2009-04-17 Simon Baldwin <simonb@google.com>
[official-gcc.git] / gcc / ChangeLog
blob6a1c1a78e708b77341ec8ee742159e3604d05159
1 2009-04-17  Simon Baldwin  <simonb@google.com>
3         * toplev.c (default_tree_printer): Add handling for %E format.
5 2009-04-17  Diego Novillo  <dnovillo@google.com>
7         * tree-pretty-print.c (dump_generic_node): Add break
8         after TREE_BINFO handler.
9         Handle COMPLEX_TYPE, REAL_TYPE and FIXED_POINT_TYPE
10         Handle NULL TREE_TYPEs.
11         Handle METHOD_TYPE and FUNCTION_TYPE together.
12         Call print_struct_decl when printing structures and
13         TDF_SLIM is not given.
14         (print_struct_decl): Fix logic for detecting recursion.
16 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
18         PR 31567
19         * gcc.c (create_at_file): New.
20         (compile_input_file_p): New.
21         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
22         * main.c (main): Update call to toplev_main.
23         * toplev.c (toplev_main): Change signature. Call expandargv.
24         * toplev.h (toplev_main): Change signature.
26 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
28         * dwarf2out.c (field_byte_offset): Use the type size as the field size
29         if the latter is not constant.
31 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
33         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
35 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
37         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
38         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
40 2009-04-17  Richard Guenther  <rguenther@suse.de>
42         * tree-ssa-structalias.c (get_constraint_for_component_ref):
43         Handle component references view-converting an invariant address.
45 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
47         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
48         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
49         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
50         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
51         Use @deftypevr rather than @deftypevar.
53 2009-04-17  Richard Guenther  <rguenther@suse.de>
55         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up
56         tuplification.
57         (get_prop_source_stmt): Likewise.
58         (can_propagate_from): Likewise.
60 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
62         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
63         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
64         (--with-multilib-list): Add default value.
65         * configure: Regenerate.
66         * Makefile.in (TM_ENDIAN_CONFIG): Define.
67         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
68         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
69         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
70         Don't add default cpu to multilib list unnecessarily, but do enable
71         the relevant compiler option..
72         Add support for --with-multilib-list=<blank> and
73         --with-multilib-list=!<somelib> to supress unwanted multilibs.
74         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
75         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
76         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
77         TM_MULTILIB_CONFIG.
78         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
79         (MULTILIB_OSDIRNAMES): New variable.
80         * config/sh/t-1e: Delete file.
81         * config/sh/t-mlib-sh1: Delete file.
82         * config/sh/t-mlib-sh2: Delete file.
83         * config/sh/t-mlib-sh2a: Delete file.
84         * config/sh/t-mlib-sh2a-nofpu: Delete file.
85         * config/sh/t-mlib-sh2a-single: Delete file.
86         * config/sh/t-mlib-sh2a-single-only: Delete file.
87         * config/sh/t-mlib-sh2e: Delete file.
88         * config/sh/t-mlib-sh3e: Delete file.
89         * config/sh/t-mlib-sh4: Delete file.
90         * config/sh/t-mlib-sh4-nofpu: Delete file.
91         * config/sh/t-mlib-sh4-single: Delete file.
92         * config/sh/t-mlib-sh4-single-only: Delete file.
93         * config/sh/t-mlib-sh4a: Delete file.
94         * config/sh/t-mlib-sh4a-nofpu: Delete file.
95         * config/sh/t-mlib-sh4a-single: Delete file.
96         * config/sh/t-mlib-sh4a-single-only: Delete file.
97         * config/sh/t-mlib-sh4al: Delete file.
98         * config/sh/t-mlib-sh5-32media: Delete file.
99         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
100         * config/sh/t-mlib-sh5-64media: Delete file.
101         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
102         * config/sh/t-mlib-sh5-compact: Delete file.
103         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
104         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
105         * doc/install.texi (Options specification): Add
106         --with-multilib-list and --with-endian.
108 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
110         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
111         REVISION_c.
112         (OBJS-common): Add plugin-version.o.
113         (plugin-version.o): New.
114         * gcc-plugin.h (plugin_gcc_version): New.
115         (plugin_default_version_check): New.
116         (plugin_init_func, plugin_init): Add version argument.
117         * plugin-version.c: New.
118         * plugin.c (str_plugin_gcc_version_name): New.
119         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
120         pass it to the init function.
121         (plugin_default_version_check): New.
123 2009-04-17  Richard Guenther  <rguenther@suse.de>
125         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
126         for decl-vs-decl disambiguation.
128 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
130         * config/s390/s390.h (s390_tune_attr): New macro definition.
131         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
133 2009-04-17  Richard Guenther  <rguenther@suse.de>
135         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
136         (fold_stmt_r): Likewise.
137         (maybe_fold_reference): New function.
138         (fold_gimple_assign): Handle cases fold_stmt_r did.
139         (fold_stmt): Do not use fold_stmt_r.
140         (fold_stmt_inplace): Likewise.
142 2009-04-17  Richard Guenther  <rguenther@suse.de>
144         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
145         (record_equivalences_from_stmt): Remove useless checks and
146         simplifications.
147         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
148         the type is already suitable.
150 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
152         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
154 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
156         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
157         (CMPtype): Define as __gcc_CMPtype.
159 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
161         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
162         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
164 2009-04-17  Richard Guenther  <rguenther@suse.de>
166         PR tree-optimization/39746
167         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
168         special-casing for builtins and static variable use/def.
169         (call_may_clobber_ref_p_1): Likewise.
171 2009-04-16  Ian Lance Taylor  <iant@google.com>
173         * df.h: Include "timevar.h".
174         (struct df_problem): Change tv_id field to timevar_id_t.
175         * tree-pass.h: Include "timevar.h".
176         (struct opt_pass): Change tv_id field to timevar_id_t.
177         * timevar.h (timevar_id_t): Define TV_NONE.
178         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
179         TV_NONE rather than tv_id != 0.
180         (execute_one_pass): Likewise.
181         * Makefile.in (DF_H): Add $(TIMEVAR_H).
182         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
183         dependencies to $(TREE_PASS_H).
184         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
185         to TV_NONE.
186         (pass_branch_target_load_optimize2): Likewise.
187         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
188         (pass_outof_cfg_layout_mode): Likewise.
189         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
190         (pass_rebuild_cgraph_edges): Likewise.
191         (pass_remove_cgraph_callee_edges): Likewise.
192         * df-core.c (pass_df_initialize_opt): Likewise.
193         (pass_df_initialize_no_opt): Likewise.
194         (pass_df_finish): Likewise.
195         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
196         * except.c (pass_set_nothrow_function_flags): Likewise.
197         (pass_convert_to_eh_region_ranges): Likewise.
198         * final.c (pass_compute_alignments): Likewise.
199         * function.c (pass_instantiate_virtual_regs): Likewise.
200         (pass_init_function): Likewise.
201         (pass_leaf_regs): Likewise.
202         (pass_match_asm_constraints): Likewise.
203         * gimple-low.c (pass_lower_cf): Likewise.
204         (pass_mark_used_blocks): Likewise.
205         * init-regs.c (pass_initialize_regs): Likewise.
206         * integrate.c (pass_initial_value_sets): Likewise.
207         * ira.c (pass_ira): Likewise.
208         * jump.c (pass_cleanup_barriers): Likewise.
209         * omp-low.c (pass_expand_omp): Likewise.
210         (pass_lower_omp): Likewise.
211         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
212         * recog.c (pass_split_all_insns): Likewise.
213         (pass_split_after_reload): Likewise.
214         (pass_split_before_regstack): Likewise.
215         (pass_split_before_sched2): Likewise.
216         (pass_split_for_shorten_branches): Likewise.
217         * reginfo.c (pass_reginfo_init): Likewise.
218         (pass_subregs_of_mode_init): Likewise.
219         (pass_subregs_of_mode_finish): Likewise.
220         * passes.c (pass_postreload): Likewise.
221         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
222         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
223         (pass_warn_function_return): Likewise.
224         (pass_warn_function_noreturn): Likewise.
225         * tree-complex.c (pass_lower_complex): Likewise.
226         (pass_lower_complex_O0): Likewise.
227         * tree-if-conv.c (pass_if_conversion): Likewise.
228         * tree-into-ssa.c (pass_build_ssa): Likewise.
229         * tree-mudflap.c (pass_mudflap_1): Likewise.
230         (pass_mudflap_2): Likewise.
231         * tree-nomudflap.c (pass_mudflap_1): Likewise.
232         (pass_mudflap_2): Likewise.
233         * tree-nrv.c (pass_return_slot): Likewise.
234         * tree-object-size.c (pass_object_sizes): Likewise.
235         * tree-optimize.c (pass_all_optimizations): Likewise.
236         (pass_early_local_passes): Likewise.
237         (pass_all_early_optimizations): Likewise.
238         (pass_cleanup_cfg): Likewise.
239         (pass_cleanup_cfg_post_optimizing): Likewise.
240         (pass_free_datastructures): Likewise.
241         (pass_free_cfg_annotations): Likewise.
242         (pass_fixup_cfg): Likewise.
243         (pass_init_datastructures): Likewise.
244         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
245         (pass_late_warn_uninitialized): Likewise.
246         (pass_update_address_taken): Likewise.
247         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
248         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
249         (pass_cse_sincos): Likewise.
250         (pass_convert_to_rsqrt): Likewise.
251         * tree-ssa-structalias.c (pass_build_alias): Likewise.
252         * tree-stdarg.c (pass_stdarg): Likewise.
253         * tree-tailcall.c (pass_tail_recursion): Likewise.
254         (pass_tail_calls): Likewise.
255         * tree-vect-generic.c (pass_lower_vector): Likewise.
256         (pass_lower_vector_ssa): Likewise.
257         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
259 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
261         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
262         XLR entry.
263         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
264         Handle -march=xlr.
265         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
266         logical and signext.
268 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
270         PR target/39767
271         * config/sh/predicates.md (arith_operand): Check if the operand
272         of TRUNCATE is a REG.
274 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
276         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
277         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
279 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
281         * tree-iterator.c (tsi_split_statement_list_after,
282         tsi_split_statement_list_before): Remove.
283         * tree-iterator.h: Remove the prototypes for
284         tsi_split_statement_list_after and tsi_split_statement_list_before.
286 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
288         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
289         * tree-ssa-propagate.h: Remove the prototype for
290         stmt_makes_single_load.
292 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
294         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
295         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
297 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
299         * tree-iterator.c (EXPR_LAST_BODY): Remove.
301 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
303         * except.c (eh_region_outer_p): Remove.
304         * except.h: Remove the prototype for eh_region_outer_p.
306 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
308         * function.c (current_function_assembler_name): Remove.
309         * function.h: Remove the prototype for
310         current_function_assembler_name.
312 2009-04-16  Ian Lance Taylor  <iant@google.com>
314         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
315         (add_reg_note): Call alloc_reg_note.
316         * rtl.h (alloc_reg_note): Declare.
317         * combine.c (try_combine): Use alloc_reg_note.
318         (recog_for_combine, move_deaths): Likewise.
319         (distribute_notes): Use alloc_reg_note and add_reg_note.
320         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
321         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
322         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
324 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
326         PR rtl-optimization/39762
327         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
328         ira_may_move_out_cost): Add comments about way of their usage.
329         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
330         
331         * ira-conflicts.c (process_regs_for_copy): Use function
332         ira_get_register_move_cost instead of global
333         ira_register_move_cost.
335         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
336         color_pass, move_spill_restore, update_curr_costs): Ditto.
338         * ira-lives.c (process_single_reg_class_operands): Ditto.
340         * ira-emit.c (emit_move_list): Ditto.
342         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
343         (record_reg_classes): Ditto.  Use functions
344         ira_get_register_move_cost and ira_get_may_move_cost instead of
345         global vars ira_register_move_cost, ira_may_move_out_cost and
346         ira_may_move_in_cost.
347         (record_address_regs): Don't call ira_init_register_move_cost.
348         Use function ira_get_may_move_cost instead of global
349         ira_may_move_in_cost.
350         (process_bb_node_for_hard_reg_moves): Use function
351         ira_get_register_move_cost instead of global ira_register_move_cost.
352         (ira_costs): Don't call ira_init_register_move_cost.
353         
354 2009-04-16  Richard Guenther  <rguenther@suse.de>
356         * tree-cfg.c (verify_gimple_assign_binary):
357         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
358         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
359         (create_general_new_stmt): Note that this function is broken.
361 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
363         * common.opt (fhelp): Add Var(help_flag).
364         * gcc-plugin.h (plugin_info): Add help.
365         * plugin.c (plugin_name_args): Add help.
366         (register_plugin_info): Set plugin->help.
367         (print_help_one_plugin): New.
368         (print_plugins_help): New.
369         * plugin.h (print_plugins_help): New.
370         * toplev.c (toplev_main): Call print_plugins_help if needed.
372 2009-04-16  Richard Guenther  <rguenther@suse.de>
374         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
375         (gimple_ior_addresses_taken_1): New function.
376         (gimple_ior_addresses_taken): Likewise.
377         * gimple.h (struct gimple_statement_with_ops_base): Remove
378         addresses_taken member.
379         (gimple_ior_addresses_taken): Declare.
380         (gimple_addresses_taken, gimple_addresses_taken_ptr,
381         gimple_set_addresses_taken): Remove.
382         * ipa-reference.c (mark_address): New function.
383         (scan_stmt_for_static_refs): Use it for marking addresses taken.
384         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
385         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
386         (gimple_add_to_addresses_taken): Remove.
387         (get_tmr_operands): Call mark_address_taken.
388         (get_asm_expr_operands): Likewise.
389         (get_expr_operands): Likewise.
390         (build_ssa_operands): Do not clear the addresses_taken bitmap.
391         (free_stmt_operands): Do not free it.
392         * tree-ssa.c (delete_tree_ssa): Likewise.
393         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
395 2009-04-16  Richard Guenther  <rguenther@suse.de>
397         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
398         (walk_stmt_load_store_ops): Likewise.
399         * gimple.c (get_base_loadstore): New function.
400         (walk_stmt_load_store_addr_ops): Likewise.
401         (walk_stmt_load_store_ops): Likewise.
402         * ipa-pure-const.c (check_op): Simplify.
403         (check_load, check_store): New functions.
404         (check_stmt): Use walk_stmt_load_store_ops.
405         * ipa-reference.c (mark_load): Adjust signature.
406         (mark_store): Likewise.
407         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
409 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
411         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
412         (plugin_info): New.
413         * opts.c (common_handle_option): Don't call print_version.
414         * plugin.c (plugin_name_args): Add version.
415         (register_plugin_info): New.
416         (register_callback): Handle PLUGIN_INFO.
417         (try_init_one_plugin): New.
418         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
419         if failed to init.
420         (finalize_one_plugin): New.
421         (finalize_plugins): New.
422         (print_one_plugin): New.
423         (print_plugins_versions): New.
424         * plugin.h (print_plugins_versions): New.
425         (finalize_plugins): New.
426         * toplev.c (compile_file): Don't call initialize_plugins.
427         (print_version): Call print_plugins_versions.
428         (toplev_main): Call initialize_plugins. Print version if needed.
429         Call finalize_plugins.
431 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
433         * common.opt (fversion): New.
434         * gcc.c (print_version): New.
435         (process_command): Don't print the version. Just set print_version.
436         (main): Print version. Call subprocesses if print_version and
437         verbose_flag are set.
438         * opts.c (common_handle_option): Handle OPT_fversion.
440 2009-04-16  Richard Guenther  <rguenther@suse.de>
441             Ira Rosen  <irar@il.ibm.com>
443         PR tree-optimization/39698
444         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
445         type of the reduction variable.  Only generate the def if
446         it is needed.
448         * omp-low.c (expand_omp_for_generic): When converting to a pointer
449         make sure to first convert to an integer of the same precision.
450         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
451         the type of the evolution correctly in computing the new
452         induction variable base.
454 2009-04-16  Richard Guenther  <rguenther@suse.de>
456         PR middle-end/39625
457         * tree-cfg.c (make_blocks): Split statements with to-be
458         abnormal SSA names on the lhs.
460 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
462         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
463         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
464         * c-typeck.c (really_start_incremental_init): Likewise.
465         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
466         (TARGET_INITIALIZER): Remove it.
467         * target.h (struct target): Remove vector_opaque_p.
468         * tree.c (build_opaque_vector_type): New.
469         * tree.h (TYPE_VECTOR_OPAQUE): New.
470         (build_opaque_vector_type): Declare.
471         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
472         * config/rs6000/rs6000.c (build_opaque_vector_type,
473         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
474         (rs6000_init_builtins): Use build_opaque_vector_type for
475         opaque_V4SI_type_node.
477 2009-04-15  Catherine Moore  <clm@codesourcery.com>
479         * debug.h (set_name):  Declare.
480         * dwarf2out.c (dwarf2out_set_name): Declare.
481         (dwarf2_debug_hooks): Add set_name.
482         (find_AT_string): New.
483         (add_AT_string): Call find_AT_string.
484         (dwarf2out_set_name): New.
485         * cp/decl.c (grokdeclarator): Call set_name.
486         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
487         * debug.c (do_nothing_debug_hooks):  Likewise.
488         * dbxout.c (dbx_debug_hooks): Likewise.
489         * sdbout.c (sdb_debug_hooks): Likewise.
491 2009-04-15  Michael Eager <eager@eagercon.com>
493         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
494         reg for single-precision FPU.
495         * config/rs6000/rs6000.md (movsi_internal1): Only for
496         !TARGET_SINGLE_FPU.
497         (movsi_internal1_single): New. Add pattern to move SI values to/from
498         single-precision FP regs.
500 2009-04-15  Richard Guenther  <rguenther@suse.de>
502         * omp-low.c (lower_rec_input_clauses): Build correct address
503         expressions.
504         (expand_omp_for_generic): Fix multiplication type.
505         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
506         (generate_memset_zero): Fix types.
507         * tree-profile.c (prepare_instrumented_value): Correctly
508         widen a pointer.
510 2009-04-15  Ian Lance Taylor  <iant@google.com>
512         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
513         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
514         for -Wall and for -Wc++-compat.
515         (c_common_post_options): For C++, set warn_enum_compare if not
516         already set.
517         * c-tree.h (struct c_expr): Add field original_type.
518         (build_external_ref): Update declaration.
519         * c-parser.c (c_parser_braced_init): Set original_type.
520         (c_parser_initelt): Likewise.
521         (c_parser_expr_no_commas): Likewise.
522         (c_parser_conditional_expression): Likewise.
523         (c_parser_cast_expression): Likewise.
524         (c_parser_unary_expression): Likewise.  Pull setting of
525         original_code to top of function.
526         (c_parser_sizeof_expression): Set original_type.
527         (c_parser_alignof_expression): Likewise.
528         (c_parser_postfix_expression): Likewise.  Pull setting of
529         original_code to top of function.
530         (c_parser_postfix_expression_after_paren_type): Set original_type.
531         (c_parser_postfix_expression_after_primary): Likewise.
532         (c_parser_expression): Likewise.
533         * c-typeck.c (build_external_ref): Add type parameter.  Change all
534         callers.
535         (c_expr_sizeof_expr): Set original_type field.
536         (parser_build_unary_op): Likewise.
537         (parser_build_binary_op): Likewise.  Optionally warn about
538         comparisons of enums of different types.
539         (digest_init): Set original_type field.
540         (really_start_incremental_init): Likewise.
541         (push_init_level, pop_init_level): Likewise.
542         * doc/invoke.texi (Warning Options): -Wenum-compare now
543         supported in C.
545 2009-04-15  Richard Guenther  <rguenther@suse.de>
547         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
548         out a necessary conversion.
549         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
550         names we didn't value number.
551         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
553 2009-04-15  Richard Guenther  <rguenther@suse.de>
555         PR tree-optimization/39764
556         * tree-ssa-ccp.c (get_value): Canonicalize value with
557         canonicalize_float_value.
559 2009-04-15  Jan Hubicka  <jh@suse.cz>
561         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
562         Wrong version of patch.
564 2009-04-15  Jan Hubicka  <jh@suse.cz>
566         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
568 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
570         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
571         our distinct integral and vector types.
573 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
575         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
576         * init.c (build_vtbl_address): Remove call to assemble_external.
578 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
580         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
581         output for other floating point modes.
583 2009-04-14  Diego Novillo  <dnovillo@google.com>
585         * diagnostic.c (diagnostic_report_diagnostic): Do not
586         warn about loaded plugins for DK_ERROR and DK_WARNING.
587         * c-decl.c (declspecs_add_type): Move call to
588         invoke_plugin_callbacks ...
589         * c-parser.c (c_parser_declspecs): ... here.
590         * plugin.c (dump_active_plugins): Tidy output.
592 2009-04-14  Diego Novillo  <dnovillo@google.com>
593             Le-Chun Wu  <lcwu@google.com>
595         * configure.ac: Add --enable-plugin support.
596         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
597         * Makefile.in (PLUGIN_H): Define.
598         Export ENABLE_PLUGIN and GMPINC to site.exp.
599         Add PLUGINLIBS to link command.
600         Add/modify dependencies for plugin.o and files including plugin.h.
601         (plugin.o): New.
602         * config.in: Regenerate.
603         
604         * opts.c (common_handle_option): Handle OPT_fplugin_ and
605         OPT_fplugin_arg_.
607 2009-04-14  Le-Chun Wu  <lcwu@google.com>
609         * tree-pass.h (register_one_dump_file): Add a prototype for
610         register_one_dump_file.
611         * toplev.c (compile_file): Call initialize_plugins.
612         (do_compile): Call invoke_plugin_callbacks.
613         (toplev_main): Call invoke_plugin_callbacks.
614         * common.opt: Add -fplugin= and -fplugin-arg-.
615         * gcc-plugin.h: New public header file for plugins to include.
616         * plugin.c: New source file.
617         * plugin.h: New internal header file.
618         * passes.c (register_one_dump_file): Make it external.
619         
620         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
622 2009-04-14  Diego Novillo  <dnovillo@google.com>
624         * doc/plugins.texi: New.
625         * doc/gccint.texi: Add reference to Plugins chapter.
626         * doc/invoke.texi: Document -fplugin and -fplugin-arg
627         * diagnostic.c (diagnostic_report_diagnostic): Warn about
628         loaded plugins, if any.
629         * timevar.def (TV_PLUGIN_INIT): Define.
630         (TV_PLUGIN_RUN): Define.
631         * plugin.c: Include timevar.h
632         (plugins_active_p): New.
633         (dump_active_plugins): New.
634         (debug_active_plugins): New.
636 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
638         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
639         library paths.
640         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
642 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
644         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
645         the same as a minus without a shift.
647 2009-04-14  Nick Clifton  <nickc@redhat.com>
649         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
650         comparisons with small integers will always produce a short
651         branch.
653 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
655         Merge:
656         2008-12-19  Diego Novillo  <dnovillo@google.com>
658         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
660 2000-04-14  Richard Guenther  <rguenther@suse.de>
662         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
663         verification.
664         (verify_gimple_assign_binary): Likewise.  Handle shifts and
665         rotates correctly.
666         (verify_gimple_phi): Print the mismatched argument position.
667         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
668         Fix types.
669         (vect_update_init_of_dr): Likewise.
670         * matrix-reorg.c (transform_access_sites): Do what the
671         comment suggests.
672         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
674 2009-04-13  Michael Eager <eager@eagercon.com>
676         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
677         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
678         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
679         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
680         remove duplicate config
682 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
684         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
685         file_name:line_number type locator of the call site.
686         
687 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
689         * genautomata.c: Put blank after comma.
690         (automaton_decls): New.
691         (struct unit_usage): Add comments to member next.
692         (store_alt_unit_usage): Keep the list ordered.
693         (unit_present_on_list_p, equal_alternatives_p): New.
694         (check_regexp_units_distribution): Check units distribution
695         correctness correctly.
696         (main): Don't write automata if error is found.  Return correct
697         exit code.
698         
699         * config/m68k/cf.md (cfv4_ds): Remove.
700         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
701         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
703         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
704         power4-load-ext, power4-store, power4-store-update,
705         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
706         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
707         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
708         power4-sqrt, power4-isync): Modify reservation to make correct
709         unit distribution to automata.
711         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
712         power5-store-update, power5-two, power5-three, power5-lmul,
713         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
714         
715 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
717         * except.c (pass_set_nothrow_function_flags): Set name and add
718         TODO_dump_func.
719         (set_nothrow_function_flags): Mention in the dump file when
720         changing a function to nothrow.
722 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
724         PR/39066
725         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
726         instead of unsigned long.
728 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
730         * config/arm/arm.c (return_used_this_function): Remove.
731         (arm_output_function_prologue): Remove use of
732         return_used_this_function.
733         (output_return_instruction): Replace use of
734         return_used_this_function
735         by cfun->machine->return_used_this_function.
736         (arm_output_epilogue): Likewise.
737         (arm_output_function_epilogue): Likewise.
738         (thumb_unexpanded_epilogue): Likewise.
739         * config/arm/arm.h (struct machine_function):
740         New member return_used_this_function.
742 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
744         * doc/install.texi: Correct description of default directory for
745         --with-gxx-include-dir.
747 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
749         * fold-const.c (build_range_check): Properly deal with enumeral and
750         boolean base types.
752 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
754         * doc/invoke.texi (max_gcse_passes): Remove documentation.
755         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
756         * params.h (MAX_GCSE_PASSES): Remove.
757         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
758         in sequence.  Remove ability to run multiple passes.
759         (bypass_jumps): Report run as third CPROP pass.
761 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
763         PR middle-end/39651
764         * except.c (can_throw_external): Look at each insn in a SEQUENCE
765         when deciding whether the whole SEQUENCE can throw.
767 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
769         PR target/39740
770         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
771         offseted label references.
773 2009-04-11  Jan Hubicka  <jh@suse.cz>
775         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
777 2009-04-11  Richard Guenther  <rguenther@suse.de>
779         PR middle-end/39732
780         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
781         return variables as TREE_ADDRESSABLE.
783 2009-04-11  Richard Guenther  <rguenther@suse.de>
785         PR tree-optimization/39713
786         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
787         reference trees have SSA_NAME operands.
789 2009-04-11  Richard Guenther  <rguenther@suse.de>
791         PR c/39712
792         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
793         address expressions.
795 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
797         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
798         match changes in Cygwin 1.7
799         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
800         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
802 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
804         PR tree-optimization/39701
805         * doc/invoke.texi (Optimization Options): Document change in
806         meaning and initialization of -fdelete-null-pointer-checks.
808 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
810         PR middle-end/39701
811         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
813         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
814         here.
816         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
818 2009-04-10  Chao-ying Fu  <fu@mips.com>
820         * doc/tm.texi (Instruction Output): Document
821         TARGET_ASM_FINAL_POSTSCAN_INSN.
822         * target.h (final_postscan_insn): New field in asm_out.
823         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
824         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
825         * final.c (final_scan_insn): Call
826         targetm.asm_out.final_postscan_insn after outputting
827         an asm macro and a normal instruction.
829         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
830         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
831         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
832         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
833         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
835 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
837         PR middle-end/39701
838         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
839         variables as non-NULL even with -fdelete-null-pointer-checks.
841 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
843         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
845 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
847         PR target/39678
848         * config/i386/i386.c (classify_argument): Handle SCmode with
849         (bit_offset % 64) != 0.
851 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
853         * doc/invoke.texi (Optimize Options): Add cross-reference to
854         -Q --help=optimizers examples.
856 2009-04-10  Ben Elliston  <bje@au.ibm.com>
858         PR target/36800
859         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
860         regalign for the reg == fpr and TDmode case.
862 2009-04-09  David Ayers  <ayers@fsfe.org>
864         PR objc/29200
865         * objc/objc-act.c (warn_with_method): Remove helper function.
866         (check_duplicates): Call warning and inform directly.
867         (really_start_method): Likewise.
869 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
871         * expmed.c (expand_divmod): Always use a comparison for a division
872         by a large unsigned integer.
874         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
875         for things others than variables or functions as nonzero.
877 2009-04-09  Nick Clifton  <nickc@redhat.com>
879         * unwind-compat.c: Change copyright header to refer to version
880         3 of the GNU General Public License with version 3.1 of the
881         GCC Runtime Library Exception and to point readers at the
882         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
883         * config/alpha/crtfastmath.c: Likewise.
884         * config/alpha/linux-unwind.h: Likewise.
885         * config/alpha/qrnnd.asm: Likewise.
886         * config/alpha/vms-crt0-64.c: Likewise.
887         * config/alpha/vms-crt0.c: Likewise.
888         * config/alpha/vms-dwarf2.asm: Likewise.
889         * config/alpha/vms-dwarf2eh.asm: Likewise.
890         * config/alpha/vms-psxcrt0-64.c: Likewise.
891         * config/alpha/vms-psxcrt0.c: Likewise.
892         * config/alpha/vms_tramp.asm: Likewise.
893         * config/arc/initfini.c: Likewise.
894         * config/arc/lib1funcs.asm: Likewise.
895         * config/arm/bpabi-v6m.S: Likewise.
896         * config/arm/bpabi.S: Likewise.
897         * config/arm/bpabi.c: Likewise.
898         * config/arm/crti.asm: Likewise.
899         * config/arm/crtn.asm: Likewise.
