a269b1c558db144a5b2e372fef93b6af4eb3da20
[official-gcc.git] / gcc / ChangeLog
bloba269b1c558db144a5b2e372fef93b6af4eb3da20
1 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
3         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
4         REVISION_c.
5         (OBJS-common): Add plugin-version.o.
6         (plugin-version.o): New.
7         * gcc-plugin.h (plugin_gcc_version): New.
8         (plugin_default_version_check): New.
9         (plugin_init_func, plugin_init): Add version argument.
10         * plugin-version.c: New.
11         * plugin.c (str_plugin_gcc_version_name): New.
12         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
13         pass it to the init function.
14         (plugin_default_version_check): New.
16 2009-04-17  Richard Guenther  <rguenther@suse.de>
18         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
19         for decl-vs-decl disambiguation.
21 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
23         * config/s390/s390.h (s390_tune_attr): New macro definition.
24         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
26 2009-04-17  Richard Guenther  <rguenther@suse.de>
28         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
29         (fold_stmt_r): Likewise.
30         (maybe_fold_reference): New function.
31         (fold_gimple_assign): Handle cases fold_stmt_r did.
32         (fold_stmt): Do not use fold_stmt_r.
33         (fold_stmt_inplace): Likewise.
35 2009-04-17  Richard Guenther  <rguenther@suse.de>
37         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
38         (record_equivalences_from_stmt): Remove useless checks and
39         simplifications.
40         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
41         the type is already suitable.
43 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
45         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
47 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
49         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
50         (CMPtype): Define as __gcc_CMPtype.
52 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
54         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
55         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
57 2009-04-17  Richard Guenther  <rguenther@suse.de>
59         PR tree-optimization/39746
60         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
61         special-casing for builtins and static variable use/def.
62         (call_may_clobber_ref_p_1): Likewise.
64 2009-04-16  Ian Lance Taylor  <iant@google.com>
66         * df.h: Include "timevar.h".
67         (struct df_problem): Change tv_id field to timevar_id_t.
68         * tree-pass.h: Include "timevar.h".
69         (struct opt_pass): Change tv_id field to timevar_id_t.
70         * timevar.h (timevar_id_t): Define TV_NONE.
71         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
72         TV_NONE rather than tv_id != 0.
73         (execute_one_pass): Likewise.
74         * Makefile.in (DF_H): Add $(TIMEVAR_H).
75         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
76         dependencies to $(TREE_PASS_H).
77         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
78         to TV_NONE.
79         (pass_branch_target_load_optimize2): Likewise.
80         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
81         (pass_outof_cfg_layout_mode): Likewise.
82         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
83         (pass_rebuild_cgraph_edges): Likewise.
84         (pass_remove_cgraph_callee_edges): Likewise.
85         * df-core.c (pass_df_initialize_opt): Likewise.
86         (pass_df_initialize_no_opt): Likewise.
87         (pass_df_finish): Likewise.
88         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
89         * except.c (pass_set_nothrow_function_flags): Likewise.
90         (pass_convert_to_eh_region_ranges): Likewise.
91         * final.c (pass_compute_alignments): Likewise.
92         * function.c (pass_instantiate_virtual_regs): Likewise.
93         (pass_init_function): Likewise.
94         (pass_leaf_regs): Likewise.
95         (pass_match_asm_constraints): Likewise.
96         * gimple-low.c (pass_lower_cf): Likewise.
97         (pass_mark_used_blocks): Likewise.
98         * init-regs.c (pass_initialize_regs): Likewise.
99         * integrate.c (pass_initial_value_sets): Likewise.
100         * ira.c (pass_ira): Likewise.
101         * jump.c (pass_cleanup_barriers): Likewise.
102         * omp-low.c (pass_expand_omp): Likewise.
103         (pass_lower_omp): Likewise.
104         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
105         * recog.c (pass_split_all_insns): Likewise.
106         (pass_split_after_reload): Likewise.
107         (pass_split_before_regstack): Likewise.
108         (pass_split_before_sched2): Likewise.
109         (pass_split_for_shorten_branches): Likewise.
110         * reginfo.c (pass_reginfo_init): Likewise.
111         (pass_subregs_of_mode_init): Likewise.
112         (pass_subregs_of_mode_finish): Likewise.
113         * passes.c (pass_postreload): Likewise.
114         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
115         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
116         (pass_warn_function_return): Likewise.
117         (pass_warn_function_noreturn): Likewise.
118         * tree-complex.c (pass_lower_complex): Likewise.
119         (pass_lower_complex_O0): Likewise.
120         * tree-if-conv.c (pass_if_conversion): Likewise.
121         * tree-into-ssa.c (pass_build_ssa): Likewise.
122         * tree-mudflap.c (pass_mudflap_1): Likewise.
123         (pass_mudflap_2): Likewise.
124         * tree-nomudflap.c (pass_mudflap_1): Likewise.
125         (pass_mudflap_2): Likewise.
126         * tree-nrv.c (pass_return_slot): Likewise.
127         * tree-object-size.c (pass_object_sizes): Likewise.
128         * tree-optimize.c (pass_all_optimizations): Likewise.
129         (pass_early_local_passes): Likewise.
130         (pass_all_early_optimizations): Likewise.
131         (pass_cleanup_cfg): Likewise.
132         (pass_cleanup_cfg_post_optimizing): Likewise.
133         (pass_free_datastructures): Likewise.
134         (pass_free_cfg_annotations): Likewise.
135         (pass_fixup_cfg): Likewise.
136         (pass_init_datastructures): Likewise.
137         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
138         (pass_late_warn_uninitialized): Likewise.
139         (pass_update_address_taken): Likewise.
140         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
141         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
142         (pass_cse_sincos): Likewise.
143         (pass_convert_to_rsqrt): Likewise.
144         * tree-ssa-structalias.c (pass_build_alias): Likewise.
145         * tree-stdarg.c (pass_stdarg): Likewise.
146         * tree-tailcall.c (pass_tail_recursion): Likewise.
147         (pass_tail_calls): Likewise.
148         * tree-vect-generic.c (pass_lower_vector): Likewise.
149         (pass_lower_vector_ssa): Likewise.
150         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
152 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
154         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
155         XLR entry.
156         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
157         Handle -march=xlr.
158         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
159         logical and signext.
161 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
163         PR target/39767
164         * config/sh/predicates.md (arith_operand): Check if the operand
165         of TRUNCATE is a REG.
167 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
169         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
170         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
172 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
174         * tree-iterator.c (tsi_split_statement_list_after,
175         tsi_split_statement_list_before): Remove.
176         * tree-iterator.h: Remove the prototypes for
177         tsi_split_statement_list_after and tsi_split_statement_list_before.
179 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
181         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
182         * tree-ssa-propagate.h: Remove the prototype for
183         stmt_makes_single_load.
185 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
187         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
188         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
190 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
192         * tree-iterator.c (EXPR_LAST_BODY): Remove.
194 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
196         * except.c (eh_region_outer_p): Remove.
197         * except.h: Remove the prototype for eh_region_outer_p.
199 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
201         * function.c (current_function_assembler_name): Remove.
202         * function.h: Remove the prototype for
203         current_function_assembler_name.
205 2009-04-16  Ian Lance Taylor  <iant@google.com>
207         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
208         (add_reg_note): Call alloc_reg_note.
209         * rtl.h (alloc_reg_note): Declare.
210         * combine.c (try_combine): Use alloc_reg_note.
211         (recog_for_combine, move_deaths): Likewise.
212         (distribute_notes): Use alloc_reg_note and add_reg_note.
213         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
214         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
215         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
217 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
219         PR rtl-optimization/39762
220         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
221         ira_may_move_out_cost): Add comments about way of their usage.
222         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
223         
224         * ira-conflicts.c (process_regs_for_copy): Use function
225         ira_get_register_move_cost instead of global
226         ira_register_move_cost.
228         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
229         color_pass, move_spill_restore, update_curr_costs): Ditto.
231         * ira-lives.c (process_single_reg_class_operands): Ditto.
233         * ira-emit.c (emit_move_list): Ditto.
235         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
236         (record_reg_classes): Ditto.  Use functions
237         ira_get_register_move_cost and ira_get_may_move_cost instead of
238         global vars ira_register_move_cost, ira_may_move_out_cost and
239         ira_may_move_in_cost.
240         (record_address_regs): Don't call ira_init_register_move_cost.
241         Use function ira_get_may_move_cost instead of global
242         ira_may_move_in_cost.
243         (process_bb_node_for_hard_reg_moves): Use function
244         ira_get_register_move_cost instead of global ira_register_move_cost.
245         (ira_costs): Don't call ira_init_register_move_cost.
246         
247 2009-04-16  Richard Guenther  <rguenther@suse.de>
249         * tree-cfg.c (verify_gimple_assign_binary):
250         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
251         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
252         (create_general_new_stmt): Note that this function is broken.
254 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
256         * common.opt (fhelp): Add Var(help_flag).
257         * gcc-plugin.h (plugin_info): Add help.
258         * plugin.c (plugin_name_args): Add help.
259         (register_plugin_info): Set plugin->help.
260         (print_help_one_plugin): New.
261         (print_plugins_help): New.
262         * plugin.h (print_plugins_help): New.
263         * toplev.c (toplev_main): Call print_plugins_help if needed.
265 2009-04-16  Richard Guenther  <rguenther@suse.de>
267         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
268         (gimple_ior_addresses_taken_1): New function.
269         (gimple_ior_addresses_taken): Likewise.
270         * gimple.h (struct gimple_statement_with_ops_base): Remove
271         addresses_taken member.
272         (gimple_ior_addresses_taken): Declare.
273         (gimple_addresses_taken, gimple_addresses_taken_ptr,
274         gimple_set_addresses_taken): Remove.
275         * ipa-reference.c (mark_address): New function.
276         (scan_stmt_for_static_refs): Use it for marking addresses taken.
277         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
278         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
279         (gimple_add_to_addresses_taken): Remove.
280         (get_tmr_operands): Call mark_address_taken.
281         (get_asm_expr_operands): Likewise.
282         (get_expr_operands): Likewise.
283         (build_ssa_operands): Do not clear the addresses_taken bitmap.
284         (free_stmt_operands): Do not free it.
285         * tree-ssa.c (delete_tree_ssa): Likewise.
286         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
288 2009-04-16  Richard Guenther  <rguenther@suse.de>
290         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
291         (walk_stmt_load_store_ops): Likewise.
292         * gimple.c (get_base_loadstore): New function.
293         (walk_stmt_load_store_addr_ops): Likewise.
294         (walk_stmt_load_store_ops): Likewise.
295         * ipa-pure-const.c (check_op): Simplify.
296         (check_load, check_store): New functions.
297         (check_stmt): Use walk_stmt_load_store_ops.
298         * ipa-reference.c (mark_load): Adjust signature.
299         (mark_store): Likewise.
300         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
302 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
304         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
305         (plugin_info): New.
306         * opts.c (common_handle_option): Don't call print_version.
307         * plugin.c (plugin_name_args): Add version.
308         (register_plugin_info): New.
309         (register_callback): Handle PLUGIN_INFO.
310         (try_init_one_plugin): New.
311         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
312         if failed to init.
313         (finalize_one_plugin): New.
314         (finalize_plugins): New.
315         (print_one_plugin): New.
316         (print_plugins_versions): New.
317         * plugin.h (print_plugins_versions): New.
318         (finalize_plugins): New.
319         * toplev.c (compile_file): Don't call initialize_plugins.
320         (print_version): Call print_plugins_versions.
321         (toplev_main): Call initialize_plugins. Print version if needed.
322         Call finalize_plugins.
324 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
326         * common.opt (fversion): New.
327         * gcc.c (print_version): New.
328         (process_command): Don't print the version. Just set print_version.
329         (main): Print version. Call subprocesses if print_version and
330         verbose_flag are set.
331         * opts.c (common_handle_option): Handle OPT_fversion.
333 2009-04-16  Richard Guenther  <rguenther@suse.de>
334             Ira Rosen  <irar@il.ibm.com>
336         PR tree-optimization/39698
337         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
338         type of the reduction variable.  Only generate the def if
339         it is needed.
341         * omp-low.c (expand_omp_for_generic): When converting to a pointer
342         make sure to first convert to an integer of the same precision.
343         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
344         the type of the evolution correctly in computing the new
345         induction variable base.
347 2009-04-16  Richard Guenther  <rguenther@suse.de>
349         PR middle-end/39625
350         * tree-cfg.c (make_blocks): Split statements with to-be
351         abnormal SSA names on the lhs.
353 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
355         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
356         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
357         * c-typeck.c (really_start_incremental_init): Likewise.
358         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
359         (TARGET_INITIALIZER): Remove it.
360         * target.h (struct target): Remove vector_opaque_p.
361         * tree.c (build_opaque_vector_type): New.
362         * tree.h (TYPE_VECTOR_OPAQUE): New.
363         (build_opaque_vector_type): Declare.
364         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
365         * config/rs6000/rs6000.c (build_opaque_vector_type,
366         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
367         (rs6000_init_builtins): Use build_opaque_vector_type for
368         opaque_V4SI_type_node.
370 2009-04-15  Catherine Moore  <clm@codesourcery.com>
372         * debug.h (set_name):  Declare.
373         * dwarf2out.c (dwarf2out_set_name): Declare.
374         (dwarf2_debug_hooks): Add set_name.
375         (find_AT_string): New.
376         (add_AT_string): Call find_AT_string.
377         (dwarf2out_set_name): New.
378         * cp/decl.c (grokdeclarator): Call set_name.
379         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
380         * debug.c (do_nothing_debug_hooks):  Likewise.
381         * dbxout.c (dbx_debug_hooks): Likewise.
382         * sdbout.c (sdb_debug_hooks): Likewise.
384 2009-04-15  Michael Eager <eager@eagercon.com>
386         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
387         reg for single-precision FPU.
388         * config/rs6000/rs6000.md (movsi_internal1): Only for
389         !TARGET_SINGLE_FPU.
390         (movsi_internal1_single): New. Add pattern to move SI values to/from
391         single-precision FP regs.
393 2009-04-15  Richard Guenther  <rguenther@suse.de>
395         * omp-low.c (lower_rec_input_clauses): Build correct address
396         expressions.
397         (expand_omp_for_generic): Fix multiplication type.
398         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
399         (generate_memset_zero): Fix types.
400         * tree-profile.c (prepare_instrumented_value): Correctly
401         widen a pointer.
403 2009-04-15  Ian Lance Taylor  <iant@google.com>
405         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
406         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
407         for -Wall and for -Wc++-compat.
408         (c_common_post_options): For C++, set warn_enum_compare if not
409         already set.
410         * c-tree.h (struct c_expr): Add field original_type.
411         (build_external_ref): Update declaration.
412         * c-parser.c (c_parser_braced_init): Set original_type.
413         (c_parser_initelt): Likewise.
414         (c_parser_expr_no_commas): Likewise.
415         (c_parser_conditional_expression): Likewise.
416         (c_parser_cast_expression): Likewise.
417         (c_parser_unary_expression): Likewise.  Pull setting of
418         original_code to top of function.
419         (c_parser_sizeof_expression): Set original_type.
420         (c_parser_alignof_expression): Likewise.
421         (c_parser_postfix_expression): Likewise.  Pull setting of
422         original_code to top of function.
423         (c_parser_postfix_expression_after_paren_type): Set original_type.
424         (c_parser_postfix_expression_after_primary): Likewise.
425         (c_parser_expression): Likewise.
426         * c-typeck.c (build_external_ref): Add type parameter.  Change all
427         callers.
428         (c_expr_sizeof_expr): Set original_type field.
429         (parser_build_unary_op): Likewise.
430         (parser_build_binary_op): Likewise.  Optionally warn about
431         comparisons of enums of different types.
432         (digest_init): Set original_type field.
433         (really_start_incremental_init): Likewise.
434         (push_init_level, pop_init_level): Likewise.
435         * doc/invoke.texi (Warning Options): -Wenum-compare now
436         supported in C.
438 2009-04-15  Richard Guenther  <rguenther@suse.de>
440         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
441         out a necessary conversion.
442         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
443         names we didn't value number.
444         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
446 2009-04-15  Richard Guenther  <rguenther@suse.de>
448         PR tree-optimization/39764
449         * tree-ssa-ccp.c (get_value): Canonicalize value with
450         canonicalize_float_value.
452 2009-04-15  Jan Hubicka  <jh@suse.cz>
454         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
455         Wrong version of patch.
457 2009-04-15  Jan Hubicka  <jh@suse.cz>
459         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
461 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
463         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
464         our distinct integral and vector types.
466 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
468         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
469         * init.c (build_vtbl_address): Remove call to assemble_external.
471 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
473         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
474         output for other floating point modes.
476 2009-04-14  Diego Novillo  <dnovillo@google.com>
478         * diagnostic.c (diagnostic_report_diagnostic): Do not
479         warn about loaded plugins for DK_ERROR and DK_WARNING.
480         * c-decl.c (declspecs_add_type): Move call to
481         invoke_plugin_callbacks ...
482         * c-parser.c (c_parser_declspecs): ... here.
483         * plugin.c (dump_active_plugins): Tidy output.
485 2009-04-14  Diego Novillo  <dnovillo@google.com>
486             Le-Chun Wu  <lcwu@google.com>
488         * configure.ac: Add --enable-plugin support.
489         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
490         * Makefile.in (PLUGIN_H): Define.
491         Export ENABLE_PLUGIN and GMPINC to site.exp.
492         Add PLUGINLIBS to link command.
493         Add/modify dependencies for plugin.o and files including plugin.h.
494         (plugin.o): New.
495         * config.in: Regenerate.
496         
497         * opts.c (common_handle_option): Handle OPT_fplugin_ and
498         OPT_fplugin_arg_.
500 2009-04-14  Le-Chun Wu  <lcwu@google.com>
502         * tree-pass.h (register_one_dump_file): Add a prototype for
503         register_one_dump_file.
504         * toplev.c (compile_file): Call initialize_plugins.
505         (do_compile): Call invoke_plugin_callbacks.
506         (toplev_main): Call invoke_plugin_callbacks.
507         * common.opt: Add -fplugin= and -fplugin-arg-.
508         * gcc-plugin.h: New public header file for plugins to include.
509         * plugin.c: New source file.
510         * plugin.h: New internal header file.
511         * passes.c (register_one_dump_file): Make it external.
512         
513         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
515 2009-04-14  Diego Novillo  <dnovillo@google.com>
517         * doc/plugins.texi: New.
518         * doc/gccint.texi: Add reference to Plugins chapter.
519         * doc/invoke.texi: Document -fplugin and -fplugin-arg
520         * diagnostic.c (diagnostic_report_diagnostic): Warn about
521         loaded plugins, if any.
522         * timevar.def (TV_PLUGIN_INIT): Define.
523         (TV_PLUGIN_RUN): Define.
524         * plugin.c: Include timevar.h
525         (plugins_active_p): New.
526         (dump_active_plugins): New.
527         (debug_active_plugins): New.
529 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
531         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
532         library paths.
533         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
535 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
537         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
538         the same as a minus without a shift.
540 2009-04-14  Nick Clifton  <nickc@redhat.com>
542         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
543         comparisons with small integers will always produce a short
544         branch.
546 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
548         Merge:
549         2008-12-19  Diego Novillo  <dnovillo@google.com>
551         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
553 2000-04-14  Richard Guenther  <rguenther@suse.de>
555         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
556         verification.
557         (verify_gimple_assign_binary): Likewise.  Handle shifts and
558         rotates correctly.
559         (verify_gimple_phi): Print the mismatched argument position.
560         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
561         Fix types.
562         (vect_update_init_of_dr): Likewise.
563         * matrix-reorg.c (transform_access_sites): Do what the
564         comment suggests.
565         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
567 2009-04-13  Michael Eager <eager@eagercon.com>
569         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
570         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
571         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
572         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
573         remove duplicate config
575 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
577         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
578         file_name:line_number type locator of the call site.
579         
580 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
582         * genautomata.c: Put blank after comma.
583         (automaton_decls): New.
584         (struct unit_usage): Add comments to member next.
585         (store_alt_unit_usage): Keep the list ordered.
586         (unit_present_on_list_p, equal_alternatives_p): New.
587         (check_regexp_units_distribution): Check units distribution
588         correctness correctly.
589         (main): Don't write automata if error is found.  Return correct
590         exit code.
591         
592         * config/m68k/cf.md (cfv4_ds): Remove.
593         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
594         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
596         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
597         power4-load-ext, power4-store, power4-store-update,
598         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
599         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
600         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
601         power4-sqrt, power4-isync): Modify reservation to make correct
602         unit distribution to automata.
604         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
605         power5-store-update, power5-two, power5-three, power5-lmul,
606         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
607         
608 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
610         * except.c (pass_set_nothrow_function_flags): Set name and add
611         TODO_dump_func.
612         (set_nothrow_function_flags): Mention in the dump file when
613         changing a function to nothrow.
615 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
617         PR/39066
618         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
619         instead of unsigned long.
621 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
623         * config/arm/arm.c (return_used_this_function): Remove.
624         (arm_output_function_prologue): Remove use of
625         return_used_this_function.
626         (output_return_instruction): Replace use of
627         return_used_this_function
628         by cfun->machine->return_used_this_function.
629         (arm_output_epilogue): Likewise.
630         (arm_output_function_epilogue): Likewise.
631         (thumb_unexpanded_epilogue): Likewise.
632         * config/arm/arm.h (struct machine_function):
633         New member return_used_this_function.
635 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
637         * doc/install.texi: Correct description of default directory for
638         --with-gxx-include-dir.
640 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
642         * fold-const.c (build_range_check): Properly deal with enumeral and
643         boolean base types.
645 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
647         * doc/invoke.texi (max_gcse_passes): Remove documentation.
648         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
649         * params.h (MAX_GCSE_PASSES): Remove.
650         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
651         in sequence.  Remove ability to run multiple passes.
652         (bypass_jumps): Report run as third CPROP pass.
654 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
656         PR middle-end/39651
657         * except.c (can_throw_external): Look at each insn in a SEQUENCE
658         when deciding whether the whole SEQUENCE can throw.
660 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
662         PR target/39740
663         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
664         offseted label references.
666 2009-04-11  Jan Hubicka  <jh@suse.cz>
668         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
670 2009-04-11  Richard Guenther  <rguenther@suse.de>
672         PR middle-end/39732
673         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
674         return variables as TREE_ADDRESSABLE.
676 2009-04-11  Richard Guenther  <rguenther@suse.de>
678         PR tree-optimization/39713
679         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
680         reference trees have SSA_NAME operands.
682 2009-04-11  Richard Guenther  <rguenther@suse.de>
684         PR c/39712
685         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
686         address expressions.
688 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
690         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
691         match changes in Cygwin 1.7
692         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
693         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
695 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
697         PR tree-optimization/39701
698         * doc/invoke.texi (Optimization Options): Document change in
699         meaning and initialization of -fdelete-null-pointer-checks.
701 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
703         PR middle-end/39701
704         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
706         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
707         here.
709         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
711 2009-04-10  Chao-ying Fu  <fu@mips.com>
713         * doc/tm.texi (Instruction Output): Document
714         TARGET_ASM_FINAL_POSTSCAN_INSN.
715         * target.h (final_postscan_insn): New field in asm_out.
716         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
717         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
718         * final.c (final_scan_insn): Call
719         targetm.asm_out.final_postscan_insn after outputting
720         an asm macro and a normal instruction.
722         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
723         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
724         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
725         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
726         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
728 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
730         PR middle-end/39701
731         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
732         variables as non-NULL even with -fdelete-null-pointer-checks.
734 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
736         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
738 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
740         PR target/39678
741         * config/i386/i386.c (classify_argument): Handle SCmode with
742         (bit_offset % 64) != 0.
744 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
746         * doc/invoke.texi (Optimize Options): Add cross-reference to
747         -Q --help=optimizers examples.
749 2009-04-10  Ben Elliston  <bje@au.ibm.com>
751         PR target/36800
752         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
753         regalign for the reg == fpr and TDmode case.
755 2009-04-09  David Ayers  <ayers@fsfe.org>
757         PR objc/29200
758         * objc/objc-act.c (warn_with_method): Remove helper function.
759         (check_duplicates): Call warning and inform directly.
760         (really_start_method): Likewise.
762 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
764         * expmed.c (expand_divmod): Always use a comparison for a division
765         by a large unsigned integer.
767         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
768         for things others than variables or functions as nonzero.
770 2009-04-09  Nick Clifton  <nickc@redhat.com>
772         * unwind-compat.c: Change copyright header to refer to version
773         3 of the GNU General Public License with version 3.1 of the
774         GCC Runtime Library Exception and to point readers at the
775         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
776         * config/alpha/crtfastmath.c: Likewise.
777         * config/alpha/linux-unwind.h: Likewise.
778         * config/alpha/qrnnd.asm: Likewise.
779         * config/alpha/vms-crt0-64.c: Likewise.
780         * config/alpha/vms-crt0.c: Likewise.
781         * config/alpha/vms-dwarf2.asm: Likewise.
782         * config/alpha/vms-dwarf2eh.asm: Likewise.
783         * config/alpha/vms-psxcrt0-64.c: Likewise.
784         * config/alpha/vms-psxcrt0.c: Likewise.
785         * config/alpha/vms_tramp.asm: Likewise.
786         * config/arc/initfini.c: Likewise.
787         * config/arc/lib1funcs.asm: Likewise.
788         * config/arm/bpabi-v6m.S: Likewise.
789         * config/arm/bpabi.S: Likewise.
790         * config/arm/bpabi.c: Likewise.
791         * config/arm/crti.asm: Likewise.
792         * config/arm/crtn.asm: Likewise.
793         * config/arm/ieee754-df.S: Likewise.
794         * config/arm/ieee754-sf.S: Likewise.
795         * config/arm/lib1funcs.asm: Likewise.
796         * config/arm/libunwind.S: Likewise.
797         * config/arm/linux-atomic.c: Likewise.
798         * config/arm/mmintrin.h: Likewise.
799         * config/arm/pr-support.c: Likewise.
800         * config/arm/unaligned-funcs.c: Likewise.
801         * config/arm/unwind-arm.c: Likewise.
802         * config/arm/unwind-arm.h: Likewise.
803         * config/avr/libgcc.S: Likewise.
804         * config/bfin/crti.s: Likewise.
805         * config/bfin/crtlibid.s: Likewise.
806         * config/bfin/crtn.s: Likewise.
807         * config/bfin/lib1funcs.asm: Likewise.
808         * config/bfin/linux-unwind.h: Likewise.
809         * config/cris/arit.c: Likewise.
810         * config/cris/cris_abi_symbol.c: Likewise.
811         * config/darwin-64.c: Likewise.
812         * config/darwin-crt2.c: Likewise.
813         * config/darwin-crt3.c: Likewise.
814         * config/darwin.h: Likewise.
815         * config/dbxelf.h: Likewise.
816         * config/dfp-bit.c: Likewise.
817         * config/dfp-bit.h: Likewise.
818         * config/elfos.h: Likewise.
819         * config/fixed-bit.c: Likewise.
820         * config/fixed-bit.h: Likewise.
821         * config/fp-bit.c: Likewise.
822         * config/fp-bit.h: Likewise.
823         * config/fr30/crti.asm: Likewise.
824         * config/fr30/crtn.asm: Likewise.
825         * config/fr30/lib1funcs.asm: Likewise.
826         * config/freebsd-spec.h: Likewise.
827         * config/frv/cmovd.c: Likewise.
828         * config/frv/cmovh.c: Likewise.
829         * config/frv/cmovw.c: Likewise.
830         * config/frv/frvbegin.c: Likewise.
831         * config/frv/frvend.c: Likewise.
832         * config/frv/lib1funcs.asm: Likewise.
833         * config/glibc-stdint.h: Likewise.
834         * config/h8300/clzhi2.c: Likewise.
835         * config/h8300/crti.asm: Likewise.
836         * config/h8300/crtn.asm: Likewise.
837         * config/h8300/ctzhi2.c: Likewise.
838         * config/h8300/fixunssfsi.c: Likewise.
839         * config/h8300/lib1funcs.asm: Likewise.
840         * config/h8300/parityhi2.c: Likewise.
841         * config/h8300/popcounthi2.c: Likewise.
842         * config/i386/ammintrin.h: Likewise.
843         * config/i386/att.h: Likewise.
844         * config/i386/avxintrin.h: Likewise.
845         * config/i386/biarch64.h: Likewise.
846         * config/i386/bmmintrin.h: Likewise.
847         * config/i386/cpuid.h: Likewise.
848         * config/i386/cross-stdarg.h: Likewise.
849         * config/i386/crtfastmath.c: Likewise.
850         * config/i386/crtprec.c: Likewise.
851         * config/i386/cygming-crtbegin.c: Likewise.
