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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-04-17  Diego Novillo  <dnovillo@google.com>
2
3         * tree-pretty-print.c (dump_generic_node): Add break
4         after TREE_BINFO handler.
5         Handle COMPLEX_TYPE, REAL_TYPE and FIXED_POINT_TYPE
6         Handle NULL TREE_TYPEs.
7         Handle METHOD_TYPE and FUNCTION_TYPE together.
8         Call print_struct_decl when printing structures and
9         TDF_SLIM is not given.
10         (print_struct_decl): Fix logic for detecting recursion.
11
12 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
13
14         PR 31567
15         * gcc.c (create_at_file): New.
16         (compile_input_file_p): New.
17         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
18         * main.c (main): Update call to toplev_main.
19         * toplev.c (toplev_main): Change signature. Call expandargv.
20         * toplev.h (toplev_main): Change signature.
21
22 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
23
24         * dwarf2out.c (field_byte_offset): Use the type size as the field size
25         if the latter is not constant.
26
27 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
28
29         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
30
31 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
32
33         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
34         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
35
36 2009-04-17  Richard Guenther  <rguenther@suse.de>
37
38         * tree-ssa-structalias.c (get_constraint_for_component_ref):
39         Handle component references view-converting an invariant address.
40
41 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
42
43         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
44         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
45         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
46         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
47         Use @deftypevr rather than @deftypevar.
48
49 2009-04-17  Richard Guenther  <rguenther@suse.de>
50
51         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up
52         tuplification.
53         (get_prop_source_stmt): Likewise.
54         (can_propagate_from): Likewise.
55
56 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
57
58         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
59         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
60         (--with-multilib-list): Add default value.
61         * configure: Regenerate.
62         * Makefile.in (TM_ENDIAN_CONFIG): Define.
63         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
64         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
65         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
66         Don't add default cpu to multilib list unnecessarily, but do enable
67         the relevant compiler option..
68         Add support for --with-multilib-list=<blank> and
69         --with-multilib-list=!<somelib> to supress unwanted multilibs.
70         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
71         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
72         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
73         TM_MULTILIB_CONFIG.
74         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
75         (MULTILIB_OSDIRNAMES): New variable.
76         * config/sh/t-1e: Delete file.
77         * config/sh/t-mlib-sh1: Delete file.
78         * config/sh/t-mlib-sh2: Delete file.
79         * config/sh/t-mlib-sh2a: Delete file.
80         * config/sh/t-mlib-sh2a-nofpu: Delete file.
81         * config/sh/t-mlib-sh2a-single: Delete file.
82         * config/sh/t-mlib-sh2a-single-only: Delete file.
83         * config/sh/t-mlib-sh2e: Delete file.
84         * config/sh/t-mlib-sh3e: Delete file.
85         * config/sh/t-mlib-sh4: Delete file.
86         * config/sh/t-mlib-sh4-nofpu: Delete file.
87         * config/sh/t-mlib-sh4-single: Delete file.
88         * config/sh/t-mlib-sh4-single-only: Delete file.
89         * config/sh/t-mlib-sh4a: Delete file.
90         * config/sh/t-mlib-sh4a-nofpu: Delete file.
91         * config/sh/t-mlib-sh4a-single: Delete file.
92         * config/sh/t-mlib-sh4a-single-only: Delete file.
93         * config/sh/t-mlib-sh4al: Delete file.
94         * config/sh/t-mlib-sh5-32media: Delete file.
95         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
96         * config/sh/t-mlib-sh5-64media: Delete file.
97         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
98         * config/sh/t-mlib-sh5-compact: Delete file.
99         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
100         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
101         * doc/install.texi (Options specification): Add
102         --with-multilib-list and --with-endian.
103
104 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
105
106         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
107         REVISION_c.
108         (OBJS-common): Add plugin-version.o.
109         (plugin-version.o): New.
110         * gcc-plugin.h (plugin_gcc_version): New.
111         (plugin_default_version_check): New.
112         (plugin_init_func, plugin_init): Add version argument.
113         * plugin-version.c: New.
114         * plugin.c (str_plugin_gcc_version_name): New.
115         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
116         pass it to the init function.
117         (plugin_default_version_check): New.
118
119 2009-04-17  Richard Guenther  <rguenther@suse.de>
120
121         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
122         for decl-vs-decl disambiguation.
123
124 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
125
126         * config/s390/s390.h (s390_tune_attr): New macro definition.
127         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
128
129 2009-04-17  Richard Guenther  <rguenther@suse.de>
130
131         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
132         (fold_stmt_r): Likewise.
133         (maybe_fold_reference): New function.
134         (fold_gimple_assign): Handle cases fold_stmt_r did.
135         (fold_stmt): Do not use fold_stmt_r.
136         (fold_stmt_inplace): Likewise.
137
138 2009-04-17  Richard Guenther  <rguenther@suse.de>
139
140         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
141         (record_equivalences_from_stmt): Remove useless checks and
142         simplifications.
143         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
144         the type is already suitable.
145
146 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
147
148         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
149
150 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
151
152         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
153         (CMPtype): Define as __gcc_CMPtype.
154
155 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
156
157         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
158         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
159
160 2009-04-17  Richard Guenther  <rguenther@suse.de>
161
162         PR tree-optimization/39746
163         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
164         special-casing for builtins and static variable use/def.
165         (call_may_clobber_ref_p_1): Likewise.
166
167 2009-04-16  Ian Lance Taylor  <iant@google.com>
168
169         * df.h: Include "timevar.h".
170         (struct df_problem): Change tv_id field to timevar_id_t.
171         * tree-pass.h: Include "timevar.h".
172         (struct opt_pass): Change tv_id field to timevar_id_t.
173         * timevar.h (timevar_id_t): Define TV_NONE.
174         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
175         TV_NONE rather than tv_id != 0.
176         (execute_one_pass): Likewise.
177         * Makefile.in (DF_H): Add $(TIMEVAR_H).
178         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
179         dependencies to $(TREE_PASS_H).
180         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
181         to TV_NONE.
182         (pass_branch_target_load_optimize2): Likewise.
183         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
184         (pass_outof_cfg_layout_mode): Likewise.
185         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
186         (pass_rebuild_cgraph_edges): Likewise.
187         (pass_remove_cgraph_callee_edges): Likewise.
188         * df-core.c (pass_df_initialize_opt): Likewise.
189         (pass_df_initialize_no_opt): Likewise.
190         (pass_df_finish): Likewise.
191         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
192         * except.c (pass_set_nothrow_function_flags): Likewise.
193         (pass_convert_to_eh_region_ranges): Likewise.
194         * final.c (pass_compute_alignments): Likewise.
195         * function.c (pass_instantiate_virtual_regs): Likewise.
196         (pass_init_function): Likewise.
197         (pass_leaf_regs): Likewise.
198         (pass_match_asm_constraints): Likewise.
199         * gimple-low.c (pass_lower_cf): Likewise.
200         (pass_mark_used_blocks): Likewise.
201         * init-regs.c (pass_initialize_regs): Likewise.
202         * integrate.c (pass_initial_value_sets): Likewise.
203         * ira.c (pass_ira): Likewise.
204         * jump.c (pass_cleanup_barriers): Likewise.
205         * omp-low.c (pass_expand_omp): Likewise.
206         (pass_lower_omp): Likewise.
207         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
208         * recog.c (pass_split_all_insns): Likewise.
209         (pass_split_after_reload): Likewise.
210         (pass_split_before_regstack): Likewise.
211         (pass_split_before_sched2): Likewise.
212         (pass_split_for_shorten_branches): Likewise.
213         * reginfo.c (pass_reginfo_init): Likewise.
214         (pass_subregs_of_mode_init): Likewise.
215         (pass_subregs_of_mode_finish): Likewise.
216         * passes.c (pass_postreload): Likewise.
217         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
218         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
219         (pass_warn_function_return): Likewise.
220         (pass_warn_function_noreturn): Likewise.
221         * tree-complex.c (pass_lower_complex): Likewise.
222         (pass_lower_complex_O0): Likewise.
223         * tree-if-conv.c (pass_if_conversion): Likewise.
224         * tree-into-ssa.c (pass_build_ssa): Likewise.
225         * tree-mudflap.c (pass_mudflap_1): Likewise.
226         (pass_mudflap_2): Likewise.
227         * tree-nomudflap.c (pass_mudflap_1): Likewise.
228         (pass_mudflap_2): Likewise.
229         * tree-nrv.c (pass_return_slot): Likewise.
230         * tree-object-size.c (pass_object_sizes): Likewise.
231         * tree-optimize.c (pass_all_optimizations): Likewise.
232         (pass_early_local_passes): Likewise.
233         (pass_all_early_optimizations): Likewise.
234         (pass_cleanup_cfg): Likewise.
235         (pass_cleanup_cfg_post_optimizing): Likewise.
236         (pass_free_datastructures): Likewise.
237         (pass_free_cfg_annotations): Likewise.
238         (pass_fixup_cfg): Likewise.
239         (pass_init_datastructures): Likewise.
240         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
241         (pass_late_warn_uninitialized): Likewise.
242         (pass_update_address_taken): Likewise.
243         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
244         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
245         (pass_cse_sincos): Likewise.
246         (pass_convert_to_rsqrt): Likewise.
247         * tree-ssa-structalias.c (pass_build_alias): Likewise.
248         * tree-stdarg.c (pass_stdarg): Likewise.
249         * tree-tailcall.c (pass_tail_recursion): Likewise.
250         (pass_tail_calls): Likewise.
251         * tree-vect-generic.c (pass_lower_vector): Likewise.
252         (pass_lower_vector_ssa): Likewise.
253         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
254
255 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
256
257         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
258         XLR entry.
259         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
260         Handle -march=xlr.
261         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
262         logical and signext.
263
264 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
265
266         PR target/39767
267         * config/sh/predicates.md (arith_operand): Check if the operand
268         of TRUNCATE is a REG.
269
270 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
271
272         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
273         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
274
275 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
276
277         * tree-iterator.c (tsi_split_statement_list_after,
278         tsi_split_statement_list_before): Remove.
279         * tree-iterator.h: Remove the prototypes for
280         tsi_split_statement_list_after and tsi_split_statement_list_before.
281
282 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
283
284         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
285         * tree-ssa-propagate.h: Remove the prototype for
286         stmt_makes_single_load.
287
288 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
289
290         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
291         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
292
293 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
294
295         * tree-iterator.c (EXPR_LAST_BODY): Remove.
296
297 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
298
299         * except.c (eh_region_outer_p): Remove.
300         * except.h: Remove the prototype for eh_region_outer_p.
301
302 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
303
304         * function.c (current_function_assembler_name): Remove.
305         * function.h: Remove the prototype for
306         current_function_assembler_name.
307
308 2009-04-16  Ian Lance Taylor  <iant@google.com>
309
310         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
311         (add_reg_note): Call alloc_reg_note.
312         * rtl.h (alloc_reg_note): Declare.
313         * combine.c (try_combine): Use alloc_reg_note.
314         (recog_for_combine, move_deaths): Likewise.
315         (distribute_notes): Use alloc_reg_note and add_reg_note.
316         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
317         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
318         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
319
320 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
321
322         PR rtl-optimization/39762
323         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
324         ira_may_move_out_cost): Add comments about way of their usage.
325         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
326         
327         * ira-conflicts.c (process_regs_for_copy): Use function
328         ira_get_register_move_cost instead of global
329         ira_register_move_cost.
330
331         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
332         color_pass, move_spill_restore, update_curr_costs): Ditto.
333
334         * ira-lives.c (process_single_reg_class_operands): Ditto.
335
336         * ira-emit.c (emit_move_list): Ditto.
337
338         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
339         (record_reg_classes): Ditto.  Use functions
340         ira_get_register_move_cost and ira_get_may_move_cost instead of
341         global vars ira_register_move_cost, ira_may_move_out_cost and
342         ira_may_move_in_cost.
343         (record_address_regs): Don't call ira_init_register_move_cost.
344         Use function ira_get_may_move_cost instead of global
345         ira_may_move_in_cost.
346         (process_bb_node_for_hard_reg_moves): Use function
347         ira_get_register_move_cost instead of global ira_register_move_cost.
348         (ira_costs): Don't call ira_init_register_move_cost.
349         
350 2009-04-16  Richard Guenther  <rguenther@suse.de>
351
352         * tree-cfg.c (verify_gimple_assign_binary):
353         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
354         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
355         (create_general_new_stmt): Note that this function is broken.
356
357 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
358
359         * common.opt (fhelp): Add Var(help_flag).
360         * gcc-plugin.h (plugin_info): Add help.
361         * plugin.c (plugin_name_args): Add help.
362         (register_plugin_info): Set plugin->help.
363         (print_help_one_plugin): New.
364         (print_plugins_help): New.
365         * plugin.h (print_plugins_help): New.
366         * toplev.c (toplev_main): Call print_plugins_help if needed.
367
368 2009-04-16  Richard Guenther  <rguenther@suse.de>
369
370         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
371         (gimple_ior_addresses_taken_1): New function.
372         (gimple_ior_addresses_taken): Likewise.
373         * gimple.h (struct gimple_statement_with_ops_base): Remove
374         addresses_taken member.
375         (gimple_ior_addresses_taken): Declare.
376         (gimple_addresses_taken, gimple_addresses_taken_ptr,
377         gimple_set_addresses_taken): Remove.
378         * ipa-reference.c (mark_address): New function.
379         (scan_stmt_for_static_refs): Use it for marking addresses taken.
380         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
381         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
382         (gimple_add_to_addresses_taken): Remove.
383         (get_tmr_operands): Call mark_address_taken.
384         (get_asm_expr_operands): Likewise.
385         (get_expr_operands): Likewise.
386         (build_ssa_operands): Do not clear the addresses_taken bitmap.
387         (free_stmt_operands): Do not free it.
388         * tree-ssa.c (delete_tree_ssa): Likewise.
389         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
390
391 2009-04-16  Richard Guenther  <rguenther@suse.de>
392
393         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
394         (walk_stmt_load_store_ops): Likewise.
395         * gimple.c (get_base_loadstore): New function.
396         (walk_stmt_load_store_addr_ops): Likewise.
397         (walk_stmt_load_store_ops): Likewise.
398         * ipa-pure-const.c (check_op): Simplify.
399         (check_load, check_store): New functions.
400         (check_stmt): Use walk_stmt_load_store_ops.
401         * ipa-reference.c (mark_load): Adjust signature.
402         (mark_store): Likewise.
403         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
404
405 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
406
407         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
408         (plugin_info): New.
409         * opts.c (common_handle_option): Don't call print_version.
410         * plugin.c (plugin_name_args): Add version.
411         (register_plugin_info): New.
412         (register_callback): Handle PLUGIN_INFO.
413         (try_init_one_plugin): New.
414         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
415         if failed to init.
416         (finalize_one_plugin): New.
417         (finalize_plugins): New.
418         (print_one_plugin): New.
419         (print_plugins_versions): New.
420         * plugin.h (print_plugins_versions): New.
421         (finalize_plugins): New.
422         * toplev.c (compile_file): Don't call initialize_plugins.
423         (print_version): Call print_plugins_versions.
424         (toplev_main): Call initialize_plugins. Print version if needed.
425         Call finalize_plugins.
426
427 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
428
429         * common.opt (fversion): New.
430         * gcc.c (print_version): New.
431         (process_command): Don't print the version. Just set print_version.
432         (main): Print version. Call subprocesses if print_version and
433         verbose_flag are set.
434         * opts.c (common_handle_option): Handle OPT_fversion.
435
436 2009-04-16  Richard Guenther  <rguenther@suse.de>
437             Ira Rosen  <irar@il.ibm.com>
438
439         PR tree-optimization/39698
440         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
441         type of the reduction variable.  Only generate the def if
442         it is needed.
443
444         * omp-low.c (expand_omp_for_generic): When converting to a pointer
445         make sure to first convert to an integer of the same precision.
446         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
447         the type of the evolution correctly in computing the new
448         induction variable base.
449
450 2009-04-16  Richard Guenther  <rguenther@suse.de>
451
452         PR middle-end/39625
453         * tree-cfg.c (make_blocks): Split statements with to-be
454         abnormal SSA names on the lhs.
455
456 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
457
458         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
459         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
460         * c-typeck.c (really_start_incremental_init): Likewise.
461         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
462         (TARGET_INITIALIZER): Remove it.
463         * target.h (struct target): Remove vector_opaque_p.
464         * tree.c (build_opaque_vector_type): New.
465         * tree.h (TYPE_VECTOR_OPAQUE): New.
466         (build_opaque_vector_type): Declare.
467         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
468         * config/rs6000/rs6000.c (build_opaque_vector_type,
469         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
470         (rs6000_init_builtins): Use build_opaque_vector_type for
471         opaque_V4SI_type_node.
472
473 2009-04-15  Catherine Moore  <clm@codesourcery.com>
474
475         * debug.h (set_name):  Declare.
476         * dwarf2out.c (dwarf2out_set_name): Declare.
477         (dwarf2_debug_hooks): Add set_name.
478         (find_AT_string): New.
479         (add_AT_string): Call find_AT_string.
480         (dwarf2out_set_name): New.
481         * cp/decl.c (grokdeclarator): Call set_name.
482         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
483         * debug.c (do_nothing_debug_hooks):  Likewise.
484         * dbxout.c (dbx_debug_hooks): Likewise.
485         * sdbout.c (sdb_debug_hooks): Likewise.
486
487 2009-04-15  Michael Eager <eager@eagercon.com>
488
489         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
490         reg for single-precision FPU.
491         * config/rs6000/rs6000.md (movsi_internal1): Only for
492         !TARGET_SINGLE_FPU.
493         (movsi_internal1_single): New. Add pattern to move SI values to/from
494         single-precision FP regs.