900         * config/arm/ieee754-df.S: Likewise.
901         * config/arm/ieee754-sf.S: Likewise.
902         * config/arm/lib1funcs.asm: Likewise.
903         * config/arm/libunwind.S: Likewise.
904         * config/arm/linux-atomic.c: Likewise.
905         * config/arm/mmintrin.h: Likewise.
906         * config/arm/pr-support.c: Likewise.
907         * config/arm/unaligned-funcs.c: Likewise.
908         * config/arm/unwind-arm.c: Likewise.
909         * config/arm/unwind-arm.h: Likewise.
910         * config/avr/libgcc.S: Likewise.
911         * config/bfin/crti.s: Likewise.
912         * config/bfin/crtlibid.s: Likewise.
913         * config/bfin/crtn.s: Likewise.
914         * config/bfin/lib1funcs.asm: Likewise.
915         * config/bfin/linux-unwind.h: Likewise.
916         * config/cris/arit.c: Likewise.
917         * config/cris/cris_abi_symbol.c: Likewise.
918         * config/darwin-64.c: Likewise.
919         * config/darwin-crt2.c: Likewise.
920         * config/darwin-crt3.c: Likewise.
921         * config/darwin.h: Likewise.
922         * config/dbxelf.h: Likewise.
923         * config/dfp-bit.c: Likewise.
924         * config/dfp-bit.h: Likewise.
925         * config/elfos.h: Likewise.
926         * config/fixed-bit.c: Likewise.
927         * config/fixed-bit.h: Likewise.
928         * config/fp-bit.c: Likewise.
929         * config/fp-bit.h: Likewise.
930         * config/fr30/crti.asm: Likewise.
931         * config/fr30/crtn.asm: Likewise.
932         * config/fr30/lib1funcs.asm: Likewise.
933         * config/freebsd-spec.h: Likewise.
934         * config/frv/cmovd.c: Likewise.
935         * config/frv/cmovh.c: Likewise.
936         * config/frv/cmovw.c: Likewise.
937         * config/frv/frvbegin.c: Likewise.
938         * config/frv/frvend.c: Likewise.
939         * config/frv/lib1funcs.asm: Likewise.
940         * config/glibc-stdint.h: Likewise.
941         * config/h8300/clzhi2.c: Likewise.
942         * config/h8300/crti.asm: Likewise.
943         * config/h8300/crtn.asm: Likewise.
944         * config/h8300/ctzhi2.c: Likewise.
945         * config/h8300/fixunssfsi.c: Likewise.
946         * config/h8300/lib1funcs.asm: Likewise.
947         * config/h8300/parityhi2.c: Likewise.
948         * config/h8300/popcounthi2.c: Likewise.
949         * config/i386/ammintrin.h: Likewise.
950         * config/i386/att.h: Likewise.
951         * config/i386/avxintrin.h: Likewise.
952         * config/i386/biarch64.h: Likewise.
953         * config/i386/bmmintrin.h: Likewise.
954         * config/i386/cpuid.h: Likewise.
955         * config/i386/cross-stdarg.h: Likewise.
956         * config/i386/crtfastmath.c: Likewise.
957         * config/i386/crtprec.c: Likewise.
958         * config/i386/cygming-crtbegin.c: Likewise.
959         * config/i386/cygming-crtend.c: Likewise.
960         * config/i386/cygwin.asm: Likewise.
961         * config/i386/emmintrin.h: Likewise.
962         * config/i386/gmm_malloc.h: Likewise.
963         * config/i386/gthr-win32.c: Likewise.
964         * config/i386/i386.h: Likewise.
965         * config/i386/immintrin.h: Likewise.
966         * config/i386/linux-unwind.h: Likewise.
967         * config/i386/linux64.h: Likewise.
968         * config/i386/mm3dnow.h: Likewise.
969         * config/i386/mmintrin-common.h: Likewise.
970         * config/i386/mmintrin.h: Likewise.
971         * config/i386/nmmintrin.h: Likewise.
972         * config/i386/pmm_malloc.h: Likewise.
973         * config/i386/pmmintrin.h: Likewise.
974         * config/i386/smmintrin.h: Likewise.
975         * config/i386/sol2-c1.asm: Likewise.
976         * config/i386/sol2-ci.asm: Likewise.
977         * config/i386/sol2-cn.asm: Likewise.
978         * config/i386/sol2-gc1.asm: Likewise.
979         * config/i386/tmmintrin.h: Likewise.
980         * config/i386/unix.h: Likewise.
981         * config/i386/w32-unwind.h: Likewise.
982         * config/i386/wmmintrin.h: Likewise.
983         * config/i386/x86-64.h: Likewise.
984         * config/i386/x86intrin.h: Likewise.
985         * config/i386/xmmintrin.h: Likewise.
986         * config/ia64/crtbegin.asm: Likewise.
987         * config/ia64/crtend.asm: Likewise.
988         * config/ia64/crtfastmath.c: Likewise.
989         * config/ia64/crti.asm: Likewise.
990         * config/ia64/crtn.asm: Likewise.
991         * config/ia64/fde-glibc.c: Likewise.
992         * config/ia64/lib1funcs.asm: Likewise.
993         * config/ia64/linux-unwind.h: Likewise.
994         * config/ia64/quadlib.c: Likewise.
995         * config/ia64/unwind-ia64.c: Likewise.
996         * config/linux.h: Likewise.
997         * config/m32c/m32c-lib1.S: Likewise.
998         * config/m32c/m32c-lib2-trapv.c: Likewise.
999         * config/m32c/m32c-lib2.c: Likewise.
1000         * config/m32r/initfini.c: Likewise.
1001         * config/m68hc11/larith.asm: Likewise.
1002         * config/m68hc11/m68hc11-crt0.S: Likewise.
1003         * config/m68k/cf.md: Likewise.
1004         * config/m68k/crti.s: Likewise.
1005         * config/m68k/crtn.s: Likewise.
1006         * config/m68k/lb1sf68.asm: Likewise.
1007         * config/m68k/linux-unwind.h: Likewise.
1008         * config/mcore/crti.asm: Likewise.
1009         * config/mcore/crtn.asm: Likewise.
1010         * config/mcore/lib1.asm: Likewise.
1011         * config/mips/linux-unwind.h: Likewise.
1012         * config/mips/loongson.h: Likewise.
1013         * config/mips/mips16.S: Likewise.
1014         * config/mmix/crti.asm: Likewise.
1015         * config/mmix/crtn.asm: Likewise.
1016         * config/pa/fptr.c: Likewise.
1017         * config/pa/hpux-unwind.h: Likewise.
1018         * config/pa/lib2funcs.asm: Likewise.
1019         * config/pa/linux-atomic.c: Likewise.
1020         * config/pa/linux-unwind.h: Likewise.
1021         * config/pa/milli64.S: Likewise.
1022         * config/pa/quadlib.c: Likewise.
1023         * config/pa/stublib.c: Likewise.
1024         * config/picochip/libgccExtras/adddi3.asm: Likewise.
1025         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
1026         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
1027         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
1028         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
1029         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
1030         * config/picochip/libgccExtras/divmod15.asm: Likewise.
1031         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
1032         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
1033         * config/picochip/libgccExtras/longjmp.asm: Likewise.
1034         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
1035         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
1036         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
1037         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
1038         * config/picochip/libgccExtras/setjmp.asm: Likewise.
1039         * config/picochip/libgccExtras/subdi3.asm: Likewise.
1040         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
1041         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
1042         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
1043         * config/rs6000/750cl.h: Likewise.
1044         * config/rs6000/altivec.h: Likewise.
1045         * config/rs6000/biarch64.h: Likewise.
1046         * config/rs6000/crtresfpr.asm: Likewise.
1047         * config/rs6000/crtresgpr.asm: Likewise.
1048         * config/rs6000/crtresxfpr.asm: Likewise.
1049         * config/rs6000/crtresxgpr.asm: Likewise.
1050         * config/rs6000/crtsavfpr.asm: Likewise.
1051         * config/rs6000/crtsavgpr.asm: Likewise.
1052         * config/rs6000/darwin-asm.h: Likewise.
1053         * config/rs6000/darwin-fallback.c: Likewise.
1054         * config/rs6000/darwin-fpsave.asm: Likewise.
1055         * config/rs6000/darwin-ldouble.c: Likewise.
1056         * config/rs6000/darwin-tramp.asm: Likewise.
1057         * config/rs6000/darwin-unwind.h: Likewise.
1058         * config/rs6000/darwin-vecsave.asm: Likewise.
1059         * config/rs6000/darwin-world.asm: Likewise.
1060         * config/rs6000/e500crtres32gpr.asm: Likewise.
1061         * config/rs6000/e500crtres64gpr.asm: Likewise.
1062         * config/rs6000/e500crtres64gprctr.asm: Likewise.
1063         * config/rs6000/e500crtrest32gpr.asm: Likewise.
1064         * config/rs6000/e500crtrest64gpr.asm: Likewise.
1065         * config/rs6000/e500crtresx32gpr.asm: Likewise.
1066         * config/rs6000/e500crtresx64gpr.asm: Likewise.
1067         * config/rs6000/e500crtsav32gpr.asm: Likewise.
1068         * config/rs6000/e500crtsav64gpr.asm: Likewise.
1069         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
1070         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
1071         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
1072         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
1073         * config/rs6000/eabi-ci.asm: Likewise.
1074         * config/rs6000/eabi-cn.asm: Likewise.
1075         * config/rs6000/eabi.asm: Likewise.
1076         * config/rs6000/linux-unwind.h: Likewise.
1077         * config/rs6000/linux64.h: Likewise.
1078         * config/rs6000/paired.h: Likewise.
1079         * config/rs6000/paired.md: Likewise.
1080         * config/rs6000/ppc64-fp.c: Likewise.
1081         * config/rs6000/ppu_intrinsics.h: Likewise.
1082         * config/rs6000/rs6000.h: Likewise.
1083         * config/rs6000/si2vmx.h: Likewise.
1084         * config/rs6000/sol-ci.asm: Likewise.
1085         * config/rs6000/sol-cn.asm: Likewise.
1086         * config/rs6000/spe.h: Likewise.
1087         * config/rs6000/spu2vmx.h: Likewise.
1088         * config/rs6000/sysv4.h: Likewise.
1089         * config/rs6000/tramp.asm: Likewise.
1090         * config/rs6000/vec_types.h: Likewise.
1091         * config/s390/linux-unwind.h: Likewise.
1092         * config/s390/tpf-unwind.h: Likewise.
1093         * config/score/crti.asm: Likewise.
1094         * config/score/crtn.asm: Likewise.
1095         * config/sh/crt1.asm: Likewise.
1096         * config/sh/crti.asm: Likewise.
1097         * config/sh/crtn.asm: Likewise.
1098         * config/sh/divtab-sh4-300.c: Likewise.
1099         * config/sh/divtab-sh4.c: Likewise.
1100         * config/sh/divtab.c: Likewise.
1101         * config/sh/lib1funcs-4-300.asm: Likewise.
1102         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
1103         * config/sh/lib1funcs.asm: Likewise.
1104         * config/sh/lib1funcs.h: Likewise.
1105         * config/sh/linux-atomic.asm: Likewise.
1106         * config/sh/linux-unwind.h: Likewise.
1107         * config/sh/shmedia.h: Likewise.
1108         * config/sh/sshmedia.h: Likewise.
1109         * config/sh/ushmedia.h: Likewise.
1110         * config/sparc/crtfastmath.c: Likewise.
1111         * config/sparc/linux-unwind.h: Likewise.
1112         * config/sparc/sol2-c1.asm: Likewise.
1113         * config/sparc/sol2-ci.asm: Likewise.
1114         * config/sparc/sol2-cn.asm: Likewise.
1115         * config/spu/divmodti4.c: Likewise.
1116         * config/spu/divv2df3.c: Likewise.
1117         * config/spu/float_disf.c: Likewise.
1118         * config/spu/float_unsdidf.c: Likewise.
1119         * config/spu/float_unsdisf.c: Likewise.
1120         * config/spu/float_unssidf.c: Likewise.
1121         * config/spu/mfc_multi_tag_release.c: Likewise.
1122         * config/spu/mfc_multi_tag_reserve.c: Likewise.
1123         * config/spu/mfc_tag_release.c: Likewise.
1124         * config/spu/mfc_tag_reserve.c: Likewise.
1125         * config/spu/mfc_tag_table.c: Likewise.
1126         * config/spu/multi3.c: Likewise.
1127         * config/spu/spu_internals.h: Likewise.
1128         * config/spu/spu_intrinsics.h: Likewise.
1129         * config/spu/spu_mfcio.h: Likewise.
1130         * config/spu/vec_types.h: Likewise.
1131         * config/spu/vmx2spu.h: Likewise.
1132         * config/stormy16/stormy16-lib2.c: Likewise.
1133         * config/svr4.h: Likewise.
1134         * config/sync.c: Likewise.
1135         * config/v850/lib1funcs.asm: Likewise.
1136         * config/vxlib-tls.c: Likewise.
1137         * config/vxlib.c: Likewise.
1138         * config/vxworks-dummy.h: Likewise.
1139         * config/xtensa/crti.asm: Likewise.
1140         * config/xtensa/crtn.asm: Likewise.
1141         * config/xtensa/ieee754-df.S: Likewise.
1142         * config/xtensa/ieee754-sf.S: Likewise.
1143         * config/xtensa/lib1funcs.asm: Likewise.
1144         * config/xtensa/lib2funcs.S: Likewise.
1145         * config/xtensa/linux-unwind.h: Likewise.
1146         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1147         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1148         * coretypes.h: Likewise.
1149         * crtstuff.c: Likewise.
1150         * defaults.h: Likewise.
1151         * dwarf2.h: Likewise.
1152         * emutls.c: Likewise.
1153         * gbl-ctors.h: Likewise.
1154         * gcov-io.h: Likewise.
1155         * ginclude/float.h: Likewise.
1156         * ginclude/iso646.h: Likewise.
1157         * ginclude/stdarg.h: Likewise.
1158         * ginclude/stdbool.h: Likewise.
1159         * ginclude/stddef.h: Likewise.
1160         * ginclude/stdfix.h: Likewise.
1161         * ginclude/stdint-gcc.h: Likewise.
1162         * ginclude/tgmath.h: Likewise.
1163         * gthr-aix.h: Likewise.
1164         * gthr-dce.h: Likewise.
1165         * gthr-gnat.c: Likewise.
1166         * gthr-gnat.h: Likewise.
1167         * gthr-lynx.h: Likewise.
1168         * gthr-mipssde.h: Likewise.
1169         * gthr-nks.h: Likewise.
1170         * gthr-posix.c: Likewise.
1171         * gthr-posix.h: Likewise.
1172         * gthr-posix95.h: Likewise.
1173         * gthr-rtems.h: Likewise.
1174         * gthr-single.h: Likewise.
1175         * gthr-solaris.h: Likewise.
1176         * gthr-tpf.h: Likewise.
1177         * gthr-vxworks.h: Likewise.
1178         * gthr-win32.h: Likewise.
1179         * gthr.h: Likewise.
1180         * libgcc2.c: Likewise.
1181         * libgcc2.h: Likewise.
1182         * libgcov.c: Likewise.
1183         * tsystem.h: Likewise.
1184         * typeclass.h: Likewise.
1185         * unwind-c.c: Likewise.
1186         * unwind-compat.h: Likewise.
1187         * unwind-dw2-fde-compat.c: Likewise.
1188         * unwind-dw2-fde-darwin.c: Likewise.
1189         * unwind-dw2-fde-glibc.c: Likewise.
1190         * unwind-dw2-fde.c: Likewise.
1191         * unwind-dw2-fde.h: Likewise.
1192         * unwind-dw2.c: Likewise.
1193         * unwind-dw2.h: Likewise.
1194         * unwind-generic.h: Likewise.
1195         * unwind-pe.h: Likewise.
1196         * unwind-sjlj.c: Likewise.
1197         * unwind.inc: Likewise.
1198         * config/arm/neon-gen.ml: Change generated copyright header to
1199         refer to version 3 of the GNU General Public License with
1200         version 3.1 of the GCC Runtime Library Exception and to point
1201         readers at the COPYING3 and COPYING3.RUNTIME files and the
1202         FSF's license web page.
1203         * config/arm/arm_neon.h: Regenerate.
1205 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
1207         * config/cris/cris.md: Change copyright header to refer to version
1208         3 of the GNU General Public License.
1209         * doc/install.texi2html: Change copyright header to refer to version
1210         3 of the GNU General Public License and to point readers at the
1211         COPYING3 file and the FSF's license web page.
1212         * config/vax/linux.h: Likewise.
1214 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1216         * config/i386/i386.md (cmpcc): New.
1217         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1218         (sync_compare_and_swap_cc*): Delete.
1220         * config/s390/s390.c (s390_compare_emitted): Remove.
1221         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1222         s390_compare_emitted used to be handled.  Assert that modes match.
1223         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1224         refer to sync_compare_and_swap_ccsi.
1225         * config/s390/s390.h (s390_compare_emitted): Remove.
1226         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1227         instead of s390_compare_emitted.
1228         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1229         instead of s390_compare_emitted.
1230         * config/s390/s390.md (cmpcc): New.
1231         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1232         CC_REGNUM, do not pretend it's set.
1233         (sync_compare_and_swap_cc*): Delete.
1234         * config/s390/predicates.md (cc_reg_operand): New.
1236         * expr.c (sync_compare_and_swap_cc): Delete.
1237         * optabs.h (sync_compare_and_swap_cc): Delete.
1238         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1239         is being used with can_compare_p.
1240         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1241         (find_cc_set): New.
1242         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1243         look for a MODE_CC set instead.  Use emit_store_flag.
1244         (expand_compare_and_swap_loop): Likewise, with some additional
1245         complication to avoid a force_reg when useless.  Use
1246         emit_cmp_and_jump_insns.
1247         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1248         * doc/md.texi (sync_compare_and_swap_cc): Merge with
1249         sync_compare_and_swap documentation.
1251 2009-04-09  Jan Hubicka  <jh@suse.cz>
1253         * except.c (find_prev_try): Break out from ....
1254         (duplicate_eh_regions): ... here; properly update prev_try pointers
1255         when duplication part of tree.
1256         (dump_eh_tree): Improve dumping.
1257         (verify_eh_region): New.
1258         (verify_eh_tree): Use it.
1260 2009-04-06  Richard Guenther  <rguenther@suse.de>
1262         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1263         &ARRAY addresses by adjusting their types and prepending
1264         a conversion.
1265         * tree-cfg.c (verify_gimple_assign_single): Verify that
1266         addresses are correct.
1268 2009-04-09  Richard Guenther  <rguenther@suse.de>
1270         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1271         indices into an array reference if possible.
1272         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1273         Fold POINTER_PLUS_EXPR statements with invariant address.
1275 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
1277         PR target/39634
1278         * config.gcc (powerpc64-*-linux*): Always build biarch.
1280 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
1282         PR c/39613
1283         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1284         it and pedwarn if this results in an INTEGER_CST.
1286 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1288         * doc/install.texi: Update minimum GMP version.  Remove obsolete
1289         text in MPFR section.
1291 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1293         * dwarf2out.c (class_scope_p): New static inline.
1294         (class_or_namespace_scope_p): Use it.
1295         (gen_variable_die): Use DW_TAG_member tag for static data member
1296         declarations instead of DW_TAG_variable.
1298         PR middle-end/39573
1299         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1300         variables.
1302 2009-04-08  Richard Guenther  <rguenther@suse.de>
1304         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1305         valueize random data.
1307 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
1309         * config.gcc (aix tm_file):  Add aix-stdint.h.
1310         (aix tm clause use_gcc_stdint):  Set to wrap.
1311         * config/rs6000/aix-stdint.h:  New file.
1312         
1313 2009-04-08  Richard Guenther  <rguenther@suse.de>
1315         PR middle-end/36291
1316         * tree-dfa.c (add_referenced_var): Do not recurse into
1317         global initializers.
1318         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1319         exposed variables.
1320         (fold_const_aggregate_ref): Likewise.
1322 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1324         * recog.c (ordered_comparison_operator): New.
1325         * gensupport.c (std_preds): Add it.
1326         * doc/md.texi (Machine-Independent Predicates): Document it.
1328 2009-04-08  Jan Hubicka  <jh@suse.cz>
1330         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1331         * function.h (rtl_eh): Remove exception_handler_label_map.
1332         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1333         remove_exception_handler_label, for_each_eh_label_1): Remove.
1334         (rtl_remove_unreachable_regions): Remove.
1335         (convert_from_eh_region_ranges): Do not remove unreachable regions.
1336         (find_exception_handler_labels): Don't build the hashtable.
1337         (maybe_remove_eh_handler): Remove.
1338         (for_each_eh_label): Rewrite to walk the tree.
1339         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1340         * except.h (maybe_remove_eh_handler): Remove.
1341         * passes.c (init_optimization_passes): Schedule second EH cleanup
1342         before out-of-ssa.
1343         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1344         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1346 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1348         * genoutput.c (validate_optab_operands): New.
1349         (gen_insn, gen_expand): Call it.
1351         * genflags.c (gen_insn): Detect misused iterators.
1352         (main): Pass line_no to gen_insn, exit with status 1 on error.
1354         * genextract.c (line_no): Make global.
1355         (VEC_safe_set_locstr): Change assertion to error message.
1356         (main): Exit with status 1 on error.
1358 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
1360         PR c/39614
1361         PR c/39673
1362         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1363         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1364         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1365         * c-convert.c (convert): Do not call fold on results of conversion
1366         functions when the result is a C_MAYBE_CONST_EXPR.
1367         * c-parser.c (c_parser_postfix_expression): Do not fold condition
1368         of __builtin_choose_expr.
1369         * c-typeck.c (remove_c_maybe_const_expr): New.
1370         (build_unary_op, build_conditional_expr, build_compound_expr,
1371         build_binary_op, c_objc_common_truthvalue_conversion): Call
1372         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1373         integer operands.
1375 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1377         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
1378         CODE to produce a new one. Add a prototype to use fold_convert_const
1380 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
1382         PR bootstrap/39660
1383         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1384         mix declarations and code.
1386 2009-04-08  Ben Elliston  <bje@au.ibm.com>
1388         * gcc.c: Replace `CC' with `GCC' throughout.
1390 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1392         * doc/invoke.texi: Document Atom support.
1394 2009-04-07  Jason Merrill  <jason@redhat.com>
1396         PR c++/25185
1397         * c-common.h, c-common.c: Add flag_pretty_templates.
1398         * c-opts.c (c_common_handle_option): Set it.
1399         * c.opt: Add -fno-pretty-templates.
1400         * doc/invoke.texi (C++ Dialect Options): Likewise.
1402 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
1404         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1405         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1406         (ia64_expand_builtin): Likewise.
1408 2009-04-07  Martin Jambor  <mjambor@suse.cz>
1410         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1411         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1412         ADDR_EXPRS are include too.
1414 2009-04-07  Richard Guenther  <rguenther@suse.de>
1416         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1417         decls are only used if passes as parameters or if they are
1418         local statics and the call is not to a builtin.
1419         (call_may_clobber_ref_p_1): Likewise.
1421 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1423         * expr.c (do_store_flag): Remove last argument.  Simplify code
1424         to avoid duplication of tests already done by can_compare_p.
1425         (expand_expr_real_1): Adjust caller.
1427 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1429         * optabs.c (can_compare_p): Test the predicate of a
1430         cbranch and cstore pattern.
1432 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1434         * expr.c (convert_move): Use emit_store_flag instead of
1435         "emulating" it.
1437 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1439         * config/i386/i386.c (ix86_compare_emitted): Remove.
1440         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1441         ix86_compare_op0 like ix86_compare_emitted used to be handled.
1442         * config/i386/i386.h (ix86_compare_emitted): Remove.
1443         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1444         instead of ix86_compare_emitted.
1445         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1447 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
1449         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1450         Add t-sysroot-suffix to tmake_file.
1451         * config/print-sysroot-suffix.sh: New file.
1452         * config/t-sysroot-suffix: New file.
1454 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1456         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1457         as the latter produces a warning when the target does not support
1458         infinity.
1460 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1462         * dfp.c: Replace type punning assignments with memcpy throughout.
1463         * Makefile.in (dfp.o-warn): Remove.
1464         
1465 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
1467         PR target/39634
1468         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1469         Include soft-fp/t-softfp after rs6000/t-linux64.
1471 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1473         * stor-layout.c (set_sizetype): Use the full precision of their
1474         machine mode for bitsize types.
1476 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
1478         * config/i386/i386.md: Revert 2 accidental checkins.
1480 2009-04-06  Joey Ye  <joey.ye@intel.com>
1481             Xuepeng Guo <xuepeng.guo@intel.com>
1482             H.J. Lu  <hongjiu.lu@intel.com>
1484         Atom pipeline model, tuning and insn selection.
1485         * config.gcc (atom): Add atom config options and target.
1487         * config/i386/atom.md: New.
1489         * config/i386/i386.c (atom_cost): New cost.
1490         (m_ATOM): New macro flag.
1491         (initial_ix86_tune_features): Set m_ATOM.
1492         (x86_accumulate_outgoing_args): Likewise.
1493         (x86_arch_always_fancy_math_387): Likewise.
1494         (processor_target): Add Atom cost.
1495         (cpu_names): Add Atom cpu name.
1496         (override_options): Set Atom ISA.
1497         (ix86_issue_rate): New case PROCESSOR_ATOM.
1498         (ix86_adjust_cost): Likewise.
1500         * config/i386/i386.h (TARGET_ATOM): New target macro.
1501         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1502         (TARGET_OPT_AGU): New target option.
1503         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1504         (processor_type): Add PROCESSOR_ATOM.
1506         * config/i386/i386.md (cpu): Add new value "atom".
1507         (use_carry, movu): New attr.
1508         (atom.md): Include atom.md.
1509         (adddi3_carry_rex64): Set attr "use_carry".
1510         (addqi3_carry): Likewise.
1511         (addhi3_carry): Likewise.
1512         (addsi3_carry): Likewise.
1513         (*addsi3_carry_zext): Likewise.
1514         (subdi3_carry_rex64): Likewise.
1515         (subqi3_carry): Likewise.
1516         (subhi3_carry): Likewise.
1517         (subsi3_carry): Likewise.
1518         (x86_movdicc_0_m1_rex64): Likewise.
1519         (*x86_movdicc_0_m1_se): Likewise.
1520         (x86_movsicc_0_m1): Likewise.
1521         (*x86_movsicc_0_m1_se): Likewise.
1522         (*adddi_1_rex64): Emit add insn as much as possible.
1523         (*addsi_1): Likewise.
1524         (return_internal): Set atom_unit.
1525         (return_internal_long): Likewise.
1526         (return_pop_internal): Likewise.
1527         (*rcpsf2_sse): Set atom_sse_attr attr.
1528         (*qrt<mode>2_sse): Likewise.
1529         (*prefetch_sse): Likewise.
1531         * config/i386/i386-c.c (ix86_target_macros_internal): New case
1532         PROCESSOR_ATOM.
1533         (ix86_target_macros_internal): Likewise.
1535         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1536         (*prefetch_sse_rex): Likewise.
1537         (sse_rcpv4sf2): Likewise.
1538         (sse_vmrcpv4sf2): Likewise.
1539         (sse_sqrtv4sf2): Likewise.
1540         (<sse>_vmsqrt<mode>2): Likewise.
1541         (sse_ldmxcsr): Likewise.
1542         (sse_stmxcsr): Likewise.
1543         (*sse_sfence): Likewise.
1544         (sse2_clflush): Likewise.
1545         (*sse2_mfence): Likewise.
1546         (*sse2_lfence): Likewise.
1547         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1548         (<sse>_movup<ssemodesuffixf2c>): Likewise.
1549         (avx_movdqu<avxmodesuffix>): Likewise.
1550         (avx_lddqu<avxmodesuffix>): Likewise.
1551         (sse2_movntv2di): Change attr "type" to "ssemov".
1552         (sse2_movntsi): Likewise.
1553         (rsqrtv8sf2): Change attr "type" to "sseadd".
1554         (sse3_addsubv2df3): Set attr "atom_unit".
1555         (sse3_h<plusminus_insn>v4sf3): Likewise.
1556         (*sse2_pmaddwd): Likewise.
1557         (*vec_extractv2di_1_rex64): Likewise.
1558         (*vec_extractv2di_1_avx): Likewise.
1559         (sse2_psadbw): Likewise.
1560         (ssse3_phaddwv8hi3): Likewise.
1561         (ssse3_phaddwv4hi3): Likewise.
1562         (ssse3_phadddv4si3): Likewise.
1563         (ssse3_phadddv2si3): Likewise.
1564         (ssse3_phaddswv8hi3): Likewise.
1565         (ssse3_phaddswv4hi3): Likewise.
1566         (ssse3_phsubwv8hi3): Likewise.
1567         (ssse3_phsubwv4hi3): Likewise.
1568         (ssse3_phsubdv4si3): Likewise.
1569         (ssse3_phsubdv2si3): Likewise.
1570         (ssse3_phsubswv8hi3): Likewise.
1571         (ssse3_phsubswv4hi3): Likewise.
1572         (ssse3_pmaddubsw128): Likewise.
1573         (sse3_pmaddubsw: Likewise.
1574         (ssse3_palignrti): Likewise.
