PR 31567
[official-gcc.git] / gcc / ChangeLog
blobcdf5bb0142726fb38eb32e754c02cc57047a367a
1 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
3         PR 31567
4         * gcc.c (create_at_file): New.
5         (compile_input_file_p): New.
6         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
7         * main.c (main): Update call to toplev_main.
8         * toplev.c (toplev_main): Change signature. Call expandargv.
9         * toplev.h (toplev_main): Change signature.
11 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
13         * dwarf2out.c (field_byte_offset): Use the type size as the field size
14         if the latter is not constant.
16 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
18         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
20 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
22         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
23         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
25 2009-04-17  Richard Guenther  <rguenther@suse.de>
27         * tree-ssa-structalias.c (get_constraint_for_component_ref):
28         Handle component references view-converting an invariant address.
30 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
32         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
33         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
34         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
35         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
36         Use @deftypevr rather than @deftypevar.
38 2009-04-17  Richard Guenther  <rguenther@suse.de>
40         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up
41         tuplification.
42         (get_prop_source_stmt): Likewise.
43         (can_propagate_from): Likewise.
45 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
47         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
48         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
49         (--with-multilib-list): Add default value.
50         * configure: Regenerate.
51         * Makefile.in (TM_ENDIAN_CONFIG): Define.
52         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
53         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
54         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
55         Don't add default cpu to multilib list unnecessarily, but do enable
56         the relevant compiler option..
57         Add support for --with-multilib-list=<blank> and
58         --with-multilib-list=!<somelib> to supress unwanted multilibs.
59         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
60         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
61         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
62         TM_MULTILIB_CONFIG.
63         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
64         (MULTILIB_OSDIRNAMES): New variable.
65         * config/sh/t-1e: Delete file.
66         * config/sh/t-mlib-sh1: Delete file.
67         * config/sh/t-mlib-sh2: Delete file.
68         * config/sh/t-mlib-sh2a: Delete file.
69         * config/sh/t-mlib-sh2a-nofpu: Delete file.
70         * config/sh/t-mlib-sh2a-single: Delete file.
71         * config/sh/t-mlib-sh2a-single-only: Delete file.
72         * config/sh/t-mlib-sh2e: Delete file.
73         * config/sh/t-mlib-sh3e: Delete file.
74         * config/sh/t-mlib-sh4: Delete file.
75         * config/sh/t-mlib-sh4-nofpu: Delete file.
76         * config/sh/t-mlib-sh4-single: Delete file.
77         * config/sh/t-mlib-sh4-single-only: Delete file.
78         * config/sh/t-mlib-sh4a: Delete file.
79         * config/sh/t-mlib-sh4a-nofpu: Delete file.
80         * config/sh/t-mlib-sh4a-single: Delete file.
81         * config/sh/t-mlib-sh4a-single-only: Delete file.
82         * config/sh/t-mlib-sh4al: Delete file.
83         * config/sh/t-mlib-sh5-32media: Delete file.
84         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
85         * config/sh/t-mlib-sh5-64media: Delete file.
86         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
87         * config/sh/t-mlib-sh5-compact: Delete file.
88         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
89         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
90         * doc/install.texi (Options specification): Add
91         --with-multilib-list and --with-endian.
93 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
95         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
96         REVISION_c.
97         (OBJS-common): Add plugin-version.o.
98         (plugin-version.o): New.
99         * gcc-plugin.h (plugin_gcc_version): New.
100         (plugin_default_version_check): New.
101         (plugin_init_func, plugin_init): Add version argument.
102         * plugin-version.c: New.
103         * plugin.c (str_plugin_gcc_version_name): New.
104         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
105         pass it to the init function.
106         (plugin_default_version_check): New.
108 2009-04-17  Richard Guenther  <rguenther@suse.de>
110         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
111         for decl-vs-decl disambiguation.
113 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
115         * config/s390/s390.h (s390_tune_attr): New macro definition.
116         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
118 2009-04-17  Richard Guenther  <rguenther@suse.de>
120         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
121         (fold_stmt_r): Likewise.
122         (maybe_fold_reference): New function.
123         (fold_gimple_assign): Handle cases fold_stmt_r did.
124         (fold_stmt): Do not use fold_stmt_r.
125         (fold_stmt_inplace): Likewise.
127 2009-04-17  Richard Guenther  <rguenther@suse.de>
129         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
130         (record_equivalences_from_stmt): Remove useless checks and
131         simplifications.
132         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
133         the type is already suitable.
135 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
137         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
139 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
141         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
142         (CMPtype): Define as __gcc_CMPtype.
144 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
146         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
147         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
149 2009-04-17  Richard Guenther  <rguenther@suse.de>
151         PR tree-optimization/39746
152         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
153         special-casing for builtins and static variable use/def.
154         (call_may_clobber_ref_p_1): Likewise.
156 2009-04-16  Ian Lance Taylor  <iant@google.com>
158         * df.h: Include "timevar.h".
159         (struct df_problem): Change tv_id field to timevar_id_t.
160         * tree-pass.h: Include "timevar.h".
161         (struct opt_pass): Change tv_id field to timevar_id_t.
162         * timevar.h (timevar_id_t): Define TV_NONE.
163         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
164         TV_NONE rather than tv_id != 0.
165         (execute_one_pass): Likewise.
166         * Makefile.in (DF_H): Add $(TIMEVAR_H).
167         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
168         dependencies to $(TREE_PASS_H).
169         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
170         to TV_NONE.
171         (pass_branch_target_load_optimize2): Likewise.
172         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
173         (pass_outof_cfg_layout_mode): Likewise.
174         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
175         (pass_rebuild_cgraph_edges): Likewise.
176         (pass_remove_cgraph_callee_edges): Likewise.
177         * df-core.c (pass_df_initialize_opt): Likewise.
178         (pass_df_initialize_no_opt): Likewise.
179         (pass_df_finish): Likewise.
180         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
181         * except.c (pass_set_nothrow_function_flags): Likewise.
182         (pass_convert_to_eh_region_ranges): Likewise.
183         * final.c (pass_compute_alignments): Likewise.
184         * function.c (pass_instantiate_virtual_regs): Likewise.
185         (pass_init_function): Likewise.
186         (pass_leaf_regs): Likewise.
187         (pass_match_asm_constraints): Likewise.
188         * gimple-low.c (pass_lower_cf): Likewise.
189         (pass_mark_used_blocks): Likewise.
190         * init-regs.c (pass_initialize_regs): Likewise.
191         * integrate.c (pass_initial_value_sets): Likewise.
192         * ira.c (pass_ira): Likewise.
193         * jump.c (pass_cleanup_barriers): Likewise.
194         * omp-low.c (pass_expand_omp): Likewise.
195         (pass_lower_omp): Likewise.
196         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
197         * recog.c (pass_split_all_insns): Likewise.
198         (pass_split_after_reload): Likewise.
199         (pass_split_before_regstack): Likewise.
200         (pass_split_before_sched2): Likewise.
201         (pass_split_for_shorten_branches): Likewise.
202         * reginfo.c (pass_reginfo_init): Likewise.
203         (pass_subregs_of_mode_init): Likewise.
204         (pass_subregs_of_mode_finish): Likewise.
205         * passes.c (pass_postreload): Likewise.
206         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
207         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
208         (pass_warn_function_return): Likewise.
209         (pass_warn_function_noreturn): Likewise.
210         * tree-complex.c (pass_lower_complex): Likewise.
211         (pass_lower_complex_O0): Likewise.
212         * tree-if-conv.c (pass_if_conversion): Likewise.
213         * tree-into-ssa.c (pass_build_ssa): Likewise.
214         * tree-mudflap.c (pass_mudflap_1): Likewise.
215         (pass_mudflap_2): Likewise.
216         * tree-nomudflap.c (pass_mudflap_1): Likewise.
217         (pass_mudflap_2): Likewise.
218         * tree-nrv.c (pass_return_slot): Likewise.
219         * tree-object-size.c (pass_object_sizes): Likewise.
220         * tree-optimize.c (pass_all_optimizations): Likewise.
221         (pass_early_local_passes): Likewise.
222         (pass_all_early_optimizations): Likewise.
223         (pass_cleanup_cfg): Likewise.
224         (pass_cleanup_cfg_post_optimizing): Likewise.
225         (pass_free_datastructures): Likewise.
226         (pass_free_cfg_annotations): Likewise.
227         (pass_fixup_cfg): Likewise.
228         (pass_init_datastructures): Likewise.
229         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
230         (pass_late_warn_uninitialized): Likewise.
231         (pass_update_address_taken): Likewise.
232         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
233         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
234         (pass_cse_sincos): Likewise.
235         (pass_convert_to_rsqrt): Likewise.
236         * tree-ssa-structalias.c (pass_build_alias): Likewise.
237         * tree-stdarg.c (pass_stdarg): Likewise.
238         * tree-tailcall.c (pass_tail_recursion): Likewise.
239         (pass_tail_calls): Likewise.
240         * tree-vect-generic.c (pass_lower_vector): Likewise.
241         (pass_lower_vector_ssa): Likewise.
242         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
244 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
246         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
247         XLR entry.
248         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
249         Handle -march=xlr.
250         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
251         logical and signext.
253 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
255         PR target/39767
256         * config/sh/predicates.md (arith_operand): Check if the operand
257         of TRUNCATE is a REG.
259 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
261         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
262         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
264 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
266         * tree-iterator.c (tsi_split_statement_list_after,
267         tsi_split_statement_list_before): Remove.
268         * tree-iterator.h: Remove the prototypes for
269         tsi_split_statement_list_after and tsi_split_statement_list_before.
271 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
273         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
274         * tree-ssa-propagate.h: Remove the prototype for
275         stmt_makes_single_load.
277 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
279         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
280         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
282 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
284         * tree-iterator.c (EXPR_LAST_BODY): Remove.
286 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
288         * except.c (eh_region_outer_p): Remove.
289         * except.h: Remove the prototype for eh_region_outer_p.
291 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
293         * function.c (current_function_assembler_name): Remove.
294         * function.h: Remove the prototype for
295         current_function_assembler_name.
297 2009-04-16  Ian Lance Taylor  <iant@google.com>
299         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
300         (add_reg_note): Call alloc_reg_note.
301         * rtl.h (alloc_reg_note): Declare.
302         * combine.c (try_combine): Use alloc_reg_note.
303         (recog_for_combine, move_deaths): Likewise.
304         (distribute_notes): Use alloc_reg_note and add_reg_note.
305         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
306         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
307         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
309 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
311         PR rtl-optimization/39762
312         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
313         ira_may_move_out_cost): Add comments about way of their usage.
314         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
315         
316         * ira-conflicts.c (process_regs_for_copy): Use function
317         ira_get_register_move_cost instead of global
318         ira_register_move_cost.
320         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
321         color_pass, move_spill_restore, update_curr_costs): Ditto.
323         * ira-lives.c (process_single_reg_class_operands): Ditto.
325         * ira-emit.c (emit_move_list): Ditto.
327         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
328         (record_reg_classes): Ditto.  Use functions
329         ira_get_register_move_cost and ira_get_may_move_cost instead of
330         global vars ira_register_move_cost, ira_may_move_out_cost and
331         ira_may_move_in_cost.
332         (record_address_regs): Don't call ira_init_register_move_cost.
333         Use function ira_get_may_move_cost instead of global
334         ira_may_move_in_cost.
335         (process_bb_node_for_hard_reg_moves): Use function
336         ira_get_register_move_cost instead of global ira_register_move_cost.
337         (ira_costs): Don't call ira_init_register_move_cost.
338         
339 2009-04-16  Richard Guenther  <rguenther@suse.de>
341         * tree-cfg.c (verify_gimple_assign_binary):
342         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
343         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
344         (create_general_new_stmt): Note that this function is broken.
346 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
348         * common.opt (fhelp): Add Var(help_flag).
349         * gcc-plugin.h (plugin_info): Add help.
350         * plugin.c (plugin_name_args): Add help.
351         (register_plugin_info): Set plugin->help.
352         (print_help_one_plugin): New.
353         (print_plugins_help): New.
354         * plugin.h (print_plugins_help): New.
355         * toplev.c (toplev_main): Call print_plugins_help if needed.
357 2009-04-16  Richard Guenther  <rguenther@suse.de>
359         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
360         (gimple_ior_addresses_taken_1): New function.
361         (gimple_ior_addresses_taken): Likewise.
362         * gimple.h (struct gimple_statement_with_ops_base): Remove
363         addresses_taken member.
364         (gimple_ior_addresses_taken): Declare.
365         (gimple_addresses_taken, gimple_addresses_taken_ptr,
366         gimple_set_addresses_taken): Remove.
367         * ipa-reference.c (mark_address): New function.
368         (scan_stmt_for_static_refs): Use it for marking addresses taken.
369         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
370         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
371         (gimple_add_to_addresses_taken): Remove.
372         (get_tmr_operands): Call mark_address_taken.
373         (get_asm_expr_operands): Likewise.
374         (get_expr_operands): Likewise.
375         (build_ssa_operands): Do not clear the addresses_taken bitmap.
376         (free_stmt_operands): Do not free it.
377         * tree-ssa.c (delete_tree_ssa): Likewise.
378         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
380 2009-04-16  Richard Guenther  <rguenther@suse.de>
382         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
383         (walk_stmt_load_store_ops): Likewise.
384         * gimple.c (get_base_loadstore): New function.
385         (walk_stmt_load_store_addr_ops): Likewise.
386         (walk_stmt_load_store_ops): Likewise.
387         * ipa-pure-const.c (check_op): Simplify.
388         (check_load, check_store): New functions.
389         (check_stmt): Use walk_stmt_load_store_ops.
390         * ipa-reference.c (mark_load): Adjust signature.
391         (mark_store): Likewise.
392         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
394 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
396         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
397         (plugin_info): New.
398         * opts.c (common_handle_option): Don't call print_version.
399         * plugin.c (plugin_name_args): Add version.
400         (register_plugin_info): New.
401         (register_callback): Handle PLUGIN_INFO.
402         (try_init_one_plugin): New.
403         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
404         if failed to init.
405         (finalize_one_plugin): New.
406         (finalize_plugins): New.
407         (print_one_plugin): New.
408         (print_plugins_versions): New.
409         * plugin.h (print_plugins_versions): New.
410         (finalize_plugins): New.
411         * toplev.c (compile_file): Don't call initialize_plugins.
412         (print_version): Call print_plugins_versions.
413         (toplev_main): Call initialize_plugins. Print version if needed.
414         Call finalize_plugins.
416 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
418         * common.opt (fversion): New.
419         * gcc.c (print_version): New.
420         (process_command): Don't print the version. Just set print_version.
421         (main): Print version. Call subprocesses if print_version and
422         verbose_flag are set.
423         * opts.c (common_handle_option): Handle OPT_fversion.
425 2009-04-16  Richard Guenther  <rguenther@suse.de>
426             Ira Rosen  <irar@il.ibm.com>
428         PR tree-optimization/39698
429         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
430         type of the reduction variable.  Only generate the def if
431         it is needed.
433         * omp-low.c (expand_omp_for_generic): When converting to a pointer
434         make sure to first convert to an integer of the same precision.
435         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
436         the type of the evolution correctly in computing the new
437         induction variable base.
439 2009-04-16  Richard Guenther  <rguenther@suse.de>
441         PR middle-end/39625
442         * tree-cfg.c (make_blocks): Split statements with to-be
443         abnormal SSA names on the lhs.
445 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
447         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
448         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
449         * c-typeck.c (really_start_incremental_init): Likewise.
450         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
451         (TARGET_INITIALIZER): Remove it.
452         * target.h (struct target): Remove vector_opaque_p.
453         * tree.c (build_opaque_vector_type): New.
454         * tree.h (TYPE_VECTOR_OPAQUE): New.
455         (build_opaque_vector_type): Declare.
456         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
457         * config/rs6000/rs6000.c (build_opaque_vector_type,
458         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
459         (rs6000_init_builtins): Use build_opaque_vector_type for
460         opaque_V4SI_type_node.
462 2009-04-15  Catherine Moore  <clm@codesourcery.com>
464         * debug.h (set_name):  Declare.
465         * dwarf2out.c (dwarf2out_set_name): Declare.
466         (dwarf2_debug_hooks): Add set_name.
467         (find_AT_string): New.
468         (add_AT_string): Call find_AT_string.
469         (dwarf2out_set_name): New.
470         * cp/decl.c (grokdeclarator): Call set_name.
471         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
472         * debug.c (do_nothing_debug_hooks):  Likewise.
473         * dbxout.c (dbx_debug_hooks): Likewise.
474         * sdbout.c (sdb_debug_hooks): Likewise.
476 2009-04-15  Michael Eager <eager@eagercon.com>
478         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
479         reg for single-precision FPU.
480         * config/rs6000/rs6000.md (movsi_internal1): Only for
481         !TARGET_SINGLE_FPU.
482         (movsi_internal1_single): New. Add pattern to move SI values to/from
483         single-precision FP regs.
485 2009-04-15  Richard Guenther  <rguenther@suse.de>
487         * omp-low.c (lower_rec_input_clauses): Build correct address
488         expressions.
489         (expand_omp_for_generic): Fix multiplication type.
490         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
491         (generate_memset_zero): Fix types.
492         * tree-profile.c (prepare_instrumented_value): Correctly
493         widen a pointer.
495 2009-04-15  Ian Lance Taylor  <iant@google.com>
497         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
498         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
499         for -Wall and for -Wc++-compat.
500         (c_common_post_options): For C++, set warn_enum_compare if not
501         already set.
502         * c-tree.h (struct c_expr): Add field original_type.
503         (build_external_ref): Update declaration.
504         * c-parser.c (c_parser_braced_init): Set original_type.
505         (c_parser_initelt): Likewise.
506         (c_parser_expr_no_commas): Likewise.
507         (c_parser_conditional_expression): Likewise.
508         (c_parser_cast_expression): Likewise.
509         (c_parser_unary_expression): Likewise.  Pull setting of
510         original_code to top of function.
511         (c_parser_sizeof_expression): Set original_type.
512         (c_parser_alignof_expression): Likewise.
513         (c_parser_postfix_expression): Likewise.  Pull setting of
514         original_code to top of function.
515         (c_parser_postfix_expression_after_paren_type): Set original_type.
516         (c_parser_postfix_expression_after_primary): Likewise.
517         (c_parser_expression): Likewise.
518         * c-typeck.c (build_external_ref): Add type parameter.  Change all
519         callers.
520         (c_expr_sizeof_expr): Set original_type field.
521         (parser_build_unary_op): Likewise.
522         (parser_build_binary_op): Likewise.  Optionally warn about
523         comparisons of enums of different types.
524         (digest_init): Set original_type field.
525         (really_start_incremental_init): Likewise.
526         (push_init_level, pop_init_level): Likewise.
527         * doc/invoke.texi (Warning Options): -Wenum-compare now
528         supported in C.
530 2009-04-15  Richard Guenther  <rguenther@suse.de>
532         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
533         out a necessary conversion.
534         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
535         names we didn't value number.
536         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
538 2009-04-15  Richard Guenther  <rguenther@suse.de>
540         PR tree-optimization/39764
541         * tree-ssa-ccp.c (get_value): Canonicalize value with
542         canonicalize_float_value.
544 2009-04-15  Jan Hubicka  <jh@suse.cz>
546         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
547         Wrong version of patch.
549 2009-04-15  Jan Hubicka  <jh@suse.cz>
551         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
553 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
555         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
556         our distinct integral and vector types.
558 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
560         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
561         * init.c (build_vtbl_address): Remove call to assemble_external.
563 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
565         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
566         output for other floating point modes.
568 2009-04-14  Diego Novillo  <dnovillo@google.com>
570         * diagnostic.c (diagnostic_report_diagnostic): Do not
571         warn about loaded plugins for DK_ERROR and DK_WARNING.
572         * c-decl.c (declspecs_add_type): Move call to
573         invoke_plugin_callbacks ...
574         * c-parser.c (c_parser_declspecs): ... here.
575         * plugin.c (dump_active_plugins): Tidy output.
577 2009-04-14  Diego Novillo  <dnovillo@google.com>
578             Le-Chun Wu  <lcwu@google.com>
580         * configure.ac: Add --enable-plugin support.
581         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
582         * Makefile.in (PLUGIN_H): Define.
583         Export ENABLE_PLUGIN and GMPINC to site.exp.
584         Add PLUGINLIBS to link command.
585         Add/modify dependencies for plugin.o and files including plugin.h.
586         (plugin.o): New.
587         * config.in: Regenerate.
588         
589         * opts.c (common_handle_option): Handle OPT_fplugin_ and
590         OPT_fplugin_arg_.
592 2009-04-14  Le-Chun Wu  <lcwu@google.com>
594         * tree-pass.h (register_one_dump_file): Add a prototype for
595         register_one_dump_file.
596         * toplev.c (compile_file): Call initialize_plugins.
597         (do_compile): Call invoke_plugin_callbacks.
598         (toplev_main): Call invoke_plugin_callbacks.
599         * common.opt: Add -fplugin= and -fplugin-arg-.
600         * gcc-plugin.h: New public header file for plugins to include.
601         * plugin.c: New source file.
602         * plugin.h: New internal header file.
603         * passes.c (register_one_dump_file): Make it external.
604         
605         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
607 2009-04-14  Diego Novillo  <dnovillo@google.com>
609         * doc/plugins.texi: New.
610         * doc/gccint.texi: Add reference to Plugins chapter.
611         * doc/invoke.texi: Document -fplugin and -fplugin-arg
612         * diagnostic.c (diagnostic_report_diagnostic): Warn about
613         loaded plugins, if any.
614         * timevar.def (TV_PLUGIN_INIT): Define.
615         (TV_PLUGIN_RUN): Define.
616         * plugin.c: Include timevar.h
617         (plugins_active_p): New.
618         (dump_active_plugins): New.
619         (debug_active_plugins): New.
621 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
623         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
624         library paths.
625         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
627 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
629         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
630         the same as a minus without a shift.
632 2009-04-14  Nick Clifton  <nickc@redhat.com>
634         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
635         comparisons with small integers will always produce a short
636         branch.
638 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
640         Merge:
641         2008-12-19  Diego Novillo  <dnovillo@google.com>
643         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
645 2000-04-14  Richard Guenther  <rguenther@suse.de>
647         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
648         verification.
649         (verify_gimple_assign_binary): Likewise.  Handle shifts and
650         rotates correctly.
651         (verify_gimple_phi): Print the mismatched argument position.
652         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
653         Fix types.
654         (vect_update_init_of_dr): Likewise.
655         * matrix-reorg.c (transform_access_sites): Do what the
656         comment suggests.
657         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
659 2009-04-13  Michael Eager <eager@eagercon.com>
661         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
662         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
663         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
664         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
665         remove duplicate config
667 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
669         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
670         file_name:line_number type locator of the call site.
671         
672 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
674         * genautomata.c: Put blank after comma.
675         (automaton_decls): New.
676         (struct unit_usage): Add comments to member next.
677         (store_alt_unit_usage): Keep the list ordered.
678         (unit_present_on_list_p, equal_alternatives_p): New.
679         (check_regexp_units_distribution): Check units distribution
680         correctness correctly.
681         (main): Don't write automata if error is found.  Return correct
682         exit code.
683         
684         * config/m68k/cf.md (cfv4_ds): Remove.
685         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
686         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
688         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
689         power4-load-ext, power4-store, power4-store-update,
690         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
691         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
692         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
693         power4-sqrt, power4-isync): Modify reservation to make correct
694         unit distribution to automata.
696         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
697         power5-store-update, power5-two, power5-three, power5-lmul,
698         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
699         
700 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
702         * except.c (pass_set_nothrow_function_flags): Set name and add
703         TODO_dump_func.
704         (set_nothrow_function_flags): Mention in the dump file when
705         changing a function to nothrow.
707 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
709         PR/39066
710         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
711         instead of unsigned long.
713 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
715         * config/arm/arm.c (return_used_this_function): Remove.
716         (arm_output_function_prologue): Remove use of
717         return_used_this_function.
718         (output_return_instruction): Replace use of
719         return_used_this_function
720         by cfun->machine->return_used_this_function.
721         (arm_output_epilogue): Likewise.
722         (arm_output_function_epilogue): Likewise.
723         (thumb_unexpanded_epilogue): Likewise.
724         * config/arm/arm.h (struct machine_function):
725         New member return_used_this_function.
727 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
729         * doc/install.texi: Correct description of default directory for
730         --with-gxx-include-dir.
732 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
734         * fold-const.c (build_range_check): Properly deal with enumeral and
735         boolean base types.
737 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
739         * doc/invoke.texi (max_gcse_passes): Remove documentation.
740         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
741         * params.h (MAX_GCSE_PASSES): Remove.
742         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
743         in sequence.  Remove ability to run multiple passes.
744         (bypass_jumps): Report run as third CPROP pass.
746 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
748         PR middle-end/39651
749         * except.c (can_throw_external): Look at each insn in a SEQUENCE
750         when deciding whether the whole SEQUENCE can throw.
752 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
754         PR target/39740
755         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
756         offseted label references.
758 2009-04-11  Jan Hubicka  <jh@suse.cz>
760         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
762 2009-04-11  Richard Guenther  <rguenther@suse.de>
764         PR middle-end/39732
765         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
766         return variables as TREE_ADDRESSABLE.
768 2009-04-11  Richard Guenther  <rguenther@suse.de>
770         PR tree-optimization/39713
771         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
772         reference trees have SSA_NAME operands.
774 2009-04-11  Richard Guenther  <rguenther@suse.de>
776         PR c/39712
777         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
778         address expressions.
780 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
782         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
783         match changes in Cygwin 1.7
784         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
785         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
787 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
789         PR tree-optimization/39701
790         * doc/invoke.texi (Optimization Options): Document change in
791         meaning and initialization of -fdelete-null-pointer-checks.
793 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
795         PR middle-end/39701
796         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
798         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
799         here.
801         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
803 2009-04-10  Chao-ying Fu  <fu@mips.com>
805         * doc/tm.texi (Instruction Output): Document
806         TARGET_ASM_FINAL_POSTSCAN_INSN.
807         * target.h (final_postscan_insn): New field in asm_out.
808         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
809         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
810         * final.c (final_scan_insn): Call
811         targetm.asm_out.final_postscan_insn after outputting
812         an asm macro and a normal instruction.
814         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
815         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
816         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
817         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
818         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
820 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
822         PR middle-end/39701
823         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
824         variables as non-NULL even with -fdelete-null-pointer-checks.
826 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
828         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
830 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
832         PR target/39678
833         * config/i386/i386.c (classify_argument): Handle SCmode with
834         (bit_offset % 64) != 0.
836 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
838         * doc/invoke.texi (Optimize Options): Add cross-reference to
839         -Q --help=optimizers examples.
841 2009-04-10  Ben Elliston  <bje@au.ibm.com>
843         PR target/36800
844         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
845         regalign for the reg == fpr and TDmode case.
847 2009-04-09  David Ayers  <ayers@fsfe.org>
849         PR objc/29200
850         * objc/objc-act.c (warn_with_method): Remove helper function.
851         (check_duplicates): Call warning and inform directly.
852         (really_start_method): Likewise.
854 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
856         * expmed.c (expand_divmod): Always use a comparison for a division
857         by a large unsigned integer.
859         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
860         for things others than variables or functions as nonzero.
862 2009-04-09  Nick Clifton  <nickc@redhat.com>
864         * unwind-compat.c: Change copyright header to refer to version
865         3 of the GNU General Public License with version 3.1 of the
866         GCC Runtime Library Exception and to point readers at the
867         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
868         * config/alpha/crtfastmath.c: Likewise.
869         * config/alpha/linux-unwind.h: Likewise.
870         * config/alpha/qrnnd.asm: Likewise.
871         * config/alpha/vms-crt0-64.c: Likewise.
872         * config/alpha/vms-crt0.c: Likewise.
873         * config/alpha/vms-dwarf2.asm: Likewise.
874         * config/alpha/vms-dwarf2eh.asm: Likewise.
875         * config/alpha/vms-psxcrt0-64.c: Likewise.
876         * config/alpha/vms-psxcrt0.c: Likewise.
877         * config/alpha/vms_tramp.asm: Likewise.
878         * config/arc/initfini.c: Likewise.
879         * config/arc/lib1funcs.asm: Likewise.
880         * config/arm/bpabi-v6m.S: Likewise.
881         * config/arm/bpabi.S: Likewise.
882         * config/arm/bpabi.c: Likewise.
883         * config/arm/crti.asm: Likewise.
884         * config/arm/crtn.asm: Likewise.
885         * config/arm/ieee754-df.S: Likewise.
886         * config/arm/ieee754-sf.S: Likewise.
887         * config/arm/lib1funcs.asm: Likewise.
888         * config/arm/libunwind.S: Likewise.
889         * config/arm/linux-atomic.c: Likewise.
890         * config/arm/mmintrin.h: Likewise.
891         * config/arm/pr-support.c: Likewise.
892         * config/arm/unaligned-funcs.c: Likewise.
893         * config/arm/unwind-arm.c: Likewise.
894         * config/arm/unwind-arm.h: Likewise.
895         * config/avr/libgcc.S: Likewise.
