1 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
4 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5 overflow flags. Refactor some conditionals.
7 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
10 * tree-dfa.c (add_referenced_var): Only look at decls which
11 have TREE_CONSTANT or TREE_READONLY set instead of if
12 !TREE_PUBLIC or !TREE_CONSTANT.
14 2005-10-13 James E Wilson <wilson@specifix.com>
16 * doc/invoke.texi: For -x, add f95-cpp-input.
17 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
19 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
21 PR tree-optimization/24262
22 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
25 2005-10-12 Richard Henderson <rth@redhat.com>
28 * tree.h (DECL_TRANSPARENT_UNION): Remove.
29 * function.c (assign_parm_find_data_types): Don't support it.
30 * print-tree.c (print_node): Likewise.
31 * c-common.c (handle_transparent_union_attribute): Likewise.
32 Use build_duplicate_type.
33 * tree-inline.c (remap_type_1): Split out of remap_type;
34 properly remap aggregate fields.
35 (build_duplicate_type): New.
36 * doc/extend.texi (Variable Attributes): Remove documentation
37 for transparent_union.
39 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
42 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
43 (gen_stack_pointer_dec): Likewise.
45 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
49 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
51 (struct cxx): Add adjust_class_at_definition target hook.
52 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
53 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
54 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
55 hook_void_tree. Add to TARGET_CXX.
56 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
58 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
59 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
60 instead of attribute. Check for dllexport override. Warn if
61 inconsistent dll linkage. Don't lose old dllimport if decl has
62 had address referenced. Tweak lookup of dllimport atribute.
63 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
64 for target specific rules. Don't add dllimport attribute if
65 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
67 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
68 * varasm.c (initializer_constant_valid_p): Replace
69 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
73 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
74 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
75 (i[34567]86-*-mingw32*): Likewise.
77 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
78 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
80 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
81 C++-specific code. Change return value to bool.
82 (i386_pe_dllimport_p): Likewise.
83 (associated_type): Simplify and make language-independent
84 (i386_pe_encode_section_info): Replace override of ambiguous
85 dllimport symbol refs with a gcc_assert.
86 (i386_pe_valid_dllimport_attribute_p): Define.
87 * config/i386/winnt-cxx.c: New file. Define C++ versions of
88 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
89 i386_pe_adjust_class_at_definition.
90 * config/i386/winnt-stubs.c: New file. Define stub versions of
91 lang-specific functions.
92 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
93 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
94 i386_pe_adjust_class_at_definition.
95 (i386_pe_valid_dllimport_attribute_p): Declare.
96 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
97 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
98 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
101 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
102 dllimport attribute with test of DECL_DLLIMPORT_P.
104 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
106 * combine.c (make_extraction): Correct offset computation.
108 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
110 * config/cris/t-linux (LIMITS_H_TEST): Define.
112 2005-10-12 Richard Henderson <rth@redhat.com>
115 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
117 2005-10-12 Richard Guenther <rguenther@suse.de>
119 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
121 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
124 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
125 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
128 2005-10-12 Richard Guenther <rguenther@suse.de>
131 * varasm.c (output_constant): Correct typo from previous
134 2005-10-11 Ian Lance Taylor <ian@airs.com>
136 PR rtl-optimization/13931
137 * combine.c: Revert patch of 2003-05-14, and:
138 (try_combine): Only set elim_i1 and elim_i2 if the destination is
139 completely killed in the appropriate insn.
140 (distribute_notes): Don't skip multiple hard register test for
143 2005-10-11 Richard Henderson <rth@redhat.com>
146 * c-typeck.c (convert_for_assignment): Use build_constructor_single
147 to initialize a transparent union instead of a nop_expr.
149 2005-10-11 Richard Henderson <rth@redhat.com>
151 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
152 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
153 (tree_ssa_dce_loop): Call scev_reset.
156 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
157 * tree-ssa-dce.c: Include cfgloop.h.
158 (tree_ssa_dce_loop, pass_dce_loop): New.
159 * tree-pass.h (pass_dce_loop): Declare it.
160 * passes.c (init_optimization_passes): Use it.
162 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
165 * convert.c (convert_to_real): Revert 2005-10-05 patch.
166 Only apply the optimization for rounding builtins if the inner
167 cast is also an extension.
169 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
172 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
173 mark_new_vars_to_rename instead of update_stmt.
175 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
177 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
179 2005-10-11 Jakub Jelinek <jakub@redhat.com>
181 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
182 for setting MMX register to 0 rather than mmx.
184 2005-10-10 Steve Ellcey <sje@cup.hp.com>
187 * configure.ac: Move gas check from mips specific case to common case.
188 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
189 * configure: Regenerate
190 * doc/install.texi: Update.
192 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
195 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
197 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
199 * gcc.c (do_spec_1): Accept numeric characters in file name
202 2005-10-10 Nick Clifton <nickc@redhat.com>
204 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
205 describing the deleted arm_gen_rotated_half_load function.
207 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
209 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
212 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
214 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
216 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
217 (EXTRA_MULTILIB_PARTS): Define.
218 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
219 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
220 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
221 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
222 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
223 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
225 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
227 PR tree-optimization/24226
228 * tree-cfg.c (remove_bb): Clean up unreachable loops.
229 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
230 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
233 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
235 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
237 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
240 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
241 Rewrite for no need for the early clobber.
243 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
245 Merge from csl-arm-branch:
246 2005-09-07 Paul Brook <paul@codesourcery.com>
247 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
250 2005-04-30 Paul Brook <paul@codesourcery.com>
251 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
252 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
254 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
255 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
256 (arm_override_options): Use TARGET_AAPCS_BASED.
257 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
258 (PTRDIFF_TYPE): Use int for AAPCS.
259 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
260 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
261 (DEFAULT_SHORT_ENUMS): Delete.
262 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
264 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
265 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
266 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
267 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
269 2004-12-03 Mark Mitchell <mark@codesourcery.com>
270 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
272 2004-11-22 Mark Mitchell <mark@codesourcery.com>
273 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
275 2004-11-19 Mark Mitchell <mark@codesourcery.com>
276 * config.gcc (arm*-*-linux-gnueabi): Add it.
277 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
279 (TARGET_OS_CPP_BUILTINS): Likeiwse.
280 * config/arm/linux-eabi.h: New file.
281 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
282 (LINUX_TARET_LINK_SPEC): Likewise.
284 * config/arm/t-linux-eabi: New file.
286 2005-10-08 Steven Bosscher <stevenb@suse.de>
289 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
291 (PARAM_SMS_DFA_HISTORY): Likewise.
293 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
296 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
297 (load_register_parameters): Call it.
298 (check_sibcall_argument_overlap_1): Likewise.
299 (store_one_arg): Likewise.
301 2005-10-07 James E. Wilson <wilson@specifix.com>
303 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
304 DImode not VECINT24 for operand 2.
307 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
311 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
312 fr_spill): Use destination_operand for operand 0.
314 2005-10-07 DJ Delorie <dj@redhat.com>
316 * varasm.c (output_constant): Limit error to expanding
319 2005-10-07 Richard Guenther <rguenther@suse.de>
322 * fold-const.c (fold_binary): Fix operand types during folding
323 of X op (A, Y). Evaluation order of the side-effects of
324 X and A are frontend-defined, so ensure we honour that even for
325 tcc_comparison class operands; eased by removing duplicate code.
327 2005-10-07 Steve Ellcey <sje@cup.hp.com>
329 * stor-layout.c (layout_type): Do not allow alignment of array
330 elements to be greater than their size.
332 2005-10-07 Steve Ellcey <sje@cup.hp.com>
334 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
336 (hppa*-*-linux*): Ditto.
337 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
338 * config/host-hpux.c: New.
339 * config/x-hpux: New.
340 * config/pa/x-hpux: Remove.
341 * config/pa/x-linux: Remove.
342 * config/pa/pa-host.c: Remove.
344 2005-10-07 Jeff Law <law@redhat.com>
346 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
347 determine whether or not to try and thread outgoing edges.
349 2005-10-07 David Edelsohn <edelsohn@gnu.org>
351 * config/rs6000/rs6000.md (eqsi_power): New.
352 (neg_eq0si): Add TARGET_POWER to final condition.
355 2005-10-06 Richard Henderson <rth@redhat.com>
357 * config/rs6000/rs6000.c: Revert last change.
359 2005-10-06 Richard Henderson <rth@redhat.com>
361 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
362 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
364 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
368 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
369 out return_label and naked_return_label.
371 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
373 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
376 2005-10-06 Richard Henderson <rth@redhat.com>
379 * tree-inline.c (declare_return_variable): Handle modify_dest not
382 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
384 Fix PR tree-optimization/22488
385 * tree-ssa-structalias.c (check_for_overlaps): New function.
386 (create_variable_info_for): Use it.
388 2005-10-06 Richard Henderson <rth@redhat.com>
391 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
392 (dwarf2out_start_source_file): Print it.
394 2005-10-06 Geoffrey Keating <geoffk@apple.com>
396 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
398 2005-10-06 Richard Henderson <rth@redhat.com>
401 * mode-switching.c (optimize_mode_switching): Clear transp bit
402 for block with incomming abnormal edges.
404 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
405 (fpscr_set_from_mem): Use them.
406 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
407 (fpscr postinc splitters): Rewrite as peephole2+split.
409 2005-10-06 David Edelsohn <edelsohn@gnu.org>
411 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
412 (eq<mode>_compare): Same.
414 2005-10-06 Richard Guenther <rguenther@suse.de>
416 PR tree-optimization/24238
417 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
419 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
421 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
422 here. Use AC_PATH_PROG for environment variables instead of
424 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
426 * configure: Regenerated.
428 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
431 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
432 then force it into a register.
433 (call_value): Likewise.
435 2005-10-06 Richard Henderson <rth@redhat.com>
438 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
439 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
440 under pass_vectorize.
442 2005-10-05 Devang Patel <dpatel@apple.com>
445 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
446 handling constants. Check NAMESPACE_DECL context for constants.
448 2005-10-05 Eric Christopher <echristo@apple.com>
450 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
452 2005-10-05 Richard Henderson <rth@redhat.com>
455 * tree-cfg.c (mark_array_ref_addressable_1): New.
456 (mark_array_ref_addressable): New.
457 * tree-flow.h (mark_array_ref_addressable): Declare.
458 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
460 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
464 * reload.c (subst_reloads): When adding a REG_LABEL to a
465 jump instruction, also update JUMP_LABEL.
467 2005-10-05 David Edelsohn <edelsohn@gnu.org>
469 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
470 * bb-reorder.c (copy_bb_p): Use it.
471 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
473 2005-10-05 Richard Henderson <rth@redhat.com>
476 * toplev.c (process_options): Warn about unsupported combinations
477 of unwind tables and omit-frame-pointer.
478 * config/i386/i386.c (override_options): Similarly. Enable
479 accumulate-outgoing-args if not explicitly disabled.
481 2005-10-05 Steve Ellcey <sje@cup.hp.com>
483 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
484 Handle big endian vs. small endian.
485 (vec_initv2sf): Handle big endian vs. small endian.
486 (*vec_extractv2sf_1): Ditto.
488 2005-10-05 Dale Johannesen <dalej@apple.com>
490 * convert.c (convert_to_real): Don't convert
491 (float)floor(double d) to floorf((float)d).
493 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
495 * config/arm/arm.md (insv): Use gen_int_mode in more places.
497 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
499 PR tree-optimization/18587
500 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
501 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
502 build_vuses): Change to VEC type.
503 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
504 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
505 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
506 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
507 (get_name_decl): New. Return DECL_UID of base variable.
508 (operand_build_cmp): New. qsort comparison routine.
509 (operand_build_sort_virtual): New. Sort virtual build vector.
510 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
511 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
512 (FINALIZE_BASE): Use get_name_decl.
513 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
514 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
515 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
516 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
517 direct VEC_* manipulations.
518 (build_ssa_operands): Call operand_build_sort_virtual.
519 (copy_virtual_operand, create_ssa_artficial_load_stmt,
520 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
521 with direct VEC_* manipulations.
522 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
523 with direct VEC manipulations.
525 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
527 PR tree-optimization/21419
528 PR tree-optimization/24146
529 PR tree-optimization/24151
531 * c-typeck.c (readonly_error): Handle USE being lv_asm.
532 (build_asm_expr): Call it if outputs are read-only.
533 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
535 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
536 Paolo Bonzini <bonzini@gnu.org>
540 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
541 enable the instructions and not just the built-ins.
542 * doc/invoke.texi (x86 Options): Likewise.
544 2005-10-04 Geoffrey Keating <geoffk@apple.com>
546 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
548 * doc/invoke.texi (Option Summary): Correct spelling
549 of -mmacosx-version-min.
551 2005-10-04 Devang Patel <dpatel@apple.com>
553 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
556 2005-10-04 Steve Ellcey <sje@cup.hp.com>
558 * tree-vect-transform.c (vect_create_epilog_for_reduction):
559 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
561 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
563 * config/s390/s390.md ("TDSI","DP"): New mode macros.
564 ("TE","tg"): New mode attributes.
565 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
566 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
567 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
568 dword_mode and one for GPRmode.
570 2005-10-04 Ian Lance Taylor <ian@airs.com>
572 PR preprocessor/13726
573 * c-ppoutput.c (cb_include): Add comments parameter, and print out
574 any comments passed in.
576 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
578 * tree.c (annotate_with_file_line): Fix typo.
580 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
583 * builtins.c (fold_builtin_memcmp): When constructing the pointer
584 type used to access data in the inlined length == 1 case, use
585 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
586 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
588 2005-10-04 Uros Bizjak <uros@kss-loka.si>
590 * config/i386/i386.h (TARGET_FISTTP): Enable also for
591 TARGET_SSE3 and only for TARGET_80387.
592 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
593 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
594 Do not depend on TARGET_80387.
596 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
598 * tree.c (last_annotated_node): Change type to location_t*.
599 (annotate_with_file_line): Reflect the change of
600 last_annotated_node type.
602 2005-10-04 Richard Guenther <rguenther@suse.de>
605 * c-decl.c (grokdeclarator): Don't write to fields
608 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
611 * c-decl.c (finish_decl): Use set_user_assembler_name even for
613 * varasm.c (make_decl_rtl): If a register variable does not
614 have a set user assmbler name, error out.
615 Decode the asmspec is now name+1 bypassing '*'.
617 2005-10-04 Steven Bosscher <stevenb@suse.de>
619 PR tree-optimization/23049
620 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
621 of a COND_EXPR is folded before calling fold on the whole rhs of a
622 conditional assignment.
623 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
624 document that a COND_EXPR may appear there.
626 2005-10-03 Diego Novillo <dnovillo@redhat.com>
629 * tree-vrp.c (extract_range_from_assert): If the new numeric
630 range created out of the assertion contradicts the existing
631 numeric range of the ASSERT_EXPR variable, make the new range
634 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
636 * config/sh/sh.c (sh_register_move_cost): Add case for moving
637 from T_REGS to FP register class.
639 2005-10-03 Richard Henderson <rth@redhat.com>
642 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
643 before creating a new one.
645 2005-10-03 David Edelsohn <edelsohn@gnu.org>
647 * config/rs6000/t-aix43 (LDFLAGS): New.
648 * config/rs6000/t-aix52 (LDFLAGS): New.
650 2005-10-03 Ian Lance Taylor <ian@airs.com>
652 * gimplify.c (find_single_pointer_decl_1): New static function.
653 (find_single_pointer_decl): New static function.
654 (internal_get_tmp_var): For a formal variable, set restrict base
655 information if appropriate.
656 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
658 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
659 (DECL_GET_RESTRICT_BASE): Define.
660 (SET_DECL_RESTRICT_BASE): Define.
661 (decl_restrict_base_lookup): Declare.
662 (decl_restrict_base_insert): Declare.
663 (struct tree_decl_with_vis): Add based_on_restrict_p field.
664 * tree.c (restrict_base_for_decl): New static variable.
665 (init_ttree): Initialize restrict_base_for_decl.
666 (copy_node_stat): Copy restrict base information.
667 (decl_restrict_base_lookup): New function.
668 (decl_restrict_base_insert): New function.
669 (print_restrict_base_statistics): New static function.
670 (dump_tree_statistics): Call print_restrict_base_statistics.
672 2005-10-02 Diego Novillo <dnovillo@redhat.com>
675 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
678 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
681 * c-typeck.c (tagged_tu_seen): Rename to ...
682 (tagged_tu_seen_cache): this and add val field.
683 (comptypes): Move functional to comptypes_internal
684 and free tagged_tu_seen.
685 (comptypes_internal): New function and call comptypes_internal
686 instead of comptypes. Speed up by sibcalling
687 tagged_types_tu_compatible_p.
688 (alloc_tagged_tu_seen): New function
689 (free_all_tagged_tu_seen_up_to): New function.
690 (tagged_types_tu_compatible_p): Return the val of the seen two
692 Add that the two types are the same to tagged_tu_seen_base
693 if they are and call comptypes_internal instead of comptypes.
694 <case UNION_TYPE>: Speed up common type where the fields are
696 (function_types_compatible_p): Call comptypes_internal instead of
698 (type_lists_compatible_p): Likewise.
699 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
701 2005-10-02 Matthias Klose <doko@debian.org>
703 * doc/invoke.texi: Fix typo and speling error.
705 2005-10-01 Richard Henderson <rth@redhat.com>
707 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
709 2005-10-01 Mark Mitchell <mark@codesourcery.com>
711 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
712 using --start-group and --end-group.
714 2005-10-01 Diego Novillo <dnovillo@redhat.com>
716 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
717 FIXME note regarding quirky semantics.
719 2005-10-01 Diego Novillo <dnovillo@redhat.com>
722 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
723 non-null range as a last resort.
725 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
726 Diego Novillo <dnovillo@redhat.com>
729 * tree-vrp.c (extract_range_from_assert): For !=
730 assertions, only build an anti-range if LIMIT is a
733 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
735 * arm.md (movqi): On thumb when optimizing, handle loading from
736 memory by describing this as taking a subreg of a zero-extended load
737 into an SImode register.
740 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
742 * reload1.c (merge_assigned_reloads): Do not change any
743 RELOAD_FOR_OUTPUT_ADDRESS reloads.
745 2005-09-30 Geoffrey Keating <geoffk@apple.com>
747 * Makefile.in (LIPO_FOR_TARGET): Define.
748 (STRIP_FOR_TARGET): Define.
750 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
751 before creating new ones. Do symlinks before creating the actual
754 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
755 to work out which multilibs are actually being built.
757 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
759 * tree-vect-transform.c, config/ms1/ms1.md,
760 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
761 Follow spelling conventions.
762 * doc/invoke.texi, doc/md.texi: Fix typos.
764 2005-09-30 Andrew Macleod <amacleod@redat.com>
766 PR tree-optimization/21430
767 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
768 use operands, and set stmt pointer if need be.
769 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
770 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
773 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
776 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
778 2005-09-29 Mark Mitchell <mark@codesourcery.com>
780 * optabs.c (expand_binop): Initialize first_pass_p.
782 2005-09-29 Jakub Jelinek <jakub@redhat.com>
785 * c-decl.c (c_write_global_declarations_1): If any
786 wrapup_global_declaration_2 call returned true, restart the loop.
788 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
790 Fix PR tree-optimization/24117
791 * tree-ssa-structalias.c (find_func_aliases): Strip nops
792 before considering whether to use anyoffset.
794 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
798 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
800 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
802 (swap_commutative_operands_with_target): New.
804 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
807 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
810 2005-09-29 Steven Bosscher <stevenb@suse.de>
812 PR tree-optimization/23911
813 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
814 and IMAGPART_EXPR too.
816 2005-09-28 Mark Mitchell <mark@codesourcery.com>
819 * expmed.c (expand_shift): Move logic to reverse rotation
820 direction when rotating by constants ...
821 * optabs.c (expand_binop): ... here.
822 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
823 (ix86_rotrdi3): New pattern.
824 (rotldi3): Handle 32-bit mode.
825 (ix86_rotldi3): New pattern.
827 2005-09-29 Alan Modra <amodra@bigpond.net.au>
830 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
831 check for numbers that need no bit twiddle.
833 2005-09-28 Geoffrey Keating <geoffk@apple.com>
835 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
836 multilib to be built.
838 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
839 (stage1-start): Delete old libgcc and libunwind before moving
840 anything into the stage directory.
841 (stage2-start): Likewise.
842 (stage3-start): Likewise.
843 (stage4-start): Likewise.
844 (stageprofile-start): Likewise.
845 (stagefeedback-start): Likewise.
846 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
847 header in tm_file and CPU-specific t-darwin in tmake_file.
848 (i[34567]86-*-darwin*): Don't change tm_file.
849 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
850 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
851 shared library stub for target OS version.
852 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
853 (SHLIB_LINK): Don't make SHLIB_SOLINK.
854 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
855 (libgcc_s.%.dylib): New.
857 (install-darwin-libgcc-stubs): New.
858 (INSTALL_LIBGCC): New append.
859 * config/i386/darwin-libgcc.10.4.ver: New.
860 * config/i386/darwin-libgcc.10.5.ver: New.
861 * config/i386/t-darwin: New.
862 * config/rs6000/darwin-libgcc.10.4.ver: New.
863 * config/rs6000/darwin-libgcc.10.5.ver: New.
864 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
865 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
867 2005-09-28 Paul Brook <paul@codesourcery.com>
869 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
872 2005-09-28 Richard Guenther <rguenther@suse.de>
874 PR tree-optimization/23853
875 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
876 host_integerp to verify misalignment value.
878 2005-09-28 Richard Henderson <rth@redhat.com>
880 * builtins.c (get_builtin_sync_mode): New.
881 (expand_builtin_sync_operation): Pass in mode argument.
882 (expand_builtin_compare_and_swap): Likewise.
883 (expand_builtin_lock_test_and_set): Likewise.
884 (expand_builtin_lock_release): Likewise.
885 (expand_builtin): Update to match.
887 2005-09-28 Nick Clifton <nickc@redhat.com>
889 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
890 formatting. Add check to PLUS case to ensure that the offset is
891 within an acceptable range.
893 * config/v850/v850.md (casesi): Disable the generation of the
894 switch pattern as it is not being handled properly at the moment.
896 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
897 for when the high words are identical.
899 2005-09-27 Richard Henderson <rth@redhat.com>
901 * pretty-print.c (pp_base_format): Fix typo for %>.
903 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
904 Devang Patel <dpatel@apple.com>
906 PR tree-optimization/23625
907 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
908 LABEL_EXPR, assertion check.
910 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
912 * optabs.c (no_conflict_move_test): Check if a result of a
913 to-be-moved insn would be clobbered by an originally
916 2005-09-27 Jeff Law <law@redhat.com>
918 * passes.c (init_optimization_passes): Replace copy propagation
919 passes immediately after DOM with phi-only copy propagation
920 pases. Add phi-only copy propagation pass after first DOM pass.
921 * tree-pass.h (pass_phi_only_copy_prop): Declare.
922 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
923 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
924 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
925 to init_copy_prop. Callers updated.
926 (do_phi_only_copy_prop): New function.
927 (pass_phi_only_copy_prop): New pass descriptor.
929 2005-09-27 Nick Clifton <nickc@redhat.com>
931 * libgcc2.c (__popcount_tab): Remove redundant prototype.
933 2005-09-26 Jason Merrill <jason@redhat.com>
936 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
938 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
940 2005-09-26 James E Wilson <wilson@specifix.com>
942 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
943 copyright. Add gcc copyright plus libgcc exception.
944 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
946 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
948 2005-09-26 Jeff Law <law@redhat.com>
950 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
951 about when to iterate.
953 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
956 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
957 for __complex__ double in -mcpu=G5 mode.
959 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
961 PR tree-optimization/23942
962 * Makefile.in (SCEV_H): Depends on PARAMS_H.
963 * tree-scalar-evolution.c: Include params.h.
965 (follow_ssa_edge, follow_ssa_edge_in_rhs,
966 follow_ssa_edge_in_condition_phi_branch,
967 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
968 Change return type to t_bool. Use a parameter to limit the size of
969 trees that are walked before stopping
970 (analyze_evolution_in_loop): Initialize the limit to 0.
971 (follow_ssa_edge): Give up by returning t_dont_know if the limit
972 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
974 2005-09-26 Uros Bizjak <uros@kss-loka.si>
977 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
978 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
980 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
982 * combine.c (make_extraction): Check for valid use of subreg.
984 2005-09-26 Uros Bizjak <uros@kss-loka.si>
987 * config/i386/i386.md ("*fistdi2_1"): New pattern.
988 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
989 ("fist<mode>2_with_temp"): Use only register operands.
991 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
993 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
994 CALL_INSN_FUNCTION_USAGE.
996 2005-09-26 Richard Guenther <rguenther@suse.de>
999 * gcse.c: Include hashtab.h, define ldst entry hashtable.
1000 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
1001 (ldst_entry): Use the hashtable instead of list-walking.
1002 (find_rtx_in_ldst): Likewise.
1003 (free_ldst_entry): Free the hashtable.
1004 (compute_ld_motion_mems): Create the hashtable.
1005 (trim_ld_motion_mems): Remove entry from hashtable if
1006 removing it from list.
1007 (compute_store_table): Likewise^2.
1008 (store_motion): Free hashtable in case we did not see
1011 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
1013 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1014 and arg1 if we are passing them to fold_build2.
1016 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
1019 * config/i386/i386.c (ix86_function_regparm): Fix the test for
1022 2005-09-25 Richard Henderson <rth@redhat.com>
1024 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
1025 SYMBOL_REF_TLS_MODEL to be correct.
1027 2005-09-24 Richard Henderson <rth@redhat.com>
1029 * ipa-type-escape.c (discover_unique_type): Remove dead code at
1030 end of function. Reindent.
1032 2005-09-24 Ian Lance Taylor <ian@airs.com>
1034 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
1035 NEGATE_EXPR/BIT_NOT_EXPR case.
1037 2005-09-24 Richard Henderson <rth@redhat.com>
1039 * c-common.c (handle_mode_attribute): When not modifying in place,
1040 create subtypes for enumerations.
1041 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
1042 * gimplify.c (create_tmp_from_val): Likewise.
1044 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
1046 * config/i386/i386.md (*tls_global_dynamic_64,
1047 *tls_local_dynamic_base_64): Add missing mode to call.
1048 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
1050 2005-09-24 Jan Hubicka <jh@suse.cz>
1052 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
1053 (cgraph_clone_node): Likewise.
