args): add "unordered" field.
12877 (check_fold_consts): Set unordered field.
12878 (simplify_relational_operation): Simplify the unordered
12881 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
12884 * emit-rtl.c (try_split): Fix code to mark labels.
12885 * jump.c (mark_jump_label): Make global.
12886 * rtl.h (mark_jump_label): Declare.
12888 * predict.c (estimate_probability): Handle unordred comparisons.
12890 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12892 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
12893 * cppinit.c (initialize_dependency_output): Update.
12894 (cpp_finish): Output dummy targets for -MP.
12896 (cpp_handle_option): Handle -MP. Don't quote -MT options.
12897 * cpplib.h (struct cpp_options): Add deps_phony_targets.
12898 * gcc.c (cpp_options): Update to handle -MP.
12899 * mkdeps.c (deps_add_target, deps_add_default_target): Update
12900 to quote only the default target.
12901 (deps_phony_targets): Insert a preceding newline. Rename from
12902 deps_dummy_targets for consistency.
12905 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12907 * calls.c (emit_library_call_value_1): Support
12908 INIT_CUMULATIVE_LIBCALL_ARGS.
12909 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
12911 2001-01-04 Richard Henderson <rth@redhat.com>
12913 * c-decl.c (finish_struct): Detect flexible array members
12914 used in an inappropriate context.
12915 * c-typeck.c (really_start_incremental_init): Special case
12916 constructor_max_index for zero length arrays.
12917 (pop_init_level): Allow initialization of flexible array
12918 members. Deprecate initialization of zero length arrays.
12919 Don't issue missing initializer warning for flexible array
12920 members or zero length arrays.
12921 (process_init_element): Don't dereference null DECL_SIZE.
12922 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
12923 Don't abort for empty constructors. Use size_binop
12924 (output_constructor): Add commentary regarding zero length
12925 array futures. Abort if we try to initialize an array of
12926 unspecified length with a non-empty constructor in the middle
12929 * extend.texi (Zero Length): Update and clarify documentation
12930 on static initialization.
12932 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12934 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
12935 with more than 32767 words of local storage.
12937 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12939 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
12940 for 'abs', 'labs', and 'fabs'.
12941 (c4x_expand_builtin): Likewise.
12942 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
12944 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12946 * config/sh/sh.md (prget, prset): New insn types.
12947 (return delay slot): Dont' allow prset.
12948 (call, sfunc delay slot): Don't allow prget.
12949 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
12950 for prset and prget.
12952 2001-01-05 Michael Hayes <mhayes@redhat.com>
12954 * loop.h (struct loop_reg): New.
12955 (struct loop_regs): Change to use array of `struct loop_reg'.
12956 * loop.c: Replace assortment of varrays with single regs array.
12957 (count_one_set): Delete may_not_move array argument
12958 and use regs array instead. All caller's changed.
12959 (count_loop_regs_set): Delete may_not_move and single_usage
12960 arguments and use regs array instead. All caller's changed.
12961 (find_single_use_in_loop): Replace usage array argument with pointer
12962 to regs structure. All caller's changed.
12963 (loop_optimize): Delete `moved_once' array.
12965 2001-01-05 Michael Hayes <mhayes@redhat.com>
12967 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
12968 Use it instead of loop_info->has_call for scanning loop mems.
12969 (check_dbra_loop): Replace loop_info->has_call test with
12970 loop_info->has_nonconst_call.
12972 2000-01-04 Matthew Hiller <hiller@redhat.com>
12974 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
12977 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12979 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
12980 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
12982 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12984 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
12985 (flag_short_double, flag_short_wchar): Define.
12986 (c_common_nodes_and_builtins): Create many tree nodes shared
12987 between C and C++ here instead of in cp/decl.c and ...
12988 * c-decl.c (init_decl_processing): ... here.
12989 (SIZE_TYPE, WCHAR_TYPE): Don't define.
12990 (flag_short_double, flag_short_wchar): Don't define.
12991 (record_builtin_type): New function.
12992 (build_void_list_node): New function.
12993 * c-common.h (flag_short_double, flag_short_wchar,
12994 record_builtin_type, build_void_list_node): Declare.
12996 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
12998 * integrate.c (expand_inline_function): Don't put a virtual
12999 register into the reg map.
