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1 2009-04-17  Richard Guenther  <rguenther@suse.de>
2
3         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4         for decl-vs-decl disambiguation.
5
6 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7
8         * config/s390/s390.h (s390_tune_attr): New macro definition.
9         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
10
11 2009-04-17  Richard Guenther  <rguenther@suse.de>
12
13         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
14         (fold_stmt_r): Likewise.
15         (maybe_fold_reference): New function.
16         (fold_gimple_assign): Handle cases fold_stmt_r did.
17         (fold_stmt): Do not use fold_stmt_r.
18         (fold_stmt_inplace): Likewise.
19
20 2009-04-17  Richard Guenther  <rguenther@suse.de>
21
22         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
23         (record_equivalences_from_stmt): Remove useless checks and
24         simplifications.
25         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
26         the type is already suitable.
27
28 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
29
30         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
31
32 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
33
34         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
35         (CMPtype): Define as __gcc_CMPtype.
36
37 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
38
39         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
40         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
41
42 2009-04-17  Richard Guenther  <rguenther@suse.de>
43
44         PR tree-optimization/39746
45         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
46         special-casing for builtins and static variable use/def.
47         (call_may_clobber_ref_p_1): Likewise.
48
49 2009-04-16  Ian Lance Taylor  <iant@google.com>
50
51         * df.h: Include "timevar.h".
52         (struct df_problem): Change tv_id field to timevar_id_t.
53         * tree-pass.h: Include "timevar.h".
54         (struct opt_pass): Change tv_id field to timevar_id_t.
55         * timevar.h (timevar_id_t): Define TV_NONE.
56         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
57         TV_NONE rather than tv_id != 0.
58         (execute_one_pass): Likewise.
59         * Makefile.in (DF_H): Add $(TIMEVAR_H).
60         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
61         dependencies to $(TREE_PASS_H).
62         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
63         to TV_NONE.
64         (pass_branch_target_load_optimize2): Likewise.
65         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
66         (pass_outof_cfg_layout_mode): Likewise.
67         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
68         (pass_rebuild_cgraph_edges): Likewise.
69         (pass_remove_cgraph_callee_edges): Likewise.
70         * df-core.c (pass_df_initialize_opt): Likewise.
71         (pass_df_initialize_no_opt): Likewise.
72         (pass_df_finish): Likewise.
73         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
74         * except.c (pass_set_nothrow_function_flags): Likewise.
75         (pass_convert_to_eh_region_ranges): Likewise.
76         * final.c (pass_compute_alignments): Likewise.
77         * function.c (pass_instantiate_virtual_regs): Likewise.
78         (pass_init_function): Likewise.
79         (pass_leaf_regs): Likewise.
80         (pass_match_asm_constraints): Likewise.
81         * gimple-low.c (pass_lower_cf): Likewise.
82         (pass_mark_used_blocks): Likewise.
83         * init-regs.c (pass_initialize_regs): Likewise.
84         * integrate.c (pass_initial_value_sets): Likewise.
85         * ira.c (pass_ira): Likewise.
86         * jump.c (pass_cleanup_barriers): Likewise.
87         * omp-low.c (pass_expand_omp): Likewise.
88         (pass_lower_omp): Likewise.
89         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
90         * recog.c (pass_split_all_insns): Likewise.
91         (pass_split_after_reload): Likewise.
92         (pass_split_before_regstack): Likewise.
93         (pass_split_before_sched2): Likewise.
94         (pass_split_for_shorten_branches): Likewise.
95         * reginfo.c (pass_reginfo_init): Likewise.
96         (pass_subregs_of_mode_init): Likewise.
97         (pass_subregs_of_mode_finish): Likewise.
98         * passes.c (pass_postreload): Likewise.
99         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
100         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
101         (pass_warn_function_return): Likewise.
102         (pass_warn_function_noreturn): Likewise.
103         * tree-complex.c (pass_lower_complex): Likewise.
104         (pass_lower_complex_O0): Likewise.
105         * tree-if-conv.c (pass_if_conversion): Likewise.
106         * tree-into-ssa.c (pass_build_ssa): Likewise.
107         * tree-mudflap.c (pass_mudflap_1): Likewise.
108         (pass_mudflap_2): Likewise.
109         * tree-nomudflap.c (pass_mudflap_1): Likewise.
110         (pass_mudflap_2): Likewise.
111         * tree-nrv.c (pass_return_slot): Likewise.
112         * tree-object-size.c (pass_object_sizes): Likewise.
113         * tree-optimize.c (pass_all_optimizations): Likewise.
114         (pass_early_local_passes): Likewise.
115         (pass_all_early_optimizations): Likewise.
116         (pass_cleanup_cfg): Likewise.
117         (pass_cleanup_cfg_post_optimizing): Likewise.
118         (pass_free_datastructures): Likewise.
119         (pass_free_cfg_annotations): Likewise.
120         (pass_fixup_cfg): Likewise.
121         (pass_init_datastructures): Likewise.
122         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
123         (pass_late_warn_uninitialized): Likewise.
124         (pass_update_address_taken): Likewise.
125         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
126         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
127         (pass_cse_sincos): Likewise.
128         (pass_convert_to_rsqrt): Likewise.
129         * tree-ssa-structalias.c (pass_build_alias): Likewise.
130         * tree-stdarg.c (pass_stdarg): Likewise.
131         * tree-tailcall.c (pass_tail_recursion): Likewise.
132         (pass_tail_calls): Likewise.
133         * tree-vect-generic.c (pass_lower_vector): Likewise.
134         (pass_lower_vector_ssa): Likewise.
135         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
136
137 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
138
139         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
140         XLR entry.
141         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
142         Handle -march=xlr.
143         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
144         logical and signext.
145
146 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
147
148         PR target/39767
149         * config/sh/predicates.md (arith_operand): Check if the operand
150         of TRUNCATE is a REG.
151
152 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
153
154         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
155         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
156
157 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
158
159         * tree-iterator.c (tsi_split_statement_list_after,
160         tsi_split_statement_list_before): Remove.
161         * tree-iterator.h: Remove the prototypes for
162         tsi_split_statement_list_after and tsi_split_statement_list_before.
163
164 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
165
166         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
167         * tree-ssa-propagate.h: Remove the prototype for
168         stmt_makes_single_load.
169
170 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
171
172         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
173         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
174
175 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
176
177         * tree-iterator.c (EXPR_LAST_BODY): Remove.
178
179 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
180
181         * except.c (eh_region_outer_p): Remove.
182         * except.h: Remove the prototype for eh_region_outer_p.
183
184 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
185
186         * function.c (current_function_assembler_name): Remove.
187         * function.h: Remove the prototype for
188         current_function_assembler_name.
189
190 2009-04-16  Ian Lance Taylor  <iant@google.com>
191
192         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
193         (add_reg_note): Call alloc_reg_note.
194         * rtl.h (alloc_reg_note): Declare.
195         * combine.c (try_combine): Use alloc_reg_note.
196         (recog_for_combine, move_deaths): Likewise.
197         (distribute_notes): Use alloc_reg_note and add_reg_note.
198         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
199         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
200         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
201
202 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
203
204         PR rtl-optimization/39762
205         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
206         ira_may_move_out_cost): Add comments about way of their usage.
207         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
208         
209         * ira-conflicts.c (process_regs_for_copy): Use function
210         ira_get_register_move_cost instead of global
211         ira_register_move_cost.
212
213         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
214         color_pass, move_spill_restore, update_curr_costs): Ditto.
215
216         * ira-lives.c (process_single_reg_class_operands): Ditto.
217
218         * ira-emit.c (emit_move_list): Ditto.
219
220         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
221         (record_reg_classes): Ditto.  Use functions
222         ira_get_register_move_cost and ira_get_may_move_cost instead of
223         global vars ira_register_move_cost, ira_may_move_out_cost and
224         ira_may_move_in_cost.
225         (record_address_regs): Don't call ira_init_register_move_cost.
226         Use function ira_get_may_move_cost instead of global
227         ira_may_move_in_cost.
228         (process_bb_node_for_hard_reg_moves): Use function
229         ira_get_register_move_cost instead of global ira_register_move_cost.
230         (ira_costs): Don't call ira_init_register_move_cost.
231         
232 2009-04-16  Richard Guenther  <rguenther@suse.de>
233
234         * tree-cfg.c (verify_gimple_assign_binary):
235         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
236         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
237         (create_general_new_stmt): Note that this function is broken.
238
239 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
240
241         * common.opt (fhelp): Add Var(help_flag).
242         * gcc-plugin.h (plugin_info): Add help.
243         * plugin.c (plugin_name_args): Add help.
244         (register_plugin_info): Set plugin->help.
245         (print_help_one_plugin): New.
246         (print_plugins_help): New.
247         * plugin.h (print_plugins_help): New.
248         * toplev.c (toplev_main): Call print_plugins_help if needed.
249
250 2009-04-16  Richard Guenther  <rguenther@suse.de>
251
252         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
253         (gimple_ior_addresses_taken_1): New function.
254         (gimple_ior_addresses_taken): Likewise.
255         * gimple.h (struct gimple_statement_with_ops_base): Remove
256         addresses_taken member.
257         (gimple_ior_addresses_taken): Declare.
258         (gimple_addresses_taken, gimple_addresses_taken_ptr,
259         gimple_set_addresses_taken): Remove.
260         * ipa-reference.c (mark_address): New function.
261         (scan_stmt_for_static_refs): Use it for marking addresses taken.
262         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
263         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
264         (gimple_add_to_addresses_taken): Remove.
265         (get_tmr_operands): Call mark_address_taken.
266         (get_asm_expr_operands): Likewise.
267         (get_expr_operands): Likewise.
268         (build_ssa_operands): Do not clear the addresses_taken bitmap.
269         (free_stmt_operands): Do not free it.
270         * tree-ssa.c (delete_tree_ssa): Likewise.
271         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
272
273 2009-04-16  Richard Guenther  <rguenther@suse.de>
274
275         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
276         (walk_stmt_load_store_ops): Likewise.
277         * gimple.c (get_base_loadstore): New function.
278         (walk_stmt_load_store_addr_ops): Likewise.
279         (walk_stmt_load_store_ops): Likewise.
280         * ipa-pure-const.c (check_op): Simplify.
281         (check_load, check_store): New functions.
282         (check_stmt): Use walk_stmt_load_store_ops.
283         * ipa-reference.c (mark_load): Adjust signature.
284         (mark_store): Likewise.
285         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
286
287 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
288
289         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
290         (plugin_info): New.
291         * opts.c (common_handle_option): Don't call print_version.
292         * plugin.c (plugin_name_args): Add version.
293         (register_plugin_info): New.
294         (register_callback): Handle PLUGIN_INFO.
295         (try_init_one_plugin): New.
296         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
297         if failed to init.
298         (finalize_one_plugin): New.
299         (finalize_plugins): New.
300         (print_one_plugin): New.
301         (print_plugins_versions): New.
302         * plugin.h (print_plugins_versions): New.
303         (finalize_plugins): New.
304         * toplev.c (compile_file): Don't call initialize_plugins.
305         (print_version): Call print_plugins_versions.
306         (toplev_main): Call initialize_plugins. Print version if needed.
307         Call finalize_plugins.
308
309 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
310
311         * common.opt (fversion): New.
312         * gcc.c (print_version): New.
313         (process_command): Don't print the version. Just set print_version.
314         (main): Print version. Call subprocesses if print_version and
315         verbose_flag are set.
316         * opts.c (common_handle_option): Handle OPT_fversion.
317
318 2009-04-16  Richard Guenther  <rguenther@suse.de>
319             Ira Rosen  <irar@il.ibm.com>
320
321         PR tree-optimization/39698
322         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
323         type of the reduction variable.  Only generate the def if
324         it is needed.
325
326         * omp-low.c (expand_omp_for_generic): When converting to a pointer
327         make sure to first convert to an integer of the same precision.
328         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
329         the type of the evolution correctly in computing the new
330         induction variable base.
331
332 2009-04-16  Richard Guenther  <rguenther@suse.de>
333
334         PR middle-end/39625
335         * tree-cfg.c (make_blocks): Split statements with to-be
336         abnormal SSA names on the lhs.
337
338 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
339
340         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
341         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
342         * c-typeck.c (really_start_incremental_init): Likewise.
343         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
344         (TARGET_INITIALIZER): Remove it.
345         * target.h (struct target): Remove vector_opaque_p.
346         * tree.c (build_opaque_vector_type): New.
347         * tree.h (TYPE_VECTOR_OPAQUE): New.
348         (build_opaque_vector_type): Declare.
349         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
350         * config/rs6000/rs6000.c (build_opaque_vector_type,
351         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
352         (rs6000_init_builtins): Use build_opaque_vector_type for
353         opaque_V4SI_type_node.
354
355 2009-04-15  Catherine Moore  <clm@codesourcery.com>
356
357         * debug.h (set_name):  Declare.
358         * dwarf2out.c (dwarf2out_set_name): Declare.
359         (dwarf2_debug_hooks): Add set_name.
360         (find_AT_string): New.
361         (add_AT_string): Call find_AT_string.
362         (dwarf2out_set_name): New.
363         * cp/decl.c (grokdeclarator): Call set_name.
364         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
365         * debug.c (do_nothing_debug_hooks):  Likewise.
366         * dbxout.c (dbx_debug_hooks): Likewise.
367         * sdbout.c (sdb_debug_hooks): Likewise.
368
369 2009-04-15  Michael Eager <eager@eagercon.com>
370
371         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
372         reg for single-precision FPU.
373         * config/rs6000/rs6000.md (movsi_internal1): Only for
374         !TARGET_SINGLE_FPU.
375         (movsi_internal1_single): New. Add pattern to move SI values to/from
376         single-precision FP regs.
377
378 2009-04-15  Richard Guenther  <rguenther@suse.de>
379
380         * omp-low.c (lower_rec_input_clauses): Build correct address
381         expressions.
382         (expand_omp_for_generic): Fix multiplication type.
383         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
384         (generate_memset_zero): Fix types.
385         * tree-profile.c (prepare_instrumented_value): Correctly
386         widen a pointer.
387
388 2009-04-15  Ian Lance Taylor  <iant@google.com>
389
390         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
391         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
392         for -Wall and for -Wc++-compat.
393         (c_common_post_options): For C++, set warn_enum_compare if not
394         already set.
395         * c-tree.h (struct c_expr): Add field original_type.
396         (build_external_ref): Update declaration.
397         * c-parser.c (c_parser_braced_init): Set original_type.
398         (c_parser_initelt): Likewise.
399         (c_parser_expr_no_commas): Likewise.
400         (c_parser_conditional_expression): Likewise.
401         (c_parser_cast_expression): Likewise.
402         (c_parser_unary_expression): Likewise.  Pull setting of
403         original_code to top of function.
404         (c_parser_sizeof_expression): Set original_type.
405         (c_parser_alignof_expression): Likewise.
406         (c_parser_postfix_expression): Likewise.  Pull setting of
407         original_code to top of function.
408         (c_parser_postfix_expression_after_paren_type): Set original_type.
409         (c_parser_postfix_expression_after_primary): Likewise.
410         (c_parser_expression): Likewise.
411         * c-typeck.c (build_external_ref): Add type parameter.  Change all
412         callers.
413         (c_expr_sizeof_expr): Set original_type field.
414         (parser_build_unary_op): Likewise.
415         (parser_build_binary_op): Likewise.  Optionally warn about
416         comparisons of enums of different types.
417         (digest_init): Set original_type field.
418         (really_start_incremental_init): Likewise.
419         (push_init_level, pop_init_level): Likewise.
420         * doc/invoke.texi (Warning Options): -Wenum-compare now
421         supported in C.
422
423 2009-04-15  Richard Guenther  <rguenther@suse.de>
424
425         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
426         out a necessary conversion.
427         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
428         names we didn't value number.
429         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
430
431 2009-04-15  Richard Guenther  <rguenther@suse.de>
432
433         PR tree-optimization/39764
434         * tree-ssa-ccp.c (get_value): Canonicalize value with
435         canonicalize_float_value.
436
437 2009-04-15  Jan Hubicka  <jh@suse.cz>
438
439         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
440         Wrong version of patch.
441
442 2009-04-15  Jan Hubicka  <jh@suse.cz>
443
444         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
445
446 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
447
448         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
449         our distinct integral and vector types.
450
451 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
452
453         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
454         * init.c (build_vtbl_address): Remove call to assemble_external.
455
456 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
457
458         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
459         output for other floating point modes.
460
461 2009-04-14  Diego Novillo  <dnovillo@google.com>
462
463         * diagnostic.c (diagnostic_report_diagnostic): Do not
464         warn about loaded plugins for DK_ERROR and DK_WARNING.
465         * c-decl.c (declspecs_add_type): Move call to
466         invoke_plugin_callbacks ...
467         * c-parser.c (c_parser_declspecs): ... here.
468         * plugin.c (dump_active_plugins): Tidy output.
469
470 2009-04-14  Diego Novillo  <dnovillo@google.com>
471             Le-Chun Wu  <lcwu@google.com>
472
473         * configure.ac: Add --enable-plugin support.
474         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
475         * Makefile.in (PLUGIN_H): Define.
476         Export ENABLE_PLUGIN and GMPINC to site.exp.
477         Add PLUGINLIBS to link command.
478         Add/modify dependencies for plugin.o and files including plugin.h.
479         (plugin.o): New.
480         * config.in: Regenerate.
481         
482         * opts.c (common_handle_option): Handle OPT_fplugin_ and
483         OPT_fplugin_arg_.
484
485 2009-04-14  Le-Chun Wu  <lcwu@google.com>
486
487         * tree-pass.h (register_one_dump_file): Add a prototype for
488         register_one_dump_file.
