* dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
[official-gcc.git] / gcc / ChangeLog
bloba9cd06f0d4e35854bd649227a692523cebc98b80
1 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
3         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
5 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
7         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
8         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
10 2009-04-17  Richard Guenther  <rguenther@suse.de>
12         * tree-ssa-structalias.c (get_constraint_for_component_ref):
13         Handle component references view-converting an invariant address.
15 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
17         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
18         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
19         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
20         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
21         Use @deftypevr rather than @deftypevar.
23 2009-04-17  Richard Guenther  <rguenther@suse.de>
25         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up
26         tuplification.
27         (get_prop_source_stmt): Likewise.
28         (can_propagate_from): Likewise.
30 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
32         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
33         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
34         (--with-multilib-list): Add default value.
35         * configure: Regenerate.
36         * Makefile.in (TM_ENDIAN_CONFIG): Define.
37         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
38         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
39         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
40         Don't add default cpu to multilib list unnecessarily, but do enable
41         the relevant compiler option..
42         Add support for --with-multilib-list=<blank> and
43         --with-multilib-list=!<somelib> to supress unwanted multilibs.
44         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
45         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
46         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
47         TM_MULTILIB_CONFIG.
48         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
49         (MULTILIB_OSDIRNAMES): New variable.
50         * config/sh/t-1e: Delete file.
51         * config/sh/t-mlib-sh1: Delete file.
52         * config/sh/t-mlib-sh2: Delete file.
53         * config/sh/t-mlib-sh2a: Delete file.
54         * config/sh/t-mlib-sh2a-nofpu: Delete file.
55         * config/sh/t-mlib-sh2a-single: Delete file.
56         * config/sh/t-mlib-sh2a-single-only: Delete file.
57         * config/sh/t-mlib-sh2e: Delete file.
58         * config/sh/t-mlib-sh3e: Delete file.
59         * config/sh/t-mlib-sh4: Delete file.
60         * config/sh/t-mlib-sh4-nofpu: Delete file.
61         * config/sh/t-mlib-sh4-single: Delete file.
62         * config/sh/t-mlib-sh4-single-only: Delete file.
63         * config/sh/t-mlib-sh4a: Delete file.
64         * config/sh/t-mlib-sh4a-nofpu: Delete file.
65         * config/sh/t-mlib-sh4a-single: Delete file.
66         * config/sh/t-mlib-sh4a-single-only: Delete file.
67         * config/sh/t-mlib-sh4al: Delete file.
68         * config/sh/t-mlib-sh5-32media: Delete file.
69         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
70         * config/sh/t-mlib-sh5-64media: Delete file.
71         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
72         * config/sh/t-mlib-sh5-compact: Delete file.
73         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
74         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
75         * doc/install.texi (Options specification): Add
76         --with-multilib-list and --with-endian.
78 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
80         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
81         REVISION_c.
82         (OBJS-common): Add plugin-version.o.
83         (plugin-version.o): New.
84         * gcc-plugin.h (plugin_gcc_version): New.
85         (plugin_default_version_check): New.
86         (plugin_init_func, plugin_init): Add version argument.
87         * plugin-version.c: New.
88         * plugin.c (str_plugin_gcc_version_name): New.
89         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
90         pass it to the init function.
91         (plugin_default_version_check): New.
93 2009-04-17  Richard Guenther  <rguenther@suse.de>
95         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
96         for decl-vs-decl disambiguation.
98 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
100         * config/s390/s390.h (s390_tune_attr): New macro definition.
101         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
103 2009-04-17  Richard Guenther  <rguenther@suse.de>
105         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
106         (fold_stmt_r): Likewise.
107         (maybe_fold_reference): New function.
108         (fold_gimple_assign): Handle cases fold_stmt_r did.
109         (fold_stmt): Do not use fold_stmt_r.
110         (fold_stmt_inplace): Likewise.
112 2009-04-17  Richard Guenther  <rguenther@suse.de>
114         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
115         (record_equivalences_from_stmt): Remove useless checks and
116         simplifications.
117         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
118         the type is already suitable.
120 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
122         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
124 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
126         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
127         (CMPtype): Define as __gcc_CMPtype.
129 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
131         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
132         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
134 2009-04-17  Richard Guenther  <rguenther@suse.de>
136         PR tree-optimization/39746
137         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
138         special-casing for builtins and static variable use/def.
139         (call_may_clobber_ref_p_1): Likewise.
141 2009-04-16  Ian Lance Taylor  <iant@google.com>
143         * df.h: Include "timevar.h".
144         (struct df_problem): Change tv_id field to timevar_id_t.
145         * tree-pass.h: Include "timevar.h".
146         (struct opt_pass): Change tv_id field to timevar_id_t.
147         * timevar.h (timevar_id_t): Define TV_NONE.
148         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
149         TV_NONE rather than tv_id != 0.
150         (execute_one_pass): Likewise.
151         * Makefile.in (DF_H): Add $(TIMEVAR_H).
152         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
153         dependencies to $(TREE_PASS_H).
154         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
155         to TV_NONE.
156         (pass_branch_target_load_optimize2): Likewise.
157         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
158         (pass_outof_cfg_layout_mode): Likewise.
159         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
160         (pass_rebuild_cgraph_edges): Likewise.
161         (pass_remove_cgraph_callee_edges): Likewise.
162         * df-core.c (pass_df_initialize_opt): Likewise.
163         (pass_df_initialize_no_opt): Likewise.
164         (pass_df_finish): Likewise.
165         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
166         * except.c (pass_set_nothrow_function_flags): Likewise.
167         (pass_convert_to_eh_region_ranges): Likewise.
168         * final.c (pass_compute_alignments): Likewise.
169         * function.c (pass_instantiate_virtual_regs): Likewise.
170         (pass_init_function): Likewise.
171         (pass_leaf_regs): Likewise.
172         (pass_match_asm_constraints): Likewise.
173         * gimple-low.c (pass_lower_cf): Likewise.
174         (pass_mark_used_blocks): Likewise.
175         * init-regs.c (pass_initialize_regs): Likewise.
176         * integrate.c (pass_initial_value_sets): Likewise.
177         * ira.c (pass_ira): Likewise.
178         * jump.c (pass_cleanup_barriers): Likewise.
179         * omp-low.c (pass_expand_omp): Likewise.
180         (pass_lower_omp): Likewise.
181         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
182         * recog.c (pass_split_all_insns): Likewise.
183         (pass_split_after_reload): Likewise.
184         (pass_split_before_regstack): Likewise.
185         (pass_split_before_sched2): Likewise.
186         (pass_split_for_shorten_branches): Likewise.
187         * reginfo.c (pass_reginfo_init): Likewise.
188         (pass_subregs_of_mode_init): Likewise.
189         (pass_subregs_of_mode_finish): Likewise.
190         * passes.c (pass_postreload): Likewise.
191         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
192         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
193         (pass_warn_function_return): Likewise.
194         (pass_warn_function_noreturn): Likewise.
195         * tree-complex.c (pass_lower_complex): Likewise.
196         (pass_lower_complex_O0): Likewise.
197         * tree-if-conv.c (pass_if_conversion): Likewise.
198         * tree-into-ssa.c (pass_build_ssa): Likewise.
199         * tree-mudflap.c (pass_mudflap_1): Likewise.
200         (pass_mudflap_2): Likewise.
201         * tree-nomudflap.c (pass_mudflap_1): Likewise.
202         (pass_mudflap_2): Likewise.
203         * tree-nrv.c (pass_return_slot): Likewise.
204         * tree-object-size.c (pass_object_sizes): Likewise.
205         * tree-optimize.c (pass_all_optimizations): Likewise.
206         (pass_early_local_passes): Likewise.
207         (pass_all_early_optimizations): Likewise.
208         (pass_cleanup_cfg): Likewise.
209         (pass_cleanup_cfg_post_optimizing): Likewise.
210         (pass_free_datastructures): Likewise.
211         (pass_free_cfg_annotations): Likewise.
212         (pass_fixup_cfg): Likewise.
213         (pass_init_datastructures): Likewise.
214         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
215         (pass_late_warn_uninitialized): Likewise.
216         (pass_update_address_taken): Likewise.
217         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
218         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
219         (pass_cse_sincos): Likewise.
220         (pass_convert_to_rsqrt): Likewise.
221         * tree-ssa-structalias.c (pass_build_alias): Likewise.
222         * tree-stdarg.c (pass_stdarg): Likewise.
223         * tree-tailcall.c (pass_tail_recursion): Likewise.
224         (pass_tail_calls): Likewise.
225         * tree-vect-generic.c (pass_lower_vector): Likewise.
226         (pass_lower_vector_ssa): Likewise.
227         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
229 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
231         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
232         XLR entry.
233         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
234         Handle -march=xlr.
235         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
236         logical and signext.
238 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
240         PR target/39767
241         * config/sh/predicates.md (arith_operand): Check if the operand
242         of TRUNCATE is a REG.
244 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
246         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
247         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
249 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
251         * tree-iterator.c (tsi_split_statement_list_after,
252         tsi_split_statement_list_before): Remove.
253         * tree-iterator.h: Remove the prototypes for
254         tsi_split_statement_list_after and tsi_split_statement_list_before.
256 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
258         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
259         * tree-ssa-propagate.h: Remove the prototype for
260         stmt_makes_single_load.
262 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
264         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
265         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
267 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
269         * tree-iterator.c (EXPR_LAST_BODY): Remove.
271 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
273         * except.c (eh_region_outer_p): Remove.
274         * except.h: Remove the prototype for eh_region_outer_p.
276 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
278         * function.c (current_function_assembler_name): Remove.
279         * function.h: Remove the prototype for
280         current_function_assembler_name.
282 2009-04-16  Ian Lance Taylor  <iant@google.com>
284         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
285         (add_reg_note): Call alloc_reg_note.
286         * rtl.h (alloc_reg_note): Declare.
287         * combine.c (try_combine): Use alloc_reg_note.
288         (recog_for_combine, move_deaths): Likewise.
289         (distribute_notes): Use alloc_reg_note and add_reg_note.
290         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
291         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
292         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
294 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
296         PR rtl-optimization/39762
297         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
298         ira_may_move_out_cost): Add comments about way of their usage.
299         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
300         
301         * ira-conflicts.c (process_regs_for_copy): Use function
302         ira_get_register_move_cost instead of global
303         ira_register_move_cost.
305         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
306         color_pass, move_spill_restore, update_curr_costs): Ditto.
308         * ira-lives.c (process_single_reg_class_operands): Ditto.
310         * ira-emit.c (emit_move_list): Ditto.
312         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
313         (record_reg_classes): Ditto.  Use functions
314         ira_get_register_move_cost and ira_get_may_move_cost instead of
315         global vars ira_register_move_cost, ira_may_move_out_cost and
316         ira_may_move_in_cost.
317         (record_address_regs): Don't call ira_init_register_move_cost.
318         Use function ira_get_may_move_cost instead of global
319         ira_may_move_in_cost.
320         (process_bb_node_for_hard_reg_moves): Use function
321         ira_get_register_move_cost instead of global ira_register_move_cost.
322         (ira_costs): Don't call ira_init_register_move_cost.
323         
324 2009-04-16  Richard Guenther  <rguenther@suse.de>
326         * tree-cfg.c (verify_gimple_assign_binary):
327         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
328         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
329         (create_general_new_stmt): Note that this function is broken.
331 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
333         * common.opt (fhelp): Add Var(help_flag).
334         * gcc-plugin.h (plugin_info): Add help.
335         * plugin.c (plugin_name_args): Add help.
336         (register_plugin_info): Set plugin->help.
337         (print_help_one_plugin): New.
338         (print_plugins_help): New.
339         * plugin.h (print_plugins_help): New.
340         * toplev.c (toplev_main): Call print_plugins_help if needed.
342 2009-04-16  Richard Guenther  <rguenther@suse.de>
344         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
345         (gimple_ior_addresses_taken_1): New function.
346         (gimple_ior_addresses_taken): Likewise.
347         * gimple.h (struct gimple_statement_with_ops_base): Remove
348         addresses_taken member.
349         (gimple_ior_addresses_taken): Declare.
350         (gimple_addresses_taken, gimple_addresses_taken_ptr,
351         gimple_set_addresses_taken): Remove.
352         * ipa-reference.c (mark_address): New function.
353         (scan_stmt_for_static_refs): Use it for marking addresses taken.
354         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
355         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
356         (gimple_add_to_addresses_taken): Remove.
357         (get_tmr_operands): Call mark_address_taken.
358         (get_asm_expr_operands): Likewise.
359         (get_expr_operands): Likewise.
360         (build_ssa_operands): Do not clear the addresses_taken bitmap.
361         (free_stmt_operands): Do not free it.
362         * tree-ssa.c (delete_tree_ssa): Likewise.
363         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
365 2009-04-16  Richard Guenther  <rguenther@suse.de>
367         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
368         (walk_stmt_load_store_ops): Likewise.
369         * gimple.c (get_base_loadstore): New function.
370         (walk_stmt_load_store_addr_ops): Likewise.
371         (walk_stmt_load_store_ops): Likewise.
372         * ipa-pure-const.c (check_op): Simplify.
373         (check_load, check_store): New functions.
374         (check_stmt): Use walk_stmt_load_store_ops.
375         * ipa-reference.c (mark_load): Adjust signature.
376         (mark_store): Likewise.
377         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
379 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
381         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
382         (plugin_info): New.
383         * opts.c (common_handle_option): Don't call print_version.
384         * plugin.c (plugin_name_args): Add version.
385         (register_plugin_info): New.
386         (register_callback): Handle PLUGIN_INFO.
387         (try_init_one_plugin): New.
388         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
389         if failed to init.
390         (finalize_one_plugin): New.
391         (finalize_plugins): New.
392         (print_one_plugin): New.
393         (print_plugins_versions): New.
394         * plugin.h (print_plugins_versions): New.
395         (finalize_plugins): New.
396         * toplev.c (compile_file): Don't call initialize_plugins.
397         (print_version): Call print_plugins_versions.
398         (toplev_main): Call initialize_plugins. Print version if needed.
399         Call finalize_plugins.
401 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
403         * common.opt (fversion): New.
404         * gcc.c (print_version): New.
405         (process_command): Don't print the version. Just set print_version.
406         (main): Print version. Call subprocesses if print_version and
407         verbose_flag are set.
408         * opts.c (common_handle_option): Handle OPT_fversion.
410 2009-04-16  Richard Guenther  <rguenther@suse.de>
411             Ira Rosen  <irar@il.ibm.com>
413         PR tree-optimization/39698
414         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
415         type of the reduction variable.  Only generate the def if
416         it is needed.
418         * omp-low.c (expand_omp_for_generic): When converting to a pointer
419         make sure to first convert to an integer of the same precision.
420         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
421         the type of the evolution correctly in computing the new
422         induction variable base.
424 2009-04-16  Richard Guenther  <rguenther@suse.de>
426         PR middle-end/39625
427         * tree-cfg.c (make_blocks): Split statements with to-be
428         abnormal SSA names on the lhs.
430 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
432         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
433         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
434         * c-typeck.c (really_start_incremental_init): Likewise.
435         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
436         (TARGET_INITIALIZER): Remove it.
437         * target.h (struct target): Remove vector_opaque_p.
438         * tree.c (build_opaque_vector_type): New.
439         * tree.h (TYPE_VECTOR_OPAQUE): New.
440         (build_opaque_vector_type): Declare.
441         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
442         * config/rs6000/rs6000.c (build_opaque_vector_type,
443         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
444         (rs6000_init_builtins): Use build_opaque_vector_type for
445         opaque_V4SI_type_node.
447 2009-04-15  Catherine Moore  <clm@codesourcery.com>
449         * debug.h (set_name):  Declare.
450         * dwarf2out.c (dwarf2out_set_name): Declare.
451         (dwarf2_debug_hooks): Add set_name.
452         (find_AT_string): New.
453         (add_AT_string): Call find_AT_string.
454         (dwarf2out_set_name): New.
455         * cp/decl.c (grokdeclarator): Call set_name.
456         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
457         * debug.c (do_nothing_debug_hooks):  Likewise.
458         * dbxout.c (dbx_debug_hooks): Likewise.
459         * sdbout.c (sdb_debug_hooks): Likewise.
461 2009-04-15  Michael Eager <eager@eagercon.com>
463         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
464         reg for single-precision FPU.
465         * config/rs6000/rs6000.md (movsi_internal1): Only for
466         !TARGET_SINGLE_FPU.
467         (movsi_internal1_single): New. Add pattern to move SI values to/from
468         single-precision FP regs.
470 2009-04-15  Richard Guenther  <rguenther@suse.de>
472         * omp-low.c (lower_rec_input_clauses): Build correct address
473         expressions.
474         (expand_omp_for_generic): Fix multiplication type.
475         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
476         (generate_memset_zero): Fix types.
477         * tree-profile.c (prepare_instrumented_value): Correctly
478         widen a pointer.
480 2009-04-15  Ian Lance Taylor  <iant@google.com>
482         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
483         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
484         for -Wall and for -Wc++-compat.
485         (c_common_post_options): For C++, set warn_enum_compare if not
486         already set.
487         * c-tree.h (struct c_expr): Add field original_type.
488         (build_external_ref): Update declaration.
489         * c-parser.c (c_parser_braced_init): Set original_type.
490         (c_parser_initelt): Likewise.
491         (c_parser_expr_no_commas): Likewise.
492         (c_parser_conditional_expression): Likewise.
493         (c_parser_cast_expression): Likewise.
494         (c_parser_unary_expression): Likewise.  Pull setting of
495         original_code to top of function.
496         (c_parser_sizeof_expression): Set original_type.
497         (c_parser_alignof_expression): Likewise.
498         (c_parser_postfix_expression): Likewise.  Pull setting of
499         original_code to top of function.
500         (c_parser_postfix_expression_after_paren_type): Set original_type.
501         (c_parser_postfix_expression_after_primary): Likewise.
502         (c_parser_expression): Likewise.
503         * c-typeck.c (build_external_ref): Add type parameter.  Change all
504         callers.
505         (c_expr_sizeof_expr): Set original_type field.
506         (parser_build_unary_op): Likewise.
507         (parser_build_binary_op): Likewise.  Optionally warn about
508         comparisons of enums of different types.
509         (digest_init): Set original_type field.
510         (really_start_incremental_init): Likewise.
511         (push_init_level, pop_init_level): Likewise.
512         * doc/invoke.texi (Warning Options): -Wenum-compare now
513         supported in C.
515 2009-04-15  Richard Guenther  <rguenther@suse.de>
517         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
518         out a necessary conversion.
519         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
520         names we didn't value number.
521         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
523 2009-04-15  Richard Guenther  <rguenther@suse.de>
525         PR tree-optimization/39764
526         * tree-ssa-ccp.c (get_value): Canonicalize value with
527         canonicalize_float_value.
529 2009-04-15  Jan Hubicka  <jh@suse.cz>
531         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
532         Wrong version of patch.
534 2009-04-15  Jan Hubicka  <jh@suse.cz>
536         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
538 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
540         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
541         our distinct integral and vector types.
543 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
545         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
546         * init.c (build_vtbl_address): Remove call to assemble_external.
548 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
550         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
551         output for other floating point modes.
553 2009-04-14  Diego Novillo  <dnovillo@google.com>
555         * diagnostic.c (diagnostic_report_diagnostic): Do not
556         warn about loaded plugins for DK_ERROR and DK_WARNING.
557         * c-decl.c (declspecs_add_type): Move call to
558         invoke_plugin_callbacks ...
559         * c-parser.c (c_parser_declspecs): ... here.
560         * plugin.c (dump_active_plugins): Tidy output.
562 2009-04-14  Diego Novillo  <dnovillo@google.com>
563             Le-Chun Wu  <lcwu@google.com>
565         * configure.ac: Add --enable-plugin support.
566         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
567         * Makefile.in (PLUGIN_H): Define.
568         Export ENABLE_PLUGIN and GMPINC to site.exp.
569         Add PLUGINLIBS to link command.
570         Add/modify dependencies for plugin.o and files including plugin.h.
571         (plugin.o): New.
572         * config.in: Regenerate.
573         
574         * opts.c (common_handle_option): Handle OPT_fplugin_ and
575         OPT_fplugin_arg_.
577 2009-04-14  Le-Chun Wu  <lcwu@google.com>
579         * tree-pass.h (register_one_dump_file): Add a prototype for
580         register_one_dump_file.
581         * toplev.c (compile_file): Call initialize_plugins.
582         (do_compile): Call invoke_plugin_callbacks.
583         (toplev_main): Call invoke_plugin_callbacks.
584         * common.opt: Add -fplugin= and -fplugin-arg-.
585         * gcc-plugin.h: New public header file for plugins to include.
586         * plugin.c: New source file.
587         * plugin.h: New internal header file.
588         * passes.c (register_one_dump_file): Make it external.
589         
590         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
592 2009-04-14  Diego Novillo  <dnovillo@google.com>
594         * doc/plugins.texi: New.
595         * doc/gccint.texi: Add reference to Plugins chapter.
596         * doc/invoke.texi: Document -fplugin and -fplugin-arg
597         * diagnostic.c (diagnostic_report_diagnostic): Warn about
598         loaded plugins, if any.
599         * timevar.def (TV_PLUGIN_INIT): Define.
600         (TV_PLUGIN_RUN): Define.
601         * plugin.c: Include timevar.h
602         (plugins_active_p): New.
603         (dump_active_plugins): New.
604         (debug_active_plugins): New.
606 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
608         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
609         library paths.
610         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
612 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
614         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
615         the same as a minus without a shift.
617 2009-04-14  Nick Clifton  <nickc@redhat.com>
619         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
620         comparisons with small integers will always produce a short
621         branch.
623 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
625         Merge:
626         2008-12-19  Diego Novillo  <dnovillo@google.com>
628         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
630 2000-04-14  Richard Guenther  <rguenther@suse.de>
632         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
633         verification.
634         (verify_gimple_assign_binary): Likewise.  Handle shifts and
635         rotates correctly.
636         (verify_gimple_phi): Print the mismatched argument position.
637         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
638         Fix types.
639         (vect_update_init_of_dr): Likewise.
640         * matrix-reorg.c (transform_access_sites): Do what the
641         comment suggests.
642         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
644 2009-04-13  Michael Eager <eager@eagercon.com>
646         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
647         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
648         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
649         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
650         remove duplicate config
652 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
654         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
655         file_name:line_number type locator of the call site.
656         
657 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
659         * genautomata.c: Put blank after comma.
660         (automaton_decls): New.
661         (struct unit_usage): Add comments to member next.
662         (store_alt_unit_usage): Keep the list ordered.
663         (unit_present_on_list_p, equal_alternatives_p): New.
664         (check_regexp_units_distribution): Check units distribution
665         correctness correctly.
666         (main): Don't write automata if error is found.  Return correct
667         exit code.
668         
669         * config/m68k/cf.md (cfv4_ds): Remove.
670         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
671         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
673         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
674         power4-load-ext, power4-store, power4-store-update,
675         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
676         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
677         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
678         power4-sqrt, power4-isync): Modify reservation to make correct
679         unit distribution to automata.
681         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
682         power5-store-update, power5-two, power5-three, power5-lmul,
683         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
684         
685 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
687         * except.c (pass_set_nothrow_function_flags): Set name and add
688         TODO_dump_func.
689         (set_nothrow_function_flags): Mention in the dump file when
690         changing a function to nothrow.
692 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
694         PR/39066
695         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
696         instead of unsigned long.
698 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
700         * config/arm/arm.c (return_used_this_function): Remove.
701         (arm_output_function_prologue): Remove use of
702         return_used_this_function.
703         (output_return_instruction): Replace use of
704         return_used_this_function
705         by cfun->machine->return_used_this_function.
706         (arm_output_epilogue): Likewise.
707         (arm_output_function_epilogue): Likewise.
708         (thumb_unexpanded_epilogue): Likewise.
709         * config/arm/arm.h (struct machine_function):
710         New member return_used_this_function.
712 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
714         * doc/install.texi: Correct description of default directory for
715         --with-gxx-include-dir.
717 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
719         * fold-const.c (build_range_check): Properly deal with enumeral and
720         boolean base types.
722 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
724         * doc/invoke.texi (max_gcse_passes): Remove documentation.
725         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
726         * params.h (MAX_GCSE_PASSES): Remove.
727         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
728         in sequence.  Remove ability to run multiple passes.
729         (bypass_jumps): Report run as third CPROP pass.
731 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
733         PR middle-end/39651
734         * except.c (can_throw_external): Look at each insn in a SEQUENCE
735         when deciding whether the whole SEQUENCE can throw.
737 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
739         PR target/39740
740         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
741         offseted label references.
743 2009-04-11  Jan Hubicka  <jh@suse.cz>
745         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
747 2009-04-11  Richard Guenther  <rguenther@suse.de>
749         PR middle-end/39732
750         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
751         return variables as TREE_ADDRESSABLE.
753 2009-04-11  Richard Guenther  <rguenther@suse.de>
755         PR tree-optimization/39713
756         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
757         reference trees have SSA_NAME operands.
759 2009-04-11  Richard Guenther  <rguenther@suse.de>
761         PR c/39712
762         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
763         address expressions.
765 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
767         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
768         match changes in Cygwin 1.7
769         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
770         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
772 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
774         PR tree-optimization/39701
775         * doc/invoke.texi (Optimization Options): Document change in
776         meaning and initialization of -fdelete-null-pointer-checks.
778 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
780         PR middle-end/39701
781         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
783         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
784         here.
786         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
788 2009-04-10  Chao-ying Fu  <fu@mips.com>
790         * doc/tm.texi (Instruction Output): Document
791         TARGET_ASM_FINAL_POSTSCAN_INSN.
792         * target.h (final_postscan_insn): New field in asm_out.
793         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
794         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
795         * final.c (final_scan_insn): Call
796         targetm.asm_out.final_postscan_insn after outputting
797         an asm macro and a normal instruction.
799         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
800         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
801         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
802         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
803         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
805 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
807         PR middle-end/39701
808         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
809         variables as non-NULL even with -fdelete-null-pointer-checks.
811 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
813         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
815 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
817         PR target/39678
818         * config/i386/i386.c (classify_argument): Handle SCmode with
819         (bit_offset % 64) != 0.
821 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
823         * doc/invoke.texi (Optimize Options): Add cross-reference to
824         -Q --help=optimizers examples.
826 2009-04-10  Ben Elliston  <bje@au.ibm.com>
828         PR target/36800
829         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
830         regalign for the reg == fpr and TDmode case.
832 2009-04-09  David Ayers  <ayers@fsfe.org>
834         PR objc/29200
835         * objc/objc-act.c (warn_with_method): Remove helper function.
836         (check_duplicates): Call warning and inform directly.
837         (really_start_method): Likewise.
839 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
841         * expmed.c (expand_divmod): Always use a comparison for a division
842         by a large unsigned integer.
844         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
845         for things others than variables or functions as nonzero.
847 2009-04-09  Nick Clifton  <nickc@redhat.com>
849         * unwind-compat.c: Change copyright header to refer to version
850         3 of the GNU General Public License with version 3.1 of the
851         GCC Runtime Library Exception and to point readers at the
852         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
853         * config/alpha/crtfastmath.c: Likewise.
854         * config/alpha/linux-unwind.h: Likewise.
855         * config/alpha/qrnnd.asm: Likewise.
856         * config/alpha/vms-crt0-64.c: Likewise.
857         * config/alpha/vms-crt0.c: Likewise.
858         * config/alpha/vms-dwarf2.asm: Likewise.
859         * config/alpha/vms-dwarf2eh.asm: Likewise.
860         * config/alpha/vms-psxcrt0-64.c: Likewise.
861         * config/alpha/vms-psxcrt0.c: Likewise.
862         * config/alpha/vms_tramp.asm: Likewise.
863         * config/arc/initfini.c: Likewise.
864         * config/arc/lib1funcs.asm: Likewise.
865         * config/arm/bpabi-v6m.S: Likewise.
866         * config/arm/bpabi.S: Likewise.
867         * config/arm/bpabi.c: Likewise.
868         * config/arm/crti.asm: Likewise.
869         * config/arm/crtn.asm: Likewise.
870         * config/arm/ieee754-df.S: Likewise.
871         * config/arm/ieee754-sf.S: Likewise.
872         * config/arm/lib1funcs.asm: Likewise.
873         * config/arm/libunwind.S: Likewise.
874         * config/arm/linux-atomic.c: Likewise.
875         * config/arm/mmintrin.h: Likewise.
876         * config/arm/pr-support.c: Likewise.
877         * config/arm/unaligned-funcs.c: Likewise.
878         * config/arm/unwind-arm.c: Likewise.
879         * config/arm/unwind-arm.h: Likewise.
880         * config/avr/libgcc.S: Likewise.
881         * config/bfin/crti.s: Likewise.
882         * config/bfin/crtlibid.s: Likewise.
883         * config/bfin/crtn.s: Likewise.
884         * config/bfin/lib1funcs.asm: Likewise.
885         * config/bfin/linux-unwind.h: Likewise.
886         * config/cris/arit.c: Likewise.
887         * config/cris/cris_abi_symbol.c: Likewise.