1575         (ssse3_palignrdi): Likewise.
1577 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1579         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1581 2009-04-06  Richard Guenther  <rguenther@suse.de>
1583         PR tree-optimization/28868
1584         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1585         of which PHI results we inserted.
1586         (insert_into_preds_of_block): Record inserted PHIs.
1587         (eliminate): Eliminate redundant PHI nodes.
1588         (init_pre): Init inserted_phi_names.
1590 2009-04-06  Richard Guenther  <rguenther@suse.de>
1592         PR tree-optimization/39643
1593         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1594         IMAGPART_EXPRs of complex constants.
1595         (execute_fold_all_builtins): If we folded a call queue
1596         TODO_update_address_taken.
1598 2009-04-06  Jan Hubicka  <jh@suse.cz>
1600         PR middle-end/39659
1601         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1602         flag.
1604 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1606         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1607         delay slot.
1608         (ic_invalidate_array): Likewise.
1610 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1612         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1613         alignment for library calls.
1615 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1617         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1618         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1619         * config/i386/mingw-stdint.h:  New file.
1621 2009-04-05  Richard Guenther  <rguenther@suse.de>
1623         PR tree-optimization/39648
1624         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1625         our &A vs. &A[0] IL deficiencies.
1627 2009-04-04  Jan Hubicka  <jh@suse.cz>
1629         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1630         removed toplevel regions.
1631         (sjlj_mark_call_sites): Likewise.
1633 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1635         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1636         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1637         * config/i386/cygwin-stdint.h:  New file.
1639 2009-04-04  Richard Guenther  <rguenther@suse.de>
1641         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1642         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1643         single-argument PHIs if we are in loop-closed SSA form.
1644         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1645         for the pre-condition.
1646         (slpeel_tree_peel_loop_to_edge): Likewise.
1647         (vect_build_loop_niters): Take an optional sequence to append stmts.
1648         (vect_generate_tmps_on_preheader): Likewise.
1649         (vect_do_peeling_for_loop_bound): Take extra guards for the
1650         pre-condition.
1651         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1652         the cost model check.
1653         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1654         guards if we are going to peel.  Do not apply versioning in that case.
1655         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1656         (vect_do_peeling_for_loop_bound): Likewise.
1657         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1658         loop bound only record extra pre-conditions, do not apply loop
1659         versioning.
1661 2009-04-04  Richard Guenther  <rguenther@suse.de>
1663         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1664         renaming code.
1666 2009-04-04  Jan Hubicka  <jh@suse.cz>
1668         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1669         last_basic_block for size of bb->index indexed array.
1670         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1671         compute_out, link_btr_uses, build_btr_def_use_webs,
1672         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1674 2009-04-04  Jan Hubicka  <jh@suse.cz>
1676         * except.c (remove_eh_handler_and_replace): Break out from ...
1677         (remove_eh_handler): ... here.
1678         (bring_to_root): New function.
1679         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1680         handled ones, bring others to root of tree.
1682 2009-04-04  Jan Hubicka  <jh@suse.cz>
1684         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1685         (all_phis_safe_to_merge): New function.
1686         (update_info): New structure.
1687         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1688         (cleanup_empty_eh): Update SSA if possible.
1690 2009-04-04  Richard Guenther  <rguenther@suse.de>
1692         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1693         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1694         (append_vuse): Likewise.
1696 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1698         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1699         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1700         instead of REG_UNSAVED for DW_CFA_undefined.
1701         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1702         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1703         outermost frame.
1705 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1707         PR target/39501
1708         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1709         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1710         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1712 2009-04-04  Richard Guenther  <rguenther@suse.de>
1714         PR tree-optimization/8781
1715         PR tree-optimization/37892
1716         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1717         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1718         (valueize_refs): Call it for *& valueizations.
1719         (shared_reference_ops_from_ref): Rename to ...
1720         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1721         (shared_reference_ops_from_call): Rename to ...
1722         (valueize_shared_reference_ops_from_call): ... this and valueize.
1723         (vn_reference_lookup): Update.
1724         (visit_reference_op_call): Likewise.
1725         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1726         (eliminate): Value-replace the call address in call statements.
1728 2009-04-04  Richard Guenther  <rguenther@suse.de>
1730         PR tree-optimization/39636
1731         * tree-ssa-forwprop.c
1732         (forward_propagate_addr_into_variable_array_index): Check for
1733         GIMPLE_ASSIGN before accessing the rhs code.
1735 2009-04-03  Jason Merrill  <jason@redhat.com>
1737         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1739 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1741         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1742         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1743         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1744         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1745         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1746         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1747         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1748         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1749         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1750         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1751         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1752         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1753         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1754         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1755         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1756         Use fr_reg_or_fp01_operand instead of fr_register_operand
1758         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1759         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1760         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1762 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1764         PR rtl-optimization/39607
1765         PR rtl-optimization/39631
1767         Revert:
1768         
1769         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1770         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1771         instead of DF_LR_OUT.
1772         * ira-lives.c (process_bb_node_lives): Ditto.
1773         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1774         instead of DF_LR_{OUT,IN}.
1775         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1776         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1778 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1780         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1781         (execute_lower_omp): Always run but take the short way out if -fopenmp
1782         is not given.
1783         (gate_lower_omp): Remove, forcing the pass manager to always run the
1784         pass and always set PROP_gimple_lomp.
1785         (pass_lower_omp): Remove gate function.
1786         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1787         PROP_trees.  Instead, require it.
1788         * ipa-cp.c (pass_ipa_cp): Likewise.
1789         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1790         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1791         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1792         and PROP_gimple_leh.
1794 2009-04-03  Richard Guenther  <rguenther@suse.de>
1796         PR middle-end/13146
1797         PR tree-optimization/23940
1798         PR tree-optimization/33237
1799         PR middle-end/33974
1800         PR middle-end/34093
1801         PR tree-optimization/36201
1802         PR tree-optimization/36230
1803         PR tree-optimization/38049
1804         PR tree-optimization/38207
1805         PR tree-optimization/38230
1806         PR tree-optimization/38301
1807         PR tree-optimization/38585
1808         PR middle-end/38895
1809         PR tree-optimization/38985
1810         PR tree-optimization/39299
1811         * tree-ssa-structalias.h: Remove.
1812         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1813         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1814         (struct vuse_element_d): Remove.
1815         (struct vuse_vec_d): Likewise.
1816         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1817         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1818         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1819         VUSE_ELEMENT_VAR): Likewise.
1820         (struct voptype_d): Likewise.
1821         (NUM_VOP_FREE_BUCKETS): Likewise.
1822         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1823         (struct stmt_operands_d): Remove.
1824         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1825         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1826         VDEF_NUM, VDEF_VECT): Likewise.
1827         (copy_virtual_operands): Remove.
1828         (operand_build_cmp): Likewise.
1829         (create_ssa_artificial_load_stmt): Likewise.
1830         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1831         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1832         vuse_index and mayuse_index members.  Pack and move done and iter_type
1833         members to the front.
1834         (SSA_OP_VMAYUSE): Remove.
1835         (SSA_OP_VIRTUAL_USES): Adjust.
1836         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1837         (unlink_stmt_vdef): Declare.
1838         (add_to_addressable_set): Remove.
1839         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1840         (vrp_visit_stmt): Likewise.
1841         * doc/tree-ssa.texi (Alias analysis): Update.
1842         * doc/invoke.texi (max-aliased-vops): Remove docs.
1843         (avg-aliased-vops): Likewise.
1844         * tree-into-ssa.c (syms_to_rename): Remove.
1845         (need_to_update_vops_p): Likewise.
1846         (need_to_initialize_update_ssa_p): Rename to ...
1847         (update_ssa_initialized_fn): ... this.  Track function we are
1848         initialized for.
1849         (symbol_marked_for_renaming): Simplify.
1850         (add_new_name_mapping): Do not set need_to_update_vops_p.
1851         (dump_currdefs): Use SYMS_TO_RENAME.
1852         (rewrite_update_stmt): Always walk all uses/defs.
1853         (dump_update_ssa): Adjust.
1854         (init_update_ssa): Take function argument.  Track what we are
1855         initialized for.
1856         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1857         (create_new_def_for): Initialize for cfun, assert we are initialized
1858         for cfun.
1859         (mark_sym_for_renaming): Simplify.
1860         (mark_set_for_renaming): Do not initialize update-ssa.
1861         (need_ssa_update_p): Simplify.  Take function argument.
1862         (name_mappings_registered_p): Assert we ask for the correct function.
1863         (name_registered_for_update_p): Likewise.
1864         (ssa_names_to_replace): Likewise.
1865         (release_ssa_name_after_update_ssa): Likewise.
1866         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
1867         (dump_decl_set): Do not print a newline.
1868         (debug_decl_set): Do it here.
1869         (dump_update_ssa): And here.
1870         * tree-ssa-loop-im.c (move_computations): Adjust.
1871         (movement_possibility): Likewise.
1872         (determine_max_movement): Likewise.
1873         (gather_mem_refs_stmt): Likewise.
1874         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1875         or NAME_MEMORY_TAG.
1876         * tree-complex.c (update_all_vops): Remove.
1877         (expand_complex_move): Adjust.
1878         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1879         Simplify test for memory referencing statement.  Exclude
1880         non-invariant ADDR_EXPRs.
1881         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1882         * tree-loop-distribution.c (generate_memset_zero): Adjust.
1883         (rdg_flag_uses): Likewise.
1884         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1885         related code.
1886         (tree_optimize_tail_calls_1): Also split the
1887         edge from the entry block if we have degenerate PHI nodes in
1888         the first basic block.
1889         * tree.c (init_ttree): Remove memory-tag related code.
1890         (tree_code_size): Likewise.
1891         (tree_node_structure): Likewise.
1892         (build7_stat): Re-write to be build6_stat.
1893         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1894         (SSA_VAR_P): Adjust.
1895         (struct tree_memory_tag): Remove.
1896         (struct tree_memory_partition_tag): Likewise.
1897         (union tree_node): Adjust.
1898         (build7): Re-write to be build6.
1899         * tree-pass.h (pass_reset_cc_flags): Remove.
1900         (TODO_update_address_taken): New flag.
1901         (pass_simple_dse): Remove.
1902         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1903         * params.h (MAX_ALIASED_VOPS): Remove.
1904         (AVG_ALIASED_VOPS): Likewise.
1905         * omp-low.c (expand_omp_taskreg): Update SSA form.
1906         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1907         aliases the lhs in a copy stmt.
1908         * tree-ssa-dse.c (struct address_walk_data): Remove.
1909         (memory_ssa_name_same): Likewise.
1910         (memory_address_same): Likewise.
1911         (get_kill_of_stmt_lhs): Likewise.
1912         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
1913         unused stores.  Look through PHI nodes into post-dominated regions.
1914         (dse_optimize_stmt): Simplify.  Properly remove stores.
1915         (tree_ssa_dse): Compute dominators.
1916         (execute_simple_dse): Remove.
1917         (pass_simple_dse): Likewise.
1918         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1919         gimple_loaded_syms and gimple_stored_syms computation.
1920         * toplev.c (dump_memory_report): Dump alias and pta stats.
1921         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1922         (vn_reference_eq): Likewise.
1923         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1924         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1925         valueize_vuses): Remove.
1926         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
1927         (get_def_ref_stmt_vuse): ... this.
1928         (vn_reference_lookup_2): New function.
1929         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1930         walking equivalent vuses.  Simplify.
1931         (vn_reference_lookup): Likewise.
1932         (vn_reference_insert): Likewise.
1933         (vn_reference_insert_pieces): Likewise.
1934         (visit_reference_op_call): Simplify.
1935         (visit_reference_op_load): Likewise.
1936         (visit_reference_op_store): Likewise.
1937         (init_scc_vn): Remove shared_lookup_vuses initialization.
1938         (free_scc_vn): Remove shared_lookup_vuses freeing.
1939         (sort_vuses, sort_vuses_heap): Remove.
1940         (get_ref_from_reference_ops): Export.
1941         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1942         vector with single vuse pointer.
1943         (vn_reference_lookup_pieces, vn_reference_lookup,
1944         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1945         (shared_vuses_from_stmt): Remove.
1946         (get_ref_from_reference_ops): Declare.
1947         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1948         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1949         memory-tag related code.
1950         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1951         (likely_value): Add comment, skip static-chain of call statements.
1952         (surely_varying_stmt_p): Adjust.
1953         (gimplify_and_update_call_from_tree): Likewise.
1954         (execute_fold_all_builtins): Do not rebuild alias info.
1955         (gimplify_and_update_call_from_tree): Properly update VOPs.
1956         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1957         (copy_ref_info): Remove memory-tag related code.
1958         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1959         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1960         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1961         computation.
1962         * tree-ssa-dom.c (gimple_p): Remove typedef.
1963         (eliminate_redundant_computations): Adjust.
1964         (record_equivalences_from_stmt): Likewise.
1965         (avail_expr_hash): Likewise.
1966         (avail_expr_eq): Likewise.
1967         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1968         (stmt_makes_single_load): Likewise.
1969         (stmt_makes_single_store): Likewise.
1970         * tree-ssa-alias.c: Rewrite completely.
1971         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1972         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1973         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1974         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1975         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1976         Remove public functions.
1977         (pass_reset_cc_flags): Remove.
1978         (pass_build_alias): Move ...
1979         * tree-ssa-structalias.c (pass_build_alias): ... here.
1980         * tree-ssa-alias.c (may_be_aliased): Move ...
1981         * tree-flow-inline.h (may_be_aliased): ... here.
1982         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1983         count_uses_and_derefs): Move ...
1984         * gimple.c: ... here.
1985         * gimple.h (count_uses_and_derefs): Declare.
1986         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1987         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1988         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1989         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1990         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1991         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1992         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1993         New functions.
1994         * tree-dfa.c (refs_may_alias_p): Move ...
1995         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
1996         * tree-ssa-alias.h: New file.
1997         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1998         (statement_sink_location): Likewise.
1999         * opts.c (decode_options): Do not adjust max-aliased-vops or
2000         avg-aliased-vops values.
2001         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
2002         (TV_CALL_CLOBBER): Likewise.
2003         (TV_FLOW_SENSITIVE): Likewise.
2004         (TV_FLOW_INSENSITIVE): Likewise.
2005         (TV_MEMORY_PARTITIONING): Likewise.
2006         (TV_ALIAS_STMT_WALK): New timevar.
2007         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
2008         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
2009         (get_address_description): Remove memory-tag related code.
2010         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
2011         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
2012         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
2013         and immediate uses in statements.  Document.
2014         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
2015         (dump_symbols): Remove.
2016         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
2017         * alias.c (get_deref_alias_set): New function split out from ...
2018         (get_alias_set): ... here.
2019         * alias.h (get_deref_alias_set): Declare.
2020         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
2021         type parameter.  Remove restrict pointer handling.  Create a
2022         ref-all pointer in case type-based alias sets do not conflict.
2023         (vect_analyze_data_refs): Remove SMT related code.
2024         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
2025         (vectorizable_load): Likewise.
2026         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
2027         (DR_SYMBOL_TAG, DR_VOPS): Remove.
2028         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
2029         Ignore vops and SMTs.
2030         (dr_analyze_alias): Likewise..
2031         (free_data_ref): Likewise.
2032         (create_data_ref): Likewise.
2033         (analyze_all_data_dependences): Likewise.
2034         (get_references_in_stmt): Adjust.
2035         * tree-flow-inline.h (gimple_aliases_computed_p,
2036         gimple_addressable_vars, gimple_call_clobbered_vars,
2037         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
2038         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
2039         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
2040         gimple_mem_ref_stats): Remove.
2041         (gimple_vop): New function.
2042         (op_iter_next_use): Remove vuses and mayuses cases.
2043         (op_iter_next_def): Remove vdefs case.
2044         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
2045         (clear_and_done_ssa_iter): Do not set removed fields.
2046         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
2047         Assert we are not iterating over vuses or vdefs if not also
2048         iterating over uses or defs.
2049         (op_iter_init_use): Likewise.
2050         (op_iter_init_def): Likewise.
2051         (op_iter_next_vdef): Remove.
2052         (op_iter_next_mustdef): Likewise.
2053         (op_iter_init_vdef): Likewise.
2054         (compare_ssa_operands_equal): Likewise.
2055         (link_use_stmts_after): Handle vuse operand.
2056         (is_call_used): Use is_call_clobbered.
2057         (is_call_clobbered): Global variables are always call clobbered,
2058         query the call-clobbers bitmap.
2059         (mark_call_clobbered): Ignore global variables.
2060         (clear_call_clobbered): Likewise.
2061         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
2062         virtual operands sanity check.
2063         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
2064         Remove.
2065         (TARGET_MEM_REF): Remove TMR_TAG operand.
2066         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
2067         Remove call-clobber related code.
2068         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
2069         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
2070         partitions or escape reason.
2071         (get_single_def_stmt, get_single_def_stmt_from_phi,
2072         get_single_def_stmt_with_phi): Remove.
2073         (dump_referenced_vars): Tidy.
2074         (get_ref_base_and_extent): Allow bare decls.
2075         (collect_dfa_stats): Adjust.
2076         * graphite.c (rename_variables_in_stmt): Adjust.
2077         (graphite_copy_stmts_from_block): Likewise.
2078         (translate_clast): Likewise.
2079         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
2080         (EXPR_DIES): New.
2081         (translate_vuse_through_block): Use the oracle.
2082         (phi_translate_1): Adjust.
2083         (value_dies_in_block_x): Use the oracle.  Cache the outcome
2084         in EXPR_DIES.
2085         (valid_in_sets): Check if the VUSE for
2086         a REFERENCE is available.
2087         (eliminate): Do not remove stmts during elimination,
2088         instead queue and remove them afterwards.
2089         (do_pre): Do not rebuild alias info.
2090         (pass_pre): Run TODO_rebuild_alias before PRE.
2091         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
2092         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
2093         (mark_all_v_defs_stmt): Remove.
2094         (mark_all_v_defs_seq): Adjust.
2095         (sra_replace): Likewise.
2096         (scalarize_use): Likewise.
2097         (scalarize_copy): Likewise.
2098         (scalarize_init): Likewise.
2099         (scalarize_ldst): Likewise.
2100         (todoflags): Remove.
2101         (tree_sra): Do not rebuild alias info.
2102         (tree_sra_early): Adjust.
2103         (pass_sra): Run TODO_update_address_taken before SRA.
2104         * tree-predcom.c (set_alias_info): Remove.
2105         (prepare_initializers_chain): Do not call it.
2106         (mark_virtual_ops_for_renaming): Adjust.
2107         (mark_virtual_ops_for_renaming_list): Remove.
2108         (initialize_root_vars): Adjust.
2109         (initialize_root_vars_lm): Likewise.
2110         (prepare_initializers_chain): Likewise.
2111         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
2112         (may_propagate_copy_into_stmt): Likewise.
2113         (merge_alias_info): Do nothing for now.
2114         (propagate_tree_value_into_stmt): Adjust.
2115         (stmt_may_generate_copy): Likewise.
2116         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
2117         not mark symbols for renaming.
2118         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
2119         with the same statement, make sure to update the new pointed-to one.
2120         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
2121         call statements, do not mark symbols for renaming.
2122         (mark_operand_necessary): Dump something.
2123         (ref_may_be_aliased): New function.
2124         (mark_aliased_reaching_defs_necessary_1): New helper function.
2125         (mark_aliased_reaching_defs_necessary): Likewise.
2126         (mark_all_reaching_defs_necessary_1): Likewise.
2127         (mark_all_reaching_defs_necessary): Likewise.
2128         (propagate_necessity): Do not process virtual PHIs.  For
2129         non-aliased loads mark all reaching definitions as necessary.
2130         For aliased loads and stores mark the immediate dominating
2131         aliased clobbers as necessary.
2132         (visited): New global static.
2133         (perform_tree_ssa_dce): Free visited bitmap after propagating
2134         necessity.
2135         (remove_dead_phis): Perform simple dead virtual PHI removal.
2136         (remove_dead_stmt): Properly unlink virtual operands when
2137         removing stores.
2138         (eliminate_unnecessary_stmts): Schedule PHI removal after
2139         stmt removal.
2140         * tree-ssa-ter.c (is_replaceable_p): Adjust.
2141         (process_replaceable): Likewise.
2142         (find_replaceable_in_bb): Likewise.
2143         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2144         based on the single gimple vop.
2145         (verify_flow_insensitive_alias_info): Remove.
2146         (verify_flow_sensitive_alias_info): Likewise.
2147         (verify_call_clobbering): Likewise.
2148         (verify_memory_partitions): Likewise.
2149         (verify_alias_info): Likewise.
2150         (verify_ssa): Adjust..
2151         (execute_update_addresses_taken): Export.  Update SSA
2152         manually.  Optimize only when optimizing.  Use a local bitmap.
2153         (pass_update_address_taken): Remove TODO_update_ssa, add
2154         TODO_dump_func.
2155         (pass_update_address_taken): Just use TODO_update_address_taken.
2156         (init_tree_ssa): Do not initialize addressable_vars.
2157         (verify_ssa): Verify new VUSE / VDEF properties.
2158         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2159         Do not call verify_alias_info.
2160         (delete_tree_ssa): Clear the VUSE, VDEF operands.
2161         Do not free the loaded and stored syms bitmaps.  Reset the escaped
2162         and callused solutions.  Do not free addressable_vars.
2163         Remove memory-tag related code.
2164         (warn_uninitialized_var): Aliases are always available.
2165         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2166         * lambda-code.c (can_put_in_inner_loop): Adjust.
2167         (can_put_after_inner_loop): Likewise.
2168         (perfect_nestify): Likewise.
2169         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2170         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2171         (vectorizable_conversion): Do not mark symbols for renaming.
2172         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2173         (expand_call_inline): Unlink the calls virtual operands before
2174         replacing it.
2175         (tree_function_versioning): Do not call update_ssa if we are not
2176         updating clones.  Simplify.
2177         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2178         (propagate_with_phi): Likewise..
2179         * tree-outof-ssa.c (create_temp): Remove memory tag and call
2180         clobber code.  Assert we are not aliased or global.
2181         * tree-flow.h: Include tree-ssa-alias.h
2182         (enum escape_type): Remove.
2183         (struct mem_sym_stats_d): Likewise.
2184         (struct mem_ref_stats_d): Likewise.
2185         (struct gimple_df): Add vop member.  Remove global_var,
2186         call_clobbered_vars, call_used_vars, addressable_vars,
2187         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
2188         escaped and callused members.
2189         (struct ptr_info_def): Remove all members, add points-to solution
2190         member pt.
2191         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2192         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2193         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2194         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2195         (tree-ssa-alias.o): Likewise.
2196         (toplev.o): Add tree-ssa-alias.h
2197         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2198         * gimple.c (gimple_set_bb): Fix off-by-one error.
2199         (is_gimple_reg): Do not handle memory tags.
2200         (gimple_copy): Also copy virtual operands.
2201         Delay updating the statement.  Do not reset loaded and stored syms.
2202         (gimple_set_stored_syms): Remove.
2203         (gimple_set_loaded_syms): Likewise.
2204         (gimple_call_copy_skip_args): Copy the virtual operands
2205         and mark the new statement modified.
2206         * tree-ssa-structalias.c (may_alias_p): Remove.
2207         (set_uids_in_ptset): Take the alias set to prune with as
2208         parameter.  Fold in the alias test of may_alias_p.
2209         (compute_points_to_sets): Compute whether a ptr is dereferenced
2210         in a local sbitmap.
2211         (process_constraint): Deal with &ANYTHING on the lhs, reject all
2212         other ADDRESSOF constraints on the lhs.
2213         (get_constraint_for_component_ref): Assert that we don't get
2214         ADDRESSOF constraints from the base of the reference.
2215         Properly generate UNKNOWN_OFFSET for DEREF if needed.
2216         (struct variable_info): Remove collapsed_to member.
2217         (get_varinfo_fc): Remove.
2218         (new_var_info): Do not set collapsed_to.
2219         (dump_constraint): Do not follow cycles.
2220         (dump_constraint_graph): Likewise.
2221         (build_pred_graph): Likewise.
2222         (build_succ_graph): Likewise.
2223         (rewrite_constraints): Likewise.
2224         (do_simple_structure_copy): Remove.
2225         (do_rhs_deref_structure_copy): Remove.
2226         (do_lhs_deref_structure_copy): Remove.
2227         (collapse_rest_of_var): Remove.
2228         (do_structure_copy): Re-implement.
2229         (pta_stats): New global variable.
2230         (dump_pta_stats): New function.
2231         (struct constraint_expr): Make offset signed.
2232         (UNKNOWN_OFFSET): Define special value.
2233         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2234         (solution_set_expand): New helper function split out from ...
2235         (do_sd_constraint): ... here.
2236         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
2237         (do_ds_constraint): Likewise.
2238         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
2239         and CALLUSED = *CALLUSED.
2240         (set_union_with_increment): Make inc argument signed.
2241         (type_safe): Remove.
2242         (get_constraint_for_ptr_offset): Handle unknown and negative
2243         constant offsets.
2244         (first_vi_for_offset): Handle offsets before start.  Bail
2245         out early for offsets beyond the variable extent.
2246         (first_or_preceding_vi_for_offset): New function.
2247         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2248         Together with ESCAPED = *ESCAPED this properly computes reachability.
2249         (find_what_var_points_to): New function.
2250         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2251         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2252         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2253         pt_solutions_intersect): New functions.
2254         (compute_call_used_vars): Remove.
2255         (compute_may_aliases): New main entry into PTA computation.
2256         * gimple.h (gimple_p): New typedef.
2257         (struct gimple_statement_base): Remove references_memory_p.
2258         (struct gimple_statement_with_memory_ops_base): Remove
2259         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
2260         members.
2261         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2262         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2263         gimple_set_references_memory): Remove.
2264         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2265         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2266         New functions.
2267         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2268         (verify_expr): Allow RESULT_DECL.
2269         (gimple_duplicate_bb): Do not copy virtual operands.
2270         (gimple_duplicate_sese_region): Adjust.
2271         (gimple_duplicate_sese_tail): Likewise.
2272         (mark_virtual_ops_in_region): Remove.
2273         (move_sese_region_to_fn): Do not call it.
2274         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2275         and pass_simple_dse.
2276         (execute_function_todo): Handle TODO_update_address_taken,
2277         call execute_update_addresses_taken for TODO_rebuild_alias.
2278         (execute_todo): Adjust.
2279         (execute_one_pass): Init dump files early.
2280         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2281         call-clobbered.
2282         (create_general_new_stmt): Clear vops.
2283         * tree-ssa-reassoc.c (get_rank): Adjust.
2284         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2285         symbols for renaming.
2286         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2287         (PARAM_AVG_ALIASED_VOPS): Likewise.
2288         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2289         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2290         * tree-ssa-operands.c: Simplify for new virtual operand representation.
2291         (operand_build_cmp, copy_virtual_operands,
2292         create_ssa_artificial_load_stmt, add_to_addressable_set,
2293         gimple_add_to_addresses_taken): Remove public functions.
2294         (unlink_stmt_vdef): New function.
2296 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2298         * config.gcc (powerpc-*-linux*): Merge variants.
2300 2009-04-02  Chao-ying Fu  <fu@mips.com>
2301             James Grosbach <james.grosbach@microchip.com>
2303         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2304         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2305         cop0_sp_offset.
2306         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2307         keep_interrupts_masked_p, use_debug_exception_return_p.
2308         (mips_attribute_table): Add interrupt, use_shadow_register_set,
2309         keep_interrupts_masked, use_debug_exception_return.
2310         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2311         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2312         New functions.
2313         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2314         (mips_print_operand): Process COP0 registers to print $0 .. $31
2315         correctly for GAS to process.
2316         (mips_interrupt_extra_call_saved_reg_p): New function.
2317         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2318         extra registers.
2319         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2320         (mips_compute_frame_info): Add supports for interrupt context that
2321         includes doubleword accumulators and COP0 registers.
2322         (mips_for_each_saved_acc): New function.
2323         (mips_for_each_saved_gpr_and_fpr): Change the function name from
2324         mips_for_each_saved_reg.
2325         (mips_save_reg): Save accumulators.
2326         (mips_kernel_reg_p): A new for_each_rtx callback.
2327         (mips_expand_prologue): Support interrupt handlers.
2328         (mips_restore_reg): Restore accumulators.
2329         (mips_expand_epilogue): Support interrupt handlers.
2330         (mips_can_use_return_insn): Return false for interrupt handlers.
2331         (mips_epilogue_uses): New function.
2332         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2333         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2334         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2335         cop0_move): New instructions.
2336         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2337         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2338         defines.
2339         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2340         New defines.
2341         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2342         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2343         interrupt handlers, we use K0 as the temporary register.
2344         (EPILOGUE_USES): Change to a function call.
2345         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2346         handlers, we use K0 as the temporary register.
2347         
2348         * doc/extend.texi (Function Attributes): Document interrupt,
2349         use_shadow_register_set, keep_interrupts_masked,
2350         use_debug_exception_return for MIPS attributes.
2352 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2354         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2355         Remove a number of t-files from tmake_file.
2356         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2357         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2358         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2359         target_prototype, not TARGET_PROTOTYPE.
2360         (LINK_OS_GNU_SPEC): Define.
