1 2005-10-08 Steven Bosscher <stevenb@suse.de>
4 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
6 (PARAM_SMS_DFA_HISTORY): Likewise.
8 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
11 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
12 (load_register_parameters): Call it.
13 (check_sibcall_argument_overlap_1): Likewise.
14 (store_one_arg): Likewise.
16 2005-10-07 James E. Wilson <wilson@specifix.com>
18 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
19 DImode not VECINT24 for operand 2.
22 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
26 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
27 fr_spill): Use destination_operand for operand 0.
29 2005-10-07 DJ Delorie <dj@redhat.com>
31 * varasm.c (output_constant): Limit error to expanding
34 2005-10-07 Richard Guenther <rguenther@suse.de>
37 * fold-const.c (fold_binary): Fix operand types during folding
38 of X op (A, Y). Evaluation order of the side-effects of
39 X and A are frontend-defined, so ensure we honour that even for
40 tcc_comparison class operands; eased by removing duplicate code.
42 2005-10-07 Steve Ellcey <sje@cup.hp.com>
44 * stor-layout.c (layout_type): Do not allow alignment of array
45 elements to be greater than their size.
47 2005-10-07 Steve Ellcey <sje@cup.hp.com>
49 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
51 (hppa*-*-linux*): Ditto.
52 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
53 * config/host-hpux.c: New.
55 * config/pa/x-hpux: Remove.
56 * config/pa/x-linux: Remove.
57 * config/pa/pa-host.c: Remove.
59 2005-10-07 Jeff Law <law@redhat.com>
61 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
62 determine whether or not to try and thread outgoing edges.
64 2005-10-07 David Edelsohn <edelsohn@gnu.org>
66 * config/rs6000/rs6000.md (eqsi_power): New.
67 (neg_eq0si): Add TARGET_POWER to final condition.
70 2005-10-06 Richard Henderson <rth@redhat.com>
72 * config/rs6000/rs6000.c: Revert last change.
74 2005-10-06 Richard Henderson <rth@redhat.com>
76 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
77 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
79 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
83 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
84 out return_label and naked_return_label.
86 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
88 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
91 2005-10-06 Richard Henderson <rth@redhat.com>
94 * tree-inline.c (declare_return_variable): Handle modify_dest not
97 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
99 Fix PR tree-optimization/22488
100 * tree-ssa-structalias.c (check_for_overlaps): New function.
101 (create_variable_info_for): Use it.
103 2005-10-06 Richard Henderson <rth@redhat.com>
106 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
107 (dwarf2out_start_source_file): Print it.
109 2005-10-06 Geoffrey Keating <geoffk@apple.com>
111 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
113 2005-10-06 Richard Henderson <rth@redhat.com>
116 * mode-switching.c (optimize_mode_switching): Clear transp bit
117 for block with incomming abnormal edges.
119 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
120 (fpscr_set_from_mem): Use them.
121 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
122 (fpscr postinc splitters): Rewrite as peephole2+split.
124 2005-10-06 David Edelsohn <edelsohn@gnu.org>
126 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
127 (eq<mode>_compare): Same.
129 2005-10-06 Richard Guenther <rguenther@suse.de>
131 PR tree-optimization/24238
132 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
134 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
136 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
137 here. Use AC_PATH_PROG for environment variables instead of
139 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
141 * configure: Regenerated.
143 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
146 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
147 then force it into a register.
148 (call_value): Likewise.
150 2005-10-06 Richard Henderson <rth@redhat.com>
153 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
154 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
155 under pass_vectorize.
157 2005-10-05 Devang Patel <dpatel@apple.com>
160 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
161 handling constants. Check NAMESPACE_DECL context for constants.
163 2005-10-05 Eric Christopher <echristo@apple.com>
165 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
167 2005-10-05 Richard Henderson <rth@redhat.com>
170 * tree-cfg.c (mark_array_ref_addressable_1): New.
171 (mark_array_ref_addressable): New.
172 * tree-flow.h (mark_array_ref_addressable): Declare.
173 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
175 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
179 * reload.c (subst_reloads): When adding a REG_LABEL to a
180 jump instruction, also update JUMP_LABEL.
182 2005-10-05 David Edelsohn <edelsohn@gnu.org>
184 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
185 * bb-reorder.c (copy_bb_p): Use it.
186 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
188 2005-10-05 Richard Henderson <rth@redhat.com>
191 * toplev.c (process_options): Warn about unsupported combinations
192 of unwind tables and omit-frame-pointer.
193 * config/i386/i386.c (override_options): Similarly. Enable
194 accumulate-outgoing-args if not explicitly disabled.
196 2005-10-05 Steve Ellcey <sje@cup.hp.com>
198 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
199 Handle big endian vs. small endian.
200 (vec_initv2sf): Handle big endian vs. small endian.
201 (*vec_extractv2sf_1): Ditto.
203 2005-10-05 Dale Johannesen <dalej@apple.com>
205 * convert.c (convert_to_real): Don't convert
206 (float)floor(double d) to floorf((float)d).
208 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
210 * config/arm/arm.md (insv): Use gen_int_mode in more places.
212 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
214 PR tree-optimization/18587
215 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
216 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
217 build_vuses): Change to VEC type.
218 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
219 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
220 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
221 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
222 (get_name_decl): New. Return DECL_UID of base variable.
223 (operand_build_cmp): New. qsort comparison routine.
224 (operand_build_sort_virtual): New. Sort virtual build vector.
225 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
226 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
227 (FINALIZE_BASE): Use get_name_decl.
228 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
229 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
230 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
231 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
232 direct VEC_* manipulations.
233 (build_ssa_operands): Call operand_build_sort_virtual.
234 (copy_virtual_operand, create_ssa_artficial_load_stmt,
235 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
236 with direct VEC_* manipulations.
237 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
238 with direct VEC manipulations.
240 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
242 PR tree-optimization/21419
243 PR tree-optimization/24146
244 PR tree-optimization/24151
246 * c-typeck.c (readonly_error): Handle USE being lv_asm.
247 (build_asm_expr): Call it if outputs are read-only.
248 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
250 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
251 Paolo Bonzini <bonzini@gnu.org>
255 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
256 enable the instructions and not just the built-ins.
257 * doc/invoke.texi (x86 Options): Likewise.
259 2005-10-04 Geoffrey Keating <geoffk@apple.com>
261 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
263 * doc/invoke.texi (Option Summary): Correct spelling
264 of -mmacosx-version-min.
266 2005-10-04 Devang Patel <dpatel@apple.com>
268 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
271 2005-10-04 Steve Ellcey <sje@cup.hp.com>
273 * tree-vect-transform.c (vect_create_epilog_for_reduction):
274 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
276 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
278 * config/s390/s390.md ("TDSI","DP"): New mode macros.
279 ("TE","tg"): New mode attributes.
280 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
281 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
282 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
283 dword_mode and one for GPRmode.
285 2005-10-04 Ian Lance Taylor <ian@airs.com>
287 PR preprocessor/13726
288 * c-ppoutput.c (cb_include): Add comments parameter, and print out
289 any comments passed in.
291 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
293 * tree.c (annotate_with_file_line): Fix typo.
295 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
298 * builtins.c (fold_builtin_memcmp): When constructing the pointer
299 type used to access data in the inlined length == 1 case, use
300 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
301 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
303 2005-10-04 Uros Bizjak <uros@kss-loka.si>
305 * config/i386/i386.h (TARGET_FISTTP): Enable also for
306 TARGET_SSE3 and only for TARGET_80387.
307 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
308 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
309 Do not depend on TARGET_80387.
311 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
313 * tree.c (last_annotated_node): Change type to location_t*.
314 (annotate_with_file_line): Reflect the change of
315 last_annotated_node type.
317 2005-10-04 Richard Guenther <rguenther@suse.de>
320 * c-decl.c (grokdeclarator): Don't write to fields
323 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
326 * c-decl.c (finish_decl): Use set_user_assembler_name even for
328 * varasm.c (make_decl_rtl): If a register variable does not
329 have a set user assmbler name, error out.
330 Decode the asmspec is now name+1 bypassing '*'.
332 2005-10-04 Steven Bosscher <stevenb@suse.de>
334 PR tree-optimization/23049
335 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
336 of a COND_EXPR is folded before calling fold on the whole rhs of a
337 conditional assignment.
338 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
339 document that a COND_EXPR may appear there.
341 2005-10-03 Diego Novillo <dnovillo@redhat.com>
344 * tree-vrp.c (extract_range_from_assert): If the new numeric
345 range created out of the assertion contradicts the existing
346 numeric range of the ASSERT_EXPR variable, make the new range
349 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
351 * config/sh/sh.c (sh_register_move_cost): Add case for moving
352 from T_REGS to FP register class.
354 2005-10-03 Richard Henderson <rth@redhat.com>
357 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
358 before creating a new one.
360 2005-10-03 David Edelsohn <edelsohn@gnu.org>
362 * config/rs6000/t-aix43 (LDFLAGS): New.
363 * config/rs6000/t-aix52 (LDFLAGS): New.
365 2005-10-03 Ian Lance Taylor <ian@airs.com>
367 * gimplify.c (find_single_pointer_decl_1): New static function.
368 (find_single_pointer_decl): New static function.
369 (internal_get_tmp_var): For a formal variable, set restrict base
370 information if appropriate.
371 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
373 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
374 (DECL_GET_RESTRICT_BASE): Define.
375 (SET_DECL_RESTRICT_BASE): Define.
376 (decl_restrict_base_lookup): Declare.
377 (decl_restrict_base_insert): Declare.
378 (struct tree_decl_with_vis): Add based_on_restrict_p field.
379 * tree.c (restrict_base_for_decl): New static variable.
380 (init_ttree): Initialize restrict_base_for_decl.
381 (copy_node_stat): Copy restrict base information.
382 (decl_restrict_base_lookup): New function.
383 (decl_restrict_base_insert): New function.
384 (print_restrict_base_statistics): New static function.
385 (dump_tree_statistics): Call print_restrict_base_statistics.
387 2005-10-02 Diego Novillo <dnovillo@redhat.com>
390 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
393 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
396 * c-typeck.c (tagged_tu_seen): Rename to ...
397 (tagged_tu_seen_cache): this and add val field.
398 (comptypes): Move functional to comptypes_internal
399 and free tagged_tu_seen.
400 (comptypes_internal): New function and call comptypes_internal
401 instead of comptypes. Speed up by sibcalling
402 tagged_types_tu_compatible_p.
403 (alloc_tagged_tu_seen): New function
404 (free_all_tagged_tu_seen_up_to): New function.
405 (tagged_types_tu_compatible_p): Return the val of the seen two
407 Add that the two types are the same to tagged_tu_seen_base
408 if they are and call comptypes_internal instead of comptypes.
409 <case UNION_TYPE>: Speed up common type where the fields are
411 (function_types_compatible_p): Call comptypes_internal instead of
413 (type_lists_compatible_p): Likewise.
414 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
416 2005-10-02 Matthias Klose <doko@debian.org>
418 * doc/invoke.texi: Fix typo and speling error.
420 2005-10-01 Richard Henderson <rth@redhat.com>
422 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
424 2005-10-01 Mark Mitchell <mark@codesourcery.com>
426 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
427 using --start-group and --end-group.
429 2005-10-01 Diego Novillo <dnovillo@redhat.com>
431 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
432 FIXME note regarding quirky semantics.
434 2005-10-01 Diego Novillo <dnovillo@redhat.com>
437 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
438 non-null range as a last resort.
440 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
441 Diego Novillo <dnovillo@redhat.com>
444 * tree-vrp.c (extract_range_from_assert): For !=
445 assertions, only build an anti-range if LIMIT is a
448 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
450 * arm.md (movqi): On thumb when optimizing, handle loading from
451 memory by describing this as taking a subreg of a zero-extended load
452 into an SImode register.
455 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
457 * reload1.c (merge_assigned_reloads): Do not change any
458 RELOAD_FOR_OUTPUT_ADDRESS reloads.
460 2005-09-30 Geoffrey Keating <geoffk@apple.com>
462 * Makefile.in (LIPO_FOR_TARGET): Define.
463 (STRIP_FOR_TARGET): Define.
465 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
466 before creating new ones. Do symlinks before creating the actual
469 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
470 to work out which multilibs are actually being built.
472 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
474 * tree-vect-transform.c, config/ms1/ms1.md,
475 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
476 Follow spelling conventions.
477 * doc/invoke.texi, doc/md.texi: Fix typos.
479 2005-09-30 Andrew Macleod <amacleod@redat.com>
481 PR tree-optimization/21430
482 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
483 use operands, and set stmt pointer if need be.
484 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
485 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
488 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
491 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
493 2005-09-29 Mark Mitchell <mark@codesourcery.com>
495 * optabs.c (expand_binop): Initialize first_pass_p.
497 2005-09-29 Jakub Jelinek <jakub@redhat.com>
500 * c-decl.c (c_write_global_declarations_1): If any
501 wrapup_global_declaration_2 call returned true, restart the loop.
503 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
505 Fix PR tree-optimization/24117
506 * tree-ssa-structalias.c (find_func_aliases): Strip nops
507 before considering whether to use anyoffset.
509 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
513 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
515 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
517 (swap_commutative_operands_with_target): New.
519 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
522 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
525 2005-09-29 Steven Bosscher <stevenb@suse.de>
527 PR tree-optimization/23911
528 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
529 and IMAGPART_EXPR too.
531 2005-09-28 Mark Mitchell <mark@codesourcery.com>
534 * expmed.c (expand_shift): Move logic to reverse rotation
535 direction when rotating by constants ...
536 * optabs.c (expand_binop): ... here.
537 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
538 (ix86_rotrdi3): New pattern.
539 (rotldi3): Handle 32-bit mode.
540 (ix86_rotldi3): New pattern.
542 2005-09-29 Alan Modra <amodra@bigpond.net.au>
545 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
546 check for numbers that need no bit twiddle.
548 2005-09-28 Geoffrey Keating <geoffk@apple.com>
550 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
551 multilib to be built.
553 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
554 (stage1-start): Delete old libgcc and libunwind before moving
555 anything into the stage directory.
556 (stage2-start): Likewise.
557 (stage3-start): Likewise.
558 (stage4-start): Likewise.
559 (stageprofile-start): Likewise.
560 (stagefeedback-start): Likewise.
561 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
562 header in tm_file and CPU-specific t-darwin in tmake_file.
563 (i[34567]86-*-darwin*): Don't change tm_file.
564 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
565 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
566 shared library stub for target OS version.
567 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
568 (SHLIB_LINK): Don't make SHLIB_SOLINK.
569 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
570 (libgcc_s.%.dylib): New.
572 (install-darwin-libgcc-stubs): New.
573 (INSTALL_LIBGCC): New append.
574 * config/i386/darwin-libgcc.10.4.ver: New.
575 * config/i386/darwin-libgcc.10.5.ver: New.
576 * config/i386/t-darwin: New.
577 * config/rs6000/darwin-libgcc.10.4.ver: New.
578 * config/rs6000/darwin-libgcc.10.5.ver: New.
579 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
580 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
582 2005-09-28 Paul Brook <paul@codesourcery.com>
584 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
587 2005-09-28 Richard Guenther <rguenther@suse.de>
589 PR tree-optimization/23853
590 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
591 host_integerp to verify misalignment value.
593 2005-09-28 Richard Henderson <rth@redhat.com>
595 * builtins.c (get_builtin_sync_mode): New.
596 (expand_builtin_sync_operation): Pass in mode argument.
597 (expand_builtin_compare_and_swap): Likewise.
598 (expand_builtin_lock_test_and_set): Likewise.
599 (expand_builtin_lock_release): Likewise.
600 (expand_builtin): Update to match.
602 2005-09-28 Nick Clifton <nickc@redhat.com>
604 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
605 formatting. Add check to PLUS case to ensure that the offset is
606 within an acceptable range.
608 * config/v850/v850.md (casesi): Disable the generation of the
609 switch pattern as it is not being handled properly at the moment.
611 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
612 for when the high words are identical.
614 2005-09-27 Richard Henderson <rth@redhat.com>
616 * pretty-print.c (pp_base_format): Fix typo for %>.
618 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
619 Devang Patel <dpatel@apple.com>
621 PR tree-optimization/23625
622 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
623 LABEL_EXPR, assertion check.
625 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
627 * optabs.c (no_conflict_move_test): Check if a result of a
628 to-be-moved insn would be clobbered by an originally
631 2005-09-27 Jeff Law <law@redhat.com>
633 * passes.c (init_optimization_passes): Replace copy propagation
634 passes immediately after DOM with phi-only copy propagation
635 pases. Add phi-only copy propagation pass after first DOM pass.
636 * tree-pass.h (pass_phi_only_copy_prop): Declare.
637 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
638 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
639 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
640 to init_copy_prop. Callers updated.
641 (do_phi_only_copy_prop): New function.
642 (pass_phi_only_copy_prop): New pass descriptor.
644 2005-09-27 Nick Clifton <nickc@redhat.com>
646 * libgcc2.c (__popcount_tab): Remove redundant prototype.
648 2005-09-26 Jason Merrill <jason@redhat.com>
651 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
653 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
655 2005-09-26 James E Wilson <wilson@specifix.com>
657 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
658 copyright. Add gcc copyright plus libgcc exception.
659 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
661 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
663 2005-09-26 Jeff Law <law@redhat.com>
665 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
666 about when to iterate.
668 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
671 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
672 for __complex__ double in -mcpu=G5 mode.
674 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
676 PR tree-optimization/23942
677 * Makefile.in (SCEV_H): Depends on PARAMS_H.
678 * tree-scalar-evolution.c: Include params.h.
680 (follow_ssa_edge, follow_ssa_edge_in_rhs,
681 follow_ssa_edge_in_condition_phi_branch,
682 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
683 Change return type to t_bool. Use a parameter to limit the size of
684 trees that are walked before stopping
685 (analyze_evolution_in_loop): Initialize the limit to 0.
686 (follow_ssa_edge): Give up by returning t_dont_know if the limit
687 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
689 2005-09-26 Uros Bizjak <uros@kss-loka.si>
692 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
693 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
695 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
697 * combine.c (make_extraction): Check for valid use of subreg.
699 2005-09-26 Uros Bizjak <uros@kss-loka.si>
702 * config/i386/i386.md ("*fistdi2_1"): New pattern.
703 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
704 ("fist<mode>2_with_temp"): Use only register operands.
706 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
708 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
709 CALL_INSN_FUNCTION_USAGE.
711 2005-09-26 Richard Guenther <rguenther@suse.de>
714 * gcse.c: Include hashtab.h, define ldst entry hashtable.
715 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
716 (ldst_entry): Use the hashtable instead of list-walking.
717 (find_rtx_in_ldst): Likewise.
718 (free_ldst_entry): Free the hashtable.
719 (compute_ld_motion_mems): Create the hashtable.
720 (trim_ld_motion_mems): Remove entry from hashtable if
721 removing it from list.
722 (compute_store_table): Likewise^2.
723 (store_motion): Free hashtable in case we did not see
726 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
728 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
729 and arg1 if we are passing them to fold_build2.
731 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
734 * config/i386/i386.c (ix86_function_regparm): Fix the test for
737 2005-09-25 Richard Henderson <rth@redhat.com>
739 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
740 SYMBOL_REF_TLS_MODEL to be correct.
742 2005-09-24 Richard Henderson <rth@redhat.com>
744 * ipa-type-escape.c (discover_unique_type): Remove dead code at
745 end of function. Reindent.
747 2005-09-24 Ian Lance Taylor <ian@airs.com>
749 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
750 NEGATE_EXPR/BIT_NOT_EXPR case.
752 2005-09-24 Richard Henderson <rth@redhat.com>
754 * c-common.c (handle_mode_attribute): When not modifying in place,
755 create subtypes for enumerations.
756 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
757 * gimplify.c (create_tmp_from_val): Likewise.
759 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
761 * config/i386/i386.md (*tls_global_dynamic_64,
762 *tls_local_dynamic_base_64): Add missing mode to call.
763 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
765 2005-09-24 Jan Hubicka <jh@suse.cz>
767 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
768 (cgraph_clone_node): Likewise.
769 * cgraph.h (cgraph_clone_edge): Update prototype.
770 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
771 duplicated prototypes; add updating argument.
772 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
773 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
775 (cgraph_mark_inline_edge): Likewise.
776 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
777 (cgraph_flatten_node): Likewise.
778 (cgraph_decide_recursive_inlining): Likewise.
779 (cgraph_decide_inlining_of_small_function): Likewise.
780 * tree-optimize.c (tree_rest_of_compilation): Likewise.
782 2005-09-23 David Edelsohn <edelsohn@gnu.org>
783 Pete Steinmetz <steinmtz@us.ibm.com>
785 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
786 (rldic.): Set type to "compare".
788 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
789 mfjmpr for MFCTR/MFLR.
790 (movdf_hardfloat64): Same.
791 (movdf_softfloat64): Same. Correct order of store and move types.
792 (movti_string): Set type to store_ux/load_ux.
793 (load_multiple): Set type to load_ux.
794 (store_multiple): Set type to store_ux.
795 (movmemsi): Set type to store_ux.
796 (output_cbranch direct_return): Set type to jmpreg.
797 (stmw): Set type to store_ux.
798 (lmw): Set type to load_ux.
799 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
800 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
801 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
802 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
803 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
804 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
805 (rios1-fpstore): Increase latency to 3.
806 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
807 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
809 2005-09-23 David Edelsohn <edelsohn@gnu.org>
810 Andrew Pinski <pinskia@physics.uc.edu>
812 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
813 operand2 constraint to "b".
814 (sync_<fetchop_name>di_internal): Same.
815 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
817 (sync_old_<fetchop_name>di_internal): Same.
818 (sync_new_<fetchop_name>si_internal): Same.
819 (sync_new_<fetchop_name>di_internal): Same.
821 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
824 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
825 case, define as macros.
827 PR rtl-optimization/23837
828 * optabs.c (no_conflict_move_test): Don't set must_stay for a
829 clobber / clobber match between dest and p->first.
831 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
832 (no_conflict_move_test): Update comments.
834 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
836 * doc/install.texi: Update URL for Jacks.
837 * doc/sourcebuild.texi: Likewise.
839 2005-09-22 David Edelsohn <edelsohn@gnu.org>
842 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
843 registers when choosing register preferences.
844 (movdf_hardfloat64): Same.
846 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
848 * expmed.c (expand_shift): Don't use the target of the rotate as
849 target for the first expanded shift insn.
850 * testsuite/gcc.dg/20050922-1.c: Testcase added.
852 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
854 PR tree-optimization/22438
855 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
856 preserved iv rhs rewriting specially.
858 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
860 * tree-data-ref.c (analyze_array_indexes): Only estimate when
861 estimate_only is true.
862 * tree-flow.h (ref_contains_indirect_ref): New prototype.
863 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
864 tree-ssa-structalias.c
865 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
866 ref_contains_indirect_ref.
867 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
869 2005-09-21 DJ Delorie <dj@redhat.com>
871 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
873 (mn10300_return_in_memory): Support variable size types also.
874 (mn10300_pass_by_reference): Likewise.
875 (mn10300_function_value): New.
876 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
877 (FUNCTION_OUTGOING_VALUE): Likewise.
878 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
879 * doc/invoke.texi: Document it.
881 2005-09-21 Uros Bizjak <uros@kss-loka.si>
884 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
885 force integer op1 into register for XFmode compares.
887 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
890 * expmed.c (alg_code): Add alg_impossible.
891 (alg_hash_entry): Add cost.
892 (synth_mult): Record alg_impossible in the hash table if
893 multiplication by a given integer is impossble within the
894 limit. Speed up using alg_impossible.
896 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
898 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
899 argument. Allow and set any offset if needs_anyoffset is passed
901 (get_constraint_for): Add argument here too.
903 (do_structure_copy): Pass NULL to get_constraint_for.
904 (handle_ptr_arith): Ditto.
905 (find_func_aliases): Ditto.
907 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
909 PR rtl-optimization/23898
910 * output.h (get_attr_min_length): Declare.
911 * final.c (get_attr_length_1): New function, broken out of:
913 (get_attr_min_length): New function.
914 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
915 (duplicate_computed_gotos): Likewise.
916 * genattr.c (insn_min_length): Generate declaration.
917 * genattrtab.c (min_fn, min_attr_value): New functions.
918 (make_length_attrs): Generate insn_min_length.
920 2005-09-20 Steve Ellcey <sje@cup.hp.com>
922 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
924 2005-09-20 Richard Henderson <rth@redhat.com>
926 PR tree-optimization/24059
927 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
930 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
932 * c.opt (fextended-identifiers): New.
933 * c-opts.c (c_common_handle_option): Handle
934 -fextended-identifiers.
935 * doc/cpp.texi: Update documentation of extended identifiers.
936 * doc/cppopts.texi (-fextended-identifiers): Document.
938 2005-09-20 Jakub Jelinek <jakub@redhat.com>
940 PR tree-optimization/23929
941 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
944 PR tree-optimization/23818
945 * tree-stdarg.c (execute_optimize_stdarg): Call
946 calculate_dominance_info.
948 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
950 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
951 (analyze_siv_subscript_cst_affine): Add weak SIV test.
952 (compute_overlap_steps_for_affine_1_2): Use
953 get_number_of_iters_for_loop.
954 (analyze_subscript_affine_affine): Check whether difference is
956 Use get_number_of_iters_for_loop.
957 Check whether overlap occurs outside of bounds.
958 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
960 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
962 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
963 base register if possible.
965 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
967 PR tree-optimization/18463
968 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
969 converting it directly is not possible.
970 (chrec_convert_aggressive): New function.