495
496 2009-04-15  Richard Guenther  <rguenther@suse.de>
497
498         * omp-low.c (lower_rec_input_clauses): Build correct address
499         expressions.
500         (expand_omp_for_generic): Fix multiplication type.
501         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
502         (generate_memset_zero): Fix types.
503         * tree-profile.c (prepare_instrumented_value): Correctly
504         widen a pointer.
505
506 2009-04-15  Ian Lance Taylor  <iant@google.com>
507
508         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
509         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
510         for -Wall and for -Wc++-compat.
511         (c_common_post_options): For C++, set warn_enum_compare if not
512         already set.
513         * c-tree.h (struct c_expr): Add field original_type.
514         (build_external_ref): Update declaration.
515         * c-parser.c (c_parser_braced_init): Set original_type.
516         (c_parser_initelt): Likewise.
517         (c_parser_expr_no_commas): Likewise.
518         (c_parser_conditional_expression): Likewise.
519         (c_parser_cast_expression): Likewise.
520         (c_parser_unary_expression): Likewise.  Pull setting of
521         original_code to top of function.
522         (c_parser_sizeof_expression): Set original_type.
523         (c_parser_alignof_expression): Likewise.
524         (c_parser_postfix_expression): Likewise.  Pull setting of
525         original_code to top of function.
526         (c_parser_postfix_expression_after_paren_type): Set original_type.
527         (c_parser_postfix_expression_after_primary): Likewise.
528         (c_parser_expression): Likewise.
529         * c-typeck.c (build_external_ref): Add type parameter.  Change all
530         callers.
531         (c_expr_sizeof_expr): Set original_type field.
532         (parser_build_unary_op): Likewise.
533         (parser_build_binary_op): Likewise.  Optionally warn about
534         comparisons of enums of different types.
535         (digest_init): Set original_type field.
536         (really_start_incremental_init): Likewise.
537         (push_init_level, pop_init_level): Likewise.
538         * doc/invoke.texi (Warning Options): -Wenum-compare now
539         supported in C.
540
541 2009-04-15  Richard Guenther  <rguenther@suse.de>
542
543         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
544         out a necessary conversion.
545         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
546         names we didn't value number.
547         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
548
549 2009-04-15  Richard Guenther  <rguenther@suse.de>
550
551         PR tree-optimization/39764
552         * tree-ssa-ccp.c (get_value): Canonicalize value with
553         canonicalize_float_value.
554
555 2009-04-15  Jan Hubicka  <jh@suse.cz>
556
557         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
558         Wrong version of patch.
559
560 2009-04-15  Jan Hubicka  <jh@suse.cz>
561
562         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
563
564 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
565
566         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
567         our distinct integral and vector types.
568
569 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
570
571         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
572         * init.c (build_vtbl_address): Remove call to assemble_external.
573
574 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
575
576         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
577         output for other floating point modes.
578
579 2009-04-14  Diego Novillo  <dnovillo@google.com>
580
581         * diagnostic.c (diagnostic_report_diagnostic): Do not
582         warn about loaded plugins for DK_ERROR and DK_WARNING.
583         * c-decl.c (declspecs_add_type): Move call to
584         invoke_plugin_callbacks ...
585         * c-parser.c (c_parser_declspecs): ... here.
586         * plugin.c (dump_active_plugins): Tidy output.
587
588 2009-04-14  Diego Novillo  <dnovillo@google.com>
589             Le-Chun Wu  <lcwu@google.com>
590
591         * configure.ac: Add --enable-plugin support.
592         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
593         * Makefile.in (PLUGIN_H): Define.
594         Export ENABLE_PLUGIN and GMPINC to site.exp.
595         Add PLUGINLIBS to link command.
596         Add/modify dependencies for plugin.o and files including plugin.h.
597         (plugin.o): New.
598         * config.in: Regenerate.
599         
600         * opts.c (common_handle_option): Handle OPT_fplugin_ and
601         OPT_fplugin_arg_.
602
603 2009-04-14  Le-Chun Wu  <lcwu@google.com>
604
605         * tree-pass.h (register_one_dump_file): Add a prototype for
606         register_one_dump_file.
607         * toplev.c (compile_file): Call initialize_plugins.
608         (do_compile): Call invoke_plugin_callbacks.
609         (toplev_main): Call invoke_plugin_callbacks.
610         * common.opt: Add -fplugin= and -fplugin-arg-.
611         * gcc-plugin.h: New public header file for plugins to include.
612         * plugin.c: New source file.
613         * plugin.h: New internal header file.
614         * passes.c (register_one_dump_file): Make it external.
615         
616         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
617
618 2009-04-14  Diego Novillo  <dnovillo@google.com>
619
620         * doc/plugins.texi: New.
621         * doc/gccint.texi: Add reference to Plugins chapter.
622         * doc/invoke.texi: Document -fplugin and -fplugin-arg
623         * diagnostic.c (diagnostic_report_diagnostic): Warn about
624         loaded plugins, if any.
625         * timevar.def (TV_PLUGIN_INIT): Define.
626         (TV_PLUGIN_RUN): Define.
627         * plugin.c: Include timevar.h
628         (plugins_active_p): New.
629         (dump_active_plugins): New.
630         (debug_active_plugins): New.
631
632 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
633
634         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
635         library paths.
636         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
637
638 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
639
640         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
641         the same as a minus without a shift.
642
643 2009-04-14  Nick Clifton  <nickc@redhat.com>
644
645         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
646         comparisons with small integers will always produce a short
647         branch.
648
649 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
650
651         Merge:
652         2008-12-19  Diego Novillo  <dnovillo@google.com>
653
654         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
655
656 2000-04-14  Richard Guenther  <rguenther@suse.de>
657
658         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
659         verification.
660         (verify_gimple_assign_binary): Likewise.  Handle shifts and
661         rotates correctly.
662         (verify_gimple_phi): Print the mismatched argument position.
663         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
664         Fix types.
665         (vect_update_init_of_dr): Likewise.
666         * matrix-reorg.c (transform_access_sites): Do what the
667         comment suggests.
668         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
669
670 2009-04-13  Michael Eager <eager@eagercon.com>
671
672         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
673         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
674         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
675         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
676         remove duplicate config
677
678 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
679
680         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
681         file_name:line_number type locator of the call site.
682         
683 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
684
685         * genautomata.c: Put blank after comma.
686         (automaton_decls): New.
687         (struct unit_usage): Add comments to member next.
688         (store_alt_unit_usage): Keep the list ordered.
689         (unit_present_on_list_p, equal_alternatives_p): New.
690         (check_regexp_units_distribution): Check units distribution
691         correctness correctly.
692         (main): Don't write automata if error is found.  Return correct
693         exit code.
694         
695         * config/m68k/cf.md (cfv4_ds): Remove.
696         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
697         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
698
699         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
700         power4-load-ext, power4-store, power4-store-update,
701         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
702         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
703         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
704         power4-sqrt, power4-isync): Modify reservation to make correct
705         unit distribution to automata.
706
707         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
708         power5-store-update, power5-two, power5-three, power5-lmul,
709         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
710         
711 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
712
713         * except.c (pass_set_nothrow_function_flags): Set name and add
714         TODO_dump_func.
715         (set_nothrow_function_flags): Mention in the dump file when
716         changing a function to nothrow.
717
718 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
719
720         PR/39066
721         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
722         instead of unsigned long.
723
724 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
725
726         * config/arm/arm.c (return_used_this_function): Remove.
727         (arm_output_function_prologue): Remove use of
728         return_used_this_function.
729         (output_return_instruction): Replace use of
730         return_used_this_function
731         by cfun->machine->return_used_this_function.
732         (arm_output_epilogue): Likewise.
733         (arm_output_function_epilogue): Likewise.
734         (thumb_unexpanded_epilogue): Likewise.
735         * config/arm/arm.h (struct machine_function):
736         New member return_used_this_function.
737
738 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
739
740         * doc/install.texi: Correct description of default directory for
741         --with-gxx-include-dir.
742
743 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
744
745         * fold-const.c (build_range_check): Properly deal with enumeral and
746         boolean base types.
747
748 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
749
750         * doc/invoke.texi (max_gcse_passes): Remove documentation.
751         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
752         * params.h (MAX_GCSE_PASSES): Remove.
753         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
754         in sequence.  Remove ability to run multiple passes.
755         (bypass_jumps): Report run as third CPROP pass.
756
757 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
758
759         PR middle-end/39651
760         * except.c (can_throw_external): Look at each insn in a SEQUENCE
761         when deciding whether the whole SEQUENCE can throw.
762
763 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
764
765         PR target/39740
766         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
767         offseted label references.
768
769 2009-04-11  Jan Hubicka  <jh@suse.cz>
770
771         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
772
773 2009-04-11  Richard Guenther  <rguenther@suse.de>
774
775         PR middle-end/39732
776         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
777         return variables as TREE_ADDRESSABLE.
778
779 2009-04-11  Richard Guenther  <rguenther@suse.de>
780
781         PR tree-optimization/39713
782         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
783         reference trees have SSA_NAME operands.
784
785 2009-04-11  Richard Guenther  <rguenther@suse.de>
786
787         PR c/39712
788         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
789         address expressions.
790
791 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
792
793         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
794         match changes in Cygwin 1.7
795         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
796         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
797
798 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
799
800         PR tree-optimization/39701
801         * doc/invoke.texi (Optimization Options): Document change in
802         meaning and initialization of -fdelete-null-pointer-checks.
803
804 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
805
806         PR middle-end/39701
807         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
808
809         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
810         here.
811
812         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
813
814 2009-04-10  Chao-ying Fu  <fu@mips.com>
815
816         * doc/tm.texi (Instruction Output): Document
817         TARGET_ASM_FINAL_POSTSCAN_INSN.
818         * target.h (final_postscan_insn): New field in asm_out.
819         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
820         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
821         * final.c (final_scan_insn): Call
822         targetm.asm_out.final_postscan_insn after outputting
823         an asm macro and a normal instruction.
824
825         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
826         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
827         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
828         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
829         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
830
831 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
832
833         PR middle-end/39701
834         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
835         variables as non-NULL even with -fdelete-null-pointer-checks.
836
837 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
838
839         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
840
841 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
842
843         PR target/39678
844         * config/i386/i386.c (classify_argument): Handle SCmode with
845         (bit_offset % 64) != 0.
846
847 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
848
849         * doc/invoke.texi (Optimize Options): Add cross-reference to
850         -Q --help=optimizers examples.
851
852 2009-04-10  Ben Elliston  <bje@au.ibm.com>
853
854         PR target/36800
855         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
856         regalign for the reg == fpr and TDmode case.
857
858 2009-04-09  David Ayers  <ayers@fsfe.org>
859
860         PR objc/29200
861         * objc/objc-act.c (warn_with_method): Remove helper function.
862         (check_duplicates): Call warning and inform directly.
863         (really_start_method): Likewise.
864
865 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
866
867         * expmed.c (expand_divmod): Always use a comparison for a division
868         by a large unsigned integer.
869
870         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
871         for things others than variables or functions as nonzero.
872
873 2009-04-09  Nick Clifton  <nickc@redhat.com>
874
875         * unwind-compat.c: Change copyright header to refer to version
876         3 of the GNU General Public License with version 3.1 of the
877         GCC Runtime Library Exception and to point readers at the
878         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
879         * config/alpha/crtfastmath.c: Likewise.
880         * config/alpha/linux-unwind.h: Likewise.
881         * config/alpha/qrnnd.asm: Likewise.
882         * config/alpha/vms-crt0-64.c: Likewise.
883         * config/alpha/vms-crt0.c: Likewise.
884         * config/alpha/vms-dwarf2.asm: Likewise.
885         * config/alpha/vms-dwarf2eh.asm: Likewise.
886         * config/alpha/vms-psxcrt0-64.c: Likewise.
887         * config/alpha/vms-psxcrt0.c: Likewise.
888         * config/alpha/vms_tramp.asm: Likewise.
889         * config/arc/initfini.c: Likewise.
890         * config/arc/lib1funcs.asm: Likewise.
891         * config/arm/bpabi-v6m.S: Likewise.
892         * config/arm/bpabi.S: Likewise.
893         * config/arm/bpabi.c: Likewise.
894         * config/arm/crti.asm: Likewise.
895         * config/arm/crtn.asm: Likewise.
896         * config/arm/ieee754-df.S: Likewise.
897         * config/arm/ieee754-sf.S: Likewise.
898         * config/arm/lib1funcs.asm: Likewise.
899         * config/arm/libunwind.S: Likewise.
900         * config/arm/linux-atomic.c: Likewise.
901         * config/arm/mmintrin.h: Likewise.
902         * config/arm/pr-support.c: Likewise.
903         * config/arm/unaligned-funcs.c: Likewise.
904         * config/arm/unwind-arm.c: Likewise.
905         * config/arm/unwind-arm.h: Likewise.
906         * config/avr/libgcc.S: Likewise.
907         * config/bfin/crti.s: Likewise.
908         * config/bfin/crtlibid.s: Likewise.
909         * config/bfin/crtn.s: Likewise.
910         * config/bfin/lib1funcs.asm: Likewise.
911         * config/bfin/linux-unwind.h: Likewise.
912         * config/cris/arit.c: Likewise.
913         * config/cris/cris_abi_symbol.c: Likewise.
914         * config/darwin-64.c: Likewise.
915         * config/darwin-crt2.c: Likewise.
916         * config/darwin-crt3.c: Likewise.
917         * config/darwin.h: Likewise.
918         * config/dbxelf.h: Likewise.
919         * config/dfp-bit.c: Likewise.
920         * config/dfp-bit.h: Likewise.
921         * config/elfos.h: Likewise.
922         * config/fixed-bit.c: Likewise.
923         * config/fixed-bit.h: Likewise.
924         * config/fp-bit.c: Likewise.
925         * config/fp-bit.h: Likewise.
926         * config/fr30/crti.asm: Likewise.
927         * config/fr30/crtn.asm: Likewise.
928         * config/fr30/lib1funcs.asm: Likewise.
929         * config/freebsd-spec.h: Likewise.
930         * config/frv/cmovd.c: Likewise.
931         * config/frv/cmovh.c: Likewise.
932         * config/frv/cmovw.c: Likewise.
933         * config/frv/frvbegin.c: Likewise.
934         * config/frv/frvend.c: Likewise.
935         * config/frv/lib1funcs.asm: Likewise.
936         * config/glibc-stdint.h: Likewise.
937         * config/h8300/clzhi2.c: Likewise.
938         * config/h8300/crti.asm: Likewise.
939         * config/h8300/crtn.asm: Likewise.
940         * config/h8300/ctzhi2.c: Likewise.
941         * config/h8300/fixunssfsi.c: Likewise.
942         * config/h8300/lib1funcs.asm: Likewise.
943         * config/h8300/parityhi2.c: Likewise.
944         * config/h8300/popcounthi2.c: Likewise.
945         * config/i386/ammintrin.h: Likewise.
946         * config/i386/att.h: Likewise.
947         * config/i386/avxintrin.h: Likewise.
948         * config/i386/biarch64.h: Likewise.
949         * config/i386/bmmintrin.h: Likewise.
950         * config/i386/cpuid.h: Likewise.
951         * config/i386/cross-stdarg.h: Likewise.
952         * config/i386/crtfastmath.c: Likewise.
953         * config/i386/crtprec.c: Likewise.
954         * config/i386/cygming-crtbegin.c: Likewise.
955         * config/i386/cygming-crtend.c: Likewise.
956         * config/i386/cygwin.asm: Likewise.
957         * config/i386/emmintrin.h: Likewise.
958         * config/i386/gmm_malloc.h: Likewise.
959         * config/i386/gthr-win32.c: Likewise.
960         * config/i386/i386.h: Likewise.
961         * config/i386/immintrin.h: Likewise.
962         * config/i386/linux-unwind.h: Likewise.
963         * config/i386/linux64.h: Likewise.
964         * config/i386/mm3dnow.h: Likewise.
965         * config/i386/mmintrin-common.h: Likewise.
966         * config/i386/mmintrin.h: Likewise.
967         * config/i386/nmmintrin.h: Likewise.
968         * config/i386/pmm_malloc.h: Likewise.
969         * config/i386/pmmintrin.h: Likewise.
970         * config/i386/smmintrin.h: Likewise.
971         * config/i386/sol2-c1.asm: Likewise.
972         * config/i386/sol2-ci.asm: Likewise.
973         * config/i386/sol2-cn.asm: Likewise.
974         * config/i386/sol2-gc1.asm: Likewise.
975         * config/i386/tmmintrin.h: Likewise.
976         * config/i386/unix.h: Likewise.
977         * config/i386/w32-unwind.h: Likewise.
978         * config/i386/wmmintrin.h: Likewise.
979         * config/i386/x86-64.h: Likewise.
980         * config/i386/x86intrin.h: Likewise.
981         * config/i386/xmmintrin.h: Likewise.
982         * config/ia64/crtbegin.asm: Likewise.
983         * config/ia64/crtend.asm: Likewise.
984         * config/ia64/crtfastmath.c: Likewise.
985         * config/ia64/crti.asm: Likewise.
986         * config/ia64/crtn.asm: Likewise.
987         * config/ia64/fde-glibc.c: Likewise.
988         * config/ia64/lib1funcs.asm: Likewise.
989         * config/ia64/linux-unwind.h: Likewise.
990         * config/ia64/quadlib.c: Likewise.
991         * config/ia64/unwind-ia64.c: Likewise.
992         * config/linux.h: Likewise.
993         * config/m32c/m32c-lib1.S: Likewise.
994         * config/m32c/m32c-lib2-trapv.c: Likewise.
995         * config/m32c/m32c-lib2.c: Likewise.
996         * config/m32r/initfini.c: Likewise.