888         * config/darwin-64.c: Likewise.
889         * config/darwin-crt2.c: Likewise.
890         * config/darwin-crt3.c: Likewise.
891         * config/darwin.h: Likewise.
892         * config/dbxelf.h: Likewise.
893         * config/dfp-bit.c: Likewise.
894         * config/dfp-bit.h: Likewise.
895         * config/elfos.h: Likewise.
896         * config/fixed-bit.c: Likewise.
897         * config/fixed-bit.h: Likewise.
898         * config/fp-bit.c: Likewise.
899         * config/fp-bit.h: Likewise.
900         * config/fr30/crti.asm: Likewise.
901         * config/fr30/crtn.asm: Likewise.
902         * config/fr30/lib1funcs.asm: Likewise.
903         * config/freebsd-spec.h: Likewise.
904         * config/frv/cmovd.c: Likewise.
905         * config/frv/cmovh.c: Likewise.
906         * config/frv/cmovw.c: Likewise.
907         * config/frv/frvbegin.c: Likewise.
908         * config/frv/frvend.c: Likewise.
909         * config/frv/lib1funcs.asm: Likewise.
910         * config/glibc-stdint.h: Likewise.
911         * config/h8300/clzhi2.c: Likewise.
912         * config/h8300/crti.asm: Likewise.
913         * config/h8300/crtn.asm: Likewise.
914         * config/h8300/ctzhi2.c: Likewise.
915         * config/h8300/fixunssfsi.c: Likewise.
916         * config/h8300/lib1funcs.asm: Likewise.
917         * config/h8300/parityhi2.c: Likewise.
918         * config/h8300/popcounthi2.c: Likewise.
919         * config/i386/ammintrin.h: Likewise.
920         * config/i386/att.h: Likewise.
921         * config/i386/avxintrin.h: Likewise.
922         * config/i386/biarch64.h: Likewise.
923         * config/i386/bmmintrin.h: Likewise.
924         * config/i386/cpuid.h: Likewise.
925         * config/i386/cross-stdarg.h: Likewise.
926         * config/i386/crtfastmath.c: Likewise.
927         * config/i386/crtprec.c: Likewise.
928         * config/i386/cygming-crtbegin.c: Likewise.
929         * config/i386/cygming-crtend.c: Likewise.
930         * config/i386/cygwin.asm: Likewise.
931         * config/i386/emmintrin.h: Likewise.
932         * config/i386/gmm_malloc.h: Likewise.
933         * config/i386/gthr-win32.c: Likewise.
934         * config/i386/i386.h: Likewise.
935         * config/i386/immintrin.h: Likewise.
936         * config/i386/linux-unwind.h: Likewise.
937         * config/i386/linux64.h: Likewise.
938         * config/i386/mm3dnow.h: Likewise.
939         * config/i386/mmintrin-common.h: Likewise.
940         * config/i386/mmintrin.h: Likewise.
941         * config/i386/nmmintrin.h: Likewise.
942         * config/i386/pmm_malloc.h: Likewise.
943         * config/i386/pmmintrin.h: Likewise.
944         * config/i386/smmintrin.h: Likewise.
945         * config/i386/sol2-c1.asm: Likewise.
946         * config/i386/sol2-ci.asm: Likewise.
947         * config/i386/sol2-cn.asm: Likewise.
948         * config/i386/sol2-gc1.asm: Likewise.
949         * config/i386/tmmintrin.h: Likewise.
950         * config/i386/unix.h: Likewise.
951         * config/i386/w32-unwind.h: Likewise.
952         * config/i386/wmmintrin.h: Likewise.
953         * config/i386/x86-64.h: Likewise.
954         * config/i386/x86intrin.h: Likewise.
955         * config/i386/xmmintrin.h: Likewise.
956         * config/ia64/crtbegin.asm: Likewise.
957         * config/ia64/crtend.asm: Likewise.
958         * config/ia64/crtfastmath.c: Likewise.
959         * config/ia64/crti.asm: Likewise.
960         * config/ia64/crtn.asm: Likewise.
961         * config/ia64/fde-glibc.c: Likewise.
962         * config/ia64/lib1funcs.asm: Likewise.
963         * config/ia64/linux-unwind.h: Likewise.
964         * config/ia64/quadlib.c: Likewise.
965         * config/ia64/unwind-ia64.c: Likewise.
966         * config/linux.h: Likewise.
967         * config/m32c/m32c-lib1.S: Likewise.
968         * config/m32c/m32c-lib2-trapv.c: Likewise.
969         * config/m32c/m32c-lib2.c: Likewise.
970         * config/m32r/initfini.c: Likewise.
971         * config/m68hc11/larith.asm: Likewise.
972         * config/m68hc11/m68hc11-crt0.S: Likewise.
973         * config/m68k/cf.md: Likewise.
974         * config/m68k/crti.s: Likewise.
975         * config/m68k/crtn.s: Likewise.
976         * config/m68k/lb1sf68.asm: Likewise.
977         * config/m68k/linux-unwind.h: Likewise.
978         * config/mcore/crti.asm: Likewise.
979         * config/mcore/crtn.asm: Likewise.
980         * config/mcore/lib1.asm: Likewise.
981         * config/mips/linux-unwind.h: Likewise.
982         * config/mips/loongson.h: Likewise.
983         * config/mips/mips16.S: Likewise.
984         * config/mmix/crti.asm: Likewise.
985         * config/mmix/crtn.asm: Likewise.
986         * config/pa/fptr.c: Likewise.
987         * config/pa/hpux-unwind.h: Likewise.
988         * config/pa/lib2funcs.asm: Likewise.
989         * config/pa/linux-atomic.c: Likewise.
990         * config/pa/linux-unwind.h: Likewise.
991         * config/pa/milli64.S: Likewise.
992         * config/pa/quadlib.c: Likewise.
993         * config/pa/stublib.c: Likewise.
994         * config/picochip/libgccExtras/adddi3.asm: Likewise.
995         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
996         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
997         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
998         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
999         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
1000         * config/picochip/libgccExtras/divmod15.asm: Likewise.
1001         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
1002         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
1003         * config/picochip/libgccExtras/longjmp.asm: Likewise.
1004         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
1005         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
1006         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
1007         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
1008         * config/picochip/libgccExtras/setjmp.asm: Likewise.
1009         * config/picochip/libgccExtras/subdi3.asm: Likewise.
1010         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
1011         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
1012         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
1013         * config/rs6000/750cl.h: Likewise.
1014         * config/rs6000/altivec.h: Likewise.
1015         * config/rs6000/biarch64.h: Likewise.
1016         * config/rs6000/crtresfpr.asm: Likewise.
1017         * config/rs6000/crtresgpr.asm: Likewise.
1018         * config/rs6000/crtresxfpr.asm: Likewise.
1019         * config/rs6000/crtresxgpr.asm: Likewise.
1020         * config/rs6000/crtsavfpr.asm: Likewise.
1021         * config/rs6000/crtsavgpr.asm: Likewise.
1022         * config/rs6000/darwin-asm.h: Likewise.
1023         * config/rs6000/darwin-fallback.c: Likewise.
1024         * config/rs6000/darwin-fpsave.asm: Likewise.
1025         * config/rs6000/darwin-ldouble.c: Likewise.
1026         * config/rs6000/darwin-tramp.asm: Likewise.
1027         * config/rs6000/darwin-unwind.h: Likewise.
1028         * config/rs6000/darwin-vecsave.asm: Likewise.
1029         * config/rs6000/darwin-world.asm: Likewise.
1030         * config/rs6000/e500crtres32gpr.asm: Likewise.
1031         * config/rs6000/e500crtres64gpr.asm: Likewise.
1032         * config/rs6000/e500crtres64gprctr.asm: Likewise.
1033         * config/rs6000/e500crtrest32gpr.asm: Likewise.
1034         * config/rs6000/e500crtrest64gpr.asm: Likewise.
1035         * config/rs6000/e500crtresx32gpr.asm: Likewise.
1036         * config/rs6000/e500crtresx64gpr.asm: Likewise.
1037         * config/rs6000/e500crtsav32gpr.asm: Likewise.
1038         * config/rs6000/e500crtsav64gpr.asm: Likewise.
1039         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
1040         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
1041         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
1042         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
1043         * config/rs6000/eabi-ci.asm: Likewise.
1044         * config/rs6000/eabi-cn.asm: Likewise.
1045         * config/rs6000/eabi.asm: Likewise.
1046         * config/rs6000/linux-unwind.h: Likewise.
1047         * config/rs6000/linux64.h: Likewise.
1048         * config/rs6000/paired.h: Likewise.
1049         * config/rs6000/paired.md: Likewise.
1050         * config/rs6000/ppc64-fp.c: Likewise.
1051         * config/rs6000/ppu_intrinsics.h: Likewise.
1052         * config/rs6000/rs6000.h: Likewise.
1053         * config/rs6000/si2vmx.h: Likewise.
1054         * config/rs6000/sol-ci.asm: Likewise.
1055         * config/rs6000/sol-cn.asm: Likewise.
1056         * config/rs6000/spe.h: Likewise.
1057         * config/rs6000/spu2vmx.h: Likewise.
1058         * config/rs6000/sysv4.h: Likewise.
1059         * config/rs6000/tramp.asm: Likewise.
1060         * config/rs6000/vec_types.h: Likewise.
1061         * config/s390/linux-unwind.h: Likewise.
1062         * config/s390/tpf-unwind.h: Likewise.
1063         * config/score/crti.asm: Likewise.
1064         * config/score/crtn.asm: Likewise.
1065         * config/sh/crt1.asm: Likewise.
1066         * config/sh/crti.asm: Likewise.
1067         * config/sh/crtn.asm: Likewise.
1068         * config/sh/divtab-sh4-300.c: Likewise.
1069         * config/sh/divtab-sh4.c: Likewise.
1070         * config/sh/divtab.c: Likewise.
1071         * config/sh/lib1funcs-4-300.asm: Likewise.
1072         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
1073         * config/sh/lib1funcs.asm: Likewise.
1074         * config/sh/lib1funcs.h: Likewise.
1075         * config/sh/linux-atomic.asm: Likewise.
1076         * config/sh/linux-unwind.h: Likewise.
1077         * config/sh/shmedia.h: Likewise.
1078         * config/sh/sshmedia.h: Likewise.
1079         * config/sh/ushmedia.h: Likewise.
1080         * config/sparc/crtfastmath.c: Likewise.
1081         * config/sparc/linux-unwind.h: Likewise.
1082         * config/sparc/sol2-c1.asm: Likewise.
1083         * config/sparc/sol2-ci.asm: Likewise.
1084         * config/sparc/sol2-cn.asm: Likewise.
1085         * config/spu/divmodti4.c: Likewise.
1086         * config/spu/divv2df3.c: Likewise.
1087         * config/spu/float_disf.c: Likewise.
1088         * config/spu/float_unsdidf.c: Likewise.
1089         * config/spu/float_unsdisf.c: Likewise.
1090         * config/spu/float_unssidf.c: Likewise.
1091         * config/spu/mfc_multi_tag_release.c: Likewise.
1092         * config/spu/mfc_multi_tag_reserve.c: Likewise.
1093         * config/spu/mfc_tag_release.c: Likewise.
1094         * config/spu/mfc_tag_reserve.c: Likewise.
1095         * config/spu/mfc_tag_table.c: Likewise.
1096         * config/spu/multi3.c: Likewise.
1097         * config/spu/spu_internals.h: Likewise.
1098         * config/spu/spu_intrinsics.h: Likewise.
1099         * config/spu/spu_mfcio.h: Likewise.
1100         * config/spu/vec_types.h: Likewise.
1101         * config/spu/vmx2spu.h: Likewise.
1102         * config/stormy16/stormy16-lib2.c: Likewise.
1103         * config/svr4.h: Likewise.
1104         * config/sync.c: Likewise.
1105         * config/v850/lib1funcs.asm: Likewise.
1106         * config/vxlib-tls.c: Likewise.
1107         * config/vxlib.c: Likewise.
1108         * config/vxworks-dummy.h: Likewise.
1109         * config/xtensa/crti.asm: Likewise.
1110         * config/xtensa/crtn.asm: Likewise.
1111         * config/xtensa/ieee754-df.S: Likewise.
1112         * config/xtensa/ieee754-sf.S: Likewise.
1113         * config/xtensa/lib1funcs.asm: Likewise.
1114         * config/xtensa/lib2funcs.S: Likewise.
1115         * config/xtensa/linux-unwind.h: Likewise.
1116         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1117         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1118         * coretypes.h: Likewise.
1119         * crtstuff.c: Likewise.
1120         * defaults.h: Likewise.
1121         * dwarf2.h: Likewise.
1122         * emutls.c: Likewise.
1123         * gbl-ctors.h: Likewise.
1124         * gcov-io.h: Likewise.
1125         * ginclude/float.h: Likewise.
1126         * ginclude/iso646.h: Likewise.
1127         * ginclude/stdarg.h: Likewise.
1128         * ginclude/stdbool.h: Likewise.
1129         * ginclude/stddef.h: Likewise.
1130         * ginclude/stdfix.h: Likewise.
1131         * ginclude/stdint-gcc.h: Likewise.
1132         * ginclude/tgmath.h: Likewise.
1133         * gthr-aix.h: Likewise.
1134         * gthr-dce.h: Likewise.
1135         * gthr-gnat.c: Likewise.
1136         * gthr-gnat.h: Likewise.
1137         * gthr-lynx.h: Likewise.
1138         * gthr-mipssde.h: Likewise.
1139         * gthr-nks.h: Likewise.
1140         * gthr-posix.c: Likewise.
1141         * gthr-posix.h: Likewise.
1142         * gthr-posix95.h: Likewise.
1143         * gthr-rtems.h: Likewise.
1144         * gthr-single.h: Likewise.
1145         * gthr-solaris.h: Likewise.
1146         * gthr-tpf.h: Likewise.
1147         * gthr-vxworks.h: Likewise.
1148         * gthr-win32.h: Likewise.
1149         * gthr.h: Likewise.
1150         * libgcc2.c: Likewise.
1151         * libgcc2.h: Likewise.
1152         * libgcov.c: Likewise.
1153         * tsystem.h: Likewise.
1154         * typeclass.h: Likewise.
1155         * unwind-c.c: Likewise.
1156         * unwind-compat.h: Likewise.
1157         * unwind-dw2-fde-compat.c: Likewise.
1158         * unwind-dw2-fde-darwin.c: Likewise.
1159         * unwind-dw2-fde-glibc.c: Likewise.
1160         * unwind-dw2-fde.c: Likewise.
1161         * unwind-dw2-fde.h: Likewise.
1162         * unwind-dw2.c: Likewise.
1163         * unwind-dw2.h: Likewise.
1164         * unwind-generic.h: Likewise.
1165         * unwind-pe.h: Likewise.
1166         * unwind-sjlj.c: Likewise.
1167         * unwind.inc: Likewise.
1168         * config/arm/neon-gen.ml: Change generated copyright header to
1169         refer to version 3 of the GNU General Public License with
1170         version 3.1 of the GCC Runtime Library Exception and to point
1171         readers at the COPYING3 and COPYING3.RUNTIME files and the
1172         FSF's license web page.
1173         * config/arm/arm_neon.h: Regenerate.
1175 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
1177         * config/cris/cris.md: Change copyright header to refer to version
1178         3 of the GNU General Public License.
1179         * doc/install.texi2html: Change copyright header to refer to version
1180         3 of the GNU General Public License and to point readers at the
1181         COPYING3 file and the FSF's license web page.
1182         * config/vax/linux.h: Likewise.
1184 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1186         * config/i386/i386.md (cmpcc): New.
1187         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1188         (sync_compare_and_swap_cc*): Delete.
1190         * config/s390/s390.c (s390_compare_emitted): Remove.
1191         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1192         s390_compare_emitted used to be handled.  Assert that modes match.
1193         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1194         refer to sync_compare_and_swap_ccsi.
1195         * config/s390/s390.h (s390_compare_emitted): Remove.
1196         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1197         instead of s390_compare_emitted.
1198         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1199         instead of s390_compare_emitted.
1200         * config/s390/s390.md (cmpcc): New.
1201         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1202         CC_REGNUM, do not pretend it's set.
1203         (sync_compare_and_swap_cc*): Delete.
1204         * config/s390/predicates.md (cc_reg_operand): New.
1206         * expr.c (sync_compare_and_swap_cc): Delete.
1207         * optabs.h (sync_compare_and_swap_cc): Delete.
1208         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1209         is being used with can_compare_p.
1210         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1211         (find_cc_set): New.
1212         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1213         look for a MODE_CC set instead.  Use emit_store_flag.
1214         (expand_compare_and_swap_loop): Likewise, with some additional
1215         complication to avoid a force_reg when useless.  Use
1216         emit_cmp_and_jump_insns.
1217         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1218         * doc/md.texi (sync_compare_and_swap_cc): Merge with
1219         sync_compare_and_swap documentation.
1221 2009-04-09  Jan Hubicka  <jh@suse.cz>
1223         * except.c (find_prev_try): Break out from ....
1224         (duplicate_eh_regions): ... here; properly update prev_try pointers
1225         when duplication part of tree.
1226         (dump_eh_tree): Improve dumping.
1227         (verify_eh_region): New.
1228         (verify_eh_tree): Use it.
1230 2009-04-06  Richard Guenther  <rguenther@suse.de>
1232         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1233         &ARRAY addresses by adjusting their types and prepending
1234         a conversion.
1235         * tree-cfg.c (verify_gimple_assign_single): Verify that
1236         addresses are correct.
1238 2009-04-09  Richard Guenther  <rguenther@suse.de>
1240         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1241         indices into an array reference if possible.
1242         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1243         Fold POINTER_PLUS_EXPR statements with invariant address.
1245 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
1247         PR target/39634
1248         * config.gcc (powerpc64-*-linux*): Always build biarch.
1250 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
1252         PR c/39613
1253         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1254         it and pedwarn if this results in an INTEGER_CST.
1256 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1258         * doc/install.texi: Update minimum GMP version.  Remove obsolete
1259         text in MPFR section.
1261 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1263         * dwarf2out.c (class_scope_p): New static inline.
1264         (class_or_namespace_scope_p): Use it.
1265         (gen_variable_die): Use DW_TAG_member tag for static data member
1266         declarations instead of DW_TAG_variable.
1268         PR middle-end/39573
1269         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1270         variables.
1272 2009-04-08  Richard Guenther  <rguenther@suse.de>
1274         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1275         valueize random data.
1277 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
1279         * config.gcc (aix tm_file):  Add aix-stdint.h.
1280         (aix tm clause use_gcc_stdint):  Set to wrap.
1281         * config/rs6000/aix-stdint.h:  New file.
1282         
1283 2009-04-08  Richard Guenther  <rguenther@suse.de>
1285         PR middle-end/36291
1286         * tree-dfa.c (add_referenced_var): Do not recurse into
1287         global initializers.
1288         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1289         exposed variables.
1290         (fold_const_aggregate_ref): Likewise.
1292 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1294         * recog.c (ordered_comparison_operator): New.
1295         * gensupport.c (std_preds): Add it.
1296         * doc/md.texi (Machine-Independent Predicates): Document it.
1298 2009-04-08  Jan Hubicka  <jh@suse.cz>
1300         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1301         * function.h (rtl_eh): Remove exception_handler_label_map.
1302         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1303         remove_exception_handler_label, for_each_eh_label_1): Remove.
1304         (rtl_remove_unreachable_regions): Remove.
1305         (convert_from_eh_region_ranges): Do not remove unreachable regions.
1306         (find_exception_handler_labels): Don't build the hashtable.
1307         (maybe_remove_eh_handler): Remove.
1308         (for_each_eh_label): Rewrite to walk the tree.
1309         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1310         * except.h (maybe_remove_eh_handler): Remove.
1311         * passes.c (init_optimization_passes): Schedule second EH cleanup
1312         before out-of-ssa.
1313         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1314         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1316 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1318         * genoutput.c (validate_optab_operands): New.
1319         (gen_insn, gen_expand): Call it.
1321         * genflags.c (gen_insn): Detect misused iterators.
1322         (main): Pass line_no to gen_insn, exit with status 1 on error.
1324         * genextract.c (line_no): Make global.
1325         (VEC_safe_set_locstr): Change assertion to error message.
1326         (main): Exit with status 1 on error.
1328 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
1330         PR c/39614
1331         PR c/39673
1332         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1333         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1334         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1335         * c-convert.c (convert): Do not call fold on results of conversion
1336         functions when the result is a C_MAYBE_CONST_EXPR.
1337         * c-parser.c (c_parser_postfix_expression): Do not fold condition
1338         of __builtin_choose_expr.
1339         * c-typeck.c (remove_c_maybe_const_expr): New.
1340         (build_unary_op, build_conditional_expr, build_compound_expr,
1341         build_binary_op, c_objc_common_truthvalue_conversion): Call
1342         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1343         integer operands.
1345 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1347         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
1348         CODE to produce a new one. Add a prototype to use fold_convert_const
1350 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
1352         PR bootstrap/39660
1353         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1354         mix declarations and code.
1356 2009-04-08  Ben Elliston  <bje@au.ibm.com>
1358         * gcc.c: Replace `CC' with `GCC' throughout.
1360 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1362         * doc/invoke.texi: Document Atom support.
1364 2009-04-07  Jason Merrill  <jason@redhat.com>
1366         PR c++/25185
1367         * c-common.h, c-common.c: Add flag_pretty_templates.
1368         * c-opts.c (c_common_handle_option): Set it.
1369         * c.opt: Add -fno-pretty-templates.
1370         * doc/invoke.texi (C++ Dialect Options): Likewise.
1372 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
1374         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1375         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1376         (ia64_expand_builtin): Likewise.
1378 2009-04-07  Martin Jambor  <mjambor@suse.cz>
1380         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1381         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1382         ADDR_EXPRS are include too.
1384 2009-04-07  Richard Guenther  <rguenther@suse.de>
1386         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1387         decls are only used if passes as parameters or if they are
1388         local statics and the call is not to a builtin.
1389         (call_may_clobber_ref_p_1): Likewise.
1391 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1393         * expr.c (do_store_flag): Remove last argument.  Simplify code
1394         to avoid duplication of tests already done by can_compare_p.
1395         (expand_expr_real_1): Adjust caller.
1397 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1399         * optabs.c (can_compare_p): Test the predicate of a
1400         cbranch and cstore pattern.
1402 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1404         * expr.c (convert_move): Use emit_store_flag instead of
1405         "emulating" it.
1407 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1409         * config/i386/i386.c (ix86_compare_emitted): Remove.
1410         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1411         ix86_compare_op0 like ix86_compare_emitted used to be handled.
1412         * config/i386/i386.h (ix86_compare_emitted): Remove.
1413         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1414         instead of ix86_compare_emitted.
1415         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1417 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
1419         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1420         Add t-sysroot-suffix to tmake_file.
1421         * config/print-sysroot-suffix.sh: New file.
1422         * config/t-sysroot-suffix: New file.
1424 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1426         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1427         as the latter produces a warning when the target does not support
1428         infinity.
1430 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1432         * dfp.c: Replace type punning assignments with memcpy throughout.
1433         * Makefile.in (dfp.o-warn): Remove.
1434         
1435 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
1437         PR target/39634
1438         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1439         Include soft-fp/t-softfp after rs6000/t-linux64.
1441 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1443         * stor-layout.c (set_sizetype): Use the full precision of their
1444         machine mode for bitsize types.
1446 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
1448         * config/i386/i386.md: Revert 2 accidental checkins.
1450 2009-04-06  Joey Ye  <joey.ye@intel.com>
1451             Xuepeng Guo <xuepeng.guo@intel.com>
1452             H.J. Lu  <hongjiu.lu@intel.com>
1454         Atom pipeline model, tuning and insn selection.
1455         * config.gcc (atom): Add atom config options and target.
1457         * config/i386/atom.md: New.
1459         * config/i386/i386.c (atom_cost): New cost.
1460         (m_ATOM): New macro flag.
1461         (initial_ix86_tune_features): Set m_ATOM.
1462         (x86_accumulate_outgoing_args): Likewise.
1463         (x86_arch_always_fancy_math_387): Likewise.
1464         (processor_target): Add Atom cost.
1465         (cpu_names): Add Atom cpu name.
1466         (override_options): Set Atom ISA.
1467         (ix86_issue_rate): New case PROCESSOR_ATOM.
1468         (ix86_adjust_cost): Likewise.
1470         * config/i386/i386.h (TARGET_ATOM): New target macro.
1471         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1472         (TARGET_OPT_AGU): New target option.
1473         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1474         (processor_type): Add PROCESSOR_ATOM.
1476         * config/i386/i386.md (cpu): Add new value "atom".
1477         (use_carry, movu): New attr.
1478         (atom.md): Include atom.md.
1479         (adddi3_carry_rex64): Set attr "use_carry".
1480         (addqi3_carry): Likewise.
1481         (addhi3_carry): Likewise.
1482         (addsi3_carry): Likewise.
1483         (*addsi3_carry_zext): Likewise.
1484         (subdi3_carry_rex64): Likewise.
1485         (subqi3_carry): Likewise.
1486         (subhi3_carry): Likewise.
1487         (subsi3_carry): Likewise.
1488         (x86_movdicc_0_m1_rex64): Likewise.
1489         (*x86_movdicc_0_m1_se): Likewise.
1490         (x86_movsicc_0_m1): Likewise.
1491         (*x86_movsicc_0_m1_se): Likewise.
1492         (*adddi_1_rex64): Emit add insn as much as possible.
1493         (*addsi_1): Likewise.
1494         (return_internal): Set atom_unit.
1495         (return_internal_long): Likewise.
1496         (return_pop_internal): Likewise.
1497         (*rcpsf2_sse): Set atom_sse_attr attr.
1498         (*qrt<mode>2_sse): Likewise.
1499         (*prefetch_sse): Likewise.
1501         * config/i386/i386-c.c (ix86_target_macros_internal): New case
1502         PROCESSOR_ATOM.
1503         (ix86_target_macros_internal): Likewise.
1505         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1506         (*prefetch_sse_rex): Likewise.
1507         (sse_rcpv4sf2): Likewise.
1508         (sse_vmrcpv4sf2): Likewise.
1509         (sse_sqrtv4sf2): Likewise.
1510         (<sse>_vmsqrt<mode>2): Likewise.
1511         (sse_ldmxcsr): Likewise.
1512         (sse_stmxcsr): Likewise.
1513         (*sse_sfence): Likewise.
1514         (sse2_clflush): Likewise.
1515         (*sse2_mfence): Likewise.
1516         (*sse2_lfence): Likewise.
1517         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1518         (<sse>_movup<ssemodesuffixf2c>): Likewise.
1519         (avx_movdqu<avxmodesuffix>): Likewise.
1520         (avx_lddqu<avxmodesuffix>): Likewise.
1521         (sse2_movntv2di): Change attr "type" to "ssemov".
1522         (sse2_movntsi): Likewise.
1523         (rsqrtv8sf2): Change attr "type" to "sseadd".
1524         (sse3_addsubv2df3): Set attr "atom_unit".
1525         (sse3_h<plusminus_insn>v4sf3): Likewise.
1526         (*sse2_pmaddwd): Likewise.
1527         (*vec_extractv2di_1_rex64): Likewise.
1528         (*vec_extractv2di_1_avx): Likewise.
1529         (sse2_psadbw): Likewise.
1530         (ssse3_phaddwv8hi3): Likewise.
1531         (ssse3_phaddwv4hi3): Likewise.
1532         (ssse3_phadddv4si3): Likewise.
1533         (ssse3_phadddv2si3): Likewise.
1534         (ssse3_phaddswv8hi3): Likewise.
1535         (ssse3_phaddswv4hi3): Likewise.
1536         (ssse3_phsubwv8hi3): Likewise.
1537         (ssse3_phsubwv4hi3): Likewise.
1538         (ssse3_phsubdv4si3): Likewise.
1539         (ssse3_phsubdv2si3): Likewise.
1540         (ssse3_phsubswv8hi3): Likewise.
1541         (ssse3_phsubswv4hi3): Likewise.
1542         (ssse3_pmaddubsw128): Likewise.
1543         (sse3_pmaddubsw: Likewise.
1544         (ssse3_palignrti): Likewise.
1545         (ssse3_palignrdi): Likewise.
1547 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1549         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1551 2009-04-06  Richard Guenther  <rguenther@suse.de>
1553         PR tree-optimization/28868
1554         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1555         of which PHI results we inserted.
1556         (insert_into_preds_of_block): Record inserted PHIs.
1557         (eliminate): Eliminate redundant PHI nodes.
1558         (init_pre): Init inserted_phi_names.
1560 2009-04-06  Richard Guenther  <rguenther@suse.de>
1562         PR tree-optimization/39643
1563         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1564         IMAGPART_EXPRs of complex constants.
1565         (execute_fold_all_builtins): If we folded a call queue
1566         TODO_update_address_taken.
1568 2009-04-06  Jan Hubicka  <jh@suse.cz>
1570         PR middle-end/39659
1571         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1572         flag.
1574 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1576         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1577         delay slot.
1578         (ic_invalidate_array): Likewise.