971 * tree-chrec.h (chrec_convert_aggressive): Declare.
972 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
973 Fold chrec conversions aggressively if asked to.
974 (instantiate_parameters): Modified because of changes in
975 instantiate_parameters_1.
977 2005-09-19 Richard Henderson <rth@redhat.com>
979 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
980 (reduc_splus_v2df): New.
982 2005-09-19 Richard Sandiford <richard@codesourcery.com>
984 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
985 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
987 2005-09-19 Richard Henderson <rth@redhat.com>
989 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
992 2005-09-19 Richard Henderson <rth@redhat.com>
994 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
995 (ia64_expand_dot_prod_v8qi): New.
996 * config/ia64/ia64-protos.h: Update.
997 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
998 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
999 sdot_prodv8qi, sdot_prodv4hi): New.
1000 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
1002 2005-09-19 Richard Henderson <rth@redhat.com>
1005 * real.c (exact_real_truncate): Return false if the format cannot
1006 represent the number as a normal.
1008 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
1009 for a memory source.
1011 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
1013 * tree-ssa-operands.c (swap_tree_operands): Export.
1014 * tree.h (swap_tree_operands): Declare.
1015 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
1016 Call swap_tree_operands.
1018 2005-09-19 Richard Henderson <rth@redhat.com>
1020 * tree-flow.h (merge_alias_info): Declare.
1021 * tree-ssa-copy.c (merge_alias_info): Export.
1022 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
1023 (vect_create_data_ref_ptr): Use create_iv directly.
1024 (vectorizable_load): Use correct types for integer constants.
1025 (vect_generate_tmps_on_preheader): Likewise.
1026 (vect_gen_niters_for_prolog_loop): Likewise.
1028 2005-09-19 Steven Bosscher <stevenb@suse.de>
1030 PR rtl-optimization/23943
1031 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
1033 2005-09-18 Jan Hubicka <jh@suse.cz>
1035 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
1037 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
1039 * varasm.c (output_constant): Do not abort on conversions to union
1040 types between different sizes.
1042 2005-09-18 Richard Guenther <rguenther@suse.de>
1045 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
1048 2005-09-18 Paul Brook <paul@codesourcery.com>
1050 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
1052 2005-09-17 Richard Henderson <rth@redhat.com>
1054 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
1055 * tree-ssa-loop.c (pass_vect_dce): Remove.
1056 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
1059 2005-09-17 Richard Henderson <rth@redhat.com>
1061 * tree-pass.h (pass_vect_dce): Declare.
1062 * passes.c (init_optimization_passes): Add it.
1063 * tree-flow.h (tree_ssa_dce): Declare.
1064 * tree-ssa-dce.c (tree_ssa_dce): Export.
1065 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
1066 (gate_tree_vectorize): ... here.
1067 (pass_vect_dce): New.
1069 2005-09-17 Jan Hubicka <jh@suse.cz>
1071 * except.c (struct eh_status): Turn region_array into vec.
1072 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
1073 convert_from_eh_region_ranges, find_exception_handler_labels,
1074 current_function_has_exception_handlers, assign_filter_values,
1075 build_post_landing_pads, dw2_build_landing_pads,
1076 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
1077 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
1078 foreach_reachable_handler, can_throw_internal_1,
1079 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
1081 (duplicate_eh_region_1): Update region_array.
1082 (duplicate_eh_regions): Resize region_array and avoid recomputing.
1084 2005-09-17 David Edelsohn <edelsohn@gnu.org>
1087 * expmed.c (expand_mult): Substitute simple register for op0 when
1090 2005-09-17 Richard Henderson <rth@redhat.com>
1092 * expr.c (emit_move_via_integer): Add force argument, pass it on
1093 to emit_move_change_mode. Update callers.
1094 (emit_move_complex): Pass true to new force argument.
1095 * function.c (expand_function_end): Move expand_eh_return call
1096 earlier. Merge sub-word complex values into a pseudo before
1097 copying to the return hard register.
1099 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
1101 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
1102 between different sizes.
1104 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
1108 * passes.c (init_optimization_passes): Register dump files for
1111 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
1113 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1114 * config/s390/s390.c (s390_overlap_p): New function.
1115 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1116 peephole2, "*xc" peephole2): Added overlap check to the peephole2
1119 2005-09-16 Richard Guenther <rguenther@suse.de>
1121 * ipa-pure-const.c (static_execute): Free auxiliar information.
1122 * ipa-type-escape.c (discover_unique_type): Free temporary key.
1123 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1125 2005-09-15 DJ Delorie <dj@redhat.com>
1127 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1129 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1131 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1133 (swap_commutative_operands_with_target): New.
1135 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
1137 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1140 (estimate_iters_using_array): New function.
1141 * tree-data-ref.h (estimate_iters_using_array): Prototype
1142 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1143 Use estimate_iters_using_array instead of analyze_array.
1145 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
1147 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1150 2005-09-15 Michael Matz <matz@suse.de>
1152 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1154 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
1156 PR tree-optimization/23835
1157 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1158 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1160 2005-09-14 Richard Henderson <rth@redhat.com>
1162 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1163 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1165 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
1167 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1168 in the ARRAY_TYPE case.
1170 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
1172 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1174 2005-09-14 Uros Bizjak <uros@kss-loka.si>
1177 * tree-vect-transform.c (vectorizable_operation): Return false for
1178 scalar shift operations and for vector shift operations with
1179 non-invariant shift arguments. Use scalar tree operand op1 as
1180 a shift operand when vector shift insn pattern uses scalar shift
1182 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1184 2005-09-14 Olivier Hainque <hainque@adacore.com>
1186 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1187 value if it has side-effects.
1189 2005-09-14 David Edelsohn <edelsohn@gnu.org>
1192 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1194 2005-09-14 Alan Modra <amodra@bigpond.net.au>
1196 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1197 passed as NAME as if it were label at start of function code.
1199 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
1201 * config/sh/sh.md (*movv4sf_i): Add general register cases to
1204 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1206 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1207 as early clobber. Rewrite so the PIC register is not implicitly used.
1209 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1211 * tree.c (annotate_with_file_line): Compare line numbers before
1214 2005-09-13 Uros Bizjak <uros@kss-loka.si>
1217 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1218 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1220 2005-09-13 Ian Lance Taylor <ian@airs.com>
1222 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1223 than a HOST_WIDEST_INT to gen_doloop_begin.
1225 2005-09-13 Diego Novillo <dnovillo@redhat.com>
1227 * tree-dfa.c (dump_variable): Guard against NULL annotations.
1229 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
1231 PR tree-optimize/23817
1232 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1234 2005-09-13 Alan Modra <amodra@bigpond.net.au>
1237 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1238 word before changing the stack pointer. Use gen_frame_mem for MEMs.
1239 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1240 (restore_stack_nonlocal): Likewise.
1241 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1243 2005-09-12 Ian Lance Taylor <ian@airs.com>
1246 * c.opt (ffriend-injection): New C++ option.
1247 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1248 (C++ Dialect Options): Document -ffriend-injection.
1250 2005-09-12 Josh Conner <jconner@apple.com>
1253 * ipa-reference.c (static_execute): Don't mark variables in
1254 named sections TREE_READONLY.
1256 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1258 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1261 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1263 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1264 V_MUST_DEF instead of just the first_use_p.
1265 Don't mark the virtual variables for renaming on the statement which
1267 (pass_dse): Remove TODO_update_ssa.
1269 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
1272 * stor-layout.c (compute_record_mode): For records with a single
1273 field, actually check the field's mode size against the type size.
1275 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1276 registers for TARGET_SHMEDIA.
1277 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1278 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
1279 of GENERAL_REGS and FP_REGS.
1281 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
1283 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1285 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1287 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1288 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1289 are omitted. Exclude stack_tie insn too.
1291 2005-09-11 David Edelsohn <edelsohn@gnu.org>
1293 PR rtl-optimization/23098
1294 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1296 * config/rs6000/rs6000.md (movdf splitter): Use
1297 const_double_operand predicate for TARGET_POWERPC64.
1298 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1299 SYMBOL_REF method to ABI_V4.
1301 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1302 replace_equiv_address.
1303 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1304 rs6000_sr_alias_set and MEM_NOTRAP.
1305 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1307 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
1309 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1310 handle CALL_EXPR again.
1312 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
1314 * arm/predicates.md (alignable_memory_operand): Delete.
1316 2005-09-10 Richard Henderson <rth@redhat.com>
1319 * dbxout.c (dbxout_expand_expr): New.
1320 (dbxout_symbol): Use it.
1322 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
1324 * arm.c (arm_gen_rotated_half_load): Delete.
1325 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1326 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1327 (thumb_set_return_address): Likewise.
1328 (thumb_load_double_from_address): Use adjust_address.
1329 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1330 (extendhsisi2_mem, movhi_bytes): Use change_address.
1331 (movhi): Use widen_memory_access.
1332 (reload_out_df): Use replace_equiv_address.
1333 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1335 2005-09-09 Richard Henderson <rth@redhat.com>
1338 * dbxout.c: Include expr.h.
1339 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1340 (dbxout_symbol): Handle DECL_VALUE_EXPR.
1341 * Makefile.in (dbxout.o): Add EXPR_H.
1343 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
1345 PR tree-optimization/23509
1346 * tree-cfg.c (replace_uses_by): Use replace_exp.
1347 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1348 pointers have name_mem_tag or type_mem_tag set.
1350 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1352 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1353 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1354 of wrongly accessing operands.
1356 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1358 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1359 * tree-chrec.c: Include tree-scalar-evolution.h.
1360 (chrec_convert): Instantiate the base and step before calling
1361 scev_probably_wraps_p that would fail on parametric evolutions.
1362 Collect all the fails into a single section failed_to_convert,
1363 print a diagnostic, and return chrec_dont_know instead of calling
1365 * tree-scalar-evolution.c (loop_closed_phi_def): New.
1366 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1368 (scev_const_prop): Don't replace the definition of a loop closed ssa
1369 phi node by itself, or by another loop closed ssa phi node.
1370 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1371 that base and step are defined.
1373 2005-09-09 Richard Guenther <rguenther@suse.de>
1376 * fold-const.c (fold_ternary): Check truth_value_p before
1377 calling invert_truthvalue.
1379 2005-09-09 Nick Clifton <nickc@redhat.com>
1381 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1382 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1383 dimension of these arrays.
1384 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1386 * longlong.h: Only provide a prototype for the __clz_tab[] array
1387 if this header has not been included from libgcc2.h.
1388 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1390 Provide prototypes for exported functions.
1391 Use the __clz_tab[] and __popcount_tab[] arrays provided by
1394 2005-09-08 Josh Conner <jconner@apple.com>
1398 * expr.c (expand_expr_addr_expr_1): Don't invoke
1399 expand_simple_binop for EXPAND_INITIALIZER.
1401 2005-09-08 Richard Henderson <rth@redhat.com>
1404 * toplev.c (wrapup_global_declaration_1): Split out ...
1405 (wrapup_global_declaration_2): ... from ...
1406 (wrapup_global_declarations): ... here. Return bool.
1407 (check_global_declaration_1): Split out ...
1408 (check_global_declarations): from here.
1409 (emit_debug_global_declarations): New.
1410 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1411 check_global_declaration_1, emit_debug_global_declarations): Declare.
1412 * c-decl.c (c_write_global_declarations_1): Don't create a vector
1413 of decls. Call wrapup_global_declaration_1,
1414 wrapup_global_declaration_2, check_global_declaration_1 directly.
1415 (c_write_global_declarations_2): New.
1417 (c_write_global_declarations): Call c_write_global_declarations_2.
1418 * langhooks.c (write_global_declarations): Call
1419 emit_debug_global_declarations.
1421 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
1422 remove decls that have DECL_RTL_SET_P.
1423 * passes.c (rest_of_decl_compilation): Invoke
1424 cgraph_varpool_finalize_decl for all but functions.
1426 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1428 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
1429 the result of a conversion if the new min and max cannot be compared.
1431 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
1433 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
1434 (override_options): Setting s390_sr_alias_set removed.
1435 (save_fpr, save_gprs): Set alias set to vararg or frame.
1436 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
1437 s390_sr_alias_set with get_frame_alias_set ().
1438 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
1439 get_varargs_alias_set ().
1441 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1445 * c-parser.c (c_parser_objc_method_definition): If the next
1446 token is not "{", error out and don't start the function.
1448 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1450 * tree-vrp.c (extract_range_from_expr): Move the check for non
1451 nullness after the check for gimple invariant.
1453 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1455 * tree.c (host_integerp, tree_low_cst): Correct function comment.
1457 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1460 * config/m32r.md (movmemsi_internal): Canonicalize order of
1461 operands in PLUS component of template.
1463 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
1465 * reload1.c (fixup_eh_region_note): Remove assertion.
1466 (fixup_abnormal_edges): Reverted removal of call to
1467 find_many_sub_basic_blocks made on 2005-08-31.
1469 2005-09-07 Richard Henderson <rth@redhat.com>
1471 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
1472 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
1473 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
1474 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
1475 rearrange for better packing.
1476 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
1477 (lookup_cfa_1): Remove inline marker.
1478 (cfa_equal_p): Split out of ...
1479 (def_cfa_1): ... here. Use INVALID_REGNUM.
1480 (build_cfa_loc): Handle !cfa->indirect.
1481 (frame_pointer_cfa_offset): New.
1482 (dbx_reg_number): Assert register elimination performed; do
1483 leaf register remapping.
1484 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
1485 (eliminate_reg_to_offset): New.
1486 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
1487 for verifiably local stack frame addresses; re-base to CFA.
1488 (mem_loc_descriptor): Remove can_use_fbreg argument.
1489 (concat_loc_descriptor, loc_descriptor): Likewise.
1490 (containing_function_has_frame_base): Remove.
1491 (rtl_for_decl_location): Don't do register elimination or
1492 leaf register remapping here.
1493 (secname_for_decl): Split out from ..
1494 (add_location_or_const_value_attribute): ... here.
1495 (convert_cfa_to_loc_list): New.
1496 (compute_frame_pointer_to_cfa_displacement): New.
1497 (gen_subprogram_die): Use them.
1498 * tree.h (frame_base_decl): Remove.
1499 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
1500 (prologue_stack_adjust): Remove.
1501 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
1502 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
1503 (set_frame_base_location): Remove.
1504 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
1505 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
1506 (vt_add_function_parameters): Don't eliminate_regs.
1507 (vt_initialize): Don't create frame_base_decl.
1509 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1511 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
1512 version of GNU binutils for 4.x and later.
1514 2005-09-06 Mark Mitchell <mark@codesourcery.com>
1516 * ggc-page.c (ggc_push_context): Remove.
1517 (ggc_pop_context): Likewise.
1518 * ggc.h (ggc_push_context): Remove.
1519 (ggc_pop_context): Likewise.
1521 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1524 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
1525 returning from an interrupt handler.
1527 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1530 * config/arc/arc.c (output_shift): Add check for loop count when
1533 2005-09-06 Steven Bosscher <stevenb@suse.de>
1535 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
1537 (abs_replacement): Likewise.
1538 (pass_phiopt): Remove TODO_update_ssa.
1540 2005-09-06 Jakub Jelinek <jakub@redhat.com>
1543 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
1544 if "return with no value, in function returning non-void" warning
1546 * tree-cfg.c (execute_warn_function_return): Don't look at
1547 RETURN_EXPRs with TREE_NO_WARNING set.
1550 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
1551 for internal functions doesn't use registers used by global registers
1552 variables. Use fewer register parameters if there are global register
1555 2005-09-06 Olivier Hainque <hainque@adacore.com>
1556 Eric Botcazou <ebotcazou@adacore.com>
1559 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
1560 when we would be extracting outside its bit span (bitpos+bitsize
1561 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
1562 Ada unchecked conversions.
1564 2005-09-06 Steven Bosscher <stevenb@suse.de>
1566 * tree-ssa-pre.c (try_look_through_load): New function.
1567 (compute_avail): Use it to try to look through loads for some
1568 more useful expressions.
1570 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1572 * simplify-rtx.c (simplify_binary_operation_1): Correct the
1573 condition for detecting cases like (a&a) and (a^a).
1575 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
1577 * common.opt: Add option ftree-vect-loop-version.
1578 * params.def: Add --param vect-max-version-checks.
1579 * doc/invoke.texi: Document ftree-vect-loop-version and
1580 --param vect-max-version-checks.
1581 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
1582 may_misalign_stmts and defines for accessors.
1583 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
1584 LOOP_VINFO_MAY_MISALIGN_STMTS.
1585 (destroy_loop_vec_info): VEC_free for
1586 LOOP_VINFO_MAY_MISALIGN_STMTS.
1587 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1588 Update documentation.
1589 (vect_update_misalignment_for_peel): New.
1590 (vect_enhance_data_refs_alignment): Update to choose loop
1591 peeling or loop versioning if appropriate for the (potentially)
1592 unaligned data references in the loop.
1593 (vect_analyze_data_refs_alignment): Remove call to
1594 vect_enhance_data_refs_alignment so the checks can be done
1596 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
1597 and move up call to vect_analyze_data_refs_alignment.
1598 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
1599 (vect_transform_loop): Add call to loop_version.
1601 2005-09-06 Jakub Jelinek <jakub@redhat.com>
1603 PR rtl-optimization/23098
1604 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
1605 * simplify-rtx.c (constant_pool_reference_p): New function.
1606 * rtl.h (constant_pool_reference_p): New prototype.
1607 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
1608 constant_pool_reference_p in condition and
1609 avoid_constant_pool_reference in preparation statements.
1611 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
1613 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
1614 STRICT_LOW_PART SETs.
1616 2005-09-06 Alan Modra <amodra@bigpond.net.au>
1619 * except.c (sjlj_emit_function_enter): Find the function begin
1620 note even when it's not in first basic block.
1622 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
1624 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
1625 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
1626 * aclocal.m4: Regenerate.
1628 2005-09-05 DJ Delorie <dj@redhat.com>
1630 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
1633 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
1635 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
1636 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
1637 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
1638 Follow spelling conventions.
1639 * doc/invoke.texi: Follow spelling conventions.
1641 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
1643 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
1644 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
1645 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
1647 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
1650 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
1651 (output_stack_adjust): Use gen_tmp_stack_mem.
1652 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
1653 (sh_set_return_address, sh_allocate_initial_value): Likewise.
1654 (sh_get_pr_initial_val): Likewise.
1655 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
1656 (sh_initialize_trampoline): Likewise. Also use adjust_address.
1657 * sh.md (divsi_inv_m0): Use gen_const_mem.
1658 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
1659 (movdf_i4+1): Use gen_tmp_stack_mem.
1660 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
1661 (fpu_switch+2): Likewise.
1662 (movv4sf_i, movv16sf_i): Use adjust_address.
1663 (symGOT_load): Set MEM_NOTRAP_P bit.
1665 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1668 * pa.c (emit_move_sequence): Fix typo in last change.
1670 2005-09-03 Jakub Jelinek <jakub@redhat.com>
1672 PR rtl-optimization/23454
1673 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
1676 2005-09-03 Richard Henderson <rth@redhat.com>
1677 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1680 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
1683 2005-09-02 Nicolas Pitre <nico@cam.org>
1685 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
1686 to bit_count to 32 bits.
1688 2005-08-31 Mark Mitchell <mark@codesourcery.com>
1691 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
1692 generating synthetic loads from volatile lvalues.
1694 005-09-02 Nick Clifton <nickc@redhat.com>
1696 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
1697 __ctzhi2, __clzhi2): New functions.
1699 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
1702 * tree-nested.c (struct var_map_elt): Mark with GTY.
1703 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
1705 (lookup_field_for_decl): Allocate new element in GC memory.
1706 (lookup_tramp_for_decl): Likewise.
1707 (convert_nl_goto_reference): Likewise
1708 (create_nesting_tree): Allocate info in GC memory. Likewise for
1710 (free_nesting_tree): Free with ggc_free instead of free.
1711 (root): New static variable.
1712 (lower_nested_functions): Remove root as local variable. And zero out
1713 root at the end of the function.
1715 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
1717 PR rtl-optimization/20365
1718 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
1719 to short. New member ix.
1720 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
1721 (simplify_plus_minus): Initialize ix members before calling qsort.
1723 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
1725 PR tree-optimization/23626
1726 * tree-cfg.c (replace_uses_by): Clean up eh info.
1728 2005-09-01 DJ Delorie <dj@redhat.com>
1730 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
1733 2005-09-01 David Edelsohn <edelsohn@gnu.org>
1735 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
1736 (rs6000_split_multireg_move): Use replace_equiv_address instead of
1739 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
1741 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
1742 do not issue warning for a variable definition following
1745 2005-09-01 Richard Henderson <rth@redhat.com>
1748 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
1749 conversion to CONST_VECTOR.
1751 2005-09-01 Richard Henderson <rth@redhat.com>
1754 * reload1.c (reload_as_needed): Check !CALL_P before calling
1755 fixup_eh_region_note.
1756 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
1758 2005-09-01 DJ Delorie <dj@redhat.com>
1760 * varasm.c (output_constant): Let the target resolve
1761 conversions of addresses to non-default pointer sizes.
1763 2005-09-01 Nicolas Pitre <nico@cam.org>
1765 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
1766 to alow matching ARM pre-indexed addressing mode.
1767 (arm_override_options): Remove now irrelevant comment.
1769 2005-09-01 Phil Edwards <phil@codesourcery.com>
1771 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
1772 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
1773 * config/i386/vxworks.h: Likewise.
1774 * config/i386/t-vxworksae: New file, for VxWorks AE.
1775 * config/i386/vxworksae.h: Likewise.
1777 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
1779 PR tree-optimization/23410
1780 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
1781 sequence is not wrapping during the first step.
1783 2005-09-01 Jakub Jelinek <jakub@redhat.com>
1786 * dwarf2out.c (base_type_die): Compare char_type_node with
1787 TYPE_MAIN_VARIANT (type), not type.
1789 2005-09-01 Richard Guenther <rguenther@suse.de>
1791 PR tree-optimization/15366
1792 * common.opt: Add -finline-functions-called-once.
1793 Put -fearly-inlining in alphabetically ordered place.
1794 * doc/invoke.texi: Document new option.
1795 * ipa-inline.c (cgraph_decide_inlining): Honour
1796 flag_inline_functions_called_once.
1798 2005-09-01 Jakub Jelinek <jakub@redhat.com>
1800 PR rtl-optimization/23478
1801 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
1802 (alloc_qty): Initialize it.
1803 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
1804 (combine_regs): Combine also n_throwing_calls_crossed fields.
1805 (find_free_reg): Don't attempt to caller-save pseudos crossing
1806 calls that might throw.
1807 * global.c (struct allocno): Add throwing_calls_crossed field.
1808 (global_alloc): Revert 2005-08-22 change. Initialize
1809 throwing_calls_crossed.
1810 (find_reg): Don't attempt to caller-save pseudos crossing calls that
1813 2005-09-01 Alan Modra <amodra@bigpond.net.au>
1816 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
1817 (mask64_operand): Reinstate code prior to 2005-06-11 change.
1818 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
1819 (and64_2_operand): Tweak to use predicate.
1820 (and_operand): Adjust for mask_operand changes.
1821 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
1822 (print_operand): Likewise.
1823 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
1824 (mask64_1or2_operand): Delete.
1825 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
1826 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
1827 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
1828 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1829 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1830 (rotldi3_internal4): Likewise.
1831 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1832 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1833 (ashldi3_internal7): Likewise.
1834 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1835 (ashldi3_internal, ashldi3_internal9 split): Likewise.
1836 (anddi3 split): Don't match mask64_operand.
1837 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
1838 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
1839 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
1840 't' splitter predicate.
1841 (movdi_internal64 + 2): Revert 2005-06-11 change.
1843 2005-08-31 DJ Delorie <dj@redhat.com>
1845 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1846 (m32c_asm_integer): Add support for 32 bit pointers.
1848 2005-08-31 Richard Henderson <rth@redhat.com>
1850 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1851 component-like references for setting MEM_NOTRAP_P.
1853 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1854 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1856 2005-08-31 Richard Henderson <rth@redhat.com>
1858 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1859 into a pseudo before applying gen_lowpart.
1861 2005-08-31 Geoffrey Keating <geoffk@apple.com>
1863 * doc/install.texi (Specific): Update cctools version required
1864 for full functionality.
1865 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1866 linkers as -macosx_version_min.
1868 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
1871 * sh.c (print_operand, %R and %S): Add handling of floating point
1872 registers, memory, constants and invalid operands.
1874 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
1876 * ipa-pure-const.c: Change dump name.
1878 2005-08-31 Uros Bizjak <uros@kss-loka.si>
1881 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1882 to "reg_or_0_operand".
1883 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1885 2005-08-31 Dale Johannesen <dalej@apple.com>
1887 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
1888 loops that count down.
1890 2005-08-31 Richard Henderson <rth@redhat.com>
1893 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1894 (fixup_eh_region_note): New.
1895 (reload_as_needed): Call it.
1896 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1897 don't call find_many_sub_basic_blocks; call verify_flow_info.
1898 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1899 (keep_stack_depressed): Likewise.
1900 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1902 2005-08-31 Richard Henderson <rth@redhat.com>
1904 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1907 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
1909 * expr.c (expand_expr_real_1): Compare size of address
1910 mode to target's address mode size in deciding expansion of
1911 the constant address.
1913 2005-08-31 Richard Guenther <rguenther@suse.de>
1916 * expr.c (all_zeros_p): New function.
1917 (expand_expr_real_1): Handle the case of an all-zero
1918 non-addressable constructor separately.
1920 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
1922 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
1923 arguments, adjust all callers.
