1 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3 * predict.c (predict_insn, predict_edge): New static functions.
4 (estimate_probability): Revamp to use new functions;
5 fix loop header heruistics; add loop exist heruistics
7 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
9 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
11 2001-06-09 Peter Jakubek <pjak@snafu.de>
13 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
15 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
17 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
18 for integer operations that don't update C bit.
20 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
22 * gthr-posix.h (__gthread_objc_init_thread_system): If
23 pthread_key_create fails, it's not clear what the return value is.
24 This obvious fix makes sure it always returns -1 if a problem
27 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
29 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
30 more index entries. Use more logical markup where appropriate.
31 Use TeX quotes and dashes.
33 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
35 * unwind-pe.h: Conditionally qualify references to abort with
38 2001-06-09 Julian Foad <julian_foad@hotmail.com>
40 * doc/invoke.texi: Remove superfluous text.
42 2001-06-08 Richard Henderson <rth@redhat.com>
44 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
45 (LIB_SPEC): Mirror config/linux.h version.
47 2001-06-08 Richard Henderson <rth@redhat.com>
49 * except.c (get_exception_pointer, get_exception_filter): Take a
50 struct function. Update all callers.
51 * except.h (get_exception_pointer): Update declaration.
52 * expr.c (expand_expr): Update get_exception_pointer call.
53 * integrate.c (expand_inline_function): Remap the exception pointer
54 from callee to caller.
56 2001-06-08 Mark Mitchell <mark@codesourcery.com>
58 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
59 accurately reflect its cv-qualification.
60 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
61 cv-qualifiers on function types.
63 2001-06-08 Mark Mitchell <mark@codesourcery.com>
65 * basic-block.h: Improve comments.
66 * except.c (expand_eh_region_end_allowed): Remove redundant call
67 to do_pending_stack_adjust.
68 * flow.c (life_analysis): Fix typo in comment.
69 (calculate_global_regs_live): Add documentation.
70 (mark_set_1): Likewise.
71 (debug_regset): Likewise.
72 * doc/rtl.texi (cond_exec): Document it.
74 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
76 * i386.h (CONST_COSTS): set cost of constants representable in
77 immediate fields to 0.
79 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
81 * function.c (diddle_return_value): Kill code to determine
82 return value before expand_function_end.
83 (expand_function_end): Delay call to clobber_return_register
84 after fucntion return value is computed.
86 Re-install temporary reverted patch:
87 * toplev.c (rest_of_compilation): Call split_all_insns
88 before reg-stack and shorten-branches. Do shorten-branches
90 * final.c (shorten_branches): Remove insn splitting code.
92 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
94 * doc/gcc.texi, doc/invoke.texi: Add index of command line
95 options. Use @opindex to index them rather than other indexing
96 commands. Use @var{...} instead of <...>. Avoid spaces in names
97 inside @var. Don't use @kindex to index escape sequences in
100 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
102 * stmt.c (current_nesting_level): New fn.
103 * tree.h: Declare it.
104 * c-semantics.c (genrtl_compound_stmt): Use it.
106 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
108 2001-06-08 Jakub Jelinek <jakub@redhat.com>
110 * jump.c (mark_modified_reg): Allow jump threading if condition
111 codes are represented by a hard register.
113 2001-06-08 Jakub Jelinek <jakub@redhat.com>
115 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
116 for complex floats passed to unprototyped functions.
118 2001-06-08 Mark Mitchell <mark@codesourcery.com>
120 * except.c (expand_eh_region_end_allowed): Call
121 do_pending_stack_adjust as necessary.
123 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
125 * function.c (clobber_return_register): Clobber the pseudo return
128 * sibcall.c (skip_unreturned_value): New function.
129 (call_ends_block_p): Use it.
131 * recog.c (split_insn): Break out from ...
132 (split_all_insns): ... here; do not use basic block information
135 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
137 * simplify-rtx.c (simplify_subreg): Fix verification of
140 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
142 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
143 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
144 Move definition of _LANGUAGE_C_PLUS_PLUS ...
145 (CPLUSPLUS_CPP_SPEC): ... here.
146 Fixes PRs c++/3047, target/441.
148 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
150 * doc/install.texi2html (MAKEINFO): Keep value if set already.
152 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
154 * doc/gcc.texi: Add trailing slash to URL.
156 2001-06-07 Stan Shebs <shebs@apple.com>
158 * config/darwin.h (ENCODE_SECTION_INFO): Define.
159 (REDO_SECTION_INFO_P): Ditto.
160 (STRIP_NAME_ENCODING): Ditto.
161 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
162 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
163 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
164 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
165 * config/darwin.c: No longer include c-tree.h.
166 (machopic_classify_ident): Rewrite to use symbol encoding.
167 (lookup_name_darwin): Remove.
168 (machopic_non_lazy_ptr_name): Handle encoded symbols.
169 (machopic_stub_name): Use STRIP_NAME_ENCODING.
170 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
171 (machopic_finish): Ditto, remove test of decl.
172 (update_non_lazy_ptrs): New function.
173 (darwin_encode_section_info): New function.
174 * config/darwin-protos.h: Declare it.
175 * config/rs6000/rs6000.c (machopic_output_stub): Use
178 2001-06-07 Mark Mitchell <mark@codesourcery.com>
180 * tree.h (DECL_SOURCE_FILE): Improve documentation.
181 (DECL_SOURCE_LINE): Likewise.
183 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
185 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
188 2001-06-07 Phil Edwards <pme@sources.redhat.com>
190 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
191 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
193 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
195 * doc/contrib.texi: Add copyright notice.
197 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
199 * doc/md.texi: Use four digit years in copyright notice.
201 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
203 * config.gcc: For $target_alias of athlon-*, set
204 target_cpu_default2=5.
206 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
208 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
209 end of last block if last real insn is a JUMP_INSN.
211 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
215 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
217 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
218 pthread_t to objc_thread_t.
219 (__gthread_objc_thread_id): Likewise.
221 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
223 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
224 (ASM_OLDAS_SPEC): Likewise.
226 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
227 (CPP_SUBTARGET_SPEC): Use it.
228 (ASM_OLDAS_SPEC): Define.
230 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
232 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
234 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
237 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
239 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
240 Document use of N_(...), and show it in examples. Note that
241 documentation should be added to invoke.texi. Avoid an overfull
244 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
246 * toplev.c (rest_of_compilation): Revert previous patch.
247 * final.c (shorten_branches): Likewise.
249 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
251 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
254 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
256 * doc/install-old.texi: Remove more obsolete documentation.
258 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
260 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
262 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
264 * toplev.c (rest_of_compilation): Call split_all_insns
265 before reg-stack and shorten-branches. Do shorten-branches
267 * final.c (shorten_branches): Remove insn splitting code.
269 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
271 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
272 * configure: Rebuilt.
274 2001-06-07 Andreas Jaeger <aj@suse.de>
276 * emit-rtl.c (operand_subword): Remove unused variable.
278 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
280 * i386.md (floatdi?f): Avoid usinf of SSE instructions
281 if TARGET_64BIT is false.
282 (floatdi?f_i386_only): New insn.
283 (floatdi?f_i386): Disable for !TARGET_64BIT.
285 * (min?f, max?f splitters): Handle case where
286 operands are cross-matched.
288 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
289 (MMX_REGISTER_NAMES): Kill.
290 (PRINT_OPERAND): Fix comment.
291 (PRINT_REG): Likewise.
292 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
293 (print_operand): Update comment; kill 'm'.
295 * i386.c (x86_branch_hints): New global variable
296 (print_operand): Support outputting of branch prediction hints.
297 * i386.md (conditional jump patterns): Add branch prediction hints
299 * i386.h (x86_branch_hints): Declare
300 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
301 (PRINT_OPERAND_FUNCT_VALID_P): New.
302 * final.c (final_forward_branch_p): New function.
304 2001-06-06 Richard Henderson <rth@redhat.com>
306 * flow.c (mark_used_reg): Clean up looping over multiple hard
307 registers. Do conditional life bits across multiple hard regs.
309 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
311 * reload1.c (reload): Revert Schmidt's change so all USEs are not
312 deleted during reload.
314 2001-06-05 Mark Mitchell <mark@codesourcery.com>
316 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
317 functions here, instead of ...
318 * c-decl.c (c_expand_body): ... here.
320 2001-06-05 David O'Brien <obrien@FreeBSD.org>
322 * config.gcc, config/sparc/bsd.h: Do not directly include
323 sparc/sparc.h. Instead do it via tm_file.
325 2001-06-05 Richard Henderson <rth@redhat.com>
327 * dwarf2.h (DW_EH_PE_aligned): New.
328 * dwarf2asm.c (eh_data_format_name): Name it.
329 (dw2_asm_output_encoded_addr_rtx): Align for it.
330 * dwarf2out.c (output_call_frame_info): Handle it for personality
331 routine and LSDA pointers.
333 * unwind-pe.h (DW_EH_PE_aligned): New.
334 (base_of_encoded_value): Handle it.
335 (read_encoded_value_with_base): Likewise.
336 * unwind-dw2-fde.c (base_from_object): Likewise.
337 (get_cie_encoding): Likewise.
339 * config/alpha/elf.h: Remove ecoff commentary.
340 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
342 2001-06-05 David O'Brien <obrien@FreeBSD.org>
344 * config.gcc, config/i386/bsd386.h: Do not directly include
345 i386/386bsd.h. Instead do it via tm_file.
347 2001-06-05 David O'Brien <obrien@FreeBSD.org>
349 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
352 2001-06-05 Pascal Obry <obry@act-europe.fr>
354 * configure.in: Quote $enable_win32_registry in case the value has
358 2001-06-05 Mark Mitchell <mark@codesourcery.com>
360 * print-rtl.c (xspaces): Remove.
361 (print_rtx): Use printf field-width, rather than xpsaces, to
363 * toplev.c (main): Disable sibling-call optimization if we are
366 2001-06-05 Bernd Schmidt <bernds@redhat.com>
368 * reload1.c (reload): Delete all USEs generated during reload.
370 2001-06-05 scott snyder <snyder@fnal.gov>
372 * gccbug.in: Fix typo.
374 2001-06-05 Andreas Jaeger <aj@suse.de>
376 * builtins.def: Fix definition of __builtin_cosf, it uses float as
377 parameter and return value.
379 2001-06-04 Anthony Green <green@redhat.com>
381 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
382 machine. This is now done in sparc.h.
384 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
386 Correct CVS resurrection of invoke.texi.
387 * doc/invoke.texi: Document new tree dump flags.
389 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
391 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
392 for casting an aggregate to its own type. Fixes PR c/2735.
394 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
396 * doc/texinfo.tex: Update to version 2001-05-24.08.
398 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
400 * c-common.h (flag_dump_translation_unit): Remove.
401 (enum tree_dump_index): Define.
402 (TDF_ADDRESS, TDF_SLIM): New #defines.
403 (dump_node_to_file): Remove.
404 (dump_node): Make extern. Add flags.
405 (dump_flag, dump_enabled_p, dump_begin, dump_end,
406 dump_switch_p): Prototype.
407 * c-common.c (flag_dump_translation_unit): Remove.
408 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
409 logic. Use dump_switch_p.
410 * c-dump.h (struct dump_info): Add node and user fields.
411 (dump_pointer): Declare.
412 * c-dump.c (dump_node): Make extern. Add flags.
413 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
414 (dump_new_line, dump_maybe_newline): Use them.
415 (dump_pointer): New function.
416 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
417 chain or function's body. Dump address, if TDF_ADDRESS set.
419 (dump_node_to_file): Remove.
420 (struct dump_file_info): New struct.
421 (dump_files): New array.
422 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
423 * c-lang.c (finish_file): Adjust dumping.
424 * toplev.h (dump_base_name): Make extern.
425 * invoke.texi: Document new flags.
427 2001-06-04 Mark Mitchell <mark@codesourcery.com>
429 * c-tree.h (lang_decl): Add pending_sizes fields.
430 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
432 (c_expand_body): Expand them.
433 (lang_mark_tree): Mark lang_decl:pending_sizes.
434 * function.c (expand_pending_sizes): New function, broken out
436 (expand_function_start): ... here.
437 * tree.h (expand_pending_sizes): Declare it.
439 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
441 * doc/install.texi: Update FreeBSD information. Generalize
442 and update information for alpha-based platforms using ELF.
444 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
446 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
447 (store_parm_decls): Likewise.
448 * c-typeck.c (convert_arguments): Likewise.
450 2001-06-04 Richard Henderson <rth@redhat.com>
452 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
453 optimization if current_function_calls_setjmp.
455 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
457 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
460 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
462 * simplify-rtx.c (simplify_subreg): Fix combining of
465 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
467 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
468 (no_labels_between_p): Short circuit case beg==end.
470 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
472 * rtlanal.c (operand_preference): Fix preference for objects.
474 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
476 * gcse.c (handle_avail_expr): Be prepared to handle single_set
479 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
481 * combine.c (if_then_else_cond): Use simplify_subreg instead
483 * integreate.c (sub_constants): Likewise.
485 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
487 * emit-rtl.c (constant_subword): Deprecate; remove most of code
488 and use simplify_gen_subreg.
490 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
492 * sibcall.c (skip_copy_to_return_value): recognize the situation
493 when the called function's return value is copied into an
494 intermediate pseudo, and then into the calling functions return
497 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
499 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
500 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
501 in case register wasn't OK previously, accept it now; allow
502 subregs of frame pointer if reload completed and frame pointer
505 * combine.c (sombine_simplify_rtx): Fix comment;
506 use subreg_lowpart_offset instead of subreg_lowpart_p
507 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
508 * rtl.h (subreg_lowpart_parts_p): Kill.
509 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
510 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
511 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
512 (gen_lowpart_common): Likewise.
513 (subreg_lowpart_p): Likewise.
514 (subreg_lowpart_parts_p): Kill.
515 (subreg_lowpart_offset, subreg_highpart_offset): New function.
517 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
518 to simplify SUBREG and REG.
519 (gen_highpart): Use simplify_gen_subreg for all simplifications.
521 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
524 * rtlanal.c (replace_regs): Use simplify_gen_subreg
526 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
528 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
529 (ARRAY_RANGE_REF): Added description.
531 * tree.def (ARRAY_RANGE_REF): New code.
532 * alias.c (handled_component_p, can_address_p): Handle it.
533 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
534 * explow.c (set_mem_attributes): Likewise.
535 * expr.c (expand_assignment, get_inner_reference): Likewise.
536 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
537 * fold-const.c (operand_equal_p): Likewise.
538 * tree.c (staticp, stabilize_reference): Likewise.
539 * varasm.c (decode_addr_const): Likewise.
541 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
543 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
544 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
546 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
548 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
549 mark_constant_pool_use before output_addr_const.
550 (struct pool_node): New field wend.
551 (add_constant): Note a sequence of constants that are referenced
553 (pool_window_label, pool_window_last): New variables.
554 (dump_table): Emit a unspec_volatile representing the end of a
555 sequence of constants.
556 (mark_constant_pool_use): New function.
557 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
558 (consttable_2): Add the second operand which flags whether
559 this consttable entry was used or not.
560 (consttable_4, consttable_8, consttable_sf, consttable_df):
562 (consttable_window_end): New insn.
564 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
566 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
567 Reformat according to coding standards.
570 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
571 (shl_and_kind): Cast wide constant.
572 (gen_far_branch): Define as static, as in declaration.
573 (barrier_align): Compute cache-line length as unsigned. Add
574 parentheses in initial credit computation.
575 (rounded_frame_size): Add parentheses.
576 (permanent_obstack): Remove declaration. Include ggc.h for
577 declaration of ggc_add_root_rtx().
578 (get_free_reg): Removed declaration of unused variable reg.
579 (legitimize_pic_address): Mark mode argument as unused.
581 2001-06-03 Igor Shevlyakov <igor@windriver.com>
583 * config/sh/sh.c (output_branch): Support for insn with lenght
584 attr 12 & 16 which represents cond branches outside +-4096 range.
586 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
588 * config/sh/lib1funcs.asm (ic_invalidate): Align the
589 cache-mirroring sequence. Add nops.
591 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
593 * doc/install-old.texi: Remove more old installation
595 * doc/install.texi: Add relevant parts here.
597 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
599 * doc/install.texi2html: New script.
601 2001-06-03 David Edelsohn <edelsohn@gnu.org>
603 * doc/install.texi: Update AIX information again.
605 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
607 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
608 installation documentation.
609 * doc/install.texi: Move it to here.
611 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
613 * doc/install.texi: Clean up Texinfo markup.
615 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
617 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
618 to just after title page.
620 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
622 * doc/install-old.texi: Remove documentation of some configuration
624 * doc/install.texi: Add relevant parts of this documentation here.
626 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
628 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
629 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
631 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
633 * i386.md (all uses of ext_register_operand): Make sure they are
634 VOIDmode; replace all uses outside zero_extend.
635 (and?i splitters): Use ext_register_operands.
636 (test?i peep2): Remove ignored constraints.
637 * i386.c (ext_register_operand): Check that operand is
638 eighter pseudo or hard or 'Q' register.
640 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
642 * tree.h (struct record_layout_info_s): New field unpadded_align.
643 (set_lang_adjust_rli): New declaration.
644 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
645 it would have if not packed, do not downgrade DECL_ALIGN.
646 (lang_adjust_rli, set_lang_adjust_rli): New.
647 (start_record_layout): Initialize new field unpadded_align.
648 (debug_rli): Display it.
649 (place_union_field, place_field): Set it.
650 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
652 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
653 mean that; use proper names instead.
654 Print DECL_NO_STATIC_CHAIN.
656 * except.c (expand_builtin_frob_return_addr): Add missing call
657 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
658 (expand_builtin_eh_return): Likewise.
659 (expand_eh_return): Clean up ptr_mode != Pmode cases.
661 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
663 * doc/invoke.texi: Remove references to papers about sequence points
664 to readings.html, refer to that page.
666 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
668 * README: Update references to installation instructions.
670 2001-06-01 Laurent Guerby <guerby@acm.org>
671 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
673 * doc/install.texi: Define srcdir when sources come from CVS.
674 Significantly improve markup. Wrap overly long lines
676 2001-06-01 DJ Delorie <dj@redhat.com>
678 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
679 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
680 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
681 gcov.1: Move to doc subdirectory.
682 * install.texi: Move to doc/install-old.texi.
683 * gcc.texi: Move to doc, refer to install-old.texi.
684 * Makefile.in: Reflect move of docs to doc/.
685 * f/Make-lang.in: Ditto.
686 * java/Make-lang.in: Ditto.
687 * doc/.cvsignore: New.
689 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
691 * invoke.texi: use two spaces between command options, eliminate
692 some 'overfull hboxes'
694 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
696 * Makefile.in (s-mlib): Make backtick-commands always succeed.
697 (DRIVER_DEFINES): Ditto.
699 2001-05-31 Richard Henderson <rth@redhat.com>
701 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
702 also link against libgcc.a.
704 2001-05-31 Geoff Keating <geoffk@cygnus.com>
706 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
707 * config/mips/mips.c (mips_output_ascii): New function.
708 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
710 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
712 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
714 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
715 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
717 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
719 * install.texi (Configuration): Add html links for --with-gnu-as &
720 --with-gnu-ld and refer to them from hppa & SCO triplets.
721 (Specific): Link back to with-gnu-ld for all ELF platfoms.
722 (Specific): Reword AVR binutils recommendation.
724 2001-05-30 Zack Weinberg <zackw@stanford.edu>
726 * ggc-page.c (size_lookup): Increase minimum allocation size
728 (ggc_print_statistics): Report size of each bin in bytes, not
729 as its order; there is no longer a direct relationship.
731 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
733 * extend.texi: Fix formating of examples, eliminate some
735 * gcc.texi: Eliminate some 'overfull hboxes'.
736 * invoke.texi: Use two spaces between command options, eliminate
737 some 'overfull hboxes'.
739 2001-05-30 Richard Henderson <rth@redhat.com>
741 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
743 2001-05-30 Tom Tromey <tromey@redhat.com>
745 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
746 use it in the new association.
748 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
749 John David Anglin <dave@hiauly1.hia.nrc.ca>
751 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
752 to target type to allow ISO C++ compiler to accept it.
753 * gthr-dce.h (__gthread_active_ptr): Likewise.
754 * gthr-solaris.h (__gthread_active_ptr): Likewise.
756 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
758 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
759 so that we do accept comments in preprocessed input.
761 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
763 * cpphash.c (alloc_node): Cast allocated pointer.
765 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
767 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
769 2001-05-29 Stan Shebs <shebs@apple.com>
771 * gcc.texi: Add links for information about Objective-C.
773 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
775 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
776 /bin/sed fails on [^\"]).
777 (configargs.h): Likewise.
779 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
781 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
783 2001-05-28 Stan Shebs <shebs@apple.com>
785 * objc/objc.gperf: Remove, no longer used.
787 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
789 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
790 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
791 Remove trailing whitespace.
793 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
795 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
796 became http://freeware.sgi.com/.
798 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
800 * local-alloc.c (update_equiv_regs): Don't eliminate constant
803 2001-05-27 Stan Shebs <shebs@apple.com>
805 * objc/objc-act.c: Add/fix various comments.
806 (init_selector): Remove, no longer used.
807 (build_msg_pool_reference): Ditto.
810 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
812 * c-decl.c (init_decl_processing):
813 Don't call start_identifier_warnings.
814 * flags.h (warn_id_clash, id_clash_len): Remove.
815 * stringpool.c: Don't include flags.h.
816 (scan_for_clashes, do_identifier_warnings,
817 start_identifier_warnings): Remove.
818 * toplev.c (warn_id_clash, id_clash_len): Remove.
819 (display_help): Don't document -Wid-clash.
820 (decode_W_option): Print warning on -Wid-clash.
821 * tree.h (start_identifier_warnings): Remove.
822 * invoke.texi: Remove documentation of -Wid-clash.
824 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
826 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
828 2001-05-27 Bruce Korb <bkorb@gnu.org>
830 * fixinc/check.tpl(HACK) add and use a Scheme variable
831 (has no test text): error out if no "test_text" is defined
832 * fixinc/fixincl.tpl: likewise
833 (FIXIDX): make it an enumeration so we minimize diffs
834 * fixinc/inclhack.def: re-alphabetize and add sort instructions
835 * fixinc/fixincl.x: regenerate
836 * fixinc/tests/base/stdio.h: test output got moved due to
838 * README-fixinc: rewrite (mostly)
840 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
842 * cpplib.c (run_directive): Set pfile->directive.
844 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
846 * c-tree.texi: Reformat the manual as a single chapter now
847 included by gcc.texi.
848 * gcc.texi: Include c-tree.texi. Merge all indexes.
849 * Makefile.in (dvi): Add generation for the cppinternals
850 documentation. Added dependencies on fdl.texi and c-tree.texi
851 where appropriate. Use TEXI2DVI instead of custom tex calls.
852 (info): Added dependencies on fdl.texi and c-tree.texi where
853 appropriate. Remove the target c-tree.info.
855 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
857 * combine.c (try_combine): Fix typo in comment.
858 * expr.c (expand_expr): Likewise.
859 * config/i370/i370.md (untyped_call): Likewise.
861 2001-05-26 Bruce Korb <bkorb@gnu.org>
863 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
864 when fixincl is operating in test mode
865 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
866 (AAB_ultrix_limits): remove redundant text
867 (AAB_ultrix_memory): ditto
868 (AAB_ultrix_string): ditto
869 (djgpp_wchar_h): fix the test text
870 (irix_stdio_va_list): add test text
871 (irix_limits_const): add a testing output file (limits.h is overwritten)
872 (strict_ansi_not_ctd): put limits.h second in list for same reason
873 (solaris27_mutex_init): test text needed selection text, too
875 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
876 when fixincl is operating in test mode
878 2001-05-26 Philip Blundell <philb@gnu.org>
880 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
881 * config/i960/i960-protos.h: Likewise.
882 * config/i370/i370-protos.h: Likewise.
883 * config/h8300/h8300-protos.h: Likewise,
884 * config/sh/sh-protos.h: Likewise.
885 * config/v850/v850-protos.h: Likewise.
887 2001-05-26 Philip Blundell <philb@gnu.org>
889 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
891 2001-05-25 Zack Weinberg <zackw@stanford.edu>
893 * toplev.c (debug_args, f_options, W_options): Mark
894 descriptions for translation.
895 (display_help): Translate descriptions on output.
897 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
898 objc/lang-options.h: Mark descriptions for translation.
900 * aclocal.m4: Quote final argument of patsubst. Use
901 3-argument form of AC_DEFINE. Restore quotes to [] while
903 * configure.in: Remove unnecessary changequote calls.
904 * configure, config.in: Regenerate.
906 2001-05-25 Sam TH <sam@uchicago.edu>
908 * basic-block.h: Fix header include guards.
909 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
910 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
911 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
912 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
913 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
914 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
915 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
916 varray.h version.h: Likewise.
917 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
918 config/arm/arm.h config/c4x/c4x-protos.h
919 config/h8300/h8300-protos.h config/h8300/h8300.h
920 config/i370/i370-protos.h config/i370/i370.h
921 config/i960/i960-protos.h config/mcore/mcore.h
922 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
923 config/v850/v850-protos.h config/v850/v850.h: Likewise.
924 * fixinc/fixlib.h fixinc/server.h: Likewise.
926 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
928 * config/arc/initfini.c (.init): Fix typo.
930 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
932 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
934 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
936 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
938 2001-05-25 Richard Henderson <rth@redhat.com>
940 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
942 2001-05-25 Richard Henderson <rth@redhat.com>
944 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
945 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
946 (sparc*-*-solaris2): Likewise.
947 * config/t-linux: Remove shared libgcc macros.
948 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
949 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
951 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
953 * config.gcc (*-*-freebsd*): Report bad configuration.
955 2001-05-25 David Edelsohn <edelsohn@gnu.org>
957 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
959 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
961 (ASM_OUTPUT_LABELREF): Delete.
963 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
965 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
966 strict_ansi_only): Don't run if stdc_0_in_system_headers.
967 * fixinc/fixincl.x: Regenerate.
968 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
969 (FIX_TEST_TABLE): Declare it.
970 * fixinc/fixlib.h: Include config.h.
972 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
974 * fixinc/inclhack.def (alpha___assert): Change char * args to
975 const char * on Tru64 UNIX to avoid excessive warnings from
977 * fixinc/fixincl.x: Regenerate.
979 2001-05-25 Geoff Keating <geoffk@redhat.com>
981 * dbxout.c (dbxout_symbol): Invert previous patch, which was
982 outputting a tag only for variable-size records.
984 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
986 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
987 instead of rtx_equal_p for early clobber test.
989 2001-05-26 Mark Mitchell <mark@codesourcery.com>
991 * builtins.def: Encode additional information, such as names and
993 * builtin-types.def: New file.
994 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
995 (built_in_decls): Likewise. Don't explicitly initialize global
997 (expand_builtin_mathfn): Handle float and long double variants of
999 (expand_builtin): Likewise.
1000 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
1001 (expand_tree_builtin): Handle long, long long, float, and long
1002 double variants of math functions.
1003 * c-common.h (c_tree_index): Remove some unused nodes.
1004 (void_ftype): Remove.
1005 (void_type_ptr): Likewise.
1006 (int_ftype_int): Likewise.
1007 (ptr_ftype_sizetype): Likewise.
1008 * c-decl.c (init_decl_processing): Remove creation of DWARF
1010 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
1011 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
1012 * Makefile.in (c-common.o): Depend on builtin-types.def.
1014 2001-05-25 Dale Johannesen <dalej@apple.com>
1016 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
1018 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
1020 * c-parse.in (notype_initdcl): Remove redundant line.
1022 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1024 * aclocal.m4: Fixed typo.
1025 (gcc_AC_HEADER_STDBOOL): Define.
1026 (gcc_AC_C__BOOL): Define.
1027 * configure.in: Use them.
1028 (AC_CHECK_HEADERS): Remove stdbool.h
1029 * configure, config.in: Regenerate.
1031 2001-05-25 Richard Henderson <rth@redhat.com>
1033 * function.c (expand_function_start): Don't abort on PARALLEL
1034 returns from hard_function_value.
1036 2001-05-25 Richard Henderson <rth@redhat.com>
1038 * config/i386/i386.md: Revert previous change. Do not apply
1039 the peephole if the components do not die after the sequence.
1041 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
1043 * c-parse.in (array_declarator): New. Handle C99 constructs.
1044 Don't restrict [*] declarators to C only.
1045 (after_type_declarator, parm_declarator_starttypename,
1046 parm_declarator_nostarttypename, notype_declarator,
1047 direct_absdcl1): Use it.
1048 * c-decl.c (build_array_declarator, set_array_declarator_type):
1049 New functions. Warn that [*] isn't properly implemented; pedwarn
1050 for [*] outside C99 mode if pedantic rather than giving a hard
1052 (grokdeclarator): Handle static and type qualifiers in parameter
1054 * c-tree.h (build_array_declarator, set_array_declarator_type):
1056 * extend.texi (Attribute Syntax): Document attributes in parameter
1059 2001-05-25 Mark Mitchell <mark@codesourcery.com>
1061 * config/i386/i386.md: Make sure cmpstr peepholes do not
1062 affect liveness information.
1064 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1066 * c-typeck.c (digest_init): Issue error messages about
1067 invalid constants, not warnings.
1069 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1071 * invoke.texi (-fno-builtin): Document that this is always on
1074 2001-05-24 Philip Blundell <philb@gnu.org>
1076 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
1079 2001-05-24 Philip Blundell <philb@gnu.org>
1081 * config/arm/arm.c (output_return_instruction): Correctly handle
1082 interworking and interrupt functions.
1084 2001-05-24 Philip Blundell <philb@gnu.org>
1086 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
1087 -m{no-}sched-prolog. Fix typos and improve formatting.
1089 2001-05-24 Philip Blundell <philb@gnu.org>
1091 * invoke.texi (ARM Options): Improve wording slightly. Add
1092 documentation for more options, including those for Thumb mode.
1093 Don't mention options that don't exist or are unimplemented.
1094 (Thumb Options): Delete; merged into above section.
1096 2001-05-24 Geoff Keating <geoffk@redhat.com>
1098 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
1099 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
1101 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1103 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
1104 fix hard register simplification.
1106 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1108 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
1109 of just copying CPP_CPU_SPEC.
1111 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1113 * i386.c (incdec_operand): Accept only 1 and -1.
1115 2001-05-23 Kelley Cook <kelley.cook@home.com>
1117 * Makefile.in: Move many of the *_H definitions eariler in the
1118 file, so that rules in t-* files that use them for
1119 dependencies will work in a parallel build.
1120 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
1122 2001-05-23 Richard Henderson <rth@redhat.com>
1124 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
1126 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1128 * cpp.texi: Update for handling of charconsts.
1129 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
1130 diagnostics. Skip to the end if the UCS is too short.
1131 (cpp_interpret_charconst): Long charconsts issue a warning
1134 2001-05-23 Richard Henderson <rth@redhat.com>
1136 * doc/install.texi (alpha-linux): Require binutils 2.11.
1138 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
1140 * c-lex.c (read_escape, read_ucs): Delete.
1141 (lex_string): Use cpp_parse_escape.
1142 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
1143 if not C++ or not C99. Warn if traditional.
1144 (parse_escape): Rename cpp_parse_escape. Make the bitmask
1145 unsigned. Warn for out-of-range escape sequences here.
1146 Update to use maybe_read_ucs.
1147 (cpp_interpret_charconst): Don't warn here.
1148 * cpplib.h (cpp_parse_escape): New exported function.
1150 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
1152 * extend.texi (Attribute Syntax): Clarify application of
1153 attributes to parameters declared as functions or arrays.
1155 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
1157 * dbxout.c (dbxout_type_methods): Do still group methods by name.
1159 2001-05-23 Zack Weinberg <zackw@stanford.edu>
1161 * diagnostic.c (vnotice): Kill.
1162 (fnotice): Call vfprintf directly.
1163 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
1164 verbatim, set_diagnostic_context): Rename string argument to
1165 indicate that it is run through gettext.
1166 (vbuild_message_string, build_message_string, output_do_printf):
1167 Rename string argument to indicate that it is NOT run through
1169 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
1170 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
1171 Run msgid argument through gettext.
1172 (default_print_error_function): Run constant strings through
1173 gettext when nothing else will.
1174 (fatal_error, internal_error, error_recursion): Use fnotice.
1175 Present complete sentences to gettext.
1177 2001-05-23 Mark Mitchell <mark@codesourcery.com>
1179 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
1181 2001-05-23 Richard Henderson <rth@redhat.com>
1183 * function.c (expand_function_start): Always use a pseudo
1184 for the function result value.
1186 2001-05-22 Richard Henderson <rth@redhat.com>
1188 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
1189 section pointer alignment.
1191 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
1193 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
1194 of __USER_LABEL_PREFIX__.
1196 2001-05-22 Richard Henderson <rth@redhat.com>
1198 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
1199 (__deregister_frame_info_bases): New.
1200 * unwind-dw2-fde.h: Declare it.
1201 * libgcc-std.ver: Export it.
1202 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
1203 called __register_frame_info_bases.
1205 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1207 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
1208 instead of #elif (which is OK for this case but not in general).
1210 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
1212 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
1213 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
1214 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
1215 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
1216 "r2" to the assembly file. Only issue allocs with non-zero parameters.
1218 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1219 David O'Brien <obrien@freebsd.org>
1221 * config/freebsd.h (LIB_SPEC): Key the exact setting to
1222 configure-time options and target version of FreeBSD. Set-up
1223 to match architectural change in threading support. Correctly
1224 report when -pthread option is not supported by configure-time
1226 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
1227 and extend to encode target version number in run-time setting
1228 of __FreeBSD__ macro to match the system compiler.
1229 (CPP_PREDEFINES): Likewise.
1230 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
1232 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
1233 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
1235 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1236 David O'Brien <obrien@freebsd.org>
1238 * config.gcc (the unlabeled system switch statement): Add
1239 generic configuration section to handle *-*-freebsd*. Also,
1240 to match the system compiler, default to threading support (it
1241 may be disabled with the standard --disable-threads
1242 configuration-time switch).
1243 (i[34567]86-*-freebsd* in machine-specific section): Use it.
1244 (alpha*-*-freebsd* in machine-specific section): Likewise.
1246 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
1247 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
1248 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
1249 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
1250 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
1252 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
1253 David O'Brien <obrien@freebsd.org>
1255 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1256 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
1257 -pthread instead setting macro.
1259 2001-05-22 Richard Henderson <rth@redhat.com>
1261 * crtstuff.c (__register_frame_info_bases): Declare.
1262 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
1263 (__do_global_dtors_aux, __do_global_dtors): Streamline.
1265 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1266 (CRT_GET_RFIB_DATA): New.
1267 * config/i386/sysv4.h: Likewise.
1268 * config/i386/sco5.h: Likewise.
1269 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1271 2001-05-22 Richard Henderson <rth@redhat.com>
1273 * rtl.c (read_string): Break out from ...
1274 (read_rtx): ... here.
1276 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1278 * doc/install.texi (Specific): Remove a bogus and duplicate part
1279 copied from the end of the document.
1281 2001-05-22 Bernd Schmidt <bernds@redhat.com>
1283 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
1285 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1287 * install.texi: Remove obsolete information on SunOS as well as
1288 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
1289 (Installing GNU CC on the Sun): Remove section.
1291 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
1293 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
1294 keep errno unchanged on success.
1296 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
1298 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
1299 once for hexadecimal floats, whether or not they contain a decimal
1300 point. Don't let the setting of pedantic otherwise affect the
1301 parsing of hexadecimal floats.
1303 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1305 * README.ACORN: Remove obsolete file.
1307 2001-05-22 Jan Hubicka <jh@suse.cz>
1309 * combine.c (gen_binary): Use swap_commutative_operands_p
1310 (simplify_comparison): Likewise.
1311 * expmed.c (emit_store_flag): Likewise.
1312 * expr.c (compare_from_rtx): Likewise.
1313 (do_compare_rtx_and_jump): Likewise.
1314 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
1315 if not emitting a branch and operands want swapping.
1317 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
1319 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
1320 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
1321 (maybe_get_identifier): Update.
1322 * tree.h (make_identifier): Delete.
1324 2001-05-21 Richard Henderson <rth@redhat.com>
1326 * combine.c (subst): Do not substitute for a register as
1327 a destination subreg/strict_low_part/zero_extract.
1329 * combine.c (simplify_comparison): Update op1 after constant
1331 * recog.c (const_int_operand): Accept only constants valid
1333 * genrecog.c: Update comments wrt const_int_operand.
1335 * emit-rtl.c (init_emit_once): Zero unused memory in a
1338 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1340 * tree.h (type_num_arguments): Declare it.
1341 * tree.c (type_num_arguments): New function.
1343 2001-05-21 Richard Henderson <rth@redhat.com>
1345 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
1348 2001-05-21 Geoff Keating <geoffk@redhat.com>
1350 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
1352 (minsf3): Use rs6000_emit_minmax.
1353 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
1355 (movsfcc): Use rs6000_emit_cmove.
1356 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
1357 Don't generate emit_fselsfsf4.
1358 (fseldfsf4): Likewise.
1359 (maxdf3): Use rs6000_emit_minmax.
1361 (mindf3): Use rs6000_emit_minmax.
1362 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
1364 (movdfcc): Use rs6000_emit_cmove.
1365 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
1366 Don't generate emit_fselsfsf4.
1367 (fselsfdf4): Likewise.
1368 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
1369 (min_max_operator): New predicate.
1370 (rs6000_emit_cmove): New function.
1371 (rs6000_emit_minmax): New function.
1372 * config/rs6000/rs6000-protos.h: Prototype new functions.
1373 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
1374 and min_max_operator.
1376 * config/rs6000/rs6000.c (output_cbranch): Handle all
1377 conditional types in the switch statement.
1379 2001-05-21 Mark Mitchell <mark@codesourcery.com>
1381 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
1382 non-register variables.
1383 * extend.texi: Document that asm-specifications do not make sense
1384 for non-static local variables.
1386 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
1388 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
1389 (dbxout_type_fields): Lose minimal_debug support.
1390 (dbxout_type_methods, dbxout_type): Likewise.
1392 2001-05-17 Andrew Haley <aph@redhat.com>
1394 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1396 2001-05-21 Richard Henderson <rth@redhat.com>
1398 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
1401 2001-05-20 Richard Henderson <rth@redhat.com>
1403 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1404 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
1405 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
1406 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1407 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
1409 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
1410 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
1411 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
1412 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1413 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
1414 DEBUG_PUBNAMES_SECTION): Rename as above.
1415 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
1417 2001-05-20 Richard Henderson <rth@redhat.com>
1419 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
1420 operands unless the operation is commutative.
1422 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1424 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
1427 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
1429 * extend.texi: Clarify documentation of extensions included in ISO
1430 C99. Prefer C99 terminology and syntax to old GNU terminology and
1431 syntax. Add more index entries. Document mixed declarations and
1432 code as an extension in C89 mode. Warn about future changes to
1433 semantics of inline functions. Fixes PR other/930.
1435 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1437 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
1438 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1439 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
1440 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
1442 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
1444 2001-05-20 Richard Henderson <rth@redhat.com>
1446 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
1447 to be output before a branch.
1449 2001-05-20 Richard Henderson <rth@redhat.com>
1451 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
1453 2001-05-20 Richard Henderson <rth@redhat.com>
1455 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
1456 (ASM_DOUBLE): Remove.
1457 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
1458 * config/i386/sun386.h: Likewise.
1460 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
1461 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
1463 * config/i386/cygwin.h (INT_ASM_OP): Remove.
1464 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
1465 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
1466 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
1468 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
1469 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
1470 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
1471 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
1472 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
1473 * config/i386/win32.h: Likewise.
1475 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1477 * invoke.texi: Add more options to summary list.
1479 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
1481 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
1482 used. Fixes PR c/2291.
1483 * gcc.1: Regenerate.
1485 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1487 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
1488 the -fpic and -fPIC options, clear flag_pic.
1490 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1492 * hashtable.c (calc_hash): Fix HASHSTEP definition.
1493 * stringpool.c (make_identifier): No statistics here anymore.
1494 * objc-act.c (steup_string_decl): Remove redundant check.
1496 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
1498 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
1499 cpplib.o, cpphash.o, fix-header): Update.
1500 (hashtable.o): New target.
1501 * c-common.h: Include cpplib.h. Define C_RID_CODE and
1502 struct c_common_identifier here.
1503 * c-lang.c (c_init_options): Update. Call set_identifier_size.
1504 * c-lex.c (c_lex): Update.
1505 * c-pragma.h: Update.
1506 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
1508 (C_RID_CODE): Delete.
1509 * cpphash.c: Rewrite to use hashtable.c.
1510 * cpphash.h: Update include guards.
1511 (struct cpp_reader): Remove hashtab.
1512 hash_ob and buffer_ob are no longer pointers. Add hash_table
1514 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
1515 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
1516 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
1517 * cppinit.c (cpp_create_reader): Update.
1518 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
1519 (cpp_interpret_charconst): Eliminate warning.
1520 * cpplib.c (do_pragma, do_endif, push_conditional,
1521 cpp_push_buffer, cpp_pop_buffer): Update.
1522 (_cpp_init_stacks): Rename cpp_init_directives.
1523 (_cpp_cleanup_stacks): Remove.
1524 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
1525 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
1526 cpp_forall_identifiers, cpp_create_reader): Update.
1527 (C_RID_CODE, cpp_make_node): New.
1528 (c_common_identifier): New identifier node for C front ends.
1529 * cppmain.c (main): Update.
1530 * fix-header.c (read_scan_file): Update.
1531 * flags.h (id_clash_len): Make unsigned.
1532 * ggc.h (ggc_mark_nonnull_tree): New.
1535 * stringpool.c: Update comments and copyright. Update to use
1537 * toplev.c (approx_sqrt): Move to hashtable.c.
1538 (id_clash_len): Make unsigned.
1539 * toplev.h (ident_hash): New.
1540 * tree.c (gcc_obstack_init): Move to hashtable.c.
1541 * tree.h: Include hashtable.h.
1542 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
1543 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
1544 (struct tree_identifier): Update.
1545 (make_identifier): New.
1547 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
1548 (C_RID_CODE): Remove.
1549 * lex.c (cxx_init_options): Call set_identifier_size. Update.
1550 (init_parse): Don't do it here.
1552 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
1554 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
1556 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
1558 (expand_eh_return): Convert between word_mode and Pmode.
1559 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
1561 (execute_stack_op): Likewise.
1562 (execute_cfa_program): Likewise.
1563 (uw_frame_state_for): Likewise.
1564 (uw_update_context_1): Likewise.
1565 * unwind.inc (_Unwind_Reason_Code): Likewise.
1566 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
1567 (EH_RETURN_STACKADJ_RTX): Likewise.
1568 * config/mips/mips.c (compute_frame_size): Make space for saving
1569 EH return registers.
1570 (mips_expand_epilogue): Handle EH stack adjustments.
1571 * config/mips/mips.md (eh_return): New pattern.
1572 (eh_set_lr_si): Likewise.
1573 (eh_set_lr_di): Likewise.
1574 Add splitter to perform EH return after reload.
1576 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1578 * jump.c (mark_jump_label): Tidy previous change.
1580 2001-05-19 Bruce Korb <bkorb@gnu.org>
1582 * fixinc/genfixes: no need for two warnings
1583 * fixinc/Makefile.in: open stdin for those building with a closed one.
1585 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1587 * jump.c (jump_optimize_1): Tidy.
1588 (mark_jump_label): When changing the label in a LABEL_REF, change
1589 update any REG_EQUAL notes as well.
1591 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
1593 * c-parse.in (parm_declarator): Split into
1594 parm_declarator_starttypename and parm_declarator_nostarttypename.
1595 (parm_declarator_starttypename, parm_declarator_nostarttypename):
1596 New. Allow parenthesised sub-declarators which don't begin with a
1597 TYPENAME. Fixes PR c/166.
1599 2001-05-19 Mark Mitchell <mark@codesourcery.com>
1601 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
1603 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1605 * toplev.c (main): If the target does not allow profiling without
1606 a frame pointer, issue an error message.
1607 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
1610 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1612 * recog.c (general_operand): Modify last change to allow it if reload
1615 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1617 * recog.c (general_operand): Prohibit nonzero subreg bytes on
1618 subregs containing mem.
1620 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
1622 * regrename.c (regrename_optimize): frame pointer register can
1625 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
1627 * README.DWARF: Move into dwarfout.c.
1629 2001-05-18 Dale Johannesen <dalej@apple.com>
1631 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
1632 specific misuse of r0 as a reload address.
1634 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
1636 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
1639 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1641 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
1642 (add_to_sequence): Make that decision type.
1643 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
1644 (write_switch, write_cond, debug_decision_2): Likewise.
1646 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
1648 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
1651 2001-05-18 Stan Shebs <shebs@apple.com>
1653 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
1654 * configure: Regenerate.
1656 2001-05-18 Per Bothner <per@bothner.com>
1658 Changes needed for java/jvspec.c
1659 * gcc.h (n_infiles, outfiles): Add declarations.
1660 * gcc.c (n_infiles, outfiles): Mske no longer static.
1662 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
1664 * config/pa/som.h (EXCEPTION_SECTION): Define.
