1 2005-10-06 Richard Henderson <rth@redhat.com>
3 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
6 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
10 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
11 out return_label and naked_return_label.
13 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
15 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
18 2005-10-06 Richard Henderson <rth@redhat.com>
21 * tree-inline.c (declare_return_variable): Handle modify_dest not
24 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
26 Fix PR tree-optimization/22488
27 * tree-ssa-structalias.c (check_for_overlaps): New function.
28 (create_variable_info_for): Use it.
30 2005-10-06 Richard Henderson <rth@redhat.com>
33 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
34 (dwarf2out_start_source_file): Print it.
36 2005-10-06 Geoffrey Keating <geoffk@apple.com>
38 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
40 2005-10-06 Richard Henderson <rth@redhat.com>
43 * mode-switching.c (optimize_mode_switching): Clear transp bit
44 for block with incomming abnormal edges.
46 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
47 (fpscr_set_from_mem): Use them.
48 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
49 (fpscr postinc splitters): Rewrite as peephole2+split.
51 2005-10-06 David Edelsohn <edelsohn@gnu.org>
53 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
54 (eq<mode>_compare): Same.
56 2005-10-06 Richard Guenther <rguenther@suse.de>
58 PR tree-optimization/24238
59 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
61 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
63 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
64 here. Use AC_PATH_PROG for environment variables instead of
66 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
68 * configure: Regenerated.
70 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
73 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
74 then force it into a register.
75 (call_value): Likewise.
77 2005-10-06 Richard Henderson <rth@redhat.com>
80 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
81 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
84 2005-10-05 Devang Patel <dpatel@apple.com>
87 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
88 handling constants. Check NAMESPACE_DECL context for constants.
90 2005-10-05 Eric Christopher <echristo@apple.com>
92 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
94 2005-10-05 Richard Henderson <rth@redhat.com>
97 * tree-cfg.c (mark_array_ref_addressable_1): New.
98 (mark_array_ref_addressable): New.
99 * tree-flow.h (mark_array_ref_addressable): Declare.
100 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
102 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
106 * reload.c (subst_reloads): When adding a REG_LABEL to a
107 jump instruction, also update JUMP_LABEL.
109 2005-10-05 David Edelsohn <edelsohn@gnu.org>
111 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
112 * bb-reorder.c (copy_bb_p): Use it.
113 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
115 2005-10-05 Richard Henderson <rth@redhat.com>
118 * toplev.c (process_options): Warn about unsupported combinations
119 of unwind tables and omit-frame-pointer.
120 * config/i386/i386.c (override_options): Similarly. Enable
121 accumulate-outgoing-args if not explicitly disabled.
123 2005-10-05 Steve Ellcey <sje@cup.hp.com>
125 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
126 Handle big endian vs. small endian.
127 (vec_initv2sf): Handle big endian vs. small endian.
128 (*vec_extractv2sf_1): Ditto.
130 2005-10-05 Dale Johannesen <dalej@apple.com>
132 * convert.c (convert_to_real): Don't convert
133 (float)floor(double d) to floorf((float)d).
135 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
137 * config/arm/arm.md (insv): Use gen_int_mode in more places.
139 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
141 PR tree-optimization/18587
142 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
143 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
144 build_vuses): Change to VEC type.
145 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
146 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
147 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
148 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
149 (get_name_decl): New. Return DECL_UID of base variable.
150 (operand_build_cmp): New. qsort comparison routine.
151 (operand_build_sort_virtual): New. Sort virtual build vector.
152 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
153 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
154 (FINALIZE_BASE): Use get_name_decl.
155 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
156 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
157 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
158 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
159 direct VEC_* manipulations.
160 (build_ssa_operands): Call operand_build_sort_virtual.
161 (copy_virtual_operand, create_ssa_artficial_load_stmt,
162 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
163 with direct VEC_* manipulations.
164 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
165 with direct VEC manipulations.
167 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
169 PR tree-optimization/21419
170 PR tree-optimization/24146
171 PR tree-optimization/24151
173 * c-typeck.c (readonly_error): Handle USE being lv_asm.
174 (build_asm_expr): Call it if outputs are read-only.
175 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
177 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
178 Paolo Bonzini <bonzini@gnu.org>
182 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
183 enable the instructions and not just the built-ins.
184 * doc/invoke.texi (x86 Options): Likewise.
186 2005-10-04 Geoffrey Keating <geoffk@apple.com>
188 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
190 * doc/invoke.texi (Option Summary): Correct spelling
191 of -mmacosx-version-min.
193 2005-10-04 Devang Patel <dpatel@apple.com>
195 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
198 2005-10-04 Steve Ellcey <sje@cup.hp.com>
200 * tree-vect-transform.c (vect_create_epilog_for_reduction):
201 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
203 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
205 * config/s390/s390.md ("TDSI","DP"): New mode macros.
206 ("TE","tg"): New mode attributes.
207 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
208 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
209 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
210 dword_mode and one for GPRmode.
212 2005-10-04 Ian Lance Taylor <ian@airs.com>
214 PR preprocessor/13726
215 * c-ppoutput.c (cb_include): Add comments parameter, and print out
216 any comments passed in.
218 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
220 * tree.c (annotate_with_file_line): Fix typo.
222 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
225 * builtins.c (fold_builtin_memcmp): When constructing the pointer
226 type used to access data in the inlined length == 1 case, use
227 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
228 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
230 2005-10-04 Uros Bizjak <uros@kss-loka.si>
232 * config/i386/i386.h (TARGET_FISTTP): Enable also for
233 TARGET_SSE3 and only for TARGET_80387.
234 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
235 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
236 Do not depend on TARGET_80387.
238 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
240 * tree.c (last_annotated_node): Change type to location_t*.
241 (annotate_with_file_line): Reflect the change of
242 last_annotated_node type.
244 2005-10-04 Richard Guenther <rguenther@suse.de>
247 * c-decl.c (grokdeclarator): Don't write to fields
250 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
253 * c-decl.c (finish_decl): Use set_user_assembler_name even for
255 * varasm.c (make_decl_rtl): If a register variable does not
256 have a set user assmbler name, error out.
257 Decode the asmspec is now name+1 bypassing '*'.
259 2005-10-04 Steven Bosscher <stevenb@suse.de>
261 PR tree-optimization/23049
262 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
263 of a COND_EXPR is folded before calling fold on the whole rhs of a
264 conditional assignment.
265 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
266 document that a COND_EXPR may appear there.
268 2005-10-03 Diego Novillo <dnovillo@redhat.com>
271 * tree-vrp.c (extract_range_from_assert): If the new numeric
272 range created out of the assertion contradicts the existing
273 numeric range of the ASSERT_EXPR variable, make the new range
276 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
278 * config/sh/sh.c (sh_register_move_cost): Add case for moving
279 from T_REGS to FP register class.
281 2005-10-03 Richard Henderson <rth@redhat.com>
284 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
285 before creating a new one.
287 2005-10-03 David Edelsohn <edelsohn@gnu.org>
289 * config/rs6000/t-aix43 (LDFLAGS): New.
290 * config/rs6000/t-aix52 (LDFLAGS): New.
292 2005-10-03 Ian Lance Taylor <ian@airs.com>
294 * gimplify.c (find_single_pointer_decl_1): New static function.
295 (find_single_pointer_decl): New static function.
296 (internal_get_tmp_var): For a formal variable, set restrict base
297 information if appropriate.
298 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
300 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
301 (DECL_GET_RESTRICT_BASE): Define.
302 (SET_DECL_RESTRICT_BASE): Define.
303 (decl_restrict_base_lookup): Declare.
304 (decl_restrict_base_insert): Declare.
305 (struct tree_decl_with_vis): Add based_on_restrict_p field.
306 * tree.c (restrict_base_for_decl): New static variable.
307 (init_ttree): Initialize restrict_base_for_decl.
308 (copy_node_stat): Copy restrict base information.
309 (decl_restrict_base_lookup): New function.
310 (decl_restrict_base_insert): New function.
311 (print_restrict_base_statistics): New static function.
312 (dump_tree_statistics): Call print_restrict_base_statistics.
314 2005-10-02 Diego Novillo <dnovillo@redhat.com>
317 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
320 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
323 * c-typeck.c (tagged_tu_seen): Rename to ...
324 (tagged_tu_seen_cache): this and add val field.
325 (comptypes): Move functional to comptypes_internal
326 and free tagged_tu_seen.
327 (comptypes_internal): New function and call comptypes_internal
328 instead of comptypes. Speed up by sibcalling
329 tagged_types_tu_compatible_p.
330 (alloc_tagged_tu_seen): New function
331 (free_all_tagged_tu_seen_up_to): New function.
332 (tagged_types_tu_compatible_p): Return the val of the seen two
334 Add that the two types are the same to tagged_tu_seen_base
335 if they are and call comptypes_internal instead of comptypes.
336 <case UNION_TYPE>: Speed up common type where the fields are
338 (function_types_compatible_p): Call comptypes_internal instead of
340 (type_lists_compatible_p): Likewise.
341 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
343 2005-10-02 Matthias Klose <doko@debian.org>
345 * doc/invoke.texi: Fix typo and speling error.
347 2005-10-01 Richard Henderson <rth@redhat.com>
349 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
351 2005-10-01 Mark Mitchell <mark@codesourcery.com>
353 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
354 using --start-group and --end-group.
356 2005-10-01 Diego Novillo <dnovillo@redhat.com>
358 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
359 FIXME note regarding quirky semantics.
361 2005-10-01 Diego Novillo <dnovillo@redhat.com>
364 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
365 non-null range as a last resort.
367 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
368 Diego Novillo <dnovillo@redhat.com>
371 * tree-vrp.c (extract_range_from_assert): For !=
372 assertions, only build an anti-range if LIMIT is a
375 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
377 * arm.md (movqi): On thumb when optimizing, handle loading from
378 memory by describing this as taking a subreg of a zero-extended load
379 into an SImode register.
382 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
384 * reload1.c (merge_assigned_reloads): Do not change any
385 RELOAD_FOR_OUTPUT_ADDRESS reloads.
387 2005-09-30 Geoffrey Keating <geoffk@apple.com>
389 * Makefile.in (LIPO_FOR_TARGET): Define.
390 (STRIP_FOR_TARGET): Define.
392 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
393 before creating new ones. Do symlinks before creating the actual
396 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
397 to work out which multilibs are actually being built.
399 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
401 * tree-vect-transform.c, config/ms1/ms1.md,
402 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
403 Follow spelling conventions.
404 * doc/invoke.texi, doc/md.texi: Fix typos.
406 2005-09-30 Andrew Macleod <amacleod@redat.com>
408 PR tree-optimization/21430
409 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
410 use operands, and set stmt pointer if need be.
411 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
412 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
415 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
418 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
420 2005-09-29 Mark Mitchell <mark@codesourcery.com>
422 * optabs.c (expand_binop): Initialize first_pass_p.
424 2005-09-29 Jakub Jelinek <jakub@redhat.com>
427 * c-decl.c (c_write_global_declarations_1): If any
428 wrapup_global_declaration_2 call returned true, restart the loop.
430 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
432 Fix PR tree-optimization/24117
433 * tree-ssa-structalias.c (find_func_aliases): Strip nops
434 before considering whether to use anyoffset.
436 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
440 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
442 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
444 (swap_commutative_operands_with_target): New.
446 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
449 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
452 2005-09-29 Steven Bosscher <stevenb@suse.de>
454 PR tree-optimization/23911
455 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
456 and IMAGPART_EXPR too.
458 2005-09-28 Mark Mitchell <mark@codesourcery.com>
461 * expmed.c (expand_shift): Move logic to reverse rotation
462 direction when rotating by constants ...
463 * optabs.c (expand_binop): ... here.
464 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
465 (ix86_rotrdi3): New pattern.
466 (rotldi3): Handle 32-bit mode.
467 (ix86_rotldi3): New pattern.
469 2005-09-29 Alan Modra <amodra@bigpond.net.au>
472 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
473 check for numbers that need no bit twiddle.
475 2005-09-28 Geoffrey Keating <geoffk@apple.com>
477 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
478 multilib to be built.
480 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
481 (stage1-start): Delete old libgcc and libunwind before moving
482 anything into the stage directory.
483 (stage2-start): Likewise.
484 (stage3-start): Likewise.
485 (stage4-start): Likewise.
486 (stageprofile-start): Likewise.
487 (stagefeedback-start): Likewise.
488 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
489 header in tm_file and CPU-specific t-darwin in tmake_file.
490 (i[34567]86-*-darwin*): Don't change tm_file.
491 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
492 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
493 shared library stub for target OS version.
494 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
495 (SHLIB_LINK): Don't make SHLIB_SOLINK.
496 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
497 (libgcc_s.%.dylib): New.
499 (install-darwin-libgcc-stubs): New.
500 (INSTALL_LIBGCC): New append.
501 * config/i386/darwin-libgcc.10.4.ver: New.
502 * config/i386/darwin-libgcc.10.5.ver: New.
503 * config/i386/t-darwin: New.
504 * config/rs6000/darwin-libgcc.10.4.ver: New.
505 * config/rs6000/darwin-libgcc.10.5.ver: New.
506 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
507 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
509 2005-09-28 Paul Brook <paul@codesourcery.com>
511 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
514 2005-09-28 Richard Guenther <rguenther@suse.de>
516 PR tree-optimization/23853
517 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
518 host_integerp to verify misalignment value.
520 2005-09-28 Richard Henderson <rth@redhat.com>
522 * builtins.c (get_builtin_sync_mode): New.
523 (expand_builtin_sync_operation): Pass in mode argument.
524 (expand_builtin_compare_and_swap): Likewise.
525 (expand_builtin_lock_test_and_set): Likewise.
526 (expand_builtin_lock_release): Likewise.
527 (expand_builtin): Update to match.
529 2005-09-28 Nick Clifton <nickc@redhat.com>
531 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
532 formatting. Add check to PLUS case to ensure that the offset is
533 within an acceptable range.
535 * config/v850/v850.md (casesi): Disable the generation of the
536 switch pattern as it is not being handled properly at the moment.
538 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
539 for when the high words are identical.
541 2005-09-27 Richard Henderson <rth@redhat.com>
543 * pretty-print.c (pp_base_format): Fix typo for %>.
545 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
546 Devang Patel <dpatel@apple.com>
548 PR tree-optimization/23625
549 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
550 LABEL_EXPR, assertion check.
552 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
554 * optabs.c (no_conflict_move_test): Check if a result of a
555 to-be-moved insn would be clobbered by an originally
558 2005-09-27 Jeff Law <law@redhat.com>
560 * passes.c (init_optimization_passes): Replace copy propagation
561 passes immediately after DOM with phi-only copy propagation
562 pases. Add phi-only copy propagation pass after first DOM pass.
563 * tree-pass.h (pass_phi_only_copy_prop): Declare.
564 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
565 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
566 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
567 to init_copy_prop. Callers updated.
568 (do_phi_only_copy_prop): New function.
569 (pass_phi_only_copy_prop): New pass descriptor.
571 2005-09-27 Nick Clifton <nickc@redhat.com>
573 * libgcc2.c (__popcount_tab): Remove redundant prototype.
575 2005-09-26 Jason Merrill <jason@redhat.com>
578 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
580 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
582 2005-09-26 James E Wilson <wilson@specifix.com>
584 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
585 copyright. Add gcc copyright plus libgcc exception.
586 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
588 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
590 2005-09-26 Jeff Law <law@redhat.com>
592 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
593 about when to iterate.
595 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
598 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
599 for __complex__ double in -mcpu=G5 mode.
601 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
603 PR tree-optimization/23942
604 * Makefile.in (SCEV_H): Depends on PARAMS_H.
605 * tree-scalar-evolution.c: Include params.h.
607 (follow_ssa_edge, follow_ssa_edge_in_rhs,
608 follow_ssa_edge_in_condition_phi_branch,
609 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
610 Change return type to t_bool. Use a parameter to limit the size of
611 trees that are walked before stopping
612 (analyze_evolution_in_loop): Initialize the limit to 0.
613 (follow_ssa_edge): Give up by returning t_dont_know if the limit
614 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
616 2005-09-26 Uros Bizjak <uros@kss-loka.si>
619 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
620 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
622 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
624 * combine.c (make_extraction): Check for valid use of subreg.
626 2005-09-26 Uros Bizjak <uros@kss-loka.si>
629 * config/i386/i386.md ("*fistdi2_1"): New pattern.
630 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
631 ("fist<mode>2_with_temp"): Use only register operands.
633 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
635 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
636 CALL_INSN_FUNCTION_USAGE.
638 2005-09-26 Richard Guenther <rguenther@suse.de>
641 * gcse.c: Include hashtab.h, define ldst entry hashtable.
642 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
643 (ldst_entry): Use the hashtable instead of list-walking.
644 (find_rtx_in_ldst): Likewise.
645 (free_ldst_entry): Free the hashtable.
646 (compute_ld_motion_mems): Create the hashtable.
647 (trim_ld_motion_mems): Remove entry from hashtable if
648 removing it from list.
649 (compute_store_table): Likewise^2.
650 (store_motion): Free hashtable in case we did not see
653 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
655 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
656 and arg1 if we are passing them to fold_build2.
658 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
661 * config/i386/i386.c (ix86_function_regparm): Fix the test for
664 2005-09-25 Richard Henderson <rth@redhat.com>
666 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
667 SYMBOL_REF_TLS_MODEL to be correct.
669 2005-09-24 Richard Henderson <rth@redhat.com>
671 * ipa-type-escape.c (discover_unique_type): Remove dead code at
672 end of function. Reindent.
674 2005-09-24 Ian Lance Taylor <ian@airs.com>
676 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
677 NEGATE_EXPR/BIT_NOT_EXPR case.
679 2005-09-24 Richard Henderson <rth@redhat.com>
681 * c-common.c (handle_mode_attribute): When not modifying in place,
682 create subtypes for enumerations.
683 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
684 * gimplify.c (create_tmp_from_val): Likewise.
686 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
688 * config/i386/i386.md (*tls_global_dynamic_64,
689 *tls_local_dynamic_base_64): Add missing mode to call.
690 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
692 2005-09-24 Jan Hubicka <jh@suse.cz>
694 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
695 (cgraph_clone_node): Likewise.
696 * cgraph.h (cgraph_clone_edge): Update prototype.
697 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
698 duplicated prototypes; add updating argument.
699 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
700 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
702 (cgraph_mark_inline_edge): Likewise.
703 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
704 (cgraph_flatten_node): Likewise.
705 (cgraph_decide_recursive_inlining): Likewise.
706 (cgraph_decide_inlining_of_small_function): Likewise.
707 * tree-optimize.c (tree_rest_of_compilation): Likewise.
709 2005-09-23 David Edelsohn <edelsohn@gnu.org>
710 Pete Steinmetz <steinmtz@us.ibm.com>
712 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
713 (rldic.): Set type to "compare".
715 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
716 mfjmpr for MFCTR/MFLR.
717 (movdf_hardfloat64): Same.
718 (movdf_softfloat64): Same. Correct order of store and move types.
719 (movti_string): Set type to store_ux/load_ux.
720 (load_multiple): Set type to load_ux.
721 (store_multiple): Set type to store_ux.
722 (movmemsi): Set type to store_ux.
723 (output_cbranch direct_return): Set type to jmpreg.
724 (stmw): Set type to store_ux.
725 (lmw): Set type to load_ux.
726 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
727 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
728 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
729 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
730 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
731 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
732 (rios1-fpstore): Increase latency to 3.
733 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
734 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
736 2005-09-23 David Edelsohn <edelsohn@gnu.org>
737 Andrew Pinski <pinskia@physics.uc.edu>
739 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
740 operand2 constraint to "b".
741 (sync_<fetchop_name>di_internal): Same.
742 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
744 (sync_old_<fetchop_name>di_internal): Same.
745 (sync_new_<fetchop_name>si_internal): Same.
746 (sync_new_<fetchop_name>di_internal): Same.
748 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
751 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
752 case, define as macros.
754 PR rtl-optimization/23837
755 * optabs.c (no_conflict_move_test): Don't set must_stay for a
756 clobber / clobber match between dest and p->first.
758 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
759 (no_conflict_move_test): Update comments.
761 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
763 * doc/install.texi: Update URL for Jacks.
764 * doc/sourcebuild.texi: Likewise.
766 2005-09-22 David Edelsohn <edelsohn@gnu.org>
769 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
770 registers when choosing register preferences.
771 (movdf_hardfloat64): Same.
773 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
775 * expmed.c (expand_shift): Don't use the target of the rotate as
776 target for the first expanded shift insn.
777 * testsuite/gcc.dg/20050922-1.c: Testcase added.
779 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
781 PR tree-optimization/22438
782 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
783 preserved iv rhs rewriting specially.
785 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
787 * tree-data-ref.c (analyze_array_indexes): Only estimate when
788 estimate_only is true.
789 * tree-flow.h (ref_contains_indirect_ref): New prototype.
790 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
791 tree-ssa-structalias.c
792 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
793 ref_contains_indirect_ref.
794 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
796 2005-09-21 DJ Delorie <dj@redhat.com>
798 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
800 (mn10300_return_in_memory): Support variable size types also.
801 (mn10300_pass_by_reference): Likewise.
802 (mn10300_function_value): New.
803 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
804 (FUNCTION_OUTGOING_VALUE): Likewise.
805 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
806 * doc/invoke.texi: Document it.
808 2005-09-21 Uros Bizjak <uros@kss-loka.si>
811 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
812 force integer op1 into register for XFmode compares.
814 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
817 * expmed.c (alg_code): Add alg_impossible.
818 (alg_hash_entry): Add cost.
819 (synth_mult): Record alg_impossible in the hash table if
820 multiplication by a given integer is impossble within the
821 limit. Speed up using alg_impossible.
823 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
825 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
826 argument. Allow and set any offset if needs_anyoffset is passed
828 (get_constraint_for): Add argument here too.
830 (do_structure_copy): Pass NULL to get_constraint_for.
831 (handle_ptr_arith): Ditto.
832 (find_func_aliases): Ditto.
834 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
836 PR rtl-optimization/23898
837 * output.h (get_attr_min_length): Declare.
838 * final.c (get_attr_length_1): New function, broken out of:
840 (get_attr_min_length): New function.
841 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
842 (duplicate_computed_gotos): Likewise.
843 * genattr.c (insn_min_length): Generate declaration.
844 * genattrtab.c (min_fn, min_attr_value): New functions.
845 (make_length_attrs): Generate insn_min_length.
847 2005-09-20 Steve Ellcey <sje@cup.hp.com>
849 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
851 2005-09-20 Richard Henderson <rth@redhat.com>
853 PR tree-optimization/24059
854 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
857 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
859 * c.opt (fextended-identifiers): New.
860 * c-opts.c (c_common_handle_option): Handle
861 -fextended-identifiers.
862 * doc/cpp.texi: Update documentation of extended identifiers.
863 * doc/cppopts.texi (-fextended-identifiers): Document.
865 2005-09-20 Jakub Jelinek <jakub@redhat.com>
867 PR tree-optimization/23929
868 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
871 PR tree-optimization/23818
872 * tree-stdarg.c (execute_optimize_stdarg): Call
873 calculate_dominance_info.
875 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
877 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
878 (analyze_siv_subscript_cst_affine): Add weak SIV test.
879 (compute_overlap_steps_for_affine_1_2): Use
880 get_number_of_iters_for_loop.
881 (analyze_subscript_affine_affine): Check whether difference is
883 Use get_number_of_iters_for_loop.
884 Check whether overlap occurs outside of bounds.
885 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
887 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
889 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
890 base register if possible.
892 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
894 PR tree-optimization/18463
895 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
896 converting it directly is not possible.
897 (chrec_convert_aggressive): New function.
898 * tree-chrec.h (chrec_convert_aggressive): Declare.
899 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
900 Fold chrec conversions aggressively if asked to.
901 (instantiate_parameters): Modified because of changes in
902 instantiate_parameters_1.
904 2005-09-19 Richard Henderson <rth@redhat.com>
906 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
907 (reduc_splus_v2df): New.
909 2005-09-19 Richard Sandiford <richard@codesourcery.com>
911 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
912 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
914 2005-09-19 Richard Henderson <rth@redhat.com>
916 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
919 2005-09-19 Richard Henderson <rth@redhat.com>
921 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
922 (ia64_expand_dot_prod_v8qi): New.
923 * config/ia64/ia64-protos.h: Update.
924 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
925 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
926 sdot_prodv8qi, sdot_prodv4hi): New.
927 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
929 2005-09-19 Richard Henderson <rth@redhat.com>
932 * real.c (exact_real_truncate): Return false if the format cannot
933 represent the number as a normal.
935 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
938 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
940 * tree-ssa-operands.c (swap_tree_operands): Export.
941 * tree.h (swap_tree_operands): Declare.
942 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
943 Call swap_tree_operands.
945 2005-09-19 Richard Henderson <rth@redhat.com>
947 * tree-flow.h (merge_alias_info): Declare.
948 * tree-ssa-copy.c (merge_alias_info): Export.
949 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
950 (vect_create_data_ref_ptr): Use create_iv directly.
951 (vectorizable_load): Use correct types for integer constants.
952 (vect_generate_tmps_on_preheader): Likewise.
953 (vect_gen_niters_for_prolog_loop): Likewise.