13001 * function.c (fixup_var_refs_1): If force_operand didn't put
13002 the address into the target, move it there.
13004 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13006 Special-case tree_decl/tree_list allocations.
13007 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
13008 (OBJECT_SIZE): New macro.
13009 (NUM_EXTRA_ORDER): Likewise.
13010 (extra_order_size_table): New variable.
13011 (NUM_ORDERS): New macro.
13012 (objects_per_page_table): New variable.
13013 (object_size_table): New variable.
13014 (G.pages): Use NUM_ORDERS to bound the array.
13015 (G.page_tails): Likewise.
13016 (DIV_ROUND_UP): Remove.
13017 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
13018 (alloc_page): Use OBJECT_SIZE.
13019 (size_lookup): Don't make it const.
13020 (ggc_alloc): Use OBJECT_SIZE.
13021 (ggc_set_mark): Likewise.
13022 (ggc_get_size): Likewise.
13023 (init_ggc): Set up the object_size_table, objects_per_page_table,
13024 and adjust size_lookup.
13025 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
13026 (ggc_pop_context): Use NUM_ORDERS.
13027 (clear_marks): Likewise.
13028 (sweep_pages): Likewise.
13029 (poison_pages): Likewise.
13030 (ggc_print_statistics): Use OBJECT_SIZE.
13032 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13034 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
13035 Only call array_size_for_constructor if last field and array type
13036 with no upper bound.
13038 2001-01-04 Philip Blundell <philb@gnu.org>
13040 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
13041 from bit 31 downwards, if this requires no more insns.
13042 (count_insns_for_constant): New helper function for above.
13044 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
13046 * gencodes.c (output_predicate_decls): Remove empty initializer.
13048 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13050 * tree.c (copy_node): Remove documentation about obstacks.
13051 (buidl1): Check that nobody tries to build 2-argument nodes this
13054 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13056 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
13059 * gencodes.c (output_predicate_decls): Fill empty initializer
13062 2001-01-04 Jakub Jelinek <jakub@redhat.com>
13064 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
13065 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
13067 (do_include): Handle missing headers like cpp0.
13068 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
13069 paths with first include pathname. Don't strcat to uninitialized
13072 2001-01-04 Bernd Schmidt <bernds@redhat.com>
13074 * regrename.c (regrename_optimize): Don't rename from frame pointer
13075 if frame_pointer_needed.
13076 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
13077 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
13078 (ia64_reorg): Use it instead of scheduling if ! optimize.
13079 (errata_emit_nops): Properly call asm_noperands.
13080 (ia64_sched_reorder): Finish cycle if we see an asm.
13081 (ia64_variable_issue): Clear scheduling state after asms.
13083 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
13085 * cpp.texi: Update for -MT.
13086 * cppinit.c (initialize_dependency_output): Add a default
13087 target if none has been given already.
13088 (no_tgt, OPT_MT): New.
13089 (cpp_handle_option): Handle -MT. Update -M etc.
13090 * cpplib.h (struct cpp_options): Remove deps_target.
13091 * gcc.c (cpp_options): Handle -MT.
13092 * mkdeps.c (struct deps): Move from mkdeps.h.
13093 (deps_calc_target): Rename deps_add_default_target. Add a
13094 default target if none has been specified already.
13095 * mkdeps.h (struct deps): Move to mkdeps.c.
13096 (deps_calc_target): Rename deps_add_default_target.
13098 2000-01-03 Richard Henderson <rth@redhat.com>
13100 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
13102 * c-typeck.c (push_init_level): Move checks for flexible array
13103 members and zero length arrays ...
13104 (pop_init_level): ... here. Silently discard empty initializations.
13106 * varasm.c (output_constructor): Update for sizeof change to
13107 zero-length arrays.
13109 * extend.texi (Zero Length): Clarify semantics.
13111 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13113 * configure.in (tm.h): Include isns-codes.h last.
13114 * configure: Rebuilt.
13116 2001-01-03 Richard Henderson <rth@redhat.com>
13118 * config/alpha/alpha.md (addvsi3, addvdi3): New.
13119 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
13121 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13123 * tradcpp.c (main): Make sure finclude() is called with a valid
13124 indepth value while handling -include.
13126 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13128 * gencodes.c (output_predicate_decls): New function.