997         * config/m68hc11/larith.asm: Likewise.
998         * config/m68hc11/m68hc11-crt0.S: Likewise.
999         * config/m68k/cf.md: Likewise.
1000         * config/m68k/crti.s: Likewise.
1001         * config/m68k/crtn.s: Likewise.
1002         * config/m68k/lb1sf68.asm: Likewise.
1003         * config/m68k/linux-unwind.h: Likewise.
1004         * config/mcore/crti.asm: Likewise.
1005         * config/mcore/crtn.asm: Likewise.
1006         * config/mcore/lib1.asm: Likewise.
1007         * config/mips/linux-unwind.h: Likewise.
1008         * config/mips/loongson.h: Likewise.
1009         * config/mips/mips16.S: Likewise.
1010         * config/mmix/crti.asm: Likewise.
1011         * config/mmix/crtn.asm: Likewise.
1012         * config/pa/fptr.c: Likewise.
1013         * config/pa/hpux-unwind.h: Likewise.
1014         * config/pa/lib2funcs.asm: Likewise.
1015         * config/pa/linux-atomic.c: Likewise.
1016         * config/pa/linux-unwind.h: Likewise.
1017         * config/pa/milli64.S: Likewise.
1018         * config/pa/quadlib.c: Likewise.
1019         * config/pa/stublib.c: Likewise.
1020         * config/picochip/libgccExtras/adddi3.asm: Likewise.
1021         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
1022         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
1023         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
1024         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
1025         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
1026         * config/picochip/libgccExtras/divmod15.asm: Likewise.
1027         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
1028         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
1029         * config/picochip/libgccExtras/longjmp.asm: Likewise.
1030         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
1031         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
1032         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
1033         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
1034         * config/picochip/libgccExtras/setjmp.asm: Likewise.
1035         * config/picochip/libgccExtras/subdi3.asm: Likewise.
1036         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
1037         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
1038         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
1039         * config/rs6000/750cl.h: Likewise.
1040         * config/rs6000/altivec.h: Likewise.
1041         * config/rs6000/biarch64.h: Likewise.
1042         * config/rs6000/crtresfpr.asm: Likewise.
1043         * config/rs6000/crtresgpr.asm: Likewise.
1044         * config/rs6000/crtresxfpr.asm: Likewise.
1045         * config/rs6000/crtresxgpr.asm: Likewise.
1046         * config/rs6000/crtsavfpr.asm: Likewise.
1047         * config/rs6000/crtsavgpr.asm: Likewise.
1048         * config/rs6000/darwin-asm.h: Likewise.
1049         * config/rs6000/darwin-fallback.c: Likewise.
1050         * config/rs6000/darwin-fpsave.asm: Likewise.
1051         * config/rs6000/darwin-ldouble.c: Likewise.
1052         * config/rs6000/darwin-tramp.asm: Likewise.
1053         * config/rs6000/darwin-unwind.h: Likewise.
1054         * config/rs6000/darwin-vecsave.asm: Likewise.
1055         * config/rs6000/darwin-world.asm: Likewise.
1056         * config/rs6000/e500crtres32gpr.asm: Likewise.
1057         * config/rs6000/e500crtres64gpr.asm: Likewise.
1058         * config/rs6000/e500crtres64gprctr.asm: Likewise.
1059         * config/rs6000/e500crtrest32gpr.asm: Likewise.
1060         * config/rs6000/e500crtrest64gpr.asm: Likewise.
1061         * config/rs6000/e500crtresx32gpr.asm: Likewise.
1062         * config/rs6000/e500crtresx64gpr.asm: Likewise.
1063         * config/rs6000/e500crtsav32gpr.asm: Likewise.
1064         * config/rs6000/e500crtsav64gpr.asm: Likewise.
1065         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
1066         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
1067         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
1068         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
1069         * config/rs6000/eabi-ci.asm: Likewise.
1070         * config/rs6000/eabi-cn.asm: Likewise.
1071         * config/rs6000/eabi.asm: Likewise.
1072         * config/rs6000/linux-unwind.h: Likewise.
1073         * config/rs6000/linux64.h: Likewise.
1074         * config/rs6000/paired.h: Likewise.
1075         * config/rs6000/paired.md: Likewise.
1076         * config/rs6000/ppc64-fp.c: Likewise.
1077         * config/rs6000/ppu_intrinsics.h: Likewise.
1078         * config/rs6000/rs6000.h: Likewise.
1079         * config/rs6000/si2vmx.h: Likewise.
1080         * config/rs6000/sol-ci.asm: Likewise.
1081         * config/rs6000/sol-cn.asm: Likewise.
1082         * config/rs6000/spe.h: Likewise.
1083         * config/rs6000/spu2vmx.h: Likewise.
1084         * config/rs6000/sysv4.h: Likewise.
1085         * config/rs6000/tramp.asm: Likewise.
1086         * config/rs6000/vec_types.h: Likewise.
1087         * config/s390/linux-unwind.h: Likewise.
1088         * config/s390/tpf-unwind.h: Likewise.
1089         * config/score/crti.asm: Likewise.
1090         * config/score/crtn.asm: Likewise.
1091         * config/sh/crt1.asm: Likewise.
1092         * config/sh/crti.asm: Likewise.
1093         * config/sh/crtn.asm: Likewise.
1094         * config/sh/divtab-sh4-300.c: Likewise.
1095         * config/sh/divtab-sh4.c: Likewise.
1096         * config/sh/divtab.c: Likewise.
1097         * config/sh/lib1funcs-4-300.asm: Likewise.
1098         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
1099         * config/sh/lib1funcs.asm: Likewise.
1100         * config/sh/lib1funcs.h: Likewise.
1101         * config/sh/linux-atomic.asm: Likewise.
1102         * config/sh/linux-unwind.h: Likewise.
1103         * config/sh/shmedia.h: Likewise.
1104         * config/sh/sshmedia.h: Likewise.
1105         * config/sh/ushmedia.h: Likewise.
1106         * config/sparc/crtfastmath.c: Likewise.
1107         * config/sparc/linux-unwind.h: Likewise.
1108         * config/sparc/sol2-c1.asm: Likewise.
1109         * config/sparc/sol2-ci.asm: Likewise.
1110         * config/sparc/sol2-cn.asm: Likewise.
1111         * config/spu/divmodti4.c: Likewise.
1112         * config/spu/divv2df3.c: Likewise.
1113         * config/spu/float_disf.c: Likewise.
1114         * config/spu/float_unsdidf.c: Likewise.
1115         * config/spu/float_unsdisf.c: Likewise.
1116         * config/spu/float_unssidf.c: Likewise.
1117         * config/spu/mfc_multi_tag_release.c: Likewise.
1118         * config/spu/mfc_multi_tag_reserve.c: Likewise.
1119         * config/spu/mfc_tag_release.c: Likewise.
1120         * config/spu/mfc_tag_reserve.c: Likewise.
1121         * config/spu/mfc_tag_table.c: Likewise.
1122         * config/spu/multi3.c: Likewise.
1123         * config/spu/spu_internals.h: Likewise.
1124         * config/spu/spu_intrinsics.h: Likewise.
1125         * config/spu/spu_mfcio.h: Likewise.
1126         * config/spu/vec_types.h: Likewise.
1127         * config/spu/vmx2spu.h: Likewise.
1128         * config/stormy16/stormy16-lib2.c: Likewise.
1129         * config/svr4.h: Likewise.
1130         * config/sync.c: Likewise.
1131         * config/v850/lib1funcs.asm: Likewise.
1132         * config/vxlib-tls.c: Likewise.
1133         * config/vxlib.c: Likewise.
1134         * config/vxworks-dummy.h: Likewise.
1135         * config/xtensa/crti.asm: Likewise.
1136         * config/xtensa/crtn.asm: Likewise.
1137         * config/xtensa/ieee754-df.S: Likewise.
1138         * config/xtensa/ieee754-sf.S: Likewise.
1139         * config/xtensa/lib1funcs.asm: Likewise.
1140         * config/xtensa/lib2funcs.S: Likewise.
1141         * config/xtensa/linux-unwind.h: Likewise.
1142         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1143         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1144         * coretypes.h: Likewise.
1145         * crtstuff.c: Likewise.
1146         * defaults.h: Likewise.
1147         * dwarf2.h: Likewise.
1148         * emutls.c: Likewise.
1149         * gbl-ctors.h: Likewise.
1150         * gcov-io.h: Likewise.
1151         * ginclude/float.h: Likewise.
1152         * ginclude/iso646.h: Likewise.
1153         * ginclude/stdarg.h: Likewise.
1154         * ginclude/stdbool.h: Likewise.
1155         * ginclude/stddef.h: Likewise.
1156         * ginclude/stdfix.h: Likewise.
1157         * ginclude/stdint-gcc.h: Likewise.
1158         * ginclude/tgmath.h: Likewise.
1159         * gthr-aix.h: Likewise.
1160         * gthr-dce.h: Likewise.
1161         * gthr-gnat.c: Likewise.
1162         * gthr-gnat.h: Likewise.
1163         * gthr-lynx.h: Likewise.
1164         * gthr-mipssde.h: Likewise.
1165         * gthr-nks.h: Likewise.
1166         * gthr-posix.c: Likewise.
1167         * gthr-posix.h: Likewise.
1168         * gthr-posix95.h: Likewise.
1169         * gthr-rtems.h: Likewise.
1170         * gthr-single.h: Likewise.
1171         * gthr-solaris.h: Likewise.
1172         * gthr-tpf.h: Likewise.
1173         * gthr-vxworks.h: Likewise.
1174         * gthr-win32.h: Likewise.
1175         * gthr.h: Likewise.
1176         * libgcc2.c: Likewise.
1177         * libgcc2.h: Likewise.
1178         * libgcov.c: Likewise.
1179         * tsystem.h: Likewise.
1180         * typeclass.h: Likewise.
1181         * unwind-c.c: Likewise.
1182         * unwind-compat.h: Likewise.
1183         * unwind-dw2-fde-compat.c: Likewise.
1184         * unwind-dw2-fde-darwin.c: Likewise.
1185         * unwind-dw2-fde-glibc.c: Likewise.
1186         * unwind-dw2-fde.c: Likewise.
1187         * unwind-dw2-fde.h: Likewise.
1188         * unwind-dw2.c: Likewise.
1189         * unwind-dw2.h: Likewise.
1190         * unwind-generic.h: Likewise.
1191         * unwind-pe.h: Likewise.
1192         * unwind-sjlj.c: Likewise.
1193         * unwind.inc: Likewise.
1194         * config/arm/neon-gen.ml: Change generated copyright header to
1195         refer to version 3 of the GNU General Public License with
1196         version 3.1 of the GCC Runtime Library Exception and to point
1197         readers at the COPYING3 and COPYING3.RUNTIME files and the
1198         FSF's license web page.
1199         * config/arm/arm_neon.h: Regenerate.
1200
1201 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
1202
1203         * config/cris/cris.md: Change copyright header to refer to version
1204         3 of the GNU General Public License.
1205         * doc/install.texi2html: Change copyright header to refer to version
1206         3 of the GNU General Public License and to point readers at the
1207         COPYING3 file and the FSF's license web page.
1208         * config/vax/linux.h: Likewise.
1209
1210 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1211
1212         * config/i386/i386.md (cmpcc): New.
1213         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1214         (sync_compare_and_swap_cc*): Delete.
1215
1216         * config/s390/s390.c (s390_compare_emitted): Remove.
1217         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1218         s390_compare_emitted used to be handled.  Assert that modes match.
1219         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1220         refer to sync_compare_and_swap_ccsi.
1221         * config/s390/s390.h (s390_compare_emitted): Remove.
1222         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1223         instead of s390_compare_emitted.
1224         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1225         instead of s390_compare_emitted.
1226         * config/s390/s390.md (cmpcc): New.
1227         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1228         CC_REGNUM, do not pretend it's set.
1229         (sync_compare_and_swap_cc*): Delete.
1230         * config/s390/predicates.md (cc_reg_operand): New.
1231
1232         * expr.c (sync_compare_and_swap_cc): Delete.
1233         * optabs.h (sync_compare_and_swap_cc): Delete.
1234         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1235         is being used with can_compare_p.
1236         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1237         (find_cc_set): New.
1238         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1239         look for a MODE_CC set instead.  Use emit_store_flag.
1240         (expand_compare_and_swap_loop): Likewise, with some additional
1241         complication to avoid a force_reg when useless.  Use
1242         emit_cmp_and_jump_insns.
1243         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1244         * doc/md.texi (sync_compare_and_swap_cc): Merge with
1245         sync_compare_and_swap documentation.
1246
1247 2009-04-09  Jan Hubicka  <jh@suse.cz>
1248
1249         * except.c (find_prev_try): Break out from ....
1250         (duplicate_eh_regions): ... here; properly update prev_try pointers
1251         when duplication part of tree.
1252         (dump_eh_tree): Improve dumping.
1253         (verify_eh_region): New.
1254         (verify_eh_tree): Use it.
1255
1256 2009-04-06  Richard Guenther  <rguenther@suse.de>
1257
1258         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1259         &ARRAY addresses by adjusting their types and prepending
1260         a conversion.
1261         * tree-cfg.c (verify_gimple_assign_single): Verify that
1262         addresses are correct.
1263
1264 2009-04-09  Richard Guenther  <rguenther@suse.de>
1265
1266         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1267         indices into an array reference if possible.
1268         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1269         Fold POINTER_PLUS_EXPR statements with invariant address.
1270
1271 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
1272
1273         PR target/39634
1274         * config.gcc (powerpc64-*-linux*): Always build biarch.
1275
1276 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
1277
1278         PR c/39613
1279         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1280         it and pedwarn if this results in an INTEGER_CST.
1281
1282 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1283
1284         * doc/install.texi: Update minimum GMP version.  Remove obsolete
1285         text in MPFR section.
1286
1287 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1288
1289         * dwarf2out.c (class_scope_p): New static inline.
1290         (class_or_namespace_scope_p): Use it.
1291         (gen_variable_die): Use DW_TAG_member tag for static data member
1292         declarations instead of DW_TAG_variable.
1293
1294         PR middle-end/39573
1295         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1296         variables.
1297
1298 2009-04-08  Richard Guenther  <rguenther@suse.de>
1299
1300         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1301         valueize random data.
1302
1303 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
1304
1305         * config.gcc (aix tm_file):  Add aix-stdint.h.
1306         (aix tm clause use_gcc_stdint):  Set to wrap.
1307         * config/rs6000/aix-stdint.h:  New file.
1308         
1309 2009-04-08  Richard Guenther  <rguenther@suse.de>
1310
1311         PR middle-end/36291
1312         * tree-dfa.c (add_referenced_var): Do not recurse into
1313         global initializers.
1314         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1315         exposed variables.
1316         (fold_const_aggregate_ref): Likewise.
1317
1318 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1319
1320         * recog.c (ordered_comparison_operator): New.
1321         * gensupport.c (std_preds): Add it.
1322         * doc/md.texi (Machine-Independent Predicates): Document it.
1323
1324 2009-04-08  Jan Hubicka  <jh@suse.cz>
1325
1326         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1327         * function.h (rtl_eh): Remove exception_handler_label_map.
1328         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1329         remove_exception_handler_label, for_each_eh_label_1): Remove.
1330         (rtl_remove_unreachable_regions): Remove.
1331         (convert_from_eh_region_ranges): Do not remove unreachable regions.
1332         (find_exception_handler_labels): Don't build the hashtable.
1333         (maybe_remove_eh_handler): Remove.
1334         (for_each_eh_label): Rewrite to walk the tree.
1335         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1336         * except.h (maybe_remove_eh_handler): Remove.
1337         * passes.c (init_optimization_passes): Schedule second EH cleanup
1338         before out-of-ssa.
1339         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1340         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1341
1342 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1343
1344         * genoutput.c (validate_optab_operands): New.
1345         (gen_insn, gen_expand): Call it.
1346
1347         * genflags.c (gen_insn): Detect misused iterators.
1348         (main): Pass line_no to gen_insn, exit with status 1 on error.
1349
1350         * genextract.c (line_no): Make global.
1351         (VEC_safe_set_locstr): Change assertion to error message.
1352         (main): Exit with status 1 on error.
1353
1354 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
1355
1356         PR c/39614
1357         PR c/39673
1358         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1359         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1360         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1361         * c-convert.c (convert): Do not call fold on results of conversion
1362         functions when the result is a C_MAYBE_CONST_EXPR.
1363         * c-parser.c (c_parser_postfix_expression): Do not fold condition
1364         of __builtin_choose_expr.
1365         * c-typeck.c (remove_c_maybe_const_expr): New.
1366         (build_unary_op, build_conditional_expr, build_compound_expr,
1367         build_binary_op, c_objc_common_truthvalue_conversion): Call
1368         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1369         integer operands.
1370
1371 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1372
1373         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
1374         CODE to produce a new one. Add a prototype to use fold_convert_const
1375
1376 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
1377
1378         PR bootstrap/39660
1379         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1380         mix declarations and code.
1381
1382 2009-04-08  Ben Elliston  <bje@au.ibm.com>
1383
1384         * gcc.c: Replace `CC' with `GCC' throughout.
1385
1386 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1387
1388         * doc/invoke.texi: Document Atom support.
1389
1390 2009-04-07  Jason Merrill  <jason@redhat.com>
1391
1392         PR c++/25185
1393         * c-common.h, c-common.c: Add flag_pretty_templates.
1394         * c-opts.c (c_common_handle_option): Set it.
1395         * c.opt: Add -fno-pretty-templates.
1396         * doc/invoke.texi (C++ Dialect Options): Likewise.
1397
1398 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
1399
1400         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1401         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1402         (ia64_expand_builtin): Likewise.