896         * config/bfin/crti.s: Likewise.
897         * config/bfin/crtlibid.s: Likewise.
898         * config/bfin/crtn.s: Likewise.
899         * config/bfin/lib1funcs.asm: Likewise.
900         * config/bfin/linux-unwind.h: Likewise.
901         * config/cris/arit.c: Likewise.
902         * config/cris/cris_abi_symbol.c: Likewise.
903         * config/darwin-64.c: Likewise.
904         * config/darwin-crt2.c: Likewise.
905         * config/darwin-crt3.c: Likewise.
906         * config/darwin.h: Likewise.
907         * config/dbxelf.h: Likewise.
908         * config/dfp-bit.c: Likewise.
909         * config/dfp-bit.h: Likewise.
910         * config/elfos.h: Likewise.
911         * config/fixed-bit.c: Likewise.
912         * config/fixed-bit.h: Likewise.
913         * config/fp-bit.c: Likewise.
914         * config/fp-bit.h: Likewise.
915         * config/fr30/crti.asm: Likewise.
916         * config/fr30/crtn.asm: Likewise.
917         * config/fr30/lib1funcs.asm: Likewise.
918         * config/freebsd-spec.h: Likewise.
919         * config/frv/cmovd.c: Likewise.
920         * config/frv/cmovh.c: Likewise.
921         * config/frv/cmovw.c: Likewise.
922         * config/frv/frvbegin.c: Likewise.
923         * config/frv/frvend.c: Likewise.
924         * config/frv/lib1funcs.asm: Likewise.
925         * config/glibc-stdint.h: Likewise.
926         * config/h8300/clzhi2.c: Likewise.
927         * config/h8300/crti.asm: Likewise.
928         * config/h8300/crtn.asm: Likewise.
929         * config/h8300/ctzhi2.c: Likewise.
930         * config/h8300/fixunssfsi.c: Likewise.
931         * config/h8300/lib1funcs.asm: Likewise.
932         * config/h8300/parityhi2.c: Likewise.
933         * config/h8300/popcounthi2.c: Likewise.
934         * config/i386/ammintrin.h: Likewise.
935         * config/i386/att.h: Likewise.
936         * config/i386/avxintrin.h: Likewise.
937         * config/i386/biarch64.h: Likewise.
938         * config/i386/bmmintrin.h: Likewise.
939         * config/i386/cpuid.h: Likewise.
940         * config/i386/cross-stdarg.h: Likewise.
941         * config/i386/crtfastmath.c: Likewise.
942         * config/i386/crtprec.c: Likewise.
943         * config/i386/cygming-crtbegin.c: Likewise.
944         * config/i386/cygming-crtend.c: Likewise.
945         * config/i386/cygwin.asm: Likewise.
946         * config/i386/emmintrin.h: Likewise.
947         * config/i386/gmm_malloc.h: Likewise.
948         * config/i386/gthr-win32.c: Likewise.
949         * config/i386/i386.h: Likewise.
950         * config/i386/immintrin.h: Likewise.
951         * config/i386/linux-unwind.h: Likewise.
952         * config/i386/linux64.h: Likewise.
953         * config/i386/mm3dnow.h: Likewise.
954         * config/i386/mmintrin-common.h: Likewise.
955         * config/i386/mmintrin.h: Likewise.
956         * config/i386/nmmintrin.h: Likewise.
957         * config/i386/pmm_malloc.h: Likewise.
958         * config/i386/pmmintrin.h: Likewise.
959         * config/i386/smmintrin.h: Likewise.
960         * config/i386/sol2-c1.asm: Likewise.
961         * config/i386/sol2-ci.asm: Likewise.
962         * config/i386/sol2-cn.asm: Likewise.
963         * config/i386/sol2-gc1.asm: Likewise.
964         * config/i386/tmmintrin.h: Likewise.
965         * config/i386/unix.h: Likewise.
966         * config/i386/w32-unwind.h: Likewise.
967         * config/i386/wmmintrin.h: Likewise.
968         * config/i386/x86-64.h: Likewise.
969         * config/i386/x86intrin.h: Likewise.
970         * config/i386/xmmintrin.h: Likewise.
971         * config/ia64/crtbegin.asm: Likewise.
972         * config/ia64/crtend.asm: Likewise.
973         * config/ia64/crtfastmath.c: Likewise.
974         * config/ia64/crti.asm: Likewise.
975         * config/ia64/crtn.asm: Likewise.
976         * config/ia64/fde-glibc.c: Likewise.
977         * config/ia64/lib1funcs.asm: Likewise.
978         * config/ia64/linux-unwind.h: Likewise.
979         * config/ia64/quadlib.c: Likewise.
980         * config/ia64/unwind-ia64.c: Likewise.
981         * config/linux.h: Likewise.
982         * config/m32c/m32c-lib1.S: Likewise.
983         * config/m32c/m32c-lib2-trapv.c: Likewise.
984         * config/m32c/m32c-lib2.c: Likewise.
985         * config/m32r/initfini.c: Likewise.
986         * config/m68hc11/larith.asm: Likewise.
987         * config/m68hc11/m68hc11-crt0.S: Likewise.
988         * config/m68k/cf.md: Likewise.
989         * config/m68k/crti.s: Likewise.
990         * config/m68k/crtn.s: Likewise.
991         * config/m68k/lb1sf68.asm: Likewise.
992         * config/m68k/linux-unwind.h: Likewise.
993         * config/mcore/crti.asm: Likewise.
994         * config/mcore/crtn.asm: Likewise.
995         * config/mcore/lib1.asm: Likewise.
996         * config/mips/linux-unwind.h: Likewise.
997         * config/mips/loongson.h: Likewise.
998         * config/mips/mips16.S: Likewise.
999         * config/mmix/crti.asm: Likewise.
1000         * config/mmix/crtn.asm: Likewise.
1001         * config/pa/fptr.c: Likewise.
1002         * config/pa/hpux-unwind.h: Likewise.
1003         * config/pa/lib2funcs.asm: Likewise.
1004         * config/pa/linux-atomic.c: Likewise.
1005         * config/pa/linux-unwind.h: Likewise.
1006         * config/pa/milli64.S: Likewise.
1007         * config/pa/quadlib.c: Likewise.
1008         * config/pa/stublib.c: Likewise.
1009         * config/picochip/libgccExtras/adddi3.asm: Likewise.
1010         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
1011         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
1012         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
1013         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
1014         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
1015         * config/picochip/libgccExtras/divmod15.asm: Likewise.
1016         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
1017         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
1018         * config/picochip/libgccExtras/longjmp.asm: Likewise.
1019         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
1020         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
1021         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
1022         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
1023         * config/picochip/libgccExtras/setjmp.asm: Likewise.
1024         * config/picochip/libgccExtras/subdi3.asm: Likewise.
1025         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
1026         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
1027         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
1028         * config/rs6000/750cl.h: Likewise.
1029         * config/rs6000/altivec.h: Likewise.
1030         * config/rs6000/biarch64.h: Likewise.
1031         * config/rs6000/crtresfpr.asm: Likewise.
1032         * config/rs6000/crtresgpr.asm: Likewise.
1033         * config/rs6000/crtresxfpr.asm: Likewise.
1034         * config/rs6000/crtresxgpr.asm: Likewise.
1035         * config/rs6000/crtsavfpr.asm: Likewise.
1036         * config/rs6000/crtsavgpr.asm: Likewise.
1037         * config/rs6000/darwin-asm.h: Likewise.
1038         * config/rs6000/darwin-fallback.c: Likewise.
1039         * config/rs6000/darwin-fpsave.asm: Likewise.
1040         * config/rs6000/darwin-ldouble.c: Likewise.
1041         * config/rs6000/darwin-tramp.asm: Likewise.
1042         * config/rs6000/darwin-unwind.h: Likewise.
1043         * config/rs6000/darwin-vecsave.asm: Likewise.
1044         * config/rs6000/darwin-world.asm: Likewise.
1045         * config/rs6000/e500crtres32gpr.asm: Likewise.
1046         * config/rs6000/e500crtres64gpr.asm: Likewise.
1047         * config/rs6000/e500crtres64gprctr.asm: Likewise.
1048         * config/rs6000/e500crtrest32gpr.asm: Likewise.
1049         * config/rs6000/e500crtrest64gpr.asm: Likewise.
1050         * config/rs6000/e500crtresx32gpr.asm: Likewise.
1051         * config/rs6000/e500crtresx64gpr.asm: Likewise.
1052         * config/rs6000/e500crtsav32gpr.asm: Likewise.
1053         * config/rs6000/e500crtsav64gpr.asm: Likewise.
1054         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
1055         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
1056         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
1057         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
1058         * config/rs6000/eabi-ci.asm: Likewise.
1059         * config/rs6000/eabi-cn.asm: Likewise.
1060         * config/rs6000/eabi.asm: Likewise.
1061         * config/rs6000/linux-unwind.h: Likewise.
1062         * config/rs6000/linux64.h: Likewise.
1063         * config/rs6000/paired.h: Likewise.
1064         * config/rs6000/paired.md: Likewise.
1065         * config/rs6000/ppc64-fp.c: Likewise.
1066         * config/rs6000/ppu_intrinsics.h: Likewise.
1067         * config/rs6000/rs6000.h: Likewise.
1068         * config/rs6000/si2vmx.h: Likewise.
1069         * config/rs6000/sol-ci.asm: Likewise.
1070         * config/rs6000/sol-cn.asm: Likewise.
1071         * config/rs6000/spe.h: Likewise.
1072         * config/rs6000/spu2vmx.h: Likewise.
1073         * config/rs6000/sysv4.h: Likewise.
1074         * config/rs6000/tramp.asm: Likewise.
1075         * config/rs6000/vec_types.h: Likewise.
1076         * config/s390/linux-unwind.h: Likewise.
1077         * config/s390/tpf-unwind.h: Likewise.
1078         * config/score/crti.asm: Likewise.
1079         * config/score/crtn.asm: Likewise.
1080         * config/sh/crt1.asm: Likewise.
1081         * config/sh/crti.asm: Likewise.
1082         * config/sh/crtn.asm: Likewise.
1083         * config/sh/divtab-sh4-300.c: Likewise.
1084         * config/sh/divtab-sh4.c: Likewise.
1085         * config/sh/divtab.c: Likewise.
1086         * config/sh/lib1funcs-4-300.asm: Likewise.
1087         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
1088         * config/sh/lib1funcs.asm: Likewise.
1089         * config/sh/lib1funcs.h: Likewise.
1090         * config/sh/linux-atomic.asm: Likewise.
1091         * config/sh/linux-unwind.h: Likewise.
1092         * config/sh/shmedia.h: Likewise.
1093         * config/sh/sshmedia.h: Likewise.
1094         * config/sh/ushmedia.h: Likewise.
1095         * config/sparc/crtfastmath.c: Likewise.
1096         * config/sparc/linux-unwind.h: Likewise.
1097         * config/sparc/sol2-c1.asm: Likewise.
1098         * config/sparc/sol2-ci.asm: Likewise.
1099         * config/sparc/sol2-cn.asm: Likewise.
1100         * config/spu/divmodti4.c: Likewise.
1101         * config/spu/divv2df3.c: Likewise.
1102         * config/spu/float_disf.c: Likewise.
1103         * config/spu/float_unsdidf.c: Likewise.
1104         * config/spu/float_unsdisf.c: Likewise.
1105         * config/spu/float_unssidf.c: Likewise.
1106         * config/spu/mfc_multi_tag_release.c: Likewise.
1107         * config/spu/mfc_multi_tag_reserve.c: Likewise.
1108         * config/spu/mfc_tag_release.c: Likewise.
1109         * config/spu/mfc_tag_reserve.c: Likewise.
1110         * config/spu/mfc_tag_table.c: Likewise.
1111         * config/spu/multi3.c: Likewise.
1112         * config/spu/spu_internals.h: Likewise.
1113         * config/spu/spu_intrinsics.h: Likewise.
1114         * config/spu/spu_mfcio.h: Likewise.
1115         * config/spu/vec_types.h: Likewise.
1116         * config/spu/vmx2spu.h: Likewise.
1117         * config/stormy16/stormy16-lib2.c: Likewise.
1118         * config/svr4.h: Likewise.
1119         * config/sync.c: Likewise.
1120         * config/v850/lib1funcs.asm: Likewise.
1121         * config/vxlib-tls.c: Likewise.
1122         * config/vxlib.c: Likewise.
1123         * config/vxworks-dummy.h: Likewise.
1124         * config/xtensa/crti.asm: Likewise.
1125         * config/xtensa/crtn.asm: Likewise.
1126         * config/xtensa/ieee754-df.S: Likewise.
1127         * config/xtensa/ieee754-sf.S: Likewise.
1128         * config/xtensa/lib1funcs.asm: Likewise.
1129         * config/xtensa/lib2funcs.S: Likewise.
1130         * config/xtensa/linux-unwind.h: Likewise.
1131         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1132         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1133         * coretypes.h: Likewise.
1134         * crtstuff.c: Likewise.
1135         * defaults.h: Likewise.
1136         * dwarf2.h: Likewise.
1137         * emutls.c: Likewise.
1138         * gbl-ctors.h: Likewise.
1139         * gcov-io.h: Likewise.
1140         * ginclude/float.h: Likewise.
1141         * ginclude/iso646.h: Likewise.
1142         * ginclude/stdarg.h: Likewise.
1143         * ginclude/stdbool.h: Likewise.
1144         * ginclude/stddef.h: Likewise.
1145         * ginclude/stdfix.h: Likewise.
1146         * ginclude/stdint-gcc.h: Likewise.
1147         * ginclude/tgmath.h: Likewise.
1148         * gthr-aix.h: Likewise.
1149         * gthr-dce.h: Likewise.
1150         * gthr-gnat.c: Likewise.
1151         * gthr-gnat.h: Likewise.
1152         * gthr-lynx.h: Likewise.
1153         * gthr-mipssde.h: Likewise.
1154         * gthr-nks.h: Likewise.
1155         * gthr-posix.c: Likewise.
1156         * gthr-posix.h: Likewise.
1157         * gthr-posix95.h: Likewise.
1158         * gthr-rtems.h: Likewise.
1159         * gthr-single.h: Likewise.
1160         * gthr-solaris.h: Likewise.
1161         * gthr-tpf.h: Likewise.
1162         * gthr-vxworks.h: Likewise.
1163         * gthr-win32.h: Likewise.
1164         * gthr.h: Likewise.
1165         * libgcc2.c: Likewise.
1166         * libgcc2.h: Likewise.
1167         * libgcov.c: Likewise.
1168         * tsystem.h: Likewise.
1169         * typeclass.h: Likewise.
1170         * unwind-c.c: Likewise.
1171         * unwind-compat.h: Likewise.
1172         * unwind-dw2-fde-compat.c: Likewise.
1173         * unwind-dw2-fde-darwin.c: Likewise.
1174         * unwind-dw2-fde-glibc.c: Likewise.
1175         * unwind-dw2-fde.c: Likewise.
1176         * unwind-dw2-fde.h: Likewise.
1177         * unwind-dw2.c: Likewise.
1178         * unwind-dw2.h: Likewise.
1179         * unwind-generic.h: Likewise.
1180         * unwind-pe.h: Likewise.
1181         * unwind-sjlj.c: Likewise.
1182         * unwind.inc: Likewise.
1183         * config/arm/neon-gen.ml: Change generated copyright header to
1184         refer to version 3 of the GNU General Public License with
1185         version 3.1 of the GCC Runtime Library Exception and to point
1186         readers at the COPYING3 and COPYING3.RUNTIME files and the
1187         FSF's license web page.
1188         * config/arm/arm_neon.h: Regenerate.
1190 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
1192         * config/cris/cris.md: Change copyright header to refer to version
1193         3 of the GNU General Public License.
1194         * doc/install.texi2html: Change copyright header to refer to version
1195         3 of the GNU General Public License and to point readers at the
1196         COPYING3 file and the FSF's license web page.
1197         * config/vax/linux.h: Likewise.
1199 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1201         * config/i386/i386.md (cmpcc): New.
1202         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1203         (sync_compare_and_swap_cc*): Delete.
1205         * config/s390/s390.c (s390_compare_emitted): Remove.
1206         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1207         s390_compare_emitted used to be handled.  Assert that modes match.
1208         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1209         refer to sync_compare_and_swap_ccsi.
1210         * config/s390/s390.h (s390_compare_emitted): Remove.
1211         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1212         instead of s390_compare_emitted.
1213         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1214         instead of s390_compare_emitted.
1215         * config/s390/s390.md (cmpcc): New.
1216         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1217         CC_REGNUM, do not pretend it's set.
1218         (sync_compare_and_swap_cc*): Delete.
1219         * config/s390/predicates.md (cc_reg_operand): New.
1221         * expr.c (sync_compare_and_swap_cc): Delete.
1222         * optabs.h (sync_compare_and_swap_cc): Delete.
1223         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1224         is being used with can_compare_p.
1225         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1226         (find_cc_set): New.
1227         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1228         look for a MODE_CC set instead.  Use emit_store_flag.
1229         (expand_compare_and_swap_loop): Likewise, with some additional
1230         complication to avoid a force_reg when useless.  Use
1231         emit_cmp_and_jump_insns.
1232         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1233         * doc/md.texi (sync_compare_and_swap_cc): Merge with
1234         sync_compare_and_swap documentation.
1236 2009-04-09  Jan Hubicka  <jh@suse.cz>
1238         * except.c (find_prev_try): Break out from ....
1239         (duplicate_eh_regions): ... here; properly update prev_try pointers
1240         when duplication part of tree.
1241         (dump_eh_tree): Improve dumping.
1242         (verify_eh_region): New.
1243         (verify_eh_tree): Use it.
1245 2009-04-06  Richard Guenther  <rguenther@suse.de>
1247         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1248         &ARRAY addresses by adjusting their types and prepending
1249         a conversion.
1250         * tree-cfg.c (verify_gimple_assign_single): Verify that
1251         addresses are correct.
1253 2009-04-09  Richard Guenther  <rguenther@suse.de>
1255         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1256         indices into an array reference if possible.
1257         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1258         Fold POINTER_PLUS_EXPR statements with invariant address.
1260 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
1262         PR target/39634
1263         * config.gcc (powerpc64-*-linux*): Always build biarch.
1265 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
1267         PR c/39613
1268         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1269         it and pedwarn if this results in an INTEGER_CST.
1271 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1273         * doc/install.texi: Update minimum GMP version.  Remove obsolete
1274         text in MPFR section.
1276 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1278         * dwarf2out.c (class_scope_p): New static inline.
1279         (class_or_namespace_scope_p): Use it.
1280         (gen_variable_die): Use DW_TAG_member tag for static data member
1281         declarations instead of DW_TAG_variable.
1283         PR middle-end/39573
1284         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1285         variables.
1287 2009-04-08  Richard Guenther  <rguenther@suse.de>
1289         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1290         valueize random data.
1292 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
1294         * config.gcc (aix tm_file):  Add aix-stdint.h.
1295         (aix tm clause use_gcc_stdint):  Set to wrap.
1296         * config/rs6000/aix-stdint.h:  New file.
1297         
1298 2009-04-08  Richard Guenther  <rguenther@suse.de>
1300         PR middle-end/36291
1301         * tree-dfa.c (add_referenced_var): Do not recurse into
1302         global initializers.
1303         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1304         exposed variables.
1305         (fold_const_aggregate_ref): Likewise.
1307 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1309         * recog.c (ordered_comparison_operator): New.
1310         * gensupport.c (std_preds): Add it.
1311         * doc/md.texi (Machine-Independent Predicates): Document it.
1313 2009-04-08  Jan Hubicka  <jh@suse.cz>
1315         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1316         * function.h (rtl_eh): Remove exception_handler_label_map.
1317         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1318         remove_exception_handler_label, for_each_eh_label_1): Remove.
1319         (rtl_remove_unreachable_regions): Remove.
1320         (convert_from_eh_region_ranges): Do not remove unreachable regions.
1321         (find_exception_handler_labels): Don't build the hashtable.
1322         (maybe_remove_eh_handler): Remove.
1323         (for_each_eh_label): Rewrite to walk the tree.
1324         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1325         * except.h (maybe_remove_eh_handler): Remove.
1326         * passes.c (init_optimization_passes): Schedule second EH cleanup
1327         before out-of-ssa.
1328         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1329         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1331 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1333         * genoutput.c (validate_optab_operands): New.
1334         (gen_insn, gen_expand): Call it.
1336         * genflags.c (gen_insn): Detect misused iterators.
1337         (main): Pass line_no to gen_insn, exit with status 1 on error.
1339         * genextract.c (line_no): Make global.
1340         (VEC_safe_set_locstr): Change assertion to error message.
1341         (main): Exit with status 1 on error.
1343 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
1345         PR c/39614
1346         PR c/39673
1347         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1348         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1349         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1350         * c-convert.c (convert): Do not call fold on results of conversion
1351         functions when the result is a C_MAYBE_CONST_EXPR.
1352         * c-parser.c (c_parser_postfix_expression): Do not fold condition
1353         of __builtin_choose_expr.
1354         * c-typeck.c (remove_c_maybe_const_expr): New.
1355         (build_unary_op, build_conditional_expr, build_compound_expr,
1356         build_binary_op, c_objc_common_truthvalue_conversion): Call
1357         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1358         integer operands.
1360 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1362         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
1363         CODE to produce a new one. Add a prototype to use fold_convert_const
1365 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
1367         PR bootstrap/39660
1368         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1369         mix declarations and code.
1371 2009-04-08  Ben Elliston  <bje@au.ibm.com>
1373         * gcc.c: Replace `CC' with `GCC' throughout.
1375 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1377         * doc/invoke.texi: Document Atom support.
1379 2009-04-07  Jason Merrill  <jason@redhat.com>
1381         PR c++/25185
1382         * c-common.h, c-common.c: Add flag_pretty_templates.
1383         * c-opts.c (c_common_handle_option): Set it.
1384         * c.opt: Add -fno-pretty-templates.
1385         * doc/invoke.texi (C++ Dialect Options): Likewise.
1387 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
1389         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1390         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1391         (ia64_expand_builtin): Likewise.
1393 2009-04-07  Martin Jambor  <mjambor@suse.cz>
1395         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1396         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1397         ADDR_EXPRS are include too.
1399 2009-04-07  Richard Guenther  <rguenther@suse.de>
1401         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1402         decls are only used if passes as parameters or if they are
1403         local statics and the call is not to a builtin.
1404         (call_may_clobber_ref_p_1): Likewise.
1406 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1408         * expr.c (do_store_flag): Remove last argument.  Simplify code
1409         to avoid duplication of tests already done by can_compare_p.
1410         (expand_expr_real_1): Adjust caller.
1412 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1414         * optabs.c (can_compare_p): Test the predicate of a
1415         cbranch and cstore pattern.
1417 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1419         * expr.c (convert_move): Use emit_store_flag instead of
1420         "emulating" it.
1422 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1424         * config/i386/i386.c (ix86_compare_emitted): Remove.
1425         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1426         ix86_compare_op0 like ix86_compare_emitted used to be handled.
1427         * config/i386/i386.h (ix86_compare_emitted): Remove.
1428         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1429         instead of ix86_compare_emitted.
1430         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1432 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
1434         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1435         Add t-sysroot-suffix to tmake_file.
1436         * config/print-sysroot-suffix.sh: New file.
1437         * config/t-sysroot-suffix: New file.
1439 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1441         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1442         as the latter produces a warning when the target does not support
1443         infinity.
1445 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1447         * dfp.c: Replace type punning assignments with memcpy throughout.
1448         * Makefile.in (dfp.o-warn): Remove.
1449         
1450 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
1452         PR target/39634
1453         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1454         Include soft-fp/t-softfp after rs6000/t-linux64.
1456 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1458         * stor-layout.c (set_sizetype): Use the full precision of their
1459         machine mode for bitsize types.
1461 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
1463         * config/i386/i386.md: Revert 2 accidental checkins.
1465 2009-04-06  Joey Ye  <joey.ye@intel.com>
1466             Xuepeng Guo <xuepeng.guo@intel.com>
1467             H.J. Lu  <hongjiu.lu@intel.com>
1469         Atom pipeline model, tuning and insn selection.
1470         * config.gcc (atom): Add atom config options and target.
1472         * config/i386/atom.md: New.
1474         * config/i386/i386.c (atom_cost): New cost.
1475         (m_ATOM): New macro flag.
1476         (initial_ix86_tune_features): Set m_ATOM.
1477         (x86_accumulate_outgoing_args): Likewise.
1478         (x86_arch_always_fancy_math_387): Likewise.
1479         (processor_target): Add Atom cost.
1480         (cpu_names): Add Atom cpu name.
1481         (override_options): Set Atom ISA.
1482         (ix86_issue_rate): New case PROCESSOR_ATOM.
1483         (ix86_adjust_cost): Likewise.
1485         * config/i386/i386.h (TARGET_ATOM): New target macro.
1486         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1487         (TARGET_OPT_AGU): New target option.
1488         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1489         (processor_type): Add PROCESSOR_ATOM.
1491         * config/i386/i386.md (cpu): Add new value "atom".
1492         (use_carry, movu): New attr.
1493         (atom.md): Include atom.md.
1494         (adddi3_carry_rex64): Set attr "use_carry".
1495         (addqi3_carry): Likewise.
1496         (addhi3_carry): Likewise.
1497         (addsi3_carry): Likewise.
1498         (*addsi3_carry_zext): Likewise.
1499         (subdi3_carry_rex64): Likewise.
1500         (subqi3_carry): Likewise.
1501         (subhi3_carry): Likewise.
1502         (subsi3_carry): Likewise.
1503         (x86_movdicc_0_m1_rex64): Likewise.
1504         (*x86_movdicc_0_m1_se): Likewise.
1505         (x86_movsicc_0_m1): Likewise.
1506         (*x86_movsicc_0_m1_se): Likewise.
1507         (*adddi_1_rex64): Emit add insn as much as possible.
1508         (*addsi_1): Likewise.
1509         (return_internal): Set atom_unit.
1510         (return_internal_long): Likewise.
1511         (return_pop_internal): Likewise.
1512         (*rcpsf2_sse): Set atom_sse_attr attr.
1513         (*qrt<mode>2_sse): Likewise.
1514         (*prefetch_sse): Likewise.
1516         * config/i386/i386-c.c (ix86_target_macros_internal): New case
1517         PROCESSOR_ATOM.
1518         (ix86_target_macros_internal): Likewise.
1520         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1521         (*prefetch_sse_rex): Likewise.
1522         (sse_rcpv4sf2): Likewise.
1523         (sse_vmrcpv4sf2): Likewise.
1524         (sse_sqrtv4sf2): Likewise.
1525         (<sse>_vmsqrt<mode>2): Likewise.
1526         (sse_ldmxcsr): Likewise.
1527         (sse_stmxcsr): Likewise.
1528         (*sse_sfence): Likewise.
1529         (sse2_clflush): Likewise.
1530         (*sse2_mfence): Likewise.
1531         (*sse2_lfence): Likewise.
1532         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1533         (<sse>_movup<ssemodesuffixf2c>): Likewise.
1534         (avx_movdqu<avxmodesuffix>): Likewise.
1535         (avx_lddqu<avxmodesuffix>): Likewise.
1536         (sse2_movntv2di): Change attr "type" to "ssemov".
1537         (sse2_movntsi): Likewise.
1538         (rsqrtv8sf2): Change attr "type" to "sseadd".
1539         (sse3_addsubv2df3): Set attr "atom_unit".
1540         (sse3_h<plusminus_insn>v4sf3): Likewise.
1541         (*sse2_pmaddwd): Likewise.
1542         (*vec_extractv2di_1_rex64): Likewise.
1543         (*vec_extractv2di_1_avx): Likewise.
1544         (sse2_psadbw): Likewise.
1545         (ssse3_phaddwv8hi3): Likewise.
1546         (ssse3_phaddwv4hi3): Likewise.
1547         (ssse3_phadddv4si3): Likewise.
1548         (ssse3_phadddv2si3): Likewise.
1549         (ssse3_phaddswv8hi3): Likewise.
1550         (ssse3_phaddswv4hi3): Likewise.
1551         (ssse3_phsubwv8hi3): Likewise.
1552         (ssse3_phsubwv4hi3): Likewise.
1553         (ssse3_phsubdv4si3): Likewise.
1554         (ssse3_phsubdv2si3): Likewise.
1555         (ssse3_phsubswv8hi3): Likewise.
1556         (ssse3_phsubswv4hi3): Likewise.
1557         (ssse3_pmaddubsw128): Likewise.
1558         (sse3_pmaddubsw: Likewise.
1559         (ssse3_palignrti): Likewise.
1560         (ssse3_palignrdi): Likewise.
1562 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1564         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1566 2009-04-06  Richard Guenther  <rguenther@suse.de>
1568         PR tree-optimization/28868
1569         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1570         of which PHI results we inserted.
1571         (insert_into_preds_of_block): Record inserted PHIs.
1572         (eliminate): Eliminate redundant PHI nodes.
1573         (init_pre): Init inserted_phi_names.
1575 2009-04-06  Richard Guenther  <rguenther@suse.de>
1577         PR tree-optimization/39643
1578         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1579         IMAGPART_EXPRs of complex constants.
