1 2005-10-06 Richard Henderson <rth@redhat.com>
4 * mode-switching.c (optimize_mode_switching): Clear transp bit
5 for block with incomming abnormal edges.
7 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
8 (fpscr_set_from_mem): Use them.
9 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
10 (fpscr postinc splitters): Rewrite as peephole2+split.
12 2005-10-06 David Edelsohn <edelsohn@gnu.org>
14 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
15 (eq<mode>_compare): Same.
17 2005-10-06 Richard Guenther <rguenther@suse.de>
19 PR tree-optimization/24238
20 * tree-ssa-alias.c (find_used_portions): Handle PARAM_DECL.
22 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
24 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
25 here. Use AC_PATH_PROG for environment variables instead of
27 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
29 * configure: Regenerated.
31 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
34 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
35 then force it into a register.
36 (call_value): Likewise.
38 2005-10-06 Richard Henderson <rth@redhat.com>
41 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
42 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
45 2005-10-05 Devang Patel <dpatel@apple.com>
48 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
49 handling constants. Check NAMESPACE_DECL context for constants.
51 2005-10-05 Eric Christopher <echristo@apple.com>
53 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
55 2005-10-05 Richard Henderson <rth@redhat.com>
58 * tree-cfg.c (mark_array_ref_addressable_1): New.
59 (mark_array_ref_addressable): New.
60 * tree-flow.h (mark_array_ref_addressable): Declare.
61 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
63 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
67 * reload.c (subst_reloads): When adding a REG_LABEL to a
68 jump instruction, also update JUMP_LABEL.
70 2005-10-05 David Edelsohn <edelsohn@gnu.org>
72 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
73 * bb-reorder.c (copy_bb_p): Use it.
74 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
76 2005-10-05 Richard Henderson <rth@redhat.com>
79 * toplev.c (process_options): Warn about unsupported combinations
80 of unwind tables and omit-frame-pointer.
81 * config/i386/i386.c (override_options): Similarly. Enable
82 accumulate-outgoing-args if not explicitly disabled.
84 2005-10-05 Steve Ellcey <sje@cup.hp.com>
86 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
87 Handle big endian vs. small endian.
88 (vec_initv2sf): Handle big endian vs. small endian.
89 (*vec_extractv2sf_1): Ditto.
91 2005-10-05 Dale Johannesen <dalej@apple.com>
93 * convert.c (convert_to_real): Don't convert
94 (float)floor(double d) to floorf((float)d).
96 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
98 * config/arm/arm.md (insv): Use gen_int_mode in more places.
100 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
102 PR tree-optimization/18587
103 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
104 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
105 build_vuses): Change to VEC type.
106 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
107 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
108 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
109 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
110 (get_name_decl): New. Return DECL_UID of base variable.
111 (operand_build_cmp): New. qsort comparison routine.
112 (operand_build_sort_virtual): New. Sort virtual build vector.
113 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
114 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
115 (FINALIZE_BASE): Use get_name_decl.
116 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
117 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
118 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
119 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
120 direct VEC_* manipulations.
121 (build_ssa_operands): Call operand_build_sort_virtual.
122 (copy_virtual_operand, create_ssa_artficial_load_stmt,
123 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
124 with direct VEC_* manipulations.
125 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
126 with direct VEC manipulations.
128 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
130 PR tree-optimization/21419
131 PR tree-optimization/24146
132 PR tree-optimization/24151
134 * c-typeck.c (readonly_error): Handle USE being lv_asm.
135 (build_asm_expr): Call it if outputs are read-only.
136 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
138 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
139 Paolo Bonzini <bonzini@gnu.org>
143 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
144 enable the instructions and not just the built-ins.
145 * doc/invoke.texi (x86 Options): Likewise.
147 2005-10-04 Geoffrey Keating <geoffk@apple.com>
149 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
151 * doc/invoke.texi (Option Summary): Correct spelling
152 of -mmacosx-version-min.
154 2005-10-04 Devang Patel <dpatel@apple.com>
156 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
159 2005-10-04 Steve Ellcey <sje@cup.hp.com>
161 * tree-vect-transform.c (vect_create_epilog_for_reduction):
162 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
164 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
166 * config/s390/s390.md ("TDSI","DP"): New mode macros.
167 ("TE","tg"): New mode attributes.
168 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
169 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
170 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
171 dword_mode and one for GPRmode.
173 2005-10-04 Ian Lance Taylor <ian@airs.com>
175 PR preprocessor/13726
176 * c-ppoutput.c (cb_include): Add comments parameter, and print out
177 any comments passed in.
179 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
181 * tree.c (annotate_with_file_line): Fix typo.
183 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
186 * builtins.c (fold_builtin_memcmp): When constructing the pointer
187 type used to access data in the inlined length == 1 case, use
188 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
189 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
191 2005-10-04 Uros Bizjak <uros@kss-loka.si>
193 * config/i386/i386.h (TARGET_FISTTP): Enable also for
194 TARGET_SSE3 and only for TARGET_80387.
195 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
196 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
197 Do not depend on TARGET_80387.
199 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
201 * tree.c (last_annotated_node): Change type to location_t*.
202 (annotate_with_file_line): Reflect the change of
203 last_annotated_node type.
205 2005-10-04 Richard Guenther <rguenther@suse.de>
208 * c-decl.c (grokdeclarator): Don't write to fields
211 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
214 * c-decl.c (finish_decl): Use set_user_assembler_name even for
216 * varasm.c (make_decl_rtl): If a register variable does not
217 have a set user assmbler name, error out.
218 Decode the asmspec is now name+1 bypassing '*'.
220 2005-10-04 Steven Bosscher <stevenb@suse.de>
222 PR tree-optimization/23049
223 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
224 of a COND_EXPR is folded before calling fold on the whole rhs of a
225 conditional assignment.
226 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
227 document that a COND_EXPR may appear there.
229 2005-10-03 Diego Novillo <dnovillo@redhat.com>
232 * tree-vrp.c (extract_range_from_assert): If the new numeric
233 range created out of the assertion contradicts the existing
234 numeric range of the ASSERT_EXPR variable, make the new range
237 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
239 * config/sh/sh.c (sh_register_move_cost): Add case for moving
240 from T_REGS to FP register class.
242 2005-10-03 Richard Henderson <rth@redhat.com>
245 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
246 before creating a new one.
248 2005-10-03 David Edelsohn <edelsohn@gnu.org>
250 * config/rs6000/t-aix43 (LDFLAGS): New.
251 * config/rs6000/t-aix52 (LDFLAGS): New.
253 2005-10-03 Ian Lance Taylor <ian@airs.com>
255 * gimplify.c (find_single_pointer_decl_1): New static function.
256 (find_single_pointer_decl): New static function.
257 (internal_get_tmp_var): For a formal variable, set restrict base
258 information if appropriate.
259 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
261 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
262 (DECL_GET_RESTRICT_BASE): Define.
263 (SET_DECL_RESTRICT_BASE): Define.
264 (decl_restrict_base_lookup): Declare.
265 (decl_restrict_base_insert): Declare.
266 (struct tree_decl_with_vis): Add based_on_restrict_p field.
267 * tree.c (restrict_base_for_decl): New static variable.
268 (init_ttree): Initialize restrict_base_for_decl.
269 (copy_node_stat): Copy restrict base information.
270 (decl_restrict_base_lookup): New function.
271 (decl_restrict_base_insert): New function.
272 (print_restrict_base_statistics): New static function.
273 (dump_tree_statistics): Call print_restrict_base_statistics.
275 2005-10-02 Diego Novillo <dnovillo@redhat.com>
278 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
281 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
284 * c-typeck.c (tagged_tu_seen): Rename to ...
285 (tagged_tu_seen_cache): this and add val field.
286 (comptypes): Move functional to comptypes_internal
287 and free tagged_tu_seen.
288 (comptypes_internal): New function and call comptypes_internal
289 instead of comptypes. Speed up by sibcalling
290 tagged_types_tu_compatible_p.
291 (alloc_tagged_tu_seen): New function
292 (free_all_tagged_tu_seen_up_to): New function.
293 (tagged_types_tu_compatible_p): Return the val of the seen two
295 Add that the two types are the same to tagged_tu_seen_base
296 if they are and call comptypes_internal instead of comptypes.
297 <case UNION_TYPE>: Speed up common type where the fields are
299 (function_types_compatible_p): Call comptypes_internal instead of
301 (type_lists_compatible_p): Likewise.
302 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
304 2005-10-02 Matthias Klose <doko@debian.org>
306 * doc/invoke.texi: Fix typo and speling error.
308 2005-10-01 Richard Henderson <rth@redhat.com>
310 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
312 2005-10-01 Mark Mitchell <mark@codesourcery.com>
314 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
315 using --start-group and --end-group.
317 2005-10-01 Diego Novillo <dnovillo@redhat.com>
319 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
320 FIXME note regarding quirky semantics.
322 2005-10-01 Diego Novillo <dnovillo@redhat.com>
325 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
326 non-null range as a last resort.
328 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
329 Diego Novillo <dnovillo@redhat.com>
332 * tree-vrp.c (extract_range_from_assert): For !=
333 assertions, only build an anti-range if LIMIT is a
336 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
338 * arm.md (movqi): On thumb when optimizing, handle loading from
339 memory by describing this as taking a subreg of a zero-extended load
340 into an SImode register.
343 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
345 * reload1.c (merge_assigned_reloads): Do not change any
346 RELOAD_FOR_OUTPUT_ADDRESS reloads.
348 2005-09-30 Geoffrey Keating <geoffk@apple.com>
350 * Makefile.in (LIPO_FOR_TARGET): Define.
351 (STRIP_FOR_TARGET): Define.
353 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
354 before creating new ones. Do symlinks before creating the actual
357 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
358 to work out which multilibs are actually being built.
360 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
362 * tree-vect-transform.c, config/ms1/ms1.md,
363 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
364 Follow spelling conventions.
365 * doc/invoke.texi, doc/md.texi: Fix typos.
367 2005-09-30 Andrew Macleod <amacleod@redat.com>
369 PR tree-optimization/21430
370 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
371 use operands, and set stmt pointer if need be.
372 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
373 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
376 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
379 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
381 2005-09-29 Mark Mitchell <mark@codesourcery.com>
383 * optabs.c (expand_binop): Initialize first_pass_p.
385 2005-09-29 Jakub Jelinek <jakub@redhat.com>
388 * c-decl.c (c_write_global_declarations_1): If any
389 wrapup_global_declaration_2 call returned true, restart the loop.
391 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
393 Fix PR tree-optimization/24117
394 * tree-ssa-structalias.c (find_func_aliases): Strip nops
395 before considering whether to use anyoffset.
397 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
401 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
403 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
405 (swap_commutative_operands_with_target): New.
407 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
410 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
413 2005-09-29 Steven Bosscher <stevenb@suse.de>
415 PR tree-optimization/23911
416 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
417 and IMAGPART_EXPR too.
419 2005-09-28 Mark Mitchell <mark@codesourcery.com>
422 * expmed.c (expand_shift): Move logic to reverse rotation
423 direction when rotating by constants ...
424 * optabs.c (expand_binop): ... here.
425 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
426 (ix86_rotrdi3): New pattern.
427 (rotldi3): Handle 32-bit mode.
428 (ix86_rotldi3): New pattern.
430 2005-09-29 Alan Modra <amodra@bigpond.net.au>
433 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
434 check for numbers that need no bit twiddle.
436 2005-09-28 Geoffrey Keating <geoffk@apple.com>
438 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
439 multilib to be built.
441 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
442 (stage1-start): Delete old libgcc and libunwind before moving
443 anything into the stage directory.
444 (stage2-start): Likewise.
445 (stage3-start): Likewise.
446 (stage4-start): Likewise.
447 (stageprofile-start): Likewise.
448 (stagefeedback-start): Likewise.
449 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
450 header in tm_file and CPU-specific t-darwin in tmake_file.
451 (i[34567]86-*-darwin*): Don't change tm_file.
452 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
453 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
454 shared library stub for target OS version.
455 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
456 (SHLIB_LINK): Don't make SHLIB_SOLINK.
457 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
458 (libgcc_s.%.dylib): New.
460 (install-darwin-libgcc-stubs): New.
461 (INSTALL_LIBGCC): New append.
462 * config/i386/darwin-libgcc.10.4.ver: New.
463 * config/i386/darwin-libgcc.10.5.ver: New.
464 * config/i386/t-darwin: New.
465 * config/rs6000/darwin-libgcc.10.4.ver: New.
466 * config/rs6000/darwin-libgcc.10.5.ver: New.
467 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
468 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
470 2005-09-28 Paul Brook <paul@codesourcery.com>
472 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
475 2005-09-28 Richard Guenther <rguenther@suse.de>
477 PR tree-optimization/23853
478 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
479 host_integerp to verify misalignment value.
481 2005-09-28 Richard Henderson <rth@redhat.com>
483 * builtins.c (get_builtin_sync_mode): New.
484 (expand_builtin_sync_operation): Pass in mode argument.
485 (expand_builtin_compare_and_swap): Likewise.
486 (expand_builtin_lock_test_and_set): Likewise.
487 (expand_builtin_lock_release): Likewise.
488 (expand_builtin): Update to match.
490 2005-09-28 Nick Clifton <nickc@redhat.com>
492 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
493 formatting. Add check to PLUS case to ensure that the offset is
494 within an acceptable range.
496 * config/v850/v850.md (casesi): Disable the generation of the
497 switch pattern as it is not being handled properly at the moment.
499 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
500 for when the high words are identical.
502 2005-09-27 Richard Henderson <rth@redhat.com>
504 * pretty-print.c (pp_base_format): Fix typo for %>.
506 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
507 Devang Patel <dpatel@apple.com>
509 PR tree-optimization/23625
510 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
511 LABEL_EXPR, assertion check.
513 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
515 * optabs.c (no_conflict_move_test): Check if a result of a
516 to-be-moved insn would be clobbered by an originally
519 2005-09-27 Jeff Law <law@redhat.com>
521 * passes.c (init_optimization_passes): Replace copy propagation
522 passes immediately after DOM with phi-only copy propagation
523 pases. Add phi-only copy propagation pass after first DOM pass.
524 * tree-pass.h (pass_phi_only_copy_prop): Declare.
525 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
526 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
527 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
528 to init_copy_prop. Callers updated.
529 (do_phi_only_copy_prop): New function.
530 (pass_phi_only_copy_prop): New pass descriptor.
532 2005-09-27 Nick Clifton <nickc@redhat.com>
534 * libgcc2.c (__popcount_tab): Remove redundant prototype.
536 2005-09-26 Jason Merrill <jason@redhat.com>
539 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
541 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
543 2005-09-26 James E Wilson <wilson@specifix.com>
545 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
546 copyright. Add gcc copyright plus libgcc exception.
547 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
549 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
551 2005-09-26 Jeff Law <law@redhat.com>
553 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
554 about when to iterate.
556 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
559 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
560 for __complex__ double in -mcpu=G5 mode.
562 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
564 PR tree-optimization/23942
565 * Makefile.in (SCEV_H): Depends on PARAMS_H.
566 * tree-scalar-evolution.c: Include params.h.
568 (follow_ssa_edge, follow_ssa_edge_in_rhs,
569 follow_ssa_edge_in_condition_phi_branch,
570 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
571 Change return type to t_bool. Use a parameter to limit the size of
572 trees that are walked before stopping
573 (analyze_evolution_in_loop): Initialize the limit to 0.
574 (follow_ssa_edge): Give up by returning t_dont_know if the limit
575 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
577 2005-09-26 Uros Bizjak <uros@kss-loka.si>
580 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
581 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
583 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
585 * combine.c (make_extraction): Check for valid use of subreg.
587 2005-09-26 Uros Bizjak <uros@kss-loka.si>
590 * config/i386/i386.md ("*fistdi2_1"): New pattern.
591 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
592 ("fist<mode>2_with_temp"): Use only register operands.
594 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
596 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
597 CALL_INSN_FUNCTION_USAGE.
599 2005-09-26 Richard Guenther <rguenther@suse.de>
602 * gcse.c: Include hashtab.h, define ldst entry hashtable.
603 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
604 (ldst_entry): Use the hashtable instead of list-walking.
605 (find_rtx_in_ldst): Likewise.
606 (free_ldst_entry): Free the hashtable.
607 (compute_ld_motion_mems): Create the hashtable.
608 (trim_ld_motion_mems): Remove entry from hashtable if
609 removing it from list.
610 (compute_store_table): Likewise^2.
611 (store_motion): Free hashtable in case we did not see
614 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
616 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
617 and arg1 if we are passing them to fold_build2.
619 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
622 * config/i386/i386.c (ix86_function_regparm): Fix the test for
625 2005-09-25 Richard Henderson <rth@redhat.com>
627 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
628 SYMBOL_REF_TLS_MODEL to be correct.
630 2005-09-24 Richard Henderson <rth@redhat.com>
632 * ipa-type-escape.c (discover_unique_type): Remove dead code at
633 end of function. Reindent.
635 2005-09-24 Ian Lance Taylor <ian@airs.com>
637 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
638 NEGATE_EXPR/BIT_NOT_EXPR case.
640 2005-09-24 Richard Henderson <rth@redhat.com>
642 * c-common.c (handle_mode_attribute): When not modifying in place,
643 create subtypes for enumerations.
644 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
645 * gimplify.c (create_tmp_from_val): Likewise.
647 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
649 * config/i386/i386.md (*tls_global_dynamic_64,
650 *tls_local_dynamic_base_64): Add missing mode to call.
651 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
653 2005-09-24 Jan Hubicka <jh@suse.cz>
655 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
656 (cgraph_clone_node): Likewise.
657 * cgraph.h (cgraph_clone_edge): Update prototype.
658 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
659 duplicated prototypes; add updating argument.
660 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
661 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
663 (cgraph_mark_inline_edge): Likewise.
664 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
665 (cgraph_flatten_node): Likewise.
666 (cgraph_decide_recursive_inlining): Likewise.
667 (cgraph_decide_inlining_of_small_function): Likewise.
668 * tree-optimize.c (tree_rest_of_compilation): Likewise.
670 2005-09-23 David Edelsohn <edelsohn@gnu.org>
671 Pete Steinmetz <steinmtz@us.ibm.com>
673 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
674 (rldic.): Set type to "compare".
676 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
677 mfjmpr for MFCTR/MFLR.
678 (movdf_hardfloat64): Same.
679 (movdf_softfloat64): Same. Correct order of store and move types.
680 (movti_string): Set type to store_ux/load_ux.
681 (load_multiple): Set type to load_ux.
682 (store_multiple): Set type to store_ux.
683 (movmemsi): Set type to store_ux.
684 (output_cbranch direct_return): Set type to jmpreg.
685 (stmw): Set type to store_ux.
686 (lmw): Set type to load_ux.
687 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
688 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
689 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
690 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
691 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
692 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
693 (rios1-fpstore): Increase latency to 3.
694 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
695 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
697 2005-09-23 David Edelsohn <edelsohn@gnu.org>
698 Andrew Pinski <pinskia@physics.uc.edu>
700 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
701 operand2 constraint to "b".
702 (sync_<fetchop_name>di_internal): Same.
703 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
705 (sync_old_<fetchop_name>di_internal): Same.
706 (sync_new_<fetchop_name>si_internal): Same.
707 (sync_new_<fetchop_name>di_internal): Same.
709 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
712 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
713 case, define as macros.
715 PR rtl-optimization/23837
716 * optabs.c (no_conflict_move_test): Don't set must_stay for a
717 clobber / clobber match between dest and p->first.
719 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
720 (no_conflict_move_test): Update comments.
722 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
724 * doc/install.texi: Update URL for Jacks.
725 * doc/sourcebuild.texi: Likewise.
727 2005-09-22 David Edelsohn <edelsohn@gnu.org>
730 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
731 registers when choosing register preferences.
732 (movdf_hardfloat64): Same.
734 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
736 * expmed.c (expand_shift): Don't use the target of the rotate as
737 target for the first expanded shift insn.
738 * testsuite/gcc.dg/20050922-1.c: Testcase added.
740 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
742 PR tree-optimization/22438
743 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
744 preserved iv rhs rewriting specially.
746 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
748 * tree-data-ref.c (analyze_array_indexes): Only estimate when
749 estimate_only is true.
750 * tree-flow.h (ref_contains_indirect_ref): New prototype.
751 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
752 tree-ssa-structalias.c
753 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
754 ref_contains_indirect_ref.
755 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
757 2005-09-21 DJ Delorie <dj@redhat.com>
759 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
761 (mn10300_return_in_memory): Support variable size types also.
762 (mn10300_pass_by_reference): Likewise.
763 (mn10300_function_value): New.
764 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
765 (FUNCTION_OUTGOING_VALUE): Likewise.
766 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
767 * doc/invoke.texi: Document it.
769 2005-09-21 Uros Bizjak <uros@kss-loka.si>
772 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
773 force integer op1 into register for XFmode compares.
775 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
778 * expmed.c (alg_code): Add alg_impossible.
779 (alg_hash_entry): Add cost.
780 (synth_mult): Record alg_impossible in the hash table if
781 multiplication by a given integer is impossble within the
782 limit. Speed up using alg_impossible.
784 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
786 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
787 argument. Allow and set any offset if needs_anyoffset is passed
789 (get_constraint_for): Add argument here too.
791 (do_structure_copy): Pass NULL to get_constraint_for.
792 (handle_ptr_arith): Ditto.
793 (find_func_aliases): Ditto.
795 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
797 PR rtl-optimization/23898
798 * output.h (get_attr_min_length): Declare.
799 * final.c (get_attr_length_1): New function, broken out of:
801 (get_attr_min_length): New function.
802 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
803 (duplicate_computed_gotos): Likewise.
804 * genattr.c (insn_min_length): Generate declaration.
805 * genattrtab.c (min_fn, min_attr_value): New functions.
806 (make_length_attrs): Generate insn_min_length.
808 2005-09-20 Steve Ellcey <sje@cup.hp.com>
810 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
812 2005-09-20 Richard Henderson <rth@redhat.com>
814 PR tree-optimization/24059
815 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
818 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
820 * c.opt (fextended-identifiers): New.
821 * c-opts.c (c_common_handle_option): Handle
822 -fextended-identifiers.
823 * doc/cpp.texi: Update documentation of extended identifiers.
824 * doc/cppopts.texi (-fextended-identifiers): Document.
826 2005-09-20 Jakub Jelinek <jakub@redhat.com>
828 PR tree-optimization/23929
829 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
832 PR tree-optimization/23818
833 * tree-stdarg.c (execute_optimize_stdarg): Call
834 calculate_dominance_info.
836 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
838 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
839 (analyze_siv_subscript_cst_affine): Add weak SIV test.
840 (compute_overlap_steps_for_affine_1_2): Use
841 get_number_of_iters_for_loop.
842 (analyze_subscript_affine_affine): Check whether difference is
844 Use get_number_of_iters_for_loop.
845 Check whether overlap occurs outside of bounds.
846 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
848 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
850 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
851 base register if possible.
853 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
855 PR tree-optimization/18463
856 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
857 converting it directly is not possible.
858 (chrec_convert_aggressive): New function.
859 * tree-chrec.h (chrec_convert_aggressive): Declare.
860 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
861 Fold chrec conversions aggressively if asked to.
862 (instantiate_parameters): Modified because of changes in
863 instantiate_parameters_1.
865 2005-09-19 Richard Henderson <rth@redhat.com>
867 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
868 (reduc_splus_v2df): New.
870 2005-09-19 Richard Sandiford <richard@codesourcery.com>
872 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
873 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
875 2005-09-19 Richard Henderson <rth@redhat.com>
877 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
880 2005-09-19 Richard Henderson <rth@redhat.com>
882 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
883 (ia64_expand_dot_prod_v8qi): New.
884 * config/ia64/ia64-protos.h: Update.
885 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
886 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
887 sdot_prodv8qi, sdot_prodv4hi): New.
888 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
890 2005-09-19 Richard Henderson <rth@redhat.com>
893 * real.c (exact_real_truncate): Return false if the format cannot
894 represent the number as a normal.
896 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
899 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
901 * tree-ssa-operands.c (swap_tree_operands): Export.
902 * tree.h (swap_tree_operands): Declare.
903 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
904 Call swap_tree_operands.
906 2005-09-19 Richard Henderson <rth@redhat.com>
908 * tree-flow.h (merge_alias_info): Declare.
909 * tree-ssa-copy.c (merge_alias_info): Export.
910 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
911 (vect_create_data_ref_ptr): Use create_iv directly.
912 (vectorizable_load): Use correct types for integer constants.
913 (vect_generate_tmps_on_preheader): Likewise.
914 (vect_gen_niters_for_prolog_loop): Likewise.
916 2005-09-19 Steven Bosscher <stevenb@suse.de>
918 PR rtl-optimization/23943
919 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
921 2005-09-18 Jan Hubicka <jh@suse.cz>
923 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
925 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
927 * varasm.c (output_constant): Do not abort on conversions to union
928 types between different sizes.
930 2005-09-18 Richard Guenther <rguenther@suse.de>
933 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
936 2005-09-18 Paul Brook <paul@codesourcery.com>
938 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
940 2005-09-17 Richard Henderson <rth@redhat.com>
942 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
943 * tree-ssa-loop.c (pass_vect_dce): Remove.
