1 2005-10-10 Nick Clifton <nickc@redhat.com>
3 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
4 describing the deleted arm_gen_rotated_half_load function.
6 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
8 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
11 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
13 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
15 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
16 (EXTRA_MULTILIB_PARTS): Define.
17 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
18 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
19 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
20 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
21 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
22 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
24 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
26 PR tree-optimization/24226
27 * tree-cfg.c (remove_bb): Clean up unreachable loops.
28 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
29 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
32 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
34 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
36 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
39 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
40 Rewrite for no need for the early clobber.
42 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
44 Merge from csl-arm-branch:
45 2005-09-07 Paul Brook <paul@codesourcery.com>
46 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
49 2005-04-30 Paul Brook <paul@codesourcery.com>
50 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
51 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
53 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
54 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
55 (arm_override_options): Use TARGET_AAPCS_BASED.
56 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
57 (PTRDIFF_TYPE): Use int for AAPCS.
58 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
59 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
60 (DEFAULT_SHORT_ENUMS): Delete.
61 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
63 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
64 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
65 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
66 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
68 2004-12-03 Mark Mitchell <mark@codesourcery.com>
69 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
71 2004-11-22 Mark Mitchell <mark@codesourcery.com>
72 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
74 2004-11-19 Mark Mitchell <mark@codesourcery.com>
75 * config.gcc (arm*-*-linux-gnueabi): Add it.
76 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
78 (TARGET_OS_CPP_BUILTINS): Likeiwse.
79 * config/arm/linux-eabi.h: New file.
80 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
81 (LINUX_TARET_LINK_SPEC): Likewise.
83 * config/arm/t-linux-eabi: New file.
85 2005-10-08 Steven Bosscher <stevenb@suse.de>
88 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
90 (PARAM_SMS_DFA_HISTORY): Likewise.
92 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
95 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
96 (load_register_parameters): Call it.
97 (check_sibcall_argument_overlap_1): Likewise.
98 (store_one_arg): Likewise.
100 2005-10-07 James E. Wilson <wilson@specifix.com>
102 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
103 DImode not VECINT24 for operand 2.
106 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
110 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
111 fr_spill): Use destination_operand for operand 0.
113 2005-10-07 DJ Delorie <dj@redhat.com>
115 * varasm.c (output_constant): Limit error to expanding
118 2005-10-07 Richard Guenther <rguenther@suse.de>
121 * fold-const.c (fold_binary): Fix operand types during folding
122 of X op (A, Y). Evaluation order of the side-effects of
123 X and A are frontend-defined, so ensure we honour that even for
124 tcc_comparison class operands; eased by removing duplicate code.
126 2005-10-07 Steve Ellcey <sje@cup.hp.com>
128 * stor-layout.c (layout_type): Do not allow alignment of array
129 elements to be greater than their size.
131 2005-10-07 Steve Ellcey <sje@cup.hp.com>
133 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
135 (hppa*-*-linux*): Ditto.
136 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
137 * config/host-hpux.c: New.
138 * config/x-hpux: New.
139 * config/pa/x-hpux: Remove.
140 * config/pa/x-linux: Remove.
141 * config/pa/pa-host.c: Remove.
143 2005-10-07 Jeff Law <law@redhat.com>
145 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
146 determine whether or not to try and thread outgoing edges.
148 2005-10-07 David Edelsohn <edelsohn@gnu.org>
150 * config/rs6000/rs6000.md (eqsi_power): New.
151 (neg_eq0si): Add TARGET_POWER to final condition.
154 2005-10-06 Richard Henderson <rth@redhat.com>
156 * config/rs6000/rs6000.c: Revert last change.
158 2005-10-06 Richard Henderson <rth@redhat.com>
160 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
161 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
163 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
167 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
168 out return_label and naked_return_label.
170 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
172 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
175 2005-10-06 Richard Henderson <rth@redhat.com>
178 * tree-inline.c (declare_return_variable): Handle modify_dest not
181 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
183 Fix PR tree-optimization/22488
184 * tree-ssa-structalias.c (check_for_overlaps): New function.
185 (create_variable_info_for): Use it.
187 2005-10-06 Richard Henderson <rth@redhat.com>
190 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
191 (dwarf2out_start_source_file): Print it.
193 2005-10-06 Geoffrey Keating <geoffk@apple.com>
195 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
197 2005-10-06 Richard Henderson <rth@redhat.com>
200 * mode-switching.c (optimize_mode_switching): Clear transp bit
201 for block with incomming abnormal edges.
203 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
204 (fpscr_set_from_mem): Use them.
205 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
206 (fpscr postinc splitters): Rewrite as peephole2+split.
208 2005-10-06 David Edelsohn <edelsohn@gnu.org>
210 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
211 (eq<mode>_compare): Same.
213 2005-10-06 Richard Guenther <rguenther@suse.de>
215 PR tree-optimization/24238
216 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
218 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
220 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
221 here. Use AC_PATH_PROG for environment variables instead of
223 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
225 * configure: Regenerated.
227 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
230 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
231 then force it into a register.
232 (call_value): Likewise.
234 2005-10-06 Richard Henderson <rth@redhat.com>
237 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
238 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
239 under pass_vectorize.
241 2005-10-05 Devang Patel <dpatel@apple.com>
244 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
245 handling constants. Check NAMESPACE_DECL context for constants.
247 2005-10-05 Eric Christopher <echristo@apple.com>
249 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
251 2005-10-05 Richard Henderson <rth@redhat.com>
254 * tree-cfg.c (mark_array_ref_addressable_1): New.
255 (mark_array_ref_addressable): New.
256 * tree-flow.h (mark_array_ref_addressable): Declare.
257 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
259 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
263 * reload.c (subst_reloads): When adding a REG_LABEL to a
264 jump instruction, also update JUMP_LABEL.
266 2005-10-05 David Edelsohn <edelsohn@gnu.org>
268 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
269 * bb-reorder.c (copy_bb_p): Use it.
270 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
272 2005-10-05 Richard Henderson <rth@redhat.com>
275 * toplev.c (process_options): Warn about unsupported combinations
276 of unwind tables and omit-frame-pointer.
277 * config/i386/i386.c (override_options): Similarly. Enable
278 accumulate-outgoing-args if not explicitly disabled.
280 2005-10-05 Steve Ellcey <sje@cup.hp.com>
282 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
283 Handle big endian vs. small endian.
284 (vec_initv2sf): Handle big endian vs. small endian.
285 (*vec_extractv2sf_1): Ditto.
287 2005-10-05 Dale Johannesen <dalej@apple.com>
289 * convert.c (convert_to_real): Don't convert
290 (float)floor(double d) to floorf((float)d).
292 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
294 * config/arm/arm.md (insv): Use gen_int_mode in more places.
296 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
298 PR tree-optimization/18587
299 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
300 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
301 build_vuses): Change to VEC type.
302 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
303 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
304 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
305 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
306 (get_name_decl): New. Return DECL_UID of base variable.
307 (operand_build_cmp): New. qsort comparison routine.
308 (operand_build_sort_virtual): New. Sort virtual build vector.
309 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
310 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
311 (FINALIZE_BASE): Use get_name_decl.
312 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
313 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
314 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
315 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
316 direct VEC_* manipulations.
317 (build_ssa_operands): Call operand_build_sort_virtual.
318 (copy_virtual_operand, create_ssa_artficial_load_stmt,
319 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
320 with direct VEC_* manipulations.
321 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
322 with direct VEC manipulations.
324 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
326 PR tree-optimization/21419
327 PR tree-optimization/24146
328 PR tree-optimization/24151
330 * c-typeck.c (readonly_error): Handle USE being lv_asm.
331 (build_asm_expr): Call it if outputs are read-only.
332 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
334 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
335 Paolo Bonzini <bonzini@gnu.org>
339 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
340 enable the instructions and not just the built-ins.
341 * doc/invoke.texi (x86 Options): Likewise.
343 2005-10-04 Geoffrey Keating <geoffk@apple.com>
345 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
347 * doc/invoke.texi (Option Summary): Correct spelling
348 of -mmacosx-version-min.
350 2005-10-04 Devang Patel <dpatel@apple.com>
352 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
355 2005-10-04 Steve Ellcey <sje@cup.hp.com>
357 * tree-vect-transform.c (vect_create_epilog_for_reduction):
358 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
360 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
362 * config/s390/s390.md ("TDSI","DP"): New mode macros.
363 ("TE","tg"): New mode attributes.
364 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
365 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
366 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
367 dword_mode and one for GPRmode.
369 2005-10-04 Ian Lance Taylor <ian@airs.com>
371 PR preprocessor/13726
372 * c-ppoutput.c (cb_include): Add comments parameter, and print out
373 any comments passed in.
375 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
377 * tree.c (annotate_with_file_line): Fix typo.
379 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
382 * builtins.c (fold_builtin_memcmp): When constructing the pointer
383 type used to access data in the inlined length == 1 case, use
384 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
385 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
387 2005-10-04 Uros Bizjak <uros@kss-loka.si>
389 * config/i386/i386.h (TARGET_FISTTP): Enable also for
390 TARGET_SSE3 and only for TARGET_80387.
391 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
392 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
393 Do not depend on TARGET_80387.
395 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
397 * tree.c (last_annotated_node): Change type to location_t*.
398 (annotate_with_file_line): Reflect the change of
399 last_annotated_node type.
401 2005-10-04 Richard Guenther <rguenther@suse.de>
404 * c-decl.c (grokdeclarator): Don't write to fields
407 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
410 * c-decl.c (finish_decl): Use set_user_assembler_name even for
412 * varasm.c (make_decl_rtl): If a register variable does not
413 have a set user assmbler name, error out.
414 Decode the asmspec is now name+1 bypassing '*'.
416 2005-10-04 Steven Bosscher <stevenb@suse.de>
418 PR tree-optimization/23049
419 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
420 of a COND_EXPR is folded before calling fold on the whole rhs of a
421 conditional assignment.
422 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
423 document that a COND_EXPR may appear there.
425 2005-10-03 Diego Novillo <dnovillo@redhat.com>
428 * tree-vrp.c (extract_range_from_assert): If the new numeric
429 range created out of the assertion contradicts the existing
430 numeric range of the ASSERT_EXPR variable, make the new range
433 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
435 * config/sh/sh.c (sh_register_move_cost): Add case for moving
436 from T_REGS to FP register class.
438 2005-10-03 Richard Henderson <rth@redhat.com>
441 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
442 before creating a new one.
444 2005-10-03 David Edelsohn <edelsohn@gnu.org>
446 * config/rs6000/t-aix43 (LDFLAGS): New.
447 * config/rs6000/t-aix52 (LDFLAGS): New.
449 2005-10-03 Ian Lance Taylor <ian@airs.com>
451 * gimplify.c (find_single_pointer_decl_1): New static function.
452 (find_single_pointer_decl): New static function.
453 (internal_get_tmp_var): For a formal variable, set restrict base
454 information if appropriate.
455 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
457 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
458 (DECL_GET_RESTRICT_BASE): Define.
459 (SET_DECL_RESTRICT_BASE): Define.
460 (decl_restrict_base_lookup): Declare.
461 (decl_restrict_base_insert): Declare.
462 (struct tree_decl_with_vis): Add based_on_restrict_p field.
463 * tree.c (restrict_base_for_decl): New static variable.
464 (init_ttree): Initialize restrict_base_for_decl.
465 (copy_node_stat): Copy restrict base information.
466 (decl_restrict_base_lookup): New function.
467 (decl_restrict_base_insert): New function.
468 (print_restrict_base_statistics): New static function.
469 (dump_tree_statistics): Call print_restrict_base_statistics.
471 2005-10-02 Diego Novillo <dnovillo@redhat.com>
474 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
477 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
480 * c-typeck.c (tagged_tu_seen): Rename to ...
481 (tagged_tu_seen_cache): this and add val field.
482 (comptypes): Move functional to comptypes_internal
483 and free tagged_tu_seen.
484 (comptypes_internal): New function and call comptypes_internal
485 instead of comptypes. Speed up by sibcalling
486 tagged_types_tu_compatible_p.
487 (alloc_tagged_tu_seen): New function
488 (free_all_tagged_tu_seen_up_to): New function.
489 (tagged_types_tu_compatible_p): Return the val of the seen two
491 Add that the two types are the same to tagged_tu_seen_base
492 if they are and call comptypes_internal instead of comptypes.
493 <case UNION_TYPE>: Speed up common type where the fields are
495 (function_types_compatible_p): Call comptypes_internal instead of
497 (type_lists_compatible_p): Likewise.
498 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
500 2005-10-02 Matthias Klose <doko@debian.org>
502 * doc/invoke.texi: Fix typo and speling error.
504 2005-10-01 Richard Henderson <rth@redhat.com>
506 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
508 2005-10-01 Mark Mitchell <mark@codesourcery.com>
510 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
511 using --start-group and --end-group.
513 2005-10-01 Diego Novillo <dnovillo@redhat.com>
515 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
516 FIXME note regarding quirky semantics.
518 2005-10-01 Diego Novillo <dnovillo@redhat.com>
521 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
522 non-null range as a last resort.
524 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
525 Diego Novillo <dnovillo@redhat.com>
528 * tree-vrp.c (extract_range_from_assert): For !=
529 assertions, only build an anti-range if LIMIT is a
532 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
534 * arm.md (movqi): On thumb when optimizing, handle loading from
535 memory by describing this as taking a subreg of a zero-extended load
536 into an SImode register.
539 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
541 * reload1.c (merge_assigned_reloads): Do not change any
542 RELOAD_FOR_OUTPUT_ADDRESS reloads.
544 2005-09-30 Geoffrey Keating <geoffk@apple.com>
546 * Makefile.in (LIPO_FOR_TARGET): Define.
547 (STRIP_FOR_TARGET): Define.
549 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
550 before creating new ones. Do symlinks before creating the actual
553 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
554 to work out which multilibs are actually being built.
556 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
558 * tree-vect-transform.c, config/ms1/ms1.md,
559 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
560 Follow spelling conventions.
561 * doc/invoke.texi, doc/md.texi: Fix typos.
563 2005-09-30 Andrew Macleod <amacleod@redat.com>
565 PR tree-optimization/21430
566 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
567 use operands, and set stmt pointer if need be.
568 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
569 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
572 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
575 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
577 2005-09-29 Mark Mitchell <mark@codesourcery.com>
579 * optabs.c (expand_binop): Initialize first_pass_p.
581 2005-09-29 Jakub Jelinek <jakub@redhat.com>
584 * c-decl.c (c_write_global_declarations_1): If any
585 wrapup_global_declaration_2 call returned true, restart the loop.
587 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
589 Fix PR tree-optimization/24117
590 * tree-ssa-structalias.c (find_func_aliases): Strip nops
591 before considering whether to use anyoffset.
593 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
597 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
599 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
601 (swap_commutative_operands_with_target): New.
603 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
606 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
609 2005-09-29 Steven Bosscher <stevenb@suse.de>
611 PR tree-optimization/23911
612 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
613 and IMAGPART_EXPR too.
615 2005-09-28 Mark Mitchell <mark@codesourcery.com>
618 * expmed.c (expand_shift): Move logic to reverse rotation
619 direction when rotating by constants ...
620 * optabs.c (expand_binop): ... here.
621 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
622 (ix86_rotrdi3): New pattern.
623 (rotldi3): Handle 32-bit mode.
624 (ix86_rotldi3): New pattern.
626 2005-09-29 Alan Modra <amodra@bigpond.net.au>
629 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
630 check for numbers that need no bit twiddle.
632 2005-09-28 Geoffrey Keating <geoffk@apple.com>
634 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
635 multilib to be built.
637 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
638 (stage1-start): Delete old libgcc and libunwind before moving
639 anything into the stage directory.
640 (stage2-start): Likewise.
641 (stage3-start): Likewise.
642 (stage4-start): Likewise.
643 (stageprofile-start): Likewise.
644 (stagefeedback-start): Likewise.
645 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
646 header in tm_file and CPU-specific t-darwin in tmake_file.
647 (i[34567]86-*-darwin*): Don't change tm_file.
648 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
649 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
650 shared library stub for target OS version.
651 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
652 (SHLIB_LINK): Don't make SHLIB_SOLINK.
653 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
654 (libgcc_s.%.dylib): New.
656 (install-darwin-libgcc-stubs): New.
657 (INSTALL_LIBGCC): New append.
658 * config/i386/darwin-libgcc.10.4.ver: New.
659 * config/i386/darwin-libgcc.10.5.ver: New.
660 * config/i386/t-darwin: New.
661 * config/rs6000/darwin-libgcc.10.4.ver: New.
662 * config/rs6000/darwin-libgcc.10.5.ver: New.
663 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
664 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
666 2005-09-28 Paul Brook <paul@codesourcery.com>
668 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
671 2005-09-28 Richard Guenther <rguenther@suse.de>
673 PR tree-optimization/23853
674 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
675 host_integerp to verify misalignment value.
677 2005-09-28 Richard Henderson <rth@redhat.com>
679 * builtins.c (get_builtin_sync_mode): New.
680 (expand_builtin_sync_operation): Pass in mode argument.
681 (expand_builtin_compare_and_swap): Likewise.
682 (expand_builtin_lock_test_and_set): Likewise.
683 (expand_builtin_lock_release): Likewise.
684 (expand_builtin): Update to match.
686 2005-09-28 Nick Clifton <nickc@redhat.com>
688 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
689 formatting. Add check to PLUS case to ensure that the offset is
690 within an acceptable range.
692 * config/v850/v850.md (casesi): Disable the generation of the
693 switch pattern as it is not being handled properly at the moment.
695 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
696 for when the high words are identical.
698 2005-09-27 Richard Henderson <rth@redhat.com>
700 * pretty-print.c (pp_base_format): Fix typo for %>.
702 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
703 Devang Patel <dpatel@apple.com>
705 PR tree-optimization/23625
706 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
707 LABEL_EXPR, assertion check.
709 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
711 * optabs.c (no_conflict_move_test): Check if a result of a
712 to-be-moved insn would be clobbered by an originally
715 2005-09-27 Jeff Law <law@redhat.com>
717 * passes.c (init_optimization_passes): Replace copy propagation
718 passes immediately after DOM with phi-only copy propagation
719 pases. Add phi-only copy propagation pass after first DOM pass.
720 * tree-pass.h (pass_phi_only_copy_prop): Declare.
721 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
722 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
723 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
724 to init_copy_prop. Callers updated.
725 (do_phi_only_copy_prop): New function.
726 (pass_phi_only_copy_prop): New pass descriptor.
728 2005-09-27 Nick Clifton <nickc@redhat.com>
730 * libgcc2.c (__popcount_tab): Remove redundant prototype.
732 2005-09-26 Jason Merrill <jason@redhat.com>
735 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
737 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
739 2005-09-26 James E Wilson <wilson@specifix.com>
741 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
742 copyright. Add gcc copyright plus libgcc exception.
743 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
745 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
747 2005-09-26 Jeff Law <law@redhat.com>
749 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
750 about when to iterate.
752 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
755 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
756 for __complex__ double in -mcpu=G5 mode.
758 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
760 PR tree-optimization/23942
761 * Makefile.in (SCEV_H): Depends on PARAMS_H.
762 * tree-scalar-evolution.c: Include params.h.
764 (follow_ssa_edge, follow_ssa_edge_in_rhs,
765 follow_ssa_edge_in_condition_phi_branch,
766 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
767 Change return type to t_bool. Use a parameter to limit the size of
768 trees that are walked before stopping
769 (analyze_evolution_in_loop): Initialize the limit to 0.
770 (follow_ssa_edge): Give up by returning t_dont_know if the limit
771 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
773 2005-09-26 Uros Bizjak <uros@kss-loka.si>
776 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
777 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
779 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
781 * combine.c (make_extraction): Check for valid use of subreg.
783 2005-09-26 Uros Bizjak <uros@kss-loka.si>
786 * config/i386/i386.md ("*fistdi2_1"): New pattern.
787 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
788 ("fist<mode>2_with_temp"): Use only register operands.
790 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
792 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
793 CALL_INSN_FUNCTION_USAGE.
795 2005-09-26 Richard Guenther <rguenther@suse.de>
798 * gcse.c: Include hashtab.h, define ldst entry hashtable.
799 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
800 (ldst_entry): Use the hashtable instead of list-walking.
801 (find_rtx_in_ldst): Likewise.
802 (free_ldst_entry): Free the hashtable.
803 (compute_ld_motion_mems): Create the hashtable.
804 (trim_ld_motion_mems): Remove entry from hashtable if
805 removing it from list.
806 (compute_store_table): Likewise^2.
807 (store_motion): Free hashtable in case we did not see
810 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
812 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
813 and arg1 if we are passing them to fold_build2.
815 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
818 * config/i386/i386.c (ix86_function_regparm): Fix the test for
821 2005-09-25 Richard Henderson <rth@redhat.com>
823 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
824 SYMBOL_REF_TLS_MODEL to be correct.
826 2005-09-24 Richard Henderson <rth@redhat.com>
828 * ipa-type-escape.c (discover_unique_type): Remove dead code at
829 end of function. Reindent.
831 2005-09-24 Ian Lance Taylor <ian@airs.com>
833 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
834 NEGATE_EXPR/BIT_NOT_EXPR case.
836 2005-09-24 Richard Henderson <rth@redhat.com>
838 * c-common.c (handle_mode_attribute): When not modifying in place,
839 create subtypes for enumerations.
840 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
841 * gimplify.c (create_tmp_from_val): Likewise.
843 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
845 * config/i386/i386.md (*tls_global_dynamic_64,
846 *tls_local_dynamic_base_64): Add missing mode to call.
847 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
849 2005-09-24 Jan Hubicka <jh@suse.cz>
851 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
852 (cgraph_clone_node): Likewise.
853 * cgraph.h (cgraph_clone_edge): Update prototype.
854 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
855 duplicated prototypes; add updating argument.
856 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
857 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
859 (cgraph_mark_inline_edge): Likewise.
860 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
861 (cgraph_flatten_node): Likewise.
862 (cgraph_decide_recursive_inlining): Likewise.
863 (cgraph_decide_inlining_of_small_function): Likewise.
864 * tree-optimize.c (tree_rest_of_compilation): Likewise.
866 2005-09-23 David Edelsohn <edelsohn@gnu.org>
867 Pete Steinmetz <steinmtz@us.ibm.com>
869 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
870 (rldic.): Set type to "compare".
872 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
873 mfjmpr for MFCTR/MFLR.
874 (movdf_hardfloat64): Same.
875 (movdf_softfloat64): Same. Correct order of store and move types.
876 (movti_string): Set type to store_ux/load_ux.
877 (load_multiple): Set type to load_ux.
878 (store_multiple): Set type to store_ux.
879 (movmemsi): Set type to store_ux.
880 (output_cbranch direct_return): Set type to jmpreg.
881 (stmw): Set type to store_ux.
882 (lmw): Set type to load_ux.
883 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
884 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
885 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
886 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
887 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
888 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
889 (rios1-fpstore): Increase latency to 3.
890 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
891 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
893 2005-09-23 David Edelsohn <edelsohn@gnu.org>
894 Andrew Pinski <pinskia@physics.uc.edu>
896 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
897 operand2 constraint to "b".
898 (sync_<fetchop_name>di_internal): Same.
899 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
901 (sync_old_<fetchop_name>di_internal): Same.
902 (sync_new_<fetchop_name>si_internal): Same.
903 (sync_new_<fetchop_name>di_internal): Same.
905 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
908 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
909 case, define as macros.
911 PR rtl-optimization/23837
912 * optabs.c (no_conflict_move_test): Don't set must_stay for a
913 clobber / clobber match between dest and p->first.
915 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
916 (no_conflict_move_test): Update comments.
918 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
920 * doc/install.texi: Update URL for Jacks.
921 * doc/sourcebuild.texi: Likewise.
923 2005-09-22 David Edelsohn <edelsohn@gnu.org>
926 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
927 registers when choosing register preferences.
928 (movdf_hardfloat64): Same.
930 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
932 * expmed.c (expand_shift): Don't use the target of the rotate as
933 target for the first expanded shift insn.
934 * testsuite/gcc.dg/20050922-1.c: Testcase added.
936 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
938 PR tree-optimization/22438
939 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
940 preserved iv rhs rewriting specially.
942 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
944 * tree-data-ref.c (analyze_array_indexes): Only estimate when
945 estimate_only is true.
946 * tree-flow.h (ref_contains_indirect_ref): New prototype.
947 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
948 tree-ssa-structalias.c
949 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
950 ref_contains_indirect_ref.
951 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
953 2005-09-21 DJ Delorie <dj@redhat.com>
955 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
957 (mn10300_return_in_memory): Support variable size types also.
958 (mn10300_pass_by_reference): Likewise.
959 (mn10300_function_value): New.
960 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
961 (FUNCTION_OUTGOING_VALUE): Likewise.
962 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
963 * doc/invoke.texi: Document it.
965 2005-09-21 Uros Bizjak <uros@kss-loka.si>
968 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
969 force integer op1 into register for XFmode compares.
971 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
974 * expmed.c (alg_code): Add alg_impossible.
975 (alg_hash_entry): Add cost.
976 (synth_mult): Record alg_impossible in the hash table if
977 multiplication by a given integer is impossble within the
978 limit. Speed up using alg_impossible.
980 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
982 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
983 argument. Allow and set any offset if needs_anyoffset is passed
985 (get_constraint_for): Add argument here too.
987 (do_structure_copy): Pass NULL to get_constraint_for.
988 (handle_ptr_arith): Ditto.
989 (find_func_aliases): Ditto.
991 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
993 PR rtl-optimization/23898
994 * output.h (get_attr_min_length): Declare.
995 * final.c (get_attr_length_1): New function, broken out of:
997 (get_attr_min_length): New function.
998 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
999 (duplicate_computed_gotos): Likewise.