955 2005-09-19 Steven Bosscher <stevenb@suse.de>
957 PR rtl-optimization/23943
958 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
960 2005-09-18 Jan Hubicka <jh@suse.cz>
962 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
964 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
966 * varasm.c (output_constant): Do not abort on conversions to union
967 types between different sizes.
969 2005-09-18 Richard Guenther <rguenther@suse.de>
972 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
975 2005-09-18 Paul Brook <paul@codesourcery.com>
977 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
979 2005-09-17 Richard Henderson <rth@redhat.com>
981 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
982 * tree-ssa-loop.c (pass_vect_dce): Remove.
983 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
986 2005-09-17 Richard Henderson <rth@redhat.com>
988 * tree-pass.h (pass_vect_dce): Declare.
989 * passes.c (init_optimization_passes): Add it.
990 * tree-flow.h (tree_ssa_dce): Declare.
991 * tree-ssa-dce.c (tree_ssa_dce): Export.
992 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
993 (gate_tree_vectorize): ... here.
994 (pass_vect_dce): New.
996 2005-09-17 Jan Hubicka <jh@suse.cz>
998 * except.c (struct eh_status): Turn region_array into vec.
999 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
1000 convert_from_eh_region_ranges, find_exception_handler_labels,
1001 current_function_has_exception_handlers, assign_filter_values,
1002 build_post_landing_pads, dw2_build_landing_pads,
1003 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
1004 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
1005 foreach_reachable_handler, can_throw_internal_1,
1006 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
1008 (duplicate_eh_region_1): Update region_array.
1009 (duplicate_eh_regions): Resize region_array and avoid recomputing.
1011 2005-09-17 David Edelsohn <edelsohn@gnu.org>
1014 * expmed.c (expand_mult): Substitute simple register for op0 when
1017 2005-09-17 Richard Henderson <rth@redhat.com>
1019 * expr.c (emit_move_via_integer): Add force argument, pass it on
1020 to emit_move_change_mode. Update callers.
1021 (emit_move_complex): Pass true to new force argument.
1022 * function.c (expand_function_end): Move expand_eh_return call
1023 earlier. Merge sub-word complex values into a pseudo before
1024 copying to the return hard register.
1026 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
1028 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
1029 between different sizes.
1031 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
1035 * passes.c (init_optimization_passes): Register dump files for
1038 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
1040 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1041 * config/s390/s390.c (s390_overlap_p): New function.
1042 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1043 peephole2, "*xc" peephole2): Added overlap check to the peephole2
1046 2005-09-16 Richard Guenther <rguenther@suse.de>
1048 * ipa-pure-const.c (static_execute): Free auxiliar information.
1049 * ipa-type-escape.c (discover_unique_type): Free temporary key.
1050 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1052 2005-09-15 DJ Delorie <dj@redhat.com>
1054 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1056 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1058 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1060 (swap_commutative_operands_with_target): New.
1062 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
1064 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1067 (estimate_iters_using_array): New function.
1068 * tree-data-ref.h (estimate_iters_using_array): Prototype
1069 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1070 Use estimate_iters_using_array instead of analyze_array.
1072 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
1074 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1077 2005-09-15 Michael Matz <matz@suse.de>
1079 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1081 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
1083 PR tree-optimization/23835
1084 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1085 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1087 2005-09-14 Richard Henderson <rth@redhat.com>
1089 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1090 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1092 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
1094 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1095 in the ARRAY_TYPE case.
1097 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
1099 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1101 2005-09-14 Uros Bizjak <uros@kss-loka.si>
1104 * tree-vect-transform.c (vectorizable_operation): Return false for
1105 scalar shift operations and for vector shift operations with
1106 non-invariant shift arguments. Use scalar tree operand op1 as
1107 a shift operand when vector shift insn pattern uses scalar shift
1109 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1111 2005-09-14 Olivier Hainque <hainque@adacore.com>
1113 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1114 value if it has side-effects.
1116 2005-09-14 David Edelsohn <edelsohn@gnu.org>
1119 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1121 2005-09-14 Alan Modra <amodra@bigpond.net.au>
1123 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1124 passed as NAME as if it were label at start of function code.
1126 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
1128 * config/sh/sh.md (*movv4sf_i): Add general register cases to
1131 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1133 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1134 as early clobber. Rewrite so the PIC register is not implicitly used.
1136 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1138 * tree.c (annotate_with_file_line): Compare line numbers before
1141 2005-09-13 Uros Bizjak <uros@kss-loka.si>
1144 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1145 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1147 2005-09-13 Ian Lance Taylor <ian@airs.com>
1149 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1150 than a HOST_WIDEST_INT to gen_doloop_begin.
1152 2005-09-13 Diego Novillo <dnovillo@redhat.com>
1154 * tree-dfa.c (dump_variable): Guard against NULL annotations.
1156 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
1158 PR tree-optimize/23817
1159 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1161 2005-09-13 Alan Modra <amodra@bigpond.net.au>
1164 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1165 word before changing the stack pointer. Use gen_frame_mem for MEMs.
1166 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1167 (restore_stack_nonlocal): Likewise.
1168 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1170 2005-09-12 Ian Lance Taylor <ian@airs.com>
1173 * c.opt (ffriend-injection): New C++ option.
1174 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1175 (C++ Dialect Options): Document -ffriend-injection.
1177 2005-09-12 Josh Conner <jconner@apple.com>
1180 * ipa-reference.c (static_execute): Don't mark variables in
1181 named sections TREE_READONLY.
1183 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1185 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1188 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1190 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1191 V_MUST_DEF instead of just the first_use_p.
1192 Don't mark the virtual variables for renaming on the statement which
1194 (pass_dse): Remove TODO_update_ssa.
1196 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
1199 * stor-layout.c (compute_record_mode): For records with a single
1200 field, actually check the field's mode size against the type size.
1202 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1203 registers for TARGET_SHMEDIA.
1204 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1205 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
1206 of GENERAL_REGS and FP_REGS.
1208 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
1210 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1212 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1214 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1215 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1216 are omitted. Exclude stack_tie insn too.
1218 2005-09-11 David Edelsohn <edelsohn@gnu.org>
1220 PR rtl-optimization/23098
1221 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1223 * config/rs6000/rs6000.md (movdf splitter): Use
1224 const_double_operand predicate for TARGET_POWERPC64.
1225 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1226 SYMBOL_REF method to ABI_V4.
1228 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1229 replace_equiv_address.
1230 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1231 rs6000_sr_alias_set and MEM_NOTRAP.
1232 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1234 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
1236 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1237 handle CALL_EXPR again.
1239 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
1241 * arm/predicates.md (alignable_memory_operand): Delete.
1243 2005-09-10 Richard Henderson <rth@redhat.com>
1246 * dbxout.c (dbxout_expand_expr): New.
1247 (dbxout_symbol): Use it.
1249 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
1251 * arm.c (arm_gen_rotated_half_load): Delete.
1252 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1253 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1254 (thumb_set_return_address): Likewise.
1255 (thumb_load_double_from_address): Use adjust_address.
1256 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1257 (extendhsisi2_mem, movhi_bytes): Use change_address.
1258 (movhi): Use widen_memory_access.
1259 (reload_out_df): Use replace_equiv_address.
1260 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1262 2005-09-09 Richard Henderson <rth@redhat.com>
1265 * dbxout.c: Include expr.h.
1266 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1267 (dbxout_symbol): Handle DECL_VALUE_EXPR.
1268 * Makefile.in (dbxout.o): Add EXPR_H.
1270 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
1272 PR tree-optimization/23509
1273 * tree-cfg.c (replace_uses_by): Use replace_exp.
1274 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1275 pointers have name_mem_tag or type_mem_tag set.
1277 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1279 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1280 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1281 of wrongly accessing operands.
1283 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1285 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1286 * tree-chrec.c: Include tree-scalar-evolution.h.
1287 (chrec_convert): Instantiate the base and step before calling
1288 scev_probably_wraps_p that would fail on parametric evolutions.
1289 Collect all the fails into a single section failed_to_convert,
1290 print a diagnostic, and return chrec_dont_know instead of calling
1292 * tree-scalar-evolution.c (loop_closed_phi_def): New.
1293 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1295 (scev_const_prop): Don't replace the definition of a loop closed ssa
1296 phi node by itself, or by another loop closed ssa phi node.
1297 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1298 that base and step are defined.
1300 2005-09-09 Richard Guenther <rguenther@suse.de>
1303 * fold-const.c (fold_ternary): Check truth_value_p before
1304 calling invert_truthvalue.
1306 2005-09-09 Nick Clifton <nickc@redhat.com>
1308 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1309 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1310 dimension of these arrays.
1311 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1313 * longlong.h: Only provide a prototype for the __clz_tab[] array
1314 if this header has not been included from libgcc2.h.
1315 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1317 Provide prototypes for exported functions.
1318 Use the __clz_tab[] and __popcount_tab[] arrays provided by
1321 2005-09-08 Josh Conner <jconner@apple.com>
1325 * expr.c (expand_expr_addr_expr_1): Don't invoke
1326 expand_simple_binop for EXPAND_INITIALIZER.
1328 2005-09-08 Richard Henderson <rth@redhat.com>
1331 * toplev.c (wrapup_global_declaration_1): Split out ...
1332 (wrapup_global_declaration_2): ... from ...
1333 (wrapup_global_declarations): ... here. Return bool.
1334 (check_global_declaration_1): Split out ...
1335 (check_global_declarations): from here.
1336 (emit_debug_global_declarations): New.
1337 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1338 check_global_declaration_1, emit_debug_global_declarations): Declare.
1339 * c-decl.c (c_write_global_declarations_1): Don't create a vector
1340 of decls. Call wrapup_global_declaration_1,
1341 wrapup_global_declaration_2, check_global_declaration_1 directly.
1342 (c_write_global_declarations_2): New.
1344 (c_write_global_declarations): Call c_write_global_declarations_2.
1345 * langhooks.c (write_global_declarations): Call
1346 emit_debug_global_declarations.
1348 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
1349 remove decls that have DECL_RTL_SET_P.
1350 * passes.c (rest_of_decl_compilation): Invoke
1351 cgraph_varpool_finalize_decl for all but functions.
1353 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1355 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
1356 the result of a conversion if the new min and max cannot be compared.
1358 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
1360 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
1361 (override_options): Setting s390_sr_alias_set removed.
1362 (save_fpr, save_gprs): Set alias set to vararg or frame.
1363 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
1364 s390_sr_alias_set with get_frame_alias_set ().
1365 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
1366 get_varargs_alias_set ().
1368 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1372 * c-parser.c (c_parser_objc_method_definition): If the next
1373 token is not "{", error out and don't start the function.
1375 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1377 * tree-vrp.c (extract_range_from_expr): Move the check for non
1378 nullness after the check for gimple invariant.
1380 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1382 * tree.c (host_integerp, tree_low_cst): Correct function comment.
1384 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1387 * config/m32r.md (movmemsi_internal): Canonicalize order of
1388 operands in PLUS component of template.
1390 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
1392 * reload1.c (fixup_eh_region_note): Remove assertion.
1393 (fixup_abnormal_edges): Reverted removal of call to
1394 find_many_sub_basic_blocks made on 2005-08-31.
1396 2005-09-07 Richard Henderson <rth@redhat.com>
1398 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
1399 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
1400 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
1401 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
1402 rearrange for better packing.
1403 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
1404 (lookup_cfa_1): Remove inline marker.
1405 (cfa_equal_p): Split out of ...
1406 (def_cfa_1): ... here. Use INVALID_REGNUM.
1407 (build_cfa_loc): Handle !cfa->indirect.
1408 (frame_pointer_cfa_offset): New.
1409 (dbx_reg_number): Assert register elimination performed; do
1410 leaf register remapping.
1411 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
1412 (eliminate_reg_to_offset): New.
1413 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
1414 for verifiably local stack frame addresses; re-base to CFA.
1415 (mem_loc_descriptor): Remove can_use_fbreg argument.
1416 (concat_loc_descriptor, loc_descriptor): Likewise.
1417 (containing_function_has_frame_base): Remove.
1418 (rtl_for_decl_location): Don't do register elimination or
1419 leaf register remapping here.
1420 (secname_for_decl): Split out from ..
1421 (add_location_or_const_value_attribute): ... here.
1422 (convert_cfa_to_loc_list): New.
1423 (compute_frame_pointer_to_cfa_displacement): New.
1424 (gen_subprogram_die): Use them.
1425 * tree.h (frame_base_decl): Remove.
1426 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
1427 (prologue_stack_adjust): Remove.
1428 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
1429 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
1430 (set_frame_base_location): Remove.
1431 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
1432 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
1433 (vt_add_function_parameters): Don't eliminate_regs.
1434 (vt_initialize): Don't create frame_base_decl.
1436 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1438 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
1439 version of GNU binutils for 4.x and later.
1441 2005-09-06 Mark Mitchell <mark@codesourcery.com>
1443 * ggc-page.c (ggc_push_context): Remove.
1444 (ggc_pop_context): Likewise.
1445 * ggc.h (ggc_push_context): Remove.
1446 (ggc_pop_context): Likewise.
1448 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1451 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
1452 returning from an interrupt handler.
1454 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1457 * config/arc/arc.c (output_shift): Add check for loop count when
1460 2005-09-06 Steven Bosscher <stevenb@suse.de>
1462 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
1464 (abs_replacement): Likewise.
1465 (pass_phiopt): Remove TODO_update_ssa.
1467 2005-09-06 Jakub Jelinek <jakub@redhat.com>
1470 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
1471 if "return with no value, in function returning non-void" warning
1473 * tree-cfg.c (execute_warn_function_return): Don't look at
1474 RETURN_EXPRs with TREE_NO_WARNING set.
1477 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
1478 for internal functions doesn't use registers used by global registers
1479 variables. Use fewer register parameters if there are global register
1482 2005-09-06 Olivier Hainque <hainque@adacore.com>
1483 Eric Botcazou <ebotcazou@adacore.com>
1486 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
1487 when we would be extracting outside its bit span (bitpos+bitsize
1488 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
1489 Ada unchecked conversions.
1491 2005-09-06 Steven Bosscher <stevenb@suse.de>
1493 * tree-ssa-pre.c (try_look_through_load): New function.
1494 (compute_avail): Use it to try to look through loads for some
1495 more useful expressions.
1497 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1499 * simplify-rtx.c (simplify_binary_operation_1): Correct the
1500 condition for detecting cases like (a&a) and (a^a).
1502 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
1504 * common.opt: Add option ftree-vect-loop-version.
1505 * params.def: Add --param vect-max-version-checks.
1506 * doc/invoke.texi: Document ftree-vect-loop-version and
1507 --param vect-max-version-checks.
1508 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
1509 may_misalign_stmts and defines for accessors.
1510 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
1511 LOOP_VINFO_MAY_MISALIGN_STMTS.
1512 (destroy_loop_vec_info): VEC_free for
1513 LOOP_VINFO_MAY_MISALIGN_STMTS.
1514 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1515 Update documentation.
1516 (vect_update_misalignment_for_peel): New.
1517 (vect_enhance_data_refs_alignment): Update to choose loop
1518 peeling or loop versioning if appropriate for the (potentially)
1519 unaligned data references in the loop.
1520 (vect_analyze_data_refs_alignment): Remove call to
1521 vect_enhance_data_refs_alignment so the checks can be done
1523 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
1524 and move up call to vect_analyze_data_refs_alignment.
1525 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
1526 (vect_transform_loop): Add call to loop_version.
1528 2005-09-06 Jakub Jelinek <jakub@redhat.com>
1530 PR rtl-optimization/23098
1531 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
1532 * simplify-rtx.c (constant_pool_reference_p): New function.
1533 * rtl.h (constant_pool_reference_p): New prototype.
1534 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
1535 constant_pool_reference_p in condition and
1536 avoid_constant_pool_reference in preparation statements.
1538 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
1540 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
1541 STRICT_LOW_PART SETs.
1543 2005-09-06 Alan Modra <amodra@bigpond.net.au>
1546 * except.c (sjlj_emit_function_enter): Find the function begin
1547 note even when it's not in first basic block.
1549 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
1551 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
1552 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
1553 * aclocal.m4: Regenerate.
1555 2005-09-05 DJ Delorie <dj@redhat.com>
1557 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
1560 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
1562 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
1563 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
1564 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
1565 Follow spelling conventions.
1566 * doc/invoke.texi: Follow spelling conventions.
1568 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
1570 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
1571 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
1572 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
1574 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
1577 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
1578 (output_stack_adjust): Use gen_tmp_stack_mem.
1579 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
1580 (sh_set_return_address, sh_allocate_initial_value): Likewise.
1581 (sh_get_pr_initial_val): Likewise.
1582 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
1583 (sh_initialize_trampoline): Likewise. Also use adjust_address.
1584 * sh.md (divsi_inv_m0): Use gen_const_mem.
1585 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
1586 (movdf_i4+1): Use gen_tmp_stack_mem.
1587 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
1588 (fpu_switch+2): Likewise.
1589 (movv4sf_i, movv16sf_i): Use adjust_address.
1590 (symGOT_load): Set MEM_NOTRAP_P bit.
1592 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1595 * pa.c (emit_move_sequence): Fix typo in last change.
1597 2005-09-03 Jakub Jelinek <jakub@redhat.com>
1599 PR rtl-optimization/23454
1600 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
1603 2005-09-03 Richard Henderson <rth@redhat.com>
1604 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1607 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
1610 2005-09-02 Nicolas Pitre <nico@cam.org>
1612 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
1613 to bit_count to 32 bits.
1615 2005-08-31 Mark Mitchell <mark@codesourcery.com>
1618 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
1619 generating synthetic loads from volatile lvalues.
1621 005-09-02 Nick Clifton <nickc@redhat.com>
1623 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
1624 __ctzhi2, __clzhi2): New functions.
1626 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
1629 * tree-nested.c (struct var_map_elt): Mark with GTY.
1630 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
1632 (lookup_field_for_decl): Allocate new element in GC memory.
1633 (lookup_tramp_for_decl): Likewise.
1634 (convert_nl_goto_reference): Likewise
1635 (create_nesting_tree): Allocate info in GC memory. Likewise for
1637 (free_nesting_tree): Free with ggc_free instead of free.
1638 (root): New static variable.
1639 (lower_nested_functions): Remove root as local variable. And zero out
1640 root at the end of the function.
1642 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
1644 PR rtl-optimization/20365
1645 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
1646 to short. New member ix.
1647 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
1648 (simplify_plus_minus): Initialize ix members before calling qsort.
1650 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
1652 PR tree-optimization/23626
1653 * tree-cfg.c (replace_uses_by): Clean up eh info.
1655 2005-09-01 DJ Delorie <dj@redhat.com>
1657 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
1660 2005-09-01 David Edelsohn <edelsohn@gnu.org>
1662 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
1663 (rs6000_split_multireg_move): Use replace_equiv_address instead of
1666 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
1668 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
1669 do not issue warning for a variable definition following
1672 2005-09-01 Richard Henderson <rth@redhat.com>
1675 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
1676 conversion to CONST_VECTOR.
1678 2005-09-01 Richard Henderson <rth@redhat.com>
1681 * reload1.c (reload_as_needed): Check !CALL_P before calling
1682 fixup_eh_region_note.
1683 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
1685 2005-09-01 DJ Delorie <dj@redhat.com>
1687 * varasm.c (output_constant): Let the target resolve
1688 conversions of addresses to non-default pointer sizes.
1690 2005-09-01 Nicolas Pitre <nico@cam.org>
1692 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
1693 to alow matching ARM pre-indexed addressing mode.
1694 (arm_override_options): Remove now irrelevant comment.
1696 2005-09-01 Phil Edwards <phil@codesourcery.com>
1698 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
1699 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
1700 * config/i386/vxworks.h: Likewise.
1701 * config/i386/t-vxworksae: New file, for VxWorks AE.
1702 * config/i386/vxworksae.h: Likewise.
1704 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
1706 PR tree-optimization/23410
1707 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
1708 sequence is not wrapping during the first step.
1710 2005-09-01 Jakub Jelinek <jakub@redhat.com>
1713 * dwarf2out.c (base_type_die): Compare char_type_node with
1714 TYPE_MAIN_VARIANT (type), not type.
1716 2005-09-01 Richard Guenther <rguenther@suse.de>
1718 PR tree-optimization/15366
1719 * common.opt: Add -finline-functions-called-once.
1720 Put -fearly-inlining in alphabetically ordered place.
1721 * doc/invoke.texi: Document new option.
1722 * ipa-inline.c (cgraph_decide_inlining): Honour
1723 flag_inline_functions_called_once.
1725 2005-09-01 Jakub Jelinek <jakub@redhat.com>
1727 PR rtl-optimization/23478
1728 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
1729 (alloc_qty): Initialize it.
1730 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
1731 (combine_regs): Combine also n_throwing_calls_crossed fields.
1732 (find_free_reg): Don't attempt to caller-save pseudos crossing
1733 calls that might throw.
1734 * global.c (struct allocno): Add throwing_calls_crossed field.
1735 (global_alloc): Revert 2005-08-22 change. Initialize
1736 throwing_calls_crossed.
1737 (find_reg): Don't attempt to caller-save pseudos crossing calls that
1740 2005-09-01 Alan Modra <amodra@bigpond.net.au>
1743 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
1744 (mask64_operand): Reinstate code prior to 2005-06-11 change.
1745 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
1746 (and64_2_operand): Tweak to use predicate.
1747 (and_operand): Adjust for mask_operand changes.
1748 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
1749 (print_operand): Likewise.
1750 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
1751 (mask64_1or2_operand): Delete.
1752 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
1753 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
1754 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
1755 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1756 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1757 (rotldi3_internal4): Likewise.
1758 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1759 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1760 (ashldi3_internal7): Likewise.
1761 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1762 (ashldi3_internal, ashldi3_internal9 split): Likewise.
1763 (anddi3 split): Don't match mask64_operand.
1764 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
1765 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
1766 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
1767 't' splitter predicate.
1768 (movdi_internal64 + 2): Revert 2005-06-11 change.
1770 2005-08-31 DJ Delorie <dj@redhat.com>
1772 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1773 (m32c_asm_integer): Add support for 32 bit pointers.
1775 2005-08-31 Richard Henderson <rth@redhat.com>
1777 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1778 component-like references for setting MEM_NOTRAP_P.
1780 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1781 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1783 2005-08-31 Richard Henderson <rth@redhat.com>
1785 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1786 into a pseudo before applying gen_lowpart.
1788 2005-08-31 Geoffrey Keating <geoffk@apple.com>
1790 * doc/install.texi (Specific): Update cctools version required
1791 for full functionality.
1792 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1793 linkers as -macosx_version_min.
1795 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
1798 * sh.c (print_operand, %R and %S): Add handling of floating point
1799 registers, memory, constants and invalid operands.
1801 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
1803 * ipa-pure-const.c: Change dump name.
1805 2005-08-31 Uros Bizjak <uros@kss-loka.si>
1808 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1809 to "reg_or_0_operand".
1810 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1812 2005-08-31 Dale Johannesen <dalej@apple.com>
1814 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
1815 loops that count down.
1817 2005-08-31 Richard Henderson <rth@redhat.com>
1820 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1821 (fixup_eh_region_note): New.
1822 (reload_as_needed): Call it.
1823 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1824 don't call find_many_sub_basic_blocks; call verify_flow_info.
1825 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1826 (keep_stack_depressed): Likewise.
1827 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1829 2005-08-31 Richard Henderson <rth@redhat.com>
1831 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1834 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
1836 * expr.c (expand_expr_real_1): Compare size of address
1837 mode to target's address mode size in deciding expansion of
1838 the constant address.
1840 2005-08-31 Richard Guenther <rguenther@suse.de>
1843 * expr.c (all_zeros_p): New function.
1844 (expand_expr_real_1): Handle the case of an all-zero
1845 non-addressable constructor separately.
1847 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
1849 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
1850 arguments, adjust all callers.
1851 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
1853 2005-08-30 Richard Henderson <rth@redhat.com>
1856 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
1857 whenever the mode sizes match.
1859 2005-08-31 Alan Modra <amodra@bigpond.net.au>
1861 * calls.c (load_register_parameters): Fix comment typo.
1862 * expr.c (emit_push_insn): Comment formatting.
1864 2005-08-30 Ian Lance Taylor <ian@airs.com>
1866 * config/i386/x-cygwin (host-cygwin): Change dependency from
1867 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
1869 2005-08-29 Geoffrey Keating <geoffk@apple.com>
1871 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
1874 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1877 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
1878 call to ggc_collect.
1880 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
1883 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
1884 beginning. Remove $(INCLUDES) from all the rules, if following
1885 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
1887 2005-08-29 Jakub Jelinek <jakub@redhat.com>
1890 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1891 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1892 not constant, but maxlen is, don't set len to maxlen, rather
1893 set maxlen to len if len is a constant.
1895 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
1897 PR tree-optimization/23475
1898 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1901 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
1903 Fix PR middle-end/22455
1905 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1906 Checksum only the parts of the tree that exist for the tree code.
1908 2005-08-28 Dale Johannesen <dalej@apple.com>
1910 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
1912 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
1914 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1916 2005-08-28 Richard Henderson <rth@redhat.com>
1918 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1919 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1922 2005-08-28 Jakub Jelinek <jakub@redhat.com>
1925 * builtins.c (get_memory_rtx): Don't strip nops
1926 in between COMPONENT_REFs.