852         * config/i386/cygming-crtend.c: Likewise.
853         * config/i386/cygwin.asm: Likewise.
854         * config/i386/emmintrin.h: Likewise.
855         * config/i386/gmm_malloc.h: Likewise.
856         * config/i386/gthr-win32.c: Likewise.
857         * config/i386/i386.h: Likewise.
858         * config/i386/immintrin.h: Likewise.
859         * config/i386/linux-unwind.h: Likewise.
860         * config/i386/linux64.h: Likewise.
861         * config/i386/mm3dnow.h: Likewise.
862         * config/i386/mmintrin-common.h: Likewise.
863         * config/i386/mmintrin.h: Likewise.
864         * config/i386/nmmintrin.h: Likewise.
865         * config/i386/pmm_malloc.h: Likewise.
866         * config/i386/pmmintrin.h: Likewise.
867         * config/i386/smmintrin.h: Likewise.
868         * config/i386/sol2-c1.asm: Likewise.
869         * config/i386/sol2-ci.asm: Likewise.
870         * config/i386/sol2-cn.asm: Likewise.
871         * config/i386/sol2-gc1.asm: Likewise.
872         * config/i386/tmmintrin.h: Likewise.
873         * config/i386/unix.h: Likewise.
874         * config/i386/w32-unwind.h: Likewise.
875         * config/i386/wmmintrin.h: Likewise.
876         * config/i386/x86-64.h: Likewise.
877         * config/i386/x86intrin.h: Likewise.
878         * config/i386/xmmintrin.h: Likewise.
879         * config/ia64/crtbegin.asm: Likewise.
880         * config/ia64/crtend.asm: Likewise.
881         * config/ia64/crtfastmath.c: Likewise.
882         * config/ia64/crti.asm: Likewise.
883         * config/ia64/crtn.asm: Likewise.
884         * config/ia64/fde-glibc.c: Likewise.
885         * config/ia64/lib1funcs.asm: Likewise.
886         * config/ia64/linux-unwind.h: Likewise.
887         * config/ia64/quadlib.c: Likewise.
888         * config/ia64/unwind-ia64.c: Likewise.
889         * config/linux.h: Likewise.
890         * config/m32c/m32c-lib1.S: Likewise.
891         * config/m32c/m32c-lib2-trapv.c: Likewise.
892         * config/m32c/m32c-lib2.c: Likewise.
893         * config/m32r/initfini.c: Likewise.
894         * config/m68hc11/larith.asm: Likewise.
895         * config/m68hc11/m68hc11-crt0.S: Likewise.
896         * config/m68k/cf.md: Likewise.
897         * config/m68k/crti.s: Likewise.
898         * config/m68k/crtn.s: Likewise.
899         * config/m68k/lb1sf68.asm: Likewise.
900         * config/m68k/linux-unwind.h: Likewise.
901         * config/mcore/crti.asm: Likewise.
902         * config/mcore/crtn.asm: Likewise.
903         * config/mcore/lib1.asm: Likewise.
904         * config/mips/linux-unwind.h: Likewise.
905         * config/mips/loongson.h: Likewise.
906         * config/mips/mips16.S: Likewise.
907         * config/mmix/crti.asm: Likewise.
908         * config/mmix/crtn.asm: Likewise.
909         * config/pa/fptr.c: Likewise.
910         * config/pa/hpux-unwind.h: Likewise.
911         * config/pa/lib2funcs.asm: Likewise.
912         * config/pa/linux-atomic.c: Likewise.
913         * config/pa/linux-unwind.h: Likewise.
914         * config/pa/milli64.S: Likewise.
915         * config/pa/quadlib.c: Likewise.
916         * config/pa/stublib.c: Likewise.
917         * config/picochip/libgccExtras/adddi3.asm: Likewise.
918         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
919         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
920         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
921         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
922         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
923         * config/picochip/libgccExtras/divmod15.asm: Likewise.
924         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
925         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
926         * config/picochip/libgccExtras/longjmp.asm: Likewise.
927         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
928         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
929         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
930         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
931         * config/picochip/libgccExtras/setjmp.asm: Likewise.
932         * config/picochip/libgccExtras/subdi3.asm: Likewise.
933         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
934         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
935         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
936         * config/rs6000/750cl.h: Likewise.
937         * config/rs6000/altivec.h: Likewise.
938         * config/rs6000/biarch64.h: Likewise.
939         * config/rs6000/crtresfpr.asm: Likewise.
940         * config/rs6000/crtresgpr.asm: Likewise.
941         * config/rs6000/crtresxfpr.asm: Likewise.
942         * config/rs6000/crtresxgpr.asm: Likewise.
943         * config/rs6000/crtsavfpr.asm: Likewise.
944         * config/rs6000/crtsavgpr.asm: Likewise.
945         * config/rs6000/darwin-asm.h: Likewise.
946         * config/rs6000/darwin-fallback.c: Likewise.
947         * config/rs6000/darwin-fpsave.asm: Likewise.
948         * config/rs6000/darwin-ldouble.c: Likewise.
949         * config/rs6000/darwin-tramp.asm: Likewise.
950         * config/rs6000/darwin-unwind.h: Likewise.
951         * config/rs6000/darwin-vecsave.asm: Likewise.
952         * config/rs6000/darwin-world.asm: Likewise.
953         * config/rs6000/e500crtres32gpr.asm: Likewise.
954         * config/rs6000/e500crtres64gpr.asm: Likewise.
955         * config/rs6000/e500crtres64gprctr.asm: Likewise.
956         * config/rs6000/e500crtrest32gpr.asm: Likewise.
957         * config/rs6000/e500crtrest64gpr.asm: Likewise.
958         * config/rs6000/e500crtresx32gpr.asm: Likewise.
959         * config/rs6000/e500crtresx64gpr.asm: Likewise.
960         * config/rs6000/e500crtsav32gpr.asm: Likewise.
961         * config/rs6000/e500crtsav64gpr.asm: Likewise.
962         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
963         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
964         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
965         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
966         * config/rs6000/eabi-ci.asm: Likewise.
967         * config/rs6000/eabi-cn.asm: Likewise.
968         * config/rs6000/eabi.asm: Likewise.
969         * config/rs6000/linux-unwind.h: Likewise.
970         * config/rs6000/linux64.h: Likewise.
971         * config/rs6000/paired.h: Likewise.
972         * config/rs6000/paired.md: Likewise.
973         * config/rs6000/ppc64-fp.c: Likewise.
974         * config/rs6000/ppu_intrinsics.h: Likewise.
975         * config/rs6000/rs6000.h: Likewise.
976         * config/rs6000/si2vmx.h: Likewise.
977         * config/rs6000/sol-ci.asm: Likewise.
978         * config/rs6000/sol-cn.asm: Likewise.
979         * config/rs6000/spe.h: Likewise.
980         * config/rs6000/spu2vmx.h: Likewise.
981         * config/rs6000/sysv4.h: Likewise.
982         * config/rs6000/tramp.asm: Likewise.
983         * config/rs6000/vec_types.h: Likewise.
984         * config/s390/linux-unwind.h: Likewise.
985         * config/s390/tpf-unwind.h: Likewise.
986         * config/score/crti.asm: Likewise.
987         * config/score/crtn.asm: Likewise.
988         * config/sh/crt1.asm: Likewise.
989         * config/sh/crti.asm: Likewise.
990         * config/sh/crtn.asm: Likewise.
991         * config/sh/divtab-sh4-300.c: Likewise.
992         * config/sh/divtab-sh4.c: Likewise.
993         * config/sh/divtab.c: Likewise.
994         * config/sh/lib1funcs-4-300.asm: Likewise.
995         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
996         * config/sh/lib1funcs.asm: Likewise.
997         * config/sh/lib1funcs.h: Likewise.
998         * config/sh/linux-atomic.asm: Likewise.
999         * config/sh/linux-unwind.h: Likewise.
1000         * config/sh/shmedia.h: Likewise.
1001         * config/sh/sshmedia.h: Likewise.
1002         * config/sh/ushmedia.h: Likewise.
1003         * config/sparc/crtfastmath.c: Likewise.
1004         * config/sparc/linux-unwind.h: Likewise.
1005         * config/sparc/sol2-c1.asm: Likewise.
1006         * config/sparc/sol2-ci.asm: Likewise.
1007         * config/sparc/sol2-cn.asm: Likewise.
1008         * config/spu/divmodti4.c: Likewise.
1009         * config/spu/divv2df3.c: Likewise.
1010         * config/spu/float_disf.c: Likewise.
1011         * config/spu/float_unsdidf.c: Likewise.
1012         * config/spu/float_unsdisf.c: Likewise.
1013         * config/spu/float_unssidf.c: Likewise.
1014         * config/spu/mfc_multi_tag_release.c: Likewise.
1015         * config/spu/mfc_multi_tag_reserve.c: Likewise.
1016         * config/spu/mfc_tag_release.c: Likewise.
1017         * config/spu/mfc_tag_reserve.c: Likewise.
1018         * config/spu/mfc_tag_table.c: Likewise.
1019         * config/spu/multi3.c: Likewise.
1020         * config/spu/spu_internals.h: Likewise.
1021         * config/spu/spu_intrinsics.h: Likewise.
1022         * config/spu/spu_mfcio.h: Likewise.
1023         * config/spu/vec_types.h: Likewise.
1024         * config/spu/vmx2spu.h: Likewise.
1025         * config/stormy16/stormy16-lib2.c: Likewise.
1026         * config/svr4.h: Likewise.
1027         * config/sync.c: Likewise.
1028         * config/v850/lib1funcs.asm: Likewise.
1029         * config/vxlib-tls.c: Likewise.
1030         * config/vxlib.c: Likewise.
1031         * config/vxworks-dummy.h: Likewise.
1032         * config/xtensa/crti.asm: Likewise.
1033         * config/xtensa/crtn.asm: Likewise.
1034         * config/xtensa/ieee754-df.S: Likewise.
1035         * config/xtensa/ieee754-sf.S: Likewise.
1036         * config/xtensa/lib1funcs.asm: Likewise.
1037         * config/xtensa/lib2funcs.S: Likewise.
1038         * config/xtensa/linux-unwind.h: Likewise.
1039         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1040         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1041         * coretypes.h: Likewise.
1042         * crtstuff.c: Likewise.
1043         * defaults.h: Likewise.
1044         * dwarf2.h: Likewise.
1045         * emutls.c: Likewise.
1046         * gbl-ctors.h: Likewise.
1047         * gcov-io.h: Likewise.
1048         * ginclude/float.h: Likewise.
1049         * ginclude/iso646.h: Likewise.
1050         * ginclude/stdarg.h: Likewise.
1051         * ginclude/stdbool.h: Likewise.
1052         * ginclude/stddef.h: Likewise.
1053         * ginclude/stdfix.h: Likewise.
1054         * ginclude/stdint-gcc.h: Likewise.
1055         * ginclude/tgmath.h: Likewise.
1056         * gthr-aix.h: Likewise.
1057         * gthr-dce.h: Likewise.
1058         * gthr-gnat.c: Likewise.
1059         * gthr-gnat.h: Likewise.
1060         * gthr-lynx.h: Likewise.
1061         * gthr-mipssde.h: Likewise.
1062         * gthr-nks.h: Likewise.
1063         * gthr-posix.c: Likewise.
1064         * gthr-posix.h: Likewise.
1065         * gthr-posix95.h: Likewise.
1066         * gthr-rtems.h: Likewise.
1067         * gthr-single.h: Likewise.
1068         * gthr-solaris.h: Likewise.
1069         * gthr-tpf.h: Likewise.
1070         * gthr-vxworks.h: Likewise.
1071         * gthr-win32.h: Likewise.
1072         * gthr.h: Likewise.
1073         * libgcc2.c: Likewise.
1074         * libgcc2.h: Likewise.
1075         * libgcov.c: Likewise.
1076         * tsystem.h: Likewise.
1077         * typeclass.h: Likewise.
1078         * unwind-c.c: Likewise.
1079         * unwind-compat.h: Likewise.
1080         * unwind-dw2-fde-compat.c: Likewise.
1081         * unwind-dw2-fde-darwin.c: Likewise.
1082         * unwind-dw2-fde-glibc.c: Likewise.
1083         * unwind-dw2-fde.c: Likewise.
1084         * unwind-dw2-fde.h: Likewise.
1085         * unwind-dw2.c: Likewise.
1086         * unwind-dw2.h: Likewise.
1087         * unwind-generic.h: Likewise.
1088         * unwind-pe.h: Likewise.
1089         * unwind-sjlj.c: Likewise.
1090         * unwind.inc: Likewise.
1091         * config/arm/neon-gen.ml: Change generated copyright header to
1092         refer to version 3 of the GNU General Public License with
1093         version 3.1 of the GCC Runtime Library Exception and to point
1094         readers at the COPYING3 and COPYING3.RUNTIME files and the
1095         FSF's license web page.
1096         * config/arm/arm_neon.h: Regenerate.
1098 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
1100         * config/cris/cris.md: Change copyright header to refer to version
1101         3 of the GNU General Public License.
1102         * doc/install.texi2html: Change copyright header to refer to version
1103         3 of the GNU General Public License and to point readers at the
1104         COPYING3 file and the FSF's license web page.
1105         * config/vax/linux.h: Likewise.
1107 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1109         * config/i386/i386.md (cmpcc): New.
1110         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1111         (sync_compare_and_swap_cc*): Delete.
1113         * config/s390/s390.c (s390_compare_emitted): Remove.
1114         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1115         s390_compare_emitted used to be handled.  Assert that modes match.
1116         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1117         refer to sync_compare_and_swap_ccsi.
1118         * config/s390/s390.h (s390_compare_emitted): Remove.
1119         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1120         instead of s390_compare_emitted.
1121         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1122         instead of s390_compare_emitted.
1123         * config/s390/s390.md (cmpcc): New.
1124         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1125         CC_REGNUM, do not pretend it's set.
1126         (sync_compare_and_swap_cc*): Delete.
1127         * config/s390/predicates.md (cc_reg_operand): New.
1129         * expr.c (sync_compare_and_swap_cc): Delete.
1130         * optabs.h (sync_compare_and_swap_cc): Delete.
1131         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1132         is being used with can_compare_p.
1133         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1134         (find_cc_set): New.
1135         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1136         look for a MODE_CC set instead.  Use emit_store_flag.
1137         (expand_compare_and_swap_loop): Likewise, with some additional
1138         complication to avoid a force_reg when useless.  Use
1139         emit_cmp_and_jump_insns.
1140         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1141         * doc/md.texi (sync_compare_and_swap_cc): Merge with
1142         sync_compare_and_swap documentation.
1144 2009-04-09  Jan Hubicka  <jh@suse.cz>
1146         * except.c (find_prev_try): Break out from ....
1147         (duplicate_eh_regions): ... here; properly update prev_try pointers
1148         when duplication part of tree.
1149         (dump_eh_tree): Improve dumping.
1150         (verify_eh_region): New.
1151         (verify_eh_tree): Use it.
1153 2009-04-06  Richard Guenther  <rguenther@suse.de>
1155         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1156         &ARRAY addresses by adjusting their types and prepending
1157         a conversion.
1158         * tree-cfg.c (verify_gimple_assign_single): Verify that
1159         addresses are correct.
1161 2009-04-09  Richard Guenther  <rguenther@suse.de>
1163         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1164         indices into an array reference if possible.
1165         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1166         Fold POINTER_PLUS_EXPR statements with invariant address.
1168 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
1170         PR target/39634
1171         * config.gcc (powerpc64-*-linux*): Always build biarch.
1173 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
1175         PR c/39613
1176         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1177         it and pedwarn if this results in an INTEGER_CST.
1179 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1181         * doc/install.texi: Update minimum GMP version.  Remove obsolete
1182         text in MPFR section.
1184 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1186         * dwarf2out.c (class_scope_p): New static inline.
1187         (class_or_namespace_scope_p): Use it.
1188         (gen_variable_die): Use DW_TAG_member tag for static data member
1189         declarations instead of DW_TAG_variable.
1191         PR middle-end/39573
1192         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1193         variables.
1195 2009-04-08  Richard Guenther  <rguenther@suse.de>
1197         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1198         valueize random data.
1200 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
1202         * config.gcc (aix tm_file):  Add aix-stdint.h.
1203         (aix tm clause use_gcc_stdint):  Set to wrap.
1204         * config/rs6000/aix-stdint.h:  New file.
1205         
1206 2009-04-08  Richard Guenther  <rguenther@suse.de>
1208         PR middle-end/36291
1209         * tree-dfa.c (add_referenced_var): Do not recurse into
1210         global initializers.
1211         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1212         exposed variables.
1213         (fold_const_aggregate_ref): Likewise.
1215 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1217         * recog.c (ordered_comparison_operator): New.
1218         * gensupport.c (std_preds): Add it.
1219         * doc/md.texi (Machine-Independent Predicates): Document it.
1221 2009-04-08  Jan Hubicka  <jh@suse.cz>
1223         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1224         * function.h (rtl_eh): Remove exception_handler_label_map.
1225         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1226         remove_exception_handler_label, for_each_eh_label_1): Remove.
1227         (rtl_remove_unreachable_regions): Remove.
1228         (convert_from_eh_region_ranges): Do not remove unreachable regions.
1229         (find_exception_handler_labels): Don't build the hashtable.
1230         (maybe_remove_eh_handler): Remove.
1231         (for_each_eh_label): Rewrite to walk the tree.
1232         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1233         * except.h (maybe_remove_eh_handler): Remove.
1234         * passes.c (init_optimization_passes): Schedule second EH cleanup
1235         before out-of-ssa.
1236         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1237         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1239 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1241         * genoutput.c (validate_optab_operands): New.
1242         (gen_insn, gen_expand): Call it.
1244         * genflags.c (gen_insn): Detect misused iterators.
1245         (main): Pass line_no to gen_insn, exit with status 1 on error.
1247         * genextract.c (line_no): Make global.
1248         (VEC_safe_set_locstr): Change assertion to error message.
1249         (main): Exit with status 1 on error.
1251 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
1253         PR c/39614
1254         PR c/39673
1255         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1256         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1257         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1258         * c-convert.c (convert): Do not call fold on results of conversion
1259         functions when the result is a C_MAYBE_CONST_EXPR.
1260         * c-parser.c (c_parser_postfix_expression): Do not fold condition
1261         of __builtin_choose_expr.
1262         * c-typeck.c (remove_c_maybe_const_expr): New.
1263         (build_unary_op, build_conditional_expr, build_compound_expr,
1264         build_binary_op, c_objc_common_truthvalue_conversion): Call
1265         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1266         integer operands.
1268 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1270         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
1271         CODE to produce a new one. Add a prototype to use fold_convert_const
1273 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
1275         PR bootstrap/39660
1276         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1277         mix declarations and code.
1279 2009-04-08  Ben Elliston  <bje@au.ibm.com>
1281         * gcc.c: Replace `CC' with `GCC' throughout.
1283 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1285         * doc/invoke.texi: Document Atom support.
1287 2009-04-07  Jason Merrill  <jason@redhat.com>
1289         PR c++/25185
1290         * c-common.h, c-common.c: Add flag_pretty_templates.
1291         * c-opts.c (c_common_handle_option): Set it.
1292         * c.opt: Add -fno-pretty-templates.
1293         * doc/invoke.texi (C++ Dialect Options): Likewise.
1295 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
1297         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1298         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1299         (ia64_expand_builtin): Likewise.
1301 2009-04-07  Martin Jambor  <mjambor@suse.cz>
1303         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1304         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1305         ADDR_EXPRS are include too.
1307 2009-04-07  Richard Guenther  <rguenther@suse.de>
1309         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1310         decls are only used if passes as parameters or if they are
1311         local statics and the call is not to a builtin.
1312         (call_may_clobber_ref_p_1): Likewise.
1314 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1316         * expr.c (do_store_flag): Remove last argument.  Simplify code
1317         to avoid duplication of tests already done by can_compare_p.
1318         (expand_expr_real_1): Adjust caller.
1320 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1322         * optabs.c (can_compare_p): Test the predicate of a
1323         cbranch and cstore pattern.
1325 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1327         * expr.c (convert_move): Use emit_store_flag instead of
1328         "emulating" it.
1330 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1332         * config/i386/i386.c (ix86_compare_emitted): Remove.
1333         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1334         ix86_compare_op0 like ix86_compare_emitted used to be handled.
1335         * config/i386/i386.h (ix86_compare_emitted): Remove.
1336         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1337         instead of ix86_compare_emitted.
1338         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1340 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
1342         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1343         Add t-sysroot-suffix to tmake_file.
1344         * config/print-sysroot-suffix.sh: New file.
1345         * config/t-sysroot-suffix: New file.
1347 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1349         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1350         as the latter produces a warning when the target does not support
1351         infinity.
1353 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1355         * dfp.c: Replace type punning assignments with memcpy throughout.
1356         * Makefile.in (dfp.o-warn): Remove.
1357         
1358 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
1360         PR target/39634
1361         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1362         Include soft-fp/t-softfp after rs6000/t-linux64.
1364 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1366         * stor-layout.c (set_sizetype): Use the full precision of their
1367         machine mode for bitsize types.
1369 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
1371         * config/i386/i386.md: Revert 2 accidental checkins.
1373 2009-04-06  Joey Ye  <joey.ye@intel.com>
1374             Xuepeng Guo <xuepeng.guo@intel.com>
1375             H.J. Lu  <hongjiu.lu@intel.com>
1377         Atom pipeline model, tuning and insn selection.
1378         * config.gcc (atom): Add atom config options and target.
1380         * config/i386/atom.md: New.
1382         * config/i386/i386.c (atom_cost): New cost.
1383         (m_ATOM): New macro flag.
1384         (initial_ix86_tune_features): Set m_ATOM.
1385         (x86_accumulate_outgoing_args): Likewise.
1386         (x86_arch_always_fancy_math_387): Likewise.
1387         (processor_target): Add Atom cost.
1388         (cpu_names): Add Atom cpu name.
1389         (override_options): Set Atom ISA.
1390         (ix86_issue_rate): New case PROCESSOR_ATOM.
1391         (ix86_adjust_cost): Likewise.
1393         * config/i386/i386.h (TARGET_ATOM): New target macro.
1394         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1395         (TARGET_OPT_AGU): New target option.
1396         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1397         (processor_type): Add PROCESSOR_ATOM.
1399         * config/i386/i386.md (cpu): Add new value "atom".
1400         (use_carry, movu): New attr.
1401         (atom.md): Include atom.md.
1402         (adddi3_carry_rex64): Set attr "use_carry".
1403         (addqi3_carry): Likewise.
1404         (addhi3_carry): Likewise.
1405         (addsi3_carry): Likewise.
1406         (*addsi3_carry_zext): Likewise.
1407         (subdi3_carry_rex64): Likewise.
1408         (subqi3_carry): Likewise.
1409         (subhi3_carry): Likewise.
1410         (subsi3_carry): Likewise.
1411         (x86_movdicc_0_m1_rex64): Likewise.
1412         (*x86_movdicc_0_m1_se): Likewise.
1413         (x86_movsicc_0_m1): Likewise.
1414         (*x86_movsicc_0_m1_se): Likewise.
1415         (*adddi_1_rex64): Emit add insn as much as possible.
1416         (*addsi_1): Likewise.
1417         (return_internal): Set atom_unit.
1418         (return_internal_long): Likewise.
1419         (return_pop_internal): Likewise.
1420         (*rcpsf2_sse): Set atom_sse_attr attr.
1421         (*qrt<mode>2_sse): Likewise.
1422         (*prefetch_sse): Likewise.
1424         * config/i386/i386-c.c (ix86_target_macros_internal): New case
1425         PROCESSOR_ATOM.
1426         (ix86_target_macros_internal): Likewise.
1428         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1429         (*prefetch_sse_rex): Likewise.
1430         (sse_rcpv4sf2): Likewise.
1431         (sse_vmrcpv4sf2): Likewise.
1432         (sse_sqrtv4sf2): Likewise.
1433         (<sse>_vmsqrt<mode>2): Likewise.
1434         (sse_ldmxcsr): Likewise.
1435         (sse_stmxcsr): Likewise.
1436         (*sse_sfence): Likewise.
1437         (sse2_clflush): Likewise.
1438         (*sse2_mfence): Likewise.
1439         (*sse2_lfence): Likewise.
1440         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1441         (<sse>_movup<ssemodesuffixf2c>): Likewise.
1442         (avx_movdqu<avxmodesuffix>): Likewise.
1443         (avx_lddqu<avxmodesuffix>): Likewise.
1444         (sse2_movntv2di): Change attr "type" to "ssemov".
1445         (sse2_movntsi): Likewise.
1446         (rsqrtv8sf2): Change attr "type" to "sseadd".
1447         (sse3_addsubv2df3): Set attr "atom_unit".
1448         (sse3_h<plusminus_insn>v4sf3): Likewise.
1449         (*sse2_pmaddwd): Likewise.
1450         (*vec_extractv2di_1_rex64): Likewise.
1451         (*vec_extractv2di_1_avx): Likewise.
1452         (sse2_psadbw): Likewise.
1453         (ssse3_phaddwv8hi3): Likewise.
1454         (ssse3_phaddwv4hi3): Likewise.
1455         (ssse3_phadddv4si3): Likewise.
1456         (ssse3_phadddv2si3): Likewise.
1457         (ssse3_phaddswv8hi3): Likewise.
1458         (ssse3_phaddswv4hi3): Likewise.
1459         (ssse3_phsubwv8hi3): Likewise.
1460         (ssse3_phsubwv4hi3): Likewise.
1461         (ssse3_phsubdv4si3): Likewise.
1462         (ssse3_phsubdv2si3): Likewise.
1463         (ssse3_phsubswv8hi3): Likewise.
1464         (ssse3_phsubswv4hi3): Likewise.
1465         (ssse3_pmaddubsw128): Likewise.
1466         (sse3_pmaddubsw: Likewise.
1467         (ssse3_palignrti): Likewise.
1468         (ssse3_palignrdi): Likewise.
1470 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1472         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1474 2009-04-06  Richard Guenther  <rguenther@suse.de>
1476         PR tree-optimization/28868
1477         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1478         of which PHI results we inserted.
1479         (insert_into_preds_of_block): Record inserted PHIs.
1480         (eliminate): Eliminate redundant PHI nodes.
1481         (init_pre): Init inserted_phi_names.
1483 2009-04-06  Richard Guenther  <rguenther@suse.de>
1485         PR tree-optimization/39643
1486         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1487         IMAGPART_EXPRs of complex constants.
1488         (execute_fold_all_builtins): If we folded a call queue
1489         TODO_update_address_taken.
1491 2009-04-06  Jan Hubicka  <jh@suse.cz>
1493         PR middle-end/39659
1494         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1495         flag.
1497 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1499         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1500         delay slot.
1501         (ic_invalidate_array): Likewise.
1503 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1505         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1506         alignment for library calls.
1508 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1510         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1511         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1512         * config/i386/mingw-stdint.h:  New file.
1514 2009-04-05  Richard Guenther  <rguenther@suse.de>
1516         PR tree-optimization/39648
1517         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1518         our &A vs. &A[0] IL deficiencies.
1520 2009-04-04  Jan Hubicka  <jh@suse.cz>
1522         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1523         removed toplevel regions.
1524         (sjlj_mark_call_sites): Likewise.
1526 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1528         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1529         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1530         * config/i386/cygwin-stdint.h:  New file.
1532 2009-04-04  Richard Guenther  <rguenther@suse.de>
1534         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1535         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1536         single-argument PHIs if we are in loop-closed SSA form.
1537         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1538         for the pre-condition.
1539         (slpeel_tree_peel_loop_to_edge): Likewise.
1540         (vect_build_loop_niters): Take an optional sequence to append stmts.
1541         (vect_generate_tmps_on_preheader): Likewise.
1542         (vect_do_peeling_for_loop_bound): Take extra guards for the
1543         pre-condition.
1544         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1545         the cost model check.
1546         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1547         guards if we are going to peel.  Do not apply versioning in that case.
1548         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1549         (vect_do_peeling_for_loop_bound): Likewise.
1550         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1551         loop bound only record extra pre-conditions, do not apply loop
1552         versioning.
1554 2009-04-04  Richard Guenther  <rguenther@suse.de>
1556         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1557         renaming code.
1559 2009-04-04  Jan Hubicka  <jh@suse.cz>
1561         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1562         last_basic_block for size of bb->index indexed array.
1563         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1564         compute_out, link_btr_uses, build_btr_def_use_webs,
1565         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1567 2009-04-04  Jan Hubicka  <jh@suse.cz>
1569         * except.c (remove_eh_handler_and_replace): Break out from ...
1570         (remove_eh_handler): ... here.
1571         (bring_to_root): New function.
1572         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1573         handled ones, bring others to root of tree.