1000 * genattr.c (insn_min_length): Generate declaration.
1001 * genattrtab.c (min_fn, min_attr_value): New functions.
1002 (make_length_attrs): Generate insn_min_length.
1004 2005-09-20 Steve Ellcey <sje@cup.hp.com>
1006 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
1008 2005-09-20 Richard Henderson <rth@redhat.com>
1010 PR tree-optimization/24059
1011 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
1014 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
1016 * c.opt (fextended-identifiers): New.
1017 * c-opts.c (c_common_handle_option): Handle
1018 -fextended-identifiers.
1019 * doc/cpp.texi: Update documentation of extended identifiers.
1020 * doc/cppopts.texi (-fextended-identifiers): Document.
1022 2005-09-20 Jakub Jelinek <jakub@redhat.com>
1024 PR tree-optimization/23929
1025 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
1028 PR tree-optimization/23818
1029 * tree-stdarg.c (execute_optimize_stdarg): Call
1030 calculate_dominance_info.
1032 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1034 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
1035 (analyze_siv_subscript_cst_affine): Add weak SIV test.
1036 (compute_overlap_steps_for_affine_1_2): Use
1037 get_number_of_iters_for_loop.
1038 (analyze_subscript_affine_affine): Check whether difference is
1040 Use get_number_of_iters_for_loop.
1041 Check whether overlap occurs outside of bounds.
1042 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
1044 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
1046 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
1047 base register if possible.
1049 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
1051 PR tree-optimization/18463
1052 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
1053 converting it directly is not possible.
1054 (chrec_convert_aggressive): New function.
1055 * tree-chrec.h (chrec_convert_aggressive): Declare.
1056 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
1057 Fold chrec conversions aggressively if asked to.
1058 (instantiate_parameters): Modified because of changes in
1059 instantiate_parameters_1.
1061 2005-09-19 Richard Henderson <rth@redhat.com>
1063 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
1064 (reduc_splus_v2df): New.
1066 2005-09-19 Richard Sandiford <richard@codesourcery.com>
1068 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
1069 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
1071 2005-09-19 Richard Henderson <rth@redhat.com>
1073 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
1076 2005-09-19 Richard Henderson <rth@redhat.com>
1078 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
1079 (ia64_expand_dot_prod_v8qi): New.
1080 * config/ia64/ia64-protos.h: Update.
1081 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
1082 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
1083 sdot_prodv8qi, sdot_prodv4hi): New.
1084 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
1086 2005-09-19 Richard Henderson <rth@redhat.com>
1089 * real.c (exact_real_truncate): Return false if the format cannot
1090 represent the number as a normal.
1092 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
1093 for a memory source.
1095 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
1097 * tree-ssa-operands.c (swap_tree_operands): Export.
1098 * tree.h (swap_tree_operands): Declare.
1099 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
1100 Call swap_tree_operands.
1102 2005-09-19 Richard Henderson <rth@redhat.com>
1104 * tree-flow.h (merge_alias_info): Declare.
1105 * tree-ssa-copy.c (merge_alias_info): Export.
1106 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
1107 (vect_create_data_ref_ptr): Use create_iv directly.
1108 (vectorizable_load): Use correct types for integer constants.
1109 (vect_generate_tmps_on_preheader): Likewise.
1110 (vect_gen_niters_for_prolog_loop): Likewise.
1112 2005-09-19 Steven Bosscher <stevenb@suse.de>
1114 PR rtl-optimization/23943
1115 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
1117 2005-09-18 Jan Hubicka <jh@suse.cz>
1119 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
1121 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
1123 * varasm.c (output_constant): Do not abort on conversions to union
1124 types between different sizes.
1126 2005-09-18 Richard Guenther <rguenther@suse.de>
1129 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
1132 2005-09-18 Paul Brook <paul@codesourcery.com>
1134 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
1136 2005-09-17 Richard Henderson <rth@redhat.com>
1138 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
1139 * tree-ssa-loop.c (pass_vect_dce): Remove.
1140 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
1143 2005-09-17 Richard Henderson <rth@redhat.com>
1145 * tree-pass.h (pass_vect_dce): Declare.
1146 * passes.c (init_optimization_passes): Add it.
1147 * tree-flow.h (tree_ssa_dce): Declare.
1148 * tree-ssa-dce.c (tree_ssa_dce): Export.
1149 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
1150 (gate_tree_vectorize): ... here.
1151 (pass_vect_dce): New.
1153 2005-09-17 Jan Hubicka <jh@suse.cz>
1155 * except.c (struct eh_status): Turn region_array into vec.
1156 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
1157 convert_from_eh_region_ranges, find_exception_handler_labels,
1158 current_function_has_exception_handlers, assign_filter_values,
1159 build_post_landing_pads, dw2_build_landing_pads,
1160 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
1161 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
1162 foreach_reachable_handler, can_throw_internal_1,
1163 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
1165 (duplicate_eh_region_1): Update region_array.
1166 (duplicate_eh_regions): Resize region_array and avoid recomputing.
1168 2005-09-17 David Edelsohn <edelsohn@gnu.org>
1171 * expmed.c (expand_mult): Substitute simple register for op0 when
1174 2005-09-17 Richard Henderson <rth@redhat.com>
1176 * expr.c (emit_move_via_integer): Add force argument, pass it on
1177 to emit_move_change_mode. Update callers.
1178 (emit_move_complex): Pass true to new force argument.
1179 * function.c (expand_function_end): Move expand_eh_return call
1180 earlier. Merge sub-word complex values into a pseudo before
1181 copying to the return hard register.
1183 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
1185 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
1186 between different sizes.
1188 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
1192 * passes.c (init_optimization_passes): Register dump files for
1195 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
1197 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1198 * config/s390/s390.c (s390_overlap_p): New function.
1199 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1200 peephole2, "*xc" peephole2): Added overlap check to the peephole2
1203 2005-09-16 Richard Guenther <rguenther@suse.de>
1205 * ipa-pure-const.c (static_execute): Free auxiliar information.
1206 * ipa-type-escape.c (discover_unique_type): Free temporary key.
1207 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1209 2005-09-15 DJ Delorie <dj@redhat.com>
1211 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1213 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1215 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1217 (swap_commutative_operands_with_target): New.
1219 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
1221 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1224 (estimate_iters_using_array): New function.
1225 * tree-data-ref.h (estimate_iters_using_array): Prototype
1226 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1227 Use estimate_iters_using_array instead of analyze_array.
1229 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
1231 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1234 2005-09-15 Michael Matz <matz@suse.de>
1236 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1238 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
1240 PR tree-optimization/23835
1241 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1242 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1244 2005-09-14 Richard Henderson <rth@redhat.com>
1246 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1247 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1249 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
1251 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1252 in the ARRAY_TYPE case.
1254 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
1256 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1258 2005-09-14 Uros Bizjak <uros@kss-loka.si>
1261 * tree-vect-transform.c (vectorizable_operation): Return false for
1262 scalar shift operations and for vector shift operations with
1263 non-invariant shift arguments. Use scalar tree operand op1 as
1264 a shift operand when vector shift insn pattern uses scalar shift
1266 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1268 2005-09-14 Olivier Hainque <hainque@adacore.com>
1270 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1271 value if it has side-effects.
1273 2005-09-14 David Edelsohn <edelsohn@gnu.org>
1276 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1278 2005-09-14 Alan Modra <amodra@bigpond.net.au>
1280 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1281 passed as NAME as if it were label at start of function code.
1283 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
1285 * config/sh/sh.md (*movv4sf_i): Add general register cases to
1288 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1290 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1291 as early clobber. Rewrite so the PIC register is not implicitly used.
1293 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1295 * tree.c (annotate_with_file_line): Compare line numbers before
1298 2005-09-13 Uros Bizjak <uros@kss-loka.si>
1301 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1302 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1304 2005-09-13 Ian Lance Taylor <ian@airs.com>
1306 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1307 than a HOST_WIDEST_INT to gen_doloop_begin.
1309 2005-09-13 Diego Novillo <dnovillo@redhat.com>
1311 * tree-dfa.c (dump_variable): Guard against NULL annotations.
1313 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
1315 PR tree-optimize/23817
1316 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1318 2005-09-13 Alan Modra <amodra@bigpond.net.au>
1321 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1322 word before changing the stack pointer. Use gen_frame_mem for MEMs.
1323 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1324 (restore_stack_nonlocal): Likewise.
1325 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1327 2005-09-12 Ian Lance Taylor <ian@airs.com>
1330 * c.opt (ffriend-injection): New C++ option.
1331 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1332 (C++ Dialect Options): Document -ffriend-injection.
1334 2005-09-12 Josh Conner <jconner@apple.com>
1337 * ipa-reference.c (static_execute): Don't mark variables in
1338 named sections TREE_READONLY.
1340 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1342 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1345 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1347 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1348 V_MUST_DEF instead of just the first_use_p.
1349 Don't mark the virtual variables for renaming on the statement which
1351 (pass_dse): Remove TODO_update_ssa.
1353 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
1356 * stor-layout.c (compute_record_mode): For records with a single
1357 field, actually check the field's mode size against the type size.
1359 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1360 registers for TARGET_SHMEDIA.
1361 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1362 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
1363 of GENERAL_REGS and FP_REGS.
1365 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
1367 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1369 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1371 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1372 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1373 are omitted. Exclude stack_tie insn too.
1375 2005-09-11 David Edelsohn <edelsohn@gnu.org>
1377 PR rtl-optimization/23098
1378 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1380 * config/rs6000/rs6000.md (movdf splitter): Use
1381 const_double_operand predicate for TARGET_POWERPC64.
1382 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1383 SYMBOL_REF method to ABI_V4.
1385 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1386 replace_equiv_address.
1387 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1388 rs6000_sr_alias_set and MEM_NOTRAP.
1389 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1391 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
1393 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1394 handle CALL_EXPR again.
1396 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
1398 * arm/predicates.md (alignable_memory_operand): Delete.
1400 2005-09-10 Richard Henderson <rth@redhat.com>
1403 * dbxout.c (dbxout_expand_expr): New.
1404 (dbxout_symbol): Use it.
1406 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
1408 * arm.c (arm_gen_rotated_half_load): Delete.
1409 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1410 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1411 (thumb_set_return_address): Likewise.
1412 (thumb_load_double_from_address): Use adjust_address.
1413 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1414 (extendhsisi2_mem, movhi_bytes): Use change_address.
1415 (movhi): Use widen_memory_access.
1416 (reload_out_df): Use replace_equiv_address.
1417 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1419 2005-09-09 Richard Henderson <rth@redhat.com>
1422 * dbxout.c: Include expr.h.
1423 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1424 (dbxout_symbol): Handle DECL_VALUE_EXPR.
1425 * Makefile.in (dbxout.o): Add EXPR_H.
1427 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
1429 PR tree-optimization/23509
1430 * tree-cfg.c (replace_uses_by): Use replace_exp.
1431 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1432 pointers have name_mem_tag or type_mem_tag set.
1434 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1436 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1437 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1438 of wrongly accessing operands.
1440 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1442 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1443 * tree-chrec.c: Include tree-scalar-evolution.h.
1444 (chrec_convert): Instantiate the base and step before calling
1445 scev_probably_wraps_p that would fail on parametric evolutions.
1446 Collect all the fails into a single section failed_to_convert,
1447 print a diagnostic, and return chrec_dont_know instead of calling
1449 * tree-scalar-evolution.c (loop_closed_phi_def): New.
1450 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1452 (scev_const_prop): Don't replace the definition of a loop closed ssa
1453 phi node by itself, or by another loop closed ssa phi node.
1454 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1455 that base and step are defined.
1457 2005-09-09 Richard Guenther <rguenther@suse.de>
1460 * fold-const.c (fold_ternary): Check truth_value_p before
1461 calling invert_truthvalue.
1463 2005-09-09 Nick Clifton <nickc@redhat.com>
1465 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1466 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1467 dimension of these arrays.
1468 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1470 * longlong.h: Only provide a prototype for the __clz_tab[] array
1471 if this header has not been included from libgcc2.h.
1472 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1474 Provide prototypes for exported functions.
1475 Use the __clz_tab[] and __popcount_tab[] arrays provided by
1478 2005-09-08 Josh Conner <jconner@apple.com>
1482 * expr.c (expand_expr_addr_expr_1): Don't invoke
1483 expand_simple_binop for EXPAND_INITIALIZER.
1485 2005-09-08 Richard Henderson <rth@redhat.com>
1488 * toplev.c (wrapup_global_declaration_1): Split out ...
1489 (wrapup_global_declaration_2): ... from ...
1490 (wrapup_global_declarations): ... here. Return bool.
1491 (check_global_declaration_1): Split out ...
1492 (check_global_declarations): from here.
1493 (emit_debug_global_declarations): New.
1494 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1495 check_global_declaration_1, emit_debug_global_declarations): Declare.
1496 * c-decl.c (c_write_global_declarations_1): Don't create a vector
1497 of decls. Call wrapup_global_declaration_1,
1498 wrapup_global_declaration_2, check_global_declaration_1 directly.
1499 (c_write_global_declarations_2): New.
1501 (c_write_global_declarations): Call c_write_global_declarations_2.
1502 * langhooks.c (write_global_declarations): Call
1503 emit_debug_global_declarations.
1505 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
1506 remove decls that have DECL_RTL_SET_P.
1507 * passes.c (rest_of_decl_compilation): Invoke
1508 cgraph_varpool_finalize_decl for all but functions.
1510 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1512 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
1513 the result of a conversion if the new min and max cannot be compared.
1515 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
1517 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
1518 (override_options): Setting s390_sr_alias_set removed.
1519 (save_fpr, save_gprs): Set alias set to vararg or frame.
1520 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
1521 s390_sr_alias_set with get_frame_alias_set ().
1522 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
1523 get_varargs_alias_set ().
1525 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1529 * c-parser.c (c_parser_objc_method_definition): If the next
1530 token is not "{", error out and don't start the function.
1532 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1534 * tree-vrp.c (extract_range_from_expr): Move the check for non
1535 nullness after the check for gimple invariant.
1537 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1539 * tree.c (host_integerp, tree_low_cst): Correct function comment.
1541 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1544 * config/m32r.md (movmemsi_internal): Canonicalize order of
1545 operands in PLUS component of template.
1547 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
1549 * reload1.c (fixup_eh_region_note): Remove assertion.
1550 (fixup_abnormal_edges): Reverted removal of call to
1551 find_many_sub_basic_blocks made on 2005-08-31.
1553 2005-09-07 Richard Henderson <rth@redhat.com>
1555 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
1556 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
1557 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
1558 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
1559 rearrange for better packing.
1560 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
1561 (lookup_cfa_1): Remove inline marker.
1562 (cfa_equal_p): Split out of ...
1563 (def_cfa_1): ... here. Use INVALID_REGNUM.
1564 (build_cfa_loc): Handle !cfa->indirect.
1565 (frame_pointer_cfa_offset): New.
1566 (dbx_reg_number): Assert register elimination performed; do
1567 leaf register remapping.
1568 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
1569 (eliminate_reg_to_offset): New.
1570 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
1571 for verifiably local stack frame addresses; re-base to CFA.
1572 (mem_loc_descriptor): Remove can_use_fbreg argument.
1573 (concat_loc_descriptor, loc_descriptor): Likewise.
1574 (containing_function_has_frame_base): Remove.
1575 (rtl_for_decl_location): Don't do register elimination or
1576 leaf register remapping here.
1577 (secname_for_decl): Split out from ..
1578 (add_location_or_const_value_attribute): ... here.
1579 (convert_cfa_to_loc_list): New.
1580 (compute_frame_pointer_to_cfa_displacement): New.
1581 (gen_subprogram_die): Use them.
1582 * tree.h (frame_base_decl): Remove.
1583 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
1584 (prologue_stack_adjust): Remove.
1585 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
1586 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
1587 (set_frame_base_location): Remove.
1588 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
1589 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
1590 (vt_add_function_parameters): Don't eliminate_regs.
1591 (vt_initialize): Don't create frame_base_decl.
1593 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1595 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
1596 version of GNU binutils for 4.x and later.
1598 2005-09-06 Mark Mitchell <mark@codesourcery.com>
1600 * ggc-page.c (ggc_push_context): Remove.
1601 (ggc_pop_context): Likewise.
1602 * ggc.h (ggc_push_context): Remove.
1603 (ggc_pop_context): Likewise.
1605 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1608 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
1609 returning from an interrupt handler.
1611 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1614 * config/arc/arc.c (output_shift): Add check for loop count when
1617 2005-09-06 Steven Bosscher <stevenb@suse.de>
1619 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
1621 (abs_replacement): Likewise.
1622 (pass_phiopt): Remove TODO_update_ssa.
1624 2005-09-06 Jakub Jelinek <jakub@redhat.com>
1627 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
1628 if "return with no value, in function returning non-void" warning
1630 * tree-cfg.c (execute_warn_function_return): Don't look at
1631 RETURN_EXPRs with TREE_NO_WARNING set.
1634 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
1635 for internal functions doesn't use registers used by global registers
1636 variables. Use fewer register parameters if there are global register
1639 2005-09-06 Olivier Hainque <hainque@adacore.com>
1640 Eric Botcazou <ebotcazou@adacore.com>
1643 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
1644 when we would be extracting outside its bit span (bitpos+bitsize
1645 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
1646 Ada unchecked conversions.
1648 2005-09-06 Steven Bosscher <stevenb@suse.de>
1650 * tree-ssa-pre.c (try_look_through_load): New function.
1651 (compute_avail): Use it to try to look through loads for some
1652 more useful expressions.
1654 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1656 * simplify-rtx.c (simplify_binary_operation_1): Correct the
1657 condition for detecting cases like (a&a) and (a^a).
1659 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
1661 * common.opt: Add option ftree-vect-loop-version.
1662 * params.def: Add --param vect-max-version-checks.
1663 * doc/invoke.texi: Document ftree-vect-loop-version and
1664 --param vect-max-version-checks.
1665 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
1666 may_misalign_stmts and defines for accessors.
1667 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
1668 LOOP_VINFO_MAY_MISALIGN_STMTS.
1669 (destroy_loop_vec_info): VEC_free for
1670 LOOP_VINFO_MAY_MISALIGN_STMTS.
1671 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1672 Update documentation.
1673 (vect_update_misalignment_for_peel): New.
1674 (vect_enhance_data_refs_alignment): Update to choose loop
1675 peeling or loop versioning if appropriate for the (potentially)
1676 unaligned data references in the loop.
1677 (vect_analyze_data_refs_alignment): Remove call to
1678 vect_enhance_data_refs_alignment so the checks can be done
1680 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
1681 and move up call to vect_analyze_data_refs_alignment.
1682 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
1683 (vect_transform_loop): Add call to loop_version.
1685 2005-09-06 Jakub Jelinek <jakub@redhat.com>
1687 PR rtl-optimization/23098
1688 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
1689 * simplify-rtx.c (constant_pool_reference_p): New function.
1690 * rtl.h (constant_pool_reference_p): New prototype.
1691 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
1692 constant_pool_reference_p in condition and
1693 avoid_constant_pool_reference in preparation statements.
1695 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
1697 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
1698 STRICT_LOW_PART SETs.
1700 2005-09-06 Alan Modra <amodra@bigpond.net.au>
1703 * except.c (sjlj_emit_function_enter): Find the function begin
1704 note even when it's not in first basic block.
1706 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
1708 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
1709 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
1710 * aclocal.m4: Regenerate.
1712 2005-09-05 DJ Delorie <dj@redhat.com>
1714 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
1717 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
1719 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
1720 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
1721 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
1722 Follow spelling conventions.
1723 * doc/invoke.texi: Follow spelling conventions.
1725 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
1727 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
1728 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
1729 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
1731 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
1734 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
1735 (output_stack_adjust): Use gen_tmp_stack_mem.
1736 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
1737 (sh_set_return_address, sh_allocate_initial_value): Likewise.
1738 (sh_get_pr_initial_val): Likewise.
1739 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
1740 (sh_initialize_trampoline): Likewise. Also use adjust_address.
1741 * sh.md (divsi_inv_m0): Use gen_const_mem.
1742 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
1743 (movdf_i4+1): Use gen_tmp_stack_mem.
1744 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
1745 (fpu_switch+2): Likewise.
1746 (movv4sf_i, movv16sf_i): Use adjust_address.
1747 (symGOT_load): Set MEM_NOTRAP_P bit.
1749 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1752 * pa.c (emit_move_sequence): Fix typo in last change.
1754 2005-09-03 Jakub Jelinek <jakub@redhat.com>
1756 PR rtl-optimization/23454
1757 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
1760 2005-09-03 Richard Henderson <rth@redhat.com>
1761 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1764 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
1767 2005-09-02 Nicolas Pitre <nico@cam.org>
1769 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
1770 to bit_count to 32 bits.
1772 2005-08-31 Mark Mitchell <mark@codesourcery.com>
1775 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
1776 generating synthetic loads from volatile lvalues.
1778 005-09-02 Nick Clifton <nickc@redhat.com>
1780 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
1781 __ctzhi2, __clzhi2): New functions.
1783 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
1786 * tree-nested.c (struct var_map_elt): Mark with GTY.
1787 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
1789 (lookup_field_for_decl): Allocate new element in GC memory.
1790 (lookup_tramp_for_decl): Likewise.
1791 (convert_nl_goto_reference): Likewise
1792 (create_nesting_tree): Allocate info in GC memory. Likewise for
1794 (free_nesting_tree): Free with ggc_free instead of free.
1795 (root): New static variable.
1796 (lower_nested_functions): Remove root as local variable. And zero out
1797 root at the end of the function.
1799 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
1801 PR rtl-optimization/20365
1802 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
1803 to short. New member ix.
1804 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
1805 (simplify_plus_minus): Initialize ix members before calling qsort.
1807 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
1809 PR tree-optimization/23626
1810 * tree-cfg.c (replace_uses_by): Clean up eh info.
1812 2005-09-01 DJ Delorie <dj@redhat.com>
1814 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
1817 2005-09-01 David Edelsohn <edelsohn@gnu.org>
1819 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
1820 (rs6000_split_multireg_move): Use replace_equiv_address instead of
1823 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
1825 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
1826 do not issue warning for a variable definition following
1829 2005-09-01 Richard Henderson <rth@redhat.com>
1832 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
1833 conversion to CONST_VECTOR.
1835 2005-09-01 Richard Henderson <rth@redhat.com>
1838 * reload1.c (reload_as_needed): Check !CALL_P before calling
1839 fixup_eh_region_note.
1840 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
1842 2005-09-01 DJ Delorie <dj@redhat.com>
1844 * varasm.c (output_constant): Let the target resolve
1845 conversions of addresses to non-default pointer sizes.
1847 2005-09-01 Nicolas Pitre <nico@cam.org>
1849 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
1850 to alow matching ARM pre-indexed addressing mode.
1851 (arm_override_options): Remove now irrelevant comment.
1853 2005-09-01 Phil Edwards <phil@codesourcery.com>
1855 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
1856 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
1857 * config/i386/vxworks.h: Likewise.
1858 * config/i386/t-vxworksae: New file, for VxWorks AE.
1859 * config/i386/vxworksae.h: Likewise.
1861 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
1863 PR tree-optimization/23410
1864 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
1865 sequence is not wrapping during the first step.
1867 2005-09-01 Jakub Jelinek <jakub@redhat.com>
1870 * dwarf2out.c (base_type_die): Compare char_type_node with
1871 TYPE_MAIN_VARIANT (type), not type.
1873 2005-09-01 Richard Guenther <rguenther@suse.de>
1875 PR tree-optimization/15366
1876 * common.opt: Add -finline-functions-called-once.
1877 Put -fearly-inlining in alphabetically ordered place.
1878 * doc/invoke.texi: Document new option.
1879 * ipa-inline.c (cgraph_decide_inlining): Honour
1880 flag_inline_functions_called_once.
1882 2005-09-01 Jakub Jelinek <jakub@redhat.com>
1884 PR rtl-optimization/23478
1885 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
1886 (alloc_qty): Initialize it.
1887 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
1888 (combine_regs): Combine also n_throwing_calls_crossed fields.
1889 (find_free_reg): Don't attempt to caller-save pseudos crossing
1890 calls that might throw.
1891 * global.c (struct allocno): Add throwing_calls_crossed field.
1892 (global_alloc): Revert 2005-08-22 change. Initialize
1893 throwing_calls_crossed.
1894 (find_reg): Don't attempt to caller-save pseudos crossing calls that
1897 2005-09-01 Alan Modra <amodra@bigpond.net.au>
1900 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
1901 (mask64_operand): Reinstate code prior to 2005-06-11 change.
1902 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
1903 (and64_2_operand): Tweak to use predicate.
1904 (and_operand): Adjust for mask_operand changes.
1905 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
1906 (print_operand): Likewise.
1907 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
1908 (mask64_1or2_operand): Delete.
1909 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
1910 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
1911 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
1912 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1913 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1914 (rotldi3_internal4): Likewise.
1915 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1916 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1917 (ashldi3_internal7): Likewise.
1918 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1919 (ashldi3_internal, ashldi3_internal9 split): Likewise.
1920 (anddi3 split): Don't match mask64_operand.
1921 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
1922 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
1923 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
1924 't' splitter predicate.
1925 (movdi_internal64 + 2): Revert 2005-06-11 change.
1927 2005-08-31 DJ Delorie <dj@redhat.com>
1929 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1930 (m32c_asm_integer): Add support for 32 bit pointers.
1932 2005-08-31 Richard Henderson <rth@redhat.com>
1934 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1935 component-like references for setting MEM_NOTRAP_P.
1937 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1938 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1940 2005-08-31 Richard Henderson <rth@redhat.com>
1942 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1943 into a pseudo before applying gen_lowpart.
1945 2005-08-31 Geoffrey Keating <geoffk@apple.com>
1947 * doc/install.texi (Specific): Update cctools version required
1948 for full functionality.