1928 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
1931 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1933 (gimplify_modify_expr): Check for zero sized types and gimplify the
1934 rhs and lhs as statements.
1936 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
1939 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1940 state for return address column of signal frames.
1942 2005-08-27 David Edelsohn <edelsohn@gnu.org>
1945 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1946 bytes >= 2 not bytes == 2.
1947 (expand_block_move): Same.
1949 2005-08-27 Richard Guenther <rguenther@suse.de>
1952 * config/i386/sse.md (sse2_movsd): Add missing closing
1955 2005-08-27 Paul Brook <paul@codesourcery.com>
1957 * genrecog.c (enum decision_type): Add DT_num_insns.
1958 (struct decision_test): Add u.num_insns.
1959 (add_to_sequence): Add DT_num_insns test.
1960 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1961 (write_cond, debug_decision_2): Ditto.
1962 (change_state): Assume peep2_next_insn never fails.
1963 Remove "afterward" argument.
1964 (write afterward, write_tree): Update to match.
1965 * recog.c (peep2_current_count): New variable.
1966 (peep2_next_insn): Check it.
1967 (peephole2_optimize): Set peep2_current_count.
1968 * recog.h (peep2_current_count): Declare.
1970 2005-08-26 Josh Conner <jconner@apple.com>
1973 * ipa-pure-const.c (check_tree): Check for volatile-ness
1974 when considering a dereference.
1976 2005-08-27 Jakub Jelinek <jakub@redhat.com>
1978 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1980 2005-08-26 Jakub Jelinek <jakub@redhat.com>
1982 PR rtl-optimization/23561
1983 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
1984 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
1985 at most LEN bytes long memory fits into the field.
1986 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
1987 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
1988 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
1990 2005-08-26 Richard Henderson <rth@redhat.com>
1993 * loop.c (biased_biv_may_wrap_p): New.
1994 (maybe_eliminate_biv_1): Use it to suppress non-equality
1995 comparison transformations. Delete disabled code.
1997 2005-08-26 Ian Lance Taylor <ian@airs.com>
1999 * combine.c (make_extraction): Avoid reference outside object.
2001 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
2003 * stor-layout.c (finalize_type_size): Restore behaviour for
2004 non-aggregate types to the status quo ante of the patch for
2005 pr 23467. Document why it matters.
2007 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2010 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
2011 array by one element, initialize the BT_LAST element with NULL.
2013 2005-08-26 David Edelsohn <edelsohn@gnu.org>
2015 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
2016 optimizing for size.
2018 (compare_plus_eqsi): Same.
2019 (plus_eqsi_compare): Same.
2020 (neg_eq0<mode>): Same.
2021 (neg_eq<mode>): Same.
2023 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
2026 2005-08-26 Nick Clifton <nickc@redhat.com>
2028 * config/v850/v850.c (ep_memory_operand): Return FALSE if
2029 TARGET_EP is not defined.
2030 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
2031 TARGET_EP is enabled.
2032 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
2033 * config/v850/v850.md (save_all_interrupt): Only use the EP
2034 register if TARGET_EP is defined.
2035 (restore_all_interrupt): Likewise.
2036 * config/v850/lib1funcs.asm: Update functions so that the EP
2037 register is only used if __EP__ is defined.
2039 2005-08-26 David Ung <davidu@mips.com>
2041 * config/mips/mips.c (mips_expand_prologue): Handle case when
2042 generating for MIPS16 and the outgoing argument area is more than
2043 SMALL_OPERAND. Use the frame pointer as temporary to generate the
2046 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
2048 * config/crx/crx.md: Make doloop_end pattern usage controllable
2049 via mloop-nesting=<max-nesting> command line switch. Make sure
2050 the combiner cannot use doloop_end_<mode> in an illegal way.
2051 * config/crx/crx.c: Use regs up to r6 for argument passing.
2052 Refine crx_address_cost (non cst4 displacements are expensive).
2053 * config/crx/crx.opt: Add switch for mloop-nesting=.
2055 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
2057 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2058 (UNSPEC_MVST): New constant.
2060 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
2062 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2063 Reject operands containing eliminable registers.
2064 * testsuite/gcc.dg/20050825-1.c: New testcase.
2066 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2067 Jan Hubicka <jh@suse.cz>
2069 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2071 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2073 PR tree-optimization/23546
2074 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2077 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
2079 * params.def (PARAM_MIN_SPEC_PROB): New.
2080 * sched-rgn.c (MIN_PROBABILITY): Delete.
2081 (compute_trg_info): Convert to PARAM_VALUE.
2082 * doc/invoke.texi (param): Document min-spec-prob.
2084 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
2086 * config/darwin.h: define __PIC__
2087 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2088 TARGET_OS_CPP_BUILTINS macro.
2090 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2092 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2095 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2097 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2099 * cfghooks.c (duplicate_block): Added position where to place
2100 new block as argument.
2101 * cfghooks.h (duplicate_block): Declaration changed.
2102 * cfglayout.c (copy_bbs): Add argument after. Pass it to
2104 * cfglayout.h (copy_bbs): Declaration changed.
2105 * cfgloop.h (loop_version): Declaration changed.
2106 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2107 position to copy_bbs.
2108 (loop_version): Pass position to duplicate_loop_to_header_edge.
2109 Add place_after argument and position new blocks according to
2111 * modulo-sched.c (sms_schedule): Pass place_after argument
2113 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2114 * tree-cfg.c (split_edge_bb_loc): New function.
2115 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2116 to determine position of new blocks.
2117 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2119 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2120 argument to duplicate_block.
2121 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2122 Pass position to copy_bbs.
2124 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2126 * fold-const.c (ptr_difference_const): Use
2127 cst_and_fits_in_hwi instead of host_integerp.
2129 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2131 * config/darwin.c (gen_pic_offset): New.
2132 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
2135 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
2137 PR tree-optimization/23486
2138 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2140 2005-08-23 Phil Edwards <phil@codesourcery.com>
2142 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
2143 remove use_collect2.
2144 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
2146 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
2147 configuration files to override the default value.
2149 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
2150 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2151 * config/vx-common.h: New file, split out from...
2152 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
2153 * config/vxworksae.h: New file, for VxWorks AE.
2154 * config/vxworks.opt: New file.
2155 * config/vxlib.c: Update for VxWorks 6.
2157 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
2158 other MULTILIB_* variables appropriately.
2159 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
2160 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
2161 * config/rs6000/vxworks.h: Update for VxWorks 6.
2162 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
2164 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
2167 * config/darwin.c (machopic_select_section): Remove the hack to
2168 mark "::operator new" and "::operator delete" for coalescing
2169 even though they are not weak.
2171 2005-08-24 Alan Modra <amodra@bigpond.net.au>
2173 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2174 * configure: Regenerate.
2176 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2179 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2181 * convert.c (convert_to_integer, convert_to_vector): Likewise.
2182 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2185 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2187 * config/rs6000/predicates.md (equality_operator): New.
2188 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2189 comparison with a large constant.
2191 2005-08-23 Mark Mitchell <mark@codesourcery.com>
2193 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2195 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
2197 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2198 registers is even, and we have a hardware double precision fp,
2200 (sh_gimplify_va_arg_expr): For floating point arguments, consider
2201 size of current argument when checking if argument was passed in
2204 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2207 * stor-layout.c (finalize_type_size): Dont override
2208 existing alignment with a smaller alignment from the mode.
2210 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2212 * lambda-code.c (lambda_vector_lexico_pos): Moved...
2213 * lambda.h (lambda_vector_lexico_pos): ... here.
2214 * tree-data-ref.c (build_classic_dist_vector): Return false when
2215 the distance vector is lexicographically negative.
2217 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2219 PR tree-optimization/23511
2220 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2221 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2223 2005-08-23 Jakub Jelinek <jakub@redhat.com>
2225 PR tree-optimization/22043
2226 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2227 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2228 If ALLOW_FLEXARR, handle types ending with flexible array member.
2229 Pass false as second argument to recursive count_type_elements calls.
2230 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2231 argument to count_type_elements call.
2232 * tree-sra.c (decide_block_copy): Likewise.
2233 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2234 for a constant-sized object, set cleared as well. Pass true as
2235 second argument to count_type_elements call.
2237 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2240 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2241 from legitimate_small_data_p, and make global. Update use.
2242 Remove forward declaration.
2243 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2245 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2247 2005-08-23 David Edelsohn <edelsohn@gnu.org>
2249 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2250 of scratch intermediates.
2251 (eq<mode>_compare): Same.
2252 (neg_eq0<mode>): New.
2253 (neg_eq<mode>): Convert to define_insn_and_split.
2255 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2258 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2259 stdarg functions, set/clear the fp marker even when no variable
2261 * config/rs6000/sysv4.opt (mprototype): Describe.
2263 2005-08-22 Jakub Jelinek <jakub@redhat.com>
2265 PR rtl-optimization/23478
2266 * regs.h (reg_info): Add throw_calls_crossed.
2267 (REG_N_THROWING_CALLS_CROSSED): Define.
2268 * flow.c (allocate_reg_life_data): Initialize
2269 REG_N_THROWING_CALLS_CROSSED.
2270 (propagate_one_insn, attempt_auto_inc): Update
2271 REG_N_THROWING_CALLS_CROSSED.
2272 * global.c (global_alloc): Don't allocate pseudos across
2273 calls that may throw.
2275 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
2278 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2279 value is inbetween the range if we did not find an exact match.
2281 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
2283 * doc/invoke.texi (Option Summary): Add ms1 options.
2284 * doc/extend.texi: Document interrupt handler attribute for ms1.
2285 * doc/md.texi: Document ms1 constraints.
2286 * config.gcc: Add ms1-*-elf.
2287 * config/ms1/ms1.h: New.
2288 * config/ms1/ms1.c: New.
2289 * config/ms1/ms1.md: New.
2290 * config/ms1/ms1-protos.h: New.
2291 * config/ms1/ABI.txt: New.
2292 * config/ms1/crti.asm: New.
2293 * config/ms1/crtn.asm: New.
2294 * config/ms1/lib2extra-funcs.c: New.
2295 * config/ms1/t-ms1: New.
2296 * config/ms1/ms1.opt: New.
2298 2005-08-22 Ira Rosen <irar@il.ibm.com>
2300 * config/rs6000/altivec.md (xorv4sf3): New.
2301 (negv4sf2, neg<mode>2): Likewise.
2303 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
2306 * config/ia64/ia64.md (divsi3): Check divide by zero.
2307 (udivsi3): Likewise.
2309 (udivdi3): Likewise.
2311 2005-08-21 Jakub Jelinek <jakub@redhat.com>
2313 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2314 up to elem_bitsize bits, not max_bitsize.
2316 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2318 PR tree-optimization/23433
2319 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2320 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2322 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2324 PR tree-optimization/23434
2325 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2326 the iteration bound is not an INTEGER_CST.
2328 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
2330 * tree-vect-transform.c (get_initial_def_for_reduction): Set
2331 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2332 NULL if need_epilog_adjust is false.
2333 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2334 Case 3 always peels first itration, not just for PLUS case, and no need
2335 to use scalar_initial_def here. Create an epilog adjustment only if
2336 scalar_initial_def is not NULL.
2338 (vectorizable_reduction): Remove assert.
2340 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
2343 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
2344 (__moddi3): Likewise.
2345 (__udivdi3): Likewise.
2346 (__umoddi3): Likewise.
2347 (__divsi3): Likewise.
2348 (__modsi3): Likewise.
2349 (__udivsi3): Likewise.
2350 (__umodsi3): Likewise.
2352 2005-08-20 Jakub Jelinek <jakub@redhat.com>
2354 * tree-pass.h (TDF_GRAPH): Define.
2355 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
2356 * passes.c (finish_optimization_passes): Only call
2357 finish_graph_dump_file if TDF_GRAPH is set.
2358 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
2359 NULL. Set TDF_GRAPH bit.
2360 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
2362 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
2364 * arm.h (arm_stack_offsets): Add locals_base field.
2365 * arm.c (arm_get_frame_offsets): Compute it.
2366 (thumb_compute_initial_elimination offset): Make the Thumb frame
2367 pointer point to the base of the local variables.
2368 (thumb_expand_prologue): Update accordingly.
2369 (thumb_expand_epilogue): Likewise.
2371 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
2372 mode of clobbered scratch to DImode. Handle a case that's known to
2375 2005-08-19 David Edelsohn <edelsohn@gnu.org>
2377 * config/rs6000/rs6000.md (gt0<mode>): Delete.
2378 (gt0<mode>_compare): Delete.
2379 (neg_gt0<mode>): Delete.
2381 2005-08-19 Eric Christopher <echristo@apple.com>
2383 * optabs.h: Change CTI_ to COI_.
2386 2005-08-19 James E Wilson <wilson@specifix.com>
2388 * builtins.c (expand_builtin_return_addr): Set
2389 current_function_accesses_prior_frames when count != 0. Use
2390 frame_pointer_rtx when count == 0.
2391 * function.h (struct function): Add accesses_prior_frames field.
2392 (current_function_accesses_prior_frames): Define.
2393 * reload1.c (init_elim_table): Check
2394 current_function_accesses_prior_frames.
2395 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
2397 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2399 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
2400 indicator. Return true if the flowgraph changed during
2403 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2406 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
2407 conditional expression before testing its value.
2409 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2411 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
2413 2005-08-19 Devang Patel <dpatel@apple.com>
2415 PR tree-optimization/23048
2416 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
2417 third parameter. Check whether latch is dominated by exit
2419 (if_convertible_loop_p): Supply exit block itself to
2420 if_convertible_bb_p.
2422 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2425 * arm.md (arm_load_pic_register): Change argument to the mask of
2426 saved registers. Call thumb_find_work_register if we need a
2427 scratch register on Thumb.
2428 (arm_expand_prologue): Pass empty register set to
2429 arm_load_pic_register.
2430 (thumb_expand_prologue): Pass live_regs_mask directly to
2431 arm_load_pic_register.
2432 * arm-protos.h (arm_load_pic_register): Update prototype.
2434 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
2436 * sh.c (find_sole_member): New function.
2437 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
2438 if the record's alignment is larger than the size of its only member.
2440 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2443 * arm.c (thumb_legitimize_reload_address): New function.
2444 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
2445 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
2447 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
2449 * config/crx/crx.c: Implement crx_decompose_address. Reject
2450 symbolic displacements since CRX register relative adressing
2451 mode can't handle unsigned 32-bit values as displacements.
2452 * config/crx/crx.h: Simplify definitions, remove redundant
2453 parenthesis and obsolete macros.
2454 * config/crx/crx.opt: Add new switch for debugging addresses.
2455 * config/crx/crx-protos.h: Add new declarations for above.
2457 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
2460 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
2463 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2465 * collect2.c (dup2): Delete.
2466 * configure.ac: Don't check for dup2.
2468 * config.in, configure: Regenerate.
2470 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
2472 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
2473 record with the type of its only member.
2475 2005-08-18 David Edelsohn <edelsohn@gnu.org>
2477 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
2478 define_insn_and_split.
2479 (plus_ltu<mode>_compare): Same.
2480 (gtu<mode>_compare): Same.
2481 (plus_gtu<mode>_compare): Same.
2483 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
2485 PR tree-optimization/22228
2486 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
2488 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
2489 are recorded in vect_vnames_to_rename for renaming.
2490 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
2491 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
2492 in vect_vnames_to_rename.
2493 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
2494 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
2496 2005-08-18 Jan Hubicka <jh@suse.cz>
2499 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
2500 info only for local statics, not for member variables.
2502 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2504 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
2506 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2508 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
2510 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
2513 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
2515 2005-08-17 James E Wilson <wilson@specifix.com>
2517 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2520 2005-08-17 David Edelsohn <edelsohn@gnu.org>
2522 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
2523 (leu<mode>_compare): Same.
2524 (plus_leu<mode>): Same.
2525 (neg_leu<mode>): Same.
2526 (and_neg_leu<mode): Same.
2527 (ltu<mode>_compare): Same.
2528 (plus_ltu<mode>): Same.
2530 (geu<mode>_compare): Same.
2531 (plus_geu<mode>): Same.
2532 (neg_geu<mode>): Same.
2533 (and_neg_geu<mode>): Same.
2534 (plus_gt<mode>): Same.
2535 (gtu<mode>_compare): Same.
2536 (plus_gtu<mode>): Same.
2538 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
2540 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
2541 Move call_table_data to end. Delete spurious .text.
2542 (callt_save_all_interrupt): Fix comment typo.
2544 2005-08-17 James E Wilson <wilson@specifix.com>
2545 Kevin Winchester <winchester@amirix.com>
2548 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
2550 2005-08-17 Uros Bizjak <uros@kss-loka.si>
2553 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
2554 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
2556 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
2558 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
2559 record with the type of its only member if the modes don't match.
2561 * varasm.c (decode_reg_name): Skip empty additional register names.
2563 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2565 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
2566 lsm_tmp_name_length): New.
2567 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
2568 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
2570 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2571 Andreas Krebbel <krebbel1@de.ibm.com>
2573 * config.gcc: Added z9-109 switch.
2574 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
2575 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
2576 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
2577 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
2578 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
2579 for "z9_109" cpu attribute.
2580 * config/s390/s390.c (z9_109_cost): New processor cost structure.
2581 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
2582 (s390_handle_arch_option): Added z9-109 switch.
2583 (override_options): Set respective cost function for z9-109.
2584 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
2585 (legitimate_reload_constant_p): Accept extended immediates.
2586 (print_operand): Three new output modifiers added: k, m and o.
2587 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
2588 (s390_output_mi_thunk): Use extended immediate when possible.
2589 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
2590 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
2591 (CONSTRAINT_LEN): Added length of O constraint.
2592 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
2593 * config/s390/s390.md ("cpu"): New value z9_109 added.
2594 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
2595 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
2596 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
2597 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
2598 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
2599 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
2600 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
2601 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
2602 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
2603 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2604 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
2605 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
2606 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
2607 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
2608 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
2610 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
2611 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
2612 insns for TARGET_EXTIMM.
2614 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
2616 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
2618 2005-08-17 Nick Clifton <nickc@redhat.com>
2620 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
2621 Call default_encode_section_info.
2623 2005-08-17 Steven Bosscher <stevenb@suse.de>
2625 PR tree-optimization/21574
2626 * tree-ssa-ccp.c (likely_value): If the right hand side is a
2627 constant, return CONSTANT.
2628 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
2629 (ccp_fold, visit_assignment): Likewise.
2630 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
2632 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
2634 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
2635 fold_buildN instead of buildN then fold_initializer or fold.
2636 (build_unary_op): Likewise.
2637 (build_binary_op): Likewise.
2638 * fold-const.c (fold_initializer): Remove.
2639 (fold_build1_initializer): New function.
2640 (fold_build2_initializer): New function.
2641 (fold_build3_initializer): New function.
2642 * tree.h (fold_initializer): Remove.
2643 (fold_build1_initializer): New function.
2644 (fold_build2_initializer): New function.
2645 (fold_build3_initializer): New function.
2647 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
2649 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
2650 (try_move_mult_to_index): Call fold_build2 instead of build2.
2651 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
2652 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
2653 fold_binary_to_constant.
2654 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
2656 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
2657 check if A == gcd (A, B). Remove TYPE argument.
2658 (analyze_offset) Use fold_build2 instead of fold (build.
2659 (create_data_ref): Likewise.
2660 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
2661 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
2664 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
2666 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
2667 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
2669 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
2672 * gimplify.c (zero_sized_type): New function.
2673 (gimplify_modify_expr_rhs): If we have a zero sized type,
2674 replace the statement with an empty statement.
2676 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
2678 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
2681 2005-08-16 Ian Lance Taylor <ian@airs.com>
2683 * doc/tm.texi (Label Output): Correct typo.
2685 2005-08-16 Steven Bosscher <stevenb@suse.de>
2688 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
2689 force_operand will work later on using have_insn_for.
2691 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2693 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
2695 2005-08-16 Ian Lance Taylor <ian@airs.com>
2698 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
2699 vector type, don't try to construct it element by element. Add an
2700 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
2702 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2704 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
2706 2005-08-16 Geoffrey Keating <geoffk@apple.com>
2708 * doc/invoke.texi (Precompiled Headers): Document some more options
2709 which are known to be safe.
2711 2005-08-16 James E Wilson <wilson@specifix.com>
2713 PR tree-optimization/21105
2714 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2715 TREE_OVERFLOW check.
2717 2005-08-16 David Edelsohn <edelsohn@gnu.org>
2719 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
2720 (neg_ltu<mode>): Same.
2722 (neg_gtu<mode>): Same.
2724 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2726 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
2727 (fold_builtin_isdigit): Use fold_buildN.
2728 (build_function_call_expr): Likewise.
2729 * c-typeck.c (c_finish_loop): Likewise.
2731 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
2732 Richard Shann <rshann@superh.com>
2734 PR middle-end/20396:
2735 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
2737 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
2739 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
2741 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
2744 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
2745 arm_compure_save_reg0_reg12_mask to determine when the PIC register
2748 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2751 * fold-const.c (build_range_check): Disable optimization for function
2752 pointer expressions on targets that require function pointer
2755 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
2757 * simplify-rtx.c (simplify_const_relational_operation): When
2758 extracting arguments of a COMPARE, recompute the mode as well.
2760 2005-08-15 Ian Lance Taylor <ian@airs.com>
2762 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2764 2005-08-15 DJ Delorie <dj@redhat.com>
2766 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2768 (movsi_splittable): Allow, but split, moves to the stack.
2769 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2772 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2774 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2775 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2776 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
2778 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2779 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2780 Delete HOST_PTR_PRINTF.
2782 * configure, config.in: Regenerate.
2784 2005-08-15 David Edelsohn <edelsohn@gnu.org>
2786 * config/rs6000/rs6000.md (QHSI): New mode macro.
2787 (wd): Extend mode attr for QImode and HImode
2788 (dbits): New mode attr.
2789 (zero_extend<mode>di2): Convert to mode macro.
2791 2005-08-15 Steve Ellcey <sje@cup.hp.com>
2794 * doc/invoke.texi (-mgnu-ld): Update description.
2797 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2800 * Makefile.in (tree-chrec.o): Depends on real.h.
2801 * tree-chrec.c: Include real.h.
2802 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2803 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2804 * tree-scalar-evolution.c (add_to_evolution_1,
2805 interpret_rhs_modify_expr): Ditto.
2807 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2810 * tree-data-ref.c (estimate_niter_from_size_of_data): When
2811 step is negative compute the estimation from init downwards to zero.
2813 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
2815 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2817 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2819 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2821 (legitimate_reload_constant_p): Fix handling of lliXX operands.
2822 Accept double-word constants that can be split.
2823 * config/s390/s390.md ("movti"): Use 'P' constraint.
2824 ("*movdi_31", "*movdf_31"): Likewise.
2826 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
2828 Fix PR tree-optimization/22615
2830 * tree-ssa-structalias.c (solution_set_add): Handle
2831 first_vi_for_offset returning NULL.
2832 (do_da_constraint): Ditto.
2833 (do_sd_constraint): Ditto.
2834 (do_ds_constraint): Ditto
2835 (find_func_aliases): Ditto.
2836 (build_constraint_graph): RHS is allowed be ANYTHING.
2837 (first_vi_for_offset): Return NULL if we couldn't find anything at
2840 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2842 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
2843 over memory as first operand.
2845 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
2848 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
2849 available for setting it.
2851 2005-08-14 Ira Rosen <irar@il.ibm.com>
2853 PR tree-optimization/23320
2854 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
2855 data-refs' types instead of base object nullness. Add check for
2856 pointer type data-refs before first location comparison. Remove
2859 2005-08-14 Andreas Schwab <schwab@suse.de>
2861 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
2863 2005-08-13 James E Wilson <wilson@specifix.com>
2865 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
2866 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
2867 -fstack-protector-all, --param ssp-buffer-size): Document.
2868 (-Wvariadic-macros): Alphabetize.
2869 (-fsched-stalled-insns-dep): Add missing 'f'.
2871 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
2874 2005-08-13 David Edelsohn <edelsohn@gnu.org>
2876 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
2877 or indirect address operand.
2878 (EXTRA_ADDRESS_CONSTRAINT): New.
2879 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
2881 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
2883 PR tree-optimization/22236
2884 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
2885 successors and predecessors.
2886 * tree-chrec.c (chrec_convert): Before converting, check that
2887 sequences don't wrap.
2888 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
2889 (analyze_array): Extern.
2890 (find_data_references_in_loop): Remove call to
2891 compute_estimated_nb_iterations.
2892 * tree-data-ref.h (analyze_array): Declared.
2893 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2894 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2895 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
2896 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
2898 * tree-ssa-loop-ivcanon.c: Fix documentation.
2899 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2900 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2901 (infer_loop_bounds_from_undefined): New.
2902 (estimate_numbers_of_iterations_loop): Use
2903 infer_loop_bounds_from_undefined.
2904 (used_in_pointer_arithmetic_p): New.
2905 (scev_probably_wraps_p): Pass an extra parameter. Call
2906 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
2907 (convert_step): Fix documentation.
2908 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2909 Use initial_condition_in_loop_num and evolution_part_in_loop_num
2910 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
2911 scev_probably_wraps_p.
2913 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
2915 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2916 (s390_register_info): Ignore clobbered_regs information for fixed
2917 registers, and only fixed registers.
2918 (s390_init_frame_layout): Remove redundant call.
