sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
[official-gcc.git] / gcc / ChangeLog
blob5aad48d23443d730257a065c5154bec7ea293a16
1 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
3         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
5 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
7         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
8         (CMPtype): Define as __gcc_CMPtype.
10 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
12         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
13         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
15 2009-04-17  Richard Guenther  <rguenther@suse.de>
17         PR tree-optimization/39746
18         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
19         special-casing for builtins and static variable use/def.
20         (call_may_clobber_ref_p_1): Likewise.
22 2009-04-16  Ian Lance Taylor  <iant@google.com>
24         * df.h: Include "timevar.h".
25         (struct df_problem): Change tv_id field to timevar_id_t.
26         * tree-pass.h: Include "timevar.h".
27         (struct opt_pass): Change tv_id field to timevar_id_t.
28         * timevar.h (timevar_id_t): Define TV_NONE.
29         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
30         TV_NONE rather than tv_id != 0.
31         (execute_one_pass): Likewise.
32         * Makefile.in (DF_H): Add $(TIMEVAR_H).
33         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
34         dependencies to $(TREE_PASS_H).
35         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
36         to TV_NONE.
37         (pass_branch_target_load_optimize2): Likewise.
38         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
39         (pass_outof_cfg_layout_mode): Likewise.
40         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
41         (pass_rebuild_cgraph_edges): Likewise.
42         (pass_remove_cgraph_callee_edges): Likewise.
43         * df-core.c (pass_df_initialize_opt): Likewise.
44         (pass_df_initialize_no_opt): Likewise.
45         (pass_df_finish): Likewise.
46         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
47         * except.c (pass_set_nothrow_function_flags): Likewise.
48         (pass_convert_to_eh_region_ranges): Likewise.
49         * final.c (pass_compute_alignments): Likewise.
50         * function.c (pass_instantiate_virtual_regs): Likewise.
51         (pass_init_function): Likewise.
52         (pass_leaf_regs): Likewise.
53         (pass_match_asm_constraints): Likewise.
54         * gimple-low.c (pass_lower_cf): Likewise.
55         (pass_mark_used_blocks): Likewise.
56         * init-regs.c (pass_initialize_regs): Likewise.
57         * integrate.c (pass_initial_value_sets): Likewise.
58         * ira.c (pass_ira): Likewise.
59         * jump.c (pass_cleanup_barriers): Likewise.
60         * omp-low.c (pass_expand_omp): Likewise.
61         (pass_lower_omp): Likewise.
62         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
63         * recog.c (pass_split_all_insns): Likewise.
64         (pass_split_after_reload): Likewise.
65         (pass_split_before_regstack): Likewise.
66         (pass_split_before_sched2): Likewise.
67         (pass_split_for_shorten_branches): Likewise.
68         * reginfo.c (pass_reginfo_init): Likewise.
69         (pass_subregs_of_mode_init): Likewise.
70         (pass_subregs_of_mode_finish): Likewise.
71         * passes.c (pass_postreload): Likewise.
72         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
73         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
74         (pass_warn_function_return): Likewise.
75         (pass_warn_function_noreturn): Likewise.
76         * tree-complex.c (pass_lower_complex): Likewise.
77         (pass_lower_complex_O0): Likewise.
78         * tree-if-conv.c (pass_if_conversion): Likewise.
79         * tree-into-ssa.c (pass_build_ssa): Likewise.
80         * tree-mudflap.c (pass_mudflap_1): Likewise.
81         (pass_mudflap_2): Likewise.
82         * tree-nomudflap.c (pass_mudflap_1): Likewise.
83         (pass_mudflap_2): Likewise.
84         * tree-nrv.c (pass_return_slot): Likewise.
85         * tree-object-size.c (pass_object_sizes): Likewise.
86         * tree-optimize.c (pass_all_optimizations): Likewise.
87         (pass_early_local_passes): Likewise.
88         (pass_all_early_optimizations): Likewise.
89         (pass_cleanup_cfg): Likewise.
90         (pass_cleanup_cfg_post_optimizing): Likewise.
91         (pass_free_datastructures): Likewise.
92         (pass_free_cfg_annotations): Likewise.
93         (pass_fixup_cfg): Likewise.
94         (pass_init_datastructures): Likewise.
95         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
96         (pass_late_warn_uninitialized): Likewise.
97         (pass_update_address_taken): Likewise.
98         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
99         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
100         (pass_cse_sincos): Likewise.
101         (pass_convert_to_rsqrt): Likewise.
102         * tree-ssa-structalias.c (pass_build_alias): Likewise.
103         * tree-stdarg.c (pass_stdarg): Likewise.
104         * tree-tailcall.c (pass_tail_recursion): Likewise.
105         (pass_tail_calls): Likewise.
106         * tree-vect-generic.c (pass_lower_vector): Likewise.
107         (pass_lower_vector_ssa): Likewise.
108         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
110 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
112         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
113         XLR entry.
114         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
115         Handle -march=xlr.
116         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
117         logical and signext.
119 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
121         PR target/39767
122         * config/sh/predicates.md (arith_operand): Check if the operand
123         of TRUNCATE is a REG.
125 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
127         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
128         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
130 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
132         * tree-iterator.c (tsi_split_statement_list_after,
133         tsi_split_statement_list_before): Remove.
134         * tree-iterator.h: Remove the prototypes for
135         tsi_split_statement_list_after and tsi_split_statement_list_before.
137 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
139         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
140         * tree-ssa-propagate.h: Remove the prototype for
141         stmt_makes_single_load.
143 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
145         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
146         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
148 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
150         * tree-iterator.c (EXPR_LAST_BODY): Remove.
152 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
154         * except.c (eh_region_outer_p): Remove.
155         * except.h: Remove the prototype for eh_region_outer_p.
157 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
159         * function.c (current_function_assembler_name): Remove.
160         * function.h: Remove the prototype for
161         current_function_assembler_name.
163 2009-04-16  Ian Lance Taylor  <iant@google.com>
165         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
166         (add_reg_note): Call alloc_reg_note.
167         * rtl.h (alloc_reg_note): Declare.
168         * combine.c (try_combine): Use alloc_reg_note.
169         (recog_for_combine, move_deaths): Likewise.
170         (distribute_notes): Use alloc_reg_note and add_reg_note.
171         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
172         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
173         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
175 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
177         PR rtl-optimization/39762
178         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
179         ira_may_move_out_cost): Add comments about way of their usage.
180         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
181         
182         * ira-conflicts.c (process_regs_for_copy): Use function
183         ira_get_register_move_cost instead of global
184         ira_register_move_cost.
186         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
187         color_pass, move_spill_restore, update_curr_costs): Ditto.
189         * ira-lives.c (process_single_reg_class_operands): Ditto.
191         * ira-emit.c (emit_move_list): Ditto.
193         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
194         (record_reg_classes): Ditto.  Use functions
195         ira_get_register_move_cost and ira_get_may_move_cost instead of
196         global vars ira_register_move_cost, ira_may_move_out_cost and
197         ira_may_move_in_cost.
198         (record_address_regs): Don't call ira_init_register_move_cost.
199         Use function ira_get_may_move_cost instead of global
200         ira_may_move_in_cost.
201         (process_bb_node_for_hard_reg_moves): Use function
202         ira_get_register_move_cost instead of global ira_register_move_cost.
203         (ira_costs): Don't call ira_init_register_move_cost.
204         
205 2009-04-16  Richard Guenther  <rguenther@suse.de>
207         * tree-cfg.c (verify_gimple_assign_binary):
208         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
209         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
210         (create_general_new_stmt): Note that this function is broken.
212 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
214         * common.opt (fhelp): Add Var(help_flag).
215         * gcc-plugin.h (plugin_info): Add help.
216         * plugin.c (plugin_name_args): Add help.
217         (register_plugin_info): Set plugin->help.
218         (print_help_one_plugin): New.
219         (print_plugins_help): New.
220         * plugin.h (print_plugins_help): New.
221         * toplev.c (toplev_main): Call print_plugins_help if needed.
223 2009-04-16  Richard Guenther  <rguenther@suse.de>
225         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
226         (gimple_ior_addresses_taken_1): New function.
227         (gimple_ior_addresses_taken): Likewise.
228         * gimple.h (struct gimple_statement_with_ops_base): Remove
229         addresses_taken member.
230         (gimple_ior_addresses_taken): Declare.
231         (gimple_addresses_taken, gimple_addresses_taken_ptr,
232         gimple_set_addresses_taken): Remove.
233         * ipa-reference.c (mark_address): New function.
234         (scan_stmt_for_static_refs): Use it for marking addresses taken.
235         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
236         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
237         (gimple_add_to_addresses_taken): Remove.
238         (get_tmr_operands): Call mark_address_taken.
239         (get_asm_expr_operands): Likewise.
240         (get_expr_operands): Likewise.
241         (build_ssa_operands): Do not clear the addresses_taken bitmap.
242         (free_stmt_operands): Do not free it.
243         * tree-ssa.c (delete_tree_ssa): Likewise.
244         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
246 2009-04-16  Richard Guenther  <rguenther@suse.de>
248         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
249         (walk_stmt_load_store_ops): Likewise.
250         * gimple.c (get_base_loadstore): New function.
251         (walk_stmt_load_store_addr_ops): Likewise.
252         (walk_stmt_load_store_ops): Likewise.
253         * ipa-pure-const.c (check_op): Simplify.
254         (check_load, check_store): New functions.
255         (check_stmt): Use walk_stmt_load_store_ops.
256         * ipa-reference.c (mark_load): Adjust signature.
257         (mark_store): Likewise.
258         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
260 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
262         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
263         (plugin_info): New.
264         * opts.c (common_handle_option): Don't call print_version.
265         * plugin.c (plugin_name_args): Add version.
266         (register_plugin_info): New.
267         (register_callback): Handle PLUGIN_INFO.
268         (try_init_one_plugin): New.
269         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
270         if failed to init.
271         (finalize_one_plugin): New.
272         (finalize_plugins): New.
273         (print_one_plugin): New.
274         (print_plugins_versions): New.
275         * plugin.h (print_plugins_versions): New.
276         (finalize_plugins): New.
277         * toplev.c (compile_file): Don't call initialize_plugins.
278         (print_version): Call print_plugins_versions.
279         (toplev_main): Call initialize_plugins. Print version if needed.
280         Call finalize_plugins.
282 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
284         * common.opt (fversion): New.
285         * gcc.c (print_version): New.
286         (process_command): Don't print the version. Just set print_version.
287         (main): Print version. Call subprocesses if print_version and
288         verbose_flag are set.
289         * opts.c (common_handle_option): Handle OPT_fversion.
291 2009-04-16  Richard Guenther  <rguenther@suse.de>
292             Ira Rosen  <irar@il.ibm.com>
294         PR tree-optimization/39698
295         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
296         type of the reduction variable.  Only generate the def if
297         it is needed.
299         * omp-low.c (expand_omp_for_generic): When converting to a pointer
300         make sure to first convert to an integer of the same precision.
301         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
302         the type of the evolution correctly in computing the new
303         induction variable base.
305 2009-04-16  Richard Guenther  <rguenther@suse.de>
307         PR middle-end/39625
308         * tree-cfg.c (make_blocks): Split statements with to-be
309         abnormal SSA names on the lhs.
311 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
313         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
314         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
315         * c-typeck.c (really_start_incremental_init): Likewise.
316         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
317         (TARGET_INITIALIZER): Remove it.
318         * target.h (struct target): Remove vector_opaque_p.
319         * tree.c (build_opaque_vector_type): New.
320         * tree.h (TYPE_VECTOR_OPAQUE): New.
321         (build_opaque_vector_type): Declare.
322         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
323         * config/rs6000/rs6000.c (build_opaque_vector_type,
324         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
325         (rs6000_init_builtins): Use build_opaque_vector_type for
326         opaque_V4SI_type_node.
328 2009-04-15  Catherine Moore  <clm@codesourcery.com>
330         * debug.h (set_name):  Declare.
331         * dwarf2out.c (dwarf2out_set_name): Declare.
332         (dwarf2_debug_hooks): Add set_name.
333         (find_AT_string): New.
334         (add_AT_string): Call find_AT_string.
335         (dwarf2out_set_name): New.
336         * cp/decl.c (grokdeclarator): Call set_name.
337         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
338         * debug.c (do_nothing_debug_hooks):  Likewise.
339         * dbxout.c (dbx_debug_hooks): Likewise.
340         * sdbout.c (sdb_debug_hooks): Likewise.
342 2009-04-15  Michael Eager <eager@eagercon.com>
344         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
345         reg for single-precision FPU.
346         * config/rs6000/rs6000.md (movsi_internal1): Only for
347         !TARGET_SINGLE_FPU.
348         (movsi_internal1_single): New. Add pattern to move SI values to/from
349         single-precision FP regs.
351 2009-04-15  Richard Guenther  <rguenther@suse.de>
353         * omp-low.c (lower_rec_input_clauses): Build correct address
354         expressions.
355         (expand_omp_for_generic): Fix multiplication type.
356         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
357         (generate_memset_zero): Fix types.
358         * tree-profile.c (prepare_instrumented_value): Correctly
359         widen a pointer.
361 2009-04-15  Ian Lance Taylor  <iant@google.com>
363         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
364         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
365         for -Wall and for -Wc++-compat.
366         (c_common_post_options): For C++, set warn_enum_compare if not
367         already set.
368         * c-tree.h (struct c_expr): Add field original_type.
369         (build_external_ref): Update declaration.
370         * c-parser.c (c_parser_braced_init): Set original_type.
371         (c_parser_initelt): Likewise.
372         (c_parser_expr_no_commas): Likewise.
373         (c_parser_conditional_expression): Likewise.
374         (c_parser_cast_expression): Likewise.
375         (c_parser_unary_expression): Likewise.  Pull setting of
376         original_code to top of function.
377         (c_parser_sizeof_expression): Set original_type.
378         (c_parser_alignof_expression): Likewise.
379         (c_parser_postfix_expression): Likewise.  Pull setting of
380         original_code to top of function.
381         (c_parser_postfix_expression_after_paren_type): Set original_type.
382         (c_parser_postfix_expression_after_primary): Likewise.
383         (c_parser_expression): Likewise.
384         * c-typeck.c (build_external_ref): Add type parameter.  Change all
385         callers.
386         (c_expr_sizeof_expr): Set original_type field.
387         (parser_build_unary_op): Likewise.
388         (parser_build_binary_op): Likewise.  Optionally warn about
389         comparisons of enums of different types.
390         (digest_init): Set original_type field.
391         (really_start_incremental_init): Likewise.
392         (push_init_level, pop_init_level): Likewise.
393         * doc/invoke.texi (Warning Options): -Wenum-compare now
394         supported in C.
396 2009-04-15  Richard Guenther  <rguenther@suse.de>
398         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
399         out a necessary conversion.
400         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
401         names we didn't value number.
402         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
404 2009-04-15  Richard Guenther  <rguenther@suse.de>
406         PR tree-optimization/39764
407         * tree-ssa-ccp.c (get_value): Canonicalize value with
408         canonicalize_float_value.
410 2009-04-15  Jan Hubicka  <jh@suse.cz>
412         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
413         Wrong version of patch.
415 2009-04-15  Jan Hubicka  <jh@suse.cz>
417         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
419 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
421         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
422         our distinct integral and vector types.
424 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
426         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
427         * init.c (build_vtbl_address): Remove call to assemble_external.
429 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
431         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
432         output for other floating point modes.
434 2009-04-14  Diego Novillo  <dnovillo@google.com>
436         * diagnostic.c (diagnostic_report_diagnostic): Do not
437         warn about loaded plugins for DK_ERROR and DK_WARNING.
438         * c-decl.c (declspecs_add_type): Move call to
439         invoke_plugin_callbacks ...
440         * c-parser.c (c_parser_declspecs): ... here.
441         * plugin.c (dump_active_plugins): Tidy output.
443 2009-04-14  Diego Novillo  <dnovillo@google.com>
444             Le-Chun Wu  <lcwu@google.com>
446         * configure.ac: Add --enable-plugin support.
447         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
448         * Makefile.in (PLUGIN_H): Define.
449         Export ENABLE_PLUGIN and GMPINC to site.exp.
450         Add PLUGINLIBS to link command.
451         Add/modify dependencies for plugin.o and files including plugin.h.
452         (plugin.o): New.
453         * config.in: Regenerate.
454         
455         * opts.c (common_handle_option): Handle OPT_fplugin_ and
456         OPT_fplugin_arg_.
458 2009-04-14  Le-Chun Wu  <lcwu@google.com>
460         * tree-pass.h (register_one_dump_file): Add a prototype for
461         register_one_dump_file.
462         * toplev.c (compile_file): Call initialize_plugins.
463         (do_compile): Call invoke_plugin_callbacks.
464         (toplev_main): Call invoke_plugin_callbacks.
465         * common.opt: Add -fplugin= and -fplugin-arg-.
466         * gcc-plugin.h: New public header file for plugins to include.
467         * plugin.c: New source file.
468         * plugin.h: New internal header file.
469         * passes.c (register_one_dump_file): Make it external.
470         
471         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
473 2009-04-14  Diego Novillo  <dnovillo@google.com>
475         * doc/plugins.texi: New.
476         * doc/gccint.texi: Add reference to Plugins chapter.
477         * doc/invoke.texi: Document -fplugin and -fplugin-arg
478         * diagnostic.c (diagnostic_report_diagnostic): Warn about
479         loaded plugins, if any.
480         * timevar.def (TV_PLUGIN_INIT): Define.
481         (TV_PLUGIN_RUN): Define.
482         * plugin.c: Include timevar.h
483         (plugins_active_p): New.
484         (dump_active_plugins): New.
485         (debug_active_plugins): New.
487 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
489         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
490         library paths.
491         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
493 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
495         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
496         the same as a minus without a shift.
498 2009-04-14  Nick Clifton  <nickc@redhat.com>
500         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
501         comparisons with small integers will always produce a short
502         branch.
504 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
506         Merge:
507         2008-12-19  Diego Novillo  <dnovillo@google.com>
509         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
511 2000-04-14  Richard Guenther  <rguenther@suse.de>
513         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
514         verification.
515         (verify_gimple_assign_binary): Likewise.  Handle shifts and
516         rotates correctly.
517         (verify_gimple_phi): Print the mismatched argument position.
518         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
519         Fix types.
520         (vect_update_init_of_dr): Likewise.
521         * matrix-reorg.c (transform_access_sites): Do what the
522         comment suggests.
523         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
525 2009-04-13  Michael Eager <eager@eagercon.com>
527         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
528         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
529         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
530         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
531         remove duplicate config
533 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
535         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
536         file_name:line_number type locator of the call site.
537         
538 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
540         * genautomata.c: Put blank after comma.
541         (automaton_decls): New.
542         (struct unit_usage): Add comments to member next.
543         (store_alt_unit_usage): Keep the list ordered.
544         (unit_present_on_list_p, equal_alternatives_p): New.
545         (check_regexp_units_distribution): Check units distribution
546         correctness correctly.
547         (main): Don't write automata if error is found.  Return correct
548         exit code.
549         
550         * config/m68k/cf.md (cfv4_ds): Remove.
551         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
552         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
554         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
555         power4-load-ext, power4-store, power4-store-update,
556         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
557         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
558         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
559         power4-sqrt, power4-isync): Modify reservation to make correct
560         unit distribution to automata.
562         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
563         power5-store-update, power5-two, power5-three, power5-lmul,
564         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
565         
566 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
568         * except.c (pass_set_nothrow_function_flags): Set name and add
569         TODO_dump_func.
570         (set_nothrow_function_flags): Mention in the dump file when
571         changing a function to nothrow.
573 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
575         PR/39066
576         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
577         instead of unsigned long.
579 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
581         * config/arm/arm.c (return_used_this_function): Remove.
582         (arm_output_function_prologue): Remove use of
583         return_used_this_function.
584         (output_return_instruction): Replace use of
585         return_used_this_function
586         by cfun->machine->return_used_this_function.
587         (arm_output_epilogue): Likewise.
588         (arm_output_function_epilogue): Likewise.
589         (thumb_unexpanded_epilogue): Likewise.
590         * config/arm/arm.h (struct machine_function):
591         New member return_used_this_function.
593 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
595         * doc/install.texi: Correct description of default directory for
596         --with-gxx-include-dir.
598 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
600         * fold-const.c (build_range_check): Properly deal with enumeral and
601         boolean base types.
603 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
605         * doc/invoke.texi (max_gcse_passes): Remove documentation.
606         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
607         * params.h (MAX_GCSE_PASSES): Remove.
608         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
609         in sequence.  Remove ability to run multiple passes.
610         (bypass_jumps): Report run as third CPROP pass.
612 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
614         PR middle-end/39651
615         * except.c (can_throw_external): Look at each insn in a SEQUENCE
616         when deciding whether the whole SEQUENCE can throw.
618 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
620         PR target/39740
621         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
622         offseted label references.
624 2009-04-11  Jan Hubicka  <jh@suse.cz>
626         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
628 2009-04-11  Richard Guenther  <rguenther@suse.de>
630         PR middle-end/39732
631         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
632         return variables as TREE_ADDRESSABLE.
634 2009-04-11  Richard Guenther  <rguenther@suse.de>
636         PR tree-optimization/39713
637         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
638         reference trees have SSA_NAME operands.
640 2009-04-11  Richard Guenther  <rguenther@suse.de>
642         PR c/39712
643         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
644         address expressions.
646 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
648         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
649         match changes in Cygwin 1.7
650         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
651         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
653 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
655         PR tree-optimization/39701
656         * doc/invoke.texi (Optimization Options): Document change in
657         meaning and initialization of -fdelete-null-pointer-checks.
659 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
661         PR middle-end/39701
662         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
664         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
665         here.
667         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
669 2009-04-10  Chao-ying Fu  <fu@mips.com>
671         * doc/tm.texi (Instruction Output): Document
672         TARGET_ASM_FINAL_POSTSCAN_INSN.
673         * target.h (final_postscan_insn): New field in asm_out.
674         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
675         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
676         * final.c (final_scan_insn): Call
677         targetm.asm_out.final_postscan_insn after outputting
678         an asm macro and a normal instruction.
680         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
681         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
682         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
683         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
684         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
686 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
688         PR middle-end/39701
689         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
690         variables as non-NULL even with -fdelete-null-pointer-checks.
692 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
694         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
696 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
698         PR target/39678
699         * config/i386/i386.c (classify_argument): Handle SCmode with
700         (bit_offset % 64) != 0.
702 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
704         * doc/invoke.texi (Optimize Options): Add cross-reference to
705         -Q --help=optimizers examples.
707 2009-04-10  Ben Elliston  <bje@au.ibm.com>
709         PR target/36800
710         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
711         regalign for the reg == fpr and TDmode case.
713 2009-04-09  David Ayers  <ayers@fsfe.org>
715         PR objc/29200
716         * objc/objc-act.c (warn_with_method): Remove helper function.
717         (check_duplicates): Call warning and inform directly.
718         (really_start_method): Likewise.
720 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
722         * expmed.c (expand_divmod): Always use a comparison for a division
723         by a large unsigned integer.
725         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
726         for things others than variables or functions as nonzero.
728 2009-04-09  Nick Clifton  <nickc@redhat.com>
730         * unwind-compat.c: Change copyright header to refer to version
731         3 of the GNU General Public License with version 3.1 of the
732         GCC Runtime Library Exception and to point readers at the
733         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
734         * config/alpha/crtfastmath.c: Likewise.
735         * config/alpha/linux-unwind.h: Likewise.
736         * config/alpha/qrnnd.asm: Likewise.
737         * config/alpha/vms-crt0-64.c: Likewise.
738         * config/alpha/vms-crt0.c: Likewise.
739         * config/alpha/vms-dwarf2.asm: Likewise.
740         * config/alpha/vms-dwarf2eh.asm: Likewise.
741         * config/alpha/vms-psxcrt0-64.c: Likewise.
742         * config/alpha/vms-psxcrt0.c: Likewise.
743         * config/alpha/vms_tramp.asm: Likewise.
744         * config/arc/initfini.c: Likewise.
745         * config/arc/lib1funcs.asm: Likewise.
746         * config/arm/bpabi-v6m.S: Likewise.
747         * config/arm/bpabi.S: Likewise.
748         * config/arm/bpabi.c: Likewise.
749         * config/arm/crti.asm: Likewise.
750         * config/arm/crtn.asm: Likewise.
751         * config/arm/ieee754-df.S: Likewise.
752         * config/arm/ieee754-sf.S: Likewise.
753         * config/arm/lib1funcs.asm: Likewise.
754         * config/arm/libunwind.S: Likewise.
755         * config/arm/linux-atomic.c: Likewise.
756         * config/arm/mmintrin.h: Likewise.
757         * config/arm/pr-support.c: Likewise.
758         * config/arm/unaligned-funcs.c: Likewise.
759         * config/arm/unwind-arm.c: Likewise.
760         * config/arm/unwind-arm.h: Likewise.
761         * config/avr/libgcc.S: Likewise.
762         * config/bfin/crti.s: Likewise.
763         * config/bfin/crtlibid.s: Likewise.
764         * config/bfin/crtn.s: Likewise.
765         * config/bfin/lib1funcs.asm: Likewise.
766         * config/bfin/linux-unwind.h: Likewise.
767         * config/cris/arit.c: Likewise.
768         * config/cris/cris_abi_symbol.c: Likewise.
769         * config/darwin-64.c: Likewise.
770         * config/darwin-crt2.c: Likewise.
771         * config/darwin-crt3.c: Likewise.
772         * config/darwin.h: Likewise.
773         * config/dbxelf.h: Likewise.
774         * config/dfp-bit.c: Likewise.
775         * config/dfp-bit.h: Likewise.
776         * config/elfos.h: Likewise.
777         * config/fixed-bit.c: Likewise.
778         * config/fixed-bit.h: Likewise.
779         * config/fp-bit.c: Likewise.
780         * config/fp-bit.h: Likewise.
781         * config/fr30/crti.asm: Likewise.
782         * config/fr30/crtn.asm: Likewise.
783         * config/fr30/lib1funcs.asm: Likewise.
784         * config/freebsd-spec.h: Likewise.
785         * config/frv/cmovd.c: Likewise.
786         * config/frv/cmovh.c: Likewise.
787         * config/frv/cmovw.c: Likewise.
788         * config/frv/frvbegin.c: Likewise.
789         * config/frv/frvend.c: Likewise.
790         * config/frv/lib1funcs.asm: Likewise.
791         * config/glibc-stdint.h: Likewise.
792         * config/h8300/clzhi2.c: Likewise.
793         * config/h8300/crti.asm: Likewise.
794         * config/h8300/crtn.asm: Likewise.
795         * config/h8300/ctzhi2.c: Likewise.
796         * config/h8300/fixunssfsi.c: Likewise.
797         * config/h8300/lib1funcs.asm: Likewise.
798         * config/h8300/parityhi2.c: Likewise.
799         * config/h8300/popcounthi2.c: Likewise.
800         * config/i386/ammintrin.h: Likewise.
801         * config/i386/att.h: Likewise.
802         * config/i386/avxintrin.h: Likewise.
803         * config/i386/biarch64.h: Likewise.
804         * config/i386/bmmintrin.h: Likewise.
805         * config/i386/cpuid.h: Likewise.
806         * config/i386/cross-stdarg.h: Likewise.
807         * config/i386/crtfastmath.c: Likewise.
808         * config/i386/crtprec.c: Likewise.
809         * config/i386/cygming-crtbegin.c: Likewise.
810         * config/i386/cygming-crtend.c: Likewise.
811         * config/i386/cygwin.asm: Likewise.
812         * config/i386/emmintrin.h: Likewise.
813         * config/i386/gmm_malloc.h: Likewise.
814         * config/i386/gthr-win32.c: Likewise.
815         * config/i386/i386.h: Likewise.
816         * config/i386/immintrin.h: Likewise.
817         * config/i386/linux-unwind.h: Likewise.
818         * config/i386/linux64.h: Likewise.
819         * config/i386/mm3dnow.h: Likewise.
820         * config/i386/mmintrin-common.h: Likewise.
821         * config/i386/mmintrin.h: Likewise.
822         * config/i386/nmmintrin.h: Likewise.
823         * config/i386/pmm_malloc.h: Likewise.
824         * config/i386/pmmintrin.h: Likewise.
825         * config/i386/smmintrin.h: Likewise.
826         * config/i386/sol2-c1.asm: Likewise.
827         * config/i386/sol2-ci.asm: Likewise.
828         * config/i386/sol2-cn.asm: Likewise.
829         * config/i386/sol2-gc1.asm: Likewise.