1666 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
1668 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
1670 Add have_location_lists, a variable to determine whether we need a
1671 .debug_loc section or not.
1672 (enum dw_val_class): Add dw_val_class_loc_list.
1673 (dw_val_struct): Add val_loc_list.
1674 (dw_loc_list_struct): New structure, represents location lists.
1675 (new_loc_list): New function, return a new location list, given
1676 the range and location expression.
1677 (add_loc_descr_to_loc_list): New function, add a location
1678 expression to a location list, given the expression and range.
1679 (output_loc_list): New function, output a location list.
1680 (gen_internal_sym): Modified to take symbol prefix, so we can
1681 reuse it for location list symbols.
1682 (add_AT_loc_list): New function, add a location list to a DIE at
1683 the named attribute.
1684 (AT_loc_list): New function, return the location list reference
1685 for a given attribute, if it's a location list.
1686 (print_die): Handle dw_val_class_loc_list.
1687 (size_of_die): Ditto.
1688 (value_format): Ditto.
1689 (output_die): Ditto.
1690 (output_location_lists): New function, output all of the location
1691 lists for a DIE and it's children.
1692 (dwarf2out_finish): Call output_location_lists if we have location
1696 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1698 * gcse.c (try_replace_reg): First try global replace, later try to
1699 simplify the expression.
1701 * gcse.c (find_used_regs): Change calling convention; work via
1703 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
1705 2001-05-18 Bernd Schmidt <bernds@redhat.com>
1708 2001-02-09 Nick Clifton <nickc@redhat.com>
1709 * config/arm/arm.md: Change output constraint on post inc
1710 load/store multiple patterns to be a read/write constraint.
1712 2001-05-18 Mark Mitchell <mark@codesourcery.com>
1714 * basic-block.h (struct basic_block_def): Add documentation about
1715 what a basic block is, and what the various fields are used for.
1716 * flow.c (calculate_globlal_regs_live): Add documentation about
1717 how the algorithm works, and how we know that it will terminate.
1718 Check that the the inductive assumption that guarantees
1719 termination actually holds.
1720 (mark_used_regs): Treat conditionally set registers as used.
1721 (debug_regset): Add comment.
1722 * rtl.texi (cond_exec): Add documentation.
1724 * function.c (expand_function_start): Avoid creating BLKmode
1727 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1729 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
1730 DIE, even if it has no children.
1731 (dwarf2out_finish): Always output the line-number table, even if
1734 2001-05-18 David Edelsohn <edelsohn@gnu.org>
1736 * rs6000.md (movsfcc,movdfcc): Remove NE case.
1738 2001-05-17 Bruce Korb <bkorb@gnu.org>
1740 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
1741 * fixinc/genfixes: emit a warning if AutoGen is out of date
1743 2001-05-17 Brendan Conoboy <blc@cygnus.com>
1744 Bruce Korb <bkorb@gnu.org>
1746 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
1747 found in fixinc directory. Facilitates binary distributions.
1749 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
1751 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
1754 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
1756 * dwarf2out.c (modified_type_die): Equate qualified type to die.
1758 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1760 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
1761 (simplify_subreg): Handle complex types represented as CONCAT.
1763 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
1764 * rtl.h (swap_commutative_operands_p): Declare.
1765 * rtlanal.c (swap_commutative_operands_p): New.
1766 (operand_preference): New static function.
1768 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
1769 (gen_binary): Likewise.
1770 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
1771 * simplify-rtx.c (simplify_gen_binary,
1772 simplify_gen_relational): Likewise.
1774 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1776 * cse.c (fold_rtx): Use simplify_subreg.
1778 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
1779 (simplify_gen_subreg): New.
1780 (simplify_rtx): Use simplify_subreg.
1781 * rtl.h (simplify_gen_subreg): Declare.
1783 2001-05-17 Mark Mitchell <mark@codesourcery.com>
1785 * doc/install.texi: Update Solaris information.
1787 * except.h (protect_cleanup_actions): Remove it.
1788 (lang_protect_cleanup_actions): Declare it.
1789 * except.c (protect_cleanup_actions): Remove it.
1790 (lang_protect_cleanup_actions): New variable.
1791 (init_eh): Don't make protect_cleanup_actions a GC root.
1792 (expand_eh_region_and_cleanup): Call
1793 lang_protect_cleanup_actions.
1794 (output_function_exception_table): Remove unused `align'
1796 * varasm.c (assemble_external): Abort if we have not yet
1797 opened the assembly output file.
1799 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
1801 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
1802 for eh_personality_libfunc.
1804 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1806 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
1807 when calling simplify_subreg. This is needed to allow replacing
1808 of expression of one mode by expression of different mode.
1810 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1812 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
1814 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1816 * expr.c (protect_from_queue): Protect against subsequent calls to
1818 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
1821 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
1823 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
1825 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1827 * gccbug.in (CATEGORIES): Add "bootstrap".
1829 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1831 * simplify-rtx.c (simplify_subreg): Break out from ...
1832 * combine.c (combine_splify_rtx) ... here and ...
1833 * recog.c (validate_replace_rtx_1): ... here;
1834 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
1835 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
1836 (subreg_lowpart_p): ... here.
1838 2001-05-17 Bernd Schmidt <bernds@redhat.com>
1840 * stmt.c (expand_asm_operands): For inout operands, make sure
1841 the substitution of '=' for '+' makes it into the rtl.
1843 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
1844 (reload_as_needed): Call update_eliminable_offsets a bit later.
1846 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1848 * gcc.texi (gccbug): Refer to the web pages for detailed information
1851 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1853 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
1855 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
1856 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
1857 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
1858 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
1859 * cross-make: Don't set LIBGCC1.
1860 * mklibgcc.in: Delete all code for building from libgcc1.c.
1861 Always honor LIB1ASMFUNCS if set.
1863 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
1864 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
1865 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
1866 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
1867 config/i386/uwin.asm, config/m68hc11/larith.asm,
1868 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
1869 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
1870 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
1871 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
1872 Delete or update references to libgcc1 in commentary.
1874 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
1875 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
1876 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
1877 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
1878 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
1879 config/arm/t-semi, config/arm/t-strongarm-coff,
1880 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
1881 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
1882 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
1883 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
1884 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
1885 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
1886 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
1887 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
1888 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
1889 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
1890 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
1891 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
1892 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
1893 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
1894 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
1895 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
1896 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
1897 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
1898 config/mips/t-ultrix, config/mn10200/t-mn10200,
1899 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
1900 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
1901 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
1902 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
1903 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
1904 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
1905 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
1906 config/sparc/t-sparclite, config/sparc/t-splet,
1907 config/sparc/t-sunos41, config/sparc/t-vxsparc,
1908 config/sparc/t-vxsparc64, config/v850/t-v850:
1909 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
1911 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
1912 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
1913 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
1914 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
1915 nongcc_SI_type, nongcc_word_type, or perform_*
1916 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
1918 * config/i386/386bsd.h, config/i386/beos-elf.h,
1919 config/i386/linux-aout.h, config/i386/linux-oldld.h,
1920 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
1921 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
1922 Don't include i386/perform.h.
1924 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
1925 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
1926 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
1927 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
1928 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
1929 config/vax/t-openbsd, config/vax/t-vax: Delete.
1931 * config.gcc: Remove references to deleted files.
1932 (arm-semi-aof): Use arm/t-semi for tmake_file.
1934 * gcc.texi, install.texi, invoke.texi, tm.texi:
1935 Delete or rewrite text which is no longer relevant now that
1936 libgcc1 no longer exists.
1938 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
1939 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
1941 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
1942 Bruce Korb <bkorb@gnu.org>
1944 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
1947 2001-05-16 Zack Weinberg <zackw@stanford.edu>
1949 * i386.md: Add two peepholes to clean up code generated by
1952 2001-05-16 Richard Henderson <rth@redhat.com>
1954 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
1955 variants of non-absolute encodings.
1957 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1959 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
1960 __register_frame_info_table_bases): Export.
1962 2001-05-16 Richard Henderson <rth@redhat.com>
1964 * except.c (eh_data_format_name): Move to ...
1965 * dwarf2asm.c: ... here. Use designated initializers if available.
1966 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
1967 * dwarf2asm.h: Update declarations.
1968 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
1969 ASM_PREFERRED_EH_DATA_FORMAT.
1970 (output_call_frame_info): Likewise. Use 'L' augmentation for
1973 * unwind-dw2-fde.h (struct fde_vector): New.
1974 (struct old_object): Rename from struct object.
1975 (struct object): New.
1976 (__register_frame_info_bases): Declare.
1977 (__register_frame_info_table_bases): Declare.
1978 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
1979 * unwind-dw2-fde.c (objects): Remove.
1980 (unseen_objects, seen_objects): New.
1981 (__register_frame_info_bases): New.
1982 (__register_frame_info): Use it.
1983 (__register_frame_info_table_bases): New.
1984 (__register_frame_info_table): Use it.
1985 (__deregister_frame_info): Rewrite for changed object struct.
1986 (base_from_object, get_cie_encoding, get_fde_encoding): New.
1987 (fde_unencoded_compare): Rename from fde_compare; uninline.
1988 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
1989 (start_fde_sort): Adjust for new definition of fde_vector.
1990 (fde_insert): Likewise.
1991 (end_fde_sort): Likewise. Select comparison function based
1992 on properties of the object.
1993 (fde_split): Take object and fde_compare_t arguments.
1994 (frame_heapsort, fde_merge): Likewise.
1995 (classify_object_over_fdes): Rename from count_fdes. Handle
1996 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
1998 (add_fdes): Handle encoded pointers.
1999 (init_object): Rename from frame_init. Update for new struct object.
2000 (linear_search_fdes): Rename from search_fdes. Handle encoded
2002 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
2003 (binary_search_single_encoding_fdes): New.
2004 (binary_search_mixed_encoding_fdes): New.
2005 (search_object): New.
2006 (_Unwind_Find_FDE): Update for new struct object. Fill in
2008 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
2009 iterating over EH data.
2010 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
2011 fde_encoding, lsda_encoding.
2012 (read_uleb128, read_sleb128): Remove.
2013 (read_encoded_pointer): Remove. All callers use read_encoded_value.
2014 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
2015 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
2017 * unwind-pe.h: Add "struct" to _Unwind_Context references.
2019 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2021 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
2022 * cpphash.c (_cpp_lookup_with_hash): Similarly.
2023 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
2024 cpp_spell_token, cpp_output_token): Similarly.
2025 * cpplib.c (lex_macro_node, do_undef, do_pragma,
2026 do_pragma_poison, parse_assertion, do_assert): Similarly.
2027 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
2028 save_parameter, _cpp_create_definition, check_trad_stringification,
2029 cpp_macro_definition): Similarly.
2030 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
2031 * c-lex.c (cb_undef, c_lex): Similarly.
2032 * fix-header.c (recognized_function): Similarly.
2033 * cpplib.h (NODE_LEN, NODE_NAME): New.
2034 (cpp_hashnode): Rename length len.
2036 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
2038 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
2041 2001-05-16 Andreas Jaeger <aj@suse.de>
2043 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
2045 * toplev.c: Include dwarf2asm.h for prototype of
2046 dw2_output_indirect_constants.
2048 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2050 * stmt.c (expand_asm_operands): Be able to offload addressof
2051 expression to memory. (PR optimization/185)
2053 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
2055 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
2056 applying distributive law.
2058 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2060 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
2062 * gthr-dce.h (UNUSED): Attribute unused macro.
2063 (__gthread_key_dtor): Make arguments UNUSED.
2064 (__gthread_key_delete): Revise for compatibility with DRAFT4
2067 2001-05-16 David Edelsohn <edelsohn@gnu.org>
2069 * doc/install.texi: Update AIX information.
2070 * README.RS6000: Remove obsolete file.
2072 2001-05-16 Jakub Jelinek <jakub@redhat.com>
2073 Nathan Sidwell <nathan@codesourcery.com>
2075 * gcc.c (give_switch): Don't write before start of string.
2076 Always append suffix.
2078 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
2080 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
2083 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2085 * README.ALTOS: Remove obsolete file.
2087 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2089 * c-lex.h (save_and_forget_protocol_qualifiers,
2090 forget_protocol_qualifiers, remember_protocol_qualifiers):
2091 Remove deleted functions' prototypes.
2093 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
2095 * c-parse.in (methodtype): New production.
2096 (methoddef, methodproto): Collapse separate '-' and '+'
2099 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2101 * c-common.h (RID_FIRST_PQ): New.
2102 * c-parse.in (objc_pq_context): New.
2103 (objc parser): Set objc_pq_context rather than calling
2104 remember_protocol_qualifiers and forget_protocol_qualifiers.
2105 Don't call save_and_forget_protocol_qualifiers.
2106 (yylexname): Handle objc protocol qualifiers here.
2107 * stringpool.c (struct str_header): Replace with sp_hashnode.
2108 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
2109 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
2110 Allocate an IDENTIFIER_NODE for each identifier.
2111 (FORALL_STRINGS, set_identifier): Delete.
2112 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
2113 (ggc_alloc_string): Use an obstack.
2114 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
2115 * tree.h: Update comments.
2116 (set_identifier): Delete.
2117 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
2118 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
2119 remember_protocol_qualifiers): Delete.
2121 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
2123 * flow.c (life_analysis): After life analysis is complete, do
2124 an optional scan over insns looking for REG_LABEL notes that
2125 reference a deleted label.
2126 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
2127 before peeking at LABEL_NUSES.
2129 2001-05-15 Richard Henderson <rth@redhat.com>
2131 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
2132 (_Unwind_GetTextRelBase): New.
2134 2001-05-15 Mark Mitchell <mark@codesourcery.com>
2136 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
2138 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
2140 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
2141 so that CHOOSE_SECTION gets used.
2143 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
2144 TARGET_RELOCATABLE like flag_pic for now.
2146 2001-05-15 David Edelsohn <edelsohn@gnu.org>
2148 * rs6000.md (movdi splitter): Sign extend more efficiently.
2149 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
2150 to "long long" valid on 32-bit and 64-bit hosts.
2151 (logical_operand): Cast trunc_int_for_mode return value.
2152 (rs6000_emit_move): Shift macro to encapsulate variable.
2153 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
2154 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
2155 plus_constant requires signed argument.
2157 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
2159 * gthr-posix.h: Make additional pthread-* functions weak.
2161 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
2163 * recog.c (apply_change_group): Avoid unneeded validating.
2165 2001-05-14 David Edelsohn <edelsohn@gnu.org>
2167 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
2168 (num_insns_constant): CONST_INT can be 64-bits.
2170 2001-05-14 Stan Shebs <shebs@apple.com>
2172 * config/darwin.h (LIB_SPEC): Just use -lSystem.
2173 (LIBGCC_SPEC): Don't define.
2175 2001-05-14 Richard Henderson <rth@redhat.com>
2177 * configure.in (gcc_cv_as_eh_frame): New test.
2178 * config.in, configure: Rebuild.
2179 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
2181 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2183 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
2184 extended precision divide.
2186 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2188 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
2189 for RETURNS as well.
2191 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2193 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
2194 (CPP_CPU??_SIZE_TYPE): New.
2195 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
2196 (CPP_CPU_SPEC): ... here; support choosing of CPU.
2197 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
2198 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
2200 * i386.c (override_options): Add sorry about not suported modes.
2202 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
2204 * config/pa/som.h (NM_FLAGS): Remove.
2205 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
2206 (ASM_OUTPUT_SECTION_NAME): Remove.
2207 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
2209 2001-05-14 Mark Mitchell <mark@codesourcery.com>
2211 * regrename.c (regrename_optimize): Do not rename registers to
2214 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
2216 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
2217 contain MEMs. Remove useless distinction about clobbering
2220 2001-05-13 Geoff Keating <geoffk@redhat.com>
2222 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
2223 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
2224 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
2225 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2226 (EXCEPTION_SECTION): Define.
2228 2001-05-13 Zack Weinberg <zackw@stanford.edu>
2230 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
2231 binary backward compat only.
2232 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
2233 in LIB2FUNCS. Pass it to mklibgcc.
2234 * mklibgcc.in: Handle LIB2FUNCS_ST.
2236 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
2238 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
2240 * tm.texi (THREAD_MODEL_SPEC): Document it.
2241 * gcc.c (main): Use it.
2242 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
2243 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
2245 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2247 * rtl.h (SYMBOL_REF_WEAK): New macro.
2248 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
2249 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
2250 * rtl.texi (SYMBOL_REF_WEAK): Document it.
2251 * gcc.texi: Remove wrong description.
2253 2001-05-13 Mark Mitchell <mark@codesourcery.com>
2255 * Makefile.in (STAMP): New macro.
2256 Replace all uses of `touch' with $(STAMP).
2257 * fixinc/Makefile.in: Likewise.
2259 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2261 * configure.in: ldopen is never in -lexc, so don't test for it.
2262 Add test for exc_resume in -lexc for Ada.
2263 * configure: Regenerated.
2265 2001-05-12 Richard Henderson <rth@redhat.com>
2267 * dwarf2asm.c (size_of_encoded_value): New function.
2268 * dwarf2asm.h: Declare it.
2269 * except.c (output_function_exception_table): Align the TType
2270 array only as wide as the encoding.
2272 2001-05-12 Zack Weinberg <zackw@stanford.edu>
2274 * extend.texi: Document #pragma GCC java_exceptions.
2276 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2278 * c-parse.in (bison parser, init_reswords): Remove uses of
2280 * c-tree.h (doing_objc_thang): Remove.
2282 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2284 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
2285 about files not ending in newlines.
2287 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2289 * dwarfout.c (dwarfout_init): Add cast.
2290 * sched-deps.c (sched_analyze_insn): Remove unused vars.
2291 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
2293 * method.c (build_mangled_C99_name): Remove unused prototype.
2295 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2297 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
2299 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
2301 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
2302 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
2304 2001-05-11 Richard Henderson <rth@redhat.com>
2306 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2307 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
2308 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
2309 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
2310 (dw2_output_indirect_constants): Prototype.
2311 * dwarf2out.c (dwarf2out_begin_prologue): Generate
2312 current_function_func_begin_label if we'll need it for EH. Exit
2313 early for IA64_UNWIND_INFO.
2314 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
2315 (eh_data_format_name): Update for indirect references.
2316 (output_function_exception_table): Care for IA64_UNWIND_INFO.
2317 Handle ASM_PREFERRED_EH_DATA_FORMAT.
2318 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
2319 define HAVE_eh_return etc.
2320 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
2321 (final_end_function): Don't call output_function_exception_table.
2322 * toplev.c (compile_file): Call dw2_output_indirect_constants.
2323 (rest_of_compilation): Invoke output_function_exception_table
2324 for ia64 before assemble_end_function.
2325 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
2326 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
2328 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
2329 * unwind.h: Declare them.
2330 * libgcc-std.ver: Export them.
2331 * unwind-pe.h: New file.
2333 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2335 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
2337 (find_fde_for_dso): Extract DT_PLTGOT.
2338 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
2339 the segment and gp as well.
2340 * config/ia64/frame-ia64.c: Remove file.
2341 * config/ia64/frame-ia64.h: Remove file.
2342 * config/ia64/unwind-ia64.c: New file.
2343 * config/ia64/unwind-ia64.h: New file.
2344 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
2345 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
2346 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
2347 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2348 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2349 (IA64_UNWIND_INFO): Re-enable.
2350 (HANDLER_SECTION): Remove.
2351 (EH_RETURN_DATA_REGNO): New.
2352 * config/ia64/ia64.md (exception_receiver): Remove.
2353 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
2354 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
2356 2001-05-11 Richard Henderson <rth@redhat.com>
2358 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
2359 calls and jumps to be bundled together.
2360 (ia64_reorg): Emit a break after a noreturn call that ends
2362 * config/ia64/ia64.md (break_f): New.
2364 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
2366 * c-lex.c (lex_charconst): Convert into a simple wrapper
2367 around cpp_interpret_charconst, to which most of the code
2369 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
2370 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
2371 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
2372 (lex): Use cpp_interpret_charconst.
2373 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
2374 hex_digit_value): New functions.
2375 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
2376 * cpplib.h (cpp_interpret_charconst): New prototype.
2377 * Makefile.in: Update.
2379 2001-05-12 Dean Wakerley <dean@wakerley.com>
2381 * doc/install.texi: New file. Converted to texinfo from the HTML
2382 documentation in wwwdocs/htdocs/install.
2384 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
2386 * gcse.c (insert_insn_end_bb): Do not search for assignments to
2387 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2389 * toplev.c (compile_file): Move comment for opening output
2390 file to just before the code that opens the output file.
2392 2001-05-11 Jakub Jelinek <jakub@redhat.com>
2394 * regmove.c (regmove_optimize): Suppress the optimization for
2395 unchanging destination register. Add comment above function.
2397 2001-05-11 Zack Weinberg <zackw@stanford.edu>
2399 * Makefile.in: Exterminate all references to assert.h.
2400 * cross-make: Likewise.
2402 * configure.in: Correct commentary.
2403 * configure: Regenerate.
2405 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
2408 * config/t-freebsd, config/t-linux, config/t-linux-aout,
2409 config/t-netbsd, config/t-rtems, config/x-linux,
2410 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
2411 No need to override INSTALL_ASSERT_H.
2413 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
2414 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
2415 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
2417 2001-05-11 Graham Stott <grahams@redhat.com>
2419 * combine.c (simplify_comparison): Fix typo.
2421 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2423 * loop.h (struct movables): Remove `num'.
2424 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
2425 Adjust call to strength_reduce.
2426 (num_unmoved_movables): New function.
2427 (move_movables): Don't set movables->num.
2428 (strength_reduce): Compute the number of instructions in the loop
2429 here, rather than in the caller.
2430 (check_dbra_loop): Always clear reversible_mem_store if there
2431 are any memory sets.
2432 (loop_regs_scan): Don't count instructions here.
2433 (count_insn_in_loop): New function.
2435 2001-05-11 Mark Mitchell <mark@codesourcery.com>
2437 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
2439 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
2441 * c-common.c (finish_label_expr): New function, lifted from
2442 from cp/semantics.c.
2443 * c-common.h (finish_label_expr, lookup_label): New prototypes.
2444 * c-parse.in: Move 3 blocks of parser code into new functions.
2445 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
2446 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
2447 (lookup_label): Remove.
2449 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
2451 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
2452 FLOAT_BIT_ORDER_MISMATCH.
2454 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2456 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
2457 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
2459 2001-05-10 David Edelsohn <edelsohn@gnu.org>
2461 * expr.c (emit_group_load): extract_bit_field requires a REG or
2464 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
2466 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
2467 a computed jump into an unconditional jump.
2468 In second hunk of code for collapsing computed and conditional jumps
2469 into unconditional jumps, reemit the jump in additional cases.
2471 * jump.c (jump_optimize_1): Do not wrap the new jump target
2472 inside a LABEL_REF; gen_jump will do that automatically.
2474 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
2476 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
2477 contents for a SYMBOL_REF in case of floating point constants.
2479 2001-05-10 DJ Delorie <dj@redhat.com>
2481 * c-common.c (combine_strings): Widen strings in a
2482 host-endian-independent way.
2484 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
2486 * c-parse.in: Remove many shift/reduce conflicts. Update
2488 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
2489 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
2490 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
2491 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
2492 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
2493 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
2494 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
2495 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
2496 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
2497 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
2498 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
2499 typespec_reserved_nonattr, typespec_reserved_attr,
2500 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
2501 structsp_nonattr, components_notype, component_notype_declarator,
2502 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
2503 firstparm, setspecs_fp): New
2504 (typed_declspecs, reserved_declspecs, typed_typespecs,
2505 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
2506 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
2507 declmods_no_prefix_attr, nonempty_type_quals, structsp,
2508 type_quals): Remove. Users updated.
2509 (initdecls, notype_initdecls, after_type_declarator,
2510 parm_declarator, notype_declarator, absdcl1, components, ivars):
2511 Don't allow attributes at the start of a declarator; include them
2512 in the production containing the declarator instead. Always
2513 require type specifiers before trying to redeclare a typedef name.
2514 (typename): Allow for attributes but warn that they are ignored.
2515 (parmlist, firstparm, setspecs_fp): Include attributes in
2516 parmlist; suck them off the parser stack in firstparm using
2519 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
2521 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
2522 to determine if a block has an unconditional jump at its end.
2524 * jump.c (jump_optimize_1): When converting a conditional jump
2525 to an unconditional jump, build the jump using gen_jump instead
2526 of just modify operands in-place.
2528 2001-05-09 Zack Weinberg <zackw@stanford.edu>
2530 * cppinit.c (cpp_post_options): Shut off macro expansion if
2532 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
2533 IN_I directives only if the # is in column 1 and the directive
2534 name begins in column 2.
2535 * cppmain.c (scan_buffer): Insert a space between # and an
2536 identifier, when that identifier is a directive name.
2538 * tradcpp.c (struct file_buf): Add a pointer to the next entry
2539 in the header search path.
2540 (enum node_type): Add T_INCLUDE_NEXT.
2541 (directive_table): Add entry for include_next.
2542 (do_include_next): New function.
2543 (process_include): New routine, broken out of do_include.
2544 (finclude): Insert 'nhd' argument, to be copied into
2545 next_header_dir of the new buffer.
2546 (main): Adjust to match.
2547 * gsyslimits.h, limity.h: Un-indent #include_next.
2549 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
2551 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
2552 inclusion as a chapter of the GCC manual.
2553 * gcc.texi: Include objc.texi.
2554 * fdl.texi: Use @unnumberedsec for the addendum.
2555 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
2557 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2559 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
2561 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
2563 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
2564 handling of two-address insns.
2566 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
2568 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
2569 ../binutils/nm-new instead of ../binutils/nm.
2571 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2573 * i386.md (movdi splitter): Fix the splitting condition
2574 (float_extenddftf splitter): Fix mode.
2576 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
2578 * genrecog.c (write_switch): Avoid outputting of switch for
2579 types wider than int.
2581 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
2583 * reload1.c (copy_eh_notes): New function.
2584 (emit_input_reload_insns): Call it.
2585 (emit_output_reload_insns): Call it.
2587 2001-05-07 Zack Weinberg <zackw@stanford.edu>
2589 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
2591 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
2592 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
2594 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
2596 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
2598 * pa.md (interspace_jump): Revise comment.
2599 (builtin_longjmp): Block initial setup insns from delay slot of
2601 (builtin_setjmp_receiver): New expander to save and restore PIC
2604 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
2606 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
2608 * toplev.c (compile_file): Set up the output file before we call
2609 the various initializers for the compiler.
2611 * except.c (sjlj_mark_call_sites): Do not search for assignments to
2612 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2614 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
2615 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
2617 2001-05-06 Zack Weinberg <zackw@stanford.edu>
2619 * Makefile.in (tradcpp0): Correct typo in dependency list.
2621 2001-05-06 Geoff Keating <geoffk@redhat.com>
2623 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
2624 the link register if we're not going to use it.
2626 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
2627 (output_function_profiler): Likewise.
2629 2001-05-07 Alan Modra <amodra@one.net.au>
2631 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
2633 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
2635 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
2636 zero-extend it. Make abs_inc unsigned.
2638 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
2639 widest mode in narrowing and widening operations.
2641 * config/mips/mips.md: Sign extend CONST_INTs.
2643 2001-05-06 Andreas Jaeger <aj@suse.de>
2645 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
2646 (i386 Options): Document -momit-leaf-frame-pointer.
2648 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
2650 * c-typeck.c (internal_build_compound_expr): Check for
2651 array to pointer conversion just once.
2653 2001-05-05 Richard Henderson <rth@redhat.com>
2655 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
2657 2001-05-05 Richard Henderson <rth@redhat.com>
2659 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
2660 to the parent of the fixup region.
2662 2001-05-05 Jakub Jelinek <jakub@redhat.com>
2664 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
2666 * cpp.texi (__NO_INLINE): Document it.
2668 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
2670 * cppfiles.c (struct include_file): New member err_no.
2671 (find_or_create_entry): Set it.
2672 (open_file): Don't set fds to -2. Instead, use err_no to
2673 remember previous errors, if any.
2675 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2677 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
2678 between X and Y by using sequences of xgdx and xgdy.
2680 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2682 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
2683 of '!' for the 'D' alternative ('!' is too strong).
2684 ("*logicalsi3_silshl16"): Likewise.
2685 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
2686 ("movstrictsi"): Remove spurious '+'.
2687 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
2688 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
2689 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
2692 2001-05-04 David Edelsohn <edelsohn@gnu.org>
2694 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
2696 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
2698 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
2701 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2703 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
2706 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2708 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
2709 soft register, use ror instead of rol.
2711 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2713 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
2714 into account pre/post increment decrement for 68HC12.
2715 Fix other problems in replacement and fix call to reg_mentioned_p.
2717 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2719 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
2720 Put the soft registers in bss for 68HC12.
2721 (L_regs_d3_4): New for _.d3 and _.d4.
2722 (L_regs_d5_6): Likewise.
2723 (L_regs_d1_2): Likewise.
2724 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
2726 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2728 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
2729 to the pre-processor when -fshort-double is specified.
2730 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
2732 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2734 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
2735 (__mulsi3): Rewrite for 68HC12.
2736 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
2737 Mark 'x' constraint with earlyclobber to prevent a
2738 RELOAD_FOR_OTHER_ADDRESS to go in it.
2739 (mulhi3_m68hc12): New pattern.
2740 (mulhi3_m68hc11): Rename of mulhi3.
2741 (mulhi3): New expand for 68HC12 optimisation.
2742 (umulhisi3, mulhisi3): New patterns for 68HC12.
2744 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2746 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
2747 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
2748 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
2750 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2752 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
2753 constants cheap after reload.
2754 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
2756 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
2757 so that gcc prefers a shift by 16.
2758 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
2760 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
2762 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
2764 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2766 * alpha.h: NULL_PTR -> NULL.
2773 * i386.md: Likewise.
2776 * m68hc11.h: Likewise.
2777 * rs6000.h: Likewise.
2780 * sparc.h: Likewise.
2784 * final.c: Likewise.
2786 * recog.c: Likewise.
2788 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2790 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
2791 `bool' parameter to `int'.
2793 * hash.c (hash_lookup): Likewise.
2795 * hash.h (hash_lookup): Likewise.
2797 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
2799 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2801 * i386.c (x86_initialize_trampoline): Fix mode of constant.
2803 2001-05-03 Geoff Keating <geoffk@redhat.com>
2805 * invoke.texi (i386 Options): Delete references to -malign-jumps,
2806 -malign-loops, -malign-functions.
2807 * i386.c (ix86_align_funcs): Delete.
2808 (ix86_align_loops): Delete.
2809 (ix86_align_jumps): Delete.
2810 (override_options): Mark -malign-* as obsolete. Emulate their
2811 behaviour with the -falign-* options. Default -falign-* from
2812 the processor table.
2813 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
2814 patch of Wed May 2 13:09:36 2001.
2815 (LOOP_ALIGN): Delete.
2816 (LOOP_ALIGN_MAX_SKIP): Delete.
2817 (LABEL_ALIGN_AFTER_BARRIER): Delete.
2818 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
2820 2001-05-04 Andreas Jaeger <aj@suse.de>
2822 * except.h: Add prototype declaration for
2823 expand_builtin_init_dwarf_reg_sizes.
2825 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
2827 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
2829 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2831 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
2833 ("bitcmpqi2"): New pattern for bit-extract and test.
2834 ("bitcmphi"): New pattern for bitb/bita instructions.
2836 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
2838 * gccbug.in: Use a temporary directory when the mktemp command is
2841 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2843 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
2845 (INITIALIZE_TRAMPOLINE): Call it.
2846 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
2847 (TRAMPOLINE_TEMPLATE): Remove.
2848 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
2849 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
2852 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2854 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
2855 and crtendS.o with PIC.
2857 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2859 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2861 (___subdi3, ___adddi3): Use x instead of y as index register.
2862 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2863 (__memset, __memcpy): Likewise.
2864 (regs): Put the soft registers in bss for 68HC12.
2865 (abort): Use trap to abort for 68hc12.
2866 (__mulhi3, __mulhi32): Use emul for 68hc12.
2867 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2869 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2871 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2872 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2873 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2874 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2875 Set 68HC12 min offset to -65536.
2876 (print_operand): Put parenthesis arround the operand if it refers
2877 to a symbol having the same name as a register.
2878 (m68hc11_z_replacement): When z register is replaced by its
2879 equivalent soft register, force the insn to be re-recognized.
2880 (m68hc11_check_z_replacement): Fix the test when destination is
2881 the index register and z dies in the insn.
2882 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2884 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2886 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2887 costs according to processor variant.
2888 (m68hc11_shift_cost): New function to compute shift costs.
2889 (m68hc11_rtx_costs): Define costs according to processor variant.
2890 (m6811_cost): Costs for 68HC11.
2891 (m6812_cost): Costs for 68HC12.
2892 (COSTS_N_INSNS): Remove.
2894 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2895 (DEFAULT_RTX_COSTS): Remove.
2896 (CONST_COSTS): Define costs according to OUTER_CODE.
2897 (processor_costs): New struct to define costs.
2898 (m68hc11_cost): Pointer to current costs.
2900 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2902 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2903 and use m68hc11_notice_keep_cc when using leax/leay.
2904 (addhi3 split): Reject split if the insn is handled by
2906 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2907 push must be handled in a special way if the source operand uses
2908 sp as index register.
2909 (m68hc11_notice_keep_cc): New function.
2910 (m68hc11_gen_movhi): Use it when an insn changes a register but
2912 (m68hc11_gen_movqi): Fix move for 68HC12.
2913 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2915 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2917 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2918 and don't pass operands[0] to emit_library_call_value.
2920 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2922 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2923 (zero_extendsi split): Simplify and use (zero_extendhi).
2924 (*addhi3): Remove 'w' constraint since stack pointer is handled
2926 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2927 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2928 (*ashrhi3_const): Fix shift by 7.
2929 (*lshrsi3_const16): Fix template.
2930 (call, call_value): Fix constraint and predicate.
2932 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2934 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2935 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2936 (CC_REGNUM): Likewise.
2937 (*unnamed splits): Use above constants instead of hard coded numbers.
2938 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2939 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2940 (*return_16bit, *unnamed peepholes): Likewise.
2942 2001-05-03 David O'Brien <obrien@FreeBSD.org>
2944 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
2945 rs6000/rs6000.h twice.
2947 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
2949 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
2950 (CPP_SPEC): Conditionally define MSDOS and GO32.
2951 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
2952 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
2954 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
2956 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2958 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
2960 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2962 * integrate.h (struct inline_remap): Add leaf_reg_map table.
2963 * integrate.c (expand_inline_function): Use xcalloc to allocate
2965 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
2968 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2970 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
2973 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2975 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
2976 linker if -mrelax is given.
2977 (TARGET_SWITCHES): Document -mrelax.
2979 Re-installed 2001-01-09's patch:
2980 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2981 if it's wider than long and the target's long is wider than the
2984 2001-05-02 David O'Brien <obrien@FreeBSD.org>
2986 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
2987 directly include rs6000/rs6000.h. Instead do it in tm.h.
2989 2001-05-02 Stan Shebs <shebs@apple.com>
2991 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
2992 NSConstantString for NeXT-style runtimes.
2993 (STRING_OBJECT_GLOBAL_NAME): New macro.
2994 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
2995 OCTI_STRING_CLASS_DECL.
2996 (constant_string_global_id): New macro.
2997 (string_class_decl): Ditto.
2998 (setup_string_decl): New function.
2999 (build_objc_string_object): Use it to build a NeXT runtime
3000 compatible string initializer.
3002 2001-05-02 Jakub Jelinek <jakub@redhat.com>
3004 * tradcpp.c (do_define): Make sure we don't walk past limit.
3006 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3008 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
3009 offsets if not REG_OK_STRICT.
3011 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
3012 (INT_REG_OK_FOR_INDEX_P): Likewise.
3013 (INT_REG_OK_FOR_BASE_P): Likewise.
3014 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
3015 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
3016 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
3017 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
3018 REG_OK_FOR_BASE_P. Take an additional parameter.
3019 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
3020 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
3021 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
3022 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
3023 rs6000_legitimate_address() and use it.
3024 * config/rs6000/rs6000.c: Update all callers.
3025 (rs6000_legitimate_address): New function.
3027 2001-05-02 David Edelsohn <edelsohn@gnu.org>
3029 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
3030 special_constant conditional blocks together.
3032 2001-05-02 Dale Johannesen <dalej@apple.com>
3034 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
3036 (STRICT_ARGUMENT_NAMING): Define.
3037 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
3038 function_arg_partial_nregs, setup_incoming_varargs): Remove
3039 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
3042 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3044 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
3046 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
3049 * expr.c (store_field): Do nothing except elaborate side-effects if
3052 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3054 * c-lex.c: NULL_PTR -> NULL.
3056 * emit-rtl.c: Likewise.
3058 * genpeep.c: Likewise.
3060 * mips-tdump.c: Likewise.
3061 * reload1.c: Likewise.
3062 * rtlanal.c: Likewise.
3064 * stor-layout.c: Likewise.
3065 * toplev.c: Likewise.
3067 2001-05-01 Per Bothner <per@bothner.com>
3069 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
3070 call do_pending_stack_adjust before emiting label.
3072 2001-05-01 Mark Mitchell <mark@codesourcery.com>
3074 * extend.texi: Fix typo.
3076 2001-05-01 Stan Shebs <shebs@apple.com>
3078 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
3079 of UOBJC_MODULES_decl.
3080 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
3081 (generate_descriptor_table): Ditto.
3082 (generate_protocols): Ditto.
3083 (generate_protocol_list): Ditto.
3084 (generate_classref_translation_entry): Ditto.
3086 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
3088 * invoke.texi (Optimize Options): Add documentation for `--param
3089 max-delay-slot-insn-search' and `--param
3090 max-delay-slot-live-search' and reorder --param section.
3091 * params.def: Modify initial comment.
3092 * params.h (param_info): Add `help' member.
3093 * toplev.c (lang_independent_params): Include `help' description.
3094 (display_help): Print --param parameters.
3096 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3098 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
3099 Remove references to deleted files.
3100 (*-*-openbsd): No need to override xmake_file.
3101 (*-*-sysv4): Treat like *-*-sysv.
3103 * configure.in: Probe for ldopen in various places, and set up
3104 collect2 to be linked with them if found.
3105 Don't dink with Windows registry stuff unless $host_os is a
3106 Win32 os name. Check to see if we need -ladvapi32.
3107 * configure: Regenerate.
3109 * Makefile: Get rid of CLIB and HOST_CLIB.
3110 Substitute in COLLECT2_LIBS and link collect2 against its contents.
3111 * build-make: Get rid of HOST_CLIB.
3113 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
3114 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3115 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3116 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
3117 config/rs6000/x-rs6000: Delete.
3119 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
3122 24 x-host fragments remain, 0 x-cpu, 3 top level.
3124 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3126 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
3127 * configure: Regenerate.
3129 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
3131 * Makefile.in (install-headers): Remove redundant dependency.
3133 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
3135 * c-tree.texi (USING_STMT): Document.
3137 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3139 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
3140 * c-common.c: Likewise.
3141 * c-decl.c: Likewise.
3142 * combine.c: Likewise.
3143 * rs6000.c: Likewise.
3144 * except.c: Likewise.
3145 * explow.c: Likewise.
3147 * fold-const.c: Likewise.
3148 * function.c: Likewise.
3151 * integrate.c: Likewise.
3153 * objc/objc-act.c: Likewise.
3154 * recog.c: Likewise.
3155 * reg-stack.c: Likewise.
3156 * reload.c: Likewise.
3157 * reload1.c: Likewise.
3158 * simplify-rtx.c: Likewise.
3160 * varasm.c: Likewise.
3162 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
3164 * diagnostic.def: New file.
3165 * diagnostic.h (diagnostic_t): New enum.
3166 * Makefile.in (diagnostic.o): Depend on diagnostic.def
3168 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3170 * tsystem.h: Test only POSIX for availability of string.h
3172 * config.gcc (all systems): If USG appeared in xm_defines,
3173 change it to POSIX. If both USG and POSIX appeared, just
3174 delete USG. Remove unnecessary quotes around xm_defines
3176 (m68k-crds-unos*): Don't #define unos - tested nowhere.
3177 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
3178 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
3179 powerpc-*-linux*): No need to set xm_defines - handled by
3180 global settings for *-*-linux*.
3182 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3184 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
3185 Always include gstab.h, not system stab.h. Don't provide
3186 default definitions of N_CATCH or N_OPT. Always use the
3187 gstab.h variant of STAB_CODE_TYPE.
3188 * final.c: Don't include stab.h/gstab.h at all, or provide
3189 defaults for N_SLINE and N_SOL.
3191 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
3192 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
3194 * sdbout.c: Always include gsyms.h instead of system syms.h.
3196 * configure.in: No need to check for stab.h.
3197 * configure, config.in: Regenerate.
3198 * Makefile.in (final.o): Don't depend on gstab.h.
3200 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3201 Richard Henderson <rth@redhat.com>
3203 * extend.texi: Improve documentation of volatile asms.
3205 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3207 * c-tree.texi: Fix thinko.
3208 * gcc.texi: Likewise.
3210 2001-04-30 Richard Henderson <rth@redhat.com>
3212 * c-common.c (c_promoting_integer_type_p): New function, from the
3213 corpse of old macro. Properly promote too-small enumerations and
3214 booleans. Adjust all callers.
3215 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
3216 (c_promoting_integer_type_p): Declare.
3217 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
3218 * c-typeck.c: Likewise.
3219 (default_conversion): Remove now redundant boolean check.
3221 2001-04-30 Jan Hubicka <jh@suse.cz>
3222 Richard Henderson <rth@redhat.com>
3224 * regmove.c (try_apply_stack_adjustment): Remove now redundant
3226 (combine_stack_adjustments_for_block): Don't combine stack
3227 allocation followed by deallocations. Handle grow-up stacks.
3229 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3231 * fdl.texi: New file.
3232 * c-tree.texi: Use the GFDL.
3233 * gcc.texi: Likewise.
3235 2001-04-30 Stan Shebs <shebs@apple.com>
3237 * invoke.texi: Add a section documenting Objective-C options.
3239 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
3241 * emit-rtl.c (try_split): Copy EH notes to sequence.
3243 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3245 * regmove.c (record_stack_memrefs): Catch all references to the
3248 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
3250 * Makefile.in (stmp-fixinc): quote shell assignment values
3252 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3254 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
3258 * prefix.c: Likewise.
3260 2001-04-28 Stan Shebs <shebs@apple.com>
3262 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
3263 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
3264 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
3265 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
3267 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
3268 (NEXT_OBJC_RUNTIME): Define.
3270 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
3272 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
3273 * simplify-rtx.c (simplify_gen_relational): Likewise.
3275 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
3277 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
3278 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
3280 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
3281 registers in SSE case; fix handling of the immediates.
3282 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
3283 operands to be in regsiters before reload.
3284 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
3285 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
3286 (abstf,absxf,negtf,negxf splitters): Compute
3287 properly the regnum for x86_64.
3288 (avsdf2_if_rex64): New.
3290 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
3292 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
3293 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
3294 into the constant pool.
3295 * jump.c (jump_optimize_1): Remove barrier successors after all
3296 the LABEL_NUSES counds have been computed.
3297 (delete_barrier_successors): When deleting a tablejump insn, also
3298 delete the jump table it uses.
3299 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
3302 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
3304 * pa.c (FRP): Remove erroneous white space in macro definition.
3306 2001-04-28 Andreas Jaeger <aj@suse.de>
3308 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
3310 * extend.texi: Likewise.
3311 * tm.texi: Likewise.
3313 2001-04-28 Andreas Jaeger <aj@suse.de>
3315 * md.texi: Use XX-bit instead of XXbit or XX bit where
3318 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
3320 * gcc.c (process_command): Allow -l lib in addition to -llib
3321 for POSIX compliance. This fixes PR c/2347.
3323 * invoke.texi: Update section on Link Options accordingly.
3325 2001-04-27 Zack Weinberg <zackw@stanford.edu>
3327 * function.c (purge_addressof_1): Remove the duplicate
3328 if (code == SET) block. Fold the two if (code == ADDRESSOF)
3331 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
3333 * except.c (expand_eh_region_start): Don't start a new block.
3334 (expand_eh_region_end): Don't end a block.
3335 * stmt.c (expand_end_bindings): Don't end EH blocks.
3336 (expand_decl_cleanup): Starting an EH region won't change the block.
3337 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
3338 (is_eh_region): Lose.
3341 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
3343 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
3345 * collect2.c (main): Add `-L' case to remove duplicate entries.
3346 (is_in_args): New function to check for a duplicate argument.
3347 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
3348 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
3349 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
3350 Define to be nonzero.
3352 2001-04-27 Andreas Jaeger <aj@suse.de>
3353 Richard Henderson <rth@redhat.com>
3355 * md.texi (Machine Constraints): Document additional i386
3356 constraints and fix description of "A".
3358 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
3360 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
3362 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
3364 * except.c (get_exception_filter): word_mode, not Pmode.
3366 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
3368 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
3369 common to other movsf patterns. Move up so that in future
3370 people who change the other patterns will change it too.
3371 (movsf_lo_sum): Allow even for soft-float; add appropriate
3373 (movsf_high): Likewise.
3374 (movsf_high+1): Allow even for soft-float.