1580 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1582         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1583         alignment for library calls.
1585 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1587         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1588         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1589         * config/i386/mingw-stdint.h:  New file.
1591 2009-04-05  Richard Guenther  <rguenther@suse.de>
1593         PR tree-optimization/39648
1594         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1595         our &A vs. &A[0] IL deficiencies.
1597 2009-04-04  Jan Hubicka  <jh@suse.cz>
1599         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1600         removed toplevel regions.
1601         (sjlj_mark_call_sites): Likewise.
1603 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1605         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1606         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1607         * config/i386/cygwin-stdint.h:  New file.
1609 2009-04-04  Richard Guenther  <rguenther@suse.de>
1611         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1612         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1613         single-argument PHIs if we are in loop-closed SSA form.
1614         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1615         for the pre-condition.
1616         (slpeel_tree_peel_loop_to_edge): Likewise.
1617         (vect_build_loop_niters): Take an optional sequence to append stmts.
1618         (vect_generate_tmps_on_preheader): Likewise.
1619         (vect_do_peeling_for_loop_bound): Take extra guards for the
1620         pre-condition.
1621         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1622         the cost model check.
1623         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1624         guards if we are going to peel.  Do not apply versioning in that case.
1625         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1626         (vect_do_peeling_for_loop_bound): Likewise.
1627         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1628         loop bound only record extra pre-conditions, do not apply loop
1629         versioning.
1631 2009-04-04  Richard Guenther  <rguenther@suse.de>
1633         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1634         renaming code.
1636 2009-04-04  Jan Hubicka  <jh@suse.cz>
1638         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1639         last_basic_block for size of bb->index indexed array.
1640         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1641         compute_out, link_btr_uses, build_btr_def_use_webs,
1642         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1644 2009-04-04  Jan Hubicka  <jh@suse.cz>
1646         * except.c (remove_eh_handler_and_replace): Break out from ...
1647         (remove_eh_handler): ... here.
1648         (bring_to_root): New function.
1649         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1650         handled ones, bring others to root of tree.
1652 2009-04-04  Jan Hubicka  <jh@suse.cz>
1654         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1655         (all_phis_safe_to_merge): New function.
1656         (update_info): New structure.
1657         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1658         (cleanup_empty_eh): Update SSA if possible.
1660 2009-04-04  Richard Guenther  <rguenther@suse.de>
1662         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1663         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1664         (append_vuse): Likewise.
1666 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1668         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1669         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1670         instead of REG_UNSAVED for DW_CFA_undefined.
1671         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1672         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1673         outermost frame.
1675 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1677         PR target/39501
1678         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1679         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1680         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1682 2009-04-04  Richard Guenther  <rguenther@suse.de>
1684         PR tree-optimization/8781
1685         PR tree-optimization/37892
1686         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1687         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1688         (valueize_refs): Call it for *& valueizations.
1689         (shared_reference_ops_from_ref): Rename to ...
1690         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1691         (shared_reference_ops_from_call): Rename to ...
1692         (valueize_shared_reference_ops_from_call): ... this and valueize.
1693         (vn_reference_lookup): Update.
1694         (visit_reference_op_call): Likewise.
1695         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1696         (eliminate): Value-replace the call address in call statements.
1698 2009-04-04  Richard Guenther  <rguenther@suse.de>
1700         PR tree-optimization/39636
1701         * tree-ssa-forwprop.c
1702         (forward_propagate_addr_into_variable_array_index): Check for
1703         GIMPLE_ASSIGN before accessing the rhs code.
1705 2009-04-03  Jason Merrill  <jason@redhat.com>
1707         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1709 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1711         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1712         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1713         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1714         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1715         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1716         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1717         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1718         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1719         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1720         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1721         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1722         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1723         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1724         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1725         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1726         Use fr_reg_or_fp01_operand instead of fr_register_operand
1728         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1729         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1730         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1732 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1734         PR rtl-optimization/39607
1735         PR rtl-optimization/39631
1737         Revert:
1738         
1739         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1740         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1741         instead of DF_LR_OUT.
1742         * ira-lives.c (process_bb_node_lives): Ditto.
1743         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1744         instead of DF_LR_{OUT,IN}.
1745         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1746         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1748 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1750         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1751         (execute_lower_omp): Always run but take the short way out if -fopenmp
1752         is not given.
1753         (gate_lower_omp): Remove, forcing the pass manager to always run the
1754         pass and always set PROP_gimple_lomp.
1755         (pass_lower_omp): Remove gate function.
1756         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1757         PROP_trees.  Instead, require it.
1758         * ipa-cp.c (pass_ipa_cp): Likewise.
1759         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1760         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1761         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1762         and PROP_gimple_leh.
1764 2009-04-03  Richard Guenther  <rguenther@suse.de>
1766         PR middle-end/13146
1767         PR tree-optimization/23940
1768         PR tree-optimization/33237
1769         PR middle-end/33974
1770         PR middle-end/34093
1771         PR tree-optimization/36201
1772         PR tree-optimization/36230
1773         PR tree-optimization/38049
1774         PR tree-optimization/38207
1775         PR tree-optimization/38230
1776         PR tree-optimization/38301
1777         PR tree-optimization/38585
1778         PR middle-end/38895
1779         PR tree-optimization/38985
1780         PR tree-optimization/39299
1781         * tree-ssa-structalias.h: Remove.
1782         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1783         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1784         (struct vuse_element_d): Remove.
1785         (struct vuse_vec_d): Likewise.
1786         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1787         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1788         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1789         VUSE_ELEMENT_VAR): Likewise.
1790         (struct voptype_d): Likewise.
1791         (NUM_VOP_FREE_BUCKETS): Likewise.
1792         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1793         (struct stmt_operands_d): Remove.
1794         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1795         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1796         VDEF_NUM, VDEF_VECT): Likewise.
1797         (copy_virtual_operands): Remove.
1798         (operand_build_cmp): Likewise.
1799         (create_ssa_artificial_load_stmt): Likewise.
1800         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1801         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1802         vuse_index and mayuse_index members.  Pack and move done and iter_type
1803         members to the front.
1804         (SSA_OP_VMAYUSE): Remove.
1805         (SSA_OP_VIRTUAL_USES): Adjust.
1806         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1807         (unlink_stmt_vdef): Declare.
1808         (add_to_addressable_set): Remove.
1809         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1810         (vrp_visit_stmt): Likewise.
1811         * doc/tree-ssa.texi (Alias analysis): Update.
1812         * doc/invoke.texi (max-aliased-vops): Remove docs.
1813         (avg-aliased-vops): Likewise.
1814         * tree-into-ssa.c (syms_to_rename): Remove.
1815         (need_to_update_vops_p): Likewise.
1816         (need_to_initialize_update_ssa_p): Rename to ...
1817         (update_ssa_initialized_fn): ... this.  Track function we are
1818         initialized for.
1819         (symbol_marked_for_renaming): Simplify.
1820         (add_new_name_mapping): Do not set need_to_update_vops_p.
1821         (dump_currdefs): Use SYMS_TO_RENAME.
1822         (rewrite_update_stmt): Always walk all uses/defs.
1823         (dump_update_ssa): Adjust.
1824         (init_update_ssa): Take function argument.  Track what we are
1825         initialized for.
1826         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1827         (create_new_def_for): Initialize for cfun, assert we are initialized
1828         for cfun.
1829         (mark_sym_for_renaming): Simplify.
1830         (mark_set_for_renaming): Do not initialize update-ssa.
1831         (need_ssa_update_p): Simplify.  Take function argument.
1832         (name_mappings_registered_p): Assert we ask for the correct function.
1833         (name_registered_for_update_p): Likewise.
1834         (ssa_names_to_replace): Likewise.
1835         (release_ssa_name_after_update_ssa): Likewise.
1836         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
1837         (dump_decl_set): Do not print a newline.
1838         (debug_decl_set): Do it here.
1839         (dump_update_ssa): And here.
1840         * tree-ssa-loop-im.c (move_computations): Adjust.
1841         (movement_possibility): Likewise.
1842         (determine_max_movement): Likewise.
1843         (gather_mem_refs_stmt): Likewise.
1844         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1845         or NAME_MEMORY_TAG.
1846         * tree-complex.c (update_all_vops): Remove.
1847         (expand_complex_move): Adjust.
1848         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1849         Simplify test for memory referencing statement.  Exclude
1850         non-invariant ADDR_EXPRs.
1851         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1852         * tree-loop-distribution.c (generate_memset_zero): Adjust.
1853         (rdg_flag_uses): Likewise.
1854         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1855         related code.
1856         (tree_optimize_tail_calls_1): Also split the
1857         edge from the entry block if we have degenerate PHI nodes in
1858         the first basic block.
1859         * tree.c (init_ttree): Remove memory-tag related code.
1860         (tree_code_size): Likewise.
1861         (tree_node_structure): Likewise.
1862         (build7_stat): Re-write to be build6_stat.
1863         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1864         (SSA_VAR_P): Adjust.
1865         (struct tree_memory_tag): Remove.
1866         (struct tree_memory_partition_tag): Likewise.
1867         (union tree_node): Adjust.
1868         (build7): Re-write to be build6.
1869         * tree-pass.h (pass_reset_cc_flags): Remove.
1870         (TODO_update_address_taken): New flag.
1871         (pass_simple_dse): Remove.
1872         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1873         * params.h (MAX_ALIASED_VOPS): Remove.
1874         (AVG_ALIASED_VOPS): Likewise.
1875         * omp-low.c (expand_omp_taskreg): Update SSA form.
1876         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1877         aliases the lhs in a copy stmt.
1878         * tree-ssa-dse.c (struct address_walk_data): Remove.
1879         (memory_ssa_name_same): Likewise.
1880         (memory_address_same): Likewise.
1881         (get_kill_of_stmt_lhs): Likewise.
1882         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
1883         unused stores.  Look through PHI nodes into post-dominated regions.
1884         (dse_optimize_stmt): Simplify.  Properly remove stores.
1885         (tree_ssa_dse): Compute dominators.
1886         (execute_simple_dse): Remove.
1887         (pass_simple_dse): Likewise.
1888         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1889         gimple_loaded_syms and gimple_stored_syms computation.
1890         * toplev.c (dump_memory_report): Dump alias and pta stats.
1891         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1892         (vn_reference_eq): Likewise.
1893         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1894         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1895         valueize_vuses): Remove.
1896         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
1897         (get_def_ref_stmt_vuse): ... this.
1898         (vn_reference_lookup_2): New function.
1899         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1900         walking equivalent vuses.  Simplify.
1901         (vn_reference_lookup): Likewise.
1902         (vn_reference_insert): Likewise.
1903         (vn_reference_insert_pieces): Likewise.
1904         (visit_reference_op_call): Simplify.
1905         (visit_reference_op_load): Likewise.
1906         (visit_reference_op_store): Likewise.
1907         (init_scc_vn): Remove shared_lookup_vuses initialization.
1908         (free_scc_vn): Remove shared_lookup_vuses freeing.
1909         (sort_vuses, sort_vuses_heap): Remove.
1910         (get_ref_from_reference_ops): Export.
1911         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1912         vector with single vuse pointer.
1913         (vn_reference_lookup_pieces, vn_reference_lookup,
1914         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1915         (shared_vuses_from_stmt): Remove.
1916         (get_ref_from_reference_ops): Declare.
1917         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1918         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1919         memory-tag related code.
1920         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1921         (likely_value): Add comment, skip static-chain of call statements.
1922         (surely_varying_stmt_p): Adjust.
1923         (gimplify_and_update_call_from_tree): Likewise.
1924         (execute_fold_all_builtins): Do not rebuild alias info.
1925         (gimplify_and_update_call_from_tree): Properly update VOPs.
1926         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1927         (copy_ref_info): Remove memory-tag related code.
1928         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1929         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1930         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1931         computation.
1932         * tree-ssa-dom.c (gimple_p): Remove typedef.
1933         (eliminate_redundant_computations): Adjust.
1934         (record_equivalences_from_stmt): Likewise.
1935         (avail_expr_hash): Likewise.
1936         (avail_expr_eq): Likewise.
1937         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1938         (stmt_makes_single_load): Likewise.
1939         (stmt_makes_single_store): Likewise.
1940         * tree-ssa-alias.c: Rewrite completely.
1941         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1942         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1943         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1944         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1945         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1946         Remove public functions.
1947         (pass_reset_cc_flags): Remove.
1948         (pass_build_alias): Move ...
1949         * tree-ssa-structalias.c (pass_build_alias): ... here.
1950         * tree-ssa-alias.c (may_be_aliased): Move ...
1951         * tree-flow-inline.h (may_be_aliased): ... here.
1952         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1953         count_uses_and_derefs): Move ...
1954         * gimple.c: ... here.
1955         * gimple.h (count_uses_and_derefs): Declare.
1956         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1957         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1958         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1959         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1960         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1961         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1962         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1963         New functions.
1964         * tree-dfa.c (refs_may_alias_p): Move ...
1965         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
1966         * tree-ssa-alias.h: New file.
1967         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1968         (statement_sink_location): Likewise.
1969         * opts.c (decode_options): Do not adjust max-aliased-vops or
1970         avg-aliased-vops values.
1971         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1972         (TV_CALL_CLOBBER): Likewise.
1973         (TV_FLOW_SENSITIVE): Likewise.
1974         (TV_FLOW_INSENSITIVE): Likewise.
1975         (TV_MEMORY_PARTITIONING): Likewise.
1976         (TV_ALIAS_STMT_WALK): New timevar.
1977         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1978         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1979         (get_address_description): Remove memory-tag related code.
1980         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1981         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1982         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1983         and immediate uses in statements.  Document.
1984         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1985         (dump_symbols): Remove.
1986         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1987         * alias.c (get_deref_alias_set): New function split out from ...
1988         (get_alias_set): ... here.
1989         * alias.h (get_deref_alias_set): Declare.
1990         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1991         type parameter.  Remove restrict pointer handling.  Create a
1992         ref-all pointer in case type-based alias sets do not conflict.
1993         (vect_analyze_data_refs): Remove SMT related code.
1994         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1995         (vectorizable_load): Likewise.
1996         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1997         (DR_SYMBOL_TAG, DR_VOPS): Remove.
1998         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1999         Ignore vops and SMTs.
2000         (dr_analyze_alias): Likewise..
2001         (free_data_ref): Likewise.
2002         (create_data_ref): Likewise.
2003         (analyze_all_data_dependences): Likewise.
2004         (get_references_in_stmt): Adjust.
2005         * tree-flow-inline.h (gimple_aliases_computed_p,
2006         gimple_addressable_vars, gimple_call_clobbered_vars,
2007         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
2008         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
2009         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
2010         gimple_mem_ref_stats): Remove.
2011         (gimple_vop): New function.
2012         (op_iter_next_use): Remove vuses and mayuses cases.
2013         (op_iter_next_def): Remove vdefs case.
2014         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
2015         (clear_and_done_ssa_iter): Do not set removed fields.
2016         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
2017         Assert we are not iterating over vuses or vdefs if not also
2018         iterating over uses or defs.
2019         (op_iter_init_use): Likewise.
2020         (op_iter_init_def): Likewise.
2021         (op_iter_next_vdef): Remove.
2022         (op_iter_next_mustdef): Likewise.
2023         (op_iter_init_vdef): Likewise.
2024         (compare_ssa_operands_equal): Likewise.
2025         (link_use_stmts_after): Handle vuse operand.
2026         (is_call_used): Use is_call_clobbered.
2027         (is_call_clobbered): Global variables are always call clobbered,
2028         query the call-clobbers bitmap.
2029         (mark_call_clobbered): Ignore global variables.
2030         (clear_call_clobbered): Likewise.
2031         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
2032         virtual operands sanity check.
2033         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
2034         Remove.
2035         (TARGET_MEM_REF): Remove TMR_TAG operand.
2036         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
2037         Remove call-clobber related code.
2038         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
2039         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
2040         partitions or escape reason.
2041         (get_single_def_stmt, get_single_def_stmt_from_phi,
2042         get_single_def_stmt_with_phi): Remove.
2043         (dump_referenced_vars): Tidy.
2044         (get_ref_base_and_extent): Allow bare decls.
2045         (collect_dfa_stats): Adjust.
2046         * graphite.c (rename_variables_in_stmt): Adjust.
2047         (graphite_copy_stmts_from_block): Likewise.
2048         (translate_clast): Likewise.
2049         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
2050         (EXPR_DIES): New.
2051         (translate_vuse_through_block): Use the oracle.
2052         (phi_translate_1): Adjust.
2053         (value_dies_in_block_x): Use the oracle.  Cache the outcome
2054         in EXPR_DIES.
2055         (valid_in_sets): Check if the VUSE for
2056         a REFERENCE is available.
2057         (eliminate): Do not remove stmts during elimination,
2058         instead queue and remove them afterwards.
2059         (do_pre): Do not rebuild alias info.
2060         (pass_pre): Run TODO_rebuild_alias before PRE.
2061         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
2062         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
2063         (mark_all_v_defs_stmt): Remove.
2064         (mark_all_v_defs_seq): Adjust.
2065         (sra_replace): Likewise.
2066         (scalarize_use): Likewise.
2067         (scalarize_copy): Likewise.
2068         (scalarize_init): Likewise.
2069         (scalarize_ldst): Likewise.
2070         (todoflags): Remove.
2071         (tree_sra): Do not rebuild alias info.
2072         (tree_sra_early): Adjust.
2073         (pass_sra): Run TODO_update_address_taken before SRA.
2074         * tree-predcom.c (set_alias_info): Remove.
2075         (prepare_initializers_chain): Do not call it.
2076         (mark_virtual_ops_for_renaming): Adjust.
2077         (mark_virtual_ops_for_renaming_list): Remove.
2078         (initialize_root_vars): Adjust.
2079         (initialize_root_vars_lm): Likewise.
2080         (prepare_initializers_chain): Likewise.
2081         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
2082         (may_propagate_copy_into_stmt): Likewise.
2083         (merge_alias_info): Do nothing for now.
2084         (propagate_tree_value_into_stmt): Adjust.
2085         (stmt_may_generate_copy): Likewise.
2086         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
2087         not mark symbols for renaming.
2088         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
2089         with the same statement, make sure to update the new pointed-to one.
2090         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
2091         call statements, do not mark symbols for renaming.
2092         (mark_operand_necessary): Dump something.
2093         (ref_may_be_aliased): New function.
2094         (mark_aliased_reaching_defs_necessary_1): New helper function.
2095         (mark_aliased_reaching_defs_necessary): Likewise.
2096         (mark_all_reaching_defs_necessary_1): Likewise.
2097         (mark_all_reaching_defs_necessary): Likewise.
2098         (propagate_necessity): Do not process virtual PHIs.  For
2099         non-aliased loads mark all reaching definitions as necessary.
2100         For aliased loads and stores mark the immediate dominating
2101         aliased clobbers as necessary.
2102         (visited): New global static.
2103         (perform_tree_ssa_dce): Free visited bitmap after propagating
2104         necessity.
2105         (remove_dead_phis): Perform simple dead virtual PHI removal.
2106         (remove_dead_stmt): Properly unlink virtual operands when
2107         removing stores.
2108         (eliminate_unnecessary_stmts): Schedule PHI removal after
2109         stmt removal.
2110         * tree-ssa-ter.c (is_replaceable_p): Adjust.
2111         (process_replaceable): Likewise.
2112         (find_replaceable_in_bb): Likewise.
2113         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2114         based on the single gimple vop.
2115         (verify_flow_insensitive_alias_info): Remove.
2116         (verify_flow_sensitive_alias_info): Likewise.
2117         (verify_call_clobbering): Likewise.
2118         (verify_memory_partitions): Likewise.
2119         (verify_alias_info): Likewise.
2120         (verify_ssa): Adjust..
2121         (execute_update_addresses_taken): Export.  Update SSA
2122         manually.  Optimize only when optimizing.  Use a local bitmap.
2123         (pass_update_address_taken): Remove TODO_update_ssa, add
2124         TODO_dump_func.
2125         (pass_update_address_taken): Just use TODO_update_address_taken.
2126         (init_tree_ssa): Do not initialize addressable_vars.
2127         (verify_ssa): Verify new VUSE / VDEF properties.
2128         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2129         Do not call verify_alias_info.
2130         (delete_tree_ssa): Clear the VUSE, VDEF operands.
2131         Do not free the loaded and stored syms bitmaps.  Reset the escaped
2132         and callused solutions.  Do not free addressable_vars.
2133         Remove memory-tag related code.
2134         (warn_uninitialized_var): Aliases are always available.
2135         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2136         * lambda-code.c (can_put_in_inner_loop): Adjust.
2137         (can_put_after_inner_loop): Likewise.
2138         (perfect_nestify): Likewise.
2139         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2140         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2141         (vectorizable_conversion): Do not mark symbols for renaming.
2142         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2143         (expand_call_inline): Unlink the calls virtual operands before
2144         replacing it.
2145         (tree_function_versioning): Do not call update_ssa if we are not
2146         updating clones.  Simplify.
2147         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2148         (propagate_with_phi): Likewise..
2149         * tree-outof-ssa.c (create_temp): Remove memory tag and call
2150         clobber code.  Assert we are not aliased or global.
2151         * tree-flow.h: Include tree-ssa-alias.h
2152         (enum escape_type): Remove.
2153         (struct mem_sym_stats_d): Likewise.
2154         (struct mem_ref_stats_d): Likewise.
2155         (struct gimple_df): Add vop member.  Remove global_var,
2156         call_clobbered_vars, call_used_vars, addressable_vars,
2157         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
2158         escaped and callused members.
2159         (struct ptr_info_def): Remove all members, add points-to solution
2160         member pt.
2161         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2162         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2163         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2164         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2165         (tree-ssa-alias.o): Likewise.
2166         (toplev.o): Add tree-ssa-alias.h
2167         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2168         * gimple.c (gimple_set_bb): Fix off-by-one error.
2169         (is_gimple_reg): Do not handle memory tags.
2170         (gimple_copy): Also copy virtual operands.
2171         Delay updating the statement.  Do not reset loaded and stored syms.
2172         (gimple_set_stored_syms): Remove.
2173         (gimple_set_loaded_syms): Likewise.
2174         (gimple_call_copy_skip_args): Copy the virtual operands
2175         and mark the new statement modified.
2176         * tree-ssa-structalias.c (may_alias_p): Remove.
2177         (set_uids_in_ptset): Take the alias set to prune with as
2178         parameter.  Fold in the alias test of may_alias_p.
2179         (compute_points_to_sets): Compute whether a ptr is dereferenced
2180         in a local sbitmap.
2181         (process_constraint): Deal with &ANYTHING on the lhs, reject all
2182         other ADDRESSOF constraints on the lhs.
2183         (get_constraint_for_component_ref): Assert that we don't get
2184         ADDRESSOF constraints from the base of the reference.
2185         Properly generate UNKNOWN_OFFSET for DEREF if needed.
2186         (struct variable_info): Remove collapsed_to member.
2187         (get_varinfo_fc): Remove.
2188         (new_var_info): Do not set collapsed_to.
2189         (dump_constraint): Do not follow cycles.
2190         (dump_constraint_graph): Likewise.
2191         (build_pred_graph): Likewise.
2192         (build_succ_graph): Likewise.
2193         (rewrite_constraints): Likewise.
2194         (do_simple_structure_copy): Remove.
2195         (do_rhs_deref_structure_copy): Remove.
2196         (do_lhs_deref_structure_copy): Remove.
2197         (collapse_rest_of_var): Remove.
2198         (do_structure_copy): Re-implement.
2199         (pta_stats): New global variable.
2200         (dump_pta_stats): New function.
2201         (struct constraint_expr): Make offset signed.
2202         (UNKNOWN_OFFSET): Define special value.
2203         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2204         (solution_set_expand): New helper function split out from ...
2205         (do_sd_constraint): ... here.
2206         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
2207         (do_ds_constraint): Likewise.
2208         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
2209         and CALLUSED = *CALLUSED.
2210         (set_union_with_increment): Make inc argument signed.
2211         (type_safe): Remove.
2212         (get_constraint_for_ptr_offset): Handle unknown and negative
2213         constant offsets.
2214         (first_vi_for_offset): Handle offsets before start.  Bail
2215         out early for offsets beyond the variable extent.
2216         (first_or_preceding_vi_for_offset): New function.
2217         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2218         Together with ESCAPED = *ESCAPED this properly computes reachability.
2219         (find_what_var_points_to): New function.
2220         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2221         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2222         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2223         pt_solutions_intersect): New functions.
2224         (compute_call_used_vars): Remove.
2225         (compute_may_aliases): New main entry into PTA computation.
2226         * gimple.h (gimple_p): New typedef.
2227         (struct gimple_statement_base): Remove references_memory_p.
2228         (struct gimple_statement_with_memory_ops_base): Remove
2229         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
2230         members.
2231         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2232         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2233         gimple_set_references_memory): Remove.
2234         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2235         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2236         New functions.
2237         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2238         (verify_expr): Allow RESULT_DECL.
2239         (gimple_duplicate_bb): Do not copy virtual operands.
2240         (gimple_duplicate_sese_region): Adjust.
2241         (gimple_duplicate_sese_tail): Likewise.
2242         (mark_virtual_ops_in_region): Remove.
2243         (move_sese_region_to_fn): Do not call it.
2244         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2245         and pass_simple_dse.
2246         (execute_function_todo): Handle TODO_update_address_taken,
2247         call execute_update_addresses_taken for TODO_rebuild_alias.
2248         (execute_todo): Adjust.
2249         (execute_one_pass): Init dump files early.
2250         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2251         call-clobbered.
2252         (create_general_new_stmt): Clear vops.
2253         * tree-ssa-reassoc.c (get_rank): Adjust.
2254         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2255         symbols for renaming.
2256         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2257         (PARAM_AVG_ALIASED_VOPS): Likewise.
2258         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2259         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2260         * tree-ssa-operands.c: Simplify for new virtual operand representation.
2261         (operand_build_cmp, copy_virtual_operands,
2262         create_ssa_artificial_load_stmt, add_to_addressable_set,
2263         gimple_add_to_addresses_taken): Remove public functions.
2264         (unlink_stmt_vdef): New function.
2266 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2268         * config.gcc (powerpc-*-linux*): Merge variants.
2270 2009-04-02  Chao-ying Fu  <fu@mips.com>
2271             James Grosbach <james.grosbach@microchip.com>
2273         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2274         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2275         cop0_sp_offset.
2276         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2277         keep_interrupts_masked_p, use_debug_exception_return_p.
2278         (mips_attribute_table): Add interrupt, use_shadow_register_set,
2279         keep_interrupts_masked, use_debug_exception_return.
2280         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2281         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2282         New functions.
2283         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2284         (mips_print_operand): Process COP0 registers to print $0 .. $31
2285         correctly for GAS to process.
2286         (mips_interrupt_extra_call_saved_reg_p): New function.
2287         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2288         extra registers.
2289         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2290         (mips_compute_frame_info): Add supports for interrupt context that
2291         includes doubleword accumulators and COP0 registers.
2292         (mips_for_each_saved_acc): New function.
2293         (mips_for_each_saved_gpr_and_fpr): Change the function name from
2294         mips_for_each_saved_reg.
2295         (mips_save_reg): Save accumulators.
2296         (mips_kernel_reg_p): A new for_each_rtx callback.
2297         (mips_expand_prologue): Support interrupt handlers.
2298         (mips_restore_reg): Restore accumulators.
2299         (mips_expand_epilogue): Support interrupt handlers.
2300         (mips_can_use_return_insn): Return false for interrupt handlers.
2301         (mips_epilogue_uses): New function.
2302         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2303         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2304         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2305         cop0_move): New instructions.
2306         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2307         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2308         defines.
2309         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2310         New defines.
2311         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2312         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2313         interrupt handlers, we use K0 as the temporary register.
2314         (EPILOGUE_USES): Change to a function call.
2315         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2316         handlers, we use K0 as the temporary register.
2317         
2318         * doc/extend.texi (Function Attributes): Document interrupt,
2319         use_shadow_register_set, keep_interrupts_masked,
2320         use_debug_exception_return for MIPS attributes.
2322 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2324         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2325         Remove a number of t-files from tmake_file.
2326         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2327         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2328         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2329         target_prototype, not TARGET_PROTOTYPE.
2330         (LINK_OS_GNU_SPEC): Define.
2331         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2332         and darwin-ldoubdle.c.
2334 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2336         PR driver/39293
2337         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2338         (cpp_options): Ditto.
2339         (default_compilers): Ditto.
2340         (display_help): Ditto.
2341         (process_command): Ditto.
2342         (do_spec_1): Ditto.
2343         (set_input): Use lbasename instead of duplicate code.
2344         (save_temps_prefix): New static for -save-temps=obj.
2345         (save_temps_length): Ditto.
2346         
2347         * doc/invoke.texi (-save-temps=obj): Document new variant to
2348         -save-temps switch.
2350 2009-04-02  Jeff Law  <law@redhat.com>
2352         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2353         variable.
2355 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2357         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2358         * configure: Regenerated.
2360 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2362         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2363         share the argument list.
2365 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2367         Merge
2369         2009-02-12  Diego Novillo  <dnovillo@google.com>
2371         * varpool.c (debug_varpool): New.