944 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
947 2005-09-17 Richard Henderson <rth@redhat.com>
949 * tree-pass.h (pass_vect_dce): Declare.
950 * passes.c (init_optimization_passes): Add it.
951 * tree-flow.h (tree_ssa_dce): Declare.
952 * tree-ssa-dce.c (tree_ssa_dce): Export.
953 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
954 (gate_tree_vectorize): ... here.
955 (pass_vect_dce): New.
957 2005-09-17 Jan Hubicka <jh@suse.cz>
959 * except.c (struct eh_status): Turn region_array into vec.
960 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
961 convert_from_eh_region_ranges, find_exception_handler_labels,
962 current_function_has_exception_handlers, assign_filter_values,
963 build_post_landing_pads, dw2_build_landing_pads,
964 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
965 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
966 foreach_reachable_handler, can_throw_internal_1,
967 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
969 (duplicate_eh_region_1): Update region_array.
970 (duplicate_eh_regions): Resize region_array and avoid recomputing.
972 2005-09-17 David Edelsohn <edelsohn@gnu.org>
975 * expmed.c (expand_mult): Substitute simple register for op0 when
978 2005-09-17 Richard Henderson <rth@redhat.com>
980 * expr.c (emit_move_via_integer): Add force argument, pass it on
981 to emit_move_change_mode. Update callers.
982 (emit_move_complex): Pass true to new force argument.
983 * function.c (expand_function_end): Move expand_eh_return call
984 earlier. Merge sub-word complex values into a pseudo before
985 copying to the return hard register.
987 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
989 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
990 between different sizes.
992 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
996 * passes.c (init_optimization_passes): Register dump files for
999 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
1001 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1002 * config/s390/s390.c (s390_overlap_p): New function.
1003 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1004 peephole2, "*xc" peephole2): Added overlap check to the peephole2
1007 2005-09-16 Richard Guenther <rguenther@suse.de>
1009 * ipa-pure-const.c (static_execute): Free auxiliar information.
1010 * ipa-type-escape.c (discover_unique_type): Free temporary key.
1011 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1013 2005-09-15 DJ Delorie <dj@redhat.com>
1015 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1017 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1019 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1021 (swap_commutative_operands_with_target): New.
1023 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
1025 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1028 (estimate_iters_using_array): New function.
1029 * tree-data-ref.h (estimate_iters_using_array): Prototype
1030 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1031 Use estimate_iters_using_array instead of analyze_array.
1033 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
1035 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1038 2005-09-15 Michael Matz <matz@suse.de>
1040 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1042 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
1044 PR tree-optimization/23835
1045 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1046 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1048 2005-09-14 Richard Henderson <rth@redhat.com>
1050 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1051 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1053 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
1055 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1056 in the ARRAY_TYPE case.
1058 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
1060 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1062 2005-09-14 Uros Bizjak <uros@kss-loka.si>
1065 * tree-vect-transform.c (vectorizable_operation): Return false for
1066 scalar shift operations and for vector shift operations with
1067 non-invariant shift arguments. Use scalar tree operand op1 as
1068 a shift operand when vector shift insn pattern uses scalar shift
1070 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1072 2005-09-14 Olivier Hainque <hainque@adacore.com>
1074 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1075 value if it has side-effects.
1077 2005-09-14 David Edelsohn <edelsohn@gnu.org>
1080 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1082 2005-09-14 Alan Modra <amodra@bigpond.net.au>
1084 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1085 passed as NAME as if it were label at start of function code.
1087 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
1089 * config/sh/sh.md (*movv4sf_i): Add general register cases to
1092 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1094 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1095 as early clobber. Rewrite so the PIC register is not implicitly used.
1097 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1099 * tree.c (annotate_with_file_line): Compare line numbers before
1102 2005-09-13 Uros Bizjak <uros@kss-loka.si>
1105 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1106 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1108 2005-09-13 Ian Lance Taylor <ian@airs.com>
1110 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1111 than a HOST_WIDEST_INT to gen_doloop_begin.
1113 2005-09-13 Diego Novillo <dnovillo@redhat.com>
1115 * tree-dfa.c (dump_variable): Guard against NULL annotations.
1117 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
1119 PR tree-optimize/23817
1120 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1122 2005-09-13 Alan Modra <amodra@bigpond.net.au>
1125 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1126 word before changing the stack pointer. Use gen_frame_mem for MEMs.
1127 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1128 (restore_stack_nonlocal): Likewise.
1129 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1131 2005-09-12 Ian Lance Taylor <ian@airs.com>
1134 * c.opt (ffriend-injection): New C++ option.
1135 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1136 (C++ Dialect Options): Document -ffriend-injection.
1138 2005-09-12 Josh Conner <jconner@apple.com>
1141 * ipa-reference.c (static_execute): Don't mark variables in
1142 named sections TREE_READONLY.
1144 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1146 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1149 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1151 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1152 V_MUST_DEF instead of just the first_use_p.
1153 Don't mark the virtual variables for renaming on the statement which
1155 (pass_dse): Remove TODO_update_ssa.
1157 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
1160 * stor-layout.c (compute_record_mode): For records with a single
1161 field, actually check the field's mode size against the type size.
1163 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1164 registers for TARGET_SHMEDIA.
1165 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1166 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
1167 of GENERAL_REGS and FP_REGS.
1169 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
1171 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1173 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1175 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1176 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1177 are omitted. Exclude stack_tie insn too.
1179 2005-09-11 David Edelsohn <edelsohn@gnu.org>
1181 PR rtl-optimization/23098
1182 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1184 * config/rs6000/rs6000.md (movdf splitter): Use
1185 const_double_operand predicate for TARGET_POWERPC64.
1186 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1187 SYMBOL_REF method to ABI_V4.
1189 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1190 replace_equiv_address.
1191 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1192 rs6000_sr_alias_set and MEM_NOTRAP.
1193 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1195 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
1197 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1198 handle CALL_EXPR again.
1200 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
1202 * arm/predicates.md (alignable_memory_operand): Delete.
1204 2005-09-10 Richard Henderson <rth@redhat.com>
1207 * dbxout.c (dbxout_expand_expr): New.
1208 (dbxout_symbol): Use it.
1210 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
1212 * arm.c (arm_gen_rotated_half_load): Delete.
1213 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1214 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1215 (thumb_set_return_address): Likewise.
1216 (thumb_load_double_from_address): Use adjust_address.
1217 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1218 (extendhsisi2_mem, movhi_bytes): Use change_address.
1219 (movhi): Use widen_memory_access.
1220 (reload_out_df): Use replace_equiv_address.
1221 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1223 2005-09-09 Richard Henderson <rth@redhat.com>
1226 * dbxout.c: Include expr.h.
1227 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1228 (dbxout_symbol): Handle DECL_VALUE_EXPR.
1229 * Makefile.in (dbxout.o): Add EXPR_H.
1231 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
1233 PR tree-optimization/23509
1234 * tree-cfg.c (replace_uses_by): Use replace_exp.
1235 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1236 pointers have name_mem_tag or type_mem_tag set.
1238 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1240 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1241 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1242 of wrongly accessing operands.
1244 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1246 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1247 * tree-chrec.c: Include tree-scalar-evolution.h.
1248 (chrec_convert): Instantiate the base and step before calling
1249 scev_probably_wraps_p that would fail on parametric evolutions.
1250 Collect all the fails into a single section failed_to_convert,
1251 print a diagnostic, and return chrec_dont_know instead of calling
1253 * tree-scalar-evolution.c (loop_closed_phi_def): New.
1254 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1256 (scev_const_prop): Don't replace the definition of a loop closed ssa
1257 phi node by itself, or by another loop closed ssa phi node.
1258 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1259 that base and step are defined.
1261 2005-09-09 Richard Guenther <rguenther@suse.de>
1264 * fold-const.c (fold_ternary): Check truth_value_p before
1265 calling invert_truthvalue.
1267 2005-09-09 Nick Clifton <nickc@redhat.com>
1269 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1270 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1271 dimension of these arrays.
1272 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1274 * longlong.h: Only provide a prototype for the __clz_tab[] array
1275 if this header has not been included from libgcc2.h.
1276 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1278 Provide prototypes for exported functions.
1279 Use the __clz_tab[] and __popcount_tab[] arrays provided by
1282 2005-09-08 Josh Conner <jconner@apple.com>
1286 * expr.c (expand_expr_addr_expr_1): Don't invoke
1287 expand_simple_binop for EXPAND_INITIALIZER.
1289 2005-09-08 Richard Henderson <rth@redhat.com>
1292 * toplev.c (wrapup_global_declaration_1): Split out ...
1293 (wrapup_global_declaration_2): ... from ...
1294 (wrapup_global_declarations): ... here. Return bool.
1295 (check_global_declaration_1): Split out ...
1296 (check_global_declarations): from here.
1297 (emit_debug_global_declarations): New.
1298 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1299 check_global_declaration_1, emit_debug_global_declarations): Declare.
1300 * c-decl.c (c_write_global_declarations_1): Don't create a vector
1301 of decls. Call wrapup_global_declaration_1,
1302 wrapup_global_declaration_2, check_global_declaration_1 directly.
1303 (c_write_global_declarations_2): New.
1305 (c_write_global_declarations): Call c_write_global_declarations_2.
1306 * langhooks.c (write_global_declarations): Call
1307 emit_debug_global_declarations.
1309 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
1310 remove decls that have DECL_RTL_SET_P.
1311 * passes.c (rest_of_decl_compilation): Invoke
1312 cgraph_varpool_finalize_decl for all but functions.
1314 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1316 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
1317 the result of a conversion if the new min and max cannot be compared.
1319 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
1321 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
1322 (override_options): Setting s390_sr_alias_set removed.
1323 (save_fpr, save_gprs): Set alias set to vararg or frame.
1324 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
1325 s390_sr_alias_set with get_frame_alias_set ().
1326 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
1327 get_varargs_alias_set ().
1329 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1333 * c-parser.c (c_parser_objc_method_definition): If the next
1334 token is not "{", error out and don't start the function.
1336 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1338 * tree-vrp.c (extract_range_from_expr): Move the check for non
1339 nullness after the check for gimple invariant.
1341 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1343 * tree.c (host_integerp, tree_low_cst): Correct function comment.
1345 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1348 * config/m32r.md (movmemsi_internal): Canonicalize order of
1349 operands in PLUS component of template.
1351 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
1353 * reload1.c (fixup_eh_region_note): Remove assertion.
1354 (fixup_abnormal_edges): Reverted removal of call to
1355 find_many_sub_basic_blocks made on 2005-08-31.
1357 2005-09-07 Richard Henderson <rth@redhat.com>
1359 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
1360 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
1361 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
1362 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
1363 rearrange for better packing.
1364 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
1365 (lookup_cfa_1): Remove inline marker.
1366 (cfa_equal_p): Split out of ...
1367 (def_cfa_1): ... here. Use INVALID_REGNUM.
1368 (build_cfa_loc): Handle !cfa->indirect.
1369 (frame_pointer_cfa_offset): New.
1370 (dbx_reg_number): Assert register elimination performed; do
1371 leaf register remapping.
1372 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
1373 (eliminate_reg_to_offset): New.
1374 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
1375 for verifiably local stack frame addresses; re-base to CFA.
1376 (mem_loc_descriptor): Remove can_use_fbreg argument.
1377 (concat_loc_descriptor, loc_descriptor): Likewise.
1378 (containing_function_has_frame_base): Remove.
1379 (rtl_for_decl_location): Don't do register elimination or
1380 leaf register remapping here.
1381 (secname_for_decl): Split out from ..
1382 (add_location_or_const_value_attribute): ... here.
1383 (convert_cfa_to_loc_list): New.
1384 (compute_frame_pointer_to_cfa_displacement): New.
1385 (gen_subprogram_die): Use them.
1386 * tree.h (frame_base_decl): Remove.
1387 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
1388 (prologue_stack_adjust): Remove.
1389 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
1390 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
1391 (set_frame_base_location): Remove.
1392 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
1393 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
1394 (vt_add_function_parameters): Don't eliminate_regs.
1395 (vt_initialize): Don't create frame_base_decl.
1397 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1399 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
1400 version of GNU binutils for 4.x and later.
1402 2005-09-06 Mark Mitchell <mark@codesourcery.com>
1404 * ggc-page.c (ggc_push_context): Remove.
1405 (ggc_pop_context): Likewise.
1406 * ggc.h (ggc_push_context): Remove.
1407 (ggc_pop_context): Likewise.
1409 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1412 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
1413 returning from an interrupt handler.
1415 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1418 * config/arc/arc.c (output_shift): Add check for loop count when
1421 2005-09-06 Steven Bosscher <stevenb@suse.de>
1423 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
1425 (abs_replacement): Likewise.
1426 (pass_phiopt): Remove TODO_update_ssa.
1428 2005-09-06 Jakub Jelinek <jakub@redhat.com>
1431 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
1432 if "return with no value, in function returning non-void" warning
1434 * tree-cfg.c (execute_warn_function_return): Don't look at
1435 RETURN_EXPRs with TREE_NO_WARNING set.
1438 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
1439 for internal functions doesn't use registers used by global registers
1440 variables. Use fewer register parameters if there are global register
1443 2005-09-06 Olivier Hainque <hainque@adacore.com>
1444 Eric Botcazou <ebotcazou@adacore.com>
1447 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
1448 when we would be extracting outside its bit span (bitpos+bitsize
1449 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
1450 Ada unchecked conversions.
1452 2005-09-06 Steven Bosscher <stevenb@suse.de>
1454 * tree-ssa-pre.c (try_look_through_load): New function.
1455 (compute_avail): Use it to try to look through loads for some
1456 more useful expressions.
1458 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1460 * simplify-rtx.c (simplify_binary_operation_1): Correct the
1461 condition for detecting cases like (a&a) and (a^a).
1463 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
1465 * common.opt: Add option ftree-vect-loop-version.
1466 * params.def: Add --param vect-max-version-checks.
1467 * doc/invoke.texi: Document ftree-vect-loop-version and
1468 --param vect-max-version-checks.
1469 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
1470 may_misalign_stmts and defines for accessors.
1471 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
1472 LOOP_VINFO_MAY_MISALIGN_STMTS.
1473 (destroy_loop_vec_info): VEC_free for
1474 LOOP_VINFO_MAY_MISALIGN_STMTS.
1475 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1476 Update documentation.
1477 (vect_update_misalignment_for_peel): New.
1478 (vect_enhance_data_refs_alignment): Update to choose loop
1479 peeling or loop versioning if appropriate for the (potentially)
1480 unaligned data references in the loop.
1481 (vect_analyze_data_refs_alignment): Remove call to
1482 vect_enhance_data_refs_alignment so the checks can be done
1484 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
1485 and move up call to vect_analyze_data_refs_alignment.
1486 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
1487 (vect_transform_loop): Add call to loop_version.
1489 2005-09-06 Jakub Jelinek <jakub@redhat.com>
1491 PR rtl-optimization/23098
1492 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
1493 * simplify-rtx.c (constant_pool_reference_p): New function.
1494 * rtl.h (constant_pool_reference_p): New prototype.
1495 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
1496 constant_pool_reference_p in condition and
1497 avoid_constant_pool_reference in preparation statements.
1499 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
1501 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
1502 STRICT_LOW_PART SETs.
1504 2005-09-06 Alan Modra <amodra@bigpond.net.au>
1507 * except.c (sjlj_emit_function_enter): Find the function begin
1508 note even when it's not in first basic block.
1510 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
1512 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
1513 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
1514 * aclocal.m4: Regenerate.
1516 2005-09-05 DJ Delorie <dj@redhat.com>
1518 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
1521 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
1523 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
1524 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
1525 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
1526 Follow spelling conventions.
1527 * doc/invoke.texi: Follow spelling conventions.
1529 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
1531 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
1532 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
1533 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
1535 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
1538 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
1539 (output_stack_adjust): Use gen_tmp_stack_mem.
1540 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
1541 (sh_set_return_address, sh_allocate_initial_value): Likewise.
1542 (sh_get_pr_initial_val): Likewise.
1543 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
1544 (sh_initialize_trampoline): Likewise. Also use adjust_address.
1545 * sh.md (divsi_inv_m0): Use gen_const_mem.
1546 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
1547 (movdf_i4+1): Use gen_tmp_stack_mem.
1548 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
1549 (fpu_switch+2): Likewise.
1550 (movv4sf_i, movv16sf_i): Use adjust_address.
1551 (symGOT_load): Set MEM_NOTRAP_P bit.
1553 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1556 * pa.c (emit_move_sequence): Fix typo in last change.
1558 2005-09-03 Jakub Jelinek <jakub@redhat.com>
1560 PR rtl-optimization/23454
1561 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
1564 2005-09-03 Richard Henderson <rth@redhat.com>
1565 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1568 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
1571 2005-09-02 Nicolas Pitre <nico@cam.org>
1573 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
1574 to bit_count to 32 bits.
1576 2005-08-31 Mark Mitchell <mark@codesourcery.com>
1579 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
1580 generating synthetic loads from volatile lvalues.
1582 005-09-02 Nick Clifton <nickc@redhat.com>
1584 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
1585 __ctzhi2, __clzhi2): New functions.
1587 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
1590 * tree-nested.c (struct var_map_elt): Mark with GTY.
1591 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
1593 (lookup_field_for_decl): Allocate new element in GC memory.
1594 (lookup_tramp_for_decl): Likewise.
1595 (convert_nl_goto_reference): Likewise
1596 (create_nesting_tree): Allocate info in GC memory. Likewise for
1598 (free_nesting_tree): Free with ggc_free instead of free.
1599 (root): New static variable.
1600 (lower_nested_functions): Remove root as local variable. And zero out
1601 root at the end of the function.
1603 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
1605 PR rtl-optimization/20365
1606 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
1607 to short. New member ix.
1608 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
1609 (simplify_plus_minus): Initialize ix members before calling qsort.
1611 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
1613 PR tree-optimization/23626
1614 * tree-cfg.c (replace_uses_by): Clean up eh info.
1616 2005-09-01 DJ Delorie <dj@redhat.com>
1618 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
1621 2005-09-01 David Edelsohn <edelsohn@gnu.org>
1623 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
1624 (rs6000_split_multireg_move): Use replace_equiv_address instead of
1627 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
1629 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
1630 do not issue warning for a variable definition following
1633 2005-09-01 Richard Henderson <rth@redhat.com>
1636 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
1637 conversion to CONST_VECTOR.
1639 2005-09-01 Richard Henderson <rth@redhat.com>
1642 * reload1.c (reload_as_needed): Check !CALL_P before calling
1643 fixup_eh_region_note.
1644 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
1646 2005-09-01 DJ Delorie <dj@redhat.com>
1648 * varasm.c (output_constant): Let the target resolve
1649 conversions of addresses to non-default pointer sizes.
1651 2005-09-01 Nicolas Pitre <nico@cam.org>
1653 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
1654 to alow matching ARM pre-indexed addressing mode.
1655 (arm_override_options): Remove now irrelevant comment.
1657 2005-09-01 Phil Edwards <phil@codesourcery.com>
1659 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
1660 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
1661 * config/i386/vxworks.h: Likewise.
1662 * config/i386/t-vxworksae: New file, for VxWorks AE.
1663 * config/i386/vxworksae.h: Likewise.
1665 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
1667 PR tree-optimization/23410
1668 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
1669 sequence is not wrapping during the first step.
1671 2005-09-01 Jakub Jelinek <jakub@redhat.com>
1674 * dwarf2out.c (base_type_die): Compare char_type_node with
1675 TYPE_MAIN_VARIANT (type), not type.
1677 2005-09-01 Richard Guenther <rguenther@suse.de>
1679 PR tree-optimization/15366
1680 * common.opt: Add -finline-functions-called-once.
1681 Put -fearly-inlining in alphabetically ordered place.
1682 * doc/invoke.texi: Document new option.
1683 * ipa-inline.c (cgraph_decide_inlining): Honour
1684 flag_inline_functions_called_once.
1686 2005-09-01 Jakub Jelinek <jakub@redhat.com>
1688 PR rtl-optimization/23478
1689 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
1690 (alloc_qty): Initialize it.
1691 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
1692 (combine_regs): Combine also n_throwing_calls_crossed fields.
1693 (find_free_reg): Don't attempt to caller-save pseudos crossing
1694 calls that might throw.
1695 * global.c (struct allocno): Add throwing_calls_crossed field.
1696 (global_alloc): Revert 2005-08-22 change. Initialize
1697 throwing_calls_crossed.
1698 (find_reg): Don't attempt to caller-save pseudos crossing calls that
1701 2005-09-01 Alan Modra <amodra@bigpond.net.au>
1704 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
1705 (mask64_operand): Reinstate code prior to 2005-06-11 change.
1706 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
1707 (and64_2_operand): Tweak to use predicate.
1708 (and_operand): Adjust for mask_operand changes.
1709 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
1710 (print_operand): Likewise.
1711 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
1712 (mask64_1or2_operand): Delete.
1713 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
1714 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
1715 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
1716 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1717 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1718 (rotldi3_internal4): Likewise.
1719 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1720 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1721 (ashldi3_internal7): Likewise.
1722 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1723 (ashldi3_internal, ashldi3_internal9 split): Likewise.
1724 (anddi3 split): Don't match mask64_operand.
1725 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
1726 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
1727 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
1728 't' splitter predicate.
1729 (movdi_internal64 + 2): Revert 2005-06-11 change.
1731 2005-08-31 DJ Delorie <dj@redhat.com>
1733 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1734 (m32c_asm_integer): Add support for 32 bit pointers.
1736 2005-08-31 Richard Henderson <rth@redhat.com>
1738 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1739 component-like references for setting MEM_NOTRAP_P.
1741 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1742 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1744 2005-08-31 Richard Henderson <rth@redhat.com>
1746 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1747 into a pseudo before applying gen_lowpart.
1749 2005-08-31 Geoffrey Keating <geoffk@apple.com>
1751 * doc/install.texi (Specific): Update cctools version required
1752 for full functionality.
1753 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1754 linkers as -macosx_version_min.
1756 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
1759 * sh.c (print_operand, %R and %S): Add handling of floating point
1760 registers, memory, constants and invalid operands.
1762 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
1764 * ipa-pure-const.c: Change dump name.
1766 2005-08-31 Uros Bizjak <uros@kss-loka.si>
1769 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1770 to "reg_or_0_operand".
1771 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1773 2005-08-31 Dale Johannesen <dalej@apple.com>
1775 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
1776 loops that count down.
1778 2005-08-31 Richard Henderson <rth@redhat.com>
1781 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1782 (fixup_eh_region_note): New.
1783 (reload_as_needed): Call it.
1784 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1785 don't call find_many_sub_basic_blocks; call verify_flow_info.
1786 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1787 (keep_stack_depressed): Likewise.
1788 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1790 2005-08-31 Richard Henderson <rth@redhat.com>
1792 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1795 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
1797 * expr.c (expand_expr_real_1): Compare size of address
1798 mode to target's address mode size in deciding expansion of
1799 the constant address.
1801 2005-08-31 Richard Guenther <rguenther@suse.de>
1804 * expr.c (all_zeros_p): New function.
1805 (expand_expr_real_1): Handle the case of an all-zero
1806 non-addressable constructor separately.
1808 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
1810 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
1811 arguments, adjust all callers.
1812 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
1814 2005-08-30 Richard Henderson <rth@redhat.com>
1817 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
1818 whenever the mode sizes match.
1820 2005-08-31 Alan Modra <amodra@bigpond.net.au>
1822 * calls.c (load_register_parameters): Fix comment typo.
1823 * expr.c (emit_push_insn): Comment formatting.
1825 2005-08-30 Ian Lance Taylor <ian@airs.com>
1827 * config/i386/x-cygwin (host-cygwin): Change dependency from
1828 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
1830 2005-08-29 Geoffrey Keating <geoffk@apple.com>
1832 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
1835 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1838 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
1839 call to ggc_collect.
1841 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
1844 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
1845 beginning. Remove $(INCLUDES) from all the rules, if following
1846 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
1848 2005-08-29 Jakub Jelinek <jakub@redhat.com>
1851 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1852 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1853 not constant, but maxlen is, don't set len to maxlen, rather
1854 set maxlen to len if len is a constant.
1856 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
1858 PR tree-optimization/23475
1859 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1862 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
1864 Fix PR middle-end/22455
1866 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1867 Checksum only the parts of the tree that exist for the tree code.
1869 2005-08-28 Dale Johannesen <dalej@apple.com>
1871 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
1873 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
1875 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1877 2005-08-28 Richard Henderson <rth@redhat.com>
1879 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1880 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1883 2005-08-28 Jakub Jelinek <jakub@redhat.com>
1886 * builtins.c (get_memory_rtx): Don't strip nops
1887 in between COMPONENT_REFs.
1889 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
1892 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1894 (gimplify_modify_expr): Check for zero sized types and gimplify the
1895 rhs and lhs as statements.
1897 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
1900 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1901 state for return address column of signal frames.
1903 2005-08-27 David Edelsohn <edelsohn@gnu.org>
1906 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1907 bytes >= 2 not bytes == 2.
1908 (expand_block_move): Same.
1910 2005-08-27 Richard Guenther <rguenther@suse.de>
1913 * config/i386/sse.md (sse2_movsd): Add missing closing
1916 2005-08-27 Paul Brook <paul@codesourcery.com>
1918 * genrecog.c (enum decision_type): Add DT_num_insns.