489         * toplev.c (compile_file): Call initialize_plugins.
490         (do_compile): Call invoke_plugin_callbacks.
491         (toplev_main): Call invoke_plugin_callbacks.
492         * common.opt: Add -fplugin= and -fplugin-arg-.
493         * gcc-plugin.h: New public header file for plugins to include.
494         * plugin.c: New source file.
495         * plugin.h: New internal header file.
496         * passes.c (register_one_dump_file): Make it external.
497         
498         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
499
500 2009-04-14  Diego Novillo  <dnovillo@google.com>
501
502         * doc/plugins.texi: New.
503         * doc/gccint.texi: Add reference to Plugins chapter.
504         * doc/invoke.texi: Document -fplugin and -fplugin-arg
505         * diagnostic.c (diagnostic_report_diagnostic): Warn about
506         loaded plugins, if any.
507         * timevar.def (TV_PLUGIN_INIT): Define.
508         (TV_PLUGIN_RUN): Define.
509         * plugin.c: Include timevar.h
510         (plugins_active_p): New.
511         (dump_active_plugins): New.
512         (debug_active_plugins): New.
513
514 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
515
516         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
517         library paths.
518         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
519
520 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
521
522         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
523         the same as a minus without a shift.
524
525 2009-04-14  Nick Clifton  <nickc@redhat.com>
526
527         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
528         comparisons with small integers will always produce a short
529         branch.
530
531 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
532
533         Merge:
534         2008-12-19  Diego Novillo  <dnovillo@google.com>
535
536         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
537
538 2000-04-14  Richard Guenther  <rguenther@suse.de>
539
540         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
541         verification.
542         (verify_gimple_assign_binary): Likewise.  Handle shifts and
543         rotates correctly.
544         (verify_gimple_phi): Print the mismatched argument position.
545         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
546         Fix types.
547         (vect_update_init_of_dr): Likewise.
548         * matrix-reorg.c (transform_access_sites): Do what the
549         comment suggests.
550         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
551
552 2009-04-13  Michael Eager <eager@eagercon.com>
553
554         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
555         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
556         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
557         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
558         remove duplicate config
559
560 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
561
562         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
563         file_name:line_number type locator of the call site.
564         
565 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
566
567         * genautomata.c: Put blank after comma.
568         (automaton_decls): New.
569         (struct unit_usage): Add comments to member next.
570         (store_alt_unit_usage): Keep the list ordered.
571         (unit_present_on_list_p, equal_alternatives_p): New.
572         (check_regexp_units_distribution): Check units distribution
573         correctness correctly.
574         (main): Don't write automata if error is found.  Return correct
575         exit code.
576         
577         * config/m68k/cf.md (cfv4_ds): Remove.
578         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
579         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
580
581         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
582         power4-load-ext, power4-store, power4-store-update,
583         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
584         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
585         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
586         power4-sqrt, power4-isync): Modify reservation to make correct
587         unit distribution to automata.
588
589         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
590         power5-store-update, power5-two, power5-three, power5-lmul,
591         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
592         
593 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
594
595         * except.c (pass_set_nothrow_function_flags): Set name and add
596         TODO_dump_func.
597         (set_nothrow_function_flags): Mention in the dump file when
598         changing a function to nothrow.
599
600 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
601
602         PR/39066
603         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
604         instead of unsigned long.
605
606 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
607
608         * config/arm/arm.c (return_used_this_function): Remove.
609         (arm_output_function_prologue): Remove use of
610         return_used_this_function.
611         (output_return_instruction): Replace use of
612         return_used_this_function
613         by cfun->machine->return_used_this_function.
614         (arm_output_epilogue): Likewise.
615         (arm_output_function_epilogue): Likewise.
616         (thumb_unexpanded_epilogue): Likewise.
617         * config/arm/arm.h (struct machine_function):
618         New member return_used_this_function.
619
620 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
621
622         * doc/install.texi: Correct description of default directory for
623         --with-gxx-include-dir.
624
625 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
626
627         * fold-const.c (build_range_check): Properly deal with enumeral and
628         boolean base types.
629
630 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
631
632         * doc/invoke.texi (max_gcse_passes): Remove documentation.
633         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
634         * params.h (MAX_GCSE_PASSES): Remove.
635         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
636         in sequence.  Remove ability to run multiple passes.
637         (bypass_jumps): Report run as third CPROP pass.
638
639 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
640
641         PR middle-end/39651
642         * except.c (can_throw_external): Look at each insn in a SEQUENCE
643         when deciding whether the whole SEQUENCE can throw.
644
645 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
646
647         PR target/39740
648         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
649         offseted label references.
650
651 2009-04-11  Jan Hubicka  <jh@suse.cz>
652
653         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
654
655 2009-04-11  Richard Guenther  <rguenther@suse.de>
656
657         PR middle-end/39732
658         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
659         return variables as TREE_ADDRESSABLE.
660
661 2009-04-11  Richard Guenther  <rguenther@suse.de>
662
663         PR tree-optimization/39713
664         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
665         reference trees have SSA_NAME operands.
666
667 2009-04-11  Richard Guenther  <rguenther@suse.de>
668
669         PR c/39712
670         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
671         address expressions.
672
673 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
674
675         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
676         match changes in Cygwin 1.7
677         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
678         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
679
680 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
681
682         PR tree-optimization/39701
683         * doc/invoke.texi (Optimization Options): Document change in
684         meaning and initialization of -fdelete-null-pointer-checks.
685
686 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
687
688         PR middle-end/39701
689         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
690
691         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
692         here.
693
694         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
695
696 2009-04-10  Chao-ying Fu  <fu@mips.com>
697
698         * doc/tm.texi (Instruction Output): Document
699         TARGET_ASM_FINAL_POSTSCAN_INSN.
700         * target.h (final_postscan_insn): New field in asm_out.
701         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
702         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
703         * final.c (final_scan_insn): Call
704         targetm.asm_out.final_postscan_insn after outputting
705         an asm macro and a normal instruction.
706
707         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
708         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
709         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
710         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
711         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
712
713 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
714
715         PR middle-end/39701
716         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
717         variables as non-NULL even with -fdelete-null-pointer-checks.
718
719 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
720
721         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
722
723 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
724
725         PR target/39678
726         * config/i386/i386.c (classify_argument): Handle SCmode with
727         (bit_offset % 64) != 0.
728
729 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
730
731         * doc/invoke.texi (Optimize Options): Add cross-reference to
732         -Q --help=optimizers examples.
733
734 2009-04-10  Ben Elliston  <bje@au.ibm.com>
735
736         PR target/36800
737         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
738         regalign for the reg == fpr and TDmode case.
739
740 2009-04-09  David Ayers  <ayers@fsfe.org>
741
742         PR objc/29200
743         * objc/objc-act.c (warn_with_method): Remove helper function.
744         (check_duplicates): Call warning and inform directly.
745         (really_start_method): Likewise.
746
747 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
748
749         * expmed.c (expand_divmod): Always use a comparison for a division
750         by a large unsigned integer.
751
752         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
753         for things others than variables or functions as nonzero.
754
755 2009-04-09  Nick Clifton  <nickc@redhat.com>
756
757         * unwind-compat.c: Change copyright header to refer to version
758         3 of the GNU General Public License with version 3.1 of the
759         GCC Runtime Library Exception and to point readers at the
760         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
761         * config/alpha/crtfastmath.c: Likewise.
762         * config/alpha/linux-unwind.h: Likewise.
763         * config/alpha/qrnnd.asm: Likewise.
764         * config/alpha/vms-crt0-64.c: Likewise.
765         * config/alpha/vms-crt0.c: Likewise.
766         * config/alpha/vms-dwarf2.asm: Likewise.
767         * config/alpha/vms-dwarf2eh.asm: Likewise.
768         * config/alpha/vms-psxcrt0-64.c: Likewise.
769         * config/alpha/vms-psxcrt0.c: Likewise.
770         * config/alpha/vms_tramp.asm: Likewise.
771         * config/arc/initfini.c: Likewise.
772         * config/arc/lib1funcs.asm: Likewise.
773         * config/arm/bpabi-v6m.S: Likewise.
774         * config/arm/bpabi.S: Likewise.
775         * config/arm/bpabi.c: Likewise.
776         * config/arm/crti.asm: Likewise.
777         * config/arm/crtn.asm: Likewise.
778         * config/arm/ieee754-df.S: Likewise.
779         * config/arm/ieee754-sf.S: Likewise.
780         * config/arm/lib1funcs.asm: Likewise.
781         * config/arm/libunwind.S: Likewise.
782         * config/arm/linux-atomic.c: Likewise.
783         * config/arm/mmintrin.h: Likewise.
784         * config/arm/pr-support.c: Likewise.
785         * config/arm/unaligned-funcs.c: Likewise.
786         * config/arm/unwind-arm.c: Likewise.
787         * config/arm/unwind-arm.h: Likewise.
788         * config/avr/libgcc.S: Likewise.
789         * config/bfin/crti.s: Likewise.
790         * config/bfin/crtlibid.s: Likewise.
791         * config/bfin/crtn.s: Likewise.
792         * config/bfin/lib1funcs.asm: Likewise.
793         * config/bfin/linux-unwind.h: Likewise.
794         * config/cris/arit.c: Likewise.
795         * config/cris/cris_abi_symbol.c: Likewise.
796         * config/darwin-64.c: Likewise.
797         * config/darwin-crt2.c: Likewise.
798         * config/darwin-crt3.c: Likewise.
799         * config/darwin.h: Likewise.
800         * config/dbxelf.h: Likewise.
801         * config/dfp-bit.c: Likewise.
802         * config/dfp-bit.h: Likewise.
803         * config/elfos.h: Likewise.
804         * config/fixed-bit.c: Likewise.
805         * config/fixed-bit.h: Likewise.
806         * config/fp-bit.c: Likewise.
807         * config/fp-bit.h: Likewise.
808         * config/fr30/crti.asm: Likewise.
809         * config/fr30/crtn.asm: Likewise.
810         * config/fr30/lib1funcs.asm: Likewise.
811         * config/freebsd-spec.h: Likewise.
812         * config/frv/cmovd.c: Likewise.
813         * config/frv/cmovh.c: Likewise.
814         * config/frv/cmovw.c: Likewise.
815         * config/frv/frvbegin.c: Likewise.
816         * config/frv/frvend.c: Likewise.
817         * config/frv/lib1funcs.asm: Likewise.
818         * config/glibc-stdint.h: Likewise.
819         * config/h8300/clzhi2.c: Likewise.
820         * config/h8300/crti.asm: Likewise.
821         * config/h8300/crtn.asm: Likewise.
822         * config/h8300/ctzhi2.c: Likewise.
823         * config/h8300/fixunssfsi.c: Likewise.
824         * config/h8300/lib1funcs.asm: Likewise.
825         * config/h8300/parityhi2.c: Likewise.
826         * config/h8300/popcounthi2.c: Likewise.
827         * config/i386/ammintrin.h: Likewise.
828         * config/i386/att.h: Likewise.
829         * config/i386/avxintrin.h: Likewise.
830         * config/i386/biarch64.h: Likewise.
831         * config/i386/bmmintrin.h: Likewise.
832         * config/i386/cpuid.h: Likewise.
833         * config/i386/cross-stdarg.h: Likewise.
834         * config/i386/crtfastmath.c: Likewise.
835         * config/i386/crtprec.c: Likewise.
836         * config/i386/cygming-crtbegin.c: Likewise.
837         * config/i386/cygming-crtend.c: Likewise.
838         * config/i386/cygwin.asm: Likewise.
839         * config/i386/emmintrin.h: Likewise.
840         * config/i386/gmm_malloc.h: Likewise.
841         * config/i386/gthr-win32.c: Likewise.
842         * config/i386/i386.h: Likewise.
843         * config/i386/immintrin.h: Likewise.
844         * config/i386/linux-unwind.h: Likewise.
845         * config/i386/linux64.h: Likewise.
846         * config/i386/mm3dnow.h: Likewise.
847         * config/i386/mmintrin-common.h: Likewise.
848         * config/i386/mmintrin.h: Likewise.
849         * config/i386/nmmintrin.h: Likewise.
850         * config/i386/pmm_malloc.h: Likewise.
851         * config/i386/pmmintrin.h: Likewise.
852         * config/i386/smmintrin.h: Likewise.
853         * config/i386/sol2-c1.asm: Likewise.
854         * config/i386/sol2-ci.asm: Likewise.
855         * config/i386/sol2-cn.asm: Likewise.
856         * config/i386/sol2-gc1.asm: Likewise.
857         * config/i386/tmmintrin.h: Likewise.
858         * config/i386/unix.h: Likewise.
859         * config/i386/w32-unwind.h: Likewise.
860         * config/i386/wmmintrin.h: Likewise.
861         * config/i386/x86-64.h: Likewise.
862         * config/i386/x86intrin.h: Likewise.
863         * config/i386/xmmintrin.h: Likewise.
864         * config/ia64/crtbegin.asm: Likewise.
865         * config/ia64/crtend.asm: Likewise.
866         * config/ia64/crtfastmath.c: Likewise.
867         * config/ia64/crti.asm: Likewise.
868         * config/ia64/crtn.asm: Likewise.
869         * config/ia64/fde-glibc.c: Likewise.
870         * config/ia64/lib1funcs.asm: Likewise.
871         * config/ia64/linux-unwind.h: Likewise.
872         * config/ia64/quadlib.c: Likewise.
873         * config/ia64/unwind-ia64.c: Likewise.
874         * config/linux.h: Likewise.
875         * config/m32c/m32c-lib1.S: Likewise.
876         * config/m32c/m32c-lib2-trapv.c: Likewise.
877         * config/m32c/m32c-lib2.c: Likewise.
878         * config/m32r/initfini.c: Likewise.
879         * config/m68hc11/larith.asm: Likewise.
880         * config/m68hc11/m68hc11-crt0.S: Likewise.
881         * config/m68k/cf.md: Likewise.
882         * config/m68k/crti.s: Likewise.
883         * config/m68k/crtn.s: Likewise.
884         * config/m68k/lb1sf68.asm: Likewise.
885         * config/m68k/linux-unwind.h: Likewise.
886         * config/mcore/crti.asm: Likewise.
887         * config/mcore/crtn.asm: Likewise.
888         * config/mcore/lib1.asm: Likewise.
889         * config/mips/linux-unwind.h: Likewise.
890         * config/mips/loongson.h: Likewise.
891         * config/mips/mips16.S: Likewise.
892         * config/mmix/crti.asm: Likewise.
893         * config/mmix/crtn.asm: Likewise.
894         * config/pa/fptr.c: Likewise.
895         * config/pa/hpux-unwind.h: Likewise.
896         * config/pa/lib2funcs.asm: Likewise.
897         * config/pa/linux-atomic.c: Likewise.
898         * config/pa/linux-unwind.h: Likewise.
899         * config/pa/milli64.S: Likewise.
900         * config/pa/quadlib.c: Likewise.
901         * config/pa/stublib.c: Likewise.
902         * config/picochip/libgccExtras/adddi3.asm: Likewise.
903         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
904         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
905         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
906         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
907         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
908         * config/picochip/libgccExtras/divmod15.asm: Likewise.
909         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
910         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
911         * config/picochip/libgccExtras/longjmp.asm: Likewise.
912         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
913         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
914         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
915         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
916         * config/picochip/libgccExtras/setjmp.asm: Likewise.
917         * config/picochip/libgccExtras/subdi3.asm: Likewise.
918         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
919         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
920         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
921         * config/rs6000/750cl.h: Likewise.
922         * config/rs6000/altivec.h: Likewise.
923         * config/rs6000/biarch64.h: Likewise.
924         * config/rs6000/crtresfpr.asm: Likewise.
925         * config/rs6000/crtresgpr.asm: Likewise.
926         * config/rs6000/crtresxfpr.asm: Likewise.
927         * config/rs6000/crtresxgpr.asm: Likewise.
928         * config/rs6000/crtsavfpr.asm: Likewise.
929         * config/rs6000/crtsavgpr.asm: Likewise.
930         * config/rs6000/darwin-asm.h: Likewise.
931         * config/rs6000/darwin-fallback.c: Likewise.
932         * config/rs6000/darwin-fpsave.asm: Likewise.
933         * config/rs6000/darwin-ldouble.c: Likewise.
934         * config/rs6000/darwin-tramp.asm: Likewise.
935         * config/rs6000/darwin-unwind.h: Likewise.
936         * config/rs6000/darwin-vecsave.asm: Likewise.
937         * config/rs6000/darwin-world.asm: Likewise.
938         * config/rs6000/e500crtres32gpr.asm: Likewise.
939         * config/rs6000/e500crtres64gpr.asm: Likewise.
940         * config/rs6000/e500crtres64gprctr.asm: Likewise.
941         * config/rs6000/e500crtrest32gpr.asm: Likewise.
942         * config/rs6000/e500crtrest64gpr.asm: Likewise.
943         * config/rs6000/e500crtresx32gpr.asm: Likewise.
944         * config/rs6000/e500crtresx64gpr.asm: Likewise.
945         * config/rs6000/e500crtsav32gpr.asm: Likewise.
946         * config/rs6000/e500crtsav64gpr.asm: Likewise.
947         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
948         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
949         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
950         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
951         * config/rs6000/eabi-ci.asm: Likewise.
952         * config/rs6000/eabi-cn.asm: Likewise.
953         * config/rs6000/eabi.asm: Likewise.
954         * config/rs6000/linux-unwind.h: Likewise.
955         * config/rs6000/linux64.h: Likewise.
956         * config/rs6000/paired.h: Likewise.
957         * config/rs6000/paired.md: Likewise.
958         * config/rs6000/ppc64-fp.c: Likewise.