2361         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2362         and darwin-ldoubdle.c.
2364 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2366         PR driver/39293
2367         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2368         (cpp_options): Ditto.
2369         (default_compilers): Ditto.
2370         (display_help): Ditto.
2371         (process_command): Ditto.
2372         (do_spec_1): Ditto.
2373         (set_input): Use lbasename instead of duplicate code.
2374         (save_temps_prefix): New static for -save-temps=obj.
2375         (save_temps_length): Ditto.
2376         
2377         * doc/invoke.texi (-save-temps=obj): Document new variant to
2378         -save-temps switch.
2380 2009-04-02  Jeff Law  <law@redhat.com>
2382         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2383         variable.
2385 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2387         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2388         * configure: Regenerated.
2390 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2392         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2393         share the argument list.
2395 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2397         Merge
2399         2009-02-12  Diego Novillo  <dnovillo@google.com>
2401         * varpool.c (debug_varpool): New.
2402         * cgraph.h (debug_varpool): Declare.
2404 2009-04-02  Jan Hubicka  <jh@suse.cz>
2406         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2407         pass.
2409 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2411         * config/i386/i386.c (ix86_abi): Move initialization to ...
2412         (override_options): Here.
2414 2009-04-02  Christian Bruel  <christian.bruel@st.com>
2416         * config/sh/sh.c (sh_dwarf_register_span): New function.
2417         (TARGET_DWARF_REGISTER_SPAN): Define.
2418         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2419         
2420 2009-04-02  Ira Rosen  <irar@il.ibm.com>
2422         PR tree-optimization/39595
2423         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
2424         interleaved loads group is not  greater than the SLP group size.
2426 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2428         * builtins.c (is_builtin_name): New.
2429         (called_as_built_in): Use is_builtin_name.
2430         * tree.h (is_builtin_name): New.
2431         * varasm.c (incorporeal_function_p): Use is_builtin_name
2433 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
2435         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2437 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
2439         PR c++/26693
2440         * c-decl.c (clone_underlying_type): Move this ...
2441         * c-common.c (set_underlying_type): ... here.
2442         Also, make sure the function properly sets TYPE_STUB_DECL() on
2443         the newly created typedef variant type.
2444         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2445         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2446         points.
2448 2009-04-02  Richard Guenther  <rguenther@suse.de>
2450         PR tree-optimization/37221
2451         * tree-flow.h (degenerate_phi_result): Declare.
2452         * tree-ssa-dom.c (degenerate_phi_result): Export.
2453         * tree-scalar-evolution.c (analyze_initial_condition): If
2454         the initial condition is defined by a degenerate PHI node
2455         use the degenerate value.
2457 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
2459         PR rtl-optimization/39588
2460         * combine.c (merge_outer_ops): Do not set the constant when this
2461         is not necessary.
2462         (simplify_shift_const_1): Do not modify it either in this case.
2464 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2466         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2467         tuning is deprecated if -mtune value is set to an Itanium1 variant.
2469 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
2471         PR c/29027
2472         * c-lex.c (interpret_float): Default (no suffix) is double.
2474 2009-04-1  Xinliang David Li  <davidxl@google.com>
2476         * config/i386/i386.c (legitimate_constant_p): Recognize
2477         all one vector constant.
2479 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2481         * gcc/config/vax/vax.c: Add #includes to silence warnings.
2482         Change #include order to silence two warnings.
2484 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2486         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2487         (ASM_SPEC): Pass -k to the assembler for PIC code.
2489 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2491         * gcc/config.gcc: Add vax-*-linux* to the switch.
2492         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2493         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2495 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2497         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2498         Use predicate macros instead of GET_CODE() == foo.
2499         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2500         ashlsi3, rotrsi3, <unnamed>): Likewise.
2502 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2504         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2505         jbbccihi, jbbccisi): Remova trailing whitespace.
2506         * gcc/config/vax/constraints.md: Likewise.
2507         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2508         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2509         * gcc/config/vax/predicates.md: Likewise.
2510         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2511         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2512         * gcc/config/vax/vax.h: Likewise.
2513         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2515 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2517         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2518         (indirectable_address_p, adjacent_operands_p): Add spaces around
2519         braces.
2520         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2522 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2524         * gcc/config/vax/vax.c (legitimate_constant_address_p,
2525         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2526         index_term_p, reg_plus_index_p, legitimate_address_p,
2527         vax_mode_dependent_address_p): Update comments to match functions
2528         modified by the recent int->bool conversion.
2530 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2532         * gcc/config/vax/builtins.md: Update copyright message.
2533         * gcc/config/vax/constraints.md: Likewise.
2534         * gcc/config/vax/netbsd-elf.h: Likewise.
2535         * gcc/config/vax/predicates.md: Likewise.
2536         * gcc/config/vax/vax-protos.h: Likewise.
2537         * gcc/config/vax/vax.c: Likewise.
2538         * gcc/config/vax/vax.h: Likewise.
2539         * gcc/config/vax/vax.md: Likewise.
2540         * gcc/config/vax/vax.opt: Likewise.
2542 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2544         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2545         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2546         * gcc/config/vax/constraints.md (B, R): Likewise.
2547         * gcc/config/vax/predicates.md (external_memory_operand,
2548         nonimmediate_addsub_di_operand): Likewise.
2549         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2550         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2551         untyped_call): Likewise.
2553 2009-04-01  Matt Thomas <matt@3am-software.com>
2555         * config/vax/predicates.md: New file.
2556         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2557         external_const_operand, nonsymbolic_operand, external_memory_operand,
2558         indirect_memory_operand, indexed_memory_operand,
2559         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2560         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2561         predicate.
2562         * config/vax/constraints.md: New file.
2563         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2564         New constraint.
2565         * config/vax/builtins.md: New file.
2566         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2567         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2568         jbbccisi): Define.
2569         * config/vax/vax.opt (mqmath): Add option.
2570         * config/vax/vax.md (isfx): Extend with DI.
2571         (VAXintQH, VAXintQHSD): Define.
2572         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2573         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2574         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2575         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2576         (movdi): Update constraints and use vax_output_int_move().
2577         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2578         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2579         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2580         nonlocal_goto): New.
2581         (mov<mode>): Extend accepted operand types.
2582         (subdi3_old): Rename from subdi3, change update constraints and use
2583         a new implementation.
2584         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2585         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2586         MOVE_RATIO, CLEAR_RATIO): Define.
2587         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2588         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2589         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2590         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2591         (split_quadword_operands): Make static and really allow variable
2592         splitting.
2593         (print_operand_address): Update for PIC generation.
2594         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2595         indexable_address_p, fixup_mathdi_operand,
2596         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2597         (vax_float_literal, legitimate_constant_p,
2598         indirectable_constant_address_p, index_term_p,
2599         reg_plus_index_p): Return bool instead of int.
2600         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2601         where needed.
2602         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2603         generation.
2604         (vax_output_conditional_branch): Indent.
2605         (legitimate_constant_address_p, indirectable_constant_address_p,
2606         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2607         vax_mode_dependent_address_p): Return bool instead of int, update for
2608         PIC generation.
2609         * config/vax/vax-protos.h (legitimate_constant_address_p,
2610         legitimate_constant_p, legitimate_address_p,
2611         vax_mode_dependent_address_p): Change declaration to bool.
2612         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2613         vax_expand_addsub_di_operands, vax_output_int_subtract,
2614         vax_output_movmemsi): Declare.
2615         (split_quadword_operands, vax_float_literal): Delete declaration.
2616         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2617         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2618         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2619         ASM_OUTPUT_DWARF_PCREL): Define.
2620         (ASM_SPEC): Change definition to allow PIC generation.
2622 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2624         * doc/sourcebuild.texi: Update front-end requirements.
2626 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2628         PR target/39226
2629         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2630         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2631         (booldi3_internal3): Use boolean_or_operator instead of
2632         boolean_operator.
2634 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2636         PR c/39605
2637         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2638         declarator whose size is not an integer constant expression but
2639         folds to an integer constant, then treat it as a constant
2640         subsequently.
2642 2009-04-01  Richard Guenther  <rguenther@suse.de>
2644         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2645         i * 4 + 2 to (i * 2 + 1) * 2.
2647 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2649         PR c/37772
2650         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2651         return if c_parser_asm_string_literal returned NULL.
2653 2009-04-01  Nick Clifton  <nickc@redhat.com>
2655         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2656         already defined.
2657         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2658         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2659         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2660         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2661         include it.
2662         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2663         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2664         then include it.
2666 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2668         * varasm.c (default_function_rodata_section): Declare DOT as
2669         const char*.
2671 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2672             Andrey Galkin <agalkin@hypercom.com>
2674         PR/39492
2675         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2676         Make object_name unique for each process.
2678 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2680         PR other/39591
2681         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2682         addressable variables in the parallel that could go out of scope while
2683         running queued tasks.
2685 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2687         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2688         (CASE_VALUES_THRESHOLD): Redefine.
2689         * config/avr/avr.c (avr_override_options): Remove initialization of
2690         avr_case_values_threshold variable.
2691         (avr_case_values_threshold): Remove variable. Add new function.
2692         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2693         * config/avr/avr.opt (mno-tablejump): Remove option.
2694         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2696 2009-04-01  DJ Delorie  <dj@redhat.com>
2698         * varasm.c (default_function_rodata_section): Don't assume
2699         anything about where the first '.' in the section name is.
2701 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2703         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2704         rs6000_emit_stack_tie.
2706 2009-03-31  Ian Lance Taylor  <iant@google.com>
2708         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2709         gimple_code with GIMPLE_RESX, not RESX.
2711 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2713         * c-common.c (c_get_ident): New.
2714         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2716 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2718         * config/rs6000/sysv4.opt (msdata): Improve option description.
2720 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2722         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2723         (divdf3_internal_lat): Remove.
2724         (divxf3_internal_lat): Remove.
2725         (divxf3_internal_thr): Remove.
2726         (divxf): Use divxf3_internal.
2727         * config/ia64/div.md (divsf3_internal_lat): New.
2728         (divdf3_internal_lat): New.
2729         (divxf3_internal): New.
2731 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2733         PR c/448
2734         * Makefile.in (USE_GCC_STDINT): Define.
2735         (stmp-int-hdrs): Install stdint.h if applicable.
2736         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2737         if known.
2738         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2739         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2740         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2741         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2742         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2743         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2744         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2745         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2746         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2747         (c_common_nodes_and_builtins): Initialize
2748         underlying_wchar_type_node.  Do not initialize
2749         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2750         nodes for new types.
2751         (c_stddef_cpp_builtins): Define macros for new types.
2752         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2753         Remove.
2754         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2755         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2756         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2757         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2758         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2759         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2760         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2761         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2762         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2763         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2764         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2765         int16_type_node, int32_type_node, int64_type_node,
2766         uint8_type_node, uint16_type_node, c_uint32_type_node,
2767         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2768         int_least32_type_node, int_least64_type_node,
2769         uint_least8_type_node, uint_least16_type_node,
2770         uint_least32_type_node, uint_least64_type_node,
2771         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2772         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2773         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2774         uintptr_type_node): Define.
2775         * c-cppbuiltin.c (builtin_define_constants,
2776         builtin_define_type_minmax): New.
2777         (builtin_define_stdint_macros): Define more macros.
2778         (c_cpp_builtins): Define more limit macros.
2779         (type_suffix): New.
2780         (builtin_define_type_max): Define in terms of
2781         builtin_define_type_minmax.  Remove is_long parameter.  All
2782         callers changed.
2783         * config.gcc (use_gcc_stdint): Define.
2784         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2785         Add newlib-stdint.h for generic targets.
2786         * config/glibc-stdint.h, config/newlib-stdint.h,
2787         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2788         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2789         * config/score/score.h (UINTPTR_TYPE): Define.
2790         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2791         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2792         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2793         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2794         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2795         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2796         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2797         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2798         * config/spu/spu.h (STDINT_LONG32): Define.
2799         * configure.ac (use_gcc_stdint): Substitute.
2800         * configure: Regenerate.
2801         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2802         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2803         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2804         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2805         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2806         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2807         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2808         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2809         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2810         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2811         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2812         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2813         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2814         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2815         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2816         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2817         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2818         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2819         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2820         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2821         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2822         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2823         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2824         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2825         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2826         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2827         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2828         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2829         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2831 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2833         * loop-iv.c (suitable_set_for_replacement): Renamed from
2834         simplify_using_assignment; changed to return bool and to accept new
2835         args DEST and SRC.  Return true iff we find a source/destination pair
2836         that can be used to make a replacement, and fill SRC and DEST if so.
2837         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2838         changed.
2839         (simplify_using_initial_values): Deal with altered regs here and track
2840         more precisely the effect they have on the validity of our expression.
2842         * loop-iv.c (simplify_using_condition): A condition of the form
2843         (EQ REG CONST) can be used to simply make a substitution.
2844         (simplify_using_initial_values): Keep track of conditions we have seen
2845         and keep using them to simplify new expressions, while applying the
2846         same substitutions to them as to the expression.
2848         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2849         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2850         GEU/LTU reversed.
2852         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
2853         changed.  Use this when trying to improve the upper bound.
2854         Generate the comparison by using simplify_gen_relational.
2856         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2858         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2859         functions.
2860         (simplify_using_assignment, simplify_using_initial_values): Call 
2861         replace_in_expr to make replacements.  Call replace_single_def_regs
2862         once on the initial version of the expression.
2864 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2866         PR target/27237
2867         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2868         
2869 2009-03-31  Richard Guenther  <rguenther@suse.de>
2871         PR middle-end/31029
2872         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2873         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
2875 2009-03-31  Richard Guenther  <rguenther@suse.de>
2877         * tree.h (div_if_zero_remainder): Declare.
2878         * fold-const.c (div_if_zero_remainder): Export.
2879         * tree-ssa-forwprop.c
2880         (forward_propagate_addr_into_variable_array_index): Handle
2881         constant array index addition outside of the variable index.
2883 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2885         PR target/39592
2886         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2887         define_splits, floatunssi<mode>2): Require x87 conversions from
2888         DImode to be permitted.
2890 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2892         PR preprocessor/15638
2893         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2895 2009-03-31  Richard Guenther  <rguenther@suse.de>
2897         PR middle-end/23401
2898         PR middle-end/27810
2899         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2900         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2901         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2902         a separate statement.
2903         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2904         (lookup_tmp_var): Likewise.
2905         (is_gimple_formal_tmp_or_call_rhs): Remove.
2906         (is_gimple_reg_or_call_rhs): Rename to ...
2907         (is_gimple_reg_rhs_or_call): ... this.
2908         (is_gimple_mem_or_call_rhs): Rename to ...
2909         (is_gimple_mem_rhs_or_call): ... this.
2910         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
2911         DECL_GIMPLE_REG_P only if is_formal is true.
2912         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
2913         for non-proper post-modify expression gimplification.
2914         (gimplify_self_mod_expr): For post-modify expressions gimplify
2915         the lvalue to a minimal lvalue.
2916         (rhs_predicate_for): Remove formal temp case.
2917         (gimplify_modify_expr_rhs): Likewise.
2918         (gimplify_addr_expr): Use is_gimple_reg.
2919         (gimplify_expr): Remove formal temp cases.
2920         (gimple_regimplify_operands): Likewise.
2921         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2922         and FILTER_EXPR like constants.
2923         * gimple.c (walk_gimple_op): Fix val_only initialization, use
2924         is_gimple_reg.
2925         (is_gimple_formal_tmp_rhs): Remove.
2926         (is_gimple_reg_rhs): Remove special casing.
2927         (is_gimple_mem_rhs): Fix.
2928         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2929         (is_gimple_formal_tmp_var): Remove.
2930         (is_gimple_formal_tmp_reg): Likewise.
2931         (is_gimple_min_lval): Allow invariant component ref parts.
2932         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2933         is_gimple_formal_tmp_reg): Remove declarations.
2934         * tree-cfg.c (verify_expr): Verify that variables with address
2935         taken do not have DECL_GIMPLE_REG_P set.
2936         * tree-mudflap.c (mf_build_check_statement_for): Use
2937         force_gimple_operand instead of gimplify_expr.
2939 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
2941         * modulo-sched.c (sms_schedule_by_order): Pass the actual
2942         schedulable rows to compute_split_row.
2944 2009-03-31  Ben Elliston  <bje@au.ibm.com>
2946         PR target/31635
2947         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2948         OPT_mvrsave.
2950 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2952         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2953         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2954         * configure: Regenerate.
2955         * config.in: Regenerate.
2956         * config/rs6000/rs6000.opt (mtls-markers): Add.
2957         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2958         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2959         (tls_ld_aix, tls_ld_sysv): Likewise.
2960         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2961         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2963 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2965         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2967 2009-03-30  Jan Hubicka  <jh@suse.cz>
2969         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2970         out of RESX.
2971         (tree_remove_unreachable_handlers): Cleanup EH predecestor
2972         detection and label handling.
2974 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2976         * ira-int.h (ira_allocno): Rename left_conflicts_num to
2977         left_conflicts_size.
2978         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2979         ALLOCNO_LEFT_CONFLICTS_SIZE.
2981         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2982         remove_allocno_from_bucket_and_push,
2983         allocno_spill_priority_compare, push_allocnos_to_stack,
2984         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2985         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2986         (setup_allocno_left_conflicts_num): Ditto.  Rename to
2987         setup_allocno_left_conflicts_size.
2988         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2989         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2990         setup_allocno_left_conflicts_size instead of
2991         setup_allocno_left_conflicts_num.
2993         * ira-build.c (ira_create_allocno): Use
2994         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2995         ALLOCNO_LEFT_CONFLICTS_NUM.
2996                 
2997 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2999         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
3000         instead of DF_LR_OUT.
3002         * ira-lives.c (process_bb_node_lives): Ditto.
3004         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
3005         instead of DF_LR_{OUT,IN}.
3007         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
3009         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
3011 2009-03-30  Jan Hubicka  <jh@suse.cz>
3013         * except.c (label_to_region_map): Fix thinko.
3015 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
3017         PR middle-end/38237
3018         * tree.h (tree_find_value): New declaration.
3019         * tree.c (tree_find_value): New function.
3020         * varasm.c (assemble_external): Avoid duplicate entries on lists.
3022 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
3024         PR debug/39563
3025         * c-decl.c (struct c_binding): Add locus field.
3026         (bind): Add locus argument, set locus field from it.
3027         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
3028         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
3029         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
3030         implicitly_declare, undeclared_variable, lookup_label,
3031         declare_label, c_make_fname_decl, c_builtin_function,
3032         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
3033         bind callers.
3035 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
3037         PR target/38781
3038         * config/i386/i386.c (classify_argument): Check total size of
3039         structure.
3041 2009-03-30  Martin Jambor  <mjambor@suse.cz>
3043         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
3044         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
3045         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
3046         respectively.
3048         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
3049         seen_variable_array_ref while also traversing a union.
3051         * tree-inline.c (optimize_inline_calls): Do not call
3052         cgraph_node_remove_callees.
3053         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
3054         (pass_remove_cgraph_callee_edges): New variable.
3055         * passes.c (init_optimization_passes): Add
3056         pass_remove_cgraph_callee_edges after early inlining and before all
3057         late intraprocedural passes.
3059         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
3061 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3063         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
3064         Fix typos in names.
3066 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3068         * combine.c (simplify_comparison): Use have_insn_for.
3069         * dojump.c (do_jump): Likewise.
3071 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3073         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
3074         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
3075         sparc_compare_op0 like sparc_compare_emitted used to be handled.
3076         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
3077         instead of sparc_compare_emitted.
3078         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
3079         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
3080         instead of sparc_compare_emitted.
3082 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3084         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
3085         enter/exit cfglayout mode.
3086         (pass_partition_block): Require it.
3087         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
3088         (combine_instructions): Track basic blocks instead of labels.
3089         (update_cfg_for_uncondjump): New.
3090         (try_combine): Use it.  Update jumps after rescanning.
3091         (pass_combine): Require PROP_cfglayout.
3092         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
3094 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3096         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
3097         Provide/destroy PROP_cfglayout respectively.
3098         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
3099         * tree-pass.h (PROP_cfglayout): New.
3101 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3103         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
3104         fold_convert_const_fixed_from_fixed,
3105         fold_convert_const_fixed_from_int,
3106         fold_convert_const_fixed_from_real, fold_negate_const): Do not
3107         set TREE_CONSTANT_OVERFLOW.
3108         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
3109         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
3111 2009-03-30  Ira Rosen  <irar@il.ibm.com>
3113         * tree-vect-loop-manip.c: New file.
3114         * tree-vectorizer.c: Update documentation and included files.
3115         (vect_loop_location): Make extern.
3116         (rename_use_op): Move to tree-vect-loop-manip.c
3117         (rename_variables_in_bb, rename_variables_in_loop, 
3118         slpeel_update_phis_for_duplicate_loop, 
3119         slpeel_update_phi_nodes_for_guard1,
3120         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
3121         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3122         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3123         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
3124         find_loop_location): Likewise.
3125         (new_stmt_vec_info): Move to tree-vect-stmts.c.
3126         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3127         get_vectype_for_scalar_type, vect_is_simple_use,
3128         supportable_widening_operation, supportable_narrowing_operation):
3129         Likewise.
3130         (bb_in_loop_p): Move to tree-vect-loop.c.
3131         (new_loop_vec_info, destroy_loop_vec_info, 
3132         reduction_code_for_scalar_code, report_vect_op, 
3133         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3134         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3135         (vect_supportable_dr_alignment): Likewise.
3136         * tree-vectorizer.h (tree-data-ref.h): Include.
3137         (vect_loop_location): Declare.
3138         Reorganize function declarations according to the new file structure.
3139         * tree-vect-loop.c: New file.
3140         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
3141         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3142         * tree-vect-data-refs.c: New file.
3143         * tree-vect-patterns.c (timevar.h): Don't include.
3144         * tree-vect-stmts.c: New file.
3145         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
3146         tree-vect-slp.c, tree-vect-loop.c.
3147         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
3148         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
3149         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3150         (tree-vect-analyze.o): Remove.
3151         (tree-vect-transform.o): Likewise.
3152         (tree-vect-data-refs.o): Add rule.
3153         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
3154         tree-vect-slp.o): Likewise.
3155         (tree-vect-patterns.o): Remove redundant dependencies.
3156         (tree-vectorizer.o): Likewise.
3157         * tree-vect-slp.c: New file.
3159 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3161         * optc-gen.awk: Warn if an option flag has multiple different
3162         help strings.
3164 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3166         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3167         -floop-block): Document dependences on PPL, CLooG and Graphite.
3169 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3171         PR rtl-optimization/323
3172         * c-common.c (c_fully_fold, convert_and_check,
3173         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3174         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3175         * c-common.def (EXCESS_PRECISION_EXPR): New.
3176         * c-cppbuiltin.c (builtin_define_float_constants): Define
3177         constants with enough digits for long double.
3178         * c-lex.c (interpret_float): Interpret constant with excess
3179         precision where appropriate.
3180         * c-opts.c (c_common_post_options): Set
3181         flag_excess_precision_cmdline.  Give an error for
3182         -fexcess-precision=standard for C++ for processors where the
3183         option is significant.
3184         * c-parser.c (c_parser_conditional_expression): Handle excess
3185         precision in condition.
3186         * c-typeck.c (convert_arguments): Handle arguments with excess
3187         precision.
3188         (build_unary_op): Move excess precision outside operation.
3189         (build_conditional_expr): Likewise.
3190         (build_compound_expr): Likewise.
3191         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3192         (build_modify_expr): Handle excess precision in RHS.
3193         (convert_for_assignment): Handle excess precision in converted
3194         value.
3195         (digest_init, output_init_element, process_init_element): Handle
3196         excess precision in initializer.
3197         (c_finish_return): Handle excess precision in return value.
3198         (build_binary_op): Handle excess precision in operands and add
3199         excess precision as needed for operation.
3200         * common.opt (-fexcess-precision=): New option.
3201         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3202         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3203         For standard excess precision, output explicit conversion to and
3204         truncation from XFmode.
3205         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3206         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3207         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3208         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3209         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3210         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3211         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3212         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3213         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3214         define_splits, sqrt<mode>2): Disable where appropriate for
3215         standard excess precision.
3216         * convert.c (convert_to_real): Do not shorten arithmetic to type
3217         for which excess precision would be used.
3218         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3219         * doc/invoke.texi (-fexcess-precision=): Document option.
3220         (-mfpmath=): Correct index entry.
3221         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3222         flag_excess_precision): New.
3223         * langhooks.c (lhd_post_options): Set
3224         flag_excess_precision_cmdline.
3225         * opts.c (common_handle_option): Handle -fexcess-precision=.
3226         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3227         init_excess_precision): New.
3228         (lang_dependent_init_target): Call init_excess_precision.
3229         * tree.c (excess_precision_type): New.
3230         * tree.h (excess_precision_type): Declare.
3232 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3234         PR c/35235
3235         * c-typeck.c (build_component_ref): Do not copy qualifiers from
3236         non-lvalue to component.
3238 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3240         PR preprocessor/34695
3241         * Makefile.in (c-opts.o): Depend on c-tree.h.
3242         * c-common.c: Move down include of diagnostic.h.
3243         (done_lexing, c_cpp_error): New.
3244         * c-common.h (done_lexing): Declare.
3245         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3246         (parse_in).
3247         * c-opts.c: Include c-tree.h.
3248         (c_common_init_options): Set preprocessor error callback.
3249         (c_common_handle_option): Do not set preprocessor
3250         inhibit_warnings, warnings_are_errors, warn_system_headers,
3251         pedantic_errors or inhibit_warnings flags.
3252         (c_common_post_options): Do not check cpp_errors (parse_in).
3253         (c_common_finish): Do not output dependencies if there were
3254         errors.  Do not check return value of cpp_finish.
3255         * c-ppoutput.c (pp_file_change): Set input_location.
3256         * c-tree.h (c_cpp_error): Declare.
3257         * diagnostic.c (diagnostic_set_info_translated): Also initialize
3258         override_column.
3259         (diagnostic_build_prefix): Check override_column.
3260         * diagnostic.h (diagnostic_info): Add override_column field.
3261         (diagnostic_override_column): Define.
3263 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
3265         * c-common.c (c_expand_expr, c_staticp): Remove.
3266         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3267         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3268         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3269         * c-gimplify.c (gimplify_compound_literal_expr,
3270         optimize_compound_literals_in_ctor): Remove.
3271         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3272         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3273         * c-semantics.c (emit_local_var): Remove.
3275         * langhooks-def.h (lhd_expand_expr): Remove.
3276         * langhooks.c (lhd_expand_expr): Remove.
3277         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3279         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3280         handling from c-semantics.c; don't call into langhook.
3281         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3282         * gimplify.c (gimplify_compound_literal_expr,
3283         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3284         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3285         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3286         as was done in c-gimplify.c.
3287         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3288         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3289         Move from c-common.h.
3290         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3292         * tree.c (staticp): Do not call langhook.
3293         * langhooks.c (lhd_staticp): Delete.
3294         * langhooks-def.h (lhd_staticp): Delete prototype.
3295         (LANG_HOOKS_STATICP): Delete.
3296         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3298         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3299         instead of DECL_STMTs.
3301 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3303         PR c/456
3304         PR c/5675
3305         PR c/19976
3306         PR c/29116
3307         PR c/31871
3308         PR c/35198
3309         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3310         void_type_node.
3311         (fold_call_expr): Return a NOP_EXPR from folding rather than the
3312         contained expression.
3313         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3314         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
3315         conditional expressions for C.
3316         (decl_constant_value_for_optimization): Move from
3317         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
3318         whether optimizing and that the expression is a VAR_DECL not of
3319         array type instead of doing such checks in the caller.  Do not
3320         check pedantic.  Call gcc_unreachable for C++.
3321         * c-common.def (C_MAYBE_CONST_EXPR): New.
3322         * c-common.h (c_fully_fold, c_save_expr,
3323         decl_constant_value_for_optimization): New prototypes.
3324         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3325         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3326         EXPR_INT_CONST_OPERANDS): Define.
3327         * c-convert.c (convert): Strip nops from expression.
3328         * c-decl.c (groktypename): Take extra parameters expr and
3329         expr_const_operands.  Update call to grokdeclarator.
3330         (start_decl): Update call to grokdeclarator.  Add statement for
3331         expressions used in type of decl.
3332         (grokparm): Update call to grokdeclarator.
3333         (push_parm_decl): Update call to grokdeclarator.
3334         (build_compound_literal): Add parameter non_const and build a
3335         C_MAYBE_COSNT_EXPR if applicable.
3336         (grokdeclarator): Take extra parameters expr and
3337         expr_const_operands.  Track expressions used in declaration
3338         specifiers and declarators.  Fold array sizes and track whether
3339         they are constant expressions and whether they are integer
3340         constant expressions.
3341         (parser_xref_tag): Set expr and expr_const_operands fields in
3342         return value.
3343         (grokfield): Update call to grokdeclarator.
3344         (start_function): Update call to grokdeclarator.
3345         (build_null_declspecs): Set expr and expr_const_operands fields in
3346         return value.
3347         (declspecs_add_type): Handle expressions in typeof specifiers.
3348         * c-parser.c (c_parser_declspecs): Set expr and
3349         expr_const_operands fields for declaration specifiers.
3350         (c_parser_enum_specifier): Likewise.