1054 * cgraph.h (cgraph_clone_edge): Update prototype.
1055 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
1056 duplicated prototypes; add updating argument.
1057 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
1058 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
1060 (cgraph_mark_inline_edge): Likewise.
1061 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
1062 (cgraph_flatten_node): Likewise.
1063 (cgraph_decide_recursive_inlining): Likewise.
1064 (cgraph_decide_inlining_of_small_function): Likewise.
1065 * tree-optimize.c (tree_rest_of_compilation): Likewise.
1067 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1068 Pete Steinmetz <steinmtz@us.ibm.com>
1070 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
1071 (rldic.): Set type to "compare".
1073 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
1074 mfjmpr for MFCTR/MFLR.
1075 (movdf_hardfloat64): Same.
1076 (movdf_softfloat64): Same. Correct order of store and move types.
1077 (movti_string): Set type to store_ux/load_ux.
1078 (load_multiple): Set type to load_ux.
1079 (store_multiple): Set type to store_ux.
1080 (movmemsi): Set type to store_ux.
1081 (output_cbranch direct_return): Set type to jmpreg.
1082 (stmw): Set type to store_ux.
1083 (lmw): Set type to load_ux.
1084 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
1085 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
1086 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
1087 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
1088 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
1089 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
1090 (rios1-fpstore): Increase latency to 3.
1091 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
1092 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
1094 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1095 Andrew Pinski <pinskia@physics.uc.edu>
1097 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
1098 operand2 constraint to "b".
1099 (sync_<fetchop_name>di_internal): Same.
1100 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
1102 (sync_old_<fetchop_name>di_internal): Same.
1103 (sync_new_<fetchop_name>si_internal): Same.
1104 (sync_new_<fetchop_name>di_internal): Same.
1106 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
1109 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
1110 case, define as macros.
1112 PR rtl-optimization/23837
1113 * optabs.c (no_conflict_move_test): Don't set must_stay for a
1114 clobber / clobber match between dest and p->first.
1116 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
1117 (no_conflict_move_test): Update comments.
1119 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1121 * doc/install.texi: Update URL for Jacks.
1122 * doc/sourcebuild.texi: Likewise.
1124 2005-09-22 David Edelsohn <edelsohn@gnu.org>
1127 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
1128 registers when choosing register preferences.
1129 (movdf_hardfloat64): Same.
1131 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
1133 * expmed.c (expand_shift): Don't use the target of the rotate as
1134 target for the first expanded shift insn.
1135 * testsuite/gcc.dg/20050922-1.c: Testcase added.
1137 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
1139 PR tree-optimization/22438
1140 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
1141 preserved iv rhs rewriting specially.
1143 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
1145 * tree-data-ref.c (analyze_array_indexes): Only estimate when
1146 estimate_only is true.
1147 * tree-flow.h (ref_contains_indirect_ref): New prototype.
1148 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
1149 tree-ssa-structalias.c
1150 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
1151 ref_contains_indirect_ref.
1152 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
1154 2005-09-21 DJ Delorie <dj@redhat.com>
1156 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
1158 (mn10300_return_in_memory): Support variable size types also.
1159 (mn10300_pass_by_reference): Likewise.
1160 (mn10300_function_value): New.
1161 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
1162 (FUNCTION_OUTGOING_VALUE): Likewise.
1163 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
1164 * doc/invoke.texi: Document it.
1166 2005-09-21 Uros Bizjak <uros@kss-loka.si>
1169 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
1170 force integer op1 into register for XFmode compares.
1172 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1175 * expmed.c (alg_code): Add alg_impossible.
1176 (alg_hash_entry): Add cost.
1177 (synth_mult): Record alg_impossible in the hash table if
1178 multiplication by a given integer is impossble within the
1179 limit. Speed up using alg_impossible.
1181 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1183 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
1184 argument. Allow and set any offset if needs_anyoffset is passed
1186 (get_constraint_for): Add argument here too.
1188 (do_structure_copy): Pass NULL to get_constraint_for.
1189 (handle_ptr_arith): Ditto.
1190 (find_func_aliases): Ditto.
1192 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
1194 PR rtl-optimization/23898
1195 * output.h (get_attr_min_length): Declare.
1196 * final.c (get_attr_length_1): New function, broken out of:
1198 (get_attr_min_length): New function.
1199 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
1200 (duplicate_computed_gotos): Likewise.
1201 * genattr.c (insn_min_length): Generate declaration.
1202 * genattrtab.c (min_fn, min_attr_value): New functions.
1203 (make_length_attrs): Generate insn_min_length.
1205 2005-09-20 Steve Ellcey <sje@cup.hp.com>
1207 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
1209 2005-09-20 Richard Henderson <rth@redhat.com>
1211 PR tree-optimization/24059
1212 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
1215 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
1217 * c.opt (fextended-identifiers): New.
1218 * c-opts.c (c_common_handle_option): Handle
1219 -fextended-identifiers.
1220 * doc/cpp.texi: Update documentation of extended identifiers.
1221 * doc/cppopts.texi (-fextended-identifiers): Document.
1223 2005-09-20 Jakub Jelinek <jakub@redhat.com>
1225 PR tree-optimization/23929
1226 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
1229 PR tree-optimization/23818
1230 * tree-stdarg.c (execute_optimize_stdarg): Call
1231 calculate_dominance_info.
1233 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1235 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
1236 (analyze_siv_subscript_cst_affine): Add weak SIV test.
1237 (compute_overlap_steps_for_affine_1_2): Use
1238 get_number_of_iters_for_loop.
1239 (analyze_subscript_affine_affine): Check whether difference is
1241 Use get_number_of_iters_for_loop.
1242 Check whether overlap occurs outside of bounds.
1243 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
1245 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
1247 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
1248 base register if possible.
1250 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
1252 PR tree-optimization/18463
1253 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
1254 converting it directly is not possible.
1255 (chrec_convert_aggressive): New function.
1256 * tree-chrec.h (chrec_convert_aggressive): Declare.
1257 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
1258 Fold chrec conversions aggressively if asked to.
1259 (instantiate_parameters): Modified because of changes in
1260 instantiate_parameters_1.
1262 2005-09-19 Richard Henderson <rth@redhat.com>
1264 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
1265 (reduc_splus_v2df): New.
1267 2005-09-19 Richard Sandiford <richard@codesourcery.com>
1269 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
1270 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
1272 2005-09-19 Richard Henderson <rth@redhat.com>
1274 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
1277 2005-09-19 Richard Henderson <rth@redhat.com>
1279 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
1280 (ia64_expand_dot_prod_v8qi): New.
1281 * config/ia64/ia64-protos.h: Update.
1282 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
1283 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
1284 sdot_prodv8qi, sdot_prodv4hi): New.
1285 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
1287 2005-09-19 Richard Henderson <rth@redhat.com>
1290 * real.c (exact_real_truncate): Return false if the format cannot
1291 represent the number as a normal.
1293 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
1294 for a memory source.
1296 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
1298 * tree-ssa-operands.c (swap_tree_operands): Export.
1299 * tree.h (swap_tree_operands): Declare.
1300 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
1301 Call swap_tree_operands.
1303 2005-09-19 Richard Henderson <rth@redhat.com>
1305 * tree-flow.h (merge_alias_info): Declare.
1306 * tree-ssa-copy.c (merge_alias_info): Export.
1307 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
1308 (vect_create_data_ref_ptr): Use create_iv directly.
1309 (vectorizable_load): Use correct types for integer constants.
1310 (vect_generate_tmps_on_preheader): Likewise.
1311 (vect_gen_niters_for_prolog_loop): Likewise.
1313 2005-09-19 Steven Bosscher <stevenb@suse.de>
1315 PR rtl-optimization/23943
1316 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
1318 2005-09-18 Jan Hubicka <jh@suse.cz>
1320 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
1322 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
1324 * varasm.c (output_constant): Do not abort on conversions to union
1325 types between different sizes.
1327 2005-09-18 Richard Guenther <rguenther@suse.de>
1330 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
1333 2005-09-18 Paul Brook <paul@codesourcery.com>
1335 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
1337 2005-09-17 Richard Henderson <rth@redhat.com>
1339 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
1340 * tree-ssa-loop.c (pass_vect_dce): Remove.
1341 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
1344 2005-09-17 Richard Henderson <rth@redhat.com>
1346 * tree-pass.h (pass_vect_dce): Declare.
1347 * passes.c (init_optimization_passes): Add it.
1348 * tree-flow.h (tree_ssa_dce): Declare.
1349 * tree-ssa-dce.c (tree_ssa_dce): Export.
1350 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
1351 (gate_tree_vectorize): ... here.
1352 (pass_vect_dce): New.
1354 2005-09-17 Jan Hubicka <jh@suse.cz>
1356 * except.c (struct eh_status): Turn region_array into vec.
1357 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
1358 convert_from_eh_region_ranges, find_exception_handler_labels,
1359 current_function_has_exception_handlers, assign_filter_values,
1360 build_post_landing_pads, dw2_build_landing_pads,
1361 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
1362 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
1363 foreach_reachable_handler, can_throw_internal_1,
1364 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
1366 (duplicate_eh_region_1): Update region_array.
1367 (duplicate_eh_regions): Resize region_array and avoid recomputing.
1369 2005-09-17 David Edelsohn <edelsohn@gnu.org>
1372 * expmed.c (expand_mult): Substitute simple register for op0 when
1375 2005-09-17 Richard Henderson <rth@redhat.com>
1377 * expr.c (emit_move_via_integer): Add force argument, pass it on
1378 to emit_move_change_mode. Update callers.
1379 (emit_move_complex): Pass true to new force argument.
1380 * function.c (expand_function_end): Move expand_eh_return call
1381 earlier. Merge sub-word complex values into a pseudo before
1382 copying to the return hard register.
1384 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
1386 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
1387 between different sizes.
1389 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
1393 * passes.c (init_optimization_passes): Register dump files for
1396 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
1398 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1399 * config/s390/s390.c (s390_overlap_p): New function.
1400 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1401 peephole2, "*xc" peephole2): Added overlap check to the peephole2
1404 2005-09-16 Richard Guenther <rguenther@suse.de>
1406 * ipa-pure-const.c (static_execute): Free auxiliar information.
1407 * ipa-type-escape.c (discover_unique_type): Free temporary key.
1408 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1410 2005-09-15 DJ Delorie <dj@redhat.com>
1412 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1414 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1416 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1418 (swap_commutative_operands_with_target): New.
1420 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
1422 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1425 (estimate_iters_using_array): New function.
1426 * tree-data-ref.h (estimate_iters_using_array): Prototype
1427 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1428 Use estimate_iters_using_array instead of analyze_array.
1430 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
1432 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1435 2005-09-15 Michael Matz <matz@suse.de>
1437 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1439 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
1441 PR tree-optimization/23835
1442 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1443 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1445 2005-09-14 Richard Henderson <rth@redhat.com>
1447 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1448 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1450 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
1452 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1453 in the ARRAY_TYPE case.
1455 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
1457 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1459 2005-09-14 Uros Bizjak <uros@kss-loka.si>
1462 * tree-vect-transform.c (vectorizable_operation): Return false for
1463 scalar shift operations and for vector shift operations with
1464 non-invariant shift arguments. Use scalar tree operand op1 as
1465 a shift operand when vector shift insn pattern uses scalar shift
1467 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1469 2005-09-14 Olivier Hainque <hainque@adacore.com>
1471 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1472 value if it has side-effects.
1474 2005-09-14 David Edelsohn <edelsohn@gnu.org>
1477 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1479 2005-09-14 Alan Modra <amodra@bigpond.net.au>
1481 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1482 passed as NAME as if it were label at start of function code.
1484 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
1486 * config/sh/sh.md (*movv4sf_i): Add general register cases to
1489 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1491 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1492 as early clobber. Rewrite so the PIC register is not implicitly used.
1494 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1496 * tree.c (annotate_with_file_line): Compare line numbers before
1499 2005-09-13 Uros Bizjak <uros@kss-loka.si>
1502 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1503 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1505 2005-09-13 Ian Lance Taylor <ian@airs.com>
1507 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1508 than a HOST_WIDEST_INT to gen_doloop_begin.
1510 2005-09-13 Diego Novillo <dnovillo@redhat.com>
1512 * tree-dfa.c (dump_variable): Guard against NULL annotations.
1514 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
1516 PR tree-optimize/23817
1517 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1519 2005-09-13 Alan Modra <amodra@bigpond.net.au>
1522 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1523 word before changing the stack pointer. Use gen_frame_mem for MEMs.
1524 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1525 (restore_stack_nonlocal): Likewise.
1526 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1528 2005-09-12 Ian Lance Taylor <ian@airs.com>
1531 * c.opt (ffriend-injection): New C++ option.
1532 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1533 (C++ Dialect Options): Document -ffriend-injection.
1535 2005-09-12 Josh Conner <jconner@apple.com>
1538 * ipa-reference.c (static_execute): Don't mark variables in
1539 named sections TREE_READONLY.
1541 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1543 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1546 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1548 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1549 V_MUST_DEF instead of just the first_use_p.
1550 Don't mark the virtual variables for renaming on the statement which
1552 (pass_dse): Remove TODO_update_ssa.
1554 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
1557 * stor-layout.c (compute_record_mode): For records with a single
1558 field, actually check the field's mode size against the type size.
1560 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1561 registers for TARGET_SHMEDIA.
1562 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1563 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
1564 of GENERAL_REGS and FP_REGS.
1566 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
1568 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1570 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1572 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1573 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1574 are omitted. Exclude stack_tie insn too.
1576 2005-09-11 David Edelsohn <edelsohn@gnu.org>
1578 PR rtl-optimization/23098
1579 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1581 * config/rs6000/rs6000.md (movdf splitter): Use
1582 const_double_operand predicate for TARGET_POWERPC64.
1583 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1584 SYMBOL_REF method to ABI_V4.
1586 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1587 replace_equiv_address.
1588 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1589 rs6000_sr_alias_set and MEM_NOTRAP.
1590 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1592 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
1594 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1595 handle CALL_EXPR again.
1597 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
1599 * arm/predicates.md (alignable_memory_operand): Delete.
1601 2005-09-10 Richard Henderson <rth@redhat.com>
1604 * dbxout.c (dbxout_expand_expr): New.
1605 (dbxout_symbol): Use it.
1607 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
1609 * arm.c (arm_gen_rotated_half_load): Delete.
1610 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1611 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1612 (thumb_set_return_address): Likewise.
1613 (thumb_load_double_from_address): Use adjust_address.
1614 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1615 (extendhsisi2_mem, movhi_bytes): Use change_address.
1616 (movhi): Use widen_memory_access.
1617 (reload_out_df): Use replace_equiv_address.
1618 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1620 2005-09-09 Richard Henderson <rth@redhat.com>
1623 * dbxout.c: Include expr.h.
1624 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1625 (dbxout_symbol): Handle DECL_VALUE_EXPR.
1626 * Makefile.in (dbxout.o): Add EXPR_H.
1628 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
1630 PR tree-optimization/23509
1631 * tree-cfg.c (replace_uses_by): Use replace_exp.
1632 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1633 pointers have name_mem_tag or type_mem_tag set.
1635 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1637 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1638 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1639 of wrongly accessing operands.
1641 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1643 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1644 * tree-chrec.c: Include tree-scalar-evolution.h.
1645 (chrec_convert): Instantiate the base and step before calling
1646 scev_probably_wraps_p that would fail on parametric evolutions.
1647 Collect all the fails into a single section failed_to_convert,
1648 print a diagnostic, and return chrec_dont_know instead of calling
1650 * tree-scalar-evolution.c (loop_closed_phi_def): New.
1651 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1653 (scev_const_prop): Don't replace the definition of a loop closed ssa
1654 phi node by itself, or by another loop closed ssa phi node.
1655 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1656 that base and step are defined.
1658 2005-09-09 Richard Guenther <rguenther@suse.de>
1661 * fold-const.c (fold_ternary): Check truth_value_p before
1662 calling invert_truthvalue.
1664 2005-09-09 Nick Clifton <nickc@redhat.com>
1666 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1667 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1668 dimension of these arrays.
1669 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1671 * longlong.h: Only provide a prototype for the __clz_tab[] array
1672 if this header has not been included from libgcc2.h.
1673 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1675 Provide prototypes for exported functions.
1676 Use the __clz_tab[] and __popcount_tab[] arrays provided by
1679 2005-09-08 Josh Conner <jconner@apple.com>
1683 * expr.c (expand_expr_addr_expr_1): Don't invoke
1684 expand_simple_binop for EXPAND_INITIALIZER.
1686 2005-09-08 Richard Henderson <rth@redhat.com>
1689 * toplev.c (wrapup_global_declaration_1): Split out ...
1690 (wrapup_global_declaration_2): ... from ...
1691 (wrapup_global_declarations): ... here. Return bool.
1692 (check_global_declaration_1): Split out ...
1693 (check_global_declarations): from here.
1694 (emit_debug_global_declarations): New.
1695 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1696 check_global_declaration_1, emit_debug_global_declarations): Declare.
1697 * c-decl.c (c_write_global_declarations_1): Don't create a vector
1698 of decls. Call wrapup_global_declaration_1,
1699 wrapup_global_declaration_2, check_global_declaration_1 directly.
1700 (c_write_global_declarations_2): New.
1702 (c_write_global_declarations): Call c_write_global_declarations_2.
1703 * langhooks.c (write_global_declarations): Call
1704 emit_debug_global_declarations.
1706 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
1707 remove decls that have DECL_RTL_SET_P.
1708 * passes.c (rest_of_decl_compilation): Invoke
1709 cgraph_varpool_finalize_decl for all but functions.
1711 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1713 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
1714 the result of a conversion if the new min and max cannot be compared.
1716 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
1718 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
1719 (override_options): Setting s390_sr_alias_set removed.
1720 (save_fpr, save_gprs): Set alias set to vararg or frame.
1721 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
1722 s390_sr_alias_set with get_frame_alias_set ().
1723 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
1724 get_varargs_alias_set ().
1726 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1730 * c-parser.c (c_parser_objc_method_definition): If the next
1731 token is not "{", error out and don't start the function.
1733 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1735 * tree-vrp.c (extract_range_from_expr): Move the check for non
1736 nullness after the check for gimple invariant.
1738 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1740 * tree.c (host_integerp, tree_low_cst): Correct function comment.
1742 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1745 * config/m32r.md (movmemsi_internal): Canonicalize order of
1746 operands in PLUS component of template.
1748 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
1750 * reload1.c (fixup_eh_region_note): Remove assertion.
1751 (fixup_abnormal_edges): Reverted removal of call to
1752 find_many_sub_basic_blocks made on 2005-08-31.
1754 2005-09-07 Richard Henderson <rth@redhat.com>
1756 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
1757 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
1758 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
1759 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
1760 rearrange for better packing.
1761 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
1762 (lookup_cfa_1): Remove inline marker.
1763 (cfa_equal_p): Split out of ...
1764 (def_cfa_1): ... here. Use INVALID_REGNUM.
1765 (build_cfa_loc): Handle !cfa->indirect.
1766 (frame_pointer_cfa_offset): New.
1767 (dbx_reg_number): Assert register elimination performed; do
1768 leaf register remapping.
1769 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
1770 (eliminate_reg_to_offset): New.
1771 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
1772 for verifiably local stack frame addresses; re-base to CFA.
1773 (mem_loc_descriptor): Remove can_use_fbreg argument.
1774 (concat_loc_descriptor, loc_descriptor): Likewise.
1775 (containing_function_has_frame_base): Remove.
1776 (rtl_for_decl_location): Don't do register elimination or
1777 leaf register remapping here.
1778 (secname_for_decl): Split out from ..
1779 (add_location_or_const_value_attribute): ... here.
1780 (convert_cfa_to_loc_list): New.
1781 (compute_frame_pointer_to_cfa_displacement): New.
1782 (gen_subprogram_die): Use them.
1783 * tree.h (frame_base_decl): Remove.
1784 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
1785 (prologue_stack_adjust): Remove.
1786 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
1787 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
1788 (set_frame_base_location): Remove.
1789 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
1790 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
1791 (vt_add_function_parameters): Don't eliminate_regs.
1792 (vt_initialize): Don't create frame_base_decl.
1794 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1796 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
1797 version of GNU binutils for 4.x and later.
1799 2005-09-06 Mark Mitchell <mark@codesourcery.com>
1801 * ggc-page.c (ggc_push_context): Remove.
1802 (ggc_pop_context): Likewise.
1803 * ggc.h (ggc_push_context): Remove.
1804 (ggc_pop_context): Likewise.
1806 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1809 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
1810 returning from an interrupt handler.
1812 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1815 * config/arc/arc.c (output_shift): Add check for loop count when
1818 2005-09-06 Steven Bosscher <stevenb@suse.de>
1820 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
1822 (abs_replacement): Likewise.
1823 (pass_phiopt): Remove TODO_update_ssa.
1825 2005-09-06 Jakub Jelinek <jakub@redhat.com>
1828 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
1829 if "return with no value, in function returning non-void" warning
1831 * tree-cfg.c (execute_warn_function_return): Don't look at
1832 RETURN_EXPRs with TREE_NO_WARNING set.
1835 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
1836 for internal functions doesn't use registers used by global registers
1837 variables. Use fewer register parameters if there are global register
1840 2005-09-06 Olivier Hainque <hainque@adacore.com>
1841 Eric Botcazou <ebotcazou@adacore.com>
1844 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
1845 when we would be extracting outside its bit span (bitpos+bitsize
1846 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
1847 Ada unchecked conversions.
1849 2005-09-06 Steven Bosscher <stevenb@suse.de>
1851 * tree-ssa-pre.c (try_look_through_load): New function.
1852 (compute_avail): Use it to try to look through loads for some
1853 more useful expressions.
1855 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1857 * simplify-rtx.c (simplify_binary_operation_1): Correct the
1858 condition for detecting cases like (a&a) and (a^a).
1860 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
1862 * common.opt: Add option ftree-vect-loop-version.
1863 * params.def: Add --param vect-max-version-checks.
1864 * doc/invoke.texi: Document ftree-vect-loop-version and
1865 --param vect-max-version-checks.
1866 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
1867 may_misalign_stmts and defines for accessors.
1868 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
1869 LOOP_VINFO_MAY_MISALIGN_STMTS.
1870 (destroy_loop_vec_info): VEC_free for
1871 LOOP_VINFO_MAY_MISALIGN_STMTS.
1872 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1873 Update documentation.
1874 (vect_update_misalignment_for_peel): New.
1875 (vect_enhance_data_refs_alignment): Update to choose loop
1876 peeling or loop versioning if appropriate for the (potentially)
1877 unaligned data references in the loop.
1878 (vect_analyze_data_refs_alignment): Remove call to
1879 vect_enhance_data_refs_alignment so the checks can be done
1881 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
1882 and move up call to vect_analyze_data_refs_alignment.
1883 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
1884 (vect_transform_loop): Add call to loop_version.
1886 2005-09-06 Jakub Jelinek <jakub@redhat.com>
1888 PR rtl-optimization/23098
1889 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
1890 * simplify-rtx.c (constant_pool_reference_p): New function.
1891 * rtl.h (constant_pool_reference_p): New prototype.
1892 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
1893 constant_pool_reference_p in condition and
1894 avoid_constant_pool_reference in preparation statements.
1896 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
1898 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
1899 STRICT_LOW_PART SETs.
1901 2005-09-06 Alan Modra <amodra@bigpond.net.au>
1904 * except.c (sjlj_emit_function_enter): Find the function begin
1905 note even when it's not in first basic block.
1907 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
1909 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
1910 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
1911 * aclocal.m4: Regenerate.
1913 2005-09-05 DJ Delorie <dj@redhat.com>
1915 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
1918 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
1920 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
1921 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
1922 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
1923 Follow spelling conventions.
1924 * doc/invoke.texi: Follow spelling conventions.
1926 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
1928 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
1929 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
1930 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
1932 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
1935 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
1936 (output_stack_adjust): Use gen_tmp_stack_mem.
1937 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
1938 (sh_set_return_address, sh_allocate_initial_value): Likewise.
1939 (sh_get_pr_initial_val): Likewise.
1940 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
1941 (sh_initialize_trampoline): Likewise. Also use adjust_address.
1942 * sh.md (divsi_inv_m0): Use gen_const_mem.
1943 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
1944 (movdf_i4+1): Use gen_tmp_stack_mem.
1945 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
1946 (fpu_switch+2): Likewise.
1947 (movv4sf_i, movv16sf_i): Use adjust_address.
1948 (symGOT_load): Set MEM_NOTRAP_P bit.
1950 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1953 * pa.c (emit_move_sequence): Fix typo in last change.
1955 2005-09-03 Jakub Jelinek <jakub@redhat.com>
1957 PR rtl-optimization/23454
1958 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
1961 2005-09-03 Richard Henderson <rth@redhat.com>
1962 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1965 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
1968 2005-09-02 Nicolas Pitre <nico@cam.org>
1970 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
1971 to bit_count to 32 bits.
1973 2005-08-31 Mark Mitchell <mark@codesourcery.com>
1976 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
1977 generating synthetic loads from volatile lvalues.
1979 005-09-02 Nick Clifton <nickc@redhat.com>
1981 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
1982 __ctzhi2, __clzhi2): New functions.
1984 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
1987 * tree-nested.c (struct var_map_elt): Mark with GTY.
1988 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
1990 (lookup_field_for_decl): Allocate new element in GC memory.
1991 (lookup_tramp_for_decl): Likewise.
1992 (convert_nl_goto_reference): Likewise
1993 (create_nesting_tree): Allocate info in GC memory. Likewise for
1995 (free_nesting_tree): Free with ggc_free instead of free.
1996 (root): New static variable.
1997 (lower_nested_functions): Remove root as local variable. And zero out
1998 root at the end of the function.
2000 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
2002 PR rtl-optimization/20365
2003 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
2004 to short. New member ix.
2005 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
2006 (simplify_plus_minus): Initialize ix members before calling qsort.
2008 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
2010 PR tree-optimization/23626
2011 * tree-cfg.c (replace_uses_by): Clean up eh info.
2013 2005-09-01 DJ Delorie <dj@redhat.com>
2015 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
2018 2005-09-01 David Edelsohn <edelsohn@gnu.org>
2020 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
2021 (rs6000_split_multireg_move): Use replace_equiv_address instead of
2024 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
2026 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
2027 do not issue warning for a variable definition following
2030 2005-09-01 Richard Henderson <rth@redhat.com>
2033 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
2034 conversion to CONST_VECTOR.