959         * config/rs6000/ppu_intrinsics.h: Likewise.
960         * config/rs6000/rs6000.h: Likewise.
961         * config/rs6000/si2vmx.h: Likewise.
962         * config/rs6000/sol-ci.asm: Likewise.
963         * config/rs6000/sol-cn.asm: Likewise.
964         * config/rs6000/spe.h: Likewise.
965         * config/rs6000/spu2vmx.h: Likewise.
966         * config/rs6000/sysv4.h: Likewise.
967         * config/rs6000/tramp.asm: Likewise.
968         * config/rs6000/vec_types.h: Likewise.
969         * config/s390/linux-unwind.h: Likewise.
970         * config/s390/tpf-unwind.h: Likewise.
971         * config/score/crti.asm: Likewise.
972         * config/score/crtn.asm: Likewise.
973         * config/sh/crt1.asm: Likewise.
974         * config/sh/crti.asm: Likewise.
975         * config/sh/crtn.asm: Likewise.
976         * config/sh/divtab-sh4-300.c: Likewise.
977         * config/sh/divtab-sh4.c: Likewise.
978         * config/sh/divtab.c: Likewise.
979         * config/sh/lib1funcs-4-300.asm: Likewise.
980         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
981         * config/sh/lib1funcs.asm: Likewise.
982         * config/sh/lib1funcs.h: Likewise.
983         * config/sh/linux-atomic.asm: Likewise.
984         * config/sh/linux-unwind.h: Likewise.
985         * config/sh/shmedia.h: Likewise.
986         * config/sh/sshmedia.h: Likewise.
987         * config/sh/ushmedia.h: Likewise.
988         * config/sparc/crtfastmath.c: Likewise.
989         * config/sparc/linux-unwind.h: Likewise.
990         * config/sparc/sol2-c1.asm: Likewise.
991         * config/sparc/sol2-ci.asm: Likewise.
992         * config/sparc/sol2-cn.asm: Likewise.
993         * config/spu/divmodti4.c: Likewise.
994         * config/spu/divv2df3.c: Likewise.
995         * config/spu/float_disf.c: Likewise.
996         * config/spu/float_unsdidf.c: Likewise.
997         * config/spu/float_unsdisf.c: Likewise.
998         * config/spu/float_unssidf.c: Likewise.
999         * config/spu/mfc_multi_tag_release.c: Likewise.
1000         * config/spu/mfc_multi_tag_reserve.c: Likewise.
1001         * config/spu/mfc_tag_release.c: Likewise.
1002         * config/spu/mfc_tag_reserve.c: Likewise.
1003         * config/spu/mfc_tag_table.c: Likewise.
1004         * config/spu/multi3.c: Likewise.
1005         * config/spu/spu_internals.h: Likewise.
1006         * config/spu/spu_intrinsics.h: Likewise.
1007         * config/spu/spu_mfcio.h: Likewise.
1008         * config/spu/vec_types.h: Likewise.
1009         * config/spu/vmx2spu.h: Likewise.
1010         * config/stormy16/stormy16-lib2.c: Likewise.
1011         * config/svr4.h: Likewise.
1012         * config/sync.c: Likewise.
1013         * config/v850/lib1funcs.asm: Likewise.
1014         * config/vxlib-tls.c: Likewise.
1015         * config/vxlib.c: Likewise.
1016         * config/vxworks-dummy.h: Likewise.
1017         * config/xtensa/crti.asm: Likewise.
1018         * config/xtensa/crtn.asm: Likewise.
1019         * config/xtensa/ieee754-df.S: Likewise.
1020         * config/xtensa/ieee754-sf.S: Likewise.
1021         * config/xtensa/lib1funcs.asm: Likewise.
1022         * config/xtensa/lib2funcs.S: Likewise.
1023         * config/xtensa/linux-unwind.h: Likewise.
1024         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1025         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1026         * coretypes.h: Likewise.
1027         * crtstuff.c: Likewise.
1028         * defaults.h: Likewise.
1029         * dwarf2.h: Likewise.
1030         * emutls.c: Likewise.
1031         * gbl-ctors.h: Likewise.
1032         * gcov-io.h: Likewise.
1033         * ginclude/float.h: Likewise.
1034         * ginclude/iso646.h: Likewise.
1035         * ginclude/stdarg.h: Likewise.
1036         * ginclude/stdbool.h: Likewise.
1037         * ginclude/stddef.h: Likewise.
1038         * ginclude/stdfix.h: Likewise.
1039         * ginclude/stdint-gcc.h: Likewise.
1040         * ginclude/tgmath.h: Likewise.
1041         * gthr-aix.h: Likewise.
1042         * gthr-dce.h: Likewise.
1043         * gthr-gnat.c: Likewise.
1044         * gthr-gnat.h: Likewise.
1045         * gthr-lynx.h: Likewise.
1046         * gthr-mipssde.h: Likewise.
1047         * gthr-nks.h: Likewise.
1048         * gthr-posix.c: Likewise.
1049         * gthr-posix.h: Likewise.
1050         * gthr-posix95.h: Likewise.
1051         * gthr-rtems.h: Likewise.
1052         * gthr-single.h: Likewise.
1053         * gthr-solaris.h: Likewise.
1054         * gthr-tpf.h: Likewise.
1055         * gthr-vxworks.h: Likewise.
1056         * gthr-win32.h: Likewise.
1057         * gthr.h: Likewise.
1058         * libgcc2.c: Likewise.
1059         * libgcc2.h: Likewise.
1060         * libgcov.c: Likewise.
1061         * tsystem.h: Likewise.
1062         * typeclass.h: Likewise.
1063         * unwind-c.c: Likewise.
1064         * unwind-compat.h: Likewise.
1065         * unwind-dw2-fde-compat.c: Likewise.
1066         * unwind-dw2-fde-darwin.c: Likewise.
1067         * unwind-dw2-fde-glibc.c: Likewise.
1068         * unwind-dw2-fde.c: Likewise.
1069         * unwind-dw2-fde.h: Likewise.
1070         * unwind-dw2.c: Likewise.
1071         * unwind-dw2.h: Likewise.
1072         * unwind-generic.h: Likewise.
1073         * unwind-pe.h: Likewise.
1074         * unwind-sjlj.c: Likewise.
1075         * unwind.inc: Likewise.
1076         * config/arm/neon-gen.ml: Change generated copyright header to
1077         refer to version 3 of the GNU General Public License with
1078         version 3.1 of the GCC Runtime Library Exception and to point
1079         readers at the COPYING3 and COPYING3.RUNTIME files and the
1080         FSF's license web page.
1081         * config/arm/arm_neon.h: Regenerate.
1082
1083 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
1084
1085         * config/cris/cris.md: Change copyright header to refer to version
1086         3 of the GNU General Public License.
1087         * doc/install.texi2html: Change copyright header to refer to version
1088         3 of the GNU General Public License and to point readers at the
1089         COPYING3 file and the FSF's license web page.
1090         * config/vax/linux.h: Likewise.
1091
1092 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1093
1094         * config/i386/i386.md (cmpcc): New.
1095         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1096         (sync_compare_and_swap_cc*): Delete.
1097
1098         * config/s390/s390.c (s390_compare_emitted): Remove.
1099         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1100         s390_compare_emitted used to be handled.  Assert that modes match.
1101         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1102         refer to sync_compare_and_swap_ccsi.
1103         * config/s390/s390.h (s390_compare_emitted): Remove.
1104         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1105         instead of s390_compare_emitted.
1106         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1107         instead of s390_compare_emitted.
1108         * config/s390/s390.md (cmpcc): New.
1109         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1110         CC_REGNUM, do not pretend it's set.
1111         (sync_compare_and_swap_cc*): Delete.
1112         * config/s390/predicates.md (cc_reg_operand): New.
1113
1114         * expr.c (sync_compare_and_swap_cc): Delete.
1115         * optabs.h (sync_compare_and_swap_cc): Delete.
1116         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1117         is being used with can_compare_p.
1118         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1119         (find_cc_set): New.
1120         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1121         look for a MODE_CC set instead.  Use emit_store_flag.
1122         (expand_compare_and_swap_loop): Likewise, with some additional
1123         complication to avoid a force_reg when useless.  Use
1124         emit_cmp_and_jump_insns.
1125         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1126         * doc/md.texi (sync_compare_and_swap_cc): Merge with
1127         sync_compare_and_swap documentation.
1128
1129 2009-04-09  Jan Hubicka  <jh@suse.cz>
1130
1131         * except.c (find_prev_try): Break out from ....
1132         (duplicate_eh_regions): ... here; properly update prev_try pointers
1133         when duplication part of tree.
1134         (dump_eh_tree): Improve dumping.
1135         (verify_eh_region): New.
1136         (verify_eh_tree): Use it.
1137
1138 2009-04-06  Richard Guenther  <rguenther@suse.de>
1139
1140         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1141         &ARRAY addresses by adjusting their types and prepending
1142         a conversion.
1143         * tree-cfg.c (verify_gimple_assign_single): Verify that
1144         addresses are correct.
1145
1146 2009-04-09  Richard Guenther  <rguenther@suse.de>
1147
1148         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1149         indices into an array reference if possible.
1150         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1151         Fold POINTER_PLUS_EXPR statements with invariant address.
1152
1153 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
1154
1155         PR target/39634
1156         * config.gcc (powerpc64-*-linux*): Always build biarch.
1157
1158 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
1159
1160         PR c/39613
1161         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1162         it and pedwarn if this results in an INTEGER_CST.
1163
1164 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1165
1166         * doc/install.texi: Update minimum GMP version.  Remove obsolete
1167         text in MPFR section.
1168
1169 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1170
1171         * dwarf2out.c (class_scope_p): New static inline.
1172         (class_or_namespace_scope_p): Use it.
1173         (gen_variable_die): Use DW_TAG_member tag for static data member
1174         declarations instead of DW_TAG_variable.
1175
1176         PR middle-end/39573
1177         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1178         variables.
1179
1180 2009-04-08  Richard Guenther  <rguenther@suse.de>
1181
1182         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1183         valueize random data.
1184
1185 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
1186
1187         * config.gcc (aix tm_file):  Add aix-stdint.h.
1188         (aix tm clause use_gcc_stdint):  Set to wrap.
1189         * config/rs6000/aix-stdint.h:  New file.
1190         
1191 2009-04-08  Richard Guenther  <rguenther@suse.de>
1192
1193         PR middle-end/36291
1194         * tree-dfa.c (add_referenced_var): Do not recurse into
1195         global initializers.
1196         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1197         exposed variables.
1198         (fold_const_aggregate_ref): Likewise.
1199
1200 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1201
1202         * recog.c (ordered_comparison_operator): New.
1203         * gensupport.c (std_preds): Add it.
1204         * doc/md.texi (Machine-Independent Predicates): Document it.
1205
1206 2009-04-08  Jan Hubicka  <jh@suse.cz>
1207
1208         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1209         * function.h (rtl_eh): Remove exception_handler_label_map.
1210         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1211         remove_exception_handler_label, for_each_eh_label_1): Remove.
1212         (rtl_remove_unreachable_regions): Remove.
1213         (convert_from_eh_region_ranges): Do not remove unreachable regions.
1214         (find_exception_handler_labels): Don't build the hashtable.
1215         (maybe_remove_eh_handler): Remove.
1216         (for_each_eh_label): Rewrite to walk the tree.
1217         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1218         * except.h (maybe_remove_eh_handler): Remove.
1219         * passes.c (init_optimization_passes): Schedule second EH cleanup
1220         before out-of-ssa.
1221         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1222         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1223
1224 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1225
1226         * genoutput.c (validate_optab_operands): New.
1227         (gen_insn, gen_expand): Call it.
1228
1229         * genflags.c (gen_insn): Detect misused iterators.
1230         (main): Pass line_no to gen_insn, exit with status 1 on error.
1231
1232         * genextract.c (line_no): Make global.
1233         (VEC_safe_set_locstr): Change assertion to error message.
1234         (main): Exit with status 1 on error.
1235
1236 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
1237
1238         PR c/39614
1239         PR c/39673
1240         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1241         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1242         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1243         * c-convert.c (convert): Do not call fold on results of conversion
1244         functions when the result is a C_MAYBE_CONST_EXPR.
1245         * c-parser.c (c_parser_postfix_expression): Do not fold condition
1246         of __builtin_choose_expr.
1247         * c-typeck.c (remove_c_maybe_const_expr): New.
1248         (build_unary_op, build_conditional_expr, build_compound_expr,
1249         build_binary_op, c_objc_common_truthvalue_conversion): Call
1250         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1251         integer operands.
1252
1253 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1254
1255         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
1256         CODE to produce a new one. Add a prototype to use fold_convert_const
1257
1258 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
1259
1260         PR bootstrap/39660
1261         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1262         mix declarations and code.
1263
1264 2009-04-08  Ben Elliston  <bje@au.ibm.com>
1265
1266         * gcc.c: Replace `CC' with `GCC' throughout.
1267
1268 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1269
1270         * doc/invoke.texi: Document Atom support.
1271
1272 2009-04-07  Jason Merrill  <jason@redhat.com>
1273
1274         PR c++/25185
1275         * c-common.h, c-common.c: Add flag_pretty_templates.
1276         * c-opts.c (c_common_handle_option): Set it.
1277         * c.opt: Add -fno-pretty-templates.
1278         * doc/invoke.texi (C++ Dialect Options): Likewise.
1279
1280 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
1281
1282         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1283         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1284         (ia64_expand_builtin): Likewise.
1285
1286 2009-04-07  Martin Jambor  <mjambor@suse.cz>
1287
1288         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1289         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1290         ADDR_EXPRS are include too.
1291
1292 2009-04-07  Richard Guenther  <rguenther@suse.de>
1293
1294         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1295         decls are only used if passes as parameters or if they are
1296         local statics and the call is not to a builtin.
1297         (call_may_clobber_ref_p_1): Likewise.
1298
1299 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1300
1301         * expr.c (do_store_flag): Remove last argument.  Simplify code
1302         to avoid duplication of tests already done by can_compare_p.
1303         (expand_expr_real_1): Adjust caller.
1304
1305 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1306
1307         * optabs.c (can_compare_p): Test the predicate of a
1308         cbranch and cstore pattern.
1309
1310 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1311
1312         * expr.c (convert_move): Use emit_store_flag instead of
1313         "emulating" it.
1314
1315 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1316
1317         * config/i386/i386.c (ix86_compare_emitted): Remove.
1318         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1319         ix86_compare_op0 like ix86_compare_emitted used to be handled.
1320         * config/i386/i386.h (ix86_compare_emitted): Remove.
1321         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1322         instead of ix86_compare_emitted.
1323         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1324
1325 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
1326
1327         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1328         Add t-sysroot-suffix to tmake_file.
1329         * config/print-sysroot-suffix.sh: New file.
1330         * config/t-sysroot-suffix: New file.
1331
1332 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1333
1334         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1335         as the latter produces a warning when the target does not support
1336         infinity.
1337
1338 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1339
1340         * dfp.c: Replace type punning assignments with memcpy throughout.
1341         * Makefile.in (dfp.o-warn): Remove.
1342         
1343 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
1344
1345         PR target/39634
1346         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1347         Include soft-fp/t-softfp after rs6000/t-linux64.
1348
1349 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1350
1351         * stor-layout.c (set_sizetype): Use the full precision of their
1352         machine mode for bitsize types.
1353
1354 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
1355
1356         * config/i386/i386.md: Revert 2 accidental checkins.
1357
1358 2009-04-06  Joey Ye  <joey.ye@intel.com>
1359             Xuepeng Guo <xuepeng.guo@intel.com>
1360             H.J. Lu  <hongjiu.lu@intel.com>
1361
1362         Atom pipeline model, tuning and insn selection.
1363         * config.gcc (atom): Add atom config options and target.
1364
1365         * config/i386/atom.md: New.
1366
1367         * config/i386/i386.c (atom_cost): New cost.
1368         (m_ATOM): New macro flag.
1369         (initial_ix86_tune_features): Set m_ATOM.
1370         (x86_accumulate_outgoing_args): Likewise.
1371         (x86_arch_always_fancy_math_387): Likewise.
1372         (processor_target): Add Atom cost.
1373         (cpu_names): Add Atom cpu name.
1374         (override_options): Set Atom ISA.
1375         (ix86_issue_rate): New case PROCESSOR_ATOM.
1376         (ix86_adjust_cost): Likewise.
1377
1378         * config/i386/i386.h (TARGET_ATOM): New target macro.
1379         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1380         (TARGET_OPT_AGU): New target option.
1381         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1382         (processor_type): Add PROCESSOR_ATOM.
1383
1384         * config/i386/i386.md (cpu): Add new value "atom".
1385         (use_carry, movu): New attr.
1386         (atom.md): Include atom.md.
1387         (adddi3_carry_rex64): Set attr "use_carry".
1388         (addqi3_carry): Likewise.
1389         (addhi3_carry): Likewise.
1390         (addsi3_carry): Likewise.
1391         (*addsi3_carry_zext): Likewise.
1392         (subdi3_carry_rex64): Likewise.
1393         (subqi3_carry): Likewise.
1394         (subhi3_carry): Likewise.
1395         (subsi3_carry): Likewise.
1396         (x86_movdicc_0_m1_rex64): Likewise.
1397         (*x86_movdicc_0_m1_se): Likewise.
1398         (x86_movsicc_0_m1): Likewise.
1399         (*x86_movsicc_0_m1_se): Likewise.
1400         (*adddi_1_rex64): Emit add insn as much as possible.
1401         (*addsi_1): Likewise.
1402         (return_internal): Set atom_unit.
1403         (return_internal_long): Likewise.
1404         (return_pop_internal): Likewise.