1403
1404 2009-04-07  Martin Jambor  <mjambor@suse.cz>
1405
1406         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1407         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1408         ADDR_EXPRS are include too.
1409
1410 2009-04-07  Richard Guenther  <rguenther@suse.de>
1411
1412         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1413         decls are only used if passes as parameters or if they are
1414         local statics and the call is not to a builtin.
1415         (call_may_clobber_ref_p_1): Likewise.
1416
1417 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1418
1419         * expr.c (do_store_flag): Remove last argument.  Simplify code
1420         to avoid duplication of tests already done by can_compare_p.
1421         (expand_expr_real_1): Adjust caller.
1422
1423 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1424
1425         * optabs.c (can_compare_p): Test the predicate of a
1426         cbranch and cstore pattern.
1427
1428 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1429
1430         * expr.c (convert_move): Use emit_store_flag instead of
1431         "emulating" it.
1432
1433 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1434
1435         * config/i386/i386.c (ix86_compare_emitted): Remove.
1436         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1437         ix86_compare_op0 like ix86_compare_emitted used to be handled.
1438         * config/i386/i386.h (ix86_compare_emitted): Remove.
1439         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1440         instead of ix86_compare_emitted.
1441         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1442
1443 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
1444
1445         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1446         Add t-sysroot-suffix to tmake_file.
1447         * config/print-sysroot-suffix.sh: New file.
1448         * config/t-sysroot-suffix: New file.
1449
1450 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1451
1452         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1453         as the latter produces a warning when the target does not support
1454         infinity.
1455
1456 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1457
1458         * dfp.c: Replace type punning assignments with memcpy throughout.
1459         * Makefile.in (dfp.o-warn): Remove.
1460         
1461 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
1462
1463         PR target/39634
1464         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1465         Include soft-fp/t-softfp after rs6000/t-linux64.
1466
1467 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1468
1469         * stor-layout.c (set_sizetype): Use the full precision of their
1470         machine mode for bitsize types.
1471
1472 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
1473
1474         * config/i386/i386.md: Revert 2 accidental checkins.
1475
1476 2009-04-06  Joey Ye  <joey.ye@intel.com>
1477             Xuepeng Guo <xuepeng.guo@intel.com>
1478             H.J. Lu  <hongjiu.lu@intel.com>
1479
1480         Atom pipeline model, tuning and insn selection.
1481         * config.gcc (atom): Add atom config options and target.
1482
1483         * config/i386/atom.md: New.
1484
1485         * config/i386/i386.c (atom_cost): New cost.
1486         (m_ATOM): New macro flag.
1487         (initial_ix86_tune_features): Set m_ATOM.
1488         (x86_accumulate_outgoing_args): Likewise.
1489         (x86_arch_always_fancy_math_387): Likewise.
1490         (processor_target): Add Atom cost.
1491         (cpu_names): Add Atom cpu name.
1492         (override_options): Set Atom ISA.
1493         (ix86_issue_rate): New case PROCESSOR_ATOM.
1494         (ix86_adjust_cost): Likewise.
1495
1496         * config/i386/i386.h (TARGET_ATOM): New target macro.
1497         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1498         (TARGET_OPT_AGU): New target option.
1499         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1500         (processor_type): Add PROCESSOR_ATOM.
1501
1502         * config/i386/i386.md (cpu): Add new value "atom".
1503         (use_carry, movu): New attr.
1504         (atom.md): Include atom.md.
1505         (adddi3_carry_rex64): Set attr "use_carry".
1506         (addqi3_carry): Likewise.
1507         (addhi3_carry): Likewise.
1508         (addsi3_carry): Likewise.
1509         (*addsi3_carry_zext): Likewise.
1510         (subdi3_carry_rex64): Likewise.
1511         (subqi3_carry): Likewise.
1512         (subhi3_carry): Likewise.
1513         (subsi3_carry): Likewise.
1514         (x86_movdicc_0_m1_rex64): Likewise.
1515         (*x86_movdicc_0_m1_se): Likewise.
1516         (x86_movsicc_0_m1): Likewise.
1517         (*x86_movsicc_0_m1_se): Likewise.
1518         (*adddi_1_rex64): Emit add insn as much as possible.
1519         (*addsi_1): Likewise.
1520         (return_internal): Set atom_unit.
1521         (return_internal_long): Likewise.
1522         (return_pop_internal): Likewise.
1523         (*rcpsf2_sse): Set atom_sse_attr attr.
1524         (*qrt<mode>2_sse): Likewise.
1525         (*prefetch_sse): Likewise.
1526
1527         * config/i386/i386-c.c (ix86_target_macros_internal): New case
1528         PROCESSOR_ATOM.
1529         (ix86_target_macros_internal): Likewise.
1530
1531         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1532         (*prefetch_sse_rex): Likewise.
1533         (sse_rcpv4sf2): Likewise.
1534         (sse_vmrcpv4sf2): Likewise.
1535         (sse_sqrtv4sf2): Likewise.
1536         (<sse>_vmsqrt<mode>2): Likewise.
1537         (sse_ldmxcsr): Likewise.
1538         (sse_stmxcsr): Likewise.
1539         (*sse_sfence): Likewise.
1540         (sse2_clflush): Likewise.
1541         (*sse2_mfence): Likewise.
1542         (*sse2_lfence): Likewise.
1543         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1544         (<sse>_movup<ssemodesuffixf2c>): Likewise.
1545         (avx_movdqu<avxmodesuffix>): Likewise.
1546         (avx_lddqu<avxmodesuffix>): Likewise.
1547         (sse2_movntv2di): Change attr "type" to "ssemov".
1548         (sse2_movntsi): Likewise.
1549         (rsqrtv8sf2): Change attr "type" to "sseadd".
1550         (sse3_addsubv2df3): Set attr "atom_unit".
1551         (sse3_h<plusminus_insn>v4sf3): Likewise.
1552         (*sse2_pmaddwd): Likewise.
1553         (*vec_extractv2di_1_rex64): Likewise.
1554         (*vec_extractv2di_1_avx): Likewise.
1555         (sse2_psadbw): Likewise.
1556         (ssse3_phaddwv8hi3): Likewise.
1557         (ssse3_phaddwv4hi3): Likewise.
1558         (ssse3_phadddv4si3): Likewise.
1559         (ssse3_phadddv2si3): Likewise.
1560         (ssse3_phaddswv8hi3): Likewise.
1561         (ssse3_phaddswv4hi3): Likewise.
1562         (ssse3_phsubwv8hi3): Likewise.
1563         (ssse3_phsubwv4hi3): Likewise.
1564         (ssse3_phsubdv4si3): Likewise.
1565         (ssse3_phsubdv2si3): Likewise.
1566         (ssse3_phsubswv8hi3): Likewise.
1567         (ssse3_phsubswv4hi3): Likewise.
1568         (ssse3_pmaddubsw128): Likewise.
1569         (sse3_pmaddubsw: Likewise.
1570         (ssse3_palignrti): Likewise.
1571         (ssse3_palignrdi): Likewise.
1572
1573 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1574
1575         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1576
1577 2009-04-06  Richard Guenther  <rguenther@suse.de>
1578
1579         PR tree-optimization/28868
1580         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1581         of which PHI results we inserted.
1582         (insert_into_preds_of_block): Record inserted PHIs.
1583         (eliminate): Eliminate redundant PHI nodes.
1584         (init_pre): Init inserted_phi_names.
1585
1586 2009-04-06  Richard Guenther  <rguenther@suse.de>
1587
1588         PR tree-optimization/39643
1589         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1590         IMAGPART_EXPRs of complex constants.
1591         (execute_fold_all_builtins): If we folded a call queue
1592         TODO_update_address_taken.
1593
1594 2009-04-06  Jan Hubicka  <jh@suse.cz>
1595
1596         PR middle-end/39659
1597         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1598         flag.
1599
1600 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1601
1602         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1603         delay slot.
1604         (ic_invalidate_array): Likewise.
1605
1606 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1607
1608         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1609         alignment for library calls.
1610
1611 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1612
1613         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1614         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1615         * config/i386/mingw-stdint.h:  New file.
1616
1617 2009-04-05  Richard Guenther  <rguenther@suse.de>
1618
1619         PR tree-optimization/39648
1620         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1621         our &A vs. &A[0] IL deficiencies.
1622
1623 2009-04-04  Jan Hubicka  <jh@suse.cz>
1624
1625         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1626         removed toplevel regions.
1627         (sjlj_mark_call_sites): Likewise.
1628
1629 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1630
1631         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1632         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1633         * config/i386/cygwin-stdint.h:  New file.
1634
1635 2009-04-04  Richard Guenther  <rguenther@suse.de>
1636
1637         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1638         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1639         single-argument PHIs if we are in loop-closed SSA form.
1640         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1641         for the pre-condition.
1642         (slpeel_tree_peel_loop_to_edge): Likewise.
1643         (vect_build_loop_niters): Take an optional sequence to append stmts.
1644         (vect_generate_tmps_on_preheader): Likewise.
1645         (vect_do_peeling_for_loop_bound): Take extra guards for the
1646         pre-condition.
1647         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1648         the cost model check.
1649         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1650         guards if we are going to peel.  Do not apply versioning in that case.
1651         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1652         (vect_do_peeling_for_loop_bound): Likewise.
1653         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1654         loop bound only record extra pre-conditions, do not apply loop
1655         versioning.
1656
1657 2009-04-04  Richard Guenther  <rguenther@suse.de>
1658
1659         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1660         renaming code.
1661
1662 2009-04-04  Jan Hubicka  <jh@suse.cz>
1663
1664         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1665         last_basic_block for size of bb->index indexed array.
1666         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1667         compute_out, link_btr_uses, build_btr_def_use_webs,
1668         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1669
1670 2009-04-04  Jan Hubicka  <jh@suse.cz>
1671
1672         * except.c (remove_eh_handler_and_replace): Break out from ...
1673         (remove_eh_handler): ... here.
1674         (bring_to_root): New function.
1675         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1676         handled ones, bring others to root of tree.
1677
1678 2009-04-04  Jan Hubicka  <jh@suse.cz>
1679
1680         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1681         (all_phis_safe_to_merge): New function.
1682         (update_info): New structure.
1683         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1684         (cleanup_empty_eh): Update SSA if possible.
1685
1686 2009-04-04  Richard Guenther  <rguenther@suse.de>
1687
1688         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1689         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1690         (append_vuse): Likewise.
1691
1692 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1693
1694         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1695         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1696         instead of REG_UNSAVED for DW_CFA_undefined.
1697         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1698         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1699         outermost frame.
1700
1701 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1702
1703         PR target/39501
1704         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1705         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1706         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1707
1708 2009-04-04  Richard Guenther  <rguenther@suse.de>
1709
1710         PR tree-optimization/8781
1711         PR tree-optimization/37892
1712         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1713         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1714         (valueize_refs): Call it for *& valueizations.
1715         (shared_reference_ops_from_ref): Rename to ...
1716         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1717         (shared_reference_ops_from_call): Rename to ...
1718         (valueize_shared_reference_ops_from_call): ... this and valueize.
1719         (vn_reference_lookup): Update.
1720         (visit_reference_op_call): Likewise.
1721         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1722         (eliminate): Value-replace the call address in call statements.
1723
1724 2009-04-04  Richard Guenther  <rguenther@suse.de>
1725
1726         PR tree-optimization/39636
1727         * tree-ssa-forwprop.c
1728         (forward_propagate_addr_into_variable_array_index): Check for
1729         GIMPLE_ASSIGN before accessing the rhs code.
1730
1731 2009-04-03  Jason Merrill  <jason@redhat.com>
1732
1733         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1734
1735 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1736
1737         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1738         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1739         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1740         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1741         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1742         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1743         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1744         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1745         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1746         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1747         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1748         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1749         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1750         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1751         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1752         Use fr_reg_or_fp01_operand instead of fr_register_operand
1753
1754         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1755         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1756         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1757
1758 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1759
1760         PR rtl-optimization/39607
1761         PR rtl-optimization/39631
1762
1763         Revert:
1764         
1765         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1766         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1767         instead of DF_LR_OUT.
1768         * ira-lives.c (process_bb_node_lives): Ditto.
1769         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1770         instead of DF_LR_{OUT,IN}.
1771         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1772         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1773
1774 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1775
1776         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1777         (execute_lower_omp): Always run but take the short way out if -fopenmp
1778         is not given.
1779         (gate_lower_omp): Remove, forcing the pass manager to always run the
1780         pass and always set PROP_gimple_lomp.
1781         (pass_lower_omp): Remove gate function.
1782         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1783         PROP_trees.  Instead, require it.
1784         * ipa-cp.c (pass_ipa_cp): Likewise.
1785         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1786         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1787         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1788         and PROP_gimple_leh.
1789
1790 2009-04-03  Richard Guenther  <rguenther@suse.de>
1791
1792         PR middle-end/13146
1793         PR tree-optimization/23940
1794         PR tree-optimization/33237
1795         PR middle-end/33974
1796         PR middle-end/34093
1797         PR tree-optimization/36201
1798         PR tree-optimization/36230
1799         PR tree-optimization/38049
1800         PR tree-optimization/38207
1801         PR tree-optimization/38230
1802         PR tree-optimization/38301
1803         PR tree-optimization/38585
1804         PR middle-end/38895
1805         PR tree-optimization/38985
1806         PR tree-optimization/39299
1807         * tree-ssa-structalias.h: Remove.
1808         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1809         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1810         (struct vuse_element_d): Remove.
1811         (struct vuse_vec_d): Likewise.
1812         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1813         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1814         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1815         VUSE_ELEMENT_VAR): Likewise.
1816         (struct voptype_d): Likewise.
1817         (NUM_VOP_FREE_BUCKETS): Likewise.
1818         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1819         (struct stmt_operands_d): Remove.
1820         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1821         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1822         VDEF_NUM, VDEF_VECT): Likewise.
1823         (copy_virtual_operands): Remove.
1824         (operand_build_cmp): Likewise.
1825         (create_ssa_artificial_load_stmt): Likewise.
1826         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1827         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1828         vuse_index and mayuse_index members.  Pack and move done and iter_type
1829         members to the front.
1830         (SSA_OP_VMAYUSE): Remove.
1831         (SSA_OP_VIRTUAL_USES): Adjust.
1832         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1833         (unlink_stmt_vdef): Declare.
1834         (add_to_addressable_set): Remove.
1835         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1836         (vrp_visit_stmt): Likewise.
1837         * doc/tree-ssa.texi (Alias analysis): Update.
1838         * doc/invoke.texi (max-aliased-vops): Remove docs.
1839         (avg-aliased-vops): Likewise.
1840         * tree-into-ssa.c (syms_to_rename): Remove.
1841         (need_to_update_vops_p): Likewise.
1842         (need_to_initialize_update_ssa_p): Rename to ...
1843         (update_ssa_initialized_fn): ... this.  Track function we are
1844         initialized for.
1845         (symbol_marked_for_renaming): Simplify.
1846         (add_new_name_mapping): Do not set need_to_update_vops_p.
1847         (dump_currdefs): Use SYMS_TO_RENAME.
1848         (rewrite_update_stmt): Always walk all uses/defs.
1849         (dump_update_ssa): Adjust.
1850         (init_update_ssa): Take function argument.  Track what we are
1851         initialized for.
1852         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1853         (create_new_def_for): Initialize for cfun, assert we are initialized
1854         for cfun.
1855         (mark_sym_for_renaming): Simplify.
1856         (mark_set_for_renaming): Do not initialize update-ssa.
1857         (need_ssa_update_p): Simplify.  Take function argument.
1858         (name_mappings_registered_p): Assert we ask for the correct function.
1859         (name_registered_for_update_p): Likewise.
1860         (ssa_names_to_replace): Likewise.
1861         (release_ssa_name_after_update_ssa): Likewise.
1862         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
1863         (dump_decl_set): Do not print a newline.
1864         (debug_decl_set): Do it here.
1865         (dump_update_ssa): And here.
1866         * tree-ssa-loop-im.c (move_computations): Adjust.
1867         (movement_possibility): Likewise.
1868         (determine_max_movement): Likewise.
1869         (gather_mem_refs_stmt): Likewise.
1870         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1871         or NAME_MEMORY_TAG.
1872         * tree-complex.c (update_all_vops): Remove.
1873         (expand_complex_move): Adjust.
1874         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1875         Simplify test for memory referencing statement.  Exclude
1876         non-invariant ADDR_EXPRs.
1877         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1878         * tree-loop-distribution.c (generate_memset_zero): Adjust.
1879         (rdg_flag_uses): Likewise.
1880         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1881         related code.
1882         (tree_optimize_tail_calls_1): Also split the
1883         edge from the entry block if we have degenerate PHI nodes in
1884         the first basic block.
1885         * tree.c (init_ttree): Remove memory-tag related code.
1886         (tree_code_size): Likewise.
1887         (tree_node_structure): Likewise.
1888         (build7_stat): Re-write to be build6_stat.
1889         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1890         (SSA_VAR_P): Adjust.
1891         (struct tree_memory_tag): Remove.
1892         (struct tree_memory_partition_tag): Likewise.
1893         (union tree_node): Adjust.
1894         (build7): Re-write to be build6.
1895         * tree-pass.h (pass_reset_cc_flags): Remove.
1896         (TODO_update_address_taken): New flag.
1897         (pass_simple_dse): Remove.
1898         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1899         * params.h (MAX_ALIASED_VOPS): Remove.
1900         (AVG_ALIASED_VOPS): Likewise.
1901         * omp-low.c (expand_omp_taskreg): Update SSA form.
1902         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1903         aliases the lhs in a copy stmt.
1904         * tree-ssa-dse.c (struct address_walk_data): Remove.
1905         (memory_ssa_name_same): Likewise.
1906         (memory_address_same): Likewise.
1907         (get_kill_of_stmt_lhs): Likewise.
