1 Wed Jun 20 21:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3 * predict.c (estimate_probability): Fix loop bounds.
5 Wed Jun 20 19:10:48 CEST 2001 Jan Hubicka <jh@suse.cz>
7 * toplev.c (rest_of_compilation): Run mark_constant_function
10 Wed Jun 20 19:08:18 CEST 2001 Jan Hubicka <jh@suse.cz>
12 * predict.c (estimate_loops_at_level, propagate_freq
13 estimate_bb_frequencies, count_to_freqs): New functions.
14 (estimate_probability): Call estimate_bb_frequencies.
15 * basic-block.h (basic_block_def): Add field "freq".
16 (BB_FREQ_MAX): New constant.
18 Wed Jun 20 17:02:50 2001 J"orn Rennecke <amylaar@redhat.com>
20 * sh.c (barrier_align): Don't ask for alignment when seeing a
21 branch-around-a-jump from machine_dependent_reorg.
23 Wed Jun 20 08:35:02 2001 Jeffrey A Law (law@cygnus.com)
25 * ssa.c (rename_block): Update parameter to remove_phi_alternative
26 (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
27 re-running life analysis.
29 2001-06-20 Stan Shebs <shebs@apple.com>
31 * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
32 also use memset to clear the hash tables.
33 (hash_enter): Assume xmalloc always succeeds.
34 (hash_add_attr): Ditto.
35 (continue_class): Ditto.
37 2001-06-20 Michael Meissner <meissner@redhat.com>
39 * builtins.c (predict.h): Include.
40 (expand_builtin_expect): Update comment.
41 (expand_builtin_expect_jump): New function to expand
42 __builtin_expect inside of a conditional jump expansion.
44 * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
45 __builtin_expect (<test>, 1).
47 * Makefile.in (builtins.o): Depend on $(PREDICT_H).
49 * rtl.h (expand_builtin_expect_jump): Add prototype.
51 2001-06-19 Geoffrey Keating <geoffk@redhat.com>
53 * doc/rtl.texi (Machine Modes): Correct description of
54 floating-point modes on machines with non-8-bit bytes.
56 2001-06-19 Bernd Schmidt <bernds@redhat.com>
58 * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
59 carries a REG_EQUIV note. If it carries REG_EQUAL, delete the
62 Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com)
64 * ssa.c (remove_phi_alternative): Remove declaration. No longer
65 static. Second argument is a pointer to a basic block structure,
66 not a basic block index.
67 (convert_to_ssa): Do not remove dead code.
68 (convert_from_ssa): Do not remove dead code to create death notes.
69 * ssa.h (remove_phi_alternative): Declare.
71 * flow.c (delete_unreachable_blocks): Fix patch error in
72 previous change (call to find_unreachable_blocks was lost).
74 * ssa.c (ssa_uses): Remove definition.
75 (apply_delayed_renames): Don't grow ssa_uses.
76 (rename_block): Remove comment related to ssa_uses.
77 (rename_registers): Do not initialize ssa_uses.
78 (convert_from_ssa): Do not free ssa_uses.
80 * ssa-dce.c: Renamed from dce.c.
81 * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
82 (dependencies): Replace dce.c with ssa-dce.c and dce.o with
85 2001-06-19 Eric Christopher <echristo@redhat.com>
87 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
88 and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use
89 GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
91 Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com>
93 * sh.c (output_branch): Delete bogus code.
95 * sh.c (initial_elimination_offset):
96 Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
98 Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com)
100 * flow.c (find_unreachable_blocks): New function.
101 (delete_unreachable_blocks): Use find_unreachable_blocks.
102 * basic-block.h (find_unreachable_blocks): Declare.
104 * dce.c (eliminate_dead_code): Fix formatting glitch.
106 2001-06-18 Jason Merrill <jason_merrill@redhat.com>
108 * c-common.h (RETURN_NULLIFIED_P): New macro.
109 * c-semantics.c (genrtl_return_stmt): Check it.
111 * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
112 (emit_block_move): Likewise.
114 Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz>
116 * unroll.c: Include predict.h.
117 (unroll_loop): Drop prediction notes on preconditioning.
118 * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
119 New; add comments on the others.
120 * Makefile.in: (unroll.o): Add dependancy on predict.h.
121 * loop.c (strength_reduce): Fix branch prediction.
123 Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz>
125 * stmt.c (emit_case_nodes): Optimize test whether index is in given
128 Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz>
130 * predict.c (estimate_probability): Do not bail out early
131 when note is present.
132 (combine_predictions_for_insn): Fix note removal code.
134 2001-06-18 Ben Elliston <bje@redhat.com>
136 * except.c (resolve_fixup_regions): Initialise "cleanup".
138 2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk>
140 * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
142 Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
144 * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
145 use put_var_into_stack.
147 2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
149 * gccspec.c (lang_specific_driver): If compiling ObjC, add
150 -shared-libgcc when necessary.
151 * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
153 2001-06-16 Daniel Berlin <dan@cgsoftware.com>
155 * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
156 bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
157 bitmap_last_set_bit. All for compatibility with sbitmap's.
159 *bitmap.c (bitmap_zero): New function.
160 (bitmap_union_of_diffs): New function.
161 (bitmap_first_set_bit): New function.
162 (bitmap_last_set_bit): New function.
164 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
166 * cpp.texi, invoke.texi: Update.
167 * cpp.1, gcc.1: Regenerate.
169 Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz>
171 * i386.md (minsf): Fix splitter. (PR fortran/3191)
173 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
175 * doc/cpp.texi: Update.
176 * doc/cpp.1: Regenerate.
178 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
180 * doc/install.texi: Use correct markup hints.
182 Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
184 * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
186 * explow.c (expr_size): If DECL and size specified, use it.
188 2001-06-15 Zack Weinberg <zackw@stanford.edu>
190 * doc/cpp.texi: Formatting corrections.
191 Correct buggy example of use of __GNUC__ etc.
192 Clarify $ in identifiers.
193 * doc/cpp.1: Regenerate.
195 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz>
197 * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
199 2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
201 * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
203 (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
204 Added Tru64 UNIX V5.1 bootstrap hints.
205 (Specific, alpha*-*-osf*): Removed old section, obsolete.
207 2001-06-15 Andreas Jaeger <aj@suse.de>
209 * doc/install.texi (Specific): Mention that glibc cannot be
210 compiled with GCC 3.0.
212 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
214 * combine.c (nonzero_bits): Don't optimize away division by
217 2001-06-15 Zack Weinberg <zackw@stanford.edu>
219 * doc/cpp.texi: Revised and brought up to date.
220 * doc/cpp.1: Regenerate.
222 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
224 * doc/install.texi: Update --enable-threads to match reality.
226 2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
228 * doc/install.texi: Update for C4x.
229 * README.C4X: Remove.
231 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
233 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
234 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
235 doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
236 Consistently use "built-in" and "bit-field". Minor logical markup
238 * doc/gcc.1: Regenerate.
240 2001-06-14 Richard Henderson <rth@redhat.com>
242 * config/mips/mips.md (exception_receiver): New.
244 2001-06-14 Daniel J. Berlin <dan@cgsoftware.com>
246 * doc/gcc.texi: Update passes documentation to be more in tune
249 Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz>
251 * i386.c (ix86_expand_prologue): Fix merging conflict.
253 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
255 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
256 doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
257 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
258 logical markup. Use TeX quotes and dashes. Use @dots{} and
259 @minus{}. Avoid spaces inside @var. Update last modification
261 * doc/gcc.1, doc/gcov.1: Regenerate.
263 Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz>
265 * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
266 x86_epilogue_using_move): New global variables.
267 (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
268 (ix86_emit_save_regs_using_mov): New static function.
269 (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
270 * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
271 MASK_MIX_SSE_I387): Renumber.
272 (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
273 (x86_accumulate_outgoing_args, x86_prologue_using_move,
274 x86_epilogue_using_move): Declare.
275 (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
277 2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca>
279 * inclhack.def (hpux10_cpp_pow_inline): New hack.
281 2001-06-13 Richard Henderson <rth@redhat.com>
283 * ifcvt.c (dead_or_predicable): Fix return value last patch.
285 2001-06-13 Mark Mitchell <mark@codesourcery.com>
289 2001-06-13 Richard Henderson <rth@redhat.com>
291 * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
292 (cond_exec_process_if_block, dead_or_predicable): Likewise.
294 2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
296 * mips-tfile.c (copy_object): Always pass indexNil for symbol
299 2001-06-13 Kazu Hirata <kazu@hxi.com>
301 * config/h8300/h8300.h (OK_FOR_T): Remove.
302 (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
303 * config/h8300/h8300.md: Remove alternatives involving inc and dec
304 in the helper patterns for addhi3 and addsi3.
306 2001-06-13 Phil Edwards <pme@sources.redhat.com>
308 * doc/contrib.texi: Link to libstdc++'s thanks.html for now.
310 2001-06-13 Zack Weinberg <zackw@stanford.edu>
312 * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
313 * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
315 * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
316 config/alpha/t-osf4, config/mips/t-iris6: Extract all
317 references to @shlib_map_file@, @shlib_objs@, or
318 @shlib_base_name@ to Makefile variables.
319 Bump soname version of libgcc to 1.
321 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
323 * doc/install.texi: Use more logical markup. Include @node
324 commands in the source when generating any non-HTML.
326 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
328 * README: Remove. Some of the contents moved to ../README.
330 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
332 * doc/install.texi (--enable-shared): List package names
335 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
337 * doc/install.texi (ix86-*-solaris*): Removed, outdated.
338 (*-*-solaris*): Document problem in /bin/sh that affects
339 configuring libraries.
340 (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
341 (*-sun-solaris2.8): Document linker problem that explains why
342 libjava is disabled by default.
344 2001-06-09 Mark Mitchell <mark@codesourcery.com>
347 * toplev.c (rest_of_compilation): Remove dead code before
350 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
353 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
354 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
355 * configure: Rebuilt.
357 2001-06-12 Jim Wilson <wilson@redhat.com>
359 * loop.c (strength_reduce): Move bl->all_reduced set before
360 check_ext_dependant_givs call.
361 (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
363 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
365 * doc/extend.texi (Function Attributes): Document SH's sp_switch
368 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
370 * doc/invoke.texi: Use more logical markup. Use TeX quotes,
373 2001-06-12 Richard Henderson <rth@redhat.com>
375 * config/i386/i386.c (ix86_expand_prologue): Always use
376 gen_pro_epilogue_adjust_stack; update arguments.
377 (ix86_expand_epilogue): Likewise.
378 (ix86_emit_epilogue_esp_adjustment): Remove.
379 (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
380 * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
381 clobber of scratch memory instead of a modification of EBP as the
382 barrier. Update all peepholes to match.
384 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
386 * doc/gcc.texi: Change the font used for @def... commands to a
388 * doc/extend.texi: Use more logical markup. Use "built-in"
389 instead of "builtin". Use @deftypefn to mark up built-in
390 functions; specify their types in the @deftypefn and not in the
391 descriptive text. Use TeX quotes and dashes. Add more index
394 2001-06-12 lars brinkhoff <lars@nocrew.org>
396 * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
397 (DIR_SEPARATOR_2): Likewise.
399 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
401 * doc/install.texi (--exec-prefix, --bindir, --libdir,
402 --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
404 (--enable-cpp): Change to document --disable-cpp instead; update
405 to reflect current default.
406 (--without-fast-fixincludes): Remove documentation.
407 (Final install): Document installation directories in more
408 detail. Document use of make dvi.
410 Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz>
412 * recog.c (validate_replace_rtx_1): Fix previous patch.
414 Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz>
416 * recog.c (validate_replace_rtx_1): Do plus_constant call always.
418 Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz>
420 * simplify-rtx.c (simplify_subreg): Allow volatile memory
421 to be subregged in case we don't have move instruction.
423 Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
425 * loop.c: Include predict.h
426 (strength_reduce): Drop branch prediction note in case
427 number of iterations is known.
428 * predict.def (PRED_LOOP_ITERATIONS): new.
429 * Makefile.in (loop.o): Add dependancy on predict.h
431 2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
433 * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
435 * c-typeck.c (c_start_case): Likewise.
437 2001-06-12 Mark Mitchell <mark@codesourcery.com>
439 * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
440 in a structure at a variable address.
442 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
444 * doc/gcov.texi: Use more logical markup.
446 2001-06-11 Mark Mitchell <mark@codesourcery.com>
448 * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
449 REG_NOTE_KIND, not PUT_MODE and GET_MODE.
450 (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
453 2001-06-11 Stan Shebs <shebs@apple.com>
455 * darwin.h (ASM_FILE_END): Remove decl of language_string.
457 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
459 * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
460 as an early clobber to make sure it is not used by reload in
463 2001-06-11 Mark Mitchell <mark@codesourcery.com>
465 * doc/c-tree.texi: Update information about flag_honor_std.
466 * doc/install.texi: Note that binutils is required on HPUX 11.
467 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
470 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
471 variable-sized types.
473 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
475 * doc/md.texi: Use TeX dashes and quotes.
477 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
479 * doc/rtl.texi: Reference manual chapter about trees.
481 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
483 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
484 (WINT_TYPE): Override.
485 (WINT_TYPE_SIZE): Likewise.
486 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
488 * config/sparc/sol2.h (WINT_TYPE): Define.
489 (WINT_TYPE_SIZE): Likewise.
491 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
492 (WINT_TYPE): Override.
493 (WINT_TYPE_SIZE): Likewise.
494 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
495 (CPP_ARCH64_SPEC): Likewise.
497 2001-06-11 Richard Henderson <rth@redhat.com>
499 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
500 with alias attribute.
502 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
503 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
505 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
507 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
509 2001-06-11 Stan Shebs <shebs@apple.com>
511 * darwin.c (darwin_encode_section_info): Rewrite to simplify
512 and fix coding mistakes.
514 2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>
516 * config/m32r/m32r.md (movstrsi_internal): Do not expect a
517 return string from m32r_output_block_move.
518 * config/m32r/m32r-protos.h: Make m32r_output_block_move a
520 * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
522 (ROUND_ADVANCE): Remove signed/unsigned conflict.
523 * config/m32r/m32r.c: Declare prototypes for static functions.
524 (move_src_operand): Replace INT32_P with UINT32_P.
525 (function_arg_partial_nregs): Fixed signed/unsigned conflict
526 in initialisation of 'size'.
527 (m32r_sched_reord): Remove redundant declarations of 'code'.
528 (m32r_output_block_move): Change to a void function.
529 (m32r_encode_section_info): Cast return of
530 TREE_STRING_POINTER to avoid compile time warning.
532 2001-06-11 Richard Henderson <rth@redhat.com>
534 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
535 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
536 (struct machine_function): Add gp_save_rtx.
537 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
538 (alpha_gp_save_rtx): New.
539 * config/alpha/alpha-protos.h: Declare it.
540 * config/alpha/alpha.md (exception_receiver): Make an expander.
541 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
543 2001-06-11 Richard Henderson <rth@redhat.com>
545 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
547 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
549 * configure.in: Align --help messages.
550 Remove trailing full stops.
551 Consistently use lower case.
552 Fix DWARF 2 spelling.
553 * configure: Rebuilt.
555 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
557 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
558 variants for .cpp/.cp/.c++ files.
559 Move definition of __LANGUAGE_C_PLUS_PLUS ...
560 (CPLUSPLUS_CPP_SPEC): ... here.
562 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
564 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
566 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
568 * c-decl.c (store_parm_decls): When comparing types in an
569 old-style function declaration with those from a previous
570 prototype, compare the unqualified versions of parameter types.
573 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
575 * doc/objc.texi: Use more logical markup. Use TeX dashes.
577 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
579 * doc/c-tree.texi: Use more logical markup.
581 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
583 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
585 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
587 * loop.c (scan_loop): Do not combine asm statements.
589 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
591 * simplify-rtx.c (simplify_subreg): Fix offset calculation
592 for complex values within a CONCAT.
594 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
596 * doc/install.texi: Update details of what components are included
597 in the GCC distribution. Update default directory for g++
598 includes. Update documentation relating to old libio. Adjust
599 documentation on DejaGnu environment variables. Remove
600 documentation of --enable-cpplib.
602 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
604 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
607 2001-06-10 Richard Henderson <rth@redhat.com>
609 * ifcvt.c (life_data_ok): New.
610 (merge_if_block): Use it to determine whether to update
612 (if_convert): Set it.
614 2001-06-10 Richard Henderson <rth@redhat.com>
616 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
618 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
620 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
621 (SH Options): Document -mieee.
622 * doc/install.texi (Final install): Remove obsolete information
623 about installing cross compilers.
624 * doc/gcc.1: Rebuilt.
626 2001-06-10 Richard Henderson <rth@redhat.com>
628 * config/alpha/alpha.c (override_options): Set align_loops,
629 align_jumps, and align_functions.
630 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
631 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
633 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
635 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
636 are one and two words in size.
638 2001-06-10 Richard Henderson <rth@redhat.com>
640 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
641 (Code Generation Options): Document -fnon-call-exceptions.
643 2001-06-10 Mark Kettenis <kettenis@gnu.org>
645 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
647 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
649 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
651 2001-06-10 Mark Mitchell <mark@codesourcery.com>
652 Gabriel Dos Reis <gdr@codesourcery.com>
654 * Makefile.in (c-parse.o): Depend on diagnostic.h
655 (dwarf2out.o): Likewise.
657 * dwarf2out.c: #include diagnostic.h
659 * toplev.h (warningcount, errorcount, sorrycount): Remove
662 * toplev.c (warningcount, errorcount, sorrycount): Remove
665 * diagnostic.h (struct output_buffer): Reorder fields.
666 (diagnostic_kind_count): New macro.
667 (errorcount, warningcount, sorrycount): Define as macros.
668 (diagnostic_report_warnings_p): New macro.
669 (output_state): Add diagnostic_count field.
671 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
672 Remove tentative declaration.
673 (count_error): Use diagnostic_report_warnings_p.
675 * c-parse.in: #include diagnostic.h
677 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
679 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
680 prefer a memory for operand 1.
681 ("*addsi3"): Fix constraints, the '!' was too strong.
682 ("*addsi3_split"): Accept soft register and split accordingly.
684 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
686 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
687 Move definition in the RTX_CODE section.
689 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
691 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
692 address as relative to the argument pointer.
694 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
696 * predict.def (PRED_OPCODE): Place before call and error_return.
698 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
700 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
701 * predict.c (estimate_probability): Calculate dominance
702 information; improve detection of NORETURN heuristics;
703 add call/error_return heuiristics; tweak comparison heuristics
706 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
708 * doc/invoke.texi (C Dialect Options): Document -aux-info.
709 (Debugging Options): Document -print-multi-directory and
711 * doc/gcc.1: Rebuilt.
713 * toplev.c (independent_decode_option): Require `=' between
714 `-aux-info' and filename in the same argument.
715 * gcc.c: Don't pass -aux-info=filename twice.
717 2001-06-09 Mark Mitchell <mark@codesourcery.com>
719 * expr.c (expand_expr, case ARRAY_REF): Do not replace
720 an array element with the known initializing value if it has
723 * toplev.c (rest_of_compilation): Remove dead code before
726 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
728 * cppinit.c (print_help): Document -fpreprocessed.
729 * invoke.texi: Similarly.
731 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
733 * predict.def: New file.
734 * predict.h: New file.
735 * predict.c: Include predict.h.
736 (predictor_info): New structure and array.
737 (predict_edge, predict_insn): Rewrite; make global.
738 (predict_edge_def, predict_insn_def): New global functions.
739 (dump_prediction, combine_predictions_for_insns): New
741 (estimate_probability): Change calls to predict_edge
742 to predict_edge_def and calls to predict_insn to predict_insn_def;
743 combine probabilities.
744 (expected_value_to_br_prob): Behave as predictor.
745 * rtl.h (REG_BR_PRED): Update coment.
746 (invert_br_probabilities): New.
747 * jump.c: Include predict.h
748 (duplicate_loop_exit_test): Drop branch prediction notes.
749 (invert_jump): Use invert_br_probabilities.
750 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
751 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
752 * combine.c (distribute_notes): Handle BR_PRED.
754 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
756 * predict.c (predict_insn, predict_edge): New static functions.
757 (estimate_probability): Revamp to use new functions;
758 fix loop header heruistics; add loop exist heruistics
760 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
762 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
764 2001-06-09 Peter Jakubek <pjak@snafu.de>
766 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
768 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
770 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
771 for integer operations that don't update C bit.
773 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
775 * gthr-posix.h (__gthread_objc_init_thread_system): If
776 pthread_key_create fails, it's not clear what the return value is.
777 This obvious fix makes sure it always returns -1 if a problem
780 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
782 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
783 more index entries. Use more logical markup where appropriate.
784 Use TeX quotes and dashes.
786 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
788 * unwind-pe.h: Conditionally qualify references to abort with
791 2001-06-09 Julian Foad <julian_foad@hotmail.com>
793 * doc/invoke.texi: Remove superfluous text.
795 2001-06-08 Richard Henderson <rth@redhat.com>
797 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
798 (LIB_SPEC): Mirror config/linux.h version.
800 2001-06-08 Richard Henderson <rth@redhat.com>
802 * except.c (get_exception_pointer, get_exception_filter): Take a
803 struct function. Update all callers.
804 * except.h (get_exception_pointer): Update declaration.
805 * expr.c (expand_expr): Update get_exception_pointer call.
806 * integrate.c (expand_inline_function): Remap the exception pointer
807 from callee to caller.
809 2001-06-08 Mark Mitchell <mark@codesourcery.com>
811 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
812 accurately reflect its cv-qualification.
813 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
814 cv-qualifiers on function types.
816 2001-06-08 Mark Mitchell <mark@codesourcery.com>
818 * basic-block.h: Improve comments.
819 * except.c (expand_eh_region_end_allowed): Remove redundant call
820 to do_pending_stack_adjust.
821 * flow.c (life_analysis): Fix typo in comment.
822 (calculate_global_regs_live): Add documentation.
823 (mark_set_1): Likewise.
824 (debug_regset): Likewise.
825 * doc/rtl.texi (cond_exec): Document it.
827 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
829 * i386.h (CONST_COSTS): set cost of constants representable in
830 immediate fields to 0.
832 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
834 * function.c (diddle_return_value): Kill code to determine
835 return value before expand_function_end.
836 (expand_function_end): Delay call to clobber_return_register
837 after fucntion return value is computed.
839 Re-install temporary reverted patch:
840 * toplev.c (rest_of_compilation): Call split_all_insns
841 before reg-stack and shorten-branches. Do shorten-branches
843 * final.c (shorten_branches): Remove insn splitting code.
845 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
847 * doc/gcc.texi, doc/invoke.texi: Add index of command line
848 options. Use @opindex to index them rather than other indexing
849 commands. Use @var{...} instead of <...>. Avoid spaces in names
850 inside @var. Don't use @kindex to index escape sequences in
853 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
855 * stmt.c (current_nesting_level): New fn.
856 * tree.h: Declare it.
857 * c-semantics.c (genrtl_compound_stmt): Use it.
859 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
861 2001-06-08 Jakub Jelinek <jakub@redhat.com>
863 * jump.c (mark_modified_reg): Allow jump threading if condition
864 codes are represented by a hard register.
866 2001-06-08 Jakub Jelinek <jakub@redhat.com>
868 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
869 for complex floats passed to unprototyped functions.
871 2001-06-08 Mark Mitchell <mark@codesourcery.com>
873 * except.c (expand_eh_region_end_allowed): Call
874 do_pending_stack_adjust as necessary.
876 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
878 * function.c (clobber_return_register): Clobber the pseudo return
881 * sibcall.c (skip_unreturned_value): New function.
882 (call_ends_block_p): Use it.
884 * recog.c (split_insn): Break out from ...
885 (split_all_insns): ... here; do not use basic block information
888 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
890 * simplify-rtx.c (simplify_subreg): Fix verification of
893 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
895 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
896 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
897 Move definition of _LANGUAGE_C_PLUS_PLUS ...
898 (CPLUSPLUS_CPP_SPEC): ... here.
899 Fixes PRs c++/3047, target/441.
901 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
903 * doc/install.texi2html (MAKEINFO): Keep value if set already.
905 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
907 * doc/gcc.texi: Add trailing slash to URL.
909 2001-06-07 Stan Shebs <shebs@apple.com>
911 * config/darwin.h (ENCODE_SECTION_INFO): Define.
912 (REDO_SECTION_INFO_P): Ditto.
913 (STRIP_NAME_ENCODING): Ditto.
914 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
915 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
916 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
917 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
918 * config/darwin.c: No longer include c-tree.h.
919 (machopic_classify_ident): Rewrite to use symbol encoding.
920 (lookup_name_darwin): Remove.
921 (machopic_non_lazy_ptr_name): Handle encoded symbols.
922 (machopic_stub_name): Use STRIP_NAME_ENCODING.
923 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
924 (machopic_finish): Ditto, remove test of decl.
925 (update_non_lazy_ptrs): New function.
926 (darwin_encode_section_info): New function.
927 * config/darwin-protos.h: Declare it.
928 * config/rs6000/rs6000.c (machopic_output_stub): Use
931 2001-06-07 Mark Mitchell <mark@codesourcery.com>
933 * tree.h (DECL_SOURCE_FILE): Improve documentation.
934 (DECL_SOURCE_LINE): Likewise.
936 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
938 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
941 2001-06-07 Phil Edwards <pme@sources.redhat.com>
943 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
944 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
946 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
948 * doc/contrib.texi: Add copyright notice.
950 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
952 * doc/md.texi: Use four digit years in copyright notice.
954 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
956 * config.gcc: For $target_alias of athlon-*, set
957 target_cpu_default2=5.
959 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
961 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
962 end of last block if last real insn is a JUMP_INSN.
964 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
968 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
970 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
971 pthread_t to objc_thread_t.
972 (__gthread_objc_thread_id): Likewise.
974 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
976 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
977 (ASM_OLDAS_SPEC): Likewise.
979 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
980 (CPP_SUBTARGET_SPEC): Use it.
981 (ASM_OLDAS_SPEC): Define.
983 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
985 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
987 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
990 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
992 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
993 Document use of N_(...), and show it in examples. Note that
994 documentation should be added to invoke.texi. Avoid an overfull
997 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
999 * toplev.c (rest_of_compilation): Revert previous patch.
1000 * final.c (shorten_branches): Likewise.
1002 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1004 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
1007 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1009 * doc/install-old.texi: Remove more obsolete documentation.
1011 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
1013 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
1015 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1017 * toplev.c (rest_of_compilation): Call split_all_insns
1018 before reg-stack and shorten-branches. Do shorten-branches
1020 * final.c (shorten_branches): Remove insn splitting code.
1022 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1024 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1025 * configure: Rebuilt.
1027 2001-06-07 Andreas Jaeger <aj@suse.de>
1029 * emit-rtl.c (operand_subword): Remove unused variable.
1031 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1033 * i386.md (floatdi?f): Avoid usinf of SSE instructions
1034 if TARGET_64BIT is false.
1035 (floatdi?f_i386_only): New insn.
1036 (floatdi?f_i386): Disable for !TARGET_64BIT.
1038 * (min?f, max?f splitters): Handle case where
1039 operands are cross-matched.
1041 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
1042 (MMX_REGISTER_NAMES): Kill.
1043 (PRINT_OPERAND): Fix comment.
1044 (PRINT_REG): Likewise.
1045 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
1046 (print_operand): Update comment; kill 'm'.
1048 * i386.c (x86_branch_hints): New global variable
1049 (print_operand): Support outputting of branch prediction hints.
1050 * i386.md (conditional jump patterns): Add branch prediction hints
1052 * i386.h (x86_branch_hints): Declare
1053 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
1054 (PRINT_OPERAND_FUNCT_VALID_P): New.
1055 * final.c (final_forward_branch_p): New function.
1057 2001-06-06 Richard Henderson <rth@redhat.com>
1059 * flow.c (mark_used_reg): Clean up looping over multiple hard
1060 registers. Do conditional life bits across multiple hard regs.
1062 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
1064 * reload1.c (reload): Revert Schmidt's change so all USEs are not
1065 deleted during reload.
1067 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1069 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
1070 functions here, instead of ...
1071 * c-decl.c (c_expand_body): ... here.
1073 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1075 * config.gcc, config/sparc/bsd.h: Do not directly include
1076 sparc/sparc.h. Instead do it via tm_file.
1078 2001-06-05 Richard Henderson <rth@redhat.com>
1080 * dwarf2.h (DW_EH_PE_aligned): New.
1081 * dwarf2asm.c (eh_data_format_name): Name it.
1082 (dw2_asm_output_encoded_addr_rtx): Align for it.
1083 * dwarf2out.c (output_call_frame_info): Handle it for personality
1084 routine and LSDA pointers.
1086 * unwind-pe.h (DW_EH_PE_aligned): New.
1087 (base_of_encoded_value): Handle it.
1088 (read_encoded_value_with_base): Likewise.
1089 * unwind-dw2-fde.c (base_from_object): Likewise.
1090 (get_cie_encoding): Likewise.
1092 * config/alpha/elf.h: Remove ecoff commentary.
1093 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1095 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1097 * config.gcc, config/i386/bsd386.h: Do not directly include
1098 i386/386bsd.h. Instead do it via tm_file.
1100 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1102 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
1105 2001-06-05 Pascal Obry <obry@act-europe.fr>
1107 * configure.in: Quote $enable_win32_registry in case the value has
1111 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1113 * print-rtl.c (xspaces): Remove.
1114 (print_rtx): Use printf field-width, rather than xpsaces, to
1116 * toplev.c (main): Disable sibling-call optimization if we are
1117 handling exceptions.
1119 2001-06-05 Bernd Schmidt <bernds@redhat.com>
1121 * reload1.c (reload): Delete all USEs generated during reload.
1123 2001-06-05 scott snyder <snyder@fnal.gov>
1125 * gccbug.in: Fix typo.
1127 2001-06-05 Andreas Jaeger <aj@suse.de>
1129 * builtins.def: Fix definition of __builtin_cosf, it uses float as
1130 parameter and return value.
1132 2001-06-04 Anthony Green <green@redhat.com>
1134 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
1135 machine. This is now done in sparc.h.
1137 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1139 Correct CVS resurrection of invoke.texi.
1140 * doc/invoke.texi: Document new tree dump flags.
1142 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1144 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
1145 for casting an aggregate to its own type. Fixes PR c/2735.
1147 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1149 * doc/texinfo.tex: Update to version 2001-05-24.08.
1151 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1153 * c-common.h (flag_dump_translation_unit): Remove.
1154 (enum tree_dump_index): Define.
1155 (TDF_ADDRESS, TDF_SLIM): New #defines.
1156 (dump_node_to_file): Remove.
1157 (dump_node): Make extern. Add flags.
1158 (dump_flag, dump_enabled_p, dump_begin, dump_end,
1159 dump_switch_p): Prototype.
1160 * c-common.c (flag_dump_translation_unit): Remove.
1161 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
1162 logic. Use dump_switch_p.
1163 * c-dump.h (struct dump_info): Add node and user fields.
1164 (dump_pointer): Declare.
1165 * c-dump.c (dump_node): Make extern. Add flags.
1166 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
1167 (dump_new_line, dump_maybe_newline): Use them.
1168 (dump_pointer): New function.
1169 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
1170 chain or function's body. Dump address, if TDF_ADDRESS set.
1171 (dump_flag): Define.
1172 (dump_node_to_file): Remove.
1173 (struct dump_file_info): New struct.
1174 (dump_files): New array.
1175 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
1176 * c-lang.c (finish_file): Adjust dumping.
1177 * toplev.h (dump_base_name): Make extern.
1178 * invoke.texi: Document new flags.
1180 2001-06-04 Mark Mitchell <mark@codesourcery.com>
1182 * c-tree.h (lang_decl): Add pending_sizes fields.
1183 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
1185 (c_expand_body): Expand them.
1186 (lang_mark_tree): Mark lang_decl:pending_sizes.
1187 * function.c (expand_pending_sizes): New function, broken out
1189 (expand_function_start): ... here.
1190 * tree.h (expand_pending_sizes): Declare it.
1192 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
1194 * doc/install.texi: Update FreeBSD information. Generalize
1195 and update information for alpha-based platforms using ELF.
1197 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
1199 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
1200 (store_parm_decls): Likewise.
1201 * c-typeck.c (convert_arguments): Likewise.
1203 2001-06-04 Richard Henderson <rth@redhat.com>
1205 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
1206 optimization if current_function_calls_setjmp.
1208 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
1210 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
1213 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1215 * simplify-rtx.c (simplify_subreg): Fix combining of
1216 paradoxical subregs.
1218 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1220 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
1221 (no_labels_between_p): Short circuit case beg==end.
1223 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1225 * rtlanal.c (operand_preference): Fix preference for objects.
1227 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1229 * gcse.c (handle_avail_expr): Be prepared to handle single_set
1232 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1234 * combine.c (if_then_else_cond): Use simplify_subreg instead
1236 * integreate.c (sub_constants): Likewise.
1238 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1240 * emit-rtl.c (constant_subword): Deprecate; remove most of code
1241 and use simplify_gen_subreg.
1243 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
1245 * sibcall.c (skip_copy_to_return_value): recognize the situation
1246 when the called function's return value is copied into an
1247 intermediate pseudo, and then into the calling functions return
1250 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1252 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
1253 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
1254 in case register wasn't OK previously, accept it now; allow
1255 subregs of frame pointer if reload completed and frame pointer
1258 * combine.c (sombine_simplify_rtx): Fix comment;
1259 use subreg_lowpart_offset instead of subreg_lowpart_p
1260 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
1261 * rtl.h (subreg_lowpart_parts_p): Kill.
1262 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
1263 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
1264 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
1265 (gen_lowpart_common): Likewise.
1266 (subreg_lowpart_p): Likewise.
1267 (subreg_lowpart_parts_p): Kill.
1268 (subreg_lowpart_offset, subreg_highpart_offset): New function.
1270 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
1271 to simplify SUBREG and REG.
1272 (gen_highpart): Use simplify_gen_subreg for all simplifications.
1274 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
1277 * rtlanal.c (replace_regs): Use simplify_gen_subreg
1279 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1281 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
1282 (ARRAY_RANGE_REF): Added description.
1284 * tree.def (ARRAY_RANGE_REF): New code.
1285 * alias.c (handled_component_p, can_address_p): Handle it.
1286 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
1287 * explow.c (set_mem_attributes): Likewise.
1288 * expr.c (expand_assignment, get_inner_reference): Likewise.
1289 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
1290 * fold-const.c (operand_equal_p): Likewise.
1291 * tree.c (staticp, stabilize_reference): Likewise.
1292 * varasm.c (decode_addr_const): Likewise.
1294 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1296 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
1297 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
1299 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
1301 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
1302 mark_constant_pool_use before output_addr_const.
1303 (struct pool_node): New field wend.
1304 (add_constant): Note a sequence of constants that are referenced
1306 (pool_window_label, pool_window_last): New variables.
1307 (dump_table): Emit a unspec_volatile representing the end of a
1308 sequence of constants.
1309 (mark_constant_pool_use): New function.
1310 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
1311 (consttable_2): Add the second operand which flags whether
1312 this consttable entry was used or not.
1313 (consttable_4, consttable_8, consttable_sf, consttable_df):
1315 (consttable_window_end): New insn.
1317 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1319 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
1320 Reformat according to coding standards.
1323 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
1324 (shl_and_kind): Cast wide constant.
1325 (gen_far_branch): Define as static, as in declaration.
1326 (barrier_align): Compute cache-line length as unsigned. Add
1327 parentheses in initial credit computation.
1328 (rounded_frame_size): Add parentheses.
1329 (permanent_obstack): Remove declaration. Include ggc.h for
1330 declaration of ggc_add_root_rtx().
1331 (get_free_reg): Removed declaration of unused variable reg.
1332 (legitimize_pic_address): Mark mode argument as unused.
1334 2001-06-03 Igor Shevlyakov <igor@windriver.com>
1336 * config/sh/sh.c (output_branch): Support for insn with lenght
1337 attr 12 & 16 which represents cond branches outside +-4096 range.
1339 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1341 * config/sh/lib1funcs.asm (ic_invalidate): Align the
1342 cache-mirroring sequence. Add nops.
1344 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
1346 * doc/install-old.texi: Remove more old installation
1348 * doc/install.texi: Add relevant parts here.
1350 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1352 * doc/install.texi2html: New script.
1354 2001-06-03 David Edelsohn <edelsohn@gnu.org>
1356 * doc/install.texi: Update AIX information again.
1358 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1360 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
1361 installation documentation.
1362 * doc/install.texi: Move it to here.
1364 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1366 * doc/install.texi: Clean up Texinfo markup.
1368 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1370 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
1371 to just after title page.
1373 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1375 * doc/install-old.texi: Remove documentation of some configuration
1377 * doc/install.texi: Add relevant parts of this documentation here.
1379 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1381 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
1382 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
1384 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1386 * i386.md (all uses of ext_register_operand): Make sure they are
1387 VOIDmode; replace all uses outside zero_extend.
1388 (and?i splitters): Use ext_register_operands.
1389 (test?i peep2): Remove ignored constraints.
1390 * i386.c (ext_register_operand): Check that operand is
1391 eighter pseudo or hard or 'Q' register.
1393 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1395 * tree.h (struct record_layout_info_s): New field unpadded_align.
1396 (set_lang_adjust_rli): New declaration.
1397 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
1398 it would have if not packed, do not downgrade DECL_ALIGN.
1399 (lang_adjust_rli, set_lang_adjust_rli): New.
1400 (start_record_layout): Initialize new field unpadded_align.
1401 (debug_rli): Display it.
1402 (place_union_field, place_field): Set it.
1403 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
1405 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
1406 mean that; use proper names instead.
1407 Print DECL_NO_STATIC_CHAIN.
1409 * except.c (expand_builtin_frob_return_addr): Add missing call
1410 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
1411 (expand_builtin_eh_return): Likewise.
1412 (expand_eh_return): Clean up ptr_mode != Pmode cases.
1414 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
1416 * doc/invoke.texi: Remove references to papers about sequence points
1417 to readings.html, refer to that page.
1419 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1421 * README: Update references to installation instructions.
1423 2001-06-01 Laurent Guerby <guerby@acm.org>
1424 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1426 * doc/install.texi: Define srcdir when sources come from CVS.
1427 Significantly improve markup. Wrap overly long lines
1429 2001-06-01 DJ Delorie <dj@redhat.com>
1431 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
1432 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
1433 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
1434 gcov.1: Move to doc subdirectory.
1435 * install.texi: Move to doc/install-old.texi.
1436 * gcc.texi: Move to doc, refer to install-old.texi.
1437 * Makefile.in: Reflect move of docs to doc/.
1438 * f/Make-lang.in: Ditto.
1439 * java/Make-lang.in: Ditto.
1440 * doc/.cvsignore: New.
1442 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1444 * invoke.texi: use two spaces between command options, eliminate
1445 some 'overfull hboxes'
1447 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
1449 * Makefile.in (s-mlib): Make backtick-commands always succeed.
1450 (DRIVER_DEFINES): Ditto.
1452 2001-05-31 Richard Henderson <rth@redhat.com>
1454 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
1455 also link against libgcc.a.
1457 2001-05-31 Geoff Keating <geoffk@cygnus.com>
1459 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
1460 * config/mips/mips.c (mips_output_ascii): New function.
1461 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
1463 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
1465 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1467 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
1468 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
1470 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
1472 * install.texi (Configuration): Add html links for --with-gnu-as &
1473 --with-gnu-ld and refer to them from hppa & SCO triplets.
1474 (Specific): Link back to with-gnu-ld for all ELF platfoms.
1475 (Specific): Reword AVR binutils recommendation.
1477 2001-05-30 Zack Weinberg <zackw@stanford.edu>
1479 * ggc-page.c (size_lookup): Increase minimum allocation size
1481 (ggc_print_statistics): Report size of each bin in bytes, not
1482 as its order; there is no longer a direct relationship.
1484 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1486 * extend.texi: Fix formating of examples, eliminate some
1488 * gcc.texi: Eliminate some 'overfull hboxes'.
1489 * invoke.texi: Use two spaces between command options, eliminate
1490 some 'overfull hboxes'.
1492 2001-05-30 Richard Henderson <rth@redhat.com>
1494 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
1496 2001-05-30 Tom Tromey <tromey@redhat.com>
1498 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
1499 use it in the new association.
1501 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
1502 John David Anglin <dave@hiauly1.hia.nrc.ca>
1504 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
1505 to target type to allow ISO C++ compiler to accept it.
1506 * gthr-dce.h (__gthread_active_ptr): Likewise.
1507 * gthr-solaris.h (__gthread_active_ptr): Likewise.
1509 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1511 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
1512 so that we do accept comments in preprocessed input.
1514 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1516 * cpphash.c (alloc_node): Cast allocated pointer.
1518 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
1520 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
1522 2001-05-29 Stan Shebs <shebs@apple.com>
1524 * gcc.texi: Add links for information about Objective-C.
1526 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
1528 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
1529 /bin/sed fails on [^\"]).
1530 (configargs.h): Likewise.
1532 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1534 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
1536 2001-05-28 Stan Shebs <shebs@apple.com>
1538 * objc/objc.gperf: Remove, no longer used.
1540 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
1542 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1543 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1544 Remove trailing whitespace.
1546 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1548 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1549 became http://freeware.sgi.com/.
1551 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
1553 * local-alloc.c (update_equiv_regs): Don't eliminate constant
1556 2001-05-27 Stan Shebs <shebs@apple.com>
1558 * objc/objc-act.c: Add/fix various comments.
1559 (init_selector): Remove, no longer used.
1560 (build_msg_pool_reference): Ditto.
1561 (objc_debug): Ditto.
1563 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1565 * c-decl.c (init_decl_processing):
1566 Don't call start_identifier_warnings.
1567 * flags.h (warn_id_clash, id_clash_len): Remove.
1568 * stringpool.c: Don't include flags.h.
1569 (scan_for_clashes, do_identifier_warnings,
1570 start_identifier_warnings): Remove.
1571 * toplev.c (warn_id_clash, id_clash_len): Remove.
1572 (display_help): Don't document -Wid-clash.
1573 (decode_W_option): Print warning on -Wid-clash.
1574 * tree.h (start_identifier_warnings): Remove.
1575 * invoke.texi: Remove documentation of -Wid-clash.
1577 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1579 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
1581 2001-05-27 Bruce Korb <bkorb@gnu.org>
1583 * fixinc/check.tpl(HACK) add and use a Scheme variable
1584 (has no test text): error out if no "test_text" is defined
1585 * fixinc/fixincl.tpl: likewise
1586 (FIXIDX): make it an enumeration so we minimize diffs
1587 * fixinc/inclhack.def: re-alphabetize and add sort instructions
1588 * fixinc/fixincl.x: regenerate
1589 * fixinc/tests/base/stdio.h: test output got moved due to
1591 * README-fixinc: rewrite (mostly)
1593 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1595 * cpplib.c (run_directive): Set pfile->directive.
1597 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1599 * c-tree.texi: Reformat the manual as a single chapter now
1600 included by gcc.texi.
1601 * gcc.texi: Include c-tree.texi. Merge all indexes.
1602 * Makefile.in (dvi): Add generation for the cppinternals
1603 documentation. Added dependencies on fdl.texi and c-tree.texi
1604 where appropriate. Use TEXI2DVI instead of custom tex calls.
1605 (info): Added dependencies on fdl.texi and c-tree.texi where
1606 appropriate. Remove the target c-tree.info.
1608 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
1610 * combine.c (try_combine): Fix typo in comment.
1611 * expr.c (expand_expr): Likewise.
1612 * config/i370/i370.md (untyped_call): Likewise.
1614 2001-05-26 Bruce Korb <bkorb@gnu.org>
1616 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1617 when fixincl is operating in test mode
1618 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
1619 (AAB_ultrix_limits): remove redundant text
1620 (AAB_ultrix_memory): ditto
1621 (AAB_ultrix_string): ditto
1622 (djgpp_wchar_h): fix the test text
1623 (irix_stdio_va_list): add test text
1624 (irix_limits_const): add a testing output file (limits.h is overwritten)
1625 (strict_ansi_not_ctd): put limits.h second in list for same reason
1626 (solaris27_mutex_init): test text needed selection text, too
1628 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1629 when fixincl is operating in test mode
1631 2001-05-26 Philip Blundell <philb@gnu.org>
1633 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1634 * config/i960/i960-protos.h: Likewise.
1635 * config/i370/i370-protos.h: Likewise.
1636 * config/h8300/h8300-protos.h: Likewise,
1637 * config/sh/sh-protos.h: Likewise.
1638 * config/v850/v850-protos.h: Likewise.
1640 2001-05-26 Philip Blundell <philb@gnu.org>
1642 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1644 2001-05-25 Zack Weinberg <zackw@stanford.edu>
1646 * toplev.c (debug_args, f_options, W_options): Mark
1647 descriptions for translation.
1648 (display_help): Translate descriptions on output.
1650 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
1651 objc/lang-options.h: Mark descriptions for translation.
1653 * aclocal.m4: Quote final argument of patsubst. Use
1654 3-argument form of AC_DEFINE. Restore quotes to [] while
1656 * configure.in: Remove unnecessary changequote calls.
1657 * configure, config.in: Regenerate.
1659 2001-05-25 Sam TH <sam@uchicago.edu>
1661 * basic-block.h: Fix header include guards.
1662 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
1663 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
1664 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
1665 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
1666 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
1667 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
1668 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
1669 varray.h version.h: Likewise.
1670 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
1671 config/arm/arm.h config/c4x/c4x-protos.h
1672 config/h8300/h8300-protos.h config/h8300/h8300.h
1673 config/i370/i370-protos.h config/i370/i370.h
1674 config/i960/i960-protos.h config/mcore/mcore.h
1675 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
1676 config/v850/v850-protos.h config/v850/v850.h: Likewise.
1677 * fixinc/fixlib.h fixinc/server.h: Likewise.
1679 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
1681 * config/arc/initfini.c (.init): Fix typo.
1683 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
1685 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
1687 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1689 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
1691 2001-05-25 Richard Henderson <rth@redhat.com>
1693 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
1695 2001-05-25 Richard Henderson <rth@redhat.com>
1697 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
1698 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
1699 (sparc*-*-solaris2): Likewise.
1700 * config/t-linux: Remove shared libgcc macros.
1701 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
1702 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
1704 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
1706 * config.gcc (*-*-freebsd*): Report bad configuration.
1708 2001-05-25 David Edelsohn <edelsohn@gnu.org>
1710 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
1712 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
1714 (ASM_OUTPUT_LABELREF): Delete.
1716 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1718 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
1719 strict_ansi_only): Don't run if stdc_0_in_system_headers.
1720 * fixinc/fixincl.x: Regenerate.
1721 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
1722 (FIX_TEST_TABLE): Declare it.
1723 * fixinc/fixlib.h: Include config.h.
1725 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1727 * fixinc/inclhack.def (alpha___assert): Change char * args to
1728 const char * on Tru64 UNIX to avoid excessive warnings from
1730 * fixinc/fixincl.x: Regenerate.
1732 2001-05-25 Geoff Keating <geoffk@redhat.com>
1734 * dbxout.c (dbxout_symbol): Invert previous patch, which was
1735 outputting a tag only for variable-size records.
1737 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
1739 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
1740 instead of rtx_equal_p for early clobber test.
1742 2001-05-26 Mark Mitchell <mark@codesourcery.com>
1744 * builtins.def: Encode additional information, such as names and
1746 * builtin-types.def: New file.
1747 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
1748 (built_in_decls): Likewise. Don't explicitly initialize global
1750 (expand_builtin_mathfn): Handle float and long double variants of
1752 (expand_builtin): Likewise.