3376 * function.c (expand_function_end): Always clobber the
3377 return registers, even if there is no return label.
3379 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3381 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
3383 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
3385 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
3386 (pushqi2_rex64, pushhi2_rex64): Add.
3388 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
3390 * except.c (expand_eh_region_end_cleanup): Force pending stack
3391 adjust before emitting label that branches around cleanup code.
3393 2001-04-26 H.J. Lu (hjl@gnu.org)
3395 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
3397 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
3399 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
3400 (ASM_OUTPUT_SECTION_NAME): Likewise.
3401 (ASM_WEAKEN_LABEL): Likewise.
3402 (UNIQUE_SECTION): Likewise.
3403 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3404 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3405 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
3406 (ASM_OUTPUT_SECTION_NAME): Likewise.
3407 (ASM_WEAKEN_LABEL): Likewise.
3408 (UNIQUE_SECTION): Likewise.
3409 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3410 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3411 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
3412 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
3413 (ASM_FILE_START): Likewise.
3414 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3415 (ASM_DECLARE_OBJECT_NAME): Likewise.
3416 (ASM_FILE_END): Likewise.
3417 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3418 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3419 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3420 (ASM_OUTPUT_CASE_LABEL): Likewise.
3421 (ASM_OUTPUT_SKIP): Likewise.
3422 (ASM_OUTPUT_ASCII): Likewise.
3423 (ASM_OUTPUT_IDENT): Likewise.
3424 (READONLY_DATA_SECTION): Likewise.
3425 (EXTRA_SECTIONS): Likewise.
3426 (EXTRA_SECTION_FUNCTIONS): Likewise.
3427 (SELECT_RTX_SECTION): Likewise.
3428 (SELECT_SECTION): Likewise.
3430 * config/mips/linux.h (INVOKE__main): Undefine.
3431 (CTOR_LIST_BEGIN): Likewise.
3432 (CTOR_LIST_END): Likewise.
3433 (DTOR_LIST_BEGIN): Likewise.
3434 (DTOR_LIST_END): Likewise.
3435 (SET_ASM_OP): Defined it to ".dummy".
3436 (ASM_OUTPUT_DEF): Defined.
3437 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
3439 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
3441 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
3442 assembler supports .p2align.
3444 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
3446 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
3448 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3450 * integrate.c (expand_inline_function): Check for error_mark_node
3453 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3455 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
3458 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
3460 * configure.in (configargs.h): Define thread_model.
3461 * configure: Rebuilt.
3462 * gcc.c (main): Print it with -v.
3464 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
3466 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
3467 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
3468 * gcc.1: Regenerate.
3470 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3472 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
3473 is_redundant_typedef): Use static inline instead of inline static.
3475 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
3477 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
3478 this directory is always searched.
3480 2001-04-25 Richard Henderson <rth@redhat.com>
3482 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
3483 of registers to restore along non eh_return path.
3485 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3487 * c-format.c (check_format_info_recurse): Handle
3488 PLUS_EXPR for format string.
3490 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3492 * config/ia64/ia64.h (CC1_SPEC): Define.
3493 * config/ia64/linux.h (CC1_SPEC): Define.
3495 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
3497 * emit-rtl.c (constant_subword): Also do sign extension in
3498 BITS_PER_WORD == 16 case.
3500 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
3502 * loop.c (try_swap_copy_prop): Go back to checking insn.
3504 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3506 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
3507 if check_mode is non-zero.
3509 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3511 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
3512 out and comparison sequence has been detected, put result into
3513 proper temporary pseudo.
3515 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3517 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
3518 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
3519 * libgcc2.c: Remove __dummy and __builtin_saveregs.
3520 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
3521 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
3522 for future reference.
3524 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
3526 * except.c (reachable_handlers): Step out one level from a RESX.
3528 * except.c (struct eh_region): Rename 'last' to 'resume'.
3529 (mark_eh_region, duplicate_eh_region_1): Adjust.
3530 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
3531 (build_post_landing_pads): Likewise.
3532 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
3533 (expand_eh_region_end_must_not_throw): Likewise.
3534 (connect_post_landing_pads): Thread (only) regions with non-deleted
3537 * except.c (expand_eh_region_end_cleanup): Save the EH return data
3538 registers around the cleanup.
3539 (get_exception_filter): New fn.
3540 (finish_eh_generation): Use it.
3542 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
3544 * c-semantics.c (add_scope_stmt): Don't call
3545 current_scope_stmt_stack multiple times.
3547 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3548 Nathan Sidwell <nathan@codesourcery.com>
3550 Lazy __FUNCTION__ generation.
3551 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
3552 RID_C99_FUNCTION_NAME): New _RIDs.
3553 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
3554 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
3555 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
3557 (function_id_node, pretty_function_id_node, func_id_node): Remove.
3558 (c99_function_name_decl_node, function_name_decl_node,
3559 pretty_function_name_decl_node, saved_function_name_decls):
3561 (struct language_function): Remove x_function_name_declared_p.
3562 (make_fname_decl): Remove a parameter.
3563 (declare_function_names): Remove prototype.
3564 (start_fname_decls, finish_fname_decls): Prototype.
3565 (fname_as_string): Likewise.
3566 (fname_string, fname_decl): Likewise.
3567 * c-common.c (make_fname_decl): Adjust.
3568 (struct fname_var_t): New struct.
3569 (fname_vars): New static array.
3570 (declare_function_name): Remove.
3571 (start_fname_decls, finish_fname_decls): New functions.
3572 (fname_as_string): New function from remnants of
3573 declare_function_name.
3574 (fname_string, fname_decl): New functions.
3576 * c-decl.c (c_function_name_declared_p): Remove.
3577 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
3578 don't call declare_function_name. Call start_fname_decls.
3579 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
3580 clobber the line number. Call finish_decl.
3581 (start_function): Call start_fname_decls.
3582 (finish_function): Call finish_fname_decls.
3583 Remove c_function_name_declared_p.
3584 (push_c_function_context): Don't push c_function_name_declared_p.
3585 (pop_c_function_context): Don't pop c_function_name_declared_p.
3586 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
3587 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
3588 (program): Call finish_fname_decls for C.
3589 (primary): Add VAR_FUNC_NAME.
3590 (reswords): Add slots for __FUNCTION__ et al.
3591 (rid_to_yy): Add mappings for __FUNCTION__ et al.
3592 (yylexname): If it's a STRING_FUNC_NAME generate the function name
3593 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
3594 * c-semantics.c (prune_unused_decls): Remove.
3595 (finish_stmt_tree): Don't call prune_unused_decls.
3596 (genrtl_decl_stmt): Don't prune unused decls here.
3598 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
3600 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
3601 constant pool, use the pool's SYMBOL_REF instead.
3603 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
3606 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
3608 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
3609 passing nested NOP_EXPRs to fold.
3611 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
3613 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
3615 2001-04-22 Mark Mitchell <mark@codesourcery.com>
3617 * loop.c (loop_delete_insns): Add prototype.
3619 2001-04-23 Phil Edwards <pme@sources.redhat.com>
3621 * configure.in: Remove ENABLE_STD_NAMESPACE.
3622 * config.in: Regenerated.
3623 * configure: Regenerated.
3625 2001-04-22 Stan Shebs <shebs@apple.com>
3627 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
3629 * config/rs6000/xm-darwin.h: Remove file.
3631 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3633 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
3634 (write_c_file_stat): Likewise.
3636 * dbxout.c (dbxout_init): Likewise.
3638 * profile.c (output_func_start_profiler): Likewise.
3640 2001-04-22 Philipp Thomas <pthomas@suse.de>
3642 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
3643 require it instead of the CVS version.
3644 * cpperror.c (v_message): Put a blank before the macro
3645 body to not confuse exgettext.
3647 2001-04-21 Mark Mitchell <mark@codesourcery.com>
3649 * flow.c (proagate_one_insn): Remove useless assignment.
3650 * jump.c (delete_insn): Tidy.
3651 * loop.c (try_copy_prop): When deleting an instruction with a
3652 REG_RETVAL note, delete the entire libcall sequence.
3653 (loop_delete_insns): New function.
3654 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
3655 we're not substituting into them yet.
3657 2001-04-21 Kazu Hirata <kazu@hxi.com>
3659 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
3661 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
3663 * config/i960/i960.c (signed_arith_operand): Likewise.
3665 * calls.c (expand_call): Fix a comment typo.
3667 2001-04-20 Zack Weinberg <zackw@stanford.edu>
3669 * configure.in: Probe for times, clock, struct tms, and clock_t.
3670 * configure, config.in: Regenerate.
3671 * timevar.c: Replace ifdef forest in get_time with (relatively)
3672 straightforward series of checks based on autoconf's probes.
3674 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
3676 * config/pa/som.h (NM_FLAGS): Define.
3678 2001-04-20 Bernd Schmidt <bernds@redhat.com>
3680 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
3682 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
3683 * ia64.c (nop_cycles_until): New function.
3684 (prev_cycle, prev_first, last_issued): New static variables.
3685 (ia64_sched_reorder): Additional arg for clock.
3686 On final scheduling pass, emit extra NOPs as needed.
3687 Set prev_first and prev_cycle.
3688 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
3689 (ia64_variable_issue): Set last_issued.
3691 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
3693 * config/i386/i386.c (ix86_expand_int_movcc,
3694 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
3696 2001-04-20 Geoff Keating <geoffk@redhat.com>
3698 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
3699 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
3700 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
3701 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
3702 ctrdi_internal6): In the short-branch case, this insn is only 4
3703 bytes long. Reported by Reza Yazdani <reza@apple.com>.
3705 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3707 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
3708 "=u" is used together with "st" resp. "st(1)" clobber.
3710 2001-04-20 Jakub Jelinek <jakub@redhat.com>
3712 * gcse.c (gcse_main): Fix comment typo.
3713 (delete_null_pointer_check): Likewise.
3714 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
3715 * cse.c (cse_insn): Likewise.
3716 * function.c (fixup_var_refs_insns_with_hash): The sequence is
3719 2001-04-19 Zack Weinberg <zackw@stanford.edu>
3721 * toplev.c: Excise all code for the undocumented -dm option.
3722 (float_signal): Call signal just once, unconditionally.
3724 2001-04-19 Geoff Keating <geoffk@redhat.com>
3726 * fold-const.c (fold): Use first_rtl_op rather than
3727 TREE_CODE_LENGTH when looping over parameters of a tree.
3728 Correct strange grouping in test for evaluated SAVE_EXPR.
3730 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
3732 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
3733 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
3735 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
3736 name at 32 total characters.
3737 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
3738 functions in named sections -- data items can still go into unique
3739 sections, but they have normal names (ie $LIT$ and $DATA$).
3741 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
3744 2001-04-19 DJ Delorie <dj@redhat.com>
3746 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3747 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
3748 * config/i386/cygwin.h: Likewise.
3749 * config/i386/mingw32.h: Likewise.
3750 * config/vax/vms.h: Likewise.
3751 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
3753 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
3754 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
3755 * config/i386/xm-cygwin.h: Likewise.
3756 * config/i386/xm-djgpp.h: Likewise.
3757 * config/i386/xm-mingw32.h: Likewise.
3758 * config/vax/xm-vms.h: Likewise.
3760 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
3761 instead of OBJECT_SUFFIX.
3762 * collect2.c (find_a_file): Look for files matching the extension
3763 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
3764 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
3765 TARGET_EXECUTABLE_SUFFIX.
3766 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
3767 (make_relative_prefix): Likewise.
3768 (convert_filename): Use TARGET_ suffixes throughout. Remove
3770 (process_command): Likewise.
3771 (do_spec_1): Likewise.
3772 * java/lang.c (init_parse): Likewise.
3774 * gcc.texi : Document four new options matching the pattern
3775 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
3776 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
3777 documentation for NO_AUTO_EXE_SUFFIX.
3779 2001-04-19 Mark Mitchell <mark@codesourcery.com>
3781 * toplev.h (struct lang_hooks): Allow decode_option to indicate
3782 that language-independent processing should not be done.
3783 * toplev.c (main): Adjust accordingly.
3785 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
3786 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
3788 * mips.md (reload_outputdi): Require that operand0 be a
3791 2001-04-19 Jakub Jelinek <jakub@redhat.com>
3793 * invoke.texi (-Wshadow): Clarify.
3795 2001-04-18 Mark Mitchell <mark@codesourcery.com>
3797 * loop.c (load_mems): Examine all the instructions in the loop
3798 before concluding that all jumps branch to the first instruction
3801 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
3803 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
3805 2001-04-18 Jakub Jelinek <jakub@redhat.com>
3807 * cpp.texi (-Wwhite-space): Remove.
3808 (-Wall): -Wall does not imply -Wwhite-space.
3810 2001-04-17 Zack Weinberg <zackw@stanford.edu>
3812 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
3813 use it instead of blindly generating a .stabs.
3814 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
3816 * xcoffout.c: Don't bother defining default for N_CATCH.
3817 (UNKNOWN_STAB): Use internal_error.
3818 (stab_to_sclass): Remove now-unnecessary aborts.
3819 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
3821 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
3823 * jump.c (mark_all_labels): Canonicalize the tail recursion
3824 label attached to CALL_PLACEHOLDER insns.
3826 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3828 * output.h (dump_flow_info, free_basic_block_vars,
3829 which_alternative): Delete redundant prototypes.
3831 * rtl.h (bss_section): Likewise.
3833 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
3835 * dbxout.c (N_OPT): Define if not available from <stab.h>
3837 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3839 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
3840 libraries and native K&R compilers.
3842 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3844 * c-typeck.c (convert_arguments): Don't check for width changes
3847 * invoke.texi (-Wtraditional): Update documentation.
3849 2001-04-16 Zack Weinberg <zackw@stanford.edu>
3851 * toplev.c (output_lang_identify): Delete.
3852 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
3853 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
3854 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
3855 after calling ASM_FILE_END.
3857 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
3858 Instead, unconditionally emit an N_OPT stab with string equal
3859 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
3861 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
3863 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
3864 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
3865 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
3866 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
3867 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
3868 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
3869 config/i370/i370.h, config/i386/beos-elf.h,
3870 config/i386/osf1elf.h, config/i386/osfrose.h,
3871 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
3872 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
3873 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
3874 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
3875 config/mips/iris6.h, config/mips/osfrose.h,
3876 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
3877 config/sparc/sp64-elf.h:
3878 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
3879 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
3881 * config/elfos.h, config/freebsd.h, config/linux.h,
3882 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
3883 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
3884 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
3885 of ASM_FILE_START which merely emit a .version directive. Delete
3886 definitions of ASM_FILE_END which merely emit an .ident directive.
3888 * config/avr/avr.h, config/vax/vax.h: Delete definition of
3889 ASM_IDENTIFY_GCC and move part of its logic into
3892 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
3893 config/sparc/linux-aout.h: Don't emit .version directive in
3896 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
3897 (output_file_start): Correct comment.
3899 * config/i386/osfrose.h: Don't emit trailing .ident directive.
3900 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
3902 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
3903 * config/rs6000/aix.h: Correct comment.
3905 * config/i386/i386afe.h: Delete.
3906 * config.gcc: Remove references to i386afe.h.
3908 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
3909 other macros deleted by this patch were undocumented.
3911 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
3913 * pa.md (reload_outdi): Operand 0 must be a non hard register.
3915 * pa.c (secondary_reload_class): SAR<->FP copies require a
3918 * install.texi (mips-mips-bsd): Update list of functions
3919 required to include memmove.
3920 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
3921 used functions to include memmove.
3923 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
3925 * i386.md (sqrtdf2): SFmode should be DFmode.
3927 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
3929 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
3930 (find_moveable_store): Likewise.
3932 2001-04-15 Jim Wilson <wilson@redhat.com>
3934 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
3936 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
3938 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
3939 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
3941 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
3943 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
3946 2001-04-14 Alan Modra <amodra@one.net.au>
3948 * pa.c (force_mode): New function.
3949 (emit_move_sequence): Use it instead of generating new rtx_REGs.
3951 2001-04-13 Jim Wilson <wilson@redhat.com>
3953 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
3954 (first_instruction): New static variable.
3955 (rtx_needs_barrier): Return 1 for alloc.
3956 (init_insn_group_barriers): Set first_instruction.
3957 (rws_sum): Delete duplicate definition.
3958 (group_barrier_needed_p): Return 0 when first_instruction true.
3959 (safe_group_barrier_needed_p): Save and restore first_instruction
3960 around group_barrier_needed_p call.
3962 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
3964 * expr.h (enum libfunc_index): Add LTI_memmove.
3965 (memmove_libfunc): Define macro.
3966 * optabs.c (init_optabs): Initialize memmove_libfunc.
3967 * expr.c (expand_assignment): Use memmove_libfunc instead of
3970 2001-04-13 Alan Modra <alan@linuxcare.com.au>
3972 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
3975 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3977 * Makefile.in (reg-stack.o): Depend on reload.h.
3978 (insn-attrtab.o): Depend on flags.h.
3980 * genattrtab (main): Include flags.h in insn-attrtab.c.
3982 * reg-stack.c: Include reload.h.
3984 * sparc.h (flag_pic): Delete redundant declaration.
3986 * output.h (flag_pic): Likewise.
3988 * tree.h (pedantic): Likewise.
3990 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3992 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
3994 * jump.c, regmove.c, toplev.c: Include reload.h.
3996 * reload.h (reload_cse_regs): Declare.
3998 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
3999 reload_cse_regs, init_reload, mark_home_live, reload,
4000 init_caller_save): Delete redundant prototypes.
4002 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4004 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
4006 * regclass.c, ssa.c: Include expr.h.
4008 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
4009 gen_move_insn): Delete redundant declarations.
4011 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4013 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
4014 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
4015 MAKEINFO and MAKEINFOFLAGS too.
4016 (stage4_build): Correctly order -B flags.
4018 2001-04-13 Alan Modra <amodra@one.net.au>
4020 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
4021 PIC_OFFSET_TABLE_SAVE_RTX.
4022 (zdepi_cint_p): Describe zdepi insn.
4023 Formatting and white space fixes throughout file.
4025 * pa.c (uint32_operand): Don't use long constant >= 2^32.
4026 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
4027 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
4028 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
4029 (output_64bit_and): Use plain `int's for shift counts.
4030 (output_64bit_ior): Likewise.
4031 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
4032 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
4035 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
4036 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
4037 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
4038 NEW_HP_ASSEMBLER into one. Kill warnings.
4040 * pa-gas.h: Delete file.
4041 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
4042 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
4043 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
4044 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
4046 * config/pa/mill32.S: New file.
4047 * config/pa/mill64.S: New file.
4048 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
4049 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
4050 * config/pa/t-linux64: New file.
4051 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
4052 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
4053 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
4055 * elfos.h (SELECT_SECTION): Undef before defining.
4056 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
4057 (LIB_SPEC): Remove -lmilli.
4058 (DBX_REGISTER_NUMBER): Remove.
4059 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
4060 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
4061 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
4062 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
4063 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
4064 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
4065 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
4066 TARGET_GAS): Define.
4067 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
4068 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
4069 regs if we don't have a prototype.
4070 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
4071 * pa.h (TARGET_ELF32): Default to 0 if undefined.
4072 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
4073 EH_RETURN_HANDLER_RTX): Define.
4074 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
4075 (DWARF_FRAME_REGNUM): Define.
4076 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
4077 * pa32-linux.h: New file.
4078 * pa64-linux.h: New file.
4080 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4081 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
4082 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
4083 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
4084 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
4085 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
4086 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
4087 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
4088 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
4089 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
4090 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4091 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
4092 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
4093 * pa64-hpux.h: New file.
4094 (ASM_FILE_START): Correct typo.
4095 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
4096 * config.gcc: Modify for above.
4098 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
4100 * jump.c (jump_optimize_1): Don't delete dead stores here.
4101 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
4102 prior to running jump optimize before cse2.
4104 2001-04-12 Richard Henderson <rth@redhat.com>
4106 * Makefile.in (regmove.o): Depend on except.h.
4107 * regmove.c: Include it.
4109 2001-04-12 Stan Shebs <shebs@apple.com>
4111 * objc/objc-act.c: Remove all code ifdefed with the never-used
4112 macro OBJC_INT_SELECTORS.
4113 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
4114 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
4116 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
4118 * config/pa/quadlib.c: Add prototypes.
4120 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4122 * bitmap.h (debug_bitmap): Delete redundant prototype.
4124 * rtl.h (get_frame_size): Likewise.
4126 2001-04-12 Jim Wilson <wilson@redhat.com>
4128 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
4129 to just emit an fnorm.
4131 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4133 * c-common.h (truthvalue_conversion, type_for_mode,
4134 type_for_size): Delete redundant declarations.
4136 * c-lex.h (is_class_name): Likewise.
4138 * c-tree.h (pedantic, convert, getdecls, gettags,
4139 global_bindings_p, init_decl_processing, insert_block,
4140 maybe_build_cleanup, poplevel, print_lang_decl,
4141 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
4142 set_block, incomplete_type_error, build_function_call,
4143 lvalue_or_else, mark_addressable): Likewise.
4145 * expr.h (expand_tree_builtin): Likewise.
4147 2001-04-12 Mark Mitchell <mark@codesourcery.com>
4149 * invoke.texi: Document --param max-gcse-memory.
4151 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4153 * configure.in (errno): Check for declaration.
4154 * configure, config.in: Regenerated.
4156 * system.h (errno): Only declare if not already done.
4158 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4160 * recog.c (general_operand, immediate_operand,
4161 nonmemory_operand): Require CONST_INTs to be sign-extended
4162 values for their modes.
4164 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4166 * expmed.c (store_bit_field): Truncate CONST_INTs.
4167 (expand_mult_highpart, expand_divmod): Likewise.
4168 * expr.c (convert_modes, store_field): Likewise.
4169 * integrate.c (expand_inline_function): Use promote_mode() to
4170 determine whether to convert_modes() an argument as signed
4172 * optabs.c (expand_binop): Get CONST_INT operands
4173 sign-extended for their appropriate modes.
4174 * stmt.c (emit_case_nodes): Convert node values to the
4176 (expand_end_case): Convert minval and range to the appropriate
4178 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
4179 the iteration variable.
4180 * varasm.c (immed_double_const): Don't require words to be
4181 narrower than host wide ints to properly sign-extend
4184 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
4186 * sh.md (builtin_setjmp_receiver): New expander.
4188 2001-04-12 David Edelsohn <dje@watson.ibm.com>
4190 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
4191 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
4192 for generating CONST_INT and CONST_DOUBLE.
4194 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
4196 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
4197 already sign-extended.
4198 (rs6000_emit_prologue): Make register iterator signed.
4199 (rs6000_emit_epilogue): Likewise.
4200 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
4202 (movsf split, movdf split): Sign-extend CONST_INTs.
4203 (movdi splits): Likewise.
4205 2001-04-12 Kelley Cook <kelley.cook@home.com>
4207 * config-lang.in (lang_dirs): Add in zlib.
4209 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
4211 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
4212 operands that make it to RTL.
4214 2001-04-11 Stan Shebs <shebs@apple.com>
4216 Add Darwin (Mac OS X kernel) native support.
4217 * config.gcc (powerpc-*-darwin*): Add native bits.
4218 * config/darwin.c: New file, generic Darwin support functions.
4219 * config/darwin.h: New file, generic Darwin definitions.
4220 * config/darwin-protos.h: New file, generic Darwin prototypes.
4221 * rs6000/darwin.h: New file, Darwin for PowerPC.
4222 * rs6000/t-darwin: New file, Darwin makefile fragment.
4223 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
4224 (TARGET_MACHO): Ditto.
4225 (rs6000_abi): Add ABI_DARWIN.
4226 (RS6000_REG_SAVE): Add ABI_DARWIN case.
4227 (RS6000_SAVE_AREA): Ditto.
4228 (FP_ARG_MAX_REG): Ditto.
4229 (RETURN_ADDRESS_OFFSET): Ditto.
4230 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
4232 (rs6000_emit_move): Add ABI_DARWIN cases.
4233 (print_operand): Ditto.
4234 (first_reg_to_save): Ditto.
4235 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
4236 (debug_stack_info): Ditto.
4237 (rs6000_emit_prologue): Ditto.
4238 (rs6000_emit_epilogue): Ditto.
4239 (output_profiler_hook): Ditto.
4240 (output_function_profiler): Ditto.
4241 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
4242 (output_mi_thunk): Add TARGET_MACHO case.
4243 (add_compiler_stub): Ditto.
4244 (output_compiler_stub): Ditto.
4245 (no_previous_def): Ditto.
4246 (output_call): Ditto.
4247 (machopic_output_stub): Ditto.
4248 (rs6000_machopic_legitimize_pic_address): Ditto.
4249 (toc_section): Ditto.
4250 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
4251 (macho_high): Ditto.
4254 (load_macho_picbase): Ditto.
4255 (call): Add TARGET_MACHO case to modify function.
4256 (call_value): Ditto.
4257 (call_nonlocal_sysv): Add ABI_DARWIN case.
4258 (call_value_nonlocal_sysv): Ditto.
4259 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
4261 (machopic_output_stub): Ditto.
4262 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
4264 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4266 * dwarf2out.c (modified_type_die): Don't create new types here.
4267 * tree.h (get_qualified_type): New function.
4268 (build_qualified_type): Adjust comment.
4269 * tree.c (get_qualified_type): New function.
4270 (build_qualified_type): Use it.
4272 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4274 * cpp.texi (-Wtraditional): Update description.
4276 * invoke.texi (-Wtraditional): Likewise.
4278 2001-04-11 Jim Wilson <wilson@redhat.com>
4280 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
4281 requires more than 64 bits of alignment.
4283 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
4285 * cpplib.c (do_line): Sanity check iff enable checking.
4287 2001-04-11 Richard Henderson <rth@redhat.com>
4289 * Makefile.in (insn-recog.o): Depend on toplev.h.
4290 (insn-emit.o, doloop.o): Likewise.
4291 * genrecog.c, genemit.c: Include toplev.h in generated file.
4292 * doloop.c: Include toplev.h.
4294 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4296 * Makefile.in (gcse.o): Depend on params.h.
4297 * gcse.c: Include params.h.
4298 (gcse_main): Don't do GCSE if doing so will take inordinate
4300 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
4301 * params.h (MAX_GCSE_MEMORY): New macro.
4303 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4305 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
4307 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
4309 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4311 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
4313 * real.h (ereal_atof, real_value_truncate, target_isnan,
4314 target_isinf, target_negative, assemble_real, debug_real): Delete
4315 redundant prototypes.
4317 * Makefile.in (ifcvt.o): Depend on toplev.h.
4319 * c-semantics.c: Include expr.h.
4321 * ifcvt.c: Include toplev.h.
4323 * expr.h (rtx_equal_p): Delete prototype.
4325 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
4326 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
4327 eliminate_constant_term, expand_complex_abs, find_single_use,
4328 make_tree, init_expr_once, init_optabs, supports_one_only):
4331 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
4332 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
4333 expand_assignment, store_expr, emit_line_note_after,
4334 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
4336 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
4338 * sparc-protos.h: Delete redundant prototypes.
4340 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
4342 * reload.c (push_reload): Add condition missed in SUBREG byte
4345 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4347 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
4349 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
4351 * i386.md (floatsisf_sse): Fix output template
4352 * i386.c (ix86_expand_fp_movcc)
4354 * reg-stack.c (emit_pop_insn): Handle complex modes.
4355 (move_for_stack_reg): Emit proper move mode.
4356 (subst_stack_regs_pat): Handle complex modes.
4358 2001-04-11 Jakub Jelinek <jakub@redhat.com>
4360 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
4362 2001-04-10 Richard Henderson <rth@redhat.com>
4364 * libgcc2.h (__terminate_func_ptr): Remove typedef.
4365 (__pure_virtual, __terminate, __terminate_set_func,
4366 __default_terminate, __throw_type_match, __empty,
4367 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
4368 __eh_rtime_match, __unwinding_cleanup, __rethrow,
4369 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
4370 Remove prototypes of deleted functions.
4372 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4374 * c-typeck.c (convert_arguments): -Wtraditional now activates
4375 -Wconversion warnings, except for changes in signed-ness.
4376 Detect complex<->int & int<->complex conversions as well.
4378 * invoke.texi (-Wtraditional): Document it.
4380 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4382 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
4383 * flow.c (set_block_for_new_insns): Remove needless cast and
4384 properly check for unset block number.
4386 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
4388 * function.c (purge_single_hard_subreg_set): Only check REGNO if
4389 the subreg was a hard register. Pseudos are left as subregs.
4391 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4393 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
4394 (LIB2ADD_ST): New macro, pass it to mklibgcc.
4395 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
4396 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
4397 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
4399 2001-04-09 Bo Thorsen <bo@suse.co.uk>
4401 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
4403 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4405 * output.h (set_block_num): Missed it earlier, remove deprecated
4408 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4410 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
4411 (load_killed_in_block_p): Change bb parameter from int to basic_block.
4412 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
4413 (handle_rd_kill_set): Change bb parameter from int to basic_block.
4414 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
4415 (expr_killed_p): Change bb parameter from int to basic_block, pass
4416 basic_blocks instead of ints as parameters.
4417 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
4418 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
4419 from int to basic_block, pass basic_blocks instead of ints as parms.
4420 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
4421 parameter from int to basic_block, pass basic_blocks instead of ints.
4422 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
4423 (insert_insn_end_bb): Change bb parameter from int to basic_block,
4424 pass basic_blocks instead of ints.
4425 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
4426 basic_blocks instead of ints as parameters.
4427 (pre_delete): Pass basic_blocks instead of ints as parameters.
4428 (hoist_expr_reaches_here_p): Change bb parameter from int to
4429 basic_block, pass basic_blocks instead of ints.
4430 (hoist_code): Pass basic_blocks instead of ints as parameters.
4431 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
4432 Change bb parameter from int to basic_block.
4433 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
4434 (insert_insn_start_bb): Change bb parameter from int to basic_block,
4435 pass basic_blocks instead of ints.
4436 (insert_store): Pass basic_blocks instead of ints as parameters.
4437 (replace_store_insn, delete_store): Change bb parameter from int to
4438 basic_block, pass basic_blocks instead of ints.
4439 (store_motion): Pass basic_blocks instead of ints as parameters.
4441 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4443 * basic-block.h (set_new_block_for_insns): New Prototype.
4444 (set_block_num): Delete prototype.
4445 * flow.c (set_block_num): Remove obsolete function.
4446 (set_block_for_new_insns): Set BB for single or multiple insns.
4447 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
4448 (process_insn_end_bb): Use set_block_for_new_insns or
4449 set_block_for_insn instead of set_block_num.
4450 (pre_insert_copy_insn): Use set_block_for_new_insns.
4451 (update_ld_motion_stores): Use set_block_for_new_insns.
4452 (insert_insn_start_bb): Use set_block_for_new_insns.
4453 (replace_store_insn): Use set_block_for_new_insns.
4455 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
4456 Jeff Law <law@redhat.com>
4458 * alias.c (get_addr): Externalize.
4459 (canon_true_dependence): New function. Behaves like true_dependance
4460 except it already assumes a MEM has been canonicalized.
4461 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
4462 * gcse.c (struct ls_expr): Add load/store expressions structure.
4463 (modify_mem_list, canon_modify_mem_list): New variable.
4464 (gcse_main): Initialize & finalize alias analysis. Use enhanced
4465 load motion and store motion if requested.
4466 (alloc_gcse_mem): Allocate space for modify_mem_list array.
4467 (free_gcse_mem): Free the modify_mem_list array.
4468 (oprs_unchanged_p): Use load_killed_in_block_p.
4469 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
4470 (mems_conflict_for_gcse_p): New function. Don't kill loads
4471 with stores to themselves if its in the load/store expression list.
4472 (load_killed_in_block_p): New function.
4473 (canon_list_insert): New Function.
4474 (record_last_mem_set_info): Keep a list of all instructions which
4475 can modify memory for each basic block.
4476 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
4477 (oprs_not_set_p): Use load_killed_in_block_p.
4478 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
4479 (expr_killed_p): Use load_killed_in_block_p.
4480 (compute_transp): Do not pessimize memory references.
4481 (pre_edge_insert): Update stores for a load motion expression.
4482 (one_pre_gcse_pass): Check loads/stores for extra load motion.
4483 (ldst_entry): Find or create a ldst_expr structure.
4484 (free_ldst_entry): Free memory for an individual item.
4485 (free_ldst_mems): Free entire load/store expression list.
4486 (print_ldst_list): Print debug info.
4487 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
4488 (enumerate_ldsts): Assign integer values to each entry in list.
4489 (first_ls_expr): First expression in the list.
4490 (next_ls_expr): Next expression in the list.
4491 (simple_mem): Check if expression qualifies for ld/st expression list.
4492 (invalidate_any_buried_refs): Remove from expression list if its
4493 used in some other way we dont understand.
4494 (compute_ld_motion_mems): Find all potential enhanced load motion
4496 (trim_ld_motion_mems): Remove any expressions which are invalid.
4497 (update_ld_motion_stores): Copy store values to registers for loads
4498 which have been moved.
4499 (regvec, st_antloc, num_store): New global statics.
4500 (reg_set_info): Marks registers as set.
4501 (store_ops_ok): Verfies registers expressions are valid in a block.
4502 (find_moveable_store): Look for moveable stores in a pattern.
4503 (compute_store_table): Find stores in a function worth moving, maybe.
4504 (load_kills_store): Check dependance of a load and store.
4505 (find_loads): Find any loads in a pattern.
4506 (store_killed_in_insn): Check if a store is killed in an insn.
4507 (store_killed_after): Check is store killed after an insn in a block.
4508 (store_killed_before): Check is store killed before an insn in a block.
4509 (build_store_vectors): Generate the antic and avail vectors.
4510 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
4511 (insert_store): Add a store to an edge.
4512 (replace_store_insn): Replace a store with a SET insn.
4513 (delete_store): Delete a store insn.
4514 (free_store_memory): Free memory.
4515 (store_motion): Perform store motion.
4516 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
4517 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
4518 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
4519 (f_options): Add gcse-lm and gcse-sm.
4521 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
4523 * i386.c (expand_fp_movcc): Fix condition reversal code.
4525 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
4526 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
4527 (CLASS_MAX_NREGS): Use it.
4529 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
4530 handle properly complex values.
4531 (CLASS_MAX_NREGS): Likewise; update comment.
4533 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4535 * ia64.c (ia64_flag_schedule_insns2): New variable.
4536 (ia64_override_options): Initialize it. Clear
4537 flag_schedule_insns_after_reload.
4538 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
4540 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
4542 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
4543 Do not require source to match destination anymore;
4544 Add abort to the nontrivial cases that should be handled by split.
4545 (fix_trunc?fdi): Add SSE case for x86_64.
4546 (floatdi?f): Likewise.
4547 (floatdi?f_sse): New.
4548 (fix_trunc?fdi_sse): New.
4550 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
4552 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
4553 (DEBUG_ARANGES_END_LABEL): Ditto.
4554 (dwarfout_init): Generate length and version fields at the start
4555 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
4556 after the length field.
4557 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
4558 the .debug_aranges info.
4560 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4562 * i386.c (call, call_value): Make sure that resulting call_insn
4563 does have proper second operand.
4565 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
4567 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
4568 function. Remove include of sys/cygwin.h.
4570 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
4572 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
4573 (CPP_SPEC): Always search */include/w32api for header files.
4574 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
4575 (LINK_SPEC): Add "cyg" to the library search prefixes.
4577 2001-04-08 Philip Blundell <philb@gnu.org>
4579 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
4581 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
4583 * cpperror.c (print_location): Don't special case <stdin>.
4584 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
4585 WARNING, but we don't check if we're in system headers.
4586 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
4587 * cpplib.c (do_warning): Warn in system headers.
4589 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
4591 * mbchar.c: Include config.h first.
4593 2001-04-07 Zack Weinberg <zackw@stanford.edu>
4595 * config.gcc: Set default for xmake_file at top, not bottom.
4596 Change places that set xmake_file to "none" to set to the
4597 empty string instead, or remove them entirely if there is no
4598 default xmake_file for this cpu_type. Remove references to
4601 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
4602 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
4603 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
4604 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
4605 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
4606 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
4607 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
4608 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
4609 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
4610 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
4613 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
4614 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4615 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4616 config/mips/x-sysv, config/rs6000/x-aix31:
4617 Just set CLIB to -lld or -lmld, as appropriate.
4619 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
4620 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
4621 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
4622 config/mips/x-iris, config/pa/x-pa:
4623 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
4624 OTHER_FIXINCLUDES_DIRS.
4626 * config/i386/x-djgpp: Don't set LN or LN_S.
4627 * config/m88k/x-dolph: Don't define __m88k__.
4628 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
4629 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
4630 * config/i860/fx2800.h: No need to #undef SVR4.
4632 38 x-host fragments remain, 2 x-cpu.
4634 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4636 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
4638 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4640 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
4642 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4644 * configure.in: Add check for lstat.
4645 * configure, config.in: Regenerate.
4646 * cppinit.c (append_include_chain): Make empty path ".".
4647 * cpplib.c (do_line): Don't simplify #line paths.
4648 * cppfiles.c (remove_component_p): New function.
4649 (find_or_create_entry): Acknowledge stat () errors during
4650 path simplification.
4651 (handle_missing_header): Don't simplify paths.
4652 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
4653 the empty path untouched. Don't leave a trailing '/'.
4655 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
4657 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4658 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4660 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
4662 * cppfiles.c (open_file): Fail directories silently, but
4663 with an errno of NOENT set.
4664 (read_include_file): Move the common exit code to the sole
4665 caller. Return an int indicating success or failure. Let
4666 open_file handle directories.
4667 (stack_include_file): If read_include_file fails,
4668 push a "null" buffer.
4670 2001-04-05 DJ Delorie <dj@redhat.com>
4672 * function.h (virtuals_instantiated): Declare.
4673 * function.c: (virtuals_instantiated): Make global.
4674 * calls.c (emit_library_call_value_1): Use
4675 virtual_outgoing_args_rtx only if it hasn't been instantiated.
4676 Otherwise, use the stack pointer directly.
4678 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4680 * i386.c (x86_initialize_trampoline): New global function.
4681 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
4682 (INITIALIZE_TRAMPOLINE): Move offline.
4683 * i386-protos.h (x86_initialize_trampoline): Declare.
4685 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4687 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
4688 (lea_0): Rename to lea_1.
4689 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
4690 (lea_general_?): Allow SImodes on TARGET_64BIT
4691 (lea_general_?_zext): New patterns.
4692 (call_1, call_1_rex64): Fix.
4694 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
4696 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
4698 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4700 * i386.c (function_arg): Return constm1_rtx for last argument.
4701 (ix86_expand_prologue): Update gen_call calls.
4702 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
4703 * i386.md (call_pop): Likewise.
4704 (call): Second operand is VOIDmode.
4705 (call_0): Likewise; Support 64bits.
4706 (call_exp): New expander.
4707 (call_1): Get to the sync.
4708 (call_1_exp): New pattern.
4709 (call_value): Support 64bit.
4710 (call_value_exp): New pattern.
4711 (untyped_call): Update gen_call call.
4712 (call_value_pop): Disable for 64bit.
4713 (call_value_0_rex64): New pattern.
4714 (call_value_1_rex64): Likewise.
4716 2001-04-05 Bo Thorsen <bo@suse.de>
4718 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
4720 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
4722 * i386.md (*andsi_1+3): If used after reload, make sure the operand
4723 satisfies ANY_QI_REG_P.
4725 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4727 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
4730 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
4733 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4735 * config.gcc: Remove default for xm_file. Clean up local
4736 machine type handling. Remove settings of xm_file to
4737 something that doesn't exist. In the big switch, set xm_file,
4738 don't append to it (the value before the big switch is always
4739 null). Don't force build_xm_file or host_xm_file to have a value.
4740 * configure.in: Remove default for xm_file. Do not special
4741 case $cpu/xm-$cpu.h not existing.
4742 * configure: Regenerate.
4744 2001-04-04 Diego Novillo <dnovillo@redhat.com>
4746 * simplify-rtx.c (simplify_binary_operation): Check for overflow
4747 when folding integer division and modulo operations.
4749 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
4751 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
4752 instead of DWARF2_ADDR_SIZE for EH addresses.
4753 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
4756 2001-04-04 Richard Henderson <rth@redhat.com>
4758 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
4759 * config/ia64/t-glibc (LIB2ADDEH): Disable.
4760 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
4762 2001-04-04 Richard Henderson <rth@redhat.com>
4764 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
4765 * configure: Rebuilt.
4767 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4769 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
4770 push insns to delete to it instead of deleting them.
4771 (delete_null_pointer_checks): Delete insns from delete_list after
4772 all delete_null_pointer_checks_1 passes are done.
4774 2001-04-04 Richard Henderson <rth@redhat.com>
4776 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
4777 * configure: Rebuilt.
4779 2001-04-04 Zack Weinberg <zackw@stanford.edu>
4781 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
4782 * config/romp/xm-romp.h: Delete.
4784 2001-04-04 Bernd Schmidt <bernds@redhat.com>
4786 * sched-deps.c (sched_analyze_insn): Partially revert March 27
4789 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4791 * emit-rtl.c (mark_label_nuses) Increment the label uses for
4792 all labels present in rtx.
4793 (try_split) Call new function for all split insns.
4795 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4797 * recog.c (validate_replace_rtx_1): Instead of aborting just make
4798 sure the change won't be validated.
4800 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
4802 * rtl.h (set_noop_p): Declare.
4803 * flow.c (set_noop_p): Move from here ...
4804 * rtlanal.c (set_noop_p): ... to here and enhance.
4805 * cse.c (delete_trivially_dead_insns): Use it.
4806 * gcse.c (hash_scan_set): Likewise.
4807 * jump.c (delete_noop_moves): Likewise.
4808 * recog.c (split_all_insns): Likewise.
4810 2001-04-04 Alan Modra <alan@linuxcare.com.au>
4812 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
4813 stack pointer via a LO_SUM. Ditto for setting a temp register
4814 used to save to the stack. Set cfa_temp when setting fp, and
4815 allow matches to cfa_temp in addition to cfa_store when saving
4816 regs. Handle POST_INC and LO_SUM register stores. Document the
4817 changes and errors in rule 12 doco.
4819 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
4820 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
4821 (load_reg): Move closer to epilogue code.
4822 (DO_FRAME_NOTES): Define to control the following..
4823 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
4824 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
4826 (hppa_expand_epilogue): Likewise.
4828 2001-04-03 Richard Henderson <rth@redhat.com>
4830 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
4831 * configure: Rebuild.
4833 2001-04-03 Richard Henderson <rth@redhat.com>
4835 * rtl.h (LCT_THROW): New.
4836 * calls.c (emit_library_call_value_1): Handle it.
4837 * except.c (connect_post_landing_pads): Use it.
4839 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4841 * gansidecl.h: Delete file.
4842 * configure.in: Change all refs to gansidecl.h to use
4843 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
4845 * configure: Regenerate.
4847 * Makefile.in (intl.o): Don't depend on gansidecl.h.
4848 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
4849 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
4850 Don't include gansidecl.h.
4851 * intl.c, main.c, version.c, fixinc/fixlib.h,
4852 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
4855 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4857 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
4860 2001-04-03 Zack Weinberg <zackw@stanford.edu>
4862 * config/i386/xm-beos.h, config/i386/xm-isc.h,
4863 config/i386/xm-next.h, config/i386/xm-sco.h,
4864 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
4865 config/m88k/xm-m88k.h: Delete.
4867 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
4868 * config/romp/xm-romp.h: Don't define bcopy.
4869 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
4870 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
4872 * config.gcc: Remove references to deleted files.
4874 14 xm-host.h remain, 1 xm-cpu.h.
4876 2001-04-03 Jakub Jelinek <jakub@redhat.com>
4877 David S. Miller <davem@pierdol.cobaltmicro.com>
4878 Andrew MacLeod <amacleod@redhat.com>
4880 Use byte offsets in SUBREGs instead of words.
4882 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
4883 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
4884 to pass new argument.
4885 (add_stored_regs): Use subreg_regno_offset function.
4886 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
4888 (precompute_arguments): Use gen_lowpart_SUBREG.
4889 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
4890 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
4891 (simplify_set): Rework to use SUBREG_BYTE.
4892 (expand_field_assignment): Use SUBREG_BYTE.
4893 (make_extraction): Use SUBREG_BYTE.
4894 (if_then_else_cond): Use SUBREG_BYTE.
4895 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
4896 (gen_lowpart_for_combine): Compute full byte offset.
4897 * cse.c (mention_regs): Use SUBREG_BYTE.
4898 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
4899 (canon_hash): Use SUBREG_BYTE.
4900 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
4901 (gen_lowpart_if_possible): Formatting.
4902 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
4904 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4905 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4906 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4907 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
4908 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4909 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
4910 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
4911 certain invariants about SUBREGs the compiler creates.
4912 (gen_lowpart_SUBREG): New function.
4913 (subreg_hard_regno): New function to get the final register number.
4914 (gen_lowpart_common): Use SUBREG_BYTE.
4915 (gen_imagpart): Spacing nits.
4916 (subreg_realpart_p): Use SUBREG_BYTE.
4917 (gen_highpart): Use SUBREG_BYTE.
4918 (subreg_lowpart_p): Always compute endian corrected goal offset,
4919 even at the byte level, then compare against that.