1575 2009-04-04  Jan Hubicka  <jh@suse.cz>
1577         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1578         (all_phis_safe_to_merge): New function.
1579         (update_info): New structure.
1580         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1581         (cleanup_empty_eh): Update SSA if possible.
1583 2009-04-04  Richard Guenther  <rguenther@suse.de>
1585         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1586         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1587         (append_vuse): Likewise.
1589 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1591         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1592         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1593         instead of REG_UNSAVED for DW_CFA_undefined.
1594         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1595         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1596         outermost frame.
1598 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1600         PR target/39501
1601         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1602         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1603         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1605 2009-04-04  Richard Guenther  <rguenther@suse.de>
1607         PR tree-optimization/8781
1608         PR tree-optimization/37892
1609         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1610         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1611         (valueize_refs): Call it for *& valueizations.
1612         (shared_reference_ops_from_ref): Rename to ...
1613         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1614         (shared_reference_ops_from_call): Rename to ...
1615         (valueize_shared_reference_ops_from_call): ... this and valueize.
1616         (vn_reference_lookup): Update.
1617         (visit_reference_op_call): Likewise.
1618         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1619         (eliminate): Value-replace the call address in call statements.
1621 2009-04-04  Richard Guenther  <rguenther@suse.de>
1623         PR tree-optimization/39636
1624         * tree-ssa-forwprop.c
1625         (forward_propagate_addr_into_variable_array_index): Check for
1626         GIMPLE_ASSIGN before accessing the rhs code.
1628 2009-04-03  Jason Merrill  <jason@redhat.com>
1630         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1632 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1634         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1635         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1636         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1637         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1638         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1639         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1640         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1641         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1642         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1643         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1644         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1645         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1646         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1647         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1648         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1649         Use fr_reg_or_fp01_operand instead of fr_register_operand
1651         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1652         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1653         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1655 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1657         PR rtl-optimization/39607
1658         PR rtl-optimization/39631
1660         Revert:
1661         
1662         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1663         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1664         instead of DF_LR_OUT.
1665         * ira-lives.c (process_bb_node_lives): Ditto.
1666         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1667         instead of DF_LR_{OUT,IN}.
1668         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1669         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1671 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1673         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1674         (execute_lower_omp): Always run but take the short way out if -fopenmp
1675         is not given.
1676         (gate_lower_omp): Remove, forcing the pass manager to always run the
1677         pass and always set PROP_gimple_lomp.
1678         (pass_lower_omp): Remove gate function.
1679         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1680         PROP_trees.  Instead, require it.
1681         * ipa-cp.c (pass_ipa_cp): Likewise.
1682         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1683         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1684         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1685         and PROP_gimple_leh.
1687 2009-04-03  Richard Guenther  <rguenther@suse.de>
1689         PR middle-end/13146
1690         PR tree-optimization/23940
1691         PR tree-optimization/33237
1692         PR middle-end/33974
1693         PR middle-end/34093
1694         PR tree-optimization/36201
1695         PR tree-optimization/36230
1696         PR tree-optimization/38049
1697         PR tree-optimization/38207
1698         PR tree-optimization/38230
1699         PR tree-optimization/38301
1700         PR tree-optimization/38585
1701         PR middle-end/38895
1702         PR tree-optimization/38985
1703         PR tree-optimization/39299
1704         * tree-ssa-structalias.h: Remove.
1705         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1706         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1707         (struct vuse_element_d): Remove.
1708         (struct vuse_vec_d): Likewise.
1709         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1710         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1711         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1712         VUSE_ELEMENT_VAR): Likewise.
1713         (struct voptype_d): Likewise.
1714         (NUM_VOP_FREE_BUCKETS): Likewise.
1715         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1716         (struct stmt_operands_d): Remove.
1717         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1718         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1719         VDEF_NUM, VDEF_VECT): Likewise.
1720         (copy_virtual_operands): Remove.
1721         (operand_build_cmp): Likewise.
1722         (create_ssa_artificial_load_stmt): Likewise.
1723         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1724         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1725         vuse_index and mayuse_index members.  Pack and move done and iter_type
1726         members to the front.
1727         (SSA_OP_VMAYUSE): Remove.
1728         (SSA_OP_VIRTUAL_USES): Adjust.
1729         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1730         (unlink_stmt_vdef): Declare.
1731         (add_to_addressable_set): Remove.
1732         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1733         (vrp_visit_stmt): Likewise.
1734         * doc/tree-ssa.texi (Alias analysis): Update.
1735         * doc/invoke.texi (max-aliased-vops): Remove docs.
1736         (avg-aliased-vops): Likewise.
1737         * tree-into-ssa.c (syms_to_rename): Remove.
1738         (need_to_update_vops_p): Likewise.
1739         (need_to_initialize_update_ssa_p): Rename to ...
1740         (update_ssa_initialized_fn): ... this.  Track function we are
1741         initialized for.
1742         (symbol_marked_for_renaming): Simplify.
1743         (add_new_name_mapping): Do not set need_to_update_vops_p.
1744         (dump_currdefs): Use SYMS_TO_RENAME.
1745         (rewrite_update_stmt): Always walk all uses/defs.
1746         (dump_update_ssa): Adjust.
1747         (init_update_ssa): Take function argument.  Track what we are
1748         initialized for.
1749         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1750         (create_new_def_for): Initialize for cfun, assert we are initialized
1751         for cfun.
1752         (mark_sym_for_renaming): Simplify.
1753         (mark_set_for_renaming): Do not initialize update-ssa.
1754         (need_ssa_update_p): Simplify.  Take function argument.
1755         (name_mappings_registered_p): Assert we ask for the correct function.
1756         (name_registered_for_update_p): Likewise.
1757         (ssa_names_to_replace): Likewise.
1758         (release_ssa_name_after_update_ssa): Likewise.
1759         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
1760         (dump_decl_set): Do not print a newline.
1761         (debug_decl_set): Do it here.
1762         (dump_update_ssa): And here.
1763         * tree-ssa-loop-im.c (move_computations): Adjust.
1764         (movement_possibility): Likewise.
1765         (determine_max_movement): Likewise.
1766         (gather_mem_refs_stmt): Likewise.
1767         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1768         or NAME_MEMORY_TAG.
1769         * tree-complex.c (update_all_vops): Remove.
1770         (expand_complex_move): Adjust.
1771         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1772         Simplify test for memory referencing statement.  Exclude
1773         non-invariant ADDR_EXPRs.
1774         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1775         * tree-loop-distribution.c (generate_memset_zero): Adjust.
1776         (rdg_flag_uses): Likewise.
1777         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1778         related code.
1779         (tree_optimize_tail_calls_1): Also split the
1780         edge from the entry block if we have degenerate PHI nodes in
1781         the first basic block.
1782         * tree.c (init_ttree): Remove memory-tag related code.
1783         (tree_code_size): Likewise.
1784         (tree_node_structure): Likewise.
1785         (build7_stat): Re-write to be build6_stat.
1786         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1787         (SSA_VAR_P): Adjust.
1788         (struct tree_memory_tag): Remove.
1789         (struct tree_memory_partition_tag): Likewise.
1790         (union tree_node): Adjust.
1791         (build7): Re-write to be build6.
1792         * tree-pass.h (pass_reset_cc_flags): Remove.
1793         (TODO_update_address_taken): New flag.
1794         (pass_simple_dse): Remove.
1795         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1796         * params.h (MAX_ALIASED_VOPS): Remove.
1797         (AVG_ALIASED_VOPS): Likewise.
1798         * omp-low.c (expand_omp_taskreg): Update SSA form.
1799         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1800         aliases the lhs in a copy stmt.
1801         * tree-ssa-dse.c (struct address_walk_data): Remove.
1802         (memory_ssa_name_same): Likewise.
1803         (memory_address_same): Likewise.
1804         (get_kill_of_stmt_lhs): Likewise.
1805         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
1806         unused stores.  Look through PHI nodes into post-dominated regions.
1807         (dse_optimize_stmt): Simplify.  Properly remove stores.
1808         (tree_ssa_dse): Compute dominators.
1809         (execute_simple_dse): Remove.
1810         (pass_simple_dse): Likewise.
1811         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1812         gimple_loaded_syms and gimple_stored_syms computation.
1813         * toplev.c (dump_memory_report): Dump alias and pta stats.
1814         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1815         (vn_reference_eq): Likewise.
1816         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1817         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1818         valueize_vuses): Remove.
1819         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
1820         (get_def_ref_stmt_vuse): ... this.
1821         (vn_reference_lookup_2): New function.
1822         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1823         walking equivalent vuses.  Simplify.
1824         (vn_reference_lookup): Likewise.
1825         (vn_reference_insert): Likewise.
1826         (vn_reference_insert_pieces): Likewise.
1827         (visit_reference_op_call): Simplify.
1828         (visit_reference_op_load): Likewise.
1829         (visit_reference_op_store): Likewise.
1830         (init_scc_vn): Remove shared_lookup_vuses initialization.
1831         (free_scc_vn): Remove shared_lookup_vuses freeing.
1832         (sort_vuses, sort_vuses_heap): Remove.
1833         (get_ref_from_reference_ops): Export.
1834         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1835         vector with single vuse pointer.
1836         (vn_reference_lookup_pieces, vn_reference_lookup,
1837         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1838         (shared_vuses_from_stmt): Remove.
1839         (get_ref_from_reference_ops): Declare.
1840         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1841         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1842         memory-tag related code.
1843         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1844         (likely_value): Add comment, skip static-chain of call statements.
1845         (surely_varying_stmt_p): Adjust.
1846         (gimplify_and_update_call_from_tree): Likewise.
1847         (execute_fold_all_builtins): Do not rebuild alias info.
1848         (gimplify_and_update_call_from_tree): Properly update VOPs.
1849         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1850         (copy_ref_info): Remove memory-tag related code.
1851         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1852         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1853         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1854         computation.
1855         * tree-ssa-dom.c (gimple_p): Remove typedef.
1856         (eliminate_redundant_computations): Adjust.
1857         (record_equivalences_from_stmt): Likewise.
1858         (avail_expr_hash): Likewise.
1859         (avail_expr_eq): Likewise.
1860         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1861         (stmt_makes_single_load): Likewise.
1862         (stmt_makes_single_store): Likewise.
1863         * tree-ssa-alias.c: Rewrite completely.
1864         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1865         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1866         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1867         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1868         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1869         Remove public functions.
1870         (pass_reset_cc_flags): Remove.
1871         (pass_build_alias): Move ...
1872         * tree-ssa-structalias.c (pass_build_alias): ... here.
1873         * tree-ssa-alias.c (may_be_aliased): Move ...
1874         * tree-flow-inline.h (may_be_aliased): ... here.
1875         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1876         count_uses_and_derefs): Move ...
1877         * gimple.c: ... here.
1878         * gimple.h (count_uses_and_derefs): Declare.
1879         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1880         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1881         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1882         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1883         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1884         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1885         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1886         New functions.
1887         * tree-dfa.c (refs_may_alias_p): Move ...
1888         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
1889         * tree-ssa-alias.h: New file.
1890         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1891         (statement_sink_location): Likewise.
1892         * opts.c (decode_options): Do not adjust max-aliased-vops or
1893         avg-aliased-vops values.
1894         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1895         (TV_CALL_CLOBBER): Likewise.
1896         (TV_FLOW_SENSITIVE): Likewise.
1897         (TV_FLOW_INSENSITIVE): Likewise.
1898         (TV_MEMORY_PARTITIONING): Likewise.
1899         (TV_ALIAS_STMT_WALK): New timevar.
1900         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1901         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1902         (get_address_description): Remove memory-tag related code.
1903         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1904         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1905         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1906         and immediate uses in statements.  Document.
1907         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1908         (dump_symbols): Remove.
1909         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1910         * alias.c (get_deref_alias_set): New function split out from ...
1911         (get_alias_set): ... here.
1912         * alias.h (get_deref_alias_set): Declare.
1913         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1914         type parameter.  Remove restrict pointer handling.  Create a
1915         ref-all pointer in case type-based alias sets do not conflict.
1916         (vect_analyze_data_refs): Remove SMT related code.
1917         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1918         (vectorizable_load): Likewise.
1919         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1920         (DR_SYMBOL_TAG, DR_VOPS): Remove.
1921         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1922         Ignore vops and SMTs.
1923         (dr_analyze_alias): Likewise..
1924         (free_data_ref): Likewise.
1925         (create_data_ref): Likewise.
1926         (analyze_all_data_dependences): Likewise.
1927         (get_references_in_stmt): Adjust.
1928         * tree-flow-inline.h (gimple_aliases_computed_p,
1929         gimple_addressable_vars, gimple_call_clobbered_vars,
1930         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1931         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1932         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1933         gimple_mem_ref_stats): Remove.
1934         (gimple_vop): New function.
1935         (op_iter_next_use): Remove vuses and mayuses cases.
1936         (op_iter_next_def): Remove vdefs case.
1937         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1938         (clear_and_done_ssa_iter): Do not set removed fields.
1939         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
1940         Assert we are not iterating over vuses or vdefs if not also
1941         iterating over uses or defs.
1942         (op_iter_init_use): Likewise.
1943         (op_iter_init_def): Likewise.
1944         (op_iter_next_vdef): Remove.
1945         (op_iter_next_mustdef): Likewise.
1946         (op_iter_init_vdef): Likewise.
1947         (compare_ssa_operands_equal): Likewise.
1948         (link_use_stmts_after): Handle vuse operand.
1949         (is_call_used): Use is_call_clobbered.
1950         (is_call_clobbered): Global variables are always call clobbered,
1951         query the call-clobbers bitmap.
1952         (mark_call_clobbered): Ignore global variables.
1953         (clear_call_clobbered): Likewise.
1954         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1955         virtual operands sanity check.
1956         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1957         Remove.
1958         (TARGET_MEM_REF): Remove TMR_TAG operand.
1959         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1960         Remove call-clobber related code.
1961         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
1962         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1963         partitions or escape reason.
1964         (get_single_def_stmt, get_single_def_stmt_from_phi,
1965         get_single_def_stmt_with_phi): Remove.
1966         (dump_referenced_vars): Tidy.
1967         (get_ref_base_and_extent): Allow bare decls.
1968         (collect_dfa_stats): Adjust.
1969         * graphite.c (rename_variables_in_stmt): Adjust.
1970         (graphite_copy_stmts_from_block): Likewise.
1971         (translate_clast): Likewise.
1972         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1973         (EXPR_DIES): New.
1974         (translate_vuse_through_block): Use the oracle.
1975         (phi_translate_1): Adjust.
1976         (value_dies_in_block_x): Use the oracle.  Cache the outcome
1977         in EXPR_DIES.
1978         (valid_in_sets): Check if the VUSE for
1979         a REFERENCE is available.
1980         (eliminate): Do not remove stmts during elimination,
1981         instead queue and remove them afterwards.
1982         (do_pre): Do not rebuild alias info.
1983         (pass_pre): Run TODO_rebuild_alias before PRE.
1984         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1985         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1986         (mark_all_v_defs_stmt): Remove.
1987         (mark_all_v_defs_seq): Adjust.
1988         (sra_replace): Likewise.
1989         (scalarize_use): Likewise.
1990         (scalarize_copy): Likewise.
1991         (scalarize_init): Likewise.
1992         (scalarize_ldst): Likewise.
1993         (todoflags): Remove.
1994         (tree_sra): Do not rebuild alias info.
1995         (tree_sra_early): Adjust.
1996         (pass_sra): Run TODO_update_address_taken before SRA.
1997         * tree-predcom.c (set_alias_info): Remove.
1998         (prepare_initializers_chain): Do not call it.
1999         (mark_virtual_ops_for_renaming): Adjust.
2000         (mark_virtual_ops_for_renaming_list): Remove.
2001         (initialize_root_vars): Adjust.
2002         (initialize_root_vars_lm): Likewise.
2003         (prepare_initializers_chain): Likewise.
2004         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
2005         (may_propagate_copy_into_stmt): Likewise.
2006         (merge_alias_info): Do nothing for now.
2007         (propagate_tree_value_into_stmt): Adjust.
2008         (stmt_may_generate_copy): Likewise.
2009         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
2010         not mark symbols for renaming.
2011         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
2012         with the same statement, make sure to update the new pointed-to one.
2013         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
2014         call statements, do not mark symbols for renaming.
2015         (mark_operand_necessary): Dump something.
2016         (ref_may_be_aliased): New function.
2017         (mark_aliased_reaching_defs_necessary_1): New helper function.
2018         (mark_aliased_reaching_defs_necessary): Likewise.
2019         (mark_all_reaching_defs_necessary_1): Likewise.
2020         (mark_all_reaching_defs_necessary): Likewise.
2021         (propagate_necessity): Do not process virtual PHIs.  For
2022         non-aliased loads mark all reaching definitions as necessary.
2023         For aliased loads and stores mark the immediate dominating
2024         aliased clobbers as necessary.
2025         (visited): New global static.
2026         (perform_tree_ssa_dce): Free visited bitmap after propagating
2027         necessity.
2028         (remove_dead_phis): Perform simple dead virtual PHI removal.
2029         (remove_dead_stmt): Properly unlink virtual operands when
2030         removing stores.
2031         (eliminate_unnecessary_stmts): Schedule PHI removal after
2032         stmt removal.
2033         * tree-ssa-ter.c (is_replaceable_p): Adjust.
2034         (process_replaceable): Likewise.
2035         (find_replaceable_in_bb): Likewise.
2036         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2037         based on the single gimple vop.
2038         (verify_flow_insensitive_alias_info): Remove.
2039         (verify_flow_sensitive_alias_info): Likewise.
2040         (verify_call_clobbering): Likewise.
2041         (verify_memory_partitions): Likewise.
2042         (verify_alias_info): Likewise.
2043         (verify_ssa): Adjust..
2044         (execute_update_addresses_taken): Export.  Update SSA
2045         manually.  Optimize only when optimizing.  Use a local bitmap.
2046         (pass_update_address_taken): Remove TODO_update_ssa, add
2047         TODO_dump_func.
2048         (pass_update_address_taken): Just use TODO_update_address_taken.
2049         (init_tree_ssa): Do not initialize addressable_vars.
2050         (verify_ssa): Verify new VUSE / VDEF properties.
2051         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2052         Do not call verify_alias_info.
2053         (delete_tree_ssa): Clear the VUSE, VDEF operands.
2054         Do not free the loaded and stored syms bitmaps.  Reset the escaped
2055         and callused solutions.  Do not free addressable_vars.
2056         Remove memory-tag related code.
2057         (warn_uninitialized_var): Aliases are always available.
2058         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2059         * lambda-code.c (can_put_in_inner_loop): Adjust.
2060         (can_put_after_inner_loop): Likewise.
2061         (perfect_nestify): Likewise.
2062         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2063         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2064         (vectorizable_conversion): Do not mark symbols for renaming.
2065         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2066         (expand_call_inline): Unlink the calls virtual operands before
2067         replacing it.
2068         (tree_function_versioning): Do not call update_ssa if we are not
2069         updating clones.  Simplify.
2070         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2071         (propagate_with_phi): Likewise..
2072         * tree-outof-ssa.c (create_temp): Remove memory tag and call
2073         clobber code.  Assert we are not aliased or global.
2074         * tree-flow.h: Include tree-ssa-alias.h
2075         (enum escape_type): Remove.
2076         (struct mem_sym_stats_d): Likewise.
2077         (struct mem_ref_stats_d): Likewise.
2078         (struct gimple_df): Add vop member.  Remove global_var,
2079         call_clobbered_vars, call_used_vars, addressable_vars,
2080         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
2081         escaped and callused members.
2082         (struct ptr_info_def): Remove all members, add points-to solution
2083         member pt.
2084         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2085         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2086         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2087         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2088         (tree-ssa-alias.o): Likewise.
2089         (toplev.o): Add tree-ssa-alias.h
2090         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2091         * gimple.c (gimple_set_bb): Fix off-by-one error.
2092         (is_gimple_reg): Do not handle memory tags.
2093         (gimple_copy): Also copy virtual operands.
2094         Delay updating the statement.  Do not reset loaded and stored syms.
2095         (gimple_set_stored_syms): Remove.
2096         (gimple_set_loaded_syms): Likewise.
2097         (gimple_call_copy_skip_args): Copy the virtual operands
2098         and mark the new statement modified.
2099         * tree-ssa-structalias.c (may_alias_p): Remove.
2100         (set_uids_in_ptset): Take the alias set to prune with as
2101         parameter.  Fold in the alias test of may_alias_p.
2102         (compute_points_to_sets): Compute whether a ptr is dereferenced
2103         in a local sbitmap.
2104         (process_constraint): Deal with &ANYTHING on the lhs, reject all
2105         other ADDRESSOF constraints on the lhs.
2106         (get_constraint_for_component_ref): Assert that we don't get
2107         ADDRESSOF constraints from the base of the reference.
2108         Properly generate UNKNOWN_OFFSET for DEREF if needed.
2109         (struct variable_info): Remove collapsed_to member.
2110         (get_varinfo_fc): Remove.
2111         (new_var_info): Do not set collapsed_to.
2112         (dump_constraint): Do not follow cycles.
2113         (dump_constraint_graph): Likewise.
2114         (build_pred_graph): Likewise.
2115         (build_succ_graph): Likewise.
2116         (rewrite_constraints): Likewise.
2117         (do_simple_structure_copy): Remove.
2118         (do_rhs_deref_structure_copy): Remove.
2119         (do_lhs_deref_structure_copy): Remove.
2120         (collapse_rest_of_var): Remove.
2121         (do_structure_copy): Re-implement.
2122         (pta_stats): New global variable.
2123         (dump_pta_stats): New function.
2124         (struct constraint_expr): Make offset signed.
2125         (UNKNOWN_OFFSET): Define special value.
2126         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2127         (solution_set_expand): New helper function split out from ...
2128         (do_sd_constraint): ... here.
2129         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
2130         (do_ds_constraint): Likewise.
2131         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
2132         and CALLUSED = *CALLUSED.
2133         (set_union_with_increment): Make inc argument signed.
2134         (type_safe): Remove.
2135         (get_constraint_for_ptr_offset): Handle unknown and negative
2136         constant offsets.
2137         (first_vi_for_offset): Handle offsets before start.  Bail
2138         out early for offsets beyond the variable extent.
2139         (first_or_preceding_vi_for_offset): New function.
2140         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2141         Together with ESCAPED = *ESCAPED this properly computes reachability.
2142         (find_what_var_points_to): New function.
2143         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2144         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2145         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2146         pt_solutions_intersect): New functions.
2147         (compute_call_used_vars): Remove.
2148         (compute_may_aliases): New main entry into PTA computation.
2149         * gimple.h (gimple_p): New typedef.
2150         (struct gimple_statement_base): Remove references_memory_p.
2151         (struct gimple_statement_with_memory_ops_base): Remove
2152         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
2153         members.
2154         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2155         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2156         gimple_set_references_memory): Remove.
2157         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2158         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2159         New functions.
2160         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2161         (verify_expr): Allow RESULT_DECL.
2162         (gimple_duplicate_bb): Do not copy virtual operands.
2163         (gimple_duplicate_sese_region): Adjust.
2164         (gimple_duplicate_sese_tail): Likewise.
2165         (mark_virtual_ops_in_region): Remove.
2166         (move_sese_region_to_fn): Do not call it.
2167         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2168         and pass_simple_dse.
2169         (execute_function_todo): Handle TODO_update_address_taken,
2170         call execute_update_addresses_taken for TODO_rebuild_alias.
2171         (execute_todo): Adjust.
2172         (execute_one_pass): Init dump files early.
2173         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2174         call-clobbered.
2175         (create_general_new_stmt): Clear vops.
2176         * tree-ssa-reassoc.c (get_rank): Adjust.
2177         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2178         symbols for renaming.
2179         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2180         (PARAM_AVG_ALIASED_VOPS): Likewise.
2181         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2182         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2183         * tree-ssa-operands.c: Simplify for new virtual operand representation.
2184         (operand_build_cmp, copy_virtual_operands,
2185         create_ssa_artificial_load_stmt, add_to_addressable_set,
2186         gimple_add_to_addresses_taken): Remove public functions.
2187         (unlink_stmt_vdef): New function.
2189 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2191         * config.gcc (powerpc-*-linux*): Merge variants.
2193 2009-04-02  Chao-ying Fu  <fu@mips.com>
2194             James Grosbach <james.grosbach@microchip.com>
2196         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2197         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2198         cop0_sp_offset.
2199         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2200         keep_interrupts_masked_p, use_debug_exception_return_p.
2201         (mips_attribute_table): Add interrupt, use_shadow_register_set,
2202         keep_interrupts_masked, use_debug_exception_return.
2203         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2204         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2205         New functions.
2206         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2207         (mips_print_operand): Process COP0 registers to print $0 .. $31
2208         correctly for GAS to process.
2209         (mips_interrupt_extra_call_saved_reg_p): New function.
2210         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2211         extra registers.
2212         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2213         (mips_compute_frame_info): Add supports for interrupt context that
2214         includes doubleword accumulators and COP0 registers.
2215         (mips_for_each_saved_acc): New function.
2216         (mips_for_each_saved_gpr_and_fpr): Change the function name from
2217         mips_for_each_saved_reg.
2218         (mips_save_reg): Save accumulators.
2219         (mips_kernel_reg_p): A new for_each_rtx callback.
2220         (mips_expand_prologue): Support interrupt handlers.
2221         (mips_restore_reg): Restore accumulators.
2222         (mips_expand_epilogue): Support interrupt handlers.
2223         (mips_can_use_return_insn): Return false for interrupt handlers.
2224         (mips_epilogue_uses): New function.
2225         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2226         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2227         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2228         cop0_move): New instructions.
2229         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2230         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2231         defines.
2232         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2233         New defines.
2234         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2235         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2236         interrupt handlers, we use K0 as the temporary register.
2237         (EPILOGUE_USES): Change to a function call.
2238         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2239         handlers, we use K0 as the temporary register.
2240         
2241         * doc/extend.texi (Function Attributes): Document interrupt,
2242         use_shadow_register_set, keep_interrupts_masked,
2243         use_debug_exception_return for MIPS attributes.
2245 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2247         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2248         Remove a number of t-files from tmake_file.
2249         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2250         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2251         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2252         target_prototype, not TARGET_PROTOTYPE.
2253         (LINK_OS_GNU_SPEC): Define.
2254         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2255         and darwin-ldoubdle.c.
2257 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2259         PR driver/39293
2260         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2261         (cpp_options): Ditto.
2262         (default_compilers): Ditto.
2263         (display_help): Ditto.
2264         (process_command): Ditto.
2265         (do_spec_1): Ditto.
2266         (set_input): Use lbasename instead of duplicate code.
2267         (save_temps_prefix): New static for -save-temps=obj.
2268         (save_temps_length): Ditto.
2269         
2270         * doc/invoke.texi (-save-temps=obj): Document new variant to
2271         -save-temps switch.
2273 2009-04-02  Jeff Law  <law@redhat.com>
2275         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2276         variable.
2278 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2280         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2281         * configure: Regenerated.
2283 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2285         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2286         share the argument list.
2288 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2290         Merge
2292         2009-02-12  Diego Novillo  <dnovillo@google.com>
2294         * varpool.c (debug_varpool): New.
2295         * cgraph.h (debug_varpool): Declare.
2297 2009-04-02  Jan Hubicka  <jh@suse.cz>
2299         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2300         pass.
2302 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2304         * config/i386/i386.c (ix86_abi): Move initialization to ...
2305         (override_options): Here.
2307 2009-04-02  Christian Bruel  <christian.bruel@st.com>
2309         * config/sh/sh.c (sh_dwarf_register_span): New function.
2310         (TARGET_DWARF_REGISTER_SPAN): Define.
2311         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2312         
2313 2009-04-02  Ira Rosen  <irar@il.ibm.com>
2315         PR tree-optimization/39595
2316         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
2317         interleaved loads group is not  greater than the SLP group size.
2319 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2321         * builtins.c (is_builtin_name): New.
2322         (called_as_built_in): Use is_builtin_name.
2323         * tree.h (is_builtin_name): New.
2324         * varasm.c (incorporeal_function_p): Use is_builtin_name
2326 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
2328         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2330 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
2332         PR c++/26693
2333         * c-decl.c (clone_underlying_type): Move this ...
2334         * c-common.c (set_underlying_type): ... here.
2335         Also, make sure the function properly sets TYPE_STUB_DECL() on
2336         the newly created typedef variant type.
2337         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2338         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2339         points.
2341 2009-04-02  Richard Guenther  <rguenther@suse.de>
2343         PR tree-optimization/37221
2344         * tree-flow.h (degenerate_phi_result): Declare.
2345         * tree-ssa-dom.c (degenerate_phi_result): Export.
2346         * tree-scalar-evolution.c (analyze_initial_condition): If
2347         the initial condition is defined by a degenerate PHI node
2348         use the degenerate value.