2920 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
2922 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2923 description of -Wold-style-casts.
2925 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2926 Jakub Jelinek <jakub@redhat.com>
2928 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2929 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2930 * config/s390/s390.c (print_operand): New output modifier 'G' added.
2931 (get_thread_pointer): Renamed to s390_get_thread_pointer.
2932 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2933 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2934 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2935 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2936 ("stack_protect_set", "stack_protect_test"): New expanders.
2937 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2938 "stack_protect_testdi"): New insn definitions.
2940 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2942 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2944 2005-08-12 Paul Brook <paul@codesourcery.com>
2946 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2948 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2950 * config/s390/predicates.md (setmem_operand): New predicate.
2951 (shift_count_operand): Accept ANDs with special constants as
2953 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2954 with special constants.
2955 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2956 shift_count_operand with setmem_operand.
2958 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2960 * config/s390/s390.c (s390_extract_part, s390_single_part):
2962 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2963 (s390_output_mi_thunk): Don't use lg on 31 bit.
2964 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2965 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2967 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2969 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2970 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2971 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2972 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2973 with one of the new macros.
2975 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2977 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
2978 Don't set save_return_addr_p.
2979 (s390_register_info): Make clobbered_regs not depending on
2982 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
2984 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
2985 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
2987 2005-08-11 James E. Wilson <wilson@specifix.com>
2989 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
2991 2005-08-11 Jakub Jelinek <jakub@redhat.com>
2993 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
2994 locations gathered by var-tracking in single entry loc_list
2995 over loc_descriptor_from_tree.
2997 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
2998 pass it down to loc_descriptor.
2999 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
3000 (containing_function_has_frame_base): Move earlier in the file.
3001 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
3002 instead of always assuming fbreg can't be used.
3004 2005-08-11 David Edelsohn <edelsohn@gnu.org>
3006 * config/rs6000/altivec.md: Change constraint "m" to "Z".
3007 * config/rs6000/predicates.md (indexed_or_indirect_operand):
3008 Accept address wrapped in AND for Altivec.
3009 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
3010 Strip AND wrapping offset address for Altivec.
3012 2005-08-11 Richard Henderson <rth@redhat.com>
3015 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
3016 before using TYPE_IS_SIZETYPE.
3018 2005-08-11 Richard Henderson <rth@redhat.com>
3021 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
3022 insn types not present on ev4.
3023 (alphaev5_insn_pipe): Similarly.
3025 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
3028 * arm.c (arm_override_options): If the user has selected callee-super-
3029 interworking, then enable normal interworking.
3031 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3033 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
3036 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
3038 * doc/rtl.texi: Fix two typos.
3040 2005-08-11 Richard Guenther <rguenther@suse.de>
3043 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
3044 cases where we call to/from functions returning void.
3046 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
3049 * tree.c (build_pointer_type_for_mode): Robustify.
3051 2005-08-10 James E Wilson <wilson@specifix.com>
3053 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
3054 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
3056 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
3059 2005-08-10 Eric Christopher <echristo@apple.com>
3061 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
3062 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
3065 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
3068 * config/darwin.c (machopic_indirect_data_reference): Use a new register
3069 for the high part when generating dynamic-no-pic code.
3071 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
3073 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
3074 (x86_64-*-linux*): Likewise.
3076 * config/i386/crtfastmath.c: New file.
3077 * config/i386/t-crtfm: Likewise.
3079 * config/i386/linux.h (ENDFILE_SPEC): New.
3080 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
3082 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3085 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
3087 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
3088 (vec_shl, vec_shr): Document new operations.
3089 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
3091 2005-08-10 David Edelsohn <edelsohn@gnu.org>
3093 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
3094 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
3095 change predicate to indexed_or_indirect_address.
3097 2005-08-10 Richard Sandiford <richard@codesourcery.com>
3099 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
3100 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
3101 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
3102 and __aeabi_uwrite8.
3103 * config/arm/unaligned-funcs.c: New file.
3104 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
3106 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
3108 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
3110 * cfglayout.c (pass_insn_locators_initialize): Add dump.
3111 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
3113 * except.c (pass_convert_to_eh_region_ranges): Add dump.
3114 * final.c (pass_shorten_branches): Add dump.
3115 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
3116 (pass_life): Rename dump.
3117 (rest_of_handle_flow2): Remove initial verify_flow_info.
3118 * function.c (pass_instantiate_virtual_regs): Add dump.
3119 * integrate.c (pass_initial_value_sets): Add dump.
3120 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
3121 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
3122 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
3123 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
3124 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
3125 gate_rtl_unrool_and_peel_loops): New.
3126 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
3127 rtl_doloop): Do not look at flags.
3128 * mode-switching.c (pass_mode_switching): Add dump.
3129 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
3130 pass_split_before_regstack): Add dump.
3131 * regmove.c (pass_stack_adjustments): Add dump.
3132 * tree-optimize.c (pass_fixup_cfg): Add dump.
3134 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3137 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
3138 deciding which instruction sequence to use.
3140 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
3142 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
3143 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
3145 2005-08-09 Richard Guenther <rguenther@suse.de>
3147 * c-common.c (builtin_function_2): Remove.
3148 (def_builtin_1): New function.
3149 (c_common_nodes_and_builtins): Use def_builtin_1 to
3150 build builtin functions.
3152 2005-08-09 Jie Zhang <jie.zhang@analog.com>
3154 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
3155 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3156 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
3159 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3161 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
3162 fold_binary instead of fold_build2 since we don't care about the
3164 (loop_niter_by_eval): Likewise.
3165 (compare_trees): Likewise.
3166 (proved_non_wrapping_p): Likewise.
3168 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3172 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
3173 if the if is really empty.
3175 2005-08-09 Steven Bosscher <stevenb@suse.de>
3177 PR tree-optimization/23234
3178 * tree-ssa-math-opts.c (place_reciprocal): New enum.
3179 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
3180 argument of the new enum.
3181 (execute_cse_reciprocals): Add reciprocals for function arguments
3182 on the unique successor edge of the entry block. Update other calls
3183 to execute_cse_reciprocals_1.
3185 2005-08-08 Richard Henderson <rth@redhat.com>
3188 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3190 2005-08-08 Bob Wilson <bob.wilson@acm.org>
3192 * expr.c (write_complex_part): Return after handling MEM.
3194 2005-08-08 Josh Conner <jconner@apple.com>
3196 PR rtl-optimization/23241
3197 * combine.c (simplify_comparison): Fix error in determining
3198 whether to lift a subreg from comparison.
3200 2005-08-08 David Edelsohn <edelsohn@gnu.org>
3203 * config/rs6000/altivec.md (vec_init<mode>): New.
3204 (vec_set<mode>): New.
3205 (vec_extract<mode>): New.
3206 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3207 (rs6000_expand_vector_set): New.
3208 (rs6000_expand_vector_extract): New.
3209 (rs6000_legitimate_offset_address_p): Offset addresses are valid
3210 for Altivec modes before reload.
3211 (altivec_expand_vec_init_builtin): New.
3212 (get_element_number): New.
3213 (altivec_expand_vec_set_builtin): New.
3214 (altivec_expand_vec_ext_builtin): New.
3215 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3217 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3219 * config/rs6000/rs6000.h (rs6000_builtins): Add
3220 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3221 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3222 * config/rs6000/rs6000-protos.h: Declare new functions.
3224 2005-08-08 Jan Hubicka <jh@suse.cz>
3226 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3227 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3228 * i386.md (movdi*): Use pic_32bit_operand.
3229 * predicates.md (pic_32bit_operand): New.
3231 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
3234 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3236 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
3238 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3239 (test_for_singularity): Use fold_build2.
3241 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3243 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3245 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
3247 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3248 (COMMON_ASM_OP) Define.
3249 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3250 (ix86_encode_section_info): Likewise.
3251 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3252 SUBTARGET_ENCODE_SECTION_INFO.
3254 2005-08-06 Richard Henderson <rth@redhat.com>
3257 * tree-nested.c (convert_local_reference): Save and restore val_only
3258 around component_ref and friends. Clear walk_subtrees by default.
3260 2005-08-06 Peter O'Gorman <peter@pogma.com>
3263 * gcc.c (process_command): Check the argument to -b has a dash.
3264 * doc/invoke.texi: Update -b and -V docs.
3266 2005-08-06 James E Wilson <wilson@specifix.com>
3268 * config/mips/cross64.h, config/mips/t-cross64: Delete.
3270 2005-08-06 Michael Matz <matz@suse.de>
3272 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
3273 member only if only one insn is associated with the value.
3275 2005-08-06 Nick Clifton <nickc@redhat.com>
3277 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
3279 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
3280 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
3281 Check symbol flags instead of symbol name mangling.
3282 (xstormy16_asm_output_aligned_common): Likewise. Also
3283 simplify code since the bss100_section cass is the only case
3284 where the below100 code will be triggered.
3285 (xstormy16_encode_section_info): Encode below100 attribute
3286 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
3288 (xstormy16_strip_name_encoding): Delete - this function is no
3290 (TARGET_STRIP_NAME_ENCODING): Undefine.
3291 * config/stormy16/stormy16-protos.h: Delete prototype for
3292 xstormy16_strip_name_encoding.
3294 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
3296 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
3297 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
3298 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
3299 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
3300 config/alpha/predicates.md, config/arc/arc.h,
3301 config/arm/arm.h, config/arm/ieee754-df.S,
3302 config/arm/ieee754-sf.S, config/bfin/bfin.c,
3303 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
3304 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
3305 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
3306 config/m68hc11/m68hc11.h, config/mips/mips.c,
3307 config/mips/mips.h, config/mips/openbsd.h,
3308 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
3309 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
3310 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3311 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3312 config/sparc/linux.h, config/sparc/linux64.h,
3313 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
3314 doc/extend.texi, doc/gcov.texi, doc/install.texi,
3315 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
3316 typos. Follow spelling conventions.
3318 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
3321 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
3322 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
3323 specially. Check for side effects only for COND_EXPR.
3324 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
3325 return with TREE_NO_WARNING.
3327 2005-08-06 Richard Sandiford <richard@codesourcery.com>
3329 PR rtl-optimization/23233
3330 * loop.c (combine_movables): Require the modes to be the same.
3331 (move_movables): Remove handling of cases where the replacement
3332 had a different mode to the original.
3334 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
3336 PR tree-optimization/23128
3337 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
3338 subtraction wrap, and set TREE_OVERFLOW if they do.
3340 2005-08-05 Richard Henderson <rth@redhat.com>
3343 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
3344 FORCED_LABEL labels.
3346 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
3349 * reload.c (find_reloads_subreg_address): Pass down TYPE
3350 unchanged. Change all callers except find_reloads_toplev.
3352 2005-08-05 Michael Matz <matz@suse.de>
3354 * genattrtab.c (current_alternative_string): Remove.
3355 (SIMPLIFY_ALTERNATIVE): Ditto.
3356 (attr_alt_bit_p): Ditto.
3357 (alternative_name): Make const char *.
3358 (evaluate_eq_attr): Remove use of above things.
3359 (simplify_test_exp): Ditto.
3360 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
3361 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
3363 2005-08-04 James E Wilson <wilson@specifix.com>
3365 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
3366 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
3367 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
3368 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
3369 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
3371 2005-08-04 Richard Henderson <rth@redhat.com>
3374 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
3375 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
3376 * tree-sra.c (decide_block_copy): Use it. Disable element copy
3377 if we'd have to instantiate too many members.
3379 2005-08-04 Richard Henderson <rth@redhat.com>
3382 * tree-outof-ssa.c (coalesce_asm_operands): New.
3383 (coalesce_ssa_name): Use it. Split out ...
3384 (coalesce_phi_operands, coalesce_result_decls): ... these.
3386 2005-08-04 Paul Brook <paul@codesourcery.com>
3388 * read-rtl.c (read_quoted_string): Break if EOF.
3390 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
3392 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
3393 (fold_build2): Likewise.
3394 (fold_build3): Likewise.
3395 (fold_build1_stat): New function prototype.
3396 (fold_build2_stat): Likewise.
3397 (fold_build3_stat): Likewise.
3398 * fold-const.c (fold_build1): Rename to ..
3399 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3400 through to build1_stat.
3401 (fold_build2): Rename to ..
3402 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3403 through to build2_stat.
3404 (fold_build3): Rename to ..
3405 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3406 through to build3_stat.
3408 2005-08-04 David Edelsohn <edelsohn@gnu.org>
3409 Ian Lance Taylor <ian@airs.com>
3411 * function.c (assign_stack_local_1): Do not correct stack slot
3412 address if allocation size is smaller than mode size.
3414 2005-08-04 Diego Novillo <dnovillo@redhat.com>
3417 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
3418 (tree_merge_blocks): Propagate anything allowed by
3420 Clarify documentation.
3421 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
3422 SSA form, schedule an update if necessary.
3424 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
3426 * doc/install.texi (Binaries): Remove broken link to
3427 Sinix/Reliant Unix binaries.
3429 2005-08-03 Richard Henderson <rth@redhat.com>
3432 * function.c (stack_protect_epilogue): Export.
3433 * tree.h (stack_protect_epilogue): Declare.
3434 * calls.c (expand_call): Call it.
3436 2005-08-03 Eric Christopher <echristo@apple.com>
3438 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
3439 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
3442 2005-08-04 Jan Hubicka <jh@suse.cz>
3444 * profile.c (branch_prob): Split edges with goto locus on them
3445 to get proper line counts.
3446 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
3448 2005-08-03 Paul Brook <paul@codesourcery.com>
3450 * function.c (assign_parms): Round current_function_args_size
3451 to PARM_BOUNDARY, not STACK_BOUNDARY.
3453 2005-08-03 Geoffrey Keating <geoffk@apple.com>
3455 * config/i386/i386.c (x86_elf_aligned_common)
3456 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
3458 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
3460 PR tree-optimization/23157
3461 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
3462 before emitting them.
3464 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3466 PR tree-optimization/19899
3467 * Makefile.in (tree-scalar-evolution.o): Add real.h.
3468 * tree-scalar-evolution.c: Include real.h.
3469 (add_to_evolution): Build constant -1 of correct type.
3471 2005-08-03 Jan Hubicka <jh@suse.cz>
3473 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
3474 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
3475 profile updating for complette unrolling.
3476 * loop-unroll.c (peel_loop_completely): Use it.
3477 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
3478 (tree_unroll_loops_completely): Disable code growing unrolling of cold
3481 2005-08-03 Paul Brook <paul@codesourcery.com>
3483 * combine.c (can_change_dest_mode): New function.
3484 (try_combine, simplify_set): Use it.
3486 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
3488 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
3491 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
3493 * doc/install.texi (Specific): Adjust link to openavr.org.
3494 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
3495 (Binaries): Adjust HP-UX Porting Center link.
3496 (Binaries): Adjust Free Software Foundation ordering link.
3498 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
3500 * convert.c (convert_to_integer): Use fold_build1 instead of
3501 build1 when converting an integer to an integer.
3503 2005-08-02 Richard Henderson <rth@redhat.com>
3505 * combine.c (combine_instructions): Don't use reg_equal/equiv
3506 results if the mode doesn't match.
3508 2005-08-02 Mark Mitchell <mark@codesourcery.com>
3510 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
3511 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
3513 2005-08-02 Richard Henderson <rth@redhat.com>
3516 * explow.c (memory_address): Remove special-case for
3517 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
3519 2005-08-02 Diego Novillo <dnovillo@redhat.com>
3522 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
3523 number of calls to cleanup_tree_cfg_1.
3525 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
3527 * doc/invoke.texi: document file extensions .F90 and .F95
3529 2005-08-02 Richard Guenther <rguenther@suse.de>
3531 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
3532 positive if its first argument is positive.
3534 2005-08-02 Richard Guenther <rguenther@suse.de>
3536 PR tree-optimization/23177
3537 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
3540 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
3542 PR tree-optimization/23129
3543 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
3544 varying for divisions with anti-ranges.
3546 2005-08-02 Jan Hubicka <jh@suse.cz>
3548 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
3549 * tree-ssa-threadupdate.c (thread_block): Add it here.
3551 2005-08-01 James E Wilson <wilson@specifix.com>
3553 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
3554 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
3555 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
3557 * config/mips/predicates.md (const_call_insn_operand): Add check for
3558 SYMBOL_REF_LONG_CALL_P.
3559 * doc/extend.texi (long_call): Document the new attribute.
3561 2005-08-01 Ian Lance Taylor <ian@airs.com>
3562 Richard Henderson <rth@redhat.com>
3564 * Makefile.in (RTL_BASE_H): Add real.h.
3565 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
3567 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
3569 * rtl.c (rtl_check_failed_code_mode): New.
3570 * rtl.h (struct rtx_def): Add u.rv.
3571 (XCMWINT, XCNMPRV): New.
3572 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
3573 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
3575 2005-08-01 Richard Henderson <rth@redhat.com>
3577 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
3578 with auto-inc codes.
3580 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
3582 2005-08-01 Jan Hubicka <jh@suse.cz>
3584 * i386-protos.h (asm_preferred_eh_data_format): Declare.
3585 * i386.c: Include dwarf2.h
3586 (asm_preferred_eh_data_format): New.
3587 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
3589 2005-08-01 Ian Lance Taylor <ian@airs.com>
3591 * config/host-linux.c (linux_gt_pch_get_address): Add new name
3592 randomize_va_space for virtual address randomization control.
3594 2005-08-01 Steven Bosscher <stevenb@suse.de>
3596 * common.opt (flag_ipa_cp): Put in right place to maintain
3599 2005-08-01 Jan Hubicka <jh@suse.cz>
3601 * profile.c (compute_value_histograms): Fix thinko.
3602 * value-prof.c: Include toplev.h
3603 (check_counter): New function.
3604 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
3605 tree_mod_subtract_transform): Add sanity check.
3607 2005-08-01 Richard Guenther <rguenther@suse.de>
3609 PR tree-optimization/23133
3610 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
3611 current functions parameter decls to find defs to cse
3614 2005-08-01 Richard Guenther <rguenther@suse.de>
3616 PR tree-optimization/23109
3617 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
3618 If trapping math is in effect, use post-dominator information
3619 to check if we'd in any case reach a trapping point before
3620 doing the reciprocal insertion.
3621 (execute_cse_reciprocals): Compute post-dominators, if necessary.
3622 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
3623 expressions are invariant only if trapping math is not in effect.
3625 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
3627 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
3628 cgraph_function_versioning): New declarations.
3629 * cgraphunit.c: Add include to ipa-prop.h.
3630 (update_call_expr, cgraph_copy_node_for_versioning,
3631 cgraph_function_versioning): New functions.
3632 * integrate.c (copy_decl_for_inlining): Remove.
3633 * ipa-prop.h (ipa_replace_map): New struct.
3634 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
3635 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
3636 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
3637 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
3638 ipcp_iterate_stage, ipcp_method_scale_print,
3639 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
3640 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
3641 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
3642 ipcp_update_bb_counts, ipcp_update_profiling,
3643 ipcp_update_edges_counts): New functions.
3644 (ipcp_method_cval_init): Remove restriction regarding local methods.
3645 (ipcp_init_stage): Add ipcp_method_compute_scale.
3646 (ipcp_insert_stage): Add versioning.
3647 (ipcp_structures_print): Add ipcp_method_scale_print.
3648 (ipcp_driver): Dump profiling info.
3649 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
3650 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
3651 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
3652 (struct inline_data): Add versioning_p, ipa_info, new fields.
3653 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
3654 declare_return_variable): Replace calls to copy_decl_for_inlining with
3656 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
3658 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
3659 Add argument VERSIONING.
3660 (copy_arguments_for_versioning, copy_static_chain,
3661 function_versionable_p, tree_versionable_function_p,
3662 tree_function_versioning, replace_ref_tree): New functions.
3663 * tree-inline.h: Include varray.h.
3664 (tree_versionable_function_p, tree_function_versioning,
3665 tree copy_decl_for_dup): New declarations.
3667 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
3669 * ipa-cp.c: New file. Contains IPCP specific functionality.
3670 * ipa-prop.h: New file. Contains structures/definitions that can be
3671 used by several interprocedural data flow optimizations (and also IPCP).
3672 * ipa-prop.c: New file.
3673 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
3674 * common.opt: Add ipa-cp flag.
3675 * timevar.def: Add IPCP optimization.
3676 * tree-optimize.c (init_tree_optimization_passes): Schedule
3678 * tree-pass.h (pass_ipa_cp): Declare.
3680 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
3682 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
3683 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
3684 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
3685 config/i386/i386.c, config/mips/mips.h,
3686 config/rs6000/rs6000.h, config/sh/sh.c,
3687 config/stormy16/stormy16.c: Fix comment typos.
3689 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
3692 * c-typeck.c (build_binary_op): Use common_type wrapper on
3694 (common_type): Update comment.
3696 2005-07-31 Steven Bosscher <stevenb@suse.de>
3699 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
3700 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
3701 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
3703 2005-07-31 Jan Hubicka <jh@suse.cz>
3705 * pretty-print.h (pp_widest_integer): New macro.
3706 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
3709 2005-07-31 Jan Hubicka <jh@suse.cz>
3711 * output.h (enum section_category): Export from varasm.c
3712 (categorize_decl_for_section): Likewise.
3713 * varasm.c (enum section_category): Kill.
3714 (categorize_decl_for_section): Make global.
3715 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
3717 * i386.c (ix86_section_threshold): New static variable.
3718 (ix86_in_large_data_p, ix86_encode_section_info,
3719 x86_64_elf_unique_section,
3720 x86_64_elf_select_section): New functions.
3721 (TARGET_ENCODE_SECTION_INFO): Define
3722 (override_options): Enable medium model for PIC.
3723 (ix86_expand_prologue): Expand gen_set_got_rex64.
3724 (legitimate_constant_p): Handle new UNSPECs.
3725 (legitimate_pic_address_disp_p): Likewise.
3726 (legitimize_pic_address): Lower MEDIUM model addressing.
3727 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
3728 (enum cmodel): Add MEDIUM_PIC.
3729 (SYMBOL_REF_FAR_ADDR_P): New macro.
3730 (SYMBOL_FLAG_FAR_ADDR): New flag.
3731 * i386.md (movdi): Support medium model.
3732 (set_got_rex64): New pattern.
3733 * i386.opt (mlarge-data-threshold): New flag.
3734 * predicates.md (zext_operand/sext_operand): Deal with medium model.
3735 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
3736 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
3737 TARGET_ASM_UNIQUE_SECTION): New.
3739 * invoke.texi (-mlarge_data_threshold): Document
3741 2005-07-31 Jan Hubicka <jh@suse.cz>
3743 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
3744 (coalesce_vars): Likewise.
3745 * tree-ssa-live.c (coalesce_cost): New.
3746 (build_tree_conflict_graph): Use coalesce_cost.
3747 * tree-ssa-live.h (coalesce_cost): Declare.
3749 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
3751 * arm.md (all peepholes for post-increment operations): Delete.
3752 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
3753 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
3754 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
3755 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3756 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3758 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
3760 * fold-const.c (tree_expr_nonnegative_p): Always return true for
3763 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
3766 * doc/invoke.texi: Document -rdynamic.
3768 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
3771 * c-parser.c (c_parser_parms_list_declarator): Call
3772 mark_forward_parm_decls.
3773 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3774 decls with visibility structure.
3776 2005-07-30 Paul Brook <paul@codesourcery.com>
3778 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3780 2005-07-30 Paul Brook <paul@codesourcery.com>
3782 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3784 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3786 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3788 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3791 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3792 nested function declarators.
3793 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3794 (grokparms): Call warn_if_shadowing for parameters used within the
3796 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3797 not used within the parameter list.
3798 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3800 2005-07-30 Jan Hubicka <jh@suse.cz>
3802 * expr.c (expand_expr_real_1): Do not load mem targets into register.
3803 * i386.c (ix86_fixup_binary_operands): Likewise.
3804 (ix86_expand_unary_operator): Likewise.
3805 (ix86_expand_fp_absneg_operator): Likewise.
3806 * optabs.c (expand_vec_cond_expr): Validate dest.
3808 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3811 * real.c (real_from_string): Also set last bit if there is a
3812 nonzero hex digit beyond GCC's internal precision after ".".
3814 2005-07-29 David Edelsohn <edelsohn@gnu.org>
3816 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3817 define_constants. Change duplicate values to unassigned numbers.
3818 Change UNSPEC_SUBS to UNSPEC_VSUBS.
3819 (*altivec_vspltsf): New.
3820 (altivec_vperm_v4sf): Delete.
3821 (altivec_vperm_<mode>): Use mode macro V.
3822 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3823 (altivec_predicate_v4sf): Delete.
3824 (altivec_predicate_<mode>): Use mode macro V.
3825 (*altivec_lvesfx): New.
3826 (*altivec_stvesfx): New.
3827 (vec_realign_load_v4sf): Delete.
3828 (vec_realign_load_<mode>): Use mode macro V.
3829 * config/rs6000/rs6000.c (generate_set_vrsave): Use
3832 2005-07-29 Mark Mitchell <mark@codesourcery.com>
3835 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
3837 * configure: Regenerated.
3839 2005-07-29 Paul Brook <paul@codesourcery.com>
3841 * doc/install.texi: Add link to GFortran binaries wiki page.
3843 2005-07-29 David Ung <davidu@mips.com>
3845 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
3846 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
3847 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
3848 * config/mips/mips.md (cpu): Add 5kf name.