1580         (execute_fold_all_builtins): If we folded a call queue
1581         TODO_update_address_taken.
1583 2009-04-06  Jan Hubicka  <jh@suse.cz>
1585         PR middle-end/39659
1586         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1587         flag.
1589 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1591         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1592         delay slot.
1593         (ic_invalidate_array): Likewise.
1595 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1597         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1598         alignment for library calls.
1600 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1602         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1603         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1604         * config/i386/mingw-stdint.h:  New file.
1606 2009-04-05  Richard Guenther  <rguenther@suse.de>
1608         PR tree-optimization/39648
1609         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1610         our &A vs. &A[0] IL deficiencies.
1612 2009-04-04  Jan Hubicka  <jh@suse.cz>
1614         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1615         removed toplevel regions.
1616         (sjlj_mark_call_sites): Likewise.
1618 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1620         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1621         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1622         * config/i386/cygwin-stdint.h:  New file.
1624 2009-04-04  Richard Guenther  <rguenther@suse.de>
1626         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1627         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1628         single-argument PHIs if we are in loop-closed SSA form.
1629         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1630         for the pre-condition.
1631         (slpeel_tree_peel_loop_to_edge): Likewise.
1632         (vect_build_loop_niters): Take an optional sequence to append stmts.
1633         (vect_generate_tmps_on_preheader): Likewise.
1634         (vect_do_peeling_for_loop_bound): Take extra guards for the
1635         pre-condition.
1636         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1637         the cost model check.
1638         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1639         guards if we are going to peel.  Do not apply versioning in that case.
1640         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1641         (vect_do_peeling_for_loop_bound): Likewise.
1642         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1643         loop bound only record extra pre-conditions, do not apply loop
1644         versioning.
1646 2009-04-04  Richard Guenther  <rguenther@suse.de>
1648         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1649         renaming code.
1651 2009-04-04  Jan Hubicka  <jh@suse.cz>
1653         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1654         last_basic_block for size of bb->index indexed array.
1655         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1656         compute_out, link_btr_uses, build_btr_def_use_webs,
1657         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1659 2009-04-04  Jan Hubicka  <jh@suse.cz>
1661         * except.c (remove_eh_handler_and_replace): Break out from ...
1662         (remove_eh_handler): ... here.
1663         (bring_to_root): New function.
1664         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1665         handled ones, bring others to root of tree.
1667 2009-04-04  Jan Hubicka  <jh@suse.cz>
1669         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1670         (all_phis_safe_to_merge): New function.
1671         (update_info): New structure.
1672         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1673         (cleanup_empty_eh): Update SSA if possible.
1675 2009-04-04  Richard Guenther  <rguenther@suse.de>
1677         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1678         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1679         (append_vuse): Likewise.
1681 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1683         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1684         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1685         instead of REG_UNSAVED for DW_CFA_undefined.
1686         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1687         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1688         outermost frame.
1690 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1692         PR target/39501
1693         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1694         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1695         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1697 2009-04-04  Richard Guenther  <rguenther@suse.de>
1699         PR tree-optimization/8781
1700         PR tree-optimization/37892
1701         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1702         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1703         (valueize_refs): Call it for *& valueizations.
1704         (shared_reference_ops_from_ref): Rename to ...
1705         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1706         (shared_reference_ops_from_call): Rename to ...
1707         (valueize_shared_reference_ops_from_call): ... this and valueize.
1708         (vn_reference_lookup): Update.
1709         (visit_reference_op_call): Likewise.
1710         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1711         (eliminate): Value-replace the call address in call statements.
1713 2009-04-04  Richard Guenther  <rguenther@suse.de>
1715         PR tree-optimization/39636
1716         * tree-ssa-forwprop.c
1717         (forward_propagate_addr_into_variable_array_index): Check for
1718         GIMPLE_ASSIGN before accessing the rhs code.
1720 2009-04-03  Jason Merrill  <jason@redhat.com>
1722         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1724 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1726         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1727         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1728         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1729         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1730         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1731         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1732         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1733         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1734         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1735         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1736         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1737         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1738         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1739         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1740         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1741         Use fr_reg_or_fp01_operand instead of fr_register_operand
1743         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1744         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1745         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1747 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1749         PR rtl-optimization/39607
1750         PR rtl-optimization/39631
1752         Revert:
1753         
1754         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1755         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1756         instead of DF_LR_OUT.
1757         * ira-lives.c (process_bb_node_lives): Ditto.
1758         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1759         instead of DF_LR_{OUT,IN}.
1760         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1761         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1763 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1765         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1766         (execute_lower_omp): Always run but take the short way out if -fopenmp
1767         is not given.
1768         (gate_lower_omp): Remove, forcing the pass manager to always run the
1769         pass and always set PROP_gimple_lomp.
1770         (pass_lower_omp): Remove gate function.
1771         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1772         PROP_trees.  Instead, require it.
1773         * ipa-cp.c (pass_ipa_cp): Likewise.
1774         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1775         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1776         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1777         and PROP_gimple_leh.
1779 2009-04-03  Richard Guenther  <rguenther@suse.de>
1781         PR middle-end/13146
1782         PR tree-optimization/23940
1783         PR tree-optimization/33237
1784         PR middle-end/33974
1785         PR middle-end/34093
1786         PR tree-optimization/36201
1787         PR tree-optimization/36230
1788         PR tree-optimization/38049
1789         PR tree-optimization/38207
1790         PR tree-optimization/38230
1791         PR tree-optimization/38301
1792         PR tree-optimization/38585
1793         PR middle-end/38895
1794         PR tree-optimization/38985
1795         PR tree-optimization/39299
1796         * tree-ssa-structalias.h: Remove.
1797         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1798         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1799         (struct vuse_element_d): Remove.
1800         (struct vuse_vec_d): Likewise.
1801         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1802         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1803         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1804         VUSE_ELEMENT_VAR): Likewise.
1805         (struct voptype_d): Likewise.
1806         (NUM_VOP_FREE_BUCKETS): Likewise.
1807         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1808         (struct stmt_operands_d): Remove.
1809         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1810         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1811         VDEF_NUM, VDEF_VECT): Likewise.
1812         (copy_virtual_operands): Remove.
1813         (operand_build_cmp): Likewise.
1814         (create_ssa_artificial_load_stmt): Likewise.
1815         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1816         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1817         vuse_index and mayuse_index members.  Pack and move done and iter_type
1818         members to the front.
1819         (SSA_OP_VMAYUSE): Remove.
1820         (SSA_OP_VIRTUAL_USES): Adjust.
1821         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1822         (unlink_stmt_vdef): Declare.
1823         (add_to_addressable_set): Remove.
1824         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1825         (vrp_visit_stmt): Likewise.
1826         * doc/tree-ssa.texi (Alias analysis): Update.
1827         * doc/invoke.texi (max-aliased-vops): Remove docs.
1828         (avg-aliased-vops): Likewise.
1829         * tree-into-ssa.c (syms_to_rename): Remove.
1830         (need_to_update_vops_p): Likewise.
1831         (need_to_initialize_update_ssa_p): Rename to ...
1832         (update_ssa_initialized_fn): ... this.  Track function we are
1833         initialized for.
1834         (symbol_marked_for_renaming): Simplify.
1835         (add_new_name_mapping): Do not set need_to_update_vops_p.
1836         (dump_currdefs): Use SYMS_TO_RENAME.
1837         (rewrite_update_stmt): Always walk all uses/defs.
1838         (dump_update_ssa): Adjust.
1839         (init_update_ssa): Take function argument.  Track what we are
1840         initialized for.
1841         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1842         (create_new_def_for): Initialize for cfun, assert we are initialized
1843         for cfun.
1844         (mark_sym_for_renaming): Simplify.
1845         (mark_set_for_renaming): Do not initialize update-ssa.
1846         (need_ssa_update_p): Simplify.  Take function argument.
1847         (name_mappings_registered_p): Assert we ask for the correct function.
1848         (name_registered_for_update_p): Likewise.
1849         (ssa_names_to_replace): Likewise.
1850         (release_ssa_name_after_update_ssa): Likewise.
1851         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
1852         (dump_decl_set): Do not print a newline.
1853         (debug_decl_set): Do it here.
1854         (dump_update_ssa): And here.
1855         * tree-ssa-loop-im.c (move_computations): Adjust.
1856         (movement_possibility): Likewise.
1857         (determine_max_movement): Likewise.
1858         (gather_mem_refs_stmt): Likewise.
1859         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1860         or NAME_MEMORY_TAG.
1861         * tree-complex.c (update_all_vops): Remove.
1862         (expand_complex_move): Adjust.
1863         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1864         Simplify test for memory referencing statement.  Exclude
1865         non-invariant ADDR_EXPRs.
1866         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1867         * tree-loop-distribution.c (generate_memset_zero): Adjust.
1868         (rdg_flag_uses): Likewise.
1869         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1870         related code.
1871         (tree_optimize_tail_calls_1): Also split the
1872         edge from the entry block if we have degenerate PHI nodes in
1873         the first basic block.
1874         * tree.c (init_ttree): Remove memory-tag related code.
1875         (tree_code_size): Likewise.
1876         (tree_node_structure): Likewise.
1877         (build7_stat): Re-write to be build6_stat.
1878         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1879         (SSA_VAR_P): Adjust.
1880         (struct tree_memory_tag): Remove.
1881         (struct tree_memory_partition_tag): Likewise.
1882         (union tree_node): Adjust.
1883         (build7): Re-write to be build6.
1884         * tree-pass.h (pass_reset_cc_flags): Remove.
1885         (TODO_update_address_taken): New flag.
1886         (pass_simple_dse): Remove.
1887         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1888         * params.h (MAX_ALIASED_VOPS): Remove.
1889         (AVG_ALIASED_VOPS): Likewise.
1890         * omp-low.c (expand_omp_taskreg): Update SSA form.
1891         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1892         aliases the lhs in a copy stmt.
1893         * tree-ssa-dse.c (struct address_walk_data): Remove.
1894         (memory_ssa_name_same): Likewise.
1895         (memory_address_same): Likewise.
1896         (get_kill_of_stmt_lhs): Likewise.
1897         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
1898         unused stores.  Look through PHI nodes into post-dominated regions.
1899         (dse_optimize_stmt): Simplify.  Properly remove stores.
1900         (tree_ssa_dse): Compute dominators.
1901         (execute_simple_dse): Remove.
1902         (pass_simple_dse): Likewise.
1903         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1904         gimple_loaded_syms and gimple_stored_syms computation.
1905         * toplev.c (dump_memory_report): Dump alias and pta stats.
1906         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1907         (vn_reference_eq): Likewise.
1908         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1909         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1910         valueize_vuses): Remove.
1911         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
1912         (get_def_ref_stmt_vuse): ... this.
1913         (vn_reference_lookup_2): New function.
1914         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1915         walking equivalent vuses.  Simplify.
1916         (vn_reference_lookup): Likewise.
1917         (vn_reference_insert): Likewise.
1918         (vn_reference_insert_pieces): Likewise.
1919         (visit_reference_op_call): Simplify.
1920         (visit_reference_op_load): Likewise.
1921         (visit_reference_op_store): Likewise.
1922         (init_scc_vn): Remove shared_lookup_vuses initialization.
1923         (free_scc_vn): Remove shared_lookup_vuses freeing.
1924         (sort_vuses, sort_vuses_heap): Remove.
1925         (get_ref_from_reference_ops): Export.
1926         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1927         vector with single vuse pointer.
1928         (vn_reference_lookup_pieces, vn_reference_lookup,
1929         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1930         (shared_vuses_from_stmt): Remove.
1931         (get_ref_from_reference_ops): Declare.
1932         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1933         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1934         memory-tag related code.
1935         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1936         (likely_value): Add comment, skip static-chain of call statements.
1937         (surely_varying_stmt_p): Adjust.
1938         (gimplify_and_update_call_from_tree): Likewise.
1939         (execute_fold_all_builtins): Do not rebuild alias info.
1940         (gimplify_and_update_call_from_tree): Properly update VOPs.
1941         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1942         (copy_ref_info): Remove memory-tag related code.
1943         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1944         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1945         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1946         computation.
1947         * tree-ssa-dom.c (gimple_p): Remove typedef.
1948         (eliminate_redundant_computations): Adjust.
1949         (record_equivalences_from_stmt): Likewise.
1950         (avail_expr_hash): Likewise.
1951         (avail_expr_eq): Likewise.
1952         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1953         (stmt_makes_single_load): Likewise.
1954         (stmt_makes_single_store): Likewise.
1955         * tree-ssa-alias.c: Rewrite completely.
1956         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1957         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1958         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1959         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1960         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1961         Remove public functions.
1962         (pass_reset_cc_flags): Remove.
1963         (pass_build_alias): Move ...
1964         * tree-ssa-structalias.c (pass_build_alias): ... here.
1965         * tree-ssa-alias.c (may_be_aliased): Move ...
1966         * tree-flow-inline.h (may_be_aliased): ... here.
1967         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1968         count_uses_and_derefs): Move ...
1969         * gimple.c: ... here.
1970         * gimple.h (count_uses_and_derefs): Declare.
1971         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1972         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1973         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1974         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1975         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1976         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1977         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1978         New functions.
1979         * tree-dfa.c (refs_may_alias_p): Move ...
1980         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
1981         * tree-ssa-alias.h: New file.
1982         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1983         (statement_sink_location): Likewise.
1984         * opts.c (decode_options): Do not adjust max-aliased-vops or
1985         avg-aliased-vops values.
1986         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1987         (TV_CALL_CLOBBER): Likewise.
1988         (TV_FLOW_SENSITIVE): Likewise.
1989         (TV_FLOW_INSENSITIVE): Likewise.
1990         (TV_MEMORY_PARTITIONING): Likewise.
1991         (TV_ALIAS_STMT_WALK): New timevar.
1992         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1993         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1994         (get_address_description): Remove memory-tag related code.
1995         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1996         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1997         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1998         and immediate uses in statements.  Document.
1999         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
2000         (dump_symbols): Remove.
2001         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
2002         * alias.c (get_deref_alias_set): New function split out from ...
2003         (get_alias_set): ... here.
2004         * alias.h (get_deref_alias_set): Declare.
2005         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
2006         type parameter.  Remove restrict pointer handling.  Create a
2007         ref-all pointer in case type-based alias sets do not conflict.
2008         (vect_analyze_data_refs): Remove SMT related code.
2009         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
2010         (vectorizable_load): Likewise.
2011         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
2012         (DR_SYMBOL_TAG, DR_VOPS): Remove.
2013         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
2014         Ignore vops and SMTs.
2015         (dr_analyze_alias): Likewise..
2016         (free_data_ref): Likewise.
2017         (create_data_ref): Likewise.
2018         (analyze_all_data_dependences): Likewise.
2019         (get_references_in_stmt): Adjust.
2020         * tree-flow-inline.h (gimple_aliases_computed_p,
2021         gimple_addressable_vars, gimple_call_clobbered_vars,
2022         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
2023         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
2024         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
2025         gimple_mem_ref_stats): Remove.
2026         (gimple_vop): New function.
2027         (op_iter_next_use): Remove vuses and mayuses cases.
2028         (op_iter_next_def): Remove vdefs case.
2029         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
2030         (clear_and_done_ssa_iter): Do not set removed fields.
2031         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
2032         Assert we are not iterating over vuses or vdefs if not also
2033         iterating over uses or defs.
2034         (op_iter_init_use): Likewise.
2035         (op_iter_init_def): Likewise.
2036         (op_iter_next_vdef): Remove.
2037         (op_iter_next_mustdef): Likewise.
2038         (op_iter_init_vdef): Likewise.
2039         (compare_ssa_operands_equal): Likewise.
2040         (link_use_stmts_after): Handle vuse operand.
2041         (is_call_used): Use is_call_clobbered.
2042         (is_call_clobbered): Global variables are always call clobbered,
2043         query the call-clobbers bitmap.
2044         (mark_call_clobbered): Ignore global variables.
2045         (clear_call_clobbered): Likewise.
2046         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
2047         virtual operands sanity check.
2048         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
2049         Remove.
2050         (TARGET_MEM_REF): Remove TMR_TAG operand.
2051         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
2052         Remove call-clobber related code.
2053         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
2054         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
2055         partitions or escape reason.
2056         (get_single_def_stmt, get_single_def_stmt_from_phi,
2057         get_single_def_stmt_with_phi): Remove.
2058         (dump_referenced_vars): Tidy.
2059         (get_ref_base_and_extent): Allow bare decls.
2060         (collect_dfa_stats): Adjust.
2061         * graphite.c (rename_variables_in_stmt): Adjust.
2062         (graphite_copy_stmts_from_block): Likewise.
2063         (translate_clast): Likewise.
2064         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
2065         (EXPR_DIES): New.
2066         (translate_vuse_through_block): Use the oracle.
2067         (phi_translate_1): Adjust.
2068         (value_dies_in_block_x): Use the oracle.  Cache the outcome
2069         in EXPR_DIES.
2070         (valid_in_sets): Check if the VUSE for
2071         a REFERENCE is available.
2072         (eliminate): Do not remove stmts during elimination,
2073         instead queue and remove them afterwards.
2074         (do_pre): Do not rebuild alias info.
2075         (pass_pre): Run TODO_rebuild_alias before PRE.
2076         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
2077         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
2078         (mark_all_v_defs_stmt): Remove.
2079         (mark_all_v_defs_seq): Adjust.
2080         (sra_replace): Likewise.
2081         (scalarize_use): Likewise.
2082         (scalarize_copy): Likewise.
2083         (scalarize_init): Likewise.
2084         (scalarize_ldst): Likewise.
2085         (todoflags): Remove.
2086         (tree_sra): Do not rebuild alias info.
2087         (tree_sra_early): Adjust.
2088         (pass_sra): Run TODO_update_address_taken before SRA.
2089         * tree-predcom.c (set_alias_info): Remove.
2090         (prepare_initializers_chain): Do not call it.
2091         (mark_virtual_ops_for_renaming): Adjust.
2092         (mark_virtual_ops_for_renaming_list): Remove.
2093         (initialize_root_vars): Adjust.
2094         (initialize_root_vars_lm): Likewise.
2095         (prepare_initializers_chain): Likewise.
2096         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
2097         (may_propagate_copy_into_stmt): Likewise.
2098         (merge_alias_info): Do nothing for now.
2099         (propagate_tree_value_into_stmt): Adjust.
2100         (stmt_may_generate_copy): Likewise.
2101         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
2102         not mark symbols for renaming.
2103         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
2104         with the same statement, make sure to update the new pointed-to one.
2105         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
2106         call statements, do not mark symbols for renaming.
2107         (mark_operand_necessary): Dump something.
2108         (ref_may_be_aliased): New function.
2109         (mark_aliased_reaching_defs_necessary_1): New helper function.
2110         (mark_aliased_reaching_defs_necessary): Likewise.
2111         (mark_all_reaching_defs_necessary_1): Likewise.
2112         (mark_all_reaching_defs_necessary): Likewise.
2113         (propagate_necessity): Do not process virtual PHIs.  For
2114         non-aliased loads mark all reaching definitions as necessary.
2115         For aliased loads and stores mark the immediate dominating
2116         aliased clobbers as necessary.
2117         (visited): New global static.
2118         (perform_tree_ssa_dce): Free visited bitmap after propagating
2119         necessity.
2120         (remove_dead_phis): Perform simple dead virtual PHI removal.
2121         (remove_dead_stmt): Properly unlink virtual operands when
2122         removing stores.
2123         (eliminate_unnecessary_stmts): Schedule PHI removal after
2124         stmt removal.
2125         * tree-ssa-ter.c (is_replaceable_p): Adjust.
2126         (process_replaceable): Likewise.
2127         (find_replaceable_in_bb): Likewise.
2128         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2129         based on the single gimple vop.
2130         (verify_flow_insensitive_alias_info): Remove.
2131         (verify_flow_sensitive_alias_info): Likewise.
2132         (verify_call_clobbering): Likewise.
2133         (verify_memory_partitions): Likewise.
2134         (verify_alias_info): Likewise.
2135         (verify_ssa): Adjust..
2136         (execute_update_addresses_taken): Export.  Update SSA
2137         manually.  Optimize only when optimizing.  Use a local bitmap.
2138         (pass_update_address_taken): Remove TODO_update_ssa, add
2139         TODO_dump_func.
2140         (pass_update_address_taken): Just use TODO_update_address_taken.
2141         (init_tree_ssa): Do not initialize addressable_vars.
2142         (verify_ssa): Verify new VUSE / VDEF properties.
2143         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2144         Do not call verify_alias_info.
2145         (delete_tree_ssa): Clear the VUSE, VDEF operands.
2146         Do not free the loaded and stored syms bitmaps.  Reset the escaped
2147         and callused solutions.  Do not free addressable_vars.
2148         Remove memory-tag related code.
2149         (warn_uninitialized_var): Aliases are always available.
2150         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2151         * lambda-code.c (can_put_in_inner_loop): Adjust.
2152         (can_put_after_inner_loop): Likewise.
2153         (perfect_nestify): Likewise.
2154         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2155         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2156         (vectorizable_conversion): Do not mark symbols for renaming.
2157         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2158         (expand_call_inline): Unlink the calls virtual operands before
2159         replacing it.
2160         (tree_function_versioning): Do not call update_ssa if we are not
2161         updating clones.  Simplify.
2162         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2163         (propagate_with_phi): Likewise..
2164         * tree-outof-ssa.c (create_temp): Remove memory tag and call
2165         clobber code.  Assert we are not aliased or global.
2166         * tree-flow.h: Include tree-ssa-alias.h
2167         (enum escape_type): Remove.
2168         (struct mem_sym_stats_d): Likewise.
2169         (struct mem_ref_stats_d): Likewise.
2170         (struct gimple_df): Add vop member.  Remove global_var,
2171         call_clobbered_vars, call_used_vars, addressable_vars,
2172         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
2173         escaped and callused members.
2174         (struct ptr_info_def): Remove all members, add points-to solution
2175         member pt.
2176         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2177         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2178         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2179         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2180         (tree-ssa-alias.o): Likewise.
2181         (toplev.o): Add tree-ssa-alias.h
2182         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2183         * gimple.c (gimple_set_bb): Fix off-by-one error.
2184         (is_gimple_reg): Do not handle memory tags.
2185         (gimple_copy): Also copy virtual operands.
2186         Delay updating the statement.  Do not reset loaded and stored syms.
2187         (gimple_set_stored_syms): Remove.
2188         (gimple_set_loaded_syms): Likewise.
2189         (gimple_call_copy_skip_args): Copy the virtual operands
2190         and mark the new statement modified.
2191         * tree-ssa-structalias.c (may_alias_p): Remove.
2192         (set_uids_in_ptset): Take the alias set to prune with as
2193         parameter.  Fold in the alias test of may_alias_p.
2194         (compute_points_to_sets): Compute whether a ptr is dereferenced
2195         in a local sbitmap.
2196         (process_constraint): Deal with &ANYTHING on the lhs, reject all
2197         other ADDRESSOF constraints on the lhs.
2198         (get_constraint_for_component_ref): Assert that we don't get
2199         ADDRESSOF constraints from the base of the reference.
2200         Properly generate UNKNOWN_OFFSET for DEREF if needed.
2201         (struct variable_info): Remove collapsed_to member.
2202         (get_varinfo_fc): Remove.
2203         (new_var_info): Do not set collapsed_to.
2204         (dump_constraint): Do not follow cycles.
2205         (dump_constraint_graph): Likewise.
2206         (build_pred_graph): Likewise.
2207         (build_succ_graph): Likewise.
2208         (rewrite_constraints): Likewise.
2209         (do_simple_structure_copy): Remove.
2210         (do_rhs_deref_structure_copy): Remove.
2211         (do_lhs_deref_structure_copy): Remove.
2212         (collapse_rest_of_var): Remove.
2213         (do_structure_copy): Re-implement.
2214         (pta_stats): New global variable.
2215         (dump_pta_stats): New function.
2216         (struct constraint_expr): Make offset signed.
2217         (UNKNOWN_OFFSET): Define special value.
2218         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2219         (solution_set_expand): New helper function split out from ...
2220         (do_sd_constraint): ... here.
2221         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
2222         (do_ds_constraint): Likewise.
2223         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
2224         and CALLUSED = *CALLUSED.
2225         (set_union_with_increment): Make inc argument signed.
2226         (type_safe): Remove.
2227         (get_constraint_for_ptr_offset): Handle unknown and negative
2228         constant offsets.
2229         (first_vi_for_offset): Handle offsets before start.  Bail
2230         out early for offsets beyond the variable extent.
2231         (first_or_preceding_vi_for_offset): New function.
2232         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2233         Together with ESCAPED = *ESCAPED this properly computes reachability.
2234         (find_what_var_points_to): New function.
2235         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2236         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2237         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2238         pt_solutions_intersect): New functions.
2239         (compute_call_used_vars): Remove.
2240         (compute_may_aliases): New main entry into PTA computation.
2241         * gimple.h (gimple_p): New typedef.
2242         (struct gimple_statement_base): Remove references_memory_p.
2243         (struct gimple_statement_with_memory_ops_base): Remove
2244         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
2245         members.
2246         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2247         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2248         gimple_set_references_memory): Remove.
2249         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2250         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2251         New functions.
2252         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2253         (verify_expr): Allow RESULT_DECL.
2254         (gimple_duplicate_bb): Do not copy virtual operands.
2255         (gimple_duplicate_sese_region): Adjust.
2256         (gimple_duplicate_sese_tail): Likewise.
2257         (mark_virtual_ops_in_region): Remove.
2258         (move_sese_region_to_fn): Do not call it.
2259         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2260         and pass_simple_dse.
2261         (execute_function_todo): Handle TODO_update_address_taken,
2262         call execute_update_addresses_taken for TODO_rebuild_alias.
2263         (execute_todo): Adjust.
2264         (execute_one_pass): Init dump files early.
2265         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2266         call-clobbered.
2267         (create_general_new_stmt): Clear vops.
2268         * tree-ssa-reassoc.c (get_rank): Adjust.
2269         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2270         symbols for renaming.
2271         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2272         (PARAM_AVG_ALIASED_VOPS): Likewise.
2273         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2274         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2275         * tree-ssa-operands.c: Simplify for new virtual operand representation.
2276         (operand_build_cmp, copy_virtual_operands,
2277         create_ssa_artificial_load_stmt, add_to_addressable_set,
2278         gimple_add_to_addresses_taken): Remove public functions.
2279         (unlink_stmt_vdef): New function.
2281 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2283         * config.gcc (powerpc-*-linux*): Merge variants.
2285 2009-04-02  Chao-ying Fu  <fu@mips.com>
2286             James Grosbach <james.grosbach@microchip.com>
2288         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2289         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2290         cop0_sp_offset.
2291         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2292         keep_interrupts_masked_p, use_debug_exception_return_p.
2293         (mips_attribute_table): Add interrupt, use_shadow_register_set,
2294         keep_interrupts_masked, use_debug_exception_return.
2295         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2296         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2297         New functions.
2298         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2299         (mips_print_operand): Process COP0 registers to print $0 .. $31
2300         correctly for GAS to process.
2301         (mips_interrupt_extra_call_saved_reg_p): New function.
2302         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2303         extra registers.
2304         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2305         (mips_compute_frame_info): Add supports for interrupt context that
2306         includes doubleword accumulators and COP0 registers.
2307         (mips_for_each_saved_acc): New function.
2308         (mips_for_each_saved_gpr_and_fpr): Change the function name from
2309         mips_for_each_saved_reg.
2310         (mips_save_reg): Save accumulators.
2311         (mips_kernel_reg_p): A new for_each_rtx callback.
2312         (mips_expand_prologue): Support interrupt handlers.
2313         (mips_restore_reg): Restore accumulators.
2314         (mips_expand_epilogue): Support interrupt handlers.
2315         (mips_can_use_return_insn): Return false for interrupt handlers.
2316         (mips_epilogue_uses): New function.
2317         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2318         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2319         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2320         cop0_move): New instructions.
2321         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2322         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2323         defines.
2324         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2325         New defines.
2326         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2327         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2328         interrupt handlers, we use K0 as the temporary register.
2329         (EPILOGUE_USES): Change to a function call.
2330         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2331         handlers, we use K0 as the temporary register.
2332         
2333         * doc/extend.texi (Function Attributes): Document interrupt,
2334         use_shadow_register_set, keep_interrupts_masked,
2335         use_debug_exception_return for MIPS attributes.
2337 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2339         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2340         Remove a number of t-files from tmake_file.
2341         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2342         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2343         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2344         target_prototype, not TARGET_PROTOTYPE.
2345         (LINK_OS_GNU_SPEC): Define.
2346         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2347         and darwin-ldoubdle.c.
2349 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2351         PR driver/39293
2352         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2353         (cpp_options): Ditto.
2354         (default_compilers): Ditto.
2355         (display_help): Ditto.
2356         (process_command): Ditto.
2357         (do_spec_1): Ditto.
2358         (set_input): Use lbasename instead of duplicate code.
2359         (save_temps_prefix): New static for -save-temps=obj.
2360         (save_temps_length): Ditto.