4920 (constant_subword): New function, pulled out all constant cases
4921 from operand_subword and changed second argument name to offset.
4922 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
4923 and call constant_subword to do the work. Return const0_rtx if
4924 looking for a word outside of OP.
4925 (operand_subword_force): Change second arg name to offset.
4926 * expmed.c (store_bit_field): Use SUBREG_BYTE.
4927 (store_split_bit_field): Use SUBREG_BYTE.
4928 (extract_bit_field): Use SUBREG_BYTE.
4929 (extract_split_bit_field): Use SUBREG_BYTE.
4930 (expand_shift): Use SUBREG_BYTE.
4931 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
4932 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
4933 * flow.c (set_noop_p): Use SUBREG_BYTE.
4934 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
4935 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
4936 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
4938 (optimize_bit_field): Use SUBREG_BYTE.
4939 (purge_addressof_1): Use SUBREG_BYTE.
4940 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
4941 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
4942 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
4943 * gengenrtl.c (special_rtx): Add SUBREG.
4944 * global.c (mark_reg_store): Use SUBREG_BYTE.
4945 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
4946 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
4947 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
4948 final byte offset is congruent to subreg's mode size.
4949 (subst_constants): Use SUBREG_BYTE.
4950 (mark_stores): Use subreg_regno_offset function.
4951 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
4952 function and SUBREG_BYTE.
4953 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
4954 (reg_is_born): Use subreg_hard_regno.
4955 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
4956 endian correction code. Don't combine subregs unless resulting
4957 offset aligns with type. Fix subreg constant extraction for DImode.
4958 Simplify SUBREG of VOIDmode CONST_DOUBLE.
4959 (general_operand): Remove dead mode_altering_drug code.
4960 (indirect_operand): Use SUBREG_BYTE.
4961 (constrain_operands): Use subreg_regno_offset function.
4962 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
4963 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
4964 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
4965 * regs.h (REG_SIZE): Allow target to override.
4966 (REGMODE_NATURAL_SIZE): New macro which target can override.
4967 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
4968 on the entire subreg rtx.
4969 (push_reload): Use SUBREG_BYTE in comments and code.
4970 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
4971 for hard registers inside subregs.
4972 (operands_match_p): Use subreg_regno_offset.
4973 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
4974 containing hard regs.
4975 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
4976 corrections when fixing up MEM subregs.
4977 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
4978 subreg_regno_offset where appropriate.
4979 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
4980 byte endian corrections when fixing up MEM subregs.
4981 (subst_reloads): When combining two subregs, make sure final
4982 offset is congruent to subreg's mode size.
4983 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
4984 (refers_to_regno_for_reload_p): Use subreg_regno.
4985 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
4986 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
4987 correction code for memory subreg fixups.
4988 (forget_old_reload_1): Use subreg_regno_offset.
4989 (choose_reload_regs): Use subreg_regno.
4990 (emit_input_reload_insns): Use SUBREG_BYTE.
4991 (reload_combine_note_store): Use subreg_regno_offset.
4992 (move2add_note_store): Use subreg_regno_offset.
4993 * resource.c (update_live_status, mark_referenced_resources): Use
4994 subreg_regno function.
4995 (mark_set_resources): Use subreg_regno function.
4996 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
4997 (subreg_regno_offset, subreg_regno): Define prototypes.
4998 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
4999 (gen_lowpart_SUBREG): Add prototype.
5000 * rtl.texi (subreg): Update to reflect new byte offset representation.
5001 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
5002 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
5003 (reg_overlap_mentioned_p): Use subreg_regno.
5004 (replace_regs); Make sure final offset of combined subreg is
5005 congruent to size of subreg's mode.
5006 (subreg_regno_offset): New function.
5007 (subreg_regno): New function.
5008 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
5009 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
5010 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
5011 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
5012 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
5013 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
5014 (a29k_get_reloaded_address): Use SUBREG_BYTE.
5015 (print_operand): Use SUBREG_BYTE.
5016 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
5017 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
5018 (arm_reload_out_hi): Use SUBREG_BYTE.
5019 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
5020 instead of SUBREG_WORD.
5021 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
5022 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
5023 SUBREG creation to use byte offset.
5024 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
5025 inverted load insns): Fix explicit rtl subregs to use byte
5027 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
5028 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
5029 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
5030 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
5031 to use byte offsets.
5032 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
5033 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
5034 offsets, also make sure it is congruent to SUBREG's mode size.
5035 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
5036 unnamed ldob insn): Generate SUBREGs with byte offset.
5037 (zero_extendqihi2): SUBREG's are byte offsets.
5038 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
5039 (m68hc11_gen_highpart): Use SUBREG_BYTE.
5040 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
5041 zero-extendqisi2): Generate SUBREGs with byte offset.
5042 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
5043 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
5044 subregs in rtl to use byte offsets.
5045 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
5046 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
5047 (mips_move_2words): Use subreg_regno_offset.
5048 (mips_secondary_reload_class): Use subreg_regno_offset.
5049 * config/mips/mips.md (DImode plus, minus, move, and logical op
5050 splits): Fixup explicit subregs in rtl to use byte offsets.
5051 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
5052 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
5053 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
5054 rtl to use byte offsets.
5055 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
5056 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
5057 subregs to use byte offsets.
5058 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
5059 Fixup explicit subregs in rtl to use byte offsets.
5060 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
5061 and remove byte endian correction code.
5062 * config/sh/sh.c (output_movedouble): Use subreg_regno.
5063 (gen_ashift_hi): Use SUBREG_BYTE.
5064 (regs_used): Use subreg_regno_offset.
5065 (machine_dependent_reorg): Use subreg_regno_offset.
5066 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
5067 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
5068 (movdf_i4): Subregs are byte offsets now.
5069 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
5070 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
5071 (REGMODE_NATURAL_SIZE): Override.
5072 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
5073 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
5075 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
5076 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
5077 extendqidi2): Generate SUBREGs with byte offsets, also make sure
5078 it is congruent to SUBREG's mode size.
5079 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
5081 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
5082 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
5083 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
5084 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
5085 * config/v850/v850.c (print_operand, output_move_double): Use
5086 subreg_regno function.
5088 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
5090 * configure.in (target_subdir): Use target_alias, not target.
5091 * configure: Rebuilt.
5093 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
5095 * config/sh/crti.asm: Fix typos in comments.
5097 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5099 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
5100 TARGET_FAST_INDIRECT_CALLS.
5101 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
5103 (return_addr_rtx): Short circuit export stub matching when
5104 TARGET_NO_SPACE_REGS.
5105 (output_millicode_call): For out of range calls, make -fPIC
5106 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
5107 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
5108 * pa.md: Modify length attr calculation of all millicode insns to
5111 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
5113 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
5114 Require at least 2.11 in the version test. Specifically check
5115 for and reject GAS version 2.10.90.
5116 * configure: regenerate.
5118 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5120 * pa.c (override_options): Remove PIC profiling warning.
5121 (hp_profile_labelno): Delete.
5122 (hp_profile_label_rtx): Delete.
5123 (hp_profile_label_name): Delete.
5124 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
5125 (output_function_prologue): Remove profiling code and all tests on
5126 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
5127 merge_sp_adjust_with_store can work for PIC and profiling.
5128 (hppa_expand_epilogue): Remove profile_flag test.
5129 (hppa_can_use_return_insn_p): Likewise.
5130 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
5131 cater for PROFILE_HOOK.
5132 (hppa_profile_hook): New function.
5133 * pa.h (FUNCTION_PROFILER): Now does nothing.
5134 (PROFILE_HOOK): Define.
5135 (hppa_profile_hook): Declare.
5136 (PROFILE_BEFORE_PROLOGUE): Delete.
5137 (ASM_OUTPUT_REG_PUSH): Delete.
5138 (ASM_OUTPUT_REG_POP): Delete.
5139 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
5140 r24. Accept function name operand, and use this and a locally
5141 generated label to calculate pc-rel offset to func start.
5143 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5145 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
5146 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
5149 2001-04-03 Alan Modra <alan@linuxcare.com.au>
5151 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
5152 LO_SUM cases to where they belong.
5154 2001-04-02 Richard Henderson <rth@redhat.com>
5156 * except.h (lang_eh_type_covers): Mark extern.
5157 (lang_eh_runtime_type): Likewise.
5159 2001-04-02 Zack Weinberg <zackw@stanford.edu>
5161 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
5162 gengenrtl.c: Wrap generated header in multiple-include guard.
5163 Improve error checking.
5165 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5167 * configure.in: Don't check for putenv.
5168 * configure: Regenerate.
5169 * gcc.c (putenv): Don't define.
5170 * vax/xm-vms.h: Handle putenv.
5172 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5174 * ifcvt.c (noce_emit_move_insn): New.
5175 (noce_try_store_flag, noce_try_store_flag_constants,
5176 noce_try_store_flag_inc, noce_try_store_flag_mask,
5177 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
5178 noce_try_abs): Use it.
5179 (noce_process_if_block): Likewise.
5180 For STRICT_LOW_PART, take mode from its SUBREG.
5182 2001-04-02 Jakub Jelinek <jakub@redhat.com>
5184 * fold-const.c (fold): Before optimizing unsigned comparison with
5185 0x7fffffffU, make sure arg0 is integral type.
5187 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
5189 * c-tree.texi: Document representation of wide strings.
5191 2001-04-01 Richard Henderson <rth@redhat.com>
5193 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
5195 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
5197 * i386.md: remove obsoleted comments.
5198 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
5199 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
5200 fix output template.
5202 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
5204 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
5206 2001-03-30 Bernd Schmidt <bernds@redhat.com>
5208 * loop.c (load_mems): When generating a load from a pseudo, update
5211 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5213 * i386.c (ix86_split_long_move): Use change address to compensate
5214 stack pointer change in push instruction.
5216 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5218 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
5219 instead of rtx_equal_p; fix the output template.
5221 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
5223 * i386.c (ix86_expand_setcc): Support 64bit.
5224 (ix86_expand_int_movcc): Likewise.
5225 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
5228 * i386.md (allocate_stack_worker): Turn to expander.
5229 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
5231 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
5233 2001-03-29 Richard Henderson <rth@redhat.com>
5235 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
5237 2001-03-28 Matthew Hiller <hiller@redhat.com>
5239 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
5242 * MAINTAINERS: Added self.
5244 2001-03-28 Richard Henderson <rth@redhat.com>
5246 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
5247 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
5249 2001-03-28 Jim Wilson <wilson@redhat.com>
5251 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
5254 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5256 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
5258 * tradcif.y (yyerror): Likewise. Add format specifier in call to
5261 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
5263 2001-03-28 DJ Delorie <dj@redhat.com>
5265 * Makefile.in (stage1_build): Revert CFLAGS patch.
5267 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
5269 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
5270 when multiplier or multiplicand is zero.
5272 2001-03-28 Bernd Schmidt <bernds@redhat.com>
5274 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
5276 * config/ia64/ia64.c (update_set_flags): New function, broken out of
5278 (set_src_needs_barrier): Likewise.
5279 (rtx_needs_barrier): For SET case, use these two functions. Rework
5280 PARALLEL case to handle all inputs before all outputs.
5281 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
5282 saw a label and no stop bit since then.
5283 (maybe_rotate, process_epilogue): Add prototypes.
5285 2001-03-28 Richard Henderson <rth@redhat.com>
5287 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
5288 not TARGET_TOC for special toc restore handling.
5289 * config/rs6000/rs6000.md (eh_return): Likewise.
5291 2001-03-28 Richard Henderson <rth@redhat.com>
5293 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
5294 current_function_calls_eh_return.
5295 (output_function_epilogue): Handle eh_return.
5296 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
5297 (EH_RETURN_DATA_REGNO): New.
5298 (EH_RETURN_STACKADJ_RTX): New.
5299 (EH_RETURN_HANDLER_RTX): New.
5300 * config/sparc/sparc.md (call/short branch peepholes): Check
5301 can_throw_internal instead of in_same_eh_region.
5303 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
5304 for eh_return data registers.
5305 (rs6000_emit_prologue): Save eh_return data registers.
5306 (rs6000_emit_epilogue): Force inline restores if eh_return.
5307 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
5308 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
5309 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
5310 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
5311 the target uses one.
5312 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
5313 (return_eh_si, return_eh_di): Remove.
5314 (eh_return): New, from corpse of eh_epilogue.
5315 (eh_set_lr_si, eh_set_lr_di): New.
5317 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
5318 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
5319 True for pic register if current_function_calls_eh_return.
5320 (ix86_expand_epilogue): Change "emit_return" argument into "style".
5321 Handle eh_return requirements.
5322 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
5323 (EH_RETURN_STACKADJ_RTX): New.
5324 * config/i386/i386.md (exception_receiver): Remove.
5325 (eh_return, eh_return_1): New.
5326 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5328 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
5329 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
5330 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
5331 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
5332 (EH_RETURN_DATA_REGNO): New.
5333 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
5334 * config/alpha/alpha.md (eh_epilogue): Remove.
5335 (exception_receiver): Use $26 for ldgp input.
5336 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
5338 2001-03-28 Richard Henderson <rth@redhat.com>
5340 * except.c: Rewrite entirely for IA-64 ABI exception handling.
5341 * except.h: Likewise.
5343 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
5344 (LIB2ADDEHDEP): New.
5345 (LIB2FUNCS_EH): Remove.
5346 (LIB2ADD): Remove LIB2ADDEH.
5347 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
5348 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
5349 (crt{begin,end}[S].o): Likewise.
5350 (except.o): Update includes.
5351 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
5352 (libgcc2_c_dep): Use LIB2ADDEHDEP.
5354 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
5355 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
5356 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
5357 * builtins.c (expand_builtin): Implement it.
5358 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
5359 * c-common.c (c_common_nodes_and_builtins): Declare it.
5360 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
5361 * calls.c (libfunc_nothrow): Remove.
5362 (emit_library_call_value_1): Don't call it.
5363 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
5364 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
5365 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
5366 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
5367 (current_funcdef_number): Globalize.
5368 (output_call_frame_info): Emit frame data if an lsda is needed.
5369 Generate augmentation for personality routine. Don't play with
5371 (dwarf2out_begin_prologue): Record funcdef_number.
5372 * dwarf2out.h (current_funcdef_number): Declare.
5373 * expr.c (expand_expr): Update for except.h name changes.
5374 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
5375 * expr.h (LTI_throw, LTI_rethrow): Remove.
5376 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
5377 (LTI_eh_rtime_match): Remove.
5378 (LTI_unwind_resume, LTI_eh_personality): Add.
5379 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
5380 * final.c (final): Don't call check_exception_handler_labels,
5381 init_insn_eh_region, or free_insn_eh_region.
5382 (final_scan_insn): Always emit debug labels for
5383 NOTE_INSN_EH_REGION notes.
5384 * flags.h (flag_new_exceptions): Remove.
5385 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
5386 (record_active_eh_regions): Remove.
5387 (count_basic_blocks): Check all instructions for REG_EH_REGION.
5388 Use can_throw_internal.
5389 (find_basic_blocks_1): Likewise.
5390 (move_stray_eh_region_notes): Remove.
5391 (find_label_refs): No eh_return_stub_label.
5392 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
5393 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
5395 (delete_unreachable_blocks): Don't track deleted handlers.
5396 (flow_delete_block): Use maybe_remove_eh_handler.
5397 (delete_eh_regions): Remove.
5398 (merge_blocks): Don't check for eh region match.
5399 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
5400 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
5401 (init_propagate_block_info): Disable dead frame store optimization
5402 when current_function_calls_eh_return.
5403 (dump_bb): Don't print eh_beg, eh_end.
5404 * function.c (fixup_var_refs): No catch_clauses.
5405 (expand_function_end): Likewise. Call expand_eh_return before
5406 the return register use. Call sjlj_emit_function_exit_after.
5407 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
5408 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
5409 * ifcvt.c (dead_or_predicable): Remove eh region check.
5410 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
5411 Don't check for EH vs parameters.
5412 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
5413 (expand_inline_function): Call duplicate_eh_regions.
5414 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
5415 (copy_insn_notes): Remap REG_EH_REGION notes.
5416 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
5417 * integrate.h (struct inline_remap): Add local_return_label.
5418 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
5419 check_exception_handler_labels, nor exception_optimize.
5420 (find_cross_jump): No EH region check.
5421 * optabs.c (init_optabs): Update for changed eh libfuncs.
5422 * rtl.def (RESX): New.
5423 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
5424 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
5425 checks. Update for except.h name changes.
5426 (expand_cleanups): Likewise.
5427 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
5428 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
5429 (compile_file): Call init_eh before init_optabs. Don't
5430 output_exception_table here.
5431 (rest_of_compilation): Call convert_from_eh_region_ranges,
5432 convert_to_eh_region_ranges, output_function_exception_table.
5433 Don't emit_eh_context.
5434 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
5435 (EXC_PTR_EXPR): New.
5437 * md.texi (eh_epilogue): Remove.
5438 (eh_return): Document.
5439 * tm.texi (EH_RETURN_DATA_REGNO): Document.
5440 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
5442 * eh-common.h: Remove file.
5443 * frame-dwarf2.c, frame.c, frame.h: Remove files.
5444 * libgcc2.c (L_eh): Remove.
5446 * unwind-dw2-fde.c: New file, largely copied from frame.c.
5447 * unwind-dw2-fde.h: New file.
5448 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
5449 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
5450 * libgcc-std.ver: Update for eh symbols.
5452 2001-03-27 Richard Henderson <rth@redhat.com>
5454 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
5455 reduce false positives.
5456 (regmove_optimize): Disable if flag_non_call_exceptions.
5458 * stmt.c (expand_return): Remove always true predicate.
5459 (expand_decl_cleanup_no_eh): Remove dead code.
5461 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
5462 barrier code. Add a scheduling barrier if a non-call insn
5463 can throw internally.
5465 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
5466 Auto-inc addresses trap only if their base register does.
5468 * except.c (can_throw_internal): Rename from can_throw.
5469 * except.h, resource.c: Update references.
5471 * integrate.c (copy_insn_list): Use returnjump_p.
5472 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
5474 * function.h (struct function): Move all boolean valued fields
5475 to single bit fields at the end of the struct.
5477 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
5479 Rename asynchronous_exceptions to flag_non_call_exceptions.
5481 * gthr-single.h (UNUSED): New. Distinguish between how C
5482 and C++ mark unused function arguments. Use throughout.
5484 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
5485 value to target configuration header.
5486 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
5487 * config.in, configure: Rebuild.
5488 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
5489 configuration and target defines.
5490 (exceptions_via_longjmp): Remove.
5491 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
5492 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
5494 * except.h (flag_non_call_exceptions): Move ...
5495 * flags.h: ... here.
5497 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
5498 exceptions, put the note on the trapping instruction.
5500 * flags.h (flag_new_exceptions): Remove.
5501 * toplev.c: Don't set it.
5502 * final.c: Don't check it.
5503 * except.c: Provide stub definition.
5505 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
5506 (calculate_global_regs_live): Kill call-clobbered registers
5507 across exception edges.
5508 * reg-stack.c (convert_regs_1): Kill the entire target stack
5509 across non-call exception edges.
5511 * flow.c (cleanup_cfg): Take no argument.
5512 * output.h, sibcall.c, toplev.c: Update all calls.
5514 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5516 * configure.in: Don't check for bcopy.
5517 * configure, config.in: Regenerate.
5519 * system.h: Don't define or prototype bcopy, instead poison it.
5521 2001-03-27 Richard Henderson <rth@redhat.com>
5523 * function.c (expand_function_start): Set DECL_REGISTER on
5524 a pseudo used for DECL_RESULT.
5526 * rtl.h (LCT_NORETURN): New.
5527 * calls.c (emit_library_call_value_1): Handle it.
5529 2001-03-27 Stan Shebs <shebs@apple.com>
5531 * objc/objc-act.c (objc_init): Use dump_base_name.
5532 (gen_declaration): Clear the buffer arg.
5533 (gen_declaration_1): New function, body of gen_declaration.
5534 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
5535 (gen_method_decl): Ditto, plus always clear buffer arg.
5536 (error_with_ivar): Simplify.
5537 (warn_with_method): Ditto.
5538 (build_message_expr): Don't clear buffers.
5539 (dump_interface): Ditto.
5540 (objc_debug): Ditto.
5541 (build_keyword_selector): Clear the buffer by only zeroing
5543 (objc_implementation_context): Declare.
5544 (start_class): Warn about missing @end.
5545 (finish_objc): Ditto.
5547 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
5549 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
5551 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5553 * Makefile.in (SYSTEM_H): Define.
5554 Depend on $(SYSTEM_H), not system.h.
5556 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
5558 2001-03-27 Jim Wilson <wilson@redhat.com>
5560 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
5562 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
5563 (process_epilogue): New static function.
5564 (process_set): Call process_epilogue instead of emitting .restore
5566 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
5568 * flow.c (struct reg_cond_life_info): New fields orig_condition
5570 (init_propagate_block_info): Set new fields.
5571 (mark_regno_cond_dead): Set and use new fields.
5572 (flush_reg_cond_reg_1): Likewise.
5573 (and_reg_cond, case AND): Check for redundant AND conditions.
5574 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
5577 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
5579 * cppmacro.c (stringify_arg): Null terminate strings.
5581 2001-03-27 Zack Weinberg <zackw@stanford.edu>
5583 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
5584 inclusion style. xm-m68hc11.h no longer exists.
5585 * config/m68hc11/xm-m68hc11.h: Delete file.
5586 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
5588 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
5589 Don't define GCC_VERSION, N_, or PARAMS; don't include
5590 gansidecl.h or stdio.h. Define inhibit_libc here.
5591 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5592 Delete code conditioned on #if GCC_VERSION == 2095.
5594 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
5595 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
5596 Delete code conditioned on #if GCC_VERSION == 2095.
5598 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5600 * system.h: Include symcat.h.
5601 (STRINGIFY): Don't define.
5603 * configure.in: Adjust comment.
5605 * builtins.c: Use STRINGX, not STRINGIFY.
5606 * gencheck.c: Likewise.
5607 * gengenrtl.c: Likewise.
5608 * protoize.c: Likewise.
5610 * cpplex.c: Don't include symcat.h.
5611 * cpplib.c: Likewise.
5613 * gansidecl.h (HAVE_STRINGIZE): Don't define.
5615 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5617 * c-typeck.c (digest_init): Fold init expression.
5619 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5621 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
5623 2001-03-27 Alan Modra <alan@linuxcare.com.au>
5625 * except.c (eh_regs): Save results of build_pointer_type to a temp
5626 as FUNCTION_VALUE macro may evaluate its args multiple times.
5628 2001-03-26 Mark Mitchell <mark@codesourcery.com>
5630 * c-common.h (DECL_NUM_STMTS): New macro.
5631 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
5633 (pushdecl): Likewise.
5634 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
5635 * integrate.c (expand_inline_function): Don't check
5637 * print-tree.c (print_node): Don't print it.
5638 * toplev.c (rest_of_compilation): Don't try to inline when
5639 flag_no_inline is on.
5640 * tree.h (DECL_FRAME_SIZE): Remove.
5641 (tree_decl): Adjust accordingly.
5643 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5645 * combine.c (try_combine): Use memcpy, not bcopy.
5647 * genattrtab.c (expand_units): Likewise.
5649 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5651 * i386.md (push mem DI peep2): New.
5652 (mov 0, mov -1 peep2): Handle 64bit.
5653 (lea to arithmetics peep2): Handle 64bit leas.
5654 (rsp arithmetics to push/pop peep2s): New.
5656 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
5658 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5660 * i386.c (struct machine_function): Add save_varrargs_registers.
5661 (ix86_save_varrargs_registers): New macro.
5662 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
5663 (ix86_expand_prologue): Likewise.
5664 (ix86_emit_epilogue_esp_adjustement): Likewise.
5665 (ix86_expand_epilogue): Likewise.
5666 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
5667 (pro_epilogue_adjust_stack_1): New insn.
5668 (pro_epilogue_adjust_stack_rex64): Likewise.
5669 * i386.h (MASK_NO_RED_ZONE): New constant.
5670 (TARGET_RED_ZONE): New macro.
5671 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
5672 (RED_ZONE_SIZE): New constant.
5673 (RED_ZONE_RESERVE): New constant.
5675 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5677 * toplev.c (set_float_handler): Use memcpy, not bcopy.
5679 2001-03-25 Kazu Hirata <kazu@hxi.com>
5681 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
5684 (umodhi3): Likewise.
5687 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5689 * mkconfig.sh (DEFINES): Handle entries with '='.
5691 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
5692 Set xm_defines to MACRO=value instead.
5694 * i370/xm-mvs.h: Delete.
5696 * ns32k/xm-pc532-min.h: Likewise.
5698 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5700 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
5702 use ix86_expand_binary_operator
5703 (?sh??i_?): Disable for 64bit.
5704 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
5705 * i386.c (shiftdi_operand): New predicate.
5707 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
5708 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
5709 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
5710 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
5711 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
5712 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
5713 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
5714 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
5715 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
5716 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
5717 (rotldi3, rotrdi3): New expanders.
5719 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5721 * i386.md (movstrsi): Move offline.
5723 (strmovdi_rex64): New.
5724 (strmov?i): Accept 64bit.
5725 (strmov?i_rex64): New.
5726 (strmov?i_rex_1): New.
5727 (strmov?i_1): Disable for 64bit.
5728 (rep_mov?i_rex64): New.
5729 (rep_mov?i): Disable for 64bit.
5730 (clrstrsi): Move offline.
5731 (strset?i_rex64): New.
5732 (strset?i: Accept 64bit.
5733 (rep_stos?i): Disable for 64bit.
5734 (rep_stos?i_rex64): New.
5735 (strset?i_rex_1): New.
5736 (strset?i_1): Disable for 64bit.
5737 (cmpstrsi): Accept 64bit.
5738 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
5739 (cmpstrqi_nz_rex_1): New.
5740 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
5741 (strlensi): Move offline.
5743 (strlenqi_1): Disable for 64bit; fix constraints.
5744 (strlenqi_rex_1): New.
5745 * i386.c (ix86_adjust_counter): New static function.
5746 (ix86_zero_extend_to_Pmode): Likewise.
5747 (ix86_expand_aligntest): Likweise.
5748 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
5749 (ix86_expand_movstr): New global function.
5750 (ix86_expand_clrstr): New global function.
5751 (ix86_expand_strlen): New global function.
5752 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
5753 ix86_expand_strlen): Declare.
5754 (ix86_expand_strlensi_unroll_1): Delete.
5756 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
5758 * i386.md (cmpdi): Fix operand predicates.
5759 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
5760 cmpdi_1_insn_rex64): New patterns.
5761 (adddi3): Turn to expander.
5762 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
5763 (addsi3_carry_zext): New pattern.
5764 (adddi_?_rex64): New patterns and splitters.
5765 (addsi_?_zext): New patterns.
5766 (subsi3_carry_zext): New pattern.
5767 (subdi_?_rex64): New patterns and splitters.
5768 (iorsi_?_zext): New patterns.
5769 (iordi_?_rex64): New patterns and splitters.
5770 (iorsi_?_zext): New patterns.
5771 (iorsi_?_zext_imm): New patterns.
5772 (xorsi_?_zext): New patterns.
5773 (xordi_?_rex64): New patterns and splitters.
5774 (xorsi_?_zext): New patterns.
5775 (negdi*): New patterns.
5776 (one_cmpldi*): Likewise.
5777 (one_cmplsi*_zext, negsi*_zext): Likewise.
5778 (testqi_ext_3_rex64): New pattern.
5780 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
5782 * i386-protos.h (ix86_split_long_move): Return void.
5783 * i386.c (ix86_split_to_parts): Handle 64bit target.
5784 (ix86_split_long_move): Likewise.
5785 * i386.md (all calls to ix86_split_long_move): Update.
5787 2001-03-23 Richard Henderson <rth@redhat.com>
5789 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
5790 to avoid shadowing arguments.
5792 2001-03-23 Jakub Jelinek <jakub@redhat.com>
5794 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
5795 to variable names where DECL_NAME is different from
5796 DECL_ASSEMBLER_NAME.
5798 2001-03-23 Jim Wilson <wilson@redhat.com>
5800 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
5801 (assemble_alias): Call make_decl_rtl.
5803 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
5805 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
5807 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
5809 * extend.texi: Document the "java_interface" attribute.
5811 2001-03-22 Zack Weinberg <zackw@stanford.edu>
5813 * mkconfig.sh: Use a subshell with redirected stdout,
5814 instead of closing stdout and confusing commands that run
5815 afterward. Throw away output of cmp.
5817 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
5819 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
5821 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
5823 * i386.md (zero_extendsidi2_32): Break out from ...
5824 (zero_extendsidi2): ... here ; turn to expander.
5825 (zero_extendsidi2_rex64): New.
5826 (extendsidi2_32): Break out from ...
5827 (extendsidi2): ... here ; turn to expander.
5828 (extendsidi2_rex64): New.
5829 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
5830 (trunc?f?f splitters): Add 64bit versions.
5832 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
5834 * i386.md (pushsi, pushsi2_prologue): Disable.
5835 (pushsi2_rex64): New.
5836 (movabs?i_1_rex64, movabs?i_2_rex64): New.
5837 (movqi_ext_1): Disable for 64bit.
5838 (movqi_ext_1_rex64): New.
5839 (pushdi2_rex64): New pattern, peep2s and splitter.
5840 (pushdi2_prologue_rex64): New pattern.
5841 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
5843 (movdi splitters): Disable for 64bit.
5844 (movdi_1_rex64): New pattern, peep2s and splitters.
5845 (swapdi): New pattern.
5846 (pushsf): Disable for 64bit.
5847 (pushsf_rex64): New pattern and splitter.
5848 (pushdf_nointeger): Disable for 64bit.
5849 (pushdf_integer): Handle the 64bit case.
5850 (pushtf): Likewise; update splitters.
5852 2001-03-22 Richard Henderson <rth@redhat.com>
5854 * mkconfig.sh: Include insn-flags.h.
5855 * Makefile.in (CONFIG_H): Include insn-flags.h.
5856 (lots of objects): Remove insn-codes.h and insn-flags.h.
5858 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
5859 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
5860 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
5861 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
5862 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
5863 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
5864 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
5865 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
5866 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
5867 v850/v850.c, vax/vax.c:
5868 Don't include insn-flags.h.
5870 * diagnostic.c, expr.h, reload.c, toplev.c:
5871 Don't include insn-codes.h.
5873 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
5874 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
5875 c4x/c4x.c, i960/i960.c, mips/mips.c:
5876 Don't include insn-codes.h or insn-flags.h.
5878 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
5879 or insn-flags.h in the generated code.
5880 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
5881 (main): Forward declare struct rtx_def.
5883 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
5885 * invoke.texi (-ffast-math): Remove duplicate line about
5888 * gcc.texi: Remove more obsolete documentation of bugs and
5889 installation problems.
5891 2001-03-21 Kazu Hirata <kazu@hxi.com>
5893 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
5896 2001-03-20 Jason Merrill <jason@redhat.com>
5898 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
5900 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
5901 * varasm.c (CHKR_PREFIX): Likewise.
5903 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5905 * gcse.c (hash_scan_set): An expression is not anticipatible if it
5906 is part of a multi-SET insn.
5908 * cse.c (find_comparison_args): Remove previous change.
5909 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
5912 * config/i386/i386.md (conditional_trap): Remove warning.
5914 * recog.c (push_operand): Fix error in last change that caused
5915 undefined symbol on many targets.
5917 * sdbout.c: #include ggc.h.
5918 (sdbout_init): Move to end of file.
5919 Call ggc_add_tree_root for anonymous_types.
5920 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
5921 (sdbout_one_type): Use DECL_NAME for field name.
5922 * Makefile.in (sdbout.o): Show includes ggc.h.
5924 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
5926 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
5927 (override_options): Use properlimits for preferred_stack_boundary.
5928 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
5930 (ext_register_operand): Accept DImode.
5931 (load_pic_register): Abort on 64bit.
5932 (gen_push): Use Pmode instead of SImode.
5933 (ix86_save_reg): Pic reg is never used on 64bit.
5934 (ix86_expand_prologue): Likewise.
5935 (ix86_emit_save_regs): Use Pmode instead of SImode.
5936 (legitimate_address_p): Check displacement for 64bit.
5937 (print_operand): Avoid outputting of (%rip) on 64bit.
5938 (print_operand_address): Output (%rip) where possible.
5939 (split_di): Abort on 64bit registers.
5940 (ix86_expand_branch): DImode comparison is simple for x86_64.
5941 (memory_address_length): Recognize memory addresses formed using
5943 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
5945 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
5947 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
5949 * recog.c (push_operand): Recognize new format of push instructions.
5951 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
5953 * i386.md (pushqi1): New.
5954 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
5955 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5956 x86_64_immediate_operand, x86_64_immediate_operand,
5957 x86_64_zext_immediate_operand): Declare.
5958 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
5959 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
5960 x86_64_immediate_operand, x86_64_immediate_operand,
5961 x86_64_zext_immediate_operand): define.
5962 * i386.h (PREDICATE_CODES): Add new predicates.
5964 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
5966 * i386.md (pophi1, popqi1, pushqi1): Remove.
5968 * expr.c (emit_single_push_insn): New function.
5969 (move_by_pieces): Accept NULL as destination for push instructions.
5970 (gen_push_operand): Kill.
5971 (emit_push_insn): Pass NULL when pushing; avoid updating of
5972 stack_pointer_delta.
5973 * expr.h (gen_push_operand): Kill.
5975 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5977 * rtl.texi (COMPARE): Clarify documentation and reference section
5980 2001-03-20 Stan Shebs <shebs@apple.com>
5982 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
5983 (get_object_reference): Ditto.
5984 (error_with_ivar): Use error_with_file_and_line.
5985 (warn_with_method): Use warning_with_file_and_line.
5987 2001-03-20 Tom Tromey <tromey@redhat.com>
5989 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
5991 2001-03-20 Mark Mitchell <mark@codesourcery.com>
5993 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
5994 variables that are TREE_PUBLIC, even if not TREE_STATIC.
5996 2001-03-20 DJ Delorie <dj@redhat.com>
5998 * Makefile.in (install-libgcc): Pass complete list of variables.
5999 (install-multilib): Ditto.
6001 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6003 * config/i386/cygwin.h: Declare ctor_section, dtor_section
6004 drectve_section, switch_to_section.
6006 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
6007 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
6008 i386_pe_mark_dllimport.
6010 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6012 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
6013 functions i386_pe_*.
6015 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
6016 i386_pe_* functions with char * arguments.
6018 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
6020 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
6022 (movsi_ie): Introduce fpul store.
6024 2001-03-20 Alan Modra <alan@linuxcare.com.au>
6026 * Makefile.in (OBJS): Remove hashtab.o.
6028 2001-03-19 Stan Shebs <shebs@apple.com>
6030 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
6031 * c-lang.c (maybe_objc_method_name): Ditto.
6032 * c-tree.h (maybe_objc_method_name): Remove decl.
6034 2001-03-19 Tom Tromey <tromey@redhat.com>
6036 * gcc.c (init_gcc_specs): Fix comment.
6038 2001-03-19 Mark Mitchell <mark@codesourcery.com>
6040 Compute DECL_ASSEMBLER_NAME lazily.
6041 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
6042 (DECL_ASSEMBLER_NAME_SET_P): New macro.
6043 (SET_DECL_ASSEMBLER_NAME): Likewise.
6044 (COPY_DECL_ASSEMBLER_NAME): Likewise.
6045 (set_decl_assembler_name): Declare.
6046 (lang_set_decl_assembler_name): Likewise.
6047 * tree.c (lang_set_decl_assembler_name): New variab.e
6048 (set_decl_assembler_name): New function.
6049 (init_obstacks): Set lang_set_decl_assembler_name.
6050 (build_decl): Don't set DECL_ASSEMBLER_NAME.
6051 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
6052 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
6053 where it's not necessary.
6054 (builtin_function): Likewise.
6055 (finish_decl): Likewise.
6056 * dbxout.c (dbxout_type_methods): Likewise.
6057 * ggc-common.c (ggc_mark_trees): Likewise.
6058 * profile.c (output_func_start_profiler): Likewise.
6059 * varasm.c (make_decl_rtl): Likewise.
6061 * cse.c (find_comparison_args): Update documentation. Fix
6062 mishandling of COMPARE operations.
6064 * tree.def (ABS_EXPR): Add documentation.
6065 * fold-const.c (fold): Improve folding of ABS_EXPRs.
6067 2001-03-19 Zack Weinberg <zackw@stanford.edu>
6069 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
6071 2001-03-19 Jakub Jelinek <jakub@redhat.com>
6073 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
6074 Remove ia32 linux PIC kludge and move it...
6075 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
6077 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
6079 * i386.md (absdf2 expander): Fix 64bit case.
6081 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
6083 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
6085 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
6087 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
6089 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6091 * README.X11: Remove obsolete file.
6093 2001-03-18 Anthony Green <green@redhat.com>
6095 * config/pj/pj.h: Remove some trailing commas.
6096 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
6098 2001-03-18 Richard Henderson <rth@redhat.com>
6100 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
6101 * calls.c: ... here.
6102 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
6103 defaults for them here.
6105 2001-03-17 Anthony Green <green@redhat.com>
6107 * config/pj/lib1funcs.S: Fix broken comment.
6108 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
6111 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
6113 * gcc.texi: Remove obsolete information relating to build and
6114 installation problems with enquire or the Pyramid C compiler.
6116 2001-03-17 Richard Henderson <rth@redhat.com>
6118 * dwarf2out.c (queue_reg_save): New.
6119 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
6120 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
6122 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
6123 (cfa, cfa_store, cfa_temp): Make static.
6124 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
6126 2001-03-17 Richard Henderson <rth@redhat.com>
6128 * integrate.h (struct inline_remap): Add local_return_label.
6129 * integrate.c (expand_inline_function): Initialize it and emit
6130 it after copy_insn_notes.
6131 (copy_insn_list): Don't store local_return_label here.
6132 (copy_insn_notes): New function split out from copy_insn_list.
6134 2001-03-17 Richard Henderson <rth@redhat.com>
6136 * dwarf2out.c (lookup_filename): Emit .file if the assembler
6137 is generating .debug_line.
6138 (dwarf2out_init): Add main_input_filename to the file table first.
6139 * configure.in (as_dwarf2_debug_line): Test with file number 1
6140 instead of file number 0.
6142 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6144 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
6145 (gen_rtx_combine): Deleted; all references changed as appropriate.
6146 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
6148 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
6150 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
6152 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
6155 2001-03-16 Jim Wilson <wilson@redhat.com>
6157 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
6158 then set it to LOC_REG (79) instead of aborting.
6160 2001-03-16 Phil Edwards <pme@sources.redhat.com>
6162 * gccbug.in: Remove high priority.
6164 2001-03-16 Richard Henerson <rth@redhat.com>
6166 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
6167 output with a space instead of deleting it.
6168 * configure: Regenerate.
6170 2001-03-16 Zack Weinberg <zackw@stanford.edu>
6172 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
6173 handles the gory details of converting an object file into
6174 something that's safe to grep.
6175 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
6176 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
6177 newlines at either end of the string we're looking for.
6178 Make 'checking ...' message less stilted.
6179 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
6180 ARM in-memory layout and its hypothetical converse. Don't
6181 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
6182 HOST_WORDS_BIG_ENDIAN.
6184 * configure.in: Adjust for renamed macro. Move
6185 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
6186 * configure, config.in: Regenerate.
6188 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6190 * fixinc/Makefile.in: Set SHELL.
6192 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6194 * fixinc/fixincl.c (fix_with_system): Quote file names before
6195 passing them to shell.
6197 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
6199 * Makefile.in: Use fix-header$(build_exeext) instead
6202 2001-03-16 Richard Henderson <rth@redhat.com>
6204 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
6205 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
6206 (size_of_line_prolog): Remove.
6207 (output_line_info): Compute prologue size via label difference.
6208 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
6210 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
6211 assembler error when redefining file numbers.
6212 * config.in, configure: Rebuild.
6214 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
6215 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
6216 (dw2_asm_output_delta_uleb128): Likewise.
6217 (dw2_asm_output_delta_sleb128): Similarly.
6218 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
6220 2001-03-16 Michael Meissner <meissner@redhat.com>
6222 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
6224 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
6226 (BITMASK_LOWER16): Replacement for 0x0000ffff.
6228 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
6229 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
6230 being unsigned in ISO C and signed in traditional.
6231 (expand_prologue): Ditto.
6232 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
6234 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
6236 (divsi3,divdi3): Ditto.
6237 (modsi3,moddi3): Ditto.
6238 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
6239 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
6240 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
6243 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
6245 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
6246 SSE based conditional moves on LTGT/UNEQ conditions;
6247 Canonicalize EQ to NE.
6248 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
6249 (sse_mov?fcc_ne): New.
6251 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
6253 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6255 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
6256 register may be dead.
6258 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
6260 * Makefile.in (hash.o): Depend on CONFIG_H.
6262 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6264 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
6266 2001-03-15 Richard Henderson <rth@redhat.com>
6268 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
6269 (ASM_OUTPUT_DWARF_PCREL): New.
6270 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
6272 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
6274 * cppfiles.c (stack_include_file): Use MAX of sysp.
6276 2001-03-15 Steve Ellcey <sje@cup.hp.com>
6278 * config.gcc (ia64*-*-hpux*): New case.
6279 * config/ia64/hpux.h: New file for HP-UX support.
6280 * config/ia64/t-hpux: New file for HP-UX support.
6282 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
6284 * fixinc/inclhack.def (irix_stdio_va_list): New.
6285 * fixinc/fixincl.x: Rebuilt.
6287 2001-03-15 Richard Henderson <rth@redhat.com>
6289 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
6290 if provided by the target.
6291 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
6292 (dw2_asm_output_addr): New.
6293 * dwarf2asm.h (dw2_asm_output_addr): Declare.
6294 * dwarf2out.c (output_cfi): Use it for program addresses.
6295 (output_call_frame_info, output_die): Likewise.
6296 (output_aranges, output_line_info): Likewise.
6298 2001-03-15 Bruce Korb <bkorb@gnu.org>
6300 * gcc.c(main): make more rigorous
6301 * collect2.c(main): guard against ignoring SIGCHLD
6302 * protoize.c(main): ditto
6303 * gcc/fixinc/fixincl.c(initialize): ditto
6305 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6307 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
6308 (sdbout_parms): Likewise.
6310 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
6312 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
6313 "widen" a destination that is already wider than a word. Also do
6314 not widen if LOAD_EXTEND_OP is NIL for the given mode.
6316 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6318 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
6320 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
6322 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
6324 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
6326 * i960.h (i960_maxbitalignment,
6327 i960_last_maxbitalignment): Declare.
6328 * i960.c (i960_maxbitalignment,
6329 i960_last_maxbitalignment): Make global.
6330 (process_pragma): Delete.
6331 (i960_pr_align, i960_pr_noalign): Move from here ...
6332 * i960-c.c: ... to this new file.
6333 * t-960bare (i960-c.o): New rule.
6334 * t-vxworks960 (i960-c.o): Likewise.
6335 * config.gcc (i960-*-*): Define c_target_objs and
6338 2001-03-15 Bernd Schmidt <bernds@redhat.com>
6340 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
6341 without adding in rtx code and mode.
6343 * alias.c (init_alias_analysis): Don't use any rtx whose value
6344 varies as a known value.
6345 Delete a superfluous test.
6347 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
6349 (ia64_sched_reorder): Call maybe_rotate; also rotate after
6350 scheduling a stop bit.
6351 (ia64_emit_nops): Correctly handle ASMs.
6353 2001-03-15 Mark Mitchell <mark@codesourcery.com>
6355 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
6357 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
6359 * cpp.texi: Update documentation for -include and -imacros.
6360 * cppfiles.c (struct include_file): Remove "defined" memeber.
6361 (find_or_create_entry): Make a copy of the file name, and
6363 (open_file): Update to ensure we use the simplified filename.
6364 (stack_include_file): Don't set search_from.
6365 (cpp_included): Don't simplify the path name here.
6366 (find_include_file): New prototype. Call search_from to
6367 get the start of the "" include chain. Don't simplify the
6369 (_cpp_execute_include): New prototype. Move diagnostics to
6370 do_include_common. Update.
6371 (_cpp_pop_file_buffer): Don't set defined.
6372 (search_from): New prototype. Use the preprocessor's cwd
6373 for files included from the command line.
6374 (read_name_map): Don't simplify the pathname here.
6375 * cpphash.h (enum include_type): New.
6376 (struct buffer): Delete search from. New search_cached.
6377 (_cpp_execute_include): Update prototype.
6378 * cppinit.c (do_includes): Use _cpp_execute_include.
6379 * cpplib.c (do_include_common): New function.
6380 (do_include, do_include_next, do_import): Use it.
6382 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6384 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
6385 contents of the RTL, to determine the name of the object.
6387 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6389 * tree.h (DECL_RTL): Allocate RTL lazily.
6390 (SET_DECL_RTL): New macro.
6391 (DECL_RTL_SET_P): Likewise.
6392 (COPY_DECL_RTL): Likewise.
6393 (DECL_RTL_IF_SET): Likewise.
6394 * varasm.c (make_decl_rtl): Add assertions about the kind of
6395 declaration we are processing.
6396 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
6397 (start_decl): Likewise.
6398 (finish_decl): Likewise.