1924 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
1926 2005-08-30 Richard Henderson <rth@redhat.com>
1929 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
1930 whenever the mode sizes match.
1932 2005-08-31 Alan Modra <amodra@bigpond.net.au>
1934 * calls.c (load_register_parameters): Fix comment typo.
1935 * expr.c (emit_push_insn): Comment formatting.
1937 2005-08-30 Ian Lance Taylor <ian@airs.com>
1939 * config/i386/x-cygwin (host-cygwin): Change dependency from
1940 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
1942 2005-08-29 Geoffrey Keating <geoffk@apple.com>
1944 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
1947 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1950 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
1951 call to ggc_collect.
1953 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
1956 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
1957 beginning. Remove $(INCLUDES) from all the rules, if following
1958 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
1960 2005-08-29 Jakub Jelinek <jakub@redhat.com>
1963 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1964 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1965 not constant, but maxlen is, don't set len to maxlen, rather
1966 set maxlen to len if len is a constant.
1968 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
1970 PR tree-optimization/23475
1971 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1974 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
1976 Fix PR middle-end/22455
1978 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1979 Checksum only the parts of the tree that exist for the tree code.
1981 2005-08-28 Dale Johannesen <dalej@apple.com>
1983 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
1985 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
1987 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1989 2005-08-28 Richard Henderson <rth@redhat.com>
1991 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1992 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1995 2005-08-28 Jakub Jelinek <jakub@redhat.com>
1998 * builtins.c (get_memory_rtx): Don't strip nops
1999 in between COMPONENT_REFs.
2001 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
2004 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
2006 (gimplify_modify_expr): Check for zero sized types and gimplify the
2007 rhs and lhs as statements.
2009 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
2012 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
2013 state for return address column of signal frames.
2015 2005-08-27 David Edelsohn <edelsohn@gnu.org>
2018 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
2019 bytes >= 2 not bytes == 2.
2020 (expand_block_move): Same.
2022 2005-08-27 Richard Guenther <rguenther@suse.de>
2025 * config/i386/sse.md (sse2_movsd): Add missing closing
2028 2005-08-27 Paul Brook <paul@codesourcery.com>
2030 * genrecog.c (enum decision_type): Add DT_num_insns.
2031 (struct decision_test): Add u.num_insns.
2032 (add_to_sequence): Add DT_num_insns test.
2033 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
2034 (write_cond, debug_decision_2): Ditto.
2035 (change_state): Assume peep2_next_insn never fails.
2036 Remove "afterward" argument.
2037 (write afterward, write_tree): Update to match.
2038 * recog.c (peep2_current_count): New variable.
2039 (peep2_next_insn): Check it.
2040 (peephole2_optimize): Set peep2_current_count.
2041 * recog.h (peep2_current_count): Declare.
2043 2005-08-26 Josh Conner <jconner@apple.com>
2046 * ipa-pure-const.c (check_tree): Check for volatile-ness
2047 when considering a dereference.
2049 2005-08-27 Jakub Jelinek <jakub@redhat.com>
2051 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
2053 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2055 PR rtl-optimization/23561
2056 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
2057 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
2058 at most LEN bytes long memory fits into the field.
2059 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
2060 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
2061 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
2063 2005-08-26 Richard Henderson <rth@redhat.com>
2066 * loop.c (biased_biv_may_wrap_p): New.
2067 (maybe_eliminate_biv_1): Use it to suppress non-equality
2068 comparison transformations. Delete disabled code.
2070 2005-08-26 Ian Lance Taylor <ian@airs.com>
2072 * combine.c (make_extraction): Avoid reference outside object.
2074 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
2076 * stor-layout.c (finalize_type_size): Restore behaviour for
2077 non-aggregate types to the status quo ante of the patch for
2078 pr 23467. Document why it matters.
2080 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2083 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
2084 array by one element, initialize the BT_LAST element with NULL.
2086 2005-08-26 David Edelsohn <edelsohn@gnu.org>
2088 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
2089 optimizing for size.
2091 (compare_plus_eqsi): Same.
2092 (plus_eqsi_compare): Same.
2093 (neg_eq0<mode>): Same.
2094 (neg_eq<mode>): Same.
2096 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
2099 2005-08-26 Nick Clifton <nickc@redhat.com>
2101 * config/v850/v850.c (ep_memory_operand): Return FALSE if
2102 TARGET_EP is not defined.
2103 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
2104 TARGET_EP is enabled.
2105 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
2106 * config/v850/v850.md (save_all_interrupt): Only use the EP
2107 register if TARGET_EP is defined.
2108 (restore_all_interrupt): Likewise.
2109 * config/v850/lib1funcs.asm: Update functions so that the EP
2110 register is only used if __EP__ is defined.
2112 2005-08-26 David Ung <davidu@mips.com>
2114 * config/mips/mips.c (mips_expand_prologue): Handle case when
2115 generating for MIPS16 and the outgoing argument area is more than
2116 SMALL_OPERAND. Use the frame pointer as temporary to generate the
2119 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
2121 * config/crx/crx.md: Make doloop_end pattern usage controllable
2122 via mloop-nesting=<max-nesting> command line switch. Make sure
2123 the combiner cannot use doloop_end_<mode> in an illegal way.
2124 * config/crx/crx.c: Use regs up to r6 for argument passing.
2125 Refine crx_address_cost (non cst4 displacements are expensive).
2126 * config/crx/crx.opt: Add switch for mloop-nesting=.
2128 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
2130 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2131 (UNSPEC_MVST): New constant.
2133 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
2135 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2136 Reject operands containing eliminable registers.
2137 * testsuite/gcc.dg/20050825-1.c: New testcase.
2139 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2140 Jan Hubicka <jh@suse.cz>
2142 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2144 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2146 PR tree-optimization/23546
2147 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2150 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
2152 * params.def (PARAM_MIN_SPEC_PROB): New.
2153 * sched-rgn.c (MIN_PROBABILITY): Delete.
2154 (compute_trg_info): Convert to PARAM_VALUE.
2155 * doc/invoke.texi (param): Document min-spec-prob.
2157 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
2159 * config/darwin.h: define __PIC__
2160 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2161 TARGET_OS_CPP_BUILTINS macro.
2163 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2165 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2168 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2170 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2172 * cfghooks.c (duplicate_block): Added position where to place
2173 new block as argument.
2174 * cfghooks.h (duplicate_block): Declaration changed.
2175 * cfglayout.c (copy_bbs): Add argument after. Pass it to
2177 * cfglayout.h (copy_bbs): Declaration changed.
2178 * cfgloop.h (loop_version): Declaration changed.
2179 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2180 position to copy_bbs.
2181 (loop_version): Pass position to duplicate_loop_to_header_edge.
2182 Add place_after argument and position new blocks according to
2184 * modulo-sched.c (sms_schedule): Pass place_after argument
2186 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2187 * tree-cfg.c (split_edge_bb_loc): New function.
2188 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2189 to determine position of new blocks.
2190 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2192 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2193 argument to duplicate_block.
2194 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2195 Pass position to copy_bbs.
2197 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2199 * fold-const.c (ptr_difference_const): Use
2200 cst_and_fits_in_hwi instead of host_integerp.
2202 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2204 * config/darwin.c (gen_pic_offset): New.
2205 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
2208 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
2210 PR tree-optimization/23486
2211 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2213 2005-08-23 Phil Edwards <phil@codesourcery.com>
2215 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
2216 remove use_collect2.
2217 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
2219 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
2220 configuration files to override the default value.
2222 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
2223 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2224 * config/vx-common.h: New file, split out from...
2225 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
2226 * config/vxworksae.h: New file, for VxWorks AE.
2227 * config/vxworks.opt: New file.
2228 * config/vxlib.c: Update for VxWorks 6.
2230 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
2231 other MULTILIB_* variables appropriately.
2232 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
2233 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
2234 * config/rs6000/vxworks.h: Update for VxWorks 6.
2235 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
2237 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
2240 * config/darwin.c (machopic_select_section): Remove the hack to
2241 mark "::operator new" and "::operator delete" for coalescing
2242 even though they are not weak.
2244 2005-08-24 Alan Modra <amodra@bigpond.net.au>
2246 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2247 * configure: Regenerate.
2249 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2252 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2254 * convert.c (convert_to_integer, convert_to_vector): Likewise.
2255 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2258 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2260 * config/rs6000/predicates.md (equality_operator): New.
2261 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2262 comparison with a large constant.
2264 2005-08-23 Mark Mitchell <mark@codesourcery.com>
2266 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2268 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
2270 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2271 registers is even, and we have a hardware double precision fp,
2273 (sh_gimplify_va_arg_expr): For floating point arguments, consider
2274 size of current argument when checking if argument was passed in
2277 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2280 * stor-layout.c (finalize_type_size): Dont override
2281 existing alignment with a smaller alignment from the mode.
2283 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2285 * lambda-code.c (lambda_vector_lexico_pos): Moved...
2286 * lambda.h (lambda_vector_lexico_pos): ... here.
2287 * tree-data-ref.c (build_classic_dist_vector): Return false when
2288 the distance vector is lexicographically negative.
2290 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2292 PR tree-optimization/23511
2293 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2294 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2296 2005-08-23 Jakub Jelinek <jakub@redhat.com>
2298 PR tree-optimization/22043
2299 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2300 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2301 If ALLOW_FLEXARR, handle types ending with flexible array member.
2302 Pass false as second argument to recursive count_type_elements calls.
2303 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2304 argument to count_type_elements call.
2305 * tree-sra.c (decide_block_copy): Likewise.
2306 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2307 for a constant-sized object, set cleared as well. Pass true as
2308 second argument to count_type_elements call.
2310 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2313 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2314 from legitimate_small_data_p, and make global. Update use.
2315 Remove forward declaration.
2316 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2318 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2320 2005-08-23 David Edelsohn <edelsohn@gnu.org>
2322 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2323 of scratch intermediates.
2324 (eq<mode>_compare): Same.
2325 (neg_eq0<mode>): New.
2326 (neg_eq<mode>): Convert to define_insn_and_split.
2328 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2331 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2332 stdarg functions, set/clear the fp marker even when no variable
2334 * config/rs6000/sysv4.opt (mprototype): Describe.
2336 2005-08-22 Jakub Jelinek <jakub@redhat.com>
2338 PR rtl-optimization/23478
2339 * regs.h (reg_info): Add throw_calls_crossed.
2340 (REG_N_THROWING_CALLS_CROSSED): Define.
2341 * flow.c (allocate_reg_life_data): Initialize
2342 REG_N_THROWING_CALLS_CROSSED.
2343 (propagate_one_insn, attempt_auto_inc): Update
2344 REG_N_THROWING_CALLS_CROSSED.
2345 * global.c (global_alloc): Don't allocate pseudos across
2346 calls that may throw.
2348 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
2351 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2352 value is inbetween the range if we did not find an exact match.
2354 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
2356 * doc/invoke.texi (Option Summary): Add ms1 options.
2357 * doc/extend.texi: Document interrupt handler attribute for ms1.
2358 * doc/md.texi: Document ms1 constraints.
2359 * config.gcc: Add ms1-*-elf.
2360 * config/ms1/ms1.h: New.
2361 * config/ms1/ms1.c: New.
2362 * config/ms1/ms1.md: New.
2363 * config/ms1/ms1-protos.h: New.
2364 * config/ms1/ABI.txt: New.
2365 * config/ms1/crti.asm: New.
2366 * config/ms1/crtn.asm: New.
2367 * config/ms1/lib2extra-funcs.c: New.
2368 * config/ms1/t-ms1: New.
2369 * config/ms1/ms1.opt: New.
2371 2005-08-22 Ira Rosen <irar@il.ibm.com>
2373 * config/rs6000/altivec.md (xorv4sf3): New.
2374 (negv4sf2, neg<mode>2): Likewise.
2376 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
2379 * config/ia64/ia64.md (divsi3): Check divide by zero.
2380 (udivsi3): Likewise.
2382 (udivdi3): Likewise.
2384 2005-08-21 Jakub Jelinek <jakub@redhat.com>
2386 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2387 up to elem_bitsize bits, not max_bitsize.
2389 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2391 PR tree-optimization/23433
2392 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2393 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2395 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2397 PR tree-optimization/23434
2398 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2399 the iteration bound is not an INTEGER_CST.
2401 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
2403 * tree-vect-transform.c (get_initial_def_for_reduction): Set
2404 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2405 NULL if need_epilog_adjust is false.
2406 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2407 Case 3 always peels first itration, not just for PLUS case, and no need
2408 to use scalar_initial_def here. Create an epilog adjustment only if
2409 scalar_initial_def is not NULL.
2411 (vectorizable_reduction): Remove assert.
2413 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
2416 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
2417 (__moddi3): Likewise.
2418 (__udivdi3): Likewise.
2419 (__umoddi3): Likewise.
2420 (__divsi3): Likewise.
2421 (__modsi3): Likewise.
2422 (__udivsi3): Likewise.
2423 (__umodsi3): Likewise.
2425 2005-08-20 Jakub Jelinek <jakub@redhat.com>
2427 * tree-pass.h (TDF_GRAPH): Define.
2428 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
2429 * passes.c (finish_optimization_passes): Only call
2430 finish_graph_dump_file if TDF_GRAPH is set.
2431 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
2432 NULL. Set TDF_GRAPH bit.
2433 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
2435 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
2437 * arm.h (arm_stack_offsets): Add locals_base field.
2438 * arm.c (arm_get_frame_offsets): Compute it.
2439 (thumb_compute_initial_elimination offset): Make the Thumb frame
2440 pointer point to the base of the local variables.
2441 (thumb_expand_prologue): Update accordingly.
2442 (thumb_expand_epilogue): Likewise.
2444 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
2445 mode of clobbered scratch to DImode. Handle a case that's known to
2448 2005-08-19 David Edelsohn <edelsohn@gnu.org>
2450 * config/rs6000/rs6000.md (gt0<mode>): Delete.
2451 (gt0<mode>_compare): Delete.
2452 (neg_gt0<mode>): Delete.
2454 2005-08-19 Eric Christopher <echristo@apple.com>
2456 * optabs.h: Change CTI_ to COI_.
2459 2005-08-19 James E Wilson <wilson@specifix.com>
2461 * builtins.c (expand_builtin_return_addr): Set
2462 current_function_accesses_prior_frames when count != 0. Use
2463 frame_pointer_rtx when count == 0.
2464 * function.h (struct function): Add accesses_prior_frames field.
2465 (current_function_accesses_prior_frames): Define.
2466 * reload1.c (init_elim_table): Check
2467 current_function_accesses_prior_frames.
2468 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
2470 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2472 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
2473 indicator. Return true if the flowgraph changed during
2476 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2479 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
2480 conditional expression before testing its value.
2482 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2484 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
2486 2005-08-19 Devang Patel <dpatel@apple.com>
2488 PR tree-optimization/23048
2489 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
2490 third parameter. Check whether latch is dominated by exit
2492 (if_convertible_loop_p): Supply exit block itself to
2493 if_convertible_bb_p.
2495 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2498 * arm.md (arm_load_pic_register): Change argument to the mask of
2499 saved registers. Call thumb_find_work_register if we need a
2500 scratch register on Thumb.
2501 (arm_expand_prologue): Pass empty register set to
2502 arm_load_pic_register.
2503 (thumb_expand_prologue): Pass live_regs_mask directly to
2504 arm_load_pic_register.
2505 * arm-protos.h (arm_load_pic_register): Update prototype.
2507 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
2509 * sh.c (find_sole_member): New function.
2510 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
2511 if the record's alignment is larger than the size of its only member.
2513 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2516 * arm.c (thumb_legitimize_reload_address): New function.
2517 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
2518 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
2520 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
2522 * config/crx/crx.c: Implement crx_decompose_address. Reject
2523 symbolic displacements since CRX register relative adressing
2524 mode can't handle unsigned 32-bit values as displacements.
2525 * config/crx/crx.h: Simplify definitions, remove redundant
2526 parenthesis and obsolete macros.
2527 * config/crx/crx.opt: Add new switch for debugging addresses.
2528 * config/crx/crx-protos.h: Add new declarations for above.
2530 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
2533 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
2536 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2538 * collect2.c (dup2): Delete.
2539 * configure.ac: Don't check for dup2.
2541 * config.in, configure: Regenerate.
2543 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
2545 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
2546 record with the type of its only member.
2548 2005-08-18 David Edelsohn <edelsohn@gnu.org>
2550 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
2551 define_insn_and_split.
2552 (plus_ltu<mode>_compare): Same.
2553 (gtu<mode>_compare): Same.
2554 (plus_gtu<mode>_compare): Same.
2556 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
2558 PR tree-optimization/22228
2559 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
2561 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
2562 are recorded in vect_vnames_to_rename for renaming.
2563 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
2564 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
2565 in vect_vnames_to_rename.
2566 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
2567 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
2569 2005-08-18 Jan Hubicka <jh@suse.cz>
2572 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
2573 info only for local statics, not for member variables.
2575 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2577 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
2579 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2581 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
2583 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
2586 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
2588 2005-08-17 James E Wilson <wilson@specifix.com>
2590 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2593 2005-08-17 David Edelsohn <edelsohn@gnu.org>
2595 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
2596 (leu<mode>_compare): Same.
2597 (plus_leu<mode>): Same.
2598 (neg_leu<mode>): Same.
2599 (and_neg_leu<mode): Same.
2600 (ltu<mode>_compare): Same.
2601 (plus_ltu<mode>): Same.
2603 (geu<mode>_compare): Same.
2604 (plus_geu<mode>): Same.
2605 (neg_geu<mode>): Same.
2606 (and_neg_geu<mode>): Same.
2607 (plus_gt<mode>): Same.
2608 (gtu<mode>_compare): Same.
2609 (plus_gtu<mode>): Same.
2611 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
2613 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
2614 Move call_table_data to end. Delete spurious .text.
2615 (callt_save_all_interrupt): Fix comment typo.
2617 2005-08-17 James E Wilson <wilson@specifix.com>
2618 Kevin Winchester <winchester@amirix.com>
2621 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
2623 2005-08-17 Uros Bizjak <uros@kss-loka.si>
2626 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
2627 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
2629 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
2631 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
2632 record with the type of its only member if the modes don't match.
2634 * varasm.c (decode_reg_name): Skip empty additional register names.
2636 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2638 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
2639 lsm_tmp_name_length): New.
2640 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
2641 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
2643 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2644 Andreas Krebbel <krebbel1@de.ibm.com>
2646 * config.gcc: Added z9-109 switch.
2647 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
2648 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
2649 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
2650 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
2651 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
2652 for "z9_109" cpu attribute.
2653 * config/s390/s390.c (z9_109_cost): New processor cost structure.
2654 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
2655 (s390_handle_arch_option): Added z9-109 switch.
2656 (override_options): Set respective cost function for z9-109.
2657 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
2658 (legitimate_reload_constant_p): Accept extended immediates.
2659 (print_operand): Three new output modifiers added: k, m and o.
2660 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
2661 (s390_output_mi_thunk): Use extended immediate when possible.
2662 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
2663 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
2664 (CONSTRAINT_LEN): Added length of O constraint.
2665 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
2666 * config/s390/s390.md ("cpu"): New value z9_109 added.
2667 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
2668 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
2669 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
2670 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
2671 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
2672 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
2673 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
2674 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
2675 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
2676 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2677 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
2678 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
2679 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
2680 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
2681 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
2683 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
2684 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
2685 insns for TARGET_EXTIMM.
2687 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
2689 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
2691 2005-08-17 Nick Clifton <nickc@redhat.com>
2693 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
2694 Call default_encode_section_info.
2696 2005-08-17 Steven Bosscher <stevenb@suse.de>
2698 PR tree-optimization/21574
2699 * tree-ssa-ccp.c (likely_value): If the right hand side is a
2700 constant, return CONSTANT.
2701 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
2702 (ccp_fold, visit_assignment): Likewise.
2703 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
2705 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
2707 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
2708 fold_buildN instead of buildN then fold_initializer or fold.
2709 (build_unary_op): Likewise.
2710 (build_binary_op): Likewise.
2711 * fold-const.c (fold_initializer): Remove.
2712 (fold_build1_initializer): New function.
2713 (fold_build2_initializer): New function.
2714 (fold_build3_initializer): New function.
2715 * tree.h (fold_initializer): Remove.
2716 (fold_build1_initializer): New function.
2717 (fold_build2_initializer): New function.
2718 (fold_build3_initializer): New function.
2720 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
2722 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
2723 (try_move_mult_to_index): Call fold_build2 instead of build2.
2724 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
2725 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
2726 fold_binary_to_constant.
2727 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
2729 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
2730 check if A == gcd (A, B). Remove TYPE argument.
2731 (analyze_offset) Use fold_build2 instead of fold (build.
2732 (create_data_ref): Likewise.
2733 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
2734 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
2737 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
2739 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
2740 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
2742 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
2745 * gimplify.c (zero_sized_type): New function.
2746 (gimplify_modify_expr_rhs): If we have a zero sized type,
2747 replace the statement with an empty statement.
2749 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
2751 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
2754 2005-08-16 Ian Lance Taylor <ian@airs.com>
2756 * doc/tm.texi (Label Output): Correct typo.
2758 2005-08-16 Steven Bosscher <stevenb@suse.de>
2761 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
2762 force_operand will work later on using have_insn_for.
2764 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2766 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
2768 2005-08-16 Ian Lance Taylor <ian@airs.com>
2771 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
2772 vector type, don't try to construct it element by element. Add an
2773 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
2775 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2777 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
2779 2005-08-16 Geoffrey Keating <geoffk@apple.com>
2781 * doc/invoke.texi (Precompiled Headers): Document some more options
2782 which are known to be safe.
2784 2005-08-16 James E Wilson <wilson@specifix.com>
2786 PR tree-optimization/21105
2787 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2788 TREE_OVERFLOW check.
2790 2005-08-16 David Edelsohn <edelsohn@gnu.org>
2792 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
2793 (neg_ltu<mode>): Same.
2795 (neg_gtu<mode>): Same.
2797 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2799 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
2800 (fold_builtin_isdigit): Use fold_buildN.
2801 (build_function_call_expr): Likewise.
2802 * c-typeck.c (c_finish_loop): Likewise.
2804 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
2805 Richard Shann <rshann@superh.com>
2807 PR middle-end/20396:
2808 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
2810 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
2812 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
2814 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
2817 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
2818 arm_compure_save_reg0_reg12_mask to determine when the PIC register
2821 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2824 * fold-const.c (build_range_check): Disable optimization for function
2825 pointer expressions on targets that require function pointer
2828 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
2830 * simplify-rtx.c (simplify_const_relational_operation): When
2831 extracting arguments of a COMPARE, recompute the mode as well.
2833 2005-08-15 Ian Lance Taylor <ian@airs.com>
2835 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2837 2005-08-15 DJ Delorie <dj@redhat.com>
2839 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2841 (movsi_splittable): Allow, but split, moves to the stack.
2842 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2845 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2847 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2848 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2849 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
2851 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2852 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2853 Delete HOST_PTR_PRINTF.
2855 * configure, config.in: Regenerate.
2857 2005-08-15 David Edelsohn <edelsohn@gnu.org>
2859 * config/rs6000/rs6000.md (QHSI): New mode macro.
2860 (wd): Extend mode attr for QImode and HImode
2861 (dbits): New mode attr.
2862 (zero_extend<mode>di2): Convert to mode macro.
2864 2005-08-15 Steve Ellcey <sje@cup.hp.com>
2867 * doc/invoke.texi (-mgnu-ld): Update description.
2870 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2873 * Makefile.in (tree-chrec.o): Depends on real.h.
2874 * tree-chrec.c: Include real.h.
2875 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2876 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2877 * tree-scalar-evolution.c (add_to_evolution_1,
2878 interpret_rhs_modify_expr): Ditto.
2880 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2883 * tree-data-ref.c (estimate_niter_from_size_of_data): When
2884 step is negative compute the estimation from init downwards to zero.
2886 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
2888 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2890 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2892 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2894 (legitimate_reload_constant_p): Fix handling of lliXX operands.
2895 Accept double-word constants that can be split.
2896 * config/s390/s390.md ("movti"): Use 'P' constraint.
2897 ("*movdi_31", "*movdf_31"): Likewise.
2899 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
2901 Fix PR tree-optimization/22615
2903 * tree-ssa-structalias.c (solution_set_add): Handle
2904 first_vi_for_offset returning NULL.
2905 (do_da_constraint): Ditto.
2906 (do_sd_constraint): Ditto.
2907 (do_ds_constraint): Ditto
2908 (find_func_aliases): Ditto.
2909 (build_constraint_graph): RHS is allowed be ANYTHING.
2910 (first_vi_for_offset): Return NULL if we couldn't find anything at
2913 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2915 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
2916 over memory as first operand.
2918 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
2921 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
2922 available for setting it.
2924 2005-08-14 Ira Rosen <irar@il.ibm.com>
2926 PR tree-optimization/23320
2927 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
2928 data-refs' types instead of base object nullness. Add check for
2929 pointer type data-refs before first location comparison. Remove
2932 2005-08-14 Andreas Schwab <schwab@suse.de>
2934 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
2936 2005-08-13 James E Wilson <wilson@specifix.com>
2938 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
2939 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
2940 -fstack-protector-all, --param ssp-buffer-size): Document.
2941 (-Wvariadic-macros): Alphabetize.
2942 (-fsched-stalled-insns-dep): Add missing 'f'.
2944 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
2947 2005-08-13 David Edelsohn <edelsohn@gnu.org>
2949 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
2950 or indirect address operand.
2951 (EXTRA_ADDRESS_CONSTRAINT): New.