830         * config/i386/tmmintrin.h: Likewise.
831         * config/i386/unix.h: Likewise.
832         * config/i386/w32-unwind.h: Likewise.
833         * config/i386/wmmintrin.h: Likewise.
834         * config/i386/x86-64.h: Likewise.
835         * config/i386/x86intrin.h: Likewise.
836         * config/i386/xmmintrin.h: Likewise.
837         * config/ia64/crtbegin.asm: Likewise.
838         * config/ia64/crtend.asm: Likewise.
839         * config/ia64/crtfastmath.c: Likewise.
840         * config/ia64/crti.asm: Likewise.
841         * config/ia64/crtn.asm: Likewise.
842         * config/ia64/fde-glibc.c: Likewise.
843         * config/ia64/lib1funcs.asm: Likewise.
844         * config/ia64/linux-unwind.h: Likewise.
845         * config/ia64/quadlib.c: Likewise.
846         * config/ia64/unwind-ia64.c: Likewise.
847         * config/linux.h: Likewise.
848         * config/m32c/m32c-lib1.S: Likewise.
849         * config/m32c/m32c-lib2-trapv.c: Likewise.
850         * config/m32c/m32c-lib2.c: Likewise.
851         * config/m32r/initfini.c: Likewise.
852         * config/m68hc11/larith.asm: Likewise.
853         * config/m68hc11/m68hc11-crt0.S: Likewise.
854         * config/m68k/cf.md: Likewise.
855         * config/m68k/crti.s: Likewise.
856         * config/m68k/crtn.s: Likewise.
857         * config/m68k/lb1sf68.asm: Likewise.
858         * config/m68k/linux-unwind.h: Likewise.
859         * config/mcore/crti.asm: Likewise.
860         * config/mcore/crtn.asm: Likewise.
861         * config/mcore/lib1.asm: Likewise.
862         * config/mips/linux-unwind.h: Likewise.
863         * config/mips/loongson.h: Likewise.
864         * config/mips/mips16.S: Likewise.
865         * config/mmix/crti.asm: Likewise.
866         * config/mmix/crtn.asm: Likewise.
867         * config/pa/fptr.c: Likewise.
868         * config/pa/hpux-unwind.h: Likewise.
869         * config/pa/lib2funcs.asm: Likewise.
870         * config/pa/linux-atomic.c: Likewise.
871         * config/pa/linux-unwind.h: Likewise.
872         * config/pa/milli64.S: Likewise.
873         * config/pa/quadlib.c: Likewise.
874         * config/pa/stublib.c: Likewise.
875         * config/picochip/libgccExtras/adddi3.asm: Likewise.
876         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
877         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
878         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
879         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
880         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
881         * config/picochip/libgccExtras/divmod15.asm: Likewise.
882         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
883         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
884         * config/picochip/libgccExtras/longjmp.asm: Likewise.
885         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
886         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
887         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
888         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
889         * config/picochip/libgccExtras/setjmp.asm: Likewise.
890         * config/picochip/libgccExtras/subdi3.asm: Likewise.
891         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
892         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
893         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
894         * config/rs6000/750cl.h: Likewise.
895         * config/rs6000/altivec.h: Likewise.
896         * config/rs6000/biarch64.h: Likewise.
897         * config/rs6000/crtresfpr.asm: Likewise.
898         * config/rs6000/crtresgpr.asm: Likewise.
899         * config/rs6000/crtresxfpr.asm: Likewise.
900         * config/rs6000/crtresxgpr.asm: Likewise.
901         * config/rs6000/crtsavfpr.asm: Likewise.
902         * config/rs6000/crtsavgpr.asm: Likewise.
903         * config/rs6000/darwin-asm.h: Likewise.
904         * config/rs6000/darwin-fallback.c: Likewise.
905         * config/rs6000/darwin-fpsave.asm: Likewise.
906         * config/rs6000/darwin-ldouble.c: Likewise.
907         * config/rs6000/darwin-tramp.asm: Likewise.
908         * config/rs6000/darwin-unwind.h: Likewise.
909         * config/rs6000/darwin-vecsave.asm: Likewise.
910         * config/rs6000/darwin-world.asm: Likewise.
911         * config/rs6000/e500crtres32gpr.asm: Likewise.
912         * config/rs6000/e500crtres64gpr.asm: Likewise.
913         * config/rs6000/e500crtres64gprctr.asm: Likewise.
914         * config/rs6000/e500crtrest32gpr.asm: Likewise.
915         * config/rs6000/e500crtrest64gpr.asm: Likewise.
916         * config/rs6000/e500crtresx32gpr.asm: Likewise.
917         * config/rs6000/e500crtresx64gpr.asm: Likewise.
918         * config/rs6000/e500crtsav32gpr.asm: Likewise.
919         * config/rs6000/e500crtsav64gpr.asm: Likewise.
920         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
921         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
922         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
923         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
924         * config/rs6000/eabi-ci.asm: Likewise.
925         * config/rs6000/eabi-cn.asm: Likewise.
926         * config/rs6000/eabi.asm: Likewise.
927         * config/rs6000/linux-unwind.h: Likewise.
928         * config/rs6000/linux64.h: Likewise.
929         * config/rs6000/paired.h: Likewise.
930         * config/rs6000/paired.md: Likewise.
931         * config/rs6000/ppc64-fp.c: Likewise.
932         * config/rs6000/ppu_intrinsics.h: Likewise.
933         * config/rs6000/rs6000.h: Likewise.
934         * config/rs6000/si2vmx.h: Likewise.
935         * config/rs6000/sol-ci.asm: Likewise.
936         * config/rs6000/sol-cn.asm: Likewise.
937         * config/rs6000/spe.h: Likewise.
938         * config/rs6000/spu2vmx.h: Likewise.
939         * config/rs6000/sysv4.h: Likewise.
940         * config/rs6000/tramp.asm: Likewise.
941         * config/rs6000/vec_types.h: Likewise.
942         * config/s390/linux-unwind.h: Likewise.
943         * config/s390/tpf-unwind.h: Likewise.
944         * config/score/crti.asm: Likewise.
945         * config/score/crtn.asm: Likewise.
946         * config/sh/crt1.asm: Likewise.
947         * config/sh/crti.asm: Likewise.
948         * config/sh/crtn.asm: Likewise.
949         * config/sh/divtab-sh4-300.c: Likewise.
950         * config/sh/divtab-sh4.c: Likewise.
951         * config/sh/divtab.c: Likewise.
952         * config/sh/lib1funcs-4-300.asm: Likewise.
953         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
954         * config/sh/lib1funcs.asm: Likewise.
955         * config/sh/lib1funcs.h: Likewise.
956         * config/sh/linux-atomic.asm: Likewise.
957         * config/sh/linux-unwind.h: Likewise.
958         * config/sh/shmedia.h: Likewise.
959         * config/sh/sshmedia.h: Likewise.
960         * config/sh/ushmedia.h: Likewise.
961         * config/sparc/crtfastmath.c: Likewise.
962         * config/sparc/linux-unwind.h: Likewise.
963         * config/sparc/sol2-c1.asm: Likewise.
964         * config/sparc/sol2-ci.asm: Likewise.
965         * config/sparc/sol2-cn.asm: Likewise.
966         * config/spu/divmodti4.c: Likewise.
967         * config/spu/divv2df3.c: Likewise.
968         * config/spu/float_disf.c: Likewise.
969         * config/spu/float_unsdidf.c: Likewise.
970         * config/spu/float_unsdisf.c: Likewise.
971         * config/spu/float_unssidf.c: Likewise.
972         * config/spu/mfc_multi_tag_release.c: Likewise.
973         * config/spu/mfc_multi_tag_reserve.c: Likewise.
974         * config/spu/mfc_tag_release.c: Likewise.
975         * config/spu/mfc_tag_reserve.c: Likewise.
976         * config/spu/mfc_tag_table.c: Likewise.
977         * config/spu/multi3.c: Likewise.
978         * config/spu/spu_internals.h: Likewise.
979         * config/spu/spu_intrinsics.h: Likewise.
980         * config/spu/spu_mfcio.h: Likewise.
981         * config/spu/vec_types.h: Likewise.
982         * config/spu/vmx2spu.h: Likewise.
983         * config/stormy16/stormy16-lib2.c: Likewise.
984         * config/svr4.h: Likewise.
985         * config/sync.c: Likewise.
986         * config/v850/lib1funcs.asm: Likewise.
987         * config/vxlib-tls.c: Likewise.
988         * config/vxlib.c: Likewise.
989         * config/vxworks-dummy.h: Likewise.
990         * config/xtensa/crti.asm: Likewise.
991         * config/xtensa/crtn.asm: Likewise.
992         * config/xtensa/ieee754-df.S: Likewise.
993         * config/xtensa/ieee754-sf.S: Likewise.
994         * config/xtensa/lib1funcs.asm: Likewise.
995         * config/xtensa/lib2funcs.S: Likewise.
996         * config/xtensa/linux-unwind.h: Likewise.
997         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
998         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
999         * coretypes.h: Likewise.
1000         * crtstuff.c: Likewise.
1001         * defaults.h: Likewise.
1002         * dwarf2.h: Likewise.
1003         * emutls.c: Likewise.
1004         * gbl-ctors.h: Likewise.
1005         * gcov-io.h: Likewise.
1006         * ginclude/float.h: Likewise.
1007         * ginclude/iso646.h: Likewise.
1008         * ginclude/stdarg.h: Likewise.
1009         * ginclude/stdbool.h: Likewise.
1010         * ginclude/stddef.h: Likewise.
1011         * ginclude/stdfix.h: Likewise.
1012         * ginclude/stdint-gcc.h: Likewise.
1013         * ginclude/tgmath.h: Likewise.
1014         * gthr-aix.h: Likewise.
1015         * gthr-dce.h: Likewise.
1016         * gthr-gnat.c: Likewise.
1017         * gthr-gnat.h: Likewise.
1018         * gthr-lynx.h: Likewise.
1019         * gthr-mipssde.h: Likewise.
1020         * gthr-nks.h: Likewise.
1021         * gthr-posix.c: Likewise.
1022         * gthr-posix.h: Likewise.
1023         * gthr-posix95.h: Likewise.
1024         * gthr-rtems.h: Likewise.
1025         * gthr-single.h: Likewise.
1026         * gthr-solaris.h: Likewise.
1027         * gthr-tpf.h: Likewise.
1028         * gthr-vxworks.h: Likewise.
1029         * gthr-win32.h: Likewise.
1030         * gthr.h: Likewise.
1031         * libgcc2.c: Likewise.
1032         * libgcc2.h: Likewise.
1033         * libgcov.c: Likewise.
1034         * tsystem.h: Likewise.
1035         * typeclass.h: Likewise.
1036         * unwind-c.c: Likewise.
1037         * unwind-compat.h: Likewise.
1038         * unwind-dw2-fde-compat.c: Likewise.
1039         * unwind-dw2-fde-darwin.c: Likewise.
1040         * unwind-dw2-fde-glibc.c: Likewise.
1041         * unwind-dw2-fde.c: Likewise.
1042         * unwind-dw2-fde.h: Likewise.
1043         * unwind-dw2.c: Likewise.
1044         * unwind-dw2.h: Likewise.
1045         * unwind-generic.h: Likewise.
1046         * unwind-pe.h: Likewise.
1047         * unwind-sjlj.c: Likewise.
1048         * unwind.inc: Likewise.
1049         * config/arm/neon-gen.ml: Change generated copyright header to
1050         refer to version 3 of the GNU General Public License with
1051         version 3.1 of the GCC Runtime Library Exception and to point
1052         readers at the COPYING3 and COPYING3.RUNTIME files and the
1053         FSF's license web page.
1054         * config/arm/arm_neon.h: Regenerate.
1056 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
1058         * config/cris/cris.md: Change copyright header to refer to version
1059         3 of the GNU General Public License.
1060         * doc/install.texi2html: Change copyright header to refer to version
1061         3 of the GNU General Public License and to point readers at the
1062         COPYING3 file and the FSF's license web page.
1063         * config/vax/linux.h: Likewise.
1065 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1067         * config/i386/i386.md (cmpcc): New.
1068         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1069         (sync_compare_and_swap_cc*): Delete.
1071         * config/s390/s390.c (s390_compare_emitted): Remove.
1072         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1073         s390_compare_emitted used to be handled.  Assert that modes match.
1074         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1075         refer to sync_compare_and_swap_ccsi.
1076         * config/s390/s390.h (s390_compare_emitted): Remove.
1077         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1078         instead of s390_compare_emitted.
1079         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1080         instead of s390_compare_emitted.
1081         * config/s390/s390.md (cmpcc): New.
1082         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1083         CC_REGNUM, do not pretend it's set.
1084         (sync_compare_and_swap_cc*): Delete.
1085         * config/s390/predicates.md (cc_reg_operand): New.
1087         * expr.c (sync_compare_and_swap_cc): Delete.
1088         * optabs.h (sync_compare_and_swap_cc): Delete.
1089         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1090         is being used with can_compare_p.
1091         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1092         (find_cc_set): New.
1093         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1094         look for a MODE_CC set instead.  Use emit_store_flag.
1095         (expand_compare_and_swap_loop): Likewise, with some additional
1096         complication to avoid a force_reg when useless.  Use
1097         emit_cmp_and_jump_insns.
1098         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1099         * doc/md.texi (sync_compare_and_swap_cc): Merge with
1100         sync_compare_and_swap documentation.
1102 2009-04-09  Jan Hubicka  <jh@suse.cz>
1104         * except.c (find_prev_try): Break out from ....
1105         (duplicate_eh_regions): ... here; properly update prev_try pointers
1106         when duplication part of tree.
1107         (dump_eh_tree): Improve dumping.
1108         (verify_eh_region): New.
1109         (verify_eh_tree): Use it.
1111 2009-04-06  Richard Guenther  <rguenther@suse.de>
1113         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1114         &ARRAY addresses by adjusting their types and prepending
1115         a conversion.
1116         * tree-cfg.c (verify_gimple_assign_single): Verify that
1117         addresses are correct.
1119 2009-04-09  Richard Guenther  <rguenther@suse.de>
1121         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1122         indices into an array reference if possible.
1123         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1124         Fold POINTER_PLUS_EXPR statements with invariant address.
1126 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
1128         PR target/39634
1129         * config.gcc (powerpc64-*-linux*): Always build biarch.
1131 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
1133         PR c/39613
1134         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1135         it and pedwarn if this results in an INTEGER_CST.
1137 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1139         * doc/install.texi: Update minimum GMP version.  Remove obsolete
1140         text in MPFR section.
1142 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1144         * dwarf2out.c (class_scope_p): New static inline.
1145         (class_or_namespace_scope_p): Use it.
1146         (gen_variable_die): Use DW_TAG_member tag for static data member
1147         declarations instead of DW_TAG_variable.
1149         PR middle-end/39573
1150         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1151         variables.
1153 2009-04-08  Richard Guenther  <rguenther@suse.de>
1155         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1156         valueize random data.
1158 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
1160         * config.gcc (aix tm_file):  Add aix-stdint.h.
1161         (aix tm clause use_gcc_stdint):  Set to wrap.
1162         * config/rs6000/aix-stdint.h:  New file.
1163         
1164 2009-04-08  Richard Guenther  <rguenther@suse.de>
1166         PR middle-end/36291
1167         * tree-dfa.c (add_referenced_var): Do not recurse into
1168         global initializers.
1169         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1170         exposed variables.
1171         (fold_const_aggregate_ref): Likewise.
1173 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1175         * recog.c (ordered_comparison_operator): New.
1176         * gensupport.c (std_preds): Add it.
1177         * doc/md.texi (Machine-Independent Predicates): Document it.
1179 2009-04-08  Jan Hubicka  <jh@suse.cz>
1181         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1182         * function.h (rtl_eh): Remove exception_handler_label_map.
1183         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1184         remove_exception_handler_label, for_each_eh_label_1): Remove.
1185         (rtl_remove_unreachable_regions): Remove.
1186         (convert_from_eh_region_ranges): Do not remove unreachable regions.
1187         (find_exception_handler_labels): Don't build the hashtable.
1188         (maybe_remove_eh_handler): Remove.
1189         (for_each_eh_label): Rewrite to walk the tree.
1190         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1191         * except.h (maybe_remove_eh_handler): Remove.
1192         * passes.c (init_optimization_passes): Schedule second EH cleanup
1193         before out-of-ssa.
1194         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1195         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1197 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1199         * genoutput.c (validate_optab_operands): New.
1200         (gen_insn, gen_expand): Call it.
1202         * genflags.c (gen_insn): Detect misused iterators.
1203         (main): Pass line_no to gen_insn, exit with status 1 on error.
1205         * genextract.c (line_no): Make global.
1206         (VEC_safe_set_locstr): Change assertion to error message.
1207         (main): Exit with status 1 on error.
1209 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
1211         PR c/39614
1212         PR c/39673
1213         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1214         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1215         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1216         * c-convert.c (convert): Do not call fold on results of conversion
1217         functions when the result is a C_MAYBE_CONST_EXPR.
1218         * c-parser.c (c_parser_postfix_expression): Do not fold condition
1219         of __builtin_choose_expr.
1220         * c-typeck.c (remove_c_maybe_const_expr): New.
1221         (build_unary_op, build_conditional_expr, build_compound_expr,
1222         build_binary_op, c_objc_common_truthvalue_conversion): Call
1223         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1224         integer operands.
1226 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1228         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
1229         CODE to produce a new one. Add a prototype to use fold_convert_const
1231 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
1233         PR bootstrap/39660
1234         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1235         mix declarations and code.
1237 2009-04-08  Ben Elliston  <bje@au.ibm.com>
1239         * gcc.c: Replace `CC' with `GCC' throughout.
1241 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1243         * doc/invoke.texi: Document Atom support.
1245 2009-04-07  Jason Merrill  <jason@redhat.com>
1247         PR c++/25185
1248         * c-common.h, c-common.c: Add flag_pretty_templates.
1249         * c-opts.c (c_common_handle_option): Set it.
1250         * c.opt: Add -fno-pretty-templates.
1251         * doc/invoke.texi (C++ Dialect Options): Likewise.
1253 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
1255         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1256         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1257         (ia64_expand_builtin): Likewise.
1259 2009-04-07  Martin Jambor  <mjambor@suse.cz>
1261         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1262         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1263         ADDR_EXPRS are include too.
1265 2009-04-07  Richard Guenther  <rguenther@suse.de>
1267         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1268         decls are only used if passes as parameters or if they are
1269         local statics and the call is not to a builtin.
1270         (call_may_clobber_ref_p_1): Likewise.
1272 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1274         * expr.c (do_store_flag): Remove last argument.  Simplify code
1275         to avoid duplication of tests already done by can_compare_p.
1276         (expand_expr_real_1): Adjust caller.
1278 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1280         * optabs.c (can_compare_p): Test the predicate of a
1281         cbranch and cstore pattern.
1283 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1285         * expr.c (convert_move): Use emit_store_flag instead of
1286         "emulating" it.
1288 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1290         * config/i386/i386.c (ix86_compare_emitted): Remove.
1291         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1292         ix86_compare_op0 like ix86_compare_emitted used to be handled.
1293         * config/i386/i386.h (ix86_compare_emitted): Remove.
1294         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1295         instead of ix86_compare_emitted.
1296         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1298 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
1300         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1301         Add t-sysroot-suffix to tmake_file.
1302         * config/print-sysroot-suffix.sh: New file.
1303         * config/t-sysroot-suffix: New file.
1305 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1307         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1308         as the latter produces a warning when the target does not support
1309         infinity.
1311 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1313         * dfp.c: Replace type punning assignments with memcpy throughout.
1314         * Makefile.in (dfp.o-warn): Remove.
1315         
1316 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
1318         PR target/39634
1319         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1320         Include soft-fp/t-softfp after rs6000/t-linux64.
1322 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1324         * stor-layout.c (set_sizetype): Use the full precision of their
1325         machine mode for bitsize types.
1327 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
1329         * config/i386/i386.md: Revert 2 accidental checkins.
1331 2009-04-06  Joey Ye  <joey.ye@intel.com>
1332             Xuepeng Guo <xuepeng.guo@intel.com>
1333             H.J. Lu  <hongjiu.lu@intel.com>
1335         Atom pipeline model, tuning and insn selection.
1336         * config.gcc (atom): Add atom config options and target.
1338         * config/i386/atom.md: New.
1340         * config/i386/i386.c (atom_cost): New cost.
1341         (m_ATOM): New macro flag.
1342         (initial_ix86_tune_features): Set m_ATOM.
1343         (x86_accumulate_outgoing_args): Likewise.
1344         (x86_arch_always_fancy_math_387): Likewise.
1345         (processor_target): Add Atom cost.
1346         (cpu_names): Add Atom cpu name.
1347         (override_options): Set Atom ISA.
1348         (ix86_issue_rate): New case PROCESSOR_ATOM.
1349         (ix86_adjust_cost): Likewise.
1351         * config/i386/i386.h (TARGET_ATOM): New target macro.
1352         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1353         (TARGET_OPT_AGU): New target option.
1354         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1355         (processor_type): Add PROCESSOR_ATOM.
1357         * config/i386/i386.md (cpu): Add new value "atom".
1358         (use_carry, movu): New attr.
1359         (atom.md): Include atom.md.
1360         (adddi3_carry_rex64): Set attr "use_carry".
1361         (addqi3_carry): Likewise.
1362         (addhi3_carry): Likewise.
1363         (addsi3_carry): Likewise.
1364         (*addsi3_carry_zext): Likewise.
1365         (subdi3_carry_rex64): Likewise.
1366         (subqi3_carry): Likewise.
1367         (subhi3_carry): Likewise.
1368         (subsi3_carry): Likewise.
1369         (x86_movdicc_0_m1_rex64): Likewise.
1370         (*x86_movdicc_0_m1_se): Likewise.
1371         (x86_movsicc_0_m1): Likewise.
1372         (*x86_movsicc_0_m1_se): Likewise.
1373         (*adddi_1_rex64): Emit add insn as much as possible.
1374         (*addsi_1): Likewise.
1375         (return_internal): Set atom_unit.
1376         (return_internal_long): Likewise.
1377         (return_pop_internal): Likewise.
1378         (*rcpsf2_sse): Set atom_sse_attr attr.
1379         (*qrt<mode>2_sse): Likewise.
1380         (*prefetch_sse): Likewise.
1382         * config/i386/i386-c.c (ix86_target_macros_internal): New case
1383         PROCESSOR_ATOM.
1384         (ix86_target_macros_internal): Likewise.
1386         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1387         (*prefetch_sse_rex): Likewise.
1388         (sse_rcpv4sf2): Likewise.
1389         (sse_vmrcpv4sf2): Likewise.
1390         (sse_sqrtv4sf2): Likewise.
1391         (<sse>_vmsqrt<mode>2): Likewise.
1392         (sse_ldmxcsr): Likewise.
1393         (sse_stmxcsr): Likewise.
1394         (*sse_sfence): Likewise.
1395         (sse2_clflush): Likewise.
1396         (*sse2_mfence): Likewise.
1397         (*sse2_lfence): Likewise.
1398         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1399         (<sse>_movup<ssemodesuffixf2c>): Likewise.
1400         (avx_movdqu<avxmodesuffix>): Likewise.
1401         (avx_lddqu<avxmodesuffix>): Likewise.
1402         (sse2_movntv2di): Change attr "type" to "ssemov".
1403         (sse2_movntsi): Likewise.
1404         (rsqrtv8sf2): Change attr "type" to "sseadd".
1405         (sse3_addsubv2df3): Set attr "atom_unit".
1406         (sse3_h<plusminus_insn>v4sf3): Likewise.
1407         (*sse2_pmaddwd): Likewise.
1408         (*vec_extractv2di_1_rex64): Likewise.
1409         (*vec_extractv2di_1_avx): Likewise.
1410         (sse2_psadbw): Likewise.
1411         (ssse3_phaddwv8hi3): Likewise.
1412         (ssse3_phaddwv4hi3): Likewise.
1413         (ssse3_phadddv4si3): Likewise.
1414         (ssse3_phadddv2si3): Likewise.
1415         (ssse3_phaddswv8hi3): Likewise.
1416         (ssse3_phaddswv4hi3): Likewise.
1417         (ssse3_phsubwv8hi3): Likewise.
1418         (ssse3_phsubwv4hi3): Likewise.
1419         (ssse3_phsubdv4si3): Likewise.
1420         (ssse3_phsubdv2si3): Likewise.
1421         (ssse3_phsubswv8hi3): Likewise.
1422         (ssse3_phsubswv4hi3): Likewise.
1423         (ssse3_pmaddubsw128): Likewise.
1424         (sse3_pmaddubsw: Likewise.
1425         (ssse3_palignrti): Likewise.
1426         (ssse3_palignrdi): Likewise.
1428 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1430         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1432 2009-04-06  Richard Guenther  <rguenther@suse.de>
1434         PR tree-optimization/28868
1435         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1436         of which PHI results we inserted.
1437         (insert_into_preds_of_block): Record inserted PHIs.
1438         (eliminate): Eliminate redundant PHI nodes.
1439         (init_pre): Init inserted_phi_names.
1441 2009-04-06  Richard Guenther  <rguenther@suse.de>
1443         PR tree-optimization/39643
1444         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1445         IMAGPART_EXPRs of complex constants.
1446         (execute_fold_all_builtins): If we folded a call queue
1447         TODO_update_address_taken.
1449 2009-04-06  Jan Hubicka  <jh@suse.cz>
1451         PR middle-end/39659
1452         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1453         flag.
1455 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1457         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1458         delay slot.
1459         (ic_invalidate_array): Likewise.
1461 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1463         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1464         alignment for library calls.
1466 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1468         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1469         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1470         * config/i386/mingw-stdint.h:  New file.
1472 2009-04-05  Richard Guenther  <rguenther@suse.de>
1474         PR tree-optimization/39648
1475         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1476         our &A vs. &A[0] IL deficiencies.
1478 2009-04-04  Jan Hubicka  <jh@suse.cz>
1480         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1481         removed toplevel regions.
1482         (sjlj_mark_call_sites): Likewise.
1484 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1486         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1487         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1488         * config/i386/cygwin-stdint.h:  New file.
1490 2009-04-04  Richard Guenther  <rguenther@suse.de>
1492         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1493         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1494         single-argument PHIs if we are in loop-closed SSA form.
1495         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1496         for the pre-condition.
1497         (slpeel_tree_peel_loop_to_edge): Likewise.
1498         (vect_build_loop_niters): Take an optional sequence to append stmts.
1499         (vect_generate_tmps_on_preheader): Likewise.
1500         (vect_do_peeling_for_loop_bound): Take extra guards for the
1501         pre-condition.
1502         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1503         the cost model check.
1504         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1505         guards if we are going to peel.  Do not apply versioning in that case.
1506         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1507         (vect_do_peeling_for_loop_bound): Likewise.
1508         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1509         loop bound only record extra pre-conditions, do not apply loop
1510         versioning.
1512 2009-04-04  Richard Guenther  <rguenther@suse.de>
1514         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1515         renaming code.
1517 2009-04-04  Jan Hubicka  <jh@suse.cz>
1519         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1520         last_basic_block for size of bb->index indexed array.
1521         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1522         compute_out, link_btr_uses, build_btr_def_use_webs,
1523         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1525 2009-04-04  Jan Hubicka  <jh@suse.cz>
1527         * except.c (remove_eh_handler_and_replace): Break out from ...
1528         (remove_eh_handler): ... here.
1529         (bring_to_root): New function.
1530         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1531         handled ones, bring others to root of tree.
1533 2009-04-04  Jan Hubicka  <jh@suse.cz>
1535         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1536         (all_phis_safe_to_merge): New function.
1537         (update_info): New structure.
1538         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1539         (cleanup_empty_eh): Update SSA if possible.
1541 2009-04-04  Richard Guenther  <rguenther@suse.de>
1543         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1544         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1545         (append_vuse): Likewise.
1547 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1549         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1550         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1551         instead of REG_UNSAVED for DW_CFA_undefined.
1552         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1553         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1554         outermost frame.
1556 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1558         PR target/39501
1559         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1560         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1561         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1563 2009-04-04  Richard Guenther  <rguenther@suse.de>
1565         PR tree-optimization/8781
1566         PR tree-optimization/37892
1567         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1568         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1569         (valueize_refs): Call it for *& valueizations.
1570         (shared_reference_ops_from_ref): Rename to ...
1571         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1572         (shared_reference_ops_from_call): Rename to ...
1573         (valueize_shared_reference_ops_from_call): ... this and valueize.
1574         (vn_reference_lookup): Update.
1575         (visit_reference_op_call): Likewise.