1919 (struct decision_test): Add u.num_insns.
1920 (add_to_sequence): Add DT_num_insns test.
1921 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1922 (write_cond, debug_decision_2): Ditto.
1923 (change_state): Assume peep2_next_insn never fails.
1924 Remove "afterward" argument.
1925 (write afterward, write_tree): Update to match.
1926 * recog.c (peep2_current_count): New variable.
1927 (peep2_next_insn): Check it.
1928 (peephole2_optimize): Set peep2_current_count.
1929 * recog.h (peep2_current_count): Declare.
1931 2005-08-26 Josh Conner <jconner@apple.com>
1934 * ipa-pure-const.c (check_tree): Check for volatile-ness
1935 when considering a dereference.
1937 2005-08-27 Jakub Jelinek <jakub@redhat.com>
1939 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1941 2005-08-26 Jakub Jelinek <jakub@redhat.com>
1943 PR rtl-optimization/23561
1944 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
1945 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
1946 at most LEN bytes long memory fits into the field.
1947 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
1948 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
1949 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
1951 2005-08-26 Richard Henderson <rth@redhat.com>
1954 * loop.c (biased_biv_may_wrap_p): New.
1955 (maybe_eliminate_biv_1): Use it to suppress non-equality
1956 comparison transformations. Delete disabled code.
1958 2005-08-26 Ian Lance Taylor <ian@airs.com>
1960 * combine.c (make_extraction): Avoid reference outside object.
1962 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
1964 * stor-layout.c (finalize_type_size): Restore behaviour for
1965 non-aggregate types to the status quo ante of the patch for
1966 pr 23467. Document why it matters.
1968 2005-08-26 Jakub Jelinek <jakub@redhat.com>
1971 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
1972 array by one element, initialize the BT_LAST element with NULL.
1974 2005-08-26 David Edelsohn <edelsohn@gnu.org>
1976 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
1977 optimizing for size.
1979 (compare_plus_eqsi): Same.
1980 (plus_eqsi_compare): Same.
1981 (neg_eq0<mode>): Same.
1982 (neg_eq<mode>): Same.
1984 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
1987 2005-08-26 Nick Clifton <nickc@redhat.com>
1989 * config/v850/v850.c (ep_memory_operand): Return FALSE if
1990 TARGET_EP is not defined.
1991 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
1992 TARGET_EP is enabled.
1993 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
1994 * config/v850/v850.md (save_all_interrupt): Only use the EP
1995 register if TARGET_EP is defined.
1996 (restore_all_interrupt): Likewise.
1997 * config/v850/lib1funcs.asm: Update functions so that the EP
1998 register is only used if __EP__ is defined.
2000 2005-08-26 David Ung <davidu@mips.com>
2002 * config/mips/mips.c (mips_expand_prologue): Handle case when
2003 generating for MIPS16 and the outgoing argument area is more than
2004 SMALL_OPERAND. Use the frame pointer as temporary to generate the
2007 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
2009 * config/crx/crx.md: Make doloop_end pattern usage controllable
2010 via mloop-nesting=<max-nesting> command line switch. Make sure
2011 the combiner cannot use doloop_end_<mode> in an illegal way.
2012 * config/crx/crx.c: Use regs up to r6 for argument passing.
2013 Refine crx_address_cost (non cst4 displacements are expensive).
2014 * config/crx/crx.opt: Add switch for mloop-nesting=.
2016 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
2018 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2019 (UNSPEC_MVST): New constant.
2021 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
2023 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2024 Reject operands containing eliminable registers.
2025 * testsuite/gcc.dg/20050825-1.c: New testcase.
2027 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2028 Jan Hubicka <jh@suse.cz>
2030 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2032 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2034 PR tree-optimization/23546
2035 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2038 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
2040 * params.def (PARAM_MIN_SPEC_PROB): New.
2041 * sched-rgn.c (MIN_PROBABILITY): Delete.
2042 (compute_trg_info): Convert to PARAM_VALUE.
2043 * doc/invoke.texi (param): Document min-spec-prob.
2045 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
2047 * config/darwin.h: define __PIC__
2048 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2049 TARGET_OS_CPP_BUILTINS macro.
2051 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2053 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2056 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2058 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2060 * cfghooks.c (duplicate_block): Added position where to place
2061 new block as argument.
2062 * cfghooks.h (duplicate_block): Declaration changed.
2063 * cfglayout.c (copy_bbs): Add argument after. Pass it to
2065 * cfglayout.h (copy_bbs): Declaration changed.
2066 * cfgloop.h (loop_version): Declaration changed.
2067 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2068 position to copy_bbs.
2069 (loop_version): Pass position to duplicate_loop_to_header_edge.
2070 Add place_after argument and position new blocks according to
2072 * modulo-sched.c (sms_schedule): Pass place_after argument
2074 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2075 * tree-cfg.c (split_edge_bb_loc): New function.
2076 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2077 to determine position of new blocks.
2078 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2080 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2081 argument to duplicate_block.
2082 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2083 Pass position to copy_bbs.
2085 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2087 * fold-const.c (ptr_difference_const): Use
2088 cst_and_fits_in_hwi instead of host_integerp.
2090 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2092 * config/darwin.c (gen_pic_offset): New.
2093 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
2096 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
2098 PR tree-optimization/23486
2099 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2101 2005-08-23 Phil Edwards <phil@codesourcery.com>
2103 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
2104 remove use_collect2.
2105 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
2107 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
2108 configuration files to override the default value.
2110 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
2111 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2112 * config/vx-common.h: New file, split out from...
2113 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
2114 * config/vxworksae.h: New file, for VxWorks AE.
2115 * config/vxworks.opt: New file.
2116 * config/vxlib.c: Update for VxWorks 6.
2118 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
2119 other MULTILIB_* variables appropriately.
2120 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
2121 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
2122 * config/rs6000/vxworks.h: Update for VxWorks 6.
2123 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
2125 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
2128 * config/darwin.c (machopic_select_section): Remove the hack to
2129 mark "::operator new" and "::operator delete" for coalescing
2130 even though they are not weak.
2132 2005-08-24 Alan Modra <amodra@bigpond.net.au>
2134 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2135 * configure: Regenerate.
2137 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2140 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2142 * convert.c (convert_to_integer, convert_to_vector): Likewise.
2143 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2146 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2148 * config/rs6000/predicates.md (equality_operator): New.
2149 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2150 comparison with a large constant.
2152 2005-08-23 Mark Mitchell <mark@codesourcery.com>
2154 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2156 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
2158 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2159 registers is even, and we have a hardware double precision fp,
2161 (sh_gimplify_va_arg_expr): For floating point arguments, consider
2162 size of current argument when checking if argument was passed in
2165 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2168 * stor-layout.c (finalize_type_size): Dont override
2169 existing alignment with a smaller alignment from the mode.
2171 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2173 * lambda-code.c (lambda_vector_lexico_pos): Moved...
2174 * lambda.h (lambda_vector_lexico_pos): ... here.
2175 * tree-data-ref.c (build_classic_dist_vector): Return false when
2176 the distance vector is lexicographically negative.
2178 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2180 PR tree-optimization/23511
2181 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2182 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2184 2005-08-23 Jakub Jelinek <jakub@redhat.com>
2186 PR tree-optimization/22043
2187 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2188 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2189 If ALLOW_FLEXARR, handle types ending with flexible array member.
2190 Pass false as second argument to recursive count_type_elements calls.
2191 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2192 argument to count_type_elements call.
2193 * tree-sra.c (decide_block_copy): Likewise.
2194 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2195 for a constant-sized object, set cleared as well. Pass true as
2196 second argument to count_type_elements call.
2198 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2201 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2202 from legitimate_small_data_p, and make global. Update use.
2203 Remove forward declaration.
2204 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2206 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2208 2005-08-23 David Edelsohn <edelsohn@gnu.org>
2210 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2211 of scratch intermediates.
2212 (eq<mode>_compare): Same.
2213 (neg_eq0<mode>): New.
2214 (neg_eq<mode>): Convert to define_insn_and_split.
2216 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2219 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2220 stdarg functions, set/clear the fp marker even when no variable
2222 * config/rs6000/sysv4.opt (mprototype): Describe.
2224 2005-08-22 Jakub Jelinek <jakub@redhat.com>
2226 PR rtl-optimization/23478
2227 * regs.h (reg_info): Add throw_calls_crossed.
2228 (REG_N_THROWING_CALLS_CROSSED): Define.
2229 * flow.c (allocate_reg_life_data): Initialize
2230 REG_N_THROWING_CALLS_CROSSED.
2231 (propagate_one_insn, attempt_auto_inc): Update
2232 REG_N_THROWING_CALLS_CROSSED.
2233 * global.c (global_alloc): Don't allocate pseudos across
2234 calls that may throw.
2236 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
2239 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2240 value is inbetween the range if we did not find an exact match.
2242 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
2244 * doc/invoke.texi (Option Summary): Add ms1 options.
2245 * doc/extend.texi: Document interrupt handler attribute for ms1.
2246 * doc/md.texi: Document ms1 constraints.
2247 * config.gcc: Add ms1-*-elf.
2248 * config/ms1/ms1.h: New.
2249 * config/ms1/ms1.c: New.
2250 * config/ms1/ms1.md: New.
2251 * config/ms1/ms1-protos.h: New.
2252 * config/ms1/ABI.txt: New.
2253 * config/ms1/crti.asm: New.
2254 * config/ms1/crtn.asm: New.
2255 * config/ms1/lib2extra-funcs.c: New.
2256 * config/ms1/t-ms1: New.
2257 * config/ms1/ms1.opt: New.
2259 2005-08-22 Ira Rosen <irar@il.ibm.com>
2261 * config/rs6000/altivec.md (xorv4sf3): New.
2262 (negv4sf2, neg<mode>2): Likewise.
2264 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
2267 * config/ia64/ia64.md (divsi3): Check divide by zero.
2268 (udivsi3): Likewise.
2270 (udivdi3): Likewise.
2272 2005-08-21 Jakub Jelinek <jakub@redhat.com>
2274 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2275 up to elem_bitsize bits, not max_bitsize.
2277 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2279 PR tree-optimization/23433
2280 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2281 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2283 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2285 PR tree-optimization/23434
2286 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2287 the iteration bound is not an INTEGER_CST.
2289 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
2291 * tree-vect-transform.c (get_initial_def_for_reduction): Set
2292 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2293 NULL if need_epilog_adjust is false.
2294 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2295 Case 3 always peels first itration, not just for PLUS case, and no need
2296 to use scalar_initial_def here. Create an epilog adjustment only if
2297 scalar_initial_def is not NULL.
2299 (vectorizable_reduction): Remove assert.
2301 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
2304 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
2305 (__moddi3): Likewise.
2306 (__udivdi3): Likewise.
2307 (__umoddi3): Likewise.
2308 (__divsi3): Likewise.
2309 (__modsi3): Likewise.
2310 (__udivsi3): Likewise.
2311 (__umodsi3): Likewise.
2313 2005-08-20 Jakub Jelinek <jakub@redhat.com>
2315 * tree-pass.h (TDF_GRAPH): Define.
2316 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
2317 * passes.c (finish_optimization_passes): Only call
2318 finish_graph_dump_file if TDF_GRAPH is set.
2319 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
2320 NULL. Set TDF_GRAPH bit.
2321 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
2323 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
2325 * arm.h (arm_stack_offsets): Add locals_base field.
2326 * arm.c (arm_get_frame_offsets): Compute it.
2327 (thumb_compute_initial_elimination offset): Make the Thumb frame
2328 pointer point to the base of the local variables.
2329 (thumb_expand_prologue): Update accordingly.
2330 (thumb_expand_epilogue): Likewise.
2332 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
2333 mode of clobbered scratch to DImode. Handle a case that's known to
2336 2005-08-19 David Edelsohn <edelsohn@gnu.org>
2338 * config/rs6000/rs6000.md (gt0<mode>): Delete.
2339 (gt0<mode>_compare): Delete.
2340 (neg_gt0<mode>): Delete.
2342 2005-08-19 Eric Christopher <echristo@apple.com>
2344 * optabs.h: Change CTI_ to COI_.
2347 2005-08-19 James E Wilson <wilson@specifix.com>
2349 * builtins.c (expand_builtin_return_addr): Set
2350 current_function_accesses_prior_frames when count != 0. Use
2351 frame_pointer_rtx when count == 0.
2352 * function.h (struct function): Add accesses_prior_frames field.
2353 (current_function_accesses_prior_frames): Define.
2354 * reload1.c (init_elim_table): Check
2355 current_function_accesses_prior_frames.
2356 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
2358 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2360 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
2361 indicator. Return true if the flowgraph changed during
2364 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2367 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
2368 conditional expression before testing its value.
2370 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2372 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
2374 2005-08-19 Devang Patel <dpatel@apple.com>
2376 PR tree-optimization/23048
2377 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
2378 third parameter. Check whether latch is dominated by exit
2380 (if_convertible_loop_p): Supply exit block itself to
2381 if_convertible_bb_p.
2383 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2386 * arm.md (arm_load_pic_register): Change argument to the mask of
2387 saved registers. Call thumb_find_work_register if we need a
2388 scratch register on Thumb.
2389 (arm_expand_prologue): Pass empty register set to
2390 arm_load_pic_register.
2391 (thumb_expand_prologue): Pass live_regs_mask directly to
2392 arm_load_pic_register.
2393 * arm-protos.h (arm_load_pic_register): Update prototype.
2395 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
2397 * sh.c (find_sole_member): New function.
2398 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
2399 if the record's alignment is larger than the size of its only member.
2401 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2404 * arm.c (thumb_legitimize_reload_address): New function.
2405 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
2406 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
2408 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
2410 * config/crx/crx.c: Implement crx_decompose_address. Reject
2411 symbolic displacements since CRX register relative adressing
2412 mode can't handle unsigned 32-bit values as displacements.
2413 * config/crx/crx.h: Simplify definitions, remove redundant
2414 parenthesis and obsolete macros.
2415 * config/crx/crx.opt: Add new switch for debugging addresses.
2416 * config/crx/crx-protos.h: Add new declarations for above.
2418 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
2421 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
2424 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2426 * collect2.c (dup2): Delete.
2427 * configure.ac: Don't check for dup2.
2429 * config.in, configure: Regenerate.
2431 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
2433 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
2434 record with the type of its only member.
2436 2005-08-18 David Edelsohn <edelsohn@gnu.org>
2438 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
2439 define_insn_and_split.
2440 (plus_ltu<mode>_compare): Same.
2441 (gtu<mode>_compare): Same.
2442 (plus_gtu<mode>_compare): Same.
2444 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
2446 PR tree-optimization/22228
2447 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
2449 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
2450 are recorded in vect_vnames_to_rename for renaming.
2451 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
2452 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
2453 in vect_vnames_to_rename.
2454 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
2455 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
2457 2005-08-18 Jan Hubicka <jh@suse.cz>
2460 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
2461 info only for local statics, not for member variables.
2463 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2465 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
2467 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2469 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
2471 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
2474 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
2476 2005-08-17 James E Wilson <wilson@specifix.com>
2478 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2481 2005-08-17 David Edelsohn <edelsohn@gnu.org>
2483 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
2484 (leu<mode>_compare): Same.
2485 (plus_leu<mode>): Same.
2486 (neg_leu<mode>): Same.
2487 (and_neg_leu<mode): Same.
2488 (ltu<mode>_compare): Same.
2489 (plus_ltu<mode>): Same.
2491 (geu<mode>_compare): Same.
2492 (plus_geu<mode>): Same.
2493 (neg_geu<mode>): Same.
2494 (and_neg_geu<mode>): Same.
2495 (plus_gt<mode>): Same.
2496 (gtu<mode>_compare): Same.
2497 (plus_gtu<mode>): Same.
2499 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
2501 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
2502 Move call_table_data to end. Delete spurious .text.
2503 (callt_save_all_interrupt): Fix comment typo.
2505 2005-08-17 James E Wilson <wilson@specifix.com>
2506 Kevin Winchester <winchester@amirix.com>
2509 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
2511 2005-08-17 Uros Bizjak <uros@kss-loka.si>
2514 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
2515 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
2517 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
2519 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
2520 record with the type of its only member if the modes don't match.
2522 * varasm.c (decode_reg_name): Skip empty additional register names.
2524 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2526 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
2527 lsm_tmp_name_length): New.
2528 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
2529 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
2531 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2532 Andreas Krebbel <krebbel1@de.ibm.com>
2534 * config.gcc: Added z9-109 switch.
2535 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
2536 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
2537 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
2538 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
2539 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
2540 for "z9_109" cpu attribute.
2541 * config/s390/s390.c (z9_109_cost): New processor cost structure.
2542 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
2543 (s390_handle_arch_option): Added z9-109 switch.
2544 (override_options): Set respective cost function for z9-109.
2545 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
2546 (legitimate_reload_constant_p): Accept extended immediates.
2547 (print_operand): Three new output modifiers added: k, m and o.
2548 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
2549 (s390_output_mi_thunk): Use extended immediate when possible.
2550 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
2551 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
2552 (CONSTRAINT_LEN): Added length of O constraint.
2553 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
2554 * config/s390/s390.md ("cpu"): New value z9_109 added.
2555 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
2556 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
2557 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
2558 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
2559 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
2560 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
2561 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
2562 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
2563 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
2564 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2565 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
2566 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
2567 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
2568 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
2569 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
2571 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
2572 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
2573 insns for TARGET_EXTIMM.
2575 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
2577 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
2579 2005-08-17 Nick Clifton <nickc@redhat.com>
2581 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
2582 Call default_encode_section_info.
2584 2005-08-17 Steven Bosscher <stevenb@suse.de>
2586 PR tree-optimization/21574
2587 * tree-ssa-ccp.c (likely_value): If the right hand side is a
2588 constant, return CONSTANT.
2589 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
2590 (ccp_fold, visit_assignment): Likewise.
2591 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
2593 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
2595 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
2596 fold_buildN instead of buildN then fold_initializer or fold.
2597 (build_unary_op): Likewise.
2598 (build_binary_op): Likewise.
2599 * fold-const.c (fold_initializer): Remove.
2600 (fold_build1_initializer): New function.
2601 (fold_build2_initializer): New function.
2602 (fold_build3_initializer): New function.
2603 * tree.h (fold_initializer): Remove.
2604 (fold_build1_initializer): New function.
2605 (fold_build2_initializer): New function.
2606 (fold_build3_initializer): New function.
2608 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
2610 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
2611 (try_move_mult_to_index): Call fold_build2 instead of build2.
2612 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
2613 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
2614 fold_binary_to_constant.
2615 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
2617 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
2618 check if A == gcd (A, B). Remove TYPE argument.
2619 (analyze_offset) Use fold_build2 instead of fold (build.
2620 (create_data_ref): Likewise.
2621 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
2622 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
2625 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
2627 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
2628 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
2630 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
2633 * gimplify.c (zero_sized_type): New function.
2634 (gimplify_modify_expr_rhs): If we have a zero sized type,
2635 replace the statement with an empty statement.
2637 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
2639 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
2642 2005-08-16 Ian Lance Taylor <ian@airs.com>
2644 * doc/tm.texi (Label Output): Correct typo.
2646 2005-08-16 Steven Bosscher <stevenb@suse.de>
2649 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
2650 force_operand will work later on using have_insn_for.
2652 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2654 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
2656 2005-08-16 Ian Lance Taylor <ian@airs.com>
2659 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
2660 vector type, don't try to construct it element by element. Add an
2661 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
2663 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2665 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
2667 2005-08-16 Geoffrey Keating <geoffk@apple.com>
2669 * doc/invoke.texi (Precompiled Headers): Document some more options
2670 which are known to be safe.
2672 2005-08-16 James E Wilson <wilson@specifix.com>
2674 PR tree-optimization/21105
2675 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2676 TREE_OVERFLOW check.
2678 2005-08-16 David Edelsohn <edelsohn@gnu.org>
2680 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
2681 (neg_ltu<mode>): Same.
2683 (neg_gtu<mode>): Same.
2685 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2687 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
2688 (fold_builtin_isdigit): Use fold_buildN.
2689 (build_function_call_expr): Likewise.
2690 * c-typeck.c (c_finish_loop): Likewise.
2692 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
2693 Richard Shann <rshann@superh.com>
2695 PR middle-end/20396:
2696 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
2698 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
2700 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
2702 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
2705 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
2706 arm_compure_save_reg0_reg12_mask to determine when the PIC register
2709 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2712 * fold-const.c (build_range_check): Disable optimization for function
2713 pointer expressions on targets that require function pointer
2716 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
2718 * simplify-rtx.c (simplify_const_relational_operation): When
2719 extracting arguments of a COMPARE, recompute the mode as well.
2721 2005-08-15 Ian Lance Taylor <ian@airs.com>
2723 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2725 2005-08-15 DJ Delorie <dj@redhat.com>
2727 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2729 (movsi_splittable): Allow, but split, moves to the stack.
2730 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2733 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2735 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2736 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2737 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
2739 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2740 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2741 Delete HOST_PTR_PRINTF.
2743 * configure, config.in: Regenerate.
2745 2005-08-15 David Edelsohn <edelsohn@gnu.org>
2747 * config/rs6000/rs6000.md (QHSI): New mode macro.
2748 (wd): Extend mode attr for QImode and HImode
2749 (dbits): New mode attr.
2750 (zero_extend<mode>di2): Convert to mode macro.
2752 2005-08-15 Steve Ellcey <sje@cup.hp.com>
2755 * doc/invoke.texi (-mgnu-ld): Update description.
2758 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2761 * Makefile.in (tree-chrec.o): Depends on real.h.
2762 * tree-chrec.c: Include real.h.
2763 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2764 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2765 * tree-scalar-evolution.c (add_to_evolution_1,
2766 interpret_rhs_modify_expr): Ditto.
2768 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2771 * tree-data-ref.c (estimate_niter_from_size_of_data): When
2772 step is negative compute the estimation from init downwards to zero.
2774 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
2776 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2778 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2780 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2782 (legitimate_reload_constant_p): Fix handling of lliXX operands.
2783 Accept double-word constants that can be split.
2784 * config/s390/s390.md ("movti"): Use 'P' constraint.
2785 ("*movdi_31", "*movdf_31"): Likewise.
2787 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
2789 Fix PR tree-optimization/22615
2791 * tree-ssa-structalias.c (solution_set_add): Handle
2792 first_vi_for_offset returning NULL.
2793 (do_da_constraint): Ditto.
2794 (do_sd_constraint): Ditto.
2795 (do_ds_constraint): Ditto
2796 (find_func_aliases): Ditto.
2797 (build_constraint_graph): RHS is allowed be ANYTHING.
2798 (first_vi_for_offset): Return NULL if we couldn't find anything at
2801 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2803 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
2804 over memory as first operand.
2806 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
2809 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
2810 available for setting it.
2812 2005-08-14 Ira Rosen <irar@il.ibm.com>
2814 PR tree-optimization/23320
2815 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
2816 data-refs' types instead of base object nullness. Add check for
2817 pointer type data-refs before first location comparison. Remove
2820 2005-08-14 Andreas Schwab <schwab@suse.de>
2822 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
2824 2005-08-13 James E Wilson <wilson@specifix.com>
2826 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
2827 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
2828 -fstack-protector-all, --param ssp-buffer-size): Document.
2829 (-Wvariadic-macros): Alphabetize.
2830 (-fsched-stalled-insns-dep): Add missing 'f'.
2832 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
2835 2005-08-13 David Edelsohn <edelsohn@gnu.org>
2837 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
2838 or indirect address operand.
2839 (EXTRA_ADDRESS_CONSTRAINT): New.
2840 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
2842 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
2844 PR tree-optimization/22236
2845 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
2846 successors and predecessors.
2847 * tree-chrec.c (chrec_convert): Before converting, check that
2848 sequences don't wrap.
2849 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
2850 (analyze_array): Extern.
2851 (find_data_references_in_loop): Remove call to
2852 compute_estimated_nb_iterations.
2853 * tree-data-ref.h (analyze_array): Declared.
2854 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2855 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2856 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
2857 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
2859 * tree-ssa-loop-ivcanon.c: Fix documentation.
2860 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2861 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2862 (infer_loop_bounds_from_undefined): New.
2863 (estimate_numbers_of_iterations_loop): Use
2864 infer_loop_bounds_from_undefined.
2865 (used_in_pointer_arithmetic_p): New.
2866 (scev_probably_wraps_p): Pass an extra parameter. Call
2867 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
2868 (convert_step): Fix documentation.
2869 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2870 Use initial_condition_in_loop_num and evolution_part_in_loop_num
2871 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
2872 scev_probably_wraps_p.
2874 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
2876 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2877 (s390_register_info): Ignore clobbered_regs information for fixed
2878 registers, and only fixed registers.
2879 (s390_init_frame_layout): Remove redundant call.
2881 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
2883 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2884 description of -Wold-style-casts.
2886 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2887 Jakub Jelinek <jakub@redhat.com>
2889 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2890 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2891 * config/s390/s390.c (print_operand): New output modifier 'G' added.
2892 (get_thread_pointer): Renamed to s390_get_thread_pointer.
2893 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2894 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2895 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2896 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2897 ("stack_protect_set", "stack_protect_test"): New expanders.