2036 2005-09-01 Richard Henderson <rth@redhat.com>
2039 * reload1.c (reload_as_needed): Check !CALL_P before calling
2040 fixup_eh_region_note.
2041 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
2043 2005-09-01 DJ Delorie <dj@redhat.com>
2045 * varasm.c (output_constant): Let the target resolve
2046 conversions of addresses to non-default pointer sizes.
2048 2005-09-01 Nicolas Pitre <nico@cam.org>
2050 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
2051 to alow matching ARM pre-indexed addressing mode.
2052 (arm_override_options): Remove now irrelevant comment.
2054 2005-09-01 Phil Edwards <phil@codesourcery.com>
2056 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
2057 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
2058 * config/i386/vxworks.h: Likewise.
2059 * config/i386/t-vxworksae: New file, for VxWorks AE.
2060 * config/i386/vxworksae.h: Likewise.
2062 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
2064 PR tree-optimization/23410
2065 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
2066 sequence is not wrapping during the first step.
2068 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2071 * dwarf2out.c (base_type_die): Compare char_type_node with
2072 TYPE_MAIN_VARIANT (type), not type.
2074 2005-09-01 Richard Guenther <rguenther@suse.de>
2076 PR tree-optimization/15366
2077 * common.opt: Add -finline-functions-called-once.
2078 Put -fearly-inlining in alphabetically ordered place.
2079 * doc/invoke.texi: Document new option.
2080 * ipa-inline.c (cgraph_decide_inlining): Honour
2081 flag_inline_functions_called_once.
2083 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2085 PR rtl-optimization/23478
2086 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
2087 (alloc_qty): Initialize it.
2088 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
2089 (combine_regs): Combine also n_throwing_calls_crossed fields.
2090 (find_free_reg): Don't attempt to caller-save pseudos crossing
2091 calls that might throw.
2092 * global.c (struct allocno): Add throwing_calls_crossed field.
2093 (global_alloc): Revert 2005-08-22 change. Initialize
2094 throwing_calls_crossed.
2095 (find_reg): Don't attempt to caller-save pseudos crossing calls that
2098 2005-09-01 Alan Modra <amodra@bigpond.net.au>
2101 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
2102 (mask64_operand): Reinstate code prior to 2005-06-11 change.
2103 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
2104 (and64_2_operand): Tweak to use predicate.
2105 (and_operand): Adjust for mask_operand changes.
2106 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
2107 (print_operand): Likewise.
2108 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
2109 (mask64_1or2_operand): Delete.
2110 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
2111 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
2112 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
2113 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
2114 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
2115 (rotldi3_internal4): Likewise.
2116 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
2117 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
2118 (ashldi3_internal7): Likewise.
2119 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
2120 (ashldi3_internal, ashldi3_internal9 split): Likewise.
2121 (anddi3 split): Don't match mask64_operand.
2122 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
2123 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
2124 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
2125 't' splitter predicate.
2126 (movdi_internal64 + 2): Revert 2005-06-11 change.
2128 2005-08-31 DJ Delorie <dj@redhat.com>
2130 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
2131 (m32c_asm_integer): Add support for 32 bit pointers.
2133 2005-08-31 Richard Henderson <rth@redhat.com>
2135 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
2136 component-like references for setting MEM_NOTRAP_P.
2138 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
2139 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
2141 2005-08-31 Richard Henderson <rth@redhat.com>
2143 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
2144 into a pseudo before applying gen_lowpart.
2146 2005-08-31 Geoffrey Keating <geoffk@apple.com>
2148 * doc/install.texi (Specific): Update cctools version required
2149 for full functionality.
2150 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
2151 linkers as -macosx_version_min.
2153 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
2156 * sh.c (print_operand, %R and %S): Add handling of floating point
2157 registers, memory, constants and invalid operands.
2159 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
2161 * ipa-pure-const.c: Change dump name.
2163 2005-08-31 Uros Bizjak <uros@kss-loka.si>
2166 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
2167 to "reg_or_0_operand".
2168 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
2170 2005-08-31 Dale Johannesen <dalej@apple.com>
2172 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
2173 loops that count down.
2175 2005-08-31 Richard Henderson <rth@redhat.com>
2178 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
2179 (fixup_eh_region_note): New.
2180 (reload_as_needed): Call it.
2181 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
2182 don't call find_many_sub_basic_blocks; call verify_flow_info.
2183 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
2184 (keep_stack_depressed): Likewise.
2185 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
2187 2005-08-31 Richard Henderson <rth@redhat.com>
2189 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
2192 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
2194 * expr.c (expand_expr_real_1): Compare size of address
2195 mode to target's address mode size in deciding expansion of
2196 the constant address.
2198 2005-08-31 Richard Guenther <rguenther@suse.de>
2201 * expr.c (all_zeros_p): New function.
2202 (expand_expr_real_1): Handle the case of an all-zero
2203 non-addressable constructor separately.
2205 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
2207 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
2208 arguments, adjust all callers.
2209 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
2211 2005-08-30 Richard Henderson <rth@redhat.com>
2214 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
2215 whenever the mode sizes match.
2217 2005-08-31 Alan Modra <amodra@bigpond.net.au>
2219 * calls.c (load_register_parameters): Fix comment typo.
2220 * expr.c (emit_push_insn): Comment formatting.
2222 2005-08-30 Ian Lance Taylor <ian@airs.com>
2224 * config/i386/x-cygwin (host-cygwin): Change dependency from
2225 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
2227 2005-08-29 Geoffrey Keating <geoffk@apple.com>
2229 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
2232 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2235 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
2236 call to ggc_collect.
2238 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
2241 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
2242 beginning. Remove $(INCLUDES) from all the rules, if following
2243 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
2245 2005-08-29 Jakub Jelinek <jakub@redhat.com>
2248 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
2249 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
2250 not constant, but maxlen is, don't set len to maxlen, rather
2251 set maxlen to len if len is a constant.
2253 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
2255 PR tree-optimization/23475
2256 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
2259 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
2261 Fix PR middle-end/22455
2263 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
2264 Checksum only the parts of the tree that exist for the tree code.
2266 2005-08-28 Dale Johannesen <dalej@apple.com>
2268 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
2270 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
2272 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
2274 2005-08-28 Richard Henderson <rth@redhat.com>
2276 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
2277 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
2280 2005-08-28 Jakub Jelinek <jakub@redhat.com>
2283 * builtins.c (get_memory_rtx): Don't strip nops
2284 in between COMPONENT_REFs.
2286 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
2289 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
2291 (gimplify_modify_expr): Check for zero sized types and gimplify the
2292 rhs and lhs as statements.
2294 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
2297 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
2298 state for return address column of signal frames.
2300 2005-08-27 David Edelsohn <edelsohn@gnu.org>
2303 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
2304 bytes >= 2 not bytes == 2.
2305 (expand_block_move): Same.
2307 2005-08-27 Richard Guenther <rguenther@suse.de>
2310 * config/i386/sse.md (sse2_movsd): Add missing closing
2313 2005-08-27 Paul Brook <paul@codesourcery.com>
2315 * genrecog.c (enum decision_type): Add DT_num_insns.
2316 (struct decision_test): Add u.num_insns.
2317 (add_to_sequence): Add DT_num_insns test.
2318 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
2319 (write_cond, debug_decision_2): Ditto.
2320 (change_state): Assume peep2_next_insn never fails.
2321 Remove "afterward" argument.
2322 (write afterward, write_tree): Update to match.
2323 * recog.c (peep2_current_count): New variable.
2324 (peep2_next_insn): Check it.
2325 (peephole2_optimize): Set peep2_current_count.
2326 * recog.h (peep2_current_count): Declare.
2328 2005-08-26 Josh Conner <jconner@apple.com>
2331 * ipa-pure-const.c (check_tree): Check for volatile-ness
2332 when considering a dereference.
2334 2005-08-27 Jakub Jelinek <jakub@redhat.com>
2336 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
2338 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2340 PR rtl-optimization/23561
2341 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
2342 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
2343 at most LEN bytes long memory fits into the field.
2344 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
2345 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
2346 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
2348 2005-08-26 Richard Henderson <rth@redhat.com>
2351 * loop.c (biased_biv_may_wrap_p): New.
2352 (maybe_eliminate_biv_1): Use it to suppress non-equality
2353 comparison transformations. Delete disabled code.
2355 2005-08-26 Ian Lance Taylor <ian@airs.com>
2357 * combine.c (make_extraction): Avoid reference outside object.
2359 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
2361 * stor-layout.c (finalize_type_size): Restore behaviour for
2362 non-aggregate types to the status quo ante of the patch for
2363 pr 23467. Document why it matters.
2365 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2368 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
2369 array by one element, initialize the BT_LAST element with NULL.
2371 2005-08-26 David Edelsohn <edelsohn@gnu.org>
2373 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
2374 optimizing for size.
2376 (compare_plus_eqsi): Same.
2377 (plus_eqsi_compare): Same.
2378 (neg_eq0<mode>): Same.
2379 (neg_eq<mode>): Same.
2381 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
2384 2005-08-26 Nick Clifton <nickc@redhat.com>
2386 * config/v850/v850.c (ep_memory_operand): Return FALSE if
2387 TARGET_EP is not defined.
2388 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
2389 TARGET_EP is enabled.
2390 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
2391 * config/v850/v850.md (save_all_interrupt): Only use the EP
2392 register if TARGET_EP is defined.
2393 (restore_all_interrupt): Likewise.
2394 * config/v850/lib1funcs.asm: Update functions so that the EP
2395 register is only used if __EP__ is defined.
2397 2005-08-26 David Ung <davidu@mips.com>
2399 * config/mips/mips.c (mips_expand_prologue): Handle case when
2400 generating for MIPS16 and the outgoing argument area is more than
2401 SMALL_OPERAND. Use the frame pointer as temporary to generate the
2404 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
2406 * config/crx/crx.md: Make doloop_end pattern usage controllable
2407 via mloop-nesting=<max-nesting> command line switch. Make sure
2408 the combiner cannot use doloop_end_<mode> in an illegal way.
2409 * config/crx/crx.c: Use regs up to r6 for argument passing.
2410 Refine crx_address_cost (non cst4 displacements are expensive).
2411 * config/crx/crx.opt: Add switch for mloop-nesting=.
2413 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
2415 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2416 (UNSPEC_MVST): New constant.
2418 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
2420 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2421 Reject operands containing eliminable registers.
2422 * testsuite/gcc.dg/20050825-1.c: New testcase.
2424 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2425 Jan Hubicka <jh@suse.cz>
2427 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2429 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2431 PR tree-optimization/23546
2432 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2435 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
2437 * params.def (PARAM_MIN_SPEC_PROB): New.
2438 * sched-rgn.c (MIN_PROBABILITY): Delete.
2439 (compute_trg_info): Convert to PARAM_VALUE.
2440 * doc/invoke.texi (param): Document min-spec-prob.
2442 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
2444 * config/darwin.h: define __PIC__
2445 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2446 TARGET_OS_CPP_BUILTINS macro.
2448 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2450 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2453 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2455 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2457 * cfghooks.c (duplicate_block): Added position where to place
2458 new block as argument.
2459 * cfghooks.h (duplicate_block): Declaration changed.
2460 * cfglayout.c (copy_bbs): Add argument after. Pass it to
2462 * cfglayout.h (copy_bbs): Declaration changed.
2463 * cfgloop.h (loop_version): Declaration changed.
2464 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2465 position to copy_bbs.
2466 (loop_version): Pass position to duplicate_loop_to_header_edge.
2467 Add place_after argument and position new blocks according to
2469 * modulo-sched.c (sms_schedule): Pass place_after argument
2471 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2472 * tree-cfg.c (split_edge_bb_loc): New function.
2473 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2474 to determine position of new blocks.
2475 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2477 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2478 argument to duplicate_block.
2479 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2480 Pass position to copy_bbs.
2482 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2484 * fold-const.c (ptr_difference_const): Use
2485 cst_and_fits_in_hwi instead of host_integerp.
2487 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2489 * config/darwin.c (gen_pic_offset): New.
2490 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
2493 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
2495 PR tree-optimization/23486
2496 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2498 2005-08-23 Phil Edwards <phil@codesourcery.com>
2500 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
2501 remove use_collect2.
2502 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
2504 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
2505 configuration files to override the default value.
2507 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
2508 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2509 * config/vx-common.h: New file, split out from...
2510 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
2511 * config/vxworksae.h: New file, for VxWorks AE.
2512 * config/vxworks.opt: New file.
2513 * config/vxlib.c: Update for VxWorks 6.
2515 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
2516 other MULTILIB_* variables appropriately.
2517 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
2518 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
2519 * config/rs6000/vxworks.h: Update for VxWorks 6.
2520 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
2522 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
2525 * config/darwin.c (machopic_select_section): Remove the hack to
2526 mark "::operator new" and "::operator delete" for coalescing
2527 even though they are not weak.
2529 2005-08-24 Alan Modra <amodra@bigpond.net.au>
2531 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2532 * configure: Regenerate.
2534 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2537 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2539 * convert.c (convert_to_integer, convert_to_vector): Likewise.
2540 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2543 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2545 * config/rs6000/predicates.md (equality_operator): New.
2546 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2547 comparison with a large constant.
2549 2005-08-23 Mark Mitchell <mark@codesourcery.com>
2551 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2553 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
2555 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2556 registers is even, and we have a hardware double precision fp,
2558 (sh_gimplify_va_arg_expr): For floating point arguments, consider
2559 size of current argument when checking if argument was passed in
2562 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2565 * stor-layout.c (finalize_type_size): Dont override
2566 existing alignment with a smaller alignment from the mode.
2568 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2570 * lambda-code.c (lambda_vector_lexico_pos): Moved...
2571 * lambda.h (lambda_vector_lexico_pos): ... here.
2572 * tree-data-ref.c (build_classic_dist_vector): Return false when
2573 the distance vector is lexicographically negative.
2575 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2577 PR tree-optimization/23511
2578 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2579 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2581 2005-08-23 Jakub Jelinek <jakub@redhat.com>
2583 PR tree-optimization/22043
2584 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2585 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2586 If ALLOW_FLEXARR, handle types ending with flexible array member.
2587 Pass false as second argument to recursive count_type_elements calls.
2588 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2589 argument to count_type_elements call.
2590 * tree-sra.c (decide_block_copy): Likewise.
2591 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2592 for a constant-sized object, set cleared as well. Pass true as
2593 second argument to count_type_elements call.
2595 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2598 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2599 from legitimate_small_data_p, and make global. Update use.
2600 Remove forward declaration.
2601 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2603 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2605 2005-08-23 David Edelsohn <edelsohn@gnu.org>
2607 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2608 of scratch intermediates.
2609 (eq<mode>_compare): Same.
2610 (neg_eq0<mode>): New.
2611 (neg_eq<mode>): Convert to define_insn_and_split.
2613 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2616 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2617 stdarg functions, set/clear the fp marker even when no variable
2619 * config/rs6000/sysv4.opt (mprototype): Describe.
2621 2005-08-22 Jakub Jelinek <jakub@redhat.com>
2623 PR rtl-optimization/23478
2624 * regs.h (reg_info): Add throw_calls_crossed.
2625 (REG_N_THROWING_CALLS_CROSSED): Define.
2626 * flow.c (allocate_reg_life_data): Initialize
2627 REG_N_THROWING_CALLS_CROSSED.
2628 (propagate_one_insn, attempt_auto_inc): Update
2629 REG_N_THROWING_CALLS_CROSSED.
2630 * global.c (global_alloc): Don't allocate pseudos across
2631 calls that may throw.
2633 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
2636 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2637 value is inbetween the range if we did not find an exact match.
2639 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
2641 * doc/invoke.texi (Option Summary): Add ms1 options.
2642 * doc/extend.texi: Document interrupt handler attribute for ms1.
2643 * doc/md.texi: Document ms1 constraints.
2644 * config.gcc: Add ms1-*-elf.
2645 * config/ms1/ms1.h: New.
2646 * config/ms1/ms1.c: New.
2647 * config/ms1/ms1.md: New.
2648 * config/ms1/ms1-protos.h: New.
2649 * config/ms1/ABI.txt: New.
2650 * config/ms1/crti.asm: New.
2651 * config/ms1/crtn.asm: New.
2652 * config/ms1/lib2extra-funcs.c: New.
2653 * config/ms1/t-ms1: New.
2654 * config/ms1/ms1.opt: New.
2656 2005-08-22 Ira Rosen <irar@il.ibm.com>
2658 * config/rs6000/altivec.md (xorv4sf3): New.
2659 (negv4sf2, neg<mode>2): Likewise.
2661 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
2664 * config/ia64/ia64.md (divsi3): Check divide by zero.
2665 (udivsi3): Likewise.
2667 (udivdi3): Likewise.
2669 2005-08-21 Jakub Jelinek <jakub@redhat.com>
2671 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2672 up to elem_bitsize bits, not max_bitsize.
2674 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2676 PR tree-optimization/23433
2677 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2678 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2680 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2682 PR tree-optimization/23434
2683 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2684 the iteration bound is not an INTEGER_CST.
2686 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
2688 * tree-vect-transform.c (get_initial_def_for_reduction): Set
2689 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2690 NULL if need_epilog_adjust is false.
2691 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2692 Case 3 always peels first itration, not just for PLUS case, and no need
2693 to use scalar_initial_def here. Create an epilog adjustment only if
2694 scalar_initial_def is not NULL.
2696 (vectorizable_reduction): Remove assert.
2698 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
2701 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
2702 (__moddi3): Likewise.
2703 (__udivdi3): Likewise.
2704 (__umoddi3): Likewise.
2705 (__divsi3): Likewise.
2706 (__modsi3): Likewise.
2707 (__udivsi3): Likewise.
2708 (__umodsi3): Likewise.
2710 2005-08-20 Jakub Jelinek <jakub@redhat.com>
2712 * tree-pass.h (TDF_GRAPH): Define.
2713 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
2714 * passes.c (finish_optimization_passes): Only call
2715 finish_graph_dump_file if TDF_GRAPH is set.
2716 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
2717 NULL. Set TDF_GRAPH bit.
2718 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
2720 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
2722 * arm.h (arm_stack_offsets): Add locals_base field.
2723 * arm.c (arm_get_frame_offsets): Compute it.
2724 (thumb_compute_initial_elimination offset): Make the Thumb frame
2725 pointer point to the base of the local variables.
2726 (thumb_expand_prologue): Update accordingly.
2727 (thumb_expand_epilogue): Likewise.
2729 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
2730 mode of clobbered scratch to DImode. Handle a case that's known to
2733 2005-08-19 David Edelsohn <edelsohn@gnu.org>
2735 * config/rs6000/rs6000.md (gt0<mode>): Delete.
2736 (gt0<mode>_compare): Delete.
2737 (neg_gt0<mode>): Delete.
2739 2005-08-19 Eric Christopher <echristo@apple.com>
2741 * optabs.h: Change CTI_ to COI_.
2744 2005-08-19 James E Wilson <wilson@specifix.com>
2746 * builtins.c (expand_builtin_return_addr): Set
2747 current_function_accesses_prior_frames when count != 0. Use
2748 frame_pointer_rtx when count == 0.
2749 * function.h (struct function): Add accesses_prior_frames field.
2750 (current_function_accesses_prior_frames): Define.
2751 * reload1.c (init_elim_table): Check
2752 current_function_accesses_prior_frames.
2753 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
2755 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2757 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
2758 indicator. Return true if the flowgraph changed during
2761 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2764 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
2765 conditional expression before testing its value.
2767 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2769 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
2771 2005-08-19 Devang Patel <dpatel@apple.com>
2773 PR tree-optimization/23048
2774 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
2775 third parameter. Check whether latch is dominated by exit
2777 (if_convertible_loop_p): Supply exit block itself to
2778 if_convertible_bb_p.
2780 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2783 * arm.md (arm_load_pic_register): Change argument to the mask of
2784 saved registers. Call thumb_find_work_register if we need a
2785 scratch register on Thumb.
2786 (arm_expand_prologue): Pass empty register set to
2787 arm_load_pic_register.
2788 (thumb_expand_prologue): Pass live_regs_mask directly to
2789 arm_load_pic_register.
2790 * arm-protos.h (arm_load_pic_register): Update prototype.
2792 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
2794 * sh.c (find_sole_member): New function.
2795 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
2796 if the record's alignment is larger than the size of its only member.
2798 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2801 * arm.c (thumb_legitimize_reload_address): New function.
2802 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
2803 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
2805 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
2807 * config/crx/crx.c: Implement crx_decompose_address. Reject
2808 symbolic displacements since CRX register relative adressing
2809 mode can't handle unsigned 32-bit values as displacements.
2810 * config/crx/crx.h: Simplify definitions, remove redundant
2811 parenthesis and obsolete macros.
2812 * config/crx/crx.opt: Add new switch for debugging addresses.
2813 * config/crx/crx-protos.h: Add new declarations for above.
2815 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
2818 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
2821 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2823 * collect2.c (dup2): Delete.
2824 * configure.ac: Don't check for dup2.
2826 * config.in, configure: Regenerate.
2828 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
2830 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
2831 record with the type of its only member.
2833 2005-08-18 David Edelsohn <edelsohn@gnu.org>
2835 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
2836 define_insn_and_split.
2837 (plus_ltu<mode>_compare): Same.
2838 (gtu<mode>_compare): Same.
2839 (plus_gtu<mode>_compare): Same.
2841 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
2843 PR tree-optimization/22228
2844 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
2846 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
2847 are recorded in vect_vnames_to_rename for renaming.
2848 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
2849 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
2850 in vect_vnames_to_rename.
2851 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
2852 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
2854 2005-08-18 Jan Hubicka <jh@suse.cz>
2857 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
2858 info only for local statics, not for member variables.
2860 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2862 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
2864 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2866 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
2868 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
2871 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
2873 2005-08-17 James E Wilson <wilson@specifix.com>
2875 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2878 2005-08-17 David Edelsohn <edelsohn@gnu.org>
2880 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
2881 (leu<mode>_compare): Same.
2882 (plus_leu<mode>): Same.
2883 (neg_leu<mode>): Same.
2884 (and_neg_leu<mode): Same.
2885 (ltu<mode>_compare): Same.
2886 (plus_ltu<mode>): Same.
2888 (geu<mode>_compare): Same.
2889 (plus_geu<mode>): Same.
2890 (neg_geu<mode>): Same.
2891 (and_neg_geu<mode>): Same.
2892 (plus_gt<mode>): Same.
2893 (gtu<mode>_compare): Same.
2894 (plus_gtu<mode>): Same.
2896 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
2898 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
2899 Move call_table_data to end. Delete spurious .text.
2900 (callt_save_all_interrupt): Fix comment typo.
2902 2005-08-17 James E Wilson <wilson@specifix.com>
2903 Kevin Winchester <winchester@amirix.com>
2906 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
2908 2005-08-17 Uros Bizjak <uros@kss-loka.si>
2911 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
2912 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
2914 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
2916 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
2917 record with the type of its only member if the modes don't match.
2919 * varasm.c (decode_reg_name): Skip empty additional register names.
2921 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2923 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
2924 lsm_tmp_name_length): New.
2925 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
2926 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
2928 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2929 Andreas Krebbel <krebbel1@de.ibm.com>
2931 * config.gcc: Added z9-109 switch.
2932 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
2933 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
2934 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
2935 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
2936 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
2937 for "z9_109" cpu attribute.
2938 * config/s390/s390.c (z9_109_cost): New processor cost structure.
2939 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
2940 (s390_handle_arch_option): Added z9-109 switch.
2941 (override_options): Set respective cost function for z9-109.
2942 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
2943 (legitimate_reload_constant_p): Accept extended immediates.
2944 (print_operand): Three new output modifiers added: k, m and o.
2945 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
2946 (s390_output_mi_thunk): Use extended immediate when possible.
2947 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
2948 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
2949 (CONSTRAINT_LEN): Added length of O constraint.
2950 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
2951 * config/s390/s390.md ("cpu"): New value z9_109 added.
2952 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
2953 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
2954 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
2955 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
2956 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
2957 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
2958 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
2959 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
2960 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
2961 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2962 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
2963 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
2964 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
2965 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
2966 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
2968 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
2969 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
2970 insns for TARGET_EXTIMM.
2972 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
2974 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
2976 2005-08-17 Nick Clifton <nickc@redhat.com>
2978 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
2979 Call default_encode_section_info.
2981 2005-08-17 Steven Bosscher <stevenb@suse.de>
2983 PR tree-optimization/21574
2984 * tree-ssa-ccp.c (likely_value): If the right hand side is a
2985 constant, return CONSTANT.
2986 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
2987 (ccp_fold, visit_assignment): Likewise.
2988 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
2990 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
2992 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
2993 fold_buildN instead of buildN then fold_initializer or fold.
2994 (build_unary_op): Likewise.
2995 (build_binary_op): Likewise.
2996 * fold-const.c (fold_initializer): Remove.
2997 (fold_build1_initializer): New function.
2998 (fold_build2_initializer): New function.
2999 (fold_build3_initializer): New function.
3000 * tree.h (fold_initializer): Remove.
3001 (fold_build1_initializer): New function.
3002 (fold_build2_initializer): New function.
3003 (fold_build3_initializer): New function.
3005 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3007 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
3008 (try_move_mult_to_index): Call fold_build2 instead of build2.
3009 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
3010 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
3011 fold_binary_to_constant.
3012 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
3014 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
3015 check if A == gcd (A, B). Remove TYPE argument.
3016 (analyze_offset) Use fold_build2 instead of fold (build.
3017 (create_data_ref): Likewise.
3018 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
3019 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
3022 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
3024 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
3025 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
3027 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
3030 * gimplify.c (zero_sized_type): New function.
3031 (gimplify_modify_expr_rhs): If we have a zero sized type,
3032 replace the statement with an empty statement.
3034 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
3036 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
3039 2005-08-16 Ian Lance Taylor <ian@airs.com>
3041 * doc/tm.texi (Label Output): Correct typo.
3043 2005-08-16 Steven Bosscher <stevenb@suse.de>
3046 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
3047 force_operand will work later on using have_insn_for.
3049 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3051 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
3053 2005-08-16 Ian Lance Taylor <ian@airs.com>
3056 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
3057 vector type, don't try to construct it element by element. Add an
3058 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
3060 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3062 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
3064 2005-08-16 Geoffrey Keating <geoffk@apple.com>
3066 * doc/invoke.texi (Precompiled Headers): Document some more options
3067 which are known to be safe.