1576         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1577         (eliminate): Value-replace the call address in call statements.
1579 2009-04-04  Richard Guenther  <rguenther@suse.de>
1581         PR tree-optimization/39636
1582         * tree-ssa-forwprop.c
1583         (forward_propagate_addr_into_variable_array_index): Check for
1584         GIMPLE_ASSIGN before accessing the rhs code.
1586 2009-04-03  Jason Merrill  <jason@redhat.com>
1588         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1590 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1592         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1593         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1594         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1595         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1596         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1597         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1598         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1599         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1600         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1601         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1602         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1603         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1604         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1605         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1606         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1607         Use fr_reg_or_fp01_operand instead of fr_register_operand
1609         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1610         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1611         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1613 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1615         PR rtl-optimization/39607
1616         PR rtl-optimization/39631
1618         Revert:
1619         
1620         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1621         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1622         instead of DF_LR_OUT.
1623         * ira-lives.c (process_bb_node_lives): Ditto.
1624         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1625         instead of DF_LR_{OUT,IN}.
1626         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1627         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1629 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1631         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1632         (execute_lower_omp): Always run but take the short way out if -fopenmp
1633         is not given.
1634         (gate_lower_omp): Remove, forcing the pass manager to always run the
1635         pass and always set PROP_gimple_lomp.
1636         (pass_lower_omp): Remove gate function.
1637         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1638         PROP_trees.  Instead, require it.
1639         * ipa-cp.c (pass_ipa_cp): Likewise.
1640         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1641         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1642         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1643         and PROP_gimple_leh.
1645 2009-04-03  Richard Guenther  <rguenther@suse.de>
1647         PR middle-end/13146
1648         PR tree-optimization/23940
1649         PR tree-optimization/33237
1650         PR middle-end/33974
1651         PR middle-end/34093
1652         PR tree-optimization/36201
1653         PR tree-optimization/36230
1654         PR tree-optimization/38049
1655         PR tree-optimization/38207
1656         PR tree-optimization/38230
1657         PR tree-optimization/38301
1658         PR tree-optimization/38585
1659         PR middle-end/38895
1660         PR tree-optimization/38985
1661         PR tree-optimization/39299
1662         * tree-ssa-structalias.h: Remove.
1663         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1664         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1665         (struct vuse_element_d): Remove.
1666         (struct vuse_vec_d): Likewise.
1667         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1668         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1669         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1670         VUSE_ELEMENT_VAR): Likewise.
1671         (struct voptype_d): Likewise.
1672         (NUM_VOP_FREE_BUCKETS): Likewise.
1673         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1674         (struct stmt_operands_d): Remove.
1675         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1676         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1677         VDEF_NUM, VDEF_VECT): Likewise.
1678         (copy_virtual_operands): Remove.
1679         (operand_build_cmp): Likewise.
1680         (create_ssa_artificial_load_stmt): Likewise.
1681         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1682         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1683         vuse_index and mayuse_index members.  Pack and move done and iter_type
1684         members to the front.
1685         (SSA_OP_VMAYUSE): Remove.
1686         (SSA_OP_VIRTUAL_USES): Adjust.
1687         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1688         (unlink_stmt_vdef): Declare.
1689         (add_to_addressable_set): Remove.
1690         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1691         (vrp_visit_stmt): Likewise.
1692         * doc/tree-ssa.texi (Alias analysis): Update.
1693         * doc/invoke.texi (max-aliased-vops): Remove docs.
1694         (avg-aliased-vops): Likewise.
1695         * tree-into-ssa.c (syms_to_rename): Remove.
1696         (need_to_update_vops_p): Likewise.
1697         (need_to_initialize_update_ssa_p): Rename to ...
1698         (update_ssa_initialized_fn): ... this.  Track function we are
1699         initialized for.
1700         (symbol_marked_for_renaming): Simplify.
1701         (add_new_name_mapping): Do not set need_to_update_vops_p.
1702         (dump_currdefs): Use SYMS_TO_RENAME.
1703         (rewrite_update_stmt): Always walk all uses/defs.
1704         (dump_update_ssa): Adjust.
1705         (init_update_ssa): Take function argument.  Track what we are
1706         initialized for.
1707         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1708         (create_new_def_for): Initialize for cfun, assert we are initialized
1709         for cfun.
1710         (mark_sym_for_renaming): Simplify.
1711         (mark_set_for_renaming): Do not initialize update-ssa.
1712         (need_ssa_update_p): Simplify.  Take function argument.
1713         (name_mappings_registered_p): Assert we ask for the correct function.
1714         (name_registered_for_update_p): Likewise.
1715         (ssa_names_to_replace): Likewise.
1716         (release_ssa_name_after_update_ssa): Likewise.
1717         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
1718         (dump_decl_set): Do not print a newline.
1719         (debug_decl_set): Do it here.
1720         (dump_update_ssa): And here.
1721         * tree-ssa-loop-im.c (move_computations): Adjust.
1722         (movement_possibility): Likewise.
1723         (determine_max_movement): Likewise.
1724         (gather_mem_refs_stmt): Likewise.
1725         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1726         or NAME_MEMORY_TAG.
1727         * tree-complex.c (update_all_vops): Remove.
1728         (expand_complex_move): Adjust.
1729         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1730         Simplify test for memory referencing statement.  Exclude
1731         non-invariant ADDR_EXPRs.
1732         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1733         * tree-loop-distribution.c (generate_memset_zero): Adjust.
1734         (rdg_flag_uses): Likewise.
1735         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1736         related code.
1737         (tree_optimize_tail_calls_1): Also split the
1738         edge from the entry block if we have degenerate PHI nodes in
1739         the first basic block.
1740         * tree.c (init_ttree): Remove memory-tag related code.
1741         (tree_code_size): Likewise.
1742         (tree_node_structure): Likewise.
1743         (build7_stat): Re-write to be build6_stat.
1744         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1745         (SSA_VAR_P): Adjust.
1746         (struct tree_memory_tag): Remove.
1747         (struct tree_memory_partition_tag): Likewise.
1748         (union tree_node): Adjust.
1749         (build7): Re-write to be build6.
1750         * tree-pass.h (pass_reset_cc_flags): Remove.
1751         (TODO_update_address_taken): New flag.
1752         (pass_simple_dse): Remove.
1753         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1754         * params.h (MAX_ALIASED_VOPS): Remove.
1755         (AVG_ALIASED_VOPS): Likewise.
1756         * omp-low.c (expand_omp_taskreg): Update SSA form.
1757         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1758         aliases the lhs in a copy stmt.
1759         * tree-ssa-dse.c (struct address_walk_data): Remove.
1760         (memory_ssa_name_same): Likewise.
1761         (memory_address_same): Likewise.
1762         (get_kill_of_stmt_lhs): Likewise.
1763         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
1764         unused stores.  Look through PHI nodes into post-dominated regions.
1765         (dse_optimize_stmt): Simplify.  Properly remove stores.
1766         (tree_ssa_dse): Compute dominators.
1767         (execute_simple_dse): Remove.
1768         (pass_simple_dse): Likewise.
1769         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1770         gimple_loaded_syms and gimple_stored_syms computation.
1771         * toplev.c (dump_memory_report): Dump alias and pta stats.
1772         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1773         (vn_reference_eq): Likewise.
1774         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1775         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1776         valueize_vuses): Remove.
1777         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
1778         (get_def_ref_stmt_vuse): ... this.
1779         (vn_reference_lookup_2): New function.
1780         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1781         walking equivalent vuses.  Simplify.
1782         (vn_reference_lookup): Likewise.
1783         (vn_reference_insert): Likewise.
1784         (vn_reference_insert_pieces): Likewise.
1785         (visit_reference_op_call): Simplify.
1786         (visit_reference_op_load): Likewise.
1787         (visit_reference_op_store): Likewise.
1788         (init_scc_vn): Remove shared_lookup_vuses initialization.
1789         (free_scc_vn): Remove shared_lookup_vuses freeing.
1790         (sort_vuses, sort_vuses_heap): Remove.
1791         (get_ref_from_reference_ops): Export.
1792         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1793         vector with single vuse pointer.
1794         (vn_reference_lookup_pieces, vn_reference_lookup,
1795         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1796         (shared_vuses_from_stmt): Remove.
1797         (get_ref_from_reference_ops): Declare.
1798         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1799         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1800         memory-tag related code.
1801         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1802         (likely_value): Add comment, skip static-chain of call statements.
1803         (surely_varying_stmt_p): Adjust.
1804         (gimplify_and_update_call_from_tree): Likewise.
1805         (execute_fold_all_builtins): Do not rebuild alias info.
1806         (gimplify_and_update_call_from_tree): Properly update VOPs.
1807         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1808         (copy_ref_info): Remove memory-tag related code.
1809         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1810         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1811         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1812         computation.
1813         * tree-ssa-dom.c (gimple_p): Remove typedef.
1814         (eliminate_redundant_computations): Adjust.
1815         (record_equivalences_from_stmt): Likewise.
1816         (avail_expr_hash): Likewise.
1817         (avail_expr_eq): Likewise.
1818         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1819         (stmt_makes_single_load): Likewise.
1820         (stmt_makes_single_store): Likewise.
1821         * tree-ssa-alias.c: Rewrite completely.
1822         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1823         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1824         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1825         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1826         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1827         Remove public functions.
1828         (pass_reset_cc_flags): Remove.
1829         (pass_build_alias): Move ...
1830         * tree-ssa-structalias.c (pass_build_alias): ... here.
1831         * tree-ssa-alias.c (may_be_aliased): Move ...
1832         * tree-flow-inline.h (may_be_aliased): ... here.
1833         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1834         count_uses_and_derefs): Move ...
1835         * gimple.c: ... here.
1836         * gimple.h (count_uses_and_derefs): Declare.
1837         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1838         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1839         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1840         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1841         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1842         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1843         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1844         New functions.
1845         * tree-dfa.c (refs_may_alias_p): Move ...
1846         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
1847         * tree-ssa-alias.h: New file.
1848         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1849         (statement_sink_location): Likewise.
1850         * opts.c (decode_options): Do not adjust max-aliased-vops or
1851         avg-aliased-vops values.
1852         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1853         (TV_CALL_CLOBBER): Likewise.
1854         (TV_FLOW_SENSITIVE): Likewise.
1855         (TV_FLOW_INSENSITIVE): Likewise.
1856         (TV_MEMORY_PARTITIONING): Likewise.
1857         (TV_ALIAS_STMT_WALK): New timevar.
1858         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1859         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1860         (get_address_description): Remove memory-tag related code.
1861         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1862         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1863         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1864         and immediate uses in statements.  Document.
1865         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1866         (dump_symbols): Remove.
1867         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1868         * alias.c (get_deref_alias_set): New function split out from ...
1869         (get_alias_set): ... here.
1870         * alias.h (get_deref_alias_set): Declare.
1871         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1872         type parameter.  Remove restrict pointer handling.  Create a
1873         ref-all pointer in case type-based alias sets do not conflict.
1874         (vect_analyze_data_refs): Remove SMT related code.
1875         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1876         (vectorizable_load): Likewise.
1877         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1878         (DR_SYMBOL_TAG, DR_VOPS): Remove.
1879         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1880         Ignore vops and SMTs.
1881         (dr_analyze_alias): Likewise..
1882         (free_data_ref): Likewise.
1883         (create_data_ref): Likewise.
1884         (analyze_all_data_dependences): Likewise.
1885         (get_references_in_stmt): Adjust.
1886         * tree-flow-inline.h (gimple_aliases_computed_p,
1887         gimple_addressable_vars, gimple_call_clobbered_vars,
1888         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1889         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1890         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1891         gimple_mem_ref_stats): Remove.
1892         (gimple_vop): New function.
1893         (op_iter_next_use): Remove vuses and mayuses cases.
1894         (op_iter_next_def): Remove vdefs case.
1895         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1896         (clear_and_done_ssa_iter): Do not set removed fields.
1897         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
1898         Assert we are not iterating over vuses or vdefs if not also
1899         iterating over uses or defs.
1900         (op_iter_init_use): Likewise.
1901         (op_iter_init_def): Likewise.
1902         (op_iter_next_vdef): Remove.
1903         (op_iter_next_mustdef): Likewise.
1904         (op_iter_init_vdef): Likewise.
1905         (compare_ssa_operands_equal): Likewise.
1906         (link_use_stmts_after): Handle vuse operand.
1907         (is_call_used): Use is_call_clobbered.
1908         (is_call_clobbered): Global variables are always call clobbered,
1909         query the call-clobbers bitmap.
1910         (mark_call_clobbered): Ignore global variables.
1911         (clear_call_clobbered): Likewise.
1912         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1913         virtual operands sanity check.
1914         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1915         Remove.
1916         (TARGET_MEM_REF): Remove TMR_TAG operand.
1917         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1918         Remove call-clobber related code.
1919         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
1920         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1921         partitions or escape reason.
1922         (get_single_def_stmt, get_single_def_stmt_from_phi,
1923         get_single_def_stmt_with_phi): Remove.
1924         (dump_referenced_vars): Tidy.
1925         (get_ref_base_and_extent): Allow bare decls.
1926         (collect_dfa_stats): Adjust.
1927         * graphite.c (rename_variables_in_stmt): Adjust.
1928         (graphite_copy_stmts_from_block): Likewise.
1929         (translate_clast): Likewise.
1930         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1931         (EXPR_DIES): New.
1932         (translate_vuse_through_block): Use the oracle.
1933         (phi_translate_1): Adjust.
1934         (value_dies_in_block_x): Use the oracle.  Cache the outcome
1935         in EXPR_DIES.
1936         (valid_in_sets): Check if the VUSE for
1937         a REFERENCE is available.
1938         (eliminate): Do not remove stmts during elimination,
1939         instead queue and remove them afterwards.
1940         (do_pre): Do not rebuild alias info.
1941         (pass_pre): Run TODO_rebuild_alias before PRE.
1942         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1943         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1944         (mark_all_v_defs_stmt): Remove.
1945         (mark_all_v_defs_seq): Adjust.
1946         (sra_replace): Likewise.
1947         (scalarize_use): Likewise.
1948         (scalarize_copy): Likewise.
1949         (scalarize_init): Likewise.
1950         (scalarize_ldst): Likewise.
1951         (todoflags): Remove.
1952         (tree_sra): Do not rebuild alias info.
1953         (tree_sra_early): Adjust.
1954         (pass_sra): Run TODO_update_address_taken before SRA.
1955         * tree-predcom.c (set_alias_info): Remove.
1956         (prepare_initializers_chain): Do not call it.
1957         (mark_virtual_ops_for_renaming): Adjust.
1958         (mark_virtual_ops_for_renaming_list): Remove.
1959         (initialize_root_vars): Adjust.
1960         (initialize_root_vars_lm): Likewise.
1961         (prepare_initializers_chain): Likewise.
1962         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1963         (may_propagate_copy_into_stmt): Likewise.
1964         (merge_alias_info): Do nothing for now.
1965         (propagate_tree_value_into_stmt): Adjust.
1966         (stmt_may_generate_copy): Likewise.
1967         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1968         not mark symbols for renaming.
1969         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1970         with the same statement, make sure to update the new pointed-to one.
1971         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1972         call statements, do not mark symbols for renaming.
1973         (mark_operand_necessary): Dump something.
1974         (ref_may_be_aliased): New function.
1975         (mark_aliased_reaching_defs_necessary_1): New helper function.
1976         (mark_aliased_reaching_defs_necessary): Likewise.
1977         (mark_all_reaching_defs_necessary_1): Likewise.
1978         (mark_all_reaching_defs_necessary): Likewise.
1979         (propagate_necessity): Do not process virtual PHIs.  For
1980         non-aliased loads mark all reaching definitions as necessary.
1981         For aliased loads and stores mark the immediate dominating
1982         aliased clobbers as necessary.
1983         (visited): New global static.
1984         (perform_tree_ssa_dce): Free visited bitmap after propagating
1985         necessity.
1986         (remove_dead_phis): Perform simple dead virtual PHI removal.
1987         (remove_dead_stmt): Properly unlink virtual operands when
1988         removing stores.
1989         (eliminate_unnecessary_stmts): Schedule PHI removal after
1990         stmt removal.
1991         * tree-ssa-ter.c (is_replaceable_p): Adjust.
1992         (process_replaceable): Likewise.
1993         (find_replaceable_in_bb): Likewise.
1994         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
1995         based on the single gimple vop.
1996         (verify_flow_insensitive_alias_info): Remove.
1997         (verify_flow_sensitive_alias_info): Likewise.
1998         (verify_call_clobbering): Likewise.
1999         (verify_memory_partitions): Likewise.
2000         (verify_alias_info): Likewise.
2001         (verify_ssa): Adjust..
2002         (execute_update_addresses_taken): Export.  Update SSA
2003         manually.  Optimize only when optimizing.  Use a local bitmap.
2004         (pass_update_address_taken): Remove TODO_update_ssa, add
2005         TODO_dump_func.
2006         (pass_update_address_taken): Just use TODO_update_address_taken.
2007         (init_tree_ssa): Do not initialize addressable_vars.
2008         (verify_ssa): Verify new VUSE / VDEF properties.
2009         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2010         Do not call verify_alias_info.
2011         (delete_tree_ssa): Clear the VUSE, VDEF operands.
2012         Do not free the loaded and stored syms bitmaps.  Reset the escaped
2013         and callused solutions.  Do not free addressable_vars.
2014         Remove memory-tag related code.
2015         (warn_uninitialized_var): Aliases are always available.
2016         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2017         * lambda-code.c (can_put_in_inner_loop): Adjust.
2018         (can_put_after_inner_loop): Likewise.
2019         (perfect_nestify): Likewise.
2020         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2021         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2022         (vectorizable_conversion): Do not mark symbols for renaming.
2023         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2024         (expand_call_inline): Unlink the calls virtual operands before
2025         replacing it.
2026         (tree_function_versioning): Do not call update_ssa if we are not
2027         updating clones.  Simplify.
2028         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2029         (propagate_with_phi): Likewise..
2030         * tree-outof-ssa.c (create_temp): Remove memory tag and call
2031         clobber code.  Assert we are not aliased or global.
2032         * tree-flow.h: Include tree-ssa-alias.h
2033         (enum escape_type): Remove.
2034         (struct mem_sym_stats_d): Likewise.
2035         (struct mem_ref_stats_d): Likewise.
2036         (struct gimple_df): Add vop member.  Remove global_var,
2037         call_clobbered_vars, call_used_vars, addressable_vars,
2038         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
2039         escaped and callused members.
2040         (struct ptr_info_def): Remove all members, add points-to solution
2041         member pt.
2042         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2043         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2044         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2045         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2046         (tree-ssa-alias.o): Likewise.
2047         (toplev.o): Add tree-ssa-alias.h
2048         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2049         * gimple.c (gimple_set_bb): Fix off-by-one error.
2050         (is_gimple_reg): Do not handle memory tags.
2051         (gimple_copy): Also copy virtual operands.
2052         Delay updating the statement.  Do not reset loaded and stored syms.
2053         (gimple_set_stored_syms): Remove.
2054         (gimple_set_loaded_syms): Likewise.
2055         (gimple_call_copy_skip_args): Copy the virtual operands
2056         and mark the new statement modified.
2057         * tree-ssa-structalias.c (may_alias_p): Remove.
2058         (set_uids_in_ptset): Take the alias set to prune with as
2059         parameter.  Fold in the alias test of may_alias_p.
2060         (compute_points_to_sets): Compute whether a ptr is dereferenced
2061         in a local sbitmap.
2062         (process_constraint): Deal with &ANYTHING on the lhs, reject all
2063         other ADDRESSOF constraints on the lhs.
2064         (get_constraint_for_component_ref): Assert that we don't get
2065         ADDRESSOF constraints from the base of the reference.
2066         Properly generate UNKNOWN_OFFSET for DEREF if needed.
2067         (struct variable_info): Remove collapsed_to member.
2068         (get_varinfo_fc): Remove.
2069         (new_var_info): Do not set collapsed_to.
2070         (dump_constraint): Do not follow cycles.
2071         (dump_constraint_graph): Likewise.
2072         (build_pred_graph): Likewise.
2073         (build_succ_graph): Likewise.
2074         (rewrite_constraints): Likewise.
2075         (do_simple_structure_copy): Remove.
2076         (do_rhs_deref_structure_copy): Remove.
2077         (do_lhs_deref_structure_copy): Remove.
2078         (collapse_rest_of_var): Remove.
2079         (do_structure_copy): Re-implement.
2080         (pta_stats): New global variable.
2081         (dump_pta_stats): New function.
2082         (struct constraint_expr): Make offset signed.
2083         (UNKNOWN_OFFSET): Define special value.
2084         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2085         (solution_set_expand): New helper function split out from ...
2086         (do_sd_constraint): ... here.
2087         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
2088         (do_ds_constraint): Likewise.
2089         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
2090         and CALLUSED = *CALLUSED.
2091         (set_union_with_increment): Make inc argument signed.
2092         (type_safe): Remove.
2093         (get_constraint_for_ptr_offset): Handle unknown and negative
2094         constant offsets.
2095         (first_vi_for_offset): Handle offsets before start.  Bail
2096         out early for offsets beyond the variable extent.
2097         (first_or_preceding_vi_for_offset): New function.
2098         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2099         Together with ESCAPED = *ESCAPED this properly computes reachability.
2100         (find_what_var_points_to): New function.
2101         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2102         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2103         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2104         pt_solutions_intersect): New functions.
2105         (compute_call_used_vars): Remove.
2106         (compute_may_aliases): New main entry into PTA computation.
2107         * gimple.h (gimple_p): New typedef.
2108         (struct gimple_statement_base): Remove references_memory_p.
2109         (struct gimple_statement_with_memory_ops_base): Remove
2110         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
2111         members.
2112         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2113         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2114         gimple_set_references_memory): Remove.
2115         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2116         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2117         New functions.
2118         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2119         (verify_expr): Allow RESULT_DECL.
2120         (gimple_duplicate_bb): Do not copy virtual operands.
2121         (gimple_duplicate_sese_region): Adjust.
2122         (gimple_duplicate_sese_tail): Likewise.
2123         (mark_virtual_ops_in_region): Remove.
2124         (move_sese_region_to_fn): Do not call it.
2125         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2126         and pass_simple_dse.
2127         (execute_function_todo): Handle TODO_update_address_taken,
2128         call execute_update_addresses_taken for TODO_rebuild_alias.
2129         (execute_todo): Adjust.
2130         (execute_one_pass): Init dump files early.
2131         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2132         call-clobbered.
2133         (create_general_new_stmt): Clear vops.
2134         * tree-ssa-reassoc.c (get_rank): Adjust.
2135         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2136         symbols for renaming.
2137         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2138         (PARAM_AVG_ALIASED_VOPS): Likewise.
2139         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2140         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2141         * tree-ssa-operands.c: Simplify for new virtual operand representation.
2142         (operand_build_cmp, copy_virtual_operands,
2143         create_ssa_artificial_load_stmt, add_to_addressable_set,
2144         gimple_add_to_addresses_taken): Remove public functions.
2145         (unlink_stmt_vdef): New function.
2147 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2149         * config.gcc (powerpc-*-linux*): Merge variants.
2151 2009-04-02  Chao-ying Fu  <fu@mips.com>
2152             James Grosbach <james.grosbach@microchip.com>
2154         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2155         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2156         cop0_sp_offset.
2157         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2158         keep_interrupts_masked_p, use_debug_exception_return_p.
2159         (mips_attribute_table): Add interrupt, use_shadow_register_set,
2160         keep_interrupts_masked, use_debug_exception_return.
2161         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2162         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2163         New functions.
2164         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2165         (mips_print_operand): Process COP0 registers to print $0 .. $31
2166         correctly for GAS to process.
2167         (mips_interrupt_extra_call_saved_reg_p): New function.
2168         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2169         extra registers.
2170         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2171         (mips_compute_frame_info): Add supports for interrupt context that
2172         includes doubleword accumulators and COP0 registers.
2173         (mips_for_each_saved_acc): New function.
2174         (mips_for_each_saved_gpr_and_fpr): Change the function name from
2175         mips_for_each_saved_reg.
2176         (mips_save_reg): Save accumulators.
2177         (mips_kernel_reg_p): A new for_each_rtx callback.
2178         (mips_expand_prologue): Support interrupt handlers.
2179         (mips_restore_reg): Restore accumulators.
2180         (mips_expand_epilogue): Support interrupt handlers.
2181         (mips_can_use_return_insn): Return false for interrupt handlers.
2182         (mips_epilogue_uses): New function.
2183         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2184         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2185         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2186         cop0_move): New instructions.
2187         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2188         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2189         defines.
2190         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2191         New defines.
2192         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2193         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2194         interrupt handlers, we use K0 as the temporary register.
2195         (EPILOGUE_USES): Change to a function call.
2196         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2197         handlers, we use K0 as the temporary register.
2198         
2199         * doc/extend.texi (Function Attributes): Document interrupt,
2200         use_shadow_register_set, keep_interrupts_masked,
2201         use_debug_exception_return for MIPS attributes.
2203 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2205         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2206         Remove a number of t-files from tmake_file.
2207         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2208         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2209         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2210         target_prototype, not TARGET_PROTOTYPE.
2211         (LINK_OS_GNU_SPEC): Define.
2212         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2213         and darwin-ldoubdle.c.
2215 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2217         PR driver/39293
2218         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2219         (cpp_options): Ditto.
2220         (default_compilers): Ditto.
2221         (display_help): Ditto.
2222         (process_command): Ditto.
2223         (do_spec_1): Ditto.
2224         (set_input): Use lbasename instead of duplicate code.
2225         (save_temps_prefix): New static for -save-temps=obj.
2226         (save_temps_length): Ditto.
2227         
2228         * doc/invoke.texi (-save-temps=obj): Document new variant to
2229         -save-temps switch.
2231 2009-04-02  Jeff Law  <law@redhat.com>
2233         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2234         variable.
2236 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2238         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2239         * configure: Regenerated.
2241 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2243         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2244         share the argument list.
2246 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2248         Merge
2250         2009-02-12  Diego Novillo  <dnovillo@google.com>
2252         * varpool.c (debug_varpool): New.
2253         * cgraph.h (debug_varpool): Declare.
2255 2009-04-02  Jan Hubicka  <jh@suse.cz>
2257         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2258         pass.
2260 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2262         * config/i386/i386.c (ix86_abi): Move initialization to ...
2263         (override_options): Here.
2265 2009-04-02  Christian Bruel  <christian.bruel@st.com>
2267         * config/sh/sh.c (sh_dwarf_register_span): New function.
2268         (TARGET_DWARF_REGISTER_SPAN): Define.
2269         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2270         
2271 2009-04-02  Ira Rosen  <irar@il.ibm.com>
2273         PR tree-optimization/39595
2274         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
2275         interleaved loads group is not  greater than the SLP group size.
2277 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2279         * builtins.c (is_builtin_name): New.
2280         (called_as_built_in): Use is_builtin_name.
2281         * tree.h (is_builtin_name): New.
2282         * varasm.c (incorporeal_function_p): Use is_builtin_name
2284 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
2286         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2288 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
2290         PR c++/26693
2291         * c-decl.c (clone_underlying_type): Move this ...
2292         * c-common.c (set_underlying_type): ... here.
2293         Also, make sure the function properly sets TYPE_STUB_DECL() on
2294         the newly created typedef variant type.
2295         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2296         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2297         points.
2299 2009-04-02  Richard Guenther  <rguenther@suse.de>
2301         PR tree-optimization/37221
2302         * tree-flow.h (degenerate_phi_result): Declare.
2303         * tree-ssa-dom.c (degenerate_phi_result): Export.
2304         * tree-scalar-evolution.c (analyze_initial_condition): If
2305         the initial condition is defined by a degenerate PHI node
2306         use the degenerate value.
2308 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
2310         PR rtl-optimization/39588
2311         * combine.c (merge_outer_ops): Do not set the constant when this
2312         is not necessary.
2313         (simplify_shift_const_1): Do not modify it either in this case.
2315 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2317         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2318         tuning is deprecated if -mtune value is set to an Itanium1 variant.
2320 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
2322         PR c/29027
2323         * c-lex.c (interpret_float): Default (no suffix) is double.
2325 2009-04-1  Xinliang David Li  <davidxl@google.com>
2327         * config/i386/i386.c (legitimate_constant_p): Recognize
2328         all one vector constant.
2330 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2332         * gcc/config/vax/vax.c: Add #includes to silence warnings.
2333         Change #include order to silence two warnings.
2335 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2337         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2338         (ASM_SPEC): Pass -k to the assembler for PIC code.