1753 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
1754 (expand_tree_builtin): Handle long, long long, float, and long
1755 double variants of math functions.
1756 * c-common.h (c_tree_index): Remove some unused nodes.
1757 (void_ftype): Remove.
1758 (void_type_ptr): Likewise.
1759 (int_ftype_int): Likewise.
1760 (ptr_ftype_sizetype): Likewise.
1761 * c-decl.c (init_decl_processing): Remove creation of DWARF
1763 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
1764 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
1765 * Makefile.in (c-common.o): Depend on builtin-types.def.
1767 2001-05-25 Dale Johannesen <dalej@apple.com>
1769 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
1771 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
1773 * c-parse.in (notype_initdcl): Remove redundant line.
1775 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1777 * aclocal.m4: Fixed typo.
1778 (gcc_AC_HEADER_STDBOOL): Define.
1779 (gcc_AC_C__BOOL): Define.
1780 * configure.in: Use them.
1781 (AC_CHECK_HEADERS): Remove stdbool.h
1782 * configure, config.in: Regenerate.
1784 2001-05-25 Richard Henderson <rth@redhat.com>
1786 * function.c (expand_function_start): Don't abort on PARALLEL
1787 returns from hard_function_value.
1789 2001-05-25 Richard Henderson <rth@redhat.com>
1791 * config/i386/i386.md: Revert previous change. Do not apply
1792 the peephole if the components do not die after the sequence.
1794 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
1796 * c-parse.in (array_declarator): New. Handle C99 constructs.
1797 Don't restrict [*] declarators to C only.
1798 (after_type_declarator, parm_declarator_starttypename,
1799 parm_declarator_nostarttypename, notype_declarator,
1800 direct_absdcl1): Use it.
1801 * c-decl.c (build_array_declarator, set_array_declarator_type):
1802 New functions. Warn that [*] isn't properly implemented; pedwarn
1803 for [*] outside C99 mode if pedantic rather than giving a hard
1805 (grokdeclarator): Handle static and type qualifiers in parameter
1807 * c-tree.h (build_array_declarator, set_array_declarator_type):
1809 * extend.texi (Attribute Syntax): Document attributes in parameter
1812 2001-05-25 Mark Mitchell <mark@codesourcery.com>
1814 * config/i386/i386.md: Make sure cmpstr peepholes do not
1815 affect liveness information.
1817 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1819 * c-typeck.c (digest_init): Issue error messages about
1820 invalid constants, not warnings.
1822 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1824 * invoke.texi (-fno-builtin): Document that this is always on
1827 2001-05-24 Philip Blundell <philb@gnu.org>
1829 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
1832 2001-05-24 Philip Blundell <philb@gnu.org>
1834 * config/arm/arm.c (output_return_instruction): Correctly handle
1835 interworking and interrupt functions.
1837 2001-05-24 Philip Blundell <philb@gnu.org>
1839 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
1840 -m{no-}sched-prolog. Fix typos and improve formatting.
1842 2001-05-24 Philip Blundell <philb@gnu.org>
1844 * invoke.texi (ARM Options): Improve wording slightly. Add
1845 documentation for more options, including those for Thumb mode.
1846 Don't mention options that don't exist or are unimplemented.
1847 (Thumb Options): Delete; merged into above section.
1849 2001-05-24 Geoff Keating <geoffk@redhat.com>
1851 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
1852 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
1854 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1856 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
1857 fix hard register simplification.
1859 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1861 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
1862 of just copying CPP_CPU_SPEC.
1864 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1866 * i386.c (incdec_operand): Accept only 1 and -1.
1868 2001-05-23 Kelley Cook <kelley.cook@home.com>
1870 * Makefile.in: Move many of the *_H definitions eariler in the
1871 file, so that rules in t-* files that use them for
1872 dependencies will work in a parallel build.
1873 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
1875 2001-05-23 Richard Henderson <rth@redhat.com>
1877 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
1879 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1881 * cpp.texi: Update for handling of charconsts.
1882 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
1883 diagnostics. Skip to the end if the UCS is too short.
1884 (cpp_interpret_charconst): Long charconsts issue a warning
1887 2001-05-23 Richard Henderson <rth@redhat.com>
1889 * doc/install.texi (alpha-linux): Require binutils 2.11.
1891 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1893 * c-lex.c (read_escape, read_ucs): Delete.
1894 (lex_string): Use cpp_parse_escape.
1895 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
1896 if not C++ or not C99. Warn if traditional.
1897 (parse_escape): Rename cpp_parse_escape. Make the bitmask
1898 unsigned. Warn for out-of-range escape sequences here.
1899 Update to use maybe_read_ucs.
1900 (cpp_interpret_charconst): Don't warn here.
1901 * cpplib.h (cpp_parse_escape): New exported function.
1903 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
1905 * extend.texi (Attribute Syntax): Clarify application of
1906 attributes to parameters declared as functions or arrays.
1908 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
1910 * dbxout.c (dbxout_type_methods): Do still group methods by name.
1912 2001-05-23 Zack Weinberg <zackw@stanford.edu>
1914 * diagnostic.c (vnotice): Kill.
1915 (fnotice): Call vfprintf directly.
1916 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
1917 verbatim, set_diagnostic_context): Rename string argument to
1918 indicate that it is run through gettext.
1919 (vbuild_message_string, build_message_string, output_do_printf):
1920 Rename string argument to indicate that it is NOT run through
1922 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
1923 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
1924 Run msgid argument through gettext.
1925 (default_print_error_function): Run constant strings through
1926 gettext when nothing else will.
1927 (fatal_error, internal_error, error_recursion): Use fnotice.
1928 Present complete sentences to gettext.
1930 2001-05-23 Mark Mitchell <mark@codesourcery.com>
1932 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
1934 2001-05-23 Richard Henderson <rth@redhat.com>
1936 * function.c (expand_function_start): Always use a pseudo
1937 for the function result value.
1939 2001-05-22 Richard Henderson <rth@redhat.com>
1941 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
1942 section pointer alignment.
1944 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
1946 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
1947 of __USER_LABEL_PREFIX__.
1949 2001-05-22 Richard Henderson <rth@redhat.com>
1951 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
1952 (__deregister_frame_info_bases): New.
1953 * unwind-dw2-fde.h: Declare it.
1954 * libgcc-std.ver: Export it.
1955 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
1956 called __register_frame_info_bases.
1958 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1960 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
1961 instead of #elif (which is OK for this case but not in general).
1963 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
1965 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
1966 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
1967 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
1968 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
1969 "r2" to the assembly file. Only issue allocs with non-zero parameters.
1971 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1972 David O'Brien <obrien@freebsd.org>
1974 * config/freebsd.h (LIB_SPEC): Key the exact setting to
1975 configure-time options and target version of FreeBSD. Set-up
1976 to match architectural change in threading support. Correctly
1977 report when -pthread option is not supported by configure-time
1979 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
1980 and extend to encode target version number in run-time setting
1981 of __FreeBSD__ macro to match the system compiler.
1982 (CPP_PREDEFINES): Likewise.
1983 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
1985 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
1986 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
1988 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1989 David O'Brien <obrien@freebsd.org>
1991 * config.gcc (the unlabeled system switch statement): Add
1992 generic configuration section to handle *-*-freebsd*. Also,
1993 to match the system compiler, default to threading support (it
1994 may be disabled with the standard --disable-threads
1995 configuration-time switch).
1996 (i[34567]86-*-freebsd* in machine-specific section): Use it.
1997 (alpha*-*-freebsd* in machine-specific section): Likewise.
1999 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
2000 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
2001 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
2002 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
2003 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
2005 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2006 David O'Brien <obrien@freebsd.org>
2008 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2009 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
2010 -pthread instead setting macro.
2012 2001-05-22 Richard Henderson <rth@redhat.com>
2014 * crtstuff.c (__register_frame_info_bases): Declare.
2015 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
2016 (__do_global_dtors_aux, __do_global_dtors): Streamline.
2018 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2019 (CRT_GET_RFIB_DATA): New.
2020 * config/i386/sysv4.h: Likewise.
2021 * config/i386/sco5.h: Likewise.
2022 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2024 2001-05-22 Richard Henderson <rth@redhat.com>
2026 * rtl.c (read_string): Break out from ...
2027 (read_rtx): ... here.
2029 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2031 * doc/install.texi (Specific): Remove a bogus and duplicate part
2032 copied from the end of the document.
2034 2001-05-22 Bernd Schmidt <bernds@redhat.com>
2036 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
2038 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2040 * install.texi: Remove obsolete information on SunOS as well as
2041 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
2042 (Installing GNU CC on the Sun): Remove section.
2044 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
2046 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
2047 keep errno unchanged on success.
2049 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
2051 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
2052 once for hexadecimal floats, whether or not they contain a decimal
2053 point. Don't let the setting of pedantic otherwise affect the
2054 parsing of hexadecimal floats.
2056 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2058 * README.ACORN: Remove obsolete file.
2060 2001-05-22 Jan Hubicka <jh@suse.cz>
2062 * combine.c (gen_binary): Use swap_commutative_operands_p
2063 (simplify_comparison): Likewise.
2064 * expmed.c (emit_store_flag): Likewise.
2065 * expr.c (compare_from_rtx): Likewise.
2066 (do_compare_rtx_and_jump): Likewise.
2067 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
2068 if not emitting a branch and operands want swapping.
2070 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
2072 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
2073 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
2074 (maybe_get_identifier): Update.
2075 * tree.h (make_identifier): Delete.
2077 2001-05-21 Richard Henderson <rth@redhat.com>
2079 * combine.c (subst): Do not substitute for a register as
2080 a destination subreg/strict_low_part/zero_extract.
2082 * combine.c (simplify_comparison): Update op1 after constant
2084 * recog.c (const_int_operand): Accept only constants valid
2086 * genrecog.c: Update comments wrt const_int_operand.
2088 * emit-rtl.c (init_emit_once): Zero unused memory in a
2091 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2093 * tree.h (type_num_arguments): Declare it.
2094 * tree.c (type_num_arguments): New function.
2096 2001-05-21 Richard Henderson <rth@redhat.com>
2098 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
2101 2001-05-21 Geoff Keating <geoffk@redhat.com>
2103 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
2105 (minsf3): Use rs6000_emit_minmax.
2106 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
2108 (movsfcc): Use rs6000_emit_cmove.
2109 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
2110 Don't generate emit_fselsfsf4.
2111 (fseldfsf4): Likewise.
2112 (maxdf3): Use rs6000_emit_minmax.
2114 (mindf3): Use rs6000_emit_minmax.
2115 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
2117 (movdfcc): Use rs6000_emit_cmove.
2118 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
2119 Don't generate emit_fselsfsf4.
2120 (fselsfdf4): Likewise.
2121 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
2122 (min_max_operator): New predicate.
2123 (rs6000_emit_cmove): New function.
2124 (rs6000_emit_minmax): New function.
2125 * config/rs6000/rs6000-protos.h: Prototype new functions.
2126 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
2127 and min_max_operator.
2129 * config/rs6000/rs6000.c (output_cbranch): Handle all
2130 conditional types in the switch statement.
2132 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2134 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
2135 non-register variables.
2136 * extend.texi: Document that asm-specifications do not make sense
2137 for non-static local variables.
2139 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
2141 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
2142 (dbxout_type_fields): Lose minimal_debug support.
2143 (dbxout_type_methods, dbxout_type): Likewise.
2145 2001-05-17 Andrew Haley <aph@redhat.com>
2147 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2149 2001-05-21 Richard Henderson <rth@redhat.com>
2151 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
2154 2001-05-20 Richard Henderson <rth@redhat.com>
2156 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2157 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
2158 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
2159 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2160 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
2162 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2163 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
2164 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
2165 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2166 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2167 DEBUG_PUBNAMES_SECTION): Rename as above.
2168 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2170 2001-05-20 Richard Henderson <rth@redhat.com>
2172 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
2173 operands unless the operation is commutative.
2175 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2177 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
2180 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
2182 * extend.texi: Clarify documentation of extensions included in ISO
2183 C99. Prefer C99 terminology and syntax to old GNU terminology and
2184 syntax. Add more index entries. Document mixed declarations and
2185 code as an extension in C89 mode. Warn about future changes to
2186 semantics of inline functions. Fixes PR other/930.
2188 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2190 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
2191 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2192 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
2193 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2195 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
2197 2001-05-20 Richard Henderson <rth@redhat.com>
2199 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
2200 to be output before a branch.
2202 2001-05-20 Richard Henderson <rth@redhat.com>
2204 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
2206 2001-05-20 Richard Henderson <rth@redhat.com>
2208 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
2209 (ASM_DOUBLE): Remove.
2210 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
2211 * config/i386/sun386.h: Likewise.
2213 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
2214 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
2216 * config/i386/cygwin.h (INT_ASM_OP): Remove.
2217 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
2218 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
2219 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
2221 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
2222 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
2223 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
2224 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
2225 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
2226 * config/i386/win32.h: Likewise.
2228 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2230 * invoke.texi: Add more options to summary list.
2232 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2234 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
2235 used. Fixes PR c/2291.
2236 * gcc.1: Regenerate.
2238 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2240 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
2241 the -fpic and -fPIC options, clear flag_pic.
2243 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2245 * hashtable.c (calc_hash): Fix HASHSTEP definition.
2246 * stringpool.c (make_identifier): No statistics here anymore.
2247 * objc-act.c (steup_string_decl): Remove redundant check.
2249 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2251 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
2252 cpplib.o, cpphash.o, fix-header): Update.
2253 (hashtable.o): New target.
2254 * c-common.h: Include cpplib.h. Define C_RID_CODE and
2255 struct c_common_identifier here.
2256 * c-lang.c (c_init_options): Update. Call set_identifier_size.
2257 * c-lex.c (c_lex): Update.
2258 * c-pragma.h: Update.
2259 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
2261 (C_RID_CODE): Delete.
2262 * cpphash.c: Rewrite to use hashtable.c.
2263 * cpphash.h: Update include guards.
2264 (struct cpp_reader): Remove hashtab.
2265 hash_ob and buffer_ob are no longer pointers. Add hash_table
2267 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
2268 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
2269 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
2270 * cppinit.c (cpp_create_reader): Update.
2271 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
2272 (cpp_interpret_charconst): Eliminate warning.
2273 * cpplib.c (do_pragma, do_endif, push_conditional,
2274 cpp_push_buffer, cpp_pop_buffer): Update.
2275 (_cpp_init_stacks): Rename cpp_init_directives.
2276 (_cpp_cleanup_stacks): Remove.
2277 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
2278 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
2279 cpp_forall_identifiers, cpp_create_reader): Update.
2280 (C_RID_CODE, cpp_make_node): New.
2281 (c_common_identifier): New identifier node for C front ends.
2282 * cppmain.c (main): Update.
2283 * fix-header.c (read_scan_file): Update.
2284 * flags.h (id_clash_len): Make unsigned.
2285 * ggc.h (ggc_mark_nonnull_tree): New.
2288 * stringpool.c: Update comments and copyright. Update to use
2290 * toplev.c (approx_sqrt): Move to hashtable.c.
2291 (id_clash_len): Make unsigned.
2292 * toplev.h (ident_hash): New.
2293 * tree.c (gcc_obstack_init): Move to hashtable.c.
2294 * tree.h: Include hashtable.h.
2295 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
2296 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
2297 (struct tree_identifier): Update.
2298 (make_identifier): New.
2300 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
2301 (C_RID_CODE): Remove.
2302 * lex.c (cxx_init_options): Call set_identifier_size. Update.
2303 (init_parse): Don't do it here.
2305 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
2307 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
2309 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
2311 (expand_eh_return): Convert between word_mode and Pmode.
2312 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
2314 (execute_stack_op): Likewise.
2315 (execute_cfa_program): Likewise.
2316 (uw_frame_state_for): Likewise.
2317 (uw_update_context_1): Likewise.
2318 * unwind.inc (_Unwind_Reason_Code): Likewise.
2319 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
2320 (EH_RETURN_STACKADJ_RTX): Likewise.
2321 * config/mips/mips.c (compute_frame_size): Make space for saving
2322 EH return registers.
2323 (mips_expand_epilogue): Handle EH stack adjustments.
2324 * config/mips/mips.md (eh_return): New pattern.
2325 (eh_set_lr_si): Likewise.
2326 (eh_set_lr_di): Likewise.
2327 Add splitter to perform EH return after reload.
2329 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2331 * jump.c (mark_jump_label): Tidy previous change.
2333 2001-05-19 Bruce Korb <bkorb@gnu.org>
2335 * fixinc/genfixes: no need for two warnings
2336 * fixinc/Makefile.in: open stdin for those building with a closed one.
2338 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2340 * jump.c (jump_optimize_1): Tidy.
2341 (mark_jump_label): When changing the label in a LABEL_REF, change
2342 update any REG_EQUAL notes as well.
2344 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
2346 * c-parse.in (parm_declarator): Split into
2347 parm_declarator_starttypename and parm_declarator_nostarttypename.
2348 (parm_declarator_starttypename, parm_declarator_nostarttypename):
2349 New. Allow parenthesised sub-declarators which don't begin with a
2350 TYPENAME. Fixes PR c/166.
2352 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2354 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
2356 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2358 * toplev.c (main): If the target does not allow profiling without
2359 a frame pointer, issue an error message.
2360 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2363 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2365 * recog.c (general_operand): Modify last change to allow it if reload
2368 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2370 * recog.c (general_operand): Prohibit nonzero subreg bytes on
2371 subregs containing mem.
2373 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
2375 * regrename.c (regrename_optimize): frame pointer register can
2378 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
2380 * README.DWARF: Move into dwarfout.c.
2382 2001-05-18 Dale Johannesen <dalej@apple.com>
2384 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
2385 specific misuse of r0 as a reload address.
2387 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2389 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
2392 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2394 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
2395 (add_to_sequence): Make that decision type.
2396 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
2397 (write_switch, write_cond, debug_decision_2): Likewise.
2399 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
2401 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
2404 2001-05-18 Stan Shebs <shebs@apple.com>
2406 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
2407 * configure: Regenerate.
2409 2001-05-18 Per Bothner <per@bothner.com>
2411 Changes needed for java/jvspec.c
2412 * gcc.h (n_infiles, outfiles): Add declarations.
2413 * gcc.c (n_infiles, outfiles): Mske no longer static.
2415 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
2417 * config/pa/som.h (EXCEPTION_SECTION): Define.
2419 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
2421 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
2423 Add have_location_lists, a variable to determine whether we need a
2424 .debug_loc section or not.
2425 (enum dw_val_class): Add dw_val_class_loc_list.
2426 (dw_val_struct): Add val_loc_list.
2427 (dw_loc_list_struct): New structure, represents location lists.
2428 (new_loc_list): New function, return a new location list, given
2429 the range and location expression.
2430 (add_loc_descr_to_loc_list): New function, add a location
2431 expression to a location list, given the expression and range.
2432 (output_loc_list): New function, output a location list.
2433 (gen_internal_sym): Modified to take symbol prefix, so we can
2434 reuse it for location list symbols.
2435 (add_AT_loc_list): New function, add a location list to a DIE at
2436 the named attribute.
2437 (AT_loc_list): New function, return the location list reference
2438 for a given attribute, if it's a location list.
2439 (print_die): Handle dw_val_class_loc_list.
2440 (size_of_die): Ditto.
2441 (value_format): Ditto.
2442 (output_die): Ditto.
2443 (output_location_lists): New function, output all of the location
2444 lists for a DIE and it's children.
2445 (dwarf2out_finish): Call output_location_lists if we have location
2449 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2451 * gcse.c (try_replace_reg): First try global replace, later try to
2452 simplify the expression.
2454 * gcse.c (find_used_regs): Change calling convention; work via
2456 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
2458 2001-05-18 Bernd Schmidt <bernds@redhat.com>
2461 2001-02-09 Nick Clifton <nickc@redhat.com>
2462 * config/arm/arm.md: Change output constraint on post inc
2463 load/store multiple patterns to be a read/write constraint.
2465 2001-05-18 Mark Mitchell <mark@codesourcery.com>
2467 * basic-block.h (struct basic_block_def): Add documentation about
2468 what a basic block is, and what the various fields are used for.
2469 * flow.c (calculate_globlal_regs_live): Add documentation about
2470 how the algorithm works, and how we know that it will terminate.
2471 Check that the the inductive assumption that guarantees
2472 termination actually holds.
2473 (mark_used_regs): Treat conditionally set registers as used.
2474 (debug_regset): Add comment.
2475 * rtl.texi (cond_exec): Add documentation.
2477 * function.c (expand_function_start): Avoid creating BLKmode
2480 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2482 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
2483 DIE, even if it has no children.
2484 (dwarf2out_finish): Always output the line-number table, even if
2487 2001-05-18 David Edelsohn <edelsohn@gnu.org>
2489 * rs6000.md (movsfcc,movdfcc): Remove NE case.
2491 2001-05-17 Bruce Korb <bkorb@gnu.org>
2493 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
2494 * fixinc/genfixes: emit a warning if AutoGen is out of date
2496 2001-05-17 Brendan Conoboy <blc@cygnus.com>
2497 Bruce Korb <bkorb@gnu.org>
2499 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
2500 found in fixinc directory. Facilitates binary distributions.
2502 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
2504 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
2507 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
2509 * dwarf2out.c (modified_type_die): Equate qualified type to die.
2511 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2513 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
2514 (simplify_subreg): Handle complex types represented as CONCAT.
2516 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
2517 * rtl.h (swap_commutative_operands_p): Declare.
2518 * rtlanal.c (swap_commutative_operands_p): New.
2519 (operand_preference): New static function.
2521 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
2522 (gen_binary): Likewise.
2523 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
2524 * simplify-rtx.c (simplify_gen_binary,
2525 simplify_gen_relational): Likewise.
2527 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2529 * cse.c (fold_rtx): Use simplify_subreg.
2531 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
2532 (simplify_gen_subreg): New.
2533 (simplify_rtx): Use simplify_subreg.
2534 * rtl.h (simplify_gen_subreg): Declare.
2536 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2538 * doc/install.texi: Update Solaris information.
2540 * except.h (protect_cleanup_actions): Remove it.
2541 (lang_protect_cleanup_actions): Declare it.
2542 * except.c (protect_cleanup_actions): Remove it.
2543 (lang_protect_cleanup_actions): New variable.
2544 (init_eh): Don't make protect_cleanup_actions a GC root.
2545 (expand_eh_region_and_cleanup): Call
2546 lang_protect_cleanup_actions.
2547 (output_function_exception_table): Remove unused `align'
2549 * varasm.c (assemble_external): Abort if we have not yet
2550 opened the assembly output file.
2552 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
2554 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2555 for eh_personality_libfunc.
2557 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2559 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
2560 when calling simplify_subreg. This is needed to allow replacing
2561 of expression of one mode by expression of different mode.
2563 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2565 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
2567 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2569 * expr.c (protect_from_queue): Protect against subsequent calls to
2571 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2574 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
2576 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
2578 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2580 * gccbug.in (CATEGORIES): Add "bootstrap".
2582 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2584 * simplify-rtx.c (simplify_subreg): Break out from ...
2585 * combine.c (combine_splify_rtx) ... here and ...
2586 * recog.c (validate_replace_rtx_1): ... here;
2587 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
2588 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
2589 (subreg_lowpart_p): ... here.
2591 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2593 * stmt.c (expand_asm_operands): For inout operands, make sure
2594 the substitution of '=' for '+' makes it into the rtl.
2596 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
2597 (reload_as_needed): Call update_eliminable_offsets a bit later.
2599 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2601 * gcc.texi (gccbug): Refer to the web pages for detailed information
2604 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2606 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
2608 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
2609 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
2610 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
2611 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
2612 * cross-make: Don't set LIBGCC1.
2613 * mklibgcc.in: Delete all code for building from libgcc1.c.
2614 Always honor LIB1ASMFUNCS if set.
2616 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
2617 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
2618 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
2619 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
2620 config/i386/uwin.asm, config/m68hc11/larith.asm,
2621 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
2622 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
2623 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
2624 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
2625 Delete or update references to libgcc1 in commentary.
2627 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
2628 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
2629 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
2630 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
2631 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
2632 config/arm/t-semi, config/arm/t-strongarm-coff,
2633 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
2634 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
2635 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
2636 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
2637 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
2638 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
2639 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
2640 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
2641 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2642 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
2643 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
2644 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
2645 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
2646 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
2647 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
2648 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
2649 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
2650 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
2651 config/mips/t-ultrix, config/mn10200/t-mn10200,
2652 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
2653 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
2654 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
2655 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
2656 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
2657 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
2658 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
2659 config/sparc/t-sparclite, config/sparc/t-splet,
2660 config/sparc/t-sunos41, config/sparc/t-vxsparc,
2661 config/sparc/t-vxsparc64, config/v850/t-v850:
2662 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
2664 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
2665 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
2666 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
2667 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
2668 nongcc_SI_type, nongcc_word_type, or perform_*
2669 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
2671 * config/i386/386bsd.h, config/i386/beos-elf.h,
2672 config/i386/linux-aout.h, config/i386/linux-oldld.h,
2673 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
2674 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
2675 Don't include i386/perform.h.
2677 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
2678 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
2679 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
2680 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
2681 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
2682 config/vax/t-openbsd, config/vax/t-vax: Delete.
2684 * config.gcc: Remove references to deleted files.
2685 (arm-semi-aof): Use arm/t-semi for tmake_file.
2687 * gcc.texi, install.texi, invoke.texi, tm.texi:
2688 Delete or rewrite text which is no longer relevant now that
2689 libgcc1 no longer exists.
2691 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
2692 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
2694 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
2695 Bruce Korb <bkorb@gnu.org>
2697 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
2700 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2702 * i386.md: Add two peepholes to clean up code generated by
2705 2001-05-16 Richard Henderson <rth@redhat.com>
2707 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
2708 variants of non-absolute encodings.
2710 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2712 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
2713 __register_frame_info_table_bases): Export.
2715 2001-05-16 Richard Henderson <rth@redhat.com>
2717 * except.c (eh_data_format_name): Move to ...
2718 * dwarf2asm.c: ... here. Use designated initializers if available.
2719 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
2720 * dwarf2asm.h: Update declarations.
2721 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
2722 ASM_PREFERRED_EH_DATA_FORMAT.
2723 (output_call_frame_info): Likewise. Use 'L' augmentation for
2726 * unwind-dw2-fde.h (struct fde_vector): New.
2727 (struct old_object): Rename from struct object.
2728 (struct object): New.
2729 (__register_frame_info_bases): Declare.
2730 (__register_frame_info_table_bases): Declare.
2731 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
2732 * unwind-dw2-fde.c (objects): Remove.
2733 (unseen_objects, seen_objects): New.
2734 (__register_frame_info_bases): New.
2735 (__register_frame_info): Use it.
2736 (__register_frame_info_table_bases): New.
2737 (__register_frame_info_table): Use it.
2738 (__deregister_frame_info): Rewrite for changed object struct.
2739 (base_from_object, get_cie_encoding, get_fde_encoding): New.
2740 (fde_unencoded_compare): Rename from fde_compare; uninline.
2741 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
2742 (start_fde_sort): Adjust for new definition of fde_vector.
2743 (fde_insert): Likewise.
2744 (end_fde_sort): Likewise. Select comparison function based
2745 on properties of the object.
2746 (fde_split): Take object and fde_compare_t arguments.
2747 (frame_heapsort, fde_merge): Likewise.
2748 (classify_object_over_fdes): Rename from count_fdes. Handle
2749 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
2751 (add_fdes): Handle encoded pointers.
2752 (init_object): Rename from frame_init. Update for new struct object.
2753 (linear_search_fdes): Rename from search_fdes. Handle encoded
2755 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
2756 (binary_search_single_encoding_fdes): New.
2757 (binary_search_mixed_encoding_fdes): New.
2758 (search_object): New.
2759 (_Unwind_Find_FDE): Update for new struct object. Fill in
2761 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
2762 iterating over EH data.
2763 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
2764 fde_encoding, lsda_encoding.
2765 (read_uleb128, read_sleb128): Remove.
2766 (read_encoded_pointer): Remove. All callers use read_encoded_value.
2767 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
2768 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
2770 * unwind-pe.h: Add "struct" to _Unwind_Context references.
2772 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2774 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
2775 * cpphash.c (_cpp_lookup_with_hash): Similarly.
2776 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
2777 cpp_spell_token, cpp_output_token): Similarly.
2778 * cpplib.c (lex_macro_node, do_undef, do_pragma,
2779 do_pragma_poison, parse_assertion, do_assert): Similarly.
2780 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
2781 save_parameter, _cpp_create_definition, check_trad_stringification,
2782 cpp_macro_definition): Similarly.
2783 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
2784 * c-lex.c (cb_undef, c_lex): Similarly.
2785 * fix-header.c (recognized_function): Similarly.
2786 * cpplib.h (NODE_LEN, NODE_NAME): New.
2787 (cpp_hashnode): Rename length len.
2789 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
2791 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
2794 2001-05-16 Andreas Jaeger <aj@suse.de>
2796 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
2798 * toplev.c: Include dwarf2asm.h for prototype of
2799 dw2_output_indirect_constants.
2801 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2803 * stmt.c (expand_asm_operands): Be able to offload addressof
2804 expression to memory. (PR optimization/185)
2806 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
2808 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
2809 applying distributive law.
2811 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2813 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
2815 * gthr-dce.h (UNUSED): Attribute unused macro.
2816 (__gthread_key_dtor): Make arguments UNUSED.
2817 (__gthread_key_delete): Revise for compatibility with DRAFT4
2820 2001-05-16 David Edelsohn <edelsohn@gnu.org>
2822 * doc/install.texi: Update AIX information.
2823 * README.RS6000: Remove obsolete file.
2825 2001-05-16 Jakub Jelinek <jakub@redhat.com>
2826 Nathan Sidwell <nathan@codesourcery.com>
2828 * gcc.c (give_switch): Don't write before start of string.
2829 Always append suffix.
2831 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
2833 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
2836 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2838 * README.ALTOS: Remove obsolete file.
2840 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2842 * c-lex.h (save_and_forget_protocol_qualifiers,
2843 forget_protocol_qualifiers, remember_protocol_qualifiers):
2844 Remove deleted functions' prototypes.
2846 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2848 * c-parse.in (methodtype): New production.
2849 (methoddef, methodproto): Collapse separate '-' and '+'
2852 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2854 * c-common.h (RID_FIRST_PQ): New.
2855 * c-parse.in (objc_pq_context): New.
2856 (objc parser): Set objc_pq_context rather than calling
2857 remember_protocol_qualifiers and forget_protocol_qualifiers.
2858 Don't call save_and_forget_protocol_qualifiers.
2859 (yylexname): Handle objc protocol qualifiers here.
2860 * stringpool.c (struct str_header): Replace with sp_hashnode.
2861 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
2862 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
2863 Allocate an IDENTIFIER_NODE for each identifier.
2864 (FORALL_STRINGS, set_identifier): Delete.
2865 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
2866 (ggc_alloc_string): Use an obstack.
2867 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
2868 * tree.h: Update comments.
2869 (set_identifier): Delete.
2870 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
2871 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
2872 remember_protocol_qualifiers): Delete.
2874 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
2876 * flow.c (life_analysis): After life analysis is complete, do
2877 an optional scan over insns looking for REG_LABEL notes that
2878 reference a deleted label.
2879 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
2880 before peeking at LABEL_NUSES.
2882 2001-05-15 Richard Henderson <rth@redhat.com>
2884 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
2885 (_Unwind_GetTextRelBase): New.
2887 2001-05-15 Mark Mitchell <mark@codesourcery.com>
2889 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
2891 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
2893 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
2894 so that CHOOSE_SECTION gets used.
2896 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
2897 TARGET_RELOCATABLE like flag_pic for now.
2899 2001-05-15 David Edelsohn <edelsohn@gnu.org>
2901 * rs6000.md (movdi splitter): Sign extend more efficiently.
2902 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
2903 to "long long" valid on 32-bit and 64-bit hosts.
2904 (logical_operand): Cast trunc_int_for_mode return value.
2905 (rs6000_emit_move): Shift macro to encapsulate variable.
2906 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
2907 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
2908 plus_constant requires signed argument.
2910 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
2912 * gthr-posix.h: Make additional pthread-* functions weak.
2914 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
2916 * recog.c (apply_change_group): Avoid unneeded validating.
2918 2001-05-14 David Edelsohn <edelsohn@gnu.org>
2920 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
2921 (num_insns_constant): CONST_INT can be 64-bits.
2923 2001-05-14 Stan Shebs <shebs@apple.com>
2925 * config/darwin.h (LIB_SPEC): Just use -lSystem.
2926 (LIBGCC_SPEC): Don't define.
2928 2001-05-14 Richard Henderson <rth@redhat.com>
2930 * configure.in (gcc_cv_as_eh_frame): New test.
2931 * config.in, configure: Rebuild.
2932 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
2934 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2936 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
2937 extended precision divide.
2939 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2941 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
2942 for RETURNS as well.
2944 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2946 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
2947 (CPP_CPU??_SIZE_TYPE): New.
2948 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
2949 (CPP_CPU_SPEC): ... here; support choosing of CPU.
2950 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
2951 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
2953 * i386.c (override_options): Add sorry about not suported modes.
2955 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
2957 * config/pa/som.h (NM_FLAGS): Remove.
2958 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
2959 (ASM_OUTPUT_SECTION_NAME): Remove.
2960 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
2962 2001-05-14 Mark Mitchell <mark@codesourcery.com>
2964 * regrename.c (regrename_optimize): Do not rename registers to
2967 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
2969 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
2970 contain MEMs. Remove useless distinction about clobbering
2973 2001-05-13 Geoff Keating <geoffk@redhat.com>
2975 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
2976 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
2977 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
2978 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2979 (EXCEPTION_SECTION): Define.
2981 2001-05-13 Zack Weinberg <zackw@stanford.edu>
2983 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
2984 binary backward compat only.
2985 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
2986 in LIB2FUNCS. Pass it to mklibgcc.
2987 * mklibgcc.in: Handle LIB2FUNCS_ST.
2989 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
2991 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
2993 * tm.texi (THREAD_MODEL_SPEC): Document it.
2994 * gcc.c (main): Use it.
2995 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
2996 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
2998 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3000 * rtl.h (SYMBOL_REF_WEAK): New macro.
3001 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
3002 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
3003 * rtl.texi (SYMBOL_REF_WEAK): Document it.
3004 * gcc.texi: Remove wrong description.
3006 2001-05-13 Mark Mitchell <mark@codesourcery.com>
3008 * Makefile.in (STAMP): New macro.
3009 Replace all uses of `touch' with $(STAMP).
3010 * fixinc/Makefile.in: Likewise.
3012 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3014 * configure.in: ldopen is never in -lexc, so don't test for it.
3015 Add test for exc_resume in -lexc for Ada.
3016 * configure: Regenerated.
3018 2001-05-12 Richard Henderson <rth@redhat.com>
3020 * dwarf2asm.c (size_of_encoded_value): New function.
3021 * dwarf2asm.h: Declare it.
3022 * except.c (output_function_exception_table): Align the TType
3023 array only as wide as the encoding.
3025 2001-05-12 Zack Weinberg <zackw@stanford.edu>
3027 * extend.texi: Document #pragma GCC java_exceptions.
3029 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3031 * c-parse.in (bison parser, init_reswords): Remove uses of
3033 * c-tree.h (doing_objc_thang): Remove.
3035 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3037 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
3038 about files not ending in newlines.
3040 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3042 * dwarfout.c (dwarfout_init): Add cast.
3043 * sched-deps.c (sched_analyze_insn): Remove unused vars.
3044 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
3046 * method.c (build_mangled_C99_name): Remove unused prototype.
3048 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3050 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
3052 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3054 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
3055 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
3057 2001-05-11 Richard Henderson <rth@redhat.com>
3059 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3060 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
3061 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
3062 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
3063 (dw2_output_indirect_constants): Prototype.
3064 * dwarf2out.c (dwarf2out_begin_prologue): Generate
3065 current_function_func_begin_label if we'll need it for EH. Exit
3066 early for IA64_UNWIND_INFO.
3067 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
3068 (eh_data_format_name): Update for indirect references.
3069 (output_function_exception_table): Care for IA64_UNWIND_INFO.
3070 Handle ASM_PREFERRED_EH_DATA_FORMAT.
3071 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
3072 define HAVE_eh_return etc.
3073 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
3074 (final_end_function): Don't call output_function_exception_table.
3075 * toplev.c (compile_file): Call dw2_output_indirect_constants.
3076 (rest_of_compilation): Invoke output_function_exception_table
3077 for ia64 before assemble_end_function.
3078 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
3079 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
3081 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
3082 * unwind.h: Declare them.
3083 * libgcc-std.ver: Export them.
3084 * unwind-pe.h: New file.
3086 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3088 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
3090 (find_fde_for_dso): Extract DT_PLTGOT.
3091 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
3092 the segment and gp as well.
3093 * config/ia64/frame-ia64.c: Remove file.
3094 * config/ia64/frame-ia64.h: Remove file.
3095 * config/ia64/unwind-ia64.c: New file.
3096 * config/ia64/unwind-ia64.h: New file.
3097 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
3098 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
3099 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
3100 (ASM_PREFERRED_EH_DATA_FORMAT): New.
3101 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
3102 (IA64_UNWIND_INFO): Re-enable.
3103 (HANDLER_SECTION): Remove.
3104 (EH_RETURN_DATA_REGNO): New.
3105 * config/ia64/ia64.md (exception_receiver): Remove.
3106 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
3107 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
3109 2001-05-11 Richard Henderson <rth@redhat.com>
3111 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
3112 calls and jumps to be bundled together.
3113 (ia64_reorg): Emit a break after a noreturn call that ends
3115 * config/ia64/ia64.md (break_f): New.
3117 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3119 * c-lex.c (lex_charconst): Convert into a simple wrapper
3120 around cpp_interpret_charconst, to which most of the code
3122 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
3123 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
3124 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
3125 (lex): Use cpp_interpret_charconst.
3126 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
3127 hex_digit_value): New functions.
3128 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
3129 * cpplib.h (cpp_interpret_charconst): New prototype.
3130 * Makefile.in: Update.
3132 2001-05-12 Dean Wakerley <dean@wakerley.com>
3134 * doc/install.texi: New file. Converted to texinfo from the HTML
3135 documentation in wwwdocs/htdocs/install.
3137 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
3139 * gcse.c (insert_insn_end_bb): Do not search for assignments to
3140 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3142 * toplev.c (compile_file): Move comment for opening output
3143 file to just before the code that opens the output file.
3145 2001-05-11 Jakub Jelinek <jakub@redhat.com>
3147 * regmove.c (regmove_optimize): Suppress the optimization for
3148 unchanging destination register. Add comment above function.
3150 2001-05-11 Zack Weinberg <zackw@stanford.edu>
3152 * Makefile.in: Exterminate all references to assert.h.
3153 * cross-make: Likewise.
3155 * configure.in: Correct commentary.
3156 * configure: Regenerate.
3158 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
3161 * config/t-freebsd, config/t-linux, config/t-linux-aout,
3162 config/t-netbsd, config/t-rtems, config/x-linux,
3163 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
3164 No need to override INSTALL_ASSERT_H.
3166 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
3167 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
3168 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
3170 2001-05-11 Graham Stott <grahams@redhat.com>
3172 * combine.c (simplify_comparison): Fix typo.
3174 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3176 * loop.h (struct movables): Remove `num'.
3177 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
3178 Adjust call to strength_reduce.
3179 (num_unmoved_movables): New function.
3180 (move_movables): Don't set movables->num.
3181 (strength_reduce): Compute the number of instructions in the loop
3182 here, rather than in the caller.
3183 (check_dbra_loop): Always clear reversible_mem_store if there
3184 are any memory sets.
3185 (loop_regs_scan): Don't count instructions here.
3186 (count_insn_in_loop): New function.
3188 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3190 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
3192 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
3194 * c-common.c (finish_label_expr): New function, lifted from
3195 from cp/semantics.c.
3196 * c-common.h (finish_label_expr, lookup_label): New prototypes.
3197 * c-parse.in: Move 3 blocks of parser code into new functions.
3198 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
3199 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
3200 (lookup_label): Remove.
3202 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
3204 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
3205 FLOAT_BIT_ORDER_MISMATCH.
3207 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3209 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
3210 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
3212 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3214 * expr.c (emit_group_load): extract_bit_field requires a REG or
3217 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
3219 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
3220 a computed jump into an unconditional jump.
3221 In second hunk of code for collapsing computed and conditional jumps
3222 into unconditional jumps, reemit the jump in additional cases.
3224 * jump.c (jump_optimize_1): Do not wrap the new jump target
3225 inside a LABEL_REF; gen_jump will do that automatically.
3227 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
3229 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
3230 contents for a SYMBOL_REF in case of floating point constants.
3232 2001-05-10 DJ Delorie <dj@redhat.com>
3234 * c-common.c (combine_strings): Widen strings in a
3235 host-endian-independent way.
3237 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
3239 * c-parse.in: Remove many shift/reduce conflicts. Update
3241 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
3242 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
3243 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
3244 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
3245 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
3246 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
3247 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
3248 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
3249 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
3250 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
3251 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
3252 typespec_reserved_nonattr, typespec_reserved_attr,
3253 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
3254 structsp_nonattr, components_notype, component_notype_declarator,
3255 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
3256 firstparm, setspecs_fp): New
3257 (typed_declspecs, reserved_declspecs, typed_typespecs,
3258 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
3259 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
3260 declmods_no_prefix_attr, nonempty_type_quals, structsp,
3261 type_quals): Remove. Users updated.
3262 (initdecls, notype_initdecls, after_type_declarator,
3263 parm_declarator, notype_declarator, absdcl1, components, ivars):
3264 Don't allow attributes at the start of a declarator; include them
3265 in the production containing the declarator instead. Always
3266 require type specifiers before trying to redeclare a typedef name.
3267 (typename): Allow for attributes but warn that they are ignored.
3268 (parmlist, firstparm, setspecs_fp): Include attributes in
3269 parmlist; suck them off the parser stack in firstparm using
3272 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
3274 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
3275 to determine if a block has an unconditional jump at its end.
3277 * jump.c (jump_optimize_1): When converting a conditional jump
3278 to an unconditional jump, build the jump using gen_jump instead
3279 of just modify operands in-place.
3281 2001-05-09 Zack Weinberg <zackw@stanford.edu>
3283 * cppinit.c (cpp_post_options): Shut off macro expansion if
3285 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
3286 IN_I directives only if the # is in column 1 and the directive
3287 name begins in column 2.
3288 * cppmain.c (scan_buffer): Insert a space between # and an
3289 identifier, when that identifier is a directive name.
3291 * tradcpp.c (struct file_buf): Add a pointer to the next entry
3292 in the header search path.
3293 (enum node_type): Add T_INCLUDE_NEXT.
3294 (directive_table): Add entry for include_next.
3295 (do_include_next): New function.
3296 (process_include): New routine, broken out of do_include.
3297 (finclude): Insert 'nhd' argument, to be copied into
3298 next_header_dir of the new buffer.
3299 (main): Adjust to match.
3300 * gsyslimits.h, limity.h: Un-indent #include_next.
3302 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
3304 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
3305 inclusion as a chapter of the GCC manual.
3306 * gcc.texi: Include objc.texi.
3307 * fdl.texi: Use @unnumberedsec for the addendum.
3308 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
3310 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3312 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
3314 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
3316 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
3317 handling of two-address insns.
3319 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
3321 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
3322 ../binutils/nm-new instead of ../binutils/nm.
3324 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3326 * i386.md (movdi splitter): Fix the splitting condition
3327 (float_extenddftf splitter): Fix mode.
3329 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3331 * genrecog.c (write_switch): Avoid outputting of switch for
3332 types wider than int.
3334 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
3336 * reload1.c (copy_eh_notes): New function.
3337 (emit_input_reload_insns): Call it.
3338 (emit_output_reload_insns): Call it.
3340 2001-05-07 Zack Weinberg <zackw@stanford.edu>
3342 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
3344 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
3345 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
3347 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
3349 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
3351 * pa.md (interspace_jump): Revise comment.
3352 (builtin_longjmp): Block initial setup insns from delay slot of
3354 (builtin_setjmp_receiver): New expander to save and restore PIC
3357 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
3359 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
3361 * toplev.c (compile_file): Set up the output file before we call
3362 the various initializers for the compiler.
3364 * except.c (sjlj_mark_call_sites): Do not search for assignments to
3365 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3367 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
3368 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
3370 2001-05-06 Zack Weinberg <zackw@stanford.edu>
3372 * Makefile.in (tradcpp0): Correct typo in dependency list.
3374 2001-05-06 Geoff Keating <geoffk@redhat.com>
3376 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
3377 the link register if we're not going to use it.
3379 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
3380 (output_function_profiler): Likewise.
3382 2001-05-07 Alan Modra <amodra@one.net.au>
3384 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
3386 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
3388 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
3389 zero-extend it. Make abs_inc unsigned.
3391 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
3392 widest mode in narrowing and widening operations.
3394 * config/mips/mips.md: Sign extend CONST_INTs.
3396 2001-05-06 Andreas Jaeger <aj@suse.de>
3398 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
3399 (i386 Options): Document -momit-leaf-frame-pointer.
3401 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
3403 * c-typeck.c (internal_build_compound_expr): Check for
3404 array to pointer conversion just once.
3406 2001-05-05 Richard Henderson <rth@redhat.com>
3408 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
3410 2001-05-05 Richard Henderson <rth@redhat.com>
3412 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
3413 to the parent of the fixup region.
3415 2001-05-05 Jakub Jelinek <jakub@redhat.com>
3417 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
3419 * cpp.texi (__NO_INLINE): Document it.
3421 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
3423 * cppfiles.c (struct include_file): New member err_no.
3424 (find_or_create_entry): Set it.
3425 (open_file): Don't set fds to -2. Instead, use err_no to
3426 remember previous errors, if any.
3428 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3430 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
3431 between X and Y by using sequences of xgdx and xgdy.
3433 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3435 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
3436 of '!' for the 'D' alternative ('!' is too strong).
3437 ("*logicalsi3_silshl16"): Likewise.
3438 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
3439 ("movstrictsi"): Remove spurious '+'.
3440 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
3441 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
3442 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
3445 2001-05-04 David Edelsohn <edelsohn@gnu.org>
3447 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
3449 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
3451 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
3454 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3456 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
3459 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3461 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
3462 soft register, use ror instead of rol.
3464 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3466 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
3467 into account pre/post increment decrement for 68HC12.
3468 Fix other problems in replacement and fix call to reg_mentioned_p.
3470 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3472 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
3473 Put the soft registers in bss for 68HC12.
3474 (L_regs_d3_4): New for _.d3 and _.d4.
3475 (L_regs_d5_6): Likewise.
3476 (L_regs_d1_2): Likewise.
3477 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
3479 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3481 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
3482 to the pre-processor when -fshort-double is specified.
3483 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
3485 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3487 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
3488 (__mulsi3): Rewrite for 68HC12.
3489 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
3490 Mark 'x' constraint with earlyclobber to prevent a
3491 RELOAD_FOR_OTHER_ADDRESS to go in it.
3492 (mulhi3_m68hc12): New pattern.
3493 (mulhi3_m68hc11): Rename of mulhi3.
3494 (mulhi3): New expand for 68HC12 optimisation.
3495 (umulhisi3, mulhisi3): New patterns for 68HC12.
3497 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3499 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
3500 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
3501 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
3503 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3505 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
3506 constants cheap after reload.
3507 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
3509 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
3510 so that gcc prefers a shift by 16.