1949 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1950 linkers as -macosx_version_min.
1952 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
1955 * sh.c (print_operand, %R and %S): Add handling of floating point
1956 registers, memory, constants and invalid operands.
1958 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
1960 * ipa-pure-const.c: Change dump name.
1962 2005-08-31 Uros Bizjak <uros@kss-loka.si>
1965 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1966 to "reg_or_0_operand".
1967 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1969 2005-08-31 Dale Johannesen <dalej@apple.com>
1971 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
1972 loops that count down.
1974 2005-08-31 Richard Henderson <rth@redhat.com>
1977 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1978 (fixup_eh_region_note): New.
1979 (reload_as_needed): Call it.
1980 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1981 don't call find_many_sub_basic_blocks; call verify_flow_info.
1982 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1983 (keep_stack_depressed): Likewise.
1984 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1986 2005-08-31 Richard Henderson <rth@redhat.com>
1988 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1991 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
1993 * expr.c (expand_expr_real_1): Compare size of address
1994 mode to target's address mode size in deciding expansion of
1995 the constant address.
1997 2005-08-31 Richard Guenther <rguenther@suse.de>
2000 * expr.c (all_zeros_p): New function.
2001 (expand_expr_real_1): Handle the case of an all-zero
2002 non-addressable constructor separately.
2004 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
2006 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
2007 arguments, adjust all callers.
2008 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
2010 2005-08-30 Richard Henderson <rth@redhat.com>
2013 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
2014 whenever the mode sizes match.
2016 2005-08-31 Alan Modra <amodra@bigpond.net.au>
2018 * calls.c (load_register_parameters): Fix comment typo.
2019 * expr.c (emit_push_insn): Comment formatting.
2021 2005-08-30 Ian Lance Taylor <ian@airs.com>
2023 * config/i386/x-cygwin (host-cygwin): Change dependency from
2024 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
2026 2005-08-29 Geoffrey Keating <geoffk@apple.com>
2028 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
2031 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2034 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
2035 call to ggc_collect.
2037 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
2040 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
2041 beginning. Remove $(INCLUDES) from all the rules, if following
2042 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
2044 2005-08-29 Jakub Jelinek <jakub@redhat.com>
2047 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
2048 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
2049 not constant, but maxlen is, don't set len to maxlen, rather
2050 set maxlen to len if len is a constant.
2052 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
2054 PR tree-optimization/23475
2055 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
2058 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
2060 Fix PR middle-end/22455
2062 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
2063 Checksum only the parts of the tree that exist for the tree code.
2065 2005-08-28 Dale Johannesen <dalej@apple.com>
2067 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
2069 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
2071 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
2073 2005-08-28 Richard Henderson <rth@redhat.com>
2075 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
2076 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
2079 2005-08-28 Jakub Jelinek <jakub@redhat.com>
2082 * builtins.c (get_memory_rtx): Don't strip nops
2083 in between COMPONENT_REFs.
2085 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
2088 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
2090 (gimplify_modify_expr): Check for zero sized types and gimplify the
2091 rhs and lhs as statements.
2093 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
2096 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
2097 state for return address column of signal frames.
2099 2005-08-27 David Edelsohn <edelsohn@gnu.org>
2102 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
2103 bytes >= 2 not bytes == 2.
2104 (expand_block_move): Same.
2106 2005-08-27 Richard Guenther <rguenther@suse.de>
2109 * config/i386/sse.md (sse2_movsd): Add missing closing
2112 2005-08-27 Paul Brook <paul@codesourcery.com>
2114 * genrecog.c (enum decision_type): Add DT_num_insns.
2115 (struct decision_test): Add u.num_insns.
2116 (add_to_sequence): Add DT_num_insns test.
2117 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
2118 (write_cond, debug_decision_2): Ditto.
2119 (change_state): Assume peep2_next_insn never fails.
2120 Remove "afterward" argument.
2121 (write afterward, write_tree): Update to match.
2122 * recog.c (peep2_current_count): New variable.
2123 (peep2_next_insn): Check it.
2124 (peephole2_optimize): Set peep2_current_count.
2125 * recog.h (peep2_current_count): Declare.
2127 2005-08-26 Josh Conner <jconner@apple.com>
2130 * ipa-pure-const.c (check_tree): Check for volatile-ness
2131 when considering a dereference.
2133 2005-08-27 Jakub Jelinek <jakub@redhat.com>
2135 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
2137 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2139 PR rtl-optimization/23561
2140 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
2141 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
2142 at most LEN bytes long memory fits into the field.
2143 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
2144 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
2145 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
2147 2005-08-26 Richard Henderson <rth@redhat.com>
2150 * loop.c (biased_biv_may_wrap_p): New.
2151 (maybe_eliminate_biv_1): Use it to suppress non-equality
2152 comparison transformations. Delete disabled code.
2154 2005-08-26 Ian Lance Taylor <ian@airs.com>
2156 * combine.c (make_extraction): Avoid reference outside object.
2158 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
2160 * stor-layout.c (finalize_type_size): Restore behaviour for
2161 non-aggregate types to the status quo ante of the patch for
2162 pr 23467. Document why it matters.
2164 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2167 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
2168 array by one element, initialize the BT_LAST element with NULL.
2170 2005-08-26 David Edelsohn <edelsohn@gnu.org>
2172 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
2173 optimizing for size.
2175 (compare_plus_eqsi): Same.
2176 (plus_eqsi_compare): Same.
2177 (neg_eq0<mode>): Same.
2178 (neg_eq<mode>): Same.
2180 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
2183 2005-08-26 Nick Clifton <nickc@redhat.com>
2185 * config/v850/v850.c (ep_memory_operand): Return FALSE if
2186 TARGET_EP is not defined.
2187 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
2188 TARGET_EP is enabled.
2189 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
2190 * config/v850/v850.md (save_all_interrupt): Only use the EP
2191 register if TARGET_EP is defined.
2192 (restore_all_interrupt): Likewise.
2193 * config/v850/lib1funcs.asm: Update functions so that the EP
2194 register is only used if __EP__ is defined.
2196 2005-08-26 David Ung <davidu@mips.com>
2198 * config/mips/mips.c (mips_expand_prologue): Handle case when
2199 generating for MIPS16 and the outgoing argument area is more than
2200 SMALL_OPERAND. Use the frame pointer as temporary to generate the
2203 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
2205 * config/crx/crx.md: Make doloop_end pattern usage controllable
2206 via mloop-nesting=<max-nesting> command line switch. Make sure
2207 the combiner cannot use doloop_end_<mode> in an illegal way.
2208 * config/crx/crx.c: Use regs up to r6 for argument passing.
2209 Refine crx_address_cost (non cst4 displacements are expensive).
2210 * config/crx/crx.opt: Add switch for mloop-nesting=.
2212 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
2214 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2215 (UNSPEC_MVST): New constant.
2217 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
2219 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2220 Reject operands containing eliminable registers.
2221 * testsuite/gcc.dg/20050825-1.c: New testcase.
2223 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2224 Jan Hubicka <jh@suse.cz>
2226 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2228 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2230 PR tree-optimization/23546
2231 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2234 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
2236 * params.def (PARAM_MIN_SPEC_PROB): New.
2237 * sched-rgn.c (MIN_PROBABILITY): Delete.
2238 (compute_trg_info): Convert to PARAM_VALUE.
2239 * doc/invoke.texi (param): Document min-spec-prob.
2241 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
2243 * config/darwin.h: define __PIC__
2244 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2245 TARGET_OS_CPP_BUILTINS macro.
2247 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2249 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2252 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2254 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2256 * cfghooks.c (duplicate_block): Added position where to place
2257 new block as argument.
2258 * cfghooks.h (duplicate_block): Declaration changed.
2259 * cfglayout.c (copy_bbs): Add argument after. Pass it to
2261 * cfglayout.h (copy_bbs): Declaration changed.
2262 * cfgloop.h (loop_version): Declaration changed.
2263 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2264 position to copy_bbs.
2265 (loop_version): Pass position to duplicate_loop_to_header_edge.
2266 Add place_after argument and position new blocks according to
2268 * modulo-sched.c (sms_schedule): Pass place_after argument
2270 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2271 * tree-cfg.c (split_edge_bb_loc): New function.
2272 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2273 to determine position of new blocks.
2274 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2276 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2277 argument to duplicate_block.
2278 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2279 Pass position to copy_bbs.
2281 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2283 * fold-const.c (ptr_difference_const): Use
2284 cst_and_fits_in_hwi instead of host_integerp.
2286 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2288 * config/darwin.c (gen_pic_offset): New.
2289 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
2292 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
2294 PR tree-optimization/23486
2295 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2297 2005-08-23 Phil Edwards <phil@codesourcery.com>
2299 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
2300 remove use_collect2.
2301 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
2303 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
2304 configuration files to override the default value.
2306 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
2307 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2308 * config/vx-common.h: New file, split out from...
2309 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
2310 * config/vxworksae.h: New file, for VxWorks AE.
2311 * config/vxworks.opt: New file.
2312 * config/vxlib.c: Update for VxWorks 6.
2314 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
2315 other MULTILIB_* variables appropriately.
2316 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
2317 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
2318 * config/rs6000/vxworks.h: Update for VxWorks 6.
2319 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
2321 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
2324 * config/darwin.c (machopic_select_section): Remove the hack to
2325 mark "::operator new" and "::operator delete" for coalescing
2326 even though they are not weak.
2328 2005-08-24 Alan Modra <amodra@bigpond.net.au>
2330 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2331 * configure: Regenerate.
2333 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2336 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2338 * convert.c (convert_to_integer, convert_to_vector): Likewise.
2339 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2342 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2344 * config/rs6000/predicates.md (equality_operator): New.
2345 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2346 comparison with a large constant.
2348 2005-08-23 Mark Mitchell <mark@codesourcery.com>
2350 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2352 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
2354 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2355 registers is even, and we have a hardware double precision fp,
2357 (sh_gimplify_va_arg_expr): For floating point arguments, consider
2358 size of current argument when checking if argument was passed in
2361 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2364 * stor-layout.c (finalize_type_size): Dont override
2365 existing alignment with a smaller alignment from the mode.
2367 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2369 * lambda-code.c (lambda_vector_lexico_pos): Moved...
2370 * lambda.h (lambda_vector_lexico_pos): ... here.
2371 * tree-data-ref.c (build_classic_dist_vector): Return false when
2372 the distance vector is lexicographically negative.
2374 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2376 PR tree-optimization/23511
2377 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2378 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2380 2005-08-23 Jakub Jelinek <jakub@redhat.com>
2382 PR tree-optimization/22043
2383 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2384 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2385 If ALLOW_FLEXARR, handle types ending with flexible array member.
2386 Pass false as second argument to recursive count_type_elements calls.
2387 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2388 argument to count_type_elements call.
2389 * tree-sra.c (decide_block_copy): Likewise.
2390 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2391 for a constant-sized object, set cleared as well. Pass true as
2392 second argument to count_type_elements call.
2394 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2397 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2398 from legitimate_small_data_p, and make global. Update use.
2399 Remove forward declaration.
2400 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2402 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2404 2005-08-23 David Edelsohn <edelsohn@gnu.org>
2406 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2407 of scratch intermediates.
2408 (eq<mode>_compare): Same.
2409 (neg_eq0<mode>): New.
2410 (neg_eq<mode>): Convert to define_insn_and_split.
2412 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2415 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2416 stdarg functions, set/clear the fp marker even when no variable
2418 * config/rs6000/sysv4.opt (mprototype): Describe.
2420 2005-08-22 Jakub Jelinek <jakub@redhat.com>
2422 PR rtl-optimization/23478
2423 * regs.h (reg_info): Add throw_calls_crossed.
2424 (REG_N_THROWING_CALLS_CROSSED): Define.
2425 * flow.c (allocate_reg_life_data): Initialize
2426 REG_N_THROWING_CALLS_CROSSED.
2427 (propagate_one_insn, attempt_auto_inc): Update
2428 REG_N_THROWING_CALLS_CROSSED.
2429 * global.c (global_alloc): Don't allocate pseudos across
2430 calls that may throw.
2432 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
2435 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2436 value is inbetween the range if we did not find an exact match.
2438 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
2440 * doc/invoke.texi (Option Summary): Add ms1 options.
2441 * doc/extend.texi: Document interrupt handler attribute for ms1.
2442 * doc/md.texi: Document ms1 constraints.
2443 * config.gcc: Add ms1-*-elf.
2444 * config/ms1/ms1.h: New.
2445 * config/ms1/ms1.c: New.
2446 * config/ms1/ms1.md: New.
2447 * config/ms1/ms1-protos.h: New.
2448 * config/ms1/ABI.txt: New.
2449 * config/ms1/crti.asm: New.
2450 * config/ms1/crtn.asm: New.
2451 * config/ms1/lib2extra-funcs.c: New.
2452 * config/ms1/t-ms1: New.
2453 * config/ms1/ms1.opt: New.
2455 2005-08-22 Ira Rosen <irar@il.ibm.com>
2457 * config/rs6000/altivec.md (xorv4sf3): New.
2458 (negv4sf2, neg<mode>2): Likewise.
2460 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
2463 * config/ia64/ia64.md (divsi3): Check divide by zero.
2464 (udivsi3): Likewise.
2466 (udivdi3): Likewise.
2468 2005-08-21 Jakub Jelinek <jakub@redhat.com>
2470 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2471 up to elem_bitsize bits, not max_bitsize.
2473 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2475 PR tree-optimization/23433
2476 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2477 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2479 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2481 PR tree-optimization/23434
2482 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2483 the iteration bound is not an INTEGER_CST.
2485 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
2487 * tree-vect-transform.c (get_initial_def_for_reduction): Set
2488 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2489 NULL if need_epilog_adjust is false.
2490 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2491 Case 3 always peels first itration, not just for PLUS case, and no need
2492 to use scalar_initial_def here. Create an epilog adjustment only if
2493 scalar_initial_def is not NULL.
2495 (vectorizable_reduction): Remove assert.
2497 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
2500 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
2501 (__moddi3): Likewise.
2502 (__udivdi3): Likewise.
2503 (__umoddi3): Likewise.
2504 (__divsi3): Likewise.
2505 (__modsi3): Likewise.
2506 (__udivsi3): Likewise.
2507 (__umodsi3): Likewise.
2509 2005-08-20 Jakub Jelinek <jakub@redhat.com>
2511 * tree-pass.h (TDF_GRAPH): Define.
2512 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
2513 * passes.c (finish_optimization_passes): Only call
2514 finish_graph_dump_file if TDF_GRAPH is set.
2515 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
2516 NULL. Set TDF_GRAPH bit.
2517 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
2519 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
2521 * arm.h (arm_stack_offsets): Add locals_base field.
2522 * arm.c (arm_get_frame_offsets): Compute it.
2523 (thumb_compute_initial_elimination offset): Make the Thumb frame
2524 pointer point to the base of the local variables.
2525 (thumb_expand_prologue): Update accordingly.
2526 (thumb_expand_epilogue): Likewise.
2528 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
2529 mode of clobbered scratch to DImode. Handle a case that's known to
2532 2005-08-19 David Edelsohn <edelsohn@gnu.org>
2534 * config/rs6000/rs6000.md (gt0<mode>): Delete.
2535 (gt0<mode>_compare): Delete.
2536 (neg_gt0<mode>): Delete.
2538 2005-08-19 Eric Christopher <echristo@apple.com>
2540 * optabs.h: Change CTI_ to COI_.
2543 2005-08-19 James E Wilson <wilson@specifix.com>
2545 * builtins.c (expand_builtin_return_addr): Set
2546 current_function_accesses_prior_frames when count != 0. Use
2547 frame_pointer_rtx when count == 0.
2548 * function.h (struct function): Add accesses_prior_frames field.
2549 (current_function_accesses_prior_frames): Define.
2550 * reload1.c (init_elim_table): Check
2551 current_function_accesses_prior_frames.
2552 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
2554 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2556 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
2557 indicator. Return true if the flowgraph changed during
2560 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2563 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
2564 conditional expression before testing its value.
2566 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2568 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
2570 2005-08-19 Devang Patel <dpatel@apple.com>
2572 PR tree-optimization/23048
2573 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
2574 third parameter. Check whether latch is dominated by exit
2576 (if_convertible_loop_p): Supply exit block itself to
2577 if_convertible_bb_p.
2579 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2582 * arm.md (arm_load_pic_register): Change argument to the mask of
2583 saved registers. Call thumb_find_work_register if we need a
2584 scratch register on Thumb.
2585 (arm_expand_prologue): Pass empty register set to
2586 arm_load_pic_register.
2587 (thumb_expand_prologue): Pass live_regs_mask directly to
2588 arm_load_pic_register.
2589 * arm-protos.h (arm_load_pic_register): Update prototype.
2591 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
2593 * sh.c (find_sole_member): New function.
2594 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
2595 if the record's alignment is larger than the size of its only member.
2597 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2600 * arm.c (thumb_legitimize_reload_address): New function.
2601 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
2602 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
2604 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
2606 * config/crx/crx.c: Implement crx_decompose_address. Reject
2607 symbolic displacements since CRX register relative adressing
2608 mode can't handle unsigned 32-bit values as displacements.
2609 * config/crx/crx.h: Simplify definitions, remove redundant
2610 parenthesis and obsolete macros.
2611 * config/crx/crx.opt: Add new switch for debugging addresses.
2612 * config/crx/crx-protos.h: Add new declarations for above.
2614 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
2617 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
2620 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2622 * collect2.c (dup2): Delete.
2623 * configure.ac: Don't check for dup2.
2625 * config.in, configure: Regenerate.
2627 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
2629 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
2630 record with the type of its only member.
2632 2005-08-18 David Edelsohn <edelsohn@gnu.org>
2634 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
2635 define_insn_and_split.
2636 (plus_ltu<mode>_compare): Same.
2637 (gtu<mode>_compare): Same.
2638 (plus_gtu<mode>_compare): Same.
2640 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
2642 PR tree-optimization/22228
2643 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
2645 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
2646 are recorded in vect_vnames_to_rename for renaming.
2647 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
2648 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
2649 in vect_vnames_to_rename.
2650 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
2651 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
2653 2005-08-18 Jan Hubicka <jh@suse.cz>
2656 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
2657 info only for local statics, not for member variables.
2659 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2661 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
2663 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2665 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
2667 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
2670 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
2672 2005-08-17 James E Wilson <wilson@specifix.com>
2674 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2677 2005-08-17 David Edelsohn <edelsohn@gnu.org>
2679 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
2680 (leu<mode>_compare): Same.
2681 (plus_leu<mode>): Same.
2682 (neg_leu<mode>): Same.
2683 (and_neg_leu<mode): Same.
2684 (ltu<mode>_compare): Same.
2685 (plus_ltu<mode>): Same.
2687 (geu<mode>_compare): Same.
2688 (plus_geu<mode>): Same.
2689 (neg_geu<mode>): Same.
2690 (and_neg_geu<mode>): Same.
2691 (plus_gt<mode>): Same.
2692 (gtu<mode>_compare): Same.
2693 (plus_gtu<mode>): Same.
2695 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
2697 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
2698 Move call_table_data to end. Delete spurious .text.
2699 (callt_save_all_interrupt): Fix comment typo.
2701 2005-08-17 James E Wilson <wilson@specifix.com>
2702 Kevin Winchester <winchester@amirix.com>
2705 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
2707 2005-08-17 Uros Bizjak <uros@kss-loka.si>
2710 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
2711 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
2713 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
2715 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
2716 record with the type of its only member if the modes don't match.
2718 * varasm.c (decode_reg_name): Skip empty additional register names.
2720 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2722 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
2723 lsm_tmp_name_length): New.
2724 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
2725 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
2727 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2728 Andreas Krebbel <krebbel1@de.ibm.com>
2730 * config.gcc: Added z9-109 switch.
2731 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
2732 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
2733 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
2734 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
2735 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
2736 for "z9_109" cpu attribute.
2737 * config/s390/s390.c (z9_109_cost): New processor cost structure.
2738 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
2739 (s390_handle_arch_option): Added z9-109 switch.
2740 (override_options): Set respective cost function for z9-109.
2741 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
2742 (legitimate_reload_constant_p): Accept extended immediates.
2743 (print_operand): Three new output modifiers added: k, m and o.
2744 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
2745 (s390_output_mi_thunk): Use extended immediate when possible.
2746 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
2747 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
2748 (CONSTRAINT_LEN): Added length of O constraint.
2749 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
2750 * config/s390/s390.md ("cpu"): New value z9_109 added.
2751 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
2752 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
2753 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
2754 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
2755 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
2756 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
2757 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
2758 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
2759 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
2760 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2761 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
2762 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
2763 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
2764 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
2765 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
2767 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
2768 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
2769 insns for TARGET_EXTIMM.
2771 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
2773 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
2775 2005-08-17 Nick Clifton <nickc@redhat.com>
2777 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
2778 Call default_encode_section_info.
2780 2005-08-17 Steven Bosscher <stevenb@suse.de>
2782 PR tree-optimization/21574
2783 * tree-ssa-ccp.c (likely_value): If the right hand side is a
2784 constant, return CONSTANT.
2785 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
2786 (ccp_fold, visit_assignment): Likewise.
2787 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
2789 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
2791 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
2792 fold_buildN instead of buildN then fold_initializer or fold.
2793 (build_unary_op): Likewise.
2794 (build_binary_op): Likewise.
2795 * fold-const.c (fold_initializer): Remove.
2796 (fold_build1_initializer): New function.
2797 (fold_build2_initializer): New function.
2798 (fold_build3_initializer): New function.
2799 * tree.h (fold_initializer): Remove.
2800 (fold_build1_initializer): New function.
2801 (fold_build2_initializer): New function.
2802 (fold_build3_initializer): New function.
2804 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
2806 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
2807 (try_move_mult_to_index): Call fold_build2 instead of build2.
2808 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
2809 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
2810 fold_binary_to_constant.
2811 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
2813 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
2814 check if A == gcd (A, B). Remove TYPE argument.
2815 (analyze_offset) Use fold_build2 instead of fold (build.
2816 (create_data_ref): Likewise.
2817 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
2818 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
2821 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
2823 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
2824 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
2826 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
2829 * gimplify.c (zero_sized_type): New function.
2830 (gimplify_modify_expr_rhs): If we have a zero sized type,
2831 replace the statement with an empty statement.
2833 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
2835 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
2838 2005-08-16 Ian Lance Taylor <ian@airs.com>
2840 * doc/tm.texi (Label Output): Correct typo.
2842 2005-08-16 Steven Bosscher <stevenb@suse.de>
2845 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
2846 force_operand will work later on using have_insn_for.
2848 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2850 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
2852 2005-08-16 Ian Lance Taylor <ian@airs.com>
2855 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
2856 vector type, don't try to construct it element by element. Add an
2857 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
2859 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2861 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
2863 2005-08-16 Geoffrey Keating <geoffk@apple.com>
2865 * doc/invoke.texi (Precompiled Headers): Document some more options
2866 which are known to be safe.
2868 2005-08-16 James E Wilson <wilson@specifix.com>
2870 PR tree-optimization/21105
2871 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2872 TREE_OVERFLOW check.
2874 2005-08-16 David Edelsohn <edelsohn@gnu.org>
2876 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
2877 (neg_ltu<mode>): Same.
2879 (neg_gtu<mode>): Same.
2881 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2883 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
2884 (fold_builtin_isdigit): Use fold_buildN.
2885 (build_function_call_expr): Likewise.
2886 * c-typeck.c (c_finish_loop): Likewise.
2888 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
2889 Richard Shann <rshann@superh.com>
2891 PR middle-end/20396:
2892 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
2894 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
2896 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
2898 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
2901 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
2902 arm_compure_save_reg0_reg12_mask to determine when the PIC register
2905 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2908 * fold-const.c (build_range_check): Disable optimization for function
2909 pointer expressions on targets that require function pointer
2912 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
2914 * simplify-rtx.c (simplify_const_relational_operation): When
2915 extracting arguments of a COMPARE, recompute the mode as well.
2917 2005-08-15 Ian Lance Taylor <ian@airs.com>
2919 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2921 2005-08-15 DJ Delorie <dj@redhat.com>
2923 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2925 (movsi_splittable): Allow, but split, moves to the stack.
2926 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2929 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2931 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2932 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2933 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
2935 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2936 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2937 Delete HOST_PTR_PRINTF.
2939 * configure, config.in: Regenerate.
2941 2005-08-15 David Edelsohn <edelsohn@gnu.org>
2943 * config/rs6000/rs6000.md (QHSI): New mode macro.
2944 (wd): Extend mode attr for QImode and HImode
2945 (dbits): New mode attr.
2946 (zero_extend<mode>di2): Convert to mode macro.
2948 2005-08-15 Steve Ellcey <sje@cup.hp.com>
2951 * doc/invoke.texi (-mgnu-ld): Update description.
2954 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2957 * Makefile.in (tree-chrec.o): Depends on real.h.
2958 * tree-chrec.c: Include real.h.
2959 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2960 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2961 * tree-scalar-evolution.c (add_to_evolution_1,
2962 interpret_rhs_modify_expr): Ditto.
2964 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2967 * tree-data-ref.c (estimate_niter_from_size_of_data): When
2968 step is negative compute the estimation from init downwards to zero.
2970 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
2972 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2974 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2976 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2978 (legitimate_reload_constant_p): Fix handling of lliXX operands.
2979 Accept double-word constants that can be split.
2980 * config/s390/s390.md ("movti"): Use 'P' constraint.
2981 ("*movdi_31", "*movdf_31"): Likewise.
2983 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
2985 Fix PR tree-optimization/22615
2987 * tree-ssa-structalias.c (solution_set_add): Handle
2988 first_vi_for_offset returning NULL.
2989 (do_da_constraint): Ditto.