2340 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2342         * gcc/config.gcc: Add vax-*-linux* to the switch.
2343         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2344         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2346 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2348         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2349         Use predicate macros instead of GET_CODE() == foo.
2350         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2351         ashlsi3, rotrsi3, <unnamed>): Likewise.
2353 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2355         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2356         jbbccihi, jbbccisi): Remova trailing whitespace.
2357         * gcc/config/vax/constraints.md: Likewise.
2358         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2359         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2360         * gcc/config/vax/predicates.md: Likewise.
2361         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2362         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2363         * gcc/config/vax/vax.h: Likewise.
2364         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2366 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2368         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2369         (indirectable_address_p, adjacent_operands_p): Add spaces around
2370         braces.
2371         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2373 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2375         * gcc/config/vax/vax.c (legitimate_constant_address_p,
2376         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2377         index_term_p, reg_plus_index_p, legitimate_address_p,
2378         vax_mode_dependent_address_p): Update comments to match functions
2379         modified by the recent int->bool conversion.
2381 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2383         * gcc/config/vax/builtins.md: Update copyright message.
2384         * gcc/config/vax/constraints.md: Likewise.
2385         * gcc/config/vax/netbsd-elf.h: Likewise.
2386         * gcc/config/vax/predicates.md: Likewise.
2387         * gcc/config/vax/vax-protos.h: Likewise.
2388         * gcc/config/vax/vax.c: Likewise.
2389         * gcc/config/vax/vax.h: Likewise.
2390         * gcc/config/vax/vax.md: Likewise.
2391         * gcc/config/vax/vax.opt: Likewise.
2393 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2395         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2396         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2397         * gcc/config/vax/constraints.md (B, R): Likewise.
2398         * gcc/config/vax/predicates.md (external_memory_operand,
2399         nonimmediate_addsub_di_operand): Likewise.
2400         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2401         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2402         untyped_call): Likewise.
2404 2009-04-01  Matt Thomas <matt@3am-software.com>
2406         * config/vax/predicates.md: New file.
2407         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2408         external_const_operand, nonsymbolic_operand, external_memory_operand,
2409         indirect_memory_operand, indexed_memory_operand,
2410         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2411         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2412         predicate.
2413         * config/vax/constraints.md: New file.
2414         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2415         New constraint.
2416         * config/vax/builtins.md: New file.
2417         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2418         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2419         jbbccisi): Define.
2420         * config/vax/vax.opt (mqmath): Add option.
2421         * config/vax/vax.md (isfx): Extend with DI.
2422         (VAXintQH, VAXintQHSD): Define.
2423         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2424         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2425         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2426         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2427         (movdi): Update constraints and use vax_output_int_move().
2428         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2429         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2430         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2431         nonlocal_goto): New.
2432         (mov<mode>): Extend accepted operand types.
2433         (subdi3_old): Rename from subdi3, change update constraints and use
2434         a new implementation.
2435         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2436         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2437         MOVE_RATIO, CLEAR_RATIO): Define.
2438         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2439         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2440         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2441         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2442         (split_quadword_operands): Make static and really allow variable
2443         splitting.
2444         (print_operand_address): Update for PIC generation.
2445         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2446         indexable_address_p, fixup_mathdi_operand,
2447         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2448         (vax_float_literal, legitimate_constant_p,
2449         indirectable_constant_address_p, index_term_p,
2450         reg_plus_index_p): Return bool instead of int.
2451         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2452         where needed.
2453         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2454         generation.
2455         (vax_output_conditional_branch): Indent.
2456         (legitimate_constant_address_p, indirectable_constant_address_p,
2457         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2458         vax_mode_dependent_address_p): Return bool instead of int, update for
2459         PIC generation.
2460         * config/vax/vax-protos.h (legitimate_constant_address_p,
2461         legitimate_constant_p, legitimate_address_p,
2462         vax_mode_dependent_address_p): Change declaration to bool.
2463         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2464         vax_expand_addsub_di_operands, vax_output_int_subtract,
2465         vax_output_movmemsi): Declare.
2466         (split_quadword_operands, vax_float_literal): Delete declaration.
2467         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2468         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2469         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2470         ASM_OUTPUT_DWARF_PCREL): Define.
2471         (ASM_SPEC): Change definition to allow PIC generation.
2473 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2475         * doc/sourcebuild.texi: Update front-end requirements.
2477 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2479         PR target/39226
2480         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2481         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2482         (booldi3_internal3): Use boolean_or_operator instead of
2483         boolean_operator.
2485 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2487         PR c/39605
2488         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2489         declarator whose size is not an integer constant expression but
2490         folds to an integer constant, then treat it as a constant
2491         subsequently.
2493 2009-04-01  Richard Guenther  <rguenther@suse.de>
2495         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2496         i * 4 + 2 to (i * 2 + 1) * 2.
2498 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2500         PR c/37772
2501         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2502         return if c_parser_asm_string_literal returned NULL.
2504 2009-04-01  Nick Clifton  <nickc@redhat.com>
2506         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2507         already defined.
2508         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2509         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2510         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2511         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2512         include it.
2513         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2514         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2515         then include it.
2517 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2519         * varasm.c (default_function_rodata_section): Declare DOT as
2520         const char*.
2522 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2523             Andrey Galkin <agalkin@hypercom.com>
2525         PR/39492
2526         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2527         Make object_name unique for each process.
2529 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2531         PR other/39591
2532         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2533         addressable variables in the parallel that could go out of scope while
2534         running queued tasks.
2536 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2538         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2539         (CASE_VALUES_THRESHOLD): Redefine.
2540         * config/avr/avr.c (avr_override_options): Remove initialization of
2541         avr_case_values_threshold variable.
2542         (avr_case_values_threshold): Remove variable. Add new function.
2543         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2544         * config/avr/avr.opt (mno-tablejump): Remove option.
2545         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2547 2009-04-01  DJ Delorie  <dj@redhat.com>
2549         * varasm.c (default_function_rodata_section): Don't assume
2550         anything about where the first '.' in the section name is.
2552 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2554         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2555         rs6000_emit_stack_tie.
2557 2009-03-31  Ian Lance Taylor  <iant@google.com>
2559         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2560         gimple_code with GIMPLE_RESX, not RESX.
2562 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2564         * c-common.c (c_get_ident): New.
2565         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2567 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2569         * config/rs6000/sysv4.opt (msdata): Improve option description.
2571 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2573         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2574         (divdf3_internal_lat): Remove.
2575         (divxf3_internal_lat): Remove.
2576         (divxf3_internal_thr): Remove.
2577         (divxf): Use divxf3_internal.
2578         * config/ia64/div.md (divsf3_internal_lat): New.
2579         (divdf3_internal_lat): New.
2580         (divxf3_internal): New.
2582 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2584         PR c/448
2585         * Makefile.in (USE_GCC_STDINT): Define.
2586         (stmp-int-hdrs): Install stdint.h if applicable.
2587         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2588         if known.
2589         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2590         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2591         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2592         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2593         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2594         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2595         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2596         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2597         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2598         (c_common_nodes_and_builtins): Initialize
2599         underlying_wchar_type_node.  Do not initialize
2600         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2601         nodes for new types.
2602         (c_stddef_cpp_builtins): Define macros for new types.
2603         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2604         Remove.
2605         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2606         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2607         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2608         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2609         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2610         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2611         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2612         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2613         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2614         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2615         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2616         int16_type_node, int32_type_node, int64_type_node,
2617         uint8_type_node, uint16_type_node, c_uint32_type_node,
2618         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2619         int_least32_type_node, int_least64_type_node,
2620         uint_least8_type_node, uint_least16_type_node,
2621         uint_least32_type_node, uint_least64_type_node,
2622         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2623         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2624         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2625         uintptr_type_node): Define.
2626         * c-cppbuiltin.c (builtin_define_constants,
2627         builtin_define_type_minmax): New.
2628         (builtin_define_stdint_macros): Define more macros.
2629         (c_cpp_builtins): Define more limit macros.
2630         (type_suffix): New.
2631         (builtin_define_type_max): Define in terms of
2632         builtin_define_type_minmax.  Remove is_long parameter.  All
2633         callers changed.
2634         * config.gcc (use_gcc_stdint): Define.
2635         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2636         Add newlib-stdint.h for generic targets.
2637         * config/glibc-stdint.h, config/newlib-stdint.h,
2638         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2639         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2640         * config/score/score.h (UINTPTR_TYPE): Define.
2641         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2642         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2643         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2644         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2645         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2646         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2647         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2648         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2649         * config/spu/spu.h (STDINT_LONG32): Define.
2650         * configure.ac (use_gcc_stdint): Substitute.
2651         * configure: Regenerate.
2652         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2653         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2654         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2655         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2656         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2657         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2658         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2659         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2660         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2661         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2662         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2663         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2664         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2665         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2666         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2667         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2668         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2669         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2670         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2671         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2672         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2673         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2674         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2675         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2676         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2677         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2678         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2679         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2680         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2682 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2684         * loop-iv.c (suitable_set_for_replacement): Renamed from
2685         simplify_using_assignment; changed to return bool and to accept new
2686         args DEST and SRC.  Return true iff we find a source/destination pair
2687         that can be used to make a replacement, and fill SRC and DEST if so.
2688         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2689         changed.
2690         (simplify_using_initial_values): Deal with altered regs here and track
2691         more precisely the effect they have on the validity of our expression.
2693         * loop-iv.c (simplify_using_condition): A condition of the form
2694         (EQ REG CONST) can be used to simply make a substitution.
2695         (simplify_using_initial_values): Keep track of conditions we have seen
2696         and keep using them to simplify new expressions, while applying the
2697         same substitutions to them as to the expression.
2699         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2700         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2701         GEU/LTU reversed.
2703         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
2704         changed.  Use this when trying to improve the upper bound.
2705         Generate the comparison by using simplify_gen_relational.
2707         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2709         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2710         functions.
2711         (simplify_using_assignment, simplify_using_initial_values): Call 
2712         replace_in_expr to make replacements.  Call replace_single_def_regs
2713         once on the initial version of the expression.
2715 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2717         PR target/27237
2718         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2719         
2720 2009-03-31  Richard Guenther  <rguenther@suse.de>
2722         PR middle-end/31029
2723         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2724         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
2726 2009-03-31  Richard Guenther  <rguenther@suse.de>
2728         * tree.h (div_if_zero_remainder): Declare.
2729         * fold-const.c (div_if_zero_remainder): Export.
2730         * tree-ssa-forwprop.c
2731         (forward_propagate_addr_into_variable_array_index): Handle
2732         constant array index addition outside of the variable index.
2734 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2736         PR target/39592
2737         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2738         define_splits, floatunssi<mode>2): Require x87 conversions from
2739         DImode to be permitted.
2741 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2743         PR preprocessor/15638
2744         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2746 2009-03-31  Richard Guenther  <rguenther@suse.de>
2748         PR middle-end/23401
2749         PR middle-end/27810
2750         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2751         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2752         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2753         a separate statement.
2754         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2755         (lookup_tmp_var): Likewise.
2756         (is_gimple_formal_tmp_or_call_rhs): Remove.
2757         (is_gimple_reg_or_call_rhs): Rename to ...
2758         (is_gimple_reg_rhs_or_call): ... this.
2759         (is_gimple_mem_or_call_rhs): Rename to ...
2760         (is_gimple_mem_rhs_or_call): ... this.
2761         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
2762         DECL_GIMPLE_REG_P only if is_formal is true.
2763         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
2764         for non-proper post-modify expression gimplification.
2765         (gimplify_self_mod_expr): For post-modify expressions gimplify
2766         the lvalue to a minimal lvalue.
2767         (rhs_predicate_for): Remove formal temp case.
2768         (gimplify_modify_expr_rhs): Likewise.
2769         (gimplify_addr_expr): Use is_gimple_reg.
2770         (gimplify_expr): Remove formal temp cases.
2771         (gimple_regimplify_operands): Likewise.
2772         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2773         and FILTER_EXPR like constants.
2774         * gimple.c (walk_gimple_op): Fix val_only initialization, use
2775         is_gimple_reg.
2776         (is_gimple_formal_tmp_rhs): Remove.
2777         (is_gimple_reg_rhs): Remove special casing.
2778         (is_gimple_mem_rhs): Fix.
2779         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2780         (is_gimple_formal_tmp_var): Remove.
2781         (is_gimple_formal_tmp_reg): Likewise.
2782         (is_gimple_min_lval): Allow invariant component ref parts.
2783         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2784         is_gimple_formal_tmp_reg): Remove declarations.
2785         * tree-cfg.c (verify_expr): Verify that variables with address
2786         taken do not have DECL_GIMPLE_REG_P set.
2787         * tree-mudflap.c (mf_build_check_statement_for): Use
2788         force_gimple_operand instead of gimplify_expr.
2790 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
2792         * modulo-sched.c (sms_schedule_by_order): Pass the actual
2793         schedulable rows to compute_split_row.
2795 2009-03-31  Ben Elliston  <bje@au.ibm.com>
2797         PR target/31635
2798         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2799         OPT_mvrsave.
2801 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2803         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2804         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2805         * configure: Regenerate.
2806         * config.in: Regenerate.
2807         * config/rs6000/rs6000.opt (mtls-markers): Add.
2808         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2809         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2810         (tls_ld_aix, tls_ld_sysv): Likewise.
2811         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2812         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2814 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2816         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2818 2009-03-30  Jan Hubicka  <jh@suse.cz>
2820         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2821         out of RESX.
2822         (tree_remove_unreachable_handlers): Cleanup EH predecestor
2823         detection and label handling.
2825 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2827         * ira-int.h (ira_allocno): Rename left_conflicts_num to
2828         left_conflicts_size.
2829         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2830         ALLOCNO_LEFT_CONFLICTS_SIZE.
2832         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2833         remove_allocno_from_bucket_and_push,
2834         allocno_spill_priority_compare, push_allocnos_to_stack,
2835         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2836         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2837         (setup_allocno_left_conflicts_num): Ditto.  Rename to
2838         setup_allocno_left_conflicts_size.
2839         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2840         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2841         setup_allocno_left_conflicts_size instead of
2842         setup_allocno_left_conflicts_num.
2844         * ira-build.c (ira_create_allocno): Use
2845         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2846         ALLOCNO_LEFT_CONFLICTS_NUM.
2847                 
2848 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2850         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2851         instead of DF_LR_OUT.
2853         * ira-lives.c (process_bb_node_lives): Ditto.
2855         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2856         instead of DF_LR_{OUT,IN}.
2858         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2860         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2862 2009-03-30  Jan Hubicka  <jh@suse.cz>
2864         * except.c (label_to_region_map): Fix thinko.
2866 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
2868         PR middle-end/38237
2869         * tree.h (tree_find_value): New declaration.
2870         * tree.c (tree_find_value): New function.
2871         * varasm.c (assemble_external): Avoid duplicate entries on lists.
2873 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
2875         PR debug/39563
2876         * c-decl.c (struct c_binding): Add locus field.
2877         (bind): Add locus argument, set locus field from it.
2878         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2879         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2880         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2881         implicitly_declare, undeclared_variable, lookup_label,
2882         declare_label, c_make_fname_decl, c_builtin_function,
2883         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2884         bind callers.
2886 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
2888         PR target/38781
2889         * config/i386/i386.c (classify_argument): Check total size of
2890         structure.
2892 2009-03-30  Martin Jambor  <mjambor@suse.cz>
2894         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2895         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2896         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2897         respectively.
2899         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2900         seen_variable_array_ref while also traversing a union.
2902         * tree-inline.c (optimize_inline_calls): Do not call
2903         cgraph_node_remove_callees.
2904         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2905         (pass_remove_cgraph_callee_edges): New variable.
2906         * passes.c (init_optimization_passes): Add
2907         pass_remove_cgraph_callee_edges after early inlining and before all
2908         late intraprocedural passes.
2910         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2912 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2914         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2915         Fix typos in names.
2917 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2919         * combine.c (simplify_comparison): Use have_insn_for.
2920         * dojump.c (do_jump): Likewise.
2922 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2924         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2925         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2926         sparc_compare_op0 like sparc_compare_emitted used to be handled.
2927         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2928         instead of sparc_compare_emitted.
2929         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2930         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2931         instead of sparc_compare_emitted.
2933 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2935         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2936         enter/exit cfglayout mode.
2937         (pass_partition_block): Require it.
2938         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2939         (combine_instructions): Track basic blocks instead of labels.
2940         (update_cfg_for_uncondjump): New.
2941         (try_combine): Use it.  Update jumps after rescanning.
2942         (pass_combine): Require PROP_cfglayout.
2943         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2945 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2947         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2948         Provide/destroy PROP_cfglayout respectively.
2949         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2950         * tree-pass.h (PROP_cfglayout): New.
2952 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2954         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2955         fold_convert_const_fixed_from_fixed,
2956         fold_convert_const_fixed_from_int,
2957         fold_convert_const_fixed_from_real, fold_negate_const): Do not
2958         set TREE_CONSTANT_OVERFLOW.
2959         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2960         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2962 2009-03-30  Ira Rosen  <irar@il.ibm.com>
2964         * tree-vect-loop-manip.c: New file.
2965         * tree-vectorizer.c: Update documentation and included files.
2966         (vect_loop_location): Make extern.
2967         (rename_use_op): Move to tree-vect-loop-manip.c
2968         (rename_variables_in_bb, rename_variables_in_loop, 
2969         slpeel_update_phis_for_duplicate_loop, 
2970         slpeel_update_phi_nodes_for_guard1,
2971         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2972         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
2973         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
2974         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
2975         find_loop_location): Likewise.
2976         (new_stmt_vec_info): Move to tree-vect-stmts.c.
2977         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
2978         get_vectype_for_scalar_type, vect_is_simple_use,
2979         supportable_widening_operation, supportable_narrowing_operation):
2980         Likewise.
2981         (bb_in_loop_p): Move to tree-vect-loop.c.
2982         (new_loop_vec_info, destroy_loop_vec_info, 
2983         reduction_code_for_scalar_code, report_vect_op, 
2984         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
2985         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
2986         (vect_supportable_dr_alignment): Likewise.
2987         * tree-vectorizer.h (tree-data-ref.h): Include.
2988         (vect_loop_location): Declare.
2989         Reorganize function declarations according to the new file structure.
2990         * tree-vect-loop.c: New file.
2991         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
2992         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
2993         * tree-vect-data-refs.c: New file.
2994         * tree-vect-patterns.c (timevar.h): Don't include.
2995         * tree-vect-stmts.c: New file.
2996         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
2997         tree-vect-slp.c, tree-vect-loop.c.
2998         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
2999         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
3000         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3001         (tree-vect-analyze.o): Remove.
3002         (tree-vect-transform.o): Likewise.
3003         (tree-vect-data-refs.o): Add rule.
3004         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
3005         tree-vect-slp.o): Likewise.
3006         (tree-vect-patterns.o): Remove redundant dependencies.
3007         (tree-vectorizer.o): Likewise.
3008         * tree-vect-slp.c: New file.
3010 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3012         * optc-gen.awk: Warn if an option flag has multiple different
3013         help strings.
3015 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3017         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3018         -floop-block): Document dependences on PPL, CLooG and Graphite.
3020 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3022         PR rtl-optimization/323
3023         * c-common.c (c_fully_fold, convert_and_check,
3024         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3025         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3026         * c-common.def (EXCESS_PRECISION_EXPR): New.
3027         * c-cppbuiltin.c (builtin_define_float_constants): Define
3028         constants with enough digits for long double.
3029         * c-lex.c (interpret_float): Interpret constant with excess
3030         precision where appropriate.
3031         * c-opts.c (c_common_post_options): Set
3032         flag_excess_precision_cmdline.  Give an error for
3033         -fexcess-precision=standard for C++ for processors where the
3034         option is significant.
3035         * c-parser.c (c_parser_conditional_expression): Handle excess
3036         precision in condition.
3037         * c-typeck.c (convert_arguments): Handle arguments with excess
3038         precision.
3039         (build_unary_op): Move excess precision outside operation.
3040         (build_conditional_expr): Likewise.
3041         (build_compound_expr): Likewise.
3042         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3043         (build_modify_expr): Handle excess precision in RHS.
3044         (convert_for_assignment): Handle excess precision in converted
3045         value.
3046         (digest_init, output_init_element, process_init_element): Handle
3047         excess precision in initializer.
3048         (c_finish_return): Handle excess precision in return value.
3049         (build_binary_op): Handle excess precision in operands and add
3050         excess precision as needed for operation.
3051         * common.opt (-fexcess-precision=): New option.
3052         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3053         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3054         For standard excess precision, output explicit conversion to and
3055         truncation from XFmode.
3056         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3057         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3058         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3059         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3060         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3061         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3062         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3063         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3064         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3065         define_splits, sqrt<mode>2): Disable where appropriate for
3066         standard excess precision.
3067         * convert.c (convert_to_real): Do not shorten arithmetic to type
3068         for which excess precision would be used.
3069         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3070         * doc/invoke.texi (-fexcess-precision=): Document option.
3071         (-mfpmath=): Correct index entry.
3072         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3073         flag_excess_precision): New.
3074         * langhooks.c (lhd_post_options): Set
3075         flag_excess_precision_cmdline.
3076         * opts.c (common_handle_option): Handle -fexcess-precision=.
3077         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3078         init_excess_precision): New.
3079         (lang_dependent_init_target): Call init_excess_precision.
3080         * tree.c (excess_precision_type): New.
3081         * tree.h (excess_precision_type): Declare.
3083 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3085         PR c/35235
3086         * c-typeck.c (build_component_ref): Do not copy qualifiers from
3087         non-lvalue to component.
3089 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3091         PR preprocessor/34695
3092         * Makefile.in (c-opts.o): Depend on c-tree.h.
3093         * c-common.c: Move down include of diagnostic.h.
3094         (done_lexing, c_cpp_error): New.
3095         * c-common.h (done_lexing): Declare.
3096         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3097         (parse_in).
3098         * c-opts.c: Include c-tree.h.
3099         (c_common_init_options): Set preprocessor error callback.
3100         (c_common_handle_option): Do not set preprocessor
3101         inhibit_warnings, warnings_are_errors, warn_system_headers,
3102         pedantic_errors or inhibit_warnings flags.
3103         (c_common_post_options): Do not check cpp_errors (parse_in).
3104         (c_common_finish): Do not output dependencies if there were
3105         errors.  Do not check return value of cpp_finish.
3106         * c-ppoutput.c (pp_file_change): Set input_location.
3107         * c-tree.h (c_cpp_error): Declare.
3108         * diagnostic.c (diagnostic_set_info_translated): Also initialize
3109         override_column.
3110         (diagnostic_build_prefix): Check override_column.
3111         * diagnostic.h (diagnostic_info): Add override_column field.
3112         (diagnostic_override_column): Define.
3114 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
3116         * c-common.c (c_expand_expr, c_staticp): Remove.
3117         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3118         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3119         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3120         * c-gimplify.c (gimplify_compound_literal_expr,
3121         optimize_compound_literals_in_ctor): Remove.
3122         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3123         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3124         * c-semantics.c (emit_local_var): Remove.
3126         * langhooks-def.h (lhd_expand_expr): Remove.
3127         * langhooks.c (lhd_expand_expr): Remove.
3128         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3130         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3131         handling from c-semantics.c; don't call into langhook.
3132         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3133         * gimplify.c (gimplify_compound_literal_expr,
3134         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3135         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3136         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3137         as was done in c-gimplify.c.
3138         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3139         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3140         Move from c-common.h.
3141         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3143         * tree.c (staticp): Do not call langhook.
3144         * langhooks.c (lhd_staticp): Delete.
3145         * langhooks-def.h (lhd_staticp): Delete prototype.
3146         (LANG_HOOKS_STATICP): Delete.
3147         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3149         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3150         instead of DECL_STMTs.
3152 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3154         PR c/456
3155         PR c/5675
3156         PR c/19976
3157         PR c/29116
3158         PR c/31871
3159         PR c/35198
3160         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3161         void_type_node.
3162         (fold_call_expr): Return a NOP_EXPR from folding rather than the
3163         contained expression.
3164         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3165         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
3166         conditional expressions for C.
3167         (decl_constant_value_for_optimization): Move from
3168         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
3169         whether optimizing and that the expression is a VAR_DECL not of
3170         array type instead of doing such checks in the caller.  Do not
3171         check pedantic.  Call gcc_unreachable for C++.
3172         * c-common.def (C_MAYBE_CONST_EXPR): New.
3173         * c-common.h (c_fully_fold, c_save_expr,
3174         decl_constant_value_for_optimization): New prototypes.
3175         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3176         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3177         EXPR_INT_CONST_OPERANDS): Define.
3178         * c-convert.c (convert): Strip nops from expression.
3179         * c-decl.c (groktypename): Take extra parameters expr and
3180         expr_const_operands.  Update call to grokdeclarator.
3181         (start_decl): Update call to grokdeclarator.  Add statement for
3182         expressions used in type of decl.
3183         (grokparm): Update call to grokdeclarator.
3184         (push_parm_decl): Update call to grokdeclarator.
3185         (build_compound_literal): Add parameter non_const and build a
3186         C_MAYBE_COSNT_EXPR if applicable.
3187         (grokdeclarator): Take extra parameters expr and
3188         expr_const_operands.  Track expressions used in declaration
3189         specifiers and declarators.  Fold array sizes and track whether
3190         they are constant expressions and whether they are integer
3191         constant expressions.
3192         (parser_xref_tag): Set expr and expr_const_operands fields in
3193         return value.
3194         (grokfield): Update call to grokdeclarator.
3195         (start_function): Update call to grokdeclarator.
3196         (build_null_declspecs): Set expr and expr_const_operands fields in
3197         return value.
3198         (declspecs_add_type): Handle expressions in typeof specifiers.
3199         * c-parser.c (c_parser_declspecs): Set expr and
3200         expr_const_operands fields for declaration specifiers.
3201         (c_parser_enum_specifier): Likewise.
3202         (c_parser_struct_or_union_specifier): Likewise.
3203         (c_parser_typeof_specifier): Likewise.  Update call to
3204         groktypename.  Fold expression as needed.  Return expressions with
3205         type instead of adding statements.
3206         (c_parser_attributes): Update calls to c_parser_expr_list.
3207         (c_parser_statement_after_labels): Fold expression before passing
3208         to objc_build_throw_stmt.
3209         (c_parser_condition): Fold expression.
3210         (c_parser_asm_operands): Fold expression.
3211         (c_parser_conditional_expression): Use c_save_expr.  Update call
3212         to build_conditional_expr.
3213         (c_parser_alignof_expression): Update call to groktypename.
3214         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3215         original_code.  Fold expression argument of va_arg.  Create
3216         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3217         argument to va_arg.  Update calls to groktypename.  Fold array
3218         index for offsetof.  Verify that first argument to
3219         __builtin_choose_expr has integer type.
3220         (c_parser_postfix_expression_after_paren_type): Update calls to
3221         groktypename and build_compound_literal.  Handle expressions with
3222         side effects in type name.
3223         (c_parser_postfix_expression_after_primary): Update call to
3224         c_parser_expr_list.  Set original_code for calls to
3225         __builtin_constant_p.
3226         (c_parser_expr_list): Take extra parameter fold_p.  Fold
3227         expressions if requested.
3228         (c_parser_objc_type_name): Update call to groktypename.
3229         (c_parser_objc_synchronized_statement): Fold expression.
3230         (c_parser_objc_receiver): Fold expression.
3231         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3232         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3233         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3234         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3235         (struct c_typespec): Add elements expr and expr_const_operands.
3236         (struct c_declspecs): Add elements expr and expr_const_operands.
3237         (groktypename, build_conditional_expr, build_compound_literal):
3238         Update prototypes.
3239         (in_late_binary_op): Declare.
3240         * c-typeck.c (note_integer_operands): New function.
3241         (in_late_binary_op): New variable.
3242         (decl_constant_value_for_broken_optimization): Move to c-common.c
3243         and rename to decl_constant_value_for_optimization.
3244         (default_function_array_conversion): Do not strip nops.
3245         (default_conversion): Do not call
3246         decl_constant_value_for_broken_optimization.
3247         (build_array_ref): Do not fold result.
3248         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
3249         result when operand is a VLA.
3250         (c_expr_sizeof_type): Update call to groktypename.  Handle
3251         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
3252         result when operand names a VLA type.
3253         (build_function_call): Update call to build_compound_literal.
3254         Only fold result for calls to __builtin_* functions.  Strip
3255         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
3256         the function designator.
3257         (convert_arguments): Fold arguments.  Update call to
3258         convert_for_assignment.
3259         (build_unary_op): Handle increment and decrement of
3260         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
3261         decrement earlier.  Fold operand of increment and decrement.