3511 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
3513 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
3515 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
3517 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3519 * alpha.h: NULL_PTR -> NULL.
3526 * i386.md: Likewise.
3529 * m68hc11.h: Likewise.
3530 * rs6000.h: Likewise.
3533 * sparc.h: Likewise.
3537 * final.c: Likewise.
3539 * recog.c: Likewise.
3541 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3543 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
3544 `bool' parameter to `int'.
3546 * hash.c (hash_lookup): Likewise.
3548 * hash.h (hash_lookup): Likewise.
3550 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3552 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3554 * i386.c (x86_initialize_trampoline): Fix mode of constant.
3556 2001-05-03 Geoff Keating <geoffk@redhat.com>
3558 * invoke.texi (i386 Options): Delete references to -malign-jumps,
3559 -malign-loops, -malign-functions.
3560 * i386.c (ix86_align_funcs): Delete.
3561 (ix86_align_loops): Delete.
3562 (ix86_align_jumps): Delete.
3563 (override_options): Mark -malign-* as obsolete. Emulate their
3564 behaviour with the -falign-* options. Default -falign-* from
3565 the processor table.
3566 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
3567 patch of Wed May 2 13:09:36 2001.
3568 (LOOP_ALIGN): Delete.
3569 (LOOP_ALIGN_MAX_SKIP): Delete.
3570 (LABEL_ALIGN_AFTER_BARRIER): Delete.
3571 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
3573 2001-05-04 Andreas Jaeger <aj@suse.de>
3575 * except.h: Add prototype declaration for
3576 expand_builtin_init_dwarf_reg_sizes.
3578 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
3580 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
3582 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3584 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
3586 ("bitcmpqi2"): New pattern for bit-extract and test.
3587 ("bitcmphi"): New pattern for bitb/bita instructions.
3589 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
3591 * gccbug.in: Use a temporary directory when the mktemp command is
3594 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3596 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
3598 (INITIALIZE_TRAMPOLINE): Call it.
3599 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
3600 (TRAMPOLINE_TEMPLATE): Remove.
3601 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
3602 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
3605 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3607 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
3608 and crtendS.o with PIC.
3610 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3612 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
3614 (___subdi3, ___adddi3): Use x instead of y as index register.
3615 (__init_bss_section, __map_data_section): Optimize for 68HC12.
3616 (__memset, __memcpy): Likewise.
3617 (regs): Put the soft registers in bss for 68HC12.
3618 (abort): Use trap to abort for 68hc12.
3619 (__mulhi3, __mulhi32): Use emul for 68hc12.
3620 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
3622 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3624 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
3625 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
3626 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
3627 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
3628 Set 68HC12 min offset to -65536.
3629 (print_operand): Put parenthesis arround the operand if it refers
3630 to a symbol having the same name as a register.
3631 (m68hc11_z_replacement): When z register is replaced by its
3632 equivalent soft register, force the insn to be re-recognized.
3633 (m68hc11_check_z_replacement): Fix the test when destination is
3634 the index register and z dies in the insn.
3635 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
3637 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3639 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
3640 costs according to processor variant.
3641 (m68hc11_shift_cost): New function to compute shift costs.
3642 (m68hc11_rtx_costs): Define costs according to processor variant.
3643 (m6811_cost): Costs for 68HC11.
3644 (m6812_cost): Costs for 68HC12.
3645 (COSTS_N_INSNS): Remove.
3647 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
3648 (DEFAULT_RTX_COSTS): Remove.
3649 (CONST_COSTS): Define costs according to OUTER_CODE.
3650 (processor_costs): New struct to define costs.
3651 (m68hc11_cost): Pointer to current costs.
3653 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3655 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
3656 and use m68hc11_notice_keep_cc when using leax/leay.
3657 (addhi3 split): Reject split if the insn is handled by
3659 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
3660 push must be handled in a special way if the source operand uses
3661 sp as index register.
3662 (m68hc11_notice_keep_cc): New function.
3663 (m68hc11_gen_movhi): Use it when an insn changes a register but
3665 (m68hc11_gen_movqi): Fix move for 68HC12.
3666 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
3668 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3670 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
3671 and don't pass operands[0] to emit_library_call_value.
3673 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3675 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
3676 (zero_extendsi split): Simplify and use (zero_extendhi).
3677 (*addhi3): Remove 'w' constraint since stack pointer is handled
3679 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
3680 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
3681 (*ashrhi3_const): Fix shift by 7.
3682 (*lshrsi3_const16): Fix template.
3683 (call, call_value): Fix constraint and predicate.
3685 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3687 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
3688 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
3689 (CC_REGNUM): Likewise.
3690 (*unnamed splits): Use above constants instead of hard coded numbers.
3691 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
3692 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
3693 (*return_16bit, *unnamed peepholes): Likewise.
3695 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3697 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
3698 rs6000/rs6000.h twice.
3700 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
3702 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
3703 (CPP_SPEC): Conditionally define MSDOS and GO32.
3704 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
3705 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
3707 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
3709 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3711 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
3713 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3715 * integrate.h (struct inline_remap): Add leaf_reg_map table.
3716 * integrate.c (expand_inline_function): Use xcalloc to allocate
3718 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
3721 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3723 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
3726 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3728 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
3729 linker if -mrelax is given.
3730 (TARGET_SWITCHES): Document -mrelax.
3732 Re-installed 2001-01-09's patch:
3733 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3734 if it's wider than long and the target's long is wider than the
3737 2001-05-02 David O'Brien <obrien@FreeBSD.org>
3739 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
3740 directly include rs6000/rs6000.h. Instead do it in tm.h.
3742 2001-05-02 Stan Shebs <shebs@apple.com>
3744 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
3745 NSConstantString for NeXT-style runtimes.
3746 (STRING_OBJECT_GLOBAL_NAME): New macro.
3747 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
3748 OCTI_STRING_CLASS_DECL.
3749 (constant_string_global_id): New macro.
3750 (string_class_decl): Ditto.
3751 (setup_string_decl): New function.
3752 (build_objc_string_object): Use it to build a NeXT runtime
3753 compatible string initializer.
3755 2001-05-02 Jakub Jelinek <jakub@redhat.com>
3757 * tradcpp.c (do_define): Make sure we don't walk past limit.
3759 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3761 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
3762 offsets if not REG_OK_STRICT.
3764 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
3765 (INT_REG_OK_FOR_INDEX_P): Likewise.
3766 (INT_REG_OK_FOR_BASE_P): Likewise.
3767 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
3768 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
3769 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
3770 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
3771 REG_OK_FOR_BASE_P. Take an additional parameter.
3772 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
3773 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
3774 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
3775 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
3776 rs6000_legitimate_address() and use it.
3777 * config/rs6000/rs6000.c: Update all callers.
3778 (rs6000_legitimate_address): New function.
3780 2001-05-02 David Edelsohn <edelsohn@gnu.org>
3782 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
3783 special_constant conditional blocks together.
3785 2001-05-02 Dale Johannesen <dalej@apple.com>
3787 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
3789 (STRICT_ARGUMENT_NAMING): Define.
3790 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
3791 function_arg_partial_nregs, setup_incoming_varargs): Remove
3792 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
3795 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3797 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
3799 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
3802 * expr.c (store_field): Do nothing except elaborate side-effects if
3805 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3807 * c-lex.c: NULL_PTR -> NULL.
3809 * emit-rtl.c: Likewise.
3811 * genpeep.c: Likewise.
3813 * mips-tdump.c: Likewise.
3814 * reload1.c: Likewise.
3815 * rtlanal.c: Likewise.
3817 * stor-layout.c: Likewise.
3818 * toplev.c: Likewise.
3820 2001-05-01 Per Bothner <per@bothner.com>
3822 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
3823 call do_pending_stack_adjust before emiting label.
3825 2001-05-01 Mark Mitchell <mark@codesourcery.com>
3827 * extend.texi: Fix typo.
3829 2001-05-01 Stan Shebs <shebs@apple.com>
3831 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
3832 of UOBJC_MODULES_decl.
3833 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
3834 (generate_descriptor_table): Ditto.
3835 (generate_protocols): Ditto.
3836 (generate_protocol_list): Ditto.
3837 (generate_classref_translation_entry): Ditto.
3839 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
3841 * invoke.texi (Optimize Options): Add documentation for `--param
3842 max-delay-slot-insn-search' and `--param
3843 max-delay-slot-live-search' and reorder --param section.
3844 * params.def: Modify initial comment.
3845 * params.h (param_info): Add `help' member.
3846 * toplev.c (lang_independent_params): Include `help' description.
3847 (display_help): Print --param parameters.
3849 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3851 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
3852 Remove references to deleted files.
3853 (*-*-openbsd): No need to override xmake_file.
3854 (*-*-sysv4): Treat like *-*-sysv.
3856 * configure.in: Probe for ldopen in various places, and set up
3857 collect2 to be linked with them if found.
3858 Don't dink with Windows registry stuff unless $host_os is a
3859 Win32 os name. Check to see if we need -ladvapi32.
3860 * configure: Regenerate.
3862 * Makefile: Get rid of CLIB and HOST_CLIB.
3863 Substitute in COLLECT2_LIBS and link collect2 against its contents.
3864 * build-make: Get rid of HOST_CLIB.
3866 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
3867 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3868 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3869 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
3870 config/rs6000/x-rs6000: Delete.
3872 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
3875 24 x-host fragments remain, 0 x-cpu, 3 top level.
3877 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3879 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
3880 * configure: Regenerate.
3882 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
3884 * Makefile.in (install-headers): Remove redundant dependency.
3886 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
3888 * c-tree.texi (USING_STMT): Document.
3890 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3892 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
3893 * c-common.c: Likewise.
3894 * c-decl.c: Likewise.
3895 * combine.c: Likewise.
3896 * rs6000.c: Likewise.
3897 * except.c: Likewise.
3898 * explow.c: Likewise.
3900 * fold-const.c: Likewise.
3901 * function.c: Likewise.
3904 * integrate.c: Likewise.
3906 * objc/objc-act.c: Likewise.
3907 * recog.c: Likewise.
3908 * reg-stack.c: Likewise.
3909 * reload.c: Likewise.
3910 * reload1.c: Likewise.
3911 * simplify-rtx.c: Likewise.
3913 * varasm.c: Likewise.
3915 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
3917 * diagnostic.def: New file.
3918 * diagnostic.h (diagnostic_t): New enum.
3919 * Makefile.in (diagnostic.o): Depend on diagnostic.def
3921 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3923 * tsystem.h: Test only POSIX for availability of string.h
3925 * config.gcc (all systems): If USG appeared in xm_defines,
3926 change it to POSIX. If both USG and POSIX appeared, just
3927 delete USG. Remove unnecessary quotes around xm_defines
3929 (m68k-crds-unos*): Don't #define unos - tested nowhere.
3930 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
3931 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
3932 powerpc-*-linux*): No need to set xm_defines - handled by
3933 global settings for *-*-linux*.
3935 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3937 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
3938 Always include gstab.h, not system stab.h. Don't provide
3939 default definitions of N_CATCH or N_OPT. Always use the
3940 gstab.h variant of STAB_CODE_TYPE.
3941 * final.c: Don't include stab.h/gstab.h at all, or provide
3942 defaults for N_SLINE and N_SOL.
3944 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
3945 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
3947 * sdbout.c: Always include gsyms.h instead of system syms.h.
3949 * configure.in: No need to check for stab.h.
3950 * configure, config.in: Regenerate.
3951 * Makefile.in (final.o): Don't depend on gstab.h.
3953 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3954 Richard Henderson <rth@redhat.com>
3956 * extend.texi: Improve documentation of volatile asms.
3958 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3960 * c-tree.texi: Fix thinko.
3961 * gcc.texi: Likewise.
3963 2001-04-30 Richard Henderson <rth@redhat.com>
3965 * c-common.c (c_promoting_integer_type_p): New function, from the
3966 corpse of old macro. Properly promote too-small enumerations and
3967 booleans. Adjust all callers.
3968 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
3969 (c_promoting_integer_type_p): Declare.
3970 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
3971 * c-typeck.c: Likewise.
3972 (default_conversion): Remove now redundant boolean check.
3974 2001-04-30 Jan Hubicka <jh@suse.cz>
3975 Richard Henderson <rth@redhat.com>
3977 * regmove.c (try_apply_stack_adjustment): Remove now redundant
3979 (combine_stack_adjustments_for_block): Don't combine stack
3980 allocation followed by deallocations. Handle grow-up stacks.
3982 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3984 * fdl.texi: New file.
3985 * c-tree.texi: Use the GFDL.
3986 * gcc.texi: Likewise.
3988 2001-04-30 Stan Shebs <shebs@apple.com>
3990 * invoke.texi: Add a section documenting Objective-C options.
3992 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
3994 * emit-rtl.c (try_split): Copy EH notes to sequence.
3996 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3998 * regmove.c (record_stack_memrefs): Catch all references to the
4001 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
4003 * Makefile.in (stmp-fixinc): quote shell assignment values
4005 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4007 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
4011 * prefix.c: Likewise.
4013 2001-04-28 Stan Shebs <shebs@apple.com>
4015 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
4016 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
4017 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
4018 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
4020 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
4021 (NEXT_OBJC_RUNTIME): Define.
4023 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4025 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
4026 * simplify-rtx.c (simplify_gen_relational): Likewise.
4028 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
4030 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
4031 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
4033 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
4034 registers in SSE case; fix handling of the immediates.
4035 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
4036 operands to be in regsiters before reload.
4037 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
4038 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
4039 (abstf,absxf,negtf,negxf splitters): Compute
4040 properly the regnum for x86_64.
4041 (avsdf2_if_rex64): New.
4043 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
4045 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
4046 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
4047 into the constant pool.
4048 * jump.c (jump_optimize_1): Remove barrier successors after all
4049 the LABEL_NUSES counds have been computed.
4050 (delete_barrier_successors): When deleting a tablejump insn, also
4051 delete the jump table it uses.
4052 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
4055 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
4057 * pa.c (FRP): Remove erroneous white space in macro definition.
4059 2001-04-28 Andreas Jaeger <aj@suse.de>
4061 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
4063 * extend.texi: Likewise.
4064 * tm.texi: Likewise.
4066 2001-04-28 Andreas Jaeger <aj@suse.de>
4068 * md.texi: Use XX-bit instead of XXbit or XX bit where
4071 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
4073 * gcc.c (process_command): Allow -l lib in addition to -llib
4074 for POSIX compliance. This fixes PR c/2347.
4076 * invoke.texi: Update section on Link Options accordingly.
4078 2001-04-27 Zack Weinberg <zackw@stanford.edu>
4080 * function.c (purge_addressof_1): Remove the duplicate
4081 if (code == SET) block. Fold the two if (code == ADDRESSOF)
4084 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
4086 * except.c (expand_eh_region_start): Don't start a new block.
4087 (expand_eh_region_end): Don't end a block.
4088 * stmt.c (expand_end_bindings): Don't end EH blocks.
4089 (expand_decl_cleanup): Starting an EH region won't change the block.
4090 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
4091 (is_eh_region): Lose.
4094 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
4096 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
4098 * collect2.c (main): Add `-L' case to remove duplicate entries.
4099 (is_in_args): New function to check for a duplicate argument.
4100 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
4101 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
4102 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
4103 Define to be nonzero.
4105 2001-04-27 Andreas Jaeger <aj@suse.de>
4106 Richard Henderson <rth@redhat.com>
4108 * md.texi (Machine Constraints): Document additional i386
4109 constraints and fix description of "A".
4111 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
4113 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
4115 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
4117 * except.c (get_exception_filter): word_mode, not Pmode.
4119 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
4121 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
4122 common to other movsf patterns. Move up so that in future
4123 people who change the other patterns will change it too.
4124 (movsf_lo_sum): Allow even for soft-float; add appropriate
4126 (movsf_high): Likewise.
4127 (movsf_high+1): Allow even for soft-float.
4129 * function.c (expand_function_end): Always clobber the
4130 return registers, even if there is no return label.
4132 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4134 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
4136 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
4138 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
4139 (pushqi2_rex64, pushhi2_rex64): Add.
4141 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
4143 * except.c (expand_eh_region_end_cleanup): Force pending stack
4144 adjust before emitting label that branches around cleanup code.
4146 2001-04-26 H.J. Lu (hjl@gnu.org)
4148 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
4150 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
4152 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
4153 (ASM_OUTPUT_SECTION_NAME): Likewise.
4154 (ASM_WEAKEN_LABEL): Likewise.
4155 (UNIQUE_SECTION): Likewise.
4156 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4157 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4158 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
4159 (ASM_OUTPUT_SECTION_NAME): Likewise.
4160 (ASM_WEAKEN_LABEL): Likewise.
4161 (UNIQUE_SECTION): Likewise.
4162 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4163 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4164 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
4165 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
4166 (ASM_FILE_START): Likewise.
4167 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4168 (ASM_DECLARE_OBJECT_NAME): Likewise.
4169 (ASM_FILE_END): Likewise.
4170 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4171 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4172 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4173 (ASM_OUTPUT_CASE_LABEL): Likewise.
4174 (ASM_OUTPUT_SKIP): Likewise.
4175 (ASM_OUTPUT_ASCII): Likewise.
4176 (ASM_OUTPUT_IDENT): Likewise.
4177 (READONLY_DATA_SECTION): Likewise.
4178 (EXTRA_SECTIONS): Likewise.
4179 (EXTRA_SECTION_FUNCTIONS): Likewise.
4180 (SELECT_RTX_SECTION): Likewise.
4181 (SELECT_SECTION): Likewise.
4183 * config/mips/linux.h (INVOKE__main): Undefine.
4184 (CTOR_LIST_BEGIN): Likewise.
4185 (CTOR_LIST_END): Likewise.
4186 (DTOR_LIST_BEGIN): Likewise.
4187 (DTOR_LIST_END): Likewise.
4188 (SET_ASM_OP): Defined it to ".dummy".
4189 (ASM_OUTPUT_DEF): Defined.
4190 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
4192 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
4194 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
4195 assembler supports .p2align.
4197 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
4199 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
4201 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4203 * integrate.c (expand_inline_function): Check for error_mark_node
4206 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4208 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
4211 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
4213 * configure.in (configargs.h): Define thread_model.
4214 * configure: Rebuilt.
4215 * gcc.c (main): Print it with -v.
4217 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
4219 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
4220 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
4221 * gcc.1: Regenerate.
4223 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4225 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
4226 is_redundant_typedef): Use static inline instead of inline static.
4228 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
4230 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
4231 this directory is always searched.
4233 2001-04-25 Richard Henderson <rth@redhat.com>
4235 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
4236 of registers to restore along non eh_return path.
4238 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4240 * c-format.c (check_format_info_recurse): Handle
4241 PLUS_EXPR for format string.
4243 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4245 * config/ia64/ia64.h (CC1_SPEC): Define.
4246 * config/ia64/linux.h (CC1_SPEC): Define.
4248 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
4250 * emit-rtl.c (constant_subword): Also do sign extension in
4251 BITS_PER_WORD == 16 case.
4253 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
4255 * loop.c (try_swap_copy_prop): Go back to checking insn.
4257 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4259 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
4260 if check_mode is non-zero.
4262 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4264 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
4265 out and comparison sequence has been detected, put result into
4266 proper temporary pseudo.
4268 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4270 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
4271 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
4272 * libgcc2.c: Remove __dummy and __builtin_saveregs.
4273 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
4274 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
4275 for future reference.
4277 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
4279 * except.c (reachable_handlers): Step out one level from a RESX.
4281 * except.c (struct eh_region): Rename 'last' to 'resume'.
4282 (mark_eh_region, duplicate_eh_region_1): Adjust.
4283 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
4284 (build_post_landing_pads): Likewise.
4285 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
4286 (expand_eh_region_end_must_not_throw): Likewise.
4287 (connect_post_landing_pads): Thread (only) regions with non-deleted
4290 * except.c (expand_eh_region_end_cleanup): Save the EH return data
4291 registers around the cleanup.
4292 (get_exception_filter): New fn.
4293 (finish_eh_generation): Use it.
4295 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
4297 * c-semantics.c (add_scope_stmt): Don't call
4298 current_scope_stmt_stack multiple times.
4300 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4301 Nathan Sidwell <nathan@codesourcery.com>
4303 Lazy __FUNCTION__ generation.
4304 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
4305 RID_C99_FUNCTION_NAME): New _RIDs.
4306 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
4307 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
4308 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
4310 (function_id_node, pretty_function_id_node, func_id_node): Remove.
4311 (c99_function_name_decl_node, function_name_decl_node,
4312 pretty_function_name_decl_node, saved_function_name_decls):
4314 (struct language_function): Remove x_function_name_declared_p.
4315 (make_fname_decl): Remove a parameter.
4316 (declare_function_names): Remove prototype.
4317 (start_fname_decls, finish_fname_decls): Prototype.
4318 (fname_as_string): Likewise.
4319 (fname_string, fname_decl): Likewise.
4320 * c-common.c (make_fname_decl): Adjust.
4321 (struct fname_var_t): New struct.
4322 (fname_vars): New static array.
4323 (declare_function_name): Remove.
4324 (start_fname_decls, finish_fname_decls): New functions.
4325 (fname_as_string): New function from remnants of
4326 declare_function_name.
4327 (fname_string, fname_decl): New functions.
4329 * c-decl.c (c_function_name_declared_p): Remove.
4330 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
4331 don't call declare_function_name. Call start_fname_decls.
4332 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
4333 clobber the line number. Call finish_decl.
4334 (start_function): Call start_fname_decls.
4335 (finish_function): Call finish_fname_decls.
4336 Remove c_function_name_declared_p.
4337 (push_c_function_context): Don't push c_function_name_declared_p.
4338 (pop_c_function_context): Don't pop c_function_name_declared_p.
4339 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
4340 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
4341 (program): Call finish_fname_decls for C.
4342 (primary): Add VAR_FUNC_NAME.
4343 (reswords): Add slots for __FUNCTION__ et al.
4344 (rid_to_yy): Add mappings for __FUNCTION__ et al.
4345 (yylexname): If it's a STRING_FUNC_NAME generate the function name
4346 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
4347 * c-semantics.c (prune_unused_decls): Remove.
4348 (finish_stmt_tree): Don't call prune_unused_decls.
4349 (genrtl_decl_stmt): Don't prune unused decls here.
4351 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
4353 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
4354 constant pool, use the pool's SYMBOL_REF instead.
4356 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
4359 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
4361 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
4362 passing nested NOP_EXPRs to fold.
4364 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
4366 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
4368 2001-04-22 Mark Mitchell <mark@codesourcery.com>
4370 * loop.c (loop_delete_insns): Add prototype.
4372 2001-04-23 Phil Edwards <pme@sources.redhat.com>
4374 * configure.in: Remove ENABLE_STD_NAMESPACE.
4375 * config.in: Regenerated.
4376 * configure: Regenerated.
4378 2001-04-22 Stan Shebs <shebs@apple.com>
4380 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
4382 * config/rs6000/xm-darwin.h: Remove file.
4384 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4386 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
4387 (write_c_file_stat): Likewise.
4389 * dbxout.c (dbxout_init): Likewise.
4391 * profile.c (output_func_start_profiler): Likewise.
4393 2001-04-22 Philipp Thomas <pthomas@suse.de>
4395 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
4396 require it instead of the CVS version.
4397 * cpperror.c (v_message): Put a blank before the macro
4398 body to not confuse exgettext.
4400 2001-04-21 Mark Mitchell <mark@codesourcery.com>
4402 * flow.c (proagate_one_insn): Remove useless assignment.
4403 * jump.c (delete_insn): Tidy.
4404 * loop.c (try_copy_prop): When deleting an instruction with a
4405 REG_RETVAL note, delete the entire libcall sequence.
4406 (loop_delete_insns): New function.
4407 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
4408 we're not substituting into them yet.
4410 2001-04-21 Kazu Hirata <kazu@hxi.com>
4412 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
4414 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
4416 * config/i960/i960.c (signed_arith_operand): Likewise.
4418 * calls.c (expand_call): Fix a comment typo.
4420 2001-04-20 Zack Weinberg <zackw@stanford.edu>
4422 * configure.in: Probe for times, clock, struct tms, and clock_t.
4423 * configure, config.in: Regenerate.
4424 * timevar.c: Replace ifdef forest in get_time with (relatively)
4425 straightforward series of checks based on autoconf's probes.
4427 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
4429 * config/pa/som.h (NM_FLAGS): Define.
4431 2001-04-20 Bernd Schmidt <bernds@redhat.com>
4433 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
4435 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
4436 * ia64.c (nop_cycles_until): New function.
4437 (prev_cycle, prev_first, last_issued): New static variables.
4438 (ia64_sched_reorder): Additional arg for clock.
4439 On final scheduling pass, emit extra NOPs as needed.
4440 Set prev_first and prev_cycle.
4441 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
4442 (ia64_variable_issue): Set last_issued.
4444 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
4446 * config/i386/i386.c (ix86_expand_int_movcc,
4447 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
4449 2001-04-20 Geoff Keating <geoffk@redhat.com>
4451 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
4452 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
4453 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
4454 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
4455 ctrdi_internal6): In the short-branch case, this insn is only 4
4456 bytes long. Reported by Reza Yazdani <reza@apple.com>.
4458 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4460 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
4461 "=u" is used together with "st" resp. "st(1)" clobber.
4463 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4465 * gcse.c (gcse_main): Fix comment typo.
4466 (delete_null_pointer_check): Likewise.
4467 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
4468 * cse.c (cse_insn): Likewise.
4469 * function.c (fixup_var_refs_insns_with_hash): The sequence is
4472 2001-04-19 Zack Weinberg <zackw@stanford.edu>
4474 * toplev.c: Excise all code for the undocumented -dm option.
4475 (float_signal): Call signal just once, unconditionally.
4477 2001-04-19 Geoff Keating <geoffk@redhat.com>
4479 * fold-const.c (fold): Use first_rtl_op rather than
4480 TREE_CODE_LENGTH when looping over parameters of a tree.
4481 Correct strange grouping in test for evaluated SAVE_EXPR.
4483 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
4485 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
4486 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
4488 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
4489 name at 32 total characters.
4490 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
4491 functions in named sections -- data items can still go into unique
4492 sections, but they have normal names (ie $LIT$ and $DATA$).
4494 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
4497 2001-04-19 DJ Delorie <dj@redhat.com>
4499 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4500 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
4501 * config/i386/cygwin.h: Likewise.
4502 * config/i386/mingw32.h: Likewise.
4503 * config/vax/vms.h: Likewise.
4504 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
4506 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4507 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
4508 * config/i386/xm-cygwin.h: Likewise.
4509 * config/i386/xm-djgpp.h: Likewise.
4510 * config/i386/xm-mingw32.h: Likewise.
4511 * config/vax/xm-vms.h: Likewise.
4513 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
4514 instead of OBJECT_SUFFIX.
4515 * collect2.c (find_a_file): Look for files matching the extension
4516 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
4517 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
4518 TARGET_EXECUTABLE_SUFFIX.
4519 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
4520 (make_relative_prefix): Likewise.
4521 (convert_filename): Use TARGET_ suffixes throughout. Remove
4523 (process_command): Likewise.
4524 (do_spec_1): Likewise.
4525 * java/lang.c (init_parse): Likewise.
4527 * gcc.texi : Document four new options matching the pattern
4528 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
4529 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
4530 documentation for NO_AUTO_EXE_SUFFIX.
4532 2001-04-19 Mark Mitchell <mark@codesourcery.com>
4534 * toplev.h (struct lang_hooks): Allow decode_option to indicate
4535 that language-independent processing should not be done.
4536 * toplev.c (main): Adjust accordingly.
4538 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
4539 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
4541 * mips.md (reload_outputdi): Require that operand0 be a
4544 2001-04-19 Jakub Jelinek <jakub@redhat.com>
4546 * invoke.texi (-Wshadow): Clarify.
4548 2001-04-18 Mark Mitchell <mark@codesourcery.com>
4550 * loop.c (load_mems): Examine all the instructions in the loop
4551 before concluding that all jumps branch to the first instruction
4554 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
4556 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
4558 2001-04-18 Jakub Jelinek <jakub@redhat.com>
4560 * cpp.texi (-Wwhite-space): Remove.
4561 (-Wall): -Wall does not imply -Wwhite-space.
4563 2001-04-17 Zack Weinberg <zackw@stanford.edu>
4565 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
4566 use it instead of blindly generating a .stabs.
4567 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
4569 * xcoffout.c: Don't bother defining default for N_CATCH.
4570 (UNKNOWN_STAB): Use internal_error.
4571 (stab_to_sclass): Remove now-unnecessary aborts.
4572 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
4574 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
4576 * jump.c (mark_all_labels): Canonicalize the tail recursion
4577 label attached to CALL_PLACEHOLDER insns.
4579 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4581 * output.h (dump_flow_info, free_basic_block_vars,
4582 which_alternative): Delete redundant prototypes.
4584 * rtl.h (bss_section): Likewise.
4586 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
4588 * dbxout.c (N_OPT): Define if not available from <stab.h>
4590 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4592 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
4593 libraries and native K&R compilers.
4595 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4597 * c-typeck.c (convert_arguments): Don't check for width changes
4600 * invoke.texi (-Wtraditional): Update documentation.
4602 2001-04-16 Zack Weinberg <zackw@stanford.edu>
4604 * toplev.c (output_lang_identify): Delete.
4605 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
4606 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
4607 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
4608 after calling ASM_FILE_END.
4610 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
4611 Instead, unconditionally emit an N_OPT stab with string equal
4612 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
4614 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
4616 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
4617 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
4618 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
4619 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
4620 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
4621 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
4622 config/i370/i370.h, config/i386/beos-elf.h,
4623 config/i386/osf1elf.h, config/i386/osfrose.h,
4624 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
4625 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
4626 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
4627 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
4628 config/mips/iris6.h, config/mips/osfrose.h,
4629 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
4630 config/sparc/sp64-elf.h:
4631 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
4632 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
4634 * config/elfos.h, config/freebsd.h, config/linux.h,
4635 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
4636 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
4637 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
4638 of ASM_FILE_START which merely emit a .version directive. Delete
4639 definitions of ASM_FILE_END which merely emit an .ident directive.
4641 * config/avr/avr.h, config/vax/vax.h: Delete definition of
4642 ASM_IDENTIFY_GCC and move part of its logic into
4645 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
4646 config/sparc/linux-aout.h: Don't emit .version directive in
4649 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
4650 (output_file_start): Correct comment.
4652 * config/i386/osfrose.h: Don't emit trailing .ident directive.
4653 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
4655 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
4656 * config/rs6000/aix.h: Correct comment.
4658 * config/i386/i386afe.h: Delete.
4659 * config.gcc: Remove references to i386afe.h.
4661 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
4662 other macros deleted by this patch were undocumented.
4664 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
4666 * pa.md (reload_outdi): Operand 0 must be a non hard register.
4668 * pa.c (secondary_reload_class): SAR<->FP copies require a
4671 * install.texi (mips-mips-bsd): Update list of functions
4672 required to include memmove.
4673 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
4674 used functions to include memmove.
4676 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
4678 * i386.md (sqrtdf2): SFmode should be DFmode.
4680 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
4682 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
4683 (find_moveable_store): Likewise.
4685 2001-04-15 Jim Wilson <wilson@redhat.com>
4687 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
4689 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4691 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
4692 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
4694 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
4696 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
4699 2001-04-14 Alan Modra <amodra@one.net.au>
4701 * pa.c (force_mode): New function.
4702 (emit_move_sequence): Use it instead of generating new rtx_REGs.
4704 2001-04-13 Jim Wilson <wilson@redhat.com>
4706 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
4707 (first_instruction): New static variable.
4708 (rtx_needs_barrier): Return 1 for alloc.
4709 (init_insn_group_barriers): Set first_instruction.
4710 (rws_sum): Delete duplicate definition.
4711 (group_barrier_needed_p): Return 0 when first_instruction true.
4712 (safe_group_barrier_needed_p): Save and restore first_instruction
4713 around group_barrier_needed_p call.
4715 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
4717 * expr.h (enum libfunc_index): Add LTI_memmove.
4718 (memmove_libfunc): Define macro.
4719 * optabs.c (init_optabs): Initialize memmove_libfunc.
4720 * expr.c (expand_assignment): Use memmove_libfunc instead of
4723 2001-04-13 Alan Modra <alan@linuxcare.com.au>
4725 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
4728 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4730 * Makefile.in (reg-stack.o): Depend on reload.h.
4731 (insn-attrtab.o): Depend on flags.h.
4733 * genattrtab (main): Include flags.h in insn-attrtab.c.
4735 * reg-stack.c: Include reload.h.
4737 * sparc.h (flag_pic): Delete redundant declaration.
4739 * output.h (flag_pic): Likewise.
4741 * tree.h (pedantic): Likewise.
4743 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4745 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
4747 * jump.c, regmove.c, toplev.c: Include reload.h.
4749 * reload.h (reload_cse_regs): Declare.
4751 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
4752 reload_cse_regs, init_reload, mark_home_live, reload,
4753 init_caller_save): Delete redundant prototypes.
4755 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4757 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
4759 * regclass.c, ssa.c: Include expr.h.
4761 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
4762 gen_move_insn): Delete redundant declarations.
4764 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4766 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
4767 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
4768 MAKEINFO and MAKEINFOFLAGS too.
4769 (stage4_build): Correctly order -B flags.
4771 2001-04-13 Alan Modra <amodra@one.net.au>
4773 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
4774 PIC_OFFSET_TABLE_SAVE_RTX.
4775 (zdepi_cint_p): Describe zdepi insn.
4776 Formatting and white space fixes throughout file.
4778 * pa.c (uint32_operand): Don't use long constant >= 2^32.
4779 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
4780 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
4781 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
4782 (output_64bit_and): Use plain `int's for shift counts.
4783 (output_64bit_ior): Likewise.
4784 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
4785 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
4788 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
4789 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
4790 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
4791 NEW_HP_ASSEMBLER into one. Kill warnings.
4793 * pa-gas.h: Delete file.
4794 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
4795 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
4796 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
4797 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
4799 * config/pa/mill32.S: New file.
4800 * config/pa/mill64.S: New file.
4801 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
4802 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
4803 * config/pa/t-linux64: New file.
4804 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
4805 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
4806 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
4808 * elfos.h (SELECT_SECTION): Undef before defining.
4809 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
4810 (LIB_SPEC): Remove -lmilli.
4811 (DBX_REGISTER_NUMBER): Remove.
4812 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
4813 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
4814 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
4815 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
4816 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
4817 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
4818 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
4819 TARGET_GAS): Define.
4820 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
4821 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
4822 regs if we don't have a prototype.
4823 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
4824 * pa.h (TARGET_ELF32): Default to 0 if undefined.
4825 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
4826 EH_RETURN_HANDLER_RTX): Define.
4827 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
4828 (DWARF_FRAME_REGNUM): Define.
4829 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
4830 * pa32-linux.h: New file.
4831 * pa64-linux.h: New file.
4833 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4834 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
4835 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
4836 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
4837 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
4838 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
4839 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4840 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
4841 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
4842 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
4843 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4844 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
4845 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
4846 * pa64-hpux.h: New file.
4847 (ASM_FILE_START): Correct typo.
4848 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
4849 * config.gcc: Modify for above.
4851 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
4853 * jump.c (jump_optimize_1): Don't delete dead stores here.
4854 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
4855 prior to running jump optimize before cse2.
4857 2001-04-12 Richard Henderson <rth@redhat.com>
4859 * Makefile.in (regmove.o): Depend on except.h.
4860 * regmove.c: Include it.
4862 2001-04-12 Stan Shebs <shebs@apple.com>
4864 * objc/objc-act.c: Remove all code ifdefed with the never-used
4865 macro OBJC_INT_SELECTORS.
4866 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
4867 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
4869 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
4871 * config/pa/quadlib.c: Add prototypes.
4873 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4875 * bitmap.h (debug_bitmap): Delete redundant prototype.
4877 * rtl.h (get_frame_size): Likewise.
4879 2001-04-12 Jim Wilson <wilson@redhat.com>
4881 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
4882 to just emit an fnorm.
4884 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4886 * c-common.h (truthvalue_conversion, type_for_mode,
4887 type_for_size): Delete redundant declarations.
4889 * c-lex.h (is_class_name): Likewise.
4891 * c-tree.h (pedantic, convert, getdecls, gettags,
4892 global_bindings_p, init_decl_processing, insert_block,
4893 maybe_build_cleanup, poplevel, print_lang_decl,
4894 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
4895 set_block, incomplete_type_error, build_function_call,
4896 lvalue_or_else, mark_addressable): Likewise.
4898 * expr.h (expand_tree_builtin): Likewise.
4900 2001-04-12 Mark Mitchell <mark@codesourcery.com>
4902 * invoke.texi: Document --param max-gcse-memory.
4904 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4906 * configure.in (errno): Check for declaration.
4907 * configure, config.in: Regenerated.
4909 * system.h (errno): Only declare if not already done.
4911 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4913 * recog.c (general_operand, immediate_operand,
4914 nonmemory_operand): Require CONST_INTs to be sign-extended
4915 values for their modes.
4917 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4919 * expmed.c (store_bit_field): Truncate CONST_INTs.
4920 (expand_mult_highpart, expand_divmod): Likewise.
4921 * expr.c (convert_modes, store_field): Likewise.
4922 * integrate.c (expand_inline_function): Use promote_mode() to
4923 determine whether to convert_modes() an argument as signed
4925 * optabs.c (expand_binop): Get CONST_INT operands
4926 sign-extended for their appropriate modes.
4927 * stmt.c (emit_case_nodes): Convert node values to the
4929 (expand_end_case): Convert minval and range to the appropriate
4931 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
4932 the iteration variable.
4933 * varasm.c (immed_double_const): Don't require words to be
4934 narrower than host wide ints to properly sign-extend
4937 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
4939 * sh.md (builtin_setjmp_receiver): New expander.
4941 2001-04-12 David Edelsohn <dje@watson.ibm.com>
4943 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
4944 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
4945 for generating CONST_INT and CONST_DOUBLE.
4947 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4949 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
4950 already sign-extended.
4951 (rs6000_emit_prologue): Make register iterator signed.
4952 (rs6000_emit_epilogue): Likewise.
4953 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
4955 (movsf split, movdf split): Sign-extend CONST_INTs.
4956 (movdi splits): Likewise.
4958 2001-04-12 Kelley Cook <kelley.cook@home.com>
4960 * config-lang.in (lang_dirs): Add in zlib.
4962 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
4964 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
4965 operands that make it to RTL.
4967 2001-04-11 Stan Shebs <shebs@apple.com>
4969 Add Darwin (Mac OS X kernel) native support.
4970 * config.gcc (powerpc-*-darwin*): Add native bits.
4971 * config/darwin.c: New file, generic Darwin support functions.
4972 * config/darwin.h: New file, generic Darwin definitions.
4973 * config/darwin-protos.h: New file, generic Darwin prototypes.
4974 * rs6000/darwin.h: New file, Darwin for PowerPC.
4975 * rs6000/t-darwin: New file, Darwin makefile fragment.
4976 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
4977 (TARGET_MACHO): Ditto.
4978 (rs6000_abi): Add ABI_DARWIN.
4979 (RS6000_REG_SAVE): Add ABI_DARWIN case.
4980 (RS6000_SAVE_AREA): Ditto.
4981 (FP_ARG_MAX_REG): Ditto.
4982 (RETURN_ADDRESS_OFFSET): Ditto.
4983 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
4985 (rs6000_emit_move): Add ABI_DARWIN cases.
4986 (print_operand): Ditto.
4987 (first_reg_to_save): Ditto.
4988 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
4989 (debug_stack_info): Ditto.
4990 (rs6000_emit_prologue): Ditto.
4991 (rs6000_emit_epilogue): Ditto.
4992 (output_profiler_hook): Ditto.
4993 (output_function_profiler): Ditto.
4994 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
4995 (output_mi_thunk): Add TARGET_MACHO case.
4996 (add_compiler_stub): Ditto.
4997 (output_compiler_stub): Ditto.
4998 (no_previous_def): Ditto.
4999 (output_call): Ditto.
5000 (machopic_output_stub): Ditto.
5001 (rs6000_machopic_legitimize_pic_address): Ditto.
5002 (toc_section): Ditto.
5003 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
5004 (macho_high): Ditto.
5007 (load_macho_picbase): Ditto.
5008 (call): Add TARGET_MACHO case to modify function.
5009 (call_value): Ditto.
5010 (call_nonlocal_sysv): Add ABI_DARWIN case.
5011 (call_value_nonlocal_sysv): Ditto.
5012 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
5014 (machopic_output_stub): Ditto.
5015 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
5017 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5019 * dwarf2out.c (modified_type_die): Don't create new types here.
5020 * tree.h (get_qualified_type): New function.
5021 (build_qualified_type): Adjust comment.
5022 * tree.c (get_qualified_type): New function.
5023 (build_qualified_type): Use it.
5025 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5027 * cpp.texi (-Wtraditional): Update description.
5029 * invoke.texi (-Wtraditional): Likewise.
5031 2001-04-11 Jim Wilson <wilson@redhat.com>
5033 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
5034 requires more than 64 bits of alignment.
5036 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
5038 * cpplib.c (do_line): Sanity check iff enable checking.
5040 2001-04-11 Richard Henderson <rth@redhat.com>
5042 * Makefile.in (insn-recog.o): Depend on toplev.h.
5043 (insn-emit.o, doloop.o): Likewise.
5044 * genrecog.c, genemit.c: Include toplev.h in generated file.
5045 * doloop.c: Include toplev.h.
5047 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5049 * Makefile.in (gcse.o): Depend on params.h.
5050 * gcse.c: Include params.h.
5051 (gcse_main): Don't do GCSE if doing so will take inordinate
5053 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
5054 * params.h (MAX_GCSE_MEMORY): New macro.
5056 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5058 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
5060 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
5062 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5064 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
5066 * real.h (ereal_atof, real_value_truncate, target_isnan,
5067 target_isinf, target_negative, assemble_real, debug_real): Delete
5068 redundant prototypes.
5070 * Makefile.in (ifcvt.o): Depend on toplev.h.
5072 * c-semantics.c: Include expr.h.
5074 * ifcvt.c: Include toplev.h.
5076 * expr.h (rtx_equal_p): Delete prototype.
5078 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
5079 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
5080 eliminate_constant_term, expand_complex_abs, find_single_use,
5081 make_tree, init_expr_once, init_optabs, supports_one_only):
5084 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
5085 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
5086 expand_assignment, store_expr, emit_line_note_after,
5087 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
5089 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
5091 * sparc-protos.h: Delete redundant prototypes.
5093 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
5095 * reload.c (push_reload): Add condition missed in SUBREG byte
5098 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5100 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
5102 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
5104 * i386.md (floatsisf_sse): Fix output template
5105 * i386.c (ix86_expand_fp_movcc)
5107 * reg-stack.c (emit_pop_insn): Handle complex modes.
5108 (move_for_stack_reg): Emit proper move mode.
5109 (subst_stack_regs_pat): Handle complex modes.
5111 2001-04-11 Jakub Jelinek <jakub@redhat.com>
5113 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
5115 2001-04-10 Richard Henderson <rth@redhat.com>
5117 * libgcc2.h (__terminate_func_ptr): Remove typedef.
5118 (__pure_virtual, __terminate, __terminate_set_func,
5119 __default_terminate, __throw_type_match, __empty,
5120 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
5121 __eh_rtime_match, __unwinding_cleanup, __rethrow,
5122 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
5123 Remove prototypes of deleted functions.
5125 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5127 * c-typeck.c (convert_arguments): -Wtraditional now activates
5128 -Wconversion warnings, except for changes in signed-ness.
5129 Detect complex<->int & int<->complex conversions as well.
5131 * invoke.texi (-Wtraditional): Document it.
5133 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5135 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
5136 * flow.c (set_block_for_new_insns): Remove needless cast and
5137 properly check for unset block number.
5139 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
5141 * function.c (purge_single_hard_subreg_set): Only check REGNO if
5142 the subreg was a hard register. Pseudos are left as subregs.
5144 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5146 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
5147 (LIB2ADD_ST): New macro, pass it to mklibgcc.
5148 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
5149 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
5150 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
5152 2001-04-09 Bo Thorsen <bo@suse.co.uk>
5154 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
5156 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5158 * output.h (set_block_num): Missed it earlier, remove deprecated
5161 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5163 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
5164 (load_killed_in_block_p): Change bb parameter from int to basic_block.
5165 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
5166 (handle_rd_kill_set): Change bb parameter from int to basic_block.
5167 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
5168 (expr_killed_p): Change bb parameter from int to basic_block, pass
5169 basic_blocks instead of ints as parameters.
5170 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
5171 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
5172 from int to basic_block, pass basic_blocks instead of ints as parms.
5173 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
5174 parameter from int to basic_block, pass basic_blocks instead of ints.
5175 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
5176 (insert_insn_end_bb): Change bb parameter from int to basic_block,
5177 pass basic_blocks instead of ints.
5178 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
5179 basic_blocks instead of ints as parameters.
5180 (pre_delete): Pass basic_blocks instead of ints as parameters.
5181 (hoist_expr_reaches_here_p): Change bb parameter from int to
5182 basic_block, pass basic_blocks instead of ints.
5183 (hoist_code): Pass basic_blocks instead of ints as parameters.
5184 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
5185 Change bb parameter from int to basic_block.
5186 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
5187 (insert_insn_start_bb): Change bb parameter from int to basic_block,
5188 pass basic_blocks instead of ints.
5189 (insert_store): Pass basic_blocks instead of ints as parameters.
5190 (replace_store_insn, delete_store): Change bb parameter from int to
5191 basic_block, pass basic_blocks instead of ints.
5192 (store_motion): Pass basic_blocks instead of ints as parameters.
5194 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5196 * basic-block.h (set_new_block_for_insns): New Prototype.
5197 (set_block_num): Delete prototype.
5198 * flow.c (set_block_num): Remove obsolete function.
5199 (set_block_for_new_insns): Set BB for single or multiple insns.
5200 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
5201 (process_insn_end_bb): Use set_block_for_new_insns or
5202 set_block_for_insn instead of set_block_num.
5203 (pre_insert_copy_insn): Use set_block_for_new_insns.
5204 (update_ld_motion_stores): Use set_block_for_new_insns.
5205 (insert_insn_start_bb): Use set_block_for_new_insns.
5206 (replace_store_insn): Use set_block_for_new_insns.
5208 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5209 Jeff Law <law@redhat.com>
5211 * alias.c (get_addr): Externalize.
5212 (canon_true_dependence): New function. Behaves like true_dependance
5213 except it already assumes a MEM has been canonicalized.
5214 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
5215 * gcse.c (struct ls_expr): Add load/store expressions structure.
5216 (modify_mem_list, canon_modify_mem_list): New variable.
5217 (gcse_main): Initialize & finalize alias analysis. Use enhanced
5218 load motion and store motion if requested.
5219 (alloc_gcse_mem): Allocate space for modify_mem_list array.
5220 (free_gcse_mem): Free the modify_mem_list array.
5221 (oprs_unchanged_p): Use load_killed_in_block_p.
5222 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
5223 (mems_conflict_for_gcse_p): New function. Don't kill loads
5224 with stores to themselves if its in the load/store expression list.
5225 (load_killed_in_block_p): New function.
5226 (canon_list_insert): New Function.
5227 (record_last_mem_set_info): Keep a list of all instructions which
5228 can modify memory for each basic block.
5229 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
5230 (oprs_not_set_p): Use load_killed_in_block_p.
5231 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
5232 (expr_killed_p): Use load_killed_in_block_p.
5233 (compute_transp): Do not pessimize memory references.
5234 (pre_edge_insert): Update stores for a load motion expression.