3069 2005-08-16 James E Wilson <wilson@specifix.com>
3071 PR tree-optimization/21105
3072 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3073 TREE_OVERFLOW check.
3075 2005-08-16 David Edelsohn <edelsohn@gnu.org>
3077 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
3078 (neg_ltu<mode>): Same.
3080 (neg_gtu<mode>): Same.
3082 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3084 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
3085 (fold_builtin_isdigit): Use fold_buildN.
3086 (build_function_call_expr): Likewise.
3087 * c-typeck.c (c_finish_loop): Likewise.
3089 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
3090 Richard Shann <rshann@superh.com>
3092 PR middle-end/20396:
3093 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
3095 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
3097 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
3099 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
3102 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
3103 arm_compure_save_reg0_reg12_mask to determine when the PIC register
3106 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3109 * fold-const.c (build_range_check): Disable optimization for function
3110 pointer expressions on targets that require function pointer
3113 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
3115 * simplify-rtx.c (simplify_const_relational_operation): When
3116 extracting arguments of a COMPARE, recompute the mode as well.
3118 2005-08-15 Ian Lance Taylor <ian@airs.com>
3120 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
3122 2005-08-15 DJ Delorie <dj@redhat.com>
3124 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
3126 (movsi_splittable): Allow, but split, moves to the stack.
3127 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
3130 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3132 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
3133 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
3134 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
3136 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
3137 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
3138 Delete HOST_PTR_PRINTF.
3140 * configure, config.in: Regenerate.
3142 2005-08-15 David Edelsohn <edelsohn@gnu.org>
3144 * config/rs6000/rs6000.md (QHSI): New mode macro.
3145 (wd): Extend mode attr for QImode and HImode
3146 (dbits): New mode attr.
3147 (zero_extend<mode>di2): Convert to mode macro.
3149 2005-08-15 Steve Ellcey <sje@cup.hp.com>
3152 * doc/invoke.texi (-mgnu-ld): Update description.
3155 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3158 * Makefile.in (tree-chrec.o): Depends on real.h.
3159 * tree-chrec.c: Include real.h.
3160 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
3161 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
3162 * tree-scalar-evolution.c (add_to_evolution_1,
3163 interpret_rhs_modify_expr): Ditto.
3165 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3168 * tree-data-ref.c (estimate_niter_from_size_of_data): When
3169 step is negative compute the estimation from init downwards to zero.
3171 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
3173 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
3175 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3177 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
3179 (legitimate_reload_constant_p): Fix handling of lliXX operands.
3180 Accept double-word constants that can be split.
3181 * config/s390/s390.md ("movti"): Use 'P' constraint.
3182 ("*movdi_31", "*movdf_31"): Likewise.
3184 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
3186 Fix PR tree-optimization/22615
3188 * tree-ssa-structalias.c (solution_set_add): Handle
3189 first_vi_for_offset returning NULL.
3190 (do_da_constraint): Ditto.
3191 (do_sd_constraint): Ditto.
3192 (do_ds_constraint): Ditto
3193 (find_func_aliases): Ditto.
3194 (build_constraint_graph): RHS is allowed be ANYTHING.
3195 (first_vi_for_offset): Return NULL if we couldn't find anything at
3198 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3200 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
3201 over memory as first operand.
3203 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
3206 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
3207 available for setting it.
3209 2005-08-14 Ira Rosen <irar@il.ibm.com>
3211 PR tree-optimization/23320
3212 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
3213 data-refs' types instead of base object nullness. Add check for
3214 pointer type data-refs before first location comparison. Remove
3217 2005-08-14 Andreas Schwab <schwab@suse.de>
3219 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
3221 2005-08-13 James E Wilson <wilson@specifix.com>
3223 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
3224 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
3225 -fstack-protector-all, --param ssp-buffer-size): Document.
3226 (-Wvariadic-macros): Alphabetize.
3227 (-fsched-stalled-insns-dep): Add missing 'f'.
3229 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
3232 2005-08-13 David Edelsohn <edelsohn@gnu.org>
3234 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
3235 or indirect address operand.
3236 (EXTRA_ADDRESS_CONSTRAINT): New.
3237 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
3239 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
3241 PR tree-optimization/22236
3242 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
3243 successors and predecessors.
3244 * tree-chrec.c (chrec_convert): Before converting, check that
3245 sequences don't wrap.
3246 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
3247 (analyze_array): Extern.
3248 (find_data_references_in_loop): Remove call to
3249 compute_estimated_nb_iterations.
3250 * tree-data-ref.h (analyze_array): Declared.
3251 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
3252 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
3253 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
3254 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
3256 * tree-ssa-loop-ivcanon.c: Fix documentation.
3257 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
3258 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
3259 (infer_loop_bounds_from_undefined): New.
3260 (estimate_numbers_of_iterations_loop): Use
3261 infer_loop_bounds_from_undefined.
3262 (used_in_pointer_arithmetic_p): New.
3263 (scev_probably_wraps_p): Pass an extra parameter. Call
3264 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
3265 (convert_step): Fix documentation.
3266 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
3267 Use initial_condition_in_loop_num and evolution_part_in_loop_num
3268 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
3269 scev_probably_wraps_p.
3271 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3273 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
3274 (s390_register_info): Ignore clobbered_regs information for fixed
3275 registers, and only fixed registers.
3276 (s390_init_frame_layout): Remove redundant call.
3278 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
3280 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
3281 description of -Wold-style-casts.
3283 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3284 Jakub Jelinek <jakub@redhat.com>
3286 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3287 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
3288 * config/s390/s390.c (print_operand): New output modifier 'G' added.
3289 (get_thread_pointer): Renamed to s390_get_thread_pointer.
3290 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
3291 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
3292 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
3293 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3294 ("stack_protect_set", "stack_protect_test"): New expanders.
3295 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
3296 "stack_protect_testdi"): New insn definitions.
3298 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3300 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
3302 2005-08-12 Paul Brook <paul@codesourcery.com>
3304 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
3306 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3308 * config/s390/predicates.md (setmem_operand): New predicate.
3309 (shift_count_operand): Accept ANDs with special constants as
3311 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
3312 with special constants.
3313 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
3314 shift_count_operand with setmem_operand.
3316 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3318 * config/s390/s390.c (s390_extract_part, s390_single_part):
3320 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
3321 (s390_output_mi_thunk): Don't use lg on 31 bit.
3322 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
3323 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
3325 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3327 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
3328 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
3329 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
3330 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
3331 with one of the new macros.
3333 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3335 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
3336 Don't set save_return_addr_p.
3337 (s390_register_info): Make clobbered_regs not depending on
3340 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
3342 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
3343 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
3345 2005-08-11 James E. Wilson <wilson@specifix.com>
3347 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
3349 2005-08-11 Jakub Jelinek <jakub@redhat.com>
3351 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
3352 locations gathered by var-tracking in single entry loc_list
3353 over loc_descriptor_from_tree.
3355 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
3356 pass it down to loc_descriptor.
3357 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
3358 (containing_function_has_frame_base): Move earlier in the file.
3359 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
3360 instead of always assuming fbreg can't be used.
3362 2005-08-11 David Edelsohn <edelsohn@gnu.org>
3364 * config/rs6000/altivec.md: Change constraint "m" to "Z".
3365 * config/rs6000/predicates.md (indexed_or_indirect_operand):
3366 Accept address wrapped in AND for Altivec.
3367 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
3368 Strip AND wrapping offset address for Altivec.
3370 2005-08-11 Richard Henderson <rth@redhat.com>
3373 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
3374 before using TYPE_IS_SIZETYPE.
3376 2005-08-11 Richard Henderson <rth@redhat.com>
3379 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
3380 insn types not present on ev4.
3381 (alphaev5_insn_pipe): Similarly.
3383 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
3386 * arm.c (arm_override_options): If the user has selected callee-super-
3387 interworking, then enable normal interworking.
3389 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3391 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
3394 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
3396 * doc/rtl.texi: Fix two typos.
3398 2005-08-11 Richard Guenther <rguenther@suse.de>
3401 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
3402 cases where we call to/from functions returning void.
3404 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
3407 * tree.c (build_pointer_type_for_mode): Robustify.
3409 2005-08-10 James E Wilson <wilson@specifix.com>
3411 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
3412 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
3414 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
3417 2005-08-10 Eric Christopher <echristo@apple.com>
3419 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
3420 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
3423 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
3426 * config/darwin.c (machopic_indirect_data_reference): Use a new register
3427 for the high part when generating dynamic-no-pic code.
3429 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
3431 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
3432 (x86_64-*-linux*): Likewise.
3434 * config/i386/crtfastmath.c: New file.
3435 * config/i386/t-crtfm: Likewise.
3437 * config/i386/linux.h (ENDFILE_SPEC): New.
3438 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
3440 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3443 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
3445 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
3446 (vec_shl, vec_shr): Document new operations.
3447 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
3449 2005-08-10 David Edelsohn <edelsohn@gnu.org>
3451 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
3452 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
3453 change predicate to indexed_or_indirect_address.
3455 2005-08-10 Richard Sandiford <richard@codesourcery.com>
3457 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
3458 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
3459 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
3460 and __aeabi_uwrite8.
3461 * config/arm/unaligned-funcs.c: New file.
3462 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
3464 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
3466 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
3468 * cfglayout.c (pass_insn_locators_initialize): Add dump.
3469 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
3471 * except.c (pass_convert_to_eh_region_ranges): Add dump.
3472 * final.c (pass_shorten_branches): Add dump.
3473 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
3474 (pass_life): Rename dump.
3475 (rest_of_handle_flow2): Remove initial verify_flow_info.
3476 * function.c (pass_instantiate_virtual_regs): Add dump.
3477 * integrate.c (pass_initial_value_sets): Add dump.
3478 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
3479 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
3480 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
3481 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
3482 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
3483 gate_rtl_unrool_and_peel_loops): New.
3484 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
3485 rtl_doloop): Do not look at flags.
3486 * mode-switching.c (pass_mode_switching): Add dump.
3487 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
3488 pass_split_before_regstack): Add dump.
3489 * regmove.c (pass_stack_adjustments): Add dump.
3490 * tree-optimize.c (pass_fixup_cfg): Add dump.
3492 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3495 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
3496 deciding which instruction sequence to use.
3498 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
3500 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
3501 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
3503 2005-08-09 Richard Guenther <rguenther@suse.de>
3505 * c-common.c (builtin_function_2): Remove.
3506 (def_builtin_1): New function.
3507 (c_common_nodes_and_builtins): Use def_builtin_1 to
3508 build builtin functions.
3510 2005-08-09 Jie Zhang <jie.zhang@analog.com>
3512 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
3513 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3514 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
3517 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3519 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
3520 fold_binary instead of fold_build2 since we don't care about the
3522 (loop_niter_by_eval): Likewise.
3523 (compare_trees): Likewise.
3524 (proved_non_wrapping_p): Likewise.
3526 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3530 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
3531 if the if is really empty.
3533 2005-08-09 Steven Bosscher <stevenb@suse.de>
3535 PR tree-optimization/23234
3536 * tree-ssa-math-opts.c (place_reciprocal): New enum.
3537 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
3538 argument of the new enum.
3539 (execute_cse_reciprocals): Add reciprocals for function arguments
3540 on the unique successor edge of the entry block. Update other calls
3541 to execute_cse_reciprocals_1.
3543 2005-08-08 Richard Henderson <rth@redhat.com>
3546 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3548 2005-08-08 Bob Wilson <bob.wilson@acm.org>
3550 * expr.c (write_complex_part): Return after handling MEM.
3552 2005-08-08 Josh Conner <jconner@apple.com>
3554 PR rtl-optimization/23241
3555 * combine.c (simplify_comparison): Fix error in determining
3556 whether to lift a subreg from comparison.
3558 2005-08-08 David Edelsohn <edelsohn@gnu.org>
3561 * config/rs6000/altivec.md (vec_init<mode>): New.
3562 (vec_set<mode>): New.
3563 (vec_extract<mode>): New.
3564 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3565 (rs6000_expand_vector_set): New.
3566 (rs6000_expand_vector_extract): New.
3567 (rs6000_legitimate_offset_address_p): Offset addresses are valid
3568 for Altivec modes before reload.
3569 (altivec_expand_vec_init_builtin): New.
3570 (get_element_number): New.
3571 (altivec_expand_vec_set_builtin): New.
3572 (altivec_expand_vec_ext_builtin): New.
3573 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3575 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3577 * config/rs6000/rs6000.h (rs6000_builtins): Add
3578 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3579 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3580 * config/rs6000/rs6000-protos.h: Declare new functions.
3582 2005-08-08 Jan Hubicka <jh@suse.cz>
3584 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3585 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3586 * i386.md (movdi*): Use pic_32bit_operand.
3587 * predicates.md (pic_32bit_operand): New.
3589 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
3592 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3594 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
3596 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3597 (test_for_singularity): Use fold_build2.
3599 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3601 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3603 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
3605 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3606 (COMMON_ASM_OP) Define.
3607 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3608 (ix86_encode_section_info): Likewise.
3609 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3610 SUBTARGET_ENCODE_SECTION_INFO.
3612 2005-08-06 Richard Henderson <rth@redhat.com>
3615 * tree-nested.c (convert_local_reference): Save and restore val_only
3616 around component_ref and friends. Clear walk_subtrees by default.
3618 2005-08-06 Peter O'Gorman <peter@pogma.com>
3621 * gcc.c (process_command): Check the argument to -b has a dash.
3622 * doc/invoke.texi: Update -b and -V docs.
3624 2005-08-06 James E Wilson <wilson@specifix.com>
3626 * config/mips/cross64.h, config/mips/t-cross64: Delete.
3628 2005-08-06 Michael Matz <matz@suse.de>
3630 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
3631 member only if only one insn is associated with the value.
3633 2005-08-06 Nick Clifton <nickc@redhat.com>
3635 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
3637 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
3638 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
3639 Check symbol flags instead of symbol name mangling.
3640 (xstormy16_asm_output_aligned_common): Likewise. Also
3641 simplify code since the bss100_section cass is the only case
3642 where the below100 code will be triggered.
3643 (xstormy16_encode_section_info): Encode below100 attribute
3644 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
3646 (xstormy16_strip_name_encoding): Delete - this function is no
3648 (TARGET_STRIP_NAME_ENCODING): Undefine.
3649 * config/stormy16/stormy16-protos.h: Delete prototype for
3650 xstormy16_strip_name_encoding.
3652 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
3654 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
3655 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
3656 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
3657 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
3658 config/alpha/predicates.md, config/arc/arc.h,
3659 config/arm/arm.h, config/arm/ieee754-df.S,
3660 config/arm/ieee754-sf.S, config/bfin/bfin.c,
3661 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
3662 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
3663 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
3664 config/m68hc11/m68hc11.h, config/mips/mips.c,
3665 config/mips/mips.h, config/mips/openbsd.h,
3666 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
3667 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
3668 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3669 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3670 config/sparc/linux.h, config/sparc/linux64.h,
3671 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
3672 doc/extend.texi, doc/gcov.texi, doc/install.texi,
3673 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
3674 typos. Follow spelling conventions.
3676 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
3679 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
3680 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
3681 specially. Check for side effects only for COND_EXPR.
3682 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
3683 return with TREE_NO_WARNING.
3685 2005-08-06 Richard Sandiford <richard@codesourcery.com>
3687 PR rtl-optimization/23233
3688 * loop.c (combine_movables): Require the modes to be the same.
3689 (move_movables): Remove handling of cases where the replacement
3690 had a different mode to the original.
3692 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
3694 PR tree-optimization/23128
3695 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
3696 subtraction wrap, and set TREE_OVERFLOW if they do.
3698 2005-08-05 Richard Henderson <rth@redhat.com>
3701 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
3702 FORCED_LABEL labels.
3704 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
3707 * reload.c (find_reloads_subreg_address): Pass down TYPE
3708 unchanged. Change all callers except find_reloads_toplev.
3710 2005-08-05 Michael Matz <matz@suse.de>
3712 * genattrtab.c (current_alternative_string): Remove.
3713 (SIMPLIFY_ALTERNATIVE): Ditto.
3714 (attr_alt_bit_p): Ditto.
3715 (alternative_name): Make const char *.
3716 (evaluate_eq_attr): Remove use of above things.
3717 (simplify_test_exp): Ditto.
3718 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
3719 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
3721 2005-08-04 James E Wilson <wilson@specifix.com>
3723 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
3724 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
3725 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
3726 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
3727 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
3729 2005-08-04 Richard Henderson <rth@redhat.com>
3732 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
3733 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
3734 * tree-sra.c (decide_block_copy): Use it. Disable element copy
3735 if we'd have to instantiate too many members.
3737 2005-08-04 Richard Henderson <rth@redhat.com>
3740 * tree-outof-ssa.c (coalesce_asm_operands): New.
3741 (coalesce_ssa_name): Use it. Split out ...
3742 (coalesce_phi_operands, coalesce_result_decls): ... these.
3744 2005-08-04 Paul Brook <paul@codesourcery.com>
3746 * read-rtl.c (read_quoted_string): Break if EOF.
3748 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
3750 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
3751 (fold_build2): Likewise.
3752 (fold_build3): Likewise.
3753 (fold_build1_stat): New function prototype.
3754 (fold_build2_stat): Likewise.
3755 (fold_build3_stat): Likewise.
3756 * fold-const.c (fold_build1): Rename to ..
3757 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3758 through to build1_stat.
3759 (fold_build2): Rename to ..
3760 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3761 through to build2_stat.
3762 (fold_build3): Rename to ..
3763 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3764 through to build3_stat.
3766 2005-08-04 David Edelsohn <edelsohn@gnu.org>
3767 Ian Lance Taylor <ian@airs.com>
3769 * function.c (assign_stack_local_1): Do not correct stack slot
3770 address if allocation size is smaller than mode size.
3772 2005-08-04 Diego Novillo <dnovillo@redhat.com>
3775 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
3776 (tree_merge_blocks): Propagate anything allowed by
3778 Clarify documentation.
3779 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
3780 SSA form, schedule an update if necessary.
3782 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
3784 * doc/install.texi (Binaries): Remove broken link to
3785 Sinix/Reliant Unix binaries.
3787 2005-08-03 Richard Henderson <rth@redhat.com>
3790 * function.c (stack_protect_epilogue): Export.
3791 * tree.h (stack_protect_epilogue): Declare.
3792 * calls.c (expand_call): Call it.
3794 2005-08-03 Eric Christopher <echristo@apple.com>
3796 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
3797 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
3800 2005-08-04 Jan Hubicka <jh@suse.cz>
3802 * profile.c (branch_prob): Split edges with goto locus on them
3803 to get proper line counts.
3804 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
3806 2005-08-03 Paul Brook <paul@codesourcery.com>
3808 * function.c (assign_parms): Round current_function_args_size
3809 to PARM_BOUNDARY, not STACK_BOUNDARY.
3811 2005-08-03 Geoffrey Keating <geoffk@apple.com>
3813 * config/i386/i386.c (x86_elf_aligned_common)
3814 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
3816 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
3818 PR tree-optimization/23157
3819 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
3820 before emitting them.
3822 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3824 PR tree-optimization/19899
3825 * Makefile.in (tree-scalar-evolution.o): Add real.h.
3826 * tree-scalar-evolution.c: Include real.h.
3827 (add_to_evolution): Build constant -1 of correct type.
3829 2005-08-03 Jan Hubicka <jh@suse.cz>
3831 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
3832 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
3833 profile updating for complette unrolling.
3834 * loop-unroll.c (peel_loop_completely): Use it.
3835 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
3836 (tree_unroll_loops_completely): Disable code growing unrolling of cold
3839 2005-08-03 Paul Brook <paul@codesourcery.com>
3841 * combine.c (can_change_dest_mode): New function.
3842 (try_combine, simplify_set): Use it.
3844 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
3846 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
3849 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
3851 * doc/install.texi (Specific): Adjust link to openavr.org.
3852 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
3853 (Binaries): Adjust HP-UX Porting Center link.
3854 (Binaries): Adjust Free Software Foundation ordering link.
3856 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
3858 * convert.c (convert_to_integer): Use fold_build1 instead of
3859 build1 when converting an integer to an integer.
3861 2005-08-02 Richard Henderson <rth@redhat.com>
3863 * combine.c (combine_instructions): Don't use reg_equal/equiv
3864 results if the mode doesn't match.
3866 2005-08-02 Mark Mitchell <mark@codesourcery.com>
3868 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
3869 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
3871 2005-08-02 Richard Henderson <rth@redhat.com>
3874 * explow.c (memory_address): Remove special-case for
3875 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
3877 2005-08-02 Diego Novillo <dnovillo@redhat.com>
3880 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
3881 number of calls to cleanup_tree_cfg_1.
3883 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
3885 * doc/invoke.texi: document file extensions .F90 and .F95
3887 2005-08-02 Richard Guenther <rguenther@suse.de>
3889 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
3890 positive if its first argument is positive.
3892 2005-08-02 Richard Guenther <rguenther@suse.de>
3894 PR tree-optimization/23177
3895 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
3898 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
3900 PR tree-optimization/23129
3901 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
3902 varying for divisions with anti-ranges.
3904 2005-08-02 Jan Hubicka <jh@suse.cz>
3906 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
3907 * tree-ssa-threadupdate.c (thread_block): Add it here.
3909 2005-08-01 James E Wilson <wilson@specifix.com>
3911 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
3912 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
3913 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
3915 * config/mips/predicates.md (const_call_insn_operand): Add check for
3916 SYMBOL_REF_LONG_CALL_P.
3917 * doc/extend.texi (long_call): Document the new attribute.
3919 2005-08-01 Ian Lance Taylor <ian@airs.com>
3920 Richard Henderson <rth@redhat.com>
3922 * Makefile.in (RTL_BASE_H): Add real.h.
3923 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
3925 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
3927 * rtl.c (rtl_check_failed_code_mode): New.
3928 * rtl.h (struct rtx_def): Add u.rv.
3929 (XCMWINT, XCNMPRV): New.
3930 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
3931 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
3933 2005-08-01 Richard Henderson <rth@redhat.com>
3935 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
3936 with auto-inc codes.
3938 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
3940 2005-08-01 Jan Hubicka <jh@suse.cz>
3942 * i386-protos.h (asm_preferred_eh_data_format): Declare.
3943 * i386.c: Include dwarf2.h
3944 (asm_preferred_eh_data_format): New.
3945 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
3947 2005-08-01 Ian Lance Taylor <ian@airs.com>
3949 * config/host-linux.c (linux_gt_pch_get_address): Add new name
3950 randomize_va_space for virtual address randomization control.
3952 2005-08-01 Steven Bosscher <stevenb@suse.de>
3954 * common.opt (flag_ipa_cp): Put in right place to maintain
3957 2005-08-01 Jan Hubicka <jh@suse.cz>
3959 * profile.c (compute_value_histograms): Fix thinko.
3960 * value-prof.c: Include toplev.h
3961 (check_counter): New function.
3962 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
3963 tree_mod_subtract_transform): Add sanity check.
3965 2005-08-01 Richard Guenther <rguenther@suse.de>
3967 PR tree-optimization/23133
3968 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
3969 current functions parameter decls to find defs to cse
3972 2005-08-01 Richard Guenther <rguenther@suse.de>
3974 PR tree-optimization/23109
3975 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
3976 If trapping math is in effect, use post-dominator information
3977 to check if we'd in any case reach a trapping point before
3978 doing the reciprocal insertion.
3979 (execute_cse_reciprocals): Compute post-dominators, if necessary.
3980 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
3981 expressions are invariant only if trapping math is not in effect.
3983 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
3985 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
3986 cgraph_function_versioning): New declarations.
3987 * cgraphunit.c: Add include to ipa-prop.h.
3988 (update_call_expr, cgraph_copy_node_for_versioning,
3989 cgraph_function_versioning): New functions.
3990 * integrate.c (copy_decl_for_inlining): Remove.
3991 * ipa-prop.h (ipa_replace_map): New struct.
3992 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
3993 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
3994 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
3995 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
3996 ipcp_iterate_stage, ipcp_method_scale_print,
3997 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
3998 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
3999 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
4000 ipcp_update_bb_counts, ipcp_update_profiling,
4001 ipcp_update_edges_counts): New functions.
4002 (ipcp_method_cval_init): Remove restriction regarding local methods.
4003 (ipcp_init_stage): Add ipcp_method_compute_scale.
4004 (ipcp_insert_stage): Add versioning.
4005 (ipcp_structures_print): Add ipcp_method_scale_print.
4006 (ipcp_driver): Dump profiling info.
4007 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
4008 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
4009 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
4010 (struct inline_data): Add versioning_p, ipa_info, new fields.
4011 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
4012 declare_return_variable): Replace calls to copy_decl_for_inlining with
4014 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
4016 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
4017 Add argument VERSIONING.
4018 (copy_arguments_for_versioning, copy_static_chain,
4019 function_versionable_p, tree_versionable_function_p,
4020 tree_function_versioning, replace_ref_tree): New functions.
4021 * tree-inline.h: Include varray.h.
4022 (tree_versionable_function_p, tree_function_versioning,
4023 tree copy_decl_for_dup): New declarations.
4025 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
4027 * ipa-cp.c: New file. Contains IPCP specific functionality.
4028 * ipa-prop.h: New file. Contains structures/definitions that can be
4029 used by several interprocedural data flow optimizations (and also IPCP).
4030 * ipa-prop.c: New file.
4031 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
4032 * common.opt: Add ipa-cp flag.
4033 * timevar.def: Add IPCP optimization.
4034 * tree-optimize.c (init_tree_optimization_passes): Schedule
4036 * tree-pass.h (pass_ipa_cp): Declare.
4038 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
4040 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
4041 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
4042 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
4043 config/i386/i386.c, config/mips/mips.h,
4044 config/rs6000/rs6000.h, config/sh/sh.c,
4045 config/stormy16/stormy16.c: Fix comment typos.
4047 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
4050 * c-typeck.c (build_binary_op): Use common_type wrapper on
4052 (common_type): Update comment.
4054 2005-07-31 Steven Bosscher <stevenb@suse.de>
4057 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
4058 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
4059 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
4061 2005-07-31 Jan Hubicka <jh@suse.cz>
4063 * pretty-print.h (pp_widest_integer): New macro.