2361         
2362         * doc/invoke.texi (-save-temps=obj): Document new variant to
2363         -save-temps switch.
2365 2009-04-02  Jeff Law  <law@redhat.com>
2367         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2368         variable.
2370 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2372         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2373         * configure: Regenerated.
2375 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2377         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2378         share the argument list.
2380 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2382         Merge
2384         2009-02-12  Diego Novillo  <dnovillo@google.com>
2386         * varpool.c (debug_varpool): New.
2387         * cgraph.h (debug_varpool): Declare.
2389 2009-04-02  Jan Hubicka  <jh@suse.cz>
2391         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2392         pass.
2394 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2396         * config/i386/i386.c (ix86_abi): Move initialization to ...
2397         (override_options): Here.
2399 2009-04-02  Christian Bruel  <christian.bruel@st.com>
2401         * config/sh/sh.c (sh_dwarf_register_span): New function.
2402         (TARGET_DWARF_REGISTER_SPAN): Define.
2403         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2404         
2405 2009-04-02  Ira Rosen  <irar@il.ibm.com>
2407         PR tree-optimization/39595
2408         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
2409         interleaved loads group is not  greater than the SLP group size.
2411 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2413         * builtins.c (is_builtin_name): New.
2414         (called_as_built_in): Use is_builtin_name.
2415         * tree.h (is_builtin_name): New.
2416         * varasm.c (incorporeal_function_p): Use is_builtin_name
2418 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
2420         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2422 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
2424         PR c++/26693
2425         * c-decl.c (clone_underlying_type): Move this ...
2426         * c-common.c (set_underlying_type): ... here.
2427         Also, make sure the function properly sets TYPE_STUB_DECL() on
2428         the newly created typedef variant type.
2429         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2430         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2431         points.
2433 2009-04-02  Richard Guenther  <rguenther@suse.de>
2435         PR tree-optimization/37221
2436         * tree-flow.h (degenerate_phi_result): Declare.
2437         * tree-ssa-dom.c (degenerate_phi_result): Export.
2438         * tree-scalar-evolution.c (analyze_initial_condition): If
2439         the initial condition is defined by a degenerate PHI node
2440         use the degenerate value.
2442 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
2444         PR rtl-optimization/39588
2445         * combine.c (merge_outer_ops): Do not set the constant when this
2446         is not necessary.
2447         (simplify_shift_const_1): Do not modify it either in this case.
2449 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2451         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2452         tuning is deprecated if -mtune value is set to an Itanium1 variant.
2454 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
2456         PR c/29027
2457         * c-lex.c (interpret_float): Default (no suffix) is double.
2459 2009-04-1  Xinliang David Li  <davidxl@google.com>
2461         * config/i386/i386.c (legitimate_constant_p): Recognize
2462         all one vector constant.
2464 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2466         * gcc/config/vax/vax.c: Add #includes to silence warnings.
2467         Change #include order to silence two warnings.
2469 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2471         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2472         (ASM_SPEC): Pass -k to the assembler for PIC code.
2474 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2476         * gcc/config.gcc: Add vax-*-linux* to the switch.
2477         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2478         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2480 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2482         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2483         Use predicate macros instead of GET_CODE() == foo.
2484         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2485         ashlsi3, rotrsi3, <unnamed>): Likewise.
2487 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2489         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2490         jbbccihi, jbbccisi): Remova trailing whitespace.
2491         * gcc/config/vax/constraints.md: Likewise.
2492         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2493         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2494         * gcc/config/vax/predicates.md: Likewise.
2495         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2496         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2497         * gcc/config/vax/vax.h: Likewise.
2498         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2500 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2502         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2503         (indirectable_address_p, adjacent_operands_p): Add spaces around
2504         braces.
2505         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2507 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2509         * gcc/config/vax/vax.c (legitimate_constant_address_p,
2510         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2511         index_term_p, reg_plus_index_p, legitimate_address_p,
2512         vax_mode_dependent_address_p): Update comments to match functions
2513         modified by the recent int->bool conversion.
2515 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2517         * gcc/config/vax/builtins.md: Update copyright message.
2518         * gcc/config/vax/constraints.md: Likewise.
2519         * gcc/config/vax/netbsd-elf.h: Likewise.
2520         * gcc/config/vax/predicates.md: Likewise.
2521         * gcc/config/vax/vax-protos.h: Likewise.
2522         * gcc/config/vax/vax.c: Likewise.
2523         * gcc/config/vax/vax.h: Likewise.
2524         * gcc/config/vax/vax.md: Likewise.
2525         * gcc/config/vax/vax.opt: Likewise.
2527 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2529         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2530         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2531         * gcc/config/vax/constraints.md (B, R): Likewise.
2532         * gcc/config/vax/predicates.md (external_memory_operand,
2533         nonimmediate_addsub_di_operand): Likewise.
2534         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2535         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2536         untyped_call): Likewise.
2538 2009-04-01  Matt Thomas <matt@3am-software.com>
2540         * config/vax/predicates.md: New file.
2541         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2542         external_const_operand, nonsymbolic_operand, external_memory_operand,
2543         indirect_memory_operand, indexed_memory_operand,
2544         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2545         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2546         predicate.
2547         * config/vax/constraints.md: New file.
2548         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2549         New constraint.
2550         * config/vax/builtins.md: New file.
2551         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2552         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2553         jbbccisi): Define.
2554         * config/vax/vax.opt (mqmath): Add option.
2555         * config/vax/vax.md (isfx): Extend with DI.
2556         (VAXintQH, VAXintQHSD): Define.
2557         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2558         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2559         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2560         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2561         (movdi): Update constraints and use vax_output_int_move().
2562         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2563         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2564         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2565         nonlocal_goto): New.
2566         (mov<mode>): Extend accepted operand types.
2567         (subdi3_old): Rename from subdi3, change update constraints and use
2568         a new implementation.
2569         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2570         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2571         MOVE_RATIO, CLEAR_RATIO): Define.
2572         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2573         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2574         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2575         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2576         (split_quadword_operands): Make static and really allow variable
2577         splitting.
2578         (print_operand_address): Update for PIC generation.
2579         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2580         indexable_address_p, fixup_mathdi_operand,
2581         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2582         (vax_float_literal, legitimate_constant_p,
2583         indirectable_constant_address_p, index_term_p,
2584         reg_plus_index_p): Return bool instead of int.
2585         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2586         where needed.
2587         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2588         generation.
2589         (vax_output_conditional_branch): Indent.
2590         (legitimate_constant_address_p, indirectable_constant_address_p,
2591         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2592         vax_mode_dependent_address_p): Return bool instead of int, update for
2593         PIC generation.
2594         * config/vax/vax-protos.h (legitimate_constant_address_p,
2595         legitimate_constant_p, legitimate_address_p,
2596         vax_mode_dependent_address_p): Change declaration to bool.
2597         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2598         vax_expand_addsub_di_operands, vax_output_int_subtract,
2599         vax_output_movmemsi): Declare.
2600         (split_quadword_operands, vax_float_literal): Delete declaration.
2601         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2602         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2603         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2604         ASM_OUTPUT_DWARF_PCREL): Define.
2605         (ASM_SPEC): Change definition to allow PIC generation.
2607 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2609         * doc/sourcebuild.texi: Update front-end requirements.
2611 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2613         PR target/39226
2614         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2615         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2616         (booldi3_internal3): Use boolean_or_operator instead of
2617         boolean_operator.
2619 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2621         PR c/39605
2622         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2623         declarator whose size is not an integer constant expression but
2624         folds to an integer constant, then treat it as a constant
2625         subsequently.
2627 2009-04-01  Richard Guenther  <rguenther@suse.de>
2629         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2630         i * 4 + 2 to (i * 2 + 1) * 2.
2632 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2634         PR c/37772
2635         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2636         return if c_parser_asm_string_literal returned NULL.
2638 2009-04-01  Nick Clifton  <nickc@redhat.com>
2640         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2641         already defined.
2642         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2643         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2644         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2645         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2646         include it.
2647         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2648         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2649         then include it.
2651 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2653         * varasm.c (default_function_rodata_section): Declare DOT as
2654         const char*.
2656 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2657             Andrey Galkin <agalkin@hypercom.com>
2659         PR/39492
2660         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2661         Make object_name unique for each process.
2663 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2665         PR other/39591
2666         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2667         addressable variables in the parallel that could go out of scope while
2668         running queued tasks.
2670 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2672         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2673         (CASE_VALUES_THRESHOLD): Redefine.
2674         * config/avr/avr.c (avr_override_options): Remove initialization of
2675         avr_case_values_threshold variable.
2676         (avr_case_values_threshold): Remove variable. Add new function.
2677         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2678         * config/avr/avr.opt (mno-tablejump): Remove option.
2679         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2681 2009-04-01  DJ Delorie  <dj@redhat.com>
2683         * varasm.c (default_function_rodata_section): Don't assume
2684         anything about where the first '.' in the section name is.
2686 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2688         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2689         rs6000_emit_stack_tie.
2691 2009-03-31  Ian Lance Taylor  <iant@google.com>
2693         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2694         gimple_code with GIMPLE_RESX, not RESX.
2696 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2698         * c-common.c (c_get_ident): New.
2699         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2701 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2703         * config/rs6000/sysv4.opt (msdata): Improve option description.
2705 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2707         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2708         (divdf3_internal_lat): Remove.
2709         (divxf3_internal_lat): Remove.
2710         (divxf3_internal_thr): Remove.
2711         (divxf): Use divxf3_internal.
2712         * config/ia64/div.md (divsf3_internal_lat): New.
2713         (divdf3_internal_lat): New.
2714         (divxf3_internal): New.
2716 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2718         PR c/448
2719         * Makefile.in (USE_GCC_STDINT): Define.
2720         (stmp-int-hdrs): Install stdint.h if applicable.
2721         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2722         if known.
2723         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2724         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2725         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2726         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2727         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2728         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2729         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2730         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2731         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2732         (c_common_nodes_and_builtins): Initialize
2733         underlying_wchar_type_node.  Do not initialize
2734         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2735         nodes for new types.
2736         (c_stddef_cpp_builtins): Define macros for new types.
2737         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2738         Remove.
2739         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2740         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2741         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2742         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2743         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2744         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2745         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2746         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2747         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2748         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2749         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2750         int16_type_node, int32_type_node, int64_type_node,
2751         uint8_type_node, uint16_type_node, c_uint32_type_node,
2752         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2753         int_least32_type_node, int_least64_type_node,
2754         uint_least8_type_node, uint_least16_type_node,
2755         uint_least32_type_node, uint_least64_type_node,
2756         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2757         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2758         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2759         uintptr_type_node): Define.
2760         * c-cppbuiltin.c (builtin_define_constants,
2761         builtin_define_type_minmax): New.
2762         (builtin_define_stdint_macros): Define more macros.
2763         (c_cpp_builtins): Define more limit macros.
2764         (type_suffix): New.
2765         (builtin_define_type_max): Define in terms of
2766         builtin_define_type_minmax.  Remove is_long parameter.  All
2767         callers changed.
2768         * config.gcc (use_gcc_stdint): Define.
2769         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2770         Add newlib-stdint.h for generic targets.
2771         * config/glibc-stdint.h, config/newlib-stdint.h,
2772         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2773         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2774         * config/score/score.h (UINTPTR_TYPE): Define.
2775         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2776         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2777         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2778         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2779         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2780         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2781         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2782         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2783         * config/spu/spu.h (STDINT_LONG32): Define.
2784         * configure.ac (use_gcc_stdint): Substitute.
2785         * configure: Regenerate.
2786         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2787         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2788         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2789         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2790         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2791         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2792         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2793         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2794         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2795         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2796         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2797         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2798         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2799         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2800         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2801         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2802         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2803         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2804         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2805         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2806         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2807         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2808         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2809         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2810         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2811         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2812         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2813         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2814         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2816 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2818         * loop-iv.c (suitable_set_for_replacement): Renamed from
2819         simplify_using_assignment; changed to return bool and to accept new
2820         args DEST and SRC.  Return true iff we find a source/destination pair
2821         that can be used to make a replacement, and fill SRC and DEST if so.
2822         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2823         changed.
2824         (simplify_using_initial_values): Deal with altered regs here and track
2825         more precisely the effect they have on the validity of our expression.
2827         * loop-iv.c (simplify_using_condition): A condition of the form
2828         (EQ REG CONST) can be used to simply make a substitution.
2829         (simplify_using_initial_values): Keep track of conditions we have seen
2830         and keep using them to simplify new expressions, while applying the
2831         same substitutions to them as to the expression.
2833         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2834         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2835         GEU/LTU reversed.
2837         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
2838         changed.  Use this when trying to improve the upper bound.
2839         Generate the comparison by using simplify_gen_relational.
2841         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2843         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2844         functions.
2845         (simplify_using_assignment, simplify_using_initial_values): Call 
2846         replace_in_expr to make replacements.  Call replace_single_def_regs
2847         once on the initial version of the expression.
2849 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2851         PR target/27237
2852         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2853         
2854 2009-03-31  Richard Guenther  <rguenther@suse.de>
2856         PR middle-end/31029
2857         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2858         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
2860 2009-03-31  Richard Guenther  <rguenther@suse.de>
2862         * tree.h (div_if_zero_remainder): Declare.
2863         * fold-const.c (div_if_zero_remainder): Export.
2864         * tree-ssa-forwprop.c
2865         (forward_propagate_addr_into_variable_array_index): Handle
2866         constant array index addition outside of the variable index.
2868 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2870         PR target/39592
2871         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2872         define_splits, floatunssi<mode>2): Require x87 conversions from
2873         DImode to be permitted.
2875 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2877         PR preprocessor/15638
2878         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2880 2009-03-31  Richard Guenther  <rguenther@suse.de>
2882         PR middle-end/23401
2883         PR middle-end/27810
2884         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2885         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2886         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2887         a separate statement.
2888         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2889         (lookup_tmp_var): Likewise.
2890         (is_gimple_formal_tmp_or_call_rhs): Remove.
2891         (is_gimple_reg_or_call_rhs): Rename to ...
2892         (is_gimple_reg_rhs_or_call): ... this.
2893         (is_gimple_mem_or_call_rhs): Rename to ...
2894         (is_gimple_mem_rhs_or_call): ... this.
2895         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
2896         DECL_GIMPLE_REG_P only if is_formal is true.
2897         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
2898         for non-proper post-modify expression gimplification.
2899         (gimplify_self_mod_expr): For post-modify expressions gimplify
2900         the lvalue to a minimal lvalue.
2901         (rhs_predicate_for): Remove formal temp case.
2902         (gimplify_modify_expr_rhs): Likewise.
2903         (gimplify_addr_expr): Use is_gimple_reg.
2904         (gimplify_expr): Remove formal temp cases.
2905         (gimple_regimplify_operands): Likewise.
2906         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2907         and FILTER_EXPR like constants.
2908         * gimple.c (walk_gimple_op): Fix val_only initialization, use
2909         is_gimple_reg.
2910         (is_gimple_formal_tmp_rhs): Remove.
2911         (is_gimple_reg_rhs): Remove special casing.
2912         (is_gimple_mem_rhs): Fix.
2913         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2914         (is_gimple_formal_tmp_var): Remove.
2915         (is_gimple_formal_tmp_reg): Likewise.
2916         (is_gimple_min_lval): Allow invariant component ref parts.
2917         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2918         is_gimple_formal_tmp_reg): Remove declarations.
2919         * tree-cfg.c (verify_expr): Verify that variables with address
2920         taken do not have DECL_GIMPLE_REG_P set.
2921         * tree-mudflap.c (mf_build_check_statement_for): Use
2922         force_gimple_operand instead of gimplify_expr.
2924 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
2926         * modulo-sched.c (sms_schedule_by_order): Pass the actual
2927         schedulable rows to compute_split_row.
2929 2009-03-31  Ben Elliston  <bje@au.ibm.com>
2931         PR target/31635
2932         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2933         OPT_mvrsave.
2935 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2937         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2938         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2939         * configure: Regenerate.
2940         * config.in: Regenerate.
2941         * config/rs6000/rs6000.opt (mtls-markers): Add.
2942         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2943         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2944         (tls_ld_aix, tls_ld_sysv): Likewise.
2945         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2946         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2948 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2950         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2952 2009-03-30  Jan Hubicka  <jh@suse.cz>
2954         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2955         out of RESX.
2956         (tree_remove_unreachable_handlers): Cleanup EH predecestor
2957         detection and label handling.
2959 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2961         * ira-int.h (ira_allocno): Rename left_conflicts_num to
2962         left_conflicts_size.
2963         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2964         ALLOCNO_LEFT_CONFLICTS_SIZE.
2966         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2967         remove_allocno_from_bucket_and_push,
2968         allocno_spill_priority_compare, push_allocnos_to_stack,
2969         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2970         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2971         (setup_allocno_left_conflicts_num): Ditto.  Rename to
2972         setup_allocno_left_conflicts_size.
2973         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2974         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2975         setup_allocno_left_conflicts_size instead of
2976         setup_allocno_left_conflicts_num.
2978         * ira-build.c (ira_create_allocno): Use
2979         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2980         ALLOCNO_LEFT_CONFLICTS_NUM.
2981                 
2982 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2984         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2985         instead of DF_LR_OUT.
2987         * ira-lives.c (process_bb_node_lives): Ditto.
2989         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2990         instead of DF_LR_{OUT,IN}.
2992         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2994         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2996 2009-03-30  Jan Hubicka  <jh@suse.cz>
2998         * except.c (label_to_region_map): Fix thinko.
3000 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
3002         PR middle-end/38237
3003         * tree.h (tree_find_value): New declaration.
3004         * tree.c (tree_find_value): New function.
3005         * varasm.c (assemble_external): Avoid duplicate entries on lists.
3007 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
3009         PR debug/39563
3010         * c-decl.c (struct c_binding): Add locus field.
3011         (bind): Add locus argument, set locus field from it.
3012         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
3013         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
3014         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
3015         implicitly_declare, undeclared_variable, lookup_label,
3016         declare_label, c_make_fname_decl, c_builtin_function,
3017         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
3018         bind callers.
3020 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
3022         PR target/38781
3023         * config/i386/i386.c (classify_argument): Check total size of
3024         structure.
3026 2009-03-30  Martin Jambor  <mjambor@suse.cz>
3028         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
3029         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
3030         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
3031         respectively.
3033         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
3034         seen_variable_array_ref while also traversing a union.
3036         * tree-inline.c (optimize_inline_calls): Do not call
3037         cgraph_node_remove_callees.
3038         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
3039         (pass_remove_cgraph_callee_edges): New variable.
3040         * passes.c (init_optimization_passes): Add
3041         pass_remove_cgraph_callee_edges after early inlining and before all
3042         late intraprocedural passes.
3044         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
3046 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3048         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
3049         Fix typos in names.
3051 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3053         * combine.c (simplify_comparison): Use have_insn_for.
3054         * dojump.c (do_jump): Likewise.
3056 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3058         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
3059         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
3060         sparc_compare_op0 like sparc_compare_emitted used to be handled.
3061         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
3062         instead of sparc_compare_emitted.
3063         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
3064         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
3065         instead of sparc_compare_emitted.
3067 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3069         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
3070         enter/exit cfglayout mode.
3071         (pass_partition_block): Require it.
3072         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
3073         (combine_instructions): Track basic blocks instead of labels.
3074         (update_cfg_for_uncondjump): New.
3075         (try_combine): Use it.  Update jumps after rescanning.
3076         (pass_combine): Require PROP_cfglayout.
3077         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
3079 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3081         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
3082         Provide/destroy PROP_cfglayout respectively.
3083         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
3084         * tree-pass.h (PROP_cfglayout): New.
3086 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3088         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
3089         fold_convert_const_fixed_from_fixed,
3090         fold_convert_const_fixed_from_int,
3091         fold_convert_const_fixed_from_real, fold_negate_const): Do not
3092         set TREE_CONSTANT_OVERFLOW.
3093         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
3094         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
3096 2009-03-30  Ira Rosen  <irar@il.ibm.com>
3098         * tree-vect-loop-manip.c: New file.
3099         * tree-vectorizer.c: Update documentation and included files.
3100         (vect_loop_location): Make extern.
3101         (rename_use_op): Move to tree-vect-loop-manip.c
3102         (rename_variables_in_bb, rename_variables_in_loop, 
3103         slpeel_update_phis_for_duplicate_loop, 
3104         slpeel_update_phi_nodes_for_guard1,
3105         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
3106         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3107         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3108         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
3109         find_loop_location): Likewise.
3110         (new_stmt_vec_info): Move to tree-vect-stmts.c.
3111         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3112         get_vectype_for_scalar_type, vect_is_simple_use,
3113         supportable_widening_operation, supportable_narrowing_operation):
3114         Likewise.
3115         (bb_in_loop_p): Move to tree-vect-loop.c.
3116         (new_loop_vec_info, destroy_loop_vec_info, 
3117         reduction_code_for_scalar_code, report_vect_op, 
3118         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3119         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3120         (vect_supportable_dr_alignment): Likewise.
3121         * tree-vectorizer.h (tree-data-ref.h): Include.
3122         (vect_loop_location): Declare.
3123         Reorganize function declarations according to the new file structure.
3124         * tree-vect-loop.c: New file.
3125         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
3126         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3127         * tree-vect-data-refs.c: New file.
3128         * tree-vect-patterns.c (timevar.h): Don't include.
3129         * tree-vect-stmts.c: New file.
3130         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
3131         tree-vect-slp.c, tree-vect-loop.c.
3132         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
3133         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
3134         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3135         (tree-vect-analyze.o): Remove.
3136         (tree-vect-transform.o): Likewise.
3137         (tree-vect-data-refs.o): Add rule.
3138         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
3139         tree-vect-slp.o): Likewise.
3140         (tree-vect-patterns.o): Remove redundant dependencies.
3141         (tree-vectorizer.o): Likewise.
3142         * tree-vect-slp.c: New file.
3144 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3146         * optc-gen.awk: Warn if an option flag has multiple different
3147         help strings.
3149 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3151         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3152         -floop-block): Document dependences on PPL, CLooG and Graphite.
3154 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3156         PR rtl-optimization/323
3157         * c-common.c (c_fully_fold, convert_and_check,
3158         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3159         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3160         * c-common.def (EXCESS_PRECISION_EXPR): New.
3161         * c-cppbuiltin.c (builtin_define_float_constants): Define
3162         constants with enough digits for long double.
3163         * c-lex.c (interpret_float): Interpret constant with excess
3164         precision where appropriate.
3165         * c-opts.c (c_common_post_options): Set
3166         flag_excess_precision_cmdline.  Give an error for
3167         -fexcess-precision=standard for C++ for processors where the
3168         option is significant.
3169         * c-parser.c (c_parser_conditional_expression): Handle excess
3170         precision in condition.
3171         * c-typeck.c (convert_arguments): Handle arguments with excess
3172         precision.
3173         (build_unary_op): Move excess precision outside operation.
3174         (build_conditional_expr): Likewise.
3175         (build_compound_expr): Likewise.
3176         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3177         (build_modify_expr): Handle excess precision in RHS.
3178         (convert_for_assignment): Handle excess precision in converted
3179         value.
3180         (digest_init, output_init_element, process_init_element): Handle
3181         excess precision in initializer.
3182         (c_finish_return): Handle excess precision in return value.
3183         (build_binary_op): Handle excess precision in operands and add
3184         excess precision as needed for operation.
3185         * common.opt (-fexcess-precision=): New option.
3186         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3187         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3188         For standard excess precision, output explicit conversion to and
3189         truncation from XFmode.
3190         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3191         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3192         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3193         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3194         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3195         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3196         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3197         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3198         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3199         define_splits, sqrt<mode>2): Disable where appropriate for
3200         standard excess precision.
3201         * convert.c (convert_to_real): Do not shorten arithmetic to type
3202         for which excess precision would be used.
3203         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3204         * doc/invoke.texi (-fexcess-precision=): Document option.
3205         (-mfpmath=): Correct index entry.
3206         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3207         flag_excess_precision): New.
3208         * langhooks.c (lhd_post_options): Set
3209         flag_excess_precision_cmdline.
3210         * opts.c (common_handle_option): Handle -fexcess-precision=.
3211         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3212         init_excess_precision): New.
3213         (lang_dependent_init_target): Call init_excess_precision.
3214         * tree.c (excess_precision_type): New.
3215         * tree.h (excess_precision_type): Declare.
3217 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3219         PR c/35235
3220         * c-typeck.c (build_component_ref): Do not copy qualifiers from
3221         non-lvalue to component.
3223 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3225         PR preprocessor/34695
3226         * Makefile.in (c-opts.o): Depend on c-tree.h.
3227         * c-common.c: Move down include of diagnostic.h.
3228         (done_lexing, c_cpp_error): New.
3229         * c-common.h (done_lexing): Declare.
3230         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3231         (parse_in).
3232         * c-opts.c: Include c-tree.h.
3233         (c_common_init_options): Set preprocessor error callback.
3234         (c_common_handle_option): Do not set preprocessor
3235         inhibit_warnings, warnings_are_errors, warn_system_headers,
3236         pedantic_errors or inhibit_warnings flags.
3237         (c_common_post_options): Do not check cpp_errors (parse_in).
3238         (c_common_finish): Do not output dependencies if there were
3239         errors.  Do not check return value of cpp_finish.
3240         * c-ppoutput.c (pp_file_change): Set input_location.
3241         * c-tree.h (c_cpp_error): Declare.
3242         * diagnostic.c (diagnostic_set_info_translated): Also initialize
3243         override_column.
3244         (diagnostic_build_prefix): Check override_column.
3245         * diagnostic.h (diagnostic_info): Add override_column field.
3246         (diagnostic_override_column): Define.
3248 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
3250         * c-common.c (c_expand_expr, c_staticp): Remove.
3251         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3252         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3253         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3254         * c-gimplify.c (gimplify_compound_literal_expr,
3255         optimize_compound_literals_in_ctor): Remove.
3256         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3257         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3258         * c-semantics.c (emit_local_var): Remove.
3260         * langhooks-def.h (lhd_expand_expr): Remove.
3261         * langhooks.c (lhd_expand_expr): Remove.
3262         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3264         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3265         handling from c-semantics.c; don't call into langhook.
3266         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3267         * gimplify.c (gimplify_compound_literal_expr,
3268         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3269         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3270         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3271         as was done in c-gimplify.c.
3272         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3273         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3274         Move from c-common.h.
3275         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3277         * tree.c (staticp): Do not call langhook.
3278         * langhooks.c (lhd_staticp): Delete.
3279         * langhooks-def.h (lhd_staticp): Delete prototype.
3280         (LANG_HOOKS_STATICP): Delete.
3281         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3283         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3284         instead of DECL_STMTs.
3286 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3288         PR c/456
3289         PR c/5675
3290         PR c/19976
3291         PR c/29116
3292         PR c/31871
3293         PR c/35198
3294         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3295         void_type_node.
3296         (fold_call_expr): Return a NOP_EXPR from folding rather than the
3297         contained expression.
3298         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3299         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
3300         conditional expressions for C.
3301         (decl_constant_value_for_optimization): Move from
3302         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
3303         whether optimizing and that the expression is a VAR_DECL not of
3304         array type instead of doing such checks in the caller.  Do not
3305         check pedantic.  Call gcc_unreachable for C++.
3306         * c-common.def (C_MAYBE_CONST_EXPR): New.
3307         * c-common.h (c_fully_fold, c_save_expr,
3308         decl_constant_value_for_optimization): New prototypes.
3309         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3310         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3311         EXPR_INT_CONST_OPERANDS): Define.
3312         * c-convert.c (convert): Strip nops from expression.
3313         * c-decl.c (groktypename): Take extra parameters expr and
3314         expr_const_operands.  Update call to grokdeclarator.
3315         (start_decl): Update call to grokdeclarator.  Add statement for
3316         expressions used in type of decl.
3317         (grokparm): Update call to grokdeclarator.
3318         (push_parm_decl): Update call to grokdeclarator.
3319         (build_compound_literal): Add parameter non_const and build a
3320         C_MAYBE_COSNT_EXPR if applicable.
3321         (grokdeclarator): Take extra parameters expr and
3322         expr_const_operands.  Track expressions used in declaration
3323         specifiers and declarators.  Fold array sizes and track whether
3324         they are constant expressions and whether they are integer
3325         constant expressions.
3326         (parser_xref_tag): Set expr and expr_const_operands fields in
3327         return value.
3328         (grokfield): Update call to grokdeclarator.
3329         (start_function): Update call to grokdeclarator.
3330         (build_null_declspecs): Set expr and expr_const_operands fields in
3331         return value.
3332         (declspecs_add_type): Handle expressions in typeof specifiers.
3333         * c-parser.c (c_parser_declspecs): Set expr and
3334         expr_const_operands fields for declaration specifiers.
3335         (c_parser_enum_specifier): Likewise.
3336         (c_parser_struct_or_union_specifier): Likewise.
3337         (c_parser_typeof_specifier): Likewise.  Update call to
3338         groktypename.  Fold expression as needed.  Return expressions with
3339         type instead of adding statements.
3340         (c_parser_attributes): Update calls to c_parser_expr_list.
3341         (c_parser_statement_after_labels): Fold expression before passing
3342         to objc_build_throw_stmt.