5235 (one_pre_gcse_pass): Check loads/stores for extra load motion.
5236 (ldst_entry): Find or create a ldst_expr structure.
5237 (free_ldst_entry): Free memory for an individual item.
5238 (free_ldst_mems): Free entire load/store expression list.
5239 (print_ldst_list): Print debug info.
5240 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
5241 (enumerate_ldsts): Assign integer values to each entry in list.
5242 (first_ls_expr): First expression in the list.
5243 (next_ls_expr): Next expression in the list.
5244 (simple_mem): Check if expression qualifies for ld/st expression list.
5245 (invalidate_any_buried_refs): Remove from expression list if its
5246 used in some other way we dont understand.
5247 (compute_ld_motion_mems): Find all potential enhanced load motion
5249 (trim_ld_motion_mems): Remove any expressions which are invalid.
5250 (update_ld_motion_stores): Copy store values to registers for loads
5251 which have been moved.
5252 (regvec, st_antloc, num_store): New global statics.
5253 (reg_set_info): Marks registers as set.
5254 (store_ops_ok): Verfies registers expressions are valid in a block.
5255 (find_moveable_store): Look for moveable stores in a pattern.
5256 (compute_store_table): Find stores in a function worth moving, maybe.
5257 (load_kills_store): Check dependance of a load and store.
5258 (find_loads): Find any loads in a pattern.
5259 (store_killed_in_insn): Check if a store is killed in an insn.
5260 (store_killed_after): Check is store killed after an insn in a block.
5261 (store_killed_before): Check is store killed before an insn in a block.
5262 (build_store_vectors): Generate the antic and avail vectors.
5263 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
5264 (insert_store): Add a store to an edge.
5265 (replace_store_insn): Replace a store with a SET insn.
5266 (delete_store): Delete a store insn.
5267 (free_store_memory): Free memory.
5268 (store_motion): Perform store motion.
5269 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
5270 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
5271 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
5272 (f_options): Add gcse-lm and gcse-sm.
5274 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
5276 * i386.c (expand_fp_movcc): Fix condition reversal code.
5278 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
5279 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
5280 (CLASS_MAX_NREGS): Use it.
5282 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
5283 handle properly complex values.
5284 (CLASS_MAX_NREGS): Likewise; update comment.
5286 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5288 * ia64.c (ia64_flag_schedule_insns2): New variable.
5289 (ia64_override_options): Initialize it. Clear
5290 flag_schedule_insns_after_reload.
5291 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
5293 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5295 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
5296 Do not require source to match destination anymore;
5297 Add abort to the nontrivial cases that should be handled by split.
5298 (fix_trunc?fdi): Add SSE case for x86_64.
5299 (floatdi?f): Likewise.
5300 (floatdi?f_sse): New.
5301 (fix_trunc?fdi_sse): New.
5303 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
5305 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
5306 (DEBUG_ARANGES_END_LABEL): Ditto.
5307 (dwarfout_init): Generate length and version fields at the start
5308 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
5309 after the length field.
5310 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
5311 the .debug_aranges info.
5313 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5315 * i386.c (call, call_value): Make sure that resulting call_insn
5316 does have proper second operand.
5318 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
5320 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
5321 function. Remove include of sys/cygwin.h.
5323 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
5325 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
5326 (CPP_SPEC): Always search */include/w32api for header files.
5327 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
5328 (LINK_SPEC): Add "cyg" to the library search prefixes.
5330 2001-04-08 Philip Blundell <philb@gnu.org>
5332 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
5334 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
5336 * cpperror.c (print_location): Don't special case <stdin>.
5337 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
5338 WARNING, but we don't check if we're in system headers.
5339 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
5340 * cpplib.c (do_warning): Warn in system headers.
5342 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
5344 * mbchar.c: Include config.h first.
5346 2001-04-07 Zack Weinberg <zackw@stanford.edu>
5348 * config.gcc: Set default for xmake_file at top, not bottom.
5349 Change places that set xmake_file to "none" to set to the
5350 empty string instead, or remove them entirely if there is no
5351 default xmake_file for this cpu_type. Remove references to
5354 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
5355 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
5356 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
5357 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
5358 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
5359 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
5360 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
5361 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
5362 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
5363 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
5366 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
5367 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
5368 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
5369 config/mips/x-sysv, config/rs6000/x-aix31:
5370 Just set CLIB to -lld or -lmld, as appropriate.
5372 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
5373 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
5374 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
5375 config/mips/x-iris, config/pa/x-pa:
5376 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
5377 OTHER_FIXINCLUDES_DIRS.
5379 * config/i386/x-djgpp: Don't set LN or LN_S.
5380 * config/m88k/x-dolph: Don't define __m88k__.
5381 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
5382 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
5383 * config/i860/fx2800.h: No need to #undef SVR4.
5385 38 x-host fragments remain, 2 x-cpu.
5387 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5389 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
5391 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5393 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
5395 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5397 * configure.in: Add check for lstat.
5398 * configure, config.in: Regenerate.
5399 * cppinit.c (append_include_chain): Make empty path ".".
5400 * cpplib.c (do_line): Don't simplify #line paths.
5401 * cppfiles.c (remove_component_p): New function.
5402 (find_or_create_entry): Acknowledge stat () errors during
5403 path simplification.
5404 (handle_missing_header): Don't simplify paths.
5405 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
5406 the empty path untouched. Don't leave a trailing '/'.
5408 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
5410 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5411 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5413 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5415 * cppfiles.c (open_file): Fail directories silently, but
5416 with an errno of NOENT set.
5417 (read_include_file): Move the common exit code to the sole
5418 caller. Return an int indicating success or failure. Let
5419 open_file handle directories.
5420 (stack_include_file): If read_include_file fails,
5421 push a "null" buffer.
5423 2001-04-05 DJ Delorie <dj@redhat.com>
5425 * function.h (virtuals_instantiated): Declare.
5426 * function.c: (virtuals_instantiated): Make global.
5427 * calls.c (emit_library_call_value_1): Use
5428 virtual_outgoing_args_rtx only if it hasn't been instantiated.
5429 Otherwise, use the stack pointer directly.
5431 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5433 * i386.c (x86_initialize_trampoline): New global function.
5434 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
5435 (INITIALIZE_TRAMPOLINE): Move offline.
5436 * i386-protos.h (x86_initialize_trampoline): Declare.
5438 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5440 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
5441 (lea_0): Rename to lea_1.
5442 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
5443 (lea_general_?): Allow SImodes on TARGET_64BIT
5444 (lea_general_?_zext): New patterns.
5445 (call_1, call_1_rex64): Fix.
5447 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5449 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
5451 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5453 * i386.c (function_arg): Return constm1_rtx for last argument.
5454 (ix86_expand_prologue): Update gen_call calls.
5455 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
5456 * i386.md (call_pop): Likewise.
5457 (call): Second operand is VOIDmode.
5458 (call_0): Likewise; Support 64bits.
5459 (call_exp): New expander.
5460 (call_1): Get to the sync.
5461 (call_1_exp): New pattern.
5462 (call_value): Support 64bit.
5463 (call_value_exp): New pattern.
5464 (untyped_call): Update gen_call call.
5465 (call_value_pop): Disable for 64bit.
5466 (call_value_0_rex64): New pattern.
5467 (call_value_1_rex64): Likewise.
5469 2001-04-05 Bo Thorsen <bo@suse.de>
5471 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
5473 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
5475 * i386.md (*andsi_1+3): If used after reload, make sure the operand
5476 satisfies ANY_QI_REG_P.
5478 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5480 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
5483 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
5486 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5488 * config.gcc: Remove default for xm_file. Clean up local
5489 machine type handling. Remove settings of xm_file to
5490 something that doesn't exist. In the big switch, set xm_file,
5491 don't append to it (the value before the big switch is always
5492 null). Don't force build_xm_file or host_xm_file to have a value.
5493 * configure.in: Remove default for xm_file. Do not special
5494 case $cpu/xm-$cpu.h not existing.
5495 * configure: Regenerate.
5497 2001-04-04 Diego Novillo <dnovillo@redhat.com>
5499 * simplify-rtx.c (simplify_binary_operation): Check for overflow
5500 when folding integer division and modulo operations.
5502 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
5504 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
5505 instead of DWARF2_ADDR_SIZE for EH addresses.
5506 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
5509 2001-04-04 Richard Henderson <rth@redhat.com>
5511 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
5512 * config/ia64/t-glibc (LIB2ADDEH): Disable.
5513 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
5515 2001-04-04 Richard Henderson <rth@redhat.com>
5517 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
5518 * configure: Rebuilt.
5520 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5522 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
5523 push insns to delete to it instead of deleting them.
5524 (delete_null_pointer_checks): Delete insns from delete_list after
5525 all delete_null_pointer_checks_1 passes are done.
5527 2001-04-04 Richard Henderson <rth@redhat.com>
5529 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
5530 * configure: Rebuilt.
5532 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5534 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
5535 * config/romp/xm-romp.h: Delete.
5537 2001-04-04 Bernd Schmidt <bernds@redhat.com>
5539 * sched-deps.c (sched_analyze_insn): Partially revert March 27
5542 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5544 * emit-rtl.c (mark_label_nuses) Increment the label uses for
5545 all labels present in rtx.
5546 (try_split) Call new function for all split insns.
5548 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5550 * recog.c (validate_replace_rtx_1): Instead of aborting just make
5551 sure the change won't be validated.
5553 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
5555 * rtl.h (set_noop_p): Declare.
5556 * flow.c (set_noop_p): Move from here ...
5557 * rtlanal.c (set_noop_p): ... to here and enhance.
5558 * cse.c (delete_trivially_dead_insns): Use it.
5559 * gcse.c (hash_scan_set): Likewise.
5560 * jump.c (delete_noop_moves): Likewise.
5561 * recog.c (split_all_insns): Likewise.
5563 2001-04-04 Alan Modra <alan@linuxcare.com.au>
5565 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
5566 stack pointer via a LO_SUM. Ditto for setting a temp register
5567 used to save to the stack. Set cfa_temp when setting fp, and
5568 allow matches to cfa_temp in addition to cfa_store when saving
5569 regs. Handle POST_INC and LO_SUM register stores. Document the
5570 changes and errors in rule 12 doco.
5572 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
5573 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
5574 (load_reg): Move closer to epilogue code.
5575 (DO_FRAME_NOTES): Define to control the following..
5576 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
5577 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
5579 (hppa_expand_epilogue): Likewise.
5581 2001-04-03 Richard Henderson <rth@redhat.com>
5583 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
5584 * configure: Rebuild.
5586 2001-04-03 Richard Henderson <rth@redhat.com>
5588 * rtl.h (LCT_THROW): New.
5589 * calls.c (emit_library_call_value_1): Handle it.
5590 * except.c (connect_post_landing_pads): Use it.
5592 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5594 * gansidecl.h: Delete file.
5595 * configure.in: Change all refs to gansidecl.h to use
5596 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
5598 * configure: Regenerate.
5600 * Makefile.in (intl.o): Don't depend on gansidecl.h.
5601 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
5602 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
5603 Don't include gansidecl.h.
5604 * intl.c, main.c, version.c, fixinc/fixlib.h,
5605 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
5608 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5610 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
5613 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5615 * config/i386/xm-beos.h, config/i386/xm-isc.h,
5616 config/i386/xm-next.h, config/i386/xm-sco.h,
5617 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
5618 config/m88k/xm-m88k.h: Delete.
5620 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
5621 * config/romp/xm-romp.h: Don't define bcopy.
5622 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
5623 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
5625 * config.gcc: Remove references to deleted files.
5627 14 xm-host.h remain, 1 xm-cpu.h.
5629 2001-04-03 Jakub Jelinek <jakub@redhat.com>
5630 David S. Miller <davem@pierdol.cobaltmicro.com>
5631 Andrew MacLeod <amacleod@redhat.com>
5633 Use byte offsets in SUBREGs instead of words.
5635 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
5636 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
5637 to pass new argument.
5638 (add_stored_regs): Use subreg_regno_offset function.
5639 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
5641 (precompute_arguments): Use gen_lowpart_SUBREG.
5642 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
5643 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
5644 (simplify_set): Rework to use SUBREG_BYTE.
5645 (expand_field_assignment): Use SUBREG_BYTE.
5646 (make_extraction): Use SUBREG_BYTE.
5647 (if_then_else_cond): Use SUBREG_BYTE.
5648 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
5649 (gen_lowpart_for_combine): Compute full byte offset.
5650 * cse.c (mention_regs): Use SUBREG_BYTE.
5651 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
5652 (canon_hash): Use SUBREG_BYTE.
5653 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
5654 (gen_lowpart_if_possible): Formatting.
5655 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
5657 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5658 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5659 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5660 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5661 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5662 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5663 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
5664 certain invariants about SUBREGs the compiler creates.
5665 (gen_lowpart_SUBREG): New function.
5666 (subreg_hard_regno): New function to get the final register number.
5667 (gen_lowpart_common): Use SUBREG_BYTE.
5668 (gen_imagpart): Spacing nits.
5669 (subreg_realpart_p): Use SUBREG_BYTE.
5670 (gen_highpart): Use SUBREG_BYTE.
5671 (subreg_lowpart_p): Always compute endian corrected goal offset,
5672 even at the byte level, then compare against that.
5673 (constant_subword): New function, pulled out all constant cases
5674 from operand_subword and changed second argument name to offset.
5675 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
5676 and call constant_subword to do the work. Return const0_rtx if
5677 looking for a word outside of OP.
5678 (operand_subword_force): Change second arg name to offset.
5679 * expmed.c (store_bit_field): Use SUBREG_BYTE.
5680 (store_split_bit_field): Use SUBREG_BYTE.
5681 (extract_bit_field): Use SUBREG_BYTE.
5682 (extract_split_bit_field): Use SUBREG_BYTE.
5683 (expand_shift): Use SUBREG_BYTE.
5684 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
5685 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
5686 * flow.c (set_noop_p): Use SUBREG_BYTE.
5687 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
5688 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
5689 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
5691 (optimize_bit_field): Use SUBREG_BYTE.
5692 (purge_addressof_1): Use SUBREG_BYTE.
5693 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
5694 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
5695 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
5696 * gengenrtl.c (special_rtx): Add SUBREG.
5697 * global.c (mark_reg_store): Use SUBREG_BYTE.
5698 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
5699 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
5700 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
5701 final byte offset is congruent to subreg's mode size.
5702 (subst_constants): Use SUBREG_BYTE.
5703 (mark_stores): Use subreg_regno_offset function.
5704 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
5705 function and SUBREG_BYTE.
5706 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
5707 (reg_is_born): Use subreg_hard_regno.
5708 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
5709 endian correction code. Don't combine subregs unless resulting
5710 offset aligns with type. Fix subreg constant extraction for DImode.
5711 Simplify SUBREG of VOIDmode CONST_DOUBLE.
5712 (general_operand): Remove dead mode_altering_drug code.
5713 (indirect_operand): Use SUBREG_BYTE.
5714 (constrain_operands): Use subreg_regno_offset function.
5715 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
5716 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
5717 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
5718 * regs.h (REG_SIZE): Allow target to override.
5719 (REGMODE_NATURAL_SIZE): New macro which target can override.
5720 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
5721 on the entire subreg rtx.
5722 (push_reload): Use SUBREG_BYTE in comments and code.
5723 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
5724 for hard registers inside subregs.
5725 (operands_match_p): Use subreg_regno_offset.
5726 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
5727 containing hard regs.
5728 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
5729 corrections when fixing up MEM subregs.
5730 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
5731 subreg_regno_offset where appropriate.
5732 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
5733 byte endian corrections when fixing up MEM subregs.
5734 (subst_reloads): When combining two subregs, make sure final
5735 offset is congruent to subreg's mode size.
5736 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
5737 (refers_to_regno_for_reload_p): Use subreg_regno.
5738 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
5739 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
5740 correction code for memory subreg fixups.
5741 (forget_old_reload_1): Use subreg_regno_offset.
5742 (choose_reload_regs): Use subreg_regno.
5743 (emit_input_reload_insns): Use SUBREG_BYTE.
5744 (reload_combine_note_store): Use subreg_regno_offset.
5745 (move2add_note_store): Use subreg_regno_offset.
5746 * resource.c (update_live_status, mark_referenced_resources): Use
5747 subreg_regno function.
5748 (mark_set_resources): Use subreg_regno function.
5749 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
5750 (subreg_regno_offset, subreg_regno): Define prototypes.
5751 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
5752 (gen_lowpart_SUBREG): Add prototype.
5753 * rtl.texi (subreg): Update to reflect new byte offset representation.
5754 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
5755 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
5756 (reg_overlap_mentioned_p): Use subreg_regno.
5757 (replace_regs); Make sure final offset of combined subreg is
5758 congruent to size of subreg's mode.
5759 (subreg_regno_offset): New function.
5760 (subreg_regno): New function.
5761 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
5762 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
5763 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
5764 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
5765 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
5766 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
5767 (a29k_get_reloaded_address): Use SUBREG_BYTE.
5768 (print_operand): Use SUBREG_BYTE.
5769 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
5770 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
5771 (arm_reload_out_hi): Use SUBREG_BYTE.
5772 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
5773 instead of SUBREG_WORD.
5774 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
5775 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
5776 SUBREG creation to use byte offset.
5777 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
5778 inverted load insns): Fix explicit rtl subregs to use byte
5780 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
5781 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
5782 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
5783 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
5784 to use byte offsets.
5785 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
5786 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
5787 offsets, also make sure it is congruent to SUBREG's mode size.
5788 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
5789 unnamed ldob insn): Generate SUBREGs with byte offset.
5790 (zero_extendqihi2): SUBREG's are byte offsets.
5791 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
5792 (m68hc11_gen_highpart): Use SUBREG_BYTE.
5793 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
5794 zero-extendqisi2): Generate SUBREGs with byte offset.
5795 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
5796 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
5797 subregs in rtl to use byte offsets.
5798 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
5799 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
5800 (mips_move_2words): Use subreg_regno_offset.
5801 (mips_secondary_reload_class): Use subreg_regno_offset.
5802 * config/mips/mips.md (DImode plus, minus, move, and logical op
5803 splits): Fixup explicit subregs in rtl to use byte offsets.
5804 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
5805 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
5806 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
5807 rtl to use byte offsets.
5808 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
5809 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
5810 subregs to use byte offsets.
5811 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
5812 Fixup explicit subregs in rtl to use byte offsets.
5813 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
5814 and remove byte endian correction code.
5815 * config/sh/sh.c (output_movedouble): Use subreg_regno.
5816 (gen_ashift_hi): Use SUBREG_BYTE.
5817 (regs_used): Use subreg_regno_offset.
5818 (machine_dependent_reorg): Use subreg_regno_offset.
5819 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
5820 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
5821 (movdf_i4): Subregs are byte offsets now.
5822 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
5823 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
5824 (REGMODE_NATURAL_SIZE): Override.
5825 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
5826 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
5828 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
5829 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
5830 extendqidi2): Generate SUBREGs with byte offsets, also make sure
5831 it is congruent to SUBREG's mode size.
5832 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
5834 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
5835 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
5836 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
5837 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
5838 * config/v850/v850.c (print_operand, output_move_double): Use
5839 subreg_regno function.
5841 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
5843 * configure.in (target_subdir): Use target_alias, not target.
5844 * configure: Rebuilt.
5846 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
5848 * config/sh/crti.asm: Fix typos in comments.
5850 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5852 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
5853 TARGET_FAST_INDIRECT_CALLS.
5854 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
5856 (return_addr_rtx): Short circuit export stub matching when
5857 TARGET_NO_SPACE_REGS.
5858 (output_millicode_call): For out of range calls, make -fPIC
5859 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
5860 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
5861 * pa.md: Modify length attr calculation of all millicode insns to
5864 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
5866 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
5867 Require at least 2.11 in the version test. Specifically check
5868 for and reject GAS version 2.10.90.
5869 * configure: regenerate.
5871 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5873 * pa.c (override_options): Remove PIC profiling warning.
5874 (hp_profile_labelno): Delete.
5875 (hp_profile_label_rtx): Delete.
5876 (hp_profile_label_name): Delete.
5877 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
5878 (output_function_prologue): Remove profiling code and all tests on
5879 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
5880 merge_sp_adjust_with_store can work for PIC and profiling.
5881 (hppa_expand_epilogue): Remove profile_flag test.
5882 (hppa_can_use_return_insn_p): Likewise.
5883 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
5884 cater for PROFILE_HOOK.
5885 (hppa_profile_hook): New function.
5886 * pa.h (FUNCTION_PROFILER): Now does nothing.
5887 (PROFILE_HOOK): Define.
5888 (hppa_profile_hook): Declare.
5889 (PROFILE_BEFORE_PROLOGUE): Delete.
5890 (ASM_OUTPUT_REG_PUSH): Delete.
5891 (ASM_OUTPUT_REG_POP): Delete.
5892 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
5893 r24. Accept function name operand, and use this and a locally
5894 generated label to calculate pc-rel offset to func start.
5896 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5898 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
5899 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
5902 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5904 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
5905 LO_SUM cases to where they belong.
5907 2001-04-02 Richard Henderson <rth@redhat.com>
5909 * except.h (lang_eh_type_covers): Mark extern.
5910 (lang_eh_runtime_type): Likewise.
5912 2001-04-02 Zack Weinberg <zackw@stanford.edu>
5914 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
5915 gengenrtl.c: Wrap generated header in multiple-include guard.
5916 Improve error checking.
5918 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5920 * configure.in: Don't check for putenv.
5921 * configure: Regenerate.
5922 * gcc.c (putenv): Don't define.
5923 * vax/xm-vms.h: Handle putenv.
5925 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5927 * ifcvt.c (noce_emit_move_insn): New.
5928 (noce_try_store_flag, noce_try_store_flag_constants,
5929 noce_try_store_flag_inc, noce_try_store_flag_mask,
5930 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
5931 noce_try_abs): Use it.
5932 (noce_process_if_block): Likewise.
5933 For STRICT_LOW_PART, take mode from its SUBREG.
5935 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5937 * fold-const.c (fold): Before optimizing unsigned comparison with
5938 0x7fffffffU, make sure arg0 is integral type.
5940 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
5942 * c-tree.texi: Document representation of wide strings.
5944 2001-04-01 Richard Henderson <rth@redhat.com>
5946 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
5948 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
5950 * i386.md: remove obsoleted comments.
5951 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
5952 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
5953 fix output template.
5955 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
5957 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
5959 2001-03-30 Bernd Schmidt <bernds@redhat.com>
5961 * loop.c (load_mems): When generating a load from a pseudo, update
5964 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5966 * i386.c (ix86_split_long_move): Use change address to compensate
5967 stack pointer change in push instruction.
5969 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5971 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
5972 instead of rtx_equal_p; fix the output template.
5974 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
5976 * i386.c (ix86_expand_setcc): Support 64bit.
5977 (ix86_expand_int_movcc): Likewise.
5978 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
5981 * i386.md (allocate_stack_worker): Turn to expander.
5982 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
5984 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
5986 2001-03-29 Richard Henderson <rth@redhat.com>
5988 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
5990 2001-03-28 Matthew Hiller <hiller@redhat.com>
5992 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
5995 * MAINTAINERS: Added self.
5997 2001-03-28 Richard Henderson <rth@redhat.com>
5999 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
6000 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
6002 2001-03-28 Jim Wilson <wilson@redhat.com>
6004 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
6007 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6009 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
6011 * tradcif.y (yyerror): Likewise. Add format specifier in call to
6014 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
6016 2001-03-28 DJ Delorie <dj@redhat.com>
6018 * Makefile.in (stage1_build): Revert CFLAGS patch.
6020 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
6022 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
6023 when multiplier or multiplicand is zero.
6025 2001-03-28 Bernd Schmidt <bernds@redhat.com>
6027 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
6029 * config/ia64/ia64.c (update_set_flags): New function, broken out of
6031 (set_src_needs_barrier): Likewise.
6032 (rtx_needs_barrier): For SET case, use these two functions. Rework
6033 PARALLEL case to handle all inputs before all outputs.
6034 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
6035 saw a label and no stop bit since then.
6036 (maybe_rotate, process_epilogue): Add prototypes.
6038 2001-03-28 Richard Henderson <rth@redhat.com>
6040 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
6041 not TARGET_TOC for special toc restore handling.
6042 * config/rs6000/rs6000.md (eh_return): Likewise.
6044 2001-03-28 Richard Henderson <rth@redhat.com>
6046 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
6047 current_function_calls_eh_return.
6048 (output_function_epilogue): Handle eh_return.
6049 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
6050 (EH_RETURN_DATA_REGNO): New.
6051 (EH_RETURN_STACKADJ_RTX): New.
6052 (EH_RETURN_HANDLER_RTX): New.
6053 * config/sparc/sparc.md (call/short branch peepholes): Check
6054 can_throw_internal instead of in_same_eh_region.
6056 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
6057 for eh_return data registers.
6058 (rs6000_emit_prologue): Save eh_return data registers.
6059 (rs6000_emit_epilogue): Force inline restores if eh_return.
6060 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
6061 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
6062 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
6063 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
6064 the target uses one.
6065 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
6066 (return_eh_si, return_eh_di): Remove.
6067 (eh_return): New, from corpse of eh_epilogue.
6068 (eh_set_lr_si, eh_set_lr_di): New.
6070 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
6071 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
6072 True for pic register if current_function_calls_eh_return.
6073 (ix86_expand_epilogue): Change "emit_return" argument into "style".
6074 Handle eh_return requirements.
6075 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
6076 (EH_RETURN_STACKADJ_RTX): New.
6077 * config/i386/i386.md (exception_receiver): Remove.
6078 (eh_return, eh_return_1): New.
6079 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6081 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
6082 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
6083 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
6084 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
6085 (EH_RETURN_DATA_REGNO): New.
6086 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
6087 * config/alpha/alpha.md (eh_epilogue): Remove.
6088 (exception_receiver): Use $26 for ldgp input.
6089 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6091 2001-03-28 Richard Henderson <rth@redhat.com>
6093 * except.c: Rewrite entirely for IA-64 ABI exception handling.
6094 * except.h: Likewise.
6096 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
6097 (LIB2ADDEHDEP): New.
6098 (LIB2FUNCS_EH): Remove.
6099 (LIB2ADD): Remove LIB2ADDEH.
6100 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
6101 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
6102 (crt{begin,end}[S].o): Likewise.
6103 (except.o): Update includes.
6104 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
6105 (libgcc2_c_dep): Use LIB2ADDEHDEP.
6107 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
6108 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
6109 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
6110 * builtins.c (expand_builtin): Implement it.
6111 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
6112 * c-common.c (c_common_nodes_and_builtins): Declare it.
6113 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
6114 * calls.c (libfunc_nothrow): Remove.
6115 (emit_library_call_value_1): Don't call it.
6116 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
6117 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
6118 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
6119 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
6120 (current_funcdef_number): Globalize.
6121 (output_call_frame_info): Emit frame data if an lsda is needed.
6122 Generate augmentation for personality routine. Don't play with
6124 (dwarf2out_begin_prologue): Record funcdef_number.
6125 * dwarf2out.h (current_funcdef_number): Declare.
6126 * expr.c (expand_expr): Update for except.h name changes.
6127 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
6128 * expr.h (LTI_throw, LTI_rethrow): Remove.
6129 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
6130 (LTI_eh_rtime_match): Remove.
6131 (LTI_unwind_resume, LTI_eh_personality): Add.
6132 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
6133 * final.c (final): Don't call check_exception_handler_labels,
6134 init_insn_eh_region, or free_insn_eh_region.
6135 (final_scan_insn): Always emit debug labels for
6136 NOTE_INSN_EH_REGION notes.
6137 * flags.h (flag_new_exceptions): Remove.
6138 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
6139 (record_active_eh_regions): Remove.
6140 (count_basic_blocks): Check all instructions for REG_EH_REGION.
6141 Use can_throw_internal.
6142 (find_basic_blocks_1): Likewise.
6143 (move_stray_eh_region_notes): Remove.
6144 (find_label_refs): No eh_return_stub_label.
6145 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
6146 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
6148 (delete_unreachable_blocks): Don't track deleted handlers.
6149 (flow_delete_block): Use maybe_remove_eh_handler.
6150 (delete_eh_regions): Remove.
6151 (merge_blocks): Don't check for eh region match.
6152 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
6153 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
6154 (init_propagate_block_info): Disable dead frame store optimization
6155 when current_function_calls_eh_return.
6156 (dump_bb): Don't print eh_beg, eh_end.
6157 * function.c (fixup_var_refs): No catch_clauses.
6158 (expand_function_end): Likewise. Call expand_eh_return before
6159 the return register use. Call sjlj_emit_function_exit_after.
6160 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
6161 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
6162 * ifcvt.c (dead_or_predicable): Remove eh region check.
6163 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
6164 Don't check for EH vs parameters.
6165 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
6166 (expand_inline_function): Call duplicate_eh_regions.
6167 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
6168 (copy_insn_notes): Remap REG_EH_REGION notes.
6169 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
6170 * integrate.h (struct inline_remap): Add local_return_label.
6171 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
6172 check_exception_handler_labels, nor exception_optimize.
6173 (find_cross_jump): No EH region check.
6174 * optabs.c (init_optabs): Update for changed eh libfuncs.
6175 * rtl.def (RESX): New.
6176 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
6177 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
6178 checks. Update for except.h name changes.
6179 (expand_cleanups): Likewise.
6180 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
6181 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
6182 (compile_file): Call init_eh before init_optabs. Don't
6183 output_exception_table here.
6184 (rest_of_compilation): Call convert_from_eh_region_ranges,
6185 convert_to_eh_region_ranges, output_function_exception_table.
6186 Don't emit_eh_context.
6187 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
6188 (EXC_PTR_EXPR): New.
6190 * md.texi (eh_epilogue): Remove.
6191 (eh_return): Document.
6192 * tm.texi (EH_RETURN_DATA_REGNO): Document.
6193 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
6195 * eh-common.h: Remove file.
6196 * frame-dwarf2.c, frame.c, frame.h: Remove files.
6197 * libgcc2.c (L_eh): Remove.
6199 * unwind-dw2-fde.c: New file, largely copied from frame.c.
6200 * unwind-dw2-fde.h: New file.
6201 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
6202 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
6203 * libgcc-std.ver: Update for eh symbols.
6205 2001-03-27 Richard Henderson <rth@redhat.com>
6207 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
6208 reduce false positives.
6209 (regmove_optimize): Disable if flag_non_call_exceptions.
6211 * stmt.c (expand_return): Remove always true predicate.
6212 (expand_decl_cleanup_no_eh): Remove dead code.
6214 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
6215 barrier code. Add a scheduling barrier if a non-call insn
6216 can throw internally.
6218 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
6219 Auto-inc addresses trap only if their base register does.
6221 * except.c (can_throw_internal): Rename from can_throw.
6222 * except.h, resource.c: Update references.
6224 * integrate.c (copy_insn_list): Use returnjump_p.
6225 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
6227 * function.h (struct function): Move all boolean valued fields
6228 to single bit fields at the end of the struct.
6230 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
6232 Rename asynchronous_exceptions to flag_non_call_exceptions.
6234 * gthr-single.h (UNUSED): New. Distinguish between how C
6235 and C++ mark unused function arguments. Use throughout.
6237 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
6238 value to target configuration header.
6239 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
6240 * config.in, configure: Rebuild.
6241 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
6242 configuration and target defines.
6243 (exceptions_via_longjmp): Remove.
6244 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
6245 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
6247 * except.h (flag_non_call_exceptions): Move ...
6248 * flags.h: ... here.
6250 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
6251 exceptions, put the note on the trapping instruction.
6253 * flags.h (flag_new_exceptions): Remove.
6254 * toplev.c: Don't set it.
6255 * final.c: Don't check it.
6256 * except.c: Provide stub definition.
6258 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
6259 (calculate_global_regs_live): Kill call-clobbered registers
6260 across exception edges.
6261 * reg-stack.c (convert_regs_1): Kill the entire target stack
6262 across non-call exception edges.
6264 * flow.c (cleanup_cfg): Take no argument.
6265 * output.h, sibcall.c, toplev.c: Update all calls.
6267 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6269 * configure.in: Don't check for bcopy.
6270 * configure, config.in: Regenerate.
6272 * system.h: Don't define or prototype bcopy, instead poison it.
6274 2001-03-27 Richard Henderson <rth@redhat.com>
6276 * function.c (expand_function_start): Set DECL_REGISTER on
6277 a pseudo used for DECL_RESULT.
6279 * rtl.h (LCT_NORETURN): New.
6280 * calls.c (emit_library_call_value_1): Handle it.
6282 2001-03-27 Stan Shebs <shebs@apple.com>
6284 * objc/objc-act.c (objc_init): Use dump_base_name.
6285 (gen_declaration): Clear the buffer arg.
6286 (gen_declaration_1): New function, body of gen_declaration.
6287 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
6288 (gen_method_decl): Ditto, plus always clear buffer arg.
6289 (error_with_ivar): Simplify.
6290 (warn_with_method): Ditto.
6291 (build_message_expr): Don't clear buffers.
6292 (dump_interface): Ditto.
6293 (objc_debug): Ditto.
6294 (build_keyword_selector): Clear the buffer by only zeroing
6296 (objc_implementation_context): Declare.
6297 (start_class): Warn about missing @end.
6298 (finish_objc): Ditto.
6300 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
6302 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
6304 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6306 * Makefile.in (SYSTEM_H): Define.
6307 Depend on $(SYSTEM_H), not system.h.
6309 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
6311 2001-03-27 Jim Wilson <wilson@redhat.com>
6313 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
6315 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
6316 (process_epilogue): New static function.
6317 (process_set): Call process_epilogue instead of emitting .restore
6319 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
6321 * flow.c (struct reg_cond_life_info): New fields orig_condition
6323 (init_propagate_block_info): Set new fields.
6324 (mark_regno_cond_dead): Set and use new fields.
6325 (flush_reg_cond_reg_1): Likewise.
6326 (and_reg_cond, case AND): Check for redundant AND conditions.
6327 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
6330 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
6332 * cppmacro.c (stringify_arg): Null terminate strings.
6334 2001-03-27 Zack Weinberg <zackw@stanford.edu>
6336 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
6337 inclusion style. xm-m68hc11.h no longer exists.
6338 * config/m68hc11/xm-m68hc11.h: Delete file.
6339 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
6341 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
6342 Don't define GCC_VERSION, N_, or PARAMS; don't include
6343 gansidecl.h or stdio.h. Define inhibit_libc here.
6344 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6345 Delete code conditioned on #if GCC_VERSION == 2095.
6347 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
6348 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6349 Delete code conditioned on #if GCC_VERSION == 2095.
6351 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6353 * system.h: Include symcat.h.
6354 (STRINGIFY): Don't define.
6356 * configure.in: Adjust comment.
6358 * builtins.c: Use STRINGX, not STRINGIFY.
6359 * gencheck.c: Likewise.
6360 * gengenrtl.c: Likewise.
6361 * protoize.c: Likewise.
6363 * cpplex.c: Don't include symcat.h.
6364 * cpplib.c: Likewise.
6366 * gansidecl.h (HAVE_STRINGIZE): Don't define.
6368 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6370 * c-typeck.c (digest_init): Fold init expression.
6372 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6374 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
6376 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6378 * except.c (eh_regs): Save results of build_pointer_type to a temp
6379 as FUNCTION_VALUE macro may evaluate its args multiple times.
6381 2001-03-26 Mark Mitchell <mark@codesourcery.com>
6383 * c-common.h (DECL_NUM_STMTS): New macro.
6384 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
6386 (pushdecl): Likewise.
6387 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
6388 * integrate.c (expand_inline_function): Don't check
6390 * print-tree.c (print_node): Don't print it.
6391 * toplev.c (rest_of_compilation): Don't try to inline when
6392 flag_no_inline is on.
6393 * tree.h (DECL_FRAME_SIZE): Remove.
6394 (tree_decl): Adjust accordingly.
6396 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6398 * combine.c (try_combine): Use memcpy, not bcopy.
6400 * genattrtab.c (expand_units): Likewise.
6402 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6404 * i386.md (push mem DI peep2): New.
6405 (mov 0, mov -1 peep2): Handle 64bit.
6406 (lea to arithmetics peep2): Handle 64bit leas.
6407 (rsp arithmetics to push/pop peep2s): New.
6409 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
6411 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6413 * i386.c (struct machine_function): Add save_varrargs_registers.
6414 (ix86_save_varrargs_registers): New macro.
6415 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
6416 (ix86_expand_prologue): Likewise.
6417 (ix86_emit_epilogue_esp_adjustement): Likewise.
6418 (ix86_expand_epilogue): Likewise.
6419 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
6420 (pro_epilogue_adjust_stack_1): New insn.
6421 (pro_epilogue_adjust_stack_rex64): Likewise.
6422 * i386.h (MASK_NO_RED_ZONE): New constant.
6423 (TARGET_RED_ZONE): New macro.
6424 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
6425 (RED_ZONE_SIZE): New constant.
6426 (RED_ZONE_RESERVE): New constant.
6428 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6430 * toplev.c (set_float_handler): Use memcpy, not bcopy.
6432 2001-03-25 Kazu Hirata <kazu@hxi.com>
6434 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
6437 (umodhi3): Likewise.
6440 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6442 * mkconfig.sh (DEFINES): Handle entries with '='.
6444 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
6445 Set xm_defines to MACRO=value instead.
6447 * i370/xm-mvs.h: Delete.
6449 * ns32k/xm-pc532-min.h: Likewise.
6451 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6453 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
6455 use ix86_expand_binary_operator
6456 (?sh??i_?): Disable for 64bit.
6457 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
6458 * i386.c (shiftdi_operand): New predicate.
6460 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
6461 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
6462 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
6463 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
6464 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
6465 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
6466 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
6467 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
6468 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
6469 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
6470 (rotldi3, rotrdi3): New expanders.
6472 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
6474 * i386.md (movstrsi): Move offline.
6476 (strmovdi_rex64): New.
6477 (strmov?i): Accept 64bit.
6478 (strmov?i_rex64): New.
6479 (strmov?i_rex_1): New.
6480 (strmov?i_1): Disable for 64bit.
6481 (rep_mov?i_rex64): New.
6482 (rep_mov?i): Disable for 64bit.
6483 (clrstrsi): Move offline.
6484 (strset?i_rex64): New.
6485 (strset?i: Accept 64bit.
6486 (rep_stos?i): Disable for 64bit.
6487 (rep_stos?i_rex64): New.
6488 (strset?i_rex_1): New.
6489 (strset?i_1): Disable for 64bit.
6490 (cmpstrsi): Accept 64bit.
6491 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
6492 (cmpstrqi_nz_rex_1): New.
6493 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
6494 (strlensi): Move offline.
6496 (strlenqi_1): Disable for 64bit; fix constraints.
6497 (strlenqi_rex_1): New.
6498 * i386.c (ix86_adjust_counter): New static function.
6499 (ix86_zero_extend_to_Pmode): Likewise.
6500 (ix86_expand_aligntest): Likweise.
6501 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
6502 (ix86_expand_movstr): New global function.
6503 (ix86_expand_clrstr): New global function.
6504 (ix86_expand_strlen): New global function.
6505 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
6506 ix86_expand_strlen): Declare.
6507 (ix86_expand_strlensi_unroll_1): Delete.
6509 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
6511 * i386.md (cmpdi): Fix operand predicates.
6512 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
6513 cmpdi_1_insn_rex64): New patterns.
6514 (adddi3): Turn to expander.
6515 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
6516 (addsi3_carry_zext): New pattern.
6517 (adddi_?_rex64): New patterns and splitters.
6518 (addsi_?_zext): New patterns.
6519 (subsi3_carry_zext): New pattern.
6520 (subdi_?_rex64): New patterns and splitters.
6521 (iorsi_?_zext): New patterns.
6522 (iordi_?_rex64): New patterns and splitters.
6523 (iorsi_?_zext): New patterns.
6524 (iorsi_?_zext_imm): New patterns.
6525 (xorsi_?_zext): New patterns.
6526 (xordi_?_rex64): New patterns and splitters.
6527 (xorsi_?_zext): New patterns.
6528 (negdi*): New patterns.
6529 (one_cmpldi*): Likewise.
6530 (one_cmplsi*_zext, negsi*_zext): Likewise.
6531 (testqi_ext_3_rex64): New pattern.
6533 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
6535 * i386-protos.h (ix86_split_long_move): Return void.
6536 * i386.c (ix86_split_to_parts): Handle 64bit target.
6537 (ix86_split_long_move): Likewise.
6538 * i386.md (all calls to ix86_split_long_move): Update.
6540 2001-03-23 Richard Henderson <rth@redhat.com>
6542 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
6543 to avoid shadowing arguments.
6545 2001-03-23 Jakub Jelinek <jakub@redhat.com>
6547 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
6548 to variable names where DECL_NAME is different from
6549 DECL_ASSEMBLER_NAME.
6551 2001-03-23 Jim Wilson <wilson@redhat.com>
6553 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
6554 (assemble_alias): Call make_decl_rtl.
6556 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
6558 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
6560 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
6562 * extend.texi: Document the "java_interface" attribute.
6564 2001-03-22 Zack Weinberg <zackw@stanford.edu>
6566 * mkconfig.sh: Use a subshell with redirected stdout,
6567 instead of closing stdout and confusing commands that run
6568 afterward. Throw away output of cmp.
6570 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
6572 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
6574 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
6576 * i386.md (zero_extendsidi2_32): Break out from ...
6577 (zero_extendsidi2): ... here ; turn to expander.
6578 (zero_extendsidi2_rex64): New.
6579 (extendsidi2_32): Break out from ...
6580 (extendsidi2): ... here ; turn to expander.
6581 (extendsidi2_rex64): New.
6582 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
6583 (trunc?f?f splitters): Add 64bit versions.
6585 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
6587 * i386.md (pushsi, pushsi2_prologue): Disable.
6588 (pushsi2_rex64): New.
6589 (movabs?i_1_rex64, movabs?i_2_rex64): New.
6590 (movqi_ext_1): Disable for 64bit.
6591 (movqi_ext_1_rex64): New.
6592 (pushdi2_rex64): New pattern, peep2s and splitter.
6593 (pushdi2_prologue_rex64): New pattern.
6594 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
6596 (movdi splitters): Disable for 64bit.
6597 (movdi_1_rex64): New pattern, peep2s and splitters.
6598 (swapdi): New pattern.
6599 (pushsf): Disable for 64bit.
6600 (pushsf_rex64): New pattern and splitter.
6601 (pushdf_nointeger): Disable for 64bit.
6602 (pushdf_integer): Handle the 64bit case.
6603 (pushtf): Likewise; update splitters.
6605 2001-03-22 Richard Henderson <rth@redhat.com>
6607 * mkconfig.sh: Include insn-flags.h.
6608 * Makefile.in (CONFIG_H): Include insn-flags.h.
6609 (lots of objects): Remove insn-codes.h and insn-flags.h.
6611 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
6612 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
6613 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
6614 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
6615 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
6616 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
6617 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
6618 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
6619 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
6620 v850/v850.c, vax/vax.c:
6621 Don't include insn-flags.h.
6623 * diagnostic.c, expr.h, reload.c, toplev.c:
6624 Don't include insn-codes.h.
6626 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
6627 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
6628 c4x/c4x.c, i960/i960.c, mips/mips.c:
6629 Don't include insn-codes.h or insn-flags.h.
6631 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
6632 or insn-flags.h in the generated code.
6633 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
6634 (main): Forward declare struct rtx_def.
6636 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
6638 * invoke.texi (-ffast-math): Remove duplicate line about
6641 * gcc.texi: Remove more obsolete documentation of bugs and
6642 installation problems.
6644 2001-03-21 Kazu Hirata <kazu@hxi.com>
6646 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
6649 2001-03-20 Jason Merrill <jason@redhat.com>
6651 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
6653 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
6654 * varasm.c (CHKR_PREFIX): Likewise.
6656 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6658 * gcse.c (hash_scan_set): An expression is not anticipatible if it
6659 is part of a multi-SET insn.
6661 * cse.c (find_comparison_args): Remove previous change.
6662 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
6665 * config/i386/i386.md (conditional_trap): Remove warning.
6667 * recog.c (push_operand): Fix error in last change that caused
6668 undefined symbol on many targets.
6670 * sdbout.c: #include ggc.h.
6671 (sdbout_init): Move to end of file.
6672 Call ggc_add_tree_root for anonymous_types.
6673 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
6674 (sdbout_one_type): Use DECL_NAME for field name.
6675 * Makefile.in (sdbout.o): Show includes ggc.h.
6677 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
6679 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
6680 (override_options): Use properlimits for preferred_stack_boundary.
6681 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
6683 (ext_register_operand): Accept DImode.
6684 (load_pic_register): Abort on 64bit.
6685 (gen_push): Use Pmode instead of SImode.
6686 (ix86_save_reg): Pic reg is never used on 64bit.
6687 (ix86_expand_prologue): Likewise.
6688 (ix86_emit_save_regs): Use Pmode instead of SImode.
6689 (legitimate_address_p): Check displacement for 64bit.
6690 (print_operand): Avoid outputting of (%rip) on 64bit.
6691 (print_operand_address): Output (%rip) where possible.
6692 (split_di): Abort on 64bit registers.
6693 (ix86_expand_branch): DImode comparison is simple for x86_64.
6694 (memory_address_length): Recognize memory addresses formed using
6696 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
6698 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
6700 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
6702 * recog.c (push_operand): Recognize new format of push instructions.
6704 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
6706 * i386.md (pushqi1): New.
6707 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
6708 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6709 x86_64_immediate_operand, x86_64_immediate_operand,
6710 x86_64_zext_immediate_operand): Declare.
6711 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
6712 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6713 x86_64_immediate_operand, x86_64_immediate_operand,
6714 x86_64_zext_immediate_operand): define.
6715 * i386.h (PREDICATE_CODES): Add new predicates.
6717 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
6719 * i386.md (pophi1, popqi1, pushqi1): Remove.
6721 * expr.c (emit_single_push_insn): New function.
6722 (move_by_pieces): Accept NULL as destination for push instructions.
6723 (gen_push_operand): Kill.
6724 (emit_push_insn): Pass NULL when pushing; avoid updating of
6725 stack_pointer_delta.
6726 * expr.h (gen_push_operand): Kill.
6728 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6730 * rtl.texi (COMPARE): Clarify documentation and reference section
6733 2001-03-20 Stan Shebs <shebs@apple.com>
6735 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
6736 (get_object_reference): Ditto.
6737 (error_with_ivar): Use error_with_file_and_line.
6738 (warn_with_method): Use warning_with_file_and_line.
6740 2001-03-20 Tom Tromey <tromey@redhat.com>
6742 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
6744 2001-03-20 Mark Mitchell <mark@codesourcery.com>
6746 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
6747 variables that are TREE_PUBLIC, even if not TREE_STATIC.
6749 2001-03-20 DJ Delorie <dj@redhat.com>
6751 * Makefile.in (install-libgcc): Pass complete list of variables.
6752 (install-multilib): Ditto.
6754 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6756 * config/i386/cygwin.h: Declare ctor_section, dtor_section
6757 drectve_section, switch_to_section.
6759 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
6760 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
6761 i386_pe_mark_dllimport.
6763 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6765 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
6766 functions i386_pe_*.
6768 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
6769 i386_pe_* functions with char * arguments.
6771 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
6773 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
6775 (movsi_ie): Introduce fpul store.
6777 2001-03-20 Alan Modra <alan@linuxcare.com.au>
6779 * Makefile.in (OBJS): Remove hashtab.o.
6781 2001-03-19 Stan Shebs <shebs@apple.com>
6783 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
6784 * c-lang.c (maybe_objc_method_name): Ditto.