13130 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
13131 even if it is not the first time machmode.h is #included.
13132 * config/sh/sh.c (fpul_operand): Declare MODE argument.
13133 * tm.texi (PREDICATE_CODES): Document predicate declarations.
13134 * gcc.texi (Copyright): Added 2001.
13136 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13138 * c-common.c (c_common_lang_init): New function. Warn if format
13139 warning options which only have effects when used with -Wformat
13140 are used without -Wformat.
13141 * c-common.h (c_common_lang_init): Declare.
13142 * c-lang.c (lang_init): Call c_common_lang_init.
13143 * objc/objc-act.c (lang_init): Call c_common_lang_init.
13145 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13147 * configure.in: Check for the mktemp command.
13148 * configure: Regenerate.
13149 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
13150 $TEMP. Create temporary files with mktemp, if available at
13151 configure time; otherwise use set -C. Remove temporary files
13154 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13156 * configure.in: Require at least texinfo 4.0. Check for whether
13157 Pod::Man is sufficiently recent to regenerate GCC manpages.
13158 * configure: Regenerate.
13159 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
13161 (GENERATED_MANPAGES): Define.
13162 (generated-manpages): New target. Depend on cpp.1 as well as
13164 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
13165 configure to generated-manpages or empty) rather than on the
13166 manpages directly. Remove execute permission from installed
13167 gcov.1 as well as cpp.1.
13168 * cpp.1, gcov.1: Regenerate.
13170 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13172 * builtins.c (expand_builtin_strncmp): Use host_integerp and
13173 tree_low_cst. Allow using cmpstrsi in more cases.
13175 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13177 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
13180 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
13182 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
13183 * Makefile.in (HOST_CFLAGS): Mention build-make.
13185 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13187 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
13190 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13192 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
13195 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
13198 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
13199 reg_base_value and reg_known_value arrays.
13200 (init_alias_analysis): Add more cases to detect known values.
13201 * sched-deps.c (deps_may_trap_p): New function.
13202 (sched_analyze_2): Use it.
13204 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13206 * combine.c (simplify_shift_const): Even if we're sign-extracting,
13207 don't discard an ASHIFTRT if we're shifting in a wider mode.
13209 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
13211 * toplev.c (rest_of_compilation): Don't print basic block information
13212 when CFG isn't up to date.
13214 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
13216 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
13217 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
13218 (UNALIGNED_SHORT_ASM_OP): Define.
13219 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
13221 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13223 * fold-const.c (fold_convert): Fix typo.
13225 2001-01-02 Richard Henderson <rth@redhat.com>
13227 * c-common.h (ASM_INPUT_P): New.
13228 * c-parse.in (asm): Set it when needed.
13229 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
13230 existance of an operand.
13232 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
13234 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
13235 (dwarf2out_frame_debug_expr): Likewise.
13236 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
13238 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
13240 * i386.c (ix86_split_to_parts): Return number of part required;
13242 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
13244 (ix86_split_long_move): Use number of part returned
13245 by ix86_split_to_parts
13246 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
13248 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
13249 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
13250 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
13251 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
13252 (ALIGN_MODE_128): Add TFmode.
13253 (IS_STACK_MODE): Likewise.
13254 (HARD_REGNO_NREGS): TFmode needs 3 registers.
13255 (HARD_REGNO_OK): Support TFmodes.
13256 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
13257 * i386.md (scheduler definitions): Use memory operand to determine
13258 fst/fld instructions; use mode attribute to determine real mode of
13260 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
13261 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
13263 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13265 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
13267 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13269 * expr.c (store_constructor_field): Update ALIGN before calling
13272 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13274 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
13277 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13279 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
13282 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13284 * c-decl.c (start_function): Don't warn on third parameter to main.
13286 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13288 * tsystem.h: Define HAVE_DECL_GETOPT.
13290 2001-01-02 Philip Blundell <pb@futuretv.com>
13292 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
13295 2001-01-02 Richard Henderson <rth@redhat.com>
13297 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
13299 2001-01-02 Andreas Jaeger <aj@suse.de>
13301 * c-decl.c (c_decode_option): Remove support of
13302 -Wmissing-noreturn.
13304 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
13305 (W_options): Add -Wmissing-noreturn here.