4064 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
4067 2005-07-31 Jan Hubicka <jh@suse.cz>
4069 * output.h (enum section_category): Export from varasm.c
4070 (categorize_decl_for_section): Likewise.
4071 * varasm.c (enum section_category): Kill.
4072 (categorize_decl_for_section): Make global.
4073 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
4075 * i386.c (ix86_section_threshold): New static variable.
4076 (ix86_in_large_data_p, ix86_encode_section_info,
4077 x86_64_elf_unique_section,
4078 x86_64_elf_select_section): New functions.
4079 (TARGET_ENCODE_SECTION_INFO): Define
4080 (override_options): Enable medium model for PIC.
4081 (ix86_expand_prologue): Expand gen_set_got_rex64.
4082 (legitimate_constant_p): Handle new UNSPECs.
4083 (legitimate_pic_address_disp_p): Likewise.
4084 (legitimize_pic_address): Lower MEDIUM model addressing.
4085 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
4086 (enum cmodel): Add MEDIUM_PIC.
4087 (SYMBOL_REF_FAR_ADDR_P): New macro.
4088 (SYMBOL_FLAG_FAR_ADDR): New flag.
4089 * i386.md (movdi): Support medium model.
4090 (set_got_rex64): New pattern.
4091 * i386.opt (mlarge-data-threshold): New flag.
4092 * predicates.md (zext_operand/sext_operand): Deal with medium model.
4093 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
4094 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
4095 TARGET_ASM_UNIQUE_SECTION): New.
4097 * invoke.texi (-mlarge_data_threshold): Document
4099 2005-07-31 Jan Hubicka <jh@suse.cz>
4101 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
4102 (coalesce_vars): Likewise.
4103 * tree-ssa-live.c (coalesce_cost): New.
4104 (build_tree_conflict_graph): Use coalesce_cost.
4105 * tree-ssa-live.h (coalesce_cost): Declare.
4107 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
4109 * arm.md (all peepholes for post-increment operations): Delete.
4110 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
4111 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
4112 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
4113 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
4114 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
4116 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
4118 * fold-const.c (tree_expr_nonnegative_p): Always return true for
4121 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
4124 * doc/invoke.texi: Document -rdynamic.
4126 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
4129 * c-parser.c (c_parser_parms_list_declarator): Call
4130 mark_forward_parm_decls.
4131 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
4132 decls with visibility structure.
4134 2005-07-30 Paul Brook <paul@codesourcery.com>
4136 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
4138 2005-07-30 Paul Brook <paul@codesourcery.com>
4140 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
4142 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
4144 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
4146 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4149 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
4150 nested function declarators.
4151 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
4152 (grokparms): Call warn_if_shadowing for parameters used within the
4154 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
4155 not used within the parameter list.
4156 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
4158 2005-07-30 Jan Hubicka <jh@suse.cz>
4160 * expr.c (expand_expr_real_1): Do not load mem targets into register.
4161 * i386.c (ix86_fixup_binary_operands): Likewise.
4162 (ix86_expand_unary_operator): Likewise.
4163 (ix86_expand_fp_absneg_operator): Likewise.
4164 * optabs.c (expand_vec_cond_expr): Validate dest.
4166 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4169 * real.c (real_from_string): Also set last bit if there is a
4170 nonzero hex digit beyond GCC's internal precision after ".".
4172 2005-07-29 David Edelsohn <edelsohn@gnu.org>
4174 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
4175 define_constants. Change duplicate values to unassigned numbers.
4176 Change UNSPEC_SUBS to UNSPEC_VSUBS.
4177 (*altivec_vspltsf): New.
4178 (altivec_vperm_v4sf): Delete.
4179 (altivec_vperm_<mode>): Use mode macro V.
4180 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
4181 (altivec_predicate_v4sf): Delete.
4182 (altivec_predicate_<mode>): Use mode macro V.
4183 (*altivec_lvesfx): New.
4184 (*altivec_stvesfx): New.
4185 (vec_realign_load_v4sf): Delete.
4186 (vec_realign_load_<mode>): Use mode macro V.
4187 * config/rs6000/rs6000.c (generate_set_vrsave): Use
4190 2005-07-29 Mark Mitchell <mark@codesourcery.com>
4193 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
4195 * configure: Regenerated.
4197 2005-07-29 Paul Brook <paul@codesourcery.com>
4199 * doc/install.texi: Add link to GFortran binaries wiki page.
4201 2005-07-29 David Ung <davidu@mips.com>
4203 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
4204 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
4205 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
4206 * config/mips/mips.md (cpu): Add 5kf name.
4207 (includes): Includes 5k.md.
4208 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
4209 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
4212 2005-07-29 Diego Novillo <dnovillo@redhat.com>
4215 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
4216 (cleanup_tree_cfg): ... here.
4217 Call cleanup_tree_cfg_1 until there are no more cleanups to
4220 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
4222 * tree-vrp.c (compare_range_with_value): Return true or false
4223 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
4224 EQ_EXPR respectively.
4226 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
4228 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
4231 2005-07-29 Diego Novillo <dnovillo@redhat.com>
4233 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
4234 (tree_ssa_dominator_optimize): Increment it.
4235 (dump_dominator_optimization_stats): Print it.
4237 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
4238 Steven Bosscher <stevenb@suse.de>
4240 PR rtl-optimization/23117
4241 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
4242 when head == tail. Tidy comment.
4244 2005-07-28 Richard Henderson <rth@redhat.com>
4246 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
4247 * cselib.c (rtx_equal_for_cselib_p): Likewise.
4248 * jump.c (rtx_renumbered_equal_p): Likewise.
4249 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
4250 CONST_INT and CONST_DOUBLE.
4251 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
4252 * reload.c (operands_match_p): Special case CONST_INT and
4253 CONST_DOUBLE; check mode earlier.
4255 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4258 * c-typeck.c (convert_for_assignment): Do not check
4259 DECL_IN_SYSTEM_HEADER on NULL fundecl.
4261 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4264 * c-typeck.c (composite_type): Prefer constant size arrays to
4267 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4270 * real.c (real_from_string): Set last bit if there is a nonzero
4271 hex digit beyond GCC's internal precision.
4273 2005-07-28 Richard Henderson <rth@redhat.com>
4276 * cfgcleanup.c (try_forward_edges): Watch out for end of
4279 2005-07-28 James E Wilson <wilson@specifixinc.com>
4282 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
4284 2005-07-28 Jan Hubicka <jh@suse.cz>
4286 * Makefile.in (rtl-profile.o): Kill all traces of it.
4287 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
4288 * coverage.h (rtl_coverage_counter_ref): Kill.
4289 * opts.c (flag_speculative_prefetching_set): Kill.
4290 (flag_loop_optimize_set): New.
4291 (common_handle_option): Disable loop optimizer when profiling;
4292 do not handle speculative prefetching.
4293 * passes.c (init_optimization_passes): Replace pass_profiling combo
4294 by branch_prob pass.
4295 * profile.c (compute_value_histograms): Update for simplified value
4297 (rtl_register_profile_hooks): Kill.
4298 (pass_profiling): Kill.
4299 (rest_of_handle_branch_prob): Do not profile.
4300 * toplev.c (process_options): Remove speculative prefetching.
4301 * toplev.h (flag_tree_based_profiling): Kill.
4302 * tree-profile.c (prepare_instrumented_value,
4303 tree_gen_interval_profiler, tree_gen_pow2_profiler,
4304 tree_gen_one_value_profiler, do_tree_profiling): Update for
4305 simplified datastructures.
4306 * value-prof.c: Add comment that speculative prefetching was dropped;
4307 update rest of file for simplified datastructures.
4308 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
4309 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
4310 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
4311 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
4312 rtl_mod_subtract, gen_speculative_prefetch,
4313 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
4314 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
4315 (gate_handle_value_profile_transformations,
4316 rest_of_handle_value_profile_transformations,
4317 pass_value_profile_transformations): Kill.
4318 * value-prof.h (histogram_value_t): Remove IL based unions.
4319 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
4320 rtl_profile_hooks): Remove hooks.
4322 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
4324 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
4325 (cgraph_clone_node): Likewise.
4326 * cgraph.h (cgraph_clone_edge): Update prototype.
4327 (cgraph_clone_node): Likewise.
4328 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
4330 (lookup_recursive_calls): Consider profile.
4331 (cgraph_decide_recursive_inlining): Fix updating; use new
4332 probability argument; use profile.
4333 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
4334 * tree-inline.c (copy_bb): Update clal of clone_edge.
4335 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
4337 * invoke.texi (min-inline-recursive-probability): Document.
4339 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
4341 * doc/install.texi (Configuration): Update Valgrind homepage.
4343 2005-07-28 Richard Henderson <rth@redhat.com>
4346 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
4347 labels we want to delete.
4348 (cfg_layout_merge_blocks): Likewise.
4350 2005-07-28 Richard Henderson <rth@redhat.com>
4353 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
4354 when expanding to nothing.
4356 2005-07-28 Josh Conner <jconner@apple.com>
4358 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
4359 (cgraph_decide_inlining_of_small_functions): Likewise.
4361 2005-07-28 Josh Conner <jconner@apple.com>
4363 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
4364 direction of badness if negative.
4365 (cgraph_default_inline_p): Add reason to parameters, and assign it
4367 (cgraph_decide_inlining_of_small_functions): New parameter in call
4368 to cgraph_default_inline_p.
4369 (cgraph_decide_inlining_incrementally): Likewise.
4370 * cgraphunit.c (decide_is_function_needed): Likewise.
4371 * cgraph.h (cgraph_default_inline_p): Likewise.
4373 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4375 * builtins.c: Fix comment typo(s).
4376 * genautomata.c: Likewise.
4377 * gimplify.c: Likewise.
4378 * tree-dfa.c: Likewise.
4379 * tree-flow-inline.h: Likewise.
4380 * tree-into-ssa.c: Likewise.
4381 * tree-ssa-alias.c: Likewise.
4382 * tree-ssa-ccp.c: Likewise.
4383 * tree-ssa-copy.c: Likewise.
4384 * tree-ssa-dce.c: Likewise.
4385 * tree-ssa-dom.c: Likewise.
4386 * tree-ssa-operands.c: Likewise.
4387 * tree-tailcall.c: Likewise.
4388 * tree-vectorizer.c: Likewise.
4389 * tree-vrp.c: Likewise.
4392 2005-07-28 Jeff Law <law@redhat.com>
4394 * tree-vrp.c (test_for_singularity): Extracted from ...
4395 (simplify_cond_using_ranges): Attempt to simplify a relational
4396 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
4398 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
4400 PR tree-optimization/22506
4401 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
4402 phis whose argument is constant.
4404 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
4406 PR rtl-optimization/18992
4407 Back out this patch:
4408 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4409 PR optimization/12142
4410 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
4411 uses of the register in the SET_SRC. Remove unnecessary argument.
4413 Replace it with this:
4414 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
4415 if flag_non_call_exceptions is set and the insn may trap, pass
4416 pc_rtx as dest for recursion.
4417 In SET_SRC part of SET case, if dest is already set, pass it down
4420 2005-07-28 Jan Hubicka <jh@suse.cz>
4422 * cfg.c (update_bb_profile_for_threading): Use RDIV.
4423 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
4424 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
4426 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
4427 profile when available.
4429 2005-07-28 Jan Beulich <jbeulich@novell.com>
4431 * config/ia64/ia64.c (ia64_load_pair_ok): New.
4432 (ia64_print_operand): Describe and handle 'X'.
4433 (ia64_register_move_cost): Also handle FP_REGS.
4434 (ia64_preferred_reload_class): Likewise.
4435 (ia64_secondary_reload_class): Likewise.
4436 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
4437 it. Also check for ITANIUM_CLASS_FLDP.
4438 * config/ia64/ia64.h (FP_REGNO_P): New.
4439 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
4440 (reg_class): Add FP_REGS.
4441 (REG_CLASS_NAMES): Adjust for it.
4442 (REG_CLASS_CONTENTS): Likewise.
4443 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
4444 (REG_CLASS_FROM_LETTER): Handle 'x'.
4445 (CLASS_MAX_NREGS): Handle FP_REGS.
4446 (MEMORY_MOVE_COST): Likewise.
4447 * config/ia64/ia64.md (itanium_class): Add fldp.
4448 (type): Handle fldp.
4449 (movti_internal): More allowable operand combinations. Use ldfp8 when
4450 splitting unnecessary. Remove predicable attribute. Adjust
4451 itanium_class attribute.
4452 (smuldi3_highpart): Remove outdated comment.
4453 (mulditi3, umulditi3, rotlti3): New expanders.
4454 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
4455 (absti2): Disabled new insn for future reference.
4456 Respective new splitters.
4457 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
4458 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
4459 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
4461 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
4463 PR rtl-optimization/23047
4464 * simplify-rtx.c (simplify_const_relational_operation): Respect
4465 flag_wrapv for comparisons with ABS.
4467 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
4469 PR tree-optimization/22493
4470 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
4471 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
4473 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
4475 * config/frv/frv.opt (moptimize-membar): New.
4477 * doc/invoke.texi: Document -moptimize-membar and its inverse.
4479 * config/frv/frv.h: Remove machine_function definition.
4481 * config/frv/frv.c (struct frv_io): New.
4482 (struct machine_function): Moved from frv.h. Add has_membar_p.
4483 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
4484 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
4485 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
4486 (frv_optimize_membar_global, frv_optimize_membar): New functions.
4487 (frv_reorg): Call frv_optimize_membar when appropriate.
4488 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
4489 (frv_expand_builtin): Adjust calls accordingly.
4490 (frv_io_address_cookie): New function.
4491 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
4492 load or store rather than a special insn. Add ccnstant address and
4493 io-type operands to the membar.
4494 (frv_ifcvt_modify_tests): Unsign regno.
4495 (frv_ifcvt_modify_tests): Same.
4497 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
4498 UNSPEC_OPTIONAL_MEMBAR constant.
4499 (builtin_read_<mode>): Delete.
4500 (builtin_write_<mode>): Delete.
4501 ("optional_membar_<mode>"): Add operand.
4503 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
4504 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
4505 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
4506 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
4507 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
4508 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
4509 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
4510 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
4511 * testsuite/gcc.target/frv/all-read-write-1.c: New.
4513 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
4515 * df.c (df_uses_record): Handle SCRATCH.
4517 2005-07-28 Steven Bosscher <stevenb@suse.de>
4520 * passes.c (rest_of_decl_compilation): If decl is a type and
4521 we have encountered errors, don't emit debug information.
4523 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4525 * params.def: Fixed comment.
4527 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
4530 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
4531 (TARGET_ASM_UNALIGNED_HI_OP): Add.
4532 (TARGET_ASM_UNALIGNED_SI_OP): Add.
4534 2005-07-27 Steven Bosscher <stevenb@suse.de>
4537 * varasm.c (assemble_start_function): Don't do anything that may
4538 require a CFG if the current function is a thunk.
4540 2005-07-25 Geoffrey Keating <geoffk@apple.com>
4542 * doc/install.texi (Prerequisites): Mention that perl is needed
4543 to do export control in libstdc++ targetting Darwin.
4545 2005-07-27 Steven Bosscher <stevenb@suse.de>
4547 PR rtl-optimization/17808
4548 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
4549 (sched_insns_conditions_mutex_p): Split out from...
4550 (add_dependence): ...here. But don't call it from here.
4551 (add_dependence_list): Check sched_insns_conditions_mutex_p
4552 before calling add_dependence.
4553 (add_dependence_list_and_free): Likewise.
4554 (fixup_sched_groups): Likewise.
4555 (sched_analyze_1): Likewise.
4556 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
4557 (sched_analyze): Likewise.
4558 (sched_analyze_insn): Likewise.
4559 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
4560 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
4561 dependencies on all COND_EXEC insns to jumps ending basic blocks
4562 when doing intrablock scheduling.
4563 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
4565 2005-07-27 Jeff Law <law@redhat.com>
4567 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
4568 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
4569 equivalency sets, correctly handle the case were vr0 has an
4570 equivalency set, but vr1 does not.
4572 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
4574 PR tree-optimization/23073
4575 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4576 vect_print_dump_info before fprintf.
4578 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4580 PR tree-optimize/22348
4581 * tree-ssa-loop-niter.c (number_of_iterations_cond):
4582 Fold the partial computation.
4584 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4586 PR tree-optimization/22325
4587 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4589 * tree-scalar-evolution.c (scev_const_prop): Add generic final
4591 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4592 (force_var_cost): ... this function.
4593 (compute_phi_arg_on_exit): Export.
4595 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4597 PR tree-optimization/20773
4598 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4601 2005-07-27 Richard Guenther <rguenther@suse.de>
4603 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4604 Avoid pushing again if current struct contains only
4605 fields we decomposed.
4607 2005-07-27 Jan Hubicka <jh@suse.cz>
4609 PR tree-optimization/22574
4610 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4613 * tree-tailcall.c (decrease_profile): New function.
4614 (eliminate_tail_call): Use it.
4616 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4617 visibility flags correctly in whole program mode.
4619 2005-07-26 Steve Ellcey <sje@cup.hp.com>
4621 PR rtl-optimization/22472
4622 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4624 2005-07-26 Steven Bosscher <stevenb@suse.de>
4626 PR tree-optimization/22504
4627 * tree-complex.c (expand_complex_addition): Use 'code' instead
4628 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
4630 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4632 * config.gcc (cpu_type): Add frv case.
4633 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
4634 (supported_defaults): Add fr550 case.
4636 2005-07-26 Diego Novillo <dnovillo@redhat.com>
4639 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
4640 whether a pointer of type T * may point to objects of type T *.
4642 2005-07-26 DJ Delorie <dj@redhat.com>
4644 * configure: Regenerate.
4646 2005-07-26 Dale Johannesen <dalej@apple.com>
4648 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
4650 2005-07-26 Mark Mitchell <mark@codesourcery.com>
4652 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
4653 Clarify use of "build" in name.
4655 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4657 * doc/extend.texi (Raw read/write Functions): New section.
4658 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
4659 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
4660 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
4661 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
4662 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
4663 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
4664 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
4665 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
4666 * config/frv/frv.c: Add bdesc_loads global.
4667 Add bdesc_stores global.
4668 (frv_init_builtins): Add support for __builtin_{read/write}*.
4669 (frv_volatile_memref): New.
4670 (frv_expand_load_builtin): New.
4671 (frv_expand_store_builtin): New.
4672 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
4673 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
4674 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
4675 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
4676 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
4677 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
4678 (builtin_read_<mode>): New.
4679 (builtin_write_<mode>): New.
4680 (builtin_write64): New.
4681 (optional_membar_<mode>): New.
4683 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
4685 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
4686 (rather than units) against HOST_BITS_PER_WIDE_INT.
4688 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
4690 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
4691 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
4692 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
4693 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
4696 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
4697 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
4698 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
4700 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
4702 2005-07-26 Richard Guenther <rguenther@suse.de>
4704 PR tree-optimization/22486
4705 * fold-const.c (fold_unary): Fold away useless component
4706 references of the form (T *)&T.x, if the address
4709 2005-07-25 James E Wilson <wilson@specifixinc.com>
4711 * dwarf2out.c (add_call_src_coords_attributes): New.
4712 (gen_inlined_subroutine_die): Call it.
4713 (maybe_emit_file, init_file_table): Add comments.
4714 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
4716 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
4717 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
4718 * tree.h (BLOCK_SOURCE_LOCATION): New.
4719 (struct tree_block): New field locus.
4721 2005-07-26 Andreas Schwab <schwab@suse.de>
4723 PR rtl-optimization/23043
4724 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
4725 when allocating a struct unoccr.
4727 2005-07-25 Richard Henderson <rth@redhat.com>
4730 * tree-complex.c (gate_no_optimization): True if errors.
4731 * Makefile.in (tree-complex.o): Update dependencies.
4733 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
4735 * config/frv/predicates.md (integer_register_operand): Use
4738 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4741 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
4743 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
4745 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4747 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
4748 types when flag_unsafe_math_optimizations is true.
4750 2005-07-25 Mark Mitchell <mark@codesourcery.com>
4752 * gcc.c (option_map): Add --sysroot.
4753 (process_command): Handle --sysroot.
4754 (display_help): Document it.
4755 * doc/cppopts.tex (-isysroot): Document.
4756 * doc/invoke.texi (--sysroot): Document.
4757 * doc/install.texi (--with-build-sysroot): Document.
4759 * Makefile.in (inhibit_libc): New variable.
4760 (INHIBIT_LIBC_CFLAGS): Likewise.
4761 (LIBGCC2_CFLAGS): Include
4762 $(INHIBIT_LIBC_CFLAGS).
4763 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
4764 ($(T)crtbegin.o): Do not use @inhibit_libc@.
4765 ($(T)crtend.o): Likewise.
4766 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
4767 ($(T)crtendS.o): Likewise.
4768 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
4769 ($(T)crtendT.o): Likewise.
4770 (stmp-fixinc): Do not complain about missing headers if
4772 * configure.ac (inhibit_libc): Set it to true/false.
4773 (--with-build-sysroot): New option. Use it to set
4775 * configure: Regenerated.
4777 2005-07-25 Manfred Hollstein <mh@suse.com>
4779 * calls.c (store_one_arg): Fix unsigned comparison warning.
4781 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4784 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
4785 (ggc_print_statistics): Initialize variable before use.
4787 2005-07-25 Richard Guenther <rguenther@suse.de>
4789 * tree-dfa.c (mark_new_vars_to_rename): Protect against
4790 calling with a PHI_NODE argument.
4792 * tree-flow-inline.h (overlap_subvar): Protect against
4795 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
4797 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
4798 * configure: Regenerate.
4800 2005-07-25 Ira Rosen <irar@il.ibm.com>
4802 * expr.c (highest_pow2_factor): Make extern.
4803 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
4804 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
4805 record_array_differ_p, array_ptr_differ_p): Likewise.
4806 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
4807 additional cases. Call the above functions.
4808 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
4809 base_object_differ_p when there are two base objects. Otherwise, compare
4810 base address and offset. Call may_alias_p.
4811 (dump_data_reference): Use a correct field name.
4812 (analyze_array): Make static. Initialize new data-ref fields.
4813 (analyze_indirect_ref): New function.
4814 (init_data_ref): Initialize new data-ref fields.
4815 (strip_conversion): Moved from tree-vect-analyze.c.
4816 (analyze_offset_expr, get_ptr_offset, address_analysis,
4817 object_analysis): Likewise.
4818 (analyze_offset): New function.
4819 (create_data_ref): Likewise.
4820 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
4821 dimensions for ARRAY_REFs only.
4822 (build_classic_dist_vector): Make static.
4823 (access_functions_are_affine_or_constant_p): Call macro to get the
4824 address of access functions.
4825 (compute_all_dependences): Add new parameter
4826 compute_self_and_read_read_dependences. Compute self and read-read
4827 dependences if it is true.
4828 (find_data_references_in_loop): Call create_data_ref. Initialize new
4830 (compute_data_dependences_for_loop): Add new parameter
4831 compute_self_and_read_read_dependences. Remove parameter nb_loops,
4832 compute nb_loops. Call compute_all_dependences,
4833 build_classic_dist_vector and build_classic_dir_vector with correct
4835 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
4836 with correct parameters. Compare dimensions for ARRAY_REFs only.
4837 (free_data_refs): Call macro to free access functions.
4838 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
4839 fields from stmt_vinfo.
4840 (struct base_object_info): New structure.
4841 (struct data_reference): Move fields to base_object_info. Add fields
4842 first_location and object_info for above structures. Move fields from
4843 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
4844 aligned_to. Add macros to access the new fields.
4845 Update functions declarations.
4846 * tree-flow.h (is_aliased_with): Declare.
4847 * tree-loop-linear.c (linear_transform_loops): Call
4848 compute_data_dependences_for_loop with correct parameters.
4849 * tree-ssa-alias.c (is_aliased_with): New function.
4850 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
4851 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
4852 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
4853 vect_base_addr_differ_p, compute_subscript_distance and
4854 build_classic_dist_vector. Add printings. Check absolute value of
4856 (vect_analyze_data_ref_dependences): Go through ddrs instead of
4858 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
4859 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
4860 to bytes. Add printing.
4861 (vect_compute_data_refs_alignment): Go through loads and stores in one
4863 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
4864 vect_analyze_data_ref_access): Likewise.
4865 (vect_analyze_pointer_ref_access): Remove.
4866 (vect_address_analysis, vect_object_analysis): Likewise.
4867 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
4868 and analyze data-refs in the loop.
4869 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
4870 fields of data-ref instead of stmt. Add init to the offset from the
4872 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
4873 (vect_update_init_of_dr): Likewise.
4874 (vect_update_inits_of_drs): Go through loads and stores in one loop.
4875 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
4877 (new_loop_vec_info): Initialize new fields.
4878 (destroy_loop_vec_info): Free new fields.
4879 (vect_strip_conversion): Remove.
4880 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
4881 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
4882 datarefs. Add new field ddrs.
4883 Add macros for the new fields access.
4884 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
4885 base_aligned_p, misalignment, memtag, ptr_info and subvars.
4886 Remove their macros.
4887 * tree.h (highest_pow2_factor): Declare.
4889 2005-07-25 Jakub Jelinek <jakub@redhat.com>
4891 * calls.c (store_one_arg): Check for sibling call MEM arguments
4892 from already clobbered incoming argument area.
4894 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4896 * c-common.c (check_missing_format_attribute): New.
4897 * c-common.h (check_missing_format_attribute): Likewise.
4898 * c-typeck.c (convert_for_assignment): Use it.
4900 2005-07-24 Andreas Schwab <schwab@suse.de>
4902 * config/m68k/m68k.md ("extendqidi2"): When source is an address
4903 register use a word move. Correct operand of ext.w in 68000 code.
4905 2005-07-23 Mark Mitchell <mark@codesourcery.com>
4907 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
4908 variables as declarations, rather than definitions.
4910 2005-07-24 Ira Rosen <irar@il.ibm.com>
4912 PR tree-optimization/22526
4913 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
4916 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4918 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
4919 that C99 reserve for future use. Use it to define clog10,
4920 clog10f and clog10l.
4922 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4924 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
4925 * configure.ac: Check for -Wmissing-format-attribute.
4927 * configure: Regenerate.
4929 2005-07-23 Richard Henderson <rth@redhat.com>
4931 PR tree-optimization/22623
4932 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
4934 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
4937 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
4939 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4941 * Makefile.in (C_TREE_H): Update dependencies.