6785 * c-tree.h (maybe_objc_method_name): Remove decl.
6787 2001-03-19 Tom Tromey <tromey@redhat.com>
6789 * gcc.c (init_gcc_specs): Fix comment.
6791 2001-03-19 Mark Mitchell <mark@codesourcery.com>
6793 Compute DECL_ASSEMBLER_NAME lazily.
6794 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
6795 (DECL_ASSEMBLER_NAME_SET_P): New macro.
6796 (SET_DECL_ASSEMBLER_NAME): Likewise.
6797 (COPY_DECL_ASSEMBLER_NAME): Likewise.
6798 (set_decl_assembler_name): Declare.
6799 (lang_set_decl_assembler_name): Likewise.
6800 * tree.c (lang_set_decl_assembler_name): New variab.e
6801 (set_decl_assembler_name): New function.
6802 (init_obstacks): Set lang_set_decl_assembler_name.
6803 (build_decl): Don't set DECL_ASSEMBLER_NAME.
6804 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
6805 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
6806 where it's not necessary.
6807 (builtin_function): Likewise.
6808 (finish_decl): Likewise.
6809 * dbxout.c (dbxout_type_methods): Likewise.
6810 * ggc-common.c (ggc_mark_trees): Likewise.
6811 * profile.c (output_func_start_profiler): Likewise.
6812 * varasm.c (make_decl_rtl): Likewise.
6814 * cse.c (find_comparison_args): Update documentation. Fix
6815 mishandling of COMPARE operations.
6817 * tree.def (ABS_EXPR): Add documentation.
6818 * fold-const.c (fold): Improve folding of ABS_EXPRs.
6820 2001-03-19 Zack Weinberg <zackw@stanford.edu>
6822 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
6824 2001-03-19 Jakub Jelinek <jakub@redhat.com>
6826 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
6827 Remove ia32 linux PIC kludge and move it...
6828 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
6830 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
6832 * i386.md (absdf2 expander): Fix 64bit case.
6834 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
6836 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
6838 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
6840 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
6842 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6844 * README.X11: Remove obsolete file.
6846 2001-03-18 Anthony Green <green@redhat.com>
6848 * config/pj/pj.h: Remove some trailing commas.
6849 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
6851 2001-03-18 Richard Henderson <rth@redhat.com>
6853 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
6854 * calls.c: ... here.
6855 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
6856 defaults for them here.
6858 2001-03-17 Anthony Green <green@redhat.com>
6860 * config/pj/lib1funcs.S: Fix broken comment.
6861 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
6864 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
6866 * gcc.texi: Remove obsolete information relating to build and
6867 installation problems with enquire or the Pyramid C compiler.
6869 2001-03-17 Richard Henderson <rth@redhat.com>
6871 * dwarf2out.c (queue_reg_save): New.
6872 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
6873 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
6875 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
6876 (cfa, cfa_store, cfa_temp): Make static.
6877 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
6879 2001-03-17 Richard Henderson <rth@redhat.com>
6881 * integrate.h (struct inline_remap): Add local_return_label.
6882 * integrate.c (expand_inline_function): Initialize it and emit
6883 it after copy_insn_notes.
6884 (copy_insn_list): Don't store local_return_label here.
6885 (copy_insn_notes): New function split out from copy_insn_list.
6887 2001-03-17 Richard Henderson <rth@redhat.com>
6889 * dwarf2out.c (lookup_filename): Emit .file if the assembler
6890 is generating .debug_line.
6891 (dwarf2out_init): Add main_input_filename to the file table first.
6892 * configure.in (as_dwarf2_debug_line): Test with file number 1
6893 instead of file number 0.
6895 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6897 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
6898 (gen_rtx_combine): Deleted; all references changed as appropriate.
6899 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
6901 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
6903 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
6905 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
6908 2001-03-16 Jim Wilson <wilson@redhat.com>
6910 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
6911 then set it to LOC_REG (79) instead of aborting.
6913 2001-03-16 Phil Edwards <pme@sources.redhat.com>
6915 * gccbug.in: Remove high priority.
6917 2001-03-16 Richard Henerson <rth@redhat.com>
6919 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
6920 output with a space instead of deleting it.
6921 * configure: Regenerate.
6923 2001-03-16 Zack Weinberg <zackw@stanford.edu>
6925 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
6926 handles the gory details of converting an object file into
6927 something that's safe to grep.
6928 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
6929 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
6930 newlines at either end of the string we're looking for.
6931 Make 'checking ...' message less stilted.
6932 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
6933 ARM in-memory layout and its hypothetical converse. Don't
6934 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
6935 HOST_WORDS_BIG_ENDIAN.
6937 * configure.in: Adjust for renamed macro. Move
6938 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
6939 * configure, config.in: Regenerate.
6941 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6943 * fixinc/Makefile.in: Set SHELL.
6945 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6947 * fixinc/fixincl.c (fix_with_system): Quote file names before
6948 passing them to shell.
6950 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6952 * Makefile.in: Use fix-header$(build_exeext) instead
6955 2001-03-16 Richard Henderson <rth@redhat.com>
6957 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
6958 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
6959 (size_of_line_prolog): Remove.
6960 (output_line_info): Compute prologue size via label difference.
6961 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
6963 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
6964 assembler error when redefining file numbers.
6965 * config.in, configure: Rebuild.
6967 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
6968 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
6969 (dw2_asm_output_delta_uleb128): Likewise.
6970 (dw2_asm_output_delta_sleb128): Similarly.
6971 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
6973 2001-03-16 Michael Meissner <meissner@redhat.com>
6975 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
6977 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
6979 (BITMASK_LOWER16): Replacement for 0x0000ffff.
6981 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
6982 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
6983 being unsigned in ISO C and signed in traditional.
6984 (expand_prologue): Ditto.
6985 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
6987 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
6989 (divsi3,divdi3): Ditto.
6990 (modsi3,moddi3): Ditto.
6991 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
6992 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
6993 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
6996 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
6998 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
6999 SSE based conditional moves on LTGT/UNEQ conditions;
7000 Canonicalize EQ to NE.
7001 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
7002 (sse_mov?fcc_ne): New.
7004 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
7006 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7008 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
7009 register may be dead.
7011 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
7013 * Makefile.in (hash.o): Depend on CONFIG_H.
7015 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7017 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
7019 2001-03-15 Richard Henderson <rth@redhat.com>
7021 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
7022 (ASM_OUTPUT_DWARF_PCREL): New.
7023 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
7025 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7027 * cppfiles.c (stack_include_file): Use MAX of sysp.
7029 2001-03-15 Steve Ellcey <sje@cup.hp.com>
7031 * config.gcc (ia64*-*-hpux*): New case.
7032 * config/ia64/hpux.h: New file for HP-UX support.
7033 * config/ia64/t-hpux: New file for HP-UX support.
7035 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
7037 * fixinc/inclhack.def (irix_stdio_va_list): New.
7038 * fixinc/fixincl.x: Rebuilt.
7040 2001-03-15 Richard Henderson <rth@redhat.com>
7042 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
7043 if provided by the target.
7044 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
7045 (dw2_asm_output_addr): New.
7046 * dwarf2asm.h (dw2_asm_output_addr): Declare.
7047 * dwarf2out.c (output_cfi): Use it for program addresses.
7048 (output_call_frame_info, output_die): Likewise.
7049 (output_aranges, output_line_info): Likewise.
7051 2001-03-15 Bruce Korb <bkorb@gnu.org>
7053 * gcc.c(main): make more rigorous
7054 * collect2.c(main): guard against ignoring SIGCHLD
7055 * protoize.c(main): ditto
7056 * gcc/fixinc/fixincl.c(initialize): ditto
7058 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7060 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
7061 (sdbout_parms): Likewise.
7063 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
7065 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
7066 "widen" a destination that is already wider than a word. Also do
7067 not widen if LOAD_EXTEND_OP is NIL for the given mode.
7069 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7071 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
7073 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
7075 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
7077 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
7079 * i960.h (i960_maxbitalignment,
7080 i960_last_maxbitalignment): Declare.
7081 * i960.c (i960_maxbitalignment,
7082 i960_last_maxbitalignment): Make global.
7083 (process_pragma): Delete.
7084 (i960_pr_align, i960_pr_noalign): Move from here ...
7085 * i960-c.c: ... to this new file.
7086 * t-960bare (i960-c.o): New rule.
7087 * t-vxworks960 (i960-c.o): Likewise.
7088 * config.gcc (i960-*-*): Define c_target_objs and
7091 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7093 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
7094 without adding in rtx code and mode.
7096 * alias.c (init_alias_analysis): Don't use any rtx whose value
7097 varies as a known value.
7098 Delete a superfluous test.
7100 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
7102 (ia64_sched_reorder): Call maybe_rotate; also rotate after
7103 scheduling a stop bit.
7104 (ia64_emit_nops): Correctly handle ASMs.
7106 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7108 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
7110 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
7112 * cpp.texi: Update documentation for -include and -imacros.
7113 * cppfiles.c (struct include_file): Remove "defined" memeber.
7114 (find_or_create_entry): Make a copy of the file name, and
7116 (open_file): Update to ensure we use the simplified filename.
7117 (stack_include_file): Don't set search_from.
7118 (cpp_included): Don't simplify the path name here.
7119 (find_include_file): New prototype. Call search_from to
7120 get the start of the "" include chain. Don't simplify the
7122 (_cpp_execute_include): New prototype. Move diagnostics to
7123 do_include_common. Update.
7124 (_cpp_pop_file_buffer): Don't set defined.
7125 (search_from): New prototype. Use the preprocessor's cwd
7126 for files included from the command line.
7127 (read_name_map): Don't simplify the pathname here.
7128 * cpphash.h (enum include_type): New.
7129 (struct buffer): Delete search from. New search_cached.
7130 (_cpp_execute_include): Update prototype.
7131 * cppinit.c (do_includes): Use _cpp_execute_include.
7132 * cpplib.c (do_include_common): New function.
7133 (do_include, do_include_next, do_import): Use it.
7135 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7137 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
7138 contents of the RTL, to determine the name of the object.
7140 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7142 * tree.h (DECL_RTL): Allocate RTL lazily.
7143 (SET_DECL_RTL): New macro.
7144 (DECL_RTL_SET_P): Likewise.
7145 (COPY_DECL_RTL): Likewise.
7146 (DECL_RTL_IF_SET): Likewise.
7147 * varasm.c (make_decl_rtl): Add assertions about the kind of
7148 declaration we are processing.
7149 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
7150 (start_decl): Likewise.
7151 (finish_decl): Likewise.
7152 * c-semantics.c (emit_local_var): Likewise.
7153 * calls.c (expand_call): Likewise.
7154 * dbxout.c (dbxout_symbol): Likewise.
7155 * emit-rtl.c (unshare_all_rtl): Likewise.
7156 (unshare_all_decls): Likewise.
7157 (reset_used_decls): Likewise.
7158 * expr.c (store_constructor): Likewise.
7159 (safe_from_p): Likewise.
7160 (expand_expr): Likewise.
7161 * function.c (put_var_into_stack): Likewise.
7162 (instantiate_decls_1): Likewise.
7163 (assign_parms): Likewise.
7164 (expand_function_start): Likewise.
7165 (expand_function_end): Likewise.
7166 * ggc-common.c (gcc_mark_trees): Likewise.
7167 * integrate.c (function_cannot_inline_p): Likewise.
7168 (copy_decl_for_inlining): Likewise.
7169 (expand_inline_function): Likewise.
7170 (integrate_parm_decls): Likewise.
7171 (integrate_decl_tree): Likewise.
7172 * print-tree.c (print_node): Likewise.
7173 * reg-stack.c (stack_result): Likewise.
7174 * stmt.c (label_rtx): Likewise.
7175 (expand_return): Likewise.
7176 (expand_decl): Likewise.
7177 (expand_decl_cleanup): Likewise.
7178 (expand_anon_union_decl): Likewise.
7179 * toplev.c (check_global_declarations): Likewise.
7180 (rest_of_decl_compilation): Likewise.
7181 * tree.c (simple_cst_equal): Likewise.
7182 * objc/objc-act.c (generate_static_references): Likewise.
7184 2001-03-14 Zack Weinberg <zackw@stanford.edu>
7186 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
7187 gcc_AC_C_FLOAT_FORMAT): New macros.
7188 * configure.in: Add AC_PROG_CPP after CC tests;
7189 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
7190 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
7191 * configure, config.in: Regenerate.
7193 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
7194 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7195 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7196 config/i370/xm-linux.h, config/i370/xm-oe.h,
7197 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7198 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
7199 config/pa/xm-linux.h, config/pa/xm-pa.h,
7200 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
7201 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
7202 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
7203 config/we32k/xm-we32k.h: Delete.
7205 * config/i370/xm-mvs.h, config/m88k/m88k.h,
7206 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7207 config/vax/xm-vms.h: Don't define any of:
7208 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
7210 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
7212 * config.gcc: Remove references to deleted files.
7213 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
7214 FATAL_EXIT_CODE, which is the same between oe and mvs).
7216 2001-03-14 DJ Delorie <dj@redhat.com>
7217 Vladimir Makarov <vmakarov@redhat.com>
7219 * config/i960/i960.c (i960_function_prologue): Compute size of
7220 frame according to number of registers actually saved there.
7222 2001-03-14 Richard Henderson <rth@redhat.com>
7224 * expr.c (emit_move_insn_1): Fix else if around #endif.
7226 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
7229 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
7232 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
7234 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
7235 (override_options): Parse cmodel string.
7236 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
7237 * i386.h (TARGET_OPTIONS): Add "cmodel".
7238 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
7240 (ix86_cmodel_string, ix86_cmodel): Declare.
7242 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
7245 * i386.h (GENERAL_REG_P): Add missing REG_P.
7247 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
7249 * configure.in: Use $gcc_cv_as instead of $as.
7250 * configure: Regenerated.
7252 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
7254 * cppfiles.c (stack_include_file): Only increase the include
7255 count if we actually process the file properly, as opposed
7256 to treating it as length zero. Only call read_include_file
7257 if not DO_NOT_REREAD. Handle the -H include file output
7259 (read_include_file): Remove now redundant DO_NOT_REREAD check.
7260 (cpp_included, find_include_file): Simplify pathnames after
7261 remapping them. If remapping, don't use the remapped file
7262 name's buffer as our scratch buffer.
7263 (cpp_pop_file_buffer): Replace the multiple include macro
7264 only if it isn't yet set.
7265 (read_name_map): Simplify remapped names when reading in.
7266 (remap_filename): Move code to code path that uses it.
7267 (_cpp_simplify_pathname): Return the input pointer.
7268 * cpphash.h (_cpp_simplify_pathname): Update prototype.
7270 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7272 * expr.c (expand_expr): Revove bogus conditional.
7274 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
7276 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
7278 2001-03-14 Jakub Jelinek <jakub@redhat.com>
7280 * reg-stack.c (stack_result): Unconditionally use
7281 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
7283 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
7285 * expr.c (emit_move_insn_1): Split push of complex value when
7286 no suitable push instruction exist.
7288 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
7289 instead of QI_REG_P.
7291 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7293 * alias.c (handled_component_p, can_address_p): New functions.
7294 (get_alias_set): Use them.
7296 2001-03-13 Jim Wilson <wilson@redhat.com>
7298 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
7299 from 80 in try_locals code.
7300 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
7302 2001-03-13 Zack Weinberg <zackw@stanford.edu>
7304 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
7305 gcc_AC_C_LONG_LONG): New.
7306 * configure.in: Use them. Probe the size of short, int, long,
7307 and long long/__int64 if we have them. Move all the AC_C_*
7308 checks together, except gcc_AC_C_CHAR_BIT which has to go
7309 after AC_CHECK_HEADERS(limits.h).
7310 Take hwint.h out of host_xm_file and build_xm_file.
7312 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
7313 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
7314 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
7315 Move the HOST_WIDEST_INT setup logic here from system.h.
7316 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
7318 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
7319 is now handled by hwint.h.
7321 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
7322 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
7323 config/ia64/xm-ia64.h: Don't define any of:
7324 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
7325 HOST_BITS_PER_LONGLONG.
7327 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
7328 config/h8300/xm-h8300.h, config/mips/iris6.h,
7329 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
7330 config/sparc/xm-sp64.h: Delete.
7331 * config.gcc: Remove references to deleted files.
7333 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
7334 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
7335 * config/i370/xm-linux.h: Clarify floating-point situation in
7338 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
7340 * cppfiles.c (NO_INCLUDE_PATH): New macro.
7341 (find_include_file): Decide here which part of the include
7342 chain to start the search. Complain about an empty include
7343 chain in all cases apart from an abolsute file name.
7344 (_cpp_execute_include): Don't choose the search chain here.
7345 Don't call handle_missing_include in the case of an empty
7347 (_cpp_compare_file_date): Don't choose the search chain here.
7348 * cpplib.c (do_include_next): Move the in-main-file diagnostic
7349 here from _cpp_execute_include. Behave like #include if
7350 we're in the main file.
7352 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7354 * system.h (malloc, realloc, calloc, strdup): Only poison these
7355 tokens when IN_GCC is defined.
7357 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
7359 * i386.md (abs?f expander): Support SSE case.
7360 (abd?f_if): Add new "USE"; add splitters.
7362 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7364 * cpp.texi (poison): Explain the macro expansion exception.
7366 2001-03-13 Jakub Jelinek <jakub@redhat.com>
7368 * expr.c (store_expr): Add dont_store_target. If temp is already in
7369 target before copying to reg, don't store it into target again.
7371 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7373 * cppinternals.texi: Update for file handling.
7375 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7377 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
7378 2001-02-24 which broke building the Java library.
7379 * function.c (identify_blocks): Likewise.
7380 (all_blocks): Likewise.
7381 * integrate.c (integrate_decl_tree): Likewise.
7382 * print-tree.c (print_node): Likewise.
7383 * tree.h (BLOCK_NUMBER): Likewise.
7384 (struct tree_block): Likewise.
7386 2001-03-12 David Edelsohn <edelsohn@gnu.org>
7388 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
7389 __WCHAR_TYPE__ definition.
7390 (WCHAR_TYPE_SIZE): #undef before #define.
7392 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7394 * cppfiles.c: Update comments.
7395 (destroy_include_file_node): Rename destroy_node.
7396 (find_or_create_entry): New function.
7397 (open_file, _cpp_fake_include): Use it.
7398 (handle_missing_header): New function, broken out of
7399 _cpp_execute include. Don't segfault if there is no
7400 system or quoted path.
7401 (_cpp_execute_include): Use handle_missing_header.
7403 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7405 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
7406 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
7408 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7410 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
7411 unless anti_dependence says they are.
7412 * alias.c (objects_must_conflict): If neither has a type specified,
7415 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7416 David Billinghurst <David.Billinghurst@riotinto.com>
7418 * config/mips/iris5.h: Change WCHAR_TYPE to int.
7420 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
7422 * i386.md (trunctfdf2_2): Rename missnamed pattern.
7423 (*_one_bit): Remove type on the match_operand in attributes.
7425 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
7427 * i386.c: Commit forgotten hunk in previous patch.
7428 (regclass_map): Add extended registers.
7429 (dbx_register_map): Add missing frame register.
7431 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
7433 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
7435 * i386.md (x86_sahf_1): Disable for 64bit.
7436 (popsi*, pophi*): Likewise.
7437 (pushqi, pushhi): Likewise.
7438 (movdi, pushdi): Likewise.
7439 (zero extend DImode splitter): Likewise.
7440 (adddi, minusdi splitter): Likewise.
7441 (umulsidi): Likewise.
7443 (mulsidi): Disable for 64bit
7444 (lshift:DI/ashift:DI): Disable for 64bit.
7445 (loop patterns): Likewise.
7446 (call_pop, call_value_pop expanders and patterns): Likewise.
7447 (prologue_get_pc): Likewise.
7449 (fcmovDI pattern and splitter): Likewise.
7450 (movdfcc_1_rex64): New.
7452 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
7454 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
7455 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
7456 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
7457 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
7458 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
7459 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
7460 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
7461 (PUSH_ROUNDING): x86_64 rounds to 64bits.
7462 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
7463 (REGPARM_MAX): Set to 6 for x86_64.
7464 (SSE_REGPARM_MAX): Set to 16 for x86_64.
7465 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
7468 * (patterns that does use upper halves): Update constraints
7469 'q' to 'Q' and 'r' to 'R'.
7470 (cmpqi_ext_1): Disable for 64bit.
7471 (cmpqi_ext_3_insn): Likewise.
7472 (movqi_extzv_1): Likewsie.
7473 (addqi_ext_1): Liekwsie
7474 (testqi_ext_1): Liekwsie
7475 (andqi_ext_1): Liekwsie
7476 (xorqi_ext_1): Liekwsie
7477 (cmpqi_ext_1_rex64): New.
7478 (cmpqi_ext_3_insn_rex64): Likewise.
7479 (movqi_extzv_1_rex64): Likewsie.
7480 (addqi_ext_1_rex64): Liekwsie
7481 (testqi_ext_1_rex64): Liekwsie
7482 (andqi_ext_1_rex64): Liekwsie
7483 (xorqi_ext_1_rex64): Liekwsie
7485 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7487 * configure.in: Move check for unsigned enumerated bitfields
7488 to macro in aclocal.m4. Disable it for now.
7489 * configure, config.in: Regenerate.
7490 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
7491 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
7492 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
7493 kind above its first use.
7495 * config/xm-interix.h, config/alpha/xm-alpha.h,
7496 config/i370/xm-linux.h, config/i386/xm-beos.h,
7497 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
7498 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7499 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
7500 Don't define ONLY_INT_FIELDS under any circumstances.
7502 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
7504 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7505 config/sparc/xm-sysv4.h: Delete - now identical with some
7507 * config.gcc (hppa targets): Replace xm-pahpux.h and
7508 xm-papro.h with implicit xm-pa.h.
7509 (sparc targets): Replace xm-sysv4.h with implicit or explicit
7512 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
7514 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
7515 before reload_cse_noop_set_p.
7517 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7519 * config.gcc: Where xm-host.h used to include another
7520 xm-host.h, list the nested header directly in xm_file. Remove
7521 references to deleted files. Can now use sparc/xm-sp64.h for
7524 * config/xm-linux.h, config/arm/xm-linux.h,
7525 config/i386/xm-dos.h, config/i386/xm-gnu.h,
7526 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
7527 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
7528 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
7529 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
7532 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
7533 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
7534 bother to wrap #undef in #ifdef.
7535 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
7536 Don't include xm-linux.h.
7537 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
7539 * configure.in: Wrap regexps using [] in changequote block.
7540 Use expr : not echo | grep. Simplify regexps.
7541 * configure: Regenerate.
7543 56 xm-files remain, 22 xm-arch.
7545 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7547 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
7548 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7549 (local_index, local_rindex): Delete, use strchr/strrchr instead.
7550 (copy_object): Fix format specifier vs argument mismatch.
7552 * mips-tdump.c: Make local functions static.
7553 (rindex): Don't #undef.
7554 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7555 (fatal, fancy_abort): Delete.
7556 (read_seek): Avoid signed/unsigned compare.
7558 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7560 * combine.c (try_combine): Fix error in change to try original
7562 (gen_rtx_combine): Do same as gen_rtx for now.
7564 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7566 * configure.in: AC_SUBST xm_defines.
7567 * configure: Regenerate.
7568 * Makefile.in: Set DEFINES=$(xm_defines) when building
7571 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
7573 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
7574 (cpp_included, find_include_file): Update.
7575 (_cpp_compare_file_date): Make else unconditional.
7577 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
7579 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
7581 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
7583 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
7584 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
7586 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
7588 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
7589 if it's a record type.
7591 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
7593 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
7594 mingw includes slightly.
7596 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7598 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
7599 #undef token before poisoning it.
7601 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7603 * alpha.c (check_float_value): Use memcpy, not bcopy.
7605 * m32r.c (m32r_sched_reorder): Likewise.
7607 * vax.c (check_float_value): Likewise.
7609 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7611 * toplev.c (file_name_nondirectory): Remove.
7612 * toplev.h: Similarly.
7613 * dwarf2out.c (compute_section_prefix): Use lbasename instead
7614 of file_name_nondirectory.
7616 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7618 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
7619 * mips-tfile.c: Don't #undef rindex; not used.
7621 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
7623 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
7624 (dbx64_register_map): Declare.
7625 (RETURN_ADDR_RTX): Fix for 64bit.
7626 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
7627 (INCOMING_FRAME_SP_OFFSET): Set to 8.
7628 * i386.c (dbx64_register_map): New global array.
7629 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
7630 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
7633 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7635 * cppfiles.c (search_from): Use lbasename.
7636 * mkdeps.c (deps_add_default_target): Use lbasename.
7638 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7640 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
7641 xcalloc in lieu of malloc, realloc & calloc.
7643 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
7645 * gengenrtl.c (xmalloc): Likewise.
7647 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
7648 really_call_* memory allocation routines.
7650 * stmt.c (check_for_full_enumeration_handling): Use
7651 really_call_calloc, not calloc.
7653 * system.h (really_call_malloc, really_call_calloc,
7654 really_call_realloc): Define.
7655 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
7657 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
7659 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
7661 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
7663 * configure: Rebuilt.
7664 * configure.in: Only use `lang_requires' for languages athat are
7667 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
7669 * invoke.texi: Fix typo.
7670 * gcc.1: Regenerate.
7672 2001-03-09 Zack Weinberg <zackw@stanford.edu>
7674 * configure.in: Prune nonexistent files from build_xm_file,
7675 xm_file, and host_xm_file lists. Warn unless they're
7677 Don't generate *config.h here.
7678 AC_SUBST all variables needed to generate *config.h.
7679 * configure: Regenerate.
7680 * mkconfig.sh: New helper script, from code removed from
7682 * Makefile.in: Zap all MALLOC variables - no longer used
7683 anywhere, and malloc.c doesn't exist.
7684 Substitute in variables needed to generate *config.h.
7685 Stop lying about the dependencies contained in CONFIG_H and
7687 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
7688 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
7689 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
7690 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
7691 $(TM_P_H), etc. as appropriate.
7693 * config.gcc: Zap references to deleted files.
7694 * ggc-none.c: Don't include rtl.h or tm_p.h.
7696 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
7697 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
7698 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
7699 config/i386/xm-linux.h, config/i386/xm-linux.h,
7700 config/i386/xm-next.h, config/i386/xm-openbsd.h,
7701 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
7702 Don't include i386/xm-i386.h.
7704 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
7705 config/i386/xm-i386.h, config/i860/xm-i860.h,
7706 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
7707 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7708 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
7709 Delete (empty except comments, #includes of other deleted
7710 files, and macros used nowhere).
7712 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
7714 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
7715 independent on TARGET_FLAGS.
7717 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
7719 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
7721 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
7723 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
7725 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
7726 LAST_REX_SSE_REG): define.
7727 (enum reg_class): Add 'LEGACY_REGS'
7728 (REG_CLASS_CONTENTS): Likewise; add extended registers.
7729 (SSE_REGNO_P): Recognize extended registers.
7730 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
7731 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
7732 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
7733 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
7734 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
7735 REG_OK_FOR_STRREG_P): Remove.
7736 (HI_REGISTER_NAMES): Add extended registers.
7737 (ADDITIONAL_REGISTER_NAMES): Likewise.
7738 (QI_REGISTER_NAMES): Add 8bit extended registers.
7739 (DEBUG_REG): Support extended registers.
7740 * i386.c (regclass_map): Add extended registers.
7741 (dbx_register-map): Likewise.
7742 (svr4_dbx_register_map): Likewise.
7743 (print_reg): Support extended registers.
7744 (print_operand): Support 64bit operands.
7746 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
7748 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
7749 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7750 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
7751 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
7752 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
7753 STACK_BOUNDARY): Set properly for 64bits.
7754 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
7755 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
7756 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
7757 (MOVE_MAX): Set to 16.
7758 (MOVE_MAX_PIECES): 8 for 64bit.
7759 (Pmode): Set to SImode.
7761 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
7763 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
7765 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
7767 * i386.h (mask_64bit): New constant.
7768 (target_64bit): New macro.
7769 (target_options): Add '64'/'32'
7770 (target_default): Define.
7771 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
7772 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
7773 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
7775 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
7777 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
7779 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
7781 * rtlanal.c (rtx_varies_p): Check operand 0 of a
7782 LO_SUM unless for_alias is set.
7784 2001-03-08 Stan Shebs <shebs@apple.com>
7786 * objc/objc-act.c: Fix old typos in comments, add comments for
7788 (hash_init): Fix file name in error message.
7789 (hash_enter): Ditto.
7790 (hash_add_attr): Ditto.
7791 (continue_class): Ditto.
7793 2001-03-08 Bruce Korb <bkorb@gnu.org>
7795 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
7796 wait4() can receive the signal.
7798 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7800 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
7802 * fixinc/fixincl.x: Regenerate.
7804 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7806 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
7808 * fixinc/fixincl.x: Regenerate.
7810 2001-03-08 Richard Henderson <rth@redhat.com>
7812 * configure.in (HAVE_AS_LEB128): New assembler check.
7813 * configure, config.in: Rebuilt.
7815 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
7817 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
7820 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7822 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
7823 references to the MAXPATHLEN macro.
7825 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
7826 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
7829 * config/i386/xm-gnu.h, config/xm-gnu.h,
7830 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
7831 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
7832 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
7833 and/or unused files.
7835 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
7836 doing so in various xm-*.h files.
7838 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7840 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
7842 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
7844 * configure.in (enable_shared): Support per-package shared-library
7846 * configure: Rebuilt.
7848 2001-03-07 David Edelsohn <edelsohn@gnu.org>
7850 * rs6000.md (cr logic): Add original POWER mnemonic alternative
7851 for crnot. Set operands[5] in splitter.
7853 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7855 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
7856 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
7857 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
7858 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
7859 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
7860 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
7861 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
7864 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
7865 config/i370/xm-i370.h, config/i386/xm-dgux.h,
7866 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
7867 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
7868 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
7869 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
7870 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
7871 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
7872 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
7873 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
7874 Delete unused and/or empty files.
7876 * config.gcc: Define USG in xm_defines as appropriate. Define
7877 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
7878 macro. Remove deleted xm-* files from $xm_files variable.
7880 2001-03-07 Tom Tromey <tromey@redhat.com>
7882 * configure: Rebuilt.
7883 * configure.in: Allow config-lang.in to set `lang_requires' to list
7884 of other required languages.
7886 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
7888 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
7890 (output_prologue): Use xmalloc not oballoc.
7891 (output_epilog): Free a29k_first_epilogue_insn when finished.
7892 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
7894 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
7896 * builtins.c (expand_builtin_mathfn): Check
7897 flag_unsafe_math_optimizations, not flag_fast_math.
7898 (expand_builtin): Likewise
7899 * combine.c (combine_simplify_rtx): Likewise.
7900 (simplify_if_then_else): Likewise.
7901 * cse.c (fold_rtx): Likewise.
7902 * flags.h: Remove flag_fast_math. Add
7903 flag_unsafe_math_optimizations and flag_trapping_math.
7904 * fold-const.c (negate_expr): Check
7905 flag_unsafe_math_optimizations, not flag_fast_math.
7906 (invert_truthvalue): Likewise.
7907 (fold): Likewise. Before associating operands, check that
7908 code == MULT_EXPR, not code != MULT_EXPR.
7909 * ifcvt.c (noce_try_minmax): Check
7910 flag_unsafe_math_optimizations, not flag_fast_math.
7911 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
7912 * invoke.texi: Document -funsafe-math-optimizations and
7913 -fno-trapping-math. Change documentation for -ffast-math.
7914 * jump.c (reversed_comparison_code_parts): Likewise.
7915 (rtx_equal_for_thread_p): Likewise.
7916 * optabs.c (emit_conditional_move): Likewise.
7917 * simplify-rtx.c (simplify_binary_operation): Likewise.
7918 (simplify_relational_operation): Likewise.
7919 (simplify_ternary_operation): Likewise.
7920 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
7921 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
7922 Add trapping-math and unsafe-math-optimizations entries to f_options.
7923 (set_fast_math_flags): New, sets flags for -ffast-math.
7924 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
7925 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
7926 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
7928 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
7929 (alpha_emit_conditional_move): Initialize local_fast_math to
7930 flag_unsafe_math_optimizations, not flat_fast_math.
7931 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
7932 instead of setting flag_fast_math to 1.
7933 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
7935 * config/i386/i386.c (override_options): Likewise
7936 * config/i386/i386.md: Likewise.
7937 * config/m68k/m68k.md: Likewise.
7938 * config/mips/mips.md: Likewise.
7939 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
7940 (rs6000_generate_compare): Likewise.
7942 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7944 * Makefile.in: Set RANLIB to @RANLIB@.
7947 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7949 * fixinc/inclhack.def (djgpp_wchar_h): New test.
7950 * fixinc/fixincl.x: Regenerated.
7952 2001-03-07 Richard Henderson <rth@redhat.com>
7954 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
7956 2001-03-07 Richard Henderson <rth@redhat.com>
7958 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
7959 of block notes and exception handling notes.
7961 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
7962 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
7963 (compile_file): ... here.
7965 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7967 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
7969 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
7970 config.h now. Include libiberty.h to handle alloca.
7972 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7974 * c-parse.in (yylexname): New function, split out of _yylex.
7975 (objc_rid_sans_at): New table.
7976 (init_reswords): Initialize it.
7977 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
7978 retrieving the next token and checking it for significance as
7979 an ObjC keyword or string constant.
7981 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
7982 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
7984 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
7987 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
7989 * config/m68k/m68k.c (const_uint32_operand): Accept any
7990 const_int on a 32-bit host.
7992 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
7994 * objc/objc-act.c (init_objc): Set save_lang_status,
7995 restore_lang_status, and mark_lang_status.
7997 2001-03-06 Krister Walfridsson <cato@df.lth.se>
7999 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
8001 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
8003 * cppinternals.texi: Update.
8005 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8007 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8008 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
8009 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
8010 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8011 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
8012 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8013 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
8014 config/i386/xm-i386.h, config/i860/xm-i860.h,
8015 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8016 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
8017 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8018 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8019 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8020 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8021 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
8022 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8023 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
8024 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8025 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8026 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
8027 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
8028 match the defaults provided in hwint.h.
8030 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8031 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
8033 * config.gcc (xm_file): Don't set to files which are deleted.
8035 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
8036 guard this file against these macros being undefined.
8038 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8040 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
8041 and DECL_DEFER_OUTPUT on the decl we create, before calling
8042 rest_of_decl_compilation.
8044 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8046 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
8048 * configure, config.in: Regenerate.
8049 * config.gcc: Remove references to deleted files.
8051 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
8052 genrecog.c, rtl.c: Do not use alloca anywhere.
8054 * Makefile.in, build-make, system.h, config/x-interix,
8055 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
8056 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
8057 config/arc/xm-arc.h, config/arm/xm-arm.h,
8058 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8059 config/h8300/xm-h8300.h, config/i370/x-oe,
8060 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
8061 config/i386/x-ncr3000, config/i386/x-sco5,
8062 config/i386/xm-dgux.h, config/i860/x-sysv4,
8063 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
8064 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
8065 config/m68k/x-hp320g, config/m69k/x-mot3300,
8066 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
8067 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
8068 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
8069 config/m88k/x-sysv4, config/m88k/x-tekXD88,
8070 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8071 config/mips/x-iris, config/mips/x-iris3,
8072 config/mips/x-sni-svr4, config/mips/x-sysv,
8073 config/mips/xm-iris6.h, config/mips/xm-mips.h,
8074 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
8075 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
8076 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8077 config/pa/xm-papro.h, config/romp/xm-romp.h,
8078 config/rs6000/x-aix31, config/rs6000/x-aix41,
8079 config/rs6000/x-beos, config/rs6000/x-lynx,
8080 config/rs6000/x-mach, config/rs6000/x-rs6000,
8081 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
8082 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8083 config/sparc/x-sysv4, config/sparc/xm-linux.h,
8084 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
8085 config/vax/xm-vms.h: Eradicate all references to alloca and
8088 * config/xm-alloca.h, config/clipper/x-clix,
8089 config/i386/xm-sysv4.h, config/i860/x-fx2800,
8090 config/i860/x-sysv3, config/m88k/x-sysv3,
8091 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
8092 (contained only alloca related hacks).
8094 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
8097 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
8099 * invoke.texi: Document __FAST_MATH__.
8101 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8103 * crtstuff.c: Restore include of auto-host.h.
8105 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
8107 Put main() in a separate file, so that the language
8108 front-end can use a different main().
8111 * toplev.c: (main): Rename as toplev_main.
8112 * toplev.h: Declare toplev_main.
8113 * Makefile.in (OBJS): add toplev.o.
8114 (BACKEND): remove toplev.o, add main.o.
8116 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8118 * cppfiles.c (search_from): Special case the empty string.
8120 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8122 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
8123 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
8124 strlen or strcpy; we already know the length.
8125 (_cpp_compare_file_date): Similarly.
8126 * cpphash.h (struct cpp_reader): Delete done_initialising.
8127 (CPP_PREV_BUFFER): Delete.
8128 * cppinit.c (cpp_start_read): Don't set done_initialising.
8129 * cpplex.c (parse_string): Guarantee null-termination.
8130 (_cpp_equiv_toklists): Remove.
8131 * cpplib.c (glue_header_name): Null-terminate.
8132 (do_line): Don't leak memory.
8133 * cpplib.h (BT_WEAK): Delete.
8134 * cppmain.c (cb_ident): Strings are now null-terminated.
8136 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
8138 * gcc.c (convert_filename): Append executable suffix
8139 if NO_AUTO_EXE_SUFFIX is not defined.
8140 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
8141 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
8143 2001-03-03 David O'Brien <obrien@FreeBSD.org>
8145 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8146 * c-parse.gperf, c-gperf.h: Delete.
8147 (c-gperf.h was accidently re-added to the CVS repo in the rev
8148 1.16 commit by tromey)
8150 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8152 * cpplex.c (_cpp_lex_token): Don't warn about directives in
8153 macro arguments when looking for the '('.
8154 * cppmacro.c (funlike_invocation_p): Set parsing_args to
8155 2 when really parsing arguments; 1 when looking for '('.
8156 Always restore the lexer position.
8158 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8160 * longlong.h (umul_ppmm): Don't use a multiline string.
8162 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
8164 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
8165 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
8166 t_bool in declaration because pcc can't combine volatile with typedef
8169 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
8171 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
8172 until when it is really needed.
8173 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
8174 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
8175 * i386.md (float?i?f splitter): Don't force source operand to memory
8177 (sse_movdfcc): Fix constraint.
8178 (sse_movdfcc splitter): Handle properly the second alternative.
8180 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8182 * cpplex.c (parse_string): Unconditionally pedwarn.
8184 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8187 * cppexp.c (parse_number): Update.
8188 * cpplex.c (parse_string): Pedwarn if multiline string does not
8189 result from a system header's macro.
8190 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
8191 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
8192 for function-like macros too.
8193 * c-lex.c (lex_number): Update.
8195 2001-03-03 Richard Henderson <rth@redhat.com>
8197 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
8199 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
8201 * combine.c (try_combine): If split with mode-changed scratch
8202 register didn't work, try the original mode.
8204 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
8206 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
8207 * config/c4x/c4x.h: Likewise.
8208 * stor-layout.c (compute_record_mode): Likewise.
8209 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
8211 2001-03-02 Zack Weinberg <zackw@stanford.edu>
8213 * configure.in: Kill tm.h. Include the files in the $tm_file
8214 list in all three of config.h, hconfig.h, tconfig.h, after the
8215 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
8216 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
8217 * configure: Regenerate.
8218 * Makefile.in (clean): Don't delete tm.h.
8220 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
8221 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
8222 those are not defined, set SEC and FEC to 0 and 1.
8223 * gcc.texi: Update to match.
8225 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
8226 * config/fp-bit.c, config/m68k/aux-crt2.asm,
8227 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
8228 Include tconfig.h, not tm.h.
8230 * config/xm-lynx.h, config/xm-std32.h,
8231 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8232 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
8233 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
8234 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8235 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8236 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8237 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
8238 config/i386/xm-i386.h, config/i860/xm-i860.h,
8239 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8240 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
8241 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8242 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8243 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8244 config/pa/xm-linux.h, config/pa/xm-pa.h,
8245 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8246 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
8247 config/pj/xm-pj.h, config/romp/xm-romp.h,
8248 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8249 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8250 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8251 config/v850/xm-v850.h, config/vax/xm-vax.h,
8252 config/we32k/xm-we32k.h:
8254 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
8256 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
8257 config/i370/xm-oe.h: Don't include tm.h. Don't define
8259 * config/vax/xm-vms.h: Don't include tm.h.
8261 * config/xm-lynx.h, config/avr/xm-avr.h,
8262 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
8263 Delete; made empty by above changes.
8264 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8265 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
8266 Don't include config/xm-lynx.h or tm.h.
8268 * config/xm-gnu.h: Don't include fcntl.h.
8269 * config/sparc/xm-lynx.h: Don't include sys/types.h and
8271 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
8273 2001-03-02 Richard Henderson <rth@redhat.com>
8275 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
8276 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
8278 2001-03-02 Richard Henderson <rth@redhat.com>
8280 * Makefile.in (OBJS): Add dwarf2asm.o.
8281 * dwarf2asm.c, dwarf2asm.h: New files.
8282 * dwarf2out.c (*): Use them.
8283 (size_of_uleb128, size_of_sleb128): Remove.
8284 (output_uleb128, output_sleb128): Remove.
8285 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
8286 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
8287 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
8288 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
8289 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
8290 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
8291 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
8292 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
8293 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
8294 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8295 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
8296 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
8297 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
8298 (dwarf2out_frame_debug): Remove unused variables.
8299 (output_loc_operands): Don't abort on 8 byte constants if
8300 host integers are wide enough.
8301 (output_symbolic_ref): Remove.
8302 (size_of_die): Don't assume 4 byte host integers.
8303 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
8305 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
8306 something stupid with HOST_WIDE_INT to long truncation.
8307 [CONST_DOUBLE]: Likewise.
8309 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
8310 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8311 * config/arm/unknown-elf.h: Likewise.
8312 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
8313 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
8314 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
8315 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
8316 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
8317 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
8318 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
8319 (ASM_OUTPUT_DWARF_OFFSET): Remove.
8320 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
8321 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
8322 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
8323 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
8325 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8327 * cselib.c (hash_rtx): Cast enums to unsigned int.
8329 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8331 * print-rtl.c (print_rtx): Cast enums to int for comparison.
8332 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
8334 * c-format.c (C_STD_VER): Cast to int for comparisons.
8335 (check_function_format): Cast various enums to int for &.
8336 (maybe_read_dollar_number): Likewise.
8337 (check_format_info): Likewise.
8338 (check_format_info_main): Likewise.
8339 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
8340 (safe_from_p): Likewise.
8341 * varasm.c (const_hash): Cast enum to int for %.
8342 * emit-rtl.c (init_emit_once): Use int loop variable to work around
8343 pcc enum problems with < and ++ operators.
8344 * regclass.c (init_reg_sets_1): Cast enums for comparison.
8345 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
8346 (regclass_init): Change enum class to int to iterate over reg_classes.
8347 * genrecog.c (merge_trees): Cast enums for comparison.
8348 * rtl.h (GET_CODE): Cast to enum rtx_code.
8349 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
8350 (GET_MODE): Cast to enum machine_mode.
8351 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
8352 (GET_NOTE_INSN_NAME): Cast enum to int.
8353 * tree.h (TREE_CODE): Cast to enum tree_code.
8354 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
8355 * timevar.c (timevar_print): Change loop variable id from enum to
8357 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
8358 * config/i386/i386.md: Use PUT_MODE for mode assignment.
8359 * toplev.c (compile_file): Cast enum DFI to int.
8360 (decode_d_option): Likewise.
8362 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
8364 * cppinit.c (append_include_chain): Mark "after" include file name list
8365 as a system directory.
8366 * cpp.texi: Document new behavior.
8368 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
8370 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
8372 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
8374 * cppfiles.c (struct include_file): Update.
8375 (stack_include_file): Use search_from.
8376 (cpp_included, find_include_file): Update.
8377 (cpp_execute_include): Update. ptr->name may not be
8378 null terminated. Use the new search_from member variable
8380 (_cpp_compare_file_date): Similarly.
8381 (search_from): New function, similiar to actual_directory.
8382 (actual_directory): Delete.
8383 (remap_filename): Update. loc->name may not be null terminated.
8384 (struct file_name_list): Rename search_path. Update.
8385 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
8386 search_from and dir.
8387 (struct cpp_reader): Remove actual_dirs.
8388 * cppinit.c (struct cpp_pending): Update for renamed objects.
8389 (append_include_chain, remove_dup_dir, remove_dup_dirs,
8390 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
8391 * cpplib.h (struct cpp_options): Similarly.
8393 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8395 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
8396 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
8397 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8398 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8399 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8400 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8401 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8402 config/i370/xm-linux.h, config/i370/xm-mvs.h,
8403 config/i370/xm-oe.h, config/i386/xm-aix.h,
8404 config/i386/xm-i386.h, config/i386/xm-osf.h,
8405 config/i860/xm-i860.h, config/i960/xm-i960.h,
8406 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8407 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
8408 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
8409 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
8410 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
8411 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8412 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8413 config/pj/xm-pj.h, config/romp/xm-romp.h,
8414 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8415 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8416 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8417 config/v850/xm-v850.h, config/vax/xm-vax.h,
8418 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
8419 Do not define TRUE or FALSE.
8421 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
8422 empty by above change.
8423 * config.gcc: Remove references to these files.
8425 * configure.in: Detect stdbool.h.
8426 * configure, config.in: Regenerate.
8427 * system.h: Include stddef.h here if available.
8428 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
8429 Then set up a sensible boolean type at the very end.
8431 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
8432 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
8434 * hash.h: Delete 'boolean' typedef and related #undefs.
8436 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
8437 all uses of 'boolean' with 'bool'.
8439 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8441 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
8442 * cppexp.c (lex): Cast enums for comparison.
8443 * cppinit.c (parse_option): Cast enum for comparison.
8444 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
8445 (cpp_output_token): Likewise.
8446 (cpp_can_paste): Cast enums for comparsion and plus/minus.
8447 (cpp_avoid_paste): Cast enums for minus and comparison.
8449 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8451 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
8452 field to all array elements.
8454 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8456 * cpphash.h (struct cpp_reader): Add print_version field.
8457 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
8458 just set print_version and other flags as appropriate.
8459 (cpp_post_options): Print version here if print_version is set.
8461 * toplev.c (exit_after_options): New flag.
8462 (independent_decode_option): Don't exit here; just set
8464 (main): Exit after calling lang_hooks.post_options if
8465 exit_after_options is true.
8467 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
8468 (merge_include_chains): Adjust comment to match code.
8470 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8472 * stringpool.c (set_identifier): New function.
8473 * tree.h: Prototype it.
8475 * c-parse.in: Kill D_YES. If compiled for objc, call
8476 save_and_forget_protocol_qualifiers from init_reswords.
8477 * objc/objc-act.c (remember_protocol_qualifiers,
8478 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
8479 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
8481 (save_and_forget_protocol_qualifiers): New function.
8482 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
8484 2001-03-01 Diego Novillo <dnovillo@redhat.com>
8486 * c-semantics.c (prune_unused_decls): Return error_mark_node
8487 instead of (tree) 1 to stop traversing the tree chain.
8489 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8491 Fix a problem introduced by Kenner's Feb 18 change.
8492 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
8493 flag_cse_skip_blocks only temporarily, not for ever.