3351         (c_parser_struct_or_union_specifier): Likewise.
3352         (c_parser_typeof_specifier): Likewise.  Update call to
3353         groktypename.  Fold expression as needed.  Return expressions with
3354         type instead of adding statements.
3355         (c_parser_attributes): Update calls to c_parser_expr_list.
3356         (c_parser_statement_after_labels): Fold expression before passing
3357         to objc_build_throw_stmt.
3358         (c_parser_condition): Fold expression.
3359         (c_parser_asm_operands): Fold expression.
3360         (c_parser_conditional_expression): Use c_save_expr.  Update call
3361         to build_conditional_expr.
3362         (c_parser_alignof_expression): Update call to groktypename.
3363         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3364         original_code.  Fold expression argument of va_arg.  Create
3365         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3366         argument to va_arg.  Update calls to groktypename.  Fold array
3367         index for offsetof.  Verify that first argument to
3368         __builtin_choose_expr has integer type.
3369         (c_parser_postfix_expression_after_paren_type): Update calls to
3370         groktypename and build_compound_literal.  Handle expressions with
3371         side effects in type name.
3372         (c_parser_postfix_expression_after_primary): Update call to
3373         c_parser_expr_list.  Set original_code for calls to
3374         __builtin_constant_p.
3375         (c_parser_expr_list): Take extra parameter fold_p.  Fold
3376         expressions if requested.
3377         (c_parser_objc_type_name): Update call to groktypename.
3378         (c_parser_objc_synchronized_statement): Fold expression.
3379         (c_parser_objc_receiver): Fold expression.
3380         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3381         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3382         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3383         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3384         (struct c_typespec): Add elements expr and expr_const_operands.
3385         (struct c_declspecs): Add elements expr and expr_const_operands.
3386         (groktypename, build_conditional_expr, build_compound_literal):
3387         Update prototypes.
3388         (in_late_binary_op): Declare.
3389         * c-typeck.c (note_integer_operands): New function.
3390         (in_late_binary_op): New variable.
3391         (decl_constant_value_for_broken_optimization): Move to c-common.c
3392         and rename to decl_constant_value_for_optimization.
3393         (default_function_array_conversion): Do not strip nops.
3394         (default_conversion): Do not call
3395         decl_constant_value_for_broken_optimization.
3396         (build_array_ref): Do not fold result.
3397         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
3398         result when operand is a VLA.
3399         (c_expr_sizeof_type): Update call to groktypename.  Handle
3400         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
3401         result when operand names a VLA type.
3402         (build_function_call): Update call to build_compound_literal.
3403         Only fold result for calls to __builtin_* functions.  Strip
3404         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
3405         the function designator.
3406         (convert_arguments): Fold arguments.  Update call to
3407         convert_for_assignment.
3408         (build_unary_op): Handle increment and decrement of
3409         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
3410         decrement earlier.  Fold operand of increment and decrement.
3411         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
3412         built for integer operand.  Wrap returns that are INTEGER_CSTs
3413         without being integer constant expressions or that have integer
3414         constant operands without being INTEGER_CSTs.
3415         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3416         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
3417         result is an integer constant expression or can be used in
3418         unevaluated parts of one and avoid folding and wrap as
3419         appropriate.  Fold operands before possibly doing -Wsign-compare
3420         warnings.
3421         (build_compound_expr): Wrap result for C99 if operands can be used
3422         in integer constant expressions.
3423         (build_c_cast): Update call to digest_init.  Do not ignore
3424         overflow from casting floating-point constants to integers.  Wrap
3425         results that could be confused with integer constant expressions,
3426         null pointer constants or floating-point constants.
3427         (c_cast_expr): Update call to groktypename.  Handle expressions
3428         included in type name.
3429         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
3430         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
3431         Update calls to convert_for_assignment.
3432         (convert_for_assignment): Take new parameter
3433         null_pointer_constant.  Do not strip nops or call
3434         decl_constant_value_for_broken_optimization.  Set
3435         in_late_binary_op for conversions to boolean.
3436         (store_init_value): Update call to digest_init.
3437         (digest_init): Take new parameter null_pointer_constant.  Do not
3438         call decl_constant_value_for_broken_optimization.  pedwarn for
3439         initializers not constant expressions.  Update calls to
3440         convert_for_assignment.
3441         (constructor_nonconst): New.
3442         (struct constructor_stack): Add nonconst element.
3443         (really_start_incremental_init, push_init_level, pop_init_level):
3444         Handle constructor_nonconst and nonconst element.
3445         (set_init_index): Call constant_expression_warning for array
3446         designators.
3447         (output_init_element): Fold value.  Set constructor_nonconst as
3448         applicable.  pedwarn for initializers not constant expressions.
3449         Update call to digest_init.  Call constant_expression_warning
3450         where constant initializers are required.
3451         (process_init_element): Use c_save_expr.
3452         (c_finish_goto_ptr): Fold expression.
3453         (c_finish_return): Fold return value.  Update call to
3454         convert_for_assignment.
3455         (c_start_case): Fold switch expression.
3456         (c_process_expr_stmt): Fold expression.
3457         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3458         ensure statement expression is not evaluated in constant expression.
3459         (build_binary_op): Track whether results are integer constant
3460         expressions or may occur in such, disable folding and wrap results
3461         as applicable.  Fold operands for -Wsign-compare warnings unless
3462         in_late_binary_op.
3463         (c_objc_common_truthvalue_conversion): Handle results folded to
3464         integer constants that are not integer constant expressions.
3465         * doc/extend.texi: Document when typeof operands are evaluated,
3466         that condition of __builtin_choose_expr is an integer constant
3467         expression, and more about use of __builtin_constant_p in
3468         initializers.
3470 2009-03-29  Richard Guenther  <rguenther@suse.de>
3472         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3473         propagate addresses of array references.
3475 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3477         * regmove.c (perhaps_ends_bb_p): Remove.
3478         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
3479         from INSN and check that the main loop stays within that basic block.
3480         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3481         (regmove_forward_pass): Split out from regmove_optimize.  Use
3482         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3483         (regmove_backward_pass): Split out from regmove_optimize.  Use
3484         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3485         (regmove_optimize): Simplify.
3487 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3489         PR target/39545
3490         * config/i386/i386.c (classify_argument): Ignore flexible array
3491         member in struct and warn ABI change.
3493 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3495         * config/i386/i386-protos.h (ix86_agi_dependent): New.
3497         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3498         (ix86_adjust_cost): Updated.
3500 2009-03-29  Jan Hubicka  <jh@suse.cz>
3502         PR middle-end/28850
3503         * tree-pass.h (pass_cleanup_eh): New function.
3504         (remove_unreachable_regions): Break code handling RTL
3505         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3506         that can not be reached by runtime.
3507         (can_be_reached_by_runtime): New function.
3508         (label_to_region_map): New function.
3509         (num_eh_regions): New function.
3510         (rtl_remove_unreachable_regions): New function.
3511         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3512         (remove_eh_region): New function.
3513         * except.h: Include sbitmap and vecprim.
3514         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3515         num_eh_regions): Declare.
3516         * passes.c (init_optimization_passes): Schedule cleanup_eh.
3517         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3518         * tree-eh.c (tree_remove_unreachable_handlers): New function.
3519         (tree_empty_eh_handler_p): New function.
3520         (cleanup_empty_eh): New function.
3521         (cleanup_eh): New function.
3522         (pass_cleanup_eh): New function.
3524 2009-03-29  Jan Hubicka  <jh@suse.cz>
3526         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3527         for removed regions.
3529 2009-03-29  Jan Hubicka  <jh@suse.cz>
3531         * except.c (dump_eh_tree): Dump all datastructures.
3533 2009-03-29  Jan Hubicka  <jh@suse.cz>
3535         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3536         (duplicate_eh_regions_1): Likewise.
3537         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3538         vector; call EH verification.
3539         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3540         Be ready for region being removed.
3542 2009-03-29  Jan Hubicka  <jh@suse.cz>
3544         * bitmap.c (bitmap_last_set_bit): New function.
3545         * bitmap.h (bitmap_last_set_bit): Declare.
3547 2009-03-29  David Ayers  <ayers@fsfe.org>
3549         PR objc/27377
3550         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3551         by calling objc_compare_types and surpress warnings about
3552         incompatible C pointers that are compatible ObjC pointers.
3553         
3554 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
3556         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3557         call initialize_inline_failed.
3558         (initialize_inline_failed): Move it from here ...
3559         * cgraph.c (initialize_inline_failed): ... to here.
3560         (cgraph_create_edge): Call initialize_inline_failed rather than
3561         setting inline_failed directly.
3563 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3565         PR target/32542
3566         * sysv4.opt (msdata): Improve comment.
3567         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3568         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3570 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3572         PR target/30451
3573         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3574         load and store attributes.
3576 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3578         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3579         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3580         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3581         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3582         __builtin_infq and __builtin_huge_valq.
3584 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3586         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3587         atmega8m1 devices.
3588         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3589         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3591 2009-03-28  Xinliang David Li  <davidxl@google.com>
3593         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
3594         (do_dbg_cnt): New function.
3596 2009-03-28  Jan Hubicka  <jh@suse.cz>
3598         Merge from pretty-ipa:
3600         2009-03-27  Jan Hubicka  <jh@suse.cz>
3602         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3603         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3604         * passes.c (function_called_by_processed_nodes_p): New.
3605         * ipa-pure-const.c (check_call): Fix handling of operands.
3606         (analyze_function): Dump debug output for skipped bodies.
3607         (local_pure_const): Use function_called_by_processed_nodes_p.
3608         * dwarf2out.c (reference_to_unused): Use output.
3609         * passes.c (do_per_function_toporder): Likewise.
3611         2008-11-12  Jan Hubicka  <jh@suse.cz>
3613         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3614         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3615         state_set_in_source enum
3616         (check_decl): Ignore memory tags; do not set fake looping flags;
3617         dump diagnostics.
3618         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3619         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3620         (check_call, analyze_function): Rewrite.
3621         (check_stmt): New.
3622         (add_new_function): Update call of analyze_function.
3623         (generate_summary): Add call of analyze_function.
3624         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3625         (local_pure_const): New function.
3626         (pass_local_pure_const): New pass.
3627         * ipa-inline.c (inline_transform): Set after_inlining.
3628         * tree-eh.c (stmt_can_throw_external): New.
3629         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3630         work with aliasing built.
3631         * tree-flow.h (stmt_can_throw_external): New.
3632         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3633         and local pure/const pass in early and late optimization queue.
3635 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3637         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3638         allow_func_align.
3639         (fold_binary): Allow function decl aligment consideration is the
3640         second argument is integer constant one.
3641         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3642         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3643         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3645 2009-03-28  Jan Hubicka  <jh@suse.cz>
3647         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3648         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3649         * function.h (rtl_data): Add nothrow flag.
3650         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3651         set DECL_NOTHROW for AVAILABLE functions.
3653 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3655         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3656         following vector keyword has expansion starting with pixel or bool
3657         keyword, expand vector to __vector and pixel or bool to __pixel or
3658         __bool.
3660         PR c++/39554
3661         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3662         warn_if_disallowed_function_p): Removed.
3663         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3664         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3665         warning_if_disallowed_function_p.
3666         * flags.h (warn_if_disallowed_function_p,
3667         warn_disallowed_functions): Removed.
3668         * common.opt (Wdisallowed-function-list=): Removed.
3669         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3671 2009-03-28  Richard Guenther  <rguenther@suse.de>
3673         PR tree-optimization/38723
3674         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3675         the entry block.
3677 2009-03-28  Jan Hubicka  <jh@suse.cz>
3679         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3680         test introduced by my previous patch.
3682 2009-03-28  Richard Guenther  <rguenther@suse.de>
3684         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3685         the PHIs value undefined.
3687 2009-03-28  Jan Hubicka  <jh@suse.cz>
3689         * tree-pass.h (pass_fixup_cfg): New pass.
3690         * ipa-inline.c (inline_transform): Set
3691         always_inline_functions_inlined/after_inlining.
3692         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3693         (pass_fixup_cfg): New pass.
3694         * passes.c (init_optimization_passes): Add fixup_cfg.
3696 2009-03-28  Richard Guenther  <rguenther@suse.de>
3698         PR tree-optimization/38458
3699         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3700         argument use the arguments copy-of value.
3702 2009-03-28  Richard Guenther  <rguenther@suse.de>
3704         PR tree-optimization/38180
3705         * tree-ssa-ccp.c (get_default_value): Simplify.
3706         (likely_value): Likewise.
3707         (surely_varying_stmt_p): Properly handle VOP case.
3708         (ccp_initialize): Likewise.
3709         (ccp_fold): Handle propagating through *&.
3710         (fold_const_aggregate_ref): Also handle decls.
3712 2009-03-28  Jan Hubicka  <jh@suse.cz>
3714         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3715         * cgraph.h (cgraph_node): Likewise.
3716         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3717         (cgraph_reset_node): Use process flag.
3718         (cgraph_mark_functions_to_output): Likewise.
3719         (cgraph_expand_function): Likewise.
3720         (cgraph_expand_all_functions): Likewise.
3721         (cgraph_output_in_order): Likewise.
3722         * dwarf2out.c (reference_to_unused): Likewise.
3723         * passes.c do_per_function_toporder): Likewise.
3725 2009-03-28  Jan Hubicka  <jh@suse.cz>
3727         Bring from lto-branch:
3729         2008-09-03  Doug Kwan  <dougkwan@google.com>
3731         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3732         enums instead of reason strings.
3733         * cgraph.c (cgraph_create_edge): Same.
3734         (cgraph_inline_failed_string): New function.
3735         * cgraph.h (cgraph_inline_failed_t): New enum type.
3736         (cgraph_inline_failed_string): New prototype.
3737         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3738         char pointer to cgraph_inline_failed_t.
3739         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3740         (cgraph_default_inline_p): Ditto.
3741         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3742         to cgraph_inline_failed_t pointer.
3743         * cif-code.def: New file.
3744         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3745         reason string.
3746         (cgraph_check_inline_limits): Change type of REASON to pointer to
3747         cgraph_inline_failed_t.  Replace reason strings with enums.
3748         (cgraph_default_inline_p): Ditto.
3749         (cgraph_recursive_inlining_p): Ditto.
3750         (update_caller_keys): Change type of FAILED_REASON to
3751         cgraph_inline_failed_t.
3752         (cgraph_set_inline_failed): Change type of REASON to pointer to
3753         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3754         convert enums to strings for text output.
3755         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3756         to be of type cgraph_inline_failed_t.  Replace reason strings with
3757         enums.  Call cgraph_inline_failed_string to covert enums
3758         to strings for text output.
3759         (cgraph_decide_inlining): Replace reason strings with enums.
3760         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3761         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3762         for text output.
3763         * tree-inline.c (expand_call_inline): Change type of REASON
3764         to cgraph_inline_failed_t.  Replace reason strings with enums.
3765         Call cgraph_inline_failed_string for text output.
3766         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3767         (cgraph.o): Ditto.
3769 2009-03-28  Jan Hubicka  <jh@suse.cz>
3771         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3772         cgraph_clone_node): Remove master clone handling.
3773         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3774         * cgraph.h (master_clone): Remove.
3775         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3776         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3777         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3779 2009-03-28  Jan Hubicka  <jh@suse.cz>
3781         * cgraph.c (cgraph_function_body_availability): Functions declared
3782         inline are always safe to assume that it is not going to be replaced.
3784 2009-03-28  Richard Guenther  <rguenther@suse.de>
3786         PR tree-optimization/38513
3787         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3788         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3789         EXC_PTR_EXPR and FILTER_EXPR.
3790         (get_ref_from_reference_ops): Likewise.
3792 2009-03-28  Richard Guenther  <rguenther@suse.de>
3794         PR tree-optimization/38968
3795         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3796         Use FLOOR_MOD_EXPR to compute misalignment.
3798 2009-03-28  Richard Guenther  <rguenther@suse.de>
3800         PR tree-optimization/37795
3801         * tree.h (combine_comparisons): Declare.
3802         * fold-const.c (combine_comparisons): Export.
3803         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3804         comparisons.
3805         (ifcombine_iforif): Use combine_comparisons.
3807 2009-03-28  Jan Hubicka  <jh@suse.cz>
3809         * tree-eh.c (inlinable_call_p): New function.
3810         (make_eh_edges): Use it.
3811         (verify_eh_edges): Use it.
3812         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3813         * except.c (reachable_next_level): Add inlinable_function argument
3814         (sjlj_find_directly_reachable_regions): Update.
3815         (add_reachable_handler): Do not set saw_any_handlers.
3816         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3817         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3818         Add new inlinable call parameter.
3819         (can_throw_internal, can_throw_external): Update.
3820         * except.h (can_throw_internal_1, can_throw_external_1,
3821         foreach_reachable_handler): Update declaration.
3823 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3825         * config/arm/t-arm-coff, config/h8300/coff.h,
3826         config/i386/i386-aout.h, config/i386/i386-coff.h,
3827         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3828         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3829         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3830         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3831         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3832         sys-types.h: Remove.
3833         * Makefile.in: Remove protoize and fixproto support and references
3834         in comments.
3835         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3836         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3837         Remove.
3838         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3839         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3840         unprotoize$(exeext).
3841         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3842         (.PHONY): Don't depend on proto.
3843         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3844         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3845         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3846         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3847         build/gen-protos.o, build/scan.o, xsys-protos.h,
3848         build/fix-header$(build_exeext), build/fix-header.o,
3849         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3850         stmp-install-fixproto): Remove.
3851         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3852         SYSCALLS.c or fixproto files.
3853         (install-common): Don't install protoize.
3854         (install-headers-tar, install-headers-cpio, install-headers-cp):
3855         Don't depend on $(STMP_FIXPROTO).
3856         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
3857         install fixproto files or write out fixproto settings.
3858         (uninstall): Don't uninstall protoize.
3859         * config.gcc (use_fixproto): Remove.
3860         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3861         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3862         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3863         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3864         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3865         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3866         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3867         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3868         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3869         * config/t-vxworks (STMP_FIXPROTO): Remove.
3870         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3871         STMP_FIXPROTO): Remove.
3872         * config.in, configure: Regenerate.
3873         * crtstuff.c (gid_t, uid_t): Don't undefine.
3874         * doc/install.texi: Change m68k-coff to m68k-elf in example.
3875         (arm-*-coff, arm-*-aout: Remove target entries.
3876         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3877         Remove mention of AIX 4.1.
3878         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3879         * doc/invoke.texi (Running Protoize): Remove.
3880         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3881         (Protoize Caveats): Remove.
3882         * tsystem.h: Update comments on headers assumed to exist.
3884 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
3886         * genautomata.c: Add a new year to the copyright.  Add a new
3887         reference.
3888         (struct insn_reserv_decl): Add comments for member bypass_list.
3889         (find_bypass): Remove.
3890         (insert_bypass): New.
3891         (process_decls): Use insert_bypass.
3892         (output_internal_insn_latency_func): Output all bypasses with the
3893         same input insn in one switch case.
3895         * rtl.def (define_bypass): Describe bypass choice.
3896         * doc/md.texi (define_bypass): Ditto.
3898 2009-03-27  Richard Guenther  <rguenther@suse.de>
3900         * gimplify.c (mark_addressable): Export.
3901         * tree-flow.h (mark_addressable): Declare.
3902         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3903         * tree-ssa.c (verify_phi_args): Verify that address taken
3904         variables have TREE_ADDRESSABLE set.
3906 2009-03-27  Richard Guenther  <rguenther@suse.de>
3908         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3909         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
3910         Do not mark decls TREE_ADDRESSABLE.
3911         (build_fold_addr_expr): Adjust.
3912         (fold_addr_expr): Remove.
3913         (fold_unary): Use build_fold_addr_expr.
3914         (fold_comparison): Likewise.
3915         (split_address_to_core_and_offset): Likewise.
3916         * coverage.c (tree_coverage_counter_addr): Mark the array decl
3917         TREE_ADDRESSABLE.
3918         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3919         (gimplify_modify_expr_to_memcpy): Mark source and destination
3920         addressable.
3921         * omp-low.c (create_omp_child_function): Mark the object decl
3922         TREE_ADDRESSABLE.
3923         (lower_rec_input_clauses): Mark the var we take the address of
3924         TREE_ADDRESSABLE.
3925         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3927 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3929         PR middle-end/39315
3930         * cfgexpand.c (expand_one_stack_var_at): Change alignment
3931         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3933 2009-03-27  Richard Guenther  <rguenther@suse.de>
3935         PR tree-optimization/39120
3936         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3937         constraints.
3938         (handle_lhs_call): Process return constraints.  Add escape
3939         constraints if necessary.
3940         (handle_const_call): Fill out return constraints.  Make nested
3941         case more precise.  Avoid consttmp if possible.
3942         (handle_pure_call): Fill out return constraints.  Avoid
3943         callused if possible.
3944         (find_func_aliases): Simplify call handling.
3946 2009-03-27  Richard Guenther  <rguenther@suse.de>
3948         PR tree-optimization/39120
3949         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3950         as a representative.
3951         (solve_graph): Do propagate CALLUSED.
3952         (handle_pure_call): Use a scalar constraint from CALLUSED for
3953         the return value.
3954         (find_what_p_points_to): CALLUSED shall not appear in poins-to
3955         solutions.
3957 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3959         PR c/39323
3960         * c-common.c (handle_aligned_attribute): Properly check alignment
3961         overflow.  Use (1U << i) instead of (1 << i).
3963         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3965         * expr.h (get_mem_align_offset): Updated.
3967         * tree.h (tree_decl_common): Change align to "unsigned int" and
3968         move it before pointer_alias_set.
3970 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3971             Jakub Jelinek  <jakub@redhat.com>
3973         PR target/38034
3974         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3975         gr_register_operand with gr_reg_or_0_operand.
3976         (cmpxchg_rel_di): Likewise.
3977         (sync_lock_test_and_set<mode>): Likewise.
3979 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3981         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3982         (true_regnum): Likewise.
3984         * rtlanal.c (subreg_info): Moved to ...
3985         * rtl.h (subreg_info): Here.  New.
3986         (subreg_get_info): New.
3988         * rtlanal.c (subreg_get_info): Make it extern.
3990 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3992         PR target/39472
3993         * config/i386/i386.c (ix86_abi): New.
3994         (override_options): Handle -mabi=.
3995         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3996         (ix86_call_abi_override): Likewise.
3997         (init_cumulative_args): Likewise.
3998         (function_arg_advance): Likewise.
3999         (function_arg_64): Likewise.
4000         (function_arg): Likewise.
4001         (ix86_pass_by_reference): Likewise.
4002         (ix86_function_value_regno_p): Likewise.
4003         (ix86_build_builtin_va_list_abi): Likewise.
4004         (setup_incoming_varargs_64): Likewise.
4005         (is_va_list_char_pointer): Likewise.
4006         (ix86_init_machine_status): Likewise.
4007         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
4008         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
4009         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
4010         (ix86_function_abi): Make it static and return enum calling_abi.
4011         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
4012         with ix86_abi.
4013         (ix86_fn_abi_va_list): Updated.
4015         * config/i386/i386.h (ix86_abi): New.
4016         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
4017         (CONDITIONAL_REGISTER_USAGE): Likewise.
4018         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
4019         (machine_function): Likewise.
4021         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
4022         with ix86_abi.
4023         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
4024         (STACK_BOUNDARY): Likewise.
4025         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
4027         * config/i386/i386.opt (mabi=): New.
4029         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
4030         return enum calling_abi.
4031         (ix86_function_type_abi): Likewise.
4032         (ix86_function_abi): Removed.
4034         * doc/invoke.texi: Document -mabi= option for x86.
4036 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4038         * builtins.c (real_dconstp): Delete.
4039         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
4041 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
4042             Jakub Jelinek  <jakub@redhat.com>
4044         PR debug/37959
4045         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
4046         (gen_subprogram_die): When a function is explicit, generate the
4047         DW_AT_explicit attribute.
4048         * langhooks.h (struct lang_hooks_for_decls): Add
4049         function_decl_explicit_p langhook.
4050         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
4051         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
4053 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
4055         * builtins.c (fold_builtin_memory_op): Optimize memmove
4056         into memcpy if we can prove source and destination don't overlap.
4058         * tree-inline.c: Include gt-tree-inline.h.
4059         (clone_fn_id_num): New variable.
4060         (clone_function_name): New function.
4061         (tree_function_versioning): Use it.
4062         * Makefile.in (GTFILES): Add tree-inline.c.
4064 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
4066         * BASE-VER: Change to 4.5.0.
4068 2009-03-27  Xinliang David Li  <davidxl@google.com>
4070         PR tree-optimization/39557
4071         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
4073 2009-03-27  Xinliang David Li  <davidxl@google.com>
4075         PR tree-optimization/39548
4076         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
4077         candidate check.
4079 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4081         * c-common.c (pointer_int_sum): Use %wd on return from
4082         tree_low_cst.
4084 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4086         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
4087         on return from tree_low_cst.
4089 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4091         PR c++/36799
4092         * ginclude/stdarg.h (va_copy): Define also for
4093         __GXX_EXPERIMENTAL_CXX0X__.
4095 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4097         PR c++/35652
4098         * builtins.h (c_strlen): Do not warn here.
4099         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
4100         * c-common.c (pointer_int_sum): Take an explicit location.
4101         Warn about offsets out of bounds.
4102         * c-common.h (pointer_int_sum): Adjust declaration.
4104 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4106         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
4107         markup glitch.
4109 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
4111         PR c++/39554
4112         * opts.c (warn_if_disallowed_function_p): Don't assume
4113         get_callee_fndecl must return non-NULL.
4115 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
4117         PR rtl-optimization/39522
4118         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
4119         when reg_reloaded_valid is set.
4121 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4123         * config/spu/divv2df3.c: New file.
4124         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
4125         (DPBIT_FUNCS): Filter out _div_df.
4127 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4129         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4130         a jump insn, count that jump in the distance to the loop start.
4132 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
4134         PR target/39523
4135         * config/sh/sh.c (calc_live_regs): Fix condition for global
4136         registers except PIC_OFFSET_TABLE_REGNUM.
4138 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
4140         PR/39518
4141         * doc/invoke.texi (-mconsole): New.
4142         (-mcygwin): New.
4143         (-mno-cygwin): New.
4144         (-mdll): New.
4145         (-mnop-fun-dllimport): New.
4146         (-mthread): New.
4147         (-mwin32): New.
4148         (-mwindows): New.
4149         (sub section "i386 and x86-64 Windows Options"): New.
4151 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
4153         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4154         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4156 2009-03-25  Richard Guenther  <rguenther@suse.de>
4158         PR middle-end/39497
4159         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4160         of -Wno-error.
4162 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
4164         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4165         neither of haifa/selective schedulers are working.
4167 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4169         * doc/invoke.texi (Debugging Options): Fix description of
4170         -fno-merge-debug-strings.
4172 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
4174         * config/cris/libgcc.ver: New version-script.
4175         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4177         * configure.ac <GAS features, nop mnemonic>: Add pattern
4178         crisv32-*-* for "nop".
4179         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4180         * configure: Regenerate.
4182 2009-03-24  Ira Rosen  <irar@il.ibm.com>
4184         PR tree-optimization/39529
4185         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4186         mark_sym_for_renaming for the tag copied to the new vector
4187         pointer.
4189 2009-03-24  Arthur Loiret  <aloiret@debian.org>
4191         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4192         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4193         EXTRA_SPEC_FUNCTIONS.
4194         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4195         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4196         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4197         -march and -mtune options.
4199 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
4201         * config/m68k/t-rtems: Add m5329 multilib.
4203 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
4204             Jakub Jelinek  <jakub@redhat.com>
4206         PR debug/39524
4207         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4208         nodes.
4210 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4212         PR c/39495
4213         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4214         instead of c_parser_expression_conv, if original_code isn't one of the
4215         4 allowed comparison codes, fail.
4217 2009-03-23  Richard Guenther  <rguenther@suse.de>
4219         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4220         * tree.h (struct tree_type): Likewise.
4221         * reload.h (struct insn_chain): Likewise.
4222         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4223         * function.h (struct function): Likewise.
4224         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4226 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4228         PR tree-optimization/39516
4229         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4231 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
4233         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
4234         should be set true if BITS_PER_WORD of target is bigger than 32
4236 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
4238         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4239         Translate -B-options to -rpath-link.  Correct existing
4240         rpath-link and conditionalize on !nostdlib.
4242 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4244         * doc/extend.texi (Function Attributes, Variable Attributes):
4245         Fix typos.
4246         * doc/invoke.texi (Debugging Options, Optimize Options)
4247         (i386 and x86-64 Options, MCore Options): Likewise.
4249 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
4251         PR debug/37890
4252         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4253         it for block local namespace aliases.
4254         (gen_decl_die): Pass context_die to gen_namespace_die.
4256 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4258         PR c/39495
4259         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4260         minimum or maximum value.
4262 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
4264         * reginfo.c (globalize_reg): Recompute derived reg sets.
4266 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
4268         PR target/39063
4269         * libgcc2.c (mprotect): Do not use signed arguments for
4270         VirtualProtect, use DWORD arguments.  Also fix the 'may
4271         be used uninitialized' warning for the np variable.
4273 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4275         PR target/39496
4276         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4277         functions using regparm calling conventions when not optimizing.