3262         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
3263         built for integer operand.  Wrap returns that are INTEGER_CSTs
3264         without being integer constant expressions or that have integer
3265         constant operands without being INTEGER_CSTs.
3266         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3267         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
3268         result is an integer constant expression or can be used in
3269         unevaluated parts of one and avoid folding and wrap as
3270         appropriate.  Fold operands before possibly doing -Wsign-compare
3271         warnings.
3272         (build_compound_expr): Wrap result for C99 if operands can be used
3273         in integer constant expressions.
3274         (build_c_cast): Update call to digest_init.  Do not ignore
3275         overflow from casting floating-point constants to integers.  Wrap
3276         results that could be confused with integer constant expressions,
3277         null pointer constants or floating-point constants.
3278         (c_cast_expr): Update call to groktypename.  Handle expressions
3279         included in type name.
3280         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
3281         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
3282         Update calls to convert_for_assignment.
3283         (convert_for_assignment): Take new parameter
3284         null_pointer_constant.  Do not strip nops or call
3285         decl_constant_value_for_broken_optimization.  Set
3286         in_late_binary_op for conversions to boolean.
3287         (store_init_value): Update call to digest_init.
3288         (digest_init): Take new parameter null_pointer_constant.  Do not
3289         call decl_constant_value_for_broken_optimization.  pedwarn for
3290         initializers not constant expressions.  Update calls to
3291         convert_for_assignment.
3292         (constructor_nonconst): New.
3293         (struct constructor_stack): Add nonconst element.
3294         (really_start_incremental_init, push_init_level, pop_init_level):
3295         Handle constructor_nonconst and nonconst element.
3296         (set_init_index): Call constant_expression_warning for array
3297         designators.
3298         (output_init_element): Fold value.  Set constructor_nonconst as
3299         applicable.  pedwarn for initializers not constant expressions.
3300         Update call to digest_init.  Call constant_expression_warning
3301         where constant initializers are required.
3302         (process_init_element): Use c_save_expr.
3303         (c_finish_goto_ptr): Fold expression.
3304         (c_finish_return): Fold return value.  Update call to
3305         convert_for_assignment.
3306         (c_start_case): Fold switch expression.
3307         (c_process_expr_stmt): Fold expression.
3308         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3309         ensure statement expression is not evaluated in constant expression.
3310         (build_binary_op): Track whether results are integer constant
3311         expressions or may occur in such, disable folding and wrap results
3312         as applicable.  Fold operands for -Wsign-compare warnings unless
3313         in_late_binary_op.
3314         (c_objc_common_truthvalue_conversion): Handle results folded to
3315         integer constants that are not integer constant expressions.
3316         * doc/extend.texi: Document when typeof operands are evaluated,
3317         that condition of __builtin_choose_expr is an integer constant
3318         expression, and more about use of __builtin_constant_p in
3319         initializers.
3321 2009-03-29  Richard Guenther  <rguenther@suse.de>
3323         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3324         propagate addresses of array references.
3326 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3328         * regmove.c (perhaps_ends_bb_p): Remove.
3329         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
3330         from INSN and check that the main loop stays within that basic block.
3331         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3332         (regmove_forward_pass): Split out from regmove_optimize.  Use
3333         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3334         (regmove_backward_pass): Split out from regmove_optimize.  Use
3335         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3336         (regmove_optimize): Simplify.
3338 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3340         PR target/39545
3341         * config/i386/i386.c (classify_argument): Ignore flexible array
3342         member in struct and warn ABI change.
3344 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3346         * config/i386/i386-protos.h (ix86_agi_dependent): New.
3348         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3349         (ix86_adjust_cost): Updated.
3351 2009-03-29  Jan Hubicka  <jh@suse.cz>
3353         PR middle-end/28850
3354         * tree-pass.h (pass_cleanup_eh): New function.
3355         (remove_unreachable_regions): Break code handling RTL
3356         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3357         that can not be reached by runtime.
3358         (can_be_reached_by_runtime): New function.
3359         (label_to_region_map): New function.
3360         (num_eh_regions): New function.
3361         (rtl_remove_unreachable_regions): New function.
3362         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3363         (remove_eh_region): New function.
3364         * except.h: Include sbitmap and vecprim.
3365         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3366         num_eh_regions): Declare.
3367         * passes.c (init_optimization_passes): Schedule cleanup_eh.
3368         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3369         * tree-eh.c (tree_remove_unreachable_handlers): New function.
3370         (tree_empty_eh_handler_p): New function.
3371         (cleanup_empty_eh): New function.
3372         (cleanup_eh): New function.
3373         (pass_cleanup_eh): New function.
3375 2009-03-29  Jan Hubicka  <jh@suse.cz>
3377         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3378         for removed regions.
3380 2009-03-29  Jan Hubicka  <jh@suse.cz>
3382         * except.c (dump_eh_tree): Dump all datastructures.
3384 2009-03-29  Jan Hubicka  <jh@suse.cz>
3386         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3387         (duplicate_eh_regions_1): Likewise.
3388         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3389         vector; call EH verification.
3390         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3391         Be ready for region being removed.
3393 2009-03-29  Jan Hubicka  <jh@suse.cz>
3395         * bitmap.c (bitmap_last_set_bit): New function.
3396         * bitmap.h (bitmap_last_set_bit): Declare.
3398 2009-03-29  David Ayers  <ayers@fsfe.org>
3400         PR objc/27377
3401         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3402         by calling objc_compare_types and surpress warnings about
3403         incompatible C pointers that are compatible ObjC pointers.
3404         
3405 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
3407         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3408         call initialize_inline_failed.
3409         (initialize_inline_failed): Move it from here ...
3410         * cgraph.c (initialize_inline_failed): ... to here.
3411         (cgraph_create_edge): Call initialize_inline_failed rather than
3412         setting inline_failed directly.
3414 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3416         PR target/32542
3417         * sysv4.opt (msdata): Improve comment.
3418         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3419         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3421 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3423         PR target/30451
3424         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3425         load and store attributes.
3427 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3429         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3430         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3431         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3432         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3433         __builtin_infq and __builtin_huge_valq.
3435 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3437         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3438         atmega8m1 devices.
3439         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3440         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3442 2009-03-28  Xinliang David Li  <davidxl@google.com>
3444         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
3445         (do_dbg_cnt): New function.
3447 2009-03-28  Jan Hubicka  <jh@suse.cz>
3449         Merge from pretty-ipa:
3451         2009-03-27  Jan Hubicka  <jh@suse.cz>
3453         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3454         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3455         * passes.c (function_called_by_processed_nodes_p): New.
3456         * ipa-pure-const.c (check_call): Fix handling of operands.
3457         (analyze_function): Dump debug output for skipped bodies.
3458         (local_pure_const): Use function_called_by_processed_nodes_p.
3459         * dwarf2out.c (reference_to_unused): Use output.
3460         * passes.c (do_per_function_toporder): Likewise.
3462         2008-11-12  Jan Hubicka  <jh@suse.cz>
3464         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3465         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3466         state_set_in_source enum
3467         (check_decl): Ignore memory tags; do not set fake looping flags;
3468         dump diagnostics.
3469         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3470         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3471         (check_call, analyze_function): Rewrite.
3472         (check_stmt): New.
3473         (add_new_function): Update call of analyze_function.
3474         (generate_summary): Add call of analyze_function.
3475         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3476         (local_pure_const): New function.
3477         (pass_local_pure_const): New pass.
3478         * ipa-inline.c (inline_transform): Set after_inlining.
3479         * tree-eh.c (stmt_can_throw_external): New.
3480         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3481         work with aliasing built.
3482         * tree-flow.h (stmt_can_throw_external): New.
3483         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3484         and local pure/const pass in early and late optimization queue.
3486 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3488         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3489         allow_func_align.
3490         (fold_binary): Allow function decl aligment consideration is the
3491         second argument is integer constant one.
3492         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3493         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3494         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3496 2009-03-28  Jan Hubicka  <jh@suse.cz>
3498         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3499         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3500         * function.h (rtl_data): Add nothrow flag.
3501         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3502         set DECL_NOTHROW for AVAILABLE functions.
3504 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3506         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3507         following vector keyword has expansion starting with pixel or bool
3508         keyword, expand vector to __vector and pixel or bool to __pixel or
3509         __bool.
3511         PR c++/39554
3512         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3513         warn_if_disallowed_function_p): Removed.
3514         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3515         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3516         warning_if_disallowed_function_p.
3517         * flags.h (warn_if_disallowed_function_p,
3518         warn_disallowed_functions): Removed.
3519         * common.opt (Wdisallowed-function-list=): Removed.
3520         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3522 2009-03-28  Richard Guenther  <rguenther@suse.de>
3524         PR tree-optimization/38723
3525         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3526         the entry block.
3528 2009-03-28  Jan Hubicka  <jh@suse.cz>
3530         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3531         test introduced by my previous patch.
3533 2009-03-28  Richard Guenther  <rguenther@suse.de>
3535         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3536         the PHIs value undefined.
3538 2009-03-28  Jan Hubicka  <jh@suse.cz>
3540         * tree-pass.h (pass_fixup_cfg): New pass.
3541         * ipa-inline.c (inline_transform): Set
3542         always_inline_functions_inlined/after_inlining.
3543         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3544         (pass_fixup_cfg): New pass.
3545         * passes.c (init_optimization_passes): Add fixup_cfg.
3547 2009-03-28  Richard Guenther  <rguenther@suse.de>
3549         PR tree-optimization/38458
3550         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3551         argument use the arguments copy-of value.
3553 2009-03-28  Richard Guenther  <rguenther@suse.de>
3555         PR tree-optimization/38180
3556         * tree-ssa-ccp.c (get_default_value): Simplify.
3557         (likely_value): Likewise.
3558         (surely_varying_stmt_p): Properly handle VOP case.
3559         (ccp_initialize): Likewise.
3560         (ccp_fold): Handle propagating through *&.
3561         (fold_const_aggregate_ref): Also handle decls.
3563 2009-03-28  Jan Hubicka  <jh@suse.cz>
3565         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3566         * cgraph.h (cgraph_node): Likewise.
3567         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3568         (cgraph_reset_node): Use process flag.
3569         (cgraph_mark_functions_to_output): Likewise.
3570         (cgraph_expand_function): Likewise.
3571         (cgraph_expand_all_functions): Likewise.
3572         (cgraph_output_in_order): Likewise.
3573         * dwarf2out.c (reference_to_unused): Likewise.
3574         * passes.c do_per_function_toporder): Likewise.
3576 2009-03-28  Jan Hubicka  <jh@suse.cz>
3578         Bring from lto-branch:
3580         2008-09-03  Doug Kwan  <dougkwan@google.com>
3582         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3583         enums instead of reason strings.
3584         * cgraph.c (cgraph_create_edge): Same.
3585         (cgraph_inline_failed_string): New function.
3586         * cgraph.h (cgraph_inline_failed_t): New enum type.
3587         (cgraph_inline_failed_string): New prototype.
3588         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3589         char pointer to cgraph_inline_failed_t.
3590         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3591         (cgraph_default_inline_p): Ditto.
3592         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3593         to cgraph_inline_failed_t pointer.
3594         * cif-code.def: New file.
3595         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3596         reason string.
3597         (cgraph_check_inline_limits): Change type of REASON to pointer to
3598         cgraph_inline_failed_t.  Replace reason strings with enums.
3599         (cgraph_default_inline_p): Ditto.
3600         (cgraph_recursive_inlining_p): Ditto.
3601         (update_caller_keys): Change type of FAILED_REASON to
3602         cgraph_inline_failed_t.
3603         (cgraph_set_inline_failed): Change type of REASON to pointer to
3604         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3605         convert enums to strings for text output.
3606         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3607         to be of type cgraph_inline_failed_t.  Replace reason strings with
3608         enums.  Call cgraph_inline_failed_string to covert enums
3609         to strings for text output.
3610         (cgraph_decide_inlining): Replace reason strings with enums.
3611         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3612         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3613         for text output.
3614         * tree-inline.c (expand_call_inline): Change type of REASON
3615         to cgraph_inline_failed_t.  Replace reason strings with enums.
3616         Call cgraph_inline_failed_string for text output.
3617         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3618         (cgraph.o): Ditto.
3620 2009-03-28  Jan Hubicka  <jh@suse.cz>
3622         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3623         cgraph_clone_node): Remove master clone handling.
3624         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3625         * cgraph.h (master_clone): Remove.
3626         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3627         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3628         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3630 2009-03-28  Jan Hubicka  <jh@suse.cz>
3632         * cgraph.c (cgraph_function_body_availability): Functions declared
3633         inline are always safe to assume that it is not going to be replaced.
3635 2009-03-28  Richard Guenther  <rguenther@suse.de>
3637         PR tree-optimization/38513
3638         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3639         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3640         EXC_PTR_EXPR and FILTER_EXPR.
3641         (get_ref_from_reference_ops): Likewise.
3643 2009-03-28  Richard Guenther  <rguenther@suse.de>
3645         PR tree-optimization/38968
3646         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3647         Use FLOOR_MOD_EXPR to compute misalignment.
3649 2009-03-28  Richard Guenther  <rguenther@suse.de>
3651         PR tree-optimization/37795
3652         * tree.h (combine_comparisons): Declare.
3653         * fold-const.c (combine_comparisons): Export.
3654         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3655         comparisons.
3656         (ifcombine_iforif): Use combine_comparisons.
3658 2009-03-28  Jan Hubicka  <jh@suse.cz>
3660         * tree-eh.c (inlinable_call_p): New function.
3661         (make_eh_edges): Use it.
3662         (verify_eh_edges): Use it.
3663         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3664         * except.c (reachable_next_level): Add inlinable_function argument
3665         (sjlj_find_directly_reachable_regions): Update.
3666         (add_reachable_handler): Do not set saw_any_handlers.
3667         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3668         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3669         Add new inlinable call parameter.
3670         (can_throw_internal, can_throw_external): Update.
3671         * except.h (can_throw_internal_1, can_throw_external_1,
3672         foreach_reachable_handler): Update declaration.
3674 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3676         * config/arm/t-arm-coff, config/h8300/coff.h,
3677         config/i386/i386-aout.h, config/i386/i386-coff.h,
3678         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3679         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3680         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3681         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3682         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3683         sys-types.h: Remove.
3684         * Makefile.in: Remove protoize and fixproto support and references
3685         in comments.
3686         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3687         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3688         Remove.
3689         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3690         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3691         unprotoize$(exeext).
3692         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3693         (.PHONY): Don't depend on proto.
3694         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3695         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3696         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3697         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3698         build/gen-protos.o, build/scan.o, xsys-protos.h,
3699         build/fix-header$(build_exeext), build/fix-header.o,
3700         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3701         stmp-install-fixproto): Remove.
3702         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3703         SYSCALLS.c or fixproto files.
3704         (install-common): Don't install protoize.
3705         (install-headers-tar, install-headers-cpio, install-headers-cp):
3706         Don't depend on $(STMP_FIXPROTO).
3707         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
3708         install fixproto files or write out fixproto settings.
3709         (uninstall): Don't uninstall protoize.
3710         * config.gcc (use_fixproto): Remove.
3711         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3712         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3713         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3714         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3715         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3716         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3717         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3718         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3719         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3720         * config/t-vxworks (STMP_FIXPROTO): Remove.
3721         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3722         STMP_FIXPROTO): Remove.
3723         * config.in, configure: Regenerate.
3724         * crtstuff.c (gid_t, uid_t): Don't undefine.
3725         * doc/install.texi: Change m68k-coff to m68k-elf in example.
3726         (arm-*-coff, arm-*-aout: Remove target entries.
3727         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3728         Remove mention of AIX 4.1.
3729         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3730         * doc/invoke.texi (Running Protoize): Remove.
3731         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3732         (Protoize Caveats): Remove.
3733         * tsystem.h: Update comments on headers assumed to exist.
3735 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
3737         * genautomata.c: Add a new year to the copyright.  Add a new
3738         reference.
3739         (struct insn_reserv_decl): Add comments for member bypass_list.
3740         (find_bypass): Remove.
3741         (insert_bypass): New.
3742         (process_decls): Use insert_bypass.
3743         (output_internal_insn_latency_func): Output all bypasses with the
3744         same input insn in one switch case.
3746         * rtl.def (define_bypass): Describe bypass choice.
3747         * doc/md.texi (define_bypass): Ditto.
3749 2009-03-27  Richard Guenther  <rguenther@suse.de>
3751         * gimplify.c (mark_addressable): Export.
3752         * tree-flow.h (mark_addressable): Declare.
3753         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3754         * tree-ssa.c (verify_phi_args): Verify that address taken
3755         variables have TREE_ADDRESSABLE set.
3757 2009-03-27  Richard Guenther  <rguenther@suse.de>
3759         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3760         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
3761         Do not mark decls TREE_ADDRESSABLE.
3762         (build_fold_addr_expr): Adjust.
3763         (fold_addr_expr): Remove.
3764         (fold_unary): Use build_fold_addr_expr.
3765         (fold_comparison): Likewise.
3766         (split_address_to_core_and_offset): Likewise.
3767         * coverage.c (tree_coverage_counter_addr): Mark the array decl
3768         TREE_ADDRESSABLE.
3769         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3770         (gimplify_modify_expr_to_memcpy): Mark source and destination
3771         addressable.
3772         * omp-low.c (create_omp_child_function): Mark the object decl
3773         TREE_ADDRESSABLE.
3774         (lower_rec_input_clauses): Mark the var we take the address of
3775         TREE_ADDRESSABLE.
3776         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3778 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3780         PR middle-end/39315
3781         * cfgexpand.c (expand_one_stack_var_at): Change alignment
3782         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3784 2009-03-27  Richard Guenther  <rguenther@suse.de>
3786         PR tree-optimization/39120
3787         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3788         constraints.
3789         (handle_lhs_call): Process return constraints.  Add escape
3790         constraints if necessary.
3791         (handle_const_call): Fill out return constraints.  Make nested
3792         case more precise.  Avoid consttmp if possible.
3793         (handle_pure_call): Fill out return constraints.  Avoid
3794         callused if possible.
3795         (find_func_aliases): Simplify call handling.
3797 2009-03-27  Richard Guenther  <rguenther@suse.de>
3799         PR tree-optimization/39120
3800         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3801         as a representative.
3802         (solve_graph): Do propagate CALLUSED.
3803         (handle_pure_call): Use a scalar constraint from CALLUSED for
3804         the return value.
3805         (find_what_p_points_to): CALLUSED shall not appear in poins-to
3806         solutions.
3808 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3810         PR c/39323
3811         * c-common.c (handle_aligned_attribute): Properly check alignment
3812         overflow.  Use (1U << i) instead of (1 << i).
3814         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3816         * expr.h (get_mem_align_offset): Updated.
3818         * tree.h (tree_decl_common): Change align to "unsigned int" and
3819         move it before pointer_alias_set.
3821 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3822             Jakub Jelinek  <jakub@redhat.com>
3824         PR target/38034
3825         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3826         gr_register_operand with gr_reg_or_0_operand.
3827         (cmpxchg_rel_di): Likewise.
3828         (sync_lock_test_and_set<mode>): Likewise.
3830 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3832         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3833         (true_regnum): Likewise.
3835         * rtlanal.c (subreg_info): Moved to ...
3836         * rtl.h (subreg_info): Here.  New.
3837         (subreg_get_info): New.
3839         * rtlanal.c (subreg_get_info): Make it extern.
3841 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3843         PR target/39472
3844         * config/i386/i386.c (ix86_abi): New.
3845         (override_options): Handle -mabi=.
3846         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3847         (ix86_call_abi_override): Likewise.
3848         (init_cumulative_args): Likewise.
3849         (function_arg_advance): Likewise.
3850         (function_arg_64): Likewise.
3851         (function_arg): Likewise.
3852         (ix86_pass_by_reference): Likewise.
3853         (ix86_function_value_regno_p): Likewise.
3854         (ix86_build_builtin_va_list_abi): Likewise.
3855         (setup_incoming_varargs_64): Likewise.
3856         (is_va_list_char_pointer): Likewise.
3857         (ix86_init_machine_status): Likewise.
3858         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3859         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
3860         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
3861         (ix86_function_abi): Make it static and return enum calling_abi.
3862         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
3863         with ix86_abi.
3864         (ix86_fn_abi_va_list): Updated.
3866         * config/i386/i386.h (ix86_abi): New.
3867         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3868         (CONDITIONAL_REGISTER_USAGE): Likewise.
3869         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3870         (machine_function): Likewise.
3872         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3873         with ix86_abi.
3874         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3875         (STACK_BOUNDARY): Likewise.
3876         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3878         * config/i386/i386.opt (mabi=): New.
3880         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3881         return enum calling_abi.
3882         (ix86_function_type_abi): Likewise.
3883         (ix86_function_abi): Removed.
3885         * doc/invoke.texi: Document -mabi= option for x86.
3887 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3889         * builtins.c (real_dconstp): Delete.
3890         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3892 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
3893             Jakub Jelinek  <jakub@redhat.com>
3895         PR debug/37959
3896         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3897         (gen_subprogram_die): When a function is explicit, generate the
3898         DW_AT_explicit attribute.
3899         * langhooks.h (struct lang_hooks_for_decls): Add
3900         function_decl_explicit_p langhook.
3901         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3902         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3904 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
3906         * builtins.c (fold_builtin_memory_op): Optimize memmove
3907         into memcpy if we can prove source and destination don't overlap.
3909         * tree-inline.c: Include gt-tree-inline.h.
3910         (clone_fn_id_num): New variable.
3911         (clone_function_name): New function.
3912         (tree_function_versioning): Use it.
3913         * Makefile.in (GTFILES): Add tree-inline.c.
3915 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
3917         * BASE-VER: Change to 4.5.0.
3919 2009-03-27  Xinliang David Li  <davidxl@google.com>
3921         PR tree-optimization/39557
3922         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3924 2009-03-27  Xinliang David Li  <davidxl@google.com>
3926         PR tree-optimization/39548
3927         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
3928         candidate check.
3930 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3932         * c-common.c (pointer_int_sum): Use %wd on return from
3933         tree_low_cst.
3935 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3937         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3938         on return from tree_low_cst.
3940 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3942         PR c++/36799
3943         * ginclude/stdarg.h (va_copy): Define also for
3944         __GXX_EXPERIMENTAL_CXX0X__.
3946 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3948         PR c++/35652
3949         * builtins.h (c_strlen): Do not warn here.
3950         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3951         * c-common.c (pointer_int_sum): Take an explicit location.
3952         Warn about offsets out of bounds.
3953         * c-common.h (pointer_int_sum): Adjust declaration.
3955 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3957         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
3958         markup glitch.
3960 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
3962         PR c++/39554
3963         * opts.c (warn_if_disallowed_function_p): Don't assume
3964         get_callee_fndecl must return non-NULL.
3966 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
3968         PR rtl-optimization/39522
3969         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
3970         when reg_reloaded_valid is set.
3972 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3974         * config/spu/divv2df3.c: New file.
3975         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
3976         (DPBIT_FUNCS): Filter out _div_df.
3978 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
3980         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
3981         a jump insn, count that jump in the distance to the loop start.
3983 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3985         PR target/39523
3986         * config/sh/sh.c (calc_live_regs): Fix condition for global
3987         registers except PIC_OFFSET_TABLE_REGNUM.
3989 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
3991         PR/39518
3992         * doc/invoke.texi (-mconsole): New.
3993         (-mcygwin): New.
3994         (-mno-cygwin): New.
3995         (-mdll): New.
3996         (-mnop-fun-dllimport): New.
3997         (-mthread): New.
3998         (-mwin32): New.
3999         (-mwindows): New.
4000         (sub section "i386 and x86-64 Windows Options"): New.
4002 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
4004         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4005         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4007 2009-03-25  Richard Guenther  <rguenther@suse.de>
4009         PR middle-end/39497
4010         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4011         of -Wno-error.
4013 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
4015         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4016         neither of haifa/selective schedulers are working.
4018 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4020         * doc/invoke.texi (Debugging Options): Fix description of
4021         -fno-merge-debug-strings.
4023 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
4025         * config/cris/libgcc.ver: New version-script.
4026         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4028         * configure.ac <GAS features, nop mnemonic>: Add pattern
4029         crisv32-*-* for "nop".
4030         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4031         * configure: Regenerate.
4033 2009-03-24  Ira Rosen  <irar@il.ibm.com>
4035         PR tree-optimization/39529
4036         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4037         mark_sym_for_renaming for the tag copied to the new vector
4038         pointer.
4040 2009-03-24  Arthur Loiret  <aloiret@debian.org>
4042         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4043         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4044         EXTRA_SPEC_FUNCTIONS.
4045         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4046         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4047         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4048         -march and -mtune options.
4050 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
4052         * config/m68k/t-rtems: Add m5329 multilib.
4054 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
4055             Jakub Jelinek  <jakub@redhat.com>
4057         PR debug/39524
4058         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4059         nodes.
4061 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4063         PR c/39495
4064         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4065         instead of c_parser_expression_conv, if original_code isn't one of the
4066         4 allowed comparison codes, fail.
4068 2009-03-23  Richard Guenther  <rguenther@suse.de>
4070         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4071         * tree.h (struct tree_type): Likewise.
4072         * reload.h (struct insn_chain): Likewise.
4073         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4074         * function.h (struct function): Likewise.
4075         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4077 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4079         PR tree-optimization/39516
4080         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4082 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
4084         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
4085         should be set true if BITS_PER_WORD of target is bigger than 32
4087 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
4089         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4090         Translate -B-options to -rpath-link.  Correct existing
4091         rpath-link and conditionalize on !nostdlib.
4093 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4095         * doc/extend.texi (Function Attributes, Variable Attributes):
4096         Fix typos.
4097         * doc/invoke.texi (Debugging Options, Optimize Options)
4098         (i386 and x86-64 Options, MCore Options): Likewise.
4100 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
4102         PR debug/37890
4103         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4104         it for block local namespace aliases.
4105         (gen_decl_die): Pass context_die to gen_namespace_die.
4107 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4109         PR c/39495
4110         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4111         minimum or maximum value.
4113 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
4115         * reginfo.c (globalize_reg): Recompute derived reg sets.
4117 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
4119         PR target/39063
4120         * libgcc2.c (mprotect): Do not use signed arguments for
4121         VirtualProtect, use DWORD arguments.  Also fix the 'may
4122         be used uninitialized' warning for the np variable.
4124 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4126         PR target/39496
4127         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4128         functions using regparm calling conventions when not optimizing.
4129         (ix86_function_sseregparm): Similarly for sseregparm calling
4130         conventions.
4132 2009-03-19  Li Feng  <nemokingdom@gmail.com>
4134         PR middle-end/39500
4135         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4136         dependence if the first conflict is after niter iterations.
4138 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
4140         PR middle-end/38609
4141         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4142         functions with dynamic stack-pointer adjustments.
4144 2009-03-19  Ben Elliston  <bje@au.ibm.com>
4146         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4147         option; change to -msdata=data.
4149 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4151         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4152         and -fopenmp.
4154 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
4156         PR target/35180
4157         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4159 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
4161         * doc/invoke.texi (Code Gen Options): Expand discussion of
4162         -fno-common.
4164 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
4166         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4167         * matrix-reorg.c (struct matrix_info): Likewise.
4168         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4169         * rtl.h (struct mem_attrs): Likewise.
4170         * df.h (struct df): Likewise.
4171         * tree-data-ref.h (struct data_dependence_relation): Likewise.
4172         * ira-int.h (struct ira_allocno): Likewise.
4173         * df-scan.c (struct df_collection_rec): Likewise.
4174         * ira.c (struct equivalence): Likewise.
4175         * function.c (struct temp_slot): Likewise.
4176         * cfgloop.h (struct loop): Likewise.
4178         PR debug/39485
4179         * function.c (use_register_for_decl): When not optimizing, disregard
4180         register keyword for variables with types containing methods.
4182 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
4184         PR middle-end/39447
4185         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4186         (is_simple_operand): Call contains_component_ref_p before calling data
4187         reference analysis that would fail on COMPONENT_REFs.
4189         * tree-vrp.c (search_for_addr_array): Fix formatting.
4191 2009-03-18  Richard Guenther  <rguenther@suse.de>
4193         * tree-vect-transform.c (vect_loop_versioning): Fold the
4194         generated comparisons.
4195         * tree-vectorizer.c (set_prologue_iterations): Likewise.
4196         (slpeel_tree_peel_loop_to_edge): Likewise.
4198 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4200         PR middle-end/37805
4201         * opts.c (print_specific_help): In addition to `undocumented',
4202         accept `separate' and `joined' flags if passed alone.  Describe
4203         output by the first matched one of those.