3343         (c_parser_condition): Fold expression.
3344         (c_parser_asm_operands): Fold expression.
3345         (c_parser_conditional_expression): Use c_save_expr.  Update call
3346         to build_conditional_expr.
3347         (c_parser_alignof_expression): Update call to groktypename.
3348         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3349         original_code.  Fold expression argument of va_arg.  Create
3350         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3351         argument to va_arg.  Update calls to groktypename.  Fold array
3352         index for offsetof.  Verify that first argument to
3353         __builtin_choose_expr has integer type.
3354         (c_parser_postfix_expression_after_paren_type): Update calls to
3355         groktypename and build_compound_literal.  Handle expressions with
3356         side effects in type name.
3357         (c_parser_postfix_expression_after_primary): Update call to
3358         c_parser_expr_list.  Set original_code for calls to
3359         __builtin_constant_p.
3360         (c_parser_expr_list): Take extra parameter fold_p.  Fold
3361         expressions if requested.
3362         (c_parser_objc_type_name): Update call to groktypename.
3363         (c_parser_objc_synchronized_statement): Fold expression.
3364         (c_parser_objc_receiver): Fold expression.
3365         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3366         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3367         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3368         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3369         (struct c_typespec): Add elements expr and expr_const_operands.
3370         (struct c_declspecs): Add elements expr and expr_const_operands.
3371         (groktypename, build_conditional_expr, build_compound_literal):
3372         Update prototypes.
3373         (in_late_binary_op): Declare.
3374         * c-typeck.c (note_integer_operands): New function.
3375         (in_late_binary_op): New variable.
3376         (decl_constant_value_for_broken_optimization): Move to c-common.c
3377         and rename to decl_constant_value_for_optimization.
3378         (default_function_array_conversion): Do not strip nops.
3379         (default_conversion): Do not call
3380         decl_constant_value_for_broken_optimization.
3381         (build_array_ref): Do not fold result.
3382         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
3383         result when operand is a VLA.
3384         (c_expr_sizeof_type): Update call to groktypename.  Handle
3385         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
3386         result when operand names a VLA type.
3387         (build_function_call): Update call to build_compound_literal.
3388         Only fold result for calls to __builtin_* functions.  Strip
3389         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
3390         the function designator.
3391         (convert_arguments): Fold arguments.  Update call to
3392         convert_for_assignment.
3393         (build_unary_op): Handle increment and decrement of
3394         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
3395         decrement earlier.  Fold operand of increment and decrement.
3396         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
3397         built for integer operand.  Wrap returns that are INTEGER_CSTs
3398         without being integer constant expressions or that have integer
3399         constant operands without being INTEGER_CSTs.
3400         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3401         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
3402         result is an integer constant expression or can be used in
3403         unevaluated parts of one and avoid folding and wrap as
3404         appropriate.  Fold operands before possibly doing -Wsign-compare
3405         warnings.
3406         (build_compound_expr): Wrap result for C99 if operands can be used
3407         in integer constant expressions.
3408         (build_c_cast): Update call to digest_init.  Do not ignore
3409         overflow from casting floating-point constants to integers.  Wrap
3410         results that could be confused with integer constant expressions,
3411         null pointer constants or floating-point constants.
3412         (c_cast_expr): Update call to groktypename.  Handle expressions
3413         included in type name.
3414         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
3415         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
3416         Update calls to convert_for_assignment.
3417         (convert_for_assignment): Take new parameter
3418         null_pointer_constant.  Do not strip nops or call
3419         decl_constant_value_for_broken_optimization.  Set
3420         in_late_binary_op for conversions to boolean.
3421         (store_init_value): Update call to digest_init.
3422         (digest_init): Take new parameter null_pointer_constant.  Do not
3423         call decl_constant_value_for_broken_optimization.  pedwarn for
3424         initializers not constant expressions.  Update calls to
3425         convert_for_assignment.
3426         (constructor_nonconst): New.
3427         (struct constructor_stack): Add nonconst element.
3428         (really_start_incremental_init, push_init_level, pop_init_level):
3429         Handle constructor_nonconst and nonconst element.
3430         (set_init_index): Call constant_expression_warning for array
3431         designators.
3432         (output_init_element): Fold value.  Set constructor_nonconst as
3433         applicable.  pedwarn for initializers not constant expressions.
3434         Update call to digest_init.  Call constant_expression_warning
3435         where constant initializers are required.
3436         (process_init_element): Use c_save_expr.
3437         (c_finish_goto_ptr): Fold expression.
3438         (c_finish_return): Fold return value.  Update call to
3439         convert_for_assignment.
3440         (c_start_case): Fold switch expression.
3441         (c_process_expr_stmt): Fold expression.
3442         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3443         ensure statement expression is not evaluated in constant expression.
3444         (build_binary_op): Track whether results are integer constant
3445         expressions or may occur in such, disable folding and wrap results
3446         as applicable.  Fold operands for -Wsign-compare warnings unless
3447         in_late_binary_op.
3448         (c_objc_common_truthvalue_conversion): Handle results folded to
3449         integer constants that are not integer constant expressions.
3450         * doc/extend.texi: Document when typeof operands are evaluated,
3451         that condition of __builtin_choose_expr is an integer constant
3452         expression, and more about use of __builtin_constant_p in
3453         initializers.
3455 2009-03-29  Richard Guenther  <rguenther@suse.de>
3457         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3458         propagate addresses of array references.
3460 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3462         * regmove.c (perhaps_ends_bb_p): Remove.
3463         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
3464         from INSN and check that the main loop stays within that basic block.
3465         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3466         (regmove_forward_pass): Split out from regmove_optimize.  Use
3467         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3468         (regmove_backward_pass): Split out from regmove_optimize.  Use
3469         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3470         (regmove_optimize): Simplify.
3472 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3474         PR target/39545
3475         * config/i386/i386.c (classify_argument): Ignore flexible array
3476         member in struct and warn ABI change.
3478 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3480         * config/i386/i386-protos.h (ix86_agi_dependent): New.
3482         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3483         (ix86_adjust_cost): Updated.
3485 2009-03-29  Jan Hubicka  <jh@suse.cz>
3487         PR middle-end/28850
3488         * tree-pass.h (pass_cleanup_eh): New function.
3489         (remove_unreachable_regions): Break code handling RTL
3490         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3491         that can not be reached by runtime.
3492         (can_be_reached_by_runtime): New function.
3493         (label_to_region_map): New function.
3494         (num_eh_regions): New function.
3495         (rtl_remove_unreachable_regions): New function.
3496         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3497         (remove_eh_region): New function.
3498         * except.h: Include sbitmap and vecprim.
3499         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3500         num_eh_regions): Declare.
3501         * passes.c (init_optimization_passes): Schedule cleanup_eh.
3502         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3503         * tree-eh.c (tree_remove_unreachable_handlers): New function.
3504         (tree_empty_eh_handler_p): New function.
3505         (cleanup_empty_eh): New function.
3506         (cleanup_eh): New function.
3507         (pass_cleanup_eh): New function.
3509 2009-03-29  Jan Hubicka  <jh@suse.cz>
3511         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3512         for removed regions.
3514 2009-03-29  Jan Hubicka  <jh@suse.cz>
3516         * except.c (dump_eh_tree): Dump all datastructures.
3518 2009-03-29  Jan Hubicka  <jh@suse.cz>
3520         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3521         (duplicate_eh_regions_1): Likewise.
3522         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3523         vector; call EH verification.
3524         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3525         Be ready for region being removed.
3527 2009-03-29  Jan Hubicka  <jh@suse.cz>
3529         * bitmap.c (bitmap_last_set_bit): New function.
3530         * bitmap.h (bitmap_last_set_bit): Declare.
3532 2009-03-29  David Ayers  <ayers@fsfe.org>
3534         PR objc/27377
3535         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3536         by calling objc_compare_types and surpress warnings about
3537         incompatible C pointers that are compatible ObjC pointers.
3538         
3539 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
3541         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3542         call initialize_inline_failed.
3543         (initialize_inline_failed): Move it from here ...
3544         * cgraph.c (initialize_inline_failed): ... to here.
3545         (cgraph_create_edge): Call initialize_inline_failed rather than
3546         setting inline_failed directly.
3548 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3550         PR target/32542
3551         * sysv4.opt (msdata): Improve comment.
3552         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3553         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3555 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3557         PR target/30451
3558         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3559         load and store attributes.
3561 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3563         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3564         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3565         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3566         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3567         __builtin_infq and __builtin_huge_valq.
3569 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3571         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3572         atmega8m1 devices.
3573         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3574         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3576 2009-03-28  Xinliang David Li  <davidxl@google.com>
3578         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
3579         (do_dbg_cnt): New function.
3581 2009-03-28  Jan Hubicka  <jh@suse.cz>
3583         Merge from pretty-ipa:
3585         2009-03-27  Jan Hubicka  <jh@suse.cz>
3587         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3588         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3589         * passes.c (function_called_by_processed_nodes_p): New.
3590         * ipa-pure-const.c (check_call): Fix handling of operands.
3591         (analyze_function): Dump debug output for skipped bodies.
3592         (local_pure_const): Use function_called_by_processed_nodes_p.
3593         * dwarf2out.c (reference_to_unused): Use output.
3594         * passes.c (do_per_function_toporder): Likewise.
3596         2008-11-12  Jan Hubicka  <jh@suse.cz>
3598         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3599         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3600         state_set_in_source enum
3601         (check_decl): Ignore memory tags; do not set fake looping flags;
3602         dump diagnostics.
3603         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3604         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3605         (check_call, analyze_function): Rewrite.
3606         (check_stmt): New.
3607         (add_new_function): Update call of analyze_function.
3608         (generate_summary): Add call of analyze_function.
3609         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3610         (local_pure_const): New function.
3611         (pass_local_pure_const): New pass.
3612         * ipa-inline.c (inline_transform): Set after_inlining.
3613         * tree-eh.c (stmt_can_throw_external): New.
3614         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3615         work with aliasing built.
3616         * tree-flow.h (stmt_can_throw_external): New.
3617         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3618         and local pure/const pass in early and late optimization queue.
3620 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3622         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3623         allow_func_align.
3624         (fold_binary): Allow function decl aligment consideration is the
3625         second argument is integer constant one.
3626         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3627         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3628         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3630 2009-03-28  Jan Hubicka  <jh@suse.cz>
3632         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3633         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3634         * function.h (rtl_data): Add nothrow flag.
3635         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3636         set DECL_NOTHROW for AVAILABLE functions.
3638 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3640         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3641         following vector keyword has expansion starting with pixel or bool
3642         keyword, expand vector to __vector and pixel or bool to __pixel or
3643         __bool.
3645         PR c++/39554
3646         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3647         warn_if_disallowed_function_p): Removed.
3648         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3649         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3650         warning_if_disallowed_function_p.
3651         * flags.h (warn_if_disallowed_function_p,
3652         warn_disallowed_functions): Removed.
3653         * common.opt (Wdisallowed-function-list=): Removed.
3654         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3656 2009-03-28  Richard Guenther  <rguenther@suse.de>
3658         PR tree-optimization/38723
3659         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3660         the entry block.
3662 2009-03-28  Jan Hubicka  <jh@suse.cz>
3664         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3665         test introduced by my previous patch.
3667 2009-03-28  Richard Guenther  <rguenther@suse.de>
3669         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3670         the PHIs value undefined.
3672 2009-03-28  Jan Hubicka  <jh@suse.cz>
3674         * tree-pass.h (pass_fixup_cfg): New pass.
3675         * ipa-inline.c (inline_transform): Set
3676         always_inline_functions_inlined/after_inlining.
3677         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3678         (pass_fixup_cfg): New pass.
3679         * passes.c (init_optimization_passes): Add fixup_cfg.
3681 2009-03-28  Richard Guenther  <rguenther@suse.de>
3683         PR tree-optimization/38458
3684         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3685         argument use the arguments copy-of value.
3687 2009-03-28  Richard Guenther  <rguenther@suse.de>
3689         PR tree-optimization/38180
3690         * tree-ssa-ccp.c (get_default_value): Simplify.
3691         (likely_value): Likewise.
3692         (surely_varying_stmt_p): Properly handle VOP case.
3693         (ccp_initialize): Likewise.
3694         (ccp_fold): Handle propagating through *&.
3695         (fold_const_aggregate_ref): Also handle decls.
3697 2009-03-28  Jan Hubicka  <jh@suse.cz>
3699         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3700         * cgraph.h (cgraph_node): Likewise.
3701         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3702         (cgraph_reset_node): Use process flag.
3703         (cgraph_mark_functions_to_output): Likewise.
3704         (cgraph_expand_function): Likewise.
3705         (cgraph_expand_all_functions): Likewise.
3706         (cgraph_output_in_order): Likewise.
3707         * dwarf2out.c (reference_to_unused): Likewise.
3708         * passes.c do_per_function_toporder): Likewise.
3710 2009-03-28  Jan Hubicka  <jh@suse.cz>
3712         Bring from lto-branch:
3714         2008-09-03  Doug Kwan  <dougkwan@google.com>
3716         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3717         enums instead of reason strings.
3718         * cgraph.c (cgraph_create_edge): Same.
3719         (cgraph_inline_failed_string): New function.
3720         * cgraph.h (cgraph_inline_failed_t): New enum type.
3721         (cgraph_inline_failed_string): New prototype.
3722         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3723         char pointer to cgraph_inline_failed_t.
3724         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3725         (cgraph_default_inline_p): Ditto.
3726         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3727         to cgraph_inline_failed_t pointer.
3728         * cif-code.def: New file.
3729         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3730         reason string.
3731         (cgraph_check_inline_limits): Change type of REASON to pointer to
3732         cgraph_inline_failed_t.  Replace reason strings with enums.
3733         (cgraph_default_inline_p): Ditto.
3734         (cgraph_recursive_inlining_p): Ditto.
3735         (update_caller_keys): Change type of FAILED_REASON to
3736         cgraph_inline_failed_t.
3737         (cgraph_set_inline_failed): Change type of REASON to pointer to
3738         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3739         convert enums to strings for text output.
3740         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3741         to be of type cgraph_inline_failed_t.  Replace reason strings with
3742         enums.  Call cgraph_inline_failed_string to covert enums
3743         to strings for text output.
3744         (cgraph_decide_inlining): Replace reason strings with enums.
3745         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3746         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3747         for text output.
3748         * tree-inline.c (expand_call_inline): Change type of REASON
3749         to cgraph_inline_failed_t.  Replace reason strings with enums.
3750         Call cgraph_inline_failed_string for text output.
3751         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3752         (cgraph.o): Ditto.
3754 2009-03-28  Jan Hubicka  <jh@suse.cz>
3756         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3757         cgraph_clone_node): Remove master clone handling.
3758         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3759         * cgraph.h (master_clone): Remove.
3760         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3761         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3762         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3764 2009-03-28  Jan Hubicka  <jh@suse.cz>
3766         * cgraph.c (cgraph_function_body_availability): Functions declared
3767         inline are always safe to assume that it is not going to be replaced.
3769 2009-03-28  Richard Guenther  <rguenther@suse.de>
3771         PR tree-optimization/38513
3772         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3773         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3774         EXC_PTR_EXPR and FILTER_EXPR.
3775         (get_ref_from_reference_ops): Likewise.
3777 2009-03-28  Richard Guenther  <rguenther@suse.de>
3779         PR tree-optimization/38968
3780         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3781         Use FLOOR_MOD_EXPR to compute misalignment.
3783 2009-03-28  Richard Guenther  <rguenther@suse.de>
3785         PR tree-optimization/37795
3786         * tree.h (combine_comparisons): Declare.
3787         * fold-const.c (combine_comparisons): Export.
3788         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3789         comparisons.
3790         (ifcombine_iforif): Use combine_comparisons.
3792 2009-03-28  Jan Hubicka  <jh@suse.cz>
3794         * tree-eh.c (inlinable_call_p): New function.
3795         (make_eh_edges): Use it.
3796         (verify_eh_edges): Use it.
3797         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3798         * except.c (reachable_next_level): Add inlinable_function argument
3799         (sjlj_find_directly_reachable_regions): Update.
3800         (add_reachable_handler): Do not set saw_any_handlers.
3801         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3802         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3803         Add new inlinable call parameter.
3804         (can_throw_internal, can_throw_external): Update.
3805         * except.h (can_throw_internal_1, can_throw_external_1,
3806         foreach_reachable_handler): Update declaration.
3808 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3810         * config/arm/t-arm-coff, config/h8300/coff.h,
3811         config/i386/i386-aout.h, config/i386/i386-coff.h,
3812         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3813         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3814         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3815         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3816         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3817         sys-types.h: Remove.
3818         * Makefile.in: Remove protoize and fixproto support and references
3819         in comments.
3820         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3821         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3822         Remove.
3823         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3824         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3825         unprotoize$(exeext).
3826         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3827         (.PHONY): Don't depend on proto.
3828         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3829         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3830         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3831         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3832         build/gen-protos.o, build/scan.o, xsys-protos.h,
3833         build/fix-header$(build_exeext), build/fix-header.o,
3834         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3835         stmp-install-fixproto): Remove.
3836         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3837         SYSCALLS.c or fixproto files.
3838         (install-common): Don't install protoize.
3839         (install-headers-tar, install-headers-cpio, install-headers-cp):
3840         Don't depend on $(STMP_FIXPROTO).
3841         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
3842         install fixproto files or write out fixproto settings.
3843         (uninstall): Don't uninstall protoize.
3844         * config.gcc (use_fixproto): Remove.
3845         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3846         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3847         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3848         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3849         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3850         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3851         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3852         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3853         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3854         * config/t-vxworks (STMP_FIXPROTO): Remove.
3855         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3856         STMP_FIXPROTO): Remove.
3857         * config.in, configure: Regenerate.
3858         * crtstuff.c (gid_t, uid_t): Don't undefine.
3859         * doc/install.texi: Change m68k-coff to m68k-elf in example.
3860         (arm-*-coff, arm-*-aout: Remove target entries.
3861         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3862         Remove mention of AIX 4.1.
3863         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3864         * doc/invoke.texi (Running Protoize): Remove.
3865         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3866         (Protoize Caveats): Remove.
3867         * tsystem.h: Update comments on headers assumed to exist.
3869 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
3871         * genautomata.c: Add a new year to the copyright.  Add a new
3872         reference.
3873         (struct insn_reserv_decl): Add comments for member bypass_list.
3874         (find_bypass): Remove.
3875         (insert_bypass): New.
3876         (process_decls): Use insert_bypass.
3877         (output_internal_insn_latency_func): Output all bypasses with the
3878         same input insn in one switch case.
3880         * rtl.def (define_bypass): Describe bypass choice.
3881         * doc/md.texi (define_bypass): Ditto.
3883 2009-03-27  Richard Guenther  <rguenther@suse.de>
3885         * gimplify.c (mark_addressable): Export.
3886         * tree-flow.h (mark_addressable): Declare.
3887         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3888         * tree-ssa.c (verify_phi_args): Verify that address taken
3889         variables have TREE_ADDRESSABLE set.
3891 2009-03-27  Richard Guenther  <rguenther@suse.de>
3893         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3894         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
3895         Do not mark decls TREE_ADDRESSABLE.
3896         (build_fold_addr_expr): Adjust.
3897         (fold_addr_expr): Remove.
3898         (fold_unary): Use build_fold_addr_expr.
3899         (fold_comparison): Likewise.
3900         (split_address_to_core_and_offset): Likewise.
3901         * coverage.c (tree_coverage_counter_addr): Mark the array decl
3902         TREE_ADDRESSABLE.
3903         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3904         (gimplify_modify_expr_to_memcpy): Mark source and destination
3905         addressable.
3906         * omp-low.c (create_omp_child_function): Mark the object decl
3907         TREE_ADDRESSABLE.
3908         (lower_rec_input_clauses): Mark the var we take the address of
3909         TREE_ADDRESSABLE.
3910         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3912 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3914         PR middle-end/39315
3915         * cfgexpand.c (expand_one_stack_var_at): Change alignment
3916         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3918 2009-03-27  Richard Guenther  <rguenther@suse.de>
3920         PR tree-optimization/39120
3921         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3922         constraints.
3923         (handle_lhs_call): Process return constraints.  Add escape
3924         constraints if necessary.
3925         (handle_const_call): Fill out return constraints.  Make nested
3926         case more precise.  Avoid consttmp if possible.
3927         (handle_pure_call): Fill out return constraints.  Avoid
3928         callused if possible.
3929         (find_func_aliases): Simplify call handling.
3931 2009-03-27  Richard Guenther  <rguenther@suse.de>
3933         PR tree-optimization/39120
3934         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3935         as a representative.
3936         (solve_graph): Do propagate CALLUSED.
3937         (handle_pure_call): Use a scalar constraint from CALLUSED for
3938         the return value.
3939         (find_what_p_points_to): CALLUSED shall not appear in poins-to
3940         solutions.
3942 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3944         PR c/39323
3945         * c-common.c (handle_aligned_attribute): Properly check alignment
3946         overflow.  Use (1U << i) instead of (1 << i).
3948         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3950         * expr.h (get_mem_align_offset): Updated.
3952         * tree.h (tree_decl_common): Change align to "unsigned int" and
3953         move it before pointer_alias_set.
3955 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3956             Jakub Jelinek  <jakub@redhat.com>
3958         PR target/38034
3959         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3960         gr_register_operand with gr_reg_or_0_operand.
3961         (cmpxchg_rel_di): Likewise.
3962         (sync_lock_test_and_set<mode>): Likewise.
3964 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3966         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3967         (true_regnum): Likewise.
3969         * rtlanal.c (subreg_info): Moved to ...
3970         * rtl.h (subreg_info): Here.  New.
3971         (subreg_get_info): New.
3973         * rtlanal.c (subreg_get_info): Make it extern.
3975 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3977         PR target/39472
3978         * config/i386/i386.c (ix86_abi): New.
3979         (override_options): Handle -mabi=.
3980         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3981         (ix86_call_abi_override): Likewise.
3982         (init_cumulative_args): Likewise.
3983         (function_arg_advance): Likewise.
3984         (function_arg_64): Likewise.
3985         (function_arg): Likewise.
3986         (ix86_pass_by_reference): Likewise.
3987         (ix86_function_value_regno_p): Likewise.
3988         (ix86_build_builtin_va_list_abi): Likewise.
3989         (setup_incoming_varargs_64): Likewise.
3990         (is_va_list_char_pointer): Likewise.
3991         (ix86_init_machine_status): Likewise.
3992         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3993         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
3994         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
3995         (ix86_function_abi): Make it static and return enum calling_abi.
3996         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
3997         with ix86_abi.
3998         (ix86_fn_abi_va_list): Updated.
4000         * config/i386/i386.h (ix86_abi): New.
4001         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
4002         (CONDITIONAL_REGISTER_USAGE): Likewise.
4003         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
4004         (machine_function): Likewise.
4006         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
4007         with ix86_abi.
4008         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
4009         (STACK_BOUNDARY): Likewise.
4010         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
4012         * config/i386/i386.opt (mabi=): New.
4014         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
4015         return enum calling_abi.
4016         (ix86_function_type_abi): Likewise.
4017         (ix86_function_abi): Removed.
4019         * doc/invoke.texi: Document -mabi= option for x86.
4021 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4023         * builtins.c (real_dconstp): Delete.
4024         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
4026 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
4027             Jakub Jelinek  <jakub@redhat.com>
4029         PR debug/37959
4030         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
4031         (gen_subprogram_die): When a function is explicit, generate the
4032         DW_AT_explicit attribute.
4033         * langhooks.h (struct lang_hooks_for_decls): Add
4034         function_decl_explicit_p langhook.
4035         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
4036         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
4038 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
4040         * builtins.c (fold_builtin_memory_op): Optimize memmove
4041         into memcpy if we can prove source and destination don't overlap.
4043         * tree-inline.c: Include gt-tree-inline.h.
4044         (clone_fn_id_num): New variable.
4045         (clone_function_name): New function.
4046         (tree_function_versioning): Use it.
4047         * Makefile.in (GTFILES): Add tree-inline.c.
4049 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
4051         * BASE-VER: Change to 4.5.0.
4053 2009-03-27  Xinliang David Li  <davidxl@google.com>
4055         PR tree-optimization/39557
4056         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
4058 2009-03-27  Xinliang David Li  <davidxl@google.com>
4060         PR tree-optimization/39548
4061         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
4062         candidate check.
4064 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4066         * c-common.c (pointer_int_sum): Use %wd on return from
4067         tree_low_cst.
4069 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4071         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
4072         on return from tree_low_cst.
4074 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4076         PR c++/36799
4077         * ginclude/stdarg.h (va_copy): Define also for
4078         __GXX_EXPERIMENTAL_CXX0X__.
4080 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4082         PR c++/35652
4083         * builtins.h (c_strlen): Do not warn here.
4084         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
4085         * c-common.c (pointer_int_sum): Take an explicit location.
4086         Warn about offsets out of bounds.
4087         * c-common.h (pointer_int_sum): Adjust declaration.
4089 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4091         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
4092         markup glitch.
4094 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
4096         PR c++/39554
4097         * opts.c (warn_if_disallowed_function_p): Don't assume
4098         get_callee_fndecl must return non-NULL.
4100 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
4102         PR rtl-optimization/39522
4103         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
4104         when reg_reloaded_valid is set.
4106 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4108         * config/spu/divv2df3.c: New file.
4109         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
4110         (DPBIT_FUNCS): Filter out _div_df.
4112 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4114         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4115         a jump insn, count that jump in the distance to the loop start.
4117 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
4119         PR target/39523
4120         * config/sh/sh.c (calc_live_regs): Fix condition for global
4121         registers except PIC_OFFSET_TABLE_REGNUM.
4123 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
4125         PR/39518
4126         * doc/invoke.texi (-mconsole): New.
4127         (-mcygwin): New.
4128         (-mno-cygwin): New.
4129         (-mdll): New.
4130         (-mnop-fun-dllimport): New.
4131         (-mthread): New.
4132         (-mwin32): New.
4133         (-mwindows): New.
4134         (sub section "i386 and x86-64 Windows Options"): New.
4136 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
4138         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4139         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4141 2009-03-25  Richard Guenther  <rguenther@suse.de>
4143         PR middle-end/39497
4144         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4145         of -Wno-error.
4147 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
4149         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4150         neither of haifa/selective schedulers are working.
4152 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4154         * doc/invoke.texi (Debugging Options): Fix description of
4155         -fno-merge-debug-strings.
4157 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
4159         * config/cris/libgcc.ver: New version-script.
4160         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4162         * configure.ac <GAS features, nop mnemonic>: Add pattern
4163         crisv32-*-* for "nop".
4164         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4165         * configure: Regenerate.
4167 2009-03-24  Ira Rosen  <irar@il.ibm.com>
4169         PR tree-optimization/39529
4170         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4171         mark_sym_for_renaming for the tag copied to the new vector
4172         pointer.
4174 2009-03-24  Arthur Loiret  <aloiret@debian.org>
4176         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4177         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4178         EXTRA_SPEC_FUNCTIONS.
4179         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4180         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4181         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4182         -march and -mtune options.
4184 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
4186         * config/m68k/t-rtems: Add m5329 multilib.
4188 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
4189             Jakub Jelinek  <jakub@redhat.com>
4191         PR debug/39524
4192         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4193         nodes.
4195 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4197         PR c/39495
4198         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4199         instead of c_parser_expression_conv, if original_code isn't one of the
4200         4 allowed comparison codes, fail.
4202 2009-03-23  Richard Guenther  <rguenther@suse.de>
4204         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4205         * tree.h (struct tree_type): Likewise.
4206         * reload.h (struct insn_chain): Likewise.
4207         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4208         * function.h (struct function): Likewise.
4209         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4211 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4213         PR tree-optimization/39516
4214         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4216 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
4218         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
4219         should be set true if BITS_PER_WORD of target is bigger than 32
4221 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
4223         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4224         Translate -B-options to -rpath-link.  Correct existing
4225         rpath-link and conditionalize on !nostdlib.
4227 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4229         * doc/extend.texi (Function Attributes, Variable Attributes):
4230         Fix typos.
4231         * doc/invoke.texi (Debugging Options, Optimize Options)
4232         (i386 and x86-64 Options, MCore Options): Likewise.
4234 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
4236         PR debug/37890
4237         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4238         it for block local namespace aliases.
4239         (gen_decl_die): Pass context_die to gen_namespace_die.
4241 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4243         PR c/39495
4244         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4245         minimum or maximum value.
4247 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
4249         * reginfo.c (globalize_reg): Recompute derived reg sets.
4251 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
4253         PR target/39063
4254         * libgcc2.c (mprotect): Do not use signed arguments for
4255         VirtualProtect, use DWORD arguments.  Also fix the 'may
4256         be used uninitialized' warning for the np variable.
4258 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4260         PR target/39496
4261         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4262         functions using regparm calling conventions when not optimizing.
4263         (ix86_function_sseregparm): Similarly for sseregparm calling
4264         conventions.
4266 2009-03-19  Li Feng  <nemokingdom@gmail.com>
4268         PR middle-end/39500
4269         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4270         dependence if the first conflict is after niter iterations.