4278         (ix86_function_sseregparm): Similarly for sseregparm calling
4279         conventions.
4281 2009-03-19  Li Feng  <nemokingdom@gmail.com>
4283         PR middle-end/39500
4284         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4285         dependence if the first conflict is after niter iterations.
4287 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
4289         PR middle-end/38609
4290         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4291         functions with dynamic stack-pointer adjustments.
4293 2009-03-19  Ben Elliston  <bje@au.ibm.com>
4295         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4296         option; change to -msdata=data.
4298 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4300         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4301         and -fopenmp.
4303 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
4305         PR target/35180
4306         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4308 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
4310         * doc/invoke.texi (Code Gen Options): Expand discussion of
4311         -fno-common.
4313 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
4315         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4316         * matrix-reorg.c (struct matrix_info): Likewise.
4317         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4318         * rtl.h (struct mem_attrs): Likewise.
4319         * df.h (struct df): Likewise.
4320         * tree-data-ref.h (struct data_dependence_relation): Likewise.
4321         * ira-int.h (struct ira_allocno): Likewise.
4322         * df-scan.c (struct df_collection_rec): Likewise.
4323         * ira.c (struct equivalence): Likewise.
4324         * function.c (struct temp_slot): Likewise.
4325         * cfgloop.h (struct loop): Likewise.
4327         PR debug/39485
4328         * function.c (use_register_for_decl): When not optimizing, disregard
4329         register keyword for variables with types containing methods.
4331 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
4333         PR middle-end/39447
4334         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4335         (is_simple_operand): Call contains_component_ref_p before calling data
4336         reference analysis that would fail on COMPONENT_REFs.
4338         * tree-vrp.c (search_for_addr_array): Fix formatting.
4340 2009-03-18  Richard Guenther  <rguenther@suse.de>
4342         * tree-vect-transform.c (vect_loop_versioning): Fold the
4343         generated comparisons.
4344         * tree-vectorizer.c (set_prologue_iterations): Likewise.
4345         (slpeel_tree_peel_loop_to_edge): Likewise.
4347 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4349         PR middle-end/37805
4350         * opts.c (print_specific_help): In addition to `undocumented',
4351         accept `separate' and `joined' flags if passed alone.  Describe
4352         output by the first matched one of those.
4353         (common_handle_option): Skip over empty strings.
4354         * gcc.c (display_help): Fix help string for `--help='.
4355         * doc/invoke.texi (Option Summary, Overall Options): With
4356         `--help=', classes and qualifiers can both be repeated, but
4357         only the latter can be negated.  One should not pass only
4358         negated qualifiers.  Fix markup and examples.
4360         Revert
4361         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
4362         PR middle-end/37805
4363         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4364         and -fhelp=separate.
4366 2009-03-17  Jing Yu  <jingyu@google.com>
4368         PR middle-end/39378
4369         * function.h (struct rtl_data): Move is_thunk from here...
4370         (struct function): ...to here.
4371         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4372         * varasm.c (assemble_start_function): Change is_thunk from crtl to
4373         cfun.
4374         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4375         cfun.
4376         (alpha_does_function_need_gp, alpha_start_function): Likewise.
4377         (alpha_output_function_end_prologue): Likewise.
4378         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4379         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4380         (rs6000_output_function_epilogue): Likewise.
4381         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4383 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
4385         PR target/39482
4386         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4387         from different units in a single alternative.
4388         (*truncdfsf_i387): Ditto.
4389         (*truncxfsf2_mixed): Ditto.
4390         (*truncxfdf2_mixed): Ditto.
4392 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
4394         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4395         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4397         PR debug/39474
4398         * tree-ssa-live.c (remove_unused_locals): Don't remove local
4399         unused non-artificial variables when not optimizing.
4401         PR debug/39471
4402         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4403         DW_TAG_imported_module even if decl is IMPORTED_DECL with
4404         NAMESPACE_DECL in its DECL_INITIAL.
4406         PR middle-end/39443
4407         * optabs.c (set_user_assembler_libfunc): New function.
4408         * expr.h (set_user_assembler_libfunc): New prototype.
4409         * c-common.c: Include libfuncs.h.
4410         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4411         for memcmp, memset, memcpy, memmove and abort.
4412         * Makefile.in (c-common.o): Depend on libfuncs.h.
4414         PR debug/39412
4415         * dwarf2out.c (gen_inlined_enumeration_type_die,
4416         gen_inlined_structure_type_die, gen_inlined_union_type_die,
4417         gen_tagged_type_instantiation_die): Removed.
4418         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4419         do nothing.
4421 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
4423         PR testsuite/38526
4424         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4425         its use.
4426         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4427         (check-parallel-%): Ditto.
4428         (check-consistency): Ditto.
4430 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
4432         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4433         local variable rhs by NULL_TREE.
4435 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4437         PR target/39477
4438         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4440 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4442         PR target/39476
4443         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4445 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4447         PR target/39473
4448         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4449         for ms->sysv ABI calls only in 64bit mode.
4451         * config/i386/i386.md (untyped_call): Support 32bit.
4453 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
4455         * doc/extend.texi: Replace x86_65 with x86_64.
4457 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
4459         PR tree-optimization/39455
4460         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4461         mismatches for POINTER_TYPE_P (type).
4462         (number_of_iterations_le): Likewise.
4464 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
4466         * config/picochip/picochip.c: Removed profiling support.
4467         * config/picochip/picochip.md: Removed profiling instruction.
4468         * config/picochip/picochip.h: Removed profiling builtin.
4470 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
4472         * doc/install.texi (--with-host-libstdcxx): Document.
4474 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
4476         PR target/34299
4477         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4478         generate a warning if the function name does not begin with
4479         "__vector" and the function has either the 'signal' or 'interrupt'
4480         attribute, from here to ...
4481         (avr_declare_function_name): ...here. New function.
4482         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4483         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4485 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
4487         PR bootstrap/39454
4488         * cse.c (fold_rtx): Don't modify original const_arg1 when
4489         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4490         separate variable instead.
4491         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4492         from out of range shift counts.
4493         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4495 2008-03-13  Catherine Moore  <clm@codesourcery.com>
4497         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4498         diagnostic.h with $(DIAGNOSTIC_H).
4500 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
4502         PR target/39431
4503         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4504         predicate.
4505         * config/i386/sync.md (sync_compare_and_swap<mode>,
4506         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4507         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4508         into a register.
4509         (sync_double_compare_and_swapdi_pic,
4510         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4511         cmpxchg8b_pic_memory_operand instead of just memory_operand.
4513 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4515         PR target/39445
4516         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4518 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4520         PR target/39327
4521         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4522         (avx_addsubv4df3): Likewise.
4523         (*avx_addsubv4sf3): Likewise.
4524         (sse3_addsubv4sf3): Likewise.
4526 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4528         PR target/38824
4529         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4531 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
4533         PR debug/39432
4534         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4535         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4536         registers for allocnos created from user-defined variables.
4538 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4540         PR target/39181
4541         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4542         of non-integer mode as well.
4544 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
4546         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4547         for functions for which the parameter types are unknown.
4549 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
4551         PR target/39137
4552         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4553         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4554         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4555         * config/i386/i386.c (ix86_local_alignment): For
4556         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4557         long long variables on the stack to avoid dynamic realignment.
4558         Allow the first argument to be a decl rather than type.
4559         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4561 2009-03-11  Nick Clifton  <nickc@redhat.com>
4563         PR target/5362
4564         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4565         options.
4566         Add description to mno-lsim option.
4567         * config/mcore/mcore.h: Remove comment about deprecated m4align
4568         option.
4569         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4570         * doc/invoke.texi: Add description of mno-lsim and
4571         mstack-increment options.
4573         * config/fr30/fr30.opt: Document the -mno-lsim option.
4574         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4575         and -mno-lsim options.
4577 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4579         * fold-const.c (fold_comparison): Only call fold_inf_compare
4580         if the mode supports infinities.
4582 2009-03-11  Jason Merrill  <jason@redhat.com>
4584         PR debug/39086
4585         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4586         end already did.  Notice GIMPLE_CALL modifications of the result.
4587         Don't copy debug information from an ignored decl or a decl from
4588         another function.
4590 2009-03-10  Richard Guenther  <rguenther@suse.de>
4591             Nathan Froyd  <froydnj@codesourcery.com>
4593         PR middle-end/37850
4594         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4595         (__divMODE3): Likewise.
4597 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
4599         PR tree-optimization/39394
4600         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4601         DECL_SIZE_UNIT of variable length FIELD_DECLs.
4603 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4605         * recog.c (verfiy_changes): Disallow renaming of hard regs in
4606         inline asms for register asm ("") declarations.
4608 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
4610         * fold-const.c (fold_unary): Fix comment.
4612 2009-03-07  Jan Hubicka  <jh@suse.cz>
4614         PR target/39361
4615         * tree-inline.c (setup_one_parameter): Do replacement of const
4616         argument by constant in SSA form.
4618 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4620         PR middle-end/38028
4621         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4622         determine alignment passed to assign_stack_local.
4623         (assign_parms_unsplit_complex): Likewise.
4624         * except.c (sjlj_build_landing_pads): Likewise.
4626 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4628         PR middle-end/39360
4629         * tree-flow.h (add_referenced_var): Return bool instead of void.
4630         * tree-dfa.c (add_referenced_var): Return result of
4631         referenced_var_check_and_insert call.
4632         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4633         of referenced_var_check_and_insert.
4635         PR debug/39372
4636         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4637         (gen_variable_die): Emit DW_AT_location on abstract static variable's
4638         DIE, don't emit it if abstract origin already has it.
4639         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4640         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4642 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4644         * genpreds.c (needs_variable): Fix parentheses at variable name
4645         detection.
4646         (write_tm_constrs_h): Indent generated code.
4648 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4650         * doc/extend.texi (Function Attributes): Add documentation
4651         for isr attributes.
4653 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4655         PR debug/39387
4656         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4657         take locus from its DECL_SOURCE_LOCATION instead of input_location.
4659 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4661         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4662         the loop as bad.
4664 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
4666         PR debug/39379
4667         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4668         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4670 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
4672         * config/i386/i386.md (R8_REG, R9_REG): New constants.
4673         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4674         constants instead of magic numbers.
4675         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4676         (QI_REG_P): Ditto.
4677         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4678         (x86_64_ms_abi_int_parameter_registers): Ditto.
4679         (x86_64_int_return_registers): Ditto.
4680         (ix86_maybe_switch_abi): Ditto.
4681         (ix86_expand_call): Ditto for clobbered_registers array.
4682         (ix86_hard_regno_mode_ok): Ditto.
4683         (x86_extended_QIreg_mentioned_p): Ditto.
4685 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
4687         PR tree-optimization/39349
4688         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4690         * combine.c (gen_lowpart_for_combine): Use omode when generating
4691         clobber.
4693 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
4695         PR rtl-optimization/39235
4696         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4698 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4700         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4702 2009-03-04  Richard Guenther  <rguenther@suse.de>
4704         PR tree-optimization/39362
4705         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4706         that occur in abnormal PHIs should be varying.
4708 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4710         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4711         Extend comments.
4712         (simple_iv):  Take loop as an argument instead of statement.
4713         * tree-scalar-evolution.h (simple_iv): Declaration changed.
4714         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4715         to simple_iv.
4716         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4717         Ditto.
4718         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4719         * matrix-reorg.c (analyze_transpose): Ditto.
4720         * tree-data-ref.c (dr_analyze_innermost): Ditto.
4721         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4722         * tree-predcom.c (ref_at_iteration): Ditto.
4723         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4725 2009-03-04  Richard Guenther  <rguenther@suse.de>
4727         PR tree-optimization/39358
4728         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4729         escaped_id and callused_id.
4730         (solve_graph): Likewise.
4732 2009-03-04  Richard Guenther  <rguenther@suse.de>
4734         PR tree-optimization/39339
4735         * tree-sra.c (try_instantiate_multiple_fields): Make it
4736         no longer ICE on the above.
4738 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
4740         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4741         that fits within Pmode.
4743 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4745         PR middle-end/10109
4746         * tm.texi (LIBCALL_VALUE): Update description.
4748 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4750         PR middle-end/34443
4751         * doc/extend.texi (section): Update description.
4753 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
4755         PR middle-end/39345
4756         * tree-inline.c (remapped_type): New.
4757         (can_be_nonlocal): Call remapped_type instead of remap_type.
4759 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4761         PR fortran/39354
4762         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4763         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4765 2009-03-03  Richard Guenther  <rguenther@suse.de>
4767         PR middle-end/39272
4768         * tree.c (tree_nonartificial_location): New function.
4769         * tree.h (tree_nonartificial_location): Declare.
4770         * builtins.c (expand_builtin_memory_chk): Provide location
4771         of the call location for artificial function pieces.
4772         (maybe_emit_chk_warning): Likewise.
4773         (maybe_emit_sprintf_chk_warning): Likewise.
4774         (maybe_emit_free_warning): Likewise.
4775         * expr.c (expand_expr_real_1): Likewise.
4777 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4779         PR tree-optimization/39343
4780         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4781         COMPONENT_REF t has ARRAY_TYPE.
4783 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4785         PR middle-end/39335
4786         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4787         when the type precision of the induction variable should be
4788         larger than the type precision of nit.
4789         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4790         * graphite.c (graphite_loop_normal_form): Same.
4791         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4793 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4795         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4796         (*call_1_rex64_ms_sysv): Use named constants instead of magic
4797         numbers to describe clobbered registers.
4798         (*call_value_0_rex64_ms_sysv): Ditto.
4799         * config/i386/mmx.md (mmx_emms): Ditto.
4800         (mmx_femms): Ditto.
4802 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
4804         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4805         of ABI_64.
4807 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4809         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4810         (spu_section_type_flags): New function.
4812 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4814         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4815         reg_class_contents of FLOAT_REGS into a temporary.
4817 2009-03-02  Richard Guenther  <rguenther@suse.de>
4818             Ira Rosen  <irar@il.ibm.com>
4820         PR tree-optimization/39318
4821         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4822         information to the vectorized statement.
4824 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
4826         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4827         variable.  Use defined names instead of magic constants for REX SSE
4828         registers.
4830 2009-03-01  Richard Guenther  <rguenther@suse.de>
4832         PR tree-optimization/39331
4833         * omp-low.c (lower_send_shared_vars): Do not receive new
4834         values for the reference of DECL_BY_REFERENCE parms or results.
4836 2009-03-01  Jan Hubicka  <jh@suse.cz>
4838         PR debug/39267
4839         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4840         BLOCK_NONLOCALIZED_VAR): New macros.
4841         (tree_block): Add nonlocalized_vars.
4842         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4843         gen_decl_die): Add origin argument.  Allow generation of die with
4844         origin at hand only.
4845         (gen_member_die, gen_type_die_with_usage, force_decl_die,
4846         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4847         of gen_*.
4848         (gen_block_die): Fix checking for unused blocks.
4849         (process_scope_var): Break out from .... ; work with origins only.
4850         (decls_for_scope) ... here; process nonlocalized list.
4851         (dwarf2out_ignore_block): Look for nonlocalized vars.
4852         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4853         vars.
4854         (dump_scope_block): Dump them.
4855         * tree-inline.c (remap_decls): Handle nonlocalized vars.
4856         (remap_block): Likewise.
4857         (can_be_nonlocal): New predicate.
4858         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4860 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4862         * configure: Regenerate.
4864 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4866         * optc-gen.awk: No need to duplicate option flags twice.
4867         Reuse help texts for duplicate options which do not have any.
4869         * gcc.c (display_help): Document --version.
4871         * gcc.c (main): If print_help_list and verbose_flag, ensure
4872         driver output comes before subprocess output.
4874         * optc-gen.awk: Assign all remaining fields to help string,
4875         space-separated, for multi-line help in *.opt.
4877         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4878         -Wno-pedantic-ms-format is for MinGW targets only.
4880         * doc/options.texi (Option file format): Fix bad indentation,
4881         restoring dropped sentence.
4883 2009-02-28  Jan Hubicka  <jh@suse.cz>
4885         * tree-inline.c (tree_function_versioning): Output debug info.
4887 2009-02-28  Jan Hubicka  <jh@suse.cz>
4889         PR debug/39267
4890         * tree-inline.c (setup_one_parameter): Do not copy propagate
4891         arguments when not optimizing.
4893 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
4895         PR target/39327
4896         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4897         (avx_addsubv4df3): Likewise.
4898         (*avx_addsubv4sf3): Likewise.
4899         (sse3_addsubv4sf3): Likewise.
4900         (*avx_addsubv2df3): Likewise.
4901         (sse3_addsubv2df3): Likewise.
4902         (avx_unpckhps256): Correct item selectors.
4903         (avx_unpcklps256): Likewise.
4904         (avx_unpckhpd256): Likewise.
4905         (avx_unpcklpd256): Likewise.
4907 2009-02-28  Jan Hubicka  <jh@suse.cz>
4909         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4910         static vars.
4911         (copy_arguments_for_versioning): If var is declared don't declare it.
4912         (tree_function_versioning): First setup substitutions and then copy
4913         args.
4915 2009-02-27  Jan Hubicka  <jh@suse.cz>
4917         PR debug/39267
4918         * cgraph.h (varpool_output_debug_info): Remove.
4919         * cgraphunit.c (varpool_output_debug_info): Remove.
4920         * dwarf2out.c (deferred_locations_struct): New struct
4921         (deferred_locations): New type.
4922         (deferred_locations_list): New static var.
4923         (deffer_location): New function.
4924         (gen_variable_die): Use it.
4925         (decls_for_scope): Output info on local static vars.
4926         (dwarf2out_finish): Process deferred locations.
4927         * varpool.c (varpool_output_debug_info): Remove.
4929 2009-02-27  Jan Hubicka  <jh@suse.cz>
4931         PR debug/39267
4932         * tree.h (TREE_PROTECTED): Fix comment.
4933         (BLOCK_HANDLER_BLOCK): Remove.
4934         (struct tree_block): Remove handler_block add body_block.
4935         (inlined_function_outer_scope_p): New.
4936         (is_body_block): Remove.
4937         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4938         * dwarf2out.c (is_inlined_entry_point): Remove.
4939         (add_high_low_attributes): Use inlined_function_outer_scope_p.
4940         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
4941         code.
4942         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4943         * gimplify.c (gimplify_expr): Gimplify body blocks.
4944         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4945         block with multiple subblocks.
4946         (dump_scope_block): Prettier output; dump more flags and info.
4947         (dump_scope_blocks): New.
4948         (remove_unused_locals): Use dump_scope_blocks.
4949         * tree-flow.h (dump_scope_blocks): Declare.
4950         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4951         * stmt.c (is_body_block): Remove.
4952         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4953         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4955 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4957         PR middle-end/39308
4958         * graphite.c (graphite_loop_normal_form): Do not call 
4959         number_of_iterations_exit from a gcc_assert.
4961 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4963         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4964         jumps if COND is NULL.
4965         (find_cond_jump): New function.
4966         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4967         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4969 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
4971         * config/alpha/alpha.h (alpha_expand_mov): Return false if
4972         force_const_mem returns NULL_RTX.
4974 2009-02-26  Jan Hubicka  <jh@suse.cz>
4976         PR debug/39267
4977         * cgraph.h (varpool_output_debug_info): Remove.
4978         * cgraphunit.c (varpool_output_debug_info): Remove.
4979         * dwarf2out.c (deferred_locations_struct): New struct
4980         (deferred_locations): New type.
4981         (deferred_locations_list): New static var.
4982         (deffer_location): New function.
4983         (gen_variable_die): Use it.
4984         (decls_for_scope): Output info on local static vars.
4985         (dwarf2out_finish): Process deferred locations.
4986         * varpool.c (varpool_output_debug_info): Remove.
4988 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
4990         PR rtl-optimization/39241
4991         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4992         to subreg_offset_representable_p.
4994 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4996         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4997         execute function prototype.  Get f and nregs from max_reg_num
4998         and get_insns.  Remove the first backward pass as it's dead,
4999         guard the forward pass by flag_expensive_optimizations.
5000         (rest_of_handle_regmove): Delete.
5001         (pass_regmove): Replace it with regmove_optimize.
5003 2009-02-25  Martin Jambor  <mjambor@suse.cz>
5005         PR tree-optimization/39259
5006         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
5007         calls_alloca function flags.
5008         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
5009         calls are detected.
5011 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
5013         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
5014         flags_set_1_rtx, flags_set_1_set): Delete.
5015         (regmove_optimize): Do not call mark_flags_life_zones.
5017 2009-02-24  Julian Brown  <julian@codesourcery.com>
5019         PR target/35965
5020         * config/arm/arm.c (require_pic_register): Only set
5021         cfun->machine->pic_reg once per function.
5023 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
5025         * doc/invoke.texi (Link Options): Document an easier way to pass
5026         options that take arguments to the GNU linker using -Xlinker and -Wl.
5028 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
5030         PR target/33785
5031         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
5033 2009-02-24  Richard Guenther  <rguenther@suse.de>
5035         PR debug/39285
5036         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
5038 2009-02-24  Richard Guenther  <rguenther@suse.de>
5039             Zdenek Dvorak  <ook@ucw.cz>
5041         PR tree-optimization/39233
5042         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
5043         from converting them to a generic type.
5045 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5047         PR tree-optimization/39260
5048         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
5049         contains a condition with a real type.
5050         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
5052 2009-02-23  Jason Merrill  <jason@redhat.com>
5054         PR c++/38880
5055         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
5056         narrowing_initializer_constant_valid_p.
5057         (narrowing_initializer_constant_valid_p): Don't return 
5058         null_pointer_node for adding a pointer to itself.
5060 2009-02-23  Jan Hubicka  <jh@suse.cz>
5062         PR c/12245
5063         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
5064         resizing.
5066 2009-02-23  Jan Hubicka  <jh@suse.cz>
5068         PR tree-optimization/37709
5069         * tree.c (block_ultimate_origin): Move here from dwarf2out.
5070         * tree.h (block_ultimate_origin): Declare.
5071         * dwarf2out.c (block_ultimate_origin): Move to tree.c
5072         * tree-ssa-live.c (remove_unused_scope_block_p):
5073         Eliminate blocks containig no instructions nor live variables nor
5074         nested blocks.
5075         (dump_scope_block): New function.
5076         (remove_unused_locals): Enable removal of dead blocks by default;
5077         enable dumping at TDF_DETAILS.
5079 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5081         * config/i386/i386.c (classify_argument): Don't allow COImode
5082         and OImode.
5083         (function_arg_advance_32): Don't allow OImode.
5084         (function_arg_32): Likewise.
5085         (function_value_32): Likewise.
5086         (return_in_memory_32): Likewise.
5087         (function_arg_64): Remove OImode comment.
5089 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5091         PR target/39261
5092         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
5093         ix86_expand_vector_set for V4DImode in 64bit mode only.
5094         (ix86_expand_vector_init_one_var): Likewise.
5096 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5098         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
5100 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5102         PR bootstrap/39257
5103         * loop-iv.c: Revert last change.
5104         * emit-rtl.c: Likewise.
5106 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5108         PR target/39256
5109         * config/i386/i386.c (type_natural_mode): Remove an extra
5110         space in the warning message.
5111         (function_value_32): Handle 32-byte vector modes.
5112         (return_in_memory_32): Likewise.
5114 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5116         * loop-iv.c (truncate_value): New function.
5117         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
5118         of lowpart_subreg.
5119         (lowpart_subreg): Move to...
5120         * emit-rtl.c: ...here.
5122 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
5124         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
5125         accidental and undocumented change at revision 140860.
5127 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
5129         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
5130         take gimple_seq * arguments.
5131         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5132         types_compatible_p langhook.
5134 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
5135             Joseph Myers  <joseph@codesourcery.com>
5137         * config/arm/arm.c (arm_builtin_va_list): New function.
5138         (arm_expand_builtin_va_start): Likewise.
5139         (arm_gimplify_va_arg_expr): Likewise.
5140         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5141         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5142         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5143         (va_list_type): New variable.
5144         (arm_mangle_type): Mangle va_list_type appropriately.
5146 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5148         PR middle-end/39157
5149         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5150         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5151         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5152         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5153         parameter to 1000 for -O1 by default.
5154         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5155         parameter.
5156         * loop-invariant.c: Include params.h.
5157         (move_loop_invariants): Don't call move_single_loop_invariants on
5158         very large loops.
5160 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
5162         * calls.c (emit_library_call_value_1): Use slot_offset instead of
5163         offset when calculating bounds for indexing stack_usage_map.  Fixes
5164         a buffer overflow with certain target setups.
5166 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5168         PR target/39240
5169         * calls.c (expand_call): Clear try_tail_call if caller and callee
5170         disagree in promotion of function return value.
5172 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
5174         PR target/39175
5175         * c-common.c (c_determine_visibility): If visibility changed and
5176         DECL_RTL has been already set, call make_decl_rtl to update symbol
5177         flags.
5179 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
5181         PR c++/39188
5182         * varasm.c (assemble_variable): Don't check DECL_NAME when
5183         globalizing a variable.
5185 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
5187         PR c/38483
5188         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5189         expression before any __builtin_trap call.
5190         * c-typeck.c (build_function_call): Convert and check function
5191         arguments before generating a call to a trap.  Evaluate the
5192         function arguments before the trap.
5194 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
5196         PR target/39228
5197         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5198         (UNSPEC_FXAM_MEM): New unspec.
5199         (fxam<mode>2_i387_with_temp): New insn and split pattern.
5200         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
5201         memory using fxam<mode>2_i387_with_temp to remove excess precision.
5203 2009-02-19  Richard Guenther  <rguenther@suse.de>
5205         PR tree-optimization/39207
5206         PR tree-optimization/39074
5207         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5208         storedanything_tree): New.
5209         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
5210         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5211         (build_succ_graph): Add edges from STOREDANYTHING to all
5212         non-direct nodes.
5213         (init_base_vars): Initialize STOREDANYTHING.
5214         (compute_points_to_sets): Free substitution info after
5215         building the succ graph.
5216         (ipa_pta_execute): Likewise.
5218         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5219         field.
5220         (do_ds_constraint): Do not add to special var or non-pointer
5221         field solutions.
5222         (type_could_have_pointers): Split out from ...
5223         (could_have_pointers): ... here.  For arrays use the element type.
5224         (create_variable_info_for): Initialize may_have_pointers.
5225         (new_var_info): Likewise.
5226         (handle_lhs_call): Make the HEAP variable unknown-sized.
5227         (intra_create_variable_infos): Use a type with pointers for
5228         PARM_NOALIAS, make it unknown-sized.
5230 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
5232         PR target/39224
5233         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5235 2009-02-18  Jason Merrill  <jason@redhat.com>
5237         PR target/39179
5238         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5239         value if DECL_EXTERNAL.
5240         * tree-sra.c (sra_walk_gimple_assign): Likewise.
5241         * target.h (gcc_target::binds_local_p): Clarify "module".
5242         * tree.h (TREE_PUBLIC): Clarify "module".
5244 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
5246         PR target/38891
5247         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5248         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5250 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
5252         PR target/39082
5253         * c.opt (Wabi): Support C and ObjC.
5254         (Wpsabi): New.
5256         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5258         * config/i386/i386.c (classify_argument): Warn once about the ABI
5259         change when passing union with long double.
5261         * doc/invoke.texi: Update -Wabi for warning psABI changes.
5263 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
5265         PR c/35447
5266         * c-parser.c (c_parser_compound_statement): Always enter and leave
5267         a scope.
5269 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5271         PR target/34587
5272         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5274 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
5276         PR tree-optimization/36922
5277         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5278         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5279         Likewise.
5281 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5283         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5284         to 0 for EABI64.
5286 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5288         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5290 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5292         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5293         tree sharing.
5295 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
5296             Richard Sandiford  <rdsandiford@googlemail.com>
5298         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5299         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5300         (loongson_biadd): ...this.
5302 2009-02-17  Richard Guenther  <rguenther@suse.de>
5304         PR tree-optimization/39202
5305         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5306         a var make sure to follow existing collapses.
5308 2009-02-17  Richard Guenther  <rguenther@suse.de>
5310         PR middle-end/39214
5311         * langhooks.c (lhd_print_error_function): Check for NULL block.
5313 2009-02-17  Richard Guenther  <rguenther@suse.de>
5315         PR tree-optimization/39204
5316         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5317         of the PHI arg.
5319 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
5321         * config/soft-fp/double.h: Update from glibc CVS.
5323 2009-02-17  Richard Guenther  <rguenther@suse.de>
5325         PR tree-optimization/39207
5326         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5327         strict-aliasing warnings for pointers pointing to NULL.
5329 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
5331         PR c/35446
5332         * c-parser.c (c_parser_braced_init): Call pop_init_level when
5333         skipping until next close brace.
5335 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5337         PR target/37049
5338         * config/i386/i386.c (ix86_expand_push): Set memory alignment
5339         to function argument boundary.
5341 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
5343         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5344         in the lea_add. Reload eventually constraints it properly.
5345         * config/picochip/constraints.md : Remove the target constraint
5346         "b", since it is not needed anymore.
5348 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
5350         * gthr-dce.h: Uglify function parameter and local variable names.
5351         * gthr-gnat.h: Likewise.
5352         * gthr-mipssde.h: Likewise.
5353         * gthr-nks.h: Likewise.