1405         (*rcpsf2_sse): Set atom_sse_attr attr.
1406         (*qrt<mode>2_sse): Likewise.
1407         (*prefetch_sse): Likewise.
1408
1409         * config/i386/i386-c.c (ix86_target_macros_internal): New case
1410         PROCESSOR_ATOM.
1411         (ix86_target_macros_internal): Likewise.
1412
1413         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1414         (*prefetch_sse_rex): Likewise.
1415         (sse_rcpv4sf2): Likewise.
1416         (sse_vmrcpv4sf2): Likewise.
1417         (sse_sqrtv4sf2): Likewise.
1418         (<sse>_vmsqrt<mode>2): Likewise.
1419         (sse_ldmxcsr): Likewise.
1420         (sse_stmxcsr): Likewise.
1421         (*sse_sfence): Likewise.
1422         (sse2_clflush): Likewise.
1423         (*sse2_mfence): Likewise.
1424         (*sse2_lfence): Likewise.
1425         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1426         (<sse>_movup<ssemodesuffixf2c>): Likewise.
1427         (avx_movdqu<avxmodesuffix>): Likewise.
1428         (avx_lddqu<avxmodesuffix>): Likewise.
1429         (sse2_movntv2di): Change attr "type" to "ssemov".
1430         (sse2_movntsi): Likewise.
1431         (rsqrtv8sf2): Change attr "type" to "sseadd".
1432         (sse3_addsubv2df3): Set attr "atom_unit".
1433         (sse3_h<plusminus_insn>v4sf3): Likewise.
1434         (*sse2_pmaddwd): Likewise.
1435         (*vec_extractv2di_1_rex64): Likewise.
1436         (*vec_extractv2di_1_avx): Likewise.
1437         (sse2_psadbw): Likewise.
1438         (ssse3_phaddwv8hi3): Likewise.
1439         (ssse3_phaddwv4hi3): Likewise.
1440         (ssse3_phadddv4si3): Likewise.
1441         (ssse3_phadddv2si3): Likewise.
1442         (ssse3_phaddswv8hi3): Likewise.
1443         (ssse3_phaddswv4hi3): Likewise.
1444         (ssse3_phsubwv8hi3): Likewise.
1445         (ssse3_phsubwv4hi3): Likewise.
1446         (ssse3_phsubdv4si3): Likewise.
1447         (ssse3_phsubdv2si3): Likewise.
1448         (ssse3_phsubswv8hi3): Likewise.
1449         (ssse3_phsubswv4hi3): Likewise.
1450         (ssse3_pmaddubsw128): Likewise.
1451         (sse3_pmaddubsw: Likewise.
1452         (ssse3_palignrti): Likewise.
1453         (ssse3_palignrdi): Likewise.
1454
1455 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1456
1457         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1458
1459 2009-04-06  Richard Guenther  <rguenther@suse.de>
1460
1461         PR tree-optimization/28868
1462         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1463         of which PHI results we inserted.
1464         (insert_into_preds_of_block): Record inserted PHIs.
1465         (eliminate): Eliminate redundant PHI nodes.
1466         (init_pre): Init inserted_phi_names.
1467
1468 2009-04-06  Richard Guenther  <rguenther@suse.de>
1469
1470         PR tree-optimization/39643
1471         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1472         IMAGPART_EXPRs of complex constants.
1473         (execute_fold_all_builtins): If we folded a call queue
1474         TODO_update_address_taken.
1475
1476 2009-04-06  Jan Hubicka  <jh@suse.cz>
1477
1478         PR middle-end/39659
1479         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1480         flag.
1481
1482 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1483
1484         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1485         delay slot.
1486         (ic_invalidate_array): Likewise.
1487
1488 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1489
1490         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1491         alignment for library calls.
1492
1493 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1494
1495         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1496         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1497         * config/i386/mingw-stdint.h:  New file.
1498
1499 2009-04-05  Richard Guenther  <rguenther@suse.de>
1500
1501         PR tree-optimization/39648
1502         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1503         our &A vs. &A[0] IL deficiencies.
1504
1505 2009-04-04  Jan Hubicka  <jh@suse.cz>
1506
1507         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1508         removed toplevel regions.
1509         (sjlj_mark_call_sites): Likewise.
1510
1511 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1512
1513         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1514         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1515         * config/i386/cygwin-stdint.h:  New file.
1516
1517 2009-04-04  Richard Guenther  <rguenther@suse.de>
1518
1519         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1520         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1521         single-argument PHIs if we are in loop-closed SSA form.
1522         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1523         for the pre-condition.
1524         (slpeel_tree_peel_loop_to_edge): Likewise.
1525         (vect_build_loop_niters): Take an optional sequence to append stmts.
1526         (vect_generate_tmps_on_preheader): Likewise.
1527         (vect_do_peeling_for_loop_bound): Take extra guards for the
1528         pre-condition.
1529         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1530         the cost model check.
1531         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1532         guards if we are going to peel.  Do not apply versioning in that case.
1533         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1534         (vect_do_peeling_for_loop_bound): Likewise.
1535         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1536         loop bound only record extra pre-conditions, do not apply loop
1537         versioning.
1538
1539 2009-04-04  Richard Guenther  <rguenther@suse.de>
1540
1541         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1542         renaming code.
1543
1544 2009-04-04  Jan Hubicka  <jh@suse.cz>
1545
1546         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1547         last_basic_block for size of bb->index indexed array.
1548         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1549         compute_out, link_btr_uses, build_btr_def_use_webs,
1550         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1551
1552 2009-04-04  Jan Hubicka  <jh@suse.cz>
1553
1554         * except.c (remove_eh_handler_and_replace): Break out from ...
1555         (remove_eh_handler): ... here.
1556         (bring_to_root): New function.
1557         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1558         handled ones, bring others to root of tree.
1559
1560 2009-04-04  Jan Hubicka  <jh@suse.cz>
1561
1562         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1563         (all_phis_safe_to_merge): New function.
1564         (update_info): New structure.
1565         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1566         (cleanup_empty_eh): Update SSA if possible.
1567
1568 2009-04-04  Richard Guenther  <rguenther@suse.de>
1569
1570         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1571         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1572         (append_vuse): Likewise.
1573
1574 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1575
1576         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1577         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1578         instead of REG_UNSAVED for DW_CFA_undefined.
1579         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1580         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1581         outermost frame.
1582
1583 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1584
1585         PR target/39501
1586         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1587         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1588         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1589
1590 2009-04-04  Richard Guenther  <rguenther@suse.de>
1591
1592         PR tree-optimization/8781
1593         PR tree-optimization/37892
1594         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1595         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1596         (valueize_refs): Call it for *& valueizations.
1597         (shared_reference_ops_from_ref): Rename to ...
1598         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1599         (shared_reference_ops_from_call): Rename to ...
1600         (valueize_shared_reference_ops_from_call): ... this and valueize.
1601         (vn_reference_lookup): Update.
1602         (visit_reference_op_call): Likewise.
1603         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1604         (eliminate): Value-replace the call address in call statements.
1605
1606 2009-04-04  Richard Guenther  <rguenther@suse.de>
1607
1608         PR tree-optimization/39636
1609         * tree-ssa-forwprop.c
1610         (forward_propagate_addr_into_variable_array_index): Check for
1611         GIMPLE_ASSIGN before accessing the rhs code.
1612
1613 2009-04-03  Jason Merrill  <jason@redhat.com>
1614
1615         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1616
1617 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1618
1619         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1620         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1621         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1622         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1623         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1624         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1625         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1626         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1627         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1628         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1629         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1630         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1631         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1632         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1633         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1634         Use fr_reg_or_fp01_operand instead of fr_register_operand
1635
1636         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1637         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1638         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1639
1640 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1641
1642         PR rtl-optimization/39607
1643         PR rtl-optimization/39631
1644
1645         Revert:
1646         
1647         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1648         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1649         instead of DF_LR_OUT.
1650         * ira-lives.c (process_bb_node_lives): Ditto.
1651         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1652         instead of DF_LR_{OUT,IN}.
1653         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1654         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1655
1656 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1657
1658         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1659         (execute_lower_omp): Always run but take the short way out if -fopenmp
1660         is not given.
1661         (gate_lower_omp): Remove, forcing the pass manager to always run the
1662         pass and always set PROP_gimple_lomp.
1663         (pass_lower_omp): Remove gate function.
1664         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1665         PROP_trees.  Instead, require it.
1666         * ipa-cp.c (pass_ipa_cp): Likewise.
1667         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1668         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1669         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1670         and PROP_gimple_leh.
1671
1672 2009-04-03  Richard Guenther  <rguenther@suse.de>
1673
1674         PR middle-end/13146
1675         PR tree-optimization/23940
1676         PR tree-optimization/33237
1677         PR middle-end/33974
1678         PR middle-end/34093
1679         PR tree-optimization/36201
1680         PR tree-optimization/36230
1681         PR tree-optimization/38049
1682         PR tree-optimization/38207
1683         PR tree-optimization/38230
1684         PR tree-optimization/38301
1685         PR tree-optimization/38585
1686         PR middle-end/38895
1687         PR tree-optimization/38985
1688         PR tree-optimization/39299
1689         * tree-ssa-structalias.h: Remove.
1690         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1691         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1692         (struct vuse_element_d): Remove.
1693         (struct vuse_vec_d): Likewise.
1694         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1695         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1696         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1697         VUSE_ELEMENT_VAR): Likewise.
1698         (struct voptype_d): Likewise.
1699         (NUM_VOP_FREE_BUCKETS): Likewise.
1700         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1701         (struct stmt_operands_d): Remove.
1702         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1703         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1704         VDEF_NUM, VDEF_VECT): Likewise.
1705         (copy_virtual_operands): Remove.
1706         (operand_build_cmp): Likewise.
1707         (create_ssa_artificial_load_stmt): Likewise.
1708         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1709         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1710         vuse_index and mayuse_index members.  Pack and move done and iter_type
1711         members to the front.
1712         (SSA_OP_VMAYUSE): Remove.
1713         (SSA_OP_VIRTUAL_USES): Adjust.
1714         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1715         (unlink_stmt_vdef): Declare.
1716         (add_to_addressable_set): Remove.
1717         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1718         (vrp_visit_stmt): Likewise.
1719         * doc/tree-ssa.texi (Alias analysis): Update.
1720         * doc/invoke.texi (max-aliased-vops): Remove docs.
1721         (avg-aliased-vops): Likewise.
1722         * tree-into-ssa.c (syms_to_rename): Remove.
1723         (need_to_update_vops_p): Likewise.
1724         (need_to_initialize_update_ssa_p): Rename to ...
1725         (update_ssa_initialized_fn): ... this.  Track function we are
1726         initialized for.
1727         (symbol_marked_for_renaming): Simplify.
1728         (add_new_name_mapping): Do not set need_to_update_vops_p.
1729         (dump_currdefs): Use SYMS_TO_RENAME.
1730         (rewrite_update_stmt): Always walk all uses/defs.
1731         (dump_update_ssa): Adjust.
1732         (init_update_ssa): Take function argument.  Track what we are
1733         initialized for.
1734         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1735         (create_new_def_for): Initialize for cfun, assert we are initialized
1736         for cfun.
1737         (mark_sym_for_renaming): Simplify.
1738         (mark_set_for_renaming): Do not initialize update-ssa.
1739         (need_ssa_update_p): Simplify.  Take function argument.
1740         (name_mappings_registered_p): Assert we ask for the correct function.
1741         (name_registered_for_update_p): Likewise.
1742         (ssa_names_to_replace): Likewise.
1743         (release_ssa_name_after_update_ssa): Likewise.
1744         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
1745         (dump_decl_set): Do not print a newline.
1746         (debug_decl_set): Do it here.
1747         (dump_update_ssa): And here.
1748         * tree-ssa-loop-im.c (move_computations): Adjust.
1749         (movement_possibility): Likewise.
1750         (determine_max_movement): Likewise.
1751         (gather_mem_refs_stmt): Likewise.
1752         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1753         or NAME_MEMORY_TAG.
1754         * tree-complex.c (update_all_vops): Remove.
1755         (expand_complex_move): Adjust.
1756         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1757         Simplify test for memory referencing statement.  Exclude
1758         non-invariant ADDR_EXPRs.
1759         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1760         * tree-loop-distribution.c (generate_memset_zero): Adjust.
1761         (rdg_flag_uses): Likewise.
1762         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1763         related code.
1764         (tree_optimize_tail_calls_1): Also split the
1765         edge from the entry block if we have degenerate PHI nodes in
1766         the first basic block.
1767         * tree.c (init_ttree): Remove memory-tag related code.
1768         (tree_code_size): Likewise.
1769         (tree_node_structure): Likewise.
1770         (build7_stat): Re-write to be build6_stat.
1771         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1772         (SSA_VAR_P): Adjust.
1773         (struct tree_memory_tag): Remove.
1774         (struct tree_memory_partition_tag): Likewise.
1775         (union tree_node): Adjust.
1776         (build7): Re-write to be build6.
1777         * tree-pass.h (pass_reset_cc_flags): Remove.
1778         (TODO_update_address_taken): New flag.
1779         (pass_simple_dse): Remove.
1780         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1781         * params.h (MAX_ALIASED_VOPS): Remove.
1782         (AVG_ALIASED_VOPS): Likewise.
1783         * omp-low.c (expand_omp_taskreg): Update SSA form.
1784         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1785         aliases the lhs in a copy stmt.
1786         * tree-ssa-dse.c (struct address_walk_data): Remove.
1787         (memory_ssa_name_same): Likewise.
1788         (memory_address_same): Likewise.
1789         (get_kill_of_stmt_lhs): Likewise.
1790         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
1791         unused stores.  Look through PHI nodes into post-dominated regions.
1792         (dse_optimize_stmt): Simplify.  Properly remove stores.
1793         (tree_ssa_dse): Compute dominators.
1794         (execute_simple_dse): Remove.
1795         (pass_simple_dse): Likewise.
1796         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1797         gimple_loaded_syms and gimple_stored_syms computation.
1798         * toplev.c (dump_memory_report): Dump alias and pta stats.
1799         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1800         (vn_reference_eq): Likewise.
1801         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1802         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1803         valueize_vuses): Remove.
1804         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
1805         (get_def_ref_stmt_vuse): ... this.
1806         (vn_reference_lookup_2): New function.
1807         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1808         walking equivalent vuses.  Simplify.
1809         (vn_reference_lookup): Likewise.
1810         (vn_reference_insert): Likewise.
1811         (vn_reference_insert_pieces): Likewise.
1812         (visit_reference_op_call): Simplify.
1813         (visit_reference_op_load): Likewise.
1814         (visit_reference_op_store): Likewise.
1815         (init_scc_vn): Remove shared_lookup_vuses initialization.
1816         (free_scc_vn): Remove shared_lookup_vuses freeing.
1817         (sort_vuses, sort_vuses_heap): Remove.
1818         (get_ref_from_reference_ops): Export.
1819         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1820         vector with single vuse pointer.
1821         (vn_reference_lookup_pieces, vn_reference_lookup,
1822         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1823         (shared_vuses_from_stmt): Remove.
1824         (get_ref_from_reference_ops): Declare.
1825         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1826         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1827         memory-tag related code.
1828         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1829         (likely_value): Add comment, skip static-chain of call statements.
1830         (surely_varying_stmt_p): Adjust.
1831         (gimplify_and_update_call_from_tree): Likewise.
1832         (execute_fold_all_builtins): Do not rebuild alias info.
1833         (gimplify_and_update_call_from_tree): Properly update VOPs.
1834         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1835         (copy_ref_info): Remove memory-tag related code.
1836         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1837         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1838         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1839         computation.
1840         * tree-ssa-dom.c (gimple_p): Remove typedef.
1841         (eliminate_redundant_computations): Adjust.
1842         (record_equivalences_from_stmt): Likewise.
1843         (avail_expr_hash): Likewise.
1844         (avail_expr_eq): Likewise.
1845         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1846         (stmt_makes_single_load): Likewise.
1847         (stmt_makes_single_store): Likewise.
1848         * tree-ssa-alias.c: Rewrite completely.
1849         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1850         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1851         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1852         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1853         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1854         Remove public functions.
1855         (pass_reset_cc_flags): Remove.
1856         (pass_build_alias): Move ...
1857         * tree-ssa-structalias.c (pass_build_alias): ... here.
1858         * tree-ssa-alias.c (may_be_aliased): Move ...
1859         * tree-flow-inline.h (may_be_aliased): ... here.
1860         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1861         count_uses_and_derefs): Move ...
1862         * gimple.c: ... here.
1863         * gimple.h (count_uses_and_derefs): Declare.
1864         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1865         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1866         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1867         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1868         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1869         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1870         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1871         New functions.
1872         * tree-dfa.c (refs_may_alias_p): Move ...
1873         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
1874         * tree-ssa-alias.h: New file.
1875         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1876         (statement_sink_location): Likewise.
1877         * opts.c (decode_options): Do not adjust max-aliased-vops or
1878         avg-aliased-vops values.
1879         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1880         (TV_CALL_CLOBBER): Likewise.
1881         (TV_FLOW_SENSITIVE): Likewise.
1882         (TV_FLOW_INSENSITIVE): Likewise.
1883         (TV_MEMORY_PARTITIONING): Likewise.
1884         (TV_ALIAS_STMT_WALK): New timevar.
1885         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1886         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1887         (get_address_description): Remove memory-tag related code.
1888         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1889         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1890         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1891         and immediate uses in statements.  Document.
1892         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1893         (dump_symbols): Remove.
1894         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1895         * alias.c (get_deref_alias_set): New function split out from ...
1896         (get_alias_set): ... here.
1897         * alias.h (get_deref_alias_set): Declare.