4272 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
4274         PR middle-end/38609
4275         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4276         functions with dynamic stack-pointer adjustments.
4278 2009-03-19  Ben Elliston  <bje@au.ibm.com>
4280         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4281         option; change to -msdata=data.
4283 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4285         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4286         and -fopenmp.
4288 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
4290         PR target/35180
4291         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4293 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
4295         * doc/invoke.texi (Code Gen Options): Expand discussion of
4296         -fno-common.
4298 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
4300         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4301         * matrix-reorg.c (struct matrix_info): Likewise.
4302         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4303         * rtl.h (struct mem_attrs): Likewise.
4304         * df.h (struct df): Likewise.
4305         * tree-data-ref.h (struct data_dependence_relation): Likewise.
4306         * ira-int.h (struct ira_allocno): Likewise.
4307         * df-scan.c (struct df_collection_rec): Likewise.
4308         * ira.c (struct equivalence): Likewise.
4309         * function.c (struct temp_slot): Likewise.
4310         * cfgloop.h (struct loop): Likewise.
4312         PR debug/39485
4313         * function.c (use_register_for_decl): When not optimizing, disregard
4314         register keyword for variables with types containing methods.
4316 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
4318         PR middle-end/39447
4319         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4320         (is_simple_operand): Call contains_component_ref_p before calling data
4321         reference analysis that would fail on COMPONENT_REFs.
4323         * tree-vrp.c (search_for_addr_array): Fix formatting.
4325 2009-03-18  Richard Guenther  <rguenther@suse.de>
4327         * tree-vect-transform.c (vect_loop_versioning): Fold the
4328         generated comparisons.
4329         * tree-vectorizer.c (set_prologue_iterations): Likewise.
4330         (slpeel_tree_peel_loop_to_edge): Likewise.
4332 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4334         PR middle-end/37805
4335         * opts.c (print_specific_help): In addition to `undocumented',
4336         accept `separate' and `joined' flags if passed alone.  Describe
4337         output by the first matched one of those.
4338         (common_handle_option): Skip over empty strings.
4339         * gcc.c (display_help): Fix help string for `--help='.
4340         * doc/invoke.texi (Option Summary, Overall Options): With
4341         `--help=', classes and qualifiers can both be repeated, but
4342         only the latter can be negated.  One should not pass only
4343         negated qualifiers.  Fix markup and examples.
4345         Revert
4346         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
4347         PR middle-end/37805
4348         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4349         and -fhelp=separate.
4351 2009-03-17  Jing Yu  <jingyu@google.com>
4353         PR middle-end/39378
4354         * function.h (struct rtl_data): Move is_thunk from here...
4355         (struct function): ...to here.
4356         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4357         * varasm.c (assemble_start_function): Change is_thunk from crtl to
4358         cfun.
4359         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4360         cfun.
4361         (alpha_does_function_need_gp, alpha_start_function): Likewise.
4362         (alpha_output_function_end_prologue): Likewise.
4363         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4364         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4365         (rs6000_output_function_epilogue): Likewise.
4366         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4368 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
4370         PR target/39482
4371         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4372         from different units in a single alternative.
4373         (*truncdfsf_i387): Ditto.
4374         (*truncxfsf2_mixed): Ditto.
4375         (*truncxfdf2_mixed): Ditto.
4377 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
4379         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4380         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4382         PR debug/39474
4383         * tree-ssa-live.c (remove_unused_locals): Don't remove local
4384         unused non-artificial variables when not optimizing.
4386         PR debug/39471
4387         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4388         DW_TAG_imported_module even if decl is IMPORTED_DECL with
4389         NAMESPACE_DECL in its DECL_INITIAL.
4391         PR middle-end/39443
4392         * optabs.c (set_user_assembler_libfunc): New function.
4393         * expr.h (set_user_assembler_libfunc): New prototype.
4394         * c-common.c: Include libfuncs.h.
4395         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4396         for memcmp, memset, memcpy, memmove and abort.
4397         * Makefile.in (c-common.o): Depend on libfuncs.h.
4399         PR debug/39412
4400         * dwarf2out.c (gen_inlined_enumeration_type_die,
4401         gen_inlined_structure_type_die, gen_inlined_union_type_die,
4402         gen_tagged_type_instantiation_die): Removed.
4403         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4404         do nothing.
4406 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
4408         PR testsuite/38526
4409         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4410         its use.
4411         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4412         (check-parallel-%): Ditto.
4413         (check-consistency): Ditto.
4415 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
4417         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4418         local variable rhs by NULL_TREE.
4420 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4422         PR target/39477
4423         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4425 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4427         PR target/39476
4428         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4430 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4432         PR target/39473
4433         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4434         for ms->sysv ABI calls only in 64bit mode.
4436         * config/i386/i386.md (untyped_call): Support 32bit.
4438 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
4440         * doc/extend.texi: Replace x86_65 with x86_64.
4442 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
4444         PR tree-optimization/39455
4445         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4446         mismatches for POINTER_TYPE_P (type).
4447         (number_of_iterations_le): Likewise.
4449 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
4451         * config/picochip/picochip.c: Removed profiling support.
4452         * config/picochip/picochip.md: Removed profiling instruction.
4453         * config/picochip/picochip.h: Removed profiling builtin.
4455 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
4457         * doc/install.texi (--with-host-libstdcxx): Document.
4459 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
4461         PR target/34299
4462         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4463         generate a warning if the function name does not begin with
4464         "__vector" and the function has either the 'signal' or 'interrupt'
4465         attribute, from here to ...
4466         (avr_declare_function_name): ...here. New function.
4467         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4468         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4470 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
4472         PR bootstrap/39454
4473         * cse.c (fold_rtx): Don't modify original const_arg1 when
4474         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4475         separate variable instead.
4476         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4477         from out of range shift counts.
4478         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4480 2008-03-13  Catherine Moore  <clm@codesourcery.com>
4482         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4483         diagnostic.h with $(DIAGNOSTIC_H).
4485 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
4487         PR target/39431
4488         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4489         predicate.
4490         * config/i386/sync.md (sync_compare_and_swap<mode>,
4491         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4492         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4493         into a register.
4494         (sync_double_compare_and_swapdi_pic,
4495         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4496         cmpxchg8b_pic_memory_operand instead of just memory_operand.
4498 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4500         PR target/39445
4501         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4503 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4505         PR target/39327
4506         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4507         (avx_addsubv4df3): Likewise.
4508         (*avx_addsubv4sf3): Likewise.
4509         (sse3_addsubv4sf3): Likewise.
4511 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4513         PR target/38824
4514         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4516 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
4518         PR debug/39432
4519         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4520         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4521         registers for allocnos created from user-defined variables.
4523 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4525         PR target/39181
4526         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4527         of non-integer mode as well.
4529 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
4531         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4532         for functions for which the parameter types are unknown.
4534 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
4536         PR target/39137
4537         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4538         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4539         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4540         * config/i386/i386.c (ix86_local_alignment): For
4541         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4542         long long variables on the stack to avoid dynamic realignment.
4543         Allow the first argument to be a decl rather than type.
4544         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4546 2009-03-11  Nick Clifton  <nickc@redhat.com>
4548         PR target/5362
4549         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4550         options.
4551         Add description to mno-lsim option.
4552         * config/mcore/mcore.h: Remove comment about deprecated m4align
4553         option.
4554         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4555         * doc/invoke.texi: Add description of mno-lsim and
4556         mstack-increment options.
4558         * config/fr30/fr30.opt: Document the -mno-lsim option.
4559         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4560         and -mno-lsim options.
4562 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4564         * fold-const.c (fold_comparison): Only call fold_inf_compare
4565         if the mode supports infinities.
4567 2009-03-11  Jason Merrill  <jason@redhat.com>
4569         PR debug/39086
4570         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4571         end already did.  Notice GIMPLE_CALL modifications of the result.
4572         Don't copy debug information from an ignored decl or a decl from
4573         another function.
4575 2009-03-10  Richard Guenther  <rguenther@suse.de>
4576             Nathan Froyd  <froydnj@codesourcery.com>
4578         PR middle-end/37850
4579         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4580         (__divMODE3): Likewise.
4582 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
4584         PR tree-optimization/39394
4585         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4586         DECL_SIZE_UNIT of variable length FIELD_DECLs.
4588 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4590         * recog.c (verfiy_changes): Disallow renaming of hard regs in
4591         inline asms for register asm ("") declarations.
4593 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
4595         * fold-const.c (fold_unary): Fix comment.
4597 2009-03-07  Jan Hubicka  <jh@suse.cz>
4599         PR target/39361
4600         * tree-inline.c (setup_one_parameter): Do replacement of const
4601         argument by constant in SSA form.
4603 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4605         PR middle-end/38028
4606         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4607         determine alignment passed to assign_stack_local.
4608         (assign_parms_unsplit_complex): Likewise.
4609         * except.c (sjlj_build_landing_pads): Likewise.
4611 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4613         PR middle-end/39360
4614         * tree-flow.h (add_referenced_var): Return bool instead of void.
4615         * tree-dfa.c (add_referenced_var): Return result of
4616         referenced_var_check_and_insert call.
4617         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4618         of referenced_var_check_and_insert.
4620         PR debug/39372
4621         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4622         (gen_variable_die): Emit DW_AT_location on abstract static variable's
4623         DIE, don't emit it if abstract origin already has it.
4624         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4625         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4627 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4629         * genpreds.c (needs_variable): Fix parentheses at variable name
4630         detection.
4631         (write_tm_constrs_h): Indent generated code.
4633 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4635         * doc/extend.texi (Function Attributes): Add documentation
4636         for isr attributes.
4638 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4640         PR debug/39387
4641         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4642         take locus from its DECL_SOURCE_LOCATION instead of input_location.
4644 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4646         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4647         the loop as bad.
4649 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
4651         PR debug/39379
4652         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4653         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4655 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
4657         * config/i386/i386.md (R8_REG, R9_REG): New constants.
4658         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4659         constants instead of magic numbers.
4660         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4661         (QI_REG_P): Ditto.
4662         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4663         (x86_64_ms_abi_int_parameter_registers): Ditto.
4664         (x86_64_int_return_registers): Ditto.
4665         (ix86_maybe_switch_abi): Ditto.
4666         (ix86_expand_call): Ditto for clobbered_registers array.
4667         (ix86_hard_regno_mode_ok): Ditto.
4668         (x86_extended_QIreg_mentioned_p): Ditto.
4670 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
4672         PR tree-optimization/39349
4673         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4675         * combine.c (gen_lowpart_for_combine): Use omode when generating
4676         clobber.
4678 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
4680         PR rtl-optimization/39235
4681         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4683 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4685         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4687 2009-03-04  Richard Guenther  <rguenther@suse.de>
4689         PR tree-optimization/39362
4690         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4691         that occur in abnormal PHIs should be varying.
4693 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4695         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4696         Extend comments.
4697         (simple_iv):  Take loop as an argument instead of statement.
4698         * tree-scalar-evolution.h (simple_iv): Declaration changed.
4699         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4700         to simple_iv.
4701         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4702         Ditto.
4703         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4704         * matrix-reorg.c (analyze_transpose): Ditto.
4705         * tree-data-ref.c (dr_analyze_innermost): Ditto.
4706         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4707         * tree-predcom.c (ref_at_iteration): Ditto.
4708         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4710 2009-03-04  Richard Guenther  <rguenther@suse.de>
4712         PR tree-optimization/39358
4713         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4714         escaped_id and callused_id.
4715         (solve_graph): Likewise.
4717 2009-03-04  Richard Guenther  <rguenther@suse.de>
4719         PR tree-optimization/39339
4720         * tree-sra.c (try_instantiate_multiple_fields): Make it
4721         no longer ICE on the above.
4723 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
4725         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4726         that fits within Pmode.
4728 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4730         PR middle-end/10109
4731         * tm.texi (LIBCALL_VALUE): Update description.
4733 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4735         PR middle-end/34443
4736         * doc/extend.texi (section): Update description.
4738 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
4740         PR middle-end/39345
4741         * tree-inline.c (remapped_type): New.
4742         (can_be_nonlocal): Call remapped_type instead of remap_type.
4744 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4746         PR fortran/39354
4747         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4748         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4750 2009-03-03  Richard Guenther  <rguenther@suse.de>
4752         PR middle-end/39272
4753         * tree.c (tree_nonartificial_location): New function.
4754         * tree.h (tree_nonartificial_location): Declare.
4755         * builtins.c (expand_builtin_memory_chk): Provide location
4756         of the call location for artificial function pieces.
4757         (maybe_emit_chk_warning): Likewise.
4758         (maybe_emit_sprintf_chk_warning): Likewise.
4759         (maybe_emit_free_warning): Likewise.
4760         * expr.c (expand_expr_real_1): Likewise.
4762 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4764         PR tree-optimization/39343
4765         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4766         COMPONENT_REF t has ARRAY_TYPE.
4768 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4770         PR middle-end/39335
4771         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4772         when the type precision of the induction variable should be
4773         larger than the type precision of nit.
4774         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4775         * graphite.c (graphite_loop_normal_form): Same.
4776         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4778 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4780         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4781         (*call_1_rex64_ms_sysv): Use named constants instead of magic
4782         numbers to describe clobbered registers.
4783         (*call_value_0_rex64_ms_sysv): Ditto.
4784         * config/i386/mmx.md (mmx_emms): Ditto.
4785         (mmx_femms): Ditto.
4787 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
4789         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4790         of ABI_64.
4792 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4794         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4795         (spu_section_type_flags): New function.
4797 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4799         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4800         reg_class_contents of FLOAT_REGS into a temporary.
4802 2009-03-02  Richard Guenther  <rguenther@suse.de>
4803             Ira Rosen  <irar@il.ibm.com>
4805         PR tree-optimization/39318
4806         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4807         information to the vectorized statement.
4809 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
4811         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4812         variable.  Use defined names instead of magic constants for REX SSE
4813         registers.
4815 2009-03-01  Richard Guenther  <rguenther@suse.de>
4817         PR tree-optimization/39331
4818         * omp-low.c (lower_send_shared_vars): Do not receive new
4819         values for the reference of DECL_BY_REFERENCE parms or results.
4821 2009-03-01  Jan Hubicka  <jh@suse.cz>
4823         PR debug/39267
4824         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4825         BLOCK_NONLOCALIZED_VAR): New macros.
4826         (tree_block): Add nonlocalized_vars.
4827         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4828         gen_decl_die): Add origin argument.  Allow generation of die with
4829         origin at hand only.
4830         (gen_member_die, gen_type_die_with_usage, force_decl_die,
4831         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4832         of gen_*.
4833         (gen_block_die): Fix checking for unused blocks.
4834         (process_scope_var): Break out from .... ; work with origins only.
4835         (decls_for_scope) ... here; process nonlocalized list.
4836         (dwarf2out_ignore_block): Look for nonlocalized vars.
4837         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4838         vars.
4839         (dump_scope_block): Dump them.
4840         * tree-inline.c (remap_decls): Handle nonlocalized vars.
4841         (remap_block): Likewise.
4842         (can_be_nonlocal): New predicate.
4843         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4845 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4847         * configure: Regenerate.
4849 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4851         * optc-gen.awk: No need to duplicate option flags twice.
4852         Reuse help texts for duplicate options which do not have any.
4854         * gcc.c (display_help): Document --version.
4856         * gcc.c (main): If print_help_list and verbose_flag, ensure
4857         driver output comes before subprocess output.
4859         * optc-gen.awk: Assign all remaining fields to help string,
4860         space-separated, for multi-line help in *.opt.
4862         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4863         -Wno-pedantic-ms-format is for MinGW targets only.
4865         * doc/options.texi (Option file format): Fix bad indentation,
4866         restoring dropped sentence.
4868 2009-02-28  Jan Hubicka  <jh@suse.cz>
4870         * tree-inline.c (tree_function_versioning): Output debug info.
4872 2009-02-28  Jan Hubicka  <jh@suse.cz>
4874         PR debug/39267
4875         * tree-inline.c (setup_one_parameter): Do not copy propagate
4876         arguments when not optimizing.
4878 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
4880         PR target/39327
4881         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4882         (avx_addsubv4df3): Likewise.
4883         (*avx_addsubv4sf3): Likewise.
4884         (sse3_addsubv4sf3): Likewise.
4885         (*avx_addsubv2df3): Likewise.
4886         (sse3_addsubv2df3): Likewise.
4887         (avx_unpckhps256): Correct item selectors.
4888         (avx_unpcklps256): Likewise.
4889         (avx_unpckhpd256): Likewise.
4890         (avx_unpcklpd256): Likewise.
4892 2009-02-28  Jan Hubicka  <jh@suse.cz>
4894         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4895         static vars.
4896         (copy_arguments_for_versioning): If var is declared don't declare it.
4897         (tree_function_versioning): First setup substitutions and then copy
4898         args.
4900 2009-02-27  Jan Hubicka  <jh@suse.cz>
4902         PR debug/39267
4903         * cgraph.h (varpool_output_debug_info): Remove.
4904         * cgraphunit.c (varpool_output_debug_info): Remove.
4905         * dwarf2out.c (deferred_locations_struct): New struct
4906         (deferred_locations): New type.
4907         (deferred_locations_list): New static var.
4908         (deffer_location): New function.
4909         (gen_variable_die): Use it.
4910         (decls_for_scope): Output info on local static vars.
4911         (dwarf2out_finish): Process deferred locations.
4912         * varpool.c (varpool_output_debug_info): Remove.
4914 2009-02-27  Jan Hubicka  <jh@suse.cz>
4916         PR debug/39267
4917         * tree.h (TREE_PROTECTED): Fix comment.
4918         (BLOCK_HANDLER_BLOCK): Remove.
4919         (struct tree_block): Remove handler_block add body_block.
4920         (inlined_function_outer_scope_p): New.
4921         (is_body_block): Remove.
4922         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4923         * dwarf2out.c (is_inlined_entry_point): Remove.
4924         (add_high_low_attributes): Use inlined_function_outer_scope_p.
4925         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
4926         code.
4927         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4928         * gimplify.c (gimplify_expr): Gimplify body blocks.
4929         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4930         block with multiple subblocks.
4931         (dump_scope_block): Prettier output; dump more flags and info.
4932         (dump_scope_blocks): New.
4933         (remove_unused_locals): Use dump_scope_blocks.
4934         * tree-flow.h (dump_scope_blocks): Declare.
4935         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4936         * stmt.c (is_body_block): Remove.
4937         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4938         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4940 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4942         PR middle-end/39308
4943         * graphite.c (graphite_loop_normal_form): Do not call 
4944         number_of_iterations_exit from a gcc_assert.
4946 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4948         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4949         jumps if COND is NULL.
4950         (find_cond_jump): New function.
4951         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4952         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4954 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
4956         * config/alpha/alpha.h (alpha_expand_mov): Return false if
4957         force_const_mem returns NULL_RTX.
4959 2009-02-26  Jan Hubicka  <jh@suse.cz>
4961         PR debug/39267
4962         * cgraph.h (varpool_output_debug_info): Remove.
4963         * cgraphunit.c (varpool_output_debug_info): Remove.
4964         * dwarf2out.c (deferred_locations_struct): New struct
4965         (deferred_locations): New type.
4966         (deferred_locations_list): New static var.
4967         (deffer_location): New function.
4968         (gen_variable_die): Use it.
4969         (decls_for_scope): Output info on local static vars.
4970         (dwarf2out_finish): Process deferred locations.
4971         * varpool.c (varpool_output_debug_info): Remove.
4973 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
4975         PR rtl-optimization/39241
4976         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4977         to subreg_offset_representable_p.
4979 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4981         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4982         execute function prototype.  Get f and nregs from max_reg_num
4983         and get_insns.  Remove the first backward pass as it's dead,
4984         guard the forward pass by flag_expensive_optimizations.
4985         (rest_of_handle_regmove): Delete.
4986         (pass_regmove): Replace it with regmove_optimize.
4988 2009-02-25  Martin Jambor  <mjambor@suse.cz>
4990         PR tree-optimization/39259
4991         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4992         calls_alloca function flags.
4993         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4994         calls are detected.
4996 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4998         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4999         flags_set_1_rtx, flags_set_1_set): Delete.
5000         (regmove_optimize): Do not call mark_flags_life_zones.
5002 2009-02-24  Julian Brown  <julian@codesourcery.com>
5004         PR target/35965
5005         * config/arm/arm.c (require_pic_register): Only set
5006         cfun->machine->pic_reg once per function.
5008 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
5010         * doc/invoke.texi (Link Options): Document an easier way to pass
5011         options that take arguments to the GNU linker using -Xlinker and -Wl.
5013 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
5015         PR target/33785
5016         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
5018 2009-02-24  Richard Guenther  <rguenther@suse.de>
5020         PR debug/39285
5021         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
5023 2009-02-24  Richard Guenther  <rguenther@suse.de>
5024             Zdenek Dvorak  <ook@ucw.cz>
5026         PR tree-optimization/39233
5027         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
5028         from converting them to a generic type.
5030 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5032         PR tree-optimization/39260
5033         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
5034         contains a condition with a real type.
5035         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
5037 2009-02-23  Jason Merrill  <jason@redhat.com>
5039         PR c++/38880
5040         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
5041         narrowing_initializer_constant_valid_p.
5042         (narrowing_initializer_constant_valid_p): Don't return 
5043         null_pointer_node for adding a pointer to itself.
5045 2009-02-23  Jan Hubicka  <jh@suse.cz>
5047         PR c/12245
5048         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
5049         resizing.
5051 2009-02-23  Jan Hubicka  <jh@suse.cz>
5053         PR tree-optimization/37709
5054         * tree.c (block_ultimate_origin): Move here from dwarf2out.
5055         * tree.h (block_ultimate_origin): Declare.
5056         * dwarf2out.c (block_ultimate_origin): Move to tree.c
5057         * tree-ssa-live.c (remove_unused_scope_block_p):
5058         Eliminate blocks containig no instructions nor live variables nor
5059         nested blocks.
5060         (dump_scope_block): New function.
5061         (remove_unused_locals): Enable removal of dead blocks by default;
5062         enable dumping at TDF_DETAILS.
5064 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5066         * config/i386/i386.c (classify_argument): Don't allow COImode
5067         and OImode.
5068         (function_arg_advance_32): Don't allow OImode.
5069         (function_arg_32): Likewise.
5070         (function_value_32): Likewise.
5071         (return_in_memory_32): Likewise.
5072         (function_arg_64): Remove OImode comment.
5074 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5076         PR target/39261
5077         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
5078         ix86_expand_vector_set for V4DImode in 64bit mode only.
5079         (ix86_expand_vector_init_one_var): Likewise.
5081 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5083         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
5085 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5087         PR bootstrap/39257
5088         * loop-iv.c: Revert last change.
5089         * emit-rtl.c: Likewise.
5091 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5093         PR target/39256
5094         * config/i386/i386.c (type_natural_mode): Remove an extra
5095         space in the warning message.
5096         (function_value_32): Handle 32-byte vector modes.
5097         (return_in_memory_32): Likewise.
5099 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5101         * loop-iv.c (truncate_value): New function.
5102         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
5103         of lowpart_subreg.
5104         (lowpart_subreg): Move to...
5105         * emit-rtl.c: ...here.
5107 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
5109         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
5110         accidental and undocumented change at revision 140860.
5112 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
5114         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
5115         take gimple_seq * arguments.
5116         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5117         types_compatible_p langhook.
5119 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
5120             Joseph Myers  <joseph@codesourcery.com>
5122         * config/arm/arm.c (arm_builtin_va_list): New function.
5123         (arm_expand_builtin_va_start): Likewise.
5124         (arm_gimplify_va_arg_expr): Likewise.
5125         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5126         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5127         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5128         (va_list_type): New variable.
5129         (arm_mangle_type): Mangle va_list_type appropriately.
5131 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5133         PR middle-end/39157
5134         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5135         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5136         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5137         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5138         parameter to 1000 for -O1 by default.
5139         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5140         parameter.
5141         * loop-invariant.c: Include params.h.
5142         (move_loop_invariants): Don't call move_single_loop_invariants on
5143         very large loops.
5145 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
5147         * calls.c (emit_library_call_value_1): Use slot_offset instead of
5148         offset when calculating bounds for indexing stack_usage_map.  Fixes
5149         a buffer overflow with certain target setups.
5151 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5153         PR target/39240
5154         * calls.c (expand_call): Clear try_tail_call if caller and callee
5155         disagree in promotion of function return value.
5157 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
5159         PR target/39175
5160         * c-common.c (c_determine_visibility): If visibility changed and
5161         DECL_RTL has been already set, call make_decl_rtl to update symbol
5162         flags.
5164 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
5166         PR c++/39188
5167         * varasm.c (assemble_variable): Don't check DECL_NAME when
5168         globalizing a variable.
5170 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
5172         PR c/38483
5173         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5174         expression before any __builtin_trap call.
5175         * c-typeck.c (build_function_call): Convert and check function
5176         arguments before generating a call to a trap.  Evaluate the
5177         function arguments before the trap.
5179 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
5181         PR target/39228
5182         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5183         (UNSPEC_FXAM_MEM): New unspec.
5184         (fxam<mode>2_i387_with_temp): New insn and split pattern.
5185         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
5186         memory using fxam<mode>2_i387_with_temp to remove excess precision.
5188 2009-02-19  Richard Guenther  <rguenther@suse.de>
5190         PR tree-optimization/39207
5191         PR tree-optimization/39074
5192         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5193         storedanything_tree): New.
5194         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
5195         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5196         (build_succ_graph): Add edges from STOREDANYTHING to all
5197         non-direct nodes.
5198         (init_base_vars): Initialize STOREDANYTHING.
5199         (compute_points_to_sets): Free substitution info after
5200         building the succ graph.
5201         (ipa_pta_execute): Likewise.
5203         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5204         field.
5205         (do_ds_constraint): Do not add to special var or non-pointer
5206         field solutions.
5207         (type_could_have_pointers): Split out from ...
5208         (could_have_pointers): ... here.  For arrays use the element type.
5209         (create_variable_info_for): Initialize may_have_pointers.
5210         (new_var_info): Likewise.
5211         (handle_lhs_call): Make the HEAP variable unknown-sized.
5212         (intra_create_variable_infos): Use a type with pointers for
5213         PARM_NOALIAS, make it unknown-sized.
5215 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
5217         PR target/39224
5218         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5220 2009-02-18  Jason Merrill  <jason@redhat.com>
5222         PR target/39179
5223         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5224         value if DECL_EXTERNAL.
5225         * tree-sra.c (sra_walk_gimple_assign): Likewise.
5226         * target.h (gcc_target::binds_local_p): Clarify "module".
5227         * tree.h (TREE_PUBLIC): Clarify "module".
5229 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
5231         PR target/38891
5232         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5233         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5235 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
5237         PR target/39082
5238         * c.opt (Wabi): Support C and ObjC.
5239         (Wpsabi): New.
5241         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5243         * config/i386/i386.c (classify_argument): Warn once about the ABI
5244         change when passing union with long double.
5246         * doc/invoke.texi: Update -Wabi for warning psABI changes.
5248 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
5250         PR c/35447
5251         * c-parser.c (c_parser_compound_statement): Always enter and leave
5252         a scope.
5254 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5256         PR target/34587
5257         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5259 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
5261         PR tree-optimization/36922
5262         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5263         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5264         Likewise.
5266 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5268         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5269         to 0 for EABI64.
5271 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5273         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5275 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5277         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5278         tree sharing.
5280 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
5281             Richard Sandiford  <rdsandiford@googlemail.com>
5283         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5284         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5285         (loongson_biadd): ...this.
5287 2009-02-17  Richard Guenther  <rguenther@suse.de>
5289         PR tree-optimization/39202
5290         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5291         a var make sure to follow existing collapses.
5293 2009-02-17  Richard Guenther  <rguenther@suse.de>
5295         PR middle-end/39214
5296         * langhooks.c (lhd_print_error_function): Check for NULL block.
5298 2009-02-17  Richard Guenther  <rguenther@suse.de>
5300         PR tree-optimization/39204
5301         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5302         of the PHI arg.
5304 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
5306         * config/soft-fp/double.h: Update from glibc CVS.
5308 2009-02-17  Richard Guenther  <rguenther@suse.de>
5310         PR tree-optimization/39207
5311         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5312         strict-aliasing warnings for pointers pointing to NULL.
5314 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
5316         PR c/35446
5317         * c-parser.c (c_parser_braced_init): Call pop_init_level when
5318         skipping until next close brace.
5320 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5322         PR target/37049
5323         * config/i386/i386.c (ix86_expand_push): Set memory alignment
5324         to function argument boundary.
5326 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
5328         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5329         in the lea_add. Reload eventually constraints it properly.
5330         * config/picochip/constraints.md : Remove the target constraint
5331         "b", since it is not needed anymore.
5333 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
5335         * gthr-dce.h: Uglify function parameter and local variable names.
5336         * gthr-gnat.h: Likewise.
5337         * gthr-mipssde.h: Likewise.
5338         * gthr-nks.h: Likewise.
5339         * gthr-posix95.h: Likewise.
5340         * gthr-posix.h: Likewise.
5341         * gthr-rtems.h: Likewise.
5342         * gthr-single.h: Likewise.