2952 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
2954 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
2956 PR tree-optimization/22236
2957 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
2958 successors and predecessors.
2959 * tree-chrec.c (chrec_convert): Before converting, check that
2960 sequences don't wrap.
2961 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
2962 (analyze_array): Extern.
2963 (find_data_references_in_loop): Remove call to
2964 compute_estimated_nb_iterations.
2965 * tree-data-ref.h (analyze_array): Declared.
2966 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2967 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2968 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
2969 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
2971 * tree-ssa-loop-ivcanon.c: Fix documentation.
2972 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2973 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2974 (infer_loop_bounds_from_undefined): New.
2975 (estimate_numbers_of_iterations_loop): Use
2976 infer_loop_bounds_from_undefined.
2977 (used_in_pointer_arithmetic_p): New.
2978 (scev_probably_wraps_p): Pass an extra parameter. Call
2979 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
2980 (convert_step): Fix documentation.
2981 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2982 Use initial_condition_in_loop_num and evolution_part_in_loop_num
2983 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
2984 scev_probably_wraps_p.
2986 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
2988 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2989 (s390_register_info): Ignore clobbered_regs information for fixed
2990 registers, and only fixed registers.
2991 (s390_init_frame_layout): Remove redundant call.
2993 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
2995 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2996 description of -Wold-style-casts.
2998 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2999 Jakub Jelinek <jakub@redhat.com>
3001 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3002 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
3003 * config/s390/s390.c (print_operand): New output modifier 'G' added.
3004 (get_thread_pointer): Renamed to s390_get_thread_pointer.
3005 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
3006 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
3007 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
3008 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3009 ("stack_protect_set", "stack_protect_test"): New expanders.
3010 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
3011 "stack_protect_testdi"): New insn definitions.
3013 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3015 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
3017 2005-08-12 Paul Brook <paul@codesourcery.com>
3019 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
3021 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3023 * config/s390/predicates.md (setmem_operand): New predicate.
3024 (shift_count_operand): Accept ANDs with special constants as
3026 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
3027 with special constants.
3028 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
3029 shift_count_operand with setmem_operand.
3031 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3033 * config/s390/s390.c (s390_extract_part, s390_single_part):
3035 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
3036 (s390_output_mi_thunk): Don't use lg on 31 bit.
3037 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
3038 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
3040 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3042 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
3043 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
3044 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
3045 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
3046 with one of the new macros.
3048 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3050 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
3051 Don't set save_return_addr_p.
3052 (s390_register_info): Make clobbered_regs not depending on
3055 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
3057 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
3058 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
3060 2005-08-11 James E. Wilson <wilson@specifix.com>
3062 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
3064 2005-08-11 Jakub Jelinek <jakub@redhat.com>
3066 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
3067 locations gathered by var-tracking in single entry loc_list
3068 over loc_descriptor_from_tree.
3070 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
3071 pass it down to loc_descriptor.
3072 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
3073 (containing_function_has_frame_base): Move earlier in the file.
3074 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
3075 instead of always assuming fbreg can't be used.
3077 2005-08-11 David Edelsohn <edelsohn@gnu.org>
3079 * config/rs6000/altivec.md: Change constraint "m" to "Z".
3080 * config/rs6000/predicates.md (indexed_or_indirect_operand):
3081 Accept address wrapped in AND for Altivec.
3082 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
3083 Strip AND wrapping offset address for Altivec.
3085 2005-08-11 Richard Henderson <rth@redhat.com>
3088 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
3089 before using TYPE_IS_SIZETYPE.
3091 2005-08-11 Richard Henderson <rth@redhat.com>
3094 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
3095 insn types not present on ev4.
3096 (alphaev5_insn_pipe): Similarly.
3098 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
3101 * arm.c (arm_override_options): If the user has selected callee-super-
3102 interworking, then enable normal interworking.
3104 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3106 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
3109 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
3111 * doc/rtl.texi: Fix two typos.
3113 2005-08-11 Richard Guenther <rguenther@suse.de>
3116 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
3117 cases where we call to/from functions returning void.
3119 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
3122 * tree.c (build_pointer_type_for_mode): Robustify.
3124 2005-08-10 James E Wilson <wilson@specifix.com>
3126 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
3127 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
3129 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
3132 2005-08-10 Eric Christopher <echristo@apple.com>
3134 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
3135 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
3138 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
3141 * config/darwin.c (machopic_indirect_data_reference): Use a new register
3142 for the high part when generating dynamic-no-pic code.
3144 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
3146 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
3147 (x86_64-*-linux*): Likewise.
3149 * config/i386/crtfastmath.c: New file.
3150 * config/i386/t-crtfm: Likewise.
3152 * config/i386/linux.h (ENDFILE_SPEC): New.
3153 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
3155 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3158 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
3160 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
3161 (vec_shl, vec_shr): Document new operations.
3162 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
3164 2005-08-10 David Edelsohn <edelsohn@gnu.org>
3166 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
3167 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
3168 change predicate to indexed_or_indirect_address.
3170 2005-08-10 Richard Sandiford <richard@codesourcery.com>
3172 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
3173 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
3174 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
3175 and __aeabi_uwrite8.
3176 * config/arm/unaligned-funcs.c: New file.
3177 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
3179 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
3181 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
3183 * cfglayout.c (pass_insn_locators_initialize): Add dump.
3184 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
3186 * except.c (pass_convert_to_eh_region_ranges): Add dump.
3187 * final.c (pass_shorten_branches): Add dump.
3188 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
3189 (pass_life): Rename dump.
3190 (rest_of_handle_flow2): Remove initial verify_flow_info.
3191 * function.c (pass_instantiate_virtual_regs): Add dump.
3192 * integrate.c (pass_initial_value_sets): Add dump.
3193 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
3194 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
3195 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
3196 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
3197 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
3198 gate_rtl_unrool_and_peel_loops): New.
3199 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
3200 rtl_doloop): Do not look at flags.
3201 * mode-switching.c (pass_mode_switching): Add dump.
3202 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
3203 pass_split_before_regstack): Add dump.
3204 * regmove.c (pass_stack_adjustments): Add dump.
3205 * tree-optimize.c (pass_fixup_cfg): Add dump.
3207 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3210 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
3211 deciding which instruction sequence to use.
3213 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
3215 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
3216 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
3218 2005-08-09 Richard Guenther <rguenther@suse.de>
3220 * c-common.c (builtin_function_2): Remove.
3221 (def_builtin_1): New function.
3222 (c_common_nodes_and_builtins): Use def_builtin_1 to
3223 build builtin functions.
3225 2005-08-09 Jie Zhang <jie.zhang@analog.com>
3227 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
3228 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3229 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
3232 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3234 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
3235 fold_binary instead of fold_build2 since we don't care about the
3237 (loop_niter_by_eval): Likewise.
3238 (compare_trees): Likewise.
3239 (proved_non_wrapping_p): Likewise.
3241 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3245 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
3246 if the if is really empty.
3248 2005-08-09 Steven Bosscher <stevenb@suse.de>
3250 PR tree-optimization/23234
3251 * tree-ssa-math-opts.c (place_reciprocal): New enum.
3252 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
3253 argument of the new enum.
3254 (execute_cse_reciprocals): Add reciprocals for function arguments
3255 on the unique successor edge of the entry block. Update other calls
3256 to execute_cse_reciprocals_1.
3258 2005-08-08 Richard Henderson <rth@redhat.com>
3261 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3263 2005-08-08 Bob Wilson <bob.wilson@acm.org>
3265 * expr.c (write_complex_part): Return after handling MEM.
3267 2005-08-08 Josh Conner <jconner@apple.com>
3269 PR rtl-optimization/23241
3270 * combine.c (simplify_comparison): Fix error in determining
3271 whether to lift a subreg from comparison.
3273 2005-08-08 David Edelsohn <edelsohn@gnu.org>
3276 * config/rs6000/altivec.md (vec_init<mode>): New.
3277 (vec_set<mode>): New.
3278 (vec_extract<mode>): New.
3279 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3280 (rs6000_expand_vector_set): New.
3281 (rs6000_expand_vector_extract): New.
3282 (rs6000_legitimate_offset_address_p): Offset addresses are valid
3283 for Altivec modes before reload.
3284 (altivec_expand_vec_init_builtin): New.
3285 (get_element_number): New.
3286 (altivec_expand_vec_set_builtin): New.
3287 (altivec_expand_vec_ext_builtin): New.
3288 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3290 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3292 * config/rs6000/rs6000.h (rs6000_builtins): Add
3293 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3294 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3295 * config/rs6000/rs6000-protos.h: Declare new functions.
3297 2005-08-08 Jan Hubicka <jh@suse.cz>
3299 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3300 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3301 * i386.md (movdi*): Use pic_32bit_operand.
3302 * predicates.md (pic_32bit_operand): New.
3304 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
3307 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3309 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
3311 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3312 (test_for_singularity): Use fold_build2.
3314 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3316 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3318 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
3320 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3321 (COMMON_ASM_OP) Define.
3322 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3323 (ix86_encode_section_info): Likewise.
3324 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3325 SUBTARGET_ENCODE_SECTION_INFO.
3327 2005-08-06 Richard Henderson <rth@redhat.com>
3330 * tree-nested.c (convert_local_reference): Save and restore val_only
3331 around component_ref and friends. Clear walk_subtrees by default.
3333 2005-08-06 Peter O'Gorman <peter@pogma.com>
3336 * gcc.c (process_command): Check the argument to -b has a dash.
3337 * doc/invoke.texi: Update -b and -V docs.
3339 2005-08-06 James E Wilson <wilson@specifix.com>
3341 * config/mips/cross64.h, config/mips/t-cross64: Delete.
3343 2005-08-06 Michael Matz <matz@suse.de>
3345 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
3346 member only if only one insn is associated with the value.
3348 2005-08-06 Nick Clifton <nickc@redhat.com>
3350 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
3352 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
3353 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
3354 Check symbol flags instead of symbol name mangling.
3355 (xstormy16_asm_output_aligned_common): Likewise. Also
3356 simplify code since the bss100_section cass is the only case
3357 where the below100 code will be triggered.
3358 (xstormy16_encode_section_info): Encode below100 attribute
3359 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
3361 (xstormy16_strip_name_encoding): Delete - this function is no
3363 (TARGET_STRIP_NAME_ENCODING): Undefine.
3364 * config/stormy16/stormy16-protos.h: Delete prototype for
3365 xstormy16_strip_name_encoding.
3367 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
3369 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
3370 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
3371 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
3372 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
3373 config/alpha/predicates.md, config/arc/arc.h,
3374 config/arm/arm.h, config/arm/ieee754-df.S,
3375 config/arm/ieee754-sf.S, config/bfin/bfin.c,
3376 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
3377 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
3378 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
3379 config/m68hc11/m68hc11.h, config/mips/mips.c,
3380 config/mips/mips.h, config/mips/openbsd.h,
3381 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
3382 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
3383 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3384 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3385 config/sparc/linux.h, config/sparc/linux64.h,
3386 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
3387 doc/extend.texi, doc/gcov.texi, doc/install.texi,
3388 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
3389 typos. Follow spelling conventions.
3391 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
3394 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
3395 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
3396 specially. Check for side effects only for COND_EXPR.
3397 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
3398 return with TREE_NO_WARNING.
3400 2005-08-06 Richard Sandiford <richard@codesourcery.com>
3402 PR rtl-optimization/23233
3403 * loop.c (combine_movables): Require the modes to be the same.
3404 (move_movables): Remove handling of cases where the replacement
3405 had a different mode to the original.
3407 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
3409 PR tree-optimization/23128
3410 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
3411 subtraction wrap, and set TREE_OVERFLOW if they do.
3413 2005-08-05 Richard Henderson <rth@redhat.com>
3416 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
3417 FORCED_LABEL labels.
3419 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
3422 * reload.c (find_reloads_subreg_address): Pass down TYPE
3423 unchanged. Change all callers except find_reloads_toplev.
3425 2005-08-05 Michael Matz <matz@suse.de>
3427 * genattrtab.c (current_alternative_string): Remove.
3428 (SIMPLIFY_ALTERNATIVE): Ditto.
3429 (attr_alt_bit_p): Ditto.
3430 (alternative_name): Make const char *.
3431 (evaluate_eq_attr): Remove use of above things.
3432 (simplify_test_exp): Ditto.
3433 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
3434 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
3436 2005-08-04 James E Wilson <wilson@specifix.com>
3438 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
3439 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
3440 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
3441 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
3442 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
3444 2005-08-04 Richard Henderson <rth@redhat.com>
3447 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
3448 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
3449 * tree-sra.c (decide_block_copy): Use it. Disable element copy
3450 if we'd have to instantiate too many members.
3452 2005-08-04 Richard Henderson <rth@redhat.com>
3455 * tree-outof-ssa.c (coalesce_asm_operands): New.
3456 (coalesce_ssa_name): Use it. Split out ...
3457 (coalesce_phi_operands, coalesce_result_decls): ... these.
3459 2005-08-04 Paul Brook <paul@codesourcery.com>
3461 * read-rtl.c (read_quoted_string): Break if EOF.
3463 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
3465 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
3466 (fold_build2): Likewise.
3467 (fold_build3): Likewise.
3468 (fold_build1_stat): New function prototype.
3469 (fold_build2_stat): Likewise.
3470 (fold_build3_stat): Likewise.
3471 * fold-const.c (fold_build1): Rename to ..
3472 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3473 through to build1_stat.
3474 (fold_build2): Rename to ..
3475 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3476 through to build2_stat.
3477 (fold_build3): Rename to ..
3478 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3479 through to build3_stat.
3481 2005-08-04 David Edelsohn <edelsohn@gnu.org>
3482 Ian Lance Taylor <ian@airs.com>
3484 * function.c (assign_stack_local_1): Do not correct stack slot
3485 address if allocation size is smaller than mode size.
3487 2005-08-04 Diego Novillo <dnovillo@redhat.com>
3490 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
3491 (tree_merge_blocks): Propagate anything allowed by
3493 Clarify documentation.
3494 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
3495 SSA form, schedule an update if necessary.
3497 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
3499 * doc/install.texi (Binaries): Remove broken link to
3500 Sinix/Reliant Unix binaries.
3502 2005-08-03 Richard Henderson <rth@redhat.com>
3505 * function.c (stack_protect_epilogue): Export.
3506 * tree.h (stack_protect_epilogue): Declare.
3507 * calls.c (expand_call): Call it.
3509 2005-08-03 Eric Christopher <echristo@apple.com>
3511 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
3512 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
3515 2005-08-04 Jan Hubicka <jh@suse.cz>
3517 * profile.c (branch_prob): Split edges with goto locus on them
3518 to get proper line counts.
3519 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
3521 2005-08-03 Paul Brook <paul@codesourcery.com>
3523 * function.c (assign_parms): Round current_function_args_size
3524 to PARM_BOUNDARY, not STACK_BOUNDARY.
3526 2005-08-03 Geoffrey Keating <geoffk@apple.com>
3528 * config/i386/i386.c (x86_elf_aligned_common)
3529 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
3531 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
3533 PR tree-optimization/23157
3534 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
3535 before emitting them.
3537 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3539 PR tree-optimization/19899
3540 * Makefile.in (tree-scalar-evolution.o): Add real.h.
3541 * tree-scalar-evolution.c: Include real.h.
3542 (add_to_evolution): Build constant -1 of correct type.
3544 2005-08-03 Jan Hubicka <jh@suse.cz>
3546 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
3547 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
3548 profile updating for complette unrolling.
3549 * loop-unroll.c (peel_loop_completely): Use it.
3550 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
3551 (tree_unroll_loops_completely): Disable code growing unrolling of cold
3554 2005-08-03 Paul Brook <paul@codesourcery.com>
3556 * combine.c (can_change_dest_mode): New function.
3557 (try_combine, simplify_set): Use it.
3559 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
3561 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
3564 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
3566 * doc/install.texi (Specific): Adjust link to openavr.org.
3567 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
3568 (Binaries): Adjust HP-UX Porting Center link.
3569 (Binaries): Adjust Free Software Foundation ordering link.
3571 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
3573 * convert.c (convert_to_integer): Use fold_build1 instead of
3574 build1 when converting an integer to an integer.
3576 2005-08-02 Richard Henderson <rth@redhat.com>
3578 * combine.c (combine_instructions): Don't use reg_equal/equiv
3579 results if the mode doesn't match.
3581 2005-08-02 Mark Mitchell <mark@codesourcery.com>
3583 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
3584 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
3586 2005-08-02 Richard Henderson <rth@redhat.com>
3589 * explow.c (memory_address): Remove special-case for
3590 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
3592 2005-08-02 Diego Novillo <dnovillo@redhat.com>
3595 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
3596 number of calls to cleanup_tree_cfg_1.
3598 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
3600 * doc/invoke.texi: document file extensions .F90 and .F95
3602 2005-08-02 Richard Guenther <rguenther@suse.de>
3604 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
3605 positive if its first argument is positive.
3607 2005-08-02 Richard Guenther <rguenther@suse.de>
3609 PR tree-optimization/23177
3610 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
3613 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
3615 PR tree-optimization/23129
3616 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
3617 varying for divisions with anti-ranges.
3619 2005-08-02 Jan Hubicka <jh@suse.cz>
3621 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
3622 * tree-ssa-threadupdate.c (thread_block): Add it here.
3624 2005-08-01 James E Wilson <wilson@specifix.com>
3626 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
3627 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
3628 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
3630 * config/mips/predicates.md (const_call_insn_operand): Add check for
3631 SYMBOL_REF_LONG_CALL_P.
3632 * doc/extend.texi (long_call): Document the new attribute.
3634 2005-08-01 Ian Lance Taylor <ian@airs.com>
3635 Richard Henderson <rth@redhat.com>
3637 * Makefile.in (RTL_BASE_H): Add real.h.
3638 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
3640 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
3642 * rtl.c (rtl_check_failed_code_mode): New.
3643 * rtl.h (struct rtx_def): Add u.rv.
3644 (XCMWINT, XCNMPRV): New.
3645 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
3646 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
3648 2005-08-01 Richard Henderson <rth@redhat.com>
3650 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
3651 with auto-inc codes.
3653 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
3655 2005-08-01 Jan Hubicka <jh@suse.cz>
3657 * i386-protos.h (asm_preferred_eh_data_format): Declare.
3658 * i386.c: Include dwarf2.h
3659 (asm_preferred_eh_data_format): New.
3660 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
3662 2005-08-01 Ian Lance Taylor <ian@airs.com>
3664 * config/host-linux.c (linux_gt_pch_get_address): Add new name
3665 randomize_va_space for virtual address randomization control.
3667 2005-08-01 Steven Bosscher <stevenb@suse.de>
3669 * common.opt (flag_ipa_cp): Put in right place to maintain
3672 2005-08-01 Jan Hubicka <jh@suse.cz>
3674 * profile.c (compute_value_histograms): Fix thinko.
3675 * value-prof.c: Include toplev.h
3676 (check_counter): New function.
3677 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
3678 tree_mod_subtract_transform): Add sanity check.
3680 2005-08-01 Richard Guenther <rguenther@suse.de>
3682 PR tree-optimization/23133
3683 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
3684 current functions parameter decls to find defs to cse
3687 2005-08-01 Richard Guenther <rguenther@suse.de>
3689 PR tree-optimization/23109
3690 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
3691 If trapping math is in effect, use post-dominator information
3692 to check if we'd in any case reach a trapping point before
3693 doing the reciprocal insertion.
3694 (execute_cse_reciprocals): Compute post-dominators, if necessary.
3695 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
3696 expressions are invariant only if trapping math is not in effect.
3698 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
3700 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
3701 cgraph_function_versioning): New declarations.
3702 * cgraphunit.c: Add include to ipa-prop.h.
3703 (update_call_expr, cgraph_copy_node_for_versioning,
3704 cgraph_function_versioning): New functions.
3705 * integrate.c (copy_decl_for_inlining): Remove.
3706 * ipa-prop.h (ipa_replace_map): New struct.
3707 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
3708 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
3709 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
3710 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
3711 ipcp_iterate_stage, ipcp_method_scale_print,
3712 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
3713 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
3714 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
3715 ipcp_update_bb_counts, ipcp_update_profiling,
3716 ipcp_update_edges_counts): New functions.
3717 (ipcp_method_cval_init): Remove restriction regarding local methods.
3718 (ipcp_init_stage): Add ipcp_method_compute_scale.
3719 (ipcp_insert_stage): Add versioning.
3720 (ipcp_structures_print): Add ipcp_method_scale_print.
3721 (ipcp_driver): Dump profiling info.
3722 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
3723 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
3724 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
3725 (struct inline_data): Add versioning_p, ipa_info, new fields.
3726 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
3727 declare_return_variable): Replace calls to copy_decl_for_inlining with
3729 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
3731 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
3732 Add argument VERSIONING.
3733 (copy_arguments_for_versioning, copy_static_chain,
3734 function_versionable_p, tree_versionable_function_p,
3735 tree_function_versioning, replace_ref_tree): New functions.
3736 * tree-inline.h: Include varray.h.
3737 (tree_versionable_function_p, tree_function_versioning,
3738 tree copy_decl_for_dup): New declarations.
3740 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
3742 * ipa-cp.c: New file. Contains IPCP specific functionality.
3743 * ipa-prop.h: New file. Contains structures/definitions that can be
3744 used by several interprocedural data flow optimizations (and also IPCP).
3745 * ipa-prop.c: New file.
3746 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
3747 * common.opt: Add ipa-cp flag.
3748 * timevar.def: Add IPCP optimization.
3749 * tree-optimize.c (init_tree_optimization_passes): Schedule
3751 * tree-pass.h (pass_ipa_cp): Declare.
3753 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
3755 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
3756 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
3757 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
3758 config/i386/i386.c, config/mips/mips.h,
3759 config/rs6000/rs6000.h, config/sh/sh.c,
3760 config/stormy16/stormy16.c: Fix comment typos.
3762 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
3765 * c-typeck.c (build_binary_op): Use common_type wrapper on
3767 (common_type): Update comment.
3769 2005-07-31 Steven Bosscher <stevenb@suse.de>
3772 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
3773 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
3774 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
3776 2005-07-31 Jan Hubicka <jh@suse.cz>
3778 * pretty-print.h (pp_widest_integer): New macro.
3779 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
3782 2005-07-31 Jan Hubicka <jh@suse.cz>
3784 * output.h (enum section_category): Export from varasm.c
3785 (categorize_decl_for_section): Likewise.
3786 * varasm.c (enum section_category): Kill.
3787 (categorize_decl_for_section): Make global.
3788 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
3790 * i386.c (ix86_section_threshold): New static variable.
3791 (ix86_in_large_data_p, ix86_encode_section_info,
3792 x86_64_elf_unique_section,
3793 x86_64_elf_select_section): New functions.
3794 (TARGET_ENCODE_SECTION_INFO): Define
3795 (override_options): Enable medium model for PIC.
3796 (ix86_expand_prologue): Expand gen_set_got_rex64.
3797 (legitimate_constant_p): Handle new UNSPECs.
3798 (legitimate_pic_address_disp_p): Likewise.
3799 (legitimize_pic_address): Lower MEDIUM model addressing.
3800 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
3801 (enum cmodel): Add MEDIUM_PIC.
3802 (SYMBOL_REF_FAR_ADDR_P): New macro.
3803 (SYMBOL_FLAG_FAR_ADDR): New flag.
3804 * i386.md (movdi): Support medium model.
3805 (set_got_rex64): New pattern.
3806 * i386.opt (mlarge-data-threshold): New flag.
3807 * predicates.md (zext_operand/sext_operand): Deal with medium model.
3808 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
3809 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
3810 TARGET_ASM_UNIQUE_SECTION): New.
3812 * invoke.texi (-mlarge_data_threshold): Document
3814 2005-07-31 Jan Hubicka <jh@suse.cz>
3816 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
3817 (coalesce_vars): Likewise.
3818 * tree-ssa-live.c (coalesce_cost): New.
3819 (build_tree_conflict_graph): Use coalesce_cost.
3820 * tree-ssa-live.h (coalesce_cost): Declare.
3822 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
3824 * arm.md (all peepholes for post-increment operations): Delete.
3825 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
3826 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
3827 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
3828 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3829 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3831 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
3833 * fold-const.c (tree_expr_nonnegative_p): Always return true for
3836 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
3839 * doc/invoke.texi: Document -rdynamic.
3841 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
3844 * c-parser.c (c_parser_parms_list_declarator): Call
3845 mark_forward_parm_decls.
3846 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3847 decls with visibility structure.
3849 2005-07-30 Paul Brook <paul@codesourcery.com>
3851 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3853 2005-07-30 Paul Brook <paul@codesourcery.com>
3855 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3857 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3859 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3861 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3864 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3865 nested function declarators.
3866 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3867 (grokparms): Call warn_if_shadowing for parameters used within the
3869 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3870 not used within the parameter list.
3871 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3873 2005-07-30 Jan Hubicka <jh@suse.cz>
3875 * expr.c (expand_expr_real_1): Do not load mem targets into register.
3876 * i386.c (ix86_fixup_binary_operands): Likewise.
3877 (ix86_expand_unary_operator): Likewise.
3878 (ix86_expand_fp_absneg_operator): Likewise.
3879 * optabs.c (expand_vec_cond_expr): Validate dest.
3881 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3884 * real.c (real_from_string): Also set last bit if there is a
3885 nonzero hex digit beyond GCC's internal precision after ".".
3887 2005-07-29 David Edelsohn <edelsohn@gnu.org>
3889 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3890 define_constants. Change duplicate values to unassigned numbers.