3849 (includes): Includes 5k.md.
3850 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
3851 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
3854 2005-07-29 Diego Novillo <dnovillo@redhat.com>
3857 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
3858 (cleanup_tree_cfg): ... here.
3859 Call cleanup_tree_cfg_1 until there are no more cleanups to
3862 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
3864 * tree-vrp.c (compare_range_with_value): Return true or false
3865 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
3866 EQ_EXPR respectively.
3868 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
3870 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
3873 2005-07-29 Diego Novillo <dnovillo@redhat.com>
3875 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
3876 (tree_ssa_dominator_optimize): Increment it.
3877 (dump_dominator_optimization_stats): Print it.
3879 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
3880 Steven Bosscher <stevenb@suse.de>
3882 PR rtl-optimization/23117
3883 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
3884 when head == tail. Tidy comment.
3886 2005-07-28 Richard Henderson <rth@redhat.com>
3888 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
3889 * cselib.c (rtx_equal_for_cselib_p): Likewise.
3890 * jump.c (rtx_renumbered_equal_p): Likewise.
3891 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3892 CONST_INT and CONST_DOUBLE.
3893 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3894 * reload.c (operands_match_p): Special case CONST_INT and
3895 CONST_DOUBLE; check mode earlier.
3897 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3900 * c-typeck.c (convert_for_assignment): Do not check
3901 DECL_IN_SYSTEM_HEADER on NULL fundecl.
3903 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3906 * c-typeck.c (composite_type): Prefer constant size arrays to
3909 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3912 * real.c (real_from_string): Set last bit if there is a nonzero
3913 hex digit beyond GCC's internal precision.
3915 2005-07-28 Richard Henderson <rth@redhat.com>
3918 * cfgcleanup.c (try_forward_edges): Watch out for end of
3921 2005-07-28 James E Wilson <wilson@specifixinc.com>
3924 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3926 2005-07-28 Jan Hubicka <jh@suse.cz>
3928 * Makefile.in (rtl-profile.o): Kill all traces of it.
3929 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3930 * coverage.h (rtl_coverage_counter_ref): Kill.
3931 * opts.c (flag_speculative_prefetching_set): Kill.
3932 (flag_loop_optimize_set): New.
3933 (common_handle_option): Disable loop optimizer when profiling;
3934 do not handle speculative prefetching.
3935 * passes.c (init_optimization_passes): Replace pass_profiling combo
3936 by branch_prob pass.
3937 * profile.c (compute_value_histograms): Update for simplified value
3939 (rtl_register_profile_hooks): Kill.
3940 (pass_profiling): Kill.
3941 (rest_of_handle_branch_prob): Do not profile.
3942 * toplev.c (process_options): Remove speculative prefetching.
3943 * toplev.h (flag_tree_based_profiling): Kill.
3944 * tree-profile.c (prepare_instrumented_value,
3945 tree_gen_interval_profiler, tree_gen_pow2_profiler,
3946 tree_gen_one_value_profiler, do_tree_profiling): Update for
3947 simplified datastructures.
3948 * value-prof.c: Add comment that speculative prefetching was dropped;
3949 update rest of file for simplified datastructures.
3950 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3951 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3952 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3953 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3954 rtl_mod_subtract, gen_speculative_prefetch,
3955 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3956 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3957 (gate_handle_value_profile_transformations,
3958 rest_of_handle_value_profile_transformations,
3959 pass_value_profile_transformations): Kill.
3960 * value-prof.h (histogram_value_t): Remove IL based unions.
3961 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3962 rtl_profile_hooks): Remove hooks.
3964 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3966 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3967 (cgraph_clone_node): Likewise.
3968 * cgraph.h (cgraph_clone_edge): Update prototype.
3969 (cgraph_clone_node): Likewise.
3970 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3972 (lookup_recursive_calls): Consider profile.
3973 (cgraph_decide_recursive_inlining): Fix updating; use new
3974 probability argument; use profile.
3975 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3976 * tree-inline.c (copy_bb): Update clal of clone_edge.
3977 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3979 * invoke.texi (min-inline-recursive-probability): Document.
3981 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
3983 * doc/install.texi (Configuration): Update Valgrind homepage.
3985 2005-07-28 Richard Henderson <rth@redhat.com>
3988 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
3989 labels we want to delete.
3990 (cfg_layout_merge_blocks): Likewise.
3992 2005-07-28 Richard Henderson <rth@redhat.com>
3995 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
3996 when expanding to nothing.
3998 2005-07-28 Josh Conner <jconner@apple.com>
4000 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
4001 (cgraph_decide_inlining_of_small_functions): Likewise.
4003 2005-07-28 Josh Conner <jconner@apple.com>
4005 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
4006 direction of badness if negative.
4007 (cgraph_default_inline_p): Add reason to parameters, and assign it
4009 (cgraph_decide_inlining_of_small_functions): New parameter in call
4010 to cgraph_default_inline_p.
4011 (cgraph_decide_inlining_incrementally): Likewise.
4012 * cgraphunit.c (decide_is_function_needed): Likewise.
4013 * cgraph.h (cgraph_default_inline_p): Likewise.
4015 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4017 * builtins.c: Fix comment typo(s).
4018 * genautomata.c: Likewise.
4019 * gimplify.c: Likewise.
4020 * tree-dfa.c: Likewise.
4021 * tree-flow-inline.h: Likewise.
4022 * tree-into-ssa.c: Likewise.
4023 * tree-ssa-alias.c: Likewise.
4024 * tree-ssa-ccp.c: Likewise.
4025 * tree-ssa-copy.c: Likewise.
4026 * tree-ssa-dce.c: Likewise.
4027 * tree-ssa-dom.c: Likewise.
4028 * tree-ssa-operands.c: Likewise.
4029 * tree-tailcall.c: Likewise.
4030 * tree-vectorizer.c: Likewise.
4031 * tree-vrp.c: Likewise.
4034 2005-07-28 Jeff Law <law@redhat.com>
4036 * tree-vrp.c (test_for_singularity): Extracted from ...
4037 (simplify_cond_using_ranges): Attempt to simplify a relational
4038 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
4040 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
4042 PR tree-optimization/22506
4043 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
4044 phis whose argument is constant.
4046 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
4048 PR rtl-optimization/18992
4049 Back out this patch:
4050 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4051 PR optimization/12142
4052 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
4053 uses of the register in the SET_SRC. Remove unnecessary argument.
4055 Replace it with this:
4056 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
4057 if flag_non_call_exceptions is set and the insn may trap, pass
4058 pc_rtx as dest for recursion.
4059 In SET_SRC part of SET case, if dest is already set, pass it down
4062 2005-07-28 Jan Hubicka <jh@suse.cz>
4064 * cfg.c (update_bb_profile_for_threading): Use RDIV.
4065 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
4066 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
4068 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
4069 profile when available.
4071 2005-07-28 Jan Beulich <jbeulich@novell.com>
4073 * config/ia64/ia64.c (ia64_load_pair_ok): New.
4074 (ia64_print_operand): Describe and handle 'X'.
4075 (ia64_register_move_cost): Also handle FP_REGS.
4076 (ia64_preferred_reload_class): Likewise.
4077 (ia64_secondary_reload_class): Likewise.
4078 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
4079 it. Also check for ITANIUM_CLASS_FLDP.
4080 * config/ia64/ia64.h (FP_REGNO_P): New.
4081 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
4082 (reg_class): Add FP_REGS.
4083 (REG_CLASS_NAMES): Adjust for it.
4084 (REG_CLASS_CONTENTS): Likewise.
4085 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
4086 (REG_CLASS_FROM_LETTER): Handle 'x'.
4087 (CLASS_MAX_NREGS): Handle FP_REGS.
4088 (MEMORY_MOVE_COST): Likewise.
4089 * config/ia64/ia64.md (itanium_class): Add fldp.
4090 (type): Handle fldp.
4091 (movti_internal): More allowable operand combinations. Use ldfp8 when
4092 splitting unnecessary. Remove predicable attribute. Adjust
4093 itanium_class attribute.
4094 (smuldi3_highpart): Remove outdated comment.
4095 (mulditi3, umulditi3, rotlti3): New expanders.
4096 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
4097 (absti2): Disabled new insn for future reference.
4098 Respective new splitters.
4099 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
4100 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
4101 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
4103 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
4105 PR rtl-optimization/23047
4106 * simplify-rtx.c (simplify_const_relational_operation): Respect
4107 flag_wrapv for comparisons with ABS.
4109 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
4111 PR tree-optimization/22493
4112 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
4113 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
4115 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
4117 * config/frv/frv.opt (moptimize-membar): New.
4119 * doc/invoke.texi: Document -moptimize-membar and its inverse.
4121 * config/frv/frv.h: Remove machine_function definition.
4123 * config/frv/frv.c (struct frv_io): New.
4124 (struct machine_function): Moved from frv.h. Add has_membar_p.
4125 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
4126 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
4127 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
4128 (frv_optimize_membar_global, frv_optimize_membar): New functions.
4129 (frv_reorg): Call frv_optimize_membar when appropriate.
4130 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
4131 (frv_expand_builtin): Adjust calls accordingly.
4132 (frv_io_address_cookie): New function.
4133 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
4134 load or store rather than a special insn. Add ccnstant address and
4135 io-type operands to the membar.
4136 (frv_ifcvt_modify_tests): Unsign regno.
4137 (frv_ifcvt_modify_tests): Same.
4139 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
4140 UNSPEC_OPTIONAL_MEMBAR constant.
4141 (builtin_read_<mode>): Delete.
4142 (builtin_write_<mode>): Delete.
4143 ("optional_membar_<mode>"): Add operand.
4145 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
4146 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
4147 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
4148 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
4149 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
4150 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
4151 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
4152 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
4153 * testsuite/gcc.target/frv/all-read-write-1.c: New.
4155 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
4157 * df.c (df_uses_record): Handle SCRATCH.
4159 2005-07-28 Steven Bosscher <stevenb@suse.de>
4162 * passes.c (rest_of_decl_compilation): If decl is a type and
4163 we have encountered errors, don't emit debug information.
4165 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4167 * params.def: Fixed comment.
4169 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
4172 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
4173 (TARGET_ASM_UNALIGNED_HI_OP): Add.
4174 (TARGET_ASM_UNALIGNED_SI_OP): Add.
4176 2005-07-27 Steven Bosscher <stevenb@suse.de>
4179 * varasm.c (assemble_start_function): Don't do anything that may
4180 require a CFG if the current function is a thunk.
4182 2005-07-25 Geoffrey Keating <geoffk@apple.com>
4184 * doc/install.texi (Prerequisites): Mention that perl is needed
4185 to do export control in libstdc++ targetting Darwin.
4187 2005-07-27 Steven Bosscher <stevenb@suse.de>
4189 PR rtl-optimization/17808
4190 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
4191 (sched_insns_conditions_mutex_p): Split out from...
4192 (add_dependence): ...here. But don't call it from here.
4193 (add_dependence_list): Check sched_insns_conditions_mutex_p
4194 before calling add_dependence.
4195 (add_dependence_list_and_free): Likewise.
4196 (fixup_sched_groups): Likewise.
4197 (sched_analyze_1): Likewise.
4198 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
4199 (sched_analyze): Likewise.
4200 (sched_analyze_insn): Likewise.
4201 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
4202 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
4203 dependencies on all COND_EXEC insns to jumps ending basic blocks
4204 when doing intrablock scheduling.
4205 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
4207 2005-07-27 Jeff Law <law@redhat.com>
4209 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
4210 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
4211 equivalency sets, correctly handle the case were vr0 has an
4212 equivalency set, but vr1 does not.
4214 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
4216 PR tree-optimization/23073
4217 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4218 vect_print_dump_info before fprintf.
4220 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4222 PR tree-optimize/22348
4223 * tree-ssa-loop-niter.c (number_of_iterations_cond):
4224 Fold the partial computation.
4226 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4228 PR tree-optimization/22325
4229 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4231 * tree-scalar-evolution.c (scev_const_prop): Add generic final
4233 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4234 (force_var_cost): ... this function.
4235 (compute_phi_arg_on_exit): Export.
4237 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4239 PR tree-optimization/20773
4240 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4243 2005-07-27 Richard Guenther <rguenther@suse.de>
4245 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4246 Avoid pushing again if current struct contains only
4247 fields we decomposed.
4249 2005-07-27 Jan Hubicka <jh@suse.cz>
4251 PR tree-optimization/22574
4252 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4255 * tree-tailcall.c (decrease_profile): New function.
4256 (eliminate_tail_call): Use it.
4258 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4259 visibility flags correctly in whole program mode.
4261 2005-07-26 Steve Ellcey <sje@cup.hp.com>
4263 PR rtl-optimization/22472
4264 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4266 2005-07-26 Steven Bosscher <stevenb@suse.de>
4268 PR tree-optimization/22504
4269 * tree-complex.c (expand_complex_addition): Use 'code' instead
4270 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
4272 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4274 * config.gcc (cpu_type): Add frv case.
4275 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
4276 (supported_defaults): Add fr550 case.
4278 2005-07-26 Diego Novillo <dnovillo@redhat.com>
4281 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
4282 whether a pointer of type T * may point to objects of type T *.
4284 2005-07-26 DJ Delorie <dj@redhat.com>
4286 * configure: Regenerate.
4288 2005-07-26 Dale Johannesen <dalej@apple.com>
4290 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
4292 2005-07-26 Mark Mitchell <mark@codesourcery.com>
4294 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
4295 Clarify use of "build" in name.
4297 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4299 * doc/extend.texi (Raw read/write Functions): New section.
4300 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
4301 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
4302 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
4303 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
4304 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
4305 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
4306 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
4307 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
4308 * config/frv/frv.c: Add bdesc_loads global.
4309 Add bdesc_stores global.
4310 (frv_init_builtins): Add support for __builtin_{read/write}*.
4311 (frv_volatile_memref): New.
4312 (frv_expand_load_builtin): New.
4313 (frv_expand_store_builtin): New.
4314 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
4315 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
4316 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
4317 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
4318 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
4319 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
4320 (builtin_read_<mode>): New.
4321 (builtin_write_<mode>): New.
4322 (builtin_write64): New.
4323 (optional_membar_<mode>): New.
4325 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
4327 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
4328 (rather than units) against HOST_BITS_PER_WIDE_INT.
4330 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
4332 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
4333 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
4334 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
4335 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
4338 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
4339 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
4340 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
4342 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
4344 2005-07-26 Richard Guenther <rguenther@suse.de>
4346 PR tree-optimization/22486
4347 * fold-const.c (fold_unary): Fold away useless component
4348 references of the form (T *)&T.x, if the address
4351 2005-07-25 James E Wilson <wilson@specifixinc.com>
4353 * dwarf2out.c (add_call_src_coords_attributes): New.
4354 (gen_inlined_subroutine_die): Call it.
4355 (maybe_emit_file, init_file_table): Add comments.
4356 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
4358 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
4359 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
4360 * tree.h (BLOCK_SOURCE_LOCATION): New.
4361 (struct tree_block): New field locus.
4363 2005-07-26 Andreas Schwab <schwab@suse.de>
4365 PR rtl-optimization/23043
4366 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
4367 when allocating a struct unoccr.
4369 2005-07-25 Richard Henderson <rth@redhat.com>
4372 * tree-complex.c (gate_no_optimization): True if errors.
4373 * Makefile.in (tree-complex.o): Update dependencies.
4375 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
4377 * config/frv/predicates.md (integer_register_operand): Use
4380 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4383 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
4385 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
4387 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4389 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
4390 types when flag_unsafe_math_optimizations is true.
4392 2005-07-25 Mark Mitchell <mark@codesourcery.com>
4394 * gcc.c (option_map): Add --sysroot.
4395 (process_command): Handle --sysroot.
4396 (display_help): Document it.
4397 * doc/cppopts.tex (-isysroot): Document.
4398 * doc/invoke.texi (--sysroot): Document.
4399 * doc/install.texi (--with-build-sysroot): Document.
4401 * Makefile.in (inhibit_libc): New variable.
4402 (INHIBIT_LIBC_CFLAGS): Likewise.
4403 (LIBGCC2_CFLAGS): Include
4404 $(INHIBIT_LIBC_CFLAGS).
4405 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
4406 ($(T)crtbegin.o): Do not use @inhibit_libc@.
4407 ($(T)crtend.o): Likewise.
4408 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
4409 ($(T)crtendS.o): Likewise.
4410 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
4411 ($(T)crtendT.o): Likewise.
4412 (stmp-fixinc): Do not complain about missing headers if
4414 * configure.ac (inhibit_libc): Set it to true/false.
4415 (--with-build-sysroot): New option. Use it to set
4417 * configure: Regenerated.
4419 2005-07-25 Manfred Hollstein <mh@suse.com>
4421 * calls.c (store_one_arg): Fix unsigned comparison warning.
4423 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4426 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
4427 (ggc_print_statistics): Initialize variable before use.
4429 2005-07-25 Richard Guenther <rguenther@suse.de>
4431 * tree-dfa.c (mark_new_vars_to_rename): Protect against
4432 calling with a PHI_NODE argument.
4434 * tree-flow-inline.h (overlap_subvar): Protect against
4437 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
4439 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
4440 * configure: Regenerate.
4442 2005-07-25 Ira Rosen <irar@il.ibm.com>
4444 * expr.c (highest_pow2_factor): Make extern.
4445 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
4446 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
4447 record_array_differ_p, array_ptr_differ_p): Likewise.
4448 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
4449 additional cases. Call the above functions.
4450 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
4451 base_object_differ_p when there are two base objects. Otherwise, compare
4452 base address and offset. Call may_alias_p.
4453 (dump_data_reference): Use a correct field name.
4454 (analyze_array): Make static. Initialize new data-ref fields.
4455 (analyze_indirect_ref): New function.
4456 (init_data_ref): Initialize new data-ref fields.
4457 (strip_conversion): Moved from tree-vect-analyze.c.
4458 (analyze_offset_expr, get_ptr_offset, address_analysis,
4459 object_analysis): Likewise.
4460 (analyze_offset): New function.
4461 (create_data_ref): Likewise.
4462 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
4463 dimensions for ARRAY_REFs only.
4464 (build_classic_dist_vector): Make static.
4465 (access_functions_are_affine_or_constant_p): Call macro to get the
4466 address of access functions.
4467 (compute_all_dependences): Add new parameter
4468 compute_self_and_read_read_dependences. Compute self and read-read
4469 dependences if it is true.
4470 (find_data_references_in_loop): Call create_data_ref. Initialize new
4472 (compute_data_dependences_for_loop): Add new parameter
4473 compute_self_and_read_read_dependences. Remove parameter nb_loops,
4474 compute nb_loops. Call compute_all_dependences,
4475 build_classic_dist_vector and build_classic_dir_vector with correct
4477 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
4478 with correct parameters. Compare dimensions for ARRAY_REFs only.
4479 (free_data_refs): Call macro to free access functions.
4480 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
4481 fields from stmt_vinfo.
4482 (struct base_object_info): New structure.
4483 (struct data_reference): Move fields to base_object_info. Add fields
4484 first_location and object_info for above structures. Move fields from
4485 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
4486 aligned_to. Add macros to access the new fields.
4487 Update functions declarations.
4488 * tree-flow.h (is_aliased_with): Declare.
4489 * tree-loop-linear.c (linear_transform_loops): Call
4490 compute_data_dependences_for_loop with correct parameters.
4491 * tree-ssa-alias.c (is_aliased_with): New function.
4492 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
4493 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
4494 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
4495 vect_base_addr_differ_p, compute_subscript_distance and
4496 build_classic_dist_vector. Add printings. Check absolute value of
4498 (vect_analyze_data_ref_dependences): Go through ddrs instead of
4500 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
4501 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
4502 to bytes. Add printing.
4503 (vect_compute_data_refs_alignment): Go through loads and stores in one
4505 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
4506 vect_analyze_data_ref_access): Likewise.
4507 (vect_analyze_pointer_ref_access): Remove.
4508 (vect_address_analysis, vect_object_analysis): Likewise.
4509 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
4510 and analyze data-refs in the loop.
4511 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
4512 fields of data-ref instead of stmt. Add init to the offset from the
4514 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
4515 (vect_update_init_of_dr): Likewise.
4516 (vect_update_inits_of_drs): Go through loads and stores in one loop.
4517 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
4519 (new_loop_vec_info): Initialize new fields.
4520 (destroy_loop_vec_info): Free new fields.
4521 (vect_strip_conversion): Remove.
4522 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
4523 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
4524 datarefs. Add new field ddrs.
4525 Add macros for the new fields access.
4526 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
4527 base_aligned_p, misalignment, memtag, ptr_info and subvars.
4528 Remove their macros.
4529 * tree.h (highest_pow2_factor): Declare.
4531 2005-07-25 Jakub Jelinek <jakub@redhat.com>
4533 * calls.c (store_one_arg): Check for sibling call MEM arguments
4534 from already clobbered incoming argument area.
4536 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4538 * c-common.c (check_missing_format_attribute): New.
4539 * c-common.h (check_missing_format_attribute): Likewise.
4540 * c-typeck.c (convert_for_assignment): Use it.
4542 2005-07-24 Andreas Schwab <schwab@suse.de>
4544 * config/m68k/m68k.md ("extendqidi2"): When source is an address
4545 register use a word move. Correct operand of ext.w in 68000 code.
4547 2005-07-23 Mark Mitchell <mark@codesourcery.com>
4549 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
4550 variables as declarations, rather than definitions.
4552 2005-07-24 Ira Rosen <irar@il.ibm.com>
4554 PR tree-optimization/22526
4555 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
4558 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4560 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
4561 that C99 reserve for future use. Use it to define clog10,
4562 clog10f and clog10l.
4564 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4566 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
4567 * configure.ac: Check for -Wmissing-format-attribute.
4569 * configure: Regenerate.
4571 2005-07-23 Richard Henderson <rth@redhat.com>
4573 PR tree-optimization/22623
4574 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
4576 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
4579 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
4581 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4583 * Makefile.in (C_TREE_H): Update dependencies.
4584 * c-tree.h: Include toplev.h.
4585 * diagnostic.h (diagnostic_set_info): Add format attribute.
4586 * rtl-error.c (diagnostic_for_asm): Likewise.
4588 2005-07-23 Chao-ying Fu <fu@mips.com>
4590 * config/mips/mips-dsp.md: New file.
4591 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
4592 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
4594 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
4595 MIPS_BUILTIN_BPOSGE32.
4596 (mips_expand_builtin_direct): Add one parameter to indicate that
4597 builtin functions need to return a value.
4598 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
4600 (mips_regno_to_class): Add classes for 12 new DSP registers.
4601 (mips_subword): Change to check four HI registers.
4602 (mips_output_move): Output move to and from 6 new DSP accumulators.
4603 (override_options): Make sure -mdsp and -mips16 are not used together.
4604 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
4606 (mips_conditional_register_usage): Disable 6 new DSP accumulators
4608 (print_operand): Add 'q' for printing DSP accumulators.
4609 (mips_cannot_change_mode_class): Check ACC_REGS.
4610 (mips_secondary_reload_class): Check ACC_REGS.
4611 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
4612 (mips_register_move_cost): Check ACC_REGS.
4613 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
4614 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
4615 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
4616 (dsp_bdesc): New array.
4617 (bdesc_arrays): Add DSP builtin function table.
4618 (mips_prepare_builtin_arg): Check predicate again after
4620 (mips_expand_builtin): Add one more parameter to
4621 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
4622 MIPS_BUILTIN_BPOSGE32.
4623 (mips_init_builtins): Initialize new function types.
4624 (mips_expand_builtin_direct): Check if builtin functions need to
4625 return a value and pass operands properly.
4626 (mips_expand_builtin_bposge): New function.
4627 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
4628 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
4629 (FIRST_PSEUDO_REGISTER): Increase to 188.
4630 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4631 Update for 12 new DSP registers.
4632 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
4633 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
4634 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
4635 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
4636 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
4637 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
4638 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
4639 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
4640 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
4641 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
4642 (REGISTER_NAMES): Add names for 12 new DSP registers.
4643 * config/mips/mips.md: Include mips-dsp.md.
4644 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
4645 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
4646 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
4647 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
4648 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
4649 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
4650 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
4651 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
4652 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
4653 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
4654 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
4655 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
4656 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
4657 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
4658 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
4659 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
4660 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
4661 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
4662 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
4663 (UNSPEC_RDDSP): New constants.
4664 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
4665 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
4667 * config/mips/mips.opt (-mdsp): New option.
4668 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
4669 (reg_imm10_operand): New predicates.
4670 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
4671 * doc/invoke.texi (-mdsp): Document new option.
4673 2005-07-22 DJ Delorie <dj@redhat.com>
4675 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
4677 * tree-inline.c (inlinable_function_p): Likewise.
4679 2005-07-22 Mark Mitchell <mark@codesourcery.com>
4682 * toplev.c (check_global_declarations): Do not mark undefined
4683 variables as DECL_IGNORED_P.
4684 * varasm.c (first_global_object_name): GTY it.
4685 (weak_global_object_name): Likewise.
4686 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
4687 a string to go into {weak,first}_global_object_name.
4689 2005-07-22 DJ Delorie <dj@redhat.com>
4691 * c-format.c (check_function_format): Change warning control
4692 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
4694 2005-07-22 Diego Novillo <dnovillo@redhat.com>
4696 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
4697 &PTR->FLD a dereference of PTR.