5343         * gthr-solaris.h: Likewise.
5344         * gthr-tpf.h: Likewise.
5345         * gthr-vxworks.h: Likewise.
5346         * gthr-win32.h: Likewise.
5348 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
5350         PR target/39196
5351         * config/i386/i386.md: Restrict the new peephole2 to move
5352         between MMX/SSE registers.
5354 2009-02-15  Richard Guenther  <rguenther@suse.de>
5356         Revert
5357         2009-02-13  Richard Guenther  <rguenther@suse.de>
5359         * configure.ac: Enable LFS.
5360         * configure: Re-generate.
5361         * config.in: Likewise.
5363 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5365         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5366         spu_srqwbyte, spu_srqwbytebc): Define.
5367         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5368         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5369         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5370         "shrqby_<mode>"): New insn-and-split patterns.
5371         * config/spu/spu.c (expand_builtin_args): Determine and return
5372         number of operands using spu_builtin_description data.
5373         (spu_expand_builtin_1): Use it.
5375 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
5377         PR target/38056
5378         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5379         TARGET_CONST_GP.
5381 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5383         PR target/39149
5384         * config/i386/i386.c (override_options): Correct warning
5385         messages for -malign-loops, -malign-jumps and -malign-functions.
5387 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5389         PR target/39152
5390         * config/i386/i386.md: Restrict the new peephole2 to move
5391         between the general purpose registers.
5393 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5395         PR target/39162
5396         * config/i386/i386.c (type_natural_mode): Add a new argument.
5397         Return the original mode and warn ABI change if vector size is 32byte.
5398         (function_arg_advance): Updated.
5399         (function_arg): Likewise.
5400         (ix86_function_value): Likewise.
5401         (ix86_return_in_memory): Likewise.
5402         (ix86_sol10_return_in_memory): Likewise.
5403         (ix86_gimplify_va_arg): Likewise.
5404         (function_arg_32): Don't warn ABX ABI change here.
5405         (function_arg_64): Likewise.
5407 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
5409         * loop-iv.c (implies_p): In the final case, test that operands 0
5410         of the two comparisons match.
5412         * config/bfin/bfin.c (find_prev_insn_start): New function.
5413         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5414         (find_next_insn_start): Move.
5416 2009-02-13  Richard Guenther  <rguenther@suse.de>
5418         * configure.ac: Enable LFS.
5419         * configure: Re-generate.
5420         * config.in: Likewise.
5422 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
5424         PR c/35444
5425         * c-parser.c (c_parser_parms_list_declarator): Discard pending
5426         sizes on syntax error after some arguments have been parsed.
5428 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5430         * doc/invoke.texi (-fira): Remove.
5432 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5434         * caller-save.c: Replace regclass.c with reginfo.c in comments.
5435         * recog.c: Likewise.
5436         * rtl.h: Likewise.
5438 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
5440         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5441         (umul_ppmm): Likewise.
5442         (count_leading_zeros): Likewise.
5443         (count_trailing_zeros): Likewise.
5444         (UMUL_TIME): Likewise.
5446 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5448         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5449         soft-fp/t-softfp to tmake_file.
5451         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5452         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5453         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5454         IA64_BUILTIN_INFQ]: New.
5455         (ia64_init_builtins): Initialize __builtin_infq,
5456         __builtin_fabsq and __builtin_copysignq if not HPUX.
5457         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5458         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5460         * config/ia64/lib1funcs.asm (__divtf3): Define only if
5461         SHARED is defined.
5462         (__fixtfti): Likewise.
5463         (__fixunstfti): Likewise.
5464         (__floattitf): Likewise.
5466         * config/ia64/libgcc-glibc.ver: New.
5467         * config/ia64/t-fprules-softfp: Likewise.
5468         * config/ia64/sfp-machine.h: Likewise.
5470         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5471         (LIBGCC2_TF_CEXT): Likewise.
5472         (TF_SIZE): Likewise.
5473         (TARGET_INIT_LIBFUNCS): Likewise.
5475         * config/ia64/t-glibc (SHLINB_MAPFILES):
5476         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5478 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5480         * config/i386/i386.c (construct_container): Rewrite processing
5481         BLKmode with X86_64_SSE_CLASS.
5483 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
5485         PR target/39152
5486         * config/i386/i386.md: Replace simplify_replace_rtx with
5487         replace_rtx in the new peephole2.
5489 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
5491         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5492         loop unrolling do not happen at -O2.
5494 2009-02-12  Michael Matz  <matz@suse.de>
5496         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5498 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5500         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5501         for -g3.
5503 2009-02-12  Ben Elliston  <bje@au.ibm.com>
5505         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5506         patterns when updating the back chain.  Missed in the 2009-02-10
5507         change.
5509 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
5511         * doc/extend.texi (Decimal Floating Types): Update identifier of
5512         draft TR and list of missing support.
5514 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
5516         PR middle-end/39154
5517         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5518         bit to variable length decl's flags, add it also to its
5519         pointer replacement variable.
5521 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
5522             Jakub Jelinek  <jakub@redhat.com>
5524         PR target/39118
5525         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5526         (memory_blockage): New expander.
5527         (*memory_blockage): New insn pattern.
5528         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5529         instead of general blockage at the end of function prologue when
5530         frame pointer is used to access red zone area.  Do not emit blockage
5531         when profiling, it is emitted in generic code.
5532         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5533         function epilogue when frame pointer is used to access red zone area.
5535 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
5537         PR target/38824
5538         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5539         by arithmetic with memory operands.
5540         * config/i386/predicates.md (commutative_operator): New.
5542 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
5544         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5545         bulleted lists.
5547 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5549         * alias.h (record_alias_subset): Declare.
5550         * alias.c (record_alias_subset): Make global.
5552 2009-02-10  Nick Clifton  <nickc@redhat.com>
5554         * tree-parloops.c: Change license to GPLv3.
5555         * ipa-struct-reorg.c: Change license to GPLv3.
5556         * ipa-struct-reorg.h: Change license to GPLv3.
5558 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
5560         PR c/39084
5561         * c-decl.c (start_struct): Return NULL on error.
5563 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
5565         PR middle-end/39124
5566         * cfgloopmanip.c (remove_path): Call remove_bbs after
5567         cancel_loop_tree, not before it.
5569         PR target/39139
5570         * function.h (struct function): Add has_local_explicit_reg_vars bit.
5571         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5572         VAR_DECLs were seen.
5573         * tree-ssa-live.c (remove_unused_locals): Recompute
5574         cfun->has_local_explicit_reg_vars.
5575         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5576         copies or clearings if cfun->has_local_explicit_reg_vars.
5578 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
5580         PR target/39118
5581         * config/i386/i386.c (expand_prologue): Emit blockage at the end
5582         of function prologue when frame pointer is used to access
5583         red zone area.
5585 2009-02-10  Richard Guenther  <rguenther@suse.de>
5587         PR middle-end/39127
5588         * gimplify.c (gimple_regimplify_operands): Always look if
5589         we need to create a temporary.
5591 2009-02-10  Richard Guenther  <rguenther@suse.de>
5593         PR tree-optimization/39132
5594         * tree-loop-distribution.c (todo): New global var.
5595         (generate_memset_zero): Trigger TODO_rebuild_alias.
5596         (tree_loop_distribution): Return todo.
5598 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
5600         PR target/39119
5601         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5602         (x86_64_reg_class_name): Removed.
5603         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
5604         first one isn't X86_64_SSE_CLASS or any other ones aren't
5605         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
5606         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5607         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
5608         and 3 X86_64_SSEUP_CLASS.
5609         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
5610         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5612 2009-02-10  Ben Elliston  <bje@au.ibm.com>
5614         * config/rs6000/rs6000.md (allocate_stack): Always use an update
5615         form instruction to update the stack back chain word, even if the
5616         user has disabled the generation of update instructions.
5617         (movdi_<mode>_update_stack): New.
5618         (movsi_update_stack): Likewise.
5619         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5620         always use an update form instruction to update the stack back
5621         chain word.
5623 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
5625         PR middle-end/38953
5626         * graphite.c (if_region_set_false_region): After moving a region in
5627         the false branch of a condition, remove the empty dummy basic block.
5628         (gloog): Remove wrong fix for PR38953.
5630 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5632         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5633         generation due to implicit sign extension.
5635 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
5637         PR middle-end/38981
5638         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5639         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5641 2009-02-09  Richard Guenther  <rguenther@suse.de>
5643         PR middle-end/35202
5644         * convert.c (convert_to_real): Disable (float)fn((double)x)
5645         to fnf(x) conversion if errno differences may occur and
5646         -fmath-errno is set.
5648 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
5650         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5651         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5652         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5654 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5656         PR c/35434
5657         * c-common.c (handle_alias_attribute): Disallow attribute for
5658         anything not a FUNCTION_DECL or VAR_DECL.
5660 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
5662         PR c/39035
5663         * real.c (do_compare): Special-case compare of zero against
5664         decimal float value.
5666 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5668         PR c/36432
5669         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5670         as indicating flexible array members unless the field itself is
5671         being declarared as the incomplete array.
5673 2009-02-06  Jan Hubicka  <jh@suse.cz>
5675         PR tree-optimization/38844
5676         * ipa-inline.c (try_inline): Stop inlining recursion when edge
5677         is already inlined.
5679 2009-02-06  Richard Guenther  <rguenther@suse.de>
5681         PR middle-end/38977
5682         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5683         fork because we may expand it as __gcov_fork.
5685 2009-02-06  Nick Clifton  <nickc@redhat.com>
5687         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5689 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
5691         PR tree-optimization/35659
5692         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5693         vn_phi_eq): Shortcut if hashcode does not match.
5694         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5695         NULL operands.
5696         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5697         and avoid iterative_hash_expr.
5698         (FOR_EACH_VALUE_ID_IN_SET): New.
5699         (value_id_compare): Remove.
5700         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5701         sort expressions by value id.
5703 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
5705         PR target/38991
5706         * config/sh/predicates.md (general_movsrc_operand): Don't check
5707         the subreg of system registers here.
5709 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
5711         PR c++/39106
5712         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5713         on the copied decl.
5715 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
5717         PR rtl-optimization/39110
5718         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5719         addresses, not aligned ones.
5721 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
5722             Richard Guenther  <rguenther@suse.de>
5724         PR tree-optimization/39100
5725         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5726         comment says and add edges.
5728 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
5730         PR c/35435
5731         * c-common.c (handle_tls_model_attribute): Ignore attribute for
5732         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5734 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
5736         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5737         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5738         register_bb_in_sese, new_sese, free_sese): Moved.
5739         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5740         outermost_loop_in_scop, build_scop_iteration_domain,
5741         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5742         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5743         Use loop_in_sese_p instead of loop_in_scop_p.
5744         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5745         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5746         (scopdet_basic_block_info): Fix bug in scop detection.
5747         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5748         eq_loop_to_cloog_loop): Remove.
5749         (nb_loops_around_loop_in_scop, nb_loop
5750         ref_nb_loops): Moved here...
5751         * graphite.h (ref_nb_loops): ... from here.
5752         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5753         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5754         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5755         * testsuite/gcc.dg/graphite/scop-19.c: New
5757 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
5758             Hans-Peter Nilsson  <hp@axis.com>
5760         PR rtl-optimization/37889
5761         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5762         Move offset handling from PLUS to before the switch.  Use new
5763         arguments when considering SYMBOL_REFs too.
5764         (rtx_addr_can_trap_p): Pass dummy offset and size.
5765         (enum may_trap_p_flags): Remove.
5766         (may_trap_p_1): Pass size from MEM_SIZE.
5768         PR rtl-optimization/38921
5769         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5770         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5771         * rtlanal.c (may_trap_after_code_motion_p): Delete.
5772         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5774 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
5776         AVX Programming Reference (January, 2009)
5777         * config/i386/sse.md (*vpclmulqdq): New.
5779 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
5781         PR tree-optimization/38977
5782         PR gcov-profile/38292
5783         * calls.c (special_function_p): Disregard __builtin_ prefix.
5785 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
5787         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5788         non-indexable addresses even before reload.
5790 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5792         PR c/29129
5793         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5794         as having variable size.  Do not give an error for unnamed
5795         parameters with [*] declarators.  Give a warning for type names
5796         with [*] declarators and mark them as variable size.
5797         * c-parser.c (c_parser_sizeof_expression): Do not give an error
5798         for sizeof applied to [*] type names.
5800 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5802         PR C++/36607
5803         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5805 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5807         * gcc.c (process_command): Update copyright notice dates.
5808         * gcov.c (print_version): Likewise.
5809         * gcov-dump.c (print_version): Likewise.
5810         * mips-tfile.c (main): Likewise.
5811         * mips-tdump.c (main): Likewise.
5813 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5815         PR c/35433
5816         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5817         for composite type involving a zero-length array type.
5819 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5821         PR target/35318
5822         * function.c (match_asm_constraints_1): Skip over
5823         initial optional % in the constraint.
5825         PR inline-asm/39059
5826         * c-parser.c (c_parser_postfix_expression): If fixed point is not
5827         supported, don't accept FIXED_CSTs.
5828         * c-decl.c (finish_declspecs): Error if fixed point is not supported
5829         and _Sat is used without _Fract/_Accum.  Set specs->type to
5830         integer_type_node for cts_fract/cts_accum if fixed point is not
5831         supported.
5833 2009-02-02  Catherine Moore  <clm@codesourcery.com>
5835         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5837 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
5839         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5840         (ABI_HAS_64BIT_SYMBOLS): Use it.
5841         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5843 2009-02-02  Paul Brook  <paul@codesourcery.com>
5845         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5847 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
5849         PR inline-asm/39058
5850         * recog.h (asm_operand_ok): Add constraints argument.
5851         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
5852         recurse on matching constraint.
5853         (check_asm_operands): Pass constraints as 3rd argument to
5854         asm_operand_ok.  Don't look up matching constraint here.
5855         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5856         to asm_operand_ok.
5858 2009-02-02  Ben Elliston  <bje@au.ibm.com>
5860         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5861         TARGET_NARROW_VOLATILE_BITFIELD macro names.
5863 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5865         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5866         information.  Remove some obsolete information.  Reorganize.
5868         * config/pa/fptr.c: Revert license to GPL 2.
5869         * config/pa/milli64.S: Likewise.
5871 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5873         PR target/38904
5874         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
5875         LIBRARY name in, instead of hard-coding it.
5876         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
5877         extra target make frag to tmake_files according to EH model.
5878         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
5879         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
5880         frags that define makefile variable EH_MODEL appropriately.
5881         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
5882         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
5883         to "-sjlj" according to type of EH configured.
5884         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5885         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
5886         to "_sjlj" according to type of EH configured.
5887         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5888         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
5889         (SHLIB_LINK):  Add missing semicolon to if-else construct.
5890         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5891         string value of "pe_dll" command-line option.
5892         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
5893         (SHLIB_SONAME):  Use it when overriding t-cygming default.
5894         (SHLIB_IMPLIB):  Override t-cygming default.
5895         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5896         string value of "pe_dll" command-line option.
5898 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5900         PR target/38952
5901         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5902         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5904 2009-01-31  Richard Guenther  <rguenther@suse.de>
5906         PR tree-optimization/38937
5907         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5908         computing the transitive closure.
5910 2009-01-30  Richard Guenther  <rguenther@suse.de>
5912         PR tree-optimization/39041
5913         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5914         Propagate variable indices only if the types match for this stmt.
5916 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
5918         PR target/39013
5919         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5920         inline but never defined.
5922 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
5924         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5925         (*insv_h_di_reg_extimm): New insn.
5926         (*insv_l<mode>_reg_extimm): New insn.
5928 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5930         * config/picochip/picochip.c (flag_conserve_stack): set
5931         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5932         fconserve-stack. Reduce call-overhead used by inliner.
5934 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5936         PR/38157
5937         * common.opt (flag_conserve_stack): Initialised to zero.
5939 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
5941         PR/39002
5942         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5943         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5944         method.
5946 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
5948         * ira-color.c (allocno_reload_assign): Update comments.
5949         * regmove.c (regmove_optimize): Likewise.
5951         * ra.h: Removed.
5953 2009-01-29  Robert Millan  <rmh@aybabtu.com>
5955         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5956         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
5957         `MD_UNWIND_SUPPORT'.
5958         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5960 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
5962         PR tree-optimization/39007
5963         * tree-loop-distribution.c (generate_builtin): Use
5964         recompute_dominator to compute the immediate dominator of the
5965         basic block just after the loop.
5967 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5969         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5970         (ASM_OUTPUT_DWARF_PCREL): Define.
5972 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
5974         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5975         * doc/passes.texi: Remove entries about regclass, local-alloc, and
5976         global.  Modify entries about regmove and IRA.
5978         * ra-conflict.c: Remove the file.
5980         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5982         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5983         (pass_regclass_init): Rename to pass_reginfo_init.
5985         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5987         * toplev.h (flag_ira): Remove.
5989         * caller-save.c (setup_save_areas): Remove flag_ira.
5991         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5993         * global.c: Remove the file.
5995         * opts.c (decode_options): Remove flag_ira.
5997         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5999         * regmove.c: Modify file description.
6000         (find_use_as_address, try_auto_increment): Define them only if
6001         AUTO_INC_DEC is defined.
6002         (replacement_quality, replace_in_call_usage, fixup_match_1,
6003         stable_and_no_regs_but_for_p): Remove.
6004         (reg_set_in_bb): Make it static.
6005         (regmove_optimize): Remove flag_ira and code which worked for
6006         !flag_ira.
6008         * local-alloc.c: Remove the file.
6010         * common.opt (fira): Remove.
6012         * ira.c: Include except.h.
6013         (eliminable_regset): Move from global.c.
6014         (mark_elimination): Ditto.  Remove flag_ira.
6015         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
6016         equiv_mem_modified, validate_equiv_mem_from_store,
6017         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
6018         contains_replace_regs, memref_referenced_p, memref_used_between_p,
6019         no_equiv, recorded_label_ref): Move from local-alloc.c.
6020         (update_equiv_regs): Ditto.  Make it static.
6021         (print_insn_chain, print_insn_chains): Move it from global.c.
6022         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
6023         (build_insn_chain): Ditto.  Make it static.
6024         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
6025         Rename to init_live_subregs.
6026         (gate_ira): Remove flag_ira.
6028         * regclass.c: Rename reginfo.c.  Change file description.
6029         (FORBIDDEN_INC_DEC_CLASSES): Remove.
6030         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
6031         (init_reg_sets_1): Remove code for evaluation of
6032         reg_class_superclasses and losing_caller_save_reg_set.
6033         (init_regs): Remove init_reg_autoinc.
6034         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
6035         ok_for_base_p_nonstrict): Remove.
6036         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
6037         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
6038         corresponding entries.
6039         (dump_regclass, record_operand_costs, scan_one_insn,
6040         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
6041         record_address_regs, auto_inc_dec_reg_p): Remove.
6042         (gt-regclass.h): Rename to gt-reginfo.h.
6044         * rtl.h (dump_global_regs, retry_global_alloc,
6045         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
6047         * Makefile.in (RA_H): Remove.
6048         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
6049         Rename regclass.o to reginfo.o.
6050         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
6051         gt-reginfo.h.
6052         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
6053         (GTFILES): Rename regclass.c to reginfo.c.
6055         * passes.c (init_optimization_passes): Remove pass_local_alloc and
6056         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
6058         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6059         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
6060         Remove flag_ira.
6061         (finish_spills): Ditto.  Remove code for !flag_ira.
6062         
6063 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
6065         PR middle-end/35854
6066         * doc/invoke.texi (rtl debug options): Complete rewrite.
6067         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
6068         to auto_inc_dec".
6069         * mode-switching.c (pass_mode_switching): Rename pass from
6070         "mode-sw" to "mode_sw".
6071         * except.c (pass_convert_to_eh_ranges): Rename pass from
6072         "eh-ranges" to "eh_ranges".
6073         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
6074         to "subreg1".
6075                 
6076         
6077 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
6078             Alexander Monakov  <amonakov@ispras.ru>
6080         PR middle-end/38857
6081         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
6082         register.
6083         (move_exprs_to_boundary): Change return type and pass through
6084         should_move from move_op.  Relax assert.  Update usage ...
6085         (schedule_expr_on_boundary): ... here.  Use should_move instead of
6086         cant_move.
6087         (move_op_orig_expr_found): Indicate that insn was disconnected from
6088         stream.
6089         (code_motion_process_successors): Do not call after_merge_succs
6090         callback if original expression was not found when traversing any of
6091         the branches.
6092         (code_motion_path_driver): Change return type.  Update prototype.
6093         (move_op): Update comment.  Add a new parameter (should_move).  Update
6094         prototype.  Set *should_move based on indication provided by
6095         move_op_orig_expr_found.
6097 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
6099         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
6100         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
6101         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
6102         * config/rs6000/rs6000.c (rs6000_override_options): Default
6103         avoid-indexed-addresses on for Power6, off for everything else.
6104         (avoiding_indexed_address_p): New function.
6105         (rs6000_legitimize_address): Use it.
6106         (rs6000_legitimate_address): Likewise.
6107         * config/rs6000/rs6000.md (movXX_updateX): Likewise
6109 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
6111         PR tree-optimization/38997
6112         * tree-loop-distribution.c (generate_memset_zero): Use
6113         POINTER_PLUS_EXPR for a pointer addition.
6115 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
6117         * config/s390/s390.md (bswap<mode>2): New pattern added.
6119 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6121         * config/s390/s390.md (*tls_load_31): Added type attribute.
6123 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6125         * config/s390/s390.md: Fix a few comments.
6127 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6129         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6130         (*tm<mode>_full): Fixed z10prop attribute.
6131         (*tst<mode>_extimm): Fixed z10prop attribute.
6132         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6133         (*tstqiCCT_cconly): Fixed z10prop attribute.
6134         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6135         (*movsi_larl): Fixed z10prop attribute.
6136         (*movsi_zarch): Fixed z10prop attribute.
6137         (*movsi_eas): Fixed z10prop attribute.
6138         (*movhi): Fixed z10prop attribute.
6139         (*movqi): Fixed z10prop attribute.
6140         (*movstrictqi): Fixed z10prop attribute.
6141         (*mov<mode>): Fixed z10prop attribute.
6142         (*movcc): Fixed z10prop attribute.
6143         (*sethighpartdi_64): Fixed z10prop attribute.
6144         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6145         (*negdi2_sign_cc): Fixed z10prop attribute.
6146         (*negdi2_sign): Fixed z10prop attribute.
6147         (*absdi2_sign_cc): Fixed z10prop attribute.
6148         (*absdi2_sign): Fixed z10prop attribute.
6149         (*negabsdi2_sign_cc): Fixed z10prop attribute.
6150         (*negabsdi2_sign): Fixed z10prop attribute.
6151         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6152         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6153         (doloop_si64): Fixed z10prop attribute.
6154         (doloop_si31): Fixed z10prop attribute.
6155         (doloop_long): Fixed z10prop attribute.
6156         (indirect_jump): Fixed z10prop attribute.
6157         (nop): Fixed z10prop attribute.
6158         (main_base_64): Fixed z10prop attribute.
6159         (reload_base_64): Fixed z10prop attribute.
6161 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6163         PR rtl-optimization/38740
6164         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6165         if !optimize.
6166         * config/mips/mips.c (mips_reorg): Likewise.
6168 2009-01-28  Richard Guenther  <rguenther@suse.de>
6170         PR tree-optimization/38926
6171         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6172         with the correct value id to a value.
6173         (do_regular_insertion): Use the value number of edoubleprime
6174         for the value number of the expr.
6176         Revert
6177         2008-08-21  Richard Guenther  <rguenther@suse.de>
6179         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6180         a PHI ask VN if it is already available.
6181         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6182         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6184 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6186         PR middle-end/38934
6187         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6188         set to varying whenever max has TREE_OVERFLOW set, similarly
6189         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6191 2009-01-28  Richard Guenther  <rguenther@suse.de>
6193         PR middle-end/38908
6194         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6195         uninitialized aggregate uses in call arguments.
6197 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
6199         PR tree-optimization/38984
6200         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6201         the nothing_id variable if -fno-delete-null-pointer-checks.
6203 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
6205         PR target/38988
6206         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6207         (set_got_offset_rex64): Ditto.
6209 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
6211         PR target/38941
6212         * doc/extend.texi: Improve local variable with asm reg.
6214 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
6216         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6217         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6218         was not supplied then set warn_packed_bitfield_compat to the
6219         default value of 1.
6220         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6221         against 1.
6223 2009-01-27  Richard Guenther  <rguenther@suse.de>
6225         PR tree-optimization/38503
6226         * cfgexpand.c (expand_gimple_basic_block): Ignore
6227         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6228         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6229         variables that cannot have TBAA applied.
6230         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6231         statements.
6233 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
6235         PR middle-end/38969
6236         * calls.c (initialize_argument_information): Do not wrap complex
6237         arguments in SAVE_EXPR.
6239 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
6241         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6242         (INSTALL_LIBGCC): Revert typo commit.
6244 2009-01-26  Richard Guenther  <rguenther@suse.de>
6246         PR tree-optimization/38745
6247         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6248         from special handling.
6250 2009-01-26  Richard Guenther  <rguenther@suse.de>
6252         PR tree-optimization/38745
6253         * tree-ssa.c (execute_update_addresses_taken): Do not include
6254         variables that cannot possibly be a register in not_reg_needs.
6255         Do not clear TREE_ADDRESSABLE on vars that may not become
6256         registers.
6257         * tree-ssa.c (update_alias_info_1): Include those in the set
6258         of addressable vars.
6260 2009-01-26  Richard Guenther  <rguenther@suse.de>
6262         PR middle-end/38851
6263         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6264         * tree-ssa-dse.c: Include langhooks.h
6265         (execute_simple_dse): Remove stores with zero size.
6267 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
6269         PR c/38957
6270         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6271         as PLUS_EXPR.
6273 2009-01-24  Julian Brown  <julian@codesourcery.com>
6275         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6276         config/arm/linux-atomic.c.
6277         * config/arm/linux-atomic.c: New.
6279 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
6281         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6282         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6283         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6285 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
6287         PR c/38938
6288         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6289         properly.
6291 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6293         PR tree-optimization/38953
6294         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6295         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6296         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6297         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6298         changed the CFG.
6300 2009-01-24  Paul Brook  <paul@codesourcery.com>
6302         * config/arm/neon.md (neon_type): Move to arm.md.
6303         (neon_mov<VSTRUCT>): Add neon_type attribute.
6304         * config/arm/arm.md (neon_type): Move to here.
6305         (conds): Add "unconditioal" and use as default for NEON insns.
6307 2009-01-24  Ben Elliston  <bje@au.ibm.com>
6309         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6310         void *' warning from -Wc++-compat.
6311         * Makefile.in (dominance.o-warn): Remove.
6313 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
6315         PR tree-optimization/38932
6316         * fold-const.c (fold_unary_ignore_overflow): New.
6317         * tree.h (fold_unary_ignore_overflow): Declare.
6318         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6319         * tree-ssa-sccvn.c (visit_reference_op_load,
6320         simplify_unary_expression): Likewise.
6322 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
6324         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6325         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
6326         regardless of their type.
6327         * c-common.c (handle_packed_attribute): Don't ignore packed on
6328         bitfields.
6329         * c.opt (Wpacked-bitfield-compat): New warning option.
6330         * stor-layout.c (place_field): Warn if offset of a field changed.
6331         * doc/extend.texi (packed): Mention the ABI change.
6332         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6333         (Warning Options): Add it to the list.
6335 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
6337         * c-opts.c (c_common_post_options): Fix a typo in comments.
6339 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
6341         PR middle-end/38615
6342         * gimplify.c (gimplify_init_constructor): Fix promotion of const
6343         variables to static.
6344         * doc/invoke.texi (-fmerge-all-constants): Update description.
6346 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
6348         PR target/38931
6349         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6350         (*movdi_1_rex64): Use type "mmx" for alternative 5.
6352 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
6354         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6355         a word boundary.
6356         (LOCAL_ALIGNMENT): Similarly.
6358 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6359             Joseph Myers  <joseph@codesourcery.com>
6361         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6362         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6363         * config/arm/arm-tune.md: Regenerate.
6364         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6365         -march=iwmmxt2.
6367 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6369         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6370         version number to five.
6372 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
6374         PR c++/38930
6375         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6376         * c-common.c (set_underlying_type): Likewise.
6377         (is_typedef_decl ): Likewise
6378         * tree.h: Likewise
6379         (set_underlying_type): Likewise.
6380         (is_typedef_type): Likewise.
6382 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
6384         PR middle-end/38587
6385         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6386         crossing setjmps.
6388 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
6390         PR bootstrap/37660
6391         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
6392         (LIBGCC_SPEC):  Don't define.
6393         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
6395 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
6397         PR rtl-optimization/38879
6398         * alias.c (base_alias_check): Unaligned access via AND address can
6399         alias all surrounding object types except those with sizes equal
6400         or wider than the size of unaligned access.
6402 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
6404         PR c++/26693
6405         * c-decl.c (clone_underlying_type): Move this ...
6406         * c-common.c (set_underlying_type): ... here.
6407         Also, make sure the function properly sets TYPE_STUB_DECL() on
6408         the newly created typedef variant type.