3891 Change UNSPEC_SUBS to UNSPEC_VSUBS.
3892 (*altivec_vspltsf): New.
3893 (altivec_vperm_v4sf): Delete.
3894 (altivec_vperm_<mode>): Use mode macro V.
3895 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3896 (altivec_predicate_v4sf): Delete.
3897 (altivec_predicate_<mode>): Use mode macro V.
3898 (*altivec_lvesfx): New.
3899 (*altivec_stvesfx): New.
3900 (vec_realign_load_v4sf): Delete.
3901 (vec_realign_load_<mode>): Use mode macro V.
3902 * config/rs6000/rs6000.c (generate_set_vrsave): Use
3905 2005-07-29 Mark Mitchell <mark@codesourcery.com>
3908 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
3910 * configure: Regenerated.
3912 2005-07-29 Paul Brook <paul@codesourcery.com>
3914 * doc/install.texi: Add link to GFortran binaries wiki page.
3916 2005-07-29 David Ung <davidu@mips.com>
3918 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
3919 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
3920 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
3921 * config/mips/mips.md (cpu): Add 5kf name.
3922 (includes): Includes 5k.md.
3923 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
3924 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
3927 2005-07-29 Diego Novillo <dnovillo@redhat.com>
3930 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
3931 (cleanup_tree_cfg): ... here.
3932 Call cleanup_tree_cfg_1 until there are no more cleanups to
3935 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
3937 * tree-vrp.c (compare_range_with_value): Return true or false
3938 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
3939 EQ_EXPR respectively.
3941 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
3943 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
3946 2005-07-29 Diego Novillo <dnovillo@redhat.com>
3948 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
3949 (tree_ssa_dominator_optimize): Increment it.
3950 (dump_dominator_optimization_stats): Print it.
3952 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
3953 Steven Bosscher <stevenb@suse.de>
3955 PR rtl-optimization/23117
3956 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
3957 when head == tail. Tidy comment.
3959 2005-07-28 Richard Henderson <rth@redhat.com>
3961 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
3962 * cselib.c (rtx_equal_for_cselib_p): Likewise.
3963 * jump.c (rtx_renumbered_equal_p): Likewise.
3964 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3965 CONST_INT and CONST_DOUBLE.
3966 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3967 * reload.c (operands_match_p): Special case CONST_INT and
3968 CONST_DOUBLE; check mode earlier.
3970 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3973 * c-typeck.c (convert_for_assignment): Do not check
3974 DECL_IN_SYSTEM_HEADER on NULL fundecl.
3976 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3979 * c-typeck.c (composite_type): Prefer constant size arrays to
3982 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3985 * real.c (real_from_string): Set last bit if there is a nonzero
3986 hex digit beyond GCC's internal precision.
3988 2005-07-28 Richard Henderson <rth@redhat.com>
3991 * cfgcleanup.c (try_forward_edges): Watch out for end of
3994 2005-07-28 James E Wilson <wilson@specifixinc.com>
3997 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3999 2005-07-28 Jan Hubicka <jh@suse.cz>
4001 * Makefile.in (rtl-profile.o): Kill all traces of it.
4002 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
4003 * coverage.h (rtl_coverage_counter_ref): Kill.
4004 * opts.c (flag_speculative_prefetching_set): Kill.
4005 (flag_loop_optimize_set): New.
4006 (common_handle_option): Disable loop optimizer when profiling;
4007 do not handle speculative prefetching.
4008 * passes.c (init_optimization_passes): Replace pass_profiling combo
4009 by branch_prob pass.
4010 * profile.c (compute_value_histograms): Update for simplified value
4012 (rtl_register_profile_hooks): Kill.
4013 (pass_profiling): Kill.
4014 (rest_of_handle_branch_prob): Do not profile.
4015 * toplev.c (process_options): Remove speculative prefetching.
4016 * toplev.h (flag_tree_based_profiling): Kill.
4017 * tree-profile.c (prepare_instrumented_value,
4018 tree_gen_interval_profiler, tree_gen_pow2_profiler,
4019 tree_gen_one_value_profiler, do_tree_profiling): Update for
4020 simplified datastructures.
4021 * value-prof.c: Add comment that speculative prefetching was dropped;
4022 update rest of file for simplified datastructures.
4023 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
4024 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
4025 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
4026 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
4027 rtl_mod_subtract, gen_speculative_prefetch,
4028 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
4029 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
4030 (gate_handle_value_profile_transformations,
4031 rest_of_handle_value_profile_transformations,
4032 pass_value_profile_transformations): Kill.
4033 * value-prof.h (histogram_value_t): Remove IL based unions.
4034 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
4035 rtl_profile_hooks): Remove hooks.
4037 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
4039 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
4040 (cgraph_clone_node): Likewise.
4041 * cgraph.h (cgraph_clone_edge): Update prototype.
4042 (cgraph_clone_node): Likewise.
4043 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
4045 (lookup_recursive_calls): Consider profile.
4046 (cgraph_decide_recursive_inlining): Fix updating; use new
4047 probability argument; use profile.
4048 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
4049 * tree-inline.c (copy_bb): Update clal of clone_edge.
4050 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
4052 * invoke.texi (min-inline-recursive-probability): Document.
4054 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
4056 * doc/install.texi (Configuration): Update Valgrind homepage.
4058 2005-07-28 Richard Henderson <rth@redhat.com>
4061 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
4062 labels we want to delete.
4063 (cfg_layout_merge_blocks): Likewise.
4065 2005-07-28 Richard Henderson <rth@redhat.com>
4068 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
4069 when expanding to nothing.
4071 2005-07-28 Josh Conner <jconner@apple.com>
4073 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
4074 (cgraph_decide_inlining_of_small_functions): Likewise.
4076 2005-07-28 Josh Conner <jconner@apple.com>
4078 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
4079 direction of badness if negative.
4080 (cgraph_default_inline_p): Add reason to parameters, and assign it
4082 (cgraph_decide_inlining_of_small_functions): New parameter in call
4083 to cgraph_default_inline_p.
4084 (cgraph_decide_inlining_incrementally): Likewise.
4085 * cgraphunit.c (decide_is_function_needed): Likewise.
4086 * cgraph.h (cgraph_default_inline_p): Likewise.
4088 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4090 * builtins.c: Fix comment typo(s).
4091 * genautomata.c: Likewise.
4092 * gimplify.c: Likewise.
4093 * tree-dfa.c: Likewise.
4094 * tree-flow-inline.h: Likewise.
4095 * tree-into-ssa.c: Likewise.
4096 * tree-ssa-alias.c: Likewise.
4097 * tree-ssa-ccp.c: Likewise.
4098 * tree-ssa-copy.c: Likewise.
4099 * tree-ssa-dce.c: Likewise.
4100 * tree-ssa-dom.c: Likewise.
4101 * tree-ssa-operands.c: Likewise.
4102 * tree-tailcall.c: Likewise.
4103 * tree-vectorizer.c: Likewise.
4104 * tree-vrp.c: Likewise.
4107 2005-07-28 Jeff Law <law@redhat.com>
4109 * tree-vrp.c (test_for_singularity): Extracted from ...
4110 (simplify_cond_using_ranges): Attempt to simplify a relational
4111 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
4113 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
4115 PR tree-optimization/22506
4116 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
4117 phis whose argument is constant.
4119 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
4121 PR rtl-optimization/18992
4122 Back out this patch:
4123 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4124 PR optimization/12142
4125 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
4126 uses of the register in the SET_SRC. Remove unnecessary argument.
4128 Replace it with this:
4129 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
4130 if flag_non_call_exceptions is set and the insn may trap, pass
4131 pc_rtx as dest for recursion.
4132 In SET_SRC part of SET case, if dest is already set, pass it down
4135 2005-07-28 Jan Hubicka <jh@suse.cz>
4137 * cfg.c (update_bb_profile_for_threading): Use RDIV.
4138 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
4139 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
4141 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
4142 profile when available.
4144 2005-07-28 Jan Beulich <jbeulich@novell.com>
4146 * config/ia64/ia64.c (ia64_load_pair_ok): New.
4147 (ia64_print_operand): Describe and handle 'X'.
4148 (ia64_register_move_cost): Also handle FP_REGS.
4149 (ia64_preferred_reload_class): Likewise.
4150 (ia64_secondary_reload_class): Likewise.
4151 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
4152 it. Also check for ITANIUM_CLASS_FLDP.
4153 * config/ia64/ia64.h (FP_REGNO_P): New.
4154 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
4155 (reg_class): Add FP_REGS.
4156 (REG_CLASS_NAMES): Adjust for it.
4157 (REG_CLASS_CONTENTS): Likewise.
4158 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
4159 (REG_CLASS_FROM_LETTER): Handle 'x'.
4160 (CLASS_MAX_NREGS): Handle FP_REGS.
4161 (MEMORY_MOVE_COST): Likewise.
4162 * config/ia64/ia64.md (itanium_class): Add fldp.
4163 (type): Handle fldp.
4164 (movti_internal): More allowable operand combinations. Use ldfp8 when
4165 splitting unnecessary. Remove predicable attribute. Adjust
4166 itanium_class attribute.
4167 (smuldi3_highpart): Remove outdated comment.
4168 (mulditi3, umulditi3, rotlti3): New expanders.
4169 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
4170 (absti2): Disabled new insn for future reference.
4171 Respective new splitters.
4172 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
4173 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
4174 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
4176 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
4178 PR rtl-optimization/23047
4179 * simplify-rtx.c (simplify_const_relational_operation): Respect
4180 flag_wrapv for comparisons with ABS.
4182 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
4184 PR tree-optimization/22493
4185 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
4186 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
4188 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
4190 * config/frv/frv.opt (moptimize-membar): New.
4192 * doc/invoke.texi: Document -moptimize-membar and its inverse.
4194 * config/frv/frv.h: Remove machine_function definition.
4196 * config/frv/frv.c (struct frv_io): New.
4197 (struct machine_function): Moved from frv.h. Add has_membar_p.
4198 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
4199 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
4200 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
4201 (frv_optimize_membar_global, frv_optimize_membar): New functions.
4202 (frv_reorg): Call frv_optimize_membar when appropriate.
4203 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
4204 (frv_expand_builtin): Adjust calls accordingly.
4205 (frv_io_address_cookie): New function.
4206 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
4207 load or store rather than a special insn. Add ccnstant address and
4208 io-type operands to the membar.
4209 (frv_ifcvt_modify_tests): Unsign regno.
4210 (frv_ifcvt_modify_tests): Same.
4212 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
4213 UNSPEC_OPTIONAL_MEMBAR constant.
4214 (builtin_read_<mode>): Delete.
4215 (builtin_write_<mode>): Delete.
4216 ("optional_membar_<mode>"): Add operand.
4218 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
4219 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
4220 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
4221 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
4222 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
4223 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
4224 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
4225 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
4226 * testsuite/gcc.target/frv/all-read-write-1.c: New.
4228 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
4230 * df.c (df_uses_record): Handle SCRATCH.
4232 2005-07-28 Steven Bosscher <stevenb@suse.de>
4235 * passes.c (rest_of_decl_compilation): If decl is a type and
4236 we have encountered errors, don't emit debug information.
4238 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4240 * params.def: Fixed comment.
4242 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
4245 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
4246 (TARGET_ASM_UNALIGNED_HI_OP): Add.
4247 (TARGET_ASM_UNALIGNED_SI_OP): Add.
4249 2005-07-27 Steven Bosscher <stevenb@suse.de>
4252 * varasm.c (assemble_start_function): Don't do anything that may
4253 require a CFG if the current function is a thunk.
4255 2005-07-25 Geoffrey Keating <geoffk@apple.com>
4257 * doc/install.texi (Prerequisites): Mention that perl is needed
4258 to do export control in libstdc++ targetting Darwin.
4260 2005-07-27 Steven Bosscher <stevenb@suse.de>
4262 PR rtl-optimization/17808
4263 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
4264 (sched_insns_conditions_mutex_p): Split out from...
4265 (add_dependence): ...here. But don't call it from here.
4266 (add_dependence_list): Check sched_insns_conditions_mutex_p
4267 before calling add_dependence.
4268 (add_dependence_list_and_free): Likewise.
4269 (fixup_sched_groups): Likewise.
4270 (sched_analyze_1): Likewise.
4271 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
4272 (sched_analyze): Likewise.
4273 (sched_analyze_insn): Likewise.
4274 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
4275 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
4276 dependencies on all COND_EXEC insns to jumps ending basic blocks
4277 when doing intrablock scheduling.
4278 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
4280 2005-07-27 Jeff Law <law@redhat.com>
4282 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
4283 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
4284 equivalency sets, correctly handle the case were vr0 has an
4285 equivalency set, but vr1 does not.
4287 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
4289 PR tree-optimization/23073
4290 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4291 vect_print_dump_info before fprintf.
4293 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4295 PR tree-optimize/22348
4296 * tree-ssa-loop-niter.c (number_of_iterations_cond):
4297 Fold the partial computation.
4299 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4301 PR tree-optimization/22325
4302 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4304 * tree-scalar-evolution.c (scev_const_prop): Add generic final
4306 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4307 (force_var_cost): ... this function.
4308 (compute_phi_arg_on_exit): Export.
4310 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4312 PR tree-optimization/20773
4313 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4316 2005-07-27 Richard Guenther <rguenther@suse.de>
4318 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4319 Avoid pushing again if current struct contains only
4320 fields we decomposed.
4322 2005-07-27 Jan Hubicka <jh@suse.cz>
4324 PR tree-optimization/22574
4325 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4328 * tree-tailcall.c (decrease_profile): New function.
4329 (eliminate_tail_call): Use it.
4331 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4332 visibility flags correctly in whole program mode.
4334 2005-07-26 Steve Ellcey <sje@cup.hp.com>
4336 PR rtl-optimization/22472
4337 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4339 2005-07-26 Steven Bosscher <stevenb@suse.de>
4341 PR tree-optimization/22504
4342 * tree-complex.c (expand_complex_addition): Use 'code' instead
4343 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
4345 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4347 * config.gcc (cpu_type): Add frv case.
4348 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
4349 (supported_defaults): Add fr550 case.
4351 2005-07-26 Diego Novillo <dnovillo@redhat.com>
4354 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
4355 whether a pointer of type T * may point to objects of type T *.
4357 2005-07-26 DJ Delorie <dj@redhat.com>
4359 * configure: Regenerate.
4361 2005-07-26 Dale Johannesen <dalej@apple.com>
4363 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
4365 2005-07-26 Mark Mitchell <mark@codesourcery.com>
4367 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
4368 Clarify use of "build" in name.
4370 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4372 * doc/extend.texi (Raw read/write Functions): New section.
4373 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
4374 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
4375 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
4376 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
4377 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
4378 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
4379 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
4380 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
4381 * config/frv/frv.c: Add bdesc_loads global.
4382 Add bdesc_stores global.
4383 (frv_init_builtins): Add support for __builtin_{read/write}*.
4384 (frv_volatile_memref): New.
4385 (frv_expand_load_builtin): New.
4386 (frv_expand_store_builtin): New.
4387 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
4388 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
4389 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
4390 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
4391 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
4392 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
4393 (builtin_read_<mode>): New.
4394 (builtin_write_<mode>): New.
4395 (builtin_write64): New.
4396 (optional_membar_<mode>): New.
4398 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
4400 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
4401 (rather than units) against HOST_BITS_PER_WIDE_INT.
4403 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
4405 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
4406 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
4407 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
4408 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
4411 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
4412 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
4413 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
4415 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
4417 2005-07-26 Richard Guenther <rguenther@suse.de>
4419 PR tree-optimization/22486
4420 * fold-const.c (fold_unary): Fold away useless component
4421 references of the form (T *)&T.x, if the address
4424 2005-07-25 James E Wilson <wilson@specifixinc.com>
4426 * dwarf2out.c (add_call_src_coords_attributes): New.
4427 (gen_inlined_subroutine_die): Call it.
4428 (maybe_emit_file, init_file_table): Add comments.
4429 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
4431 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
4432 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
4433 * tree.h (BLOCK_SOURCE_LOCATION): New.
4434 (struct tree_block): New field locus.
4436 2005-07-26 Andreas Schwab <schwab@suse.de>
4438 PR rtl-optimization/23043
4439 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
4440 when allocating a struct unoccr.
4442 2005-07-25 Richard Henderson <rth@redhat.com>
4445 * tree-complex.c (gate_no_optimization): True if errors.
4446 * Makefile.in (tree-complex.o): Update dependencies.
4448 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
4450 * config/frv/predicates.md (integer_register_operand): Use
4453 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4456 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
4458 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
4460 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4462 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
4463 types when flag_unsafe_math_optimizations is true.
4465 2005-07-25 Mark Mitchell <mark@codesourcery.com>
4467 * gcc.c (option_map): Add --sysroot.
4468 (process_command): Handle --sysroot.
4469 (display_help): Document it.
4470 * doc/cppopts.tex (-isysroot): Document.
4471 * doc/invoke.texi (--sysroot): Document.
4472 * doc/install.texi (--with-build-sysroot): Document.
4474 * Makefile.in (inhibit_libc): New variable.
4475 (INHIBIT_LIBC_CFLAGS): Likewise.
4476 (LIBGCC2_CFLAGS): Include
4477 $(INHIBIT_LIBC_CFLAGS).
4478 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
4479 ($(T)crtbegin.o): Do not use @inhibit_libc@.
4480 ($(T)crtend.o): Likewise.
4481 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
4482 ($(T)crtendS.o): Likewise.
4483 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
4484 ($(T)crtendT.o): Likewise.
4485 (stmp-fixinc): Do not complain about missing headers if
4487 * configure.ac (inhibit_libc): Set it to true/false.
4488 (--with-build-sysroot): New option. Use it to set
4490 * configure: Regenerated.
4492 2005-07-25 Manfred Hollstein <mh@suse.com>
4494 * calls.c (store_one_arg): Fix unsigned comparison warning.
4496 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4499 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
4500 (ggc_print_statistics): Initialize variable before use.
4502 2005-07-25 Richard Guenther <rguenther@suse.de>
4504 * tree-dfa.c (mark_new_vars_to_rename): Protect against
4505 calling with a PHI_NODE argument.
4507 * tree-flow-inline.h (overlap_subvar): Protect against
4510 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
4512 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
4513 * configure: Regenerate.
4515 2005-07-25 Ira Rosen <irar@il.ibm.com>
4517 * expr.c (highest_pow2_factor): Make extern.
4518 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
4519 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
4520 record_array_differ_p, array_ptr_differ_p): Likewise.
4521 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
4522 additional cases. Call the above functions.
4523 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
4524 base_object_differ_p when there are two base objects. Otherwise, compare
4525 base address and offset. Call may_alias_p.
4526 (dump_data_reference): Use a correct field name.
4527 (analyze_array): Make static. Initialize new data-ref fields.
4528 (analyze_indirect_ref): New function.
4529 (init_data_ref): Initialize new data-ref fields.
4530 (strip_conversion): Moved from tree-vect-analyze.c.
4531 (analyze_offset_expr, get_ptr_offset, address_analysis,
4532 object_analysis): Likewise.
4533 (analyze_offset): New function.
4534 (create_data_ref): Likewise.
4535 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
4536 dimensions for ARRAY_REFs only.
4537 (build_classic_dist_vector): Make static.
4538 (access_functions_are_affine_or_constant_p): Call macro to get the
4539 address of access functions.
4540 (compute_all_dependences): Add new parameter
4541 compute_self_and_read_read_dependences. Compute self and read-read
4542 dependences if it is true.
4543 (find_data_references_in_loop): Call create_data_ref. Initialize new
4545 (compute_data_dependences_for_loop): Add new parameter
4546 compute_self_and_read_read_dependences. Remove parameter nb_loops,
4547 compute nb_loops. Call compute_all_dependences,
4548 build_classic_dist_vector and build_classic_dir_vector with correct
4550 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
4551 with correct parameters. Compare dimensions for ARRAY_REFs only.
4552 (free_data_refs): Call macro to free access functions.
4553 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
4554 fields from stmt_vinfo.
4555 (struct base_object_info): New structure.
4556 (struct data_reference): Move fields to base_object_info. Add fields
4557 first_location and object_info for above structures. Move fields from
4558 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
4559 aligned_to. Add macros to access the new fields.
4560 Update functions declarations.
4561 * tree-flow.h (is_aliased_with): Declare.
4562 * tree-loop-linear.c (linear_transform_loops): Call
4563 compute_data_dependences_for_loop with correct parameters.
4564 * tree-ssa-alias.c (is_aliased_with): New function.
4565 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
4566 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
4567 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
4568 vect_base_addr_differ_p, compute_subscript_distance and
4569 build_classic_dist_vector. Add printings. Check absolute value of
4571 (vect_analyze_data_ref_dependences): Go through ddrs instead of
4573 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
4574 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
4575 to bytes. Add printing.
4576 (vect_compute_data_refs_alignment): Go through loads and stores in one
4578 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
4579 vect_analyze_data_ref_access): Likewise.
4580 (vect_analyze_pointer_ref_access): Remove.
4581 (vect_address_analysis, vect_object_analysis): Likewise.
4582 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
4583 and analyze data-refs in the loop.
4584 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
4585 fields of data-ref instead of stmt. Add init to the offset from the
4587 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
4588 (vect_update_init_of_dr): Likewise.
4589 (vect_update_inits_of_drs): Go through loads and stores in one loop.
4590 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
4592 (new_loop_vec_info): Initialize new fields.
4593 (destroy_loop_vec_info): Free new fields.
4594 (vect_strip_conversion): Remove.
4595 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
4596 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
4597 datarefs. Add new field ddrs.
4598 Add macros for the new fields access.
4599 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
4600 base_aligned_p, misalignment, memtag, ptr_info and subvars.
4601 Remove their macros.
4602 * tree.h (highest_pow2_factor): Declare.
4604 2005-07-25 Jakub Jelinek <jakub@redhat.com>
4606 * calls.c (store_one_arg): Check for sibling call MEM arguments
4607 from already clobbered incoming argument area.
4609 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4611 * c-common.c (check_missing_format_attribute): New.
4612 * c-common.h (check_missing_format_attribute): Likewise.
4613 * c-typeck.c (convert_for_assignment): Use it.
4615 2005-07-24 Andreas Schwab <schwab@suse.de>
4617 * config/m68k/m68k.md ("extendqidi2"): When source is an address
4618 register use a word move. Correct operand of ext.w in 68000 code.
4620 2005-07-23 Mark Mitchell <mark@codesourcery.com>
4622 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
4623 variables as declarations, rather than definitions.
4625 2005-07-24 Ira Rosen <irar@il.ibm.com>
4627 PR tree-optimization/22526
4628 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
4631 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4633 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
4634 that C99 reserve for future use. Use it to define clog10,
4635 clog10f and clog10l.
4637 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4639 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
4640 * configure.ac: Check for -Wmissing-format-attribute.
4642 * configure: Regenerate.
4644 2005-07-23 Richard Henderson <rth@redhat.com>
4646 PR tree-optimization/22623
4647 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
4649 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
4652 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
4654 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4656 * Makefile.in (C_TREE_H): Update dependencies.
4657 * c-tree.h: Include toplev.h.
4658 * diagnostic.h (diagnostic_set_info): Add format attribute.
4659 * rtl-error.c (diagnostic_for_asm): Likewise.
4661 2005-07-23 Chao-ying Fu <fu@mips.com>
4663 * config/mips/mips-dsp.md: New file.
4664 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
4665 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
4667 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
4668 MIPS_BUILTIN_BPOSGE32.
4669 (mips_expand_builtin_direct): Add one parameter to indicate that
4670 builtin functions need to return a value.
4671 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
4673 (mips_regno_to_class): Add classes for 12 new DSP registers.
4674 (mips_subword): Change to check four HI registers.
4675 (mips_output_move): Output move to and from 6 new DSP accumulators.
4676 (override_options): Make sure -mdsp and -mips16 are not used together.
4677 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
4679 (mips_conditional_register_usage): Disable 6 new DSP accumulators
4681 (print_operand): Add 'q' for printing DSP accumulators.
4682 (mips_cannot_change_mode_class): Check ACC_REGS.
4683 (mips_secondary_reload_class): Check ACC_REGS.
4684 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
4685 (mips_register_move_cost): Check ACC_REGS.
4686 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
4687 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
4688 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
4689 (dsp_bdesc): New array.
4690 (bdesc_arrays): Add DSP builtin function table.
4691 (mips_prepare_builtin_arg): Check predicate again after
4693 (mips_expand_builtin): Add one more parameter to
4694 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
4695 MIPS_BUILTIN_BPOSGE32.
4696 (mips_init_builtins): Initialize new function types.
4697 (mips_expand_builtin_direct): Check if builtin functions need to
4698 return a value and pass operands properly.
4699 (mips_expand_builtin_bposge): New function.
4700 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
4701 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
4702 (FIRST_PSEUDO_REGISTER): Increase to 188.
4703 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4704 Update for 12 new DSP registers.
4705 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
4706 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
4707 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
4708 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
4709 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
4710 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
4711 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
4712 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
4713 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
4714 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
4715 (REGISTER_NAMES): Add names for 12 new DSP registers.
4716 * config/mips/mips.md: Include mips-dsp.md.
4717 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
4718 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
4719 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
4720 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
4721 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
4722 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
4723 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
4724 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
4725 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
4726 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
4727 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
4728 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
4729 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
4730 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
4731 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
4732 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
4733 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
4734 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
4735 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
4736 (UNSPEC_RDDSP): New constants.
4737 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
4738 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
4740 * config/mips/mips.opt (-mdsp): New option.
4741 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
4742 (reg_imm10_operand): New predicates.