2990 (do_sd_constraint): Ditto.
2991 (do_ds_constraint): Ditto
2992 (find_func_aliases): Ditto.
2993 (build_constraint_graph): RHS is allowed be ANYTHING.
2994 (first_vi_for_offset): Return NULL if we couldn't find anything at
2997 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2999 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
3000 over memory as first operand.
3002 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
3005 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
3006 available for setting it.
3008 2005-08-14 Ira Rosen <irar@il.ibm.com>
3010 PR tree-optimization/23320
3011 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
3012 data-refs' types instead of base object nullness. Add check for
3013 pointer type data-refs before first location comparison. Remove
3016 2005-08-14 Andreas Schwab <schwab@suse.de>
3018 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
3020 2005-08-13 James E Wilson <wilson@specifix.com>
3022 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
3023 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
3024 -fstack-protector-all, --param ssp-buffer-size): Document.
3025 (-Wvariadic-macros): Alphabetize.
3026 (-fsched-stalled-insns-dep): Add missing 'f'.
3028 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
3031 2005-08-13 David Edelsohn <edelsohn@gnu.org>
3033 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
3034 or indirect address operand.
3035 (EXTRA_ADDRESS_CONSTRAINT): New.
3036 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
3038 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
3040 PR tree-optimization/22236
3041 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
3042 successors and predecessors.
3043 * tree-chrec.c (chrec_convert): Before converting, check that
3044 sequences don't wrap.
3045 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
3046 (analyze_array): Extern.
3047 (find_data_references_in_loop): Remove call to
3048 compute_estimated_nb_iterations.
3049 * tree-data-ref.h (analyze_array): Declared.
3050 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
3051 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
3052 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
3053 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
3055 * tree-ssa-loop-ivcanon.c: Fix documentation.
3056 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
3057 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
3058 (infer_loop_bounds_from_undefined): New.
3059 (estimate_numbers_of_iterations_loop): Use
3060 infer_loop_bounds_from_undefined.
3061 (used_in_pointer_arithmetic_p): New.
3062 (scev_probably_wraps_p): Pass an extra parameter. Call
3063 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
3064 (convert_step): Fix documentation.
3065 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
3066 Use initial_condition_in_loop_num and evolution_part_in_loop_num
3067 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
3068 scev_probably_wraps_p.
3070 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3072 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
3073 (s390_register_info): Ignore clobbered_regs information for fixed
3074 registers, and only fixed registers.
3075 (s390_init_frame_layout): Remove redundant call.
3077 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
3079 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
3080 description of -Wold-style-casts.
3082 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3083 Jakub Jelinek <jakub@redhat.com>
3085 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3086 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
3087 * config/s390/s390.c (print_operand): New output modifier 'G' added.
3088 (get_thread_pointer): Renamed to s390_get_thread_pointer.
3089 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
3090 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
3091 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
3092 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3093 ("stack_protect_set", "stack_protect_test"): New expanders.
3094 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
3095 "stack_protect_testdi"): New insn definitions.
3097 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3099 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
3101 2005-08-12 Paul Brook <paul@codesourcery.com>
3103 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
3105 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3107 * config/s390/predicates.md (setmem_operand): New predicate.
3108 (shift_count_operand): Accept ANDs with special constants as
3110 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
3111 with special constants.
3112 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
3113 shift_count_operand with setmem_operand.
3115 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3117 * config/s390/s390.c (s390_extract_part, s390_single_part):
3119 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
3120 (s390_output_mi_thunk): Don't use lg on 31 bit.
3121 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
3122 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
3124 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3126 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
3127 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
3128 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
3129 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
3130 with one of the new macros.
3132 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3134 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
3135 Don't set save_return_addr_p.
3136 (s390_register_info): Make clobbered_regs not depending on
3139 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
3141 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
3142 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
3144 2005-08-11 James E. Wilson <wilson@specifix.com>
3146 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
3148 2005-08-11 Jakub Jelinek <jakub@redhat.com>
3150 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
3151 locations gathered by var-tracking in single entry loc_list
3152 over loc_descriptor_from_tree.
3154 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
3155 pass it down to loc_descriptor.
3156 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
3157 (containing_function_has_frame_base): Move earlier in the file.
3158 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
3159 instead of always assuming fbreg can't be used.
3161 2005-08-11 David Edelsohn <edelsohn@gnu.org>
3163 * config/rs6000/altivec.md: Change constraint "m" to "Z".
3164 * config/rs6000/predicates.md (indexed_or_indirect_operand):
3165 Accept address wrapped in AND for Altivec.
3166 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
3167 Strip AND wrapping offset address for Altivec.
3169 2005-08-11 Richard Henderson <rth@redhat.com>
3172 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
3173 before using TYPE_IS_SIZETYPE.
3175 2005-08-11 Richard Henderson <rth@redhat.com>
3178 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
3179 insn types not present on ev4.
3180 (alphaev5_insn_pipe): Similarly.
3182 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
3185 * arm.c (arm_override_options): If the user has selected callee-super-
3186 interworking, then enable normal interworking.
3188 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3190 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
3193 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
3195 * doc/rtl.texi: Fix two typos.
3197 2005-08-11 Richard Guenther <rguenther@suse.de>
3200 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
3201 cases where we call to/from functions returning void.
3203 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
3206 * tree.c (build_pointer_type_for_mode): Robustify.
3208 2005-08-10 James E Wilson <wilson@specifix.com>
3210 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
3211 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
3213 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
3216 2005-08-10 Eric Christopher <echristo@apple.com>
3218 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
3219 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
3222 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
3225 * config/darwin.c (machopic_indirect_data_reference): Use a new register
3226 for the high part when generating dynamic-no-pic code.
3228 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
3230 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
3231 (x86_64-*-linux*): Likewise.
3233 * config/i386/crtfastmath.c: New file.
3234 * config/i386/t-crtfm: Likewise.
3236 * config/i386/linux.h (ENDFILE_SPEC): New.
3237 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
3239 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3242 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
3244 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
3245 (vec_shl, vec_shr): Document new operations.
3246 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
3248 2005-08-10 David Edelsohn <edelsohn@gnu.org>
3250 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
3251 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
3252 change predicate to indexed_or_indirect_address.
3254 2005-08-10 Richard Sandiford <richard@codesourcery.com>
3256 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
3257 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
3258 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
3259 and __aeabi_uwrite8.
3260 * config/arm/unaligned-funcs.c: New file.
3261 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
3263 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
3265 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
3267 * cfglayout.c (pass_insn_locators_initialize): Add dump.
3268 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
3270 * except.c (pass_convert_to_eh_region_ranges): Add dump.
3271 * final.c (pass_shorten_branches): Add dump.
3272 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
3273 (pass_life): Rename dump.
3274 (rest_of_handle_flow2): Remove initial verify_flow_info.
3275 * function.c (pass_instantiate_virtual_regs): Add dump.
3276 * integrate.c (pass_initial_value_sets): Add dump.
3277 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
3278 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
3279 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
3280 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
3281 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
3282 gate_rtl_unrool_and_peel_loops): New.
3283 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
3284 rtl_doloop): Do not look at flags.
3285 * mode-switching.c (pass_mode_switching): Add dump.
3286 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
3287 pass_split_before_regstack): Add dump.
3288 * regmove.c (pass_stack_adjustments): Add dump.
3289 * tree-optimize.c (pass_fixup_cfg): Add dump.
3291 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3294 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
3295 deciding which instruction sequence to use.
3297 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
3299 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
3300 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
3302 2005-08-09 Richard Guenther <rguenther@suse.de>
3304 * c-common.c (builtin_function_2): Remove.
3305 (def_builtin_1): New function.
3306 (c_common_nodes_and_builtins): Use def_builtin_1 to
3307 build builtin functions.
3309 2005-08-09 Jie Zhang <jie.zhang@analog.com>
3311 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
3312 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3313 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
3316 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3318 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
3319 fold_binary instead of fold_build2 since we don't care about the
3321 (loop_niter_by_eval): Likewise.
3322 (compare_trees): Likewise.
3323 (proved_non_wrapping_p): Likewise.
3325 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3329 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
3330 if the if is really empty.
3332 2005-08-09 Steven Bosscher <stevenb@suse.de>
3334 PR tree-optimization/23234
3335 * tree-ssa-math-opts.c (place_reciprocal): New enum.
3336 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
3337 argument of the new enum.
3338 (execute_cse_reciprocals): Add reciprocals for function arguments
3339 on the unique successor edge of the entry block. Update other calls
3340 to execute_cse_reciprocals_1.
3342 2005-08-08 Richard Henderson <rth@redhat.com>
3345 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3347 2005-08-08 Bob Wilson <bob.wilson@acm.org>
3349 * expr.c (write_complex_part): Return after handling MEM.
3351 2005-08-08 Josh Conner <jconner@apple.com>
3353 PR rtl-optimization/23241
3354 * combine.c (simplify_comparison): Fix error in determining
3355 whether to lift a subreg from comparison.
3357 2005-08-08 David Edelsohn <edelsohn@gnu.org>
3360 * config/rs6000/altivec.md (vec_init<mode>): New.
3361 (vec_set<mode>): New.
3362 (vec_extract<mode>): New.
3363 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3364 (rs6000_expand_vector_set): New.
3365 (rs6000_expand_vector_extract): New.
3366 (rs6000_legitimate_offset_address_p): Offset addresses are valid
3367 for Altivec modes before reload.
3368 (altivec_expand_vec_init_builtin): New.
3369 (get_element_number): New.
3370 (altivec_expand_vec_set_builtin): New.
3371 (altivec_expand_vec_ext_builtin): New.
3372 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3374 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3376 * config/rs6000/rs6000.h (rs6000_builtins): Add
3377 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3378 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3379 * config/rs6000/rs6000-protos.h: Declare new functions.
3381 2005-08-08 Jan Hubicka <jh@suse.cz>
3383 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3384 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3385 * i386.md (movdi*): Use pic_32bit_operand.
3386 * predicates.md (pic_32bit_operand): New.
3388 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
3391 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3393 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
3395 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3396 (test_for_singularity): Use fold_build2.
3398 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3400 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3402 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
3404 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3405 (COMMON_ASM_OP) Define.
3406 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3407 (ix86_encode_section_info): Likewise.
3408 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3409 SUBTARGET_ENCODE_SECTION_INFO.
3411 2005-08-06 Richard Henderson <rth@redhat.com>
3414 * tree-nested.c (convert_local_reference): Save and restore val_only
3415 around component_ref and friends. Clear walk_subtrees by default.
3417 2005-08-06 Peter O'Gorman <peter@pogma.com>
3420 * gcc.c (process_command): Check the argument to -b has a dash.
3421 * doc/invoke.texi: Update -b and -V docs.
3423 2005-08-06 James E Wilson <wilson@specifix.com>
3425 * config/mips/cross64.h, config/mips/t-cross64: Delete.
3427 2005-08-06 Michael Matz <matz@suse.de>
3429 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
3430 member only if only one insn is associated with the value.
3432 2005-08-06 Nick Clifton <nickc@redhat.com>
3434 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
3436 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
3437 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
3438 Check symbol flags instead of symbol name mangling.
3439 (xstormy16_asm_output_aligned_common): Likewise. Also
3440 simplify code since the bss100_section cass is the only case
3441 where the below100 code will be triggered.
3442 (xstormy16_encode_section_info): Encode below100 attribute
3443 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
3445 (xstormy16_strip_name_encoding): Delete - this function is no
3447 (TARGET_STRIP_NAME_ENCODING): Undefine.
3448 * config/stormy16/stormy16-protos.h: Delete prototype for
3449 xstormy16_strip_name_encoding.
3451 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
3453 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
3454 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
3455 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
3456 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
3457 config/alpha/predicates.md, config/arc/arc.h,
3458 config/arm/arm.h, config/arm/ieee754-df.S,
3459 config/arm/ieee754-sf.S, config/bfin/bfin.c,
3460 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
3461 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
3462 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
3463 config/m68hc11/m68hc11.h, config/mips/mips.c,
3464 config/mips/mips.h, config/mips/openbsd.h,
3465 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
3466 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
3467 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3468 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3469 config/sparc/linux.h, config/sparc/linux64.h,
3470 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
3471 doc/extend.texi, doc/gcov.texi, doc/install.texi,
3472 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
3473 typos. Follow spelling conventions.
3475 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
3478 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
3479 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
3480 specially. Check for side effects only for COND_EXPR.
3481 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
3482 return with TREE_NO_WARNING.
3484 2005-08-06 Richard Sandiford <richard@codesourcery.com>
3486 PR rtl-optimization/23233
3487 * loop.c (combine_movables): Require the modes to be the same.
3488 (move_movables): Remove handling of cases where the replacement
3489 had a different mode to the original.
3491 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
3493 PR tree-optimization/23128
3494 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
3495 subtraction wrap, and set TREE_OVERFLOW if they do.
3497 2005-08-05 Richard Henderson <rth@redhat.com>
3500 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
3501 FORCED_LABEL labels.
3503 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
3506 * reload.c (find_reloads_subreg_address): Pass down TYPE
3507 unchanged. Change all callers except find_reloads_toplev.
3509 2005-08-05 Michael Matz <matz@suse.de>
3511 * genattrtab.c (current_alternative_string): Remove.
3512 (SIMPLIFY_ALTERNATIVE): Ditto.
3513 (attr_alt_bit_p): Ditto.
3514 (alternative_name): Make const char *.
3515 (evaluate_eq_attr): Remove use of above things.
3516 (simplify_test_exp): Ditto.
3517 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
3518 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
3520 2005-08-04 James E Wilson <wilson@specifix.com>
3522 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
3523 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
3524 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
3525 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
3526 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
3528 2005-08-04 Richard Henderson <rth@redhat.com>
3531 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
3532 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
3533 * tree-sra.c (decide_block_copy): Use it. Disable element copy
3534 if we'd have to instantiate too many members.
3536 2005-08-04 Richard Henderson <rth@redhat.com>
3539 * tree-outof-ssa.c (coalesce_asm_operands): New.
3540 (coalesce_ssa_name): Use it. Split out ...
3541 (coalesce_phi_operands, coalesce_result_decls): ... these.
3543 2005-08-04 Paul Brook <paul@codesourcery.com>
3545 * read-rtl.c (read_quoted_string): Break if EOF.
3547 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
3549 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
3550 (fold_build2): Likewise.
3551 (fold_build3): Likewise.
3552 (fold_build1_stat): New function prototype.
3553 (fold_build2_stat): Likewise.
3554 (fold_build3_stat): Likewise.
3555 * fold-const.c (fold_build1): Rename to ..
3556 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3557 through to build1_stat.
3558 (fold_build2): Rename to ..
3559 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3560 through to build2_stat.
3561 (fold_build3): Rename to ..
3562 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3563 through to build3_stat.
3565 2005-08-04 David Edelsohn <edelsohn@gnu.org>
3566 Ian Lance Taylor <ian@airs.com>
3568 * function.c (assign_stack_local_1): Do not correct stack slot
3569 address if allocation size is smaller than mode size.
3571 2005-08-04 Diego Novillo <dnovillo@redhat.com>
3574 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
3575 (tree_merge_blocks): Propagate anything allowed by
3577 Clarify documentation.
3578 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
3579 SSA form, schedule an update if necessary.
3581 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
3583 * doc/install.texi (Binaries): Remove broken link to
3584 Sinix/Reliant Unix binaries.
3586 2005-08-03 Richard Henderson <rth@redhat.com>
3589 * function.c (stack_protect_epilogue): Export.
3590 * tree.h (stack_protect_epilogue): Declare.
3591 * calls.c (expand_call): Call it.
3593 2005-08-03 Eric Christopher <echristo@apple.com>
3595 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
3596 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
3599 2005-08-04 Jan Hubicka <jh@suse.cz>
3601 * profile.c (branch_prob): Split edges with goto locus on them
3602 to get proper line counts.
3603 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
3605 2005-08-03 Paul Brook <paul@codesourcery.com>
3607 * function.c (assign_parms): Round current_function_args_size
3608 to PARM_BOUNDARY, not STACK_BOUNDARY.
3610 2005-08-03 Geoffrey Keating <geoffk@apple.com>
3612 * config/i386/i386.c (x86_elf_aligned_common)
3613 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
3615 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
3617 PR tree-optimization/23157
3618 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
3619 before emitting them.
3621 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3623 PR tree-optimization/19899
3624 * Makefile.in (tree-scalar-evolution.o): Add real.h.
3625 * tree-scalar-evolution.c: Include real.h.
3626 (add_to_evolution): Build constant -1 of correct type.
3628 2005-08-03 Jan Hubicka <jh@suse.cz>
3630 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
3631 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
3632 profile updating for complette unrolling.
3633 * loop-unroll.c (peel_loop_completely): Use it.
3634 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
3635 (tree_unroll_loops_completely): Disable code growing unrolling of cold
3638 2005-08-03 Paul Brook <paul@codesourcery.com>
3640 * combine.c (can_change_dest_mode): New function.
3641 (try_combine, simplify_set): Use it.
3643 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
3645 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
3648 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
3650 * doc/install.texi (Specific): Adjust link to openavr.org.
3651 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
3652 (Binaries): Adjust HP-UX Porting Center link.
3653 (Binaries): Adjust Free Software Foundation ordering link.
3655 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
3657 * convert.c (convert_to_integer): Use fold_build1 instead of
3658 build1 when converting an integer to an integer.
3660 2005-08-02 Richard Henderson <rth@redhat.com>
3662 * combine.c (combine_instructions): Don't use reg_equal/equiv
3663 results if the mode doesn't match.
3665 2005-08-02 Mark Mitchell <mark@codesourcery.com>
3667 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
3668 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
3670 2005-08-02 Richard Henderson <rth@redhat.com>
3673 * explow.c (memory_address): Remove special-case for
3674 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
3676 2005-08-02 Diego Novillo <dnovillo@redhat.com>
3679 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
3680 number of calls to cleanup_tree_cfg_1.
3682 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
3684 * doc/invoke.texi: document file extensions .F90 and .F95
3686 2005-08-02 Richard Guenther <rguenther@suse.de>
3688 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
3689 positive if its first argument is positive.
3691 2005-08-02 Richard Guenther <rguenther@suse.de>
3693 PR tree-optimization/23177
3694 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
3697 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
3699 PR tree-optimization/23129
3700 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
3701 varying for divisions with anti-ranges.
3703 2005-08-02 Jan Hubicka <jh@suse.cz>
3705 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
3706 * tree-ssa-threadupdate.c (thread_block): Add it here.
3708 2005-08-01 James E Wilson <wilson@specifix.com>
3710 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
3711 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
3712 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
3714 * config/mips/predicates.md (const_call_insn_operand): Add check for
3715 SYMBOL_REF_LONG_CALL_P.
3716 * doc/extend.texi (long_call): Document the new attribute.
3718 2005-08-01 Ian Lance Taylor <ian@airs.com>
3719 Richard Henderson <rth@redhat.com>
3721 * Makefile.in (RTL_BASE_H): Add real.h.
3722 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
3724 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
3726 * rtl.c (rtl_check_failed_code_mode): New.
3727 * rtl.h (struct rtx_def): Add u.rv.
3728 (XCMWINT, XCNMPRV): New.
3729 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
3730 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
3732 2005-08-01 Richard Henderson <rth@redhat.com>
3734 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
3735 with auto-inc codes.
3737 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
3739 2005-08-01 Jan Hubicka <jh@suse.cz>
3741 * i386-protos.h (asm_preferred_eh_data_format): Declare.
3742 * i386.c: Include dwarf2.h
3743 (asm_preferred_eh_data_format): New.
3744 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
3746 2005-08-01 Ian Lance Taylor <ian@airs.com>
3748 * config/host-linux.c (linux_gt_pch_get_address): Add new name
3749 randomize_va_space for virtual address randomization control.
3751 2005-08-01 Steven Bosscher <stevenb@suse.de>
3753 * common.opt (flag_ipa_cp): Put in right place to maintain
3756 2005-08-01 Jan Hubicka <jh@suse.cz>
3758 * profile.c (compute_value_histograms): Fix thinko.
3759 * value-prof.c: Include toplev.h
3760 (check_counter): New function.
3761 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
3762 tree_mod_subtract_transform): Add sanity check.
3764 2005-08-01 Richard Guenther <rguenther@suse.de>
3766 PR tree-optimization/23133
3767 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
3768 current functions parameter decls to find defs to cse
3771 2005-08-01 Richard Guenther <rguenther@suse.de>
3773 PR tree-optimization/23109
3774 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
3775 If trapping math is in effect, use post-dominator information
3776 to check if we'd in any case reach a trapping point before
3777 doing the reciprocal insertion.
3778 (execute_cse_reciprocals): Compute post-dominators, if necessary.
3779 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
3780 expressions are invariant only if trapping math is not in effect.
3782 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
3784 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
3785 cgraph_function_versioning): New declarations.
3786 * cgraphunit.c: Add include to ipa-prop.h.
3787 (update_call_expr, cgraph_copy_node_for_versioning,
3788 cgraph_function_versioning): New functions.
3789 * integrate.c (copy_decl_for_inlining): Remove.
3790 * ipa-prop.h (ipa_replace_map): New struct.
3791 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
3792 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
3793 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
3794 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
3795 ipcp_iterate_stage, ipcp_method_scale_print,
3796 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
3797 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
3798 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
3799 ipcp_update_bb_counts, ipcp_update_profiling,
3800 ipcp_update_edges_counts): New functions.
3801 (ipcp_method_cval_init): Remove restriction regarding local methods.
3802 (ipcp_init_stage): Add ipcp_method_compute_scale.
3803 (ipcp_insert_stage): Add versioning.
3804 (ipcp_structures_print): Add ipcp_method_scale_print.
3805 (ipcp_driver): Dump profiling info.
3806 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
3807 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
3808 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
3809 (struct inline_data): Add versioning_p, ipa_info, new fields.
3810 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
3811 declare_return_variable): Replace calls to copy_decl_for_inlining with
3813 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
3815 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
3816 Add argument VERSIONING.
3817 (copy_arguments_for_versioning, copy_static_chain,
3818 function_versionable_p, tree_versionable_function_p,
3819 tree_function_versioning, replace_ref_tree): New functions.
3820 * tree-inline.h: Include varray.h.
3821 (tree_versionable_function_p, tree_function_versioning,
3822 tree copy_decl_for_dup): New declarations.
3824 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
3826 * ipa-cp.c: New file. Contains IPCP specific functionality.
3827 * ipa-prop.h: New file. Contains structures/definitions that can be
3828 used by several interprocedural data flow optimizations (and also IPCP).
3829 * ipa-prop.c: New file.
3830 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
3831 * common.opt: Add ipa-cp flag.
3832 * timevar.def: Add IPCP optimization.
3833 * tree-optimize.c (init_tree_optimization_passes): Schedule
3835 * tree-pass.h (pass_ipa_cp): Declare.
3837 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
3839 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
3840 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
3841 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
3842 config/i386/i386.c, config/mips/mips.h,
3843 config/rs6000/rs6000.h, config/sh/sh.c,
3844 config/stormy16/stormy16.c: Fix comment typos.
3846 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
3849 * c-typeck.c (build_binary_op): Use common_type wrapper on
3851 (common_type): Update comment.
3853 2005-07-31 Steven Bosscher <stevenb@suse.de>
3856 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
3857 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
3858 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
3860 2005-07-31 Jan Hubicka <jh@suse.cz>
3862 * pretty-print.h (pp_widest_integer): New macro.
3863 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
3866 2005-07-31 Jan Hubicka <jh@suse.cz>
3868 * output.h (enum section_category): Export from varasm.c
3869 (categorize_decl_for_section): Likewise.
3870 * varasm.c (enum section_category): Kill.
3871 (categorize_decl_for_section): Make global.
3872 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
3874 * i386.c (ix86_section_threshold): New static variable.
3875 (ix86_in_large_data_p, ix86_encode_section_info,
3876 x86_64_elf_unique_section,
3877 x86_64_elf_select_section): New functions.
3878 (TARGET_ENCODE_SECTION_INFO): Define
3879 (override_options): Enable medium model for PIC.
3880 (ix86_expand_prologue): Expand gen_set_got_rex64.
3881 (legitimate_constant_p): Handle new UNSPECs.
3882 (legitimate_pic_address_disp_p): Likewise.
3883 (legitimize_pic_address): Lower MEDIUM model addressing.
3884 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
3885 (enum cmodel): Add MEDIUM_PIC.
3886 (SYMBOL_REF_FAR_ADDR_P): New macro.
3887 (SYMBOL_FLAG_FAR_ADDR): New flag.
3888 * i386.md (movdi): Support medium model.
3889 (set_got_rex64): New pattern.
3890 * i386.opt (mlarge-data-threshold): New flag.
3891 * predicates.md (zext_operand/sext_operand): Deal with medium model.
3892 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
3893 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
3894 TARGET_ASM_UNIQUE_SECTION): New.
3896 * invoke.texi (-mlarge_data_threshold): Document
3898 2005-07-31 Jan Hubicka <jh@suse.cz>
3900 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
3901 (coalesce_vars): Likewise.
3902 * tree-ssa-live.c (coalesce_cost): New.
3903 (build_tree_conflict_graph): Use coalesce_cost.
3904 * tree-ssa-live.h (coalesce_cost): Declare.
3906 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
3908 * arm.md (all peepholes for post-increment operations): Delete.
3909 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
3910 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
3911 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
3912 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3913 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3915 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
3917 * fold-const.c (tree_expr_nonnegative_p): Always return true for
3920 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
3923 * doc/invoke.texi: Document -rdynamic.
3925 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
3928 * c-parser.c (c_parser_parms_list_declarator): Call
3929 mark_forward_parm_decls.
3930 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3931 decls with visibility structure.