4698 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
4699 a potential dereference of PTR.
4701 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
4703 PR rtl-optimization/20370
4704 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
4705 call allocate_reg_info if necessary.
4707 PR rtl-optimization/21848
4708 * calls.c (emit_library_call_value_1): For const functions, add
4709 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
4711 PR rtl-optimization/22445
4712 * cselib.c (target.h): Include.
4713 (rtx_equal_for_cselib_p): Allow commutative matches.
4714 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
4715 Remove MODE parameter. Changed all callers.
4717 PR rtl-optimization/22258
4718 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
4720 (try_combine): Use likely_spilled_retval_p.
4722 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
4724 * config.gcc: Add crx-elf support.
4726 * doc/contrib.texi: Mention crx.
4727 * doc/extend.texi: Document crx extensions.
4728 * doc/install.texi: Document crx install.
4729 * doc/invoke.texi: Document crx options.
4730 * doc/md.texi: Document crx constraints.
4732 * config/crx/crx-protos.h: New file.
4733 * config/crx/crx.c: New file.
4734 * config/crx/crx.h: New file.
4735 * config/crx/crx.md: New file.
4736 * config/crx/crx.opt: New file.
4737 * config/crx/t-crx: New file.
4739 2005-07-22 Manfred Hollstein <mh@suse.com>
4741 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
4743 (int_add_graph_edge): Likewise.
4744 (collapse_nodes): Likewise.
4745 (process_unification_queue): Likewise.
4747 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4748 Laurent GUERBY <laurent@guerby.net>
4750 PR tree-optimization/22336
4751 * function.c (record_block_change): Check for
4752 cfun->ib_boundaries_block.
4754 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
4756 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
4757 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
4759 2005-07-21 DJ Delorie <dj@redhat.com>
4761 * toplev.c (warn_deprecated_use): Add warning control to warning
4763 * c-typeck.c (parser_build_binary_op): Likewise.
4764 (c_finish_if_stmt): Likewise.
4765 * c-common.c (check_function_sentinel): Likewise.
4766 (check_nonnull_arg): Likewise.
4768 2005-07-21 Richard Henderson <rth@redhat.com>
4771 * tree-complex.c (complex_ssa_name_components): New.
4772 (cvc_lookup): Allow entry not found.
4773 (create_components): Remove.
4774 (create_one_component_var, get_component_var): New.
4775 (get_component_ssa_name, set_component_ssa_name): New.
4776 (extract_component): Use get_component_ssa_name.
4777 (update_complex_components): Use set_component_ssa_name.
4778 (update_complex_components_on_edge): Likewise.
4779 (update_phi_components): Create new PHI nodes directly, instead
4780 of adding insns to edges.
4781 (tree_lower_complex): Allocate and free complex_variable_components
4782 and complex_ssa_name_components here.
4784 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
4786 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
4787 revert to returning false.
4789 2005-07-21 Uros Bizjak <uros@kss-loka.si>
4792 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
4794 2005-07-21 Uros Bizjak <uros@kss-loka.si>
4797 * config/i386/i386.md (cmpxf): Change operand constraints
4798 to "nonmemory_operand".
4800 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4802 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
4804 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4807 * fold-const.c (fold_build1): Add checksum for the operands.
4808 (fold_build2): Likewise.
4809 (fold_build3): Likewise.
4811 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4814 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
4816 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4818 * common.opt (-fforward-propagate): Committed by mistake,
4821 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4823 * reg-stack.c: Fix comment typo(s).
4824 * tree-ssa-operands.c: Likewise.
4825 * tree-vectorizer: Likewise.
4827 2005-07-21 Nick Clifton <nickc@redhat.com>
4829 * config/sh/symbian.c: Replace C++ style line comments with C
4830 style line comments.
4831 (symbian_add_attribute): Do not use a ? operator on the LHS of
4833 (sh_symbian_handle_dll_attribute): Change the type of the
4834 method vector to "VEC(tree,gc)*" and use vector accessor
4835 macros to walk over the elements.
4836 (symbian_export_vtable_and_rtti_p): Likewise.
4837 (symbian_class_needs_attribute_p): Likewise.
4839 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4842 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
4843 initialize targetm.resolve_overloaded_builtin here.
4844 (altivec_expand_overloaded_builtin): Make it non-static.
4845 * config/rs6000/rs6000-protos.h
4846 (altivec_expand_overloaded_builtin): New prototype.
4847 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
4848 targetm.resolve_overloaded_builtin here.
4849 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
4851 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4852 Zdenek Dvorak <dvorakz@suse.cz>
4854 PR tree-optimization/19210
4855 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
4857 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
4858 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
4859 rely on unproven assumptions.
4860 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
4861 * tree-flow.h (number_of_iterations_exit): Add final parameter.
4862 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
4863 to number_of_iterations_exit.
4864 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
4865 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
4866 * tree-ssa-loop-niter.c (find_loop_niter,
4867 estimate_numbers_of_iterations_loop): Likewise.
4868 (number_of_iterations_exit): Honor the new options.
4869 * doc/invoke.texi (Wunsafe-loop-optimizations,
4870 funsafe-loop-optimizations): Document them.
4872 2005-07-21 Richard Sandiford <richard@codesourcery.com>
4874 PR rtl-optimization/22167
4875 * gcse.c (hoist_code): Fix hoist_exprs[] check.
4877 2005-07-20 Adam Nemet <anemet@lnxw.com>
4879 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
4880 __do_global_dtors_aux longcall.
4882 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
4884 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
4885 (old_special_pred_table): Don't reference
4886 SPECIAL_MODE_PREDICATES.
4887 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
4888 * config/arc/arc.h: Don't mention PREDICATE_CODES.
4889 * config/sh/predicates.h: Don't mention
4890 SPECIAL_MODE_PREDICATES.
4891 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
4894 2005-07-20 DJ Delorie <dj@redhat.com>
4896 * config.gcc: Add m32c-elf support.
4898 * doc/contrib.texi: Mention m32c.
4899 * doc/extend.texi: Document m32c extensions.
4900 * doc/install.texi: Mention m32c.
4901 * doc/invoke.texi: Document m32c options.
4902 * doc/md.texi: Document m32c constraints.
4904 * config/m32c/addsub.md: New file.
4905 * config/m32c/bitops.md: New file.
4906 * config/m32c/cond.md: New file.
4907 * config/m32c/jump.md: New file.
4908 * config/m32c/m32c-lib1.S: New file.
4909 * config/m32c/m32c-lib2.c: New file.
4910 * config/m32c/m32c-modes.def: New file.
4911 * config/m32c/m32c-pragma.c: New file.
4912 * config/m32c/m32c-protos.h: New file.
4913 * config/m32c/m32c.abi: New file.
4914 * config/m32c/m32c.c: New file.
4915 * config/m32c/m32c.h: New file.
4916 * config/m32c/m32c.md: New file.
4917 * config/m32c/m32c.opt: New file.
4918 * config/m32c/minmax.md: New file.
4919 * config/m32c/mov.md: New file.
4920 * config/m32c/muldiv.md: New file.
4921 * config/m32c/predicates.md: New file.
4922 * config/m32c/prologue.md: New file.
4923 * config/m32c/shift.md: New file.
4924 * config/m32c/t-m32c: New file.
4926 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
4928 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4929 (stack_protect_set, stack_protect_test): New expanders.
4930 (stack_protect_set_si, stack_protect_set_si_media,
4931 stack_protect_set_di_media, stack_protect_test_si,
4932 stack_protect_test_si_media, stack_protect_test_di_media):
4935 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
4937 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
4939 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
4941 * tree.h (tree_expr_nonzero_p): Export.
4942 * fold-const.c (tree_expr_nonzero_p): Likewise.
4943 Return true for CALL_EXPRs that are alloca calls.
4944 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
4946 * tree-flow.h (expr_computes_nonzero): Remove.
4947 * tree-vrp.c (expr_computes_nonzero): Remove.
4948 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
4949 (extract_range_from_unary_expr): Likewise.
4950 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
4951 tree_expr_nonzero_p.
4953 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
4955 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
4956 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
4957 extra arg "picreg" and use it instead of pic_offset_table_rtx.
4958 All callers changed.
4959 (frame_related_constant_load): New arg "related" which controls
4960 setting of RTX_FRAME_RELATED_P. All callers changed.
4961 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
4962 (bfin_expand_prologue): Add stack limit checking.
4963 * config/bfin/bfin.md (trapifcc): New pattern.
4965 * config/bfin/bfin.c: Include "langhooks.h".
4966 (def_builtin): Go through lang_hooks to call builtin_function.
4968 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
4969 * config/bfin/predicates.md (symbol_ref_operand): New.
4970 (call_insn_operand): Delete. All callers changed to use
4971 register_no_elim_operand.
4972 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
4974 (function_arg): Use it to generate the call's operand 2.
4975 (bfin_longcall_p): New function.
4976 (bfin_expand_call): Extra arg "cookie". All callers and declaration
4977 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
4978 determine if the address needs to be in a REG.
4979 (bfin_handle_longcall_attribute): New function.
4980 (bfin_attribute_table): Add "longcall" and "shortcall".
4981 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
4982 (CUMULATIVE_ARGS): New member call_cookie.
4983 (PREDICATE_CODES): Add symbol_ref_operand.
4984 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
4985 extra USE to the pattern.
4986 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
4987 New patterns, split off call_insn, sibcall_insn, call_value_insn and
4988 sibcall_value_insn; now the new patterns handle direct calls and the
4989 old ones indirect calls.
4990 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
4992 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
4994 * doc/trouble.texi: Update section on handling of empty loops.
4996 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
4998 * config.gcc: Remove support for sparc-*-openbsd*,
4999 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
5001 * config.host: Remove support for i860-*-sysv4* as a host.
5002 * config/i860/*, config/ip2k/*, config/ns32k/*,
5003 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
5004 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
5005 mention obsolete ports.
5007 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5009 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
5011 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
5012 of frame_pointer_rtx.
5013 (sh_expand_epilogue): Likewise.
5014 (sh_set_return_address): Likewise.
5015 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
5016 instead of FRAME_POINTER_REGNUM if needed. Add elimination
5017 offsets from FRAME_POINTER_REGNUM.
5018 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
5019 (sh_register_names): Add initializer for sfp.
5020 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
5021 (VALID_REGISTER_P): Likewise.
5022 (FIRST_PSEUDO_REGISTER): Update.
5023 (DWARF_FRAME_REGISTERS): Define.
5024 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
5025 (HARD_FRAME_POINTER_REGNUM): Define.
5026 (FRAME_POINTER_REGNUM): Redefine.
5027 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
5028 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
5029 from FRAME_POINTER_REGNUM.
5030 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
5031 FRAME_POINTER_REGNUM.
5032 (REG_CLASS_CONTENTS): Add sfp.
5033 (REG_ALLOC_ORDER): Likewise.
5034 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
5035 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
5036 of frame_pointer_rtx.
5037 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
5039 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
5041 * fold-const.c (tree_expr_nonnegative_p): Only return true for
5042 ABS_EXPR when flag_wrapv is false because of INT_MIN.
5043 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
5045 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
5048 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
5050 Make CONSTRUCTOR use VEC to store initializers.
5051 * c-common.c (complete_array_type): Update to cope with VEC in
5053 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
5054 (pp_c_constructor_elts): New function.
5055 * c-pretty-print.h (pp_c_constructor_elts): Declare.
5056 * c-typeck.c (build_function_call, build_c_cast, digest_init,
5057 struct constructor_stack, struct initializer_stack,
5058 constructor_elements, push_init_level, pop_init_level,
5059 add_pending_init, find_init_member, output_init_element): Update to
5060 cope with VEC in CONSTRUCTOR_ELTS.
5061 * coverage.c (build_fn_info_value, build_ctr_info_value,
5062 build_gcov_info): Likewise.
5063 * expr.c (categorize_ctor_elements_1, store_constructor,
5064 expand_expr_real_1): Likewise.
5065 * fold-const.c (fold_ternary): Likewise.
5066 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
5067 gimplify_init_constructor, gimplify_expr): Likewise.
5068 * tree-dump.c (dequeue_and_dump): Likewise.
5069 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
5071 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
5073 * tree-sra.c (generate_element_init_1): Likewise.
5074 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
5075 * tree-ssa-operands.c (get_expr_operands): Likewise.
5076 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
5077 * tree-vect-transform.c (vect_get_vec_def_for_operand):
5078 (get_initial_def_for_reduction): Likewise.
5079 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
5080 value handle in annotations.
5081 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
5082 tree_node_structure): Add support for constr_kind.
5083 (build_vector_from_ctor, build_constructor_single,
5084 build_constructor_from_list): New functions.
5085 (build_constructor): Update to take a VEC instead of a TREE_LIST.
5086 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
5087 Update to cope with VEC in CONSTRUCTOR_ELTS.
5088 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
5089 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
5090 CONSTRUCTOR_APPEND_ELT): New macros.
5091 (struct constructor_elt, struct tree_constructor): New data types.
5092 (union tree_node): Add tree_constructor field.
5093 * treestruct.def: Define TS_CONSTRUCTOR.
5094 * varasm.c (const_hash_1, compare_constant, copy_constant,
5095 compute_reloc_for_constant, output_addressed_constants,
5096 initializer_constant_valid_p, output_constant,
5097 array_size_for_constructor, output_constructor): Update to cope with
5098 VEC in CONSTRUCTOR_ELTS.
5099 * vec.h (VEC_empty, VEC_copy): New macros.
5101 2005-07-19 Devang Patel <dpatel@apple.com>
5103 * dbxout.c (dbxout_type): Check Objective-C++ lang.
5105 2005-07-19 Richard Henderson <rth@redhat.com>
5108 * gimplify.c (gimplify_expr): Use main variant type for the temp
5109 destination for a discarded volatile read.
5110 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
5111 casts between non-void types that change volatility.
5113 2005-07-15 DJ Delorie <dj@redhat.com>
5115 * toplev.h: Add comment about the first parameter for warning().
5116 * errors.h: Likewise.
5118 * c.opt (Wpragmas): New.
5119 * doc/invoke.texi: Document it.
5121 * function.c (do_warn_unused_parameter): Add warning control to
5123 * c-decl.c (warn_if_shadowing): Likewise.
5124 * c-lex.c (cb_def_pragma): Likewise.
5125 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
5126 (pop_alignment): Likewise.
5127 (handle_pragma_pack): Likewise.
5128 (apply_pragma_weak): Likewise.
5129 (handle_pragma_weak): Likewise.
5130 (handle_pragma_redefine_extname): Likewise.
5131 (add_to_renaming_pragma_list): Likewise.
5132 (handle_pragma_extern_prefix): Likewise.
5133 (maybe_apply_renaming_pragma): Likewise.
5134 (handle_pragma_visibility): Likewise.
5136 * config/c4x/c4x-c.c (BAD): Likewise.
5137 (c4x_parse_pragma): Likewise.
5138 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
5139 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
5140 (rs6000_pragma_longcall): Likewise.
5141 * config/v850/v850-c.c (pop_data_area): Likewise.
5142 (ghs_pragma_section): Likewise.
5143 (ghs_pragma_section): Likewise.
5144 (ghs_pragma_interrupt): Likewise.
5145 (ghs_pragma_starttda): Likewise.
5146 (ghs_pragma_startsda): Likewise.
5147 (ghs_pragma_startzda): Likewise.
5148 (ghs_pragma_endtda): Likewise.
5149 (ghs_pragma_endsda): Likewise.
5150 (ghs_pragma_endzda): Likewise.
5152 2005-07-19 Danny Berlin <dberlin@dberlin.org>
5153 Kenneth Zadeck <zadeck@naturalbridge.com>
5155 * Makefile.in: Removed tree-promote-statics.c
5156 * tree-promote-statics.c: Removed.
5157 * common.opt: Removed flag-promote-statics.
5159 * passes.c: Removed tree-promote-statics pass.
5160 * tree-pass.h: Ditto.
5161 * timevar.def: Removed TV_PROMOTE_STATICS.
5164 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
5166 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
5168 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
5170 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5173 * c-common.c (check_function_arguments): Call
5174 'check_function_format' if either -Wformat or
5175 -Wmissing-format-attribute are specified.
5176 * c-format.c (check_function_format): Check -Wformat before
5177 calling 'check_format_info'.
5178 * c-opts.c (c_common_post_options): Don't warn for
5179 -Wmissing-format-attribute without -Wformat.
5180 * c-typeck.c (convert_for_assignment): Detect additional cases for
5181 -Wmissing-format-attribute.
5182 * doc/invoke.texi (-Wmissing-format-attribute): Document new
5185 2005-07-19 Richard Guenther <rguenther@suse.de>
5187 * config/i386/i386.md (lrint<mode>2): Use temporary
5188 instead of clobbering non-existent memory.
5190 2005-07-19 Nick Clifton <nickc@redhat.com>
5192 * config/avr/avr.c (legitimate_address_p): Fix debugging print
5193 statement to avoid displaying ASCII control characters.
5195 2005-07-19 Ben Elliston <bje@au.ibm.com>
5197 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
5198 * cfganal.c (find_edge_index): Ditto.
5199 * combine.c (combine_instructions): Ditto.
5200 * ddg.c (create_scc): Ditto.
5201 (find_successors): Ditto.
5202 (find_predecessors): Ditto.
5203 (find_nodes_on_paths): Ditto.
5204 (longest_simple_path): Ditto.
5205 * flow.c (update_life_info): Ditto.
5206 (count_or_remove_death_notes): Ditto.
5207 (clear_log_links): Ditto.
5208 * modulo-sched.c (generate_reg_moves): Ditto.
5209 (find_max_asap): Ditto.
5210 (find_max_hv_min_mob): Ditto.
5211 (find_max_dv_min_mob): Ditto.
5212 * sbitmap.c (sbitmap_first_set_bit): Ditto.
5213 * sched-rgn.c (extract_edgelst): Ditto.
5214 * tree-into-ssa.c (prepare_names_to_update): Ditto.
5215 (dump_update_ssa): Ditto.
5216 (ssa_names_to_replace) Ditto.
5217 (switch_virtuals_to_full_rewrite): Ditto.
5218 (update_ssa): Ditto.
5219 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5221 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
5223 Fix PR tree-optimization/22483
5225 * tree-complex.c (create_components): Use
5226 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5227 * tree-flow-inline.h (fill_referenced_var_vec): New function.
5228 * tree-flow.h (safe_referenced_var_iterator): New structure.
5229 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5230 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5231 safe_referenced_var iterator.
5232 (add_type_alias): Ditto.
5234 2005-07-19 Steven Bosscher <stevenb@suse.de>
5236 * loop-init.c (rest_of_handle_loop2): Remove.
5237 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5238 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5239 (pass_rtl_loop_init, pass_rtl_loop_done,
5240 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5241 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5242 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5243 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5244 pass_tree_loop_done, and pass_tree_unswitch.
5245 (gate_loop): Rename to gate_tree_loop.
5246 * passes.c (init_optimization_passes): Update for renamed tree
5247 loop passes. Add the new loop2 passes as subpasses of loop2.
5248 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5249 Update for the renamed tree loop passes.
5251 2005-07-18 Ian Lance Taylor <ian@airs.com>
5254 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5255 blocks when optimizing.
5257 2005-07-18 Steve Ellcey <sje@cup.hp.com>
5259 * common.opt (frename-registers): Initialize to 2.
5261 (fgcse-after-reload): Ditto.
5262 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5263 (process_options): Only change flag_web, flag_rename_registers,
5264 and flag_rerun_cse_after_loop if not explicitly set by user.
5266 2005-07-18 Jan Beulich <jbeulich@novell.com>
5268 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
5269 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
5270 in 64-bit mode the same as DImode in 32-bit mode.
5271 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
5272 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
5273 mode. Add new mode parameter.
5274 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
5275 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
5276 x86_64_shift_adj): New expanders.
5277 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
5278 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
5280 Respective new splitters. Use renamed shift splitter helpers in 32-bit
5281 DImode shift splitters.
5282 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
5283 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
5286 2005-07-18 Jan Beulich <jbeulich@novell.com>
5288 * i386.md (movdi_extzv_1): New.
5289 (zero_extendhidi2): Combine alternatives and never force use of
5291 (zero_extendqidi2): Likewise. Don't restrict input selection.
5293 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5295 Fix PR tree-optimization/22531
5296 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
5299 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5301 * tree-promote-statics.c (pass_promote_statics): Change dump file
5304 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5306 * tree-optimize.c (init_tree_optimization_passes): Add
5307 pass_eliminate_useless_stores pass.
5308 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
5309 * tree-ssa-pre.c (is_copy_stmt): New function.
5310 (follow_copies_till_vuse): Ditto.
5311 (do_eustores): Ditto.
5312 (gate_eustores): Ditto.
5314 2005-07-16 Richard Henderson <rth@redhat.com>
5316 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
5318 2005-07-16 Danny Berlin <dberlin@dberlin.org>
5319 Kenneth Zadeck <zadeck@naturalbridge.com>
5321 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
5322 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
5323 ipa-type-escape.h, tree-promote-statics.c
5324 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
5325 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
5326 tree-promote-statics.c: new files.
5327 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
5328 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
5329 int nonlocal_set_p, mark_constant_function): Deleted.
5330 (rest_of_handle_cfg): Removed call to mark_constant_function.
5331 (nonoverlapping_component_refs_p): Added calls to support
5332 type based aliasing.
5333 * tree-ssa-alias.c (may_alias_p,
5334 compute_flow_insensitive_aliasing): Ditto.
5335 * calls.c (flags_from_decl_or_type): Removed reference to
5337 * c-typeck.c (convert_arguments): Make builtins tolerant of having
5338 too many arguments. This is necessary for Spec 2000.
5339 * cgraph.h (const_function, pure_function): Removed.
5340 * common.opt: Added "fipa-pure-const", "fipa-reference",
5341 "fipa-type-escape", and "ftree-promote-static".
5343 * passes.c: Added ipa and tree-promote-statics passes.
5344 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
5345 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
5346 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
5347 * tree-flow.h: Added exposed sra calls and addition of
5348 reference_vars_info field for FUNCTION_DECLS.
5349 * tree-pass.h: Added passes.
5350 * tree-sra.c: (sra_init_cache): New function.
5351 (sra_insert_before, sra_insert_after) Made public.
5352 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
5354 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
5355 aliasing. (may_alias_p): Added code to use type escape analysis to
5357 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
5358 code to prune clobbers of static variables based on information
5359 produced in ipa-reference pass. Changed call clobbering so that
5360 statics are not marked as clobbered if the call does not clobber
5363 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
5365 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
5368 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5370 * doc/install.texi (*-*-solaris2*): Document recommended version
5371 of GNU binutils and mention GNU linker problem on Solaris 10.
5373 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
5376 * c-decl.c (c_build_bitfield_integer_type): New function.
5377 (finish_struct): Call it.
5378 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
5380 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5382 * c-typeck.c (digest_init): Call 'convert_for_assignment'
5385 2005-07-16 Jan Hubicka <jh@suse.cz>
5387 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
5388 (scale_bbs_frequencies_int): Watch roundoff errors.
5389 * predict.c (return_prediction): Initialize return_stmt.
5391 2005-07-16 Jan Hubicka <jh@suse.cz>
5393 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
5394 after RTL profiling.
5396 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
5399 * fold-const.c (build_range_check): Convert high/low to etype
5400 if we are only comparing against exp.
5402 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
5404 Fix PR tree-optimization/22376
5405 * tree-ssa-structalias.c (build_constraint_graph): We really meant
5407 (need_to_solve): New function.
5408 (compute_points_to_sets): Use it.
5410 2005-07-15 Jan Hubicka <jh@suse.cz>
5412 * cfg.c (update_bb_profile_for_threading): More diagnostic.
5413 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
5415 2005-07-15 Richard Guenther <rguenther@suse.de>
5417 * c-common.c (handle_flatten_attribute): New function.
5418 Add flatten function attribute.
5419 * doc/extend.texi: Document flatten function attribute.
5420 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
5421 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
5423 (cgraph_decide_inlining): Handle functions with flatten
5426 2005-07-14 David Edelsohn <edelsohn@gnu.org>
5428 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
5429 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
5430 UNSPEC_XCHG, UNSPEC_AND): New.
5431 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
5432 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
5433 * config/rs6000/sync.md (FETCHOP): New code macro.
5434 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
5436 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
5437 (sync_compare_and_swap<mode>): Same.
5438 (sync_lock_test_and_set<mode>): Same.
5439 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
5440 for QImode and HImode, and not PPC405.
5441 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
5442 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
5443 (sync_<fetchop>{si,di}_internal): New.
5444 (sync_nand{si,di}_internal): New.
5445 (sync_old_<fetchop>{si,di}_internal): New.
5446 (sync_old_nand{si,di}_internal): New
5447 (sync_new_<fetchop>{si,di}_internal): New.
5448 (sync_new_nand{si,di}_internal): New.
5449 (atomic_and{si,di}): New.
5450 (sync_new_nand{si,di}_internal): New.
5451 (atomic_and{si,di}): New.
5452 (sync_add<mode>_internal): Delete.
5453 (sync_addshort_internal): Use unspec instead of unspec_volatile.
5454 (sync_sub<mode>_internal): Delte.
5455 (sync_subshort_internal): New.
5456 (sync_andsi_internal): Use unspec instead of unspec_volatile.