2350 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
2352         PR rtl-optimization/39588
2353         * combine.c (merge_outer_ops): Do not set the constant when this
2354         is not necessary.
2355         (simplify_shift_const_1): Do not modify it either in this case.
2357 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2359         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2360         tuning is deprecated if -mtune value is set to an Itanium1 variant.
2362 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
2364         PR c/29027
2365         * c-lex.c (interpret_float): Default (no suffix) is double.
2367 2009-04-1  Xinliang David Li  <davidxl@google.com>
2369         * config/i386/i386.c (legitimate_constant_p): Recognize
2370         all one vector constant.
2372 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2374         * gcc/config/vax/vax.c: Add #includes to silence warnings.
2375         Change #include order to silence two warnings.
2377 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2379         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2380         (ASM_SPEC): Pass -k to the assembler for PIC code.
2382 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2384         * gcc/config.gcc: Add vax-*-linux* to the switch.
2385         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2386         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2388 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2390         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2391         Use predicate macros instead of GET_CODE() == foo.
2392         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2393         ashlsi3, rotrsi3, <unnamed>): Likewise.
2395 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2397         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2398         jbbccihi, jbbccisi): Remova trailing whitespace.
2399         * gcc/config/vax/constraints.md: Likewise.
2400         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2401         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2402         * gcc/config/vax/predicates.md: Likewise.
2403         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2404         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2405         * gcc/config/vax/vax.h: Likewise.
2406         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2408 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2410         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2411         (indirectable_address_p, adjacent_operands_p): Add spaces around
2412         braces.
2413         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2415 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2417         * gcc/config/vax/vax.c (legitimate_constant_address_p,
2418         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2419         index_term_p, reg_plus_index_p, legitimate_address_p,
2420         vax_mode_dependent_address_p): Update comments to match functions
2421         modified by the recent int->bool conversion.
2423 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2425         * gcc/config/vax/builtins.md: Update copyright message.
2426         * gcc/config/vax/constraints.md: Likewise.
2427         * gcc/config/vax/netbsd-elf.h: Likewise.
2428         * gcc/config/vax/predicates.md: Likewise.
2429         * gcc/config/vax/vax-protos.h: Likewise.
2430         * gcc/config/vax/vax.c: Likewise.
2431         * gcc/config/vax/vax.h: Likewise.
2432         * gcc/config/vax/vax.md: Likewise.
2433         * gcc/config/vax/vax.opt: Likewise.
2435 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2437         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2438         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2439         * gcc/config/vax/constraints.md (B, R): Likewise.
2440         * gcc/config/vax/predicates.md (external_memory_operand,
2441         nonimmediate_addsub_di_operand): Likewise.
2442         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2443         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2444         untyped_call): Likewise.
2446 2009-04-01  Matt Thomas <matt@3am-software.com>
2448         * config/vax/predicates.md: New file.
2449         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2450         external_const_operand, nonsymbolic_operand, external_memory_operand,
2451         indirect_memory_operand, indexed_memory_operand,
2452         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2453         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2454         predicate.
2455         * config/vax/constraints.md: New file.
2456         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2457         New constraint.
2458         * config/vax/builtins.md: New file.
2459         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2460         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2461         jbbccisi): Define.
2462         * config/vax/vax.opt (mqmath): Add option.
2463         * config/vax/vax.md (isfx): Extend with DI.
2464         (VAXintQH, VAXintQHSD): Define.
2465         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2466         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2467         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2468         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2469         (movdi): Update constraints and use vax_output_int_move().
2470         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2471         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2472         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2473         nonlocal_goto): New.
2474         (mov<mode>): Extend accepted operand types.
2475         (subdi3_old): Rename from subdi3, change update constraints and use
2476         a new implementation.
2477         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2478         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2479         MOVE_RATIO, CLEAR_RATIO): Define.
2480         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2481         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2482         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2483         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2484         (split_quadword_operands): Make static and really allow variable
2485         splitting.
2486         (print_operand_address): Update for PIC generation.
2487         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2488         indexable_address_p, fixup_mathdi_operand,
2489         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2490         (vax_float_literal, legitimate_constant_p,
2491         indirectable_constant_address_p, index_term_p,
2492         reg_plus_index_p): Return bool instead of int.
2493         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2494         where needed.
2495         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2496         generation.
2497         (vax_output_conditional_branch): Indent.
2498         (legitimate_constant_address_p, indirectable_constant_address_p,
2499         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2500         vax_mode_dependent_address_p): Return bool instead of int, update for
2501         PIC generation.
2502         * config/vax/vax-protos.h (legitimate_constant_address_p,
2503         legitimate_constant_p, legitimate_address_p,
2504         vax_mode_dependent_address_p): Change declaration to bool.
2505         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2506         vax_expand_addsub_di_operands, vax_output_int_subtract,
2507         vax_output_movmemsi): Declare.
2508         (split_quadword_operands, vax_float_literal): Delete declaration.
2509         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2510         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2511         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2512         ASM_OUTPUT_DWARF_PCREL): Define.
2513         (ASM_SPEC): Change definition to allow PIC generation.
2515 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2517         * doc/sourcebuild.texi: Update front-end requirements.
2519 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2521         PR target/39226
2522         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2523         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2524         (booldi3_internal3): Use boolean_or_operator instead of
2525         boolean_operator.
2527 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2529         PR c/39605
2530         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2531         declarator whose size is not an integer constant expression but
2532         folds to an integer constant, then treat it as a constant
2533         subsequently.
2535 2009-04-01  Richard Guenther  <rguenther@suse.de>
2537         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2538         i * 4 + 2 to (i * 2 + 1) * 2.
2540 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2542         PR c/37772
2543         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2544         return if c_parser_asm_string_literal returned NULL.
2546 2009-04-01  Nick Clifton  <nickc@redhat.com>
2548         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2549         already defined.
2550         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2551         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2552         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2553         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2554         include it.
2555         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2556         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2557         then include it.
2559 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2561         * varasm.c (default_function_rodata_section): Declare DOT as
2562         const char*.
2564 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2565             Andrey Galkin <agalkin@hypercom.com>
2567         PR/39492
2568         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2569         Make object_name unique for each process.
2571 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2573         PR other/39591
2574         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2575         addressable variables in the parallel that could go out of scope while
2576         running queued tasks.
2578 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2580         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2581         (CASE_VALUES_THRESHOLD): Redefine.
2582         * config/avr/avr.c (avr_override_options): Remove initialization of
2583         avr_case_values_threshold variable.
2584         (avr_case_values_threshold): Remove variable. Add new function.
2585         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2586         * config/avr/avr.opt (mno-tablejump): Remove option.
2587         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2589 2009-04-01  DJ Delorie  <dj@redhat.com>
2591         * varasm.c (default_function_rodata_section): Don't assume
2592         anything about where the first '.' in the section name is.
2594 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2596         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2597         rs6000_emit_stack_tie.
2599 2009-03-31  Ian Lance Taylor  <iant@google.com>
2601         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2602         gimple_code with GIMPLE_RESX, not RESX.
2604 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2606         * c-common.c (c_get_ident): New.
2607         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2609 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2611         * config/rs6000/sysv4.opt (msdata): Improve option description.
2613 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2615         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2616         (divdf3_internal_lat): Remove.
2617         (divxf3_internal_lat): Remove.
2618         (divxf3_internal_thr): Remove.
2619         (divxf): Use divxf3_internal.
2620         * config/ia64/div.md (divsf3_internal_lat): New.
2621         (divdf3_internal_lat): New.
2622         (divxf3_internal): New.
2624 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2626         PR c/448
2627         * Makefile.in (USE_GCC_STDINT): Define.
2628         (stmp-int-hdrs): Install stdint.h if applicable.
2629         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2630         if known.
2631         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2632         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2633         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2634         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2635         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2636         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2637         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2638         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2639         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2640         (c_common_nodes_and_builtins): Initialize
2641         underlying_wchar_type_node.  Do not initialize
2642         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2643         nodes for new types.
2644         (c_stddef_cpp_builtins): Define macros for new types.
2645         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2646         Remove.
2647         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2648         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2649         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2650         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2651         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2652         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2653         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2654         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2655         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2656         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2657         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2658         int16_type_node, int32_type_node, int64_type_node,
2659         uint8_type_node, uint16_type_node, c_uint32_type_node,
2660         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2661         int_least32_type_node, int_least64_type_node,
2662         uint_least8_type_node, uint_least16_type_node,
2663         uint_least32_type_node, uint_least64_type_node,
2664         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2665         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2666         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2667         uintptr_type_node): Define.
2668         * c-cppbuiltin.c (builtin_define_constants,
2669         builtin_define_type_minmax): New.
2670         (builtin_define_stdint_macros): Define more macros.
2671         (c_cpp_builtins): Define more limit macros.
2672         (type_suffix): New.
2673         (builtin_define_type_max): Define in terms of
2674         builtin_define_type_minmax.  Remove is_long parameter.  All
2675         callers changed.
2676         * config.gcc (use_gcc_stdint): Define.
2677         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2678         Add newlib-stdint.h for generic targets.
2679         * config/glibc-stdint.h, config/newlib-stdint.h,
2680         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2681         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2682         * config/score/score.h (UINTPTR_TYPE): Define.
2683         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2684         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2685         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2686         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2687         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2688         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2689         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2690         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2691         * config/spu/spu.h (STDINT_LONG32): Define.
2692         * configure.ac (use_gcc_stdint): Substitute.
2693         * configure: Regenerate.
2694         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2695         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2696         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2697         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2698         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2699         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2700         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2701         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2702         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2703         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2704         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2705         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2706         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2707         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2708         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2709         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2710         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2711         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2712         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2713         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2714         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2715         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2716         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2717         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2718         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2719         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2720         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2721         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2722         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2724 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2726         * loop-iv.c (suitable_set_for_replacement): Renamed from
2727         simplify_using_assignment; changed to return bool and to accept new
2728         args DEST and SRC.  Return true iff we find a source/destination pair
2729         that can be used to make a replacement, and fill SRC and DEST if so.
2730         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2731         changed.
2732         (simplify_using_initial_values): Deal with altered regs here and track
2733         more precisely the effect they have on the validity of our expression.
2735         * loop-iv.c (simplify_using_condition): A condition of the form
2736         (EQ REG CONST) can be used to simply make a substitution.
2737         (simplify_using_initial_values): Keep track of conditions we have seen
2738         and keep using them to simplify new expressions, while applying the
2739         same substitutions to them as to the expression.
2741         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2742         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2743         GEU/LTU reversed.
2745         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
2746         changed.  Use this when trying to improve the upper bound.
2747         Generate the comparison by using simplify_gen_relational.
2749         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2751         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2752         functions.
2753         (simplify_using_assignment, simplify_using_initial_values): Call 
2754         replace_in_expr to make replacements.  Call replace_single_def_regs
2755         once on the initial version of the expression.
2757 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2759         PR target/27237
2760         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2761         
2762 2009-03-31  Richard Guenther  <rguenther@suse.de>
2764         PR middle-end/31029
2765         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2766         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
2768 2009-03-31  Richard Guenther  <rguenther@suse.de>
2770         * tree.h (div_if_zero_remainder): Declare.
2771         * fold-const.c (div_if_zero_remainder): Export.
2772         * tree-ssa-forwprop.c
2773         (forward_propagate_addr_into_variable_array_index): Handle
2774         constant array index addition outside of the variable index.
2776 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2778         PR target/39592
2779         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2780         define_splits, floatunssi<mode>2): Require x87 conversions from
2781         DImode to be permitted.
2783 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2785         PR preprocessor/15638
2786         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2788 2009-03-31  Richard Guenther  <rguenther@suse.de>
2790         PR middle-end/23401
2791         PR middle-end/27810
2792         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2793         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2794         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2795         a separate statement.
2796         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2797         (lookup_tmp_var): Likewise.
2798         (is_gimple_formal_tmp_or_call_rhs): Remove.
2799         (is_gimple_reg_or_call_rhs): Rename to ...
2800         (is_gimple_reg_rhs_or_call): ... this.
2801         (is_gimple_mem_or_call_rhs): Rename to ...
2802         (is_gimple_mem_rhs_or_call): ... this.
2803         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
2804         DECL_GIMPLE_REG_P only if is_formal is true.
2805         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
2806         for non-proper post-modify expression gimplification.
2807         (gimplify_self_mod_expr): For post-modify expressions gimplify
2808         the lvalue to a minimal lvalue.
2809         (rhs_predicate_for): Remove formal temp case.
2810         (gimplify_modify_expr_rhs): Likewise.
2811         (gimplify_addr_expr): Use is_gimple_reg.
2812         (gimplify_expr): Remove formal temp cases.
2813         (gimple_regimplify_operands): Likewise.
2814         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2815         and FILTER_EXPR like constants.
2816         * gimple.c (walk_gimple_op): Fix val_only initialization, use
2817         is_gimple_reg.
2818         (is_gimple_formal_tmp_rhs): Remove.
2819         (is_gimple_reg_rhs): Remove special casing.
2820         (is_gimple_mem_rhs): Fix.
2821         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2822         (is_gimple_formal_tmp_var): Remove.
2823         (is_gimple_formal_tmp_reg): Likewise.
2824         (is_gimple_min_lval): Allow invariant component ref parts.
2825         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2826         is_gimple_formal_tmp_reg): Remove declarations.
2827         * tree-cfg.c (verify_expr): Verify that variables with address
2828         taken do not have DECL_GIMPLE_REG_P set.
2829         * tree-mudflap.c (mf_build_check_statement_for): Use
2830         force_gimple_operand instead of gimplify_expr.
2832 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
2834         * modulo-sched.c (sms_schedule_by_order): Pass the actual
2835         schedulable rows to compute_split_row.
2837 2009-03-31  Ben Elliston  <bje@au.ibm.com>
2839         PR target/31635
2840         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2841         OPT_mvrsave.
2843 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2845         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2846         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2847         * configure: Regenerate.
2848         * config.in: Regenerate.
2849         * config/rs6000/rs6000.opt (mtls-markers): Add.
2850         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2851         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2852         (tls_ld_aix, tls_ld_sysv): Likewise.
2853         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2854         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2856 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2858         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2860 2009-03-30  Jan Hubicka  <jh@suse.cz>
2862         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2863         out of RESX.
2864         (tree_remove_unreachable_handlers): Cleanup EH predecestor
2865         detection and label handling.
2867 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2869         * ira-int.h (ira_allocno): Rename left_conflicts_num to
2870         left_conflicts_size.
2871         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2872         ALLOCNO_LEFT_CONFLICTS_SIZE.
2874         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2875         remove_allocno_from_bucket_and_push,
2876         allocno_spill_priority_compare, push_allocnos_to_stack,
2877         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2878         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2879         (setup_allocno_left_conflicts_num): Ditto.  Rename to
2880         setup_allocno_left_conflicts_size.
2881         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2882         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2883         setup_allocno_left_conflicts_size instead of
2884         setup_allocno_left_conflicts_num.
2886         * ira-build.c (ira_create_allocno): Use
2887         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2888         ALLOCNO_LEFT_CONFLICTS_NUM.
2889                 
2890 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2892         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2893         instead of DF_LR_OUT.
2895         * ira-lives.c (process_bb_node_lives): Ditto.
2897         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2898         instead of DF_LR_{OUT,IN}.
2900         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2902         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2904 2009-03-30  Jan Hubicka  <jh@suse.cz>
2906         * except.c (label_to_region_map): Fix thinko.
2908 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
2910         PR middle-end/38237
2911         * tree.h (tree_find_value): New declaration.
2912         * tree.c (tree_find_value): New function.
2913         * varasm.c (assemble_external): Avoid duplicate entries on lists.
2915 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
2917         PR debug/39563
2918         * c-decl.c (struct c_binding): Add locus field.
2919         (bind): Add locus argument, set locus field from it.
2920         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2921         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2922         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2923         implicitly_declare, undeclared_variable, lookup_label,
2924         declare_label, c_make_fname_decl, c_builtin_function,
2925         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2926         bind callers.
2928 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
2930         PR target/38781
2931         * config/i386/i386.c (classify_argument): Check total size of
2932         structure.
2934 2009-03-30  Martin Jambor  <mjambor@suse.cz>
2936         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2937         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2938         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2939         respectively.
2941         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2942         seen_variable_array_ref while also traversing a union.
2944         * tree-inline.c (optimize_inline_calls): Do not call
2945         cgraph_node_remove_callees.
2946         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2947         (pass_remove_cgraph_callee_edges): New variable.
2948         * passes.c (init_optimization_passes): Add
2949         pass_remove_cgraph_callee_edges after early inlining and before all
2950         late intraprocedural passes.
2952         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2954 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2956         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2957         Fix typos in names.
2959 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2961         * combine.c (simplify_comparison): Use have_insn_for.
2962         * dojump.c (do_jump): Likewise.
2964 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2966         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2967         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2968         sparc_compare_op0 like sparc_compare_emitted used to be handled.
2969         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2970         instead of sparc_compare_emitted.
2971         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2972         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2973         instead of sparc_compare_emitted.
2975 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2977         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2978         enter/exit cfglayout mode.
2979         (pass_partition_block): Require it.
2980         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2981         (combine_instructions): Track basic blocks instead of labels.
2982         (update_cfg_for_uncondjump): New.
2983         (try_combine): Use it.  Update jumps after rescanning.
2984         (pass_combine): Require PROP_cfglayout.
2985         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2987 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2989         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2990         Provide/destroy PROP_cfglayout respectively.
2991         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2992         * tree-pass.h (PROP_cfglayout): New.
2994 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2996         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2997         fold_convert_const_fixed_from_fixed,
2998         fold_convert_const_fixed_from_int,
2999         fold_convert_const_fixed_from_real, fold_negate_const): Do not
3000         set TREE_CONSTANT_OVERFLOW.
3001         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
3002         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
3004 2009-03-30  Ira Rosen  <irar@il.ibm.com>
3006         * tree-vect-loop-manip.c: New file.
3007         * tree-vectorizer.c: Update documentation and included files.
3008         (vect_loop_location): Make extern.
3009         (rename_use_op): Move to tree-vect-loop-manip.c
3010         (rename_variables_in_bb, rename_variables_in_loop, 
3011         slpeel_update_phis_for_duplicate_loop, 
3012         slpeel_update_phi_nodes_for_guard1,
3013         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
3014         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3015         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3016         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
3017         find_loop_location): Likewise.
3018         (new_stmt_vec_info): Move to tree-vect-stmts.c.
3019         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3020         get_vectype_for_scalar_type, vect_is_simple_use,
3021         supportable_widening_operation, supportable_narrowing_operation):
3022         Likewise.
3023         (bb_in_loop_p): Move to tree-vect-loop.c.
3024         (new_loop_vec_info, destroy_loop_vec_info, 
3025         reduction_code_for_scalar_code, report_vect_op, 
3026         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3027         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3028         (vect_supportable_dr_alignment): Likewise.
3029         * tree-vectorizer.h (tree-data-ref.h): Include.
3030         (vect_loop_location): Declare.
3031         Reorganize function declarations according to the new file structure.
3032         * tree-vect-loop.c: New file.
3033         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
3034         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3035         * tree-vect-data-refs.c: New file.
3036         * tree-vect-patterns.c (timevar.h): Don't include.
3037         * tree-vect-stmts.c: New file.
3038         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
3039         tree-vect-slp.c, tree-vect-loop.c.
3040         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
3041         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
3042         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3043         (tree-vect-analyze.o): Remove.
3044         (tree-vect-transform.o): Likewise.
3045         (tree-vect-data-refs.o): Add rule.
3046         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
3047         tree-vect-slp.o): Likewise.
3048         (tree-vect-patterns.o): Remove redundant dependencies.
3049         (tree-vectorizer.o): Likewise.
3050         * tree-vect-slp.c: New file.
3052 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3054         * optc-gen.awk: Warn if an option flag has multiple different
3055         help strings.
3057 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3059         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3060         -floop-block): Document dependences on PPL, CLooG and Graphite.
3062 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3064         PR rtl-optimization/323
3065         * c-common.c (c_fully_fold, convert_and_check,
3066         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3067         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3068         * c-common.def (EXCESS_PRECISION_EXPR): New.
3069         * c-cppbuiltin.c (builtin_define_float_constants): Define
3070         constants with enough digits for long double.
3071         * c-lex.c (interpret_float): Interpret constant with excess
3072         precision where appropriate.
3073         * c-opts.c (c_common_post_options): Set
3074         flag_excess_precision_cmdline.  Give an error for
3075         -fexcess-precision=standard for C++ for processors where the
3076         option is significant.
3077         * c-parser.c (c_parser_conditional_expression): Handle excess
3078         precision in condition.
3079         * c-typeck.c (convert_arguments): Handle arguments with excess
3080         precision.
3081         (build_unary_op): Move excess precision outside operation.
3082         (build_conditional_expr): Likewise.
3083         (build_compound_expr): Likewise.
3084         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3085         (build_modify_expr): Handle excess precision in RHS.
3086         (convert_for_assignment): Handle excess precision in converted
3087         value.
3088         (digest_init, output_init_element, process_init_element): Handle
3089         excess precision in initializer.
3090         (c_finish_return): Handle excess precision in return value.
3091         (build_binary_op): Handle excess precision in operands and add
3092         excess precision as needed for operation.
3093         * common.opt (-fexcess-precision=): New option.
3094         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3095         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3096         For standard excess precision, output explicit conversion to and
3097         truncation from XFmode.
3098         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3099         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3100         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3101         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3102         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3103         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3104         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3105         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3106         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3107         define_splits, sqrt<mode>2): Disable where appropriate for
3108         standard excess precision.
3109         * convert.c (convert_to_real): Do not shorten arithmetic to type
3110         for which excess precision would be used.
3111         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3112         * doc/invoke.texi (-fexcess-precision=): Document option.
3113         (-mfpmath=): Correct index entry.
3114         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3115         flag_excess_precision): New.
3116         * langhooks.c (lhd_post_options): Set
3117         flag_excess_precision_cmdline.
3118         * opts.c (common_handle_option): Handle -fexcess-precision=.
3119         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3120         init_excess_precision): New.
3121         (lang_dependent_init_target): Call init_excess_precision.
3122         * tree.c (excess_precision_type): New.
3123         * tree.h (excess_precision_type): Declare.
3125 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3127         PR c/35235
3128         * c-typeck.c (build_component_ref): Do not copy qualifiers from
3129         non-lvalue to component.
3131 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3133         PR preprocessor/34695
3134         * Makefile.in (c-opts.o): Depend on c-tree.h.
3135         * c-common.c: Move down include of diagnostic.h.
3136         (done_lexing, c_cpp_error): New.
3137         * c-common.h (done_lexing): Declare.
3138         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3139         (parse_in).
3140         * c-opts.c: Include c-tree.h.
3141         (c_common_init_options): Set preprocessor error callback.
3142         (c_common_handle_option): Do not set preprocessor
3143         inhibit_warnings, warnings_are_errors, warn_system_headers,
3144         pedantic_errors or inhibit_warnings flags.
3145         (c_common_post_options): Do not check cpp_errors (parse_in).
3146         (c_common_finish): Do not output dependencies if there were
3147         errors.  Do not check return value of cpp_finish.
3148         * c-ppoutput.c (pp_file_change): Set input_location.
3149         * c-tree.h (c_cpp_error): Declare.
3150         * diagnostic.c (diagnostic_set_info_translated): Also initialize
3151         override_column.
3152         (diagnostic_build_prefix): Check override_column.
3153         * diagnostic.h (diagnostic_info): Add override_column field.
3154         (diagnostic_override_column): Define.
3156 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
3158         * c-common.c (c_expand_expr, c_staticp): Remove.
3159         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3160         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3161         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3162         * c-gimplify.c (gimplify_compound_literal_expr,
3163         optimize_compound_literals_in_ctor): Remove.
3164         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3165         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3166         * c-semantics.c (emit_local_var): Remove.
3168         * langhooks-def.h (lhd_expand_expr): Remove.
3169         * langhooks.c (lhd_expand_expr): Remove.
3170         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3172         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3173         handling from c-semantics.c; don't call into langhook.
3174         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3175         * gimplify.c (gimplify_compound_literal_expr,
3176         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3177         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3178         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3179         as was done in c-gimplify.c.
3180         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3181         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3182         Move from c-common.h.
3183         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3185         * tree.c (staticp): Do not call langhook.
3186         * langhooks.c (lhd_staticp): Delete.
3187         * langhooks-def.h (lhd_staticp): Delete prototype.
3188         (LANG_HOOKS_STATICP): Delete.
3189         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3191         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3192         instead of DECL_STMTs.
3194 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3196         PR c/456
3197         PR c/5675
3198         PR c/19976
3199         PR c/29116
3200         PR c/31871
3201         PR c/35198
3202         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3203         void_type_node.
3204         (fold_call_expr): Return a NOP_EXPR from folding rather than the
3205         contained expression.
3206         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3207         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
3208         conditional expressions for C.
3209         (decl_constant_value_for_optimization): Move from
3210         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
3211         whether optimizing and that the expression is a VAR_DECL not of
3212         array type instead of doing such checks in the caller.  Do not
3213         check pedantic.  Call gcc_unreachable for C++.
3214         * c-common.def (C_MAYBE_CONST_EXPR): New.
3215         * c-common.h (c_fully_fold, c_save_expr,
3216         decl_constant_value_for_optimization): New prototypes.
3217         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3218         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3219         EXPR_INT_CONST_OPERANDS): Define.
3220         * c-convert.c (convert): Strip nops from expression.
3221         * c-decl.c (groktypename): Take extra parameters expr and
3222         expr_const_operands.  Update call to grokdeclarator.
3223         (start_decl): Update call to grokdeclarator.  Add statement for
3224         expressions used in type of decl.
3225         (grokparm): Update call to grokdeclarator.
3226         (push_parm_decl): Update call to grokdeclarator.
3227         (build_compound_literal): Add parameter non_const and build a
3228         C_MAYBE_COSNT_EXPR if applicable.
3229         (grokdeclarator): Take extra parameters expr and
3230         expr_const_operands.  Track expressions used in declaration
3231         specifiers and declarators.  Fold array sizes and track whether
3232         they are constant expressions and whether they are integer
3233         constant expressions.
3234         (parser_xref_tag): Set expr and expr_const_operands fields in
3235         return value.
3236         (grokfield): Update call to grokdeclarator.
3237         (start_function): Update call to grokdeclarator.
3238         (build_null_declspecs): Set expr and expr_const_operands fields in
3239         return value.
3240         (declspecs_add_type): Handle expressions in typeof specifiers.
3241         * c-parser.c (c_parser_declspecs): Set expr and
3242         expr_const_operands fields for declaration specifiers.
3243         (c_parser_enum_specifier): Likewise.
3244         (c_parser_struct_or_union_specifier): Likewise.
3245         (c_parser_typeof_specifier): Likewise.  Update call to
3246         groktypename.  Fold expression as needed.  Return expressions with
3247         type instead of adding statements.
3248         (c_parser_attributes): Update calls to c_parser_expr_list.
3249         (c_parser_statement_after_labels): Fold expression before passing
3250         to objc_build_throw_stmt.
3251         (c_parser_condition): Fold expression.
3252         (c_parser_asm_operands): Fold expression.
3253         (c_parser_conditional_expression): Use c_save_expr.  Update call
3254         to build_conditional_expr.
3255         (c_parser_alignof_expression): Update call to groktypename.
3256         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3257         original_code.  Fold expression argument of va_arg.  Create
3258         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3259         argument to va_arg.  Update calls to groktypename.  Fold array
3260         index for offsetof.  Verify that first argument to
3261         __builtin_choose_expr has integer type.
3262         (c_parser_postfix_expression_after_paren_type): Update calls to
3263         groktypename and build_compound_literal.  Handle expressions with
3264         side effects in type name.
3265         (c_parser_postfix_expression_after_primary): Update call to
3266         c_parser_expr_list.  Set original_code for calls to
3267         __builtin_constant_p.
3268         (c_parser_expr_list): Take extra parameter fold_p.  Fold
3269         expressions if requested.
3270         (c_parser_objc_type_name): Update call to groktypename.
3271         (c_parser_objc_synchronized_statement): Fold expression.
3272         (c_parser_objc_receiver): Fold expression.
3273         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3274         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3275         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3276         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3277         (struct c_typespec): Add elements expr and expr_const_operands.
3278         (struct c_declspecs): Add elements expr and expr_const_operands.
3279         (groktypename, build_conditional_expr, build_compound_literal):
3280         Update prototypes.
3281         (in_late_binary_op): Declare.
3282         * c-typeck.c (note_integer_operands): New function.
3283         (in_late_binary_op): New variable.
3284         (decl_constant_value_for_broken_optimization): Move to c-common.c
3285         and rename to decl_constant_value_for_optimization.