5354         * gthr-posix95.h: Likewise.
5355         * gthr-posix.h: Likewise.
5356         * gthr-rtems.h: Likewise.
5357         * gthr-single.h: Likewise.
5358         * gthr-solaris.h: Likewise.
5359         * gthr-tpf.h: Likewise.
5360         * gthr-vxworks.h: Likewise.
5361         * gthr-win32.h: Likewise.
5363 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
5365         PR target/39196
5366         * config/i386/i386.md: Restrict the new peephole2 to move
5367         between MMX/SSE registers.
5369 2009-02-15  Richard Guenther  <rguenther@suse.de>
5371         Revert
5372         2009-02-13  Richard Guenther  <rguenther@suse.de>
5374         * configure.ac: Enable LFS.
5375         * configure: Re-generate.
5376         * config.in: Likewise.
5378 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5380         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5381         spu_srqwbyte, spu_srqwbytebc): Define.
5382         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5383         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5384         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5385         "shrqby_<mode>"): New insn-and-split patterns.
5386         * config/spu/spu.c (expand_builtin_args): Determine and return
5387         number of operands using spu_builtin_description data.
5388         (spu_expand_builtin_1): Use it.
5390 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
5392         PR target/38056
5393         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5394         TARGET_CONST_GP.
5396 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5398         PR target/39149
5399         * config/i386/i386.c (override_options): Correct warning
5400         messages for -malign-loops, -malign-jumps and -malign-functions.
5402 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5404         PR target/39152
5405         * config/i386/i386.md: Restrict the new peephole2 to move
5406         between the general purpose registers.
5408 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5410         PR target/39162
5411         * config/i386/i386.c (type_natural_mode): Add a new argument.
5412         Return the original mode and warn ABI change if vector size is 32byte.
5413         (function_arg_advance): Updated.
5414         (function_arg): Likewise.
5415         (ix86_function_value): Likewise.
5416         (ix86_return_in_memory): Likewise.
5417         (ix86_sol10_return_in_memory): Likewise.
5418         (ix86_gimplify_va_arg): Likewise.
5419         (function_arg_32): Don't warn ABX ABI change here.
5420         (function_arg_64): Likewise.
5422 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
5424         * loop-iv.c (implies_p): In the final case, test that operands 0
5425         of the two comparisons match.
5427         * config/bfin/bfin.c (find_prev_insn_start): New function.
5428         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5429         (find_next_insn_start): Move.
5431 2009-02-13  Richard Guenther  <rguenther@suse.de>
5433         * configure.ac: Enable LFS.
5434         * configure: Re-generate.
5435         * config.in: Likewise.
5437 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
5439         PR c/35444
5440         * c-parser.c (c_parser_parms_list_declarator): Discard pending
5441         sizes on syntax error after some arguments have been parsed.
5443 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5445         * doc/invoke.texi (-fira): Remove.
5447 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5449         * caller-save.c: Replace regclass.c with reginfo.c in comments.
5450         * recog.c: Likewise.
5451         * rtl.h: Likewise.
5453 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
5455         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5456         (umul_ppmm): Likewise.
5457         (count_leading_zeros): Likewise.
5458         (count_trailing_zeros): Likewise.
5459         (UMUL_TIME): Likewise.
5461 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5463         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5464         soft-fp/t-softfp to tmake_file.
5466         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5467         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5468         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5469         IA64_BUILTIN_INFQ]: New.
5470         (ia64_init_builtins): Initialize __builtin_infq,
5471         __builtin_fabsq and __builtin_copysignq if not HPUX.
5472         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5473         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5475         * config/ia64/lib1funcs.asm (__divtf3): Define only if
5476         SHARED is defined.
5477         (__fixtfti): Likewise.
5478         (__fixunstfti): Likewise.
5479         (__floattitf): Likewise.
5481         * config/ia64/libgcc-glibc.ver: New.
5482         * config/ia64/t-fprules-softfp: Likewise.
5483         * config/ia64/sfp-machine.h: Likewise.
5485         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5486         (LIBGCC2_TF_CEXT): Likewise.
5487         (TF_SIZE): Likewise.
5488         (TARGET_INIT_LIBFUNCS): Likewise.
5490         * config/ia64/t-glibc (SHLINB_MAPFILES):
5491         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5493 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5495         * config/i386/i386.c (construct_container): Rewrite processing
5496         BLKmode with X86_64_SSE_CLASS.
5498 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
5500         PR target/39152
5501         * config/i386/i386.md: Replace simplify_replace_rtx with
5502         replace_rtx in the new peephole2.
5504 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
5506         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5507         loop unrolling do not happen at -O2.
5509 2009-02-12  Michael Matz  <matz@suse.de>
5511         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5513 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5515         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5516         for -g3.
5518 2009-02-12  Ben Elliston  <bje@au.ibm.com>
5520         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5521         patterns when updating the back chain.  Missed in the 2009-02-10
5522         change.
5524 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
5526         * doc/extend.texi (Decimal Floating Types): Update identifier of
5527         draft TR and list of missing support.
5529 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
5531         PR middle-end/39154
5532         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5533         bit to variable length decl's flags, add it also to its
5534         pointer replacement variable.
5536 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
5537             Jakub Jelinek  <jakub@redhat.com>
5539         PR target/39118
5540         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5541         (memory_blockage): New expander.
5542         (*memory_blockage): New insn pattern.
5543         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5544         instead of general blockage at the end of function prologue when
5545         frame pointer is used to access red zone area.  Do not emit blockage
5546         when profiling, it is emitted in generic code.
5547         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5548         function epilogue when frame pointer is used to access red zone area.
5550 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
5552         PR target/38824
5553         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5554         by arithmetic with memory operands.
5555         * config/i386/predicates.md (commutative_operator): New.
5557 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
5559         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5560         bulleted lists.
5562 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5564         * alias.h (record_alias_subset): Declare.
5565         * alias.c (record_alias_subset): Make global.
5567 2009-02-10  Nick Clifton  <nickc@redhat.com>
5569         * tree-parloops.c: Change license to GPLv3.
5570         * ipa-struct-reorg.c: Change license to GPLv3.
5571         * ipa-struct-reorg.h: Change license to GPLv3.
5573 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
5575         PR c/39084
5576         * c-decl.c (start_struct): Return NULL on error.
5578 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
5580         PR middle-end/39124
5581         * cfgloopmanip.c (remove_path): Call remove_bbs after
5582         cancel_loop_tree, not before it.
5584         PR target/39139
5585         * function.h (struct function): Add has_local_explicit_reg_vars bit.
5586         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5587         VAR_DECLs were seen.
5588         * tree-ssa-live.c (remove_unused_locals): Recompute
5589         cfun->has_local_explicit_reg_vars.
5590         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5591         copies or clearings if cfun->has_local_explicit_reg_vars.
5593 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
5595         PR target/39118
5596         * config/i386/i386.c (expand_prologue): Emit blockage at the end
5597         of function prologue when frame pointer is used to access
5598         red zone area.
5600 2009-02-10  Richard Guenther  <rguenther@suse.de>
5602         PR middle-end/39127
5603         * gimplify.c (gimple_regimplify_operands): Always look if
5604         we need to create a temporary.
5606 2009-02-10  Richard Guenther  <rguenther@suse.de>
5608         PR tree-optimization/39132
5609         * tree-loop-distribution.c (todo): New global var.
5610         (generate_memset_zero): Trigger TODO_rebuild_alias.
5611         (tree_loop_distribution): Return todo.
5613 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
5615         PR target/39119
5616         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5617         (x86_64_reg_class_name): Removed.
5618         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
5619         first one isn't X86_64_SSE_CLASS or any other ones aren't
5620         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
5621         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5622         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
5623         and 3 X86_64_SSEUP_CLASS.
5624         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
5625         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5627 2009-02-10  Ben Elliston  <bje@au.ibm.com>
5629         * config/rs6000/rs6000.md (allocate_stack): Always use an update
5630         form instruction to update the stack back chain word, even if the
5631         user has disabled the generation of update instructions.
5632         (movdi_<mode>_update_stack): New.
5633         (movsi_update_stack): Likewise.
5634         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5635         always use an update form instruction to update the stack back
5636         chain word.
5638 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
5640         PR middle-end/38953
5641         * graphite.c (if_region_set_false_region): After moving a region in
5642         the false branch of a condition, remove the empty dummy basic block.
5643         (gloog): Remove wrong fix for PR38953.
5645 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5647         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5648         generation due to implicit sign extension.
5650 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
5652         PR middle-end/38981
5653         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5654         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5656 2009-02-09  Richard Guenther  <rguenther@suse.de>
5658         PR middle-end/35202
5659         * convert.c (convert_to_real): Disable (float)fn((double)x)
5660         to fnf(x) conversion if errno differences may occur and
5661         -fmath-errno is set.
5663 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
5665         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5666         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5667         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5669 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5671         PR c/35434
5672         * c-common.c (handle_alias_attribute): Disallow attribute for
5673         anything not a FUNCTION_DECL or VAR_DECL.
5675 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
5677         PR c/39035
5678         * real.c (do_compare): Special-case compare of zero against
5679         decimal float value.
5681 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5683         PR c/36432
5684         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5685         as indicating flexible array members unless the field itself is
5686         being declarared as the incomplete array.
5688 2009-02-06  Jan Hubicka  <jh@suse.cz>
5690         PR tree-optimization/38844
5691         * ipa-inline.c (try_inline): Stop inlining recursion when edge
5692         is already inlined.
5694 2009-02-06  Richard Guenther  <rguenther@suse.de>
5696         PR middle-end/38977
5697         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5698         fork because we may expand it as __gcov_fork.
5700 2009-02-06  Nick Clifton  <nickc@redhat.com>
5702         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5704 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
5706         PR tree-optimization/35659
5707         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5708         vn_phi_eq): Shortcut if hashcode does not match.
5709         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5710         NULL operands.
5711         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5712         and avoid iterative_hash_expr.
5713         (FOR_EACH_VALUE_ID_IN_SET): New.
5714         (value_id_compare): Remove.
5715         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5716         sort expressions by value id.
5718 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
5720         PR target/38991
5721         * config/sh/predicates.md (general_movsrc_operand): Don't check
5722         the subreg of system registers here.
5724 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
5726         PR c++/39106
5727         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5728         on the copied decl.
5730 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
5732         PR rtl-optimization/39110
5733         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5734         addresses, not aligned ones.
5736 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
5737             Richard Guenther  <rguenther@suse.de>
5739         PR tree-optimization/39100
5740         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5741         comment says and add edges.
5743 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
5745         PR c/35435
5746         * c-common.c (handle_tls_model_attribute): Ignore attribute for
5747         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5749 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
5751         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5752         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5753         register_bb_in_sese, new_sese, free_sese): Moved.
5754         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5755         outermost_loop_in_scop, build_scop_iteration_domain,
5756         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5757         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5758         Use loop_in_sese_p instead of loop_in_scop_p.
5759         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5760         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5761         (scopdet_basic_block_info): Fix bug in scop detection.
5762         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5763         eq_loop_to_cloog_loop): Remove.
5764         (nb_loops_around_loop_in_scop, nb_loop
5765         ref_nb_loops): Moved here...
5766         * graphite.h (ref_nb_loops): ... from here.
5767         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5768         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5769         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5770         * testsuite/gcc.dg/graphite/scop-19.c: New
5772 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
5773             Hans-Peter Nilsson  <hp@axis.com>
5775         PR rtl-optimization/37889
5776         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5777         Move offset handling from PLUS to before the switch.  Use new
5778         arguments when considering SYMBOL_REFs too.
5779         (rtx_addr_can_trap_p): Pass dummy offset and size.
5780         (enum may_trap_p_flags): Remove.
5781         (may_trap_p_1): Pass size from MEM_SIZE.
5783         PR rtl-optimization/38921
5784         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5785         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5786         * rtlanal.c (may_trap_after_code_motion_p): Delete.
5787         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5789 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
5791         AVX Programming Reference (January, 2009)
5792         * config/i386/sse.md (*vpclmulqdq): New.
5794 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
5796         PR tree-optimization/38977
5797         PR gcov-profile/38292
5798         * calls.c (special_function_p): Disregard __builtin_ prefix.
5800 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
5802         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5803         non-indexable addresses even before reload.
5805 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5807         PR c/29129
5808         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5809         as having variable size.  Do not give an error for unnamed
5810         parameters with [*] declarators.  Give a warning for type names
5811         with [*] declarators and mark them as variable size.
5812         * c-parser.c (c_parser_sizeof_expression): Do not give an error
5813         for sizeof applied to [*] type names.
5815 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5817         PR C++/36607
5818         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5820 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5822         * gcc.c (process_command): Update copyright notice dates.
5823         * gcov.c (print_version): Likewise.
5824         * gcov-dump.c (print_version): Likewise.
5825         * mips-tfile.c (main): Likewise.
5826         * mips-tdump.c (main): Likewise.
5828 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5830         PR c/35433
5831         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5832         for composite type involving a zero-length array type.
5834 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5836         PR target/35318
5837         * function.c (match_asm_constraints_1): Skip over
5838         initial optional % in the constraint.
5840         PR inline-asm/39059
5841         * c-parser.c (c_parser_postfix_expression): If fixed point is not
5842         supported, don't accept FIXED_CSTs.
5843         * c-decl.c (finish_declspecs): Error if fixed point is not supported
5844         and _Sat is used without _Fract/_Accum.  Set specs->type to
5845         integer_type_node for cts_fract/cts_accum if fixed point is not
5846         supported.
5848 2009-02-02  Catherine Moore  <clm@codesourcery.com>
5850         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5852 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
5854         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5855         (ABI_HAS_64BIT_SYMBOLS): Use it.
5856         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5858 2009-02-02  Paul Brook  <paul@codesourcery.com>
5860         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5862 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
5864         PR inline-asm/39058
5865         * recog.h (asm_operand_ok): Add constraints argument.
5866         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
5867         recurse on matching constraint.
5868         (check_asm_operands): Pass constraints as 3rd argument to
5869         asm_operand_ok.  Don't look up matching constraint here.
5870         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5871         to asm_operand_ok.
5873 2009-02-02  Ben Elliston  <bje@au.ibm.com>
5875         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5876         TARGET_NARROW_VOLATILE_BITFIELD macro names.
5878 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5880         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5881         information.  Remove some obsolete information.  Reorganize.
5883         * config/pa/fptr.c: Revert license to GPL 2.
5884         * config/pa/milli64.S: Likewise.
5886 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5888         PR target/38904
5889         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
5890         LIBRARY name in, instead of hard-coding it.
5891         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
5892         extra target make frag to tmake_files according to EH model.
5893         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
5894         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
5895         frags that define makefile variable EH_MODEL appropriately.
5896         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
5897         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
5898         to "-sjlj" according to type of EH configured.
5899         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5900         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
5901         to "_sjlj" according to type of EH configured.
5902         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5903         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
5904         (SHLIB_LINK):  Add missing semicolon to if-else construct.
5905         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5906         string value of "pe_dll" command-line option.
5907         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
5908         (SHLIB_SONAME):  Use it when overriding t-cygming default.
5909         (SHLIB_IMPLIB):  Override t-cygming default.
5910         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5911         string value of "pe_dll" command-line option.
5913 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5915         PR target/38952
5916         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5917         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5919 2009-01-31  Richard Guenther  <rguenther@suse.de>
5921         PR tree-optimization/38937
5922         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5923         computing the transitive closure.
5925 2009-01-30  Richard Guenther  <rguenther@suse.de>
5927         PR tree-optimization/39041
5928         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5929         Propagate variable indices only if the types match for this stmt.
5931 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
5933         PR target/39013
5934         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5935         inline but never defined.
5937 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
5939         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5940         (*insv_h_di_reg_extimm): New insn.
5941         (*insv_l<mode>_reg_extimm): New insn.
5943 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5945         * config/picochip/picochip.c (flag_conserve_stack): set
5946         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5947         fconserve-stack. Reduce call-overhead used by inliner.
5949 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5951         PR/38157
5952         * common.opt (flag_conserve_stack): Initialised to zero.
5954 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
5956         PR/39002
5957         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5958         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5959         method.
5961 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
5963         * ira-color.c (allocno_reload_assign): Update comments.
5964         * regmove.c (regmove_optimize): Likewise.
5966         * ra.h: Removed.
5968 2009-01-29  Robert Millan  <rmh@aybabtu.com>
5970         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5971         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
5972         `MD_UNWIND_SUPPORT'.
5973         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5975 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
5977         PR tree-optimization/39007
5978         * tree-loop-distribution.c (generate_builtin): Use
5979         recompute_dominator to compute the immediate dominator of the
5980         basic block just after the loop.
5982 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5984         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5985         (ASM_OUTPUT_DWARF_PCREL): Define.
5987 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
5989         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5990         * doc/passes.texi: Remove entries about regclass, local-alloc, and
5991         global.  Modify entries about regmove and IRA.
5993         * ra-conflict.c: Remove the file.
5995         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5997         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5998         (pass_regclass_init): Rename to pass_reginfo_init.
6000         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
6002         * toplev.h (flag_ira): Remove.
6004         * caller-save.c (setup_save_areas): Remove flag_ira.
6006         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
6008         * global.c: Remove the file.
6010         * opts.c (decode_options): Remove flag_ira.
6012         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
6014         * regmove.c: Modify file description.
6015         (find_use_as_address, try_auto_increment): Define them only if
6016         AUTO_INC_DEC is defined.
6017         (replacement_quality, replace_in_call_usage, fixup_match_1,
6018         stable_and_no_regs_but_for_p): Remove.
6019         (reg_set_in_bb): Make it static.
6020         (regmove_optimize): Remove flag_ira and code which worked for
6021         !flag_ira.
6023         * local-alloc.c: Remove the file.
6025         * common.opt (fira): Remove.
6027         * ira.c: Include except.h.
6028         (eliminable_regset): Move from global.c.
6029         (mark_elimination): Ditto.  Remove flag_ira.
6030         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
6031         equiv_mem_modified, validate_equiv_mem_from_store,
6032         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
6033         contains_replace_regs, memref_referenced_p, memref_used_between_p,
6034         no_equiv, recorded_label_ref): Move from local-alloc.c.
6035         (update_equiv_regs): Ditto.  Make it static.
6036         (print_insn_chain, print_insn_chains): Move it from global.c.
6037         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
6038         (build_insn_chain): Ditto.  Make it static.
6039         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
6040         Rename to init_live_subregs.
6041         (gate_ira): Remove flag_ira.
6043         * regclass.c: Rename reginfo.c.  Change file description.
6044         (FORBIDDEN_INC_DEC_CLASSES): Remove.
6045         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
6046         (init_reg_sets_1): Remove code for evaluation of
6047         reg_class_superclasses and losing_caller_save_reg_set.
6048         (init_regs): Remove init_reg_autoinc.
6049         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
6050         ok_for_base_p_nonstrict): Remove.
6051         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
6052         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
6053         corresponding entries.
6054         (dump_regclass, record_operand_costs, scan_one_insn,
6055         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
6056         record_address_regs, auto_inc_dec_reg_p): Remove.
6057         (gt-regclass.h): Rename to gt-reginfo.h.
6059         * rtl.h (dump_global_regs, retry_global_alloc,
6060         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
6062         * Makefile.in (RA_H): Remove.
6063         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
6064         Rename regclass.o to reginfo.o.
6065         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
6066         gt-reginfo.h.
6067         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
6068         (GTFILES): Rename regclass.c to reginfo.c.
6070         * passes.c (init_optimization_passes): Remove pass_local_alloc and
6071         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
6073         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6074         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
6075         Remove flag_ira.
6076         (finish_spills): Ditto.  Remove code for !flag_ira.
6077         
6078 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
6080         PR middle-end/35854
6081         * doc/invoke.texi (rtl debug options): Complete rewrite.
6082         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
6083         to auto_inc_dec".
6084         * mode-switching.c (pass_mode_switching): Rename pass from
6085         "mode-sw" to "mode_sw".
6086         * except.c (pass_convert_to_eh_ranges): Rename pass from
6087         "eh-ranges" to "eh_ranges".
6088         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
6089         to "subreg1".
6090                 
6091         
6092 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
6093             Alexander Monakov  <amonakov@ispras.ru>
6095         PR middle-end/38857
6096         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
6097         register.
6098         (move_exprs_to_boundary): Change return type and pass through
6099         should_move from move_op.  Relax assert.  Update usage ...
6100         (schedule_expr_on_boundary): ... here.  Use should_move instead of
6101         cant_move.
6102         (move_op_orig_expr_found): Indicate that insn was disconnected from
6103         stream.
6104         (code_motion_process_successors): Do not call after_merge_succs
6105         callback if original expression was not found when traversing any of
6106         the branches.
6107         (code_motion_path_driver): Change return type.  Update prototype.
6108         (move_op): Update comment.  Add a new parameter (should_move).  Update
6109         prototype.  Set *should_move based on indication provided by
6110         move_op_orig_expr_found.
6112 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
6114         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
6115         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
6116         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
6117         * config/rs6000/rs6000.c (rs6000_override_options): Default
6118         avoid-indexed-addresses on for Power6, off for everything else.
6119         (avoiding_indexed_address_p): New function.
6120         (rs6000_legitimize_address): Use it.
6121         (rs6000_legitimate_address): Likewise.
6122         * config/rs6000/rs6000.md (movXX_updateX): Likewise
6124 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
6126         PR tree-optimization/38997
6127         * tree-loop-distribution.c (generate_memset_zero): Use
6128         POINTER_PLUS_EXPR for a pointer addition.
6130 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
6132         * config/s390/s390.md (bswap<mode>2): New pattern added.
6134 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6136         * config/s390/s390.md (*tls_load_31): Added type attribute.
6138 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6140         * config/s390/s390.md: Fix a few comments.
6142 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6144         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6145         (*tm<mode>_full): Fixed z10prop attribute.
6146         (*tst<mode>_extimm): Fixed z10prop attribute.
6147         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6148         (*tstqiCCT_cconly): Fixed z10prop attribute.
6149         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6150         (*movsi_larl): Fixed z10prop attribute.
6151         (*movsi_zarch): Fixed z10prop attribute.
6152         (*movsi_eas): Fixed z10prop attribute.
6153         (*movhi): Fixed z10prop attribute.
6154         (*movqi): Fixed z10prop attribute.
6155         (*movstrictqi): Fixed z10prop attribute.
6156         (*mov<mode>): Fixed z10prop attribute.
6157         (*movcc): Fixed z10prop attribute.
6158         (*sethighpartdi_64): Fixed z10prop attribute.
6159         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6160         (*negdi2_sign_cc): Fixed z10prop attribute.
6161         (*negdi2_sign): Fixed z10prop attribute.
6162         (*absdi2_sign_cc): Fixed z10prop attribute.
6163         (*absdi2_sign): Fixed z10prop attribute.
6164         (*negabsdi2_sign_cc): Fixed z10prop attribute.
6165         (*negabsdi2_sign): Fixed z10prop attribute.
6166         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6167         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6168         (doloop_si64): Fixed z10prop attribute.
6169         (doloop_si31): Fixed z10prop attribute.
6170         (doloop_long): Fixed z10prop attribute.
6171         (indirect_jump): Fixed z10prop attribute.
6172         (nop): Fixed z10prop attribute.
6173         (main_base_64): Fixed z10prop attribute.
6174         (reload_base_64): Fixed z10prop attribute.
6176 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6178         PR rtl-optimization/38740
6179         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6180         if !optimize.
6181         * config/mips/mips.c (mips_reorg): Likewise.
6183 2009-01-28  Richard Guenther  <rguenther@suse.de>
6185         PR tree-optimization/38926
6186         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6187         with the correct value id to a value.
6188         (do_regular_insertion): Use the value number of edoubleprime
6189         for the value number of the expr.
6191         Revert
6192         2008-08-21  Richard Guenther  <rguenther@suse.de>
6194         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6195         a PHI ask VN if it is already available.
6196         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6197         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6199 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6201         PR middle-end/38934
6202         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6203         set to varying whenever max has TREE_OVERFLOW set, similarly
6204         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6206 2009-01-28  Richard Guenther  <rguenther@suse.de>
6208         PR middle-end/38908
6209         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6210         uninitialized aggregate uses in call arguments.
6212 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
6214         PR tree-optimization/38984
6215         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6216         the nothing_id variable if -fno-delete-null-pointer-checks.
6218 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
6220         PR target/38988
6221         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6222         (set_got_offset_rex64): Ditto.
6224 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
6226         PR target/38941
6227         * doc/extend.texi: Improve local variable with asm reg.
6229 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
6231         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6232         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6233         was not supplied then set warn_packed_bitfield_compat to the
6234         default value of 1.
6235         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6236         against 1.
6238 2009-01-27  Richard Guenther  <rguenther@suse.de>
6240         PR tree-optimization/38503
6241         * cfgexpand.c (expand_gimple_basic_block): Ignore
6242         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6243         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6244         variables that cannot have TBAA applied.
6245         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6246         statements.
6248 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
6250         PR middle-end/38969
6251         * calls.c (initialize_argument_information): Do not wrap complex
6252         arguments in SAVE_EXPR.
6254 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
6256         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6257         (INSTALL_LIBGCC): Revert typo commit.
6259 2009-01-26  Richard Guenther  <rguenther@suse.de>
6261         PR tree-optimization/38745
6262         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6263         from special handling.
6265 2009-01-26  Richard Guenther  <rguenther@suse.de>
6267         PR tree-optimization/38745
6268         * tree-ssa.c (execute_update_addresses_taken): Do not include
6269         variables that cannot possibly be a register in not_reg_needs.
6270         Do not clear TREE_ADDRESSABLE on vars that may not become
6271         registers.
6272         * tree-ssa.c (update_alias_info_1): Include those in the set
6273         of addressable vars.
6275 2009-01-26  Richard Guenther  <rguenther@suse.de>
6277         PR middle-end/38851
6278         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6279         * tree-ssa-dse.c: Include langhooks.h
6280         (execute_simple_dse): Remove stores with zero size.
6282 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
6284         PR c/38957
6285         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6286         as PLUS_EXPR.
6288 2009-01-24  Julian Brown  <julian@codesourcery.com>
6290         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6291         config/arm/linux-atomic.c.
6292         * config/arm/linux-atomic.c: New.
6294 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
6296         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6297         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6298         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6300 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
6302         PR c/38938
6303         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6304         properly.
6306 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6308         PR tree-optimization/38953
6309         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6310         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6311         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6312         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6313         changed the CFG.
6315 2009-01-24  Paul Brook  <paul@codesourcery.com>
6317         * config/arm/neon.md (neon_type): Move to arm.md.
6318         (neon_mov<VSTRUCT>): Add neon_type attribute.
6319         * config/arm/arm.md (neon_type): Move to here.
6320         (conds): Add "unconditioal" and use as default for NEON insns.
6322 2009-01-24  Ben Elliston  <bje@au.ibm.com>
6324         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6325         void *' warning from -Wc++-compat.
6326         * Makefile.in (dominance.o-warn): Remove.
6328 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
6330         PR tree-optimization/38932
6331         * fold-const.c (fold_unary_ignore_overflow): New.
6332         * tree.h (fold_unary_ignore_overflow): Declare.
6333         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6334         * tree-ssa-sccvn.c (visit_reference_op_load,
6335         simplify_unary_expression): Likewise.
6337 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
6339         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6340         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
6341         regardless of their type.
6342         * c-common.c (handle_packed_attribute): Don't ignore packed on
6343         bitfields.
6344         * c.opt (Wpacked-bitfield-compat): New warning option.
6345         * stor-layout.c (place_field): Warn if offset of a field changed.
6346         * doc/extend.texi (packed): Mention the ABI change.
6347         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6348         (Warning Options): Add it to the list.
6350 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
6352         * c-opts.c (c_common_post_options): Fix a typo in comments.
6354 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
6356         PR middle-end/38615
6357         * gimplify.c (gimplify_init_constructor): Fix promotion of const
6358         variables to static.
6359         * doc/invoke.texi (-fmerge-all-constants): Update description.
6361 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
6363         PR target/38931
6364         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6365         (*movdi_1_rex64): Use type "mmx" for alternative 5.
6367 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
6369         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6370         a word boundary.
6371         (LOCAL_ALIGNMENT): Similarly.
6373 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6374             Joseph Myers  <joseph@codesourcery.com>
6376         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6377         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6378         * config/arm/arm-tune.md: Regenerate.
6379         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6380         -march=iwmmxt2.
6382 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6384         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6385         version number to five.
6387 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
6389         PR c++/38930
6390         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6391         * c-common.c (set_underlying_type): Likewise.
6392         (is_typedef_decl ): Likewise
6393         * tree.h: Likewise
6394         (set_underlying_type): Likewise.
6395         (is_typedef_type): Likewise.
6397 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
6399         PR middle-end/38587
6400         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6401         crossing setjmps.
6403 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
6405         PR bootstrap/37660
6406         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
6407         (LIBGCC_SPEC):  Don't define.
6408         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
6410 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
6412         PR rtl-optimization/38879
6413         * alias.c (base_alias_check): Unaligned access via AND address can
6414         alias all surrounding object types except those with sizes equal
6415         or wider than the size of unaligned access.
6417 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
6419         PR c++/26693
6420         * c-decl.c (clone_underlying_type): Move this ...