4204         (common_handle_option): Skip over empty strings.
4205         * gcc.c (display_help): Fix help string for `--help='.
4206         * doc/invoke.texi (Option Summary, Overall Options): With
4207         `--help=', classes and qualifiers can both be repeated, but
4208         only the latter can be negated.  One should not pass only
4209         negated qualifiers.  Fix markup and examples.
4211         Revert
4212         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
4213         PR middle-end/37805
4214         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4215         and -fhelp=separate.
4217 2009-03-17  Jing Yu  <jingyu@google.com>
4219         PR middle-end/39378
4220         * function.h (struct rtl_data): Move is_thunk from here...
4221         (struct function): ...to here.
4222         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4223         * varasm.c (assemble_start_function): Change is_thunk from crtl to
4224         cfun.
4225         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4226         cfun.
4227         (alpha_does_function_need_gp, alpha_start_function): Likewise.
4228         (alpha_output_function_end_prologue): Likewise.
4229         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4230         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4231         (rs6000_output_function_epilogue): Likewise.
4232         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4234 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
4236         PR target/39482
4237         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4238         from different units in a single alternative.
4239         (*truncdfsf_i387): Ditto.
4240         (*truncxfsf2_mixed): Ditto.
4241         (*truncxfdf2_mixed): Ditto.
4243 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
4245         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4246         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4248         PR debug/39474
4249         * tree-ssa-live.c (remove_unused_locals): Don't remove local
4250         unused non-artificial variables when not optimizing.
4252         PR debug/39471
4253         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4254         DW_TAG_imported_module even if decl is IMPORTED_DECL with
4255         NAMESPACE_DECL in its DECL_INITIAL.
4257         PR middle-end/39443
4258         * optabs.c (set_user_assembler_libfunc): New function.
4259         * expr.h (set_user_assembler_libfunc): New prototype.
4260         * c-common.c: Include libfuncs.h.
4261         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4262         for memcmp, memset, memcpy, memmove and abort.
4263         * Makefile.in (c-common.o): Depend on libfuncs.h.
4265         PR debug/39412
4266         * dwarf2out.c (gen_inlined_enumeration_type_die,
4267         gen_inlined_structure_type_die, gen_inlined_union_type_die,
4268         gen_tagged_type_instantiation_die): Removed.
4269         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4270         do nothing.
4272 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
4274         PR testsuite/38526
4275         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4276         its use.
4277         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4278         (check-parallel-%): Ditto.
4279         (check-consistency): Ditto.
4281 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
4283         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4284         local variable rhs by NULL_TREE.
4286 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4288         PR target/39477
4289         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4291 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4293         PR target/39476
4294         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4296 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4298         PR target/39473
4299         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4300         for ms->sysv ABI calls only in 64bit mode.
4302         * config/i386/i386.md (untyped_call): Support 32bit.
4304 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
4306         * doc/extend.texi: Replace x86_65 with x86_64.
4308 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
4310         PR tree-optimization/39455
4311         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4312         mismatches for POINTER_TYPE_P (type).
4313         (number_of_iterations_le): Likewise.
4315 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
4317         * config/picochip/picochip.c: Removed profiling support.
4318         * config/picochip/picochip.md: Removed profiling instruction.
4319         * config/picochip/picochip.h: Removed profiling builtin.
4321 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
4323         * doc/install.texi (--with-host-libstdcxx): Document.
4325 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
4327         PR target/34299
4328         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4329         generate a warning if the function name does not begin with
4330         "__vector" and the function has either the 'signal' or 'interrupt'
4331         attribute, from here to ...
4332         (avr_declare_function_name): ...here. New function.
4333         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4334         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4336 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
4338         PR bootstrap/39454
4339         * cse.c (fold_rtx): Don't modify original const_arg1 when
4340         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4341         separate variable instead.
4342         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4343         from out of range shift counts.
4344         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4346 2008-03-13  Catherine Moore  <clm@codesourcery.com>
4348         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4349         diagnostic.h with $(DIAGNOSTIC_H).
4351 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
4353         PR target/39431
4354         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4355         predicate.
4356         * config/i386/sync.md (sync_compare_and_swap<mode>,
4357         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4358         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4359         into a register.
4360         (sync_double_compare_and_swapdi_pic,
4361         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4362         cmpxchg8b_pic_memory_operand instead of just memory_operand.
4364 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4366         PR target/39445
4367         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4369 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4371         PR target/39327
4372         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4373         (avx_addsubv4df3): Likewise.
4374         (*avx_addsubv4sf3): Likewise.
4375         (sse3_addsubv4sf3): Likewise.
4377 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4379         PR target/38824
4380         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4382 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
4384         PR debug/39432
4385         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4386         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4387         registers for allocnos created from user-defined variables.
4389 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4391         PR target/39181
4392         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4393         of non-integer mode as well.
4395 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
4397         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4398         for functions for which the parameter types are unknown.
4400 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
4402         PR target/39137
4403         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4404         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4405         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4406         * config/i386/i386.c (ix86_local_alignment): For
4407         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4408         long long variables on the stack to avoid dynamic realignment.
4409         Allow the first argument to be a decl rather than type.
4410         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4412 2009-03-11  Nick Clifton  <nickc@redhat.com>
4414         PR target/5362
4415         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4416         options.
4417         Add description to mno-lsim option.
4418         * config/mcore/mcore.h: Remove comment about deprecated m4align
4419         option.
4420         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4421         * doc/invoke.texi: Add description of mno-lsim and
4422         mstack-increment options.
4424         * config/fr30/fr30.opt: Document the -mno-lsim option.
4425         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4426         and -mno-lsim options.
4428 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4430         * fold-const.c (fold_comparison): Only call fold_inf_compare
4431         if the mode supports infinities.
4433 2009-03-11  Jason Merrill  <jason@redhat.com>
4435         PR debug/39086
4436         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4437         end already did.  Notice GIMPLE_CALL modifications of the result.
4438         Don't copy debug information from an ignored decl or a decl from
4439         another function.
4441 2009-03-10  Richard Guenther  <rguenther@suse.de>
4442             Nathan Froyd  <froydnj@codesourcery.com>
4444         PR middle-end/37850
4445         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4446         (__divMODE3): Likewise.
4448 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
4450         PR tree-optimization/39394
4451         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4452         DECL_SIZE_UNIT of variable length FIELD_DECLs.
4454 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4456         * recog.c (verfiy_changes): Disallow renaming of hard regs in
4457         inline asms for register asm ("") declarations.
4459 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
4461         * fold-const.c (fold_unary): Fix comment.
4463 2009-03-07  Jan Hubicka  <jh@suse.cz>
4465         PR target/39361
4466         * tree-inline.c (setup_one_parameter): Do replacement of const
4467         argument by constant in SSA form.
4469 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4471         PR middle-end/38028
4472         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4473         determine alignment passed to assign_stack_local.
4474         (assign_parms_unsplit_complex): Likewise.
4475         * except.c (sjlj_build_landing_pads): Likewise.
4477 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4479         PR middle-end/39360
4480         * tree-flow.h (add_referenced_var): Return bool instead of void.
4481         * tree-dfa.c (add_referenced_var): Return result of
4482         referenced_var_check_and_insert call.
4483         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4484         of referenced_var_check_and_insert.
4486         PR debug/39372
4487         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4488         (gen_variable_die): Emit DW_AT_location on abstract static variable's
4489         DIE, don't emit it if abstract origin already has it.
4490         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4491         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4493 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4495         * genpreds.c (needs_variable): Fix parentheses at variable name
4496         detection.
4497         (write_tm_constrs_h): Indent generated code.
4499 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4501         * doc/extend.texi (Function Attributes): Add documentation
4502         for isr attributes.
4504 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4506         PR debug/39387
4507         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4508         take locus from its DECL_SOURCE_LOCATION instead of input_location.
4510 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4512         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4513         the loop as bad.
4515 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
4517         PR debug/39379
4518         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4519         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4521 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
4523         * config/i386/i386.md (R8_REG, R9_REG): New constants.
4524         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4525         constants instead of magic numbers.
4526         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4527         (QI_REG_P): Ditto.
4528         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4529         (x86_64_ms_abi_int_parameter_registers): Ditto.
4530         (x86_64_int_return_registers): Ditto.
4531         (ix86_maybe_switch_abi): Ditto.
4532         (ix86_expand_call): Ditto for clobbered_registers array.
4533         (ix86_hard_regno_mode_ok): Ditto.
4534         (x86_extended_QIreg_mentioned_p): Ditto.
4536 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
4538         PR tree-optimization/39349
4539         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4541         * combine.c (gen_lowpart_for_combine): Use omode when generating
4542         clobber.
4544 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
4546         PR rtl-optimization/39235
4547         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4549 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4551         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4553 2009-03-04  Richard Guenther  <rguenther@suse.de>
4555         PR tree-optimization/39362
4556         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4557         that occur in abnormal PHIs should be varying.
4559 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4561         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4562         Extend comments.
4563         (simple_iv):  Take loop as an argument instead of statement.
4564         * tree-scalar-evolution.h (simple_iv): Declaration changed.
4565         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4566         to simple_iv.
4567         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4568         Ditto.
4569         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4570         * matrix-reorg.c (analyze_transpose): Ditto.
4571         * tree-data-ref.c (dr_analyze_innermost): Ditto.
4572         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4573         * tree-predcom.c (ref_at_iteration): Ditto.
4574         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4576 2009-03-04  Richard Guenther  <rguenther@suse.de>
4578         PR tree-optimization/39358
4579         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4580         escaped_id and callused_id.
4581         (solve_graph): Likewise.
4583 2009-03-04  Richard Guenther  <rguenther@suse.de>
4585         PR tree-optimization/39339
4586         * tree-sra.c (try_instantiate_multiple_fields): Make it
4587         no longer ICE on the above.
4589 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
4591         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4592         that fits within Pmode.
4594 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4596         PR middle-end/10109
4597         * tm.texi (LIBCALL_VALUE): Update description.
4599 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4601         PR middle-end/34443
4602         * doc/extend.texi (section): Update description.
4604 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
4606         PR middle-end/39345
4607         * tree-inline.c (remapped_type): New.
4608         (can_be_nonlocal): Call remapped_type instead of remap_type.
4610 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4612         PR fortran/39354
4613         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4614         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4616 2009-03-03  Richard Guenther  <rguenther@suse.de>
4618         PR middle-end/39272
4619         * tree.c (tree_nonartificial_location): New function.
4620         * tree.h (tree_nonartificial_location): Declare.
4621         * builtins.c (expand_builtin_memory_chk): Provide location
4622         of the call location for artificial function pieces.
4623         (maybe_emit_chk_warning): Likewise.
4624         (maybe_emit_sprintf_chk_warning): Likewise.
4625         (maybe_emit_free_warning): Likewise.
4626         * expr.c (expand_expr_real_1): Likewise.
4628 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4630         PR tree-optimization/39343
4631         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4632         COMPONENT_REF t has ARRAY_TYPE.
4634 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4636         PR middle-end/39335
4637         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4638         when the type precision of the induction variable should be
4639         larger than the type precision of nit.
4640         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4641         * graphite.c (graphite_loop_normal_form): Same.
4642         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4644 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4646         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4647         (*call_1_rex64_ms_sysv): Use named constants instead of magic
4648         numbers to describe clobbered registers.
4649         (*call_value_0_rex64_ms_sysv): Ditto.
4650         * config/i386/mmx.md (mmx_emms): Ditto.
4651         (mmx_femms): Ditto.
4653 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
4655         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4656         of ABI_64.
4658 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4660         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4661         (spu_section_type_flags): New function.
4663 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4665         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4666         reg_class_contents of FLOAT_REGS into a temporary.
4668 2009-03-02  Richard Guenther  <rguenther@suse.de>
4669             Ira Rosen  <irar@il.ibm.com>
4671         PR tree-optimization/39318
4672         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4673         information to the vectorized statement.
4675 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
4677         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4678         variable.  Use defined names instead of magic constants for REX SSE
4679         registers.
4681 2009-03-01  Richard Guenther  <rguenther@suse.de>
4683         PR tree-optimization/39331
4684         * omp-low.c (lower_send_shared_vars): Do not receive new
4685         values for the reference of DECL_BY_REFERENCE parms or results.
4687 2009-03-01  Jan Hubicka  <jh@suse.cz>
4689         PR debug/39267
4690         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4691         BLOCK_NONLOCALIZED_VAR): New macros.
4692         (tree_block): Add nonlocalized_vars.
4693         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4694         gen_decl_die): Add origin argument.  Allow generation of die with
4695         origin at hand only.
4696         (gen_member_die, gen_type_die_with_usage, force_decl_die,
4697         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4698         of gen_*.
4699         (gen_block_die): Fix checking for unused blocks.
4700         (process_scope_var): Break out from .... ; work with origins only.
4701         (decls_for_scope) ... here; process nonlocalized list.
4702         (dwarf2out_ignore_block): Look for nonlocalized vars.
4703         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4704         vars.
4705         (dump_scope_block): Dump them.
4706         * tree-inline.c (remap_decls): Handle nonlocalized vars.
4707         (remap_block): Likewise.
4708         (can_be_nonlocal): New predicate.
4709         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4711 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4713         * configure: Regenerate.
4715 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4717         * optc-gen.awk: No need to duplicate option flags twice.
4718         Reuse help texts for duplicate options which do not have any.
4720         * gcc.c (display_help): Document --version.
4722         * gcc.c (main): If print_help_list and verbose_flag, ensure
4723         driver output comes before subprocess output.
4725         * optc-gen.awk: Assign all remaining fields to help string,
4726         space-separated, for multi-line help in *.opt.
4728         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4729         -Wno-pedantic-ms-format is for MinGW targets only.
4731         * doc/options.texi (Option file format): Fix bad indentation,
4732         restoring dropped sentence.
4734 2009-02-28  Jan Hubicka  <jh@suse.cz>
4736         * tree-inline.c (tree_function_versioning): Output debug info.
4738 2009-02-28  Jan Hubicka  <jh@suse.cz>
4740         PR debug/39267
4741         * tree-inline.c (setup_one_parameter): Do not copy propagate
4742         arguments when not optimizing.
4744 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
4746         PR target/39327
4747         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4748         (avx_addsubv4df3): Likewise.
4749         (*avx_addsubv4sf3): Likewise.
4750         (sse3_addsubv4sf3): Likewise.
4751         (*avx_addsubv2df3): Likewise.
4752         (sse3_addsubv2df3): Likewise.
4753         (avx_unpckhps256): Correct item selectors.
4754         (avx_unpcklps256): Likewise.
4755         (avx_unpckhpd256): Likewise.
4756         (avx_unpcklpd256): Likewise.
4758 2009-02-28  Jan Hubicka  <jh@suse.cz>
4760         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4761         static vars.
4762         (copy_arguments_for_versioning): If var is declared don't declare it.
4763         (tree_function_versioning): First setup substitutions and then copy
4764         args.
4766 2009-02-27  Jan Hubicka  <jh@suse.cz>
4768         PR debug/39267
4769         * cgraph.h (varpool_output_debug_info): Remove.
4770         * cgraphunit.c (varpool_output_debug_info): Remove.
4771         * dwarf2out.c (deferred_locations_struct): New struct
4772         (deferred_locations): New type.
4773         (deferred_locations_list): New static var.
4774         (deffer_location): New function.
4775         (gen_variable_die): Use it.
4776         (decls_for_scope): Output info on local static vars.
4777         (dwarf2out_finish): Process deferred locations.
4778         * varpool.c (varpool_output_debug_info): Remove.
4780 2009-02-27  Jan Hubicka  <jh@suse.cz>
4782         PR debug/39267
4783         * tree.h (TREE_PROTECTED): Fix comment.
4784         (BLOCK_HANDLER_BLOCK): Remove.
4785         (struct tree_block): Remove handler_block add body_block.
4786         (inlined_function_outer_scope_p): New.
4787         (is_body_block): Remove.
4788         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4789         * dwarf2out.c (is_inlined_entry_point): Remove.
4790         (add_high_low_attributes): Use inlined_function_outer_scope_p.
4791         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
4792         code.
4793         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4794         * gimplify.c (gimplify_expr): Gimplify body blocks.
4795         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4796         block with multiple subblocks.
4797         (dump_scope_block): Prettier output; dump more flags and info.
4798         (dump_scope_blocks): New.
4799         (remove_unused_locals): Use dump_scope_blocks.
4800         * tree-flow.h (dump_scope_blocks): Declare.
4801         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4802         * stmt.c (is_body_block): Remove.
4803         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4804         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4806 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4808         PR middle-end/39308
4809         * graphite.c (graphite_loop_normal_form): Do not call 
4810         number_of_iterations_exit from a gcc_assert.
4812 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4814         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4815         jumps if COND is NULL.
4816         (find_cond_jump): New function.
4817         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4818         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4820 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
4822         * config/alpha/alpha.h (alpha_expand_mov): Return false if
4823         force_const_mem returns NULL_RTX.
4825 2009-02-26  Jan Hubicka  <jh@suse.cz>
4827         PR debug/39267
4828         * cgraph.h (varpool_output_debug_info): Remove.
4829         * cgraphunit.c (varpool_output_debug_info): Remove.
4830         * dwarf2out.c (deferred_locations_struct): New struct
4831         (deferred_locations): New type.
4832         (deferred_locations_list): New static var.
4833         (deffer_location): New function.
4834         (gen_variable_die): Use it.
4835         (decls_for_scope): Output info on local static vars.
4836         (dwarf2out_finish): Process deferred locations.
4837         * varpool.c (varpool_output_debug_info): Remove.
4839 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
4841         PR rtl-optimization/39241
4842         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4843         to subreg_offset_representable_p.
4845 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4847         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4848         execute function prototype.  Get f and nregs from max_reg_num
4849         and get_insns.  Remove the first backward pass as it's dead,
4850         guard the forward pass by flag_expensive_optimizations.
4851         (rest_of_handle_regmove): Delete.
4852         (pass_regmove): Replace it with regmove_optimize.
4854 2009-02-25  Martin Jambor  <mjambor@suse.cz>
4856         PR tree-optimization/39259
4857         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4858         calls_alloca function flags.
4859         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4860         calls are detected.
4862 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4864         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4865         flags_set_1_rtx, flags_set_1_set): Delete.
4866         (regmove_optimize): Do not call mark_flags_life_zones.
4868 2009-02-24  Julian Brown  <julian@codesourcery.com>
4870         PR target/35965
4871         * config/arm/arm.c (require_pic_register): Only set
4872         cfun->machine->pic_reg once per function.
4874 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
4876         * doc/invoke.texi (Link Options): Document an easier way to pass
4877         options that take arguments to the GNU linker using -Xlinker and -Wl.
4879 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
4881         PR target/33785
4882         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4884 2009-02-24  Richard Guenther  <rguenther@suse.de>
4886         PR debug/39285
4887         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4889 2009-02-24  Richard Guenther  <rguenther@suse.de>
4890             Zdenek Dvorak  <ook@ucw.cz>
4892         PR tree-optimization/39233
4893         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4894         from converting them to a generic type.
4896 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4898         PR tree-optimization/39260
4899         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4900         contains a condition with a real type.
4901         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4903 2009-02-23  Jason Merrill  <jason@redhat.com>
4905         PR c++/38880
4906         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4907         narrowing_initializer_constant_valid_p.
4908         (narrowing_initializer_constant_valid_p): Don't return 
4909         null_pointer_node for adding a pointer to itself.
4911 2009-02-23  Jan Hubicka  <jh@suse.cz>
4913         PR c/12245
4914         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4915         resizing.
4917 2009-02-23  Jan Hubicka  <jh@suse.cz>
4919         PR tree-optimization/37709
4920         * tree.c (block_ultimate_origin): Move here from dwarf2out.
4921         * tree.h (block_ultimate_origin): Declare.
4922         * dwarf2out.c (block_ultimate_origin): Move to tree.c
4923         * tree-ssa-live.c (remove_unused_scope_block_p):
4924         Eliminate blocks containig no instructions nor live variables nor
4925         nested blocks.
4926         (dump_scope_block): New function.
4927         (remove_unused_locals): Enable removal of dead blocks by default;
4928         enable dumping at TDF_DETAILS.
4930 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
4932         * config/i386/i386.c (classify_argument): Don't allow COImode
4933         and OImode.
4934         (function_arg_advance_32): Don't allow OImode.
4935         (function_arg_32): Likewise.
4936         (function_value_32): Likewise.
4937         (return_in_memory_32): Likewise.
4938         (function_arg_64): Remove OImode comment.
4940 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
4942         PR target/39261
4943         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4944         ix86_expand_vector_set for V4DImode in 64bit mode only.
4945         (ix86_expand_vector_init_one_var): Likewise.
4947 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4949         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4951 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
4953         PR bootstrap/39257
4954         * loop-iv.c: Revert last change.
4955         * emit-rtl.c: Likewise.
4957 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
4959         PR target/39256
4960         * config/i386/i386.c (type_natural_mode): Remove an extra
4961         space in the warning message.
4962         (function_value_32): Handle 32-byte vector modes.
4963         (return_in_memory_32): Likewise.
4965 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
4967         * loop-iv.c (truncate_value): New function.
4968         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
4969         of lowpart_subreg.
4970         (lowpart_subreg): Move to...
4971         * emit-rtl.c: ...here.
4973 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
4975         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
4976         accidental and undocumented change at revision 140860.
4978 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
4980         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
4981         take gimple_seq * arguments.
4982         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
4983         types_compatible_p langhook.
4985 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
4986             Joseph Myers  <joseph@codesourcery.com>
4988         * config/arm/arm.c (arm_builtin_va_list): New function.
4989         (arm_expand_builtin_va_start): Likewise.
4990         (arm_gimplify_va_arg_expr): Likewise.
4991         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
4992         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
4993         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
4994         (va_list_type): New variable.
4995         (arm_mangle_type): Mangle va_list_type appropriately.
4997 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
4999         PR middle-end/39157
5000         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5001         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5002         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5003         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5004         parameter to 1000 for -O1 by default.
5005         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5006         parameter.
5007         * loop-invariant.c: Include params.h.
5008         (move_loop_invariants): Don't call move_single_loop_invariants on
5009         very large loops.
5011 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
5013         * calls.c (emit_library_call_value_1): Use slot_offset instead of
5014         offset when calculating bounds for indexing stack_usage_map.  Fixes
5015         a buffer overflow with certain target setups.
5017 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5019         PR target/39240
5020         * calls.c (expand_call): Clear try_tail_call if caller and callee
5021         disagree in promotion of function return value.
5023 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
5025         PR target/39175
5026         * c-common.c (c_determine_visibility): If visibility changed and
5027         DECL_RTL has been already set, call make_decl_rtl to update symbol
5028         flags.
5030 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
5032         PR c++/39188
5033         * varasm.c (assemble_variable): Don't check DECL_NAME when
5034         globalizing a variable.
5036 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
5038         PR c/38483
5039         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5040         expression before any __builtin_trap call.
5041         * c-typeck.c (build_function_call): Convert and check function
5042         arguments before generating a call to a trap.  Evaluate the
5043         function arguments before the trap.
5045 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
5047         PR target/39228
5048         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5049         (UNSPEC_FXAM_MEM): New unspec.
5050         (fxam<mode>2_i387_with_temp): New insn and split pattern.
5051         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
5052         memory using fxam<mode>2_i387_with_temp to remove excess precision.
5054 2009-02-19  Richard Guenther  <rguenther@suse.de>
5056         PR tree-optimization/39207
5057         PR tree-optimization/39074
5058         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5059         storedanything_tree): New.
5060         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
5061         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5062         (build_succ_graph): Add edges from STOREDANYTHING to all
5063         non-direct nodes.
5064         (init_base_vars): Initialize STOREDANYTHING.
5065         (compute_points_to_sets): Free substitution info after
5066         building the succ graph.
5067         (ipa_pta_execute): Likewise.
5069         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5070         field.
5071         (do_ds_constraint): Do not add to special var or non-pointer
5072         field solutions.
5073         (type_could_have_pointers): Split out from ...
5074         (could_have_pointers): ... here.  For arrays use the element type.
5075         (create_variable_info_for): Initialize may_have_pointers.
5076         (new_var_info): Likewise.
5077         (handle_lhs_call): Make the HEAP variable unknown-sized.
5078         (intra_create_variable_infos): Use a type with pointers for
5079         PARM_NOALIAS, make it unknown-sized.
5081 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
5083         PR target/39224
5084         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5086 2009-02-18  Jason Merrill  <jason@redhat.com>
5088         PR target/39179
5089         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5090         value if DECL_EXTERNAL.
5091         * tree-sra.c (sra_walk_gimple_assign): Likewise.
5092         * target.h (gcc_target::binds_local_p): Clarify "module".
5093         * tree.h (TREE_PUBLIC): Clarify "module".
5095 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
5097         PR target/38891
5098         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5099         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5101 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
5103         PR target/39082
5104         * c.opt (Wabi): Support C and ObjC.
5105         (Wpsabi): New.
5107         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5109         * config/i386/i386.c (classify_argument): Warn once about the ABI
5110         change when passing union with long double.
5112         * doc/invoke.texi: Update -Wabi for warning psABI changes.
5114 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
5116         PR c/35447
5117         * c-parser.c (c_parser_compound_statement): Always enter and leave
5118         a scope.
5120 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5122         PR target/34587
5123         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5125 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
5127         PR tree-optimization/36922
5128         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5129         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5130         Likewise.
5132 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5134         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5135         to 0 for EABI64.
5137 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5139         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5141 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5143         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5144         tree sharing.
5146 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
5147             Richard Sandiford  <rdsandiford@googlemail.com>
5149         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5150         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5151         (loongson_biadd): ...this.
5153 2009-02-17  Richard Guenther  <rguenther@suse.de>
5155         PR tree-optimization/39202
5156         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5157         a var make sure to follow existing collapses.
5159 2009-02-17  Richard Guenther  <rguenther@suse.de>
5161         PR middle-end/39214
5162         * langhooks.c (lhd_print_error_function): Check for NULL block.
5164 2009-02-17  Richard Guenther  <rguenther@suse.de>
5166         PR tree-optimization/39204
5167         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5168         of the PHI arg.
5170 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
5172         * config/soft-fp/double.h: Update from glibc CVS.
5174 2009-02-17  Richard Guenther  <rguenther@suse.de>
5176         PR tree-optimization/39207
5177         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5178         strict-aliasing warnings for pointers pointing to NULL.
5180 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
5182         PR c/35446
5183         * c-parser.c (c_parser_braced_init): Call pop_init_level when
5184         skipping until next close brace.
5186 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5188         PR target/37049
5189         * config/i386/i386.c (ix86_expand_push): Set memory alignment
5190         to function argument boundary.
5192 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
5194         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5195         in the lea_add. Reload eventually constraints it properly.
5196         * config/picochip/constraints.md : Remove the target constraint
5197         "b", since it is not needed anymore.
5199 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
5201         * gthr-dce.h: Uglify function parameter and local variable names.
5202         * gthr-gnat.h: Likewise.
5203         * gthr-mipssde.h: Likewise.
5204         * gthr-nks.h: Likewise.
5205         * gthr-posix95.h: Likewise.
5206         * gthr-posix.h: Likewise.
5207         * gthr-rtems.h: Likewise.
5208         * gthr-single.h: Likewise.
5209         * gthr-solaris.h: Likewise.
5210         * gthr-tpf.h: Likewise.
5211         * gthr-vxworks.h: Likewise.
5212         * gthr-win32.h: Likewise.
5214 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
5216         PR target/39196
5217         * config/i386/i386.md: Restrict the new peephole2 to move
5218         between MMX/SSE registers.
5220 2009-02-15  Richard Guenther  <rguenther@suse.de>
5222         Revert
5223         2009-02-13  Richard Guenther  <rguenther@suse.de>
5225         * configure.ac: Enable LFS.
5226         * configure: Re-generate.
5227         * config.in: Likewise.
5229 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5231         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5232         spu_srqwbyte, spu_srqwbytebc): Define.
5233         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5234         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5235         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5236         "shrqby_<mode>"): New insn-and-split patterns.
5237         * config/spu/spu.c (expand_builtin_args): Determine and return
5238         number of operands using spu_builtin_description data.
5239         (spu_expand_builtin_1): Use it.
5241 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
5243         PR target/38056
5244         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5245         TARGET_CONST_GP.
5247 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5249         PR target/39149
5250         * config/i386/i386.c (override_options): Correct warning
5251         messages for -malign-loops, -malign-jumps and -malign-functions.