3286         (default_function_array_conversion): Do not strip nops.
3287         (default_conversion): Do not call
3288         decl_constant_value_for_broken_optimization.
3289         (build_array_ref): Do not fold result.
3290         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
3291         result when operand is a VLA.
3292         (c_expr_sizeof_type): Update call to groktypename.  Handle
3293         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
3294         result when operand names a VLA type.
3295         (build_function_call): Update call to build_compound_literal.
3296         Only fold result for calls to __builtin_* functions.  Strip
3297         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
3298         the function designator.
3299         (convert_arguments): Fold arguments.  Update call to
3300         convert_for_assignment.
3301         (build_unary_op): Handle increment and decrement of
3302         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
3303         decrement earlier.  Fold operand of increment and decrement.
3304         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
3305         built for integer operand.  Wrap returns that are INTEGER_CSTs
3306         without being integer constant expressions or that have integer
3307         constant operands without being INTEGER_CSTs.
3308         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3309         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
3310         result is an integer constant expression or can be used in
3311         unevaluated parts of one and avoid folding and wrap as
3312         appropriate.  Fold operands before possibly doing -Wsign-compare
3313         warnings.
3314         (build_compound_expr): Wrap result for C99 if operands can be used
3315         in integer constant expressions.
3316         (build_c_cast): Update call to digest_init.  Do not ignore
3317         overflow from casting floating-point constants to integers.  Wrap
3318         results that could be confused with integer constant expressions,
3319         null pointer constants or floating-point constants.
3320         (c_cast_expr): Update call to groktypename.  Handle expressions
3321         included in type name.
3322         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
3323         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
3324         Update calls to convert_for_assignment.
3325         (convert_for_assignment): Take new parameter
3326         null_pointer_constant.  Do not strip nops or call
3327         decl_constant_value_for_broken_optimization.  Set
3328         in_late_binary_op for conversions to boolean.
3329         (store_init_value): Update call to digest_init.
3330         (digest_init): Take new parameter null_pointer_constant.  Do not
3331         call decl_constant_value_for_broken_optimization.  pedwarn for
3332         initializers not constant expressions.  Update calls to
3333         convert_for_assignment.
3334         (constructor_nonconst): New.
3335         (struct constructor_stack): Add nonconst element.
3336         (really_start_incremental_init, push_init_level, pop_init_level):
3337         Handle constructor_nonconst and nonconst element.
3338         (set_init_index): Call constant_expression_warning for array
3339         designators.
3340         (output_init_element): Fold value.  Set constructor_nonconst as
3341         applicable.  pedwarn for initializers not constant expressions.
3342         Update call to digest_init.  Call constant_expression_warning
3343         where constant initializers are required.
3344         (process_init_element): Use c_save_expr.
3345         (c_finish_goto_ptr): Fold expression.
3346         (c_finish_return): Fold return value.  Update call to
3347         convert_for_assignment.
3348         (c_start_case): Fold switch expression.
3349         (c_process_expr_stmt): Fold expression.
3350         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3351         ensure statement expression is not evaluated in constant expression.
3352         (build_binary_op): Track whether results are integer constant
3353         expressions or may occur in such, disable folding and wrap results
3354         as applicable.  Fold operands for -Wsign-compare warnings unless
3355         in_late_binary_op.
3356         (c_objc_common_truthvalue_conversion): Handle results folded to
3357         integer constants that are not integer constant expressions.
3358         * doc/extend.texi: Document when typeof operands are evaluated,
3359         that condition of __builtin_choose_expr is an integer constant
3360         expression, and more about use of __builtin_constant_p in
3361         initializers.
3363 2009-03-29  Richard Guenther  <rguenther@suse.de>
3365         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3366         propagate addresses of array references.
3368 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3370         * regmove.c (perhaps_ends_bb_p): Remove.
3371         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
3372         from INSN and check that the main loop stays within that basic block.
3373         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3374         (regmove_forward_pass): Split out from regmove_optimize.  Use
3375         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3376         (regmove_backward_pass): Split out from regmove_optimize.  Use
3377         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3378         (regmove_optimize): Simplify.
3380 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3382         PR target/39545
3383         * config/i386/i386.c (classify_argument): Ignore flexible array
3384         member in struct and warn ABI change.
3386 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3388         * config/i386/i386-protos.h (ix86_agi_dependent): New.
3390         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3391         (ix86_adjust_cost): Updated.
3393 2009-03-29  Jan Hubicka  <jh@suse.cz>
3395         PR middle-end/28850
3396         * tree-pass.h (pass_cleanup_eh): New function.
3397         (remove_unreachable_regions): Break code handling RTL
3398         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3399         that can not be reached by runtime.
3400         (can_be_reached_by_runtime): New function.
3401         (label_to_region_map): New function.
3402         (num_eh_regions): New function.
3403         (rtl_remove_unreachable_regions): New function.
3404         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3405         (remove_eh_region): New function.
3406         * except.h: Include sbitmap and vecprim.
3407         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3408         num_eh_regions): Declare.
3409         * passes.c (init_optimization_passes): Schedule cleanup_eh.
3410         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3411         * tree-eh.c (tree_remove_unreachable_handlers): New function.
3412         (tree_empty_eh_handler_p): New function.
3413         (cleanup_empty_eh): New function.
3414         (cleanup_eh): New function.
3415         (pass_cleanup_eh): New function.
3417 2009-03-29  Jan Hubicka  <jh@suse.cz>
3419         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3420         for removed regions.
3422 2009-03-29  Jan Hubicka  <jh@suse.cz>
3424         * except.c (dump_eh_tree): Dump all datastructures.
3426 2009-03-29  Jan Hubicka  <jh@suse.cz>
3428         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3429         (duplicate_eh_regions_1): Likewise.
3430         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3431         vector; call EH verification.
3432         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3433         Be ready for region being removed.
3435 2009-03-29  Jan Hubicka  <jh@suse.cz>
3437         * bitmap.c (bitmap_last_set_bit): New function.
3438         * bitmap.h (bitmap_last_set_bit): Declare.
3440 2009-03-29  David Ayers  <ayers@fsfe.org>
3442         PR objc/27377
3443         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3444         by calling objc_compare_types and surpress warnings about
3445         incompatible C pointers that are compatible ObjC pointers.
3446         
3447 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
3449         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3450         call initialize_inline_failed.
3451         (initialize_inline_failed): Move it from here ...
3452         * cgraph.c (initialize_inline_failed): ... to here.
3453         (cgraph_create_edge): Call initialize_inline_failed rather than
3454         setting inline_failed directly.
3456 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3458         PR target/32542
3459         * sysv4.opt (msdata): Improve comment.
3460         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3461         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3463 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3465         PR target/30451
3466         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3467         load and store attributes.
3469 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3471         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3472         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3473         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3474         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3475         __builtin_infq and __builtin_huge_valq.
3477 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3479         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3480         atmega8m1 devices.
3481         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3482         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3484 2009-03-28  Xinliang David Li  <davidxl@google.com>
3486         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
3487         (do_dbg_cnt): New function.
3489 2009-03-28  Jan Hubicka  <jh@suse.cz>
3491         Merge from pretty-ipa:
3493         2009-03-27  Jan Hubicka  <jh@suse.cz>
3495         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3496         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3497         * passes.c (function_called_by_processed_nodes_p): New.
3498         * ipa-pure-const.c (check_call): Fix handling of operands.
3499         (analyze_function): Dump debug output for skipped bodies.
3500         (local_pure_const): Use function_called_by_processed_nodes_p.
3501         * dwarf2out.c (reference_to_unused): Use output.
3502         * passes.c (do_per_function_toporder): Likewise.
3504         2008-11-12  Jan Hubicka  <jh@suse.cz>
3506         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3507         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3508         state_set_in_source enum
3509         (check_decl): Ignore memory tags; do not set fake looping flags;
3510         dump diagnostics.
3511         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3512         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3513         (check_call, analyze_function): Rewrite.
3514         (check_stmt): New.
3515         (add_new_function): Update call of analyze_function.
3516         (generate_summary): Add call of analyze_function.
3517         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3518         (local_pure_const): New function.
3519         (pass_local_pure_const): New pass.
3520         * ipa-inline.c (inline_transform): Set after_inlining.
3521         * tree-eh.c (stmt_can_throw_external): New.
3522         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3523         work with aliasing built.
3524         * tree-flow.h (stmt_can_throw_external): New.
3525         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3526         and local pure/const pass in early and late optimization queue.
3528 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3530         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3531         allow_func_align.
3532         (fold_binary): Allow function decl aligment consideration is the
3533         second argument is integer constant one.
3534         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3535         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3536         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3538 2009-03-28  Jan Hubicka  <jh@suse.cz>
3540         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3541         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3542         * function.h (rtl_data): Add nothrow flag.
3543         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3544         set DECL_NOTHROW for AVAILABLE functions.
3546 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3548         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3549         following vector keyword has expansion starting with pixel or bool
3550         keyword, expand vector to __vector and pixel or bool to __pixel or
3551         __bool.
3553         PR c++/39554
3554         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3555         warn_if_disallowed_function_p): Removed.
3556         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3557         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3558         warning_if_disallowed_function_p.
3559         * flags.h (warn_if_disallowed_function_p,
3560         warn_disallowed_functions): Removed.
3561         * common.opt (Wdisallowed-function-list=): Removed.
3562         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3564 2009-03-28  Richard Guenther  <rguenther@suse.de>
3566         PR tree-optimization/38723
3567         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3568         the entry block.
3570 2009-03-28  Jan Hubicka  <jh@suse.cz>
3572         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3573         test introduced by my previous patch.
3575 2009-03-28  Richard Guenther  <rguenther@suse.de>
3577         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3578         the PHIs value undefined.
3580 2009-03-28  Jan Hubicka  <jh@suse.cz>
3582         * tree-pass.h (pass_fixup_cfg): New pass.
3583         * ipa-inline.c (inline_transform): Set
3584         always_inline_functions_inlined/after_inlining.
3585         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3586         (pass_fixup_cfg): New pass.
3587         * passes.c (init_optimization_passes): Add fixup_cfg.
3589 2009-03-28  Richard Guenther  <rguenther@suse.de>
3591         PR tree-optimization/38458
3592         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3593         argument use the arguments copy-of value.
3595 2009-03-28  Richard Guenther  <rguenther@suse.de>
3597         PR tree-optimization/38180
3598         * tree-ssa-ccp.c (get_default_value): Simplify.
3599         (likely_value): Likewise.
3600         (surely_varying_stmt_p): Properly handle VOP case.
3601         (ccp_initialize): Likewise.
3602         (ccp_fold): Handle propagating through *&.
3603         (fold_const_aggregate_ref): Also handle decls.
3605 2009-03-28  Jan Hubicka  <jh@suse.cz>
3607         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3608         * cgraph.h (cgraph_node): Likewise.
3609         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3610         (cgraph_reset_node): Use process flag.
3611         (cgraph_mark_functions_to_output): Likewise.
3612         (cgraph_expand_function): Likewise.
3613         (cgraph_expand_all_functions): Likewise.
3614         (cgraph_output_in_order): Likewise.
3615         * dwarf2out.c (reference_to_unused): Likewise.
3616         * passes.c do_per_function_toporder): Likewise.
3618 2009-03-28  Jan Hubicka  <jh@suse.cz>
3620         Bring from lto-branch:
3622         2008-09-03  Doug Kwan  <dougkwan@google.com>
3624         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3625         enums instead of reason strings.
3626         * cgraph.c (cgraph_create_edge): Same.
3627         (cgraph_inline_failed_string): New function.
3628         * cgraph.h (cgraph_inline_failed_t): New enum type.
3629         (cgraph_inline_failed_string): New prototype.
3630         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3631         char pointer to cgraph_inline_failed_t.
3632         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3633         (cgraph_default_inline_p): Ditto.
3634         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3635         to cgraph_inline_failed_t pointer.
3636         * cif-code.def: New file.
3637         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3638         reason string.
3639         (cgraph_check_inline_limits): Change type of REASON to pointer to
3640         cgraph_inline_failed_t.  Replace reason strings with enums.
3641         (cgraph_default_inline_p): Ditto.
3642         (cgraph_recursive_inlining_p): Ditto.
3643         (update_caller_keys): Change type of FAILED_REASON to
3644         cgraph_inline_failed_t.
3645         (cgraph_set_inline_failed): Change type of REASON to pointer to
3646         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3647         convert enums to strings for text output.
3648         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3649         to be of type cgraph_inline_failed_t.  Replace reason strings with
3650         enums.  Call cgraph_inline_failed_string to covert enums
3651         to strings for text output.
3652         (cgraph_decide_inlining): Replace reason strings with enums.
3653         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3654         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3655         for text output.
3656         * tree-inline.c (expand_call_inline): Change type of REASON
3657         to cgraph_inline_failed_t.  Replace reason strings with enums.
3658         Call cgraph_inline_failed_string for text output.
3659         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3660         (cgraph.o): Ditto.
3662 2009-03-28  Jan Hubicka  <jh@suse.cz>
3664         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3665         cgraph_clone_node): Remove master clone handling.
3666         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3667         * cgraph.h (master_clone): Remove.
3668         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3669         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3670         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3672 2009-03-28  Jan Hubicka  <jh@suse.cz>
3674         * cgraph.c (cgraph_function_body_availability): Functions declared
3675         inline are always safe to assume that it is not going to be replaced.
3677 2009-03-28  Richard Guenther  <rguenther@suse.de>
3679         PR tree-optimization/38513
3680         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3681         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3682         EXC_PTR_EXPR and FILTER_EXPR.
3683         (get_ref_from_reference_ops): Likewise.
3685 2009-03-28  Richard Guenther  <rguenther@suse.de>
3687         PR tree-optimization/38968
3688         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3689         Use FLOOR_MOD_EXPR to compute misalignment.
3691 2009-03-28  Richard Guenther  <rguenther@suse.de>
3693         PR tree-optimization/37795
3694         * tree.h (combine_comparisons): Declare.
3695         * fold-const.c (combine_comparisons): Export.
3696         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3697         comparisons.
3698         (ifcombine_iforif): Use combine_comparisons.
3700 2009-03-28  Jan Hubicka  <jh@suse.cz>
3702         * tree-eh.c (inlinable_call_p): New function.
3703         (make_eh_edges): Use it.
3704         (verify_eh_edges): Use it.
3705         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3706         * except.c (reachable_next_level): Add inlinable_function argument
3707         (sjlj_find_directly_reachable_regions): Update.
3708         (add_reachable_handler): Do not set saw_any_handlers.
3709         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3710         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3711         Add new inlinable call parameter.
3712         (can_throw_internal, can_throw_external): Update.
3713         * except.h (can_throw_internal_1, can_throw_external_1,
3714         foreach_reachable_handler): Update declaration.
3716 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3718         * config/arm/t-arm-coff, config/h8300/coff.h,
3719         config/i386/i386-aout.h, config/i386/i386-coff.h,
3720         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3721         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3722         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3723         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3724         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3725         sys-types.h: Remove.
3726         * Makefile.in: Remove protoize and fixproto support and references
3727         in comments.
3728         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3729         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3730         Remove.
3731         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3732         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3733         unprotoize$(exeext).
3734         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3735         (.PHONY): Don't depend on proto.
3736         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3737         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3738         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3739         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3740         build/gen-protos.o, build/scan.o, xsys-protos.h,
3741         build/fix-header$(build_exeext), build/fix-header.o,
3742         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3743         stmp-install-fixproto): Remove.
3744         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3745         SYSCALLS.c or fixproto files.
3746         (install-common): Don't install protoize.
3747         (install-headers-tar, install-headers-cpio, install-headers-cp):
3748         Don't depend on $(STMP_FIXPROTO).
3749         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
3750         install fixproto files or write out fixproto settings.
3751         (uninstall): Don't uninstall protoize.
3752         * config.gcc (use_fixproto): Remove.
3753         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3754         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3755         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3756         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3757         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3758         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3759         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3760         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3761         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3762         * config/t-vxworks (STMP_FIXPROTO): Remove.
3763         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3764         STMP_FIXPROTO): Remove.
3765         * config.in, configure: Regenerate.
3766         * crtstuff.c (gid_t, uid_t): Don't undefine.
3767         * doc/install.texi: Change m68k-coff to m68k-elf in example.
3768         (arm-*-coff, arm-*-aout: Remove target entries.
3769         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3770         Remove mention of AIX 4.1.
3771         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3772         * doc/invoke.texi (Running Protoize): Remove.
3773         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3774         (Protoize Caveats): Remove.
3775         * tsystem.h: Update comments on headers assumed to exist.
3777 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
3779         * genautomata.c: Add a new year to the copyright.  Add a new
3780         reference.
3781         (struct insn_reserv_decl): Add comments for member bypass_list.
3782         (find_bypass): Remove.
3783         (insert_bypass): New.
3784         (process_decls): Use insert_bypass.
3785         (output_internal_insn_latency_func): Output all bypasses with the
3786         same input insn in one switch case.
3788         * rtl.def (define_bypass): Describe bypass choice.
3789         * doc/md.texi (define_bypass): Ditto.
3791 2009-03-27  Richard Guenther  <rguenther@suse.de>
3793         * gimplify.c (mark_addressable): Export.
3794         * tree-flow.h (mark_addressable): Declare.
3795         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3796         * tree-ssa.c (verify_phi_args): Verify that address taken
3797         variables have TREE_ADDRESSABLE set.
3799 2009-03-27  Richard Guenther  <rguenther@suse.de>
3801         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3802         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
3803         Do not mark decls TREE_ADDRESSABLE.
3804         (build_fold_addr_expr): Adjust.
3805         (fold_addr_expr): Remove.
3806         (fold_unary): Use build_fold_addr_expr.
3807         (fold_comparison): Likewise.
3808         (split_address_to_core_and_offset): Likewise.
3809         * coverage.c (tree_coverage_counter_addr): Mark the array decl
3810         TREE_ADDRESSABLE.
3811         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3812         (gimplify_modify_expr_to_memcpy): Mark source and destination
3813         addressable.
3814         * omp-low.c (create_omp_child_function): Mark the object decl
3815         TREE_ADDRESSABLE.
3816         (lower_rec_input_clauses): Mark the var we take the address of
3817         TREE_ADDRESSABLE.
3818         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3820 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3822         PR middle-end/39315
3823         * cfgexpand.c (expand_one_stack_var_at): Change alignment
3824         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3826 2009-03-27  Richard Guenther  <rguenther@suse.de>
3828         PR tree-optimization/39120
3829         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3830         constraints.
3831         (handle_lhs_call): Process return constraints.  Add escape
3832         constraints if necessary.
3833         (handle_const_call): Fill out return constraints.  Make nested
3834         case more precise.  Avoid consttmp if possible.
3835         (handle_pure_call): Fill out return constraints.  Avoid
3836         callused if possible.
3837         (find_func_aliases): Simplify call handling.
3839 2009-03-27  Richard Guenther  <rguenther@suse.de>
3841         PR tree-optimization/39120
3842         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3843         as a representative.
3844         (solve_graph): Do propagate CALLUSED.
3845         (handle_pure_call): Use a scalar constraint from CALLUSED for
3846         the return value.
3847         (find_what_p_points_to): CALLUSED shall not appear in poins-to
3848         solutions.
3850 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3852         PR c/39323
3853         * c-common.c (handle_aligned_attribute): Properly check alignment
3854         overflow.  Use (1U << i) instead of (1 << i).
3856         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3858         * expr.h (get_mem_align_offset): Updated.
3860         * tree.h (tree_decl_common): Change align to "unsigned int" and
3861         move it before pointer_alias_set.
3863 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3864             Jakub Jelinek  <jakub@redhat.com>
3866         PR target/38034
3867         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3868         gr_register_operand with gr_reg_or_0_operand.
3869         (cmpxchg_rel_di): Likewise.
3870         (sync_lock_test_and_set<mode>): Likewise.
3872 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3874         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3875         (true_regnum): Likewise.
3877         * rtlanal.c (subreg_info): Moved to ...
3878         * rtl.h (subreg_info): Here.  New.
3879         (subreg_get_info): New.
3881         * rtlanal.c (subreg_get_info): Make it extern.
3883 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3885         PR target/39472
3886         * config/i386/i386.c (ix86_abi): New.
3887         (override_options): Handle -mabi=.
3888         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3889         (ix86_call_abi_override): Likewise.
3890         (init_cumulative_args): Likewise.
3891         (function_arg_advance): Likewise.
3892         (function_arg_64): Likewise.
3893         (function_arg): Likewise.
3894         (ix86_pass_by_reference): Likewise.
3895         (ix86_function_value_regno_p): Likewise.
3896         (ix86_build_builtin_va_list_abi): Likewise.
3897         (setup_incoming_varargs_64): Likewise.
3898         (is_va_list_char_pointer): Likewise.
3899         (ix86_init_machine_status): Likewise.
3900         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3901         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
3902         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
3903         (ix86_function_abi): Make it static and return enum calling_abi.
3904         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
3905         with ix86_abi.
3906         (ix86_fn_abi_va_list): Updated.
3908         * config/i386/i386.h (ix86_abi): New.
3909         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3910         (CONDITIONAL_REGISTER_USAGE): Likewise.
3911         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3912         (machine_function): Likewise.
3914         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3915         with ix86_abi.
3916         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3917         (STACK_BOUNDARY): Likewise.
3918         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3920         * config/i386/i386.opt (mabi=): New.
3922         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3923         return enum calling_abi.
3924         (ix86_function_type_abi): Likewise.
3925         (ix86_function_abi): Removed.
3927         * doc/invoke.texi: Document -mabi= option for x86.
3929 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3931         * builtins.c (real_dconstp): Delete.
3932         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3934 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
3935             Jakub Jelinek  <jakub@redhat.com>
3937         PR debug/37959
3938         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3939         (gen_subprogram_die): When a function is explicit, generate the
3940         DW_AT_explicit attribute.
3941         * langhooks.h (struct lang_hooks_for_decls): Add
3942         function_decl_explicit_p langhook.
3943         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3944         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3946 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
3948         * builtins.c (fold_builtin_memory_op): Optimize memmove
3949         into memcpy if we can prove source and destination don't overlap.
3951         * tree-inline.c: Include gt-tree-inline.h.
3952         (clone_fn_id_num): New variable.
3953         (clone_function_name): New function.
3954         (tree_function_versioning): Use it.
3955         * Makefile.in (GTFILES): Add tree-inline.c.
3957 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
3959         * BASE-VER: Change to 4.5.0.
3961 2009-03-27  Xinliang David Li  <davidxl@google.com>
3963         PR tree-optimization/39557
3964         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3966 2009-03-27  Xinliang David Li  <davidxl@google.com>
3968         PR tree-optimization/39548
3969         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
3970         candidate check.
3972 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3974         * c-common.c (pointer_int_sum): Use %wd on return from
3975         tree_low_cst.
3977 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3979         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3980         on return from tree_low_cst.
3982 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3984         PR c++/36799
3985         * ginclude/stdarg.h (va_copy): Define also for
3986         __GXX_EXPERIMENTAL_CXX0X__.
3988 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3990         PR c++/35652
3991         * builtins.h (c_strlen): Do not warn here.
3992         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3993         * c-common.c (pointer_int_sum): Take an explicit location.
3994         Warn about offsets out of bounds.
3995         * c-common.h (pointer_int_sum): Adjust declaration.
3997 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3999         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
4000         markup glitch.
4002 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
4004         PR c++/39554
4005         * opts.c (warn_if_disallowed_function_p): Don't assume
4006         get_callee_fndecl must return non-NULL.
4008 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
4010         PR rtl-optimization/39522
4011         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
4012         when reg_reloaded_valid is set.
4014 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4016         * config/spu/divv2df3.c: New file.
4017         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
4018         (DPBIT_FUNCS): Filter out _div_df.
4020 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4022         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4023         a jump insn, count that jump in the distance to the loop start.
4025 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
4027         PR target/39523
4028         * config/sh/sh.c (calc_live_regs): Fix condition for global
4029         registers except PIC_OFFSET_TABLE_REGNUM.
4031 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
4033         PR/39518
4034         * doc/invoke.texi (-mconsole): New.
4035         (-mcygwin): New.
4036         (-mno-cygwin): New.
4037         (-mdll): New.
4038         (-mnop-fun-dllimport): New.
4039         (-mthread): New.
4040         (-mwin32): New.
4041         (-mwindows): New.
4042         (sub section "i386 and x86-64 Windows Options"): New.
4044 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
4046         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4047         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4049 2009-03-25  Richard Guenther  <rguenther@suse.de>
4051         PR middle-end/39497
4052         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4053         of -Wno-error.
4055 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
4057         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4058         neither of haifa/selective schedulers are working.
4060 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4062         * doc/invoke.texi (Debugging Options): Fix description of
4063         -fno-merge-debug-strings.
4065 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
4067         * config/cris/libgcc.ver: New version-script.
4068         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4070         * configure.ac <GAS features, nop mnemonic>: Add pattern
4071         crisv32-*-* for "nop".
4072         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4073         * configure: Regenerate.
4075 2009-03-24  Ira Rosen  <irar@il.ibm.com>
4077         PR tree-optimization/39529
4078         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4079         mark_sym_for_renaming for the tag copied to the new vector
4080         pointer.
4082 2009-03-24  Arthur Loiret  <aloiret@debian.org>
4084         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4085         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4086         EXTRA_SPEC_FUNCTIONS.
4087         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4088         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4089         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4090         -march and -mtune options.
4092 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
4094         * config/m68k/t-rtems: Add m5329 multilib.
4096 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
4097             Jakub Jelinek  <jakub@redhat.com>
4099         PR debug/39524
4100         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4101         nodes.
4103 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4105         PR c/39495
4106         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4107         instead of c_parser_expression_conv, if original_code isn't one of the
4108         4 allowed comparison codes, fail.
4110 2009-03-23  Richard Guenther  <rguenther@suse.de>
4112         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4113         * tree.h (struct tree_type): Likewise.
4114         * reload.h (struct insn_chain): Likewise.
4115         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4116         * function.h (struct function): Likewise.
4117         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4119 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4121         PR tree-optimization/39516
4122         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4124 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
4126         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
4127         should be set true if BITS_PER_WORD of target is bigger than 32
4129 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
4131         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4132         Translate -B-options to -rpath-link.  Correct existing
4133         rpath-link and conditionalize on !nostdlib.
4135 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4137         * doc/extend.texi (Function Attributes, Variable Attributes):
4138         Fix typos.
4139         * doc/invoke.texi (Debugging Options, Optimize Options)
4140         (i386 and x86-64 Options, MCore Options): Likewise.
4142 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
4144         PR debug/37890
4145         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4146         it for block local namespace aliases.
4147         (gen_decl_die): Pass context_die to gen_namespace_die.
4149 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4151         PR c/39495
4152         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4153         minimum or maximum value.
4155 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
4157         * reginfo.c (globalize_reg): Recompute derived reg sets.
4159 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
4161         PR target/39063
4162         * libgcc2.c (mprotect): Do not use signed arguments for
4163         VirtualProtect, use DWORD arguments.  Also fix the 'may
4164         be used uninitialized' warning for the np variable.
4166 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4168         PR target/39496
4169         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4170         functions using regparm calling conventions when not optimizing.
4171         (ix86_function_sseregparm): Similarly for sseregparm calling
4172         conventions.
4174 2009-03-19  Li Feng  <nemokingdom@gmail.com>
4176         PR middle-end/39500
4177         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4178         dependence if the first conflict is after niter iterations.
4180 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
4182         PR middle-end/38609
4183         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4184         functions with dynamic stack-pointer adjustments.
4186 2009-03-19  Ben Elliston  <bje@au.ibm.com>
4188         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4189         option; change to -msdata=data.
4191 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4193         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4194         and -fopenmp.
4196 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
4198         PR target/35180
4199         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4201 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
4203         * doc/invoke.texi (Code Gen Options): Expand discussion of
4204         -fno-common.
4206 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
4208         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4209         * matrix-reorg.c (struct matrix_info): Likewise.
4210         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4211         * rtl.h (struct mem_attrs): Likewise.
4212         * df.h (struct df): Likewise.
4213         * tree-data-ref.h (struct data_dependence_relation): Likewise.
4214         * ira-int.h (struct ira_allocno): Likewise.
4215         * df-scan.c (struct df_collection_rec): Likewise.
4216         * ira.c (struct equivalence): Likewise.
4217         * function.c (struct temp_slot): Likewise.
4218         * cfgloop.h (struct loop): Likewise.
4220         PR debug/39485
4221         * function.c (use_register_for_decl): When not optimizing, disregard
4222         register keyword for variables with types containing methods.
4224 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
4226         PR middle-end/39447
4227         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4228         (is_simple_operand): Call contains_component_ref_p before calling data
4229         reference analysis that would fail on COMPONENT_REFs.