2372         * cgraph.h (debug_varpool): Declare.
2374 2009-04-02  Jan Hubicka  <jh@suse.cz>
2376         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2377         pass.
2379 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2381         * config/i386/i386.c (ix86_abi): Move initialization to ...
2382         (override_options): Here.
2384 2009-04-02  Christian Bruel  <christian.bruel@st.com>
2386         * config/sh/sh.c (sh_dwarf_register_span): New function.
2387         (TARGET_DWARF_REGISTER_SPAN): Define.
2388         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2389         
2390 2009-04-02  Ira Rosen  <irar@il.ibm.com>
2392         PR tree-optimization/39595
2393         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
2394         interleaved loads group is not  greater than the SLP group size.
2396 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2398         * builtins.c (is_builtin_name): New.
2399         (called_as_built_in): Use is_builtin_name.
2400         * tree.h (is_builtin_name): New.
2401         * varasm.c (incorporeal_function_p): Use is_builtin_name
2403 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
2405         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2407 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
2409         PR c++/26693
2410         * c-decl.c (clone_underlying_type): Move this ...
2411         * c-common.c (set_underlying_type): ... here.
2412         Also, make sure the function properly sets TYPE_STUB_DECL() on
2413         the newly created typedef variant type.
2414         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2415         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2416         points.
2418 2009-04-02  Richard Guenther  <rguenther@suse.de>
2420         PR tree-optimization/37221
2421         * tree-flow.h (degenerate_phi_result): Declare.
2422         * tree-ssa-dom.c (degenerate_phi_result): Export.
2423         * tree-scalar-evolution.c (analyze_initial_condition): If
2424         the initial condition is defined by a degenerate PHI node
2425         use the degenerate value.
2427 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
2429         PR rtl-optimization/39588
2430         * combine.c (merge_outer_ops): Do not set the constant when this
2431         is not necessary.
2432         (simplify_shift_const_1): Do not modify it either in this case.
2434 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2436         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2437         tuning is deprecated if -mtune value is set to an Itanium1 variant.
2439 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
2441         PR c/29027
2442         * c-lex.c (interpret_float): Default (no suffix) is double.
2444 2009-04-1  Xinliang David Li  <davidxl@google.com>
2446         * config/i386/i386.c (legitimate_constant_p): Recognize
2447         all one vector constant.
2449 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2451         * gcc/config/vax/vax.c: Add #includes to silence warnings.
2452         Change #include order to silence two warnings.
2454 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2456         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2457         (ASM_SPEC): Pass -k to the assembler for PIC code.
2459 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2461         * gcc/config.gcc: Add vax-*-linux* to the switch.
2462         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2463         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2465 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2467         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2468         Use predicate macros instead of GET_CODE() == foo.
2469         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2470         ashlsi3, rotrsi3, <unnamed>): Likewise.
2472 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2474         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2475         jbbccihi, jbbccisi): Remova trailing whitespace.
2476         * gcc/config/vax/constraints.md: Likewise.
2477         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2478         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2479         * gcc/config/vax/predicates.md: Likewise.
2480         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2481         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2482         * gcc/config/vax/vax.h: Likewise.
2483         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2485 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2487         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2488         (indirectable_address_p, adjacent_operands_p): Add spaces around
2489         braces.
2490         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2492 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2494         * gcc/config/vax/vax.c (legitimate_constant_address_p,
2495         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2496         index_term_p, reg_plus_index_p, legitimate_address_p,
2497         vax_mode_dependent_address_p): Update comments to match functions
2498         modified by the recent int->bool conversion.
2500 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2502         * gcc/config/vax/builtins.md: Update copyright message.
2503         * gcc/config/vax/constraints.md: Likewise.
2504         * gcc/config/vax/netbsd-elf.h: Likewise.
2505         * gcc/config/vax/predicates.md: Likewise.
2506         * gcc/config/vax/vax-protos.h: Likewise.
2507         * gcc/config/vax/vax.c: Likewise.
2508         * gcc/config/vax/vax.h: Likewise.
2509         * gcc/config/vax/vax.md: Likewise.
2510         * gcc/config/vax/vax.opt: Likewise.
2512 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2514         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2515         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2516         * gcc/config/vax/constraints.md (B, R): Likewise.
2517         * gcc/config/vax/predicates.md (external_memory_operand,
2518         nonimmediate_addsub_di_operand): Likewise.
2519         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2520         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2521         untyped_call): Likewise.
2523 2009-04-01  Matt Thomas <matt@3am-software.com>
2525         * config/vax/predicates.md: New file.
2526         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2527         external_const_operand, nonsymbolic_operand, external_memory_operand,
2528         indirect_memory_operand, indexed_memory_operand,
2529         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2530         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2531         predicate.
2532         * config/vax/constraints.md: New file.
2533         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2534         New constraint.
2535         * config/vax/builtins.md: New file.
2536         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2537         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2538         jbbccisi): Define.
2539         * config/vax/vax.opt (mqmath): Add option.
2540         * config/vax/vax.md (isfx): Extend with DI.
2541         (VAXintQH, VAXintQHSD): Define.
2542         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2543         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2544         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2545         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2546         (movdi): Update constraints and use vax_output_int_move().
2547         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2548         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2549         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2550         nonlocal_goto): New.
2551         (mov<mode>): Extend accepted operand types.
2552         (subdi3_old): Rename from subdi3, change update constraints and use
2553         a new implementation.
2554         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2555         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2556         MOVE_RATIO, CLEAR_RATIO): Define.
2557         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2558         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2559         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2560         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2561         (split_quadword_operands): Make static and really allow variable
2562         splitting.
2563         (print_operand_address): Update for PIC generation.
2564         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2565         indexable_address_p, fixup_mathdi_operand,
2566         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2567         (vax_float_literal, legitimate_constant_p,
2568         indirectable_constant_address_p, index_term_p,
2569         reg_plus_index_p): Return bool instead of int.
2570         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2571         where needed.
2572         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2573         generation.
2574         (vax_output_conditional_branch): Indent.
2575         (legitimate_constant_address_p, indirectable_constant_address_p,
2576         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2577         vax_mode_dependent_address_p): Return bool instead of int, update for
2578         PIC generation.
2579         * config/vax/vax-protos.h (legitimate_constant_address_p,
2580         legitimate_constant_p, legitimate_address_p,
2581         vax_mode_dependent_address_p): Change declaration to bool.
2582         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2583         vax_expand_addsub_di_operands, vax_output_int_subtract,
2584         vax_output_movmemsi): Declare.
2585         (split_quadword_operands, vax_float_literal): Delete declaration.
2586         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2587         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2588         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2589         ASM_OUTPUT_DWARF_PCREL): Define.
2590         (ASM_SPEC): Change definition to allow PIC generation.
2592 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2594         * doc/sourcebuild.texi: Update front-end requirements.
2596 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2598         PR target/39226
2599         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2600         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2601         (booldi3_internal3): Use boolean_or_operator instead of
2602         boolean_operator.
2604 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2606         PR c/39605
2607         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2608         declarator whose size is not an integer constant expression but
2609         folds to an integer constant, then treat it as a constant
2610         subsequently.
2612 2009-04-01  Richard Guenther  <rguenther@suse.de>
2614         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2615         i * 4 + 2 to (i * 2 + 1) * 2.
2617 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2619         PR c/37772
2620         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2621         return if c_parser_asm_string_literal returned NULL.
2623 2009-04-01  Nick Clifton  <nickc@redhat.com>
2625         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2626         already defined.
2627         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2628         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2629         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2630         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2631         include it.
2632         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2633         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2634         then include it.
2636 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2638         * varasm.c (default_function_rodata_section): Declare DOT as
2639         const char*.
2641 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2642             Andrey Galkin <agalkin@hypercom.com>
2644         PR/39492
2645         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2646         Make object_name unique for each process.
2648 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2650         PR other/39591
2651         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2652         addressable variables in the parallel that could go out of scope while
2653         running queued tasks.
2655 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2657         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2658         (CASE_VALUES_THRESHOLD): Redefine.
2659         * config/avr/avr.c (avr_override_options): Remove initialization of
2660         avr_case_values_threshold variable.
2661         (avr_case_values_threshold): Remove variable. Add new function.
2662         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2663         * config/avr/avr.opt (mno-tablejump): Remove option.
2664         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2666 2009-04-01  DJ Delorie  <dj@redhat.com>
2668         * varasm.c (default_function_rodata_section): Don't assume
2669         anything about where the first '.' in the section name is.
2671 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2673         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2674         rs6000_emit_stack_tie.
2676 2009-03-31  Ian Lance Taylor  <iant@google.com>
2678         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2679         gimple_code with GIMPLE_RESX, not RESX.
2681 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2683         * c-common.c (c_get_ident): New.
2684         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2686 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2688         * config/rs6000/sysv4.opt (msdata): Improve option description.
2690 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2692         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2693         (divdf3_internal_lat): Remove.
2694         (divxf3_internal_lat): Remove.
2695         (divxf3_internal_thr): Remove.
2696         (divxf): Use divxf3_internal.
2697         * config/ia64/div.md (divsf3_internal_lat): New.
2698         (divdf3_internal_lat): New.
2699         (divxf3_internal): New.
2701 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2703         PR c/448
2704         * Makefile.in (USE_GCC_STDINT): Define.
2705         (stmp-int-hdrs): Install stdint.h if applicable.
2706         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2707         if known.
2708         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2709         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2710         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2711         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2712         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2713         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2714         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2715         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2716         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2717         (c_common_nodes_and_builtins): Initialize
2718         underlying_wchar_type_node.  Do not initialize
2719         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2720         nodes for new types.
2721         (c_stddef_cpp_builtins): Define macros for new types.
2722         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2723         Remove.
2724         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2725         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2726         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2727         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2728         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2729         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2730         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2731         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2732         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2733         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2734         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2735         int16_type_node, int32_type_node, int64_type_node,
2736         uint8_type_node, uint16_type_node, c_uint32_type_node,
2737         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2738         int_least32_type_node, int_least64_type_node,
2739         uint_least8_type_node, uint_least16_type_node,
2740         uint_least32_type_node, uint_least64_type_node,
2741         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2742         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2743         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2744         uintptr_type_node): Define.
2745         * c-cppbuiltin.c (builtin_define_constants,
2746         builtin_define_type_minmax): New.
2747         (builtin_define_stdint_macros): Define more macros.
2748         (c_cpp_builtins): Define more limit macros.
2749         (type_suffix): New.
2750         (builtin_define_type_max): Define in terms of
2751         builtin_define_type_minmax.  Remove is_long parameter.  All
2752         callers changed.
2753         * config.gcc (use_gcc_stdint): Define.
2754         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2755         Add newlib-stdint.h for generic targets.
2756         * config/glibc-stdint.h, config/newlib-stdint.h,
2757         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2758         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2759         * config/score/score.h (UINTPTR_TYPE): Define.
2760         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2761         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2762         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2763         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2764         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2765         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2766         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2767         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2768         * config/spu/spu.h (STDINT_LONG32): Define.
2769         * configure.ac (use_gcc_stdint): Substitute.
2770         * configure: Regenerate.
2771         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2772         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2773         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2774         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2775         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2776         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2777         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2778         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2779         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2780         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2781         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2782         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2783         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2784         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2785         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2786         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2787         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2788         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2789         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2790         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2791         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2792         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2793         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2794         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2795         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2796         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2797         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2798         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2799         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2801 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2803         * loop-iv.c (suitable_set_for_replacement): Renamed from
2804         simplify_using_assignment; changed to return bool and to accept new
2805         args DEST and SRC.  Return true iff we find a source/destination pair
2806         that can be used to make a replacement, and fill SRC and DEST if so.
2807         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2808         changed.
2809         (simplify_using_initial_values): Deal with altered regs here and track
2810         more precisely the effect they have on the validity of our expression.
2812         * loop-iv.c (simplify_using_condition): A condition of the form
2813         (EQ REG CONST) can be used to simply make a substitution.
2814         (simplify_using_initial_values): Keep track of conditions we have seen
2815         and keep using them to simplify new expressions, while applying the
2816         same substitutions to them as to the expression.
2818         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2819         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2820         GEU/LTU reversed.
2822         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
2823         changed.  Use this when trying to improve the upper bound.
2824         Generate the comparison by using simplify_gen_relational.
2826         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2828         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2829         functions.
2830         (simplify_using_assignment, simplify_using_initial_values): Call 
2831         replace_in_expr to make replacements.  Call replace_single_def_regs
2832         once on the initial version of the expression.
2834 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2836         PR target/27237
2837         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2838         
2839 2009-03-31  Richard Guenther  <rguenther@suse.de>
2841         PR middle-end/31029
2842         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2843         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
2845 2009-03-31  Richard Guenther  <rguenther@suse.de>
2847         * tree.h (div_if_zero_remainder): Declare.
2848         * fold-const.c (div_if_zero_remainder): Export.
2849         * tree-ssa-forwprop.c
2850         (forward_propagate_addr_into_variable_array_index): Handle
2851         constant array index addition outside of the variable index.
2853 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2855         PR target/39592
2856         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2857         define_splits, floatunssi<mode>2): Require x87 conversions from
2858         DImode to be permitted.
2860 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2862         PR preprocessor/15638
2863         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2865 2009-03-31  Richard Guenther  <rguenther@suse.de>
2867         PR middle-end/23401
2868         PR middle-end/27810
2869         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2870         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2871         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2872         a separate statement.
2873         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2874         (lookup_tmp_var): Likewise.
2875         (is_gimple_formal_tmp_or_call_rhs): Remove.
2876         (is_gimple_reg_or_call_rhs): Rename to ...
2877         (is_gimple_reg_rhs_or_call): ... this.
2878         (is_gimple_mem_or_call_rhs): Rename to ...
2879         (is_gimple_mem_rhs_or_call): ... this.
2880         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
2881         DECL_GIMPLE_REG_P only if is_formal is true.
2882         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
2883         for non-proper post-modify expression gimplification.
2884         (gimplify_self_mod_expr): For post-modify expressions gimplify
2885         the lvalue to a minimal lvalue.
2886         (rhs_predicate_for): Remove formal temp case.
2887         (gimplify_modify_expr_rhs): Likewise.
2888         (gimplify_addr_expr): Use is_gimple_reg.
2889         (gimplify_expr): Remove formal temp cases.
2890         (gimple_regimplify_operands): Likewise.
2891         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2892         and FILTER_EXPR like constants.
2893         * gimple.c (walk_gimple_op): Fix val_only initialization, use
2894         is_gimple_reg.
2895         (is_gimple_formal_tmp_rhs): Remove.
2896         (is_gimple_reg_rhs): Remove special casing.
2897         (is_gimple_mem_rhs): Fix.
2898         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2899         (is_gimple_formal_tmp_var): Remove.
2900         (is_gimple_formal_tmp_reg): Likewise.
2901         (is_gimple_min_lval): Allow invariant component ref parts.
2902         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2903         is_gimple_formal_tmp_reg): Remove declarations.
2904         * tree-cfg.c (verify_expr): Verify that variables with address
2905         taken do not have DECL_GIMPLE_REG_P set.
2906         * tree-mudflap.c (mf_build_check_statement_for): Use
2907         force_gimple_operand instead of gimplify_expr.
2909 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
2911         * modulo-sched.c (sms_schedule_by_order): Pass the actual
2912         schedulable rows to compute_split_row.
2914 2009-03-31  Ben Elliston  <bje@au.ibm.com>
2916         PR target/31635
2917         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2918         OPT_mvrsave.
2920 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2922         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2923         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2924         * configure: Regenerate.
2925         * config.in: Regenerate.
2926         * config/rs6000/rs6000.opt (mtls-markers): Add.
2927         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2928         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2929         (tls_ld_aix, tls_ld_sysv): Likewise.
2930         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2931         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2933 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2935         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2937 2009-03-30  Jan Hubicka  <jh@suse.cz>
2939         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2940         out of RESX.
2941         (tree_remove_unreachable_handlers): Cleanup EH predecestor
2942         detection and label handling.
2944 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2946         * ira-int.h (ira_allocno): Rename left_conflicts_num to
2947         left_conflicts_size.
2948         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2949         ALLOCNO_LEFT_CONFLICTS_SIZE.
2951         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2952         remove_allocno_from_bucket_and_push,
2953         allocno_spill_priority_compare, push_allocnos_to_stack,
2954         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2955         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2956         (setup_allocno_left_conflicts_num): Ditto.  Rename to
2957         setup_allocno_left_conflicts_size.
2958         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2959         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2960         setup_allocno_left_conflicts_size instead of
2961         setup_allocno_left_conflicts_num.
2963         * ira-build.c (ira_create_allocno): Use
2964         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2965         ALLOCNO_LEFT_CONFLICTS_NUM.
2966                 
2967 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2969         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2970         instead of DF_LR_OUT.
2972         * ira-lives.c (process_bb_node_lives): Ditto.
2974         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2975         instead of DF_LR_{OUT,IN}.
2977         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2979         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2981 2009-03-30  Jan Hubicka  <jh@suse.cz>
2983         * except.c (label_to_region_map): Fix thinko.
2985 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
2987         PR middle-end/38237
2988         * tree.h (tree_find_value): New declaration.
2989         * tree.c (tree_find_value): New function.
2990         * varasm.c (assemble_external): Avoid duplicate entries on lists.
2992 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
2994         PR debug/39563
2995         * c-decl.c (struct c_binding): Add locus field.
2996         (bind): Add locus argument, set locus field from it.
2997         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2998         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2999         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
3000         implicitly_declare, undeclared_variable, lookup_label,
3001         declare_label, c_make_fname_decl, c_builtin_function,
3002         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
3003         bind callers.
3005 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
3007         PR target/38781
3008         * config/i386/i386.c (classify_argument): Check total size of
3009         structure.
3011 2009-03-30  Martin Jambor  <mjambor@suse.cz>
3013         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
3014         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
3015         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
3016         respectively.
3018         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
3019         seen_variable_array_ref while also traversing a union.
3021         * tree-inline.c (optimize_inline_calls): Do not call
3022         cgraph_node_remove_callees.
3023         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
3024         (pass_remove_cgraph_callee_edges): New variable.
3025         * passes.c (init_optimization_passes): Add
3026         pass_remove_cgraph_callee_edges after early inlining and before all
3027         late intraprocedural passes.
3029         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
3031 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3033         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
3034         Fix typos in names.
3036 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3038         * combine.c (simplify_comparison): Use have_insn_for.
3039         * dojump.c (do_jump): Likewise.
3041 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3043         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
3044         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
3045         sparc_compare_op0 like sparc_compare_emitted used to be handled.
3046         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
3047         instead of sparc_compare_emitted.
3048         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
3049         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
3050         instead of sparc_compare_emitted.
3052 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3054         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
3055         enter/exit cfglayout mode.
3056         (pass_partition_block): Require it.
3057         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
3058         (combine_instructions): Track basic blocks instead of labels.
3059         (update_cfg_for_uncondjump): New.
3060         (try_combine): Use it.  Update jumps after rescanning.
3061         (pass_combine): Require PROP_cfglayout.
3062         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
3064 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3066         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
3067         Provide/destroy PROP_cfglayout respectively.
3068         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
3069         * tree-pass.h (PROP_cfglayout): New.
3071 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3073         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
3074         fold_convert_const_fixed_from_fixed,
3075         fold_convert_const_fixed_from_int,
3076         fold_convert_const_fixed_from_real, fold_negate_const): Do not
3077         set TREE_CONSTANT_OVERFLOW.
3078         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
3079         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
3081 2009-03-30  Ira Rosen  <irar@il.ibm.com>
3083         * tree-vect-loop-manip.c: New file.
3084         * tree-vectorizer.c: Update documentation and included files.
3085         (vect_loop_location): Make extern.
3086         (rename_use_op): Move to tree-vect-loop-manip.c
3087         (rename_variables_in_bb, rename_variables_in_loop, 
3088         slpeel_update_phis_for_duplicate_loop, 
3089         slpeel_update_phi_nodes_for_guard1,
3090         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
3091         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3092         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3093         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
3094         find_loop_location): Likewise.
3095         (new_stmt_vec_info): Move to tree-vect-stmts.c.
3096         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3097         get_vectype_for_scalar_type, vect_is_simple_use,
3098         supportable_widening_operation, supportable_narrowing_operation):
3099         Likewise.
3100         (bb_in_loop_p): Move to tree-vect-loop.c.
3101         (new_loop_vec_info, destroy_loop_vec_info, 
3102         reduction_code_for_scalar_code, report_vect_op, 
3103         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3104         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3105         (vect_supportable_dr_alignment): Likewise.
3106         * tree-vectorizer.h (tree-data-ref.h): Include.
3107         (vect_loop_location): Declare.
3108         Reorganize function declarations according to the new file structure.
3109         * tree-vect-loop.c: New file.
3110         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
3111         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3112         * tree-vect-data-refs.c: New file.
3113         * tree-vect-patterns.c (timevar.h): Don't include.
3114         * tree-vect-stmts.c: New file.
3115         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
3116         tree-vect-slp.c, tree-vect-loop.c.
3117         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
3118         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
3119         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3120         (tree-vect-analyze.o): Remove.
3121         (tree-vect-transform.o): Likewise.
3122         (tree-vect-data-refs.o): Add rule.
3123         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
3124         tree-vect-slp.o): Likewise.
3125         (tree-vect-patterns.o): Remove redundant dependencies.
3126         (tree-vectorizer.o): Likewise.
3127         * tree-vect-slp.c: New file.
3129 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3131         * optc-gen.awk: Warn if an option flag has multiple different
3132         help strings.
3134 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3136         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3137         -floop-block): Document dependences on PPL, CLooG and Graphite.
3139 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3141         PR rtl-optimization/323
3142         * c-common.c (c_fully_fold, convert_and_check,
3143         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3144         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3145         * c-common.def (EXCESS_PRECISION_EXPR): New.
3146         * c-cppbuiltin.c (builtin_define_float_constants): Define
3147         constants with enough digits for long double.
3148         * c-lex.c (interpret_float): Interpret constant with excess
3149         precision where appropriate.
3150         * c-opts.c (c_common_post_options): Set
3151         flag_excess_precision_cmdline.  Give an error for
3152         -fexcess-precision=standard for C++ for processors where the
3153         option is significant.
3154         * c-parser.c (c_parser_conditional_expression): Handle excess
3155         precision in condition.
3156         * c-typeck.c (convert_arguments): Handle arguments with excess
3157         precision.
3158         (build_unary_op): Move excess precision outside operation.
3159         (build_conditional_expr): Likewise.
3160         (build_compound_expr): Likewise.
3161         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3162         (build_modify_expr): Handle excess precision in RHS.
3163         (convert_for_assignment): Handle excess precision in converted
3164         value.
3165         (digest_init, output_init_element, process_init_element): Handle
3166         excess precision in initializer.
3167         (c_finish_return): Handle excess precision in return value.
3168         (build_binary_op): Handle excess precision in operands and add
3169         excess precision as needed for operation.
3170         * common.opt (-fexcess-precision=): New option.
3171         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3172         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3173         For standard excess precision, output explicit conversion to and
3174         truncation from XFmode.
3175         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3176         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3177         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3178         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3179         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3180         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3181         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3182         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3183         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3184         define_splits, sqrt<mode>2): Disable where appropriate for
3185         standard excess precision.
3186         * convert.c (convert_to_real): Do not shorten arithmetic to type
3187         for which excess precision would be used.
3188         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3189         * doc/invoke.texi (-fexcess-precision=): Document option.
3190         (-mfpmath=): Correct index entry.
3191         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3192         flag_excess_precision): New.
3193         * langhooks.c (lhd_post_options): Set
3194         flag_excess_precision_cmdline.
3195         * opts.c (common_handle_option): Handle -fexcess-precision=.
3196         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3197         init_excess_precision): New.
3198         (lang_dependent_init_target): Call init_excess_precision.
3199         * tree.c (excess_precision_type): New.
3200         * tree.h (excess_precision_type): Declare.
3202 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3204         PR c/35235
3205         * c-typeck.c (build_component_ref): Do not copy qualifiers from
3206         non-lvalue to component.
3208 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3210         PR preprocessor/34695
3211         * Makefile.in (c-opts.o): Depend on c-tree.h.
3212         * c-common.c: Move down include of diagnostic.h.
3213         (done_lexing, c_cpp_error): New.
3214         * c-common.h (done_lexing): Declare.
3215         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3216         (parse_in).
3217         * c-opts.c: Include c-tree.h.
3218         (c_common_init_options): Set preprocessor error callback.
3219         (c_common_handle_option): Do not set preprocessor
3220         inhibit_warnings, warnings_are_errors, warn_system_headers,
3221         pedantic_errors or inhibit_warnings flags.
3222         (c_common_post_options): Do not check cpp_errors (parse_in).
3223         (c_common_finish): Do not output dependencies if there were
3224         errors.  Do not check return value of cpp_finish.
3225         * c-ppoutput.c (pp_file_change): Set input_location.
3226         * c-tree.h (c_cpp_error): Declare.
3227         * diagnostic.c (diagnostic_set_info_translated): Also initialize
3228         override_column.
3229         (diagnostic_build_prefix): Check override_column.
3230         * diagnostic.h (diagnostic_info): Add override_column field.
3231         (diagnostic_override_column): Define.
3233 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
3235         * c-common.c (c_expand_expr, c_staticp): Remove.
3236         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3237         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3238         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3239         * c-gimplify.c (gimplify_compound_literal_expr,
3240         optimize_compound_literals_in_ctor): Remove.
3241         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3242         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3243         * c-semantics.c (emit_local_var): Remove.
3245         * langhooks-def.h (lhd_expand_expr): Remove.
3246         * langhooks.c (lhd_expand_expr): Remove.
3247         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3249         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3250         handling from c-semantics.c; don't call into langhook.
3251         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3252         * gimplify.c (gimplify_compound_literal_expr,
3253         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3254         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3255         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3256         as was done in c-gimplify.c.
3257         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3258         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3259         Move from c-common.h.
3260         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3262         * tree.c (staticp): Do not call langhook.
3263         * langhooks.c (lhd_staticp): Delete.
3264         * langhooks-def.h (lhd_staticp): Delete prototype.
3265         (LANG_HOOKS_STATICP): Delete.
3266         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3268         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3269         instead of DECL_STMTs.
3271 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3273         PR c/456
3274         PR c/5675
3275         PR c/19976
3276         PR c/29116
3277         PR c/31871
3278         PR c/35198
3279         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3280         void_type_node.
3281         (fold_call_expr): Return a NOP_EXPR from folding rather than the
3282         contained expression.
3283         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3284         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
3285         conditional expressions for C.
3286         (decl_constant_value_for_optimization): Move from
3287         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
3288         whether optimizing and that the expression is a VAR_DECL not of
3289         array type instead of doing such checks in the caller.  Do not
3290         check pedantic.  Call gcc_unreachable for C++.
3291         * c-common.def (C_MAYBE_CONST_EXPR): New.
3292         * c-common.h (c_fully_fold, c_save_expr,
3293         decl_constant_value_for_optimization): New prototypes.
3294         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3295         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3296         EXPR_INT_CONST_OPERANDS): Define.
3297         * c-convert.c (convert): Strip nops from expression.
3298         * c-decl.c (groktypename): Take extra parameters expr and
3299         expr_const_operands.  Update call to grokdeclarator.
3300         (start_decl): Update call to grokdeclarator.  Add statement for
3301         expressions used in type of decl.
3302         (grokparm): Update call to grokdeclarator.
3303         (push_parm_decl): Update call to grokdeclarator.
3304         (build_compound_literal): Add parameter non_const and build a
3305         C_MAYBE_COSNT_EXPR if applicable.
3306         (grokdeclarator): Take extra parameters expr and
3307         expr_const_operands.  Track expressions used in declaration
3308         specifiers and declarators.  Fold array sizes and track whether
3309         they are constant expressions and whether they are integer
3310         constant expressions.
3311         (parser_xref_tag): Set expr and expr_const_operands fields in
3312         return value.
3313         (grokfield): Update call to grokdeclarator.
3314         (start_function): Update call to grokdeclarator.
3315         (build_null_declspecs): Set expr and expr_const_operands fields in
3316         return value.
3317         (declspecs_add_type): Handle expressions in typeof specifiers.
3318         * c-parser.c (c_parser_declspecs): Set expr and
3319         expr_const_operands fields for declaration specifiers.
3320         (c_parser_enum_specifier): Likewise.
3321         (c_parser_struct_or_union_specifier): Likewise.
3322         (c_parser_typeof_specifier): Likewise.  Update call to
3323         groktypename.  Fold expression as needed.  Return expressions with
3324         type instead of adding statements.
3325         (c_parser_attributes): Update calls to c_parser_expr_list.
3326         (c_parser_statement_after_labels): Fold expression before passing
3327         to objc_build_throw_stmt.
3328         (c_parser_condition): Fold expression.
3329         (c_parser_asm_operands): Fold expression.
3330         (c_parser_conditional_expression): Use c_save_expr.  Update call
3331         to build_conditional_expr.
3332         (c_parser_alignof_expression): Update call to groktypename.