6399 * c-semantics.c (emit_local_var): Likewise.
6400 * calls.c (expand_call): Likewise.
6401 * dbxout.c (dbxout_symbol): Likewise.
6402 * emit-rtl.c (unshare_all_rtl): Likewise.
6403 (unshare_all_decls): Likewise.
6404 (reset_used_decls): Likewise.
6405 * expr.c (store_constructor): Likewise.
6406 (safe_from_p): Likewise.
6407 (expand_expr): Likewise.
6408 * function.c (put_var_into_stack): Likewise.
6409 (instantiate_decls_1): Likewise.
6410 (assign_parms): Likewise.
6411 (expand_function_start): Likewise.
6412 (expand_function_end): Likewise.
6413 * ggc-common.c (gcc_mark_trees): Likewise.
6414 * integrate.c (function_cannot_inline_p): Likewise.
6415 (copy_decl_for_inlining): Likewise.
6416 (expand_inline_function): Likewise.
6417 (integrate_parm_decls): Likewise.
6418 (integrate_decl_tree): Likewise.
6419 * print-tree.c (print_node): Likewise.
6420 * reg-stack.c (stack_result): Likewise.
6421 * stmt.c (label_rtx): Likewise.
6422 (expand_return): Likewise.
6423 (expand_decl): Likewise.
6424 (expand_decl_cleanup): Likewise.
6425 (expand_anon_union_decl): Likewise.
6426 * toplev.c (check_global_declarations): Likewise.
6427 (rest_of_decl_compilation): Likewise.
6428 * tree.c (simple_cst_equal): Likewise.
6429 * objc/objc-act.c (generate_static_references): Likewise.
6431 2001-03-14 Zack Weinberg <zackw@stanford.edu>
6433 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
6434 gcc_AC_C_FLOAT_FORMAT): New macros.
6435 * configure.in: Add AC_PROG_CPP after CC tests;
6436 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
6437 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
6438 * configure, config.in: Regenerate.
6440 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
6441 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6442 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6443 config/i370/xm-linux.h, config/i370/xm-oe.h,
6444 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6445 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
6446 config/pa/xm-linux.h, config/pa/xm-pa.h,
6447 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
6448 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
6449 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
6450 config/we32k/xm-we32k.h: Delete.
6452 * config/i370/xm-mvs.h, config/m88k/m88k.h,
6453 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6454 config/vax/xm-vms.h: Don't define any of:
6455 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
6457 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
6459 * config.gcc: Remove references to deleted files.
6460 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
6461 FATAL_EXIT_CODE, which is the same between oe and mvs).
6463 2001-03-14 DJ Delorie <dj@redhat.com>
6464 Vladimir Makarov <vmakarov@redhat.com>
6466 * config/i960/i960.c (i960_function_prologue): Compute size of
6467 frame according to number of registers actually saved there.
6469 2001-03-14 Richard Henderson <rth@redhat.com>
6471 * expr.c (emit_move_insn_1): Fix else if around #endif.
6473 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
6476 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
6479 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
6481 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
6482 (override_options): Parse cmodel string.
6483 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
6484 * i386.h (TARGET_OPTIONS): Add "cmodel".
6485 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
6487 (ix86_cmodel_string, ix86_cmodel): Declare.
6489 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
6492 * i386.h (GENERAL_REG_P): Add missing REG_P.
6494 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
6496 * configure.in: Use $gcc_cv_as instead of $as.
6497 * configure: Regenerated.
6499 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
6501 * cppfiles.c (stack_include_file): Only increase the include
6502 count if we actually process the file properly, as opposed
6503 to treating it as length zero. Only call read_include_file
6504 if not DO_NOT_REREAD. Handle the -H include file output
6506 (read_include_file): Remove now redundant DO_NOT_REREAD check.
6507 (cpp_included, find_include_file): Simplify pathnames after
6508 remapping them. If remapping, don't use the remapped file
6509 name's buffer as our scratch buffer.
6510 (cpp_pop_file_buffer): Replace the multiple include macro
6511 only if it isn't yet set.
6512 (read_name_map): Simplify remapped names when reading in.
6513 (remap_filename): Move code to code path that uses it.
6514 (_cpp_simplify_pathname): Return the input pointer.
6515 * cpphash.h (_cpp_simplify_pathname): Update prototype.
6517 2001-03-14 Mark Mitchell <mark@codesourcery.com>
6519 * expr.c (expand_expr): Revove bogus conditional.
6521 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
6523 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
6525 2001-03-14 Jakub Jelinek <jakub@redhat.com>
6527 * reg-stack.c (stack_result): Unconditionally use
6528 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
6530 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
6532 * expr.c (emit_move_insn_1): Split push of complex value when
6533 no suitable push instruction exist.
6535 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
6536 instead of QI_REG_P.
6538 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6540 * alias.c (handled_component_p, can_address_p): New functions.
6541 (get_alias_set): Use them.
6543 2001-03-13 Jim Wilson <wilson@redhat.com>
6545 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
6546 from 80 in try_locals code.
6547 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
6549 2001-03-13 Zack Weinberg <zackw@stanford.edu>
6551 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
6552 gcc_AC_C_LONG_LONG): New.
6553 * configure.in: Use them. Probe the size of short, int, long,
6554 and long long/__int64 if we have them. Move all the AC_C_*
6555 checks together, except gcc_AC_C_CHAR_BIT which has to go
6556 after AC_CHECK_HEADERS(limits.h).
6557 Take hwint.h out of host_xm_file and build_xm_file.
6559 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
6560 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
6561 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
6562 Move the HOST_WIDEST_INT setup logic here from system.h.
6563 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
6565 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
6566 is now handled by hwint.h.
6568 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
6569 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
6570 config/ia64/xm-ia64.h: Don't define any of:
6571 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
6572 HOST_BITS_PER_LONGLONG.
6574 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
6575 config/h8300/xm-h8300.h, config/mips/iris6.h,
6576 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
6577 config/sparc/xm-sp64.h: Delete.
6578 * config.gcc: Remove references to deleted files.
6580 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
6581 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
6582 * config/i370/xm-linux.h: Clarify floating-point situation in
6585 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
6587 * cppfiles.c (NO_INCLUDE_PATH): New macro.
6588 (find_include_file): Decide here which part of the include
6589 chain to start the search. Complain about an empty include
6590 chain in all cases apart from an abolsute file name.
6591 (_cpp_execute_include): Don't choose the search chain here.
6592 Don't call handle_missing_include in the case of an empty
6594 (_cpp_compare_file_date): Don't choose the search chain here.
6595 * cpplib.c (do_include_next): Move the in-main-file diagnostic
6596 here from _cpp_execute_include. Behave like #include if
6597 we're in the main file.
6599 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6601 * system.h (malloc, realloc, calloc, strdup): Only poison these
6602 tokens when IN_GCC is defined.
6604 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
6606 * i386.md (abs?f expander): Support SSE case.
6607 (abd?f_if): Add new "USE"; add splitters.
6609 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6611 * cpp.texi (poison): Explain the macro expansion exception.
6613 2001-03-13 Jakub Jelinek <jakub@redhat.com>
6615 * expr.c (store_expr): Add dont_store_target. If temp is already in
6616 target before copying to reg, don't store it into target again.
6618 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6620 * cppinternals.texi: Update for file handling.
6622 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6624 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
6625 2001-02-24 which broke building the Java library.
6626 * function.c (identify_blocks): Likewise.
6627 (all_blocks): Likewise.
6628 * integrate.c (integrate_decl_tree): Likewise.
6629 * print-tree.c (print_node): Likewise.
6630 * tree.h (BLOCK_NUMBER): Likewise.
6631 (struct tree_block): Likewise.
6633 2001-03-12 David Edelsohn <edelsohn@gnu.org>
6635 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
6636 __WCHAR_TYPE__ definition.
6637 (WCHAR_TYPE_SIZE): #undef before #define.
6639 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6641 * cppfiles.c: Update comments.
6642 (destroy_include_file_node): Rename destroy_node.
6643 (find_or_create_entry): New function.
6644 (open_file, _cpp_fake_include): Use it.
6645 (handle_missing_header): New function, broken out of
6646 _cpp_execute include. Don't segfault if there is no
6647 system or quoted path.
6648 (_cpp_execute_include): Use handle_missing_header.
6650 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
6652 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
6653 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
6655 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6657 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
6658 unless anti_dependence says they are.
6659 * alias.c (objects_must_conflict): If neither has a type specified,
6662 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
6663 David Billinghurst <David.Billinghurst@riotinto.com>
6665 * config/mips/iris5.h: Change WCHAR_TYPE to int.
6667 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
6669 * i386.md (trunctfdf2_2): Rename missnamed pattern.
6670 (*_one_bit): Remove type on the match_operand in attributes.
6672 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
6674 * i386.c: Commit forgotten hunk in previous patch.
6675 (regclass_map): Add extended registers.
6676 (dbx_register_map): Add missing frame register.
6678 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
6680 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
6682 * i386.md (x86_sahf_1): Disable for 64bit.
6683 (popsi*, pophi*): Likewise.
6684 (pushqi, pushhi): Likewise.
6685 (movdi, pushdi): Likewise.
6686 (zero extend DImode splitter): Likewise.
6687 (adddi, minusdi splitter): Likewise.
6688 (umulsidi): Likewise.
6690 (mulsidi): Disable for 64bit
6691 (lshift:DI/ashift:DI): Disable for 64bit.
6692 (loop patterns): Likewise.
6693 (call_pop, call_value_pop expanders and patterns): Likewise.
6694 (prologue_get_pc): Likewise.
6696 (fcmovDI pattern and splitter): Likewise.
6697 (movdfcc_1_rex64): New.
6699 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
6701 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
6702 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
6703 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
6704 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
6705 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
6706 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
6707 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
6708 (PUSH_ROUNDING): x86_64 rounds to 64bits.
6709 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
6710 (REGPARM_MAX): Set to 6 for x86_64.
6711 (SSE_REGPARM_MAX): Set to 16 for x86_64.
6712 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
6715 * (patterns that does use upper halves): Update constraints
6716 'q' to 'Q' and 'r' to 'R'.
6717 (cmpqi_ext_1): Disable for 64bit.
6718 (cmpqi_ext_3_insn): Likewise.
6719 (movqi_extzv_1): Likewsie.
6720 (addqi_ext_1): Liekwsie
6721 (testqi_ext_1): Liekwsie
6722 (andqi_ext_1): Liekwsie
6723 (xorqi_ext_1): Liekwsie
6724 (cmpqi_ext_1_rex64): New.
6725 (cmpqi_ext_3_insn_rex64): Likewise.
6726 (movqi_extzv_1_rex64): Likewsie.
6727 (addqi_ext_1_rex64): Liekwsie
6728 (testqi_ext_1_rex64): Liekwsie
6729 (andqi_ext_1_rex64): Liekwsie
6730 (xorqi_ext_1_rex64): Liekwsie
6732 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6734 * configure.in: Move check for unsigned enumerated bitfields
6735 to macro in aclocal.m4. Disable it for now.
6736 * configure, config.in: Regenerate.
6737 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
6738 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
6739 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
6740 kind above its first use.
6742 * config/xm-interix.h, config/alpha/xm-alpha.h,
6743 config/i370/xm-linux.h, config/i386/xm-beos.h,
6744 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
6745 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6746 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
6747 Don't define ONLY_INT_FIELDS under any circumstances.
6749 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
6751 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6752 config/sparc/xm-sysv4.h: Delete - now identical with some
6754 * config.gcc (hppa targets): Replace xm-pahpux.h and
6755 xm-papro.h with implicit xm-pa.h.
6756 (sparc targets): Replace xm-sysv4.h with implicit or explicit
6759 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
6761 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
6762 before reload_cse_noop_set_p.
6764 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6766 * config.gcc: Where xm-host.h used to include another
6767 xm-host.h, list the nested header directly in xm_file. Remove
6768 references to deleted files. Can now use sparc/xm-sp64.h for
6771 * config/xm-linux.h, config/arm/xm-linux.h,
6772 config/i386/xm-dos.h, config/i386/xm-gnu.h,
6773 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
6774 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
6775 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
6776 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
6779 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
6780 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
6781 bother to wrap #undef in #ifdef.
6782 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
6783 Don't include xm-linux.h.
6784 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
6786 * configure.in: Wrap regexps using [] in changequote block.
6787 Use expr : not echo | grep. Simplify regexps.
6788 * configure: Regenerate.
6790 56 xm-files remain, 22 xm-arch.
6792 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6794 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
6795 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6796 (local_index, local_rindex): Delete, use strchr/strrchr instead.
6797 (copy_object): Fix format specifier vs argument mismatch.
6799 * mips-tdump.c: Make local functions static.
6800 (rindex): Don't #undef.
6801 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
6802 (fatal, fancy_abort): Delete.
6803 (read_seek): Avoid signed/unsigned compare.
6805 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6807 * combine.c (try_combine): Fix error in change to try original
6809 (gen_rtx_combine): Do same as gen_rtx for now.
6811 2001-03-11 Zack Weinberg <zackw@stanford.edu>
6813 * configure.in: AC_SUBST xm_defines.
6814 * configure: Regenerate.
6815 * Makefile.in: Set DEFINES=$(xm_defines) when building
6818 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
6820 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
6821 (cpp_included, find_include_file): Update.
6822 (_cpp_compare_file_date): Make else unconditional.
6824 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
6826 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
6828 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6830 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
6831 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
6833 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
6835 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
6836 if it's a record type.
6838 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
6840 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
6841 mingw includes slightly.
6843 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6845 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
6846 #undef token before poisoning it.
6848 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6850 * alpha.c (check_float_value): Use memcpy, not bcopy.
6852 * m32r.c (m32r_sched_reorder): Likewise.
6854 * vax.c (check_float_value): Likewise.
6856 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6858 * toplev.c (file_name_nondirectory): Remove.
6859 * toplev.h: Similarly.
6860 * dwarf2out.c (compute_section_prefix): Use lbasename instead
6861 of file_name_nondirectory.
6863 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6865 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
6866 * mips-tfile.c: Don't #undef rindex; not used.
6868 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
6870 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
6871 (dbx64_register_map): Declare.
6872 (RETURN_ADDR_RTX): Fix for 64bit.
6873 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
6874 (INCOMING_FRAME_SP_OFFSET): Set to 8.
6875 * i386.c (dbx64_register_map): New global array.
6876 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
6877 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
6880 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
6882 * cppfiles.c (search_from): Use lbasename.
6883 * mkdeps.c (deps_add_default_target): Use lbasename.
6885 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6887 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
6888 xcalloc in lieu of malloc, realloc & calloc.
6890 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
6892 * gengenrtl.c (xmalloc): Likewise.
6894 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
6895 really_call_* memory allocation routines.
6897 * stmt.c (check_for_full_enumeration_handling): Use
6898 really_call_calloc, not calloc.
6900 * system.h (really_call_malloc, really_call_calloc,
6901 really_call_realloc): Define.
6902 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
6904 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
6906 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
6908 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
6910 * configure: Rebuilt.
6911 * configure.in: Only use `lang_requires' for languages athat are
6914 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
6916 * invoke.texi: Fix typo.
6917 * gcc.1: Regenerate.
6919 2001-03-09 Zack Weinberg <zackw@stanford.edu>
6921 * configure.in: Prune nonexistent files from build_xm_file,
6922 xm_file, and host_xm_file lists. Warn unless they're
6924 Don't generate *config.h here.
6925 AC_SUBST all variables needed to generate *config.h.
6926 * configure: Regenerate.
6927 * mkconfig.sh: New helper script, from code removed from
6929 * Makefile.in: Zap all MALLOC variables - no longer used
6930 anywhere, and malloc.c doesn't exist.
6931 Substitute in variables needed to generate *config.h.
6932 Stop lying about the dependencies contained in CONFIG_H and
6934 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
6935 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
6936 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
6937 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
6938 $(TM_P_H), etc. as appropriate.
6940 * config.gcc: Zap references to deleted files.
6941 * ggc-none.c: Don't include rtl.h or tm_p.h.
6943 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
6944 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
6945 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
6946 config/i386/xm-linux.h, config/i386/xm-linux.h,
6947 config/i386/xm-next.h, config/i386/xm-openbsd.h,
6948 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
6949 Don't include i386/xm-i386.h.
6951 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
6952 config/i386/xm-i386.h, config/i860/xm-i860.h,
6953 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
6954 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6955 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
6956 Delete (empty except comments, #includes of other deleted
6957 files, and macros used nowhere).
6959 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
6961 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
6962 independent on TARGET_FLAGS.
6964 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
6966 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
6968 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
6970 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
6972 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
6973 LAST_REX_SSE_REG): define.
6974 (enum reg_class): Add 'LEGACY_REGS'
6975 (REG_CLASS_CONTENTS): Likewise; add extended registers.
6976 (SSE_REGNO_P): Recognize extended registers.
6977 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
6978 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
6979 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
6980 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
6981 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
6982 REG_OK_FOR_STRREG_P): Remove.
6983 (HI_REGISTER_NAMES): Add extended registers.
6984 (ADDITIONAL_REGISTER_NAMES): Likewise.
6985 (QI_REGISTER_NAMES): Add 8bit extended registers.
6986 (DEBUG_REG): Support extended registers.
6987 * i386.c (regclass_map): Add extended registers.
6988 (dbx_register-map): Likewise.
6989 (svr4_dbx_register_map): Likewise.
6990 (print_reg): Support extended registers.
6991 (print_operand): Support 64bit operands.
6993 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
6995 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
6996 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6997 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
6998 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
6999 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
7000 STACK_BOUNDARY): Set properly for 64bits.
7001 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
7002 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
7003 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
7004 (MOVE_MAX): Set to 16.
7005 (MOVE_MAX_PIECES): 8 for 64bit.
7006 (Pmode): Set to SImode.
7008 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
7010 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
7012 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
7014 * i386.h (mask_64bit): New constant.
7015 (target_64bit): New macro.
7016 (target_options): Add '64'/'32'
7017 (target_default): Define.
7018 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
7019 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
7020 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
7022 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
7024 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
7026 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
7028 * rtlanal.c (rtx_varies_p): Check operand 0 of a
7029 LO_SUM unless for_alias is set.
7031 2001-03-08 Stan Shebs <shebs@apple.com>
7033 * objc/objc-act.c: Fix old typos in comments, add comments for
7035 (hash_init): Fix file name in error message.
7036 (hash_enter): Ditto.
7037 (hash_add_attr): Ditto.
7038 (continue_class): Ditto.
7040 2001-03-08 Bruce Korb <bkorb@gnu.org>
7042 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
7043 wait4() can receive the signal.
7045 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7047 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
7049 * fixinc/fixincl.x: Regenerate.
7051 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7053 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
7055 * fixinc/fixincl.x: Regenerate.
7057 2001-03-08 Richard Henderson <rth@redhat.com>
7059 * configure.in (HAVE_AS_LEB128): New assembler check.
7060 * configure, config.in: Rebuilt.
7062 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
7064 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
7067 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7069 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
7070 references to the MAXPATHLEN macro.
7072 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
7073 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
7076 * config/i386/xm-gnu.h, config/xm-gnu.h,
7077 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
7078 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
7079 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
7080 and/or unused files.
7082 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
7083 doing so in various xm-*.h files.
7085 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7087 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
7089 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
7091 * configure.in (enable_shared): Support per-package shared-library
7093 * configure: Rebuilt.
7095 2001-03-07 David Edelsohn <edelsohn@gnu.org>
7097 * rs6000.md (cr logic): Add original POWER mnemonic alternative
7098 for crnot. Set operands[5] in splitter.
7100 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7102 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
7103 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
7104 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
7105 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
7106 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
7107 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
7108 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
7111 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
7112 config/i370/xm-i370.h, config/i386/xm-dgux.h,
7113 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
7114 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
7115 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
7116 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
7117 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
7118 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
7119 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
7120 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
7121 Delete unused and/or empty files.
7123 * config.gcc: Define USG in xm_defines as appropriate. Define
7124 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
7125 macro. Remove deleted xm-* files from $xm_files variable.
7127 2001-03-07 Tom Tromey <tromey@redhat.com>
7129 * configure: Rebuilt.
7130 * configure.in: Allow config-lang.in to set `lang_requires' to list
7131 of other required languages.
7133 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
7135 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
7137 (output_prologue): Use xmalloc not oballoc.
7138 (output_epilog): Free a29k_first_epilogue_insn when finished.
7139 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
7141 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
7143 * builtins.c (expand_builtin_mathfn): Check
7144 flag_unsafe_math_optimizations, not flag_fast_math.
7145 (expand_builtin): Likewise
7146 * combine.c (combine_simplify_rtx): Likewise.
7147 (simplify_if_then_else): Likewise.
7148 * cse.c (fold_rtx): Likewise.
7149 * flags.h: Remove flag_fast_math. Add
7150 flag_unsafe_math_optimizations and flag_trapping_math.
7151 * fold-const.c (negate_expr): Check
7152 flag_unsafe_math_optimizations, not flag_fast_math.
7153 (invert_truthvalue): Likewise.
7154 (fold): Likewise. Before associating operands, check that
7155 code == MULT_EXPR, not code != MULT_EXPR.
7156 * ifcvt.c (noce_try_minmax): Check
7157 flag_unsafe_math_optimizations, not flag_fast_math.
7158 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
7159 * invoke.texi: Document -funsafe-math-optimizations and
7160 -fno-trapping-math. Change documentation for -ffast-math.
7161 * jump.c (reversed_comparison_code_parts): Likewise.
7162 (rtx_equal_for_thread_p): Likewise.
7163 * optabs.c (emit_conditional_move): Likewise.
7164 * simplify-rtx.c (simplify_binary_operation): Likewise.
7165 (simplify_relational_operation): Likewise.
7166 (simplify_ternary_operation): Likewise.
7167 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
7168 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
7169 Add trapping-math and unsafe-math-optimizations entries to f_options.
7170 (set_fast_math_flags): New, sets flags for -ffast-math.
7171 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
7172 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
7173 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
7175 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
7176 (alpha_emit_conditional_move): Initialize local_fast_math to
7177 flag_unsafe_math_optimizations, not flat_fast_math.
7178 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
7179 instead of setting flag_fast_math to 1.
7180 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
7182 * config/i386/i386.c (override_options): Likewise
7183 * config/i386/i386.md: Likewise.
7184 * config/m68k/m68k.md: Likewise.
7185 * config/mips/mips.md: Likewise.
7186 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
7187 (rs6000_generate_compare): Likewise.
7189 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7191 * Makefile.in: Set RANLIB to @RANLIB@.
7194 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
7196 * fixinc/inclhack.def (djgpp_wchar_h): New test.
7197 * fixinc/fixincl.x: Regenerated.
7199 2001-03-07 Richard Henderson <rth@redhat.com>
7201 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
7203 2001-03-07 Richard Henderson <rth@redhat.com>
7205 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
7206 of block notes and exception handling notes.
7208 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
7209 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
7210 (compile_file): ... here.
7212 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7214 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
7216 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
7217 config.h now. Include libiberty.h to handle alloca.
7219 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7221 * c-parse.in (yylexname): New function, split out of _yylex.
7222 (objc_rid_sans_at): New table.
7223 (init_reswords): Initialize it.
7224 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
7225 retrieving the next token and checking it for significance as
7226 an ObjC keyword or string constant.
7228 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
7229 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
7231 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
7234 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
7236 * config/m68k/m68k.c (const_uint32_operand): Accept any
7237 const_int on a 32-bit host.
7239 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
7241 * objc/objc-act.c (init_objc): Set save_lang_status,
7242 restore_lang_status, and mark_lang_status.
7244 2001-03-06 Krister Walfridsson <cato@df.lth.se>
7246 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
7248 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
7250 * cppinternals.texi: Update.
7252 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7254 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7255 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
7256 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
7257 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7258 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
7259 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7260 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
7261 config/i386/xm-i386.h, config/i860/xm-i860.h,
7262 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7263 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
7264 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7265 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7266 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7267 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7268 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
7269 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7270 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
7271 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7272 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7273 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
7274 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
7275 match the defaults provided in hwint.h.
7277 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7278 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
7280 * config.gcc (xm_file): Don't set to files which are deleted.
7282 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
7283 guard this file against these macros being undefined.
7285 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7287 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
7288 and DECL_DEFER_OUTPUT on the decl we create, before calling
7289 rest_of_decl_compilation.
7291 2001-03-06 Zack Weinberg <zackw@stanford.edu>
7293 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
7295 * configure, config.in: Regenerate.
7296 * config.gcc: Remove references to deleted files.
7298 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
7299 genrecog.c, rtl.c: Do not use alloca anywhere.
7301 * Makefile.in, build-make, system.h, config/x-interix,
7302 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
7303 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
7304 config/arc/xm-arc.h, config/arm/xm-arm.h,
7305 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7306 config/h8300/xm-h8300.h, config/i370/x-oe,
7307 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
7308 config/i386/x-ncr3000, config/i386/x-sco5,
7309 config/i386/xm-dgux.h, config/i860/x-sysv4,
7310 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
7311 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
7312 config/m68k/x-hp320g, config/m69k/x-mot3300,
7313 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
7314 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
7315 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
7316 config/m88k/x-sysv4, config/m88k/x-tekXD88,
7317 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7318 config/mips/x-iris, config/mips/x-iris3,
7319 config/mips/x-sni-svr4, config/mips/x-sysv,
7320 config/mips/xm-iris6.h, config/mips/xm-mips.h,
7321 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
7322 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
7323 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7324 config/pa/xm-papro.h, config/romp/xm-romp.h,
7325 config/rs6000/x-aix31, config/rs6000/x-aix41,
7326 config/rs6000/x-beos, config/rs6000/x-lynx,
7327 config/rs6000/x-mach, config/rs6000/x-rs6000,
7328 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
7329 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7330 config/sparc/x-sysv4, config/sparc/xm-linux.h,
7331 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
7332 config/vax/xm-vms.h: Eradicate all references to alloca and
7335 * config/xm-alloca.h, config/clipper/x-clix,
7336 config/i386/xm-sysv4.h, config/i860/x-fx2800,
7337 config/i860/x-sysv3, config/m88k/x-sysv3,
7338 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
7339 (contained only alloca related hacks).
7341 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
7344 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
7346 * invoke.texi: Document __FAST_MATH__.
7348 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7350 * crtstuff.c: Restore include of auto-host.h.
7352 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
7354 Put main() in a separate file, so that the language
7355 front-end can use a different main().
7358 * toplev.c: (main): Rename as toplev_main.
7359 * toplev.h: Declare toplev_main.
7360 * Makefile.in (OBJS): add toplev.o.
7361 (BACKEND): remove toplev.o, add main.o.
7363 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7365 * cppfiles.c (search_from): Special case the empty string.
7367 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
7369 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
7370 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
7371 strlen or strcpy; we already know the length.
7372 (_cpp_compare_file_date): Similarly.
7373 * cpphash.h (struct cpp_reader): Delete done_initialising.
7374 (CPP_PREV_BUFFER): Delete.
7375 * cppinit.c (cpp_start_read): Don't set done_initialising.
7376 * cpplex.c (parse_string): Guarantee null-termination.
7377 (_cpp_equiv_toklists): Remove.
7378 * cpplib.c (glue_header_name): Null-terminate.
7379 (do_line): Don't leak memory.
7380 * cpplib.h (BT_WEAK): Delete.
7381 * cppmain.c (cb_ident): Strings are now null-terminated.
7383 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
7385 * gcc.c (convert_filename): Append executable suffix
7386 if NO_AUTO_EXE_SUFFIX is not defined.
7387 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
7388 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
7390 2001-03-03 David O'Brien <obrien@FreeBSD.org>
7392 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7393 * c-parse.gperf, c-gperf.h: Delete.
7394 (c-gperf.h was accidently re-added to the CVS repo in the rev
7395 1.16 commit by tromey)
7397 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7399 * cpplex.c (_cpp_lex_token): Don't warn about directives in
7400 macro arguments when looking for the '('.
7401 * cppmacro.c (funlike_invocation_p): Set parsing_args to
7402 2 when really parsing arguments; 1 when looking for '('.
7403 Always restore the lexer position.
7405 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7407 * longlong.h (umul_ppmm): Don't use a multiline string.
7409 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
7411 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
7412 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
7413 t_bool in declaration because pcc can't combine volatile with typedef
7416 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
7418 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
7419 until when it is really needed.
7420 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
7421 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
7422 * i386.md (float?i?f splitter): Don't force source operand to memory
7424 (sse_movdfcc): Fix constraint.
7425 (sse_movdfcc splitter): Handle properly the second alternative.
7427 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7429 * cpplex.c (parse_string): Unconditionally pedwarn.
7431 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
7434 * cppexp.c (parse_number): Update.
7435 * cpplex.c (parse_string): Pedwarn if multiline string does not
7436 result from a system header's macro.
7437 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
7438 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
7439 for function-like macros too.
7440 * c-lex.c (lex_number): Update.
7442 2001-03-03 Richard Henderson <rth@redhat.com>
7444 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
7446 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
7448 * combine.c (try_combine): If split with mode-changed scratch
7449 register didn't work, try the original mode.
7451 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
7453 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
7454 * config/c4x/c4x.h: Likewise.
7455 * stor-layout.c (compute_record_mode): Likewise.
7456 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
7458 2001-03-02 Zack Weinberg <zackw@stanford.edu>
7460 * configure.in: Kill tm.h. Include the files in the $tm_file
7461 list in all three of config.h, hconfig.h, tconfig.h, after the
7462 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
7463 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
7464 * configure: Regenerate.
7465 * Makefile.in (clean): Don't delete tm.h.
7467 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
7468 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
7469 those are not defined, set SEC and FEC to 0 and 1.
7470 * gcc.texi: Update to match.
7472 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
7473 * config/fp-bit.c, config/m68k/aux-crt2.asm,
7474 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
7475 Include tconfig.h, not tm.h.
7477 * config/xm-lynx.h, config/xm-std32.h,
7478 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
7479 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
7480 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
7481 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7482 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7483 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7484 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
7485 config/i386/xm-i386.h, config/i860/xm-i860.h,
7486 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
7487 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
7488 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
7489 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
7490 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7491 config/pa/xm-linux.h, config/pa/xm-pa.h,
7492 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
7493 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
7494 config/pj/xm-pj.h, config/romp/xm-romp.h,
7495 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7496 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7497 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7498 config/v850/xm-v850.h, config/vax/xm-vax.h,
7499 config/we32k/xm-we32k.h:
7501 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
7503 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
7504 config/i370/xm-oe.h: Don't include tm.h. Don't define
7506 * config/vax/xm-vms.h: Don't include tm.h.
7508 * config/xm-lynx.h, config/avr/xm-avr.h,
7509 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
7510 Delete; made empty by above changes.
7511 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
7512 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
7513 Don't include config/xm-lynx.h or tm.h.
7515 * config/xm-gnu.h: Don't include fcntl.h.
7516 * config/sparc/xm-lynx.h: Don't include sys/types.h and
7518 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
7520 2001-03-02 Richard Henderson <rth@redhat.com>
7522 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
7523 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
7525 2001-03-02 Richard Henderson <rth@redhat.com>
7527 * Makefile.in (OBJS): Add dwarf2asm.o.
7528 * dwarf2asm.c, dwarf2asm.h: New files.
7529 * dwarf2out.c (*): Use them.
7530 (size_of_uleb128, size_of_sleb128): Remove.
7531 (output_uleb128, output_sleb128): Remove.
7532 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
7533 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
7534 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
7535 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
7536 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
7537 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
7538 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
7539 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
7540 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
7541 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7542 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
7543 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
7544 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
7545 (dwarf2out_frame_debug): Remove unused variables.
7546 (output_loc_operands): Don't abort on 8 byte constants if
7547 host integers are wide enough.
7548 (output_symbolic_ref): Remove.
7549 (size_of_die): Don't assume 4 byte host integers.
7550 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
7552 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
7553 something stupid with HOST_WIDE_INT to long truncation.
7554 [CONST_DOUBLE]: Likewise.
7556 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
7557 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
7558 * config/arm/unknown-elf.h: Likewise.
7559 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
7560 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
7561 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
7562 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
7563 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
7564 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
7565 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
7566 (ASM_OUTPUT_DWARF_OFFSET): Remove.
7567 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
7568 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
7569 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
7570 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
7572 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7574 * cselib.c (hash_rtx): Cast enums to unsigned int.
7576 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7578 * print-rtl.c (print_rtx): Cast enums to int for comparison.
7579 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
7581 * c-format.c (C_STD_VER): Cast to int for comparisons.
7582 (check_function_format): Cast various enums to int for &.
7583 (maybe_read_dollar_number): Likewise.
7584 (check_format_info): Likewise.
7585 (check_format_info_main): Likewise.
7586 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
7587 (safe_from_p): Likewise.
7588 * varasm.c (const_hash): Cast enum to int for %.
7589 * emit-rtl.c (init_emit_once): Use int loop variable to work around
7590 pcc enum problems with < and ++ operators.
7591 * regclass.c (init_reg_sets_1): Cast enums for comparison.
7592 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
7593 (regclass_init): Change enum class to int to iterate over reg_classes.
7594 * genrecog.c (merge_trees): Cast enums for comparison.
7595 * rtl.h (GET_CODE): Cast to enum rtx_code.
7596 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
7597 (GET_MODE): Cast to enum machine_mode.
7598 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
7599 (GET_NOTE_INSN_NAME): Cast enum to int.
7600 * tree.h (TREE_CODE): Cast to enum tree_code.
7601 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
7602 * timevar.c (timevar_print): Change loop variable id from enum to
7604 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
7605 * config/i386/i386.md: Use PUT_MODE for mode assignment.
7606 * toplev.c (compile_file): Cast enum DFI to int.
7607 (decode_d_option): Likewise.
7609 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
7611 * cppinit.c (append_include_chain): Mark "after" include file name list
7612 as a system directory.
7613 * cpp.texi: Document new behavior.
7615 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
7617 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
7619 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
7621 * cppfiles.c (struct include_file): Update.
7622 (stack_include_file): Use search_from.
7623 (cpp_included, find_include_file): Update.
7624 (cpp_execute_include): Update. ptr->name may not be
7625 null terminated. Use the new search_from member variable
7627 (_cpp_compare_file_date): Similarly.
7628 (search_from): New function, similiar to actual_directory.
7629 (actual_directory): Delete.
7630 (remap_filename): Update. loc->name may not be null terminated.
7631 (struct file_name_list): Rename search_path. Update.
7632 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
7633 search_from and dir.
7634 (struct cpp_reader): Remove actual_dirs.
7635 * cppinit.c (struct cpp_pending): Update for renamed objects.
7636 (append_include_chain, remove_dup_dir, remove_dup_dirs,
7637 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
7638 * cpplib.h (struct cpp_options): Similarly.
7640 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7642 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
7643 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
7644 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7645 config/clipper/xm-clix.h, config/convex/xm-convex.h,
7646 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
7647 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
7648 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
7649 config/i370/xm-linux.h, config/i370/xm-mvs.h,
7650 config/i370/xm-oe.h, config/i386/xm-aix.h,
7651 config/i386/xm-i386.h, config/i386/xm-osf.h,
7652 config/i860/xm-i860.h, config/i960/xm-i960.h,
7653 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7654 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
7655 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
7656 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
7657 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
7658 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7659 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7660 config/pj/xm-pj.h, config/romp/xm-romp.h,
7661 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
7662 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
7663 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
7664 config/v850/xm-v850.h, config/vax/xm-vax.h,
7665 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
7666 Do not define TRUE or FALSE.
7668 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
7669 empty by above change.
7670 * config.gcc: Remove references to these files.
7672 * configure.in: Detect stdbool.h.
7673 * configure, config.in: Regenerate.
7674 * system.h: Include stddef.h here if available.
7675 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
7676 Then set up a sensible boolean type at the very end.
7678 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
7679 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
7681 * hash.h: Delete 'boolean' typedef and related #undefs.
7683 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
7684 all uses of 'boolean' with 'bool'.
7686 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7688 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
7689 * cppexp.c (lex): Cast enums for comparison.
7690 * cppinit.c (parse_option): Cast enum for comparison.
7691 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
7692 (cpp_output_token): Likewise.
7693 (cpp_can_paste): Cast enums for comparsion and plus/minus.
7694 (cpp_avoid_paste): Cast enums for minus and comparison.
7696 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7698 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
7699 field to all array elements.
7701 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7703 * cpphash.h (struct cpp_reader): Add print_version field.
7704 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
7705 just set print_version and other flags as appropriate.
7706 (cpp_post_options): Print version here if print_version is set.
7708 * toplev.c (exit_after_options): New flag.
7709 (independent_decode_option): Don't exit here; just set
7711 (main): Exit after calling lang_hooks.post_options if
7712 exit_after_options is true.
7714 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
7715 (merge_include_chains): Adjust comment to match code.
7717 2001-03-01 Zack Weinberg <zackw@stanford.edu>
7719 * stringpool.c (set_identifier): New function.
7720 * tree.h: Prototype it.
7722 * c-parse.in: Kill D_YES. If compiled for objc, call
7723 save_and_forget_protocol_qualifiers from init_reswords.
7724 * objc/objc-act.c (remember_protocol_qualifiers,
7725 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
7726 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
7728 (save_and_forget_protocol_qualifiers): New function.
7729 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
7731 2001-03-01 Diego Novillo <dnovillo@redhat.com>
7733 * c-semantics.c (prune_unused_decls): Return error_mark_node
7734 instead of (tree) 1 to stop traversing the tree chain.
7736 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7738 Fix a problem introduced by Kenner's Feb 18 change.
7739 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
7740 flag_cse_skip_blocks only temporarily, not for ever.
7742 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
7744 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
7745 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
7747 * pa.c (emit_move_sequence): Verify operand0 is a hard register
7748 before determining its register class.
7750 2001-03-01 Bernd Schmidt <bernds@redhat.com>
7752 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
7753 from reg 4 if current_function_calls_setjmp.
7754 (gen_nop_type): New function.
7755 (ia64_emit_nops): New function.
7756 (ia64_reorg): Call it.
7757 (ia64_sched_reorder): Move code that rotates bundles up a bit.
7759 * reload1.c (eliminate_regs_in_insn): Restrict the special case
7760 code not to try to optimize adds with anything but a REG destination.
7762 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
7763 (INSN_PRIORITY_KNOWN): New accessor macro.
7764 * haifa-sched.c (priority): Use it instead of testing priority against
7767 2001-02-28 DJ Delorie <dj@redhat.com>
7769 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
7770 since that doesn't work the way gcc wants on a generic m68k.
7772 2001-02-28 Richard Henderson <rth@redhat.com>
7774 * caller-save.c (save_call_clobbered_regs): Fix typo in
7775 comparison last change.
7777 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
7779 * i386.c (pentium4_cost): New.
7780 (m_PENT4): New macro.
7781 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
7782 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
7783 x86_integer_DFmode_moves, x86_partial_reg_dependency,
7784 x86_memory_mismatch_stall): Add Pentium4
7785 (x86_use_q_reg, x86_use_any_reg): Kill.
7786 (override_options): Add pentium4.
7787 (incdec_operand): Return 0 for pentium4.
7788 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
7789 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
7790 (TARGET_PENTIUM4): Define.
7791 (enum processor_type): Add PROCESSOR_PENTIUM4.
7792 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
7793 * i386.md (attribute "cpu"): Add pentium4.
7794 * invoke.texi (march): Add pentium4.
7796 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
7798 * i386.md (sse_mov?fcc*): New patterns and splitters.
7799 * i386.c (ix86_expand_movcc): Work post-reload; recognize
7800 the SSE based conditional moves.
7802 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
7804 * i386.md (attribute mode): Add "TI".
7805 (movsf_1): Add pxor support; remove constant propagation splitter.
7806 (movdf_integer): Likewise.
7807 (movdf_nointeger): Likewise.
7808 (movxf constant prop splitter): Handle all modes; update for SSE.
7809 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
7810 * i386.c (standard_80387_constant_p): Rewrite.
7811 (standard_sse_constant_p): New.
7812 * i386-protos.h (standard_sse_constant_p): New.
7814 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
7816 * i386.md (sse_setccsf, sse_setccdf): New.
7817 (sse_cmp* patterns): Use '%D' instead of outputtting condition
7819 * i386.c (sse_comparison_operator): Accept the supported unordered
7820 comparses; be ready for fast_math.
7821 (print_operand): Support 'D'.
7823 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
7825 * jump.c (reversed_comparison_code): Kill.
7827 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
7829 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
7832 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
7834 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
7835 add missing '%' in constraints.
7837 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
7839 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
7840 for HOST_BITS_PER_WIDE_INT == 32 too.
7842 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
7844 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
7846 (insert_save, insert_restore): New parameter save_mode.
7847 (init_caller_save): Update initialization of reg_save_code
7848 and reg_restore_code.
7849 (save_call_clobbered_regs): Compute save_modes and update calls to
7850 reg_save_code and reg_restore_code.
7851 (insert_restore): Unsignetize numbers; use save_modes to choose mode
7852 of spill; update use of reg_restore_code.
7853 (insert_save): Likewise.
7854 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7855 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
7856 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
7858 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7860 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
7861 noce_try_store_flag_inc, noce_try_store_flag_mask,
7862 noce_try_cmove_arith):
7863 Use reversed_comparison_code instead of reverse_comparison and
7864 can_reverse_comparison_p.
7866 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
7868 * jump.c (reversed_comparison_code_parts): Allow reversal of
7869 unordered compares in -ffast-math mode; reverse ordered compares
7870 for FP even w/o -ffast-math.
7872 2001-02-27 Richard Henderson <rth@redhat.com>
7874 * print-rtl.c (print_rtx) [i]: Don't print field five on
7875 NOTEs other than NOTE_INSN_DELETED_LABEL.
7877 2001-02-27 Zack Weinberg <zackw@stanford.edu>
7879 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
7880 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
7882 2001-02-27 Diego Novillo <dnovillo@redhat.com>
7884 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
7885 even if walk_subtrees is 0.
7886 * c-semantics.c (prune_unused_decls): Return a non-null value to
7887 stop traversing the tree chain.
7889 2001-02-27 DJ Delorie <dj@redhat.com>
7891 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
7892 register, *then* define it as the new CFA.
7894 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
7896 * pa.c (override_options): Promote -fpic to -fPIC.
7897 (legitimize_pic_address): Simplify due to removal of
7898 small PIC as a code generation option.
7899 (secondary_reload_class): Similarly.
7900 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
7901 (PRINT_OPERAND_ADDRESS): Similarly.
7902 * pa.md (various patterns): Similarly.
7903 (small pic lo_sum pattern): Remove.
7905 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
7908 * md.texi (min, max): Document
7910 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
7912 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
7913 TARGET_PARTIAL_REG_DEPENDENCY.
7914 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
7916 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
7918 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
7920 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
7922 * mips.c (mips_make_temp_file): Fix thinko in last change.
7924 2001-02-26 Jason Eckhardt <jle@redhat.com>
7926 * combine.c (known_cond): Do not reverse the condition when
7927 SMAX/UMAX is being considered and the condition is for equality
7930 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
7932 2001-02-26 Philip Blundell <philb@gnu.org>
7934 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
7936 * config/arm/linux-elf.h: Remove historical relics related to
7937 above configurations.
7938 * config/arm/linux-oldld.h: Delete.
7939 * config/arm/linux-elf26.h: Delete.
7941 2001-02-26 Jason Merrill <jason@redhat.com>
7943 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
7945 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
7946 recognize a tentative definition. Lose obsolete code.
7948 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
7949 variables unless necessary, either.
7951 2001-02-25 Richard Henderson <rth@redhat.com>
7953 * ifcvt.c (struct noce_if_info): Add test_bb.
7954 (noce_get_alt_condition): New.
7955 (noce_try_minmax, noce_try_abs): New.
7956 (noce_operand_ok): New.
7957 (noce_process_if_block): Use them.
7958 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
7960 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
7962 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
7965 2001-02-25 Zack Weinberg <zackw@stanford.edu>
7967 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
7968 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
7970 (mips_asm_file_end): Free temp_filename here.
7972 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7974 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
7975 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
7977 * config/i386/i386.md (movstrsi): Handle FAIL case.
7979 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
7981 * cppinit.c (builtin_array): Update.
7982 (init_builtins): Flag builtins to warn if redefined or
7983 undefined. Define __GXX_WEAK as a normal macro.
7984 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
7985 * cpplib.h (NODE_WARN): New flag.
7986 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
7987 Handle __STDC__ as a builtin only on Solaris.
7988 (warn_of_redefinition): Renamed from check_macro_definition.
7989 Reverse sense of test. Always warn if NODE_WARN.
7990 (_cpp_create_definition): Use warn_of_redefinition. Flag
7991 any macro beginning with "__STDC_" to require a mandatory
7992 warning if redefined or undefined.
7994 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7996 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
7997 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
7998 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
7999 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
8000 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
8001 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
8002 Don't define any of:
8003 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
8004 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
8005 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
8006 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
8007 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
8009 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
8010 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
8013 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
8014 Delete now-empty file.
8016 * alpha/vms.h: Define NEED_ATEXIT here...
8017 * alpha/xm-vms.h: ...not here.
8019 * i386/cygwin.h: Don't define PARAMS.