4231         * tree-vrp.c (search_for_addr_array): Fix formatting.
4233 2009-03-18  Richard Guenther  <rguenther@suse.de>
4235         * tree-vect-transform.c (vect_loop_versioning): Fold the
4236         generated comparisons.
4237         * tree-vectorizer.c (set_prologue_iterations): Likewise.
4238         (slpeel_tree_peel_loop_to_edge): Likewise.
4240 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4242         PR middle-end/37805
4243         * opts.c (print_specific_help): In addition to `undocumented',
4244         accept `separate' and `joined' flags if passed alone.  Describe
4245         output by the first matched one of those.
4246         (common_handle_option): Skip over empty strings.
4247         * gcc.c (display_help): Fix help string for `--help='.
4248         * doc/invoke.texi (Option Summary, Overall Options): With
4249         `--help=', classes and qualifiers can both be repeated, but
4250         only the latter can be negated.  One should not pass only
4251         negated qualifiers.  Fix markup and examples.
4253         Revert
4254         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
4255         PR middle-end/37805
4256         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4257         and -fhelp=separate.
4259 2009-03-17  Jing Yu  <jingyu@google.com>
4261         PR middle-end/39378
4262         * function.h (struct rtl_data): Move is_thunk from here...
4263         (struct function): ...to here.
4264         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4265         * varasm.c (assemble_start_function): Change is_thunk from crtl to
4266         cfun.
4267         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4268         cfun.
4269         (alpha_does_function_need_gp, alpha_start_function): Likewise.
4270         (alpha_output_function_end_prologue): Likewise.
4271         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4272         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4273         (rs6000_output_function_epilogue): Likewise.
4274         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4276 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
4278         PR target/39482
4279         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4280         from different units in a single alternative.
4281         (*truncdfsf_i387): Ditto.
4282         (*truncxfsf2_mixed): Ditto.
4283         (*truncxfdf2_mixed): Ditto.
4285 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
4287         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4288         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4290         PR debug/39474
4291         * tree-ssa-live.c (remove_unused_locals): Don't remove local
4292         unused non-artificial variables when not optimizing.
4294         PR debug/39471
4295         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4296         DW_TAG_imported_module even if decl is IMPORTED_DECL with
4297         NAMESPACE_DECL in its DECL_INITIAL.
4299         PR middle-end/39443
4300         * optabs.c (set_user_assembler_libfunc): New function.
4301         * expr.h (set_user_assembler_libfunc): New prototype.
4302         * c-common.c: Include libfuncs.h.
4303         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4304         for memcmp, memset, memcpy, memmove and abort.
4305         * Makefile.in (c-common.o): Depend on libfuncs.h.
4307         PR debug/39412
4308         * dwarf2out.c (gen_inlined_enumeration_type_die,
4309         gen_inlined_structure_type_die, gen_inlined_union_type_die,
4310         gen_tagged_type_instantiation_die): Removed.
4311         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4312         do nothing.
4314 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
4316         PR testsuite/38526
4317         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4318         its use.
4319         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4320         (check-parallel-%): Ditto.
4321         (check-consistency): Ditto.
4323 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
4325         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4326         local variable rhs by NULL_TREE.
4328 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4330         PR target/39477
4331         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4333 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4335         PR target/39476
4336         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4338 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4340         PR target/39473
4341         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4342         for ms->sysv ABI calls only in 64bit mode.
4344         * config/i386/i386.md (untyped_call): Support 32bit.
4346 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
4348         * doc/extend.texi: Replace x86_65 with x86_64.
4350 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
4352         PR tree-optimization/39455
4353         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4354         mismatches for POINTER_TYPE_P (type).
4355         (number_of_iterations_le): Likewise.
4357 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
4359         * config/picochip/picochip.c: Removed profiling support.
4360         * config/picochip/picochip.md: Removed profiling instruction.
4361         * config/picochip/picochip.h: Removed profiling builtin.
4363 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
4365         * doc/install.texi (--with-host-libstdcxx): Document.
4367 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
4369         PR target/34299
4370         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4371         generate a warning if the function name does not begin with
4372         "__vector" and the function has either the 'signal' or 'interrupt'
4373         attribute, from here to ...
4374         (avr_declare_function_name): ...here. New function.
4375         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4376         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4378 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
4380         PR bootstrap/39454
4381         * cse.c (fold_rtx): Don't modify original const_arg1 when
4382         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4383         separate variable instead.
4384         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4385         from out of range shift counts.
4386         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4388 2008-03-13  Catherine Moore  <clm@codesourcery.com>
4390         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4391         diagnostic.h with $(DIAGNOSTIC_H).
4393 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
4395         PR target/39431
4396         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4397         predicate.
4398         * config/i386/sync.md (sync_compare_and_swap<mode>,
4399         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4400         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4401         into a register.
4402         (sync_double_compare_and_swapdi_pic,
4403         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4404         cmpxchg8b_pic_memory_operand instead of just memory_operand.
4406 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4408         PR target/39445
4409         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4411 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4413         PR target/39327
4414         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4415         (avx_addsubv4df3): Likewise.
4416         (*avx_addsubv4sf3): Likewise.
4417         (sse3_addsubv4sf3): Likewise.
4419 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4421         PR target/38824
4422         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4424 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
4426         PR debug/39432
4427         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4428         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4429         registers for allocnos created from user-defined variables.
4431 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4433         PR target/39181
4434         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4435         of non-integer mode as well.
4437 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
4439         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4440         for functions for which the parameter types are unknown.
4442 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
4444         PR target/39137
4445         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4446         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4447         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4448         * config/i386/i386.c (ix86_local_alignment): For
4449         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4450         long long variables on the stack to avoid dynamic realignment.
4451         Allow the first argument to be a decl rather than type.
4452         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4454 2009-03-11  Nick Clifton  <nickc@redhat.com>
4456         PR target/5362
4457         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4458         options.
4459         Add description to mno-lsim option.
4460         * config/mcore/mcore.h: Remove comment about deprecated m4align
4461         option.
4462         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4463         * doc/invoke.texi: Add description of mno-lsim and
4464         mstack-increment options.
4466         * config/fr30/fr30.opt: Document the -mno-lsim option.
4467         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4468         and -mno-lsim options.
4470 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4472         * fold-const.c (fold_comparison): Only call fold_inf_compare
4473         if the mode supports infinities.
4475 2009-03-11  Jason Merrill  <jason@redhat.com>
4477         PR debug/39086
4478         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4479         end already did.  Notice GIMPLE_CALL modifications of the result.
4480         Don't copy debug information from an ignored decl or a decl from
4481         another function.
4483 2009-03-10  Richard Guenther  <rguenther@suse.de>
4484             Nathan Froyd  <froydnj@codesourcery.com>
4486         PR middle-end/37850
4487         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4488         (__divMODE3): Likewise.
4490 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
4492         PR tree-optimization/39394
4493         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4494         DECL_SIZE_UNIT of variable length FIELD_DECLs.
4496 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4498         * recog.c (verfiy_changes): Disallow renaming of hard regs in
4499         inline asms for register asm ("") declarations.
4501 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
4503         * fold-const.c (fold_unary): Fix comment.
4505 2009-03-07  Jan Hubicka  <jh@suse.cz>
4507         PR target/39361
4508         * tree-inline.c (setup_one_parameter): Do replacement of const
4509         argument by constant in SSA form.
4511 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4513         PR middle-end/38028
4514         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4515         determine alignment passed to assign_stack_local.
4516         (assign_parms_unsplit_complex): Likewise.
4517         * except.c (sjlj_build_landing_pads): Likewise.
4519 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4521         PR middle-end/39360
4522         * tree-flow.h (add_referenced_var): Return bool instead of void.
4523         * tree-dfa.c (add_referenced_var): Return result of
4524         referenced_var_check_and_insert call.
4525         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4526         of referenced_var_check_and_insert.
4528         PR debug/39372
4529         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4530         (gen_variable_die): Emit DW_AT_location on abstract static variable's
4531         DIE, don't emit it if abstract origin already has it.
4532         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4533         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4535 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4537         * genpreds.c (needs_variable): Fix parentheses at variable name
4538         detection.
4539         (write_tm_constrs_h): Indent generated code.
4541 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4543         * doc/extend.texi (Function Attributes): Add documentation
4544         for isr attributes.
4546 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4548         PR debug/39387
4549         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4550         take locus from its DECL_SOURCE_LOCATION instead of input_location.
4552 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4554         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4555         the loop as bad.
4557 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
4559         PR debug/39379
4560         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4561         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4563 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
4565         * config/i386/i386.md (R8_REG, R9_REG): New constants.
4566         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4567         constants instead of magic numbers.
4568         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4569         (QI_REG_P): Ditto.
4570         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4571         (x86_64_ms_abi_int_parameter_registers): Ditto.
4572         (x86_64_int_return_registers): Ditto.
4573         (ix86_maybe_switch_abi): Ditto.
4574         (ix86_expand_call): Ditto for clobbered_registers array.
4575         (ix86_hard_regno_mode_ok): Ditto.
4576         (x86_extended_QIreg_mentioned_p): Ditto.
4578 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
4580         PR tree-optimization/39349
4581         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4583         * combine.c (gen_lowpart_for_combine): Use omode when generating
4584         clobber.
4586 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
4588         PR rtl-optimization/39235
4589         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4591 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4593         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4595 2009-03-04  Richard Guenther  <rguenther@suse.de>
4597         PR tree-optimization/39362
4598         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4599         that occur in abnormal PHIs should be varying.
4601 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4603         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4604         Extend comments.
4605         (simple_iv):  Take loop as an argument instead of statement.
4606         * tree-scalar-evolution.h (simple_iv): Declaration changed.
4607         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4608         to simple_iv.
4609         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4610         Ditto.
4611         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4612         * matrix-reorg.c (analyze_transpose): Ditto.
4613         * tree-data-ref.c (dr_analyze_innermost): Ditto.
4614         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4615         * tree-predcom.c (ref_at_iteration): Ditto.
4616         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4618 2009-03-04  Richard Guenther  <rguenther@suse.de>
4620         PR tree-optimization/39358
4621         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4622         escaped_id and callused_id.
4623         (solve_graph): Likewise.
4625 2009-03-04  Richard Guenther  <rguenther@suse.de>
4627         PR tree-optimization/39339
4628         * tree-sra.c (try_instantiate_multiple_fields): Make it
4629         no longer ICE on the above.
4631 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
4633         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4634         that fits within Pmode.
4636 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4638         PR middle-end/10109
4639         * tm.texi (LIBCALL_VALUE): Update description.
4641 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4643         PR middle-end/34443
4644         * doc/extend.texi (section): Update description.
4646 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
4648         PR middle-end/39345
4649         * tree-inline.c (remapped_type): New.
4650         (can_be_nonlocal): Call remapped_type instead of remap_type.
4652 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4654         PR fortran/39354
4655         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4656         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4658 2009-03-03  Richard Guenther  <rguenther@suse.de>
4660         PR middle-end/39272
4661         * tree.c (tree_nonartificial_location): New function.
4662         * tree.h (tree_nonartificial_location): Declare.
4663         * builtins.c (expand_builtin_memory_chk): Provide location
4664         of the call location for artificial function pieces.
4665         (maybe_emit_chk_warning): Likewise.
4666         (maybe_emit_sprintf_chk_warning): Likewise.
4667         (maybe_emit_free_warning): Likewise.
4668         * expr.c (expand_expr_real_1): Likewise.
4670 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4672         PR tree-optimization/39343
4673         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4674         COMPONENT_REF t has ARRAY_TYPE.
4676 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4678         PR middle-end/39335
4679         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4680         when the type precision of the induction variable should be
4681         larger than the type precision of nit.
4682         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4683         * graphite.c (graphite_loop_normal_form): Same.
4684         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4686 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4688         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4689         (*call_1_rex64_ms_sysv): Use named constants instead of magic
4690         numbers to describe clobbered registers.
4691         (*call_value_0_rex64_ms_sysv): Ditto.
4692         * config/i386/mmx.md (mmx_emms): Ditto.
4693         (mmx_femms): Ditto.
4695 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
4697         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4698         of ABI_64.
4700 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4702         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4703         (spu_section_type_flags): New function.
4705 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4707         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4708         reg_class_contents of FLOAT_REGS into a temporary.
4710 2009-03-02  Richard Guenther  <rguenther@suse.de>
4711             Ira Rosen  <irar@il.ibm.com>
4713         PR tree-optimization/39318
4714         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4715         information to the vectorized statement.
4717 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
4719         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4720         variable.  Use defined names instead of magic constants for REX SSE
4721         registers.
4723 2009-03-01  Richard Guenther  <rguenther@suse.de>
4725         PR tree-optimization/39331
4726         * omp-low.c (lower_send_shared_vars): Do not receive new
4727         values for the reference of DECL_BY_REFERENCE parms or results.
4729 2009-03-01  Jan Hubicka  <jh@suse.cz>
4731         PR debug/39267
4732         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4733         BLOCK_NONLOCALIZED_VAR): New macros.
4734         (tree_block): Add nonlocalized_vars.
4735         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4736         gen_decl_die): Add origin argument.  Allow generation of die with
4737         origin at hand only.
4738         (gen_member_die, gen_type_die_with_usage, force_decl_die,
4739         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4740         of gen_*.
4741         (gen_block_die): Fix checking for unused blocks.
4742         (process_scope_var): Break out from .... ; work with origins only.
4743         (decls_for_scope) ... here; process nonlocalized list.
4744         (dwarf2out_ignore_block): Look for nonlocalized vars.
4745         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4746         vars.
4747         (dump_scope_block): Dump them.
4748         * tree-inline.c (remap_decls): Handle nonlocalized vars.
4749         (remap_block): Likewise.
4750         (can_be_nonlocal): New predicate.
4751         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4753 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4755         * configure: Regenerate.
4757 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4759         * optc-gen.awk: No need to duplicate option flags twice.
4760         Reuse help texts for duplicate options which do not have any.
4762         * gcc.c (display_help): Document --version.
4764         * gcc.c (main): If print_help_list and verbose_flag, ensure
4765         driver output comes before subprocess output.
4767         * optc-gen.awk: Assign all remaining fields to help string,
4768         space-separated, for multi-line help in *.opt.
4770         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4771         -Wno-pedantic-ms-format is for MinGW targets only.
4773         * doc/options.texi (Option file format): Fix bad indentation,
4774         restoring dropped sentence.
4776 2009-02-28  Jan Hubicka  <jh@suse.cz>
4778         * tree-inline.c (tree_function_versioning): Output debug info.
4780 2009-02-28  Jan Hubicka  <jh@suse.cz>
4782         PR debug/39267
4783         * tree-inline.c (setup_one_parameter): Do not copy propagate
4784         arguments when not optimizing.
4786 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
4788         PR target/39327
4789         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4790         (avx_addsubv4df3): Likewise.
4791         (*avx_addsubv4sf3): Likewise.
4792         (sse3_addsubv4sf3): Likewise.
4793         (*avx_addsubv2df3): Likewise.
4794         (sse3_addsubv2df3): Likewise.
4795         (avx_unpckhps256): Correct item selectors.
4796         (avx_unpcklps256): Likewise.
4797         (avx_unpckhpd256): Likewise.
4798         (avx_unpcklpd256): Likewise.
4800 2009-02-28  Jan Hubicka  <jh@suse.cz>
4802         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4803         static vars.
4804         (copy_arguments_for_versioning): If var is declared don't declare it.
4805         (tree_function_versioning): First setup substitutions and then copy
4806         args.
4808 2009-02-27  Jan Hubicka  <jh@suse.cz>
4810         PR debug/39267
4811         * cgraph.h (varpool_output_debug_info): Remove.
4812         * cgraphunit.c (varpool_output_debug_info): Remove.
4813         * dwarf2out.c (deferred_locations_struct): New struct
4814         (deferred_locations): New type.
4815         (deferred_locations_list): New static var.
4816         (deffer_location): New function.
4817         (gen_variable_die): Use it.
4818         (decls_for_scope): Output info on local static vars.
4819         (dwarf2out_finish): Process deferred locations.
4820         * varpool.c (varpool_output_debug_info): Remove.
4822 2009-02-27  Jan Hubicka  <jh@suse.cz>
4824         PR debug/39267
4825         * tree.h (TREE_PROTECTED): Fix comment.
4826         (BLOCK_HANDLER_BLOCK): Remove.
4827         (struct tree_block): Remove handler_block add body_block.
4828         (inlined_function_outer_scope_p): New.
4829         (is_body_block): Remove.
4830         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4831         * dwarf2out.c (is_inlined_entry_point): Remove.
4832         (add_high_low_attributes): Use inlined_function_outer_scope_p.
4833         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
4834         code.
4835         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4836         * gimplify.c (gimplify_expr): Gimplify body blocks.
4837         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4838         block with multiple subblocks.
4839         (dump_scope_block): Prettier output; dump more flags and info.
4840         (dump_scope_blocks): New.
4841         (remove_unused_locals): Use dump_scope_blocks.
4842         * tree-flow.h (dump_scope_blocks): Declare.
4843         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4844         * stmt.c (is_body_block): Remove.
4845         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4846         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4848 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4850         PR middle-end/39308
4851         * graphite.c (graphite_loop_normal_form): Do not call 
4852         number_of_iterations_exit from a gcc_assert.
4854 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4856         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4857         jumps if COND is NULL.
4858         (find_cond_jump): New function.
4859         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4860         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4862 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
4864         * config/alpha/alpha.h (alpha_expand_mov): Return false if
4865         force_const_mem returns NULL_RTX.
4867 2009-02-26  Jan Hubicka  <jh@suse.cz>
4869         PR debug/39267
4870         * cgraph.h (varpool_output_debug_info): Remove.
4871         * cgraphunit.c (varpool_output_debug_info): Remove.
4872         * dwarf2out.c (deferred_locations_struct): New struct
4873         (deferred_locations): New type.
4874         (deferred_locations_list): New static var.
4875         (deffer_location): New function.
4876         (gen_variable_die): Use it.
4877         (decls_for_scope): Output info on local static vars.
4878         (dwarf2out_finish): Process deferred locations.
4879         * varpool.c (varpool_output_debug_info): Remove.
4881 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
4883         PR rtl-optimization/39241
4884         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4885         to subreg_offset_representable_p.
4887 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4889         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4890         execute function prototype.  Get f and nregs from max_reg_num
4891         and get_insns.  Remove the first backward pass as it's dead,
4892         guard the forward pass by flag_expensive_optimizations.
4893         (rest_of_handle_regmove): Delete.
4894         (pass_regmove): Replace it with regmove_optimize.
4896 2009-02-25  Martin Jambor  <mjambor@suse.cz>
4898         PR tree-optimization/39259
4899         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4900         calls_alloca function flags.
4901         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4902         calls are detected.
4904 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4906         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4907         flags_set_1_rtx, flags_set_1_set): Delete.
4908         (regmove_optimize): Do not call mark_flags_life_zones.
4910 2009-02-24  Julian Brown  <julian@codesourcery.com>
4912         PR target/35965
4913         * config/arm/arm.c (require_pic_register): Only set
4914         cfun->machine->pic_reg once per function.
4916 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
4918         * doc/invoke.texi (Link Options): Document an easier way to pass
4919         options that take arguments to the GNU linker using -Xlinker and -Wl.
4921 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
4923         PR target/33785
4924         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4926 2009-02-24  Richard Guenther  <rguenther@suse.de>
4928         PR debug/39285
4929         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4931 2009-02-24  Richard Guenther  <rguenther@suse.de>
4932             Zdenek Dvorak  <ook@ucw.cz>
4934         PR tree-optimization/39233
4935         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4936         from converting them to a generic type.
4938 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4940         PR tree-optimization/39260
4941         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4942         contains a condition with a real type.
4943         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4945 2009-02-23  Jason Merrill  <jason@redhat.com>
4947         PR c++/38880
4948         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4949         narrowing_initializer_constant_valid_p.
4950         (narrowing_initializer_constant_valid_p): Don't return 
4951         null_pointer_node for adding a pointer to itself.
4953 2009-02-23  Jan Hubicka  <jh@suse.cz>
4955         PR c/12245
4956         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4957         resizing.
4959 2009-02-23  Jan Hubicka  <jh@suse.cz>
4961         PR tree-optimization/37709
4962         * tree.c (block_ultimate_origin): Move here from dwarf2out.
4963         * tree.h (block_ultimate_origin): Declare.
4964         * dwarf2out.c (block_ultimate_origin): Move to tree.c
4965         * tree-ssa-live.c (remove_unused_scope_block_p):
4966         Eliminate blocks containig no instructions nor live variables nor
4967         nested blocks.
4968         (dump_scope_block): New function.
4969         (remove_unused_locals): Enable removal of dead blocks by default;
4970         enable dumping at TDF_DETAILS.
4972 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
4974         * config/i386/i386.c (classify_argument): Don't allow COImode
4975         and OImode.
4976         (function_arg_advance_32): Don't allow OImode.
4977         (function_arg_32): Likewise.
4978         (function_value_32): Likewise.
4979         (return_in_memory_32): Likewise.
4980         (function_arg_64): Remove OImode comment.
4982 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
4984         PR target/39261
4985         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4986         ix86_expand_vector_set for V4DImode in 64bit mode only.
4987         (ix86_expand_vector_init_one_var): Likewise.
4989 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4991         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4993 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
4995         PR bootstrap/39257
4996         * loop-iv.c: Revert last change.
4997         * emit-rtl.c: Likewise.
4999 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5001         PR target/39256
5002         * config/i386/i386.c (type_natural_mode): Remove an extra
5003         space in the warning message.
5004         (function_value_32): Handle 32-byte vector modes.
5005         (return_in_memory_32): Likewise.
5007 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5009         * loop-iv.c (truncate_value): New function.
5010         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
5011         of lowpart_subreg.
5012         (lowpart_subreg): Move to...
5013         * emit-rtl.c: ...here.
5015 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
5017         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
5018         accidental and undocumented change at revision 140860.
5020 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
5022         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
5023         take gimple_seq * arguments.
5024         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5025         types_compatible_p langhook.
5027 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
5028             Joseph Myers  <joseph@codesourcery.com>
5030         * config/arm/arm.c (arm_builtin_va_list): New function.
5031         (arm_expand_builtin_va_start): Likewise.
5032         (arm_gimplify_va_arg_expr): Likewise.
5033         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5034         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5035         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5036         (va_list_type): New variable.
5037         (arm_mangle_type): Mangle va_list_type appropriately.
5039 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5041         PR middle-end/39157
5042         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5043         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5044         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5045         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5046         parameter to 1000 for -O1 by default.
5047         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5048         parameter.
5049         * loop-invariant.c: Include params.h.
5050         (move_loop_invariants): Don't call move_single_loop_invariants on
5051         very large loops.
5053 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
5055         * calls.c (emit_library_call_value_1): Use slot_offset instead of
5056         offset when calculating bounds for indexing stack_usage_map.  Fixes
5057         a buffer overflow with certain target setups.
5059 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5061         PR target/39240
5062         * calls.c (expand_call): Clear try_tail_call if caller and callee
5063         disagree in promotion of function return value.
5065 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
5067         PR target/39175
5068         * c-common.c (c_determine_visibility): If visibility changed and
5069         DECL_RTL has been already set, call make_decl_rtl to update symbol
5070         flags.
5072 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
5074         PR c++/39188
5075         * varasm.c (assemble_variable): Don't check DECL_NAME when
5076         globalizing a variable.
5078 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
5080         PR c/38483
5081         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5082         expression before any __builtin_trap call.
5083         * c-typeck.c (build_function_call): Convert and check function
5084         arguments before generating a call to a trap.  Evaluate the
5085         function arguments before the trap.
5087 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
5089         PR target/39228
5090         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5091         (UNSPEC_FXAM_MEM): New unspec.
5092         (fxam<mode>2_i387_with_temp): New insn and split pattern.
5093         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
5094         memory using fxam<mode>2_i387_with_temp to remove excess precision.
5096 2009-02-19  Richard Guenther  <rguenther@suse.de>
5098         PR tree-optimization/39207
5099         PR tree-optimization/39074
5100         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5101         storedanything_tree): New.
5102         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
5103         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5104         (build_succ_graph): Add edges from STOREDANYTHING to all
5105         non-direct nodes.
5106         (init_base_vars): Initialize STOREDANYTHING.
5107         (compute_points_to_sets): Free substitution info after
5108         building the succ graph.
5109         (ipa_pta_execute): Likewise.
5111         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5112         field.
5113         (do_ds_constraint): Do not add to special var or non-pointer
5114         field solutions.
5115         (type_could_have_pointers): Split out from ...
5116         (could_have_pointers): ... here.  For arrays use the element type.
5117         (create_variable_info_for): Initialize may_have_pointers.
5118         (new_var_info): Likewise.
5119         (handle_lhs_call): Make the HEAP variable unknown-sized.
5120         (intra_create_variable_infos): Use a type with pointers for
5121         PARM_NOALIAS, make it unknown-sized.
5123 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
5125         PR target/39224
5126         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5128 2009-02-18  Jason Merrill  <jason@redhat.com>
5130         PR target/39179
5131         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5132         value if DECL_EXTERNAL.
5133         * tree-sra.c (sra_walk_gimple_assign): Likewise.
5134         * target.h (gcc_target::binds_local_p): Clarify "module".
5135         * tree.h (TREE_PUBLIC): Clarify "module".
5137 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
5139         PR target/38891
5140         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5141         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5143 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
5145         PR target/39082
5146         * c.opt (Wabi): Support C and ObjC.
5147         (Wpsabi): New.
5149         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5151         * config/i386/i386.c (classify_argument): Warn once about the ABI
5152         change when passing union with long double.
5154         * doc/invoke.texi: Update -Wabi for warning psABI changes.
5156 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
5158         PR c/35447
5159         * c-parser.c (c_parser_compound_statement): Always enter and leave
5160         a scope.
5162 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5164         PR target/34587
5165         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5167 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
5169         PR tree-optimization/36922
5170         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5171         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5172         Likewise.
5174 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5176         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5177         to 0 for EABI64.
5179 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5181         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5183 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5185         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5186         tree sharing.
5188 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
5189             Richard Sandiford  <rdsandiford@googlemail.com>
5191         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5192         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5193         (loongson_biadd): ...this.
5195 2009-02-17  Richard Guenther  <rguenther@suse.de>
5197         PR tree-optimization/39202
5198         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5199         a var make sure to follow existing collapses.
5201 2009-02-17  Richard Guenther  <rguenther@suse.de>
5203         PR middle-end/39214
5204         * langhooks.c (lhd_print_error_function): Check for NULL block.
5206 2009-02-17  Richard Guenther  <rguenther@suse.de>
5208         PR tree-optimization/39204
5209         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5210         of the PHI arg.
5212 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
5214         * config/soft-fp/double.h: Update from glibc CVS.
5216 2009-02-17  Richard Guenther  <rguenther@suse.de>
5218         PR tree-optimization/39207
5219         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5220         strict-aliasing warnings for pointers pointing to NULL.
5222 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
5224         PR c/35446
5225         * c-parser.c (c_parser_braced_init): Call pop_init_level when
5226         skipping until next close brace.
5228 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5230         PR target/37049
5231         * config/i386/i386.c (ix86_expand_push): Set memory alignment
5232         to function argument boundary.
5234 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
5236         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5237         in the lea_add. Reload eventually constraints it properly.
5238         * config/picochip/constraints.md : Remove the target constraint
5239         "b", since it is not needed anymore.
5241 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
5243         * gthr-dce.h: Uglify function parameter and local variable names.
5244         * gthr-gnat.h: Likewise.
5245         * gthr-mipssde.h: Likewise.
5246         * gthr-nks.h: Likewise.
5247         * gthr-posix95.h: Likewise.
5248         * gthr-posix.h: Likewise.
5249         * gthr-rtems.h: Likewise.
5250         * gthr-single.h: Likewise.
5251         * gthr-solaris.h: Likewise.
5252         * gthr-tpf.h: Likewise.
5253         * gthr-vxworks.h: Likewise.
5254         * gthr-win32.h: Likewise.
5256 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
5258         PR target/39196
5259         * config/i386/i386.md: Restrict the new peephole2 to move
5260         between MMX/SSE registers.
5262 2009-02-15  Richard Guenther  <rguenther@suse.de>
5264         Revert
5265         2009-02-13  Richard Guenther  <rguenther@suse.de>
5267         * configure.ac: Enable LFS.
5268         * configure: Re-generate.
5269         * config.in: Likewise.
5271 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5273         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5274         spu_srqwbyte, spu_srqwbytebc): Define.
5275         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5276         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5277         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5278         "shrqby_<mode>"): New insn-and-split patterns.
5279         * config/spu/spu.c (expand_builtin_args): Determine and return
5280         number of operands using spu_builtin_description data.