3933 2005-07-30 Paul Brook <paul@codesourcery.com>
3935 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3937 2005-07-30 Paul Brook <paul@codesourcery.com>
3939 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3941 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3943 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3945 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3948 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3949 nested function declarators.
3950 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3951 (grokparms): Call warn_if_shadowing for parameters used within the
3953 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3954 not used within the parameter list.
3955 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3957 2005-07-30 Jan Hubicka <jh@suse.cz>
3959 * expr.c (expand_expr_real_1): Do not load mem targets into register.
3960 * i386.c (ix86_fixup_binary_operands): Likewise.
3961 (ix86_expand_unary_operator): Likewise.
3962 (ix86_expand_fp_absneg_operator): Likewise.
3963 * optabs.c (expand_vec_cond_expr): Validate dest.
3965 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3968 * real.c (real_from_string): Also set last bit if there is a
3969 nonzero hex digit beyond GCC's internal precision after ".".
3971 2005-07-29 David Edelsohn <edelsohn@gnu.org>
3973 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3974 define_constants. Change duplicate values to unassigned numbers.
3975 Change UNSPEC_SUBS to UNSPEC_VSUBS.
3976 (*altivec_vspltsf): New.
3977 (altivec_vperm_v4sf): Delete.
3978 (altivec_vperm_<mode>): Use mode macro V.
3979 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3980 (altivec_predicate_v4sf): Delete.
3981 (altivec_predicate_<mode>): Use mode macro V.
3982 (*altivec_lvesfx): New.
3983 (*altivec_stvesfx): New.
3984 (vec_realign_load_v4sf): Delete.
3985 (vec_realign_load_<mode>): Use mode macro V.
3986 * config/rs6000/rs6000.c (generate_set_vrsave): Use
3989 2005-07-29 Mark Mitchell <mark@codesourcery.com>
3992 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
3994 * configure: Regenerated.
3996 2005-07-29 Paul Brook <paul@codesourcery.com>
3998 * doc/install.texi: Add link to GFortran binaries wiki page.
4000 2005-07-29 David Ung <davidu@mips.com>
4002 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
4003 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
4004 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
4005 * config/mips/mips.md (cpu): Add 5kf name.
4006 (includes): Includes 5k.md.
4007 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
4008 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
4011 2005-07-29 Diego Novillo <dnovillo@redhat.com>
4014 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
4015 (cleanup_tree_cfg): ... here.
4016 Call cleanup_tree_cfg_1 until there are no more cleanups to
4019 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
4021 * tree-vrp.c (compare_range_with_value): Return true or false
4022 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
4023 EQ_EXPR respectively.
4025 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
4027 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
4030 2005-07-29 Diego Novillo <dnovillo@redhat.com>
4032 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
4033 (tree_ssa_dominator_optimize): Increment it.
4034 (dump_dominator_optimization_stats): Print it.
4036 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
4037 Steven Bosscher <stevenb@suse.de>
4039 PR rtl-optimization/23117
4040 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
4041 when head == tail. Tidy comment.
4043 2005-07-28 Richard Henderson <rth@redhat.com>
4045 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
4046 * cselib.c (rtx_equal_for_cselib_p): Likewise.
4047 * jump.c (rtx_renumbered_equal_p): Likewise.
4048 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
4049 CONST_INT and CONST_DOUBLE.
4050 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
4051 * reload.c (operands_match_p): Special case CONST_INT and
4052 CONST_DOUBLE; check mode earlier.
4054 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4057 * c-typeck.c (convert_for_assignment): Do not check
4058 DECL_IN_SYSTEM_HEADER on NULL fundecl.
4060 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4063 * c-typeck.c (composite_type): Prefer constant size arrays to
4066 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4069 * real.c (real_from_string): Set last bit if there is a nonzero
4070 hex digit beyond GCC's internal precision.
4072 2005-07-28 Richard Henderson <rth@redhat.com>
4075 * cfgcleanup.c (try_forward_edges): Watch out for end of
4078 2005-07-28 James E Wilson <wilson@specifixinc.com>
4081 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
4083 2005-07-28 Jan Hubicka <jh@suse.cz>
4085 * Makefile.in (rtl-profile.o): Kill all traces of it.
4086 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
4087 * coverage.h (rtl_coverage_counter_ref): Kill.
4088 * opts.c (flag_speculative_prefetching_set): Kill.
4089 (flag_loop_optimize_set): New.
4090 (common_handle_option): Disable loop optimizer when profiling;
4091 do not handle speculative prefetching.
4092 * passes.c (init_optimization_passes): Replace pass_profiling combo
4093 by branch_prob pass.
4094 * profile.c (compute_value_histograms): Update for simplified value
4096 (rtl_register_profile_hooks): Kill.
4097 (pass_profiling): Kill.
4098 (rest_of_handle_branch_prob): Do not profile.
4099 * toplev.c (process_options): Remove speculative prefetching.
4100 * toplev.h (flag_tree_based_profiling): Kill.
4101 * tree-profile.c (prepare_instrumented_value,
4102 tree_gen_interval_profiler, tree_gen_pow2_profiler,
4103 tree_gen_one_value_profiler, do_tree_profiling): Update for
4104 simplified datastructures.
4105 * value-prof.c: Add comment that speculative prefetching was dropped;
4106 update rest of file for simplified datastructures.
4107 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
4108 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
4109 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
4110 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
4111 rtl_mod_subtract, gen_speculative_prefetch,
4112 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
4113 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
4114 (gate_handle_value_profile_transformations,
4115 rest_of_handle_value_profile_transformations,
4116 pass_value_profile_transformations): Kill.
4117 * value-prof.h (histogram_value_t): Remove IL based unions.
4118 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
4119 rtl_profile_hooks): Remove hooks.
4121 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
4123 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
4124 (cgraph_clone_node): Likewise.
4125 * cgraph.h (cgraph_clone_edge): Update prototype.
4126 (cgraph_clone_node): Likewise.
4127 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
4129 (lookup_recursive_calls): Consider profile.
4130 (cgraph_decide_recursive_inlining): Fix updating; use new
4131 probability argument; use profile.
4132 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
4133 * tree-inline.c (copy_bb): Update clal of clone_edge.
4134 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
4136 * invoke.texi (min-inline-recursive-probability): Document.
4138 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
4140 * doc/install.texi (Configuration): Update Valgrind homepage.
4142 2005-07-28 Richard Henderson <rth@redhat.com>
4145 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
4146 labels we want to delete.
4147 (cfg_layout_merge_blocks): Likewise.
4149 2005-07-28 Richard Henderson <rth@redhat.com>
4152 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
4153 when expanding to nothing.
4155 2005-07-28 Josh Conner <jconner@apple.com>
4157 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
4158 (cgraph_decide_inlining_of_small_functions): Likewise.
4160 2005-07-28 Josh Conner <jconner@apple.com>
4162 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
4163 direction of badness if negative.
4164 (cgraph_default_inline_p): Add reason to parameters, and assign it
4166 (cgraph_decide_inlining_of_small_functions): New parameter in call
4167 to cgraph_default_inline_p.
4168 (cgraph_decide_inlining_incrementally): Likewise.
4169 * cgraphunit.c (decide_is_function_needed): Likewise.
4170 * cgraph.h (cgraph_default_inline_p): Likewise.
4172 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4174 * builtins.c: Fix comment typo(s).
4175 * genautomata.c: Likewise.
4176 * gimplify.c: Likewise.
4177 * tree-dfa.c: Likewise.
4178 * tree-flow-inline.h: Likewise.
4179 * tree-into-ssa.c: Likewise.
4180 * tree-ssa-alias.c: Likewise.
4181 * tree-ssa-ccp.c: Likewise.
4182 * tree-ssa-copy.c: Likewise.
4183 * tree-ssa-dce.c: Likewise.
4184 * tree-ssa-dom.c: Likewise.
4185 * tree-ssa-operands.c: Likewise.
4186 * tree-tailcall.c: Likewise.
4187 * tree-vectorizer.c: Likewise.
4188 * tree-vrp.c: Likewise.
4191 2005-07-28 Jeff Law <law@redhat.com>
4193 * tree-vrp.c (test_for_singularity): Extracted from ...
4194 (simplify_cond_using_ranges): Attempt to simplify a relational
4195 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
4197 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
4199 PR tree-optimization/22506
4200 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
4201 phis whose argument is constant.
4203 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
4205 PR rtl-optimization/18992
4206 Back out this patch:
4207 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4208 PR optimization/12142
4209 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
4210 uses of the register in the SET_SRC. Remove unnecessary argument.
4212 Replace it with this:
4213 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
4214 if flag_non_call_exceptions is set and the insn may trap, pass
4215 pc_rtx as dest for recursion.
4216 In SET_SRC part of SET case, if dest is already set, pass it down
4219 2005-07-28 Jan Hubicka <jh@suse.cz>
4221 * cfg.c (update_bb_profile_for_threading): Use RDIV.
4222 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
4223 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
4225 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
4226 profile when available.
4228 2005-07-28 Jan Beulich <jbeulich@novell.com>
4230 * config/ia64/ia64.c (ia64_load_pair_ok): New.
4231 (ia64_print_operand): Describe and handle 'X'.
4232 (ia64_register_move_cost): Also handle FP_REGS.
4233 (ia64_preferred_reload_class): Likewise.
4234 (ia64_secondary_reload_class): Likewise.
4235 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
4236 it. Also check for ITANIUM_CLASS_FLDP.
4237 * config/ia64/ia64.h (FP_REGNO_P): New.
4238 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
4239 (reg_class): Add FP_REGS.
4240 (REG_CLASS_NAMES): Adjust for it.
4241 (REG_CLASS_CONTENTS): Likewise.
4242 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
4243 (REG_CLASS_FROM_LETTER): Handle 'x'.
4244 (CLASS_MAX_NREGS): Handle FP_REGS.
4245 (MEMORY_MOVE_COST): Likewise.
4246 * config/ia64/ia64.md (itanium_class): Add fldp.
4247 (type): Handle fldp.
4248 (movti_internal): More allowable operand combinations. Use ldfp8 when
4249 splitting unnecessary. Remove predicable attribute. Adjust
4250 itanium_class attribute.
4251 (smuldi3_highpart): Remove outdated comment.
4252 (mulditi3, umulditi3, rotlti3): New expanders.
4253 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
4254 (absti2): Disabled new insn for future reference.
4255 Respective new splitters.
4256 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
4257 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
4258 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
4260 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
4262 PR rtl-optimization/23047
4263 * simplify-rtx.c (simplify_const_relational_operation): Respect
4264 flag_wrapv for comparisons with ABS.
4266 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
4268 PR tree-optimization/22493
4269 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
4270 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
4272 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
4274 * config/frv/frv.opt (moptimize-membar): New.
4276 * doc/invoke.texi: Document -moptimize-membar and its inverse.
4278 * config/frv/frv.h: Remove machine_function definition.
4280 * config/frv/frv.c (struct frv_io): New.
4281 (struct machine_function): Moved from frv.h. Add has_membar_p.
4282 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
4283 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
4284 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
4285 (frv_optimize_membar_global, frv_optimize_membar): New functions.
4286 (frv_reorg): Call frv_optimize_membar when appropriate.
4287 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
4288 (frv_expand_builtin): Adjust calls accordingly.
4289 (frv_io_address_cookie): New function.
4290 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
4291 load or store rather than a special insn. Add ccnstant address and
4292 io-type operands to the membar.
4293 (frv_ifcvt_modify_tests): Unsign regno.
4294 (frv_ifcvt_modify_tests): Same.
4296 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
4297 UNSPEC_OPTIONAL_MEMBAR constant.
4298 (builtin_read_<mode>): Delete.
4299 (builtin_write_<mode>): Delete.
4300 ("optional_membar_<mode>"): Add operand.
4302 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
4303 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
4304 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
4305 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
4306 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
4307 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
4308 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
4309 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
4310 * testsuite/gcc.target/frv/all-read-write-1.c: New.
4312 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
4314 * df.c (df_uses_record): Handle SCRATCH.
4316 2005-07-28 Steven Bosscher <stevenb@suse.de>
4319 * passes.c (rest_of_decl_compilation): If decl is a type and
4320 we have encountered errors, don't emit debug information.
4322 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4324 * params.def: Fixed comment.
4326 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
4329 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
4330 (TARGET_ASM_UNALIGNED_HI_OP): Add.
4331 (TARGET_ASM_UNALIGNED_SI_OP): Add.
4333 2005-07-27 Steven Bosscher <stevenb@suse.de>
4336 * varasm.c (assemble_start_function): Don't do anything that may
4337 require a CFG if the current function is a thunk.
4339 2005-07-25 Geoffrey Keating <geoffk@apple.com>
4341 * doc/install.texi (Prerequisites): Mention that perl is needed
4342 to do export control in libstdc++ targetting Darwin.
4344 2005-07-27 Steven Bosscher <stevenb@suse.de>
4346 PR rtl-optimization/17808
4347 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
4348 (sched_insns_conditions_mutex_p): Split out from...
4349 (add_dependence): ...here. But don't call it from here.
4350 (add_dependence_list): Check sched_insns_conditions_mutex_p
4351 before calling add_dependence.
4352 (add_dependence_list_and_free): Likewise.
4353 (fixup_sched_groups): Likewise.
4354 (sched_analyze_1): Likewise.
4355 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
4356 (sched_analyze): Likewise.
4357 (sched_analyze_insn): Likewise.
4358 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
4359 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
4360 dependencies on all COND_EXEC insns to jumps ending basic blocks
4361 when doing intrablock scheduling.
4362 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
4364 2005-07-27 Jeff Law <law@redhat.com>
4366 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
4367 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
4368 equivalency sets, correctly handle the case were vr0 has an
4369 equivalency set, but vr1 does not.
4371 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
4373 PR tree-optimization/23073
4374 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4375 vect_print_dump_info before fprintf.
4377 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4379 PR tree-optimize/22348
4380 * tree-ssa-loop-niter.c (number_of_iterations_cond):
4381 Fold the partial computation.
4383 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4385 PR tree-optimization/22325
4386 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4388 * tree-scalar-evolution.c (scev_const_prop): Add generic final
4390 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4391 (force_var_cost): ... this function.
4392 (compute_phi_arg_on_exit): Export.
4394 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4396 PR tree-optimization/20773
4397 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4400 2005-07-27 Richard Guenther <rguenther@suse.de>
4402 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4403 Avoid pushing again if current struct contains only
4404 fields we decomposed.
4406 2005-07-27 Jan Hubicka <jh@suse.cz>
4408 PR tree-optimization/22574
4409 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4412 * tree-tailcall.c (decrease_profile): New function.
4413 (eliminate_tail_call): Use it.
4415 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4416 visibility flags correctly in whole program mode.
4418 2005-07-26 Steve Ellcey <sje@cup.hp.com>
4420 PR rtl-optimization/22472
4421 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4423 2005-07-26 Steven Bosscher <stevenb@suse.de>
4425 PR tree-optimization/22504
4426 * tree-complex.c (expand_complex_addition): Use 'code' instead
4427 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
4429 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4431 * config.gcc (cpu_type): Add frv case.
4432 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
4433 (supported_defaults): Add fr550 case.
4435 2005-07-26 Diego Novillo <dnovillo@redhat.com>
4438 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
4439 whether a pointer of type T * may point to objects of type T *.
4441 2005-07-26 DJ Delorie <dj@redhat.com>
4443 * configure: Regenerate.
4445 2005-07-26 Dale Johannesen <dalej@apple.com>
4447 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
4449 2005-07-26 Mark Mitchell <mark@codesourcery.com>
4451 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
4452 Clarify use of "build" in name.
4454 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4456 * doc/extend.texi (Raw read/write Functions): New section.
4457 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
4458 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
4459 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
4460 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
4461 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
4462 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
4463 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
4464 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
4465 * config/frv/frv.c: Add bdesc_loads global.
4466 Add bdesc_stores global.
4467 (frv_init_builtins): Add support for __builtin_{read/write}*.
4468 (frv_volatile_memref): New.
4469 (frv_expand_load_builtin): New.
4470 (frv_expand_store_builtin): New.
4471 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
4472 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
4473 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
4474 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
4475 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
4476 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
4477 (builtin_read_<mode>): New.
4478 (builtin_write_<mode>): New.
4479 (builtin_write64): New.
4480 (optional_membar_<mode>): New.
4482 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
4484 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
4485 (rather than units) against HOST_BITS_PER_WIDE_INT.
4487 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
4489 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
4490 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
4491 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
4492 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
4495 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
4496 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
4497 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
4499 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
4501 2005-07-26 Richard Guenther <rguenther@suse.de>
4503 PR tree-optimization/22486
4504 * fold-const.c (fold_unary): Fold away useless component
4505 references of the form (T *)&T.x, if the address
4508 2005-07-25 James E Wilson <wilson@specifixinc.com>
4510 * dwarf2out.c (add_call_src_coords_attributes): New.
4511 (gen_inlined_subroutine_die): Call it.
4512 (maybe_emit_file, init_file_table): Add comments.
4513 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
4515 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
4516 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
4517 * tree.h (BLOCK_SOURCE_LOCATION): New.
4518 (struct tree_block): New field locus.
4520 2005-07-26 Andreas Schwab <schwab@suse.de>
4522 PR rtl-optimization/23043
4523 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
4524 when allocating a struct unoccr.
4526 2005-07-25 Richard Henderson <rth@redhat.com>
4529 * tree-complex.c (gate_no_optimization): True if errors.
4530 * Makefile.in (tree-complex.o): Update dependencies.
4532 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
4534 * config/frv/predicates.md (integer_register_operand): Use
4537 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4540 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
4542 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
4544 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4546 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
4547 types when flag_unsafe_math_optimizations is true.
4549 2005-07-25 Mark Mitchell <mark@codesourcery.com>
4551 * gcc.c (option_map): Add --sysroot.
4552 (process_command): Handle --sysroot.
4553 (display_help): Document it.
4554 * doc/cppopts.tex (-isysroot): Document.
4555 * doc/invoke.texi (--sysroot): Document.
4556 * doc/install.texi (--with-build-sysroot): Document.
4558 * Makefile.in (inhibit_libc): New variable.
4559 (INHIBIT_LIBC_CFLAGS): Likewise.
4560 (LIBGCC2_CFLAGS): Include
4561 $(INHIBIT_LIBC_CFLAGS).
4562 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
4563 ($(T)crtbegin.o): Do not use @inhibit_libc@.
4564 ($(T)crtend.o): Likewise.
4565 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
4566 ($(T)crtendS.o): Likewise.
4567 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
4568 ($(T)crtendT.o): Likewise.
4569 (stmp-fixinc): Do not complain about missing headers if
4571 * configure.ac (inhibit_libc): Set it to true/false.
4572 (--with-build-sysroot): New option. Use it to set
4574 * configure: Regenerated.
4576 2005-07-25 Manfred Hollstein <mh@suse.com>
4578 * calls.c (store_one_arg): Fix unsigned comparison warning.
4580 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4583 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
4584 (ggc_print_statistics): Initialize variable before use.
4586 2005-07-25 Richard Guenther <rguenther@suse.de>
4588 * tree-dfa.c (mark_new_vars_to_rename): Protect against
4589 calling with a PHI_NODE argument.
4591 * tree-flow-inline.h (overlap_subvar): Protect against
4594 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
4596 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
4597 * configure: Regenerate.
4599 2005-07-25 Ira Rosen <irar@il.ibm.com>
4601 * expr.c (highest_pow2_factor): Make extern.
4602 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
4603 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
4604 record_array_differ_p, array_ptr_differ_p): Likewise.
4605 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
4606 additional cases. Call the above functions.
4607 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
4608 base_object_differ_p when there are two base objects. Otherwise, compare
4609 base address and offset. Call may_alias_p.
4610 (dump_data_reference): Use a correct field name.
4611 (analyze_array): Make static. Initialize new data-ref fields.
4612 (analyze_indirect_ref): New function.
4613 (init_data_ref): Initialize new data-ref fields.
4614 (strip_conversion): Moved from tree-vect-analyze.c.
4615 (analyze_offset_expr, get_ptr_offset, address_analysis,
4616 object_analysis): Likewise.
4617 (analyze_offset): New function.
4618 (create_data_ref): Likewise.
4619 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
4620 dimensions for ARRAY_REFs only.
4621 (build_classic_dist_vector): Make static.
4622 (access_functions_are_affine_or_constant_p): Call macro to get the
4623 address of access functions.
4624 (compute_all_dependences): Add new parameter
4625 compute_self_and_read_read_dependences. Compute self and read-read
4626 dependences if it is true.
4627 (find_data_references_in_loop): Call create_data_ref. Initialize new
4629 (compute_data_dependences_for_loop): Add new parameter
4630 compute_self_and_read_read_dependences. Remove parameter nb_loops,
4631 compute nb_loops. Call compute_all_dependences,
4632 build_classic_dist_vector and build_classic_dir_vector with correct
4634 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
4635 with correct parameters. Compare dimensions for ARRAY_REFs only.
4636 (free_data_refs): Call macro to free access functions.
4637 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
4638 fields from stmt_vinfo.
4639 (struct base_object_info): New structure.
4640 (struct data_reference): Move fields to base_object_info. Add fields
4641 first_location and object_info for above structures. Move fields from
4642 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
4643 aligned_to. Add macros to access the new fields.
4644 Update functions declarations.
4645 * tree-flow.h (is_aliased_with): Declare.
4646 * tree-loop-linear.c (linear_transform_loops): Call
4647 compute_data_dependences_for_loop with correct parameters.
4648 * tree-ssa-alias.c (is_aliased_with): New function.
4649 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
4650 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
4651 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
4652 vect_base_addr_differ_p, compute_subscript_distance and
4653 build_classic_dist_vector. Add printings. Check absolute value of
4655 (vect_analyze_data_ref_dependences): Go through ddrs instead of
4657 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
4658 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
4659 to bytes. Add printing.
4660 (vect_compute_data_refs_alignment): Go through loads and stores in one
4662 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
4663 vect_analyze_data_ref_access): Likewise.
4664 (vect_analyze_pointer_ref_access): Remove.
4665 (vect_address_analysis, vect_object_analysis): Likewise.
4666 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
4667 and analyze data-refs in the loop.
4668 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
4669 fields of data-ref instead of stmt. Add init to the offset from the
4671 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
4672 (vect_update_init_of_dr): Likewise.
4673 (vect_update_inits_of_drs): Go through loads and stores in one loop.
4674 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
4676 (new_loop_vec_info): Initialize new fields.
4677 (destroy_loop_vec_info): Free new fields.
4678 (vect_strip_conversion): Remove.
4679 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
4680 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
4681 datarefs. Add new field ddrs.
4682 Add macros for the new fields access.
4683 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
4684 base_aligned_p, misalignment, memtag, ptr_info and subvars.
4685 Remove their macros.
4686 * tree.h (highest_pow2_factor): Declare.
4688 2005-07-25 Jakub Jelinek <jakub@redhat.com>
4690 * calls.c (store_one_arg): Check for sibling call MEM arguments
4691 from already clobbered incoming argument area.
4693 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4695 * c-common.c (check_missing_format_attribute): New.
4696 * c-common.h (check_missing_format_attribute): Likewise.
4697 * c-typeck.c (convert_for_assignment): Use it.
4699 2005-07-24 Andreas Schwab <schwab@suse.de>
4701 * config/m68k/m68k.md ("extendqidi2"): When source is an address
4702 register use a word move. Correct operand of ext.w in 68000 code.
4704 2005-07-23 Mark Mitchell <mark@codesourcery.com>
4706 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
4707 variables as declarations, rather than definitions.
4709 2005-07-24 Ira Rosen <irar@il.ibm.com>
4711 PR tree-optimization/22526
4712 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
4715 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4717 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
4718 that C99 reserve for future use. Use it to define clog10,
4719 clog10f and clog10l.
4721 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4723 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
4724 * configure.ac: Check for -Wmissing-format-attribute.
4726 * configure: Regenerate.
4728 2005-07-23 Richard Henderson <rth@redhat.com>
4730 PR tree-optimization/22623
4731 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
4733 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
4736 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
4738 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4740 * Makefile.in (C_TREE_H): Update dependencies.
4741 * c-tree.h: Include toplev.h.
4742 * diagnostic.h (diagnostic_set_info): Add format attribute.
4743 * rtl-error.c (diagnostic_for_asm): Likewise.
4745 2005-07-23 Chao-ying Fu <fu@mips.com>
4747 * config/mips/mips-dsp.md: New file.
4748 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
4749 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
4751 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
4752 MIPS_BUILTIN_BPOSGE32.
4753 (mips_expand_builtin_direct): Add one parameter to indicate that
4754 builtin functions need to return a value.
4755 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
4757 (mips_regno_to_class): Add classes for 12 new DSP registers.
4758 (mips_subword): Change to check four HI registers.
4759 (mips_output_move): Output move to and from 6 new DSP accumulators.
4760 (override_options): Make sure -mdsp and -mips16 are not used together.
4761 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
4763 (mips_conditional_register_usage): Disable 6 new DSP accumulators
4765 (print_operand): Add 'q' for printing DSP accumulators.
4766 (mips_cannot_change_mode_class): Check ACC_REGS.
4767 (mips_secondary_reload_class): Check ACC_REGS.
4768 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
4769 (mips_register_move_cost): Check ACC_REGS.
4770 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
4771 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
4772 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
4773 (dsp_bdesc): New array.
4774 (bdesc_arrays): Add DSP builtin function table.
4775 (mips_prepare_builtin_arg): Check predicate again after
4777 (mips_expand_builtin): Add one more parameter to
4778 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
4779 MIPS_BUILTIN_BPOSGE32.
4780 (mips_init_builtins): Initialize new function types.
4781 (mips_expand_builtin_direct): Check if builtin functions need to
4782 return a value and pass operands properly.
4783 (mips_expand_builtin_bposge): New function.
4784 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
4785 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
4786 (FIRST_PSEUDO_REGISTER): Increase to 188.