13307 * flow.c: Define lang_missing_noreturn_ok_p.
13308 (check_function_return_warnings): Use it.
13310 * c-common.h: Declare lang_missing_noreturn_ok_p.
13312 * c-lang.c (c_missing_noreturn_ok_p): New function.
13313 (lang_init): Set lang_missing_noreturn_ok_p.
13315 * invoke.texi (Warning Options): Document this.
13317 2000-12-27 Phil Edwards <pme@sources.redhat.com>
13319 * extend.texi (C++ Extensions): New node for C++ attributes;
13320 describe init_priority and com_interface.
13321 * invoke.texi: Remove -finit-priority as it now has zero effect.
13322 * install.texi: Fix xref syntax.
13323 * md.texi: Likewise.
13325 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13327 * config.gcc (sparc64-wrs-vxworks*): New case.
13328 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
13330 * config/sparc/sparc.c (sparc_override_options): Do support different
13331 pointer and architecture size.
13332 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
13333 (POINTERS_EXTEND_UNSIGNED): Define.
13334 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
13335 (FUNCTION_MODE): Define to be Pmode.
13336 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
13338 * function.c (expand_function_end): Properly handle DECL_RESULT
13339 and copy when ptr_mode != Pmode.
13340 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
13342 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13344 * c-common.c (c_common_nodes_and_builtins): Set prototype
13345 parameters for __builtin_fputs, __builtin_fputc and
13346 __builtin_fwrite. Don't declare plain fputc as a builtin.
13348 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
13350 * loop.c (add_label_notes): Increment the label usage count when
13351 a note is added to an insn which refers to a CODE_LABEL.
13352 * gcse.c (add_label_notes): Likewise.
13354 2001-01-01 Andreas Jaeger <aj@suse.de>
13356 * loop.c (scan_loop): Use xmalloc to allocate movables.
13358 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
13360 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
13361 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
13362 * reload1.c (REGISTER_MOVE_COST): Likewise.
13363 * regclass.c (REGISTER_MOVE_COST): Likewise.
13364 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
13365 dimension. Adjust all users.
13366 (init_reg_sets_1): Iterate on all modes.
13367 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
13368 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
13369 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
13370 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
13371 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
13372 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
13373 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
13374 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
13375 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
13376 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
13377 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
13378 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
13379 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
13380 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
13381 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
13382 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
13383 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
13384 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
13385 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
13386 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
13387 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
13388 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
13389 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
13390 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
13391 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
13392 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
13393 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
13395 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13397 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
13398 arg VARIES_P. Call it with extra arg.
13399 (true_dependence): Likewise.
13400 * rtl.h (rtx_addr_can_trap_p): Declare.
13401 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
13403 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
13404 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
13405 pic offset table register if it's zero. All callers changed.
13406 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
13408 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13410 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
13411 STRING_POOL_ADDRESS_P.
13413 * config/sparc/sparc.c (input_operand): Properly test for short op.
13415 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
13416 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
13417 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
13418 * config/sparc/elf.h: No longer include sol2.h.
13419 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
13420 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
13422 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
13424 2001-01-01 Michael Hayes <mhayes@redhat.com>
13426 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
13427 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
13428 (record_initial): Likewise.
13429 * unroll.c (copy_loop_body, loop_iterations): Likewise.
13430 (remap_split_bivs): Likewise.
13432 2001-01-01 Michael Hayes <mhayes@redhat.com>
13434 * loop.c (loop_ivs_free): New function.
13435 (strength_reduce): Break out from...
13437 2001-01-01 Michael Hayes <mhayes@redhat.com>
13439 * loop.h (struct iv): New.
13440 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
13441 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
13442 'reg_biv_class' fields with 'regs' and 'n_regs'.
13443 (struct ivs): Rename 'loop_iv_list' field to 'list'.
13444 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
13445 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
13447 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
13449 * resource.c (mark_referenced_resources): Abort() before
13450 attempting to mark a pseudo register.
13451 (mark_set_resources): Likewise.
13453 2001-01-01 Michael Hayes <mhayes@redhat.com>
13455 * loop.h (REG_IV_CLASS): New accessor macro.
13456 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
13457 * unroll.c (REG_IV_CLASS): Likewise.
13459 See ChangeLog.4 for earlier changes.