2898 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2899 "stack_protect_testdi"): New insn definitions.
2901 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2903 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2905 2005-08-12 Paul Brook <paul@codesourcery.com>
2907 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2909 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2911 * config/s390/predicates.md (setmem_operand): New predicate.
2912 (shift_count_operand): Accept ANDs with special constants as
2914 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2915 with special constants.
2916 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2917 shift_count_operand with setmem_operand.
2919 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2921 * config/s390/s390.c (s390_extract_part, s390_single_part):
2923 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2924 (s390_output_mi_thunk): Don't use lg on 31 bit.
2925 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2926 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2928 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2930 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2931 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2932 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2933 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2934 with one of the new macros.
2936 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2938 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
2939 Don't set save_return_addr_p.
2940 (s390_register_info): Make clobbered_regs not depending on
2943 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
2945 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
2946 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
2948 2005-08-11 James E. Wilson <wilson@specifix.com>
2950 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
2952 2005-08-11 Jakub Jelinek <jakub@redhat.com>
2954 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
2955 locations gathered by var-tracking in single entry loc_list
2956 over loc_descriptor_from_tree.
2958 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
2959 pass it down to loc_descriptor.
2960 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
2961 (containing_function_has_frame_base): Move earlier in the file.
2962 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
2963 instead of always assuming fbreg can't be used.
2965 2005-08-11 David Edelsohn <edelsohn@gnu.org>
2967 * config/rs6000/altivec.md: Change constraint "m" to "Z".
2968 * config/rs6000/predicates.md (indexed_or_indirect_operand):
2969 Accept address wrapped in AND for Altivec.
2970 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2971 Strip AND wrapping offset address for Altivec.
2973 2005-08-11 Richard Henderson <rth@redhat.com>
2976 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
2977 before using TYPE_IS_SIZETYPE.
2979 2005-08-11 Richard Henderson <rth@redhat.com>
2982 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
2983 insn types not present on ev4.
2984 (alphaev5_insn_pipe): Similarly.
2986 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
2989 * arm.c (arm_override_options): If the user has selected callee-super-
2990 interworking, then enable normal interworking.
2992 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2994 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
2997 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
2999 * doc/rtl.texi: Fix two typos.
3001 2005-08-11 Richard Guenther <rguenther@suse.de>
3004 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
3005 cases where we call to/from functions returning void.
3007 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
3010 * tree.c (build_pointer_type_for_mode): Robustify.
3012 2005-08-10 James E Wilson <wilson@specifix.com>
3014 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
3015 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
3017 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
3020 2005-08-10 Eric Christopher <echristo@apple.com>
3022 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
3023 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
3026 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
3029 * config/darwin.c (machopic_indirect_data_reference): Use a new register
3030 for the high part when generating dynamic-no-pic code.
3032 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
3034 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
3035 (x86_64-*-linux*): Likewise.
3037 * config/i386/crtfastmath.c: New file.
3038 * config/i386/t-crtfm: Likewise.
3040 * config/i386/linux.h (ENDFILE_SPEC): New.
3041 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
3043 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3046 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
3048 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
3049 (vec_shl, vec_shr): Document new operations.
3050 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
3052 2005-08-10 David Edelsohn <edelsohn@gnu.org>
3054 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
3055 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
3056 change predicate to indexed_or_indirect_address.
3058 2005-08-10 Richard Sandiford <richard@codesourcery.com>
3060 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
3061 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
3062 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
3063 and __aeabi_uwrite8.
3064 * config/arm/unaligned-funcs.c: New file.
3065 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
3067 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
3069 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
3071 * cfglayout.c (pass_insn_locators_initialize): Add dump.
3072 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
3074 * except.c (pass_convert_to_eh_region_ranges): Add dump.
3075 * final.c (pass_shorten_branches): Add dump.
3076 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
3077 (pass_life): Rename dump.
3078 (rest_of_handle_flow2): Remove initial verify_flow_info.
3079 * function.c (pass_instantiate_virtual_regs): Add dump.
3080 * integrate.c (pass_initial_value_sets): Add dump.
3081 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
3082 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
3083 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
3084 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
3085 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
3086 gate_rtl_unrool_and_peel_loops): New.
3087 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
3088 rtl_doloop): Do not look at flags.
3089 * mode-switching.c (pass_mode_switching): Add dump.
3090 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
3091 pass_split_before_regstack): Add dump.
3092 * regmove.c (pass_stack_adjustments): Add dump.
3093 * tree-optimize.c (pass_fixup_cfg): Add dump.
3095 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3098 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
3099 deciding which instruction sequence to use.
3101 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
3103 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
3104 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
3106 2005-08-09 Richard Guenther <rguenther@suse.de>
3108 * c-common.c (builtin_function_2): Remove.
3109 (def_builtin_1): New function.
3110 (c_common_nodes_and_builtins): Use def_builtin_1 to
3111 build builtin functions.
3113 2005-08-09 Jie Zhang <jie.zhang@analog.com>
3115 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
3116 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3117 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
3120 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3122 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
3123 fold_binary instead of fold_build2 since we don't care about the
3125 (loop_niter_by_eval): Likewise.
3126 (compare_trees): Likewise.
3127 (proved_non_wrapping_p): Likewise.
3129 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3133 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
3134 if the if is really empty.
3136 2005-08-09 Steven Bosscher <stevenb@suse.de>
3138 PR tree-optimization/23234
3139 * tree-ssa-math-opts.c (place_reciprocal): New enum.
3140 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
3141 argument of the new enum.
3142 (execute_cse_reciprocals): Add reciprocals for function arguments
3143 on the unique successor edge of the entry block. Update other calls
3144 to execute_cse_reciprocals_1.
3146 2005-08-08 Richard Henderson <rth@redhat.com>
3149 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3151 2005-08-08 Bob Wilson <bob.wilson@acm.org>
3153 * expr.c (write_complex_part): Return after handling MEM.
3155 2005-08-08 Josh Conner <jconner@apple.com>
3157 PR rtl-optimization/23241
3158 * combine.c (simplify_comparison): Fix error in determining
3159 whether to lift a subreg from comparison.
3161 2005-08-08 David Edelsohn <edelsohn@gnu.org>
3164 * config/rs6000/altivec.md (vec_init<mode>): New.
3165 (vec_set<mode>): New.
3166 (vec_extract<mode>): New.
3167 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3168 (rs6000_expand_vector_set): New.
3169 (rs6000_expand_vector_extract): New.
3170 (rs6000_legitimate_offset_address_p): Offset addresses are valid
3171 for Altivec modes before reload.
3172 (altivec_expand_vec_init_builtin): New.
3173 (get_element_number): New.
3174 (altivec_expand_vec_set_builtin): New.
3175 (altivec_expand_vec_ext_builtin): New.
3176 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3178 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3180 * config/rs6000/rs6000.h (rs6000_builtins): Add
3181 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3182 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3183 * config/rs6000/rs6000-protos.h: Declare new functions.
3185 2005-08-08 Jan Hubicka <jh@suse.cz>
3187 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3188 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3189 * i386.md (movdi*): Use pic_32bit_operand.
3190 * predicates.md (pic_32bit_operand): New.
3192 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
3195 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3197 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
3199 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3200 (test_for_singularity): Use fold_build2.
3202 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3204 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3206 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
3208 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3209 (COMMON_ASM_OP) Define.
3210 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3211 (ix86_encode_section_info): Likewise.
3212 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3213 SUBTARGET_ENCODE_SECTION_INFO.
3215 2005-08-06 Richard Henderson <rth@redhat.com>
3218 * tree-nested.c (convert_local_reference): Save and restore val_only
3219 around component_ref and friends. Clear walk_subtrees by default.
3221 2005-08-06 Peter O'Gorman <peter@pogma.com>
3224 * gcc.c (process_command): Check the argument to -b has a dash.
3225 * doc/invoke.texi: Update -b and -V docs.
3227 2005-08-06 James E Wilson <wilson@specifix.com>
3229 * config/mips/cross64.h, config/mips/t-cross64: Delete.
3231 2005-08-06 Michael Matz <matz@suse.de>
3233 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
3234 member only if only one insn is associated with the value.
3236 2005-08-06 Nick Clifton <nickc@redhat.com>
3238 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
3240 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
3241 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
3242 Check symbol flags instead of symbol name mangling.
3243 (xstormy16_asm_output_aligned_common): Likewise. Also
3244 simplify code since the bss100_section cass is the only case
3245 where the below100 code will be triggered.
3246 (xstormy16_encode_section_info): Encode below100 attribute
3247 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
3249 (xstormy16_strip_name_encoding): Delete - this function is no
3251 (TARGET_STRIP_NAME_ENCODING): Undefine.
3252 * config/stormy16/stormy16-protos.h: Delete prototype for
3253 xstormy16_strip_name_encoding.
3255 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
3257 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
3258 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
3259 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
3260 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
3261 config/alpha/predicates.md, config/arc/arc.h,
3262 config/arm/arm.h, config/arm/ieee754-df.S,
3263 config/arm/ieee754-sf.S, config/bfin/bfin.c,
3264 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
3265 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
3266 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
3267 config/m68hc11/m68hc11.h, config/mips/mips.c,
3268 config/mips/mips.h, config/mips/openbsd.h,
3269 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
3270 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
3271 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3272 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3273 config/sparc/linux.h, config/sparc/linux64.h,
3274 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
3275 doc/extend.texi, doc/gcov.texi, doc/install.texi,
3276 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
3277 typos. Follow spelling conventions.
3279 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
3282 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
3283 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
3284 specially. Check for side effects only for COND_EXPR.
3285 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
3286 return with TREE_NO_WARNING.
3288 2005-08-06 Richard Sandiford <richard@codesourcery.com>
3290 PR rtl-optimization/23233
3291 * loop.c (combine_movables): Require the modes to be the same.
3292 (move_movables): Remove handling of cases where the replacement
3293 had a different mode to the original.
3295 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
3297 PR tree-optimization/23128
3298 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
3299 subtraction wrap, and set TREE_OVERFLOW if they do.
3301 2005-08-05 Richard Henderson <rth@redhat.com>
3304 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
3305 FORCED_LABEL labels.
3307 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
3310 * reload.c (find_reloads_subreg_address): Pass down TYPE
3311 unchanged. Change all callers except find_reloads_toplev.
3313 2005-08-05 Michael Matz <matz@suse.de>
3315 * genattrtab.c (current_alternative_string): Remove.
3316 (SIMPLIFY_ALTERNATIVE): Ditto.
3317 (attr_alt_bit_p): Ditto.
3318 (alternative_name): Make const char *.
3319 (evaluate_eq_attr): Remove use of above things.
3320 (simplify_test_exp): Ditto.
3321 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
3322 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
3324 2005-08-04 James E Wilson <wilson@specifix.com>
3326 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
3327 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
3328 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
3329 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
3330 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
3332 2005-08-04 Richard Henderson <rth@redhat.com>
3335 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
3336 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
3337 * tree-sra.c (decide_block_copy): Use it. Disable element copy
3338 if we'd have to instantiate too many members.
3340 2005-08-04 Richard Henderson <rth@redhat.com>
3343 * tree-outof-ssa.c (coalesce_asm_operands): New.
3344 (coalesce_ssa_name): Use it. Split out ...
3345 (coalesce_phi_operands, coalesce_result_decls): ... these.
3347 2005-08-04 Paul Brook <paul@codesourcery.com>
3349 * read-rtl.c (read_quoted_string): Break if EOF.
3351 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
3353 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
3354 (fold_build2): Likewise.
3355 (fold_build3): Likewise.
3356 (fold_build1_stat): New function prototype.
3357 (fold_build2_stat): Likewise.
3358 (fold_build3_stat): Likewise.
3359 * fold-const.c (fold_build1): Rename to ..
3360 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3361 through to build1_stat.
3362 (fold_build2): Rename to ..
3363 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3364 through to build2_stat.
3365 (fold_build3): Rename to ..
3366 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3367 through to build3_stat.
3369 2005-08-04 David Edelsohn <edelsohn@gnu.org>
3370 Ian Lance Taylor <ian@airs.com>
3372 * function.c (assign_stack_local_1): Do not correct stack slot
3373 address if allocation size is smaller than mode size.
3375 2005-08-04 Diego Novillo <dnovillo@redhat.com>
3378 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
3379 (tree_merge_blocks): Propagate anything allowed by
3381 Clarify documentation.
3382 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
3383 SSA form, schedule an update if necessary.
3385 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
3387 * doc/install.texi (Binaries): Remove broken link to
3388 Sinix/Reliant Unix binaries.
3390 2005-08-03 Richard Henderson <rth@redhat.com>
3393 * function.c (stack_protect_epilogue): Export.
3394 * tree.h (stack_protect_epilogue): Declare.
3395 * calls.c (expand_call): Call it.
3397 2005-08-03 Eric Christopher <echristo@apple.com>
3399 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
3400 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
3403 2005-08-04 Jan Hubicka <jh@suse.cz>
3405 * profile.c (branch_prob): Split edges with goto locus on them
3406 to get proper line counts.
3407 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
3409 2005-08-03 Paul Brook <paul@codesourcery.com>
3411 * function.c (assign_parms): Round current_function_args_size
3412 to PARM_BOUNDARY, not STACK_BOUNDARY.
3414 2005-08-03 Geoffrey Keating <geoffk@apple.com>
3416 * config/i386/i386.c (x86_elf_aligned_common)
3417 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
3419 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
3421 PR tree-optimization/23157
3422 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
3423 before emitting them.
3425 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3427 PR tree-optimization/19899
3428 * Makefile.in (tree-scalar-evolution.o): Add real.h.
3429 * tree-scalar-evolution.c: Include real.h.
3430 (add_to_evolution): Build constant -1 of correct type.
3432 2005-08-03 Jan Hubicka <jh@suse.cz>
3434 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
3435 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
3436 profile updating for complette unrolling.
3437 * loop-unroll.c (peel_loop_completely): Use it.
3438 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
3439 (tree_unroll_loops_completely): Disable code growing unrolling of cold
3442 2005-08-03 Paul Brook <paul@codesourcery.com>
3444 * combine.c (can_change_dest_mode): New function.
3445 (try_combine, simplify_set): Use it.
3447 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
3449 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
3452 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
3454 * doc/install.texi (Specific): Adjust link to openavr.org.
3455 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
3456 (Binaries): Adjust HP-UX Porting Center link.
3457 (Binaries): Adjust Free Software Foundation ordering link.
3459 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
3461 * convert.c (convert_to_integer): Use fold_build1 instead of
3462 build1 when converting an integer to an integer.
3464 2005-08-02 Richard Henderson <rth@redhat.com>
3466 * combine.c (combine_instructions): Don't use reg_equal/equiv
3467 results if the mode doesn't match.
3469 2005-08-02 Mark Mitchell <mark@codesourcery.com>
3471 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
3472 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
3474 2005-08-02 Richard Henderson <rth@redhat.com>
3477 * explow.c (memory_address): Remove special-case for
3478 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
3480 2005-08-02 Diego Novillo <dnovillo@redhat.com>
3483 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
3484 number of calls to cleanup_tree_cfg_1.
3486 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
3488 * doc/invoke.texi: document file extensions .F90 and .F95
3490 2005-08-02 Richard Guenther <rguenther@suse.de>
3492 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
3493 positive if its first argument is positive.
3495 2005-08-02 Richard Guenther <rguenther@suse.de>
3497 PR tree-optimization/23177
3498 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
3501 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
3503 PR tree-optimization/23129
3504 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
3505 varying for divisions with anti-ranges.
3507 2005-08-02 Jan Hubicka <jh@suse.cz>
3509 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
3510 * tree-ssa-threadupdate.c (thread_block): Add it here.
3512 2005-08-01 James E Wilson <wilson@specifix.com>
3514 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
3515 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
3516 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
3518 * config/mips/predicates.md (const_call_insn_operand): Add check for
3519 SYMBOL_REF_LONG_CALL_P.
3520 * doc/extend.texi (long_call): Document the new attribute.
3522 2005-08-01 Ian Lance Taylor <ian@airs.com>
3523 Richard Henderson <rth@redhat.com>
3525 * Makefile.in (RTL_BASE_H): Add real.h.
3526 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
3528 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
3530 * rtl.c (rtl_check_failed_code_mode): New.
3531 * rtl.h (struct rtx_def): Add u.rv.
3532 (XCMWINT, XCNMPRV): New.
3533 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
3534 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
3536 2005-08-01 Richard Henderson <rth@redhat.com>
3538 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
3539 with auto-inc codes.
3541 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
3543 2005-08-01 Jan Hubicka <jh@suse.cz>
3545 * i386-protos.h (asm_preferred_eh_data_format): Declare.
3546 * i386.c: Include dwarf2.h
3547 (asm_preferred_eh_data_format): New.
3548 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
3550 2005-08-01 Ian Lance Taylor <ian@airs.com>
3552 * config/host-linux.c (linux_gt_pch_get_address): Add new name
3553 randomize_va_space for virtual address randomization control.
3555 2005-08-01 Steven Bosscher <stevenb@suse.de>
3557 * common.opt (flag_ipa_cp): Put in right place to maintain
3560 2005-08-01 Jan Hubicka <jh@suse.cz>
3562 * profile.c (compute_value_histograms): Fix thinko.
3563 * value-prof.c: Include toplev.h
3564 (check_counter): New function.
3565 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
3566 tree_mod_subtract_transform): Add sanity check.
3568 2005-08-01 Richard Guenther <rguenther@suse.de>
3570 PR tree-optimization/23133
3571 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
3572 current functions parameter decls to find defs to cse
3575 2005-08-01 Richard Guenther <rguenther@suse.de>
3577 PR tree-optimization/23109
3578 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
3579 If trapping math is in effect, use post-dominator information
3580 to check if we'd in any case reach a trapping point before
3581 doing the reciprocal insertion.
3582 (execute_cse_reciprocals): Compute post-dominators, if necessary.
3583 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
3584 expressions are invariant only if trapping math is not in effect.
3586 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
3588 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
3589 cgraph_function_versioning): New declarations.
3590 * cgraphunit.c: Add include to ipa-prop.h.
3591 (update_call_expr, cgraph_copy_node_for_versioning,
3592 cgraph_function_versioning): New functions.
3593 * integrate.c (copy_decl_for_inlining): Remove.
3594 * ipa-prop.h (ipa_replace_map): New struct.
3595 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
3596 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
3597 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
3598 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
3599 ipcp_iterate_stage, ipcp_method_scale_print,
3600 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
3601 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
3602 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
3603 ipcp_update_bb_counts, ipcp_update_profiling,
3604 ipcp_update_edges_counts): New functions.
3605 (ipcp_method_cval_init): Remove restriction regarding local methods.
3606 (ipcp_init_stage): Add ipcp_method_compute_scale.
3607 (ipcp_insert_stage): Add versioning.
3608 (ipcp_structures_print): Add ipcp_method_scale_print.
3609 (ipcp_driver): Dump profiling info.
3610 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
3611 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
3612 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
3613 (struct inline_data): Add versioning_p, ipa_info, new fields.
3614 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
3615 declare_return_variable): Replace calls to copy_decl_for_inlining with
3617 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
3619 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
3620 Add argument VERSIONING.
3621 (copy_arguments_for_versioning, copy_static_chain,
3622 function_versionable_p, tree_versionable_function_p,
3623 tree_function_versioning, replace_ref_tree): New functions.
3624 * tree-inline.h: Include varray.h.
3625 (tree_versionable_function_p, tree_function_versioning,
3626 tree copy_decl_for_dup): New declarations.
3628 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
3630 * ipa-cp.c: New file. Contains IPCP specific functionality.
3631 * ipa-prop.h: New file. Contains structures/definitions that can be
3632 used by several interprocedural data flow optimizations (and also IPCP).
3633 * ipa-prop.c: New file.
3634 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
3635 * common.opt: Add ipa-cp flag.
3636 * timevar.def: Add IPCP optimization.
3637 * tree-optimize.c (init_tree_optimization_passes): Schedule
3639 * tree-pass.h (pass_ipa_cp): Declare.
3641 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
3643 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
3644 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
3645 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
3646 config/i386/i386.c, config/mips/mips.h,
3647 config/rs6000/rs6000.h, config/sh/sh.c,
3648 config/stormy16/stormy16.c: Fix comment typos.
3650 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
3653 * c-typeck.c (build_binary_op): Use common_type wrapper on
3655 (common_type): Update comment.
3657 2005-07-31 Steven Bosscher <stevenb@suse.de>
3660 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
3661 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
3662 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
3664 2005-07-31 Jan Hubicka <jh@suse.cz>
3666 * pretty-print.h (pp_widest_integer): New macro.
3667 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
3670 2005-07-31 Jan Hubicka <jh@suse.cz>
3672 * output.h (enum section_category): Export from varasm.c
3673 (categorize_decl_for_section): Likewise.
3674 * varasm.c (enum section_category): Kill.
3675 (categorize_decl_for_section): Make global.
3676 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
3678 * i386.c (ix86_section_threshold): New static variable.
3679 (ix86_in_large_data_p, ix86_encode_section_info,
3680 x86_64_elf_unique_section,
3681 x86_64_elf_select_section): New functions.
3682 (TARGET_ENCODE_SECTION_INFO): Define
3683 (override_options): Enable medium model for PIC.
3684 (ix86_expand_prologue): Expand gen_set_got_rex64.
3685 (legitimate_constant_p): Handle new UNSPECs.
3686 (legitimate_pic_address_disp_p): Likewise.
3687 (legitimize_pic_address): Lower MEDIUM model addressing.
3688 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
3689 (enum cmodel): Add MEDIUM_PIC.
3690 (SYMBOL_REF_FAR_ADDR_P): New macro.
3691 (SYMBOL_FLAG_FAR_ADDR): New flag.
3692 * i386.md (movdi): Support medium model.
3693 (set_got_rex64): New pattern.
3694 * i386.opt (mlarge-data-threshold): New flag.
3695 * predicates.md (zext_operand/sext_operand): Deal with medium model.
3696 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
3697 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
3698 TARGET_ASM_UNIQUE_SECTION): New.
3700 * invoke.texi (-mlarge_data_threshold): Document
3702 2005-07-31 Jan Hubicka <jh@suse.cz>
3704 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
3705 (coalesce_vars): Likewise.
3706 * tree-ssa-live.c (coalesce_cost): New.
3707 (build_tree_conflict_graph): Use coalesce_cost.
3708 * tree-ssa-live.h (coalesce_cost): Declare.
3710 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
3712 * arm.md (all peepholes for post-increment operations): Delete.
3713 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
3714 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
3715 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
3716 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3717 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3719 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
3721 * fold-const.c (tree_expr_nonnegative_p): Always return true for
3724 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
3727 * doc/invoke.texi: Document -rdynamic.
3729 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
3732 * c-parser.c (c_parser_parms_list_declarator): Call
3733 mark_forward_parm_decls.
3734 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3735 decls with visibility structure.
3737 2005-07-30 Paul Brook <paul@codesourcery.com>
3739 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3741 2005-07-30 Paul Brook <paul@codesourcery.com>
3743 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3745 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3747 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3749 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3752 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3753 nested function declarators.
3754 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3755 (grokparms): Call warn_if_shadowing for parameters used within the
3757 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3758 not used within the parameter list.
3759 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3761 2005-07-30 Jan Hubicka <jh@suse.cz>
3763 * expr.c (expand_expr_real_1): Do not load mem targets into register.
3764 * i386.c (ix86_fixup_binary_operands): Likewise.
3765 (ix86_expand_unary_operator): Likewise.
3766 (ix86_expand_fp_absneg_operator): Likewise.
3767 * optabs.c (expand_vec_cond_expr): Validate dest.
3769 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3772 * real.c (real_from_string): Also set last bit if there is a
3773 nonzero hex digit beyond GCC's internal precision after ".".
3775 2005-07-29 David Edelsohn <edelsohn@gnu.org>
3777 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3778 define_constants. Change duplicate values to unassigned numbers.
3779 Change UNSPEC_SUBS to UNSPEC_VSUBS.
3780 (*altivec_vspltsf): New.
3781 (altivec_vperm_v4sf): Delete.
3782 (altivec_vperm_<mode>): Use mode macro V.
3783 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3784 (altivec_predicate_v4sf): Delete.
3785 (altivec_predicate_<mode>): Use mode macro V.
3786 (*altivec_lvesfx): New.
3787 (*altivec_stvesfx): New.
3788 (vec_realign_load_v4sf): Delete.
3789 (vec_realign_load_<mode>): Use mode macro V.
3790 * config/rs6000/rs6000.c (generate_set_vrsave): Use
3793 2005-07-29 Mark Mitchell <mark@codesourcery.com>
3796 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
3798 * configure: Regenerated.
3800 2005-07-29 Paul Brook <paul@codesourcery.com>
3802 * doc/install.texi: Add link to GFortran binaries wiki page.
3804 2005-07-29 David Ung <davidu@mips.com>
3806 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
3807 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
3808 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
3809 * config/mips/mips.md (cpu): Add 5kf name.
3810 (includes): Includes 5k.md.
3811 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
3812 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
3815 2005-07-29 Diego Novillo <dnovillo@redhat.com>
3818 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
3819 (cleanup_tree_cfg): ... here.