4787 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4788 Update for 12 new DSP registers.
4789 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
4790 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
4791 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
4792 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
4793 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
4794 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
4795 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
4796 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
4797 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
4798 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
4799 (REGISTER_NAMES): Add names for 12 new DSP registers.
4800 * config/mips/mips.md: Include mips-dsp.md.
4801 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
4802 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
4803 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
4804 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
4805 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
4806 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
4807 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
4808 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
4809 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
4810 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
4811 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
4812 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
4813 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
4814 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
4815 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
4816 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
4817 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
4818 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
4819 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
4820 (UNSPEC_RDDSP): New constants.
4821 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
4822 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
4824 * config/mips/mips.opt (-mdsp): New option.
4825 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
4826 (reg_imm10_operand): New predicates.
4827 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
4828 * doc/invoke.texi (-mdsp): Document new option.
4830 2005-07-22 DJ Delorie <dj@redhat.com>
4832 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
4834 * tree-inline.c (inlinable_function_p): Likewise.
4836 2005-07-22 Mark Mitchell <mark@codesourcery.com>
4839 * toplev.c (check_global_declarations): Do not mark undefined
4840 variables as DECL_IGNORED_P.
4841 * varasm.c (first_global_object_name): GTY it.
4842 (weak_global_object_name): Likewise.
4843 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
4844 a string to go into {weak,first}_global_object_name.
4846 2005-07-22 DJ Delorie <dj@redhat.com>
4848 * c-format.c (check_function_format): Change warning control
4849 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
4851 2005-07-22 Diego Novillo <dnovillo@redhat.com>
4853 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
4854 &PTR->FLD a dereference of PTR.
4855 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
4856 a potential dereference of PTR.
4858 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
4860 PR rtl-optimization/20370
4861 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
4862 call allocate_reg_info if necessary.
4864 PR rtl-optimization/21848
4865 * calls.c (emit_library_call_value_1): For const functions, add
4866 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
4868 PR rtl-optimization/22445
4869 * cselib.c (target.h): Include.
4870 (rtx_equal_for_cselib_p): Allow commutative matches.
4871 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
4872 Remove MODE parameter. Changed all callers.
4874 PR rtl-optimization/22258
4875 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
4877 (try_combine): Use likely_spilled_retval_p.
4879 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
4881 * config.gcc: Add crx-elf support.
4883 * doc/contrib.texi: Mention crx.
4884 * doc/extend.texi: Document crx extensions.
4885 * doc/install.texi: Document crx install.
4886 * doc/invoke.texi: Document crx options.
4887 * doc/md.texi: Document crx constraints.
4889 * config/crx/crx-protos.h: New file.
4890 * config/crx/crx.c: New file.
4891 * config/crx/crx.h: New file.
4892 * config/crx/crx.md: New file.
4893 * config/crx/crx.opt: New file.
4894 * config/crx/t-crx: New file.
4896 2005-07-22 Manfred Hollstein <mh@suse.com>
4898 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
4900 (int_add_graph_edge): Likewise.
4901 (collapse_nodes): Likewise.
4902 (process_unification_queue): Likewise.
4904 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4905 Laurent GUERBY <laurent@guerby.net>
4907 PR tree-optimization/22336
4908 * function.c (record_block_change): Check for
4909 cfun->ib_boundaries_block.
4911 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
4913 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
4914 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
4916 2005-07-21 DJ Delorie <dj@redhat.com>
4918 * toplev.c (warn_deprecated_use): Add warning control to warning
4920 * c-typeck.c (parser_build_binary_op): Likewise.
4921 (c_finish_if_stmt): Likewise.
4922 * c-common.c (check_function_sentinel): Likewise.
4923 (check_nonnull_arg): Likewise.
4925 2005-07-21 Richard Henderson <rth@redhat.com>
4928 * tree-complex.c (complex_ssa_name_components): New.
4929 (cvc_lookup): Allow entry not found.
4930 (create_components): Remove.
4931 (create_one_component_var, get_component_var): New.
4932 (get_component_ssa_name, set_component_ssa_name): New.
4933 (extract_component): Use get_component_ssa_name.
4934 (update_complex_components): Use set_component_ssa_name.
4935 (update_complex_components_on_edge): Likewise.
4936 (update_phi_components): Create new PHI nodes directly, instead
4937 of adding insns to edges.
4938 (tree_lower_complex): Allocate and free complex_variable_components
4939 and complex_ssa_name_components here.
4941 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
4943 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
4944 revert to returning false.
4946 2005-07-21 Uros Bizjak <uros@kss-loka.si>
4949 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
4951 2005-07-21 Uros Bizjak <uros@kss-loka.si>
4954 * config/i386/i386.md (cmpxf): Change operand constraints
4955 to "nonmemory_operand".
4957 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4959 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
4961 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4964 * fold-const.c (fold_build1): Add checksum for the operands.
4965 (fold_build2): Likewise.
4966 (fold_build3): Likewise.
4968 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4971 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
4973 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4975 * common.opt (-fforward-propagate): Committed by mistake,
4978 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4980 * reg-stack.c: Fix comment typo(s).
4981 * tree-ssa-operands.c: Likewise.
4982 * tree-vectorizer: Likewise.
4984 2005-07-21 Nick Clifton <nickc@redhat.com>
4986 * config/sh/symbian.c: Replace C++ style line comments with C
4987 style line comments.
4988 (symbian_add_attribute): Do not use a ? operator on the LHS of
4990 (sh_symbian_handle_dll_attribute): Change the type of the
4991 method vector to "VEC(tree,gc)*" and use vector accessor
4992 macros to walk over the elements.
4993 (symbian_export_vtable_and_rtti_p): Likewise.
4994 (symbian_class_needs_attribute_p): Likewise.
4996 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4999 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
5000 initialize targetm.resolve_overloaded_builtin here.
5001 (altivec_expand_overloaded_builtin): Make it non-static.
5002 * config/rs6000/rs6000-protos.h
5003 (altivec_expand_overloaded_builtin): New prototype.
5004 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
5005 targetm.resolve_overloaded_builtin here.
5006 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
5008 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5009 Zdenek Dvorak <dvorakz@suse.cz>
5011 PR tree-optimization/19210
5012 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
5014 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
5015 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
5016 rely on unproven assumptions.
5017 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
5018 * tree-flow.h (number_of_iterations_exit): Add final parameter.
5019 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
5020 to number_of_iterations_exit.
5021 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
5022 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
5023 * tree-ssa-loop-niter.c (find_loop_niter,
5024 estimate_numbers_of_iterations_loop): Likewise.
5025 (number_of_iterations_exit): Honor the new options.
5026 * doc/invoke.texi (Wunsafe-loop-optimizations,
5027 funsafe-loop-optimizations): Document them.
5029 2005-07-21 Richard Sandiford <richard@codesourcery.com>
5031 PR rtl-optimization/22167
5032 * gcse.c (hoist_code): Fix hoist_exprs[] check.
5034 2005-07-20 Adam Nemet <anemet@lnxw.com>
5036 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
5037 __do_global_dtors_aux longcall.
5039 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
5041 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
5042 (old_special_pred_table): Don't reference
5043 SPECIAL_MODE_PREDICATES.
5044 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
5045 * config/arc/arc.h: Don't mention PREDICATE_CODES.
5046 * config/sh/predicates.h: Don't mention
5047 SPECIAL_MODE_PREDICATES.
5048 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
5051 2005-07-20 DJ Delorie <dj@redhat.com>
5053 * config.gcc: Add m32c-elf support.
5055 * doc/contrib.texi: Mention m32c.
5056 * doc/extend.texi: Document m32c extensions.
5057 * doc/install.texi: Mention m32c.
5058 * doc/invoke.texi: Document m32c options.
5059 * doc/md.texi: Document m32c constraints.
5061 * config/m32c/addsub.md: New file.
5062 * config/m32c/bitops.md: New file.
5063 * config/m32c/cond.md: New file.
5064 * config/m32c/jump.md: New file.
5065 * config/m32c/m32c-lib1.S: New file.
5066 * config/m32c/m32c-lib2.c: New file.
5067 * config/m32c/m32c-modes.def: New file.
5068 * config/m32c/m32c-pragma.c: New file.
5069 * config/m32c/m32c-protos.h: New file.
5070 * config/m32c/m32c.abi: New file.
5071 * config/m32c/m32c.c: New file.
5072 * config/m32c/m32c.h: New file.
5073 * config/m32c/m32c.md: New file.
5074 * config/m32c/m32c.opt: New file.
5075 * config/m32c/minmax.md: New file.
5076 * config/m32c/mov.md: New file.
5077 * config/m32c/muldiv.md: New file.
5078 * config/m32c/predicates.md: New file.
5079 * config/m32c/prologue.md: New file.
5080 * config/m32c/shift.md: New file.
5081 * config/m32c/t-m32c: New file.
5083 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5085 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5086 (stack_protect_set, stack_protect_test): New expanders.
5087 (stack_protect_set_si, stack_protect_set_si_media,
5088 stack_protect_set_di_media, stack_protect_test_si,
5089 stack_protect_test_si_media, stack_protect_test_di_media):
5092 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
5094 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
5096 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
5098 * tree.h (tree_expr_nonzero_p): Export.
5099 * fold-const.c (tree_expr_nonzero_p): Likewise.
5100 Return true for CALL_EXPRs that are alloca calls.
5101 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
5103 * tree-flow.h (expr_computes_nonzero): Remove.
5104 * tree-vrp.c (expr_computes_nonzero): Remove.
5105 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
5106 (extract_range_from_unary_expr): Likewise.
5107 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
5108 tree_expr_nonzero_p.
5110 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
5112 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
5113 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
5114 extra arg "picreg" and use it instead of pic_offset_table_rtx.
5115 All callers changed.
5116 (frame_related_constant_load): New arg "related" which controls
5117 setting of RTX_FRAME_RELATED_P. All callers changed.
5118 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
5119 (bfin_expand_prologue): Add stack limit checking.
5120 * config/bfin/bfin.md (trapifcc): New pattern.
5122 * config/bfin/bfin.c: Include "langhooks.h".
5123 (def_builtin): Go through lang_hooks to call builtin_function.
5125 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
5126 * config/bfin/predicates.md (symbol_ref_operand): New.
5127 (call_insn_operand): Delete. All callers changed to use
5128 register_no_elim_operand.
5129 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
5131 (function_arg): Use it to generate the call's operand 2.
5132 (bfin_longcall_p): New function.
5133 (bfin_expand_call): Extra arg "cookie". All callers and declaration
5134 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
5135 determine if the address needs to be in a REG.
5136 (bfin_handle_longcall_attribute): New function.
5137 (bfin_attribute_table): Add "longcall" and "shortcall".
5138 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
5139 (CUMULATIVE_ARGS): New member call_cookie.
5140 (PREDICATE_CODES): Add symbol_ref_operand.
5141 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
5142 extra USE to the pattern.
5143 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
5144 New patterns, split off call_insn, sibcall_insn, call_value_insn and
5145 sibcall_value_insn; now the new patterns handle direct calls and the
5146 old ones indirect calls.
5147 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
5149 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
5151 * doc/trouble.texi: Update section on handling of empty loops.
5153 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
5155 * config.gcc: Remove support for sparc-*-openbsd*,
5156 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
5158 * config.host: Remove support for i860-*-sysv4* as a host.
5159 * config/i860/*, config/ip2k/*, config/ns32k/*,
5160 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
5161 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
5162 mention obsolete ports.
5164 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5166 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
5168 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
5169 of frame_pointer_rtx.
5170 (sh_expand_epilogue): Likewise.
5171 (sh_set_return_address): Likewise.
5172 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
5173 instead of FRAME_POINTER_REGNUM if needed. Add elimination
5174 offsets from FRAME_POINTER_REGNUM.
5175 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
5176 (sh_register_names): Add initializer for sfp.
5177 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
5178 (VALID_REGISTER_P): Likewise.
5179 (FIRST_PSEUDO_REGISTER): Update.
5180 (DWARF_FRAME_REGISTERS): Define.
5181 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
5182 (HARD_FRAME_POINTER_REGNUM): Define.
5183 (FRAME_POINTER_REGNUM): Redefine.
5184 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
5185 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
5186 from FRAME_POINTER_REGNUM.
5187 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
5188 FRAME_POINTER_REGNUM.
5189 (REG_CLASS_CONTENTS): Add sfp.
5190 (REG_ALLOC_ORDER): Likewise.
5191 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
5192 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
5193 of frame_pointer_rtx.
5194 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
5196 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
5198 * fold-const.c (tree_expr_nonnegative_p): Only return true for
5199 ABS_EXPR when flag_wrapv is false because of INT_MIN.
5200 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
5202 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
5205 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
5207 Make CONSTRUCTOR use VEC to store initializers.
5208 * c-common.c (complete_array_type): Update to cope with VEC in
5210 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
5211 (pp_c_constructor_elts): New function.
5212 * c-pretty-print.h (pp_c_constructor_elts): Declare.
5213 * c-typeck.c (build_function_call, build_c_cast, digest_init,
5214 struct constructor_stack, struct initializer_stack,
5215 constructor_elements, push_init_level, pop_init_level,
5216 add_pending_init, find_init_member, output_init_element): Update to
5217 cope with VEC in CONSTRUCTOR_ELTS.
5218 * coverage.c (build_fn_info_value, build_ctr_info_value,
5219 build_gcov_info): Likewise.
5220 * expr.c (categorize_ctor_elements_1, store_constructor,
5221 expand_expr_real_1): Likewise.
5222 * fold-const.c (fold_ternary): Likewise.
5223 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
5224 gimplify_init_constructor, gimplify_expr): Likewise.
5225 * tree-dump.c (dequeue_and_dump): Likewise.
5226 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
5228 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
5230 * tree-sra.c (generate_element_init_1): Likewise.
5231 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
5232 * tree-ssa-operands.c (get_expr_operands): Likewise.
5233 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
5234 * tree-vect-transform.c (vect_get_vec_def_for_operand):
5235 (get_initial_def_for_reduction): Likewise.
5236 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
5237 value handle in annotations.
5238 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
5239 tree_node_structure): Add support for constr_kind.
5240 (build_vector_from_ctor, build_constructor_single,
5241 build_constructor_from_list): New functions.
5242 (build_constructor): Update to take a VEC instead of a TREE_LIST.
5243 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
5244 Update to cope with VEC in CONSTRUCTOR_ELTS.
5245 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
5246 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
5247 CONSTRUCTOR_APPEND_ELT): New macros.
5248 (struct constructor_elt, struct tree_constructor): New data types.
5249 (union tree_node): Add tree_constructor field.
5250 * treestruct.def: Define TS_CONSTRUCTOR.
5251 * varasm.c (const_hash_1, compare_constant, copy_constant,
5252 compute_reloc_for_constant, output_addressed_constants,
5253 initializer_constant_valid_p, output_constant,
5254 array_size_for_constructor, output_constructor): Update to cope with
5255 VEC in CONSTRUCTOR_ELTS.
5256 * vec.h (VEC_empty, VEC_copy): New macros.
5258 2005-07-19 Devang Patel <dpatel@apple.com>
5260 * dbxout.c (dbxout_type): Check Objective-C++ lang.
5262 2005-07-19 Richard Henderson <rth@redhat.com>
5265 * gimplify.c (gimplify_expr): Use main variant type for the temp
5266 destination for a discarded volatile read.
5267 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
5268 casts between non-void types that change volatility.
5270 2005-07-15 DJ Delorie <dj@redhat.com>
5272 * toplev.h: Add comment about the first parameter for warning().
5273 * errors.h: Likewise.
5275 * c.opt (Wpragmas): New.
5276 * doc/invoke.texi: Document it.
5278 * function.c (do_warn_unused_parameter): Add warning control to
5280 * c-decl.c (warn_if_shadowing): Likewise.
5281 * c-lex.c (cb_def_pragma): Likewise.
5282 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
5283 (pop_alignment): Likewise.
5284 (handle_pragma_pack): Likewise.
5285 (apply_pragma_weak): Likewise.
5286 (handle_pragma_weak): Likewise.
5287 (handle_pragma_redefine_extname): Likewise.
5288 (add_to_renaming_pragma_list): Likewise.
5289 (handle_pragma_extern_prefix): Likewise.
5290 (maybe_apply_renaming_pragma): Likewise.
5291 (handle_pragma_visibility): Likewise.
5293 * config/c4x/c4x-c.c (BAD): Likewise.
5294 (c4x_parse_pragma): Likewise.
5295 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
5296 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
5297 (rs6000_pragma_longcall): Likewise.
5298 * config/v850/v850-c.c (pop_data_area): Likewise.
5299 (ghs_pragma_section): Likewise.
5300 (ghs_pragma_section): Likewise.
5301 (ghs_pragma_interrupt): Likewise.
5302 (ghs_pragma_starttda): Likewise.
5303 (ghs_pragma_startsda): Likewise.
5304 (ghs_pragma_startzda): Likewise.
5305 (ghs_pragma_endtda): Likewise.
5306 (ghs_pragma_endsda): Likewise.
5307 (ghs_pragma_endzda): Likewise.
5309 2005-07-19 Danny Berlin <dberlin@dberlin.org>
5310 Kenneth Zadeck <zadeck@naturalbridge.com>
5312 * Makefile.in: Removed tree-promote-statics.c
5313 * tree-promote-statics.c: Removed.
5314 * common.opt: Removed flag-promote-statics.
5316 * passes.c: Removed tree-promote-statics pass.
5317 * tree-pass.h: Ditto.
5318 * timevar.def: Removed TV_PROMOTE_STATICS.
5321 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
5323 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
5325 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
5327 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5330 * c-common.c (check_function_arguments): Call
5331 'check_function_format' if either -Wformat or
5332 -Wmissing-format-attribute are specified.
5333 * c-format.c (check_function_format): Check -Wformat before
5334 calling 'check_format_info'.
5335 * c-opts.c (c_common_post_options): Don't warn for
5336 -Wmissing-format-attribute without -Wformat.
5337 * c-typeck.c (convert_for_assignment): Detect additional cases for
5338 -Wmissing-format-attribute.
5339 * doc/invoke.texi (-Wmissing-format-attribute): Document new
5342 2005-07-19 Richard Guenther <rguenther@suse.de>
5344 * config/i386/i386.md (lrint<mode>2): Use temporary
5345 instead of clobbering non-existent memory.
5347 2005-07-19 Nick Clifton <nickc@redhat.com>
5349 * config/avr/avr.c (legitimate_address_p): Fix debugging print
5350 statement to avoid displaying ASCII control characters.
5352 2005-07-19 Ben Elliston <bje@au.ibm.com>
5354 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
5355 * cfganal.c (find_edge_index): Ditto.
5356 * combine.c (combine_instructions): Ditto.
5357 * ddg.c (create_scc): Ditto.
5358 (find_successors): Ditto.
5359 (find_predecessors): Ditto.
5360 (find_nodes_on_paths): Ditto.
5361 (longest_simple_path): Ditto.
5362 * flow.c (update_life_info): Ditto.
5363 (count_or_remove_death_notes): Ditto.
5364 (clear_log_links): Ditto.
5365 * modulo-sched.c (generate_reg_moves): Ditto.
5366 (find_max_asap): Ditto.
5367 (find_max_hv_min_mob): Ditto.
5368 (find_max_dv_min_mob): Ditto.
5369 * sbitmap.c (sbitmap_first_set_bit): Ditto.
5370 * sched-rgn.c (extract_edgelst): Ditto.
5371 * tree-into-ssa.c (prepare_names_to_update): Ditto.
5372 (dump_update_ssa): Ditto.
5373 (ssa_names_to_replace) Ditto.
5374 (switch_virtuals_to_full_rewrite): Ditto.
5375 (update_ssa): Ditto.
5376 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5378 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
5380 Fix PR tree-optimization/22483
5382 * tree-complex.c (create_components): Use
5383 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5384 * tree-flow-inline.h (fill_referenced_var_vec): New function.
5385 * tree-flow.h (safe_referenced_var_iterator): New structure.
5386 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5387 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5388 safe_referenced_var iterator.
5389 (add_type_alias): Ditto.
5391 2005-07-19 Steven Bosscher <stevenb@suse.de>
5393 * loop-init.c (rest_of_handle_loop2): Remove.
5394 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5395 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5396 (pass_rtl_loop_init, pass_rtl_loop_done,
5397 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5398 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5399 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5400 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5401 pass_tree_loop_done, and pass_tree_unswitch.
5402 (gate_loop): Rename to gate_tree_loop.
5403 * passes.c (init_optimization_passes): Update for renamed tree
5404 loop passes. Add the new loop2 passes as subpasses of loop2.
5405 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5406 Update for the renamed tree loop passes.
5408 2005-07-18 Ian Lance Taylor <ian@airs.com>
5411 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5412 blocks when optimizing.
5414 2005-07-18 Steve Ellcey <sje@cup.hp.com>
5416 * common.opt (frename-registers): Initialize to 2.
5418 (fgcse-after-reload): Ditto.
5419 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5420 (process_options): Only change flag_web, flag_rename_registers,
5421 and flag_rerun_cse_after_loop if not explicitly set by user.
5423 2005-07-18 Jan Beulich <jbeulich@novell.com>
5425 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
5426 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
5427 in 64-bit mode the same as DImode in 32-bit mode.
5428 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
5429 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
5430 mode. Add new mode parameter.
5431 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
5432 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
5433 x86_64_shift_adj): New expanders.
5434 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
5435 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
5437 Respective new splitters. Use renamed shift splitter helpers in 32-bit
5438 DImode shift splitters.
5439 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
5440 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
5443 2005-07-18 Jan Beulich <jbeulich@novell.com>
5445 * i386.md (movdi_extzv_1): New.
5446 (zero_extendhidi2): Combine alternatives and never force use of
5448 (zero_extendqidi2): Likewise. Don't restrict input selection.
5450 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5452 Fix PR tree-optimization/22531
5453 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
5456 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5458 * tree-promote-statics.c (pass_promote_statics): Change dump file
5461 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5463 * tree-optimize.c (init_tree_optimization_passes): Add
5464 pass_eliminate_useless_stores pass.
5465 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
5466 * tree-ssa-pre.c (is_copy_stmt): New function.
5467 (follow_copies_till_vuse): Ditto.
5468 (do_eustores): Ditto.
5469 (gate_eustores): Ditto.
5471 2005-07-16 Richard Henderson <rth@redhat.com>
5473 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
5475 2005-07-16 Danny Berlin <dberlin@dberlin.org>
5476 Kenneth Zadeck <zadeck@naturalbridge.com>
5478 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
5479 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
5480 ipa-type-escape.h, tree-promote-statics.c
5481 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
5482 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
5483 tree-promote-statics.c: new files.
5484 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
5485 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
5486 int nonlocal_set_p, mark_constant_function): Deleted.
5487 (rest_of_handle_cfg): Removed call to mark_constant_function.
5488 (nonoverlapping_component_refs_p): Added calls to support
5489 type based aliasing.
5490 * tree-ssa-alias.c (may_alias_p,
5491 compute_flow_insensitive_aliasing): Ditto.
5492 * calls.c (flags_from_decl_or_type): Removed reference to
5494 * c-typeck.c (convert_arguments): Make builtins tolerant of having
5495 too many arguments. This is necessary for Spec 2000.
5496 * cgraph.h (const_function, pure_function): Removed.
5497 * common.opt: Added "fipa-pure-const", "fipa-reference",
5498 "fipa-type-escape", and "ftree-promote-static".
5500 * passes.c: Added ipa and tree-promote-statics passes.
5501 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
5502 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
5503 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
5504 * tree-flow.h: Added exposed sra calls and addition of
5505 reference_vars_info field for FUNCTION_DECLS.
5506 * tree-pass.h: Added passes.
5507 * tree-sra.c: (sra_init_cache): New function.
5508 (sra_insert_before, sra_insert_after) Made public.
5509 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
5511 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
5512 aliasing. (may_alias_p): Added code to use type escape analysis to
5514 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
5515 code to prune clobbers of static variables based on information
5516 produced in ipa-reference pass. Changed call clobbering so that
5517 statics are not marked as clobbered if the call does not clobber
5520 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
5522 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
5525 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5527 * doc/install.texi (*-*-solaris2*): Document recommended version
5528 of GNU binutils and mention GNU linker problem on Solaris 10.
5530 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
5533 * c-decl.c (c_build_bitfield_integer_type): New function.
5534 (finish_struct): Call it.
5535 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
5537 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5539 * c-typeck.c (digest_init): Call 'convert_for_assignment'
5542 2005-07-16 Jan Hubicka <jh@suse.cz>
5544 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
5545 (scale_bbs_frequencies_int): Watch roundoff errors.
5546 * predict.c (return_prediction): Initialize return_stmt.
5548 2005-07-16 Jan Hubicka <jh@suse.cz>
5550 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
5551 after RTL profiling.
5553 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
5556 * fold-const.c (build_range_check): Convert high/low to etype
5557 if we are only comparing against exp.
5559 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
5561 Fix PR tree-optimization/22376
5562 * tree-ssa-structalias.c (build_constraint_graph): We really meant
5564 (need_to_solve): New function.
5565 (compute_points_to_sets): Use it.
5567 2005-07-15 Jan Hubicka <jh@suse.cz>
5569 * cfg.c (update_bb_profile_for_threading): More diagnostic.
5570 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
5572 2005-07-15 Richard Guenther <rguenther@suse.de>
5574 * c-common.c (handle_flatten_attribute): New function.
5575 Add flatten function attribute.
5576 * doc/extend.texi: Document flatten function attribute.
5577 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
5578 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
5580 (cgraph_decide_inlining): Handle functions with flatten
5583 2005-07-14 David Edelsohn <edelsohn@gnu.org>
5585 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
5586 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
5587 UNSPEC_XCHG, UNSPEC_AND): New.
5588 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
5589 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
5590 * config/rs6000/sync.md (FETCHOP): New code macro.