5457 (sync_anddi_internal): Delete.
5458 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
5459 (sync_booldi_internal): Delete.
5460 (sync_boolc<mode>_internal): Delete.
5461 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
5462 (sync_boolc<mode>_internal2): Delete.
5463 (sync_boolcc<mode>_internal): Delete.
5464 (isync, lwsync): Use unspec instead of unspec_volatile.
5465 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
5466 Revert UNSPEC_VOLATILE.
5467 (rs6000_split_atomic_op): New.
5468 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
5470 2005-07-14 Eric Christopher <echristo@redhat.com>
5472 * config/mips/mips.c (mips_canonicalize_comparison): Cast
5473 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
5475 2005-07-14 Eric Christopher <echristo@redhat.com>
5477 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
5479 2005-07-14 Steven Bosscher <stevenb@suse.de>
5481 PR tree-optimization/22230
5482 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
5483 the computation of the four cross productions for "range op range".
5485 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
5486 Ulrich Weigand <uweigand@de.ibm.com>
5489 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
5492 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5494 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
5496 2005-07-14 Steve Ellcey <sje@cup.hp.com>
5498 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
5500 2005-07-14 Richard Guenther <rguenther@suse.de>
5503 * config/i386/i386-protos.h (ix86_function_value): Change
5504 prototype to match new target hook.
5505 * config/i386/i386.c (ix86_value_regno): Change prototype
5506 to take extra type argument.
5507 (TARGET_FUNCTION_VALUE): Define.
5508 (ix86_function_ok_for_sibcall): Pass extra argument to
5509 ix86_value_regno, check return slot rtx for exact match.
5510 (ix86_function_value): Take extra parameter. Dispatch to
5511 ix86_value_regno with fndecl/fntype as provided.
5512 (ix86_value_regno): Handle extra type argument.
5513 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
5515 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
5516 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
5517 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
5518 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
5519 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
5521 2005-07-14 Richard Guenther <rguenther@suse.de>
5523 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
5524 * calls.c (expand_call): Pass fntype to hard_function_value.
5525 (emit_library_call_value_1): Likewise.
5526 * explow.c: Include target.h.
5527 (hard_function_value): Take extra argument, the fntype.
5528 Use new target hook for function_value.
5529 * expr.h (hard_function_value): Change prototype.
5530 * function.c (aggregate_value_p): Pass 0 as fntype to
5531 hard_function_value.
5532 (assign_parms): Use new target hook for function_value.
5533 Pass 0 as fntype to hard_function_value.
5534 (expand_function_end): Likewise.
5535 * reg-stack.c: Include target.h.
5536 (stack_result): Use new target hook for function_value.
5537 * target-def.h: New target hook function_value.
5538 * target.h: Likewise.
5539 * targhooks.c (default_function_value): New function.
5540 * targhooks.h (default_function_value): Declare.
5542 2005-07-13 Ian Lance Taylor <ian@airs.com>
5544 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5546 2005-07-14 Jan Hubicka <jh@suse.cz>
5548 * tree-dfa.c (dump_variable): Use default_def function.
5549 * tree-ssa-alias.c (dump_points_to_info): Likewise.
5550 * tree-ssa.c (verify_use): Likewise.
5551 * tree-ssanames.c (release_ssa_name): Likewise.
5552 * tree-tailcall.c (eliminate_tail_call): Likewise.
5553 (tree_optimize_tail_calls_1): Likewise.
5554 * tree-vrp.c (get_value_range): Likewise.
5556 2005-07-14 Ben Elliston <bje@au.ibm.com>
5558 * gcc.c (main): Compare language[0] with '*' when iterating over
5561 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
5563 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
5564 "s390_emit_compare". Add handling of CCZ1mode.
5565 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
5566 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
5568 (s390_branch_condition_mask): Add CCZ1mode handling.
5569 * config/s390/s390.md: ("seq", "*seq"): New pattern.
5570 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
5571 Use CCZ1mode instead of CCZmode.
5572 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
5574 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
5576 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
5578 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
5580 2005-07-13 Eric Christopher <echristo@redhat.com>
5582 * config/mips/mips.c (mips_canonicalize_comparison): New.
5583 (mips_emit_int_relational): Use.
5585 2005-07-13 Eric Christopher <echristo@redhat.com>
5587 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5589 * config/s390/s390.md: Include tpf.md. Move tpf specific
5591 * config/s390/tpf.md: To here.
5592 * config/s390/s390.opt: Move tpf specific options...
5593 * config/s390/tpf.opt: to here. Add mmain option.
5594 * config/s390/tpf-unwind.h: Remove unnecessary defines.
5595 * config/s390/tpf.h: Rewrite.
5597 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
5599 * doc/tm.texi: Remove @xref{Cross-profiling}.
5601 2005-07-13 Jeff Law <law@redhat.com>
5603 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
5604 expressions, test their _DECL operands for pointer equality rather
5605 than using operand_equal_p.
5607 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
5609 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
5610 (TARGET_POSIX_IO): This.
5611 * config/darwin.h: Likewise.
5612 * config/freebsd.h: Likewise.
5613 * config/linux.h: Likewise.
5614 * config/lynx.h: Likewise.
5615 * config/netbsd.h: Likewise.
5616 * config/rs6000/linux64.h: Likewise.
5617 * config/rs6000/linux.h: Likewise.
5618 * config/s390/tpf.h: Likewise.
5619 * config/sh/embed-elf.h: Likewise.
5620 * config/sparc/linux64.h: Likewise.
5621 * config/sparc/linux.h: Likewise.
5622 * config/svr4.h: Likewise.
5623 * gcov-io.h: Likewise.
5625 * doc/tm.texi: Updated.
5627 * libgcov.c (create_file_directory): Defined only if
5628 TARGET_POSIX_IO is defined.
5629 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
5632 2005-07-13 Jan Hubicka <jh@suse.cz>
5634 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
5636 2005-07-13 David Edelsohn <edelsohn@gnu.org>
5638 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
5639 structure as argument.
5641 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
5643 PR tree-optimization/21921
5644 * tree-iterator.c (tsi_link_before): Support the case when
5645 tsi_end_p (tsi) == true.
5647 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5649 PR tree-optimization/22442
5650 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
5653 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5655 PR rtl-optimization/20376
5656 * toplev.c (process_options): Enable -fweb and -frename-registers when
5658 * doc/invoke.texi: Update the information about when -fweb and
5659 -frename-registers are enabled.
5661 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5664 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
5665 if *rhs_p is not a SSA_NAME.
5667 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
5669 Fix PR tree-optimization/22422
5670 * tree-ssa-structalias.c (struct variable_info): Add flag for
5672 (get_varinfo): Now a static function.
5673 (new_varinfo): init has_union and is_special_var to false.
5674 (solution_set_add): Check has_union.
5675 (do_da_constraint): Move temporary variable so it gets reset
5677 Also check for special variable.
5678 (do_ds_constraint): Ditto.
5679 (do_sd_constraint): Ditto.
5680 (do_structure_copy): Check for special variable.
5681 (find_func_aliases): Ditto.
5682 (init_base_vars): Set special vars properly.
5684 2005-07-13 Jan Hubicka <jh@suse.cz>
5686 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
5689 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
5690 (get_expr_operands): Fix thinko wrt flags and subvars.
5692 PR tree-optimize/22379
5693 * tree-inline.c (expand_call_inline): Do not output sorry in early
5696 2005-07-12 Dale Johannesen <dalej@apple.com>
5698 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
5700 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5703 * host-linux.h: Include limits.h.
5705 2005-07-12 Dale Johannesen <dalej@apple.com>
5707 * expr.c (compress_float_constant): Add cost check.
5708 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
5710 2005-07-12 Dale Johannesen <dalej@apple.com>
5712 * gcc.target/i386/compress-float-sse.c: New.
5713 * gcc.target/i386/compress-float-sse-pic.c: New.
5714 * gcc.target/i386/compress-float-387.c: New.
5715 * gcc.target/i386/compress-float-387-pic.c: New.
5716 * gcc.dg/compress-float-ppc.c: New.
5717 * gcc.dg/compress-float-ppc-pic.c: New.
5719 2005-07-12 Eric Christopher <echristo@redhat.com>
5721 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5723 * config/s390/s390.md: Include tpf.md. Move tpf specific
5725 * config/s390/tpf.md: To here.
5726 * config/s390/s390.opt: Move tpf specific options...
5727 * config/s390/tpf.opt: to here. Add mmain option.
5728 * config/s390/tpf-unwind.h: Remove unnecessary defines.
5729 * config/s390/tpf.h: Rewrite.
5731 2005-07-12 Eric Christopher <echristo@redhat.com>
5733 * gcc.c (struct infile): Update comment for language.
5734 (main): Rewrite input file resetting code.
5736 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5739 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
5740 requiring a cast in a non RHS of modify_expr. Add a cast when required.
5741 (lookup_avail_expr): Use constant_boolean_node instead
5742 of boolean_false_node/boolean_true_node.
5744 2005-07-12 Ben Elliston <bje@au.ibm.com>
5746 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
5747 and use it when printing num_edges.
5749 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
5751 * doc/extend.texi (Blackfin Built-in Functions): New section.
5752 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
5755 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
5757 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
5758 s/cmpstrsi/cmpstrnsi
5759 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
5761 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
5762 (init_optabs): Initialize cmpstrn_optab.
5763 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
5764 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
5765 * expr.c: (enum insn_code cmpstrn_optab): Declare.
5766 * config/i386/i386.md: s/cmpstr/cmpstrn
5767 * config/c4x/c4x.md: s/cmpstr/cmpstrn
5768 * doc/md.texi: Update documentation.
5770 2005-07-11 Richard Henderson <rth@redhat.com>
5772 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
5773 build_va_arg_indirect_ref.
5774 (alpha_gimplify_va_arg): Likewise.
5775 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
5776 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5777 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
5778 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5779 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5780 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
5782 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5784 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5786 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
5787 * passes.c (init_optimization_passes): Add pass_empty_loop.
5788 * tree-pass.h (pass_empty_loop): Declare.
5789 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
5790 try_remove_empty_loop, remove_empty_loops): New functions.
5791 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
5792 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
5794 2005-07-12 Peter Barada <peter@the-baradas.com>
5798 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
5799 in address registers.
5800 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
5801 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
5802 alternative of addsi3_5200.
5804 2005-07-11 Ian Lance Taylor <ian@airs.com>
5806 * config/mips/mips.md (ffs<mode>2): Remove.
5808 2005-07-11 Ian Lance Taylor <ian@airs.com>
5810 * doc/tree-ssa.texi (Cleanups): Improve description of
5812 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
5814 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
5816 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
5817 * tree.h (DECL_ARGUMENT_FLD): New macro.
5819 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
5821 Fix PR tree-optimization/22404
5823 * tree-ssa-structalias.c (create_variable_info_for): Use
5826 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
5828 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
5829 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
5830 for second comparison operand.
5831 * config/bfin/predicates.md (reg_or_const_int_operand): New.
5833 * config/bfin/bfin.md (define_attr "type"): Add "sync".
5834 (define_insn_reservation "alu"): Likewise.
5835 (csync, ssync): Now of type sync.
5836 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
5837 -mcsync-anomaly -mspecld-anomaly.
5838 * config/bfin/bfin.opt (mcsync): Remove.
5839 (mcsync-anomaly, mspecld-anomaly): Add.
5840 * config/bfin/bfin.c: Include "insn-codes.h".
5841 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
5842 (TARGET_DEFAULT_TARGET_FLAGS): New.
5843 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
5845 2005-07-11 Steven Bosscher <stevenb@suse.de>
5847 * basic-block.h: Give the BB flags enum a name, bb_flags.
5848 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
5849 * cfgcleanup.c (enum bb_flags): Remove here.
5850 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
5851 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
5852 (update_forwarder_flag): Likewise.
5853 (thread_jump): Likewise.
5854 (try_forward_edges): Likewise.
5855 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
5856 forwarder flags. Don't clear bb->aux for all basic blocks. Only
5857 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
5859 2005-07-11 Richard Guenther <rguenther@suse.de>
5861 * config/i386/i386.opt: New target option -msseregparm.
5862 * config/i386/i386.c (override_options): Error out for
5863 -msseregparm but no SSE support.
5864 (ix86_function_sseregparm): Check for global sseregparm.
5865 * doc/invoke.texi: Document -msseregparm.
5867 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5869 * config.gcc (m32r-*-linux*): Use the default extra_parts.
5870 (m32rle-*-linux*): Ditto.
5872 2005-07-11 Jakub Jelinek <jakub@redhat.com>
5874 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
5875 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
5878 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5882 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
5883 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
5885 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
5887 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
5888 (varmap): Heapify varmap.
5889 (constraints): Heapify constraints.
5890 (struct constraint_graph): Heapify succs and preds.
5891 (constraint_vec_find): Update for heapification.
5892 (constraint_set_union): Ditto.
5893 (insert_into_complex): Ditto.
5894 (constraint_edge_vec_find): Ditto.
5895 (erase_graph_self_edge): Ditto.
5896 (add_graph_edge): Ditto.
5897 (get_graph_weights): Ditto.
5898 (merge_graph_nodes): Ditto.
5899 (build_constraint_graph): Ditto.
5900 (topo_visit): Ditto.
5901 (solve_graph): Ditto.
5902 (create_variable_info_for): Ditto.
5903 (init_base_vars): Ditto.
5904 (delete_points_to_sets): Free graph, varmap, and complex constraints.
5905 (condese_varmap_nodes): Free complex vector.
5906 (clear_edges_for_node): Clear succs and preds vector.
5908 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
5910 * tree-ssa-structalias.c (update_alias_info): Change counting of
5911 references to not include vdefs.
5913 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
5915 * tree-ssa-alias.c (free_used_part_map): Add missing free.
5918 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5920 * pa.c (pa_commutative_p): Make PLUS commutative when
5921 TARGET_NO_SPACE_REGS is true.
5923 2005-07-09 Diego Novillo <dnovillo@redhat.com>
5925 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
5926 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
5927 * tree-dfa.c (dump_subvars_for): New.
5928 (debug_subvars_for): New.
5929 (dump_variable): Show subvariables if VAR has them.
5930 * tree-flow-inline.h (get_subvar_at): New.
5931 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
5932 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
5934 (struct subvar): Change fields offset and size to unsigned
5936 (dump_subvars_for): Declare.
5937 (debug_subvars_for): Declare.
5938 (get_subvar_at): Declare.
5939 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
5940 to unsigned HOST_WIDE_INT *.
5941 (overlap_subvar): Likewise.
5942 * tree-gimple.c (is_gimple_reg): Always return false for
5943 SFTs and memory tags.
5944 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
5946 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
5947 (compute_may_aliases): Call compute_points_to_sets.
5948 (collect_points_to_info_for): Remove.
5949 (compute_points_to_and_addr_escape): Remove.
5950 (delete_alias_info): Call delete_points_to_sets.
5951 (compute_flow_sensitive_aliasing): If the call to
5952 find_what_p_points_to returns false, call set_pt_anything.
5953 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
5954 (set_pt_anything): Clear pi->pt_vars.
5955 (set_pt_malloc): Remove.
5956 (merge_pointed_to_info): Remove.
5957 (add_pointed_to_expr): Remove.
5958 (add_pointed_to_var): Remove.
5959 (collect_points_to_info_r): Remove.
5960 (is_escape_site): Make extern.
5962 (create_overlap_variables_for): Call it.
5963 * tree-ssa-copy.c (merge_alias_info): Never merge
5964 flow-sensitive alias information.
5965 * tree-ssa-operands.c (get_expr_operands): Adjust variables
5966 offset and size to be unsigned HOST_WIDE_INT.
5967 (add_to_addressable_set): Rename from note_addressable.
5968 Set TREE_ADDRESSABLE as the variables are added to the set.
5970 (add_stmt_operand): Do not try to micro-optimize unmodifiable
5971 operands into VUSEs when adding V_MAY_DEFs for members in an
5973 * tree-ssa-operands.h (add_to_addressable_set): Declare.
5974 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
5975 (struct variable_info): Add bitfield is_heap_var.
5976 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
5977 (new_var_info): Initialize is_heap_var.
5978 (get_constraint_for): Add HEAP variables to the symbol table.
5979 Mark them with is_heap_var.
5980 (update_alias_info): New. Taken mostly from the old
5981 compute_points_to_and_addr_escape.
5982 (handle_ptr_arith): New.
5983 (find_func_aliases): Call update_alias_info.
5984 Call handle_ptr_info for tcc_binary expressions.
5985 Call mark_stmt_modified.
5986 (create_variable_info_for): If DECL has subvars, do not create
5987 variables for its subvars. Always add all the fields.
5988 (set_uids_in_ptset): If the solution includes ANYOFFSET and
5989 SFTs, then add all the SFTs of the structure.
5990 If VI->DECL is an aggregate with subvariables, add the SFT at
5992 (find_what_p_points_to): If VI is an artificial variable,
5993 translate to bitfields in SSA_NAME_PTR_INFO.
5994 If the solution is empty, set pi->pt_vars to NULL
5995 (init_base_vars): Create ANYOFFSET.
5996 (compute_points_to_sets): Rename from create_alias_vars.
5998 (pass_build_pta): Remove.
5999 (delete_points_to_sets): Rename from delete_alias_vars.
6000 (pass_del_pta): Remove.
6001 * tree-ssa-structalias.h (struct alias_info): Move from
6003 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
6004 NUM_REFERENCES_SET): Likewise.
6005 (compute_points_to_sets, delete_points_to_sets): Declare.
6007 2005-07-09 Richard Henderson <rth@redhat.com>
6009 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
6010 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
6011 alpha_split_lock_test_and_set_12): New functions.
6012 * config/alpha/alpha-protos.h: Update.
6013 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
6014 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
6015 * config/alpha/sync.md (I12MODE): New.
6016 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
6017 (sync_<fetchop_name><I48MODE>): Likewise.
6018 (sync_nand<I48MODE>): Likewise.
6019 (sync_old_<fetchop_name><I48MODE>): Likewise.
6020 (sync_new_<fetchop_name><I48MODE>): Likewise.
6021 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6022 (sync_compare_and_swap<I48MODE>): Likewise.
6023 (sync_lock_test_and_set<I48MODE>): Likewise.
6024 (sync_compare_and_swap<I12MODE>): New.
6025 (sync_compare_and_swap<I12MODE>_1): New.
6026 (sync_lock_test_and_set<I12MODE>): New.
6027 (sync_lock_test_and_set<I12MODE>_1): New.
6029 2005-07-09 Diego Novillo <dnovillo@redhat.com>
6033 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
6035 2005-07-09 Jakub Jelinek <jakub@redhat.com>
6037 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
6038 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
6040 2005-07-09 Richard SAndiford <richard@codesourcery.com>
6043 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6045 2005-07-08 David Edelsohn <edelsohn@gnu.org>
6047 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
6048 memory_operand constraint.
6049 (store_conditional_<mode>): Same.
6050 (sync_compare_and_swap<mode>): Same.
6051 (sync_lock_test_and_set<mode>): Same.
6053 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
6055 Rewrite PIC support to more closely model actual instructions.
6056 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
6057 (cris_symbol): Remove prototypes for removed functions.
6058 (cris_pic_symbol_type_of, cris_valid_pic_const)
6059 (cris_expand_pic_call_address): Prototypes for new functions.
6060 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
6062 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
6064 <case ':'>: Add case for new punctuation character.
6065 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
6066 emitting (extra) PIC modifier.
6067 <case UNSPEC>: Do not assert for PLT.
6068 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
6069 (cris_expand_prologue, cris_expand_epilogue): Check
6070 for pic_offset_table_rtx usage instead of taking
6071 current_function_uses_pic_offset_table as the final word.
6072 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
6073 Remove flag_pic difference.
6074 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
6075 the moral equivalents of...
6076 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
6078 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
6079 (cris_handle_option): Mark ARG as unused.
6080 (cris_expand_pic_call_address): New worker function for "call",
6082 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
6083 output PIC constructs here.
6084 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
6085 as symbol-specific modifers, not whole or part of operands.
6086 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
6087 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
6088 constants and flag_pic.
6089 (CONSTANT_INDEX_P): Adjust for new functions.
6090 (enum cris_pic_symbol_type): New helper type.
6091 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
6092 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
6093 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
6095 ("movsi"): Emit actual instructions for GOT and relative access.
6096 ("*movsi_got_load"): New pattern to set up the register holding
6098 ("*movsi_internal"): Operand 1 is not a plain general_operand.
6099 Adjust FIXME for 'S'.
6100 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
6101 Use "movs" for -fpic cases.
6102 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
6103 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
6104 ("call", "call_value"): Just call cris_expand_pic_call_address for
6106 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
6107 Remove special pattern.
6108 ("*expanded_call_side", "*expanded_call_value_side"): New
6110 (gotplt-to-plt, gotplt-to-plt-side-call)
6111 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
6113 * config/cris/cris/predicates.md
6114 ("cris_general_operand_or_gotless_symbol"): Remove unused
6116 ("cris_general_operand_or_symbol"): Adjust for new functions.
6118 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6120 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
6122 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
6124 * Makefile.in (TREE_H): Add treestruct.def.
6125 (c-decl.o): Add pointer-set.h
6126 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
6127 visibility on regular DECL's.
6128 (merge_decls): Fix the copying of decl nodes of various types for
6129 the new structures. Don't update RTL, section name, weak status,
6130 etc, on DECL's without RTL.
6131 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
6132 Don't check volatile on non-variable types.
6133 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
6134 to check whether we have seen arguments.
6135 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
6136 flag is checked before field (flag is common, field is not).
6137 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
6138 TS_DECL_COMMON could have an origin.
6139 (add_location_or_const_value_attribute): Don't check section name
6140 on non-var/function decls.
6141 (dwarf2out_var_location): Reverse order of tests.
6142 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
6143 with DECL_WRTL_CHECK.
6144 * expmed.c (make_tree): rtl is now in decl_with_rtl.
6145 * fold-const.c (fold_binary): Don't check weakness on
6146 non-var/function decls.
6147 (tree_expr_nonzero_p): Ditto.
6148 (fold_checksum_tree): Use tree_decl_extra as sizeof
6150 * ggc-page.c (extra_order_size_table): Add sizes for
6151 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
6153 * gimplify.c (gimplify_bind_expr): Only set
6154 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
6155 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
6157 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
6158 * langhooks.h (init_ts). New langhook.
6159 * passes.c (rest_of_decl_compilation): Reverse order of tests.
6160 * print-tree.c (print_node): Update to only print fields that
6161 exist in the structures the passed decl has.
6162 * toplev.c (wrapup_global_declarations): Don't reset
6163 DECL_DEFER_OUTPUT on DECL's that don't contain it.
6164 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
6165 * tree-inline.c (remap_decl): Ditto.
6166 * tree-outof-ssa.c (create_temp): Reverse order of tests.
6167 * tree-pretty-print.c (print_declaration): Don't print
6168 DECL_REGISTER on things that don't contain it.
6169 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
6170 non-var/function decls.
6171 * tree.c (tree_contains_struct): New structure.
6172 (init_priority_for_decl): New hashtable.
6173 (tree_int_map): New structure.
6174 (tree_int_map_eq): New function.
6175 (tree_int_map_marked_p): Ditto.
6176 (tree_int_map_hash): Ditto.
6177 (tree_map): Move to tree.h.
6178 (tree_map_eq): Externalize.
6179 (tree_map_hash): Ditto.
6180 (tree_map_marked_p): Ditto.
6181 (init_ttree): Set up tree_contains_struct and call langhook.
6182 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
6183 (tree_code_size): Update for new structures.
6184 (tree_node_structure): Update for new structures.
6185 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
6187 (copy_node_stat): Copy init priority.
6188 (build_decl_stat): Ditto for visibility.
6189 (ts_enum_names): New.
6190 (tree_contains_struct_check_failed): New function.
6191 (decl_init_priority_lookup): Ditto.
6192 (decl_init_priority_insert): Ditto.
6193 * treestruct.def: New file.
6194 * tree.h (CODE_CONTAINS_STRUCT): New macro.
6195 (CONTAINS_STRUCT_CHECK): Ditto.
6196 (tree_contains_struct_check_failed): New prototype.
6197 (DECL_CHECK): Removed.
6198 (DECL_MINIMAL_CHECK): New.
6199 (DECL_COMMON_CHECK): Ditto.
6200 (DECL_WRTL_CHECK): Ditto.
6201 (DECL_NON_COMMON_CHECK): Ditto.
6202 (DECL_WITH_VIS_CHECK): Ditto.
6203 (VAR_OR_FUNCTION_DECL_P): Ditto
6204 (struct tree_decl_minimal): New structure.
6205 (struct tree_decl_common): Ditto.
6206 (struct tree_decl_with_rtl): Ditto.
6207 (struct tree_decl_with_vis): Ditto.
6208 (struct tree_decl_non_common): Ditto.
6209 (struct tree_field_decl): Ditto.
6210 (struct tree_parm_decl): Ditto.
6211 (struct tree_var_decl): Ditto.
6212 (struct tree_function_decl): Ditto.
6213 (struct tree_const_decl): Ditto.
6214 (struct tree_result_decl): Ditto.
6215 (union tree_node): Add new structures.
6216 * var-tracking.c (track_expr_p): Reverse order of tests.
6218 * doc/c-tree.texi: Add documentation on DECL node internal structure.