8495 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
8497 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
8498 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
8500 * pa.c (emit_move_sequence): Verify operand0 is a hard register
8501 before determining its register class.
8503 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8505 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
8506 from reg 4 if current_function_calls_setjmp.
8507 (gen_nop_type): New function.
8508 (ia64_emit_nops): New function.
8509 (ia64_reorg): Call it.
8510 (ia64_sched_reorder): Move code that rotates bundles up a bit.
8512 * reload1.c (eliminate_regs_in_insn): Restrict the special case
8513 code not to try to optimize adds with anything but a REG destination.
8515 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
8516 (INSN_PRIORITY_KNOWN): New accessor macro.
8517 * haifa-sched.c (priority): Use it instead of testing priority against
8520 2001-02-28 DJ Delorie <dj@redhat.com>
8522 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
8523 since that doesn't work the way gcc wants on a generic m68k.
8525 2001-02-28 Richard Henderson <rth@redhat.com>
8527 * caller-save.c (save_call_clobbered_regs): Fix typo in
8528 comparison last change.
8530 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
8532 * i386.c (pentium4_cost): New.
8533 (m_PENT4): New macro.
8534 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
8535 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
8536 x86_integer_DFmode_moves, x86_partial_reg_dependency,
8537 x86_memory_mismatch_stall): Add Pentium4
8538 (x86_use_q_reg, x86_use_any_reg): Kill.
8539 (override_options): Add pentium4.
8540 (incdec_operand): Return 0 for pentium4.
8541 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
8542 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
8543 (TARGET_PENTIUM4): Define.
8544 (enum processor_type): Add PROCESSOR_PENTIUM4.
8545 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
8546 * i386.md (attribute "cpu"): Add pentium4.
8547 * invoke.texi (march): Add pentium4.
8549 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
8551 * i386.md (sse_mov?fcc*): New patterns and splitters.
8552 * i386.c (ix86_expand_movcc): Work post-reload; recognize
8553 the SSE based conditional moves.
8555 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
8557 * i386.md (attribute mode): Add "TI".
8558 (movsf_1): Add pxor support; remove constant propagation splitter.
8559 (movdf_integer): Likewise.
8560 (movdf_nointeger): Likewise.
8561 (movxf constant prop splitter): Handle all modes; update for SSE.
8562 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
8563 * i386.c (standard_80387_constant_p): Rewrite.
8564 (standard_sse_constant_p): New.
8565 * i386-protos.h (standard_sse_constant_p): New.
8567 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
8569 * i386.md (sse_setccsf, sse_setccdf): New.
8570 (sse_cmp* patterns): Use '%D' instead of outputtting condition
8572 * i386.c (sse_comparison_operator): Accept the supported unordered
8573 comparses; be ready for fast_math.
8574 (print_operand): Support 'D'.
8576 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
8578 * jump.c (reversed_comparison_code): Kill.
8580 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
8582 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
8585 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
8587 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
8588 add missing '%' in constraints.
8590 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
8592 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
8593 for HOST_BITS_PER_WIDE_INT == 32 too.
8595 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
8597 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
8599 (insert_save, insert_restore): New parameter save_mode.
8600 (init_caller_save): Update initialization of reg_save_code
8601 and reg_restore_code.
8602 (save_call_clobbered_regs): Compute save_modes and update calls to
8603 reg_save_code and reg_restore_code.
8604 (insert_restore): Unsignetize numbers; use save_modes to choose mode
8605 of spill; update use of reg_restore_code.
8606 (insert_save): Likewise.
8607 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8608 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8609 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
8611 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8613 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
8614 noce_try_store_flag_inc, noce_try_store_flag_mask,
8615 noce_try_cmove_arith):
8616 Use reversed_comparison_code instead of reverse_comparison and
8617 can_reverse_comparison_p.
8619 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
8621 * jump.c (reversed_comparison_code_parts): Allow reversal of
8622 unordered compares in -ffast-math mode; reverse ordered compares
8623 for FP even w/o -ffast-math.
8625 2001-02-27 Richard Henderson <rth@redhat.com>
8627 * print-rtl.c (print_rtx) [i]: Don't print field five on
8628 NOTEs other than NOTE_INSN_DELETED_LABEL.
8630 2001-02-27 Zack Weinberg <zackw@stanford.edu>
8632 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
8633 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
8635 2001-02-27 Diego Novillo <dnovillo@redhat.com>
8637 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
8638 even if walk_subtrees is 0.
8639 * c-semantics.c (prune_unused_decls): Return a non-null value to
8640 stop traversing the tree chain.
8642 2001-02-27 DJ Delorie <dj@redhat.com>
8644 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
8645 register, *then* define it as the new CFA.
8647 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
8649 * pa.c (override_options): Promote -fpic to -fPIC.
8650 (legitimize_pic_address): Simplify due to removal of
8651 small PIC as a code generation option.
8652 (secondary_reload_class): Similarly.
8653 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
8654 (PRINT_OPERAND_ADDRESS): Similarly.
8655 * pa.md (various patterns): Similarly.
8656 (small pic lo_sum pattern): Remove.
8658 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
8661 * md.texi (min, max): Document
8663 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
8665 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
8666 TARGET_PARTIAL_REG_DEPENDENCY.
8667 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
8669 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
8671 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
8673 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
8675 * mips.c (mips_make_temp_file): Fix thinko in last change.
8677 2001-02-26 Jason Eckhardt <jle@redhat.com>
8679 * combine.c (known_cond): Do not reverse the condition when
8680 SMAX/UMAX is being considered and the condition is for equality
8683 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
8685 2001-02-26 Philip Blundell <philb@gnu.org>
8687 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
8689 * config/arm/linux-elf.h: Remove historical relics related to
8690 above configurations.
8691 * config/arm/linux-oldld.h: Delete.
8692 * config/arm/linux-elf26.h: Delete.
8694 2001-02-26 Jason Merrill <jason@redhat.com>
8696 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
8698 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
8699 recognize a tentative definition. Lose obsolete code.
8701 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
8702 variables unless necessary, either.
8704 2001-02-25 Richard Henderson <rth@redhat.com>
8706 * ifcvt.c (struct noce_if_info): Add test_bb.
8707 (noce_get_alt_condition): New.
8708 (noce_try_minmax, noce_try_abs): New.
8709 (noce_operand_ok): New.
8710 (noce_process_if_block): Use them.
8711 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
8713 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
8715 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
8718 2001-02-25 Zack Weinberg <zackw@stanford.edu>
8720 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
8721 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
8723 (mips_asm_file_end): Free temp_filename here.
8725 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8727 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
8728 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
8730 * config/i386/i386.md (movstrsi): Handle FAIL case.
8732 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
8734 * cppinit.c (builtin_array): Update.
8735 (init_builtins): Flag builtins to warn if redefined or
8736 undefined. Define __GXX_WEAK as a normal macro.
8737 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
8738 * cpplib.h (NODE_WARN): New flag.
8739 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
8740 Handle __STDC__ as a builtin only on Solaris.
8741 (warn_of_redefinition): Renamed from check_macro_definition.
8742 Reverse sense of test. Always warn if NODE_WARN.
8743 (_cpp_create_definition): Use warn_of_redefinition. Flag
8744 any macro beginning with "__STDC_" to require a mandatory
8745 warning if redefined or undefined.
8747 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8749 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
8750 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
8751 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
8752 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
8753 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
8754 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
8755 Don't define any of:
8756 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
8757 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
8758 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
8759 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
8760 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
8762 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
8763 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
8766 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
8767 Delete now-empty file.
8769 * alpha/vms.h: Define NEED_ATEXIT here...
8770 * alpha/xm-vms.h: ...not here.
8772 * i386/cygwin.h: Don't define PARAMS.
8773 * mips/mips.c: Don't prototype mktemp. Don't define
8774 P_tmpdir. Use make_temp_file to create temporary files.
8775 Don't be clever and delete temporary files early.
8776 * config.gcc: Drop references to deleted files. Don't define
8778 * gcc.texi: Don't mention USE_PROTOTYPES.
8780 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8782 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
8783 (ix86_set_move_mem_attrs_1): Likewise.
8784 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
8785 * config/i386/i386.md (movstrsi): Call it.
8787 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8789 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
8790 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
8791 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
8792 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
8794 (i750a-*-*): Error here if hosting on i750a.
8795 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
8797 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
8798 Remove (empty modulo comments).
8800 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
8801 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
8802 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
8803 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
8804 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
8805 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
8807 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
8808 Remove reference to winnt.h in comment.
8809 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
8811 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8813 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
8814 used to set another biv.
8816 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8818 * tree.h (BLOCK_DEAD): New macro.
8819 (struct tree_block): New flag, dead_flag.
8820 * print-tree.c (print_node, case 'b'): Print missing fields.
8821 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
8822 * function.c (identify_blocks): Enable test for misplaced notes.
8823 (all_blocks): Skip BLOCK_DEAD blocks.
8824 * integrate.c (integrate_decl_tree): Likewise.
8826 * errors.c (internal_error, trim_filename): New functions.
8827 (fancy_abort): Call internal_error.
8828 * errors.h (internal_error, trim_filename): New declarations.
8830 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
8832 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
8834 (EXTRA_CONSTRAINT): Formatting changes.
8836 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8838 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
8840 2001-02-23 Per Bothner <per@bothner.com>
8842 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
8843 so they can be called from java/jvspec.c.
8844 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
8846 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
8848 * i386.c (ix86_frame): New structure.
8849 (ix86_compute_frame_size): Kill.
8850 (ix86_compute_frame_layout): New.
8851 (ix86_save_reg): New.
8852 (ix86_can_use_return_insn_p): Use frame layout stuff.
8853 (ix86_expand_prologue): Likewise.
8854 (ix86_expand_epilogue): Likewise.
8855 (ix86_initial_elimination_offset): Likewise.
8856 (ix86_nsaved_regs): Use ix86_save_reg.
8857 (ix86_emit_save_regs): Likewise.
8859 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
8861 * flow.c (find_sub_basic_blocks): New function.
8862 (split_block): Be ready for basic block introduced by CODE_LABEL.
8863 (commit_one_edge_insertion): Call find_sub_basic_block.
8865 * flow.c (make_edges): Add edge from entry for blocks starting with
8866 label having ALTERNATE_NAME
8868 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
8870 * function.c (epilogue_done): Be ready for first basic block not
8871 containing PROLOGUE_END note.
8872 (reposition_prologue_and_epilogue_notes): Avoid placing
8873 PROLOGUE_END note between BASIC_BLOCK.
8875 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
8877 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
8879 2001-02-21 DJ Delorie <dj@redhat.com>
8881 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
8882 check for current_function_has_nonlocal_goto from 1999-11-12.
8884 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8886 * diagnostic.c (trim_filename): No longer static.
8887 * toplev.h (trim_filename): Declare.
8888 * rtl.c (rtl_check_failed_bounds): Call internal_error.
8889 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
8890 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
8891 (rtvec_check_failed_bounds): Likewise.
8892 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
8894 * convert.c (convert_to_integer): Don't do unsigned unless result or
8895 both inputs are unsigned.
8897 * fold-const.c (fold_convert): Don't call size_int_type_wide if
8900 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
8902 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
8904 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
8906 * Makefile.in (resource.o): Add params.h dependence.
8907 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
8908 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
8909 * resource.c: Add dependence on params.h.
8910 (current_live_regs): Fix explanatory comment.
8911 (find_basic_block): Add new parameter to permit limiting search
8913 (mark_target_live_regs): Add new argument to find_basic_block call.
8914 (incr_ticks_for_insn): Likewise.
8916 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8918 * diagnostic.c (output_to_stream): Rename to
8919 output_buffer_to_stream. Loses the stream parameter.
8920 (init_output_buffer): Set diagnosic_buffer's stream.
8921 (flush_diagnostic_buffer): Adjust.
8922 (default_print_error_function): Likewise.
8923 (finish_diagnostic): Likewise.
8924 (verbatim): Likewise.
8926 * diagnostic.h (struct output_buffer): Add `stream' field.
8927 (output_buffer_attached_stream): New macro.
8929 2001-02-23 Jakub Jelinek <jakub@redhat.com>
8931 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
8932 check if either operand is divisible by C.
8933 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
8934 If type is signed, consider negative numbers as well.
8936 2001-02-22 Richard Henderson <rth@redhat.com>
8938 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
8939 reach .text instead of gp-relative relocs.
8940 * config/ia64/crtend.asm (.init): Likewise.
8942 2001-02-22 Andreas Jaeger <aj@suse.de>
8944 * extend.texi (C++ Attributes): Fix typo.
8946 2001-02-21 David Mosberger <davidm@hpl.hp.com>
8948 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
8949 functions, drop current_function_args_info.words test.
8950 (ia64_compute_frame_size): Mark syscall_linkage functions as
8951 using eight input registers.
8953 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
8954 Bruce Korb <bkorb@gnu.org>
8956 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
8957 * fixinc/README: Document how to convert sed substitutions
8958 to format style c_fix-es.
8959 * fixinc/fixincl.x: regen
8961 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
8963 * gcc.c: Add comment explaining how to add a command-line option.
8964 Add title to specs language comment.
8966 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8968 * gcc.c (cc1_options): Add "-param".
8969 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
8970 (option_map): Likewise.
8971 * toplev.c (display_help): Add entry for "--param".
8972 (independent_decode_option): Fix typographical error.
8974 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
8975 Bernd Schmidt <bernds@redhat.com>
8976 Jan Hubicka <jh@suse.cz>
8978 * i386.c (function_arg_advance): Pass SSE arguments in registers.
8979 (function_arg): Likewise.
8981 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
8983 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
8985 2001-02-21 Kazu Hirata <kazu@hxi.com>
8987 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
8991 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
8993 * flow.c (init_propagate_block_info): Canon address and use single_set
8994 for killing dead memory stores.
8996 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8998 * Makefile.in (reorg.o): Add params.h dependence.
8999 * params.def: Fix typographical error in comment.
9000 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9001 * params.h: Modify introductory comment.
9002 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9003 * reorg.c: Add dependence on params.h.
9004 (redundant_insn): Add parameterized throttle for search.
9005 (fill_simple_delay_slots): Add a comment explaining a variable.
9006 Move conditional out of loop, simplifying code.
9007 (fill_eager_delay_slots): Fix typographical error in comment.
9009 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
9011 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
9013 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
9014 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
9016 2001-02-21 Jason Merrill <jason@redhat.com>
9018 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
9019 (struct tree_decl): Add uninlinable bitfield.
9020 * c-decl.c (duplicate_decls): Set it.
9021 * integrate.c (function_cannot_inline_p): Check it.
9023 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
9024 DW_AT_MIPS_linkage_name to abstract methods.
9025 (dwarf2out_abstract_function): Emit class context before calling
9026 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
9027 (gen_subprogram_die): Remove obsolete code.
9028 (gen_member_die): Don't include clones in the member list.
9029 (gen_decl_die): Emit abstract info for clone origin.
9030 * dwarfout.c (output_type): Don't include clones in the member list.
9031 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
9032 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
9033 DECL_ABSTRACT on a function that already has it set.
9035 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
9036 (get_subprogram_die): Pass it in.
9038 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
9040 * flow.c (mark_set_1): Make not_dead unsigned long. For
9041 non-pseudos, use it as a bitmask of the hard regs that
9044 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
9046 * cppfiles.c: Update comments.
9047 (_cpp_read_file): Don't check for NULL filenames any more.
9048 * cppinit.c (cpp_start_read): Don't do canonicalization of
9049 in_fname and out_fname. Use the passed file name exclusively.
9050 (_cpp_handle_options): Don't treat "-" as a command line option,
9051 but as a normal filename.
9052 (_cpp_post_options): Canonicalize in_fname and out_fname.
9053 * cppmain.c (printer_init): Don't check out_fname for NULL.
9054 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
9055 (init_c_lex): Update, and use "" to represent stdin to CPP.
9058 2001-02-20 Will Cohen <wcohen@redhat.com>
9060 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
9061 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
9062 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
9065 2001-02-20 Stan Shebs <shebs@apple.com>
9067 * config/rs6000/rs6000.c (output_cbranch): Output branches
9068 on separate lines instead of using ';' to separate.
9070 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
9072 * cppinit.c (set_lang): Move builtin handling to...
9073 (init_builtins): ...here.
9074 (_cpp_create_reader): Move call to set_lang.
9076 2001-02-20 Mark Mitchell <mark@codesourcery.com>
9078 * stmt.c (expand_return): If an attempt is made to return the
9079 error_mar_node, treat the return like a return without a value.
9081 2001-02-19 Zack Weinberg <zackw@stanford.edu>
9083 * sibcall.c (skip_copy_to_return_value): Call
9084 identify_call_return_value here, and return orig_insn if it
9085 returns zero. Hardret and softret arguments now unnecessary.
9086 (call_ends_block_p): Don't call identify_call_return_value here.
9088 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
9090 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
9091 * ggc.h (ggc_mark_if_gcable): Delete prototype.
9093 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
9095 * pa.c (move_operand): Accept code to load the address of a
9096 symbol out of the DLT as a valid move operand.
9097 (print_operand, case 'A'): New to handle generating a DLT
9098 reference for a LO_SUM expression.
9099 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
9100 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
9102 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
9104 * README, cpp.texi, gcc.texi, version.c: Update version number to
9106 * cpp.1, gcov.1, gcc.1: Regenerate.
9108 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
9110 * cppfiles.c (stack_include_file): Generate dependencies
9111 here, and manage include_count here too.
9112 (PRINT_THIS_DEP): Delete.
9113 (_cpp_execute_include): Do not generate dependencies here,
9114 apart from the case of a missing header. Do not manage
9116 (_cpp_read_file): Leave dependency generation to
9119 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
9121 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
9122 target_cpu_default. Remove dead assignment to
9125 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
9127 * regclass.c (contains_reg_of_mode): Make global.
9128 (init_reg_sets): Remove contains_reg_of_mode; take into account
9129 CLASS_MAX_NREGS when looking for the proper mode.
9130 (dump_regclass): Dump only classes considered for the pseudo.
9131 (regclass): Use contains_reg_of_mode.
9133 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
9135 * gcc.c (do_spec_1): 'n' for printing notices.
9136 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
9138 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
9140 * reg-stack.c (next_flags_user): Use current_block->end
9141 (swap_rtx_condition): Look for next user if flags don't die;
9142 give up on CALL_INSNs; use current_block->end.
9144 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9146 * sibcall.c (call_ends_block_p): New function.
9147 (optimize_sibling_and_tail_recursive_call): Use it.
9149 2001-02-18 Kazu Hirata <kazu@hxi.com>
9151 * config/h8300/h8300.md: Update copyright.
9152 (andsi3): Do not output an extra newline character.
9154 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9156 * toplev.c (note_deferral_of_defined_inlined_function): Argument
9157 FNDECL may be unused.
9159 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
9160 follow jumps after first run.
9161 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
9162 it doesn't change any jumps.
9164 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
9166 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
9167 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
9168 (mostlyclean): Corresponding changes.
9169 * rtlanal.c (hard-reg-set.h): Include.
9170 (rtx_unstable_p): Do not treat the argument pointer specially
9171 if it is not a fixed register.
9172 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
9174 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9176 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
9177 against last real insn in basic block.
9178 Rework to avoid gotos.
9180 * Makefile.in (gcse.o): Now includes ggc.h.
9181 * gcse.c: Include ggc.h.
9182 (want_to_gcse_p): Verify expression can be in SET as valid insn.
9183 (try_replace_reg): Remove warning of uninitialize variable.
9184 (process_insert_insn): Call invalid_insn_p to validate insn.
9185 * recog.c (insn_invalid_p): Now global.
9186 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
9187 * recog.h (insn_invalid_p): New declaration.
9189 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
9191 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
9192 assignments from FP constants since 'Y' output code can't handle it.
9193 (eligible_for_sibcall_delay): Likewise.
9195 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
9196 Call fancy_abort directly, passing args.
9197 (print_rtl_and_abort): Now a macro, like fancy_abort.
9199 * final.c (output_operand_lossage): Use internal_error, not error.
9201 2001-02-18 Shane Nay <shane@agendacomputing.com>
9203 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
9204 structure shift insns.
9206 2001-02-18 Mark Mitchell <mark@codesourcery.com>
9208 * invoke.texi (-fsquangle): Remove documentation.
9209 (-fname-mangling-version): Likewise.
9211 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
9213 * optabs.c (expand_abs): Remove reference to
9214 HAVE_contitional_arithmetic.
9215 * combine.c (simplify_set): Likewise.
9217 2001-02-18 Richard Henderson <rth@redhat.com>
9219 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
9222 2001-02-18 Richard Henderson <rth@redhat.com>
9224 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
9226 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
9228 * reload1.c (reload_cse_simplify_set): Fix typo.
9230 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9232 * diagnostic.c (_fatal_insn): Decrement errorcount.
9234 * invoke.texi (-I): Add note avoiding use for system header files.
9236 * rtl.h (add_clobbers): Remove duplicate declaration.
9237 * recog.h (added_clobbers_hard_reg_p): New declaration.
9238 * genemit.c (struct clobber_pat): New field has_hard_reg.
9239 (gen_insn): Record if added clobbers clobber hard reg.
9240 (gen_split): Avoid unused warning if number of operands is 0.
9241 (output_added_clobbers_hard_reg_p): New function.
9244 2001-02-18 Alan Modra <alan@linuxcare.com.au>
9246 * pa.c (hppa_expand_prologue): Simplify code storing return
9247 pointer. For large (>=8k) frames with a post_store, adjust stack
9248 pointer by 8k-64 first rather than by 64. When testing with
9249 VAL_14_BITS_P, always use the actual value rather than the value
9250 negated. Add blockage to prevent scheduling of spills before
9251 stack frame has been created.
9252 (hppa_expand_epilogue): Simplify code loading return pointer.
9253 Allow a slightly larger range for merge_sp_adjust_with_load case.
9254 When testing with VAL_14_BITS_P, always use the actual value.
9256 * pa.c (pa_adjust_insn_length): Check that block move
9257 pattern is a set before looking at operands.
9259 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9261 * fold-const.c (fold_binary_op_with_conditional_arg): New
9262 function, split out from ...
9264 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
9265 conditional arms that throw exceptions.
9267 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
9270 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9272 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
9273 define HAVE_DECL_* to 1 to mask potential backup declarations.
9274 * configure: Regenerated.
9276 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9278 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
9280 2001-02-17 Richard Henderson <rth@redhat.com>
9282 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
9283 when replacing a memory load with a register.
9285 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9286 Jan Hubicka <jh@suse.cz>
9288 * recog.c (validate_replace_src_1): New.
9289 (validate_replace_src_data): Likewise.
9290 (validate_replace_src): Use note_uses.
9291 * rtl.h (note_uses): Declare.
9292 * rtlanal.c (note_uses): New.
9294 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
9296 * reg-stack.c (stack_def): Make field reg unsigned.
9297 (remove_regno_note): Unsignetize parameter.
9299 2001-02-16 Jes Sorensen <jes@linuxcare.com>
9301 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
9302 shladd_operand() call.
9304 2001-02-16 Bruce Korb <bkorb@gnu.org>
9305 Rodney Brown <RodneyBrown@mynd.com>
9307 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
9308 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
9309 machine restrictions
9310 * fixinc/fixincl.x: regen
9312 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9314 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
9316 (hash_scan_insn): Clean up calls to hash_scan_set.
9317 (compute_kill_rd): REGNO now unsigned.
9318 (try_replace_reg): Rework to use simplify_replace_rtx.
9319 (cprop_jump, cprop_cc0_jump): Likewise.
9320 (cprop_insn): Call find_reg_equal_equiv_note.
9321 Reflect changes to cprop_jump and cprop_cc0_jump.
9323 * recog.c (validate_replace_src): Replace in operands of
9324 ZERO_EXTRACT in SET_DEST.
9326 * cse.c (new_label_ref): New variable.
9327 (insert): Set it instead of recorded_label_ref.
9328 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
9329 CODE_LABEL for this function, and not already in REG_LABEL note.
9331 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
9333 * resource.c (mark_referenced_resources): Fix typo in introductory
9335 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
9338 2001-02-16 Jason Merrill <jason@redhat.com>
9340 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
9342 (gen_subprogram_die): Don't abort on seeing a second definition if
9343 the previous one was abstract. Don't replace an abstract instance
9344 in the lookup table.
9346 * dwarf2out.c (dwarf2out_abstract_function): Rename from
9347 gen_abstract_function.
9348 * dwarf2out.h: Declare it.
9349 * toplev.c (note_outlining_of_inline_function): New fn.
9350 * toplev.h: Declare it.
9351 * integrate.c (output_inline_function): Call it.
9352 * c-decl.c (duplicate_decls): Call it when redefining an extern
9353 inline. Don't inline the new defn.
9355 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
9357 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9359 * .gdbinit: Rename to gdbinit.in.
9360 * gdbinit.in: New file,
9361 * configure.in: Generate .gdbinit from gdbinit.in.
9362 * configure: Regenerated.
9363 * Makefile.in (distclean): Always remove .gdbinit.
9365 2001-02-16 Jakub Jelinek <jakub@redhat.com>
9367 * objc/objc-act.c (start_class): Register implemented_classes with
9370 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
9372 * cppfiles.c (_cpp_make_system_header): Generate a file
9375 2001-02-15 Jim Meyering <meyering@lucent.com>
9377 * Makefile.in (install-common): Don't depend on installdirs here.
9378 Instead, make each of the lang.install-common targets (e.g.,
9379 c++.install-common in cp/Make-lang.in) depend on it.
9380 (install-driver): Depend on installdirs.
9382 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9384 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
9386 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
9389 2001-02-15 Mark Mitchell <mark@codesourcery.com>
9391 * invoke.texi (--param): Document.
9393 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
9395 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
9397 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
9399 * i386.md (extendsfdf2_2): Fix constraints.
9401 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
9403 * i386.md (fop_df_3 splitter): Fix operand number.
9405 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
9407 * invoke.texi (-mreg-alloc): Nuke.
9408 * i386.c (ix86_reg_alloc_order, regs_allocated,
9409 order_regs_for_local_alloc): Nuke.
9410 (override_options): Kill reg_alloc code.
9411 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
9412 (REG_ALLOC_ORDER): SSE goes before I387.
9413 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
9414 (ix86_reg_alloc_order): Likewise.
9415 * i386-protos.h (ix86_reg_alloc_order): Kill.
9417 2001-02-14 Richard Henderson <rth@redhat.com>
9419 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
9421 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
9423 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
9425 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
9427 * i386-protos.h (ix86_memory_move_cost): Move offline.
9428 * i386.c (ix86_register_move_cost): Compute properly cost of
9429 SSE, MMX and i387 instructions.
9430 (*_cost): Add costs of SSE/MMX moves.
9431 (ix86_memory_move_cost): Move offline from ....; Likewise.
9432 * i386.h (MEMORY_MOVE_COST): .... here;
9433 (struct processor costs): Add new fields to represent costs
9436 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
9438 * regclass.c (init_reg_sets_1): Reinstall the optimization of
9439 move_cost together with Matt Kraai's fix.
9441 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9443 * Makefile.in (OBJS): Add params.o.
9445 2001-02-14 Richard Henderson <rth@redhat.com>
9446 DJ Delorie <dj@redhat.com>
9448 * jump.c (jump_optimize_1): When we delete a conditional jump
9449 preceeding a non-conditional jump to effectively the same place,
9450 make sure that the combined jump skips any clobber insns between
9453 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9455 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
9457 2001-02-14 Mark Mitchell <mark@codesourcery.com>
9459 * Makefile.in (toplev.o): Depend on params.h.
9460 (intergate.o): Likewise.
9461 (params.o): New target.
9462 * flags.h (inline_max_insns): Remove.
9463 * integrate.c: Include params.h.
9464 Use MAX_INLINE_INSNS instead of inline_max_insns.
9465 * params.c: New file.
9466 * params.h: Likewise.
9467 * params.def: Likewise.
9468 * toplev.c: Include params.h.
9469 (lang_independent_params): New variable.
9470 (decode_f_option): Use the param machinery instead of setting
9472 (independent_decode_option): Handle "--param name=value".
9473 (main): Register language-independent parameters.
9475 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
9477 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
9479 2001-02-14 Richard Henderson <rth@redhat.com>
9481 * regclass.c (init_reg_sets_1): Revert last two changes.
9483 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9485 * stor-layout.c (is_pending_size, put_pending_size): New functions.
9486 (variable_size): Call put_pending_size.
9487 * tree.h (is_pending_size, put_pending_size): Add prototypes.
9488 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
9489 sizes list, put newly created SAVE_EXPR there as well.
9491 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9493 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
9494 (errata_find_address_regs): load_group has only 2 entries.
9495 (errata_emit_nops): Likewise. shladd is not problematic.
9496 Clear last_group if nop was emitted.
9497 (fixup_errata): load_group has only 2 entries.
9500 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
9502 * c-lex.c (lex_number): Only warn traditionally for U suffix
9503 outside system macros.
9504 * cppexp.c (parse_number): Similarly.
9505 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
9506 * cppmacro.c (struct cpp_macro): New member node.
9507 (parse_args): Only warn about missing rest args if not
9509 (funlike_invocation_p): Similarly for uninvoked funlike macros.
9510 (cpp_sys_objmacro_p): New.
9511 (_cpp_create_definition): Store the node with the macro defn.
9512 Remember if the macro is defined in a system header.
9514 2001-02-13 DJ Delorie <dj@redhat.com>
9516 * configure.in (check_languages): determine languages to check
9517 * Makefile.in (check-c++): alias for check-g++
9518 (check-f77): alias for check-g77
9519 (CHECK_TARGETS): depend on configured languages
9521 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
9523 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9524 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9525 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9526 (sqrtextendsfdf2): Disable for SSE2.
9528 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9530 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9531 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9532 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9533 (sqrtextendsfdf2): Disable for SSE2.
9535 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
9537 * i386.md (movsfcc_1): Support integer cmove instruction.
9538 (movdfcc_1): Likewise; new splitter.
9540 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
9542 * i386.c (output_fp_compare): Support SSE.
9543 (prepare_fp_compare_args): SSE comparisons always support memory.
9544 * i386.h (TARGET_CMOVE): SSE imply cmove.
9545 * i386.md (cmp?f2): Enable for SSE too.
9546 (cmpfp_i*): Support SSE.
9548 (cmpfp_i_sse_only): New.
9549 (s*, b* fp expanters): Enable for SSE too.
9550 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
9553 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
9555 * regclass.c (init_reg_sets_1): Silence warning.
9557 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
9559 * i386.md (sqrt?f2): Change to expander.
9560 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
9562 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9564 * rtlanal.c (find_reg_equal_equiv_note): New function.
9565 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
9566 (simplify_gen_relational, simplify_replace_rtx): Likewise.
9567 * rtl.h: Add declarations for above functions.
9569 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
9571 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
9573 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
9574 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
9575 * flow.c (mark_regs_live_at_end): Likewise.
9576 (calculate_global_regs_live): Likewise.
9577 * gcse.c (compute_hash_table): Likewise.
9578 (compute_kill_rd): Likewise.
9579 * resource.c (mark_target_live_regs): Likewise.
9580 * rtl.h (INVALID_REGNUM): New macro.
9582 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
9584 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
9586 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
9588 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
9591 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
9593 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
9595 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
9596 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
9597 (fop_sf_1_sse, fop_df_1_sse): New patterns
9598 (fop_*): Disable float_extend and float patterns for SSE compilation.
9599 * i386.c (output_387_binary_op): Support SSE.
9601 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
9603 * i386.md (dummy_extendsfdf2): Support SSE2
9604 (extendsfdf2): Enable if 80387 or SSE2.
9605 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
9606 and no MIX_I387_SSE2
9607 (extendsfdf2_1_sse_only): New pattern.
9608 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
9610 (truncdfsf2_1): Support SSE.
9611 (truncdfsf2_2): Support SSE.
9612 (truncdfsf2_2_1_sse): New pattern.
9613 (fixtruncsfsi2): Always use SSE if available.
9614 (fix_truncsfsi_sse): New pattern.
9615 (fix_truncdfsi_sse): New pattern.
9616 (floatsis?f2): Support SSE.
9617 (floatsidf2_i387): New pattern.
9618 (floatsidf2_sse): Likewise.
9620 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9622 * configure.in: Use "have_gnat" variable, not "gnat".
9623 * configure: Regenerated.
9625 * config/sparc/sparc.c (function_value): Treat all non-record
9626 aggregate types like used to treat UNION_TYPE.
9628 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
9630 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
9631 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
9633 (MASK_MIX_SSE_I387): New.
9634 (TARGET_SSE): SSE2 imply SSE.
9635 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
9636 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
9637 (enum reg_class): Add new classes.
9638 (REG_CLASS_NAMES): Likewise.
9639 (REG_CLASS_CONTENTS): Likewise.
9640 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
9641 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
9642 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
9643 (CLASS_MAX_NREGS): Use new macros.
9644 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
9645 * i386.md (pushsf, movsf): Support SSE.
9646 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
9647 splitters to use ANY_FP_REGNO_P.
9648 (movdf_nointeger, movdf_integer): Likewise.
9650 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9652 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
9653 (try_combine): Use it.
9655 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
9657 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
9658 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
9659 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
9660 (REGISTER_MOVE_COST): Likewise.
9661 * i386-protos.h (ix86_secondary_memory_needed,
9662 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
9663 * i386.c (ix86_secondary_memory_needed,
9664 ix86_preferred_reload_class, ix86_register_move_cost): New function.
9666 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
9668 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
9669 (HARD_REGNO_MODE_OK): Move offline to ....
9670 * i386.c (ix86_hard_regno_mode_ok) ... here;
9671 refuse all incorrect modes.
9672 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
9674 2001-02-13 Richard Henderson <rth@redhat.com>
9676 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
9677 entire operator; replicate that and match_dup the operands.
9678 (cmp_ccx_arith_op_set): Likewise.
9679 (cmp_cc_arith_op_not_set): Likewise.
9680 (cmp_ccx_arith_op_not_set): Likewise.
9682 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9684 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
9686 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9688 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
9689 (TARGET_NO_BITFIELD_WORD): New macro.
9690 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
9691 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
9693 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9695 * cselib.c: New file, from simplify-rtx.c.
9696 * simplify-rtx.c: Remove cselib parts.
9697 * Makefile.in: Add cselib.o.
9699 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9701 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
9702 (setup_incoming_varargs): Remove warning.
9704 * config/rs6000/rs6000.c (validate_condition_mode): When
9705 flag_fast_math, allow floating-point conditionals to be reversed.
9706 (rs6000_generate_compare): When flag_fast_math, don't generate
9707 cror operations for FP conditionals.
9709 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
9711 (ASM_SPEC): Likewise.
9712 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
9713 (CC1_SPEC): Likewise.
9714 (LINK_TARGET_SPEC): Likewise.
9715 (CPP_ENDIAN_SPEC): Likewise.
9716 * Makefile.in (check-consistency): New target.
9718 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
9720 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
9721 "return type defaults" warning for functions with return type
9723 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
9724 function declarations by default rather than only when pedantic.
9726 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
9728 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
9731 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9733 * extend.texi (Deprecated): Deprecate new initializer lists.
9735 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9737 * mkdeps.c (deps_add_default_target): Robustify. Add
9738 basename component only.
9739 * cpp.texi (-M): Describe how default target is generated.
9740 * invoke.texi (-M): Likewise.
9742 2001-02-12 Kazu Hirata <kazu@hxi.com>
9744 * toplev.c (push_float_handler): Remove.
9745 (pop_float_handler): Remove.
9746 * toplev.h: Remove prototypes for the above functions.
9748 2001-02-12 Jakub Jelinek <jakub@redhat.com>
9750 * c-common.c (constant_fits_type_p): New function.
9751 (convert_and_check): Use it.
9753 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9755 * Makefile.in (GXX_ABI_FLAG): Don't define.
9756 * configure.in (--enable-new-gxx-abi): Remove option.
9757 * config.in: Regenerated.
9758 * configure: Likewise.
9760 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
9762 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
9764 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
9765 regular basic block, and arrange for all edges into it to switch
9768 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9770 * Makefile.in (distclean): Do not remove .gdbinit.
9772 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9774 * Makefile.in (gcc.o): Fix typos.
9775 (protize.o): Likewise.
9776 (unprotoize.o): Likewise.
9778 2001-02-11 Richard Henderson <rth@redhat.com>
9780 * tree.c (build1): Check for null operand in last change.
9782 2001-02-11 Richard Henderson <rth@redhat.com>
9784 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
9785 (fold): Don't assume a constant isn't foldable.
9786 * tree.c (build): Set TREE_CONSTANT for an expression with no
9787 side-effects and constant operands.
9790 2001-02-10 Richard Henderson <rth@redhat.com>
9792 * jump.c (squeeze_notes): Revert 2000-05-12 change.
9794 2001-02-10 Anthony Green <green@redhat.com>
9796 * cpp.texi (Standard Predefined): Add documentation for
9799 * c-common.c (combine_strings): Improve warning message.
9801 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
9803 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
9805 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
9807 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
9809 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
9812 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
9814 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
9817 2001-02-09 Nick Clifton <nickc@redhat.com>
9819 * config/arm/arm.md: Change output contraint on post inc
9820 load/store multiple patterns to be a read/write contraint.
9822 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
9824 * gcc.c (cpp_options): Delete .d files on error. Don't delete
9825 .o files when using the -M options.
9827 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9828 David Edelsohn <edelsohn@gnu.org>
9830 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
9831 handle DImode constants. Use one TOC entry for SImode and smaller
9832 constants, aligned properly.
9834 2001-02-08 Jason Merrill <jason@redhat.com>
9836 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
9837 about the SP adjustment for saving the static chain pointer.
9838 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
9839 offset when setting a temporary CFA register.
9841 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
9843 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
9844 powerpc-*-chorusos* .
9845 * config/rs6000/chorus.h : New file.
9846 * config/i386/chorus.h : New file.
9847 * config/sparc/chorus.h : New file.
9848 * config/sparc/t-chorus-elf : New file.
9850 2001-02-08 David Edelsohn <edelsohn@gnu.org>
9852 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
9853 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
9854 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
9855 (__WCHAR_TYPE__): Correct macro name.
9857 2001-02-08 Richard Henderson <rth@redhat.com>
9859 * config/i386/i386.c (ix86_frame_pointer_required): New.
9860 (ix86_setup_frame_addresses): New.
9861 (struct machine_funciton): Add accesses_prev_frame.
9862 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
9863 ix86_frame_pointer_required.
9864 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
9865 (SETUP_FRAME_ADDRESSES): New.
9866 * config/i386/i386-protos.h: Update.
9867 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
9868 from FRAME_POINTER_REQUIRED.
9869 * config/i386/svr3gas.h: Likewise.
9870 * config/i386/sysv3.h: Likewise.
9871 * config/i386/v3gas.h: Likewise.
9873 2001-02-08 Richard Henderson <rth@redhat.com>
9875 * config/sparc/sparc.c (function_arg_record_value_3): Fix
9876 calculation of the number of integer registers required.
9877 (function_arg_record_value): Likewise.
9879 2001-02-08 Jason Merrill <jason@redhat.com>
9881 * diagnostic.c (internal_error): Say "confused" after 1 error, not
9882 two. Print file and line with "confused" message.
9884 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
9886 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9888 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
9890 2001-02-08 Bernd Schmidt <bernds@redhat.com>
9892 * final.c (cleanup_subreg_operands): The address of a MEM can
9895 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
9898 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
9900 * gcc.texi (Incompatibilities): Update documentation of
9901 preprocessing numbers.
9903 2001-02-07 Jakub Jelinek <jakub@redhat.com>
9905 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
9907 2001-02-07 Mark Mitchell <mark@codesourcery.com>
9909 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
9911 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
9912 * gcc.c (struct compiler): Add cpp_spec field.
9913 (input_file_compiler): New variable.
9914 (do_spec_1): Allow a particular compiler to handle `%C'
9916 (main): Store the current compiler in input_file_compiler.
9917 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
9919 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
9921 * cpphash.h (struct spec_nodes): Add n_true and n_false.
9922 * cppinit.c (cpp_create_reader): Initialize them.
9923 (append_include_chain): cxx_aware arg might be unused.
9924 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
9925 keywords and give them their phase 7 meaning. Pedwarn about
9926 this unless '__bool_true_false_are_defined' is defined.
9928 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9930 * lcm.c (optimize_mode_switching): Emit mode_set before the
9931 JUMP_INSN of an abnormal edge.
9933 2001-02-07 Bernd Schmidt <bernds@redhat.com>
9935 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
9936 a scheduling barrier at the end.
9938 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
9940 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9942 * config/sh/sh.md (reload_outsf): Removed.
9943 (movsf_ie): Introduce constraints for FPUL loads and stores.
9944 (reload_insf): Broaden the output constraint.
9946 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
9948 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
9949 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
9951 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
9953 * final.c: Revert my previous changes.
9954 * output.h: Make profile_label_no extern.
9955 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
9956 for generating label.
9958 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
9960 * config/i386/djgpp.h: Add comments about standard paths.
9961 (MD_EXEC_PREFIX): Undefine before defining.
9962 (MD_STARTFILE_PREFIX): New.
9964 2001-01-30 Bruce Korb <bkorb@gnu.org>
9966 fixinc/fixincl.c(process): Emit error message only if appropriate :)
9967 (load_file): do not rely on load_file_data() to close file pointer
9968 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
9969 fixinc/inclhack.def(irix_limits_const): add test_text
9971 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9973 * cppexp.c (parse_defined): Improve diagnostics for invalid
9976 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9978 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
9980 2001-02-06 Mark Mitchell <mark@codesourcery.com>
9982 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
9983 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
9984 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
9985 (rs6000_output_symbol_ref): New function.
9986 (output_toc): Use VTABLE_NAME_P.
9988 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9990 * print-tree.c (print_node, case PARM_DECL):
9991 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
9993 * stor-layout.c (reference_types_internal): New variable.
9994 (internal_reference_types): New function.
9995 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
9996 * tree.h (internal_reference_types): New declaration.
9998 * cse.c (find_best_addr): Fix typo in computing cost.
10000 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10002 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
10003 and this is the sum of a pointer and a constant, we know the result
10005 (num_sign_bit_copies, case PLUS): Likewise.
10006 * explow.c (convert_memory_address): Remove opposite SUBREG.
10007 * function.c (instantiate_new_reg): New function (from common code).
10008 (instantiate_virtual_regs_1): Call it.
10009 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
10010 if pointers sign- or zero-extend.
10011 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
10012 If pointers extend unsigned, use inside of SUBREG.
10013 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
10015 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
10017 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
10018 subdir of gcc_gxx_include_dir.
10019 (gcc_gxx_target_include_dir): Remove.
10021 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
10023 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
10024 (dwarf2out_frame_debug_expr): Revise introductory comments to add
10025 a high-level description.
10027 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
10029 * final.c: Move the declaration of profile_label_no to ...
10030 * output.h: ... here.
10031 * function.c (expand_function_start): Call PROFILE_HOOK.
10032 * config/rs6000/aix.h: Define PROFILE_HOOK.
10033 * config/rs6000/rs6000-protos.h: output_profile_hook new.
10034 * config/rs6000/rs6000.c (output_profile_hook): Define.
10035 (output_prolog): Do nothing for ABI_AIX as it is taken care by
10036 output_profile_hook.
10037 tm.texi : Explain new macro PROFILE_HOOK.
10039 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
10041 * extend.texi (Extended Asm): Do not say that semicolon is always
10042 a valid line-breaking character for GNU assemblers. Use
10043 newline-tab as the most commonly supported syntax. Use
10044 newline-tab rather than semicolon in multi-insn examples.
10046 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10048 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
10050 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10051 David Edelsohn <edelsohn@gnu.org>
10053 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
10054 code for AIX, even without flag_pic.
10056 2001-02-05 Jakub Jelinek <jakub@redhat.com>
10058 * c-typeck.c (common_type): push and pop binding level around
10059 calling common_type on function parameters.
10061 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
10063 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
10065 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10067 * config/mips/mips.c (override_options): Fix typo in last change.
10068 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
10069 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
10071 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
10073 * invoke.texi (-fdump-class-layout): Document.
10074 (-fdump-translation-unit): Use `=' as filename separator.
10076 2001-02-05 Mark Mitchell <mark@codesourcery.com>
10078 * Makefile.in (s-mlib): Don't build multilibs if
10079 --disable-multilib.
10080 (DRIVER_DEFINES): Adjust accordingly.
10082 (protoize.o): Likewise.
10083 (unprotoize.o): Likewise.
10084 * configure.in: Recognize --enable-multilib.
10086 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10088 * Makefile.in (DRIVER_DEFINES): Fix quoting.
10090 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
10091 * configure.in: Remove --enable-libstdcxx_v3 support.
10092 * configure: Regenerated.
10094 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10096 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
10097 Call abort instead of fatal.
10098 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
10099 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
10100 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
10101 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
10102 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
10103 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
10105 * diagnostic.h (set_internal_error_function): Renamed.
10106 * toplev.h (internal_error): Renamed from fatal.
10107 (pfatal_with_name): Deleted.
10108 (fatal_io_error): Now has printf-style arguments.
10109 * diagnostic.c (pfatal_with_name): Deleted.
10110 (fatal_io_error): Rework to have args in printf-style.
10111 (set_internal_error_function): Renamed from set_fatal_function.
10112 (internal_error): Renamed from fatal.
10113 (error_recursion, fancy_abort): Call internal_error instead of fatal.
10114 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
10115 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
10116 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
10117 * flow.c (verify_flow_info): Likewise.
10118 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
10119 * config/mips/mips.c (save_restore_insns): Likewise.
10121 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
10122 * flow.c (verify_flow_info): Likewise.
10123 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
10124 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
10125 (avr_normalize_condition): Likewise.
10126 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
10127 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
10128 (limit_reload_class, double_reg_to_memory): Likewise.
10129 (print_operand_address, emit_1600_code_shift): Likewise.
10130 (gen_tst_reg, gen_compare_reg): Likewise.
10131 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
10132 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
10134 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
10136 * c-parse.in (methoddef): Call fatal_error instead of fatal.
10137 * objc/objc-act.c (build_ivar_chain): Likewise.
10138 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
10140 * graph.c (clean_graph_dump_file): Likewise.
10141 * profile.c (init_branch_prob): Likewise.
10142 * objc/objc-act.c (objc_init): Likewise.
10144 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
10145 * config/avr/avr.c (avr_override_options): Likewise.
10146 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
10147 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
10148 * config/h8300/h8300.c (h8300_init_once): Likewise.
10149 * config/mips/mips.c (override_options): Likewise.
10150 * config/i386/i386.c (override_options): Likewise, rework.
10151 * config/m68k/m68k.c (override_options): Likewise.
10153 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
10155 * config/mips/mips.c (print_operand): Likewise.
10156 * hash.c (hash_allocate): Don't check for failure returns from
10157 obstack functions that can't fail.
10158 (hash_table_init_n, hash_table_init): Likewise; also now return void.
10159 * hash.h (hash_table_init_n, hash_table_init): Now return void.
10160 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
10161 (get_object_reference): Likewise.
10163 2001-02-04 Nick Clifton <nickc@redhat.com>
10165 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
10166 StrongARM1110, 10TDMI, and 1020T.
10168 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10170 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
10172 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
10174 * config/sh/sh.md (movdf load split): Pass register number to
10175 FP_OR_XD_REGISTER_P.
10177 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10179 * cppinit.c (BC): New macro.
10180 (builtin_array): Add __GXX_WEAK__.
10181 * cpplib.h (builtin_type): Add BT_WEAK.
10182 * cppmacro.c (builtin_macro): Handle BT_WEAK.