8020 * mips/mips.c: Don't prototype mktemp. Don't define
8021 P_tmpdir. Use make_temp_file to create temporary files.
8022 Don't be clever and delete temporary files early.
8023 * config.gcc: Drop references to deleted files. Don't define
8025 * gcc.texi: Don't mention USE_PROTOTYPES.
8027 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8029 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
8030 (ix86_set_move_mem_attrs_1): Likewise.
8031 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
8032 * config/i386/i386.md (movstrsi): Call it.
8034 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8036 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
8037 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
8038 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
8039 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
8041 (i750a-*-*): Error here if hosting on i750a.
8042 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
8044 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
8045 Remove (empty modulo comments).
8047 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
8048 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
8049 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
8050 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
8051 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
8052 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
8054 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
8055 Remove reference to winnt.h in comment.
8056 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
8058 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8060 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
8061 used to set another biv.
8063 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8065 * tree.h (BLOCK_DEAD): New macro.
8066 (struct tree_block): New flag, dead_flag.
8067 * print-tree.c (print_node, case 'b'): Print missing fields.
8068 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
8069 * function.c (identify_blocks): Enable test for misplaced notes.
8070 (all_blocks): Skip BLOCK_DEAD blocks.
8071 * integrate.c (integrate_decl_tree): Likewise.
8073 * errors.c (internal_error, trim_filename): New functions.
8074 (fancy_abort): Call internal_error.
8075 * errors.h (internal_error, trim_filename): New declarations.
8077 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
8079 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
8081 (EXTRA_CONSTRAINT): Formatting changes.
8083 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8085 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
8087 2001-02-23 Per Bothner <per@bothner.com>
8089 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
8090 so they can be called from java/jvspec.c.
8091 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
8093 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
8095 * i386.c (ix86_frame): New structure.
8096 (ix86_compute_frame_size): Kill.
8097 (ix86_compute_frame_layout): New.
8098 (ix86_save_reg): New.
8099 (ix86_can_use_return_insn_p): Use frame layout stuff.
8100 (ix86_expand_prologue): Likewise.
8101 (ix86_expand_epilogue): Likewise.
8102 (ix86_initial_elimination_offset): Likewise.
8103 (ix86_nsaved_regs): Use ix86_save_reg.
8104 (ix86_emit_save_regs): Likewise.
8106 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
8108 * flow.c (find_sub_basic_blocks): New function.
8109 (split_block): Be ready for basic block introduced by CODE_LABEL.
8110 (commit_one_edge_insertion): Call find_sub_basic_block.
8112 * flow.c (make_edges): Add edge from entry for blocks starting with
8113 label having ALTERNATE_NAME
8115 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
8117 * function.c (epilogue_done): Be ready for first basic block not
8118 containing PROLOGUE_END note.
8119 (reposition_prologue_and_epilogue_notes): Avoid placing
8120 PROLOGUE_END note between BASIC_BLOCK.
8122 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
8124 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
8126 2001-02-21 DJ Delorie <dj@redhat.com>
8128 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
8129 check for current_function_has_nonlocal_goto from 1999-11-12.
8131 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8133 * diagnostic.c (trim_filename): No longer static.
8134 * toplev.h (trim_filename): Declare.
8135 * rtl.c (rtl_check_failed_bounds): Call internal_error.
8136 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
8137 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
8138 (rtvec_check_failed_bounds): Likewise.
8139 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
8141 * convert.c (convert_to_integer): Don't do unsigned unless result or
8142 both inputs are unsigned.
8144 * fold-const.c (fold_convert): Don't call size_int_type_wide if
8147 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
8149 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
8151 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
8153 * Makefile.in (resource.o): Add params.h dependence.
8154 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
8155 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
8156 * resource.c: Add dependence on params.h.
8157 (current_live_regs): Fix explanatory comment.
8158 (find_basic_block): Add new parameter to permit limiting search
8160 (mark_target_live_regs): Add new argument to find_basic_block call.
8161 (incr_ticks_for_insn): Likewise.
8163 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
8165 * diagnostic.c (output_to_stream): Rename to
8166 output_buffer_to_stream. Loses the stream parameter.
8167 (init_output_buffer): Set diagnosic_buffer's stream.
8168 (flush_diagnostic_buffer): Adjust.
8169 (default_print_error_function): Likewise.
8170 (finish_diagnostic): Likewise.
8171 (verbatim): Likewise.
8173 * diagnostic.h (struct output_buffer): Add `stream' field.
8174 (output_buffer_attached_stream): New macro.
8176 2001-02-23 Jakub Jelinek <jakub@redhat.com>
8178 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
8179 check if either operand is divisible by C.
8180 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
8181 If type is signed, consider negative numbers as well.
8183 2001-02-22 Richard Henderson <rth@redhat.com>
8185 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
8186 reach .text instead of gp-relative relocs.
8187 * config/ia64/crtend.asm (.init): Likewise.
8189 2001-02-22 Andreas Jaeger <aj@suse.de>
8191 * extend.texi (C++ Attributes): Fix typo.
8193 2001-02-21 David Mosberger <davidm@hpl.hp.com>
8195 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
8196 functions, drop current_function_args_info.words test.
8197 (ia64_compute_frame_size): Mark syscall_linkage functions as
8198 using eight input registers.
8200 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
8201 Bruce Korb <bkorb@gnu.org>
8203 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
8204 * fixinc/README: Document how to convert sed substitutions
8205 to format style c_fix-es.
8206 * fixinc/fixincl.x: regen
8208 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
8210 * gcc.c: Add comment explaining how to add a command-line option.
8211 Add title to specs language comment.
8213 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8215 * gcc.c (cc1_options): Add "-param".
8216 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
8217 (option_map): Likewise.
8218 * toplev.c (display_help): Add entry for "--param".
8219 (independent_decode_option): Fix typographical error.
8221 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
8222 Bernd Schmidt <bernds@redhat.com>
8223 Jan Hubicka <jh@suse.cz>
8225 * i386.c (function_arg_advance): Pass SSE arguments in registers.
8226 (function_arg): Likewise.
8228 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
8230 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
8232 2001-02-21 Kazu Hirata <kazu@hxi.com>
8234 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
8238 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
8240 * flow.c (init_propagate_block_info): Canon address and use single_set
8241 for killing dead memory stores.
8243 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
8245 * Makefile.in (reorg.o): Add params.h dependence.
8246 * params.def: Fix typographical error in comment.
8247 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8248 * params.h: Modify introductory comment.
8249 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
8250 * reorg.c: Add dependence on params.h.
8251 (redundant_insn): Add parameterized throttle for search.
8252 (fill_simple_delay_slots): Add a comment explaining a variable.
8253 Move conditional out of loop, simplifying code.
8254 (fill_eager_delay_slots): Fix typographical error in comment.
8256 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
8258 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
8260 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
8261 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
8263 2001-02-21 Jason Merrill <jason@redhat.com>
8265 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
8266 (struct tree_decl): Add uninlinable bitfield.
8267 * c-decl.c (duplicate_decls): Set it.
8268 * integrate.c (function_cannot_inline_p): Check it.
8270 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
8271 DW_AT_MIPS_linkage_name to abstract methods.
8272 (dwarf2out_abstract_function): Emit class context before calling
8273 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
8274 (gen_subprogram_die): Remove obsolete code.
8275 (gen_member_die): Don't include clones in the member list.
8276 (gen_decl_die): Emit abstract info for clone origin.
8277 * dwarfout.c (output_type): Don't include clones in the member list.
8278 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
8279 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
8280 DECL_ABSTRACT on a function that already has it set.
8282 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
8283 (get_subprogram_die): Pass it in.
8285 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
8287 * flow.c (mark_set_1): Make not_dead unsigned long. For
8288 non-pseudos, use it as a bitmask of the hard regs that
8291 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
8293 * cppfiles.c: Update comments.
8294 (_cpp_read_file): Don't check for NULL filenames any more.
8295 * cppinit.c (cpp_start_read): Don't do canonicalization of
8296 in_fname and out_fname. Use the passed file name exclusively.
8297 (_cpp_handle_options): Don't treat "-" as a command line option,
8298 but as a normal filename.
8299 (_cpp_post_options): Canonicalize in_fname and out_fname.
8300 * cppmain.c (printer_init): Don't check out_fname for NULL.
8301 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
8302 (init_c_lex): Update, and use "" to represent stdin to CPP.
8305 2001-02-20 Will Cohen <wcohen@redhat.com>
8307 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
8308 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
8309 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
8312 2001-02-20 Stan Shebs <shebs@apple.com>
8314 * config/rs6000/rs6000.c (output_cbranch): Output branches
8315 on separate lines instead of using ';' to separate.
8317 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
8319 * cppinit.c (set_lang): Move builtin handling to...
8320 (init_builtins): ...here.
8321 (_cpp_create_reader): Move call to set_lang.
8323 2001-02-20 Mark Mitchell <mark@codesourcery.com>
8325 * stmt.c (expand_return): If an attempt is made to return the
8326 error_mar_node, treat the return like a return without a value.
8328 2001-02-19 Zack Weinberg <zackw@stanford.edu>
8330 * sibcall.c (skip_copy_to_return_value): Call
8331 identify_call_return_value here, and return orig_insn if it
8332 returns zero. Hardret and softret arguments now unnecessary.
8333 (call_ends_block_p): Don't call identify_call_return_value here.
8335 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
8337 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
8338 * ggc.h (ggc_mark_if_gcable): Delete prototype.
8340 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
8342 * pa.c (move_operand): Accept code to load the address of a
8343 symbol out of the DLT as a valid move operand.
8344 (print_operand, case 'A'): New to handle generating a DLT
8345 reference for a LO_SUM expression.
8346 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
8347 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
8349 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
8351 * README, cpp.texi, gcc.texi, version.c: Update version number to
8353 * cpp.1, gcov.1, gcc.1: Regenerate.
8355 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
8357 * cppfiles.c (stack_include_file): Generate dependencies
8358 here, and manage include_count here too.
8359 (PRINT_THIS_DEP): Delete.
8360 (_cpp_execute_include): Do not generate dependencies here,
8361 apart from the case of a missing header. Do not manage
8363 (_cpp_read_file): Leave dependency generation to
8366 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
8368 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
8369 target_cpu_default. Remove dead assignment to
8372 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
8374 * regclass.c (contains_reg_of_mode): Make global.
8375 (init_reg_sets): Remove contains_reg_of_mode; take into account
8376 CLASS_MAX_NREGS when looking for the proper mode.
8377 (dump_regclass): Dump only classes considered for the pseudo.
8378 (regclass): Use contains_reg_of_mode.
8380 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
8382 * gcc.c (do_spec_1): 'n' for printing notices.
8383 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
8385 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
8387 * reg-stack.c (next_flags_user): Use current_block->end
8388 (swap_rtx_condition): Look for next user if flags don't die;
8389 give up on CALL_INSNs; use current_block->end.
8391 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8393 * sibcall.c (call_ends_block_p): New function.
8394 (optimize_sibling_and_tail_recursive_call): Use it.
8396 2001-02-18 Kazu Hirata <kazu@hxi.com>
8398 * config/h8300/h8300.md: Update copyright.
8399 (andsi3): Do not output an extra newline character.
8401 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8403 * toplev.c (note_deferral_of_defined_inlined_function): Argument
8404 FNDECL may be unused.
8406 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
8407 follow jumps after first run.
8408 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
8409 it doesn't change any jumps.
8411 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
8413 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
8414 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
8415 (mostlyclean): Corresponding changes.
8416 * rtlanal.c (hard-reg-set.h): Include.
8417 (rtx_unstable_p): Do not treat the argument pointer specially
8418 if it is not a fixed register.
8419 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
8421 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8423 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
8424 against last real insn in basic block.
8425 Rework to avoid gotos.
8427 * Makefile.in (gcse.o): Now includes ggc.h.
8428 * gcse.c: Include ggc.h.
8429 (want_to_gcse_p): Verify expression can be in SET as valid insn.
8430 (try_replace_reg): Remove warning of uninitialize variable.
8431 (process_insert_insn): Call invalid_insn_p to validate insn.
8432 * recog.c (insn_invalid_p): Now global.
8433 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
8434 * recog.h (insn_invalid_p): New declaration.
8436 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
8438 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
8439 assignments from FP constants since 'Y' output code can't handle it.
8440 (eligible_for_sibcall_delay): Likewise.
8442 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
8443 Call fancy_abort directly, passing args.
8444 (print_rtl_and_abort): Now a macro, like fancy_abort.
8446 * final.c (output_operand_lossage): Use internal_error, not error.
8448 2001-02-18 Shane Nay <shane@agendacomputing.com>
8450 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
8451 structure shift insns.
8453 2001-02-18 Mark Mitchell <mark@codesourcery.com>
8455 * invoke.texi (-fsquangle): Remove documentation.
8456 (-fname-mangling-version): Likewise.
8458 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
8460 * optabs.c (expand_abs): Remove reference to
8461 HAVE_contitional_arithmetic.
8462 * combine.c (simplify_set): Likewise.
8464 2001-02-18 Richard Henderson <rth@redhat.com>
8466 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
8469 2001-02-18 Richard Henderson <rth@redhat.com>
8471 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
8473 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
8475 * reload1.c (reload_cse_simplify_set): Fix typo.
8477 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8479 * diagnostic.c (_fatal_insn): Decrement errorcount.
8481 * invoke.texi (-I): Add note avoiding use for system header files.
8483 * rtl.h (add_clobbers): Remove duplicate declaration.
8484 * recog.h (added_clobbers_hard_reg_p): New declaration.
8485 * genemit.c (struct clobber_pat): New field has_hard_reg.
8486 (gen_insn): Record if added clobbers clobber hard reg.
8487 (gen_split): Avoid unused warning if number of operands is 0.
8488 (output_added_clobbers_hard_reg_p): New function.
8491 2001-02-18 Alan Modra <alan@linuxcare.com.au>
8493 * pa.c (hppa_expand_prologue): Simplify code storing return
8494 pointer. For large (>=8k) frames with a post_store, adjust stack
8495 pointer by 8k-64 first rather than by 64. When testing with
8496 VAL_14_BITS_P, always use the actual value rather than the value
8497 negated. Add blockage to prevent scheduling of spills before
8498 stack frame has been created.
8499 (hppa_expand_epilogue): Simplify code loading return pointer.
8500 Allow a slightly larger range for merge_sp_adjust_with_load case.
8501 When testing with VAL_14_BITS_P, always use the actual value.
8503 * pa.c (pa_adjust_insn_length): Check that block move
8504 pattern is a set before looking at operands.
8506 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8508 * fold-const.c (fold_binary_op_with_conditional_arg): New
8509 function, split out from ...
8511 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
8512 conditional arms that throw exceptions.
8514 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
8517 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8519 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
8520 define HAVE_DECL_* to 1 to mask potential backup declarations.
8521 * configure: Regenerated.
8523 2001-02-17 Mark Mitchell <mark@codesourcery.com>
8525 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
8527 2001-02-17 Richard Henderson <rth@redhat.com>
8529 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
8530 when replacing a memory load with a register.
8532 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8533 Jan Hubicka <jh@suse.cz>
8535 * recog.c (validate_replace_src_1): New.
8536 (validate_replace_src_data): Likewise.
8537 (validate_replace_src): Use note_uses.
8538 * rtl.h (note_uses): Declare.
8539 * rtlanal.c (note_uses): New.
8541 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
8543 * reg-stack.c (stack_def): Make field reg unsigned.
8544 (remove_regno_note): Unsignetize parameter.
8546 2001-02-16 Jes Sorensen <jes@linuxcare.com>
8548 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
8549 shladd_operand() call.
8551 2001-02-16 Bruce Korb <bkorb@gnu.org>
8552 Rodney Brown <RodneyBrown@mynd.com>
8554 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
8555 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
8556 machine restrictions
8557 * fixinc/fixincl.x: regen
8559 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8561 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
8563 (hash_scan_insn): Clean up calls to hash_scan_set.
8564 (compute_kill_rd): REGNO now unsigned.
8565 (try_replace_reg): Rework to use simplify_replace_rtx.
8566 (cprop_jump, cprop_cc0_jump): Likewise.
8567 (cprop_insn): Call find_reg_equal_equiv_note.
8568 Reflect changes to cprop_jump and cprop_cc0_jump.
8570 * recog.c (validate_replace_src): Replace in operands of
8571 ZERO_EXTRACT in SET_DEST.
8573 * cse.c (new_label_ref): New variable.
8574 (insert): Set it instead of recorded_label_ref.
8575 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
8576 CODE_LABEL for this function, and not already in REG_LABEL note.
8578 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
8580 * resource.c (mark_referenced_resources): Fix typo in introductory
8582 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
8585 2001-02-16 Jason Merrill <jason@redhat.com>
8587 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
8589 (gen_subprogram_die): Don't abort on seeing a second definition if
8590 the previous one was abstract. Don't replace an abstract instance
8591 in the lookup table.
8593 * dwarf2out.c (dwarf2out_abstract_function): Rename from
8594 gen_abstract_function.
8595 * dwarf2out.h: Declare it.
8596 * toplev.c (note_outlining_of_inline_function): New fn.
8597 * toplev.h: Declare it.
8598 * integrate.c (output_inline_function): Call it.
8599 * c-decl.c (duplicate_decls): Call it when redefining an extern
8600 inline. Don't inline the new defn.
8602 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
8604 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8606 * .gdbinit: Rename to gdbinit.in.
8607 * gdbinit.in: New file,
8608 * configure.in: Generate .gdbinit from gdbinit.in.
8609 * configure: Regenerated.
8610 * Makefile.in (distclean): Always remove .gdbinit.
8612 2001-02-16 Jakub Jelinek <jakub@redhat.com>
8614 * objc/objc-act.c (start_class): Register implemented_classes with
8617 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
8619 * cppfiles.c (_cpp_make_system_header): Generate a file
8622 2001-02-15 Jim Meyering <meyering@lucent.com>
8624 * Makefile.in (install-common): Don't depend on installdirs here.
8625 Instead, make each of the lang.install-common targets (e.g.,
8626 c++.install-common in cp/Make-lang.in) depend on it.
8627 (install-driver): Depend on installdirs.
8629 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8631 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
8633 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
8636 2001-02-15 Mark Mitchell <mark@codesourcery.com>
8638 * invoke.texi (--param): Document.
8640 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
8642 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
8644 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
8646 * i386.md (extendsfdf2_2): Fix constraints.
8648 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
8650 * i386.md (fop_df_3 splitter): Fix operand number.
8652 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
8654 * invoke.texi (-mreg-alloc): Nuke.
8655 * i386.c (ix86_reg_alloc_order, regs_allocated,
8656 order_regs_for_local_alloc): Nuke.
8657 (override_options): Kill reg_alloc code.
8658 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
8659 (REG_ALLOC_ORDER): SSE goes before I387.
8660 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
8661 (ix86_reg_alloc_order): Likewise.
8662 * i386-protos.h (ix86_reg_alloc_order): Kill.
8664 2001-02-14 Richard Henderson <rth@redhat.com>
8666 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
8668 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
8670 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
8672 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
8674 * i386-protos.h (ix86_memory_move_cost): Move offline.
8675 * i386.c (ix86_register_move_cost): Compute properly cost of
8676 SSE, MMX and i387 instructions.
8677 (*_cost): Add costs of SSE/MMX moves.
8678 (ix86_memory_move_cost): Move offline from ....; Likewise.
8679 * i386.h (MEMORY_MOVE_COST): .... here;
8680 (struct processor costs): Add new fields to represent costs
8683 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
8685 * regclass.c (init_reg_sets_1): Reinstall the optimization of
8686 move_cost together with Matt Kraai's fix.
8688 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8690 * Makefile.in (OBJS): Add params.o.
8692 2001-02-14 Richard Henderson <rth@redhat.com>
8693 DJ Delorie <dj@redhat.com>
8695 * jump.c (jump_optimize_1): When we delete a conditional jump
8696 preceeding a non-conditional jump to effectively the same place,
8697 make sure that the combined jump skips any clobber insns between
8700 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
8702 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
8704 2001-02-14 Mark Mitchell <mark@codesourcery.com>
8706 * Makefile.in (toplev.o): Depend on params.h.
8707 (intergate.o): Likewise.
8708 (params.o): New target.
8709 * flags.h (inline_max_insns): Remove.
8710 * integrate.c: Include params.h.
8711 Use MAX_INLINE_INSNS instead of inline_max_insns.
8712 * params.c: New file.
8713 * params.h: Likewise.
8714 * params.def: Likewise.
8715 * toplev.c: Include params.h.
8716 (lang_independent_params): New variable.
8717 (decode_f_option): Use the param machinery instead of setting
8719 (independent_decode_option): Handle "--param name=value".
8720 (main): Register language-independent parameters.
8722 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
8724 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
8726 2001-02-14 Richard Henderson <rth@redhat.com>
8728 * regclass.c (init_reg_sets_1): Revert last two changes.
8730 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8732 * stor-layout.c (is_pending_size, put_pending_size): New functions.
8733 (variable_size): Call put_pending_size.
8734 * tree.h (is_pending_size, put_pending_size): Add prototypes.
8735 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
8736 sizes list, put newly created SAVE_EXPR there as well.
8738 2001-02-14 Jakub Jelinek <jakub@redhat.com>
8740 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
8741 (errata_find_address_regs): load_group has only 2 entries.
8742 (errata_emit_nops): Likewise. shladd is not problematic.
8743 Clear last_group if nop was emitted.
8744 (fixup_errata): load_group has only 2 entries.
8747 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
8749 * c-lex.c (lex_number): Only warn traditionally for U suffix
8750 outside system macros.
8751 * cppexp.c (parse_number): Similarly.
8752 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
8753 * cppmacro.c (struct cpp_macro): New member node.
8754 (parse_args): Only warn about missing rest args if not
8756 (funlike_invocation_p): Similarly for uninvoked funlike macros.
8757 (cpp_sys_objmacro_p): New.
8758 (_cpp_create_definition): Store the node with the macro defn.
8759 Remember if the macro is defined in a system header.
8761 2001-02-13 DJ Delorie <dj@redhat.com>
8763 * configure.in (check_languages): determine languages to check
8764 * Makefile.in (check-c++): alias for check-g++
8765 (check-f77): alias for check-g77
8766 (CHECK_TARGETS): depend on configured languages
8768 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
8770 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8771 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8772 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8773 (sqrtextendsfdf2): Disable for SSE2.
8775 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8777 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
8778 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
8779 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
8780 (sqrtextendsfdf2): Disable for SSE2.
8782 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
8784 * i386.md (movsfcc_1): Support integer cmove instruction.
8785 (movdfcc_1): Likewise; new splitter.
8787 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
8789 * i386.c (output_fp_compare): Support SSE.
8790 (prepare_fp_compare_args): SSE comparisons always support memory.
8791 * i386.h (TARGET_CMOVE): SSE imply cmove.
8792 * i386.md (cmp?f2): Enable for SSE too.
8793 (cmpfp_i*): Support SSE.
8795 (cmpfp_i_sse_only): New.
8796 (s*, b* fp expanters): Enable for SSE too.
8797 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
8800 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
8802 * regclass.c (init_reg_sets_1): Silence warning.
8804 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
8806 * i386.md (sqrt?f2): Change to expander.
8807 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
8809 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8811 * rtlanal.c (find_reg_equal_equiv_note): New function.
8812 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
8813 (simplify_gen_relational, simplify_replace_rtx): Likewise.
8814 * rtl.h: Add declarations for above functions.
8816 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
8818 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
8820 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
8821 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
8822 * flow.c (mark_regs_live_at_end): Likewise.
8823 (calculate_global_regs_live): Likewise.
8824 * gcse.c (compute_hash_table): Likewise.
8825 (compute_kill_rd): Likewise.
8826 * resource.c (mark_target_live_regs): Likewise.
8827 * rtl.h (INVALID_REGNUM): New macro.
8829 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
8831 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
8833 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
8835 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
8838 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
8840 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
8842 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
8843 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
8844 (fop_sf_1_sse, fop_df_1_sse): New patterns
8845 (fop_*): Disable float_extend and float patterns for SSE compilation.
8846 * i386.c (output_387_binary_op): Support SSE.
8848 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
8850 * i386.md (dummy_extendsfdf2): Support SSE2
8851 (extendsfdf2): Enable if 80387 or SSE2.
8852 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
8853 and no MIX_I387_SSE2
8854 (extendsfdf2_1_sse_only): New pattern.
8855 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
8857 (truncdfsf2_1): Support SSE.
8858 (truncdfsf2_2): Support SSE.
8859 (truncdfsf2_2_1_sse): New pattern.
8860 (fixtruncsfsi2): Always use SSE if available.
8861 (fix_truncsfsi_sse): New pattern.
8862 (fix_truncdfsi_sse): New pattern.
8863 (floatsis?f2): Support SSE.
8864 (floatsidf2_i387): New pattern.
8865 (floatsidf2_sse): Likewise.
8867 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8869 * configure.in: Use "have_gnat" variable, not "gnat".
8870 * configure: Regenerated.
8872 * config/sparc/sparc.c (function_value): Treat all non-record
8873 aggregate types like used to treat UNION_TYPE.
8875 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
8877 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
8878 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
8880 (MASK_MIX_SSE_I387): New.
8881 (TARGET_SSE): SSE2 imply SSE.
8882 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
8883 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
8884 (enum reg_class): Add new classes.
8885 (REG_CLASS_NAMES): Likewise.
8886 (REG_CLASS_CONTENTS): Likewise.
8887 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
8888 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
8889 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
8890 (CLASS_MAX_NREGS): Use new macros.
8891 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
8892 * i386.md (pushsf, movsf): Support SSE.
8893 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
8894 splitters to use ANY_FP_REGNO_P.
8895 (movdf_nointeger, movdf_integer): Likewise.
8897 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8899 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
8900 (try_combine): Use it.
8902 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
8904 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
8905 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
8906 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
8907 (REGISTER_MOVE_COST): Likewise.
8908 * i386-protos.h (ix86_secondary_memory_needed,
8909 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
8910 * i386.c (ix86_secondary_memory_needed,
8911 ix86_preferred_reload_class, ix86_register_move_cost): New function.
8913 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
8915 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
8916 (HARD_REGNO_MODE_OK): Move offline to ....
8917 * i386.c (ix86_hard_regno_mode_ok) ... here;
8918 refuse all incorrect modes.
8919 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
8921 2001-02-13 Richard Henderson <rth@redhat.com>
8923 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
8924 entire operator; replicate that and match_dup the operands.
8925 (cmp_ccx_arith_op_set): Likewise.
8926 (cmp_cc_arith_op_not_set): Likewise.
8927 (cmp_ccx_arith_op_not_set): Likewise.
8929 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
8931 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
8933 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8935 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
8936 (TARGET_NO_BITFIELD_WORD): New macro.
8937 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
8938 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
8940 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8942 * cselib.c: New file, from simplify-rtx.c.
8943 * simplify-rtx.c: Remove cselib parts.
8944 * Makefile.in: Add cselib.o.
8946 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
8948 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
8949 (setup_incoming_varargs): Remove warning.
8951 * config/rs6000/rs6000.c (validate_condition_mode): When
8952 flag_fast_math, allow floating-point conditionals to be reversed.
8953 (rs6000_generate_compare): When flag_fast_math, don't generate
8954 cror operations for FP conditionals.
8956 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
8958 (ASM_SPEC): Likewise.
8959 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
8960 (CC1_SPEC): Likewise.
8961 (LINK_TARGET_SPEC): Likewise.
8962 (CPP_ENDIAN_SPEC): Likewise.
8963 * Makefile.in (check-consistency): New target.
8965 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
8967 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
8968 "return type defaults" warning for functions with return type
8970 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
8971 function declarations by default rather than only when pedantic.
8973 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
8975 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
8978 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8980 * extend.texi (Deprecated): Deprecate new initializer lists.
8982 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8984 * mkdeps.c (deps_add_default_target): Robustify. Add
8985 basename component only.
8986 * cpp.texi (-M): Describe how default target is generated.
8987 * invoke.texi (-M): Likewise.
8989 2001-02-12 Kazu Hirata <kazu@hxi.com>
8991 * toplev.c (push_float_handler): Remove.
8992 (pop_float_handler): Remove.
8993 * toplev.h: Remove prototypes for the above functions.
8995 2001-02-12 Jakub Jelinek <jakub@redhat.com>
8997 * c-common.c (constant_fits_type_p): New function.
8998 (convert_and_check): Use it.
9000 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9002 * Makefile.in (GXX_ABI_FLAG): Don't define.
9003 * configure.in (--enable-new-gxx-abi): Remove option.
9004 * config.in: Regenerated.
9005 * configure: Likewise.
9007 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
9009 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
9011 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
9012 regular basic block, and arrange for all edges into it to switch
9015 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9017 * Makefile.in (distclean): Do not remove .gdbinit.
9019 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9021 * Makefile.in (gcc.o): Fix typos.
9022 (protize.o): Likewise.
9023 (unprotoize.o): Likewise.
9025 2001-02-11 Richard Henderson <rth@redhat.com>
9027 * tree.c (build1): Check for null operand in last change.
9029 2001-02-11 Richard Henderson <rth@redhat.com>
9031 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
9032 (fold): Don't assume a constant isn't foldable.
9033 * tree.c (build): Set TREE_CONSTANT for an expression with no
9034 side-effects and constant operands.
9037 2001-02-10 Richard Henderson <rth@redhat.com>
9039 * jump.c (squeeze_notes): Revert 2000-05-12 change.
9041 2001-02-10 Anthony Green <green@redhat.com>
9043 * cpp.texi (Standard Predefined): Add documentation for
9046 * c-common.c (combine_strings): Improve warning message.
9048 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
9050 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
9052 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
9054 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
9056 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
9059 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
9061 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
9064 2001-02-09 Nick Clifton <nickc@redhat.com>
9066 * config/arm/arm.md: Change output contraint on post inc
9067 load/store multiple patterns to be a read/write contraint.
9069 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
9071 * gcc.c (cpp_options): Delete .d files on error. Don't delete
9072 .o files when using the -M options.
9074 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9075 David Edelsohn <edelsohn@gnu.org>
9077 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
9078 handle DImode constants. Use one TOC entry for SImode and smaller
9079 constants, aligned properly.
9081 2001-02-08 Jason Merrill <jason@redhat.com>
9083 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
9084 about the SP adjustment for saving the static chain pointer.
9085 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
9086 offset when setting a temporary CFA register.
9088 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
9090 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
9091 powerpc-*-chorusos* .
9092 * config/rs6000/chorus.h : New file.
9093 * config/i386/chorus.h : New file.
9094 * config/sparc/chorus.h : New file.
9095 * config/sparc/t-chorus-elf : New file.
9097 2001-02-08 David Edelsohn <edelsohn@gnu.org>
9099 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
9100 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
9101 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
9102 (__WCHAR_TYPE__): Correct macro name.
9104 2001-02-08 Richard Henderson <rth@redhat.com>
9106 * config/i386/i386.c (ix86_frame_pointer_required): New.
9107 (ix86_setup_frame_addresses): New.
9108 (struct machine_funciton): Add accesses_prev_frame.
9109 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
9110 ix86_frame_pointer_required.
9111 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
9112 (SETUP_FRAME_ADDRESSES): New.
9113 * config/i386/i386-protos.h: Update.
9114 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
9115 from FRAME_POINTER_REQUIRED.
9116 * config/i386/svr3gas.h: Likewise.
9117 * config/i386/sysv3.h: Likewise.
9118 * config/i386/v3gas.h: Likewise.
9120 2001-02-08 Richard Henderson <rth@redhat.com>
9122 * config/sparc/sparc.c (function_arg_record_value_3): Fix
9123 calculation of the number of integer registers required.
9124 (function_arg_record_value): Likewise.
9126 2001-02-08 Jason Merrill <jason@redhat.com>
9128 * diagnostic.c (internal_error): Say "confused" after 1 error, not
9129 two. Print file and line with "confused" message.
9131 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
9133 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9135 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
9137 2001-02-08 Bernd Schmidt <bernds@redhat.com>
9139 * final.c (cleanup_subreg_operands): The address of a MEM can
9142 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
9145 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
9147 * gcc.texi (Incompatibilities): Update documentation of
9148 preprocessing numbers.
9150 2001-02-07 Jakub Jelinek <jakub@redhat.com>
9152 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
9154 2001-02-07 Mark Mitchell <mark@codesourcery.com>
9156 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
9158 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
9159 * gcc.c (struct compiler): Add cpp_spec field.
9160 (input_file_compiler): New variable.
9161 (do_spec_1): Allow a particular compiler to handle `%C'
9163 (main): Store the current compiler in input_file_compiler.
9164 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
9166 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
9168 * cpphash.h (struct spec_nodes): Add n_true and n_false.
9169 * cppinit.c (cpp_create_reader): Initialize them.
9170 (append_include_chain): cxx_aware arg might be unused.
9171 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
9172 keywords and give them their phase 7 meaning. Pedwarn about
9173 this unless '__bool_true_false_are_defined' is defined.
9175 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9177 * lcm.c (optimize_mode_switching): Emit mode_set before the
9178 JUMP_INSN of an abnormal edge.
9180 2001-02-07 Bernd Schmidt <bernds@redhat.com>
9182 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
9183 a scheduling barrier at the end.
9185 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
9187 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
9189 * config/sh/sh.md (reload_outsf): Removed.
9190 (movsf_ie): Introduce constraints for FPUL loads and stores.
9191 (reload_insf): Broaden the output constraint.
9193 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
9195 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
9196 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
9198 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
9200 * final.c: Revert my previous changes.
9201 * output.h: Make profile_label_no extern.
9202 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
9203 for generating label.
9205 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
9207 * config/i386/djgpp.h: Add comments about standard paths.
9208 (MD_EXEC_PREFIX): Undefine before defining.
9209 (MD_STARTFILE_PREFIX): New.
9211 2001-01-30 Bruce Korb <bkorb@gnu.org>
9213 fixinc/fixincl.c(process): Emit error message only if appropriate :)
9214 (load_file): do not rely on load_file_data() to close file pointer
9215 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
9216 fixinc/inclhack.def(irix_limits_const): add test_text
9218 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9220 * cppexp.c (parse_defined): Improve diagnostics for invalid
9223 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
9225 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
9227 2001-02-06 Mark Mitchell <mark@codesourcery.com>
9229 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
9230 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
9231 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
9232 (rs6000_output_symbol_ref): New function.
9233 (output_toc): Use VTABLE_NAME_P.
9235 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9237 * print-tree.c (print_node, case PARM_DECL):
9238 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
9240 * stor-layout.c (reference_types_internal): New variable.
9241 (internal_reference_types): New function.
9242 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
9243 * tree.h (internal_reference_types): New declaration.
9245 * cse.c (find_best_addr): Fix typo in computing cost.
9247 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9249 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
9250 and this is the sum of a pointer and a constant, we know the result
9252 (num_sign_bit_copies, case PLUS): Likewise.
9253 * explow.c (convert_memory_address): Remove opposite SUBREG.
9254 * function.c (instantiate_new_reg): New function (from common code).
9255 (instantiate_virtual_regs_1): Call it.
9256 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
9257 if pointers sign- or zero-extend.
9258 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
9259 If pointers extend unsigned, use inside of SUBREG.
9260 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
9262 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
9264 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
9265 subdir of gcc_gxx_include_dir.
9266 (gcc_gxx_target_include_dir): Remove.
9268 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
9270 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
9271 (dwarf2out_frame_debug_expr): Revise introductory comments to add
9272 a high-level description.
9274 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
9276 * final.c: Move the declaration of profile_label_no to ...
9277 * output.h: ... here.
9278 * function.c (expand_function_start): Call PROFILE_HOOK.
9279 * config/rs6000/aix.h: Define PROFILE_HOOK.
9280 * config/rs6000/rs6000-protos.h: output_profile_hook new.
9281 * config/rs6000/rs6000.c (output_profile_hook): Define.
9282 (output_prolog): Do nothing for ABI_AIX as it is taken care by
9283 output_profile_hook.
9284 tm.texi : Explain new macro PROFILE_HOOK.
9286 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
9288 * extend.texi (Extended Asm): Do not say that semicolon is always
9289 a valid line-breaking character for GNU assemblers. Use
9290 newline-tab as the most commonly supported syntax. Use
9291 newline-tab rather than semicolon in multi-insn examples.
9293 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9295 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
9297 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9298 David Edelsohn <edelsohn@gnu.org>
9300 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
9301 code for AIX, even without flag_pic.
9303 2001-02-05 Jakub Jelinek <jakub@redhat.com>
9305 * c-typeck.c (common_type): push and pop binding level around
9306 calling common_type on function parameters.
9308 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
9310 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
9312 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9314 * config/mips/mips.c (override_options): Fix typo in last change.
9315 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
9316 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
9318 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
9320 * invoke.texi (-fdump-class-layout): Document.
9321 (-fdump-translation-unit): Use `=' as filename separator.
9323 2001-02-05 Mark Mitchell <mark@codesourcery.com>
9325 * Makefile.in (s-mlib): Don't build multilibs if
9327 (DRIVER_DEFINES): Adjust accordingly.
9329 (protoize.o): Likewise.
9330 (unprotoize.o): Likewise.
9331 * configure.in: Recognize --enable-multilib.
9333 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9335 * Makefile.in (DRIVER_DEFINES): Fix quoting.
9337 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
9338 * configure.in: Remove --enable-libstdcxx_v3 support.
9339 * configure: Regenerated.
9341 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9343 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
9344 Call abort instead of fatal.
9345 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
9346 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
9347 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
9348 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
9349 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
9350 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
9352 * diagnostic.h (set_internal_error_function): Renamed.
9353 * toplev.h (internal_error): Renamed from fatal.
9354 (pfatal_with_name): Deleted.
9355 (fatal_io_error): Now has printf-style arguments.
9356 * diagnostic.c (pfatal_with_name): Deleted.
9357 (fatal_io_error): Rework to have args in printf-style.
9358 (set_internal_error_function): Renamed from set_fatal_function.
9359 (internal_error): Renamed from fatal.
9360 (error_recursion, fancy_abort): Call internal_error instead of fatal.
9361 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
9362 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
9363 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
9364 * flow.c (verify_flow_info): Likewise.
9365 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
9366 * config/mips/mips.c (save_restore_insns): Likewise.
9368 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
9369 * flow.c (verify_flow_info): Likewise.
9370 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
9371 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
9372 (avr_normalize_condition): Likewise.
9373 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
9374 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
9375 (limit_reload_class, double_reg_to_memory): Likewise.
9376 (print_operand_address, emit_1600_code_shift): Likewise.
9377 (gen_tst_reg, gen_compare_reg): Likewise.
9378 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
9379 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
9381 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
9383 * c-parse.in (methoddef): Call fatal_error instead of fatal.
9384 * objc/objc-act.c (build_ivar_chain): Likewise.
9385 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
9387 * graph.c (clean_graph_dump_file): Likewise.
9388 * profile.c (init_branch_prob): Likewise.
9389 * objc/objc-act.c (objc_init): Likewise.
9391 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
9392 * config/avr/avr.c (avr_override_options): Likewise.
9393 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
9394 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
9395 * config/h8300/h8300.c (h8300_init_once): Likewise.
9396 * config/mips/mips.c (override_options): Likewise.
9397 * config/i386/i386.c (override_options): Likewise, rework.
9398 * config/m68k/m68k.c (override_options): Likewise.
9400 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
9402 * config/mips/mips.c (print_operand): Likewise.
9403 * hash.c (hash_allocate): Don't check for failure returns from
9404 obstack functions that can't fail.
9405 (hash_table_init_n, hash_table_init): Likewise; also now return void.
9406 * hash.h (hash_table_init_n, hash_table_init): Now return void.
9407 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
9408 (get_object_reference): Likewise.
9410 2001-02-04 Nick Clifton <nickc@redhat.com>
9412 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
9413 StrongARM1110, 10TDMI, and 1020T.
9415 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9417 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
9419 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
9421 * config/sh/sh.md (movdf load split): Pass register number to
9422 FP_OR_XD_REGISTER_P.
9424 2001-02-04 Mark Mitchell <mark@codesourcery.com>
9426 * cppinit.c (BC): New macro.
9427 (builtin_array): Add __GXX_WEAK__.
9428 * cpplib.h (builtin_type): Add BT_WEAK.
9429 * cppmacro.c (builtin_macro): Handle BT_WEAK.
9430 * defaults.h (SUPPORTS_ONE_ONLY): Define.
9431 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
9433 2001-02-03 Jakub Jelinek <jakub@redhat.com>
9435 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
9437 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9439 * cpphash.h: Rename _ALIGN POOL_ALIGN.
9440 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9442 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
9444 * cpphash.h: Rename ALIGN _ALIGN.
9445 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
9447 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
9449 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
9450 compilation environment.
9451 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
9452 control over location of cygwin includes and libs.
9454 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9456 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
9458 2001-02-02 lars brinkhoff <lars@nocrew.org>
9460 * md.texi (Standard Names): remove reference to spur.md.
9462 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
9464 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
9465 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
9466 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
9467 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
9468 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
9470 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9472 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
9473 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
9474 number before reload.
9475 (c4x_adjust_cost): Return zero before reload.
9476 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
9477 split before reload.
9479 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9481 * c4x.c (c4x_hard_regno_rename_ok): New.
9482 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
9483 * c4x.h (HARD_REGNO_RENAME_OK): Define.
9485 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9487 * diagnostic.h: Add missing "extern" in all declarations.
9489 2001-02-02 Alex Samuel <samuel@codesourcery.com>
9491 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
9492 as for gcc_gxx_include_dir.
9494 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
9496 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
9498 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9500 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
9501 label before alignment to be used as the braf base address.
9502 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
9504 (casesi_jump_2): Require at least TARGET_SH2.
9506 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
9507 truncation to 32-bit doubles on -m3e and -m4-single-only.
9509 2001-02-02 Mark Mitchell <mark@codesourcery.com>
9511 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
9512 the default when building a shared object.
9513 (init_spec): Use it.
9514 * testsuite/lib/g++.exp: Include the directory where libgcc
9515 is located to the LD_LIBRARY_PATH list.
9516 * invoke.texi (-shared-libgcc): Document the cases in which
9517 GCC defaults to using the shared libgcc.
9519 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
9521 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
9522 unsigned is wide enough.
9524 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
9525 (si_to_float): Likewise.
9526 (float_to_si, float_to_usi): Use BITS_PER_SI.
9528 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9530 * dwarf2out.c: Added explanation of abbreviations.
9531 (def_cfa_1): Added comments listing DWARF2 instructions.
9532 (cfa_temp_reg): Removed in favor of cfa_temp.
9533 (cfa_temp_value): Removed in favor of cfa_temp.
9534 (cfa_temp): New global variable.
9535 (dwarf2out_frame_debug_expr): Added extensive introductory
9536 comments explaining the function's transformations. Revised to
9537 use cfa_temp. Added some rtx checking. Generalize IOR case.
9538 (dwarf2out_frame_debug): Revised to use cfa_temp.
9539 (output_aranges): Cast as "unsigned" to avoid warning.
9540 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
9541 explain which instructions must be marked.
9543 2001-02-01 Richard Henderson <rth@redhat.com>
9545 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
9548 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
9550 * config/sh/crt1.asm (main_k): Modified so that start calls
9551 ___setup_argv_and_call_main.
9553 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
9555 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
9556 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
9557 and AVOID_LPASTE is cleared on meeting an unescaped newline.
9558 * cppmacro.c (builtin_macro): Set builtin flags here.
9559 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
9560 (replace_args): Clarify intent.
9561 (cpp_get_token): Macro expansion tokens get the saved flags.
9563 * cppmain.c (scan_buffer): Remove now-redundant print.printed
9566 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
9568 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
9571 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9573 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
9574 returns Pmode pseudo, but we need ptr_mode.
9575 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
9576 Remove bogus conversions; use HOST_WIDE_INT for size.
9577 Don't use TARGET if wrong mode.
9579 * config/i386/i386.c (ix86_compute_frame_size): Allow
9580 stack_alignment_needed to be non-default even if size is zero.
9582 2001-01-31 Alan Modra <alan@linuxcare.com.au>
9584 * pa.c (hppa_init_pic_save): New function.
9585 * pa.h (hppa_init_pic_save): Declare.
9586 * pa.md (call, call_value, sibcall, sibcall_value): Use
9587 the above instead of duplicated code.
9589 * pa.c (hppa_encode_label): Correct size of alloca buffer
9590 so we don't overrun it. Correct leading `*' case.
9591 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
9592 need to handle `*@'.
9593 (FUNCTION_NAME_P): Likewise.
9595 2001-01-31 Richard Henderson <rth@redhat.com>
9597 * config.gcc (alpha-osf5): Use float-i128.h.
9599 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
9600 * config/float-i32.h: Likewise.
9601 * config/float-i64.h: Likewise.
9602 * config/float-sh.h: Likewise.
9603 * config/float-sparc.h: Likewise.
9605 2001-01-31 DJ Delorie <dj@redhat.com>
9607 * expmed.c (extract_bit_field): allow non-integral modes if we
9608 want to extract a whole register from itself.
9610 2001-01-31 Jakub Jelinek <jakub@redhat.com>
9612 * c-typeck.c (set_init_index): If first is equal to last, assume as
9613 if it was not a range at all.
9615 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9617 * config/fp-bit.c: Include tm.h.
9618 (float_to_si): Don't assume SImode is 32-bits wide.
9619 (float_to_usi): Likewise.