6421         * c-common.c (set_underlying_type): ... here.
6422         Also, make sure the function properly sets TYPE_STUB_DECL() on
6423         the newly created typedef variant type.
6424         (is_typedef_decl ): New entry point.
6425         * tree.h: Added a new member member_types_needing_access_check to
6426         struct tree_decl_non_common.
6427         (set_underlying_type): New entry point.
6428         (is_typedef_type): Likewise.
6430 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
6432         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6433         Check whether two instructions have memory references that
6434         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
6435         are helper functions for traversing.
6436         * alias.h (insn_alias_sets_confilict_p): New prototypes.
6437         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6438         not to draw dependency edge for instructions with non-conflicting
6439         alias sets.
6441 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
6443         PR other/38758
6444         * longlong.h: Update copyright years.  Use soft-fp license notice.
6445         Sync __clz_tab declaration with glibc.
6447 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
6449         PR target/30687
6450         * doc/extend.texi (syscall_linkage): New.
6451         (version_id): Modify.
6453 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6454             Richard Guenther  <rguenther@suse.de>
6456         PR tree-optimization/38747
6457         PR tree-optimization/38748
6458         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6459         conversion if the base address is an indirect reference and the
6460         aliasing sets could cause issues.
6462 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6464         * common.opt (fgraphite, fgraphite-identity): Add comment for 
6465         explaining why these options are not documented.
6467 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6469         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6470         gimple_call_lhs is NULL.
6472 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
6474         PR target/38868
6475         * emit-rtl.c (adjust_address_1): Make sure memref is never
6476         overwritten.
6478 2009-01-20  Ben Elliston  <bje@au.ibm.com>
6480         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6481         const qualifier from arg parameter. Remove unnecessary cast to char *.
6482         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6483         const qualifier from arg 2.
6485 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
6487         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6489 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
6491         PR c/38869
6492         * rtl.h (reinit_regs): New prototype.
6493         * regclass.c: Include ira.h.
6494         (reinit_regs): New.
6495         * Makefile.in (regclass.o): Add ira.h.
6496         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6498 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
6500         PR target/38736
6501         * c-common.c (handle_aligned_attribute): Use
6502         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6503         default alignment value.
6505         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6507         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6508         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6510         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
6511         __BIGGEST_ALIGNMENT__.
6513         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6515 2009-01-18  Richard Guenther  <rguenther@suse.de>
6517         PR tree-optimization/38819
6518         * tree-flow.h (operation_could_trap_helper_p): Declare.
6519         * tree-eh.c (operation_could_trap_helper_p): Export.
6520         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6521         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6522         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6523         are about to insert a possibly trapping instruction and fail
6524         in this case.
6526 2009-01-18  Andreas Schwab  <schwab@suse.de>
6528         * doc/install.texi (Configuration): Remove obsolete paragraph
6529         about use of --with-gnu-ld with --with-gnu-as.
6531 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
6533         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6534         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6535         Follow spelling conventions.
6537 2009-01-18  Ben Elliston  <bje@au.ibm.com>
6539         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6540         C++ warning about implicit conversion from void * to struct
6541         bitmap_head_def *.
6542         (bitmap_obstack_free): Likewise for bitmap_element *.
6543         * Makefile.in (bitmap.o-warn): Remove.
6545 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
6547         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
6549 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
6550             Tobias Grosser  <tobi.grosser@amd.com>
6552         * graphite.c (graphite_trans_scop_block): Do not block single
6553         nested loops.
6555 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
6557         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6558         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6559         test with assertion.
6561 2009-01-16  Richard Guenther  <rguenther@suse.de>
6563         PR tree-optimization/38835
6564         PR middle-end/36227
6565         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6566         and INT + PTR -> (INT)(PTR p+ INT) folding.
6567         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6569 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
6571         PR target/38554
6572         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6573         the subreg from a lowpart subreg if it is also casting the value.
6575 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6576             Tobias Grosser  <tobi.grosser@amd.com>
6578         * graphite.c (compare_prefix_loops): New.
6579         (build_scop_canonical_schedules): Rewritten.
6580         (graphite_transform_loops): Move build_scop_canonical_schedules
6581         after build_scop_iteration_domain.
6583 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6584             Tobias Grosser  <tobi.grosser@amd.com>
6586         * graphite.c (add_conditions_to_domain): Add the loops to 
6587         the dimension of the iteration domain.  Do copy the domain
6588         only when it exists.
6589         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6590         (add_conditions_to_constraints): New.
6591         (can_generate_code_stmt, can_generate_code): Removed.
6592         (gloog): Do not call can_generate_code.
6593         (graphite_transform_loops): Call add_conditions_to_constraints
6594         after building the iteration domain.
6596 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
6598         PR tree-optimization/38789
6599         * tree-ssa-threadedge.c
6600         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6601         __builtin_constant_p.
6603 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
6605         * dce.c (delete_unmarked_insns): Reversed the order that insns are
6606         examined before deleting them.
6607         
6608 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
6610         * function.c (aggregate_value_p): Correctly extract the function
6611         type from CALL_EXPR_FN lookup.
6613 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
6615         * config/picochip/picochip.c (picochip_override_options): Revert
6616         CFI asm flag disable commited previously.
6618 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6619             Tobias Grosser  <tobi.grosser@amd.com>
6620             Jan Sjodin  <jan.sjodin@amd.com>
6622         * graphite.c (scan_tree_for_params): On substractions negate
6623         all the coefficients of the term.
6624         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6625         of more than two operands.
6626         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6627         (get_vdef_before_scop): Handle also the case of default definitions.
6629 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
6631         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6632         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6633         Also use them when walking CALL_INSN_FUNCTION_USAGE.
6635 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
6636             Joey Ye  <joey.ye@intel.com>
6638         PR middle-end/37843
6639         * cfgexpand.c (expand_stack_alignment): Don't update stack
6640         boundary nor check incoming stack boundary here.
6641         (gimple_expand_cfg): Update stack boundary and check incoming
6642         stack boundary here.
6644 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
6646         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6647         
6648 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
6650         PR rtl-optimization/38245
6651         * calls.c (expand_call): Add stack arguments to
6652         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6653         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6654         in regs and partially in memory or BLKmode arguments.
6655         (emit_library_call_value_1): Add stack arguments to
6656         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6657         ACCUMULATE_OUTGOING_ARGS).
6658         * dce.c: Include tm_p.h.
6659         (find_call_stack_args): New function.
6660         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
6661         argument.
6662         (mark_insn): Call find_call_stack_args for CALL_Ps.
6663         (prescan_insns_for_dce): Walk insns backwards in bb rather than
6664         forwards.  Allocate and free arg_stores bitmap if needed, pass it
6665         down to deletable_insn_p, don't mark stores set in arg_stores
6666         bitmap, clear the bitmap at the beginning of each bb.
6667         * Makefile.in (dce.o): Depend on $(TM_P_H).
6669 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
6671         PR target/22599
6672         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6673         to make sure the insn is a conditional test (bug 22599).  Reformat a
6674         few long lines.
6676 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6678         PR middle-end/38431
6679         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6680         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6681         (gloog): Do not call cleanup_tree_cfg.
6682         (graphite_transform_loops): Call cleanup_tree_cfg after all 
6683         scops have been code generated.
6685 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
6686         * doc/gty.texi (Invoking the garbage collector): Added new node
6687         and section documenting ggc_collect.
6689 2009-01-14  Richard Guenther  <rguenther@suse.de>
6691         PR tree-optimization/38826
6692         PR middle-end/38477
6693         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6694         initialization notes only if we actually emitted a warning.
6695         (intra_create_variable_infos): Add constraints for a result decl
6696         that is passed by hidden reference.
6697         (build_pred_graph): Mark all related variables non-direct on
6698         address-taking.
6700 2009-01-14  Nick Clifton  <nickc@redhat.com>
6702         * ira-conflicts.c: Include addresses.h for the definition of
6703         base_reg_class.
6704         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6705         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6707 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
6709         PR target/38811
6710         * Makefile.in (ira-lives.o): Add except.h.
6712         * ira-lives.c: Include except.h.
6713         (process_bb_node_lives): Process can_throw_internal.
6715 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
6717         PR rtl-optimization/38774
6718         * combine.c (simplify_set): When undoing cc_use change, don't do
6719         PUT_CODE on the newly created comparison, but instead put back the
6720         old comparison.
6722 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
6724         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6725         values.  Remove duplicate arm8 entry.
6727 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6729         PR tree-optimization/38786
6730         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6731         the SSA_NAME case of expand_scalar_variables_expr.
6732         Set the type of an expression to the type of its assign statement.
6733         (expand_scalar_variables_expr): Also gather the scalar computation
6734         used to index the memory access.  Do not pass loop_p.
6735         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6736         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6737         the gimple_stmt_iterator where it inserts new code.
6738         Do not pass loop_p.
6739         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6740         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6742 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6744         * graphite.h (debug_value): Removed.
6745         * graphite.c (debug_value): Removed.
6747 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6749         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6750         ldrd/strd with two 32-bit instructions.
6752 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6754         * config/arm/arm.c (struct processors): Pass for speed down into
6755         cost helper functions.
6756         (const_ok_for_op): Handle COMPARE and inequality nodes.
6757         (arm_rtx_costs_1): Rewrite.
6758         (arm_size_rtx_costs): Update prototype.
6759         (arm_rtx_costs): Pass speed down to helper functions.
6760         (arm_slowmul_rtx_costs): Rework cost calculations.
6761         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6762         (arm_9e_rtx_costs): Likewise.
6764 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
6766         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6767         relocations of local symbols wider than UNITS_PER_WORD are not valid.
6768         (alpha_legitimize_address): Do not split local symbols wider than
6769         UNITS_PER_WORD into HIGH/LO_SUM parts.
6771 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
6773         PR bootstrap/38580
6774         * gcc.c (process_command): Replace call to execvp with calls
6775         to pex_one and exit.
6777 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
6779         PR target/29141
6780         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6781         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6782         variant for devices with 3-byte PC.
6783         (__tablejump_elpm__): New.
6785 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6787         PR c/32041
6788         * c-parser.c (c_parser_postfix_expression): Allow `->' in
6789         offsetof member-designator, handle it as `[0].'.
6791 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6793         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6794         function when not using named sections on targets with named sections
6795         if branch distance is less than 262132.
6797 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
6799         * combine.c (combine_instructions):  Recompute
6800         optimize_this_for_speed_p  for each BB in the main combine loop.
6802 2009-01-12  Tomas Bily  <tbily@suse.cz>
6804         PR middlend/38385
6805         * tree-loop-distribution.c (prop_phis): New function.
6806         (generate_builtin): Call prop_phis.
6807         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6809 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6811         PR tree-optimization/38807
6812         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6813         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6815 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
6817         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6818         subreg of op0 to the original op0.
6820 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
6822         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6823         
6824 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
6826         PR debug/7055
6827         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6828         starting with digits.
6830 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
6832         PR target/38695
6833         * config/arm/arm.c (arm_is_long_call_p): Don't call
6834         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6836 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
6838         * regrename.c (regrename_optimize): Fix dumping.
6839         (find_oldest_value_reg): Preserve REG_POINTER.
6840         (copy_hardreg_forward_1): Likewise.
6842 2009-01-09  Diego Novillo  <dnovillo@google.com>
6844         * gimple.h (struct gimple_statement_base) <uid>: Document
6845         the restrictions on its use.
6846         (gimple_uid): Tidy.
6847         (gimple_set_uid): Tidy.
6849 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6851         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6852         zero guard even if align_bytes != 0 and count is smaller than
6853         size_needed.
6855 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
6857         PR rtl-optimization/38495
6858         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6859         (add_range_and_copies_from_move_list): Print all added ranges.
6860         Add ranges to memory optimized destination.
6862 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6864         PR target/38686
6865         PR target/38708
6866         * config/i386/i386.c (override_options): Reject
6867         -mstringop-strategy=rep_8byte with -m32.
6868         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6869         to 1.  Do count comparison against epilogue_size_needed at compile
6870         time even when count_exp was constant forced into register.  For
6871         size_needed don't jump to epilogue, instead just avoid aligning
6872         and invoke the body algorithm.  If need_zero_guard, add zero guard
6873         even if count is non-zero, but smaller than size_needed + number of
6874         bytes that could be stored for alignment.
6875         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6876         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
6877         but smaller than size_needed + number of bytes that could be stored
6878         for alignment.  Compare size_needed with epilogue_size_needed instead
6879         of desired_align - align, don't adjust size_needed, pass
6880         epilogue_size_needed to the epilogue expanders.
6882         PR c/35742
6883         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6885 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6887         * pa.c (last_address): Change to unsigned.
6888         (update_total_code_bytes): Change argument to unsigned.  Don't
6889         check if insn addresses are set.
6890         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6891         addresses are not set.
6892         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6894 2009-01-09  Nick Clifton  <nickc@redhat.com>
6896         * config/sh/symbian.c: Replace uses of DECL_INLINE with
6897         DECL_DECLARED_INLINE_P.
6899 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6901         PR middle-end/38347
6902         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6903         GET_MODE (op0) in operand_subword_force calls.
6905         PR middle-end/38771
6906         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6907         fold_convert arg0 operands to TREE_TYPE (op0) first.
6909 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
6911         * params.def (ira-max-conflict-table-size): Decrease default value
6912         to 1000.
6914 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
6916         PR tree-optimization/37031
6917         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6918         on parameter_set.
6919         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6920         allocate it using gc instead of heap, use VEC_quick_push instead of
6921         VEC_safe_push.
6922         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6923         instead of heap, use VEC_quick_push instead of VEC_safe_push.
6924         * tree-data-ref.h (struct access_matrix): Change matrix to gc
6925         allocated vector from heap allocated.
6926         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6927         * tree-loop-linear.c (linear_transform_loops): Allocate nest
6928         vector only after perfect_loop_nest_depth call.
6930 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6931             Jan Sjodin  <jan.sjodin@amd.com>
6933         PR tree-optimization/38559
6934         * graphite.c (debug_value, copy_constraint,
6935         swap_constraint_variables, scale_constraint_variable, ): New.
6936         (get_lower_bound, get_upper_bound): Removed.
6937         (graphite_trans_bb_strip_mine): Clean up this code that works
6938         only for constant number of iterations.  Fully copy upper and
6939         lower bound constraints, not only the constant part of them.
6940         * graphite.h (debug_value): Declared.
6942 2009-01-08  Ira Rosen  <irar@il.ibm.com>
6944         PR tree-optimization/37194
6945         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6946         Don't add the cost of cost model guard in prologue to scalar 
6947         outside cost in case of known number of iterations.
6949 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
6950             Alan Modra  <amodra@bigpond.net.au>
6952         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6953         non-word-aligned REG+CONST addressing.
6955 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6957         PR target/38706
6958         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6959         free_after_compilation when outputting a thunk.
6960         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6961         Do not call free_after_compilation here.
6963 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6965         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6966         (ix86_valid_target_attribute_inner_p): Ditto.
6968 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
6970         PR tree-optimization/38492
6971         PR tree-optimization/38498
6972         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6973         * tree-chrec.h (scev_is_linear_expression): Declared.
6974         * graphite.c (graphite_cannot_represent_loop_niter): New.
6975         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6976         (graphite_loop_normal_form): Use gcc_assert.
6977         (scan_tree_for_params): Use CASE_CONVERT.
6978         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6979         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6980         Use gcc_assert.  Discard scops that contain unhandled cases.
6981         (build_scop_conditions): Return a boolean status for unhandled cases.
6982         (strip_mine_profitable_p): Print the loop number, not its depth.
6983         (is_interchange_valid): Pass the depth of the loop nest, don't
6984         recompute it wrongly.
6985         (graphite_trans_bb_block): Same.
6986         (graphite_trans_bb_block): Print tentative of loop blocking.
6987         (graphite_trans_scop_block): Do not print that the loop has been
6988         blocked.
6989         (graphite_transform_loops): Do not handle scops that contain condition
6990         scalar phi nodes.
6992 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
6994         AVX Programming Reference (December, 2008)
6995         * config/i386/avxintrin.h (_mm256_stream_si256): New.
6996         (_mm256_stream_pd): Likewise.
6997         (_mm256_stream_ps): Likewise.
6999         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
7000         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
7001         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
7002         (bdesc_special_args): Add __builtin_ia32_movntdq256,
7003         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
7004         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
7005         (ix86_expand_special_args_builtin): Likewise.
7007         * config/i386/sse.md (AVXMODEDI): New.
7008         (avx_movnt<mode>): Likewise.
7009         (avx_movnt<mode>): Likewise.
7010         (<sse>_movnt<mode>): Remove AVX support.
7011         (sse2_movntv2di): Likewise.
7013 2009-01-07  Richard Guenther  <rguenther@suse.de>
7015         PR middle-end/38751
7016         * fold-const.c (extract_muldiv): Remove obsolete comment.
7017         (fold_plusminus_mult_expr): Undo MINUS_EXPR
7018         to PLUS_EXPR canonicalization for the canonicalization.
7020 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
7022         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
7023         hosted cross-compilers generating less efficient code.
7025 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
7027         * function.h (rtl_data): Add a dbr_scheduled_p field.
7028         * reorg.c (dbr_schedule): Set it.
7029         (gate_handle_delay_slots): Check it.
7030         * config/mips/mips.c (mips_base_delayed_branch): Delete.
7031         (mips_reorg): Check flag_delayed_branch instead of
7032         mips_base_delayed_branch.
7033         (mips_override_options): Don't set mips_base_delayed_branch
7034         or flag_delayed_branch.
7036 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
7038         PR rtl-optimization/38426.
7039         * ira.c (ira): Set current_function_is_leaf earlier.
7041 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
7043         PR rtl-optimization/38722
7044         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
7045         too early, only set a flag and modify after last possible
7046         undo_all point.
7048 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
7050         PR c/34252
7051         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
7052         * real.c (decimal_single_format): Correct values of emin and emax.
7053         (decimal_double_format): Ditto.
7054         (decimal_quad_format): Ditto.
7055         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
7056         computation of DECnn_MIN and DECnn_MAX for corrected values of
7057         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
7058         __DECnn_MIN__, and adjust its computation for the corrected value
7059         of emin.
7061 2009-01-06  Jan Hubicka  <jh@suse.cz>
7063         PR target/38744
7064         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
7066 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
7068         * doc/contrib.texi (Contributors): Slightly adjust the end note.
7069         Add Robert Clark to the list of testers.
7071 2009-01-06  Jan Hubicka  <jh@suse.cz>
7072             Kai Tietz  <kai.tietz@onevision.com>
7074         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
7075         * config/i386/i386.c (ix86_expand_call): Add clobbers.
7077 2009-01-06  Jan Hubicka  <jh@suse.cz>
7078             Kai Tietz  <kai.tietz@onevision.com>
7080         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
7081         for w64 ABI.
7082         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
7083         (ix86_nsaved_regs): Count only general purpose regs.
7084         (ix86_nsaved_sseregs): New.
7085         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
7086         to 16 for w64; compute padding and size of sse reg save area.
7087         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
7088         general purpose regs.
7089         (ix86_emit_save_sse_regs_using_mov): New.
7090         (ix86_expand_prologue): Save SSE regs if needed.
7091         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
7092         (ix86_emit_restore_sse_regs_using_mov): New.
7093         (ix86_expand_epilogue): Save SSE regs if needed.
7095 2009-01-06  Jan Hubicka  <jh@suse.cz>
7096             Kai Tietz  <kai.tietz@onevision.com>
7098         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
7099         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
7100         functions when accumulate outgoing args is off.
7102 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7104         PR bootstrap/38742
7105         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
7106         before using pseudos_have_intersected_live_ranges_p.
7108         * ira-int.h (ira_assert): Always define.
7110 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7112         AVX Programming Reference (December, 2008)
7113         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
7114         (_mm256_permute2_pd): Likewise.
7115         (_mm_permute2_ps): Likewise.
7116         (_mm256_permute2_ps): Likewise.
7117         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
7118         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
7120         * config/i386/i386.c (ix86_builtins): Remove
7121         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
7122         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
7123         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
7124         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
7125         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
7126         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
7127         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
7128         __builtin_ia32_vpermil2ps256.
7129         (ix86_init_mmx_sse_builtins): Updated.
7130         (ix86_expand_args_builtin): Likewise.
7132 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7134         * pa.c (output_call): Relocate non-jump insns in the delay slot of
7135         long absolute calls when generating PA 2.0 code.
7137 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
7139         PR rtl-optimization/38583
7140         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7142         * params.def (ira-max-conflict-table-size): New.
7144         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7145         
7146         * ira.h (ira_conflicts_p): New external definition.
7147         
7148         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7149         table.  Report this.  Return result of building.
7150         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
7151         building conflict table.
7153         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7154         (ira_color): Use ira_conflicts_p.
7155         
7156         * global.c: Include ira.h.
7157         (pseudo_for_reload_consideration_p, build_insn_chain): Use
7158         ira_conflicts_p.
7160         * Makefile.in (global.o): Add ira.h.
7161         
7162         * ira-build.c (mark_all_loops_for_removal,
7163         propagate_some_info_from_allocno): New.
7164         (remove_unnecessary_allocnos): Call
7165         propagate_some_info_from_allocno.
7166         (remove_low_level_allocnos): New.
7167         (remove_unnecessary_regions): Add parameter.  Call
7168         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
7169         parameter to remove_unnecessary_regions.
7170         (ira_build): Remove all regions but root if the conflict table was
7171         not built.  Update conflict hard regs for allocnos crossing calls.
7173         * ira.c (ira_conflicts_p): New global.
7174         (ira): Define and use ira_conflicts_p.
7176         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7177         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7178         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7179         
7180 2009-01-06  Ben Elliston  <bje@au.ibm.com>
7182         * gengtype-lex.l (YY_NO_INPUT): Define.
7184 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7186         PR c/34911
7187         * c-common.c (handle_vector_size_attribute): Also reject
7188         BOOLEAN_TYPE types.
7190 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
7192         PR tree-optimization/38492
7193         * graphite.c (rename_map_elt, debug_rename_elt,
7194         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7195         rename_map_elt_info, eq_rename_map_elts,
7196         get_new_name_from_old_name, bb_in_sese_p): Moved around.
7197         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7198         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7199         (sese_build_livein_liveouts): New.
7200         (new_sese, free_sese): New.
7201         (new_scop): Call new_sese.
7202         (free_scop): Call free_sese.
7203         (rename_variables_from_edge, rename_phis_end_scop): Removed.
7204         (register_old_new_names): Renamed register_old_and_new_names.
7205         (register_scop_liveout_renames, add_loop_exit_phis,
7206         insert_loop_close_phis, struct igp,
7207         default_liveout_before_guard, add_guard_exit_phis,
7208         insert_guard_phis, copy_renames): New.
7209         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7210         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7211         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7212         (scop_adjust_phis_for_liveouts): New.
7213         (gloog): Call scop_adjust_phis_for_liveouts.
7215         * graphite.h (struct sese): Documented.  Added fields liveout,
7216         num_ver and livein.
7217         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7218         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7219         (struct scop): Added field liveout_renames.
7220         (SCOP_LIVEOUT_RENAMES): New.
7222 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7224         PR tree-optimization/38510
7225         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7226         (translate_clast): Call recompute_all_dominators before
7227         graphite_verify.
7228         (gloog): Call recompute_all_dominators before graphite_verify.
7230 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7231             Jan Sjodin  <jan.sjodin@amd.com>
7233         PR tree-optimization/38500
7234         * graphite.c (create_sese_edges): Call fix_loop_structure after
7235         splitting blocks.
7237 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
7239         * config.gcc: Add m32r*-*-rtems*.
7240         * config/m32r/rtems.h: New file.
7242 2009-01-05  Ben Elliston  <bje@au.ibm.com>
7244         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7245         (.po.pox): Likewise.
7246         (po/gcc.pot): Likewise.
7248 2009-01-04  David S. Miller  <davem@davemloft.net>
7250         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7251         (STARTING_FRAME_OFFSET): Always set to zero.
7253 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7255         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7256         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7257         fixed-point types, and vectors of the same.
7259 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7261         * config/mips/sync.md (*mb_barrier): Rename to...
7262         (*memory_barrier): ...this.
7264 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
7266         * doc/extend.texi (Function Attributes): Move @cindex after @item
7267         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7268         and put in alphabetical order. Fix 'target' name and put in order.
7269         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7270         typos.
7272 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
7274         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
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/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7281         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7282         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
7283         scratch register.  Remove operand 1.
7284         (*stbar): Define as unspec instead of unspec_volatile.
7285         Use (match_dup 0) as input operand, remove (const_int 8).
7286         (*membar): Define as unspec instead of unspec_volatile.
7287         Use (match_dup 0) as input operand, remove input operand 2.
7289         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7290         (memory_barrier): Expand as unspec instead of unspec_volatile.
7291         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7292         (*memory_barrier): Define as unspec instead of unspec_volatile.
7293         Use (match_dup 0) as input operand.
7295         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7296         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7297         Set volatile flag on operand 0.
7298         (*memory_barrier): New insn pattern.
7300         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7301         insn operands.
7302         (*memory_barrier): Use (match_dup 0) as input operand.
7304         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7305         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7306         Set volatile flag on operand 0.
7307         (*mb_internal): New insn pattern.
7309         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7311 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7313         PR middle-end/38586
7314         * function.c (struct temp_slot): Move to the section of the file
7315         that deals with temp slots.  Remove field 'address'.
7316         (temp_slot_address_table): New hash table of address -> temp slot.
7317         (struct temp_slot_address_entry): New struct, items for the table.
7318         (temp_slot_address_compute_hash, temp_slot_address_hash,
7319         temp_slot_address_eq, insert_temp_slot_address): Support functions
7320         for the new table.
7321         (find_temp_slot_from_address): Rewrite to use the new hash table.
7322         (remove_unused_temp_slot_addresses): Remove addresses of temp
7323         slots that have been made available.
7324         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7325         worker function for remove_unused_temp_slot_addresses.
7326         (assign_stack_temp_for_type): Don't clear the temp slot address list.
7327         Add the temp slot address to the address -> temp slot map.
7328         (update_temp_slot_address): Update via insert_temp_slot_address.
7329         (free_temp_slots): Call remove_unused_temp_slot_addresses.
7330         (pop_temp_slots): Likewise.
7331         (init_temp_slots): Allocate the address -> temp slot map, or empty
7332         the map if it is already allocated.
7333         (prepare_function_start): Initialize temp slot processing.
7335 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7337         PR middle-end/38584
7338         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7339         Calculate the size of all stack vars assuming no packing of stack
7340         vars will happen, replacing a quadratic algorithm with a linear one.
7342 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7344         PR target/38707
7345         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7346         can't be used.
7348 2009-01-03  Diego Novillo  <dnovillo@google.com>
7350         * doc/contrib.texi: Update contributions.
7352 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7354         PR c++/38705
7355         * builtins.c (fold_builtin_memory_op): Give up if either operand
7356         is volatile.  Set srctype or desttype to non-qualified version
7357         of the other type.
7359         PR c/38700
7360         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7361         and FUNCTION_DECLs.
7363 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
7365         PR rtl-optimization/35805
7366         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7367         problem if fast dce is able to remove any instructions.
7368         * dce.c (dce_process_block): Fix dump message.
7369         
7370 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
7372         PR 33649
7373         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7375 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
7377         PR middle-end/38690
7378         * tree-flow.h (op_code_prio, op_prio): New prototypes.
7379         * tree-pretty-print.c (op_code_prio): New function.
7380         (op_prio): No longer static.  Use op_code_prio.
7381         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7382         Use op_prio and op_code_prio to determine if () should be
7383         printed around operand(s) or not.
7385         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7386         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7387         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7388         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7389         pp_character instead of pp_string for single letter printing.
7391 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
7393         * doc/extend.texi: Fix '#pragma GCC option' typo.
7395 2009-01-02  Richard Guenther  <rguenther@suse.de>
7397         * doc/install.texi (--enable-checking): Mention different
7398         default for stage1.
7399         (--enable-stage1-checking): Document.
7401 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
7403         PR middle-end/30142
7404         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
7405         case to be an error.
7407 2009-01-02  Ben Elliston  <bje@au.ibm.com>
7409         * config/fp-bit.h (pack_d): Constify argument.
7410         * config/fp-bit.c (makenan): Constify return type. Remove casts.
7411         (isnan): Constify argument.
7412         (isinf): Likewise.
7413         (iszero): Likewise.
7414         (pack_d): Likewise.
7415         (_fpadd_parts): Constify return type.
7416         (_fpmul_parts): Likewise.
7417         (_fpdiv_parts): Likewise.
7419 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
7421         PR c/36489
7422         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
7423         warn about overwriting initializer with side-effects or
7424         -Woverride-init if !IMPLICIT.
7425         (output_init_element): Likewise.  Pass IMPLICIT down to
7426         add_pending_init.
7427         (process_init_element): Add IMPLICIT argument.  Pass it down
7428         to output_init_element.
7429         (push_init_element, pop_init_level, set_designator): Adjust
7430         process_init_element callers.
7431         (set_nonincremental_init, set_nonincremental_init_from_string):
7432         Adjust add_pending_init callers.
7433         (output_pending_init_elements): Adjust output_init_element callers.
7434         * c-tree.h (process_init_element): Adjust prototype.
7435         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7436         process_init_element callers.