1898         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1899         type parameter.  Remove restrict pointer handling.  Create a
1900         ref-all pointer in case type-based alias sets do not conflict.
1901         (vect_analyze_data_refs): Remove SMT related code.
1902         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1903         (vectorizable_load): Likewise.
1904         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1905         (DR_SYMBOL_TAG, DR_VOPS): Remove.
1906         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1907         Ignore vops and SMTs.
1908         (dr_analyze_alias): Likewise..
1909         (free_data_ref): Likewise.
1910         (create_data_ref): Likewise.
1911         (analyze_all_data_dependences): Likewise.
1912         (get_references_in_stmt): Adjust.
1913         * tree-flow-inline.h (gimple_aliases_computed_p,
1914         gimple_addressable_vars, gimple_call_clobbered_vars,
1915         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1916         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1917         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1918         gimple_mem_ref_stats): Remove.
1919         (gimple_vop): New function.
1920         (op_iter_next_use): Remove vuses and mayuses cases.
1921         (op_iter_next_def): Remove vdefs case.
1922         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1923         (clear_and_done_ssa_iter): Do not set removed fields.
1924         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
1925         Assert we are not iterating over vuses or vdefs if not also
1926         iterating over uses or defs.
1927         (op_iter_init_use): Likewise.
1928         (op_iter_init_def): Likewise.
1929         (op_iter_next_vdef): Remove.
1930         (op_iter_next_mustdef): Likewise.
1931         (op_iter_init_vdef): Likewise.
1932         (compare_ssa_operands_equal): Likewise.
1933         (link_use_stmts_after): Handle vuse operand.
1934         (is_call_used): Use is_call_clobbered.
1935         (is_call_clobbered): Global variables are always call clobbered,
1936         query the call-clobbers bitmap.
1937         (mark_call_clobbered): Ignore global variables.
1938         (clear_call_clobbered): Likewise.
1939         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1940         virtual operands sanity check.
1941         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1942         Remove.
1943         (TARGET_MEM_REF): Remove TMR_TAG operand.
1944         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1945         Remove call-clobber related code.
1946         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
1947         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1948         partitions or escape reason.
1949         (get_single_def_stmt, get_single_def_stmt_from_phi,
1950         get_single_def_stmt_with_phi): Remove.
1951         (dump_referenced_vars): Tidy.
1952         (get_ref_base_and_extent): Allow bare decls.
1953         (collect_dfa_stats): Adjust.
1954         * graphite.c (rename_variables_in_stmt): Adjust.
1955         (graphite_copy_stmts_from_block): Likewise.
1956         (translate_clast): Likewise.
1957         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1958         (EXPR_DIES): New.
1959         (translate_vuse_through_block): Use the oracle.
1960         (phi_translate_1): Adjust.
1961         (value_dies_in_block_x): Use the oracle.  Cache the outcome
1962         in EXPR_DIES.
1963         (valid_in_sets): Check if the VUSE for
1964         a REFERENCE is available.
1965         (eliminate): Do not remove stmts during elimination,
1966         instead queue and remove them afterwards.
1967         (do_pre): Do not rebuild alias info.
1968         (pass_pre): Run TODO_rebuild_alias before PRE.
1969         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1970         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1971         (mark_all_v_defs_stmt): Remove.
1972         (mark_all_v_defs_seq): Adjust.
1973         (sra_replace): Likewise.
1974         (scalarize_use): Likewise.
1975         (scalarize_copy): Likewise.
1976         (scalarize_init): Likewise.
1977         (scalarize_ldst): Likewise.
1978         (todoflags): Remove.
1979         (tree_sra): Do not rebuild alias info.
1980         (tree_sra_early): Adjust.
1981         (pass_sra): Run TODO_update_address_taken before SRA.
1982         * tree-predcom.c (set_alias_info): Remove.
1983         (prepare_initializers_chain): Do not call it.
1984         (mark_virtual_ops_for_renaming): Adjust.
1985         (mark_virtual_ops_for_renaming_list): Remove.
1986         (initialize_root_vars): Adjust.
1987         (initialize_root_vars_lm): Likewise.
1988         (prepare_initializers_chain): Likewise.
1989         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1990         (may_propagate_copy_into_stmt): Likewise.
1991         (merge_alias_info): Do nothing for now.
1992         (propagate_tree_value_into_stmt): Adjust.
1993         (stmt_may_generate_copy): Likewise.
1994         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1995         not mark symbols for renaming.
1996         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1997         with the same statement, make sure to update the new pointed-to one.
1998         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1999         call statements, do not mark symbols for renaming.
2000         (mark_operand_necessary): Dump something.
2001         (ref_may_be_aliased): New function.
2002         (mark_aliased_reaching_defs_necessary_1): New helper function.
2003         (mark_aliased_reaching_defs_necessary): Likewise.
2004         (mark_all_reaching_defs_necessary_1): Likewise.
2005         (mark_all_reaching_defs_necessary): Likewise.
2006         (propagate_necessity): Do not process virtual PHIs.  For
2007         non-aliased loads mark all reaching definitions as necessary.
2008         For aliased loads and stores mark the immediate dominating
2009         aliased clobbers as necessary.
2010         (visited): New global static.
2011         (perform_tree_ssa_dce): Free visited bitmap after propagating
2012         necessity.
2013         (remove_dead_phis): Perform simple dead virtual PHI removal.
2014         (remove_dead_stmt): Properly unlink virtual operands when
2015         removing stores.
2016         (eliminate_unnecessary_stmts): Schedule PHI removal after
2017         stmt removal.
2018         * tree-ssa-ter.c (is_replaceable_p): Adjust.
2019         (process_replaceable): Likewise.
2020         (find_replaceable_in_bb): Likewise.
2021         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2022         based on the single gimple vop.
2023         (verify_flow_insensitive_alias_info): Remove.
2024         (verify_flow_sensitive_alias_info): Likewise.
2025         (verify_call_clobbering): Likewise.
2026         (verify_memory_partitions): Likewise.
2027         (verify_alias_info): Likewise.
2028         (verify_ssa): Adjust..
2029         (execute_update_addresses_taken): Export.  Update SSA
2030         manually.  Optimize only when optimizing.  Use a local bitmap.
2031         (pass_update_address_taken): Remove TODO_update_ssa, add
2032         TODO_dump_func.
2033         (pass_update_address_taken): Just use TODO_update_address_taken.
2034         (init_tree_ssa): Do not initialize addressable_vars.
2035         (verify_ssa): Verify new VUSE / VDEF properties.
2036         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2037         Do not call verify_alias_info.
2038         (delete_tree_ssa): Clear the VUSE, VDEF operands.
2039         Do not free the loaded and stored syms bitmaps.  Reset the escaped
2040         and callused solutions.  Do not free addressable_vars.
2041         Remove memory-tag related code.
2042         (warn_uninitialized_var): Aliases are always available.
2043         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2044         * lambda-code.c (can_put_in_inner_loop): Adjust.
2045         (can_put_after_inner_loop): Likewise.
2046         (perfect_nestify): Likewise.
2047         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2048         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2049         (vectorizable_conversion): Do not mark symbols for renaming.
2050         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2051         (expand_call_inline): Unlink the calls virtual operands before
2052         replacing it.
2053         (tree_function_versioning): Do not call update_ssa if we are not
2054         updating clones.  Simplify.
2055         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2056         (propagate_with_phi): Likewise..
2057         * tree-outof-ssa.c (create_temp): Remove memory tag and call
2058         clobber code.  Assert we are not aliased or global.
2059         * tree-flow.h: Include tree-ssa-alias.h
2060         (enum escape_type): Remove.
2061         (struct mem_sym_stats_d): Likewise.
2062         (struct mem_ref_stats_d): Likewise.
2063         (struct gimple_df): Add vop member.  Remove global_var,
2064         call_clobbered_vars, call_used_vars, addressable_vars,
2065         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
2066         escaped and callused members.
2067         (struct ptr_info_def): Remove all members, add points-to solution
2068         member pt.
2069         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2070         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2071         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2072         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2073         (tree-ssa-alias.o): Likewise.
2074         (toplev.o): Add tree-ssa-alias.h
2075         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2076         * gimple.c (gimple_set_bb): Fix off-by-one error.
2077         (is_gimple_reg): Do not handle memory tags.
2078         (gimple_copy): Also copy virtual operands.
2079         Delay updating the statement.  Do not reset loaded and stored syms.
2080         (gimple_set_stored_syms): Remove.
2081         (gimple_set_loaded_syms): Likewise.
2082         (gimple_call_copy_skip_args): Copy the virtual operands
2083         and mark the new statement modified.
2084         * tree-ssa-structalias.c (may_alias_p): Remove.
2085         (set_uids_in_ptset): Take the alias set to prune with as
2086         parameter.  Fold in the alias test of may_alias_p.
2087         (compute_points_to_sets): Compute whether a ptr is dereferenced
2088         in a local sbitmap.
2089         (process_constraint): Deal with &ANYTHING on the lhs, reject all
2090         other ADDRESSOF constraints on the lhs.
2091         (get_constraint_for_component_ref): Assert that we don't get
2092         ADDRESSOF constraints from the base of the reference.
2093         Properly generate UNKNOWN_OFFSET for DEREF if needed.
2094         (struct variable_info): Remove collapsed_to member.
2095         (get_varinfo_fc): Remove.
2096         (new_var_info): Do not set collapsed_to.
2097         (dump_constraint): Do not follow cycles.
2098         (dump_constraint_graph): Likewise.
2099         (build_pred_graph): Likewise.
2100         (build_succ_graph): Likewise.
2101         (rewrite_constraints): Likewise.
2102         (do_simple_structure_copy): Remove.
2103         (do_rhs_deref_structure_copy): Remove.
2104         (do_lhs_deref_structure_copy): Remove.
2105         (collapse_rest_of_var): Remove.
2106         (do_structure_copy): Re-implement.
2107         (pta_stats): New global variable.
2108         (dump_pta_stats): New function.
2109         (struct constraint_expr): Make offset signed.
2110         (UNKNOWN_OFFSET): Define special value.
2111         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2112         (solution_set_expand): New helper function split out from ...
2113         (do_sd_constraint): ... here.
2114         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
2115         (do_ds_constraint): Likewise.
2116         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
2117         and CALLUSED = *CALLUSED.
2118         (set_union_with_increment): Make inc argument signed.
2119         (type_safe): Remove.
2120         (get_constraint_for_ptr_offset): Handle unknown and negative
2121         constant offsets.
2122         (first_vi_for_offset): Handle offsets before start.  Bail
2123         out early for offsets beyond the variable extent.
2124         (first_or_preceding_vi_for_offset): New function.
2125         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2126         Together with ESCAPED = *ESCAPED this properly computes reachability.
2127         (find_what_var_points_to): New function.
2128         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2129         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2130         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2131         pt_solutions_intersect): New functions.
2132         (compute_call_used_vars): Remove.
2133         (compute_may_aliases): New main entry into PTA computation.
2134         * gimple.h (gimple_p): New typedef.
2135         (struct gimple_statement_base): Remove references_memory_p.
2136         (struct gimple_statement_with_memory_ops_base): Remove
2137         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
2138         members.
2139         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2140         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2141         gimple_set_references_memory): Remove.
2142         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2143         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2144         New functions.
2145         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2146         (verify_expr): Allow RESULT_DECL.
2147         (gimple_duplicate_bb): Do not copy virtual operands.
2148         (gimple_duplicate_sese_region): Adjust.
2149         (gimple_duplicate_sese_tail): Likewise.
2150         (mark_virtual_ops_in_region): Remove.
2151         (move_sese_region_to_fn): Do not call it.
2152         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2153         and pass_simple_dse.
2154         (execute_function_todo): Handle TODO_update_address_taken,
2155         call execute_update_addresses_taken for TODO_rebuild_alias.
2156         (execute_todo): Adjust.
2157         (execute_one_pass): Init dump files early.
2158         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2159         call-clobbered.
2160         (create_general_new_stmt): Clear vops.
2161         * tree-ssa-reassoc.c (get_rank): Adjust.
2162         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2163         symbols for renaming.
2164         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2165         (PARAM_AVG_ALIASED_VOPS): Likewise.
2166         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2167         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2168         * tree-ssa-operands.c: Simplify for new virtual operand representation.
2169         (operand_build_cmp, copy_virtual_operands,
2170         create_ssa_artificial_load_stmt, add_to_addressable_set,
2171         gimple_add_to_addresses_taken): Remove public functions.
2172         (unlink_stmt_vdef): New function.
2173
2174 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2175
2176         * config.gcc (powerpc-*-linux*): Merge variants.
2177
2178 2009-04-02  Chao-ying Fu  <fu@mips.com>
2179             James Grosbach <james.grosbach@microchip.com>
2180
2181         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2182         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2183         cop0_sp_offset.
2184         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2185         keep_interrupts_masked_p, use_debug_exception_return_p.
2186         (mips_attribute_table): Add interrupt, use_shadow_register_set,
2187         keep_interrupts_masked, use_debug_exception_return.
2188         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2189         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2190         New functions.
2191         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2192         (mips_print_operand): Process COP0 registers to print $0 .. $31
2193         correctly for GAS to process.
2194         (mips_interrupt_extra_call_saved_reg_p): New function.
2195         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2196         extra registers.
2197         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2198         (mips_compute_frame_info): Add supports for interrupt context that
2199         includes doubleword accumulators and COP0 registers.
2200         (mips_for_each_saved_acc): New function.
2201         (mips_for_each_saved_gpr_and_fpr): Change the function name from
2202         mips_for_each_saved_reg.
2203         (mips_save_reg): Save accumulators.
2204         (mips_kernel_reg_p): A new for_each_rtx callback.
2205         (mips_expand_prologue): Support interrupt handlers.
2206         (mips_restore_reg): Restore accumulators.
2207         (mips_expand_epilogue): Support interrupt handlers.
2208         (mips_can_use_return_insn): Return false for interrupt handlers.
2209         (mips_epilogue_uses): New function.
2210         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2211         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2212         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2213         cop0_move): New instructions.
2214         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2215         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2216         defines.
2217         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2218         New defines.
2219         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2220         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2221         interrupt handlers, we use K0 as the temporary register.
2222         (EPILOGUE_USES): Change to a function call.
2223         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2224         handlers, we use K0 as the temporary register.
2225         
2226         * doc/extend.texi (Function Attributes): Document interrupt,
2227         use_shadow_register_set, keep_interrupts_masked,
2228         use_debug_exception_return for MIPS attributes.
2229
2230 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2231
2232         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2233         Remove a number of t-files from tmake_file.
2234         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2235         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2236         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2237         target_prototype, not TARGET_PROTOTYPE.
2238         (LINK_OS_GNU_SPEC): Define.
2239         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2240         and darwin-ldoubdle.c.
2241
2242 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2243
2244         PR driver/39293
2245         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2246         (cpp_options): Ditto.
2247         (default_compilers): Ditto.
2248         (display_help): Ditto.
2249         (process_command): Ditto.
2250         (do_spec_1): Ditto.
2251         (set_input): Use lbasename instead of duplicate code.
2252         (save_temps_prefix): New static for -save-temps=obj.
2253         (save_temps_length): Ditto.
2254         
2255         * doc/invoke.texi (-save-temps=obj): Document new variant to
2256         -save-temps switch.
2257
2258 2009-04-02  Jeff Law  <law@redhat.com>
2259
2260         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2261         variable.
2262
2263 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2264
2265         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2266         * configure: Regenerated.
2267
2268 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2269
2270         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2271         share the argument list.
2272
2273 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2274
2275         Merge
2276
2277         2009-02-12  Diego Novillo  <dnovillo@google.com>
2278
2279         * varpool.c (debug_varpool): New.
2280         * cgraph.h (debug_varpool): Declare.
2281
2282 2009-04-02  Jan Hubicka  <jh@suse.cz>
2283
2284         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2285         pass.
2286
2287 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2288
2289         * config/i386/i386.c (ix86_abi): Move initialization to ...
2290         (override_options): Here.
2291
2292 2009-04-02  Christian Bruel  <christian.bruel@st.com>
2293
2294         * config/sh/sh.c (sh_dwarf_register_span): New function.
2295         (TARGET_DWARF_REGISTER_SPAN): Define.
2296         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2297         
2298 2009-04-02  Ira Rosen  <irar@il.ibm.com>
2299
2300         PR tree-optimization/39595
2301         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
2302         interleaved loads group is not  greater than the SLP group size.
2303
2304 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2305
2306         * builtins.c (is_builtin_name): New.
2307         (called_as_built_in): Use is_builtin_name.
2308         * tree.h (is_builtin_name): New.
2309         * varasm.c (incorporeal_function_p): Use is_builtin_name
2310
2311 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
2312
2313         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2314
2315 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
2316
2317         PR c++/26693
2318         * c-decl.c (clone_underlying_type): Move this ...
2319         * c-common.c (set_underlying_type): ... here.
2320         Also, make sure the function properly sets TYPE_STUB_DECL() on
2321         the newly created typedef variant type.
2322         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2323         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2324         points.
2325
2326 2009-04-02  Richard Guenther  <rguenther@suse.de>
2327
2328         PR tree-optimization/37221
2329         * tree-flow.h (degenerate_phi_result): Declare.
2330         * tree-ssa-dom.c (degenerate_phi_result): Export.
2331         * tree-scalar-evolution.c (analyze_initial_condition): If
2332         the initial condition is defined by a degenerate PHI node
2333         use the degenerate value.
2334
2335 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
2336
2337         PR rtl-optimization/39588
2338         * combine.c (merge_outer_ops): Do not set the constant when this
2339         is not necessary.
2340         (simplify_shift_const_1): Do not modify it either in this case.