6220 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6222 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6223 * system.h: Poison FINALIZE_PIC.
6224 * doc/tm.texi (FINALIZE_PIC): Remove.
6226 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6229 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6230 to the correct type if we have a MODIFY_EXPR.
6232 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6234 PR tree-optimization/22360
6235 * tree.c (upper_bound_in_type): Fix calculations for casting
6236 to a non-wider signed type and casting a signed value to a
6237 wider unsigned type.
6238 (lower_bound_in_type): Fix calculations for casting to a
6239 non-wider signed type.
6241 PR tree-optimization/20139
6242 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6244 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6245 fold_cond_expr_cond.
6246 * tree-ssanames.c (release_defs): Assert in_ssa_p.
6247 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6249 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6252 * tree-complex.c (expand_complex_libcall): Produce
6253 REALPART_EXPR/IMAGPART_EXPR with the correct type.
6255 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
6257 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6258 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6259 b" assert and inserted fastpath code for this case.
6260 (bitmap_ior): Removed "a != b" assert.
6262 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6264 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6265 (ENDFILE_SPEC): Likewise.
6266 * config/m32r/m32r.h (ASM_SPEC): Likewise.
6268 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
6269 a large stack frame at epilogue.
6271 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
6273 * final.c: Include sdbout.h when required.
6275 2005-07-07 Geoffrey Keating <geoffk@apple.com>
6277 * config.gcc (*-*-darwin*): Only one target-specific header file
6279 (powerpc-*-darwin*): Add version-specific header files.
6280 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
6281 * config.in: Regenerate.
6282 * configure: Regenerate.
6283 * gcc.c: Include xregex.h.
6284 (version_compare_spec_function): New.
6285 (spec_function): Add version-compare.
6286 (replace_outfile_spec_function): Reformat comment.
6287 (compare_version_strings): New.
6288 * config/darwin-c.c (version_as_macro): New.
6289 (builtin_define): New.
6290 (darwin_cpp_builtins): New.
6291 * config/darwin-protos.h (darwin_cpp_builtins): New.
6292 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
6293 (LIB_SPEC): Make unconditional, update comment.
6294 (TARGET_C99_FUNCTIONS): Define.
6295 * config/darwin.opt: Sort.
6296 (mmacosx-version-min=): New.
6297 * config/darwin7.h: Delete.
6298 * config/darwin8.h: Delete.
6299 * config/i386/darwin.h (): Call darwin_cpp_builtins.
6300 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
6301 (TARGET_C99_FUNCTIONS): Define.
6302 * config/rs6000/darwin7.h: New.
6303 * config/rs6000/darwin8.h: New.
6304 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
6305 (-mmacosx-version-min): Document.
6307 2005-07-07 Ian Lance Taylor <ian@airs.com>
6309 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
6311 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
6314 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
6316 2005-07-07 Khem Raj <kraj@mvista.com>
6318 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
6319 in bytes, not words.
6321 2005-07-07 Paul Brook <paul@codesourcery.com>
6323 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
6324 DEFAULT_FUNCTION_ARG_PADDING to upward.
6326 2005-07-07 Richard Henderson <rth@redhat.com>
6328 * function.c (locate_and_pad_parm): Record parameter alignment in
6329 stack_alignment_needed.
6331 2005-07-07 David Edelsohn <edelsohn@gnu.org>
6333 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
6334 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
6335 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
6336 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
6337 (define_attr "type"): Add isync, sync, load_l, store_c.
6338 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
6339 Create scratch volatile MEM.
6340 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
6342 (load_locked_<mode>): New.
6343 (store_conditional_<mode>): New.
6344 (sync_compare_and_swap<mode>): Replace with splitter.
6345 (sync_lock_test_and_set<mode>): Replace with splitter.
6346 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
6348 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
6349 is ics. Attribute isync.
6350 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
6352 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
6353 and UNSPECV_SYNC_OP.
6354 (emit_unlikely_jump): New.
6355 (emit_load_locked): New.
6356 (emit_store_conditional): New.
6357 (rs6000_split_compare_and_swap): New.
6358 (rs6000_split_lock_test_and_set): New.
6359 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
6360 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
6361 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
6362 rs6000_split_lock_test_and_set): Declare.
6363 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
6364 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
6365 store_c, isync, sync.
6367 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
6369 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
6370 filenames to gtyp-gen.h.
6371 (s-typ-gen): Use it in place of for loops.
6373 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
6375 * hooks.c (hook_bool_rtx_int_false): New function.
6376 * hooks.h (hook_bool_rtx_int_false): Declare.
6377 * target-def.h (TARGET_COMMUTATIVE_P): Define.
6378 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
6379 * target.h (struct gcc_target): Add commutative_p member.
6380 * targhooks.c (hook_bool_rtx_commutative_p): New function.
6381 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
6382 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
6383 (pa_commutative_p): New function.
6384 * jump.c (target.h): Include.
6385 (rtx_renumbered_equal_p): Use targetm.commutative_p.
6386 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
6388 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6390 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
6391 (s390_expand_setmem): New.
6392 * config/s390/s390.c: Likewise.
6393 (print_shift_count_operand): Truncate to 12 bits instead of 6.
6395 * config/s390/s390.md: ("setmem<mode>"): Accept character as
6396 general_operand. Call new function "s390_expand_setmem".
6397 ("clrmem_long", "*clrmem_long"): Rewrite to ...
6398 ("setmem_long", "*setmem_long"): ... this.
6400 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6402 * config/s390/s390.c: (optimization_options): Enable
6403 TARGET_MVCLE at -Os.
6404 * doc/invoke.texi: Document changes in default behaviour.
6405 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
6407 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6409 * expr.c: (set_storage_via_setmem): Convert opchar to mode
6410 defined by back-end.
6412 2005-07-07 Jakub Jelinek <jakub@redhat.com>
6414 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
6415 all sets in the pattern.
6416 * config/rs6000/rs6000.md (stack_protect_testsi,
6417 stack_protect_testdi): Likewise.
6419 2005-07-06 Jeff Law <law@redhat.com>
6421 * tree-vrp.c (simplify_using_ranges): Kill.
6422 (vrp_finalize): Remove call to simplify_using_ranges.
6423 (simplify_stmt_using_ranges): New function extracted from
6424 simplify_using_ranges.
6425 (simplify_div_or_mod_using_ranges): Likewise.
6426 (simplify_abs_using_ranges): Likewise.
6427 (simplify_cond_using_ranges): New function.
6428 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
6429 * tree-ssa-propagate.c (substitute_and_fold): Call
6430 simplify_stmt_using_ranges if we have range information.
6432 2005-07-06 James E. Wilson <wilson@specifixinc.com>
6434 * config/ia64/ia64.c (ia64_reorg): Check optimize before
6435 ia64_flag_schedule_isns2.
6437 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
6438 reading/writing general registers.
6439 (ia64_function_arg): Revert 2005-06-18 change.
6441 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
6443 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
6444 (legitimize_tls_address): Use gcc_unreachable instead of abort.
6446 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
6448 * function.c (expand_function_end): Revert part of 2005-06-27
6449 patch. Do sjlj_emit_function_exit_after after return_label.
6451 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
6453 * doc/install.texi (--disable-libssp): New.
6455 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
6457 * doc/invoke.texi: Update -fforce-mem documentation.
6458 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
6459 code for -fforce-mem.
6460 * expmed.c: (store_bit_field,store_fixed_bit_field,
6461 extract_bit_field): Ditto.
6462 * expr.c: (convert_move): Ditto.
6463 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
6464 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
6465 emit_conditional_add,expand_float,expand_fix): Ditto.
6466 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
6467 (common_handle_option): Issue warning when -fforce-mem specified.
6469 2005-07-06 Paul Brook <paul@codesourcery.com>
6471 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
6473 * configure: Regenerate.
6475 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
6477 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
6479 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
6481 Fix PR tree-optimization/22319
6482 Fix PR tree-optimization/22140
6483 Fix PR tree-optimization/22310
6485 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
6486 variable sized types.
6487 Use correct type for intermediate structure on *a = *b structure
6490 2005-07-06 Jakub Jelinek <jakub@redhat.com>
6492 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
6494 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
6495 (machine_function): Move typedef to...
6496 * config/rs6000/rs6000.c (machine_function): ... here. Add
6497 varargs_save_offset field.
6498 (rs6000_stack_t): Remove varargs_size field.
6499 (setup_incoming_varargs): Allocate varargs save area using
6500 assign_stack_local, try to make it as small as possible.
6501 Save offset from virtual_stack_vars_rtx to the save area
6502 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
6503 instead of magic 8 when fp word byte size is used.
6504 (rs6000_va_start): Use cfun->machine->varargs_save_offset
6505 instead of -RS6000_VARARGS_SIZE.
6506 (rs6000_stack_info, debug_stack_info,
6507 rs6000_initial_elimination_offset): Remove all traces of
6509 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
6510 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
6511 RS6000_VARARGS_AREA.
6513 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6515 PR tree-optimization/21963
6516 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
6517 constant_multiple_of in the same way get_computation_cost_at does.
6519 2005-07-06 Jakub Jelinek <jakub@redhat.com>
6521 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
6522 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
6523 (gen_compare_reg): If sparc_compare_emitted is set, clear it
6524 and return its previous value.
6525 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
6526 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
6528 (stack_protect_set, stack_protect_test): New expanders.
6529 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
6530 stack_protect_testdi): New insns.
6531 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6532 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
6534 2005-07-06 Jeff Law <law@redhat.com>
6536 * tree-ssa-dce.c (cfg_altered): New global.
6537 (tree_dce_init): Initialize cfg_altered.
6538 (remove_dead_stmt): If we remove an edge in the CFG, then set
6540 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
6543 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
6545 * Makefile.in (stamp-collect-ld): Use
6546 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
6547 ./collect-ld if it already exists.
6548 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
6549 Don't remove ./nm if it already exists.
6551 2005-07-05 Devang Patel <dpatel@apple.com>
6553 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
6554 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
6555 * tree-vectorizer.c (vect_loop_location): New.
6556 (vect_print_dump_info): Use vect_loop_location.
6557 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
6558 (vectorize_loops): Set vect_loop_location.
6559 * tree-vect-analyze.c (vect_analyze_offset_expr,
6560 vect_determin_vectorization_factor, vect_analyze_operations,
6561 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
6562 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
6563 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
6564 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
6565 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
6566 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
6567 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
6568 vect_analyze_loop): Adjust vect_print_dump_info API.
6569 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6570 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
6571 vect_finish_stmt_generation, vectorizable_assignment,
6572 vectorizable_operation, vectorizable_store, vectorizable_load,
6573 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
6574 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
6575 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
6576 vect_transform_loop): Same.
6577 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
6578 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
6581 2005-07-05 Randolph Chung <tausq@debian.org>
6583 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
6584 * configure: Regenerate.
6585 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
6586 (pa_tls_referenced_p): Declare.
6587 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
6588 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
6589 (legitimize_tls_address): New.
6590 (hppa_legitimize_address): Handle TLS addresses.
6591 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
6592 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6593 (emit_move_sequence): Handle TLS addresses.
6594 (pa_encode_section_info): Call default handler to handle common
6596 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
6597 (CONSTANT_ADDRESS_P): Reject TLS operands.
6598 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
6599 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
6600 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
6601 (UNSPEC_TLSLE): Define new constants.
6602 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
6603 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
6604 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
6605 (tie_symbolic_operand, tle_symbolic_operand): New
6607 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
6609 * aclocal.m4: Update macros for autoconf 2.59 style.
6610 * configure.ac: Likewise.
6612 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6614 * pa.c (function_value): Handle small aggregates on 32-bit targets.
6615 (function_arg): Pass small aggregates in general registers on 32-bit
6617 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
6619 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
6621 * Makefile.in (final.o): Fix dependencies.
6623 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
6627 * langhooks.h (struct lang_hooks): Add expr_to_decl.
6628 * langhooks.c (lhd_expr_to_decl): New.
6629 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
6631 (LANG_HOOKS_INITIALIZER): Update.
6632 * tree.c (recompute_tree_invarant_for_addr_expr): Call
6633 expr_to_decl langhook.
6634 * c-tree.h (c_expr_to_decl): Declare.
6635 * c-typeck.c (c_expr_to_decl): New.
6636 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
6638 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
6640 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
6643 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
6644 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
6646 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
6648 * Makefile.in: Adjust dependencies.
6649 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
6650 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
6651 * alias.c (rest_of_handle_cfg, pass_cfg): New.
6652 * bb-reorder.c (duplicate_computed_gotos): Make it static.
6653 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
6654 rest_of_compilation.
6656 * bb-reorder.c (gate_duplicate_computed_gotos,
6657 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
6658 rest_of_handle_reorder_blocks, pass_reorder_blocks,
6659 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
6660 pass_partition_blocks): New.
6661 * bt-load.c (gate_handle_branch_target_load_optimize,
6662 rest_of_handle_branch_target_load_optimize,
6663 pass_branch_target_load_optimize): New.
6664 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
6666 * cfglayout.c (pass_insn_locators_initialize): New.
6667 * cfgrtl.c (pass_free_cfg): New.
6668 * combine.c (gate_handle_combine, rest_of_handle_combine,
6670 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
6671 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
6672 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
6673 * except.c (pass_set_nothrow_function_flags,
6674 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
6676 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
6677 rest_of_handle_shorten_branches, pass_shorten_branches,
6678 rest_of_clean_state, pass_clean_state): New.
6679 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
6680 rest_of_handle_remove_death_notes, pass_remove_death_notes,
6681 rest_of_handle_life, pass_life, rest_of_handle_flow2,
6683 * function.c (pass_instantiate_virtual_regs, pass_init_function,
6684 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
6685 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
6686 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
6688 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
6689 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
6690 pass_rtl_ifcvt, gate_handle_if_after_combine,
6691 rest_of_handle_if_after_combine, pass_if_after_combine,
6692 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
6693 pass_if_after_reload): New.
6694 * integrate.c (pass_initial_value_sets): New.
6695 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
6696 pass_purge_lineno_notes): New.
6697 * mode-switching.c (rest_of_handle_mode_switching,
6698 pass_mode_switching): New.
6699 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
6700 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
6702 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
6703 pass_loop_optimize): New.
6704 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
6706 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
6708 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
6709 pass_postreload_cse): New.
6710 * profile.c (gate_handle_profiling, pass_profiling,
6711 rest_of_handle_branch_prob, pass_branch_prob): New.
6712 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
6713 pass_split_before_regstack, gate_handle_split_before_regstack,
6714 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
6715 rest_of_handle_split_all_insns, pass_split_all_insns): New.
6716 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
6717 pass_stack_regs): New.
6718 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
6719 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
6720 pass_stack_adjustments): New.
6721 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
6722 pass_regrename): New.
6723 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
6724 pass_delay_slots, gate_handle_machine_reorg,
6725 rest_of_handle_machine_reorg, pass_machine_reorg): New.
6726 * rtl.h (extern void purge_line_number_notes): New.
6727 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
6728 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
6730 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
6732 * value-prof.c (gate_handle_value_profile_transformations,
6733 rest_of_handle_value_profile_transformations,
6734 pass_value_profile_transformations): New.
6735 * var-tracking.c (gate_handle_var_tracking,
6736 pass_variable_tracking): New.
6737 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
6739 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
6740 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
6741 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
6742 rest_of_handle_old_regalloc, rest_of_handle_regrename,
6743 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
6744 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
6745 rest_of_handle_gcse2, rest_of_handle_regmove,
6746 rest_of_handle_tracer, rest_of_handle_if_conversion,
6747 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
6748 rest_of_handle_web, rest_of_handle_branch_prob,
6749 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
6750 rest_of_handle_jump_bypass, rest_of_handle_combine,
6751 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6752 rest_of_handle_gcse, rest_of_handle_loop_optimize,
6753 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
6754 rest_of_handle_mode_switching, rest_of_handle_jump,
6755 rest_of_handle_eh, rest_of_handle_stack_adjustments,
6756 rest_of_handle_flow2, rest_of_handle_jump2,
6757 rest_of_handle_peephole2, rest_of_handle_postreload,
6758 rest_of_handle_shorten_branches, rest_of_clean_state,
6759 rest_of_compilation): Remove.
6761 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
6762 * passes.c (dump_flags, in_gimple_form, all_passes,
6763 all_ipa_passes, all_lowering_passes, register_one_dump_file,
6764 register_dump_files, next_pass_1, last_verified, execute_todo,
6765 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
6766 from tree-optimize.c.
6767 (init_optimization_passes): Moved from tree-optimize.c,
6768 adding the RTL optimizations.
6769 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
6770 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
6771 all_ipa_passes, all_lowering_passes, register_one_dump_file,
6772 register_dump_files, next_pass_1, last_verified, execute_todo,
6773 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
6774 init_tree_optimization_passes, ipa_passes): Delete.
6775 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
6777 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
6778 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
6780 (ipa_passes): Remove.
6781 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
6782 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
6783 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
6784 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
6785 (dump_info_p, dump_flag): Moved to tree-dump.h.
6787 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
6789 * passes.c (finish_optimization_passes): Use dump_begin
6790 and dump_end, TDI_end.
6791 (gate_rest_of_compilation): New.
6792 (pass_rest_of_compilation): Use it.
6793 (gate_postreload, pass_postreload): New.
6794 * toplev.c (general_init): Rename init_tree_optimization_passes.
6795 * toplev.h (init_tree_optimization_passes): Rename to
6796 init_optimizations_passes.
6797 * tree-dump.c (dump_flag): Make static.
6798 (dump_files): Remove RTL dumps.
6799 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
6800 pass_cleanup_cfg, pass_free_cfg_annotations,
6801 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
6802 pass_init_datastructures, pass_fixup_cfg): Make non-static.
6803 * tree-pretty-print.c: Include tree-pass.h.
6804 * cgraph.c: Include tree-dump.h.
6806 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
6808 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
6809 Only fall back to saying it points to readonly memory if
6812 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6814 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
6815 * config/m32r/m32r.c (m32r_compute_frame_size,
6816 m32r_expand_prologue): Take current_function_profile into
6817 account whenever we reference
6818 current_function_uses_pic_offset_table.
6819 (m32r_finalize_pic): Remove.
6820 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
6822 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
6824 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
6825 instead of $<. Don't remove ./as if it already exists.
6827 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6830 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
6831 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
6832 for complex modes when generating code for PA 1.0.
6833 (VALID_FP_MODE_P): New macro.
6834 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
6835 sets for all general and floating point modes. Align wide floating
6836 point modes to even register boundaries to comply with architectural
6838 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
6839 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
6840 (VALID_FP_MODE_P): New macro.
6841 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
6842 sets for all general and floating point modes. Align wide floating
6843 point modes to even register boundaries to comply with architectural
6846 2005-07-04 Diego Novillo <dnovillo@redhat.com>
6848 * tree-dump.c (dump_files): Initialize dump number for .cgraph
6851 2005-07-04 Diego Novillo <dnovillo@redhat.com>
6853 * tree-ssa-structalias.c: Don't include expr.h.
6855 2005-07-04 Diego Novillo <dnovillo@redhat.com>
6857 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
6860 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
6862 Fix PR tree-optimization/22279
6864 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
6867 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
6869 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
6871 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
6873 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
6874 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
6875 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
6876 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
6877 config/stormy16/stormy16.c, config/v850/v850.c,
6878 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
6879 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
6880 Avoid "." or "\n" at end of diagnostics and capital letters at
6881 start of diagnostics.
6882 * combine.c, cse.c: Don't translate dump file output.
6883 * toplev.c (print_version): Only translate output if going to
6886 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
6888 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
6889 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
6892 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6894 * pa.c (fix_range): Fix typo in comment.
6896 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
6898 * tree-vrp.c (extract_range_from_assert): Replace
6899 fold (build (...)) with fold_build2.
6901 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6903 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
6904 gcc_gfc_char_table, init_dynamic_gfc_info): New.
6905 (format_types_orig, handle_format_attribute): Add support for
6908 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
6910 * varasm.c (assemble_variable): Fix format specifier thinko.
6912 2005-07-03 Ira Rosen <irar@il.ibm.com>
6914 PR tree-optimization/22029 (and 22135)
6915 * tree-pretty-print.c (dump_generic_node): Check that the node is not
6916 a phi node before calling dump_vops.
6918 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
6920 * tree-dump.h (dump_string_field): Declare.
6921 * tree-dump.c: Use it instead of dump_string.
6922 (dump_string_field): Make non-static.
6924 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
6926 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
6927 up the minimal CFG stuff always when optimize > 0. Call
6928 split_all_insns_noflow in PIC case if needed.
6930 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
6931 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
6934 * c-decl.c (c_write_global_declarations): Dump contents of
6936 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
6937 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
6938 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
6939 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
6942 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
6944 * c-common.h (GCC_DIAG_STYLE): Define.
6945 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
6946 version for format checking to 4.1.
6947 * c-format.c: Include toplev.h after c-common.h.
6948 (enum format_type): Add gcc_tdiag_format_type.
6949 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
6950 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
6951 (format_types_orig): Add gcc_tdiag.
6952 (init_dynamic_diag_info): Support gcc_tdiag formats.
6953 (handle_format_attribute): Likewise.
6954 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
6955 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
6956 version for format checking to 4.1.
6957 (warning0, warning, error, pedwarn, sorry): Use
6959 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
6960 (finish_aliases_1): Do not use %qE.
6961 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
6962 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
6963 Correct format bugs.
6964 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
6965 parameter to unsigned HOST_WIDE_INT.
6966 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
6968 2005-07-02 David Edelsohn <edelsohn@gnu.org>
6971 * expr.c (write_complex_part): Use adjust_address for MEM.
6972 (read_complex_part): Same.
6974 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
6976 Fix PR tree-optimization/22280
6978 * tree-sra.c (generate_element_init): Remove useless loop.
6980 2005-07-02 Richard Henderson <rth@redhat.com>
6982 * config/alpha/alpha.c (alpha_legitimize_address): Check for
6984 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
6986 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
6989 * fold-const.c (fold_binary): Handle the return value of
6990 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
6991 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
6993 2005-07-02 Jeff Law <law@redhat.com>
6995 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
6996 a eliminate type conversion which feeds an equality comparison
6997 if the original type or either operand in the comparison is a
7000 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
7002 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
7003 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
7005 * config/avr/avr.c: Do not use '`' as left quote.
7006 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
7007 Remove "." from end of diagnostics. Make diagnostics start with
7010 2005-07-02 Zack Weinberg <zack@codesourcery.com>
7011 Joseph S. Myers <joseph@codesourcery.com>
7013 * toplev.c (default_tree_printer): Handle setting location with
7015 * c-objc.common.c (c_tree_printer): Likewise.
7016 * c-format.c (gcc_diag_flag_specs): Add '+'.
7017 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
7018 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
7020 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
7021 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
7022 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
7023 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
7024 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
7025 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
7026 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
7027 format arguments where %J is used without %D.
7029 2005-07-02 Jakub Jelinek <jakub@redhat.com>
7031 * gcc.c (LINK_SSP_SPEC): Define.
7032 (link_ssp_spec): New variable.
7033 (LINK_COMMAND_SPEC): Add %(link_ssp).
7034 (static_specs): Add link_ssp_spec.
7035 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
7036 * configure: Rebuilt.
7037 * config.in: Rebuilt.
7039 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7040 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7041 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7042 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7043 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
7044 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
7045 -0x7008(2) instead of reading __stack_chk_guard variable.
7046 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
7048 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
7049 (stack_protect_set, stack_protect_test): Use *_tls* patterns
7050 if TARGET_THREAD_SSP_OFFSET is defined.
7051 (stack_tls_protect_set_si, stack_tls_protect_set_di,
7052 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
7055 2005-06-27 Richard Henderson <rth@redhat.com>
7056 * libgcc-std.ver (GCC_4.1.0): New.
7057 * libgcc.h (__stack_chk_guard): Declare.
7058 (__stack_chk_fail, __stack_chk_fail_local): Declare.
7059 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
7060 * mklibgcc.in (lib2funcs): Add them.
7062 2005-07-01 Richard Henderson <rth@redhat.com>
7064 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
7065 void * before struct sigcontext *.
7066 (x86_fallback_frame_state): Likewise.
7068 2005-07-01 James E. Wilson <wilson@specifixinc.com>
7070 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
7072 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7075 * tree-ssa-reassoc.c (should_transpose): Fix which operand
7076 we check for SSA_NAME for.
7078 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
7080 Fix PR tree-optimization/22071
7082 * tree-ssa-structalias.c (offset_overlaps_with_access): New
7084 (get_constraint_for_component_ref): Use it.
7086 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7089 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
7090 print out the last new line.
7092 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
7094 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
7095 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
7096 * config/cris/cris.c (cris_conditional_register_usage): Adjust
7097 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
7098 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
7099 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
7100 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
7101 (enum reg_class): New member CC0_REGS.
7102 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
7103 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7104 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
7105 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
7106 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7107 Adjust for register now described.
7109 2005-07-01 Jakub Jelinek <jakub@redhat.com>
7112 * config/i386/i386.md (stack_protect_test_si,
7113 stack_protect_test_di): Add earlyclobber for scratch 3.
7114 * config/rs6000/rs6000.md (stack_protect_testsi,
7115 stack_protect_testdi): Add earlyclobber for scratch 3,
7116 remove earlyclobber from scratch 4.
7118 Older entries for 2005 can be found in ChangeLog-2005.