5253 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5255         PR target/39152
5256         * config/i386/i386.md: Restrict the new peephole2 to move
5257         between the general purpose registers.
5259 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5261         PR target/39162
5262         * config/i386/i386.c (type_natural_mode): Add a new argument.
5263         Return the original mode and warn ABI change if vector size is 32byte.
5264         (function_arg_advance): Updated.
5265         (function_arg): Likewise.
5266         (ix86_function_value): Likewise.
5267         (ix86_return_in_memory): Likewise.
5268         (ix86_sol10_return_in_memory): Likewise.
5269         (ix86_gimplify_va_arg): Likewise.
5270         (function_arg_32): Don't warn ABX ABI change here.
5271         (function_arg_64): Likewise.
5273 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
5275         * loop-iv.c (implies_p): In the final case, test that operands 0
5276         of the two comparisons match.
5278         * config/bfin/bfin.c (find_prev_insn_start): New function.
5279         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5280         (find_next_insn_start): Move.
5282 2009-02-13  Richard Guenther  <rguenther@suse.de>
5284         * configure.ac: Enable LFS.
5285         * configure: Re-generate.
5286         * config.in: Likewise.
5288 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
5290         PR c/35444
5291         * c-parser.c (c_parser_parms_list_declarator): Discard pending
5292         sizes on syntax error after some arguments have been parsed.
5294 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5296         * doc/invoke.texi (-fira): Remove.
5298 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5300         * caller-save.c: Replace regclass.c with reginfo.c in comments.
5301         * recog.c: Likewise.
5302         * rtl.h: Likewise.
5304 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
5306         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5307         (umul_ppmm): Likewise.
5308         (count_leading_zeros): Likewise.
5309         (count_trailing_zeros): Likewise.
5310         (UMUL_TIME): Likewise.
5312 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5314         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5315         soft-fp/t-softfp to tmake_file.
5317         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5318         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5319         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5320         IA64_BUILTIN_INFQ]: New.
5321         (ia64_init_builtins): Initialize __builtin_infq,
5322         __builtin_fabsq and __builtin_copysignq if not HPUX.
5323         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5324         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5326         * config/ia64/lib1funcs.asm (__divtf3): Define only if
5327         SHARED is defined.
5328         (__fixtfti): Likewise.
5329         (__fixunstfti): Likewise.
5330         (__floattitf): Likewise.
5332         * config/ia64/libgcc-glibc.ver: New.
5333         * config/ia64/t-fprules-softfp: Likewise.
5334         * config/ia64/sfp-machine.h: Likewise.
5336         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5337         (LIBGCC2_TF_CEXT): Likewise.
5338         (TF_SIZE): Likewise.
5339         (TARGET_INIT_LIBFUNCS): Likewise.
5341         * config/ia64/t-glibc (SHLINB_MAPFILES):
5342         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5344 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5346         * config/i386/i386.c (construct_container): Rewrite processing
5347         BLKmode with X86_64_SSE_CLASS.
5349 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
5351         PR target/39152
5352         * config/i386/i386.md: Replace simplify_replace_rtx with
5353         replace_rtx in the new peephole2.
5355 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
5357         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5358         loop unrolling do not happen at -O2.
5360 2009-02-12  Michael Matz  <matz@suse.de>
5362         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5364 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5366         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5367         for -g3.
5369 2009-02-12  Ben Elliston  <bje@au.ibm.com>
5371         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5372         patterns when updating the back chain.  Missed in the 2009-02-10
5373         change.
5375 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
5377         * doc/extend.texi (Decimal Floating Types): Update identifier of
5378         draft TR and list of missing support.
5380 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
5382         PR middle-end/39154
5383         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5384         bit to variable length decl's flags, add it also to its
5385         pointer replacement variable.
5387 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
5388             Jakub Jelinek  <jakub@redhat.com>
5390         PR target/39118
5391         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5392         (memory_blockage): New expander.
5393         (*memory_blockage): New insn pattern.
5394         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5395         instead of general blockage at the end of function prologue when
5396         frame pointer is used to access red zone area.  Do not emit blockage
5397         when profiling, it is emitted in generic code.
5398         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5399         function epilogue when frame pointer is used to access red zone area.
5401 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
5403         PR target/38824
5404         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5405         by arithmetic with memory operands.
5406         * config/i386/predicates.md (commutative_operator): New.
5408 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
5410         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5411         bulleted lists.
5413 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5415         * alias.h (record_alias_subset): Declare.
5416         * alias.c (record_alias_subset): Make global.
5418 2009-02-10  Nick Clifton  <nickc@redhat.com>
5420         * tree-parloops.c: Change license to GPLv3.
5421         * ipa-struct-reorg.c: Change license to GPLv3.
5422         * ipa-struct-reorg.h: Change license to GPLv3.
5424 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
5426         PR c/39084
5427         * c-decl.c (start_struct): Return NULL on error.
5429 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
5431         PR middle-end/39124
5432         * cfgloopmanip.c (remove_path): Call remove_bbs after
5433         cancel_loop_tree, not before it.
5435         PR target/39139
5436         * function.h (struct function): Add has_local_explicit_reg_vars bit.
5437         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5438         VAR_DECLs were seen.
5439         * tree-ssa-live.c (remove_unused_locals): Recompute
5440         cfun->has_local_explicit_reg_vars.
5441         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5442         copies or clearings if cfun->has_local_explicit_reg_vars.
5444 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
5446         PR target/39118
5447         * config/i386/i386.c (expand_prologue): Emit blockage at the end
5448         of function prologue when frame pointer is used to access
5449         red zone area.
5451 2009-02-10  Richard Guenther  <rguenther@suse.de>
5453         PR middle-end/39127
5454         * gimplify.c (gimple_regimplify_operands): Always look if
5455         we need to create a temporary.
5457 2009-02-10  Richard Guenther  <rguenther@suse.de>
5459         PR tree-optimization/39132
5460         * tree-loop-distribution.c (todo): New global var.
5461         (generate_memset_zero): Trigger TODO_rebuild_alias.
5462         (tree_loop_distribution): Return todo.
5464 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
5466         PR target/39119
5467         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5468         (x86_64_reg_class_name): Removed.
5469         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
5470         first one isn't X86_64_SSE_CLASS or any other ones aren't
5471         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
5472         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5473         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
5474         and 3 X86_64_SSEUP_CLASS.
5475         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
5476         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5478 2009-02-10  Ben Elliston  <bje@au.ibm.com>
5480         * config/rs6000/rs6000.md (allocate_stack): Always use an update
5481         form instruction to update the stack back chain word, even if the
5482         user has disabled the generation of update instructions.
5483         (movdi_<mode>_update_stack): New.
5484         (movsi_update_stack): Likewise.
5485         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5486         always use an update form instruction to update the stack back
5487         chain word.
5489 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
5491         PR middle-end/38953
5492         * graphite.c (if_region_set_false_region): After moving a region in
5493         the false branch of a condition, remove the empty dummy basic block.
5494         (gloog): Remove wrong fix for PR38953.
5496 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5498         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5499         generation due to implicit sign extension.
5501 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
5503         PR middle-end/38981
5504         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5505         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5507 2009-02-09  Richard Guenther  <rguenther@suse.de>
5509         PR middle-end/35202
5510         * convert.c (convert_to_real): Disable (float)fn((double)x)
5511         to fnf(x) conversion if errno differences may occur and
5512         -fmath-errno is set.
5514 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
5516         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5517         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5518         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5520 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5522         PR c/35434
5523         * c-common.c (handle_alias_attribute): Disallow attribute for
5524         anything not a FUNCTION_DECL or VAR_DECL.
5526 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
5528         PR c/39035
5529         * real.c (do_compare): Special-case compare of zero against
5530         decimal float value.
5532 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5534         PR c/36432
5535         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5536         as indicating flexible array members unless the field itself is
5537         being declarared as the incomplete array.
5539 2009-02-06  Jan Hubicka  <jh@suse.cz>
5541         PR tree-optimization/38844
5542         * ipa-inline.c (try_inline): Stop inlining recursion when edge
5543         is already inlined.
5545 2009-02-06  Richard Guenther  <rguenther@suse.de>
5547         PR middle-end/38977
5548         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5549         fork because we may expand it as __gcov_fork.
5551 2009-02-06  Nick Clifton  <nickc@redhat.com>
5553         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5555 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
5557         PR tree-optimization/35659
5558         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5559         vn_phi_eq): Shortcut if hashcode does not match.
5560         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5561         NULL operands.
5562         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5563         and avoid iterative_hash_expr.
5564         (FOR_EACH_VALUE_ID_IN_SET): New.
5565         (value_id_compare): Remove.
5566         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5567         sort expressions by value id.
5569 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
5571         PR target/38991
5572         * config/sh/predicates.md (general_movsrc_operand): Don't check
5573         the subreg of system registers here.
5575 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
5577         PR c++/39106
5578         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5579         on the copied decl.
5581 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
5583         PR rtl-optimization/39110
5584         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5585         addresses, not aligned ones.
5587 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
5588             Richard Guenther  <rguenther@suse.de>
5590         PR tree-optimization/39100
5591         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5592         comment says and add edges.
5594 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
5596         PR c/35435
5597         * c-common.c (handle_tls_model_attribute): Ignore attribute for
5598         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5600 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
5602         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5603         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5604         register_bb_in_sese, new_sese, free_sese): Moved.
5605         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5606         outermost_loop_in_scop, build_scop_iteration_domain,
5607         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5608         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5609         Use loop_in_sese_p instead of loop_in_scop_p.
5610         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5611         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5612         (scopdet_basic_block_info): Fix bug in scop detection.
5613         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5614         eq_loop_to_cloog_loop): Remove.
5615         (nb_loops_around_loop_in_scop, nb_loop
5616         ref_nb_loops): Moved here...
5617         * graphite.h (ref_nb_loops): ... from here.
5618         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5619         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5620         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5621         * testsuite/gcc.dg/graphite/scop-19.c: New
5623 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
5624             Hans-Peter Nilsson  <hp@axis.com>
5626         PR rtl-optimization/37889
5627         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5628         Move offset handling from PLUS to before the switch.  Use new
5629         arguments when considering SYMBOL_REFs too.
5630         (rtx_addr_can_trap_p): Pass dummy offset and size.
5631         (enum may_trap_p_flags): Remove.
5632         (may_trap_p_1): Pass size from MEM_SIZE.
5634         PR rtl-optimization/38921
5635         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5636         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5637         * rtlanal.c (may_trap_after_code_motion_p): Delete.
5638         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5640 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
5642         AVX Programming Reference (January, 2009)
5643         * config/i386/sse.md (*vpclmulqdq): New.
5645 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
5647         PR tree-optimization/38977
5648         PR gcov-profile/38292
5649         * calls.c (special_function_p): Disregard __builtin_ prefix.
5651 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
5653         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5654         non-indexable addresses even before reload.
5656 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5658         PR c/29129
5659         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5660         as having variable size.  Do not give an error for unnamed
5661         parameters with [*] declarators.  Give a warning for type names
5662         with [*] declarators and mark them as variable size.
5663         * c-parser.c (c_parser_sizeof_expression): Do not give an error
5664         for sizeof applied to [*] type names.
5666 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5668         PR C++/36607
5669         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5671 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5673         * gcc.c (process_command): Update copyright notice dates.
5674         * gcov.c (print_version): Likewise.
5675         * gcov-dump.c (print_version): Likewise.
5676         * mips-tfile.c (main): Likewise.
5677         * mips-tdump.c (main): Likewise.
5679 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5681         PR c/35433
5682         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5683         for composite type involving a zero-length array type.
5685 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5687         PR target/35318
5688         * function.c (match_asm_constraints_1): Skip over
5689         initial optional % in the constraint.
5691         PR inline-asm/39059
5692         * c-parser.c (c_parser_postfix_expression): If fixed point is not
5693         supported, don't accept FIXED_CSTs.
5694         * c-decl.c (finish_declspecs): Error if fixed point is not supported
5695         and _Sat is used without _Fract/_Accum.  Set specs->type to
5696         integer_type_node for cts_fract/cts_accum if fixed point is not
5697         supported.
5699 2009-02-02  Catherine Moore  <clm@codesourcery.com>
5701         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5703 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
5705         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5706         (ABI_HAS_64BIT_SYMBOLS): Use it.
5707         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5709 2009-02-02  Paul Brook  <paul@codesourcery.com>
5711         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5713 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
5715         PR inline-asm/39058
5716         * recog.h (asm_operand_ok): Add constraints argument.
5717         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
5718         recurse on matching constraint.
5719         (check_asm_operands): Pass constraints as 3rd argument to
5720         asm_operand_ok.  Don't look up matching constraint here.
5721         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5722         to asm_operand_ok.
5724 2009-02-02  Ben Elliston  <bje@au.ibm.com>
5726         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5727         TARGET_NARROW_VOLATILE_BITFIELD macro names.
5729 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5731         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5732         information.  Remove some obsolete information.  Reorganize.
5734         * config/pa/fptr.c: Revert license to GPL 2.
5735         * config/pa/milli64.S: Likewise.
5737 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5739         PR target/38904
5740         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
5741         LIBRARY name in, instead of hard-coding it.
5742         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
5743         extra target make frag to tmake_files according to EH model.
5744         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
5745         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
5746         frags that define makefile variable EH_MODEL appropriately.
5747         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
5748         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
5749         to "-sjlj" according to type of EH configured.
5750         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5751         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
5752         to "_sjlj" according to type of EH configured.
5753         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5754         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
5755         (SHLIB_LINK):  Add missing semicolon to if-else construct.
5756         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5757         string value of "pe_dll" command-line option.
5758         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
5759         (SHLIB_SONAME):  Use it when overriding t-cygming default.
5760         (SHLIB_IMPLIB):  Override t-cygming default.
5761         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5762         string value of "pe_dll" command-line option.
5764 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5766         PR target/38952
5767         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5768         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5770 2009-01-31  Richard Guenther  <rguenther@suse.de>
5772         PR tree-optimization/38937
5773         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5774         computing the transitive closure.
5776 2009-01-30  Richard Guenther  <rguenther@suse.de>
5778         PR tree-optimization/39041
5779         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5780         Propagate variable indices only if the types match for this stmt.
5782 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
5784         PR target/39013
5785         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5786         inline but never defined.
5788 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
5790         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5791         (*insv_h_di_reg_extimm): New insn.
5792         (*insv_l<mode>_reg_extimm): New insn.
5794 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5796         * config/picochip/picochip.c (flag_conserve_stack): set
5797         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5798         fconserve-stack. Reduce call-overhead used by inliner.
5800 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5802         PR/38157
5803         * common.opt (flag_conserve_stack): Initialised to zero.
5805 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
5807         PR/39002
5808         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5809         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5810         method.
5812 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
5814         * ira-color.c (allocno_reload_assign): Update comments.
5815         * regmove.c (regmove_optimize): Likewise.
5817         * ra.h: Removed.
5819 2009-01-29  Robert Millan  <rmh@aybabtu.com>
5821         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5822         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
5823         `MD_UNWIND_SUPPORT'.
5824         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5826 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
5828         PR tree-optimization/39007
5829         * tree-loop-distribution.c (generate_builtin): Use
5830         recompute_dominator to compute the immediate dominator of the
5831         basic block just after the loop.
5833 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5835         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5836         (ASM_OUTPUT_DWARF_PCREL): Define.
5838 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
5840         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5841         * doc/passes.texi: Remove entries about regclass, local-alloc, and
5842         global.  Modify entries about regmove and IRA.
5844         * ra-conflict.c: Remove the file.
5846         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5848         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5849         (pass_regclass_init): Rename to pass_reginfo_init.
5851         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5853         * toplev.h (flag_ira): Remove.
5855         * caller-save.c (setup_save_areas): Remove flag_ira.
5857         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5859         * global.c: Remove the file.
5861         * opts.c (decode_options): Remove flag_ira.
5863         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5865         * regmove.c: Modify file description.
5866         (find_use_as_address, try_auto_increment): Define them only if
5867         AUTO_INC_DEC is defined.
5868         (replacement_quality, replace_in_call_usage, fixup_match_1,
5869         stable_and_no_regs_but_for_p): Remove.
5870         (reg_set_in_bb): Make it static.
5871         (regmove_optimize): Remove flag_ira and code which worked for
5872         !flag_ira.
5874         * local-alloc.c: Remove the file.
5876         * common.opt (fira): Remove.
5878         * ira.c: Include except.h.
5879         (eliminable_regset): Move from global.c.
5880         (mark_elimination): Ditto.  Remove flag_ira.
5881         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5882         equiv_mem_modified, validate_equiv_mem_from_store,
5883         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5884         contains_replace_regs, memref_referenced_p, memref_used_between_p,
5885         no_equiv, recorded_label_ref): Move from local-alloc.c.
5886         (update_equiv_regs): Ditto.  Make it static.
5887         (print_insn_chain, print_insn_chains): Move it from global.c.
5888         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
5889         (build_insn_chain): Ditto.  Make it static.
5890         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
5891         Rename to init_live_subregs.
5892         (gate_ira): Remove flag_ira.
5894         * regclass.c: Rename reginfo.c.  Change file description.
5895         (FORBIDDEN_INC_DEC_CLASSES): Remove.
5896         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5897         (init_reg_sets_1): Remove code for evaluation of
5898         reg_class_superclasses and losing_caller_save_reg_set.
5899         (init_regs): Remove init_reg_autoinc.
5900         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5901         ok_for_base_p_nonstrict): Remove.
5902         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
5903         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
5904         corresponding entries.
5905         (dump_regclass, record_operand_costs, scan_one_insn,
5906         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5907         record_address_regs, auto_inc_dec_reg_p): Remove.
5908         (gt-regclass.h): Rename to gt-reginfo.h.
5910         * rtl.h (dump_global_regs, retry_global_alloc,
5911         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5913         * Makefile.in (RA_H): Remove.
5914         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5915         Rename regclass.o to reginfo.o.
5916         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
5917         gt-reginfo.h.
5918         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5919         (GTFILES): Rename regclass.c to reginfo.c.
5921         * passes.c (init_optimization_passes): Remove pass_local_alloc and
5922         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
5924         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5925         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5926         Remove flag_ira.
5927         (finish_spills): Ditto.  Remove code for !flag_ira.
5928         
5929 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
5931         PR middle-end/35854
5932         * doc/invoke.texi (rtl debug options): Complete rewrite.
5933         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5934         to auto_inc_dec".
5935         * mode-switching.c (pass_mode_switching): Rename pass from
5936         "mode-sw" to "mode_sw".
5937         * except.c (pass_convert_to_eh_ranges): Rename pass from
5938         "eh-ranges" to "eh_ranges".
5939         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5940         to "subreg1".
5941                 
5942         
5943 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
5944             Alexander Monakov  <amonakov@ispras.ru>
5946         PR middle-end/38857
5947         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5948         register.
5949         (move_exprs_to_boundary): Change return type and pass through
5950         should_move from move_op.  Relax assert.  Update usage ...
5951         (schedule_expr_on_boundary): ... here.  Use should_move instead of
5952         cant_move.
5953         (move_op_orig_expr_found): Indicate that insn was disconnected from
5954         stream.
5955         (code_motion_process_successors): Do not call after_merge_succs
5956         callback if original expression was not found when traversing any of
5957         the branches.
5958         (code_motion_path_driver): Change return type.  Update prototype.
5959         (move_op): Update comment.  Add a new parameter (should_move).  Update
5960         prototype.  Set *should_move based on indication provided by
5961         move_op_orig_expr_found.
5963 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
5965         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
5966         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5967         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
5968         * config/rs6000/rs6000.c (rs6000_override_options): Default
5969         avoid-indexed-addresses on for Power6, off for everything else.
5970         (avoiding_indexed_address_p): New function.
5971         (rs6000_legitimize_address): Use it.
5972         (rs6000_legitimate_address): Likewise.
5973         * config/rs6000/rs6000.md (movXX_updateX): Likewise
5975 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
5977         PR tree-optimization/38997
5978         * tree-loop-distribution.c (generate_memset_zero): Use
5979         POINTER_PLUS_EXPR for a pointer addition.
5981 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
5983         * config/s390/s390.md (bswap<mode>2): New pattern added.
5985 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
5987         * config/s390/s390.md (*tls_load_31): Added type attribute.
5989 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
5991         * config/s390/s390.md: Fix a few comments.
5993 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
5995         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
5996         (*tm<mode>_full): Fixed z10prop attribute.
5997         (*tst<mode>_extimm): Fixed z10prop attribute.
5998         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
5999         (*tstqiCCT_cconly): Fixed z10prop attribute.
6000         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6001         (*movsi_larl): Fixed z10prop attribute.
6002         (*movsi_zarch): Fixed z10prop attribute.
6003         (*movsi_eas): Fixed z10prop attribute.
6004         (*movhi): Fixed z10prop attribute.
6005         (*movqi): Fixed z10prop attribute.
6006         (*movstrictqi): Fixed z10prop attribute.
6007         (*mov<mode>): Fixed z10prop attribute.
6008         (*movcc): Fixed z10prop attribute.
6009         (*sethighpartdi_64): Fixed z10prop attribute.
6010         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6011         (*negdi2_sign_cc): Fixed z10prop attribute.
6012         (*negdi2_sign): Fixed z10prop attribute.
6013         (*absdi2_sign_cc): Fixed z10prop attribute.
6014         (*absdi2_sign): Fixed z10prop attribute.
6015         (*negabsdi2_sign_cc): Fixed z10prop attribute.
6016         (*negabsdi2_sign): Fixed z10prop attribute.
6017         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6018         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6019         (doloop_si64): Fixed z10prop attribute.
6020         (doloop_si31): Fixed z10prop attribute.
6021         (doloop_long): Fixed z10prop attribute.
6022         (indirect_jump): Fixed z10prop attribute.
6023         (nop): Fixed z10prop attribute.
6024         (main_base_64): Fixed z10prop attribute.
6025         (reload_base_64): Fixed z10prop attribute.
6027 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6029         PR rtl-optimization/38740
6030         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6031         if !optimize.
6032         * config/mips/mips.c (mips_reorg): Likewise.
6034 2009-01-28  Richard Guenther  <rguenther@suse.de>
6036         PR tree-optimization/38926
6037         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6038         with the correct value id to a value.
6039         (do_regular_insertion): Use the value number of edoubleprime
6040         for the value number of the expr.
6042         Revert
6043         2008-08-21  Richard Guenther  <rguenther@suse.de>
6045         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6046         a PHI ask VN if it is already available.
6047         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6048         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6050 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6052         PR middle-end/38934
6053         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6054         set to varying whenever max has TREE_OVERFLOW set, similarly
6055         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6057 2009-01-28  Richard Guenther  <rguenther@suse.de>
6059         PR middle-end/38908
6060         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6061         uninitialized aggregate uses in call arguments.
6063 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
6065         PR tree-optimization/38984
6066         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6067         the nothing_id variable if -fno-delete-null-pointer-checks.
6069 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
6071         PR target/38988
6072         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6073         (set_got_offset_rex64): Ditto.
6075 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
6077         PR target/38941
6078         * doc/extend.texi: Improve local variable with asm reg.
6080 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
6082         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6083         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6084         was not supplied then set warn_packed_bitfield_compat to the
6085         default value of 1.
6086         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6087         against 1.
6089 2009-01-27  Richard Guenther  <rguenther@suse.de>
6091         PR tree-optimization/38503
6092         * cfgexpand.c (expand_gimple_basic_block): Ignore
6093         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6094         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6095         variables that cannot have TBAA applied.
6096         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6097         statements.
6099 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
6101         PR middle-end/38969
6102         * calls.c (initialize_argument_information): Do not wrap complex
6103         arguments in SAVE_EXPR.
6105 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
6107         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6108         (INSTALL_LIBGCC): Revert typo commit.
6110 2009-01-26  Richard Guenther  <rguenther@suse.de>
6112         PR tree-optimization/38745
6113         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6114         from special handling.
6116 2009-01-26  Richard Guenther  <rguenther@suse.de>
6118         PR tree-optimization/38745
6119         * tree-ssa.c (execute_update_addresses_taken): Do not include
6120         variables that cannot possibly be a register in not_reg_needs.
6121         Do not clear TREE_ADDRESSABLE on vars that may not become
6122         registers.
6123         * tree-ssa.c (update_alias_info_1): Include those in the set
6124         of addressable vars.
6126 2009-01-26  Richard Guenther  <rguenther@suse.de>
6128         PR middle-end/38851
6129         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6130         * tree-ssa-dse.c: Include langhooks.h
6131         (execute_simple_dse): Remove stores with zero size.
6133 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
6135         PR c/38957
6136         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6137         as PLUS_EXPR.
6139 2009-01-24  Julian Brown  <julian@codesourcery.com>
6141         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6142         config/arm/linux-atomic.c.
6143         * config/arm/linux-atomic.c: New.
6145 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
6147         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6148         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6149         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6151 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
6153         PR c/38938
6154         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6155         properly.
6157 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6159         PR tree-optimization/38953
6160         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6161         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6162         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6163         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6164         changed the CFG.
6166 2009-01-24  Paul Brook  <paul@codesourcery.com>
6168         * config/arm/neon.md (neon_type): Move to arm.md.
6169         (neon_mov<VSTRUCT>): Add neon_type attribute.
6170         * config/arm/arm.md (neon_type): Move to here.
6171         (conds): Add "unconditioal" and use as default for NEON insns.
6173 2009-01-24  Ben Elliston  <bje@au.ibm.com>
6175         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6176         void *' warning from -Wc++-compat.
6177         * Makefile.in (dominance.o-warn): Remove.
6179 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
6181         PR tree-optimization/38932
6182         * fold-const.c (fold_unary_ignore_overflow): New.
6183         * tree.h (fold_unary_ignore_overflow): Declare.
6184         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6185         * tree-ssa-sccvn.c (visit_reference_op_load,
6186         simplify_unary_expression): Likewise.
6188 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
6190         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6191         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
6192         regardless of their type.
6193         * c-common.c (handle_packed_attribute): Don't ignore packed on
6194         bitfields.
6195         * c.opt (Wpacked-bitfield-compat): New warning option.
6196         * stor-layout.c (place_field): Warn if offset of a field changed.
6197         * doc/extend.texi (packed): Mention the ABI change.
6198         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6199         (Warning Options): Add it to the list.
6201 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
6203         * c-opts.c (c_common_post_options): Fix a typo in comments.
6205 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
6207         PR middle-end/38615
6208         * gimplify.c (gimplify_init_constructor): Fix promotion of const
6209         variables to static.
6210         * doc/invoke.texi (-fmerge-all-constants): Update description.
6212 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
6214         PR target/38931
6215         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6216         (*movdi_1_rex64): Use type "mmx" for alternative 5.
6218 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
6220         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6221         a word boundary.
6222         (LOCAL_ALIGNMENT): Similarly.
6224 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6225             Joseph Myers  <joseph@codesourcery.com>
6227         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6228         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6229         * config/arm/arm-tune.md: Regenerate.
6230         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6231         -march=iwmmxt2.
6233 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6235         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6236         version number to five.
6238 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
6240         PR c++/38930
6241         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6242         * c-common.c (set_underlying_type): Likewise.
6243         (is_typedef_decl ): Likewise
6244         * tree.h: Likewise
6245         (set_underlying_type): Likewise.
6246         (is_typedef_type): Likewise.
6248 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
6250         PR middle-end/38587
6251         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6252         crossing setjmps.
6254 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
6256         PR bootstrap/37660
6257         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
6258         (LIBGCC_SPEC):  Don't define.
6259         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
6261 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
6263         PR rtl-optimization/38879
6264         * alias.c (base_alias_check): Unaligned access via AND address can
6265         alias all surrounding object types except those with sizes equal
6266         or wider than the size of unaligned access.
6268 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
6270         PR c++/26693
6271         * c-decl.c (clone_underlying_type): Move this ...
6272         * c-common.c (set_underlying_type): ... here.
6273         Also, make sure the function properly sets TYPE_STUB_DECL() on
6274         the newly created typedef variant type.
6275         (is_typedef_decl ): New entry point.
6276         * tree.h: Added a new member member_types_needing_access_check to
6277         struct tree_decl_non_common.
6278         (set_underlying_type): New entry point.
6279         (is_typedef_type): Likewise.
6281 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
6283         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6284         Check whether two instructions have memory references that
6285         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
6286         are helper functions for traversing.
6287         * alias.h (insn_alias_sets_confilict_p): New prototypes.
6288         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6289         not to draw dependency edge for instructions with non-conflicting
6290         alias sets.
6292 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
6294         PR other/38758
6295         * longlong.h: Update copyright years.  Use soft-fp license notice.