2341
2342 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2343
2344         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2345         tuning is deprecated if -mtune value is set to an Itanium1 variant.
2346
2347 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
2348
2349         PR c/29027
2350         * c-lex.c (interpret_float): Default (no suffix) is double.
2351
2352 2009-04-1  Xinliang David Li  <davidxl@google.com>
2353
2354         * config/i386/i386.c (legitimate_constant_p): Recognize
2355         all one vector constant.
2356
2357 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2358
2359         * gcc/config/vax/vax.c: Add #includes to silence warnings.
2360         Change #include order to silence two warnings.
2361
2362 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2363
2364         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2365         (ASM_SPEC): Pass -k to the assembler for PIC code.
2366
2367 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2368
2369         * gcc/config.gcc: Add vax-*-linux* to the switch.
2370         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2371         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2372
2373 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2374
2375         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2376         Use predicate macros instead of GET_CODE() == foo.
2377         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2378         ashlsi3, rotrsi3, <unnamed>): Likewise.
2379
2380 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2381
2382         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2383         jbbccihi, jbbccisi): Remova trailing whitespace.
2384         * gcc/config/vax/constraints.md: Likewise.
2385         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2386         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2387         * gcc/config/vax/predicates.md: Likewise.
2388         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2389         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2390         * gcc/config/vax/vax.h: Likewise.
2391         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2392
2393 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2394
2395         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2396         (indirectable_address_p, adjacent_operands_p): Add spaces around
2397         braces.
2398         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2399
2400 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2401
2402         * gcc/config/vax/vax.c (legitimate_constant_address_p,
2403         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2404         index_term_p, reg_plus_index_p, legitimate_address_p,
2405         vax_mode_dependent_address_p): Update comments to match functions
2406         modified by the recent int->bool conversion.
2407
2408 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2409
2410         * gcc/config/vax/builtins.md: Update copyright message.
2411         * gcc/config/vax/constraints.md: Likewise.
2412         * gcc/config/vax/netbsd-elf.h: Likewise.
2413         * gcc/config/vax/predicates.md: Likewise.
2414         * gcc/config/vax/vax-protos.h: Likewise.
2415         * gcc/config/vax/vax.c: Likewise.
2416         * gcc/config/vax/vax.h: Likewise.
2417         * gcc/config/vax/vax.md: Likewise.
2418         * gcc/config/vax/vax.opt: Likewise.
2419
2420 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2421
2422         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2423         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2424         * gcc/config/vax/constraints.md (B, R): Likewise.
2425         * gcc/config/vax/predicates.md (external_memory_operand,
2426         nonimmediate_addsub_di_operand): Likewise.
2427         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2428         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2429         untyped_call): Likewise.
2430
2431 2009-04-01  Matt Thomas <matt@3am-software.com>
2432
2433         * config/vax/predicates.md: New file.
2434         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2435         external_const_operand, nonsymbolic_operand, external_memory_operand,
2436         indirect_memory_operand, indexed_memory_operand,
2437         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2438         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2439         predicate.
2440         * config/vax/constraints.md: New file.
2441         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2442         New constraint.
2443         * config/vax/builtins.md: New file.
2444         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2445         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2446         jbbccisi): Define.
2447         * config/vax/vax.opt (mqmath): Add option.
2448         * config/vax/vax.md (isfx): Extend with DI.
2449         (VAXintQH, VAXintQHSD): Define.
2450         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2451         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2452         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2453         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2454         (movdi): Update constraints and use vax_output_int_move().
2455         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2456         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2457         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2458         nonlocal_goto): New.
2459         (mov<mode>): Extend accepted operand types.
2460         (subdi3_old): Rename from subdi3, change update constraints and use
2461         a new implementation.
2462         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2463         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2464         MOVE_RATIO, CLEAR_RATIO): Define.
2465         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2466         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2467         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2468         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2469         (split_quadword_operands): Make static and really allow variable
2470         splitting.
2471         (print_operand_address): Update for PIC generation.
2472         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2473         indexable_address_p, fixup_mathdi_operand,
2474         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2475         (vax_float_literal, legitimate_constant_p,
2476         indirectable_constant_address_p, index_term_p,
2477         reg_plus_index_p): Return bool instead of int.
2478         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2479         where needed.
2480         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2481         generation.
2482         (vax_output_conditional_branch): Indent.
2483         (legitimate_constant_address_p, indirectable_constant_address_p,
2484         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2485         vax_mode_dependent_address_p): Return bool instead of int, update for
2486         PIC generation.
2487         * config/vax/vax-protos.h (legitimate_constant_address_p,
2488         legitimate_constant_p, legitimate_address_p,
2489         vax_mode_dependent_address_p): Change declaration to bool.
2490         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2491         vax_expand_addsub_di_operands, vax_output_int_subtract,
2492         vax_output_movmemsi): Declare.
2493         (split_quadword_operands, vax_float_literal): Delete declaration.
2494         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2495         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2496         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2497         ASM_OUTPUT_DWARF_PCREL): Define.
2498         (ASM_SPEC): Change definition to allow PIC generation.
2499
2500 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2501
2502         * doc/sourcebuild.texi: Update front-end requirements.
2503
2504 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2505
2506         PR target/39226
2507         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2508         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2509         (booldi3_internal3): Use boolean_or_operator instead of
2510         boolean_operator.
2511
2512 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2513
2514         PR c/39605
2515         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2516         declarator whose size is not an integer constant expression but
2517         folds to an integer constant, then treat it as a constant
2518         subsequently.
2519
2520 2009-04-01  Richard Guenther  <rguenther@suse.de>
2521
2522         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2523         i * 4 + 2 to (i * 2 + 1) * 2.
2524
2525 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2526
2527         PR c/37772
2528         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2529         return if c_parser_asm_string_literal returned NULL.
2530
2531 2009-04-01  Nick Clifton  <nickc@redhat.com>
2532
2533         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2534         already defined.
2535         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2536         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2537         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2538         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2539         include it.
2540         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2541         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2542         then include it.
2543
2544 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2545
2546         * varasm.c (default_function_rodata_section): Declare DOT as
2547         const char*.
2548
2549 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2550             Andrey Galkin <agalkin@hypercom.com>
2551
2552         PR/39492
2553         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2554         Make object_name unique for each process.
2555
2556 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2557
2558         PR other/39591
2559         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2560         addressable variables in the parallel that could go out of scope while
2561         running queued tasks.
2562
2563 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2564
2565         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2566         (CASE_VALUES_THRESHOLD): Redefine.
2567         * config/avr/avr.c (avr_override_options): Remove initialization of
2568         avr_case_values_threshold variable.
2569         (avr_case_values_threshold): Remove variable. Add new function.
2570         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2571         * config/avr/avr.opt (mno-tablejump): Remove option.
2572         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2573
2574 2009-04-01  DJ Delorie  <dj@redhat.com>
2575
2576         * varasm.c (default_function_rodata_section): Don't assume
2577         anything about where the first '.' in the section name is.
2578
2579 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2580
2581         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2582         rs6000_emit_stack_tie.
2583
2584 2009-03-31  Ian Lance Taylor  <iant@google.com>
2585
2586         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2587         gimple_code with GIMPLE_RESX, not RESX.
2588
2589 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2590
2591         * c-common.c (c_get_ident): New.
2592         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2593
2594 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2595
2596         * config/rs6000/sysv4.opt (msdata): Improve option description.
2597
2598 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2599
2600         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2601         (divdf3_internal_lat): Remove.
2602         (divxf3_internal_lat): Remove.
2603         (divxf3_internal_thr): Remove.
2604         (divxf): Use divxf3_internal.
2605         * config/ia64/div.md (divsf3_internal_lat): New.
2606         (divdf3_internal_lat): New.
2607         (divxf3_internal): New.
2608
2609 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2610
2611         PR c/448
2612         * Makefile.in (USE_GCC_STDINT): Define.
2613         (stmp-int-hdrs): Install stdint.h if applicable.
2614         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2615         if known.
2616         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2617         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2618         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2619         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2620         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2621         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2622         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2623         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2624         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2625         (c_common_nodes_and_builtins): Initialize
2626         underlying_wchar_type_node.  Do not initialize
2627         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2628         nodes for new types.
2629         (c_stddef_cpp_builtins): Define macros for new types.
2630         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2631         Remove.
2632         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2633         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2634         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2635         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2636         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2637         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2638         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2639         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2640         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2641         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2642         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2643         int16_type_node, int32_type_node, int64_type_node,
2644         uint8_type_node, uint16_type_node, c_uint32_type_node,
2645         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2646         int_least32_type_node, int_least64_type_node,
2647         uint_least8_type_node, uint_least16_type_node,
2648         uint_least32_type_node, uint_least64_type_node,
2649         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2650         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2651         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2652         uintptr_type_node): Define.
2653         * c-cppbuiltin.c (builtin_define_constants,
2654         builtin_define_type_minmax): New.
2655         (builtin_define_stdint_macros): Define more macros.
2656         (c_cpp_builtins): Define more limit macros.
2657         (type_suffix): New.
2658         (builtin_define_type_max): Define in terms of
2659         builtin_define_type_minmax.  Remove is_long parameter.  All
2660         callers changed.
2661         * config.gcc (use_gcc_stdint): Define.
2662         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2663         Add newlib-stdint.h for generic targets.
2664         * config/glibc-stdint.h, config/newlib-stdint.h,
2665         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2666         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2667         * config/score/score.h (UINTPTR_TYPE): Define.
2668         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2669         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2670         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2671         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2672         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2673         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2674         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2675         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2676         * config/spu/spu.h (STDINT_LONG32): Define.
2677         * configure.ac (use_gcc_stdint): Substitute.
2678         * configure: Regenerate.
2679         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2680         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2681         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2682         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2683         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2684         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2685         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2686         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2687         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2688         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2689         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2690         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2691         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2692         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2693         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2694         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2695         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2696         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2697         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2698         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2699         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2700         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2701         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2702         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2703         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2704         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2705         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2706         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2707         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2708
2709 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2710
2711         * loop-iv.c (suitable_set_for_replacement): Renamed from
2712         simplify_using_assignment; changed to return bool and to accept new
2713         args DEST and SRC.  Return true iff we find a source/destination pair
2714         that can be used to make a replacement, and fill SRC and DEST if so.
2715         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2716         changed.
2717         (simplify_using_initial_values): Deal with altered regs here and track
2718         more precisely the effect they have on the validity of our expression.
2719
2720         * loop-iv.c (simplify_using_condition): A condition of the form
2721         (EQ REG CONST) can be used to simply make a substitution.
2722         (simplify_using_initial_values): Keep track of conditions we have seen
2723         and keep using them to simplify new expressions, while applying the
2724         same substitutions to them as to the expression.
2725
2726         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2727         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2728         GEU/LTU reversed.
2729
2730         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
2731         changed.  Use this when trying to improve the upper bound.
2732         Generate the comparison by using simplify_gen_relational.
2733
2734         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2735
2736         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2737         functions.
2738         (simplify_using_assignment, simplify_using_initial_values): Call 
2739         replace_in_expr to make replacements.  Call replace_single_def_regs
2740         once on the initial version of the expression.
2741
2742 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2743
2744         PR target/27237
2745         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2746         
2747 2009-03-31  Richard Guenther  <rguenther@suse.de>
2748
2749         PR middle-end/31029
2750         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2751         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
2752
2753 2009-03-31  Richard Guenther  <rguenther@suse.de>
2754
2755         * tree.h (div_if_zero_remainder): Declare.
2756         * fold-const.c (div_if_zero_remainder): Export.
2757         * tree-ssa-forwprop.c
2758         (forward_propagate_addr_into_variable_array_index): Handle
2759         constant array index addition outside of the variable index.
2760
2761 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2762
2763         PR target/39592
2764         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2765         define_splits, floatunssi<mode>2): Require x87 conversions from
2766         DImode to be permitted.
2767
2768 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2769
2770         PR preprocessor/15638
2771         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2772
2773 2009-03-31  Richard Guenther  <rguenther@suse.de>
2774
2775         PR middle-end/23401
2776         PR middle-end/27810
2777         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2778         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2779         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2780         a separate statement.
2781         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2782         (lookup_tmp_var): Likewise.
2783         (is_gimple_formal_tmp_or_call_rhs): Remove.
2784         (is_gimple_reg_or_call_rhs): Rename to ...
2785         (is_gimple_reg_rhs_or_call): ... this.
2786         (is_gimple_mem_or_call_rhs): Rename to ...
2787         (is_gimple_mem_rhs_or_call): ... this.
2788         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
2789         DECL_GIMPLE_REG_P only if is_formal is true.
2790         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
2791         for non-proper post-modify expression gimplification.
2792         (gimplify_self_mod_expr): For post-modify expressions gimplify
2793         the lvalue to a minimal lvalue.
2794         (rhs_predicate_for): Remove formal temp case.
2795         (gimplify_modify_expr_rhs): Likewise.
2796         (gimplify_addr_expr): Use is_gimple_reg.
2797         (gimplify_expr): Remove formal temp cases.
2798         (gimple_regimplify_operands): Likewise.
2799         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2800         and FILTER_EXPR like constants.
2801         * gimple.c (walk_gimple_op): Fix val_only initialization, use
2802         is_gimple_reg.
2803         (is_gimple_formal_tmp_rhs): Remove.
2804         (is_gimple_reg_rhs): Remove special casing.
2805         (is_gimple_mem_rhs): Fix.
2806         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2807         (is_gimple_formal_tmp_var): Remove.
2808         (is_gimple_formal_tmp_reg): Likewise.
2809         (is_gimple_min_lval): Allow invariant component ref parts.
2810         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2811         is_gimple_formal_tmp_reg): Remove declarations.
2812         * tree-cfg.c (verify_expr): Verify that variables with address
2813         taken do not have DECL_GIMPLE_REG_P set.
2814         * tree-mudflap.c (mf_build_check_statement_for): Use
2815         force_gimple_operand instead of gimplify_expr.
2816
2817 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
2818
2819         * modulo-sched.c (sms_schedule_by_order): Pass the actual
2820         schedulable rows to compute_split_row.
2821
2822 2009-03-31  Ben Elliston  <bje@au.ibm.com>
2823
2824         PR target/31635
2825         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2826         OPT_mvrsave.
2827
2828 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2829
2830         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2831         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2832         * configure: Regenerate.
2833         * config.in: Regenerate.
2834         * config/rs6000/rs6000.opt (mtls-markers): Add.
2835         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2836         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2837         (tls_ld_aix, tls_ld_sysv): Likewise.
2838         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2839         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2840
2841 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2842
2843         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2844
2845 2009-03-30  Jan Hubicka  <jh@suse.cz>
2846
2847         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2848         out of RESX.
2849         (tree_remove_unreachable_handlers): Cleanup EH predecestor
2850         detection and label handling.
2851
2852 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2853
2854         * ira-int.h (ira_allocno): Rename left_conflicts_num to
2855         left_conflicts_size.
2856         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2857         ALLOCNO_LEFT_CONFLICTS_SIZE.
2858
2859         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2860         remove_allocno_from_bucket_and_push,
2861         allocno_spill_priority_compare, push_allocnos_to_stack,
2862         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2863         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2864         (setup_allocno_left_conflicts_num): Ditto.  Rename to
2865         setup_allocno_left_conflicts_size.
2866         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2867         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2868         setup_allocno_left_conflicts_size instead of
2869         setup_allocno_left_conflicts_num.
2870
2871         * ira-build.c (ira_create_allocno): Use
2872         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2873         ALLOCNO_LEFT_CONFLICTS_NUM.
2874                 
2875 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2876
2877         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2878         instead of DF_LR_OUT.
2879
2880         * ira-lives.c (process_bb_node_lives): Ditto.
2881
2882         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2883         instead of DF_LR_{OUT,IN}.
2884
2885         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2886
2887         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2888
2889 2009-03-30  Jan Hubicka  <jh@suse.cz>
2890
2891         * except.c (label_to_region_map): Fix thinko.
2892
2893 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
2894
2895         PR middle-end/38237
2896         * tree.h (tree_find_value): New declaration.
2897         * tree.c (tree_find_value): New function.
2898         * varasm.c (assemble_external): Avoid duplicate entries on lists.
2899
2900 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
2901
2902         PR debug/39563
2903         * c-decl.c (struct c_binding): Add locus field.
2904         (bind): Add locus argument, set locus field from it.
2905         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2906         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2907         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2908         implicitly_declare, undeclared_variable, lookup_label,
2909         declare_label, c_make_fname_decl, c_builtin_function,
2910         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2911         bind callers.
2912
2913 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
2914
2915         PR target/38781
2916         * config/i386/i386.c (classify_argument): Check total size of
2917         structure.
2918
2919 2009-03-30  Martin Jambor  <mjambor@suse.cz>
2920
2921         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2922         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2923         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2924         respectively.
2925
2926         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2927         seen_variable_array_ref while also traversing a union.
2928
2929         * tree-inline.c (optimize_inline_calls): Do not call
2930         cgraph_node_remove_callees.
2931         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2932         (pass_remove_cgraph_callee_edges): New variable.
2933         * passes.c (init_optimization_passes): Add
2934         pass_remove_cgraph_callee_edges after early inlining and before all
2935         late intraprocedural passes.
2936
2937         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2938
2939 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2940
2941         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2942         Fix typos in names.
2943
2944 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2945
2946         * combine.c (simplify_comparison): Use have_insn_for.
2947         * dojump.c (do_jump): Likewise.
2948
2949 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2950
2951         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2952         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2953         sparc_compare_op0 like sparc_compare_emitted used to be handled.
2954         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2955         instead of sparc_compare_emitted.
2956         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2957         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2958         instead of sparc_compare_emitted.