4942 * c-tree.h: Include toplev.h.
4943 * diagnostic.h (diagnostic_set_info): Add format attribute.
4944 * rtl-error.c (diagnostic_for_asm): Likewise.
4946 2005-07-23 Chao-ying Fu <fu@mips.com>
4948 * config/mips/mips-dsp.md: New file.
4949 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
4950 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
4952 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
4953 MIPS_BUILTIN_BPOSGE32.
4954 (mips_expand_builtin_direct): Add one parameter to indicate that
4955 builtin functions need to return a value.
4956 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
4958 (mips_regno_to_class): Add classes for 12 new DSP registers.
4959 (mips_subword): Change to check four HI registers.
4960 (mips_output_move): Output move to and from 6 new DSP accumulators.
4961 (override_options): Make sure -mdsp and -mips16 are not used together.
4962 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
4964 (mips_conditional_register_usage): Disable 6 new DSP accumulators
4966 (print_operand): Add 'q' for printing DSP accumulators.
4967 (mips_cannot_change_mode_class): Check ACC_REGS.
4968 (mips_secondary_reload_class): Check ACC_REGS.
4969 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
4970 (mips_register_move_cost): Check ACC_REGS.
4971 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
4972 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
4973 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
4974 (dsp_bdesc): New array.
4975 (bdesc_arrays): Add DSP builtin function table.
4976 (mips_prepare_builtin_arg): Check predicate again after
4978 (mips_expand_builtin): Add one more parameter to
4979 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
4980 MIPS_BUILTIN_BPOSGE32.
4981 (mips_init_builtins): Initialize new function types.
4982 (mips_expand_builtin_direct): Check if builtin functions need to
4983 return a value and pass operands properly.
4984 (mips_expand_builtin_bposge): New function.
4985 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
4986 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
4987 (FIRST_PSEUDO_REGISTER): Increase to 188.
4988 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4989 Update for 12 new DSP registers.
4990 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
4991 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
4992 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
4993 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
4994 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
4995 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
4996 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
4997 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
4998 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
4999 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
5000 (REGISTER_NAMES): Add names for 12 new DSP registers.
5001 * config/mips/mips.md: Include mips-dsp.md.
5002 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
5003 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
5004 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
5005 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
5006 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
5007 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
5008 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
5009 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
5010 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
5011 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
5012 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
5013 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
5014 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
5015 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
5016 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
5017 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
5018 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
5019 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
5020 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
5021 (UNSPEC_RDDSP): New constants.
5022 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
5023 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
5025 * config/mips/mips.opt (-mdsp): New option.
5026 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
5027 (reg_imm10_operand): New predicates.
5028 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
5029 * doc/invoke.texi (-mdsp): Document new option.
5031 2005-07-22 DJ Delorie <dj@redhat.com>
5033 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
5035 * tree-inline.c (inlinable_function_p): Likewise.
5037 2005-07-22 Mark Mitchell <mark@codesourcery.com>
5040 * toplev.c (check_global_declarations): Do not mark undefined
5041 variables as DECL_IGNORED_P.
5042 * varasm.c (first_global_object_name): GTY it.
5043 (weak_global_object_name): Likewise.
5044 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
5045 a string to go into {weak,first}_global_object_name.
5047 2005-07-22 DJ Delorie <dj@redhat.com>
5049 * c-format.c (check_function_format): Change warning control
5050 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
5052 2005-07-22 Diego Novillo <dnovillo@redhat.com>
5054 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
5055 &PTR->FLD a dereference of PTR.
5056 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
5057 a potential dereference of PTR.
5059 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
5061 PR rtl-optimization/20370
5062 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
5063 call allocate_reg_info if necessary.
5065 PR rtl-optimization/21848
5066 * calls.c (emit_library_call_value_1): For const functions, add
5067 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
5069 PR rtl-optimization/22445
5070 * cselib.c (target.h): Include.
5071 (rtx_equal_for_cselib_p): Allow commutative matches.
5072 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
5073 Remove MODE parameter. Changed all callers.
5075 PR rtl-optimization/22258
5076 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
5078 (try_combine): Use likely_spilled_retval_p.
5080 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
5082 * config.gcc: Add crx-elf support.
5084 * doc/contrib.texi: Mention crx.
5085 * doc/extend.texi: Document crx extensions.
5086 * doc/install.texi: Document crx install.
5087 * doc/invoke.texi: Document crx options.
5088 * doc/md.texi: Document crx constraints.
5090 * config/crx/crx-protos.h: New file.
5091 * config/crx/crx.c: New file.
5092 * config/crx/crx.h: New file.
5093 * config/crx/crx.md: New file.
5094 * config/crx/crx.opt: New file.
5095 * config/crx/t-crx: New file.
5097 2005-07-22 Manfred Hollstein <mh@suse.com>
5099 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
5101 (int_add_graph_edge): Likewise.
5102 (collapse_nodes): Likewise.
5103 (process_unification_queue): Likewise.
5105 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5106 Laurent GUERBY <laurent@guerby.net>
5108 PR tree-optimization/22336
5109 * function.c (record_block_change): Check for
5110 cfun->ib_boundaries_block.
5112 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
5114 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
5115 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
5117 2005-07-21 DJ Delorie <dj@redhat.com>
5119 * toplev.c (warn_deprecated_use): Add warning control to warning
5121 * c-typeck.c (parser_build_binary_op): Likewise.
5122 (c_finish_if_stmt): Likewise.
5123 * c-common.c (check_function_sentinel): Likewise.
5124 (check_nonnull_arg): Likewise.
5126 2005-07-21 Richard Henderson <rth@redhat.com>
5129 * tree-complex.c (complex_ssa_name_components): New.
5130 (cvc_lookup): Allow entry not found.
5131 (create_components): Remove.
5132 (create_one_component_var, get_component_var): New.
5133 (get_component_ssa_name, set_component_ssa_name): New.
5134 (extract_component): Use get_component_ssa_name.
5135 (update_complex_components): Use set_component_ssa_name.
5136 (update_complex_components_on_edge): Likewise.
5137 (update_phi_components): Create new PHI nodes directly, instead
5138 of adding insns to edges.
5139 (tree_lower_complex): Allocate and free complex_variable_components
5140 and complex_ssa_name_components here.
5142 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
5144 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
5145 revert to returning false.
5147 2005-07-21 Uros Bizjak <uros@kss-loka.si>
5150 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
5152 2005-07-21 Uros Bizjak <uros@kss-loka.si>
5155 * config/i386/i386.md (cmpxf): Change operand constraints
5156 to "nonmemory_operand".
5158 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5160 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
5162 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5165 * fold-const.c (fold_build1): Add checksum for the operands.
5166 (fold_build2): Likewise.
5167 (fold_build3): Likewise.
5169 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5172 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
5174 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5176 * common.opt (-fforward-propagate): Committed by mistake,
5179 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5181 * reg-stack.c: Fix comment typo(s).
5182 * tree-ssa-operands.c: Likewise.
5183 * tree-vectorizer: Likewise.
5185 2005-07-21 Nick Clifton <nickc@redhat.com>
5187 * config/sh/symbian.c: Replace C++ style line comments with C
5188 style line comments.
5189 (symbian_add_attribute): Do not use a ? operator on the LHS of
5191 (sh_symbian_handle_dll_attribute): Change the type of the
5192 method vector to "VEC(tree,gc)*" and use vector accessor
5193 macros to walk over the elements.
5194 (symbian_export_vtable_and_rtti_p): Likewise.
5195 (symbian_class_needs_attribute_p): Likewise.
5197 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5200 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
5201 initialize targetm.resolve_overloaded_builtin here.
5202 (altivec_expand_overloaded_builtin): Make it non-static.
5203 * config/rs6000/rs6000-protos.h
5204 (altivec_expand_overloaded_builtin): New prototype.
5205 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
5206 targetm.resolve_overloaded_builtin here.
5207 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
5209 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5210 Zdenek Dvorak <dvorakz@suse.cz>
5212 PR tree-optimization/19210
5213 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
5215 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
5216 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
5217 rely on unproven assumptions.
5218 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
5219 * tree-flow.h (number_of_iterations_exit): Add final parameter.
5220 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
5221 to number_of_iterations_exit.
5222 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
5223 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
5224 * tree-ssa-loop-niter.c (find_loop_niter,
5225 estimate_numbers_of_iterations_loop): Likewise.
5226 (number_of_iterations_exit): Honor the new options.
5227 * doc/invoke.texi (Wunsafe-loop-optimizations,
5228 funsafe-loop-optimizations): Document them.
5230 2005-07-21 Richard Sandiford <richard@codesourcery.com>
5232 PR rtl-optimization/22167
5233 * gcse.c (hoist_code): Fix hoist_exprs[] check.
5235 2005-07-20 Adam Nemet <anemet@lnxw.com>
5237 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
5238 __do_global_dtors_aux longcall.
5240 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
5242 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
5243 (old_special_pred_table): Don't reference
5244 SPECIAL_MODE_PREDICATES.
5245 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
5246 * config/arc/arc.h: Don't mention PREDICATE_CODES.
5247 * config/sh/predicates.h: Don't mention
5248 SPECIAL_MODE_PREDICATES.
5249 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
5252 2005-07-20 DJ Delorie <dj@redhat.com>
5254 * config.gcc: Add m32c-elf support.
5256 * doc/contrib.texi: Mention m32c.
5257 * doc/extend.texi: Document m32c extensions.
5258 * doc/install.texi: Mention m32c.
5259 * doc/invoke.texi: Document m32c options.
5260 * doc/md.texi: Document m32c constraints.
5262 * config/m32c/addsub.md: New file.
5263 * config/m32c/bitops.md: New file.
5264 * config/m32c/cond.md: New file.
5265 * config/m32c/jump.md: New file.
5266 * config/m32c/m32c-lib1.S: New file.
5267 * config/m32c/m32c-lib2.c: New file.
5268 * config/m32c/m32c-modes.def: New file.
5269 * config/m32c/m32c-pragma.c: New file.
5270 * config/m32c/m32c-protos.h: New file.
5271 * config/m32c/m32c.abi: New file.
5272 * config/m32c/m32c.c: New file.
5273 * config/m32c/m32c.h: New file.
5274 * config/m32c/m32c.md: New file.
5275 * config/m32c/m32c.opt: New file.
5276 * config/m32c/minmax.md: New file.
5277 * config/m32c/mov.md: New file.
5278 * config/m32c/muldiv.md: New file.
5279 * config/m32c/predicates.md: New file.
5280 * config/m32c/prologue.md: New file.
5281 * config/m32c/shift.md: New file.
5282 * config/m32c/t-m32c: New file.
5284 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5286 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5287 (stack_protect_set, stack_protect_test): New expanders.
5288 (stack_protect_set_si, stack_protect_set_si_media,
5289 stack_protect_set_di_media, stack_protect_test_si,
5290 stack_protect_test_si_media, stack_protect_test_di_media):
5293 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
5295 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
5297 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
5299 * tree.h (tree_expr_nonzero_p): Export.
5300 * fold-const.c (tree_expr_nonzero_p): Likewise.
5301 Return true for CALL_EXPRs that are alloca calls.
5302 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
5304 * tree-flow.h (expr_computes_nonzero): Remove.
5305 * tree-vrp.c (expr_computes_nonzero): Remove.
5306 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
5307 (extract_range_from_unary_expr): Likewise.
5308 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
5309 tree_expr_nonzero_p.
5311 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
5313 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
5314 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
5315 extra arg "picreg" and use it instead of pic_offset_table_rtx.
5316 All callers changed.
5317 (frame_related_constant_load): New arg "related" which controls
5318 setting of RTX_FRAME_RELATED_P. All callers changed.
5319 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
5320 (bfin_expand_prologue): Add stack limit checking.
5321 * config/bfin/bfin.md (trapifcc): New pattern.
5323 * config/bfin/bfin.c: Include "langhooks.h".
5324 (def_builtin): Go through lang_hooks to call builtin_function.
5326 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
5327 * config/bfin/predicates.md (symbol_ref_operand): New.
5328 (call_insn_operand): Delete. All callers changed to use
5329 register_no_elim_operand.
5330 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
5332 (function_arg): Use it to generate the call's operand 2.
5333 (bfin_longcall_p): New function.
5334 (bfin_expand_call): Extra arg "cookie". All callers and declaration
5335 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
5336 determine if the address needs to be in a REG.
5337 (bfin_handle_longcall_attribute): New function.
5338 (bfin_attribute_table): Add "longcall" and "shortcall".
5339 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
5340 (CUMULATIVE_ARGS): New member call_cookie.
5341 (PREDICATE_CODES): Add symbol_ref_operand.
5342 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
5343 extra USE to the pattern.
5344 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
5345 New patterns, split off call_insn, sibcall_insn, call_value_insn and
5346 sibcall_value_insn; now the new patterns handle direct calls and the
5347 old ones indirect calls.
5348 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
5350 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
5352 * doc/trouble.texi: Update section on handling of empty loops.
5354 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
5356 * config.gcc: Remove support for sparc-*-openbsd*,
5357 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
5359 * config.host: Remove support for i860-*-sysv4* as a host.
5360 * config/i860/*, config/ip2k/*, config/ns32k/*,
5361 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
5362 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
5363 mention obsolete ports.
5365 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5367 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
5369 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
5370 of frame_pointer_rtx.
5371 (sh_expand_epilogue): Likewise.
5372 (sh_set_return_address): Likewise.
5373 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
5374 instead of FRAME_POINTER_REGNUM if needed. Add elimination
5375 offsets from FRAME_POINTER_REGNUM.
5376 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
5377 (sh_register_names): Add initializer for sfp.
5378 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
5379 (VALID_REGISTER_P): Likewise.
5380 (FIRST_PSEUDO_REGISTER): Update.
5381 (DWARF_FRAME_REGISTERS): Define.
5382 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
5383 (HARD_FRAME_POINTER_REGNUM): Define.
5384 (FRAME_POINTER_REGNUM): Redefine.
5385 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
5386 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
5387 from FRAME_POINTER_REGNUM.
5388 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
5389 FRAME_POINTER_REGNUM.
5390 (REG_CLASS_CONTENTS): Add sfp.
5391 (REG_ALLOC_ORDER): Likewise.
5392 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
5393 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
5394 of frame_pointer_rtx.
5395 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
5397 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
5399 * fold-const.c (tree_expr_nonnegative_p): Only return true for
5400 ABS_EXPR when flag_wrapv is false because of INT_MIN.
5401 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
5403 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
5406 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
5408 Make CONSTRUCTOR use VEC to store initializers.
5409 * c-common.c (complete_array_type): Update to cope with VEC in
5411 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
5412 (pp_c_constructor_elts): New function.
5413 * c-pretty-print.h (pp_c_constructor_elts): Declare.
5414 * c-typeck.c (build_function_call, build_c_cast, digest_init,
5415 struct constructor_stack, struct initializer_stack,
5416 constructor_elements, push_init_level, pop_init_level,
5417 add_pending_init, find_init_member, output_init_element): Update to
5418 cope with VEC in CONSTRUCTOR_ELTS.
5419 * coverage.c (build_fn_info_value, build_ctr_info_value,
5420 build_gcov_info): Likewise.
5421 * expr.c (categorize_ctor_elements_1, store_constructor,
5422 expand_expr_real_1): Likewise.
5423 * fold-const.c (fold_ternary): Likewise.
5424 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
5425 gimplify_init_constructor, gimplify_expr): Likewise.
5426 * tree-dump.c (dequeue_and_dump): Likewise.
5427 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
5429 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
5431 * tree-sra.c (generate_element_init_1): Likewise.
5432 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
5433 * tree-ssa-operands.c (get_expr_operands): Likewise.
5434 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
5435 * tree-vect-transform.c (vect_get_vec_def_for_operand):
5436 (get_initial_def_for_reduction): Likewise.
5437 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
5438 value handle in annotations.
5439 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
5440 tree_node_structure): Add support for constr_kind.
5441 (build_vector_from_ctor, build_constructor_single,
5442 build_constructor_from_list): New functions.
5443 (build_constructor): Update to take a VEC instead of a TREE_LIST.
5444 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
5445 Update to cope with VEC in CONSTRUCTOR_ELTS.
5446 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
5447 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
5448 CONSTRUCTOR_APPEND_ELT): New macros.
5449 (struct constructor_elt, struct tree_constructor): New data types.
5450 (union tree_node): Add tree_constructor field.
5451 * treestruct.def: Define TS_CONSTRUCTOR.
5452 * varasm.c (const_hash_1, compare_constant, copy_constant,
5453 compute_reloc_for_constant, output_addressed_constants,
5454 initializer_constant_valid_p, output_constant,
5455 array_size_for_constructor, output_constructor): Update to cope with
5456 VEC in CONSTRUCTOR_ELTS.
5457 * vec.h (VEC_empty, VEC_copy): New macros.
5459 2005-07-19 Devang Patel <dpatel@apple.com>
5461 * dbxout.c (dbxout_type): Check Objective-C++ lang.
5463 2005-07-19 Richard Henderson <rth@redhat.com>
5466 * gimplify.c (gimplify_expr): Use main variant type for the temp
5467 destination for a discarded volatile read.
5468 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
5469 casts between non-void types that change volatility.
5471 2005-07-15 DJ Delorie <dj@redhat.com>
5473 * toplev.h: Add comment about the first parameter for warning().
5474 * errors.h: Likewise.
5476 * c.opt (Wpragmas): New.
5477 * doc/invoke.texi: Document it.
5479 * function.c (do_warn_unused_parameter): Add warning control to
5481 * c-decl.c (warn_if_shadowing): Likewise.
5482 * c-lex.c (cb_def_pragma): Likewise.
5483 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
5484 (pop_alignment): Likewise.
5485 (handle_pragma_pack): Likewise.
5486 (apply_pragma_weak): Likewise.
5487 (handle_pragma_weak): Likewise.
5488 (handle_pragma_redefine_extname): Likewise.
5489 (add_to_renaming_pragma_list): Likewise.
5490 (handle_pragma_extern_prefix): Likewise.
5491 (maybe_apply_renaming_pragma): Likewise.
5492 (handle_pragma_visibility): Likewise.
5494 * config/c4x/c4x-c.c (BAD): Likewise.
5495 (c4x_parse_pragma): Likewise.
5496 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
5497 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
5498 (rs6000_pragma_longcall): Likewise.
5499 * config/v850/v850-c.c (pop_data_area): Likewise.
5500 (ghs_pragma_section): Likewise.
5501 (ghs_pragma_section): Likewise.
5502 (ghs_pragma_interrupt): Likewise.
5503 (ghs_pragma_starttda): Likewise.
5504 (ghs_pragma_startsda): Likewise.
5505 (ghs_pragma_startzda): Likewise.
5506 (ghs_pragma_endtda): Likewise.
5507 (ghs_pragma_endsda): Likewise.
5508 (ghs_pragma_endzda): Likewise.
5510 2005-07-19 Danny Berlin <dberlin@dberlin.org>
5511 Kenneth Zadeck <zadeck@naturalbridge.com>
5513 * Makefile.in: Removed tree-promote-statics.c
5514 * tree-promote-statics.c: Removed.
5515 * common.opt: Removed flag-promote-statics.
5517 * passes.c: Removed tree-promote-statics pass.
5518 * tree-pass.h: Ditto.
5519 * timevar.def: Removed TV_PROMOTE_STATICS.
5522 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
5524 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
5526 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
5528 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5531 * c-common.c (check_function_arguments): Call
5532 'check_function_format' if either -Wformat or
5533 -Wmissing-format-attribute are specified.
5534 * c-format.c (check_function_format): Check -Wformat before
5535 calling 'check_format_info'.
5536 * c-opts.c (c_common_post_options): Don't warn for
5537 -Wmissing-format-attribute without -Wformat.
5538 * c-typeck.c (convert_for_assignment): Detect additional cases for
5539 -Wmissing-format-attribute.
5540 * doc/invoke.texi (-Wmissing-format-attribute): Document new
5543 2005-07-19 Richard Guenther <rguenther@suse.de>
5545 * config/i386/i386.md (lrint<mode>2): Use temporary
5546 instead of clobbering non-existent memory.
5548 2005-07-19 Nick Clifton <nickc@redhat.com>
5550 * config/avr/avr.c (legitimate_address_p): Fix debugging print
5551 statement to avoid displaying ASCII control characters.
5553 2005-07-19 Ben Elliston <bje@au.ibm.com>
5555 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
5556 * cfganal.c (find_edge_index): Ditto.
5557 * combine.c (combine_instructions): Ditto.
5558 * ddg.c (create_scc): Ditto.
5559 (find_successors): Ditto.
5560 (find_predecessors): Ditto.
5561 (find_nodes_on_paths): Ditto.
5562 (longest_simple_path): Ditto.
5563 * flow.c (update_life_info): Ditto.
5564 (count_or_remove_death_notes): Ditto.
5565 (clear_log_links): Ditto.
5566 * modulo-sched.c (generate_reg_moves): Ditto.
5567 (find_max_asap): Ditto.
5568 (find_max_hv_min_mob): Ditto.
5569 (find_max_dv_min_mob): Ditto.
5570 * sbitmap.c (sbitmap_first_set_bit): Ditto.
5571 * sched-rgn.c (extract_edgelst): Ditto.
5572 * tree-into-ssa.c (prepare_names_to_update): Ditto.
5573 (dump_update_ssa): Ditto.
5574 (ssa_names_to_replace) Ditto.
5575 (switch_virtuals_to_full_rewrite): Ditto.
5576 (update_ssa): Ditto.
5577 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5579 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
5581 Fix PR tree-optimization/22483
5583 * tree-complex.c (create_components): Use
5584 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5585 * tree-flow-inline.h (fill_referenced_var_vec): New function.
5586 * tree-flow.h (safe_referenced_var_iterator): New structure.
5587 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5588 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5589 safe_referenced_var iterator.
5590 (add_type_alias): Ditto.
5592 2005-07-19 Steven Bosscher <stevenb@suse.de>
5594 * loop-init.c (rest_of_handle_loop2): Remove.
5595 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5596 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5597 (pass_rtl_loop_init, pass_rtl_loop_done,
5598 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5599 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5600 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5601 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5602 pass_tree_loop_done, and pass_tree_unswitch.
5603 (gate_loop): Rename to gate_tree_loop.
5604 * passes.c (init_optimization_passes): Update for renamed tree
5605 loop passes. Add the new loop2 passes as subpasses of loop2.
5606 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5607 Update for the renamed tree loop passes.
5609 2005-07-18 Ian Lance Taylor <ian@airs.com>
5612 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5613 blocks when optimizing.
5615 2005-07-18 Steve Ellcey <sje@cup.hp.com>
5617 * common.opt (frename-registers): Initialize to 2.
5619 (fgcse-after-reload): Ditto.
5620 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5621 (process_options): Only change flag_web, flag_rename_registers,
5622 and flag_rerun_cse_after_loop if not explicitly set by user.
5624 2005-07-18 Jan Beulich <jbeulich@novell.com>
5626 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
5627 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
5628 in 64-bit mode the same as DImode in 32-bit mode.
5629 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
5630 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
5631 mode. Add new mode parameter.
5632 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
5633 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
5634 x86_64_shift_adj): New expanders.
5635 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
5636 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
5638 Respective new splitters. Use renamed shift splitter helpers in 32-bit
5639 DImode shift splitters.
5640 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
5641 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
5644 2005-07-18 Jan Beulich <jbeulich@novell.com>
5646 * i386.md (movdi_extzv_1): New.
5647 (zero_extendhidi2): Combine alternatives and never force use of
5649 (zero_extendqidi2): Likewise. Don't restrict input selection.
5651 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5653 Fix PR tree-optimization/22531
5654 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
5657 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5659 * tree-promote-statics.c (pass_promote_statics): Change dump file
5662 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5664 * tree-optimize.c (init_tree_optimization_passes): Add
5665 pass_eliminate_useless_stores pass.
5666 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
5667 * tree-ssa-pre.c (is_copy_stmt): New function.
5668 (follow_copies_till_vuse): Ditto.
5669 (do_eustores): Ditto.
5670 (gate_eustores): Ditto.
5672 2005-07-16 Richard Henderson <rth@redhat.com>
5674 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
5676 2005-07-16 Danny Berlin <dberlin@dberlin.org>
5677 Kenneth Zadeck <zadeck@naturalbridge.com>
5679 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
5680 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
5681 ipa-type-escape.h, tree-promote-statics.c
5682 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
5683 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
5684 tree-promote-statics.c: new files.
5685 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
5686 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
5687 int nonlocal_set_p, mark_constant_function): Deleted.
5688 (rest_of_handle_cfg): Removed call to mark_constant_function.
5689 (nonoverlapping_component_refs_p): Added calls to support
5690 type based aliasing.
5691 * tree-ssa-alias.c (may_alias_p,
5692 compute_flow_insensitive_aliasing): Ditto.
5693 * calls.c (flags_from_decl_or_type): Removed reference to
5695 * c-typeck.c (convert_arguments): Make builtins tolerant of having
5696 too many arguments. This is necessary for Spec 2000.
5697 * cgraph.h (const_function, pure_function): Removed.
5698 * common.opt: Added "fipa-pure-const", "fipa-reference",
5699 "fipa-type-escape", and "ftree-promote-static".
5701 * passes.c: Added ipa and tree-promote-statics passes.
5702 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
5703 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
5704 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
5705 * tree-flow.h: Added exposed sra calls and addition of
5706 reference_vars_info field for FUNCTION_DECLS.
5707 * tree-pass.h: Added passes.
5708 * tree-sra.c: (sra_init_cache): New function.
5709 (sra_insert_before, sra_insert_after) Made public.
5710 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
5712 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
5713 aliasing. (may_alias_p): Added code to use type escape analysis to
5715 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
5716 code to prune clobbers of static variables based on information
5717 produced in ipa-reference pass. Changed call clobbering so that
5718 statics are not marked as clobbered if the call does not clobber
5721 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
5723 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
5726 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5728 * doc/install.texi (*-*-solaris2*): Document recommended version
5729 of GNU binutils and mention GNU linker problem on Solaris 10.
5731 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
5734 * c-decl.c (c_build_bitfield_integer_type): New function.
5735 (finish_struct): Call it.
5736 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
5738 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5740 * c-typeck.c (digest_init): Call 'convert_for_assignment'
5743 2005-07-16 Jan Hubicka <jh@suse.cz>
5745 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
5746 (scale_bbs_frequencies_int): Watch roundoff errors.