6296         Sync __clz_tab declaration with glibc.
6298 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
6300         PR target/30687
6301         * doc/extend.texi (syscall_linkage): New.
6302         (version_id): Modify.
6304 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6305             Richard Guenther  <rguenther@suse.de>
6307         PR tree-optimization/38747
6308         PR tree-optimization/38748
6309         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6310         conversion if the base address is an indirect reference and the
6311         aliasing sets could cause issues.
6313 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6315         * common.opt (fgraphite, fgraphite-identity): Add comment for 
6316         explaining why these options are not documented.
6318 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6320         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6321         gimple_call_lhs is NULL.
6323 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
6325         PR target/38868
6326         * emit-rtl.c (adjust_address_1): Make sure memref is never
6327         overwritten.
6329 2009-01-20  Ben Elliston  <bje@au.ibm.com>
6331         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6332         const qualifier from arg parameter. Remove unnecessary cast to char *.
6333         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6334         const qualifier from arg 2.
6336 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
6338         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6340 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
6342         PR c/38869
6343         * rtl.h (reinit_regs): New prototype.
6344         * regclass.c: Include ira.h.
6345         (reinit_regs): New.
6346         * Makefile.in (regclass.o): Add ira.h.
6347         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6349 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
6351         PR target/38736
6352         * c-common.c (handle_aligned_attribute): Use
6353         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6354         default alignment value.
6356         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6358         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6359         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6361         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
6362         __BIGGEST_ALIGNMENT__.
6364         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6366 2009-01-18  Richard Guenther  <rguenther@suse.de>
6368         PR tree-optimization/38819
6369         * tree-flow.h (operation_could_trap_helper_p): Declare.
6370         * tree-eh.c (operation_could_trap_helper_p): Export.
6371         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6372         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6373         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6374         are about to insert a possibly trapping instruction and fail
6375         in this case.
6377 2009-01-18  Andreas Schwab  <schwab@suse.de>
6379         * doc/install.texi (Configuration): Remove obsolete paragraph
6380         about use of --with-gnu-ld with --with-gnu-as.
6382 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
6384         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6385         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6386         Follow spelling conventions.
6388 2009-01-18  Ben Elliston  <bje@au.ibm.com>
6390         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6391         C++ warning about implicit conversion from void * to struct
6392         bitmap_head_def *.
6393         (bitmap_obstack_free): Likewise for bitmap_element *.
6394         * Makefile.in (bitmap.o-warn): Remove.
6396 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
6398         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
6400 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
6401             Tobias Grosser  <tobi.grosser@amd.com>
6403         * graphite.c (graphite_trans_scop_block): Do not block single
6404         nested loops.
6406 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
6408         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6409         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6410         test with assertion.
6412 2009-01-16  Richard Guenther  <rguenther@suse.de>
6414         PR tree-optimization/38835
6415         PR middle-end/36227
6416         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6417         and INT + PTR -> (INT)(PTR p+ INT) folding.
6418         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6420 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
6422         PR target/38554
6423         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6424         the subreg from a lowpart subreg if it is also casting the value.
6426 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6427             Tobias Grosser  <tobi.grosser@amd.com>
6429         * graphite.c (compare_prefix_loops): New.
6430         (build_scop_canonical_schedules): Rewritten.
6431         (graphite_transform_loops): Move build_scop_canonical_schedules
6432         after build_scop_iteration_domain.
6434 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6435             Tobias Grosser  <tobi.grosser@amd.com>
6437         * graphite.c (add_conditions_to_domain): Add the loops to 
6438         the dimension of the iteration domain.  Do copy the domain
6439         only when it exists.
6440         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6441         (add_conditions_to_constraints): New.
6442         (can_generate_code_stmt, can_generate_code): Removed.
6443         (gloog): Do not call can_generate_code.
6444         (graphite_transform_loops): Call add_conditions_to_constraints
6445         after building the iteration domain.
6447 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
6449         PR tree-optimization/38789
6450         * tree-ssa-threadedge.c
6451         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6452         __builtin_constant_p.
6454 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
6456         * dce.c (delete_unmarked_insns): Reversed the order that insns are
6457         examined before deleting them.
6458         
6459 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
6461         * function.c (aggregate_value_p): Correctly extract the function
6462         type from CALL_EXPR_FN lookup.
6464 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
6466         * config/picochip/picochip.c (picochip_override_options): Revert
6467         CFI asm flag disable commited previously.
6469 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6470             Tobias Grosser  <tobi.grosser@amd.com>
6471             Jan Sjodin  <jan.sjodin@amd.com>
6473         * graphite.c (scan_tree_for_params): On substractions negate
6474         all the coefficients of the term.
6475         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6476         of more than two operands.
6477         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6478         (get_vdef_before_scop): Handle also the case of default definitions.
6480 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
6482         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6483         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6484         Also use them when walking CALL_INSN_FUNCTION_USAGE.
6486 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
6487             Joey Ye  <joey.ye@intel.com>
6489         PR middle-end/37843
6490         * cfgexpand.c (expand_stack_alignment): Don't update stack
6491         boundary nor check incoming stack boundary here.
6492         (gimple_expand_cfg): Update stack boundary and check incoming
6493         stack boundary here.
6495 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
6497         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6498         
6499 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
6501         PR rtl-optimization/38245
6502         * calls.c (expand_call): Add stack arguments to
6503         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6504         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6505         in regs and partially in memory or BLKmode arguments.
6506         (emit_library_call_value_1): Add stack arguments to
6507         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6508         ACCUMULATE_OUTGOING_ARGS).
6509         * dce.c: Include tm_p.h.
6510         (find_call_stack_args): New function.
6511         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
6512         argument.
6513         (mark_insn): Call find_call_stack_args for CALL_Ps.
6514         (prescan_insns_for_dce): Walk insns backwards in bb rather than
6515         forwards.  Allocate and free arg_stores bitmap if needed, pass it
6516         down to deletable_insn_p, don't mark stores set in arg_stores
6517         bitmap, clear the bitmap at the beginning of each bb.
6518         * Makefile.in (dce.o): Depend on $(TM_P_H).
6520 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
6522         PR target/22599
6523         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6524         to make sure the insn is a conditional test (bug 22599).  Reformat a
6525         few long lines.
6527 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6529         PR middle-end/38431
6530         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6531         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6532         (gloog): Do not call cleanup_tree_cfg.
6533         (graphite_transform_loops): Call cleanup_tree_cfg after all 
6534         scops have been code generated.
6536 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
6537         * doc/gty.texi (Invoking the garbage collector): Added new node
6538         and section documenting ggc_collect.
6540 2009-01-14  Richard Guenther  <rguenther@suse.de>
6542         PR tree-optimization/38826
6543         PR middle-end/38477
6544         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6545         initialization notes only if we actually emitted a warning.
6546         (intra_create_variable_infos): Add constraints for a result decl
6547         that is passed by hidden reference.
6548         (build_pred_graph): Mark all related variables non-direct on
6549         address-taking.
6551 2009-01-14  Nick Clifton  <nickc@redhat.com>
6553         * ira-conflicts.c: Include addresses.h for the definition of
6554         base_reg_class.
6555         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6556         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6558 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
6560         PR target/38811
6561         * Makefile.in (ira-lives.o): Add except.h.
6563         * ira-lives.c: Include except.h.
6564         (process_bb_node_lives): Process can_throw_internal.
6566 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
6568         PR rtl-optimization/38774
6569         * combine.c (simplify_set): When undoing cc_use change, don't do
6570         PUT_CODE on the newly created comparison, but instead put back the
6571         old comparison.
6573 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
6575         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6576         values.  Remove duplicate arm8 entry.
6578 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6580         PR tree-optimization/38786
6581         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6582         the SSA_NAME case of expand_scalar_variables_expr.
6583         Set the type of an expression to the type of its assign statement.
6584         (expand_scalar_variables_expr): Also gather the scalar computation
6585         used to index the memory access.  Do not pass loop_p.
6586         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6587         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6588         the gimple_stmt_iterator where it inserts new code.
6589         Do not pass loop_p.
6590         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6591         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6593 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6595         * graphite.h (debug_value): Removed.
6596         * graphite.c (debug_value): Removed.
6598 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6600         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6601         ldrd/strd with two 32-bit instructions.
6603 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6605         * config/arm/arm.c (struct processors): Pass for speed down into
6606         cost helper functions.
6607         (const_ok_for_op): Handle COMPARE and inequality nodes.
6608         (arm_rtx_costs_1): Rewrite.
6609         (arm_size_rtx_costs): Update prototype.
6610         (arm_rtx_costs): Pass speed down to helper functions.
6611         (arm_slowmul_rtx_costs): Rework cost calculations.
6612         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6613         (arm_9e_rtx_costs): Likewise.
6615 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
6617         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6618         relocations of local symbols wider than UNITS_PER_WORD are not valid.
6619         (alpha_legitimize_address): Do not split local symbols wider than
6620         UNITS_PER_WORD into HIGH/LO_SUM parts.
6622 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
6624         PR bootstrap/38580
6625         * gcc.c (process_command): Replace call to execvp with calls
6626         to pex_one and exit.
6628 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
6630         PR target/29141
6631         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6632         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6633         variant for devices with 3-byte PC.
6634         (__tablejump_elpm__): New.
6636 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6638         PR c/32041
6639         * c-parser.c (c_parser_postfix_expression): Allow `->' in
6640         offsetof member-designator, handle it as `[0].'.
6642 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6644         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6645         function when not using named sections on targets with named sections
6646         if branch distance is less than 262132.
6648 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
6650         * combine.c (combine_instructions):  Recompute
6651         optimize_this_for_speed_p  for each BB in the main combine loop.
6653 2009-01-12  Tomas Bily  <tbily@suse.cz>
6655         PR middlend/38385
6656         * tree-loop-distribution.c (prop_phis): New function.
6657         (generate_builtin): Call prop_phis.
6658         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6660 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6662         PR tree-optimization/38807
6663         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6664         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6666 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
6668         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6669         subreg of op0 to the original op0.
6671 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
6673         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6674         
6675 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
6677         PR debug/7055
6678         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6679         starting with digits.
6681 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
6683         PR target/38695
6684         * config/arm/arm.c (arm_is_long_call_p): Don't call
6685         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6687 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
6689         * regrename.c (regrename_optimize): Fix dumping.
6690         (find_oldest_value_reg): Preserve REG_POINTER.
6691         (copy_hardreg_forward_1): Likewise.
6693 2009-01-09  Diego Novillo  <dnovillo@google.com>
6695         * gimple.h (struct gimple_statement_base) <uid>: Document
6696         the restrictions on its use.
6697         (gimple_uid): Tidy.
6698         (gimple_set_uid): Tidy.
6700 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6702         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6703         zero guard even if align_bytes != 0 and count is smaller than
6704         size_needed.
6706 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
6708         PR rtl-optimization/38495
6709         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6710         (add_range_and_copies_from_move_list): Print all added ranges.
6711         Add ranges to memory optimized destination.
6713 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6715         PR target/38686
6716         PR target/38708
6717         * config/i386/i386.c (override_options): Reject
6718         -mstringop-strategy=rep_8byte with -m32.
6719         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6720         to 1.  Do count comparison against epilogue_size_needed at compile
6721         time even when count_exp was constant forced into register.  For
6722         size_needed don't jump to epilogue, instead just avoid aligning
6723         and invoke the body algorithm.  If need_zero_guard, add zero guard
6724         even if count is non-zero, but smaller than size_needed + number of
6725         bytes that could be stored for alignment.
6726         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6727         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
6728         but smaller than size_needed + number of bytes that could be stored
6729         for alignment.  Compare size_needed with epilogue_size_needed instead
6730         of desired_align - align, don't adjust size_needed, pass
6731         epilogue_size_needed to the epilogue expanders.
6733         PR c/35742
6734         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6736 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6738         * pa.c (last_address): Change to unsigned.
6739         (update_total_code_bytes): Change argument to unsigned.  Don't
6740         check if insn addresses are set.
6741         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6742         addresses are not set.
6743         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6745 2009-01-09  Nick Clifton  <nickc@redhat.com>
6747         * config/sh/symbian.c: Replace uses of DECL_INLINE with
6748         DECL_DECLARED_INLINE_P.
6750 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6752         PR middle-end/38347
6753         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6754         GET_MODE (op0) in operand_subword_force calls.
6756         PR middle-end/38771
6757         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6758         fold_convert arg0 operands to TREE_TYPE (op0) first.
6760 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
6762         * params.def (ira-max-conflict-table-size): Decrease default value
6763         to 1000.
6765 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
6767         PR tree-optimization/37031
6768         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6769         on parameter_set.
6770         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6771         allocate it using gc instead of heap, use VEC_quick_push instead of
6772         VEC_safe_push.
6773         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6774         instead of heap, use VEC_quick_push instead of VEC_safe_push.
6775         * tree-data-ref.h (struct access_matrix): Change matrix to gc
6776         allocated vector from heap allocated.
6777         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6778         * tree-loop-linear.c (linear_transform_loops): Allocate nest
6779         vector only after perfect_loop_nest_depth call.
6781 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6782             Jan Sjodin  <jan.sjodin@amd.com>
6784         PR tree-optimization/38559
6785         * graphite.c (debug_value, copy_constraint,
6786         swap_constraint_variables, scale_constraint_variable, ): New.
6787         (get_lower_bound, get_upper_bound): Removed.
6788         (graphite_trans_bb_strip_mine): Clean up this code that works
6789         only for constant number of iterations.  Fully copy upper and
6790         lower bound constraints, not only the constant part of them.
6791         * graphite.h (debug_value): Declared.
6793 2009-01-08  Ira Rosen  <irar@il.ibm.com>
6795         PR tree-optimization/37194
6796         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6797         Don't add the cost of cost model guard in prologue to scalar 
6798         outside cost in case of known number of iterations.
6800 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
6801             Alan Modra  <amodra@bigpond.net.au>
6803         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6804         non-word-aligned REG+CONST addressing.
6806 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6808         PR target/38706
6809         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6810         free_after_compilation when outputting a thunk.
6811         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6812         Do not call free_after_compilation here.
6814 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6816         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6817         (ix86_valid_target_attribute_inner_p): Ditto.
6819 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
6821         PR tree-optimization/38492
6822         PR tree-optimization/38498
6823         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6824         * tree-chrec.h (scev_is_linear_expression): Declared.
6825         * graphite.c (graphite_cannot_represent_loop_niter): New.
6826         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6827         (graphite_loop_normal_form): Use gcc_assert.
6828         (scan_tree_for_params): Use CASE_CONVERT.
6829         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6830         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6831         Use gcc_assert.  Discard scops that contain unhandled cases.
6832         (build_scop_conditions): Return a boolean status for unhandled cases.
6833         (strip_mine_profitable_p): Print the loop number, not its depth.
6834         (is_interchange_valid): Pass the depth of the loop nest, don't
6835         recompute it wrongly.
6836         (graphite_trans_bb_block): Same.
6837         (graphite_trans_bb_block): Print tentative of loop blocking.
6838         (graphite_trans_scop_block): Do not print that the loop has been
6839         blocked.
6840         (graphite_transform_loops): Do not handle scops that contain condition
6841         scalar phi nodes.
6843 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
6845         AVX Programming Reference (December, 2008)
6846         * config/i386/avxintrin.h (_mm256_stream_si256): New.
6847         (_mm256_stream_pd): Likewise.
6848         (_mm256_stream_ps): Likewise.
6850         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6851         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6852         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6853         (bdesc_special_args): Add __builtin_ia32_movntdq256,
6854         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6855         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6856         (ix86_expand_special_args_builtin): Likewise.
6858         * config/i386/sse.md (AVXMODEDI): New.
6859         (avx_movnt<mode>): Likewise.
6860         (avx_movnt<mode>): Likewise.
6861         (<sse>_movnt<mode>): Remove AVX support.
6862         (sse2_movntv2di): Likewise.
6864 2009-01-07  Richard Guenther  <rguenther@suse.de>
6866         PR middle-end/38751
6867         * fold-const.c (extract_muldiv): Remove obsolete comment.
6868         (fold_plusminus_mult_expr): Undo MINUS_EXPR
6869         to PLUS_EXPR canonicalization for the canonicalization.
6871 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
6873         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6874         hosted cross-compilers generating less efficient code.
6876 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6878         * function.h (rtl_data): Add a dbr_scheduled_p field.
6879         * reorg.c (dbr_schedule): Set it.
6880         (gate_handle_delay_slots): Check it.
6881         * config/mips/mips.c (mips_base_delayed_branch): Delete.
6882         (mips_reorg): Check flag_delayed_branch instead of
6883         mips_base_delayed_branch.
6884         (mips_override_options): Don't set mips_base_delayed_branch
6885         or flag_delayed_branch.
6887 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6889         PR rtl-optimization/38426.
6890         * ira.c (ira): Set current_function_is_leaf earlier.
6892 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
6894         PR rtl-optimization/38722
6895         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6896         too early, only set a flag and modify after last possible
6897         undo_all point.
6899 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
6901         PR c/34252
6902         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6903         * real.c (decimal_single_format): Correct values of emin and emax.
6904         (decimal_double_format): Ditto.
6905         (decimal_quad_format): Ditto.
6906         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6907         computation of DECnn_MIN and DECnn_MAX for corrected values of
6908         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
6909         __DECnn_MIN__, and adjust its computation for the corrected value
6910         of emin.
6912 2009-01-06  Jan Hubicka  <jh@suse.cz>
6914         PR target/38744
6915         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6917 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
6919         * doc/contrib.texi (Contributors): Slightly adjust the end note.
6920         Add Robert Clark to the list of testers.
6922 2009-01-06  Jan Hubicka  <jh@suse.cz>
6923             Kai Tietz  <kai.tietz@onevision.com>
6925         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6926         * config/i386/i386.c (ix86_expand_call): Add clobbers.
6928 2009-01-06  Jan Hubicka  <jh@suse.cz>
6929             Kai Tietz  <kai.tietz@onevision.com>
6931         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6932         for w64 ABI.
6933         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6934         (ix86_nsaved_regs): Count only general purpose regs.
6935         (ix86_nsaved_sseregs): New.
6936         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6937         to 16 for w64; compute padding and size of sse reg save area.
6938         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6939         general purpose regs.
6940         (ix86_emit_save_sse_regs_using_mov): New.
6941         (ix86_expand_prologue): Save SSE regs if needed.
6942         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6943         (ix86_emit_restore_sse_regs_using_mov): New.
6944         (ix86_expand_epilogue): Save SSE regs if needed.
6946 2009-01-06  Jan Hubicka  <jh@suse.cz>
6947             Kai Tietz  <kai.tietz@onevision.com>
6949         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6950         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6951         functions when accumulate outgoing args is off.
6953 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
6955         PR bootstrap/38742
6956         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6957         before using pseudos_have_intersected_live_ranges_p.
6959         * ira-int.h (ira_assert): Always define.
6961 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
6963         AVX Programming Reference (December, 2008)
6964         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
6965         (_mm256_permute2_pd): Likewise.
6966         (_mm_permute2_ps): Likewise.
6967         (_mm256_permute2_ps): Likewise.
6968         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
6969         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
6971         * config/i386/i386.c (ix86_builtins): Remove
6972         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
6973         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
6974         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
6975         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
6976         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
6977         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
6978         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
6979         __builtin_ia32_vpermil2ps256.
6980         (ix86_init_mmx_sse_builtins): Updated.
6981         (ix86_expand_args_builtin): Likewise.
6983 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6985         * pa.c (output_call): Relocate non-jump insns in the delay slot of
6986         long absolute calls when generating PA 2.0 code.
6988 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
6990         PR rtl-optimization/38583
6991         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
6993         * params.def (ira-max-conflict-table-size): New.
6995         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
6996         
6997         * ira.h (ira_conflicts_p): New external definition.
6998         
6999         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7000         table.  Report this.  Return result of building.
7001         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
7002         building conflict table.
7004         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7005         (ira_color): Use ira_conflicts_p.
7006         
7007         * global.c: Include ira.h.
7008         (pseudo_for_reload_consideration_p, build_insn_chain): Use
7009         ira_conflicts_p.
7011         * Makefile.in (global.o): Add ira.h.
7012         
7013         * ira-build.c (mark_all_loops_for_removal,
7014         propagate_some_info_from_allocno): New.
7015         (remove_unnecessary_allocnos): Call
7016         propagate_some_info_from_allocno.
7017         (remove_low_level_allocnos): New.
7018         (remove_unnecessary_regions): Add parameter.  Call
7019         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
7020         parameter to remove_unnecessary_regions.
7021         (ira_build): Remove all regions but root if the conflict table was
7022         not built.  Update conflict hard regs for allocnos crossing calls.
7024         * ira.c (ira_conflicts_p): New global.
7025         (ira): Define and use ira_conflicts_p.
7027         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7028         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7029         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7030         
7031 2009-01-06  Ben Elliston  <bje@au.ibm.com>
7033         * gengtype-lex.l (YY_NO_INPUT): Define.
7035 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7037         PR c/34911
7038         * c-common.c (handle_vector_size_attribute): Also reject
7039         BOOLEAN_TYPE types.
7041 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
7043         PR tree-optimization/38492
7044         * graphite.c (rename_map_elt, debug_rename_elt,
7045         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7046         rename_map_elt_info, eq_rename_map_elts,
7047         get_new_name_from_old_name, bb_in_sese_p): Moved around.
7048         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7049         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7050         (sese_build_livein_liveouts): New.
7051         (new_sese, free_sese): New.
7052         (new_scop): Call new_sese.
7053         (free_scop): Call free_sese.
7054         (rename_variables_from_edge, rename_phis_end_scop): Removed.
7055         (register_old_new_names): Renamed register_old_and_new_names.
7056         (register_scop_liveout_renames, add_loop_exit_phis,
7057         insert_loop_close_phis, struct igp,
7058         default_liveout_before_guard, add_guard_exit_phis,
7059         insert_guard_phis, copy_renames): New.
7060         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7061         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7062         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7063         (scop_adjust_phis_for_liveouts): New.
7064         (gloog): Call scop_adjust_phis_for_liveouts.
7066         * graphite.h (struct sese): Documented.  Added fields liveout,
7067         num_ver and livein.
7068         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7069         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7070         (struct scop): Added field liveout_renames.
7071         (SCOP_LIVEOUT_RENAMES): New.
7073 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7075         PR tree-optimization/38510
7076         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7077         (translate_clast): Call recompute_all_dominators before
7078         graphite_verify.
7079         (gloog): Call recompute_all_dominators before graphite_verify.
7081 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7082             Jan Sjodin  <jan.sjodin@amd.com>
7084         PR tree-optimization/38500
7085         * graphite.c (create_sese_edges): Call fix_loop_structure after
7086         splitting blocks.
7088 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
7090         * config.gcc: Add m32r*-*-rtems*.
7091         * config/m32r/rtems.h: New file.
7093 2009-01-05  Ben Elliston  <bje@au.ibm.com>
7095         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7096         (.po.pox): Likewise.
7097         (po/gcc.pot): Likewise.
7099 2009-01-04  David S. Miller  <davem@davemloft.net>
7101         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7102         (STARTING_FRAME_OFFSET): Always set to zero.
7104 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7106         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7107         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7108         fixed-point types, and vectors of the same.
7110 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7112         * config/mips/sync.md (*mb_barrier): Rename to...
7113         (*memory_barrier): ...this.
7115 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
7117         * doc/extend.texi (Function Attributes): Move @cindex after @item
7118         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7119         and put in alphabetical order. Fix 'target' name and put in order.
7120         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7121         typos.
7123 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
7125         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7126         (memory_barrier): Expand as unspec instead of unspec_volatile.
7127         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7128         (*memory_barrier): Define as unspec instead of unspec_volatile.
7129         Use (match_dup 0) as input operand.
7131         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7132         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7133         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
7134         scratch register.  Remove operand 1.
7135         (*stbar): Define as unspec instead of unspec_volatile.
7136         Use (match_dup 0) as input operand, remove (const_int 8).
7137         (*membar): Define as unspec instead of unspec_volatile.
7138         Use (match_dup 0) as input operand, remove input operand 2.
7140         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7141         (memory_barrier): Expand as unspec instead of unspec_volatile.
7142         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7143         (*memory_barrier): Define as unspec instead of unspec_volatile.
7144         Use (match_dup 0) as input operand.
7146         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7147         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7148         Set volatile flag on operand 0.
7149         (*memory_barrier): New insn pattern.
7151         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7152         insn operands.
7153         (*memory_barrier): Use (match_dup 0) as input operand.
7155         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7156         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7157         Set volatile flag on operand 0.
7158         (*mb_internal): New insn pattern.
7160         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7162 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7164         PR middle-end/38586
7165         * function.c (struct temp_slot): Move to the section of the file
7166         that deals with temp slots.  Remove field 'address'.
7167         (temp_slot_address_table): New hash table of address -> temp slot.
7168         (struct temp_slot_address_entry): New struct, items for the table.
7169         (temp_slot_address_compute_hash, temp_slot_address_hash,
7170         temp_slot_address_eq, insert_temp_slot_address): Support functions
7171         for the new table.
7172         (find_temp_slot_from_address): Rewrite to use the new hash table.
7173         (remove_unused_temp_slot_addresses): Remove addresses of temp
7174         slots that have been made available.
7175         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7176         worker function for remove_unused_temp_slot_addresses.
7177         (assign_stack_temp_for_type): Don't clear the temp slot address list.
7178         Add the temp slot address to the address -> temp slot map.
7179         (update_temp_slot_address): Update via insert_temp_slot_address.
7180         (free_temp_slots): Call remove_unused_temp_slot_addresses.
7181         (pop_temp_slots): Likewise.
7182         (init_temp_slots): Allocate the address -> temp slot map, or empty
7183         the map if it is already allocated.
7184         (prepare_function_start): Initialize temp slot processing.
7186 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7188         PR middle-end/38584
7189         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7190         Calculate the size of all stack vars assuming no packing of stack
7191         vars will happen, replacing a quadratic algorithm with a linear one.
7193 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7195         PR target/38707
7196         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7197         can't be used.
7199 2009-01-03  Diego Novillo  <dnovillo@google.com>
7201         * doc/contrib.texi: Update contributions.
7203 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7205         PR c++/38705
7206         * builtins.c (fold_builtin_memory_op): Give up if either operand
7207         is volatile.  Set srctype or desttype to non-qualified version
7208         of the other type.
7210         PR c/38700
7211         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7212         and FUNCTION_DECLs.
7214 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
7216         PR rtl-optimization/35805
7217         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7218         problem if fast dce is able to remove any instructions.
7219         * dce.c (dce_process_block): Fix dump message.
7220         
7221 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
7223         PR 33649
7224         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7226 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
7228         PR middle-end/38690
7229         * tree-flow.h (op_code_prio, op_prio): New prototypes.
7230         * tree-pretty-print.c (op_code_prio): New function.
7231         (op_prio): No longer static.  Use op_code_prio.
7232         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7233         Use op_prio and op_code_prio to determine if () should be
7234         printed around operand(s) or not.
7236         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7237         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7238         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7239         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7240         pp_character instead of pp_string for single letter printing.
7242 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
7244         * doc/extend.texi: Fix '#pragma GCC option' typo.
7246 2009-01-02  Richard Guenther  <rguenther@suse.de>
7248         * doc/install.texi (--enable-checking): Mention different
7249         default for stage1.
7250         (--enable-stage1-checking): Document.
7252 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
7254         PR middle-end/30142
7255         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
7256         case to be an error.
7258 2009-01-02  Ben Elliston  <bje@au.ibm.com>
7260         * config/fp-bit.h (pack_d): Constify argument.
7261         * config/fp-bit.c (makenan): Constify return type. Remove casts.
7262         (isnan): Constify argument.
7263         (isinf): Likewise.
7264         (iszero): Likewise.
7265         (pack_d): Likewise.
7266         (_fpadd_parts): Constify return type.
7267         (_fpmul_parts): Likewise.
7268         (_fpdiv_parts): Likewise.
7270 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
7272         PR c/36489
7273         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
7274         warn about overwriting initializer with side-effects or
7275         -Woverride-init if !IMPLICIT.
7276         (output_init_element): Likewise.  Pass IMPLICIT down to
7277         add_pending_init.
7278         (process_init_element): Add IMPLICIT argument.  Pass it down
7279         to output_init_element.
7280         (push_init_element, pop_init_level, set_designator): Adjust
7281         process_init_element callers.
7282         (set_nonincremental_init, set_nonincremental_init_from_string):
7283         Adjust add_pending_init callers.
7284         (output_pending_init_elements): Adjust output_init_element callers.
7285         * c-tree.h (process_init_element): Adjust prototype.
7286         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7287         process_init_element callers.