2959
2960 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2961
2962         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2963         enter/exit cfglayout mode.
2964         (pass_partition_block): Require it.
2965         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2966         (combine_instructions): Track basic blocks instead of labels.
2967         (update_cfg_for_uncondjump): New.
2968         (try_combine): Use it.  Update jumps after rescanning.
2969         (pass_combine): Require PROP_cfglayout.
2970         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2971
2972 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2973
2974         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2975         Provide/destroy PROP_cfglayout respectively.
2976         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2977         * tree-pass.h (PROP_cfglayout): New.
2978
2979 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2980
2981         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2982         fold_convert_const_fixed_from_fixed,
2983         fold_convert_const_fixed_from_int,
2984         fold_convert_const_fixed_from_real, fold_negate_const): Do not
2985         set TREE_CONSTANT_OVERFLOW.
2986         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2987         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2988
2989 2009-03-30  Ira Rosen  <irar@il.ibm.com>
2990
2991         * tree-vect-loop-manip.c: New file.
2992         * tree-vectorizer.c: Update documentation and included files.
2993         (vect_loop_location): Make extern.
2994         (rename_use_op): Move to tree-vect-loop-manip.c
2995         (rename_variables_in_bb, rename_variables_in_loop, 
2996         slpeel_update_phis_for_duplicate_loop, 
2997         slpeel_update_phi_nodes_for_guard1,
2998         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2999         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3000         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3001         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
3002         find_loop_location): Likewise.
3003         (new_stmt_vec_info): Move to tree-vect-stmts.c.
3004         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3005         get_vectype_for_scalar_type, vect_is_simple_use,
3006         supportable_widening_operation, supportable_narrowing_operation):
3007         Likewise.
3008         (bb_in_loop_p): Move to tree-vect-loop.c.
3009         (new_loop_vec_info, destroy_loop_vec_info, 
3010         reduction_code_for_scalar_code, report_vect_op, 
3011         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3012         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3013         (vect_supportable_dr_alignment): Likewise.
3014         * tree-vectorizer.h (tree-data-ref.h): Include.
3015         (vect_loop_location): Declare.
3016         Reorganize function declarations according to the new file structure.
3017         * tree-vect-loop.c: New file.
3018         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
3019         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3020         * tree-vect-data-refs.c: New file.
3021         * tree-vect-patterns.c (timevar.h): Don't include.
3022         * tree-vect-stmts.c: New file.
3023         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
3024         tree-vect-slp.c, tree-vect-loop.c.
3025         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
3026         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
3027         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3028         (tree-vect-analyze.o): Remove.
3029         (tree-vect-transform.o): Likewise.
3030         (tree-vect-data-refs.o): Add rule.
3031         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
3032         tree-vect-slp.o): Likewise.
3033         (tree-vect-patterns.o): Remove redundant dependencies.
3034         (tree-vectorizer.o): Likewise.
3035         * tree-vect-slp.c: New file.
3036
3037 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3038
3039         * optc-gen.awk: Warn if an option flag has multiple different
3040         help strings.
3041
3042 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3043
3044         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3045         -floop-block): Document dependences on PPL, CLooG and Graphite.
3046
3047 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3048
3049         PR rtl-optimization/323
3050         * c-common.c (c_fully_fold, convert_and_check,
3051         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3052         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3053         * c-common.def (EXCESS_PRECISION_EXPR): New.
3054         * c-cppbuiltin.c (builtin_define_float_constants): Define
3055         constants with enough digits for long double.
3056         * c-lex.c (interpret_float): Interpret constant with excess
3057         precision where appropriate.
3058         * c-opts.c (c_common_post_options): Set
3059         flag_excess_precision_cmdline.  Give an error for
3060         -fexcess-precision=standard for C++ for processors where the
3061         option is significant.
3062         * c-parser.c (c_parser_conditional_expression): Handle excess
3063         precision in condition.
3064         * c-typeck.c (convert_arguments): Handle arguments with excess
3065         precision.
3066         (build_unary_op): Move excess precision outside operation.
3067         (build_conditional_expr): Likewise.
3068         (build_compound_expr): Likewise.
3069         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3070         (build_modify_expr): Handle excess precision in RHS.
3071         (convert_for_assignment): Handle excess precision in converted
3072         value.
3073         (digest_init, output_init_element, process_init_element): Handle
3074         excess precision in initializer.
3075         (c_finish_return): Handle excess precision in return value.
3076         (build_binary_op): Handle excess precision in operands and add
3077         excess precision as needed for operation.
3078         * common.opt (-fexcess-precision=): New option.
3079         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3080         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3081         For standard excess precision, output explicit conversion to and
3082         truncation from XFmode.
3083         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3084         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3085         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3086         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3087         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3088         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3089         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3090         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3091         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3092         define_splits, sqrt<mode>2): Disable where appropriate for
3093         standard excess precision.
3094         * convert.c (convert_to_real): Do not shorten arithmetic to type
3095         for which excess precision would be used.
3096         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3097         * doc/invoke.texi (-fexcess-precision=): Document option.
3098         (-mfpmath=): Correct index entry.
3099         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3100         flag_excess_precision): New.
3101         * langhooks.c (lhd_post_options): Set
3102         flag_excess_precision_cmdline.
3103         * opts.c (common_handle_option): Handle -fexcess-precision=.
3104         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3105         init_excess_precision): New.
3106         (lang_dependent_init_target): Call init_excess_precision.
3107         * tree.c (excess_precision_type): New.
3108         * tree.h (excess_precision_type): Declare.
3109
3110 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3111
3112         PR c/35235
3113         * c-typeck.c (build_component_ref): Do not copy qualifiers from
3114         non-lvalue to component.
3115
3116 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3117
3118         PR preprocessor/34695
3119         * Makefile.in (c-opts.o): Depend on c-tree.h.
3120         * c-common.c: Move down include of diagnostic.h.
3121         (done_lexing, c_cpp_error): New.
3122         * c-common.h (done_lexing): Declare.
3123         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3124         (parse_in).
3125         * c-opts.c: Include c-tree.h.
3126         (c_common_init_options): Set preprocessor error callback.
3127         (c_common_handle_option): Do not set preprocessor
3128         inhibit_warnings, warnings_are_errors, warn_system_headers,
3129         pedantic_errors or inhibit_warnings flags.
3130         (c_common_post_options): Do not check cpp_errors (parse_in).
3131         (c_common_finish): Do not output dependencies if there were
3132         errors.  Do not check return value of cpp_finish.
3133         * c-ppoutput.c (pp_file_change): Set input_location.
3134         * c-tree.h (c_cpp_error): Declare.
3135         * diagnostic.c (diagnostic_set_info_translated): Also initialize
3136         override_column.
3137         (diagnostic_build_prefix): Check override_column.
3138         * diagnostic.h (diagnostic_info): Add override_column field.
3139         (diagnostic_override_column): Define.
3140
3141 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
3142
3143         * c-common.c (c_expand_expr, c_staticp): Remove.
3144         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3145         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3146         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3147         * c-gimplify.c (gimplify_compound_literal_expr,
3148         optimize_compound_literals_in_ctor): Remove.
3149         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3150         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3151         * c-semantics.c (emit_local_var): Remove.
3152
3153         * langhooks-def.h (lhd_expand_expr): Remove.
3154         * langhooks.c (lhd_expand_expr): Remove.
3155         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3156
3157         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3158         handling from c-semantics.c; don't call into langhook.
3159         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3160         * gimplify.c (gimplify_compound_literal_expr,
3161         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3162         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3163         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3164         as was done in c-gimplify.c.
3165         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3166         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3167         Move from c-common.h.
3168         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3169
3170         * tree.c (staticp): Do not call langhook.
3171         * langhooks.c (lhd_staticp): Delete.
3172         * langhooks-def.h (lhd_staticp): Delete prototype.
3173         (LANG_HOOKS_STATICP): Delete.
3174         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3175
3176         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3177         instead of DECL_STMTs.
3178
3179 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3180
3181         PR c/456
3182         PR c/5675
3183         PR c/19976
3184         PR c/29116
3185         PR c/31871
3186         PR c/35198
3187         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3188         void_type_node.
3189         (fold_call_expr): Return a NOP_EXPR from folding rather than the
3190         contained expression.
3191         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3192         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
3193         conditional expressions for C.
3194         (decl_constant_value_for_optimization): Move from
3195         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
3196         whether optimizing and that the expression is a VAR_DECL not of
3197         array type instead of doing such checks in the caller.  Do not
3198         check pedantic.  Call gcc_unreachable for C++.
3199         * c-common.def (C_MAYBE_CONST_EXPR): New.
3200         * c-common.h (c_fully_fold, c_save_expr,
3201         decl_constant_value_for_optimization): New prototypes.
3202         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3203         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3204         EXPR_INT_CONST_OPERANDS): Define.
3205         * c-convert.c (convert): Strip nops from expression.
3206         * c-decl.c (groktypename): Take extra parameters expr and
3207         expr_const_operands.  Update call to grokdeclarator.
3208         (start_decl): Update call to grokdeclarator.  Add statement for
3209         expressions used in type of decl.
3210         (grokparm): Update call to grokdeclarator.
3211         (push_parm_decl): Update call to grokdeclarator.
3212         (build_compound_literal): Add parameter non_const and build a
3213         C_MAYBE_COSNT_EXPR if applicable.
3214         (grokdeclarator): Take extra parameters expr and
3215         expr_const_operands.  Track expressions used in declaration
3216         specifiers and declarators.  Fold array sizes and track whether
3217         they are constant expressions and whether they are integer
3218         constant expressions.
3219         (parser_xref_tag): Set expr and expr_const_operands fields in
3220         return value.
3221         (grokfield): Update call to grokdeclarator.
3222         (start_function): Update call to grokdeclarator.
3223         (build_null_declspecs): Set expr and expr_const_operands fields in
3224         return value.
3225         (declspecs_add_type): Handle expressions in typeof specifiers.
3226         * c-parser.c (c_parser_declspecs): Set expr and
3227         expr_const_operands fields for declaration specifiers.
3228         (c_parser_enum_specifier): Likewise.
3229         (c_parser_struct_or_union_specifier): Likewise.
3230         (c_parser_typeof_specifier): Likewise.  Update call to
3231         groktypename.  Fold expression as needed.  Return expressions with
3232         type instead of adding statements.
3233         (c_parser_attributes): Update calls to c_parser_expr_list.
3234         (c_parser_statement_after_labels): Fold expression before passing
3235         to objc_build_throw_stmt.
3236         (c_parser_condition): Fold expression.
3237         (c_parser_asm_operands): Fold expression.
3238         (c_parser_conditional_expression): Use c_save_expr.  Update call
3239         to build_conditional_expr.
3240         (c_parser_alignof_expression): Update call to groktypename.
3241         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3242         original_code.  Fold expression argument of va_arg.  Create
3243         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3244         argument to va_arg.  Update calls to groktypename.  Fold array
3245         index for offsetof.  Verify that first argument to
3246         __builtin_choose_expr has integer type.
3247         (c_parser_postfix_expression_after_paren_type): Update calls to
3248         groktypename and build_compound_literal.  Handle expressions with
3249         side effects in type name.
3250         (c_parser_postfix_expression_after_primary): Update call to
3251         c_parser_expr_list.  Set original_code for calls to
3252         __builtin_constant_p.
3253         (c_parser_expr_list): Take extra parameter fold_p.  Fold
3254         expressions if requested.
3255         (c_parser_objc_type_name): Update call to groktypename.
3256         (c_parser_objc_synchronized_statement): Fold expression.
3257         (c_parser_objc_receiver): Fold expression.
3258         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3259         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3260         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3261         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3262         (struct c_typespec): Add elements expr and expr_const_operands.
3263         (struct c_declspecs): Add elements expr and expr_const_operands.
3264         (groktypename, build_conditional_expr, build_compound_literal):
3265         Update prototypes.
3266         (in_late_binary_op): Declare.
3267         * c-typeck.c (note_integer_operands): New function.
3268         (in_late_binary_op): New variable.
3269         (decl_constant_value_for_broken_optimization): Move to c-common.c
3270         and rename to decl_constant_value_for_optimization.
3271         (default_function_array_conversion): Do not strip nops.
3272         (default_conversion): Do not call
3273         decl_constant_value_for_broken_optimization.
3274         (build_array_ref): Do not fold result.
3275         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
3276         result when operand is a VLA.
3277         (c_expr_sizeof_type): Update call to groktypename.  Handle
3278         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
3279         result when operand names a VLA type.
3280         (build_function_call): Update call to build_compound_literal.
3281         Only fold result for calls to __builtin_* functions.  Strip
3282         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
3283         the function designator.
3284         (convert_arguments): Fold arguments.  Update call to
3285         convert_for_assignment.
3286         (build_unary_op): Handle increment and decrement of
3287         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
3288         decrement earlier.  Fold operand of increment and decrement.
3289         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
3290         built for integer operand.  Wrap returns that are INTEGER_CSTs
3291         without being integer constant expressions or that have integer
3292         constant operands without being INTEGER_CSTs.
3293         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3294         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
3295         result is an integer constant expression or can be used in
3296         unevaluated parts of one and avoid folding and wrap as
3297         appropriate.  Fold operands before possibly doing -Wsign-compare
3298         warnings.
3299         (build_compound_expr): Wrap result for C99 if operands can be used
3300         in integer constant expressions.
3301         (build_c_cast): Update call to digest_init.  Do not ignore
3302         overflow from casting floating-point constants to integers.  Wrap
3303         results that could be confused with integer constant expressions,
3304         null pointer constants or floating-point constants.
3305         (c_cast_expr): Update call to groktypename.  Handle expressions
3306         included in type name.
3307         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
3308         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
3309         Update calls to convert_for_assignment.
3310         (convert_for_assignment): Take new parameter
3311         null_pointer_constant.  Do not strip nops or call
3312         decl_constant_value_for_broken_optimization.  Set
3313         in_late_binary_op for conversions to boolean.
3314         (store_init_value): Update call to digest_init.
3315         (digest_init): Take new parameter null_pointer_constant.  Do not
3316         call decl_constant_value_for_broken_optimization.  pedwarn for
3317         initializers not constant expressions.  Update calls to
3318         convert_for_assignment.
3319         (constructor_nonconst): New.
3320         (struct constructor_stack): Add nonconst element.
3321         (really_start_incremental_init, push_init_level, pop_init_level):
3322         Handle constructor_nonconst and nonconst element.
3323         (set_init_index): Call constant_expression_warning for array
3324         designators.
3325         (output_init_element): Fold value.  Set constructor_nonconst as
3326         applicable.  pedwarn for initializers not constant expressions.
3327         Update call to digest_init.  Call constant_expression_warning
3328         where constant initializers are required.
3329         (process_init_element): Use c_save_expr.
3330         (c_finish_goto_ptr): Fold expression.
3331         (c_finish_return): Fold return value.  Update call to
3332         convert_for_assignment.
3333         (c_start_case): Fold switch expression.
3334         (c_process_expr_stmt): Fold expression.
3335         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3336         ensure statement expression is not evaluated in constant expression.
3337         (build_binary_op): Track whether results are integer constant
3338         expressions or may occur in such, disable folding and wrap results
3339         as applicable.  Fold operands for -Wsign-compare warnings unless
3340         in_late_binary_op.
3341         (c_objc_common_truthvalue_conversion): Handle results folded to
3342         integer constants that are not integer constant expressions.
3343         * doc/extend.texi: Document when typeof operands are evaluated,
3344         that condition of __builtin_choose_expr is an integer constant
3345         expression, and more about use of __builtin_constant_p in
3346         initializers.
3347
3348 2009-03-29  Richard Guenther  <rguenther@suse.de>
3349
3350         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3351         propagate addresses of array references.
3352
3353 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3354
3355         * regmove.c (perhaps_ends_bb_p): Remove.
3356         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
3357         from INSN and check that the main loop stays within that basic block.
3358         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3359         (regmove_forward_pass): Split out from regmove_optimize.  Use
3360         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3361         (regmove_backward_pass): Split out from regmove_optimize.  Use
3362         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3363         (regmove_optimize): Simplify.
3364
3365 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3366
3367         PR target/39545
3368         * config/i386/i386.c (classify_argument): Ignore flexible array
3369         member in struct and warn ABI change.
3370
3371 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3372
3373         * config/i386/i386-protos.h (ix86_agi_dependent): New.
3374
3375         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3376         (ix86_adjust_cost): Updated.
3377
3378 2009-03-29  Jan Hubicka  <jh@suse.cz>
3379
3380         PR middle-end/28850
3381         * tree-pass.h (pass_cleanup_eh): New function.
3382         (remove_unreachable_regions): Break code handling RTL
3383         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3384         that can not be reached by runtime.
3385         (can_be_reached_by_runtime): New function.
3386         (label_to_region_map): New function.
3387         (num_eh_regions): New function.
3388         (rtl_remove_unreachable_regions): New function.
3389         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3390         (remove_eh_region): New function.
3391         * except.h: Include sbitmap and vecprim.
3392         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3393         num_eh_regions): Declare.
3394         * passes.c (init_optimization_passes): Schedule cleanup_eh.
3395         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3396         * tree-eh.c (tree_remove_unreachable_handlers): New function.
3397         (tree_empty_eh_handler_p): New function.
3398         (cleanup_empty_eh): New function.
3399         (cleanup_eh): New function.
3400         (pass_cleanup_eh): New function.
3401
3402 2009-03-29  Jan Hubicka  <jh@suse.cz>
3403
3404         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3405         for removed regions.
3406
3407 2009-03-29  Jan Hubicka  <jh@suse.cz>
3408
3409         * except.c (dump_eh_tree): Dump all datastructures.