1908         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
1909         unused stores.  Look through PHI nodes into post-dominated regions.
1910         (dse_optimize_stmt): Simplify.  Properly remove stores.
1911         (tree_ssa_dse): Compute dominators.
1912         (execute_simple_dse): Remove.
1913         (pass_simple_dse): Likewise.
1914         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1915         gimple_loaded_syms and gimple_stored_syms computation.
1916         * toplev.c (dump_memory_report): Dump alias and pta stats.
1917         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1918         (vn_reference_eq): Likewise.
1919         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1920         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1921         valueize_vuses): Remove.
1922         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
1923         (get_def_ref_stmt_vuse): ... this.
1924         (vn_reference_lookup_2): New function.
1925         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1926         walking equivalent vuses.  Simplify.
1927         (vn_reference_lookup): Likewise.
1928         (vn_reference_insert): Likewise.
1929         (vn_reference_insert_pieces): Likewise.
1930         (visit_reference_op_call): Simplify.
1931         (visit_reference_op_load): Likewise.
1932         (visit_reference_op_store): Likewise.
1933         (init_scc_vn): Remove shared_lookup_vuses initialization.
1934         (free_scc_vn): Remove shared_lookup_vuses freeing.
1935         (sort_vuses, sort_vuses_heap): Remove.
1936         (get_ref_from_reference_ops): Export.
1937         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1938         vector with single vuse pointer.
1939         (vn_reference_lookup_pieces, vn_reference_lookup,
1940         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1941         (shared_vuses_from_stmt): Remove.
1942         (get_ref_from_reference_ops): Declare.
1943         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1944         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1945         memory-tag related code.
1946         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1947         (likely_value): Add comment, skip static-chain of call statements.
1948         (surely_varying_stmt_p): Adjust.
1949         (gimplify_and_update_call_from_tree): Likewise.
1950         (execute_fold_all_builtins): Do not rebuild alias info.
1951         (gimplify_and_update_call_from_tree): Properly update VOPs.
1952         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1953         (copy_ref_info): Remove memory-tag related code.
1954         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1955         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1956         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1957         computation.
1958         * tree-ssa-dom.c (gimple_p): Remove typedef.
1959         (eliminate_redundant_computations): Adjust.
1960         (record_equivalences_from_stmt): Likewise.
1961         (avail_expr_hash): Likewise.
1962         (avail_expr_eq): Likewise.
1963         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1964         (stmt_makes_single_load): Likewise.
1965         (stmt_makes_single_store): Likewise.
1966         * tree-ssa-alias.c: Rewrite completely.
1967         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1968         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1969         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1970         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1971         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1972         Remove public functions.
1973         (pass_reset_cc_flags): Remove.
1974         (pass_build_alias): Move ...
1975         * tree-ssa-structalias.c (pass_build_alias): ... here.
1976         * tree-ssa-alias.c (may_be_aliased): Move ...
1977         * tree-flow-inline.h (may_be_aliased): ... here.
1978         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1979         count_uses_and_derefs): Move ...
1980         * gimple.c: ... here.
1981         * gimple.h (count_uses_and_derefs): Declare.
1982         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1983         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1984         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1985         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1986         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1987         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1988         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1989         New functions.
1990         * tree-dfa.c (refs_may_alias_p): Move ...
1991         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
1992         * tree-ssa-alias.h: New file.
1993         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1994         (statement_sink_location): Likewise.
1995         * opts.c (decode_options): Do not adjust max-aliased-vops or
1996         avg-aliased-vops values.
1997         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1998         (TV_CALL_CLOBBER): Likewise.
1999         (TV_FLOW_SENSITIVE): Likewise.
2000         (TV_FLOW_INSENSITIVE): Likewise.
2001         (TV_MEMORY_PARTITIONING): Likewise.
2002         (TV_ALIAS_STMT_WALK): New timevar.
2003         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
2004         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
2005         (get_address_description): Remove memory-tag related code.
2006         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
2007         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
2008         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
2009         and immediate uses in statements.  Document.
2010         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
2011         (dump_symbols): Remove.
2012         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
2013         * alias.c (get_deref_alias_set): New function split out from ...
2014         (get_alias_set): ... here.
2015         * alias.h (get_deref_alias_set): Declare.
2016         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
2017         type parameter.  Remove restrict pointer handling.  Create a
2018         ref-all pointer in case type-based alias sets do not conflict.
2019         (vect_analyze_data_refs): Remove SMT related code.
2020         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
2021         (vectorizable_load): Likewise.
2022         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
2023         (DR_SYMBOL_TAG, DR_VOPS): Remove.
2024         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
2025         Ignore vops and SMTs.
2026         (dr_analyze_alias): Likewise..
2027         (free_data_ref): Likewise.
2028         (create_data_ref): Likewise.
2029         (analyze_all_data_dependences): Likewise.
2030         (get_references_in_stmt): Adjust.
2031         * tree-flow-inline.h (gimple_aliases_computed_p,
2032         gimple_addressable_vars, gimple_call_clobbered_vars,
2033         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
2034         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
2035         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
2036         gimple_mem_ref_stats): Remove.
2037         (gimple_vop): New function.
2038         (op_iter_next_use): Remove vuses and mayuses cases.
2039         (op_iter_next_def): Remove vdefs case.
2040         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
2041         (clear_and_done_ssa_iter): Do not set removed fields.
2042         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
2043         Assert we are not iterating over vuses or vdefs if not also
2044         iterating over uses or defs.
2045         (op_iter_init_use): Likewise.
2046         (op_iter_init_def): Likewise.
2047         (op_iter_next_vdef): Remove.
2048         (op_iter_next_mustdef): Likewise.
2049         (op_iter_init_vdef): Likewise.
2050         (compare_ssa_operands_equal): Likewise.
2051         (link_use_stmts_after): Handle vuse operand.
2052         (is_call_used): Use is_call_clobbered.
2053         (is_call_clobbered): Global variables are always call clobbered,
2054         query the call-clobbers bitmap.
2055         (mark_call_clobbered): Ignore global variables.
2056         (clear_call_clobbered): Likewise.
2057         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
2058         virtual operands sanity check.
2059         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
2060         Remove.
2061         (TARGET_MEM_REF): Remove TMR_TAG operand.
2062         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
2063         Remove call-clobber related code.
2064         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
2065         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
2066         partitions or escape reason.
2067         (get_single_def_stmt, get_single_def_stmt_from_phi,
2068         get_single_def_stmt_with_phi): Remove.
2069         (dump_referenced_vars): Tidy.
2070         (get_ref_base_and_extent): Allow bare decls.
2071         (collect_dfa_stats): Adjust.
2072         * graphite.c (rename_variables_in_stmt): Adjust.
2073         (graphite_copy_stmts_from_block): Likewise.
2074         (translate_clast): Likewise.
2075         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
2076         (EXPR_DIES): New.
2077         (translate_vuse_through_block): Use the oracle.
2078         (phi_translate_1): Adjust.
2079         (value_dies_in_block_x): Use the oracle.  Cache the outcome
2080         in EXPR_DIES.
2081         (valid_in_sets): Check if the VUSE for
2082         a REFERENCE is available.
2083         (eliminate): Do not remove stmts during elimination,
2084         instead queue and remove them afterwards.
2085         (do_pre): Do not rebuild alias info.
2086         (pass_pre): Run TODO_rebuild_alias before PRE.
2087         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
2088         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
2089         (mark_all_v_defs_stmt): Remove.
2090         (mark_all_v_defs_seq): Adjust.
2091         (sra_replace): Likewise.
2092         (scalarize_use): Likewise.
2093         (scalarize_copy): Likewise.
2094         (scalarize_init): Likewise.
2095         (scalarize_ldst): Likewise.
2096         (todoflags): Remove.
2097         (tree_sra): Do not rebuild alias info.
2098         (tree_sra_early): Adjust.
2099         (pass_sra): Run TODO_update_address_taken before SRA.
2100         * tree-predcom.c (set_alias_info): Remove.
2101         (prepare_initializers_chain): Do not call it.
2102         (mark_virtual_ops_for_renaming): Adjust.
2103         (mark_virtual_ops_for_renaming_list): Remove.
2104         (initialize_root_vars): Adjust.
2105         (initialize_root_vars_lm): Likewise.
2106         (prepare_initializers_chain): Likewise.
2107         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
2108         (may_propagate_copy_into_stmt): Likewise.
2109         (merge_alias_info): Do nothing for now.
2110         (propagate_tree_value_into_stmt): Adjust.
2111         (stmt_may_generate_copy): Likewise.
2112         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
2113         not mark symbols for renaming.
2114         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
2115         with the same statement, make sure to update the new pointed-to one.
2116         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
2117         call statements, do not mark symbols for renaming.
2118         (mark_operand_necessary): Dump something.
2119         (ref_may_be_aliased): New function.
2120         (mark_aliased_reaching_defs_necessary_1): New helper function.
2121         (mark_aliased_reaching_defs_necessary): Likewise.
2122         (mark_all_reaching_defs_necessary_1): Likewise.
2123         (mark_all_reaching_defs_necessary): Likewise.
2124         (propagate_necessity): Do not process virtual PHIs.  For
2125         non-aliased loads mark all reaching definitions as necessary.
2126         For aliased loads and stores mark the immediate dominating
2127         aliased clobbers as necessary.
2128         (visited): New global static.
2129         (perform_tree_ssa_dce): Free visited bitmap after propagating
2130         necessity.
2131         (remove_dead_phis): Perform simple dead virtual PHI removal.
2132         (remove_dead_stmt): Properly unlink virtual operands when
2133         removing stores.
2134         (eliminate_unnecessary_stmts): Schedule PHI removal after
2135         stmt removal.
2136         * tree-ssa-ter.c (is_replaceable_p): Adjust.
2137         (process_replaceable): Likewise.
2138         (find_replaceable_in_bb): Likewise.
2139         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2140         based on the single gimple vop.
2141         (verify_flow_insensitive_alias_info): Remove.
2142         (verify_flow_sensitive_alias_info): Likewise.
2143         (verify_call_clobbering): Likewise.
2144         (verify_memory_partitions): Likewise.
2145         (verify_alias_info): Likewise.
2146         (verify_ssa): Adjust..
2147         (execute_update_addresses_taken): Export.  Update SSA
2148         manually.  Optimize only when optimizing.  Use a local bitmap.
2149         (pass_update_address_taken): Remove TODO_update_ssa, add
2150         TODO_dump_func.
2151         (pass_update_address_taken): Just use TODO_update_address_taken.
2152         (init_tree_ssa): Do not initialize addressable_vars.
2153         (verify_ssa): Verify new VUSE / VDEF properties.
2154         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2155         Do not call verify_alias_info.
2156         (delete_tree_ssa): Clear the VUSE, VDEF operands.
2157         Do not free the loaded and stored syms bitmaps.  Reset the escaped
2158         and callused solutions.  Do not free addressable_vars.
2159         Remove memory-tag related code.
2160         (warn_uninitialized_var): Aliases are always available.
2161         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2162         * lambda-code.c (can_put_in_inner_loop): Adjust.
2163         (can_put_after_inner_loop): Likewise.
2164         (perfect_nestify): Likewise.
2165         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2166         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2167         (vectorizable_conversion): Do not mark symbols for renaming.
2168         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2169         (expand_call_inline): Unlink the calls virtual operands before
2170         replacing it.
2171         (tree_function_versioning): Do not call update_ssa if we are not
2172         updating clones.  Simplify.
2173         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2174         (propagate_with_phi): Likewise..
2175         * tree-outof-ssa.c (create_temp): Remove memory tag and call
2176         clobber code.  Assert we are not aliased or global.
2177         * tree-flow.h: Include tree-ssa-alias.h
2178         (enum escape_type): Remove.
2179         (struct mem_sym_stats_d): Likewise.
2180         (struct mem_ref_stats_d): Likewise.
2181         (struct gimple_df): Add vop member.  Remove global_var,
2182         call_clobbered_vars, call_used_vars, addressable_vars,
2183         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
2184         escaped and callused members.
2185         (struct ptr_info_def): Remove all members, add points-to solution
2186         member pt.
2187         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2188         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2189         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2190         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2191         (tree-ssa-alias.o): Likewise.
2192         (toplev.o): Add tree-ssa-alias.h
2193         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2194         * gimple.c (gimple_set_bb): Fix off-by-one error.
2195         (is_gimple_reg): Do not handle memory tags.
2196         (gimple_copy): Also copy virtual operands.
2197         Delay updating the statement.  Do not reset loaded and stored syms.
2198         (gimple_set_stored_syms): Remove.
2199         (gimple_set_loaded_syms): Likewise.
2200         (gimple_call_copy_skip_args): Copy the virtual operands
2201         and mark the new statement modified.
2202         * tree-ssa-structalias.c (may_alias_p): Remove.
2203         (set_uids_in_ptset): Take the alias set to prune with as
2204         parameter.  Fold in the alias test of may_alias_p.
2205         (compute_points_to_sets): Compute whether a ptr is dereferenced
2206         in a local sbitmap.
2207         (process_constraint): Deal with &ANYTHING on the lhs, reject all
2208         other ADDRESSOF constraints on the lhs.
2209         (get_constraint_for_component_ref): Assert that we don't get
2210         ADDRESSOF constraints from the base of the reference.
2211         Properly generate UNKNOWN_OFFSET for DEREF if needed.
2212         (struct variable_info): Remove collapsed_to member.
2213         (get_varinfo_fc): Remove.
2214         (new_var_info): Do not set collapsed_to.
2215         (dump_constraint): Do not follow cycles.
2216         (dump_constraint_graph): Likewise.
2217         (build_pred_graph): Likewise.
2218         (build_succ_graph): Likewise.
2219         (rewrite_constraints): Likewise.
2220         (do_simple_structure_copy): Remove.
2221         (do_rhs_deref_structure_copy): Remove.
2222         (do_lhs_deref_structure_copy): Remove.
2223         (collapse_rest_of_var): Remove.
2224         (do_structure_copy): Re-implement.
2225         (pta_stats): New global variable.
2226         (dump_pta_stats): New function.
2227         (struct constraint_expr): Make offset signed.
2228         (UNKNOWN_OFFSET): Define special value.
2229         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2230         (solution_set_expand): New helper function split out from ...
2231         (do_sd_constraint): ... here.
2232         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
2233         (do_ds_constraint): Likewise.
2234         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
2235         and CALLUSED = *CALLUSED.
2236         (set_union_with_increment): Make inc argument signed.
2237         (type_safe): Remove.
2238         (get_constraint_for_ptr_offset): Handle unknown and negative
2239         constant offsets.
2240         (first_vi_for_offset): Handle offsets before start.  Bail
2241         out early for offsets beyond the variable extent.
2242         (first_or_preceding_vi_for_offset): New function.
2243         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2244         Together with ESCAPED = *ESCAPED this properly computes reachability.
2245         (find_what_var_points_to): New function.
2246         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2247         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2248         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2249         pt_solutions_intersect): New functions.
2250         (compute_call_used_vars): Remove.
2251         (compute_may_aliases): New main entry into PTA computation.
2252         * gimple.h (gimple_p): New typedef.
2253         (struct gimple_statement_base): Remove references_memory_p.
2254         (struct gimple_statement_with_memory_ops_base): Remove
2255         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
2256         members.
2257         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2258         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2259         gimple_set_references_memory): Remove.
2260         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2261         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2262         New functions.
2263         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2264         (verify_expr): Allow RESULT_DECL.
2265         (gimple_duplicate_bb): Do not copy virtual operands.
2266         (gimple_duplicate_sese_region): Adjust.
2267         (gimple_duplicate_sese_tail): Likewise.
2268         (mark_virtual_ops_in_region): Remove.
2269         (move_sese_region_to_fn): Do not call it.
2270         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2271         and pass_simple_dse.
2272         (execute_function_todo): Handle TODO_update_address_taken,
2273         call execute_update_addresses_taken for TODO_rebuild_alias.
2274         (execute_todo): Adjust.
2275         (execute_one_pass): Init dump files early.
2276         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2277         call-clobbered.
2278         (create_general_new_stmt): Clear vops.
2279         * tree-ssa-reassoc.c (get_rank): Adjust.
2280         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2281         symbols for renaming.
2282         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2283         (PARAM_AVG_ALIASED_VOPS): Likewise.
2284         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2285         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2286         * tree-ssa-operands.c: Simplify for new virtual operand representation.
2287         (operand_build_cmp, copy_virtual_operands,
2288         create_ssa_artificial_load_stmt, add_to_addressable_set,
2289         gimple_add_to_addresses_taken): Remove public functions.
2290         (unlink_stmt_vdef): New function.
2291
2292 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2293
2294         * config.gcc (powerpc-*-linux*): Merge variants.
2295
2296 2009-04-02  Chao-ying Fu  <fu@mips.com>
2297             James Grosbach <james.grosbach@microchip.com>
2298
2299         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2300         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2301         cop0_sp_offset.
2302         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2303         keep_interrupts_masked_p, use_debug_exception_return_p.
2304         (mips_attribute_table): Add interrupt, use_shadow_register_set,
2305         keep_interrupts_masked, use_debug_exception_return.
2306         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2307         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2308         New functions.
2309         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2310         (mips_print_operand): Process COP0 registers to print $0 .. $31
2311         correctly for GAS to process.
2312         (mips_interrupt_extra_call_saved_reg_p): New function.
2313         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2314         extra registers.
2315         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2316         (mips_compute_frame_info): Add supports for interrupt context that
2317         includes doubleword accumulators and COP0 registers.
2318         (mips_for_each_saved_acc): New function.
2319         (mips_for_each_saved_gpr_and_fpr): Change the function name from
2320         mips_for_each_saved_reg.
2321         (mips_save_reg): Save accumulators.