5747 * predict.c (return_prediction): Initialize return_stmt.
5749 2005-07-16 Jan Hubicka <jh@suse.cz>
5751 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
5752 after RTL profiling.
5754 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
5757 * fold-const.c (build_range_check): Convert high/low to etype
5758 if we are only comparing against exp.
5760 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
5762 Fix PR tree-optimization/22376
5763 * tree-ssa-structalias.c (build_constraint_graph): We really meant
5765 (need_to_solve): New function.
5766 (compute_points_to_sets): Use it.
5768 2005-07-15 Jan Hubicka <jh@suse.cz>
5770 * cfg.c (update_bb_profile_for_threading): More diagnostic.
5771 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
5773 2005-07-15 Richard Guenther <rguenther@suse.de>
5775 * c-common.c (handle_flatten_attribute): New function.
5776 Add flatten function attribute.
5777 * doc/extend.texi: Document flatten function attribute.
5778 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
5779 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
5781 (cgraph_decide_inlining): Handle functions with flatten
5784 2005-07-14 David Edelsohn <edelsohn@gnu.org>
5786 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
5787 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
5788 UNSPEC_XCHG, UNSPEC_AND): New.
5789 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
5790 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
5791 * config/rs6000/sync.md (FETCHOP): New code macro.
5792 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
5794 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
5795 (sync_compare_and_swap<mode>): Same.
5796 (sync_lock_test_and_set<mode>): Same.
5797 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
5798 for QImode and HImode, and not PPC405.
5799 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
5800 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
5801 (sync_<fetchop>{si,di}_internal): New.
5802 (sync_nand{si,di}_internal): New.
5803 (sync_old_<fetchop>{si,di}_internal): New.
5804 (sync_old_nand{si,di}_internal): New
5805 (sync_new_<fetchop>{si,di}_internal): New.
5806 (sync_new_nand{si,di}_internal): New.
5807 (atomic_and{si,di}): New.
5808 (sync_new_nand{si,di}_internal): New.
5809 (atomic_and{si,di}): New.
5810 (sync_add<mode>_internal): Delete.
5811 (sync_addshort_internal): Use unspec instead of unspec_volatile.
5812 (sync_sub<mode>_internal): Delte.
5813 (sync_subshort_internal): New.
5814 (sync_andsi_internal): Use unspec instead of unspec_volatile.
5815 (sync_anddi_internal): Delete.
5816 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
5817 (sync_booldi_internal): Delete.
5818 (sync_boolc<mode>_internal): Delete.
5819 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
5820 (sync_boolc<mode>_internal2): Delete.
5821 (sync_boolcc<mode>_internal): Delete.
5822 (isync, lwsync): Use unspec instead of unspec_volatile.
5823 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
5824 Revert UNSPEC_VOLATILE.
5825 (rs6000_split_atomic_op): New.
5826 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
5828 2005-07-14 Eric Christopher <echristo@redhat.com>
5830 * config/mips/mips.c (mips_canonicalize_comparison): Cast
5831 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
5833 2005-07-14 Eric Christopher <echristo@redhat.com>
5835 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
5837 2005-07-14 Steven Bosscher <stevenb@suse.de>
5839 PR tree-optimization/22230
5840 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
5841 the computation of the four cross productions for "range op range".
5843 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
5844 Ulrich Weigand <uweigand@de.ibm.com>
5847 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
5850 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5852 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
5854 2005-07-14 Steve Ellcey <sje@cup.hp.com>
5856 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
5858 2005-07-14 Richard Guenther <rguenther@suse.de>
5861 * config/i386/i386-protos.h (ix86_function_value): Change
5862 prototype to match new target hook.
5863 * config/i386/i386.c (ix86_value_regno): Change prototype
5864 to take extra type argument.
5865 (TARGET_FUNCTION_VALUE): Define.
5866 (ix86_function_ok_for_sibcall): Pass extra argument to
5867 ix86_value_regno, check return slot rtx for exact match.
5868 (ix86_function_value): Take extra parameter. Dispatch to
5869 ix86_value_regno with fndecl/fntype as provided.
5870 (ix86_value_regno): Handle extra type argument.
5871 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
5873 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
5874 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
5875 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
5876 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
5877 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
5879 2005-07-14 Richard Guenther <rguenther@suse.de>
5881 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
5882 * calls.c (expand_call): Pass fntype to hard_function_value.
5883 (emit_library_call_value_1): Likewise.
5884 * explow.c: Include target.h.
5885 (hard_function_value): Take extra argument, the fntype.
5886 Use new target hook for function_value.
5887 * expr.h (hard_function_value): Change prototype.
5888 * function.c (aggregate_value_p): Pass 0 as fntype to
5889 hard_function_value.
5890 (assign_parms): Use new target hook for function_value.
5891 Pass 0 as fntype to hard_function_value.
5892 (expand_function_end): Likewise.
5893 * reg-stack.c: Include target.h.
5894 (stack_result): Use new target hook for function_value.
5895 * target-def.h: New target hook function_value.
5896 * target.h: Likewise.
5897 * targhooks.c (default_function_value): New function.
5898 * targhooks.h (default_function_value): Declare.
5900 2005-07-13 Ian Lance Taylor <ian@airs.com>
5902 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5904 2005-07-14 Jan Hubicka <jh@suse.cz>
5906 * tree-dfa.c (dump_variable): Use default_def function.
5907 * tree-ssa-alias.c (dump_points_to_info): Likewise.
5908 * tree-ssa.c (verify_use): Likewise.
5909 * tree-ssanames.c (release_ssa_name): Likewise.
5910 * tree-tailcall.c (eliminate_tail_call): Likewise.
5911 (tree_optimize_tail_calls_1): Likewise.
5912 * tree-vrp.c (get_value_range): Likewise.
5914 2005-07-14 Ben Elliston <bje@au.ibm.com>
5916 * gcc.c (main): Compare language[0] with '*' when iterating over
5919 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
5921 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
5922 "s390_emit_compare". Add handling of CCZ1mode.
5923 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
5924 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
5926 (s390_branch_condition_mask): Add CCZ1mode handling.
5927 * config/s390/s390.md: ("seq", "*seq"): New pattern.
5928 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
5929 Use CCZ1mode instead of CCZmode.
5930 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
5932 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
5934 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
5936 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
5938 2005-07-13 Eric Christopher <echristo@redhat.com>
5940 * config/mips/mips.c (mips_canonicalize_comparison): New.
5941 (mips_emit_int_relational): Use.
5943 2005-07-13 Eric Christopher <echristo@redhat.com>
5945 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5947 * config/s390/s390.md: Include tpf.md. Move tpf specific
5949 * config/s390/tpf.md: To here.
5950 * config/s390/s390.opt: Move tpf specific options...
5951 * config/s390/tpf.opt: to here. Add mmain option.
5952 * config/s390/tpf-unwind.h: Remove unnecessary defines.
5953 * config/s390/tpf.h: Rewrite.
5955 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
5957 * doc/tm.texi: Remove @xref{Cross-profiling}.
5959 2005-07-13 Jeff Law <law@redhat.com>
5961 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
5962 expressions, test their _DECL operands for pointer equality rather
5963 than using operand_equal_p.
5965 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
5967 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
5968 (TARGET_POSIX_IO): This.
5969 * config/darwin.h: Likewise.
5970 * config/freebsd.h: Likewise.
5971 * config/linux.h: Likewise.
5972 * config/lynx.h: Likewise.
5973 * config/netbsd.h: Likewise.
5974 * config/rs6000/linux64.h: Likewise.
5975 * config/rs6000/linux.h: Likewise.
5976 * config/s390/tpf.h: Likewise.
5977 * config/sh/embed-elf.h: Likewise.
5978 * config/sparc/linux64.h: Likewise.
5979 * config/sparc/linux.h: Likewise.
5980 * config/svr4.h: Likewise.
5981 * gcov-io.h: Likewise.
5983 * doc/tm.texi: Updated.
5985 * libgcov.c (create_file_directory): Defined only if
5986 TARGET_POSIX_IO is defined.
5987 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
5990 2005-07-13 Jan Hubicka <jh@suse.cz>
5992 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
5994 2005-07-13 David Edelsohn <edelsohn@gnu.org>
5996 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
5997 structure as argument.
5999 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
6001 PR tree-optimization/21921
6002 * tree-iterator.c (tsi_link_before): Support the case when
6003 tsi_end_p (tsi) == true.
6005 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6007 PR tree-optimization/22442
6008 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
6011 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6013 PR rtl-optimization/20376
6014 * toplev.c (process_options): Enable -fweb and -frename-registers when
6016 * doc/invoke.texi: Update the information about when -fweb and
6017 -frename-registers are enabled.
6019 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6022 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
6023 if *rhs_p is not a SSA_NAME.
6025 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
6027 Fix PR tree-optimization/22422
6028 * tree-ssa-structalias.c (struct variable_info): Add flag for
6030 (get_varinfo): Now a static function.
6031 (new_varinfo): init has_union and is_special_var to false.
6032 (solution_set_add): Check has_union.
6033 (do_da_constraint): Move temporary variable so it gets reset
6035 Also check for special variable.
6036 (do_ds_constraint): Ditto.
6037 (do_sd_constraint): Ditto.
6038 (do_structure_copy): Check for special variable.
6039 (find_func_aliases): Ditto.
6040 (init_base_vars): Set special vars properly.
6042 2005-07-13 Jan Hubicka <jh@suse.cz>
6044 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
6047 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
6048 (get_expr_operands): Fix thinko wrt flags and subvars.
6050 PR tree-optimize/22379
6051 * tree-inline.c (expand_call_inline): Do not output sorry in early
6054 2005-07-12 Dale Johannesen <dalej@apple.com>
6056 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
6058 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6061 * host-linux.h: Include limits.h.
6063 2005-07-12 Dale Johannesen <dalej@apple.com>
6065 * expr.c (compress_float_constant): Add cost check.
6066 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
6068 2005-07-12 Dale Johannesen <dalej@apple.com>
6070 * gcc.target/i386/compress-float-sse.c: New.
6071 * gcc.target/i386/compress-float-sse-pic.c: New.
6072 * gcc.target/i386/compress-float-387.c: New.
6073 * gcc.target/i386/compress-float-387-pic.c: New.
6074 * gcc.dg/compress-float-ppc.c: New.
6075 * gcc.dg/compress-float-ppc-pic.c: New.
6077 2005-07-12 Eric Christopher <echristo@redhat.com>
6079 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6081 * config/s390/s390.md: Include tpf.md. Move tpf specific
6083 * config/s390/tpf.md: To here.
6084 * config/s390/s390.opt: Move tpf specific options...
6085 * config/s390/tpf.opt: to here. Add mmain option.
6086 * config/s390/tpf-unwind.h: Remove unnecessary defines.
6087 * config/s390/tpf.h: Rewrite.
6089 2005-07-12 Eric Christopher <echristo@redhat.com>
6091 * gcc.c (struct infile): Update comment for language.
6092 (main): Rewrite input file resetting code.
6094 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6097 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
6098 requiring a cast in a non RHS of modify_expr. Add a cast when required.
6099 (lookup_avail_expr): Use constant_boolean_node instead
6100 of boolean_false_node/boolean_true_node.
6102 2005-07-12 Ben Elliston <bje@au.ibm.com>
6104 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
6105 and use it when printing num_edges.
6107 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
6109 * doc/extend.texi (Blackfin Built-in Functions): New section.
6110 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
6113 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
6115 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
6116 s/cmpstrsi/cmpstrnsi
6117 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
6119 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
6120 (init_optabs): Initialize cmpstrn_optab.
6121 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
6122 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
6123 * expr.c: (enum insn_code cmpstrn_optab): Declare.
6124 * config/i386/i386.md: s/cmpstr/cmpstrn
6125 * config/c4x/c4x.md: s/cmpstr/cmpstrn
6126 * doc/md.texi: Update documentation.
6128 2005-07-11 Richard Henderson <rth@redhat.com>
6130 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
6131 build_va_arg_indirect_ref.
6132 (alpha_gimplify_va_arg): Likewise.
6133 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
6134 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
6135 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
6136 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
6137 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
6138 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
6140 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
6142 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6144 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
6145 * passes.c (init_optimization_passes): Add pass_empty_loop.
6146 * tree-pass.h (pass_empty_loop): Declare.
6147 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
6148 try_remove_empty_loop, remove_empty_loops): New functions.
6149 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
6150 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
6152 2005-07-12 Peter Barada <peter@the-baradas.com>
6156 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
6157 in address registers.
6158 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
6159 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
6160 alternative of addsi3_5200.
6162 2005-07-11 Ian Lance Taylor <ian@airs.com>
6164 * config/mips/mips.md (ffs<mode>2): Remove.
6166 2005-07-11 Ian Lance Taylor <ian@airs.com>
6168 * doc/tree-ssa.texi (Cleanups): Improve description of
6170 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
6172 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
6174 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
6175 * tree.h (DECL_ARGUMENT_FLD): New macro.
6177 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
6179 Fix PR tree-optimization/22404
6181 * tree-ssa-structalias.c (create_variable_info_for): Use
6184 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
6186 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
6187 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
6188 for second comparison operand.
6189 * config/bfin/predicates.md (reg_or_const_int_operand): New.
6191 * config/bfin/bfin.md (define_attr "type"): Add "sync".
6192 (define_insn_reservation "alu"): Likewise.
6193 (csync, ssync): Now of type sync.
6194 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
6195 -mcsync-anomaly -mspecld-anomaly.
6196 * config/bfin/bfin.opt (mcsync): Remove.
6197 (mcsync-anomaly, mspecld-anomaly): Add.
6198 * config/bfin/bfin.c: Include "insn-codes.h".
6199 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
6200 (TARGET_DEFAULT_TARGET_FLAGS): New.
6201 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
6203 2005-07-11 Steven Bosscher <stevenb@suse.de>
6205 * basic-block.h: Give the BB flags enum a name, bb_flags.
6206 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
6207 * cfgcleanup.c (enum bb_flags): Remove here.
6208 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
6209 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
6210 (update_forwarder_flag): Likewise.
6211 (thread_jump): Likewise.
6212 (try_forward_edges): Likewise.
6213 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
6214 forwarder flags. Don't clear bb->aux for all basic blocks. Only
6215 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
6217 2005-07-11 Richard Guenther <rguenther@suse.de>
6219 * config/i386/i386.opt: New target option -msseregparm.
6220 * config/i386/i386.c (override_options): Error out for
6221 -msseregparm but no SSE support.
6222 (ix86_function_sseregparm): Check for global sseregparm.
6223 * doc/invoke.texi: Document -msseregparm.
6225 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6227 * config.gcc (m32r-*-linux*): Use the default extra_parts.
6228 (m32rle-*-linux*): Ditto.
6230 2005-07-11 Jakub Jelinek <jakub@redhat.com>
6232 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
6233 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
6236 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6240 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
6241 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
6243 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
6245 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
6246 (varmap): Heapify varmap.
6247 (constraints): Heapify constraints.
6248 (struct constraint_graph): Heapify succs and preds.
6249 (constraint_vec_find): Update for heapification.
6250 (constraint_set_union): Ditto.
6251 (insert_into_complex): Ditto.
6252 (constraint_edge_vec_find): Ditto.
6253 (erase_graph_self_edge): Ditto.
6254 (add_graph_edge): Ditto.
6255 (get_graph_weights): Ditto.
6256 (merge_graph_nodes): Ditto.
6257 (build_constraint_graph): Ditto.
6258 (topo_visit): Ditto.
6259 (solve_graph): Ditto.
6260 (create_variable_info_for): Ditto.
6261 (init_base_vars): Ditto.
6262 (delete_points_to_sets): Free graph, varmap, and complex constraints.
6263 (condese_varmap_nodes): Free complex vector.
6264 (clear_edges_for_node): Clear succs and preds vector.
6266 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
6268 * tree-ssa-structalias.c (update_alias_info): Change counting of
6269 references to not include vdefs.
6271 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
6273 * tree-ssa-alias.c (free_used_part_map): Add missing free.
6276 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6278 * pa.c (pa_commutative_p): Make PLUS commutative when
6279 TARGET_NO_SPACE_REGS is true.
6281 2005-07-09 Diego Novillo <dnovillo@redhat.com>
6283 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
6284 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
6285 * tree-dfa.c (dump_subvars_for): New.
6286 (debug_subvars_for): New.
6287 (dump_variable): Show subvariables if VAR has them.
6288 * tree-flow-inline.h (get_subvar_at): New.
6289 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
6290 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
6292 (struct subvar): Change fields offset and size to unsigned
6294 (dump_subvars_for): Declare.
6295 (debug_subvars_for): Declare.
6296 (get_subvar_at): Declare.
6297 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
6298 to unsigned HOST_WIDE_INT *.
6299 (overlap_subvar): Likewise.
6300 * tree-gimple.c (is_gimple_reg): Always return false for
6301 SFTs and memory tags.
6302 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
6304 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
6305 (compute_may_aliases): Call compute_points_to_sets.
6306 (collect_points_to_info_for): Remove.
6307 (compute_points_to_and_addr_escape): Remove.
6308 (delete_alias_info): Call delete_points_to_sets.
6309 (compute_flow_sensitive_aliasing): If the call to
6310 find_what_p_points_to returns false, call set_pt_anything.
6311 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
6312 (set_pt_anything): Clear pi->pt_vars.
6313 (set_pt_malloc): Remove.
6314 (merge_pointed_to_info): Remove.
6315 (add_pointed_to_expr): Remove.
6316 (add_pointed_to_var): Remove.
6317 (collect_points_to_info_r): Remove.
6318 (is_escape_site): Make extern.
6320 (create_overlap_variables_for): Call it.
6321 * tree-ssa-copy.c (merge_alias_info): Never merge
6322 flow-sensitive alias information.
6323 * tree-ssa-operands.c (get_expr_operands): Adjust variables
6324 offset and size to be unsigned HOST_WIDE_INT.
6325 (add_to_addressable_set): Rename from note_addressable.
6326 Set TREE_ADDRESSABLE as the variables are added to the set.
6328 (add_stmt_operand): Do not try to micro-optimize unmodifiable
6329 operands into VUSEs when adding V_MAY_DEFs for members in an
6331 * tree-ssa-operands.h (add_to_addressable_set): Declare.
6332 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
6333 (struct variable_info): Add bitfield is_heap_var.
6334 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
6335 (new_var_info): Initialize is_heap_var.
6336 (get_constraint_for): Add HEAP variables to the symbol table.
6337 Mark them with is_heap_var.
6338 (update_alias_info): New. Taken mostly from the old
6339 compute_points_to_and_addr_escape.
6340 (handle_ptr_arith): New.
6341 (find_func_aliases): Call update_alias_info.
6342 Call handle_ptr_info for tcc_binary expressions.
6343 Call mark_stmt_modified.
6344 (create_variable_info_for): If DECL has subvars, do not create
6345 variables for its subvars. Always add all the fields.
6346 (set_uids_in_ptset): If the solution includes ANYOFFSET and
6347 SFTs, then add all the SFTs of the structure.
6348 If VI->DECL is an aggregate with subvariables, add the SFT at
6350 (find_what_p_points_to): If VI is an artificial variable,
6351 translate to bitfields in SSA_NAME_PTR_INFO.
6352 If the solution is empty, set pi->pt_vars to NULL
6353 (init_base_vars): Create ANYOFFSET.
6354 (compute_points_to_sets): Rename from create_alias_vars.
6356 (pass_build_pta): Remove.
6357 (delete_points_to_sets): Rename from delete_alias_vars.
6358 (pass_del_pta): Remove.
6359 * tree-ssa-structalias.h (struct alias_info): Move from
6361 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
6362 NUM_REFERENCES_SET): Likewise.
6363 (compute_points_to_sets, delete_points_to_sets): Declare.
6365 2005-07-09 Richard Henderson <rth@redhat.com>
6367 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
6368 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
6369 alpha_split_lock_test_and_set_12): New functions.
6370 * config/alpha/alpha-protos.h: Update.
6371 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
6372 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
6373 * config/alpha/sync.md (I12MODE): New.
6374 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
6375 (sync_<fetchop_name><I48MODE>): Likewise.
6376 (sync_nand<I48MODE>): Likewise.
6377 (sync_old_<fetchop_name><I48MODE>): Likewise.
6378 (sync_new_<fetchop_name><I48MODE>): Likewise.
6379 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6380 (sync_compare_and_swap<I48MODE>): Likewise.
6381 (sync_lock_test_and_set<I48MODE>): Likewise.
6382 (sync_compare_and_swap<I12MODE>): New.
6383 (sync_compare_and_swap<I12MODE>_1): New.
6384 (sync_lock_test_and_set<I12MODE>): New.
6385 (sync_lock_test_and_set<I12MODE>_1): New.
6387 2005-07-09 Diego Novillo <dnovillo@redhat.com>
6391 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
6393 2005-07-09 Jakub Jelinek <jakub@redhat.com>
6395 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
6396 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
6398 2005-07-09 Richard SAndiford <richard@codesourcery.com>
6401 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6403 2005-07-08 David Edelsohn <edelsohn@gnu.org>
6405 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
6406 memory_operand constraint.
6407 (store_conditional_<mode>): Same.
6408 (sync_compare_and_swap<mode>): Same.
6409 (sync_lock_test_and_set<mode>): Same.
6411 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
6413 Rewrite PIC support to more closely model actual instructions.
6414 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
6415 (cris_symbol): Remove prototypes for removed functions.
6416 (cris_pic_symbol_type_of, cris_valid_pic_const)
6417 (cris_expand_pic_call_address): Prototypes for new functions.
6418 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
6420 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
6422 <case ':'>: Add case for new punctuation character.
6423 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
6424 emitting (extra) PIC modifier.
6425 <case UNSPEC>: Do not assert for PLT.
6426 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
6427 (cris_expand_prologue, cris_expand_epilogue): Check
6428 for pic_offset_table_rtx usage instead of taking
6429 current_function_uses_pic_offset_table as the final word.
6430 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
6431 Remove flag_pic difference.
6432 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
6433 the moral equivalents of...
6434 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
6436 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
6437 (cris_handle_option): Mark ARG as unused.
6438 (cris_expand_pic_call_address): New worker function for "call",
6440 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
6441 output PIC constructs here.
6442 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
6443 as symbol-specific modifers, not whole or part of operands.
6444 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
6445 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
6446 constants and flag_pic.
6447 (CONSTANT_INDEX_P): Adjust for new functions.
6448 (enum cris_pic_symbol_type): New helper type.
6449 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
6450 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
6451 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
6453 ("movsi"): Emit actual instructions for GOT and relative access.
6454 ("*movsi_got_load"): New pattern to set up the register holding
6456 ("*movsi_internal"): Operand 1 is not a plain general_operand.
6457 Adjust FIXME for 'S'.
6458 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
6459 Use "movs" for -fpic cases.
6460 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
6461 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
6462 ("call", "call_value"): Just call cris_expand_pic_call_address for
6464 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
6465 Remove special pattern.
6466 ("*expanded_call_side", "*expanded_call_value_side"): New
6468 (gotplt-to-plt, gotplt-to-plt-side-call)
6469 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
6471 * config/cris/cris/predicates.md
6472 ("cris_general_operand_or_gotless_symbol"): Remove unused
6474 ("cris_general_operand_or_symbol"): Adjust for new functions.
6476 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6478 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
6480 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
6482 * Makefile.in (TREE_H): Add treestruct.def.
6483 (c-decl.o): Add pointer-set.h
6484 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
6485 visibility on regular DECL's.
6486 (merge_decls): Fix the copying of decl nodes of various types for
6487 the new structures. Don't update RTL, section name, weak status,
6488 etc, on DECL's without RTL.
6489 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
6490 Don't check volatile on non-variable types.
6491 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
6492 to check whether we have seen arguments.
6493 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
6494 flag is checked before field (flag is common, field is not).
6495 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
6496 TS_DECL_COMMON could have an origin.
6497 (add_location_or_const_value_attribute): Don't check section name
6498 on non-var/function decls.
6499 (dwarf2out_var_location): Reverse order of tests.
6500 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
6501 with DECL_WRTL_CHECK.
6502 * expmed.c (make_tree): rtl is now in decl_with_rtl.
6503 * fold-const.c (fold_binary): Don't check weakness on
6504 non-var/function decls.
6505 (tree_expr_nonzero_p): Ditto.
6506 (fold_checksum_tree): Use tree_decl_extra as sizeof
6508 * ggc-page.c (extra_order_size_table): Add sizes for
6509 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
6511 * gimplify.c (gimplify_bind_expr): Only set
6512 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
6513 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
6515 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
6516 * langhooks.h (init_ts). New langhook.
6517 * passes.c (rest_of_decl_compilation): Reverse order of tests.
6518 * print-tree.c (print_node): Update to only print fields that
6519 exist in the structures the passed decl has.
6520 * toplev.c (wrapup_global_declarations): Don't reset
6521 DECL_DEFER_OUTPUT on DECL's that don't contain it.
6522 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
6523 * tree-inline.c (remap_decl): Ditto.
6524 * tree-outof-ssa.c (create_temp): Reverse order of tests.
6525 * tree-pretty-print.c (print_declaration): Don't print
6526 DECL_REGISTER on things that don't contain it.
6527 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
6528 non-var/function decls.
6529 * tree.c (tree_contains_struct): New structure.
6530 (init_priority_for_decl): New hashtable.
6531 (tree_int_map): New structure.
6532 (tree_int_map_eq): New function.
6533 (tree_int_map_marked_p): Ditto.
6534 (tree_int_map_hash): Ditto.
6535 (tree_map): Move to tree.h.
6536 (tree_map_eq): Externalize.
6537 (tree_map_hash): Ditto.
6538 (tree_map_marked_p): Ditto.
6539 (init_ttree): Set up tree_contains_struct and call langhook.
6540 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
6541 (tree_code_size): Update for new structures.
6542 (tree_node_structure): Update for new structures.
6543 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
6545 (copy_node_stat): Copy init priority.
6546 (build_decl_stat): Ditto for visibility.
6547 (ts_enum_names): New.
6548 (tree_contains_struct_check_failed): New function.
6549 (decl_init_priority_lookup): Ditto.
6550 (decl_init_priority_insert): Ditto.
6551 * treestruct.def: New file.
6552 * tree.h (CODE_CONTAINS_STRUCT): New macro.
6553 (CONTAINS_STRUCT_CHECK): Ditto.