9621 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
9623 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
9625 (typename): Call pending_xref_error after parsing typed_typespecs.
9626 * c-decl.c (lookup_tag): Give error immediately rather than
9627 leaving it pending if the tag of the wrong type is in the same
9629 (xref_tag): Don't pedwarn for forward declarations of enum types
9631 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
9634 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9636 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
9638 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9640 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
9641 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
9643 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
9645 * cpphash.h (struct cpp_reader): New saved_flags.
9646 * cppmacro.c (cpp_get_token): Use saved_flags to remember
9647 to avoid a paste after a pasted token.
9649 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
9651 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
9652 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
9653 Wtype_MIN instead of LONG_MIN.
9655 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9657 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
9659 * fixinc/fixincl.x: Regenerated.
9660 * fixinc/inclhack.def (irix_limits_const): New definition to
9661 convert "const" to "__const" in limits.h.
9663 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
9665 * fixinc/genfixes (AG): Fix "autogen4" thinko.
9667 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9669 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
9670 when register dies in the insn.
9672 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9674 * diagnostic.c (fatal): Fix word wrap.
9676 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
9678 * combine.c (try_combine): Fix SUBREG setting for
9679 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
9681 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9683 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
9686 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
9688 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
9690 * toplev.c (decode_W_option): Update warn_larger_than
9691 unconditionally for each processed switch.
9693 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
9695 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
9697 (hppa_expand_prologue): Delete code to save pic offset table register
9698 in the function prologue.
9699 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
9700 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
9701 table register at the beginning of the function after the prologue.
9703 2001-01-29 lars brinkhoff <lars@nocrew.org>
9705 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
9707 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
9708 Jeff Law <law@redhat.com>
9710 * pa.md (return): Revise comment for trivial return.
9711 (return_internal): Non-trivial return pattern for non-PIC code.
9712 (return_internal_pic): Non-trivial return pattern for PIC code.
9713 It uses the PIC register to ensure it is restored after
9715 (epilogue): Generate appropriate return for PIC and non-PIC code.
9717 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
9719 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
9721 2001-01-29 DJ Delorie <dj@redhat.com>
9723 * combine.c (if_then_else_cond): Pass the correct mode to
9724 operand_subword() for constants.
9726 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
9728 * config/i386/cygwin.h: Add w32api to include search. Search different
9729 directories in a cross-build environment.
9731 2001-11-29 Tim Josling <tej@melbpc.org.au>
9733 * tree.h (TYPE_STUB_DECL): Add documentation.
9735 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
9737 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
9738 (sdbout_field_types): Likwise. Fix use of host_integerp.
9740 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
9742 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
9745 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
9747 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
9748 to use flag_gnu_linker.
9750 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
9752 * cpplib.c (T_BAD_DIRECTIVE): Remove.
9753 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
9755 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
9757 * tree.c, tree.h (build_parse_node): Remove; was identical to
9759 * c-lang.c (start_cdtor), objc/objc-act.c
9760 (build_module_descriptor): Use build_nt instead of
9763 2001-01-29 Jakub Jelinek <jakub@redhat.com>
9765 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
9766 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
9767 not have any upper bits set.
9769 2001-01-29 Phil Edwards <pme@sources.redhat.com>
9771 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
9773 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9775 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
9777 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
9779 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
9780 (integer_minus_one_node): Define.
9782 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
9784 * Makefile.in (bootstrap2-lean): Fix typo.
9786 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
9788 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
9789 : Don't set fe_value.
9790 * cpplib.h (AVOID_LPASTE): New flag.
9791 (struct cpp_hashnode): Remove fe_value.
9792 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
9793 * cppmacro.c (builtin_macro): Don't set flags here.
9794 (replace_args): Set AVOID_LPASTE flag on first token of an
9795 argument, and the token following it.
9796 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
9797 macro expansion, and on the token following it. Do it for
9799 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
9801 2001-01-27 Richard Henderson <rth@redhat.com>
9803 * config/alpha/t-ieee: Remove multilibbing.
9804 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
9806 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9808 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
9810 * Makefile.in: Remove all dependencies on defaults.h.
9811 * builtins.c: Don't include defaults.h.
9812 * c-common.c: Likewise.
9813 * c-decl.c: Likewise.
9814 * c-pragma.c: Likewise.
9815 * c-typeck.c: Likewise.
9816 * combine.c: Likewise.
9818 * frame-ia64.c: Likewise.
9819 * cppexp.c: Likewise.
9820 * crtstuff.c: Likewise.
9821 * dbxout.c: Likewise.
9822 * dwarf2out.c: Likewise.
9823 * dwarfout.c: Likewise.
9824 * emit-rtl.c: Likewise.
9825 * except.c: Likewise.
9827 * final.c: Likewise.
9828 * frame-dwarf2.c: Likewise.
9829 * libgcc2.c: Likewise.
9830 * optabs.c: Likewise.
9831 * profile.c: Likewise.
9832 * sdbout.c: Likewise.
9833 * toplev.c: Likewise.
9834 * tradcif.y: Likewise.
9836 * varasm.c: Likewise.
9838 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9840 * builtins.c (expand_builtin_fputs): Use size_one_node when
9841 transforming into fwrite.
9843 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
9845 * extend.texi (Attribute Syntax): New section.
9847 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9849 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
9850 they didn't need fixing.
9852 2001-01-27 Janis Johnson <janis@us.ibm.com>
9854 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
9856 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
9857 to remove macro definitions that are duplicated from elfos.h.
9859 2001-01-27 Richard Henderson <rth@redhat.com>
9861 * config/i386/sco5gas.h: Move ...
9862 * config/usegas.h: ... here.
9863 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
9865 2001-01-27 Jakub Jelinek <jakub@redhat.com>
9867 * c-typeck.c (struct constructor_stack): Add range_stack member.
9868 (really_start_incremental_init): Clear it.
9869 (push_init_level): Save constructor_range_stack and clear it if
9870 pushing explicit braces.
9871 (pop_init_level): abort if constructor_range_stack is non-zero at
9872 explicit closing brace. Restore saved constructor_range_stack if
9875 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9877 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
9878 into register was forced into memory.
9880 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
9882 * Makefile.in: Remove uses of + before $(MAKE).
9884 2001-01-26 Richard Henderson <rth@redhat.com>
9886 * stmt.c (cost_table): Remove.
9887 (COST_TABLE, cost_table_initialized): New.
9888 (estimate_case_costs): Use the later instead of the former.
9889 (balance_case_nodes): Likewise.
9891 2001-01-26 Richard Henderson <rth@redhat.com>
9893 * alias.c (objects_must_conflict_p): Read-only slots may not
9894 conflict despite having the same type.
9896 2001-01-27 Michael Hayes <mhayes@redhat.com>
9898 * loop.c (loop_giv_reduce_benefit): Copy mode size into
9900 (check_ext_dependant_givs): Initialise u_start_val and
9902 (load_mems): Make last_max_reg unsigned.
9903 (try_swap_copy_prop): Use INSN_P and initialise set.
9905 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
9907 * README.AVR : Removed.
9909 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
9911 * pa-64.h (text_section): Remove declaration.
9913 * pa.md (return_internal): Remove mode on PIC register use.
9915 2001-01-25 lars brinkhoff <lars@nocrew.org>
9917 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
9918 ASM_CLOSE_PAREN): fix typos.
9920 2001-01-25 Mark Mitchell <mark@codesourcery.com>
9922 * acconfig.h: Define `const' to the empty string if neither
9923 __STDC__ nor __cplusplus is defined.
9924 * config.in: Regenerated.
9926 2001-01-25 David Edelsohn <edelsohn@gnu.org>
9928 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
9929 * collect2.c (main): Delete importf. Add ".obj" file extension.
9930 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
9931 (aix_std_libs): Add additional AIX libraries to skip.
9932 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
9933 * config/rs6000/aix51.h: New file.
9935 2001-01-25 Michael Hayes <mhayes@redhat.com>
9937 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
9938 (loop_insn_emit_before): No longer static.
9939 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
9940 (loop_givs_rescan, load_mems): Likewise.
9941 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
9942 (maybe_eliminate_biv_1):
9943 (move_movables): Replace emit_call_insn_before with
9944 loop_call_insn_hoist.
9945 * loop.h (loop_insn_emit_before): Add.
9946 * unroll.c (copy_loop_body): Replace emit_insn_before with
9947 loop_insn_emit_before.
9949 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
9951 * diagnostic.c (fatal): Request preprocessed source.
9953 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
9955 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
9956 olddecl has argument types and newdecl has none, use the argument
9959 2001-01-24 Ulrich Drepper <drepper@redhat.com>
9961 * dwarf2out.c (prefix_of): New function. Determine longest common
9962 prefix of the two arguments. The units are whole path components.
9963 (output_file_names): When adding a new directory find the one entry
9964 with the longest common prefix already in the list. Artificially
9965 generate entry if there is none for this prefix.
9966 Fix test to check whether the zeroth directory entry is used.
9968 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
9970 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
9971 Changed all callers. Take it into account when deciding if a
9972 previously loaded value matches.
9974 2001-01-24 Richard Henderson <rth@redhat.com>
9976 * reload.c (find_reloads_subreg_address): Fail the substitution
9977 if the resulting address is insufficiently aligned.
9979 2001-01-24 DJ Delorie <dj@redhat.com>
9981 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
9982 check the original operand's mode also.
9983 * simplify-rtx.c (simplify_ternary_operation): Ditto.
9985 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9987 * c-parse.in (cast_expr): Move compound literals from here ...
9988 (primary): ... to here. Use standard terminology "compound
9989 literal" instead of "constructor expression".
9991 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9993 * gcc.1, cpp.1: Regenerate.
9995 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
9997 * calls.c (emit_library_call_value_1): Memory slot for
9998 pass-by-reference argument should have the mode of the argument,
9999 not of the pointer to it.
10001 2001-01-24 Tom Tromey <tromey@redhat.com>
10003 * gcc.texi (G++ and GCC): Mention gcj manual.
10004 (Standards): Link to section of manual mentioning gcj/Java
10007 2001-01-24 Jakub Jelinek <jakub@redhat.com>
10009 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
10010 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
10011 * tradcpp.c (main): Add -imacros or -include'd dependencies
10013 * cpp.texi (-M, -MM): Document -M -include behaviour.
10015 2001-01-24 Roger Collins <roger@ProProject.com>
10017 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
10019 2001-01-24 Will Cohen <wcohen@redhat.com>
10021 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
10022 whether registers are 32 bits or 64 bits in size.
10024 2001-01-24 Ben Elliston <bje@redhat.com>
10026 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
10028 2001-01-24 Richard Henderson <rth@redhat.com>
10030 * config/alpha/alpha.md (builtin_longjmp_internal): New.
10031 (builtin_longjmp): Use it instead of emit_indirect_jump.
10033 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
10035 * bb-reorder.c (make_reorder_chain_1): Handle case where
10036 jump edge goes to the same block as the fallthru edge.
10038 2001-01-23 Jim Wilson <wilson@redhat.com>
10040 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
10041 * frame.h (__ia64_personality_v1): Add prototype.
10042 * libgcc2.c (ia64_throw_helper): Change personality declaration to
10043 prototype form. Add void * cast to first argument to personality
10045 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
10046 (asctoe113): Likewise.
10047 * config/ia64/frame-ia64.c: Include eh-common.h.
10048 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
10050 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
10052 (itanium_split_issue): Add prototype.
10053 (gen_nop_type): Ifdef out.
10054 (find_best_packet): Initialize best_packet.
10055 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
10057 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
10058 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
10059 (flushrs): Add explicit stop bit at end.
10060 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
10063 2001-01-23 Chris Demetriou <cgd@broadcom.com>
10065 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
10067 * libgcc2.c (__terminate_func): Make variable static.
10068 (__terminate_set_func): New function to set __terminate_func.
10069 * libgcc2.h (__terminate_func_ptr): New typedef.
10070 (__terminate_set_func): New function.
10072 2001-01-23 Richard Henderson <rth@redhat.com>
10074 * flow.c (init_propagate_block_info): Don't consider unchanging
10075 memories for dead frame store elimination.
10077 2001-01-23 Richard Henderson <rth@redhat.com>
10079 * varasm.c (UNIQUE_SECTION): Move default implementation ...
10080 * defaults.h: ... here.
10082 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10084 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
10086 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
10088 * c-lex.c (lex_charconst): Fix typo: s/p/str.
10090 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10092 * rs6000.h (rs6000_return_addr): Move prototype from here...
10093 * rs6000-protos.h (rs6000_return_addr): ...to here.
10094 (rs6000_init_expanders): Delete prototype.
10096 2001-01-23 Nick Clifton <nickc@redhat.com>
10098 * invoke.texi: Replace , with \, inside @gccoptlist macros.
10099 (Spec Files): Document %B and %j and %. and %v3 and %M and
10100 %{S*&T} spec switches.
10102 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10104 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
10106 2001-01-23 Chris Demetriou <cgd@sibyte.com>
10107 Neil Booth <neil@daikokuya.demon.co.uk>
10109 * cpperror.c: Merge handlers of PEDWARN and WARNING.
10110 Have -Werror make pedantic warnings errors, like the
10113 2001-01-23 Phil Edwards <pme@sources.redhat.com>
10115 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
10117 2001-01-23 Jakub Jelinek <jakub@redhat.com>
10119 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
10120 * integrate.c (expand_inline_function): Initialize them.
10121 (subst_constants): If changing COMPARE so that both its arguments
10122 will be VOIDmode and the comparison mode will be lost, note
10123 compare_mode. Use the recorded compare_mode to optimize
10126 2001-01-23 Jason Merrill <jason@redhat.com>
10128 * dwarf2out.c (new_die): Use xcalloc.
10129 (output_die): Abort rather than emit a local reference to offset 0.
10131 2001-01-17 Andrew Haley <aph@redhat.com>
10133 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
10134 of a saved register; return NULL instead.
10135 (copy_reg): Take a pointer to a source register rather than a
10137 (next_stack_level): Remember the address in the stack frame of all
10139 Use the saved register pointer array as the source of the CFA.
10140 (throw_helper): Rewrite. Unwind once rather than twice and keep
10141 track of saved registers as we go.
10143 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10145 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
10146 * c4x.c (c4x_legitimize_reload_address): Remove.
10147 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
10148 reload address for ldp(k) insn.
10150 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
10152 * pa.md (return_internal): Add a USE of the PIC register to ensure
10153 it is restored after each call.
10154 (return expander): Corresponding changes.
10156 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10158 * rs6000.h (INIT_EXPANDERS): Delete.
10159 (RETURN_ADDR_RTX): Call rs6000_return_addr().
10160 * rs6000.c (rs6000_override_options): Call *_machine_status from
10162 (rs6000_init_expanders): ...instead of here. Delete.
10163 (rs6000_mark_machine_status): New function.
10164 (rs6000_init_machine_status): Use xcalloc.
10165 (rs6000_return_addr): Generate RTX for the return address.
10166 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
10167 (rs6000_stack_info): Use it.
10169 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
10171 * gthr-win32.h: Include errno.h to get a declaration for
10172 EINVAL and _mingw.h if the target is mingw32.
10174 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
10176 * cpp.texi: Correct typos.
10178 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10180 * explow.c (probe_stack_range): Ensure value passed to
10181 stack_check_libfunc is ptr_mode, not Pmode.
10183 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
10185 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
10186 case, don't use operand_subword to calculate a SUBREG that is
10189 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
10191 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10193 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
10194 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
10195 valid. If not replace it by equivalent insns.
10197 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10199 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
10200 contains SYMBOL_REF, LABEL_REF and CONST_INT.
10201 (c4x_U_constraint, symbolic_address_operand): Likewise.
10202 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
10204 (c4x_r11_set_p, c4x_check_laj_p): New functions.
10205 * c4x-protos.h (c4x_check_laj_p): Add prototype.
10206 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
10207 anulling slot because of silicon bug.
10208 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
10210 2001-01-22 Alan Modra <alan@linuxcare.com.au>
10212 * cppexp.c (parse_charconst): Change `mask' type to agree
10215 2001-01-21 Richard Henderson <rth@redhat.com>
10217 * config/i386/i386.c (ix86_asm_file_end): Disable putting
10218 pic_label_name in a linkonce section.
10220 2001-01-17 Philipp Thomas <pthomas@suse.de>
10222 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
10224 * configure: Regenerate.
10226 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
10228 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
10229 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
10231 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
10233 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
10234 If REVERSE nonzero then condition code in X must be reversed.
10235 (encode_section_info): Optimise if/else.
10236 (avr_function_value): Fix formatting.
10238 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
10239 (difficult_branch): Likewise.
10240 (rvbranch): Likewise.
10241 (difficult_rvbranch): Likewise.
10243 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
10245 * config/avr/libgcc.S: Fix comment.
10247 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10249 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
10251 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10253 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
10255 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10257 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
10258 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
10259 * configure, config.in: Regenerate.
10260 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
10261 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
10262 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
10263 (doprint.o): New rule.
10265 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
10267 * c-typeck.c (digest_init): Handle boolean types as scalars.
10269 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10271 * stmt.c (expand_return): Don't return anything if size is zero.
10272 Delete redundant assignment to BYTES.
10273 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
10275 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
10277 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
10278 the same as the default library function names.
10279 * config/avr/avr.md: Document special characters after '%'.
10280 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
10281 knowing which of the call-used registers are really clobbered.
10282 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
10283 New. Both quotient and remainder from one libgcc.S call.
10284 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
10285 clobber as few registers as possible.
10286 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
10288 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
10290 * cppmacro.c (funlike_invocation_p): Don't move back up to the
10291 context of the top of the stack.
10293 2001-01-20 Jakub Jelinek <jakub@redhat.com>
10295 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
10296 (fixup_var_refs_insns): ...here.
10298 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
10300 * function.c (fixup_var_refs_insns): Break up into
10301 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
10302 [loop over entire insn list], and fixup_var_refs_insns_with_hash
10303 [loop over hash table entries].
10304 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
10305 fixup_var_refs_insns_with_hash, to match above changes.
10307 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
10309 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
10310 (libgcc.a): Likewise.
10311 (stmp-multilib): Likewise.
10312 (STAGE2_FLAGS_TO_PASS): Likewise.
10314 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
10316 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
10317 temporary if no_new_pseudos.
10319 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
10321 * cppinternals.texi: Update.
10323 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
10325 * arm.c (arm_init_builtins): Re-enable builtins.
10327 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10329 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
10330 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
10331 element to be null, and always expect an EXPR_LIST.
10332 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
10333 * sched-deps.c (sched_analyze_1): Likewise.
10334 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10336 * regclass.c (max_set_parallel): New variable.
10337 (reg_scan): Take it into account in computation of max_parallel.
10338 (reg_scan_mark_refs, case SET): Compute it.
10340 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
10342 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
10343 * function.c (assign_parms): Use INTVAL for a CONST_INT.
10345 2001-01-19 Jason Merrill <jason@redhat.com>
10347 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
10348 for the abstract instance of an inline function.
10350 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
10351 J"orn Rennecke <amylaar@redhat.com>
10353 * reload1.c (move2add_note_store): Treat all registers directly or
10354 indirectly derived from a base register as members of the same set
10356 (reload_cse_move2add): Adjust accordingly. Take mode and offset
10357 of base register into account.
10359 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
10361 * alias.c (find_base_value): Recognize TRUNCATE.
10362 (record_set): In PLUS case, invalidate if other summand is also a
10365 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10367 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
10368 entry to be EXPR_LIST.
10369 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
10370 be an EXPR_LIST (but not null, which other code doesn't allow).
10371 (note_stores): Properly handle PARALLEL in SET.
10372 Recursively call for top-level PARALLEL.
10373 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
10374 * sched-rgn.c (check_live_1, update_live_1): Likewise.
10376 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
10378 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
10380 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
10381 not pfile->skipping (== 0).
10383 2001-01-17 Nick Clifton <nickc@redhat.com>
10385 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
10388 2001-01-17 Jim Wilson <wilson@redhat.com>
10390 * invoke.texi (IA-64 options): Improve.
10392 2001-01-17 Tom Tromey <tromey@redhat.com>
10394 * invoke.texi (Optimize Options): Use `{}' to around @samp
10397 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
10399 * invoke.texi (-fno-guess-branch-probability): New option.
10401 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10403 * combine.c (try_combine): Don't set i3_subst_into_i2 for
10404 case of making new double-word constant.
10405 Revert last change: instead just test i3_subst_into_i2.
10407 2001-01-17 Jakub Jelinek <jakub@redhat.com>
10409 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
10410 Use q constraints instead of r.
10412 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
10414 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
10415 (machine_function): Define.
10416 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
10417 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
10418 pa_free_machine_status): New functions.
10419 (override_options): Set {init,mark,free}_machine_status to above.
10420 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10421 PIC_OFFSET_TABLE_REGNUM_SAVED.
10422 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
10423 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
10424 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
10425 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
10426 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10428 2001-01-15 DJ Delorie <dj@redhat.com>
10430 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
10434 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10436 * flow.c (propagate_one_insn): Make trying to delete a prologue
10437 or epilogue insn an ICE, not a warning. Allow doing this if
10438 the current function returns with stack pointer depressed.
10440 * combine.c (try_combine): If i3_subst_into_i2, properly check for
10441 I3 having more than one SET.
10443 2001-01-16 Jim Wilson <wilson@redhat.com>
10445 * invoke.texi: Document IA-64 options.
10447 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
10448 (fixup_errata): Delete TARGET_A_STEP use.
10449 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
10450 (TARGET_SWITCHES): Delete -ma-step option.
10451 * config/ia64/ia64.md (all FP patterns): Delete %B0.
10452 (movqicc_astep, movqi_internal_astep, movhicc_astep,
10453 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
10454 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
10455 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
10456 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
10458 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
10459 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
10460 cmovsi_internal): Delete ! TARGET_A_STEP check.
10462 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10464 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
10465 possibility to report bugs via postal mail. Change a URL and
10466 merge in a nearly duplicate statement...
10467 (Bug Reporting): ...from here.
10468 (Service): Refer to the Bug Reporting section instead of
10469 duplicating an URL.
10470 (Contributing): Remove trivial explanations concerning snapshots.
10472 2001-01-16 Alan Modra <alan@linuxcare.com.au>
10474 * cppmain.c (general_init): Don't use ANSI prototype.
10476 2001-01-16 Tom Tromey <tromey@redhat.com>
10478 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
10480 2001-01-16 Richard Henderson <rth@redhat.com>
10482 * config/i386/i386.h: Fix comment typo.
10483 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
10484 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
10486 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10488 * gcc.c: Revert previous -fsyntax-only-related change; move
10491 2001-01-16 Jakub Jelinek <jakub@redhat.com>
10493 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
10494 inmode after checking GET_CODE (op).
10496 2001-01-16 Richard Henderson <rth@redhat.com>
10498 * flow.c (struct propagate_block_info): Add mem_set_list_len.
10499 (MAX_MEM_SET_LIST_LEN): New.
10500 (propagate_one_insn): Update mem_set_list_len.
10501 (invalidate_mems_from_autoinc): Likewise.
10502 (invalidate_mems_from_set): Likewise.
10503 (mark_used_regs): Likewise.
10504 (init_propagate_block_info): Likewise. Stop collecting memories
10505 when we reach MAX_MEM_SET_LIST_LEN.
10506 (mark_set_1): Likewise.
10508 2001-01-16 Richard Henderson <rth@redhat.com>
10510 * unroll.c (precondition_loop_p): Fail if no iteration
10513 2001-01-16 Phil Edwards <pme@sources.redhat.com>
10515 * gcc.c: When -fsyntax-only is given, do not complain about
10518 2001-01-15 Richard Henderson <rth@redhat.com>
10520 * config/i386/i386.c (asm_output_function_prefix): Remove.
10521 (ix86_asm_file_end): New.
10522 (load_pic_register): Generate pic_label_name into a
10523 staticly allocated buffer.
10524 * config/i386/i386-protos.h: Update.
10525 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
10526 (ASM_FILE_END): New.
10527 * config/i386/i386afe.h: New file.
10528 * config.gcc (i?86-*-elf) [tm_file]: Use it.
10529 (i?86-*-{freebsd,linux*,moss*}): Likewise.
10530 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
10531 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
10532 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
10533 * config/i386/sco5.h (ASM_FILE_END): Likewise.
10534 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
10536 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
10538 * Makefile.in (install-man): Remove explicit dependency on
10541 * configure.in, configure: Revert previous patch requiring perl
10544 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
10546 * toplev.c (flag_guess_branch_prob): New.
10547 (f_options): Add guess-branch-probability option.
10548 (rest_of_decl_compilation): Only estimate branch probability if
10550 (main): set flag_guess_branch_prob.
10552 * flags.h (flag_guess_branch_prob): New.
10554 2001-01-15 DJ Delorie <dj@redhat.com>
10556 * gcc.texi (Makefile): Add documentation for Makefile targets.
10558 2001-01-15 Philip Blundell <philb@gnu.org>
10560 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
10562 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
10563 (is_pic): Delete declaration.
10564 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
10565 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
10566 * config/arm/arm.md (builtin_setjmp_receiver): New.
10568 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10570 * arm.c (use_return_insn): Don't try to determine the function type
10571 until after reload has completed.
10572 (arm_output_epilogue): Don't adjust the sp value recovered from the
10574 (emit_multi_reg_push): Don't record dwarf information for the pc.
10575 * arm.md (eh_epilogue): The function type may have changed, so it
10576 needs to be recalculated.
10577 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
10578 unwind tables on arm/netbsd.
10580 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10582 * arm.md (cbranchsi4): Correct calculation of branch ranges.
10583 (negated_cbranchsi4): Likewise.
10585 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
10587 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
10588 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10589 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
10590 pass -mapcs-* options to assembler.
10591 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
10592 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
10593 (ASM_SPEC): Call subtarget_extra_asm_spec.
10595 2001-01-15 Andreas Jaeger <aj@suse.de>
10597 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
10599 (ix86_expand_builtin): Likewise.
10601 * gencodes.c (output_predicate_decls): Make i size_t to avoid
10602 warning about comparison between signed and unsigned.
10604 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10606 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
10608 2001-01-14 Ralf Baechle <ralf@gnu.org>
10610 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
10611 SUBTARGET_CPP_SPEC apropriatly.
10613 2001-01-12 Mark Mitchell <mark@codesourcery.com>
10615 * varasm.c (make_decl_rtl): Fix typo in last change.
10617 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
10619 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
10620 linker supports the init_priority C++ attribute.
10621 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
10622 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
10623 linker does not support init_priority C++ attribute.
10625 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
10627 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
10629 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10631 * c-parse.in (finish_parse): Add comment about cpp_destroy.
10632 * cp/lex.c (finish_parse): Similarly.
10633 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
10634 Return the number of errors encountered.
10635 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
10636 * cppmain.c (main): Don't call cpp_destroy.
10638 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
10640 * configure.in: Require at least perl 5.6.0 to regenerate
10642 * configure: Regenerate.
10644 2001-01-14 Richard Henderson <rth@redhat.com>
10646 * genrecog.c (DT_veclen_ge): New.
10647 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
10648 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
10649 (nodes_identical_1): Handle DT_veclen_ge.
10650 (write_cond, debug_decision_2): Likewise.
10652 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10654 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
10656 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
10658 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
10660 * cppmain.c (do_preprocessing): New function; most of the old
10662 (main): Call it to do most of the work.
10663 (cb): Move from global scope to set_callbacks ().
10664 (setup_callbacks): Get the callback pointer.
10665 (general_init, printer_init): Clean up code and comments.
10667 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
10669 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
10672 2001-01-14 Kazu Hirata <kazu@hxi.com>
10674 * config/h8300/h8300.c (get_shift_alg): Update comments.
10676 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10678 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
10679 (alloc_page, ggc_alloc): Add casts to remove warnings.
10681 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
10683 * combine.c (simplify_comparison): Don't change `code' when
10684 can't reverse comparison.
10686 2001-01-14 Richard Henderson <rth@redhat.com>
10688 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
10689 update all call sites. Return true for all non-label constants.
10691 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
10693 * i386.c (ix86_expand_compare): Add bypass_test and second_test
10695 (ix86_expand_branch): Update.
10696 (ix86_expand_setcc): Update to handle multiple test conditions.
10697 (expand_int_movcc): Likewise.
10698 (expand_fp_movcc): Likewise.
10699 * i386-protos.h (ix86_expand_compare): New.
10700 * i386.md (andqi_?_slp, orqi_?_slp): New.
10701 (conditional trap expander): Update call to ix86_expand_compare.
10703 2001-01-14 Richard Henderson <rth@redhat.com>
10705 * config/vax/vax.md: Use nonimmediate_operand instead of
10706 general_operand in destinations.
10708 * config/vax/vax.md (indirect_jump): Use register_operand.
10710 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
10711 * config/vax/vax.md (call_pop): Turn into an expander.
10712 (call_value_pop): Likewise.
10713 (call, call_value): New.
10715 2001-01-14 Andreas Jaeger <aj@suse.de>
10717 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
10719 (ix86_fp_compare_mode): Add unused attribute.
10720 (ix86_expand_fp_movcc): Remove unused variable.
10721 (ix86_expand_builtin): Make fcode unsigned.
10723 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
10724 (expand_expr): Add cast to avoid signed warning.
10725 (store_field): Likewise.
10726 (store_constructor_field): Likewise.
10727 (store_constructor): Likewise.
10728 (store_expr): Likewise.
10729 (clear_storage): Likewise.
10730 (emit_group_store): Likewise.
10731 (emit_group_load): Likewise.
10733 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10735 * c-common.c: Move format checking code to ...
10736 * c-format.c: ... here. New file. Reorder some functions and
10738 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
10740 * c-common.h (decl_handle_format_attribute,
10741 decl_handle_format_arg_attribute): Declare.
10742 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
10743 (c-common.o): Adjust dependencies.
10744 (c-format.o): New list of dependencies.
10746 2001-01-13 Jakub Jelinek <jakub@redhat.com>
10748 * unroll.c (loop_iterations): If we cannot prove iteration variable
10749 is set once in each iteration, punt.
10751 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
10753 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
10754 (*strlenhi): Remove clobber (which was buggy) of output address.
10756 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10758 * Makefile.in (generated-manpages): Add gcc.1
10759 ($(srcdir)/gcc.1): New target.
10760 (maintainer-clean): Delete $(srcdir)/gcc.1.
10761 * gcc.texi: Add macros @gccoptlist and @gol.
10762 * invoke.texi: Include option summary in manpage. Mark up option
10763 summary with @gccoptlist and @gol. Use @r in one place where
10765 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
10766 * gcc.1: Generate from invoke.texi.
10768 2001-01-13 Richard Henderson <rth@redhat.com>
10770 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
10771 (struct page_entry): Add group member.
10772 (struct page_group): New.
10773 (struct globals): Add page_groups member.
10774 (alloc_anon): Only define for using mmap; remove valloc call.
10775 (page_group_index): New.
10776 (set_page_group_in_use): New.
10777 (clear_page_group_in_use): New.
10778 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
10779 (free_page, release_pages): Likewise.
10780 * configure.in (with-gc): Default to ggc-page always.
10782 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10784 * reload1.c (replace_pseudos_in_call_usage): Use
10785 reg_equiv_constant and reg_equiv_address, and don't try
10786 regno_reg_rtx first.
10788 2001-01-13 Richard Henderson <rth@redhat.com>
10790 * ggc-page.c (alloc_page): Round up allocation size to one page.
10791 Set e->order on extra pages.
10793 2001-01-13 Richard Henderson <rth@redhat.com>
10795 * genrecog.c (nodes_identical): Expand commentary.
10796 (write_switch): Watch out for identical nodes.
10798 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10800 * cppfiles.c (_cpp_fake_include): New function.
10801 * cpphash.h (_cpp_fake_include): New.
10802 * cpplib.c (do_line): Call _cpp_fake_include when entering
10803 header files in preprocessed input.
10804 * cppmain.c (cb_pragma_implementation): Remove handling.
10805 (setup_callbacks): Don't register pragmas.
10807 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10809 * extend.texi: Udate for CPP.
10811 2001-01-13 Andreas Jaeger <aj@suse.de>
10813 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
10815 * regmove.c: Add prototype for replace_in_call_usage.
10817 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10819 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
10820 struct cpp_chunk, struct htab, struct toklist,
10821 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
10822 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
10823 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
10824 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
10825 (struct macro_args): Delete.
10826 * cpphash.h: See above.
10828 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10830 * cppmain.c (struct printer): Remove no_line_dirs.
10831 (options, cb): New.
10832 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
10833 : Use options rather than CPP_OPTION.
10834 (setup_callbacks): Use cb rather than pfile->cb.
10835 (main): No need to check for a buffer. Use cpp_errors.
10836 (printer_init): Don't set no_line_dirs.
10837 (maybe_print_line): Use options not no_line_dirs.
10838 (cb_file_change): Don't call print_line if -P.
10840 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10842 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
10844 * c-parse.in (finish_parse): Use cpp_errors.
10845 (__yylex): Use return value of cpp_pop_buffer.
10846 * cp/lex.c (finish_parse): Use cpp_errors.
10847 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
10849 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
10851 * README.AVR: URLs corrected.
10853 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10855 * c-decl.c (start_function): Don't warn if old prototype is builtin
10856 that's not in C's namespace.
10857 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
10858 (_bb): Add prototype for ctime.
10859 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
10861 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
10863 * i386.c (ix86_fp_comparison_arithmetics_cost,
10864 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
10865 ix86_fp_comparison_cost): New functions.
10866 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
10867 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
10868 two-branch sequences; make static.
10869 (ix86_use_fcomi_compare): Do decision according to the costs.
10870 (split_fp_branch): New.
10871 * i386.md (compare-and-branch patterns): Use split_fp_branch.
10872 * i386-protos.h (ix86_expand_fp_compare): Remove
10873 (ix86_split_fp_branch): Declare.
10875 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
10876 and ix86_comparison_operator.
10878 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
10879 to make it cheaper.
10881 * i386.c (put_condition_code): Output properly the unordered/ordered
10882 compares in fp case.
10883 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
10885 * tm.texi (REVERSE_CONDITION): Document.
10886 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
10887 in -ffast-math mode.
10888 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
10890 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
10892 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
10894 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
10897 * config/sh/sh.c (mova_p): Fix test for mova_const.
10899 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10901 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
10902 cpp_get_options rather than dereferencing pfile and using
10904 * scan-decls.c (scan_decls): Use return value of
10905 cpp_pop_buffer rather than CPP_BUFFER.
10907 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
10909 * cppinit.c (cpp_handle_option): help_only is now part of the
10910 cpp_options structure.
10911 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
10912 cpp_set_callbacks): New functions.
10913 * cpplib.h (cpp_callbacks): Break out as a named structure.
10914 (cpp_options): Move help_only here from cpp_reader.
10915 (CPP_FATAL_ERRORS): Update to use cpp_errors.
10916 (cpp_errors, cpp_get_options, cpp_get_callbacks,
10917 cpp_set_callbacks): New prototypes.
10918 * cppmain.c (main): Update for help_only.
10920 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
10922 * Makefile.in (info, maintainer-clean, install-info, uninstall):
10923 Also build and remove and install and uninstall c-tree.info and
10925 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
10926 ($(srcdir)/cppinternals.info): New target.
10927 * c-tree.texi: Change file name used when makeinfo used without -o
10928 from ir.info to c-tree.info. Add info directory entry.
10929 * cppinternals.texi: Add info directory entry.
10930 * .cvsignore: Update.
10932 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10934 * c-typeck.c (store_init_value): Don't require constant initializer
10935 elements with -pedantic -std=c99.
10936 (digest_init): Change error about non-constant initializer elements
10938 (constructor_range_end): Remove.
10939 (constructor_incremental, designator_depth,
10940 designator_errorneous): New variables.
10941 (struct constructor_stack): Remove range_end, add incremental.
10942 (struct constructor_range_stack, constructor_range_stack): New.
10943 (struct initializer_stack): Add constructor_range_stack.
10944 (finish_init): Set it.
10945 (start_init): Likewise. require_constant_elements for non-static
10946 trees only if not flag_isoc99.
10947 (really_start_incremental_init): Remove constructor_range_end, add
10948 constructor_incremental.
10949 (pop_init_level): Likewise.
10950 (push_init_level): Likewise. If implicit and the subobject had some
10951 value set already, preinitialize the level with it.
10952 Warn about missing braces only if not pushing due to designators.
10953 (set_designator, push_range_stack): New functions.
10954 (set_init_label): Use them.
10955 (set_init_index): Likewise. Remove constructor_range_end.
10956 Error if designator index is outside of array bounds.
10957 (add_pending_init): Compare values of purpose index trees, not the
10958 trees themselves. Allow overwriting of already initialized element.
10959 Issue a warning if it had side-effects.
10960 (set_nonincremental_init, set_nonincremental_init_from_string): New
10962 (pending_init_member): Rename to...
10963 (find_init_member): ...this function. Call set_nonincremental_init
10964 if necessary. Compare values of purpose index trees, not the trees
10965 themselves. Return the actual value, not just non-zero if something
10967 (output_init_element): Remove checks for duplicates.
10968 If field has zero size, only check the initializer for correctness.
10969 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
10970 if constructor_incremental is zero. Change error about initializers
10971 not computable at load time into pedwarn.
10972 (output_pending_init_elements): Compare bit positions, not
10973 FIELD_DECLs to take into account zero-sized fields.
10974 (process_init_element): Use constructor_range_stack to fill all
10975 ranges in the designator lists from current level up.
10976 * extend.texi: Update documentation for labeled elements.
10978 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
10980 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
10981 to function usage for arguments passed by reference. Optimize
10982 callee-copied arguments.
10983 * regmove.c (replace_in_call_usage): New function.
10984 (fixup_match_1): Call it.
10985 * cse.c (cse_insn): Canonicalize registers in function usage.
10986 * reload1.c (replace_pseudos_in_call_usage): New function.
10989 * Makefile.in: Reverted yesterday's wrong patch. Installed the
10992 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10994 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
10997 2001-01-12 DJ Delorie <dj@redhat.com>
10999 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
11000 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
11003 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11005 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
11006 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
11007 -std options alongside references to -ansi. Update some
11008 documentation for C99.
11009 * cpp.1: Regenerate.
11011 2001-01-12 Andreas Jaeger <aj@suse.de>
11013 * haifa-sched.c (restore_line_notes): Remove argument block B
11015 * sched-ebb.c (schedule_ebb): Change caller.
11016 * sched-rgn.c (schedule_region): Likewise.
11017 * sched-int.h (restore_line_notes): Adjust prototype.
11019 * loop.h: Remove wrong declaration of doloop_condition_get.
11021 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11023 * extend.texi: Move C++-extension-related node from the C section
11024 into the C++ section.
11026 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11028 * extend.texi: Refer to an array of pointers to functions instead
11029 of one of functions.
11031 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
11032 Jan Hubicka <jh@suse.cz>
11034 * combine.c (reversed_comparison): Fix typo in last patch.
11036 (combine_reversed_comparison_code): Make static to follow
11037 prototype declaration.
11039 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11041 * install.texi: Remove misplaced duplicate entry.
11043 2001-01-11 Ulrich Drepper <drepper@redhat.com>
11045 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
11047 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
11049 * final.c: (leaf_function_p): Fix typo.
11051 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
11053 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
11054 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
11056 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
11057 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
11058 mmap_anon, and valloc is available.
11059 * ggc-page.c: Restructure ifdef logic to match new autoconf
11060 spec. Don't throw away the test page in init_ggc.
11062 * configure, config.in: Regenerate.
11064 2001-01-12 Michael Hayes <mhayes@redhat.com>
11066 * loop.h (total_biv_increment): Constify iv_class pointer.
11067 (struct induction): Replace `mem_mode' with `mem' rtx.
11068 * unroll.c (total_biv_increment): Constify iv_class pointer.
11069 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
11070 (find_mem_givs, combine_givs_p): Likewise.
11071 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
11073 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
11075 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
11077 (__gthread_getspecific): Ditto.
11079 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
11081 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
11082 put_condition_code): Convert fp comparison codes to integer
11084 (ix86_expand_fp_compare): Postnote the fp comparison code converison
11087 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
11088 * i386-protos.h (no_comparison_operator): Kill.
11090 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
11092 * combine.c (REVERSIBLE_CC_MODE): Remove.
11093 (reversible_comparison_p): Remove.
11094 (combine_reversed_comparison_code): New.
11095 (reversed_comparison): New.
11096 (combine_simplify_rtx): Use
11097 combine_reversed_comparison_code/reversed_comparison instead
11098 of reversible_comparison_p.
11099 (simplify_if_then_else): Likewise.
11100 (simplify_set): Likewise.
11101 (simplify_logical): Likewise.
11102 (if_then_else_cond): Likewise.
11103 (known_cond): Likewise.
11104 (simplify_comparison): Likewise.
11106 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
11108 * builtins.c (std_expand_builtin_va_start): Handle varargs when
11109 sizeof (int) is larger than sizeof(__word__).
11111 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11113 * cppinit.c (do_includes): Fix typo.
11115 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11117 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
11118 in S_REGS does not occur because not all sources are possible
11119 when a S_REGS is a destination (sometimes needs a clobber).
11120 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
11121 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
11122 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
11123 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
11124 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
11125 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
11126 (lshrdi_const1, lshrsi3_const16): Likewise.
11127 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
11128 (*movhi_68hc12, *movqi_68hc12): Likewise.
11129 (movstrictqi): Make sure reloading in D_REGS as a destination
11132 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11134 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11136 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11138 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
11139 -D, -U and -A, and don't initialize the builtins.
11140 (do_includes): Error if -include or -imacros with -fpreprocessed.
11141 * cppmain.c (cb_define, cb_undef): Unconditionally process
11143 * tradcpp.c (main): Fix typo.
11145 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
11147 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
11148 (read_name_map): Use IS_ABSOLUTE_PATH.
11149 * tradcpp.c (get_filename): Likewise.
11151 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11153 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
11154 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
11155 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
11156 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
11157 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
11158 (cmphi_z_used): Don't use '@' for the output.
11159 (tstqi_z_used): Likewise.
11160 (cmpqi_z_used): Likewise.
11161 (one_cmplsi2): Likewise.
11163 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11165 * config/sh/sh.c (barrier_align): Recognize branch around far
11166 branch and redundant insn.
11168 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
11170 * invoke.texi: Restore documentation of the drivers' switches -MD
11173 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
11175 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
11177 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
11178 check-objc//%): Support parallel testing of multilibs.
11179 (TESTSUITEDIR): Set to testsuite by default, but override for
11181 (check-gcc, check-g++, check-g77, check-objc): Enter
11184 2001-01-11 Bernd Schmidt <bernds@redhat.com>
11186 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
11187 * sched-deps.c (deps_may_trap_p): Likewise.
11188 * basic-block.h: Remove a comment.
11189 * flow.c (PROP_POSTRELOAD): Remove.
11190 (update_life_info): Don't add it to prop_flags.
11191 (mark_set_1): Lose the code that was enabled by it.
11193 2001-01-11 Michael Hayes <mhayes@redhat.com>
11195 * flow.c (flow_call_edges_add): New.
11196 * basic_block.h (flow_call_edges_add): New.
11198 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
11200 * reload1.c (move2add_note_store): Update reg_set_luid even if
11201 base reg remains the same.
11203 2001-01-10 Nick Clifton <nickc@redhat.com>
11205 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
11206 machine_function structure to zero.
11207 Add prototypes for machine_status functions.
11209 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11211 * c-common.h (CTI_VOID_LIST): Remove.
11212 (void_list_node): Likewise.
11213 * tree.h (TI_VOID_LIST_NODE): New enumeral.
11214 (void_list_node): New macro.
11215 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
11216 * config/i386/i386.c (ix86_init_builtins): Likewise.
11217 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
11219 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11221 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
11222 * cppinit.c (cpp_start_read): Update comment, remove unneeded
11224 * tradcpp.c: Include mkdeps.h.
11225 (deps, print_deps_phony_targets, deps_append, output_deps,
11226 init_dependency_output, output_deps): New.
11227 (deps_buffer, deps_allocated_size, deps_size, deps_column,
11228 deps_output): Delete.
11229 (print_deps_missing_files): Rename deps_missing_files.
11230 (inhibit_output): Make global.
11231 (main): Delete inhibit_output, deps_stream, deps_target.
11232 Use mkdeps functionality in the same way as cpplib. Remove
11233 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
11234 -M and -MM. Remove old handling of deps via deps_out, and
11235 old reading of environment variables.
11236 (get_filename): Update to use deps_add_dep.
11238 2001-01-10 Mark Mitchell <mark@codesourcery.com>
11240 * output.h (make_function_rtl): Remove prototype.
11241 (make_decl_rtl): Likewise.
11242 * varasm.c (make_function_rtl): Remove.
11243 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
11244 than from a third parameter.
11245 * tree.h (make_decl_rtl): Remove last parameter.
11246 * c-decl.c (builtin_function): Remove last argument in call to
11247 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
11248 (start_function): Likewise.
11249 * except.c (call_get_eh_context): Likewise.
11250 * expr.c (emit_block_move): Likewise.
11251 (clear_storage): Likewise.
11252 * profile.c (output_func_start_profiler): Likewise.
11253 * toplev.c (rest_of_decl_compilation): Likewise.
11254 * objc/objc-act.c (create_builtin_decl): Likewise.