5591 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
5593 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
5594 (sync_compare_and_swap<mode>): Same.
5595 (sync_lock_test_and_set<mode>): Same.
5596 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
5597 for QImode and HImode, and not PPC405.
5598 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
5599 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
5600 (sync_<fetchop>{si,di}_internal): New.
5601 (sync_nand{si,di}_internal): New.
5602 (sync_old_<fetchop>{si,di}_internal): New.
5603 (sync_old_nand{si,di}_internal): New
5604 (sync_new_<fetchop>{si,di}_internal): New.
5605 (sync_new_nand{si,di}_internal): New.
5606 (atomic_and{si,di}): New.
5607 (sync_new_nand{si,di}_internal): New.
5608 (atomic_and{si,di}): New.
5609 (sync_add<mode>_internal): Delete.
5610 (sync_addshort_internal): Use unspec instead of unspec_volatile.
5611 (sync_sub<mode>_internal): Delte.
5612 (sync_subshort_internal): New.
5613 (sync_andsi_internal): Use unspec instead of unspec_volatile.
5614 (sync_anddi_internal): Delete.
5615 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
5616 (sync_booldi_internal): Delete.
5617 (sync_boolc<mode>_internal): Delete.
5618 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
5619 (sync_boolc<mode>_internal2): Delete.
5620 (sync_boolcc<mode>_internal): Delete.
5621 (isync, lwsync): Use unspec instead of unspec_volatile.
5622 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
5623 Revert UNSPEC_VOLATILE.
5624 (rs6000_split_atomic_op): New.
5625 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
5627 2005-07-14 Eric Christopher <echristo@redhat.com>
5629 * config/mips/mips.c (mips_canonicalize_comparison): Cast
5630 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
5632 2005-07-14 Eric Christopher <echristo@redhat.com>
5634 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
5636 2005-07-14 Steven Bosscher <stevenb@suse.de>
5638 PR tree-optimization/22230
5639 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
5640 the computation of the four cross productions for "range op range".
5642 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
5643 Ulrich Weigand <uweigand@de.ibm.com>
5646 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
5649 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5651 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
5653 2005-07-14 Steve Ellcey <sje@cup.hp.com>
5655 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
5657 2005-07-14 Richard Guenther <rguenther@suse.de>
5660 * config/i386/i386-protos.h (ix86_function_value): Change
5661 prototype to match new target hook.
5662 * config/i386/i386.c (ix86_value_regno): Change prototype
5663 to take extra type argument.
5664 (TARGET_FUNCTION_VALUE): Define.
5665 (ix86_function_ok_for_sibcall): Pass extra argument to
5666 ix86_value_regno, check return slot rtx for exact match.
5667 (ix86_function_value): Take extra parameter. Dispatch to
5668 ix86_value_regno with fndecl/fntype as provided.
5669 (ix86_value_regno): Handle extra type argument.
5670 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
5672 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
5673 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
5674 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
5675 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
5676 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
5678 2005-07-14 Richard Guenther <rguenther@suse.de>
5680 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
5681 * calls.c (expand_call): Pass fntype to hard_function_value.
5682 (emit_library_call_value_1): Likewise.
5683 * explow.c: Include target.h.
5684 (hard_function_value): Take extra argument, the fntype.
5685 Use new target hook for function_value.
5686 * expr.h (hard_function_value): Change prototype.
5687 * function.c (aggregate_value_p): Pass 0 as fntype to
5688 hard_function_value.
5689 (assign_parms): Use new target hook for function_value.
5690 Pass 0 as fntype to hard_function_value.
5691 (expand_function_end): Likewise.
5692 * reg-stack.c: Include target.h.
5693 (stack_result): Use new target hook for function_value.
5694 * target-def.h: New target hook function_value.
5695 * target.h: Likewise.
5696 * targhooks.c (default_function_value): New function.
5697 * targhooks.h (default_function_value): Declare.
5699 2005-07-13 Ian Lance Taylor <ian@airs.com>
5701 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5703 2005-07-14 Jan Hubicka <jh@suse.cz>
5705 * tree-dfa.c (dump_variable): Use default_def function.
5706 * tree-ssa-alias.c (dump_points_to_info): Likewise.
5707 * tree-ssa.c (verify_use): Likewise.
5708 * tree-ssanames.c (release_ssa_name): Likewise.
5709 * tree-tailcall.c (eliminate_tail_call): Likewise.
5710 (tree_optimize_tail_calls_1): Likewise.
5711 * tree-vrp.c (get_value_range): Likewise.
5713 2005-07-14 Ben Elliston <bje@au.ibm.com>
5715 * gcc.c (main): Compare language[0] with '*' when iterating over
5718 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
5720 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
5721 "s390_emit_compare". Add handling of CCZ1mode.
5722 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
5723 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
5725 (s390_branch_condition_mask): Add CCZ1mode handling.
5726 * config/s390/s390.md: ("seq", "*seq"): New pattern.
5727 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
5728 Use CCZ1mode instead of CCZmode.
5729 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
5731 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
5733 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
5735 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
5737 2005-07-13 Eric Christopher <echristo@redhat.com>
5739 * config/mips/mips.c (mips_canonicalize_comparison): New.
5740 (mips_emit_int_relational): Use.
5742 2005-07-13 Eric Christopher <echristo@redhat.com>
5744 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5746 * config/s390/s390.md: Include tpf.md. Move tpf specific
5748 * config/s390/tpf.md: To here.
5749 * config/s390/s390.opt: Move tpf specific options...
5750 * config/s390/tpf.opt: to here. Add mmain option.
5751 * config/s390/tpf-unwind.h: Remove unnecessary defines.
5752 * config/s390/tpf.h: Rewrite.
5754 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
5756 * doc/tm.texi: Remove @xref{Cross-profiling}.
5758 2005-07-13 Jeff Law <law@redhat.com>
5760 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
5761 expressions, test their _DECL operands for pointer equality rather
5762 than using operand_equal_p.
5764 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
5766 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
5767 (TARGET_POSIX_IO): This.
5768 * config/darwin.h: Likewise.
5769 * config/freebsd.h: Likewise.
5770 * config/linux.h: Likewise.
5771 * config/lynx.h: Likewise.
5772 * config/netbsd.h: Likewise.
5773 * config/rs6000/linux64.h: Likewise.
5774 * config/rs6000/linux.h: Likewise.
5775 * config/s390/tpf.h: Likewise.
5776 * config/sh/embed-elf.h: Likewise.
5777 * config/sparc/linux64.h: Likewise.
5778 * config/sparc/linux.h: Likewise.
5779 * config/svr4.h: Likewise.
5780 * gcov-io.h: Likewise.
5782 * doc/tm.texi: Updated.
5784 * libgcov.c (create_file_directory): Defined only if
5785 TARGET_POSIX_IO is defined.
5786 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
5789 2005-07-13 Jan Hubicka <jh@suse.cz>
5791 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
5793 2005-07-13 David Edelsohn <edelsohn@gnu.org>
5795 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
5796 structure as argument.
5798 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
5800 PR tree-optimization/21921
5801 * tree-iterator.c (tsi_link_before): Support the case when
5802 tsi_end_p (tsi) == true.
5804 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5806 PR tree-optimization/22442
5807 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
5810 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5812 PR rtl-optimization/20376
5813 * toplev.c (process_options): Enable -fweb and -frename-registers when
5815 * doc/invoke.texi: Update the information about when -fweb and
5816 -frename-registers are enabled.
5818 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5821 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
5822 if *rhs_p is not a SSA_NAME.
5824 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
5826 Fix PR tree-optimization/22422
5827 * tree-ssa-structalias.c (struct variable_info): Add flag for
5829 (get_varinfo): Now a static function.
5830 (new_varinfo): init has_union and is_special_var to false.
5831 (solution_set_add): Check has_union.
5832 (do_da_constraint): Move temporary variable so it gets reset
5834 Also check for special variable.
5835 (do_ds_constraint): Ditto.
5836 (do_sd_constraint): Ditto.
5837 (do_structure_copy): Check for special variable.
5838 (find_func_aliases): Ditto.
5839 (init_base_vars): Set special vars properly.
5841 2005-07-13 Jan Hubicka <jh@suse.cz>
5843 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
5846 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
5847 (get_expr_operands): Fix thinko wrt flags and subvars.
5849 PR tree-optimize/22379
5850 * tree-inline.c (expand_call_inline): Do not output sorry in early
5853 2005-07-12 Dale Johannesen <dalej@apple.com>
5855 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
5857 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5860 * host-linux.h: Include limits.h.
5862 2005-07-12 Dale Johannesen <dalej@apple.com>
5864 * expr.c (compress_float_constant): Add cost check.
5865 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
5867 2005-07-12 Dale Johannesen <dalej@apple.com>
5869 * gcc.target/i386/compress-float-sse.c: New.
5870 * gcc.target/i386/compress-float-sse-pic.c: New.
5871 * gcc.target/i386/compress-float-387.c: New.
5872 * gcc.target/i386/compress-float-387-pic.c: New.
5873 * gcc.dg/compress-float-ppc.c: New.
5874 * gcc.dg/compress-float-ppc-pic.c: New.
5876 2005-07-12 Eric Christopher <echristo@redhat.com>
5878 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5880 * config/s390/s390.md: Include tpf.md. Move tpf specific
5882 * config/s390/tpf.md: To here.
5883 * config/s390/s390.opt: Move tpf specific options...
5884 * config/s390/tpf.opt: to here. Add mmain option.
5885 * config/s390/tpf-unwind.h: Remove unnecessary defines.
5886 * config/s390/tpf.h: Rewrite.
5888 2005-07-12 Eric Christopher <echristo@redhat.com>
5890 * gcc.c (struct infile): Update comment for language.
5891 (main): Rewrite input file resetting code.
5893 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5896 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
5897 requiring a cast in a non RHS of modify_expr. Add a cast when required.
5898 (lookup_avail_expr): Use constant_boolean_node instead
5899 of boolean_false_node/boolean_true_node.
5901 2005-07-12 Ben Elliston <bje@au.ibm.com>
5903 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
5904 and use it when printing num_edges.
5906 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
5908 * doc/extend.texi (Blackfin Built-in Functions): New section.
5909 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
5912 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
5914 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
5915 s/cmpstrsi/cmpstrnsi
5916 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
5918 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
5919 (init_optabs): Initialize cmpstrn_optab.
5920 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
5921 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
5922 * expr.c: (enum insn_code cmpstrn_optab): Declare.
5923 * config/i386/i386.md: s/cmpstr/cmpstrn
5924 * config/c4x/c4x.md: s/cmpstr/cmpstrn
5925 * doc/md.texi: Update documentation.
5927 2005-07-11 Richard Henderson <rth@redhat.com>
5929 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
5930 build_va_arg_indirect_ref.
5931 (alpha_gimplify_va_arg): Likewise.
5932 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
5933 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5934 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
5935 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5936 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5937 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
5939 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5941 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5943 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
5944 * passes.c (init_optimization_passes): Add pass_empty_loop.
5945 * tree-pass.h (pass_empty_loop): Declare.
5946 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
5947 try_remove_empty_loop, remove_empty_loops): New functions.
5948 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
5949 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
5951 2005-07-12 Peter Barada <peter@the-baradas.com>
5955 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
5956 in address registers.
5957 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
5958 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
5959 alternative of addsi3_5200.
5961 2005-07-11 Ian Lance Taylor <ian@airs.com>
5963 * config/mips/mips.md (ffs<mode>2): Remove.
5965 2005-07-11 Ian Lance Taylor <ian@airs.com>
5967 * doc/tree-ssa.texi (Cleanups): Improve description of
5969 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
5971 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
5973 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
5974 * tree.h (DECL_ARGUMENT_FLD): New macro.
5976 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
5978 Fix PR tree-optimization/22404
5980 * tree-ssa-structalias.c (create_variable_info_for): Use
5983 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
5985 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
5986 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
5987 for second comparison operand.
5988 * config/bfin/predicates.md (reg_or_const_int_operand): New.
5990 * config/bfin/bfin.md (define_attr "type"): Add "sync".
5991 (define_insn_reservation "alu"): Likewise.
5992 (csync, ssync): Now of type sync.
5993 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
5994 -mcsync-anomaly -mspecld-anomaly.
5995 * config/bfin/bfin.opt (mcsync): Remove.
5996 (mcsync-anomaly, mspecld-anomaly): Add.
5997 * config/bfin/bfin.c: Include "insn-codes.h".
5998 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
5999 (TARGET_DEFAULT_TARGET_FLAGS): New.
6000 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
6002 2005-07-11 Steven Bosscher <stevenb@suse.de>
6004 * basic-block.h: Give the BB flags enum a name, bb_flags.
6005 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
6006 * cfgcleanup.c (enum bb_flags): Remove here.
6007 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
6008 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
6009 (update_forwarder_flag): Likewise.
6010 (thread_jump): Likewise.
6011 (try_forward_edges): Likewise.
6012 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
6013 forwarder flags. Don't clear bb->aux for all basic blocks. Only
6014 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
6016 2005-07-11 Richard Guenther <rguenther@suse.de>
6018 * config/i386/i386.opt: New target option -msseregparm.
6019 * config/i386/i386.c (override_options): Error out for
6020 -msseregparm but no SSE support.
6021 (ix86_function_sseregparm): Check for global sseregparm.
6022 * doc/invoke.texi: Document -msseregparm.
6024 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6026 * config.gcc (m32r-*-linux*): Use the default extra_parts.
6027 (m32rle-*-linux*): Ditto.
6029 2005-07-11 Jakub Jelinek <jakub@redhat.com>
6031 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
6032 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
6035 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6039 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
6040 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
6042 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
6044 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
6045 (varmap): Heapify varmap.
6046 (constraints): Heapify constraints.
6047 (struct constraint_graph): Heapify succs and preds.
6048 (constraint_vec_find): Update for heapification.
6049 (constraint_set_union): Ditto.
6050 (insert_into_complex): Ditto.
6051 (constraint_edge_vec_find): Ditto.
6052 (erase_graph_self_edge): Ditto.
6053 (add_graph_edge): Ditto.
6054 (get_graph_weights): Ditto.
6055 (merge_graph_nodes): Ditto.
6056 (build_constraint_graph): Ditto.
6057 (topo_visit): Ditto.
6058 (solve_graph): Ditto.
6059 (create_variable_info_for): Ditto.
6060 (init_base_vars): Ditto.
6061 (delete_points_to_sets): Free graph, varmap, and complex constraints.
6062 (condese_varmap_nodes): Free complex vector.
6063 (clear_edges_for_node): Clear succs and preds vector.
6065 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
6067 * tree-ssa-structalias.c (update_alias_info): Change counting of
6068 references to not include vdefs.
6070 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
6072 * tree-ssa-alias.c (free_used_part_map): Add missing free.
6075 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6077 * pa.c (pa_commutative_p): Make PLUS commutative when
6078 TARGET_NO_SPACE_REGS is true.
6080 2005-07-09 Diego Novillo <dnovillo@redhat.com>
6082 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
6083 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
6084 * tree-dfa.c (dump_subvars_for): New.
6085 (debug_subvars_for): New.
6086 (dump_variable): Show subvariables if VAR has them.
6087 * tree-flow-inline.h (get_subvar_at): New.
6088 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
6089 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
6091 (struct subvar): Change fields offset and size to unsigned
6093 (dump_subvars_for): Declare.
6094 (debug_subvars_for): Declare.
6095 (get_subvar_at): Declare.
6096 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
6097 to unsigned HOST_WIDE_INT *.
6098 (overlap_subvar): Likewise.
6099 * tree-gimple.c (is_gimple_reg): Always return false for
6100 SFTs and memory tags.
6101 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
6103 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
6104 (compute_may_aliases): Call compute_points_to_sets.
6105 (collect_points_to_info_for): Remove.
6106 (compute_points_to_and_addr_escape): Remove.
6107 (delete_alias_info): Call delete_points_to_sets.
6108 (compute_flow_sensitive_aliasing): If the call to
6109 find_what_p_points_to returns false, call set_pt_anything.
6110 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
6111 (set_pt_anything): Clear pi->pt_vars.
6112 (set_pt_malloc): Remove.
6113 (merge_pointed_to_info): Remove.
6114 (add_pointed_to_expr): Remove.
6115 (add_pointed_to_var): Remove.
6116 (collect_points_to_info_r): Remove.
6117 (is_escape_site): Make extern.
6119 (create_overlap_variables_for): Call it.
6120 * tree-ssa-copy.c (merge_alias_info): Never merge
6121 flow-sensitive alias information.
6122 * tree-ssa-operands.c (get_expr_operands): Adjust variables
6123 offset and size to be unsigned HOST_WIDE_INT.
6124 (add_to_addressable_set): Rename from note_addressable.
6125 Set TREE_ADDRESSABLE as the variables are added to the set.
6127 (add_stmt_operand): Do not try to micro-optimize unmodifiable
6128 operands into VUSEs when adding V_MAY_DEFs for members in an
6130 * tree-ssa-operands.h (add_to_addressable_set): Declare.
6131 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
6132 (struct variable_info): Add bitfield is_heap_var.
6133 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
6134 (new_var_info): Initialize is_heap_var.
6135 (get_constraint_for): Add HEAP variables to the symbol table.
6136 Mark them with is_heap_var.
6137 (update_alias_info): New. Taken mostly from the old
6138 compute_points_to_and_addr_escape.
6139 (handle_ptr_arith): New.
6140 (find_func_aliases): Call update_alias_info.
6141 Call handle_ptr_info for tcc_binary expressions.
6142 Call mark_stmt_modified.
6143 (create_variable_info_for): If DECL has subvars, do not create
6144 variables for its subvars. Always add all the fields.
6145 (set_uids_in_ptset): If the solution includes ANYOFFSET and
6146 SFTs, then add all the SFTs of the structure.
6147 If VI->DECL is an aggregate with subvariables, add the SFT at
6149 (find_what_p_points_to): If VI is an artificial variable,
6150 translate to bitfields in SSA_NAME_PTR_INFO.
6151 If the solution is empty, set pi->pt_vars to NULL
6152 (init_base_vars): Create ANYOFFSET.
6153 (compute_points_to_sets): Rename from create_alias_vars.
6155 (pass_build_pta): Remove.
6156 (delete_points_to_sets): Rename from delete_alias_vars.
6157 (pass_del_pta): Remove.
6158 * tree-ssa-structalias.h (struct alias_info): Move from
6160 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
6161 NUM_REFERENCES_SET): Likewise.
6162 (compute_points_to_sets, delete_points_to_sets): Declare.
6164 2005-07-09 Richard Henderson <rth@redhat.com>
6166 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
6167 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
6168 alpha_split_lock_test_and_set_12): New functions.
6169 * config/alpha/alpha-protos.h: Update.
6170 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
6171 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
6172 * config/alpha/sync.md (I12MODE): New.
6173 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
6174 (sync_<fetchop_name><I48MODE>): Likewise.
6175 (sync_nand<I48MODE>): Likewise.
6176 (sync_old_<fetchop_name><I48MODE>): Likewise.
6177 (sync_new_<fetchop_name><I48MODE>): Likewise.
6178 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6179 (sync_compare_and_swap<I48MODE>): Likewise.
6180 (sync_lock_test_and_set<I48MODE>): Likewise.
6181 (sync_compare_and_swap<I12MODE>): New.
6182 (sync_compare_and_swap<I12MODE>_1): New.
6183 (sync_lock_test_and_set<I12MODE>): New.
6184 (sync_lock_test_and_set<I12MODE>_1): New.
6186 2005-07-09 Diego Novillo <dnovillo@redhat.com>
6190 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
6192 2005-07-09 Jakub Jelinek <jakub@redhat.com>
6194 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
6195 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
6197 2005-07-09 Richard SAndiford <richard@codesourcery.com>
6200 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6202 2005-07-08 David Edelsohn <edelsohn@gnu.org>
6204 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
6205 memory_operand constraint.
6206 (store_conditional_<mode>): Same.
6207 (sync_compare_and_swap<mode>): Same.
6208 (sync_lock_test_and_set<mode>): Same.
6210 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
6212 Rewrite PIC support to more closely model actual instructions.
6213 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
6214 (cris_symbol): Remove prototypes for removed functions.
6215 (cris_pic_symbol_type_of, cris_valid_pic_const)
6216 (cris_expand_pic_call_address): Prototypes for new functions.
6217 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
6219 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
6221 <case ':'>: Add case for new punctuation character.
6222 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
6223 emitting (extra) PIC modifier.
6224 <case UNSPEC>: Do not assert for PLT.
6225 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
6226 (cris_expand_prologue, cris_expand_epilogue): Check
6227 for pic_offset_table_rtx usage instead of taking
6228 current_function_uses_pic_offset_table as the final word.
6229 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
6230 Remove flag_pic difference.
6231 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
6232 the moral equivalents of...
6233 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
6235 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
6236 (cris_handle_option): Mark ARG as unused.
6237 (cris_expand_pic_call_address): New worker function for "call",
6239 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
6240 output PIC constructs here.
6241 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
6242 as symbol-specific modifers, not whole or part of operands.
6243 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
6244 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
6245 constants and flag_pic.
6246 (CONSTANT_INDEX_P): Adjust for new functions.
6247 (enum cris_pic_symbol_type): New helper type.
6248 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
6249 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
6250 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
6252 ("movsi"): Emit actual instructions for GOT and relative access.
6253 ("*movsi_got_load"): New pattern to set up the register holding
6255 ("*movsi_internal"): Operand 1 is not a plain general_operand.
6256 Adjust FIXME for 'S'.
6257 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
6258 Use "movs" for -fpic cases.
6259 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
6260 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
6261 ("call", "call_value"): Just call cris_expand_pic_call_address for
6263 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
6264 Remove special pattern.
6265 ("*expanded_call_side", "*expanded_call_value_side"): New
6267 (gotplt-to-plt, gotplt-to-plt-side-call)
6268 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
6270 * config/cris/cris/predicates.md
6271 ("cris_general_operand_or_gotless_symbol"): Remove unused
6273 ("cris_general_operand_or_symbol"): Adjust for new functions.
6275 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6277 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
6279 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
6281 * Makefile.in (TREE_H): Add treestruct.def.
6282 (c-decl.o): Add pointer-set.h
6283 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
6284 visibility on regular DECL's.
6285 (merge_decls): Fix the copying of decl nodes of various types for
6286 the new structures. Don't update RTL, section name, weak status,
6287 etc, on DECL's without RTL.
6288 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
6289 Don't check volatile on non-variable types.
6290 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
6291 to check whether we have seen arguments.
6292 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
6293 flag is checked before field (flag is common, field is not).
6294 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
6295 TS_DECL_COMMON could have an origin.
6296 (add_location_or_const_value_attribute): Don't check section name
6297 on non-var/function decls.
6298 (dwarf2out_var_location): Reverse order of tests.
6299 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
6300 with DECL_WRTL_CHECK.
6301 * expmed.c (make_tree): rtl is now in decl_with_rtl.
6302 * fold-const.c (fold_binary): Don't check weakness on
6303 non-var/function decls.
6304 (tree_expr_nonzero_p): Ditto.
6305 (fold_checksum_tree): Use tree_decl_extra as sizeof
6307 * ggc-page.c (extra_order_size_table): Add sizes for
6308 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
6310 * gimplify.c (gimplify_bind_expr): Only set
6311 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
6312 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
6314 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
6315 * langhooks.h (init_ts). New langhook.
6316 * passes.c (rest_of_decl_compilation): Reverse order of tests.
6317 * print-tree.c (print_node): Update to only print fields that
6318 exist in the structures the passed decl has.
6319 * toplev.c (wrapup_global_declarations): Don't reset
6320 DECL_DEFER_OUTPUT on DECL's that don't contain it.
6321 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
6322 * tree-inline.c (remap_decl): Ditto.
6323 * tree-outof-ssa.c (create_temp): Reverse order of tests.
6324 * tree-pretty-print.c (print_declaration): Don't print
6325 DECL_REGISTER on things that don't contain it.
6326 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
6327 non-var/function decls.
6328 * tree.c (tree_contains_struct): New structure.
6329 (init_priority_for_decl): New hashtable.
6330 (tree_int_map): New structure.
6331 (tree_int_map_eq): New function.
6332 (tree_int_map_marked_p): Ditto.
6333 (tree_int_map_hash): Ditto.
6334 (tree_map): Move to tree.h.
6335 (tree_map_eq): Externalize.
6336 (tree_map_hash): Ditto.
6337 (tree_map_marked_p): Ditto.
6338 (init_ttree): Set up tree_contains_struct and call langhook.
6339 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
6340 (tree_code_size): Update for new structures.
6341 (tree_node_structure): Update for new structures.
6342 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
6344 (copy_node_stat): Copy init priority.
6345 (build_decl_stat): Ditto for visibility.
6346 (ts_enum_names): New.
6347 (tree_contains_struct_check_failed): New function.
6348 (decl_init_priority_lookup): Ditto.
6349 (decl_init_priority_insert): Ditto.
6350 * treestruct.def: New file.
6351 * tree.h (CODE_CONTAINS_STRUCT): New macro.
6352 (CONTAINS_STRUCT_CHECK): Ditto.
6353 (tree_contains_struct_check_failed): New prototype.
6354 (DECL_CHECK): Removed.
6355 (DECL_MINIMAL_CHECK): New.
6356 (DECL_COMMON_CHECK): Ditto.
6357 (DECL_WRTL_CHECK): Ditto.
6358 (DECL_NON_COMMON_CHECK): Ditto.
6359 (DECL_WITH_VIS_CHECK): Ditto.
6360 (VAR_OR_FUNCTION_DECL_P): Ditto
6361 (struct tree_decl_minimal): New structure.
6362 (struct tree_decl_common): Ditto.