6554 (tree_contains_struct_check_failed): New prototype.
6555 (DECL_CHECK): Removed.
6556 (DECL_MINIMAL_CHECK): New.
6557 (DECL_COMMON_CHECK): Ditto.
6558 (DECL_WRTL_CHECK): Ditto.
6559 (DECL_NON_COMMON_CHECK): Ditto.
6560 (DECL_WITH_VIS_CHECK): Ditto.
6561 (VAR_OR_FUNCTION_DECL_P): Ditto
6562 (struct tree_decl_minimal): New structure.
6563 (struct tree_decl_common): Ditto.
6564 (struct tree_decl_with_rtl): Ditto.
6565 (struct tree_decl_with_vis): Ditto.
6566 (struct tree_decl_non_common): Ditto.
6567 (struct tree_field_decl): Ditto.
6568 (struct tree_parm_decl): Ditto.
6569 (struct tree_var_decl): Ditto.
6570 (struct tree_function_decl): Ditto.
6571 (struct tree_const_decl): Ditto.
6572 (struct tree_result_decl): Ditto.
6573 (union tree_node): Add new structures.
6574 * var-tracking.c (track_expr_p): Reverse order of tests.
6576 * doc/c-tree.texi: Add documentation on DECL node internal structure.
6578 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6580 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6581 * system.h: Poison FINALIZE_PIC.
6582 * doc/tm.texi (FINALIZE_PIC): Remove.
6584 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6587 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6588 to the correct type if we have a MODIFY_EXPR.
6590 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6592 PR tree-optimization/22360
6593 * tree.c (upper_bound_in_type): Fix calculations for casting
6594 to a non-wider signed type and casting a signed value to a
6595 wider unsigned type.
6596 (lower_bound_in_type): Fix calculations for casting to a
6597 non-wider signed type.
6599 PR tree-optimization/20139
6600 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6602 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6603 fold_cond_expr_cond.
6604 * tree-ssanames.c (release_defs): Assert in_ssa_p.
6605 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6607 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6610 * tree-complex.c (expand_complex_libcall): Produce
6611 REALPART_EXPR/IMAGPART_EXPR with the correct type.
6613 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
6615 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6616 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6617 b" assert and inserted fastpath code for this case.
6618 (bitmap_ior): Removed "a != b" assert.
6620 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6622 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6623 (ENDFILE_SPEC): Likewise.
6624 * config/m32r/m32r.h (ASM_SPEC): Likewise.
6626 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
6627 a large stack frame at epilogue.
6629 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
6631 * final.c: Include sdbout.h when required.
6633 2005-07-07 Geoffrey Keating <geoffk@apple.com>
6635 * config.gcc (*-*-darwin*): Only one target-specific header file
6637 (powerpc-*-darwin*): Add version-specific header files.
6638 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
6639 * config.in: Regenerate.
6640 * configure: Regenerate.
6641 * gcc.c: Include xregex.h.
6642 (version_compare_spec_function): New.
6643 (spec_function): Add version-compare.
6644 (replace_outfile_spec_function): Reformat comment.
6645 (compare_version_strings): New.
6646 * config/darwin-c.c (version_as_macro): New.
6647 (builtin_define): New.
6648 (darwin_cpp_builtins): New.
6649 * config/darwin-protos.h (darwin_cpp_builtins): New.
6650 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
6651 (LIB_SPEC): Make unconditional, update comment.
6652 (TARGET_C99_FUNCTIONS): Define.
6653 * config/darwin.opt: Sort.
6654 (mmacosx-version-min=): New.
6655 * config/darwin7.h: Delete.
6656 * config/darwin8.h: Delete.
6657 * config/i386/darwin.h (): Call darwin_cpp_builtins.
6658 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
6659 (TARGET_C99_FUNCTIONS): Define.
6660 * config/rs6000/darwin7.h: New.
6661 * config/rs6000/darwin8.h: New.
6662 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
6663 (-mmacosx-version-min): Document.
6665 2005-07-07 Ian Lance Taylor <ian@airs.com>
6667 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
6669 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
6672 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
6674 2005-07-07 Khem Raj <kraj@mvista.com>
6676 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
6677 in bytes, not words.
6679 2005-07-07 Paul Brook <paul@codesourcery.com>
6681 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
6682 DEFAULT_FUNCTION_ARG_PADDING to upward.
6684 2005-07-07 Richard Henderson <rth@redhat.com>
6686 * function.c (locate_and_pad_parm): Record parameter alignment in
6687 stack_alignment_needed.
6689 2005-07-07 David Edelsohn <edelsohn@gnu.org>
6691 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
6692 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
6693 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
6694 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
6695 (define_attr "type"): Add isync, sync, load_l, store_c.
6696 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
6697 Create scratch volatile MEM.
6698 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
6700 (load_locked_<mode>): New.
6701 (store_conditional_<mode>): New.
6702 (sync_compare_and_swap<mode>): Replace with splitter.
6703 (sync_lock_test_and_set<mode>): Replace with splitter.
6704 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
6706 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
6707 is ics. Attribute isync.
6708 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
6710 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
6711 and UNSPECV_SYNC_OP.
6712 (emit_unlikely_jump): New.
6713 (emit_load_locked): New.
6714 (emit_store_conditional): New.
6715 (rs6000_split_compare_and_swap): New.
6716 (rs6000_split_lock_test_and_set): New.
6717 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
6718 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
6719 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
6720 rs6000_split_lock_test_and_set): Declare.
6721 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
6722 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
6723 store_c, isync, sync.
6725 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
6727 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
6728 filenames to gtyp-gen.h.
6729 (s-typ-gen): Use it in place of for loops.
6731 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
6733 * hooks.c (hook_bool_rtx_int_false): New function.
6734 * hooks.h (hook_bool_rtx_int_false): Declare.
6735 * target-def.h (TARGET_COMMUTATIVE_P): Define.
6736 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
6737 * target.h (struct gcc_target): Add commutative_p member.
6738 * targhooks.c (hook_bool_rtx_commutative_p): New function.
6739 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
6740 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
6741 (pa_commutative_p): New function.
6742 * jump.c (target.h): Include.
6743 (rtx_renumbered_equal_p): Use targetm.commutative_p.
6744 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
6746 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6748 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
6749 (s390_expand_setmem): New.
6750 * config/s390/s390.c: Likewise.
6751 (print_shift_count_operand): Truncate to 12 bits instead of 6.
6753 * config/s390/s390.md: ("setmem<mode>"): Accept character as
6754 general_operand. Call new function "s390_expand_setmem".
6755 ("clrmem_long", "*clrmem_long"): Rewrite to ...
6756 ("setmem_long", "*setmem_long"): ... this.
6758 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6760 * config/s390/s390.c: (optimization_options): Enable
6761 TARGET_MVCLE at -Os.
6762 * doc/invoke.texi: Document changes in default behaviour.
6763 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
6765 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6767 * expr.c: (set_storage_via_setmem): Convert opchar to mode
6768 defined by back-end.
6770 2005-07-07 Jakub Jelinek <jakub@redhat.com>
6772 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
6773 all sets in the pattern.
6774 * config/rs6000/rs6000.md (stack_protect_testsi,
6775 stack_protect_testdi): Likewise.
6777 2005-07-06 Jeff Law <law@redhat.com>
6779 * tree-vrp.c (simplify_using_ranges): Kill.
6780 (vrp_finalize): Remove call to simplify_using_ranges.
6781 (simplify_stmt_using_ranges): New function extracted from
6782 simplify_using_ranges.
6783 (simplify_div_or_mod_using_ranges): Likewise.
6784 (simplify_abs_using_ranges): Likewise.
6785 (simplify_cond_using_ranges): New function.
6786 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
6787 * tree-ssa-propagate.c (substitute_and_fold): Call
6788 simplify_stmt_using_ranges if we have range information.
6790 2005-07-06 James E. Wilson <wilson@specifixinc.com>
6792 * config/ia64/ia64.c (ia64_reorg): Check optimize before
6793 ia64_flag_schedule_isns2.
6795 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
6796 reading/writing general registers.
6797 (ia64_function_arg): Revert 2005-06-18 change.
6799 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
6801 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
6802 (legitimize_tls_address): Use gcc_unreachable instead of abort.
6804 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
6806 * function.c (expand_function_end): Revert part of 2005-06-27
6807 patch. Do sjlj_emit_function_exit_after after return_label.
6809 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
6811 * doc/install.texi (--disable-libssp): New.
6813 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
6815 * doc/invoke.texi: Update -fforce-mem documentation.
6816 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
6817 code for -fforce-mem.
6818 * expmed.c: (store_bit_field,store_fixed_bit_field,
6819 extract_bit_field): Ditto.
6820 * expr.c: (convert_move): Ditto.
6821 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
6822 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
6823 emit_conditional_add,expand_float,expand_fix): Ditto.
6824 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
6825 (common_handle_option): Issue warning when -fforce-mem specified.
6827 2005-07-06 Paul Brook <paul@codesourcery.com>
6829 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
6831 * configure: Regenerate.
6833 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
6835 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
6837 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
6839 Fix PR tree-optimization/22319
6840 Fix PR tree-optimization/22140
6841 Fix PR tree-optimization/22310
6843 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
6844 variable sized types.
6845 Use correct type for intermediate structure on *a = *b structure
6848 2005-07-06 Jakub Jelinek <jakub@redhat.com>
6850 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
6852 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
6853 (machine_function): Move typedef to...
6854 * config/rs6000/rs6000.c (machine_function): ... here. Add
6855 varargs_save_offset field.
6856 (rs6000_stack_t): Remove varargs_size field.
6857 (setup_incoming_varargs): Allocate varargs save area using
6858 assign_stack_local, try to make it as small as possible.
6859 Save offset from virtual_stack_vars_rtx to the save area
6860 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
6861 instead of magic 8 when fp word byte size is used.
6862 (rs6000_va_start): Use cfun->machine->varargs_save_offset
6863 instead of -RS6000_VARARGS_SIZE.
6864 (rs6000_stack_info, debug_stack_info,
6865 rs6000_initial_elimination_offset): Remove all traces of
6867 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
6868 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
6869 RS6000_VARARGS_AREA.
6871 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6873 PR tree-optimization/21963
6874 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
6875 constant_multiple_of in the same way get_computation_cost_at does.
6877 2005-07-06 Jakub Jelinek <jakub@redhat.com>
6879 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
6880 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
6881 (gen_compare_reg): If sparc_compare_emitted is set, clear it
6882 and return its previous value.
6883 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
6884 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
6886 (stack_protect_set, stack_protect_test): New expanders.
6887 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
6888 stack_protect_testdi): New insns.
6889 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6890 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
6892 2005-07-06 Jeff Law <law@redhat.com>
6894 * tree-ssa-dce.c (cfg_altered): New global.
6895 (tree_dce_init): Initialize cfg_altered.
6896 (remove_dead_stmt): If we remove an edge in the CFG, then set
6898 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
6901 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
6903 * Makefile.in (stamp-collect-ld): Use
6904 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
6905 ./collect-ld if it already exists.
6906 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
6907 Don't remove ./nm if it already exists.
6909 2005-07-05 Devang Patel <dpatel@apple.com>
6911 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
6912 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
6913 * tree-vectorizer.c (vect_loop_location): New.
6914 (vect_print_dump_info): Use vect_loop_location.
6915 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
6916 (vectorize_loops): Set vect_loop_location.
6917 * tree-vect-analyze.c (vect_analyze_offset_expr,
6918 vect_determin_vectorization_factor, vect_analyze_operations,
6919 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
6920 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
6921 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
6922 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
6923 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
6924 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
6925 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
6926 vect_analyze_loop): Adjust vect_print_dump_info API.
6927 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6928 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
6929 vect_finish_stmt_generation, vectorizable_assignment,
6930 vectorizable_operation, vectorizable_store, vectorizable_load,
6931 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
6932 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
6933 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
6934 vect_transform_loop): Same.
6935 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
6936 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
6939 2005-07-05 Randolph Chung <tausq@debian.org>
6941 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
6942 * configure: Regenerate.
6943 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
6944 (pa_tls_referenced_p): Declare.
6945 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
6946 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
6947 (legitimize_tls_address): New.
6948 (hppa_legitimize_address): Handle TLS addresses.
6949 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
6950 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6951 (emit_move_sequence): Handle TLS addresses.
6952 (pa_encode_section_info): Call default handler to handle common
6954 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
6955 (CONSTANT_ADDRESS_P): Reject TLS operands.
6956 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
6957 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
6958 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
6959 (UNSPEC_TLSLE): Define new constants.
6960 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
6961 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
6962 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
6963 (tie_symbolic_operand, tle_symbolic_operand): New
6965 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
6967 * aclocal.m4: Update macros for autoconf 2.59 style.
6968 * configure.ac: Likewise.
6970 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6972 * pa.c (function_value): Handle small aggregates on 32-bit targets.
6973 (function_arg): Pass small aggregates in general registers on 32-bit
6975 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
6977 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
6979 * Makefile.in (final.o): Fix dependencies.
6981 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
6985 * langhooks.h (struct lang_hooks): Add expr_to_decl.
6986 * langhooks.c (lhd_expr_to_decl): New.
6987 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
6989 (LANG_HOOKS_INITIALIZER): Update.
6990 * tree.c (recompute_tree_invarant_for_addr_expr): Call
6991 expr_to_decl langhook.
6992 * c-tree.h (c_expr_to_decl): Declare.
6993 * c-typeck.c (c_expr_to_decl): New.
6994 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
6996 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
6998 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
7001 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
7002 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
7004 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
7006 * Makefile.in: Adjust dependencies.
7007 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
7008 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
7009 * alias.c (rest_of_handle_cfg, pass_cfg): New.
7010 * bb-reorder.c (duplicate_computed_gotos): Make it static.
7011 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
7012 rest_of_compilation.
7014 * bb-reorder.c (gate_duplicate_computed_gotos,
7015 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
7016 rest_of_handle_reorder_blocks, pass_reorder_blocks,
7017 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
7018 pass_partition_blocks): New.
7019 * bt-load.c (gate_handle_branch_target_load_optimize,
7020 rest_of_handle_branch_target_load_optimize,
7021 pass_branch_target_load_optimize): New.
7022 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
7024 * cfglayout.c (pass_insn_locators_initialize): New.
7025 * cfgrtl.c (pass_free_cfg): New.
7026 * combine.c (gate_handle_combine, rest_of_handle_combine,
7028 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
7029 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
7030 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
7031 * except.c (pass_set_nothrow_function_flags,
7032 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
7034 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
7035 rest_of_handle_shorten_branches, pass_shorten_branches,
7036 rest_of_clean_state, pass_clean_state): New.
7037 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
7038 rest_of_handle_remove_death_notes, pass_remove_death_notes,
7039 rest_of_handle_life, pass_life, rest_of_handle_flow2,
7041 * function.c (pass_instantiate_virtual_regs, pass_init_function,
7042 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
7043 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
7044 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
7046 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
7047 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
7048 pass_rtl_ifcvt, gate_handle_if_after_combine,
7049 rest_of_handle_if_after_combine, pass_if_after_combine,
7050 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
7051 pass_if_after_reload): New.
7052 * integrate.c (pass_initial_value_sets): New.
7053 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
7054 pass_purge_lineno_notes): New.
7055 * mode-switching.c (rest_of_handle_mode_switching,
7056 pass_mode_switching): New.
7057 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
7058 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
7060 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
7061 pass_loop_optimize): New.
7062 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
7064 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
7066 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
7067 pass_postreload_cse): New.
7068 * profile.c (gate_handle_profiling, pass_profiling,
7069 rest_of_handle_branch_prob, pass_branch_prob): New.
7070 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
7071 pass_split_before_regstack, gate_handle_split_before_regstack,
7072 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
7073 rest_of_handle_split_all_insns, pass_split_all_insns): New.
7074 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
7075 pass_stack_regs): New.
7076 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
7077 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
7078 pass_stack_adjustments): New.
7079 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
7080 pass_regrename): New.
7081 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
7082 pass_delay_slots, gate_handle_machine_reorg,
7083 rest_of_handle_machine_reorg, pass_machine_reorg): New.
7084 * rtl.h (extern void purge_line_number_notes): New.
7085 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
7086 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
7088 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
7090 * value-prof.c (gate_handle_value_profile_transformations,
7091 rest_of_handle_value_profile_transformations,
7092 pass_value_profile_transformations): New.
7093 * var-tracking.c (gate_handle_var_tracking,
7094 pass_variable_tracking): New.
7095 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
7097 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
7098 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
7099 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
7100 rest_of_handle_old_regalloc, rest_of_handle_regrename,
7101 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
7102 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
7103 rest_of_handle_gcse2, rest_of_handle_regmove,
7104 rest_of_handle_tracer, rest_of_handle_if_conversion,
7105 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
7106 rest_of_handle_web, rest_of_handle_branch_prob,
7107 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
7108 rest_of_handle_jump_bypass, rest_of_handle_combine,
7109 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7110 rest_of_handle_gcse, rest_of_handle_loop_optimize,
7111 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
7112 rest_of_handle_mode_switching, rest_of_handle_jump,
7113 rest_of_handle_eh, rest_of_handle_stack_adjustments,
7114 rest_of_handle_flow2, rest_of_handle_jump2,
7115 rest_of_handle_peephole2, rest_of_handle_postreload,
7116 rest_of_handle_shorten_branches, rest_of_clean_state,
7117 rest_of_compilation): Remove.
7119 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
7120 * passes.c (dump_flags, in_gimple_form, all_passes,
7121 all_ipa_passes, all_lowering_passes, register_one_dump_file,
7122 register_dump_files, next_pass_1, last_verified, execute_todo,
7123 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
7124 from tree-optimize.c.
7125 (init_optimization_passes): Moved from tree-optimize.c,
7126 adding the RTL optimizations.
7127 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
7128 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
7129 all_ipa_passes, all_lowering_passes, register_one_dump_file,
7130 register_dump_files, next_pass_1, last_verified, execute_todo,
7131 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
7132 init_tree_optimization_passes, ipa_passes): Delete.
7133 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
7135 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
7136 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
7138 (ipa_passes): Remove.
7139 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
7140 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
7141 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
7142 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
7143 (dump_info_p, dump_flag): Moved to tree-dump.h.
7145 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
7147 * passes.c (finish_optimization_passes): Use dump_begin
7148 and dump_end, TDI_end.
7149 (gate_rest_of_compilation): New.
7150 (pass_rest_of_compilation): Use it.
7151 (gate_postreload, pass_postreload): New.
7152 * toplev.c (general_init): Rename init_tree_optimization_passes.
7153 * toplev.h (init_tree_optimization_passes): Rename to
7154 init_optimizations_passes.
7155 * tree-dump.c (dump_flag): Make static.
7156 (dump_files): Remove RTL dumps.
7157 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
7158 pass_cleanup_cfg, pass_free_cfg_annotations,
7159 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
7160 pass_init_datastructures, pass_fixup_cfg): Make non-static.
7161 * tree-pretty-print.c: Include tree-pass.h.
7162 * cgraph.c: Include tree-dump.h.
7164 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
7166 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
7167 Only fall back to saying it points to readonly memory if
7170 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7172 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
7173 * config/m32r/m32r.c (m32r_compute_frame_size,
7174 m32r_expand_prologue): Take current_function_profile into
7175 account whenever we reference
7176 current_function_uses_pic_offset_table.
7177 (m32r_finalize_pic): Remove.
7178 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
7180 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
7182 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
7183 instead of $<. Don't remove ./as if it already exists.
7185 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7188 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
7189 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
7190 for complex modes when generating code for PA 1.0.
7191 (VALID_FP_MODE_P): New macro.
7192 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
7193 sets for all general and floating point modes. Align wide floating
7194 point modes to even register boundaries to comply with architectural
7196 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
7197 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
7198 (VALID_FP_MODE_P): New macro.
7199 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
7200 sets for all general and floating point modes. Align wide floating
7201 point modes to even register boundaries to comply with architectural
7204 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7206 * tree-dump.c (dump_files): Initialize dump number for .cgraph
7209 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7211 * tree-ssa-structalias.c: Don't include expr.h.
7213 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7215 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
7218 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
7220 Fix PR tree-optimization/22279
7222 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
7225 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
7227 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
7229 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
7231 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
7232 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
7233 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
7234 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
7235 config/stormy16/stormy16.c, config/v850/v850.c,
7236 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
7237 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
7238 Avoid "." or "\n" at end of diagnostics and capital letters at
7239 start of diagnostics.
7240 * combine.c, cse.c: Don't translate dump file output.
7241 * toplev.c (print_version): Only translate output if going to
7244 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
7246 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
7247 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
7250 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7252 * pa.c (fix_range): Fix typo in comment.
7254 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
7256 * tree-vrp.c (extract_range_from_assert): Replace
7257 fold (build (...)) with fold_build2.
7259 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7261 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
7262 gcc_gfc_char_table, init_dynamic_gfc_info): New.
7263 (format_types_orig, handle_format_attribute): Add support for
7266 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
7268 * varasm.c (assemble_variable): Fix format specifier thinko.
7270 2005-07-03 Ira Rosen <irar@il.ibm.com>
7272 PR tree-optimization/22029 (and 22135)
7273 * tree-pretty-print.c (dump_generic_node): Check that the node is not
7274 a phi node before calling dump_vops.
7276 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
7278 * tree-dump.h (dump_string_field): Declare.
7279 * tree-dump.c: Use it instead of dump_string.
7280 (dump_string_field): Make non-static.
7282 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
7284 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
7285 up the minimal CFG stuff always when optimize > 0. Call
7286 split_all_insns_noflow in PIC case if needed.
7288 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
7289 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
7292 * c-decl.c (c_write_global_declarations): Dump contents of
7294 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
7295 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
7296 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
7297 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
7300 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
7302 * c-common.h (GCC_DIAG_STYLE): Define.
7303 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
7304 version for format checking to 4.1.
7305 * c-format.c: Include toplev.h after c-common.h.
7306 (enum format_type): Add gcc_tdiag_format_type.
7307 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
7308 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
7309 (format_types_orig): Add gcc_tdiag.
7310 (init_dynamic_diag_info): Support gcc_tdiag formats.
7311 (handle_format_attribute): Likewise.
7312 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
7313 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
7314 version for format checking to 4.1.
7315 (warning0, warning, error, pedwarn, sorry): Use
7317 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
7318 (finish_aliases_1): Do not use %qE.
7319 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
7320 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
7321 Correct format bugs.
7322 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
7323 parameter to unsigned HOST_WIDE_INT.
7324 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
7326 2005-07-02 David Edelsohn <edelsohn@gnu.org>
7329 * expr.c (write_complex_part): Use adjust_address for MEM.
7330 (read_complex_part): Same.
7332 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
7334 Fix PR tree-optimization/22280
7336 * tree-sra.c (generate_element_init): Remove useless loop.
7338 2005-07-02 Richard Henderson <rth@redhat.com>
7340 * config/alpha/alpha.c (alpha_legitimize_address): Check for
7342 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
7344 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
7347 * fold-const.c (fold_binary): Handle the return value of
7348 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
7349 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
7351 2005-07-02 Jeff Law <law@redhat.com>
7353 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
7354 a eliminate type conversion which feeds an equality comparison
7355 if the original type or either operand in the comparison is a
7358 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
7360 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
7361 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
7363 * config/avr/avr.c: Do not use '`' as left quote.
7364 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
7365 Remove "." from end of diagnostics. Make diagnostics start with
7368 2005-07-02 Zack Weinberg <zack@codesourcery.com>
7369 Joseph S. Myers <joseph@codesourcery.com>
7371 * toplev.c (default_tree_printer): Handle setting location with
7373 * c-objc.common.c (c_tree_printer): Likewise.
7374 * c-format.c (gcc_diag_flag_specs): Add '+'.
7375 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
7376 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
7378 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
7379 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
7380 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
7381 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
7382 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
7383 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
7384 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
7385 format arguments where %J is used without %D.
7387 2005-07-02 Jakub Jelinek <jakub@redhat.com>
7389 * gcc.c (LINK_SSP_SPEC): Define.
7390 (link_ssp_spec): New variable.
7391 (LINK_COMMAND_SPEC): Add %(link_ssp).
7392 (static_specs): Add link_ssp_spec.
7393 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
7394 * configure: Rebuilt.
7395 * config.in: Rebuilt.
7397 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7398 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7399 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7400 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7401 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
7402 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
7403 -0x7008(2) instead of reading __stack_chk_guard variable.
7404 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
7406 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
7407 (stack_protect_set, stack_protect_test): Use *_tls* patterns
7408 if TARGET_THREAD_SSP_OFFSET is defined.
7409 (stack_tls_protect_set_si, stack_tls_protect_set_di,
7410 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
7413 2005-06-27 Richard Henderson <rth@redhat.com>
7414 * libgcc-std.ver (GCC_4.1.0): New.
7415 * libgcc.h (__stack_chk_guard): Declare.
7416 (__stack_chk_fail, __stack_chk_fail_local): Declare.
7417 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
7418 * mklibgcc.in (lib2funcs): Add them.
7420 2005-07-01 Richard Henderson <rth@redhat.com>
7422 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
7423 void * before struct sigcontext *.
7424 (x86_fallback_frame_state): Likewise.
7426 2005-07-01 James E. Wilson <wilson@specifixinc.com>
7428 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
7430 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7433 * tree-ssa-reassoc.c (should_transpose): Fix which operand
7434 we check for SSA_NAME for.
7436 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
7438 Fix PR tree-optimization/22071
7440 * tree-ssa-structalias.c (offset_overlaps_with_access): New
7442 (get_constraint_for_component_ref): Use it.
7444 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7447 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
7448 print out the last new line.
7450 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
7452 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
7453 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
7454 * config/cris/cris.c (cris_conditional_register_usage): Adjust
7455 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
7456 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
7457 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
7458 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
7459 (enum reg_class): New member CC0_REGS.
7460 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
7461 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7462 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
7463 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
7464 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7465 Adjust for register now described.
7467 2005-07-01 Jakub Jelinek <jakub@redhat.com>
7470 * config/i386/i386.md (stack_protect_test_si,
7471 stack_protect_test_di): Add earlyclobber for scratch 3.
7472 * config/rs6000/rs6000.md (stack_protect_testsi,
7473 stack_protect_testdi): Add earlyclobber for scratch 3,
7474 remove earlyclobber from scratch 4.
7476 Older entries for 2005 can be found in ChangeLog-2005.