5281         (spu_expand_builtin_1): Use it.
5283 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
5285         PR target/38056
5286         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5287         TARGET_CONST_GP.
5289 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5291         PR target/39149
5292         * config/i386/i386.c (override_options): Correct warning
5293         messages for -malign-loops, -malign-jumps and -malign-functions.
5295 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5297         PR target/39152
5298         * config/i386/i386.md: Restrict the new peephole2 to move
5299         between the general purpose registers.
5301 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5303         PR target/39162
5304         * config/i386/i386.c (type_natural_mode): Add a new argument.
5305         Return the original mode and warn ABI change if vector size is 32byte.
5306         (function_arg_advance): Updated.
5307         (function_arg): Likewise.
5308         (ix86_function_value): Likewise.
5309         (ix86_return_in_memory): Likewise.
5310         (ix86_sol10_return_in_memory): Likewise.
5311         (ix86_gimplify_va_arg): Likewise.
5312         (function_arg_32): Don't warn ABX ABI change here.
5313         (function_arg_64): Likewise.
5315 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
5317         * loop-iv.c (implies_p): In the final case, test that operands 0
5318         of the two comparisons match.
5320         * config/bfin/bfin.c (find_prev_insn_start): New function.
5321         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5322         (find_next_insn_start): Move.
5324 2009-02-13  Richard Guenther  <rguenther@suse.de>
5326         * configure.ac: Enable LFS.
5327         * configure: Re-generate.
5328         * config.in: Likewise.
5330 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
5332         PR c/35444
5333         * c-parser.c (c_parser_parms_list_declarator): Discard pending
5334         sizes on syntax error after some arguments have been parsed.
5336 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5338         * doc/invoke.texi (-fira): Remove.
5340 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5342         * caller-save.c: Replace regclass.c with reginfo.c in comments.
5343         * recog.c: Likewise.
5344         * rtl.h: Likewise.
5346 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
5348         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5349         (umul_ppmm): Likewise.
5350         (count_leading_zeros): Likewise.
5351         (count_trailing_zeros): Likewise.
5352         (UMUL_TIME): Likewise.
5354 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5356         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5357         soft-fp/t-softfp to tmake_file.
5359         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5360         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5361         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5362         IA64_BUILTIN_INFQ]: New.
5363         (ia64_init_builtins): Initialize __builtin_infq,
5364         __builtin_fabsq and __builtin_copysignq if not HPUX.
5365         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5366         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5368         * config/ia64/lib1funcs.asm (__divtf3): Define only if
5369         SHARED is defined.
5370         (__fixtfti): Likewise.
5371         (__fixunstfti): Likewise.
5372         (__floattitf): Likewise.
5374         * config/ia64/libgcc-glibc.ver: New.
5375         * config/ia64/t-fprules-softfp: Likewise.
5376         * config/ia64/sfp-machine.h: Likewise.
5378         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5379         (LIBGCC2_TF_CEXT): Likewise.
5380         (TF_SIZE): Likewise.
5381         (TARGET_INIT_LIBFUNCS): Likewise.
5383         * config/ia64/t-glibc (SHLINB_MAPFILES):
5384         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5386 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5388         * config/i386/i386.c (construct_container): Rewrite processing
5389         BLKmode with X86_64_SSE_CLASS.
5391 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
5393         PR target/39152
5394         * config/i386/i386.md: Replace simplify_replace_rtx with
5395         replace_rtx in the new peephole2.
5397 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
5399         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5400         loop unrolling do not happen at -O2.
5402 2009-02-12  Michael Matz  <matz@suse.de>
5404         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5406 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5408         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5409         for -g3.
5411 2009-02-12  Ben Elliston  <bje@au.ibm.com>
5413         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5414         patterns when updating the back chain.  Missed in the 2009-02-10
5415         change.
5417 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
5419         * doc/extend.texi (Decimal Floating Types): Update identifier of
5420         draft TR and list of missing support.
5422 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
5424         PR middle-end/39154
5425         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5426         bit to variable length decl's flags, add it also to its
5427         pointer replacement variable.
5429 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
5430             Jakub Jelinek  <jakub@redhat.com>
5432         PR target/39118
5433         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5434         (memory_blockage): New expander.
5435         (*memory_blockage): New insn pattern.
5436         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5437         instead of general blockage at the end of function prologue when
5438         frame pointer is used to access red zone area.  Do not emit blockage
5439         when profiling, it is emitted in generic code.
5440         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5441         function epilogue when frame pointer is used to access red zone area.
5443 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
5445         PR target/38824
5446         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5447         by arithmetic with memory operands.
5448         * config/i386/predicates.md (commutative_operator): New.
5450 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
5452         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5453         bulleted lists.
5455 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5457         * alias.h (record_alias_subset): Declare.
5458         * alias.c (record_alias_subset): Make global.
5460 2009-02-10  Nick Clifton  <nickc@redhat.com>
5462         * tree-parloops.c: Change license to GPLv3.
5463         * ipa-struct-reorg.c: Change license to GPLv3.
5464         * ipa-struct-reorg.h: Change license to GPLv3.
5466 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
5468         PR c/39084
5469         * c-decl.c (start_struct): Return NULL on error.
5471 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
5473         PR middle-end/39124
5474         * cfgloopmanip.c (remove_path): Call remove_bbs after
5475         cancel_loop_tree, not before it.
5477         PR target/39139
5478         * function.h (struct function): Add has_local_explicit_reg_vars bit.
5479         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5480         VAR_DECLs were seen.
5481         * tree-ssa-live.c (remove_unused_locals): Recompute
5482         cfun->has_local_explicit_reg_vars.
5483         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5484         copies or clearings if cfun->has_local_explicit_reg_vars.
5486 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
5488         PR target/39118
5489         * config/i386/i386.c (expand_prologue): Emit blockage at the end
5490         of function prologue when frame pointer is used to access
5491         red zone area.
5493 2009-02-10  Richard Guenther  <rguenther@suse.de>
5495         PR middle-end/39127
5496         * gimplify.c (gimple_regimplify_operands): Always look if
5497         we need to create a temporary.
5499 2009-02-10  Richard Guenther  <rguenther@suse.de>
5501         PR tree-optimization/39132
5502         * tree-loop-distribution.c (todo): New global var.
5503         (generate_memset_zero): Trigger TODO_rebuild_alias.
5504         (tree_loop_distribution): Return todo.
5506 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
5508         PR target/39119
5509         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5510         (x86_64_reg_class_name): Removed.
5511         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
5512         first one isn't X86_64_SSE_CLASS or any other ones aren't
5513         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
5514         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5515         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
5516         and 3 X86_64_SSEUP_CLASS.
5517         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
5518         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5520 2009-02-10  Ben Elliston  <bje@au.ibm.com>
5522         * config/rs6000/rs6000.md (allocate_stack): Always use an update
5523         form instruction to update the stack back chain word, even if the
5524         user has disabled the generation of update instructions.
5525         (movdi_<mode>_update_stack): New.
5526         (movsi_update_stack): Likewise.
5527         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5528         always use an update form instruction to update the stack back
5529         chain word.
5531 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
5533         PR middle-end/38953
5534         * graphite.c (if_region_set_false_region): After moving a region in
5535         the false branch of a condition, remove the empty dummy basic block.
5536         (gloog): Remove wrong fix for PR38953.
5538 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5540         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5541         generation due to implicit sign extension.
5543 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
5545         PR middle-end/38981
5546         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5547         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5549 2009-02-09  Richard Guenther  <rguenther@suse.de>
5551         PR middle-end/35202
5552         * convert.c (convert_to_real): Disable (float)fn((double)x)
5553         to fnf(x) conversion if errno differences may occur and
5554         -fmath-errno is set.
5556 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
5558         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5559         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5560         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5562 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5564         PR c/35434
5565         * c-common.c (handle_alias_attribute): Disallow attribute for
5566         anything not a FUNCTION_DECL or VAR_DECL.
5568 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
5570         PR c/39035
5571         * real.c (do_compare): Special-case compare of zero against
5572         decimal float value.
5574 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5576         PR c/36432
5577         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5578         as indicating flexible array members unless the field itself is
5579         being declarared as the incomplete array.
5581 2009-02-06  Jan Hubicka  <jh@suse.cz>
5583         PR tree-optimization/38844
5584         * ipa-inline.c (try_inline): Stop inlining recursion when edge
5585         is already inlined.
5587 2009-02-06  Richard Guenther  <rguenther@suse.de>
5589         PR middle-end/38977
5590         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5591         fork because we may expand it as __gcov_fork.
5593 2009-02-06  Nick Clifton  <nickc@redhat.com>
5595         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5597 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
5599         PR tree-optimization/35659
5600         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5601         vn_phi_eq): Shortcut if hashcode does not match.
5602         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5603         NULL operands.
5604         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5605         and avoid iterative_hash_expr.
5606         (FOR_EACH_VALUE_ID_IN_SET): New.
5607         (value_id_compare): Remove.
5608         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5609         sort expressions by value id.
5611 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
5613         PR target/38991
5614         * config/sh/predicates.md (general_movsrc_operand): Don't check
5615         the subreg of system registers here.
5617 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
5619         PR c++/39106
5620         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5621         on the copied decl.
5623 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
5625         PR rtl-optimization/39110
5626         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5627         addresses, not aligned ones.
5629 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
5630             Richard Guenther  <rguenther@suse.de>
5632         PR tree-optimization/39100
5633         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5634         comment says and add edges.
5636 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
5638         PR c/35435
5639         * c-common.c (handle_tls_model_attribute): Ignore attribute for
5640         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5642 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
5644         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5645         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5646         register_bb_in_sese, new_sese, free_sese): Moved.
5647         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5648         outermost_loop_in_scop, build_scop_iteration_domain,
5649         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5650         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5651         Use loop_in_sese_p instead of loop_in_scop_p.
5652         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5653         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5654         (scopdet_basic_block_info): Fix bug in scop detection.
5655         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5656         eq_loop_to_cloog_loop): Remove.
5657         (nb_loops_around_loop_in_scop, nb_loop
5658         ref_nb_loops): Moved here...
5659         * graphite.h (ref_nb_loops): ... from here.
5660         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5661         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5662         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5663         * testsuite/gcc.dg/graphite/scop-19.c: New
5665 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
5666             Hans-Peter Nilsson  <hp@axis.com>
5668         PR rtl-optimization/37889
5669         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5670         Move offset handling from PLUS to before the switch.  Use new
5671         arguments when considering SYMBOL_REFs too.
5672         (rtx_addr_can_trap_p): Pass dummy offset and size.
5673         (enum may_trap_p_flags): Remove.
5674         (may_trap_p_1): Pass size from MEM_SIZE.
5676         PR rtl-optimization/38921
5677         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5678         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5679         * rtlanal.c (may_trap_after_code_motion_p): Delete.
5680         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5682 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
5684         AVX Programming Reference (January, 2009)
5685         * config/i386/sse.md (*vpclmulqdq): New.
5687 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
5689         PR tree-optimization/38977
5690         PR gcov-profile/38292
5691         * calls.c (special_function_p): Disregard __builtin_ prefix.
5693 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
5695         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5696         non-indexable addresses even before reload.
5698 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5700         PR c/29129
5701         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5702         as having variable size.  Do not give an error for unnamed
5703         parameters with [*] declarators.  Give a warning for type names
5704         with [*] declarators and mark them as variable size.
5705         * c-parser.c (c_parser_sizeof_expression): Do not give an error
5706         for sizeof applied to [*] type names.
5708 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5710         PR C++/36607
5711         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5713 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5715         * gcc.c (process_command): Update copyright notice dates.
5716         * gcov.c (print_version): Likewise.
5717         * gcov-dump.c (print_version): Likewise.
5718         * mips-tfile.c (main): Likewise.
5719         * mips-tdump.c (main): Likewise.
5721 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5723         PR c/35433
5724         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5725         for composite type involving a zero-length array type.
5727 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5729         PR target/35318
5730         * function.c (match_asm_constraints_1): Skip over
5731         initial optional % in the constraint.
5733         PR inline-asm/39059
5734         * c-parser.c (c_parser_postfix_expression): If fixed point is not
5735         supported, don't accept FIXED_CSTs.
5736         * c-decl.c (finish_declspecs): Error if fixed point is not supported
5737         and _Sat is used without _Fract/_Accum.  Set specs->type to
5738         integer_type_node for cts_fract/cts_accum if fixed point is not
5739         supported.
5741 2009-02-02  Catherine Moore  <clm@codesourcery.com>
5743         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5745 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
5747         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5748         (ABI_HAS_64BIT_SYMBOLS): Use it.
5749         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5751 2009-02-02  Paul Brook  <paul@codesourcery.com>
5753         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5755 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
5757         PR inline-asm/39058
5758         * recog.h (asm_operand_ok): Add constraints argument.
5759         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
5760         recurse on matching constraint.
5761         (check_asm_operands): Pass constraints as 3rd argument to
5762         asm_operand_ok.  Don't look up matching constraint here.
5763         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5764         to asm_operand_ok.
5766 2009-02-02  Ben Elliston  <bje@au.ibm.com>
5768         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5769         TARGET_NARROW_VOLATILE_BITFIELD macro names.
5771 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5773         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5774         information.  Remove some obsolete information.  Reorganize.
5776         * config/pa/fptr.c: Revert license to GPL 2.
5777         * config/pa/milli64.S: Likewise.
5779 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5781         PR target/38904
5782         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
5783         LIBRARY name in, instead of hard-coding it.
5784         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
5785         extra target make frag to tmake_files according to EH model.
5786         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
5787         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
5788         frags that define makefile variable EH_MODEL appropriately.
5789         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
5790         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
5791         to "-sjlj" according to type of EH configured.
5792         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5793         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
5794         to "_sjlj" according to type of EH configured.
5795         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5796         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
5797         (SHLIB_LINK):  Add missing semicolon to if-else construct.
5798         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5799         string value of "pe_dll" command-line option.
5800         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
5801         (SHLIB_SONAME):  Use it when overriding t-cygming default.
5802         (SHLIB_IMPLIB):  Override t-cygming default.
5803         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5804         string value of "pe_dll" command-line option.
5806 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5808         PR target/38952
5809         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5810         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5812 2009-01-31  Richard Guenther  <rguenther@suse.de>
5814         PR tree-optimization/38937
5815         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5816         computing the transitive closure.
5818 2009-01-30  Richard Guenther  <rguenther@suse.de>
5820         PR tree-optimization/39041
5821         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5822         Propagate variable indices only if the types match for this stmt.
5824 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
5826         PR target/39013
5827         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5828         inline but never defined.
5830 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
5832         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5833         (*insv_h_di_reg_extimm): New insn.
5834         (*insv_l<mode>_reg_extimm): New insn.
5836 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5838         * config/picochip/picochip.c (flag_conserve_stack): set
5839         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5840         fconserve-stack. Reduce call-overhead used by inliner.
5842 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5844         PR/38157
5845         * common.opt (flag_conserve_stack): Initialised to zero.
5847 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
5849         PR/39002
5850         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5851         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5852         method.
5854 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
5856         * ira-color.c (allocno_reload_assign): Update comments.
5857         * regmove.c (regmove_optimize): Likewise.
5859         * ra.h: Removed.
5861 2009-01-29  Robert Millan  <rmh@aybabtu.com>
5863         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5864         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
5865         `MD_UNWIND_SUPPORT'.
5866         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5868 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
5870         PR tree-optimization/39007
5871         * tree-loop-distribution.c (generate_builtin): Use
5872         recompute_dominator to compute the immediate dominator of the
5873         basic block just after the loop.
5875 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5877         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5878         (ASM_OUTPUT_DWARF_PCREL): Define.
5880 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
5882         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5883         * doc/passes.texi: Remove entries about regclass, local-alloc, and
5884         global.  Modify entries about regmove and IRA.
5886         * ra-conflict.c: Remove the file.
5888         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5890         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5891         (pass_regclass_init): Rename to pass_reginfo_init.
5893         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5895         * toplev.h (flag_ira): Remove.
5897         * caller-save.c (setup_save_areas): Remove flag_ira.
5899         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5901         * global.c: Remove the file.
5903         * opts.c (decode_options): Remove flag_ira.
5905         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5907         * regmove.c: Modify file description.
5908         (find_use_as_address, try_auto_increment): Define them only if
5909         AUTO_INC_DEC is defined.
5910         (replacement_quality, replace_in_call_usage, fixup_match_1,
5911         stable_and_no_regs_but_for_p): Remove.
5912         (reg_set_in_bb): Make it static.
5913         (regmove_optimize): Remove flag_ira and code which worked for
5914         !flag_ira.
5916         * local-alloc.c: Remove the file.
5918         * common.opt (fira): Remove.
5920         * ira.c: Include except.h.
5921         (eliminable_regset): Move from global.c.
5922         (mark_elimination): Ditto.  Remove flag_ira.
5923         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5924         equiv_mem_modified, validate_equiv_mem_from_store,
5925         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5926         contains_replace_regs, memref_referenced_p, memref_used_between_p,
5927         no_equiv, recorded_label_ref): Move from local-alloc.c.
5928         (update_equiv_regs): Ditto.  Make it static.
5929         (print_insn_chain, print_insn_chains): Move it from global.c.
5930         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
5931         (build_insn_chain): Ditto.  Make it static.
5932         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
5933         Rename to init_live_subregs.
5934         (gate_ira): Remove flag_ira.
5936         * regclass.c: Rename reginfo.c.  Change file description.
5937         (FORBIDDEN_INC_DEC_CLASSES): Remove.
5938         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5939         (init_reg_sets_1): Remove code for evaluation of
5940         reg_class_superclasses and losing_caller_save_reg_set.
5941         (init_regs): Remove init_reg_autoinc.
5942         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5943         ok_for_base_p_nonstrict): Remove.
5944         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
5945         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
5946         corresponding entries.
5947         (dump_regclass, record_operand_costs, scan_one_insn,
5948         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5949         record_address_regs, auto_inc_dec_reg_p): Remove.
5950         (gt-regclass.h): Rename to gt-reginfo.h.
5952         * rtl.h (dump_global_regs, retry_global_alloc,
5953         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5955         * Makefile.in (RA_H): Remove.
5956         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5957         Rename regclass.o to reginfo.o.
5958         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
5959         gt-reginfo.h.
5960         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5961         (GTFILES): Rename regclass.c to reginfo.c.
5963         * passes.c (init_optimization_passes): Remove pass_local_alloc and
5964         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
5966         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5967         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5968         Remove flag_ira.
5969         (finish_spills): Ditto.  Remove code for !flag_ira.
5970         
5971 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
5973         PR middle-end/35854
5974         * doc/invoke.texi (rtl debug options): Complete rewrite.
5975         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5976         to auto_inc_dec".
5977         * mode-switching.c (pass_mode_switching): Rename pass from
5978         "mode-sw" to "mode_sw".
5979         * except.c (pass_convert_to_eh_ranges): Rename pass from
5980         "eh-ranges" to "eh_ranges".
5981         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5982         to "subreg1".
5983                 
5984         
5985 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
5986             Alexander Monakov  <amonakov@ispras.ru>
5988         PR middle-end/38857
5989         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5990         register.
5991         (move_exprs_to_boundary): Change return type and pass through
5992         should_move from move_op.  Relax assert.  Update usage ...
5993         (schedule_expr_on_boundary): ... here.  Use should_move instead of
5994         cant_move.
5995         (move_op_orig_expr_found): Indicate that insn was disconnected from
5996         stream.
5997         (code_motion_process_successors): Do not call after_merge_succs
5998         callback if original expression was not found when traversing any of
5999         the branches.
6000         (code_motion_path_driver): Change return type.  Update prototype.
6001         (move_op): Update comment.  Add a new parameter (should_move).  Update
6002         prototype.  Set *should_move based on indication provided by
6003         move_op_orig_expr_found.
6005 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
6007         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
6008         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
6009         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
6010         * config/rs6000/rs6000.c (rs6000_override_options): Default
6011         avoid-indexed-addresses on for Power6, off for everything else.
6012         (avoiding_indexed_address_p): New function.
6013         (rs6000_legitimize_address): Use it.
6014         (rs6000_legitimate_address): Likewise.
6015         * config/rs6000/rs6000.md (movXX_updateX): Likewise
6017 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
6019         PR tree-optimization/38997
6020         * tree-loop-distribution.c (generate_memset_zero): Use
6021         POINTER_PLUS_EXPR for a pointer addition.
6023 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
6025         * config/s390/s390.md (bswap<mode>2): New pattern added.
6027 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6029         * config/s390/s390.md (*tls_load_31): Added type attribute.
6031 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6033         * config/s390/s390.md: Fix a few comments.
6035 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6037         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6038         (*tm<mode>_full): Fixed z10prop attribute.
6039         (*tst<mode>_extimm): Fixed z10prop attribute.
6040         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6041         (*tstqiCCT_cconly): Fixed z10prop attribute.
6042         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6043         (*movsi_larl): Fixed z10prop attribute.
6044         (*movsi_zarch): Fixed z10prop attribute.
6045         (*movsi_eas): Fixed z10prop attribute.
6046         (*movhi): Fixed z10prop attribute.
6047         (*movqi): Fixed z10prop attribute.
6048         (*movstrictqi): Fixed z10prop attribute.
6049         (*mov<mode>): Fixed z10prop attribute.
6050         (*movcc): Fixed z10prop attribute.
6051         (*sethighpartdi_64): Fixed z10prop attribute.
6052         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6053         (*negdi2_sign_cc): Fixed z10prop attribute.
6054         (*negdi2_sign): Fixed z10prop attribute.
6055         (*absdi2_sign_cc): Fixed z10prop attribute.
6056         (*absdi2_sign): Fixed z10prop attribute.
6057         (*negabsdi2_sign_cc): Fixed z10prop attribute.
6058         (*negabsdi2_sign): Fixed z10prop attribute.
6059         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6060         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6061         (doloop_si64): Fixed z10prop attribute.
6062         (doloop_si31): Fixed z10prop attribute.
6063         (doloop_long): Fixed z10prop attribute.
6064         (indirect_jump): Fixed z10prop attribute.
6065         (nop): Fixed z10prop attribute.
6066         (main_base_64): Fixed z10prop attribute.
6067         (reload_base_64): Fixed z10prop attribute.
6069 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6071         PR rtl-optimization/38740
6072         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6073         if !optimize.
6074         * config/mips/mips.c (mips_reorg): Likewise.
6076 2009-01-28  Richard Guenther  <rguenther@suse.de>
6078         PR tree-optimization/38926
6079         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6080         with the correct value id to a value.
6081         (do_regular_insertion): Use the value number of edoubleprime
6082         for the value number of the expr.
6084         Revert
6085         2008-08-21  Richard Guenther  <rguenther@suse.de>
6087         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6088         a PHI ask VN if it is already available.
6089         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6090         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6092 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6094         PR middle-end/38934
6095         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6096         set to varying whenever max has TREE_OVERFLOW set, similarly
6097         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6099 2009-01-28  Richard Guenther  <rguenther@suse.de>
6101         PR middle-end/38908
6102         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6103         uninitialized aggregate uses in call arguments.
6105 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
6107         PR tree-optimization/38984
6108         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6109         the nothing_id variable if -fno-delete-null-pointer-checks.
6111 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
6113         PR target/38988
6114         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6115         (set_got_offset_rex64): Ditto.
6117 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
6119         PR target/38941
6120         * doc/extend.texi: Improve local variable with asm reg.
6122 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
6124         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6125         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6126         was not supplied then set warn_packed_bitfield_compat to the
6127         default value of 1.
6128         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6129         against 1.
6131 2009-01-27  Richard Guenther  <rguenther@suse.de>
6133         PR tree-optimization/38503
6134         * cfgexpand.c (expand_gimple_basic_block): Ignore
6135         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6136         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6137         variables that cannot have TBAA applied.
6138         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6139         statements.
6141 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
6143         PR middle-end/38969
6144         * calls.c (initialize_argument_information): Do not wrap complex
6145         arguments in SAVE_EXPR.
6147 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
6149         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6150         (INSTALL_LIBGCC): Revert typo commit.
6152 2009-01-26  Richard Guenther  <rguenther@suse.de>
6154         PR tree-optimization/38745
6155         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6156         from special handling.
6158 2009-01-26  Richard Guenther  <rguenther@suse.de>
6160         PR tree-optimization/38745
6161         * tree-ssa.c (execute_update_addresses_taken): Do not include
6162         variables that cannot possibly be a register in not_reg_needs.
6163         Do not clear TREE_ADDRESSABLE on vars that may not become
6164         registers.
6165         * tree-ssa.c (update_alias_info_1): Include those in the set
6166         of addressable vars.
6168 2009-01-26  Richard Guenther  <rguenther@suse.de>
6170         PR middle-end/38851
6171         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6172         * tree-ssa-dse.c: Include langhooks.h
6173         (execute_simple_dse): Remove stores with zero size.
6175 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
6177         PR c/38957
6178         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6179         as PLUS_EXPR.
6181 2009-01-24  Julian Brown  <julian@codesourcery.com>
6183         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6184         config/arm/linux-atomic.c.
6185         * config/arm/linux-atomic.c: New.
6187 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
6189         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6190         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6191         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6193 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
6195         PR c/38938
6196         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6197         properly.
6199 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6201         PR tree-optimization/38953
6202         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6203         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6204         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6205         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6206         changed the CFG.
6208 2009-01-24  Paul Brook  <paul@codesourcery.com>
6210         * config/arm/neon.md (neon_type): Move to arm.md.
6211         (neon_mov<VSTRUCT>): Add neon_type attribute.
6212         * config/arm/arm.md (neon_type): Move to here.
6213         (conds): Add "unconditioal" and use as default for NEON insns.
6215 2009-01-24  Ben Elliston  <bje@au.ibm.com>
6217         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6218         void *' warning from -Wc++-compat.
6219         * Makefile.in (dominance.o-warn): Remove.
6221 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
6223         PR tree-optimization/38932
6224         * fold-const.c (fold_unary_ignore_overflow): New.
6225         * tree.h (fold_unary_ignore_overflow): Declare.
6226         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6227         * tree-ssa-sccvn.c (visit_reference_op_load,
6228         simplify_unary_expression): Likewise.
6230 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
6232         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6233         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
6234         regardless of their type.
6235         * c-common.c (handle_packed_attribute): Don't ignore packed on
6236         bitfields.
6237         * c.opt (Wpacked-bitfield-compat): New warning option.
6238         * stor-layout.c (place_field): Warn if offset of a field changed.
6239         * doc/extend.texi (packed): Mention the ABI change.
6240         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6241         (Warning Options): Add it to the list.
6243 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
6245         * c-opts.c (c_common_post_options): Fix a typo in comments.
6247 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
6249         PR middle-end/38615
6250         * gimplify.c (gimplify_init_constructor): Fix promotion of const
6251         variables to static.
6252         * doc/invoke.texi (-fmerge-all-constants): Update description.
6254 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
6256         PR target/38931
6257         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6258         (*movdi_1_rex64): Use type "mmx" for alternative 5.
6260 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
6262         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6263         a word boundary.
6264         (LOCAL_ALIGNMENT): Similarly.
6266 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6267             Joseph Myers  <joseph@codesourcery.com>
6269         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6270         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6271         * config/arm/arm-tune.md: Regenerate.
6272         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6273         -march=iwmmxt2.
6275 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6277         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6278         version number to five.
6280 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
6282         PR c++/38930
6283         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6284         * c-common.c (set_underlying_type): Likewise.
6285         (is_typedef_decl ): Likewise
6286         * tree.h: Likewise
6287         (set_underlying_type): Likewise.
6288         (is_typedef_type): Likewise.
6290 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
6292         PR middle-end/38587
6293         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6294         crossing setjmps.
6296 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
6298         PR bootstrap/37660
6299         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
6300         (LIBGCC_SPEC):  Don't define.
6301         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
6303 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
6305         PR rtl-optimization/38879
6306         * alias.c (base_alias_check): Unaligned access via AND address can
6307         alias all surrounding object types except those with sizes equal
6308         or wider than the size of unaligned access.
6310 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
6312         PR c++/26693
6313         * c-decl.c (clone_underlying_type): Move this ...
6314         * c-common.c (set_underlying_type): ... here.
6315         Also, make sure the function properly sets TYPE_STUB_DECL() on
6316         the newly created typedef variant type.
6317         (is_typedef_decl ): New entry point.
6318         * tree.h: Added a new member member_types_needing_access_check to
6319         struct tree_decl_non_common.
6320         (set_underlying_type): New entry point.
6321         (is_typedef_type): Likewise.
6323 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
6325         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6326         Check whether two instructions have memory references that
6327         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
6328         are helper functions for traversing.
6329         * alias.h (insn_alias_sets_confilict_p): New prototypes.
6330         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6331         not to draw dependency edge for instructions with non-conflicting
6332         alias sets.