3820 Call cleanup_tree_cfg_1 until there are no more cleanups to
3823 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
3825 * tree-vrp.c (compare_range_with_value): Return true or false
3826 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
3827 EQ_EXPR respectively.
3829 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
3831 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
3834 2005-07-29 Diego Novillo <dnovillo@redhat.com>
3836 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
3837 (tree_ssa_dominator_optimize): Increment it.
3838 (dump_dominator_optimization_stats): Print it.
3840 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
3841 Steven Bosscher <stevenb@suse.de>
3843 PR rtl-optimization/23117
3844 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
3845 when head == tail. Tidy comment.
3847 2005-07-28 Richard Henderson <rth@redhat.com>
3849 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
3850 * cselib.c (rtx_equal_for_cselib_p): Likewise.
3851 * jump.c (rtx_renumbered_equal_p): Likewise.
3852 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3853 CONST_INT and CONST_DOUBLE.
3854 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3855 * reload.c (operands_match_p): Special case CONST_INT and
3856 CONST_DOUBLE; check mode earlier.
3858 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3861 * c-typeck.c (convert_for_assignment): Do not check
3862 DECL_IN_SYSTEM_HEADER on NULL fundecl.
3864 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3867 * c-typeck.c (composite_type): Prefer constant size arrays to
3870 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3873 * real.c (real_from_string): Set last bit if there is a nonzero
3874 hex digit beyond GCC's internal precision.
3876 2005-07-28 Richard Henderson <rth@redhat.com>
3879 * cfgcleanup.c (try_forward_edges): Watch out for end of
3882 2005-07-28 James E Wilson <wilson@specifixinc.com>
3885 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3887 2005-07-28 Jan Hubicka <jh@suse.cz>
3889 * Makefile.in (rtl-profile.o): Kill all traces of it.
3890 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3891 * coverage.h (rtl_coverage_counter_ref): Kill.
3892 * opts.c (flag_speculative_prefetching_set): Kill.
3893 (flag_loop_optimize_set): New.
3894 (common_handle_option): Disable loop optimizer when profiling;
3895 do not handle speculative prefetching.
3896 * passes.c (init_optimization_passes): Replace pass_profiling combo
3897 by branch_prob pass.
3898 * profile.c (compute_value_histograms): Update for simplified value
3900 (rtl_register_profile_hooks): Kill.
3901 (pass_profiling): Kill.
3902 (rest_of_handle_branch_prob): Do not profile.
3903 * toplev.c (process_options): Remove speculative prefetching.
3904 * toplev.h (flag_tree_based_profiling): Kill.
3905 * tree-profile.c (prepare_instrumented_value,
3906 tree_gen_interval_profiler, tree_gen_pow2_profiler,
3907 tree_gen_one_value_profiler, do_tree_profiling): Update for
3908 simplified datastructures.
3909 * value-prof.c: Add comment that speculative prefetching was dropped;
3910 update rest of file for simplified datastructures.
3911 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3912 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3913 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3914 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3915 rtl_mod_subtract, gen_speculative_prefetch,
3916 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3917 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3918 (gate_handle_value_profile_transformations,
3919 rest_of_handle_value_profile_transformations,
3920 pass_value_profile_transformations): Kill.
3921 * value-prof.h (histogram_value_t): Remove IL based unions.
3922 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3923 rtl_profile_hooks): Remove hooks.
3925 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3927 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3928 (cgraph_clone_node): Likewise.
3929 * cgraph.h (cgraph_clone_edge): Update prototype.
3930 (cgraph_clone_node): Likewise.
3931 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3933 (lookup_recursive_calls): Consider profile.
3934 (cgraph_decide_recursive_inlining): Fix updating; use new
3935 probability argument; use profile.
3936 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3937 * tree-inline.c (copy_bb): Update clal of clone_edge.
3938 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3940 * invoke.texi (min-inline-recursive-probability): Document.
3942 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
3944 * doc/install.texi (Configuration): Update Valgrind homepage.
3946 2005-07-28 Richard Henderson <rth@redhat.com>
3949 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
3950 labels we want to delete.
3951 (cfg_layout_merge_blocks): Likewise.
3953 2005-07-28 Richard Henderson <rth@redhat.com>
3956 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
3957 when expanding to nothing.
3959 2005-07-28 Josh Conner <jconner@apple.com>
3961 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
3962 (cgraph_decide_inlining_of_small_functions): Likewise.
3964 2005-07-28 Josh Conner <jconner@apple.com>
3966 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
3967 direction of badness if negative.
3968 (cgraph_default_inline_p): Add reason to parameters, and assign it
3970 (cgraph_decide_inlining_of_small_functions): New parameter in call
3971 to cgraph_default_inline_p.
3972 (cgraph_decide_inlining_incrementally): Likewise.
3973 * cgraphunit.c (decide_is_function_needed): Likewise.
3974 * cgraph.h (cgraph_default_inline_p): Likewise.
3976 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3978 * builtins.c: Fix comment typo(s).
3979 * genautomata.c: Likewise.
3980 * gimplify.c: Likewise.
3981 * tree-dfa.c: Likewise.
3982 * tree-flow-inline.h: Likewise.
3983 * tree-into-ssa.c: Likewise.
3984 * tree-ssa-alias.c: Likewise.
3985 * tree-ssa-ccp.c: Likewise.
3986 * tree-ssa-copy.c: Likewise.
3987 * tree-ssa-dce.c: Likewise.
3988 * tree-ssa-dom.c: Likewise.
3989 * tree-ssa-operands.c: Likewise.
3990 * tree-tailcall.c: Likewise.
3991 * tree-vectorizer.c: Likewise.
3992 * tree-vrp.c: Likewise.
3995 2005-07-28 Jeff Law <law@redhat.com>
3997 * tree-vrp.c (test_for_singularity): Extracted from ...
3998 (simplify_cond_using_ranges): Attempt to simplify a relational
3999 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
4001 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
4003 PR tree-optimization/22506
4004 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
4005 phis whose argument is constant.
4007 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
4009 PR rtl-optimization/18992
4010 Back out this patch:
4011 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4012 PR optimization/12142
4013 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
4014 uses of the register in the SET_SRC. Remove unnecessary argument.
4016 Replace it with this:
4017 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
4018 if flag_non_call_exceptions is set and the insn may trap, pass
4019 pc_rtx as dest for recursion.
4020 In SET_SRC part of SET case, if dest is already set, pass it down
4023 2005-07-28 Jan Hubicka <jh@suse.cz>
4025 * cfg.c (update_bb_profile_for_threading): Use RDIV.
4026 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
4027 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
4029 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
4030 profile when available.
4032 2005-07-28 Jan Beulich <jbeulich@novell.com>
4034 * config/ia64/ia64.c (ia64_load_pair_ok): New.
4035 (ia64_print_operand): Describe and handle 'X'.
4036 (ia64_register_move_cost): Also handle FP_REGS.
4037 (ia64_preferred_reload_class): Likewise.
4038 (ia64_secondary_reload_class): Likewise.
4039 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
4040 it. Also check for ITANIUM_CLASS_FLDP.
4041 * config/ia64/ia64.h (FP_REGNO_P): New.
4042 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
4043 (reg_class): Add FP_REGS.
4044 (REG_CLASS_NAMES): Adjust for it.
4045 (REG_CLASS_CONTENTS): Likewise.
4046 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
4047 (REG_CLASS_FROM_LETTER): Handle 'x'.
4048 (CLASS_MAX_NREGS): Handle FP_REGS.
4049 (MEMORY_MOVE_COST): Likewise.
4050 * config/ia64/ia64.md (itanium_class): Add fldp.
4051 (type): Handle fldp.
4052 (movti_internal): More allowable operand combinations. Use ldfp8 when
4053 splitting unnecessary. Remove predicable attribute. Adjust
4054 itanium_class attribute.
4055 (smuldi3_highpart): Remove outdated comment.
4056 (mulditi3, umulditi3, rotlti3): New expanders.
4057 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
4058 (absti2): Disabled new insn for future reference.
4059 Respective new splitters.
4060 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
4061 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
4062 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
4064 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
4066 PR rtl-optimization/23047
4067 * simplify-rtx.c (simplify_const_relational_operation): Respect
4068 flag_wrapv for comparisons with ABS.
4070 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
4072 PR tree-optimization/22493
4073 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
4074 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
4076 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
4078 * config/frv/frv.opt (moptimize-membar): New.
4080 * doc/invoke.texi: Document -moptimize-membar and its inverse.
4082 * config/frv/frv.h: Remove machine_function definition.
4084 * config/frv/frv.c (struct frv_io): New.
4085 (struct machine_function): Moved from frv.h. Add has_membar_p.
4086 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
4087 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
4088 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
4089 (frv_optimize_membar_global, frv_optimize_membar): New functions.
4090 (frv_reorg): Call frv_optimize_membar when appropriate.
4091 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
4092 (frv_expand_builtin): Adjust calls accordingly.
4093 (frv_io_address_cookie): New function.
4094 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
4095 load or store rather than a special insn. Add ccnstant address and
4096 io-type operands to the membar.
4097 (frv_ifcvt_modify_tests): Unsign regno.
4098 (frv_ifcvt_modify_tests): Same.
4100 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
4101 UNSPEC_OPTIONAL_MEMBAR constant.
4102 (builtin_read_<mode>): Delete.
4103 (builtin_write_<mode>): Delete.
4104 ("optional_membar_<mode>"): Add operand.
4106 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
4107 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
4108 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
4109 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
4110 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
4111 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
4112 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
4113 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
4114 * testsuite/gcc.target/frv/all-read-write-1.c: New.
4116 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
4118 * df.c (df_uses_record): Handle SCRATCH.
4120 2005-07-28 Steven Bosscher <stevenb@suse.de>
4123 * passes.c (rest_of_decl_compilation): If decl is a type and
4124 we have encountered errors, don't emit debug information.
4126 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4128 * params.def: Fixed comment.
4130 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
4133 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
4134 (TARGET_ASM_UNALIGNED_HI_OP): Add.
4135 (TARGET_ASM_UNALIGNED_SI_OP): Add.
4137 2005-07-27 Steven Bosscher <stevenb@suse.de>
4140 * varasm.c (assemble_start_function): Don't do anything that may
4141 require a CFG if the current function is a thunk.
4143 2005-07-25 Geoffrey Keating <geoffk@apple.com>
4145 * doc/install.texi (Prerequisites): Mention that perl is needed
4146 to do export control in libstdc++ targetting Darwin.
4148 2005-07-27 Steven Bosscher <stevenb@suse.de>
4150 PR rtl-optimization/17808
4151 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
4152 (sched_insns_conditions_mutex_p): Split out from...
4153 (add_dependence): ...here. But don't call it from here.
4154 (add_dependence_list): Check sched_insns_conditions_mutex_p
4155 before calling add_dependence.
4156 (add_dependence_list_and_free): Likewise.
4157 (fixup_sched_groups): Likewise.
4158 (sched_analyze_1): Likewise.
4159 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
4160 (sched_analyze): Likewise.
4161 (sched_analyze_insn): Likewise.
4162 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
4163 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
4164 dependencies on all COND_EXEC insns to jumps ending basic blocks
4165 when doing intrablock scheduling.
4166 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
4168 2005-07-27 Jeff Law <law@redhat.com>
4170 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
4171 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
4172 equivalency sets, correctly handle the case were vr0 has an
4173 equivalency set, but vr1 does not.
4175 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
4177 PR tree-optimization/23073
4178 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4179 vect_print_dump_info before fprintf.
4181 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4183 PR tree-optimize/22348
4184 * tree-ssa-loop-niter.c (number_of_iterations_cond):
4185 Fold the partial computation.
4187 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4189 PR tree-optimization/22325
4190 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4192 * tree-scalar-evolution.c (scev_const_prop): Add generic final
4194 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4195 (force_var_cost): ... this function.
4196 (compute_phi_arg_on_exit): Export.
4198 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4200 PR tree-optimization/20773
4201 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4204 2005-07-27 Richard Guenther <rguenther@suse.de>
4206 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4207 Avoid pushing again if current struct contains only
4208 fields we decomposed.
4210 2005-07-27 Jan Hubicka <jh@suse.cz>
4212 PR tree-optimization/22574
4213 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4216 * tree-tailcall.c (decrease_profile): New function.
4217 (eliminate_tail_call): Use it.
4219 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4220 visibility flags correctly in whole program mode.
4222 2005-07-26 Steve Ellcey <sje@cup.hp.com>
4224 PR rtl-optimization/22472
4225 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4227 2005-07-26 Steven Bosscher <stevenb@suse.de>
4229 PR tree-optimization/22504
4230 * tree-complex.c (expand_complex_addition): Use 'code' instead
4231 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
4233 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4235 * config.gcc (cpu_type): Add frv case.
4236 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
4237 (supported_defaults): Add fr550 case.
4239 2005-07-26 Diego Novillo <dnovillo@redhat.com>
4242 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
4243 whether a pointer of type T * may point to objects of type T *.
4245 2005-07-26 DJ Delorie <dj@redhat.com>
4247 * configure: Regenerate.
4249 2005-07-26 Dale Johannesen <dalej@apple.com>
4251 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
4253 2005-07-26 Mark Mitchell <mark@codesourcery.com>
4255 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
4256 Clarify use of "build" in name.
4258 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4260 * doc/extend.texi (Raw read/write Functions): New section.
4261 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
4262 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
4263 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
4264 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
4265 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
4266 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
4267 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
4268 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
4269 * config/frv/frv.c: Add bdesc_loads global.
4270 Add bdesc_stores global.
4271 (frv_init_builtins): Add support for __builtin_{read/write}*.
4272 (frv_volatile_memref): New.
4273 (frv_expand_load_builtin): New.
4274 (frv_expand_store_builtin): New.
4275 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
4276 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
4277 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
4278 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
4279 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
4280 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
4281 (builtin_read_<mode>): New.
4282 (builtin_write_<mode>): New.
4283 (builtin_write64): New.
4284 (optional_membar_<mode>): New.
4286 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
4288 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
4289 (rather than units) against HOST_BITS_PER_WIDE_INT.
4291 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
4293 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
4294 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
4295 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
4296 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
4299 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
4300 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
4301 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
4303 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
4305 2005-07-26 Richard Guenther <rguenther@suse.de>
4307 PR tree-optimization/22486
4308 * fold-const.c (fold_unary): Fold away useless component
4309 references of the form (T *)&T.x, if the address
4312 2005-07-25 James E Wilson <wilson@specifixinc.com>
4314 * dwarf2out.c (add_call_src_coords_attributes): New.
4315 (gen_inlined_subroutine_die): Call it.
4316 (maybe_emit_file, init_file_table): Add comments.
4317 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
4319 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
4320 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
4321 * tree.h (BLOCK_SOURCE_LOCATION): New.
4322 (struct tree_block): New field locus.
4324 2005-07-26 Andreas Schwab <schwab@suse.de>
4326 PR rtl-optimization/23043
4327 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
4328 when allocating a struct unoccr.
4330 2005-07-25 Richard Henderson <rth@redhat.com>
4333 * tree-complex.c (gate_no_optimization): True if errors.
4334 * Makefile.in (tree-complex.o): Update dependencies.
4336 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
4338 * config/frv/predicates.md (integer_register_operand): Use
4341 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4344 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
4346 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
4348 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4350 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
4351 types when flag_unsafe_math_optimizations is true.
4353 2005-07-25 Mark Mitchell <mark@codesourcery.com>
4355 * gcc.c (option_map): Add --sysroot.
4356 (process_command): Handle --sysroot.
4357 (display_help): Document it.
4358 * doc/cppopts.tex (-isysroot): Document.
4359 * doc/invoke.texi (--sysroot): Document.
4360 * doc/install.texi (--with-build-sysroot): Document.
4362 * Makefile.in (inhibit_libc): New variable.
4363 (INHIBIT_LIBC_CFLAGS): Likewise.
4364 (LIBGCC2_CFLAGS): Include
4365 $(INHIBIT_LIBC_CFLAGS).
4366 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
4367 ($(T)crtbegin.o): Do not use @inhibit_libc@.
4368 ($(T)crtend.o): Likewise.
4369 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
4370 ($(T)crtendS.o): Likewise.
4371 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
4372 ($(T)crtendT.o): Likewise.
4373 (stmp-fixinc): Do not complain about missing headers if
4375 * configure.ac (inhibit_libc): Set it to true/false.
4376 (--with-build-sysroot): New option. Use it to set
4378 * configure: Regenerated.
4380 2005-07-25 Manfred Hollstein <mh@suse.com>
4382 * calls.c (store_one_arg): Fix unsigned comparison warning.
4384 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4387 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
4388 (ggc_print_statistics): Initialize variable before use.
4390 2005-07-25 Richard Guenther <rguenther@suse.de>
4392 * tree-dfa.c (mark_new_vars_to_rename): Protect against
4393 calling with a PHI_NODE argument.
4395 * tree-flow-inline.h (overlap_subvar): Protect against
4398 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
4400 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
4401 * configure: Regenerate.
4403 2005-07-25 Ira Rosen <irar@il.ibm.com>
4405 * expr.c (highest_pow2_factor): Make extern.
4406 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
4407 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
4408 record_array_differ_p, array_ptr_differ_p): Likewise.
4409 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
4410 additional cases. Call the above functions.
4411 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
4412 base_object_differ_p when there are two base objects. Otherwise, compare
4413 base address and offset. Call may_alias_p.
4414 (dump_data_reference): Use a correct field name.
4415 (analyze_array): Make static. Initialize new data-ref fields.
4416 (analyze_indirect_ref): New function.
4417 (init_data_ref): Initialize new data-ref fields.
4418 (strip_conversion): Moved from tree-vect-analyze.c.
4419 (analyze_offset_expr, get_ptr_offset, address_analysis,
4420 object_analysis): Likewise.
4421 (analyze_offset): New function.
4422 (create_data_ref): Likewise.
4423 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
4424 dimensions for ARRAY_REFs only.
4425 (build_classic_dist_vector): Make static.
4426 (access_functions_are_affine_or_constant_p): Call macro to get the
4427 address of access functions.
4428 (compute_all_dependences): Add new parameter
4429 compute_self_and_read_read_dependences. Compute self and read-read
4430 dependences if it is true.
4431 (find_data_references_in_loop): Call create_data_ref. Initialize new
4433 (compute_data_dependences_for_loop): Add new parameter
4434 compute_self_and_read_read_dependences. Remove parameter nb_loops,
4435 compute nb_loops. Call compute_all_dependences,
4436 build_classic_dist_vector and build_classic_dir_vector with correct
4438 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
4439 with correct parameters. Compare dimensions for ARRAY_REFs only.
4440 (free_data_refs): Call macro to free access functions.
4441 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
4442 fields from stmt_vinfo.
4443 (struct base_object_info): New structure.
4444 (struct data_reference): Move fields to base_object_info. Add fields
4445 first_location and object_info for above structures. Move fields from
4446 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
4447 aligned_to. Add macros to access the new fields.
4448 Update functions declarations.
4449 * tree-flow.h (is_aliased_with): Declare.
4450 * tree-loop-linear.c (linear_transform_loops): Call
4451 compute_data_dependences_for_loop with correct parameters.
4452 * tree-ssa-alias.c (is_aliased_with): New function.
4453 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
4454 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
4455 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
4456 vect_base_addr_differ_p, compute_subscript_distance and
4457 build_classic_dist_vector. Add printings. Check absolute value of
4459 (vect_analyze_data_ref_dependences): Go through ddrs instead of
4461 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
4462 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
4463 to bytes. Add printing.
4464 (vect_compute_data_refs_alignment): Go through loads and stores in one
4466 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
4467 vect_analyze_data_ref_access): Likewise.
4468 (vect_analyze_pointer_ref_access): Remove.
4469 (vect_address_analysis, vect_object_analysis): Likewise.
4470 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
4471 and analyze data-refs in the loop.
4472 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
4473 fields of data-ref instead of stmt. Add init to the offset from the
4475 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
4476 (vect_update_init_of_dr): Likewise.
4477 (vect_update_inits_of_drs): Go through loads and stores in one loop.
4478 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
4480 (new_loop_vec_info): Initialize new fields.
4481 (destroy_loop_vec_info): Free new fields.
4482 (vect_strip_conversion): Remove.
4483 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
4484 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
4485 datarefs. Add new field ddrs.
4486 Add macros for the new fields access.
4487 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
4488 base_aligned_p, misalignment, memtag, ptr_info and subvars.
4489 Remove their macros.
4490 * tree.h (highest_pow2_factor): Declare.
4492 2005-07-25 Jakub Jelinek <jakub@redhat.com>
4494 * calls.c (store_one_arg): Check for sibling call MEM arguments
4495 from already clobbered incoming argument area.
4497 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4499 * c-common.c (check_missing_format_attribute): New.
4500 * c-common.h (check_missing_format_attribute): Likewise.
4501 * c-typeck.c (convert_for_assignment): Use it.
4503 2005-07-24 Andreas Schwab <schwab@suse.de>
4505 * config/m68k/m68k.md ("extendqidi2"): When source is an address
4506 register use a word move. Correct operand of ext.w in 68000 code.
4508 2005-07-23 Mark Mitchell <mark@codesourcery.com>
4510 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
4511 variables as declarations, rather than definitions.
4513 2005-07-24 Ira Rosen <irar@il.ibm.com>
4515 PR tree-optimization/22526
4516 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
4519 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4521 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
4522 that C99 reserve for future use. Use it to define clog10,
4523 clog10f and clog10l.
4525 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4527 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
4528 * configure.ac: Check for -Wmissing-format-attribute.
4530 * configure: Regenerate.
4532 2005-07-23 Richard Henderson <rth@redhat.com>
4534 PR tree-optimization/22623
4535 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
4537 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
4540 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
4542 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4544 * Makefile.in (C_TREE_H): Update dependencies.
4545 * c-tree.h: Include toplev.h.
4546 * diagnostic.h (diagnostic_set_info): Add format attribute.
4547 * rtl-error.c (diagnostic_for_asm): Likewise.
4549 2005-07-23 Chao-ying Fu <fu@mips.com>
4551 * config/mips/mips-dsp.md: New file.
4552 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
4553 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
4555 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
4556 MIPS_BUILTIN_BPOSGE32.
4557 (mips_expand_builtin_direct): Add one parameter to indicate that
4558 builtin functions need to return a value.
4559 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
4561 (mips_regno_to_class): Add classes for 12 new DSP registers.
4562 (mips_subword): Change to check four HI registers.
4563 (mips_output_move): Output move to and from 6 new DSP accumulators.
4564 (override_options): Make sure -mdsp and -mips16 are not used together.
4565 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
4567 (mips_conditional_register_usage): Disable 6 new DSP accumulators
4569 (print_operand): Add 'q' for printing DSP accumulators.
4570 (mips_cannot_change_mode_class): Check ACC_REGS.
4571 (mips_secondary_reload_class): Check ACC_REGS.
4572 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
4573 (mips_register_move_cost): Check ACC_REGS.
4574 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
4575 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
4576 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
4577 (dsp_bdesc): New array.
4578 (bdesc_arrays): Add DSP builtin function table.
4579 (mips_prepare_builtin_arg): Check predicate again after
4581 (mips_expand_builtin): Add one more parameter to
4582 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
4583 MIPS_BUILTIN_BPOSGE32.
4584 (mips_init_builtins): Initialize new function types.
4585 (mips_expand_builtin_direct): Check if builtin functions need to
4586 return a value and pass operands properly.
4587 (mips_expand_builtin_bposge): New function.
4588 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
4589 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
4590 (FIRST_PSEUDO_REGISTER): Increase to 188.
4591 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4592 Update for 12 new DSP registers.
4593 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
4594 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
4595 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
4596 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
4597 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
4598 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
4599 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
4600 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
4601 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
4602 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
4603 (REGISTER_NAMES): Add names for 12 new DSP registers.
4604 * config/mips/mips.md: Include mips-dsp.md.
4605 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
4606 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
4607 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
4608 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
4609 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
4610 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
4611 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
4612 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
4613 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
4614 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
4615 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
4616 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
4617 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
4618 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
4619 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
4620 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
4621 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
4622 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
4623 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
4624 (UNSPEC_RDDSP): New constants.
4625 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
4626 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
4628 * config/mips/mips.opt (-mdsp): New option.
4629 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
4630 (reg_imm10_operand): New predicates.
4631 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
4632 * doc/invoke.texi (-mdsp): Document new option.
4634 2005-07-22 DJ Delorie <dj@redhat.com>
4636 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
4638 * tree-inline.c (inlinable_function_p): Likewise.
4640 2005-07-22 Mark Mitchell <mark@codesourcery.com>
4643 * toplev.c (check_global_declarations): Do not mark undefined
4644 variables as DECL_IGNORED_P.
4645 * varasm.c (first_global_object_name): GTY it.
4646 (weak_global_object_name): Likewise.
4647 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
4648 a string to go into {weak,first}_global_object_name.
4650 2005-07-22 DJ Delorie <dj@redhat.com>
4652 * c-format.c (check_function_format): Change warning control
4653 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
4655 2005-07-22 Diego Novillo <dnovillo@redhat.com>
4657 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
4658 &PTR->FLD a dereference of PTR.
4659 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
4660 a potential dereference of PTR.
4662 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
4664 PR rtl-optimization/20370
4665 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
4666 call allocate_reg_info if necessary.