2322         (mips_kernel_reg_p): A new for_each_rtx callback.
2323         (mips_expand_prologue): Support interrupt handlers.
2324         (mips_restore_reg): Restore accumulators.
2325         (mips_expand_epilogue): Support interrupt handlers.
2326         (mips_can_use_return_insn): Return false for interrupt handlers.
2327         (mips_epilogue_uses): New function.
2328         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2329         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2330         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2331         cop0_move): New instructions.
2332         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2333         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2334         defines.
2335         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2336         New defines.
2337         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2338         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2339         interrupt handlers, we use K0 as the temporary register.
2340         (EPILOGUE_USES): Change to a function call.
2341         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2342         handlers, we use K0 as the temporary register.
2343         
2344         * doc/extend.texi (Function Attributes): Document interrupt,
2345         use_shadow_register_set, keep_interrupts_masked,
2346         use_debug_exception_return for MIPS attributes.
2347
2348 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2349
2350         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2351         Remove a number of t-files from tmake_file.
2352         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2353         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2354         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2355         target_prototype, not TARGET_PROTOTYPE.
2356         (LINK_OS_GNU_SPEC): Define.
2357         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2358         and darwin-ldoubdle.c.
2359
2360 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2361
2362         PR driver/39293
2363         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2364         (cpp_options): Ditto.
2365         (default_compilers): Ditto.
2366         (display_help): Ditto.
2367         (process_command): Ditto.
2368         (do_spec_1): Ditto.
2369         (set_input): Use lbasename instead of duplicate code.
2370         (save_temps_prefix): New static for -save-temps=obj.
2371         (save_temps_length): Ditto.
2372         
2373         * doc/invoke.texi (-save-temps=obj): Document new variant to
2374         -save-temps switch.
2375
2376 2009-04-02  Jeff Law  <law@redhat.com>
2377
2378         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2379         variable.
2380
2381 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2382
2383         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2384         * configure: Regenerated.
2385
2386 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2387
2388         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2389         share the argument list.
2390
2391 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2392
2393         Merge
2394
2395         2009-02-12  Diego Novillo  <dnovillo@google.com>
2396
2397         * varpool.c (debug_varpool): New.
2398         * cgraph.h (debug_varpool): Declare.
2399
2400 2009-04-02  Jan Hubicka  <jh@suse.cz>
2401
2402         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2403         pass.
2404
2405 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2406
2407         * config/i386/i386.c (ix86_abi): Move initialization to ...
2408         (override_options): Here.
2409
2410 2009-04-02  Christian Bruel  <christian.bruel@st.com>
2411
2412         * config/sh/sh.c (sh_dwarf_register_span): New function.
2413         (TARGET_DWARF_REGISTER_SPAN): Define.
2414         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2415         
2416 2009-04-02  Ira Rosen  <irar@il.ibm.com>
2417
2418         PR tree-optimization/39595
2419         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
2420         interleaved loads group is not  greater than the SLP group size.
2421
2422 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2423
2424         * builtins.c (is_builtin_name): New.
2425         (called_as_built_in): Use is_builtin_name.
2426         * tree.h (is_builtin_name): New.
2427         * varasm.c (incorporeal_function_p): Use is_builtin_name
2428
2429 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
2430
2431         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2432
2433 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
2434
2435         PR c++/26693
2436         * c-decl.c (clone_underlying_type): Move this ...
2437         * c-common.c (set_underlying_type): ... here.
2438         Also, make sure the function properly sets TYPE_STUB_DECL() on
2439         the newly created typedef variant type.
2440         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2441         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2442         points.
2443
2444 2009-04-02  Richard Guenther  <rguenther@suse.de>
2445
2446         PR tree-optimization/37221
2447         * tree-flow.h (degenerate_phi_result): Declare.
2448         * tree-ssa-dom.c (degenerate_phi_result): Export.
2449         * tree-scalar-evolution.c (analyze_initial_condition): If
2450         the initial condition is defined by a degenerate PHI node
2451         use the degenerate value.
2452
2453 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
2454
2455         PR rtl-optimization/39588
2456         * combine.c (merge_outer_ops): Do not set the constant when this
2457         is not necessary.
2458         (simplify_shift_const_1): Do not modify it either in this case.
2459
2460 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2461
2462         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2463         tuning is deprecated if -mtune value is set to an Itanium1 variant.
2464
2465 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
2466
2467         PR c/29027
2468         * c-lex.c (interpret_float): Default (no suffix) is double.
2469
2470 2009-04-1  Xinliang David Li  <davidxl@google.com>
2471
2472         * config/i386/i386.c (legitimate_constant_p): Recognize
2473         all one vector constant.
2474
2475 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2476
2477         * gcc/config/vax/vax.c: Add #includes to silence warnings.
2478         Change #include order to silence two warnings.
2479
2480 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2481
2482         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2483         (ASM_SPEC): Pass -k to the assembler for PIC code.
2484
2485 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2486
2487         * gcc/config.gcc: Add vax-*-linux* to the switch.
2488         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2489         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2490
2491 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2492
2493         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2494         Use predicate macros instead of GET_CODE() == foo.
2495         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2496         ashlsi3, rotrsi3, <unnamed>): Likewise.
2497
2498 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2499
2500         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2501         jbbccihi, jbbccisi): Remova trailing whitespace.
2502         * gcc/config/vax/constraints.md: Likewise.
2503         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2504         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2505         * gcc/config/vax/predicates.md: Likewise.
2506         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2507         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2508         * gcc/config/vax/vax.h: Likewise.
2509         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2510
2511 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2512
2513         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2514         (indirectable_address_p, adjacent_operands_p): Add spaces around
2515         braces.
2516         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2517
2518 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2519
2520         * gcc/config/vax/vax.c (legitimate_constant_address_p,
2521         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2522         index_term_p, reg_plus_index_p, legitimate_address_p,
2523         vax_mode_dependent_address_p): Update comments to match functions
2524         modified by the recent int->bool conversion.
2525
2526 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2527
2528         * gcc/config/vax/builtins.md: Update copyright message.
2529         * gcc/config/vax/constraints.md: Likewise.
2530         * gcc/config/vax/netbsd-elf.h: Likewise.
2531         * gcc/config/vax/predicates.md: Likewise.
2532         * gcc/config/vax/vax-protos.h: Likewise.
2533         * gcc/config/vax/vax.c: Likewise.
2534         * gcc/config/vax/vax.h: Likewise.
2535         * gcc/config/vax/vax.md: Likewise.
2536         * gcc/config/vax/vax.opt: Likewise.
2537
2538 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2539
2540         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2541         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2542         * gcc/config/vax/constraints.md (B, R): Likewise.
2543         * gcc/config/vax/predicates.md (external_memory_operand,
2544         nonimmediate_addsub_di_operand): Likewise.
2545         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2546         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2547         untyped_call): Likewise.
2548
2549 2009-04-01  Matt Thomas <matt@3am-software.com>
2550
2551         * config/vax/predicates.md: New file.
2552         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2553         external_const_operand, nonsymbolic_operand, external_memory_operand,
2554         indirect_memory_operand, indexed_memory_operand,
2555         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2556         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2557         predicate.
2558         * config/vax/constraints.md: New file.
2559         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2560         New constraint.
2561         * config/vax/builtins.md: New file.
2562         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2563         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2564         jbbccisi): Define.
2565         * config/vax/vax.opt (mqmath): Add option.
2566         * config/vax/vax.md (isfx): Extend with DI.
2567         (VAXintQH, VAXintQHSD): Define.
2568         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2569         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2570         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2571         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2572         (movdi): Update constraints and use vax_output_int_move().
2573         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2574         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2575         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2576         nonlocal_goto): New.
2577         (mov<mode>): Extend accepted operand types.
2578         (subdi3_old): Rename from subdi3, change update constraints and use
2579         a new implementation.
2580         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2581         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2582         MOVE_RATIO, CLEAR_RATIO): Define.
2583         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2584         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2585         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2586         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2587         (split_quadword_operands): Make static and really allow variable
2588         splitting.
2589         (print_operand_address): Update for PIC generation.
2590         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2591         indexable_address_p, fixup_mathdi_operand,
2592         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2593         (vax_float_literal, legitimate_constant_p,
2594         indirectable_constant_address_p, index_term_p,
2595         reg_plus_index_p): Return bool instead of int.
2596         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2597         where needed.
2598         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2599         generation.
2600         (vax_output_conditional_branch): Indent.
2601         (legitimate_constant_address_p, indirectable_constant_address_p,
2602         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2603         vax_mode_dependent_address_p): Return bool instead of int, update for
2604         PIC generation.
2605         * config/vax/vax-protos.h (legitimate_constant_address_p,
2606         legitimate_constant_p, legitimate_address_p,
2607         vax_mode_dependent_address_p): Change declaration to bool.
2608         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2609         vax_expand_addsub_di_operands, vax_output_int_subtract,
2610         vax_output_movmemsi): Declare.
2611         (split_quadword_operands, vax_float_literal): Delete declaration.
2612         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2613         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2614         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2615         ASM_OUTPUT_DWARF_PCREL): Define.
2616         (ASM_SPEC): Change definition to allow PIC generation.
2617
2618 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2619
2620         * doc/sourcebuild.texi: Update front-end requirements.
2621
2622 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2623
2624         PR target/39226
2625         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2626         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2627         (booldi3_internal3): Use boolean_or_operator instead of
2628         boolean_operator.
2629
2630 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2631
2632         PR c/39605
2633         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2634         declarator whose size is not an integer constant expression but
2635         folds to an integer constant, then treat it as a constant
2636         subsequently.
2637
2638 2009-04-01  Richard Guenther  <rguenther@suse.de>
2639
2640         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2641         i * 4 + 2 to (i * 2 + 1) * 2.
2642
2643 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2644
2645         PR c/37772
2646         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2647         return if c_parser_asm_string_literal returned NULL.
2648
2649 2009-04-01  Nick Clifton  <nickc@redhat.com>
2650
2651         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2652         already defined.
2653         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2654         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2655         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2656         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2657         include it.
2658         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2659         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2660         then include it.
2661
2662 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2663
2664         * varasm.c (default_function_rodata_section): Declare DOT as
2665         const char*.
2666
2667 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2668             Andrey Galkin <agalkin@hypercom.com>
2669
2670         PR/39492
2671         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2672         Make object_name unique for each process.
2673
2674 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2675
2676         PR other/39591
2677         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2678         addressable variables in the parallel that could go out of scope while
2679         running queued tasks.
2680
2681 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2682
2683         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2684         (CASE_VALUES_THRESHOLD): Redefine.
2685         * config/avr/avr.c (avr_override_options): Remove initialization of
2686         avr_case_values_threshold variable.
2687         (avr_case_values_threshold): Remove variable. Add new function.
2688         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2689         * config/avr/avr.opt (mno-tablejump): Remove option.
2690         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2691
2692 2009-04-01  DJ Delorie  <dj@redhat.com>
2693
2694         * varasm.c (default_function_rodata_section): Don't assume
2695         anything about where the first '.' in the section name is.
2696
2697 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2698
2699         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2700         rs6000_emit_stack_tie.
2701
2702 2009-03-31  Ian Lance Taylor  <iant@google.com>
2703
2704         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2705         gimple_code with GIMPLE_RESX, not RESX.
2706
2707 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2708
2709         * c-common.c (c_get_ident): New.
2710         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2711
2712 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2713
2714         * config/rs6000/sysv4.opt (msdata): Improve option description.
2715
2716 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2717
2718         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2719         (divdf3_internal_lat): Remove.
2720         (divxf3_internal_lat): Remove.
2721         (divxf3_internal_thr): Remove.
2722         (divxf): Use divxf3_internal.
2723         * config/ia64/div.md (divsf3_internal_lat): New.
2724         (divdf3_internal_lat): New.
2725         (divxf3_internal): New.
2726
2727 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2728
2729         PR c/448
2730         * Makefile.in (USE_GCC_STDINT): Define.
2731         (stmp-int-hdrs): Install stdint.h if applicable.
2732         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2733         if known.
2734         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2735         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2736         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2737         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2738         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2739         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2740         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2741         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2742         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2743         (c_common_nodes_and_builtins): Initialize
2744         underlying_wchar_type_node.  Do not initialize
2745         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2746         nodes for new types.
2747         (c_stddef_cpp_builtins): Define macros for new types.
2748         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2749         Remove.
2750         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2751         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2752         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2753         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2754         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2755         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2756         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2757         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2758         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2759         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2760         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2761         int16_type_node, int32_type_node, int64_type_node,
2762         uint8_type_node, uint16_type_node, c_uint32_type_node,
2763         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2764         int_least32_type_node, int_least64_type_node,
2765         uint_least8_type_node, uint_least16_type_node,
2766         uint_least32_type_node, uint_least64_type_node,
2767         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2768         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2769         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2770         uintptr_type_node): Define.
2771         * c-cppbuiltin.c (builtin_define_constants,
2772         builtin_define_type_minmax): New.
2773         (builtin_define_stdint_macros): Define more macros.
2774         (c_cpp_builtins): Define more limit macros.
2775         (type_suffix): New.
2776         (builtin_define_type_max): Define in terms of
2777         builtin_define_type_minmax.  Remove is_long parameter.  All
2778         callers changed.
2779         * config.gcc (use_gcc_stdint): Define.
2780         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2781         Add newlib-stdint.h for generic targets.
2782         * config/glibc-stdint.h, config/newlib-stdint.h,
2783         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2784         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2785         * config/score/score.h (UINTPTR_TYPE): Define.
2786         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2787         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2788         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2789         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2790         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2791         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2792         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2793         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2794         * config/spu/spu.h (STDINT_LONG32): Define.
2795         * configure.ac (use_gcc_stdint): Substitute.
2796         * configure: Regenerate.
2797         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2798         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2799         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2800         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2801         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2802         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2803         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2804         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2805         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2806         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2807         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2808         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2809         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2810         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2811         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2812         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2813         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2814         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2815         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2816         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2817         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2818         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2819         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2820         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2821         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2822         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2823         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2824         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2825         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2826
2827 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2828
2829         * loop-iv.c (suitable_set_for_replacement): Renamed from
2830         simplify_using_assignment; changed to return bool and to accept new
2831         args DEST and SRC.  Return true iff we find a source/destination pair
2832         that can be used to make a replacement, and fill SRC and DEST if so.
2833         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2834         changed.
2835         (simplify_using_initial_values): Deal with altered regs here and track
2836         more precisely the effect they have on the validity of our expression.
2837
2838         * loop-iv.c (simplify_using_condition): A condition of the form
2839         (EQ REG CONST) can be used to simply make a substitution.
2840         (simplify_using_initial_values): Keep track of conditions we have seen
2841         and keep using them to simplify new expressions, while applying the
2842         same substitutions to them as to the expression.
2843
2844         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2845         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2846         GEU/LTU reversed.
2847
2848         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
2849         changed.  Use this when trying to improve the upper bound.
2850         Generate the comparison by using simplify_gen_relational.
2851
2852         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2853
2854         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2855         functions.
2856         (simplify_using_assignment, simplify_using_initial_values): Call 
2857         replace_in_expr to make replacements.  Call replace_single_def_regs
2858         once on the initial version of the expression.
2859
2860 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2861
2862         PR target/27237
2863         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2864         
2865 2009-03-31  Richard Guenther  <rguenther@suse.de>
2866
2867         PR middle-end/31029
2868         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2869         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
2870
2871 2009-03-31  Richard Guenther  <rguenther@suse.de>
2872
2873         * tree.h (div_if_zero_remainder): Declare.
2874         * fold-const.c (div_if_zero_remainder): Export.
2875         * tree-ssa-forwprop.c
2876         (forward_propagate_addr_into_variable_array_index): Handle
2877         constant array index addition outside of the variable index.
2878
2879 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2880
2881         PR target/39592
2882         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2883         define_splits, floatunssi<mode>2): Require x87 conversions from
2884         DImode to be permitted.
2885
2886 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2887
2888         PR preprocessor/15638
2889         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2890
2891 2009-03-31  Richard Guenther  <rguenther@suse.de>
2892
2893         PR middle-end/23401
2894         PR middle-end/27810
2895         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2896         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2897         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2898         a separate statement.
2899         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2900         (lookup_tmp_var): Likewise.
2901         (is_gimple_formal_tmp_or_call_rhs): Remove.
2902         (is_gimple_reg_or_call_rhs): Rename to ...
2903         (is_gimple_reg_rhs_or_call): ... this.
2904         (is_gimple_mem_or_call_rhs): Rename to ...
2905         (is_gimple_mem_rhs_or_call): ... this.
2906         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
2907         DECL_GIMPLE_REG_P only if is_formal is true.
2908         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
2909         for non-proper post-modify expression gimplification.
2910         (gimplify_self_mod_expr): For post-modify expressions gimplify
2911         the lvalue to a minimal lvalue.
2912         (rhs_predicate_for): Remove formal temp case.
2913         (gimplify_modify_expr_rhs): Likewise.
2914         (gimplify_addr_expr): Use is_gimple_reg.
2915         (gimplify_expr): Remove formal temp cases.
2916         (gimple_regimplify_operands): Likewise.
2917         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2918         and FILTER_EXPR like constants.
2919         * gimple.c (walk_gimple_op): Fix val_only initialization, use
2920         is_gimple_reg.
2921         (is_gimple_formal_tmp_rhs): Remove.
2922         (is_gimple_reg_rhs): Remove special casing.
2923         (is_gimple_mem_rhs): Fix.
2924         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2925         (is_gimple_formal_tmp_var): Remove.
2926         (is_gimple_formal_tmp_reg): Likewise.
2927         (is_gimple_min_lval): Allow invariant component ref parts.
2928         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2929         is_gimple_formal_tmp_reg): Remove declarations.