3333         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3334         original_code.  Fold expression argument of va_arg.  Create
3335         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3336         argument to va_arg.  Update calls to groktypename.  Fold array
3337         index for offsetof.  Verify that first argument to
3338         __builtin_choose_expr has integer type.
3339         (c_parser_postfix_expression_after_paren_type): Update calls to
3340         groktypename and build_compound_literal.  Handle expressions with
3341         side effects in type name.
3342         (c_parser_postfix_expression_after_primary): Update call to
3343         c_parser_expr_list.  Set original_code for calls to
3344         __builtin_constant_p.
3345         (c_parser_expr_list): Take extra parameter fold_p.  Fold
3346         expressions if requested.
3347         (c_parser_objc_type_name): Update call to groktypename.
3348         (c_parser_objc_synchronized_statement): Fold expression.
3349         (c_parser_objc_receiver): Fold expression.
3350         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3351         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3352         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3353         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3354         (struct c_typespec): Add elements expr and expr_const_operands.
3355         (struct c_declspecs): Add elements expr and expr_const_operands.
3356         (groktypename, build_conditional_expr, build_compound_literal):
3357         Update prototypes.
3358         (in_late_binary_op): Declare.
3359         * c-typeck.c (note_integer_operands): New function.
3360         (in_late_binary_op): New variable.
3361         (decl_constant_value_for_broken_optimization): Move to c-common.c
3362         and rename to decl_constant_value_for_optimization.
3363         (default_function_array_conversion): Do not strip nops.
3364         (default_conversion): Do not call
3365         decl_constant_value_for_broken_optimization.
3366         (build_array_ref): Do not fold result.
3367         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
3368         result when operand is a VLA.
3369         (c_expr_sizeof_type): Update call to groktypename.  Handle
3370         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
3371         result when operand names a VLA type.
3372         (build_function_call): Update call to build_compound_literal.
3373         Only fold result for calls to __builtin_* functions.  Strip
3374         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
3375         the function designator.
3376         (convert_arguments): Fold arguments.  Update call to
3377         convert_for_assignment.
3378         (build_unary_op): Handle increment and decrement of
3379         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
3380         decrement earlier.  Fold operand of increment and decrement.
3381         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
3382         built for integer operand.  Wrap returns that are INTEGER_CSTs
3383         without being integer constant expressions or that have integer
3384         constant operands without being INTEGER_CSTs.
3385         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3386         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
3387         result is an integer constant expression or can be used in
3388         unevaluated parts of one and avoid folding and wrap as
3389         appropriate.  Fold operands before possibly doing -Wsign-compare
3390         warnings.
3391         (build_compound_expr): Wrap result for C99 if operands can be used
3392         in integer constant expressions.
3393         (build_c_cast): Update call to digest_init.  Do not ignore
3394         overflow from casting floating-point constants to integers.  Wrap
3395         results that could be confused with integer constant expressions,
3396         null pointer constants or floating-point constants.
3397         (c_cast_expr): Update call to groktypename.  Handle expressions
3398         included in type name.
3399         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
3400         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
3401         Update calls to convert_for_assignment.
3402         (convert_for_assignment): Take new parameter
3403         null_pointer_constant.  Do not strip nops or call
3404         decl_constant_value_for_broken_optimization.  Set
3405         in_late_binary_op for conversions to boolean.
3406         (store_init_value): Update call to digest_init.
3407         (digest_init): Take new parameter null_pointer_constant.  Do not
3408         call decl_constant_value_for_broken_optimization.  pedwarn for
3409         initializers not constant expressions.  Update calls to
3410         convert_for_assignment.
3411         (constructor_nonconst): New.
3412         (struct constructor_stack): Add nonconst element.
3413         (really_start_incremental_init, push_init_level, pop_init_level):
3414         Handle constructor_nonconst and nonconst element.
3415         (set_init_index): Call constant_expression_warning for array
3416         designators.
3417         (output_init_element): Fold value.  Set constructor_nonconst as
3418         applicable.  pedwarn for initializers not constant expressions.
3419         Update call to digest_init.  Call constant_expression_warning
3420         where constant initializers are required.
3421         (process_init_element): Use c_save_expr.
3422         (c_finish_goto_ptr): Fold expression.
3423         (c_finish_return): Fold return value.  Update call to
3424         convert_for_assignment.
3425         (c_start_case): Fold switch expression.
3426         (c_process_expr_stmt): Fold expression.
3427         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3428         ensure statement expression is not evaluated in constant expression.
3429         (build_binary_op): Track whether results are integer constant
3430         expressions or may occur in such, disable folding and wrap results
3431         as applicable.  Fold operands for -Wsign-compare warnings unless
3432         in_late_binary_op.
3433         (c_objc_common_truthvalue_conversion): Handle results folded to
3434         integer constants that are not integer constant expressions.
3435         * doc/extend.texi: Document when typeof operands are evaluated,
3436         that condition of __builtin_choose_expr is an integer constant
3437         expression, and more about use of __builtin_constant_p in
3438         initializers.
3440 2009-03-29  Richard Guenther  <rguenther@suse.de>
3442         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3443         propagate addresses of array references.
3445 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3447         * regmove.c (perhaps_ends_bb_p): Remove.
3448         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
3449         from INSN and check that the main loop stays within that basic block.
3450         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3451         (regmove_forward_pass): Split out from regmove_optimize.  Use
3452         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3453         (regmove_backward_pass): Split out from regmove_optimize.  Use
3454         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3455         (regmove_optimize): Simplify.
3457 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3459         PR target/39545
3460         * config/i386/i386.c (classify_argument): Ignore flexible array
3461         member in struct and warn ABI change.
3463 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3465         * config/i386/i386-protos.h (ix86_agi_dependent): New.
3467         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3468         (ix86_adjust_cost): Updated.
3470 2009-03-29  Jan Hubicka  <jh@suse.cz>
3472         PR middle-end/28850
3473         * tree-pass.h (pass_cleanup_eh): New function.
3474         (remove_unreachable_regions): Break code handling RTL
3475         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3476         that can not be reached by runtime.
3477         (can_be_reached_by_runtime): New function.
3478         (label_to_region_map): New function.
3479         (num_eh_regions): New function.
3480         (rtl_remove_unreachable_regions): New function.
3481         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3482         (remove_eh_region): New function.
3483         * except.h: Include sbitmap and vecprim.
3484         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3485         num_eh_regions): Declare.
3486         * passes.c (init_optimization_passes): Schedule cleanup_eh.
3487         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3488         * tree-eh.c (tree_remove_unreachable_handlers): New function.
3489         (tree_empty_eh_handler_p): New function.
3490         (cleanup_empty_eh): New function.
3491         (cleanup_eh): New function.
3492         (pass_cleanup_eh): New function.
3494 2009-03-29  Jan Hubicka  <jh@suse.cz>
3496         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3497         for removed regions.
3499 2009-03-29  Jan Hubicka  <jh@suse.cz>
3501         * except.c (dump_eh_tree): Dump all datastructures.
3503 2009-03-29  Jan Hubicka  <jh@suse.cz>
3505         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3506         (duplicate_eh_regions_1): Likewise.
3507         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3508         vector; call EH verification.
3509         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3510         Be ready for region being removed.
3512 2009-03-29  Jan Hubicka  <jh@suse.cz>
3514         * bitmap.c (bitmap_last_set_bit): New function.
3515         * bitmap.h (bitmap_last_set_bit): Declare.
3517 2009-03-29  David Ayers  <ayers@fsfe.org>
3519         PR objc/27377
3520         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3521         by calling objc_compare_types and surpress warnings about
3522         incompatible C pointers that are compatible ObjC pointers.
3523         
3524 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
3526         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3527         call initialize_inline_failed.
3528         (initialize_inline_failed): Move it from here ...
3529         * cgraph.c (initialize_inline_failed): ... to here.
3530         (cgraph_create_edge): Call initialize_inline_failed rather than
3531         setting inline_failed directly.
3533 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3535         PR target/32542
3536         * sysv4.opt (msdata): Improve comment.
3537         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3538         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3540 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3542         PR target/30451
3543         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3544         load and store attributes.
3546 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3548         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3549         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3550         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3551         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3552         __builtin_infq and __builtin_huge_valq.
3554 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3556         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3557         atmega8m1 devices.
3558         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3559         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3561 2009-03-28  Xinliang David Li  <davidxl@google.com>
3563         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
3564         (do_dbg_cnt): New function.
3566 2009-03-28  Jan Hubicka  <jh@suse.cz>
3568         Merge from pretty-ipa:
3570         2009-03-27  Jan Hubicka  <jh@suse.cz>
3572         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3573         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3574         * passes.c (function_called_by_processed_nodes_p): New.
3575         * ipa-pure-const.c (check_call): Fix handling of operands.
3576         (analyze_function): Dump debug output for skipped bodies.
3577         (local_pure_const): Use function_called_by_processed_nodes_p.
3578         * dwarf2out.c (reference_to_unused): Use output.
3579         * passes.c (do_per_function_toporder): Likewise.
3581         2008-11-12  Jan Hubicka  <jh@suse.cz>
3583         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3584         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3585         state_set_in_source enum
3586         (check_decl): Ignore memory tags; do not set fake looping flags;
3587         dump diagnostics.
3588         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3589         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3590         (check_call, analyze_function): Rewrite.
3591         (check_stmt): New.
3592         (add_new_function): Update call of analyze_function.
3593         (generate_summary): Add call of analyze_function.
3594         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3595         (local_pure_const): New function.
3596         (pass_local_pure_const): New pass.
3597         * ipa-inline.c (inline_transform): Set after_inlining.
3598         * tree-eh.c (stmt_can_throw_external): New.
3599         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3600         work with aliasing built.
3601         * tree-flow.h (stmt_can_throw_external): New.
3602         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3603         and local pure/const pass in early and late optimization queue.
3605 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3607         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3608         allow_func_align.
3609         (fold_binary): Allow function decl aligment consideration is the
3610         second argument is integer constant one.
3611         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3612         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3613         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3615 2009-03-28  Jan Hubicka  <jh@suse.cz>
3617         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3618         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3619         * function.h (rtl_data): Add nothrow flag.
3620         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3621         set DECL_NOTHROW for AVAILABLE functions.
3623 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3625         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3626         following vector keyword has expansion starting with pixel or bool
3627         keyword, expand vector to __vector and pixel or bool to __pixel or
3628         __bool.
3630         PR c++/39554
3631         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3632         warn_if_disallowed_function_p): Removed.
3633         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3634         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3635         warning_if_disallowed_function_p.
3636         * flags.h (warn_if_disallowed_function_p,
3637         warn_disallowed_functions): Removed.
3638         * common.opt (Wdisallowed-function-list=): Removed.
3639         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3641 2009-03-28  Richard Guenther  <rguenther@suse.de>
3643         PR tree-optimization/38723
3644         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3645         the entry block.
3647 2009-03-28  Jan Hubicka  <jh@suse.cz>
3649         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3650         test introduced by my previous patch.
3652 2009-03-28  Richard Guenther  <rguenther@suse.de>
3654         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3655         the PHIs value undefined.
3657 2009-03-28  Jan Hubicka  <jh@suse.cz>
3659         * tree-pass.h (pass_fixup_cfg): New pass.
3660         * ipa-inline.c (inline_transform): Set
3661         always_inline_functions_inlined/after_inlining.
3662         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3663         (pass_fixup_cfg): New pass.
3664         * passes.c (init_optimization_passes): Add fixup_cfg.
3666 2009-03-28  Richard Guenther  <rguenther@suse.de>
3668         PR tree-optimization/38458
3669         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3670         argument use the arguments copy-of value.
3672 2009-03-28  Richard Guenther  <rguenther@suse.de>
3674         PR tree-optimization/38180
3675         * tree-ssa-ccp.c (get_default_value): Simplify.
3676         (likely_value): Likewise.
3677         (surely_varying_stmt_p): Properly handle VOP case.
3678         (ccp_initialize): Likewise.
3679         (ccp_fold): Handle propagating through *&.
3680         (fold_const_aggregate_ref): Also handle decls.
3682 2009-03-28  Jan Hubicka  <jh@suse.cz>
3684         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3685         * cgraph.h (cgraph_node): Likewise.
3686         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3687         (cgraph_reset_node): Use process flag.
3688         (cgraph_mark_functions_to_output): Likewise.
3689         (cgraph_expand_function): Likewise.
3690         (cgraph_expand_all_functions): Likewise.
3691         (cgraph_output_in_order): Likewise.
3692         * dwarf2out.c (reference_to_unused): Likewise.
3693         * passes.c do_per_function_toporder): Likewise.
3695 2009-03-28  Jan Hubicka  <jh@suse.cz>
3697         Bring from lto-branch:
3699         2008-09-03  Doug Kwan  <dougkwan@google.com>
3701         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3702         enums instead of reason strings.
3703         * cgraph.c (cgraph_create_edge): Same.
3704         (cgraph_inline_failed_string): New function.
3705         * cgraph.h (cgraph_inline_failed_t): New enum type.
3706         (cgraph_inline_failed_string): New prototype.
3707         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3708         char pointer to cgraph_inline_failed_t.
3709         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3710         (cgraph_default_inline_p): Ditto.
3711         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3712         to cgraph_inline_failed_t pointer.
3713         * cif-code.def: New file.
3714         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3715         reason string.
3716         (cgraph_check_inline_limits): Change type of REASON to pointer to
3717         cgraph_inline_failed_t.  Replace reason strings with enums.
3718         (cgraph_default_inline_p): Ditto.
3719         (cgraph_recursive_inlining_p): Ditto.
3720         (update_caller_keys): Change type of FAILED_REASON to
3721         cgraph_inline_failed_t.
3722         (cgraph_set_inline_failed): Change type of REASON to pointer to
3723         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3724         convert enums to strings for text output.
3725         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3726         to be of type cgraph_inline_failed_t.  Replace reason strings with
3727         enums.  Call cgraph_inline_failed_string to covert enums
3728         to strings for text output.
3729         (cgraph_decide_inlining): Replace reason strings with enums.
3730         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3731         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3732         for text output.
3733         * tree-inline.c (expand_call_inline): Change type of REASON
3734         to cgraph_inline_failed_t.  Replace reason strings with enums.
3735         Call cgraph_inline_failed_string for text output.
3736         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3737         (cgraph.o): Ditto.
3739 2009-03-28  Jan Hubicka  <jh@suse.cz>
3741         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3742         cgraph_clone_node): Remove master clone handling.
3743         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3744         * cgraph.h (master_clone): Remove.
3745         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3746         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3747         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3749 2009-03-28  Jan Hubicka  <jh@suse.cz>
3751         * cgraph.c (cgraph_function_body_availability): Functions declared
3752         inline are always safe to assume that it is not going to be replaced.
3754 2009-03-28  Richard Guenther  <rguenther@suse.de>
3756         PR tree-optimization/38513
3757         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3758         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3759         EXC_PTR_EXPR and FILTER_EXPR.
3760         (get_ref_from_reference_ops): Likewise.
3762 2009-03-28  Richard Guenther  <rguenther@suse.de>
3764         PR tree-optimization/38968
3765         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3766         Use FLOOR_MOD_EXPR to compute misalignment.
3768 2009-03-28  Richard Guenther  <rguenther@suse.de>
3770         PR tree-optimization/37795
3771         * tree.h (combine_comparisons): Declare.
3772         * fold-const.c (combine_comparisons): Export.
3773         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3774         comparisons.
3775         (ifcombine_iforif): Use combine_comparisons.
3777 2009-03-28  Jan Hubicka  <jh@suse.cz>
3779         * tree-eh.c (inlinable_call_p): New function.
3780         (make_eh_edges): Use it.
3781         (verify_eh_edges): Use it.
3782         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3783         * except.c (reachable_next_level): Add inlinable_function argument
3784         (sjlj_find_directly_reachable_regions): Update.
3785         (add_reachable_handler): Do not set saw_any_handlers.
3786         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3787         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3788         Add new inlinable call parameter.
3789         (can_throw_internal, can_throw_external): Update.
3790         * except.h (can_throw_internal_1, can_throw_external_1,
3791         foreach_reachable_handler): Update declaration.
3793 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3795         * config/arm/t-arm-coff, config/h8300/coff.h,
3796         config/i386/i386-aout.h, config/i386/i386-coff.h,
3797         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3798         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3799         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3800         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3801         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3802         sys-types.h: Remove.
3803         * Makefile.in: Remove protoize and fixproto support and references
3804         in comments.
3805         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3806         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3807         Remove.
3808         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3809         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3810         unprotoize$(exeext).
3811         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3812         (.PHONY): Don't depend on proto.
3813         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3814         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3815         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3816         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3817         build/gen-protos.o, build/scan.o, xsys-protos.h,
3818         build/fix-header$(build_exeext), build/fix-header.o,
3819         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3820         stmp-install-fixproto): Remove.
3821         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3822         SYSCALLS.c or fixproto files.
3823         (install-common): Don't install protoize.
3824         (install-headers-tar, install-headers-cpio, install-headers-cp):
3825         Don't depend on $(STMP_FIXPROTO).
3826         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
3827         install fixproto files or write out fixproto settings.
3828         (uninstall): Don't uninstall protoize.
3829         * config.gcc (use_fixproto): Remove.
3830         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3831         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3832         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3833         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3834         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3835         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3836         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3837         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3838         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3839         * config/t-vxworks (STMP_FIXPROTO): Remove.
3840         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3841         STMP_FIXPROTO): Remove.
3842         * config.in, configure: Regenerate.
3843         * crtstuff.c (gid_t, uid_t): Don't undefine.
3844         * doc/install.texi: Change m68k-coff to m68k-elf in example.
3845         (arm-*-coff, arm-*-aout: Remove target entries.
3846         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3847         Remove mention of AIX 4.1.
3848         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3849         * doc/invoke.texi (Running Protoize): Remove.
3850         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3851         (Protoize Caveats): Remove.
3852         * tsystem.h: Update comments on headers assumed to exist.
3854 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
3856         * genautomata.c: Add a new year to the copyright.  Add a new
3857         reference.
3858         (struct insn_reserv_decl): Add comments for member bypass_list.
3859         (find_bypass): Remove.
3860         (insert_bypass): New.
3861         (process_decls): Use insert_bypass.
3862         (output_internal_insn_latency_func): Output all bypasses with the
3863         same input insn in one switch case.
3865         * rtl.def (define_bypass): Describe bypass choice.
3866         * doc/md.texi (define_bypass): Ditto.
3868 2009-03-27  Richard Guenther  <rguenther@suse.de>
3870         * gimplify.c (mark_addressable): Export.
3871         * tree-flow.h (mark_addressable): Declare.
3872         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3873         * tree-ssa.c (verify_phi_args): Verify that address taken
3874         variables have TREE_ADDRESSABLE set.
3876 2009-03-27  Richard Guenther  <rguenther@suse.de>
3878         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3879         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
3880         Do not mark decls TREE_ADDRESSABLE.
3881         (build_fold_addr_expr): Adjust.
3882         (fold_addr_expr): Remove.
3883         (fold_unary): Use build_fold_addr_expr.
3884         (fold_comparison): Likewise.
3885         (split_address_to_core_and_offset): Likewise.
3886         * coverage.c (tree_coverage_counter_addr): Mark the array decl
3887         TREE_ADDRESSABLE.
3888         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3889         (gimplify_modify_expr_to_memcpy): Mark source and destination
3890         addressable.
3891         * omp-low.c (create_omp_child_function): Mark the object decl
3892         TREE_ADDRESSABLE.
3893         (lower_rec_input_clauses): Mark the var we take the address of
3894         TREE_ADDRESSABLE.
3895         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3897 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3899         PR middle-end/39315
3900         * cfgexpand.c (expand_one_stack_var_at): Change alignment
3901         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3903 2009-03-27  Richard Guenther  <rguenther@suse.de>
3905         PR tree-optimization/39120
3906         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3907         constraints.
3908         (handle_lhs_call): Process return constraints.  Add escape
3909         constraints if necessary.
3910         (handle_const_call): Fill out return constraints.  Make nested
3911         case more precise.  Avoid consttmp if possible.
3912         (handle_pure_call): Fill out return constraints.  Avoid
3913         callused if possible.
3914         (find_func_aliases): Simplify call handling.
3916 2009-03-27  Richard Guenther  <rguenther@suse.de>
3918         PR tree-optimization/39120
3919         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3920         as a representative.
3921         (solve_graph): Do propagate CALLUSED.
3922         (handle_pure_call): Use a scalar constraint from CALLUSED for
3923         the return value.
3924         (find_what_p_points_to): CALLUSED shall not appear in poins-to
3925         solutions.
3927 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3929         PR c/39323
3930         * c-common.c (handle_aligned_attribute): Properly check alignment
3931         overflow.  Use (1U << i) instead of (1 << i).
3933         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3935         * expr.h (get_mem_align_offset): Updated.
3937         * tree.h (tree_decl_common): Change align to "unsigned int" and
3938         move it before pointer_alias_set.
3940 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3941             Jakub Jelinek  <jakub@redhat.com>
3943         PR target/38034
3944         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3945         gr_register_operand with gr_reg_or_0_operand.
3946         (cmpxchg_rel_di): Likewise.
3947         (sync_lock_test_and_set<mode>): Likewise.
3949 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3951         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3952         (true_regnum): Likewise.
3954         * rtlanal.c (subreg_info): Moved to ...
3955         * rtl.h (subreg_info): Here.  New.
3956         (subreg_get_info): New.
3958         * rtlanal.c (subreg_get_info): Make it extern.
3960 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3962         PR target/39472
3963         * config/i386/i386.c (ix86_abi): New.
3964         (override_options): Handle -mabi=.
3965         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3966         (ix86_call_abi_override): Likewise.
3967         (init_cumulative_args): Likewise.
3968         (function_arg_advance): Likewise.
3969         (function_arg_64): Likewise.
3970         (function_arg): Likewise.
3971         (ix86_pass_by_reference): Likewise.
3972         (ix86_function_value_regno_p): Likewise.
3973         (ix86_build_builtin_va_list_abi): Likewise.
3974         (setup_incoming_varargs_64): Likewise.
3975         (is_va_list_char_pointer): Likewise.
3976         (ix86_init_machine_status): Likewise.
3977         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3978         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
3979         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
3980         (ix86_function_abi): Make it static and return enum calling_abi.
3981         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
3982         with ix86_abi.
3983         (ix86_fn_abi_va_list): Updated.
3985         * config/i386/i386.h (ix86_abi): New.
3986         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3987         (CONDITIONAL_REGISTER_USAGE): Likewise.
3988         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3989         (machine_function): Likewise.
3991         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3992         with ix86_abi.
3993         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3994         (STACK_BOUNDARY): Likewise.
3995         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3997         * config/i386/i386.opt (mabi=): New.
3999         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
4000         return enum calling_abi.
4001         (ix86_function_type_abi): Likewise.
4002         (ix86_function_abi): Removed.
4004         * doc/invoke.texi: Document -mabi= option for x86.
4006 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4008         * builtins.c (real_dconstp): Delete.
4009         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
4011 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
4012             Jakub Jelinek  <jakub@redhat.com>
4014         PR debug/37959
4015         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
4016         (gen_subprogram_die): When a function is explicit, generate the
4017         DW_AT_explicit attribute.
4018         * langhooks.h (struct lang_hooks_for_decls): Add
4019         function_decl_explicit_p langhook.
4020         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
4021         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
4023 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
4025         * builtins.c (fold_builtin_memory_op): Optimize memmove
4026         into memcpy if we can prove source and destination don't overlap.
4028         * tree-inline.c: Include gt-tree-inline.h.
4029         (clone_fn_id_num): New variable.
4030         (clone_function_name): New function.
4031         (tree_function_versioning): Use it.
4032         * Makefile.in (GTFILES): Add tree-inline.c.
4034 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
4036         * BASE-VER: Change to 4.5.0.
4038 2009-03-27  Xinliang David Li  <davidxl@google.com>
4040         PR tree-optimization/39557
4041         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
4043 2009-03-27  Xinliang David Li  <davidxl@google.com>
4045         PR tree-optimization/39548
4046         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
4047         candidate check.
4049 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4051         * c-common.c (pointer_int_sum): Use %wd on return from
4052         tree_low_cst.
4054 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4056         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
4057         on return from tree_low_cst.
4059 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4061         PR c++/36799
4062         * ginclude/stdarg.h (va_copy): Define also for
4063         __GXX_EXPERIMENTAL_CXX0X__.
4065 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4067         PR c++/35652
4068         * builtins.h (c_strlen): Do not warn here.
4069         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
4070         * c-common.c (pointer_int_sum): Take an explicit location.
4071         Warn about offsets out of bounds.
4072         * c-common.h (pointer_int_sum): Adjust declaration.
4074 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4076         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
4077         markup glitch.
4079 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
4081         PR c++/39554
4082         * opts.c (warn_if_disallowed_function_p): Don't assume
4083         get_callee_fndecl must return non-NULL.
4085 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
4087         PR rtl-optimization/39522
4088         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
4089         when reg_reloaded_valid is set.
4091 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4093         * config/spu/divv2df3.c: New file.
4094         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
4095         (DPBIT_FUNCS): Filter out _div_df.
4097 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4099         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4100         a jump insn, count that jump in the distance to the loop start.
4102 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
4104         PR target/39523
4105         * config/sh/sh.c (calc_live_regs): Fix condition for global
4106         registers except PIC_OFFSET_TABLE_REGNUM.
4108 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
4110         PR/39518
4111         * doc/invoke.texi (-mconsole): New.
4112         (-mcygwin): New.
4113         (-mno-cygwin): New.
4114         (-mdll): New.
4115         (-mnop-fun-dllimport): New.
4116         (-mthread): New.
4117         (-mwin32): New.
4118         (-mwindows): New.
4119         (sub section "i386 and x86-64 Windows Options"): New.
4121 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
4123         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4124         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4126 2009-03-25  Richard Guenther  <rguenther@suse.de>
4128         PR middle-end/39497
4129         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4130         of -Wno-error.
4132 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
4134         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4135         neither of haifa/selective schedulers are working.
4137 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4139         * doc/invoke.texi (Debugging Options): Fix description of
4140         -fno-merge-debug-strings.
4142 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
4144         * config/cris/libgcc.ver: New version-script.
4145         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4147         * configure.ac <GAS features, nop mnemonic>: Add pattern
4148         crisv32-*-* for "nop".
4149         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4150         * configure: Regenerate.
4152 2009-03-24  Ira Rosen  <irar@il.ibm.com>
4154         PR tree-optimization/39529
4155         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4156         mark_sym_for_renaming for the tag copied to the new vector
4157         pointer.
4159 2009-03-24  Arthur Loiret  <aloiret@debian.org>
4161         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4162         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4163         EXTRA_SPEC_FUNCTIONS.
4164         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4165         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4166         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4167         -march and -mtune options.
4169 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
4171         * config/m68k/t-rtems: Add m5329 multilib.
4173 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
4174             Jakub Jelinek  <jakub@redhat.com>
4176         PR debug/39524
4177         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4178         nodes.
4180 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4182         PR c/39495
4183         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4184         instead of c_parser_expression_conv, if original_code isn't one of the
4185         4 allowed comparison codes, fail.
4187 2009-03-23  Richard Guenther  <rguenther@suse.de>
4189         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4190         * tree.h (struct tree_type): Likewise.
4191         * reload.h (struct insn_chain): Likewise.
4192         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4193         * function.h (struct function): Likewise.
4194         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4196 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4198         PR tree-optimization/39516
4199         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4201 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
4203         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
4204         should be set true if BITS_PER_WORD of target is bigger than 32
4206 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
4208         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4209         Translate -B-options to -rpath-link.  Correct existing
4210         rpath-link and conditionalize on !nostdlib.
4212 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4214         * doc/extend.texi (Function Attributes, Variable Attributes):
4215         Fix typos.
4216         * doc/invoke.texi (Debugging Options, Optimize Options)
4217         (i386 and x86-64 Options, MCore Options): Likewise.
4219 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
4221         PR debug/37890
4222         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4223         it for block local namespace aliases.
4224         (gen_decl_die): Pass context_die to gen_namespace_die.
4226 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4228         PR c/39495
4229         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4230         minimum or maximum value.
4232 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
4234         * reginfo.c (globalize_reg): Recompute derived reg sets.
4236 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
4238         PR target/39063
4239         * libgcc2.c (mprotect): Do not use signed arguments for
4240         VirtualProtect, use DWORD arguments.  Also fix the 'may
4241         be used uninitialized' warning for the np variable.
4243 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4245         PR target/39496
4246         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4247         functions using regparm calling conventions when not optimizing.
4248         (ix86_function_sseregparm): Similarly for sseregparm calling
4249         conventions.
4251 2009-03-19  Li Feng  <nemokingdom@gmail.com>
4253         PR middle-end/39500
4254         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4255         dependence if the first conflict is after niter iterations.
4257 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
4259         PR middle-end/38609
4260         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4261         functions with dynamic stack-pointer adjustments.
4263 2009-03-19  Ben Elliston  <bje@au.ibm.com>
4265         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4266         option; change to -msdata=data.
4268 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4270         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4271         and -fopenmp.