4743 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
4744 * doc/invoke.texi (-mdsp): Document new option.
4746 2005-07-22 DJ Delorie <dj@redhat.com>
4748 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
4750 * tree-inline.c (inlinable_function_p): Likewise.
4752 2005-07-22 Mark Mitchell <mark@codesourcery.com>
4755 * toplev.c (check_global_declarations): Do not mark undefined
4756 variables as DECL_IGNORED_P.
4757 * varasm.c (first_global_object_name): GTY it.
4758 (weak_global_object_name): Likewise.
4759 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
4760 a string to go into {weak,first}_global_object_name.
4762 2005-07-22 DJ Delorie <dj@redhat.com>
4764 * c-format.c (check_function_format): Change warning control
4765 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
4767 2005-07-22 Diego Novillo <dnovillo@redhat.com>
4769 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
4770 &PTR->FLD a dereference of PTR.
4771 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
4772 a potential dereference of PTR.
4774 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
4776 PR rtl-optimization/20370
4777 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
4778 call allocate_reg_info if necessary.
4780 PR rtl-optimization/21848
4781 * calls.c (emit_library_call_value_1): For const functions, add
4782 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
4784 PR rtl-optimization/22445
4785 * cselib.c (target.h): Include.
4786 (rtx_equal_for_cselib_p): Allow commutative matches.
4787 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
4788 Remove MODE parameter. Changed all callers.
4790 PR rtl-optimization/22258
4791 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
4793 (try_combine): Use likely_spilled_retval_p.
4795 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
4797 * config.gcc: Add crx-elf support.
4799 * doc/contrib.texi: Mention crx.
4800 * doc/extend.texi: Document crx extensions.
4801 * doc/install.texi: Document crx install.
4802 * doc/invoke.texi: Document crx options.
4803 * doc/md.texi: Document crx constraints.
4805 * config/crx/crx-protos.h: New file.
4806 * config/crx/crx.c: New file.
4807 * config/crx/crx.h: New file.
4808 * config/crx/crx.md: New file.
4809 * config/crx/crx.opt: New file.
4810 * config/crx/t-crx: New file.
4812 2005-07-22 Manfred Hollstein <mh@suse.com>
4814 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
4816 (int_add_graph_edge): Likewise.
4817 (collapse_nodes): Likewise.
4818 (process_unification_queue): Likewise.
4820 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4821 Laurent GUERBY <laurent@guerby.net>
4823 PR tree-optimization/22336
4824 * function.c (record_block_change): Check for
4825 cfun->ib_boundaries_block.
4827 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
4829 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
4830 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
4832 2005-07-21 DJ Delorie <dj@redhat.com>
4834 * toplev.c (warn_deprecated_use): Add warning control to warning
4836 * c-typeck.c (parser_build_binary_op): Likewise.
4837 (c_finish_if_stmt): Likewise.
4838 * c-common.c (check_function_sentinel): Likewise.
4839 (check_nonnull_arg): Likewise.
4841 2005-07-21 Richard Henderson <rth@redhat.com>
4844 * tree-complex.c (complex_ssa_name_components): New.
4845 (cvc_lookup): Allow entry not found.
4846 (create_components): Remove.
4847 (create_one_component_var, get_component_var): New.
4848 (get_component_ssa_name, set_component_ssa_name): New.
4849 (extract_component): Use get_component_ssa_name.
4850 (update_complex_components): Use set_component_ssa_name.
4851 (update_complex_components_on_edge): Likewise.
4852 (update_phi_components): Create new PHI nodes directly, instead
4853 of adding insns to edges.
4854 (tree_lower_complex): Allocate and free complex_variable_components
4855 and complex_ssa_name_components here.
4857 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
4859 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
4860 revert to returning false.
4862 2005-07-21 Uros Bizjak <uros@kss-loka.si>
4865 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
4867 2005-07-21 Uros Bizjak <uros@kss-loka.si>
4870 * config/i386/i386.md (cmpxf): Change operand constraints
4871 to "nonmemory_operand".
4873 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4875 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
4877 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4880 * fold-const.c (fold_build1): Add checksum for the operands.
4881 (fold_build2): Likewise.
4882 (fold_build3): Likewise.
4884 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4887 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
4889 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4891 * common.opt (-fforward-propagate): Committed by mistake,
4894 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4896 * reg-stack.c: Fix comment typo(s).
4897 * tree-ssa-operands.c: Likewise.
4898 * tree-vectorizer: Likewise.
4900 2005-07-21 Nick Clifton <nickc@redhat.com>
4902 * config/sh/symbian.c: Replace C++ style line comments with C
4903 style line comments.
4904 (symbian_add_attribute): Do not use a ? operator on the LHS of
4906 (sh_symbian_handle_dll_attribute): Change the type of the
4907 method vector to "VEC(tree,gc)*" and use vector accessor
4908 macros to walk over the elements.
4909 (symbian_export_vtable_and_rtti_p): Likewise.
4910 (symbian_class_needs_attribute_p): Likewise.
4912 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4915 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
4916 initialize targetm.resolve_overloaded_builtin here.
4917 (altivec_expand_overloaded_builtin): Make it non-static.
4918 * config/rs6000/rs6000-protos.h
4919 (altivec_expand_overloaded_builtin): New prototype.
4920 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
4921 targetm.resolve_overloaded_builtin here.
4922 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
4924 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4925 Zdenek Dvorak <dvorakz@suse.cz>
4927 PR tree-optimization/19210
4928 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
4930 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
4931 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
4932 rely on unproven assumptions.
4933 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
4934 * tree-flow.h (number_of_iterations_exit): Add final parameter.
4935 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
4936 to number_of_iterations_exit.
4937 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
4938 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
4939 * tree-ssa-loop-niter.c (find_loop_niter,
4940 estimate_numbers_of_iterations_loop): Likewise.
4941 (number_of_iterations_exit): Honor the new options.
4942 * doc/invoke.texi (Wunsafe-loop-optimizations,
4943 funsafe-loop-optimizations): Document them.
4945 2005-07-21 Richard Sandiford <richard@codesourcery.com>
4947 PR rtl-optimization/22167
4948 * gcse.c (hoist_code): Fix hoist_exprs[] check.
4950 2005-07-20 Adam Nemet <anemet@lnxw.com>
4952 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
4953 __do_global_dtors_aux longcall.
4955 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
4957 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
4958 (old_special_pred_table): Don't reference
4959 SPECIAL_MODE_PREDICATES.
4960 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
4961 * config/arc/arc.h: Don't mention PREDICATE_CODES.
4962 * config/sh/predicates.h: Don't mention
4963 SPECIAL_MODE_PREDICATES.
4964 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
4967 2005-07-20 DJ Delorie <dj@redhat.com>
4969 * config.gcc: Add m32c-elf support.
4971 * doc/contrib.texi: Mention m32c.
4972 * doc/extend.texi: Document m32c extensions.
4973 * doc/install.texi: Mention m32c.
4974 * doc/invoke.texi: Document m32c options.
4975 * doc/md.texi: Document m32c constraints.
4977 * config/m32c/addsub.md: New file.
4978 * config/m32c/bitops.md: New file.
4979 * config/m32c/cond.md: New file.
4980 * config/m32c/jump.md: New file.
4981 * config/m32c/m32c-lib1.S: New file.
4982 * config/m32c/m32c-lib2.c: New file.
4983 * config/m32c/m32c-modes.def: New file.
4984 * config/m32c/m32c-pragma.c: New file.
4985 * config/m32c/m32c-protos.h: New file.
4986 * config/m32c/m32c.abi: New file.
4987 * config/m32c/m32c.c: New file.
4988 * config/m32c/m32c.h: New file.
4989 * config/m32c/m32c.md: New file.
4990 * config/m32c/m32c.opt: New file.
4991 * config/m32c/minmax.md: New file.
4992 * config/m32c/mov.md: New file.
4993 * config/m32c/muldiv.md: New file.
4994 * config/m32c/predicates.md: New file.
4995 * config/m32c/prologue.md: New file.
4996 * config/m32c/shift.md: New file.
4997 * config/m32c/t-m32c: New file.
4999 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5001 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5002 (stack_protect_set, stack_protect_test): New expanders.
5003 (stack_protect_set_si, stack_protect_set_si_media,
5004 stack_protect_set_di_media, stack_protect_test_si,
5005 stack_protect_test_si_media, stack_protect_test_di_media):
5008 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
5010 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
5012 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
5014 * tree.h (tree_expr_nonzero_p): Export.
5015 * fold-const.c (tree_expr_nonzero_p): Likewise.
5016 Return true for CALL_EXPRs that are alloca calls.
5017 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
5019 * tree-flow.h (expr_computes_nonzero): Remove.
5020 * tree-vrp.c (expr_computes_nonzero): Remove.
5021 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
5022 (extract_range_from_unary_expr): Likewise.
5023 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
5024 tree_expr_nonzero_p.
5026 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
5028 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
5029 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
5030 extra arg "picreg" and use it instead of pic_offset_table_rtx.
5031 All callers changed.
5032 (frame_related_constant_load): New arg "related" which controls
5033 setting of RTX_FRAME_RELATED_P. All callers changed.
5034 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
5035 (bfin_expand_prologue): Add stack limit checking.
5036 * config/bfin/bfin.md (trapifcc): New pattern.
5038 * config/bfin/bfin.c: Include "langhooks.h".
5039 (def_builtin): Go through lang_hooks to call builtin_function.
5041 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
5042 * config/bfin/predicates.md (symbol_ref_operand): New.
5043 (call_insn_operand): Delete. All callers changed to use
5044 register_no_elim_operand.
5045 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
5047 (function_arg): Use it to generate the call's operand 2.
5048 (bfin_longcall_p): New function.
5049 (bfin_expand_call): Extra arg "cookie". All callers and declaration
5050 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
5051 determine if the address needs to be in a REG.
5052 (bfin_handle_longcall_attribute): New function.
5053 (bfin_attribute_table): Add "longcall" and "shortcall".
5054 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
5055 (CUMULATIVE_ARGS): New member call_cookie.
5056 (PREDICATE_CODES): Add symbol_ref_operand.
5057 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
5058 extra USE to the pattern.
5059 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
5060 New patterns, split off call_insn, sibcall_insn, call_value_insn and
5061 sibcall_value_insn; now the new patterns handle direct calls and the
5062 old ones indirect calls.
5063 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
5065 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
5067 * doc/trouble.texi: Update section on handling of empty loops.
5069 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
5071 * config.gcc: Remove support for sparc-*-openbsd*,
5072 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
5074 * config.host: Remove support for i860-*-sysv4* as a host.
5075 * config/i860/*, config/ip2k/*, config/ns32k/*,
5076 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
5077 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
5078 mention obsolete ports.
5080 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5082 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
5084 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
5085 of frame_pointer_rtx.
5086 (sh_expand_epilogue): Likewise.
5087 (sh_set_return_address): Likewise.
5088 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
5089 instead of FRAME_POINTER_REGNUM if needed. Add elimination
5090 offsets from FRAME_POINTER_REGNUM.
5091 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
5092 (sh_register_names): Add initializer for sfp.
5093 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
5094 (VALID_REGISTER_P): Likewise.
5095 (FIRST_PSEUDO_REGISTER): Update.
5096 (DWARF_FRAME_REGISTERS): Define.
5097 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
5098 (HARD_FRAME_POINTER_REGNUM): Define.
5099 (FRAME_POINTER_REGNUM): Redefine.
5100 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
5101 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
5102 from FRAME_POINTER_REGNUM.
5103 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
5104 FRAME_POINTER_REGNUM.
5105 (REG_CLASS_CONTENTS): Add sfp.
5106 (REG_ALLOC_ORDER): Likewise.
5107 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
5108 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
5109 of frame_pointer_rtx.
5110 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
5112 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
5114 * fold-const.c (tree_expr_nonnegative_p): Only return true for
5115 ABS_EXPR when flag_wrapv is false because of INT_MIN.
5116 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
5118 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
5121 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
5123 Make CONSTRUCTOR use VEC to store initializers.
5124 * c-common.c (complete_array_type): Update to cope with VEC in
5126 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
5127 (pp_c_constructor_elts): New function.
5128 * c-pretty-print.h (pp_c_constructor_elts): Declare.
5129 * c-typeck.c (build_function_call, build_c_cast, digest_init,
5130 struct constructor_stack, struct initializer_stack,
5131 constructor_elements, push_init_level, pop_init_level,
5132 add_pending_init, find_init_member, output_init_element): Update to
5133 cope with VEC in CONSTRUCTOR_ELTS.
5134 * coverage.c (build_fn_info_value, build_ctr_info_value,
5135 build_gcov_info): Likewise.
5136 * expr.c (categorize_ctor_elements_1, store_constructor,
5137 expand_expr_real_1): Likewise.
5138 * fold-const.c (fold_ternary): Likewise.
5139 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
5140 gimplify_init_constructor, gimplify_expr): Likewise.
5141 * tree-dump.c (dequeue_and_dump): Likewise.
5142 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
5144 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
5146 * tree-sra.c (generate_element_init_1): Likewise.
5147 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
5148 * tree-ssa-operands.c (get_expr_operands): Likewise.
5149 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
5150 * tree-vect-transform.c (vect_get_vec_def_for_operand):
5151 (get_initial_def_for_reduction): Likewise.
5152 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
5153 value handle in annotations.
5154 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
5155 tree_node_structure): Add support for constr_kind.
5156 (build_vector_from_ctor, build_constructor_single,
5157 build_constructor_from_list): New functions.
5158 (build_constructor): Update to take a VEC instead of a TREE_LIST.
5159 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
5160 Update to cope with VEC in CONSTRUCTOR_ELTS.
5161 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
5162 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
5163 CONSTRUCTOR_APPEND_ELT): New macros.
5164 (struct constructor_elt, struct tree_constructor): New data types.
5165 (union tree_node): Add tree_constructor field.
5166 * treestruct.def: Define TS_CONSTRUCTOR.
5167 * varasm.c (const_hash_1, compare_constant, copy_constant,
5168 compute_reloc_for_constant, output_addressed_constants,
5169 initializer_constant_valid_p, output_constant,
5170 array_size_for_constructor, output_constructor): Update to cope with
5171 VEC in CONSTRUCTOR_ELTS.
5172 * vec.h (VEC_empty, VEC_copy): New macros.
5174 2005-07-19 Devang Patel <dpatel@apple.com>
5176 * dbxout.c (dbxout_type): Check Objective-C++ lang.
5178 2005-07-19 Richard Henderson <rth@redhat.com>
5181 * gimplify.c (gimplify_expr): Use main variant type for the temp
5182 destination for a discarded volatile read.
5183 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
5184 casts between non-void types that change volatility.
5186 2005-07-15 DJ Delorie <dj@redhat.com>
5188 * toplev.h: Add comment about the first parameter for warning().
5189 * errors.h: Likewise.
5191 * c.opt (Wpragmas): New.
5192 * doc/invoke.texi: Document it.
5194 * function.c (do_warn_unused_parameter): Add warning control to
5196 * c-decl.c (warn_if_shadowing): Likewise.
5197 * c-lex.c (cb_def_pragma): Likewise.
5198 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
5199 (pop_alignment): Likewise.
5200 (handle_pragma_pack): Likewise.
5201 (apply_pragma_weak): Likewise.
5202 (handle_pragma_weak): Likewise.
5203 (handle_pragma_redefine_extname): Likewise.
5204 (add_to_renaming_pragma_list): Likewise.
5205 (handle_pragma_extern_prefix): Likewise.
5206 (maybe_apply_renaming_pragma): Likewise.
5207 (handle_pragma_visibility): Likewise.
5209 * config/c4x/c4x-c.c (BAD): Likewise.
5210 (c4x_parse_pragma): Likewise.
5211 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
5212 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
5213 (rs6000_pragma_longcall): Likewise.
5214 * config/v850/v850-c.c (pop_data_area): Likewise.
5215 (ghs_pragma_section): Likewise.
5216 (ghs_pragma_section): Likewise.
5217 (ghs_pragma_interrupt): Likewise.
5218 (ghs_pragma_starttda): Likewise.
5219 (ghs_pragma_startsda): Likewise.
5220 (ghs_pragma_startzda): Likewise.
5221 (ghs_pragma_endtda): Likewise.
5222 (ghs_pragma_endsda): Likewise.
5223 (ghs_pragma_endzda): Likewise.
5225 2005-07-19 Danny Berlin <dberlin@dberlin.org>
5226 Kenneth Zadeck <zadeck@naturalbridge.com>
5228 * Makefile.in: Removed tree-promote-statics.c
5229 * tree-promote-statics.c: Removed.
5230 * common.opt: Removed flag-promote-statics.
5232 * passes.c: Removed tree-promote-statics pass.
5233 * tree-pass.h: Ditto.
5234 * timevar.def: Removed TV_PROMOTE_STATICS.
5237 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
5239 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
5241 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
5243 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5246 * c-common.c (check_function_arguments): Call
5247 'check_function_format' if either -Wformat or
5248 -Wmissing-format-attribute are specified.
5249 * c-format.c (check_function_format): Check -Wformat before
5250 calling 'check_format_info'.
5251 * c-opts.c (c_common_post_options): Don't warn for
5252 -Wmissing-format-attribute without -Wformat.
5253 * c-typeck.c (convert_for_assignment): Detect additional cases for
5254 -Wmissing-format-attribute.
5255 * doc/invoke.texi (-Wmissing-format-attribute): Document new
5258 2005-07-19 Richard Guenther <rguenther@suse.de>
5260 * config/i386/i386.md (lrint<mode>2): Use temporary
5261 instead of clobbering non-existent memory.
5263 2005-07-19 Nick Clifton <nickc@redhat.com>
5265 * config/avr/avr.c (legitimate_address_p): Fix debugging print
5266 statement to avoid displaying ASCII control characters.
5268 2005-07-19 Ben Elliston <bje@au.ibm.com>
5270 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
5271 * cfganal.c (find_edge_index): Ditto.
5272 * combine.c (combine_instructions): Ditto.
5273 * ddg.c (create_scc): Ditto.
5274 (find_successors): Ditto.
5275 (find_predecessors): Ditto.
5276 (find_nodes_on_paths): Ditto.
5277 (longest_simple_path): Ditto.
5278 * flow.c (update_life_info): Ditto.
5279 (count_or_remove_death_notes): Ditto.
5280 (clear_log_links): Ditto.
5281 * modulo-sched.c (generate_reg_moves): Ditto.
5282 (find_max_asap): Ditto.
5283 (find_max_hv_min_mob): Ditto.
5284 (find_max_dv_min_mob): Ditto.
5285 * sbitmap.c (sbitmap_first_set_bit): Ditto.
5286 * sched-rgn.c (extract_edgelst): Ditto.
5287 * tree-into-ssa.c (prepare_names_to_update): Ditto.
5288 (dump_update_ssa): Ditto.
5289 (ssa_names_to_replace) Ditto.
5290 (switch_virtuals_to_full_rewrite): Ditto.
5291 (update_ssa): Ditto.
5292 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5294 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
5296 Fix PR tree-optimization/22483
5298 * tree-complex.c (create_components): Use
5299 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5300 * tree-flow-inline.h (fill_referenced_var_vec): New function.
5301 * tree-flow.h (safe_referenced_var_iterator): New structure.
5302 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5303 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5304 safe_referenced_var iterator.
5305 (add_type_alias): Ditto.
5307 2005-07-19 Steven Bosscher <stevenb@suse.de>
5309 * loop-init.c (rest_of_handle_loop2): Remove.
5310 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5311 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5312 (pass_rtl_loop_init, pass_rtl_loop_done,
5313 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5314 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5315 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5316 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5317 pass_tree_loop_done, and pass_tree_unswitch.
5318 (gate_loop): Rename to gate_tree_loop.
5319 * passes.c (init_optimization_passes): Update for renamed tree
5320 loop passes. Add the new loop2 passes as subpasses of loop2.
5321 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5322 Update for the renamed tree loop passes.
5324 2005-07-18 Ian Lance Taylor <ian@airs.com>
5327 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5328 blocks when optimizing.
5330 2005-07-18 Steve Ellcey <sje@cup.hp.com>
5332 * common.opt (frename-registers): Initialize to 2.
5334 (fgcse-after-reload): Ditto.
5335 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5336 (process_options): Only change flag_web, flag_rename_registers,
5337 and flag_rerun_cse_after_loop if not explicitly set by user.
5339 2005-07-18 Jan Beulich <jbeulich@novell.com>
5341 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
5342 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
5343 in 64-bit mode the same as DImode in 32-bit mode.
5344 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
5345 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
5346 mode. Add new mode parameter.
5347 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
5348 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
5349 x86_64_shift_adj): New expanders.
5350 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
5351 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
5353 Respective new splitters. Use renamed shift splitter helpers in 32-bit
5354 DImode shift splitters.
5355 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
5356 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
5359 2005-07-18 Jan Beulich <jbeulich@novell.com>
5361 * i386.md (movdi_extzv_1): New.
5362 (zero_extendhidi2): Combine alternatives and never force use of
5364 (zero_extendqidi2): Likewise. Don't restrict input selection.
5366 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5368 Fix PR tree-optimization/22531
5369 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
5372 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5374 * tree-promote-statics.c (pass_promote_statics): Change dump file
5377 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5379 * tree-optimize.c (init_tree_optimization_passes): Add
5380 pass_eliminate_useless_stores pass.
5381 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
5382 * tree-ssa-pre.c (is_copy_stmt): New function.
5383 (follow_copies_till_vuse): Ditto.
5384 (do_eustores): Ditto.
5385 (gate_eustores): Ditto.
5387 2005-07-16 Richard Henderson <rth@redhat.com>
5389 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
5391 2005-07-16 Danny Berlin <dberlin@dberlin.org>
5392 Kenneth Zadeck <zadeck@naturalbridge.com>
5394 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
5395 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
5396 ipa-type-escape.h, tree-promote-statics.c
5397 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
5398 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
5399 tree-promote-statics.c: new files.
5400 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
5401 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
5402 int nonlocal_set_p, mark_constant_function): Deleted.
5403 (rest_of_handle_cfg): Removed call to mark_constant_function.
5404 (nonoverlapping_component_refs_p): Added calls to support
5405 type based aliasing.
5406 * tree-ssa-alias.c (may_alias_p,
5407 compute_flow_insensitive_aliasing): Ditto.
5408 * calls.c (flags_from_decl_or_type): Removed reference to
5410 * c-typeck.c (convert_arguments): Make builtins tolerant of having
5411 too many arguments. This is necessary for Spec 2000.
5412 * cgraph.h (const_function, pure_function): Removed.
5413 * common.opt: Added "fipa-pure-const", "fipa-reference",
5414 "fipa-type-escape", and "ftree-promote-static".
5416 * passes.c: Added ipa and tree-promote-statics passes.
5417 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
5418 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
5419 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
5420 * tree-flow.h: Added exposed sra calls and addition of
5421 reference_vars_info field for FUNCTION_DECLS.
5422 * tree-pass.h: Added passes.
5423 * tree-sra.c: (sra_init_cache): New function.
5424 (sra_insert_before, sra_insert_after) Made public.
5425 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
5427 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
5428 aliasing. (may_alias_p): Added code to use type escape analysis to
5430 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
5431 code to prune clobbers of static variables based on information
5432 produced in ipa-reference pass. Changed call clobbering so that
5433 statics are not marked as clobbered if the call does not clobber
5436 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
5438 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
5441 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5443 * doc/install.texi (*-*-solaris2*): Document recommended version
5444 of GNU binutils and mention GNU linker problem on Solaris 10.
5446 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
5449 * c-decl.c (c_build_bitfield_integer_type): New function.
5450 (finish_struct): Call it.
5451 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
5453 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5455 * c-typeck.c (digest_init): Call 'convert_for_assignment'
5458 2005-07-16 Jan Hubicka <jh@suse.cz>
5460 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
5461 (scale_bbs_frequencies_int): Watch roundoff errors.
5462 * predict.c (return_prediction): Initialize return_stmt.
5464 2005-07-16 Jan Hubicka <jh@suse.cz>
5466 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
5467 after RTL profiling.
5469 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
5472 * fold-const.c (build_range_check): Convert high/low to etype
5473 if we are only comparing against exp.
5475 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
5477 Fix PR tree-optimization/22376
5478 * tree-ssa-structalias.c (build_constraint_graph): We really meant
5480 (need_to_solve): New function.
5481 (compute_points_to_sets): Use it.
5483 2005-07-15 Jan Hubicka <jh@suse.cz>
5485 * cfg.c (update_bb_profile_for_threading): More diagnostic.
5486 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
5488 2005-07-15 Richard Guenther <rguenther@suse.de>
5490 * c-common.c (handle_flatten_attribute): New function.
5491 Add flatten function attribute.
5492 * doc/extend.texi: Document flatten function attribute.
5493 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
5494 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
5496 (cgraph_decide_inlining): Handle functions with flatten
5499 2005-07-14 David Edelsohn <edelsohn@gnu.org>
5501 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
5502 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
5503 UNSPEC_XCHG, UNSPEC_AND): New.
5504 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
5505 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
5506 * config/rs6000/sync.md (FETCHOP): New code macro.
5507 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
5509 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
5510 (sync_compare_and_swap<mode>): Same.
5511 (sync_lock_test_and_set<mode>): Same.
5512 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
5513 for QImode and HImode, and not PPC405.
5514 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
5515 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
5516 (sync_<fetchop>{si,di}_internal): New.
5517 (sync_nand{si,di}_internal): New.
5518 (sync_old_<fetchop>{si,di}_internal): New.
5519 (sync_old_nand{si,di}_internal): New
5520 (sync_new_<fetchop>{si,di}_internal): New.