6363 (struct tree_decl_with_rtl): Ditto.
6364 (struct tree_decl_with_vis): Ditto.
6365 (struct tree_decl_non_common): Ditto.
6366 (struct tree_field_decl): Ditto.
6367 (struct tree_parm_decl): Ditto.
6368 (struct tree_var_decl): Ditto.
6369 (struct tree_function_decl): Ditto.
6370 (struct tree_const_decl): Ditto.
6371 (struct tree_result_decl): Ditto.
6372 (union tree_node): Add new structures.
6373 * var-tracking.c (track_expr_p): Reverse order of tests.
6375 * doc/c-tree.texi: Add documentation on DECL node internal structure.
6377 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6379 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6380 * system.h: Poison FINALIZE_PIC.
6381 * doc/tm.texi (FINALIZE_PIC): Remove.
6383 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6386 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6387 to the correct type if we have a MODIFY_EXPR.
6389 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6391 PR tree-optimization/22360
6392 * tree.c (upper_bound_in_type): Fix calculations for casting
6393 to a non-wider signed type and casting a signed value to a
6394 wider unsigned type.
6395 (lower_bound_in_type): Fix calculations for casting to a
6396 non-wider signed type.
6398 PR tree-optimization/20139
6399 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6401 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6402 fold_cond_expr_cond.
6403 * tree-ssanames.c (release_defs): Assert in_ssa_p.
6404 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6406 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6409 * tree-complex.c (expand_complex_libcall): Produce
6410 REALPART_EXPR/IMAGPART_EXPR with the correct type.
6412 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
6414 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6415 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6416 b" assert and inserted fastpath code for this case.
6417 (bitmap_ior): Removed "a != b" assert.
6419 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6421 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6422 (ENDFILE_SPEC): Likewise.
6423 * config/m32r/m32r.h (ASM_SPEC): Likewise.
6425 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
6426 a large stack frame at epilogue.
6428 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
6430 * final.c: Include sdbout.h when required.
6432 2005-07-07 Geoffrey Keating <geoffk@apple.com>
6434 * config.gcc (*-*-darwin*): Only one target-specific header file
6436 (powerpc-*-darwin*): Add version-specific header files.
6437 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
6438 * config.in: Regenerate.
6439 * configure: Regenerate.
6440 * gcc.c: Include xregex.h.
6441 (version_compare_spec_function): New.
6442 (spec_function): Add version-compare.
6443 (replace_outfile_spec_function): Reformat comment.
6444 (compare_version_strings): New.
6445 * config/darwin-c.c (version_as_macro): New.
6446 (builtin_define): New.
6447 (darwin_cpp_builtins): New.
6448 * config/darwin-protos.h (darwin_cpp_builtins): New.
6449 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
6450 (LIB_SPEC): Make unconditional, update comment.
6451 (TARGET_C99_FUNCTIONS): Define.
6452 * config/darwin.opt: Sort.
6453 (mmacosx-version-min=): New.
6454 * config/darwin7.h: Delete.
6455 * config/darwin8.h: Delete.
6456 * config/i386/darwin.h (): Call darwin_cpp_builtins.
6457 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
6458 (TARGET_C99_FUNCTIONS): Define.
6459 * config/rs6000/darwin7.h: New.
6460 * config/rs6000/darwin8.h: New.
6461 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
6462 (-mmacosx-version-min): Document.
6464 2005-07-07 Ian Lance Taylor <ian@airs.com>
6466 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
6468 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
6471 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
6473 2005-07-07 Khem Raj <kraj@mvista.com>
6475 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
6476 in bytes, not words.
6478 2005-07-07 Paul Brook <paul@codesourcery.com>
6480 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
6481 DEFAULT_FUNCTION_ARG_PADDING to upward.
6483 2005-07-07 Richard Henderson <rth@redhat.com>
6485 * function.c (locate_and_pad_parm): Record parameter alignment in
6486 stack_alignment_needed.
6488 2005-07-07 David Edelsohn <edelsohn@gnu.org>
6490 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
6491 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
6492 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
6493 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
6494 (define_attr "type"): Add isync, sync, load_l, store_c.
6495 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
6496 Create scratch volatile MEM.
6497 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
6499 (load_locked_<mode>): New.
6500 (store_conditional_<mode>): New.
6501 (sync_compare_and_swap<mode>): Replace with splitter.
6502 (sync_lock_test_and_set<mode>): Replace with splitter.
6503 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
6505 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
6506 is ics. Attribute isync.
6507 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
6509 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
6510 and UNSPECV_SYNC_OP.
6511 (emit_unlikely_jump): New.
6512 (emit_load_locked): New.
6513 (emit_store_conditional): New.
6514 (rs6000_split_compare_and_swap): New.
6515 (rs6000_split_lock_test_and_set): New.
6516 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
6517 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
6518 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
6519 rs6000_split_lock_test_and_set): Declare.
6520 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
6521 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
6522 store_c, isync, sync.
6524 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
6526 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
6527 filenames to gtyp-gen.h.
6528 (s-typ-gen): Use it in place of for loops.
6530 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
6532 * hooks.c (hook_bool_rtx_int_false): New function.
6533 * hooks.h (hook_bool_rtx_int_false): Declare.
6534 * target-def.h (TARGET_COMMUTATIVE_P): Define.
6535 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
6536 * target.h (struct gcc_target): Add commutative_p member.
6537 * targhooks.c (hook_bool_rtx_commutative_p): New function.
6538 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
6539 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
6540 (pa_commutative_p): New function.
6541 * jump.c (target.h): Include.
6542 (rtx_renumbered_equal_p): Use targetm.commutative_p.
6543 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
6545 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6547 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
6548 (s390_expand_setmem): New.
6549 * config/s390/s390.c: Likewise.
6550 (print_shift_count_operand): Truncate to 12 bits instead of 6.
6552 * config/s390/s390.md: ("setmem<mode>"): Accept character as
6553 general_operand. Call new function "s390_expand_setmem".
6554 ("clrmem_long", "*clrmem_long"): Rewrite to ...
6555 ("setmem_long", "*setmem_long"): ... this.
6557 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6559 * config/s390/s390.c: (optimization_options): Enable
6560 TARGET_MVCLE at -Os.
6561 * doc/invoke.texi: Document changes in default behaviour.
6562 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
6564 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6566 * expr.c: (set_storage_via_setmem): Convert opchar to mode
6567 defined by back-end.
6569 2005-07-07 Jakub Jelinek <jakub@redhat.com>
6571 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
6572 all sets in the pattern.
6573 * config/rs6000/rs6000.md (stack_protect_testsi,
6574 stack_protect_testdi): Likewise.
6576 2005-07-06 Jeff Law <law@redhat.com>
6578 * tree-vrp.c (simplify_using_ranges): Kill.
6579 (vrp_finalize): Remove call to simplify_using_ranges.
6580 (simplify_stmt_using_ranges): New function extracted from
6581 simplify_using_ranges.
6582 (simplify_div_or_mod_using_ranges): Likewise.
6583 (simplify_abs_using_ranges): Likewise.
6584 (simplify_cond_using_ranges): New function.
6585 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
6586 * tree-ssa-propagate.c (substitute_and_fold): Call
6587 simplify_stmt_using_ranges if we have range information.
6589 2005-07-06 James E. Wilson <wilson@specifixinc.com>
6591 * config/ia64/ia64.c (ia64_reorg): Check optimize before
6592 ia64_flag_schedule_isns2.
6594 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
6595 reading/writing general registers.
6596 (ia64_function_arg): Revert 2005-06-18 change.
6598 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
6600 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
6601 (legitimize_tls_address): Use gcc_unreachable instead of abort.
6603 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
6605 * function.c (expand_function_end): Revert part of 2005-06-27
6606 patch. Do sjlj_emit_function_exit_after after return_label.
6608 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
6610 * doc/install.texi (--disable-libssp): New.
6612 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
6614 * doc/invoke.texi: Update -fforce-mem documentation.
6615 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
6616 code for -fforce-mem.
6617 * expmed.c: (store_bit_field,store_fixed_bit_field,
6618 extract_bit_field): Ditto.
6619 * expr.c: (convert_move): Ditto.
6620 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
6621 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
6622 emit_conditional_add,expand_float,expand_fix): Ditto.
6623 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
6624 (common_handle_option): Issue warning when -fforce-mem specified.
6626 2005-07-06 Paul Brook <paul@codesourcery.com>
6628 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
6630 * configure: Regenerate.
6632 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
6634 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
6636 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
6638 Fix PR tree-optimization/22319
6639 Fix PR tree-optimization/22140
6640 Fix PR tree-optimization/22310
6642 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
6643 variable sized types.
6644 Use correct type for intermediate structure on *a = *b structure
6647 2005-07-06 Jakub Jelinek <jakub@redhat.com>
6649 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
6651 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
6652 (machine_function): Move typedef to...
6653 * config/rs6000/rs6000.c (machine_function): ... here. Add
6654 varargs_save_offset field.
6655 (rs6000_stack_t): Remove varargs_size field.
6656 (setup_incoming_varargs): Allocate varargs save area using
6657 assign_stack_local, try to make it as small as possible.
6658 Save offset from virtual_stack_vars_rtx to the save area
6659 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
6660 instead of magic 8 when fp word byte size is used.
6661 (rs6000_va_start): Use cfun->machine->varargs_save_offset
6662 instead of -RS6000_VARARGS_SIZE.
6663 (rs6000_stack_info, debug_stack_info,
6664 rs6000_initial_elimination_offset): Remove all traces of
6666 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
6667 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
6668 RS6000_VARARGS_AREA.
6670 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6672 PR tree-optimization/21963
6673 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
6674 constant_multiple_of in the same way get_computation_cost_at does.
6676 2005-07-06 Jakub Jelinek <jakub@redhat.com>
6678 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
6679 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
6680 (gen_compare_reg): If sparc_compare_emitted is set, clear it
6681 and return its previous value.
6682 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
6683 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
6685 (stack_protect_set, stack_protect_test): New expanders.
6686 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
6687 stack_protect_testdi): New insns.
6688 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6689 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
6691 2005-07-06 Jeff Law <law@redhat.com>
6693 * tree-ssa-dce.c (cfg_altered): New global.
6694 (tree_dce_init): Initialize cfg_altered.
6695 (remove_dead_stmt): If we remove an edge in the CFG, then set
6697 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
6700 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
6702 * Makefile.in (stamp-collect-ld): Use
6703 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
6704 ./collect-ld if it already exists.
6705 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
6706 Don't remove ./nm if it already exists.
6708 2005-07-05 Devang Patel <dpatel@apple.com>
6710 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
6711 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
6712 * tree-vectorizer.c (vect_loop_location): New.
6713 (vect_print_dump_info): Use vect_loop_location.
6714 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
6715 (vectorize_loops): Set vect_loop_location.
6716 * tree-vect-analyze.c (vect_analyze_offset_expr,
6717 vect_determin_vectorization_factor, vect_analyze_operations,
6718 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
6719 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
6720 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
6721 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
6722 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
6723 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
6724 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
6725 vect_analyze_loop): Adjust vect_print_dump_info API.
6726 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6727 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
6728 vect_finish_stmt_generation, vectorizable_assignment,
6729 vectorizable_operation, vectorizable_store, vectorizable_load,
6730 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
6731 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
6732 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
6733 vect_transform_loop): Same.
6734 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
6735 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
6738 2005-07-05 Randolph Chung <tausq@debian.org>
6740 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
6741 * configure: Regenerate.
6742 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
6743 (pa_tls_referenced_p): Declare.
6744 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
6745 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
6746 (legitimize_tls_address): New.
6747 (hppa_legitimize_address): Handle TLS addresses.
6748 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
6749 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6750 (emit_move_sequence): Handle TLS addresses.
6751 (pa_encode_section_info): Call default handler to handle common
6753 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
6754 (CONSTANT_ADDRESS_P): Reject TLS operands.
6755 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
6756 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
6757 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
6758 (UNSPEC_TLSLE): Define new constants.
6759 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
6760 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
6761 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
6762 (tie_symbolic_operand, tle_symbolic_operand): New
6764 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
6766 * aclocal.m4: Update macros for autoconf 2.59 style.
6767 * configure.ac: Likewise.
6769 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6771 * pa.c (function_value): Handle small aggregates on 32-bit targets.
6772 (function_arg): Pass small aggregates in general registers on 32-bit
6774 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
6776 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
6778 * Makefile.in (final.o): Fix dependencies.
6780 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
6784 * langhooks.h (struct lang_hooks): Add expr_to_decl.
6785 * langhooks.c (lhd_expr_to_decl): New.
6786 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
6788 (LANG_HOOKS_INITIALIZER): Update.
6789 * tree.c (recompute_tree_invarant_for_addr_expr): Call
6790 expr_to_decl langhook.
6791 * c-tree.h (c_expr_to_decl): Declare.
6792 * c-typeck.c (c_expr_to_decl): New.
6793 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
6795 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
6797 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
6800 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
6801 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
6803 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
6805 * Makefile.in: Adjust dependencies.
6806 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
6807 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
6808 * alias.c (rest_of_handle_cfg, pass_cfg): New.
6809 * bb-reorder.c (duplicate_computed_gotos): Make it static.
6810 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
6811 rest_of_compilation.
6813 * bb-reorder.c (gate_duplicate_computed_gotos,
6814 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
6815 rest_of_handle_reorder_blocks, pass_reorder_blocks,
6816 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
6817 pass_partition_blocks): New.
6818 * bt-load.c (gate_handle_branch_target_load_optimize,
6819 rest_of_handle_branch_target_load_optimize,
6820 pass_branch_target_load_optimize): New.
6821 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
6823 * cfglayout.c (pass_insn_locators_initialize): New.
6824 * cfgrtl.c (pass_free_cfg): New.
6825 * combine.c (gate_handle_combine, rest_of_handle_combine,
6827 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
6828 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
6829 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
6830 * except.c (pass_set_nothrow_function_flags,
6831 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
6833 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
6834 rest_of_handle_shorten_branches, pass_shorten_branches,
6835 rest_of_clean_state, pass_clean_state): New.
6836 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
6837 rest_of_handle_remove_death_notes, pass_remove_death_notes,
6838 rest_of_handle_life, pass_life, rest_of_handle_flow2,
6840 * function.c (pass_instantiate_virtual_regs, pass_init_function,
6841 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
6842 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
6843 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
6845 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
6846 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
6847 pass_rtl_ifcvt, gate_handle_if_after_combine,
6848 rest_of_handle_if_after_combine, pass_if_after_combine,
6849 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
6850 pass_if_after_reload): New.
6851 * integrate.c (pass_initial_value_sets): New.
6852 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
6853 pass_purge_lineno_notes): New.
6854 * mode-switching.c (rest_of_handle_mode_switching,
6855 pass_mode_switching): New.
6856 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
6857 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
6859 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
6860 pass_loop_optimize): New.
6861 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
6863 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
6865 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
6866 pass_postreload_cse): New.
6867 * profile.c (gate_handle_profiling, pass_profiling,
6868 rest_of_handle_branch_prob, pass_branch_prob): New.
6869 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
6870 pass_split_before_regstack, gate_handle_split_before_regstack,
6871 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
6872 rest_of_handle_split_all_insns, pass_split_all_insns): New.
6873 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
6874 pass_stack_regs): New.
6875 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
6876 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
6877 pass_stack_adjustments): New.
6878 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
6879 pass_regrename): New.
6880 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
6881 pass_delay_slots, gate_handle_machine_reorg,
6882 rest_of_handle_machine_reorg, pass_machine_reorg): New.
6883 * rtl.h (extern void purge_line_number_notes): New.
6884 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
6885 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
6887 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
6889 * value-prof.c (gate_handle_value_profile_transformations,
6890 rest_of_handle_value_profile_transformations,
6891 pass_value_profile_transformations): New.
6892 * var-tracking.c (gate_handle_var_tracking,
6893 pass_variable_tracking): New.
6894 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
6896 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
6897 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
6898 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
6899 rest_of_handle_old_regalloc, rest_of_handle_regrename,
6900 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
6901 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
6902 rest_of_handle_gcse2, rest_of_handle_regmove,
6903 rest_of_handle_tracer, rest_of_handle_if_conversion,
6904 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
6905 rest_of_handle_web, rest_of_handle_branch_prob,
6906 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
6907 rest_of_handle_jump_bypass, rest_of_handle_combine,
6908 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6909 rest_of_handle_gcse, rest_of_handle_loop_optimize,
6910 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
6911 rest_of_handle_mode_switching, rest_of_handle_jump,
6912 rest_of_handle_eh, rest_of_handle_stack_adjustments,
6913 rest_of_handle_flow2, rest_of_handle_jump2,
6914 rest_of_handle_peephole2, rest_of_handle_postreload,
6915 rest_of_handle_shorten_branches, rest_of_clean_state,
6916 rest_of_compilation): Remove.
6918 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
6919 * passes.c (dump_flags, in_gimple_form, all_passes,
6920 all_ipa_passes, all_lowering_passes, register_one_dump_file,
6921 register_dump_files, next_pass_1, last_verified, execute_todo,
6922 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
6923 from tree-optimize.c.
6924 (init_optimization_passes): Moved from tree-optimize.c,
6925 adding the RTL optimizations.
6926 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
6927 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
6928 all_ipa_passes, all_lowering_passes, register_one_dump_file,
6929 register_dump_files, next_pass_1, last_verified, execute_todo,
6930 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
6931 init_tree_optimization_passes, ipa_passes): Delete.
6932 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
6934 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
6935 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
6937 (ipa_passes): Remove.
6938 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
6939 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
6940 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
6941 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
6942 (dump_info_p, dump_flag): Moved to tree-dump.h.
6944 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
6946 * passes.c (finish_optimization_passes): Use dump_begin
6947 and dump_end, TDI_end.
6948 (gate_rest_of_compilation): New.
6949 (pass_rest_of_compilation): Use it.
6950 (gate_postreload, pass_postreload): New.
6951 * toplev.c (general_init): Rename init_tree_optimization_passes.
6952 * toplev.h (init_tree_optimization_passes): Rename to
6953 init_optimizations_passes.
6954 * tree-dump.c (dump_flag): Make static.
6955 (dump_files): Remove RTL dumps.
6956 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
6957 pass_cleanup_cfg, pass_free_cfg_annotations,
6958 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
6959 pass_init_datastructures, pass_fixup_cfg): Make non-static.
6960 * tree-pretty-print.c: Include tree-pass.h.
6961 * cgraph.c: Include tree-dump.h.
6963 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
6965 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
6966 Only fall back to saying it points to readonly memory if
6969 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6971 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
6972 * config/m32r/m32r.c (m32r_compute_frame_size,
6973 m32r_expand_prologue): Take current_function_profile into
6974 account whenever we reference
6975 current_function_uses_pic_offset_table.
6976 (m32r_finalize_pic): Remove.
6977 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
6979 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
6981 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
6982 instead of $<. Don't remove ./as if it already exists.
6984 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6987 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
6988 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
6989 for complex modes when generating code for PA 1.0.
6990 (VALID_FP_MODE_P): New macro.
6991 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
6992 sets for all general and floating point modes. Align wide floating
6993 point modes to even register boundaries to comply with architectural
6995 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
6996 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
6997 (VALID_FP_MODE_P): New macro.
6998 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
6999 sets for all general and floating point modes. Align wide floating
7000 point modes to even register boundaries to comply with architectural
7003 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7005 * tree-dump.c (dump_files): Initialize dump number for .cgraph
7008 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7010 * tree-ssa-structalias.c: Don't include expr.h.
7012 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7014 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
7017 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
7019 Fix PR tree-optimization/22279
7021 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
7024 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
7026 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
7028 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
7030 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
7031 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
7032 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
7033 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
7034 config/stormy16/stormy16.c, config/v850/v850.c,
7035 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
7036 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
7037 Avoid "." or "\n" at end of diagnostics and capital letters at
7038 start of diagnostics.
7039 * combine.c, cse.c: Don't translate dump file output.
7040 * toplev.c (print_version): Only translate output if going to
7043 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
7045 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
7046 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
7049 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7051 * pa.c (fix_range): Fix typo in comment.
7053 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
7055 * tree-vrp.c (extract_range_from_assert): Replace
7056 fold (build (...)) with fold_build2.
7058 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7060 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
7061 gcc_gfc_char_table, init_dynamic_gfc_info): New.
7062 (format_types_orig, handle_format_attribute): Add support for
7065 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
7067 * varasm.c (assemble_variable): Fix format specifier thinko.
7069 2005-07-03 Ira Rosen <irar@il.ibm.com>
7071 PR tree-optimization/22029 (and 22135)
7072 * tree-pretty-print.c (dump_generic_node): Check that the node is not
7073 a phi node before calling dump_vops.
7075 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
7077 * tree-dump.h (dump_string_field): Declare.
7078 * tree-dump.c: Use it instead of dump_string.
7079 (dump_string_field): Make non-static.
7081 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
7083 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
7084 up the minimal CFG stuff always when optimize > 0. Call
7085 split_all_insns_noflow in PIC case if needed.
7087 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
7088 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
7091 * c-decl.c (c_write_global_declarations): Dump contents of
7093 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
7094 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
7095 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
7096 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
7099 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
7101 * c-common.h (GCC_DIAG_STYLE): Define.
7102 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
7103 version for format checking to 4.1.
7104 * c-format.c: Include toplev.h after c-common.h.
7105 (enum format_type): Add gcc_tdiag_format_type.
7106 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
7107 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
7108 (format_types_orig): Add gcc_tdiag.
7109 (init_dynamic_diag_info): Support gcc_tdiag formats.
7110 (handle_format_attribute): Likewise.
7111 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
7112 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
7113 version for format checking to 4.1.
7114 (warning0, warning, error, pedwarn, sorry): Use
7116 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
7117 (finish_aliases_1): Do not use %qE.
7118 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
7119 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
7120 Correct format bugs.
7121 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
7122 parameter to unsigned HOST_WIDE_INT.
7123 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
7125 2005-07-02 David Edelsohn <edelsohn@gnu.org>
7128 * expr.c (write_complex_part): Use adjust_address for MEM.
7129 (read_complex_part): Same.
7131 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
7133 Fix PR tree-optimization/22280
7135 * tree-sra.c (generate_element_init): Remove useless loop.
7137 2005-07-02 Richard Henderson <rth@redhat.com>
7139 * config/alpha/alpha.c (alpha_legitimize_address): Check for
7141 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
7143 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
7146 * fold-const.c (fold_binary): Handle the return value of
7147 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
7148 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
7150 2005-07-02 Jeff Law <law@redhat.com>
7152 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
7153 a eliminate type conversion which feeds an equality comparison
7154 if the original type or either operand in the comparison is a
7157 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
7159 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
7160 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
7162 * config/avr/avr.c: Do not use '`' as left quote.
7163 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
7164 Remove "." from end of diagnostics. Make diagnostics start with
7167 2005-07-02 Zack Weinberg <zack@codesourcery.com>
7168 Joseph S. Myers <joseph@codesourcery.com>
7170 * toplev.c (default_tree_printer): Handle setting location with
7172 * c-objc.common.c (c_tree_printer): Likewise.
7173 * c-format.c (gcc_diag_flag_specs): Add '+'.
7174 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
7175 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
7177 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
7178 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
7179 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
7180 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
7181 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
7182 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
7183 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
7184 format arguments where %J is used without %D.
7186 2005-07-02 Jakub Jelinek <jakub@redhat.com>
7188 * gcc.c (LINK_SSP_SPEC): Define.
7189 (link_ssp_spec): New variable.
7190 (LINK_COMMAND_SPEC): Add %(link_ssp).
7191 (static_specs): Add link_ssp_spec.
7192 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
7193 * configure: Rebuilt.
7194 * config.in: Rebuilt.
7196 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7197 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7198 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7199 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7200 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
7201 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
7202 -0x7008(2) instead of reading __stack_chk_guard variable.
7203 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
7205 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
7206 (stack_protect_set, stack_protect_test): Use *_tls* patterns
7207 if TARGET_THREAD_SSP_OFFSET is defined.
7208 (stack_tls_protect_set_si, stack_tls_protect_set_di,
7209 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
7212 2005-06-27 Richard Henderson <rth@redhat.com>
7213 * libgcc-std.ver (GCC_4.1.0): New.
7214 * libgcc.h (__stack_chk_guard): Declare.
7215 (__stack_chk_fail, __stack_chk_fail_local): Declare.
7216 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
7217 * mklibgcc.in (lib2funcs): Add them.
7219 2005-07-01 Richard Henderson <rth@redhat.com>
7221 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
7222 void * before struct sigcontext *.
7223 (x86_fallback_frame_state): Likewise.
7225 2005-07-01 James E. Wilson <wilson@specifixinc.com>
7227 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
7229 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7232 * tree-ssa-reassoc.c (should_transpose): Fix which operand
7233 we check for SSA_NAME for.
7235 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
7237 Fix PR tree-optimization/22071
7239 * tree-ssa-structalias.c (offset_overlaps_with_access): New
7241 (get_constraint_for_component_ref): Use it.
7243 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7246 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
7247 print out the last new line.
7249 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
7251 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
7252 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
7253 * config/cris/cris.c (cris_conditional_register_usage): Adjust
7254 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
7255 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
7256 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
7257 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
7258 (enum reg_class): New member CC0_REGS.
7259 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
7260 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7261 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
7262 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
7263 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7264 Adjust for register now described.
7266 2005-07-01 Jakub Jelinek <jakub@redhat.com>
7269 * config/i386/i386.md (stack_protect_test_si,
7270 stack_protect_test_di): Add earlyclobber for scratch 3.
7271 * config/rs6000/rs6000.md (stack_protect_testsi,
7272 stack_protect_testdi): Add earlyclobber for scratch 3,
7273 remove earlyclobber from scratch 4.
7275 Older entries for 2005 can be found in ChangeLog-2005.