4273 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
4275         PR target/35180
4276         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4278 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
4280         * doc/invoke.texi (Code Gen Options): Expand discussion of
4281         -fno-common.
4283 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
4285         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4286         * matrix-reorg.c (struct matrix_info): Likewise.
4287         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4288         * rtl.h (struct mem_attrs): Likewise.
4289         * df.h (struct df): Likewise.
4290         * tree-data-ref.h (struct data_dependence_relation): Likewise.
4291         * ira-int.h (struct ira_allocno): Likewise.
4292         * df-scan.c (struct df_collection_rec): Likewise.
4293         * ira.c (struct equivalence): Likewise.
4294         * function.c (struct temp_slot): Likewise.
4295         * cfgloop.h (struct loop): Likewise.
4297         PR debug/39485
4298         * function.c (use_register_for_decl): When not optimizing, disregard
4299         register keyword for variables with types containing methods.
4301 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
4303         PR middle-end/39447
4304         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4305         (is_simple_operand): Call contains_component_ref_p before calling data
4306         reference analysis that would fail on COMPONENT_REFs.
4308         * tree-vrp.c (search_for_addr_array): Fix formatting.
4310 2009-03-18  Richard Guenther  <rguenther@suse.de>
4312         * tree-vect-transform.c (vect_loop_versioning): Fold the
4313         generated comparisons.
4314         * tree-vectorizer.c (set_prologue_iterations): Likewise.
4315         (slpeel_tree_peel_loop_to_edge): Likewise.
4317 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4319         PR middle-end/37805
4320         * opts.c (print_specific_help): In addition to `undocumented',
4321         accept `separate' and `joined' flags if passed alone.  Describe
4322         output by the first matched one of those.
4323         (common_handle_option): Skip over empty strings.
4324         * gcc.c (display_help): Fix help string for `--help='.
4325         * doc/invoke.texi (Option Summary, Overall Options): With
4326         `--help=', classes and qualifiers can both be repeated, but
4327         only the latter can be negated.  One should not pass only
4328         negated qualifiers.  Fix markup and examples.
4330         Revert
4331         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
4332         PR middle-end/37805
4333         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4334         and -fhelp=separate.
4336 2009-03-17  Jing Yu  <jingyu@google.com>
4338         PR middle-end/39378
4339         * function.h (struct rtl_data): Move is_thunk from here...
4340         (struct function): ...to here.
4341         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4342         * varasm.c (assemble_start_function): Change is_thunk from crtl to
4343         cfun.
4344         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4345         cfun.
4346         (alpha_does_function_need_gp, alpha_start_function): Likewise.
4347         (alpha_output_function_end_prologue): Likewise.
4348         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4349         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4350         (rs6000_output_function_epilogue): Likewise.
4351         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4353 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
4355         PR target/39482
4356         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4357         from different units in a single alternative.
4358         (*truncdfsf_i387): Ditto.
4359         (*truncxfsf2_mixed): Ditto.
4360         (*truncxfdf2_mixed): Ditto.
4362 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
4364         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4365         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4367         PR debug/39474
4368         * tree-ssa-live.c (remove_unused_locals): Don't remove local
4369         unused non-artificial variables when not optimizing.
4371         PR debug/39471
4372         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4373         DW_TAG_imported_module even if decl is IMPORTED_DECL with
4374         NAMESPACE_DECL in its DECL_INITIAL.
4376         PR middle-end/39443
4377         * optabs.c (set_user_assembler_libfunc): New function.
4378         * expr.h (set_user_assembler_libfunc): New prototype.
4379         * c-common.c: Include libfuncs.h.
4380         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4381         for memcmp, memset, memcpy, memmove and abort.
4382         * Makefile.in (c-common.o): Depend on libfuncs.h.
4384         PR debug/39412
4385         * dwarf2out.c (gen_inlined_enumeration_type_die,
4386         gen_inlined_structure_type_die, gen_inlined_union_type_die,
4387         gen_tagged_type_instantiation_die): Removed.
4388         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4389         do nothing.
4391 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
4393         PR testsuite/38526
4394         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4395         its use.
4396         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4397         (check-parallel-%): Ditto.
4398         (check-consistency): Ditto.
4400 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
4402         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4403         local variable rhs by NULL_TREE.
4405 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4407         PR target/39477
4408         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4410 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4412         PR target/39476
4413         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4415 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4417         PR target/39473
4418         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4419         for ms->sysv ABI calls only in 64bit mode.
4421         * config/i386/i386.md (untyped_call): Support 32bit.
4423 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
4425         * doc/extend.texi: Replace x86_65 with x86_64.
4427 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
4429         PR tree-optimization/39455
4430         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4431         mismatches for POINTER_TYPE_P (type).
4432         (number_of_iterations_le): Likewise.
4434 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
4436         * config/picochip/picochip.c: Removed profiling support.
4437         * config/picochip/picochip.md: Removed profiling instruction.
4438         * config/picochip/picochip.h: Removed profiling builtin.
4440 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
4442         * doc/install.texi (--with-host-libstdcxx): Document.
4444 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
4446         PR target/34299
4447         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4448         generate a warning if the function name does not begin with
4449         "__vector" and the function has either the 'signal' or 'interrupt'
4450         attribute, from here to ...
4451         (avr_declare_function_name): ...here. New function.
4452         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4453         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4455 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
4457         PR bootstrap/39454
4458         * cse.c (fold_rtx): Don't modify original const_arg1 when
4459         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4460         separate variable instead.
4461         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4462         from out of range shift counts.
4463         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4465 2008-03-13  Catherine Moore  <clm@codesourcery.com>
4467         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4468         diagnostic.h with $(DIAGNOSTIC_H).
4470 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
4472         PR target/39431
4473         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4474         predicate.
4475         * config/i386/sync.md (sync_compare_and_swap<mode>,
4476         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4477         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4478         into a register.
4479         (sync_double_compare_and_swapdi_pic,
4480         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4481         cmpxchg8b_pic_memory_operand instead of just memory_operand.
4483 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4485         PR target/39445
4486         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4488 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4490         PR target/39327
4491         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4492         (avx_addsubv4df3): Likewise.
4493         (*avx_addsubv4sf3): Likewise.
4494         (sse3_addsubv4sf3): Likewise.
4496 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4498         PR target/38824
4499         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4501 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
4503         PR debug/39432
4504         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4505         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4506         registers for allocnos created from user-defined variables.
4508 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4510         PR target/39181
4511         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4512         of non-integer mode as well.
4514 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
4516         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4517         for functions for which the parameter types are unknown.
4519 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
4521         PR target/39137
4522         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4523         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4524         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4525         * config/i386/i386.c (ix86_local_alignment): For
4526         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4527         long long variables on the stack to avoid dynamic realignment.
4528         Allow the first argument to be a decl rather than type.
4529         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4531 2009-03-11  Nick Clifton  <nickc@redhat.com>
4533         PR target/5362
4534         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4535         options.
4536         Add description to mno-lsim option.
4537         * config/mcore/mcore.h: Remove comment about deprecated m4align
4538         option.
4539         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4540         * doc/invoke.texi: Add description of mno-lsim and
4541         mstack-increment options.
4543         * config/fr30/fr30.opt: Document the -mno-lsim option.
4544         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4545         and -mno-lsim options.
4547 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4549         * fold-const.c (fold_comparison): Only call fold_inf_compare
4550         if the mode supports infinities.
4552 2009-03-11  Jason Merrill  <jason@redhat.com>
4554         PR debug/39086
4555         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4556         end already did.  Notice GIMPLE_CALL modifications of the result.
4557         Don't copy debug information from an ignored decl or a decl from
4558         another function.
4560 2009-03-10  Richard Guenther  <rguenther@suse.de>
4561             Nathan Froyd  <froydnj@codesourcery.com>
4563         PR middle-end/37850
4564         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4565         (__divMODE3): Likewise.
4567 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
4569         PR tree-optimization/39394
4570         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4571         DECL_SIZE_UNIT of variable length FIELD_DECLs.
4573 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4575         * recog.c (verfiy_changes): Disallow renaming of hard regs in
4576         inline asms for register asm ("") declarations.
4578 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
4580         * fold-const.c (fold_unary): Fix comment.
4582 2009-03-07  Jan Hubicka  <jh@suse.cz>
4584         PR target/39361
4585         * tree-inline.c (setup_one_parameter): Do replacement of const
4586         argument by constant in SSA form.
4588 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4590         PR middle-end/38028
4591         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4592         determine alignment passed to assign_stack_local.
4593         (assign_parms_unsplit_complex): Likewise.
4594         * except.c (sjlj_build_landing_pads): Likewise.
4596 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4598         PR middle-end/39360
4599         * tree-flow.h (add_referenced_var): Return bool instead of void.
4600         * tree-dfa.c (add_referenced_var): Return result of
4601         referenced_var_check_and_insert call.
4602         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4603         of referenced_var_check_and_insert.
4605         PR debug/39372
4606         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4607         (gen_variable_die): Emit DW_AT_location on abstract static variable's
4608         DIE, don't emit it if abstract origin already has it.
4609         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4610         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4612 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4614         * genpreds.c (needs_variable): Fix parentheses at variable name
4615         detection.
4616         (write_tm_constrs_h): Indent generated code.
4618 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4620         * doc/extend.texi (Function Attributes): Add documentation
4621         for isr attributes.
4623 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4625         PR debug/39387
4626         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4627         take locus from its DECL_SOURCE_LOCATION instead of input_location.
4629 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4631         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4632         the loop as bad.
4634 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
4636         PR debug/39379
4637         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4638         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4640 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
4642         * config/i386/i386.md (R8_REG, R9_REG): New constants.
4643         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4644         constants instead of magic numbers.
4645         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4646         (QI_REG_P): Ditto.
4647         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4648         (x86_64_ms_abi_int_parameter_registers): Ditto.
4649         (x86_64_int_return_registers): Ditto.
4650         (ix86_maybe_switch_abi): Ditto.
4651         (ix86_expand_call): Ditto for clobbered_registers array.
4652         (ix86_hard_regno_mode_ok): Ditto.
4653         (x86_extended_QIreg_mentioned_p): Ditto.
4655 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
4657         PR tree-optimization/39349
4658         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4660         * combine.c (gen_lowpart_for_combine): Use omode when generating
4661         clobber.
4663 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
4665         PR rtl-optimization/39235
4666         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4668 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4670         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4672 2009-03-04  Richard Guenther  <rguenther@suse.de>
4674         PR tree-optimization/39362
4675         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4676         that occur in abnormal PHIs should be varying.
4678 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4680         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4681         Extend comments.
4682         (simple_iv):  Take loop as an argument instead of statement.
4683         * tree-scalar-evolution.h (simple_iv): Declaration changed.
4684         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4685         to simple_iv.
4686         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4687         Ditto.
4688         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4689         * matrix-reorg.c (analyze_transpose): Ditto.
4690         * tree-data-ref.c (dr_analyze_innermost): Ditto.
4691         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4692         * tree-predcom.c (ref_at_iteration): Ditto.
4693         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4695 2009-03-04  Richard Guenther  <rguenther@suse.de>
4697         PR tree-optimization/39358
4698         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4699         escaped_id and callused_id.
4700         (solve_graph): Likewise.
4702 2009-03-04  Richard Guenther  <rguenther@suse.de>
4704         PR tree-optimization/39339
4705         * tree-sra.c (try_instantiate_multiple_fields): Make it
4706         no longer ICE on the above.
4708 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
4710         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4711         that fits within Pmode.
4713 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4715         PR middle-end/10109
4716         * tm.texi (LIBCALL_VALUE): Update description.
4718 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4720         PR middle-end/34443
4721         * doc/extend.texi (section): Update description.
4723 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
4725         PR middle-end/39345
4726         * tree-inline.c (remapped_type): New.
4727         (can_be_nonlocal): Call remapped_type instead of remap_type.
4729 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4731         PR fortran/39354
4732         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4733         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4735 2009-03-03  Richard Guenther  <rguenther@suse.de>
4737         PR middle-end/39272
4738         * tree.c (tree_nonartificial_location): New function.
4739         * tree.h (tree_nonartificial_location): Declare.
4740         * builtins.c (expand_builtin_memory_chk): Provide location
4741         of the call location for artificial function pieces.
4742         (maybe_emit_chk_warning): Likewise.
4743         (maybe_emit_sprintf_chk_warning): Likewise.
4744         (maybe_emit_free_warning): Likewise.
4745         * expr.c (expand_expr_real_1): Likewise.
4747 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4749         PR tree-optimization/39343
4750         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4751         COMPONENT_REF t has ARRAY_TYPE.
4753 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4755         PR middle-end/39335
4756         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4757         when the type precision of the induction variable should be
4758         larger than the type precision of nit.
4759         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4760         * graphite.c (graphite_loop_normal_form): Same.
4761         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4763 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4765         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4766         (*call_1_rex64_ms_sysv): Use named constants instead of magic
4767         numbers to describe clobbered registers.
4768         (*call_value_0_rex64_ms_sysv): Ditto.
4769         * config/i386/mmx.md (mmx_emms): Ditto.
4770         (mmx_femms): Ditto.
4772 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
4774         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4775         of ABI_64.
4777 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4779         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4780         (spu_section_type_flags): New function.
4782 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4784         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4785         reg_class_contents of FLOAT_REGS into a temporary.
4787 2009-03-02  Richard Guenther  <rguenther@suse.de>
4788             Ira Rosen  <irar@il.ibm.com>
4790         PR tree-optimization/39318
4791         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4792         information to the vectorized statement.
4794 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
4796         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4797         variable.  Use defined names instead of magic constants for REX SSE
4798         registers.
4800 2009-03-01  Richard Guenther  <rguenther@suse.de>
4802         PR tree-optimization/39331
4803         * omp-low.c (lower_send_shared_vars): Do not receive new
4804         values for the reference of DECL_BY_REFERENCE parms or results.
4806 2009-03-01  Jan Hubicka  <jh@suse.cz>
4808         PR debug/39267
4809         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4810         BLOCK_NONLOCALIZED_VAR): New macros.
4811         (tree_block): Add nonlocalized_vars.
4812         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4813         gen_decl_die): Add origin argument.  Allow generation of die with
4814         origin at hand only.
4815         (gen_member_die, gen_type_die_with_usage, force_decl_die,
4816         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4817         of gen_*.
4818         (gen_block_die): Fix checking for unused blocks.
4819         (process_scope_var): Break out from .... ; work with origins only.
4820         (decls_for_scope) ... here; process nonlocalized list.
4821         (dwarf2out_ignore_block): Look for nonlocalized vars.
4822         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4823         vars.
4824         (dump_scope_block): Dump them.
4825         * tree-inline.c (remap_decls): Handle nonlocalized vars.
4826         (remap_block): Likewise.
4827         (can_be_nonlocal): New predicate.
4828         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4830 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4832         * configure: Regenerate.
4834 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4836         * optc-gen.awk: No need to duplicate option flags twice.
4837         Reuse help texts for duplicate options which do not have any.
4839         * gcc.c (display_help): Document --version.
4841         * gcc.c (main): If print_help_list and verbose_flag, ensure
4842         driver output comes before subprocess output.
4844         * optc-gen.awk: Assign all remaining fields to help string,
4845         space-separated, for multi-line help in *.opt.
4847         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4848         -Wno-pedantic-ms-format is for MinGW targets only.
4850         * doc/options.texi (Option file format): Fix bad indentation,
4851         restoring dropped sentence.
4853 2009-02-28  Jan Hubicka  <jh@suse.cz>
4855         * tree-inline.c (tree_function_versioning): Output debug info.
4857 2009-02-28  Jan Hubicka  <jh@suse.cz>
4859         PR debug/39267
4860         * tree-inline.c (setup_one_parameter): Do not copy propagate
4861         arguments when not optimizing.
4863 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
4865         PR target/39327
4866         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4867         (avx_addsubv4df3): Likewise.
4868         (*avx_addsubv4sf3): Likewise.
4869         (sse3_addsubv4sf3): Likewise.
4870         (*avx_addsubv2df3): Likewise.
4871         (sse3_addsubv2df3): Likewise.
4872         (avx_unpckhps256): Correct item selectors.
4873         (avx_unpcklps256): Likewise.
4874         (avx_unpckhpd256): Likewise.
4875         (avx_unpcklpd256): Likewise.
4877 2009-02-28  Jan Hubicka  <jh@suse.cz>
4879         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4880         static vars.
4881         (copy_arguments_for_versioning): If var is declared don't declare it.
4882         (tree_function_versioning): First setup substitutions and then copy
4883         args.
4885 2009-02-27  Jan Hubicka  <jh@suse.cz>
4887         PR debug/39267
4888         * cgraph.h (varpool_output_debug_info): Remove.
4889         * cgraphunit.c (varpool_output_debug_info): Remove.
4890         * dwarf2out.c (deferred_locations_struct): New struct
4891         (deferred_locations): New type.
4892         (deferred_locations_list): New static var.
4893         (deffer_location): New function.
4894         (gen_variable_die): Use it.
4895         (decls_for_scope): Output info on local static vars.
4896         (dwarf2out_finish): Process deferred locations.
4897         * varpool.c (varpool_output_debug_info): Remove.
4899 2009-02-27  Jan Hubicka  <jh@suse.cz>
4901         PR debug/39267
4902         * tree.h (TREE_PROTECTED): Fix comment.
4903         (BLOCK_HANDLER_BLOCK): Remove.
4904         (struct tree_block): Remove handler_block add body_block.
4905         (inlined_function_outer_scope_p): New.
4906         (is_body_block): Remove.
4907         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4908         * dwarf2out.c (is_inlined_entry_point): Remove.
4909         (add_high_low_attributes): Use inlined_function_outer_scope_p.
4910         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
4911         code.
4912         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4913         * gimplify.c (gimplify_expr): Gimplify body blocks.
4914         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4915         block with multiple subblocks.
4916         (dump_scope_block): Prettier output; dump more flags and info.
4917         (dump_scope_blocks): New.
4918         (remove_unused_locals): Use dump_scope_blocks.
4919         * tree-flow.h (dump_scope_blocks): Declare.
4920         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4921         * stmt.c (is_body_block): Remove.
4922         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4923         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4925 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4927         PR middle-end/39308
4928         * graphite.c (graphite_loop_normal_form): Do not call 
4929         number_of_iterations_exit from a gcc_assert.
4931 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4933         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4934         jumps if COND is NULL.
4935         (find_cond_jump): New function.
4936         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4937         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4939 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
4941         * config/alpha/alpha.h (alpha_expand_mov): Return false if
4942         force_const_mem returns NULL_RTX.
4944 2009-02-26  Jan Hubicka  <jh@suse.cz>
4946         PR debug/39267
4947         * cgraph.h (varpool_output_debug_info): Remove.
4948         * cgraphunit.c (varpool_output_debug_info): Remove.
4949         * dwarf2out.c (deferred_locations_struct): New struct
4950         (deferred_locations): New type.
4951         (deferred_locations_list): New static var.
4952         (deffer_location): New function.
4953         (gen_variable_die): Use it.
4954         (decls_for_scope): Output info on local static vars.
4955         (dwarf2out_finish): Process deferred locations.
4956         * varpool.c (varpool_output_debug_info): Remove.
4958 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
4960         PR rtl-optimization/39241
4961         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4962         to subreg_offset_representable_p.
4964 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4966         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4967         execute function prototype.  Get f and nregs from max_reg_num
4968         and get_insns.  Remove the first backward pass as it's dead,
4969         guard the forward pass by flag_expensive_optimizations.
4970         (rest_of_handle_regmove): Delete.
4971         (pass_regmove): Replace it with regmove_optimize.
4973 2009-02-25  Martin Jambor  <mjambor@suse.cz>
4975         PR tree-optimization/39259
4976         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4977         calls_alloca function flags.
4978         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4979         calls are detected.
4981 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4983         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4984         flags_set_1_rtx, flags_set_1_set): Delete.
4985         (regmove_optimize): Do not call mark_flags_life_zones.
4987 2009-02-24  Julian Brown  <julian@codesourcery.com>
4989         PR target/35965
4990         * config/arm/arm.c (require_pic_register): Only set
4991         cfun->machine->pic_reg once per function.
4993 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
4995         * doc/invoke.texi (Link Options): Document an easier way to pass
4996         options that take arguments to the GNU linker using -Xlinker and -Wl.
4998 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
5000         PR target/33785
5001         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
5003 2009-02-24  Richard Guenther  <rguenther@suse.de>
5005         PR debug/39285
5006         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
5008 2009-02-24  Richard Guenther  <rguenther@suse.de>
5009             Zdenek Dvorak  <ook@ucw.cz>
5011         PR tree-optimization/39233
5012         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
5013         from converting them to a generic type.
5015 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5017         PR tree-optimization/39260
5018         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
5019         contains a condition with a real type.
5020         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
5022 2009-02-23  Jason Merrill  <jason@redhat.com>
5024         PR c++/38880
5025         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
5026         narrowing_initializer_constant_valid_p.
5027         (narrowing_initializer_constant_valid_p): Don't return 
5028         null_pointer_node for adding a pointer to itself.
5030 2009-02-23  Jan Hubicka  <jh@suse.cz>
5032         PR c/12245
5033         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
5034         resizing.
5036 2009-02-23  Jan Hubicka  <jh@suse.cz>
5038         PR tree-optimization/37709
5039         * tree.c (block_ultimate_origin): Move here from dwarf2out.
5040         * tree.h (block_ultimate_origin): Declare.
5041         * dwarf2out.c (block_ultimate_origin): Move to tree.c
5042         * tree-ssa-live.c (remove_unused_scope_block_p):
5043         Eliminate blocks containig no instructions nor live variables nor
5044         nested blocks.
5045         (dump_scope_block): New function.
5046         (remove_unused_locals): Enable removal of dead blocks by default;
5047         enable dumping at TDF_DETAILS.
5049 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5051         * config/i386/i386.c (classify_argument): Don't allow COImode
5052         and OImode.
5053         (function_arg_advance_32): Don't allow OImode.
5054         (function_arg_32): Likewise.
5055         (function_value_32): Likewise.
5056         (return_in_memory_32): Likewise.
5057         (function_arg_64): Remove OImode comment.
5059 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5061         PR target/39261
5062         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
5063         ix86_expand_vector_set for V4DImode in 64bit mode only.
5064         (ix86_expand_vector_init_one_var): Likewise.
5066 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5068         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
5070 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5072         PR bootstrap/39257
5073         * loop-iv.c: Revert last change.
5074         * emit-rtl.c: Likewise.
5076 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5078         PR target/39256
5079         * config/i386/i386.c (type_natural_mode): Remove an extra
5080         space in the warning message.
5081         (function_value_32): Handle 32-byte vector modes.
5082         (return_in_memory_32): Likewise.
5084 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5086         * loop-iv.c (truncate_value): New function.
5087         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
5088         of lowpart_subreg.
5089         (lowpart_subreg): Move to...
5090         * emit-rtl.c: ...here.
5092 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
5094         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
5095         accidental and undocumented change at revision 140860.
5097 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
5099         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
5100         take gimple_seq * arguments.
5101         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5102         types_compatible_p langhook.
5104 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
5105             Joseph Myers  <joseph@codesourcery.com>
5107         * config/arm/arm.c (arm_builtin_va_list): New function.
5108         (arm_expand_builtin_va_start): Likewise.
5109         (arm_gimplify_va_arg_expr): Likewise.
5110         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5111         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5112         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5113         (va_list_type): New variable.
5114         (arm_mangle_type): Mangle va_list_type appropriately.
5116 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5118         PR middle-end/39157
5119         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5120         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5121         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5122         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5123         parameter to 1000 for -O1 by default.
5124         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5125         parameter.
5126         * loop-invariant.c: Include params.h.
5127         (move_loop_invariants): Don't call move_single_loop_invariants on
5128         very large loops.
5130 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
5132         * calls.c (emit_library_call_value_1): Use slot_offset instead of
5133         offset when calculating bounds for indexing stack_usage_map.  Fixes
5134         a buffer overflow with certain target setups.
5136 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5138         PR target/39240
5139         * calls.c (expand_call): Clear try_tail_call if caller and callee
5140         disagree in promotion of function return value.
5142 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
5144         PR target/39175
5145         * c-common.c (c_determine_visibility): If visibility changed and
5146         DECL_RTL has been already set, call make_decl_rtl to update symbol
5147         flags.
5149 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
5151         PR c++/39188
5152         * varasm.c (assemble_variable): Don't check DECL_NAME when
5153         globalizing a variable.
5155 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
5157         PR c/38483
5158         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5159         expression before any __builtin_trap call.
5160         * c-typeck.c (build_function_call): Convert and check function
5161         arguments before generating a call to a trap.  Evaluate the
5162         function arguments before the trap.
5164 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
5166         PR target/39228
5167         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5168         (UNSPEC_FXAM_MEM): New unspec.
5169         (fxam<mode>2_i387_with_temp): New insn and split pattern.
5170         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
5171         memory using fxam<mode>2_i387_with_temp to remove excess precision.
5173 2009-02-19  Richard Guenther  <rguenther@suse.de>
5175         PR tree-optimization/39207
5176         PR tree-optimization/39074
5177         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5178         storedanything_tree): New.
5179         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
5180         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5181         (build_succ_graph): Add edges from STOREDANYTHING to all
5182         non-direct nodes.
5183         (init_base_vars): Initialize STOREDANYTHING.
5184         (compute_points_to_sets): Free substitution info after
5185         building the succ graph.
5186         (ipa_pta_execute): Likewise.
5188         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5189         field.
5190         (do_ds_constraint): Do not add to special var or non-pointer
5191         field solutions.
5192         (type_could_have_pointers): Split out from ...
5193         (could_have_pointers): ... here.  For arrays use the element type.
5194         (create_variable_info_for): Initialize may_have_pointers.
5195         (new_var_info): Likewise.
5196         (handle_lhs_call): Make the HEAP variable unknown-sized.
5197         (intra_create_variable_infos): Use a type with pointers for
5198         PARM_NOALIAS, make it unknown-sized.
5200 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
5202         PR target/39224
5203         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5205 2009-02-18  Jason Merrill  <jason@redhat.com>
5207         PR target/39179
5208         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5209         value if DECL_EXTERNAL.
5210         * tree-sra.c (sra_walk_gimple_assign): Likewise.
5211         * target.h (gcc_target::binds_local_p): Clarify "module".
5212         * tree.h (TREE_PUBLIC): Clarify "module".
5214 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
5216         PR target/38891
5217         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5218         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5220 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
5222         PR target/39082
5223         * c.opt (Wabi): Support C and ObjC.
5224         (Wpsabi): New.
5226         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5228         * config/i386/i386.c (classify_argument): Warn once about the ABI
5229         change when passing union with long double.
5231         * doc/invoke.texi: Update -Wabi for warning psABI changes.
5233 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
5235         PR c/35447
5236         * c-parser.c (c_parser_compound_statement): Always enter and leave
5237         a scope.
5239 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5241         PR target/34587
5242         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5244 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
5246         PR tree-optimization/36922
5247         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5248         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5249         Likewise.
5251 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5253         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5254         to 0 for EABI64.
5256 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5258         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5260 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5262         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5263         tree sharing.
5265 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
5266             Richard Sandiford  <rdsandiford@googlemail.com>
5268         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5269         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5270         (loongson_biadd): ...this.
5272 2009-02-17  Richard Guenther  <rguenther@suse.de>
5274         PR tree-optimization/39202
5275         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5276         a var make sure to follow existing collapses.
5278 2009-02-17  Richard Guenther  <rguenther@suse.de>
5280         PR middle-end/39214
5281         * langhooks.c (lhd_print_error_function): Check for NULL block.
5283 2009-02-17  Richard Guenther  <rguenther@suse.de>
5285         PR tree-optimization/39204
5286         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5287         of the PHI arg.
5289 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
5291         * config/soft-fp/double.h: Update from glibc CVS.
5293 2009-02-17  Richard Guenther  <rguenther@suse.de>
5295         PR tree-optimization/39207
5296         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5297         strict-aliasing warnings for pointers pointing to NULL.
5299 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
5301         PR c/35446
5302         * c-parser.c (c_parser_braced_init): Call pop_init_level when
5303         skipping until next close brace.
5305 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5307         PR target/37049
5308         * config/i386/i386.c (ix86_expand_push): Set memory alignment
5309         to function argument boundary.
5311 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
5313         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5314         in the lea_add. Reload eventually constraints it properly.
5315         * config/picochip/constraints.md : Remove the target constraint
5316         "b", since it is not needed anymore.
5318 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
5320         * gthr-dce.h: Uglify function parameter and local variable names.
5321         * gthr-gnat.h: Likewise.
5322         * gthr-mipssde.h: Likewise.
5323         * gthr-nks.h: Likewise.
5324         * gthr-posix95.h: Likewise.
5325         * gthr-posix.h: Likewise.
5326         * gthr-rtems.h: Likewise.
5327         * gthr-single.h: Likewise.
5328         * gthr-solaris.h: Likewise.
5329         * gthr-tpf.h: Likewise.
5330         * gthr-vxworks.h: Likewise.
5331         * gthr-win32.h: Likewise.