5521 (sync_new_nand{si,di}_internal): New.
5522 (atomic_and{si,di}): New.
5523 (sync_new_nand{si,di}_internal): New.
5524 (atomic_and{si,di}): New.
5525 (sync_add<mode>_internal): Delete.
5526 (sync_addshort_internal): Use unspec instead of unspec_volatile.
5527 (sync_sub<mode>_internal): Delte.
5528 (sync_subshort_internal): New.
5529 (sync_andsi_internal): Use unspec instead of unspec_volatile.
5530 (sync_anddi_internal): Delete.
5531 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
5532 (sync_booldi_internal): Delete.
5533 (sync_boolc<mode>_internal): Delete.
5534 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
5535 (sync_boolc<mode>_internal2): Delete.
5536 (sync_boolcc<mode>_internal): Delete.
5537 (isync, lwsync): Use unspec instead of unspec_volatile.
5538 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
5539 Revert UNSPEC_VOLATILE.
5540 (rs6000_split_atomic_op): New.
5541 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
5543 2005-07-14 Eric Christopher <echristo@redhat.com>
5545 * config/mips/mips.c (mips_canonicalize_comparison): Cast
5546 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
5548 2005-07-14 Eric Christopher <echristo@redhat.com>
5550 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
5552 2005-07-14 Steven Bosscher <stevenb@suse.de>
5554 PR tree-optimization/22230
5555 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
5556 the computation of the four cross productions for "range op range".
5558 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
5559 Ulrich Weigand <uweigand@de.ibm.com>
5562 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
5565 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5567 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
5569 2005-07-14 Steve Ellcey <sje@cup.hp.com>
5571 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
5573 2005-07-14 Richard Guenther <rguenther@suse.de>
5576 * config/i386/i386-protos.h (ix86_function_value): Change
5577 prototype to match new target hook.
5578 * config/i386/i386.c (ix86_value_regno): Change prototype
5579 to take extra type argument.
5580 (TARGET_FUNCTION_VALUE): Define.
5581 (ix86_function_ok_for_sibcall): Pass extra argument to
5582 ix86_value_regno, check return slot rtx for exact match.
5583 (ix86_function_value): Take extra parameter. Dispatch to
5584 ix86_value_regno with fndecl/fntype as provided.
5585 (ix86_value_regno): Handle extra type argument.
5586 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
5588 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
5589 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
5590 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
5591 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
5592 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
5594 2005-07-14 Richard Guenther <rguenther@suse.de>
5596 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
5597 * calls.c (expand_call): Pass fntype to hard_function_value.
5598 (emit_library_call_value_1): Likewise.
5599 * explow.c: Include target.h.
5600 (hard_function_value): Take extra argument, the fntype.
5601 Use new target hook for function_value.
5602 * expr.h (hard_function_value): Change prototype.
5603 * function.c (aggregate_value_p): Pass 0 as fntype to
5604 hard_function_value.
5605 (assign_parms): Use new target hook for function_value.
5606 Pass 0 as fntype to hard_function_value.
5607 (expand_function_end): Likewise.
5608 * reg-stack.c: Include target.h.
5609 (stack_result): Use new target hook for function_value.
5610 * target-def.h: New target hook function_value.
5611 * target.h: Likewise.
5612 * targhooks.c (default_function_value): New function.
5613 * targhooks.h (default_function_value): Declare.
5615 2005-07-13 Ian Lance Taylor <ian@airs.com>
5617 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5619 2005-07-14 Jan Hubicka <jh@suse.cz>
5621 * tree-dfa.c (dump_variable): Use default_def function.
5622 * tree-ssa-alias.c (dump_points_to_info): Likewise.
5623 * tree-ssa.c (verify_use): Likewise.
5624 * tree-ssanames.c (release_ssa_name): Likewise.
5625 * tree-tailcall.c (eliminate_tail_call): Likewise.
5626 (tree_optimize_tail_calls_1): Likewise.
5627 * tree-vrp.c (get_value_range): Likewise.
5629 2005-07-14 Ben Elliston <bje@au.ibm.com>
5631 * gcc.c (main): Compare language[0] with '*' when iterating over
5634 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
5636 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
5637 "s390_emit_compare". Add handling of CCZ1mode.
5638 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
5639 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
5641 (s390_branch_condition_mask): Add CCZ1mode handling.
5642 * config/s390/s390.md: ("seq", "*seq"): New pattern.
5643 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
5644 Use CCZ1mode instead of CCZmode.
5645 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
5647 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
5649 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
5651 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
5653 2005-07-13 Eric Christopher <echristo@redhat.com>
5655 * config/mips/mips.c (mips_canonicalize_comparison): New.
5656 (mips_emit_int_relational): Use.
5658 2005-07-13 Eric Christopher <echristo@redhat.com>
5660 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5662 * config/s390/s390.md: Include tpf.md. Move tpf specific
5664 * config/s390/tpf.md: To here.
5665 * config/s390/s390.opt: Move tpf specific options...
5666 * config/s390/tpf.opt: to here. Add mmain option.
5667 * config/s390/tpf-unwind.h: Remove unnecessary defines.
5668 * config/s390/tpf.h: Rewrite.
5670 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
5672 * doc/tm.texi: Remove @xref{Cross-profiling}.
5674 2005-07-13 Jeff Law <law@redhat.com>
5676 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
5677 expressions, test their _DECL operands for pointer equality rather
5678 than using operand_equal_p.
5680 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
5682 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
5683 (TARGET_POSIX_IO): This.
5684 * config/darwin.h: Likewise.
5685 * config/freebsd.h: Likewise.
5686 * config/linux.h: Likewise.
5687 * config/lynx.h: Likewise.
5688 * config/netbsd.h: Likewise.
5689 * config/rs6000/linux64.h: Likewise.
5690 * config/rs6000/linux.h: Likewise.
5691 * config/s390/tpf.h: Likewise.
5692 * config/sh/embed-elf.h: Likewise.
5693 * config/sparc/linux64.h: Likewise.
5694 * config/sparc/linux.h: Likewise.
5695 * config/svr4.h: Likewise.
5696 * gcov-io.h: Likewise.
5698 * doc/tm.texi: Updated.
5700 * libgcov.c (create_file_directory): Defined only if
5701 TARGET_POSIX_IO is defined.
5702 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
5705 2005-07-13 Jan Hubicka <jh@suse.cz>
5707 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
5709 2005-07-13 David Edelsohn <edelsohn@gnu.org>
5711 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
5712 structure as argument.
5714 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
5716 PR tree-optimization/21921
5717 * tree-iterator.c (tsi_link_before): Support the case when
5718 tsi_end_p (tsi) == true.
5720 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5722 PR tree-optimization/22442
5723 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
5726 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5728 PR rtl-optimization/20376
5729 * toplev.c (process_options): Enable -fweb and -frename-registers when
5731 * doc/invoke.texi: Update the information about when -fweb and
5732 -frename-registers are enabled.
5734 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5737 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
5738 if *rhs_p is not a SSA_NAME.
5740 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
5742 Fix PR tree-optimization/22422
5743 * tree-ssa-structalias.c (struct variable_info): Add flag for
5745 (get_varinfo): Now a static function.
5746 (new_varinfo): init has_union and is_special_var to false.
5747 (solution_set_add): Check has_union.
5748 (do_da_constraint): Move temporary variable so it gets reset
5750 Also check for special variable.
5751 (do_ds_constraint): Ditto.
5752 (do_sd_constraint): Ditto.
5753 (do_structure_copy): Check for special variable.
5754 (find_func_aliases): Ditto.
5755 (init_base_vars): Set special vars properly.
5757 2005-07-13 Jan Hubicka <jh@suse.cz>
5759 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
5762 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
5763 (get_expr_operands): Fix thinko wrt flags and subvars.
5765 PR tree-optimize/22379
5766 * tree-inline.c (expand_call_inline): Do not output sorry in early
5769 2005-07-12 Dale Johannesen <dalej@apple.com>
5771 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
5773 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5776 * host-linux.h: Include limits.h.
5778 2005-07-12 Dale Johannesen <dalej@apple.com>
5780 * expr.c (compress_float_constant): Add cost check.
5781 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
5783 2005-07-12 Dale Johannesen <dalej@apple.com>
5785 * gcc.target/i386/compress-float-sse.c: New.
5786 * gcc.target/i386/compress-float-sse-pic.c: New.
5787 * gcc.target/i386/compress-float-387.c: New.
5788 * gcc.target/i386/compress-float-387-pic.c: New.
5789 * gcc.dg/compress-float-ppc.c: New.
5790 * gcc.dg/compress-float-ppc-pic.c: New.
5792 2005-07-12 Eric Christopher <echristo@redhat.com>
5794 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5796 * config/s390/s390.md: Include tpf.md. Move tpf specific
5798 * config/s390/tpf.md: To here.
5799 * config/s390/s390.opt: Move tpf specific options...
5800 * config/s390/tpf.opt: to here. Add mmain option.
5801 * config/s390/tpf-unwind.h: Remove unnecessary defines.
5802 * config/s390/tpf.h: Rewrite.
5804 2005-07-12 Eric Christopher <echristo@redhat.com>
5806 * gcc.c (struct infile): Update comment for language.
5807 (main): Rewrite input file resetting code.
5809 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5812 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
5813 requiring a cast in a non RHS of modify_expr. Add a cast when required.
5814 (lookup_avail_expr): Use constant_boolean_node instead
5815 of boolean_false_node/boolean_true_node.
5817 2005-07-12 Ben Elliston <bje@au.ibm.com>
5819 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
5820 and use it when printing num_edges.
5822 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
5824 * doc/extend.texi (Blackfin Built-in Functions): New section.
5825 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
5828 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
5830 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
5831 s/cmpstrsi/cmpstrnsi
5832 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
5834 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
5835 (init_optabs): Initialize cmpstrn_optab.
5836 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
5837 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
5838 * expr.c: (enum insn_code cmpstrn_optab): Declare.
5839 * config/i386/i386.md: s/cmpstr/cmpstrn
5840 * config/c4x/c4x.md: s/cmpstr/cmpstrn
5841 * doc/md.texi: Update documentation.
5843 2005-07-11 Richard Henderson <rth@redhat.com>
5845 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
5846 build_va_arg_indirect_ref.
5847 (alpha_gimplify_va_arg): Likewise.
5848 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
5849 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5850 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
5851 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5852 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5853 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
5855 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5857 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5859 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
5860 * passes.c (init_optimization_passes): Add pass_empty_loop.
5861 * tree-pass.h (pass_empty_loop): Declare.
5862 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
5863 try_remove_empty_loop, remove_empty_loops): New functions.
5864 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
5865 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
5867 2005-07-12 Peter Barada <peter@the-baradas.com>
5871 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
5872 in address registers.
5873 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
5874 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
5875 alternative of addsi3_5200.
5877 2005-07-11 Ian Lance Taylor <ian@airs.com>
5879 * config/mips/mips.md (ffs<mode>2): Remove.
5881 2005-07-11 Ian Lance Taylor <ian@airs.com>
5883 * doc/tree-ssa.texi (Cleanups): Improve description of
5885 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
5887 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
5889 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
5890 * tree.h (DECL_ARGUMENT_FLD): New macro.
5892 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
5894 Fix PR tree-optimization/22404
5896 * tree-ssa-structalias.c (create_variable_info_for): Use
5899 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
5901 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
5902 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
5903 for second comparison operand.
5904 * config/bfin/predicates.md (reg_or_const_int_operand): New.
5906 * config/bfin/bfin.md (define_attr "type"): Add "sync".
5907 (define_insn_reservation "alu"): Likewise.
5908 (csync, ssync): Now of type sync.
5909 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
5910 -mcsync-anomaly -mspecld-anomaly.
5911 * config/bfin/bfin.opt (mcsync): Remove.
5912 (mcsync-anomaly, mspecld-anomaly): Add.
5913 * config/bfin/bfin.c: Include "insn-codes.h".
5914 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
5915 (TARGET_DEFAULT_TARGET_FLAGS): New.
5916 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
5918 2005-07-11 Steven Bosscher <stevenb@suse.de>
5920 * basic-block.h: Give the BB flags enum a name, bb_flags.
5921 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
5922 * cfgcleanup.c (enum bb_flags): Remove here.
5923 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
5924 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
5925 (update_forwarder_flag): Likewise.
5926 (thread_jump): Likewise.
5927 (try_forward_edges): Likewise.
5928 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
5929 forwarder flags. Don't clear bb->aux for all basic blocks. Only
5930 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
5932 2005-07-11 Richard Guenther <rguenther@suse.de>
5934 * config/i386/i386.opt: New target option -msseregparm.
5935 * config/i386/i386.c (override_options): Error out for
5936 -msseregparm but no SSE support.
5937 (ix86_function_sseregparm): Check for global sseregparm.
5938 * doc/invoke.texi: Document -msseregparm.
5940 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5942 * config.gcc (m32r-*-linux*): Use the default extra_parts.
5943 (m32rle-*-linux*): Ditto.
5945 2005-07-11 Jakub Jelinek <jakub@redhat.com>
5947 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
5948 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
5951 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5955 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
5956 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
5958 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
5960 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
5961 (varmap): Heapify varmap.
5962 (constraints): Heapify constraints.
5963 (struct constraint_graph): Heapify succs and preds.
5964 (constraint_vec_find): Update for heapification.
5965 (constraint_set_union): Ditto.
5966 (insert_into_complex): Ditto.
5967 (constraint_edge_vec_find): Ditto.
5968 (erase_graph_self_edge): Ditto.
5969 (add_graph_edge): Ditto.
5970 (get_graph_weights): Ditto.
5971 (merge_graph_nodes): Ditto.
5972 (build_constraint_graph): Ditto.
5973 (topo_visit): Ditto.
5974 (solve_graph): Ditto.
5975 (create_variable_info_for): Ditto.
5976 (init_base_vars): Ditto.
5977 (delete_points_to_sets): Free graph, varmap, and complex constraints.
5978 (condese_varmap_nodes): Free complex vector.
5979 (clear_edges_for_node): Clear succs and preds vector.
5981 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
5983 * tree-ssa-structalias.c (update_alias_info): Change counting of
5984 references to not include vdefs.
5986 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
5988 * tree-ssa-alias.c (free_used_part_map): Add missing free.
5991 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5993 * pa.c (pa_commutative_p): Make PLUS commutative when
5994 TARGET_NO_SPACE_REGS is true.
5996 2005-07-09 Diego Novillo <dnovillo@redhat.com>
5998 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
5999 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
6000 * tree-dfa.c (dump_subvars_for): New.
6001 (debug_subvars_for): New.
6002 (dump_variable): Show subvariables if VAR has them.
6003 * tree-flow-inline.h (get_subvar_at): New.
6004 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
6005 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
6007 (struct subvar): Change fields offset and size to unsigned
6009 (dump_subvars_for): Declare.
6010 (debug_subvars_for): Declare.
6011 (get_subvar_at): Declare.
6012 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
6013 to unsigned HOST_WIDE_INT *.
6014 (overlap_subvar): Likewise.
6015 * tree-gimple.c (is_gimple_reg): Always return false for
6016 SFTs and memory tags.
6017 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
6019 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
6020 (compute_may_aliases): Call compute_points_to_sets.
6021 (collect_points_to_info_for): Remove.
6022 (compute_points_to_and_addr_escape): Remove.
6023 (delete_alias_info): Call delete_points_to_sets.
6024 (compute_flow_sensitive_aliasing): If the call to
6025 find_what_p_points_to returns false, call set_pt_anything.
6026 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
6027 (set_pt_anything): Clear pi->pt_vars.
6028 (set_pt_malloc): Remove.
6029 (merge_pointed_to_info): Remove.
6030 (add_pointed_to_expr): Remove.
6031 (add_pointed_to_var): Remove.
6032 (collect_points_to_info_r): Remove.
6033 (is_escape_site): Make extern.
6035 (create_overlap_variables_for): Call it.
6036 * tree-ssa-copy.c (merge_alias_info): Never merge
6037 flow-sensitive alias information.
6038 * tree-ssa-operands.c (get_expr_operands): Adjust variables
6039 offset and size to be unsigned HOST_WIDE_INT.
6040 (add_to_addressable_set): Rename from note_addressable.
6041 Set TREE_ADDRESSABLE as the variables are added to the set.
6043 (add_stmt_operand): Do not try to micro-optimize unmodifiable
6044 operands into VUSEs when adding V_MAY_DEFs for members in an
6046 * tree-ssa-operands.h (add_to_addressable_set): Declare.
6047 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
6048 (struct variable_info): Add bitfield is_heap_var.
6049 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
6050 (new_var_info): Initialize is_heap_var.
6051 (get_constraint_for): Add HEAP variables to the symbol table.
6052 Mark them with is_heap_var.
6053 (update_alias_info): New. Taken mostly from the old
6054 compute_points_to_and_addr_escape.
6055 (handle_ptr_arith): New.
6056 (find_func_aliases): Call update_alias_info.
6057 Call handle_ptr_info for tcc_binary expressions.
6058 Call mark_stmt_modified.
6059 (create_variable_info_for): If DECL has subvars, do not create
6060 variables for its subvars. Always add all the fields.
6061 (set_uids_in_ptset): If the solution includes ANYOFFSET and
6062 SFTs, then add all the SFTs of the structure.
6063 If VI->DECL is an aggregate with subvariables, add the SFT at
6065 (find_what_p_points_to): If VI is an artificial variable,
6066 translate to bitfields in SSA_NAME_PTR_INFO.
6067 If the solution is empty, set pi->pt_vars to NULL
6068 (init_base_vars): Create ANYOFFSET.
6069 (compute_points_to_sets): Rename from create_alias_vars.
6071 (pass_build_pta): Remove.
6072 (delete_points_to_sets): Rename from delete_alias_vars.
6073 (pass_del_pta): Remove.
6074 * tree-ssa-structalias.h (struct alias_info): Move from
6076 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
6077 NUM_REFERENCES_SET): Likewise.
6078 (compute_points_to_sets, delete_points_to_sets): Declare.
6080 2005-07-09 Richard Henderson <rth@redhat.com>
6082 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
6083 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
6084 alpha_split_lock_test_and_set_12): New functions.
6085 * config/alpha/alpha-protos.h: Update.
6086 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
6087 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
6088 * config/alpha/sync.md (I12MODE): New.
6089 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
6090 (sync_<fetchop_name><I48MODE>): Likewise.
6091 (sync_nand<I48MODE>): Likewise.
6092 (sync_old_<fetchop_name><I48MODE>): Likewise.
6093 (sync_new_<fetchop_name><I48MODE>): Likewise.
6094 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6095 (sync_compare_and_swap<I48MODE>): Likewise.
6096 (sync_lock_test_and_set<I48MODE>): Likewise.
6097 (sync_compare_and_swap<I12MODE>): New.
6098 (sync_compare_and_swap<I12MODE>_1): New.
6099 (sync_lock_test_and_set<I12MODE>): New.
6100 (sync_lock_test_and_set<I12MODE>_1): New.
6102 2005-07-09 Diego Novillo <dnovillo@redhat.com>
6106 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
6108 2005-07-09 Jakub Jelinek <jakub@redhat.com>
6110 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
6111 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
6113 2005-07-09 Richard SAndiford <richard@codesourcery.com>
6116 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6118 2005-07-08 David Edelsohn <edelsohn@gnu.org>
6120 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
6121 memory_operand constraint.
6122 (store_conditional_<mode>): Same.
6123 (sync_compare_and_swap<mode>): Same.
6124 (sync_lock_test_and_set<mode>): Same.
6126 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
6128 Rewrite PIC support to more closely model actual instructions.
6129 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
6130 (cris_symbol): Remove prototypes for removed functions.
6131 (cris_pic_symbol_type_of, cris_valid_pic_const)
6132 (cris_expand_pic_call_address): Prototypes for new functions.
6133 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
6135 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
6137 <case ':'>: Add case for new punctuation character.
6138 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
6139 emitting (extra) PIC modifier.
6140 <case UNSPEC>: Do not assert for PLT.
6141 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
6142 (cris_expand_prologue, cris_expand_epilogue): Check
6143 for pic_offset_table_rtx usage instead of taking
6144 current_function_uses_pic_offset_table as the final word.
6145 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
6146 Remove flag_pic difference.
6147 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
6148 the moral equivalents of...
6149 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
6151 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
6152 (cris_handle_option): Mark ARG as unused.
6153 (cris_expand_pic_call_address): New worker function for "call",
6155 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
6156 output PIC constructs here.
6157 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
6158 as symbol-specific modifers, not whole or part of operands.
6159 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
6160 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
6161 constants and flag_pic.
6162 (CONSTANT_INDEX_P): Adjust for new functions.
6163 (enum cris_pic_symbol_type): New helper type.
6164 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
6165 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
6166 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
6168 ("movsi"): Emit actual instructions for GOT and relative access.
6169 ("*movsi_got_load"): New pattern to set up the register holding
6171 ("*movsi_internal"): Operand 1 is not a plain general_operand.
6172 Adjust FIXME for 'S'.
6173 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
6174 Use "movs" for -fpic cases.
6175 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
6176 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
6177 ("call", "call_value"): Just call cris_expand_pic_call_address for
6179 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
6180 Remove special pattern.
6181 ("*expanded_call_side", "*expanded_call_value_side"): New
6183 (gotplt-to-plt, gotplt-to-plt-side-call)
6184 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
6186 * config/cris/cris/predicates.md
6187 ("cris_general_operand_or_gotless_symbol"): Remove unused
6189 ("cris_general_operand_or_symbol"): Adjust for new functions.
6191 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6193 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
6195 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
6197 * Makefile.in (TREE_H): Add treestruct.def.
6198 (c-decl.o): Add pointer-set.h
6199 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
6200 visibility on regular DECL's.
6201 (merge_decls): Fix the copying of decl nodes of various types for
6202 the new structures. Don't update RTL, section name, weak status,
6203 etc, on DECL's without RTL.
6204 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
6205 Don't check volatile on non-variable types.
6206 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
6207 to check whether we have seen arguments.
6208 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
6209 flag is checked before field (flag is common, field is not).
6210 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
6211 TS_DECL_COMMON could have an origin.
6212 (add_location_or_const_value_attribute): Don't check section name
6213 on non-var/function decls.
6214 (dwarf2out_var_location): Reverse order of tests.
6215 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
6216 with DECL_WRTL_CHECK.
6217 * expmed.c (make_tree): rtl is now in decl_with_rtl.
6218 * fold-const.c (fold_binary): Don't check weakness on
6219 non-var/function decls.
6220 (tree_expr_nonzero_p): Ditto.
6221 (fold_checksum_tree): Use tree_decl_extra as sizeof
6223 * ggc-page.c (extra_order_size_table): Add sizes for
6224 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
6226 * gimplify.c (gimplify_bind_expr): Only set
6227 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
6228 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
6230 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
6231 * langhooks.h (init_ts). New langhook.
6232 * passes.c (rest_of_decl_compilation): Reverse order of tests.
6233 * print-tree.c (print_node): Update to only print fields that
6234 exist in the structures the passed decl has.
6235 * toplev.c (wrapup_global_declarations): Don't reset
6236 DECL_DEFER_OUTPUT on DECL's that don't contain it.
6237 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
6238 * tree-inline.c (remap_decl): Ditto.
6239 * tree-outof-ssa.c (create_temp): Reverse order of tests.
6240 * tree-pretty-print.c (print_declaration): Don't print
6241 DECL_REGISTER on things that don't contain it.
6242 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
6243 non-var/function decls.
6244 * tree.c (tree_contains_struct): New structure.
6245 (init_priority_for_decl): New hashtable.
6246 (tree_int_map): New structure.
6247 (tree_int_map_eq): New function.
6248 (tree_int_map_marked_p): Ditto.
6249 (tree_int_map_hash): Ditto.
6250 (tree_map): Move to tree.h.
6251 (tree_map_eq): Externalize.
6252 (tree_map_hash): Ditto.
6253 (tree_map_marked_p): Ditto.
6254 (init_ttree): Set up tree_contains_struct and call langhook.
6255 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
6256 (tree_code_size): Update for new structures.
6257 (tree_node_structure): Update for new structures.
6258 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
6260 (copy_node_stat): Copy init priority.
6261 (build_decl_stat): Ditto for visibility.
6262 (ts_enum_names): New.
6263 (tree_contains_struct_check_failed): New function.
6264 (decl_init_priority_lookup): Ditto.
6265 (decl_init_priority_insert): Ditto.
6266 * treestruct.def: New file.
6267 * tree.h (CODE_CONTAINS_STRUCT): New macro.
6268 (CONTAINS_STRUCT_CHECK): Ditto.
6269 (tree_contains_struct_check_failed): New prototype.
6270 (DECL_CHECK): Removed.
6271 (DECL_MINIMAL_CHECK): New.
6272 (DECL_COMMON_CHECK): Ditto.
6273 (DECL_WRTL_CHECK): Ditto.
6274 (DECL_NON_COMMON_CHECK): Ditto.
6275 (DECL_WITH_VIS_CHECK): Ditto.
6276 (VAR_OR_FUNCTION_DECL_P): Ditto
6277 (struct tree_decl_minimal): New structure.
6278 (struct tree_decl_common): Ditto.
6279 (struct tree_decl_with_rtl): Ditto.
6280 (struct tree_decl_with_vis): Ditto.
6281 (struct tree_decl_non_common): Ditto.
6282 (struct tree_field_decl): Ditto.
6283 (struct tree_parm_decl): Ditto.
6284 (struct tree_var_decl): Ditto.
6285 (struct tree_function_decl): Ditto.
6286 (struct tree_const_decl): Ditto.