2930         * tree-cfg.c (verify_expr): Verify that variables with address
2931         taken do not have DECL_GIMPLE_REG_P set.
2932         * tree-mudflap.c (mf_build_check_statement_for): Use
2933         force_gimple_operand instead of gimplify_expr.
2934
2935 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
2936
2937         * modulo-sched.c (sms_schedule_by_order): Pass the actual
2938         schedulable rows to compute_split_row.
2939
2940 2009-03-31  Ben Elliston  <bje@au.ibm.com>
2941
2942         PR target/31635
2943         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2944         OPT_mvrsave.
2945
2946 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2947
2948         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2949         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2950         * configure: Regenerate.
2951         * config.in: Regenerate.
2952         * config/rs6000/rs6000.opt (mtls-markers): Add.
2953         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2954         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2955         (tls_ld_aix, tls_ld_sysv): Likewise.
2956         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2957         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2958
2959 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2960
2961         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2962
2963 2009-03-30  Jan Hubicka  <jh@suse.cz>
2964
2965         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2966         out of RESX.
2967         (tree_remove_unreachable_handlers): Cleanup EH predecestor
2968         detection and label handling.
2969
2970 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2971
2972         * ira-int.h (ira_allocno): Rename left_conflicts_num to
2973         left_conflicts_size.
2974         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2975         ALLOCNO_LEFT_CONFLICTS_SIZE.
2976
2977         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2978         remove_allocno_from_bucket_and_push,
2979         allocno_spill_priority_compare, push_allocnos_to_stack,
2980         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2981         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2982         (setup_allocno_left_conflicts_num): Ditto.  Rename to
2983         setup_allocno_left_conflicts_size.
2984         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2985         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2986         setup_allocno_left_conflicts_size instead of
2987         setup_allocno_left_conflicts_num.
2988
2989         * ira-build.c (ira_create_allocno): Use
2990         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2991         ALLOCNO_LEFT_CONFLICTS_NUM.
2992                 
2993 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2994
2995         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2996         instead of DF_LR_OUT.
2997
2998         * ira-lives.c (process_bb_node_lives): Ditto.
2999
3000         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
3001         instead of DF_LR_{OUT,IN}.
3002
3003         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
3004
3005         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
3006
3007 2009-03-30  Jan Hubicka  <jh@suse.cz>
3008
3009         * except.c (label_to_region_map): Fix thinko.
3010
3011 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
3012
3013         PR middle-end/38237
3014         * tree.h (tree_find_value): New declaration.
3015         * tree.c (tree_find_value): New function.
3016         * varasm.c (assemble_external): Avoid duplicate entries on lists.
3017
3018 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
3019
3020         PR debug/39563
3021         * c-decl.c (struct c_binding): Add locus field.
3022         (bind): Add locus argument, set locus field from it.
3023         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
3024         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
3025         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
3026         implicitly_declare, undeclared_variable, lookup_label,
3027         declare_label, c_make_fname_decl, c_builtin_function,
3028         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
3029         bind callers.
3030
3031 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
3032
3033         PR target/38781
3034         * config/i386/i386.c (classify_argument): Check total size of
3035         structure.
3036
3037 2009-03-30  Martin Jambor  <mjambor@suse.cz>
3038
3039         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
3040         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
3041         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
3042         respectively.
3043
3044         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
3045         seen_variable_array_ref while also traversing a union.
3046
3047         * tree-inline.c (optimize_inline_calls): Do not call
3048         cgraph_node_remove_callees.
3049         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
3050         (pass_remove_cgraph_callee_edges): New variable.
3051         * passes.c (init_optimization_passes): Add
3052         pass_remove_cgraph_callee_edges after early inlining and before all
3053         late intraprocedural passes.
3054
3055         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
3056
3057 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3058
3059         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
3060         Fix typos in names.
3061
3062 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3063
3064         * combine.c (simplify_comparison): Use have_insn_for.
3065         * dojump.c (do_jump): Likewise.
3066
3067 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3068
3069         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
3070         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
3071         sparc_compare_op0 like sparc_compare_emitted used to be handled.
3072         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
3073         instead of sparc_compare_emitted.
3074         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
3075         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
3076         instead of sparc_compare_emitted.
3077
3078 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3079
3080         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
3081         enter/exit cfglayout mode.
3082         (pass_partition_block): Require it.
3083         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
3084         (combine_instructions): Track basic blocks instead of labels.
3085         (update_cfg_for_uncondjump): New.
3086         (try_combine): Use it.  Update jumps after rescanning.
3087         (pass_combine): Require PROP_cfglayout.
3088         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
3089
3090 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3091
3092         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
3093         Provide/destroy PROP_cfglayout respectively.
3094         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
3095         * tree-pass.h (PROP_cfglayout): New.
3096
3097 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3098
3099         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
3100         fold_convert_const_fixed_from_fixed,
3101         fold_convert_const_fixed_from_int,
3102         fold_convert_const_fixed_from_real, fold_negate_const): Do not
3103         set TREE_CONSTANT_OVERFLOW.
3104         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
3105         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
3106
3107 2009-03-30  Ira Rosen  <irar@il.ibm.com>
3108
3109         * tree-vect-loop-manip.c: New file.
3110         * tree-vectorizer.c: Update documentation and included files.
3111         (vect_loop_location): Make extern.
3112         (rename_use_op): Move to tree-vect-loop-manip.c
3113         (rename_variables_in_bb, rename_variables_in_loop, 
3114         slpeel_update_phis_for_duplicate_loop, 
3115         slpeel_update_phi_nodes_for_guard1,
3116         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
3117         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3118         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3119         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
3120         find_loop_location): Likewise.
3121         (new_stmt_vec_info): Move to tree-vect-stmts.c.
3122         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3123         get_vectype_for_scalar_type, vect_is_simple_use,
3124         supportable_widening_operation, supportable_narrowing_operation):
3125         Likewise.
3126         (bb_in_loop_p): Move to tree-vect-loop.c.
3127         (new_loop_vec_info, destroy_loop_vec_info, 
3128         reduction_code_for_scalar_code, report_vect_op, 
3129         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3130         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3131         (vect_supportable_dr_alignment): Likewise.
3132         * tree-vectorizer.h (tree-data-ref.h): Include.
3133         (vect_loop_location): Declare.
3134         Reorganize function declarations according to the new file structure.
3135         * tree-vect-loop.c: New file.
3136         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
3137         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3138         * tree-vect-data-refs.c: New file.
3139         * tree-vect-patterns.c (timevar.h): Don't include.
3140         * tree-vect-stmts.c: New file.
3141         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
3142         tree-vect-slp.c, tree-vect-loop.c.
3143         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
3144         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
3145         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3146         (tree-vect-analyze.o): Remove.
3147         (tree-vect-transform.o): Likewise.
3148         (tree-vect-data-refs.o): Add rule.
3149         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
3150         tree-vect-slp.o): Likewise.
3151         (tree-vect-patterns.o): Remove redundant dependencies.
3152         (tree-vectorizer.o): Likewise.
3153         * tree-vect-slp.c: New file.
3154
3155 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3156
3157         * optc-gen.awk: Warn if an option flag has multiple different
3158         help strings.
3159
3160 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3161
3162         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3163         -floop-block): Document dependences on PPL, CLooG and Graphite.
3164
3165 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3166
3167         PR rtl-optimization/323
3168         * c-common.c (c_fully_fold, convert_and_check,
3169         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3170         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3171         * c-common.def (EXCESS_PRECISION_EXPR): New.
3172         * c-cppbuiltin.c (builtin_define_float_constants): Define
3173         constants with enough digits for long double.
3174         * c-lex.c (interpret_float): Interpret constant with excess
3175         precision where appropriate.
3176         * c-opts.c (c_common_post_options): Set
3177         flag_excess_precision_cmdline.  Give an error for
3178         -fexcess-precision=standard for C++ for processors where the
3179         option is significant.
3180         * c-parser.c (c_parser_conditional_expression): Handle excess
3181         precision in condition.
3182         * c-typeck.c (convert_arguments): Handle arguments with excess
3183         precision.
3184         (build_unary_op): Move excess precision outside operation.
3185         (build_conditional_expr): Likewise.
3186         (build_compound_expr): Likewise.
3187         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3188         (build_modify_expr): Handle excess precision in RHS.
3189         (convert_for_assignment): Handle excess precision in converted
3190         value.
3191         (digest_init, output_init_element, process_init_element): Handle
3192         excess precision in initializer.
3193         (c_finish_return): Handle excess precision in return value.
3194         (build_binary_op): Handle excess precision in operands and add
3195         excess precision as needed for operation.
3196         * common.opt (-fexcess-precision=): New option.
3197         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3198         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3199         For standard excess precision, output explicit conversion to and
3200         truncation from XFmode.
3201         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3202         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3203         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3204         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3205         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3206         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3207         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3208         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3209         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3210         define_splits, sqrt<mode>2): Disable where appropriate for
3211         standard excess precision.
3212         * convert.c (convert_to_real): Do not shorten arithmetic to type
3213         for which excess precision would be used.
3214         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3215         * doc/invoke.texi (-fexcess-precision=): Document option.
3216         (-mfpmath=): Correct index entry.
3217         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3218         flag_excess_precision): New.
3219         * langhooks.c (lhd_post_options): Set
3220         flag_excess_precision_cmdline.
3221         * opts.c (common_handle_option): Handle -fexcess-precision=.
3222         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3223         init_excess_precision): New.
3224         (lang_dependent_init_target): Call init_excess_precision.
3225         * tree.c (excess_precision_type): New.
3226         * tree.h (excess_precision_type): Declare.
3227
3228 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3229
3230         PR c/35235
3231         * c-typeck.c (build_component_ref): Do not copy qualifiers from
3232         non-lvalue to component.
3233
3234 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3235
3236         PR preprocessor/34695
3237         * Makefile.in (c-opts.o): Depend on c-tree.h.
3238         * c-common.c: Move down include of diagnostic.h.
3239         (done_lexing, c_cpp_error): New.
3240         * c-common.h (done_lexing): Declare.
3241         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3242         (parse_in).
3243         * c-opts.c: Include c-tree.h.
3244         (c_common_init_options): Set preprocessor error callback.
3245         (c_common_handle_option): Do not set preprocessor
3246         inhibit_warnings, warnings_are_errors, warn_system_headers,
3247         pedantic_errors or inhibit_warnings flags.
3248         (c_common_post_options): Do not check cpp_errors (parse_in).
3249         (c_common_finish): Do not output dependencies if there were
3250         errors.  Do not check return value of cpp_finish.
3251         * c-ppoutput.c (pp_file_change): Set input_location.
3252         * c-tree.h (c_cpp_error): Declare.
3253         * diagnostic.c (diagnostic_set_info_translated): Also initialize
3254         override_column.
3255         (diagnostic_build_prefix): Check override_column.
3256         * diagnostic.h (diagnostic_info): Add override_column field.
3257         (diagnostic_override_column): Define.
3258
3259 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
3260
3261         * c-common.c (c_expand_expr, c_staticp): Remove.
3262         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3263         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3264         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3265         * c-gimplify.c (gimplify_compound_literal_expr,
3266         optimize_compound_literals_in_ctor): Remove.
3267         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3268         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3269         * c-semantics.c (emit_local_var): Remove.
3270
3271         * langhooks-def.h (lhd_expand_expr): Remove.
3272         * langhooks.c (lhd_expand_expr): Remove.
3273         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3274
3275         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3276         handling from c-semantics.c; don't call into langhook.
3277         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3278         * gimplify.c (gimplify_compound_literal_expr,
3279         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3280         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3281         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3282         as was done in c-gimplify.c.
3283         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3284         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3285         Move from c-common.h.
3286         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3287
3288         * tree.c (staticp): Do not call langhook.
3289         * langhooks.c (lhd_staticp): Delete.
3290         * langhooks-def.h (lhd_staticp): Delete prototype.
3291         (LANG_HOOKS_STATICP): Delete.
3292         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3293
3294         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3295         instead of DECL_STMTs.
3296
3297 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3298
3299         PR c/456
3300         PR c/5675
3301         PR c/19976
3302         PR c/29116
3303         PR c/31871
3304         PR c/35198
3305         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3306         void_type_node.
3307         (fold_call_expr): Return a NOP_EXPR from folding rather than the
3308         contained expression.
3309         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3310         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
3311         conditional expressions for C.
3312         (decl_constant_value_for_optimization): Move from
3313         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
3314         whether optimizing and that the expression is a VAR_DECL not of
3315         array type instead of doing such checks in the caller.  Do not
3316         check pedantic.  Call gcc_unreachable for C++.
3317         * c-common.def (C_MAYBE_CONST_EXPR): New.
3318         * c-common.h (c_fully_fold, c_save_expr,
3319         decl_constant_value_for_optimization): New prototypes.
3320         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3321         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3322         EXPR_INT_CONST_OPERANDS): Define.
3323         * c-convert.c (convert): Strip nops from expression.
3324         * c-decl.c (groktypename): Take extra parameters expr and
3325         expr_const_operands.  Update call to grokdeclarator.
3326         (start_decl): Update call to grokdeclarator.  Add statement for
3327         expressions used in type of decl.
3328         (grokparm): Update call to grokdeclarator.
3329         (push_parm_decl): Update call to grokdeclarator.
3330         (build_compound_literal): Add parameter non_const and build a
3331         C_MAYBE_COSNT_EXPR if applicable.
3332         (grokdeclarator): Take extra parameters expr and
3333         expr_const_operands.  Track expressions used in declaration
3334         specifiers and declarators.  Fold array sizes and track whether
3335         they are constant expressions and whether they are integer
3336         constant expressions.
3337         (parser_xref_tag): Set expr and expr_const_operands fields in
3338         return value.
3339         (grokfield): Update call to grokdeclarator.
3340         (start_function): Update call to grokdeclarator.
3341         (build_null_declspecs): Set expr and expr_const_operands fields in
3342         return value.
3343         (declspecs_add_type): Handle expressions in typeof specifiers.
3344         * c-parser.c (c_parser_declspecs): Set expr and
3345         expr_const_operands fields for declaration specifiers.
3346         (c_parser_enum_specifier): Likewise.
3347         (c_parser_struct_or_union_specifier): Likewise.
3348         (c_parser_typeof_specifier): Likewise.  Update call to
3349         groktypename.  Fold expression as needed.  Return expressions with
3350         type instead of adding statements.
3351         (c_parser_attributes): Update calls to c_parser_expr_list.
3352         (c_parser_statement_after_labels): Fold expression before passing
3353         to objc_build_throw_stmt.
3354         (c_parser_condition): Fold expression.
3355         (c_parser_asm_operands): Fold expression.
3356         (c_parser_conditional_expression): Use c_save_expr.  Update call
3357         to build_conditional_expr.
3358         (c_parser_alignof_expression): Update call to groktypename.
3359         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3360         original_code.  Fold expression argument of va_arg.  Create
3361         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3362         argument to va_arg.  Update calls to groktypename.  Fold array
3363         index for offsetof.  Verify that first argument to
3364         __builtin_choose_expr has integer type.
3365         (c_parser_postfix_expression_after_paren_type): Update calls to
3366         groktypename and build_compound_literal.  Handle expressions with
3367         side effects in type name.
3368         (c_parser_postfix_expression_after_primary): Update call to
3369         c_parser_expr_list.  Set original_code for calls to
3370         __builtin_constant_p.
3371         (c_parser_expr_list): Take extra parameter fold_p.  Fold
3372         expressions if requested.
3373         (c_parser_objc_type_name): Update call to groktypename.
3374         (c_parser_objc_synchronized_statement): Fold expression.
3375         (c_parser_objc_receiver): Fold expression.
3376         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3377         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3378         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3379         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3380         (struct c_typespec): Add elements expr and expr_const_operands.
3381         (struct c_declspecs): Add elements expr and expr_const_operands.
3382         (groktypename, build_conditional_expr, build_compound_literal):
3383         Update prototypes.
3384         (in_late_binary_op): Declare.
3385         * c-typeck.c (note_integer_operands): New function.
3386         (in_late_binary_op): New variable.
3387         (decl_constant_value_for_broken_optimization): Move to c-common.c
3388         and rename to decl_constant_value_for_optimization.
3389         (default_function_array_conversion): Do not strip nops.
3390         (default_conversion): Do not call
3391         decl_constant_value_for_broken_optimization.
3392         (build_array_ref): Do not fold result.
3393         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
3394         result when operand is a VLA.
3395         (c_expr_sizeof_type): Update call to groktypename.  Handle
3396         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
3397         result when operand names a VLA type.
3398         (build_function_call): Update call to build_compound_literal.
3399         Only fold result for calls to __builtin_* functions.  Strip
3400         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
3401         the function designator.
3402         (convert_arguments): Fold arguments.  Update call to
3403         convert_for_assignment.
3404         (build_unary_op): Handle increment and decrement of
3405         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
3406         decrement earlier.  Fold operand of increment and decrement.
3407         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
3408         built for integer operand.  Wrap returns that are INTEGER_CSTs
3409         without being integer constant expressions or that have integer
3410         constant operands without being INTEGER_CSTs.
3411         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3412         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
3413         result is an integer constant expression or can be used in
3414         unevaluated parts of one and avoid folding and wrap as
3415         appropriate.  Fold operands before possibly doing -Wsign-compare
3416         warnings.
3417         (build_compound_expr): Wrap result for C99 if operands can be used
3418         in integer constant expressions.
3419         (build_c_cast): Update call to digest_init.  Do not ignore
3420         overflow from casting floating-point constants to integers.  Wrap
3421         results that could be confused with integer constant expressions,
3422         null pointer constants or floating-point constants.
3423         (c_cast_expr): Update call to groktypename.  Handle expressions
3424         included in type name.