4668 PR rtl-optimization/21848
4669 * calls.c (emit_library_call_value_1): For const functions, add
4670 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
4672 PR rtl-optimization/22445
4673 * cselib.c (target.h): Include.
4674 (rtx_equal_for_cselib_p): Allow commutative matches.
4675 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
4676 Remove MODE parameter. Changed all callers.
4678 PR rtl-optimization/22258
4679 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
4681 (try_combine): Use likely_spilled_retval_p.
4683 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
4685 * config.gcc: Add crx-elf support.
4687 * doc/contrib.texi: Mention crx.
4688 * doc/extend.texi: Document crx extensions.
4689 * doc/install.texi: Document crx install.
4690 * doc/invoke.texi: Document crx options.
4691 * doc/md.texi: Document crx constraints.
4693 * config/crx/crx-protos.h: New file.
4694 * config/crx/crx.c: New file.
4695 * config/crx/crx.h: New file.
4696 * config/crx/crx.md: New file.
4697 * config/crx/crx.opt: New file.
4698 * config/crx/t-crx: New file.
4700 2005-07-22 Manfred Hollstein <mh@suse.com>
4702 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
4704 (int_add_graph_edge): Likewise.
4705 (collapse_nodes): Likewise.
4706 (process_unification_queue): Likewise.
4708 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4709 Laurent GUERBY <laurent@guerby.net>
4711 PR tree-optimization/22336
4712 * function.c (record_block_change): Check for
4713 cfun->ib_boundaries_block.
4715 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
4717 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
4718 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
4720 2005-07-21 DJ Delorie <dj@redhat.com>
4722 * toplev.c (warn_deprecated_use): Add warning control to warning
4724 * c-typeck.c (parser_build_binary_op): Likewise.
4725 (c_finish_if_stmt): Likewise.
4726 * c-common.c (check_function_sentinel): Likewise.
4727 (check_nonnull_arg): Likewise.
4729 2005-07-21 Richard Henderson <rth@redhat.com>
4732 * tree-complex.c (complex_ssa_name_components): New.
4733 (cvc_lookup): Allow entry not found.
4734 (create_components): Remove.
4735 (create_one_component_var, get_component_var): New.
4736 (get_component_ssa_name, set_component_ssa_name): New.
4737 (extract_component): Use get_component_ssa_name.
4738 (update_complex_components): Use set_component_ssa_name.
4739 (update_complex_components_on_edge): Likewise.
4740 (update_phi_components): Create new PHI nodes directly, instead
4741 of adding insns to edges.
4742 (tree_lower_complex): Allocate and free complex_variable_components
4743 and complex_ssa_name_components here.
4745 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
4747 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
4748 revert to returning false.
4750 2005-07-21 Uros Bizjak <uros@kss-loka.si>
4753 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
4755 2005-07-21 Uros Bizjak <uros@kss-loka.si>
4758 * config/i386/i386.md (cmpxf): Change operand constraints
4759 to "nonmemory_operand".
4761 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4763 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
4765 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4768 * fold-const.c (fold_build1): Add checksum for the operands.
4769 (fold_build2): Likewise.
4770 (fold_build3): Likewise.
4772 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4775 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
4777 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4779 * common.opt (-fforward-propagate): Committed by mistake,
4782 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4784 * reg-stack.c: Fix comment typo(s).
4785 * tree-ssa-operands.c: Likewise.
4786 * tree-vectorizer: Likewise.
4788 2005-07-21 Nick Clifton <nickc@redhat.com>
4790 * config/sh/symbian.c: Replace C++ style line comments with C
4791 style line comments.
4792 (symbian_add_attribute): Do not use a ? operator on the LHS of
4794 (sh_symbian_handle_dll_attribute): Change the type of the
4795 method vector to "VEC(tree,gc)*" and use vector accessor
4796 macros to walk over the elements.
4797 (symbian_export_vtable_and_rtti_p): Likewise.
4798 (symbian_class_needs_attribute_p): Likewise.
4800 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4803 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
4804 initialize targetm.resolve_overloaded_builtin here.
4805 (altivec_expand_overloaded_builtin): Make it non-static.
4806 * config/rs6000/rs6000-protos.h
4807 (altivec_expand_overloaded_builtin): New prototype.
4808 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
4809 targetm.resolve_overloaded_builtin here.
4810 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
4812 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4813 Zdenek Dvorak <dvorakz@suse.cz>
4815 PR tree-optimization/19210
4816 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
4818 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
4819 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
4820 rely on unproven assumptions.
4821 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
4822 * tree-flow.h (number_of_iterations_exit): Add final parameter.
4823 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
4824 to number_of_iterations_exit.
4825 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
4826 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
4827 * tree-ssa-loop-niter.c (find_loop_niter,
4828 estimate_numbers_of_iterations_loop): Likewise.
4829 (number_of_iterations_exit): Honor the new options.
4830 * doc/invoke.texi (Wunsafe-loop-optimizations,
4831 funsafe-loop-optimizations): Document them.
4833 2005-07-21 Richard Sandiford <richard@codesourcery.com>
4835 PR rtl-optimization/22167
4836 * gcse.c (hoist_code): Fix hoist_exprs[] check.
4838 2005-07-20 Adam Nemet <anemet@lnxw.com>
4840 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
4841 __do_global_dtors_aux longcall.
4843 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
4845 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
4846 (old_special_pred_table): Don't reference
4847 SPECIAL_MODE_PREDICATES.
4848 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
4849 * config/arc/arc.h: Don't mention PREDICATE_CODES.
4850 * config/sh/predicates.h: Don't mention
4851 SPECIAL_MODE_PREDICATES.
4852 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
4855 2005-07-20 DJ Delorie <dj@redhat.com>
4857 * config.gcc: Add m32c-elf support.
4859 * doc/contrib.texi: Mention m32c.
4860 * doc/extend.texi: Document m32c extensions.
4861 * doc/install.texi: Mention m32c.
4862 * doc/invoke.texi: Document m32c options.
4863 * doc/md.texi: Document m32c constraints.
4865 * config/m32c/addsub.md: New file.
4866 * config/m32c/bitops.md: New file.
4867 * config/m32c/cond.md: New file.
4868 * config/m32c/jump.md: New file.
4869 * config/m32c/m32c-lib1.S: New file.
4870 * config/m32c/m32c-lib2.c: New file.
4871 * config/m32c/m32c-modes.def: New file.
4872 * config/m32c/m32c-pragma.c: New file.
4873 * config/m32c/m32c-protos.h: New file.
4874 * config/m32c/m32c.abi: New file.
4875 * config/m32c/m32c.c: New file.
4876 * config/m32c/m32c.h: New file.
4877 * config/m32c/m32c.md: New file.
4878 * config/m32c/m32c.opt: New file.
4879 * config/m32c/minmax.md: New file.
4880 * config/m32c/mov.md: New file.
4881 * config/m32c/muldiv.md: New file.
4882 * config/m32c/predicates.md: New file.
4883 * config/m32c/prologue.md: New file.
4884 * config/m32c/shift.md: New file.
4885 * config/m32c/t-m32c: New file.
4887 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
4889 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4890 (stack_protect_set, stack_protect_test): New expanders.
4891 (stack_protect_set_si, stack_protect_set_si_media,
4892 stack_protect_set_di_media, stack_protect_test_si,
4893 stack_protect_test_si_media, stack_protect_test_di_media):
4896 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
4898 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
4900 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
4902 * tree.h (tree_expr_nonzero_p): Export.
4903 * fold-const.c (tree_expr_nonzero_p): Likewise.
4904 Return true for CALL_EXPRs that are alloca calls.
4905 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
4907 * tree-flow.h (expr_computes_nonzero): Remove.
4908 * tree-vrp.c (expr_computes_nonzero): Remove.
4909 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
4910 (extract_range_from_unary_expr): Likewise.
4911 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
4912 tree_expr_nonzero_p.
4914 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
4916 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
4917 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
4918 extra arg "picreg" and use it instead of pic_offset_table_rtx.
4919 All callers changed.
4920 (frame_related_constant_load): New arg "related" which controls
4921 setting of RTX_FRAME_RELATED_P. All callers changed.
4922 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
4923 (bfin_expand_prologue): Add stack limit checking.
4924 * config/bfin/bfin.md (trapifcc): New pattern.
4926 * config/bfin/bfin.c: Include "langhooks.h".
4927 (def_builtin): Go through lang_hooks to call builtin_function.
4929 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
4930 * config/bfin/predicates.md (symbol_ref_operand): New.
4931 (call_insn_operand): Delete. All callers changed to use
4932 register_no_elim_operand.
4933 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
4935 (function_arg): Use it to generate the call's operand 2.
4936 (bfin_longcall_p): New function.
4937 (bfin_expand_call): Extra arg "cookie". All callers and declaration
4938 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
4939 determine if the address needs to be in a REG.
4940 (bfin_handle_longcall_attribute): New function.
4941 (bfin_attribute_table): Add "longcall" and "shortcall".
4942 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
4943 (CUMULATIVE_ARGS): New member call_cookie.
4944 (PREDICATE_CODES): Add symbol_ref_operand.
4945 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
4946 extra USE to the pattern.
4947 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
4948 New patterns, split off call_insn, sibcall_insn, call_value_insn and
4949 sibcall_value_insn; now the new patterns handle direct calls and the
4950 old ones indirect calls.
4951 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
4953 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
4955 * doc/trouble.texi: Update section on handling of empty loops.
4957 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
4959 * config.gcc: Remove support for sparc-*-openbsd*,
4960 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
4962 * config.host: Remove support for i860-*-sysv4* as a host.
4963 * config/i860/*, config/ip2k/*, config/ns32k/*,
4964 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
4965 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
4966 mention obsolete ports.
4968 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
4970 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
4972 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
4973 of frame_pointer_rtx.
4974 (sh_expand_epilogue): Likewise.
4975 (sh_set_return_address): Likewise.
4976 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
4977 instead of FRAME_POINTER_REGNUM if needed. Add elimination
4978 offsets from FRAME_POINTER_REGNUM.
4979 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
4980 (sh_register_names): Add initializer for sfp.
4981 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
4982 (VALID_REGISTER_P): Likewise.
4983 (FIRST_PSEUDO_REGISTER): Update.
4984 (DWARF_FRAME_REGISTERS): Define.
4985 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
4986 (HARD_FRAME_POINTER_REGNUM): Define.
4987 (FRAME_POINTER_REGNUM): Redefine.
4988 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
4989 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
4990 from FRAME_POINTER_REGNUM.
4991 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
4992 FRAME_POINTER_REGNUM.
4993 (REG_CLASS_CONTENTS): Add sfp.
4994 (REG_ALLOC_ORDER): Likewise.
4995 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
4996 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
4997 of frame_pointer_rtx.
4998 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
5000 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
5002 * fold-const.c (tree_expr_nonnegative_p): Only return true for
5003 ABS_EXPR when flag_wrapv is false because of INT_MIN.
5004 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
5006 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
5009 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
5011 Make CONSTRUCTOR use VEC to store initializers.
5012 * c-common.c (complete_array_type): Update to cope with VEC in
5014 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
5015 (pp_c_constructor_elts): New function.
5016 * c-pretty-print.h (pp_c_constructor_elts): Declare.
5017 * c-typeck.c (build_function_call, build_c_cast, digest_init,
5018 struct constructor_stack, struct initializer_stack,
5019 constructor_elements, push_init_level, pop_init_level,
5020 add_pending_init, find_init_member, output_init_element): Update to
5021 cope with VEC in CONSTRUCTOR_ELTS.
5022 * coverage.c (build_fn_info_value, build_ctr_info_value,
5023 build_gcov_info): Likewise.
5024 * expr.c (categorize_ctor_elements_1, store_constructor,
5025 expand_expr_real_1): Likewise.
5026 * fold-const.c (fold_ternary): Likewise.
5027 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
5028 gimplify_init_constructor, gimplify_expr): Likewise.
5029 * tree-dump.c (dequeue_and_dump): Likewise.
5030 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
5032 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
5034 * tree-sra.c (generate_element_init_1): Likewise.
5035 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
5036 * tree-ssa-operands.c (get_expr_operands): Likewise.
5037 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
5038 * tree-vect-transform.c (vect_get_vec_def_for_operand):
5039 (get_initial_def_for_reduction): Likewise.
5040 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
5041 value handle in annotations.
5042 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
5043 tree_node_structure): Add support for constr_kind.
5044 (build_vector_from_ctor, build_constructor_single,
5045 build_constructor_from_list): New functions.
5046 (build_constructor): Update to take a VEC instead of a TREE_LIST.
5047 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
5048 Update to cope with VEC in CONSTRUCTOR_ELTS.
5049 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
5050 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
5051 CONSTRUCTOR_APPEND_ELT): New macros.
5052 (struct constructor_elt, struct tree_constructor): New data types.
5053 (union tree_node): Add tree_constructor field.
5054 * treestruct.def: Define TS_CONSTRUCTOR.
5055 * varasm.c (const_hash_1, compare_constant, copy_constant,
5056 compute_reloc_for_constant, output_addressed_constants,
5057 initializer_constant_valid_p, output_constant,
5058 array_size_for_constructor, output_constructor): Update to cope with
5059 VEC in CONSTRUCTOR_ELTS.
5060 * vec.h (VEC_empty, VEC_copy): New macros.
5062 2005-07-19 Devang Patel <dpatel@apple.com>
5064 * dbxout.c (dbxout_type): Check Objective-C++ lang.
5066 2005-07-19 Richard Henderson <rth@redhat.com>
5069 * gimplify.c (gimplify_expr): Use main variant type for the temp
5070 destination for a discarded volatile read.
5071 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
5072 casts between non-void types that change volatility.
5074 2005-07-15 DJ Delorie <dj@redhat.com>
5076 * toplev.h: Add comment about the first parameter for warning().
5077 * errors.h: Likewise.
5079 * c.opt (Wpragmas): New.
5080 * doc/invoke.texi: Document it.
5082 * function.c (do_warn_unused_parameter): Add warning control to
5084 * c-decl.c (warn_if_shadowing): Likewise.
5085 * c-lex.c (cb_def_pragma): Likewise.
5086 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
5087 (pop_alignment): Likewise.
5088 (handle_pragma_pack): Likewise.
5089 (apply_pragma_weak): Likewise.
5090 (handle_pragma_weak): Likewise.
5091 (handle_pragma_redefine_extname): Likewise.
5092 (add_to_renaming_pragma_list): Likewise.
5093 (handle_pragma_extern_prefix): Likewise.
5094 (maybe_apply_renaming_pragma): Likewise.
5095 (handle_pragma_visibility): Likewise.
5097 * config/c4x/c4x-c.c (BAD): Likewise.
5098 (c4x_parse_pragma): Likewise.
5099 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
5100 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
5101 (rs6000_pragma_longcall): Likewise.
5102 * config/v850/v850-c.c (pop_data_area): Likewise.
5103 (ghs_pragma_section): Likewise.
5104 (ghs_pragma_section): Likewise.
5105 (ghs_pragma_interrupt): Likewise.
5106 (ghs_pragma_starttda): Likewise.
5107 (ghs_pragma_startsda): Likewise.
5108 (ghs_pragma_startzda): Likewise.
5109 (ghs_pragma_endtda): Likewise.
5110 (ghs_pragma_endsda): Likewise.
5111 (ghs_pragma_endzda): Likewise.
5113 2005-07-19 Danny Berlin <dberlin@dberlin.org>
5114 Kenneth Zadeck <zadeck@naturalbridge.com>
5116 * Makefile.in: Removed tree-promote-statics.c
5117 * tree-promote-statics.c: Removed.
5118 * common.opt: Removed flag-promote-statics.
5120 * passes.c: Removed tree-promote-statics pass.
5121 * tree-pass.h: Ditto.
5122 * timevar.def: Removed TV_PROMOTE_STATICS.
5125 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
5127 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
5129 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
5131 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5134 * c-common.c (check_function_arguments): Call
5135 'check_function_format' if either -Wformat or
5136 -Wmissing-format-attribute are specified.
5137 * c-format.c (check_function_format): Check -Wformat before
5138 calling 'check_format_info'.
5139 * c-opts.c (c_common_post_options): Don't warn for
5140 -Wmissing-format-attribute without -Wformat.
5141 * c-typeck.c (convert_for_assignment): Detect additional cases for
5142 -Wmissing-format-attribute.
5143 * doc/invoke.texi (-Wmissing-format-attribute): Document new
5146 2005-07-19 Richard Guenther <rguenther@suse.de>
5148 * config/i386/i386.md (lrint<mode>2): Use temporary
5149 instead of clobbering non-existent memory.
5151 2005-07-19 Nick Clifton <nickc@redhat.com>
5153 * config/avr/avr.c (legitimate_address_p): Fix debugging print
5154 statement to avoid displaying ASCII control characters.
5156 2005-07-19 Ben Elliston <bje@au.ibm.com>
5158 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
5159 * cfganal.c (find_edge_index): Ditto.
5160 * combine.c (combine_instructions): Ditto.
5161 * ddg.c (create_scc): Ditto.
5162 (find_successors): Ditto.
5163 (find_predecessors): Ditto.
5164 (find_nodes_on_paths): Ditto.
5165 (longest_simple_path): Ditto.
5166 * flow.c (update_life_info): Ditto.
5167 (count_or_remove_death_notes): Ditto.
5168 (clear_log_links): Ditto.
5169 * modulo-sched.c (generate_reg_moves): Ditto.
5170 (find_max_asap): Ditto.
5171 (find_max_hv_min_mob): Ditto.
5172 (find_max_dv_min_mob): Ditto.
5173 * sbitmap.c (sbitmap_first_set_bit): Ditto.
5174 * sched-rgn.c (extract_edgelst): Ditto.
5175 * tree-into-ssa.c (prepare_names_to_update): Ditto.
5176 (dump_update_ssa): Ditto.
5177 (ssa_names_to_replace) Ditto.
5178 (switch_virtuals_to_full_rewrite): Ditto.
5179 (update_ssa): Ditto.
5180 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5182 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
5184 Fix PR tree-optimization/22483
5186 * tree-complex.c (create_components): Use
5187 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5188 * tree-flow-inline.h (fill_referenced_var_vec): New function.
5189 * tree-flow.h (safe_referenced_var_iterator): New structure.
5190 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5191 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5192 safe_referenced_var iterator.
5193 (add_type_alias): Ditto.
5195 2005-07-19 Steven Bosscher <stevenb@suse.de>
5197 * loop-init.c (rest_of_handle_loop2): Remove.
5198 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5199 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5200 (pass_rtl_loop_init, pass_rtl_loop_done,
5201 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5202 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5203 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5204 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5205 pass_tree_loop_done, and pass_tree_unswitch.
5206 (gate_loop): Rename to gate_tree_loop.
5207 * passes.c (init_optimization_passes): Update for renamed tree
5208 loop passes. Add the new loop2 passes as subpasses of loop2.
5209 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5210 Update for the renamed tree loop passes.
5212 2005-07-18 Ian Lance Taylor <ian@airs.com>
5215 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5216 blocks when optimizing.
5218 2005-07-18 Steve Ellcey <sje@cup.hp.com>
5220 * common.opt (frename-registers): Initialize to 2.
5222 (fgcse-after-reload): Ditto.
5223 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5224 (process_options): Only change flag_web, flag_rename_registers,
5225 and flag_rerun_cse_after_loop if not explicitly set by user.
5227 2005-07-18 Jan Beulich <jbeulich@novell.com>
5229 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
5230 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
5231 in 64-bit mode the same as DImode in 32-bit mode.
5232 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
5233 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
5234 mode. Add new mode parameter.
5235 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
5236 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
5237 x86_64_shift_adj): New expanders.
5238 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
5239 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
5241 Respective new splitters. Use renamed shift splitter helpers in 32-bit
5242 DImode shift splitters.
5243 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
5244 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
5247 2005-07-18 Jan Beulich <jbeulich@novell.com>
5249 * i386.md (movdi_extzv_1): New.
5250 (zero_extendhidi2): Combine alternatives and never force use of
5252 (zero_extendqidi2): Likewise. Don't restrict input selection.
5254 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5256 Fix PR tree-optimization/22531
5257 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
5260 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5262 * tree-promote-statics.c (pass_promote_statics): Change dump file
5265 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5267 * tree-optimize.c (init_tree_optimization_passes): Add
5268 pass_eliminate_useless_stores pass.
5269 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
5270 * tree-ssa-pre.c (is_copy_stmt): New function.
5271 (follow_copies_till_vuse): Ditto.
5272 (do_eustores): Ditto.
5273 (gate_eustores): Ditto.
5275 2005-07-16 Richard Henderson <rth@redhat.com>
5277 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
5279 2005-07-16 Danny Berlin <dberlin@dberlin.org>
5280 Kenneth Zadeck <zadeck@naturalbridge.com>
5282 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
5283 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
5284 ipa-type-escape.h, tree-promote-statics.c
5285 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
5286 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
5287 tree-promote-statics.c: new files.
5288 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
5289 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
5290 int nonlocal_set_p, mark_constant_function): Deleted.
5291 (rest_of_handle_cfg): Removed call to mark_constant_function.
5292 (nonoverlapping_component_refs_p): Added calls to support
5293 type based aliasing.
5294 * tree-ssa-alias.c (may_alias_p,
5295 compute_flow_insensitive_aliasing): Ditto.
5296 * calls.c (flags_from_decl_or_type): Removed reference to
5298 * c-typeck.c (convert_arguments): Make builtins tolerant of having
5299 too many arguments. This is necessary for Spec 2000.
5300 * cgraph.h (const_function, pure_function): Removed.
5301 * common.opt: Added "fipa-pure-const", "fipa-reference",
5302 "fipa-type-escape", and "ftree-promote-static".
5304 * passes.c: Added ipa and tree-promote-statics passes.
5305 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
5306 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
5307 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
5308 * tree-flow.h: Added exposed sra calls and addition of
5309 reference_vars_info field for FUNCTION_DECLS.
5310 * tree-pass.h: Added passes.
5311 * tree-sra.c: (sra_init_cache): New function.
5312 (sra_insert_before, sra_insert_after) Made public.
5313 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
5315 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
5316 aliasing. (may_alias_p): Added code to use type escape analysis to
5318 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
5319 code to prune clobbers of static variables based on information
5320 produced in ipa-reference pass. Changed call clobbering so that
5321 statics are not marked as clobbered if the call does not clobber
5324 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
5326 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
5329 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5331 * doc/install.texi (*-*-solaris2*): Document recommended version
5332 of GNU binutils and mention GNU linker problem on Solaris 10.
5334 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
5337 * c-decl.c (c_build_bitfield_integer_type): New function.
5338 (finish_struct): Call it.
5339 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
5341 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5343 * c-typeck.c (digest_init): Call 'convert_for_assignment'
5346 2005-07-16 Jan Hubicka <jh@suse.cz>
5348 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
5349 (scale_bbs_frequencies_int): Watch roundoff errors.
5350 * predict.c (return_prediction): Initialize return_stmt.
5352 2005-07-16 Jan Hubicka <jh@suse.cz>
5354 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
5355 after RTL profiling.
5357 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
5360 * fold-const.c (build_range_check): Convert high/low to etype
5361 if we are only comparing against exp.
5363 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
5365 Fix PR tree-optimization/22376
5366 * tree-ssa-structalias.c (build_constraint_graph): We really meant
5368 (need_to_solve): New function.
5369 (compute_points_to_sets): Use it.
5371 2005-07-15 Jan Hubicka <jh@suse.cz>
5373 * cfg.c (update_bb_profile_for_threading): More diagnostic.
5374 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
5376 2005-07-15 Richard Guenther <rguenther@suse.de>
5378 * c-common.c (handle_flatten_attribute): New function.
5379 Add flatten function attribute.
5380 * doc/extend.texi: Document flatten function attribute.
5381 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
5382 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
5384 (cgraph_decide_inlining): Handle functions with flatten
5387 2005-07-14 David Edelsohn <edelsohn@gnu.org>
5389 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
5390 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
5391 UNSPEC_XCHG, UNSPEC_AND): New.
5392 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
5393 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
5394 * config/rs6000/sync.md (FETCHOP): New code macro.
5395 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
5397 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
5398 (sync_compare_and_swap<mode>): Same.
5399 (sync_lock_test_and_set<mode>): Same.
5400 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
5401 for QImode and HImode, and not PPC405.
5402 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
5403 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
5404 (sync_<fetchop>{si,di}_internal): New.
5405 (sync_nand{si,di}_internal): New.
5406 (sync_old_<fetchop>{si,di}_internal): New.
5407 (sync_old_nand{si,di}_internal): New
5408 (sync_new_<fetchop>{si,di}_internal): New.
5409 (sync_new_nand{si,di}_internal): New.
5410 (atomic_and{si,di}): New.
5411 (sync_new_nand{si,di}_internal): New.
5412 (atomic_and{si,di}): New.
5413 (sync_add<mode>_internal): Delete.
5414 (sync_addshort_internal): Use unspec instead of unspec_volatile.
5415 (sync_sub<mode>_internal): Delte.
5416 (sync_subshort_internal): New.
5417 (sync_andsi_internal): Use unspec instead of unspec_volatile.
5418 (sync_anddi_internal): Delete.
5419 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
5420 (sync_booldi_internal): Delete.
5421 (sync_boolc<mode>_internal): Delete.