3410
3411 2009-03-29  Jan Hubicka  <jh@suse.cz>
3412
3413         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3414         (duplicate_eh_regions_1): Likewise.
3415         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3416         vector; call EH verification.
3417         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3418         Be ready for region being removed.
3419
3420 2009-03-29  Jan Hubicka  <jh@suse.cz>
3421
3422         * bitmap.c (bitmap_last_set_bit): New function.
3423         * bitmap.h (bitmap_last_set_bit): Declare.
3424
3425 2009-03-29  David Ayers  <ayers@fsfe.org>
3426
3427         PR objc/27377
3428         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3429         by calling objc_compare_types and surpress warnings about
3430         incompatible C pointers that are compatible ObjC pointers.
3431         
3432 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
3433
3434         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3435         call initialize_inline_failed.
3436         (initialize_inline_failed): Move it from here ...
3437         * cgraph.c (initialize_inline_failed): ... to here.
3438         (cgraph_create_edge): Call initialize_inline_failed rather than
3439         setting inline_failed directly.
3440
3441 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3442
3443         PR target/32542
3444         * sysv4.opt (msdata): Improve comment.
3445         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3446         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3447
3448 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3449
3450         PR target/30451
3451         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3452         load and store attributes.
3453
3454 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3455
3456         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3457         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3458         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3459         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3460         __builtin_infq and __builtin_huge_valq.
3461
3462 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3463
3464         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3465         atmega8m1 devices.
3466         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3467         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3468
3469 2009-03-28  Xinliang David Li  <davidxl@google.com>
3470
3471         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
3472         (do_dbg_cnt): New function.
3473
3474 2009-03-28  Jan Hubicka  <jh@suse.cz>
3475
3476         Merge from pretty-ipa:
3477
3478         2009-03-27  Jan Hubicka  <jh@suse.cz>
3479
3480         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3481         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3482         * passes.c (function_called_by_processed_nodes_p): New.
3483         * ipa-pure-const.c (check_call): Fix handling of operands.
3484         (analyze_function): Dump debug output for skipped bodies.
3485         (local_pure_const): Use function_called_by_processed_nodes_p.
3486         * dwarf2out.c (reference_to_unused): Use output.
3487         * passes.c (do_per_function_toporder): Likewise.
3488
3489         2008-11-12  Jan Hubicka  <jh@suse.cz>
3490
3491         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3492         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3493         state_set_in_source enum
3494         (check_decl): Ignore memory tags; do not set fake looping flags;
3495         dump diagnostics.
3496         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3497         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3498         (check_call, analyze_function): Rewrite.
3499         (check_stmt): New.
3500         (add_new_function): Update call of analyze_function.
3501         (generate_summary): Add call of analyze_function.
3502         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3503         (local_pure_const): New function.
3504         (pass_local_pure_const): New pass.
3505         * ipa-inline.c (inline_transform): Set after_inlining.
3506         * tree-eh.c (stmt_can_throw_external): New.
3507         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3508         work with aliasing built.
3509         * tree-flow.h (stmt_can_throw_external): New.
3510         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3511         and local pure/const pass in early and late optimization queue.
3512
3513 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3514
3515         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3516         allow_func_align.
3517         (fold_binary): Allow function decl aligment consideration is the
3518         second argument is integer constant one.
3519         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3520         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3521         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3522
3523 2009-03-28  Jan Hubicka  <jh@suse.cz>
3524
3525         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3526         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3527         * function.h (rtl_data): Add nothrow flag.
3528         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3529         set DECL_NOTHROW for AVAILABLE functions.
3530
3531 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3532
3533         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3534         following vector keyword has expansion starting with pixel or bool
3535         keyword, expand vector to __vector and pixel or bool to __pixel or
3536         __bool.
3537
3538         PR c++/39554
3539         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3540         warn_if_disallowed_function_p): Removed.
3541         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3542         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3543         warning_if_disallowed_function_p.
3544         * flags.h (warn_if_disallowed_function_p,
3545         warn_disallowed_functions): Removed.
3546         * common.opt (Wdisallowed-function-list=): Removed.
3547         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3548
3549 2009-03-28  Richard Guenther  <rguenther@suse.de>
3550
3551         PR tree-optimization/38723
3552         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3553         the entry block.
3554
3555 2009-03-28  Jan Hubicka  <jh@suse.cz>
3556
3557         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3558         test introduced by my previous patch.
3559
3560 2009-03-28  Richard Guenther  <rguenther@suse.de>
3561
3562         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3563         the PHIs value undefined.
3564
3565 2009-03-28  Jan Hubicka  <jh@suse.cz>
3566
3567         * tree-pass.h (pass_fixup_cfg): New pass.
3568         * ipa-inline.c (inline_transform): Set
3569         always_inline_functions_inlined/after_inlining.
3570         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3571         (pass_fixup_cfg): New pass.
3572         * passes.c (init_optimization_passes): Add fixup_cfg.
3573
3574 2009-03-28  Richard Guenther  <rguenther@suse.de>
3575
3576         PR tree-optimization/38458
3577         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3578         argument use the arguments copy-of value.
3579
3580 2009-03-28  Richard Guenther  <rguenther@suse.de>
3581
3582         PR tree-optimization/38180
3583         * tree-ssa-ccp.c (get_default_value): Simplify.
3584         (likely_value): Likewise.
3585         (surely_varying_stmt_p): Properly handle VOP case.
3586         (ccp_initialize): Likewise.
3587         (ccp_fold): Handle propagating through *&.
3588         (fold_const_aggregate_ref): Also handle decls.
3589
3590 2009-03-28  Jan Hubicka  <jh@suse.cz>
3591
3592         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3593         * cgraph.h (cgraph_node): Likewise.
3594         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3595         (cgraph_reset_node): Use process flag.
3596         (cgraph_mark_functions_to_output): Likewise.
3597         (cgraph_expand_function): Likewise.
3598         (cgraph_expand_all_functions): Likewise.
3599         (cgraph_output_in_order): Likewise.
3600         * dwarf2out.c (reference_to_unused): Likewise.
3601         * passes.c do_per_function_toporder): Likewise.
3602
3603 2009-03-28  Jan Hubicka  <jh@suse.cz>
3604
3605         Bring from lto-branch:
3606
3607         2008-09-03  Doug Kwan  <dougkwan@google.com>
3608
3609         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3610         enums instead of reason strings.
3611         * cgraph.c (cgraph_create_edge): Same.
3612         (cgraph_inline_failed_string): New function.
3613         * cgraph.h (cgraph_inline_failed_t): New enum type.
3614         (cgraph_inline_failed_string): New prototype.
3615         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3616         char pointer to cgraph_inline_failed_t.
3617         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3618         (cgraph_default_inline_p): Ditto.
3619         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3620         to cgraph_inline_failed_t pointer.
3621         * cif-code.def: New file.
3622         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3623         reason string.
3624         (cgraph_check_inline_limits): Change type of REASON to pointer to
3625         cgraph_inline_failed_t.  Replace reason strings with enums.
3626         (cgraph_default_inline_p): Ditto.
3627         (cgraph_recursive_inlining_p): Ditto.
3628         (update_caller_keys): Change type of FAILED_REASON to
3629         cgraph_inline_failed_t.
3630         (cgraph_set_inline_failed): Change type of REASON to pointer to
3631         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3632         convert enums to strings for text output.
3633         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3634         to be of type cgraph_inline_failed_t.  Replace reason strings with
3635         enums.  Call cgraph_inline_failed_string to covert enums
3636         to strings for text output.
3637         (cgraph_decide_inlining): Replace reason strings with enums.
3638         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3639         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3640         for text output.
3641         * tree-inline.c (expand_call_inline): Change type of REASON
3642         to cgraph_inline_failed_t.  Replace reason strings with enums.
3643         Call cgraph_inline_failed_string for text output.
3644         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3645         (cgraph.o): Ditto.
3646
3647 2009-03-28  Jan Hubicka  <jh@suse.cz>
3648
3649         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3650         cgraph_clone_node): Remove master clone handling.
3651         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3652         * cgraph.h (master_clone): Remove.
3653         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3654         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3655         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3656
3657 2009-03-28  Jan Hubicka  <jh@suse.cz>
3658
3659         * cgraph.c (cgraph_function_body_availability): Functions declared
3660         inline are always safe to assume that it is not going to be replaced.
3661
3662 2009-03-28  Richard Guenther  <rguenther@suse.de>
3663
3664         PR tree-optimization/38513
3665         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3666         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3667         EXC_PTR_EXPR and FILTER_EXPR.
3668         (get_ref_from_reference_ops): Likewise.
3669
3670 2009-03-28  Richard Guenther  <rguenther@suse.de>
3671
3672         PR tree-optimization/38968
3673         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3674         Use FLOOR_MOD_EXPR to compute misalignment.
3675
3676 2009-03-28  Richard Guenther  <rguenther@suse.de>
3677
3678         PR tree-optimization/37795
3679         * tree.h (combine_comparisons): Declare.
3680         * fold-const.c (combine_comparisons): Export.
3681         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3682         comparisons.
3683         (ifcombine_iforif): Use combine_comparisons.
3684
3685 2009-03-28  Jan Hubicka  <jh@suse.cz>
3686
3687         * tree-eh.c (inlinable_call_p): New function.
3688         (make_eh_edges): Use it.
3689         (verify_eh_edges): Use it.
3690         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3691         * except.c (reachable_next_level): Add inlinable_function argument
3692         (sjlj_find_directly_reachable_regions): Update.
3693         (add_reachable_handler): Do not set saw_any_handlers.
3694         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3695         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3696         Add new inlinable call parameter.
3697         (can_throw_internal, can_throw_external): Update.
3698         * except.h (can_throw_internal_1, can_throw_external_1,
3699         foreach_reachable_handler): Update declaration.
3700
3701 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3702
3703         * config/arm/t-arm-coff, config/h8300/coff.h,
3704         config/i386/i386-aout.h, config/i386/i386-coff.h,
3705         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3706         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3707         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3708         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3709         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3710         sys-types.h: Remove.
3711         * Makefile.in: Remove protoize and fixproto support and references
3712         in comments.
3713         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3714         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3715         Remove.
3716         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3717         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3718         unprotoize$(exeext).
3719         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3720         (.PHONY): Don't depend on proto.
3721         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3722         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3723         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3724         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3725         build/gen-protos.o, build/scan.o, xsys-protos.h,
3726         build/fix-header$(build_exeext), build/fix-header.o,
3727         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3728         stmp-install-fixproto): Remove.
3729         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3730         SYSCALLS.c or fixproto files.
3731         (install-common): Don't install protoize.
3732         (install-headers-tar, install-headers-cpio, install-headers-cp):
3733         Don't depend on $(STMP_FIXPROTO).
3734         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
3735         install fixproto files or write out fixproto settings.
3736         (uninstall): Don't uninstall protoize.
3737         * config.gcc (use_fixproto): Remove.
3738         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3739         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3740         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3741         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3742         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3743         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3744         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3745         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3746         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3747         * config/t-vxworks (STMP_FIXPROTO): Remove.
3748         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3749         STMP_FIXPROTO): Remove.
3750         * config.in, configure: Regenerate.
3751         * crtstuff.c (gid_t, uid_t): Don't undefine.
3752         * doc/install.texi: Change m68k-coff to m68k-elf in example.
3753         (arm-*-coff, arm-*-aout: Remove target entries.
3754         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3755         Remove mention of AIX 4.1.
3756         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3757         * doc/invoke.texi (Running Protoize): Remove.
3758         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3759         (Protoize Caveats): Remove.
3760         * tsystem.h: Update comments on headers assumed to exist.
3761
3762 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
3763
3764         * genautomata.c: Add a new year to the copyright.  Add a new
3765         reference.
3766         (struct insn_reserv_decl): Add comments for member bypass_list.
3767         (find_bypass): Remove.
3768         (insert_bypass): New.
3769         (process_decls): Use insert_bypass.
3770         (output_internal_insn_latency_func): Output all bypasses with the
3771         same input insn in one switch case.
3772
3773         * rtl.def (define_bypass): Describe bypass choice.
3774         * doc/md.texi (define_bypass): Ditto.
3775
3776 2009-03-27  Richard Guenther  <rguenther@suse.de>
3777
3778         * gimplify.c (mark_addressable): Export.
3779         * tree-flow.h (mark_addressable): Declare.
3780         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3781         * tree-ssa.c (verify_phi_args): Verify that address taken
3782         variables have TREE_ADDRESSABLE set.
3783
3784 2009-03-27  Richard Guenther  <rguenther@suse.de>
3785
3786         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3787         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
3788         Do not mark decls TREE_ADDRESSABLE.
3789         (build_fold_addr_expr): Adjust.
3790         (fold_addr_expr): Remove.
3791         (fold_unary): Use build_fold_addr_expr.
3792         (fold_comparison): Likewise.
3793         (split_address_to_core_and_offset): Likewise.
3794         * coverage.c (tree_coverage_counter_addr): Mark the array decl
3795         TREE_ADDRESSABLE.
3796         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3797         (gimplify_modify_expr_to_memcpy): Mark source and destination
3798         addressable.
3799         * omp-low.c (create_omp_child_function): Mark the object decl
3800         TREE_ADDRESSABLE.
3801         (lower_rec_input_clauses): Mark the var we take the address of
3802         TREE_ADDRESSABLE.
3803         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3804
3805 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3806
3807         PR middle-end/39315
3808         * cfgexpand.c (expand_one_stack_var_at): Change alignment
3809         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3810
3811 2009-03-27  Richard Guenther  <rguenther@suse.de>
3812
3813         PR tree-optimization/39120
3814         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3815         constraints.
3816         (handle_lhs_call): Process return constraints.  Add escape
3817         constraints if necessary.
3818         (handle_const_call): Fill out return constraints.  Make nested
3819         case more precise.  Avoid consttmp if possible.
3820         (handle_pure_call): Fill out return constraints.  Avoid
3821         callused if possible.
3822         (find_func_aliases): Simplify call handling.
3823
3824 2009-03-27  Richard Guenther  <rguenther@suse.de>
3825
3826         PR tree-optimization/39120
3827         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3828         as a representative.
3829         (solve_graph): Do propagate CALLUSED.
3830         (handle_pure_call): Use a scalar constraint from CALLUSED for
3831         the return value.
3832         (find_what_p_points_to): CALLUSED shall not appear in poins-to
3833         solutions.
3834
3835 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3836
3837         PR c/39323
3838         * c-common.c (handle_aligned_attribute): Properly check alignment
3839         overflow.  Use (1U << i) instead of (1 << i).
3840
3841         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3842
3843         * expr.h (get_mem_align_offset): Updated.
3844
3845         * tree.h (tree_decl_common): Change align to "unsigned int" and
3846         move it before pointer_alias_set.
3847
3848 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3849             Jakub Jelinek  <jakub@redhat.com>
3850
3851         PR target/38034
3852         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3853         gr_register_operand with gr_reg_or_0_operand.
3854         (cmpxchg_rel_di): Likewise.
3855         (sync_lock_test_and_set<mode>): Likewise.
3856
3857 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3858
3859         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3860         (true_regnum): Likewise.
3861
3862         * rtlanal.c (subreg_info): Moved to ...
3863         * rtl.h (subreg_info): Here.  New.
3864         (subreg_get_info): New.
3865
3866         * rtlanal.c (subreg_get_info): Make it extern.
3867
3868 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3869
3870         PR target/39472
3871         * config/i386/i386.c (ix86_abi): New.
3872         (override_options): Handle -mabi=.
3873         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3874         (ix86_call_abi_override): Likewise.
3875         (init_cumulative_args): Likewise.
3876         (function_arg_advance): Likewise.
3877         (function_arg_64): Likewise.
3878         (function_arg): Likewise.
3879         (ix86_pass_by_reference): Likewise.
3880         (ix86_function_value_regno_p): Likewise.
3881         (ix86_build_builtin_va_list_abi): Likewise.
3882         (setup_incoming_varargs_64): Likewise.
3883         (is_va_list_char_pointer): Likewise.
3884         (ix86_init_machine_status): Likewise.
3885         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3886         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
3887         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
3888         (ix86_function_abi): Make it static and return enum calling_abi.
3889         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
3890         with ix86_abi.
3891         (ix86_fn_abi_va_list): Updated.
3892
3893         * config/i386/i386.h (ix86_abi): New.
3894         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3895         (CONDITIONAL_REGISTER_USAGE): Likewise.
3896         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3897         (machine_function): Likewise.
3898
3899         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3900         with ix86_abi.
3901         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3902         (STACK_BOUNDARY): Likewise.
3903         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3904
3905         * config/i386/i386.opt (mabi=): New.
3906
3907         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3908         return enum calling_abi.
3909         (ix86_function_type_abi): Likewise.
3910         (ix86_function_abi): Removed.
3911
3912         * doc/invoke.texi: Document -mabi= option for x86.
3913
3914 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3915
3916         * builtins.c (real_dconstp): Delete.
3917         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3918
3919 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
3920             Jakub Jelinek  <jakub@redhat.com>
3921
3922         PR debug/37959
3923         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3924         (gen_subprogram_die): When a function is explicit, generate the
3925         DW_AT_explicit attribute.
3926         * langhooks.h (struct lang_hooks_for_decls): Add
3927         function_decl_explicit_p langhook.
3928         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3929         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3930
3931 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
3932
3933         * builtins.c (fold_builtin_memory_op): Optimize memmove
3934         into memcpy if we can prove source and destination don't overlap.
3935
3936         * tree-inline.c: Include gt-tree-inline.h.
3937         (clone_fn_id_num): New variable.
3938         (clone_function_name): New function.
3939         (tree_function_versioning): Use it.
3940         * Makefile.in (GTFILES): Add tree-inline.c.
3941