6409         (is_typedef_decl ): New entry point.
6410         * tree.h: Added a new member member_types_needing_access_check to
6411         struct tree_decl_non_common.
6412         (set_underlying_type): New entry point.
6413         (is_typedef_type): Likewise.
6415 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
6417         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6418         Check whether two instructions have memory references that
6419         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
6420         are helper functions for traversing.
6421         * alias.h (insn_alias_sets_confilict_p): New prototypes.
6422         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6423         not to draw dependency edge for instructions with non-conflicting
6424         alias sets.
6426 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
6428         PR other/38758
6429         * longlong.h: Update copyright years.  Use soft-fp license notice.
6430         Sync __clz_tab declaration with glibc.
6432 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
6434         PR target/30687
6435         * doc/extend.texi (syscall_linkage): New.
6436         (version_id): Modify.
6438 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6439             Richard Guenther  <rguenther@suse.de>
6441         PR tree-optimization/38747
6442         PR tree-optimization/38748
6443         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6444         conversion if the base address is an indirect reference and the
6445         aliasing sets could cause issues.
6447 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6449         * common.opt (fgraphite, fgraphite-identity): Add comment for 
6450         explaining why these options are not documented.
6452 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6454         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6455         gimple_call_lhs is NULL.
6457 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
6459         PR target/38868
6460         * emit-rtl.c (adjust_address_1): Make sure memref is never
6461         overwritten.
6463 2009-01-20  Ben Elliston  <bje@au.ibm.com>
6465         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6466         const qualifier from arg parameter. Remove unnecessary cast to char *.
6467         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6468         const qualifier from arg 2.
6470 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
6472         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6474 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
6476         PR c/38869
6477         * rtl.h (reinit_regs): New prototype.
6478         * regclass.c: Include ira.h.
6479         (reinit_regs): New.
6480         * Makefile.in (regclass.o): Add ira.h.
6481         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6483 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
6485         PR target/38736
6486         * c-common.c (handle_aligned_attribute): Use
6487         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6488         default alignment value.
6490         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6492         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6493         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6495         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
6496         __BIGGEST_ALIGNMENT__.
6498         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6500 2009-01-18  Richard Guenther  <rguenther@suse.de>
6502         PR tree-optimization/38819
6503         * tree-flow.h (operation_could_trap_helper_p): Declare.
6504         * tree-eh.c (operation_could_trap_helper_p): Export.
6505         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6506         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6507         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6508         are about to insert a possibly trapping instruction and fail
6509         in this case.
6511 2009-01-18  Andreas Schwab  <schwab@suse.de>
6513         * doc/install.texi (Configuration): Remove obsolete paragraph
6514         about use of --with-gnu-ld with --with-gnu-as.
6516 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
6518         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6519         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6520         Follow spelling conventions.
6522 2009-01-18  Ben Elliston  <bje@au.ibm.com>
6524         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6525         C++ warning about implicit conversion from void * to struct
6526         bitmap_head_def *.
6527         (bitmap_obstack_free): Likewise for bitmap_element *.
6528         * Makefile.in (bitmap.o-warn): Remove.
6530 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
6532         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
6534 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
6535             Tobias Grosser  <tobi.grosser@amd.com>
6537         * graphite.c (graphite_trans_scop_block): Do not block single
6538         nested loops.
6540 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
6542         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6543         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6544         test with assertion.
6546 2009-01-16  Richard Guenther  <rguenther@suse.de>
6548         PR tree-optimization/38835
6549         PR middle-end/36227
6550         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6551         and INT + PTR -> (INT)(PTR p+ INT) folding.
6552         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6554 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
6556         PR target/38554
6557         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6558         the subreg from a lowpart subreg if it is also casting the value.
6560 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6561             Tobias Grosser  <tobi.grosser@amd.com>
6563         * graphite.c (compare_prefix_loops): New.
6564         (build_scop_canonical_schedules): Rewritten.
6565         (graphite_transform_loops): Move build_scop_canonical_schedules
6566         after build_scop_iteration_domain.
6568 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6569             Tobias Grosser  <tobi.grosser@amd.com>
6571         * graphite.c (add_conditions_to_domain): Add the loops to 
6572         the dimension of the iteration domain.  Do copy the domain
6573         only when it exists.
6574         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6575         (add_conditions_to_constraints): New.
6576         (can_generate_code_stmt, can_generate_code): Removed.
6577         (gloog): Do not call can_generate_code.
6578         (graphite_transform_loops): Call add_conditions_to_constraints
6579         after building the iteration domain.
6581 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
6583         PR tree-optimization/38789
6584         * tree-ssa-threadedge.c
6585         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6586         __builtin_constant_p.
6588 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
6590         * dce.c (delete_unmarked_insns): Reversed the order that insns are
6591         examined before deleting them.
6592         
6593 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
6595         * function.c (aggregate_value_p): Correctly extract the function
6596         type from CALL_EXPR_FN lookup.
6598 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
6600         * config/picochip/picochip.c (picochip_override_options): Revert
6601         CFI asm flag disable commited previously.
6603 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6604             Tobias Grosser  <tobi.grosser@amd.com>
6605             Jan Sjodin  <jan.sjodin@amd.com>
6607         * graphite.c (scan_tree_for_params): On substractions negate
6608         all the coefficients of the term.
6609         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6610         of more than two operands.
6611         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6612         (get_vdef_before_scop): Handle also the case of default definitions.
6614 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
6616         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6617         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6618         Also use them when walking CALL_INSN_FUNCTION_USAGE.
6620 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
6621             Joey Ye  <joey.ye@intel.com>
6623         PR middle-end/37843
6624         * cfgexpand.c (expand_stack_alignment): Don't update stack
6625         boundary nor check incoming stack boundary here.
6626         (gimple_expand_cfg): Update stack boundary and check incoming
6627         stack boundary here.
6629 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
6631         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6632         
6633 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
6635         PR rtl-optimization/38245
6636         * calls.c (expand_call): Add stack arguments to
6637         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6638         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6639         in regs and partially in memory or BLKmode arguments.
6640         (emit_library_call_value_1): Add stack arguments to
6641         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6642         ACCUMULATE_OUTGOING_ARGS).
6643         * dce.c: Include tm_p.h.
6644         (find_call_stack_args): New function.
6645         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
6646         argument.
6647         (mark_insn): Call find_call_stack_args for CALL_Ps.
6648         (prescan_insns_for_dce): Walk insns backwards in bb rather than
6649         forwards.  Allocate and free arg_stores bitmap if needed, pass it
6650         down to deletable_insn_p, don't mark stores set in arg_stores
6651         bitmap, clear the bitmap at the beginning of each bb.
6652         * Makefile.in (dce.o): Depend on $(TM_P_H).
6654 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
6656         PR target/22599
6657         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6658         to make sure the insn is a conditional test (bug 22599).  Reformat a
6659         few long lines.
6661 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6663         PR middle-end/38431
6664         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6665         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6666         (gloog): Do not call cleanup_tree_cfg.
6667         (graphite_transform_loops): Call cleanup_tree_cfg after all 
6668         scops have been code generated.
6670 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
6671         * doc/gty.texi (Invoking the garbage collector): Added new node
6672         and section documenting ggc_collect.
6674 2009-01-14  Richard Guenther  <rguenther@suse.de>
6676         PR tree-optimization/38826
6677         PR middle-end/38477
6678         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6679         initialization notes only if we actually emitted a warning.
6680         (intra_create_variable_infos): Add constraints for a result decl
6681         that is passed by hidden reference.
6682         (build_pred_graph): Mark all related variables non-direct on
6683         address-taking.
6685 2009-01-14  Nick Clifton  <nickc@redhat.com>
6687         * ira-conflicts.c: Include addresses.h for the definition of
6688         base_reg_class.
6689         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6690         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6692 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
6694         PR target/38811
6695         * Makefile.in (ira-lives.o): Add except.h.
6697         * ira-lives.c: Include except.h.
6698         (process_bb_node_lives): Process can_throw_internal.
6700 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
6702         PR rtl-optimization/38774
6703         * combine.c (simplify_set): When undoing cc_use change, don't do
6704         PUT_CODE on the newly created comparison, but instead put back the
6705         old comparison.
6707 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
6709         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6710         values.  Remove duplicate arm8 entry.
6712 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6714         PR tree-optimization/38786
6715         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6716         the SSA_NAME case of expand_scalar_variables_expr.
6717         Set the type of an expression to the type of its assign statement.
6718         (expand_scalar_variables_expr): Also gather the scalar computation
6719         used to index the memory access.  Do not pass loop_p.
6720         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6721         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6722         the gimple_stmt_iterator where it inserts new code.
6723         Do not pass loop_p.
6724         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6725         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6727 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6729         * graphite.h (debug_value): Removed.
6730         * graphite.c (debug_value): Removed.
6732 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6734         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6735         ldrd/strd with two 32-bit instructions.
6737 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6739         * config/arm/arm.c (struct processors): Pass for speed down into
6740         cost helper functions.
6741         (const_ok_for_op): Handle COMPARE and inequality nodes.
6742         (arm_rtx_costs_1): Rewrite.
6743         (arm_size_rtx_costs): Update prototype.
6744         (arm_rtx_costs): Pass speed down to helper functions.
6745         (arm_slowmul_rtx_costs): Rework cost calculations.
6746         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6747         (arm_9e_rtx_costs): Likewise.
6749 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
6751         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6752         relocations of local symbols wider than UNITS_PER_WORD are not valid.
6753         (alpha_legitimize_address): Do not split local symbols wider than
6754         UNITS_PER_WORD into HIGH/LO_SUM parts.
6756 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
6758         PR bootstrap/38580
6759         * gcc.c (process_command): Replace call to execvp with calls
6760         to pex_one and exit.
6762 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
6764         PR target/29141
6765         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6766         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6767         variant for devices with 3-byte PC.
6768         (__tablejump_elpm__): New.
6770 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6772         PR c/32041
6773         * c-parser.c (c_parser_postfix_expression): Allow `->' in
6774         offsetof member-designator, handle it as `[0].'.
6776 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6778         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6779         function when not using named sections on targets with named sections
6780         if branch distance is less than 262132.
6782 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
6784         * combine.c (combine_instructions):  Recompute
6785         optimize_this_for_speed_p  for each BB in the main combine loop.
6787 2009-01-12  Tomas Bily  <tbily@suse.cz>
6789         PR middlend/38385
6790         * tree-loop-distribution.c (prop_phis): New function.
6791         (generate_builtin): Call prop_phis.
6792         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6794 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6796         PR tree-optimization/38807
6797         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6798         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6800 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
6802         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6803         subreg of op0 to the original op0.
6805 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
6807         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6808         
6809 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
6811         PR debug/7055
6812         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6813         starting with digits.
6815 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
6817         PR target/38695
6818         * config/arm/arm.c (arm_is_long_call_p): Don't call
6819         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6821 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
6823         * regrename.c (regrename_optimize): Fix dumping.
6824         (find_oldest_value_reg): Preserve REG_POINTER.
6825         (copy_hardreg_forward_1): Likewise.
6827 2009-01-09  Diego Novillo  <dnovillo@google.com>
6829         * gimple.h (struct gimple_statement_base) <uid>: Document
6830         the restrictions on its use.
6831         (gimple_uid): Tidy.
6832         (gimple_set_uid): Tidy.
6834 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6836         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6837         zero guard even if align_bytes != 0 and count is smaller than
6838         size_needed.
6840 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
6842         PR rtl-optimization/38495
6843         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6844         (add_range_and_copies_from_move_list): Print all added ranges.
6845         Add ranges to memory optimized destination.
6847 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6849         PR target/38686
6850         PR target/38708
6851         * config/i386/i386.c (override_options): Reject
6852         -mstringop-strategy=rep_8byte with -m32.
6853         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6854         to 1.  Do count comparison against epilogue_size_needed at compile
6855         time even when count_exp was constant forced into register.  For
6856         size_needed don't jump to epilogue, instead just avoid aligning
6857         and invoke the body algorithm.  If need_zero_guard, add zero guard
6858         even if count is non-zero, but smaller than size_needed + number of
6859         bytes that could be stored for alignment.
6860         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6861         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
6862         but smaller than size_needed + number of bytes that could be stored
6863         for alignment.  Compare size_needed with epilogue_size_needed instead
6864         of desired_align - align, don't adjust size_needed, pass
6865         epilogue_size_needed to the epilogue expanders.
6867         PR c/35742
6868         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6870 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6872         * pa.c (last_address): Change to unsigned.
6873         (update_total_code_bytes): Change argument to unsigned.  Don't
6874         check if insn addresses are set.
6875         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6876         addresses are not set.
6877         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6879 2009-01-09  Nick Clifton  <nickc@redhat.com>
6881         * config/sh/symbian.c: Replace uses of DECL_INLINE with
6882         DECL_DECLARED_INLINE_P.
6884 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6886         PR middle-end/38347
6887         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6888         GET_MODE (op0) in operand_subword_force calls.
6890         PR middle-end/38771
6891         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6892         fold_convert arg0 operands to TREE_TYPE (op0) first.
6894 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
6896         * params.def (ira-max-conflict-table-size): Decrease default value
6897         to 1000.
6899 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
6901         PR tree-optimization/37031
6902         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6903         on parameter_set.
6904         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6905         allocate it using gc instead of heap, use VEC_quick_push instead of
6906         VEC_safe_push.
6907         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6908         instead of heap, use VEC_quick_push instead of VEC_safe_push.
6909         * tree-data-ref.h (struct access_matrix): Change matrix to gc
6910         allocated vector from heap allocated.
6911         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6912         * tree-loop-linear.c (linear_transform_loops): Allocate nest
6913         vector only after perfect_loop_nest_depth call.
6915 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6916             Jan Sjodin  <jan.sjodin@amd.com>
6918         PR tree-optimization/38559
6919         * graphite.c (debug_value, copy_constraint,
6920         swap_constraint_variables, scale_constraint_variable, ): New.
6921         (get_lower_bound, get_upper_bound): Removed.
6922         (graphite_trans_bb_strip_mine): Clean up this code that works
6923         only for constant number of iterations.  Fully copy upper and
6924         lower bound constraints, not only the constant part of them.
6925         * graphite.h (debug_value): Declared.
6927 2009-01-08  Ira Rosen  <irar@il.ibm.com>
6929         PR tree-optimization/37194
6930         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6931         Don't add the cost of cost model guard in prologue to scalar 
6932         outside cost in case of known number of iterations.
6934 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
6935             Alan Modra  <amodra@bigpond.net.au>
6937         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6938         non-word-aligned REG+CONST addressing.
6940 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6942         PR target/38706
6943         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6944         free_after_compilation when outputting a thunk.
6945         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6946         Do not call free_after_compilation here.
6948 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6950         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6951         (ix86_valid_target_attribute_inner_p): Ditto.
6953 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
6955         PR tree-optimization/38492
6956         PR tree-optimization/38498
6957         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6958         * tree-chrec.h (scev_is_linear_expression): Declared.
6959         * graphite.c (graphite_cannot_represent_loop_niter): New.
6960         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6961         (graphite_loop_normal_form): Use gcc_assert.
6962         (scan_tree_for_params): Use CASE_CONVERT.
6963         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6964         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6965         Use gcc_assert.  Discard scops that contain unhandled cases.
6966         (build_scop_conditions): Return a boolean status for unhandled cases.
6967         (strip_mine_profitable_p): Print the loop number, not its depth.
6968         (is_interchange_valid): Pass the depth of the loop nest, don't
6969         recompute it wrongly.
6970         (graphite_trans_bb_block): Same.
6971         (graphite_trans_bb_block): Print tentative of loop blocking.
6972         (graphite_trans_scop_block): Do not print that the loop has been
6973         blocked.
6974         (graphite_transform_loops): Do not handle scops that contain condition
6975         scalar phi nodes.
6977 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
6979         AVX Programming Reference (December, 2008)
6980         * config/i386/avxintrin.h (_mm256_stream_si256): New.
6981         (_mm256_stream_pd): Likewise.
6982         (_mm256_stream_ps): Likewise.
6984         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6985         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6986         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6987         (bdesc_special_args): Add __builtin_ia32_movntdq256,
6988         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6989         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6990         (ix86_expand_special_args_builtin): Likewise.
6992         * config/i386/sse.md (AVXMODEDI): New.
6993         (avx_movnt<mode>): Likewise.
6994         (avx_movnt<mode>): Likewise.
6995         (<sse>_movnt<mode>): Remove AVX support.
6996         (sse2_movntv2di): Likewise.
6998 2009-01-07  Richard Guenther  <rguenther@suse.de>
7000         PR middle-end/38751
7001         * fold-const.c (extract_muldiv): Remove obsolete comment.
7002         (fold_plusminus_mult_expr): Undo MINUS_EXPR
7003         to PLUS_EXPR canonicalization for the canonicalization.
7005 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
7007         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
7008         hosted cross-compilers generating less efficient code.
7010 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
7012         * function.h (rtl_data): Add a dbr_scheduled_p field.
7013         * reorg.c (dbr_schedule): Set it.
7014         (gate_handle_delay_slots): Check it.
7015         * config/mips/mips.c (mips_base_delayed_branch): Delete.
7016         (mips_reorg): Check flag_delayed_branch instead of
7017         mips_base_delayed_branch.
7018         (mips_override_options): Don't set mips_base_delayed_branch
7019         or flag_delayed_branch.
7021 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
7023         PR rtl-optimization/38426.
7024         * ira.c (ira): Set current_function_is_leaf earlier.
7026 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
7028         PR rtl-optimization/38722
7029         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
7030         too early, only set a flag and modify after last possible
7031         undo_all point.
7033 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
7035         PR c/34252
7036         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
7037         * real.c (decimal_single_format): Correct values of emin and emax.
7038         (decimal_double_format): Ditto.
7039         (decimal_quad_format): Ditto.
7040         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
7041         computation of DECnn_MIN and DECnn_MAX for corrected values of
7042         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
7043         __DECnn_MIN__, and adjust its computation for the corrected value
7044         of emin.
7046 2009-01-06  Jan Hubicka  <jh@suse.cz>
7048         PR target/38744
7049         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
7051 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
7053         * doc/contrib.texi (Contributors): Slightly adjust the end note.
7054         Add Robert Clark to the list of testers.
7056 2009-01-06  Jan Hubicka  <jh@suse.cz>
7057             Kai Tietz  <kai.tietz@onevision.com>
7059         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
7060         * config/i386/i386.c (ix86_expand_call): Add clobbers.
7062 2009-01-06  Jan Hubicka  <jh@suse.cz>
7063             Kai Tietz  <kai.tietz@onevision.com>
7065         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
7066         for w64 ABI.
7067         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
7068         (ix86_nsaved_regs): Count only general purpose regs.
7069         (ix86_nsaved_sseregs): New.
7070         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
7071         to 16 for w64; compute padding and size of sse reg save area.
7072         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
7073         general purpose regs.
7074         (ix86_emit_save_sse_regs_using_mov): New.
7075         (ix86_expand_prologue): Save SSE regs if needed.
7076         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
7077         (ix86_emit_restore_sse_regs_using_mov): New.
7078         (ix86_expand_epilogue): Save SSE regs if needed.
7080 2009-01-06  Jan Hubicka  <jh@suse.cz>
7081             Kai Tietz  <kai.tietz@onevision.com>
7083         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
7084         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
7085         functions when accumulate outgoing args is off.
7087 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7089         PR bootstrap/38742
7090         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
7091         before using pseudos_have_intersected_live_ranges_p.
7093         * ira-int.h (ira_assert): Always define.
7095 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7097         AVX Programming Reference (December, 2008)
7098         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
7099         (_mm256_permute2_pd): Likewise.
7100         (_mm_permute2_ps): Likewise.
7101         (_mm256_permute2_ps): Likewise.
7102         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
7103         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
7105         * config/i386/i386.c (ix86_builtins): Remove
7106         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
7107         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
7108         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
7109         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
7110         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
7111         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
7112         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
7113         __builtin_ia32_vpermil2ps256.
7114         (ix86_init_mmx_sse_builtins): Updated.
7115         (ix86_expand_args_builtin): Likewise.
7117 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7119         * pa.c (output_call): Relocate non-jump insns in the delay slot of
7120         long absolute calls when generating PA 2.0 code.
7122 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
7124         PR rtl-optimization/38583
7125         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7127         * params.def (ira-max-conflict-table-size): New.
7129         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7130         
7131         * ira.h (ira_conflicts_p): New external definition.
7132         
7133         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7134         table.  Report this.  Return result of building.
7135         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
7136         building conflict table.
7138         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7139         (ira_color): Use ira_conflicts_p.
7140         
7141         * global.c: Include ira.h.
7142         (pseudo_for_reload_consideration_p, build_insn_chain): Use
7143         ira_conflicts_p.
7145         * Makefile.in (global.o): Add ira.h.
7146         
7147         * ira-build.c (mark_all_loops_for_removal,
7148         propagate_some_info_from_allocno): New.
7149         (remove_unnecessary_allocnos): Call
7150         propagate_some_info_from_allocno.
7151         (remove_low_level_allocnos): New.
7152         (remove_unnecessary_regions): Add parameter.  Call
7153         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
7154         parameter to remove_unnecessary_regions.
7155         (ira_build): Remove all regions but root if the conflict table was
7156         not built.  Update conflict hard regs for allocnos crossing calls.
7158         * ira.c (ira_conflicts_p): New global.
7159         (ira): Define and use ira_conflicts_p.
7161         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7162         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7163         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7164         
7165 2009-01-06  Ben Elliston  <bje@au.ibm.com>
7167         * gengtype-lex.l (YY_NO_INPUT): Define.
7169 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7171         PR c/34911
7172         * c-common.c (handle_vector_size_attribute): Also reject
7173         BOOLEAN_TYPE types.
7175 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
7177         PR tree-optimization/38492
7178         * graphite.c (rename_map_elt, debug_rename_elt,
7179         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7180         rename_map_elt_info, eq_rename_map_elts,
7181         get_new_name_from_old_name, bb_in_sese_p): Moved around.
7182         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7183         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7184         (sese_build_livein_liveouts): New.
7185         (new_sese, free_sese): New.
7186         (new_scop): Call new_sese.
7187         (free_scop): Call free_sese.
7188         (rename_variables_from_edge, rename_phis_end_scop): Removed.
7189         (register_old_new_names): Renamed register_old_and_new_names.
7190         (register_scop_liveout_renames, add_loop_exit_phis,
7191         insert_loop_close_phis, struct igp,
7192         default_liveout_before_guard, add_guard_exit_phis,
7193         insert_guard_phis, copy_renames): New.
7194         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7195         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7196         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7197         (scop_adjust_phis_for_liveouts): New.
7198         (gloog): Call scop_adjust_phis_for_liveouts.
7200         * graphite.h (struct sese): Documented.  Added fields liveout,
7201         num_ver and livein.
7202         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7203         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7204         (struct scop): Added field liveout_renames.
7205         (SCOP_LIVEOUT_RENAMES): New.
7207 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7209         PR tree-optimization/38510
7210         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7211         (translate_clast): Call recompute_all_dominators before
7212         graphite_verify.
7213         (gloog): Call recompute_all_dominators before graphite_verify.
7215 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7216             Jan Sjodin  <jan.sjodin@amd.com>
7218         PR tree-optimization/38500
7219         * graphite.c (create_sese_edges): Call fix_loop_structure after
7220         splitting blocks.
7222 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
7224         * config.gcc: Add m32r*-*-rtems*.
7225         * config/m32r/rtems.h: New file.
7227 2009-01-05  Ben Elliston  <bje@au.ibm.com>
7229         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7230         (.po.pox): Likewise.
7231         (po/gcc.pot): Likewise.
7233 2009-01-04  David S. Miller  <davem@davemloft.net>
7235         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7236         (STARTING_FRAME_OFFSET): Always set to zero.
7238 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7240         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7241         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7242         fixed-point types, and vectors of the same.
7244 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7246         * config/mips/sync.md (*mb_barrier): Rename to...
7247         (*memory_barrier): ...this.
7249 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
7251         * doc/extend.texi (Function Attributes): Move @cindex after @item
7252         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7253         and put in alphabetical order. Fix 'target' name and put in order.
7254         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7255         typos.
7257 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
7259         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
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/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7266         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7267         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
7268         scratch register.  Remove operand 1.
7269         (*stbar): Define as unspec instead of unspec_volatile.
7270         Use (match_dup 0) as input operand, remove (const_int 8).
7271         (*membar): Define as unspec instead of unspec_volatile.
7272         Use (match_dup 0) as input operand, remove input operand 2.
7274         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7275         (memory_barrier): Expand as unspec instead of unspec_volatile.
7276         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7277         (*memory_barrier): Define as unspec instead of unspec_volatile.
7278         Use (match_dup 0) as input operand.
7280         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7281         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7282         Set volatile flag on operand 0.
7283         (*memory_barrier): New insn pattern.
7285         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7286         insn operands.
7287         (*memory_barrier): Use (match_dup 0) as input operand.
7289         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7290         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7291         Set volatile flag on operand 0.
7292         (*mb_internal): New insn pattern.
7294         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7296 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7298         PR middle-end/38586
7299         * function.c (struct temp_slot): Move to the section of the file
7300         that deals with temp slots.  Remove field 'address'.
7301         (temp_slot_address_table): New hash table of address -> temp slot.
7302         (struct temp_slot_address_entry): New struct, items for the table.
7303         (temp_slot_address_compute_hash, temp_slot_address_hash,
7304         temp_slot_address_eq, insert_temp_slot_address): Support functions
7305         for the new table.
7306         (find_temp_slot_from_address): Rewrite to use the new hash table.
7307         (remove_unused_temp_slot_addresses): Remove addresses of temp
7308         slots that have been made available.
7309         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7310         worker function for remove_unused_temp_slot_addresses.
7311         (assign_stack_temp_for_type): Don't clear the temp slot address list.
7312         Add the temp slot address to the address -> temp slot map.
7313         (update_temp_slot_address): Update via insert_temp_slot_address.
7314         (free_temp_slots): Call remove_unused_temp_slot_addresses.
7315         (pop_temp_slots): Likewise.
7316         (init_temp_slots): Allocate the address -> temp slot map, or empty
7317         the map if it is already allocated.
7318         (prepare_function_start): Initialize temp slot processing.
7320 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7322         PR middle-end/38584
7323         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7324         Calculate the size of all stack vars assuming no packing of stack
7325         vars will happen, replacing a quadratic algorithm with a linear one.
7327 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7329         PR target/38707
7330         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7331         can't be used.
7333 2009-01-03  Diego Novillo  <dnovillo@google.com>
7335         * doc/contrib.texi: Update contributions.
7337 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7339         PR c++/38705
7340         * builtins.c (fold_builtin_memory_op): Give up if either operand
7341         is volatile.  Set srctype or desttype to non-qualified version
7342         of the other type.
7344         PR c/38700
7345         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7346         and FUNCTION_DECLs.
7348 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
7350         PR rtl-optimization/35805
7351         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7352         problem if fast dce is able to remove any instructions.
7353         * dce.c (dce_process_block): Fix dump message.
7354         
7355 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
7357         PR 33649
7358         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7360 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
7362         PR middle-end/38690
7363         * tree-flow.h (op_code_prio, op_prio): New prototypes.
7364         * tree-pretty-print.c (op_code_prio): New function.
7365         (op_prio): No longer static.  Use op_code_prio.
7366         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7367         Use op_prio and op_code_prio to determine if () should be
7368         printed around operand(s) or not.
7370         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7371         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7372         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7373         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7374         pp_character instead of pp_string for single letter printing.
7376 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
7378         * doc/extend.texi: Fix '#pragma GCC option' typo.
7380 2009-01-02  Richard Guenther  <rguenther@suse.de>
7382         * doc/install.texi (--enable-checking): Mention different
7383         default for stage1.
7384         (--enable-stage1-checking): Document.
7386 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
7388         PR middle-end/30142
7389         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
7390         case to be an error.
7392 2009-01-02  Ben Elliston  <bje@au.ibm.com>
7394         * config/fp-bit.h (pack_d): Constify argument.
7395         * config/fp-bit.c (makenan): Constify return type. Remove casts.
7396         (isnan): Constify argument.
7397         (isinf): Likewise.
7398         (iszero): Likewise.
7399         (pack_d): Likewise.
7400         (_fpadd_parts): Constify return type.
7401         (_fpmul_parts): Likewise.
7402         (_fpdiv_parts): Likewise.
7404 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
7406         PR c/36489
7407         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
7408         warn about overwriting initializer with side-effects or
7409         -Woverride-init if !IMPLICIT.
7410         (output_init_element): Likewise.  Pass IMPLICIT down to
7411         add_pending_init.
7412         (process_init_element): Add IMPLICIT argument.  Pass it down
7413         to output_init_element.
7414         (push_init_element, pop_init_level, set_designator): Adjust
7415         process_init_element callers.
7416         (set_nonincremental_init, set_nonincremental_init_from_string):
7417         Adjust add_pending_init callers.
7418         (output_pending_init_elements): Adjust output_init_element callers.
7419         * c-tree.h (process_init_element): Adjust prototype.
7420         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7421         process_init_element callers.