5422 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
5423 (sync_boolc<mode>_internal2): Delete.
5424 (sync_boolcc<mode>_internal): Delete.
5425 (isync, lwsync): Use unspec instead of unspec_volatile.
5426 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
5427 Revert UNSPEC_VOLATILE.
5428 (rs6000_split_atomic_op): New.
5429 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
5431 2005-07-14 Eric Christopher <echristo@redhat.com>
5433 * config/mips/mips.c (mips_canonicalize_comparison): Cast
5434 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
5436 2005-07-14 Eric Christopher <echristo@redhat.com>
5438 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
5440 2005-07-14 Steven Bosscher <stevenb@suse.de>
5442 PR tree-optimization/22230
5443 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
5444 the computation of the four cross productions for "range op range".
5446 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
5447 Ulrich Weigand <uweigand@de.ibm.com>
5450 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
5453 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5455 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
5457 2005-07-14 Steve Ellcey <sje@cup.hp.com>
5459 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
5461 2005-07-14 Richard Guenther <rguenther@suse.de>
5464 * config/i386/i386-protos.h (ix86_function_value): Change
5465 prototype to match new target hook.
5466 * config/i386/i386.c (ix86_value_regno): Change prototype
5467 to take extra type argument.
5468 (TARGET_FUNCTION_VALUE): Define.
5469 (ix86_function_ok_for_sibcall): Pass extra argument to
5470 ix86_value_regno, check return slot rtx for exact match.
5471 (ix86_function_value): Take extra parameter. Dispatch to
5472 ix86_value_regno with fndecl/fntype as provided.
5473 (ix86_value_regno): Handle extra type argument.
5474 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
5476 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
5477 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
5478 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
5479 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
5480 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
5482 2005-07-14 Richard Guenther <rguenther@suse.de>
5484 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
5485 * calls.c (expand_call): Pass fntype to hard_function_value.
5486 (emit_library_call_value_1): Likewise.
5487 * explow.c: Include target.h.
5488 (hard_function_value): Take extra argument, the fntype.
5489 Use new target hook for function_value.
5490 * expr.h (hard_function_value): Change prototype.
5491 * function.c (aggregate_value_p): Pass 0 as fntype to
5492 hard_function_value.
5493 (assign_parms): Use new target hook for function_value.
5494 Pass 0 as fntype to hard_function_value.
5495 (expand_function_end): Likewise.
5496 * reg-stack.c: Include target.h.
5497 (stack_result): Use new target hook for function_value.
5498 * target-def.h: New target hook function_value.
5499 * target.h: Likewise.
5500 * targhooks.c (default_function_value): New function.
5501 * targhooks.h (default_function_value): Declare.
5503 2005-07-13 Ian Lance Taylor <ian@airs.com>
5505 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5507 2005-07-14 Jan Hubicka <jh@suse.cz>
5509 * tree-dfa.c (dump_variable): Use default_def function.
5510 * tree-ssa-alias.c (dump_points_to_info): Likewise.
5511 * tree-ssa.c (verify_use): Likewise.
5512 * tree-ssanames.c (release_ssa_name): Likewise.
5513 * tree-tailcall.c (eliminate_tail_call): Likewise.
5514 (tree_optimize_tail_calls_1): Likewise.
5515 * tree-vrp.c (get_value_range): Likewise.
5517 2005-07-14 Ben Elliston <bje@au.ibm.com>
5519 * gcc.c (main): Compare language[0] with '*' when iterating over
5522 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
5524 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
5525 "s390_emit_compare". Add handling of CCZ1mode.
5526 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
5527 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
5529 (s390_branch_condition_mask): Add CCZ1mode handling.
5530 * config/s390/s390.md: ("seq", "*seq"): New pattern.
5531 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
5532 Use CCZ1mode instead of CCZmode.
5533 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
5535 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
5537 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
5539 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
5541 2005-07-13 Eric Christopher <echristo@redhat.com>
5543 * config/mips/mips.c (mips_canonicalize_comparison): New.
5544 (mips_emit_int_relational): Use.
5546 2005-07-13 Eric Christopher <echristo@redhat.com>
5548 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5550 * config/s390/s390.md: Include tpf.md. Move tpf specific
5552 * config/s390/tpf.md: To here.
5553 * config/s390/s390.opt: Move tpf specific options...
5554 * config/s390/tpf.opt: to here. Add mmain option.
5555 * config/s390/tpf-unwind.h: Remove unnecessary defines.
5556 * config/s390/tpf.h: Rewrite.
5558 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
5560 * doc/tm.texi: Remove @xref{Cross-profiling}.
5562 2005-07-13 Jeff Law <law@redhat.com>
5564 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
5565 expressions, test their _DECL operands for pointer equality rather
5566 than using operand_equal_p.
5568 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
5570 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
5571 (TARGET_POSIX_IO): This.
5572 * config/darwin.h: Likewise.
5573 * config/freebsd.h: Likewise.
5574 * config/linux.h: Likewise.
5575 * config/lynx.h: Likewise.
5576 * config/netbsd.h: Likewise.
5577 * config/rs6000/linux64.h: Likewise.
5578 * config/rs6000/linux.h: Likewise.
5579 * config/s390/tpf.h: Likewise.
5580 * config/sh/embed-elf.h: Likewise.
5581 * config/sparc/linux64.h: Likewise.
5582 * config/sparc/linux.h: Likewise.
5583 * config/svr4.h: Likewise.
5584 * gcov-io.h: Likewise.
5586 * doc/tm.texi: Updated.
5588 * libgcov.c (create_file_directory): Defined only if
5589 TARGET_POSIX_IO is defined.
5590 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
5593 2005-07-13 Jan Hubicka <jh@suse.cz>
5595 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
5597 2005-07-13 David Edelsohn <edelsohn@gnu.org>
5599 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
5600 structure as argument.
5602 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
5604 PR tree-optimization/21921
5605 * tree-iterator.c (tsi_link_before): Support the case when
5606 tsi_end_p (tsi) == true.
5608 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5610 PR tree-optimization/22442
5611 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
5614 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5616 PR rtl-optimization/20376
5617 * toplev.c (process_options): Enable -fweb and -frename-registers when
5619 * doc/invoke.texi: Update the information about when -fweb and
5620 -frename-registers are enabled.
5622 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5625 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
5626 if *rhs_p is not a SSA_NAME.
5628 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
5630 Fix PR tree-optimization/22422
5631 * tree-ssa-structalias.c (struct variable_info): Add flag for
5633 (get_varinfo): Now a static function.
5634 (new_varinfo): init has_union and is_special_var to false.
5635 (solution_set_add): Check has_union.
5636 (do_da_constraint): Move temporary variable so it gets reset
5638 Also check for special variable.
5639 (do_ds_constraint): Ditto.
5640 (do_sd_constraint): Ditto.
5641 (do_structure_copy): Check for special variable.
5642 (find_func_aliases): Ditto.
5643 (init_base_vars): Set special vars properly.
5645 2005-07-13 Jan Hubicka <jh@suse.cz>
5647 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
5650 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
5651 (get_expr_operands): Fix thinko wrt flags and subvars.
5653 PR tree-optimize/22379
5654 * tree-inline.c (expand_call_inline): Do not output sorry in early
5657 2005-07-12 Dale Johannesen <dalej@apple.com>
5659 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
5661 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5664 * host-linux.h: Include limits.h.
5666 2005-07-12 Dale Johannesen <dalej@apple.com>
5668 * expr.c (compress_float_constant): Add cost check.
5669 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
5671 2005-07-12 Dale Johannesen <dalej@apple.com>
5673 * gcc.target/i386/compress-float-sse.c: New.
5674 * gcc.target/i386/compress-float-sse-pic.c: New.
5675 * gcc.target/i386/compress-float-387.c: New.
5676 * gcc.target/i386/compress-float-387-pic.c: New.
5677 * gcc.dg/compress-float-ppc.c: New.
5678 * gcc.dg/compress-float-ppc-pic.c: New.
5680 2005-07-12 Eric Christopher <echristo@redhat.com>
5682 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5684 * config/s390/s390.md: Include tpf.md. Move tpf specific
5686 * config/s390/tpf.md: To here.
5687 * config/s390/s390.opt: Move tpf specific options...
5688 * config/s390/tpf.opt: to here. Add mmain option.
5689 * config/s390/tpf-unwind.h: Remove unnecessary defines.
5690 * config/s390/tpf.h: Rewrite.
5692 2005-07-12 Eric Christopher <echristo@redhat.com>
5694 * gcc.c (struct infile): Update comment for language.
5695 (main): Rewrite input file resetting code.
5697 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5700 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
5701 requiring a cast in a non RHS of modify_expr. Add a cast when required.
5702 (lookup_avail_expr): Use constant_boolean_node instead
5703 of boolean_false_node/boolean_true_node.
5705 2005-07-12 Ben Elliston <bje@au.ibm.com>
5707 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
5708 and use it when printing num_edges.
5710 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
5712 * doc/extend.texi (Blackfin Built-in Functions): New section.
5713 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
5716 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
5718 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
5719 s/cmpstrsi/cmpstrnsi
5720 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
5722 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
5723 (init_optabs): Initialize cmpstrn_optab.
5724 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
5725 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
5726 * expr.c: (enum insn_code cmpstrn_optab): Declare.
5727 * config/i386/i386.md: s/cmpstr/cmpstrn
5728 * config/c4x/c4x.md: s/cmpstr/cmpstrn
5729 * doc/md.texi: Update documentation.
5731 2005-07-11 Richard Henderson <rth@redhat.com>
5733 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
5734 build_va_arg_indirect_ref.
5735 (alpha_gimplify_va_arg): Likewise.
5736 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
5737 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5738 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
5739 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5740 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5741 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
5743 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5745 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5747 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
5748 * passes.c (init_optimization_passes): Add pass_empty_loop.
5749 * tree-pass.h (pass_empty_loop): Declare.
5750 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
5751 try_remove_empty_loop, remove_empty_loops): New functions.
5752 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
5753 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
5755 2005-07-12 Peter Barada <peter@the-baradas.com>
5759 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
5760 in address registers.
5761 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
5762 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
5763 alternative of addsi3_5200.
5765 2005-07-11 Ian Lance Taylor <ian@airs.com>
5767 * config/mips/mips.md (ffs<mode>2): Remove.
5769 2005-07-11 Ian Lance Taylor <ian@airs.com>
5771 * doc/tree-ssa.texi (Cleanups): Improve description of
5773 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
5775 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
5777 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
5778 * tree.h (DECL_ARGUMENT_FLD): New macro.
5780 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
5782 Fix PR tree-optimization/22404
5784 * tree-ssa-structalias.c (create_variable_info_for): Use
5787 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
5789 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
5790 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
5791 for second comparison operand.
5792 * config/bfin/predicates.md (reg_or_const_int_operand): New.
5794 * config/bfin/bfin.md (define_attr "type"): Add "sync".
5795 (define_insn_reservation "alu"): Likewise.
5796 (csync, ssync): Now of type sync.
5797 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
5798 -mcsync-anomaly -mspecld-anomaly.
5799 * config/bfin/bfin.opt (mcsync): Remove.
5800 (mcsync-anomaly, mspecld-anomaly): Add.
5801 * config/bfin/bfin.c: Include "insn-codes.h".
5802 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
5803 (TARGET_DEFAULT_TARGET_FLAGS): New.
5804 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
5806 2005-07-11 Steven Bosscher <stevenb@suse.de>
5808 * basic-block.h: Give the BB flags enum a name, bb_flags.
5809 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
5810 * cfgcleanup.c (enum bb_flags): Remove here.
5811 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
5812 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
5813 (update_forwarder_flag): Likewise.
5814 (thread_jump): Likewise.
5815 (try_forward_edges): Likewise.
5816 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
5817 forwarder flags. Don't clear bb->aux for all basic blocks. Only
5818 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
5820 2005-07-11 Richard Guenther <rguenther@suse.de>
5822 * config/i386/i386.opt: New target option -msseregparm.
5823 * config/i386/i386.c (override_options): Error out for
5824 -msseregparm but no SSE support.
5825 (ix86_function_sseregparm): Check for global sseregparm.
5826 * doc/invoke.texi: Document -msseregparm.
5828 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5830 * config.gcc (m32r-*-linux*): Use the default extra_parts.
5831 (m32rle-*-linux*): Ditto.
5833 2005-07-11 Jakub Jelinek <jakub@redhat.com>
5835 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
5836 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
5839 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5843 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
5844 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
5846 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
5848 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
5849 (varmap): Heapify varmap.
5850 (constraints): Heapify constraints.
5851 (struct constraint_graph): Heapify succs and preds.
5852 (constraint_vec_find): Update for heapification.
5853 (constraint_set_union): Ditto.
5854 (insert_into_complex): Ditto.
5855 (constraint_edge_vec_find): Ditto.
5856 (erase_graph_self_edge): Ditto.
5857 (add_graph_edge): Ditto.
5858 (get_graph_weights): Ditto.
5859 (merge_graph_nodes): Ditto.
5860 (build_constraint_graph): Ditto.
5861 (topo_visit): Ditto.
5862 (solve_graph): Ditto.
5863 (create_variable_info_for): Ditto.
5864 (init_base_vars): Ditto.
5865 (delete_points_to_sets): Free graph, varmap, and complex constraints.
5866 (condese_varmap_nodes): Free complex vector.
5867 (clear_edges_for_node): Clear succs and preds vector.
5869 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
5871 * tree-ssa-structalias.c (update_alias_info): Change counting of
5872 references to not include vdefs.
5874 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
5876 * tree-ssa-alias.c (free_used_part_map): Add missing free.
5879 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5881 * pa.c (pa_commutative_p): Make PLUS commutative when
5882 TARGET_NO_SPACE_REGS is true.
5884 2005-07-09 Diego Novillo <dnovillo@redhat.com>
5886 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
5887 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
5888 * tree-dfa.c (dump_subvars_for): New.
5889 (debug_subvars_for): New.
5890 (dump_variable): Show subvariables if VAR has them.
5891 * tree-flow-inline.h (get_subvar_at): New.
5892 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
5893 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
5895 (struct subvar): Change fields offset and size to unsigned
5897 (dump_subvars_for): Declare.
5898 (debug_subvars_for): Declare.
5899 (get_subvar_at): Declare.
5900 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
5901 to unsigned HOST_WIDE_INT *.
5902 (overlap_subvar): Likewise.
5903 * tree-gimple.c (is_gimple_reg): Always return false for
5904 SFTs and memory tags.
5905 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
5907 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
5908 (compute_may_aliases): Call compute_points_to_sets.
5909 (collect_points_to_info_for): Remove.
5910 (compute_points_to_and_addr_escape): Remove.
5911 (delete_alias_info): Call delete_points_to_sets.
5912 (compute_flow_sensitive_aliasing): If the call to
5913 find_what_p_points_to returns false, call set_pt_anything.
5914 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
5915 (set_pt_anything): Clear pi->pt_vars.
5916 (set_pt_malloc): Remove.
5917 (merge_pointed_to_info): Remove.
5918 (add_pointed_to_expr): Remove.
5919 (add_pointed_to_var): Remove.
5920 (collect_points_to_info_r): Remove.
5921 (is_escape_site): Make extern.
5923 (create_overlap_variables_for): Call it.
5924 * tree-ssa-copy.c (merge_alias_info): Never merge
5925 flow-sensitive alias information.
5926 * tree-ssa-operands.c (get_expr_operands): Adjust variables
5927 offset and size to be unsigned HOST_WIDE_INT.
5928 (add_to_addressable_set): Rename from note_addressable.
5929 Set TREE_ADDRESSABLE as the variables are added to the set.
5931 (add_stmt_operand): Do not try to micro-optimize unmodifiable
5932 operands into VUSEs when adding V_MAY_DEFs for members in an
5934 * tree-ssa-operands.h (add_to_addressable_set): Declare.
5935 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
5936 (struct variable_info): Add bitfield is_heap_var.
5937 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
5938 (new_var_info): Initialize is_heap_var.
5939 (get_constraint_for): Add HEAP variables to the symbol table.
5940 Mark them with is_heap_var.
5941 (update_alias_info): New. Taken mostly from the old
5942 compute_points_to_and_addr_escape.
5943 (handle_ptr_arith): New.
5944 (find_func_aliases): Call update_alias_info.
5945 Call handle_ptr_info for tcc_binary expressions.
5946 Call mark_stmt_modified.
5947 (create_variable_info_for): If DECL has subvars, do not create
5948 variables for its subvars. Always add all the fields.
5949 (set_uids_in_ptset): If the solution includes ANYOFFSET and
5950 SFTs, then add all the SFTs of the structure.
5951 If VI->DECL is an aggregate with subvariables, add the SFT at
5953 (find_what_p_points_to): If VI is an artificial variable,
5954 translate to bitfields in SSA_NAME_PTR_INFO.
5955 If the solution is empty, set pi->pt_vars to NULL
5956 (init_base_vars): Create ANYOFFSET.
5957 (compute_points_to_sets): Rename from create_alias_vars.
5959 (pass_build_pta): Remove.
5960 (delete_points_to_sets): Rename from delete_alias_vars.
5961 (pass_del_pta): Remove.
5962 * tree-ssa-structalias.h (struct alias_info): Move from
5964 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
5965 NUM_REFERENCES_SET): Likewise.
5966 (compute_points_to_sets, delete_points_to_sets): Declare.
5968 2005-07-09 Richard Henderson <rth@redhat.com>
5970 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
5971 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
5972 alpha_split_lock_test_and_set_12): New functions.
5973 * config/alpha/alpha-protos.h: Update.
5974 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
5975 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
5976 * config/alpha/sync.md (I12MODE): New.
5977 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
5978 (sync_<fetchop_name><I48MODE>): Likewise.
5979 (sync_nand<I48MODE>): Likewise.
5980 (sync_old_<fetchop_name><I48MODE>): Likewise.
5981 (sync_new_<fetchop_name><I48MODE>): Likewise.
5982 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
5983 (sync_compare_and_swap<I48MODE>): Likewise.
5984 (sync_lock_test_and_set<I48MODE>): Likewise.
5985 (sync_compare_and_swap<I12MODE>): New.
5986 (sync_compare_and_swap<I12MODE>_1): New.
5987 (sync_lock_test_and_set<I12MODE>): New.
5988 (sync_lock_test_and_set<I12MODE>_1): New.
5990 2005-07-09 Diego Novillo <dnovillo@redhat.com>
5994 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
5996 2005-07-09 Jakub Jelinek <jakub@redhat.com>
5998 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
5999 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
6001 2005-07-09 Richard SAndiford <richard@codesourcery.com>
6004 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6006 2005-07-08 David Edelsohn <edelsohn@gnu.org>
6008 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
6009 memory_operand constraint.
6010 (store_conditional_<mode>): Same.
6011 (sync_compare_and_swap<mode>): Same.
6012 (sync_lock_test_and_set<mode>): Same.
6014 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
6016 Rewrite PIC support to more closely model actual instructions.
6017 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
6018 (cris_symbol): Remove prototypes for removed functions.
6019 (cris_pic_symbol_type_of, cris_valid_pic_const)
6020 (cris_expand_pic_call_address): Prototypes for new functions.
6021 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
6023 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
6025 <case ':'>: Add case for new punctuation character.
6026 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
6027 emitting (extra) PIC modifier.
6028 <case UNSPEC>: Do not assert for PLT.
6029 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
6030 (cris_expand_prologue, cris_expand_epilogue): Check
6031 for pic_offset_table_rtx usage instead of taking
6032 current_function_uses_pic_offset_table as the final word.
6033 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
6034 Remove flag_pic difference.
6035 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
6036 the moral equivalents of...
6037 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
6039 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
6040 (cris_handle_option): Mark ARG as unused.
6041 (cris_expand_pic_call_address): New worker function for "call",
6043 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
6044 output PIC constructs here.
6045 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
6046 as symbol-specific modifers, not whole or part of operands.
6047 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
6048 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
6049 constants and flag_pic.
6050 (CONSTANT_INDEX_P): Adjust for new functions.
6051 (enum cris_pic_symbol_type): New helper type.
6052 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
6053 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
6054 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
6056 ("movsi"): Emit actual instructions for GOT and relative access.
6057 ("*movsi_got_load"): New pattern to set up the register holding
6059 ("*movsi_internal"): Operand 1 is not a plain general_operand.
6060 Adjust FIXME for 'S'.
6061 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
6062 Use "movs" for -fpic cases.
6063 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
6064 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
6065 ("call", "call_value"): Just call cris_expand_pic_call_address for
6067 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
6068 Remove special pattern.
6069 ("*expanded_call_side", "*expanded_call_value_side"): New
6071 (gotplt-to-plt, gotplt-to-plt-side-call)
6072 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
6074 * config/cris/cris/predicates.md
6075 ("cris_general_operand_or_gotless_symbol"): Remove unused
6077 ("cris_general_operand_or_symbol"): Adjust for new functions.
6079 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6081 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
6083 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
6085 * Makefile.in (TREE_H): Add treestruct.def.
6086 (c-decl.o): Add pointer-set.h
6087 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
6088 visibility on regular DECL's.
6089 (merge_decls): Fix the copying of decl nodes of various types for
6090 the new structures. Don't update RTL, section name, weak status,
6091 etc, on DECL's without RTL.
6092 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
6093 Don't check volatile on non-variable types.
6094 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
6095 to check whether we have seen arguments.
6096 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
6097 flag is checked before field (flag is common, field is not).
6098 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
6099 TS_DECL_COMMON could have an origin.
6100 (add_location_or_const_value_attribute): Don't check section name
6101 on non-var/function decls.
6102 (dwarf2out_var_location): Reverse order of tests.
6103 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
6104 with DECL_WRTL_CHECK.
6105 * expmed.c (make_tree): rtl is now in decl_with_rtl.
6106 * fold-const.c (fold_binary): Don't check weakness on
6107 non-var/function decls.
6108 (tree_expr_nonzero_p): Ditto.
6109 (fold_checksum_tree): Use tree_decl_extra as sizeof
6111 * ggc-page.c (extra_order_size_table): Add sizes for
6112 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
6114 * gimplify.c (gimplify_bind_expr): Only set
6115 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
6116 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
6118 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
6119 * langhooks.h (init_ts). New langhook.
6120 * passes.c (rest_of_decl_compilation): Reverse order of tests.
6121 * print-tree.c (print_node): Update to only print fields that
6122 exist in the structures the passed decl has.
6123 * toplev.c (wrapup_global_declarations): Don't reset
6124 DECL_DEFER_OUTPUT on DECL's that don't contain it.
6125 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
6126 * tree-inline.c (remap_decl): Ditto.
6127 * tree-outof-ssa.c (create_temp): Reverse order of tests.
6128 * tree-pretty-print.c (print_declaration): Don't print
6129 DECL_REGISTER on things that don't contain it.
6130 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
6131 non-var/function decls.
6132 * tree.c (tree_contains_struct): New structure.
6133 (init_priority_for_decl): New hashtable.
6134 (tree_int_map): New structure.
6135 (tree_int_map_eq): New function.
6136 (tree_int_map_marked_p): Ditto.
6137 (tree_int_map_hash): Ditto.
6138 (tree_map): Move to tree.h.
6139 (tree_map_eq): Externalize.
6140 (tree_map_hash): Ditto.
6141 (tree_map_marked_p): Ditto.
6142 (init_ttree): Set up tree_contains_struct and call langhook.
6143 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
6144 (tree_code_size): Update for new structures.
6145 (tree_node_structure): Update for new structures.
6146 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
6148 (copy_node_stat): Copy init priority.
6149 (build_decl_stat): Ditto for visibility.
6150 (ts_enum_names): New.
6151 (tree_contains_struct_check_failed): New function.
6152 (decl_init_priority_lookup): Ditto.
6153 (decl_init_priority_insert): Ditto.
6154 * treestruct.def: New file.
6155 * tree.h (CODE_CONTAINS_STRUCT): New macro.
6156 (CONTAINS_STRUCT_CHECK): Ditto.
6157 (tree_contains_struct_check_failed): New prototype.
6158 (DECL_CHECK): Removed.
6159 (DECL_MINIMAL_CHECK): New.
6160 (DECL_COMMON_CHECK): Ditto.
6161 (DECL_WRTL_CHECK): Ditto.
6162 (DECL_NON_COMMON_CHECK): Ditto.
6163 (DECL_WITH_VIS_CHECK): Ditto.
6164 (VAR_OR_FUNCTION_DECL_P): Ditto
6165 (struct tree_decl_minimal): New structure.
6166 (struct tree_decl_common): Ditto.
6167 (struct tree_decl_with_rtl): Ditto.
6168 (struct tree_decl_with_vis): Ditto.
6169 (struct tree_decl_non_common): Ditto.
6170 (struct tree_field_decl): Ditto.
6171 (struct tree_parm_decl): Ditto.
6172 (struct tree_var_decl): Ditto.
6173 (struct tree_function_decl): Ditto.
6174 (struct tree_const_decl): Ditto.
6175 (struct tree_result_decl): Ditto.
6176 (union tree_node): Add new structures.
6177 * var-tracking.c (track_expr_p): Reverse order of tests.
6179 * doc/c-tree.texi: Add documentation on DECL node internal structure.
6181 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6183 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6184 * system.h: Poison FINALIZE_PIC.