10183 * defaults.h (SUPPORTS_ONE_ONLY): Define.
10184 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
10186 2001-02-03 Jakub Jelinek <jakub@redhat.com>
10188 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
10190 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10192 * cpphash.h: Rename _ALIGN POOL_ALIGN.
10193 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10195 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10197 * cpphash.h: Rename ALIGN _ALIGN.
10198 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10200 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
10202 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
10203 compilation environment.
10204 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
10205 control over location of cygwin includes and libs.
10207 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10209 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
10211 2001-02-02 lars brinkhoff <lars@nocrew.org>
10213 * md.texi (Standard Names): remove reference to spur.md.
10215 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10217 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
10218 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
10219 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
10220 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
10221 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10223 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10225 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
10226 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
10227 number before reload.
10228 (c4x_adjust_cost): Return zero before reload.
10229 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
10230 split before reload.
10232 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10234 * c4x.c (c4x_hard_regno_rename_ok): New.
10235 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
10236 * c4x.h (HARD_REGNO_RENAME_OK): Define.
10238 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10240 * diagnostic.h: Add missing "extern" in all declarations.
10242 2001-02-02 Alex Samuel <samuel@codesourcery.com>
10244 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
10245 as for gcc_gxx_include_dir.
10247 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
10249 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
10251 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10253 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
10254 label before alignment to be used as the braf base address.
10255 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
10257 (casesi_jump_2): Require at least TARGET_SH2.
10259 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
10260 truncation to 32-bit doubles on -m3e and -m4-single-only.
10262 2001-02-02 Mark Mitchell <mark@codesourcery.com>
10264 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
10265 the default when building a shared object.
10266 (init_spec): Use it.
10267 * testsuite/lib/g++.exp: Include the directory where libgcc
10268 is located to the LD_LIBRARY_PATH list.
10269 * invoke.texi (-shared-libgcc): Document the cases in which
10270 GCC defaults to using the shared libgcc.
10272 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10274 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
10275 unsigned is wide enough.
10276 (BITS_PER_SI): New.
10277 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
10278 (si_to_float): Likewise.
10279 (float_to_si, float_to_usi): Use BITS_PER_SI.
10281 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10283 * dwarf2out.c: Added explanation of abbreviations.
10284 (def_cfa_1): Added comments listing DWARF2 instructions.
10285 (cfa_temp_reg): Removed in favor of cfa_temp.
10286 (cfa_temp_value): Removed in favor of cfa_temp.
10287 (cfa_temp): New global variable.
10288 (dwarf2out_frame_debug_expr): Added extensive introductory
10289 comments explaining the function's transformations. Revised to
10290 use cfa_temp. Added some rtx checking. Generalize IOR case.
10291 (dwarf2out_frame_debug): Revised to use cfa_temp.
10292 (output_aranges): Cast as "unsigned" to avoid warning.
10293 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
10294 explain which instructions must be marked.
10296 2001-02-01 Richard Henderson <rth@redhat.com>
10298 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
10301 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
10303 * config/sh/crt1.asm (main_k): Modified so that start calls
10304 ___setup_argv_and_call_main.
10306 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
10308 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
10309 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
10310 and AVOID_LPASTE is cleared on meeting an unescaped newline.
10311 * cppmacro.c (builtin_macro): Set builtin flags here.
10312 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
10313 (replace_args): Clarify intent.
10314 (cpp_get_token): Macro expansion tokens get the saved flags.
10316 * cppmain.c (scan_buffer): Remove now-redundant print.printed
10319 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10321 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
10324 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10326 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
10327 returns Pmode pseudo, but we need ptr_mode.
10328 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
10329 Remove bogus conversions; use HOST_WIDE_INT for size.
10330 Don't use TARGET if wrong mode.
10332 * config/i386/i386.c (ix86_compute_frame_size): Allow
10333 stack_alignment_needed to be non-default even if size is zero.
10335 2001-01-31 Alan Modra <alan@linuxcare.com.au>
10337 * pa.c (hppa_init_pic_save): New function.
10338 * pa.h (hppa_init_pic_save): Declare.
10339 * pa.md (call, call_value, sibcall, sibcall_value): Use
10340 the above instead of duplicated code.
10342 * pa.c (hppa_encode_label): Correct size of alloca buffer
10343 so we don't overrun it. Correct leading `*' case.
10344 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
10345 need to handle `*@'.
10346 (FUNCTION_NAME_P): Likewise.
10348 2001-01-31 Richard Henderson <rth@redhat.com>
10350 * config.gcc (alpha-osf5): Use float-i128.h.
10352 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
10353 * config/float-i32.h: Likewise.
10354 * config/float-i64.h: Likewise.
10355 * config/float-sh.h: Likewise.
10356 * config/float-sparc.h: Likewise.
10358 2001-01-31 DJ Delorie <dj@redhat.com>
10360 * expmed.c (extract_bit_field): allow non-integral modes if we
10361 want to extract a whole register from itself.
10363 2001-01-31 Jakub Jelinek <jakub@redhat.com>
10365 * c-typeck.c (set_init_index): If first is equal to last, assume as
10366 if it was not a range at all.
10368 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10370 * config/fp-bit.c: Include tm.h.
10371 (float_to_si): Don't assume SImode is 32-bits wide.
10372 (float_to_usi): Likewise.
10374 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
10376 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
10378 (typename): Call pending_xref_error after parsing typed_typespecs.
10379 * c-decl.c (lookup_tag): Give error immediately rather than
10380 leaving it pending if the tag of the wrong type is in the same
10382 (xref_tag): Don't pedwarn for forward declarations of enum types
10384 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
10387 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10389 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
10391 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10393 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
10394 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
10396 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10398 * cpphash.h (struct cpp_reader): New saved_flags.
10399 * cppmacro.c (cpp_get_token): Use saved_flags to remember
10400 to avoid a paste after a pasted token.
10402 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10404 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
10405 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
10406 Wtype_MIN instead of LONG_MIN.
10408 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10410 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
10412 * fixinc/fixincl.x: Regenerated.
10413 * fixinc/inclhack.def (irix_limits_const): New definition to
10414 convert "const" to "__const" in limits.h.
10416 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10418 * fixinc/genfixes (AG): Fix "autogen4" thinko.
10420 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10422 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
10423 when register dies in the insn.
10425 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10427 * diagnostic.c (fatal): Fix word wrap.
10429 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
10431 * combine.c (try_combine): Fix SUBREG setting for
10432 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
10434 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10436 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
10439 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10441 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
10443 * toplev.c (decode_W_option): Update warn_larger_than
10444 unconditionally for each processed switch.
10446 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
10448 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
10450 (hppa_expand_prologue): Delete code to save pic offset table register
10451 in the function prologue.
10452 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
10453 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
10454 table register at the beginning of the function after the prologue.
10456 2001-01-29 lars brinkhoff <lars@nocrew.org>
10458 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
10460 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
10461 Jeff Law <law@redhat.com>
10463 * pa.md (return): Revise comment for trivial return.
10464 (return_internal): Non-trivial return pattern for non-PIC code.
10465 (return_internal_pic): Non-trivial return pattern for PIC code.
10466 It uses the PIC register to ensure it is restored after
10468 (epilogue): Generate appropriate return for PIC and non-PIC code.
10470 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
10472 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
10474 2001-01-29 DJ Delorie <dj@redhat.com>
10476 * combine.c (if_then_else_cond): Pass the correct mode to
10477 operand_subword() for constants.
10479 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
10481 * config/i386/cygwin.h: Add w32api to include search. Search different
10482 directories in a cross-build environment.
10484 2001-11-29 Tim Josling <tej@melbpc.org.au>
10486 * tree.h (TYPE_STUB_DECL): Add documentation.
10488 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
10490 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
10491 (sdbout_field_types): Likwise. Fix use of host_integerp.
10493 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
10495 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
10498 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
10500 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
10501 to use flag_gnu_linker.
10503 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
10505 * cpplib.c (T_BAD_DIRECTIVE): Remove.
10506 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
10508 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
10510 * tree.c, tree.h (build_parse_node): Remove; was identical to
10512 * c-lang.c (start_cdtor), objc/objc-act.c
10513 (build_module_descriptor): Use build_nt instead of
10516 2001-01-29 Jakub Jelinek <jakub@redhat.com>
10518 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
10519 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
10520 not have any upper bits set.
10522 2001-01-29 Phil Edwards <pme@sources.redhat.com>
10524 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
10526 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10528 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
10530 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
10532 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
10533 (integer_minus_one_node): Define.
10535 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
10537 * Makefile.in (bootstrap2-lean): Fix typo.
10539 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
10541 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
10542 : Don't set fe_value.
10543 * cpplib.h (AVOID_LPASTE): New flag.
10544 (struct cpp_hashnode): Remove fe_value.
10545 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
10546 * cppmacro.c (builtin_macro): Don't set flags here.
10547 (replace_args): Set AVOID_LPASTE flag on first token of an
10548 argument, and the token following it.
10549 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
10550 macro expansion, and on the token following it. Do it for
10552 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
10554 2001-01-27 Richard Henderson <rth@redhat.com>
10556 * config/alpha/t-ieee: Remove multilibbing.
10557 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10559 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10561 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10563 * Makefile.in: Remove all dependencies on defaults.h.
10564 * builtins.c: Don't include defaults.h.
10565 * c-common.c: Likewise.
10566 * c-decl.c: Likewise.
10567 * c-pragma.c: Likewise.
10568 * c-typeck.c: Likewise.
10569 * combine.c: Likewise.
10570 * i386.c: Likewise.
10571 * frame-ia64.c: Likewise.
10572 * cppexp.c: Likewise.
10573 * crtstuff.c: Likewise.
10574 * dbxout.c: Likewise.
10575 * dwarf2out.c: Likewise.
10576 * dwarfout.c: Likewise.
10577 * emit-rtl.c: Likewise.
10578 * except.c: Likewise.
10579 * expr.c: Likewise.
10580 * final.c: Likewise.
10581 * frame-dwarf2.c: Likewise.
10582 * libgcc2.c: Likewise.
10583 * optabs.c: Likewise.
10584 * profile.c: Likewise.
10585 * sdbout.c: Likewise.
10586 * toplev.c: Likewise.
10587 * tradcif.y: Likewise.
10588 * tree.c: Likewise.
10589 * varasm.c: Likewise.
10591 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10593 * builtins.c (expand_builtin_fputs): Use size_one_node when
10594 transforming into fwrite.
10596 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
10598 * extend.texi (Attribute Syntax): New section.
10600 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10602 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
10603 they didn't need fixing.
10605 2001-01-27 Janis Johnson <janis@us.ibm.com>
10607 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
10609 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
10610 to remove macro definitions that are duplicated from elfos.h.
10612 2001-01-27 Richard Henderson <rth@redhat.com>
10614 * config/i386/sco5gas.h: Move ...
10615 * config/usegas.h: ... here.
10616 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
10618 2001-01-27 Jakub Jelinek <jakub@redhat.com>
10620 * c-typeck.c (struct constructor_stack): Add range_stack member.
10621 (really_start_incremental_init): Clear it.
10622 (push_init_level): Save constructor_range_stack and clear it if
10623 pushing explicit braces.
10624 (pop_init_level): abort if constructor_range_stack is non-zero at
10625 explicit closing brace. Restore saved constructor_range_stack if
10628 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10630 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
10631 into register was forced into memory.
10633 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10635 * Makefile.in: Remove uses of + before $(MAKE).
10637 2001-01-26 Richard Henderson <rth@redhat.com>
10639 * stmt.c (cost_table): Remove.
10640 (COST_TABLE, cost_table_initialized): New.
10641 (estimate_case_costs): Use the later instead of the former.
10642 (balance_case_nodes): Likewise.
10644 2001-01-26 Richard Henderson <rth@redhat.com>
10646 * alias.c (objects_must_conflict_p): Read-only slots may not
10647 conflict despite having the same type.
10649 2001-01-27 Michael Hayes <mhayes@redhat.com>
10651 * loop.c (loop_giv_reduce_benefit): Copy mode size into
10653 (check_ext_dependant_givs): Initialise u_start_val and
10655 (load_mems): Make last_max_reg unsigned.
10656 (try_swap_copy_prop): Use INSN_P and initialise set.
10658 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
10660 * README.AVR : Removed.
10662 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
10664 * pa-64.h (text_section): Remove declaration.
10666 * pa.md (return_internal): Remove mode on PIC register use.
10668 2001-01-25 lars brinkhoff <lars@nocrew.org>
10670 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
10671 ASM_CLOSE_PAREN): fix typos.
10673 2001-01-25 Mark Mitchell <mark@codesourcery.com>
10675 * acconfig.h: Define `const' to the empty string if neither
10676 __STDC__ nor __cplusplus is defined.
10677 * config.in: Regenerated.
10679 2001-01-25 David Edelsohn <edelsohn@gnu.org>
10681 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
10682 * collect2.c (main): Delete importf. Add ".obj" file extension.
10683 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
10684 (aix_std_libs): Add additional AIX libraries to skip.
10685 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
10686 * config/rs6000/aix51.h: New file.
10688 2001-01-25 Michael Hayes <mhayes@redhat.com>
10690 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
10691 (loop_insn_emit_before): No longer static.
10692 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
10693 (loop_givs_rescan, load_mems): Likewise.
10694 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
10695 (maybe_eliminate_biv_1):
10696 (move_movables): Replace emit_call_insn_before with
10697 loop_call_insn_hoist.
10698 * loop.h (loop_insn_emit_before): Add.
10699 * unroll.c (copy_loop_body): Replace emit_insn_before with
10700 loop_insn_emit_before.
10702 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
10704 * diagnostic.c (fatal): Request preprocessed source.
10706 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
10708 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
10709 olddecl has argument types and newdecl has none, use the argument
10710 types from olddecl.
10712 2001-01-24 Ulrich Drepper <drepper@redhat.com>
10714 * dwarf2out.c (prefix_of): New function. Determine longest common
10715 prefix of the two arguments. The units are whole path components.
10716 (output_file_names): When adding a new directory find the one entry
10717 with the longest common prefix already in the list. Artificially
10718 generate entry if there is none for this prefix.
10719 Fix test to check whether the zeroth directory entry is used.
10721 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
10723 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
10724 Changed all callers. Take it into account when deciding if a
10725 previously loaded value matches.
10727 2001-01-24 Richard Henderson <rth@redhat.com>
10729 * reload.c (find_reloads_subreg_address): Fail the substitution
10730 if the resulting address is insufficiently aligned.
10732 2001-01-24 DJ Delorie <dj@redhat.com>
10734 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
10735 check the original operand's mode also.
10736 * simplify-rtx.c (simplify_ternary_operation): Ditto.
10738 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10740 * c-parse.in (cast_expr): Move compound literals from here ...
10741 (primary): ... to here. Use standard terminology "compound
10742 literal" instead of "constructor expression".
10744 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10746 * gcc.1, cpp.1: Regenerate.
10748 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
10750 * calls.c (emit_library_call_value_1): Memory slot for
10751 pass-by-reference argument should have the mode of the argument,
10752 not of the pointer to it.
10754 2001-01-24 Tom Tromey <tromey@redhat.com>
10756 * gcc.texi (G++ and GCC): Mention gcj manual.
10757 (Standards): Link to section of manual mentioning gcj/Java
10760 2001-01-24 Jakub Jelinek <jakub@redhat.com>
10762 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
10763 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
10764 * tradcpp.c (main): Add -imacros or -include'd dependencies
10766 * cpp.texi (-M, -MM): Document -M -include behaviour.
10768 2001-01-24 Roger Collins <roger@ProProject.com>
10770 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
10772 2001-01-24 Will Cohen <wcohen@redhat.com>
10774 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
10775 whether registers are 32 bits or 64 bits in size.
10777 2001-01-24 Ben Elliston <bje@redhat.com>
10779 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
10781 2001-01-24 Richard Henderson <rth@redhat.com>
10783 * config/alpha/alpha.md (builtin_longjmp_internal): New.
10784 (builtin_longjmp): Use it instead of emit_indirect_jump.
10786 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
10788 * bb-reorder.c (make_reorder_chain_1): Handle case where
10789 jump edge goes to the same block as the fallthru edge.
10791 2001-01-23 Jim Wilson <wilson@redhat.com>
10793 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
10794 * frame.h (__ia64_personality_v1): Add prototype.
10795 * libgcc2.c (ia64_throw_helper): Change personality declaration to
10796 prototype form. Add void * cast to first argument to personality
10798 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
10799 (asctoe113): Likewise.
10800 * config/ia64/frame-ia64.c: Include eh-common.h.
10801 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
10803 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
10805 (itanium_split_issue): Add prototype.
10806 (gen_nop_type): Ifdef out.
10807 (find_best_packet): Initialize best_packet.
10808 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
10810 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
10811 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
10812 (flushrs): Add explicit stop bit at end.
10813 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
10816 2001-01-23 Chris Demetriou <cgd@broadcom.com>
10818 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
10820 * libgcc2.c (__terminate_func): Make variable static.
10821 (__terminate_set_func): New function to set __terminate_func.
10822 * libgcc2.h (__terminate_func_ptr): New typedef.
10823 (__terminate_set_func): New function.
10825 2001-01-23 Richard Henderson <rth@redhat.com>
10827 * flow.c (init_propagate_block_info): Don't consider unchanging
10828 memories for dead frame store elimination.
10830 2001-01-23 Richard Henderson <rth@redhat.com>
10832 * varasm.c (UNIQUE_SECTION): Move default implementation ...
10833 * defaults.h: ... here.
10835 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10837 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
10839 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
10841 * c-lex.c (lex_charconst): Fix typo: s/p/str.
10843 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10845 * rs6000.h (rs6000_return_addr): Move prototype from here...
10846 * rs6000-protos.h (rs6000_return_addr): ...to here.
10847 (rs6000_init_expanders): Delete prototype.
10849 2001-01-23 Nick Clifton <nickc@redhat.com>
10851 * invoke.texi: Replace , with \, inside @gccoptlist macros.
10852 (Spec Files): Document %B and %j and %. and %v3 and %M and
10853 %{S*&T} spec switches.
10855 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10857 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
10859 2001-01-23 Chris Demetriou <cgd@sibyte.com>
10860 Neil Booth <neil@daikokuya.demon.co.uk>
10862 * cpperror.c: Merge handlers of PEDWARN and WARNING.
10863 Have -Werror make pedantic warnings errors, like the
10866 2001-01-23 Phil Edwards <pme@sources.redhat.com>
10868 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
10870 2001-01-23 Jakub Jelinek <jakub@redhat.com>
10872 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
10873 * integrate.c (expand_inline_function): Initialize them.
10874 (subst_constants): If changing COMPARE so that both its arguments
10875 will be VOIDmode and the comparison mode will be lost, note
10876 compare_mode. Use the recorded compare_mode to optimize
10879 2001-01-23 Jason Merrill <jason@redhat.com>
10881 * dwarf2out.c (new_die): Use xcalloc.
10882 (output_die): Abort rather than emit a local reference to offset 0.
10884 2001-01-17 Andrew Haley <aph@redhat.com>
10886 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
10887 of a saved register; return NULL instead.
10888 (copy_reg): Take a pointer to a source register rather than a
10890 (next_stack_level): Remember the address in the stack frame of all
10892 Use the saved register pointer array as the source of the CFA.
10893 (throw_helper): Rewrite. Unwind once rather than twice and keep
10894 track of saved registers as we go.
10896 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10898 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
10899 * c4x.c (c4x_legitimize_reload_address): Remove.
10900 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
10901 reload address for ldp(k) insn.
10903 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
10905 * pa.md (return_internal): Add a USE of the PIC register to ensure
10906 it is restored after each call.
10907 (return expander): Corresponding changes.
10909 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10911 * rs6000.h (INIT_EXPANDERS): Delete.
10912 (RETURN_ADDR_RTX): Call rs6000_return_addr().
10913 * rs6000.c (rs6000_override_options): Call *_machine_status from
10915 (rs6000_init_expanders): ...instead of here. Delete.
10916 (rs6000_mark_machine_status): New function.
10917 (rs6000_init_machine_status): Use xcalloc.
10918 (rs6000_return_addr): Generate RTX for the return address.
10919 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
10920 (rs6000_stack_info): Use it.
10922 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
10924 * gthr-win32.h: Include errno.h to get a declaration for
10925 EINVAL and _mingw.h if the target is mingw32.
10927 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
10929 * cpp.texi: Correct typos.
10931 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10933 * explow.c (probe_stack_range): Ensure value passed to
10934 stack_check_libfunc is ptr_mode, not Pmode.
10936 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
10938 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
10939 case, don't use operand_subword to calculate a SUBREG that is
10942 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
10944 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10946 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
10947 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
10948 valid. If not replace it by equivalent insns.
10950 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10952 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
10953 contains SYMBOL_REF, LABEL_REF and CONST_INT.
10954 (c4x_U_constraint, symbolic_address_operand): Likewise.
10955 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
10957 (c4x_r11_set_p, c4x_check_laj_p): New functions.
10958 * c4x-protos.h (c4x_check_laj_p): Add prototype.
10959 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
10960 anulling slot because of silicon bug.
10961 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
10963 2001-01-22 Alan Modra <alan@linuxcare.com.au>
10965 * cppexp.c (parse_charconst): Change `mask' type to agree
10968 2001-01-21 Richard Henderson <rth@redhat.com>
10970 * config/i386/i386.c (ix86_asm_file_end): Disable putting
10971 pic_label_name in a linkonce section.
10973 2001-01-17 Philipp Thomas <pthomas@suse.de>
10975 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
10977 * configure: Regenerate.
10979 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
10981 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
10982 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
10984 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
10986 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
10987 If REVERSE nonzero then condition code in X must be reversed.
10988 (encode_section_info): Optimise if/else.
10989 (avr_function_value): Fix formatting.
10991 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
10992 (difficult_branch): Likewise.
10993 (rvbranch): Likewise.
10994 (difficult_rvbranch): Likewise.
10996 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
10998 * config/avr/libgcc.S: Fix comment.
11000 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11002 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
11004 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11006 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
11008 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11010 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
11011 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
11012 * configure, config.in: Regenerate.
11013 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
11014 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
11015 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
11016 (doprint.o): New rule.
11018 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
11020 * c-typeck.c (digest_init): Handle boolean types as scalars.
11022 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11024 * stmt.c (expand_return): Don't return anything if size is zero.
11025 Delete redundant assignment to BYTES.
11026 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
11028 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
11030 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
11031 the same as the default library function names.
11032 * config/avr/avr.md: Document special characters after '%'.
11033 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
11034 knowing which of the call-used registers are really clobbered.
11035 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
11036 New. Both quotient and remainder from one libgcc.S call.
11037 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
11038 clobber as few registers as possible.
11039 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
11041 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
11043 * cppmacro.c (funlike_invocation_p): Don't move back up to the
11044 context of the top of the stack.
11046 2001-01-20 Jakub Jelinek <jakub@redhat.com>
11048 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
11049 (fixup_var_refs_insns): ...here.
11051 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
11053 * function.c (fixup_var_refs_insns): Break up into
11054 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
11055 [loop over entire insn list], and fixup_var_refs_insns_with_hash
11056 [loop over hash table entries].
11057 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
11058 fixup_var_refs_insns_with_hash, to match above changes.
11060 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
11062 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
11063 (libgcc.a): Likewise.
11064 (stmp-multilib): Likewise.
11065 (STAGE2_FLAGS_TO_PASS): Likewise.
11067 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
11069 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
11070 temporary if no_new_pseudos.
11072 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
11074 * cppinternals.texi: Update.
11076 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
11078 * arm.c (arm_init_builtins): Re-enable builtins.
11080 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11082 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
11083 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
11084 element to be null, and always expect an EXPR_LIST.
11085 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
11086 * sched-deps.c (sched_analyze_1): Likewise.
11087 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11089 * regclass.c (max_set_parallel): New variable.
11090 (reg_scan): Take it into account in computation of max_parallel.
11091 (reg_scan_mark_refs, case SET): Compute it.
11093 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
11095 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
11096 * function.c (assign_parms): Use INTVAL for a CONST_INT.
11098 2001-01-19 Jason Merrill <jason@redhat.com>
11100 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
11101 for the abstract instance of an inline function.
11103 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
11104 J"orn Rennecke <amylaar@redhat.com>
11106 * reload1.c (move2add_note_store): Treat all registers directly or
11107 indirectly derived from a base register as members of the same set
11109 (reload_cse_move2add): Adjust accordingly. Take mode and offset
11110 of base register into account.
11112 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
11114 * alias.c (find_base_value): Recognize TRUNCATE.
11115 (record_set): In PLUS case, invalidate if other summand is also a
11118 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11120 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
11121 entry to be EXPR_LIST.
11122 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
11123 be an EXPR_LIST (but not null, which other code doesn't allow).
11124 (note_stores): Properly handle PARALLEL in SET.
11125 Recursively call for top-level PARALLEL.
11126 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
11127 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11129 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
11131 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
11133 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
11134 not pfile->skipping (== 0).
11136 2001-01-17 Nick Clifton <nickc@redhat.com>
11138 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
11141 2001-01-17 Jim Wilson <wilson@redhat.com>
11143 * invoke.texi (IA-64 options): Improve.
11145 2001-01-17 Tom Tromey <tromey@redhat.com>
11147 * invoke.texi (Optimize Options): Use `{}' to around @samp
11150 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
11152 * invoke.texi (-fno-guess-branch-probability): New option.
11154 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11156 * combine.c (try_combine): Don't set i3_subst_into_i2 for
11157 case of making new double-word constant.
11158 Revert last change: instead just test i3_subst_into_i2.
11160 2001-01-17 Jakub Jelinek <jakub@redhat.com>
11162 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
11163 Use q constraints instead of r.
11165 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
11167 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
11168 (machine_function): Define.
11169 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
11170 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
11171 pa_free_machine_status): New functions.
11172 (override_options): Set {init,mark,free}_machine_status to above.
11173 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11174 PIC_OFFSET_TABLE_REGNUM_SAVED.
11175 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11176 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
11177 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
11178 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
11179 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11181 2001-01-15 DJ Delorie <dj@redhat.com>
11183 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
11187 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11189 * flow.c (propagate_one_insn): Make trying to delete a prologue
11190 or epilogue insn an ICE, not a warning. Allow doing this if
11191 the current function returns with stack pointer depressed.
11193 * combine.c (try_combine): If i3_subst_into_i2, properly check for
11194 I3 having more than one SET.
11196 2001-01-16 Jim Wilson <wilson@redhat.com>
11198 * invoke.texi: Document IA-64 options.
11200 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
11201 (fixup_errata): Delete TARGET_A_STEP use.
11202 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
11203 (TARGET_SWITCHES): Delete -ma-step option.
11204 * config/ia64/ia64.md (all FP patterns): Delete %B0.
11205 (movqicc_astep, movqi_internal_astep, movhicc_astep,
11206 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
11207 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
11208 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
11209 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
11211 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
11212 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
11213 cmovsi_internal): Delete ! TARGET_A_STEP check.
11215 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11217 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
11218 possibility to report bugs via postal mail. Change a URL and
11219 merge in a nearly duplicate statement...
11220 (Bug Reporting): ...from here.
11221 (Service): Refer to the Bug Reporting section instead of
11222 duplicating an URL.
11223 (Contributing): Remove trivial explanations concerning snapshots.
11225 2001-01-16 Alan Modra <alan@linuxcare.com.au>
11227 * cppmain.c (general_init): Don't use ANSI prototype.
11229 2001-01-16 Tom Tromey <tromey@redhat.com>
11231 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
11233 2001-01-16 Richard Henderson <rth@redhat.com>
11235 * config/i386/i386.h: Fix comment typo.
11236 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
11237 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
11239 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11241 * gcc.c: Revert previous -fsyntax-only-related change; move
11244 2001-01-16 Jakub Jelinek <jakub@redhat.com>
11246 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
11247 inmode after checking GET_CODE (op).
11249 2001-01-16 Richard Henderson <rth@redhat.com>
11251 * flow.c (struct propagate_block_info): Add mem_set_list_len.
11252 (MAX_MEM_SET_LIST_LEN): New.
11253 (propagate_one_insn): Update mem_set_list_len.
11254 (invalidate_mems_from_autoinc): Likewise.
11255 (invalidate_mems_from_set): Likewise.
11256 (mark_used_regs): Likewise.
11257 (init_propagate_block_info): Likewise. Stop collecting memories
11258 when we reach MAX_MEM_SET_LIST_LEN.
11259 (mark_set_1): Likewise.
11261 2001-01-16 Richard Henderson <rth@redhat.com>
11263 * unroll.c (precondition_loop_p): Fail if no iteration
11266 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11268 * gcc.c: When -fsyntax-only is given, do not complain about
11271 2001-01-15 Richard Henderson <rth@redhat.com>
11273 * config/i386/i386.c (asm_output_function_prefix): Remove.
11274 (ix86_asm_file_end): New.
11275 (load_pic_register): Generate pic_label_name into a
11276 staticly allocated buffer.
11277 * config/i386/i386-protos.h: Update.
11278 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
11279 (ASM_FILE_END): New.
11280 * config/i386/i386afe.h: New file.
11281 * config.gcc (i?86-*-elf) [tm_file]: Use it.
11282 (i?86-*-{freebsd,linux*,moss*}): Likewise.
11283 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
11284 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
11285 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
11286 * config/i386/sco5.h (ASM_FILE_END): Likewise.
11287 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
11289 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
11291 * Makefile.in (install-man): Remove explicit dependency on
11294 * configure.in, configure: Revert previous patch requiring perl
11297 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
11299 * toplev.c (flag_guess_branch_prob): New.
11300 (f_options): Add guess-branch-probability option.
11301 (rest_of_decl_compilation): Only estimate branch probability if
11303 (main): set flag_guess_branch_prob.
11305 * flags.h (flag_guess_branch_prob): New.
11307 2001-01-15 DJ Delorie <dj@redhat.com>
11309 * gcc.texi (Makefile): Add documentation for Makefile targets.
11311 2001-01-15 Philip Blundell <philb@gnu.org>
11313 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
11315 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
11316 (is_pic): Delete declaration.
11317 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
11318 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
11319 * config/arm/arm.md (builtin_setjmp_receiver): New.
11321 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11323 * arm.c (use_return_insn): Don't try to determine the function type
11324 until after reload has completed.
11325 (arm_output_epilogue): Don't adjust the sp value recovered from the
11327 (emit_multi_reg_push): Don't record dwarf information for the pc.
11328 * arm.md (eh_epilogue): The function type may have changed, so it
11329 needs to be recalculated.
11330 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
11331 unwind tables on arm/netbsd.
11333 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11335 * arm.md (cbranchsi4): Correct calculation of branch ranges.
11336 (negated_cbranchsi4): Likewise.
11338 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11340 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
11341 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11342 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
11343 pass -mapcs-* options to assembler.
11344 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
11345 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11346 (ASM_SPEC): Call subtarget_extra_asm_spec.
11348 2001-01-15 Andreas Jaeger <aj@suse.de>
11350 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
11352 (ix86_expand_builtin): Likewise.
11354 * gencodes.c (output_predicate_decls): Make i size_t to avoid
11355 warning about comparison between signed and unsigned.
11357 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11359 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
11361 2001-01-14 Ralf Baechle <ralf@gnu.org>
11363 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
11364 SUBTARGET_CPP_SPEC apropriatly.
11366 2001-01-12 Mark Mitchell <mark@codesourcery.com>
11368 * varasm.c (make_decl_rtl): Fix typo in last change.
11370 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
11372 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
11373 linker supports the init_priority C++ attribute.
11374 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
11375 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
11376 linker does not support init_priority C++ attribute.
11378 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
11380 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
11382 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11384 * c-parse.in (finish_parse): Add comment about cpp_destroy.
11385 * cp/lex.c (finish_parse): Similarly.
11386 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
11387 Return the number of errors encountered.
11388 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
11389 * cppmain.c (main): Don't call cpp_destroy.
11391 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
11393 * configure.in: Require at least perl 5.6.0 to regenerate
11395 * configure: Regenerate.
11397 2001-01-14 Richard Henderson <rth@redhat.com>
11399 * genrecog.c (DT_veclen_ge): New.
11400 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
11401 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
11402 (nodes_identical_1): Handle DT_veclen_ge.
11403 (write_cond, debug_decision_2): Likewise.
11405 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11407 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
11409 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
11411 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11413 * cppmain.c (do_preprocessing): New function; most of the old
11415 (main): Call it to do most of the work.
11416 (cb): Move from global scope to set_callbacks ().
11417 (setup_callbacks): Get the callback pointer.
11418 (general_init, printer_init): Clean up code and comments.
11420 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11422 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
11425 2001-01-14 Kazu Hirata <kazu@hxi.com>
11427 * config/h8300/h8300.c (get_shift_alg): Update comments.
11429 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11431 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
11432 (alloc_page, ggc_alloc): Add casts to remove warnings.
11434 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11436 * combine.c (simplify_comparison): Don't change `code' when
11437 can't reverse comparison.
11439 2001-01-14 Richard Henderson <rth@redhat.com>
11441 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
11442 update all call sites. Return true for all non-label constants.
11444 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
11446 * i386.c (ix86_expand_compare): Add bypass_test and second_test
11448 (ix86_expand_branch): Update.
11449 (ix86_expand_setcc): Update to handle multiple test conditions.
11450 (expand_int_movcc): Likewise.
11451 (expand_fp_movcc): Likewise.
11452 * i386-protos.h (ix86_expand_compare): New.
11453 * i386.md (andqi_?_slp, orqi_?_slp): New.
11454 (conditional trap expander): Update call to ix86_expand_compare.
11456 2001-01-14 Richard Henderson <rth@redhat.com>
11458 * config/vax/vax.md: Use nonimmediate_operand instead of
11459 general_operand in destinations.
11461 * config/vax/vax.md (indirect_jump): Use register_operand.
11463 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
11464 * config/vax/vax.md (call_pop): Turn into an expander.
11465 (call_value_pop): Likewise.
11466 (call, call_value): New.
11468 2001-01-14 Andreas Jaeger <aj@suse.de>
11470 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
11472 (ix86_fp_compare_mode): Add unused attribute.
11473 (ix86_expand_fp_movcc): Remove unused variable.
11474 (ix86_expand_builtin): Make fcode unsigned.
11476 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
11477 (expand_expr): Add cast to avoid signed warning.
11478 (store_field): Likewise.
11479 (store_constructor_field): Likewise.
11480 (store_constructor): Likewise.
11481 (store_expr): Likewise.
11482 (clear_storage): Likewise.
11483 (emit_group_store): Likewise.
11484 (emit_group_load): Likewise.
11486 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11488 * c-common.c: Move format checking code to ...
11489 * c-format.c: ... here. New file. Reorder some functions and
11491 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
11493 * c-common.h (decl_handle_format_attribute,
11494 decl_handle_format_arg_attribute): Declare.
11495 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
11496 (c-common.o): Adjust dependencies.
11497 (c-format.o): New list of dependencies.
11499 2001-01-13 Jakub Jelinek <jakub@redhat.com>
11501 * unroll.c (loop_iterations): If we cannot prove iteration variable
11502 is set once in each iteration, punt.
11504 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
11506 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
11507 (*strlenhi): Remove clobber (which was buggy) of output address.
11509 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11511 * Makefile.in (generated-manpages): Add gcc.1
11512 ($(srcdir)/gcc.1): New target.
11513 (maintainer-clean): Delete $(srcdir)/gcc.1.
11514 * gcc.texi: Add macros @gccoptlist and @gol.
11515 * invoke.texi: Include option summary in manpage. Mark up option
11516 summary with @gccoptlist and @gol. Use @r in one place where
11518 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
11519 * gcc.1: Generate from invoke.texi.
11521 2001-01-13 Richard Henderson <rth@redhat.com>
11523 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
11524 (struct page_entry): Add group member.
11525 (struct page_group): New.
11526 (struct globals): Add page_groups member.
11527 (alloc_anon): Only define for using mmap; remove valloc call.
11528 (page_group_index): New.
11529 (set_page_group_in_use): New.
11530 (clear_page_group_in_use): New.
11531 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
11532 (free_page, release_pages): Likewise.
11533 * configure.in (with-gc): Default to ggc-page always.
11535 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11537 * reload1.c (replace_pseudos_in_call_usage): Use
11538 reg_equiv_constant and reg_equiv_address, and don't try
11539 regno_reg_rtx first.
11541 2001-01-13 Richard Henderson <rth@redhat.com>
11543 * ggc-page.c (alloc_page): Round up allocation size to one page.
11544 Set e->order on extra pages.
11546 2001-01-13 Richard Henderson <rth@redhat.com>
11548 * genrecog.c (nodes_identical): Expand commentary.
11549 (write_switch): Watch out for identical nodes.
11551 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11553 * cppfiles.c (_cpp_fake_include): New function.
11554 * cpphash.h (_cpp_fake_include): New.
11555 * cpplib.c (do_line): Call _cpp_fake_include when entering
11556 header files in preprocessed input.
11557 * cppmain.c (cb_pragma_implementation): Remove handling.
11558 (setup_callbacks): Don't register pragmas.
11560 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11562 * extend.texi: Udate for CPP.
11564 2001-01-13 Andreas Jaeger <aj@suse.de>
11566 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
11568 * regmove.c: Add prototype for replace_in_call_usage.
11570 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11572 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
11573 struct cpp_chunk, struct htab, struct toklist,
11574 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
11575 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
11576 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
11577 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
11578 (struct macro_args): Delete.
11579 * cpphash.h: See above.
11581 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11583 * cppmain.c (struct printer): Remove no_line_dirs.
11584 (options, cb): New.
11585 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
11586 : Use options rather than CPP_OPTION.
11587 (setup_callbacks): Use cb rather than pfile->cb.
11588 (main): No need to check for a buffer. Use cpp_errors.
11589 (printer_init): Don't set no_line_dirs.
11590 (maybe_print_line): Use options not no_line_dirs.
11591 (cb_file_change): Don't call print_line if -P.
11593 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11595 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
11597 * c-parse.in (finish_parse): Use cpp_errors.
11598 (__yylex): Use return value of cpp_pop_buffer.
11599 * cp/lex.c (finish_parse): Use cpp_errors.
11600 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
11602 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
11604 * README.AVR: URLs corrected.
11606 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11608 * c-decl.c (start_function): Don't warn if old prototype is builtin
11609 that's not in C's namespace.
11610 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
11611 (_bb): Add prototype for ctime.
11612 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
11614 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
11616 * i386.c (ix86_fp_comparison_arithmetics_cost,
11617 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
11618 ix86_fp_comparison_cost): New functions.
11619 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
11620 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
11621 two-branch sequences; make static.
11622 (ix86_use_fcomi_compare): Do decision according to the costs.
11623 (split_fp_branch): New.
11624 * i386.md (compare-and-branch patterns): Use split_fp_branch.
11625 * i386-protos.h (ix86_expand_fp_compare): Remove
11626 (ix86_split_fp_branch): Declare.
11628 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
11629 and ix86_comparison_operator.
11631 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
11632 to make it cheaper.
11634 * i386.c (put_condition_code): Output properly the unordered/ordered
11635 compares in fp case.
11636 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
11638 * tm.texi (REVERSE_CONDITION): Document.
11639 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
11640 in -ffast-math mode.
11641 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
11643 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11645 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
11647 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
11650 * config/sh/sh.c (mova_p): Fix test for mova_const.
11652 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11654 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
11655 cpp_get_options rather than dereferencing pfile and using
11657 * scan-decls.c (scan_decls): Use return value of
11658 cpp_pop_buffer rather than CPP_BUFFER.
11660 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11662 * cppinit.c (cpp_handle_option): help_only is now part of the
11663 cpp_options structure.
11664 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
11665 cpp_set_callbacks): New functions.
11666 * cpplib.h (cpp_callbacks): Break out as a named structure.
11667 (cpp_options): Move help_only here from cpp_reader.
11668 (CPP_FATAL_ERRORS): Update to use cpp_errors.
11669 (cpp_errors, cpp_get_options, cpp_get_callbacks,
11670 cpp_set_callbacks): New prototypes.
11671 * cppmain.c (main): Update for help_only.
11673 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11675 * Makefile.in (info, maintainer-clean, install-info, uninstall):
11676 Also build and remove and install and uninstall c-tree.info and
11678 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
11679 ($(srcdir)/cppinternals.info): New target.
11680 * c-tree.texi: Change file name used when makeinfo used without -o
11681 from ir.info to c-tree.info. Add info directory entry.
11682 * cppinternals.texi: Add info directory entry.
11683 * .cvsignore: Update.
11685 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11687 * c-typeck.c (store_init_value): Don't require constant initializer
11688 elements with -pedantic -std=c99.
11689 (digest_init): Change error about non-constant initializer elements
11691 (constructor_range_end): Remove.
11692 (constructor_incremental, designator_depth,
11693 designator_errorneous): New variables.
11694 (struct constructor_stack): Remove range_end, add incremental.
11695 (struct constructor_range_stack, constructor_range_stack): New.
11696 (struct initializer_stack): Add constructor_range_stack.
11697 (finish_init): Set it.
11698 (start_init): Likewise. require_constant_elements for non-static
11699 trees only if not flag_isoc99.
11700 (really_start_incremental_init): Remove constructor_range_end, add
11701 constructor_incremental.
11702 (pop_init_level): Likewise.
11703 (push_init_level): Likewise. If implicit and the subobject had some
11704 value set already, preinitialize the level with it.
11705 Warn about missing braces only if not pushing due to designators.
11706 (set_designator, push_range_stack): New functions.
11707 (set_init_label): Use them.
11708 (set_init_index): Likewise. Remove constructor_range_end.
11709 Error if designator index is outside of array bounds.
11710 (add_pending_init): Compare values of purpose index trees, not the
11711 trees themselves. Allow overwriting of already initialized element.
11712 Issue a warning if it had side-effects.
11713 (set_nonincremental_init, set_nonincremental_init_from_string): New
11715 (pending_init_member): Rename to...
11716 (find_init_member): ...this function. Call set_nonincremental_init
11717 if necessary. Compare values of purpose index trees, not the trees
11718 themselves. Return the actual value, not just non-zero if something
11720 (output_init_element): Remove checks for duplicates.
11721 If field has zero size, only check the initializer for correctness.
11722 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
11723 if constructor_incremental is zero. Change error about initializers
11724 not computable at load time into pedwarn.
11725 (output_pending_init_elements): Compare bit positions, not
11726 FIELD_DECLs to take into account zero-sized fields.
11727 (process_init_element): Use constructor_range_stack to fill all
11728 ranges in the designator lists from current level up.
11729 * extend.texi: Update documentation for labeled elements.
11731 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
11733 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
11734 to function usage for arguments passed by reference. Optimize
11735 callee-copied arguments.
11736 * regmove.c (replace_in_call_usage): New function.
11737 (fixup_match_1): Call it.
11738 * cse.c (cse_insn): Canonicalize registers in function usage.
11739 * reload1.c (replace_pseudos_in_call_usage): New function.
11742 * Makefile.in: Reverted yesterday's wrong patch. Installed the
11745 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11747 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
11750 2001-01-12 DJ Delorie <dj@redhat.com>
11752 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
11753 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
11756 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11758 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
11759 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
11760 -std options alongside references to -ansi. Update some
11761 documentation for C99.
11762 * cpp.1: Regenerate.
11764 2001-01-12 Andreas Jaeger <aj@suse.de>
11766 * haifa-sched.c (restore_line_notes): Remove argument block B
11768 * sched-ebb.c (schedule_ebb): Change caller.
11769 * sched-rgn.c (schedule_region): Likewise.
11770 * sched-int.h (restore_line_notes): Adjust prototype.
11772 * loop.h: Remove wrong declaration of doloop_condition_get.
11774 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11776 * extend.texi: Move C++-extension-related node from the C section
11777 into the C++ section.
11779 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11781 * extend.texi: Refer to an array of pointers to functions instead
11782 of one of functions.
11784 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
11785 Jan Hubicka <jh@suse.cz>
11787 * combine.c (reversed_comparison): Fix typo in last patch.
11789 (combine_reversed_comparison_code): Make static to follow
11790 prototype declaration.
11792 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11794 * install.texi: Remove misplaced duplicate entry.
11796 2001-01-11 Ulrich Drepper <drepper@redhat.com>
11798 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
11800 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
11802 * final.c: (leaf_function_p): Fix typo.
11804 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
11806 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
11807 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
11809 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
11810 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
11811 mmap_anon, and valloc is available.
11812 * ggc-page.c: Restructure ifdef logic to match new autoconf
11813 spec. Don't throw away the test page in init_ggc.
11815 * configure, config.in: Regenerate.
11817 2001-01-12 Michael Hayes <mhayes@redhat.com>
11819 * loop.h (total_biv_increment): Constify iv_class pointer.
11820 (struct induction): Replace `mem_mode' with `mem' rtx.
11821 * unroll.c (total_biv_increment): Constify iv_class pointer.
11822 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
11823 (find_mem_givs, combine_givs_p): Likewise.
11824 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
11826 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
11828 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
11830 (__gthread_getspecific): Ditto.
11832 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
11834 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
11835 put_condition_code): Convert fp comparison codes to integer
11837 (ix86_expand_fp_compare): Postnote the fp comparison code converison
11840 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
11841 * i386-protos.h (no_comparison_operator): Kill.
11843 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
11845 * combine.c (REVERSIBLE_CC_MODE): Remove.
11846 (reversible_comparison_p): Remove.
11847 (combine_reversed_comparison_code): New.
11848 (reversed_comparison): New.
11849 (combine_simplify_rtx): Use
11850 combine_reversed_comparison_code/reversed_comparison instead
11851 of reversible_comparison_p.
11852 (simplify_if_then_else): Likewise.
11853 (simplify_set): Likewise.
11854 (simplify_logical): Likewise.
11855 (if_then_else_cond): Likewise.
11856 (known_cond): Likewise.
11857 (simplify_comparison): Likewise.
11859 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
11861 * builtins.c (std_expand_builtin_va_start): Handle varargs when
11862 sizeof (int) is larger than sizeof(__word__).
11864 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11866 * cppinit.c (do_includes): Fix typo.
11868 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11870 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
11871 in S_REGS does not occur because not all sources are possible
11872 when a S_REGS is a destination (sometimes needs a clobber).
11873 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
11874 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
11875 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
11876 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
11877 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
11878 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
11879 (lshrdi_const1, lshrsi3_const16): Likewise.
11880 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
11881 (*movhi_68hc12, *movqi_68hc12): Likewise.
11882 (movstrictqi): Make sure reloading in D_REGS as a destination
11885 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11887 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11889 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11891 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
11892 -D, -U and -A, and don't initialize the builtins.
11893 (do_includes): Error if -include or -imacros with -fpreprocessed.
11894 * cppmain.c (cb_define, cb_undef): Unconditionally process
11896 * tradcpp.c (main): Fix typo.
11898 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
11900 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
11901 (read_name_map): Use IS_ABSOLUTE_PATH.
11902 * tradcpp.c (get_filename): Likewise.
11904 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11906 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
11907 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
11908 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
11909 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
11910 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
11911 (cmphi_z_used): Don't use '@' for the output.
11912 (tstqi_z_used): Likewise.
11913 (cmpqi_z_used): Likewise.
11914 (one_cmplsi2): Likewise.
11916 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11918 * config/sh/sh.c (barrier_align): Recognize branch around far
11919 branch and redundant insn.
11921 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11923 * invoke.texi: Restore documentation of the drivers' switches -MD
11926 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11928 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
11930 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
11931 check-objc//%): Support parallel testing of multilibs.