6334 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
6336         PR other/38758
6337         * longlong.h: Update copyright years.  Use soft-fp license notice.
6338         Sync __clz_tab declaration with glibc.
6340 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
6342         PR target/30687
6343         * doc/extend.texi (syscall_linkage): New.
6344         (version_id): Modify.
6346 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6347             Richard Guenther  <rguenther@suse.de>
6349         PR tree-optimization/38747
6350         PR tree-optimization/38748
6351         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6352         conversion if the base address is an indirect reference and the
6353         aliasing sets could cause issues.
6355 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6357         * common.opt (fgraphite, fgraphite-identity): Add comment for 
6358         explaining why these options are not documented.
6360 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6362         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6363         gimple_call_lhs is NULL.
6365 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
6367         PR target/38868
6368         * emit-rtl.c (adjust_address_1): Make sure memref is never
6369         overwritten.
6371 2009-01-20  Ben Elliston  <bje@au.ibm.com>
6373         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6374         const qualifier from arg parameter. Remove unnecessary cast to char *.
6375         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6376         const qualifier from arg 2.
6378 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
6380         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6382 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
6384         PR c/38869
6385         * rtl.h (reinit_regs): New prototype.
6386         * regclass.c: Include ira.h.
6387         (reinit_regs): New.
6388         * Makefile.in (regclass.o): Add ira.h.
6389         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6391 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
6393         PR target/38736
6394         * c-common.c (handle_aligned_attribute): Use
6395         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6396         default alignment value.
6398         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6400         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6401         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6403         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
6404         __BIGGEST_ALIGNMENT__.
6406         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6408 2009-01-18  Richard Guenther  <rguenther@suse.de>
6410         PR tree-optimization/38819
6411         * tree-flow.h (operation_could_trap_helper_p): Declare.
6412         * tree-eh.c (operation_could_trap_helper_p): Export.
6413         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6414         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6415         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6416         are about to insert a possibly trapping instruction and fail
6417         in this case.
6419 2009-01-18  Andreas Schwab  <schwab@suse.de>
6421         * doc/install.texi (Configuration): Remove obsolete paragraph
6422         about use of --with-gnu-ld with --with-gnu-as.
6424 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
6426         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6427         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6428         Follow spelling conventions.
6430 2009-01-18  Ben Elliston  <bje@au.ibm.com>
6432         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6433         C++ warning about implicit conversion from void * to struct
6434         bitmap_head_def *.
6435         (bitmap_obstack_free): Likewise for bitmap_element *.
6436         * Makefile.in (bitmap.o-warn): Remove.
6438 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
6440         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
6442 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
6443             Tobias Grosser  <tobi.grosser@amd.com>
6445         * graphite.c (graphite_trans_scop_block): Do not block single
6446         nested loops.
6448 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
6450         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6451         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6452         test with assertion.
6454 2009-01-16  Richard Guenther  <rguenther@suse.de>
6456         PR tree-optimization/38835
6457         PR middle-end/36227
6458         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6459         and INT + PTR -> (INT)(PTR p+ INT) folding.
6460         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6462 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
6464         PR target/38554
6465         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6466         the subreg from a lowpart subreg if it is also casting the value.
6468 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6469             Tobias Grosser  <tobi.grosser@amd.com>
6471         * graphite.c (compare_prefix_loops): New.
6472         (build_scop_canonical_schedules): Rewritten.
6473         (graphite_transform_loops): Move build_scop_canonical_schedules
6474         after build_scop_iteration_domain.
6476 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6477             Tobias Grosser  <tobi.grosser@amd.com>
6479         * graphite.c (add_conditions_to_domain): Add the loops to 
6480         the dimension of the iteration domain.  Do copy the domain
6481         only when it exists.
6482         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6483         (add_conditions_to_constraints): New.
6484         (can_generate_code_stmt, can_generate_code): Removed.
6485         (gloog): Do not call can_generate_code.
6486         (graphite_transform_loops): Call add_conditions_to_constraints
6487         after building the iteration domain.
6489 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
6491         PR tree-optimization/38789
6492         * tree-ssa-threadedge.c
6493         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6494         __builtin_constant_p.
6496 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
6498         * dce.c (delete_unmarked_insns): Reversed the order that insns are
6499         examined before deleting them.
6500         
6501 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
6503         * function.c (aggregate_value_p): Correctly extract the function
6504         type from CALL_EXPR_FN lookup.
6506 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
6508         * config/picochip/picochip.c (picochip_override_options): Revert
6509         CFI asm flag disable commited previously.
6511 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6512             Tobias Grosser  <tobi.grosser@amd.com>
6513             Jan Sjodin  <jan.sjodin@amd.com>
6515         * graphite.c (scan_tree_for_params): On substractions negate
6516         all the coefficients of the term.
6517         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6518         of more than two operands.
6519         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6520         (get_vdef_before_scop): Handle also the case of default definitions.
6522 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
6524         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6525         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6526         Also use them when walking CALL_INSN_FUNCTION_USAGE.
6528 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
6529             Joey Ye  <joey.ye@intel.com>
6531         PR middle-end/37843
6532         * cfgexpand.c (expand_stack_alignment): Don't update stack
6533         boundary nor check incoming stack boundary here.
6534         (gimple_expand_cfg): Update stack boundary and check incoming
6535         stack boundary here.
6537 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
6539         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6540         
6541 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
6543         PR rtl-optimization/38245
6544         * calls.c (expand_call): Add stack arguments to
6545         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6546         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6547         in regs and partially in memory or BLKmode arguments.
6548         (emit_library_call_value_1): Add stack arguments to
6549         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6550         ACCUMULATE_OUTGOING_ARGS).
6551         * dce.c: Include tm_p.h.
6552         (find_call_stack_args): New function.
6553         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
6554         argument.
6555         (mark_insn): Call find_call_stack_args for CALL_Ps.
6556         (prescan_insns_for_dce): Walk insns backwards in bb rather than
6557         forwards.  Allocate and free arg_stores bitmap if needed, pass it
6558         down to deletable_insn_p, don't mark stores set in arg_stores
6559         bitmap, clear the bitmap at the beginning of each bb.
6560         * Makefile.in (dce.o): Depend on $(TM_P_H).
6562 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
6564         PR target/22599
6565         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6566         to make sure the insn is a conditional test (bug 22599).  Reformat a
6567         few long lines.
6569 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6571         PR middle-end/38431
6572         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6573         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6574         (gloog): Do not call cleanup_tree_cfg.
6575         (graphite_transform_loops): Call cleanup_tree_cfg after all 
6576         scops have been code generated.
6578 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
6579         * doc/gty.texi (Invoking the garbage collector): Added new node
6580         and section documenting ggc_collect.
6582 2009-01-14  Richard Guenther  <rguenther@suse.de>
6584         PR tree-optimization/38826
6585         PR middle-end/38477
6586         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6587         initialization notes only if we actually emitted a warning.
6588         (intra_create_variable_infos): Add constraints for a result decl
6589         that is passed by hidden reference.
6590         (build_pred_graph): Mark all related variables non-direct on
6591         address-taking.
6593 2009-01-14  Nick Clifton  <nickc@redhat.com>
6595         * ira-conflicts.c: Include addresses.h for the definition of
6596         base_reg_class.
6597         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6598         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6600 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
6602         PR target/38811
6603         * Makefile.in (ira-lives.o): Add except.h.
6605         * ira-lives.c: Include except.h.
6606         (process_bb_node_lives): Process can_throw_internal.
6608 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
6610         PR rtl-optimization/38774
6611         * combine.c (simplify_set): When undoing cc_use change, don't do
6612         PUT_CODE on the newly created comparison, but instead put back the
6613         old comparison.
6615 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
6617         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6618         values.  Remove duplicate arm8 entry.
6620 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6622         PR tree-optimization/38786
6623         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6624         the SSA_NAME case of expand_scalar_variables_expr.
6625         Set the type of an expression to the type of its assign statement.
6626         (expand_scalar_variables_expr): Also gather the scalar computation
6627         used to index the memory access.  Do not pass loop_p.
6628         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6629         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6630         the gimple_stmt_iterator where it inserts new code.
6631         Do not pass loop_p.
6632         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6633         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6635 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6637         * graphite.h (debug_value): Removed.
6638         * graphite.c (debug_value): Removed.
6640 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6642         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6643         ldrd/strd with two 32-bit instructions.
6645 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6647         * config/arm/arm.c (struct processors): Pass for speed down into
6648         cost helper functions.
6649         (const_ok_for_op): Handle COMPARE and inequality nodes.
6650         (arm_rtx_costs_1): Rewrite.
6651         (arm_size_rtx_costs): Update prototype.
6652         (arm_rtx_costs): Pass speed down to helper functions.
6653         (arm_slowmul_rtx_costs): Rework cost calculations.
6654         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6655         (arm_9e_rtx_costs): Likewise.
6657 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
6659         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6660         relocations of local symbols wider than UNITS_PER_WORD are not valid.
6661         (alpha_legitimize_address): Do not split local symbols wider than
6662         UNITS_PER_WORD into HIGH/LO_SUM parts.
6664 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
6666         PR bootstrap/38580
6667         * gcc.c (process_command): Replace call to execvp with calls
6668         to pex_one and exit.
6670 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
6672         PR target/29141
6673         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6674         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6675         variant for devices with 3-byte PC.
6676         (__tablejump_elpm__): New.
6678 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6680         PR c/32041
6681         * c-parser.c (c_parser_postfix_expression): Allow `->' in
6682         offsetof member-designator, handle it as `[0].'.
6684 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6686         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6687         function when not using named sections on targets with named sections
6688         if branch distance is less than 262132.
6690 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
6692         * combine.c (combine_instructions):  Recompute
6693         optimize_this_for_speed_p  for each BB in the main combine loop.
6695 2009-01-12  Tomas Bily  <tbily@suse.cz>
6697         PR middlend/38385
6698         * tree-loop-distribution.c (prop_phis): New function.
6699         (generate_builtin): Call prop_phis.
6700         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6702 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6704         PR tree-optimization/38807
6705         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6706         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6708 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
6710         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6711         subreg of op0 to the original op0.
6713 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
6715         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6716         
6717 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
6719         PR debug/7055
6720         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6721         starting with digits.
6723 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
6725         PR target/38695
6726         * config/arm/arm.c (arm_is_long_call_p): Don't call
6727         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6729 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
6731         * regrename.c (regrename_optimize): Fix dumping.
6732         (find_oldest_value_reg): Preserve REG_POINTER.
6733         (copy_hardreg_forward_1): Likewise.
6735 2009-01-09  Diego Novillo  <dnovillo@google.com>
6737         * gimple.h (struct gimple_statement_base) <uid>: Document
6738         the restrictions on its use.
6739         (gimple_uid): Tidy.
6740         (gimple_set_uid): Tidy.
6742 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6744         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6745         zero guard even if align_bytes != 0 and count is smaller than
6746         size_needed.
6748 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
6750         PR rtl-optimization/38495
6751         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6752         (add_range_and_copies_from_move_list): Print all added ranges.
6753         Add ranges to memory optimized destination.
6755 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6757         PR target/38686
6758         PR target/38708
6759         * config/i386/i386.c (override_options): Reject
6760         -mstringop-strategy=rep_8byte with -m32.
6761         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6762         to 1.  Do count comparison against epilogue_size_needed at compile
6763         time even when count_exp was constant forced into register.  For
6764         size_needed don't jump to epilogue, instead just avoid aligning
6765         and invoke the body algorithm.  If need_zero_guard, add zero guard
6766         even if count is non-zero, but smaller than size_needed + number of
6767         bytes that could be stored for alignment.
6768         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6769         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
6770         but smaller than size_needed + number of bytes that could be stored
6771         for alignment.  Compare size_needed with epilogue_size_needed instead
6772         of desired_align - align, don't adjust size_needed, pass
6773         epilogue_size_needed to the epilogue expanders.
6775         PR c/35742
6776         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6778 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6780         * pa.c (last_address): Change to unsigned.
6781         (update_total_code_bytes): Change argument to unsigned.  Don't
6782         check if insn addresses are set.
6783         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6784         addresses are not set.
6785         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6787 2009-01-09  Nick Clifton  <nickc@redhat.com>
6789         * config/sh/symbian.c: Replace uses of DECL_INLINE with
6790         DECL_DECLARED_INLINE_P.
6792 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6794         PR middle-end/38347
6795         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6796         GET_MODE (op0) in operand_subword_force calls.
6798         PR middle-end/38771
6799         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6800         fold_convert arg0 operands to TREE_TYPE (op0) first.
6802 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
6804         * params.def (ira-max-conflict-table-size): Decrease default value
6805         to 1000.
6807 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
6809         PR tree-optimization/37031
6810         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6811         on parameter_set.
6812         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6813         allocate it using gc instead of heap, use VEC_quick_push instead of
6814         VEC_safe_push.
6815         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6816         instead of heap, use VEC_quick_push instead of VEC_safe_push.
6817         * tree-data-ref.h (struct access_matrix): Change matrix to gc
6818         allocated vector from heap allocated.
6819         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6820         * tree-loop-linear.c (linear_transform_loops): Allocate nest
6821         vector only after perfect_loop_nest_depth call.
6823 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6824             Jan Sjodin  <jan.sjodin@amd.com>
6826         PR tree-optimization/38559
6827         * graphite.c (debug_value, copy_constraint,
6828         swap_constraint_variables, scale_constraint_variable, ): New.
6829         (get_lower_bound, get_upper_bound): Removed.
6830         (graphite_trans_bb_strip_mine): Clean up this code that works
6831         only for constant number of iterations.  Fully copy upper and
6832         lower bound constraints, not only the constant part of them.
6833         * graphite.h (debug_value): Declared.
6835 2009-01-08  Ira Rosen  <irar@il.ibm.com>
6837         PR tree-optimization/37194
6838         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6839         Don't add the cost of cost model guard in prologue to scalar 
6840         outside cost in case of known number of iterations.
6842 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
6843             Alan Modra  <amodra@bigpond.net.au>
6845         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6846         non-word-aligned REG+CONST addressing.
6848 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6850         PR target/38706
6851         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6852         free_after_compilation when outputting a thunk.
6853         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6854         Do not call free_after_compilation here.
6856 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6858         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6859         (ix86_valid_target_attribute_inner_p): Ditto.
6861 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
6863         PR tree-optimization/38492
6864         PR tree-optimization/38498
6865         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6866         * tree-chrec.h (scev_is_linear_expression): Declared.
6867         * graphite.c (graphite_cannot_represent_loop_niter): New.
6868         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6869         (graphite_loop_normal_form): Use gcc_assert.
6870         (scan_tree_for_params): Use CASE_CONVERT.
6871         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6872         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6873         Use gcc_assert.  Discard scops that contain unhandled cases.
6874         (build_scop_conditions): Return a boolean status for unhandled cases.
6875         (strip_mine_profitable_p): Print the loop number, not its depth.
6876         (is_interchange_valid): Pass the depth of the loop nest, don't
6877         recompute it wrongly.
6878         (graphite_trans_bb_block): Same.
6879         (graphite_trans_bb_block): Print tentative of loop blocking.
6880         (graphite_trans_scop_block): Do not print that the loop has been
6881         blocked.
6882         (graphite_transform_loops): Do not handle scops that contain condition
6883         scalar phi nodes.
6885 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
6887         AVX Programming Reference (December, 2008)
6888         * config/i386/avxintrin.h (_mm256_stream_si256): New.
6889         (_mm256_stream_pd): Likewise.
6890         (_mm256_stream_ps): Likewise.
6892         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6893         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6894         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6895         (bdesc_special_args): Add __builtin_ia32_movntdq256,
6896         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6897         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6898         (ix86_expand_special_args_builtin): Likewise.
6900         * config/i386/sse.md (AVXMODEDI): New.
6901         (avx_movnt<mode>): Likewise.
6902         (avx_movnt<mode>): Likewise.
6903         (<sse>_movnt<mode>): Remove AVX support.
6904         (sse2_movntv2di): Likewise.
6906 2009-01-07  Richard Guenther  <rguenther@suse.de>
6908         PR middle-end/38751
6909         * fold-const.c (extract_muldiv): Remove obsolete comment.
6910         (fold_plusminus_mult_expr): Undo MINUS_EXPR
6911         to PLUS_EXPR canonicalization for the canonicalization.
6913 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
6915         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6916         hosted cross-compilers generating less efficient code.
6918 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6920         * function.h (rtl_data): Add a dbr_scheduled_p field.
6921         * reorg.c (dbr_schedule): Set it.
6922         (gate_handle_delay_slots): Check it.
6923         * config/mips/mips.c (mips_base_delayed_branch): Delete.
6924         (mips_reorg): Check flag_delayed_branch instead of
6925         mips_base_delayed_branch.
6926         (mips_override_options): Don't set mips_base_delayed_branch
6927         or flag_delayed_branch.
6929 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6931         PR rtl-optimization/38426.
6932         * ira.c (ira): Set current_function_is_leaf earlier.
6934 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
6936         PR rtl-optimization/38722
6937         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6938         too early, only set a flag and modify after last possible
6939         undo_all point.
6941 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
6943         PR c/34252
6944         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6945         * real.c (decimal_single_format): Correct values of emin and emax.
6946         (decimal_double_format): Ditto.
6947         (decimal_quad_format): Ditto.
6948         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6949         computation of DECnn_MIN and DECnn_MAX for corrected values of
6950         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
6951         __DECnn_MIN__, and adjust its computation for the corrected value
6952         of emin.
6954 2009-01-06  Jan Hubicka  <jh@suse.cz>
6956         PR target/38744
6957         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6959 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
6961         * doc/contrib.texi (Contributors): Slightly adjust the end note.
6962         Add Robert Clark to the list of testers.
6964 2009-01-06  Jan Hubicka  <jh@suse.cz>
6965             Kai Tietz  <kai.tietz@onevision.com>
6967         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6968         * config/i386/i386.c (ix86_expand_call): Add clobbers.
6970 2009-01-06  Jan Hubicka  <jh@suse.cz>
6971             Kai Tietz  <kai.tietz@onevision.com>
6973         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6974         for w64 ABI.
6975         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6976         (ix86_nsaved_regs): Count only general purpose regs.
6977         (ix86_nsaved_sseregs): New.
6978         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6979         to 16 for w64; compute padding and size of sse reg save area.
6980         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6981         general purpose regs.
6982         (ix86_emit_save_sse_regs_using_mov): New.
6983         (ix86_expand_prologue): Save SSE regs if needed.
6984         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6985         (ix86_emit_restore_sse_regs_using_mov): New.
6986         (ix86_expand_epilogue): Save SSE regs if needed.
6988 2009-01-06  Jan Hubicka  <jh@suse.cz>
6989             Kai Tietz  <kai.tietz@onevision.com>
6991         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6992         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6993         functions when accumulate outgoing args is off.
6995 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
6997         PR bootstrap/38742
6998         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6999         before using pseudos_have_intersected_live_ranges_p.
7001         * ira-int.h (ira_assert): Always define.
7003 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7005         AVX Programming Reference (December, 2008)
7006         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
7007         (_mm256_permute2_pd): Likewise.
7008         (_mm_permute2_ps): Likewise.
7009         (_mm256_permute2_ps): Likewise.
7010         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
7011         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
7013         * config/i386/i386.c (ix86_builtins): Remove
7014         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
7015         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
7016         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
7017         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
7018         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
7019         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
7020         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
7021         __builtin_ia32_vpermil2ps256.
7022         (ix86_init_mmx_sse_builtins): Updated.
7023         (ix86_expand_args_builtin): Likewise.
7025 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7027         * pa.c (output_call): Relocate non-jump insns in the delay slot of
7028         long absolute calls when generating PA 2.0 code.
7030 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
7032         PR rtl-optimization/38583
7033         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7035         * params.def (ira-max-conflict-table-size): New.
7037         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7038         
7039         * ira.h (ira_conflicts_p): New external definition.
7040         
7041         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7042         table.  Report this.  Return result of building.
7043         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
7044         building conflict table.
7046         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7047         (ira_color): Use ira_conflicts_p.
7048         
7049         * global.c: Include ira.h.
7050         (pseudo_for_reload_consideration_p, build_insn_chain): Use
7051         ira_conflicts_p.
7053         * Makefile.in (global.o): Add ira.h.
7054         
7055         * ira-build.c (mark_all_loops_for_removal,
7056         propagate_some_info_from_allocno): New.
7057         (remove_unnecessary_allocnos): Call
7058         propagate_some_info_from_allocno.
7059         (remove_low_level_allocnos): New.
7060         (remove_unnecessary_regions): Add parameter.  Call
7061         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
7062         parameter to remove_unnecessary_regions.
7063         (ira_build): Remove all regions but root if the conflict table was
7064         not built.  Update conflict hard regs for allocnos crossing calls.
7066         * ira.c (ira_conflicts_p): New global.
7067         (ira): Define and use ira_conflicts_p.
7069         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7070         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7071         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7072         
7073 2009-01-06  Ben Elliston  <bje@au.ibm.com>
7075         * gengtype-lex.l (YY_NO_INPUT): Define.
7077 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7079         PR c/34911
7080         * c-common.c (handle_vector_size_attribute): Also reject
7081         BOOLEAN_TYPE types.
7083 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
7085         PR tree-optimization/38492
7086         * graphite.c (rename_map_elt, debug_rename_elt,
7087         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7088         rename_map_elt_info, eq_rename_map_elts,
7089         get_new_name_from_old_name, bb_in_sese_p): Moved around.
7090         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7091         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7092         (sese_build_livein_liveouts): New.
7093         (new_sese, free_sese): New.
7094         (new_scop): Call new_sese.
7095         (free_scop): Call free_sese.
7096         (rename_variables_from_edge, rename_phis_end_scop): Removed.
7097         (register_old_new_names): Renamed register_old_and_new_names.
7098         (register_scop_liveout_renames, add_loop_exit_phis,
7099         insert_loop_close_phis, struct igp,
7100         default_liveout_before_guard, add_guard_exit_phis,
7101         insert_guard_phis, copy_renames): New.
7102         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7103         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7104         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7105         (scop_adjust_phis_for_liveouts): New.
7106         (gloog): Call scop_adjust_phis_for_liveouts.
7108         * graphite.h (struct sese): Documented.  Added fields liveout,
7109         num_ver and livein.
7110         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7111         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7112         (struct scop): Added field liveout_renames.
7113         (SCOP_LIVEOUT_RENAMES): New.
7115 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7117         PR tree-optimization/38510
7118         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7119         (translate_clast): Call recompute_all_dominators before
7120         graphite_verify.
7121         (gloog): Call recompute_all_dominators before graphite_verify.
7123 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7124             Jan Sjodin  <jan.sjodin@amd.com>
7126         PR tree-optimization/38500
7127         * graphite.c (create_sese_edges): Call fix_loop_structure after
7128         splitting blocks.
7130 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
7132         * config.gcc: Add m32r*-*-rtems*.
7133         * config/m32r/rtems.h: New file.
7135 2009-01-05  Ben Elliston  <bje@au.ibm.com>
7137         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7138         (.po.pox): Likewise.
7139         (po/gcc.pot): Likewise.
7141 2009-01-04  David S. Miller  <davem@davemloft.net>
7143         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7144         (STARTING_FRAME_OFFSET): Always set to zero.
7146 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7148         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7149         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7150         fixed-point types, and vectors of the same.
7152 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7154         * config/mips/sync.md (*mb_barrier): Rename to...
7155         (*memory_barrier): ...this.
7157 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
7159         * doc/extend.texi (Function Attributes): Move @cindex after @item
7160         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7161         and put in alphabetical order. Fix 'target' name and put in order.
7162         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7163         typos.
7165 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
7167         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7168         (memory_barrier): Expand as unspec instead of unspec_volatile.
7169         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7170         (*memory_barrier): Define as unspec instead of unspec_volatile.
7171         Use (match_dup 0) as input operand.
7173         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7174         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7175         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
7176         scratch register.  Remove operand 1.
7177         (*stbar): Define as unspec instead of unspec_volatile.
7178         Use (match_dup 0) as input operand, remove (const_int 8).
7179         (*membar): Define as unspec instead of unspec_volatile.
7180         Use (match_dup 0) as input operand, remove input operand 2.
7182         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7183         (memory_barrier): Expand as unspec instead of unspec_volatile.
7184         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7185         (*memory_barrier): Define as unspec instead of unspec_volatile.
7186         Use (match_dup 0) as input operand.
7188         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7189         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7190         Set volatile flag on operand 0.
7191         (*memory_barrier): New insn pattern.
7193         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7194         insn operands.
7195         (*memory_barrier): Use (match_dup 0) as input operand.
7197         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7198         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7199         Set volatile flag on operand 0.
7200         (*mb_internal): New insn pattern.
7202         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7204 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7206         PR middle-end/38586
7207         * function.c (struct temp_slot): Move to the section of the file
7208         that deals with temp slots.  Remove field 'address'.
7209         (temp_slot_address_table): New hash table of address -> temp slot.
7210         (struct temp_slot_address_entry): New struct, items for the table.
7211         (temp_slot_address_compute_hash, temp_slot_address_hash,
7212         temp_slot_address_eq, insert_temp_slot_address): Support functions
7213         for the new table.
7214         (find_temp_slot_from_address): Rewrite to use the new hash table.
7215         (remove_unused_temp_slot_addresses): Remove addresses of temp
7216         slots that have been made available.
7217         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7218         worker function for remove_unused_temp_slot_addresses.
7219         (assign_stack_temp_for_type): Don't clear the temp slot address list.
7220         Add the temp slot address to the address -> temp slot map.
7221         (update_temp_slot_address): Update via insert_temp_slot_address.
7222         (free_temp_slots): Call remove_unused_temp_slot_addresses.
7223         (pop_temp_slots): Likewise.
7224         (init_temp_slots): Allocate the address -> temp slot map, or empty
7225         the map if it is already allocated.
7226         (prepare_function_start): Initialize temp slot processing.
7228 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7230         PR middle-end/38584
7231         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7232         Calculate the size of all stack vars assuming no packing of stack
7233         vars will happen, replacing a quadratic algorithm with a linear one.
7235 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7237         PR target/38707
7238         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7239         can't be used.
7241 2009-01-03  Diego Novillo  <dnovillo@google.com>
7243         * doc/contrib.texi: Update contributions.
7245 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7247         PR c++/38705
7248         * builtins.c (fold_builtin_memory_op): Give up if either operand
7249         is volatile.  Set srctype or desttype to non-qualified version
7250         of the other type.
7252         PR c/38700
7253         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7254         and FUNCTION_DECLs.
7256 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
7258         PR rtl-optimization/35805
7259         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7260         problem if fast dce is able to remove any instructions.
7261         * dce.c (dce_process_block): Fix dump message.
7262         
7263 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
7265         PR 33649
7266         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7268 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
7270         PR middle-end/38690
7271         * tree-flow.h (op_code_prio, op_prio): New prototypes.
7272         * tree-pretty-print.c (op_code_prio): New function.
7273         (op_prio): No longer static.  Use op_code_prio.
7274         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7275         Use op_prio and op_code_prio to determine if () should be
7276         printed around operand(s) or not.
7278         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7279         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7280         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7281         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7282         pp_character instead of pp_string for single letter printing.
7284 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
7286         * doc/extend.texi: Fix '#pragma GCC option' typo.
7288 2009-01-02  Richard Guenther  <rguenther@suse.de>
7290         * doc/install.texi (--enable-checking): Mention different
7291         default for stage1.
7292         (--enable-stage1-checking): Document.
7294 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
7296         PR middle-end/30142
7297         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
7298         case to be an error.
7300 2009-01-02  Ben Elliston  <bje@au.ibm.com>
7302         * config/fp-bit.h (pack_d): Constify argument.
7303         * config/fp-bit.c (makenan): Constify return type. Remove casts.
7304         (isnan): Constify argument.
7305         (isinf): Likewise.
7306         (iszero): Likewise.
7307         (pack_d): Likewise.
7308         (_fpadd_parts): Constify return type.
7309         (_fpmul_parts): Likewise.
7310         (_fpdiv_parts): Likewise.
7312 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
7314         PR c/36489
7315         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
7316         warn about overwriting initializer with side-effects or
7317         -Woverride-init if !IMPLICIT.
7318         (output_init_element): Likewise.  Pass IMPLICIT down to
7319         add_pending_init.
7320         (process_init_element): Add IMPLICIT argument.  Pass it down
7321         to output_init_element.
7322         (push_init_element, pop_init_level, set_designator): Adjust
7323         process_init_element callers.
7324         (set_nonincremental_init, set_nonincremental_init_from_string):
7325         Adjust add_pending_init callers.
7326         (output_pending_init_elements): Adjust output_init_element callers.
7327         * c-tree.h (process_init_element): Adjust prototype.
7328         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7329         process_init_element callers.