11255 (synth_module_prologue): Likewise.
11256 (generate_static_reference): Likewise.
11257 (build_selector_reference_decl): Likewise.
11258 (build_class_reference_decl): Likewise.
11259 (build_objc_string_decl): Likewise.
11260 (build_protocol_reference): Likewise.
11262 2001-01-10 Richard Henderson <rth@redhat.com>
11264 * hwint.h: Revert yesterday's change.
11266 2001-01-10 Nick Clifton <nickc@redhat.com>
11268 * function.h (save_machine_status): Delete.
11269 (restore_machine_status): Delete.
11270 Amend comment describing {init|mark|free}_machine_status.
11272 * function.c (save_machine_status): Delete.
11273 (restore_machine_status): Delete.
11274 Amend comment describing {init|mark|free}_machine_status.
11275 (push_function_context_to): Remove invocation of
11276 save_machine_status.
11277 (pop_function_context_from): Remove invocation of
11278 restore_machine_status.
11280 * emit-rtl.c (init_emit_once): Amend comment describing
11281 {init|mark|free}_machine_status.
11283 * tm.texi (Per-Function Data): New node. Describe the
11284 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
11287 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11289 * cppinit.c (OPT_g): Remove.
11290 (cpp_handle_option): Update for removed -g3.
11291 (print_help): Update.
11292 * cpplib.h (struct cpp_options): Remove debug_output.
11293 * cppmain.c (setup_callbacks, cb_define): Update.
11294 * gcc.c (cpp_options): Translate -g3 to -dD.
11296 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
11298 * config/i960/i960.md: Change modifier to + on the zero_extract
11299 pattern after the (rotate -2 reg) canonicalization pattern.
11301 2001-01-10 Richard Henderson <rth@redhat.com>
11303 * config/alpha/alpha.c (alpha_free_machine_status): New.
11304 (override_options): Install it.
11305 (alpha_mark_machine_status): Verify machine non-null.
11306 * config/i386/i386.c (ix86_free_machine_status): New.
11307 (override_options): Install it.
11308 (ix86_init_machine_status): Use xcalloc.
11309 (ix86_mark_machine_status): Verify machine non-null.
11310 * config/ia64/ia64.c (ia64_free_machine_status): New.
11311 (ia64_override_options): Install it.
11312 (ia64_mark_machine_status): Verify machine non-null.
11314 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
11316 * function.c (instantiate_virtual_regs): Instantiate virtual
11317 registers found in CALL_INSN_FUNCTION_USAGE.
11319 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11321 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
11322 equivalent to -ansi in disabling -Di386.
11324 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
11326 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
11328 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
11330 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
11332 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
11334 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11336 * invoke.texi: Document that -fcond-mismatch isn't supported for
11339 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
11341 * gcc.texi: Define macro gcctabopt.
11342 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
11343 @command, @env and @option in some places where appropriate. Use
11344 @gcctabopt where appropriate. Put URLs and email addresses inside
11347 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
11349 * gcc.c (cpp_options): Set MD file name from output
11350 filename, if specified.
11351 (suffix_subst): New static variable.
11352 (do_spec): Clear it.
11353 (do_spec_1, case '.'): Handle new `%.suffix' spec.
11355 (give_switch): Handle suffix_subst.
11357 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11359 * invoke.texi: Fix another typo.
11361 2001-01-10 Phil Edwards <pme@sources.redhat.com>
11363 * invoke.texi: Fix typo.
11365 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
11367 * c-lang.c (lang_hooks): Update.
11368 (lang_decode_option): Remove.
11369 (lang_init_options): Rename c_init_options.
11370 * toplev.c (main): Use lang_hooks for lang_init_options
11371 and lang_decode_option.
11372 * toplev.h (lang_hooks): Add 2 new hooks.
11373 * tree.h: Remove lang_init_options and lang_decode_option.
11374 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
11375 * cp/decl2.c: Similarly.
11376 * cp/lex.c (lang_init_options): Rename cxx_init_options.
11377 (lang_hooks): Update.
11378 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
11380 (lang_init_options): Rename ffe_init_options.
11381 (lang_hooks): Update.
11382 (lang_decode_option): Remove.
11383 * java/lang.c (lang_init_options): Rename java_init_options.
11384 (lang_decode_option): Rename java_decode_option.
11385 (lang_hooks): Update.
11386 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
11387 (lang_decode_option): Rename objc_decode_option.
11388 (lang_hooks): Update.
11390 2001-01-09 Nick Clifton <nickc@redhat.com>
11392 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
11393 (d30v_return_addr_rtx): Delete.
11394 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
11395 cfun->machine structure.
11396 (struct machine_function): Move to d30v.h
11397 (d30v_save_machine_status): Delete.
11398 (d30v_restore_machine_status): Delete.
11399 (d30v_init_machine_status): New Function.
11400 (d30v_mark_machine_status): New Function.
11401 (d30v_free_machine_status): New Function.
11402 (d30v_init_expanders): Use new functions.
11403 (d30v_return_addr): Use ra_rtx field in cfun->machine.
11404 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
11405 d30v_return_addr_rtx.
11407 * config/d30v/d30v.h (struct_machine): Move here.
11408 Add eh_epilogue_sp_ofs field.
11410 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
11411 field in cfun->machine structure.
11413 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
11415 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
11416 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
11417 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11419 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
11421 * objc/lang-options.h: Remove bogus reference to
11424 2001-01-09 Kazu Hirata <kazu@hxi.com>
11426 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
11429 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
11431 * reload.c (find_reloads_address): Check for eliminable registers
11432 when substituting a constant expression for a pseudo.
11434 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
11436 * c-common.c (enum format_type): Add format_type_error.
11437 (decode_format_type): New function.
11438 (decl_attributes): Use it.
11439 (format_kind_info): Adjust comment.
11441 2001-01-09 David O'Brien <obrien@BSDi.com>
11443 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
11444 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
11446 * config/i386/gnu.h: Don't include required platform specific .h files,
11447 tm.h will do it instead.
11448 * config/i386/i386elf.h: Likewise.
11449 * config/i386/linux.h: Likewise.
11450 * config/i386/moss.h: Likewise.
11451 * config/mips/gnu.h: Likewise.
11453 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11455 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
11456 (rs6000-ibm-aix3.[01]*): Likewise.
11457 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
11458 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
11459 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
11460 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
11461 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
11462 (powerpc-*-eabiaix*): Likewise.
11463 (powerpc-*-eabisim*): Likewise.
11464 (powerpc-*-elf*): Likewise.
11465 (powerpc-*-eabi*): Likewise.
11466 (powerpc-*-rtems*): Likewise.
11467 (powerpc-*-linux*libc1): Likewise.
11468 (powerpc-*-linux*): Likewise.
11469 (powerpc-wrs-vxworks*): Likewise.
11470 (powerpcle-wrs-vxworks*): Likewise.
11471 (powerpcle-*-sysv*): Likewise.
11472 (powerpcle-*-elf*): Likewise.
11473 (powerpcle-*-eabisim*): Likewise.
11474 (powerpcle-*-eabi*): Likewise.
11475 (powerpcle-*-solaris2*): Likewise.
11476 * config/rs6000/aix31.h: Delete includes.
11477 * config/rs6000/aix3newas.h: Likewise.
11478 * config/rs6000/aix41.h: Likewise.
11479 * config/rs6000/aix43.h: Likewise.
11480 * config/rs6000/beos.h: Likewise.
11481 * config/rs6000/rtems.h: Likewise.
11482 * config/rs6000/sysv4.h: Likewise.
11484 2001-01-09 Kazu Hirata <kazu@hxi.com>
11486 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
11487 Change an argument mode of machine_mode to shift_mode of
11488 shift_mode. Remove an extra error check.
11489 (emit_a_shift): Adopt to the new calling prototype of
11491 (function_prologue): Fix code for a monitor
11492 function. Support H8/S.
11493 (function_epilogue): Do not output pop for a monitor function.
11495 2001-01-09 Nick Clifton <nickc@redhat.com>
11497 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
11498 (setup_incoming_varargs): Use sysv_varargs_p field of the
11499 cfun->machine structure.
11500 (struct machine_function): Move to rs6000.h
11501 (rs6000_save_machine_status): Delete.
11502 (rs6000_restore_machine_status): Delete.
11503 (rs6000_init_machine_status): New Function.
11504 (rs6000_free_machine_status): New Function.
11505 (rs6000_init_expanders): Use new functions.
11507 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
11509 (struct machine_function): Move here.
11511 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
11512 sysv_varargs_p field of the cfun->machine structure.
11514 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
11516 (rs6000_restore_machine_status): Remove prototype.
11518 2001-01-09 Richard Henderson <rth@redhat.com>
11520 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
11521 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
11522 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
11523 (sched_analyze_2, sched_analyze_insn): Likewise.
11524 (sched_analyze, init_deps): Likewise.
11525 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
11526 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
11527 (compute_block_backward_dependences): Update propagate_deps call.
11529 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
11531 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
11533 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11535 * cppinit.c (OPT_MD, OPT_MMD): Restore.
11536 (cpp_handle_option): Handle them.
11537 (cpp_post_options): Ensure one of -M or -MM is specified with
11538 any other -M? option.
11539 (init_dependency_output): Suppress output with -MG.
11541 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11543 * cpp.texi: Update.
11544 * invoke.texi: Update.
11546 2001-01-09 Bernd Schmidt <bernds@redhat.com>
11548 * sh.md (reload_outsf): Generate recognizable patterns for
11551 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
11553 * c-lang.c (lang_hooks): Update.
11554 (lang_init): Rename c_init.
11555 (lang_finish): Remove.
11556 * toplev.c (compile_file): Use lang_hooks for lang_init ()
11557 and lang_finish ().
11558 * toplev.h (lang_hooks): Add init () and finish ().
11559 * tree.h (lang_init, lang_finish): Remove.
11560 * cp/tree.h (lang_init, lang_finish): Remove.
11561 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
11562 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
11564 (lang_init, lang_finish): Remove.
11565 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
11566 (lang_hooks): Update.
11567 * java/lang.c (lang_init): Rename java_init.
11568 (lang_finish): Remove.
11569 (lang_hooks): Update.
11570 * objc/objc-act.c (lang_init): Rename objc_init.
11571 (lang_finish): Remove.
11572 (lang_hoooks): Update.
11574 20001-01-09 Graham Stott <grahams@redhat.com>
11576 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
11577 after `ptr` is initialised.
11579 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11581 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
11582 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
11583 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
11584 stack adjusts, instead of r3.
11586 2001-01-09 Michael Hayes <mhayes@redhat.com>
11588 * flow.c (flow_loop_scan): Break out of ...
11589 (flow_loops_find) ... here.
11590 * basic-block.h (flow_loop_scan): New.
11591 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
11592 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
11594 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
11596 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
11598 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
11599 realloc()ing macro_buffer.
11601 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
11602 if it's wider than long and the target's long is wider than the
11605 2001-01-09 Mark Mitchell <mark@codesourcery.com>
11607 Remove support for using UWIN as a host machine.
11608 * configure.in: Issue an error message.
11609 * configure: Regenerated.
11610 * config.gcc: Remove xm_* UWIN configury.
11611 * config/i386/xm-uwin.h: Remove.
11613 2001-01-08 Nick Clifton <nickc@redhat.com>
11615 * config/v850/v850.c (ra_rtx): Delete.
11616 (v850_save_machine_status): Delete.
11617 (v850_restore_machine_status): Delete.
11618 (v850_init_machine_status): New function.
11619 (v850_mark_machine_status): New function.
11620 (v850_free_machine_status): New function.
11621 (v850_return_addr): Use ra_rtx field in machine structure.
11622 (v850_init_expanders): Use new functions.
11624 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
11625 * config/v850/v850.c: Change arguments to v850_output+* functions
11626 to take a const char *, to avoid compile time warning.
11627 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
11628 (USER_LABEL_PREFIX): Redefine.
11630 2000-01-08 Jim Wilson <wilson@redhat.com>
11632 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
11633 1 to unsigned HOST_WIDE_INT before left shift.
11635 2001-01-08 Nick Clifton <nickc@redhat.com>
11637 * config/arm/arm.c (arm_mark_machine_status): Check to see if
11638 the machine structure has been allocated.
11639 (arm_free_machine_status): New function: Free the machine
11640 specific function structure.
11642 2001-01-08 Richard Henderson <rth@redhat.com>
11644 * jump.c (simplejump_p): Revert last change.
11646 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
11648 * cppinit.c (init): Rename init_library.
11649 (cpp_create_reader): Update.
11650 * gcc.c (cpp_options): If -o given, use it as the target of
11653 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11655 * arm.c (arm_arch5e): New variable.
11656 (all_cores): XScale is a 5TE device.
11657 (arm_override_options): Set arm_arch5e.
11658 (arm_init_builtins): __builtin_prefetch is in arch5e.
11659 * arm.h (arm_arch5e): Declare it.
11661 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
11663 * arm.md (define_constants): Add defines for UNSPEC and
11664 UNSPEC_VOLATILE insns. Update all users.
11665 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
11666 * arm.c (multi_register_push, note_invalid_constants)
11667 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
11668 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
11669 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
11671 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
11673 * jump.c (jump_optimize_1): Use reversed_comparison_code
11674 instead of can_reverse_comparison_p.
11675 (jump_back_p): Likewise.
11676 (invert_exp_1): Likewise.
11677 (thread_jumps): Likewise.
11678 * simplify-rtx.c (simplify_unary_operation): Likewise.
11679 (simplify_ternary_operation): Likewise.
11680 * cse.c (find_comparison_args): Convert to use
11681 can_reverse_comparison_p.
11682 (record_jump_equiv): Likewise.
11684 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
11686 * arm.h (HARD_REGNO_RENAME_OK): Delete.
11687 (EPILOGUE_USES): Define.
11688 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
11689 automatically stack the LR if it isn't live.
11691 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
11693 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
11696 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
11698 * ggc-page.c (max_alignment): New structure.
11699 (MAX_ALIGNMENT): New macro.
11700 (init_ggc): Use it to round up the sizes in the
11701 extra_order_size_table.
11703 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11705 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
11708 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11710 * builtins.def (BUILT_IN_FPRINTF): New entry.
11712 * c-common.c (c_expand_builtin_fprintf): New function.
11713 (init_function_format_info): Handle __builtin_fprintf.
11714 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
11715 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
11717 * c-decl.c (duplicate_decls): Adjust comment.
11719 * extend.texi (fprintf): Document new builtin.
11721 2001-01-07 Richard Henderson <rth@redhat.com>
11723 * jump.c (simplejump_p): Recognize any single_set jump
11724 of the proper form.
11726 2001-01-07 Richard Henderson <rth@redhat.com>
11728 * configure.in (slibdir): Accept an --with-slibdir option.
11729 Use "test" not "[" in configure. Default to $(libdir).
11731 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
11733 * config/t-aix43 (SHLIB_INSTALL): Likewise.
11734 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
11735 (SHLIB_LINK): Create links for the soname.
11736 * config/mips/t-iris6: Likewise.
11737 * config/sparc/t-slibgcc: Likewise.
11738 * config/sparc/t-slibgcc-sld: Likewise.
11740 2001-01-07 Jakub Jelinek <jakub@redhat.com>
11742 * config/i386/i386.c (constant_call_address_operand): Accept
11743 (const (plus (symbol_ref) (const_int))).
11744 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
11745 constant_call_address_operand.
11747 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11749 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
11750 and LONG_LONG_TYPE_SIZE > 32.
11752 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11754 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
11755 the previous change.
11757 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
11759 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
11761 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
11762 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
11763 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
11766 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11768 * fix-header.c (read_scan_file): s/pfile/scan_in/.
11770 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11772 * c-lang.c (c_post_options): Call cpp_post_options.
11773 * objc/objc-act.c (objc_post_options): Similarly.
11774 * cppmain.c (main): Similarly.
11775 * fix-header.c (read_scan_file): Similarly.
11776 * cppinit.c (cpp_start_read): Move option consistency checks
11777 to cpp_post_options. Don't call init_dependency_output.
11778 If needed, add default target and main file dependency.
11779 (OPT_MD, OPT_MMD): Remove.
11781 (cpp_handle_option): Update for OPT_* changes.
11782 (cpp_post_options): New.
11783 (init_dependency_output): Command line -MF overrides environment
11784 variables. Don't set default target etc. Suppress output
11785 if dependencies are going to stdout.
11786 (print_help): Update.
11787 * cpplib.h (cpp_post_options): New.
11788 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
11790 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
11792 * jump.c (comparison_dominates_p): Support unordered compares.
11794 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
11796 * simplify-rtx.c (simplify_relational_operation): Always simplify
11797 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
11800 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
11802 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
11803 (nonzero_bits): Likewise.
11804 (simplify_comparison): Likewise.
11805 (num_sign_bit_copies): Likewise; return more sane value depending
11806 on STORE_FLAG_VALUE.
11807 (known_cond): Do not assume EQ to be always true for equivalent
11810 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
11812 * cse.c (fold_rtx): Handle unordered comparisons.
11814 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
11816 * rtlanal.c (set_of_1): New static function.
11817 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
11818 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
11819 reg_set_last_last_regno): Remove.
11820 (set_of): New global function.
11821 (set_of_data): New structure.
11822 (reg_set_p, reg_set_last): Revamp for set_of.
11823 * rtl.h (set_of): New.
11825 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
11827 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
11828 * extend.texi: Document _Exit builtin.
11830 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11832 * (initialize, initialize_builtins,
11833 initialize_dependency_output, initialize_standard_includes):
11834 Rename s/initialize/init. Update.
11835 (init_dependency_output): Move to after
11836 cpp_handle_options, the correct location temporally at least.
11837 (opt_comp): Move next to init (), its caller. Fix prototype.
11838 (init): Make "initialized" local scope.
11839 (cpp_create_reader): Always call init ().
11840 (cpp_start_read): Update.
11841 (output_deps): New function, broken out of cpp_finish.
11842 (cpp_finish): Break out output_deps.
11844 2001-01-07 Richard Henderson <rth@redhat.com>
11846 * collect2.c (COFF specific stuff): Revert 12-06 patch
11847 to prototype system functions.
11849 2001-01-07 Michael Hayes <mhayes@redhat.com>
11851 * hard-reg-set.h: Add multiple include guard.
11852 * basic-block.h (struct loop): Add `sink' field.
11853 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
11854 (emit_iv_add_mult): Delete.
11855 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
11856 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
11857 (unroll_loop): Remove end_insert_before argument.
11858 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
11859 (maybe_eliminate_biv_1): Likewise.
11860 (emit_iv_add_mult): Delete.
11861 (gen_add_mult, loop_regs_update): New.
11862 (loop_insn_emit_after, loop_insn_emit_before): New.
11863 (loop_insn_sink, loop_insn_sink_or_swim): New.
11864 (emit_iv_add_mult): Delete.
11865 (scan_loop): Set loop->sink.
11866 (loop_givs_reduce): Use loop_insn_sink and its ilk.
11867 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
11868 (maybe_eliminate_biv_1): Likewise.
11869 (maybe_eliminate_biv_1): Add basic block argument.
11870 * unroll.c (unroll_loop): Remove end_insert_before argument.
11871 (find_splittable_regs): Likewise.
11872 (find_splittable_regs): Use loop_insn_sink and its ilk.
11873 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
11875 2001-01-07 Michael Hayes <mhayes@redhat.com>
11877 * loop.h (loop_insn_hoist): New prototype.
11878 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
11879 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
11880 (check_dbra_loop, load_mems): Likewise.
11881 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
11882 (find_splittable_givs): Likewise.
11884 2001-01-07 Michael Hayes <mhayes@redhat.com>
11886 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
11888 2001-01-07 Richard Henderson <rth@redhat.com>
11890 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
11892 2001-01-07 Richard Henderson <rth@redhat.com>
11894 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
11895 NO_SHARED_LIBGCC_MULTILIB as required for the target.
11896 * gcc.c (init_spec): Massage the existing libgcc_spec into a
11897 variant that handles a shared libgcc.
11898 (process_command): Always validate -{static,shared}-libgcc.
11899 (do_spec_1): New 'M' case.
11900 * invoke.text (Link Options): Document -{static,shared}-libgcc.
11902 2001-01-07 Richard Henderson <rth@redhat.com>
11904 * Makefile.in (slibdir): New variable.
11905 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
11906 (installdirs): Create slibdir.
11907 (install-libgcc, install-multilib): Defer to libgcc.mk.
11908 * configure.in (slibdir): Substitute.
11909 * mklibgcc.in (install): New target.
11911 * config/t-linux (SHLIB_LINK): Create links for the soname.
11912 (SHLIB_INSTALL): New.
11913 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
11914 * config/mips/t-iris6 (SHLIB_INSTALL): New.
11915 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
11916 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
11917 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
11919 2001-01-07 Richard Henderson <rth@redhat.com>
11921 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
11922 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
11923 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
11925 2001-01-07 Michael Hayes <mhayes@redhat.com>
11927 * loop.c (count_loop_regs_set): Delete.
11928 (load_mems_and_recount_loop_regs_set): Delete.
11929 (loop_regs_scan): Merge common code from count_loop_regs_set,
11930 scan_loop, and load_mems_and_recount_loop_regs_set.
11931 (scan_loop): Call load_mems directly and loop_regs_scan
11932 again if new registers created.
11934 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11936 * toplev.c (main): Call the front-end specific post_options
11937 hook if one is given.
11938 * toplev.h (struct_lang_hooks, lang_hooks): New.
11939 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
11940 for the C front end.
11941 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
11942 lang_hooks for the C++ front end.
11943 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
11944 lang_hooks for the ObjC front end.
11945 * f/com.c (lang_hooks): Hooks for the Fortran front end.
11946 * java/lang.c (lang_hooks): Hooks for the Java front end.
11948 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
11950 * c-lex.c (init_c_lex): Request #define / #undef callbacks
11951 for verbose DWARF[2] debugging.
11952 (cb_define, cb_undef): The new callbacks.
11953 * toplev.h (debug_define, debug_undef): Make const correct.
11954 * toplev.c (debug_define, debug_undef): Similarly. Do not
11955 perform the verbosity tests here anymore.
11957 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
11959 * reload.c (subst_reloads): Take INSN argument. When
11960 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
11961 * reload.h (subst_reloads): Adjust prototype.
11962 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
11963 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
11964 present in JUMP_INSNs and copy them to JUMP_LABEL.
11965 * flow.c (find_label_refs, find_basic_blocks_1): Skip
11966 JUMP_INSNs and insns with REG_LABELs that are followed by
11967 JUMP_INSNs with the same REG_LABEL.
11968 * sched-rgn.c (is_cfg_nonregular): Likewise.
11969 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
11971 * unroll.c (unroll_loop): Look for REG_LABEL notes in
11973 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
11975 2001-01-06 Richard Henderson <rth@redhat.com>
11977 * loop.c (scan_loop): Use xcalloc for the regs array.
11978 (load_mems_and_recount_loop_regs_set): Zero the new memory
11979 received from xrealloc.
11981 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
11983 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
11985 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
11987 * integrate.c (copy_rtx_and_substitute): When copying
11988 an ignored return value, strip REG_FUNCTION_VALUE_P.
11990 2001-01-06 Michael Hayes <mhayes@redhat.com>
11992 * loop.c (debug_biv, debug_giv): New.
11993 (loop_biv_dump): Break out from ...
11994 (record_biv): ... here.
11995 (loop_giv_dump): Break out from ...
11996 (record_giv): ... here.
11997 (loop_bivs_check): Use print_simple_rtl.
11998 * unroll.c (loop_iterations): Use print_simple_rtl.
12000 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
12002 * pa.md (return, return_internal): Modify patterns to prevent regrename
12003 mucking with the return pointer.
12005 2001-01-05 Richard Henderson <rth@redhat.com>
12007 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
12009 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
12011 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
12012 version supplied by Matteo Frigo.
12014 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12016 * cpp.texi: Update for -MQ.
12017 * cppinit.c (cpp_create_reader): Always create pfile->deps.
12018 (cpp_cleanup): Always free pfile->deps.
12019 (initialize_dependency_output): Don't create pfile->deps.
12020 (cpp_handle_option): Similarly.
12022 * gcc.c (cpp_options): Handle -MQ.
12023 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12024 * mkdeps.c (base_name): Remove.
12025 (deps_init): Don't allocate vector space until it's needed.
12026 (deps_free): Only free vectors if allocated.
12027 (deps_add_target, deps_add_dep): Update for initial allocation.
12028 (deps_add_default_target): Don't strip to the base_name.
12030 2001-01-05 DJ Delorie <dj@redhat.com>
12032 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
12033 (INIT_EXPANDERS): Define.
12035 * config/v850/v850.c (struct machine_function): Define.
12036 (v850_save_machine_status): New function.
12037 (v850_restore_machine_status): New function.
12038 (v850_return_addr): New function.
12039 (v850_init_expanders): New function.
12041 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
12042 and v850_init_expanders.
12044 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12046 * cpplib.h (struct cpp_reader): Add help_only field.
12047 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
12048 (cpp_handle_option): Set pfile->help_only if we see -h,
12049 --help, -target-help, or --version. Print version string but
12050 do not set help_only if we see -v or -version. Make text
12051 printed by -v match that printed by (-)-version.
12053 * cppmain.c (main): Exit after option parsing if
12054 pfile->help_only is true.
12056 * toplev.c (independent_decode_option): Call print_version,
12057 then exit, if we see --version (but not -version).
12058 (print_version): Split lengthy message into two lines.
12060 2001-01-05 Nick Clifton <nickc@redhat.com>
12062 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
12063 temporary string for initialisation before calling ggc_alloc_string.
12065 2001-01-06 Michael Hayes <mhayes@redhat.com>
12067 * rtl.h (print_simple_rtl): New.
12068 * print-rtl.c (print_simple_rtl): New.
12069 (flag_simple): New.
12070 (print_rtx): Disable printing of flags and modes, etc.,
12071 if `flag_simple` nonzero.
12073 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12075 * function.c (fixup_var_refs): Use push_to_full_sequence where
12078 2001-01-05 Michael Meissner <meissner@redhat.com>
12080 * flags.h (flag_reorder_blocks): Add declaration.
12081 (flag_rename_block): Ditto.
12083 2001-01-05 DJ Delorie <dj@redhat.com>
12085 * function.c (reorder_blocks): Make sure the flags are all reset
12086 before using them to mark blocks, else a second invocation will
12087 corrupt the block chain.
12088 (reorder_blocks_0): New, resets the flags.
12090 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
12092 * cse.c (find_comparison_args): Stop if the argument is known to
12095 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12097 * config/sh/sh.md (movdf): When splitting load into pair of
12098 registers, don't clobber the register used in the address too
12101 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
12103 * varasm.c (mark_constant_pool): Improve initial comments.
12104 (mark_constants): Move marking of constants to mark_constant.
12105 (mark_constant): New function to recursively mark all constants
12106 referred to by a constant.
12108 2001-01-05 Catherine Moore <clm@redhat.com>
12110 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
12112 2001-01-05 Phil Edwards <pme@sources.redhat.com>
12114 * cp/lang-options.h: Bring comment in line with reality.
12115 * f/lang-options.h: Likewise.
12116 * java/lang-options.h: Likewise.
12117 * objc/lang-options.h: Likewise.
12118 * ch/lang-options.h: Likewise.
12119 * f/g77.texi: And update the manual.
12121 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
12122 Denis Chertykov <denisc@overta.ru>
12124 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
12125 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
12126 * config/avr/avr.md (all peepholes that request a scratch register):
12127 Call it, FAIL the peephole if not safe (in interrupt functions).
12129 2001-01-05 Mark Mitchell <mark@codesourcery.com>
12131 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
12133 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
12135 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
12137 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
12138 BUILT_IN_CREAL and BUILT_IN_CIMAG.
12139 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
12140 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
12141 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
12143 * extend.texi: Document these builtins.
12145 2001-01-05 Daniel Berlin <dberlin@redhat.com>
12147 * c-common.c (lang_get_alias_set): Say we know nothing of
12148 VECTOR_TYPE aliasing.
12150 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
12152 2001-01-05 Bruce Korb <bkorb@gnu.org>
12154 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
12155 their x* equivalent versions for atexit-less systems
12156 * fixinc/fixincl.c(main): do not return from main() on atexit-less
12157 systems (or any other system any more).
12159 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
12161 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
12162 output operands. Use arm_hard_register_operand for operand 4.
12163 (stmsi_postinc): Similarly.
12164 (ldmsi): Use arm_hard_register_operand for opernand 2.
12165 (stmsi): Similarly.
12166 * arm.c (arm_hard_register_operand): New function.
12167 * arm-protos.h (arm_hard_register_operand): Prototype it.
12169 * arm.h (HARD_REGNO_RENAME_OK): Define.
12171 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
12173 * simplify-rtx.c (cfc_args): add "unordered" field.
12174 (check_fold_consts): Set unordered field.
12175 (simplify_relational_operation): Simplify the unordered
12178 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
12181 * emit-rtl.c (try_split): Fix code to mark labels.
12182 * jump.c (mark_jump_label): Make global.
12183 * rtl.h (mark_jump_label): Declare.
12185 * predict.c (estimate_probability): Handle unordred comparisons.
12187 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12189 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
12190 * cppinit.c (initialize_dependency_output): Update.
12191 (cpp_finish): Output dummy targets for -MP.
12193 (cpp_handle_option): Handle -MP. Don't quote -MT options.
12194 * cpplib.h (struct cpp_options): Add deps_phony_targets.
12195 * gcc.c (cpp_options): Update to handle -MP.
12196 * mkdeps.c (deps_add_target, deps_add_default_target): Update
12197 to quote only the default target.
12198 (deps_phony_targets): Insert a preceding newline. Rename from
12199 deps_dummy_targets for consistency.
12202 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12204 * calls.c (emit_library_call_value_1): Support
12205 INIT_CUMULATIVE_LIBCALL_ARGS.
12206 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
12208 2001-01-04 Richard Henderson <rth@redhat.com>
12210 * c-decl.c (finish_struct): Detect flexible array members
12211 used in an inappropriate context.
12212 * c-typeck.c (really_start_incremental_init): Special case
12213 constructor_max_index for zero length arrays.
12214 (pop_init_level): Allow initialization of flexible array
12215 members. Deprecate initialization of zero length arrays.
12216 Don't issue missing initializer warning for flexible array
12217 members or zero length arrays.
12218 (process_init_element): Don't dereference null DECL_SIZE.
12219 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
12220 Don't abort for empty constructors. Use size_binop
12221 (output_constructor): Add commentary regarding zero length
12222 array futures. Abort if we try to initialize an array of
12223 unspecified length with a non-empty constructor in the middle
12226 * extend.texi (Zero Length): Update and clarify documentation
12227 on static initialization.
12229 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12231 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
12232 with more than 32767 words of local storage.
12234 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12236 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
12237 for 'abs', 'labs', and 'fabs'.
12238 (c4x_expand_builtin): Likewise.
12239 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
12241 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
12243 * config/sh/sh.md (prget, prset): New insn types.
12244 (return delay slot): Dont' allow prset.
12245 (call, sfunc delay slot): Don't allow prget.
12246 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
12247 for prset and prget.
12249 2001-01-05 Michael Hayes <mhayes@redhat.com>
12251 * loop.h (struct loop_reg): New.
12252 (struct loop_regs): Change to use array of `struct loop_reg'.
12253 * loop.c: Replace assortment of varrays with single regs array.
12254 (count_one_set): Delete may_not_move array argument
12255 and use regs array instead. All caller's changed.
12256 (count_loop_regs_set): Delete may_not_move and single_usage
12257 arguments and use regs array instead. All caller's changed.
12258 (find_single_use_in_loop): Replace usage array argument with pointer
12259 to regs structure. All caller's changed.
12260 (loop_optimize): Delete `moved_once' array.
12262 2001-01-05 Michael Hayes <mhayes@redhat.com>
12264 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
12265 Use it instead of loop_info->has_call for scanning loop mems.
12266 (check_dbra_loop): Replace loop_info->has_call test with
12267 loop_info->has_nonconst_call.
12269 2000-01-04 Matthew Hiller <hiller@redhat.com>
12271 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
12274 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12276 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
12277 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
12279 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
12281 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
12282 (flag_short_double, flag_short_wchar): Define.
12283 (c_common_nodes_and_builtins): Create many tree nodes shared
12284 between C and C++ here instead of in cp/decl.c and ...
12285 * c-decl.c (init_decl_processing): ... here.
12286 (SIZE_TYPE, WCHAR_TYPE): Don't define.
12287 (flag_short_double, flag_short_wchar): Don't define.
12288 (record_builtin_type): New function.
12289 (build_void_list_node): New function.
12290 * c-common.h (flag_short_double, flag_short_wchar,
12291 record_builtin_type, build_void_list_node): Declare.
12293 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
12295 * integrate.c (expand_inline_function): Don't put a virtual
12296 register into the reg map.
12298 * function.c (fixup_var_refs_1): If force_operand didn't put
12299 the address into the target, move it there.
12301 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12303 Special-case tree_decl/tree_list allocations.
12304 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
12305 (OBJECT_SIZE): New macro.
12306 (NUM_EXTRA_ORDER): Likewise.
12307 (extra_order_size_table): New variable.
12308 (NUM_ORDERS): New macro.
12309 (objects_per_page_table): New variable.
12310 (object_size_table): New variable.
12311 (G.pages): Use NUM_ORDERS to bound the array.
12312 (G.page_tails): Likewise.
12313 (DIV_ROUND_UP): Remove.
12314 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
12315 (alloc_page): Use OBJECT_SIZE.
12316 (size_lookup): Don't make it const.
12317 (ggc_alloc): Use OBJECT_SIZE.
12318 (ggc_set_mark): Likewise.
12319 (ggc_get_size): Likewise.
12320 (init_ggc): Set up the object_size_table, objects_per_page_table,
12321 and adjust size_lookup.
12322 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
12323 (ggc_pop_context): Use NUM_ORDERS.
12324 (clear_marks): Likewise.
12325 (sweep_pages): Likewise.
12326 (poison_pages): Likewise.
12327 (ggc_print_statistics): Use OBJECT_SIZE.
12329 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12331 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
12332 Only call array_size_for_constructor if last field and array type
12333 with no upper bound.
12335 2001-01-04 Philip Blundell <philb@gnu.org>
12337 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
12338 from bit 31 downwards, if this requires no more insns.
12339 (count_insns_for_constant): New helper function for above.
12341 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
12343 * gencodes.c (output_predicate_decls): Remove empty initializer.
12345 2001-01-04 Mark Mitchell <mark@codesourcery.com>
12347 * tree.c (copy_node): Remove documentation about obstacks.
12348 (buidl1): Check that nobody tries to build 2-argument nodes this
12351 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12353 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
12356 * gencodes.c (output_predicate_decls): Fill empty initializer
12359 2001-01-04 Jakub Jelinek <jakub@redhat.com>
12361 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
12362 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
12364 (do_include): Handle missing headers like cpp0.
12365 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
12366 paths with first include pathname. Don't strcat to uninitialized
12369 2001-01-04 Bernd Schmidt <bernds@redhat.com>
12371 * regrename.c (regrename_optimize): Don't rename from frame pointer
12372 if frame_pointer_needed.
12373 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
12374 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
12375 (ia64_reorg): Use it instead of scheduling if ! optimize.
12376 (errata_emit_nops): Properly call asm_noperands.
12377 (ia64_sched_reorder): Finish cycle if we see an asm.
12378 (ia64_variable_issue): Clear scheduling state after asms.
12380 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
12382 * cpp.texi: Update for -MT.
12383 * cppinit.c (initialize_dependency_output): Add a default
12384 target if none has been given already.
12385 (no_tgt, OPT_MT): New.
12386 (cpp_handle_option): Handle -MT. Update -M etc.
12387 * cpplib.h (struct cpp_options): Remove deps_target.
12388 * gcc.c (cpp_options): Handle -MT.
12389 * mkdeps.c (struct deps): Move from mkdeps.h.
12390 (deps_calc_target): Rename deps_add_default_target. Add a
12391 default target if none has been specified already.
12392 * mkdeps.h (struct deps): Move to mkdeps.c.
12393 (deps_calc_target): Rename deps_add_default_target.
12395 2000-01-03 Richard Henderson <rth@redhat.com>
12397 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
12399 * c-typeck.c (push_init_level): Move checks for flexible array
12400 members and zero length arrays ...
12401 (pop_init_level): ... here. Silently discard empty initializations.
12403 * varasm.c (output_constructor): Update for sizeof change to
12404 zero-length arrays.
12406 * extend.texi (Zero Length): Clarify semantics.
12408 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12410 * configure.in (tm.h): Include isns-codes.h last.
12411 * configure: Rebuilt.
12413 2001-01-03 Richard Henderson <rth@redhat.com>
12415 * config/alpha/alpha.md (addvsi3, addvdi3): New.
12416 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
12418 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12420 * tradcpp.c (main): Make sure finclude() is called with a valid
12421 indepth value while handling -include.
12423 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12425 * gencodes.c (output_predicate_decls): New function.
12427 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
12428 even if it is not the first time machmode.h is #included.
12429 * config/sh/sh.c (fpul_operand): Declare MODE argument.
12430 * tm.texi (PREDICATE_CODES): Document predicate declarations.
12431 * gcc.texi (Copyright): Added 2001.
12433 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12435 * c-common.c (c_common_lang_init): New function. Warn if format
12436 warning options which only have effects when used with -Wformat
12437 are used without -Wformat.
12438 * c-common.h (c_common_lang_init): Declare.
12439 * c-lang.c (lang_init): Call c_common_lang_init.
12440 * objc/objc-act.c (lang_init): Call c_common_lang_init.
12442 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12444 * configure.in: Check for the mktemp command.
12445 * configure: Regenerate.
12446 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
12447 $TEMP. Create temporary files with mktemp, if available at
12448 configure time; otherwise use set -C. Remove temporary files
12451 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
12453 * configure.in: Require at least texinfo 4.0. Check for whether
12454 Pod::Man is sufficiently recent to regenerate GCC manpages.
12455 * configure: Regenerate.
12456 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
12458 (GENERATED_MANPAGES): Define.
12459 (generated-manpages): New target. Depend on cpp.1 as well as
12461 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
12462 configure to generated-manpages or empty) rather than on the
12463 manpages directly. Remove execute permission from installed
12464 gcov.1 as well as cpp.1.
12465 * cpp.1, gcov.1: Regenerate.
12467 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12469 * builtins.c (expand_builtin_strncmp): Use host_integerp and
12470 tree_low_cst. Allow using cmpstrsi in more cases.
12472 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12474 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
12477 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
12479 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
12480 * Makefile.in (HOST_CFLAGS): Mention build-make.
12482 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12484 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
12487 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12489 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
12492 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
12495 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
12496 reg_base_value and reg_known_value arrays.
12497 (init_alias_analysis): Add more cases to detect known values.
12498 * sched-deps.c (deps_may_trap_p): New function.
12499 (sched_analyze_2): Use it.
12501 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
12503 * combine.c (simplify_shift_const): Even if we're sign-extracting,
12504 don't discard an ASHIFTRT if we're shifting in a wider mode.
12506 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
12508 * toplev.c (rest_of_compilation): Don't print basic block information
12509 when CFG isn't up to date.
12511 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
12513 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
12514 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
12515 (UNALIGNED_SHORT_ASM_OP): Define.
12516 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
12518 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12520 * fold-const.c (fold_convert): Fix typo.
12522 2001-01-02 Richard Henderson <rth@redhat.com>
12524 * c-common.h (ASM_INPUT_P): New.
12525 * c-parse.in (asm): Set it when needed.
12526 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
12527 existance of an operand.
12529 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
12531 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
12532 (dwarf2out_frame_debug_expr): Likewise.
12533 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
12535 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
12537 * i386.c (ix86_split_to_parts): Return number of part required;
12539 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
12541 (ix86_split_long_move): Use number of part returned
12542 by ix86_split_to_parts
12543 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
12545 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
12546 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
12547 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
12548 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
12549 (ALIGN_MODE_128): Add TFmode.
12550 (IS_STACK_MODE): Likewise.
12551 (HARD_REGNO_NREGS): TFmode needs 3 registers.
12552 (HARD_REGNO_OK): Support TFmodes.
12553 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
12554 * i386.md (scheduler definitions): Use memory operand to determine
12555 fst/fld instructions; use mode attribute to determine real mode of
12557 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
12558 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
12560 2001-01-02 Mark Mitchell <mark@codesourcery.com>
12562 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
12564 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12566 * expr.c (store_constructor_field): Update ALIGN before calling
12569 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12571 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
12574 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
12576 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
12579 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
12581 * c-decl.c (start_function): Don't warn on third parameter to main.
12583 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12585 * tsystem.h: Define HAVE_DECL_GETOPT.
12587 2001-01-02 Philip Blundell <pb@futuretv.com>
12589 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
12592 2001-01-02 Richard Henderson <rth@redhat.com>
12594 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
12596 2001-01-02 Andreas Jaeger <aj@suse.de>
12598 * c-decl.c (c_decode_option): Remove support of
12599 -Wmissing-noreturn.
12601 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
12602 (W_options): Add -Wmissing-noreturn here.
12604 * flow.c: Define lang_missing_noreturn_ok_p.
12605 (check_function_return_warnings): Use it.
12607 * c-common.h: Declare lang_missing_noreturn_ok_p.
12609 * c-lang.c (c_missing_noreturn_ok_p): New function.
12610 (lang_init): Set lang_missing_noreturn_ok_p.
12612 * invoke.texi (Warning Options): Document this.
12614 2000-12-27 Phil Edwards <pme@sources.redhat.com>
12616 * extend.texi (C++ Extensions): New node for C++ attributes;
12617 describe init_priority and com_interface.
12618 * invoke.texi: Remove -finit-priority as it now has zero effect.
12619 * install.texi: Fix xref syntax.
12620 * md.texi: Likewise.
12622 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12624 * config.gcc (sparc64-wrs-vxworks*): New case.
12625 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
12627 * config/sparc/sparc.c (sparc_override_options): Do support different
12628 pointer and architecture size.
12629 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
12630 (POINTERS_EXTEND_UNSIGNED): Define.
12631 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
12632 (FUNCTION_MODE): Define to be Pmode.
12633 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
12635 * function.c (expand_function_end): Properly handle DECL_RESULT
12636 and copy when ptr_mode != Pmode.
12637 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
12639 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12641 * c-common.c (c_common_nodes_and_builtins): Set prototype
12642 parameters for __builtin_fputs, __builtin_fputc and
12643 __builtin_fwrite. Don't declare plain fputc as a builtin.
12645 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
12647 * loop.c (add_label_notes): Increment the label usage count when
12648 a note is added to an insn which refers to a CODE_LABEL.
12649 * gcse.c (add_label_notes): Likewise.
12651 2001-01-01 Andreas Jaeger <aj@suse.de>
12653 * loop.c (scan_loop): Use xmalloc to allocate movables.
12655 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
12657 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
12658 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
12659 * reload1.c (REGISTER_MOVE_COST): Likewise.
12660 * regclass.c (REGISTER_MOVE_COST): Likewise.
12661 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
12662 dimension. Adjust all users.
12663 (init_reg_sets_1): Iterate on all modes.
12664 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
12665 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
12666 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
12667 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
12668 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
12669 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
12670 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
12671 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
12672 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
12673 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
12674 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
12675 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
12676 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
12677 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
12678 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
12679 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
12680 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
12681 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
12682 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
12683 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
12684 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
12685 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
12686 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
12687 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
12688 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
12689 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
12690 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
12692 2001-01-01 Bernd Schmidt <bernds@redhat.com>
12694 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
12695 arg VARIES_P. Call it with extra arg.
12696 (true_dependence): Likewise.
12697 * rtl.h (rtx_addr_can_trap_p): Declare.
12698 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
12700 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
12701 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
12702 pic offset table register if it's zero. All callers changed.
12703 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
12705 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12707 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
12708 STRING_POOL_ADDRESS_P.
12710 * config/sparc/sparc.c (input_operand): Properly test for short op.
12712 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
12713 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
12714 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
12715 * config/sparc/elf.h: No longer include sol2.h.
12716 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
12717 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
12719 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
12721 2001-01-01 Michael Hayes <mhayes@redhat.com>
12723 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
12724 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
12725 (record_initial): Likewise.
12726 * unroll.c (copy_loop_body, loop_iterations): Likewise.
12727 (remap_split_bivs): Likewise.
12729 2001-01-01 Michael Hayes <mhayes@redhat.com>
12731 * loop.c (loop_ivs_free): New function.
12732 (strength_reduce): Break out from...
12734 2001-01-01 Michael Hayes <mhayes@redhat.com>
12736 * loop.h (struct iv): New.
12737 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
12738 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
12739 'reg_biv_class' fields with 'regs' and 'n_regs'.
12740 (struct ivs): Rename 'loop_iv_list' field to 'list'.
12741 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
12742 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
12744 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
12746 * resource.c (mark_referenced_resources): Abort() before
12747 attempting to mark a pseudo register.
12748 (mark_set_resources): Likewise.
12750 2001-01-01 Michael Hayes <mhayes@redhat.com>
12752 * loop.h (REG_IV_CLASS): New accessor macro.
12753 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
12754 * unroll.c (REG_IV_CLASS): Likewise.
12756 See ChangeLog.4 for earlier changes.