6287 (struct tree_result_decl): Ditto.
6288 (union tree_node): Add new structures.
6289 * var-tracking.c (track_expr_p): Reverse order of tests.
6291 * doc/c-tree.texi: Add documentation on DECL node internal structure.
6293 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6295 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6296 * system.h: Poison FINALIZE_PIC.
6297 * doc/tm.texi (FINALIZE_PIC): Remove.
6299 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6302 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6303 to the correct type if we have a MODIFY_EXPR.
6305 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6307 PR tree-optimization/22360
6308 * tree.c (upper_bound_in_type): Fix calculations for casting
6309 to a non-wider signed type and casting a signed value to a
6310 wider unsigned type.
6311 (lower_bound_in_type): Fix calculations for casting to a
6312 non-wider signed type.
6314 PR tree-optimization/20139
6315 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6317 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6318 fold_cond_expr_cond.
6319 * tree-ssanames.c (release_defs): Assert in_ssa_p.
6320 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6322 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6325 * tree-complex.c (expand_complex_libcall): Produce
6326 REALPART_EXPR/IMAGPART_EXPR with the correct type.
6328 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
6330 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6331 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6332 b" assert and inserted fastpath code for this case.
6333 (bitmap_ior): Removed "a != b" assert.
6335 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6337 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6338 (ENDFILE_SPEC): Likewise.
6339 * config/m32r/m32r.h (ASM_SPEC): Likewise.
6341 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
6342 a large stack frame at epilogue.
6344 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
6346 * final.c: Include sdbout.h when required.
6348 2005-07-07 Geoffrey Keating <geoffk@apple.com>
6350 * config.gcc (*-*-darwin*): Only one target-specific header file
6352 (powerpc-*-darwin*): Add version-specific header files.
6353 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
6354 * config.in: Regenerate.
6355 * configure: Regenerate.
6356 * gcc.c: Include xregex.h.
6357 (version_compare_spec_function): New.
6358 (spec_function): Add version-compare.
6359 (replace_outfile_spec_function): Reformat comment.
6360 (compare_version_strings): New.
6361 * config/darwin-c.c (version_as_macro): New.
6362 (builtin_define): New.
6363 (darwin_cpp_builtins): New.
6364 * config/darwin-protos.h (darwin_cpp_builtins): New.
6365 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
6366 (LIB_SPEC): Make unconditional, update comment.
6367 (TARGET_C99_FUNCTIONS): Define.
6368 * config/darwin.opt: Sort.
6369 (mmacosx-version-min=): New.
6370 * config/darwin7.h: Delete.
6371 * config/darwin8.h: Delete.
6372 * config/i386/darwin.h (): Call darwin_cpp_builtins.
6373 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
6374 (TARGET_C99_FUNCTIONS): Define.
6375 * config/rs6000/darwin7.h: New.
6376 * config/rs6000/darwin8.h: New.
6377 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
6378 (-mmacosx-version-min): Document.
6380 2005-07-07 Ian Lance Taylor <ian@airs.com>
6382 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
6384 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
6387 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
6389 2005-07-07 Khem Raj <kraj@mvista.com>
6391 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
6392 in bytes, not words.
6394 2005-07-07 Paul Brook <paul@codesourcery.com>
6396 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
6397 DEFAULT_FUNCTION_ARG_PADDING to upward.
6399 2005-07-07 Richard Henderson <rth@redhat.com>
6401 * function.c (locate_and_pad_parm): Record parameter alignment in
6402 stack_alignment_needed.
6404 2005-07-07 David Edelsohn <edelsohn@gnu.org>
6406 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
6407 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
6408 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
6409 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
6410 (define_attr "type"): Add isync, sync, load_l, store_c.
6411 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
6412 Create scratch volatile MEM.
6413 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
6415 (load_locked_<mode>): New.
6416 (store_conditional_<mode>): New.
6417 (sync_compare_and_swap<mode>): Replace with splitter.
6418 (sync_lock_test_and_set<mode>): Replace with splitter.
6419 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
6421 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
6422 is ics. Attribute isync.
6423 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
6425 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
6426 and UNSPECV_SYNC_OP.
6427 (emit_unlikely_jump): New.
6428 (emit_load_locked): New.
6429 (emit_store_conditional): New.
6430 (rs6000_split_compare_and_swap): New.
6431 (rs6000_split_lock_test_and_set): New.
6432 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
6433 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
6434 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
6435 rs6000_split_lock_test_and_set): Declare.
6436 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
6437 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
6438 store_c, isync, sync.
6440 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
6442 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
6443 filenames to gtyp-gen.h.
6444 (s-typ-gen): Use it in place of for loops.
6446 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
6448 * hooks.c (hook_bool_rtx_int_false): New function.
6449 * hooks.h (hook_bool_rtx_int_false): Declare.
6450 * target-def.h (TARGET_COMMUTATIVE_P): Define.
6451 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
6452 * target.h (struct gcc_target): Add commutative_p member.
6453 * targhooks.c (hook_bool_rtx_commutative_p): New function.
6454 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
6455 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
6456 (pa_commutative_p): New function.
6457 * jump.c (target.h): Include.
6458 (rtx_renumbered_equal_p): Use targetm.commutative_p.
6459 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
6461 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6463 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
6464 (s390_expand_setmem): New.
6465 * config/s390/s390.c: Likewise.
6466 (print_shift_count_operand): Truncate to 12 bits instead of 6.
6468 * config/s390/s390.md: ("setmem<mode>"): Accept character as
6469 general_operand. Call new function "s390_expand_setmem".
6470 ("clrmem_long", "*clrmem_long"): Rewrite to ...
6471 ("setmem_long", "*setmem_long"): ... this.
6473 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6475 * config/s390/s390.c: (optimization_options): Enable
6476 TARGET_MVCLE at -Os.
6477 * doc/invoke.texi: Document changes in default behaviour.
6478 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
6480 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6482 * expr.c: (set_storage_via_setmem): Convert opchar to mode
6483 defined by back-end.
6485 2005-07-07 Jakub Jelinek <jakub@redhat.com>
6487 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
6488 all sets in the pattern.
6489 * config/rs6000/rs6000.md (stack_protect_testsi,
6490 stack_protect_testdi): Likewise.
6492 2005-07-06 Jeff Law <law@redhat.com>
6494 * tree-vrp.c (simplify_using_ranges): Kill.
6495 (vrp_finalize): Remove call to simplify_using_ranges.
6496 (simplify_stmt_using_ranges): New function extracted from
6497 simplify_using_ranges.
6498 (simplify_div_or_mod_using_ranges): Likewise.
6499 (simplify_abs_using_ranges): Likewise.
6500 (simplify_cond_using_ranges): New function.
6501 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
6502 * tree-ssa-propagate.c (substitute_and_fold): Call
6503 simplify_stmt_using_ranges if we have range information.
6505 2005-07-06 James E. Wilson <wilson@specifixinc.com>
6507 * config/ia64/ia64.c (ia64_reorg): Check optimize before
6508 ia64_flag_schedule_isns2.
6510 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
6511 reading/writing general registers.
6512 (ia64_function_arg): Revert 2005-06-18 change.
6514 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
6516 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
6517 (legitimize_tls_address): Use gcc_unreachable instead of abort.
6519 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
6521 * function.c (expand_function_end): Revert part of 2005-06-27
6522 patch. Do sjlj_emit_function_exit_after after return_label.
6524 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
6526 * doc/install.texi (--disable-libssp): New.
6528 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
6530 * doc/invoke.texi: Update -fforce-mem documentation.
6531 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
6532 code for -fforce-mem.
6533 * expmed.c: (store_bit_field,store_fixed_bit_field,
6534 extract_bit_field): Ditto.
6535 * expr.c: (convert_move): Ditto.
6536 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
6537 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
6538 emit_conditional_add,expand_float,expand_fix): Ditto.
6539 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
6540 (common_handle_option): Issue warning when -fforce-mem specified.
6542 2005-07-06 Paul Brook <paul@codesourcery.com>
6544 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
6546 * configure: Regenerate.
6548 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
6550 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
6552 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
6554 Fix PR tree-optimization/22319
6555 Fix PR tree-optimization/22140
6556 Fix PR tree-optimization/22310
6558 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
6559 variable sized types.
6560 Use correct type for intermediate structure on *a = *b structure
6563 2005-07-06 Jakub Jelinek <jakub@redhat.com>
6565 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
6567 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
6568 (machine_function): Move typedef to...
6569 * config/rs6000/rs6000.c (machine_function): ... here. Add
6570 varargs_save_offset field.
6571 (rs6000_stack_t): Remove varargs_size field.
6572 (setup_incoming_varargs): Allocate varargs save area using
6573 assign_stack_local, try to make it as small as possible.
6574 Save offset from virtual_stack_vars_rtx to the save area
6575 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
6576 instead of magic 8 when fp word byte size is used.
6577 (rs6000_va_start): Use cfun->machine->varargs_save_offset
6578 instead of -RS6000_VARARGS_SIZE.
6579 (rs6000_stack_info, debug_stack_info,
6580 rs6000_initial_elimination_offset): Remove all traces of
6582 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
6583 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
6584 RS6000_VARARGS_AREA.
6586 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6588 PR tree-optimization/21963
6589 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
6590 constant_multiple_of in the same way get_computation_cost_at does.
6592 2005-07-06 Jakub Jelinek <jakub@redhat.com>
6594 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
6595 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
6596 (gen_compare_reg): If sparc_compare_emitted is set, clear it
6597 and return its previous value.
6598 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
6599 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
6601 (stack_protect_set, stack_protect_test): New expanders.
6602 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
6603 stack_protect_testdi): New insns.
6604 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6605 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
6607 2005-07-06 Jeff Law <law@redhat.com>
6609 * tree-ssa-dce.c (cfg_altered): New global.
6610 (tree_dce_init): Initialize cfg_altered.
6611 (remove_dead_stmt): If we remove an edge in the CFG, then set
6613 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
6616 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
6618 * Makefile.in (stamp-collect-ld): Use
6619 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
6620 ./collect-ld if it already exists.
6621 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
6622 Don't remove ./nm if it already exists.
6624 2005-07-05 Devang Patel <dpatel@apple.com>
6626 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
6627 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
6628 * tree-vectorizer.c (vect_loop_location): New.
6629 (vect_print_dump_info): Use vect_loop_location.
6630 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
6631 (vectorize_loops): Set vect_loop_location.
6632 * tree-vect-analyze.c (vect_analyze_offset_expr,
6633 vect_determin_vectorization_factor, vect_analyze_operations,
6634 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
6635 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
6636 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
6637 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
6638 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
6639 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
6640 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
6641 vect_analyze_loop): Adjust vect_print_dump_info API.
6642 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6643 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
6644 vect_finish_stmt_generation, vectorizable_assignment,
6645 vectorizable_operation, vectorizable_store, vectorizable_load,
6646 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
6647 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
6648 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
6649 vect_transform_loop): Same.
6650 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
6651 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
6654 2005-07-05 Randolph Chung <tausq@debian.org>
6656 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
6657 * configure: Regenerate.
6658 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
6659 (pa_tls_referenced_p): Declare.
6660 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
6661 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
6662 (legitimize_tls_address): New.
6663 (hppa_legitimize_address): Handle TLS addresses.
6664 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
6665 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6666 (emit_move_sequence): Handle TLS addresses.
6667 (pa_encode_section_info): Call default handler to handle common
6669 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
6670 (CONSTANT_ADDRESS_P): Reject TLS operands.
6671 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
6672 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
6673 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
6674 (UNSPEC_TLSLE): Define new constants.
6675 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
6676 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
6677 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
6678 (tie_symbolic_operand, tle_symbolic_operand): New
6680 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
6682 * aclocal.m4: Update macros for autoconf 2.59 style.
6683 * configure.ac: Likewise.
6685 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6687 * pa.c (function_value): Handle small aggregates on 32-bit targets.
6688 (function_arg): Pass small aggregates in general registers on 32-bit
6690 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
6692 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
6694 * Makefile.in (final.o): Fix dependencies.
6696 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
6700 * langhooks.h (struct lang_hooks): Add expr_to_decl.
6701 * langhooks.c (lhd_expr_to_decl): New.
6702 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
6704 (LANG_HOOKS_INITIALIZER): Update.
6705 * tree.c (recompute_tree_invarant_for_addr_expr): Call
6706 expr_to_decl langhook.
6707 * c-tree.h (c_expr_to_decl): Declare.
6708 * c-typeck.c (c_expr_to_decl): New.
6709 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
6711 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
6713 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
6716 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
6717 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
6719 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
6721 * Makefile.in: Adjust dependencies.
6722 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
6723 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
6724 * alias.c (rest_of_handle_cfg, pass_cfg): New.
6725 * bb-reorder.c (duplicate_computed_gotos): Make it static.
6726 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
6727 rest_of_compilation.
6729 * bb-reorder.c (gate_duplicate_computed_gotos,
6730 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
6731 rest_of_handle_reorder_blocks, pass_reorder_blocks,
6732 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
6733 pass_partition_blocks): New.
6734 * bt-load.c (gate_handle_branch_target_load_optimize,
6735 rest_of_handle_branch_target_load_optimize,
6736 pass_branch_target_load_optimize): New.
6737 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
6739 * cfglayout.c (pass_insn_locators_initialize): New.
6740 * cfgrtl.c (pass_free_cfg): New.
6741 * combine.c (gate_handle_combine, rest_of_handle_combine,
6743 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
6744 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
6745 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
6746 * except.c (pass_set_nothrow_function_flags,
6747 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
6749 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
6750 rest_of_handle_shorten_branches, pass_shorten_branches,
6751 rest_of_clean_state, pass_clean_state): New.
6752 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
6753 rest_of_handle_remove_death_notes, pass_remove_death_notes,
6754 rest_of_handle_life, pass_life, rest_of_handle_flow2,
6756 * function.c (pass_instantiate_virtual_regs, pass_init_function,
6757 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
6758 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
6759 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
6761 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
6762 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
6763 pass_rtl_ifcvt, gate_handle_if_after_combine,
6764 rest_of_handle_if_after_combine, pass_if_after_combine,
6765 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
6766 pass_if_after_reload): New.
6767 * integrate.c (pass_initial_value_sets): New.
6768 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
6769 pass_purge_lineno_notes): New.
6770 * mode-switching.c (rest_of_handle_mode_switching,
6771 pass_mode_switching): New.
6772 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
6773 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
6775 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
6776 pass_loop_optimize): New.
6777 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
6779 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
6781 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
6782 pass_postreload_cse): New.
6783 * profile.c (gate_handle_profiling, pass_profiling,
6784 rest_of_handle_branch_prob, pass_branch_prob): New.
6785 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
6786 pass_split_before_regstack, gate_handle_split_before_regstack,
6787 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
6788 rest_of_handle_split_all_insns, pass_split_all_insns): New.
6789 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
6790 pass_stack_regs): New.
6791 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
6792 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
6793 pass_stack_adjustments): New.
6794 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
6795 pass_regrename): New.
6796 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
6797 pass_delay_slots, gate_handle_machine_reorg,
6798 rest_of_handle_machine_reorg, pass_machine_reorg): New.
6799 * rtl.h (extern void purge_line_number_notes): New.
6800 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
6801 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
6803 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
6805 * value-prof.c (gate_handle_value_profile_transformations,
6806 rest_of_handle_value_profile_transformations,
6807 pass_value_profile_transformations): New.
6808 * var-tracking.c (gate_handle_var_tracking,
6809 pass_variable_tracking): New.
6810 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
6812 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
6813 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
6814 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
6815 rest_of_handle_old_regalloc, rest_of_handle_regrename,
6816 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
6817 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
6818 rest_of_handle_gcse2, rest_of_handle_regmove,
6819 rest_of_handle_tracer, rest_of_handle_if_conversion,
6820 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
6821 rest_of_handle_web, rest_of_handle_branch_prob,
6822 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
6823 rest_of_handle_jump_bypass, rest_of_handle_combine,
6824 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6825 rest_of_handle_gcse, rest_of_handle_loop_optimize,
6826 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
6827 rest_of_handle_mode_switching, rest_of_handle_jump,
6828 rest_of_handle_eh, rest_of_handle_stack_adjustments,
6829 rest_of_handle_flow2, rest_of_handle_jump2,
6830 rest_of_handle_peephole2, rest_of_handle_postreload,
6831 rest_of_handle_shorten_branches, rest_of_clean_state,
6832 rest_of_compilation): Remove.
6834 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
6835 * passes.c (dump_flags, in_gimple_form, all_passes,
6836 all_ipa_passes, all_lowering_passes, register_one_dump_file,
6837 register_dump_files, next_pass_1, last_verified, execute_todo,
6838 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
6839 from tree-optimize.c.
6840 (init_optimization_passes): Moved from tree-optimize.c,
6841 adding the RTL optimizations.
6842 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
6843 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
6844 all_ipa_passes, all_lowering_passes, register_one_dump_file,
6845 register_dump_files, next_pass_1, last_verified, execute_todo,
6846 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
6847 init_tree_optimization_passes, ipa_passes): Delete.
6848 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
6850 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
6851 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
6853 (ipa_passes): Remove.
6854 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
6855 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
6856 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
6857 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
6858 (dump_info_p, dump_flag): Moved to tree-dump.h.
6860 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
6862 * passes.c (finish_optimization_passes): Use dump_begin
6863 and dump_end, TDI_end.
6864 (gate_rest_of_compilation): New.
6865 (pass_rest_of_compilation): Use it.
6866 (gate_postreload, pass_postreload): New.
6867 * toplev.c (general_init): Rename init_tree_optimization_passes.
6868 * toplev.h (init_tree_optimization_passes): Rename to
6869 init_optimizations_passes.
6870 * tree-dump.c (dump_flag): Make static.
6871 (dump_files): Remove RTL dumps.
6872 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
6873 pass_cleanup_cfg, pass_free_cfg_annotations,
6874 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
6875 pass_init_datastructures, pass_fixup_cfg): Make non-static.
6876 * tree-pretty-print.c: Include tree-pass.h.
6877 * cgraph.c: Include tree-dump.h.
6879 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
6881 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
6882 Only fall back to saying it points to readonly memory if
6885 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6887 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
6888 * config/m32r/m32r.c (m32r_compute_frame_size,
6889 m32r_expand_prologue): Take current_function_profile into
6890 account whenever we reference
6891 current_function_uses_pic_offset_table.
6892 (m32r_finalize_pic): Remove.
6893 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
6895 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
6897 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
6898 instead of $<. Don't remove ./as if it already exists.
6900 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6903 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
6904 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
6905 for complex modes when generating code for PA 1.0.
6906 (VALID_FP_MODE_P): New macro.
6907 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
6908 sets for all general and floating point modes. Align wide floating
6909 point modes to even register boundaries to comply with architectural
6911 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
6912 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
6913 (VALID_FP_MODE_P): New macro.
6914 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
6915 sets for all general and floating point modes. Align wide floating
6916 point modes to even register boundaries to comply with architectural
6919 2005-07-04 Diego Novillo <dnovillo@redhat.com>
6921 * tree-dump.c (dump_files): Initialize dump number for .cgraph
6924 2005-07-04 Diego Novillo <dnovillo@redhat.com>
6926 * tree-ssa-structalias.c: Don't include expr.h.
6928 2005-07-04 Diego Novillo <dnovillo@redhat.com>
6930 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
6933 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
6935 Fix PR tree-optimization/22279
6937 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
6940 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
6942 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
6944 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
6946 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
6947 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
6948 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
6949 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
6950 config/stormy16/stormy16.c, config/v850/v850.c,
6951 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
6952 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
6953 Avoid "." or "\n" at end of diagnostics and capital letters at
6954 start of diagnostics.
6955 * combine.c, cse.c: Don't translate dump file output.
6956 * toplev.c (print_version): Only translate output if going to
6959 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
6961 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
6962 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
6965 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6967 * pa.c (fix_range): Fix typo in comment.
6969 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
6971 * tree-vrp.c (extract_range_from_assert): Replace
6972 fold (build (...)) with fold_build2.
6974 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6976 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
6977 gcc_gfc_char_table, init_dynamic_gfc_info): New.
6978 (format_types_orig, handle_format_attribute): Add support for
6981 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
6983 * varasm.c (assemble_variable): Fix format specifier thinko.
6985 2005-07-03 Ira Rosen <irar@il.ibm.com>
6987 PR tree-optimization/22029 (and 22135)
6988 * tree-pretty-print.c (dump_generic_node): Check that the node is not
6989 a phi node before calling dump_vops.
6991 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
6993 * tree-dump.h (dump_string_field): Declare.
6994 * tree-dump.c: Use it instead of dump_string.
6995 (dump_string_field): Make non-static.
6997 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
6999 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
7000 up the minimal CFG stuff always when optimize > 0. Call
7001 split_all_insns_noflow in PIC case if needed.
7003 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
7004 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
7007 * c-decl.c (c_write_global_declarations): Dump contents of
7009 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
7010 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
7011 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
7012 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
7015 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
7017 * c-common.h (GCC_DIAG_STYLE): Define.
7018 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
7019 version for format checking to 4.1.
7020 * c-format.c: Include toplev.h after c-common.h.
7021 (enum format_type): Add gcc_tdiag_format_type.
7022 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
7023 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
7024 (format_types_orig): Add gcc_tdiag.
7025 (init_dynamic_diag_info): Support gcc_tdiag formats.
7026 (handle_format_attribute): Likewise.
7027 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
7028 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
7029 version for format checking to 4.1.
7030 (warning0, warning, error, pedwarn, sorry): Use
7032 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
7033 (finish_aliases_1): Do not use %qE.
7034 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
7035 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
7036 Correct format bugs.
7037 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
7038 parameter to unsigned HOST_WIDE_INT.
7039 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
7041 2005-07-02 David Edelsohn <edelsohn@gnu.org>
7044 * expr.c (write_complex_part): Use adjust_address for MEM.
7045 (read_complex_part): Same.
7047 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
7049 Fix PR tree-optimization/22280
7051 * tree-sra.c (generate_element_init): Remove useless loop.
7053 2005-07-02 Richard Henderson <rth@redhat.com>
7055 * config/alpha/alpha.c (alpha_legitimize_address): Check for
7057 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
7059 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
7062 * fold-const.c (fold_binary): Handle the return value of
7063 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
7064 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
7066 2005-07-02 Jeff Law <law@redhat.com>
7068 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
7069 a eliminate type conversion which feeds an equality comparison
7070 if the original type or either operand in the comparison is a
7073 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
7075 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
7076 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
7078 * config/avr/avr.c: Do not use '`' as left quote.
7079 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
7080 Remove "." from end of diagnostics. Make diagnostics start with
7083 2005-07-02 Zack Weinberg <zack@codesourcery.com>
7084 Joseph S. Myers <joseph@codesourcery.com>
7086 * toplev.c (default_tree_printer): Handle setting location with
7088 * c-objc.common.c (c_tree_printer): Likewise.
7089 * c-format.c (gcc_diag_flag_specs): Add '+'.
7090 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
7091 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
7093 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
7094 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
7095 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
7096 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
7097 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
7098 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
7099 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
7100 format arguments where %J is used without %D.
7102 2005-07-02 Jakub Jelinek <jakub@redhat.com>
7104 * gcc.c (LINK_SSP_SPEC): Define.
7105 (link_ssp_spec): New variable.
7106 (LINK_COMMAND_SPEC): Add %(link_ssp).
7107 (static_specs): Add link_ssp_spec.
7108 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
7109 * configure: Rebuilt.
7110 * config.in: Rebuilt.
7112 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7113 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7114 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7115 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7116 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
7117 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
7118 -0x7008(2) instead of reading __stack_chk_guard variable.
7119 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
7121 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
7122 (stack_protect_set, stack_protect_test): Use *_tls* patterns
7123 if TARGET_THREAD_SSP_OFFSET is defined.
7124 (stack_tls_protect_set_si, stack_tls_protect_set_di,
7125 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
7128 2005-06-27 Richard Henderson <rth@redhat.com>
7129 * libgcc-std.ver (GCC_4.1.0): New.
7130 * libgcc.h (__stack_chk_guard): Declare.
7131 (__stack_chk_fail, __stack_chk_fail_local): Declare.
7132 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
7133 * mklibgcc.in (lib2funcs): Add them.
7135 2005-07-01 Richard Henderson <rth@redhat.com>
7137 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
7138 void * before struct sigcontext *.
7139 (x86_fallback_frame_state): Likewise.
7141 2005-07-01 James E. Wilson <wilson@specifixinc.com>
7143 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
7145 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7148 * tree-ssa-reassoc.c (should_transpose): Fix which operand
7149 we check for SSA_NAME for.
7151 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
7153 Fix PR tree-optimization/22071
7155 * tree-ssa-structalias.c (offset_overlaps_with_access): New
7157 (get_constraint_for_component_ref): Use it.
7159 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7162 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
7163 print out the last new line.
7165 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
7167 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
7168 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
7169 * config/cris/cris.c (cris_conditional_register_usage): Adjust
7170 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
7171 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
7172 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
7173 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
7174 (enum reg_class): New member CC0_REGS.
7175 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
7176 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7177 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
7178 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
7179 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7180 Adjust for register now described.
7182 2005-07-01 Jakub Jelinek <jakub@redhat.com>
7185 * config/i386/i386.md (stack_protect_test_si,
7186 stack_protect_test_di): Add earlyclobber for scratch 3.
7187 * config/rs6000/rs6000.md (stack_protect_testsi,
7188 stack_protect_testdi): Add earlyclobber for scratch 3,
7189 remove earlyclobber from scratch 4.
7191 Older entries for 2005 can be found in ChangeLog-2005.