6185 * doc/tm.texi (FINALIZE_PIC): Remove.
6187 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6190 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6191 to the correct type if we have a MODIFY_EXPR.
6193 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6195 PR tree-optimization/22360
6196 * tree.c (upper_bound_in_type): Fix calculations for casting
6197 to a non-wider signed type and casting a signed value to a
6198 wider unsigned type.
6199 (lower_bound_in_type): Fix calculations for casting to a
6200 non-wider signed type.
6202 PR tree-optimization/20139
6203 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6205 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6206 fold_cond_expr_cond.
6207 * tree-ssanames.c (release_defs): Assert in_ssa_p.
6208 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6210 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6213 * tree-complex.c (expand_complex_libcall): Produce
6214 REALPART_EXPR/IMAGPART_EXPR with the correct type.
6216 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
6218 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6219 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6220 b" assert and inserted fastpath code for this case.
6221 (bitmap_ior): Removed "a != b" assert.
6223 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6225 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6226 (ENDFILE_SPEC): Likewise.
6227 * config/m32r/m32r.h (ASM_SPEC): Likewise.
6229 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
6230 a large stack frame at epilogue.
6232 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
6234 * final.c: Include sdbout.h when required.
6236 2005-07-07 Geoffrey Keating <geoffk@apple.com>
6238 * config.gcc (*-*-darwin*): Only one target-specific header file
6240 (powerpc-*-darwin*): Add version-specific header files.
6241 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
6242 * config.in: Regenerate.
6243 * configure: Regenerate.
6244 * gcc.c: Include xregex.h.
6245 (version_compare_spec_function): New.
6246 (spec_function): Add version-compare.
6247 (replace_outfile_spec_function): Reformat comment.
6248 (compare_version_strings): New.
6249 * config/darwin-c.c (version_as_macro): New.
6250 (builtin_define): New.
6251 (darwin_cpp_builtins): New.
6252 * config/darwin-protos.h (darwin_cpp_builtins): New.
6253 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
6254 (LIB_SPEC): Make unconditional, update comment.
6255 (TARGET_C99_FUNCTIONS): Define.
6256 * config/darwin.opt: Sort.
6257 (mmacosx-version-min=): New.
6258 * config/darwin7.h: Delete.
6259 * config/darwin8.h: Delete.
6260 * config/i386/darwin.h (): Call darwin_cpp_builtins.
6261 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
6262 (TARGET_C99_FUNCTIONS): Define.
6263 * config/rs6000/darwin7.h: New.
6264 * config/rs6000/darwin8.h: New.
6265 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
6266 (-mmacosx-version-min): Document.
6268 2005-07-07 Ian Lance Taylor <ian@airs.com>
6270 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
6272 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
6275 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
6277 2005-07-07 Khem Raj <kraj@mvista.com>
6279 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
6280 in bytes, not words.
6282 2005-07-07 Paul Brook <paul@codesourcery.com>
6284 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
6285 DEFAULT_FUNCTION_ARG_PADDING to upward.
6287 2005-07-07 Richard Henderson <rth@redhat.com>
6289 * function.c (locate_and_pad_parm): Record parameter alignment in
6290 stack_alignment_needed.
6292 2005-07-07 David Edelsohn <edelsohn@gnu.org>
6294 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
6295 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
6296 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
6297 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
6298 (define_attr "type"): Add isync, sync, load_l, store_c.
6299 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
6300 Create scratch volatile MEM.
6301 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
6303 (load_locked_<mode>): New.
6304 (store_conditional_<mode>): New.
6305 (sync_compare_and_swap<mode>): Replace with splitter.
6306 (sync_lock_test_and_set<mode>): Replace with splitter.
6307 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
6309 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
6310 is ics. Attribute isync.
6311 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
6313 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
6314 and UNSPECV_SYNC_OP.
6315 (emit_unlikely_jump): New.
6316 (emit_load_locked): New.
6317 (emit_store_conditional): New.
6318 (rs6000_split_compare_and_swap): New.
6319 (rs6000_split_lock_test_and_set): New.
6320 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
6321 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
6322 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
6323 rs6000_split_lock_test_and_set): Declare.
6324 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
6325 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
6326 store_c, isync, sync.
6328 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
6330 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
6331 filenames to gtyp-gen.h.
6332 (s-typ-gen): Use it in place of for loops.
6334 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
6336 * hooks.c (hook_bool_rtx_int_false): New function.
6337 * hooks.h (hook_bool_rtx_int_false): Declare.
6338 * target-def.h (TARGET_COMMUTATIVE_P): Define.
6339 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
6340 * target.h (struct gcc_target): Add commutative_p member.
6341 * targhooks.c (hook_bool_rtx_commutative_p): New function.
6342 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
6343 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
6344 (pa_commutative_p): New function.
6345 * jump.c (target.h): Include.
6346 (rtx_renumbered_equal_p): Use targetm.commutative_p.
6347 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
6349 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6351 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
6352 (s390_expand_setmem): New.
6353 * config/s390/s390.c: Likewise.
6354 (print_shift_count_operand): Truncate to 12 bits instead of 6.
6356 * config/s390/s390.md: ("setmem<mode>"): Accept character as
6357 general_operand. Call new function "s390_expand_setmem".
6358 ("clrmem_long", "*clrmem_long"): Rewrite to ...
6359 ("setmem_long", "*setmem_long"): ... this.
6361 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6363 * config/s390/s390.c: (optimization_options): Enable
6364 TARGET_MVCLE at -Os.
6365 * doc/invoke.texi: Document changes in default behaviour.
6366 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
6368 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6370 * expr.c: (set_storage_via_setmem): Convert opchar to mode
6371 defined by back-end.
6373 2005-07-07 Jakub Jelinek <jakub@redhat.com>
6375 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
6376 all sets in the pattern.
6377 * config/rs6000/rs6000.md (stack_protect_testsi,
6378 stack_protect_testdi): Likewise.
6380 2005-07-06 Jeff Law <law@redhat.com>
6382 * tree-vrp.c (simplify_using_ranges): Kill.
6383 (vrp_finalize): Remove call to simplify_using_ranges.
6384 (simplify_stmt_using_ranges): New function extracted from
6385 simplify_using_ranges.
6386 (simplify_div_or_mod_using_ranges): Likewise.
6387 (simplify_abs_using_ranges): Likewise.
6388 (simplify_cond_using_ranges): New function.
6389 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
6390 * tree-ssa-propagate.c (substitute_and_fold): Call
6391 simplify_stmt_using_ranges if we have range information.
6393 2005-07-06 James E. Wilson <wilson@specifixinc.com>
6395 * config/ia64/ia64.c (ia64_reorg): Check optimize before
6396 ia64_flag_schedule_isns2.
6398 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
6399 reading/writing general registers.
6400 (ia64_function_arg): Revert 2005-06-18 change.
6402 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
6404 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
6405 (legitimize_tls_address): Use gcc_unreachable instead of abort.
6407 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
6409 * function.c (expand_function_end): Revert part of 2005-06-27
6410 patch. Do sjlj_emit_function_exit_after after return_label.
6412 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
6414 * doc/install.texi (--disable-libssp): New.
6416 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
6418 * doc/invoke.texi: Update -fforce-mem documentation.
6419 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
6420 code for -fforce-mem.
6421 * expmed.c: (store_bit_field,store_fixed_bit_field,
6422 extract_bit_field): Ditto.
6423 * expr.c: (convert_move): Ditto.
6424 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
6425 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
6426 emit_conditional_add,expand_float,expand_fix): Ditto.
6427 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
6428 (common_handle_option): Issue warning when -fforce-mem specified.
6430 2005-07-06 Paul Brook <paul@codesourcery.com>
6432 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
6434 * configure: Regenerate.
6436 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
6438 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
6440 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
6442 Fix PR tree-optimization/22319
6443 Fix PR tree-optimization/22140
6444 Fix PR tree-optimization/22310
6446 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
6447 variable sized types.
6448 Use correct type for intermediate structure on *a = *b structure
6451 2005-07-06 Jakub Jelinek <jakub@redhat.com>
6453 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
6455 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
6456 (machine_function): Move typedef to...
6457 * config/rs6000/rs6000.c (machine_function): ... here. Add
6458 varargs_save_offset field.
6459 (rs6000_stack_t): Remove varargs_size field.
6460 (setup_incoming_varargs): Allocate varargs save area using
6461 assign_stack_local, try to make it as small as possible.
6462 Save offset from virtual_stack_vars_rtx to the save area
6463 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
6464 instead of magic 8 when fp word byte size is used.
6465 (rs6000_va_start): Use cfun->machine->varargs_save_offset
6466 instead of -RS6000_VARARGS_SIZE.
6467 (rs6000_stack_info, debug_stack_info,
6468 rs6000_initial_elimination_offset): Remove all traces of
6470 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
6471 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
6472 RS6000_VARARGS_AREA.
6474 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6476 PR tree-optimization/21963
6477 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
6478 constant_multiple_of in the same way get_computation_cost_at does.
6480 2005-07-06 Jakub Jelinek <jakub@redhat.com>
6482 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
6483 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
6484 (gen_compare_reg): If sparc_compare_emitted is set, clear it
6485 and return its previous value.
6486 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
6487 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
6489 (stack_protect_set, stack_protect_test): New expanders.
6490 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
6491 stack_protect_testdi): New insns.
6492 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6493 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
6495 2005-07-06 Jeff Law <law@redhat.com>
6497 * tree-ssa-dce.c (cfg_altered): New global.
6498 (tree_dce_init): Initialize cfg_altered.
6499 (remove_dead_stmt): If we remove an edge in the CFG, then set
6501 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
6504 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
6506 * Makefile.in (stamp-collect-ld): Use
6507 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
6508 ./collect-ld if it already exists.
6509 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
6510 Don't remove ./nm if it already exists.
6512 2005-07-05 Devang Patel <dpatel@apple.com>
6514 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
6515 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
6516 * tree-vectorizer.c (vect_loop_location): New.
6517 (vect_print_dump_info): Use vect_loop_location.
6518 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
6519 (vectorize_loops): Set vect_loop_location.
6520 * tree-vect-analyze.c (vect_analyze_offset_expr,
6521 vect_determin_vectorization_factor, vect_analyze_operations,
6522 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
6523 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
6524 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
6525 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
6526 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
6527 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
6528 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
6529 vect_analyze_loop): Adjust vect_print_dump_info API.
6530 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6531 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
6532 vect_finish_stmt_generation, vectorizable_assignment,
6533 vectorizable_operation, vectorizable_store, vectorizable_load,
6534 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
6535 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
6536 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
6537 vect_transform_loop): Same.
6538 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
6539 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
6542 2005-07-05 Randolph Chung <tausq@debian.org>
6544 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
6545 * configure: Regenerate.
6546 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
6547 (pa_tls_referenced_p): Declare.
6548 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
6549 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
6550 (legitimize_tls_address): New.
6551 (hppa_legitimize_address): Handle TLS addresses.
6552 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
6553 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6554 (emit_move_sequence): Handle TLS addresses.
6555 (pa_encode_section_info): Call default handler to handle common
6557 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
6558 (CONSTANT_ADDRESS_P): Reject TLS operands.
6559 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
6560 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
6561 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
6562 (UNSPEC_TLSLE): Define new constants.
6563 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
6564 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
6565 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
6566 (tie_symbolic_operand, tle_symbolic_operand): New
6568 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
6570 * aclocal.m4: Update macros for autoconf 2.59 style.
6571 * configure.ac: Likewise.
6573 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6575 * pa.c (function_value): Handle small aggregates on 32-bit targets.
6576 (function_arg): Pass small aggregates in general registers on 32-bit
6578 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
6580 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
6582 * Makefile.in (final.o): Fix dependencies.
6584 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
6588 * langhooks.h (struct lang_hooks): Add expr_to_decl.
6589 * langhooks.c (lhd_expr_to_decl): New.
6590 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
6592 (LANG_HOOKS_INITIALIZER): Update.
6593 * tree.c (recompute_tree_invarant_for_addr_expr): Call
6594 expr_to_decl langhook.
6595 * c-tree.h (c_expr_to_decl): Declare.
6596 * c-typeck.c (c_expr_to_decl): New.
6597 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
6599 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
6601 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
6604 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
6605 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
6607 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
6609 * Makefile.in: Adjust dependencies.
6610 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
6611 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
6612 * alias.c (rest_of_handle_cfg, pass_cfg): New.
6613 * bb-reorder.c (duplicate_computed_gotos): Make it static.
6614 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
6615 rest_of_compilation.
6617 * bb-reorder.c (gate_duplicate_computed_gotos,
6618 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
6619 rest_of_handle_reorder_blocks, pass_reorder_blocks,
6620 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
6621 pass_partition_blocks): New.
6622 * bt-load.c (gate_handle_branch_target_load_optimize,
6623 rest_of_handle_branch_target_load_optimize,
6624 pass_branch_target_load_optimize): New.
6625 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
6627 * cfglayout.c (pass_insn_locators_initialize): New.
6628 * cfgrtl.c (pass_free_cfg): New.
6629 * combine.c (gate_handle_combine, rest_of_handle_combine,
6631 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
6632 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
6633 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
6634 * except.c (pass_set_nothrow_function_flags,
6635 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
6637 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
6638 rest_of_handle_shorten_branches, pass_shorten_branches,
6639 rest_of_clean_state, pass_clean_state): New.
6640 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
6641 rest_of_handle_remove_death_notes, pass_remove_death_notes,
6642 rest_of_handle_life, pass_life, rest_of_handle_flow2,
6644 * function.c (pass_instantiate_virtual_regs, pass_init_function,
6645 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
6646 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
6647 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
6649 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
6650 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
6651 pass_rtl_ifcvt, gate_handle_if_after_combine,
6652 rest_of_handle_if_after_combine, pass_if_after_combine,
6653 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
6654 pass_if_after_reload): New.
6655 * integrate.c (pass_initial_value_sets): New.
6656 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
6657 pass_purge_lineno_notes): New.
6658 * mode-switching.c (rest_of_handle_mode_switching,
6659 pass_mode_switching): New.
6660 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
6661 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
6663 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
6664 pass_loop_optimize): New.
6665 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
6667 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
6669 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
6670 pass_postreload_cse): New.
6671 * profile.c (gate_handle_profiling, pass_profiling,
6672 rest_of_handle_branch_prob, pass_branch_prob): New.
6673 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
6674 pass_split_before_regstack, gate_handle_split_before_regstack,
6675 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
6676 rest_of_handle_split_all_insns, pass_split_all_insns): New.
6677 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
6678 pass_stack_regs): New.
6679 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
6680 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
6681 pass_stack_adjustments): New.
6682 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
6683 pass_regrename): New.
6684 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
6685 pass_delay_slots, gate_handle_machine_reorg,
6686 rest_of_handle_machine_reorg, pass_machine_reorg): New.
6687 * rtl.h (extern void purge_line_number_notes): New.
6688 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
6689 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
6691 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
6693 * value-prof.c (gate_handle_value_profile_transformations,
6694 rest_of_handle_value_profile_transformations,
6695 pass_value_profile_transformations): New.
6696 * var-tracking.c (gate_handle_var_tracking,
6697 pass_variable_tracking): New.
6698 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
6700 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
6701 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
6702 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
6703 rest_of_handle_old_regalloc, rest_of_handle_regrename,
6704 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
6705 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
6706 rest_of_handle_gcse2, rest_of_handle_regmove,
6707 rest_of_handle_tracer, rest_of_handle_if_conversion,
6708 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
6709 rest_of_handle_web, rest_of_handle_branch_prob,
6710 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
6711 rest_of_handle_jump_bypass, rest_of_handle_combine,
6712 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6713 rest_of_handle_gcse, rest_of_handle_loop_optimize,
6714 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
6715 rest_of_handle_mode_switching, rest_of_handle_jump,
6716 rest_of_handle_eh, rest_of_handle_stack_adjustments,
6717 rest_of_handle_flow2, rest_of_handle_jump2,
6718 rest_of_handle_peephole2, rest_of_handle_postreload,
6719 rest_of_handle_shorten_branches, rest_of_clean_state,
6720 rest_of_compilation): Remove.
6722 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
6723 * passes.c (dump_flags, in_gimple_form, all_passes,
6724 all_ipa_passes, all_lowering_passes, register_one_dump_file,
6725 register_dump_files, next_pass_1, last_verified, execute_todo,
6726 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
6727 from tree-optimize.c.
6728 (init_optimization_passes): Moved from tree-optimize.c,
6729 adding the RTL optimizations.
6730 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
6731 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
6732 all_ipa_passes, all_lowering_passes, register_one_dump_file,
6733 register_dump_files, next_pass_1, last_verified, execute_todo,
6734 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
6735 init_tree_optimization_passes, ipa_passes): Delete.
6736 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
6738 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
6739 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
6741 (ipa_passes): Remove.
6742 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
6743 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
6744 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
6745 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
6746 (dump_info_p, dump_flag): Moved to tree-dump.h.
6748 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
6750 * passes.c (finish_optimization_passes): Use dump_begin
6751 and dump_end, TDI_end.
6752 (gate_rest_of_compilation): New.
6753 (pass_rest_of_compilation): Use it.
6754 (gate_postreload, pass_postreload): New.
6755 * toplev.c (general_init): Rename init_tree_optimization_passes.
6756 * toplev.h (init_tree_optimization_passes): Rename to
6757 init_optimizations_passes.
6758 * tree-dump.c (dump_flag): Make static.
6759 (dump_files): Remove RTL dumps.
6760 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
6761 pass_cleanup_cfg, pass_free_cfg_annotations,
6762 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
6763 pass_init_datastructures, pass_fixup_cfg): Make non-static.
6764 * tree-pretty-print.c: Include tree-pass.h.
6765 * cgraph.c: Include tree-dump.h.
6767 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
6769 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
6770 Only fall back to saying it points to readonly memory if
6773 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6775 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
6776 * config/m32r/m32r.c (m32r_compute_frame_size,
6777 m32r_expand_prologue): Take current_function_profile into
6778 account whenever we reference
6779 current_function_uses_pic_offset_table.
6780 (m32r_finalize_pic): Remove.
6781 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
6783 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
6785 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
6786 instead of $<. Don't remove ./as if it already exists.
6788 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6791 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
6792 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
6793 for complex modes when generating code for PA 1.0.
6794 (VALID_FP_MODE_P): New macro.
6795 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
6796 sets for all general and floating point modes. Align wide floating
6797 point modes to even register boundaries to comply with architectural
6799 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
6800 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
6801 (VALID_FP_MODE_P): New macro.
6802 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
6803 sets for all general and floating point modes. Align wide floating
6804 point modes to even register boundaries to comply with architectural
6807 2005-07-04 Diego Novillo <dnovillo@redhat.com>
6809 * tree-dump.c (dump_files): Initialize dump number for .cgraph
6812 2005-07-04 Diego Novillo <dnovillo@redhat.com>
6814 * tree-ssa-structalias.c: Don't include expr.h.
6816 2005-07-04 Diego Novillo <dnovillo@redhat.com>
6818 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
6821 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
6823 Fix PR tree-optimization/22279
6825 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
6828 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
6830 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
6832 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
6834 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
6835 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
6836 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
6837 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
6838 config/stormy16/stormy16.c, config/v850/v850.c,
6839 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
6840 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
6841 Avoid "." or "\n" at end of diagnostics and capital letters at
6842 start of diagnostics.
6843 * combine.c, cse.c: Don't translate dump file output.
6844 * toplev.c (print_version): Only translate output if going to
6847 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
6849 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
6850 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
6853 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6855 * pa.c (fix_range): Fix typo in comment.
6857 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
6859 * tree-vrp.c (extract_range_from_assert): Replace
6860 fold (build (...)) with fold_build2.
6862 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6864 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
6865 gcc_gfc_char_table, init_dynamic_gfc_info): New.
6866 (format_types_orig, handle_format_attribute): Add support for
6869 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
6871 * varasm.c (assemble_variable): Fix format specifier thinko.
6873 2005-07-03 Ira Rosen <irar@il.ibm.com>
6875 PR tree-optimization/22029 (and 22135)
6876 * tree-pretty-print.c (dump_generic_node): Check that the node is not
6877 a phi node before calling dump_vops.
6879 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
6881 * tree-dump.h (dump_string_field): Declare.
6882 * tree-dump.c: Use it instead of dump_string.
6883 (dump_string_field): Make non-static.
6885 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
6887 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
6888 up the minimal CFG stuff always when optimize > 0. Call
6889 split_all_insns_noflow in PIC case if needed.
6891 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
6892 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
6895 * c-decl.c (c_write_global_declarations): Dump contents of
6897 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
6898 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
6899 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
6900 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
6903 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
6905 * c-common.h (GCC_DIAG_STYLE): Define.
6906 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
6907 version for format checking to 4.1.
6908 * c-format.c: Include toplev.h after c-common.h.
6909 (enum format_type): Add gcc_tdiag_format_type.
6910 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
6911 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
6912 (format_types_orig): Add gcc_tdiag.
6913 (init_dynamic_diag_info): Support gcc_tdiag formats.
6914 (handle_format_attribute): Likewise.
6915 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
6916 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
6917 version for format checking to 4.1.
6918 (warning0, warning, error, pedwarn, sorry): Use
6920 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
6921 (finish_aliases_1): Do not use %qE.
6922 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
6923 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
6924 Correct format bugs.
6925 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
6926 parameter to unsigned HOST_WIDE_INT.
6927 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
6929 2005-07-02 David Edelsohn <edelsohn@gnu.org>
6932 * expr.c (write_complex_part): Use adjust_address for MEM.
6933 (read_complex_part): Same.
6935 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
6937 Fix PR tree-optimization/22280
6939 * tree-sra.c (generate_element_init): Remove useless loop.
6941 2005-07-02 Richard Henderson <rth@redhat.com>
6943 * config/alpha/alpha.c (alpha_legitimize_address): Check for
6945 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
6947 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
6950 * fold-const.c (fold_binary): Handle the return value of
6951 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
6952 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
6954 2005-07-02 Jeff Law <law@redhat.com>
6956 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
6957 a eliminate type conversion which feeds an equality comparison
6958 if the original type or either operand in the comparison is a
6961 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
6963 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
6964 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
6966 * config/avr/avr.c: Do not use '`' as left quote.
6967 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
6968 Remove "." from end of diagnostics. Make diagnostics start with
6971 2005-07-02 Zack Weinberg <zack@codesourcery.com>
6972 Joseph S. Myers <joseph@codesourcery.com>
6974 * toplev.c (default_tree_printer): Handle setting location with
6976 * c-objc.common.c (c_tree_printer): Likewise.
6977 * c-format.c (gcc_diag_flag_specs): Add '+'.
6978 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
6979 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
6981 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
6982 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
6983 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
6984 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
6985 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
6986 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
6987 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
6988 format arguments where %J is used without %D.
6990 2005-07-02 Jakub Jelinek <jakub@redhat.com>
6992 * gcc.c (LINK_SSP_SPEC): Define.
6993 (link_ssp_spec): New variable.
6994 (LINK_COMMAND_SPEC): Add %(link_ssp).
6995 (static_specs): Add link_ssp_spec.
6996 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
6997 * configure: Rebuilt.
6998 * config.in: Rebuilt.
7000 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7001 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7002 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7003 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7004 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
7005 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
7006 -0x7008(2) instead of reading __stack_chk_guard variable.
7007 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
7009 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
7010 (stack_protect_set, stack_protect_test): Use *_tls* patterns
7011 if TARGET_THREAD_SSP_OFFSET is defined.
7012 (stack_tls_protect_set_si, stack_tls_protect_set_di,
7013 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
7016 2005-06-27 Richard Henderson <rth@redhat.com>
7017 * libgcc-std.ver (GCC_4.1.0): New.
7018 * libgcc.h (__stack_chk_guard): Declare.
7019 (__stack_chk_fail, __stack_chk_fail_local): Declare.
7020 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
7021 * mklibgcc.in (lib2funcs): Add them.
7023 2005-07-01 Richard Henderson <rth@redhat.com>
7025 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
7026 void * before struct sigcontext *.
7027 (x86_fallback_frame_state): Likewise.
7029 2005-07-01 James E. Wilson <wilson@specifixinc.com>
7031 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
7033 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7036 * tree-ssa-reassoc.c (should_transpose): Fix which operand
7037 we check for SSA_NAME for.
7039 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
7041 Fix PR tree-optimization/22071
7043 * tree-ssa-structalias.c (offset_overlaps_with_access): New
7045 (get_constraint_for_component_ref): Use it.
7047 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7050 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
7051 print out the last new line.
7053 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
7055 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
7056 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
7057 * config/cris/cris.c (cris_conditional_register_usage): Adjust
7058 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
7059 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
7060 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
7061 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
7062 (enum reg_class): New member CC0_REGS.
7063 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
7064 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7065 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
7066 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
7067 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7068 Adjust for register now described.
7070 2005-07-01 Jakub Jelinek <jakub@redhat.com>
7073 * config/i386/i386.md (stack_protect_test_si,
7074 stack_protect_test_di): Add earlyclobber for scratch 3.
7075 * config/rs6000/rs6000.md (stack_protect_testsi,
7076 stack_protect_testdi): Add earlyclobber for scratch 3,
7077 remove earlyclobber from scratch 4.
7079 Older entries for 2005 can be found in ChangeLog-2005.