3425         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
3426         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
3427         Update calls to convert_for_assignment.
3428         (convert_for_assignment): Take new parameter
3429         null_pointer_constant.  Do not strip nops or call
3430         decl_constant_value_for_broken_optimization.  Set
3431         in_late_binary_op for conversions to boolean.
3432         (store_init_value): Update call to digest_init.
3433         (digest_init): Take new parameter null_pointer_constant.  Do not
3434         call decl_constant_value_for_broken_optimization.  pedwarn for
3435         initializers not constant expressions.  Update calls to
3436         convert_for_assignment.
3437         (constructor_nonconst): New.
3438         (struct constructor_stack): Add nonconst element.
3439         (really_start_incremental_init, push_init_level, pop_init_level):
3440         Handle constructor_nonconst and nonconst element.
3441         (set_init_index): Call constant_expression_warning for array
3442         designators.
3443         (output_init_element): Fold value.  Set constructor_nonconst as
3444         applicable.  pedwarn for initializers not constant expressions.
3445         Update call to digest_init.  Call constant_expression_warning
3446         where constant initializers are required.
3447         (process_init_element): Use c_save_expr.
3448         (c_finish_goto_ptr): Fold expression.
3449         (c_finish_return): Fold return value.  Update call to
3450         convert_for_assignment.
3451         (c_start_case): Fold switch expression.
3452         (c_process_expr_stmt): Fold expression.
3453         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3454         ensure statement expression is not evaluated in constant expression.
3455         (build_binary_op): Track whether results are integer constant
3456         expressions or may occur in such, disable folding and wrap results
3457         as applicable.  Fold operands for -Wsign-compare warnings unless
3458         in_late_binary_op.
3459         (c_objc_common_truthvalue_conversion): Handle results folded to
3460         integer constants that are not integer constant expressions.
3461         * doc/extend.texi: Document when typeof operands are evaluated,
3462         that condition of __builtin_choose_expr is an integer constant
3463         expression, and more about use of __builtin_constant_p in
3464         initializers.
3465
3466 2009-03-29  Richard Guenther  <rguenther@suse.de>
3467
3468         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3469         propagate addresses of array references.
3470
3471 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3472
3473         * regmove.c (perhaps_ends_bb_p): Remove.
3474         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
3475         from INSN and check that the main loop stays within that basic block.
3476         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3477         (regmove_forward_pass): Split out from regmove_optimize.  Use
3478         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3479         (regmove_backward_pass): Split out from regmove_optimize.  Use
3480         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3481         (regmove_optimize): Simplify.
3482
3483 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3484
3485         PR target/39545
3486         * config/i386/i386.c (classify_argument): Ignore flexible array
3487         member in struct and warn ABI change.
3488
3489 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3490
3491         * config/i386/i386-protos.h (ix86_agi_dependent): New.
3492
3493         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3494         (ix86_adjust_cost): Updated.
3495
3496 2009-03-29  Jan Hubicka  <jh@suse.cz>
3497
3498         PR middle-end/28850
3499         * tree-pass.h (pass_cleanup_eh): New function.
3500         (remove_unreachable_regions): Break code handling RTL
3501         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3502         that can not be reached by runtime.
3503         (can_be_reached_by_runtime): New function.
3504         (label_to_region_map): New function.
3505         (num_eh_regions): New function.
3506         (rtl_remove_unreachable_regions): New function.
3507         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3508         (remove_eh_region): New function.
3509         * except.h: Include sbitmap and vecprim.
3510         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3511         num_eh_regions): Declare.
3512         * passes.c (init_optimization_passes): Schedule cleanup_eh.
3513         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3514         * tree-eh.c (tree_remove_unreachable_handlers): New function.
3515         (tree_empty_eh_handler_p): New function.
3516         (cleanup_empty_eh): New function.
3517         (cleanup_eh): New function.
3518         (pass_cleanup_eh): New function.
3519
3520 2009-03-29  Jan Hubicka  <jh@suse.cz>
3521
3522         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3523         for removed regions.
3524
3525 2009-03-29  Jan Hubicka  <jh@suse.cz>
3526
3527         * except.c (dump_eh_tree): Dump all datastructures.
3528
3529 2009-03-29  Jan Hubicka  <jh@suse.cz>
3530
3531         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3532         (duplicate_eh_regions_1): Likewise.
3533         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3534         vector; call EH verification.
3535         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3536         Be ready for region being removed.
3537
3538 2009-03-29  Jan Hubicka  <jh@suse.cz>
3539
3540         * bitmap.c (bitmap_last_set_bit): New function.
3541         * bitmap.h (bitmap_last_set_bit): Declare.
3542
3543 2009-03-29  David Ayers  <ayers@fsfe.org>
3544
3545         PR objc/27377
3546         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3547         by calling objc_compare_types and surpress warnings about
3548         incompatible C pointers that are compatible ObjC pointers.
3549         
3550 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
3551
3552         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3553         call initialize_inline_failed.
3554         (initialize_inline_failed): Move it from here ...
3555         * cgraph.c (initialize_inline_failed): ... to here.
3556         (cgraph_create_edge): Call initialize_inline_failed rather than
3557         setting inline_failed directly.
3558
3559 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3560
3561         PR target/32542
3562         * sysv4.opt (msdata): Improve comment.
3563         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3564         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3565
3566 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3567
3568         PR target/30451
3569         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3570         load and store attributes.
3571
3572 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3573
3574         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3575         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3576         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3577         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3578         __builtin_infq and __builtin_huge_valq.
3579
3580 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3581
3582         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3583         atmega8m1 devices.
3584         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3585         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3586
3587 2009-03-28  Xinliang David Li  <davidxl@google.com>
3588
3589         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
3590         (do_dbg_cnt): New function.
3591
3592 2009-03-28  Jan Hubicka  <jh@suse.cz>
3593
3594         Merge from pretty-ipa:
3595
3596         2009-03-27  Jan Hubicka  <jh@suse.cz>
3597
3598         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3599         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3600         * passes.c (function_called_by_processed_nodes_p): New.
3601         * ipa-pure-const.c (check_call): Fix handling of operands.
3602         (analyze_function): Dump debug output for skipped bodies.
3603         (local_pure_const): Use function_called_by_processed_nodes_p.
3604         * dwarf2out.c (reference_to_unused): Use output.
3605         * passes.c (do_per_function_toporder): Likewise.
3606
3607         2008-11-12  Jan Hubicka  <jh@suse.cz>
3608
3609         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3610         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3611         state_set_in_source enum
3612         (check_decl): Ignore memory tags; do not set fake looping flags;
3613         dump diagnostics.
3614         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3615         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3616         (check_call, analyze_function): Rewrite.
3617         (check_stmt): New.
3618         (add_new_function): Update call of analyze_function.
3619         (generate_summary): Add call of analyze_function.
3620         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3621         (local_pure_const): New function.
3622         (pass_local_pure_const): New pass.
3623         * ipa-inline.c (inline_transform): Set after_inlining.
3624         * tree-eh.c (stmt_can_throw_external): New.
3625         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3626         work with aliasing built.
3627         * tree-flow.h (stmt_can_throw_external): New.
3628         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3629         and local pure/const pass in early and late optimization queue.
3630
3631 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3632
3633         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3634         allow_func_align.
3635         (fold_binary): Allow function decl aligment consideration is the
3636         second argument is integer constant one.
3637         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3638         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3639         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3640
3641 2009-03-28  Jan Hubicka  <jh@suse.cz>
3642
3643         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3644         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3645         * function.h (rtl_data): Add nothrow flag.
3646         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3647         set DECL_NOTHROW for AVAILABLE functions.
3648
3649 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3650
3651         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3652         following vector keyword has expansion starting with pixel or bool
3653         keyword, expand vector to __vector and pixel or bool to __pixel or
3654         __bool.
3655
3656         PR c++/39554
3657         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3658         warn_if_disallowed_function_p): Removed.
3659         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3660         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3661         warning_if_disallowed_function_p.
3662         * flags.h (warn_if_disallowed_function_p,
3663         warn_disallowed_functions): Removed.
3664         * common.opt (Wdisallowed-function-list=): Removed.
3665         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3666
3667 2009-03-28  Richard Guenther  <rguenther@suse.de>
3668
3669         PR tree-optimization/38723
3670         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3671         the entry block.
3672
3673 2009-03-28  Jan Hubicka  <jh@suse.cz>
3674
3675         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3676         test introduced by my previous patch.
3677
3678 2009-03-28  Richard Guenther  <rguenther@suse.de>
3679
3680         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3681         the PHIs value undefined.
3682
3683 2009-03-28  Jan Hubicka  <jh@suse.cz>
3684
3685         * tree-pass.h (pass_fixup_cfg): New pass.
3686         * ipa-inline.c (inline_transform): Set
3687         always_inline_functions_inlined/after_inlining.
3688         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3689         (pass_fixup_cfg): New pass.
3690         * passes.c (init_optimization_passes): Add fixup_cfg.
3691
3692 2009-03-28  Richard Guenther  <rguenther@suse.de>
3693
3694         PR tree-optimization/38458
3695         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3696         argument use the arguments copy-of value.
3697
3698 2009-03-28  Richard Guenther  <rguenther@suse.de>
3699
3700         PR tree-optimization/38180
3701         * tree-ssa-ccp.c (get_default_value): Simplify.
3702         (likely_value): Likewise.
3703         (surely_varying_stmt_p): Properly handle VOP case.
3704         (ccp_initialize): Likewise.
3705         (ccp_fold): Handle propagating through *&.
3706         (fold_const_aggregate_ref): Also handle decls.
3707
3708 2009-03-28  Jan Hubicka  <jh@suse.cz>
3709
3710         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3711         * cgraph.h (cgraph_node): Likewise.
3712         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3713         (cgraph_reset_node): Use process flag.
3714         (cgraph_mark_functions_to_output): Likewise.
3715         (cgraph_expand_function): Likewise.
3716         (cgraph_expand_all_functions): Likewise.
3717         (cgraph_output_in_order): Likewise.
3718         * dwarf2out.c (reference_to_unused): Likewise.
3719         * passes.c do_per_function_toporder): Likewise.
3720
3721 2009-03-28  Jan Hubicka  <jh@suse.cz>
3722
3723         Bring from lto-branch:
3724
3725         2008-09-03  Doug Kwan  <dougkwan@google.com>
3726
3727         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3728         enums instead of reason strings.
3729         * cgraph.c (cgraph_create_edge): Same.
3730         (cgraph_inline_failed_string): New function.
3731         * cgraph.h (cgraph_inline_failed_t): New enum type.
3732         (cgraph_inline_failed_string): New prototype.
3733         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3734         char pointer to cgraph_inline_failed_t.
3735         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3736         (cgraph_default_inline_p): Ditto.
3737         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3738         to cgraph_inline_failed_t pointer.
3739         * cif-code.def: New file.
3740         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3741         reason string.
3742         (cgraph_check_inline_limits): Change type of REASON to pointer to
3743         cgraph_inline_failed_t.  Replace reason strings with enums.
3744         (cgraph_default_inline_p): Ditto.
3745         (cgraph_recursive_inlining_p): Ditto.
3746         (update_caller_keys): Change type of FAILED_REASON to
3747         cgraph_inline_failed_t.
3748         (cgraph_set_inline_failed): Change type of REASON to pointer to
3749         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3750         convert enums to strings for text output.
3751         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3752         to be of type cgraph_inline_failed_t.  Replace reason strings with
3753         enums.  Call cgraph_inline_failed_string to covert enums
3754         to strings for text output.
3755         (cgraph_decide_inlining): Replace reason strings with enums.
3756         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3757         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3758         for text output.
3759         * tree-inline.c (expand_call_inline): Change type of REASON
3760         to cgraph_inline_failed_t.  Replace reason strings with enums.
3761         Call cgraph_inline_failed_string for text output.
3762         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3763         (cgraph.o): Ditto.
3764
3765 2009-03-28  Jan Hubicka  <jh@suse.cz>
3766
3767         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3768         cgraph_clone_node): Remove master clone handling.
3769         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3770         * cgraph.h (master_clone): Remove.
3771         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3772         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3773         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3774
3775 2009-03-28  Jan Hubicka  <jh@suse.cz>
3776
3777         * cgraph.c (cgraph_function_body_availability): Functions declared
3778         inline are always safe to assume that it is not going to be replaced.
3779
3780 2009-03-28  Richard Guenther  <rguenther@suse.de>
3781
3782         PR tree-optimization/38513
3783         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3784         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3785         EXC_PTR_EXPR and FILTER_EXPR.
3786         (get_ref_from_reference_ops): Likewise.
3787
3788 2009-03-28  Richard Guenther  <rguenther@suse.de>
3789
3790         PR tree-optimization/38968
3791         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3792         Use FLOOR_MOD_EXPR to compute misalignment.
3793
3794 2009-03-28  Richard Guenther  <rguenther@suse.de>
3795
3796         PR tree-optimization/37795
3797         * tree.h (combine_comparisons): Declare.
3798         * fold-const.c (combine_comparisons): Export.
3799         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3800         comparisons.
3801         (ifcombine_iforif): Use combine_comparisons.
3802
3803 2009-03-28  Jan Hubicka  <jh@suse.cz>
3804
3805         * tree-eh.c (inlinable_call_p): New function.
3806         (make_eh_edges): Use it.
3807         (verify_eh_edges): Use it.
3808         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3809         * except.c (reachable_next_level): Add inlinable_function argument
3810         (sjlj_find_directly_reachable_regions): Update.
3811         (add_reachable_handler): Do not set saw_any_handlers.
3812         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3813         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3814         Add new inlinable call parameter.
3815         (can_throw_internal, can_throw_external): Update.
3816         * except.h (can_throw_internal_1, can_throw_external_1,
3817         foreach_reachable_handler): Update declaration.
3818
3819 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3820
3821         * config/arm/t-arm-coff, config/h8300/coff.h,
3822         config/i386/i386-aout.h, config/i386/i386-coff.h,
3823         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3824         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3825         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3826         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3827         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3828         sys-types.h: Remove.
3829         * Makefile.in: Remove protoize and fixproto support and references
3830         in comments.
3831         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3832         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3833         Remove.
3834         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3835         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3836         unprotoize$(exeext).
3837         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3838         (.PHONY): Don't depend on proto.
3839         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3840         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3841         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3842         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3843         build/gen-protos.o, build/scan.o, xsys-protos.h,
3844         build/fix-header$(build_exeext), build/fix-header.o,
3845         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3846         stmp-install-fixproto): Remove.
3847         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3848         SYSCALLS.c or fixproto files.
3849         (install-common): Don't install protoize.
3850         (install-headers-tar, install-headers-cpio, install-headers-cp):
3851         Don't depend on $(STMP_FIXPROTO).
3852         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
3853         install fixproto files or write out fixproto settings.
3854         (uninstall): Don't uninstall protoize.
3855         * config.gcc (use_fixproto): Remove.
3856         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3857         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3858         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3859         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3860         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3861         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3862         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3863         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3864         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3865         * config/t-vxworks (STMP_FIXPROTO): Remove.
3866         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3867         STMP_FIXPROTO): Remove.
3868         * config.in, configure: Regenerate.
3869         * crtstuff.c (gid_t, uid_t): Don't undefine.
3870         * doc/install.texi: Change m68k-coff to m68k-elf in example.
3871         (arm-*-coff, arm-*-aout: Remove target entries.
3872         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3873         Remove mention of AIX 4.1.
3874         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3875         * doc/invoke.texi (Running Protoize): Remove.
3876         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3877         (Protoize Caveats): Remove.
3878         * tsystem.h: Update comments on headers assumed to exist.
3879
3880 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
3881
3882         * genautomata.c: Add a new year to the copyright.  Add a new
3883         reference.
3884         (struct insn_reserv_decl): Add comments for member bypass_list.
3885         (find_bypass): Remove.
3886         (insert_bypass): New.
3887         (process_decls): Use insert_bypass.
3888         (output_internal_insn_latency_func): Output all bypasses with the
3889         same input insn in one switch case.
3890
3891         * rtl.def (define_bypass): Describe bypass choice.
3892         * doc/md.texi (define_bypass): Ditto.
3893
3894 2009-03-27  Richard Guenther  <rguenther@suse.de>
3895
3896         * gimplify.c (mark_addressable): Export.
3897         * tree-flow.h (mark_addressable): Declare.
3898         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3899         * tree-ssa.c (verify_phi_args): Verify that address taken
3900         variables have TREE_ADDRESSABLE set.
3901
3902 2009-03-27  Richard Guenther  <rguenther@suse.de>
3903
3904         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3905         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
3906         Do not mark decls TREE_ADDRESSABLE.
3907         (build_fold_addr_expr): Adjust.
3908         (fold_addr_expr): Remove.
3909         (fold_unary): Use build_fold_addr_expr.
3910         (fold_comparison): Likewise.
3911         (split_address_to_core_and_offset): Likewise.
3912         * coverage.c (tree_coverage_counter_addr): Mark the array decl
3913         TREE_ADDRESSABLE.
3914         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3915         (gimplify_modify_expr_to_memcpy): Mark source and destination
3916         addressable.
3917         * omp-low.c (create_omp_child_function): Mark the object decl
3918         TREE_ADDRESSABLE.
3919         (lower_rec_input_clauses): Mark the var we take the address of
3920         TREE_ADDRESSABLE.
3921         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3922
3923 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3924
3925         PR middle-end/39315
3926         * cfgexpand.c (expand_one_stack_var_at): Change alignment
3927         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3928
3929 2009-03-27  Richard Guenther  <rguenther@suse.de>
3930
3931         PR tree-optimization/39120
3932         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3933         constraints.
3934         (handle_lhs_call): Process return constraints.  Add escape
3935         constraints if necessary.
3936         (handle_const_call): Fill out return constraints.  Make nested
3937         case more precise.  Avoid consttmp if possible.