11932 (TESTSUITEDIR): Set to testsuite by default, but override for
11934 (check-gcc, check-g++, check-g77, check-objc): Enter
11937 2001-01-11 Bernd Schmidt <bernds@redhat.com>
11939 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
11940 * sched-deps.c (deps_may_trap_p): Likewise.
11941 * basic-block.h: Remove a comment.
11942 * flow.c (PROP_POSTRELOAD): Remove.
11943 (update_life_info): Don't add it to prop_flags.
11944 (mark_set_1): Lose the code that was enabled by it.
11946 2001-01-11 Michael Hayes <mhayes@redhat.com>
11948 * flow.c (flow_call_edges_add): New.
11949 * basic_block.h (flow_call_edges_add): New.
11951 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
11953 * reload1.c (move2add_note_store): Update reg_set_luid even if
11954 base reg remains the same.
11956 2001-01-10 Nick Clifton <nickc@redhat.com>
11958 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
11959 machine_function structure to zero.
11960 Add prototypes for machine_status functions.
11962 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11964 * c-common.h (CTI_VOID_LIST): Remove.
11965 (void_list_node): Likewise.
11966 * tree.h (TI_VOID_LIST_NODE): New enumeral.
11967 (void_list_node): New macro.
11968 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
11969 * config/i386/i386.c (ix86_init_builtins): Likewise.
11970 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
11972 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11974 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
11975 * cppinit.c (cpp_start_read): Update comment, remove unneeded
11977 * tradcpp.c: Include mkdeps.h.
11978 (deps, print_deps_phony_targets, deps_append, output_deps,
11979 init_dependency_output, output_deps): New.
11980 (deps_buffer, deps_allocated_size, deps_size, deps_column,
11981 deps_output): Delete.
11982 (print_deps_missing_files): Rename deps_missing_files.
11983 (inhibit_output): Make global.
11984 (main): Delete inhibit_output, deps_stream, deps_target.
11985 Use mkdeps functionality in the same way as cpplib. Remove
11986 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
11987 -M and -MM. Remove old handling of deps via deps_out, and
11988 old reading of environment variables.
11989 (get_filename): Update to use deps_add_dep.
11991 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11993 * output.h (make_function_rtl): Remove prototype.
11994 (make_decl_rtl): Likewise.
11995 * varasm.c (make_function_rtl): Remove.
11996 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
11997 than from a third parameter.
11998 * tree.h (make_decl_rtl): Remove last parameter.
11999 * c-decl.c (builtin_function): Remove last argument in call to
12000 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
12001 (start_function): Likewise.
12002 * except.c (call_get_eh_context): Likewise.
12003 * expr.c (emit_block_move): Likewise.
12004 (clear_storage): Likewise.
12005 * profile.c (output_func_start_profiler): Likewise.
12006 * toplev.c (rest_of_decl_compilation): Likewise.
12007 * objc/objc-act.c (create_builtin_decl): Likewise.
12008 (synth_module_prologue): Likewise.
12009 (generate_static_reference): Likewise.
12010 (build_selector_reference_decl): Likewise.
12011 (build_class_reference_decl): Likewise.
12012 (build_objc_string_decl): Likewise.
12013 (build_protocol_reference): Likewise.
12015 2001-01-10 Richard Henderson <rth@redhat.com>
12017 * hwint.h: Revert yesterday's change.
12019 2001-01-10 Nick Clifton <nickc@redhat.com>
12021 * function.h (save_machine_status): Delete.
12022 (restore_machine_status): Delete.
12023 Amend comment describing {init|mark|free}_machine_status.
12025 * function.c (save_machine_status): Delete.
12026 (restore_machine_status): Delete.
12027 Amend comment describing {init|mark|free}_machine_status.
12028 (push_function_context_to): Remove invocation of
12029 save_machine_status.
12030 (pop_function_context_from): Remove invocation of
12031 restore_machine_status.
12033 * emit-rtl.c (init_emit_once): Amend comment describing
12034 {init|mark|free}_machine_status.
12036 * tm.texi (Per-Function Data): New node. Describe the
12037 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
12040 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12042 * cppinit.c (OPT_g): Remove.
12043 (cpp_handle_option): Update for removed -g3.
12044 (print_help): Update.
12045 * cpplib.h (struct cpp_options): Remove debug_output.
12046 * cppmain.c (setup_callbacks, cb_define): Update.
12047 * gcc.c (cpp_options): Translate -g3 to -dD.
12049 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
12051 * config/i960/i960.md: Change modifier to + on the zero_extract
12052 pattern after the (rotate -2 reg) canonicalization pattern.
12054 2001-01-10 Richard Henderson <rth@redhat.com>
12056 * config/alpha/alpha.c (alpha_free_machine_status): New.
12057 (override_options): Install it.
12058 (alpha_mark_machine_status): Verify machine non-null.
12059 * config/i386/i386.c (ix86_free_machine_status): New.
12060 (override_options): Install it.
12061 (ix86_init_machine_status): Use xcalloc.
12062 (ix86_mark_machine_status): Verify machine non-null.
12063 * config/ia64/ia64.c (ia64_free_machine_status): New.
12064 (ia64_override_options): Install it.
12065 (ia64_mark_machine_status): Verify machine non-null.
12067 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
12069 * function.c (instantiate_virtual_regs): Instantiate virtual
12070 registers found in CALL_INSN_FUNCTION_USAGE.
12072 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12074 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
12075 equivalent to -ansi in disabling -Di386.
12077 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
12079 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
12081 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
12083 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
12085 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
12087 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12089 * invoke.texi: Document that -fcond-mismatch isn't supported for
12092 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12094 * gcc.texi: Define macro gcctabopt.
12095 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
12096 @command, @env and @option in some places where appropriate. Use
12097 @gcctabopt where appropriate. Put URLs and email addresses inside
12100 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
12102 * gcc.c (cpp_options): Set MD file name from output
12103 filename, if specified.
12104 (suffix_subst): New static variable.
12105 (do_spec): Clear it.
12106 (do_spec_1, case '.'): Handle new `%.suffix' spec.
12108 (give_switch): Handle suffix_subst.
12110 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12112 * invoke.texi: Fix another typo.
12114 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12116 * invoke.texi: Fix typo.
12118 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12120 * c-lang.c (lang_hooks): Update.
12121 (lang_decode_option): Remove.
12122 (lang_init_options): Rename c_init_options.
12123 * toplev.c (main): Use lang_hooks for lang_init_options
12124 and lang_decode_option.
12125 * toplev.h (lang_hooks): Add 2 new hooks.
12126 * tree.h: Remove lang_init_options and lang_decode_option.
12127 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
12128 * cp/decl2.c: Similarly.
12129 * cp/lex.c (lang_init_options): Rename cxx_init_options.
12130 (lang_hooks): Update.
12131 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
12133 (lang_init_options): Rename ffe_init_options.
12134 (lang_hooks): Update.
12135 (lang_decode_option): Remove.
12136 * java/lang.c (lang_init_options): Rename java_init_options.
12137 (lang_decode_option): Rename java_decode_option.
12138 (lang_hooks): Update.
12139 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
12140 (lang_decode_option): Rename objc_decode_option.
12141 (lang_hooks): Update.
12143 2001-01-09 Nick Clifton <nickc@redhat.com>
12145 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
12146 (d30v_return_addr_rtx): Delete.
12147 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
12148 cfun->machine structure.
12149 (struct machine_function): Move to d30v.h
12150 (d30v_save_machine_status): Delete.
12151 (d30v_restore_machine_status): Delete.
12152 (d30v_init_machine_status): New Function.
12153 (d30v_mark_machine_status): New Function.
12154 (d30v_free_machine_status): New Function.
12155 (d30v_init_expanders): Use new functions.
12156 (d30v_return_addr): Use ra_rtx field in cfun->machine.
12157 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
12158 d30v_return_addr_rtx.
12160 * config/d30v/d30v.h (struct_machine): Move here.
12161 Add eh_epilogue_sp_ofs field.
12163 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
12164 field in cfun->machine structure.
12166 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
12168 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
12169 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
12170 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12172 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
12174 * objc/lang-options.h: Remove bogus reference to
12177 2001-01-09 Kazu Hirata <kazu@hxi.com>
12179 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
12182 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
12184 * reload.c (find_reloads_address): Check for eliminable registers
12185 when substituting a constant expression for a pseudo.
12187 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
12189 * c-common.c (enum format_type): Add format_type_error.
12190 (decode_format_type): New function.
12191 (decl_attributes): Use it.
12192 (format_kind_info): Adjust comment.
12194 2001-01-09 David O'Brien <obrien@BSDi.com>
12196 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
12197 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
12199 * config/i386/gnu.h: Don't include required platform specific .h files,
12200 tm.h will do it instead.
12201 * config/i386/i386elf.h: Likewise.
12202 * config/i386/linux.h: Likewise.
12203 * config/i386/moss.h: Likewise.
12204 * config/mips/gnu.h: Likewise.
12206 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12208 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
12209 (rs6000-ibm-aix3.[01]*): Likewise.
12210 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
12211 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
12212 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
12213 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
12214 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
12215 (powerpc-*-eabiaix*): Likewise.
12216 (powerpc-*-eabisim*): Likewise.
12217 (powerpc-*-elf*): Likewise.
12218 (powerpc-*-eabi*): Likewise.
12219 (powerpc-*-rtems*): Likewise.
12220 (powerpc-*-linux*libc1): Likewise.
12221 (powerpc-*-linux*): Likewise.
12222 (powerpc-wrs-vxworks*): Likewise.
12223 (powerpcle-wrs-vxworks*): Likewise.
12224 (powerpcle-*-sysv*): Likewise.
12225 (powerpcle-*-elf*): Likewise.
12226 (powerpcle-*-eabisim*): Likewise.
12227 (powerpcle-*-eabi*): Likewise.
12228 (powerpcle-*-solaris2*): Likewise.
12229 * config/rs6000/aix31.h: Delete includes.
12230 * config/rs6000/aix3newas.h: Likewise.
12231 * config/rs6000/aix41.h: Likewise.
12232 * config/rs6000/aix43.h: Likewise.
12233 * config/rs6000/beos.h: Likewise.
12234 * config/rs6000/rtems.h: Likewise.
12235 * config/rs6000/sysv4.h: Likewise.
12237 2001-01-09 Kazu Hirata <kazu@hxi.com>
12239 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
12240 Change an argument mode of machine_mode to shift_mode of
12241 shift_mode. Remove an extra error check.
12242 (emit_a_shift): Adopt to the new calling prototype of
12244 (function_prologue): Fix code for a monitor
12245 function. Support H8/S.
12246 (function_epilogue): Do not output pop for a monitor function.
12248 2001-01-09 Nick Clifton <nickc@redhat.com>
12250 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
12251 (setup_incoming_varargs): Use sysv_varargs_p field of the
12252 cfun->machine structure.
12253 (struct machine_function): Move to rs6000.h
12254 (rs6000_save_machine_status): Delete.
12255 (rs6000_restore_machine_status): Delete.
12256 (rs6000_init_machine_status): New Function.
12257 (rs6000_free_machine_status): New Function.
12258 (rs6000_init_expanders): Use new functions.
12260 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
12262 (struct machine_function): Move here.
12264 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
12265 sysv_varargs_p field of the cfun->machine structure.
12267 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
12269 (rs6000_restore_machine_status): Remove prototype.
12271 2001-01-09 Richard Henderson <rth@redhat.com>
12273 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
12274 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
12275 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
12276 (sched_analyze_2, sched_analyze_insn): Likewise.
12277 (sched_analyze, init_deps): Likewise.
12278 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
12279 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
12280 (compute_block_backward_dependences): Update propagate_deps call.
12282 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
12284 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
12286 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12288 * cppinit.c (OPT_MD, OPT_MMD): Restore.
12289 (cpp_handle_option): Handle them.
12290 (cpp_post_options): Ensure one of -M or -MM is specified with
12291 any other -M? option.
12292 (init_dependency_output): Suppress output with -MG.
12294 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12296 * cpp.texi: Update.
12297 * invoke.texi: Update.
12299 2001-01-09 Bernd Schmidt <bernds@redhat.com>
12301 * sh.md (reload_outsf): Generate recognizable patterns for
12304 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12306 * c-lang.c (lang_hooks): Update.
12307 (lang_init): Rename c_init.
12308 (lang_finish): Remove.
12309 * toplev.c (compile_file): Use lang_hooks for lang_init ()
12310 and lang_finish ().
12311 * toplev.h (lang_hooks): Add init () and finish ().
12312 * tree.h (lang_init, lang_finish): Remove.
12313 * cp/tree.h (lang_init, lang_finish): Remove.
12314 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
12315 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
12317 (lang_init, lang_finish): Remove.
12318 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
12319 (lang_hooks): Update.
12320 * java/lang.c (lang_init): Rename java_init.
12321 (lang_finish): Remove.
12322 (lang_hooks): Update.
12323 * objc/objc-act.c (lang_init): Rename objc_init.
12324 (lang_finish): Remove.
12325 (lang_hoooks): Update.
12327 20001-01-09 Graham Stott <grahams@redhat.com>
12329 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
12330 after `ptr` is initialised.
12332 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12334 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
12335 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
12336 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
12337 stack adjusts, instead of r3.
12339 2001-01-09 Michael Hayes <mhayes@redhat.com>
12341 * flow.c (flow_loop_scan): Break out of ...
12342 (flow_loops_find) ... here.
12343 * basic-block.h (flow_loop_scan): New.
12344 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
12345 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
12347 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12349 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
12351 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
12352 realloc()ing macro_buffer.
12354 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
12355 if it's wider than long and the target's long is wider than the
12358 2001-01-09 Mark Mitchell <mark@codesourcery.com>
12360 Remove support for using UWIN as a host machine.
12361 * configure.in: Issue an error message.
12362 * configure: Regenerated.
12363 * config.gcc: Remove xm_* UWIN configury.
12364 * config/i386/xm-uwin.h: Remove.
12366 2001-01-08 Nick Clifton <nickc@redhat.com>
12368 * config/v850/v850.c (ra_rtx): Delete.
12369 (v850_save_machine_status): Delete.
12370 (v850_restore_machine_status): Delete.
12371 (v850_init_machine_status): New function.
12372 (v850_mark_machine_status): New function.
12373 (v850_free_machine_status): New function.
12374 (v850_return_addr): Use ra_rtx field in machine structure.
12375 (v850_init_expanders): Use new functions.
12377 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
12378 * config/v850/v850.c: Change arguments to v850_output+* functions
12379 to take a const char *, to avoid compile time warning.
12380 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
12381 (USER_LABEL_PREFIX): Redefine.
12383 2000-01-08 Jim Wilson <wilson@redhat.com>
12385 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
12386 1 to unsigned HOST_WIDE_INT before left shift.
12388 2001-01-08 Nick Clifton <nickc@redhat.com>
12390 * config/arm/arm.c (arm_mark_machine_status): Check to see if
12391 the machine structure has been allocated.
12392 (arm_free_machine_status): New function: Free the machine
12393 specific function structure.
12395 2001-01-08 Richard Henderson <rth@redhat.com>
12397 * jump.c (simplejump_p): Revert last change.
12399 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
12401 * cppinit.c (init): Rename init_library.
12402 (cpp_create_reader): Update.
12403 * gcc.c (cpp_options): If -o given, use it as the target of
12406 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12408 * arm.c (arm_arch5e): New variable.
12409 (all_cores): XScale is a 5TE device.
12410 (arm_override_options): Set arm_arch5e.
12411 (arm_init_builtins): __builtin_prefetch is in arch5e.
12412 * arm.h (arm_arch5e): Declare it.
12414 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
12416 * arm.md (define_constants): Add defines for UNSPEC and
12417 UNSPEC_VOLATILE insns. Update all users.
12418 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
12419 * arm.c (multi_register_push, note_invalid_constants)
12420 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
12421 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
12422 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
12424 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
12426 * jump.c (jump_optimize_1): Use reversed_comparison_code
12427 instead of can_reverse_comparison_p.
12428 (jump_back_p): Likewise.
12429 (invert_exp_1): Likewise.
12430 (thread_jumps): Likewise.
12431 * simplify-rtx.c (simplify_unary_operation): Likewise.
12432 (simplify_ternary_operation): Likewise.
12433 * cse.c (find_comparison_args): Convert to use
12434 can_reverse_comparison_p.
12435 (record_jump_equiv): Likewise.
12437 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12439 * arm.h (HARD_REGNO_RENAME_OK): Delete.
12440 (EPILOGUE_USES): Define.
12441 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
12442 automatically stack the LR if it isn't live.
12444 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
12446 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
12449 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
12451 * ggc-page.c (max_alignment): New structure.
12452 (MAX_ALIGNMENT): New macro.
12453 (init_ggc): Use it to round up the sizes in the
12454 extra_order_size_table.
12456 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12458 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
12461 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12463 * builtins.def (BUILT_IN_FPRINTF): New entry.
12465 * c-common.c (c_expand_builtin_fprintf): New function.
12466 (init_function_format_info): Handle __builtin_fprintf.
12467 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
12468 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
12470 * c-decl.c (duplicate_decls): Adjust comment.
12472 * extend.texi (fprintf): Document new builtin.
12474 2001-01-07 Richard Henderson <rth@redhat.com>
12476 * jump.c (simplejump_p): Recognize any single_set jump
12477 of the proper form.
12479 2001-01-07 Richard Henderson <rth@redhat.com>
12481 * configure.in (slibdir): Accept an --with-slibdir option.
12482 Use "test" not "[" in configure. Default to $(libdir).
12484 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
12486 * config/t-aix43 (SHLIB_INSTALL): Likewise.
12487 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
12488 (SHLIB_LINK): Create links for the soname.
12489 * config/mips/t-iris6: Likewise.
12490 * config/sparc/t-slibgcc: Likewise.
12491 * config/sparc/t-slibgcc-sld: Likewise.
12493 2001-01-07 Jakub Jelinek <jakub@redhat.com>
12495 * config/i386/i386.c (constant_call_address_operand): Accept
12496 (const (plus (symbol_ref) (const_int))).
12497 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
12498 constant_call_address_operand.
12500 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12502 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
12503 and LONG_LONG_TYPE_SIZE > 32.
12505 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12507 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
12508 the previous change.
12510 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
12512 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
12514 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
12515 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
12516 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
12519 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12521 * fix-header.c (read_scan_file): s/pfile/scan_in/.
12523 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12525 * c-lang.c (c_post_options): Call cpp_post_options.
12526 * objc/objc-act.c (objc_post_options): Similarly.
12527 * cppmain.c (main): Similarly.
12528 * fix-header.c (read_scan_file): Similarly.
12529 * cppinit.c (cpp_start_read): Move option consistency checks
12530 to cpp_post_options. Don't call init_dependency_output.
12531 If needed, add default target and main file dependency.
12532 (OPT_MD, OPT_MMD): Remove.
12534 (cpp_handle_option): Update for OPT_* changes.
12535 (cpp_post_options): New.
12536 (init_dependency_output): Command line -MF overrides environment
12537 variables. Don't set default target etc. Suppress output
12538 if dependencies are going to stdout.
12539 (print_help): Update.
12540 * cpplib.h (cpp_post_options): New.
12541 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
12543 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
12545 * jump.c (comparison_dominates_p): Support unordered compares.
12547 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
12549 * simplify-rtx.c (simplify_relational_operation): Always simplify
12550 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
12553 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
12555 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
12556 (nonzero_bits): Likewise.
12557 (simplify_comparison): Likewise.
12558 (num_sign_bit_copies): Likewise; return more sane value depending
12559 on STORE_FLAG_VALUE.
12560 (known_cond): Do not assume EQ to be always true for equivalent
12563 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
12565 * cse.c (fold_rtx): Handle unordered comparisons.
12567 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
12569 * rtlanal.c (set_of_1): New static function.
12570 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
12571 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
12572 reg_set_last_last_regno): Remove.
12573 (set_of): New global function.
12574 (set_of_data): New structure.
12575 (reg_set_p, reg_set_last): Revamp for set_of.
12576 * rtl.h (set_of): New.
12578 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
12580 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
12581 * extend.texi: Document _Exit builtin.
12583 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12585 * (initialize, initialize_builtins,
12586 initialize_dependency_output, initialize_standard_includes):
12587 Rename s/initialize/init. Update.
12588 (init_dependency_output): Move to after
12589 cpp_handle_options, the correct location temporally at least.
12590 (opt_comp): Move next to init (), its caller. Fix prototype.
12591 (init): Make "initialized" local scope.
12592 (cpp_create_reader): Always call init ().
12593 (cpp_start_read): Update.
12594 (output_deps): New function, broken out of cpp_finish.
12595 (cpp_finish): Break out output_deps.
12597 2001-01-07 Richard Henderson <rth@redhat.com>
12599 * collect2.c (COFF specific stuff): Revert 12-06 patch
12600 to prototype system functions.
12602 2001-01-07 Michael Hayes <mhayes@redhat.com>
12604 * hard-reg-set.h: Add multiple include guard.
12605 * basic-block.h (struct loop): Add `sink' field.
12606 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
12607 (emit_iv_add_mult): Delete.
12608 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
12609 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
12610 (unroll_loop): Remove end_insert_before argument.
12611 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
12612 (maybe_eliminate_biv_1): Likewise.
12613 (emit_iv_add_mult): Delete.
12614 (gen_add_mult, loop_regs_update): New.
12615 (loop_insn_emit_after, loop_insn_emit_before): New.
12616 (loop_insn_sink, loop_insn_sink_or_swim): New.
12617 (emit_iv_add_mult): Delete.
12618 (scan_loop): Set loop->sink.
12619 (loop_givs_reduce): Use loop_insn_sink and its ilk.
12620 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
12621 (maybe_eliminate_biv_1): Likewise.
12622 (maybe_eliminate_biv_1): Add basic block argument.
12623 * unroll.c (unroll_loop): Remove end_insert_before argument.
12624 (find_splittable_regs): Likewise.
12625 (find_splittable_regs): Use loop_insn_sink and its ilk.
12626 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
12628 2001-01-07 Michael Hayes <mhayes@redhat.com>
12630 * loop.h (loop_insn_hoist): New prototype.
12631 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
12632 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
12633 (check_dbra_loop, load_mems): Likewise.
12634 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
12635 (find_splittable_givs): Likewise.
12637 2001-01-07 Michael Hayes <mhayes@redhat.com>
12639 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
12641 2001-01-07 Richard Henderson <rth@redhat.com>
12643 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
12645 2001-01-07 Richard Henderson <rth@redhat.com>
12647 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
12648 NO_SHARED_LIBGCC_MULTILIB as required for the target.
12649 * gcc.c (init_spec): Massage the existing libgcc_spec into a
12650 variant that handles a shared libgcc.
12651 (process_command): Always validate -{static,shared}-libgcc.
12652 (do_spec_1): New 'M' case.
12653 * invoke.text (Link Options): Document -{static,shared}-libgcc.
12655 2001-01-07 Richard Henderson <rth@redhat.com>
12657 * Makefile.in (slibdir): New variable.
12658 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
12659 (installdirs): Create slibdir.
12660 (install-libgcc, install-multilib): Defer to libgcc.mk.
12661 * configure.in (slibdir): Substitute.
12662 * mklibgcc.in (install): New target.
12664 * config/t-linux (SHLIB_LINK): Create links for the soname.
12665 (SHLIB_INSTALL): New.
12666 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
12667 * config/mips/t-iris6 (SHLIB_INSTALL): New.
12668 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
12669 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
12670 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
12672 2001-01-07 Richard Henderson <rth@redhat.com>
12674 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
12675 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
12676 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
12678 2001-01-07 Michael Hayes <mhayes@redhat.com>
12680 * loop.c (count_loop_regs_set): Delete.
12681 (load_mems_and_recount_loop_regs_set): Delete.
12682 (loop_regs_scan): Merge common code from count_loop_regs_set,
12683 scan_loop, and load_mems_and_recount_loop_regs_set.
12684 (scan_loop): Call load_mems directly and loop_regs_scan
12685 again if new registers created.
12687 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12689 * toplev.c (main): Call the front-end specific post_options
12690 hook if one is given.
12691 * toplev.h (struct_lang_hooks, lang_hooks): New.
12692 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
12693 for the C front end.
12694 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
12695 lang_hooks for the C++ front end.
12696 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
12697 lang_hooks for the ObjC front end.
12698 * f/com.c (lang_hooks): Hooks for the Fortran front end.
12699 * java/lang.c (lang_hooks): Hooks for the Java front end.
12701 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12703 * c-lex.c (init_c_lex): Request #define / #undef callbacks
12704 for verbose DWARF[2] debugging.
12705 (cb_define, cb_undef): The new callbacks.
12706 * toplev.h (debug_define, debug_undef): Make const correct.
12707 * toplev.c (debug_define, debug_undef): Similarly. Do not
12708 perform the verbosity tests here anymore.
12710 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
12712 * reload.c (subst_reloads): Take INSN argument. When
12713 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
12714 * reload.h (subst_reloads): Adjust prototype.
12715 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
12716 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
12717 present in JUMP_INSNs and copy them to JUMP_LABEL.
12718 * flow.c (find_label_refs, find_basic_blocks_1): Skip
12719 JUMP_INSNs and insns with REG_LABELs that are followed by
12720 JUMP_INSNs with the same REG_LABEL.
12721 * sched-rgn.c (is_cfg_nonregular): Likewise.
12722 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
12724 * unroll.c (unroll_loop): Look for REG_LABEL notes in
12726 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
12728 2001-01-06 Richard Henderson <rth@redhat.com>
12730 * loop.c (scan_loop): Use xcalloc for the regs array.
12731 (load_mems_and_recount_loop_regs_set): Zero the new memory
12732 received from xrealloc.
12734 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
12736 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
12738 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
12740 * integrate.c (copy_rtx_and_substitute): When copying
12741 an ignored return value, strip REG_FUNCTION_VALUE_P.
12743 2001-01-06 Michael Hayes <mhayes@redhat.com>
12745 * loop.c (debug_biv, debug_giv): New.
12746 (loop_biv_dump): Break out from ...
12747 (record_biv): ... here.
12748 (loop_giv_dump): Break out from ...
12749 (record_giv): ... here.
12750 (loop_bivs_check): Use print_simple_rtl.
12751 * unroll.c (loop_iterations): Use print_simple_rtl.
12753 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
12755 * pa.md (return, return_internal): Modify patterns to prevent regrename
12756 mucking with the return pointer.
12758 2001-01-05 Richard Henderson <rth@redhat.com>
12760 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
12762 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
12764 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
12765 version supplied by Matteo Frigo.
12767 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12769 * cpp.texi: Update for -MQ.
12770 * cppinit.c (cpp_create_reader): Always create pfile->deps.
12771 (cpp_cleanup): Always free pfile->deps.
12772 (initialize_dependency_output): Don't create pfile->deps.
12773 (cpp_handle_option): Similarly.
12775 * gcc.c (cpp_options): Handle -MQ.
12776 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12777 * mkdeps.c (base_name): Remove.
12778 (deps_init): Don't allocate vector space until it's needed.
12779 (deps_free): Only free vectors if allocated.
12780 (deps_add_target, deps_add_dep): Update for initial allocation.
12781 (deps_add_default_target): Don't strip to the base_name.
12783 2001-01-05 DJ Delorie <dj@redhat.com>
12785 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
12786 (INIT_EXPANDERS): Define.
12788 * config/v850/v850.c (struct machine_function): Define.
12789 (v850_save_machine_status): New function.
12790 (v850_restore_machine_status): New function.
12791 (v850_return_addr): New function.
12792 (v850_init_expanders): New function.
12794 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
12795 and v850_init_expanders.
12797 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12799 * cpplib.h (struct cpp_reader): Add help_only field.
12800 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
12801 (cpp_handle_option): Set pfile->help_only if we see -h,
12802 --help, -target-help, or --version. Print version string but
12803 do not set help_only if we see -v or -version. Make text
12804 printed by -v match that printed by (-)-version.
12806 * cppmain.c (main): Exit after option parsing if
12807 pfile->help_only is true.
12809 * toplev.c (independent_decode_option): Call print_version,
12810 then exit, if we see --version (but not -version).
12811 (print_version): Split lengthy message into two lines.
12813 2001-01-05 Nick Clifton <nickc@redhat.com>
12815 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
12816 temporary string for initialisation before calling ggc_alloc_string.
12818 2001-01-06 Michael Hayes <mhayes@redhat.com>
12820 * rtl.h (print_simple_rtl): New.
12821 * print-rtl.c (print_simple_rtl): New.
12822 (flag_simple): New.
12823 (print_rtx): Disable printing of flags and modes, etc.,
12824 if `flag_simple` nonzero.
12826 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12828 * function.c (fixup_var_refs): Use push_to_full_sequence where
12831 2001-01-05 Michael Meissner <meissner@redhat.com>
12833 * flags.h (flag_reorder_blocks): Add declaration.
12834 (flag_rename_block): Ditto.
12836 2001-01-05 DJ Delorie <dj@redhat.com>
12838 * function.c (reorder_blocks): Make sure the flags are all reset
12839 before using them to mark blocks, else a second invocation will
12840 corrupt the block chain.
12841 (reorder_blocks_0): New, resets the flags.
12843 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
12845 * cse.c (find_comparison_args): Stop if the argument is known to
12848 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12850 * config/sh/sh.md (movdf): When splitting load into pair of
12851 registers, don't clobber the register used in the address too
12854 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
12856 * varasm.c (mark_constant_pool): Improve initial comments.
12857 (mark_constants): Move marking of constants to mark_constant.
12858 (mark_constant): New function to recursively mark all constants
12859 referred to by a constant.
12861 2001-01-05 Catherine Moore <clm@redhat.com>
12863 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
12865 2001-01-05 Phil Edwards <pme@sources.redhat.com>
12867 * cp/lang-options.h: Bring comment in line with reality.
12868 * f/lang-options.h: Likewise.
12869 * java/lang-options.h: Likewise.
12870 * objc/lang-options.h: Likewise.
12871 * ch/lang-options.h: Likewise.
12872 * f/g77.texi: And update the manual.
12874 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
12875 Denis Chertykov <denisc@overta.ru>
12877 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
12878 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
12879 * config/avr/avr.md (all peepholes that request a scratch register):
12880 Call it, FAIL the peephole if not safe (in interrupt functions).
12882 2001-01-05 Mark Mitchell <mark@codesourcery.com>
12884 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
12886 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
12888 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
12890 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
12891 BUILT_IN_CREAL and BUILT_IN_CIMAG.
12892 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
12893 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
12894 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
12896 * extend.texi: Document these builtins.
12898 2001-01-05 Daniel Berlin <dberlin@redhat.com>
12900 * c-common.c (lang_get_alias_set): Say we know nothing of
12901 VECTOR_TYPE aliasing.
12903 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
12905 2001-01-05 Bruce Korb <bkorb@gnu.org>
12907 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
12908 their x* equivalent versions for atexit-less systems
12909 * fixinc/fixincl.c(main): do not return from main() on atexit-less
12910 systems (or any other system any more).
12912 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
12914 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
12915 output operands. Use arm_hard_register_operand for operand 4.
12916 (stmsi_postinc): Similarly.
12917 (ldmsi): Use arm_hard_register_operand for opernand 2.
12918 (stmsi): Similarly.
12919 * arm.c (arm_hard_register_operand): New function.
12920 * arm-protos.h (arm_hard_register_operand): Prototype it.
12922 * arm.h (HARD_REGNO_RENAME_OK): Define.
12924 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
12926 * simplify-rtx.c (cfc_args): add "unordered" field.
12927 (check_fold_consts): Set unordered field.
12928 (simplify_relational_operation): Simplify the unordered
12931 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
12934 * emit-rtl.c (try_split): Fix code to mark labels.
12935 * jump.c (mark_jump_label): Make global.
12936 * rtl.h (mark_jump_label): Declare.
12938 * predict.c (estimate_probability): Handle unordred comparisons.
12940 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12942 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
12943 * cppinit.c (initialize_dependency_output): Update.
12944 (cpp_finish): Output dummy targets for -MP.
12946 (cpp_handle_option): Handle -MP. Don't quote -MT options.
12947 * cpplib.h (struct cpp_options): Add deps_phony_targets.
12948 * gcc.c (cpp_options): Update to handle -MP.
12949 * mkdeps.c (deps_add_target, deps_add_default_target): Update
12950 to quote only the default target.
12951 (deps_phony_targets): Insert a preceding newline. Rename from
12952 deps_dummy_targets for consistency.
12955 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12957 * calls.c (emit_library_call_value_1): Support
12958 INIT_CUMULATIVE_LIBCALL_ARGS.
12959 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
12961 2001-01-04 Richard Henderson <rth@redhat.com>
12963 * c-decl.c (finish_struct): Detect flexible array members
12964 used in an inappropriate context.
12965 * c-typeck.c (really_start_incremental_init): Special case
12966 constructor_max_index for zero length arrays.
12967 (pop_init_level): Allow initialization of flexible array
12968 members. Deprecate initialization of zero length arrays.
12969 Don't issue missing initializer warning for flexible array
12970 members or zero length arrays.
12971 (process_init_element): Don't dereference null DECL_SIZE.
12972 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
12973 Don't abort for empty constructors. Use size_binop
12974 (output_constructor): Add commentary regarding zero length
12975 array futures. Abort if we try to initialize an array of
12976 unspecified length with a non-empty constructor in the middle
12979 * extend.texi (Zero Length): Update and clarify documentation
12980 on static initialization.
12982 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12984 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
12985 with more than 32767 words of local storage.
12987 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12989 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
12990 for 'abs', 'labs', and 'fabs'.
12991 (c4x_expand_builtin): Likewise.
12992 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
12994 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12996 * config/sh/sh.md (prget, prset): New insn types.
12997 (return delay slot): Dont' allow prset.
12998 (call, sfunc delay slot): Don't allow prget.
12999 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
13000 for prset and prget.
13002 2001-01-05 Michael Hayes <mhayes@redhat.com>
13004 * loop.h (struct loop_reg): New.
13005 (struct loop_regs): Change to use array of `struct loop_reg'.
13006 * loop.c: Replace assortment of varrays with single regs array.
13007 (count_one_set): Delete may_not_move array argument
13008 and use regs array instead. All caller's changed.
13009 (count_loop_regs_set): Delete may_not_move and single_usage
13010 arguments and use regs array instead. All caller's changed.
13011 (find_single_use_in_loop): Replace usage array argument with pointer
13012 to regs structure. All caller's changed.
13013 (loop_optimize): Delete `moved_once' array.
13015 2001-01-05 Michael Hayes <mhayes@redhat.com>
13017 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
13018 Use it instead of loop_info->has_call for scanning loop mems.
13019 (check_dbra_loop): Replace loop_info->has_call test with
13020 loop_info->has_nonconst_call.
13022 2000-01-04 Matthew Hiller <hiller@redhat.com>
13024 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
13027 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13029 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
13030 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
13032 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13034 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
13035 (flag_short_double, flag_short_wchar): Define.
13036 (c_common_nodes_and_builtins): Create many tree nodes shared
13037 between C and C++ here instead of in cp/decl.c and ...
13038 * c-decl.c (init_decl_processing): ... here.
13039 (SIZE_TYPE, WCHAR_TYPE): Don't define.
13040 (flag_short_double, flag_short_wchar): Don't define.
13041 (record_builtin_type): New function.
13042 (build_void_list_node): New function.
13043 * c-common.h (flag_short_double, flag_short_wchar,
13044 record_builtin_type, build_void_list_node): Declare.
13046 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
13048 * integrate.c (expand_inline_function): Don't put a virtual
13049 register into the reg map.
13051 * function.c (fixup_var_refs_1): If force_operand didn't put
13052 the address into the target, move it there.
13054 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13056 Special-case tree_decl/tree_list allocations.
13057 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
13058 (OBJECT_SIZE): New macro.
13059 (NUM_EXTRA_ORDER): Likewise.
13060 (extra_order_size_table): New variable.
13061 (NUM_ORDERS): New macro.
13062 (objects_per_page_table): New variable.
13063 (object_size_table): New variable.
13064 (G.pages): Use NUM_ORDERS to bound the array.
13065 (G.page_tails): Likewise.
13066 (DIV_ROUND_UP): Remove.
13067 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
13068 (alloc_page): Use OBJECT_SIZE.
13069 (size_lookup): Don't make it const.
13070 (ggc_alloc): Use OBJECT_SIZE.
13071 (ggc_set_mark): Likewise.
13072 (ggc_get_size): Likewise.
13073 (init_ggc): Set up the object_size_table, objects_per_page_table,
13074 and adjust size_lookup.
13075 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
13076 (ggc_pop_context): Use NUM_ORDERS.
13077 (clear_marks): Likewise.
13078 (sweep_pages): Likewise.
13079 (poison_pages): Likewise.
13080 (ggc_print_statistics): Use OBJECT_SIZE.
13082 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13084 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
13085 Only call array_size_for_constructor if last field and array type
13086 with no upper bound.
13088 2001-01-04 Philip Blundell <philb@gnu.org>
13090 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
13091 from bit 31 downwards, if this requires no more insns.
13092 (count_insns_for_constant): New helper function for above.
13094 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
13096 * gencodes.c (output_predicate_decls): Remove empty initializer.
13098 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13100 * tree.c (copy_node): Remove documentation about obstacks.
13101 (buidl1): Check that nobody tries to build 2-argument nodes this
13104 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13106 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
13109 * gencodes.c (output_predicate_decls): Fill empty initializer
13112 2001-01-04 Jakub Jelinek <jakub@redhat.com>
13114 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
13115 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
13117 (do_include): Handle missing headers like cpp0.
13118 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
13119 paths with first include pathname. Don't strcat to uninitialized
13122 2001-01-04 Bernd Schmidt <bernds@redhat.com>
13124 * regrename.c (regrename_optimize): Don't rename from frame pointer
13125 if frame_pointer_needed.
13126 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
13127 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
13128 (ia64_reorg): Use it instead of scheduling if ! optimize.
13129 (errata_emit_nops): Properly call asm_noperands.
13130 (ia64_sched_reorder): Finish cycle if we see an asm.
13131 (ia64_variable_issue): Clear scheduling state after asms.
13133 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
13135 * cpp.texi: Update for -MT.
13136 * cppinit.c (initialize_dependency_output): Add a default
13137 target if none has been given already.
13138 (no_tgt, OPT_MT): New.
13139 (cpp_handle_option): Handle -MT. Update -M etc.
13140 * cpplib.h (struct cpp_options): Remove deps_target.
13141 * gcc.c (cpp_options): Handle -MT.
13142 * mkdeps.c (struct deps): Move from mkdeps.h.
13143 (deps_calc_target): Rename deps_add_default_target. Add a
13144 default target if none has been specified already.
13145 * mkdeps.h (struct deps): Move to mkdeps.c.
13146 (deps_calc_target): Rename deps_add_default_target.
13148 2000-01-03 Richard Henderson <rth@redhat.com>
13150 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
13152 * c-typeck.c (push_init_level): Move checks for flexible array
13153 members and zero length arrays ...
13154 (pop_init_level): ... here. Silently discard empty initializations.
13156 * varasm.c (output_constructor): Update for sizeof change to
13157 zero-length arrays.
13159 * extend.texi (Zero Length): Clarify semantics.
13161 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13163 * configure.in (tm.h): Include isns-codes.h last.
13164 * configure: Rebuilt.
13166 2001-01-03 Richard Henderson <rth@redhat.com>
13168 * config/alpha/alpha.md (addvsi3, addvdi3): New.
13169 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
13171 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13173 * tradcpp.c (main): Make sure finclude() is called with a valid
13174 indepth value while handling -include.
13176 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13178 * gencodes.c (output_predicate_decls): New function.
13180 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
13181 even if it is not the first time machmode.h is #included.
13182 * config/sh/sh.c (fpul_operand): Declare MODE argument.
13183 * tm.texi (PREDICATE_CODES): Document predicate declarations.
13184 * gcc.texi (Copyright): Added 2001.
13186 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13188 * c-common.c (c_common_lang_init): New function. Warn if format
13189 warning options which only have effects when used with -Wformat
13190 are used without -Wformat.
13191 * c-common.h (c_common_lang_init): Declare.
13192 * c-lang.c (lang_init): Call c_common_lang_init.
13193 * objc/objc-act.c (lang_init): Call c_common_lang_init.
13195 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13197 * configure.in: Check for the mktemp command.
13198 * configure: Regenerate.
13199 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
13200 $TEMP. Create temporary files with mktemp, if available at
13201 configure time; otherwise use set -C. Remove temporary files
13204 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13206 * configure.in: Require at least texinfo 4.0. Check for whether
13207 Pod::Man is sufficiently recent to regenerate GCC manpages.
13208 * configure: Regenerate.
13209 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
13211 (GENERATED_MANPAGES): Define.
13212 (generated-manpages): New target. Depend on cpp.1 as well as
13214 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
13215 configure to generated-manpages or empty) rather than on the
13216 manpages directly. Remove execute permission from installed
13217 gcov.1 as well as cpp.1.
13218 * cpp.1, gcov.1: Regenerate.
13220 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13222 * builtins.c (expand_builtin_strncmp): Use host_integerp and
13223 tree_low_cst. Allow using cmpstrsi in more cases.
13225 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13227 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
13230 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
13232 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
13233 * Makefile.in (HOST_CFLAGS): Mention build-make.
13235 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13237 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
13240 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13242 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
13245 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
13248 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
13249 reg_base_value and reg_known_value arrays.
13250 (init_alias_analysis): Add more cases to detect known values.
13251 * sched-deps.c (deps_may_trap_p): New function.
13252 (sched_analyze_2): Use it.
13254 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13256 * combine.c (simplify_shift_const): Even if we're sign-extracting,
13257 don't discard an ASHIFTRT if we're shifting in a wider mode.
13259 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
13261 * toplev.c (rest_of_compilation): Don't print basic block information
13262 when CFG isn't up to date.
13264 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
13266 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
13267 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
13268 (UNALIGNED_SHORT_ASM_OP): Define.
13269 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
13271 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13273 * fold-const.c (fold_convert): Fix typo.
13275 2001-01-02 Richard Henderson <rth@redhat.com>
13277 * c-common.h (ASM_INPUT_P): New.
13278 * c-parse.in (asm): Set it when needed.
13279 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
13280 existance of an operand.
13282 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
13284 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
13285 (dwarf2out_frame_debug_expr): Likewise.
13286 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
13288 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
13290 * i386.c (ix86_split_to_parts): Return number of part required;
13292 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
13294 (ix86_split_long_move): Use number of part returned
13295 by ix86_split_to_parts
13296 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
13298 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
13299 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
13300 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
13301 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
13302 (ALIGN_MODE_128): Add TFmode.
13303 (IS_STACK_MODE): Likewise.
13304 (HARD_REGNO_NREGS): TFmode needs 3 registers.
13305 (HARD_REGNO_OK): Support TFmodes.
13306 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
13307 * i386.md (scheduler definitions): Use memory operand to determine
13308 fst/fld instructions; use mode attribute to determine real mode of
13310 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
13311 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
13313 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13315 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
13317 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13319 * expr.c (store_constructor_field): Update ALIGN before calling
13322 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13324 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
13327 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13329 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
13332 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13334 * c-decl.c (start_function): Don't warn on third parameter to main.
13336 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13338 * tsystem.h: Define HAVE_DECL_GETOPT.
13340 2001-01-02 Philip Blundell <pb@futuretv.com>
13342 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
13345 2001-01-02 Richard Henderson <rth@redhat.com>
13347 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
13349 2001-01-02 Andreas Jaeger <aj@suse.de>
13351 * c-decl.c (c_decode_option): Remove support of
13352 -Wmissing-noreturn.
13354 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
13355 (W_options): Add -Wmissing-noreturn here.
13357 * flow.c: Define lang_missing_noreturn_ok_p.
13358 (check_function_return_warnings): Use it.
13360 * c-common.h: Declare lang_missing_noreturn_ok_p.
13362 * c-lang.c (c_missing_noreturn_ok_p): New function.
13363 (lang_init): Set lang_missing_noreturn_ok_p.
13365 * invoke.texi (Warning Options): Document this.
13367 2000-12-27 Phil Edwards <pme@sources.redhat.com>
13369 * extend.texi (C++ Extensions): New node for C++ attributes;
13370 describe init_priority and com_interface.
13371 * invoke.texi: Remove -finit-priority as it now has zero effect.
13372 * install.texi: Fix xref syntax.
13373 * md.texi: Likewise.
13375 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13377 * config.gcc (sparc64-wrs-vxworks*): New case.
13378 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
13380 * config/sparc/sparc.c (sparc_override_options): Do support different
13381 pointer and architecture size.
13382 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
13383 (POINTERS_EXTEND_UNSIGNED): Define.
13384 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
13385 (FUNCTION_MODE): Define to be Pmode.
13386 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
13388 * function.c (expand_function_end): Properly handle DECL_RESULT
13389 and copy when ptr_mode != Pmode.
13390 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
13392 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13394 * c-common.c (c_common_nodes_and_builtins): Set prototype
13395 parameters for __builtin_fputs, __builtin_fputc and
13396 __builtin_fwrite. Don't declare plain fputc as a builtin.
13398 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
13400 * loop.c (add_label_notes): Increment the label usage count when
13401 a note is added to an insn which refers to a CODE_LABEL.
13402 * gcse.c (add_label_notes): Likewise.
13404 2001-01-01 Andreas Jaeger <aj@suse.de>
13406 * loop.c (scan_loop): Use xmalloc to allocate movables.
13408 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
13410 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
13411 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
13412 * reload1.c (REGISTER_MOVE_COST): Likewise.
13413 * regclass.c (REGISTER_MOVE_COST): Likewise.
13414 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
13415 dimension. Adjust all users.
13416 (init_reg_sets_1): Iterate on all modes.
13417 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
13418 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
13419 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
13420 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
13421 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
13422 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
13423 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
13424 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
13425 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
13426 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
13427 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
13428 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
13429 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
13430 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
13431 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
13432 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
13433 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
13434 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
13435 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
13436 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
13437 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
13438 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
13439 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
13440 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
13441 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
13442 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
13443 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
13445 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13447 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
13448 arg VARIES_P. Call it with extra arg.
13449 (true_dependence): Likewise.
13450 * rtl.h (rtx_addr_can_trap_p): Declare.
13451 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
13453 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
13454 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
13455 pic offset table register if it's zero. All callers changed.
13456 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
13458 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13460 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
13461 STRING_POOL_ADDRESS_P.
13463 * config/sparc/sparc.c (input_operand): Properly test for short op.
13465 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
13466 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
13467 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
13468 * config/sparc/elf.h: No longer include sol2.h.
13469 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
13470 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
13472 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
13474 2001-01-01 Michael Hayes <mhayes@redhat.com>
13476 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
13477 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
13478 (record_initial): Likewise.
13479 * unroll.c (copy_loop_body, loop_iterations): Likewise.
13480 (remap_split_bivs): Likewise.
13482 2001-01-01 Michael Hayes <mhayes@redhat.com>
13484 * loop.c (loop_ivs_free): New function.
13485 (strength_reduce): Break out from...
13487 2001-01-01 Michael Hayes <mhayes@redhat.com>
13489 * loop.h (struct iv): New.
13490 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
13491 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
13492 'reg_biv_class' fields with 'regs' and 'n_regs'.
13493 (struct ivs): Rename 'loop_iv_list' field to 'list'.
13494 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
13495 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
13497 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
13499 * resource.c (mark_referenced_resources): Abort() before
13500 attempting to mark a pseudo register.
13501 (mark_set_resources): Likewise.
13503 2001-01-01 Michael Hayes <mhayes@redhat.com>
13505 * loop.h (REG_IV_CLASS): New accessor macro.
13506 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
13507 * unroll.c (REG_IV_CLASS): Likewise.
13509 See ChangeLog.4 for earlier changes.