5333 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
5335         PR target/39196
5336         * config/i386/i386.md: Restrict the new peephole2 to move
5337         between MMX/SSE registers.
5339 2009-02-15  Richard Guenther  <rguenther@suse.de>
5341         Revert
5342         2009-02-13  Richard Guenther  <rguenther@suse.de>
5344         * configure.ac: Enable LFS.
5345         * configure: Re-generate.
5346         * config.in: Likewise.
5348 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5350         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5351         spu_srqwbyte, spu_srqwbytebc): Define.
5352         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5353         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5354         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5355         "shrqby_<mode>"): New insn-and-split patterns.
5356         * config/spu/spu.c (expand_builtin_args): Determine and return
5357         number of operands using spu_builtin_description data.
5358         (spu_expand_builtin_1): Use it.
5360 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
5362         PR target/38056
5363         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5364         TARGET_CONST_GP.
5366 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5368         PR target/39149
5369         * config/i386/i386.c (override_options): Correct warning
5370         messages for -malign-loops, -malign-jumps and -malign-functions.
5372 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5374         PR target/39152
5375         * config/i386/i386.md: Restrict the new peephole2 to move
5376         between the general purpose registers.
5378 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5380         PR target/39162
5381         * config/i386/i386.c (type_natural_mode): Add a new argument.
5382         Return the original mode and warn ABI change if vector size is 32byte.
5383         (function_arg_advance): Updated.
5384         (function_arg): Likewise.
5385         (ix86_function_value): Likewise.
5386         (ix86_return_in_memory): Likewise.
5387         (ix86_sol10_return_in_memory): Likewise.
5388         (ix86_gimplify_va_arg): Likewise.
5389         (function_arg_32): Don't warn ABX ABI change here.
5390         (function_arg_64): Likewise.
5392 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
5394         * loop-iv.c (implies_p): In the final case, test that operands 0
5395         of the two comparisons match.
5397         * config/bfin/bfin.c (find_prev_insn_start): New function.
5398         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5399         (find_next_insn_start): Move.
5401 2009-02-13  Richard Guenther  <rguenther@suse.de>
5403         * configure.ac: Enable LFS.
5404         * configure: Re-generate.
5405         * config.in: Likewise.
5407 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
5409         PR c/35444
5410         * c-parser.c (c_parser_parms_list_declarator): Discard pending
5411         sizes on syntax error after some arguments have been parsed.
5413 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5415         * doc/invoke.texi (-fira): Remove.
5417 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5419         * caller-save.c: Replace regclass.c with reginfo.c in comments.
5420         * recog.c: Likewise.
5421         * rtl.h: Likewise.
5423 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
5425         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5426         (umul_ppmm): Likewise.
5427         (count_leading_zeros): Likewise.
5428         (count_trailing_zeros): Likewise.
5429         (UMUL_TIME): Likewise.
5431 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5433         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5434         soft-fp/t-softfp to tmake_file.
5436         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5437         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5438         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5439         IA64_BUILTIN_INFQ]: New.
5440         (ia64_init_builtins): Initialize __builtin_infq,
5441         __builtin_fabsq and __builtin_copysignq if not HPUX.
5442         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5443         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5445         * config/ia64/lib1funcs.asm (__divtf3): Define only if
5446         SHARED is defined.
5447         (__fixtfti): Likewise.
5448         (__fixunstfti): Likewise.
5449         (__floattitf): Likewise.
5451         * config/ia64/libgcc-glibc.ver: New.
5452         * config/ia64/t-fprules-softfp: Likewise.
5453         * config/ia64/sfp-machine.h: Likewise.
5455         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5456         (LIBGCC2_TF_CEXT): Likewise.
5457         (TF_SIZE): Likewise.
5458         (TARGET_INIT_LIBFUNCS): Likewise.
5460         * config/ia64/t-glibc (SHLINB_MAPFILES):
5461         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5463 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5465         * config/i386/i386.c (construct_container): Rewrite processing
5466         BLKmode with X86_64_SSE_CLASS.
5468 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
5470         PR target/39152
5471         * config/i386/i386.md: Replace simplify_replace_rtx with
5472         replace_rtx in the new peephole2.
5474 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
5476         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5477         loop unrolling do not happen at -O2.
5479 2009-02-12  Michael Matz  <matz@suse.de>
5481         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5483 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5485         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5486         for -g3.
5488 2009-02-12  Ben Elliston  <bje@au.ibm.com>
5490         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5491         patterns when updating the back chain.  Missed in the 2009-02-10
5492         change.
5494 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
5496         * doc/extend.texi (Decimal Floating Types): Update identifier of
5497         draft TR and list of missing support.
5499 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
5501         PR middle-end/39154
5502         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5503         bit to variable length decl's flags, add it also to its
5504         pointer replacement variable.
5506 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
5507             Jakub Jelinek  <jakub@redhat.com>
5509         PR target/39118
5510         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5511         (memory_blockage): New expander.
5512         (*memory_blockage): New insn pattern.
5513         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5514         instead of general blockage at the end of function prologue when
5515         frame pointer is used to access red zone area.  Do not emit blockage
5516         when profiling, it is emitted in generic code.
5517         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5518         function epilogue when frame pointer is used to access red zone area.
5520 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
5522         PR target/38824
5523         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5524         by arithmetic with memory operands.
5525         * config/i386/predicates.md (commutative_operator): New.
5527 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
5529         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5530         bulleted lists.
5532 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5534         * alias.h (record_alias_subset): Declare.
5535         * alias.c (record_alias_subset): Make global.
5537 2009-02-10  Nick Clifton  <nickc@redhat.com>
5539         * tree-parloops.c: Change license to GPLv3.
5540         * ipa-struct-reorg.c: Change license to GPLv3.
5541         * ipa-struct-reorg.h: Change license to GPLv3.
5543 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
5545         PR c/39084
5546         * c-decl.c (start_struct): Return NULL on error.
5548 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
5550         PR middle-end/39124
5551         * cfgloopmanip.c (remove_path): Call remove_bbs after
5552         cancel_loop_tree, not before it.
5554         PR target/39139
5555         * function.h (struct function): Add has_local_explicit_reg_vars bit.
5556         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5557         VAR_DECLs were seen.
5558         * tree-ssa-live.c (remove_unused_locals): Recompute
5559         cfun->has_local_explicit_reg_vars.
5560         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5561         copies or clearings if cfun->has_local_explicit_reg_vars.
5563 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
5565         PR target/39118
5566         * config/i386/i386.c (expand_prologue): Emit blockage at the end
5567         of function prologue when frame pointer is used to access
5568         red zone area.
5570 2009-02-10  Richard Guenther  <rguenther@suse.de>
5572         PR middle-end/39127
5573         * gimplify.c (gimple_regimplify_operands): Always look if
5574         we need to create a temporary.
5576 2009-02-10  Richard Guenther  <rguenther@suse.de>
5578         PR tree-optimization/39132
5579         * tree-loop-distribution.c (todo): New global var.
5580         (generate_memset_zero): Trigger TODO_rebuild_alias.
5581         (tree_loop_distribution): Return todo.
5583 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
5585         PR target/39119
5586         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5587         (x86_64_reg_class_name): Removed.
5588         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
5589         first one isn't X86_64_SSE_CLASS or any other ones aren't
5590         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
5591         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5592         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
5593         and 3 X86_64_SSEUP_CLASS.
5594         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
5595         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5597 2009-02-10  Ben Elliston  <bje@au.ibm.com>
5599         * config/rs6000/rs6000.md (allocate_stack): Always use an update
5600         form instruction to update the stack back chain word, even if the
5601         user has disabled the generation of update instructions.
5602         (movdi_<mode>_update_stack): New.
5603         (movsi_update_stack): Likewise.
5604         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5605         always use an update form instruction to update the stack back
5606         chain word.
5608 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
5610         PR middle-end/38953
5611         * graphite.c (if_region_set_false_region): After moving a region in
5612         the false branch of a condition, remove the empty dummy basic block.
5613         (gloog): Remove wrong fix for PR38953.
5615 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5617         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5618         generation due to implicit sign extension.
5620 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
5622         PR middle-end/38981
5623         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5624         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5626 2009-02-09  Richard Guenther  <rguenther@suse.de>
5628         PR middle-end/35202
5629         * convert.c (convert_to_real): Disable (float)fn((double)x)
5630         to fnf(x) conversion if errno differences may occur and
5631         -fmath-errno is set.
5633 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
5635         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5636         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5637         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5639 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5641         PR c/35434
5642         * c-common.c (handle_alias_attribute): Disallow attribute for
5643         anything not a FUNCTION_DECL or VAR_DECL.
5645 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
5647         PR c/39035
5648         * real.c (do_compare): Special-case compare of zero against
5649         decimal float value.
5651 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5653         PR c/36432
5654         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5655         as indicating flexible array members unless the field itself is
5656         being declarared as the incomplete array.
5658 2009-02-06  Jan Hubicka  <jh@suse.cz>
5660         PR tree-optimization/38844
5661         * ipa-inline.c (try_inline): Stop inlining recursion when edge
5662         is already inlined.
5664 2009-02-06  Richard Guenther  <rguenther@suse.de>
5666         PR middle-end/38977
5667         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5668         fork because we may expand it as __gcov_fork.
5670 2009-02-06  Nick Clifton  <nickc@redhat.com>
5672         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5674 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
5676         PR tree-optimization/35659
5677         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5678         vn_phi_eq): Shortcut if hashcode does not match.
5679         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5680         NULL operands.
5681         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5682         and avoid iterative_hash_expr.
5683         (FOR_EACH_VALUE_ID_IN_SET): New.
5684         (value_id_compare): Remove.
5685         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5686         sort expressions by value id.
5688 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
5690         PR target/38991
5691         * config/sh/predicates.md (general_movsrc_operand): Don't check
5692         the subreg of system registers here.
5694 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
5696         PR c++/39106
5697         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5698         on the copied decl.
5700 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
5702         PR rtl-optimization/39110
5703         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5704         addresses, not aligned ones.
5706 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
5707             Richard Guenther  <rguenther@suse.de>
5709         PR tree-optimization/39100
5710         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5711         comment says and add edges.
5713 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
5715         PR c/35435
5716         * c-common.c (handle_tls_model_attribute): Ignore attribute for
5717         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5719 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
5721         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5722         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5723         register_bb_in_sese, new_sese, free_sese): Moved.
5724         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5725         outermost_loop_in_scop, build_scop_iteration_domain,
5726         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5727         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5728         Use loop_in_sese_p instead of loop_in_scop_p.
5729         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5730         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5731         (scopdet_basic_block_info): Fix bug in scop detection.
5732         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5733         eq_loop_to_cloog_loop): Remove.
5734         (nb_loops_around_loop_in_scop, nb_loop
5735         ref_nb_loops): Moved here...
5736         * graphite.h (ref_nb_loops): ... from here.
5737         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5738         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5739         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5740         * testsuite/gcc.dg/graphite/scop-19.c: New
5742 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
5743             Hans-Peter Nilsson  <hp@axis.com>
5745         PR rtl-optimization/37889
5746         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5747         Move offset handling from PLUS to before the switch.  Use new
5748         arguments when considering SYMBOL_REFs too.
5749         (rtx_addr_can_trap_p): Pass dummy offset and size.
5750         (enum may_trap_p_flags): Remove.
5751         (may_trap_p_1): Pass size from MEM_SIZE.
5753         PR rtl-optimization/38921
5754         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5755         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5756         * rtlanal.c (may_trap_after_code_motion_p): Delete.
5757         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5759 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
5761         AVX Programming Reference (January, 2009)
5762         * config/i386/sse.md (*vpclmulqdq): New.
5764 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
5766         PR tree-optimization/38977
5767         PR gcov-profile/38292
5768         * calls.c (special_function_p): Disregard __builtin_ prefix.
5770 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
5772         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5773         non-indexable addresses even before reload.
5775 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5777         PR c/29129
5778         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5779         as having variable size.  Do not give an error for unnamed
5780         parameters with [*] declarators.  Give a warning for type names
5781         with [*] declarators and mark them as variable size.
5782         * c-parser.c (c_parser_sizeof_expression): Do not give an error
5783         for sizeof applied to [*] type names.
5785 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5787         PR C++/36607
5788         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5790 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5792         * gcc.c (process_command): Update copyright notice dates.
5793         * gcov.c (print_version): Likewise.
5794         * gcov-dump.c (print_version): Likewise.
5795         * mips-tfile.c (main): Likewise.
5796         * mips-tdump.c (main): Likewise.
5798 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5800         PR c/35433
5801         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5802         for composite type involving a zero-length array type.
5804 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5806         PR target/35318
5807         * function.c (match_asm_constraints_1): Skip over
5808         initial optional % in the constraint.
5810         PR inline-asm/39059
5811         * c-parser.c (c_parser_postfix_expression): If fixed point is not
5812         supported, don't accept FIXED_CSTs.
5813         * c-decl.c (finish_declspecs): Error if fixed point is not supported
5814         and _Sat is used without _Fract/_Accum.  Set specs->type to
5815         integer_type_node for cts_fract/cts_accum if fixed point is not
5816         supported.
5818 2009-02-02  Catherine Moore  <clm@codesourcery.com>
5820         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5822 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
5824         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5825         (ABI_HAS_64BIT_SYMBOLS): Use it.
5826         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5828 2009-02-02  Paul Brook  <paul@codesourcery.com>
5830         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5832 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
5834         PR inline-asm/39058
5835         * recog.h (asm_operand_ok): Add constraints argument.
5836         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
5837         recurse on matching constraint.
5838         (check_asm_operands): Pass constraints as 3rd argument to
5839         asm_operand_ok.  Don't look up matching constraint here.
5840         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5841         to asm_operand_ok.
5843 2009-02-02  Ben Elliston  <bje@au.ibm.com>
5845         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5846         TARGET_NARROW_VOLATILE_BITFIELD macro names.
5848 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5850         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5851         information.  Remove some obsolete information.  Reorganize.
5853         * config/pa/fptr.c: Revert license to GPL 2.
5854         * config/pa/milli64.S: Likewise.
5856 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5858         PR target/38904
5859         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
5860         LIBRARY name in, instead of hard-coding it.
5861         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
5862         extra target make frag to tmake_files according to EH model.
5863         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
5864         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
5865         frags that define makefile variable EH_MODEL appropriately.
5866         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
5867         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
5868         to "-sjlj" according to type of EH configured.
5869         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5870         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
5871         to "_sjlj" according to type of EH configured.
5872         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5873         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
5874         (SHLIB_LINK):  Add missing semicolon to if-else construct.
5875         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5876         string value of "pe_dll" command-line option.
5877         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
5878         (SHLIB_SONAME):  Use it when overriding t-cygming default.
5879         (SHLIB_IMPLIB):  Override t-cygming default.
5880         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5881         string value of "pe_dll" command-line option.
5883 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5885         PR target/38952
5886         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5887         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5889 2009-01-31  Richard Guenther  <rguenther@suse.de>
5891         PR tree-optimization/38937
5892         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5893         computing the transitive closure.
5895 2009-01-30  Richard Guenther  <rguenther@suse.de>
5897         PR tree-optimization/39041
5898         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5899         Propagate variable indices only if the types match for this stmt.
5901 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
5903         PR target/39013
5904         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5905         inline but never defined.
5907 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
5909         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5910         (*insv_h_di_reg_extimm): New insn.
5911         (*insv_l<mode>_reg_extimm): New insn.
5913 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5915         * config/picochip/picochip.c (flag_conserve_stack): set
5916         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5917         fconserve-stack. Reduce call-overhead used by inliner.
5919 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5921         PR/38157
5922         * common.opt (flag_conserve_stack): Initialised to zero.
5924 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
5926         PR/39002
5927         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5928         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5929         method.
5931 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
5933         * ira-color.c (allocno_reload_assign): Update comments.
5934         * regmove.c (regmove_optimize): Likewise.
5936         * ra.h: Removed.
5938 2009-01-29  Robert Millan  <rmh@aybabtu.com>
5940         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5941         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
5942         `MD_UNWIND_SUPPORT'.
5943         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5945 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
5947         PR tree-optimization/39007
5948         * tree-loop-distribution.c (generate_builtin): Use
5949         recompute_dominator to compute the immediate dominator of the
5950         basic block just after the loop.
5952 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5954         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5955         (ASM_OUTPUT_DWARF_PCREL): Define.
5957 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
5959         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5960         * doc/passes.texi: Remove entries about regclass, local-alloc, and
5961         global.  Modify entries about regmove and IRA.
5963         * ra-conflict.c: Remove the file.
5965         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5967         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5968         (pass_regclass_init): Rename to pass_reginfo_init.
5970         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5972         * toplev.h (flag_ira): Remove.
5974         * caller-save.c (setup_save_areas): Remove flag_ira.
5976         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5978         * global.c: Remove the file.
5980         * opts.c (decode_options): Remove flag_ira.
5982         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5984         * regmove.c: Modify file description.
5985         (find_use_as_address, try_auto_increment): Define them only if
5986         AUTO_INC_DEC is defined.
5987         (replacement_quality, replace_in_call_usage, fixup_match_1,
5988         stable_and_no_regs_but_for_p): Remove.
5989         (reg_set_in_bb): Make it static.
5990         (regmove_optimize): Remove flag_ira and code which worked for
5991         !flag_ira.
5993         * local-alloc.c: Remove the file.
5995         * common.opt (fira): Remove.
5997         * ira.c: Include except.h.
5998         (eliminable_regset): Move from global.c.
5999         (mark_elimination): Ditto.  Remove flag_ira.
6000         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
6001         equiv_mem_modified, validate_equiv_mem_from_store,
6002         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
6003         contains_replace_regs, memref_referenced_p, memref_used_between_p,
6004         no_equiv, recorded_label_ref): Move from local-alloc.c.
6005         (update_equiv_regs): Ditto.  Make it static.
6006         (print_insn_chain, print_insn_chains): Move it from global.c.
6007         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
6008         (build_insn_chain): Ditto.  Make it static.
6009         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
6010         Rename to init_live_subregs.
6011         (gate_ira): Remove flag_ira.
6013         * regclass.c: Rename reginfo.c.  Change file description.
6014         (FORBIDDEN_INC_DEC_CLASSES): Remove.
6015         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
6016         (init_reg_sets_1): Remove code for evaluation of
6017         reg_class_superclasses and losing_caller_save_reg_set.
6018         (init_regs): Remove init_reg_autoinc.
6019         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
6020         ok_for_base_p_nonstrict): Remove.
6021         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
6022         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
6023         corresponding entries.
6024         (dump_regclass, record_operand_costs, scan_one_insn,
6025         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
6026         record_address_regs, auto_inc_dec_reg_p): Remove.
6027         (gt-regclass.h): Rename to gt-reginfo.h.
6029         * rtl.h (dump_global_regs, retry_global_alloc,
6030         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
6032         * Makefile.in (RA_H): Remove.
6033         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
6034         Rename regclass.o to reginfo.o.
6035         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
6036         gt-reginfo.h.
6037         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
6038         (GTFILES): Rename regclass.c to reginfo.c.
6040         * passes.c (init_optimization_passes): Remove pass_local_alloc and
6041         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
6043         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6044         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
6045         Remove flag_ira.
6046         (finish_spills): Ditto.  Remove code for !flag_ira.
6047         
6048 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
6050         PR middle-end/35854
6051         * doc/invoke.texi (rtl debug options): Complete rewrite.
6052         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
6053         to auto_inc_dec".
6054         * mode-switching.c (pass_mode_switching): Rename pass from
6055         "mode-sw" to "mode_sw".
6056         * except.c (pass_convert_to_eh_ranges): Rename pass from
6057         "eh-ranges" to "eh_ranges".
6058         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
6059         to "subreg1".
6060                 
6061         
6062 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
6063             Alexander Monakov  <amonakov@ispras.ru>
6065         PR middle-end/38857
6066         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
6067         register.
6068         (move_exprs_to_boundary): Change return type and pass through
6069         should_move from move_op.  Relax assert.  Update usage ...
6070         (schedule_expr_on_boundary): ... here.  Use should_move instead of
6071         cant_move.
6072         (move_op_orig_expr_found): Indicate that insn was disconnected from
6073         stream.
6074         (code_motion_process_successors): Do not call after_merge_succs
6075         callback if original expression was not found when traversing any of
6076         the branches.
6077         (code_motion_path_driver): Change return type.  Update prototype.
6078         (move_op): Update comment.  Add a new parameter (should_move).  Update
6079         prototype.  Set *should_move based on indication provided by
6080         move_op_orig_expr_found.
6082 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
6084         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
6085         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
6086         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
6087         * config/rs6000/rs6000.c (rs6000_override_options): Default
6088         avoid-indexed-addresses on for Power6, off for everything else.
6089         (avoiding_indexed_address_p): New function.
6090         (rs6000_legitimize_address): Use it.
6091         (rs6000_legitimate_address): Likewise.
6092         * config/rs6000/rs6000.md (movXX_updateX): Likewise
6094 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
6096         PR tree-optimization/38997
6097         * tree-loop-distribution.c (generate_memset_zero): Use
6098         POINTER_PLUS_EXPR for a pointer addition.
6100 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
6102         * config/s390/s390.md (bswap<mode>2): New pattern added.
6104 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6106         * config/s390/s390.md (*tls_load_31): Added type attribute.
6108 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6110         * config/s390/s390.md: Fix a few comments.
6112 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6114         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6115         (*tm<mode>_full): Fixed z10prop attribute.
6116         (*tst<mode>_extimm): Fixed z10prop attribute.
6117         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6118         (*tstqiCCT_cconly): Fixed z10prop attribute.
6119         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6120         (*movsi_larl): Fixed z10prop attribute.
6121         (*movsi_zarch): Fixed z10prop attribute.
6122         (*movsi_eas): Fixed z10prop attribute.
6123         (*movhi): Fixed z10prop attribute.
6124         (*movqi): Fixed z10prop attribute.
6125         (*movstrictqi): Fixed z10prop attribute.
6126         (*mov<mode>): Fixed z10prop attribute.
6127         (*movcc): Fixed z10prop attribute.
6128         (*sethighpartdi_64): Fixed z10prop attribute.
6129         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6130         (*negdi2_sign_cc): Fixed z10prop attribute.
6131         (*negdi2_sign): Fixed z10prop attribute.
6132         (*absdi2_sign_cc): Fixed z10prop attribute.
6133         (*absdi2_sign): Fixed z10prop attribute.
6134         (*negabsdi2_sign_cc): Fixed z10prop attribute.
6135         (*negabsdi2_sign): Fixed z10prop attribute.
6136         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6137         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6138         (doloop_si64): Fixed z10prop attribute.
6139         (doloop_si31): Fixed z10prop attribute.
6140         (doloop_long): Fixed z10prop attribute.
6141         (indirect_jump): Fixed z10prop attribute.
6142         (nop): Fixed z10prop attribute.
6143         (main_base_64): Fixed z10prop attribute.
6144         (reload_base_64): Fixed z10prop attribute.
6146 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6148         PR rtl-optimization/38740
6149         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6150         if !optimize.
6151         * config/mips/mips.c (mips_reorg): Likewise.
6153 2009-01-28  Richard Guenther  <rguenther@suse.de>
6155         PR tree-optimization/38926
6156         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6157         with the correct value id to a value.
6158         (do_regular_insertion): Use the value number of edoubleprime
6159         for the value number of the expr.
6161         Revert
6162         2008-08-21  Richard Guenther  <rguenther@suse.de>
6164         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6165         a PHI ask VN if it is already available.
6166         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6167         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6169 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6171         PR middle-end/38934
6172         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6173         set to varying whenever max has TREE_OVERFLOW set, similarly
6174         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6176 2009-01-28  Richard Guenther  <rguenther@suse.de>
6178         PR middle-end/38908
6179         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6180         uninitialized aggregate uses in call arguments.
6182 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
6184         PR tree-optimization/38984
6185         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6186         the nothing_id variable if -fno-delete-null-pointer-checks.
6188 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
6190         PR target/38988
6191         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6192         (set_got_offset_rex64): Ditto.
6194 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
6196         PR target/38941
6197         * doc/extend.texi: Improve local variable with asm reg.
6199 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
6201         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6202         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6203         was not supplied then set warn_packed_bitfield_compat to the
6204         default value of 1.
6205         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6206         against 1.
6208 2009-01-27  Richard Guenther  <rguenther@suse.de>
6210         PR tree-optimization/38503
6211         * cfgexpand.c (expand_gimple_basic_block): Ignore
6212         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6213         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6214         variables that cannot have TBAA applied.
6215         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6216         statements.
6218 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
6220         PR middle-end/38969
6221         * calls.c (initialize_argument_information): Do not wrap complex
6222         arguments in SAVE_EXPR.
6224 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
6226         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6227         (INSTALL_LIBGCC): Revert typo commit.
6229 2009-01-26  Richard Guenther  <rguenther@suse.de>
6231         PR tree-optimization/38745
6232         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6233         from special handling.
6235 2009-01-26  Richard Guenther  <rguenther@suse.de>
6237         PR tree-optimization/38745
6238         * tree-ssa.c (execute_update_addresses_taken): Do not include
6239         variables that cannot possibly be a register in not_reg_needs.
6240         Do not clear TREE_ADDRESSABLE on vars that may not become
6241         registers.
6242         * tree-ssa.c (update_alias_info_1): Include those in the set
6243         of addressable vars.
6245 2009-01-26  Richard Guenther  <rguenther@suse.de>
6247         PR middle-end/38851
6248         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6249         * tree-ssa-dse.c: Include langhooks.h
6250         (execute_simple_dse): Remove stores with zero size.
6252 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
6254         PR c/38957
6255         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6256         as PLUS_EXPR.
6258 2009-01-24  Julian Brown  <julian@codesourcery.com>
6260         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6261         config/arm/linux-atomic.c.
6262         * config/arm/linux-atomic.c: New.
6264 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
6266         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6267         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6268         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6270 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
6272         PR c/38938
6273         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6274         properly.
6276 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6278         PR tree-optimization/38953
6279         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6280         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6281         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6282         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6283         changed the CFG.
6285 2009-01-24  Paul Brook  <paul@codesourcery.com>
6287         * config/arm/neon.md (neon_type): Move to arm.md.
6288         (neon_mov<VSTRUCT>): Add neon_type attribute.
6289         * config/arm/arm.md (neon_type): Move to here.
6290         (conds): Add "unconditioal" and use as default for NEON insns.
6292 2009-01-24  Ben Elliston  <bje@au.ibm.com>
6294         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6295         void *' warning from -Wc++-compat.
6296         * Makefile.in (dominance.o-warn): Remove.
6298 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
6300         PR tree-optimization/38932
6301         * fold-const.c (fold_unary_ignore_overflow): New.
6302         * tree.h (fold_unary_ignore_overflow): Declare.
6303         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6304         * tree-ssa-sccvn.c (visit_reference_op_load,
6305         simplify_unary_expression): Likewise.
6307 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
6309         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6310         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
6311         regardless of their type.
6312         * c-common.c (handle_packed_attribute): Don't ignore packed on
6313         bitfields.
6314         * c.opt (Wpacked-bitfield-compat): New warning option.
6315         * stor-layout.c (place_field): Warn if offset of a field changed.
6316         * doc/extend.texi (packed): Mention the ABI change.
6317         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6318         (Warning Options): Add it to the list.
6320 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
6322         * c-opts.c (c_common_post_options): Fix a typo in comments.
6324 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
6326         PR middle-end/38615
6327         * gimplify.c (gimplify_init_constructor): Fix promotion of const
6328         variables to static.
6329         * doc/invoke.texi (-fmerge-all-constants): Update description.
6331 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
6333         PR target/38931
6334         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6335         (*movdi_1_rex64): Use type "mmx" for alternative 5.
6337 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
6339         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6340         a word boundary.
6341         (LOCAL_ALIGNMENT): Similarly.
6343 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6344             Joseph Myers  <joseph@codesourcery.com>
6346         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6347         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6348         * config/arm/arm-tune.md: Regenerate.
6349         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6350         -march=iwmmxt2.
6352 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6354         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6355         version number to five.
6357 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
6359         PR c++/38930
6360         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6361         * c-common.c (set_underlying_type): Likewise.
6362         (is_typedef_decl ): Likewise
6363         * tree.h: Likewise
6364         (set_underlying_type): Likewise.
6365         (is_typedef_type): Likewise.
6367 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
6369         PR middle-end/38587
6370         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6371         crossing setjmps.
6373 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
6375         PR bootstrap/37660
6376         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
6377         (LIBGCC_SPEC):  Don't define.
6378         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
6380 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
6382         PR rtl-optimization/38879
6383         * alias.c (base_alias_check): Unaligned access via AND address can
6384         alias all surrounding object types except those with sizes equal
6385         or wider than the size of unaligned access.
6387 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
6389         PR c++/26693
6390         * c-decl.c (clone_underlying_type): Move this ...
6391         * c-common.c (set_underlying_type): ... here.
6392         Also, make sure the function properly sets TYPE_STUB_DECL() on
6393         the newly created typedef variant type.
6394         (is_typedef_decl ): New entry point.
6395         * tree.h: Added a new member member_types_needing_access_check to
6396         struct tree_decl_non_common.
6397         (set_underlying_type): New entry point.
6398         (is_typedef_type): Likewise.
6400 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
6402         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6403         Check whether two instructions have memory references that
6404         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
6405         are helper functions for traversing.
6406         * alias.h (insn_alias_sets_confilict_p): New prototypes.
6407         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6408         not to draw dependency edge for instructions with non-conflicting
6409         alias sets.
6411 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
6413         PR other/38758
6414         * longlong.h: Update copyright years.  Use soft-fp license notice.
6415         Sync __clz_tab declaration with glibc.
6417 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
6419         PR target/30687
6420         * doc/extend.texi (syscall_linkage): New.
6421         (version_id): Modify.
6423 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6424             Richard Guenther  <rguenther@suse.de>
6426         PR tree-optimization/38747
6427         PR tree-optimization/38748
6428         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6429         conversion if the base address is an indirect reference and the
6430         aliasing sets could cause issues.
6432 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6434         * common.opt (fgraphite, fgraphite-identity): Add comment for 
6435         explaining why these options are not documented.
6437 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6439         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6440         gimple_call_lhs is NULL.
6442 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
6444         PR target/38868
6445         * emit-rtl.c (adjust_address_1): Make sure memref is never
6446         overwritten.
6448 2009-01-20  Ben Elliston  <bje@au.ibm.com>
6450         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6451         const qualifier from arg parameter. Remove unnecessary cast to char *.
6452         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6453         const qualifier from arg 2.
6455 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
6457         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6459 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
6461         PR c/38869
6462         * rtl.h (reinit_regs): New prototype.
6463         * regclass.c: Include ira.h.
6464         (reinit_regs): New.
6465         * Makefile.in (regclass.o): Add ira.h.
6466         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6468 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
6470         PR target/38736
6471         * c-common.c (handle_aligned_attribute): Use
6472         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6473         default alignment value.
6475         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6477         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6478         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6480         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
6481         __BIGGEST_ALIGNMENT__.
6483         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6485 2009-01-18  Richard Guenther  <rguenther@suse.de>
6487         PR tree-optimization/38819
6488         * tree-flow.h (operation_could_trap_helper_p): Declare.
6489         * tree-eh.c (operation_could_trap_helper_p): Export.
6490         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6491         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6492         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6493         are about to insert a possibly trapping instruction and fail
6494         in this case.
6496 2009-01-18  Andreas Schwab  <schwab@suse.de>
6498         * doc/install.texi (Configuration): Remove obsolete paragraph
6499         about use of --with-gnu-ld with --with-gnu-as.
6501 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
6503         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6504         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6505         Follow spelling conventions.
6507 2009-01-18  Ben Elliston  <bje@au.ibm.com>
6509         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6510         C++ warning about implicit conversion from void * to struct
6511         bitmap_head_def *.
6512         (bitmap_obstack_free): Likewise for bitmap_element *.
6513         * Makefile.in (bitmap.o-warn): Remove.
6515 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
6517         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
6519 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
6520             Tobias Grosser  <tobi.grosser@amd.com>
6522         * graphite.c (graphite_trans_scop_block): Do not block single
6523         nested loops.
6525 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
6527         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6528         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6529         test with assertion.
6531 2009-01-16  Richard Guenther  <rguenther@suse.de>
6533         PR tree-optimization/38835
6534         PR middle-end/36227
6535         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6536         and INT + PTR -> (INT)(PTR p+ INT) folding.
6537         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6539 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
6541         PR target/38554
6542         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6543         the subreg from a lowpart subreg if it is also casting the value.
6545 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6546             Tobias Grosser  <tobi.grosser@amd.com>
6548         * graphite.c (compare_prefix_loops): New.
6549         (build_scop_canonical_schedules): Rewritten.
6550         (graphite_transform_loops): Move build_scop_canonical_schedules
6551         after build_scop_iteration_domain.
6553 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6554             Tobias Grosser  <tobi.grosser@amd.com>
6556         * graphite.c (add_conditions_to_domain): Add the loops to 
6557         the dimension of the iteration domain.  Do copy the domain
6558         only when it exists.
6559         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6560         (add_conditions_to_constraints): New.
6561         (can_generate_code_stmt, can_generate_code): Removed.
6562         (gloog): Do not call can_generate_code.
6563         (graphite_transform_loops): Call add_conditions_to_constraints
6564         after building the iteration domain.
6566 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
6568         PR tree-optimization/38789
6569         * tree-ssa-threadedge.c
6570         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6571         __builtin_constant_p.
6573 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
6575         * dce.c (delete_unmarked_insns): Reversed the order that insns are
6576         examined before deleting them.
6577         
6578 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
6580         * function.c (aggregate_value_p): Correctly extract the function
6581         type from CALL_EXPR_FN lookup.
6583 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
6585         * config/picochip/picochip.c (picochip_override_options): Revert
6586         CFI asm flag disable commited previously.
6588 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6589             Tobias Grosser  <tobi.grosser@amd.com>
6590             Jan Sjodin  <jan.sjodin@amd.com>
6592         * graphite.c (scan_tree_for_params): On substractions negate
6593         all the coefficients of the term.
6594         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6595         of more than two operands.
6596         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6597         (get_vdef_before_scop): Handle also the case of default definitions.
6599 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
6601         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6602         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6603         Also use them when walking CALL_INSN_FUNCTION_USAGE.
6605 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
6606             Joey Ye  <joey.ye@intel.com>
6608         PR middle-end/37843
6609         * cfgexpand.c (expand_stack_alignment): Don't update stack
6610         boundary nor check incoming stack boundary here.
6611         (gimple_expand_cfg): Update stack boundary and check incoming
6612         stack boundary here.
6614 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
6616         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6617         
6618 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
6620         PR rtl-optimization/38245
6621         * calls.c (expand_call): Add stack arguments to
6622         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6623         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6624         in regs and partially in memory or BLKmode arguments.
6625         (emit_library_call_value_1): Add stack arguments to
6626         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6627         ACCUMULATE_OUTGOING_ARGS).
6628         * dce.c: Include tm_p.h.
6629         (find_call_stack_args): New function.
6630         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
6631         argument.
6632         (mark_insn): Call find_call_stack_args for CALL_Ps.
6633         (prescan_insns_for_dce): Walk insns backwards in bb rather than
6634         forwards.  Allocate and free arg_stores bitmap if needed, pass it
6635         down to deletable_insn_p, don't mark stores set in arg_stores
6636         bitmap, clear the bitmap at the beginning of each bb.
6637         * Makefile.in (dce.o): Depend on $(TM_P_H).
6639 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
6641         PR target/22599
6642         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6643         to make sure the insn is a conditional test (bug 22599).  Reformat a
6644         few long lines.
6646 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6648         PR middle-end/38431
6649         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6650         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6651         (gloog): Do not call cleanup_tree_cfg.
6652         (graphite_transform_loops): Call cleanup_tree_cfg after all 
6653         scops have been code generated.
6655 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
6656         * doc/gty.texi (Invoking the garbage collector): Added new node
6657         and section documenting ggc_collect.
6659 2009-01-14  Richard Guenther  <rguenther@suse.de>
6661         PR tree-optimization/38826
6662         PR middle-end/38477
6663         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6664         initialization notes only if we actually emitted a warning.
6665         (intra_create_variable_infos): Add constraints for a result decl
6666         that is passed by hidden reference.
6667         (build_pred_graph): Mark all related variables non-direct on
6668         address-taking.
6670 2009-01-14  Nick Clifton  <nickc@redhat.com>
6672         * ira-conflicts.c: Include addresses.h for the definition of
6673         base_reg_class.
6674         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6675         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6677 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
6679         PR target/38811
6680         * Makefile.in (ira-lives.o): Add except.h.
6682         * ira-lives.c: Include except.h.
6683         (process_bb_node_lives): Process can_throw_internal.
6685 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
6687         PR rtl-optimization/38774
6688         * combine.c (simplify_set): When undoing cc_use change, don't do
6689         PUT_CODE on the newly created comparison, but instead put back the
6690         old comparison.
6692 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
6694         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6695         values.  Remove duplicate arm8 entry.
6697 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6699         PR tree-optimization/38786
6700         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6701         the SSA_NAME case of expand_scalar_variables_expr.
6702         Set the type of an expression to the type of its assign statement.
6703         (expand_scalar_variables_expr): Also gather the scalar computation
6704         used to index the memory access.  Do not pass loop_p.
6705         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6706         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6707         the gimple_stmt_iterator where it inserts new code.
6708         Do not pass loop_p.
6709         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6710         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6712 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6714         * graphite.h (debug_value): Removed.
6715         * graphite.c (debug_value): Removed.
6717 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6719         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6720         ldrd/strd with two 32-bit instructions.
6722 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6724         * config/arm/arm.c (struct processors): Pass for speed down into
6725         cost helper functions.
6726         (const_ok_for_op): Handle COMPARE and inequality nodes.
6727         (arm_rtx_costs_1): Rewrite.
6728         (arm_size_rtx_costs): Update prototype.
6729         (arm_rtx_costs): Pass speed down to helper functions.
6730         (arm_slowmul_rtx_costs): Rework cost calculations.
6731         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6732         (arm_9e_rtx_costs): Likewise.
6734 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
6736         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6737         relocations of local symbols wider than UNITS_PER_WORD are not valid.
6738         (alpha_legitimize_address): Do not split local symbols wider than
6739         UNITS_PER_WORD into HIGH/LO_SUM parts.
6741 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
6743         PR bootstrap/38580
6744         * gcc.c (process_command): Replace call to execvp with calls
6745         to pex_one and exit.
6747 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
6749         PR target/29141
6750         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6751         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6752         variant for devices with 3-byte PC.
6753         (__tablejump_elpm__): New.
6755 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6757         PR c/32041
6758         * c-parser.c (c_parser_postfix_expression): Allow `->' in
6759         offsetof member-designator, handle it as `[0].'.
6761 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6763         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6764         function when not using named sections on targets with named sections
6765         if branch distance is less than 262132.
6767 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
6769         * combine.c (combine_instructions):  Recompute
6770         optimize_this_for_speed_p  for each BB in the main combine loop.
6772 2009-01-12  Tomas Bily  <tbily@suse.cz>
6774         PR middlend/38385
6775         * tree-loop-distribution.c (prop_phis): New function.
6776         (generate_builtin): Call prop_phis.
6777         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6779 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6781         PR tree-optimization/38807
6782         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6783         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6785 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
6787         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6788         subreg of op0 to the original op0.
6790 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
6792         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6793         
6794 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
6796         PR debug/7055
6797         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6798         starting with digits.
6800 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
6802         PR target/38695
6803         * config/arm/arm.c (arm_is_long_call_p): Don't call
6804         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6806 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
6808         * regrename.c (regrename_optimize): Fix dumping.
6809         (find_oldest_value_reg): Preserve REG_POINTER.
6810         (copy_hardreg_forward_1): Likewise.
6812 2009-01-09  Diego Novillo  <dnovillo@google.com>
6814         * gimple.h (struct gimple_statement_base) <uid>: Document
6815         the restrictions on its use.
6816         (gimple_uid): Tidy.
6817         (gimple_set_uid): Tidy.
6819 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6821         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6822         zero guard even if align_bytes != 0 and count is smaller than
6823         size_needed.
6825 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
6827         PR rtl-optimization/38495
6828         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6829         (add_range_and_copies_from_move_list): Print all added ranges.
6830         Add ranges to memory optimized destination.
6832 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6834         PR target/38686
6835         PR target/38708
6836         * config/i386/i386.c (override_options): Reject
6837         -mstringop-strategy=rep_8byte with -m32.
6838         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6839         to 1.  Do count comparison against epilogue_size_needed at compile
6840         time even when count_exp was constant forced into register.  For
6841         size_needed don't jump to epilogue, instead just avoid aligning
6842         and invoke the body algorithm.  If need_zero_guard, add zero guard
6843         even if count is non-zero, but smaller than size_needed + number of
6844         bytes that could be stored for alignment.
6845         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6846         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
6847         but smaller than size_needed + number of bytes that could be stored
6848         for alignment.  Compare size_needed with epilogue_size_needed instead
6849         of desired_align - align, don't adjust size_needed, pass
6850         epilogue_size_needed to the epilogue expanders.
6852         PR c/35742
6853         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6855 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6857         * pa.c (last_address): Change to unsigned.
6858         (update_total_code_bytes): Change argument to unsigned.  Don't
6859         check if insn addresses are set.
6860         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6861         addresses are not set.
6862         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6864 2009-01-09  Nick Clifton  <nickc@redhat.com>
6866         * config/sh/symbian.c: Replace uses of DECL_INLINE with
6867         DECL_DECLARED_INLINE_P.
6869 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6871         PR middle-end/38347
6872         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6873         GET_MODE (op0) in operand_subword_force calls.
6875         PR middle-end/38771
6876         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6877         fold_convert arg0 operands to TREE_TYPE (op0) first.
6879 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
6881         * params.def (ira-max-conflict-table-size): Decrease default value
6882         to 1000.
6884 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
6886         PR tree-optimization/37031
6887         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6888         on parameter_set.
6889         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6890         allocate it using gc instead of heap, use VEC_quick_push instead of
6891         VEC_safe_push.
6892         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6893         instead of heap, use VEC_quick_push instead of VEC_safe_push.
6894         * tree-data-ref.h (struct access_matrix): Change matrix to gc
6895         allocated vector from heap allocated.
6896         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6897         * tree-loop-linear.c (linear_transform_loops): Allocate nest
6898         vector only after perfect_loop_nest_depth call.
6900 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6901             Jan Sjodin  <jan.sjodin@amd.com>
6903         PR tree-optimization/38559
6904         * graphite.c (debug_value, copy_constraint,
6905         swap_constraint_variables, scale_constraint_variable, ): New.
6906         (get_lower_bound, get_upper_bound): Removed.
6907         (graphite_trans_bb_strip_mine): Clean up this code that works
6908         only for constant number of iterations.  Fully copy upper and
6909         lower bound constraints, not only the constant part of them.
6910         * graphite.h (debug_value): Declared.
6912 2009-01-08  Ira Rosen  <irar@il.ibm.com>
6914         PR tree-optimization/37194
6915         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6916         Don't add the cost of cost model guard in prologue to scalar 
6917         outside cost in case of known number of iterations.
6919 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
6920             Alan Modra  <amodra@bigpond.net.au>
6922         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6923         non-word-aligned REG+CONST addressing.
6925 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6927         PR target/38706
6928         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6929         free_after_compilation when outputting a thunk.
6930         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6931         Do not call free_after_compilation here.
6933 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6935         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6936         (ix86_valid_target_attribute_inner_p): Ditto.
6938 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
6940         PR tree-optimization/38492
6941         PR tree-optimization/38498
6942         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6943         * tree-chrec.h (scev_is_linear_expression): Declared.
6944         * graphite.c (graphite_cannot_represent_loop_niter): New.
6945         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6946         (graphite_loop_normal_form): Use gcc_assert.
6947         (scan_tree_for_params): Use CASE_CONVERT.
6948         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6949         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6950         Use gcc_assert.  Discard scops that contain unhandled cases.
6951         (build_scop_conditions): Return a boolean status for unhandled cases.
6952         (strip_mine_profitable_p): Print the loop number, not its depth.
6953         (is_interchange_valid): Pass the depth of the loop nest, don't
6954         recompute it wrongly.
6955         (graphite_trans_bb_block): Same.
6956         (graphite_trans_bb_block): Print tentative of loop blocking.
6957         (graphite_trans_scop_block): Do not print that the loop has been
6958         blocked.
6959         (graphite_transform_loops): Do not handle scops that contain condition
6960         scalar phi nodes.
6962 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
6964         AVX Programming Reference (December, 2008)
6965         * config/i386/avxintrin.h (_mm256_stream_si256): New.
6966         (_mm256_stream_pd): Likewise.
6967         (_mm256_stream_ps): Likewise.
6969         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6970         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6971         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6972         (bdesc_special_args): Add __builtin_ia32_movntdq256,
6973         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6974         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6975         (ix86_expand_special_args_builtin): Likewise.
6977         * config/i386/sse.md (AVXMODEDI): New.
6978         (avx_movnt<mode>): Likewise.
6979         (avx_movnt<mode>): Likewise.
6980         (<sse>_movnt<mode>): Remove AVX support.
6981         (sse2_movntv2di): Likewise.
6983 2009-01-07  Richard Guenther  <rguenther@suse.de>
6985         PR middle-end/38751
6986         * fold-const.c (extract_muldiv): Remove obsolete comment.
6987         (fold_plusminus_mult_expr): Undo MINUS_EXPR
6988         to PLUS_EXPR canonicalization for the canonicalization.
6990 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
6992         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6993         hosted cross-compilers generating less efficient code.
6995 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6997         * function.h (rtl_data): Add a dbr_scheduled_p field.
6998         * reorg.c (dbr_schedule): Set it.
6999         (gate_handle_delay_slots): Check it.
7000         * config/mips/mips.c (mips_base_delayed_branch): Delete.
7001         (mips_reorg): Check flag_delayed_branch instead of
7002         mips_base_delayed_branch.
7003         (mips_override_options): Don't set mips_base_delayed_branch
7004         or flag_delayed_branch.
7006 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
7008         PR rtl-optimization/38426.
7009         * ira.c (ira): Set current_function_is_leaf earlier.
7011 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
7013         PR rtl-optimization/38722
7014         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
7015         too early, only set a flag and modify after last possible
7016         undo_all point.
7018 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
7020         PR c/34252
7021         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
7022         * real.c (decimal_single_format): Correct values of emin and emax.
7023         (decimal_double_format): Ditto.
7024         (decimal_quad_format): Ditto.
7025         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
7026         computation of DECnn_MIN and DECnn_MAX for corrected values of
7027         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
7028         __DECnn_MIN__, and adjust its computation for the corrected value
7029         of emin.
7031 2009-01-06  Jan Hubicka  <jh@suse.cz>
7033         PR target/38744
7034         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
7036 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
7038         * doc/contrib.texi (Contributors): Slightly adjust the end note.
7039         Add Robert Clark to the list of testers.
7041 2009-01-06  Jan Hubicka  <jh@suse.cz>
7042             Kai Tietz  <kai.tietz@onevision.com>
7044         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
7045         * config/i386/i386.c (ix86_expand_call): Add clobbers.
7047 2009-01-06  Jan Hubicka  <jh@suse.cz>
7048             Kai Tietz  <kai.tietz@onevision.com>
7050         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
7051         for w64 ABI.
7052         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
7053         (ix86_nsaved_regs): Count only general purpose regs.
7054         (ix86_nsaved_sseregs): New.
7055         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
7056         to 16 for w64; compute padding and size of sse reg save area.
7057         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
7058         general purpose regs.
7059         (ix86_emit_save_sse_regs_using_mov): New.
7060         (ix86_expand_prologue): Save SSE regs if needed.
7061         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
7062         (ix86_emit_restore_sse_regs_using_mov): New.
7063         (ix86_expand_epilogue): Save SSE regs if needed.
7065 2009-01-06  Jan Hubicka  <jh@suse.cz>
7066             Kai Tietz  <kai.tietz@onevision.com>
7068         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
7069         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
7070         functions when accumulate outgoing args is off.
7072 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7074         PR bootstrap/38742
7075         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
7076         before using pseudos_have_intersected_live_ranges_p.
7078         * ira-int.h (ira_assert): Always define.
7080 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7082         AVX Programming Reference (December, 2008)
7083         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
7084         (_mm256_permute2_pd): Likewise.
7085         (_mm_permute2_ps): Likewise.
7086         (_mm256_permute2_ps): Likewise.
7087         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
7088         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
7090         * config/i386/i386.c (ix86_builtins): Remove
7091         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
7092         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
7093         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
7094         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
7095         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
7096         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
7097         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
7098         __builtin_ia32_vpermil2ps256.
7099         (ix86_init_mmx_sse_builtins): Updated.
7100         (ix86_expand_args_builtin): Likewise.
7102 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7104         * pa.c (output_call): Relocate non-jump insns in the delay slot of
7105         long absolute calls when generating PA 2.0 code.
7107 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
7109         PR rtl-optimization/38583
7110         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7112         * params.def (ira-max-conflict-table-size): New.
7114         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7115         
7116         * ira.h (ira_conflicts_p): New external definition.
7117         
7118         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7119         table.  Report this.  Return result of building.
7120         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
7121         building conflict table.
7123         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7124         (ira_color): Use ira_conflicts_p.
7125         
7126         * global.c: Include ira.h.
7127         (pseudo_for_reload_consideration_p, build_insn_chain): Use
7128         ira_conflicts_p.
7130         * Makefile.in (global.o): Add ira.h.
7131         
7132         * ira-build.c (mark_all_loops_for_removal,
7133         propagate_some_info_from_allocno): New.
7134         (remove_unnecessary_allocnos): Call
7135         propagate_some_info_from_allocno.
7136         (remove_low_level_allocnos): New.
7137         (remove_unnecessary_regions): Add parameter.  Call
7138         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
7139         parameter to remove_unnecessary_regions.
7140         (ira_build): Remove all regions but root if the conflict table was
7141         not built.  Update conflict hard regs for allocnos crossing calls.
7143         * ira.c (ira_conflicts_p): New global.
7144         (ira): Define and use ira_conflicts_p.
7146         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7147         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7148         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7149         
7150 2009-01-06  Ben Elliston  <bje@au.ibm.com>
7152         * gengtype-lex.l (YY_NO_INPUT): Define.
7154 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7156         PR c/34911
7157         * c-common.c (handle_vector_size_attribute): Also reject
7158         BOOLEAN_TYPE types.
7160 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
7162         PR tree-optimization/38492
7163         * graphite.c (rename_map_elt, debug_rename_elt,
7164         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7165         rename_map_elt_info, eq_rename_map_elts,
7166         get_new_name_from_old_name, bb_in_sese_p): Moved around.
7167         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7168         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7169         (sese_build_livein_liveouts): New.
7170         (new_sese, free_sese): New.
7171         (new_scop): Call new_sese.
7172         (free_scop): Call free_sese.
7173         (rename_variables_from_edge, rename_phis_end_scop): Removed.
7174         (register_old_new_names): Renamed register_old_and_new_names.
7175         (register_scop_liveout_renames, add_loop_exit_phis,
7176         insert_loop_close_phis, struct igp,
7177         default_liveout_before_guard, add_guard_exit_phis,
7178         insert_guard_phis, copy_renames): New.
7179         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7180         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7181         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7182         (scop_adjust_phis_for_liveouts): New.
7183         (gloog): Call scop_adjust_phis_for_liveouts.
7185         * graphite.h (struct sese): Documented.  Added fields liveout,
7186         num_ver and livein.
7187         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7188         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7189         (struct scop): Added field liveout_renames.
7190         (SCOP_LIVEOUT_RENAMES): New.
7192 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7194         PR tree-optimization/38510
7195         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7196         (translate_clast): Call recompute_all_dominators before
7197         graphite_verify.
7198         (gloog): Call recompute_all_dominators before graphite_verify.
7200 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7201             Jan Sjodin  <jan.sjodin@amd.com>
7203         PR tree-optimization/38500
7204         * graphite.c (create_sese_edges): Call fix_loop_structure after
7205         splitting blocks.
7207 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
7209         * config.gcc: Add m32r*-*-rtems*.
7210         * config/m32r/rtems.h: New file.
7212 2009-01-05  Ben Elliston  <bje@au.ibm.com>
7214         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7215         (.po.pox): Likewise.
7216         (po/gcc.pot): Likewise.
7218 2009-01-04  David S. Miller  <davem@davemloft.net>
7220         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7221         (STARTING_FRAME_OFFSET): Always set to zero.
7223 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7225         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7226         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7227         fixed-point types, and vectors of the same.
7229 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7231         * config/mips/sync.md (*mb_barrier): Rename to...
7232         (*memory_barrier): ...this.
7234 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
7236         * doc/extend.texi (Function Attributes): Move @cindex after @item
7237         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7238         and put in alphabetical order. Fix 'target' name and put in order.
7239         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7240         typos.
7242 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
7244         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7245         (memory_barrier): Expand as unspec instead of unspec_volatile.
7246         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7247         (*memory_barrier): Define as unspec instead of unspec_volatile.
7248         Use (match_dup 0) as input operand.
7250         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7251         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7252         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
7253         scratch register.  Remove operand 1.
7254         (*stbar): Define as unspec instead of unspec_volatile.
7255         Use (match_dup 0) as input operand, remove (const_int 8).
7256         (*membar): Define as unspec instead of unspec_volatile.
7257         Use (match_dup 0) as input operand, remove input operand 2.
7259         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7260         (memory_barrier): Expand as unspec instead of unspec_volatile.
7261         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7262         (*memory_barrier): Define as unspec instead of unspec_volatile.
7263         Use (match_dup 0) as input operand.
7265         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7266         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7267         Set volatile flag on operand 0.
7268         (*memory_barrier): New insn pattern.
7270         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7271         insn operands.
7272         (*memory_barrier): Use (match_dup 0) as input operand.
7274         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7275         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7276         Set volatile flag on operand 0.
7277         (*mb_internal): New insn pattern.
7279         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7281 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7283         PR middle-end/38586
7284         * function.c (struct temp_slot): Move to the section of the file
7285         that deals with temp slots.  Remove field 'address'.
7286         (temp_slot_address_table): New hash table of address -> temp slot.
7287         (struct temp_slot_address_entry): New struct, items for the table.
7288         (temp_slot_address_compute_hash, temp_slot_address_hash,
7289         temp_slot_address_eq, insert_temp_slot_address): Support functions
7290         for the new table.
7291         (find_temp_slot_from_address): Rewrite to use the new hash table.
7292         (remove_unused_temp_slot_addresses): Remove addresses of temp
7293         slots that have been made available.
7294         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7295         worker function for remove_unused_temp_slot_addresses.
7296         (assign_stack_temp_for_type): Don't clear the temp slot address list.
7297         Add the temp slot address to the address -> temp slot map.
7298         (update_temp_slot_address): Update via insert_temp_slot_address.
7299         (free_temp_slots): Call remove_unused_temp_slot_addresses.
7300         (pop_temp_slots): Likewise.
7301         (init_temp_slots): Allocate the address -> temp slot map, or empty
7302         the map if it is already allocated.
7303         (prepare_function_start): Initialize temp slot processing.
7305 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7307         PR middle-end/38584
7308         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7309         Calculate the size of all stack vars assuming no packing of stack
7310         vars will happen, replacing a quadratic algorithm with a linear one.
7312 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7314         PR target/38707
7315         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7316         can't be used.
7318 2009-01-03  Diego Novillo  <dnovillo@google.com>
7320         * doc/contrib.texi: Update contributions.
7322 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7324         PR c++/38705
7325         * builtins.c (fold_builtin_memory_op): Give up if either operand
7326         is volatile.  Set srctype or desttype to non-qualified version
7327         of the other type.
7329         PR c/38700
7330         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7331         and FUNCTION_DECLs.
7333 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
7335         PR rtl-optimization/35805
7336         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7337         problem if fast dce is able to remove any instructions.
7338         * dce.c (dce_process_block): Fix dump message.
7339         
7340 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
7342         PR 33649
7343         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7345 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
7347         PR middle-end/38690
7348         * tree-flow.h (op_code_prio, op_prio): New prototypes.
7349         * tree-pretty-print.c (op_code_prio): New function.
7350         (op_prio): No longer static.  Use op_code_prio.
7351         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7352         Use op_prio and op_code_prio to determine if () should be
7353         printed around operand(s) or not.
7355         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7356         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7357         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7358         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7359         pp_character instead of pp_string for single letter printing.
7361 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
7363         * doc/extend.texi: Fix '#pragma GCC option' typo.
7365 2009-01-02  Richard Guenther  <rguenther@suse.de>
7367         * doc/install.texi (--enable-checking): Mention different
7368         default for stage1.
7369         (--enable-stage1-checking): Document.
7371 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
7373         PR middle-end/30142
7374         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
7375         case to be an error.
7377 2009-01-02  Ben Elliston  <bje@au.ibm.com>
7379         * config/fp-bit.h (pack_d): Constify argument.
7380         * config/fp-bit.c (makenan): Constify return type. Remove casts.
7381         (isnan): Constify argument.
7382         (isinf): Likewise.
7383         (iszero): Likewise.
7384         (pack_d): Likewise.
7385         (_fpadd_parts): Constify return type.
7386         (_fpmul_parts): Likewise.
7387         (_fpdiv_parts): Likewise.
7389 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
7391         PR c/36489
7392         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
7393         warn about overwriting initializer with side-effects or
7394         -Woverride-init if !IMPLICIT.
7395         (output_init_element): Likewise.  Pass IMPLICIT down to
7396         add_pending_init.
7397         (process_init_element): Add IMPLICIT argument.  Pass it down
7398         to output_init_element.
7399         (push_init_element, pop_init_level, set_designator): Adjust
7400         process_init_element callers.
7401         (set_nonincremental_init, set_nonincremental_init_from_string):
7402         Adjust add_pending_init callers.
7403         (output_pending_init_elements): Adjust output_init_element callers.
7404         * c-tree.h (process_init_element): Adjust prototype.
7405         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7406         process_init_element callers.